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/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:45:51,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:45:51,136 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:45:51,148 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:45:51,148 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:45:51,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:45:51,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:45:51,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:45:51,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:45:51,155 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:45:51,156 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:45:51,156 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:45:51,157 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:45:51,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:45:51,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:45:51,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:45:51,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:45:51,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:45:51,165 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:45:51,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:45:51,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:45:51,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:45:51,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:45:51,171 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:45:51,172 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:45:51,173 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:45:51,173 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:45:51,174 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:45:51,175 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:45:51,176 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:45:51,176 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:45:51,177 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 13:45:51,177 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 13:45:51,177 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 13:45:51,178 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 13:45:51,179 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 13:45:51,179 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 13:45:51,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:45:51,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:45:51,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:45:51,207 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:45:51,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:45:51,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:45:51,207 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:45:51,208 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:45:51,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:45:51,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:45:51,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:45:51,278 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:45:51,279 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:45:51,280 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-07-23 13:45:51,280 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-07-23 13:45:51,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:45:51,356 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:45:51,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:45:51,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:45:51,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:45:51,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:45:51,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:45:51,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:45:51,417 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:45:51,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/1) ... [2018-07-23 13:45:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:45:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:45:51,691 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:45:51,692 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:45:51 BoogieIcfgContainer [2018-07-23 13:45:51,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:45:51,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:45:51,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:45:51,698 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:45:51,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:51" (1/2) ... [2018-07-23 13:45:51,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b0812f and model type fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:45:51, skipping insertion in model container [2018-07-23 13:45:51,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:45:51" (2/2) ... [2018-07-23 13:45:51,702 INFO L112 eAbstractionObserver]: Analyzing ICFG fragtest_simple.i_4.bpl [2018-07-23 13:45:51,712 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:45:51,720 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:45:51,768 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:45:51,769 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:45:51,769 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:45:51,770 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:45:51,770 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:45:51,770 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:45:51,770 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:45:51,770 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:45:51,771 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:45:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-23 13:45:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:45:51,795 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:51,796 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-23 13:45:51,797 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:51,802 INFO L82 PathProgramCache]: Analyzing trace with hash 889599113, now seen corresponding path program 1 times [2018-07-23 13:45:51,809 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:51,892 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 13:45:51,895 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:45:51,895 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:45:51,897 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:51,898 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 13:45:51,898 INFO L185 omatonBuilderFactory]: Interpolants [11#true, 12#false, 13#(<= 0 ULTIMATE.start_main_~k~5), 14#(= ULTIMATE.start___VERIFIER_assert_~cond 1)] [2018-07-23 13:45:51,898 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 13:45:51,899 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:45:51,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:45:51,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:45:51,919 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2018-07-23 13:45:51,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:51,975 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2018-07-23 13:45:51,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:45:51,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:45:51,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:51,988 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:45:51,989 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:45:51,992 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:45:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:45:52,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-07-23 13:45:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:45:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-23 13:45:52,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-07-23 13:45:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,030 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-23 13:45:52,031 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:45:52,031 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-23 13:45:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:45:52,032 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,032 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-23 13:45:52,032 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,033 INFO L82 PathProgramCache]: Analyzing trace with hash 206308035, now seen corresponding path program 1 times [2018-07-23 13:45:52,033 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,064 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:45:52,065 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:45:52,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,065 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 13:45:52,065 INFO L185 omatonBuilderFactory]: Interpolants [64#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 61#true, 62#false, 63#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:45:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,070 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:45:52,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:45:52,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:45:52,073 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 4 states. [2018-07-23 13:45:52,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,116 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2018-07-23 13:45:52,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:45:52,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-07-23 13:45:52,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,120 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:45:52,120 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:45:52,121 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:45:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:45:52,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:45:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:45:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2018-07-23 13:45:52,125 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2018-07-23 13:45:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,126 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2018-07-23 13:45:52,126 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:45:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-07-23 13:45:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:45:52,126 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,127 INFO L357 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2018-07-23 13:45:52,127 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1531170369, now seen corresponding path program 1 times [2018-07-23 13:45:52,127 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,180 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,180 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:45:52,180 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,181 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 13:45:52,181 INFO L185 omatonBuilderFactory]: Interpolants [128#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 123#true, 124#false, 125#(<= 0 ULTIMATE.start_main_~k~5), 126#(<= 1 ULTIMATE.start_main_~k~5), 127#(and (<= 1 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)))] [2018-07-23 13:45:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,182 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:45:52,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:45:52,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:45:52,183 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 6 states. [2018-07-23 13:45:52,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,236 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-07-23 13:45:52,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:45:52,236 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-23 13:45:52,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,237 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:45:52,237 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:45:52,238 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:45:52,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:45:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:45:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:45:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-07-23 13:45:52,243 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2018-07-23 13:45:52,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,244 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-07-23 13:45:52,245 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:45:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-07-23 13:45:52,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:45:52,245 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,246 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1] [2018-07-23 13:45:52,246 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1719110265, now seen corresponding path program 2 times [2018-07-23 13:45:52,246 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,324 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,324 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:45:52,324 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,325 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 13:45:52,325 INFO L185 omatonBuilderFactory]: Interpolants [192#(<= ULTIMATE.start_main_~i~5 1), 193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 194#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 189#true, 190#false, 191#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:45:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,326 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:45:52,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:45:52,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:45:52,328 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 6 states. [2018-07-23 13:45:52,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,381 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-07-23 13:45:52,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:45:52,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-07-23 13:45:52,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,382 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:45:52,382 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:45:52,383 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:45:52,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:45:52,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:45:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:45:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-07-23 13:45:52,389 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2018-07-23 13:45:52,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,390 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-07-23 13:45:52,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:45:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-07-23 13:45:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:45:52,391 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,391 INFO L357 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2018-07-23 13:45:52,391 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,391 INFO L82 PathProgramCache]: Analyzing trace with hash -587211915, now seen corresponding path program 3 times [2018-07-23 13:45:52,392 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,464 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,464 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:45:52,464 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,465 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 13:45:52,465 INFO L185 omatonBuilderFactory]: Interpolants [273#true, 274#false, 275#(<= 0 ULTIMATE.start_main_~k~5), 276#(<= 1 ULTIMATE.start_main_~k~5), 277#(<= 2 ULTIMATE.start_main_~k~5), 278#(and (<= 2 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 279#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:45:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,466 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:45:52,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:45:52,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:45:52,467 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 7 states. [2018-07-23 13:45:52,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,513 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-07-23 13:45:52,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:45:52,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-07-23 13:45:52,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,514 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:45:52,515 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:45:52,515 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:45:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:45:52,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:45:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:45:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-07-23 13:45:52,523 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-07-23 13:45:52,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,524 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-07-23 13:45:52,524 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:45:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-07-23 13:45:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:45:52,526 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,526 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1] [2018-07-23 13:45:52,526 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1669882193, now seen corresponding path program 4 times [2018-07-23 13:45:52,527 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,604 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,605 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:45:52,605 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,605 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 13:45:52,606 INFO L185 omatonBuilderFactory]: Interpolants [358#true, 359#false, 360#(<= ULTIMATE.start_main_~i~5 0), 361#(<= ULTIMATE.start_main_~i~5 1), 362#(<= ULTIMATE.start_main_~i~5 2), 363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 365#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:45:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,613 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:45:52,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:45:52,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:45:52,615 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 8 states. [2018-07-23 13:45:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,681 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2018-07-23 13:45:52,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:45:52,682 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-07-23 13:45:52,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,687 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:45:52,688 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:45:52,688 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:45:52,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:45:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:45:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:45:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-07-23 13:45:52,701 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2018-07-23 13:45:52,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,702 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-07-23 13:45:52,702 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:45:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-07-23 13:45:52,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:45:52,703 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,703 INFO L357 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1] [2018-07-23 13:45:52,703 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,704 INFO L82 PathProgramCache]: Analyzing trace with hash 70717867, now seen corresponding path program 5 times [2018-07-23 13:45:52,704 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,777 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,777 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:45:52,777 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,778 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 13:45:52,778 INFO L185 omatonBuilderFactory]: Interpolants [466#true, 467#false, 468#(<= ULTIMATE.start_main_~i~5 0), 469#(<= ULTIMATE.start_main_~i~5 1), 470#(<= ULTIMATE.start_main_~i~5 2), 471#(<= ULTIMATE.start_main_~i~5 3), 472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:45:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,779 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:45:52,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:45:52,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:45:52,780 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 9 states. [2018-07-23 13:45:52,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,811 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-07-23 13:45:52,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:45:52,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-07-23 13:45:52,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,812 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:45:52,812 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:45:52,813 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:45:52,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:45:52,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:45:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:45:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-07-23 13:45:52,826 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 18 [2018-07-23 13:45:52,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,826 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-07-23 13:45:52,826 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:45:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-07-23 13:45:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:45:52,827 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,828 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 1, 1, 1, 1] [2018-07-23 13:45:52,828 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2045097383, now seen corresponding path program 6 times [2018-07-23 13:45:52,830 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,890 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,890 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:45:52,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,891 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 13:45:52,891 INFO L185 omatonBuilderFactory]: Interpolants [592#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 4 ULTIMATE.start_main_~k~5)), 593#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 585#true, 586#false, 587#(<= 0 ULTIMATE.start_main_~k~5), 588#(<= 1 ULTIMATE.start_main_~k~5), 589#(<= 2 ULTIMATE.start_main_~k~5), 590#(<= 3 ULTIMATE.start_main_~k~5), 591#(<= 4 ULTIMATE.start_main_~k~5)] [2018-07-23 13:45:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,892 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:45:52,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:45:52,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:45:52,893 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 9 states. [2018-07-23 13:45:52,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,948 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-07-23 13:45:52,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:45:52,948 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-07-23 13:45:52,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,951 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:45:52,951 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:45:52,952 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:45:52,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:45:52,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:45:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:45:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-07-23 13:45:52,966 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 20 [2018-07-23 13:45:52,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,967 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-07-23 13:45:52,967 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:45:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-07-23 13:45:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:45:52,968 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,968 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 1, 1, 1, 1] [2018-07-23 13:45:52,968 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,969 INFO L82 PathProgramCache]: Analyzing trace with hash 37022875, now seen corresponding path program 7 times [2018-07-23 13:45:52,969 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,035 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,035 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:45:53,035 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,035 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 13:45:53,036 INFO L185 omatonBuilderFactory]: Interpolants [708#true, 709#false, 710#(<= ULTIMATE.start_main_~i~5 0), 711#(<= ULTIMATE.start_main_~i~5 1), 712#(<= ULTIMATE.start_main_~i~5 2), 713#(<= ULTIMATE.start_main_~i~5 3), 714#(<= ULTIMATE.start_main_~i~5 4), 715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 719#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:45:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,037 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:45:53,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:45:53,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:45:53,043 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 12 states. [2018-07-23 13:45:53,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,085 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-07-23 13:45:53,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:45:53,086 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-07-23 13:45:53,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,087 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:45:53,087 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:45:53,088 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:45:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:45:53,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:45:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:45:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-07-23 13:45:53,098 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2018-07-23 13:45:53,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,098 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-07-23 13:45:53,099 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:45:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-07-23 13:45:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:45:53,100 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,100 INFO L357 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1] [2018-07-23 13:45:53,101 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1480612969, now seen corresponding path program 8 times [2018-07-23 13:45:53,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,154 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,154 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:45:53,155 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,155 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 13:45:53,156 INFO L185 omatonBuilderFactory]: Interpolants [864#true, 865#false, 866#(<= ULTIMATE.start_main_~i~5 0), 867#(<= ULTIMATE.start_main_~i~5 1), 868#(<= ULTIMATE.start_main_~i~5 2), 869#(<= ULTIMATE.start_main_~i~5 3), 870#(<= ULTIMATE.start_main_~i~5 4), 871#(<= ULTIMATE.start_main_~i~5 5), 872#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 873#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:45:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,156 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:45:53,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:45:53,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:45:53,158 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 13 states. [2018-07-23 13:45:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,200 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-07-23 13:45:53,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:45:53,200 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2018-07-23 13:45:53,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,201 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:45:53,201 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:45:53,202 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:45:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:45:53,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:45:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:45:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-07-23 13:45:53,209 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 26 [2018-07-23 13:45:53,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,210 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-07-23 13:45:53,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:45:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-07-23 13:45:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:45:53,212 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,213 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 1, 1, 1, 1] [2018-07-23 13:45:53,213 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,213 INFO L82 PathProgramCache]: Analyzing trace with hash 360221587, now seen corresponding path program 9 times [2018-07-23 13:45:53,213 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,285 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,285 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:45:53,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,286 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 13:45:53,286 INFO L185 omatonBuilderFactory]: Interpolants [1040#(and (<= 6 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 1041#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 1031#true, 1032#false, 1033#(<= 0 ULTIMATE.start_main_~k~5), 1034#(<= 1 ULTIMATE.start_main_~k~5), 1035#(<= 2 ULTIMATE.start_main_~k~5), 1036#(<= 3 ULTIMATE.start_main_~k~5), 1037#(<= 4 ULTIMATE.start_main_~k~5), 1038#(<= 5 ULTIMATE.start_main_~k~5), 1039#(<= 6 ULTIMATE.start_main_~k~5)] [2018-07-23 13:45:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,287 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:45:53,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:45:53,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:45:53,288 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 11 states. [2018-07-23 13:45:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,361 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-07-23 13:45:53,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:45:53,362 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2018-07-23 13:45:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,363 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:45:53,363 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:45:53,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=118, Invalid=188, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:45:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:45:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:45:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:45:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-07-23 13:45:53,372 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 28 [2018-07-23 13:45:53,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,372 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-07-23 13:45:53,372 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:45:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-07-23 13:45:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:45:53,374 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,374 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 1, 1, 1, 1] [2018-07-23 13:45:53,374 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1263725703, now seen corresponding path program 10 times [2018-07-23 13:45:53,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,436 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,436 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:45:53,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,437 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 13:45:53,437 INFO L185 omatonBuilderFactory]: Interpolants [1192#true, 1193#false, 1194#(<= ULTIMATE.start_main_~i~5 0), 1195#(<= ULTIMATE.start_main_~i~5 1), 1196#(<= ULTIMATE.start_main_~i~5 2), 1197#(<= ULTIMATE.start_main_~i~5 3), 1198#(<= ULTIMATE.start_main_~i~5 4), 1199#(<= ULTIMATE.start_main_~i~5 5), 1200#(<= ULTIMATE.start_main_~i~5 6), 1201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 1202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 1203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 1204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 1205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 1206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 1207#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:45:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,438 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:45:53,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:45:53,439 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:45:53,439 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 16 states. [2018-07-23 13:45:53,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,486 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-07-23 13:45:53,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:45:53,487 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2018-07-23 13:45:53,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,488 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:45:53,488 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:45:53,489 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:45:53,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:45:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:45:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:45:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-07-23 13:45:53,496 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2018-07-23 13:45:53,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,497 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-07-23 13:45:53,497 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:45:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-07-23 13:45:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:45:53,498 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,499 INFO L357 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1] [2018-07-23 13:45:53,499 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1629808515, now seen corresponding path program 11 times [2018-07-23 13:45:53,499 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:45:53,568 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,568 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 13:45:53,569 INFO L185 omatonBuilderFactory]: Interpolants [1408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 1409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 1410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 1411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 1412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 1396#true, 1397#false, 1398#(<= ULTIMATE.start_main_~i~5 0), 1399#(<= ULTIMATE.start_main_~i~5 1), 1400#(<= ULTIMATE.start_main_~i~5 2), 1401#(<= ULTIMATE.start_main_~i~5 3), 1402#(<= ULTIMATE.start_main_~i~5 4), 1403#(<= ULTIMATE.start_main_~i~5 5), 1404#(<= ULTIMATE.start_main_~i~5 6), 1405#(<= ULTIMATE.start_main_~i~5 7), 1406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 1407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6))] [2018-07-23 13:45:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,569 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:45:53,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:45:53,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:45:53,570 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 17 states. [2018-07-23 13:45:53,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,626 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-07-23 13:45:53,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:45:53,627 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 34 [2018-07-23 13:45:53,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,628 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:45:53,628 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:45:53,629 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:45:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:45:53,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:45:53,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:45:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-07-23 13:45:53,636 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 34 [2018-07-23 13:45:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,637 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-07-23 13:45:53,637 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:45:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-07-23 13:45:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:45:53,638 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,638 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 1, 1, 1, 1] [2018-07-23 13:45:53,639 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1248072575, now seen corresponding path program 12 times [2018-07-23 13:45:53,639 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,697 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,697 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:45:53,697 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,698 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 13:45:53,698 INFO L185 omatonBuilderFactory]: Interpolants [1611#true, 1612#false, 1613#(<= 0 ULTIMATE.start_main_~k~5), 1614#(<= 1 ULTIMATE.start_main_~k~5), 1615#(<= 2 ULTIMATE.start_main_~k~5), 1616#(<= 3 ULTIMATE.start_main_~k~5), 1617#(<= 4 ULTIMATE.start_main_~k~5), 1618#(<= 5 ULTIMATE.start_main_~k~5), 1619#(<= 6 ULTIMATE.start_main_~k~5), 1620#(<= 7 ULTIMATE.start_main_~k~5), 1621#(<= 8 ULTIMATE.start_main_~k~5), 1622#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 8 ULTIMATE.start_main_~k~5)), 1623#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:45:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,699 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:45:53,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:45:53,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:45:53,700 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 13 states. [2018-07-23 13:45:53,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,761 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-07-23 13:45:53,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:45:53,762 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-07-23 13:45:53,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,763 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:45:53,763 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:45:53,764 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=177, Invalid=285, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:45:53,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:45:53,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:45:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:45:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-07-23 13:45:53,771 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 36 [2018-07-23 13:45:53,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,772 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-07-23 13:45:53,772 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:45:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-07-23 13:45:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:45:53,773 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,773 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 1, 1, 1, 1] [2018-07-23 13:45:53,774 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1910464909, now seen corresponding path program 13 times [2018-07-23 13:45:53,774 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,861 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,862 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:45:53,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,862 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 13:45:53,863 INFO L185 omatonBuilderFactory]: Interpolants [1824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 1825#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 1826#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 1827#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 1828#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 1829#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 1810#true, 1811#false, 1812#(<= ULTIMATE.start_main_~i~5 0), 1813#(<= ULTIMATE.start_main_~i~5 1), 1814#(<= ULTIMATE.start_main_~i~5 2), 1815#(<= ULTIMATE.start_main_~i~5 3), 1816#(<= ULTIMATE.start_main_~i~5 4), 1817#(<= ULTIMATE.start_main_~i~5 5), 1818#(<= ULTIMATE.start_main_~i~5 6), 1819#(<= ULTIMATE.start_main_~i~5 7), 1820#(<= ULTIMATE.start_main_~i~5 8), 1821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 1822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 1823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6))] [2018-07-23 13:45:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,864 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:45:53,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:45:53,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:45:53,866 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 20 states. [2018-07-23 13:45:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,936 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2018-07-23 13:45:53,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:45:53,936 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 40 [2018-07-23 13:45:53,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,937 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:45:53,937 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:45:53,939 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=225, Invalid=531, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:45:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:45:53,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:45:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:45:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-07-23 13:45:53,948 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 40 [2018-07-23 13:45:53,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,948 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-07-23 13:45:53,948 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:45:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-07-23 13:45:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:45:53,949 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,949 INFO L357 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 1, 1, 1, 1] [2018-07-23 13:45:53,950 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,950 INFO L82 PathProgramCache]: Analyzing trace with hash 179690863, now seen corresponding path program 14 times [2018-07-23 13:45:53,950 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,044 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,044 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:45:54,044 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,045 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 13:45:54,045 INFO L185 omatonBuilderFactory]: Interpolants [2080#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 2081#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 2082#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 2062#true, 2063#false, 2064#(<= ULTIMATE.start_main_~i~5 0), 2065#(<= ULTIMATE.start_main_~i~5 1), 2066#(<= ULTIMATE.start_main_~i~5 2), 2067#(<= ULTIMATE.start_main_~i~5 3), 2068#(<= ULTIMATE.start_main_~i~5 4), 2069#(<= ULTIMATE.start_main_~i~5 5), 2070#(<= ULTIMATE.start_main_~i~5 6), 2071#(<= ULTIMATE.start_main_~i~5 7), 2072#(<= ULTIMATE.start_main_~i~5 8), 2073#(<= ULTIMATE.start_main_~i~5 9), 2074#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 2075#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 2076#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 2077#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 2078#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 2079#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4))] [2018-07-23 13:45:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,046 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:45:54,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:45:54,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:45:54,047 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 21 states. [2018-07-23 13:45:54,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,125 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2018-07-23 13:45:54,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:45:54,126 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 42 [2018-07-23 13:45:54,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,127 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:45:54,127 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:45:54,128 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=264, Invalid=606, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:45:54,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:45:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:45:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:45:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-07-23 13:45:54,137 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 42 [2018-07-23 13:45:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,137 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-07-23 13:45:54,137 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:45:54,138 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-07-23 13:45:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:45:54,139 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,139 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 1, 1, 1, 1] [2018-07-23 13:45:54,139 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1225306773, now seen corresponding path program 15 times [2018-07-23 13:45:54,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,219 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,219 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:45:54,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,220 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 13:45:54,221 INFO L185 omatonBuilderFactory]: Interpolants [2336#(<= 9 ULTIMATE.start_main_~k~5), 2337#(<= 10 ULTIMATE.start_main_~k~5), 2338#(and (<= 10 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 2339#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 2325#true, 2326#false, 2327#(<= 0 ULTIMATE.start_main_~k~5), 2328#(<= 1 ULTIMATE.start_main_~k~5), 2329#(<= 2 ULTIMATE.start_main_~k~5), 2330#(<= 3 ULTIMATE.start_main_~k~5), 2331#(<= 4 ULTIMATE.start_main_~k~5), 2332#(<= 5 ULTIMATE.start_main_~k~5), 2333#(<= 6 ULTIMATE.start_main_~k~5), 2334#(<= 7 ULTIMATE.start_main_~k~5), 2335#(<= 8 ULTIMATE.start_main_~k~5)] [2018-07-23 13:45:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,222 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:45:54,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:45:54,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:45:54,223 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 15 states. [2018-07-23 13:45:54,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,300 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2018-07-23 13:45:54,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:45:54,300 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2018-07-23 13:45:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,301 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:45:54,303 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:45:54,304 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:45:54,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:45:54,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:45:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:45:54,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-07-23 13:45:54,316 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 44 [2018-07-23 13:45:54,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,317 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-07-23 13:45:54,317 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:45:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-07-23 13:45:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:45:54,319 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,319 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 1, 1, 1, 1] [2018-07-23 13:45:54,320 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1452473761, now seen corresponding path program 16 times [2018-07-23 13:45:54,320 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,439 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,440 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:45:54,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,440 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 13:45:54,441 INFO L185 omatonBuilderFactory]: Interpolants [2562#true, 2563#false, 2564#(<= ULTIMATE.start_main_~i~5 0), 2565#(<= ULTIMATE.start_main_~i~5 1), 2566#(<= ULTIMATE.start_main_~i~5 2), 2567#(<= ULTIMATE.start_main_~i~5 3), 2568#(<= ULTIMATE.start_main_~i~5 4), 2569#(<= ULTIMATE.start_main_~i~5 5), 2570#(<= ULTIMATE.start_main_~i~5 6), 2571#(<= ULTIMATE.start_main_~i~5 7), 2572#(<= ULTIMATE.start_main_~i~5 8), 2573#(<= ULTIMATE.start_main_~i~5 9), 2574#(<= ULTIMATE.start_main_~i~5 10), 2575#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 2576#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 2577#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 2578#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 2579#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 2580#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 2581#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 2582#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 2583#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 2584#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 2585#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:45:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,442 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:45:54,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:45:54,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:45:54,443 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 24 states. [2018-07-23 13:45:54,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,527 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2018-07-23 13:45:54,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:45:54,528 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 48 [2018-07-23 13:45:54,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,528 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:45:54,529 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:45:54,530 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:45:54,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:45:54,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:45:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:45:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-07-23 13:45:54,539 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 48 [2018-07-23 13:45:54,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,540 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-07-23 13:45:54,540 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:45:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-07-23 13:45:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:45:54,541 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,541 INFO L357 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 1, 1, 1, 1] [2018-07-23 13:45:54,541 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1195476315, now seen corresponding path program 17 times [2018-07-23 13:45:54,542 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,666 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:45:54,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,666 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 13:45:54,667 INFO L185 omatonBuilderFactory]: Interpolants [2880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 2881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 2882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 2883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 2884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 2885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 2886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 2862#true, 2863#false, 2864#(<= ULTIMATE.start_main_~i~5 0), 2865#(<= ULTIMATE.start_main_~i~5 1), 2866#(<= ULTIMATE.start_main_~i~5 2), 2867#(<= ULTIMATE.start_main_~i~5 3), 2868#(<= ULTIMATE.start_main_~i~5 4), 2869#(<= ULTIMATE.start_main_~i~5 5), 2870#(<= ULTIMATE.start_main_~i~5 6), 2871#(<= ULTIMATE.start_main_~i~5 7), 2872#(<= ULTIMATE.start_main_~i~5 8), 2873#(<= ULTIMATE.start_main_~i~5 9), 2874#(<= ULTIMATE.start_main_~i~5 10), 2875#(<= ULTIMATE.start_main_~i~5 11), 2876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 2877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 2878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 2879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8))] [2018-07-23 13:45:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,668 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:45:54,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:45:54,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:45:54,669 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 25 states. [2018-07-23 13:45:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,765 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-07-23 13:45:54,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:45:54,765 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 50 [2018-07-23 13:45:54,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,766 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:45:54,766 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:45:54,767 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=377, Invalid=883, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:45:54,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:45:54,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:45:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:45:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-07-23 13:45:54,777 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 50 [2018-07-23 13:45:54,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,777 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-07-23 13:45:54,777 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:45:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-07-23 13:45:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:45:54,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,779 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 1, 1, 1, 1] [2018-07-23 13:45:54,779 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1040107177, now seen corresponding path program 18 times [2018-07-23 13:45:54,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,870 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,870 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:45:54,870 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,870 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 13:45:54,871 INFO L185 omatonBuilderFactory]: Interpolants [3173#true, 3174#false, 3175#(<= 0 ULTIMATE.start_main_~k~5), 3176#(<= 1 ULTIMATE.start_main_~k~5), 3177#(<= 2 ULTIMATE.start_main_~k~5), 3178#(<= 3 ULTIMATE.start_main_~k~5), 3179#(<= 4 ULTIMATE.start_main_~k~5), 3180#(<= 5 ULTIMATE.start_main_~k~5), 3181#(<= 6 ULTIMATE.start_main_~k~5), 3182#(<= 7 ULTIMATE.start_main_~k~5), 3183#(<= 8 ULTIMATE.start_main_~k~5), 3184#(<= 9 ULTIMATE.start_main_~k~5), 3185#(<= 10 ULTIMATE.start_main_~k~5), 3186#(<= 11 ULTIMATE.start_main_~k~5), 3187#(<= 12 ULTIMATE.start_main_~k~5), 3188#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 12 ULTIMATE.start_main_~k~5)), 3189#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:45:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,872 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:45:54,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:45:54,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:45:54,876 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 17 states. [2018-07-23 13:45:54,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,973 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-07-23 13:45:54,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:45:54,973 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 52 [2018-07-23 13:45:54,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,974 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:45:54,974 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:45:54,975 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=331, Invalid=539, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:45:54,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:45:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:45:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:45:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-07-23 13:45:54,991 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 52 [2018-07-23 13:45:54,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,991 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-07-23 13:45:54,994 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:45:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-07-23 13:45:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:45:54,995 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,995 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 1, 1, 1, 1] [2018-07-23 13:45:54,995 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,995 INFO L82 PathProgramCache]: Analyzing trace with hash 75962443, now seen corresponding path program 19 times [2018-07-23 13:45:54,996 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,128 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,128 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:45:55,129 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,129 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 13:45:55,130 INFO L185 omatonBuilderFactory]: Interpolants [3456#(<= ULTIMATE.start_main_~i~5 6), 3457#(<= ULTIMATE.start_main_~i~5 7), 3458#(<= ULTIMATE.start_main_~i~5 8), 3459#(<= ULTIMATE.start_main_~i~5 9), 3460#(<= ULTIMATE.start_main_~i~5 10), 3461#(<= ULTIMATE.start_main_~i~5 11), 3462#(<= ULTIMATE.start_main_~i~5 12), 3463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 3464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 3465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 3466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 3467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 3468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 3469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 3470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 3471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 3472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 3473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 3474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 3475#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 3448#true, 3449#false, 3450#(<= ULTIMATE.start_main_~i~5 0), 3451#(<= ULTIMATE.start_main_~i~5 1), 3452#(<= ULTIMATE.start_main_~i~5 2), 3453#(<= ULTIMATE.start_main_~i~5 3), 3454#(<= ULTIMATE.start_main_~i~5 4), 3455#(<= ULTIMATE.start_main_~i~5 5)] [2018-07-23 13:45:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,130 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:45:55,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:45:55,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:45:55,134 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 28 states. [2018-07-23 13:45:55,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,243 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2018-07-23 13:45:55,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:45:55,243 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 56 [2018-07-23 13:45:55,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,244 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:45:55,245 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:45:55,246 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=455, Invalid=1105, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:45:55,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:45:55,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:45:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:45:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-07-23 13:45:55,264 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 56 [2018-07-23 13:45:55,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,264 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-07-23 13:45:55,264 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:45:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-07-23 13:45:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:45:55,265 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,265 INFO L357 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 1, 1, 1, 1] [2018-07-23 13:45:55,268 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1108795207, now seen corresponding path program 20 times [2018-07-23 13:45:55,268 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,416 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,416 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:45:55,416 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,416 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 13:45:55,417 INFO L185 omatonBuilderFactory]: Interpolants [3796#true, 3797#false, 3798#(<= ULTIMATE.start_main_~i~5 0), 3799#(<= ULTIMATE.start_main_~i~5 1), 3800#(<= ULTIMATE.start_main_~i~5 2), 3801#(<= ULTIMATE.start_main_~i~5 3), 3802#(<= ULTIMATE.start_main_~i~5 4), 3803#(<= ULTIMATE.start_main_~i~5 5), 3804#(<= ULTIMATE.start_main_~i~5 6), 3805#(<= ULTIMATE.start_main_~i~5 7), 3806#(<= ULTIMATE.start_main_~i~5 8), 3807#(<= ULTIMATE.start_main_~i~5 9), 3808#(<= ULTIMATE.start_main_~i~5 10), 3809#(<= ULTIMATE.start_main_~i~5 11), 3810#(<= ULTIMATE.start_main_~i~5 12), 3811#(<= ULTIMATE.start_main_~i~5 13), 3812#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 3813#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 3814#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 3815#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 3816#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 3817#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 3818#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 3819#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 3820#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 3821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 3822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 3823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 3824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:45:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,418 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:45:55,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:45:55,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:45:55,419 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 29 states. [2018-07-23 13:45:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,530 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2018-07-23 13:45:55,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:45:55,530 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 58 [2018-07-23 13:45:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,531 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:45:55,531 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:45:55,537 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=510, Invalid=1212, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:45:55,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:45:55,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:45:55,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:45:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2018-07-23 13:45:55,555 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 58 [2018-07-23 13:45:55,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,559 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2018-07-23 13:45:55,559 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:45:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-07-23 13:45:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:45:55,589 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,589 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 14, 13, 1, 1, 1, 1] [2018-07-23 13:45:55,589 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1523636035, now seen corresponding path program 21 times [2018-07-23 13:45:55,590 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,727 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,727 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:45:55,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,728 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 13:45:55,728 INFO L185 omatonBuilderFactory]: Interpolants [4160#(<= 3 ULTIMATE.start_main_~k~5), 4161#(<= 4 ULTIMATE.start_main_~k~5), 4162#(<= 5 ULTIMATE.start_main_~k~5), 4163#(<= 6 ULTIMATE.start_main_~k~5), 4164#(<= 7 ULTIMATE.start_main_~k~5), 4165#(<= 8 ULTIMATE.start_main_~k~5), 4166#(<= 9 ULTIMATE.start_main_~k~5), 4167#(<= 10 ULTIMATE.start_main_~k~5), 4168#(<= 11 ULTIMATE.start_main_~k~5), 4169#(<= 12 ULTIMATE.start_main_~k~5), 4170#(<= 13 ULTIMATE.start_main_~k~5), 4171#(<= 14 ULTIMATE.start_main_~k~5), 4172#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 14 ULTIMATE.start_main_~k~5)), 4173#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 4155#true, 4156#false, 4157#(<= 0 ULTIMATE.start_main_~k~5), 4158#(<= 1 ULTIMATE.start_main_~k~5), 4159#(<= 2 ULTIMATE.start_main_~k~5)] [2018-07-23 13:45:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,729 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:45:55,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:45:55,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:45:55,730 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 19 states. [2018-07-23 13:45:55,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,826 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2018-07-23 13:45:55,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:45:55,827 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 60 [2018-07-23 13:45:55,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,827 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:45:55,827 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:45:55,828 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=426, Invalid=696, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:45:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:45:55,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:45:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:45:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2018-07-23 13:45:55,838 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 60 [2018-07-23 13:45:55,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,839 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2018-07-23 13:45:55,839 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:45:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-07-23 13:45:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:45:55,840 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,840 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 15, 14, 1, 1, 1, 1] [2018-07-23 13:45:55,840 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1329455159, now seen corresponding path program 22 times [2018-07-23 13:45:55,841 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,992 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,992 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:45:55,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,993 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 13:45:55,994 INFO L185 omatonBuilderFactory]: Interpolants [4480#(<= ULTIMATE.start_main_~i~5 10), 4481#(<= ULTIMATE.start_main_~i~5 11), 4482#(<= ULTIMATE.start_main_~i~5 12), 4483#(<= ULTIMATE.start_main_~i~5 13), 4484#(<= ULTIMATE.start_main_~i~5 14), 4485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 4486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 4487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 4488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 4489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 4490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 4491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 4492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 4493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 4494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 4495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 4496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 4497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 4498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 4499#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 4468#true, 4469#false, 4470#(<= ULTIMATE.start_main_~i~5 0), 4471#(<= ULTIMATE.start_main_~i~5 1), 4472#(<= ULTIMATE.start_main_~i~5 2), 4473#(<= ULTIMATE.start_main_~i~5 3), 4474#(<= ULTIMATE.start_main_~i~5 4), 4475#(<= ULTIMATE.start_main_~i~5 5), 4476#(<= ULTIMATE.start_main_~i~5 6), 4477#(<= ULTIMATE.start_main_~i~5 7), 4478#(<= ULTIMATE.start_main_~i~5 8), 4479#(<= ULTIMATE.start_main_~i~5 9)] [2018-07-23 13:45:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,994 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:45:55,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:45:55,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:45:55,996 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 32 states. [2018-07-23 13:45:56,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,117 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2018-07-23 13:45:56,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:45:56,118 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 64 [2018-07-23 13:45:56,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,118 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:45:56,118 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:45:56,120 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=600, Invalid=1470, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:45:56,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:45:56,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:45:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:45:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2018-07-23 13:45:56,127 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 64 [2018-07-23 13:45:56,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,128 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2018-07-23 13:45:56,128 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:45:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-07-23 13:45:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:45:56,129 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,129 INFO L357 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 1, 1, 1, 1] [2018-07-23 13:45:56,129 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1862593331, now seen corresponding path program 23 times [2018-07-23 13:45:56,129 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,270 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,270 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:45:56,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,271 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 13:45:56,271 INFO L185 omatonBuilderFactory]: Interpolants [4864#true, 4865#false, 4866#(<= ULTIMATE.start_main_~i~5 0), 4867#(<= ULTIMATE.start_main_~i~5 1), 4868#(<= ULTIMATE.start_main_~i~5 2), 4869#(<= ULTIMATE.start_main_~i~5 3), 4870#(<= ULTIMATE.start_main_~i~5 4), 4871#(<= ULTIMATE.start_main_~i~5 5), 4872#(<= ULTIMATE.start_main_~i~5 6), 4873#(<= ULTIMATE.start_main_~i~5 7), 4874#(<= ULTIMATE.start_main_~i~5 8), 4875#(<= ULTIMATE.start_main_~i~5 9), 4876#(<= ULTIMATE.start_main_~i~5 10), 4877#(<= ULTIMATE.start_main_~i~5 11), 4878#(<= ULTIMATE.start_main_~i~5 12), 4879#(<= ULTIMATE.start_main_~i~5 13), 4880#(<= ULTIMATE.start_main_~i~5 14), 4881#(<= ULTIMATE.start_main_~i~5 15), 4882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 4883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 4884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 4885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 4886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 4887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 4888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 4889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 4890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 4891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 4892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 4893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 4894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 4895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 4896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:45:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,272 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:45:56,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:45:56,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:45:56,275 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 33 states. [2018-07-23 13:45:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,410 INFO L93 Difference]: Finished difference Result 103 states and 105 transitions. [2018-07-23 13:45:56,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:45:56,410 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 66 [2018-07-23 13:45:56,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,411 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:45:56,411 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:45:56,413 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=663, Invalid=1593, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:45:56,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:45:56,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:45:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:45:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2018-07-23 13:45:56,421 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 66 [2018-07-23 13:45:56,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,422 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2018-07-23 13:45:56,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:45:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-07-23 13:45:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:45:56,422 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,423 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 16, 15, 1, 1, 1, 1] [2018-07-23 13:45:56,423 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1187698897, now seen corresponding path program 24 times [2018-07-23 13:45:56,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,527 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,527 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,528 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:45:56,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,528 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 13:45:56,528 INFO L185 omatonBuilderFactory]: Interpolants [5280#(<= 7 ULTIMATE.start_main_~k~5), 5281#(<= 8 ULTIMATE.start_main_~k~5), 5282#(<= 9 ULTIMATE.start_main_~k~5), 5283#(<= 10 ULTIMATE.start_main_~k~5), 5284#(<= 11 ULTIMATE.start_main_~k~5), 5285#(<= 12 ULTIMATE.start_main_~k~5), 5286#(<= 13 ULTIMATE.start_main_~k~5), 5287#(<= 14 ULTIMATE.start_main_~k~5), 5288#(<= 15 ULTIMATE.start_main_~k~5), 5289#(<= 16 ULTIMATE.start_main_~k~5), 5290#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 16 ULTIMATE.start_main_~k~5)), 5291#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 5271#true, 5272#false, 5273#(<= 0 ULTIMATE.start_main_~k~5), 5274#(<= 1 ULTIMATE.start_main_~k~5), 5275#(<= 2 ULTIMATE.start_main_~k~5), 5276#(<= 3 ULTIMATE.start_main_~k~5), 5277#(<= 4 ULTIMATE.start_main_~k~5), 5278#(<= 5 ULTIMATE.start_main_~k~5), 5279#(<= 6 ULTIMATE.start_main_~k~5)] [2018-07-23 13:45:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,529 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:45:56,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:45:56,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:45:56,531 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 21 states. [2018-07-23 13:45:56,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,630 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-07-23 13:45:56,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:45:56,631 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 68 [2018-07-23 13:45:56,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,631 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:45:56,632 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:45:56,633 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=533, Invalid=873, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:45:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:45:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:45:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:45:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2018-07-23 13:45:56,641 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 68 [2018-07-23 13:45:56,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,641 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2018-07-23 13:45:56,641 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:45:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-07-23 13:45:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:45:56,642 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,642 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 17, 16, 1, 1, 1, 1] [2018-07-23 13:45:56,642 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1105222179, now seen corresponding path program 25 times [2018-07-23 13:45:56,643 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,812 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,812 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:45:56,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,813 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 13:45:56,813 INFO L185 omatonBuilderFactory]: Interpolants [5632#(<= ULTIMATE.start_main_~i~5 8), 5633#(<= ULTIMATE.start_main_~i~5 9), 5634#(<= ULTIMATE.start_main_~i~5 10), 5635#(<= ULTIMATE.start_main_~i~5 11), 5636#(<= ULTIMATE.start_main_~i~5 12), 5637#(<= ULTIMATE.start_main_~i~5 13), 5638#(<= ULTIMATE.start_main_~i~5 14), 5639#(<= ULTIMATE.start_main_~i~5 15), 5640#(<= ULTIMATE.start_main_~i~5 16), 5641#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 5642#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 5643#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 5644#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 5645#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 5646#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 5647#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 5648#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 5649#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 5650#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 5651#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 5652#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 5653#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 5654#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 5655#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 5656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 5657#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 5622#true, 5623#false, 5624#(<= ULTIMATE.start_main_~i~5 0), 5625#(<= ULTIMATE.start_main_~i~5 1), 5626#(<= ULTIMATE.start_main_~i~5 2), 5627#(<= ULTIMATE.start_main_~i~5 3), 5628#(<= ULTIMATE.start_main_~i~5 4), 5629#(<= ULTIMATE.start_main_~i~5 5), 5630#(<= ULTIMATE.start_main_~i~5 6), 5631#(<= ULTIMATE.start_main_~i~5 7)] [2018-07-23 13:45:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,814 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:45:56,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:45:56,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=919, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:45:56,815 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 36 states. [2018-07-23 13:45:56,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,925 INFO L93 Difference]: Finished difference Result 113 states and 115 transitions. [2018-07-23 13:45:56,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:45:56,925 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 72 [2018-07-23 13:45:56,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,926 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:45:56,926 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:45:56,928 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=765, Invalid=1887, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:45:56,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:45:56,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:45:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:45:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2018-07-23 13:45:56,936 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 72 [2018-07-23 13:45:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,936 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2018-07-23 13:45:56,936 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:45:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-07-23 13:45:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:45:56,937 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,937 INFO L357 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 1, 1, 1, 1] [2018-07-23 13:45:56,938 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1247455519, now seen corresponding path program 26 times [2018-07-23 13:45:56,938 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,087 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,087 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:45:57,088 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,088 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 13:45:57,088 INFO L185 omatonBuilderFactory]: Interpolants [6080#(<= ULTIMATE.start_main_~i~5 12), 6081#(<= ULTIMATE.start_main_~i~5 13), 6082#(<= ULTIMATE.start_main_~i~5 14), 6083#(<= ULTIMATE.start_main_~i~5 15), 6084#(<= ULTIMATE.start_main_~i~5 16), 6085#(<= ULTIMATE.start_main_~i~5 17), 6086#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 6087#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 6088#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 6089#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 6090#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 6091#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 6092#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 6093#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 6094#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 6095#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 6096#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 6097#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 6098#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 6099#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 6100#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 6101#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 6102#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 6066#true, 6067#false, 6068#(<= ULTIMATE.start_main_~i~5 0), 6069#(<= ULTIMATE.start_main_~i~5 1), 6070#(<= ULTIMATE.start_main_~i~5 2), 6071#(<= ULTIMATE.start_main_~i~5 3), 6072#(<= ULTIMATE.start_main_~i~5 4), 6073#(<= ULTIMATE.start_main_~i~5 5), 6074#(<= ULTIMATE.start_main_~i~5 6), 6075#(<= ULTIMATE.start_main_~i~5 7), 6076#(<= ULTIMATE.start_main_~i~5 8), 6077#(<= ULTIMATE.start_main_~i~5 9), 6078#(<= ULTIMATE.start_main_~i~5 10), 6079#(<= ULTIMATE.start_main_~i~5 11)] [2018-07-23 13:45:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,089 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:45:57,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:45:57,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:45:57,091 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 37 states. [2018-07-23 13:45:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,207 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2018-07-23 13:45:57,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:45:57,208 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 74 [2018-07-23 13:45:57,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,208 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:45:57,208 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:45:57,210 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=836, Invalid=2026, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:45:57,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:45:57,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:45:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:45:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2018-07-23 13:45:57,220 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 74 [2018-07-23 13:45:57,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,220 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2018-07-23 13:45:57,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:45:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-07-23 13:45:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:45:57,221 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,221 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 18, 17, 1, 1, 1, 1] [2018-07-23 13:45:57,221 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,222 INFO L82 PathProgramCache]: Analyzing trace with hash 494741787, now seen corresponding path program 27 times [2018-07-23 13:45:57,222 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,323 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,323 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:45:57,324 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,324 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 13:45:57,324 INFO L185 omatonBuilderFactory]: Interpolants [6528#(<= 5 ULTIMATE.start_main_~k~5), 6529#(<= 6 ULTIMATE.start_main_~k~5), 6530#(<= 7 ULTIMATE.start_main_~k~5), 6531#(<= 8 ULTIMATE.start_main_~k~5), 6532#(<= 9 ULTIMATE.start_main_~k~5), 6533#(<= 10 ULTIMATE.start_main_~k~5), 6534#(<= 11 ULTIMATE.start_main_~k~5), 6535#(<= 12 ULTIMATE.start_main_~k~5), 6536#(<= 13 ULTIMATE.start_main_~k~5), 6537#(<= 14 ULTIMATE.start_main_~k~5), 6538#(<= 15 ULTIMATE.start_main_~k~5), 6539#(<= 16 ULTIMATE.start_main_~k~5), 6540#(<= 17 ULTIMATE.start_main_~k~5), 6541#(<= 18 ULTIMATE.start_main_~k~5), 6542#(and (<= 18 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 6543#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 6521#true, 6522#false, 6523#(<= 0 ULTIMATE.start_main_~k~5), 6524#(<= 1 ULTIMATE.start_main_~k~5), 6525#(<= 2 ULTIMATE.start_main_~k~5), 6526#(<= 3 ULTIMATE.start_main_~k~5), 6527#(<= 4 ULTIMATE.start_main_~k~5)] [2018-07-23 13:45:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,325 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:45:57,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:45:57,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:45:57,326 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 23 states. [2018-07-23 13:45:57,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,426 INFO L93 Difference]: Finished difference Result 83 states and 85 transitions. [2018-07-23 13:45:57,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:45:57,426 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 76 [2018-07-23 13:45:57,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,427 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:45:57,427 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:45:57,429 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=652, Invalid=1070, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:45:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:45:57,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:45:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:45:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2018-07-23 13:45:57,439 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 76 [2018-07-23 13:45:57,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,440 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2018-07-23 13:45:57,440 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:45:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-07-23 13:45:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:45:57,441 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,441 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 19, 18, 1, 1, 1, 1] [2018-07-23 13:45:57,441 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1564313103, now seen corresponding path program 28 times [2018-07-23 13:45:57,441 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,624 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,624 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:45:57,624 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,625 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 13:45:57,625 INFO L185 omatonBuilderFactory]: Interpolants [6912#(<= ULTIMATE.start_main_~i~5 0), 6913#(<= ULTIMATE.start_main_~i~5 1), 6914#(<= ULTIMATE.start_main_~i~5 2), 6915#(<= ULTIMATE.start_main_~i~5 3), 6916#(<= ULTIMATE.start_main_~i~5 4), 6917#(<= ULTIMATE.start_main_~i~5 5), 6918#(<= ULTIMATE.start_main_~i~5 6), 6919#(<= ULTIMATE.start_main_~i~5 7), 6920#(<= ULTIMATE.start_main_~i~5 8), 6921#(<= ULTIMATE.start_main_~i~5 9), 6922#(<= ULTIMATE.start_main_~i~5 10), 6923#(<= ULTIMATE.start_main_~i~5 11), 6924#(<= ULTIMATE.start_main_~i~5 12), 6925#(<= ULTIMATE.start_main_~i~5 13), 6926#(<= ULTIMATE.start_main_~i~5 14), 6927#(<= ULTIMATE.start_main_~i~5 15), 6928#(<= ULTIMATE.start_main_~i~5 16), 6929#(<= ULTIMATE.start_main_~i~5 17), 6930#(<= ULTIMATE.start_main_~i~5 18), 6931#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 6932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 6933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 6934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 6935#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 6936#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 6937#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 6938#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 6939#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 6940#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 6941#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 6942#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 6943#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 6944#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 6945#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 6946#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 6947#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 6948#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 6949#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 6910#true, 6911#false] [2018-07-23 13:45:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,626 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:45:57,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:45:57,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=1141, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:45:57,628 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 40 states. [2018-07-23 13:45:57,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,763 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2018-07-23 13:45:57,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:45:57,764 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 80 [2018-07-23 13:45:57,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,765 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:45:57,765 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:45:57,768 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=950, Invalid=2356, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:45:57,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:45:57,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:45:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:45:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 84 transitions. [2018-07-23 13:45:57,777 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 84 transitions. Word has length 80 [2018-07-23 13:45:57,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,777 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 84 transitions. [2018-07-23 13:45:57,777 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:45:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-07-23 13:45:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:45:57,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,778 INFO L357 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 1, 1, 1, 1] [2018-07-23 13:45:57,778 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,779 INFO L82 PathProgramCache]: Analyzing trace with hash 417798411, now seen corresponding path program 29 times [2018-07-23 13:45:57,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,970 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,970 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:45:57,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,971 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 13:45:57,971 INFO L185 omatonBuilderFactory]: Interpolants [7424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 7425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 7426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 7427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 7428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 7429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 7430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 7431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 7432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 7433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 7434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 7435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 7436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 7437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 7438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 7439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 7440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 7441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 7442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 7402#true, 7403#false, 7404#(<= ULTIMATE.start_main_~i~5 0), 7405#(<= ULTIMATE.start_main_~i~5 1), 7406#(<= ULTIMATE.start_main_~i~5 2), 7407#(<= ULTIMATE.start_main_~i~5 3), 7408#(<= ULTIMATE.start_main_~i~5 4), 7409#(<= ULTIMATE.start_main_~i~5 5), 7410#(<= ULTIMATE.start_main_~i~5 6), 7411#(<= ULTIMATE.start_main_~i~5 7), 7412#(<= ULTIMATE.start_main_~i~5 8), 7413#(<= ULTIMATE.start_main_~i~5 9), 7414#(<= ULTIMATE.start_main_~i~5 10), 7415#(<= ULTIMATE.start_main_~i~5 11), 7416#(<= ULTIMATE.start_main_~i~5 12), 7417#(<= ULTIMATE.start_main_~i~5 13), 7418#(<= ULTIMATE.start_main_~i~5 14), 7419#(<= ULTIMATE.start_main_~i~5 15), 7420#(<= ULTIMATE.start_main_~i~5 16), 7421#(<= ULTIMATE.start_main_~i~5 17), 7422#(<= ULTIMATE.start_main_~i~5 18), 7423#(<= ULTIMATE.start_main_~i~5 19)] [2018-07-23 13:45:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,973 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:45:57,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:45:57,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=1200, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:45:57,974 INFO L87 Difference]: Start difference. First operand 83 states and 84 transitions. Second operand 41 states. [2018-07-23 13:45:58,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,137 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2018-07-23 13:45:58,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:45:58,137 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 82 [2018-07-23 13:45:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,138 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:45:58,138 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:45:58,141 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1029, Invalid=2511, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:45:58,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:45:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:45:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:45:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2018-07-23 13:45:58,152 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 82 [2018-07-23 13:45:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,153 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2018-07-23 13:45:58,153 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:45:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-07-23 13:45:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:45:58,154 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,154 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 20, 19, 1, 1, 1, 1] [2018-07-23 13:45:58,154 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1871192825, now seen corresponding path program 30 times [2018-07-23 13:45:58,155 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,367 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:58,368 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:45:58,368 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:58,368 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 13:45:58,369 INFO L185 omatonBuilderFactory]: Interpolants [7905#true, 7906#false, 7907#(<= 0 ULTIMATE.start_main_~k~5), 7908#(<= 1 ULTIMATE.start_main_~k~5), 7909#(<= 2 ULTIMATE.start_main_~k~5), 7910#(<= 3 ULTIMATE.start_main_~k~5), 7911#(<= 4 ULTIMATE.start_main_~k~5), 7912#(<= 5 ULTIMATE.start_main_~k~5), 7913#(<= 6 ULTIMATE.start_main_~k~5), 7914#(<= 7 ULTIMATE.start_main_~k~5), 7915#(<= 8 ULTIMATE.start_main_~k~5), 7916#(<= 9 ULTIMATE.start_main_~k~5), 7917#(<= 10 ULTIMATE.start_main_~k~5), 7918#(<= 11 ULTIMATE.start_main_~k~5), 7919#(<= 12 ULTIMATE.start_main_~k~5), 7920#(<= 13 ULTIMATE.start_main_~k~5), 7921#(<= 14 ULTIMATE.start_main_~k~5), 7922#(<= 15 ULTIMATE.start_main_~k~5), 7923#(<= 16 ULTIMATE.start_main_~k~5), 7924#(<= 17 ULTIMATE.start_main_~k~5), 7925#(<= 18 ULTIMATE.start_main_~k~5), 7926#(<= 19 ULTIMATE.start_main_~k~5), 7927#(<= 20 ULTIMATE.start_main_~k~5), 7928#(and (<= 20 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 7929#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:45:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,370 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:45:58,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:45:58,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:45:58,371 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand 25 states. [2018-07-23 13:45:58,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,520 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2018-07-23 13:45:58,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:45:58,521 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 84 [2018-07-23 13:45:58,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,521 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:45:58,522 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:45:58,523 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=783, Invalid=1287, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:45:58,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:45:58,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:45:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:45:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 90 transitions. [2018-07-23 13:45:58,535 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 90 transitions. Word has length 84 [2018-07-23 13:45:58,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,535 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 90 transitions. [2018-07-23 13:45:58,536 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:45:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-07-23 13:45:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:45:58,536 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,537 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 21, 20, 1, 1, 1, 1] [2018-07-23 13:45:58,537 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1432067077, now seen corresponding path program 31 times [2018-07-23 13:45:58,537 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,873 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:58,873 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:45:58,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:58,874 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 13:45:58,874 INFO L185 omatonBuilderFactory]: Interpolants [8332#true, 8333#false, 8334#(<= ULTIMATE.start_main_~i~5 0), 8335#(<= ULTIMATE.start_main_~i~5 1), 8336#(<= ULTIMATE.start_main_~i~5 2), 8337#(<= ULTIMATE.start_main_~i~5 3), 8338#(<= ULTIMATE.start_main_~i~5 4), 8339#(<= ULTIMATE.start_main_~i~5 5), 8340#(<= ULTIMATE.start_main_~i~5 6), 8341#(<= ULTIMATE.start_main_~i~5 7), 8342#(<= ULTIMATE.start_main_~i~5 8), 8343#(<= ULTIMATE.start_main_~i~5 9), 8344#(<= ULTIMATE.start_main_~i~5 10), 8345#(<= ULTIMATE.start_main_~i~5 11), 8346#(<= ULTIMATE.start_main_~i~5 12), 8347#(<= ULTIMATE.start_main_~i~5 13), 8348#(<= ULTIMATE.start_main_~i~5 14), 8349#(<= ULTIMATE.start_main_~i~5 15), 8350#(<= ULTIMATE.start_main_~i~5 16), 8351#(<= ULTIMATE.start_main_~i~5 17), 8352#(<= ULTIMATE.start_main_~i~5 18), 8353#(<= ULTIMATE.start_main_~i~5 19), 8354#(<= ULTIMATE.start_main_~i~5 20), 8355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 8356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 8357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 8358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 8359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 8360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 8361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 8362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 8363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 8364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 8365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 8366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 8367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 8368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 8369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 8370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 8371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 8372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 8373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 8374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 8375#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:45:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,877 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:45:58,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:45:58,878 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=1387, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:45:58,879 INFO L87 Difference]: Start difference. First operand 89 states and 90 transitions. Second operand 44 states. [2018-07-23 13:45:59,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,127 INFO L93 Difference]: Finished difference Result 137 states and 139 transitions. [2018-07-23 13:45:59,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:45:59,127 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 88 [2018-07-23 13:45:59,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,131 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:45:59,131 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:45:59,135 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1155, Invalid=2877, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:45:59,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:45:59,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:45:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:45:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 92 transitions. [2018-07-23 13:45:59,145 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 92 transitions. Word has length 88 [2018-07-23 13:45:59,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,145 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 92 transitions. [2018-07-23 13:45:59,145 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:45:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-07-23 13:45:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:45:59,147 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,147 INFO L357 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 1, 1, 1, 1] [2018-07-23 13:45:59,147 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1476838665, now seen corresponding path program 32 times [2018-07-23 13:45:59,148 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,362 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:45:59,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,362 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 13:45:59,363 INFO L185 omatonBuilderFactory]: Interpolants [8896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 8897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 8898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 8899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 8900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 8901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 8902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 8903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 8904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 8905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 8906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 8907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 8908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 8909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 8910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 8911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 8912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 8913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 8914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 8915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 8916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 8872#true, 8873#false, 8874#(<= ULTIMATE.start_main_~i~5 0), 8875#(<= ULTIMATE.start_main_~i~5 1), 8876#(<= ULTIMATE.start_main_~i~5 2), 8877#(<= ULTIMATE.start_main_~i~5 3), 8878#(<= ULTIMATE.start_main_~i~5 4), 8879#(<= ULTIMATE.start_main_~i~5 5), 8880#(<= ULTIMATE.start_main_~i~5 6), 8881#(<= ULTIMATE.start_main_~i~5 7), 8882#(<= ULTIMATE.start_main_~i~5 8), 8883#(<= ULTIMATE.start_main_~i~5 9), 8884#(<= ULTIMATE.start_main_~i~5 10), 8885#(<= ULTIMATE.start_main_~i~5 11), 8886#(<= ULTIMATE.start_main_~i~5 12), 8887#(<= ULTIMATE.start_main_~i~5 13), 8888#(<= ULTIMATE.start_main_~i~5 14), 8889#(<= ULTIMATE.start_main_~i~5 15), 8890#(<= ULTIMATE.start_main_~i~5 16), 8891#(<= ULTIMATE.start_main_~i~5 17), 8892#(<= ULTIMATE.start_main_~i~5 18), 8893#(<= ULTIMATE.start_main_~i~5 19), 8894#(<= ULTIMATE.start_main_~i~5 20), 8895#(<= ULTIMATE.start_main_~i~5 21)] [2018-07-23 13:45:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,364 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:45:59,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:45:59,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=1452, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:45:59,367 INFO L87 Difference]: Start difference. First operand 91 states and 92 transitions. Second operand 45 states. [2018-07-23 13:45:59,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,537 INFO L93 Difference]: Finished difference Result 139 states and 141 transitions. [2018-07-23 13:45:59,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:45:59,537 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 90 [2018-07-23 13:45:59,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,538 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:45:59,538 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:45:59,542 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1242, Invalid=3048, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:45:59,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:45:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:45:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:45:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2018-07-23 13:45:59,554 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 90 [2018-07-23 13:45:59,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,554 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2018-07-23 13:45:59,554 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:45:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-07-23 13:45:59,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:45:59,555 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,556 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 22, 21, 1, 1, 1, 1] [2018-07-23 13:45:59,556 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1552661773, now seen corresponding path program 33 times [2018-07-23 13:45:59,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,676 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,676 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:45:59,676 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,676 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 13:45:59,676 INFO L185 omatonBuilderFactory]: Interpolants [9423#true, 9424#false, 9425#(<= 0 ULTIMATE.start_main_~k~5), 9426#(<= 1 ULTIMATE.start_main_~k~5), 9427#(<= 2 ULTIMATE.start_main_~k~5), 9428#(<= 3 ULTIMATE.start_main_~k~5), 9429#(<= 4 ULTIMATE.start_main_~k~5), 9430#(<= 5 ULTIMATE.start_main_~k~5), 9431#(<= 6 ULTIMATE.start_main_~k~5), 9432#(<= 7 ULTIMATE.start_main_~k~5), 9433#(<= 8 ULTIMATE.start_main_~k~5), 9434#(<= 9 ULTIMATE.start_main_~k~5), 9435#(<= 10 ULTIMATE.start_main_~k~5), 9436#(<= 11 ULTIMATE.start_main_~k~5), 9437#(<= 12 ULTIMATE.start_main_~k~5), 9438#(<= 13 ULTIMATE.start_main_~k~5), 9439#(<= 14 ULTIMATE.start_main_~k~5), 9440#(<= 15 ULTIMATE.start_main_~k~5), 9441#(<= 16 ULTIMATE.start_main_~k~5), 9442#(<= 17 ULTIMATE.start_main_~k~5), 9443#(<= 18 ULTIMATE.start_main_~k~5), 9444#(<= 19 ULTIMATE.start_main_~k~5), 9445#(<= 20 ULTIMATE.start_main_~k~5), 9446#(<= 21 ULTIMATE.start_main_~k~5), 9447#(<= 22 ULTIMATE.start_main_~k~5), 9448#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 22 ULTIMATE.start_main_~k~5)), 9449#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:45:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,677 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:45:59,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:45:59,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:45:59,678 INFO L87 Difference]: Start difference. First operand 93 states and 94 transitions. Second operand 27 states. [2018-07-23 13:45:59,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,784 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2018-07-23 13:45:59,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:45:59,785 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 92 [2018-07-23 13:45:59,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,786 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:45:59,786 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:45:59,787 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=926, Invalid=1524, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:45:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:45:59,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:45:59,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:45:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 98 transitions. [2018-07-23 13:45:59,797 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 98 transitions. Word has length 92 [2018-07-23 13:45:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,797 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 98 transitions. [2018-07-23 13:45:59,797 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:45:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-07-23 13:45:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:45:59,798 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,798 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 23, 22, 1, 1, 1, 1] [2018-07-23 13:45:59,799 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2078536679, now seen corresponding path program 34 times [2018-07-23 13:45:59,799 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,031 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:00,031 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:46:00,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:00,032 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 13:46:00,032 INFO L185 omatonBuilderFactory]: Interpolants [9920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 9921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 9922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 9923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 9924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 9925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 9926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 9927#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 9928#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 9929#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 9930#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 9931#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 9932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 9933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 9934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 9935#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 9888#true, 9889#false, 9890#(<= ULTIMATE.start_main_~i~5 0), 9891#(<= ULTIMATE.start_main_~i~5 1), 9892#(<= ULTIMATE.start_main_~i~5 2), 9893#(<= ULTIMATE.start_main_~i~5 3), 9894#(<= ULTIMATE.start_main_~i~5 4), 9895#(<= ULTIMATE.start_main_~i~5 5), 9896#(<= ULTIMATE.start_main_~i~5 6), 9897#(<= ULTIMATE.start_main_~i~5 7), 9898#(<= ULTIMATE.start_main_~i~5 8), 9899#(<= ULTIMATE.start_main_~i~5 9), 9900#(<= ULTIMATE.start_main_~i~5 10), 9901#(<= ULTIMATE.start_main_~i~5 11), 9902#(<= ULTIMATE.start_main_~i~5 12), 9903#(<= ULTIMATE.start_main_~i~5 13), 9904#(<= ULTIMATE.start_main_~i~5 14), 9905#(<= ULTIMATE.start_main_~i~5 15), 9906#(<= ULTIMATE.start_main_~i~5 16), 9907#(<= ULTIMATE.start_main_~i~5 17), 9908#(<= ULTIMATE.start_main_~i~5 18), 9909#(<= ULTIMATE.start_main_~i~5 19), 9910#(<= ULTIMATE.start_main_~i~5 20), 9911#(<= ULTIMATE.start_main_~i~5 21), 9912#(<= ULTIMATE.start_main_~i~5 22), 9913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 9914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 9915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 9916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 9917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 9918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 9919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16))] [2018-07-23 13:46:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,033 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:46:00,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:46:00,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:46:00,034 INFO L87 Difference]: Start difference. First operand 97 states and 98 transitions. Second operand 48 states. [2018-07-23 13:46:00,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:00,229 INFO L93 Difference]: Finished difference Result 149 states and 151 transitions. [2018-07-23 13:46:00,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:46:00,229 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 96 [2018-07-23 13:46:00,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:00,230 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:46:00,230 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:46:00,232 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1380, Invalid=3450, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:46:00,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:46:00,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:46:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:46:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2018-07-23 13:46:00,243 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 100 transitions. Word has length 96 [2018-07-23 13:46:00,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:00,244 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 100 transitions. [2018-07-23 13:46:00,244 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:46:00,244 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-07-23 13:46:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:46:00,245 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:00,245 INFO L357 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 1, 1, 1, 1] [2018-07-23 13:46:00,245 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:00,246 INFO L82 PathProgramCache]: Analyzing trace with hash 224399075, now seen corresponding path program 35 times [2018-07-23 13:46:00,246 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,479 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:00,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:46:00,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:00,480 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 13:46:00,480 INFO L185 omatonBuilderFactory]: Interpolants [10496#(<= ULTIMATE.start_main_~i~5 18), 10497#(<= ULTIMATE.start_main_~i~5 19), 10498#(<= ULTIMATE.start_main_~i~5 20), 10499#(<= ULTIMATE.start_main_~i~5 21), 10500#(<= ULTIMATE.start_main_~i~5 22), 10501#(<= ULTIMATE.start_main_~i~5 23), 10502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 10503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 10504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 10505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 10506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 10507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 10508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 10509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 10510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 10511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 10512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 10513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 10514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 10515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 10516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 10517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 10518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 10519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 10520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 10521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 10522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 10523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 10524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 10476#true, 10477#false, 10478#(<= ULTIMATE.start_main_~i~5 0), 10479#(<= ULTIMATE.start_main_~i~5 1), 10480#(<= ULTIMATE.start_main_~i~5 2), 10481#(<= ULTIMATE.start_main_~i~5 3), 10482#(<= ULTIMATE.start_main_~i~5 4), 10483#(<= ULTIMATE.start_main_~i~5 5), 10484#(<= ULTIMATE.start_main_~i~5 6), 10485#(<= ULTIMATE.start_main_~i~5 7), 10486#(<= ULTIMATE.start_main_~i~5 8), 10487#(<= ULTIMATE.start_main_~i~5 9), 10488#(<= ULTIMATE.start_main_~i~5 10), 10489#(<= ULTIMATE.start_main_~i~5 11), 10490#(<= ULTIMATE.start_main_~i~5 12), 10491#(<= ULTIMATE.start_main_~i~5 13), 10492#(<= ULTIMATE.start_main_~i~5 14), 10493#(<= ULTIMATE.start_main_~i~5 15), 10494#(<= ULTIMATE.start_main_~i~5 16), 10495#(<= ULTIMATE.start_main_~i~5 17)] [2018-07-23 13:46:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,481 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:46:00,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:46:00,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=1728, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:46:00,486 INFO L87 Difference]: Start difference. First operand 99 states and 100 transitions. Second operand 49 states. [2018-07-23 13:46:00,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:00,662 INFO L93 Difference]: Finished difference Result 151 states and 153 transitions. [2018-07-23 13:46:00,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:46:00,662 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 98 [2018-07-23 13:46:00,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:00,663 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:46:00,663 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:46:00,665 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1475, Invalid=3637, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:46:00,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:46:00,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:46:00,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:46:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 102 transitions. [2018-07-23 13:46:00,677 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 102 transitions. Word has length 98 [2018-07-23 13:46:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:00,677 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 102 transitions. [2018-07-23 13:46:00,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:46:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-07-23 13:46:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:46:00,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:00,678 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 24, 23, 1, 1, 1, 1] [2018-07-23 13:46:00,678 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:00,679 INFO L82 PathProgramCache]: Analyzing trace with hash 809589471, now seen corresponding path program 36 times [2018-07-23 13:46:00,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,816 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:00,816 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:46:00,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:00,817 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 13:46:00,817 INFO L185 omatonBuilderFactory]: Interpolants [11075#true, 11076#false, 11077#(<= 0 ULTIMATE.start_main_~k~5), 11078#(<= 1 ULTIMATE.start_main_~k~5), 11079#(<= 2 ULTIMATE.start_main_~k~5), 11080#(<= 3 ULTIMATE.start_main_~k~5), 11081#(<= 4 ULTIMATE.start_main_~k~5), 11082#(<= 5 ULTIMATE.start_main_~k~5), 11083#(<= 6 ULTIMATE.start_main_~k~5), 11084#(<= 7 ULTIMATE.start_main_~k~5), 11085#(<= 8 ULTIMATE.start_main_~k~5), 11086#(<= 9 ULTIMATE.start_main_~k~5), 11087#(<= 10 ULTIMATE.start_main_~k~5), 11088#(<= 11 ULTIMATE.start_main_~k~5), 11089#(<= 12 ULTIMATE.start_main_~k~5), 11090#(<= 13 ULTIMATE.start_main_~k~5), 11091#(<= 14 ULTIMATE.start_main_~k~5), 11092#(<= 15 ULTIMATE.start_main_~k~5), 11093#(<= 16 ULTIMATE.start_main_~k~5), 11094#(<= 17 ULTIMATE.start_main_~k~5), 11095#(<= 18 ULTIMATE.start_main_~k~5), 11096#(<= 19 ULTIMATE.start_main_~k~5), 11097#(<= 20 ULTIMATE.start_main_~k~5), 11098#(<= 21 ULTIMATE.start_main_~k~5), 11099#(<= 22 ULTIMATE.start_main_~k~5), 11100#(<= 23 ULTIMATE.start_main_~k~5), 11101#(<= 24 ULTIMATE.start_main_~k~5), 11102#(and (<= 24 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 11103#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,818 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:46:00,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:46:00,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:46:00,819 INFO L87 Difference]: Start difference. First operand 101 states and 102 transitions. Second operand 29 states. [2018-07-23 13:46:00,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:00,961 INFO L93 Difference]: Finished difference Result 107 states and 109 transitions. [2018-07-23 13:46:00,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:46:00,961 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 100 [2018-07-23 13:46:00,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:00,962 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:46:00,963 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:46:00,964 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1081, Invalid=1781, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:46:00,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:46:00,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:46:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:46:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 106 transitions. [2018-07-23 13:46:00,978 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 106 transitions. Word has length 100 [2018-07-23 13:46:00,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:00,979 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 106 transitions. [2018-07-23 13:46:00,979 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:46:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-07-23 13:46:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:46:00,980 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:00,981 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 25, 24, 1, 1, 1, 1] [2018-07-23 13:46:00,981 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:00,981 INFO L82 PathProgramCache]: Analyzing trace with hash 726349267, now seen corresponding path program 37 times [2018-07-23 13:46:00,981 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,261 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:01,261 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:46:01,262 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:01,262 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 13:46:01,263 INFO L185 omatonBuilderFactory]: Interpolants [11578#true, 11579#false, 11580#(<= ULTIMATE.start_main_~i~5 0), 11581#(<= ULTIMATE.start_main_~i~5 1), 11582#(<= ULTIMATE.start_main_~i~5 2), 11583#(<= ULTIMATE.start_main_~i~5 3), 11584#(<= ULTIMATE.start_main_~i~5 4), 11585#(<= ULTIMATE.start_main_~i~5 5), 11586#(<= ULTIMATE.start_main_~i~5 6), 11587#(<= ULTIMATE.start_main_~i~5 7), 11588#(<= ULTIMATE.start_main_~i~5 8), 11589#(<= ULTIMATE.start_main_~i~5 9), 11590#(<= ULTIMATE.start_main_~i~5 10), 11591#(<= ULTIMATE.start_main_~i~5 11), 11592#(<= ULTIMATE.start_main_~i~5 12), 11593#(<= ULTIMATE.start_main_~i~5 13), 11594#(<= ULTIMATE.start_main_~i~5 14), 11595#(<= ULTIMATE.start_main_~i~5 15), 11596#(<= ULTIMATE.start_main_~i~5 16), 11597#(<= ULTIMATE.start_main_~i~5 17), 11598#(<= ULTIMATE.start_main_~i~5 18), 11599#(<= ULTIMATE.start_main_~i~5 19), 11600#(<= ULTIMATE.start_main_~i~5 20), 11601#(<= ULTIMATE.start_main_~i~5 21), 11602#(<= ULTIMATE.start_main_~i~5 22), 11603#(<= ULTIMATE.start_main_~i~5 23), 11604#(<= ULTIMATE.start_main_~i~5 24), 11605#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 11606#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 11607#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 11608#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 11609#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 11610#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 11611#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 11612#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 11613#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 11614#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 11615#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 11616#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 11617#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 11618#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 11619#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 11620#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 11621#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 11622#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 11623#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 11624#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 11625#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 11626#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 11627#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 11628#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 11629#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,263 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:46:01,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:46:01,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=701, Invalid=1951, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:46:01,265 INFO L87 Difference]: Start difference. First operand 105 states and 106 transitions. Second operand 52 states. [2018-07-23 13:46:01,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:01,526 INFO L93 Difference]: Finished difference Result 161 states and 163 transitions. [2018-07-23 13:46:01,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:46:01,526 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 104 [2018-07-23 13:46:01,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:01,527 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:46:01,527 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:46:01,529 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1625, Invalid=4075, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:46:01,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:46:01,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:46:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:46:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 108 transitions. [2018-07-23 13:46:01,541 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 108 transitions. Word has length 104 [2018-07-23 13:46:01,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:01,541 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 108 transitions. [2018-07-23 13:46:01,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:46:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-07-23 13:46:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:46:01,543 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:01,543 INFO L357 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 1, 1, 1, 1] [2018-07-23 13:46:01,543 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:01,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1735038159, now seen corresponding path program 38 times [2018-07-23 13:46:01,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,756 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:01,756 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:46:01,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:01,756 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 13:46:01,757 INFO L185 omatonBuilderFactory]: Interpolants [12214#true, 12215#false, 12216#(<= ULTIMATE.start_main_~i~5 0), 12217#(<= ULTIMATE.start_main_~i~5 1), 12218#(<= ULTIMATE.start_main_~i~5 2), 12219#(<= ULTIMATE.start_main_~i~5 3), 12220#(<= ULTIMATE.start_main_~i~5 4), 12221#(<= ULTIMATE.start_main_~i~5 5), 12222#(<= ULTIMATE.start_main_~i~5 6), 12223#(<= ULTIMATE.start_main_~i~5 7), 12224#(<= ULTIMATE.start_main_~i~5 8), 12225#(<= ULTIMATE.start_main_~i~5 9), 12226#(<= ULTIMATE.start_main_~i~5 10), 12227#(<= ULTIMATE.start_main_~i~5 11), 12228#(<= ULTIMATE.start_main_~i~5 12), 12229#(<= ULTIMATE.start_main_~i~5 13), 12230#(<= ULTIMATE.start_main_~i~5 14), 12231#(<= ULTIMATE.start_main_~i~5 15), 12232#(<= ULTIMATE.start_main_~i~5 16), 12233#(<= ULTIMATE.start_main_~i~5 17), 12234#(<= ULTIMATE.start_main_~i~5 18), 12235#(<= ULTIMATE.start_main_~i~5 19), 12236#(<= ULTIMATE.start_main_~i~5 20), 12237#(<= ULTIMATE.start_main_~i~5 21), 12238#(<= ULTIMATE.start_main_~i~5 22), 12239#(<= ULTIMATE.start_main_~i~5 23), 12240#(<= ULTIMATE.start_main_~i~5 24), 12241#(<= ULTIMATE.start_main_~i~5 25), 12242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 12243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 12244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 12245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 12246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 12247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 12248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 12249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 12250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 12251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 12252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 12253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 12254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 12255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 12256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 12257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 12258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 12259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 12260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 12261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 12262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 12263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 12264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 12265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 12266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,757 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:46:01,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:46:01,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=2028, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:46:01,759 INFO L87 Difference]: Start difference. First operand 107 states and 108 transitions. Second operand 53 states. [2018-07-23 13:46:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:01,960 INFO L93 Difference]: Finished difference Result 163 states and 165 transitions. [2018-07-23 13:46:01,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:46:01,960 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 106 [2018-07-23 13:46:01,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:01,961 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:46:01,962 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:46:01,963 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 901 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1728, Invalid=4278, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:46:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:46:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:46:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:46:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 110 transitions. [2018-07-23 13:46:01,977 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 110 transitions. Word has length 106 [2018-07-23 13:46:01,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:01,977 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 110 transitions. [2018-07-23 13:46:01,977 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:46:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-07-23 13:46:01,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:46:01,978 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:01,978 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 26, 25, 1, 1, 1, 1] [2018-07-23 13:46:01,979 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:01,979 INFO L82 PathProgramCache]: Analyzing trace with hash 422454475, now seen corresponding path program 39 times [2018-07-23 13:46:01,979 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,115 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,115 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:46:02,115 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,116 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 13:46:02,116 INFO L185 omatonBuilderFactory]: Interpolants [12864#(<= 1 ULTIMATE.start_main_~k~5), 12865#(<= 2 ULTIMATE.start_main_~k~5), 12866#(<= 3 ULTIMATE.start_main_~k~5), 12867#(<= 4 ULTIMATE.start_main_~k~5), 12868#(<= 5 ULTIMATE.start_main_~k~5), 12869#(<= 6 ULTIMATE.start_main_~k~5), 12870#(<= 7 ULTIMATE.start_main_~k~5), 12871#(<= 8 ULTIMATE.start_main_~k~5), 12872#(<= 9 ULTIMATE.start_main_~k~5), 12873#(<= 10 ULTIMATE.start_main_~k~5), 12874#(<= 11 ULTIMATE.start_main_~k~5), 12875#(<= 12 ULTIMATE.start_main_~k~5), 12876#(<= 13 ULTIMATE.start_main_~k~5), 12877#(<= 14 ULTIMATE.start_main_~k~5), 12878#(<= 15 ULTIMATE.start_main_~k~5), 12879#(<= 16 ULTIMATE.start_main_~k~5), 12880#(<= 17 ULTIMATE.start_main_~k~5), 12881#(<= 18 ULTIMATE.start_main_~k~5), 12882#(<= 19 ULTIMATE.start_main_~k~5), 12883#(<= 20 ULTIMATE.start_main_~k~5), 12884#(<= 21 ULTIMATE.start_main_~k~5), 12885#(<= 22 ULTIMATE.start_main_~k~5), 12886#(<= 23 ULTIMATE.start_main_~k~5), 12887#(<= 24 ULTIMATE.start_main_~k~5), 12888#(<= 25 ULTIMATE.start_main_~k~5), 12889#(<= 26 ULTIMATE.start_main_~k~5), 12890#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 26 ULTIMATE.start_main_~k~5)), 12891#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 12861#true, 12862#false, 12863#(<= 0 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,117 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:46:02,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:46:02,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:46:02,118 INFO L87 Difference]: Start difference. First operand 109 states and 110 transitions. Second operand 31 states. [2018-07-23 13:46:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:02,241 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2018-07-23 13:46:02,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:46:02,241 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 108 [2018-07-23 13:46:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:02,242 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:46:02,242 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:46:02,244 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1248, Invalid=2058, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:46:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:46:02,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:46:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:46:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 114 transitions. [2018-07-23 13:46:02,257 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 114 transitions. Word has length 108 [2018-07-23 13:46:02,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:02,257 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 114 transitions. [2018-07-23 13:46:02,257 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:46:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-07-23 13:46:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:46:02,258 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:02,259 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 27, 26, 1, 1, 1, 1] [2018-07-23 13:46:02,259 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:02,259 INFO L82 PathProgramCache]: Analyzing trace with hash -609670721, now seen corresponding path program 40 times [2018-07-23 13:46:02,259 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,491 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:46:02,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,491 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 13:46:02,492 INFO L185 omatonBuilderFactory]: Interpolants [13440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 13441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 13442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 13443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 13444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 13445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 13446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 13447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 13448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 13449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 13450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 13451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 13452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 13453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 13454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 13455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 13456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 13457#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 13402#true, 13403#false, 13404#(<= ULTIMATE.start_main_~i~5 0), 13405#(<= ULTIMATE.start_main_~i~5 1), 13406#(<= ULTIMATE.start_main_~i~5 2), 13407#(<= ULTIMATE.start_main_~i~5 3), 13408#(<= ULTIMATE.start_main_~i~5 4), 13409#(<= ULTIMATE.start_main_~i~5 5), 13410#(<= ULTIMATE.start_main_~i~5 6), 13411#(<= ULTIMATE.start_main_~i~5 7), 13412#(<= ULTIMATE.start_main_~i~5 8), 13413#(<= ULTIMATE.start_main_~i~5 9), 13414#(<= ULTIMATE.start_main_~i~5 10), 13415#(<= ULTIMATE.start_main_~i~5 11), 13416#(<= ULTIMATE.start_main_~i~5 12), 13417#(<= ULTIMATE.start_main_~i~5 13), 13418#(<= ULTIMATE.start_main_~i~5 14), 13419#(<= ULTIMATE.start_main_~i~5 15), 13420#(<= ULTIMATE.start_main_~i~5 16), 13421#(<= ULTIMATE.start_main_~i~5 17), 13422#(<= ULTIMATE.start_main_~i~5 18), 13423#(<= ULTIMATE.start_main_~i~5 19), 13424#(<= ULTIMATE.start_main_~i~5 20), 13425#(<= ULTIMATE.start_main_~i~5 21), 13426#(<= ULTIMATE.start_main_~i~5 22), 13427#(<= ULTIMATE.start_main_~i~5 23), 13428#(<= ULTIMATE.start_main_~i~5 24), 13429#(<= ULTIMATE.start_main_~i~5 25), 13430#(<= ULTIMATE.start_main_~i~5 26), 13431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 13432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 13433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 13434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 13435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 13436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 13437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 13438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 13439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18))] [2018-07-23 13:46:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:46:02,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:46:02,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=811, Invalid=2269, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:46:02,494 INFO L87 Difference]: Start difference. First operand 113 states and 114 transitions. Second operand 56 states. [2018-07-23 13:46:02,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:02,698 INFO L93 Difference]: Finished difference Result 173 states and 175 transitions. [2018-07-23 13:46:02,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:46:02,698 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 112 [2018-07-23 13:46:02,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:02,699 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:46:02,699 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:46:02,701 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1890, Invalid=4752, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:46:02,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:46:02,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:46:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:46:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2018-07-23 13:46:02,714 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 112 [2018-07-23 13:46:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:02,715 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2018-07-23 13:46:02,715 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:46:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-07-23 13:46:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:46:02,716 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:02,716 INFO L357 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 1, 1, 1, 1] [2018-07-23 13:46:02,716 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:02,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1662530373, now seen corresponding path program 41 times [2018-07-23 13:46:02,717 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,951 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,951 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:46:02,951 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,951 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 13:46:02,952 INFO L185 omatonBuilderFactory]: Interpolants [14086#true, 14087#false, 14088#(<= ULTIMATE.start_main_~i~5 0), 14089#(<= ULTIMATE.start_main_~i~5 1), 14090#(<= ULTIMATE.start_main_~i~5 2), 14091#(<= ULTIMATE.start_main_~i~5 3), 14092#(<= ULTIMATE.start_main_~i~5 4), 14093#(<= ULTIMATE.start_main_~i~5 5), 14094#(<= ULTIMATE.start_main_~i~5 6), 14095#(<= ULTIMATE.start_main_~i~5 7), 14096#(<= ULTIMATE.start_main_~i~5 8), 14097#(<= ULTIMATE.start_main_~i~5 9), 14098#(<= ULTIMATE.start_main_~i~5 10), 14099#(<= ULTIMATE.start_main_~i~5 11), 14100#(<= ULTIMATE.start_main_~i~5 12), 14101#(<= ULTIMATE.start_main_~i~5 13), 14102#(<= ULTIMATE.start_main_~i~5 14), 14103#(<= ULTIMATE.start_main_~i~5 15), 14104#(<= ULTIMATE.start_main_~i~5 16), 14105#(<= ULTIMATE.start_main_~i~5 17), 14106#(<= ULTIMATE.start_main_~i~5 18), 14107#(<= ULTIMATE.start_main_~i~5 19), 14108#(<= ULTIMATE.start_main_~i~5 20), 14109#(<= ULTIMATE.start_main_~i~5 21), 14110#(<= ULTIMATE.start_main_~i~5 22), 14111#(<= ULTIMATE.start_main_~i~5 23), 14112#(<= ULTIMATE.start_main_~i~5 24), 14113#(<= ULTIMATE.start_main_~i~5 25), 14114#(<= ULTIMATE.start_main_~i~5 26), 14115#(<= ULTIMATE.start_main_~i~5 27), 14116#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 14117#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 14118#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 14119#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 14120#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 14121#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 14122#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 14123#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 14124#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 14125#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 14126#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 14127#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 14128#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 14129#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 14130#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 14131#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 14132#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 14133#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 14134#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 14135#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 14136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 14137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 14138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 14139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 14140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 14141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 14142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,952 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:46:02,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:46:02,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=840, Invalid=2352, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:46:02,954 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 57 states. [2018-07-23 13:46:03,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:03,167 INFO L93 Difference]: Finished difference Result 175 states and 177 transitions. [2018-07-23 13:46:03,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:46:03,167 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 114 [2018-07-23 13:46:03,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:03,168 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:46:03,168 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:46:03,170 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1054 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2001, Invalid=4971, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:46:03,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:46:03,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:46:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:46:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 118 transitions. [2018-07-23 13:46:03,184 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 118 transitions. Word has length 114 [2018-07-23 13:46:03,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:03,185 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 118 transitions. [2018-07-23 13:46:03,185 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:46:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-07-23 13:46:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:46:03,186 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:03,186 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 28, 27, 1, 1, 1, 1] [2018-07-23 13:46:03,186 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:03,186 INFO L82 PathProgramCache]: Analyzing trace with hash 151625911, now seen corresponding path program 42 times [2018-07-23 13:46:03,187 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,327 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:03,327 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:46:03,328 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:03,328 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 13:46:03,328 INFO L185 omatonBuilderFactory]: Interpolants [14784#(<= 1 ULTIMATE.start_main_~k~5), 14785#(<= 2 ULTIMATE.start_main_~k~5), 14786#(<= 3 ULTIMATE.start_main_~k~5), 14787#(<= 4 ULTIMATE.start_main_~k~5), 14788#(<= 5 ULTIMATE.start_main_~k~5), 14789#(<= 6 ULTIMATE.start_main_~k~5), 14790#(<= 7 ULTIMATE.start_main_~k~5), 14791#(<= 8 ULTIMATE.start_main_~k~5), 14792#(<= 9 ULTIMATE.start_main_~k~5), 14793#(<= 10 ULTIMATE.start_main_~k~5), 14794#(<= 11 ULTIMATE.start_main_~k~5), 14795#(<= 12 ULTIMATE.start_main_~k~5), 14796#(<= 13 ULTIMATE.start_main_~k~5), 14797#(<= 14 ULTIMATE.start_main_~k~5), 14798#(<= 15 ULTIMATE.start_main_~k~5), 14799#(<= 16 ULTIMATE.start_main_~k~5), 14800#(<= 17 ULTIMATE.start_main_~k~5), 14801#(<= 18 ULTIMATE.start_main_~k~5), 14802#(<= 19 ULTIMATE.start_main_~k~5), 14803#(<= 20 ULTIMATE.start_main_~k~5), 14804#(<= 21 ULTIMATE.start_main_~k~5), 14805#(<= 22 ULTIMATE.start_main_~k~5), 14806#(<= 23 ULTIMATE.start_main_~k~5), 14807#(<= 24 ULTIMATE.start_main_~k~5), 14808#(<= 25 ULTIMATE.start_main_~k~5), 14809#(<= 26 ULTIMATE.start_main_~k~5), 14810#(<= 27 ULTIMATE.start_main_~k~5), 14811#(<= 28 ULTIMATE.start_main_~k~5), 14812#(and (<= 28 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 14813#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 14781#true, 14782#false, 14783#(<= 0 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,329 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:46:03,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:46:03,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:46:03,330 INFO L87 Difference]: Start difference. First operand 117 states and 118 transitions. Second operand 33 states. [2018-07-23 13:46:03,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:03,459 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2018-07-23 13:46:03,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:46:03,460 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 116 [2018-07-23 13:46:03,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:03,461 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:46:03,461 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:46:03,462 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1427, Invalid=2355, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:46:03,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:46:03,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:46:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:46:03,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2018-07-23 13:46:03,475 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 116 [2018-07-23 13:46:03,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:03,476 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2018-07-23 13:46:03,476 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:46:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-07-23 13:46:03,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:46:03,477 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:03,477 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 29, 28, 1, 1, 1, 1] [2018-07-23 13:46:03,477 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:03,477 INFO L82 PathProgramCache]: Analyzing trace with hash 944557995, now seen corresponding path program 43 times [2018-07-23 13:46:03,477 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:03,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,739 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:03,740 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:46:03,740 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:03,740 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 13:46:03,741 INFO L185 omatonBuilderFactory]: Interpolants [15360#true, 15361#false, 15362#(<= ULTIMATE.start_main_~i~5 0), 15363#(<= ULTIMATE.start_main_~i~5 1), 15364#(<= ULTIMATE.start_main_~i~5 2), 15365#(<= ULTIMATE.start_main_~i~5 3), 15366#(<= ULTIMATE.start_main_~i~5 4), 15367#(<= ULTIMATE.start_main_~i~5 5), 15368#(<= ULTIMATE.start_main_~i~5 6), 15369#(<= ULTIMATE.start_main_~i~5 7), 15370#(<= ULTIMATE.start_main_~i~5 8), 15371#(<= ULTIMATE.start_main_~i~5 9), 15372#(<= ULTIMATE.start_main_~i~5 10), 15373#(<= ULTIMATE.start_main_~i~5 11), 15374#(<= ULTIMATE.start_main_~i~5 12), 15375#(<= ULTIMATE.start_main_~i~5 13), 15376#(<= ULTIMATE.start_main_~i~5 14), 15377#(<= ULTIMATE.start_main_~i~5 15), 15378#(<= ULTIMATE.start_main_~i~5 16), 15379#(<= ULTIMATE.start_main_~i~5 17), 15380#(<= ULTIMATE.start_main_~i~5 18), 15381#(<= ULTIMATE.start_main_~i~5 19), 15382#(<= ULTIMATE.start_main_~i~5 20), 15383#(<= ULTIMATE.start_main_~i~5 21), 15384#(<= ULTIMATE.start_main_~i~5 22), 15385#(<= ULTIMATE.start_main_~i~5 23), 15386#(<= ULTIMATE.start_main_~i~5 24), 15387#(<= ULTIMATE.start_main_~i~5 25), 15388#(<= ULTIMATE.start_main_~i~5 26), 15389#(<= ULTIMATE.start_main_~i~5 27), 15390#(<= ULTIMATE.start_main_~i~5 28), 15391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 15392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 15393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 15394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 15395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 15396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 15397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 15398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 15399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 15400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 15401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 15402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 15403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 15404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 15405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 15406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 15407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 15408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 15409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 15410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 15411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 15412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 15413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 15414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 15415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 15416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 15417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 15418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 15419#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,741 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:46:03,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:46:03,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=929, Invalid=2611, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:46:03,743 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand 60 states. [2018-07-23 13:46:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:04,015 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2018-07-23 13:46:04,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:46:04,015 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 120 [2018-07-23 13:46:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:04,016 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:46:04,016 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:46:04,018 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2175, Invalid=5481, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:46:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:46:04,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:46:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:46:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2018-07-23 13:46:04,036 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 120 [2018-07-23 13:46:04,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:04,036 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2018-07-23 13:46:04,036 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:46:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-07-23 13:46:04,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:46:04,038 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:04,038 INFO L357 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 1, 1, 1, 1] [2018-07-23 13:46:04,038 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:04,038 INFO L82 PathProgramCache]: Analyzing trace with hash 489076391, now seen corresponding path program 44 times [2018-07-23 13:46:04,039 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:04,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,399 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:04,399 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:46:04,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:04,400 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 13:46:04,401 INFO L185 omatonBuilderFactory]: Interpolants [16128#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 16129#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 16130#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 16131#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 16132#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 16133#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 16134#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 16135#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 16136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 16137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 16138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 16139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 16140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 16141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 16142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 16143#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 16144#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 16145#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 16146#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 16147#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 16148#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 16149#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 16150#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 16151#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 16152#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 16092#true, 16093#false, 16094#(<= ULTIMATE.start_main_~i~5 0), 16095#(<= ULTIMATE.start_main_~i~5 1), 16096#(<= ULTIMATE.start_main_~i~5 2), 16097#(<= ULTIMATE.start_main_~i~5 3), 16098#(<= ULTIMATE.start_main_~i~5 4), 16099#(<= ULTIMATE.start_main_~i~5 5), 16100#(<= ULTIMATE.start_main_~i~5 6), 16101#(<= ULTIMATE.start_main_~i~5 7), 16102#(<= ULTIMATE.start_main_~i~5 8), 16103#(<= ULTIMATE.start_main_~i~5 9), 16104#(<= ULTIMATE.start_main_~i~5 10), 16105#(<= ULTIMATE.start_main_~i~5 11), 16106#(<= ULTIMATE.start_main_~i~5 12), 16107#(<= ULTIMATE.start_main_~i~5 13), 16108#(<= ULTIMATE.start_main_~i~5 14), 16109#(<= ULTIMATE.start_main_~i~5 15), 16110#(<= ULTIMATE.start_main_~i~5 16), 16111#(<= ULTIMATE.start_main_~i~5 17), 16112#(<= ULTIMATE.start_main_~i~5 18), 16113#(<= ULTIMATE.start_main_~i~5 19), 16114#(<= ULTIMATE.start_main_~i~5 20), 16115#(<= ULTIMATE.start_main_~i~5 21), 16116#(<= ULTIMATE.start_main_~i~5 22), 16117#(<= ULTIMATE.start_main_~i~5 23), 16118#(<= ULTIMATE.start_main_~i~5 24), 16119#(<= ULTIMATE.start_main_~i~5 25), 16120#(<= ULTIMATE.start_main_~i~5 26), 16121#(<= ULTIMATE.start_main_~i~5 27), 16122#(<= ULTIMATE.start_main_~i~5 28), 16123#(<= ULTIMATE.start_main_~i~5 29), 16124#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 16125#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 16126#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 16127#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26))] [2018-07-23 13:46:04,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,401 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:46:04,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:46:04,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:46:04,403 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand 61 states. [2018-07-23 13:46:04,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:04,697 INFO L93 Difference]: Finished difference Result 187 states and 189 transitions. [2018-07-23 13:46:04,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:46:04,697 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 122 [2018-07-23 13:46:04,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:04,698 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:46:04,699 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:46:04,700 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1219 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2294, Invalid=5716, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:46:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:46:04,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:46:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:46:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 126 transitions. [2018-07-23 13:46:04,715 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 126 transitions. Word has length 122 [2018-07-23 13:46:04,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:04,716 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 126 transitions. [2018-07-23 13:46:04,716 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:46:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-07-23 13:46:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:46:04,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:04,717 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 30, 29, 1, 1, 1, 1] [2018-07-23 13:46:04,718 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:04,718 INFO L82 PathProgramCache]: Analyzing trace with hash 857919139, now seen corresponding path program 45 times [2018-07-23 13:46:04,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,895 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:04,895 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:46:04,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:04,896 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 13:46:04,896 INFO L185 omatonBuilderFactory]: Interpolants [16835#true, 16836#false, 16837#(<= 0 ULTIMATE.start_main_~k~5), 16838#(<= 1 ULTIMATE.start_main_~k~5), 16839#(<= 2 ULTIMATE.start_main_~k~5), 16840#(<= 3 ULTIMATE.start_main_~k~5), 16841#(<= 4 ULTIMATE.start_main_~k~5), 16842#(<= 5 ULTIMATE.start_main_~k~5), 16843#(<= 6 ULTIMATE.start_main_~k~5), 16844#(<= 7 ULTIMATE.start_main_~k~5), 16845#(<= 8 ULTIMATE.start_main_~k~5), 16846#(<= 9 ULTIMATE.start_main_~k~5), 16847#(<= 10 ULTIMATE.start_main_~k~5), 16848#(<= 11 ULTIMATE.start_main_~k~5), 16849#(<= 12 ULTIMATE.start_main_~k~5), 16850#(<= 13 ULTIMATE.start_main_~k~5), 16851#(<= 14 ULTIMATE.start_main_~k~5), 16852#(<= 15 ULTIMATE.start_main_~k~5), 16853#(<= 16 ULTIMATE.start_main_~k~5), 16854#(<= 17 ULTIMATE.start_main_~k~5), 16855#(<= 18 ULTIMATE.start_main_~k~5), 16856#(<= 19 ULTIMATE.start_main_~k~5), 16857#(<= 20 ULTIMATE.start_main_~k~5), 16858#(<= 21 ULTIMATE.start_main_~k~5), 16859#(<= 22 ULTIMATE.start_main_~k~5), 16860#(<= 23 ULTIMATE.start_main_~k~5), 16861#(<= 24 ULTIMATE.start_main_~k~5), 16862#(<= 25 ULTIMATE.start_main_~k~5), 16863#(<= 26 ULTIMATE.start_main_~k~5), 16864#(<= 27 ULTIMATE.start_main_~k~5), 16865#(<= 28 ULTIMATE.start_main_~k~5), 16866#(<= 29 ULTIMATE.start_main_~k~5), 16867#(<= 30 ULTIMATE.start_main_~k~5), 16868#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 30 ULTIMATE.start_main_~k~5)), 16869#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,897 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:46:04,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:46:04,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:46:04,898 INFO L87 Difference]: Start difference. First operand 125 states and 126 transitions. Second operand 35 states. [2018-07-23 13:46:05,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:05,056 INFO L93 Difference]: Finished difference Result 131 states and 133 transitions. [2018-07-23 13:46:05,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:46:05,056 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 124 [2018-07-23 13:46:05,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:05,058 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:46:05,058 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:46:05,059 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1618, Invalid=2672, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:46:05,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:46:05,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:46:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:46:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 130 transitions. [2018-07-23 13:46:05,075 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 130 transitions. Word has length 124 [2018-07-23 13:46:05,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:05,075 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 130 transitions. [2018-07-23 13:46:05,075 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:46:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-07-23 13:46:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:46:05,077 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:05,077 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 31, 30, 1, 1, 1, 1] [2018-07-23 13:46:05,077 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:05,077 INFO L82 PathProgramCache]: Analyzing trace with hash 889530263, now seen corresponding path program 46 times [2018-07-23 13:46:05,077 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,361 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:05,361 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:46:05,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:05,362 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 13:46:05,362 INFO L185 omatonBuilderFactory]: Interpolants [17452#true, 17453#false, 17454#(<= ULTIMATE.start_main_~i~5 0), 17455#(<= ULTIMATE.start_main_~i~5 1), 17456#(<= ULTIMATE.start_main_~i~5 2), 17457#(<= ULTIMATE.start_main_~i~5 3), 17458#(<= ULTIMATE.start_main_~i~5 4), 17459#(<= ULTIMATE.start_main_~i~5 5), 17460#(<= ULTIMATE.start_main_~i~5 6), 17461#(<= ULTIMATE.start_main_~i~5 7), 17462#(<= ULTIMATE.start_main_~i~5 8), 17463#(<= ULTIMATE.start_main_~i~5 9), 17464#(<= ULTIMATE.start_main_~i~5 10), 17465#(<= ULTIMATE.start_main_~i~5 11), 17466#(<= ULTIMATE.start_main_~i~5 12), 17467#(<= ULTIMATE.start_main_~i~5 13), 17468#(<= ULTIMATE.start_main_~i~5 14), 17469#(<= ULTIMATE.start_main_~i~5 15), 17470#(<= ULTIMATE.start_main_~i~5 16), 17471#(<= ULTIMATE.start_main_~i~5 17), 17472#(<= ULTIMATE.start_main_~i~5 18), 17473#(<= ULTIMATE.start_main_~i~5 19), 17474#(<= ULTIMATE.start_main_~i~5 20), 17475#(<= ULTIMATE.start_main_~i~5 21), 17476#(<= ULTIMATE.start_main_~i~5 22), 17477#(<= ULTIMATE.start_main_~i~5 23), 17478#(<= ULTIMATE.start_main_~i~5 24), 17479#(<= ULTIMATE.start_main_~i~5 25), 17480#(<= ULTIMATE.start_main_~i~5 26), 17481#(<= ULTIMATE.start_main_~i~5 27), 17482#(<= ULTIMATE.start_main_~i~5 28), 17483#(<= ULTIMATE.start_main_~i~5 29), 17484#(<= ULTIMATE.start_main_~i~5 30), 17485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 17486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 17487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 17488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 17489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 17490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 17491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 17492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 17493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 17494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 17495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 17496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 17497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 17498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 17499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 17500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 17501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 17502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 17503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 17504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 17505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 17506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 17507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 17508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 17509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 17510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 17511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 17512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 17513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 17514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 17515#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:46:05,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:46:05,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1055, Invalid=2977, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:46:05,364 INFO L87 Difference]: Start difference. First operand 129 states and 130 transitions. Second operand 64 states. [2018-07-23 13:46:05,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:05,614 INFO L93 Difference]: Finished difference Result 197 states and 199 transitions. [2018-07-23 13:46:05,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:46:05,615 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 128 [2018-07-23 13:46:05,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:05,616 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:46:05,616 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:46:05,617 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2480, Invalid=6262, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:46:05,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:46:05,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:46:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:46:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 132 transitions. [2018-07-23 13:46:05,635 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 132 transitions. Word has length 128 [2018-07-23 13:46:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:05,635 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 132 transitions. [2018-07-23 13:46:05,635 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:46:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-07-23 13:46:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:46:05,636 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:05,636 INFO L357 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 1, 1, 1, 1] [2018-07-23 13:46:05,637 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:05,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1611246957, now seen corresponding path program 47 times [2018-07-23 13:46:05,637 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,920 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:05,921 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:46:05,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:05,921 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 13:46:05,922 INFO L185 omatonBuilderFactory]: Interpolants [18232#true, 18233#false, 18234#(<= ULTIMATE.start_main_~i~5 0), 18235#(<= ULTIMATE.start_main_~i~5 1), 18236#(<= ULTIMATE.start_main_~i~5 2), 18237#(<= ULTIMATE.start_main_~i~5 3), 18238#(<= ULTIMATE.start_main_~i~5 4), 18239#(<= ULTIMATE.start_main_~i~5 5), 18240#(<= ULTIMATE.start_main_~i~5 6), 18241#(<= ULTIMATE.start_main_~i~5 7), 18242#(<= ULTIMATE.start_main_~i~5 8), 18243#(<= ULTIMATE.start_main_~i~5 9), 18244#(<= ULTIMATE.start_main_~i~5 10), 18245#(<= ULTIMATE.start_main_~i~5 11), 18246#(<= ULTIMATE.start_main_~i~5 12), 18247#(<= ULTIMATE.start_main_~i~5 13), 18248#(<= ULTIMATE.start_main_~i~5 14), 18249#(<= ULTIMATE.start_main_~i~5 15), 18250#(<= ULTIMATE.start_main_~i~5 16), 18251#(<= ULTIMATE.start_main_~i~5 17), 18252#(<= ULTIMATE.start_main_~i~5 18), 18253#(<= ULTIMATE.start_main_~i~5 19), 18254#(<= ULTIMATE.start_main_~i~5 20), 18255#(<= ULTIMATE.start_main_~i~5 21), 18256#(<= ULTIMATE.start_main_~i~5 22), 18257#(<= ULTIMATE.start_main_~i~5 23), 18258#(<= ULTIMATE.start_main_~i~5 24), 18259#(<= ULTIMATE.start_main_~i~5 25), 18260#(<= ULTIMATE.start_main_~i~5 26), 18261#(<= ULTIMATE.start_main_~i~5 27), 18262#(<= ULTIMATE.start_main_~i~5 28), 18263#(<= ULTIMATE.start_main_~i~5 29), 18264#(<= ULTIMATE.start_main_~i~5 30), 18265#(<= ULTIMATE.start_main_~i~5 31), 18266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 18267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 18268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 18269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 18270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 18271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 18272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 18273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 18274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 18275#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 18276#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 18277#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 18278#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 18279#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 18280#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 18281#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 18282#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 18283#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 18284#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 18285#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 18286#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 18287#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 18288#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 18289#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 18290#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 18291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 18292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 18293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 18294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 18295#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 18296#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,922 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:46:05,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:46:05,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1088, Invalid=3072, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:46:05,925 INFO L87 Difference]: Start difference. First operand 131 states and 132 transitions. Second operand 65 states. [2018-07-23 13:46:06,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:06,187 INFO L93 Difference]: Finished difference Result 199 states and 201 transitions. [2018-07-23 13:46:06,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:46:06,187 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 130 [2018-07-23 13:46:06,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:06,188 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:46:06,188 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:46:06,190 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1396 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2607, Invalid=6513, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:46:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:46:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:46:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:46:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 134 transitions. [2018-07-23 13:46:06,207 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 134 transitions. Word has length 130 [2018-07-23 13:46:06,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:06,207 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 134 transitions. [2018-07-23 13:46:06,207 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:46:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-07-23 13:46:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:46:06,209 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:06,209 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 32, 31, 1, 1, 1, 1] [2018-07-23 13:46:06,209 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:06,210 INFO L82 PathProgramCache]: Analyzing trace with hash 323530383, now seen corresponding path program 48 times [2018-07-23 13:46:06,210 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,387 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:06,388 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:46:06,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:06,388 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 13:46:06,388 INFO L185 omatonBuilderFactory]: Interpolants [19023#true, 19024#false, 19025#(<= 0 ULTIMATE.start_main_~k~5), 19026#(<= 1 ULTIMATE.start_main_~k~5), 19027#(<= 2 ULTIMATE.start_main_~k~5), 19028#(<= 3 ULTIMATE.start_main_~k~5), 19029#(<= 4 ULTIMATE.start_main_~k~5), 19030#(<= 5 ULTIMATE.start_main_~k~5), 19031#(<= 6 ULTIMATE.start_main_~k~5), 19032#(<= 7 ULTIMATE.start_main_~k~5), 19033#(<= 8 ULTIMATE.start_main_~k~5), 19034#(<= 9 ULTIMATE.start_main_~k~5), 19035#(<= 10 ULTIMATE.start_main_~k~5), 19036#(<= 11 ULTIMATE.start_main_~k~5), 19037#(<= 12 ULTIMATE.start_main_~k~5), 19038#(<= 13 ULTIMATE.start_main_~k~5), 19039#(<= 14 ULTIMATE.start_main_~k~5), 19040#(<= 15 ULTIMATE.start_main_~k~5), 19041#(<= 16 ULTIMATE.start_main_~k~5), 19042#(<= 17 ULTIMATE.start_main_~k~5), 19043#(<= 18 ULTIMATE.start_main_~k~5), 19044#(<= 19 ULTIMATE.start_main_~k~5), 19045#(<= 20 ULTIMATE.start_main_~k~5), 19046#(<= 21 ULTIMATE.start_main_~k~5), 19047#(<= 22 ULTIMATE.start_main_~k~5), 19048#(<= 23 ULTIMATE.start_main_~k~5), 19049#(<= 24 ULTIMATE.start_main_~k~5), 19050#(<= 25 ULTIMATE.start_main_~k~5), 19051#(<= 26 ULTIMATE.start_main_~k~5), 19052#(<= 27 ULTIMATE.start_main_~k~5), 19053#(<= 28 ULTIMATE.start_main_~k~5), 19054#(<= 29 ULTIMATE.start_main_~k~5), 19055#(<= 30 ULTIMATE.start_main_~k~5), 19056#(<= 31 ULTIMATE.start_main_~k~5), 19057#(<= 32 ULTIMATE.start_main_~k~5), 19058#(and (<= 32 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 19059#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,389 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:46:06,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:46:06,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:46:06,390 INFO L87 Difference]: Start difference. First operand 133 states and 134 transitions. Second operand 37 states. [2018-07-23 13:46:06,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:06,544 INFO L93 Difference]: Finished difference Result 139 states and 141 transitions. [2018-07-23 13:46:06,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:46:06,544 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 132 [2018-07-23 13:46:06,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:06,546 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:46:06,546 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:46:06,546 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1821, Invalid=3009, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:46:06,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:46:06,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:46:06,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:46:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 138 transitions. [2018-07-23 13:46:06,563 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 138 transitions. Word has length 132 [2018-07-23 13:46:06,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:06,564 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 138 transitions. [2018-07-23 13:46:06,564 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:46:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-07-23 13:46:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:46:06,565 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:06,565 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 33, 32, 1, 1, 1, 1] [2018-07-23 13:46:06,566 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:06,566 INFO L82 PathProgramCache]: Analyzing trace with hash -836685437, now seen corresponding path program 49 times [2018-07-23 13:46:06,566 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,858 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:06,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:46:06,859 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:06,859 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 13:46:06,860 INFO L185 omatonBuilderFactory]: Interpolants [19712#(<= ULTIMATE.start_main_~i~5 32), 19713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 19714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 19715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 19716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 19717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 19718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 19719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 19720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 19721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 19722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 19723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 19724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 19725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 19726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 19727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 19728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 19729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 19730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 19731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 19732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 19733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 19734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 19735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 19736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 19737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 19738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 19739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 19740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 19741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 19742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 19743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 19744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 19745#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 19678#true, 19679#false, 19680#(<= ULTIMATE.start_main_~i~5 0), 19681#(<= ULTIMATE.start_main_~i~5 1), 19682#(<= ULTIMATE.start_main_~i~5 2), 19683#(<= ULTIMATE.start_main_~i~5 3), 19684#(<= ULTIMATE.start_main_~i~5 4), 19685#(<= ULTIMATE.start_main_~i~5 5), 19686#(<= ULTIMATE.start_main_~i~5 6), 19687#(<= ULTIMATE.start_main_~i~5 7), 19688#(<= ULTIMATE.start_main_~i~5 8), 19689#(<= ULTIMATE.start_main_~i~5 9), 19690#(<= ULTIMATE.start_main_~i~5 10), 19691#(<= ULTIMATE.start_main_~i~5 11), 19692#(<= ULTIMATE.start_main_~i~5 12), 19693#(<= ULTIMATE.start_main_~i~5 13), 19694#(<= ULTIMATE.start_main_~i~5 14), 19695#(<= ULTIMATE.start_main_~i~5 15), 19696#(<= ULTIMATE.start_main_~i~5 16), 19697#(<= ULTIMATE.start_main_~i~5 17), 19698#(<= ULTIMATE.start_main_~i~5 18), 19699#(<= ULTIMATE.start_main_~i~5 19), 19700#(<= ULTIMATE.start_main_~i~5 20), 19701#(<= ULTIMATE.start_main_~i~5 21), 19702#(<= ULTIMATE.start_main_~i~5 22), 19703#(<= ULTIMATE.start_main_~i~5 23), 19704#(<= ULTIMATE.start_main_~i~5 24), 19705#(<= ULTIMATE.start_main_~i~5 25), 19706#(<= ULTIMATE.start_main_~i~5 26), 19707#(<= ULTIMATE.start_main_~i~5 27), 19708#(<= ULTIMATE.start_main_~i~5 28), 19709#(<= ULTIMATE.start_main_~i~5 29), 19710#(<= ULTIMATE.start_main_~i~5 30), 19711#(<= ULTIMATE.start_main_~i~5 31)] [2018-07-23 13:46:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,861 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:46:06,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:46:06,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1189, Invalid=3367, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:46:06,862 INFO L87 Difference]: Start difference. First operand 137 states and 138 transitions. Second operand 68 states. [2018-07-23 13:46:07,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:07,156 INFO L93 Difference]: Finished difference Result 209 states and 211 transitions. [2018-07-23 13:46:07,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:46:07,156 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 136 [2018-07-23 13:46:07,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:07,158 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:46:07,158 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:46:07,159 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2805, Invalid=7095, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:46:07,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:46:07,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:46:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:46:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 140 transitions. [2018-07-23 13:46:07,180 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 140 transitions. Word has length 136 [2018-07-23 13:46:07,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:07,180 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 140 transitions. [2018-07-23 13:46:07,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:46:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-07-23 13:46:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:46:07,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:07,182 INFO L357 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 1, 1, 1, 1] [2018-07-23 13:46:07,183 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:07,184 INFO L82 PathProgramCache]: Analyzing trace with hash -442130305, now seen corresponding path program 50 times [2018-07-23 13:46:07,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,528 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:07,528 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:46:07,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:07,529 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 13:46:07,529 INFO L185 omatonBuilderFactory]: Interpolants [20506#true, 20507#false, 20508#(<= ULTIMATE.start_main_~i~5 0), 20509#(<= ULTIMATE.start_main_~i~5 1), 20510#(<= ULTIMATE.start_main_~i~5 2), 20511#(<= ULTIMATE.start_main_~i~5 3), 20512#(<= ULTIMATE.start_main_~i~5 4), 20513#(<= ULTIMATE.start_main_~i~5 5), 20514#(<= ULTIMATE.start_main_~i~5 6), 20515#(<= ULTIMATE.start_main_~i~5 7), 20516#(<= ULTIMATE.start_main_~i~5 8), 20517#(<= ULTIMATE.start_main_~i~5 9), 20518#(<= ULTIMATE.start_main_~i~5 10), 20519#(<= ULTIMATE.start_main_~i~5 11), 20520#(<= ULTIMATE.start_main_~i~5 12), 20521#(<= ULTIMATE.start_main_~i~5 13), 20522#(<= ULTIMATE.start_main_~i~5 14), 20523#(<= ULTIMATE.start_main_~i~5 15), 20524#(<= ULTIMATE.start_main_~i~5 16), 20525#(<= ULTIMATE.start_main_~i~5 17), 20526#(<= ULTIMATE.start_main_~i~5 18), 20527#(<= ULTIMATE.start_main_~i~5 19), 20528#(<= ULTIMATE.start_main_~i~5 20), 20529#(<= ULTIMATE.start_main_~i~5 21), 20530#(<= ULTIMATE.start_main_~i~5 22), 20531#(<= ULTIMATE.start_main_~i~5 23), 20532#(<= ULTIMATE.start_main_~i~5 24), 20533#(<= ULTIMATE.start_main_~i~5 25), 20534#(<= ULTIMATE.start_main_~i~5 26), 20535#(<= ULTIMATE.start_main_~i~5 27), 20536#(<= ULTIMATE.start_main_~i~5 28), 20537#(<= ULTIMATE.start_main_~i~5 29), 20538#(<= ULTIMATE.start_main_~i~5 30), 20539#(<= ULTIMATE.start_main_~i~5 31), 20540#(<= ULTIMATE.start_main_~i~5 32), 20541#(<= ULTIMATE.start_main_~i~5 33), 20542#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 20543#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 20544#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 20545#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 20546#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 20547#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 20548#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 20549#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 20550#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 20551#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 20552#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 20553#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 20554#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 20555#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 20556#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 20557#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 20558#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 20559#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 20560#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 20561#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 20562#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 20563#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 20564#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 20565#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 20566#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 20567#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 20568#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 20569#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 20570#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 20571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 20572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 20573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 20574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,530 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:46:07,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:46:07,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=3468, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:46:07,532 INFO L87 Difference]: Start difference. First operand 139 states and 140 transitions. Second operand 69 states. [2018-07-23 13:46:07,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:07,817 INFO L93 Difference]: Finished difference Result 211 states and 213 transitions. [2018-07-23 13:46:07,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:46:07,818 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 138 [2018-07-23 13:46:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:07,819 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:46:07,819 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:46:07,821 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1585 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2940, Invalid=7362, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:46:07,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:46:07,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:46:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:46:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 142 transitions. [2018-07-23 13:46:07,839 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 142 transitions. Word has length 138 [2018-07-23 13:46:07,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:07,839 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 142 transitions. [2018-07-23 13:46:07,839 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:46:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-07-23 13:46:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:46:07,841 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:07,841 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 34, 33, 1, 1, 1, 1] [2018-07-23 13:46:07,841 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:07,841 INFO L82 PathProgramCache]: Analyzing trace with hash 768229499, now seen corresponding path program 51 times [2018-07-23 13:46:07,842 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 1190 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,029 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:08,029 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:46:08,029 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:08,029 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 13:46:08,030 INFO L185 omatonBuilderFactory]: Interpolants [21376#(<= 29 ULTIMATE.start_main_~k~5), 21377#(<= 30 ULTIMATE.start_main_~k~5), 21378#(<= 31 ULTIMATE.start_main_~k~5), 21379#(<= 32 ULTIMATE.start_main_~k~5), 21380#(<= 33 ULTIMATE.start_main_~k~5), 21381#(<= 34 ULTIMATE.start_main_~k~5), 21382#(and (<= 34 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 21383#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 21345#true, 21346#false, 21347#(<= 0 ULTIMATE.start_main_~k~5), 21348#(<= 1 ULTIMATE.start_main_~k~5), 21349#(<= 2 ULTIMATE.start_main_~k~5), 21350#(<= 3 ULTIMATE.start_main_~k~5), 21351#(<= 4 ULTIMATE.start_main_~k~5), 21352#(<= 5 ULTIMATE.start_main_~k~5), 21353#(<= 6 ULTIMATE.start_main_~k~5), 21354#(<= 7 ULTIMATE.start_main_~k~5), 21355#(<= 8 ULTIMATE.start_main_~k~5), 21356#(<= 9 ULTIMATE.start_main_~k~5), 21357#(<= 10 ULTIMATE.start_main_~k~5), 21358#(<= 11 ULTIMATE.start_main_~k~5), 21359#(<= 12 ULTIMATE.start_main_~k~5), 21360#(<= 13 ULTIMATE.start_main_~k~5), 21361#(<= 14 ULTIMATE.start_main_~k~5), 21362#(<= 15 ULTIMATE.start_main_~k~5), 21363#(<= 16 ULTIMATE.start_main_~k~5), 21364#(<= 17 ULTIMATE.start_main_~k~5), 21365#(<= 18 ULTIMATE.start_main_~k~5), 21366#(<= 19 ULTIMATE.start_main_~k~5), 21367#(<= 20 ULTIMATE.start_main_~k~5), 21368#(<= 21 ULTIMATE.start_main_~k~5), 21369#(<= 22 ULTIMATE.start_main_~k~5), 21370#(<= 23 ULTIMATE.start_main_~k~5), 21371#(<= 24 ULTIMATE.start_main_~k~5), 21372#(<= 25 ULTIMATE.start_main_~k~5), 21373#(<= 26 ULTIMATE.start_main_~k~5), 21374#(<= 27 ULTIMATE.start_main_~k~5), 21375#(<= 28 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 1190 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,030 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:46:08,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:46:08,031 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:46:08,031 INFO L87 Difference]: Start difference. First operand 141 states and 142 transitions. Second operand 39 states. [2018-07-23 13:46:08,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:08,198 INFO L93 Difference]: Finished difference Result 147 states and 149 transitions. [2018-07-23 13:46:08,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:46:08,198 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 140 [2018-07-23 13:46:08,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:08,200 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:46:08,200 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:46:08,201 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2036, Invalid=3366, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:46:08,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:46:08,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:46:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:46:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 146 transitions. [2018-07-23 13:46:08,217 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 146 transitions. Word has length 140 [2018-07-23 13:46:08,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:08,218 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 146 transitions. [2018-07-23 13:46:08,218 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:46:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-07-23 13:46:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:46:08,222 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:08,222 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 35, 34, 1, 1, 1, 1] [2018-07-23 13:46:08,222 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:08,223 INFO L82 PathProgramCache]: Analyzing trace with hash -932188817, now seen corresponding path program 52 times [2018-07-23 13:46:08,223 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1260 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,523 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:08,523 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:46:08,524 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:08,524 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 13:46:08,524 INFO L185 omatonBuilderFactory]: Interpolants [22038#true, 22039#false, 22040#(<= ULTIMATE.start_main_~i~5 0), 22041#(<= ULTIMATE.start_main_~i~5 1), 22042#(<= ULTIMATE.start_main_~i~5 2), 22043#(<= ULTIMATE.start_main_~i~5 3), 22044#(<= ULTIMATE.start_main_~i~5 4), 22045#(<= ULTIMATE.start_main_~i~5 5), 22046#(<= ULTIMATE.start_main_~i~5 6), 22047#(<= ULTIMATE.start_main_~i~5 7), 22048#(<= ULTIMATE.start_main_~i~5 8), 22049#(<= ULTIMATE.start_main_~i~5 9), 22050#(<= ULTIMATE.start_main_~i~5 10), 22051#(<= ULTIMATE.start_main_~i~5 11), 22052#(<= ULTIMATE.start_main_~i~5 12), 22053#(<= ULTIMATE.start_main_~i~5 13), 22054#(<= ULTIMATE.start_main_~i~5 14), 22055#(<= ULTIMATE.start_main_~i~5 15), 22056#(<= ULTIMATE.start_main_~i~5 16), 22057#(<= ULTIMATE.start_main_~i~5 17), 22058#(<= ULTIMATE.start_main_~i~5 18), 22059#(<= ULTIMATE.start_main_~i~5 19), 22060#(<= ULTIMATE.start_main_~i~5 20), 22061#(<= ULTIMATE.start_main_~i~5 21), 22062#(<= ULTIMATE.start_main_~i~5 22), 22063#(<= ULTIMATE.start_main_~i~5 23), 22064#(<= ULTIMATE.start_main_~i~5 24), 22065#(<= ULTIMATE.start_main_~i~5 25), 22066#(<= ULTIMATE.start_main_~i~5 26), 22067#(<= ULTIMATE.start_main_~i~5 27), 22068#(<= ULTIMATE.start_main_~i~5 28), 22069#(<= ULTIMATE.start_main_~i~5 29), 22070#(<= ULTIMATE.start_main_~i~5 30), 22071#(<= ULTIMATE.start_main_~i~5 31), 22072#(<= ULTIMATE.start_main_~i~5 32), 22073#(<= ULTIMATE.start_main_~i~5 33), 22074#(<= ULTIMATE.start_main_~i~5 34), 22075#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 22076#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 22077#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 22078#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 22079#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 22080#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 22081#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 22082#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 22083#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 22084#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 22085#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 22086#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 22087#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 22088#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 22089#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 22090#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 22091#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 22092#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 22093#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 22094#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 22095#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 22096#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 22097#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 22098#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 22099#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 22100#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 22101#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 22102#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 22103#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 22104#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 22105#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 22106#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 22107#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 22108#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 22109#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1260 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,525 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:46:08,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:46:08,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1331, Invalid=3781, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:46:08,527 INFO L87 Difference]: Start difference. First operand 145 states and 146 transitions. Second operand 72 states. [2018-07-23 13:46:08,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:08,845 INFO L93 Difference]: Finished difference Result 221 states and 223 transitions. [2018-07-23 13:46:08,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:46:08,845 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 144 [2018-07-23 13:46:08,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:08,847 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:46:08,847 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:46:08,848 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3150, Invalid=7980, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:46:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:46:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:46:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:46:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 148 transitions. [2018-07-23 13:46:08,865 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 148 transitions. Word has length 144 [2018-07-23 13:46:08,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:08,866 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 148 transitions. [2018-07-23 13:46:08,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:46:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-07-23 13:46:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:46:08,867 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:08,868 INFO L357 BasicCegarLoop]: trace histogram [36, 36, 35, 35, 1, 1, 1, 1] [2018-07-23 13:46:08,868 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:08,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1996726379, now seen corresponding path program 53 times [2018-07-23 13:46:08,868 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1260 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,198 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:09,198 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:46:09,198 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:09,199 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 13:46:09,199 INFO L185 omatonBuilderFactory]: Interpolants [22914#true, 22915#false, 22916#(<= ULTIMATE.start_main_~i~5 0), 22917#(<= ULTIMATE.start_main_~i~5 1), 22918#(<= ULTIMATE.start_main_~i~5 2), 22919#(<= ULTIMATE.start_main_~i~5 3), 22920#(<= ULTIMATE.start_main_~i~5 4), 22921#(<= ULTIMATE.start_main_~i~5 5), 22922#(<= ULTIMATE.start_main_~i~5 6), 22923#(<= ULTIMATE.start_main_~i~5 7), 22924#(<= ULTIMATE.start_main_~i~5 8), 22925#(<= ULTIMATE.start_main_~i~5 9), 22926#(<= ULTIMATE.start_main_~i~5 10), 22927#(<= ULTIMATE.start_main_~i~5 11), 22928#(<= ULTIMATE.start_main_~i~5 12), 22929#(<= ULTIMATE.start_main_~i~5 13), 22930#(<= ULTIMATE.start_main_~i~5 14), 22931#(<= ULTIMATE.start_main_~i~5 15), 22932#(<= ULTIMATE.start_main_~i~5 16), 22933#(<= ULTIMATE.start_main_~i~5 17), 22934#(<= ULTIMATE.start_main_~i~5 18), 22935#(<= ULTIMATE.start_main_~i~5 19), 22936#(<= ULTIMATE.start_main_~i~5 20), 22937#(<= ULTIMATE.start_main_~i~5 21), 22938#(<= ULTIMATE.start_main_~i~5 22), 22939#(<= ULTIMATE.start_main_~i~5 23), 22940#(<= ULTIMATE.start_main_~i~5 24), 22941#(<= ULTIMATE.start_main_~i~5 25), 22942#(<= ULTIMATE.start_main_~i~5 26), 22943#(<= ULTIMATE.start_main_~i~5 27), 22944#(<= ULTIMATE.start_main_~i~5 28), 22945#(<= ULTIMATE.start_main_~i~5 29), 22946#(<= ULTIMATE.start_main_~i~5 30), 22947#(<= ULTIMATE.start_main_~i~5 31), 22948#(<= ULTIMATE.start_main_~i~5 32), 22949#(<= ULTIMATE.start_main_~i~5 33), 22950#(<= ULTIMATE.start_main_~i~5 34), 22951#(<= ULTIMATE.start_main_~i~5 35), 22952#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 22953#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 22954#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 22955#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 22956#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 22957#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 22958#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 22959#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 22960#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 22961#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 22962#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 22963#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 22964#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 22965#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 22966#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 22967#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 22968#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 22969#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 22970#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 22971#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 22972#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 22973#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 22974#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 22975#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 22976#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 22977#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 22978#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 22979#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 22980#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 22981#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 22982#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 22983#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 22984#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 22985#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 22986#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1260 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,200 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:46:09,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:46:09,201 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1368, Invalid=3888, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:46:09,201 INFO L87 Difference]: Start difference. First operand 147 states and 148 transitions. Second operand 73 states. [2018-07-23 13:46:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:09,542 INFO L93 Difference]: Finished difference Result 223 states and 225 transitions. [2018-07-23 13:46:09,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:46:09,542 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 146 [2018-07-23 13:46:09,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:09,544 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:46:09,544 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:46:09,546 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1786 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3293, Invalid=8263, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:46:09,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:46:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:46:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:46:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 150 transitions. [2018-07-23 13:46:09,564 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 150 transitions. Word has length 146 [2018-07-23 13:46:09,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:09,564 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 150 transitions. [2018-07-23 13:46:09,564 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:46:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-07-23 13:46:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:46:09,566 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:09,566 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 36, 35, 1, 1, 1, 1] [2018-07-23 13:46:09,566 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:09,566 INFO L82 PathProgramCache]: Analyzing trace with hash -814316441, now seen corresponding path program 54 times [2018-07-23 13:46:09,566 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 1332 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,767 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:09,767 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:46:09,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:09,767 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 13:46:09,768 INFO L185 omatonBuilderFactory]: Interpolants [23808#(<= 5 ULTIMATE.start_main_~k~5), 23809#(<= 6 ULTIMATE.start_main_~k~5), 23810#(<= 7 ULTIMATE.start_main_~k~5), 23811#(<= 8 ULTIMATE.start_main_~k~5), 23812#(<= 9 ULTIMATE.start_main_~k~5), 23813#(<= 10 ULTIMATE.start_main_~k~5), 23814#(<= 11 ULTIMATE.start_main_~k~5), 23815#(<= 12 ULTIMATE.start_main_~k~5), 23816#(<= 13 ULTIMATE.start_main_~k~5), 23817#(<= 14 ULTIMATE.start_main_~k~5), 23818#(<= 15 ULTIMATE.start_main_~k~5), 23819#(<= 16 ULTIMATE.start_main_~k~5), 23820#(<= 17 ULTIMATE.start_main_~k~5), 23821#(<= 18 ULTIMATE.start_main_~k~5), 23822#(<= 19 ULTIMATE.start_main_~k~5), 23823#(<= 20 ULTIMATE.start_main_~k~5), 23824#(<= 21 ULTIMATE.start_main_~k~5), 23825#(<= 22 ULTIMATE.start_main_~k~5), 23826#(<= 23 ULTIMATE.start_main_~k~5), 23827#(<= 24 ULTIMATE.start_main_~k~5), 23828#(<= 25 ULTIMATE.start_main_~k~5), 23829#(<= 26 ULTIMATE.start_main_~k~5), 23830#(<= 27 ULTIMATE.start_main_~k~5), 23831#(<= 28 ULTIMATE.start_main_~k~5), 23832#(<= 29 ULTIMATE.start_main_~k~5), 23833#(<= 30 ULTIMATE.start_main_~k~5), 23834#(<= 31 ULTIMATE.start_main_~k~5), 23835#(<= 32 ULTIMATE.start_main_~k~5), 23836#(<= 33 ULTIMATE.start_main_~k~5), 23837#(<= 34 ULTIMATE.start_main_~k~5), 23838#(<= 35 ULTIMATE.start_main_~k~5), 23839#(<= 36 ULTIMATE.start_main_~k~5), 23840#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 36 ULTIMATE.start_main_~k~5)), 23841#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 23801#true, 23802#false, 23803#(<= 0 ULTIMATE.start_main_~k~5), 23804#(<= 1 ULTIMATE.start_main_~k~5), 23805#(<= 2 ULTIMATE.start_main_~k~5), 23806#(<= 3 ULTIMATE.start_main_~k~5), 23807#(<= 4 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 1332 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,768 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:46:09,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:46:09,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:46:09,769 INFO L87 Difference]: Start difference. First operand 149 states and 150 transitions. Second operand 41 states. [2018-07-23 13:46:09,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:09,957 INFO L93 Difference]: Finished difference Result 155 states and 157 transitions. [2018-07-23 13:46:09,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:46:09,958 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 148 [2018-07-23 13:46:09,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:09,962 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:46:09,963 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:46:09,964 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1369 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2263, Invalid=3743, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:46:09,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:46:09,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:46:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:46:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 154 transitions. [2018-07-23 13:46:09,985 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 154 transitions. Word has length 148 [2018-07-23 13:46:09,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:09,987 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 154 transitions. [2018-07-23 13:46:09,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:46:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-07-23 13:46:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:46:09,989 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:09,990 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 37, 36, 1, 1, 1, 1] [2018-07-23 13:46:09,990 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:09,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1900043099, now seen corresponding path program 55 times [2018-07-23 13:46:09,990 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:10,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 1406 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,435 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:10,435 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:46:10,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:10,436 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 13:46:10,437 INFO L185 omatonBuilderFactory]: Interpolants [24576#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 24577#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 24578#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 24579#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 24580#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 24581#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 24582#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 24583#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 24584#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 24585#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 24586#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 24587#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 24588#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 24589#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 24590#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 24591#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 24592#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 24593#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 24594#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 24595#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 24596#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 24597#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 24598#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 24599#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 24600#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 24601#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 24602#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 24603#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 24604#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 24605#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 24606#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 24607#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 24532#true, 24533#false, 24534#(<= ULTIMATE.start_main_~i~5 0), 24535#(<= ULTIMATE.start_main_~i~5 1), 24536#(<= ULTIMATE.start_main_~i~5 2), 24537#(<= ULTIMATE.start_main_~i~5 3), 24538#(<= ULTIMATE.start_main_~i~5 4), 24539#(<= ULTIMATE.start_main_~i~5 5), 24540#(<= ULTIMATE.start_main_~i~5 6), 24541#(<= ULTIMATE.start_main_~i~5 7), 24542#(<= ULTIMATE.start_main_~i~5 8), 24543#(<= ULTIMATE.start_main_~i~5 9), 24544#(<= ULTIMATE.start_main_~i~5 10), 24545#(<= ULTIMATE.start_main_~i~5 11), 24546#(<= ULTIMATE.start_main_~i~5 12), 24547#(<= ULTIMATE.start_main_~i~5 13), 24548#(<= ULTIMATE.start_main_~i~5 14), 24549#(<= ULTIMATE.start_main_~i~5 15), 24550#(<= ULTIMATE.start_main_~i~5 16), 24551#(<= ULTIMATE.start_main_~i~5 17), 24552#(<= ULTIMATE.start_main_~i~5 18), 24553#(<= ULTIMATE.start_main_~i~5 19), 24554#(<= ULTIMATE.start_main_~i~5 20), 24555#(<= ULTIMATE.start_main_~i~5 21), 24556#(<= ULTIMATE.start_main_~i~5 22), 24557#(<= ULTIMATE.start_main_~i~5 23), 24558#(<= ULTIMATE.start_main_~i~5 24), 24559#(<= ULTIMATE.start_main_~i~5 25), 24560#(<= ULTIMATE.start_main_~i~5 26), 24561#(<= ULTIMATE.start_main_~i~5 27), 24562#(<= ULTIMATE.start_main_~i~5 28), 24563#(<= ULTIMATE.start_main_~i~5 29), 24564#(<= ULTIMATE.start_main_~i~5 30), 24565#(<= ULTIMATE.start_main_~i~5 31), 24566#(<= ULTIMATE.start_main_~i~5 32), 24567#(<= ULTIMATE.start_main_~i~5 33), 24568#(<= ULTIMATE.start_main_~i~5 34), 24569#(<= ULTIMATE.start_main_~i~5 35), 24570#(<= ULTIMATE.start_main_~i~5 36), 24571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 24572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 24573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 24574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 24575#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32))] [2018-07-23 13:46:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 1406 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,438 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:46:10,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:46:10,439 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1481, Invalid=4219, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:46:10,439 INFO L87 Difference]: Start difference. First operand 153 states and 154 transitions. Second operand 76 states. [2018-07-23 13:46:10,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:10,821 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2018-07-23 13:46:10,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:46:10,821 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 152 [2018-07-23 13:46:10,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:10,824 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:46:10,824 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:46:10,825 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1962 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3515, Invalid=8917, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:46:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:46:10,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:46:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:46:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 156 transitions. [2018-07-23 13:46:10,844 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 156 transitions. Word has length 152 [2018-07-23 13:46:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:10,844 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 156 transitions. [2018-07-23 13:46:10,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:46:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-07-23 13:46:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:46:10,846 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:10,846 INFO L357 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 1, 1, 1, 1] [2018-07-23 13:46:10,846 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:10,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1700745815, now seen corresponding path program 56 times [2018-07-23 13:46:10,847 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1406 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,187 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:11,187 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:46:11,188 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:11,188 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 13:46:11,188 INFO L185 omatonBuilderFactory]: Interpolants [25472#(<= ULTIMATE.start_main_~i~5 14), 25473#(<= ULTIMATE.start_main_~i~5 15), 25474#(<= ULTIMATE.start_main_~i~5 16), 25475#(<= ULTIMATE.start_main_~i~5 17), 25476#(<= ULTIMATE.start_main_~i~5 18), 25477#(<= ULTIMATE.start_main_~i~5 19), 25478#(<= ULTIMATE.start_main_~i~5 20), 25479#(<= ULTIMATE.start_main_~i~5 21), 25480#(<= ULTIMATE.start_main_~i~5 22), 25481#(<= ULTIMATE.start_main_~i~5 23), 25482#(<= ULTIMATE.start_main_~i~5 24), 25483#(<= ULTIMATE.start_main_~i~5 25), 25484#(<= ULTIMATE.start_main_~i~5 26), 25485#(<= ULTIMATE.start_main_~i~5 27), 25486#(<= ULTIMATE.start_main_~i~5 28), 25487#(<= ULTIMATE.start_main_~i~5 29), 25488#(<= ULTIMATE.start_main_~i~5 30), 25489#(<= ULTIMATE.start_main_~i~5 31), 25490#(<= ULTIMATE.start_main_~i~5 32), 25491#(<= ULTIMATE.start_main_~i~5 33), 25492#(<= ULTIMATE.start_main_~i~5 34), 25493#(<= ULTIMATE.start_main_~i~5 35), 25494#(<= ULTIMATE.start_main_~i~5 36), 25495#(<= ULTIMATE.start_main_~i~5 37), 25496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 25497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 25498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 25499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 25500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 25501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 25502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 25503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 25504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 25505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 25506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 25507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 25508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 25509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 25510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 25511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 25512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 25513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 25514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 25515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 25516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 25517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 25518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 25519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 25520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 25521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 25522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 25523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 25524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 25525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 25526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 25527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 25528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 25529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 25530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 25531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 25532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 25456#true, 25457#false, 25458#(<= ULTIMATE.start_main_~i~5 0), 25459#(<= ULTIMATE.start_main_~i~5 1), 25460#(<= ULTIMATE.start_main_~i~5 2), 25461#(<= ULTIMATE.start_main_~i~5 3), 25462#(<= ULTIMATE.start_main_~i~5 4), 25463#(<= ULTIMATE.start_main_~i~5 5), 25464#(<= ULTIMATE.start_main_~i~5 6), 25465#(<= ULTIMATE.start_main_~i~5 7), 25466#(<= ULTIMATE.start_main_~i~5 8), 25467#(<= ULTIMATE.start_main_~i~5 9), 25468#(<= ULTIMATE.start_main_~i~5 10), 25469#(<= ULTIMATE.start_main_~i~5 11), 25470#(<= ULTIMATE.start_main_~i~5 12), 25471#(<= ULTIMATE.start_main_~i~5 13)] [2018-07-23 13:46:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1406 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,189 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:46:11,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:46:11,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1520, Invalid=4332, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:46:11,191 INFO L87 Difference]: Start difference. First operand 155 states and 156 transitions. Second operand 77 states. [2018-07-23 13:46:11,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:11,473 INFO L93 Difference]: Finished difference Result 235 states and 237 transitions. [2018-07-23 13:46:11,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:46:11,474 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 154 [2018-07-23 13:46:11,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:11,475 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:46:11,475 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:46:11,477 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1999 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3666, Invalid=9216, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:46:11,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:46:11,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:46:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:46:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 158 transitions. [2018-07-23 13:46:11,493 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 158 transitions. Word has length 154 [2018-07-23 13:46:11,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:11,494 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 158 transitions. [2018-07-23 13:46:11,494 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:46:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-07-23 13:46:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:46:11,495 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:11,495 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 38, 37, 1, 1, 1, 1] [2018-07-23 13:46:11,496 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:11,496 INFO L82 PathProgramCache]: Analyzing trace with hash -845383085, now seen corresponding path program 57 times [2018-07-23 13:46:11,496 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 13:46:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 1482 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,690 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:11,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:46:11,691 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:11,691 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 13:46:11,691 INFO L185 omatonBuilderFactory]: Interpolants [26432#(and (<= 38 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 26433#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 26391#true, 26392#false, 26393#(<= 0 ULTIMATE.start_main_~k~5), 26394#(<= 1 ULTIMATE.start_main_~k~5), 26395#(<= 2 ULTIMATE.start_main_~k~5), 26396#(<= 3 ULTIMATE.start_main_~k~5), 26397#(<= 4 ULTIMATE.start_main_~k~5), 26398#(<= 5 ULTIMATE.start_main_~k~5), 26399#(<= 6 ULTIMATE.start_main_~k~5), 26400#(<= 7 ULTIMATE.start_main_~k~5), 26401#(<= 8 ULTIMATE.start_main_~k~5), 26402#(<= 9 ULTIMATE.start_main_~k~5), 26403#(<= 10 ULTIMATE.start_main_~k~5), 26404#(<= 11 ULTIMATE.start_main_~k~5), 26405#(<= 12 ULTIMATE.start_main_~k~5), 26406#(<= 13 ULTIMATE.start_main_~k~5), 26407#(<= 14 ULTIMATE.start_main_~k~5), 26408#(<= 15 ULTIMATE.start_main_~k~5), 26409#(<= 16 ULTIMATE.start_main_~k~5), 26410#(<= 17 ULTIMATE.start_main_~k~5), 26411#(<= 18 ULTIMATE.start_main_~k~5), 26412#(<= 19 ULTIMATE.start_main_~k~5), 26413#(<= 20 ULTIMATE.start_main_~k~5), 26414#(<= 21 ULTIMATE.start_main_~k~5), 26415#(<= 22 ULTIMATE.start_main_~k~5), 26416#(<= 23 ULTIMATE.start_main_~k~5), 26417#(<= 24 ULTIMATE.start_main_~k~5), 26418#(<= 25 ULTIMATE.start_main_~k~5), 26419#(<= 26 ULTIMATE.start_main_~k~5), 26420#(<= 27 ULTIMATE.start_main_~k~5), 26421#(<= 28 ULTIMATE.start_main_~k~5), 26422#(<= 29 ULTIMATE.start_main_~k~5), 26423#(<= 30 ULTIMATE.start_main_~k~5), 26424#(<= 31 ULTIMATE.start_main_~k~5), 26425#(<= 32 ULTIMATE.start_main_~k~5), 26426#(<= 33 ULTIMATE.start_main_~k~5), 26427#(<= 34 ULTIMATE.start_main_~k~5), 26428#(<= 35 ULTIMATE.start_main_~k~5), 26429#(<= 36 ULTIMATE.start_main_~k~5), 26430#(<= 37 ULTIMATE.start_main_~k~5), 26431#(<= 38 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 1482 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,692 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:46:11,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:46:11,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:46:11,693 INFO L87 Difference]: Start difference. First operand 157 states and 158 transitions. Second operand 43 states. [2018-07-23 13:46:11,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:11,877 INFO L93 Difference]: Finished difference Result 163 states and 165 transitions. [2018-07-23 13:46:11,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:46:11,877 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 156 [2018-07-23 13:46:11,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:11,878 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:46:11,878 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:46:11,880 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1521 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2502, Invalid=4140, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:46:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:46:11,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:46:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:46:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 162 transitions. [2018-07-23 13:46:11,898 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 162 transitions. Word has length 156 [2018-07-23 13:46:11,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:11,898 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 162 transitions. [2018-07-23 13:46:11,898 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:46:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-07-23 13:46:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:46:11,900 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:11,900 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 39, 38, 1, 1, 1, 1] [2018-07-23 13:46:11,900 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:11,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1583446855, now seen corresponding path program 58 times [2018-07-23 13:46:11,903 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3042 backedges. 1560 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,281 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:12,282 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:46:12,282 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:12,282 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 13:46:12,283 INFO L185 omatonBuilderFactory]: Interpolants [27160#true, 27161#false, 27162#(<= ULTIMATE.start_main_~i~5 0), 27163#(<= ULTIMATE.start_main_~i~5 1), 27164#(<= ULTIMATE.start_main_~i~5 2), 27165#(<= ULTIMATE.start_main_~i~5 3), 27166#(<= ULTIMATE.start_main_~i~5 4), 27167#(<= ULTIMATE.start_main_~i~5 5), 27168#(<= ULTIMATE.start_main_~i~5 6), 27169#(<= ULTIMATE.start_main_~i~5 7), 27170#(<= ULTIMATE.start_main_~i~5 8), 27171#(<= ULTIMATE.start_main_~i~5 9), 27172#(<= ULTIMATE.start_main_~i~5 10), 27173#(<= ULTIMATE.start_main_~i~5 11), 27174#(<= ULTIMATE.start_main_~i~5 12), 27175#(<= ULTIMATE.start_main_~i~5 13), 27176#(<= ULTIMATE.start_main_~i~5 14), 27177#(<= ULTIMATE.start_main_~i~5 15), 27178#(<= ULTIMATE.start_main_~i~5 16), 27179#(<= ULTIMATE.start_main_~i~5 17), 27180#(<= ULTIMATE.start_main_~i~5 18), 27181#(<= ULTIMATE.start_main_~i~5 19), 27182#(<= ULTIMATE.start_main_~i~5 20), 27183#(<= ULTIMATE.start_main_~i~5 21), 27184#(<= ULTIMATE.start_main_~i~5 22), 27185#(<= ULTIMATE.start_main_~i~5 23), 27186#(<= ULTIMATE.start_main_~i~5 24), 27187#(<= ULTIMATE.start_main_~i~5 25), 27188#(<= ULTIMATE.start_main_~i~5 26), 27189#(<= ULTIMATE.start_main_~i~5 27), 27190#(<= ULTIMATE.start_main_~i~5 28), 27191#(<= ULTIMATE.start_main_~i~5 29), 27192#(<= ULTIMATE.start_main_~i~5 30), 27193#(<= ULTIMATE.start_main_~i~5 31), 27194#(<= ULTIMATE.start_main_~i~5 32), 27195#(<= ULTIMATE.start_main_~i~5 33), 27196#(<= ULTIMATE.start_main_~i~5 34), 27197#(<= ULTIMATE.start_main_~i~5 35), 27198#(<= ULTIMATE.start_main_~i~5 36), 27199#(<= ULTIMATE.start_main_~i~5 37), 27200#(<= ULTIMATE.start_main_~i~5 38), 27201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 27202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 27203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 27204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 27205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 27206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 27207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 27208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 27209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 27210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 27211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 27212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 27213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 27214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 27215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 27216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 27217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 27218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 27219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 27220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 27221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 27222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 27223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 27224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 27225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 27226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 27227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 27228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 27229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 27230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 27231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 27232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 27233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 27234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 27235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 27236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 27237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 27238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 27239#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3042 backedges. 1560 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,284 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:46:12,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:46:12,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1639, Invalid=4681, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:46:12,285 INFO L87 Difference]: Start difference. First operand 161 states and 162 transitions. Second operand 80 states. [2018-07-23 13:46:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:12,653 INFO L93 Difference]: Finished difference Result 245 states and 247 transitions. [2018-07-23 13:46:12,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:46:12,653 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 160 [2018-07-23 13:46:12,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:12,654 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:46:12,655 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:46:12,657 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3900, Invalid=9906, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:46:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:46:12,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:46:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:46:12,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 164 transitions. [2018-07-23 13:46:12,677 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 164 transitions. Word has length 160 [2018-07-23 13:46:12,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:12,678 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 164 transitions. [2018-07-23 13:46:12,678 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:46:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-07-23 13:46:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:46:12,680 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:12,680 INFO L357 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 1, 1, 1, 1] [2018-07-23 13:46:12,680 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:12,680 INFO L82 PathProgramCache]: Analyzing trace with hash 176666179, now seen corresponding path program 59 times [2018-07-23 13:46:12,681 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1560 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,073 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:13,074 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:46:13,074 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:13,074 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 13:46:13,075 INFO L185 omatonBuilderFactory]: Interpolants [28160#(<= ULTIMATE.start_main_~i~5 26), 28161#(<= ULTIMATE.start_main_~i~5 27), 28162#(<= ULTIMATE.start_main_~i~5 28), 28163#(<= ULTIMATE.start_main_~i~5 29), 28164#(<= ULTIMATE.start_main_~i~5 30), 28165#(<= ULTIMATE.start_main_~i~5 31), 28166#(<= ULTIMATE.start_main_~i~5 32), 28167#(<= ULTIMATE.start_main_~i~5 33), 28168#(<= ULTIMATE.start_main_~i~5 34), 28169#(<= ULTIMATE.start_main_~i~5 35), 28170#(<= ULTIMATE.start_main_~i~5 36), 28171#(<= ULTIMATE.start_main_~i~5 37), 28172#(<= ULTIMATE.start_main_~i~5 38), 28173#(<= ULTIMATE.start_main_~i~5 39), 28174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 28175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 28176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 28177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 28178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 28179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 28180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 28181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 28182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 28183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 28184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 28185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 28186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 28187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 28188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 28189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 28190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 28191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 28192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 28193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 28194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 28195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 28196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 28197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 28198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 28199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 28200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 28201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 28202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 28203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 28204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 28205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 28206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 28207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 28208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 28209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 28210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 28211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 28212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 28132#true, 28133#false, 28134#(<= ULTIMATE.start_main_~i~5 0), 28135#(<= ULTIMATE.start_main_~i~5 1), 28136#(<= ULTIMATE.start_main_~i~5 2), 28137#(<= ULTIMATE.start_main_~i~5 3), 28138#(<= ULTIMATE.start_main_~i~5 4), 28139#(<= ULTIMATE.start_main_~i~5 5), 28140#(<= ULTIMATE.start_main_~i~5 6), 28141#(<= ULTIMATE.start_main_~i~5 7), 28142#(<= ULTIMATE.start_main_~i~5 8), 28143#(<= ULTIMATE.start_main_~i~5 9), 28144#(<= ULTIMATE.start_main_~i~5 10), 28145#(<= ULTIMATE.start_main_~i~5 11), 28146#(<= ULTIMATE.start_main_~i~5 12), 28147#(<= ULTIMATE.start_main_~i~5 13), 28148#(<= ULTIMATE.start_main_~i~5 14), 28149#(<= ULTIMATE.start_main_~i~5 15), 28150#(<= ULTIMATE.start_main_~i~5 16), 28151#(<= ULTIMATE.start_main_~i~5 17), 28152#(<= ULTIMATE.start_main_~i~5 18), 28153#(<= ULTIMATE.start_main_~i~5 19), 28154#(<= ULTIMATE.start_main_~i~5 20), 28155#(<= ULTIMATE.start_main_~i~5 21), 28156#(<= ULTIMATE.start_main_~i~5 22), 28157#(<= ULTIMATE.start_main_~i~5 23), 28158#(<= ULTIMATE.start_main_~i~5 24), 28159#(<= ULTIMATE.start_main_~i~5 25)] [2018-07-23 13:46:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1560 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,076 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:46:13,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:46:13,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1680, Invalid=4800, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:46:13,079 INFO L87 Difference]: Start difference. First operand 163 states and 164 transitions. Second operand 81 states. [2018-07-23 13:46:13,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:13,459 INFO L93 Difference]: Finished difference Result 247 states and 249 transitions. [2018-07-23 13:46:13,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:46:13,459 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 162 [2018-07-23 13:46:13,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:13,461 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:46:13,461 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:46:13,463 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2224 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4059, Invalid=10221, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:46:13,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:46:13,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:46:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:46:13,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 166 transitions. [2018-07-23 13:46:13,482 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 166 transitions. Word has length 162 [2018-07-23 13:46:13,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:13,483 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 166 transitions. [2018-07-23 13:46:13,483 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:46:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-07-23 13:46:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:46:13,485 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:13,485 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 40, 39, 1, 1, 1, 1] [2018-07-23 13:46:13,486 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:13,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1175134783, now seen corresponding path program 60 times [2018-07-23 13:46:13,486 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3200 backedges. 1640 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,788 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:13,788 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:46:13,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:13,789 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 13:46:13,789 INFO L185 omatonBuilderFactory]: Interpolants [29120#(<= 3 ULTIMATE.start_main_~k~5), 29121#(<= 4 ULTIMATE.start_main_~k~5), 29122#(<= 5 ULTIMATE.start_main_~k~5), 29123#(<= 6 ULTIMATE.start_main_~k~5), 29124#(<= 7 ULTIMATE.start_main_~k~5), 29125#(<= 8 ULTIMATE.start_main_~k~5), 29126#(<= 9 ULTIMATE.start_main_~k~5), 29127#(<= 10 ULTIMATE.start_main_~k~5), 29128#(<= 11 ULTIMATE.start_main_~k~5), 29129#(<= 12 ULTIMATE.start_main_~k~5), 29130#(<= 13 ULTIMATE.start_main_~k~5), 29131#(<= 14 ULTIMATE.start_main_~k~5), 29132#(<= 15 ULTIMATE.start_main_~k~5), 29133#(<= 16 ULTIMATE.start_main_~k~5), 29134#(<= 17 ULTIMATE.start_main_~k~5), 29135#(<= 18 ULTIMATE.start_main_~k~5), 29136#(<= 19 ULTIMATE.start_main_~k~5), 29137#(<= 20 ULTIMATE.start_main_~k~5), 29138#(<= 21 ULTIMATE.start_main_~k~5), 29139#(<= 22 ULTIMATE.start_main_~k~5), 29140#(<= 23 ULTIMATE.start_main_~k~5), 29141#(<= 24 ULTIMATE.start_main_~k~5), 29142#(<= 25 ULTIMATE.start_main_~k~5), 29143#(<= 26 ULTIMATE.start_main_~k~5), 29144#(<= 27 ULTIMATE.start_main_~k~5), 29145#(<= 28 ULTIMATE.start_main_~k~5), 29146#(<= 29 ULTIMATE.start_main_~k~5), 29147#(<= 30 ULTIMATE.start_main_~k~5), 29148#(<= 31 ULTIMATE.start_main_~k~5), 29149#(<= 32 ULTIMATE.start_main_~k~5), 29150#(<= 33 ULTIMATE.start_main_~k~5), 29151#(<= 34 ULTIMATE.start_main_~k~5), 29152#(<= 35 ULTIMATE.start_main_~k~5), 29153#(<= 36 ULTIMATE.start_main_~k~5), 29154#(<= 37 ULTIMATE.start_main_~k~5), 29155#(<= 38 ULTIMATE.start_main_~k~5), 29156#(<= 39 ULTIMATE.start_main_~k~5), 29157#(<= 40 ULTIMATE.start_main_~k~5), 29158#(and (<= 40 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 29159#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 29115#true, 29116#false, 29117#(<= 0 ULTIMATE.start_main_~k~5), 29118#(<= 1 ULTIMATE.start_main_~k~5), 29119#(<= 2 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3200 backedges. 1640 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,790 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:46:13,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:46:13,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:46:13,791 INFO L87 Difference]: Start difference. First operand 165 states and 166 transitions. Second operand 45 states. [2018-07-23 13:46:13,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:13,984 INFO L93 Difference]: Finished difference Result 171 states and 173 transitions. [2018-07-23 13:46:13,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:46:13,984 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 164 [2018-07-23 13:46:13,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:13,985 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:46:13,986 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:46:13,987 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1681 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2753, Invalid=4557, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:46:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:46:14,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:46:14,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:46:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 170 transitions. [2018-07-23 13:46:14,005 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 170 transitions. Word has length 164 [2018-07-23 13:46:14,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:14,005 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 170 transitions. [2018-07-23 13:46:14,005 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:46:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-07-23 13:46:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:46:14,007 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:14,007 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 41, 40, 1, 1, 1, 1] [2018-07-23 13:46:14,007 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:14,008 INFO L82 PathProgramCache]: Analyzing trace with hash 773999923, now seen corresponding path program 61 times [2018-07-23 13:46:14,008 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 1722 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,384 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:14,384 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:46:14,384 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:14,384 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 13:46:14,385 INFO L185 omatonBuilderFactory]: Interpolants [29952#(<= ULTIMATE.start_main_~i~5 28), 29953#(<= ULTIMATE.start_main_~i~5 29), 29954#(<= ULTIMATE.start_main_~i~5 30), 29955#(<= ULTIMATE.start_main_~i~5 31), 29956#(<= ULTIMATE.start_main_~i~5 32), 29957#(<= ULTIMATE.start_main_~i~5 33), 29958#(<= ULTIMATE.start_main_~i~5 34), 29959#(<= ULTIMATE.start_main_~i~5 35), 29960#(<= ULTIMATE.start_main_~i~5 36), 29961#(<= ULTIMATE.start_main_~i~5 37), 29962#(<= ULTIMATE.start_main_~i~5 38), 29963#(<= ULTIMATE.start_main_~i~5 39), 29964#(<= ULTIMATE.start_main_~i~5 40), 29965#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 29966#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 29967#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 29968#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 29969#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 29970#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 29971#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 29972#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 29973#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 29974#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 29975#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 29976#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 29977#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 29978#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 29979#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 29980#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 29981#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 29982#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 29983#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 29984#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 29985#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 29986#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 29987#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 29988#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 29989#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 29990#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 29991#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 29992#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 29993#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 29994#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 29995#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 29996#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 29997#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 29998#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 29999#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 30000#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 30001#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 30002#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 30003#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 30004#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 30005#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 29922#true, 29923#false, 29924#(<= ULTIMATE.start_main_~i~5 0), 29925#(<= ULTIMATE.start_main_~i~5 1), 29926#(<= ULTIMATE.start_main_~i~5 2), 29927#(<= ULTIMATE.start_main_~i~5 3), 29928#(<= ULTIMATE.start_main_~i~5 4), 29929#(<= ULTIMATE.start_main_~i~5 5), 29930#(<= ULTIMATE.start_main_~i~5 6), 29931#(<= ULTIMATE.start_main_~i~5 7), 29932#(<= ULTIMATE.start_main_~i~5 8), 29933#(<= ULTIMATE.start_main_~i~5 9), 29934#(<= ULTIMATE.start_main_~i~5 10), 29935#(<= ULTIMATE.start_main_~i~5 11), 29936#(<= ULTIMATE.start_main_~i~5 12), 29937#(<= ULTIMATE.start_main_~i~5 13), 29938#(<= ULTIMATE.start_main_~i~5 14), 29939#(<= ULTIMATE.start_main_~i~5 15), 29940#(<= ULTIMATE.start_main_~i~5 16), 29941#(<= ULTIMATE.start_main_~i~5 17), 29942#(<= ULTIMATE.start_main_~i~5 18), 29943#(<= ULTIMATE.start_main_~i~5 19), 29944#(<= ULTIMATE.start_main_~i~5 20), 29945#(<= ULTIMATE.start_main_~i~5 21), 29946#(<= ULTIMATE.start_main_~i~5 22), 29947#(<= ULTIMATE.start_main_~i~5 23), 29948#(<= ULTIMATE.start_main_~i~5 24), 29949#(<= ULTIMATE.start_main_~i~5 25), 29950#(<= ULTIMATE.start_main_~i~5 26), 29951#(<= ULTIMATE.start_main_~i~5 27)] [2018-07-23 13:46:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 1722 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,387 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:46:14,388 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:46:14,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1805, Invalid=5167, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:46:14,389 INFO L87 Difference]: Start difference. First operand 169 states and 170 transitions. Second operand 84 states. [2018-07-23 13:46:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:14,714 INFO L93 Difference]: Finished difference Result 257 states and 259 transitions. [2018-07-23 13:46:14,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:46:14,715 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 168 [2018-07-23 13:46:14,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:14,716 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:46:14,716 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:46:14,722 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2420 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4305, Invalid=10947, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:46:14,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:46:14,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:46:14,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:46:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 172 transitions. [2018-07-23 13:46:14,741 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 172 transitions. Word has length 168 [2018-07-23 13:46:14,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:14,741 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 172 transitions. [2018-07-23 13:46:14,741 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:46:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-07-23 13:46:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:46:14,743 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:14,743 INFO L357 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 1, 1, 1, 1] [2018-07-23 13:46:14,743 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:14,744 INFO L82 PathProgramCache]: Analyzing trace with hash -926168017, now seen corresponding path program 62 times [2018-07-23 13:46:14,744 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1722 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,132 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:15,132 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:46:15,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:15,132 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 13:46:15,133 INFO L185 omatonBuilderFactory]: Interpolants [30976#(<= ULTIMATE.start_main_~i~5 32), 30977#(<= ULTIMATE.start_main_~i~5 33), 30978#(<= ULTIMATE.start_main_~i~5 34), 30979#(<= ULTIMATE.start_main_~i~5 35), 30980#(<= ULTIMATE.start_main_~i~5 36), 30981#(<= ULTIMATE.start_main_~i~5 37), 30982#(<= ULTIMATE.start_main_~i~5 38), 30983#(<= ULTIMATE.start_main_~i~5 39), 30984#(<= ULTIMATE.start_main_~i~5 40), 30985#(<= ULTIMATE.start_main_~i~5 41), 30986#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 30987#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 30988#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 30989#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 30990#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 30991#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 30992#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 30993#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 30994#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 30995#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 30996#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 30997#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 30998#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 30999#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 31000#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 31001#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 31002#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 31003#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 31004#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 31005#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 31006#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 31007#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 31008#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 31009#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 31010#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 31011#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 31012#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 31013#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 31014#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 31015#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 31016#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 31017#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 31018#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 31019#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 31020#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 31021#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 31022#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 31023#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 31024#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 31025#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 31026#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 30942#true, 30943#false, 30944#(<= ULTIMATE.start_main_~i~5 0), 30945#(<= ULTIMATE.start_main_~i~5 1), 30946#(<= ULTIMATE.start_main_~i~5 2), 30947#(<= ULTIMATE.start_main_~i~5 3), 30948#(<= ULTIMATE.start_main_~i~5 4), 30949#(<= ULTIMATE.start_main_~i~5 5), 30950#(<= ULTIMATE.start_main_~i~5 6), 30951#(<= ULTIMATE.start_main_~i~5 7), 30952#(<= ULTIMATE.start_main_~i~5 8), 30953#(<= ULTIMATE.start_main_~i~5 9), 30954#(<= ULTIMATE.start_main_~i~5 10), 30955#(<= ULTIMATE.start_main_~i~5 11), 30956#(<= ULTIMATE.start_main_~i~5 12), 30957#(<= ULTIMATE.start_main_~i~5 13), 30958#(<= ULTIMATE.start_main_~i~5 14), 30959#(<= ULTIMATE.start_main_~i~5 15), 30960#(<= ULTIMATE.start_main_~i~5 16), 30961#(<= ULTIMATE.start_main_~i~5 17), 30962#(<= ULTIMATE.start_main_~i~5 18), 30963#(<= ULTIMATE.start_main_~i~5 19), 30964#(<= ULTIMATE.start_main_~i~5 20), 30965#(<= ULTIMATE.start_main_~i~5 21), 30966#(<= ULTIMATE.start_main_~i~5 22), 30967#(<= ULTIMATE.start_main_~i~5 23), 30968#(<= ULTIMATE.start_main_~i~5 24), 30969#(<= ULTIMATE.start_main_~i~5 25), 30970#(<= ULTIMATE.start_main_~i~5 26), 30971#(<= ULTIMATE.start_main_~i~5 27), 30972#(<= ULTIMATE.start_main_~i~5 28), 30973#(<= ULTIMATE.start_main_~i~5 29), 30974#(<= ULTIMATE.start_main_~i~5 30), 30975#(<= ULTIMATE.start_main_~i~5 31)] [2018-07-23 13:46:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1722 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,134 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:46:15,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:46:15,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1848, Invalid=5292, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:46:15,140 INFO L87 Difference]: Start difference. First operand 171 states and 172 transitions. Second operand 85 states. [2018-07-23 13:46:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:15,473 INFO L93 Difference]: Finished difference Result 259 states and 261 transitions. [2018-07-23 13:46:15,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:46:15,473 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 170 [2018-07-23 13:46:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:15,475 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:46:15,475 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:46:15,477 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2461 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=4472, Invalid=11278, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:46:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:46:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:46:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:46:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 174 transitions. [2018-07-23 13:46:15,494 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 174 transitions. Word has length 170 [2018-07-23 13:46:15,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:15,494 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 174 transitions. [2018-07-23 13:46:15,495 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:46:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2018-07-23 13:46:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:46:15,497 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:15,497 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 42, 41, 1, 1, 1, 1] [2018-07-23 13:46:15,497 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:15,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1594981419, now seen corresponding path program 63 times [2018-07-23 13:46:15,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 1806 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,733 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:15,734 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:46:15,734 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:15,734 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 13:46:15,734 INFO L185 omatonBuilderFactory]: Interpolants [32000#(<= 25 ULTIMATE.start_main_~k~5), 32001#(<= 26 ULTIMATE.start_main_~k~5), 32002#(<= 27 ULTIMATE.start_main_~k~5), 32003#(<= 28 ULTIMATE.start_main_~k~5), 32004#(<= 29 ULTIMATE.start_main_~k~5), 32005#(<= 30 ULTIMATE.start_main_~k~5), 32006#(<= 31 ULTIMATE.start_main_~k~5), 32007#(<= 32 ULTIMATE.start_main_~k~5), 32008#(<= 33 ULTIMATE.start_main_~k~5), 32009#(<= 34 ULTIMATE.start_main_~k~5), 32010#(<= 35 ULTIMATE.start_main_~k~5), 32011#(<= 36 ULTIMATE.start_main_~k~5), 32012#(<= 37 ULTIMATE.start_main_~k~5), 32013#(<= 38 ULTIMATE.start_main_~k~5), 32014#(<= 39 ULTIMATE.start_main_~k~5), 32015#(<= 40 ULTIMATE.start_main_~k~5), 32016#(<= 41 ULTIMATE.start_main_~k~5), 32017#(<= 42 ULTIMATE.start_main_~k~5), 32018#(and (<= 42 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 32019#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 31973#true, 31974#false, 31975#(<= 0 ULTIMATE.start_main_~k~5), 31976#(<= 1 ULTIMATE.start_main_~k~5), 31977#(<= 2 ULTIMATE.start_main_~k~5), 31978#(<= 3 ULTIMATE.start_main_~k~5), 31979#(<= 4 ULTIMATE.start_main_~k~5), 31980#(<= 5 ULTIMATE.start_main_~k~5), 31981#(<= 6 ULTIMATE.start_main_~k~5), 31982#(<= 7 ULTIMATE.start_main_~k~5), 31983#(<= 8 ULTIMATE.start_main_~k~5), 31984#(<= 9 ULTIMATE.start_main_~k~5), 31985#(<= 10 ULTIMATE.start_main_~k~5), 31986#(<= 11 ULTIMATE.start_main_~k~5), 31987#(<= 12 ULTIMATE.start_main_~k~5), 31988#(<= 13 ULTIMATE.start_main_~k~5), 31989#(<= 14 ULTIMATE.start_main_~k~5), 31990#(<= 15 ULTIMATE.start_main_~k~5), 31991#(<= 16 ULTIMATE.start_main_~k~5), 31992#(<= 17 ULTIMATE.start_main_~k~5), 31993#(<= 18 ULTIMATE.start_main_~k~5), 31994#(<= 19 ULTIMATE.start_main_~k~5), 31995#(<= 20 ULTIMATE.start_main_~k~5), 31996#(<= 21 ULTIMATE.start_main_~k~5), 31997#(<= 22 ULTIMATE.start_main_~k~5), 31998#(<= 23 ULTIMATE.start_main_~k~5), 31999#(<= 24 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 1806 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,735 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:46:15,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:46:15,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:46:15,736 INFO L87 Difference]: Start difference. First operand 173 states and 174 transitions. Second operand 47 states. [2018-07-23 13:46:15,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:15,952 INFO L93 Difference]: Finished difference Result 179 states and 181 transitions. [2018-07-23 13:46:15,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:46:15,952 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 172 [2018-07-23 13:46:15,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:15,954 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:46:15,954 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:46:15,955 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1849 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3016, Invalid=4994, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:46:15,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:46:15,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:46:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:46:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 178 transitions. [2018-07-23 13:46:15,975 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 178 transitions. Word has length 172 [2018-07-23 13:46:15,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:15,976 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 178 transitions. [2018-07-23 13:46:15,976 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:46:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2018-07-23 13:46:15,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:46:15,979 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:15,979 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 43, 42, 1, 1, 1, 1] [2018-07-23 13:46:15,979 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:15,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1196544287, now seen corresponding path program 64 times [2018-07-23 13:46:15,979 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3698 backedges. 1892 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,449 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:16,450 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:46:16,450 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:16,450 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 13:46:16,451 INFO L185 omatonBuilderFactory]: Interpolants [32896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 32897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 32898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 32899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 32900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 32901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 32902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 32903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 32904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 32905#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 32818#true, 32819#false, 32820#(<= ULTIMATE.start_main_~i~5 0), 32821#(<= ULTIMATE.start_main_~i~5 1), 32822#(<= ULTIMATE.start_main_~i~5 2), 32823#(<= ULTIMATE.start_main_~i~5 3), 32824#(<= ULTIMATE.start_main_~i~5 4), 32825#(<= ULTIMATE.start_main_~i~5 5), 32826#(<= ULTIMATE.start_main_~i~5 6), 32827#(<= ULTIMATE.start_main_~i~5 7), 32828#(<= ULTIMATE.start_main_~i~5 8), 32829#(<= ULTIMATE.start_main_~i~5 9), 32830#(<= ULTIMATE.start_main_~i~5 10), 32831#(<= ULTIMATE.start_main_~i~5 11), 32832#(<= ULTIMATE.start_main_~i~5 12), 32833#(<= ULTIMATE.start_main_~i~5 13), 32834#(<= ULTIMATE.start_main_~i~5 14), 32835#(<= ULTIMATE.start_main_~i~5 15), 32836#(<= ULTIMATE.start_main_~i~5 16), 32837#(<= ULTIMATE.start_main_~i~5 17), 32838#(<= ULTIMATE.start_main_~i~5 18), 32839#(<= ULTIMATE.start_main_~i~5 19), 32840#(<= ULTIMATE.start_main_~i~5 20), 32841#(<= ULTIMATE.start_main_~i~5 21), 32842#(<= ULTIMATE.start_main_~i~5 22), 32843#(<= ULTIMATE.start_main_~i~5 23), 32844#(<= ULTIMATE.start_main_~i~5 24), 32845#(<= ULTIMATE.start_main_~i~5 25), 32846#(<= ULTIMATE.start_main_~i~5 26), 32847#(<= ULTIMATE.start_main_~i~5 27), 32848#(<= ULTIMATE.start_main_~i~5 28), 32849#(<= ULTIMATE.start_main_~i~5 29), 32850#(<= ULTIMATE.start_main_~i~5 30), 32851#(<= ULTIMATE.start_main_~i~5 31), 32852#(<= ULTIMATE.start_main_~i~5 32), 32853#(<= ULTIMATE.start_main_~i~5 33), 32854#(<= ULTIMATE.start_main_~i~5 34), 32855#(<= ULTIMATE.start_main_~i~5 35), 32856#(<= ULTIMATE.start_main_~i~5 36), 32857#(<= ULTIMATE.start_main_~i~5 37), 32858#(<= ULTIMATE.start_main_~i~5 38), 32859#(<= ULTIMATE.start_main_~i~5 39), 32860#(<= ULTIMATE.start_main_~i~5 40), 32861#(<= ULTIMATE.start_main_~i~5 41), 32862#(<= ULTIMATE.start_main_~i~5 42), 32863#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 32864#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 32865#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 32866#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 32867#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 32868#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 32869#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 32870#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 32871#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 32872#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 32873#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 32874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 32875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 32876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 32877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 32878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 32879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 32880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 32881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 32882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 32883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 32884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 32885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 32886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 32887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 32888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 32889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 32890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 32891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 32892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 32893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 32894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 32895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10))] [2018-07-23 13:46:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3698 backedges. 1892 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,452 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:46:16,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:46:16,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1979, Invalid=5677, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:46:16,453 INFO L87 Difference]: Start difference. First operand 177 states and 178 transitions. Second operand 88 states. [2018-07-23 13:46:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:16,953 INFO L93 Difference]: Finished difference Result 269 states and 271 transitions. [2018-07-23 13:46:16,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:46:16,953 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 176 [2018-07-23 13:46:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:16,955 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:46:16,955 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:46:16,957 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2667 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=4730, Invalid=12040, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:46:16,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:46:16,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:46:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:46:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 180 transitions. [2018-07-23 13:46:16,981 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 180 transitions. Word has length 176 [2018-07-23 13:46:16,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:16,981 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 180 transitions. [2018-07-23 13:46:16,981 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:46:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2018-07-23 13:46:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:46:16,984 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:16,984 INFO L357 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 1, 1, 1, 1] [2018-07-23 13:46:16,984 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:16,984 INFO L82 PathProgramCache]: Analyzing trace with hash -889547749, now seen corresponding path program 65 times [2018-07-23 13:46:16,985 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1892 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,615 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:17,616 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:46:17,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:17,616 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 13:46:17,617 INFO L185 omatonBuilderFactory]: Interpolants [33920#(<= ULTIMATE.start_main_~i~5 32), 33921#(<= ULTIMATE.start_main_~i~5 33), 33922#(<= ULTIMATE.start_main_~i~5 34), 33923#(<= ULTIMATE.start_main_~i~5 35), 33924#(<= ULTIMATE.start_main_~i~5 36), 33925#(<= ULTIMATE.start_main_~i~5 37), 33926#(<= ULTIMATE.start_main_~i~5 38), 33927#(<= ULTIMATE.start_main_~i~5 39), 33928#(<= ULTIMATE.start_main_~i~5 40), 33929#(<= ULTIMATE.start_main_~i~5 41), 33930#(<= ULTIMATE.start_main_~i~5 42), 33931#(<= ULTIMATE.start_main_~i~5 43), 33932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 33933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 33934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 33935#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 33936#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 33937#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 33938#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 33939#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 33940#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 33941#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 33942#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 33943#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 33944#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 33945#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 33946#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 33947#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 33948#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 33949#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 33950#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 33951#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 33952#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 33953#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 33954#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 33955#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 33956#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 33957#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 33958#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 33959#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 33960#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 33961#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 33962#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 33963#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 33964#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 33965#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 33966#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 33967#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 33968#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 33969#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 33970#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 33971#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 33972#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 33973#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 33974#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 33886#true, 33887#false, 33888#(<= ULTIMATE.start_main_~i~5 0), 33889#(<= ULTIMATE.start_main_~i~5 1), 33890#(<= ULTIMATE.start_main_~i~5 2), 33891#(<= ULTIMATE.start_main_~i~5 3), 33892#(<= ULTIMATE.start_main_~i~5 4), 33893#(<= ULTIMATE.start_main_~i~5 5), 33894#(<= ULTIMATE.start_main_~i~5 6), 33895#(<= ULTIMATE.start_main_~i~5 7), 33896#(<= ULTIMATE.start_main_~i~5 8), 33897#(<= ULTIMATE.start_main_~i~5 9), 33898#(<= ULTIMATE.start_main_~i~5 10), 33899#(<= ULTIMATE.start_main_~i~5 11), 33900#(<= ULTIMATE.start_main_~i~5 12), 33901#(<= ULTIMATE.start_main_~i~5 13), 33902#(<= ULTIMATE.start_main_~i~5 14), 33903#(<= ULTIMATE.start_main_~i~5 15), 33904#(<= ULTIMATE.start_main_~i~5 16), 33905#(<= ULTIMATE.start_main_~i~5 17), 33906#(<= ULTIMATE.start_main_~i~5 18), 33907#(<= ULTIMATE.start_main_~i~5 19), 33908#(<= ULTIMATE.start_main_~i~5 20), 33909#(<= ULTIMATE.start_main_~i~5 21), 33910#(<= ULTIMATE.start_main_~i~5 22), 33911#(<= ULTIMATE.start_main_~i~5 23), 33912#(<= ULTIMATE.start_main_~i~5 24), 33913#(<= ULTIMATE.start_main_~i~5 25), 33914#(<= ULTIMATE.start_main_~i~5 26), 33915#(<= ULTIMATE.start_main_~i~5 27), 33916#(<= ULTIMATE.start_main_~i~5 28), 33917#(<= ULTIMATE.start_main_~i~5 29), 33918#(<= ULTIMATE.start_main_~i~5 30), 33919#(<= ULTIMATE.start_main_~i~5 31)] [2018-07-23 13:46:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1892 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,618 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:46:17,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:46:17,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2024, Invalid=5808, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:46:17,619 INFO L87 Difference]: Start difference. First operand 179 states and 180 transitions. Second operand 89 states. [2018-07-23 13:46:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:18,011 INFO L93 Difference]: Finished difference Result 271 states and 273 transitions. [2018-07-23 13:46:18,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:46:18,011 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 178 [2018-07-23 13:46:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:18,013 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:46:18,013 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:46:18,015 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2710 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=4905, Invalid=12387, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:46:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:46:18,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:46:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:46:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 182 transitions. [2018-07-23 13:46:18,036 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 182 transitions. Word has length 178 [2018-07-23 13:46:18,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:18,036 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 182 transitions. [2018-07-23 13:46:18,037 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:46:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 182 transitions. [2018-07-23 13:46:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:46:18,038 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:18,039 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 44, 43, 1, 1, 1, 1] [2018-07-23 13:46:18,039 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:18,039 INFO L82 PathProgramCache]: Analyzing trace with hash 125732887, now seen corresponding path program 66 times [2018-07-23 13:46:18,039 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 1980 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:18,272 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:18,272 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:46:18,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:18,272 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 13:46:18,273 INFO L185 omatonBuilderFactory]: Interpolants [34965#true, 34966#false, 34967#(<= 0 ULTIMATE.start_main_~k~5), 34968#(<= 1 ULTIMATE.start_main_~k~5), 34969#(<= 2 ULTIMATE.start_main_~k~5), 34970#(<= 3 ULTIMATE.start_main_~k~5), 34971#(<= 4 ULTIMATE.start_main_~k~5), 34972#(<= 5 ULTIMATE.start_main_~k~5), 34973#(<= 6 ULTIMATE.start_main_~k~5), 34974#(<= 7 ULTIMATE.start_main_~k~5), 34975#(<= 8 ULTIMATE.start_main_~k~5), 34976#(<= 9 ULTIMATE.start_main_~k~5), 34977#(<= 10 ULTIMATE.start_main_~k~5), 34978#(<= 11 ULTIMATE.start_main_~k~5), 34979#(<= 12 ULTIMATE.start_main_~k~5), 34980#(<= 13 ULTIMATE.start_main_~k~5), 34981#(<= 14 ULTIMATE.start_main_~k~5), 34982#(<= 15 ULTIMATE.start_main_~k~5), 34983#(<= 16 ULTIMATE.start_main_~k~5), 34984#(<= 17 ULTIMATE.start_main_~k~5), 34985#(<= 18 ULTIMATE.start_main_~k~5), 34986#(<= 19 ULTIMATE.start_main_~k~5), 34987#(<= 20 ULTIMATE.start_main_~k~5), 34988#(<= 21 ULTIMATE.start_main_~k~5), 34989#(<= 22 ULTIMATE.start_main_~k~5), 34990#(<= 23 ULTIMATE.start_main_~k~5), 34991#(<= 24 ULTIMATE.start_main_~k~5), 34992#(<= 25 ULTIMATE.start_main_~k~5), 34993#(<= 26 ULTIMATE.start_main_~k~5), 34994#(<= 27 ULTIMATE.start_main_~k~5), 34995#(<= 28 ULTIMATE.start_main_~k~5), 34996#(<= 29 ULTIMATE.start_main_~k~5), 34997#(<= 30 ULTIMATE.start_main_~k~5), 34998#(<= 31 ULTIMATE.start_main_~k~5), 34999#(<= 32 ULTIMATE.start_main_~k~5), 35000#(<= 33 ULTIMATE.start_main_~k~5), 35001#(<= 34 ULTIMATE.start_main_~k~5), 35002#(<= 35 ULTIMATE.start_main_~k~5), 35003#(<= 36 ULTIMATE.start_main_~k~5), 35004#(<= 37 ULTIMATE.start_main_~k~5), 35005#(<= 38 ULTIMATE.start_main_~k~5), 35006#(<= 39 ULTIMATE.start_main_~k~5), 35007#(<= 40 ULTIMATE.start_main_~k~5), 35008#(<= 41 ULTIMATE.start_main_~k~5), 35009#(<= 42 ULTIMATE.start_main_~k~5), 35010#(<= 43 ULTIMATE.start_main_~k~5), 35011#(<= 44 ULTIMATE.start_main_~k~5), 35012#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 44 ULTIMATE.start_main_~k~5)), 35013#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 1980 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:18,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:46:18,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:46:18,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:46:18,275 INFO L87 Difference]: Start difference. First operand 181 states and 182 transitions. Second operand 49 states. [2018-07-23 13:46:18,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:18,510 INFO L93 Difference]: Finished difference Result 187 states and 189 transitions. [2018-07-23 13:46:18,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:46:18,511 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 180 [2018-07-23 13:46:18,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:18,512 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:46:18,512 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:46:18,513 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2025 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3291, Invalid=5451, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:46:18,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:46:18,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:46:18,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:46:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 186 transitions. [2018-07-23 13:46:18,530 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 186 transitions. Word has length 180 [2018-07-23 13:46:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:18,531 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 186 transitions. [2018-07-23 13:46:18,531 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:46:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 186 transitions. [2018-07-23 13:46:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:46:18,533 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:18,533 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 45, 44, 1, 1, 1, 1] [2018-07-23 13:46:18,533 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:18,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1723922677, now seen corresponding path program 67 times [2018-07-23 13:46:18,534 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 2070 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,000 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:19,000 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:46:19,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:19,001 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 13:46:19,001 INFO L185 omatonBuilderFactory]: Interpolants [35848#true, 35849#false, 35850#(<= ULTIMATE.start_main_~i~5 0), 35851#(<= ULTIMATE.start_main_~i~5 1), 35852#(<= ULTIMATE.start_main_~i~5 2), 35853#(<= ULTIMATE.start_main_~i~5 3), 35854#(<= ULTIMATE.start_main_~i~5 4), 35855#(<= ULTIMATE.start_main_~i~5 5), 35856#(<= ULTIMATE.start_main_~i~5 6), 35857#(<= ULTIMATE.start_main_~i~5 7), 35858#(<= ULTIMATE.start_main_~i~5 8), 35859#(<= ULTIMATE.start_main_~i~5 9), 35860#(<= ULTIMATE.start_main_~i~5 10), 35861#(<= ULTIMATE.start_main_~i~5 11), 35862#(<= ULTIMATE.start_main_~i~5 12), 35863#(<= ULTIMATE.start_main_~i~5 13), 35864#(<= ULTIMATE.start_main_~i~5 14), 35865#(<= ULTIMATE.start_main_~i~5 15), 35866#(<= ULTIMATE.start_main_~i~5 16), 35867#(<= ULTIMATE.start_main_~i~5 17), 35868#(<= ULTIMATE.start_main_~i~5 18), 35869#(<= ULTIMATE.start_main_~i~5 19), 35870#(<= ULTIMATE.start_main_~i~5 20), 35871#(<= ULTIMATE.start_main_~i~5 21), 35872#(<= ULTIMATE.start_main_~i~5 22), 35873#(<= ULTIMATE.start_main_~i~5 23), 35874#(<= ULTIMATE.start_main_~i~5 24), 35875#(<= ULTIMATE.start_main_~i~5 25), 35876#(<= ULTIMATE.start_main_~i~5 26), 35877#(<= ULTIMATE.start_main_~i~5 27), 35878#(<= ULTIMATE.start_main_~i~5 28), 35879#(<= ULTIMATE.start_main_~i~5 29), 35880#(<= ULTIMATE.start_main_~i~5 30), 35881#(<= ULTIMATE.start_main_~i~5 31), 35882#(<= ULTIMATE.start_main_~i~5 32), 35883#(<= ULTIMATE.start_main_~i~5 33), 35884#(<= ULTIMATE.start_main_~i~5 34), 35885#(<= ULTIMATE.start_main_~i~5 35), 35886#(<= ULTIMATE.start_main_~i~5 36), 35887#(<= ULTIMATE.start_main_~i~5 37), 35888#(<= ULTIMATE.start_main_~i~5 38), 35889#(<= ULTIMATE.start_main_~i~5 39), 35890#(<= ULTIMATE.start_main_~i~5 40), 35891#(<= ULTIMATE.start_main_~i~5 41), 35892#(<= ULTIMATE.start_main_~i~5 42), 35893#(<= ULTIMATE.start_main_~i~5 43), 35894#(<= ULTIMATE.start_main_~i~5 44), 35895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 35896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 35897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 35898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 35899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 35900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 35901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 35902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 35903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 35904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 35905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 35906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 35907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 35908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 35909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 35910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 35911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 35912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 35913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 35914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 35915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 35916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 35917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 35918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 35919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 35920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 35921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 35922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 35923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 35924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 35925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 35926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 35927#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 35928#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 35929#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 35930#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 35931#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 35932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 35933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 35934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 35935#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 35936#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 35937#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 35938#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 35939#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 2070 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:46:19,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:46:19,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2161, Invalid=6211, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:46:19,003 INFO L87 Difference]: Start difference. First operand 185 states and 186 transitions. Second operand 92 states. [2018-07-23 13:46:19,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:19,447 INFO L93 Difference]: Finished difference Result 281 states and 283 transitions. [2018-07-23 13:46:19,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:46:19,447 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 184 [2018-07-23 13:46:19,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:19,449 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:46:19,449 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:46:19,451 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2926 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5175, Invalid=13185, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:46:19,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:46:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:46:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:46:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 188 transitions. [2018-07-23 13:46:19,468 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 188 transitions. Word has length 184 [2018-07-23 13:46:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:19,468 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 188 transitions. [2018-07-23 13:46:19,468 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:46:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 188 transitions. [2018-07-23 13:46:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:46:19,472 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:19,472 INFO L357 BasicCegarLoop]: trace histogram [46, 46, 45, 45, 1, 1, 1, 1] [2018-07-23 13:46:19,473 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:19,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1000141305, now seen corresponding path program 68 times [2018-07-23 13:46:19,473 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 2070 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,905 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:19,906 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:46:19,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:19,906 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 13:46:19,907 INFO L185 omatonBuilderFactory]: Interpolants [36992#(<= ULTIMATE.start_main_~i~5 26), 36993#(<= ULTIMATE.start_main_~i~5 27), 36994#(<= ULTIMATE.start_main_~i~5 28), 36995#(<= ULTIMATE.start_main_~i~5 29), 36996#(<= ULTIMATE.start_main_~i~5 30), 36997#(<= ULTIMATE.start_main_~i~5 31), 36998#(<= ULTIMATE.start_main_~i~5 32), 36999#(<= ULTIMATE.start_main_~i~5 33), 37000#(<= ULTIMATE.start_main_~i~5 34), 37001#(<= ULTIMATE.start_main_~i~5 35), 37002#(<= ULTIMATE.start_main_~i~5 36), 37003#(<= ULTIMATE.start_main_~i~5 37), 37004#(<= ULTIMATE.start_main_~i~5 38), 37005#(<= ULTIMATE.start_main_~i~5 39), 37006#(<= ULTIMATE.start_main_~i~5 40), 37007#(<= ULTIMATE.start_main_~i~5 41), 37008#(<= ULTIMATE.start_main_~i~5 42), 37009#(<= ULTIMATE.start_main_~i~5 43), 37010#(<= ULTIMATE.start_main_~i~5 44), 37011#(<= ULTIMATE.start_main_~i~5 45), 37012#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 37013#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 37014#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 37015#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 37016#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 37017#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 37018#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 37019#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 37020#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 37021#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 37022#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 37023#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 37024#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 37025#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 37026#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 37027#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 37028#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 37029#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 37030#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 37031#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 37032#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 37033#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 37034#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 37035#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 37036#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 37037#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 37038#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 37039#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 37040#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 37041#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 37042#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 37043#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 37044#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 37045#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 37046#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 37047#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 37048#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 37049#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 37050#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 37051#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 37052#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 37053#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 37054#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 37055#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 37056#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 36964#true, 36965#false, 36966#(<= ULTIMATE.start_main_~i~5 0), 36967#(<= ULTIMATE.start_main_~i~5 1), 36968#(<= ULTIMATE.start_main_~i~5 2), 36969#(<= ULTIMATE.start_main_~i~5 3), 36970#(<= ULTIMATE.start_main_~i~5 4), 36971#(<= ULTIMATE.start_main_~i~5 5), 36972#(<= ULTIMATE.start_main_~i~5 6), 36973#(<= ULTIMATE.start_main_~i~5 7), 36974#(<= ULTIMATE.start_main_~i~5 8), 36975#(<= ULTIMATE.start_main_~i~5 9), 36976#(<= ULTIMATE.start_main_~i~5 10), 36977#(<= ULTIMATE.start_main_~i~5 11), 36978#(<= ULTIMATE.start_main_~i~5 12), 36979#(<= ULTIMATE.start_main_~i~5 13), 36980#(<= ULTIMATE.start_main_~i~5 14), 36981#(<= ULTIMATE.start_main_~i~5 15), 36982#(<= ULTIMATE.start_main_~i~5 16), 36983#(<= ULTIMATE.start_main_~i~5 17), 36984#(<= ULTIMATE.start_main_~i~5 18), 36985#(<= ULTIMATE.start_main_~i~5 19), 36986#(<= ULTIMATE.start_main_~i~5 20), 36987#(<= ULTIMATE.start_main_~i~5 21), 36988#(<= ULTIMATE.start_main_~i~5 22), 36989#(<= ULTIMATE.start_main_~i~5 23), 36990#(<= ULTIMATE.start_main_~i~5 24), 36991#(<= ULTIMATE.start_main_~i~5 25)] [2018-07-23 13:46:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 2070 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,908 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:46:19,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:46:19,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2208, Invalid=6348, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:46:19,909 INFO L87 Difference]: Start difference. First operand 187 states and 188 transitions. Second operand 93 states. [2018-07-23 13:46:20,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:20,304 INFO L93 Difference]: Finished difference Result 283 states and 285 transitions. [2018-07-23 13:46:20,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:46:20,304 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 186 [2018-07-23 13:46:20,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:20,306 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:46:20,306 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:46:20,308 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2971 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5358, Invalid=13548, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:46:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:46:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:46:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:46:20,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 190 transitions. [2018-07-23 13:46:20,326 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 190 transitions. Word has length 186 [2018-07-23 13:46:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:20,326 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 190 transitions. [2018-07-23 13:46:20,326 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:46:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 190 transitions. [2018-07-23 13:46:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:46:20,328 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:20,328 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 46, 45, 1, 1, 1, 1] [2018-07-23 13:46:20,328 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:20,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1230944765, now seen corresponding path program 69 times [2018-07-23 13:46:20,329 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4232 backedges. 2162 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:20,595 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:20,596 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:46:20,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:20,596 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 13:46:20,596 INFO L185 omatonBuilderFactory]: Interpolants [38091#true, 38092#false, 38093#(<= 0 ULTIMATE.start_main_~k~5), 38094#(<= 1 ULTIMATE.start_main_~k~5), 38095#(<= 2 ULTIMATE.start_main_~k~5), 38096#(<= 3 ULTIMATE.start_main_~k~5), 38097#(<= 4 ULTIMATE.start_main_~k~5), 38098#(<= 5 ULTIMATE.start_main_~k~5), 38099#(<= 6 ULTIMATE.start_main_~k~5), 38100#(<= 7 ULTIMATE.start_main_~k~5), 38101#(<= 8 ULTIMATE.start_main_~k~5), 38102#(<= 9 ULTIMATE.start_main_~k~5), 38103#(<= 10 ULTIMATE.start_main_~k~5), 38104#(<= 11 ULTIMATE.start_main_~k~5), 38105#(<= 12 ULTIMATE.start_main_~k~5), 38106#(<= 13 ULTIMATE.start_main_~k~5), 38107#(<= 14 ULTIMATE.start_main_~k~5), 38108#(<= 15 ULTIMATE.start_main_~k~5), 38109#(<= 16 ULTIMATE.start_main_~k~5), 38110#(<= 17 ULTIMATE.start_main_~k~5), 38111#(<= 18 ULTIMATE.start_main_~k~5), 38112#(<= 19 ULTIMATE.start_main_~k~5), 38113#(<= 20 ULTIMATE.start_main_~k~5), 38114#(<= 21 ULTIMATE.start_main_~k~5), 38115#(<= 22 ULTIMATE.start_main_~k~5), 38116#(<= 23 ULTIMATE.start_main_~k~5), 38117#(<= 24 ULTIMATE.start_main_~k~5), 38118#(<= 25 ULTIMATE.start_main_~k~5), 38119#(<= 26 ULTIMATE.start_main_~k~5), 38120#(<= 27 ULTIMATE.start_main_~k~5), 38121#(<= 28 ULTIMATE.start_main_~k~5), 38122#(<= 29 ULTIMATE.start_main_~k~5), 38123#(<= 30 ULTIMATE.start_main_~k~5), 38124#(<= 31 ULTIMATE.start_main_~k~5), 38125#(<= 32 ULTIMATE.start_main_~k~5), 38126#(<= 33 ULTIMATE.start_main_~k~5), 38127#(<= 34 ULTIMATE.start_main_~k~5), 38128#(<= 35 ULTIMATE.start_main_~k~5), 38129#(<= 36 ULTIMATE.start_main_~k~5), 38130#(<= 37 ULTIMATE.start_main_~k~5), 38131#(<= 38 ULTIMATE.start_main_~k~5), 38132#(<= 39 ULTIMATE.start_main_~k~5), 38133#(<= 40 ULTIMATE.start_main_~k~5), 38134#(<= 41 ULTIMATE.start_main_~k~5), 38135#(<= 42 ULTIMATE.start_main_~k~5), 38136#(<= 43 ULTIMATE.start_main_~k~5), 38137#(<= 44 ULTIMATE.start_main_~k~5), 38138#(<= 45 ULTIMATE.start_main_~k~5), 38139#(<= 46 ULTIMATE.start_main_~k~5), 38140#(and (<= 46 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 38141#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4232 backedges. 2162 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:20,597 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:46:20,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:46:20,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:46:20,598 INFO L87 Difference]: Start difference. First operand 189 states and 190 transitions. Second operand 51 states. [2018-07-23 13:46:20,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:20,822 INFO L93 Difference]: Finished difference Result 195 states and 197 transitions. [2018-07-23 13:46:20,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:46:20,823 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 188 [2018-07-23 13:46:20,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:20,824 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:46:20,824 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:46:20,825 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2209 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3578, Invalid=5928, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:46:20,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:46:20,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:46:20,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:46:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 194 transitions. [2018-07-23 13:46:20,843 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 194 transitions. Word has length 188 [2018-07-23 13:46:20,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:20,844 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 194 transitions. [2018-07-23 13:46:20,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:46:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2018-07-23 13:46:20,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:46:20,850 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:20,851 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 47, 46, 1, 1, 1, 1] [2018-07-23 13:46:20,851 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:20,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1538846455, now seen corresponding path program 70 times [2018-07-23 13:46:20,851 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 2256 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,324 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:21,325 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:46:21,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:21,325 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 13:46:21,325 INFO L185 omatonBuilderFactory]: Interpolants [39040#(<= ULTIMATE.start_main_~i~5 26), 39041#(<= ULTIMATE.start_main_~i~5 27), 39042#(<= ULTIMATE.start_main_~i~5 28), 39043#(<= ULTIMATE.start_main_~i~5 29), 39044#(<= ULTIMATE.start_main_~i~5 30), 39045#(<= ULTIMATE.start_main_~i~5 31), 39046#(<= ULTIMATE.start_main_~i~5 32), 39047#(<= ULTIMATE.start_main_~i~5 33), 39048#(<= ULTIMATE.start_main_~i~5 34), 39049#(<= ULTIMATE.start_main_~i~5 35), 39050#(<= ULTIMATE.start_main_~i~5 36), 39051#(<= ULTIMATE.start_main_~i~5 37), 39052#(<= ULTIMATE.start_main_~i~5 38), 39053#(<= ULTIMATE.start_main_~i~5 39), 39054#(<= ULTIMATE.start_main_~i~5 40), 39055#(<= ULTIMATE.start_main_~i~5 41), 39056#(<= ULTIMATE.start_main_~i~5 42), 39057#(<= ULTIMATE.start_main_~i~5 43), 39058#(<= ULTIMATE.start_main_~i~5 44), 39059#(<= ULTIMATE.start_main_~i~5 45), 39060#(<= ULTIMATE.start_main_~i~5 46), 39061#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 39062#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 39063#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 39064#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 39065#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 39066#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 39067#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 39068#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 39069#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 39070#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 39071#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 39072#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 39073#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 39074#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 39075#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 39076#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 39077#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 39078#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 39079#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 39080#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 39081#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 39082#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 39083#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 39084#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 39085#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 39086#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 39087#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 39088#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 39089#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 39090#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 39091#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 39092#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 39093#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 39094#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 39095#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 39096#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 39097#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 39098#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 39099#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 39100#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 39101#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 39102#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 39103#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 39104#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 39105#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 39106#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 39107#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 39012#true, 39013#false, 39014#(<= ULTIMATE.start_main_~i~5 0), 39015#(<= ULTIMATE.start_main_~i~5 1), 39016#(<= ULTIMATE.start_main_~i~5 2), 39017#(<= ULTIMATE.start_main_~i~5 3), 39018#(<= ULTIMATE.start_main_~i~5 4), 39019#(<= ULTIMATE.start_main_~i~5 5), 39020#(<= ULTIMATE.start_main_~i~5 6), 39021#(<= ULTIMATE.start_main_~i~5 7), 39022#(<= ULTIMATE.start_main_~i~5 8), 39023#(<= ULTIMATE.start_main_~i~5 9), 39024#(<= ULTIMATE.start_main_~i~5 10), 39025#(<= ULTIMATE.start_main_~i~5 11), 39026#(<= ULTIMATE.start_main_~i~5 12), 39027#(<= ULTIMATE.start_main_~i~5 13), 39028#(<= ULTIMATE.start_main_~i~5 14), 39029#(<= ULTIMATE.start_main_~i~5 15), 39030#(<= ULTIMATE.start_main_~i~5 16), 39031#(<= ULTIMATE.start_main_~i~5 17), 39032#(<= ULTIMATE.start_main_~i~5 18), 39033#(<= ULTIMATE.start_main_~i~5 19), 39034#(<= ULTIMATE.start_main_~i~5 20), 39035#(<= ULTIMATE.start_main_~i~5 21), 39036#(<= ULTIMATE.start_main_~i~5 22), 39037#(<= ULTIMATE.start_main_~i~5 23), 39038#(<= ULTIMATE.start_main_~i~5 24), 39039#(<= ULTIMATE.start_main_~i~5 25)] [2018-07-23 13:46:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 2256 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,326 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:46:21,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:46:21,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:46:21,327 INFO L87 Difference]: Start difference. First operand 193 states and 194 transitions. Second operand 96 states. [2018-07-23 13:46:21,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:21,708 INFO L93 Difference]: Finished difference Result 293 states and 295 transitions. [2018-07-23 13:46:21,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:46:21,708 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 192 [2018-07-23 13:46:21,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:21,713 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:46:21,713 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:46:21,715 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3197 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5640, Invalid=14382, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:46:21,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:46:21,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:46:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:46:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 196 transitions. [2018-07-23 13:46:21,732 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 196 transitions. Word has length 192 [2018-07-23 13:46:21,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:21,735 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 196 transitions. [2018-07-23 13:46:21,735 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:46:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 196 transitions. [2018-07-23 13:46:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:46:21,737 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:21,738 INFO L357 BasicCegarLoop]: trace histogram [48, 48, 47, 47, 1, 1, 1, 1] [2018-07-23 13:46:21,738 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:21,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1328268813, now seen corresponding path program 71 times [2018-07-23 13:46:21,738 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2256 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:22,225 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:22,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:46:22,225 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:22,226 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 13:46:22,226 INFO L185 omatonBuilderFactory]: Interpolants [40192#(<= ULTIMATE.start_main_~i~5 14), 40193#(<= ULTIMATE.start_main_~i~5 15), 40194#(<= ULTIMATE.start_main_~i~5 16), 40195#(<= ULTIMATE.start_main_~i~5 17), 40196#(<= ULTIMATE.start_main_~i~5 18), 40197#(<= ULTIMATE.start_main_~i~5 19), 40198#(<= ULTIMATE.start_main_~i~5 20), 40199#(<= ULTIMATE.start_main_~i~5 21), 40200#(<= ULTIMATE.start_main_~i~5 22), 40201#(<= ULTIMATE.start_main_~i~5 23), 40202#(<= ULTIMATE.start_main_~i~5 24), 40203#(<= ULTIMATE.start_main_~i~5 25), 40204#(<= ULTIMATE.start_main_~i~5 26), 40205#(<= ULTIMATE.start_main_~i~5 27), 40206#(<= ULTIMATE.start_main_~i~5 28), 40207#(<= ULTIMATE.start_main_~i~5 29), 40208#(<= ULTIMATE.start_main_~i~5 30), 40209#(<= ULTIMATE.start_main_~i~5 31), 40210#(<= ULTIMATE.start_main_~i~5 32), 40211#(<= ULTIMATE.start_main_~i~5 33), 40212#(<= ULTIMATE.start_main_~i~5 34), 40213#(<= ULTIMATE.start_main_~i~5 35), 40214#(<= ULTIMATE.start_main_~i~5 36), 40215#(<= ULTIMATE.start_main_~i~5 37), 40216#(<= ULTIMATE.start_main_~i~5 38), 40217#(<= ULTIMATE.start_main_~i~5 39), 40218#(<= ULTIMATE.start_main_~i~5 40), 40219#(<= ULTIMATE.start_main_~i~5 41), 40220#(<= ULTIMATE.start_main_~i~5 42), 40221#(<= ULTIMATE.start_main_~i~5 43), 40222#(<= ULTIMATE.start_main_~i~5 44), 40223#(<= ULTIMATE.start_main_~i~5 45), 40224#(<= ULTIMATE.start_main_~i~5 46), 40225#(<= ULTIMATE.start_main_~i~5 47), 40226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 40227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 40228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 40229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 40230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 40231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 40232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 40233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 40234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 40235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 40236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 40237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 40238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 40239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 40240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 40241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 40242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 40243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 40244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 40245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 40246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 40247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 40248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 40249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 40250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 40251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 40252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 40253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 40254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 40255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 40256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 40257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 40258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 40259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 40260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 40261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 40262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 40263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 40264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 40265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 40266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 40267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 40268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 40269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 40270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 40271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 40272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 40176#true, 40177#false, 40178#(<= ULTIMATE.start_main_~i~5 0), 40179#(<= ULTIMATE.start_main_~i~5 1), 40180#(<= ULTIMATE.start_main_~i~5 2), 40181#(<= ULTIMATE.start_main_~i~5 3), 40182#(<= ULTIMATE.start_main_~i~5 4), 40183#(<= ULTIMATE.start_main_~i~5 5), 40184#(<= ULTIMATE.start_main_~i~5 6), 40185#(<= ULTIMATE.start_main_~i~5 7), 40186#(<= ULTIMATE.start_main_~i~5 8), 40187#(<= ULTIMATE.start_main_~i~5 9), 40188#(<= ULTIMATE.start_main_~i~5 10), 40189#(<= ULTIMATE.start_main_~i~5 11), 40190#(<= ULTIMATE.start_main_~i~5 12), 40191#(<= ULTIMATE.start_main_~i~5 13)] [2018-07-23 13:46:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2256 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:22,227 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:46:22,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:46:22,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2400, Invalid=6912, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:46:22,228 INFO L87 Difference]: Start difference. First operand 195 states and 196 transitions. Second operand 97 states. [2018-07-23 13:46:22,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:22,603 INFO L93 Difference]: Finished difference Result 295 states and 297 transitions. [2018-07-23 13:46:22,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:46:22,604 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 194 [2018-07-23 13:46:22,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:22,605 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:46:22,605 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:46:22,607 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3244 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5831, Invalid=14761, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:46:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:46:22,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:46:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:46:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 198 transitions. [2018-07-23 13:46:22,625 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 198 transitions. Word has length 194 [2018-07-23 13:46:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:22,625 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 198 transitions. [2018-07-23 13:46:22,625 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:46:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 198 transitions. [2018-07-23 13:46:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:46:22,627 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:22,627 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 48, 47, 1, 1, 1, 1] [2018-07-23 13:46:22,628 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:22,628 INFO L82 PathProgramCache]: Analyzing trace with hash 742962671, now seen corresponding path program 72 times [2018-07-23 13:46:22,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4608 backedges. 2352 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:22,888 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:22,888 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:46:22,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:22,889 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 13:46:22,889 INFO L185 omatonBuilderFactory]: Interpolants [41351#true, 41352#false, 41353#(<= 0 ULTIMATE.start_main_~k~5), 41354#(<= 1 ULTIMATE.start_main_~k~5), 41355#(<= 2 ULTIMATE.start_main_~k~5), 41356#(<= 3 ULTIMATE.start_main_~k~5), 41357#(<= 4 ULTIMATE.start_main_~k~5), 41358#(<= 5 ULTIMATE.start_main_~k~5), 41359#(<= 6 ULTIMATE.start_main_~k~5), 41360#(<= 7 ULTIMATE.start_main_~k~5), 41361#(<= 8 ULTIMATE.start_main_~k~5), 41362#(<= 9 ULTIMATE.start_main_~k~5), 41363#(<= 10 ULTIMATE.start_main_~k~5), 41364#(<= 11 ULTIMATE.start_main_~k~5), 41365#(<= 12 ULTIMATE.start_main_~k~5), 41366#(<= 13 ULTIMATE.start_main_~k~5), 41367#(<= 14 ULTIMATE.start_main_~k~5), 41368#(<= 15 ULTIMATE.start_main_~k~5), 41369#(<= 16 ULTIMATE.start_main_~k~5), 41370#(<= 17 ULTIMATE.start_main_~k~5), 41371#(<= 18 ULTIMATE.start_main_~k~5), 41372#(<= 19 ULTIMATE.start_main_~k~5), 41373#(<= 20 ULTIMATE.start_main_~k~5), 41374#(<= 21 ULTIMATE.start_main_~k~5), 41375#(<= 22 ULTIMATE.start_main_~k~5), 41376#(<= 23 ULTIMATE.start_main_~k~5), 41377#(<= 24 ULTIMATE.start_main_~k~5), 41378#(<= 25 ULTIMATE.start_main_~k~5), 41379#(<= 26 ULTIMATE.start_main_~k~5), 41380#(<= 27 ULTIMATE.start_main_~k~5), 41381#(<= 28 ULTIMATE.start_main_~k~5), 41382#(<= 29 ULTIMATE.start_main_~k~5), 41383#(<= 30 ULTIMATE.start_main_~k~5), 41384#(<= 31 ULTIMATE.start_main_~k~5), 41385#(<= 32 ULTIMATE.start_main_~k~5), 41386#(<= 33 ULTIMATE.start_main_~k~5), 41387#(<= 34 ULTIMATE.start_main_~k~5), 41388#(<= 35 ULTIMATE.start_main_~k~5), 41389#(<= 36 ULTIMATE.start_main_~k~5), 41390#(<= 37 ULTIMATE.start_main_~k~5), 41391#(<= 38 ULTIMATE.start_main_~k~5), 41392#(<= 39 ULTIMATE.start_main_~k~5), 41393#(<= 40 ULTIMATE.start_main_~k~5), 41394#(<= 41 ULTIMATE.start_main_~k~5), 41395#(<= 42 ULTIMATE.start_main_~k~5), 41396#(<= 43 ULTIMATE.start_main_~k~5), 41397#(<= 44 ULTIMATE.start_main_~k~5), 41398#(<= 45 ULTIMATE.start_main_~k~5), 41399#(<= 46 ULTIMATE.start_main_~k~5), 41400#(<= 47 ULTIMATE.start_main_~k~5), 41401#(<= 48 ULTIMATE.start_main_~k~5), 41402#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 48 ULTIMATE.start_main_~k~5)), 41403#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4608 backedges. 2352 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:22,890 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:46:22,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:46:22,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:46:22,890 INFO L87 Difference]: Start difference. First operand 197 states and 198 transitions. Second operand 53 states. [2018-07-23 13:46:23,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:23,078 INFO L93 Difference]: Finished difference Result 203 states and 205 transitions. [2018-07-23 13:46:23,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:46:23,078 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 196 [2018-07-23 13:46:23,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:23,080 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:46:23,080 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:46:23,081 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2401 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3877, Invalid=6425, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:46:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:46:23,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:46:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:46:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 202 transitions. [2018-07-23 13:46:23,099 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 202 transitions. Word has length 196 [2018-07-23 13:46:23,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:23,100 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 202 transitions. [2018-07-23 13:46:23,100 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:46:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 202 transitions. [2018-07-23 13:46:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:46:23,102 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:23,102 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 49, 48, 1, 1, 1, 1] [2018-07-23 13:46:23,102 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:23,103 INFO L82 PathProgramCache]: Analyzing trace with hash -821131037, now seen corresponding path program 73 times [2018-07-23 13:46:23,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4802 backedges. 2450 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,498 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:23,498 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:46:23,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:23,498 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 13:46:23,499 INFO L185 omatonBuilderFactory]: Interpolants [42310#true, 42311#false, 42312#(<= ULTIMATE.start_main_~i~5 0), 42313#(<= ULTIMATE.start_main_~i~5 1), 42314#(<= ULTIMATE.start_main_~i~5 2), 42315#(<= ULTIMATE.start_main_~i~5 3), 42316#(<= ULTIMATE.start_main_~i~5 4), 42317#(<= ULTIMATE.start_main_~i~5 5), 42318#(<= ULTIMATE.start_main_~i~5 6), 42319#(<= ULTIMATE.start_main_~i~5 7), 42320#(<= ULTIMATE.start_main_~i~5 8), 42321#(<= ULTIMATE.start_main_~i~5 9), 42322#(<= ULTIMATE.start_main_~i~5 10), 42323#(<= ULTIMATE.start_main_~i~5 11), 42324#(<= ULTIMATE.start_main_~i~5 12), 42325#(<= ULTIMATE.start_main_~i~5 13), 42326#(<= ULTIMATE.start_main_~i~5 14), 42327#(<= ULTIMATE.start_main_~i~5 15), 42328#(<= ULTIMATE.start_main_~i~5 16), 42329#(<= ULTIMATE.start_main_~i~5 17), 42330#(<= ULTIMATE.start_main_~i~5 18), 42331#(<= ULTIMATE.start_main_~i~5 19), 42332#(<= ULTIMATE.start_main_~i~5 20), 42333#(<= ULTIMATE.start_main_~i~5 21), 42334#(<= ULTIMATE.start_main_~i~5 22), 42335#(<= ULTIMATE.start_main_~i~5 23), 42336#(<= ULTIMATE.start_main_~i~5 24), 42337#(<= ULTIMATE.start_main_~i~5 25), 42338#(<= ULTIMATE.start_main_~i~5 26), 42339#(<= ULTIMATE.start_main_~i~5 27), 42340#(<= ULTIMATE.start_main_~i~5 28), 42341#(<= ULTIMATE.start_main_~i~5 29), 42342#(<= ULTIMATE.start_main_~i~5 30), 42343#(<= ULTIMATE.start_main_~i~5 31), 42344#(<= ULTIMATE.start_main_~i~5 32), 42345#(<= ULTIMATE.start_main_~i~5 33), 42346#(<= ULTIMATE.start_main_~i~5 34), 42347#(<= ULTIMATE.start_main_~i~5 35), 42348#(<= ULTIMATE.start_main_~i~5 36), 42349#(<= ULTIMATE.start_main_~i~5 37), 42350#(<= ULTIMATE.start_main_~i~5 38), 42351#(<= ULTIMATE.start_main_~i~5 39), 42352#(<= ULTIMATE.start_main_~i~5 40), 42353#(<= ULTIMATE.start_main_~i~5 41), 42354#(<= ULTIMATE.start_main_~i~5 42), 42355#(<= ULTIMATE.start_main_~i~5 43), 42356#(<= ULTIMATE.start_main_~i~5 44), 42357#(<= ULTIMATE.start_main_~i~5 45), 42358#(<= ULTIMATE.start_main_~i~5 46), 42359#(<= ULTIMATE.start_main_~i~5 47), 42360#(<= ULTIMATE.start_main_~i~5 48), 42361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 42362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 42363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 42364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 42365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 42366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 42367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 42368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 42369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 42370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 42371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 42372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 42373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 42374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 42375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 42376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 42377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 42378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 42379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 42380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 42381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 42382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 42383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 42384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 42385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 42386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 42387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 42388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 42389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 42390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 42391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 42392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 42393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 42394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 42395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 42396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 42397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 42398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 42399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 42400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 42401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 42402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 42403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 42404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 42405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 42406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 42407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 42408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 42409#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4802 backedges. 2450 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,499 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:46:23,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:46:23,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2549, Invalid=7351, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:46:23,500 INFO L87 Difference]: Start difference. First operand 201 states and 202 transitions. Second operand 100 states. [2018-07-23 13:46:23,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:23,944 INFO L93 Difference]: Finished difference Result 305 states and 307 transitions. [2018-07-23 13:46:23,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:46:23,944 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 200 [2018-07-23 13:46:23,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:23,945 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:46:23,945 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:46:23,947 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3480 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6125, Invalid=15631, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:46:23,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:46:23,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:46:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:46:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 204 transitions. [2018-07-23 13:46:23,967 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 204 transitions. Word has length 200 [2018-07-23 13:46:23,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:23,968 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 204 transitions. [2018-07-23 13:46:23,968 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:46:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 204 transitions. [2018-07-23 13:46:23,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:46:23,969 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:23,969 INFO L357 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 1, 1, 1, 1] [2018-07-23 13:46:23,970 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:23,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1801644065, now seen corresponding path program 74 times [2018-07-23 13:46:23,970 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:24,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2450 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:24,461 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:24,461 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:46:24,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:24,462 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 13:46:24,462 INFO L185 omatonBuilderFactory]: Interpolants [43522#true, 43523#false, 43524#(<= ULTIMATE.start_main_~i~5 0), 43525#(<= ULTIMATE.start_main_~i~5 1), 43526#(<= ULTIMATE.start_main_~i~5 2), 43527#(<= ULTIMATE.start_main_~i~5 3), 43528#(<= ULTIMATE.start_main_~i~5 4), 43529#(<= ULTIMATE.start_main_~i~5 5), 43530#(<= ULTIMATE.start_main_~i~5 6), 43531#(<= ULTIMATE.start_main_~i~5 7), 43532#(<= ULTIMATE.start_main_~i~5 8), 43533#(<= ULTIMATE.start_main_~i~5 9), 43534#(<= ULTIMATE.start_main_~i~5 10), 43535#(<= ULTIMATE.start_main_~i~5 11), 43536#(<= ULTIMATE.start_main_~i~5 12), 43537#(<= ULTIMATE.start_main_~i~5 13), 43538#(<= ULTIMATE.start_main_~i~5 14), 43539#(<= ULTIMATE.start_main_~i~5 15), 43540#(<= ULTIMATE.start_main_~i~5 16), 43541#(<= ULTIMATE.start_main_~i~5 17), 43542#(<= ULTIMATE.start_main_~i~5 18), 43543#(<= ULTIMATE.start_main_~i~5 19), 43544#(<= ULTIMATE.start_main_~i~5 20), 43545#(<= ULTIMATE.start_main_~i~5 21), 43546#(<= ULTIMATE.start_main_~i~5 22), 43547#(<= ULTIMATE.start_main_~i~5 23), 43548#(<= ULTIMATE.start_main_~i~5 24), 43549#(<= ULTIMATE.start_main_~i~5 25), 43550#(<= ULTIMATE.start_main_~i~5 26), 43551#(<= ULTIMATE.start_main_~i~5 27), 43552#(<= ULTIMATE.start_main_~i~5 28), 43553#(<= ULTIMATE.start_main_~i~5 29), 43554#(<= ULTIMATE.start_main_~i~5 30), 43555#(<= ULTIMATE.start_main_~i~5 31), 43556#(<= ULTIMATE.start_main_~i~5 32), 43557#(<= ULTIMATE.start_main_~i~5 33), 43558#(<= ULTIMATE.start_main_~i~5 34), 43559#(<= ULTIMATE.start_main_~i~5 35), 43560#(<= ULTIMATE.start_main_~i~5 36), 43561#(<= ULTIMATE.start_main_~i~5 37), 43562#(<= ULTIMATE.start_main_~i~5 38), 43563#(<= ULTIMATE.start_main_~i~5 39), 43564#(<= ULTIMATE.start_main_~i~5 40), 43565#(<= ULTIMATE.start_main_~i~5 41), 43566#(<= ULTIMATE.start_main_~i~5 42), 43567#(<= ULTIMATE.start_main_~i~5 43), 43568#(<= ULTIMATE.start_main_~i~5 44), 43569#(<= ULTIMATE.start_main_~i~5 45), 43570#(<= ULTIMATE.start_main_~i~5 46), 43571#(<= ULTIMATE.start_main_~i~5 47), 43572#(<= ULTIMATE.start_main_~i~5 48), 43573#(<= ULTIMATE.start_main_~i~5 49), 43574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 43575#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 43576#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 43577#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 43578#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 43579#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 43580#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 43581#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 43582#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 43583#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 43584#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 43585#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 43586#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 43587#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 43588#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 43589#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 43590#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 43591#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 43592#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 43593#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 43594#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 43595#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 43596#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 43597#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 43598#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 43599#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 43600#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 43601#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 43602#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 43603#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 43604#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 43605#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 43606#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 43607#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 43608#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 43609#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 43610#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 43611#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 43612#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 43613#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 43614#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 43615#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 43616#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 43617#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 43618#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 43619#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 43620#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 43621#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 43622#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2450 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:24,463 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:46:24,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:46:24,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2600, Invalid=7500, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:46:24,464 INFO L87 Difference]: Start difference. First operand 203 states and 204 transitions. Second operand 101 states. [2018-07-23 13:46:24,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:24,847 INFO L93 Difference]: Finished difference Result 307 states and 309 transitions. [2018-07-23 13:46:24,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:46:24,847 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 202 [2018-07-23 13:46:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:24,848 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:46:24,848 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:46:24,850 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3529 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6324, Invalid=16026, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:46:24,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:46:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:46:24,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:46:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 206 transitions. [2018-07-23 13:46:24,864 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 206 transitions. Word has length 202 [2018-07-23 13:46:24,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:24,864 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 206 transitions. [2018-07-23 13:46:24,864 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:46:24,865 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 206 transitions. [2018-07-23 13:46:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:46:24,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:24,865 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 50, 49, 1, 1, 1, 1] [2018-07-23 13:46:24,865 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:24,866 INFO L82 PathProgramCache]: Analyzing trace with hash 818141147, now seen corresponding path program 75 times [2018-07-23 13:46:24,866 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 2550 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,063 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:25,063 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:46:25,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:25,064 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 13:46:25,064 INFO L185 omatonBuilderFactory]: Interpolants [44745#true, 44746#false, 44747#(<= 0 ULTIMATE.start_main_~k~5), 44748#(<= 1 ULTIMATE.start_main_~k~5), 44749#(<= 2 ULTIMATE.start_main_~k~5), 44750#(<= 3 ULTIMATE.start_main_~k~5), 44751#(<= 4 ULTIMATE.start_main_~k~5), 44752#(<= 5 ULTIMATE.start_main_~k~5), 44753#(<= 6 ULTIMATE.start_main_~k~5), 44754#(<= 7 ULTIMATE.start_main_~k~5), 44755#(<= 8 ULTIMATE.start_main_~k~5), 44756#(<= 9 ULTIMATE.start_main_~k~5), 44757#(<= 10 ULTIMATE.start_main_~k~5), 44758#(<= 11 ULTIMATE.start_main_~k~5), 44759#(<= 12 ULTIMATE.start_main_~k~5), 44760#(<= 13 ULTIMATE.start_main_~k~5), 44761#(<= 14 ULTIMATE.start_main_~k~5), 44762#(<= 15 ULTIMATE.start_main_~k~5), 44763#(<= 16 ULTIMATE.start_main_~k~5), 44764#(<= 17 ULTIMATE.start_main_~k~5), 44765#(<= 18 ULTIMATE.start_main_~k~5), 44766#(<= 19 ULTIMATE.start_main_~k~5), 44767#(<= 20 ULTIMATE.start_main_~k~5), 44768#(<= 21 ULTIMATE.start_main_~k~5), 44769#(<= 22 ULTIMATE.start_main_~k~5), 44770#(<= 23 ULTIMATE.start_main_~k~5), 44771#(<= 24 ULTIMATE.start_main_~k~5), 44772#(<= 25 ULTIMATE.start_main_~k~5), 44773#(<= 26 ULTIMATE.start_main_~k~5), 44774#(<= 27 ULTIMATE.start_main_~k~5), 44775#(<= 28 ULTIMATE.start_main_~k~5), 44776#(<= 29 ULTIMATE.start_main_~k~5), 44777#(<= 30 ULTIMATE.start_main_~k~5), 44778#(<= 31 ULTIMATE.start_main_~k~5), 44779#(<= 32 ULTIMATE.start_main_~k~5), 44780#(<= 33 ULTIMATE.start_main_~k~5), 44781#(<= 34 ULTIMATE.start_main_~k~5), 44782#(<= 35 ULTIMATE.start_main_~k~5), 44783#(<= 36 ULTIMATE.start_main_~k~5), 44784#(<= 37 ULTIMATE.start_main_~k~5), 44785#(<= 38 ULTIMATE.start_main_~k~5), 44786#(<= 39 ULTIMATE.start_main_~k~5), 44787#(<= 40 ULTIMATE.start_main_~k~5), 44788#(<= 41 ULTIMATE.start_main_~k~5), 44789#(<= 42 ULTIMATE.start_main_~k~5), 44790#(<= 43 ULTIMATE.start_main_~k~5), 44791#(<= 44 ULTIMATE.start_main_~k~5), 44792#(<= 45 ULTIMATE.start_main_~k~5), 44793#(<= 46 ULTIMATE.start_main_~k~5), 44794#(<= 47 ULTIMATE.start_main_~k~5), 44795#(<= 48 ULTIMATE.start_main_~k~5), 44796#(<= 49 ULTIMATE.start_main_~k~5), 44797#(<= 50 ULTIMATE.start_main_~k~5), 44798#(and (<= 50 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 44799#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 2550 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,064 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:46:25,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:46:25,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:46:25,065 INFO L87 Difference]: Start difference. First operand 205 states and 206 transitions. Second operand 55 states. [2018-07-23 13:46:25,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:25,232 INFO L93 Difference]: Finished difference Result 211 states and 213 transitions. [2018-07-23 13:46:25,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:46:25,232 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 204 [2018-07-23 13:46:25,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:25,233 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:46:25,233 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:46:25,235 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2601 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4188, Invalid=6942, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:46:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:46:25,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:46:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:46:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 210 transitions. [2018-07-23 13:46:25,256 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 210 transitions. Word has length 204 [2018-07-23 13:46:25,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:25,257 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 210 transitions. [2018-07-23 13:46:25,257 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:46:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 210 transitions. [2018-07-23 13:46:25,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:46:25,258 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:25,258 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 51, 50, 1, 1, 1, 1] [2018-07-23 13:46:25,258 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:25,259 INFO L82 PathProgramCache]: Analyzing trace with hash -66136881, now seen corresponding path program 76 times [2018-07-23 13:46:25,259 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 2652 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,736 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:25,736 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:46:25,736 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:25,736 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 13:46:25,737 INFO L185 omatonBuilderFactory]: Interpolants [45824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 45825#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 45826#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 45827#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 45828#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 45829#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 45830#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 45831#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 45832#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 45833#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 45834#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 45835#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 45836#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 45837#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 45838#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 45839#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 45840#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 45841#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 45842#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 45843#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 45844#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 45845#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 45742#true, 45743#false, 45744#(<= ULTIMATE.start_main_~i~5 0), 45745#(<= ULTIMATE.start_main_~i~5 1), 45746#(<= ULTIMATE.start_main_~i~5 2), 45747#(<= ULTIMATE.start_main_~i~5 3), 45748#(<= ULTIMATE.start_main_~i~5 4), 45749#(<= ULTIMATE.start_main_~i~5 5), 45750#(<= ULTIMATE.start_main_~i~5 6), 45751#(<= ULTIMATE.start_main_~i~5 7), 45752#(<= ULTIMATE.start_main_~i~5 8), 45753#(<= ULTIMATE.start_main_~i~5 9), 45754#(<= ULTIMATE.start_main_~i~5 10), 45755#(<= ULTIMATE.start_main_~i~5 11), 45756#(<= ULTIMATE.start_main_~i~5 12), 45757#(<= ULTIMATE.start_main_~i~5 13), 45758#(<= ULTIMATE.start_main_~i~5 14), 45759#(<= ULTIMATE.start_main_~i~5 15), 45760#(<= ULTIMATE.start_main_~i~5 16), 45761#(<= ULTIMATE.start_main_~i~5 17), 45762#(<= ULTIMATE.start_main_~i~5 18), 45763#(<= ULTIMATE.start_main_~i~5 19), 45764#(<= ULTIMATE.start_main_~i~5 20), 45765#(<= ULTIMATE.start_main_~i~5 21), 45766#(<= ULTIMATE.start_main_~i~5 22), 45767#(<= ULTIMATE.start_main_~i~5 23), 45768#(<= ULTIMATE.start_main_~i~5 24), 45769#(<= ULTIMATE.start_main_~i~5 25), 45770#(<= ULTIMATE.start_main_~i~5 26), 45771#(<= ULTIMATE.start_main_~i~5 27), 45772#(<= ULTIMATE.start_main_~i~5 28), 45773#(<= ULTIMATE.start_main_~i~5 29), 45774#(<= ULTIMATE.start_main_~i~5 30), 45775#(<= ULTIMATE.start_main_~i~5 31), 45776#(<= ULTIMATE.start_main_~i~5 32), 45777#(<= ULTIMATE.start_main_~i~5 33), 45778#(<= ULTIMATE.start_main_~i~5 34), 45779#(<= ULTIMATE.start_main_~i~5 35), 45780#(<= ULTIMATE.start_main_~i~5 36), 45781#(<= ULTIMATE.start_main_~i~5 37), 45782#(<= ULTIMATE.start_main_~i~5 38), 45783#(<= ULTIMATE.start_main_~i~5 39), 45784#(<= ULTIMATE.start_main_~i~5 40), 45785#(<= ULTIMATE.start_main_~i~5 41), 45786#(<= ULTIMATE.start_main_~i~5 42), 45787#(<= ULTIMATE.start_main_~i~5 43), 45788#(<= ULTIMATE.start_main_~i~5 44), 45789#(<= ULTIMATE.start_main_~i~5 45), 45790#(<= ULTIMATE.start_main_~i~5 46), 45791#(<= ULTIMATE.start_main_~i~5 47), 45792#(<= ULTIMATE.start_main_~i~5 48), 45793#(<= ULTIMATE.start_main_~i~5 49), 45794#(<= ULTIMATE.start_main_~i~5 50), 45795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 45796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 45797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 45798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 45799#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 45800#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 45801#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 45802#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 45803#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 45804#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 45805#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 45806#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 45807#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 45808#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 45809#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 45810#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 45811#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 45812#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 45813#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 45814#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 45815#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 45816#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 45817#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 45818#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 45819#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 45820#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 45821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 45822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 45823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22))] [2018-07-23 13:46:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 2652 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,737 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:46:25,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:46:25,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2755, Invalid=7957, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:46:25,739 INFO L87 Difference]: Start difference. First operand 209 states and 210 transitions. Second operand 104 states. [2018-07-23 13:46:26,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:26,163 INFO L93 Difference]: Finished difference Result 317 states and 319 transitions. [2018-07-23 13:46:26,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:46:26,164 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 208 [2018-07-23 13:46:26,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:26,165 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:46:26,165 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:46:26,167 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3775 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6630, Invalid=16932, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:46:26,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:46:26,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:46:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:46:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 212 transitions. [2018-07-23 13:46:26,189 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 212 transitions. Word has length 208 [2018-07-23 13:46:26,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:26,190 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 212 transitions. [2018-07-23 13:46:26,190 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:46:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 212 transitions. [2018-07-23 13:46:26,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:46:26,191 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:26,191 INFO L357 BasicCegarLoop]: trace histogram [52, 52, 51, 51, 1, 1, 1, 1] [2018-07-23 13:46:26,191 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:26,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1015850955, now seen corresponding path program 77 times [2018-07-23 13:46:26,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 2652 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:26,585 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:26,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:46:26,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:26,585 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 13:46:26,586 INFO L185 omatonBuilderFactory]: Interpolants [47104#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 47105#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 47106#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 47002#true, 47003#false, 47004#(<= ULTIMATE.start_main_~i~5 0), 47005#(<= ULTIMATE.start_main_~i~5 1), 47006#(<= ULTIMATE.start_main_~i~5 2), 47007#(<= ULTIMATE.start_main_~i~5 3), 47008#(<= ULTIMATE.start_main_~i~5 4), 47009#(<= ULTIMATE.start_main_~i~5 5), 47010#(<= ULTIMATE.start_main_~i~5 6), 47011#(<= ULTIMATE.start_main_~i~5 7), 47012#(<= ULTIMATE.start_main_~i~5 8), 47013#(<= ULTIMATE.start_main_~i~5 9), 47014#(<= ULTIMATE.start_main_~i~5 10), 47015#(<= ULTIMATE.start_main_~i~5 11), 47016#(<= ULTIMATE.start_main_~i~5 12), 47017#(<= ULTIMATE.start_main_~i~5 13), 47018#(<= ULTIMATE.start_main_~i~5 14), 47019#(<= ULTIMATE.start_main_~i~5 15), 47020#(<= ULTIMATE.start_main_~i~5 16), 47021#(<= ULTIMATE.start_main_~i~5 17), 47022#(<= ULTIMATE.start_main_~i~5 18), 47023#(<= ULTIMATE.start_main_~i~5 19), 47024#(<= ULTIMATE.start_main_~i~5 20), 47025#(<= ULTIMATE.start_main_~i~5 21), 47026#(<= ULTIMATE.start_main_~i~5 22), 47027#(<= ULTIMATE.start_main_~i~5 23), 47028#(<= ULTIMATE.start_main_~i~5 24), 47029#(<= ULTIMATE.start_main_~i~5 25), 47030#(<= ULTIMATE.start_main_~i~5 26), 47031#(<= ULTIMATE.start_main_~i~5 27), 47032#(<= ULTIMATE.start_main_~i~5 28), 47033#(<= ULTIMATE.start_main_~i~5 29), 47034#(<= ULTIMATE.start_main_~i~5 30), 47035#(<= ULTIMATE.start_main_~i~5 31), 47036#(<= ULTIMATE.start_main_~i~5 32), 47037#(<= ULTIMATE.start_main_~i~5 33), 47038#(<= ULTIMATE.start_main_~i~5 34), 47039#(<= ULTIMATE.start_main_~i~5 35), 47040#(<= ULTIMATE.start_main_~i~5 36), 47041#(<= ULTIMATE.start_main_~i~5 37), 47042#(<= ULTIMATE.start_main_~i~5 38), 47043#(<= ULTIMATE.start_main_~i~5 39), 47044#(<= ULTIMATE.start_main_~i~5 40), 47045#(<= ULTIMATE.start_main_~i~5 41), 47046#(<= ULTIMATE.start_main_~i~5 42), 47047#(<= ULTIMATE.start_main_~i~5 43), 47048#(<= ULTIMATE.start_main_~i~5 44), 47049#(<= ULTIMATE.start_main_~i~5 45), 47050#(<= ULTIMATE.start_main_~i~5 46), 47051#(<= ULTIMATE.start_main_~i~5 47), 47052#(<= ULTIMATE.start_main_~i~5 48), 47053#(<= ULTIMATE.start_main_~i~5 49), 47054#(<= ULTIMATE.start_main_~i~5 50), 47055#(<= ULTIMATE.start_main_~i~5 51), 47056#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 47057#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 47058#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 47059#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 47060#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 47061#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 47062#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 47063#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 47064#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 47065#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 47066#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 47067#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 47068#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 47069#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 47070#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 47071#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 47072#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 47073#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 47074#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 47075#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 47076#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 47077#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 47078#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 47079#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 47080#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 47081#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 47082#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 47083#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 47084#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 47085#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 47086#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 47087#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 47088#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 47089#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 47090#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 47091#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 47092#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 47093#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 47094#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 47095#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 47096#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 47097#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 47098#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 47099#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 47100#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 47101#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 47102#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 47103#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4))] [2018-07-23 13:46:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 2652 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:26,586 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:46:26,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:46:26,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2808, Invalid=8112, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:46:26,587 INFO L87 Difference]: Start difference. First operand 211 states and 212 transitions. Second operand 105 states. [2018-07-23 13:46:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:27,012 INFO L93 Difference]: Finished difference Result 319 states and 321 transitions. [2018-07-23 13:46:27,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:46:27,013 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 210 [2018-07-23 13:46:27,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:27,014 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:46:27,014 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:46:27,016 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3826 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6837, Invalid=17343, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:46:27,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:46:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:46:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:46:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 214 transitions. [2018-07-23 13:46:27,032 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 214 transitions. Word has length 210 [2018-07-23 13:46:27,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:27,032 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 214 transitions. [2018-07-23 13:46:27,032 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:46:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 214 transitions. [2018-07-23 13:46:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:46:27,033 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:27,033 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 52, 51, 1, 1, 1, 1] [2018-07-23 13:46:27,034 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:27,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1424075719, now seen corresponding path program 78 times [2018-07-23 13:46:27,034 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 2756 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,303 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:27,303 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:46:27,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:27,303 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 13:46:27,303 INFO L185 omatonBuilderFactory]: Interpolants [48273#true, 48274#false, 48275#(<= 0 ULTIMATE.start_main_~k~5), 48276#(<= 1 ULTIMATE.start_main_~k~5), 48277#(<= 2 ULTIMATE.start_main_~k~5), 48278#(<= 3 ULTIMATE.start_main_~k~5), 48279#(<= 4 ULTIMATE.start_main_~k~5), 48280#(<= 5 ULTIMATE.start_main_~k~5), 48281#(<= 6 ULTIMATE.start_main_~k~5), 48282#(<= 7 ULTIMATE.start_main_~k~5), 48283#(<= 8 ULTIMATE.start_main_~k~5), 48284#(<= 9 ULTIMATE.start_main_~k~5), 48285#(<= 10 ULTIMATE.start_main_~k~5), 48286#(<= 11 ULTIMATE.start_main_~k~5), 48287#(<= 12 ULTIMATE.start_main_~k~5), 48288#(<= 13 ULTIMATE.start_main_~k~5), 48289#(<= 14 ULTIMATE.start_main_~k~5), 48290#(<= 15 ULTIMATE.start_main_~k~5), 48291#(<= 16 ULTIMATE.start_main_~k~5), 48292#(<= 17 ULTIMATE.start_main_~k~5), 48293#(<= 18 ULTIMATE.start_main_~k~5), 48294#(<= 19 ULTIMATE.start_main_~k~5), 48295#(<= 20 ULTIMATE.start_main_~k~5), 48296#(<= 21 ULTIMATE.start_main_~k~5), 48297#(<= 22 ULTIMATE.start_main_~k~5), 48298#(<= 23 ULTIMATE.start_main_~k~5), 48299#(<= 24 ULTIMATE.start_main_~k~5), 48300#(<= 25 ULTIMATE.start_main_~k~5), 48301#(<= 26 ULTIMATE.start_main_~k~5), 48302#(<= 27 ULTIMATE.start_main_~k~5), 48303#(<= 28 ULTIMATE.start_main_~k~5), 48304#(<= 29 ULTIMATE.start_main_~k~5), 48305#(<= 30 ULTIMATE.start_main_~k~5), 48306#(<= 31 ULTIMATE.start_main_~k~5), 48307#(<= 32 ULTIMATE.start_main_~k~5), 48308#(<= 33 ULTIMATE.start_main_~k~5), 48309#(<= 34 ULTIMATE.start_main_~k~5), 48310#(<= 35 ULTIMATE.start_main_~k~5), 48311#(<= 36 ULTIMATE.start_main_~k~5), 48312#(<= 37 ULTIMATE.start_main_~k~5), 48313#(<= 38 ULTIMATE.start_main_~k~5), 48314#(<= 39 ULTIMATE.start_main_~k~5), 48315#(<= 40 ULTIMATE.start_main_~k~5), 48316#(<= 41 ULTIMATE.start_main_~k~5), 48317#(<= 42 ULTIMATE.start_main_~k~5), 48318#(<= 43 ULTIMATE.start_main_~k~5), 48319#(<= 44 ULTIMATE.start_main_~k~5), 48320#(<= 45 ULTIMATE.start_main_~k~5), 48321#(<= 46 ULTIMATE.start_main_~k~5), 48322#(<= 47 ULTIMATE.start_main_~k~5), 48323#(<= 48 ULTIMATE.start_main_~k~5), 48324#(<= 49 ULTIMATE.start_main_~k~5), 48325#(<= 50 ULTIMATE.start_main_~k~5), 48326#(<= 51 ULTIMATE.start_main_~k~5), 48327#(<= 52 ULTIMATE.start_main_~k~5), 48328#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 52 ULTIMATE.start_main_~k~5)), 48329#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 2756 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,304 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:46:27,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:46:27,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:46:27,305 INFO L87 Difference]: Start difference. First operand 213 states and 214 transitions. Second operand 57 states. [2018-07-23 13:46:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:27,464 INFO L93 Difference]: Finished difference Result 219 states and 221 transitions. [2018-07-23 13:46:27,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:46:27,464 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 212 [2018-07-23 13:46:27,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:27,465 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:46:27,465 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:46:27,466 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2809 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4511, Invalid=7479, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:46:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:46:27,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:46:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:46:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 218 transitions. [2018-07-23 13:46:27,488 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 218 transitions. Word has length 212 [2018-07-23 13:46:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:27,488 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 218 transitions. [2018-07-23 13:46:27,489 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:46:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 218 transitions. [2018-07-23 13:46:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:46:27,490 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:27,490 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 53, 52, 1, 1, 1, 1] [2018-07-23 13:46:27,490 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:27,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1946735291, now seen corresponding path program 79 times [2018-07-23 13:46:27,491 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5618 backedges. 2862 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,897 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:27,897 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:46:27,897 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:27,898 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 13:46:27,898 INFO L185 omatonBuilderFactory]: Interpolants [49408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 49409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 49410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 49411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 49412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 49413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 49414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 49415#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 49308#true, 49309#false, 49310#(<= ULTIMATE.start_main_~i~5 0), 49311#(<= ULTIMATE.start_main_~i~5 1), 49312#(<= ULTIMATE.start_main_~i~5 2), 49313#(<= ULTIMATE.start_main_~i~5 3), 49314#(<= ULTIMATE.start_main_~i~5 4), 49315#(<= ULTIMATE.start_main_~i~5 5), 49316#(<= ULTIMATE.start_main_~i~5 6), 49317#(<= ULTIMATE.start_main_~i~5 7), 49318#(<= ULTIMATE.start_main_~i~5 8), 49319#(<= ULTIMATE.start_main_~i~5 9), 49320#(<= ULTIMATE.start_main_~i~5 10), 49321#(<= ULTIMATE.start_main_~i~5 11), 49322#(<= ULTIMATE.start_main_~i~5 12), 49323#(<= ULTIMATE.start_main_~i~5 13), 49324#(<= ULTIMATE.start_main_~i~5 14), 49325#(<= ULTIMATE.start_main_~i~5 15), 49326#(<= ULTIMATE.start_main_~i~5 16), 49327#(<= ULTIMATE.start_main_~i~5 17), 49328#(<= ULTIMATE.start_main_~i~5 18), 49329#(<= ULTIMATE.start_main_~i~5 19), 49330#(<= ULTIMATE.start_main_~i~5 20), 49331#(<= ULTIMATE.start_main_~i~5 21), 49332#(<= ULTIMATE.start_main_~i~5 22), 49333#(<= ULTIMATE.start_main_~i~5 23), 49334#(<= ULTIMATE.start_main_~i~5 24), 49335#(<= ULTIMATE.start_main_~i~5 25), 49336#(<= ULTIMATE.start_main_~i~5 26), 49337#(<= ULTIMATE.start_main_~i~5 27), 49338#(<= ULTIMATE.start_main_~i~5 28), 49339#(<= ULTIMATE.start_main_~i~5 29), 49340#(<= ULTIMATE.start_main_~i~5 30), 49341#(<= ULTIMATE.start_main_~i~5 31), 49342#(<= ULTIMATE.start_main_~i~5 32), 49343#(<= ULTIMATE.start_main_~i~5 33), 49344#(<= ULTIMATE.start_main_~i~5 34), 49345#(<= ULTIMATE.start_main_~i~5 35), 49346#(<= ULTIMATE.start_main_~i~5 36), 49347#(<= ULTIMATE.start_main_~i~5 37), 49348#(<= ULTIMATE.start_main_~i~5 38), 49349#(<= ULTIMATE.start_main_~i~5 39), 49350#(<= ULTIMATE.start_main_~i~5 40), 49351#(<= ULTIMATE.start_main_~i~5 41), 49352#(<= ULTIMATE.start_main_~i~5 42), 49353#(<= ULTIMATE.start_main_~i~5 43), 49354#(<= ULTIMATE.start_main_~i~5 44), 49355#(<= ULTIMATE.start_main_~i~5 45), 49356#(<= ULTIMATE.start_main_~i~5 46), 49357#(<= ULTIMATE.start_main_~i~5 47), 49358#(<= ULTIMATE.start_main_~i~5 48), 49359#(<= ULTIMATE.start_main_~i~5 49), 49360#(<= ULTIMATE.start_main_~i~5 50), 49361#(<= ULTIMATE.start_main_~i~5 51), 49362#(<= ULTIMATE.start_main_~i~5 52), 49363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 49364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 49365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 49366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 49367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 49368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 49369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 49370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 49371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 49372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 49373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 49374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 49375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 49376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 49377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 49378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 49379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 49380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 49381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 49382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 49383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 49384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 49385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 49386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 49387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 49388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 49389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 49390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 49391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 49392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 49393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 49394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 49395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 49396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 49397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 49398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 49399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 49400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 49401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 49402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 49403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 49404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 49405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 49406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 49407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8))] [2018-07-23 13:46:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5618 backedges. 2862 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,898 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:46:27,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:46:27,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2969, Invalid=8587, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:46:27,900 INFO L87 Difference]: Start difference. First operand 217 states and 218 transitions. Second operand 108 states. [2018-07-23 13:46:28,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:28,344 INFO L93 Difference]: Finished difference Result 329 states and 331 transitions. [2018-07-23 13:46:28,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:46:28,344 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 216 [2018-07-23 13:46:28,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:28,346 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:46:28,346 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:46:28,348 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4082 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7155, Invalid=18285, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:46:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:46:28,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:46:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:46:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 220 transitions. [2018-07-23 13:46:28,367 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 220 transitions. Word has length 216 [2018-07-23 13:46:28,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:28,367 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 220 transitions. [2018-07-23 13:46:28,367 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:46:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 220 transitions. [2018-07-23 13:46:28,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:46:28,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:28,369 INFO L357 BasicCegarLoop]: trace histogram [54, 54, 53, 53, 1, 1, 1, 1] [2018-07-23 13:46:28,369 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:28,369 INFO L82 PathProgramCache]: Analyzing trace with hash -34477641, now seen corresponding path program 80 times [2018-07-23 13:46:28,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2862 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:28,784 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:46:28,784 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:28,784 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 13:46:28,784 INFO L185 omatonBuilderFactory]: Interpolants [50688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 50689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 50690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 50691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 50692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 50693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 50694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 50695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 50696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 50697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 50698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 50699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 50700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 50701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 50702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 50703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 50704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 50705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 50706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 50707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 50708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 50709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 50710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 50711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 50712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 50713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 50714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 50715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 50716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 50717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 50718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 50719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 50720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 50721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 50722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 50723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 50724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 50616#true, 50617#false, 50618#(<= ULTIMATE.start_main_~i~5 0), 50619#(<= ULTIMATE.start_main_~i~5 1), 50620#(<= ULTIMATE.start_main_~i~5 2), 50621#(<= ULTIMATE.start_main_~i~5 3), 50622#(<= ULTIMATE.start_main_~i~5 4), 50623#(<= ULTIMATE.start_main_~i~5 5), 50624#(<= ULTIMATE.start_main_~i~5 6), 50625#(<= ULTIMATE.start_main_~i~5 7), 50626#(<= ULTIMATE.start_main_~i~5 8), 50627#(<= ULTIMATE.start_main_~i~5 9), 50628#(<= ULTIMATE.start_main_~i~5 10), 50629#(<= ULTIMATE.start_main_~i~5 11), 50630#(<= ULTIMATE.start_main_~i~5 12), 50631#(<= ULTIMATE.start_main_~i~5 13), 50632#(<= ULTIMATE.start_main_~i~5 14), 50633#(<= ULTIMATE.start_main_~i~5 15), 50634#(<= ULTIMATE.start_main_~i~5 16), 50635#(<= ULTIMATE.start_main_~i~5 17), 50636#(<= ULTIMATE.start_main_~i~5 18), 50637#(<= ULTIMATE.start_main_~i~5 19), 50638#(<= ULTIMATE.start_main_~i~5 20), 50639#(<= ULTIMATE.start_main_~i~5 21), 50640#(<= ULTIMATE.start_main_~i~5 22), 50641#(<= ULTIMATE.start_main_~i~5 23), 50642#(<= ULTIMATE.start_main_~i~5 24), 50643#(<= ULTIMATE.start_main_~i~5 25), 50644#(<= ULTIMATE.start_main_~i~5 26), 50645#(<= ULTIMATE.start_main_~i~5 27), 50646#(<= ULTIMATE.start_main_~i~5 28), 50647#(<= ULTIMATE.start_main_~i~5 29), 50648#(<= ULTIMATE.start_main_~i~5 30), 50649#(<= ULTIMATE.start_main_~i~5 31), 50650#(<= ULTIMATE.start_main_~i~5 32), 50651#(<= ULTIMATE.start_main_~i~5 33), 50652#(<= ULTIMATE.start_main_~i~5 34), 50653#(<= ULTIMATE.start_main_~i~5 35), 50654#(<= ULTIMATE.start_main_~i~5 36), 50655#(<= ULTIMATE.start_main_~i~5 37), 50656#(<= ULTIMATE.start_main_~i~5 38), 50657#(<= ULTIMATE.start_main_~i~5 39), 50658#(<= ULTIMATE.start_main_~i~5 40), 50659#(<= ULTIMATE.start_main_~i~5 41), 50660#(<= ULTIMATE.start_main_~i~5 42), 50661#(<= ULTIMATE.start_main_~i~5 43), 50662#(<= ULTIMATE.start_main_~i~5 44), 50663#(<= ULTIMATE.start_main_~i~5 45), 50664#(<= ULTIMATE.start_main_~i~5 46), 50665#(<= ULTIMATE.start_main_~i~5 47), 50666#(<= ULTIMATE.start_main_~i~5 48), 50667#(<= ULTIMATE.start_main_~i~5 49), 50668#(<= ULTIMATE.start_main_~i~5 50), 50669#(<= ULTIMATE.start_main_~i~5 51), 50670#(<= ULTIMATE.start_main_~i~5 52), 50671#(<= ULTIMATE.start_main_~i~5 53), 50672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 50673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 50674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 50675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 50676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 50677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 50678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 50679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 50680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 50681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 50682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 50683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 50684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 50685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 50686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 50687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38))] [2018-07-23 13:46:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2862 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,785 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:46:28,785 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:46:28,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3024, Invalid=8748, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:46:28,786 INFO L87 Difference]: Start difference. First operand 219 states and 220 transitions. Second operand 109 states. [2018-07-23 13:46:29,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:29,235 INFO L93 Difference]: Finished difference Result 331 states and 333 transitions. [2018-07-23 13:46:29,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:46:29,235 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 218 [2018-07-23 13:46:29,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:29,236 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:46:29,236 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:46:29,238 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4135 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7370, Invalid=18712, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:46:29,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:46:29,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:46:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:46:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 222 transitions. [2018-07-23 13:46:29,260 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 222 transitions. Word has length 218 [2018-07-23 13:46:29,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:29,261 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 222 transitions. [2018-07-23 13:46:29,261 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:46:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 222 transitions. [2018-07-23 13:46:29,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:46:29,262 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:29,262 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 54, 53, 1, 1, 1, 1] [2018-07-23 13:46:29,262 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:29,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1309593165, now seen corresponding path program 81 times [2018-07-23 13:46:29,262 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5832 backedges. 2970 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,506 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:29,506 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:46:29,506 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:29,507 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 13:46:29,507 INFO L185 omatonBuilderFactory]: Interpolants [51968#(<= 31 ULTIMATE.start_main_~k~5), 51969#(<= 32 ULTIMATE.start_main_~k~5), 51970#(<= 33 ULTIMATE.start_main_~k~5), 51971#(<= 34 ULTIMATE.start_main_~k~5), 51972#(<= 35 ULTIMATE.start_main_~k~5), 51973#(<= 36 ULTIMATE.start_main_~k~5), 51974#(<= 37 ULTIMATE.start_main_~k~5), 51975#(<= 38 ULTIMATE.start_main_~k~5), 51976#(<= 39 ULTIMATE.start_main_~k~5), 51977#(<= 40 ULTIMATE.start_main_~k~5), 51978#(<= 41 ULTIMATE.start_main_~k~5), 51979#(<= 42 ULTIMATE.start_main_~k~5), 51980#(<= 43 ULTIMATE.start_main_~k~5), 51981#(<= 44 ULTIMATE.start_main_~k~5), 51982#(<= 45 ULTIMATE.start_main_~k~5), 51983#(<= 46 ULTIMATE.start_main_~k~5), 51984#(<= 47 ULTIMATE.start_main_~k~5), 51985#(<= 48 ULTIMATE.start_main_~k~5), 51986#(<= 49 ULTIMATE.start_main_~k~5), 51987#(<= 50 ULTIMATE.start_main_~k~5), 51988#(<= 51 ULTIMATE.start_main_~k~5), 51989#(<= 52 ULTIMATE.start_main_~k~5), 51990#(<= 53 ULTIMATE.start_main_~k~5), 51991#(<= 54 ULTIMATE.start_main_~k~5), 51992#(and (<= 54 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 51993#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 51935#true, 51936#false, 51937#(<= 0 ULTIMATE.start_main_~k~5), 51938#(<= 1 ULTIMATE.start_main_~k~5), 51939#(<= 2 ULTIMATE.start_main_~k~5), 51940#(<= 3 ULTIMATE.start_main_~k~5), 51941#(<= 4 ULTIMATE.start_main_~k~5), 51942#(<= 5 ULTIMATE.start_main_~k~5), 51943#(<= 6 ULTIMATE.start_main_~k~5), 51944#(<= 7 ULTIMATE.start_main_~k~5), 51945#(<= 8 ULTIMATE.start_main_~k~5), 51946#(<= 9 ULTIMATE.start_main_~k~5), 51947#(<= 10 ULTIMATE.start_main_~k~5), 51948#(<= 11 ULTIMATE.start_main_~k~5), 51949#(<= 12 ULTIMATE.start_main_~k~5), 51950#(<= 13 ULTIMATE.start_main_~k~5), 51951#(<= 14 ULTIMATE.start_main_~k~5), 51952#(<= 15 ULTIMATE.start_main_~k~5), 51953#(<= 16 ULTIMATE.start_main_~k~5), 51954#(<= 17 ULTIMATE.start_main_~k~5), 51955#(<= 18 ULTIMATE.start_main_~k~5), 51956#(<= 19 ULTIMATE.start_main_~k~5), 51957#(<= 20 ULTIMATE.start_main_~k~5), 51958#(<= 21 ULTIMATE.start_main_~k~5), 51959#(<= 22 ULTIMATE.start_main_~k~5), 51960#(<= 23 ULTIMATE.start_main_~k~5), 51961#(<= 24 ULTIMATE.start_main_~k~5), 51962#(<= 25 ULTIMATE.start_main_~k~5), 51963#(<= 26 ULTIMATE.start_main_~k~5), 51964#(<= 27 ULTIMATE.start_main_~k~5), 51965#(<= 28 ULTIMATE.start_main_~k~5), 51966#(<= 29 ULTIMATE.start_main_~k~5), 51967#(<= 30 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5832 backedges. 2970 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,507 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:46:29,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:46:29,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1655, Invalid=1767, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:46:29,508 INFO L87 Difference]: Start difference. First operand 221 states and 222 transitions. Second operand 59 states. [2018-07-23 13:46:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:29,686 INFO L93 Difference]: Finished difference Result 227 states and 229 transitions. [2018-07-23 13:46:29,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:46:29,686 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 220 [2018-07-23 13:46:29,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:29,687 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:46:29,687 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:46:29,688 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3025 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4846, Invalid=8036, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:46:29,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:46:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:46:29,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:46:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 226 transitions. [2018-07-23 13:46:29,705 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 226 transitions. Word has length 220 [2018-07-23 13:46:29,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:29,706 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 226 transitions. [2018-07-23 13:46:29,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:46:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 226 transitions. [2018-07-23 13:46:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:46:29,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:29,707 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 55, 54, 1, 1, 1, 1] [2018-07-23 13:46:29,707 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:29,707 INFO L82 PathProgramCache]: Analyzing trace with hash 281772711, now seen corresponding path program 82 times [2018-07-23 13:46:29,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 3080 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:30,253 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:30,253 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:46:30,253 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:30,254 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 13:46:30,254 INFO L185 omatonBuilderFactory]: Interpolants [53008#true, 53009#false, 53010#(<= ULTIMATE.start_main_~i~5 0), 53011#(<= ULTIMATE.start_main_~i~5 1), 53012#(<= ULTIMATE.start_main_~i~5 2), 53013#(<= ULTIMATE.start_main_~i~5 3), 53014#(<= ULTIMATE.start_main_~i~5 4), 53015#(<= ULTIMATE.start_main_~i~5 5), 53016#(<= ULTIMATE.start_main_~i~5 6), 53017#(<= ULTIMATE.start_main_~i~5 7), 53018#(<= ULTIMATE.start_main_~i~5 8), 53019#(<= ULTIMATE.start_main_~i~5 9), 53020#(<= ULTIMATE.start_main_~i~5 10), 53021#(<= ULTIMATE.start_main_~i~5 11), 53022#(<= ULTIMATE.start_main_~i~5 12), 53023#(<= ULTIMATE.start_main_~i~5 13), 53024#(<= ULTIMATE.start_main_~i~5 14), 53025#(<= ULTIMATE.start_main_~i~5 15), 53026#(<= ULTIMATE.start_main_~i~5 16), 53027#(<= ULTIMATE.start_main_~i~5 17), 53028#(<= ULTIMATE.start_main_~i~5 18), 53029#(<= ULTIMATE.start_main_~i~5 19), 53030#(<= ULTIMATE.start_main_~i~5 20), 53031#(<= ULTIMATE.start_main_~i~5 21), 53032#(<= ULTIMATE.start_main_~i~5 22), 53033#(<= ULTIMATE.start_main_~i~5 23), 53034#(<= ULTIMATE.start_main_~i~5 24), 53035#(<= ULTIMATE.start_main_~i~5 25), 53036#(<= ULTIMATE.start_main_~i~5 26), 53037#(<= ULTIMATE.start_main_~i~5 27), 53038#(<= ULTIMATE.start_main_~i~5 28), 53039#(<= ULTIMATE.start_main_~i~5 29), 53040#(<= ULTIMATE.start_main_~i~5 30), 53041#(<= ULTIMATE.start_main_~i~5 31), 53042#(<= ULTIMATE.start_main_~i~5 32), 53043#(<= ULTIMATE.start_main_~i~5 33), 53044#(<= ULTIMATE.start_main_~i~5 34), 53045#(<= ULTIMATE.start_main_~i~5 35), 53046#(<= ULTIMATE.start_main_~i~5 36), 53047#(<= ULTIMATE.start_main_~i~5 37), 53048#(<= ULTIMATE.start_main_~i~5 38), 53049#(<= ULTIMATE.start_main_~i~5 39), 53050#(<= ULTIMATE.start_main_~i~5 40), 53051#(<= ULTIMATE.start_main_~i~5 41), 53052#(<= ULTIMATE.start_main_~i~5 42), 53053#(<= ULTIMATE.start_main_~i~5 43), 53054#(<= ULTIMATE.start_main_~i~5 44), 53055#(<= ULTIMATE.start_main_~i~5 45), 53056#(<= ULTIMATE.start_main_~i~5 46), 53057#(<= ULTIMATE.start_main_~i~5 47), 53058#(<= ULTIMATE.start_main_~i~5 48), 53059#(<= ULTIMATE.start_main_~i~5 49), 53060#(<= ULTIMATE.start_main_~i~5 50), 53061#(<= ULTIMATE.start_main_~i~5 51), 53062#(<= ULTIMATE.start_main_~i~5 52), 53063#(<= ULTIMATE.start_main_~i~5 53), 53064#(<= ULTIMATE.start_main_~i~5 54), 53065#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 53066#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 53067#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 53068#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 53069#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 53070#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 53071#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 53072#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 53073#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 53074#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 53075#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 53076#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 53077#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 53078#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 53079#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 53080#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 53081#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 53082#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 53083#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 53084#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 53085#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 53086#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 53087#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 53088#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 53089#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 53090#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 53091#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 53092#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 53093#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 53094#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 53095#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 53096#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 53097#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 53098#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 53099#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 53100#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 53101#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 53102#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 53103#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 53104#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 53105#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 53106#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 53107#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 53108#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 53109#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 53110#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 53111#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 53112#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 53113#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 53114#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 53115#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 53116#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 53117#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 53118#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 53119#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 3080 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:30,255 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:46:30,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:46:30,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3191, Invalid=9241, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:46:30,257 INFO L87 Difference]: Start difference. First operand 225 states and 226 transitions. Second operand 112 states. [2018-07-23 13:46:30,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:30,745 INFO L93 Difference]: Finished difference Result 341 states and 343 transitions. [2018-07-23 13:46:30,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:46:30,745 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 224 [2018-07-23 13:46:30,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:30,746 INFO L225 Difference]: With dead ends: 341 [2018-07-23 13:46:30,746 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:46:30,748 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4401 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7700, Invalid=19690, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:46:30,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:46:30,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:46:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:46:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 228 transitions. [2018-07-23 13:46:30,768 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 228 transitions. Word has length 224 [2018-07-23 13:46:30,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:30,768 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 228 transitions. [2018-07-23 13:46:30,768 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:46:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 228 transitions. [2018-07-23 13:46:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:46:30,769 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:30,770 INFO L357 BasicCegarLoop]: trace histogram [56, 56, 55, 55, 1, 1, 1, 1] [2018-07-23 13:46:30,770 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:30,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1989926307, now seen corresponding path program 83 times [2018-07-23 13:46:30,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3080 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,209 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:31,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:46:31,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:31,209 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 13:46:31,210 INFO L185 omatonBuilderFactory]: Interpolants [54364#true, 54365#false, 54366#(<= ULTIMATE.start_main_~i~5 0), 54367#(<= ULTIMATE.start_main_~i~5 1), 54368#(<= ULTIMATE.start_main_~i~5 2), 54369#(<= ULTIMATE.start_main_~i~5 3), 54370#(<= ULTIMATE.start_main_~i~5 4), 54371#(<= ULTIMATE.start_main_~i~5 5), 54372#(<= ULTIMATE.start_main_~i~5 6), 54373#(<= ULTIMATE.start_main_~i~5 7), 54374#(<= ULTIMATE.start_main_~i~5 8), 54375#(<= ULTIMATE.start_main_~i~5 9), 54376#(<= ULTIMATE.start_main_~i~5 10), 54377#(<= ULTIMATE.start_main_~i~5 11), 54378#(<= ULTIMATE.start_main_~i~5 12), 54379#(<= ULTIMATE.start_main_~i~5 13), 54380#(<= ULTIMATE.start_main_~i~5 14), 54381#(<= ULTIMATE.start_main_~i~5 15), 54382#(<= ULTIMATE.start_main_~i~5 16), 54383#(<= ULTIMATE.start_main_~i~5 17), 54384#(<= ULTIMATE.start_main_~i~5 18), 54385#(<= ULTIMATE.start_main_~i~5 19), 54386#(<= ULTIMATE.start_main_~i~5 20), 54387#(<= ULTIMATE.start_main_~i~5 21), 54388#(<= ULTIMATE.start_main_~i~5 22), 54389#(<= ULTIMATE.start_main_~i~5 23), 54390#(<= ULTIMATE.start_main_~i~5 24), 54391#(<= ULTIMATE.start_main_~i~5 25), 54392#(<= ULTIMATE.start_main_~i~5 26), 54393#(<= ULTIMATE.start_main_~i~5 27), 54394#(<= ULTIMATE.start_main_~i~5 28), 54395#(<= ULTIMATE.start_main_~i~5 29), 54396#(<= ULTIMATE.start_main_~i~5 30), 54397#(<= ULTIMATE.start_main_~i~5 31), 54398#(<= ULTIMATE.start_main_~i~5 32), 54399#(<= ULTIMATE.start_main_~i~5 33), 54400#(<= ULTIMATE.start_main_~i~5 34), 54401#(<= ULTIMATE.start_main_~i~5 35), 54402#(<= ULTIMATE.start_main_~i~5 36), 54403#(<= ULTIMATE.start_main_~i~5 37), 54404#(<= ULTIMATE.start_main_~i~5 38), 54405#(<= ULTIMATE.start_main_~i~5 39), 54406#(<= ULTIMATE.start_main_~i~5 40), 54407#(<= ULTIMATE.start_main_~i~5 41), 54408#(<= ULTIMATE.start_main_~i~5 42), 54409#(<= ULTIMATE.start_main_~i~5 43), 54410#(<= ULTIMATE.start_main_~i~5 44), 54411#(<= ULTIMATE.start_main_~i~5 45), 54412#(<= ULTIMATE.start_main_~i~5 46), 54413#(<= ULTIMATE.start_main_~i~5 47), 54414#(<= ULTIMATE.start_main_~i~5 48), 54415#(<= ULTIMATE.start_main_~i~5 49), 54416#(<= ULTIMATE.start_main_~i~5 50), 54417#(<= ULTIMATE.start_main_~i~5 51), 54418#(<= ULTIMATE.start_main_~i~5 52), 54419#(<= ULTIMATE.start_main_~i~5 53), 54420#(<= ULTIMATE.start_main_~i~5 54), 54421#(<= ULTIMATE.start_main_~i~5 55), 54422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 54423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 54424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 54425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 54426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 54427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 54428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 54429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 54430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 54431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 54432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 54433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 54434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 54435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 54436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 54437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 54438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 54439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 54440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 54441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 54442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 54443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 54444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 54445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 54446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 54447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 54448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 54449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 54450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 54451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 54452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 54453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 54454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 54455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 54456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 54457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 54458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 54459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 54460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 54461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 54462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 54463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 54464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 54465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 54466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 54467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 54468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 54469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 54470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 54471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 54472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 54473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 54474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 54475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 54476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3080 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,210 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:46:31,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:46:31,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3248, Invalid=9408, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:46:31,212 INFO L87 Difference]: Start difference. First operand 227 states and 228 transitions. Second operand 113 states. [2018-07-23 13:46:31,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:31,682 INFO L93 Difference]: Finished difference Result 343 states and 345 transitions. [2018-07-23 13:46:31,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:46:31,683 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 226 [2018-07-23 13:46:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:31,684 INFO L225 Difference]: With dead ends: 343 [2018-07-23 13:46:31,684 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:46:31,686 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4456 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7923, Invalid=20133, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:46:31,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:46:31,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:46:31,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:46:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 230 transitions. [2018-07-23 13:46:31,704 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 230 transitions. Word has length 226 [2018-07-23 13:46:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:31,704 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 230 transitions. [2018-07-23 13:46:31,704 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:46:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 230 transitions. [2018-07-23 13:46:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:46:31,705 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:31,706 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 56, 55, 1, 1, 1, 1] [2018-07-23 13:46:31,706 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:31,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1446942305, now seen corresponding path program 84 times [2018-07-23 13:46:31,706 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6272 backedges. 3192 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,970 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:31,970 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:46:31,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:31,971 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 13:46:31,971 INFO L185 omatonBuilderFactory]: Interpolants [55731#true, 55732#false, 55733#(<= 0 ULTIMATE.start_main_~k~5), 55734#(<= 1 ULTIMATE.start_main_~k~5), 55735#(<= 2 ULTIMATE.start_main_~k~5), 55736#(<= 3 ULTIMATE.start_main_~k~5), 55737#(<= 4 ULTIMATE.start_main_~k~5), 55738#(<= 5 ULTIMATE.start_main_~k~5), 55739#(<= 6 ULTIMATE.start_main_~k~5), 55740#(<= 7 ULTIMATE.start_main_~k~5), 55741#(<= 8 ULTIMATE.start_main_~k~5), 55742#(<= 9 ULTIMATE.start_main_~k~5), 55743#(<= 10 ULTIMATE.start_main_~k~5), 55744#(<= 11 ULTIMATE.start_main_~k~5), 55745#(<= 12 ULTIMATE.start_main_~k~5), 55746#(<= 13 ULTIMATE.start_main_~k~5), 55747#(<= 14 ULTIMATE.start_main_~k~5), 55748#(<= 15 ULTIMATE.start_main_~k~5), 55749#(<= 16 ULTIMATE.start_main_~k~5), 55750#(<= 17 ULTIMATE.start_main_~k~5), 55751#(<= 18 ULTIMATE.start_main_~k~5), 55752#(<= 19 ULTIMATE.start_main_~k~5), 55753#(<= 20 ULTIMATE.start_main_~k~5), 55754#(<= 21 ULTIMATE.start_main_~k~5), 55755#(<= 22 ULTIMATE.start_main_~k~5), 55756#(<= 23 ULTIMATE.start_main_~k~5), 55757#(<= 24 ULTIMATE.start_main_~k~5), 55758#(<= 25 ULTIMATE.start_main_~k~5), 55759#(<= 26 ULTIMATE.start_main_~k~5), 55760#(<= 27 ULTIMATE.start_main_~k~5), 55761#(<= 28 ULTIMATE.start_main_~k~5), 55762#(<= 29 ULTIMATE.start_main_~k~5), 55763#(<= 30 ULTIMATE.start_main_~k~5), 55764#(<= 31 ULTIMATE.start_main_~k~5), 55765#(<= 32 ULTIMATE.start_main_~k~5), 55766#(<= 33 ULTIMATE.start_main_~k~5), 55767#(<= 34 ULTIMATE.start_main_~k~5), 55768#(<= 35 ULTIMATE.start_main_~k~5), 55769#(<= 36 ULTIMATE.start_main_~k~5), 55770#(<= 37 ULTIMATE.start_main_~k~5), 55771#(<= 38 ULTIMATE.start_main_~k~5), 55772#(<= 39 ULTIMATE.start_main_~k~5), 55773#(<= 40 ULTIMATE.start_main_~k~5), 55774#(<= 41 ULTIMATE.start_main_~k~5), 55775#(<= 42 ULTIMATE.start_main_~k~5), 55776#(<= 43 ULTIMATE.start_main_~k~5), 55777#(<= 44 ULTIMATE.start_main_~k~5), 55778#(<= 45 ULTIMATE.start_main_~k~5), 55779#(<= 46 ULTIMATE.start_main_~k~5), 55780#(<= 47 ULTIMATE.start_main_~k~5), 55781#(<= 48 ULTIMATE.start_main_~k~5), 55782#(<= 49 ULTIMATE.start_main_~k~5), 55783#(<= 50 ULTIMATE.start_main_~k~5), 55784#(<= 51 ULTIMATE.start_main_~k~5), 55785#(<= 52 ULTIMATE.start_main_~k~5), 55786#(<= 53 ULTIMATE.start_main_~k~5), 55787#(<= 54 ULTIMATE.start_main_~k~5), 55788#(<= 55 ULTIMATE.start_main_~k~5), 55789#(<= 56 ULTIMATE.start_main_~k~5), 55790#(and (<= 56 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 55791#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6272 backedges. 3192 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,972 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:46:31,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:46:31,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1772, Invalid=1888, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:46:31,973 INFO L87 Difference]: Start difference. First operand 229 states and 230 transitions. Second operand 61 states. [2018-07-23 13:46:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:32,197 INFO L93 Difference]: Finished difference Result 235 states and 237 transitions. [2018-07-23 13:46:32,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:46:32,197 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 228 [2018-07-23 13:46:32,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:32,198 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:46:32,198 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:46:32,199 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3249 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5193, Invalid=8613, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:46:32,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:46:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:46:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:46:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 234 transitions. [2018-07-23 13:46:32,220 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 234 transitions. Word has length 228 [2018-07-23 13:46:32,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:32,220 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 234 transitions. [2018-07-23 13:46:32,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:46:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 234 transitions. [2018-07-23 13:46:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:46:32,221 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:32,221 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 57, 56, 1, 1, 1, 1] [2018-07-23 13:46:32,222 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:32,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1264196461, now seen corresponding path program 85 times [2018-07-23 13:46:32,222 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6498 backedges. 3306 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,692 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:32,692 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:46:32,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:32,693 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 13:46:32,693 INFO L185 omatonBuilderFactory]: Interpolants [56842#true, 56843#false, 56844#(<= ULTIMATE.start_main_~i~5 0), 56845#(<= ULTIMATE.start_main_~i~5 1), 56846#(<= ULTIMATE.start_main_~i~5 2), 56847#(<= ULTIMATE.start_main_~i~5 3), 56848#(<= ULTIMATE.start_main_~i~5 4), 56849#(<= ULTIMATE.start_main_~i~5 5), 56850#(<= ULTIMATE.start_main_~i~5 6), 56851#(<= ULTIMATE.start_main_~i~5 7), 56852#(<= ULTIMATE.start_main_~i~5 8), 56853#(<= ULTIMATE.start_main_~i~5 9), 56854#(<= ULTIMATE.start_main_~i~5 10), 56855#(<= ULTIMATE.start_main_~i~5 11), 56856#(<= ULTIMATE.start_main_~i~5 12), 56857#(<= ULTIMATE.start_main_~i~5 13), 56858#(<= ULTIMATE.start_main_~i~5 14), 56859#(<= ULTIMATE.start_main_~i~5 15), 56860#(<= ULTIMATE.start_main_~i~5 16), 56861#(<= ULTIMATE.start_main_~i~5 17), 56862#(<= ULTIMATE.start_main_~i~5 18), 56863#(<= ULTIMATE.start_main_~i~5 19), 56864#(<= ULTIMATE.start_main_~i~5 20), 56865#(<= ULTIMATE.start_main_~i~5 21), 56866#(<= ULTIMATE.start_main_~i~5 22), 56867#(<= ULTIMATE.start_main_~i~5 23), 56868#(<= ULTIMATE.start_main_~i~5 24), 56869#(<= ULTIMATE.start_main_~i~5 25), 56870#(<= ULTIMATE.start_main_~i~5 26), 56871#(<= ULTIMATE.start_main_~i~5 27), 56872#(<= ULTIMATE.start_main_~i~5 28), 56873#(<= ULTIMATE.start_main_~i~5 29), 56874#(<= ULTIMATE.start_main_~i~5 30), 56875#(<= ULTIMATE.start_main_~i~5 31), 56876#(<= ULTIMATE.start_main_~i~5 32), 56877#(<= ULTIMATE.start_main_~i~5 33), 56878#(<= ULTIMATE.start_main_~i~5 34), 56879#(<= ULTIMATE.start_main_~i~5 35), 56880#(<= ULTIMATE.start_main_~i~5 36), 56881#(<= ULTIMATE.start_main_~i~5 37), 56882#(<= ULTIMATE.start_main_~i~5 38), 56883#(<= ULTIMATE.start_main_~i~5 39), 56884#(<= ULTIMATE.start_main_~i~5 40), 56885#(<= ULTIMATE.start_main_~i~5 41), 56886#(<= ULTIMATE.start_main_~i~5 42), 56887#(<= ULTIMATE.start_main_~i~5 43), 56888#(<= ULTIMATE.start_main_~i~5 44), 56889#(<= ULTIMATE.start_main_~i~5 45), 56890#(<= ULTIMATE.start_main_~i~5 46), 56891#(<= ULTIMATE.start_main_~i~5 47), 56892#(<= ULTIMATE.start_main_~i~5 48), 56893#(<= ULTIMATE.start_main_~i~5 49), 56894#(<= ULTIMATE.start_main_~i~5 50), 56895#(<= ULTIMATE.start_main_~i~5 51), 56896#(<= ULTIMATE.start_main_~i~5 52), 56897#(<= ULTIMATE.start_main_~i~5 53), 56898#(<= ULTIMATE.start_main_~i~5 54), 56899#(<= ULTIMATE.start_main_~i~5 55), 56900#(<= ULTIMATE.start_main_~i~5 56), 56901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 56902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 56903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 56904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 56905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 56906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 56907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 56908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 56909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 56910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 56911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 56912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 56913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 56914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 56915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 56916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 56917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 56918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 56919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 56920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 56921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 56922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 56923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 56924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 56925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 56926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 56927#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 56928#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 56929#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 56930#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 56931#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 56932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 56933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 56934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 56935#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 56936#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 56937#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 56938#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 56939#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 56940#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 56941#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 56942#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 56943#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 56944#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 56945#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 56946#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 56947#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 56948#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 56949#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 56950#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 56951#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 56952#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 56953#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 56954#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 56955#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 56956#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 56957#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:46:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6498 backedges. 3306 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,694 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:46:32,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:46:32,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3421, Invalid=9919, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:46:32,696 INFO L87 Difference]: Start difference. First operand 233 states and 234 transitions. Second operand 116 states. [2018-07-23 13:46:33,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:33,226 INFO L93 Difference]: Finished difference Result 353 states and 355 transitions. [2018-07-23 13:46:33,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:46:33,226 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 232 [2018-07-23 13:46:33,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:33,227 INFO L225 Difference]: With dead ends: 353 [2018-07-23 13:46:33,227 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:46:33,230 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4732 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8265, Invalid=21147, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:46:33,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:46:33,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:46:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:46:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 236 transitions. [2018-07-23 13:46:33,254 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 236 transitions. Word has length 232 [2018-07-23 13:46:33,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:33,255 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 236 transitions. [2018-07-23 13:46:33,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:46:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 236 transitions. [2018-07-23 13:46:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:46:33,256 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:33,256 INFO L357 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 1, 1, 1, 1] [2018-07-23 13:46:33,256 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:33,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1289323407, now seen corresponding path program 86 times [2018-07-23 13:46:33,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3306 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,751 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:33,751 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:46:33,751 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:33,752 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 13:46:33,752 INFO L185 omatonBuilderFactory]: Interpolants [58246#true, 58247#false, 58248#(<= ULTIMATE.start_main_~i~5 0), 58249#(<= ULTIMATE.start_main_~i~5 1), 58250#(<= ULTIMATE.start_main_~i~5 2), 58251#(<= ULTIMATE.start_main_~i~5 3), 58252#(<= ULTIMATE.start_main_~i~5 4), 58253#(<= ULTIMATE.start_main_~i~5 5), 58254#(<= ULTIMATE.start_main_~i~5 6), 58255#(<= ULTIMATE.start_main_~i~5 7), 58256#(<= ULTIMATE.start_main_~i~5 8), 58257#(<= ULTIMATE.start_main_~i~5 9), 58258#(<= ULTIMATE.start_main_~i~5 10), 58259#(<= ULTIMATE.start_main_~i~5 11), 58260#(<= ULTIMATE.start_main_~i~5 12), 58261#(<= ULTIMATE.start_main_~i~5 13), 58262#(<= ULTIMATE.start_main_~i~5 14), 58263#(<= ULTIMATE.start_main_~i~5 15), 58264#(<= ULTIMATE.start_main_~i~5 16), 58265#(<= ULTIMATE.start_main_~i~5 17), 58266#(<= ULTIMATE.start_main_~i~5 18), 58267#(<= ULTIMATE.start_main_~i~5 19), 58268#(<= ULTIMATE.start_main_~i~5 20), 58269#(<= ULTIMATE.start_main_~i~5 21), 58270#(<= ULTIMATE.start_main_~i~5 22), 58271#(<= ULTIMATE.start_main_~i~5 23), 58272#(<= ULTIMATE.start_main_~i~5 24), 58273#(<= ULTIMATE.start_main_~i~5 25), 58274#(<= ULTIMATE.start_main_~i~5 26), 58275#(<= ULTIMATE.start_main_~i~5 27), 58276#(<= ULTIMATE.start_main_~i~5 28), 58277#(<= ULTIMATE.start_main_~i~5 29), 58278#(<= ULTIMATE.start_main_~i~5 30), 58279#(<= ULTIMATE.start_main_~i~5 31), 58280#(<= ULTIMATE.start_main_~i~5 32), 58281#(<= ULTIMATE.start_main_~i~5 33), 58282#(<= ULTIMATE.start_main_~i~5 34), 58283#(<= ULTIMATE.start_main_~i~5 35), 58284#(<= ULTIMATE.start_main_~i~5 36), 58285#(<= ULTIMATE.start_main_~i~5 37), 58286#(<= ULTIMATE.start_main_~i~5 38), 58287#(<= ULTIMATE.start_main_~i~5 39), 58288#(<= ULTIMATE.start_main_~i~5 40), 58289#(<= ULTIMATE.start_main_~i~5 41), 58290#(<= ULTIMATE.start_main_~i~5 42), 58291#(<= ULTIMATE.start_main_~i~5 43), 58292#(<= ULTIMATE.start_main_~i~5 44), 58293#(<= ULTIMATE.start_main_~i~5 45), 58294#(<= ULTIMATE.start_main_~i~5 46), 58295#(<= ULTIMATE.start_main_~i~5 47), 58296#(<= ULTIMATE.start_main_~i~5 48), 58297#(<= ULTIMATE.start_main_~i~5 49), 58298#(<= ULTIMATE.start_main_~i~5 50), 58299#(<= ULTIMATE.start_main_~i~5 51), 58300#(<= ULTIMATE.start_main_~i~5 52), 58301#(<= ULTIMATE.start_main_~i~5 53), 58302#(<= ULTIMATE.start_main_~i~5 54), 58303#(<= ULTIMATE.start_main_~i~5 55), 58304#(<= ULTIMATE.start_main_~i~5 56), 58305#(<= ULTIMATE.start_main_~i~5 57), 58306#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 58307#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 58308#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 58309#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 58310#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 58311#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 58312#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 58313#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 58314#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 58315#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 58316#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 58317#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 58318#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 58319#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 58320#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 58321#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 58322#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 58323#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 58324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 58325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 58326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 58327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 58328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 58329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 58330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 58331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 58332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 58333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 58334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 58335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 58336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 58337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 58338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 58339#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 58340#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 58341#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 58342#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 58343#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 58344#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 58345#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 58346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 58347#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 58348#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 58349#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 58350#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 58351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 58352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 58353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 58354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 58355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 58356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 58357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 58358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 58359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 58360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 58361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 58362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3306 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,753 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:46:33,753 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:46:33,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3480, Invalid=10092, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:46:33,754 INFO L87 Difference]: Start difference. First operand 235 states and 236 transitions. Second operand 117 states. [2018-07-23 13:46:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:34,267 INFO L93 Difference]: Finished difference Result 355 states and 357 transitions. [2018-07-23 13:46:34,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:46:34,267 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 234 [2018-07-23 13:46:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:34,268 INFO L225 Difference]: With dead ends: 355 [2018-07-23 13:46:34,268 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:46:34,270 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4789 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8496, Invalid=21606, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:46:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:46:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:46:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:46:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 238 transitions. [2018-07-23 13:46:34,294 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 238 transitions. Word has length 234 [2018-07-23 13:46:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:34,294 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 238 transitions. [2018-07-23 13:46:34,294 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:46:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 238 transitions. [2018-07-23 13:46:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:46:34,295 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:34,296 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 58, 57, 1, 1, 1, 1] [2018-07-23 13:46:34,296 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:34,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1499376757, now seen corresponding path program 87 times [2018-07-23 13:46:34,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6728 backedges. 3422 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,560 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:34,560 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:46:34,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:34,560 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 13:46:34,561 INFO L185 omatonBuilderFactory]: Interpolants [59661#true, 59662#false, 59663#(<= 0 ULTIMATE.start_main_~k~5), 59664#(<= 1 ULTIMATE.start_main_~k~5), 59665#(<= 2 ULTIMATE.start_main_~k~5), 59666#(<= 3 ULTIMATE.start_main_~k~5), 59667#(<= 4 ULTIMATE.start_main_~k~5), 59668#(<= 5 ULTIMATE.start_main_~k~5), 59669#(<= 6 ULTIMATE.start_main_~k~5), 59670#(<= 7 ULTIMATE.start_main_~k~5), 59671#(<= 8 ULTIMATE.start_main_~k~5), 59672#(<= 9 ULTIMATE.start_main_~k~5), 59673#(<= 10 ULTIMATE.start_main_~k~5), 59674#(<= 11 ULTIMATE.start_main_~k~5), 59675#(<= 12 ULTIMATE.start_main_~k~5), 59676#(<= 13 ULTIMATE.start_main_~k~5), 59677#(<= 14 ULTIMATE.start_main_~k~5), 59678#(<= 15 ULTIMATE.start_main_~k~5), 59679#(<= 16 ULTIMATE.start_main_~k~5), 59680#(<= 17 ULTIMATE.start_main_~k~5), 59681#(<= 18 ULTIMATE.start_main_~k~5), 59682#(<= 19 ULTIMATE.start_main_~k~5), 59683#(<= 20 ULTIMATE.start_main_~k~5), 59684#(<= 21 ULTIMATE.start_main_~k~5), 59685#(<= 22 ULTIMATE.start_main_~k~5), 59686#(<= 23 ULTIMATE.start_main_~k~5), 59687#(<= 24 ULTIMATE.start_main_~k~5), 59688#(<= 25 ULTIMATE.start_main_~k~5), 59689#(<= 26 ULTIMATE.start_main_~k~5), 59690#(<= 27 ULTIMATE.start_main_~k~5), 59691#(<= 28 ULTIMATE.start_main_~k~5), 59692#(<= 29 ULTIMATE.start_main_~k~5), 59693#(<= 30 ULTIMATE.start_main_~k~5), 59694#(<= 31 ULTIMATE.start_main_~k~5), 59695#(<= 32 ULTIMATE.start_main_~k~5), 59696#(<= 33 ULTIMATE.start_main_~k~5), 59697#(<= 34 ULTIMATE.start_main_~k~5), 59698#(<= 35 ULTIMATE.start_main_~k~5), 59699#(<= 36 ULTIMATE.start_main_~k~5), 59700#(<= 37 ULTIMATE.start_main_~k~5), 59701#(<= 38 ULTIMATE.start_main_~k~5), 59702#(<= 39 ULTIMATE.start_main_~k~5), 59703#(<= 40 ULTIMATE.start_main_~k~5), 59704#(<= 41 ULTIMATE.start_main_~k~5), 59705#(<= 42 ULTIMATE.start_main_~k~5), 59706#(<= 43 ULTIMATE.start_main_~k~5), 59707#(<= 44 ULTIMATE.start_main_~k~5), 59708#(<= 45 ULTIMATE.start_main_~k~5), 59709#(<= 46 ULTIMATE.start_main_~k~5), 59710#(<= 47 ULTIMATE.start_main_~k~5), 59711#(<= 48 ULTIMATE.start_main_~k~5), 59712#(<= 49 ULTIMATE.start_main_~k~5), 59713#(<= 50 ULTIMATE.start_main_~k~5), 59714#(<= 51 ULTIMATE.start_main_~k~5), 59715#(<= 52 ULTIMATE.start_main_~k~5), 59716#(<= 53 ULTIMATE.start_main_~k~5), 59717#(<= 54 ULTIMATE.start_main_~k~5), 59718#(<= 55 ULTIMATE.start_main_~k~5), 59719#(<= 56 ULTIMATE.start_main_~k~5), 59720#(<= 57 ULTIMATE.start_main_~k~5), 59721#(<= 58 ULTIMATE.start_main_~k~5), 59722#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 58 ULTIMATE.start_main_~k~5)), 59723#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:46:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6728 backedges. 3422 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,561 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:46:34,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:46:34,562 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1893, Invalid=2013, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:46:34,562 INFO L87 Difference]: Start difference. First operand 237 states and 238 transitions. Second operand 63 states. [2018-07-23 13:46:34,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:34,755 INFO L93 Difference]: Finished difference Result 243 states and 245 transitions. [2018-07-23 13:46:34,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:46:34,756 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 236 [2018-07-23 13:46:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:34,757 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:46:34,757 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:46:34,758 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3481 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5552, Invalid=9210, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:46:34,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:46:34,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:46:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:46:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 242 transitions. [2018-07-23 13:46:34,782 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 242 transitions. Word has length 236 [2018-07-23 13:46:34,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:34,783 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 242 transitions. [2018-07-23 13:46:34,783 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:46:34,783 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 242 transitions. [2018-07-23 13:46:34,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:46:34,784 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:34,784 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 59, 58, 1, 1, 1, 1] [2018-07-23 13:46:34,784 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:34,785 INFO L82 PathProgramCache]: Analyzing trace with hash 174520447, now seen corresponding path program 88 times [2018-07-23 13:46:34,785 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6962 backedges. 3540 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,289 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:35,289 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:46:35,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:35,289 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 13:46:35,289 INFO L185 omatonBuilderFactory]: Interpolants [60928#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 60929#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 60810#true, 60811#false, 60812#(<= ULTIMATE.start_main_~i~5 0), 60813#(<= ULTIMATE.start_main_~i~5 1), 60814#(<= ULTIMATE.start_main_~i~5 2), 60815#(<= ULTIMATE.start_main_~i~5 3), 60816#(<= ULTIMATE.start_main_~i~5 4), 60817#(<= ULTIMATE.start_main_~i~5 5), 60818#(<= ULTIMATE.start_main_~i~5 6), 60819#(<= ULTIMATE.start_main_~i~5 7), 60820#(<= ULTIMATE.start_main_~i~5 8), 60821#(<= ULTIMATE.start_main_~i~5 9), 60822#(<= ULTIMATE.start_main_~i~5 10), 60823#(<= ULTIMATE.start_main_~i~5 11), 60824#(<= ULTIMATE.start_main_~i~5 12), 60825#(<= ULTIMATE.start_main_~i~5 13), 60826#(<= ULTIMATE.start_main_~i~5 14), 60827#(<= ULTIMATE.start_main_~i~5 15), 60828#(<= ULTIMATE.start_main_~i~5 16), 60829#(<= ULTIMATE.start_main_~i~5 17), 60830#(<= ULTIMATE.start_main_~i~5 18), 60831#(<= ULTIMATE.start_main_~i~5 19), 60832#(<= ULTIMATE.start_main_~i~5 20), 60833#(<= ULTIMATE.start_main_~i~5 21), 60834#(<= ULTIMATE.start_main_~i~5 22), 60835#(<= ULTIMATE.start_main_~i~5 23), 60836#(<= ULTIMATE.start_main_~i~5 24), 60837#(<= ULTIMATE.start_main_~i~5 25), 60838#(<= ULTIMATE.start_main_~i~5 26), 60839#(<= ULTIMATE.start_main_~i~5 27), 60840#(<= ULTIMATE.start_main_~i~5 28), 60841#(<= ULTIMATE.start_main_~i~5 29), 60842#(<= ULTIMATE.start_main_~i~5 30), 60843#(<= ULTIMATE.start_main_~i~5 31), 60844#(<= ULTIMATE.start_main_~i~5 32), 60845#(<= ULTIMATE.start_main_~i~5 33), 60846#(<= ULTIMATE.start_main_~i~5 34), 60847#(<= ULTIMATE.start_main_~i~5 35), 60848#(<= ULTIMATE.start_main_~i~5 36), 60849#(<= ULTIMATE.start_main_~i~5 37), 60850#(<= ULTIMATE.start_main_~i~5 38), 60851#(<= ULTIMATE.start_main_~i~5 39), 60852#(<= ULTIMATE.start_main_~i~5 40), 60853#(<= ULTIMATE.start_main_~i~5 41), 60854#(<= ULTIMATE.start_main_~i~5 42), 60855#(<= ULTIMATE.start_main_~i~5 43), 60856#(<= ULTIMATE.start_main_~i~5 44), 60857#(<= ULTIMATE.start_main_~i~5 45), 60858#(<= ULTIMATE.start_main_~i~5 46), 60859#(<= ULTIMATE.start_main_~i~5 47), 60860#(<= ULTIMATE.start_main_~i~5 48), 60861#(<= ULTIMATE.start_main_~i~5 49), 60862#(<= ULTIMATE.start_main_~i~5 50), 60863#(<= ULTIMATE.start_main_~i~5 51), 60864#(<= ULTIMATE.start_main_~i~5 52), 60865#(<= ULTIMATE.start_main_~i~5 53), 60866#(<= ULTIMATE.start_main_~i~5 54), 60867#(<= ULTIMATE.start_main_~i~5 55), 60868#(<= ULTIMATE.start_main_~i~5 56), 60869#(<= ULTIMATE.start_main_~i~5 57), 60870#(<= ULTIMATE.start_main_~i~5 58), 60871#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 60872#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 60873#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 60874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 60875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 60876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 60877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 60878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 60879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 60880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 60881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 60882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 60883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 60884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 60885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 60886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 60887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 60888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 60889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 60890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 60891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 60892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 60893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 60894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 60895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 60896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 60897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 60898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 60899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 60900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 60901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 60902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 60903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 60904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 60905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 60906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 60907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 60908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 60909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 60910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 60911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 60912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 60913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 60914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 60915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 60916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 60917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 60918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 60919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 60920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 60921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 60922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 60923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 60924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 60925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 60926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 60927#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2))] [2018-07-23 13:46:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6962 backedges. 3540 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,290 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:46:35,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:46:35,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3659, Invalid=10621, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:46:35,292 INFO L87 Difference]: Start difference. First operand 241 states and 242 transitions. Second operand 120 states. [2018-07-23 13:46:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:35,788 INFO L93 Difference]: Finished difference Result 365 states and 367 transitions. [2018-07-23 13:46:35,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:46:35,789 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 240 [2018-07-23 13:46:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:35,790 INFO L225 Difference]: With dead ends: 365 [2018-07-23 13:46:35,790 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:46:35,791 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5075 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8850, Invalid=22656, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:46:35,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:46:35,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:46:35,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:46:35,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 244 transitions. [2018-07-23 13:46:35,809 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 244 transitions. Word has length 240 [2018-07-23 13:46:35,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:35,809 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 244 transitions. [2018-07-23 13:46:35,809 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:46:35,809 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 244 transitions. [2018-07-23 13:46:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:46:35,810 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:35,810 INFO L357 BasicCegarLoop]: trace histogram [60, 60, 59, 59, 1, 1, 1, 1] [2018-07-23 13:46:35,810 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:35,810 INFO L82 PathProgramCache]: Analyzing trace with hash -277226629, now seen corresponding path program 89 times [2018-07-23 13:46:35,810 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 3540 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:36,318 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:36,319 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:46:36,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:36,319 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 13:46:36,319 INFO L185 omatonBuilderFactory]: Interpolants [62262#true, 62263#false, 62264#(<= ULTIMATE.start_main_~i~5 0), 62265#(<= ULTIMATE.start_main_~i~5 1), 62266#(<= ULTIMATE.start_main_~i~5 2), 62267#(<= ULTIMATE.start_main_~i~5 3), 62268#(<= ULTIMATE.start_main_~i~5 4), 62269#(<= ULTIMATE.start_main_~i~5 5), 62270#(<= ULTIMATE.start_main_~i~5 6), 62271#(<= ULTIMATE.start_main_~i~5 7), 62272#(<= ULTIMATE.start_main_~i~5 8), 62273#(<= ULTIMATE.start_main_~i~5 9), 62274#(<= ULTIMATE.start_main_~i~5 10), 62275#(<= ULTIMATE.start_main_~i~5 11), 62276#(<= ULTIMATE.start_main_~i~5 12), 62277#(<= ULTIMATE.start_main_~i~5 13), 62278#(<= ULTIMATE.start_main_~i~5 14), 62279#(<= ULTIMATE.start_main_~i~5 15), 62280#(<= ULTIMATE.start_main_~i~5 16), 62281#(<= ULTIMATE.start_main_~i~5 17), 62282#(<= ULTIMATE.start_main_~i~5 18), 62283#(<= ULTIMATE.start_main_~i~5 19), 62284#(<= ULTIMATE.start_main_~i~5 20), 62285#(<= ULTIMATE.start_main_~i~5 21), 62286#(<= ULTIMATE.start_main_~i~5 22), 62287#(<= ULTIMATE.start_main_~i~5 23), 62288#(<= ULTIMATE.start_main_~i~5 24), 62289#(<= ULTIMATE.start_main_~i~5 25), 62290#(<= ULTIMATE.start_main_~i~5 26), 62291#(<= ULTIMATE.start_main_~i~5 27), 62292#(<= ULTIMATE.start_main_~i~5 28), 62293#(<= ULTIMATE.start_main_~i~5 29), 62294#(<= ULTIMATE.start_main_~i~5 30), 62295#(<= ULTIMATE.start_main_~i~5 31), 62296#(<= ULTIMATE.start_main_~i~5 32), 62297#(<= ULTIMATE.start_main_~i~5 33), 62298#(<= ULTIMATE.start_main_~i~5 34), 62299#(<= ULTIMATE.start_main_~i~5 35), 62300#(<= ULTIMATE.start_main_~i~5 36), 62301#(<= ULTIMATE.start_main_~i~5 37), 62302#(<= ULTIMATE.start_main_~i~5 38), 62303#(<= ULTIMATE.start_main_~i~5 39), 62304#(<= ULTIMATE.start_main_~i~5 40), 62305#(<= ULTIMATE.start_main_~i~5 41), 62306#(<= ULTIMATE.start_main_~i~5 42), 62307#(<= ULTIMATE.start_main_~i~5 43), 62308#(<= ULTIMATE.start_main_~i~5 44), 62309#(<= ULTIMATE.start_main_~i~5 45), 62310#(<= ULTIMATE.start_main_~i~5 46), 62311#(<= ULTIMATE.start_main_~i~5 47), 62312#(<= ULTIMATE.start_main_~i~5 48), 62313#(<= ULTIMATE.start_main_~i~5 49), 62314#(<= ULTIMATE.start_main_~i~5 50), 62315#(<= ULTIMATE.start_main_~i~5 51), 62316#(<= ULTIMATE.start_main_~i~5 52), 62317#(<= ULTIMATE.start_main_~i~5 53), 62318#(<= ULTIMATE.start_main_~i~5 54), 62319#(<= ULTIMATE.start_main_~i~5 55), 62320#(<= ULTIMATE.start_main_~i~5 56), 62321#(<= ULTIMATE.start_main_~i~5 57), 62322#(<= ULTIMATE.start_main_~i~5 58), 62323#(<= ULTIMATE.start_main_~i~5 59), 62324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 62325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 62326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 62327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 62328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 62329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 62330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 62331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 62332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 62333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 62334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 62335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 62336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 62337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 62338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 62339#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 62340#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 62341#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 62342#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 62343#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 62344#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 62345#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 62346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 62347#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 62348#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 62349#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 62350#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 62351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 62352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 62353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 62354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 62355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 62356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 62357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 62358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 62359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 62360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 62361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 62362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 62363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 62364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 62365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 62366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 62367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 62368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 62369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 62370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 62371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 62372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 62373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 62374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 62375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 62376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 62377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 62378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 62379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 62380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 62381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 62382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 3540 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:36,320 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:46:36,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:46:36,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3720, Invalid=10800, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:46:36,321 INFO L87 Difference]: Start difference. First operand 243 states and 244 transitions. Second operand 121 states. [2018-07-23 13:46:36,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:36,943 INFO L93 Difference]: Finished difference Result 367 states and 369 transitions. [2018-07-23 13:46:36,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:46:36,943 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 242 [2018-07-23 13:46:36,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:36,945 INFO L225 Difference]: With dead ends: 367 [2018-07-23 13:46:36,945 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:46:36,948 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9089, Invalid=23131, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:46:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:46:36,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:46:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:46:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 246 transitions. [2018-07-23 13:46:36,971 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 246 transitions. Word has length 242 [2018-07-23 13:46:36,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:36,972 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 246 transitions. [2018-07-23 13:46:36,972 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:46:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 246 transitions. [2018-07-23 13:46:36,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:46:36,973 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:36,974 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 60, 59, 1, 1, 1, 1] [2018-07-23 13:46:36,974 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:36,974 INFO L82 PathProgramCache]: Analyzing trace with hash -614469769, now seen corresponding path program 90 times [2018-07-23 13:46:36,974 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7200 backedges. 3660 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,379 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:37,379 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:46:37,379 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:37,379 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 13:46:37,380 INFO L185 omatonBuilderFactory]: Interpolants [63744#(<= 17 ULTIMATE.start_main_~k~5), 63745#(<= 18 ULTIMATE.start_main_~k~5), 63746#(<= 19 ULTIMATE.start_main_~k~5), 63747#(<= 20 ULTIMATE.start_main_~k~5), 63748#(<= 21 ULTIMATE.start_main_~k~5), 63749#(<= 22 ULTIMATE.start_main_~k~5), 63750#(<= 23 ULTIMATE.start_main_~k~5), 63751#(<= 24 ULTIMATE.start_main_~k~5), 63752#(<= 25 ULTIMATE.start_main_~k~5), 63753#(<= 26 ULTIMATE.start_main_~k~5), 63754#(<= 27 ULTIMATE.start_main_~k~5), 63755#(<= 28 ULTIMATE.start_main_~k~5), 63756#(<= 29 ULTIMATE.start_main_~k~5), 63757#(<= 30 ULTIMATE.start_main_~k~5), 63758#(<= 31 ULTIMATE.start_main_~k~5), 63759#(<= 32 ULTIMATE.start_main_~k~5), 63760#(<= 33 ULTIMATE.start_main_~k~5), 63761#(<= 34 ULTIMATE.start_main_~k~5), 63762#(<= 35 ULTIMATE.start_main_~k~5), 63763#(<= 36 ULTIMATE.start_main_~k~5), 63764#(<= 37 ULTIMATE.start_main_~k~5), 63765#(<= 38 ULTIMATE.start_main_~k~5), 63766#(<= 39 ULTIMATE.start_main_~k~5), 63767#(<= 40 ULTIMATE.start_main_~k~5), 63768#(<= 41 ULTIMATE.start_main_~k~5), 63769#(<= 42 ULTIMATE.start_main_~k~5), 63770#(<= 43 ULTIMATE.start_main_~k~5), 63771#(<= 44 ULTIMATE.start_main_~k~5), 63772#(<= 45 ULTIMATE.start_main_~k~5), 63773#(<= 46 ULTIMATE.start_main_~k~5), 63774#(<= 47 ULTIMATE.start_main_~k~5), 63775#(<= 48 ULTIMATE.start_main_~k~5), 63776#(<= 49 ULTIMATE.start_main_~k~5), 63777#(<= 50 ULTIMATE.start_main_~k~5), 63778#(<= 51 ULTIMATE.start_main_~k~5), 63779#(<= 52 ULTIMATE.start_main_~k~5), 63780#(<= 53 ULTIMATE.start_main_~k~5), 63781#(<= 54 ULTIMATE.start_main_~k~5), 63782#(<= 55 ULTIMATE.start_main_~k~5), 63783#(<= 56 ULTIMATE.start_main_~k~5), 63784#(<= 57 ULTIMATE.start_main_~k~5), 63785#(<= 58 ULTIMATE.start_main_~k~5), 63786#(<= 59 ULTIMATE.start_main_~k~5), 63787#(<= 60 ULTIMATE.start_main_~k~5), 63788#(and (<= 60 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 63789#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 63725#true, 63726#false, 63727#(<= 0 ULTIMATE.start_main_~k~5), 63728#(<= 1 ULTIMATE.start_main_~k~5), 63729#(<= 2 ULTIMATE.start_main_~k~5), 63730#(<= 3 ULTIMATE.start_main_~k~5), 63731#(<= 4 ULTIMATE.start_main_~k~5), 63732#(<= 5 ULTIMATE.start_main_~k~5), 63733#(<= 6 ULTIMATE.start_main_~k~5), 63734#(<= 7 ULTIMATE.start_main_~k~5), 63735#(<= 8 ULTIMATE.start_main_~k~5), 63736#(<= 9 ULTIMATE.start_main_~k~5), 63737#(<= 10 ULTIMATE.start_main_~k~5), 63738#(<= 11 ULTIMATE.start_main_~k~5), 63739#(<= 12 ULTIMATE.start_main_~k~5), 63740#(<= 13 ULTIMATE.start_main_~k~5), 63741#(<= 14 ULTIMATE.start_main_~k~5), 63742#(<= 15 ULTIMATE.start_main_~k~5), 63743#(<= 16 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7200 backedges. 3660 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,380 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:46:37,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:46:37,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2018, Invalid=2142, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:46:37,381 INFO L87 Difference]: Start difference. First operand 245 states and 246 transitions. Second operand 65 states. [2018-07-23 13:46:37,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:37,630 INFO L93 Difference]: Finished difference Result 251 states and 253 transitions. [2018-07-23 13:46:37,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:46:37,631 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 244 [2018-07-23 13:46:37,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:37,632 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:46:37,632 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:46:37,633 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3721 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5923, Invalid=9827, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:46:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:46:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:46:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:46:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 250 transitions. [2018-07-23 13:46:37,649 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 250 transitions. Word has length 244 [2018-07-23 13:46:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:37,649 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 250 transitions. [2018-07-23 13:46:37,649 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:46:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 250 transitions. [2018-07-23 13:46:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:46:37,650 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:37,650 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 61, 60, 1, 1, 1, 1] [2018-07-23 13:46:37,650 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:37,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1163771499, now seen corresponding path program 91 times [2018-07-23 13:46:37,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7442 backedges. 3782 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:38,162 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:38,162 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:46:38,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:38,162 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 13:46:38,162 INFO L185 omatonBuilderFactory]: Interpolants [65024#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 65025#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 65026#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 65027#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 65028#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 65029#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 65030#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 65031#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 65032#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 65033#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 65034#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 65035#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 64912#true, 64913#false, 64914#(<= ULTIMATE.start_main_~i~5 0), 64915#(<= ULTIMATE.start_main_~i~5 1), 64916#(<= ULTIMATE.start_main_~i~5 2), 64917#(<= ULTIMATE.start_main_~i~5 3), 64918#(<= ULTIMATE.start_main_~i~5 4), 64919#(<= ULTIMATE.start_main_~i~5 5), 64920#(<= ULTIMATE.start_main_~i~5 6), 64921#(<= ULTIMATE.start_main_~i~5 7), 64922#(<= ULTIMATE.start_main_~i~5 8), 64923#(<= ULTIMATE.start_main_~i~5 9), 64924#(<= ULTIMATE.start_main_~i~5 10), 64925#(<= ULTIMATE.start_main_~i~5 11), 64926#(<= ULTIMATE.start_main_~i~5 12), 64927#(<= ULTIMATE.start_main_~i~5 13), 64928#(<= ULTIMATE.start_main_~i~5 14), 64929#(<= ULTIMATE.start_main_~i~5 15), 64930#(<= ULTIMATE.start_main_~i~5 16), 64931#(<= ULTIMATE.start_main_~i~5 17), 64932#(<= ULTIMATE.start_main_~i~5 18), 64933#(<= ULTIMATE.start_main_~i~5 19), 64934#(<= ULTIMATE.start_main_~i~5 20), 64935#(<= ULTIMATE.start_main_~i~5 21), 64936#(<= ULTIMATE.start_main_~i~5 22), 64937#(<= ULTIMATE.start_main_~i~5 23), 64938#(<= ULTIMATE.start_main_~i~5 24), 64939#(<= ULTIMATE.start_main_~i~5 25), 64940#(<= ULTIMATE.start_main_~i~5 26), 64941#(<= ULTIMATE.start_main_~i~5 27), 64942#(<= ULTIMATE.start_main_~i~5 28), 64943#(<= ULTIMATE.start_main_~i~5 29), 64944#(<= ULTIMATE.start_main_~i~5 30), 64945#(<= ULTIMATE.start_main_~i~5 31), 64946#(<= ULTIMATE.start_main_~i~5 32), 64947#(<= ULTIMATE.start_main_~i~5 33), 64948#(<= ULTIMATE.start_main_~i~5 34), 64949#(<= ULTIMATE.start_main_~i~5 35), 64950#(<= ULTIMATE.start_main_~i~5 36), 64951#(<= ULTIMATE.start_main_~i~5 37), 64952#(<= ULTIMATE.start_main_~i~5 38), 64953#(<= ULTIMATE.start_main_~i~5 39), 64954#(<= ULTIMATE.start_main_~i~5 40), 64955#(<= ULTIMATE.start_main_~i~5 41), 64956#(<= ULTIMATE.start_main_~i~5 42), 64957#(<= ULTIMATE.start_main_~i~5 43), 64958#(<= ULTIMATE.start_main_~i~5 44), 64959#(<= ULTIMATE.start_main_~i~5 45), 64960#(<= ULTIMATE.start_main_~i~5 46), 64961#(<= ULTIMATE.start_main_~i~5 47), 64962#(<= ULTIMATE.start_main_~i~5 48), 64963#(<= ULTIMATE.start_main_~i~5 49), 64964#(<= ULTIMATE.start_main_~i~5 50), 64965#(<= ULTIMATE.start_main_~i~5 51), 64966#(<= ULTIMATE.start_main_~i~5 52), 64967#(<= ULTIMATE.start_main_~i~5 53), 64968#(<= ULTIMATE.start_main_~i~5 54), 64969#(<= ULTIMATE.start_main_~i~5 55), 64970#(<= ULTIMATE.start_main_~i~5 56), 64971#(<= ULTIMATE.start_main_~i~5 57), 64972#(<= ULTIMATE.start_main_~i~5 58), 64973#(<= ULTIMATE.start_main_~i~5 59), 64974#(<= ULTIMATE.start_main_~i~5 60), 64975#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 64976#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 64977#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 64978#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 64979#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 64980#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 64981#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 64982#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 64983#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 64984#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 64985#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 64986#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 64987#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 64988#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 64989#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 64990#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 64991#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 64992#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 64993#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 64994#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 64995#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 64996#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 64997#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 64998#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 64999#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 65000#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 65001#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 65002#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 65003#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 65004#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 65005#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 65006#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 65007#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 65008#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 65009#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 65010#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 65011#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 65012#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 65013#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 65014#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 65015#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 65016#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 65017#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 65018#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 65019#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 65020#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 65021#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 65022#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 65023#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12))] [2018-07-23 13:46:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7442 backedges. 3782 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:38,163 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:46:38,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:46:38,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3905, Invalid=11347, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:46:38,164 INFO L87 Difference]: Start difference. First operand 249 states and 250 transitions. Second operand 124 states. [2018-07-23 13:46:38,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:38,714 INFO L93 Difference]: Finished difference Result 377 states and 379 transitions. [2018-07-23 13:46:38,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:46:38,715 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 248 [2018-07-23 13:46:38,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:38,716 INFO L225 Difference]: With dead ends: 377 [2018-07-23 13:46:38,716 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:46:38,718 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5430 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9455, Invalid=24217, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:46:38,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:46:38,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:46:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:46:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 252 transitions. [2018-07-23 13:46:38,738 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 252 transitions. Word has length 248 [2018-07-23 13:46:38,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:38,738 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 252 transitions. [2018-07-23 13:46:38,738 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:46:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 252 transitions. [2018-07-23 13:46:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:46:38,739 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:38,739 INFO L357 BasicCegarLoop]: trace histogram [62, 62, 61, 61, 1, 1, 1, 1] [2018-07-23 13:46:38,739 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:38,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1439425895, now seen corresponding path program 92 times [2018-07-23 13:46:38,740 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:39,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3782 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,238 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:39,238 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:46:39,238 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:39,239 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 13:46:39,239 INFO L185 omatonBuilderFactory]: Interpolants [66413#false, 66412#true, 66415#(<= ULTIMATE.start_main_~i~5 1), 66414#(<= ULTIMATE.start_main_~i~5 0), 66417#(<= ULTIMATE.start_main_~i~5 3), 66416#(<= ULTIMATE.start_main_~i~5 2), 66419#(<= ULTIMATE.start_main_~i~5 5), 66418#(<= ULTIMATE.start_main_~i~5 4), 66421#(<= ULTIMATE.start_main_~i~5 7), 66420#(<= ULTIMATE.start_main_~i~5 6), 66423#(<= ULTIMATE.start_main_~i~5 9), 66422#(<= ULTIMATE.start_main_~i~5 8), 66425#(<= ULTIMATE.start_main_~i~5 11), 66424#(<= ULTIMATE.start_main_~i~5 10), 66427#(<= ULTIMATE.start_main_~i~5 13), 66426#(<= ULTIMATE.start_main_~i~5 12), 66429#(<= ULTIMATE.start_main_~i~5 15), 66428#(<= ULTIMATE.start_main_~i~5 14), 66431#(<= ULTIMATE.start_main_~i~5 17), 66430#(<= ULTIMATE.start_main_~i~5 16), 66433#(<= ULTIMATE.start_main_~i~5 19), 66432#(<= ULTIMATE.start_main_~i~5 18), 66435#(<= ULTIMATE.start_main_~i~5 21), 66434#(<= ULTIMATE.start_main_~i~5 20), 66437#(<= ULTIMATE.start_main_~i~5 23), 66436#(<= ULTIMATE.start_main_~i~5 22), 66439#(<= ULTIMATE.start_main_~i~5 25), 66438#(<= ULTIMATE.start_main_~i~5 24), 66441#(<= ULTIMATE.start_main_~i~5 27), 66440#(<= ULTIMATE.start_main_~i~5 26), 66443#(<= ULTIMATE.start_main_~i~5 29), 66442#(<= ULTIMATE.start_main_~i~5 28), 66445#(<= ULTIMATE.start_main_~i~5 31), 66444#(<= ULTIMATE.start_main_~i~5 30), 66447#(<= ULTIMATE.start_main_~i~5 33), 66446#(<= ULTIMATE.start_main_~i~5 32), 66449#(<= ULTIMATE.start_main_~i~5 35), 66448#(<= ULTIMATE.start_main_~i~5 34), 66451#(<= ULTIMATE.start_main_~i~5 37), 66450#(<= ULTIMATE.start_main_~i~5 36), 66453#(<= ULTIMATE.start_main_~i~5 39), 66452#(<= ULTIMATE.start_main_~i~5 38), 66455#(<= ULTIMATE.start_main_~i~5 41), 66454#(<= ULTIMATE.start_main_~i~5 40), 66457#(<= ULTIMATE.start_main_~i~5 43), 66456#(<= ULTIMATE.start_main_~i~5 42), 66459#(<= ULTIMATE.start_main_~i~5 45), 66458#(<= ULTIMATE.start_main_~i~5 44), 66461#(<= ULTIMATE.start_main_~i~5 47), 66460#(<= ULTIMATE.start_main_~i~5 46), 66463#(<= ULTIMATE.start_main_~i~5 49), 66462#(<= ULTIMATE.start_main_~i~5 48), 66465#(<= ULTIMATE.start_main_~i~5 51), 66464#(<= ULTIMATE.start_main_~i~5 50), 66467#(<= ULTIMATE.start_main_~i~5 53), 66466#(<= ULTIMATE.start_main_~i~5 52), 66469#(<= ULTIMATE.start_main_~i~5 55), 66468#(<= ULTIMATE.start_main_~i~5 54), 66471#(<= ULTIMATE.start_main_~i~5 57), 66470#(<= ULTIMATE.start_main_~i~5 56), 66473#(<= ULTIMATE.start_main_~i~5 59), 66472#(<= ULTIMATE.start_main_~i~5 58), 66475#(<= ULTIMATE.start_main_~i~5 61), 66474#(<= ULTIMATE.start_main_~i~5 60), 66477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 66476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 66479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 66478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 66481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 66480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 66483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 66482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 66485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 66484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 66487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 66486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 66489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 66488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 66491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 66490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 66493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 66492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 66495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 66494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 66497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 66496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 66499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 66498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 66501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 66500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 66503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 66502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 66505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 66504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 66507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 66506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 66509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 66508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 66511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 66510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 66513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 66512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 66515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 66514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 66517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 66516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 66519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 66518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 66521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 66520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 66523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 66522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 66525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 66524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 66527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 66526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 66529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 66528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 66531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 66530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 66533#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 66532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 66535#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 66534#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 66536#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3782 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,239 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:46:39,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:46:39,241 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3968, Invalid=11532, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:46:39,241 INFO L87 Difference]: Start difference. First operand 251 states and 252 transitions. Second operand 125 states. [2018-07-23 13:46:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:39,695 INFO L93 Difference]: Finished difference Result 379 states and 381 transitions. [2018-07-23 13:46:39,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:46:39,695 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 250 [2018-07-23 13:46:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:39,696 INFO L225 Difference]: With dead ends: 379 [2018-07-23 13:46:39,696 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:46:39,701 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5491 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9702, Invalid=24708, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:46:39,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:46:39,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:46:39,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:46:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 254 transitions. [2018-07-23 13:46:39,721 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 254 transitions. Word has length 250 [2018-07-23 13:46:39,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:39,721 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 254 transitions. [2018-07-23 13:46:39,721 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:46:39,721 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 254 transitions. [2018-07-23 13:46:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:46:39,722 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:39,722 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 62, 61, 1, 1, 1, 1] [2018-07-23 13:46:39,723 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:39,723 INFO L82 PathProgramCache]: Analyzing trace with hash 55328099, now seen corresponding path program 93 times [2018-07-23 13:46:39,723 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7688 backedges. 3906 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,008 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:40,008 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:46:40,008 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:40,009 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 13:46:40,009 INFO L185 omatonBuilderFactory]: Interpolants [67969#(<= 44 ULTIMATE.start_main_~k~5), 67968#(<= 43 ULTIMATE.start_main_~k~5), 67971#(<= 46 ULTIMATE.start_main_~k~5), 67970#(<= 45 ULTIMATE.start_main_~k~5), 67973#(<= 48 ULTIMATE.start_main_~k~5), 67972#(<= 47 ULTIMATE.start_main_~k~5), 67975#(<= 50 ULTIMATE.start_main_~k~5), 67974#(<= 49 ULTIMATE.start_main_~k~5), 67977#(<= 52 ULTIMATE.start_main_~k~5), 67976#(<= 51 ULTIMATE.start_main_~k~5), 67979#(<= 54 ULTIMATE.start_main_~k~5), 67978#(<= 53 ULTIMATE.start_main_~k~5), 67981#(<= 56 ULTIMATE.start_main_~k~5), 67980#(<= 55 ULTIMATE.start_main_~k~5), 67983#(<= 58 ULTIMATE.start_main_~k~5), 67982#(<= 57 ULTIMATE.start_main_~k~5), 67985#(<= 60 ULTIMATE.start_main_~k~5), 67984#(<= 59 ULTIMATE.start_main_~k~5), 67987#(<= 62 ULTIMATE.start_main_~k~5), 67986#(<= 61 ULTIMATE.start_main_~k~5), 67989#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 67988#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 62 ULTIMATE.start_main_~k~5)), 67923#true, 67925#(<= 0 ULTIMATE.start_main_~k~5), 67924#false, 67927#(<= 2 ULTIMATE.start_main_~k~5), 67926#(<= 1 ULTIMATE.start_main_~k~5), 67929#(<= 4 ULTIMATE.start_main_~k~5), 67928#(<= 3 ULTIMATE.start_main_~k~5), 67931#(<= 6 ULTIMATE.start_main_~k~5), 67930#(<= 5 ULTIMATE.start_main_~k~5), 67933#(<= 8 ULTIMATE.start_main_~k~5), 67932#(<= 7 ULTIMATE.start_main_~k~5), 67935#(<= 10 ULTIMATE.start_main_~k~5), 67934#(<= 9 ULTIMATE.start_main_~k~5), 67937#(<= 12 ULTIMATE.start_main_~k~5), 67936#(<= 11 ULTIMATE.start_main_~k~5), 67939#(<= 14 ULTIMATE.start_main_~k~5), 67938#(<= 13 ULTIMATE.start_main_~k~5), 67941#(<= 16 ULTIMATE.start_main_~k~5), 67940#(<= 15 ULTIMATE.start_main_~k~5), 67943#(<= 18 ULTIMATE.start_main_~k~5), 67942#(<= 17 ULTIMATE.start_main_~k~5), 67945#(<= 20 ULTIMATE.start_main_~k~5), 67944#(<= 19 ULTIMATE.start_main_~k~5), 67947#(<= 22 ULTIMATE.start_main_~k~5), 67946#(<= 21 ULTIMATE.start_main_~k~5), 67949#(<= 24 ULTIMATE.start_main_~k~5), 67948#(<= 23 ULTIMATE.start_main_~k~5), 67951#(<= 26 ULTIMATE.start_main_~k~5), 67950#(<= 25 ULTIMATE.start_main_~k~5), 67953#(<= 28 ULTIMATE.start_main_~k~5), 67952#(<= 27 ULTIMATE.start_main_~k~5), 67955#(<= 30 ULTIMATE.start_main_~k~5), 67954#(<= 29 ULTIMATE.start_main_~k~5), 67957#(<= 32 ULTIMATE.start_main_~k~5), 67956#(<= 31 ULTIMATE.start_main_~k~5), 67959#(<= 34 ULTIMATE.start_main_~k~5), 67958#(<= 33 ULTIMATE.start_main_~k~5), 67961#(<= 36 ULTIMATE.start_main_~k~5), 67960#(<= 35 ULTIMATE.start_main_~k~5), 67963#(<= 38 ULTIMATE.start_main_~k~5), 67962#(<= 37 ULTIMATE.start_main_~k~5), 67965#(<= 40 ULTIMATE.start_main_~k~5), 67964#(<= 39 ULTIMATE.start_main_~k~5), 67967#(<= 42 ULTIMATE.start_main_~k~5), 67966#(<= 41 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 7688 backedges. 3906 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,009 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:46:40,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:46:40,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2147, Invalid=2275, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:46:40,010 INFO L87 Difference]: Start difference. First operand 253 states and 254 transitions. Second operand 67 states. [2018-07-23 13:46:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:40,269 INFO L93 Difference]: Finished difference Result 259 states and 261 transitions. [2018-07-23 13:46:40,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:46:40,269 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 252 [2018-07-23 13:46:40,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:40,270 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:46:40,270 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:46:40,272 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3969 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6306, Invalid=10464, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:46:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:46:40,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:46:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:46:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 258 transitions. [2018-07-23 13:46:40,297 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 258 transitions. Word has length 252 [2018-07-23 13:46:40,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:40,298 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 258 transitions. [2018-07-23 13:46:40,298 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:46:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 258 transitions. [2018-07-23 13:46:40,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:46:40,299 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:40,299 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 63, 62, 1, 1, 1, 1] [2018-07-23 13:46:40,299 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:40,299 INFO L82 PathProgramCache]: Analyzing trace with hash -514247081, now seen corresponding path program 94 times [2018-07-23 13:46:40,299 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7938 backedges. 4032 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,919 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:40,919 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:46:40,919 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:40,919 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 13:46:40,920 INFO L185 omatonBuilderFactory]: Interpolants [69149#false, 69148#true, 69151#(<= ULTIMATE.start_main_~i~5 1), 69150#(<= ULTIMATE.start_main_~i~5 0), 69153#(<= ULTIMATE.start_main_~i~5 3), 69152#(<= ULTIMATE.start_main_~i~5 2), 69155#(<= ULTIMATE.start_main_~i~5 5), 69154#(<= ULTIMATE.start_main_~i~5 4), 69157#(<= ULTIMATE.start_main_~i~5 7), 69156#(<= ULTIMATE.start_main_~i~5 6), 69159#(<= ULTIMATE.start_main_~i~5 9), 69158#(<= ULTIMATE.start_main_~i~5 8), 69161#(<= ULTIMATE.start_main_~i~5 11), 69160#(<= ULTIMATE.start_main_~i~5 10), 69163#(<= ULTIMATE.start_main_~i~5 13), 69162#(<= ULTIMATE.start_main_~i~5 12), 69165#(<= ULTIMATE.start_main_~i~5 15), 69164#(<= ULTIMATE.start_main_~i~5 14), 69167#(<= ULTIMATE.start_main_~i~5 17), 69166#(<= ULTIMATE.start_main_~i~5 16), 69169#(<= ULTIMATE.start_main_~i~5 19), 69168#(<= ULTIMATE.start_main_~i~5 18), 69171#(<= ULTIMATE.start_main_~i~5 21), 69170#(<= ULTIMATE.start_main_~i~5 20), 69173#(<= ULTIMATE.start_main_~i~5 23), 69172#(<= ULTIMATE.start_main_~i~5 22), 69175#(<= ULTIMATE.start_main_~i~5 25), 69174#(<= ULTIMATE.start_main_~i~5 24), 69177#(<= ULTIMATE.start_main_~i~5 27), 69176#(<= ULTIMATE.start_main_~i~5 26), 69179#(<= ULTIMATE.start_main_~i~5 29), 69178#(<= ULTIMATE.start_main_~i~5 28), 69181#(<= ULTIMATE.start_main_~i~5 31), 69180#(<= ULTIMATE.start_main_~i~5 30), 69183#(<= ULTIMATE.start_main_~i~5 33), 69182#(<= ULTIMATE.start_main_~i~5 32), 69185#(<= ULTIMATE.start_main_~i~5 35), 69184#(<= ULTIMATE.start_main_~i~5 34), 69187#(<= ULTIMATE.start_main_~i~5 37), 69186#(<= ULTIMATE.start_main_~i~5 36), 69189#(<= ULTIMATE.start_main_~i~5 39), 69188#(<= ULTIMATE.start_main_~i~5 38), 69191#(<= ULTIMATE.start_main_~i~5 41), 69190#(<= ULTIMATE.start_main_~i~5 40), 69193#(<= ULTIMATE.start_main_~i~5 43), 69192#(<= ULTIMATE.start_main_~i~5 42), 69195#(<= ULTIMATE.start_main_~i~5 45), 69194#(<= ULTIMATE.start_main_~i~5 44), 69197#(<= ULTIMATE.start_main_~i~5 47), 69196#(<= ULTIMATE.start_main_~i~5 46), 69199#(<= ULTIMATE.start_main_~i~5 49), 69198#(<= ULTIMATE.start_main_~i~5 48), 69201#(<= ULTIMATE.start_main_~i~5 51), 69200#(<= ULTIMATE.start_main_~i~5 50), 69203#(<= ULTIMATE.start_main_~i~5 53), 69202#(<= ULTIMATE.start_main_~i~5 52), 69205#(<= ULTIMATE.start_main_~i~5 55), 69204#(<= ULTIMATE.start_main_~i~5 54), 69207#(<= ULTIMATE.start_main_~i~5 57), 69206#(<= ULTIMATE.start_main_~i~5 56), 69209#(<= ULTIMATE.start_main_~i~5 59), 69208#(<= ULTIMATE.start_main_~i~5 58), 69211#(<= ULTIMATE.start_main_~i~5 61), 69210#(<= ULTIMATE.start_main_~i~5 60), 69213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 69212#(<= ULTIMATE.start_main_~i~5 62), 69215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 69214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 69217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 69216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 69219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 69218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 69221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 69220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 69223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 69222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 69225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 69224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 69227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 69226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 69229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 69228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 69231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 69230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 69233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 69232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 69235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 69234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 69237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 69236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 69239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 69238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 69241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 69240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 69243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 69242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 69245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 69244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 69247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 69246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 69249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 69248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 69251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 69250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 69253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 69252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 69255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 69254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 69257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 69256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 69259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 69258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 69261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 69260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 69263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 69262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 69265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 69264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 69267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 69266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 69269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 69268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 69271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 69270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 69273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 69272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 69275#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 69274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7938 backedges. 4032 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,920 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:46:40,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:46:40,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4159, Invalid=12097, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:46:40,922 INFO L87 Difference]: Start difference. First operand 257 states and 258 transitions. Second operand 128 states. [2018-07-23 13:46:41,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:41,410 INFO L93 Difference]: Finished difference Result 389 states and 391 transitions. [2018-07-23 13:46:41,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:46:41,410 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 256 [2018-07-23 13:46:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:41,412 INFO L225 Difference]: With dead ends: 389 [2018-07-23 13:46:41,412 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:46:41,414 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5797 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10080, Invalid=25830, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:46:41,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:46:41,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:46:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:46:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 260 transitions. [2018-07-23 13:46:41,439 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 260 transitions. Word has length 256 [2018-07-23 13:46:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:41,439 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 260 transitions. [2018-07-23 13:46:41,439 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:46:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 260 transitions. [2018-07-23 13:46:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:46:41,441 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:41,441 INFO L357 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 1, 1, 1, 1] [2018-07-23 13:46:41,441 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:41,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1080123053, now seen corresponding path program 95 times [2018-07-23 13:46:41,442 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 4032 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:42,185 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:42,185 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:46:42,185 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:42,185 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 13:46:42,186 INFO L185 omatonBuilderFactory]: Interpolants [70697#false, 70696#true, 70699#(<= ULTIMATE.start_main_~i~5 1), 70698#(<= ULTIMATE.start_main_~i~5 0), 70701#(<= ULTIMATE.start_main_~i~5 3), 70700#(<= ULTIMATE.start_main_~i~5 2), 70703#(<= ULTIMATE.start_main_~i~5 5), 70702#(<= ULTIMATE.start_main_~i~5 4), 70705#(<= ULTIMATE.start_main_~i~5 7), 70704#(<= ULTIMATE.start_main_~i~5 6), 70707#(<= ULTIMATE.start_main_~i~5 9), 70706#(<= ULTIMATE.start_main_~i~5 8), 70709#(<= ULTIMATE.start_main_~i~5 11), 70708#(<= ULTIMATE.start_main_~i~5 10), 70711#(<= ULTIMATE.start_main_~i~5 13), 70710#(<= ULTIMATE.start_main_~i~5 12), 70713#(<= ULTIMATE.start_main_~i~5 15), 70712#(<= ULTIMATE.start_main_~i~5 14), 70715#(<= ULTIMATE.start_main_~i~5 17), 70714#(<= ULTIMATE.start_main_~i~5 16), 70717#(<= ULTIMATE.start_main_~i~5 19), 70716#(<= ULTIMATE.start_main_~i~5 18), 70719#(<= ULTIMATE.start_main_~i~5 21), 70718#(<= ULTIMATE.start_main_~i~5 20), 70721#(<= ULTIMATE.start_main_~i~5 23), 70720#(<= ULTIMATE.start_main_~i~5 22), 70723#(<= ULTIMATE.start_main_~i~5 25), 70722#(<= ULTIMATE.start_main_~i~5 24), 70725#(<= ULTIMATE.start_main_~i~5 27), 70724#(<= ULTIMATE.start_main_~i~5 26), 70727#(<= ULTIMATE.start_main_~i~5 29), 70726#(<= ULTIMATE.start_main_~i~5 28), 70729#(<= ULTIMATE.start_main_~i~5 31), 70728#(<= ULTIMATE.start_main_~i~5 30), 70731#(<= ULTIMATE.start_main_~i~5 33), 70730#(<= ULTIMATE.start_main_~i~5 32), 70733#(<= ULTIMATE.start_main_~i~5 35), 70732#(<= ULTIMATE.start_main_~i~5 34), 70735#(<= ULTIMATE.start_main_~i~5 37), 70734#(<= ULTIMATE.start_main_~i~5 36), 70737#(<= ULTIMATE.start_main_~i~5 39), 70736#(<= ULTIMATE.start_main_~i~5 38), 70739#(<= ULTIMATE.start_main_~i~5 41), 70738#(<= ULTIMATE.start_main_~i~5 40), 70741#(<= ULTIMATE.start_main_~i~5 43), 70740#(<= ULTIMATE.start_main_~i~5 42), 70743#(<= ULTIMATE.start_main_~i~5 45), 70742#(<= ULTIMATE.start_main_~i~5 44), 70745#(<= ULTIMATE.start_main_~i~5 47), 70744#(<= ULTIMATE.start_main_~i~5 46), 70747#(<= ULTIMATE.start_main_~i~5 49), 70746#(<= ULTIMATE.start_main_~i~5 48), 70749#(<= ULTIMATE.start_main_~i~5 51), 70748#(<= ULTIMATE.start_main_~i~5 50), 70751#(<= ULTIMATE.start_main_~i~5 53), 70750#(<= ULTIMATE.start_main_~i~5 52), 70753#(<= ULTIMATE.start_main_~i~5 55), 70752#(<= ULTIMATE.start_main_~i~5 54), 70755#(<= ULTIMATE.start_main_~i~5 57), 70754#(<= ULTIMATE.start_main_~i~5 56), 70757#(<= ULTIMATE.start_main_~i~5 59), 70756#(<= ULTIMATE.start_main_~i~5 58), 70759#(<= ULTIMATE.start_main_~i~5 61), 70758#(<= ULTIMATE.start_main_~i~5 60), 70761#(<= ULTIMATE.start_main_~i~5 63), 70760#(<= ULTIMATE.start_main_~i~5 62), 70763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 70762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 70765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 70764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 70767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 70766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 70769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 70768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 70771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 70770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 70773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 70772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 70775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 70774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 70777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 70776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 70779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 70778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 70781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 70780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 70783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 70782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 70785#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 70784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 70787#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 70786#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 70789#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 70788#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 70791#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 70790#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 70793#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 70792#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 70795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 70794#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 70797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 70796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 70799#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 70798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 70801#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 70800#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 70803#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 70802#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 70805#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 70804#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 70807#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 70806#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 70809#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 70808#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 70811#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 70810#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 70813#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 70812#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 70815#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 70814#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 70817#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 70816#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 70819#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 70818#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 70821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 70820#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 70823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 70822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 70824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 4032 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:42,186 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:46:42,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:46:42,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4224, Invalid=12288, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:46:42,188 INFO L87 Difference]: Start difference. First operand 259 states and 260 transitions. Second operand 129 states. [2018-07-23 13:46:42,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:42,748 INFO L93 Difference]: Finished difference Result 391 states and 393 transitions. [2018-07-23 13:46:42,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:46:42,748 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 258 [2018-07-23 13:46:42,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:42,749 INFO L225 Difference]: With dead ends: 391 [2018-07-23 13:46:42,750 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:46:42,752 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5860 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10335, Invalid=26337, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:46:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:46:42,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:46:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:46:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 262 transitions. [2018-07-23 13:46:42,772 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 262 transitions. Word has length 258 [2018-07-23 13:46:42,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:42,773 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 262 transitions. [2018-07-23 13:46:42,773 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:46:42,773 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 262 transitions. [2018-07-23 13:46:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:46:42,774 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:42,774 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 64, 63, 1, 1, 1, 1] [2018-07-23 13:46:42,774 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:42,774 INFO L82 PathProgramCache]: Analyzing trace with hash 573914447, now seen corresponding path program 96 times [2018-07-23 13:46:42,774 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 8192 backedges. 4160 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,100 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:43,100 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:46:43,100 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:43,101 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 13:46:43,101 INFO L185 omatonBuilderFactory]: Interpolants [72321#(<= 64 ULTIMATE.start_main_~k~5), 72320#(<= 63 ULTIMATE.start_main_~k~5), 72323#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 72322#(and (<= 64 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 72255#true, 72257#(<= 0 ULTIMATE.start_main_~k~5), 72256#false, 72259#(<= 2 ULTIMATE.start_main_~k~5), 72258#(<= 1 ULTIMATE.start_main_~k~5), 72261#(<= 4 ULTIMATE.start_main_~k~5), 72260#(<= 3 ULTIMATE.start_main_~k~5), 72263#(<= 6 ULTIMATE.start_main_~k~5), 72262#(<= 5 ULTIMATE.start_main_~k~5), 72265#(<= 8 ULTIMATE.start_main_~k~5), 72264#(<= 7 ULTIMATE.start_main_~k~5), 72267#(<= 10 ULTIMATE.start_main_~k~5), 72266#(<= 9 ULTIMATE.start_main_~k~5), 72269#(<= 12 ULTIMATE.start_main_~k~5), 72268#(<= 11 ULTIMATE.start_main_~k~5), 72271#(<= 14 ULTIMATE.start_main_~k~5), 72270#(<= 13 ULTIMATE.start_main_~k~5), 72273#(<= 16 ULTIMATE.start_main_~k~5), 72272#(<= 15 ULTIMATE.start_main_~k~5), 72275#(<= 18 ULTIMATE.start_main_~k~5), 72274#(<= 17 ULTIMATE.start_main_~k~5), 72277#(<= 20 ULTIMATE.start_main_~k~5), 72276#(<= 19 ULTIMATE.start_main_~k~5), 72279#(<= 22 ULTIMATE.start_main_~k~5), 72278#(<= 21 ULTIMATE.start_main_~k~5), 72281#(<= 24 ULTIMATE.start_main_~k~5), 72280#(<= 23 ULTIMATE.start_main_~k~5), 72283#(<= 26 ULTIMATE.start_main_~k~5), 72282#(<= 25 ULTIMATE.start_main_~k~5), 72285#(<= 28 ULTIMATE.start_main_~k~5), 72284#(<= 27 ULTIMATE.start_main_~k~5), 72287#(<= 30 ULTIMATE.start_main_~k~5), 72286#(<= 29 ULTIMATE.start_main_~k~5), 72289#(<= 32 ULTIMATE.start_main_~k~5), 72288#(<= 31 ULTIMATE.start_main_~k~5), 72291#(<= 34 ULTIMATE.start_main_~k~5), 72290#(<= 33 ULTIMATE.start_main_~k~5), 72293#(<= 36 ULTIMATE.start_main_~k~5), 72292#(<= 35 ULTIMATE.start_main_~k~5), 72295#(<= 38 ULTIMATE.start_main_~k~5), 72294#(<= 37 ULTIMATE.start_main_~k~5), 72297#(<= 40 ULTIMATE.start_main_~k~5), 72296#(<= 39 ULTIMATE.start_main_~k~5), 72299#(<= 42 ULTIMATE.start_main_~k~5), 72298#(<= 41 ULTIMATE.start_main_~k~5), 72301#(<= 44 ULTIMATE.start_main_~k~5), 72300#(<= 43 ULTIMATE.start_main_~k~5), 72303#(<= 46 ULTIMATE.start_main_~k~5), 72302#(<= 45 ULTIMATE.start_main_~k~5), 72305#(<= 48 ULTIMATE.start_main_~k~5), 72304#(<= 47 ULTIMATE.start_main_~k~5), 72307#(<= 50 ULTIMATE.start_main_~k~5), 72306#(<= 49 ULTIMATE.start_main_~k~5), 72309#(<= 52 ULTIMATE.start_main_~k~5), 72308#(<= 51 ULTIMATE.start_main_~k~5), 72311#(<= 54 ULTIMATE.start_main_~k~5), 72310#(<= 53 ULTIMATE.start_main_~k~5), 72313#(<= 56 ULTIMATE.start_main_~k~5), 72312#(<= 55 ULTIMATE.start_main_~k~5), 72315#(<= 58 ULTIMATE.start_main_~k~5), 72314#(<= 57 ULTIMATE.start_main_~k~5), 72317#(<= 60 ULTIMATE.start_main_~k~5), 72316#(<= 59 ULTIMATE.start_main_~k~5), 72319#(<= 62 ULTIMATE.start_main_~k~5), 72318#(<= 61 ULTIMATE.start_main_~k~5)] [2018-07-23 13:46:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8192 backedges. 4160 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:46:43,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:46:43,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2280, Invalid=2412, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:46:43,102 INFO L87 Difference]: Start difference. First operand 261 states and 262 transitions. Second operand 69 states. [2018-07-23 13:46:43,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:43,351 INFO L93 Difference]: Finished difference Result 267 states and 269 transitions. [2018-07-23 13:46:43,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:46:43,351 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 260 [2018-07-23 13:46:43,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:43,352 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:46:43,352 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:46:43,354 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6701, Invalid=11121, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:46:43,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:46:43,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:46:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:46:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 266 transitions. [2018-07-23 13:46:43,373 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 266 transitions. Word has length 260 [2018-07-23 13:46:43,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:43,374 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 266 transitions. [2018-07-23 13:46:43,374 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:46:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 266 transitions. [2018-07-23 13:46:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:46:43,375 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:43,375 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 65, 64, 1, 1, 1, 1] [2018-07-23 13:46:43,375 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:43,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1655201859, now seen corresponding path program 97 times [2018-07-23 13:46:43,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:44,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8450 backedges. 4290 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:44,009 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:44,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:46:44,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:44,009 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 13:46:44,010 INFO L185 omatonBuilderFactory]: Interpolants [73519#false, 73518#true, 73521#(<= ULTIMATE.start_main_~i~5 1), 73520#(<= ULTIMATE.start_main_~i~5 0), 73523#(<= ULTIMATE.start_main_~i~5 3), 73522#(<= ULTIMATE.start_main_~i~5 2), 73525#(<= ULTIMATE.start_main_~i~5 5), 73524#(<= ULTIMATE.start_main_~i~5 4), 73527#(<= ULTIMATE.start_main_~i~5 7), 73526#(<= ULTIMATE.start_main_~i~5 6), 73529#(<= ULTIMATE.start_main_~i~5 9), 73528#(<= ULTIMATE.start_main_~i~5 8), 73531#(<= ULTIMATE.start_main_~i~5 11), 73530#(<= ULTIMATE.start_main_~i~5 10), 73533#(<= ULTIMATE.start_main_~i~5 13), 73532#(<= ULTIMATE.start_main_~i~5 12), 73535#(<= ULTIMATE.start_main_~i~5 15), 73534#(<= ULTIMATE.start_main_~i~5 14), 73537#(<= ULTIMATE.start_main_~i~5 17), 73536#(<= ULTIMATE.start_main_~i~5 16), 73539#(<= ULTIMATE.start_main_~i~5 19), 73538#(<= ULTIMATE.start_main_~i~5 18), 73541#(<= ULTIMATE.start_main_~i~5 21), 73540#(<= ULTIMATE.start_main_~i~5 20), 73543#(<= ULTIMATE.start_main_~i~5 23), 73542#(<= ULTIMATE.start_main_~i~5 22), 73545#(<= ULTIMATE.start_main_~i~5 25), 73544#(<= ULTIMATE.start_main_~i~5 24), 73547#(<= ULTIMATE.start_main_~i~5 27), 73546#(<= ULTIMATE.start_main_~i~5 26), 73549#(<= ULTIMATE.start_main_~i~5 29), 73548#(<= ULTIMATE.start_main_~i~5 28), 73551#(<= ULTIMATE.start_main_~i~5 31), 73550#(<= ULTIMATE.start_main_~i~5 30), 73553#(<= ULTIMATE.start_main_~i~5 33), 73552#(<= ULTIMATE.start_main_~i~5 32), 73555#(<= ULTIMATE.start_main_~i~5 35), 73554#(<= ULTIMATE.start_main_~i~5 34), 73557#(<= ULTIMATE.start_main_~i~5 37), 73556#(<= ULTIMATE.start_main_~i~5 36), 73559#(<= ULTIMATE.start_main_~i~5 39), 73558#(<= ULTIMATE.start_main_~i~5 38), 73561#(<= ULTIMATE.start_main_~i~5 41), 73560#(<= ULTIMATE.start_main_~i~5 40), 73563#(<= ULTIMATE.start_main_~i~5 43), 73562#(<= ULTIMATE.start_main_~i~5 42), 73565#(<= ULTIMATE.start_main_~i~5 45), 73564#(<= ULTIMATE.start_main_~i~5 44), 73567#(<= ULTIMATE.start_main_~i~5 47), 73566#(<= ULTIMATE.start_main_~i~5 46), 73569#(<= ULTIMATE.start_main_~i~5 49), 73568#(<= ULTIMATE.start_main_~i~5 48), 73571#(<= ULTIMATE.start_main_~i~5 51), 73570#(<= ULTIMATE.start_main_~i~5 50), 73573#(<= ULTIMATE.start_main_~i~5 53), 73572#(<= ULTIMATE.start_main_~i~5 52), 73575#(<= ULTIMATE.start_main_~i~5 55), 73574#(<= ULTIMATE.start_main_~i~5 54), 73577#(<= ULTIMATE.start_main_~i~5 57), 73576#(<= ULTIMATE.start_main_~i~5 56), 73579#(<= ULTIMATE.start_main_~i~5 59), 73578#(<= ULTIMATE.start_main_~i~5 58), 73581#(<= ULTIMATE.start_main_~i~5 61), 73580#(<= ULTIMATE.start_main_~i~5 60), 73583#(<= ULTIMATE.start_main_~i~5 63), 73582#(<= ULTIMATE.start_main_~i~5 62), 73585#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 73584#(<= ULTIMATE.start_main_~i~5 64), 73587#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 73586#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 73589#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 73588#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 73591#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 73590#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 73593#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 73592#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 73595#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 73594#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 73597#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 73596#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 73599#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 73598#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 73601#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 73600#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 73603#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 73602#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 73605#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 73604#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 73607#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 73606#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 73609#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 73608#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 73611#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 73610#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 73613#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 73612#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 73615#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 73614#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 73617#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 73616#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 73619#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 73618#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 73621#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 73620#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 73623#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 73622#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 73625#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 73624#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 73627#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 73626#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 73629#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 73628#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 73631#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 73630#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 73633#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 73632#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 73635#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 73634#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 73637#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 73636#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 73639#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 73638#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 73641#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 73640#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 73643#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 73642#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 73645#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 73644#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 73647#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 73646#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 73649#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 73648#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8450 backedges. 4290 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:44,010 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:46:44,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:46:44,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4421, Invalid=12871, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:46:44,012 INFO L87 Difference]: Start difference. First operand 265 states and 266 transitions. Second operand 132 states. [2018-07-23 13:46:44,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:44,668 INFO L93 Difference]: Finished difference Result 401 states and 403 transitions. [2018-07-23 13:46:44,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:46:44,669 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 264 [2018-07-23 13:46:44,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:44,671 INFO L225 Difference]: With dead ends: 401 [2018-07-23 13:46:44,671 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:46:44,675 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6176 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=10725, Invalid=27495, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:46:44,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:46:44,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:46:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:46:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 268 transitions. [2018-07-23 13:46:44,714 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 268 transitions. Word has length 264 [2018-07-23 13:46:44,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:44,714 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 268 transitions. [2018-07-23 13:46:44,714 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:46:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 268 transitions. [2018-07-23 13:46:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:46:44,716 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:44,717 INFO L357 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 1, 1, 1, 1] [2018-07-23 13:46:44,717 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:44,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1967198015, now seen corresponding path program 98 times [2018-07-23 13:46:44,717 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 4290 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:45,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:45,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:46:45,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:45,468 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 13:46:45,468 INFO L185 omatonBuilderFactory]: Interpolants [75115#false, 75114#true, 75117#(<= ULTIMATE.start_main_~i~5 1), 75116#(<= ULTIMATE.start_main_~i~5 0), 75119#(<= ULTIMATE.start_main_~i~5 3), 75118#(<= ULTIMATE.start_main_~i~5 2), 75121#(<= ULTIMATE.start_main_~i~5 5), 75120#(<= ULTIMATE.start_main_~i~5 4), 75123#(<= ULTIMATE.start_main_~i~5 7), 75122#(<= ULTIMATE.start_main_~i~5 6), 75125#(<= ULTIMATE.start_main_~i~5 9), 75124#(<= ULTIMATE.start_main_~i~5 8), 75127#(<= ULTIMATE.start_main_~i~5 11), 75126#(<= ULTIMATE.start_main_~i~5 10), 75129#(<= ULTIMATE.start_main_~i~5 13), 75128#(<= ULTIMATE.start_main_~i~5 12), 75131#(<= ULTIMATE.start_main_~i~5 15), 75130#(<= ULTIMATE.start_main_~i~5 14), 75133#(<= ULTIMATE.start_main_~i~5 17), 75132#(<= ULTIMATE.start_main_~i~5 16), 75135#(<= ULTIMATE.start_main_~i~5 19), 75134#(<= ULTIMATE.start_main_~i~5 18), 75137#(<= ULTIMATE.start_main_~i~5 21), 75136#(<= ULTIMATE.start_main_~i~5 20), 75139#(<= ULTIMATE.start_main_~i~5 23), 75138#(<= ULTIMATE.start_main_~i~5 22), 75141#(<= ULTIMATE.start_main_~i~5 25), 75140#(<= ULTIMATE.start_main_~i~5 24), 75143#(<= ULTIMATE.start_main_~i~5 27), 75142#(<= ULTIMATE.start_main_~i~5 26), 75145#(<= ULTIMATE.start_main_~i~5 29), 75144#(<= ULTIMATE.start_main_~i~5 28), 75147#(<= ULTIMATE.start_main_~i~5 31), 75146#(<= ULTIMATE.start_main_~i~5 30), 75149#(<= ULTIMATE.start_main_~i~5 33), 75148#(<= ULTIMATE.start_main_~i~5 32), 75151#(<= ULTIMATE.start_main_~i~5 35), 75150#(<= ULTIMATE.start_main_~i~5 34), 75153#(<= ULTIMATE.start_main_~i~5 37), 75152#(<= ULTIMATE.start_main_~i~5 36), 75155#(<= ULTIMATE.start_main_~i~5 39), 75154#(<= ULTIMATE.start_main_~i~5 38), 75157#(<= ULTIMATE.start_main_~i~5 41), 75156#(<= ULTIMATE.start_main_~i~5 40), 75159#(<= ULTIMATE.start_main_~i~5 43), 75158#(<= ULTIMATE.start_main_~i~5 42), 75161#(<= ULTIMATE.start_main_~i~5 45), 75160#(<= ULTIMATE.start_main_~i~5 44), 75163#(<= ULTIMATE.start_main_~i~5 47), 75162#(<= ULTIMATE.start_main_~i~5 46), 75165#(<= ULTIMATE.start_main_~i~5 49), 75164#(<= ULTIMATE.start_main_~i~5 48), 75167#(<= ULTIMATE.start_main_~i~5 51), 75166#(<= ULTIMATE.start_main_~i~5 50), 75169#(<= ULTIMATE.start_main_~i~5 53), 75168#(<= ULTIMATE.start_main_~i~5 52), 75171#(<= ULTIMATE.start_main_~i~5 55), 75170#(<= ULTIMATE.start_main_~i~5 54), 75173#(<= ULTIMATE.start_main_~i~5 57), 75172#(<= ULTIMATE.start_main_~i~5 56), 75175#(<= ULTIMATE.start_main_~i~5 59), 75174#(<= ULTIMATE.start_main_~i~5 58), 75177#(<= ULTIMATE.start_main_~i~5 61), 75176#(<= ULTIMATE.start_main_~i~5 60), 75179#(<= ULTIMATE.start_main_~i~5 63), 75178#(<= ULTIMATE.start_main_~i~5 62), 75181#(<= ULTIMATE.start_main_~i~5 65), 75180#(<= ULTIMATE.start_main_~i~5 64), 75183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 75182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 75185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 75184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 75187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 75186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 75189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 75188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 75191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 75190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 75193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 75192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 75195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 75194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 75197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 75196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 75199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 75198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 75201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 75200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 75203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 75202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 75205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 75204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 75207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 75206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 75209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 75208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 75211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 75210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 75213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 75212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 75215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 75214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 75217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 75216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 75219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 75218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 75221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 75220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 75223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 75222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 75225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 75224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 75227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 75226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 75229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 75228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 75231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 75230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 75233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 75232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 75235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 75234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 75237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 75236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 75239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 75238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 75241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 75240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 75243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 75242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 75245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 75244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 75246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 4290 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:45,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:46:45,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:46:45,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4488, Invalid=13068, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:46:45,470 INFO L87 Difference]: Start difference. First operand 267 states and 268 transitions. Second operand 133 states. [2018-07-23 13:46:45,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:45,991 INFO L93 Difference]: Finished difference Result 403 states and 405 transitions. [2018-07-23 13:46:45,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:46:45,992 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 266 [2018-07-23 13:46:45,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:45,993 INFO L225 Difference]: With dead ends: 403 [2018-07-23 13:46:45,993 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:46:45,995 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6241 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10988, Invalid=28018, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:46:45,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:46:46,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:46:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:46:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 270 transitions. [2018-07-23 13:46:46,012 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 270 transitions. Word has length 266 [2018-07-23 13:46:46,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:46,012 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 270 transitions. [2018-07-23 13:46:46,012 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:46:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 270 transitions. [2018-07-23 13:46:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:46:46,014 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:46,014 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 66, 65, 1, 1, 1, 1] [2018-07-23 13:46:46,014 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:46,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1147793211, now seen corresponding path program 99 times [2018-07-23 13:46:46,014 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8712 backedges. 4422 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:46,483 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:46,484 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:46:46,484 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:46,484 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 13:46:46,485 INFO L185 omatonBuilderFactory]: Interpolants [76721#true, 76723#(<= 0 ULTIMATE.start_main_~k~5), 76722#false, 76725#(<= 2 ULTIMATE.start_main_~k~5), 76724#(<= 1 ULTIMATE.start_main_~k~5), 76727#(<= 4 ULTIMATE.start_main_~k~5), 76726#(<= 3 ULTIMATE.start_main_~k~5), 76729#(<= 6 ULTIMATE.start_main_~k~5), 76728#(<= 5 ULTIMATE.start_main_~k~5), 76731#(<= 8 ULTIMATE.start_main_~k~5), 76730#(<= 7 ULTIMATE.start_main_~k~5), 76733#(<= 10 ULTIMATE.start_main_~k~5), 76732#(<= 9 ULTIMATE.start_main_~k~5), 76735#(<= 12 ULTIMATE.start_main_~k~5), 76734#(<= 11 ULTIMATE.start_main_~k~5), 76737#(<= 14 ULTIMATE.start_main_~k~5), 76736#(<= 13 ULTIMATE.start_main_~k~5), 76739#(<= 16 ULTIMATE.start_main_~k~5), 76738#(<= 15 ULTIMATE.start_main_~k~5), 76741#(<= 18 ULTIMATE.start_main_~k~5), 76740#(<= 17 ULTIMATE.start_main_~k~5), 76743#(<= 20 ULTIMATE.start_main_~k~5), 76742#(<= 19 ULTIMATE.start_main_~k~5), 76745#(<= 22 ULTIMATE.start_main_~k~5), 76744#(<= 21 ULTIMATE.start_main_~k~5), 76747#(<= 24 ULTIMATE.start_main_~k~5), 76746#(<= 23 ULTIMATE.start_main_~k~5), 76749#(<= 26 ULTIMATE.start_main_~k~5), 76748#(<= 25 ULTIMATE.start_main_~k~5), 76751#(<= 28 ULTIMATE.start_main_~k~5), 76750#(<= 27 ULTIMATE.start_main_~k~5), 76753#(<= 30 ULTIMATE.start_main_~k~5), 76752#(<= 29 ULTIMATE.start_main_~k~5), 76755#(<= 32 ULTIMATE.start_main_~k~5), 76754#(<= 31 ULTIMATE.start_main_~k~5), 76757#(<= 34 ULTIMATE.start_main_~k~5), 76756#(<= 33 ULTIMATE.start_main_~k~5), 76759#(<= 36 ULTIMATE.start_main_~k~5), 76758#(<= 35 ULTIMATE.start_main_~k~5), 76761#(<= 38 ULTIMATE.start_main_~k~5), 76760#(<= 37 ULTIMATE.start_main_~k~5), 76763#(<= 40 ULTIMATE.start_main_~k~5), 76762#(<= 39 ULTIMATE.start_main_~k~5), 76765#(<= 42 ULTIMATE.start_main_~k~5), 76764#(<= 41 ULTIMATE.start_main_~k~5), 76767#(<= 44 ULTIMATE.start_main_~k~5), 76766#(<= 43 ULTIMATE.start_main_~k~5), 76769#(<= 46 ULTIMATE.start_main_~k~5), 76768#(<= 45 ULTIMATE.start_main_~k~5), 76771#(<= 48 ULTIMATE.start_main_~k~5), 76770#(<= 47 ULTIMATE.start_main_~k~5), 76773#(<= 50 ULTIMATE.start_main_~k~5), 76772#(<= 49 ULTIMATE.start_main_~k~5), 76775#(<= 52 ULTIMATE.start_main_~k~5), 76774#(<= 51 ULTIMATE.start_main_~k~5), 76777#(<= 54 ULTIMATE.start_main_~k~5), 76776#(<= 53 ULTIMATE.start_main_~k~5), 76779#(<= 56 ULTIMATE.start_main_~k~5), 76778#(<= 55 ULTIMATE.start_main_~k~5), 76781#(<= 58 ULTIMATE.start_main_~k~5), 76780#(<= 57 ULTIMATE.start_main_~k~5), 76783#(<= 60 ULTIMATE.start_main_~k~5), 76782#(<= 59 ULTIMATE.start_main_~k~5), 76785#(<= 62 ULTIMATE.start_main_~k~5), 76784#(<= 61 ULTIMATE.start_main_~k~5), 76787#(<= 64 ULTIMATE.start_main_~k~5), 76786#(<= 63 ULTIMATE.start_main_~k~5), 76789#(<= 66 ULTIMATE.start_main_~k~5), 76788#(<= 65 ULTIMATE.start_main_~k~5), 76791#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 76790#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 66 ULTIMATE.start_main_~k~5))] [2018-07-23 13:46:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8712 backedges. 4422 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:46,486 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:46:46,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:46:46,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2417, Invalid=2553, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:46:46,487 INFO L87 Difference]: Start difference. First operand 269 states and 270 transitions. Second operand 71 states. [2018-07-23 13:46:46,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:46,738 INFO L93 Difference]: Finished difference Result 275 states and 277 transitions. [2018-07-23 13:46:46,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:46:46,739 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 268 [2018-07-23 13:46:46,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:46,740 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:46:46,740 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:46:46,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4489 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7108, Invalid=11798, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:46:46,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:46:46,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:46:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:46:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 274 transitions. [2018-07-23 13:46:46,770 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 274 transitions. Word has length 268 [2018-07-23 13:46:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:46,771 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 274 transitions. [2018-07-23 13:46:46,771 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:46:46,771 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 274 transitions. [2018-07-23 13:46:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:46:46,772 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:46,772 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 67, 66, 1, 1, 1, 1] [2018-07-23 13:46:46,773 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:46,773 INFO L82 PathProgramCache]: Analyzing trace with hash 370818095, now seen corresponding path program 100 times [2018-07-23 13:46:46,773 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8978 backedges. 4556 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,595 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:47,595 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:46:47,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:47,596 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 13:46:47,596 INFO L185 omatonBuilderFactory]: Interpolants [78081#(<= ULTIMATE.start_main_~i~5 57), 78080#(<= ULTIMATE.start_main_~i~5 56), 78083#(<= ULTIMATE.start_main_~i~5 59), 78082#(<= ULTIMATE.start_main_~i~5 58), 78085#(<= ULTIMATE.start_main_~i~5 61), 78084#(<= ULTIMATE.start_main_~i~5 60), 78087#(<= ULTIMATE.start_main_~i~5 63), 78086#(<= ULTIMATE.start_main_~i~5 62), 78089#(<= ULTIMATE.start_main_~i~5 65), 78088#(<= ULTIMATE.start_main_~i~5 64), 78091#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 78090#(<= ULTIMATE.start_main_~i~5 66), 78093#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 78092#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 78095#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 78094#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 78097#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 78096#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 78099#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 78098#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 78101#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 78100#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 78103#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 78102#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 78105#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 78104#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 78107#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 78106#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 78109#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 78108#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 78111#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 78110#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 78113#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 78112#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 78115#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 78114#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 78117#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 78116#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 78119#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 78118#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 78121#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 78120#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 78123#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 78122#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 78125#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 78124#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 78127#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 78126#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 78129#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 78128#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 78131#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 78130#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 78133#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 78132#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 78135#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 78134#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 78137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 78136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 78139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 78138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 78141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 78140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 78143#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 78142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 78145#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 78144#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 78147#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 78146#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 78149#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 78148#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 78151#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 78150#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 78153#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 78152#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 78155#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 78154#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 78157#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 78156#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 78023#false, 78022#true, 78025#(<= ULTIMATE.start_main_~i~5 1), 78024#(<= ULTIMATE.start_main_~i~5 0), 78027#(<= ULTIMATE.start_main_~i~5 3), 78026#(<= ULTIMATE.start_main_~i~5 2), 78029#(<= ULTIMATE.start_main_~i~5 5), 78028#(<= ULTIMATE.start_main_~i~5 4), 78031#(<= ULTIMATE.start_main_~i~5 7), 78030#(<= ULTIMATE.start_main_~i~5 6), 78033#(<= ULTIMATE.start_main_~i~5 9), 78032#(<= ULTIMATE.start_main_~i~5 8), 78035#(<= ULTIMATE.start_main_~i~5 11), 78034#(<= ULTIMATE.start_main_~i~5 10), 78037#(<= ULTIMATE.start_main_~i~5 13), 78036#(<= ULTIMATE.start_main_~i~5 12), 78039#(<= ULTIMATE.start_main_~i~5 15), 78038#(<= ULTIMATE.start_main_~i~5 14), 78041#(<= ULTIMATE.start_main_~i~5 17), 78040#(<= ULTIMATE.start_main_~i~5 16), 78043#(<= ULTIMATE.start_main_~i~5 19), 78042#(<= ULTIMATE.start_main_~i~5 18), 78045#(<= ULTIMATE.start_main_~i~5 21), 78044#(<= ULTIMATE.start_main_~i~5 20), 78047#(<= ULTIMATE.start_main_~i~5 23), 78046#(<= ULTIMATE.start_main_~i~5 22), 78049#(<= ULTIMATE.start_main_~i~5 25), 78048#(<= ULTIMATE.start_main_~i~5 24), 78051#(<= ULTIMATE.start_main_~i~5 27), 78050#(<= ULTIMATE.start_main_~i~5 26), 78053#(<= ULTIMATE.start_main_~i~5 29), 78052#(<= ULTIMATE.start_main_~i~5 28), 78055#(<= ULTIMATE.start_main_~i~5 31), 78054#(<= ULTIMATE.start_main_~i~5 30), 78057#(<= ULTIMATE.start_main_~i~5 33), 78056#(<= ULTIMATE.start_main_~i~5 32), 78059#(<= ULTIMATE.start_main_~i~5 35), 78058#(<= ULTIMATE.start_main_~i~5 34), 78061#(<= ULTIMATE.start_main_~i~5 37), 78060#(<= ULTIMATE.start_main_~i~5 36), 78063#(<= ULTIMATE.start_main_~i~5 39), 78062#(<= ULTIMATE.start_main_~i~5 38), 78065#(<= ULTIMATE.start_main_~i~5 41), 78064#(<= ULTIMATE.start_main_~i~5 40), 78067#(<= ULTIMATE.start_main_~i~5 43), 78066#(<= ULTIMATE.start_main_~i~5 42), 78069#(<= ULTIMATE.start_main_~i~5 45), 78068#(<= ULTIMATE.start_main_~i~5 44), 78071#(<= ULTIMATE.start_main_~i~5 47), 78070#(<= ULTIMATE.start_main_~i~5 46), 78073#(<= ULTIMATE.start_main_~i~5 49), 78072#(<= ULTIMATE.start_main_~i~5 48), 78075#(<= ULTIMATE.start_main_~i~5 51), 78074#(<= ULTIMATE.start_main_~i~5 50), 78077#(<= ULTIMATE.start_main_~i~5 53), 78076#(<= ULTIMATE.start_main_~i~5 52), 78079#(<= ULTIMATE.start_main_~i~5 55), 78078#(<= ULTIMATE.start_main_~i~5 54)] [2018-07-23 13:46:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8978 backedges. 4556 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,597 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:46:47,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:46:47,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4691, Invalid=13669, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:46:47,599 INFO L87 Difference]: Start difference. First operand 273 states and 274 transitions. Second operand 136 states. [2018-07-23 13:46:48,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:48,164 INFO L93 Difference]: Finished difference Result 413 states and 415 transitions. [2018-07-23 13:46:48,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:46:48,164 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 272 [2018-07-23 13:46:48,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:48,165 INFO L225 Difference]: With dead ends: 413 [2018-07-23 13:46:48,165 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:46:48,169 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6567 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11390, Invalid=29212, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:46:48,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:46:48,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:46:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:46:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 276 transitions. [2018-07-23 13:46:48,191 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 276 transitions. Word has length 272 [2018-07-23 13:46:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:48,191 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 276 transitions. [2018-07-23 13:46:48,191 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:46:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 276 transitions. [2018-07-23 13:46:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:46:48,192 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:48,192 INFO L357 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 1, 1, 1, 1] [2018-07-23 13:46:48,193 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:48,193 INFO L82 PathProgramCache]: Analyzing trace with hash -2021511381, now seen corresponding path program 101 times [2018-07-23 13:46:48,193 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 4556 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:48,824 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:48,824 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:46:48,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:48,824 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 13:46:48,825 INFO L185 omatonBuilderFactory]: Interpolants [79667#false, 79666#true, 79669#(<= ULTIMATE.start_main_~i~5 1), 79668#(<= ULTIMATE.start_main_~i~5 0), 79671#(<= ULTIMATE.start_main_~i~5 3), 79670#(<= ULTIMATE.start_main_~i~5 2), 79673#(<= ULTIMATE.start_main_~i~5 5), 79672#(<= ULTIMATE.start_main_~i~5 4), 79675#(<= ULTIMATE.start_main_~i~5 7), 79674#(<= ULTIMATE.start_main_~i~5 6), 79677#(<= ULTIMATE.start_main_~i~5 9), 79676#(<= ULTIMATE.start_main_~i~5 8), 79679#(<= ULTIMATE.start_main_~i~5 11), 79678#(<= ULTIMATE.start_main_~i~5 10), 79681#(<= ULTIMATE.start_main_~i~5 13), 79680#(<= ULTIMATE.start_main_~i~5 12), 79683#(<= ULTIMATE.start_main_~i~5 15), 79682#(<= ULTIMATE.start_main_~i~5 14), 79685#(<= ULTIMATE.start_main_~i~5 17), 79684#(<= ULTIMATE.start_main_~i~5 16), 79687#(<= ULTIMATE.start_main_~i~5 19), 79686#(<= ULTIMATE.start_main_~i~5 18), 79689#(<= ULTIMATE.start_main_~i~5 21), 79688#(<= ULTIMATE.start_main_~i~5 20), 79691#(<= ULTIMATE.start_main_~i~5 23), 79690#(<= ULTIMATE.start_main_~i~5 22), 79693#(<= ULTIMATE.start_main_~i~5 25), 79692#(<= ULTIMATE.start_main_~i~5 24), 79695#(<= ULTIMATE.start_main_~i~5 27), 79694#(<= ULTIMATE.start_main_~i~5 26), 79697#(<= ULTIMATE.start_main_~i~5 29), 79696#(<= ULTIMATE.start_main_~i~5 28), 79699#(<= ULTIMATE.start_main_~i~5 31), 79698#(<= ULTIMATE.start_main_~i~5 30), 79701#(<= ULTIMATE.start_main_~i~5 33), 79700#(<= ULTIMATE.start_main_~i~5 32), 79703#(<= ULTIMATE.start_main_~i~5 35), 79702#(<= ULTIMATE.start_main_~i~5 34), 79705#(<= ULTIMATE.start_main_~i~5 37), 79704#(<= ULTIMATE.start_main_~i~5 36), 79707#(<= ULTIMATE.start_main_~i~5 39), 79706#(<= ULTIMATE.start_main_~i~5 38), 79709#(<= ULTIMATE.start_main_~i~5 41), 79708#(<= ULTIMATE.start_main_~i~5 40), 79711#(<= ULTIMATE.start_main_~i~5 43), 79710#(<= ULTIMATE.start_main_~i~5 42), 79713#(<= ULTIMATE.start_main_~i~5 45), 79712#(<= ULTIMATE.start_main_~i~5 44), 79715#(<= ULTIMATE.start_main_~i~5 47), 79714#(<= ULTIMATE.start_main_~i~5 46), 79717#(<= ULTIMATE.start_main_~i~5 49), 79716#(<= ULTIMATE.start_main_~i~5 48), 79719#(<= ULTIMATE.start_main_~i~5 51), 79718#(<= ULTIMATE.start_main_~i~5 50), 79721#(<= ULTIMATE.start_main_~i~5 53), 79720#(<= ULTIMATE.start_main_~i~5 52), 79723#(<= ULTIMATE.start_main_~i~5 55), 79722#(<= ULTIMATE.start_main_~i~5 54), 79725#(<= ULTIMATE.start_main_~i~5 57), 79724#(<= ULTIMATE.start_main_~i~5 56), 79727#(<= ULTIMATE.start_main_~i~5 59), 79726#(<= ULTIMATE.start_main_~i~5 58), 79729#(<= ULTIMATE.start_main_~i~5 61), 79728#(<= ULTIMATE.start_main_~i~5 60), 79731#(<= ULTIMATE.start_main_~i~5 63), 79730#(<= ULTIMATE.start_main_~i~5 62), 79733#(<= ULTIMATE.start_main_~i~5 65), 79732#(<= ULTIMATE.start_main_~i~5 64), 79735#(<= ULTIMATE.start_main_~i~5 67), 79734#(<= ULTIMATE.start_main_~i~5 66), 79737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 79736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 79739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 79738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 79741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 79740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 79743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 79742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 79745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 79744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 79747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 79746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 79749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 79748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 79751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 79750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 79753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 79752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 79755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 79754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 79757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 79756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 79759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 79758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 79761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 79760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 79763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 79762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 79765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 79764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 79767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 79766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 79769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 79768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 79771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 79770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 79773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 79772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 79775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 79774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 79777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 79776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 79779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 79778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 79781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 79780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 79783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 79782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 79785#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 79784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 79787#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 79786#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 79789#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 79788#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 79791#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 79790#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 79793#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 79792#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 79795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 79794#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 79797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 79796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 79799#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 79798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 79801#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 79800#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 79802#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 4556 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:48,825 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:46:48,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:46:48,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4760, Invalid=13872, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:46:48,827 INFO L87 Difference]: Start difference. First operand 275 states and 276 transitions. Second operand 137 states. [2018-07-23 13:46:49,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:49,423 INFO L93 Difference]: Finished difference Result 415 states and 417 transitions. [2018-07-23 13:46:49,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:46:49,424 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 274 [2018-07-23 13:46:49,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:49,425 INFO L225 Difference]: With dead ends: 415 [2018-07-23 13:46:49,425 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:46:49,426 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6634 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=11661, Invalid=29751, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:46:49,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:46:49,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:46:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:46:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 278 transitions. [2018-07-23 13:46:49,454 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 278 transitions. Word has length 274 [2018-07-23 13:46:49,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:49,455 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 278 transitions. [2018-07-23 13:46:49,455 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:46:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 278 transitions. [2018-07-23 13:46:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:46:49,456 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:49,457 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 68, 67, 1, 1, 1, 1] [2018-07-23 13:46:49,457 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:49,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1052332839, now seen corresponding path program 102 times [2018-07-23 13:46:49,457 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 9248 backedges. 4692 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,869 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:49,870 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:46:49,870 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:49,870 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 13:46:49,870 INFO L185 omatonBuilderFactory]: Interpolants [81321#true, 81323#(<= 0 ULTIMATE.start_main_~k~5), 81322#false, 81325#(<= 2 ULTIMATE.start_main_~k~5), 81324#(<= 1 ULTIMATE.start_main_~k~5), 81327#(<= 4 ULTIMATE.start_main_~k~5), 81326#(<= 3 ULTIMATE.start_main_~k~5), 81329#(<= 6 ULTIMATE.start_main_~k~5), 81328#(<= 5 ULTIMATE.start_main_~k~5), 81331#(<= 8 ULTIMATE.start_main_~k~5), 81330#(<= 7 ULTIMATE.start_main_~k~5), 81333#(<= 10 ULTIMATE.start_main_~k~5), 81332#(<= 9 ULTIMATE.start_main_~k~5), 81335#(<= 12 ULTIMATE.start_main_~k~5), 81334#(<= 11 ULTIMATE.start_main_~k~5), 81337#(<= 14 ULTIMATE.start_main_~k~5), 81336#(<= 13 ULTIMATE.start_main_~k~5), 81339#(<= 16 ULTIMATE.start_main_~k~5), 81338#(<= 15 ULTIMATE.start_main_~k~5), 81341#(<= 18 ULTIMATE.start_main_~k~5), 81340#(<= 17 ULTIMATE.start_main_~k~5), 81343#(<= 20 ULTIMATE.start_main_~k~5), 81342#(<= 19 ULTIMATE.start_main_~k~5), 81345#(<= 22 ULTIMATE.start_main_~k~5), 81344#(<= 21 ULTIMATE.start_main_~k~5), 81347#(<= 24 ULTIMATE.start_main_~k~5), 81346#(<= 23 ULTIMATE.start_main_~k~5), 81349#(<= 26 ULTIMATE.start_main_~k~5), 81348#(<= 25 ULTIMATE.start_main_~k~5), 81351#(<= 28 ULTIMATE.start_main_~k~5), 81350#(<= 27 ULTIMATE.start_main_~k~5), 81353#(<= 30 ULTIMATE.start_main_~k~5), 81352#(<= 29 ULTIMATE.start_main_~k~5), 81355#(<= 32 ULTIMATE.start_main_~k~5), 81354#(<= 31 ULTIMATE.start_main_~k~5), 81357#(<= 34 ULTIMATE.start_main_~k~5), 81356#(<= 33 ULTIMATE.start_main_~k~5), 81359#(<= 36 ULTIMATE.start_main_~k~5), 81358#(<= 35 ULTIMATE.start_main_~k~5), 81361#(<= 38 ULTIMATE.start_main_~k~5), 81360#(<= 37 ULTIMATE.start_main_~k~5), 81363#(<= 40 ULTIMATE.start_main_~k~5), 81362#(<= 39 ULTIMATE.start_main_~k~5), 81365#(<= 42 ULTIMATE.start_main_~k~5), 81364#(<= 41 ULTIMATE.start_main_~k~5), 81367#(<= 44 ULTIMATE.start_main_~k~5), 81366#(<= 43 ULTIMATE.start_main_~k~5), 81369#(<= 46 ULTIMATE.start_main_~k~5), 81368#(<= 45 ULTIMATE.start_main_~k~5), 81371#(<= 48 ULTIMATE.start_main_~k~5), 81370#(<= 47 ULTIMATE.start_main_~k~5), 81373#(<= 50 ULTIMATE.start_main_~k~5), 81372#(<= 49 ULTIMATE.start_main_~k~5), 81375#(<= 52 ULTIMATE.start_main_~k~5), 81374#(<= 51 ULTIMATE.start_main_~k~5), 81377#(<= 54 ULTIMATE.start_main_~k~5), 81376#(<= 53 ULTIMATE.start_main_~k~5), 81379#(<= 56 ULTIMATE.start_main_~k~5), 81378#(<= 55 ULTIMATE.start_main_~k~5), 81381#(<= 58 ULTIMATE.start_main_~k~5), 81380#(<= 57 ULTIMATE.start_main_~k~5), 81383#(<= 60 ULTIMATE.start_main_~k~5), 81382#(<= 59 ULTIMATE.start_main_~k~5), 81385#(<= 62 ULTIMATE.start_main_~k~5), 81384#(<= 61 ULTIMATE.start_main_~k~5), 81387#(<= 64 ULTIMATE.start_main_~k~5), 81386#(<= 63 ULTIMATE.start_main_~k~5), 81389#(<= 66 ULTIMATE.start_main_~k~5), 81388#(<= 65 ULTIMATE.start_main_~k~5), 81391#(<= 68 ULTIMATE.start_main_~k~5), 81390#(<= 67 ULTIMATE.start_main_~k~5), 81393#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 81392#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 68 ULTIMATE.start_main_~k~5))] [2018-07-23 13:46:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 9248 backedges. 4692 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,871 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:46:49,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:46:49,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2558, Invalid=2698, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:46:49,873 INFO L87 Difference]: Start difference. First operand 277 states and 278 transitions. Second operand 73 states. [2018-07-23 13:46:50,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:50,110 INFO L93 Difference]: Finished difference Result 283 states and 285 transitions. [2018-07-23 13:46:50,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:46:50,110 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 276 [2018-07-23 13:46:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:50,111 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:46:50,111 INFO L226 Difference]: Without dead ends: 281 [2018-07-23 13:46:50,112 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4761 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7527, Invalid=12495, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:46:50,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-07-23 13:46:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-07-23 13:46:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-07-23 13:46:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 282 transitions. [2018-07-23 13:46:50,132 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 282 transitions. Word has length 276 [2018-07-23 13:46:50,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:50,132 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 282 transitions. [2018-07-23 13:46:50,132 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:46:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 282 transitions. [2018-07-23 13:46:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-07-23 13:46:50,134 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:50,134 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 69, 68, 1, 1, 1, 1] [2018-07-23 13:46:50,134 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:50,134 INFO L82 PathProgramCache]: Analyzing trace with hash -788674021, now seen corresponding path program 103 times [2018-07-23 13:46:50,134 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9522 backedges. 4830 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:50,818 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:50,818 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:46:50,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:50,818 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 13:46:50,819 INFO L185 omatonBuilderFactory]: Interpolants [82689#(<= ULTIMATE.start_main_~i~5 27), 82688#(<= ULTIMATE.start_main_~i~5 26), 82691#(<= ULTIMATE.start_main_~i~5 29), 82690#(<= ULTIMATE.start_main_~i~5 28), 82693#(<= ULTIMATE.start_main_~i~5 31), 82692#(<= ULTIMATE.start_main_~i~5 30), 82695#(<= ULTIMATE.start_main_~i~5 33), 82694#(<= ULTIMATE.start_main_~i~5 32), 82697#(<= ULTIMATE.start_main_~i~5 35), 82696#(<= ULTIMATE.start_main_~i~5 34), 82699#(<= ULTIMATE.start_main_~i~5 37), 82698#(<= ULTIMATE.start_main_~i~5 36), 82701#(<= ULTIMATE.start_main_~i~5 39), 82700#(<= ULTIMATE.start_main_~i~5 38), 82703#(<= ULTIMATE.start_main_~i~5 41), 82702#(<= ULTIMATE.start_main_~i~5 40), 82705#(<= ULTIMATE.start_main_~i~5 43), 82704#(<= ULTIMATE.start_main_~i~5 42), 82707#(<= ULTIMATE.start_main_~i~5 45), 82706#(<= ULTIMATE.start_main_~i~5 44), 82709#(<= ULTIMATE.start_main_~i~5 47), 82708#(<= ULTIMATE.start_main_~i~5 46), 82711#(<= ULTIMATE.start_main_~i~5 49), 82710#(<= ULTIMATE.start_main_~i~5 48), 82713#(<= ULTIMATE.start_main_~i~5 51), 82712#(<= ULTIMATE.start_main_~i~5 50), 82715#(<= ULTIMATE.start_main_~i~5 53), 82714#(<= ULTIMATE.start_main_~i~5 52), 82717#(<= ULTIMATE.start_main_~i~5 55), 82716#(<= ULTIMATE.start_main_~i~5 54), 82719#(<= ULTIMATE.start_main_~i~5 57), 82718#(<= ULTIMATE.start_main_~i~5 56), 82721#(<= ULTIMATE.start_main_~i~5 59), 82720#(<= ULTIMATE.start_main_~i~5 58), 82723#(<= ULTIMATE.start_main_~i~5 61), 82722#(<= ULTIMATE.start_main_~i~5 60), 82725#(<= ULTIMATE.start_main_~i~5 63), 82724#(<= ULTIMATE.start_main_~i~5 62), 82727#(<= ULTIMATE.start_main_~i~5 65), 82726#(<= ULTIMATE.start_main_~i~5 64), 82729#(<= ULTIMATE.start_main_~i~5 67), 82728#(<= ULTIMATE.start_main_~i~5 66), 82731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 82730#(<= ULTIMATE.start_main_~i~5 68), 82733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 82732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 82735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 82734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 82737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 82736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 82739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 82738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 82741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 82740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 82743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 82742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 82745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 82744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 82747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 82746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 82749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 82748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 82751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 82750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 82753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 82752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 82755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 82754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 82757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 82756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 82759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 82758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 82761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 82760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 82763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 82762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 82765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 82764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 82767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 82766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 82769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 82768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 82771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 82770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 82773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 82772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 82775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 82774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 82777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 82776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 82779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 82778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 82781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 82780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 82783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 82782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 82785#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 82784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 82787#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 82786#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 82789#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 82788#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 82791#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 82790#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 82793#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 82792#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 82795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 82794#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 82797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 82796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 82799#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 82798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 82661#false, 82660#true, 82663#(<= ULTIMATE.start_main_~i~5 1), 82662#(<= ULTIMATE.start_main_~i~5 0), 82665#(<= ULTIMATE.start_main_~i~5 3), 82664#(<= ULTIMATE.start_main_~i~5 2), 82667#(<= ULTIMATE.start_main_~i~5 5), 82666#(<= ULTIMATE.start_main_~i~5 4), 82669#(<= ULTIMATE.start_main_~i~5 7), 82668#(<= ULTIMATE.start_main_~i~5 6), 82671#(<= ULTIMATE.start_main_~i~5 9), 82670#(<= ULTIMATE.start_main_~i~5 8), 82673#(<= ULTIMATE.start_main_~i~5 11), 82672#(<= ULTIMATE.start_main_~i~5 10), 82675#(<= ULTIMATE.start_main_~i~5 13), 82674#(<= ULTIMATE.start_main_~i~5 12), 82677#(<= ULTIMATE.start_main_~i~5 15), 82676#(<= ULTIMATE.start_main_~i~5 14), 82679#(<= ULTIMATE.start_main_~i~5 17), 82678#(<= ULTIMATE.start_main_~i~5 16), 82681#(<= ULTIMATE.start_main_~i~5 19), 82680#(<= ULTIMATE.start_main_~i~5 18), 82683#(<= ULTIMATE.start_main_~i~5 21), 82682#(<= ULTIMATE.start_main_~i~5 20), 82685#(<= ULTIMATE.start_main_~i~5 23), 82684#(<= ULTIMATE.start_main_~i~5 22), 82687#(<= ULTIMATE.start_main_~i~5 25), 82686#(<= ULTIMATE.start_main_~i~5 24)] [2018-07-23 13:46:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9522 backedges. 4830 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:50,819 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:46:50,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:46:50,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4969, Invalid=14491, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:46:50,821 INFO L87 Difference]: Start difference. First operand 281 states and 282 transitions. Second operand 140 states. [2018-07-23 13:46:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:51,402 INFO L93 Difference]: Finished difference Result 425 states and 427 transitions. [2018-07-23 13:46:51,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:46:51,402 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 280 [2018-07-23 13:46:51,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:51,403 INFO L225 Difference]: With dead ends: 425 [2018-07-23 13:46:51,403 INFO L226 Difference]: Without dead ends: 283 [2018-07-23 13:46:51,407 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6970 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12075, Invalid=30981, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:46:51,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-07-23 13:46:51,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-07-23 13:46:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-07-23 13:46:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 284 transitions. [2018-07-23 13:46:51,437 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 284 transitions. Word has length 280 [2018-07-23 13:46:51,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:51,437 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 284 transitions. [2018-07-23 13:46:51,437 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:46:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 284 transitions. [2018-07-23 13:46:51,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-07-23 13:46:51,439 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:51,439 INFO L357 BasicCegarLoop]: trace histogram [70, 70, 69, 69, 1, 1, 1, 1] [2018-07-23 13:46:51,439 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:51,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1884225257, now seen corresponding path program 104 times [2018-07-23 13:46:51,439 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9660 backedges. 4830 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:52,104 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:52,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:46:52,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:52,105 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 13:46:52,105 INFO L185 omatonBuilderFactory]: Interpolants [84481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 84480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 84483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 84482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 84485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 84484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 84487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 84486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 84489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 84488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 84491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 84490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 84492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 84353#false, 84352#true, 84355#(<= ULTIMATE.start_main_~i~5 1), 84354#(<= ULTIMATE.start_main_~i~5 0), 84357#(<= ULTIMATE.start_main_~i~5 3), 84356#(<= ULTIMATE.start_main_~i~5 2), 84359#(<= ULTIMATE.start_main_~i~5 5), 84358#(<= ULTIMATE.start_main_~i~5 4), 84361#(<= ULTIMATE.start_main_~i~5 7), 84360#(<= ULTIMATE.start_main_~i~5 6), 84363#(<= ULTIMATE.start_main_~i~5 9), 84362#(<= ULTIMATE.start_main_~i~5 8), 84365#(<= ULTIMATE.start_main_~i~5 11), 84364#(<= ULTIMATE.start_main_~i~5 10), 84367#(<= ULTIMATE.start_main_~i~5 13), 84366#(<= ULTIMATE.start_main_~i~5 12), 84369#(<= ULTIMATE.start_main_~i~5 15), 84368#(<= ULTIMATE.start_main_~i~5 14), 84371#(<= ULTIMATE.start_main_~i~5 17), 84370#(<= ULTIMATE.start_main_~i~5 16), 84373#(<= ULTIMATE.start_main_~i~5 19), 84372#(<= ULTIMATE.start_main_~i~5 18), 84375#(<= ULTIMATE.start_main_~i~5 21), 84374#(<= ULTIMATE.start_main_~i~5 20), 84377#(<= ULTIMATE.start_main_~i~5 23), 84376#(<= ULTIMATE.start_main_~i~5 22), 84379#(<= ULTIMATE.start_main_~i~5 25), 84378#(<= ULTIMATE.start_main_~i~5 24), 84381#(<= ULTIMATE.start_main_~i~5 27), 84380#(<= ULTIMATE.start_main_~i~5 26), 84383#(<= ULTIMATE.start_main_~i~5 29), 84382#(<= ULTIMATE.start_main_~i~5 28), 84385#(<= ULTIMATE.start_main_~i~5 31), 84384#(<= ULTIMATE.start_main_~i~5 30), 84387#(<= ULTIMATE.start_main_~i~5 33), 84386#(<= ULTIMATE.start_main_~i~5 32), 84389#(<= ULTIMATE.start_main_~i~5 35), 84388#(<= ULTIMATE.start_main_~i~5 34), 84391#(<= ULTIMATE.start_main_~i~5 37), 84390#(<= ULTIMATE.start_main_~i~5 36), 84393#(<= ULTIMATE.start_main_~i~5 39), 84392#(<= ULTIMATE.start_main_~i~5 38), 84395#(<= ULTIMATE.start_main_~i~5 41), 84394#(<= ULTIMATE.start_main_~i~5 40), 84397#(<= ULTIMATE.start_main_~i~5 43), 84396#(<= ULTIMATE.start_main_~i~5 42), 84399#(<= ULTIMATE.start_main_~i~5 45), 84398#(<= ULTIMATE.start_main_~i~5 44), 84401#(<= ULTIMATE.start_main_~i~5 47), 84400#(<= ULTIMATE.start_main_~i~5 46), 84403#(<= ULTIMATE.start_main_~i~5 49), 84402#(<= ULTIMATE.start_main_~i~5 48), 84405#(<= ULTIMATE.start_main_~i~5 51), 84404#(<= ULTIMATE.start_main_~i~5 50), 84407#(<= ULTIMATE.start_main_~i~5 53), 84406#(<= ULTIMATE.start_main_~i~5 52), 84409#(<= ULTIMATE.start_main_~i~5 55), 84408#(<= ULTIMATE.start_main_~i~5 54), 84411#(<= ULTIMATE.start_main_~i~5 57), 84410#(<= ULTIMATE.start_main_~i~5 56), 84413#(<= ULTIMATE.start_main_~i~5 59), 84412#(<= ULTIMATE.start_main_~i~5 58), 84415#(<= ULTIMATE.start_main_~i~5 61), 84414#(<= ULTIMATE.start_main_~i~5 60), 84417#(<= ULTIMATE.start_main_~i~5 63), 84416#(<= ULTIMATE.start_main_~i~5 62), 84419#(<= ULTIMATE.start_main_~i~5 65), 84418#(<= ULTIMATE.start_main_~i~5 64), 84421#(<= ULTIMATE.start_main_~i~5 67), 84420#(<= ULTIMATE.start_main_~i~5 66), 84423#(<= ULTIMATE.start_main_~i~5 69), 84422#(<= ULTIMATE.start_main_~i~5 68), 84425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 84424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 84427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 84426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 84429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 84428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 84431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 84430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 84433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 84432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 84435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 84434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 84437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 84436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 84439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 84438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 84441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 84440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 84443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 84442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 84445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 84444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 84447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 84446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 84449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 84448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 84451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 84450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 84453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 84452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 84455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 84454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 84457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 84456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 84459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 84458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 84461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 84460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 84463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 84462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 84465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 84464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 84467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 84466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 84469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 84468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 84471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 84470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 84473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 84472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 84475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 84474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 84477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 84476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 84479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 84478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15))] [2018-07-23 13:46:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 9660 backedges. 4830 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:52,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:46:52,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:46:52,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5040, Invalid=14700, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:46:52,108 INFO L87 Difference]: Start difference. First operand 283 states and 284 transitions. Second operand 141 states. [2018-07-23 13:46:52,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:52,833 INFO L93 Difference]: Finished difference Result 427 states and 429 transitions. [2018-07-23 13:46:52,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:46:52,834 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 282 [2018-07-23 13:46:52,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:52,834 INFO L225 Difference]: With dead ends: 427 [2018-07-23 13:46:52,834 INFO L226 Difference]: Without dead ends: 285 [2018-07-23 13:46:52,838 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7039 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12354, Invalid=31536, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:46:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-07-23 13:46:52,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-07-23 13:46:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-07-23 13:46:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 286 transitions. [2018-07-23 13:46:52,868 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 286 transitions. Word has length 282 [2018-07-23 13:46:52,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:52,868 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 286 transitions. [2018-07-23 13:46:52,868 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:46:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 286 transitions. [2018-07-23 13:46:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-07-23 13:46:52,870 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:52,870 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 70, 69, 1, 1, 1, 1] [2018-07-23 13:46:52,870 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1852991763, now seen corresponding path program 105 times [2018-07-23 13:46:52,871 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 9800 backedges. 4970 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:53,422 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:53,422 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:46:53,423 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:53,423 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 13:46:53,423 INFO L185 omatonBuilderFactory]: Interpolants [86055#true, 86057#(<= 0 ULTIMATE.start_main_~k~5), 86056#false, 86059#(<= 2 ULTIMATE.start_main_~k~5), 86058#(<= 1 ULTIMATE.start_main_~k~5), 86061#(<= 4 ULTIMATE.start_main_~k~5), 86060#(<= 3 ULTIMATE.start_main_~k~5), 86063#(<= 6 ULTIMATE.start_main_~k~5), 86062#(<= 5 ULTIMATE.start_main_~k~5), 86065#(<= 8 ULTIMATE.start_main_~k~5), 86064#(<= 7 ULTIMATE.start_main_~k~5), 86067#(<= 10 ULTIMATE.start_main_~k~5), 86066#(<= 9 ULTIMATE.start_main_~k~5), 86069#(<= 12 ULTIMATE.start_main_~k~5), 86068#(<= 11 ULTIMATE.start_main_~k~5), 86071#(<= 14 ULTIMATE.start_main_~k~5), 86070#(<= 13 ULTIMATE.start_main_~k~5), 86073#(<= 16 ULTIMATE.start_main_~k~5), 86072#(<= 15 ULTIMATE.start_main_~k~5), 86075#(<= 18 ULTIMATE.start_main_~k~5), 86074#(<= 17 ULTIMATE.start_main_~k~5), 86077#(<= 20 ULTIMATE.start_main_~k~5), 86076#(<= 19 ULTIMATE.start_main_~k~5), 86079#(<= 22 ULTIMATE.start_main_~k~5), 86078#(<= 21 ULTIMATE.start_main_~k~5), 86081#(<= 24 ULTIMATE.start_main_~k~5), 86080#(<= 23 ULTIMATE.start_main_~k~5), 86083#(<= 26 ULTIMATE.start_main_~k~5), 86082#(<= 25 ULTIMATE.start_main_~k~5), 86085#(<= 28 ULTIMATE.start_main_~k~5), 86084#(<= 27 ULTIMATE.start_main_~k~5), 86087#(<= 30 ULTIMATE.start_main_~k~5), 86086#(<= 29 ULTIMATE.start_main_~k~5), 86089#(<= 32 ULTIMATE.start_main_~k~5), 86088#(<= 31 ULTIMATE.start_main_~k~5), 86091#(<= 34 ULTIMATE.start_main_~k~5), 86090#(<= 33 ULTIMATE.start_main_~k~5), 86093#(<= 36 ULTIMATE.start_main_~k~5), 86092#(<= 35 ULTIMATE.start_main_~k~5), 86095#(<= 38 ULTIMATE.start_main_~k~5), 86094#(<= 37 ULTIMATE.start_main_~k~5), 86097#(<= 40 ULTIMATE.start_main_~k~5), 86096#(<= 39 ULTIMATE.start_main_~k~5), 86099#(<= 42 ULTIMATE.start_main_~k~5), 86098#(<= 41 ULTIMATE.start_main_~k~5), 86101#(<= 44 ULTIMATE.start_main_~k~5), 86100#(<= 43 ULTIMATE.start_main_~k~5), 86103#(<= 46 ULTIMATE.start_main_~k~5), 86102#(<= 45 ULTIMATE.start_main_~k~5), 86105#(<= 48 ULTIMATE.start_main_~k~5), 86104#(<= 47 ULTIMATE.start_main_~k~5), 86107#(<= 50 ULTIMATE.start_main_~k~5), 86106#(<= 49 ULTIMATE.start_main_~k~5), 86109#(<= 52 ULTIMATE.start_main_~k~5), 86108#(<= 51 ULTIMATE.start_main_~k~5), 86111#(<= 54 ULTIMATE.start_main_~k~5), 86110#(<= 53 ULTIMATE.start_main_~k~5), 86113#(<= 56 ULTIMATE.start_main_~k~5), 86112#(<= 55 ULTIMATE.start_main_~k~5), 86115#(<= 58 ULTIMATE.start_main_~k~5), 86114#(<= 57 ULTIMATE.start_main_~k~5), 86117#(<= 60 ULTIMATE.start_main_~k~5), 86116#(<= 59 ULTIMATE.start_main_~k~5), 86119#(<= 62 ULTIMATE.start_main_~k~5), 86118#(<= 61 ULTIMATE.start_main_~k~5), 86121#(<= 64 ULTIMATE.start_main_~k~5), 86120#(<= 63 ULTIMATE.start_main_~k~5), 86123#(<= 66 ULTIMATE.start_main_~k~5), 86122#(<= 65 ULTIMATE.start_main_~k~5), 86125#(<= 68 ULTIMATE.start_main_~k~5), 86124#(<= 67 ULTIMATE.start_main_~k~5), 86127#(<= 70 ULTIMATE.start_main_~k~5), 86126#(<= 69 ULTIMATE.start_main_~k~5), 86129#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 86128#(and (<= 70 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)))] [2018-07-23 13:46:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9800 backedges. 4970 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:53,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:46:53,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:46:53,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2703, Invalid=2847, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:46:53,425 INFO L87 Difference]: Start difference. First operand 285 states and 286 transitions. Second operand 75 states. [2018-07-23 13:46:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:53,794 INFO L93 Difference]: Finished difference Result 291 states and 293 transitions. [2018-07-23 13:46:53,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:46:53,794 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 284 [2018-07-23 13:46:53,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:53,795 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:46:53,795 INFO L226 Difference]: Without dead ends: 289 [2018-07-23 13:46:53,796 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5041 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7958, Invalid=13212, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:46:53,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-07-23 13:46:53,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2018-07-23 13:46:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-07-23 13:46:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 290 transitions. [2018-07-23 13:46:53,818 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 290 transitions. Word has length 284 [2018-07-23 13:46:53,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:53,818 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 290 transitions. [2018-07-23 13:46:53,819 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:46:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 290 transitions. [2018-07-23 13:46:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-07-23 13:46:53,820 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:53,820 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 71, 70, 1, 1, 1, 1] [2018-07-23 13:46:53,820 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:53,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1323169273, now seen corresponding path program 106 times [2018-07-23 13:46:53,821 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10082 backedges. 5112 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:54,581 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:54,581 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:46:54,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:54,582 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 13:46:54,582 INFO L185 omatonBuilderFactory]: Interpolants [87553#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 87552#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 87555#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 87554#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 87557#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 87556#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 87559#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 87558#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 87561#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 87560#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 87563#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 87562#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 87565#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 87564#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 87567#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 87566#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 87569#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 87568#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 87571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 87570#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 87573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 87572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 87575#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 87574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 87433#false, 87432#true, 87435#(<= ULTIMATE.start_main_~i~5 1), 87434#(<= ULTIMATE.start_main_~i~5 0), 87437#(<= ULTIMATE.start_main_~i~5 3), 87436#(<= ULTIMATE.start_main_~i~5 2), 87439#(<= ULTIMATE.start_main_~i~5 5), 87438#(<= ULTIMATE.start_main_~i~5 4), 87441#(<= ULTIMATE.start_main_~i~5 7), 87440#(<= ULTIMATE.start_main_~i~5 6), 87443#(<= ULTIMATE.start_main_~i~5 9), 87442#(<= ULTIMATE.start_main_~i~5 8), 87445#(<= ULTIMATE.start_main_~i~5 11), 87444#(<= ULTIMATE.start_main_~i~5 10), 87447#(<= ULTIMATE.start_main_~i~5 13), 87446#(<= ULTIMATE.start_main_~i~5 12), 87449#(<= ULTIMATE.start_main_~i~5 15), 87448#(<= ULTIMATE.start_main_~i~5 14), 87451#(<= ULTIMATE.start_main_~i~5 17), 87450#(<= ULTIMATE.start_main_~i~5 16), 87453#(<= ULTIMATE.start_main_~i~5 19), 87452#(<= ULTIMATE.start_main_~i~5 18), 87455#(<= ULTIMATE.start_main_~i~5 21), 87454#(<= ULTIMATE.start_main_~i~5 20), 87457#(<= ULTIMATE.start_main_~i~5 23), 87456#(<= ULTIMATE.start_main_~i~5 22), 87459#(<= ULTIMATE.start_main_~i~5 25), 87458#(<= ULTIMATE.start_main_~i~5 24), 87461#(<= ULTIMATE.start_main_~i~5 27), 87460#(<= ULTIMATE.start_main_~i~5 26), 87463#(<= ULTIMATE.start_main_~i~5 29), 87462#(<= ULTIMATE.start_main_~i~5 28), 87465#(<= ULTIMATE.start_main_~i~5 31), 87464#(<= ULTIMATE.start_main_~i~5 30), 87467#(<= ULTIMATE.start_main_~i~5 33), 87466#(<= ULTIMATE.start_main_~i~5 32), 87469#(<= ULTIMATE.start_main_~i~5 35), 87468#(<= ULTIMATE.start_main_~i~5 34), 87471#(<= ULTIMATE.start_main_~i~5 37), 87470#(<= ULTIMATE.start_main_~i~5 36), 87473#(<= ULTIMATE.start_main_~i~5 39), 87472#(<= ULTIMATE.start_main_~i~5 38), 87475#(<= ULTIMATE.start_main_~i~5 41), 87474#(<= ULTIMATE.start_main_~i~5 40), 87477#(<= ULTIMATE.start_main_~i~5 43), 87476#(<= ULTIMATE.start_main_~i~5 42), 87479#(<= ULTIMATE.start_main_~i~5 45), 87478#(<= ULTIMATE.start_main_~i~5 44), 87481#(<= ULTIMATE.start_main_~i~5 47), 87480#(<= ULTIMATE.start_main_~i~5 46), 87483#(<= ULTIMATE.start_main_~i~5 49), 87482#(<= ULTIMATE.start_main_~i~5 48), 87485#(<= ULTIMATE.start_main_~i~5 51), 87484#(<= ULTIMATE.start_main_~i~5 50), 87487#(<= ULTIMATE.start_main_~i~5 53), 87486#(<= ULTIMATE.start_main_~i~5 52), 87489#(<= ULTIMATE.start_main_~i~5 55), 87488#(<= ULTIMATE.start_main_~i~5 54), 87491#(<= ULTIMATE.start_main_~i~5 57), 87490#(<= ULTIMATE.start_main_~i~5 56), 87493#(<= ULTIMATE.start_main_~i~5 59), 87492#(<= ULTIMATE.start_main_~i~5 58), 87495#(<= ULTIMATE.start_main_~i~5 61), 87494#(<= ULTIMATE.start_main_~i~5 60), 87497#(<= ULTIMATE.start_main_~i~5 63), 87496#(<= ULTIMATE.start_main_~i~5 62), 87499#(<= ULTIMATE.start_main_~i~5 65), 87498#(<= ULTIMATE.start_main_~i~5 64), 87501#(<= ULTIMATE.start_main_~i~5 67), 87500#(<= ULTIMATE.start_main_~i~5 66), 87503#(<= ULTIMATE.start_main_~i~5 69), 87502#(<= ULTIMATE.start_main_~i~5 68), 87505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 87504#(<= ULTIMATE.start_main_~i~5 70), 87507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 87506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 87509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 87508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 87511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 87510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 87513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 87512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 87515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 87514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 87517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 87516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 87519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 87518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 87521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 87520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 87523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 87522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 87525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 87524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 87527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 87526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 87529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 87528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 87531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 87530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 87533#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 87532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 87535#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 87534#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 87537#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 87536#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 87539#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 87538#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 87541#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 87540#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 87543#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 87542#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 87545#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 87544#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 87547#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 87546#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 87549#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 87548#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 87551#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 87550#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25))] [2018-07-23 13:46:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 10082 backedges. 5112 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:54,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:46:54,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:46:54,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5255, Invalid=15337, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:46:54,584 INFO L87 Difference]: Start difference. First operand 289 states and 290 transitions. Second operand 144 states. [2018-07-23 13:46:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:55,317 INFO L93 Difference]: Finished difference Result 437 states and 439 transitions. [2018-07-23 13:46:55,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:46:55,317 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 288 [2018-07-23 13:46:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:55,319 INFO L225 Difference]: With dead ends: 437 [2018-07-23 13:46:55,319 INFO L226 Difference]: Without dead ends: 291 [2018-07-23 13:46:55,322 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7385 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=12780, Invalid=32802, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:46:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-07-23 13:46:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-07-23 13:46:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-07-23 13:46:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 292 transitions. [2018-07-23 13:46:55,345 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 292 transitions. Word has length 288 [2018-07-23 13:46:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:55,345 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 292 transitions. [2018-07-23 13:46:55,345 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:46:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 292 transitions. [2018-07-23 13:46:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-07-23 13:46:55,347 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:55,347 INFO L357 BasicCegarLoop]: trace histogram [72, 72, 71, 71, 1, 1, 1, 1] [2018-07-23 13:46:55,347 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:55,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1872528643, now seen corresponding path program 107 times [2018-07-23 13:46:55,347 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:56,339 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 5112 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:56,339 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:56,340 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:46:56,340 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:56,340 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 13:46:56,340 INFO L185 omatonBuilderFactory]: Interpolants [89173#false, 89172#true, 89175#(<= ULTIMATE.start_main_~i~5 1), 89174#(<= ULTIMATE.start_main_~i~5 0), 89177#(<= ULTIMATE.start_main_~i~5 3), 89176#(<= ULTIMATE.start_main_~i~5 2), 89179#(<= ULTIMATE.start_main_~i~5 5), 89178#(<= ULTIMATE.start_main_~i~5 4), 89181#(<= ULTIMATE.start_main_~i~5 7), 89180#(<= ULTIMATE.start_main_~i~5 6), 89183#(<= ULTIMATE.start_main_~i~5 9), 89182#(<= ULTIMATE.start_main_~i~5 8), 89185#(<= ULTIMATE.start_main_~i~5 11), 89184#(<= ULTIMATE.start_main_~i~5 10), 89187#(<= ULTIMATE.start_main_~i~5 13), 89186#(<= ULTIMATE.start_main_~i~5 12), 89189#(<= ULTIMATE.start_main_~i~5 15), 89188#(<= ULTIMATE.start_main_~i~5 14), 89191#(<= ULTIMATE.start_main_~i~5 17), 89190#(<= ULTIMATE.start_main_~i~5 16), 89193#(<= ULTIMATE.start_main_~i~5 19), 89192#(<= ULTIMATE.start_main_~i~5 18), 89195#(<= ULTIMATE.start_main_~i~5 21), 89194#(<= ULTIMATE.start_main_~i~5 20), 89197#(<= ULTIMATE.start_main_~i~5 23), 89196#(<= ULTIMATE.start_main_~i~5 22), 89199#(<= ULTIMATE.start_main_~i~5 25), 89198#(<= ULTIMATE.start_main_~i~5 24), 89201#(<= ULTIMATE.start_main_~i~5 27), 89200#(<= ULTIMATE.start_main_~i~5 26), 89203#(<= ULTIMATE.start_main_~i~5 29), 89202#(<= ULTIMATE.start_main_~i~5 28), 89205#(<= ULTIMATE.start_main_~i~5 31), 89204#(<= ULTIMATE.start_main_~i~5 30), 89207#(<= ULTIMATE.start_main_~i~5 33), 89206#(<= ULTIMATE.start_main_~i~5 32), 89209#(<= ULTIMATE.start_main_~i~5 35), 89208#(<= ULTIMATE.start_main_~i~5 34), 89211#(<= ULTIMATE.start_main_~i~5 37), 89210#(<= ULTIMATE.start_main_~i~5 36), 89213#(<= ULTIMATE.start_main_~i~5 39), 89212#(<= ULTIMATE.start_main_~i~5 38), 89215#(<= ULTIMATE.start_main_~i~5 41), 89214#(<= ULTIMATE.start_main_~i~5 40), 89217#(<= ULTIMATE.start_main_~i~5 43), 89216#(<= ULTIMATE.start_main_~i~5 42), 89219#(<= ULTIMATE.start_main_~i~5 45), 89218#(<= ULTIMATE.start_main_~i~5 44), 89221#(<= ULTIMATE.start_main_~i~5 47), 89220#(<= ULTIMATE.start_main_~i~5 46), 89223#(<= ULTIMATE.start_main_~i~5 49), 89222#(<= ULTIMATE.start_main_~i~5 48), 89225#(<= ULTIMATE.start_main_~i~5 51), 89224#(<= ULTIMATE.start_main_~i~5 50), 89227#(<= ULTIMATE.start_main_~i~5 53), 89226#(<= ULTIMATE.start_main_~i~5 52), 89229#(<= ULTIMATE.start_main_~i~5 55), 89228#(<= ULTIMATE.start_main_~i~5 54), 89231#(<= ULTIMATE.start_main_~i~5 57), 89230#(<= ULTIMATE.start_main_~i~5 56), 89233#(<= ULTIMATE.start_main_~i~5 59), 89232#(<= ULTIMATE.start_main_~i~5 58), 89235#(<= ULTIMATE.start_main_~i~5 61), 89234#(<= ULTIMATE.start_main_~i~5 60), 89237#(<= ULTIMATE.start_main_~i~5 63), 89236#(<= ULTIMATE.start_main_~i~5 62), 89239#(<= ULTIMATE.start_main_~i~5 65), 89238#(<= ULTIMATE.start_main_~i~5 64), 89241#(<= ULTIMATE.start_main_~i~5 67), 89240#(<= ULTIMATE.start_main_~i~5 66), 89243#(<= ULTIMATE.start_main_~i~5 69), 89242#(<= ULTIMATE.start_main_~i~5 68), 89245#(<= ULTIMATE.start_main_~i~5 71), 89244#(<= ULTIMATE.start_main_~i~5 70), 89247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 89246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 89249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 89248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 89251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 89250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 89253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 89252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 89255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 89254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 89257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 89256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 89259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 89258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 89261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 89260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 89263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 89262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 89265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 89264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 89267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 89266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 89269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 89268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 89271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 89270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 89273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 89272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 89275#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 89274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 89277#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 89276#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 89279#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 89278#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 89281#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 89280#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 89283#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 89282#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 89285#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 89284#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 89287#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 89286#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 89289#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 89288#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 89291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 89290#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 89293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 89292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 89295#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 89294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 89297#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 89296#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 89299#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 89298#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 89301#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 89300#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 89303#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 89302#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 89305#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 89304#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 89307#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 89306#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 89309#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 89308#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 89311#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 89310#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 89313#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 89312#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 89315#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 89314#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 89316#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:46:56,341 INFO L134 CoverageAnalysis]: Checked inductivity of 10224 backedges. 5112 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:56,341 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:46:56,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:46:56,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5328, Invalid=15552, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:46:56,343 INFO L87 Difference]: Start difference. First operand 291 states and 292 transitions. Second operand 145 states. [2018-07-23 13:46:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:56,972 INFO L93 Difference]: Finished difference Result 439 states and 441 transitions. [2018-07-23 13:46:56,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:46:56,972 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 290 [2018-07-23 13:46:56,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:56,973 INFO L225 Difference]: With dead ends: 439 [2018-07-23 13:46:56,974 INFO L226 Difference]: Without dead ends: 293 [2018-07-23 13:46:56,978 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7456 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13067, Invalid=33373, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:46:56,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-07-23 13:46:57,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-07-23 13:46:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-07-23 13:46:57,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 294 transitions. [2018-07-23 13:46:57,008 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 294 transitions. Word has length 290 [2018-07-23 13:46:57,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:57,008 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 294 transitions. [2018-07-23 13:46:57,008 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:46:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 294 transitions. [2018-07-23 13:46:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-23 13:46:57,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:57,010 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 72, 71, 1, 1, 1, 1] [2018-07-23 13:46:57,010 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:57,010 INFO L82 PathProgramCache]: Analyzing trace with hash 2036609279, now seen corresponding path program 108 times [2018-07-23 13:46:57,010 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 10368 backedges. 5256 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:57,495 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:57,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:46:57,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:57,495 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 13:46:57,495 INFO L185 omatonBuilderFactory]: Interpolants [90923#true, 90925#(<= 0 ULTIMATE.start_main_~k~5), 90924#false, 90927#(<= 2 ULTIMATE.start_main_~k~5), 90926#(<= 1 ULTIMATE.start_main_~k~5), 90929#(<= 4 ULTIMATE.start_main_~k~5), 90928#(<= 3 ULTIMATE.start_main_~k~5), 90931#(<= 6 ULTIMATE.start_main_~k~5), 90930#(<= 5 ULTIMATE.start_main_~k~5), 90933#(<= 8 ULTIMATE.start_main_~k~5), 90932#(<= 7 ULTIMATE.start_main_~k~5), 90935#(<= 10 ULTIMATE.start_main_~k~5), 90934#(<= 9 ULTIMATE.start_main_~k~5), 90937#(<= 12 ULTIMATE.start_main_~k~5), 90936#(<= 11 ULTIMATE.start_main_~k~5), 90939#(<= 14 ULTIMATE.start_main_~k~5), 90938#(<= 13 ULTIMATE.start_main_~k~5), 90941#(<= 16 ULTIMATE.start_main_~k~5), 90940#(<= 15 ULTIMATE.start_main_~k~5), 90943#(<= 18 ULTIMATE.start_main_~k~5), 90942#(<= 17 ULTIMATE.start_main_~k~5), 90945#(<= 20 ULTIMATE.start_main_~k~5), 90944#(<= 19 ULTIMATE.start_main_~k~5), 90947#(<= 22 ULTIMATE.start_main_~k~5), 90946#(<= 21 ULTIMATE.start_main_~k~5), 90949#(<= 24 ULTIMATE.start_main_~k~5), 90948#(<= 23 ULTIMATE.start_main_~k~5), 90951#(<= 26 ULTIMATE.start_main_~k~5), 90950#(<= 25 ULTIMATE.start_main_~k~5), 90953#(<= 28 ULTIMATE.start_main_~k~5), 90952#(<= 27 ULTIMATE.start_main_~k~5), 90955#(<= 30 ULTIMATE.start_main_~k~5), 90954#(<= 29 ULTIMATE.start_main_~k~5), 90957#(<= 32 ULTIMATE.start_main_~k~5), 90956#(<= 31 ULTIMATE.start_main_~k~5), 90959#(<= 34 ULTIMATE.start_main_~k~5), 90958#(<= 33 ULTIMATE.start_main_~k~5), 90961#(<= 36 ULTIMATE.start_main_~k~5), 90960#(<= 35 ULTIMATE.start_main_~k~5), 90963#(<= 38 ULTIMATE.start_main_~k~5), 90962#(<= 37 ULTIMATE.start_main_~k~5), 90965#(<= 40 ULTIMATE.start_main_~k~5), 90964#(<= 39 ULTIMATE.start_main_~k~5), 90967#(<= 42 ULTIMATE.start_main_~k~5), 90966#(<= 41 ULTIMATE.start_main_~k~5), 90969#(<= 44 ULTIMATE.start_main_~k~5), 90968#(<= 43 ULTIMATE.start_main_~k~5), 90971#(<= 46 ULTIMATE.start_main_~k~5), 90970#(<= 45 ULTIMATE.start_main_~k~5), 90973#(<= 48 ULTIMATE.start_main_~k~5), 90972#(<= 47 ULTIMATE.start_main_~k~5), 90975#(<= 50 ULTIMATE.start_main_~k~5), 90974#(<= 49 ULTIMATE.start_main_~k~5), 90977#(<= 52 ULTIMATE.start_main_~k~5), 90976#(<= 51 ULTIMATE.start_main_~k~5), 90979#(<= 54 ULTIMATE.start_main_~k~5), 90978#(<= 53 ULTIMATE.start_main_~k~5), 90981#(<= 56 ULTIMATE.start_main_~k~5), 90980#(<= 55 ULTIMATE.start_main_~k~5), 90983#(<= 58 ULTIMATE.start_main_~k~5), 90982#(<= 57 ULTIMATE.start_main_~k~5), 90985#(<= 60 ULTIMATE.start_main_~k~5), 90984#(<= 59 ULTIMATE.start_main_~k~5), 90987#(<= 62 ULTIMATE.start_main_~k~5), 90986#(<= 61 ULTIMATE.start_main_~k~5), 90989#(<= 64 ULTIMATE.start_main_~k~5), 90988#(<= 63 ULTIMATE.start_main_~k~5), 90991#(<= 66 ULTIMATE.start_main_~k~5), 90990#(<= 65 ULTIMATE.start_main_~k~5), 90993#(<= 68 ULTIMATE.start_main_~k~5), 90992#(<= 67 ULTIMATE.start_main_~k~5), 90995#(<= 70 ULTIMATE.start_main_~k~5), 90994#(<= 69 ULTIMATE.start_main_~k~5), 90997#(<= 72 ULTIMATE.start_main_~k~5), 90996#(<= 71 ULTIMATE.start_main_~k~5), 90999#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 90998#(and (<= 72 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)))] [2018-07-23 13:46:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 10368 backedges. 5256 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:57,496 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:46:57,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:46:57,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2852, Invalid=3000, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:46:57,497 INFO L87 Difference]: Start difference. First operand 293 states and 294 transitions. Second operand 77 states. [2018-07-23 13:46:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:57,782 INFO L93 Difference]: Finished difference Result 299 states and 301 transitions. [2018-07-23 13:46:57,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:46:57,782 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 292 [2018-07-23 13:46:57,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:57,783 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:46:57,783 INFO L226 Difference]: Without dead ends: 297 [2018-07-23 13:46:57,785 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5329 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8401, Invalid=13949, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:46:57,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-07-23 13:46:57,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-07-23 13:46:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-07-23 13:46:57,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 298 transitions. [2018-07-23 13:46:57,816 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 298 transitions. Word has length 292 [2018-07-23 13:46:57,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:57,816 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 298 transitions. [2018-07-23 13:46:57,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:46:57,816 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 298 transitions. [2018-07-23 13:46:57,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-07-23 13:46:57,818 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:57,818 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 73, 72, 1, 1, 1, 1] [2018-07-23 13:46:57,818 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:57,818 INFO L82 PathProgramCache]: Analyzing trace with hash -589956109, now seen corresponding path program 109 times [2018-07-23 13:46:57,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 5402 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,530 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:58,530 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:46:58,531 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:58,531 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 13:46:58,531 INFO L185 omatonBuilderFactory]: Interpolants [92417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 92416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 92419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 92418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 92421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 92420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 92423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 92422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 92425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 92424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 92427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 92426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 92429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 92428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 92431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 92430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 92433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 92432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 92435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 92434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 92437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 92436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 92439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 92438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 92441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 92440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 92443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 92442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 92445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 92444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 92447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 92446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 92449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 92448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 92451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 92450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 92453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 92452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 92455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 92454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 92457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 92456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 92459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 92458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 92461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 92460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 92463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 92462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 92465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 92464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 92467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 92466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 92469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 92468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 92471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 92470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 92473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 92472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 92475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 92474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 92477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 92476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 92479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 92478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 92481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 92480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 92483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 92482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 92485#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 92484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 92339#false, 92338#true, 92341#(<= ULTIMATE.start_main_~i~5 1), 92340#(<= ULTIMATE.start_main_~i~5 0), 92343#(<= ULTIMATE.start_main_~i~5 3), 92342#(<= ULTIMATE.start_main_~i~5 2), 92345#(<= ULTIMATE.start_main_~i~5 5), 92344#(<= ULTIMATE.start_main_~i~5 4), 92347#(<= ULTIMATE.start_main_~i~5 7), 92346#(<= ULTIMATE.start_main_~i~5 6), 92349#(<= ULTIMATE.start_main_~i~5 9), 92348#(<= ULTIMATE.start_main_~i~5 8), 92351#(<= ULTIMATE.start_main_~i~5 11), 92350#(<= ULTIMATE.start_main_~i~5 10), 92353#(<= ULTIMATE.start_main_~i~5 13), 92352#(<= ULTIMATE.start_main_~i~5 12), 92355#(<= ULTIMATE.start_main_~i~5 15), 92354#(<= ULTIMATE.start_main_~i~5 14), 92357#(<= ULTIMATE.start_main_~i~5 17), 92356#(<= ULTIMATE.start_main_~i~5 16), 92359#(<= ULTIMATE.start_main_~i~5 19), 92358#(<= ULTIMATE.start_main_~i~5 18), 92361#(<= ULTIMATE.start_main_~i~5 21), 92360#(<= ULTIMATE.start_main_~i~5 20), 92363#(<= ULTIMATE.start_main_~i~5 23), 92362#(<= ULTIMATE.start_main_~i~5 22), 92365#(<= ULTIMATE.start_main_~i~5 25), 92364#(<= ULTIMATE.start_main_~i~5 24), 92367#(<= ULTIMATE.start_main_~i~5 27), 92366#(<= ULTIMATE.start_main_~i~5 26), 92369#(<= ULTIMATE.start_main_~i~5 29), 92368#(<= ULTIMATE.start_main_~i~5 28), 92371#(<= ULTIMATE.start_main_~i~5 31), 92370#(<= ULTIMATE.start_main_~i~5 30), 92373#(<= ULTIMATE.start_main_~i~5 33), 92372#(<= ULTIMATE.start_main_~i~5 32), 92375#(<= ULTIMATE.start_main_~i~5 35), 92374#(<= ULTIMATE.start_main_~i~5 34), 92377#(<= ULTIMATE.start_main_~i~5 37), 92376#(<= ULTIMATE.start_main_~i~5 36), 92379#(<= ULTIMATE.start_main_~i~5 39), 92378#(<= ULTIMATE.start_main_~i~5 38), 92381#(<= ULTIMATE.start_main_~i~5 41), 92380#(<= ULTIMATE.start_main_~i~5 40), 92383#(<= ULTIMATE.start_main_~i~5 43), 92382#(<= ULTIMATE.start_main_~i~5 42), 92385#(<= ULTIMATE.start_main_~i~5 45), 92384#(<= ULTIMATE.start_main_~i~5 44), 92387#(<= ULTIMATE.start_main_~i~5 47), 92386#(<= ULTIMATE.start_main_~i~5 46), 92389#(<= ULTIMATE.start_main_~i~5 49), 92388#(<= ULTIMATE.start_main_~i~5 48), 92391#(<= ULTIMATE.start_main_~i~5 51), 92390#(<= ULTIMATE.start_main_~i~5 50), 92393#(<= ULTIMATE.start_main_~i~5 53), 92392#(<= ULTIMATE.start_main_~i~5 52), 92395#(<= ULTIMATE.start_main_~i~5 55), 92394#(<= ULTIMATE.start_main_~i~5 54), 92397#(<= ULTIMATE.start_main_~i~5 57), 92396#(<= ULTIMATE.start_main_~i~5 56), 92399#(<= ULTIMATE.start_main_~i~5 59), 92398#(<= ULTIMATE.start_main_~i~5 58), 92401#(<= ULTIMATE.start_main_~i~5 61), 92400#(<= ULTIMATE.start_main_~i~5 60), 92403#(<= ULTIMATE.start_main_~i~5 63), 92402#(<= ULTIMATE.start_main_~i~5 62), 92405#(<= ULTIMATE.start_main_~i~5 65), 92404#(<= ULTIMATE.start_main_~i~5 64), 92407#(<= ULTIMATE.start_main_~i~5 67), 92406#(<= ULTIMATE.start_main_~i~5 66), 92409#(<= ULTIMATE.start_main_~i~5 69), 92408#(<= ULTIMATE.start_main_~i~5 68), 92411#(<= ULTIMATE.start_main_~i~5 71), 92410#(<= ULTIMATE.start_main_~i~5 70), 92413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 92412#(<= ULTIMATE.start_main_~i~5 72), 92415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 92414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71))] [2018-07-23 13:46:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 10658 backedges. 5402 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,532 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:46:58,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:46:58,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5549, Invalid=16207, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:46:58,534 INFO L87 Difference]: Start difference. First operand 297 states and 298 transitions. Second operand 148 states. [2018-07-23 13:46:59,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:59,254 INFO L93 Difference]: Finished difference Result 449 states and 451 transitions. [2018-07-23 13:46:59,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:46:59,254 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 296 [2018-07-23 13:46:59,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:59,255 INFO L225 Difference]: With dead ends: 449 [2018-07-23 13:46:59,255 INFO L226 Difference]: Without dead ends: 299 [2018-07-23 13:46:59,258 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7812 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13505, Invalid=34675, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:46:59,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-07-23 13:46:59,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-07-23 13:46:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-07-23 13:46:59,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 300 transitions. [2018-07-23 13:46:59,287 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 300 transitions. Word has length 296 [2018-07-23 13:46:59,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:59,287 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 300 transitions. [2018-07-23 13:46:59,288 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:46:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 300 transitions. [2018-07-23 13:46:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-07-23 13:46:59,289 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:59,289 INFO L357 BasicCegarLoop]: trace histogram [74, 74, 73, 73, 1, 1, 1, 1] [2018-07-23 13:46:59,289 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:59,290 INFO L82 PathProgramCache]: Analyzing trace with hash 294894319, now seen corresponding path program 110 times [2018-07-23 13:46:59,290 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 5402 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:00,040 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:00,040 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:47:00,040 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:00,040 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 13:47:00,041 INFO L185 omatonBuilderFactory]: Interpolants [94209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 94208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 94211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 94210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 94213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 94212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 94215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 94214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 94217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 94216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 94219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 94218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 94221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 94220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 94223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 94222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 94225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 94224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 94227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 94226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 94229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 94228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 94231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 94230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 94233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 94232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 94235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 94234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 94237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 94236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 94239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 94238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 94241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 94240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 94243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 94242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 94245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 94244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 94247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 94246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 94249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 94248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 94251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 94250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 94253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 94252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 94255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 94254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 94257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 94256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 94259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 94258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 94261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 94260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 94263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 94262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 94265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 94264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 94267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 94266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 94269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 94268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 94271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 94270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 94273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 94272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 94274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 94127#false, 94126#true, 94129#(<= ULTIMATE.start_main_~i~5 1), 94128#(<= ULTIMATE.start_main_~i~5 0), 94131#(<= ULTIMATE.start_main_~i~5 3), 94130#(<= ULTIMATE.start_main_~i~5 2), 94133#(<= ULTIMATE.start_main_~i~5 5), 94132#(<= ULTIMATE.start_main_~i~5 4), 94135#(<= ULTIMATE.start_main_~i~5 7), 94134#(<= ULTIMATE.start_main_~i~5 6), 94137#(<= ULTIMATE.start_main_~i~5 9), 94136#(<= ULTIMATE.start_main_~i~5 8), 94139#(<= ULTIMATE.start_main_~i~5 11), 94138#(<= ULTIMATE.start_main_~i~5 10), 94141#(<= ULTIMATE.start_main_~i~5 13), 94140#(<= ULTIMATE.start_main_~i~5 12), 94143#(<= ULTIMATE.start_main_~i~5 15), 94142#(<= ULTIMATE.start_main_~i~5 14), 94145#(<= ULTIMATE.start_main_~i~5 17), 94144#(<= ULTIMATE.start_main_~i~5 16), 94147#(<= ULTIMATE.start_main_~i~5 19), 94146#(<= ULTIMATE.start_main_~i~5 18), 94149#(<= ULTIMATE.start_main_~i~5 21), 94148#(<= ULTIMATE.start_main_~i~5 20), 94151#(<= ULTIMATE.start_main_~i~5 23), 94150#(<= ULTIMATE.start_main_~i~5 22), 94153#(<= ULTIMATE.start_main_~i~5 25), 94152#(<= ULTIMATE.start_main_~i~5 24), 94155#(<= ULTIMATE.start_main_~i~5 27), 94154#(<= ULTIMATE.start_main_~i~5 26), 94157#(<= ULTIMATE.start_main_~i~5 29), 94156#(<= ULTIMATE.start_main_~i~5 28), 94159#(<= ULTIMATE.start_main_~i~5 31), 94158#(<= ULTIMATE.start_main_~i~5 30), 94161#(<= ULTIMATE.start_main_~i~5 33), 94160#(<= ULTIMATE.start_main_~i~5 32), 94163#(<= ULTIMATE.start_main_~i~5 35), 94162#(<= ULTIMATE.start_main_~i~5 34), 94165#(<= ULTIMATE.start_main_~i~5 37), 94164#(<= ULTIMATE.start_main_~i~5 36), 94167#(<= ULTIMATE.start_main_~i~5 39), 94166#(<= ULTIMATE.start_main_~i~5 38), 94169#(<= ULTIMATE.start_main_~i~5 41), 94168#(<= ULTIMATE.start_main_~i~5 40), 94171#(<= ULTIMATE.start_main_~i~5 43), 94170#(<= ULTIMATE.start_main_~i~5 42), 94173#(<= ULTIMATE.start_main_~i~5 45), 94172#(<= ULTIMATE.start_main_~i~5 44), 94175#(<= ULTIMATE.start_main_~i~5 47), 94174#(<= ULTIMATE.start_main_~i~5 46), 94177#(<= ULTIMATE.start_main_~i~5 49), 94176#(<= ULTIMATE.start_main_~i~5 48), 94179#(<= ULTIMATE.start_main_~i~5 51), 94178#(<= ULTIMATE.start_main_~i~5 50), 94181#(<= ULTIMATE.start_main_~i~5 53), 94180#(<= ULTIMATE.start_main_~i~5 52), 94183#(<= ULTIMATE.start_main_~i~5 55), 94182#(<= ULTIMATE.start_main_~i~5 54), 94185#(<= ULTIMATE.start_main_~i~5 57), 94184#(<= ULTIMATE.start_main_~i~5 56), 94187#(<= ULTIMATE.start_main_~i~5 59), 94186#(<= ULTIMATE.start_main_~i~5 58), 94189#(<= ULTIMATE.start_main_~i~5 61), 94188#(<= ULTIMATE.start_main_~i~5 60), 94191#(<= ULTIMATE.start_main_~i~5 63), 94190#(<= ULTIMATE.start_main_~i~5 62), 94193#(<= ULTIMATE.start_main_~i~5 65), 94192#(<= ULTIMATE.start_main_~i~5 64), 94195#(<= ULTIMATE.start_main_~i~5 67), 94194#(<= ULTIMATE.start_main_~i~5 66), 94197#(<= ULTIMATE.start_main_~i~5 69), 94196#(<= ULTIMATE.start_main_~i~5 68), 94199#(<= ULTIMATE.start_main_~i~5 71), 94198#(<= ULTIMATE.start_main_~i~5 70), 94201#(<= ULTIMATE.start_main_~i~5 73), 94200#(<= ULTIMATE.start_main_~i~5 72), 94203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 94202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 94205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 94204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 94207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 94206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69))] [2018-07-23 13:47:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10804 backedges. 5402 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:00,041 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:47:00,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:47:00,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5624, Invalid=16428, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:47:00,044 INFO L87 Difference]: Start difference. First operand 299 states and 300 transitions. Second operand 149 states. [2018-07-23 13:47:00,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:00,792 INFO L93 Difference]: Finished difference Result 451 states and 453 transitions. [2018-07-23 13:47:00,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:47:00,793 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 298 [2018-07-23 13:47:00,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:00,794 INFO L225 Difference]: With dead ends: 451 [2018-07-23 13:47:00,794 INFO L226 Difference]: Without dead ends: 301 [2018-07-23 13:47:00,797 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7885 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13800, Invalid=35262, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:47:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-23 13:47:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-07-23 13:47:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-07-23 13:47:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 302 transitions. [2018-07-23 13:47:00,817 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 302 transitions. Word has length 298 [2018-07-23 13:47:00,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:00,818 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 302 transitions. [2018-07-23 13:47:00,818 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:47:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 302 transitions. [2018-07-23 13:47:00,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 13:47:00,819 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:00,819 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 74, 73, 1, 1, 1, 1] [2018-07-23 13:47:00,819 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:00,819 INFO L82 PathProgramCache]: Analyzing trace with hash 232631019, now seen corresponding path program 111 times [2018-07-23 13:47:00,819 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10952 backedges. 5550 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,354 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:01,354 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:47:01,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:01,355 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 13:47:01,355 INFO L185 omatonBuilderFactory]: Interpolants [96001#(<= 74 ULTIMATE.start_main_~k~5), 96000#(<= 73 ULTIMATE.start_main_~k~5), 96003#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 96002#(and (<= 74 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 95925#true, 95927#(<= 0 ULTIMATE.start_main_~k~5), 95926#false, 95929#(<= 2 ULTIMATE.start_main_~k~5), 95928#(<= 1 ULTIMATE.start_main_~k~5), 95931#(<= 4 ULTIMATE.start_main_~k~5), 95930#(<= 3 ULTIMATE.start_main_~k~5), 95933#(<= 6 ULTIMATE.start_main_~k~5), 95932#(<= 5 ULTIMATE.start_main_~k~5), 95935#(<= 8 ULTIMATE.start_main_~k~5), 95934#(<= 7 ULTIMATE.start_main_~k~5), 95937#(<= 10 ULTIMATE.start_main_~k~5), 95936#(<= 9 ULTIMATE.start_main_~k~5), 95939#(<= 12 ULTIMATE.start_main_~k~5), 95938#(<= 11 ULTIMATE.start_main_~k~5), 95941#(<= 14 ULTIMATE.start_main_~k~5), 95940#(<= 13 ULTIMATE.start_main_~k~5), 95943#(<= 16 ULTIMATE.start_main_~k~5), 95942#(<= 15 ULTIMATE.start_main_~k~5), 95945#(<= 18 ULTIMATE.start_main_~k~5), 95944#(<= 17 ULTIMATE.start_main_~k~5), 95947#(<= 20 ULTIMATE.start_main_~k~5), 95946#(<= 19 ULTIMATE.start_main_~k~5), 95949#(<= 22 ULTIMATE.start_main_~k~5), 95948#(<= 21 ULTIMATE.start_main_~k~5), 95951#(<= 24 ULTIMATE.start_main_~k~5), 95950#(<= 23 ULTIMATE.start_main_~k~5), 95953#(<= 26 ULTIMATE.start_main_~k~5), 95952#(<= 25 ULTIMATE.start_main_~k~5), 95955#(<= 28 ULTIMATE.start_main_~k~5), 95954#(<= 27 ULTIMATE.start_main_~k~5), 95957#(<= 30 ULTIMATE.start_main_~k~5), 95956#(<= 29 ULTIMATE.start_main_~k~5), 95959#(<= 32 ULTIMATE.start_main_~k~5), 95958#(<= 31 ULTIMATE.start_main_~k~5), 95961#(<= 34 ULTIMATE.start_main_~k~5), 95960#(<= 33 ULTIMATE.start_main_~k~5), 95963#(<= 36 ULTIMATE.start_main_~k~5), 95962#(<= 35 ULTIMATE.start_main_~k~5), 95965#(<= 38 ULTIMATE.start_main_~k~5), 95964#(<= 37 ULTIMATE.start_main_~k~5), 95967#(<= 40 ULTIMATE.start_main_~k~5), 95966#(<= 39 ULTIMATE.start_main_~k~5), 95969#(<= 42 ULTIMATE.start_main_~k~5), 95968#(<= 41 ULTIMATE.start_main_~k~5), 95971#(<= 44 ULTIMATE.start_main_~k~5), 95970#(<= 43 ULTIMATE.start_main_~k~5), 95973#(<= 46 ULTIMATE.start_main_~k~5), 95972#(<= 45 ULTIMATE.start_main_~k~5), 95975#(<= 48 ULTIMATE.start_main_~k~5), 95974#(<= 47 ULTIMATE.start_main_~k~5), 95977#(<= 50 ULTIMATE.start_main_~k~5), 95976#(<= 49 ULTIMATE.start_main_~k~5), 95979#(<= 52 ULTIMATE.start_main_~k~5), 95978#(<= 51 ULTIMATE.start_main_~k~5), 95981#(<= 54 ULTIMATE.start_main_~k~5), 95980#(<= 53 ULTIMATE.start_main_~k~5), 95983#(<= 56 ULTIMATE.start_main_~k~5), 95982#(<= 55 ULTIMATE.start_main_~k~5), 95985#(<= 58 ULTIMATE.start_main_~k~5), 95984#(<= 57 ULTIMATE.start_main_~k~5), 95987#(<= 60 ULTIMATE.start_main_~k~5), 95986#(<= 59 ULTIMATE.start_main_~k~5), 95989#(<= 62 ULTIMATE.start_main_~k~5), 95988#(<= 61 ULTIMATE.start_main_~k~5), 95991#(<= 64 ULTIMATE.start_main_~k~5), 95990#(<= 63 ULTIMATE.start_main_~k~5), 95993#(<= 66 ULTIMATE.start_main_~k~5), 95992#(<= 65 ULTIMATE.start_main_~k~5), 95995#(<= 68 ULTIMATE.start_main_~k~5), 95994#(<= 67 ULTIMATE.start_main_~k~5), 95997#(<= 70 ULTIMATE.start_main_~k~5), 95996#(<= 69 ULTIMATE.start_main_~k~5), 95999#(<= 72 ULTIMATE.start_main_~k~5), 95998#(<= 71 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10952 backedges. 5550 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,356 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:47:01,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:47:01,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3005, Invalid=3157, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:47:01,357 INFO L87 Difference]: Start difference. First operand 301 states and 302 transitions. Second operand 79 states. [2018-07-23 13:47:01,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:01,648 INFO L93 Difference]: Finished difference Result 307 states and 309 transitions. [2018-07-23 13:47:01,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:47:01,648 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 300 [2018-07-23 13:47:01,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:01,649 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:47:01,649 INFO L226 Difference]: Without dead ends: 305 [2018-07-23 13:47:01,650 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5625 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8856, Invalid=14706, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:47:01,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-07-23 13:47:01,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2018-07-23 13:47:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-07-23 13:47:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 306 transitions. [2018-07-23 13:47:01,681 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 306 transitions. Word has length 300 [2018-07-23 13:47:01,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:01,682 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 306 transitions. [2018-07-23 13:47:01,682 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:47:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 306 transitions. [2018-07-23 13:47:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-23 13:47:01,683 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:01,683 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 75, 74, 1, 1, 1, 1] [2018-07-23 13:47:01,683 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:01,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1122541535, now seen corresponding path program 112 times [2018-07-23 13:47:01,684 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:02,509 INFO L134 CoverageAnalysis]: Checked inductivity of 11250 backedges. 5700 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:02,510 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:02,510 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:47:02,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:02,510 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 13:47:02,511 INFO L185 omatonBuilderFactory]: Interpolants [97379#false, 97378#true, 97381#(<= ULTIMATE.start_main_~i~5 1), 97380#(<= ULTIMATE.start_main_~i~5 0), 97383#(<= ULTIMATE.start_main_~i~5 3), 97382#(<= ULTIMATE.start_main_~i~5 2), 97385#(<= ULTIMATE.start_main_~i~5 5), 97384#(<= ULTIMATE.start_main_~i~5 4), 97387#(<= ULTIMATE.start_main_~i~5 7), 97386#(<= ULTIMATE.start_main_~i~5 6), 97389#(<= ULTIMATE.start_main_~i~5 9), 97388#(<= ULTIMATE.start_main_~i~5 8), 97391#(<= ULTIMATE.start_main_~i~5 11), 97390#(<= ULTIMATE.start_main_~i~5 10), 97393#(<= ULTIMATE.start_main_~i~5 13), 97392#(<= ULTIMATE.start_main_~i~5 12), 97395#(<= ULTIMATE.start_main_~i~5 15), 97394#(<= ULTIMATE.start_main_~i~5 14), 97397#(<= ULTIMATE.start_main_~i~5 17), 97396#(<= ULTIMATE.start_main_~i~5 16), 97399#(<= ULTIMATE.start_main_~i~5 19), 97398#(<= ULTIMATE.start_main_~i~5 18), 97401#(<= ULTIMATE.start_main_~i~5 21), 97400#(<= ULTIMATE.start_main_~i~5 20), 97403#(<= ULTIMATE.start_main_~i~5 23), 97402#(<= ULTIMATE.start_main_~i~5 22), 97405#(<= ULTIMATE.start_main_~i~5 25), 97404#(<= ULTIMATE.start_main_~i~5 24), 97407#(<= ULTIMATE.start_main_~i~5 27), 97406#(<= ULTIMATE.start_main_~i~5 26), 97409#(<= ULTIMATE.start_main_~i~5 29), 97408#(<= ULTIMATE.start_main_~i~5 28), 97411#(<= ULTIMATE.start_main_~i~5 31), 97410#(<= ULTIMATE.start_main_~i~5 30), 97413#(<= ULTIMATE.start_main_~i~5 33), 97412#(<= ULTIMATE.start_main_~i~5 32), 97415#(<= ULTIMATE.start_main_~i~5 35), 97414#(<= ULTIMATE.start_main_~i~5 34), 97417#(<= ULTIMATE.start_main_~i~5 37), 97416#(<= ULTIMATE.start_main_~i~5 36), 97419#(<= ULTIMATE.start_main_~i~5 39), 97418#(<= ULTIMATE.start_main_~i~5 38), 97421#(<= ULTIMATE.start_main_~i~5 41), 97420#(<= ULTIMATE.start_main_~i~5 40), 97423#(<= ULTIMATE.start_main_~i~5 43), 97422#(<= ULTIMATE.start_main_~i~5 42), 97425#(<= ULTIMATE.start_main_~i~5 45), 97424#(<= ULTIMATE.start_main_~i~5 44), 97427#(<= ULTIMATE.start_main_~i~5 47), 97426#(<= ULTIMATE.start_main_~i~5 46), 97429#(<= ULTIMATE.start_main_~i~5 49), 97428#(<= ULTIMATE.start_main_~i~5 48), 97431#(<= ULTIMATE.start_main_~i~5 51), 97430#(<= ULTIMATE.start_main_~i~5 50), 97433#(<= ULTIMATE.start_main_~i~5 53), 97432#(<= ULTIMATE.start_main_~i~5 52), 97435#(<= ULTIMATE.start_main_~i~5 55), 97434#(<= ULTIMATE.start_main_~i~5 54), 97437#(<= ULTIMATE.start_main_~i~5 57), 97436#(<= ULTIMATE.start_main_~i~5 56), 97439#(<= ULTIMATE.start_main_~i~5 59), 97438#(<= ULTIMATE.start_main_~i~5 58), 97441#(<= ULTIMATE.start_main_~i~5 61), 97440#(<= ULTIMATE.start_main_~i~5 60), 97443#(<= ULTIMATE.start_main_~i~5 63), 97442#(<= ULTIMATE.start_main_~i~5 62), 97445#(<= ULTIMATE.start_main_~i~5 65), 97444#(<= ULTIMATE.start_main_~i~5 64), 97447#(<= ULTIMATE.start_main_~i~5 67), 97446#(<= ULTIMATE.start_main_~i~5 66), 97449#(<= ULTIMATE.start_main_~i~5 69), 97448#(<= ULTIMATE.start_main_~i~5 68), 97451#(<= ULTIMATE.start_main_~i~5 71), 97450#(<= ULTIMATE.start_main_~i~5 70), 97453#(<= ULTIMATE.start_main_~i~5 73), 97452#(<= ULTIMATE.start_main_~i~5 72), 97455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 97454#(<= ULTIMATE.start_main_~i~5 74), 97457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 97456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 97459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 97458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 97461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 97460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 97463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 97462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 97465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 97464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 97467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 97466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 97469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 97468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 97471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 97470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 97473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 97472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 97475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 97474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 97477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 97476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 97479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 97478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 97481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 97480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 97483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 97482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 97485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 97484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 97487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 97486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 97489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 97488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 97491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 97490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 97493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 97492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 97495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 97494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 97497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 97496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 97499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 97498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 97501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 97500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 97503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 97502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 97505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 97504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 97507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 97506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 97509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 97508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 97511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 97510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 97513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 97512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 97515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 97514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 97517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 97516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 97519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 97518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 97521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 97520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 97523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 97522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 97525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 97524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 97527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 97526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 97529#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 97528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:47:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11250 backedges. 5700 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:02,512 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:47:02,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:47:02,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5851, Invalid=17101, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:47:02,514 INFO L87 Difference]: Start difference. First operand 305 states and 306 transitions. Second operand 152 states. [2018-07-23 13:47:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:03,199 INFO L93 Difference]: Finished difference Result 461 states and 463 transitions. [2018-07-23 13:47:03,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:47:03,199 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 304 [2018-07-23 13:47:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:03,201 INFO L225 Difference]: With dead ends: 461 [2018-07-23 13:47:03,201 INFO L226 Difference]: Without dead ends: 307 [2018-07-23 13:47:03,205 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8251 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14250, Invalid=36600, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:47:03,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-07-23 13:47:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-07-23 13:47:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-07-23 13:47:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 308 transitions. [2018-07-23 13:47:03,229 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 308 transitions. Word has length 304 [2018-07-23 13:47:03,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:03,229 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 308 transitions. [2018-07-23 13:47:03,229 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:47:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 308 transitions. [2018-07-23 13:47:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-23 13:47:03,230 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:03,230 INFO L357 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 1, 1, 1, 1] [2018-07-23 13:47:03,230 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:03,230 INFO L82 PathProgramCache]: Analyzing trace with hash 677749467, now seen corresponding path program 113 times [2018-07-23 13:47:03,231 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 11400 backedges. 5700 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,078 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:04,078 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:47:04,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:04,079 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 13:47:04,079 INFO L185 omatonBuilderFactory]: Interpolants [99329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 99328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 99331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 99330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 99333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 99332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 99335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 99334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 99337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 99336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 99339#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 99338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 99341#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 99340#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 99343#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 99342#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 99345#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 99344#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 99347#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 99346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 99349#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 99348#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 99351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 99350#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 99353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 99352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 99355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 99354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 99357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 99356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 99359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 99358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 99361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 99360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 99363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 99362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 99365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 99364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 99366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 99215#false, 99214#true, 99217#(<= ULTIMATE.start_main_~i~5 1), 99216#(<= ULTIMATE.start_main_~i~5 0), 99219#(<= ULTIMATE.start_main_~i~5 3), 99218#(<= ULTIMATE.start_main_~i~5 2), 99221#(<= ULTIMATE.start_main_~i~5 5), 99220#(<= ULTIMATE.start_main_~i~5 4), 99223#(<= ULTIMATE.start_main_~i~5 7), 99222#(<= ULTIMATE.start_main_~i~5 6), 99225#(<= ULTIMATE.start_main_~i~5 9), 99224#(<= ULTIMATE.start_main_~i~5 8), 99227#(<= ULTIMATE.start_main_~i~5 11), 99226#(<= ULTIMATE.start_main_~i~5 10), 99229#(<= ULTIMATE.start_main_~i~5 13), 99228#(<= ULTIMATE.start_main_~i~5 12), 99231#(<= ULTIMATE.start_main_~i~5 15), 99230#(<= ULTIMATE.start_main_~i~5 14), 99233#(<= ULTIMATE.start_main_~i~5 17), 99232#(<= ULTIMATE.start_main_~i~5 16), 99235#(<= ULTIMATE.start_main_~i~5 19), 99234#(<= ULTIMATE.start_main_~i~5 18), 99237#(<= ULTIMATE.start_main_~i~5 21), 99236#(<= ULTIMATE.start_main_~i~5 20), 99239#(<= ULTIMATE.start_main_~i~5 23), 99238#(<= ULTIMATE.start_main_~i~5 22), 99241#(<= ULTIMATE.start_main_~i~5 25), 99240#(<= ULTIMATE.start_main_~i~5 24), 99243#(<= ULTIMATE.start_main_~i~5 27), 99242#(<= ULTIMATE.start_main_~i~5 26), 99245#(<= ULTIMATE.start_main_~i~5 29), 99244#(<= ULTIMATE.start_main_~i~5 28), 99247#(<= ULTIMATE.start_main_~i~5 31), 99246#(<= ULTIMATE.start_main_~i~5 30), 99249#(<= ULTIMATE.start_main_~i~5 33), 99248#(<= ULTIMATE.start_main_~i~5 32), 99251#(<= ULTIMATE.start_main_~i~5 35), 99250#(<= ULTIMATE.start_main_~i~5 34), 99253#(<= ULTIMATE.start_main_~i~5 37), 99252#(<= ULTIMATE.start_main_~i~5 36), 99255#(<= ULTIMATE.start_main_~i~5 39), 99254#(<= ULTIMATE.start_main_~i~5 38), 99257#(<= ULTIMATE.start_main_~i~5 41), 99256#(<= ULTIMATE.start_main_~i~5 40), 99259#(<= ULTIMATE.start_main_~i~5 43), 99258#(<= ULTIMATE.start_main_~i~5 42), 99261#(<= ULTIMATE.start_main_~i~5 45), 99260#(<= ULTIMATE.start_main_~i~5 44), 99263#(<= ULTIMATE.start_main_~i~5 47), 99262#(<= ULTIMATE.start_main_~i~5 46), 99265#(<= ULTIMATE.start_main_~i~5 49), 99264#(<= ULTIMATE.start_main_~i~5 48), 99267#(<= ULTIMATE.start_main_~i~5 51), 99266#(<= ULTIMATE.start_main_~i~5 50), 99269#(<= ULTIMATE.start_main_~i~5 53), 99268#(<= ULTIMATE.start_main_~i~5 52), 99271#(<= ULTIMATE.start_main_~i~5 55), 99270#(<= ULTIMATE.start_main_~i~5 54), 99273#(<= ULTIMATE.start_main_~i~5 57), 99272#(<= ULTIMATE.start_main_~i~5 56), 99275#(<= ULTIMATE.start_main_~i~5 59), 99274#(<= ULTIMATE.start_main_~i~5 58), 99277#(<= ULTIMATE.start_main_~i~5 61), 99276#(<= ULTIMATE.start_main_~i~5 60), 99279#(<= ULTIMATE.start_main_~i~5 63), 99278#(<= ULTIMATE.start_main_~i~5 62), 99281#(<= ULTIMATE.start_main_~i~5 65), 99280#(<= ULTIMATE.start_main_~i~5 64), 99283#(<= ULTIMATE.start_main_~i~5 67), 99282#(<= ULTIMATE.start_main_~i~5 66), 99285#(<= ULTIMATE.start_main_~i~5 69), 99284#(<= ULTIMATE.start_main_~i~5 68), 99287#(<= ULTIMATE.start_main_~i~5 71), 99286#(<= ULTIMATE.start_main_~i~5 70), 99289#(<= ULTIMATE.start_main_~i~5 73), 99288#(<= ULTIMATE.start_main_~i~5 72), 99291#(<= ULTIMATE.start_main_~i~5 75), 99290#(<= ULTIMATE.start_main_~i~5 74), 99293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 99292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 99295#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 99294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 99297#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 99296#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 99299#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 99298#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 99301#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 99300#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 99303#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 99302#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 99305#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 99304#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 99307#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 99306#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 99309#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 99308#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 99311#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 99310#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 99313#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 99312#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 99315#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 99314#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 99317#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 99316#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 99319#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 99318#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 99321#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 99320#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 99323#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 99322#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 99325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 99324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 99327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 99326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41))] [2018-07-23 13:47:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 11400 backedges. 5700 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,081 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:47:04,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:47:04,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5928, Invalid=17328, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:47:04,085 INFO L87 Difference]: Start difference. First operand 307 states and 308 transitions. Second operand 153 states. [2018-07-23 13:47:04,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:04,955 INFO L93 Difference]: Finished difference Result 463 states and 465 transitions. [2018-07-23 13:47:04,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:47:04,955 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 306 [2018-07-23 13:47:04,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:04,957 INFO L225 Difference]: With dead ends: 463 [2018-07-23 13:47:04,957 INFO L226 Difference]: Without dead ends: 309 [2018-07-23 13:47:04,961 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8326 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=14553, Invalid=37203, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:47:04,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-07-23 13:47:04,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-07-23 13:47:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-07-23 13:47:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 310 transitions. [2018-07-23 13:47:04,983 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 310 transitions. Word has length 306 [2018-07-23 13:47:04,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:04,983 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 310 transitions. [2018-07-23 13:47:04,983 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:47:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 310 transitions. [2018-07-23 13:47:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-07-23 13:47:04,984 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:04,984 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 76, 75, 1, 1, 1, 1] [2018-07-23 13:47:04,984 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:04,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1565665577, now seen corresponding path program 114 times [2018-07-23 13:47:04,984 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11552 backedges. 5852 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:05,511 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:05,512 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:47:05,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:05,512 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 13:47:05,512 INFO L185 omatonBuilderFactory]: Interpolants [101121#(<= 58 ULTIMATE.start_main_~k~5), 101120#(<= 57 ULTIMATE.start_main_~k~5), 101123#(<= 60 ULTIMATE.start_main_~k~5), 101122#(<= 59 ULTIMATE.start_main_~k~5), 101125#(<= 62 ULTIMATE.start_main_~k~5), 101124#(<= 61 ULTIMATE.start_main_~k~5), 101127#(<= 64 ULTIMATE.start_main_~k~5), 101126#(<= 63 ULTIMATE.start_main_~k~5), 101129#(<= 66 ULTIMATE.start_main_~k~5), 101128#(<= 65 ULTIMATE.start_main_~k~5), 101131#(<= 68 ULTIMATE.start_main_~k~5), 101130#(<= 67 ULTIMATE.start_main_~k~5), 101133#(<= 70 ULTIMATE.start_main_~k~5), 101132#(<= 69 ULTIMATE.start_main_~k~5), 101135#(<= 72 ULTIMATE.start_main_~k~5), 101134#(<= 71 ULTIMATE.start_main_~k~5), 101137#(<= 74 ULTIMATE.start_main_~k~5), 101136#(<= 73 ULTIMATE.start_main_~k~5), 101139#(<= 76 ULTIMATE.start_main_~k~5), 101138#(<= 75 ULTIMATE.start_main_~k~5), 101141#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 101140#(and (<= 76 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 101061#true, 101063#(<= 0 ULTIMATE.start_main_~k~5), 101062#false, 101065#(<= 2 ULTIMATE.start_main_~k~5), 101064#(<= 1 ULTIMATE.start_main_~k~5), 101067#(<= 4 ULTIMATE.start_main_~k~5), 101066#(<= 3 ULTIMATE.start_main_~k~5), 101069#(<= 6 ULTIMATE.start_main_~k~5), 101068#(<= 5 ULTIMATE.start_main_~k~5), 101071#(<= 8 ULTIMATE.start_main_~k~5), 101070#(<= 7 ULTIMATE.start_main_~k~5), 101073#(<= 10 ULTIMATE.start_main_~k~5), 101072#(<= 9 ULTIMATE.start_main_~k~5), 101075#(<= 12 ULTIMATE.start_main_~k~5), 101074#(<= 11 ULTIMATE.start_main_~k~5), 101077#(<= 14 ULTIMATE.start_main_~k~5), 101076#(<= 13 ULTIMATE.start_main_~k~5), 101079#(<= 16 ULTIMATE.start_main_~k~5), 101078#(<= 15 ULTIMATE.start_main_~k~5), 101081#(<= 18 ULTIMATE.start_main_~k~5), 101080#(<= 17 ULTIMATE.start_main_~k~5), 101083#(<= 20 ULTIMATE.start_main_~k~5), 101082#(<= 19 ULTIMATE.start_main_~k~5), 101085#(<= 22 ULTIMATE.start_main_~k~5), 101084#(<= 21 ULTIMATE.start_main_~k~5), 101087#(<= 24 ULTIMATE.start_main_~k~5), 101086#(<= 23 ULTIMATE.start_main_~k~5), 101089#(<= 26 ULTIMATE.start_main_~k~5), 101088#(<= 25 ULTIMATE.start_main_~k~5), 101091#(<= 28 ULTIMATE.start_main_~k~5), 101090#(<= 27 ULTIMATE.start_main_~k~5), 101093#(<= 30 ULTIMATE.start_main_~k~5), 101092#(<= 29 ULTIMATE.start_main_~k~5), 101095#(<= 32 ULTIMATE.start_main_~k~5), 101094#(<= 31 ULTIMATE.start_main_~k~5), 101097#(<= 34 ULTIMATE.start_main_~k~5), 101096#(<= 33 ULTIMATE.start_main_~k~5), 101099#(<= 36 ULTIMATE.start_main_~k~5), 101098#(<= 35 ULTIMATE.start_main_~k~5), 101101#(<= 38 ULTIMATE.start_main_~k~5), 101100#(<= 37 ULTIMATE.start_main_~k~5), 101103#(<= 40 ULTIMATE.start_main_~k~5), 101102#(<= 39 ULTIMATE.start_main_~k~5), 101105#(<= 42 ULTIMATE.start_main_~k~5), 101104#(<= 41 ULTIMATE.start_main_~k~5), 101107#(<= 44 ULTIMATE.start_main_~k~5), 101106#(<= 43 ULTIMATE.start_main_~k~5), 101109#(<= 46 ULTIMATE.start_main_~k~5), 101108#(<= 45 ULTIMATE.start_main_~k~5), 101111#(<= 48 ULTIMATE.start_main_~k~5), 101110#(<= 47 ULTIMATE.start_main_~k~5), 101113#(<= 50 ULTIMATE.start_main_~k~5), 101112#(<= 49 ULTIMATE.start_main_~k~5), 101115#(<= 52 ULTIMATE.start_main_~k~5), 101114#(<= 51 ULTIMATE.start_main_~k~5), 101117#(<= 54 ULTIMATE.start_main_~k~5), 101116#(<= 53 ULTIMATE.start_main_~k~5), 101119#(<= 56 ULTIMATE.start_main_~k~5), 101118#(<= 55 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 11552 backedges. 5852 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:05,513 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:47:05,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:47:05,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3162, Invalid=3318, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:47:05,514 INFO L87 Difference]: Start difference. First operand 309 states and 310 transitions. Second operand 81 states. [2018-07-23 13:47:05,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:05,842 INFO L93 Difference]: Finished difference Result 315 states and 317 transitions. [2018-07-23 13:47:05,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:47:05,842 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 308 [2018-07-23 13:47:05,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:05,843 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:47:05,843 INFO L226 Difference]: Without dead ends: 313 [2018-07-23 13:47:05,844 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5929 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9323, Invalid=15483, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:47:05,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-23 13:47:05,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-07-23 13:47:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-07-23 13:47:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 314 transitions. [2018-07-23 13:47:05,873 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 314 transitions. Word has length 308 [2018-07-23 13:47:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:05,873 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 314 transitions. [2018-07-23 13:47:05,874 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:47:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 314 transitions. [2018-07-23 13:47:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-07-23 13:47:05,875 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:05,875 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 77, 76, 1, 1, 1, 1] [2018-07-23 13:47:05,875 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:05,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1521022411, now seen corresponding path program 115 times [2018-07-23 13:47:05,876 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11858 backedges. 6006 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:06,700 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:06,700 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:47:06,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:06,700 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 13:47:06,701 INFO L185 omatonBuilderFactory]: Interpolants [102657#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 102656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 102659#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 102658#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 102661#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 102660#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 102663#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 102662#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 102665#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 102664#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 102667#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 102666#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 102669#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 102668#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 102671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 102670#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 102673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 102672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 102675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 102674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 102677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 102676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 102679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 102678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 102681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 102680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 102683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 102682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 102685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 102684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 102687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 102686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 102689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 102688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 102691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 102690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 102693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 102692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 102695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 102694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 102697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 102696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 102699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 102698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 102701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 102700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 102703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 102702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 102705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 102704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 102707#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 102706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 102553#false, 102552#true, 102555#(<= ULTIMATE.start_main_~i~5 1), 102554#(<= ULTIMATE.start_main_~i~5 0), 102557#(<= ULTIMATE.start_main_~i~5 3), 102556#(<= ULTIMATE.start_main_~i~5 2), 102559#(<= ULTIMATE.start_main_~i~5 5), 102558#(<= ULTIMATE.start_main_~i~5 4), 102561#(<= ULTIMATE.start_main_~i~5 7), 102560#(<= ULTIMATE.start_main_~i~5 6), 102563#(<= ULTIMATE.start_main_~i~5 9), 102562#(<= ULTIMATE.start_main_~i~5 8), 102565#(<= ULTIMATE.start_main_~i~5 11), 102564#(<= ULTIMATE.start_main_~i~5 10), 102567#(<= ULTIMATE.start_main_~i~5 13), 102566#(<= ULTIMATE.start_main_~i~5 12), 102569#(<= ULTIMATE.start_main_~i~5 15), 102568#(<= ULTIMATE.start_main_~i~5 14), 102571#(<= ULTIMATE.start_main_~i~5 17), 102570#(<= ULTIMATE.start_main_~i~5 16), 102573#(<= ULTIMATE.start_main_~i~5 19), 102572#(<= ULTIMATE.start_main_~i~5 18), 102575#(<= ULTIMATE.start_main_~i~5 21), 102574#(<= ULTIMATE.start_main_~i~5 20), 102577#(<= ULTIMATE.start_main_~i~5 23), 102576#(<= ULTIMATE.start_main_~i~5 22), 102579#(<= ULTIMATE.start_main_~i~5 25), 102578#(<= ULTIMATE.start_main_~i~5 24), 102581#(<= ULTIMATE.start_main_~i~5 27), 102580#(<= ULTIMATE.start_main_~i~5 26), 102583#(<= ULTIMATE.start_main_~i~5 29), 102582#(<= ULTIMATE.start_main_~i~5 28), 102585#(<= ULTIMATE.start_main_~i~5 31), 102584#(<= ULTIMATE.start_main_~i~5 30), 102587#(<= ULTIMATE.start_main_~i~5 33), 102586#(<= ULTIMATE.start_main_~i~5 32), 102589#(<= ULTIMATE.start_main_~i~5 35), 102588#(<= ULTIMATE.start_main_~i~5 34), 102591#(<= ULTIMATE.start_main_~i~5 37), 102590#(<= ULTIMATE.start_main_~i~5 36), 102593#(<= ULTIMATE.start_main_~i~5 39), 102592#(<= ULTIMATE.start_main_~i~5 38), 102595#(<= ULTIMATE.start_main_~i~5 41), 102594#(<= ULTIMATE.start_main_~i~5 40), 102597#(<= ULTIMATE.start_main_~i~5 43), 102596#(<= ULTIMATE.start_main_~i~5 42), 102599#(<= ULTIMATE.start_main_~i~5 45), 102598#(<= ULTIMATE.start_main_~i~5 44), 102601#(<= ULTIMATE.start_main_~i~5 47), 102600#(<= ULTIMATE.start_main_~i~5 46), 102603#(<= ULTIMATE.start_main_~i~5 49), 102602#(<= ULTIMATE.start_main_~i~5 48), 102605#(<= ULTIMATE.start_main_~i~5 51), 102604#(<= ULTIMATE.start_main_~i~5 50), 102607#(<= ULTIMATE.start_main_~i~5 53), 102606#(<= ULTIMATE.start_main_~i~5 52), 102609#(<= ULTIMATE.start_main_~i~5 55), 102608#(<= ULTIMATE.start_main_~i~5 54), 102611#(<= ULTIMATE.start_main_~i~5 57), 102610#(<= ULTIMATE.start_main_~i~5 56), 102613#(<= ULTIMATE.start_main_~i~5 59), 102612#(<= ULTIMATE.start_main_~i~5 58), 102615#(<= ULTIMATE.start_main_~i~5 61), 102614#(<= ULTIMATE.start_main_~i~5 60), 102617#(<= ULTIMATE.start_main_~i~5 63), 102616#(<= ULTIMATE.start_main_~i~5 62), 102619#(<= ULTIMATE.start_main_~i~5 65), 102618#(<= ULTIMATE.start_main_~i~5 64), 102621#(<= ULTIMATE.start_main_~i~5 67), 102620#(<= ULTIMATE.start_main_~i~5 66), 102623#(<= ULTIMATE.start_main_~i~5 69), 102622#(<= ULTIMATE.start_main_~i~5 68), 102625#(<= ULTIMATE.start_main_~i~5 71), 102624#(<= ULTIMATE.start_main_~i~5 70), 102627#(<= ULTIMATE.start_main_~i~5 73), 102626#(<= ULTIMATE.start_main_~i~5 72), 102629#(<= ULTIMATE.start_main_~i~5 75), 102628#(<= ULTIMATE.start_main_~i~5 74), 102631#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 102630#(<= ULTIMATE.start_main_~i~5 76), 102633#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 102632#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 102635#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 102634#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 102637#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 102636#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 102639#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 102638#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 102641#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 102640#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 102643#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 102642#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 102645#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 102644#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 102647#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 102646#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 102649#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 102648#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 102651#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 102650#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 102653#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 102652#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 102655#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 102654#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53))] [2018-07-23 13:47:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 11858 backedges. 6006 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:06,702 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:47:06,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:47:06,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6161, Invalid=18019, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:47:06,705 INFO L87 Difference]: Start difference. First operand 313 states and 314 transitions. Second operand 156 states. [2018-07-23 13:47:07,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:07,604 INFO L93 Difference]: Finished difference Result 473 states and 475 transitions. [2018-07-23 13:47:07,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:47:07,604 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 312 [2018-07-23 13:47:07,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:07,605 INFO L225 Difference]: With dead ends: 473 [2018-07-23 13:47:07,606 INFO L226 Difference]: Without dead ends: 315 [2018-07-23 13:47:07,609 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8702 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15015, Invalid=38577, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:47:07,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-07-23 13:47:07,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2018-07-23 13:47:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-07-23 13:47:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 316 transitions. [2018-07-23 13:47:07,642 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 316 transitions. Word has length 312 [2018-07-23 13:47:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:07,642 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 316 transitions. [2018-07-23 13:47:07,642 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:47:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 316 transitions. [2018-07-23 13:47:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-23 13:47:07,644 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:07,644 INFO L357 BasicCegarLoop]: trace histogram [78, 78, 77, 77, 1, 1, 1, 1] [2018-07-23 13:47:07,644 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:07,644 INFO L82 PathProgramCache]: Analyzing trace with hash -278840121, now seen corresponding path program 116 times [2018-07-23 13:47:07,644 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12012 backedges. 6006 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:08,565 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:08,566 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:47:08,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:08,566 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 13:47:08,567 INFO L185 omatonBuilderFactory]: Interpolants [104449#(<= ULTIMATE.start_main_~i~5 11), 104448#(<= ULTIMATE.start_main_~i~5 10), 104451#(<= ULTIMATE.start_main_~i~5 13), 104450#(<= ULTIMATE.start_main_~i~5 12), 104453#(<= ULTIMATE.start_main_~i~5 15), 104452#(<= ULTIMATE.start_main_~i~5 14), 104455#(<= ULTIMATE.start_main_~i~5 17), 104454#(<= ULTIMATE.start_main_~i~5 16), 104457#(<= ULTIMATE.start_main_~i~5 19), 104456#(<= ULTIMATE.start_main_~i~5 18), 104459#(<= ULTIMATE.start_main_~i~5 21), 104458#(<= ULTIMATE.start_main_~i~5 20), 104461#(<= ULTIMATE.start_main_~i~5 23), 104460#(<= ULTIMATE.start_main_~i~5 22), 104463#(<= ULTIMATE.start_main_~i~5 25), 104462#(<= ULTIMATE.start_main_~i~5 24), 104465#(<= ULTIMATE.start_main_~i~5 27), 104464#(<= ULTIMATE.start_main_~i~5 26), 104467#(<= ULTIMATE.start_main_~i~5 29), 104466#(<= ULTIMATE.start_main_~i~5 28), 104469#(<= ULTIMATE.start_main_~i~5 31), 104468#(<= ULTIMATE.start_main_~i~5 30), 104471#(<= ULTIMATE.start_main_~i~5 33), 104470#(<= ULTIMATE.start_main_~i~5 32), 104473#(<= ULTIMATE.start_main_~i~5 35), 104472#(<= ULTIMATE.start_main_~i~5 34), 104475#(<= ULTIMATE.start_main_~i~5 37), 104474#(<= ULTIMATE.start_main_~i~5 36), 104477#(<= ULTIMATE.start_main_~i~5 39), 104476#(<= ULTIMATE.start_main_~i~5 38), 104479#(<= ULTIMATE.start_main_~i~5 41), 104478#(<= ULTIMATE.start_main_~i~5 40), 104481#(<= ULTIMATE.start_main_~i~5 43), 104480#(<= ULTIMATE.start_main_~i~5 42), 104483#(<= ULTIMATE.start_main_~i~5 45), 104482#(<= ULTIMATE.start_main_~i~5 44), 104485#(<= ULTIMATE.start_main_~i~5 47), 104484#(<= ULTIMATE.start_main_~i~5 46), 104487#(<= ULTIMATE.start_main_~i~5 49), 104486#(<= ULTIMATE.start_main_~i~5 48), 104489#(<= ULTIMATE.start_main_~i~5 51), 104488#(<= ULTIMATE.start_main_~i~5 50), 104491#(<= ULTIMATE.start_main_~i~5 53), 104490#(<= ULTIMATE.start_main_~i~5 52), 104493#(<= ULTIMATE.start_main_~i~5 55), 104492#(<= ULTIMATE.start_main_~i~5 54), 104495#(<= ULTIMATE.start_main_~i~5 57), 104494#(<= ULTIMATE.start_main_~i~5 56), 104497#(<= ULTIMATE.start_main_~i~5 59), 104496#(<= ULTIMATE.start_main_~i~5 58), 104499#(<= ULTIMATE.start_main_~i~5 61), 104498#(<= ULTIMATE.start_main_~i~5 60), 104501#(<= ULTIMATE.start_main_~i~5 63), 104500#(<= ULTIMATE.start_main_~i~5 62), 104503#(<= ULTIMATE.start_main_~i~5 65), 104502#(<= ULTIMATE.start_main_~i~5 64), 104505#(<= ULTIMATE.start_main_~i~5 67), 104504#(<= ULTIMATE.start_main_~i~5 66), 104507#(<= ULTIMATE.start_main_~i~5 69), 104506#(<= ULTIMATE.start_main_~i~5 68), 104509#(<= ULTIMATE.start_main_~i~5 71), 104508#(<= ULTIMATE.start_main_~i~5 70), 104511#(<= ULTIMATE.start_main_~i~5 73), 104510#(<= ULTIMATE.start_main_~i~5 72), 104513#(<= ULTIMATE.start_main_~i~5 75), 104512#(<= ULTIMATE.start_main_~i~5 74), 104515#(<= ULTIMATE.start_main_~i~5 77), 104514#(<= ULTIMATE.start_main_~i~5 76), 104517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 104516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 104519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 104518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 104521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 104520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 104523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 104522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 104525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 104524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 104527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 104526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 104529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 104528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 104531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 104530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 104533#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 104532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 104535#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 104534#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 104537#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 104536#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 104539#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 104538#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 104541#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 104540#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 104543#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 104542#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 104545#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 104544#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 104547#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 104546#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 104549#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 104548#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 104551#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 104550#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 104553#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 104552#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 104555#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 104554#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 104557#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 104556#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 104559#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 104558#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 104561#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 104560#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 104563#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 104562#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 104565#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 104564#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 104567#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 104566#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 104569#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 104568#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 104571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 104570#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 104573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 104572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 104575#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 104574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 104577#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 104576#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 104579#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 104578#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 104581#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 104580#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 104583#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 104582#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 104585#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 104584#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 104587#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 104586#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 104589#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 104588#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 104591#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 104590#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 104592#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 104437#false, 104436#true, 104439#(<= ULTIMATE.start_main_~i~5 1), 104438#(<= ULTIMATE.start_main_~i~5 0), 104441#(<= ULTIMATE.start_main_~i~5 3), 104440#(<= ULTIMATE.start_main_~i~5 2), 104443#(<= ULTIMATE.start_main_~i~5 5), 104442#(<= ULTIMATE.start_main_~i~5 4), 104445#(<= ULTIMATE.start_main_~i~5 7), 104444#(<= ULTIMATE.start_main_~i~5 6), 104447#(<= ULTIMATE.start_main_~i~5 9), 104446#(<= ULTIMATE.start_main_~i~5 8)] [2018-07-23 13:47:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12012 backedges. 6006 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:08,568 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:47:08,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:47:08,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6240, Invalid=18252, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:47:08,570 INFO L87 Difference]: Start difference. First operand 315 states and 316 transitions. Second operand 157 states. [2018-07-23 13:47:09,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:09,399 INFO L93 Difference]: Finished difference Result 475 states and 477 transitions. [2018-07-23 13:47:09,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:47:09,399 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 314 [2018-07-23 13:47:09,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:09,400 INFO L225 Difference]: With dead ends: 475 [2018-07-23 13:47:09,400 INFO L226 Difference]: Without dead ends: 317 [2018-07-23 13:47:09,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8779 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15326, Invalid=39196, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:47:09,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-07-23 13:47:09,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-07-23 13:47:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-07-23 13:47:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 318 transitions. [2018-07-23 13:47:09,425 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 318 transitions. Word has length 314 [2018-07-23 13:47:09,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:09,426 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 318 transitions. [2018-07-23 13:47:09,426 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:47:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 318 transitions. [2018-07-23 13:47:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-07-23 13:47:09,427 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:09,427 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 78, 77, 1, 1, 1, 1] [2018-07-23 13:47:09,427 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:09,427 INFO L82 PathProgramCache]: Analyzing trace with hash 925086915, now seen corresponding path program 117 times [2018-07-23 13:47:09,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12168 backedges. 6162 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:09,969 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:09,969 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:47:09,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:09,970 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 13:47:09,970 INFO L185 omatonBuilderFactory]: Interpolants [106369#(<= 36 ULTIMATE.start_main_~k~5), 106368#(<= 35 ULTIMATE.start_main_~k~5), 106371#(<= 38 ULTIMATE.start_main_~k~5), 106370#(<= 37 ULTIMATE.start_main_~k~5), 106373#(<= 40 ULTIMATE.start_main_~k~5), 106372#(<= 39 ULTIMATE.start_main_~k~5), 106375#(<= 42 ULTIMATE.start_main_~k~5), 106374#(<= 41 ULTIMATE.start_main_~k~5), 106377#(<= 44 ULTIMATE.start_main_~k~5), 106376#(<= 43 ULTIMATE.start_main_~k~5), 106379#(<= 46 ULTIMATE.start_main_~k~5), 106378#(<= 45 ULTIMATE.start_main_~k~5), 106381#(<= 48 ULTIMATE.start_main_~k~5), 106380#(<= 47 ULTIMATE.start_main_~k~5), 106383#(<= 50 ULTIMATE.start_main_~k~5), 106382#(<= 49 ULTIMATE.start_main_~k~5), 106385#(<= 52 ULTIMATE.start_main_~k~5), 106384#(<= 51 ULTIMATE.start_main_~k~5), 106387#(<= 54 ULTIMATE.start_main_~k~5), 106386#(<= 53 ULTIMATE.start_main_~k~5), 106389#(<= 56 ULTIMATE.start_main_~k~5), 106388#(<= 55 ULTIMATE.start_main_~k~5), 106391#(<= 58 ULTIMATE.start_main_~k~5), 106390#(<= 57 ULTIMATE.start_main_~k~5), 106393#(<= 60 ULTIMATE.start_main_~k~5), 106392#(<= 59 ULTIMATE.start_main_~k~5), 106395#(<= 62 ULTIMATE.start_main_~k~5), 106394#(<= 61 ULTIMATE.start_main_~k~5), 106397#(<= 64 ULTIMATE.start_main_~k~5), 106396#(<= 63 ULTIMATE.start_main_~k~5), 106399#(<= 66 ULTIMATE.start_main_~k~5), 106398#(<= 65 ULTIMATE.start_main_~k~5), 106401#(<= 68 ULTIMATE.start_main_~k~5), 106400#(<= 67 ULTIMATE.start_main_~k~5), 106403#(<= 70 ULTIMATE.start_main_~k~5), 106402#(<= 69 ULTIMATE.start_main_~k~5), 106405#(<= 72 ULTIMATE.start_main_~k~5), 106404#(<= 71 ULTIMATE.start_main_~k~5), 106407#(<= 74 ULTIMATE.start_main_~k~5), 106406#(<= 73 ULTIMATE.start_main_~k~5), 106409#(<= 76 ULTIMATE.start_main_~k~5), 106408#(<= 75 ULTIMATE.start_main_~k~5), 106411#(<= 78 ULTIMATE.start_main_~k~5), 106410#(<= 77 ULTIMATE.start_main_~k~5), 106413#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 106412#(and (<= 78 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 106331#true, 106333#(<= 0 ULTIMATE.start_main_~k~5), 106332#false, 106335#(<= 2 ULTIMATE.start_main_~k~5), 106334#(<= 1 ULTIMATE.start_main_~k~5), 106337#(<= 4 ULTIMATE.start_main_~k~5), 106336#(<= 3 ULTIMATE.start_main_~k~5), 106339#(<= 6 ULTIMATE.start_main_~k~5), 106338#(<= 5 ULTIMATE.start_main_~k~5), 106341#(<= 8 ULTIMATE.start_main_~k~5), 106340#(<= 7 ULTIMATE.start_main_~k~5), 106343#(<= 10 ULTIMATE.start_main_~k~5), 106342#(<= 9 ULTIMATE.start_main_~k~5), 106345#(<= 12 ULTIMATE.start_main_~k~5), 106344#(<= 11 ULTIMATE.start_main_~k~5), 106347#(<= 14 ULTIMATE.start_main_~k~5), 106346#(<= 13 ULTIMATE.start_main_~k~5), 106349#(<= 16 ULTIMATE.start_main_~k~5), 106348#(<= 15 ULTIMATE.start_main_~k~5), 106351#(<= 18 ULTIMATE.start_main_~k~5), 106350#(<= 17 ULTIMATE.start_main_~k~5), 106353#(<= 20 ULTIMATE.start_main_~k~5), 106352#(<= 19 ULTIMATE.start_main_~k~5), 106355#(<= 22 ULTIMATE.start_main_~k~5), 106354#(<= 21 ULTIMATE.start_main_~k~5), 106357#(<= 24 ULTIMATE.start_main_~k~5), 106356#(<= 23 ULTIMATE.start_main_~k~5), 106359#(<= 26 ULTIMATE.start_main_~k~5), 106358#(<= 25 ULTIMATE.start_main_~k~5), 106361#(<= 28 ULTIMATE.start_main_~k~5), 106360#(<= 27 ULTIMATE.start_main_~k~5), 106363#(<= 30 ULTIMATE.start_main_~k~5), 106362#(<= 29 ULTIMATE.start_main_~k~5), 106365#(<= 32 ULTIMATE.start_main_~k~5), 106364#(<= 31 ULTIMATE.start_main_~k~5), 106367#(<= 34 ULTIMATE.start_main_~k~5), 106366#(<= 33 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12168 backedges. 6162 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:09,971 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:47:09,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:47:09,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3323, Invalid=3483, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:47:09,972 INFO L87 Difference]: Start difference. First operand 317 states and 318 transitions. Second operand 83 states. [2018-07-23 13:47:10,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:10,329 INFO L93 Difference]: Finished difference Result 323 states and 325 transitions. [2018-07-23 13:47:10,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:47:10,329 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 316 [2018-07-23 13:47:10,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:10,330 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:47:10,330 INFO L226 Difference]: Without dead ends: 321 [2018-07-23 13:47:10,333 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6241 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9802, Invalid=16280, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:47:10,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-07-23 13:47:10,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-07-23 13:47:10,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-07-23 13:47:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 322 transitions. [2018-07-23 13:47:10,357 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 322 transitions. Word has length 316 [2018-07-23 13:47:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:10,358 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 322 transitions. [2018-07-23 13:47:10,358 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:47:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 322 transitions. [2018-07-23 13:47:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-07-23 13:47:10,359 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:10,359 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 79, 78, 1, 1, 1, 1] [2018-07-23 13:47:10,359 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:10,359 INFO L82 PathProgramCache]: Analyzing trace with hash -471466569, now seen corresponding path program 118 times [2018-07-23 13:47:10,359 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12482 backedges. 6320 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:11,211 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:11,211 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:47:11,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:11,211 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 13:47:11,212 INFO L185 omatonBuilderFactory]: Interpolants [107861#false, 107860#true, 107863#(<= ULTIMATE.start_main_~i~5 1), 107862#(<= ULTIMATE.start_main_~i~5 0), 107865#(<= ULTIMATE.start_main_~i~5 3), 107864#(<= ULTIMATE.start_main_~i~5 2), 107867#(<= ULTIMATE.start_main_~i~5 5), 107866#(<= ULTIMATE.start_main_~i~5 4), 107869#(<= ULTIMATE.start_main_~i~5 7), 107868#(<= ULTIMATE.start_main_~i~5 6), 107871#(<= ULTIMATE.start_main_~i~5 9), 107870#(<= ULTIMATE.start_main_~i~5 8), 107873#(<= ULTIMATE.start_main_~i~5 11), 107872#(<= ULTIMATE.start_main_~i~5 10), 107875#(<= ULTIMATE.start_main_~i~5 13), 107874#(<= ULTIMATE.start_main_~i~5 12), 107877#(<= ULTIMATE.start_main_~i~5 15), 107876#(<= ULTIMATE.start_main_~i~5 14), 107879#(<= ULTIMATE.start_main_~i~5 17), 107878#(<= ULTIMATE.start_main_~i~5 16), 107881#(<= ULTIMATE.start_main_~i~5 19), 107880#(<= ULTIMATE.start_main_~i~5 18), 107883#(<= ULTIMATE.start_main_~i~5 21), 107882#(<= ULTIMATE.start_main_~i~5 20), 107885#(<= ULTIMATE.start_main_~i~5 23), 107884#(<= ULTIMATE.start_main_~i~5 22), 107887#(<= ULTIMATE.start_main_~i~5 25), 107886#(<= ULTIMATE.start_main_~i~5 24), 107889#(<= ULTIMATE.start_main_~i~5 27), 107888#(<= ULTIMATE.start_main_~i~5 26), 107891#(<= ULTIMATE.start_main_~i~5 29), 107890#(<= ULTIMATE.start_main_~i~5 28), 107893#(<= ULTIMATE.start_main_~i~5 31), 107892#(<= ULTIMATE.start_main_~i~5 30), 107895#(<= ULTIMATE.start_main_~i~5 33), 107894#(<= ULTIMATE.start_main_~i~5 32), 107897#(<= ULTIMATE.start_main_~i~5 35), 107896#(<= ULTIMATE.start_main_~i~5 34), 107899#(<= ULTIMATE.start_main_~i~5 37), 107898#(<= ULTIMATE.start_main_~i~5 36), 107901#(<= ULTIMATE.start_main_~i~5 39), 107900#(<= ULTIMATE.start_main_~i~5 38), 107903#(<= ULTIMATE.start_main_~i~5 41), 107902#(<= ULTIMATE.start_main_~i~5 40), 107905#(<= ULTIMATE.start_main_~i~5 43), 107904#(<= ULTIMATE.start_main_~i~5 42), 107907#(<= ULTIMATE.start_main_~i~5 45), 107906#(<= ULTIMATE.start_main_~i~5 44), 107909#(<= ULTIMATE.start_main_~i~5 47), 107908#(<= ULTIMATE.start_main_~i~5 46), 107911#(<= ULTIMATE.start_main_~i~5 49), 107910#(<= ULTIMATE.start_main_~i~5 48), 107913#(<= ULTIMATE.start_main_~i~5 51), 107912#(<= ULTIMATE.start_main_~i~5 50), 107915#(<= ULTIMATE.start_main_~i~5 53), 107914#(<= ULTIMATE.start_main_~i~5 52), 107917#(<= ULTIMATE.start_main_~i~5 55), 107916#(<= ULTIMATE.start_main_~i~5 54), 107919#(<= ULTIMATE.start_main_~i~5 57), 107918#(<= ULTIMATE.start_main_~i~5 56), 107921#(<= ULTIMATE.start_main_~i~5 59), 107920#(<= ULTIMATE.start_main_~i~5 58), 107923#(<= ULTIMATE.start_main_~i~5 61), 107922#(<= ULTIMATE.start_main_~i~5 60), 107925#(<= ULTIMATE.start_main_~i~5 63), 107924#(<= ULTIMATE.start_main_~i~5 62), 107927#(<= ULTIMATE.start_main_~i~5 65), 107926#(<= ULTIMATE.start_main_~i~5 64), 107929#(<= ULTIMATE.start_main_~i~5 67), 107928#(<= ULTIMATE.start_main_~i~5 66), 107931#(<= ULTIMATE.start_main_~i~5 69), 107930#(<= ULTIMATE.start_main_~i~5 68), 107933#(<= ULTIMATE.start_main_~i~5 71), 107932#(<= ULTIMATE.start_main_~i~5 70), 107935#(<= ULTIMATE.start_main_~i~5 73), 107934#(<= ULTIMATE.start_main_~i~5 72), 107937#(<= ULTIMATE.start_main_~i~5 75), 107936#(<= ULTIMATE.start_main_~i~5 74), 107939#(<= ULTIMATE.start_main_~i~5 77), 107938#(<= ULTIMATE.start_main_~i~5 76), 107941#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 107940#(<= ULTIMATE.start_main_~i~5 78), 107943#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 107942#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 107945#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 107944#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 107947#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 107946#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 107949#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 107948#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 107951#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 107950#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 107953#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 107952#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 107955#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 107954#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 107957#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 107956#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 107959#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 107958#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 107961#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 107960#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 107963#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 107962#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 107965#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 107964#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 107967#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 107966#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 107969#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 107968#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 107971#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 107970#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 107973#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 107972#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 107975#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 107974#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 107977#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 107976#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 107979#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 107978#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 107981#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 107980#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 107983#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 107982#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 107985#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 107984#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 107987#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 107986#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 107989#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 107988#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 107991#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 107990#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 107993#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 107992#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 107995#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 107994#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 107997#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 107996#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 107999#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 107998#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 108001#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 108000#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 108003#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 108002#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 108005#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 108004#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 108007#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 108006#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 108009#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 108008#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 108011#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 108010#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 108013#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 108012#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 108015#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 108014#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 108017#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 108016#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 108019#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 108018#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:47:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12482 backedges. 6320 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:11,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:47:11,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:47:11,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6479, Invalid=18961, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:47:11,216 INFO L87 Difference]: Start difference. First operand 321 states and 322 transitions. Second operand 160 states. [2018-07-23 13:47:12,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:12,055 INFO L93 Difference]: Finished difference Result 485 states and 487 transitions. [2018-07-23 13:47:12,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:47:12,055 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 320 [2018-07-23 13:47:12,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:12,056 INFO L225 Difference]: With dead ends: 485 [2018-07-23 13:47:12,056 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 13:47:12,061 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9165 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15800, Invalid=40606, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:47:12,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 13:47:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-07-23 13:47:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-07-23 13:47:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 324 transitions. [2018-07-23 13:47:12,089 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 324 transitions. Word has length 320 [2018-07-23 13:47:12,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:12,090 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 324 transitions. [2018-07-23 13:47:12,090 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:47:12,090 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 324 transitions. [2018-07-23 13:47:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-07-23 13:47:12,091 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:12,091 INFO L357 BasicCegarLoop]: trace histogram [80, 80, 79, 79, 1, 1, 1, 1] [2018-07-23 13:47:12,091 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:12,091 INFO L82 PathProgramCache]: Analyzing trace with hash -363493197, now seen corresponding path program 119 times [2018-07-23 13:47:12,091 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6320 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:13,005 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:13,005 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:47:13,006 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:13,006 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 13:47:13,006 INFO L185 omatonBuilderFactory]: Interpolants [109825#(<= ULTIMATE.start_main_~i~5 31), 109824#(<= ULTIMATE.start_main_~i~5 30), 109827#(<= ULTIMATE.start_main_~i~5 33), 109826#(<= ULTIMATE.start_main_~i~5 32), 109829#(<= ULTIMATE.start_main_~i~5 35), 109828#(<= ULTIMATE.start_main_~i~5 34), 109831#(<= ULTIMATE.start_main_~i~5 37), 109830#(<= ULTIMATE.start_main_~i~5 36), 109833#(<= ULTIMATE.start_main_~i~5 39), 109832#(<= ULTIMATE.start_main_~i~5 38), 109835#(<= ULTIMATE.start_main_~i~5 41), 109834#(<= ULTIMATE.start_main_~i~5 40), 109837#(<= ULTIMATE.start_main_~i~5 43), 109836#(<= ULTIMATE.start_main_~i~5 42), 109839#(<= ULTIMATE.start_main_~i~5 45), 109838#(<= ULTIMATE.start_main_~i~5 44), 109841#(<= ULTIMATE.start_main_~i~5 47), 109840#(<= ULTIMATE.start_main_~i~5 46), 109843#(<= ULTIMATE.start_main_~i~5 49), 109842#(<= ULTIMATE.start_main_~i~5 48), 109845#(<= ULTIMATE.start_main_~i~5 51), 109844#(<= ULTIMATE.start_main_~i~5 50), 109847#(<= ULTIMATE.start_main_~i~5 53), 109846#(<= ULTIMATE.start_main_~i~5 52), 109849#(<= ULTIMATE.start_main_~i~5 55), 109848#(<= ULTIMATE.start_main_~i~5 54), 109851#(<= ULTIMATE.start_main_~i~5 57), 109850#(<= ULTIMATE.start_main_~i~5 56), 109853#(<= ULTIMATE.start_main_~i~5 59), 109852#(<= ULTIMATE.start_main_~i~5 58), 109855#(<= ULTIMATE.start_main_~i~5 61), 109854#(<= ULTIMATE.start_main_~i~5 60), 109857#(<= ULTIMATE.start_main_~i~5 63), 109856#(<= ULTIMATE.start_main_~i~5 62), 109859#(<= ULTIMATE.start_main_~i~5 65), 109858#(<= ULTIMATE.start_main_~i~5 64), 109861#(<= ULTIMATE.start_main_~i~5 67), 109860#(<= ULTIMATE.start_main_~i~5 66), 109863#(<= ULTIMATE.start_main_~i~5 69), 109862#(<= ULTIMATE.start_main_~i~5 68), 109865#(<= ULTIMATE.start_main_~i~5 71), 109864#(<= ULTIMATE.start_main_~i~5 70), 109867#(<= ULTIMATE.start_main_~i~5 73), 109866#(<= ULTIMATE.start_main_~i~5 72), 109869#(<= ULTIMATE.start_main_~i~5 75), 109868#(<= ULTIMATE.start_main_~i~5 74), 109871#(<= ULTIMATE.start_main_~i~5 77), 109870#(<= ULTIMATE.start_main_~i~5 76), 109873#(<= ULTIMATE.start_main_~i~5 79), 109872#(<= ULTIMATE.start_main_~i~5 78), 109875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 109874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 109877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 109876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 109879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 109878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 109881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 109880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 109883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 109882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 109885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 109884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 109887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 109886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 109889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 109888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 109891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 109890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 109893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 109892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 109895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 109894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 109897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 109896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 109899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 109898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 109901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 109900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 109903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 109902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 109905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 109904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 109907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 109906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 109909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 109908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 109911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 109910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 109913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 109912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 109915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 109914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 109917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 109916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 109919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 109918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 109921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 109920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 109923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 109922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 109925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 109924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 109927#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 109926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 109929#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 109928#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 109931#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 109930#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 109933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 109932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 109935#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 109934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 109937#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 109936#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 109939#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 109938#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 109941#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 109940#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 109943#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 109942#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 109945#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 109944#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 109947#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 109946#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 109949#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 109948#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 109951#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 109950#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 109952#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 109793#false, 109792#true, 109795#(<= ULTIMATE.start_main_~i~5 1), 109794#(<= ULTIMATE.start_main_~i~5 0), 109797#(<= ULTIMATE.start_main_~i~5 3), 109796#(<= ULTIMATE.start_main_~i~5 2), 109799#(<= ULTIMATE.start_main_~i~5 5), 109798#(<= ULTIMATE.start_main_~i~5 4), 109801#(<= ULTIMATE.start_main_~i~5 7), 109800#(<= ULTIMATE.start_main_~i~5 6), 109803#(<= ULTIMATE.start_main_~i~5 9), 109802#(<= ULTIMATE.start_main_~i~5 8), 109805#(<= ULTIMATE.start_main_~i~5 11), 109804#(<= ULTIMATE.start_main_~i~5 10), 109807#(<= ULTIMATE.start_main_~i~5 13), 109806#(<= ULTIMATE.start_main_~i~5 12), 109809#(<= ULTIMATE.start_main_~i~5 15), 109808#(<= ULTIMATE.start_main_~i~5 14), 109811#(<= ULTIMATE.start_main_~i~5 17), 109810#(<= ULTIMATE.start_main_~i~5 16), 109813#(<= ULTIMATE.start_main_~i~5 19), 109812#(<= ULTIMATE.start_main_~i~5 18), 109815#(<= ULTIMATE.start_main_~i~5 21), 109814#(<= ULTIMATE.start_main_~i~5 20), 109817#(<= ULTIMATE.start_main_~i~5 23), 109816#(<= ULTIMATE.start_main_~i~5 22), 109819#(<= ULTIMATE.start_main_~i~5 25), 109818#(<= ULTIMATE.start_main_~i~5 24), 109821#(<= ULTIMATE.start_main_~i~5 27), 109820#(<= ULTIMATE.start_main_~i~5 26), 109823#(<= ULTIMATE.start_main_~i~5 29), 109822#(<= ULTIMATE.start_main_~i~5 28)] [2018-07-23 13:47:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6320 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:13,008 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:47:13,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:47:13,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6560, Invalid=19200, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:47:13,011 INFO L87 Difference]: Start difference. First operand 323 states and 324 transitions. Second operand 161 states. [2018-07-23 13:47:13,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:13,722 INFO L93 Difference]: Finished difference Result 487 states and 489 transitions. [2018-07-23 13:47:13,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:47:13,723 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 322 [2018-07-23 13:47:13,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:13,723 INFO L225 Difference]: With dead ends: 487 [2018-07-23 13:47:13,723 INFO L226 Difference]: Without dead ends: 325 [2018-07-23 13:47:13,727 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9244 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16119, Invalid=41241, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:47:13,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-07-23 13:47:13,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2018-07-23 13:47:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 13:47:13,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 326 transitions. [2018-07-23 13:47:13,748 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 326 transitions. Word has length 322 [2018-07-23 13:47:13,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:13,748 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 326 transitions. [2018-07-23 13:47:13,749 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:47:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 326 transitions. [2018-07-23 13:47:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 13:47:13,749 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:13,749 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 80, 79, 1, 1, 1, 1] [2018-07-23 13:47:13,750 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:13,750 INFO L82 PathProgramCache]: Analyzing trace with hash 319702191, now seen corresponding path program 120 times [2018-07-23 13:47:13,750 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12800 backedges. 6480 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,267 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:14,267 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:47:14,267 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:14,268 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 13:47:14,268 INFO L185 omatonBuilderFactory]: Interpolants [111745#(<= 8 ULTIMATE.start_main_~k~5), 111744#(<= 7 ULTIMATE.start_main_~k~5), 111747#(<= 10 ULTIMATE.start_main_~k~5), 111746#(<= 9 ULTIMATE.start_main_~k~5), 111749#(<= 12 ULTIMATE.start_main_~k~5), 111748#(<= 11 ULTIMATE.start_main_~k~5), 111751#(<= 14 ULTIMATE.start_main_~k~5), 111750#(<= 13 ULTIMATE.start_main_~k~5), 111753#(<= 16 ULTIMATE.start_main_~k~5), 111752#(<= 15 ULTIMATE.start_main_~k~5), 111755#(<= 18 ULTIMATE.start_main_~k~5), 111754#(<= 17 ULTIMATE.start_main_~k~5), 111757#(<= 20 ULTIMATE.start_main_~k~5), 111756#(<= 19 ULTIMATE.start_main_~k~5), 111759#(<= 22 ULTIMATE.start_main_~k~5), 111758#(<= 21 ULTIMATE.start_main_~k~5), 111761#(<= 24 ULTIMATE.start_main_~k~5), 111760#(<= 23 ULTIMATE.start_main_~k~5), 111763#(<= 26 ULTIMATE.start_main_~k~5), 111762#(<= 25 ULTIMATE.start_main_~k~5), 111765#(<= 28 ULTIMATE.start_main_~k~5), 111764#(<= 27 ULTIMATE.start_main_~k~5), 111767#(<= 30 ULTIMATE.start_main_~k~5), 111766#(<= 29 ULTIMATE.start_main_~k~5), 111769#(<= 32 ULTIMATE.start_main_~k~5), 111768#(<= 31 ULTIMATE.start_main_~k~5), 111771#(<= 34 ULTIMATE.start_main_~k~5), 111770#(<= 33 ULTIMATE.start_main_~k~5), 111773#(<= 36 ULTIMATE.start_main_~k~5), 111772#(<= 35 ULTIMATE.start_main_~k~5), 111775#(<= 38 ULTIMATE.start_main_~k~5), 111774#(<= 37 ULTIMATE.start_main_~k~5), 111777#(<= 40 ULTIMATE.start_main_~k~5), 111776#(<= 39 ULTIMATE.start_main_~k~5), 111779#(<= 42 ULTIMATE.start_main_~k~5), 111778#(<= 41 ULTIMATE.start_main_~k~5), 111781#(<= 44 ULTIMATE.start_main_~k~5), 111780#(<= 43 ULTIMATE.start_main_~k~5), 111783#(<= 46 ULTIMATE.start_main_~k~5), 111782#(<= 45 ULTIMATE.start_main_~k~5), 111785#(<= 48 ULTIMATE.start_main_~k~5), 111784#(<= 47 ULTIMATE.start_main_~k~5), 111787#(<= 50 ULTIMATE.start_main_~k~5), 111786#(<= 49 ULTIMATE.start_main_~k~5), 111789#(<= 52 ULTIMATE.start_main_~k~5), 111788#(<= 51 ULTIMATE.start_main_~k~5), 111791#(<= 54 ULTIMATE.start_main_~k~5), 111790#(<= 53 ULTIMATE.start_main_~k~5), 111793#(<= 56 ULTIMATE.start_main_~k~5), 111792#(<= 55 ULTIMATE.start_main_~k~5), 111795#(<= 58 ULTIMATE.start_main_~k~5), 111794#(<= 57 ULTIMATE.start_main_~k~5), 111797#(<= 60 ULTIMATE.start_main_~k~5), 111796#(<= 59 ULTIMATE.start_main_~k~5), 111799#(<= 62 ULTIMATE.start_main_~k~5), 111798#(<= 61 ULTIMATE.start_main_~k~5), 111801#(<= 64 ULTIMATE.start_main_~k~5), 111800#(<= 63 ULTIMATE.start_main_~k~5), 111803#(<= 66 ULTIMATE.start_main_~k~5), 111802#(<= 65 ULTIMATE.start_main_~k~5), 111805#(<= 68 ULTIMATE.start_main_~k~5), 111804#(<= 67 ULTIMATE.start_main_~k~5), 111807#(<= 70 ULTIMATE.start_main_~k~5), 111806#(<= 69 ULTIMATE.start_main_~k~5), 111809#(<= 72 ULTIMATE.start_main_~k~5), 111808#(<= 71 ULTIMATE.start_main_~k~5), 111811#(<= 74 ULTIMATE.start_main_~k~5), 111810#(<= 73 ULTIMATE.start_main_~k~5), 111813#(<= 76 ULTIMATE.start_main_~k~5), 111812#(<= 75 ULTIMATE.start_main_~k~5), 111815#(<= 78 ULTIMATE.start_main_~k~5), 111814#(<= 77 ULTIMATE.start_main_~k~5), 111817#(<= 80 ULTIMATE.start_main_~k~5), 111816#(<= 79 ULTIMATE.start_main_~k~5), 111819#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 111818#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 80 ULTIMATE.start_main_~k~5)), 111735#true, 111737#(<= 0 ULTIMATE.start_main_~k~5), 111736#false, 111739#(<= 2 ULTIMATE.start_main_~k~5), 111738#(<= 1 ULTIMATE.start_main_~k~5), 111741#(<= 4 ULTIMATE.start_main_~k~5), 111740#(<= 3 ULTIMATE.start_main_~k~5), 111743#(<= 6 ULTIMATE.start_main_~k~5), 111742#(<= 5 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 12800 backedges. 6480 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,269 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:47:14,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:47:14,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3488, Invalid=3652, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:47:14,270 INFO L87 Difference]: Start difference. First operand 325 states and 326 transitions. Second operand 85 states. [2018-07-23 13:47:14,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:14,627 INFO L93 Difference]: Finished difference Result 331 states and 333 transitions. [2018-07-23 13:47:14,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:47:14,627 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 324 [2018-07-23 13:47:14,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:14,628 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:47:14,628 INFO L226 Difference]: Without dead ends: 329 [2018-07-23 13:47:14,630 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6561 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10293, Invalid=17097, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:47:14,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-07-23 13:47:14,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-07-23 13:47:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 13:47:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 330 transitions. [2018-07-23 13:47:14,655 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 330 transitions. Word has length 324 [2018-07-23 13:47:14,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:14,655 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 330 transitions. [2018-07-23 13:47:14,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:47:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 330 transitions. [2018-07-23 13:47:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-07-23 13:47:14,656 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:14,657 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 81, 80, 1, 1, 1, 1] [2018-07-23 13:47:14,657 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:14,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1494304861, now seen corresponding path program 121 times [2018-07-23 13:47:14,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 13122 backedges. 6642 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:15,658 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:15,658 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:47:15,658 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:15,659 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 13:47:15,659 INFO L185 omatonBuilderFactory]: Interpolants [113409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 113408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 113411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 113410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 113413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 113412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 113415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 113414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 113417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 113416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 113419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 113418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 113421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 113420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 113423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 113422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 113425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 113424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 113427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 113426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 113429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 113428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 113431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 113430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 113433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 113432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 113435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 113434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 113437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 113436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 113439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 113438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 113441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 113440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 113443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 113442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 113445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 113444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 113447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 113446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 113449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 113448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 113451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 113450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 113453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 113452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 113455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 113454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 113457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 113456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 113459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 113458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 113461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 113460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 113463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 113462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 113465#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 113464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 113303#false, 113302#true, 113305#(<= ULTIMATE.start_main_~i~5 1), 113304#(<= ULTIMATE.start_main_~i~5 0), 113307#(<= ULTIMATE.start_main_~i~5 3), 113306#(<= ULTIMATE.start_main_~i~5 2), 113309#(<= ULTIMATE.start_main_~i~5 5), 113308#(<= ULTIMATE.start_main_~i~5 4), 113311#(<= ULTIMATE.start_main_~i~5 7), 113310#(<= ULTIMATE.start_main_~i~5 6), 113313#(<= ULTIMATE.start_main_~i~5 9), 113312#(<= ULTIMATE.start_main_~i~5 8), 113315#(<= ULTIMATE.start_main_~i~5 11), 113314#(<= ULTIMATE.start_main_~i~5 10), 113317#(<= ULTIMATE.start_main_~i~5 13), 113316#(<= ULTIMATE.start_main_~i~5 12), 113319#(<= ULTIMATE.start_main_~i~5 15), 113318#(<= ULTIMATE.start_main_~i~5 14), 113321#(<= ULTIMATE.start_main_~i~5 17), 113320#(<= ULTIMATE.start_main_~i~5 16), 113323#(<= ULTIMATE.start_main_~i~5 19), 113322#(<= ULTIMATE.start_main_~i~5 18), 113325#(<= ULTIMATE.start_main_~i~5 21), 113324#(<= ULTIMATE.start_main_~i~5 20), 113327#(<= ULTIMATE.start_main_~i~5 23), 113326#(<= ULTIMATE.start_main_~i~5 22), 113329#(<= ULTIMATE.start_main_~i~5 25), 113328#(<= ULTIMATE.start_main_~i~5 24), 113331#(<= ULTIMATE.start_main_~i~5 27), 113330#(<= ULTIMATE.start_main_~i~5 26), 113333#(<= ULTIMATE.start_main_~i~5 29), 113332#(<= ULTIMATE.start_main_~i~5 28), 113335#(<= ULTIMATE.start_main_~i~5 31), 113334#(<= ULTIMATE.start_main_~i~5 30), 113337#(<= ULTIMATE.start_main_~i~5 33), 113336#(<= ULTIMATE.start_main_~i~5 32), 113339#(<= ULTIMATE.start_main_~i~5 35), 113338#(<= ULTIMATE.start_main_~i~5 34), 113341#(<= ULTIMATE.start_main_~i~5 37), 113340#(<= ULTIMATE.start_main_~i~5 36), 113343#(<= ULTIMATE.start_main_~i~5 39), 113342#(<= ULTIMATE.start_main_~i~5 38), 113345#(<= ULTIMATE.start_main_~i~5 41), 113344#(<= ULTIMATE.start_main_~i~5 40), 113347#(<= ULTIMATE.start_main_~i~5 43), 113346#(<= ULTIMATE.start_main_~i~5 42), 113349#(<= ULTIMATE.start_main_~i~5 45), 113348#(<= ULTIMATE.start_main_~i~5 44), 113351#(<= ULTIMATE.start_main_~i~5 47), 113350#(<= ULTIMATE.start_main_~i~5 46), 113353#(<= ULTIMATE.start_main_~i~5 49), 113352#(<= ULTIMATE.start_main_~i~5 48), 113355#(<= ULTIMATE.start_main_~i~5 51), 113354#(<= ULTIMATE.start_main_~i~5 50), 113357#(<= ULTIMATE.start_main_~i~5 53), 113356#(<= ULTIMATE.start_main_~i~5 52), 113359#(<= ULTIMATE.start_main_~i~5 55), 113358#(<= ULTIMATE.start_main_~i~5 54), 113361#(<= ULTIMATE.start_main_~i~5 57), 113360#(<= ULTIMATE.start_main_~i~5 56), 113363#(<= ULTIMATE.start_main_~i~5 59), 113362#(<= ULTIMATE.start_main_~i~5 58), 113365#(<= ULTIMATE.start_main_~i~5 61), 113364#(<= ULTIMATE.start_main_~i~5 60), 113367#(<= ULTIMATE.start_main_~i~5 63), 113366#(<= ULTIMATE.start_main_~i~5 62), 113369#(<= ULTIMATE.start_main_~i~5 65), 113368#(<= ULTIMATE.start_main_~i~5 64), 113371#(<= ULTIMATE.start_main_~i~5 67), 113370#(<= ULTIMATE.start_main_~i~5 66), 113373#(<= ULTIMATE.start_main_~i~5 69), 113372#(<= ULTIMATE.start_main_~i~5 68), 113375#(<= ULTIMATE.start_main_~i~5 71), 113374#(<= ULTIMATE.start_main_~i~5 70), 113377#(<= ULTIMATE.start_main_~i~5 73), 113376#(<= ULTIMATE.start_main_~i~5 72), 113379#(<= ULTIMATE.start_main_~i~5 75), 113378#(<= ULTIMATE.start_main_~i~5 74), 113381#(<= ULTIMATE.start_main_~i~5 77), 113380#(<= ULTIMATE.start_main_~i~5 76), 113383#(<= ULTIMATE.start_main_~i~5 79), 113382#(<= ULTIMATE.start_main_~i~5 78), 113385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 113384#(<= ULTIMATE.start_main_~i~5 80), 113387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 113386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 113389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 113388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 113391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 113390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 113393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 113392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 113395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 113394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 113397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 113396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 113399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 113398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 113401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 113400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 113403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 113402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 113405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 113404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 113407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 113406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59))] [2018-07-23 13:47:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 13122 backedges. 6642 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:15,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:47:15,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:47:15,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6805, Invalid=19927, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:47:15,663 INFO L87 Difference]: Start difference. First operand 329 states and 330 transitions. Second operand 164 states. [2018-07-23 13:47:16,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:16,635 INFO L93 Difference]: Finished difference Result 497 states and 499 transitions. [2018-07-23 13:47:16,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:47:16,635 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 328 [2018-07-23 13:47:16,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:16,636 INFO L225 Difference]: With dead ends: 497 [2018-07-23 13:47:16,636 INFO L226 Difference]: Without dead ends: 331 [2018-07-23 13:47:16,639 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9640 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=16605, Invalid=42687, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:47:16,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-07-23 13:47:16,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-07-23 13:47:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-07-23 13:47:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 332 transitions. [2018-07-23 13:47:16,661 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 332 transitions. Word has length 328 [2018-07-23 13:47:16,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:16,662 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 332 transitions. [2018-07-23 13:47:16,662 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:47:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 332 transitions. [2018-07-23 13:47:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-07-23 13:47:16,663 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:16,663 INFO L357 BasicCegarLoop]: trace histogram [82, 82, 81, 81, 1, 1, 1, 1] [2018-07-23 13:47:16,663 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:16,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1517189473, now seen corresponding path program 122 times [2018-07-23 13:47:16,664 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 6642 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:17,604 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:17,604 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:47:17,605 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:17,605 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 13:47:17,605 INFO L185 omatonBuilderFactory]: Interpolants [115283#false, 115282#true, 115285#(<= ULTIMATE.start_main_~i~5 1), 115284#(<= ULTIMATE.start_main_~i~5 0), 115287#(<= ULTIMATE.start_main_~i~5 3), 115286#(<= ULTIMATE.start_main_~i~5 2), 115289#(<= ULTIMATE.start_main_~i~5 5), 115288#(<= ULTIMATE.start_main_~i~5 4), 115291#(<= ULTIMATE.start_main_~i~5 7), 115290#(<= ULTIMATE.start_main_~i~5 6), 115293#(<= ULTIMATE.start_main_~i~5 9), 115292#(<= ULTIMATE.start_main_~i~5 8), 115295#(<= ULTIMATE.start_main_~i~5 11), 115294#(<= ULTIMATE.start_main_~i~5 10), 115297#(<= ULTIMATE.start_main_~i~5 13), 115296#(<= ULTIMATE.start_main_~i~5 12), 115299#(<= ULTIMATE.start_main_~i~5 15), 115298#(<= ULTIMATE.start_main_~i~5 14), 115301#(<= ULTIMATE.start_main_~i~5 17), 115300#(<= ULTIMATE.start_main_~i~5 16), 115303#(<= ULTIMATE.start_main_~i~5 19), 115302#(<= ULTIMATE.start_main_~i~5 18), 115305#(<= ULTIMATE.start_main_~i~5 21), 115304#(<= ULTIMATE.start_main_~i~5 20), 115307#(<= ULTIMATE.start_main_~i~5 23), 115306#(<= ULTIMATE.start_main_~i~5 22), 115309#(<= ULTIMATE.start_main_~i~5 25), 115308#(<= ULTIMATE.start_main_~i~5 24), 115311#(<= ULTIMATE.start_main_~i~5 27), 115310#(<= ULTIMATE.start_main_~i~5 26), 115313#(<= ULTIMATE.start_main_~i~5 29), 115312#(<= ULTIMATE.start_main_~i~5 28), 115315#(<= ULTIMATE.start_main_~i~5 31), 115314#(<= ULTIMATE.start_main_~i~5 30), 115317#(<= ULTIMATE.start_main_~i~5 33), 115316#(<= ULTIMATE.start_main_~i~5 32), 115319#(<= ULTIMATE.start_main_~i~5 35), 115318#(<= ULTIMATE.start_main_~i~5 34), 115321#(<= ULTIMATE.start_main_~i~5 37), 115320#(<= ULTIMATE.start_main_~i~5 36), 115323#(<= ULTIMATE.start_main_~i~5 39), 115322#(<= ULTIMATE.start_main_~i~5 38), 115325#(<= ULTIMATE.start_main_~i~5 41), 115324#(<= ULTIMATE.start_main_~i~5 40), 115327#(<= ULTIMATE.start_main_~i~5 43), 115326#(<= ULTIMATE.start_main_~i~5 42), 115329#(<= ULTIMATE.start_main_~i~5 45), 115328#(<= ULTIMATE.start_main_~i~5 44), 115331#(<= ULTIMATE.start_main_~i~5 47), 115330#(<= ULTIMATE.start_main_~i~5 46), 115333#(<= ULTIMATE.start_main_~i~5 49), 115332#(<= ULTIMATE.start_main_~i~5 48), 115335#(<= ULTIMATE.start_main_~i~5 51), 115334#(<= ULTIMATE.start_main_~i~5 50), 115337#(<= ULTIMATE.start_main_~i~5 53), 115336#(<= ULTIMATE.start_main_~i~5 52), 115339#(<= ULTIMATE.start_main_~i~5 55), 115338#(<= ULTIMATE.start_main_~i~5 54), 115341#(<= ULTIMATE.start_main_~i~5 57), 115340#(<= ULTIMATE.start_main_~i~5 56), 115343#(<= ULTIMATE.start_main_~i~5 59), 115342#(<= ULTIMATE.start_main_~i~5 58), 115345#(<= ULTIMATE.start_main_~i~5 61), 115344#(<= ULTIMATE.start_main_~i~5 60), 115347#(<= ULTIMATE.start_main_~i~5 63), 115346#(<= ULTIMATE.start_main_~i~5 62), 115349#(<= ULTIMATE.start_main_~i~5 65), 115348#(<= ULTIMATE.start_main_~i~5 64), 115351#(<= ULTIMATE.start_main_~i~5 67), 115350#(<= ULTIMATE.start_main_~i~5 66), 115353#(<= ULTIMATE.start_main_~i~5 69), 115352#(<= ULTIMATE.start_main_~i~5 68), 115355#(<= ULTIMATE.start_main_~i~5 71), 115354#(<= ULTIMATE.start_main_~i~5 70), 115357#(<= ULTIMATE.start_main_~i~5 73), 115356#(<= ULTIMATE.start_main_~i~5 72), 115359#(<= ULTIMATE.start_main_~i~5 75), 115358#(<= ULTIMATE.start_main_~i~5 74), 115361#(<= ULTIMATE.start_main_~i~5 77), 115360#(<= ULTIMATE.start_main_~i~5 76), 115363#(<= ULTIMATE.start_main_~i~5 79), 115362#(<= ULTIMATE.start_main_~i~5 78), 115365#(<= ULTIMATE.start_main_~i~5 81), 115364#(<= ULTIMATE.start_main_~i~5 80), 115367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 115366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 115369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 115368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 115371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 115370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 115373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 115372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 115375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 115374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 115377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 115376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 115379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 115378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 115381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 115380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 115383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 115382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 115385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 115384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 115387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 115386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 115389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 115388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 115391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 115390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 115393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 115392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 115395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 115394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 115397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 115396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 115399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 115398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 115401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 115400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 115403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 115402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 115405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 115404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 115407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 115406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 115409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 115408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 115411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 115410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 115413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 115412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 115415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 115414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 115417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 115416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 115419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 115418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 115421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 115420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 115423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 115422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 115425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 115424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 115427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 115426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 115429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 115428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 115431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 115430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 115433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 115432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 115435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 115434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 115437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 115436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 115439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 115438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 115441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 115440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 115443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 115442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 115445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 115444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 115446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:47:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 6642 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:17,606 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:47:17,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:47:17,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6888, Invalid=20172, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:47:17,608 INFO L87 Difference]: Start difference. First operand 331 states and 332 transitions. Second operand 165 states. [2018-07-23 13:47:18,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:18,419 INFO L93 Difference]: Finished difference Result 499 states and 501 transitions. [2018-07-23 13:47:18,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:47:18,419 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 330 [2018-07-23 13:47:18,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:18,420 INFO L225 Difference]: With dead ends: 499 [2018-07-23 13:47:18,420 INFO L226 Difference]: Without dead ends: 333 [2018-07-23 13:47:18,426 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9721 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16932, Invalid=43338, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:47:18,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-07-23 13:47:18,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-07-23 13:47:18,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-07-23 13:47:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 334 transitions. [2018-07-23 13:47:18,459 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 334 transitions. Word has length 330 [2018-07-23 13:47:18,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:18,459 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 334 transitions. [2018-07-23 13:47:18,459 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:47:18,459 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 334 transitions. [2018-07-23 13:47:18,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-07-23 13:47:18,460 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:18,460 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 82, 81, 1, 1, 1, 1] [2018-07-23 13:47:18,460 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:18,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2034465125, now seen corresponding path program 123 times [2018-07-23 13:47:18,460 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13448 backedges. 6806 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:19,011 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:19,011 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:47:19,011 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:19,012 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 13:47:19,012 INFO L185 omatonBuilderFactory]: Interpolants [117273#true, 117275#(<= 0 ULTIMATE.start_main_~k~5), 117274#false, 117277#(<= 2 ULTIMATE.start_main_~k~5), 117276#(<= 1 ULTIMATE.start_main_~k~5), 117279#(<= 4 ULTIMATE.start_main_~k~5), 117278#(<= 3 ULTIMATE.start_main_~k~5), 117281#(<= 6 ULTIMATE.start_main_~k~5), 117280#(<= 5 ULTIMATE.start_main_~k~5), 117283#(<= 8 ULTIMATE.start_main_~k~5), 117282#(<= 7 ULTIMATE.start_main_~k~5), 117285#(<= 10 ULTIMATE.start_main_~k~5), 117284#(<= 9 ULTIMATE.start_main_~k~5), 117287#(<= 12 ULTIMATE.start_main_~k~5), 117286#(<= 11 ULTIMATE.start_main_~k~5), 117289#(<= 14 ULTIMATE.start_main_~k~5), 117288#(<= 13 ULTIMATE.start_main_~k~5), 117291#(<= 16 ULTIMATE.start_main_~k~5), 117290#(<= 15 ULTIMATE.start_main_~k~5), 117293#(<= 18 ULTIMATE.start_main_~k~5), 117292#(<= 17 ULTIMATE.start_main_~k~5), 117295#(<= 20 ULTIMATE.start_main_~k~5), 117294#(<= 19 ULTIMATE.start_main_~k~5), 117297#(<= 22 ULTIMATE.start_main_~k~5), 117296#(<= 21 ULTIMATE.start_main_~k~5), 117299#(<= 24 ULTIMATE.start_main_~k~5), 117298#(<= 23 ULTIMATE.start_main_~k~5), 117301#(<= 26 ULTIMATE.start_main_~k~5), 117300#(<= 25 ULTIMATE.start_main_~k~5), 117303#(<= 28 ULTIMATE.start_main_~k~5), 117302#(<= 27 ULTIMATE.start_main_~k~5), 117305#(<= 30 ULTIMATE.start_main_~k~5), 117304#(<= 29 ULTIMATE.start_main_~k~5), 117307#(<= 32 ULTIMATE.start_main_~k~5), 117306#(<= 31 ULTIMATE.start_main_~k~5), 117309#(<= 34 ULTIMATE.start_main_~k~5), 117308#(<= 33 ULTIMATE.start_main_~k~5), 117311#(<= 36 ULTIMATE.start_main_~k~5), 117310#(<= 35 ULTIMATE.start_main_~k~5), 117313#(<= 38 ULTIMATE.start_main_~k~5), 117312#(<= 37 ULTIMATE.start_main_~k~5), 117315#(<= 40 ULTIMATE.start_main_~k~5), 117314#(<= 39 ULTIMATE.start_main_~k~5), 117317#(<= 42 ULTIMATE.start_main_~k~5), 117316#(<= 41 ULTIMATE.start_main_~k~5), 117319#(<= 44 ULTIMATE.start_main_~k~5), 117318#(<= 43 ULTIMATE.start_main_~k~5), 117321#(<= 46 ULTIMATE.start_main_~k~5), 117320#(<= 45 ULTIMATE.start_main_~k~5), 117323#(<= 48 ULTIMATE.start_main_~k~5), 117322#(<= 47 ULTIMATE.start_main_~k~5), 117325#(<= 50 ULTIMATE.start_main_~k~5), 117324#(<= 49 ULTIMATE.start_main_~k~5), 117327#(<= 52 ULTIMATE.start_main_~k~5), 117326#(<= 51 ULTIMATE.start_main_~k~5), 117329#(<= 54 ULTIMATE.start_main_~k~5), 117328#(<= 53 ULTIMATE.start_main_~k~5), 117331#(<= 56 ULTIMATE.start_main_~k~5), 117330#(<= 55 ULTIMATE.start_main_~k~5), 117333#(<= 58 ULTIMATE.start_main_~k~5), 117332#(<= 57 ULTIMATE.start_main_~k~5), 117335#(<= 60 ULTIMATE.start_main_~k~5), 117334#(<= 59 ULTIMATE.start_main_~k~5), 117337#(<= 62 ULTIMATE.start_main_~k~5), 117336#(<= 61 ULTIMATE.start_main_~k~5), 117339#(<= 64 ULTIMATE.start_main_~k~5), 117338#(<= 63 ULTIMATE.start_main_~k~5), 117341#(<= 66 ULTIMATE.start_main_~k~5), 117340#(<= 65 ULTIMATE.start_main_~k~5), 117343#(<= 68 ULTIMATE.start_main_~k~5), 117342#(<= 67 ULTIMATE.start_main_~k~5), 117345#(<= 70 ULTIMATE.start_main_~k~5), 117344#(<= 69 ULTIMATE.start_main_~k~5), 117347#(<= 72 ULTIMATE.start_main_~k~5), 117346#(<= 71 ULTIMATE.start_main_~k~5), 117349#(<= 74 ULTIMATE.start_main_~k~5), 117348#(<= 73 ULTIMATE.start_main_~k~5), 117351#(<= 76 ULTIMATE.start_main_~k~5), 117350#(<= 75 ULTIMATE.start_main_~k~5), 117353#(<= 78 ULTIMATE.start_main_~k~5), 117352#(<= 77 ULTIMATE.start_main_~k~5), 117355#(<= 80 ULTIMATE.start_main_~k~5), 117354#(<= 79 ULTIMATE.start_main_~k~5), 117357#(<= 82 ULTIMATE.start_main_~k~5), 117356#(<= 81 ULTIMATE.start_main_~k~5), 117359#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 117358#(and (<= 82 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)))] [2018-07-23 13:47:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 13448 backedges. 6806 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:19,013 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:47:19,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:47:19,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3657, Invalid=3825, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:47:19,013 INFO L87 Difference]: Start difference. First operand 333 states and 334 transitions. Second operand 87 states. [2018-07-23 13:47:19,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:19,352 INFO L93 Difference]: Finished difference Result 339 states and 341 transitions. [2018-07-23 13:47:19,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:47:19,352 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 332 [2018-07-23 13:47:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:19,353 INFO L225 Difference]: With dead ends: 339 [2018-07-23 13:47:19,353 INFO L226 Difference]: Without dead ends: 337 [2018-07-23 13:47:19,354 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6889 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10796, Invalid=17934, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:47:19,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-07-23 13:47:19,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-07-23 13:47:19,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-07-23 13:47:19,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 338 transitions. [2018-07-23 13:47:19,378 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 338 transitions. Word has length 332 [2018-07-23 13:47:19,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:19,379 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 338 transitions. [2018-07-23 13:47:19,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:47:19,379 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 338 transitions. [2018-07-23 13:47:19,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-07-23 13:47:19,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:19,380 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 83, 82, 1, 1, 1, 1] [2018-07-23 13:47:19,380 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:19,380 INFO L82 PathProgramCache]: Analyzing trace with hash 881992591, now seen corresponding path program 124 times [2018-07-23 13:47:19,380 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13778 backedges. 6972 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:20,316 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:20,316 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:47:20,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:20,316 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 13:47:20,317 INFO L185 omatonBuilderFactory]: Interpolants [119041#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 119040#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 119043#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 119042#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 119045#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 119044#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 118879#false, 118878#true, 118881#(<= ULTIMATE.start_main_~i~5 1), 118880#(<= ULTIMATE.start_main_~i~5 0), 118883#(<= ULTIMATE.start_main_~i~5 3), 118882#(<= ULTIMATE.start_main_~i~5 2), 118885#(<= ULTIMATE.start_main_~i~5 5), 118884#(<= ULTIMATE.start_main_~i~5 4), 118887#(<= ULTIMATE.start_main_~i~5 7), 118886#(<= ULTIMATE.start_main_~i~5 6), 118889#(<= ULTIMATE.start_main_~i~5 9), 118888#(<= ULTIMATE.start_main_~i~5 8), 118891#(<= ULTIMATE.start_main_~i~5 11), 118890#(<= ULTIMATE.start_main_~i~5 10), 118893#(<= ULTIMATE.start_main_~i~5 13), 118892#(<= ULTIMATE.start_main_~i~5 12), 118895#(<= ULTIMATE.start_main_~i~5 15), 118894#(<= ULTIMATE.start_main_~i~5 14), 118897#(<= ULTIMATE.start_main_~i~5 17), 118896#(<= ULTIMATE.start_main_~i~5 16), 118899#(<= ULTIMATE.start_main_~i~5 19), 118898#(<= ULTIMATE.start_main_~i~5 18), 118901#(<= ULTIMATE.start_main_~i~5 21), 118900#(<= ULTIMATE.start_main_~i~5 20), 118903#(<= ULTIMATE.start_main_~i~5 23), 118902#(<= ULTIMATE.start_main_~i~5 22), 118905#(<= ULTIMATE.start_main_~i~5 25), 118904#(<= ULTIMATE.start_main_~i~5 24), 118907#(<= ULTIMATE.start_main_~i~5 27), 118906#(<= ULTIMATE.start_main_~i~5 26), 118909#(<= ULTIMATE.start_main_~i~5 29), 118908#(<= ULTIMATE.start_main_~i~5 28), 118911#(<= ULTIMATE.start_main_~i~5 31), 118910#(<= ULTIMATE.start_main_~i~5 30), 118913#(<= ULTIMATE.start_main_~i~5 33), 118912#(<= ULTIMATE.start_main_~i~5 32), 118915#(<= ULTIMATE.start_main_~i~5 35), 118914#(<= ULTIMATE.start_main_~i~5 34), 118917#(<= ULTIMATE.start_main_~i~5 37), 118916#(<= ULTIMATE.start_main_~i~5 36), 118919#(<= ULTIMATE.start_main_~i~5 39), 118918#(<= ULTIMATE.start_main_~i~5 38), 118921#(<= ULTIMATE.start_main_~i~5 41), 118920#(<= ULTIMATE.start_main_~i~5 40), 118923#(<= ULTIMATE.start_main_~i~5 43), 118922#(<= ULTIMATE.start_main_~i~5 42), 118925#(<= ULTIMATE.start_main_~i~5 45), 118924#(<= ULTIMATE.start_main_~i~5 44), 118927#(<= ULTIMATE.start_main_~i~5 47), 118926#(<= ULTIMATE.start_main_~i~5 46), 118929#(<= ULTIMATE.start_main_~i~5 49), 118928#(<= ULTIMATE.start_main_~i~5 48), 118931#(<= ULTIMATE.start_main_~i~5 51), 118930#(<= ULTIMATE.start_main_~i~5 50), 118933#(<= ULTIMATE.start_main_~i~5 53), 118932#(<= ULTIMATE.start_main_~i~5 52), 118935#(<= ULTIMATE.start_main_~i~5 55), 118934#(<= ULTIMATE.start_main_~i~5 54), 118937#(<= ULTIMATE.start_main_~i~5 57), 118936#(<= ULTIMATE.start_main_~i~5 56), 118939#(<= ULTIMATE.start_main_~i~5 59), 118938#(<= ULTIMATE.start_main_~i~5 58), 118941#(<= ULTIMATE.start_main_~i~5 61), 118940#(<= ULTIMATE.start_main_~i~5 60), 118943#(<= ULTIMATE.start_main_~i~5 63), 118942#(<= ULTIMATE.start_main_~i~5 62), 118945#(<= ULTIMATE.start_main_~i~5 65), 118944#(<= ULTIMATE.start_main_~i~5 64), 118947#(<= ULTIMATE.start_main_~i~5 67), 118946#(<= ULTIMATE.start_main_~i~5 66), 118949#(<= ULTIMATE.start_main_~i~5 69), 118948#(<= ULTIMATE.start_main_~i~5 68), 118951#(<= ULTIMATE.start_main_~i~5 71), 118950#(<= ULTIMATE.start_main_~i~5 70), 118953#(<= ULTIMATE.start_main_~i~5 73), 118952#(<= ULTIMATE.start_main_~i~5 72), 118955#(<= ULTIMATE.start_main_~i~5 75), 118954#(<= ULTIMATE.start_main_~i~5 74), 118957#(<= ULTIMATE.start_main_~i~5 77), 118956#(<= ULTIMATE.start_main_~i~5 76), 118959#(<= ULTIMATE.start_main_~i~5 79), 118958#(<= ULTIMATE.start_main_~i~5 78), 118961#(<= ULTIMATE.start_main_~i~5 81), 118960#(<= ULTIMATE.start_main_~i~5 80), 118963#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 118962#(<= ULTIMATE.start_main_~i~5 82), 118965#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 118964#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 118967#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 118966#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 118969#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 118968#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 118971#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 118970#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 118973#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 118972#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 118975#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 118974#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 118977#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 118976#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 118979#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 118978#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 118981#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 118980#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 118983#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 118982#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 118985#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 118984#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 118987#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 118986#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 118989#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 118988#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 118991#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 118990#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 118993#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 118992#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 118995#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 118994#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 118997#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 118996#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 118999#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 118998#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 119001#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 119000#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 119003#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 119002#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 119005#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 119004#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 119007#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 119006#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 119009#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 119008#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 119011#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 119010#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 119013#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 119012#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 119015#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 119014#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 119017#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 119016#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 119019#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 119018#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 119021#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 119020#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 119023#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 119022#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 119025#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 119024#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 119027#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 119026#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 119029#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 119028#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 119031#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 119030#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 119033#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 119032#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 119035#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 119034#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 119037#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 119036#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 119039#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 119038#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7))] [2018-07-23 13:47:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 13778 backedges. 6972 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:20,318 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:47:20,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:47:20,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7139, Invalid=20917, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:47:20,320 INFO L87 Difference]: Start difference. First operand 337 states and 338 transitions. Second operand 168 states. [2018-07-23 13:47:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:21,164 INFO L93 Difference]: Finished difference Result 509 states and 511 transitions. [2018-07-23 13:47:21,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:47:21,164 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 336 [2018-07-23 13:47:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:21,165 INFO L225 Difference]: With dead ends: 509 [2018-07-23 13:47:21,165 INFO L226 Difference]: Without dead ends: 339 [2018-07-23 13:47:21,167 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10127 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17430, Invalid=44820, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:47:21,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-07-23 13:47:21,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2018-07-23 13:47:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-07-23 13:47:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 340 transitions. [2018-07-23 13:47:21,190 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 340 transitions. Word has length 336 [2018-07-23 13:47:21,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:21,190 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 340 transitions. [2018-07-23 13:47:21,191 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:47:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 340 transitions. [2018-07-23 13:47:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-07-23 13:47:21,192 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:21,192 INFO L357 BasicCegarLoop]: trace histogram [84, 84, 83, 83, 1, 1, 1, 1] [2018-07-23 13:47:21,192 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:21,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1977890443, now seen corresponding path program 125 times [2018-07-23 13:47:21,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 6972 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:22,161 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:22,161 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:47:22,161 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:22,162 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 13:47:22,162 INFO L185 omatonBuilderFactory]: Interpolants [120907#false, 120906#true, 120909#(<= ULTIMATE.start_main_~i~5 1), 120908#(<= ULTIMATE.start_main_~i~5 0), 120911#(<= ULTIMATE.start_main_~i~5 3), 120910#(<= ULTIMATE.start_main_~i~5 2), 120913#(<= ULTIMATE.start_main_~i~5 5), 120912#(<= ULTIMATE.start_main_~i~5 4), 120915#(<= ULTIMATE.start_main_~i~5 7), 120914#(<= ULTIMATE.start_main_~i~5 6), 120917#(<= ULTIMATE.start_main_~i~5 9), 120916#(<= ULTIMATE.start_main_~i~5 8), 120919#(<= ULTIMATE.start_main_~i~5 11), 120918#(<= ULTIMATE.start_main_~i~5 10), 120921#(<= ULTIMATE.start_main_~i~5 13), 120920#(<= ULTIMATE.start_main_~i~5 12), 120923#(<= ULTIMATE.start_main_~i~5 15), 120922#(<= ULTIMATE.start_main_~i~5 14), 120925#(<= ULTIMATE.start_main_~i~5 17), 120924#(<= ULTIMATE.start_main_~i~5 16), 120927#(<= ULTIMATE.start_main_~i~5 19), 120926#(<= ULTIMATE.start_main_~i~5 18), 120929#(<= ULTIMATE.start_main_~i~5 21), 120928#(<= ULTIMATE.start_main_~i~5 20), 120931#(<= ULTIMATE.start_main_~i~5 23), 120930#(<= ULTIMATE.start_main_~i~5 22), 120933#(<= ULTIMATE.start_main_~i~5 25), 120932#(<= ULTIMATE.start_main_~i~5 24), 120935#(<= ULTIMATE.start_main_~i~5 27), 120934#(<= ULTIMATE.start_main_~i~5 26), 120937#(<= ULTIMATE.start_main_~i~5 29), 120936#(<= ULTIMATE.start_main_~i~5 28), 120939#(<= ULTIMATE.start_main_~i~5 31), 120938#(<= ULTIMATE.start_main_~i~5 30), 120941#(<= ULTIMATE.start_main_~i~5 33), 120940#(<= ULTIMATE.start_main_~i~5 32), 120943#(<= ULTIMATE.start_main_~i~5 35), 120942#(<= ULTIMATE.start_main_~i~5 34), 120945#(<= ULTIMATE.start_main_~i~5 37), 120944#(<= ULTIMATE.start_main_~i~5 36), 120947#(<= ULTIMATE.start_main_~i~5 39), 120946#(<= ULTIMATE.start_main_~i~5 38), 120949#(<= ULTIMATE.start_main_~i~5 41), 120948#(<= ULTIMATE.start_main_~i~5 40), 120951#(<= ULTIMATE.start_main_~i~5 43), 120950#(<= ULTIMATE.start_main_~i~5 42), 120953#(<= ULTIMATE.start_main_~i~5 45), 120952#(<= ULTIMATE.start_main_~i~5 44), 120955#(<= ULTIMATE.start_main_~i~5 47), 120954#(<= ULTIMATE.start_main_~i~5 46), 120957#(<= ULTIMATE.start_main_~i~5 49), 120956#(<= ULTIMATE.start_main_~i~5 48), 120959#(<= ULTIMATE.start_main_~i~5 51), 120958#(<= ULTIMATE.start_main_~i~5 50), 120961#(<= ULTIMATE.start_main_~i~5 53), 120960#(<= ULTIMATE.start_main_~i~5 52), 120963#(<= ULTIMATE.start_main_~i~5 55), 120962#(<= ULTIMATE.start_main_~i~5 54), 120965#(<= ULTIMATE.start_main_~i~5 57), 120964#(<= ULTIMATE.start_main_~i~5 56), 120967#(<= ULTIMATE.start_main_~i~5 59), 120966#(<= ULTIMATE.start_main_~i~5 58), 120969#(<= ULTIMATE.start_main_~i~5 61), 120968#(<= ULTIMATE.start_main_~i~5 60), 120971#(<= ULTIMATE.start_main_~i~5 63), 120970#(<= ULTIMATE.start_main_~i~5 62), 120973#(<= ULTIMATE.start_main_~i~5 65), 120972#(<= ULTIMATE.start_main_~i~5 64), 120975#(<= ULTIMATE.start_main_~i~5 67), 120974#(<= ULTIMATE.start_main_~i~5 66), 120977#(<= ULTIMATE.start_main_~i~5 69), 120976#(<= ULTIMATE.start_main_~i~5 68), 120979#(<= ULTIMATE.start_main_~i~5 71), 120978#(<= ULTIMATE.start_main_~i~5 70), 120981#(<= ULTIMATE.start_main_~i~5 73), 120980#(<= ULTIMATE.start_main_~i~5 72), 120983#(<= ULTIMATE.start_main_~i~5 75), 120982#(<= ULTIMATE.start_main_~i~5 74), 120985#(<= ULTIMATE.start_main_~i~5 77), 120984#(<= ULTIMATE.start_main_~i~5 76), 120987#(<= ULTIMATE.start_main_~i~5 79), 120986#(<= ULTIMATE.start_main_~i~5 78), 120989#(<= ULTIMATE.start_main_~i~5 81), 120988#(<= ULTIMATE.start_main_~i~5 80), 120991#(<= ULTIMATE.start_main_~i~5 83), 120990#(<= ULTIMATE.start_main_~i~5 82), 120993#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 120992#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 120995#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 120994#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 120997#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 120996#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 120999#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 120998#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 121001#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 121000#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 121003#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 121002#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 121005#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 121004#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 121007#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 121006#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 121009#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 121008#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 121011#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 121010#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 121013#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 121012#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 121015#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 121014#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 121017#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 121016#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 121019#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 121018#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 121021#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 121020#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 121023#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 121022#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 121025#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 121024#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 121027#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 121026#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 121029#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 121028#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 121031#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 121030#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 121033#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 121032#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 121035#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 121034#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 121037#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 121036#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 121039#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 121038#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 121041#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 121040#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 121043#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 121042#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 121045#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 121044#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 121047#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 121046#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 121049#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 121048#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 121051#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 121050#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 121053#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 121052#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 121055#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 121054#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 121057#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 121056#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 121059#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 121058#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 121061#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 121060#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 121063#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 121062#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 121065#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 121064#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 121067#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 121066#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 121069#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 121068#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 121071#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 121070#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 121073#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 121072#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 121074#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:47:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 6972 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:22,163 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:47:22,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:47:22,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7224, Invalid=21168, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:47:22,167 INFO L87 Difference]: Start difference. First operand 339 states and 340 transitions. Second operand 169 states. [2018-07-23 13:47:23,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:23,035 INFO L93 Difference]: Finished difference Result 511 states and 513 transitions. [2018-07-23 13:47:23,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:47:23,035 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 338 [2018-07-23 13:47:23,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:23,036 INFO L225 Difference]: With dead ends: 511 [2018-07-23 13:47:23,036 INFO L226 Difference]: Without dead ends: 341 [2018-07-23 13:47:23,040 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10210 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17765, Invalid=45487, Unknown=0, NotChecked=0, Total=63252 [2018-07-23 13:47:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-07-23 13:47:23,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2018-07-23 13:47:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-07-23 13:47:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 342 transitions. [2018-07-23 13:47:23,064 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 342 transitions. Word has length 338 [2018-07-23 13:47:23,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:23,064 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 342 transitions. [2018-07-23 13:47:23,064 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:47:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 342 transitions. [2018-07-23 13:47:23,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-23 13:47:23,065 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:23,065 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 84, 83, 1, 1, 1, 1] [2018-07-23 13:47:23,065 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:23,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1426228601, now seen corresponding path program 126 times [2018-07-23 13:47:23,066 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 14112 backedges. 7140 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:23,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:23,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:47:23,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:23,568 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 13:47:23,568 INFO L185 omatonBuilderFactory]: Interpolants [123009#(<= 62 ULTIMATE.start_main_~k~5), 123008#(<= 61 ULTIMATE.start_main_~k~5), 123011#(<= 64 ULTIMATE.start_main_~k~5), 123010#(<= 63 ULTIMATE.start_main_~k~5), 123013#(<= 66 ULTIMATE.start_main_~k~5), 123012#(<= 65 ULTIMATE.start_main_~k~5), 123015#(<= 68 ULTIMATE.start_main_~k~5), 123014#(<= 67 ULTIMATE.start_main_~k~5), 123017#(<= 70 ULTIMATE.start_main_~k~5), 123016#(<= 69 ULTIMATE.start_main_~k~5), 123019#(<= 72 ULTIMATE.start_main_~k~5), 123018#(<= 71 ULTIMATE.start_main_~k~5), 123021#(<= 74 ULTIMATE.start_main_~k~5), 123020#(<= 73 ULTIMATE.start_main_~k~5), 123023#(<= 76 ULTIMATE.start_main_~k~5), 123022#(<= 75 ULTIMATE.start_main_~k~5), 123025#(<= 78 ULTIMATE.start_main_~k~5), 123024#(<= 77 ULTIMATE.start_main_~k~5), 123027#(<= 80 ULTIMATE.start_main_~k~5), 123026#(<= 79 ULTIMATE.start_main_~k~5), 123029#(<= 82 ULTIMATE.start_main_~k~5), 123028#(<= 81 ULTIMATE.start_main_~k~5), 123031#(<= 84 ULTIMATE.start_main_~k~5), 123030#(<= 83 ULTIMATE.start_main_~k~5), 123033#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 123032#(and (<= 84 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 122945#true, 122947#(<= 0 ULTIMATE.start_main_~k~5), 122946#false, 122949#(<= 2 ULTIMATE.start_main_~k~5), 122948#(<= 1 ULTIMATE.start_main_~k~5), 122951#(<= 4 ULTIMATE.start_main_~k~5), 122950#(<= 3 ULTIMATE.start_main_~k~5), 122953#(<= 6 ULTIMATE.start_main_~k~5), 122952#(<= 5 ULTIMATE.start_main_~k~5), 122955#(<= 8 ULTIMATE.start_main_~k~5), 122954#(<= 7 ULTIMATE.start_main_~k~5), 122957#(<= 10 ULTIMATE.start_main_~k~5), 122956#(<= 9 ULTIMATE.start_main_~k~5), 122959#(<= 12 ULTIMATE.start_main_~k~5), 122958#(<= 11 ULTIMATE.start_main_~k~5), 122961#(<= 14 ULTIMATE.start_main_~k~5), 122960#(<= 13 ULTIMATE.start_main_~k~5), 122963#(<= 16 ULTIMATE.start_main_~k~5), 122962#(<= 15 ULTIMATE.start_main_~k~5), 122965#(<= 18 ULTIMATE.start_main_~k~5), 122964#(<= 17 ULTIMATE.start_main_~k~5), 122967#(<= 20 ULTIMATE.start_main_~k~5), 122966#(<= 19 ULTIMATE.start_main_~k~5), 122969#(<= 22 ULTIMATE.start_main_~k~5), 122968#(<= 21 ULTIMATE.start_main_~k~5), 122971#(<= 24 ULTIMATE.start_main_~k~5), 122970#(<= 23 ULTIMATE.start_main_~k~5), 122973#(<= 26 ULTIMATE.start_main_~k~5), 122972#(<= 25 ULTIMATE.start_main_~k~5), 122975#(<= 28 ULTIMATE.start_main_~k~5), 122974#(<= 27 ULTIMATE.start_main_~k~5), 122977#(<= 30 ULTIMATE.start_main_~k~5), 122976#(<= 29 ULTIMATE.start_main_~k~5), 122979#(<= 32 ULTIMATE.start_main_~k~5), 122978#(<= 31 ULTIMATE.start_main_~k~5), 122981#(<= 34 ULTIMATE.start_main_~k~5), 122980#(<= 33 ULTIMATE.start_main_~k~5), 122983#(<= 36 ULTIMATE.start_main_~k~5), 122982#(<= 35 ULTIMATE.start_main_~k~5), 122985#(<= 38 ULTIMATE.start_main_~k~5), 122984#(<= 37 ULTIMATE.start_main_~k~5), 122987#(<= 40 ULTIMATE.start_main_~k~5), 122986#(<= 39 ULTIMATE.start_main_~k~5), 122989#(<= 42 ULTIMATE.start_main_~k~5), 122988#(<= 41 ULTIMATE.start_main_~k~5), 122991#(<= 44 ULTIMATE.start_main_~k~5), 122990#(<= 43 ULTIMATE.start_main_~k~5), 122993#(<= 46 ULTIMATE.start_main_~k~5), 122992#(<= 45 ULTIMATE.start_main_~k~5), 122995#(<= 48 ULTIMATE.start_main_~k~5), 122994#(<= 47 ULTIMATE.start_main_~k~5), 122997#(<= 50 ULTIMATE.start_main_~k~5), 122996#(<= 49 ULTIMATE.start_main_~k~5), 122999#(<= 52 ULTIMATE.start_main_~k~5), 122998#(<= 51 ULTIMATE.start_main_~k~5), 123001#(<= 54 ULTIMATE.start_main_~k~5), 123000#(<= 53 ULTIMATE.start_main_~k~5), 123003#(<= 56 ULTIMATE.start_main_~k~5), 123002#(<= 55 ULTIMATE.start_main_~k~5), 123005#(<= 58 ULTIMATE.start_main_~k~5), 123004#(<= 57 ULTIMATE.start_main_~k~5), 123007#(<= 60 ULTIMATE.start_main_~k~5), 123006#(<= 59 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14112 backedges. 7140 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:23,569 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:47:23,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:47:23,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3830, Invalid=4002, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:47:23,571 INFO L87 Difference]: Start difference. First operand 341 states and 342 transitions. Second operand 89 states. [2018-07-23 13:47:23,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:23,912 INFO L93 Difference]: Finished difference Result 347 states and 349 transitions. [2018-07-23 13:47:23,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:47:23,912 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 340 [2018-07-23 13:47:23,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:23,913 INFO L225 Difference]: With dead ends: 347 [2018-07-23 13:47:23,913 INFO L226 Difference]: Without dead ends: 345 [2018-07-23 13:47:23,916 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11311, Invalid=18791, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:47:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-07-23 13:47:23,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-07-23 13:47:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-07-23 13:47:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 346 transitions. [2018-07-23 13:47:23,942 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 346 transitions. Word has length 340 [2018-07-23 13:47:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:23,942 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 346 transitions. [2018-07-23 13:47:23,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:47:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 346 transitions. [2018-07-23 13:47:23,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-07-23 13:47:23,944 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:23,944 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 85, 84, 1, 1, 1, 1] [2018-07-23 13:47:23,944 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:23,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1507901061, now seen corresponding path program 127 times [2018-07-23 13:47:23,944 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14450 backedges. 7310 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:24,965 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:24,965 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:47:24,965 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:24,965 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 13:47:24,966 INFO L185 omatonBuilderFactory]: Interpolants [124673#(<= ULTIMATE.start_main_~i~5 83), 124672#(<= ULTIMATE.start_main_~i~5 82), 124675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 124674#(<= ULTIMATE.start_main_~i~5 84), 124677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 124676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 124679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 124678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 124681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 124680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 124683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 124682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 124685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 124684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 124687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 124686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 124689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 124688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 124691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 124690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 124693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 124692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 124695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 124694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 124697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 124696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 124699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 124698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 124701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 124700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 124703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 124702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 124705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 124704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 124707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 124706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 124709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 124708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 124711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 124710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 124713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 124712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 124715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 124714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 124717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 124716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 124719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 124718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 124721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 124720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 124723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 124722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 124725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 124724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 124727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 124726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 124729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 124728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 124731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 124730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 124733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 124732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 124735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 124734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 124737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 124736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 124739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 124738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 124741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 124740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 124743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 124742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 124745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 124744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 124747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 124746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 124749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 124748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 124751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 124750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 124753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 124752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 124755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 124754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 124757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 124756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 124759#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 124758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 124589#false, 124588#true, 124591#(<= ULTIMATE.start_main_~i~5 1), 124590#(<= ULTIMATE.start_main_~i~5 0), 124593#(<= ULTIMATE.start_main_~i~5 3), 124592#(<= ULTIMATE.start_main_~i~5 2), 124595#(<= ULTIMATE.start_main_~i~5 5), 124594#(<= ULTIMATE.start_main_~i~5 4), 124597#(<= ULTIMATE.start_main_~i~5 7), 124596#(<= ULTIMATE.start_main_~i~5 6), 124599#(<= ULTIMATE.start_main_~i~5 9), 124598#(<= ULTIMATE.start_main_~i~5 8), 124601#(<= ULTIMATE.start_main_~i~5 11), 124600#(<= ULTIMATE.start_main_~i~5 10), 124603#(<= ULTIMATE.start_main_~i~5 13), 124602#(<= ULTIMATE.start_main_~i~5 12), 124605#(<= ULTIMATE.start_main_~i~5 15), 124604#(<= ULTIMATE.start_main_~i~5 14), 124607#(<= ULTIMATE.start_main_~i~5 17), 124606#(<= ULTIMATE.start_main_~i~5 16), 124609#(<= ULTIMATE.start_main_~i~5 19), 124608#(<= ULTIMATE.start_main_~i~5 18), 124611#(<= ULTIMATE.start_main_~i~5 21), 124610#(<= ULTIMATE.start_main_~i~5 20), 124613#(<= ULTIMATE.start_main_~i~5 23), 124612#(<= ULTIMATE.start_main_~i~5 22), 124615#(<= ULTIMATE.start_main_~i~5 25), 124614#(<= ULTIMATE.start_main_~i~5 24), 124617#(<= ULTIMATE.start_main_~i~5 27), 124616#(<= ULTIMATE.start_main_~i~5 26), 124619#(<= ULTIMATE.start_main_~i~5 29), 124618#(<= ULTIMATE.start_main_~i~5 28), 124621#(<= ULTIMATE.start_main_~i~5 31), 124620#(<= ULTIMATE.start_main_~i~5 30), 124623#(<= ULTIMATE.start_main_~i~5 33), 124622#(<= ULTIMATE.start_main_~i~5 32), 124625#(<= ULTIMATE.start_main_~i~5 35), 124624#(<= ULTIMATE.start_main_~i~5 34), 124627#(<= ULTIMATE.start_main_~i~5 37), 124626#(<= ULTIMATE.start_main_~i~5 36), 124629#(<= ULTIMATE.start_main_~i~5 39), 124628#(<= ULTIMATE.start_main_~i~5 38), 124631#(<= ULTIMATE.start_main_~i~5 41), 124630#(<= ULTIMATE.start_main_~i~5 40), 124633#(<= ULTIMATE.start_main_~i~5 43), 124632#(<= ULTIMATE.start_main_~i~5 42), 124635#(<= ULTIMATE.start_main_~i~5 45), 124634#(<= ULTIMATE.start_main_~i~5 44), 124637#(<= ULTIMATE.start_main_~i~5 47), 124636#(<= ULTIMATE.start_main_~i~5 46), 124639#(<= ULTIMATE.start_main_~i~5 49), 124638#(<= ULTIMATE.start_main_~i~5 48), 124641#(<= ULTIMATE.start_main_~i~5 51), 124640#(<= ULTIMATE.start_main_~i~5 50), 124643#(<= ULTIMATE.start_main_~i~5 53), 124642#(<= ULTIMATE.start_main_~i~5 52), 124645#(<= ULTIMATE.start_main_~i~5 55), 124644#(<= ULTIMATE.start_main_~i~5 54), 124647#(<= ULTIMATE.start_main_~i~5 57), 124646#(<= ULTIMATE.start_main_~i~5 56), 124649#(<= ULTIMATE.start_main_~i~5 59), 124648#(<= ULTIMATE.start_main_~i~5 58), 124651#(<= ULTIMATE.start_main_~i~5 61), 124650#(<= ULTIMATE.start_main_~i~5 60), 124653#(<= ULTIMATE.start_main_~i~5 63), 124652#(<= ULTIMATE.start_main_~i~5 62), 124655#(<= ULTIMATE.start_main_~i~5 65), 124654#(<= ULTIMATE.start_main_~i~5 64), 124657#(<= ULTIMATE.start_main_~i~5 67), 124656#(<= ULTIMATE.start_main_~i~5 66), 124659#(<= ULTIMATE.start_main_~i~5 69), 124658#(<= ULTIMATE.start_main_~i~5 68), 124661#(<= ULTIMATE.start_main_~i~5 71), 124660#(<= ULTIMATE.start_main_~i~5 70), 124663#(<= ULTIMATE.start_main_~i~5 73), 124662#(<= ULTIMATE.start_main_~i~5 72), 124665#(<= ULTIMATE.start_main_~i~5 75), 124664#(<= ULTIMATE.start_main_~i~5 74), 124667#(<= ULTIMATE.start_main_~i~5 77), 124666#(<= ULTIMATE.start_main_~i~5 76), 124669#(<= ULTIMATE.start_main_~i~5 79), 124668#(<= ULTIMATE.start_main_~i~5 78), 124671#(<= ULTIMATE.start_main_~i~5 81), 124670#(<= ULTIMATE.start_main_~i~5 80)] [2018-07-23 13:47:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14450 backedges. 7310 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:24,967 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:47:24,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:47:24,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7481, Invalid=21931, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:47:24,971 INFO L87 Difference]: Start difference. First operand 345 states and 346 transitions. Second operand 172 states. [2018-07-23 13:47:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:26,088 INFO L93 Difference]: Finished difference Result 521 states and 523 transitions. [2018-07-23 13:47:26,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:47:26,089 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 344 [2018-07-23 13:47:26,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:26,090 INFO L225 Difference]: With dead ends: 521 [2018-07-23 13:47:26,090 INFO L226 Difference]: Without dead ends: 347 [2018-07-23 13:47:26,095 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10626 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18275, Invalid=47005, Unknown=0, NotChecked=0, Total=65280 [2018-07-23 13:47:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-07-23 13:47:26,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2018-07-23 13:47:26,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-07-23 13:47:26,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 348 transitions. [2018-07-23 13:47:26,135 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 348 transitions. Word has length 344 [2018-07-23 13:47:26,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:26,135 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 348 transitions. [2018-07-23 13:47:26,136 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:47:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 348 transitions. [2018-07-23 13:47:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-07-23 13:47:26,137 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:26,138 INFO L357 BasicCegarLoop]: trace histogram [86, 86, 85, 85, 1, 1, 1, 1] [2018-07-23 13:47:26,138 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:26,138 INFO L82 PathProgramCache]: Analyzing trace with hash 949786743, now seen corresponding path program 128 times [2018-07-23 13:47:26,138 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 7310 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:27,183 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:27,183 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:47:27,183 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:27,184 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 13:47:27,184 INFO L185 omatonBuilderFactory]: Interpolants [126721#(<= ULTIMATE.start_main_~i~5 55), 126720#(<= ULTIMATE.start_main_~i~5 54), 126723#(<= ULTIMATE.start_main_~i~5 57), 126722#(<= ULTIMATE.start_main_~i~5 56), 126725#(<= ULTIMATE.start_main_~i~5 59), 126724#(<= ULTIMATE.start_main_~i~5 58), 126727#(<= ULTIMATE.start_main_~i~5 61), 126726#(<= ULTIMATE.start_main_~i~5 60), 126729#(<= ULTIMATE.start_main_~i~5 63), 126728#(<= ULTIMATE.start_main_~i~5 62), 126731#(<= ULTIMATE.start_main_~i~5 65), 126730#(<= ULTIMATE.start_main_~i~5 64), 126733#(<= ULTIMATE.start_main_~i~5 67), 126732#(<= ULTIMATE.start_main_~i~5 66), 126735#(<= ULTIMATE.start_main_~i~5 69), 126734#(<= ULTIMATE.start_main_~i~5 68), 126737#(<= ULTIMATE.start_main_~i~5 71), 126736#(<= ULTIMATE.start_main_~i~5 70), 126739#(<= ULTIMATE.start_main_~i~5 73), 126738#(<= ULTIMATE.start_main_~i~5 72), 126741#(<= ULTIMATE.start_main_~i~5 75), 126740#(<= ULTIMATE.start_main_~i~5 74), 126743#(<= ULTIMATE.start_main_~i~5 77), 126742#(<= ULTIMATE.start_main_~i~5 76), 126745#(<= ULTIMATE.start_main_~i~5 79), 126744#(<= ULTIMATE.start_main_~i~5 78), 126747#(<= ULTIMATE.start_main_~i~5 81), 126746#(<= ULTIMATE.start_main_~i~5 80), 126749#(<= ULTIMATE.start_main_~i~5 83), 126748#(<= ULTIMATE.start_main_~i~5 82), 126751#(<= ULTIMATE.start_main_~i~5 85), 126750#(<= ULTIMATE.start_main_~i~5 84), 126753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 126752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 126755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 126754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 126757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 126756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 126759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 126758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 126761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 126760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 126763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 126762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 126765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 126764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 126767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 126766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 126769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 126768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 126771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 126770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 126773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 126772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 126775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 126774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 126777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 126776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 126779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 126778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 126781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 126780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 126783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 126782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 126785#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 126784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 126787#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 126786#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 126789#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 126788#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 126791#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 126790#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 126793#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 126792#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 126795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 126794#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 126797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 126796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 126799#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 126798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 126801#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 126800#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 126803#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 126802#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 126805#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 126804#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 126807#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 126806#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 126809#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 126808#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 126811#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 126810#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 126813#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 126812#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 126815#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 126814#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 126817#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 126816#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 126819#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 126818#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 126821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 126820#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 126823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 126822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 126825#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 126824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 126827#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 126826#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 126829#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 126828#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 126831#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 126830#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 126833#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 126832#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 126835#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 126834#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 126836#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 126665#false, 126664#true, 126667#(<= ULTIMATE.start_main_~i~5 1), 126666#(<= ULTIMATE.start_main_~i~5 0), 126669#(<= ULTIMATE.start_main_~i~5 3), 126668#(<= ULTIMATE.start_main_~i~5 2), 126671#(<= ULTIMATE.start_main_~i~5 5), 126670#(<= ULTIMATE.start_main_~i~5 4), 126673#(<= ULTIMATE.start_main_~i~5 7), 126672#(<= ULTIMATE.start_main_~i~5 6), 126675#(<= ULTIMATE.start_main_~i~5 9), 126674#(<= ULTIMATE.start_main_~i~5 8), 126677#(<= ULTIMATE.start_main_~i~5 11), 126676#(<= ULTIMATE.start_main_~i~5 10), 126679#(<= ULTIMATE.start_main_~i~5 13), 126678#(<= ULTIMATE.start_main_~i~5 12), 126681#(<= ULTIMATE.start_main_~i~5 15), 126680#(<= ULTIMATE.start_main_~i~5 14), 126683#(<= ULTIMATE.start_main_~i~5 17), 126682#(<= ULTIMATE.start_main_~i~5 16), 126685#(<= ULTIMATE.start_main_~i~5 19), 126684#(<= ULTIMATE.start_main_~i~5 18), 126687#(<= ULTIMATE.start_main_~i~5 21), 126686#(<= ULTIMATE.start_main_~i~5 20), 126689#(<= ULTIMATE.start_main_~i~5 23), 126688#(<= ULTIMATE.start_main_~i~5 22), 126691#(<= ULTIMATE.start_main_~i~5 25), 126690#(<= ULTIMATE.start_main_~i~5 24), 126693#(<= ULTIMATE.start_main_~i~5 27), 126692#(<= ULTIMATE.start_main_~i~5 26), 126695#(<= ULTIMATE.start_main_~i~5 29), 126694#(<= ULTIMATE.start_main_~i~5 28), 126697#(<= ULTIMATE.start_main_~i~5 31), 126696#(<= ULTIMATE.start_main_~i~5 30), 126699#(<= ULTIMATE.start_main_~i~5 33), 126698#(<= ULTIMATE.start_main_~i~5 32), 126701#(<= ULTIMATE.start_main_~i~5 35), 126700#(<= ULTIMATE.start_main_~i~5 34), 126703#(<= ULTIMATE.start_main_~i~5 37), 126702#(<= ULTIMATE.start_main_~i~5 36), 126705#(<= ULTIMATE.start_main_~i~5 39), 126704#(<= ULTIMATE.start_main_~i~5 38), 126707#(<= ULTIMATE.start_main_~i~5 41), 126706#(<= ULTIMATE.start_main_~i~5 40), 126709#(<= ULTIMATE.start_main_~i~5 43), 126708#(<= ULTIMATE.start_main_~i~5 42), 126711#(<= ULTIMATE.start_main_~i~5 45), 126710#(<= ULTIMATE.start_main_~i~5 44), 126713#(<= ULTIMATE.start_main_~i~5 47), 126712#(<= ULTIMATE.start_main_~i~5 46), 126715#(<= ULTIMATE.start_main_~i~5 49), 126714#(<= ULTIMATE.start_main_~i~5 48), 126717#(<= ULTIMATE.start_main_~i~5 51), 126716#(<= ULTIMATE.start_main_~i~5 50), 126719#(<= ULTIMATE.start_main_~i~5 53), 126718#(<= ULTIMATE.start_main_~i~5 52)] [2018-07-23 13:47:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14620 backedges. 7310 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:27,185 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:47:27,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:47:27,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7568, Invalid=22188, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:47:27,187 INFO L87 Difference]: Start difference. First operand 347 states and 348 transitions. Second operand 173 states. [2018-07-23 13:47:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:28,061 INFO L93 Difference]: Finished difference Result 523 states and 525 transitions. [2018-07-23 13:47:28,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:47:28,061 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 346 [2018-07-23 13:47:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:28,062 INFO L225 Difference]: With dead ends: 523 [2018-07-23 13:47:28,062 INFO L226 Difference]: Without dead ends: 349 [2018-07-23 13:47:28,066 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10711 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18618, Invalid=47688, Unknown=0, NotChecked=0, Total=66306 [2018-07-23 13:47:28,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-07-23 13:47:28,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2018-07-23 13:47:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-07-23 13:47:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 350 transitions. [2018-07-23 13:47:28,090 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 350 transitions. Word has length 346 [2018-07-23 13:47:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:28,090 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 350 transitions. [2018-07-23 13:47:28,090 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:47:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 350 transitions. [2018-07-23 13:47:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-07-23 13:47:28,091 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:28,091 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 86, 85, 1, 1, 1, 1] [2018-07-23 13:47:28,091 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:28,091 INFO L82 PathProgramCache]: Analyzing trace with hash 555753587, now seen corresponding path program 129 times [2018-07-23 13:47:28,091 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 14792 backedges. 7482 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:28,778 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:28,778 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:47:28,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:28,778 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 13:47:28,778 INFO L185 omatonBuilderFactory]: Interpolants [128769#(<= 16 ULTIMATE.start_main_~k~5), 128768#(<= 15 ULTIMATE.start_main_~k~5), 128771#(<= 18 ULTIMATE.start_main_~k~5), 128770#(<= 17 ULTIMATE.start_main_~k~5), 128773#(<= 20 ULTIMATE.start_main_~k~5), 128772#(<= 19 ULTIMATE.start_main_~k~5), 128775#(<= 22 ULTIMATE.start_main_~k~5), 128774#(<= 21 ULTIMATE.start_main_~k~5), 128777#(<= 24 ULTIMATE.start_main_~k~5), 128776#(<= 23 ULTIMATE.start_main_~k~5), 128779#(<= 26 ULTIMATE.start_main_~k~5), 128778#(<= 25 ULTIMATE.start_main_~k~5), 128781#(<= 28 ULTIMATE.start_main_~k~5), 128780#(<= 27 ULTIMATE.start_main_~k~5), 128783#(<= 30 ULTIMATE.start_main_~k~5), 128782#(<= 29 ULTIMATE.start_main_~k~5), 128785#(<= 32 ULTIMATE.start_main_~k~5), 128784#(<= 31 ULTIMATE.start_main_~k~5), 128787#(<= 34 ULTIMATE.start_main_~k~5), 128786#(<= 33 ULTIMATE.start_main_~k~5), 128789#(<= 36 ULTIMATE.start_main_~k~5), 128788#(<= 35 ULTIMATE.start_main_~k~5), 128791#(<= 38 ULTIMATE.start_main_~k~5), 128790#(<= 37 ULTIMATE.start_main_~k~5), 128793#(<= 40 ULTIMATE.start_main_~k~5), 128792#(<= 39 ULTIMATE.start_main_~k~5), 128795#(<= 42 ULTIMATE.start_main_~k~5), 128794#(<= 41 ULTIMATE.start_main_~k~5), 128797#(<= 44 ULTIMATE.start_main_~k~5), 128796#(<= 43 ULTIMATE.start_main_~k~5), 128799#(<= 46 ULTIMATE.start_main_~k~5), 128798#(<= 45 ULTIMATE.start_main_~k~5), 128801#(<= 48 ULTIMATE.start_main_~k~5), 128800#(<= 47 ULTIMATE.start_main_~k~5), 128803#(<= 50 ULTIMATE.start_main_~k~5), 128802#(<= 49 ULTIMATE.start_main_~k~5), 128805#(<= 52 ULTIMATE.start_main_~k~5), 128804#(<= 51 ULTIMATE.start_main_~k~5), 128807#(<= 54 ULTIMATE.start_main_~k~5), 128806#(<= 53 ULTIMATE.start_main_~k~5), 128809#(<= 56 ULTIMATE.start_main_~k~5), 128808#(<= 55 ULTIMATE.start_main_~k~5), 128811#(<= 58 ULTIMATE.start_main_~k~5), 128810#(<= 57 ULTIMATE.start_main_~k~5), 128813#(<= 60 ULTIMATE.start_main_~k~5), 128812#(<= 59 ULTIMATE.start_main_~k~5), 128815#(<= 62 ULTIMATE.start_main_~k~5), 128814#(<= 61 ULTIMATE.start_main_~k~5), 128817#(<= 64 ULTIMATE.start_main_~k~5), 128816#(<= 63 ULTIMATE.start_main_~k~5), 128819#(<= 66 ULTIMATE.start_main_~k~5), 128818#(<= 65 ULTIMATE.start_main_~k~5), 128821#(<= 68 ULTIMATE.start_main_~k~5), 128820#(<= 67 ULTIMATE.start_main_~k~5), 128823#(<= 70 ULTIMATE.start_main_~k~5), 128822#(<= 69 ULTIMATE.start_main_~k~5), 128825#(<= 72 ULTIMATE.start_main_~k~5), 128824#(<= 71 ULTIMATE.start_main_~k~5), 128827#(<= 74 ULTIMATE.start_main_~k~5), 128826#(<= 73 ULTIMATE.start_main_~k~5), 128829#(<= 76 ULTIMATE.start_main_~k~5), 128828#(<= 75 ULTIMATE.start_main_~k~5), 128831#(<= 78 ULTIMATE.start_main_~k~5), 128830#(<= 77 ULTIMATE.start_main_~k~5), 128833#(<= 80 ULTIMATE.start_main_~k~5), 128832#(<= 79 ULTIMATE.start_main_~k~5), 128835#(<= 82 ULTIMATE.start_main_~k~5), 128834#(<= 81 ULTIMATE.start_main_~k~5), 128837#(<= 84 ULTIMATE.start_main_~k~5), 128836#(<= 83 ULTIMATE.start_main_~k~5), 128839#(<= 86 ULTIMATE.start_main_~k~5), 128838#(<= 85 ULTIMATE.start_main_~k~5), 128841#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 128840#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 86 ULTIMATE.start_main_~k~5)), 128751#true, 128753#(<= 0 ULTIMATE.start_main_~k~5), 128752#false, 128755#(<= 2 ULTIMATE.start_main_~k~5), 128754#(<= 1 ULTIMATE.start_main_~k~5), 128757#(<= 4 ULTIMATE.start_main_~k~5), 128756#(<= 3 ULTIMATE.start_main_~k~5), 128759#(<= 6 ULTIMATE.start_main_~k~5), 128758#(<= 5 ULTIMATE.start_main_~k~5), 128761#(<= 8 ULTIMATE.start_main_~k~5), 128760#(<= 7 ULTIMATE.start_main_~k~5), 128763#(<= 10 ULTIMATE.start_main_~k~5), 128762#(<= 9 ULTIMATE.start_main_~k~5), 128765#(<= 12 ULTIMATE.start_main_~k~5), 128764#(<= 11 ULTIMATE.start_main_~k~5), 128767#(<= 14 ULTIMATE.start_main_~k~5), 128766#(<= 13 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14792 backedges. 7482 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:28,779 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:47:28,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:47:28,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4007, Invalid=4183, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:47:28,780 INFO L87 Difference]: Start difference. First operand 349 states and 350 transitions. Second operand 91 states. [2018-07-23 13:47:29,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:29,160 INFO L93 Difference]: Finished difference Result 355 states and 357 transitions. [2018-07-23 13:47:29,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:47:29,160 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 348 [2018-07-23 13:47:29,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:29,161 INFO L225 Difference]: With dead ends: 355 [2018-07-23 13:47:29,161 INFO L226 Difference]: Without dead ends: 353 [2018-07-23 13:47:29,163 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7569 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11838, Invalid=19668, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:47:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-07-23 13:47:29,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2018-07-23 13:47:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-07-23 13:47:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 354 transitions. [2018-07-23 13:47:29,192 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 354 transitions. Word has length 348 [2018-07-23 13:47:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:29,192 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 354 transitions. [2018-07-23 13:47:29,192 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:47:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 354 transitions. [2018-07-23 13:47:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-07-23 13:47:29,193 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:29,194 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 87, 86, 1, 1, 1, 1] [2018-07-23 13:47:29,194 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:29,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1566904679, now seen corresponding path program 130 times [2018-07-23 13:47:29,194 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15138 backedges. 7656 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:30,216 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:30,216 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:47:30,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:30,216 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 13:47:30,216 INFO L185 omatonBuilderFactory]: Interpolants [130561#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 130560#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 130563#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 130562#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 130565#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 130564#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 130567#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 130566#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 130569#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 130568#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 130571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 130570#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 130573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 130572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 130575#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 130574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 130577#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 130576#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 130579#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 130578#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 130581#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 130580#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 130583#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 130582#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 130585#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 130584#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 130587#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 130586#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 130589#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 130588#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 130591#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 130590#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 130593#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 130592#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 130595#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 130594#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 130597#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 130596#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 130599#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 130598#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 130601#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 130600#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 130603#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 130602#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 130605#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 130604#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 130607#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 130606#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 130433#false, 130432#true, 130435#(<= ULTIMATE.start_main_~i~5 1), 130434#(<= ULTIMATE.start_main_~i~5 0), 130437#(<= ULTIMATE.start_main_~i~5 3), 130436#(<= ULTIMATE.start_main_~i~5 2), 130439#(<= ULTIMATE.start_main_~i~5 5), 130438#(<= ULTIMATE.start_main_~i~5 4), 130441#(<= ULTIMATE.start_main_~i~5 7), 130440#(<= ULTIMATE.start_main_~i~5 6), 130443#(<= ULTIMATE.start_main_~i~5 9), 130442#(<= ULTIMATE.start_main_~i~5 8), 130445#(<= ULTIMATE.start_main_~i~5 11), 130444#(<= ULTIMATE.start_main_~i~5 10), 130447#(<= ULTIMATE.start_main_~i~5 13), 130446#(<= ULTIMATE.start_main_~i~5 12), 130449#(<= ULTIMATE.start_main_~i~5 15), 130448#(<= ULTIMATE.start_main_~i~5 14), 130451#(<= ULTIMATE.start_main_~i~5 17), 130450#(<= ULTIMATE.start_main_~i~5 16), 130453#(<= ULTIMATE.start_main_~i~5 19), 130452#(<= ULTIMATE.start_main_~i~5 18), 130455#(<= ULTIMATE.start_main_~i~5 21), 130454#(<= ULTIMATE.start_main_~i~5 20), 130457#(<= ULTIMATE.start_main_~i~5 23), 130456#(<= ULTIMATE.start_main_~i~5 22), 130459#(<= ULTIMATE.start_main_~i~5 25), 130458#(<= ULTIMATE.start_main_~i~5 24), 130461#(<= ULTIMATE.start_main_~i~5 27), 130460#(<= ULTIMATE.start_main_~i~5 26), 130463#(<= ULTIMATE.start_main_~i~5 29), 130462#(<= ULTIMATE.start_main_~i~5 28), 130465#(<= ULTIMATE.start_main_~i~5 31), 130464#(<= ULTIMATE.start_main_~i~5 30), 130467#(<= ULTIMATE.start_main_~i~5 33), 130466#(<= ULTIMATE.start_main_~i~5 32), 130469#(<= ULTIMATE.start_main_~i~5 35), 130468#(<= ULTIMATE.start_main_~i~5 34), 130471#(<= ULTIMATE.start_main_~i~5 37), 130470#(<= ULTIMATE.start_main_~i~5 36), 130473#(<= ULTIMATE.start_main_~i~5 39), 130472#(<= ULTIMATE.start_main_~i~5 38), 130475#(<= ULTIMATE.start_main_~i~5 41), 130474#(<= ULTIMATE.start_main_~i~5 40), 130477#(<= ULTIMATE.start_main_~i~5 43), 130476#(<= ULTIMATE.start_main_~i~5 42), 130479#(<= ULTIMATE.start_main_~i~5 45), 130478#(<= ULTIMATE.start_main_~i~5 44), 130481#(<= ULTIMATE.start_main_~i~5 47), 130480#(<= ULTIMATE.start_main_~i~5 46), 130483#(<= ULTIMATE.start_main_~i~5 49), 130482#(<= ULTIMATE.start_main_~i~5 48), 130485#(<= ULTIMATE.start_main_~i~5 51), 130484#(<= ULTIMATE.start_main_~i~5 50), 130487#(<= ULTIMATE.start_main_~i~5 53), 130486#(<= ULTIMATE.start_main_~i~5 52), 130489#(<= ULTIMATE.start_main_~i~5 55), 130488#(<= ULTIMATE.start_main_~i~5 54), 130491#(<= ULTIMATE.start_main_~i~5 57), 130490#(<= ULTIMATE.start_main_~i~5 56), 130493#(<= ULTIMATE.start_main_~i~5 59), 130492#(<= ULTIMATE.start_main_~i~5 58), 130495#(<= ULTIMATE.start_main_~i~5 61), 130494#(<= ULTIMATE.start_main_~i~5 60), 130497#(<= ULTIMATE.start_main_~i~5 63), 130496#(<= ULTIMATE.start_main_~i~5 62), 130499#(<= ULTIMATE.start_main_~i~5 65), 130498#(<= ULTIMATE.start_main_~i~5 64), 130501#(<= ULTIMATE.start_main_~i~5 67), 130500#(<= ULTIMATE.start_main_~i~5 66), 130503#(<= ULTIMATE.start_main_~i~5 69), 130502#(<= ULTIMATE.start_main_~i~5 68), 130505#(<= ULTIMATE.start_main_~i~5 71), 130504#(<= ULTIMATE.start_main_~i~5 70), 130507#(<= ULTIMATE.start_main_~i~5 73), 130506#(<= ULTIMATE.start_main_~i~5 72), 130509#(<= ULTIMATE.start_main_~i~5 75), 130508#(<= ULTIMATE.start_main_~i~5 74), 130511#(<= ULTIMATE.start_main_~i~5 77), 130510#(<= ULTIMATE.start_main_~i~5 76), 130513#(<= ULTIMATE.start_main_~i~5 79), 130512#(<= ULTIMATE.start_main_~i~5 78), 130515#(<= ULTIMATE.start_main_~i~5 81), 130514#(<= ULTIMATE.start_main_~i~5 80), 130517#(<= ULTIMATE.start_main_~i~5 83), 130516#(<= ULTIMATE.start_main_~i~5 82), 130519#(<= ULTIMATE.start_main_~i~5 85), 130518#(<= ULTIMATE.start_main_~i~5 84), 130521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 130520#(<= ULTIMATE.start_main_~i~5 86), 130523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 130522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 130525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 130524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 130527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 130526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 130529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 130528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 130531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 130530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 130533#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 130532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 130535#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 130534#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 130537#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 130536#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 130539#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 130538#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 130541#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 130540#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 130543#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 130542#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 130545#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 130544#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 130547#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 130546#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 130549#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 130548#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 130551#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 130550#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 130553#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 130552#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 130555#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 130554#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 130557#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 130556#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 130559#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 130558#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49))] [2018-07-23 13:47:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 15138 backedges. 7656 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:30,217 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:47:30,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:47:30,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7831, Invalid=22969, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:47:30,220 INFO L87 Difference]: Start difference. First operand 353 states and 354 transitions. Second operand 176 states. [2018-07-23 13:47:31,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:31,297 INFO L93 Difference]: Finished difference Result 533 states and 535 transitions. [2018-07-23 13:47:31,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:47:31,297 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 352 [2018-07-23 13:47:31,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:31,298 INFO L225 Difference]: With dead ends: 533 [2018-07-23 13:47:31,298 INFO L226 Difference]: Without dead ends: 355 [2018-07-23 13:47:31,301 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11137 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19140, Invalid=49242, Unknown=0, NotChecked=0, Total=68382 [2018-07-23 13:47:31,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-07-23 13:47:31,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-07-23 13:47:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-07-23 13:47:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 356 transitions. [2018-07-23 13:47:31,327 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 356 transitions. Word has length 352 [2018-07-23 13:47:31,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:31,327 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 356 transitions. [2018-07-23 13:47:31,327 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:47:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 356 transitions. [2018-07-23 13:47:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-07-23 13:47:31,328 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:31,328 INFO L357 BasicCegarLoop]: trace histogram [88, 88, 87, 87, 1, 1, 1, 1] [2018-07-23 13:47:31,328 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:31,328 INFO L82 PathProgramCache]: Analyzing trace with hash 327789667, now seen corresponding path program 131 times [2018-07-23 13:47:31,328 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15312 backedges. 7656 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,369 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:32,369 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:47:32,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:32,370 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 13:47:32,370 INFO L185 omatonBuilderFactory]: Interpolants [132610#(<= ULTIMATE.start_main_~i~5 52), 132611#(<= ULTIMATE.start_main_~i~5 53), 132608#(<= ULTIMATE.start_main_~i~5 50), 132609#(<= ULTIMATE.start_main_~i~5 51), 132614#(<= ULTIMATE.start_main_~i~5 56), 132615#(<= ULTIMATE.start_main_~i~5 57), 132612#(<= ULTIMATE.start_main_~i~5 54), 132613#(<= ULTIMATE.start_main_~i~5 55), 132618#(<= ULTIMATE.start_main_~i~5 60), 132619#(<= ULTIMATE.start_main_~i~5 61), 132616#(<= ULTIMATE.start_main_~i~5 58), 132617#(<= ULTIMATE.start_main_~i~5 59), 132622#(<= ULTIMATE.start_main_~i~5 64), 132623#(<= ULTIMATE.start_main_~i~5 65), 132620#(<= ULTIMATE.start_main_~i~5 62), 132621#(<= ULTIMATE.start_main_~i~5 63), 132626#(<= ULTIMATE.start_main_~i~5 68), 132627#(<= ULTIMATE.start_main_~i~5 69), 132624#(<= ULTIMATE.start_main_~i~5 66), 132625#(<= ULTIMATE.start_main_~i~5 67), 132630#(<= ULTIMATE.start_main_~i~5 72), 132631#(<= ULTIMATE.start_main_~i~5 73), 132628#(<= ULTIMATE.start_main_~i~5 70), 132629#(<= ULTIMATE.start_main_~i~5 71), 132634#(<= ULTIMATE.start_main_~i~5 76), 132635#(<= ULTIMATE.start_main_~i~5 77), 132632#(<= ULTIMATE.start_main_~i~5 74), 132633#(<= ULTIMATE.start_main_~i~5 75), 132638#(<= ULTIMATE.start_main_~i~5 80), 132639#(<= ULTIMATE.start_main_~i~5 81), 132636#(<= ULTIMATE.start_main_~i~5 78), 132637#(<= ULTIMATE.start_main_~i~5 79), 132642#(<= ULTIMATE.start_main_~i~5 84), 132643#(<= ULTIMATE.start_main_~i~5 85), 132640#(<= ULTIMATE.start_main_~i~5 82), 132641#(<= ULTIMATE.start_main_~i~5 83), 132646#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 132647#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 132644#(<= ULTIMATE.start_main_~i~5 86), 132645#(<= ULTIMATE.start_main_~i~5 87), 132650#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 132651#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 132648#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 132649#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 132654#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 132655#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 132652#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 132653#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 132658#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 132659#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 132656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 132657#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 132662#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 132663#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 132660#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 132661#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 132666#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 132667#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 132664#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 132665#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 132670#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 132671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 132668#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 132669#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 132674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 132675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 132672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 132673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 132678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 132679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 132676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 132677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 132682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 132683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 132680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 132681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 132686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 132687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 132684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 132685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 132690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 132691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 132688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 132689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 132694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 132695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 132692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 132693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 132698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 132699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 132696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 132697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 132702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 132703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 132700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 132701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 132706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 132707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 132704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 132705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 132710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 132711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 132708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 132709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 132714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 132715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 132712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 132713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 132718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 132719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 132716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 132717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 132722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 132723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 132720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 132721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 132726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 132727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 132724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 132725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 132730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 132731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 132728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 132729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 132732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 132558#(<= ULTIMATE.start_main_~i~5 0), 132559#(<= ULTIMATE.start_main_~i~5 1), 132556#true, 132557#false, 132562#(<= ULTIMATE.start_main_~i~5 4), 132563#(<= ULTIMATE.start_main_~i~5 5), 132560#(<= ULTIMATE.start_main_~i~5 2), 132561#(<= ULTIMATE.start_main_~i~5 3), 132566#(<= ULTIMATE.start_main_~i~5 8), 132567#(<= ULTIMATE.start_main_~i~5 9), 132564#(<= ULTIMATE.start_main_~i~5 6), 132565#(<= ULTIMATE.start_main_~i~5 7), 132570#(<= ULTIMATE.start_main_~i~5 12), 132571#(<= ULTIMATE.start_main_~i~5 13), 132568#(<= ULTIMATE.start_main_~i~5 10), 132569#(<= ULTIMATE.start_main_~i~5 11), 132574#(<= ULTIMATE.start_main_~i~5 16), 132575#(<= ULTIMATE.start_main_~i~5 17), 132572#(<= ULTIMATE.start_main_~i~5 14), 132573#(<= ULTIMATE.start_main_~i~5 15), 132578#(<= ULTIMATE.start_main_~i~5 20), 132579#(<= ULTIMATE.start_main_~i~5 21), 132576#(<= ULTIMATE.start_main_~i~5 18), 132577#(<= ULTIMATE.start_main_~i~5 19), 132582#(<= ULTIMATE.start_main_~i~5 24), 132583#(<= ULTIMATE.start_main_~i~5 25), 132580#(<= ULTIMATE.start_main_~i~5 22), 132581#(<= ULTIMATE.start_main_~i~5 23), 132586#(<= ULTIMATE.start_main_~i~5 28), 132587#(<= ULTIMATE.start_main_~i~5 29), 132584#(<= ULTIMATE.start_main_~i~5 26), 132585#(<= ULTIMATE.start_main_~i~5 27), 132590#(<= ULTIMATE.start_main_~i~5 32), 132591#(<= ULTIMATE.start_main_~i~5 33), 132588#(<= ULTIMATE.start_main_~i~5 30), 132589#(<= ULTIMATE.start_main_~i~5 31), 132594#(<= ULTIMATE.start_main_~i~5 36), 132595#(<= ULTIMATE.start_main_~i~5 37), 132592#(<= ULTIMATE.start_main_~i~5 34), 132593#(<= ULTIMATE.start_main_~i~5 35), 132598#(<= ULTIMATE.start_main_~i~5 40), 132599#(<= ULTIMATE.start_main_~i~5 41), 132596#(<= ULTIMATE.start_main_~i~5 38), 132597#(<= ULTIMATE.start_main_~i~5 39), 132602#(<= ULTIMATE.start_main_~i~5 44), 132603#(<= ULTIMATE.start_main_~i~5 45), 132600#(<= ULTIMATE.start_main_~i~5 42), 132601#(<= ULTIMATE.start_main_~i~5 43), 132606#(<= ULTIMATE.start_main_~i~5 48), 132607#(<= ULTIMATE.start_main_~i~5 49), 132604#(<= ULTIMATE.start_main_~i~5 46), 132605#(<= ULTIMATE.start_main_~i~5 47)] [2018-07-23 13:47:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 15312 backedges. 7656 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,371 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:47:32,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:47:32,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7920, Invalid=23232, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:47:32,373 INFO L87 Difference]: Start difference. First operand 355 states and 356 transitions. Second operand 177 states. [2018-07-23 13:47:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:33,234 INFO L93 Difference]: Finished difference Result 535 states and 537 transitions. [2018-07-23 13:47:33,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:47:33,234 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 354 [2018-07-23 13:47:33,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:33,235 INFO L225 Difference]: With dead ends: 535 [2018-07-23 13:47:33,235 INFO L226 Difference]: Without dead ends: 357 [2018-07-23 13:47:33,240 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11224 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19491, Invalid=49941, Unknown=0, NotChecked=0, Total=69432 [2018-07-23 13:47:33,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-07-23 13:47:33,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2018-07-23 13:47:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-07-23 13:47:33,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 358 transitions. [2018-07-23 13:47:33,281 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 358 transitions. Word has length 354 [2018-07-23 13:47:33,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:33,282 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 358 transitions. [2018-07-23 13:47:33,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:47:33,282 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 358 transitions. [2018-07-23 13:47:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-07-23 13:47:33,284 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:33,284 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 88, 87, 1, 1, 1, 1] [2018-07-23 13:47:33,284 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:33,284 INFO L82 PathProgramCache]: Analyzing trace with hash -755795873, now seen corresponding path program 132 times [2018-07-23 13:47:33,285 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15488 backedges. 7832 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:33,968 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:33,968 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:47:33,969 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:33,969 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 13:47:33,969 INFO L185 omatonBuilderFactory]: Interpolants [134691#true, 134694#(<= 1 ULTIMATE.start_main_~k~5), 134695#(<= 2 ULTIMATE.start_main_~k~5), 134692#false, 134693#(<= 0 ULTIMATE.start_main_~k~5), 134698#(<= 5 ULTIMATE.start_main_~k~5), 134699#(<= 6 ULTIMATE.start_main_~k~5), 134696#(<= 3 ULTIMATE.start_main_~k~5), 134697#(<= 4 ULTIMATE.start_main_~k~5), 134702#(<= 9 ULTIMATE.start_main_~k~5), 134703#(<= 10 ULTIMATE.start_main_~k~5), 134700#(<= 7 ULTIMATE.start_main_~k~5), 134701#(<= 8 ULTIMATE.start_main_~k~5), 134706#(<= 13 ULTIMATE.start_main_~k~5), 134707#(<= 14 ULTIMATE.start_main_~k~5), 134704#(<= 11 ULTIMATE.start_main_~k~5), 134705#(<= 12 ULTIMATE.start_main_~k~5), 134710#(<= 17 ULTIMATE.start_main_~k~5), 134711#(<= 18 ULTIMATE.start_main_~k~5), 134708#(<= 15 ULTIMATE.start_main_~k~5), 134709#(<= 16 ULTIMATE.start_main_~k~5), 134714#(<= 21 ULTIMATE.start_main_~k~5), 134715#(<= 22 ULTIMATE.start_main_~k~5), 134712#(<= 19 ULTIMATE.start_main_~k~5), 134713#(<= 20 ULTIMATE.start_main_~k~5), 134718#(<= 25 ULTIMATE.start_main_~k~5), 134719#(<= 26 ULTIMATE.start_main_~k~5), 134716#(<= 23 ULTIMATE.start_main_~k~5), 134717#(<= 24 ULTIMATE.start_main_~k~5), 134722#(<= 29 ULTIMATE.start_main_~k~5), 134723#(<= 30 ULTIMATE.start_main_~k~5), 134720#(<= 27 ULTIMATE.start_main_~k~5), 134721#(<= 28 ULTIMATE.start_main_~k~5), 134726#(<= 33 ULTIMATE.start_main_~k~5), 134727#(<= 34 ULTIMATE.start_main_~k~5), 134724#(<= 31 ULTIMATE.start_main_~k~5), 134725#(<= 32 ULTIMATE.start_main_~k~5), 134730#(<= 37 ULTIMATE.start_main_~k~5), 134731#(<= 38 ULTIMATE.start_main_~k~5), 134728#(<= 35 ULTIMATE.start_main_~k~5), 134729#(<= 36 ULTIMATE.start_main_~k~5), 134734#(<= 41 ULTIMATE.start_main_~k~5), 134735#(<= 42 ULTIMATE.start_main_~k~5), 134732#(<= 39 ULTIMATE.start_main_~k~5), 134733#(<= 40 ULTIMATE.start_main_~k~5), 134738#(<= 45 ULTIMATE.start_main_~k~5), 134739#(<= 46 ULTIMATE.start_main_~k~5), 134736#(<= 43 ULTIMATE.start_main_~k~5), 134737#(<= 44 ULTIMATE.start_main_~k~5), 134742#(<= 49 ULTIMATE.start_main_~k~5), 134743#(<= 50 ULTIMATE.start_main_~k~5), 134740#(<= 47 ULTIMATE.start_main_~k~5), 134741#(<= 48 ULTIMATE.start_main_~k~5), 134746#(<= 53 ULTIMATE.start_main_~k~5), 134747#(<= 54 ULTIMATE.start_main_~k~5), 134744#(<= 51 ULTIMATE.start_main_~k~5), 134745#(<= 52 ULTIMATE.start_main_~k~5), 134750#(<= 57 ULTIMATE.start_main_~k~5), 134751#(<= 58 ULTIMATE.start_main_~k~5), 134748#(<= 55 ULTIMATE.start_main_~k~5), 134749#(<= 56 ULTIMATE.start_main_~k~5), 134754#(<= 61 ULTIMATE.start_main_~k~5), 134755#(<= 62 ULTIMATE.start_main_~k~5), 134752#(<= 59 ULTIMATE.start_main_~k~5), 134753#(<= 60 ULTIMATE.start_main_~k~5), 134758#(<= 65 ULTIMATE.start_main_~k~5), 134759#(<= 66 ULTIMATE.start_main_~k~5), 134756#(<= 63 ULTIMATE.start_main_~k~5), 134757#(<= 64 ULTIMATE.start_main_~k~5), 134762#(<= 69 ULTIMATE.start_main_~k~5), 134763#(<= 70 ULTIMATE.start_main_~k~5), 134760#(<= 67 ULTIMATE.start_main_~k~5), 134761#(<= 68 ULTIMATE.start_main_~k~5), 134766#(<= 73 ULTIMATE.start_main_~k~5), 134767#(<= 74 ULTIMATE.start_main_~k~5), 134764#(<= 71 ULTIMATE.start_main_~k~5), 134765#(<= 72 ULTIMATE.start_main_~k~5), 134770#(<= 77 ULTIMATE.start_main_~k~5), 134771#(<= 78 ULTIMATE.start_main_~k~5), 134768#(<= 75 ULTIMATE.start_main_~k~5), 134769#(<= 76 ULTIMATE.start_main_~k~5), 134774#(<= 81 ULTIMATE.start_main_~k~5), 134775#(<= 82 ULTIMATE.start_main_~k~5), 134772#(<= 79 ULTIMATE.start_main_~k~5), 134773#(<= 80 ULTIMATE.start_main_~k~5), 134778#(<= 85 ULTIMATE.start_main_~k~5), 134779#(<= 86 ULTIMATE.start_main_~k~5), 134776#(<= 83 ULTIMATE.start_main_~k~5), 134777#(<= 84 ULTIMATE.start_main_~k~5), 134782#(and (<= 88 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 134783#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 134780#(<= 87 ULTIMATE.start_main_~k~5), 134781#(<= 88 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 15488 backedges. 7832 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:33,970 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:47:33,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:47:33,970 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4188, Invalid=4368, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:47:33,971 INFO L87 Difference]: Start difference. First operand 357 states and 358 transitions. Second operand 93 states. [2018-07-23 13:47:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:34,341 INFO L93 Difference]: Finished difference Result 363 states and 365 transitions. [2018-07-23 13:47:34,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:47:34,341 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 356 [2018-07-23 13:47:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:34,342 INFO L225 Difference]: With dead ends: 363 [2018-07-23 13:47:34,342 INFO L226 Difference]: Without dead ends: 361 [2018-07-23 13:47:34,344 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7921 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12377, Invalid=20565, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:47:34,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-23 13:47:34,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-07-23 13:47:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-07-23 13:47:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 362 transitions. [2018-07-23 13:47:34,370 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 362 transitions. Word has length 356 [2018-07-23 13:47:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:34,370 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 362 transitions. [2018-07-23 13:47:34,370 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:47:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 362 transitions. [2018-07-23 13:47:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-07-23 13:47:34,371 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:34,371 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 89, 88, 1, 1, 1, 1] [2018-07-23 13:47:34,371 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:34,371 INFO L82 PathProgramCache]: Analyzing trace with hash -994929837, now seen corresponding path program 133 times [2018-07-23 13:47:34,371 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 15842 backedges. 8010 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:35,561 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:35,561 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:47:35,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:35,562 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 13:47:35,562 INFO L185 omatonBuilderFactory]: Interpolants [136450#(<= ULTIMATE.start_main_~i~5 38), 136451#(<= ULTIMATE.start_main_~i~5 39), 136448#(<= ULTIMATE.start_main_~i~5 36), 136449#(<= ULTIMATE.start_main_~i~5 37), 136454#(<= ULTIMATE.start_main_~i~5 42), 136455#(<= ULTIMATE.start_main_~i~5 43), 136452#(<= ULTIMATE.start_main_~i~5 40), 136453#(<= ULTIMATE.start_main_~i~5 41), 136458#(<= ULTIMATE.start_main_~i~5 46), 136459#(<= ULTIMATE.start_main_~i~5 47), 136456#(<= ULTIMATE.start_main_~i~5 44), 136457#(<= ULTIMATE.start_main_~i~5 45), 136462#(<= ULTIMATE.start_main_~i~5 50), 136463#(<= ULTIMATE.start_main_~i~5 51), 136460#(<= ULTIMATE.start_main_~i~5 48), 136461#(<= ULTIMATE.start_main_~i~5 49), 136466#(<= ULTIMATE.start_main_~i~5 54), 136467#(<= ULTIMATE.start_main_~i~5 55), 136464#(<= ULTIMATE.start_main_~i~5 52), 136465#(<= ULTIMATE.start_main_~i~5 53), 136470#(<= ULTIMATE.start_main_~i~5 58), 136471#(<= ULTIMATE.start_main_~i~5 59), 136468#(<= ULTIMATE.start_main_~i~5 56), 136469#(<= ULTIMATE.start_main_~i~5 57), 136474#(<= ULTIMATE.start_main_~i~5 62), 136475#(<= ULTIMATE.start_main_~i~5 63), 136472#(<= ULTIMATE.start_main_~i~5 60), 136473#(<= ULTIMATE.start_main_~i~5 61), 136478#(<= ULTIMATE.start_main_~i~5 66), 136479#(<= ULTIMATE.start_main_~i~5 67), 136476#(<= ULTIMATE.start_main_~i~5 64), 136477#(<= ULTIMATE.start_main_~i~5 65), 136482#(<= ULTIMATE.start_main_~i~5 70), 136483#(<= ULTIMATE.start_main_~i~5 71), 136480#(<= ULTIMATE.start_main_~i~5 68), 136481#(<= ULTIMATE.start_main_~i~5 69), 136486#(<= ULTIMATE.start_main_~i~5 74), 136487#(<= ULTIMATE.start_main_~i~5 75), 136484#(<= ULTIMATE.start_main_~i~5 72), 136485#(<= ULTIMATE.start_main_~i~5 73), 136490#(<= ULTIMATE.start_main_~i~5 78), 136491#(<= ULTIMATE.start_main_~i~5 79), 136488#(<= ULTIMATE.start_main_~i~5 76), 136489#(<= ULTIMATE.start_main_~i~5 77), 136494#(<= ULTIMATE.start_main_~i~5 82), 136495#(<= ULTIMATE.start_main_~i~5 83), 136492#(<= ULTIMATE.start_main_~i~5 80), 136493#(<= ULTIMATE.start_main_~i~5 81), 136498#(<= ULTIMATE.start_main_~i~5 86), 136499#(<= ULTIMATE.start_main_~i~5 87), 136496#(<= ULTIMATE.start_main_~i~5 84), 136497#(<= ULTIMATE.start_main_~i~5 85), 136502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 136503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 136500#(<= ULTIMATE.start_main_~i~5 88), 136501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 136506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 136507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 136504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 136505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 136510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 136511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 136508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 136509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 136514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 136515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 136512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 136513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 136518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 136519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 136516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 136517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 136522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 136523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 136520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 136521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 136526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 136527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 136524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 136525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 136530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 136531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 136528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 136529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 136534#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 136535#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 136532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 136533#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 136538#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 136539#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 136536#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 136537#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 136542#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 136543#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 136540#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 136541#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 136546#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 136547#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 136544#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 136545#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 136550#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 136551#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 136548#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 136549#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 136554#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 136555#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 136552#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 136553#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 136558#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 136559#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 136556#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 136557#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 136562#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 136563#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 136560#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 136561#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 136566#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 136567#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 136564#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 136565#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 136570#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 136571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 136568#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 136569#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 136574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 136575#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 136572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 136573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 136578#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 136579#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 136576#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 136577#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 136582#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 136583#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 136580#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 136581#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 136586#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 136587#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 136584#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 136585#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 136588#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 136589#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 136410#true, 136411#false, 136414#(<= ULTIMATE.start_main_~i~5 2), 136415#(<= ULTIMATE.start_main_~i~5 3), 136412#(<= ULTIMATE.start_main_~i~5 0), 136413#(<= ULTIMATE.start_main_~i~5 1), 136418#(<= ULTIMATE.start_main_~i~5 6), 136419#(<= ULTIMATE.start_main_~i~5 7), 136416#(<= ULTIMATE.start_main_~i~5 4), 136417#(<= ULTIMATE.start_main_~i~5 5), 136422#(<= ULTIMATE.start_main_~i~5 10), 136423#(<= ULTIMATE.start_main_~i~5 11), 136420#(<= ULTIMATE.start_main_~i~5 8), 136421#(<= ULTIMATE.start_main_~i~5 9), 136426#(<= ULTIMATE.start_main_~i~5 14), 136427#(<= ULTIMATE.start_main_~i~5 15), 136424#(<= ULTIMATE.start_main_~i~5 12), 136425#(<= ULTIMATE.start_main_~i~5 13), 136430#(<= ULTIMATE.start_main_~i~5 18), 136431#(<= ULTIMATE.start_main_~i~5 19), 136428#(<= ULTIMATE.start_main_~i~5 16), 136429#(<= ULTIMATE.start_main_~i~5 17), 136434#(<= ULTIMATE.start_main_~i~5 22), 136435#(<= ULTIMATE.start_main_~i~5 23), 136432#(<= ULTIMATE.start_main_~i~5 20), 136433#(<= ULTIMATE.start_main_~i~5 21), 136438#(<= ULTIMATE.start_main_~i~5 26), 136439#(<= ULTIMATE.start_main_~i~5 27), 136436#(<= ULTIMATE.start_main_~i~5 24), 136437#(<= ULTIMATE.start_main_~i~5 25), 136442#(<= ULTIMATE.start_main_~i~5 30), 136443#(<= ULTIMATE.start_main_~i~5 31), 136440#(<= ULTIMATE.start_main_~i~5 28), 136441#(<= ULTIMATE.start_main_~i~5 29), 136446#(<= ULTIMATE.start_main_~i~5 34), 136447#(<= ULTIMATE.start_main_~i~5 35), 136444#(<= ULTIMATE.start_main_~i~5 32), 136445#(<= ULTIMATE.start_main_~i~5 33)] [2018-07-23 13:47:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15842 backedges. 8010 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:35,563 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:47:35,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:47:35,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8189, Invalid=24031, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:47:35,564 INFO L87 Difference]: Start difference. First operand 361 states and 362 transitions. Second operand 180 states. [2018-07-23 13:47:36,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:36,358 INFO L93 Difference]: Finished difference Result 545 states and 547 transitions. [2018-07-23 13:47:36,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:47:36,358 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 360 [2018-07-23 13:47:36,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:36,359 INFO L225 Difference]: With dead ends: 545 [2018-07-23 13:47:36,359 INFO L226 Difference]: Without dead ends: 363 [2018-07-23 13:47:36,363 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11660 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=20025, Invalid=51531, Unknown=0, NotChecked=0, Total=71556 [2018-07-23 13:47:36,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-07-23 13:47:36,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-07-23 13:47:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-07-23 13:47:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 364 transitions. [2018-07-23 13:47:36,392 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 364 transitions. Word has length 360 [2018-07-23 13:47:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:36,393 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 364 transitions. [2018-07-23 13:47:36,393 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:47:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 364 transitions. [2018-07-23 13:47:36,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-07-23 13:47:36,394 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:36,394 INFO L357 BasicCegarLoop]: trace histogram [90, 90, 89, 89, 1, 1, 1, 1] [2018-07-23 13:47:36,394 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash 888828495, now seen corresponding path program 134 times [2018-07-23 13:47:36,394 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16020 backedges. 8010 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:37,534 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:37,534 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:47:37,534 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:37,534 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 13:47:37,535 INFO L185 omatonBuilderFactory]: Interpolants [138754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 138755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 138752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 138753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 138758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 138759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 138756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 138757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 138762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 138760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 138761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 138582#true, 138583#false, 138586#(<= ULTIMATE.start_main_~i~5 2), 138587#(<= ULTIMATE.start_main_~i~5 3), 138584#(<= ULTIMATE.start_main_~i~5 0), 138585#(<= ULTIMATE.start_main_~i~5 1), 138590#(<= ULTIMATE.start_main_~i~5 6), 138591#(<= ULTIMATE.start_main_~i~5 7), 138588#(<= ULTIMATE.start_main_~i~5 4), 138589#(<= ULTIMATE.start_main_~i~5 5), 138594#(<= ULTIMATE.start_main_~i~5 10), 138595#(<= ULTIMATE.start_main_~i~5 11), 138592#(<= ULTIMATE.start_main_~i~5 8), 138593#(<= ULTIMATE.start_main_~i~5 9), 138598#(<= ULTIMATE.start_main_~i~5 14), 138599#(<= ULTIMATE.start_main_~i~5 15), 138596#(<= ULTIMATE.start_main_~i~5 12), 138597#(<= ULTIMATE.start_main_~i~5 13), 138602#(<= ULTIMATE.start_main_~i~5 18), 138603#(<= ULTIMATE.start_main_~i~5 19), 138600#(<= ULTIMATE.start_main_~i~5 16), 138601#(<= ULTIMATE.start_main_~i~5 17), 138606#(<= ULTIMATE.start_main_~i~5 22), 138607#(<= ULTIMATE.start_main_~i~5 23), 138604#(<= ULTIMATE.start_main_~i~5 20), 138605#(<= ULTIMATE.start_main_~i~5 21), 138610#(<= ULTIMATE.start_main_~i~5 26), 138611#(<= ULTIMATE.start_main_~i~5 27), 138608#(<= ULTIMATE.start_main_~i~5 24), 138609#(<= ULTIMATE.start_main_~i~5 25), 138614#(<= ULTIMATE.start_main_~i~5 30), 138615#(<= ULTIMATE.start_main_~i~5 31), 138612#(<= ULTIMATE.start_main_~i~5 28), 138613#(<= ULTIMATE.start_main_~i~5 29), 138618#(<= ULTIMATE.start_main_~i~5 34), 138619#(<= ULTIMATE.start_main_~i~5 35), 138616#(<= ULTIMATE.start_main_~i~5 32), 138617#(<= ULTIMATE.start_main_~i~5 33), 138622#(<= ULTIMATE.start_main_~i~5 38), 138623#(<= ULTIMATE.start_main_~i~5 39), 138620#(<= ULTIMATE.start_main_~i~5 36), 138621#(<= ULTIMATE.start_main_~i~5 37), 138626#(<= ULTIMATE.start_main_~i~5 42), 138627#(<= ULTIMATE.start_main_~i~5 43), 138624#(<= ULTIMATE.start_main_~i~5 40), 138625#(<= ULTIMATE.start_main_~i~5 41), 138630#(<= ULTIMATE.start_main_~i~5 46), 138631#(<= ULTIMATE.start_main_~i~5 47), 138628#(<= ULTIMATE.start_main_~i~5 44), 138629#(<= ULTIMATE.start_main_~i~5 45), 138634#(<= ULTIMATE.start_main_~i~5 50), 138635#(<= ULTIMATE.start_main_~i~5 51), 138632#(<= ULTIMATE.start_main_~i~5 48), 138633#(<= ULTIMATE.start_main_~i~5 49), 138638#(<= ULTIMATE.start_main_~i~5 54), 138639#(<= ULTIMATE.start_main_~i~5 55), 138636#(<= ULTIMATE.start_main_~i~5 52), 138637#(<= ULTIMATE.start_main_~i~5 53), 138642#(<= ULTIMATE.start_main_~i~5 58), 138643#(<= ULTIMATE.start_main_~i~5 59), 138640#(<= ULTIMATE.start_main_~i~5 56), 138641#(<= ULTIMATE.start_main_~i~5 57), 138646#(<= ULTIMATE.start_main_~i~5 62), 138647#(<= ULTIMATE.start_main_~i~5 63), 138644#(<= ULTIMATE.start_main_~i~5 60), 138645#(<= ULTIMATE.start_main_~i~5 61), 138650#(<= ULTIMATE.start_main_~i~5 66), 138651#(<= ULTIMATE.start_main_~i~5 67), 138648#(<= ULTIMATE.start_main_~i~5 64), 138649#(<= ULTIMATE.start_main_~i~5 65), 138654#(<= ULTIMATE.start_main_~i~5 70), 138655#(<= ULTIMATE.start_main_~i~5 71), 138652#(<= ULTIMATE.start_main_~i~5 68), 138653#(<= ULTIMATE.start_main_~i~5 69), 138658#(<= ULTIMATE.start_main_~i~5 74), 138659#(<= ULTIMATE.start_main_~i~5 75), 138656#(<= ULTIMATE.start_main_~i~5 72), 138657#(<= ULTIMATE.start_main_~i~5 73), 138662#(<= ULTIMATE.start_main_~i~5 78), 138663#(<= ULTIMATE.start_main_~i~5 79), 138660#(<= ULTIMATE.start_main_~i~5 76), 138661#(<= ULTIMATE.start_main_~i~5 77), 138666#(<= ULTIMATE.start_main_~i~5 82), 138667#(<= ULTIMATE.start_main_~i~5 83), 138664#(<= ULTIMATE.start_main_~i~5 80), 138665#(<= ULTIMATE.start_main_~i~5 81), 138670#(<= ULTIMATE.start_main_~i~5 86), 138671#(<= ULTIMATE.start_main_~i~5 87), 138668#(<= ULTIMATE.start_main_~i~5 84), 138669#(<= ULTIMATE.start_main_~i~5 85), 138674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 138675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 138672#(<= ULTIMATE.start_main_~i~5 88), 138673#(<= ULTIMATE.start_main_~i~5 89), 138678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 138679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 138676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 138677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 138682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 138683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 138680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 138681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 138686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 138687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 138684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 138685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 138690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 138691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 138688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 138689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 138694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 138695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 138692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 138693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 138698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 138699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 138696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 138697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 138702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 138703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 138700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 138701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 138706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 138707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 138704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 138705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 138710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 138711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 138708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 138709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 138714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 138715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 138712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 138713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 138718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 138719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 138716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 138717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 138722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 138723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 138720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 138721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 138726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 138727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 138724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 138725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 138730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 138731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 138728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 138729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 138734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 138735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 138732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 138733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 138738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 138739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 138736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 138737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 138742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 138743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 138740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 138741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 138746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 138747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 138744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 138745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 138750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 138751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 138748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 138749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14))] [2018-07-23 13:47:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 16020 backedges. 8010 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:37,536 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:47:37,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:47:37,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8280, Invalid=24300, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:47:37,539 INFO L87 Difference]: Start difference. First operand 363 states and 364 transitions. Second operand 181 states. [2018-07-23 13:47:38,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:38,698 INFO L93 Difference]: Finished difference Result 547 states and 549 transitions. [2018-07-23 13:47:38,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:47:38,698 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 362 [2018-07-23 13:47:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:38,699 INFO L225 Difference]: With dead ends: 547 [2018-07-23 13:47:38,699 INFO L226 Difference]: Without dead ends: 365 [2018-07-23 13:47:38,703 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11749 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20384, Invalid=52246, Unknown=0, NotChecked=0, Total=72630 [2018-07-23 13:47:38,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-07-23 13:47:38,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2018-07-23 13:47:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-07-23 13:47:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 366 transitions. [2018-07-23 13:47:38,728 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 366 transitions. Word has length 362 [2018-07-23 13:47:38,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:38,729 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 366 transitions. [2018-07-23 13:47:38,729 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:47:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 366 transitions. [2018-07-23 13:47:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-07-23 13:47:38,730 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:38,730 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 90, 89, 1, 1, 1, 1] [2018-07-23 13:47:38,730 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:38,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1295613365, now seen corresponding path program 135 times [2018-07-23 13:47:38,730 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 16200 backedges. 8190 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:39,420 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:39,420 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:47:39,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:39,421 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 13:47:39,421 INFO L185 omatonBuilderFactory]: Interpolants [140802#(<= 35 ULTIMATE.start_main_~k~5), 140803#(<= 36 ULTIMATE.start_main_~k~5), 140800#(<= 33 ULTIMATE.start_main_~k~5), 140801#(<= 34 ULTIMATE.start_main_~k~5), 140806#(<= 39 ULTIMATE.start_main_~k~5), 140807#(<= 40 ULTIMATE.start_main_~k~5), 140804#(<= 37 ULTIMATE.start_main_~k~5), 140805#(<= 38 ULTIMATE.start_main_~k~5), 140810#(<= 43 ULTIMATE.start_main_~k~5), 140811#(<= 44 ULTIMATE.start_main_~k~5), 140808#(<= 41 ULTIMATE.start_main_~k~5), 140809#(<= 42 ULTIMATE.start_main_~k~5), 140814#(<= 47 ULTIMATE.start_main_~k~5), 140815#(<= 48 ULTIMATE.start_main_~k~5), 140812#(<= 45 ULTIMATE.start_main_~k~5), 140813#(<= 46 ULTIMATE.start_main_~k~5), 140818#(<= 51 ULTIMATE.start_main_~k~5), 140819#(<= 52 ULTIMATE.start_main_~k~5), 140816#(<= 49 ULTIMATE.start_main_~k~5), 140817#(<= 50 ULTIMATE.start_main_~k~5), 140822#(<= 55 ULTIMATE.start_main_~k~5), 140823#(<= 56 ULTIMATE.start_main_~k~5), 140820#(<= 53 ULTIMATE.start_main_~k~5), 140821#(<= 54 ULTIMATE.start_main_~k~5), 140826#(<= 59 ULTIMATE.start_main_~k~5), 140827#(<= 60 ULTIMATE.start_main_~k~5), 140824#(<= 57 ULTIMATE.start_main_~k~5), 140825#(<= 58 ULTIMATE.start_main_~k~5), 140830#(<= 63 ULTIMATE.start_main_~k~5), 140831#(<= 64 ULTIMATE.start_main_~k~5), 140828#(<= 61 ULTIMATE.start_main_~k~5), 140829#(<= 62 ULTIMATE.start_main_~k~5), 140834#(<= 67 ULTIMATE.start_main_~k~5), 140835#(<= 68 ULTIMATE.start_main_~k~5), 140832#(<= 65 ULTIMATE.start_main_~k~5), 140833#(<= 66 ULTIMATE.start_main_~k~5), 140838#(<= 71 ULTIMATE.start_main_~k~5), 140839#(<= 72 ULTIMATE.start_main_~k~5), 140836#(<= 69 ULTIMATE.start_main_~k~5), 140837#(<= 70 ULTIMATE.start_main_~k~5), 140842#(<= 75 ULTIMATE.start_main_~k~5), 140843#(<= 76 ULTIMATE.start_main_~k~5), 140840#(<= 73 ULTIMATE.start_main_~k~5), 140841#(<= 74 ULTIMATE.start_main_~k~5), 140846#(<= 79 ULTIMATE.start_main_~k~5), 140847#(<= 80 ULTIMATE.start_main_~k~5), 140844#(<= 77 ULTIMATE.start_main_~k~5), 140845#(<= 78 ULTIMATE.start_main_~k~5), 140850#(<= 83 ULTIMATE.start_main_~k~5), 140851#(<= 84 ULTIMATE.start_main_~k~5), 140848#(<= 81 ULTIMATE.start_main_~k~5), 140849#(<= 82 ULTIMATE.start_main_~k~5), 140854#(<= 87 ULTIMATE.start_main_~k~5), 140855#(<= 88 ULTIMATE.start_main_~k~5), 140852#(<= 85 ULTIMATE.start_main_~k~5), 140853#(<= 86 ULTIMATE.start_main_~k~5), 140858#(and (<= 90 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 140859#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 140856#(<= 89 ULTIMATE.start_main_~k~5), 140857#(<= 90 ULTIMATE.start_main_~k~5), 140766#false, 140767#(<= 0 ULTIMATE.start_main_~k~5), 140765#true, 140770#(<= 3 ULTIMATE.start_main_~k~5), 140771#(<= 4 ULTIMATE.start_main_~k~5), 140768#(<= 1 ULTIMATE.start_main_~k~5), 140769#(<= 2 ULTIMATE.start_main_~k~5), 140774#(<= 7 ULTIMATE.start_main_~k~5), 140775#(<= 8 ULTIMATE.start_main_~k~5), 140772#(<= 5 ULTIMATE.start_main_~k~5), 140773#(<= 6 ULTIMATE.start_main_~k~5), 140778#(<= 11 ULTIMATE.start_main_~k~5), 140779#(<= 12 ULTIMATE.start_main_~k~5), 140776#(<= 9 ULTIMATE.start_main_~k~5), 140777#(<= 10 ULTIMATE.start_main_~k~5), 140782#(<= 15 ULTIMATE.start_main_~k~5), 140783#(<= 16 ULTIMATE.start_main_~k~5), 140780#(<= 13 ULTIMATE.start_main_~k~5), 140781#(<= 14 ULTIMATE.start_main_~k~5), 140786#(<= 19 ULTIMATE.start_main_~k~5), 140787#(<= 20 ULTIMATE.start_main_~k~5), 140784#(<= 17 ULTIMATE.start_main_~k~5), 140785#(<= 18 ULTIMATE.start_main_~k~5), 140790#(<= 23 ULTIMATE.start_main_~k~5), 140791#(<= 24 ULTIMATE.start_main_~k~5), 140788#(<= 21 ULTIMATE.start_main_~k~5), 140789#(<= 22 ULTIMATE.start_main_~k~5), 140794#(<= 27 ULTIMATE.start_main_~k~5), 140795#(<= 28 ULTIMATE.start_main_~k~5), 140792#(<= 25 ULTIMATE.start_main_~k~5), 140793#(<= 26 ULTIMATE.start_main_~k~5), 140798#(<= 31 ULTIMATE.start_main_~k~5), 140799#(<= 32 ULTIMATE.start_main_~k~5), 140796#(<= 29 ULTIMATE.start_main_~k~5), 140797#(<= 30 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16200 backedges. 8190 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:39,422 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:47:39,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:47:39,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4373, Invalid=4557, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:47:39,422 INFO L87 Difference]: Start difference. First operand 365 states and 366 transitions. Second operand 95 states. [2018-07-23 13:47:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:39,829 INFO L93 Difference]: Finished difference Result 371 states and 373 transitions. [2018-07-23 13:47:39,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:47:39,830 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 364 [2018-07-23 13:47:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:39,831 INFO L225 Difference]: With dead ends: 371 [2018-07-23 13:47:39,831 INFO L226 Difference]: Without dead ends: 369 [2018-07-23 13:47:39,833 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8281 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12928, Invalid=21482, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:47:39,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-07-23 13:47:39,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2018-07-23 13:47:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-07-23 13:47:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 370 transitions. [2018-07-23 13:47:39,864 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 370 transitions. Word has length 364 [2018-07-23 13:47:39,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:39,864 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 370 transitions. [2018-07-23 13:47:39,865 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:47:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 370 transitions. [2018-07-23 13:47:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-07-23 13:47:39,866 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:39,866 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 91, 90, 1, 1, 1, 1] [2018-07-23 13:47:39,866 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:39,866 INFO L82 PathProgramCache]: Analyzing trace with hash 248956735, now seen corresponding path program 136 times [2018-07-23 13:47:39,866 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 16562 backedges. 8372 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:41,010 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:41,010 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:47:41,010 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:41,011 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 13:47:41,011 INFO L185 omatonBuilderFactory]: Interpolants [142594#(<= ULTIMATE.start_main_~i~5 70), 142595#(<= ULTIMATE.start_main_~i~5 71), 142592#(<= ULTIMATE.start_main_~i~5 68), 142593#(<= ULTIMATE.start_main_~i~5 69), 142598#(<= ULTIMATE.start_main_~i~5 74), 142599#(<= ULTIMATE.start_main_~i~5 75), 142596#(<= ULTIMATE.start_main_~i~5 72), 142597#(<= ULTIMATE.start_main_~i~5 73), 142602#(<= ULTIMATE.start_main_~i~5 78), 142603#(<= ULTIMATE.start_main_~i~5 79), 142600#(<= ULTIMATE.start_main_~i~5 76), 142601#(<= ULTIMATE.start_main_~i~5 77), 142606#(<= ULTIMATE.start_main_~i~5 82), 142607#(<= ULTIMATE.start_main_~i~5 83), 142604#(<= ULTIMATE.start_main_~i~5 80), 142605#(<= ULTIMATE.start_main_~i~5 81), 142610#(<= ULTIMATE.start_main_~i~5 86), 142611#(<= ULTIMATE.start_main_~i~5 87), 142608#(<= ULTIMATE.start_main_~i~5 84), 142609#(<= ULTIMATE.start_main_~i~5 85), 142614#(<= ULTIMATE.start_main_~i~5 90), 142615#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 142612#(<= ULTIMATE.start_main_~i~5 88), 142613#(<= ULTIMATE.start_main_~i~5 89), 142618#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 142619#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 142616#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 142617#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 142622#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 142623#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 142620#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 142621#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 142626#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 142627#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 142624#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 142625#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 142630#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 142631#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 142628#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 142629#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 142634#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 142635#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 142632#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 142633#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 142638#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 142639#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 142636#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 142637#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 142642#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 142643#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 142640#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 142641#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 142646#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 142647#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 142644#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 142645#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 142650#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 142651#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 142648#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 142649#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 142654#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 142655#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 142652#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 142653#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 142658#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 142659#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 142656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 142657#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 142662#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 142663#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 142660#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 142661#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 142666#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 142667#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 142664#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 142665#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 142670#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 142671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 142668#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 142669#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 142674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 142675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 142672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 142673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 142678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 142679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 142676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 142677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 142682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 142683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 142680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 142681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 142686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 142687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 142684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 142685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 142690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 142691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 142688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 142689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 142694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 142695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 142692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 142693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 142698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 142699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 142696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 142697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 142702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 142703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 142700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 142701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 142704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 142705#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 142522#true, 142523#false, 142526#(<= ULTIMATE.start_main_~i~5 2), 142527#(<= ULTIMATE.start_main_~i~5 3), 142524#(<= ULTIMATE.start_main_~i~5 0), 142525#(<= ULTIMATE.start_main_~i~5 1), 142530#(<= ULTIMATE.start_main_~i~5 6), 142531#(<= ULTIMATE.start_main_~i~5 7), 142528#(<= ULTIMATE.start_main_~i~5 4), 142529#(<= ULTIMATE.start_main_~i~5 5), 142534#(<= ULTIMATE.start_main_~i~5 10), 142535#(<= ULTIMATE.start_main_~i~5 11), 142532#(<= ULTIMATE.start_main_~i~5 8), 142533#(<= ULTIMATE.start_main_~i~5 9), 142538#(<= ULTIMATE.start_main_~i~5 14), 142539#(<= ULTIMATE.start_main_~i~5 15), 142536#(<= ULTIMATE.start_main_~i~5 12), 142537#(<= ULTIMATE.start_main_~i~5 13), 142542#(<= ULTIMATE.start_main_~i~5 18), 142543#(<= ULTIMATE.start_main_~i~5 19), 142540#(<= ULTIMATE.start_main_~i~5 16), 142541#(<= ULTIMATE.start_main_~i~5 17), 142546#(<= ULTIMATE.start_main_~i~5 22), 142547#(<= ULTIMATE.start_main_~i~5 23), 142544#(<= ULTIMATE.start_main_~i~5 20), 142545#(<= ULTIMATE.start_main_~i~5 21), 142550#(<= ULTIMATE.start_main_~i~5 26), 142551#(<= ULTIMATE.start_main_~i~5 27), 142548#(<= ULTIMATE.start_main_~i~5 24), 142549#(<= ULTIMATE.start_main_~i~5 25), 142554#(<= ULTIMATE.start_main_~i~5 30), 142555#(<= ULTIMATE.start_main_~i~5 31), 142552#(<= ULTIMATE.start_main_~i~5 28), 142553#(<= ULTIMATE.start_main_~i~5 29), 142558#(<= ULTIMATE.start_main_~i~5 34), 142559#(<= ULTIMATE.start_main_~i~5 35), 142556#(<= ULTIMATE.start_main_~i~5 32), 142557#(<= ULTIMATE.start_main_~i~5 33), 142562#(<= ULTIMATE.start_main_~i~5 38), 142563#(<= ULTIMATE.start_main_~i~5 39), 142560#(<= ULTIMATE.start_main_~i~5 36), 142561#(<= ULTIMATE.start_main_~i~5 37), 142566#(<= ULTIMATE.start_main_~i~5 42), 142567#(<= ULTIMATE.start_main_~i~5 43), 142564#(<= ULTIMATE.start_main_~i~5 40), 142565#(<= ULTIMATE.start_main_~i~5 41), 142570#(<= ULTIMATE.start_main_~i~5 46), 142571#(<= ULTIMATE.start_main_~i~5 47), 142568#(<= ULTIMATE.start_main_~i~5 44), 142569#(<= ULTIMATE.start_main_~i~5 45), 142574#(<= ULTIMATE.start_main_~i~5 50), 142575#(<= ULTIMATE.start_main_~i~5 51), 142572#(<= ULTIMATE.start_main_~i~5 48), 142573#(<= ULTIMATE.start_main_~i~5 49), 142578#(<= ULTIMATE.start_main_~i~5 54), 142579#(<= ULTIMATE.start_main_~i~5 55), 142576#(<= ULTIMATE.start_main_~i~5 52), 142577#(<= ULTIMATE.start_main_~i~5 53), 142582#(<= ULTIMATE.start_main_~i~5 58), 142583#(<= ULTIMATE.start_main_~i~5 59), 142580#(<= ULTIMATE.start_main_~i~5 56), 142581#(<= ULTIMATE.start_main_~i~5 57), 142586#(<= ULTIMATE.start_main_~i~5 62), 142587#(<= ULTIMATE.start_main_~i~5 63), 142584#(<= ULTIMATE.start_main_~i~5 60), 142585#(<= ULTIMATE.start_main_~i~5 61), 142590#(<= ULTIMATE.start_main_~i~5 66), 142591#(<= ULTIMATE.start_main_~i~5 67), 142588#(<= ULTIMATE.start_main_~i~5 64), 142589#(<= ULTIMATE.start_main_~i~5 65)] [2018-07-23 13:47:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16562 backedges. 8372 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:41,012 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:47:41,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:47:41,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8555, Invalid=25117, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:47:41,015 INFO L87 Difference]: Start difference. First operand 369 states and 370 transitions. Second operand 184 states. [2018-07-23 13:47:42,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:42,058 INFO L93 Difference]: Finished difference Result 557 states and 559 transitions. [2018-07-23 13:47:42,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:47:42,058 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 368 [2018-07-23 13:47:42,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:42,060 INFO L225 Difference]: With dead ends: 557 [2018-07-23 13:47:42,060 INFO L226 Difference]: Without dead ends: 371 [2018-07-23 13:47:42,066 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12195 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20930, Invalid=53872, Unknown=0, NotChecked=0, Total=74802 [2018-07-23 13:47:42,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-07-23 13:47:42,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2018-07-23 13:47:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-07-23 13:47:42,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 372 transitions. [2018-07-23 13:47:42,111 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 372 transitions. Word has length 368 [2018-07-23 13:47:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:42,111 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 372 transitions. [2018-07-23 13:47:42,111 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:47:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 372 transitions. [2018-07-23 13:47:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-07-23 13:47:42,113 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:42,114 INFO L357 BasicCegarLoop]: trace histogram [92, 92, 91, 91, 1, 1, 1, 1] [2018-07-23 13:47:42,114 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:42,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1816270277, now seen corresponding path program 137 times [2018-07-23 13:47:42,114 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 8372 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:43,307 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:43,307 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:47:43,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:43,307 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 13:47:43,307 INFO L185 omatonBuilderFactory]: Interpolants [144898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 144899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 144896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 144897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 144902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 144903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 144900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 144901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 144906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 144907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 144904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 144905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 144910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 144911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 144908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 144909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 144914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 144915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 144912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 144913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 144918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 144919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 144916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 144917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 144922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 144923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 144920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 144921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 144926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 144924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 144925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 144742#true, 144743#false, 144746#(<= ULTIMATE.start_main_~i~5 2), 144747#(<= ULTIMATE.start_main_~i~5 3), 144744#(<= ULTIMATE.start_main_~i~5 0), 144745#(<= ULTIMATE.start_main_~i~5 1), 144750#(<= ULTIMATE.start_main_~i~5 6), 144751#(<= ULTIMATE.start_main_~i~5 7), 144748#(<= ULTIMATE.start_main_~i~5 4), 144749#(<= ULTIMATE.start_main_~i~5 5), 144754#(<= ULTIMATE.start_main_~i~5 10), 144755#(<= ULTIMATE.start_main_~i~5 11), 144752#(<= ULTIMATE.start_main_~i~5 8), 144753#(<= ULTIMATE.start_main_~i~5 9), 144758#(<= ULTIMATE.start_main_~i~5 14), 144759#(<= ULTIMATE.start_main_~i~5 15), 144756#(<= ULTIMATE.start_main_~i~5 12), 144757#(<= ULTIMATE.start_main_~i~5 13), 144762#(<= ULTIMATE.start_main_~i~5 18), 144763#(<= ULTIMATE.start_main_~i~5 19), 144760#(<= ULTIMATE.start_main_~i~5 16), 144761#(<= ULTIMATE.start_main_~i~5 17), 144766#(<= ULTIMATE.start_main_~i~5 22), 144767#(<= ULTIMATE.start_main_~i~5 23), 144764#(<= ULTIMATE.start_main_~i~5 20), 144765#(<= ULTIMATE.start_main_~i~5 21), 144770#(<= ULTIMATE.start_main_~i~5 26), 144771#(<= ULTIMATE.start_main_~i~5 27), 144768#(<= ULTIMATE.start_main_~i~5 24), 144769#(<= ULTIMATE.start_main_~i~5 25), 144774#(<= ULTIMATE.start_main_~i~5 30), 144775#(<= ULTIMATE.start_main_~i~5 31), 144772#(<= ULTIMATE.start_main_~i~5 28), 144773#(<= ULTIMATE.start_main_~i~5 29), 144778#(<= ULTIMATE.start_main_~i~5 34), 144779#(<= ULTIMATE.start_main_~i~5 35), 144776#(<= ULTIMATE.start_main_~i~5 32), 144777#(<= ULTIMATE.start_main_~i~5 33), 144782#(<= ULTIMATE.start_main_~i~5 38), 144783#(<= ULTIMATE.start_main_~i~5 39), 144780#(<= ULTIMATE.start_main_~i~5 36), 144781#(<= ULTIMATE.start_main_~i~5 37), 144786#(<= ULTIMATE.start_main_~i~5 42), 144787#(<= ULTIMATE.start_main_~i~5 43), 144784#(<= ULTIMATE.start_main_~i~5 40), 144785#(<= ULTIMATE.start_main_~i~5 41), 144790#(<= ULTIMATE.start_main_~i~5 46), 144791#(<= ULTIMATE.start_main_~i~5 47), 144788#(<= ULTIMATE.start_main_~i~5 44), 144789#(<= ULTIMATE.start_main_~i~5 45), 144794#(<= ULTIMATE.start_main_~i~5 50), 144795#(<= ULTIMATE.start_main_~i~5 51), 144792#(<= ULTIMATE.start_main_~i~5 48), 144793#(<= ULTIMATE.start_main_~i~5 49), 144798#(<= ULTIMATE.start_main_~i~5 54), 144799#(<= ULTIMATE.start_main_~i~5 55), 144796#(<= ULTIMATE.start_main_~i~5 52), 144797#(<= ULTIMATE.start_main_~i~5 53), 144802#(<= ULTIMATE.start_main_~i~5 58), 144803#(<= ULTIMATE.start_main_~i~5 59), 144800#(<= ULTIMATE.start_main_~i~5 56), 144801#(<= ULTIMATE.start_main_~i~5 57), 144806#(<= ULTIMATE.start_main_~i~5 62), 144807#(<= ULTIMATE.start_main_~i~5 63), 144804#(<= ULTIMATE.start_main_~i~5 60), 144805#(<= ULTIMATE.start_main_~i~5 61), 144810#(<= ULTIMATE.start_main_~i~5 66), 144811#(<= ULTIMATE.start_main_~i~5 67), 144808#(<= ULTIMATE.start_main_~i~5 64), 144809#(<= ULTIMATE.start_main_~i~5 65), 144814#(<= ULTIMATE.start_main_~i~5 70), 144815#(<= ULTIMATE.start_main_~i~5 71), 144812#(<= ULTIMATE.start_main_~i~5 68), 144813#(<= ULTIMATE.start_main_~i~5 69), 144818#(<= ULTIMATE.start_main_~i~5 74), 144819#(<= ULTIMATE.start_main_~i~5 75), 144816#(<= ULTIMATE.start_main_~i~5 72), 144817#(<= ULTIMATE.start_main_~i~5 73), 144822#(<= ULTIMATE.start_main_~i~5 78), 144823#(<= ULTIMATE.start_main_~i~5 79), 144820#(<= ULTIMATE.start_main_~i~5 76), 144821#(<= ULTIMATE.start_main_~i~5 77), 144826#(<= ULTIMATE.start_main_~i~5 82), 144827#(<= ULTIMATE.start_main_~i~5 83), 144824#(<= ULTIMATE.start_main_~i~5 80), 144825#(<= ULTIMATE.start_main_~i~5 81), 144830#(<= ULTIMATE.start_main_~i~5 86), 144831#(<= ULTIMATE.start_main_~i~5 87), 144828#(<= ULTIMATE.start_main_~i~5 84), 144829#(<= ULTIMATE.start_main_~i~5 85), 144834#(<= ULTIMATE.start_main_~i~5 90), 144835#(<= ULTIMATE.start_main_~i~5 91), 144832#(<= ULTIMATE.start_main_~i~5 88), 144833#(<= ULTIMATE.start_main_~i~5 89), 144838#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 144839#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 144836#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 144837#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 144842#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 144843#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 144840#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 144841#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 144846#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 144847#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 144844#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 144845#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 144850#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 144851#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 144848#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 144849#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 144854#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 144855#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 144852#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 144853#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 144858#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 144859#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 144856#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 144857#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 144862#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 144863#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 144860#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 144861#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 144866#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 144867#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 144864#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 144865#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 144870#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 144871#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 144868#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 144869#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 144874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 144875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 144872#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 144873#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 144878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 144879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 144876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 144877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 144882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 144883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 144880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 144881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 144886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 144887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 144884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 144885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 144890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 144891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 144888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 144889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 144894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 144895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 144892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 144893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34))] [2018-07-23 13:47:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 8372 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:43,308 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:47:43,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:47:43,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8648, Invalid=25392, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:47:43,310 INFO L87 Difference]: Start difference. First operand 371 states and 372 transitions. Second operand 185 states. [2018-07-23 13:47:44,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:44,338 INFO L93 Difference]: Finished difference Result 559 states and 561 transitions. [2018-07-23 13:47:44,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:47:44,338 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 370 [2018-07-23 13:47:44,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:44,340 INFO L225 Difference]: With dead ends: 559 [2018-07-23 13:47:44,340 INFO L226 Difference]: Without dead ends: 373 [2018-07-23 13:47:44,345 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12286 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21297, Invalid=54603, Unknown=0, NotChecked=0, Total=75900 [2018-07-23 13:47:44,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-07-23 13:47:44,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-07-23 13:47:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-07-23 13:47:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 374 transitions. [2018-07-23 13:47:44,376 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 374 transitions. Word has length 370 [2018-07-23 13:47:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:44,377 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 374 transitions. [2018-07-23 13:47:44,377 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:47:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 374 transitions. [2018-07-23 13:47:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-07-23 13:47:44,378 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:44,378 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 92, 91, 1, 1, 1, 1] [2018-07-23 13:47:44,378 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:44,378 INFO L82 PathProgramCache]: Analyzing trace with hash 2070429239, now seen corresponding path program 138 times [2018-07-23 13:47:44,378 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 16928 backedges. 8556 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:45,089 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:45,089 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:47:45,089 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:45,089 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 13:47:45,089 INFO L185 omatonBuilderFactory]: Interpolants [146974#false, 146975#(<= 0 ULTIMATE.start_main_~k~5), 146973#true, 146978#(<= 3 ULTIMATE.start_main_~k~5), 146979#(<= 4 ULTIMATE.start_main_~k~5), 146976#(<= 1 ULTIMATE.start_main_~k~5), 146977#(<= 2 ULTIMATE.start_main_~k~5), 146982#(<= 7 ULTIMATE.start_main_~k~5), 146983#(<= 8 ULTIMATE.start_main_~k~5), 146980#(<= 5 ULTIMATE.start_main_~k~5), 146981#(<= 6 ULTIMATE.start_main_~k~5), 146986#(<= 11 ULTIMATE.start_main_~k~5), 146987#(<= 12 ULTIMATE.start_main_~k~5), 146984#(<= 9 ULTIMATE.start_main_~k~5), 146985#(<= 10 ULTIMATE.start_main_~k~5), 146990#(<= 15 ULTIMATE.start_main_~k~5), 146991#(<= 16 ULTIMATE.start_main_~k~5), 146988#(<= 13 ULTIMATE.start_main_~k~5), 146989#(<= 14 ULTIMATE.start_main_~k~5), 146994#(<= 19 ULTIMATE.start_main_~k~5), 146995#(<= 20 ULTIMATE.start_main_~k~5), 146992#(<= 17 ULTIMATE.start_main_~k~5), 146993#(<= 18 ULTIMATE.start_main_~k~5), 146998#(<= 23 ULTIMATE.start_main_~k~5), 146999#(<= 24 ULTIMATE.start_main_~k~5), 146996#(<= 21 ULTIMATE.start_main_~k~5), 146997#(<= 22 ULTIMATE.start_main_~k~5), 147002#(<= 27 ULTIMATE.start_main_~k~5), 147003#(<= 28 ULTIMATE.start_main_~k~5), 147000#(<= 25 ULTIMATE.start_main_~k~5), 147001#(<= 26 ULTIMATE.start_main_~k~5), 147006#(<= 31 ULTIMATE.start_main_~k~5), 147007#(<= 32 ULTIMATE.start_main_~k~5), 147004#(<= 29 ULTIMATE.start_main_~k~5), 147005#(<= 30 ULTIMATE.start_main_~k~5), 147010#(<= 35 ULTIMATE.start_main_~k~5), 147011#(<= 36 ULTIMATE.start_main_~k~5), 147008#(<= 33 ULTIMATE.start_main_~k~5), 147009#(<= 34 ULTIMATE.start_main_~k~5), 147014#(<= 39 ULTIMATE.start_main_~k~5), 147015#(<= 40 ULTIMATE.start_main_~k~5), 147012#(<= 37 ULTIMATE.start_main_~k~5), 147013#(<= 38 ULTIMATE.start_main_~k~5), 147018#(<= 43 ULTIMATE.start_main_~k~5), 147019#(<= 44 ULTIMATE.start_main_~k~5), 147016#(<= 41 ULTIMATE.start_main_~k~5), 147017#(<= 42 ULTIMATE.start_main_~k~5), 147022#(<= 47 ULTIMATE.start_main_~k~5), 147023#(<= 48 ULTIMATE.start_main_~k~5), 147020#(<= 45 ULTIMATE.start_main_~k~5), 147021#(<= 46 ULTIMATE.start_main_~k~5), 147026#(<= 51 ULTIMATE.start_main_~k~5), 147027#(<= 52 ULTIMATE.start_main_~k~5), 147024#(<= 49 ULTIMATE.start_main_~k~5), 147025#(<= 50 ULTIMATE.start_main_~k~5), 147030#(<= 55 ULTIMATE.start_main_~k~5), 147031#(<= 56 ULTIMATE.start_main_~k~5), 147028#(<= 53 ULTIMATE.start_main_~k~5), 147029#(<= 54 ULTIMATE.start_main_~k~5), 147034#(<= 59 ULTIMATE.start_main_~k~5), 147035#(<= 60 ULTIMATE.start_main_~k~5), 147032#(<= 57 ULTIMATE.start_main_~k~5), 147033#(<= 58 ULTIMATE.start_main_~k~5), 147038#(<= 63 ULTIMATE.start_main_~k~5), 147039#(<= 64 ULTIMATE.start_main_~k~5), 147036#(<= 61 ULTIMATE.start_main_~k~5), 147037#(<= 62 ULTIMATE.start_main_~k~5), 147042#(<= 67 ULTIMATE.start_main_~k~5), 147043#(<= 68 ULTIMATE.start_main_~k~5), 147040#(<= 65 ULTIMATE.start_main_~k~5), 147041#(<= 66 ULTIMATE.start_main_~k~5), 147046#(<= 71 ULTIMATE.start_main_~k~5), 147047#(<= 72 ULTIMATE.start_main_~k~5), 147044#(<= 69 ULTIMATE.start_main_~k~5), 147045#(<= 70 ULTIMATE.start_main_~k~5), 147050#(<= 75 ULTIMATE.start_main_~k~5), 147051#(<= 76 ULTIMATE.start_main_~k~5), 147048#(<= 73 ULTIMATE.start_main_~k~5), 147049#(<= 74 ULTIMATE.start_main_~k~5), 147054#(<= 79 ULTIMATE.start_main_~k~5), 147055#(<= 80 ULTIMATE.start_main_~k~5), 147052#(<= 77 ULTIMATE.start_main_~k~5), 147053#(<= 78 ULTIMATE.start_main_~k~5), 147058#(<= 83 ULTIMATE.start_main_~k~5), 147059#(<= 84 ULTIMATE.start_main_~k~5), 147056#(<= 81 ULTIMATE.start_main_~k~5), 147057#(<= 82 ULTIMATE.start_main_~k~5), 147062#(<= 87 ULTIMATE.start_main_~k~5), 147063#(<= 88 ULTIMATE.start_main_~k~5), 147060#(<= 85 ULTIMATE.start_main_~k~5), 147061#(<= 86 ULTIMATE.start_main_~k~5), 147066#(<= 91 ULTIMATE.start_main_~k~5), 147067#(<= 92 ULTIMATE.start_main_~k~5), 147064#(<= 89 ULTIMATE.start_main_~k~5), 147065#(<= 90 ULTIMATE.start_main_~k~5), 147068#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 92 ULTIMATE.start_main_~k~5)), 147069#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:47:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16928 backedges. 8556 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:45,090 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:47:45,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:47:45,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4562, Invalid=4750, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:47:45,091 INFO L87 Difference]: Start difference. First operand 373 states and 374 transitions. Second operand 97 states. [2018-07-23 13:47:45,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:45,529 INFO L93 Difference]: Finished difference Result 379 states and 381 transitions. [2018-07-23 13:47:45,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:47:45,529 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 372 [2018-07-23 13:47:45,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:45,530 INFO L225 Difference]: With dead ends: 379 [2018-07-23 13:47:45,530 INFO L226 Difference]: Without dead ends: 377 [2018-07-23 13:47:45,532 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8649 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13491, Invalid=22419, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:47:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-07-23 13:47:45,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-07-23 13:47:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-07-23 13:47:45,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 378 transitions. [2018-07-23 13:47:45,559 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 378 transitions. Word has length 372 [2018-07-23 13:47:45,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:45,560 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 378 transitions. [2018-07-23 13:47:45,560 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:47:45,560 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 378 transitions. [2018-07-23 13:47:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-07-23 13:47:45,561 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:45,561 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 93, 92, 1, 1, 1, 1] [2018-07-23 13:47:45,561 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash -148853461, now seen corresponding path program 139 times [2018-07-23 13:47:45,561 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 17298 backedges. 8742 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:46,817 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:46,817 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:47:46,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:46,817 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 13:47:46,818 INFO L185 omatonBuilderFactory]: Interpolants [148770#(<= ULTIMATE.start_main_~i~5 0), 148771#(<= ULTIMATE.start_main_~i~5 1), 148768#true, 148769#false, 148774#(<= ULTIMATE.start_main_~i~5 4), 148775#(<= ULTIMATE.start_main_~i~5 5), 148772#(<= ULTIMATE.start_main_~i~5 2), 148773#(<= ULTIMATE.start_main_~i~5 3), 148778#(<= ULTIMATE.start_main_~i~5 8), 148779#(<= ULTIMATE.start_main_~i~5 9), 148776#(<= ULTIMATE.start_main_~i~5 6), 148777#(<= ULTIMATE.start_main_~i~5 7), 148782#(<= ULTIMATE.start_main_~i~5 12), 148783#(<= ULTIMATE.start_main_~i~5 13), 148780#(<= ULTIMATE.start_main_~i~5 10), 148781#(<= ULTIMATE.start_main_~i~5 11), 148786#(<= ULTIMATE.start_main_~i~5 16), 148787#(<= ULTIMATE.start_main_~i~5 17), 148784#(<= ULTIMATE.start_main_~i~5 14), 148785#(<= ULTIMATE.start_main_~i~5 15), 148790#(<= ULTIMATE.start_main_~i~5 20), 148791#(<= ULTIMATE.start_main_~i~5 21), 148788#(<= ULTIMATE.start_main_~i~5 18), 148789#(<= ULTIMATE.start_main_~i~5 19), 148794#(<= ULTIMATE.start_main_~i~5 24), 148795#(<= ULTIMATE.start_main_~i~5 25), 148792#(<= ULTIMATE.start_main_~i~5 22), 148793#(<= ULTIMATE.start_main_~i~5 23), 148798#(<= ULTIMATE.start_main_~i~5 28), 148799#(<= ULTIMATE.start_main_~i~5 29), 148796#(<= ULTIMATE.start_main_~i~5 26), 148797#(<= ULTIMATE.start_main_~i~5 27), 148802#(<= ULTIMATE.start_main_~i~5 32), 148803#(<= ULTIMATE.start_main_~i~5 33), 148800#(<= ULTIMATE.start_main_~i~5 30), 148801#(<= ULTIMATE.start_main_~i~5 31), 148806#(<= ULTIMATE.start_main_~i~5 36), 148807#(<= ULTIMATE.start_main_~i~5 37), 148804#(<= ULTIMATE.start_main_~i~5 34), 148805#(<= ULTIMATE.start_main_~i~5 35), 148810#(<= ULTIMATE.start_main_~i~5 40), 148811#(<= ULTIMATE.start_main_~i~5 41), 148808#(<= ULTIMATE.start_main_~i~5 38), 148809#(<= ULTIMATE.start_main_~i~5 39), 148814#(<= ULTIMATE.start_main_~i~5 44), 148815#(<= ULTIMATE.start_main_~i~5 45), 148812#(<= ULTIMATE.start_main_~i~5 42), 148813#(<= ULTIMATE.start_main_~i~5 43), 148818#(<= ULTIMATE.start_main_~i~5 48), 148819#(<= ULTIMATE.start_main_~i~5 49), 148816#(<= ULTIMATE.start_main_~i~5 46), 148817#(<= ULTIMATE.start_main_~i~5 47), 148822#(<= ULTIMATE.start_main_~i~5 52), 148823#(<= ULTIMATE.start_main_~i~5 53), 148820#(<= ULTIMATE.start_main_~i~5 50), 148821#(<= ULTIMATE.start_main_~i~5 51), 148826#(<= ULTIMATE.start_main_~i~5 56), 148827#(<= ULTIMATE.start_main_~i~5 57), 148824#(<= ULTIMATE.start_main_~i~5 54), 148825#(<= ULTIMATE.start_main_~i~5 55), 148830#(<= ULTIMATE.start_main_~i~5 60), 148831#(<= ULTIMATE.start_main_~i~5 61), 148828#(<= ULTIMATE.start_main_~i~5 58), 148829#(<= ULTIMATE.start_main_~i~5 59), 148834#(<= ULTIMATE.start_main_~i~5 64), 148835#(<= ULTIMATE.start_main_~i~5 65), 148832#(<= ULTIMATE.start_main_~i~5 62), 148833#(<= ULTIMATE.start_main_~i~5 63), 148838#(<= ULTIMATE.start_main_~i~5 68), 148839#(<= ULTIMATE.start_main_~i~5 69), 148836#(<= ULTIMATE.start_main_~i~5 66), 148837#(<= ULTIMATE.start_main_~i~5 67), 148842#(<= ULTIMATE.start_main_~i~5 72), 148843#(<= ULTIMATE.start_main_~i~5 73), 148840#(<= ULTIMATE.start_main_~i~5 70), 148841#(<= ULTIMATE.start_main_~i~5 71), 148846#(<= ULTIMATE.start_main_~i~5 76), 148847#(<= ULTIMATE.start_main_~i~5 77), 148844#(<= ULTIMATE.start_main_~i~5 74), 148845#(<= ULTIMATE.start_main_~i~5 75), 148850#(<= ULTIMATE.start_main_~i~5 80), 148851#(<= ULTIMATE.start_main_~i~5 81), 148848#(<= ULTIMATE.start_main_~i~5 78), 148849#(<= ULTIMATE.start_main_~i~5 79), 148854#(<= ULTIMATE.start_main_~i~5 84), 148855#(<= ULTIMATE.start_main_~i~5 85), 148852#(<= ULTIMATE.start_main_~i~5 82), 148853#(<= ULTIMATE.start_main_~i~5 83), 148858#(<= ULTIMATE.start_main_~i~5 88), 148859#(<= ULTIMATE.start_main_~i~5 89), 148856#(<= ULTIMATE.start_main_~i~5 86), 148857#(<= ULTIMATE.start_main_~i~5 87), 148862#(<= ULTIMATE.start_main_~i~5 92), 148863#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 148860#(<= ULTIMATE.start_main_~i~5 90), 148861#(<= ULTIMATE.start_main_~i~5 91), 148866#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 148867#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 148864#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 148865#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 148870#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 148871#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 148868#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 148869#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 148874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 148875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 148872#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 148873#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 148878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 148879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 148876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 148877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 148882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 148883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 148880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 148881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 148886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 148887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 148884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 148885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 148890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 148891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 148888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 148889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 148894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 148895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 148892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 148893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 148898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 148899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 148896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 148897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 148902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 148903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 148900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 148901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 148906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 148907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 148904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 148905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 148910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 148911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 148908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 148909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 148914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 148915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 148912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 148913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 148918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 148919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 148916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 148917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 148922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 148923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 148920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 148921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 148926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 148927#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 148924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 148925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 148930#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 148931#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 148928#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 148929#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 148934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 148935#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 148932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 148933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 148938#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 148939#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 148936#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 148937#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 148942#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 148943#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 148940#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 148941#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 148946#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 148947#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 148944#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 148945#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 148950#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 148951#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 148948#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 148949#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 148954#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 148955#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 148952#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 148953#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2))] [2018-07-23 13:47:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 17298 backedges. 8742 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:46,819 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:47:46,819 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:47:46,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8929, Invalid=26227, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:47:46,820 INFO L87 Difference]: Start difference. First operand 377 states and 378 transitions. Second operand 188 states. [2018-07-23 13:47:47,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:47,953 INFO L93 Difference]: Finished difference Result 569 states and 571 transitions. [2018-07-23 13:47:47,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:47:47,953 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 376 [2018-07-23 13:47:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:47,954 INFO L225 Difference]: With dead ends: 569 [2018-07-23 13:47:47,954 INFO L226 Difference]: Without dead ends: 379 [2018-07-23 13:47:47,958 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12742 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21855, Invalid=56265, Unknown=0, NotChecked=0, Total=78120 [2018-07-23 13:47:47,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-07-23 13:47:47,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-07-23 13:47:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-07-23 13:47:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 380 transitions. [2018-07-23 13:47:47,985 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 380 transitions. Word has length 376 [2018-07-23 13:47:47,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:47,986 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 380 transitions. [2018-07-23 13:47:47,986 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:47:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 380 transitions. [2018-07-23 13:47:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-07-23 13:47:47,987 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:47,987 INFO L357 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 1, 1, 1, 1] [2018-07-23 13:47:47,987 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:47,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1356655577, now seen corresponding path program 140 times [2018-07-23 13:47:47,987 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 17484 backedges. 8742 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:49,163 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:49,163 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:47:49,164 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:49,164 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 13:47:49,164 INFO L185 omatonBuilderFactory]: Interpolants [151042#(<= ULTIMATE.start_main_~i~5 4), 151043#(<= ULTIMATE.start_main_~i~5 5), 151040#(<= ULTIMATE.start_main_~i~5 2), 151041#(<= ULTIMATE.start_main_~i~5 3), 151046#(<= ULTIMATE.start_main_~i~5 8), 151047#(<= ULTIMATE.start_main_~i~5 9), 151044#(<= ULTIMATE.start_main_~i~5 6), 151045#(<= ULTIMATE.start_main_~i~5 7), 151050#(<= ULTIMATE.start_main_~i~5 12), 151051#(<= ULTIMATE.start_main_~i~5 13), 151048#(<= ULTIMATE.start_main_~i~5 10), 151049#(<= ULTIMATE.start_main_~i~5 11), 151054#(<= ULTIMATE.start_main_~i~5 16), 151055#(<= ULTIMATE.start_main_~i~5 17), 151052#(<= ULTIMATE.start_main_~i~5 14), 151053#(<= ULTIMATE.start_main_~i~5 15), 151058#(<= ULTIMATE.start_main_~i~5 20), 151059#(<= ULTIMATE.start_main_~i~5 21), 151056#(<= ULTIMATE.start_main_~i~5 18), 151057#(<= ULTIMATE.start_main_~i~5 19), 151062#(<= ULTIMATE.start_main_~i~5 24), 151063#(<= ULTIMATE.start_main_~i~5 25), 151060#(<= ULTIMATE.start_main_~i~5 22), 151061#(<= ULTIMATE.start_main_~i~5 23), 151066#(<= ULTIMATE.start_main_~i~5 28), 151067#(<= ULTIMATE.start_main_~i~5 29), 151064#(<= ULTIMATE.start_main_~i~5 26), 151065#(<= ULTIMATE.start_main_~i~5 27), 151070#(<= ULTIMATE.start_main_~i~5 32), 151071#(<= ULTIMATE.start_main_~i~5 33), 151068#(<= ULTIMATE.start_main_~i~5 30), 151069#(<= ULTIMATE.start_main_~i~5 31), 151074#(<= ULTIMATE.start_main_~i~5 36), 151075#(<= ULTIMATE.start_main_~i~5 37), 151072#(<= ULTIMATE.start_main_~i~5 34), 151073#(<= ULTIMATE.start_main_~i~5 35), 151078#(<= ULTIMATE.start_main_~i~5 40), 151079#(<= ULTIMATE.start_main_~i~5 41), 151076#(<= ULTIMATE.start_main_~i~5 38), 151077#(<= ULTIMATE.start_main_~i~5 39), 151082#(<= ULTIMATE.start_main_~i~5 44), 151083#(<= ULTIMATE.start_main_~i~5 45), 151080#(<= ULTIMATE.start_main_~i~5 42), 151081#(<= ULTIMATE.start_main_~i~5 43), 151086#(<= ULTIMATE.start_main_~i~5 48), 151087#(<= ULTIMATE.start_main_~i~5 49), 151084#(<= ULTIMATE.start_main_~i~5 46), 151085#(<= ULTIMATE.start_main_~i~5 47), 151090#(<= ULTIMATE.start_main_~i~5 52), 151091#(<= ULTIMATE.start_main_~i~5 53), 151088#(<= ULTIMATE.start_main_~i~5 50), 151089#(<= ULTIMATE.start_main_~i~5 51), 151094#(<= ULTIMATE.start_main_~i~5 56), 151095#(<= ULTIMATE.start_main_~i~5 57), 151092#(<= ULTIMATE.start_main_~i~5 54), 151093#(<= ULTIMATE.start_main_~i~5 55), 151098#(<= ULTIMATE.start_main_~i~5 60), 151099#(<= ULTIMATE.start_main_~i~5 61), 151096#(<= ULTIMATE.start_main_~i~5 58), 151097#(<= ULTIMATE.start_main_~i~5 59), 151102#(<= ULTIMATE.start_main_~i~5 64), 151103#(<= ULTIMATE.start_main_~i~5 65), 151100#(<= ULTIMATE.start_main_~i~5 62), 151101#(<= ULTIMATE.start_main_~i~5 63), 151106#(<= ULTIMATE.start_main_~i~5 68), 151107#(<= ULTIMATE.start_main_~i~5 69), 151104#(<= ULTIMATE.start_main_~i~5 66), 151105#(<= ULTIMATE.start_main_~i~5 67), 151110#(<= ULTIMATE.start_main_~i~5 72), 151111#(<= ULTIMATE.start_main_~i~5 73), 151108#(<= ULTIMATE.start_main_~i~5 70), 151109#(<= ULTIMATE.start_main_~i~5 71), 151114#(<= ULTIMATE.start_main_~i~5 76), 151115#(<= ULTIMATE.start_main_~i~5 77), 151112#(<= ULTIMATE.start_main_~i~5 74), 151113#(<= ULTIMATE.start_main_~i~5 75), 151118#(<= ULTIMATE.start_main_~i~5 80), 151119#(<= ULTIMATE.start_main_~i~5 81), 151116#(<= ULTIMATE.start_main_~i~5 78), 151117#(<= ULTIMATE.start_main_~i~5 79), 151122#(<= ULTIMATE.start_main_~i~5 84), 151123#(<= ULTIMATE.start_main_~i~5 85), 151120#(<= ULTIMATE.start_main_~i~5 82), 151121#(<= ULTIMATE.start_main_~i~5 83), 151126#(<= ULTIMATE.start_main_~i~5 88), 151127#(<= ULTIMATE.start_main_~i~5 89), 151124#(<= ULTIMATE.start_main_~i~5 86), 151125#(<= ULTIMATE.start_main_~i~5 87), 151130#(<= ULTIMATE.start_main_~i~5 92), 151131#(<= ULTIMATE.start_main_~i~5 93), 151128#(<= ULTIMATE.start_main_~i~5 90), 151129#(<= ULTIMATE.start_main_~i~5 91), 151134#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 151135#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 151132#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 151133#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 151138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 151139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 151136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 151137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 151142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 151143#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 151140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 151141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 151146#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 151147#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 151144#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 151145#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 151150#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 151151#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 151148#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 151149#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 151154#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 151155#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 151152#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 151153#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 151158#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 151159#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 151156#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 151157#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 151162#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 151163#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 151160#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 151161#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 151166#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 151167#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 151164#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 151165#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 151170#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 151171#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 151168#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 151169#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 151174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 151175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 151172#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 151173#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 151178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 151179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 151176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 151177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 151182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 151183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 151180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 151181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 151186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 151187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 151184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 151185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 151190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 151191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 151188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 151189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 151194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 151195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 151192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 151193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 151198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 151199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 151196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 151197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 151202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 151203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 151200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 151201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 151206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 151207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 151204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 151205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 151210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 151211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 151208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 151209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 151214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 151215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 151212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 151213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 151218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 151219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 151216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 151217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 151222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 151223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 151220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 151221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 151224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 151038#(<= ULTIMATE.start_main_~i~5 0), 151039#(<= ULTIMATE.start_main_~i~5 1), 151036#true, 151037#false] [2018-07-23 13:47:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 17484 backedges. 8742 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:49,165 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:47:49,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:47:49,168 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9024, Invalid=26508, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:47:49,168 INFO L87 Difference]: Start difference. First operand 379 states and 380 transitions. Second operand 189 states. [2018-07-23 13:47:50,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:50,424 INFO L93 Difference]: Finished difference Result 571 states and 573 transitions. [2018-07-23 13:47:50,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:47:50,425 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 378 [2018-07-23 13:47:50,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:50,426 INFO L225 Difference]: With dead ends: 571 [2018-07-23 13:47:50,426 INFO L226 Difference]: Without dead ends: 381 [2018-07-23 13:47:50,432 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12835 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=22230, Invalid=57012, Unknown=0, NotChecked=0, Total=79242 [2018-07-23 13:47:50,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-07-23 13:47:50,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-07-23 13:47:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-07-23 13:47:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 382 transitions. [2018-07-23 13:47:50,478 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 382 transitions. Word has length 378 [2018-07-23 13:47:50,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:50,479 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 382 transitions. [2018-07-23 13:47:50,479 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:47:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 382 transitions. [2018-07-23 13:47:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-07-23 13:47:50,480 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:50,481 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 94, 93, 1, 1, 1, 1] [2018-07-23 13:47:50,481 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:50,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1881648163, now seen corresponding path program 141 times [2018-07-23 13:47:50,481 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 17672 backedges. 8930 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,266 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:51,266 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:47:51,266 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:51,266 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 13:47:51,266 INFO L185 omatonBuilderFactory]: Interpolants [153346#(<= 29 ULTIMATE.start_main_~k~5), 153347#(<= 30 ULTIMATE.start_main_~k~5), 153344#(<= 27 ULTIMATE.start_main_~k~5), 153345#(<= 28 ULTIMATE.start_main_~k~5), 153350#(<= 33 ULTIMATE.start_main_~k~5), 153351#(<= 34 ULTIMATE.start_main_~k~5), 153348#(<= 31 ULTIMATE.start_main_~k~5), 153349#(<= 32 ULTIMATE.start_main_~k~5), 153354#(<= 37 ULTIMATE.start_main_~k~5), 153355#(<= 38 ULTIMATE.start_main_~k~5), 153352#(<= 35 ULTIMATE.start_main_~k~5), 153353#(<= 36 ULTIMATE.start_main_~k~5), 153358#(<= 41 ULTIMATE.start_main_~k~5), 153359#(<= 42 ULTIMATE.start_main_~k~5), 153356#(<= 39 ULTIMATE.start_main_~k~5), 153357#(<= 40 ULTIMATE.start_main_~k~5), 153362#(<= 45 ULTIMATE.start_main_~k~5), 153363#(<= 46 ULTIMATE.start_main_~k~5), 153360#(<= 43 ULTIMATE.start_main_~k~5), 153361#(<= 44 ULTIMATE.start_main_~k~5), 153366#(<= 49 ULTIMATE.start_main_~k~5), 153367#(<= 50 ULTIMATE.start_main_~k~5), 153364#(<= 47 ULTIMATE.start_main_~k~5), 153365#(<= 48 ULTIMATE.start_main_~k~5), 153370#(<= 53 ULTIMATE.start_main_~k~5), 153371#(<= 54 ULTIMATE.start_main_~k~5), 153368#(<= 51 ULTIMATE.start_main_~k~5), 153369#(<= 52 ULTIMATE.start_main_~k~5), 153374#(<= 57 ULTIMATE.start_main_~k~5), 153375#(<= 58 ULTIMATE.start_main_~k~5), 153372#(<= 55 ULTIMATE.start_main_~k~5), 153373#(<= 56 ULTIMATE.start_main_~k~5), 153378#(<= 61 ULTIMATE.start_main_~k~5), 153379#(<= 62 ULTIMATE.start_main_~k~5), 153376#(<= 59 ULTIMATE.start_main_~k~5), 153377#(<= 60 ULTIMATE.start_main_~k~5), 153382#(<= 65 ULTIMATE.start_main_~k~5), 153383#(<= 66 ULTIMATE.start_main_~k~5), 153380#(<= 63 ULTIMATE.start_main_~k~5), 153381#(<= 64 ULTIMATE.start_main_~k~5), 153386#(<= 69 ULTIMATE.start_main_~k~5), 153387#(<= 70 ULTIMATE.start_main_~k~5), 153384#(<= 67 ULTIMATE.start_main_~k~5), 153385#(<= 68 ULTIMATE.start_main_~k~5), 153390#(<= 73 ULTIMATE.start_main_~k~5), 153391#(<= 74 ULTIMATE.start_main_~k~5), 153388#(<= 71 ULTIMATE.start_main_~k~5), 153389#(<= 72 ULTIMATE.start_main_~k~5), 153394#(<= 77 ULTIMATE.start_main_~k~5), 153395#(<= 78 ULTIMATE.start_main_~k~5), 153392#(<= 75 ULTIMATE.start_main_~k~5), 153393#(<= 76 ULTIMATE.start_main_~k~5), 153398#(<= 81 ULTIMATE.start_main_~k~5), 153399#(<= 82 ULTIMATE.start_main_~k~5), 153396#(<= 79 ULTIMATE.start_main_~k~5), 153397#(<= 80 ULTIMATE.start_main_~k~5), 153402#(<= 85 ULTIMATE.start_main_~k~5), 153403#(<= 86 ULTIMATE.start_main_~k~5), 153400#(<= 83 ULTIMATE.start_main_~k~5), 153401#(<= 84 ULTIMATE.start_main_~k~5), 153406#(<= 89 ULTIMATE.start_main_~k~5), 153407#(<= 90 ULTIMATE.start_main_~k~5), 153404#(<= 87 ULTIMATE.start_main_~k~5), 153405#(<= 88 ULTIMATE.start_main_~k~5), 153410#(<= 93 ULTIMATE.start_main_~k~5), 153411#(<= 94 ULTIMATE.start_main_~k~5), 153408#(<= 91 ULTIMATE.start_main_~k~5), 153409#(<= 92 ULTIMATE.start_main_~k~5), 153412#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 94 ULTIMATE.start_main_~k~5)), 153413#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 153315#true, 153318#(<= 1 ULTIMATE.start_main_~k~5), 153319#(<= 2 ULTIMATE.start_main_~k~5), 153316#false, 153317#(<= 0 ULTIMATE.start_main_~k~5), 153322#(<= 5 ULTIMATE.start_main_~k~5), 153323#(<= 6 ULTIMATE.start_main_~k~5), 153320#(<= 3 ULTIMATE.start_main_~k~5), 153321#(<= 4 ULTIMATE.start_main_~k~5), 153326#(<= 9 ULTIMATE.start_main_~k~5), 153327#(<= 10 ULTIMATE.start_main_~k~5), 153324#(<= 7 ULTIMATE.start_main_~k~5), 153325#(<= 8 ULTIMATE.start_main_~k~5), 153330#(<= 13 ULTIMATE.start_main_~k~5), 153331#(<= 14 ULTIMATE.start_main_~k~5), 153328#(<= 11 ULTIMATE.start_main_~k~5), 153329#(<= 12 ULTIMATE.start_main_~k~5), 153334#(<= 17 ULTIMATE.start_main_~k~5), 153335#(<= 18 ULTIMATE.start_main_~k~5), 153332#(<= 15 ULTIMATE.start_main_~k~5), 153333#(<= 16 ULTIMATE.start_main_~k~5), 153338#(<= 21 ULTIMATE.start_main_~k~5), 153339#(<= 22 ULTIMATE.start_main_~k~5), 153336#(<= 19 ULTIMATE.start_main_~k~5), 153337#(<= 20 ULTIMATE.start_main_~k~5), 153342#(<= 25 ULTIMATE.start_main_~k~5), 153343#(<= 26 ULTIMATE.start_main_~k~5), 153340#(<= 23 ULTIMATE.start_main_~k~5), 153341#(<= 24 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17672 backedges. 8930 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,267 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:47:51,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:47:51,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4755, Invalid=4947, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:47:51,268 INFO L87 Difference]: Start difference. First operand 381 states and 382 transitions. Second operand 99 states. [2018-07-23 13:47:51,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:51,733 INFO L93 Difference]: Finished difference Result 387 states and 389 transitions. [2018-07-23 13:47:51,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:47:51,733 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 380 [2018-07-23 13:47:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:51,734 INFO L225 Difference]: With dead ends: 387 [2018-07-23 13:47:51,734 INFO L226 Difference]: Without dead ends: 385 [2018-07-23 13:47:51,736 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9025 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14066, Invalid=23376, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:47:51,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-07-23 13:47:51,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2018-07-23 13:47:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-07-23 13:47:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 386 transitions. [2018-07-23 13:47:51,767 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 386 transitions. Word has length 380 [2018-07-23 13:47:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:51,767 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 386 transitions. [2018-07-23 13:47:51,767 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:47:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 386 transitions. [2018-07-23 13:47:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-07-23 13:47:51,768 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:51,768 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 95, 94, 1, 1, 1, 1] [2018-07-23 13:47:51,768 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:51,769 INFO L82 PathProgramCache]: Analyzing trace with hash -2124462825, now seen corresponding path program 142 times [2018-07-23 13:47:51,769 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 18050 backedges. 9120 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:53,008 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:53,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:47:53,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:53,009 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 13:47:53,010 INFO L185 omatonBuilderFactory]: Interpolants [155150#(<= ULTIMATE.start_main_~i~5 0), 155151#(<= ULTIMATE.start_main_~i~5 1), 155148#true, 155149#false, 155154#(<= ULTIMATE.start_main_~i~5 4), 155155#(<= ULTIMATE.start_main_~i~5 5), 155152#(<= ULTIMATE.start_main_~i~5 2), 155153#(<= ULTIMATE.start_main_~i~5 3), 155158#(<= ULTIMATE.start_main_~i~5 8), 155159#(<= ULTIMATE.start_main_~i~5 9), 155156#(<= ULTIMATE.start_main_~i~5 6), 155157#(<= ULTIMATE.start_main_~i~5 7), 155162#(<= ULTIMATE.start_main_~i~5 12), 155163#(<= ULTIMATE.start_main_~i~5 13), 155160#(<= ULTIMATE.start_main_~i~5 10), 155161#(<= ULTIMATE.start_main_~i~5 11), 155166#(<= ULTIMATE.start_main_~i~5 16), 155167#(<= ULTIMATE.start_main_~i~5 17), 155164#(<= ULTIMATE.start_main_~i~5 14), 155165#(<= ULTIMATE.start_main_~i~5 15), 155170#(<= ULTIMATE.start_main_~i~5 20), 155171#(<= ULTIMATE.start_main_~i~5 21), 155168#(<= ULTIMATE.start_main_~i~5 18), 155169#(<= ULTIMATE.start_main_~i~5 19), 155174#(<= ULTIMATE.start_main_~i~5 24), 155175#(<= ULTIMATE.start_main_~i~5 25), 155172#(<= ULTIMATE.start_main_~i~5 22), 155173#(<= ULTIMATE.start_main_~i~5 23), 155178#(<= ULTIMATE.start_main_~i~5 28), 155179#(<= ULTIMATE.start_main_~i~5 29), 155176#(<= ULTIMATE.start_main_~i~5 26), 155177#(<= ULTIMATE.start_main_~i~5 27), 155182#(<= ULTIMATE.start_main_~i~5 32), 155183#(<= ULTIMATE.start_main_~i~5 33), 155180#(<= ULTIMATE.start_main_~i~5 30), 155181#(<= ULTIMATE.start_main_~i~5 31), 155186#(<= ULTIMATE.start_main_~i~5 36), 155187#(<= ULTIMATE.start_main_~i~5 37), 155184#(<= ULTIMATE.start_main_~i~5 34), 155185#(<= ULTIMATE.start_main_~i~5 35), 155190#(<= ULTIMATE.start_main_~i~5 40), 155191#(<= ULTIMATE.start_main_~i~5 41), 155188#(<= ULTIMATE.start_main_~i~5 38), 155189#(<= ULTIMATE.start_main_~i~5 39), 155194#(<= ULTIMATE.start_main_~i~5 44), 155195#(<= ULTIMATE.start_main_~i~5 45), 155192#(<= ULTIMATE.start_main_~i~5 42), 155193#(<= ULTIMATE.start_main_~i~5 43), 155198#(<= ULTIMATE.start_main_~i~5 48), 155199#(<= ULTIMATE.start_main_~i~5 49), 155196#(<= ULTIMATE.start_main_~i~5 46), 155197#(<= ULTIMATE.start_main_~i~5 47), 155202#(<= ULTIMATE.start_main_~i~5 52), 155203#(<= ULTIMATE.start_main_~i~5 53), 155200#(<= ULTIMATE.start_main_~i~5 50), 155201#(<= ULTIMATE.start_main_~i~5 51), 155206#(<= ULTIMATE.start_main_~i~5 56), 155207#(<= ULTIMATE.start_main_~i~5 57), 155204#(<= ULTIMATE.start_main_~i~5 54), 155205#(<= ULTIMATE.start_main_~i~5 55), 155210#(<= ULTIMATE.start_main_~i~5 60), 155211#(<= ULTIMATE.start_main_~i~5 61), 155208#(<= ULTIMATE.start_main_~i~5 58), 155209#(<= ULTIMATE.start_main_~i~5 59), 155214#(<= ULTIMATE.start_main_~i~5 64), 155215#(<= ULTIMATE.start_main_~i~5 65), 155212#(<= ULTIMATE.start_main_~i~5 62), 155213#(<= ULTIMATE.start_main_~i~5 63), 155218#(<= ULTIMATE.start_main_~i~5 68), 155219#(<= ULTIMATE.start_main_~i~5 69), 155216#(<= ULTIMATE.start_main_~i~5 66), 155217#(<= ULTIMATE.start_main_~i~5 67), 155222#(<= ULTIMATE.start_main_~i~5 72), 155223#(<= ULTIMATE.start_main_~i~5 73), 155220#(<= ULTIMATE.start_main_~i~5 70), 155221#(<= ULTIMATE.start_main_~i~5 71), 155226#(<= ULTIMATE.start_main_~i~5 76), 155227#(<= ULTIMATE.start_main_~i~5 77), 155224#(<= ULTIMATE.start_main_~i~5 74), 155225#(<= ULTIMATE.start_main_~i~5 75), 155230#(<= ULTIMATE.start_main_~i~5 80), 155231#(<= ULTIMATE.start_main_~i~5 81), 155228#(<= ULTIMATE.start_main_~i~5 78), 155229#(<= ULTIMATE.start_main_~i~5 79), 155234#(<= ULTIMATE.start_main_~i~5 84), 155235#(<= ULTIMATE.start_main_~i~5 85), 155232#(<= ULTIMATE.start_main_~i~5 82), 155233#(<= ULTIMATE.start_main_~i~5 83), 155238#(<= ULTIMATE.start_main_~i~5 88), 155239#(<= ULTIMATE.start_main_~i~5 89), 155236#(<= ULTIMATE.start_main_~i~5 86), 155237#(<= ULTIMATE.start_main_~i~5 87), 155242#(<= ULTIMATE.start_main_~i~5 92), 155243#(<= ULTIMATE.start_main_~i~5 93), 155240#(<= ULTIMATE.start_main_~i~5 90), 155241#(<= ULTIMATE.start_main_~i~5 91), 155246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 155247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 155244#(<= ULTIMATE.start_main_~i~5 94), 155245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 155250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 155251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 155248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 155249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 155254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 155255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 155252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 155253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 155258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 155259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 155256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 155257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 155262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 155263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 155260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 155261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 155266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 155267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 155264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 155265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 155270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 155271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 155268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 155269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 155274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 155275#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 155272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 155273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 155278#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 155279#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 155276#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 155277#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 155282#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 155283#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 155280#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 155281#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 155286#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 155287#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 155284#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 155285#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 155290#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 155291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 155288#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 155289#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 155294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 155295#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 155292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 155293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 155298#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 155299#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 155296#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 155297#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 155302#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 155303#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 155300#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 155301#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 155306#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 155307#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 155304#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 155305#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 155310#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 155311#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 155308#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 155309#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 155314#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 155315#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 155312#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 155313#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 155318#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 155319#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 155316#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 155317#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 155322#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 155323#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 155320#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 155321#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 155326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 155327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 155324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 155325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 155330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 155331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 155328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 155329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 155334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 155335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 155332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 155333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 155338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 155339#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 155336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 155337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2))] [2018-07-23 13:47:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 18050 backedges. 9120 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:53,011 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:47:53,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:47:53,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:47:53,014 INFO L87 Difference]: Start difference. First operand 385 states and 386 transitions. Second operand 192 states. [2018-07-23 13:47:54,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:54,422 INFO L93 Difference]: Finished difference Result 581 states and 583 transitions. [2018-07-23 13:47:54,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:47:54,423 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 384 [2018-07-23 13:47:54,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:54,423 INFO L225 Difference]: With dead ends: 581 [2018-07-23 13:47:54,423 INFO L226 Difference]: Without dead ends: 387 [2018-07-23 13:47:54,425 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13301 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=22800, Invalid=58710, Unknown=0, NotChecked=0, Total=81510 [2018-07-23 13:47:54,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-07-23 13:47:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2018-07-23 13:47:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-07-23 13:47:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 388 transitions. [2018-07-23 13:47:54,458 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 388 transitions. Word has length 384 [2018-07-23 13:47:54,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:54,458 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 388 transitions. [2018-07-23 13:47:54,458 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:47:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 388 transitions. [2018-07-23 13:47:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-07-23 13:47:54,460 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:54,460 INFO L357 BasicCegarLoop]: trace histogram [96, 96, 95, 95, 1, 1, 1, 1] [2018-07-23 13:47:54,460 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:54,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1324937235, now seen corresponding path program 143 times [2018-07-23 13:47:54,460 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18240 backedges. 9120 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:55,745 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:55,745 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:47:55,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:55,746 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 13:47:55,746 INFO L185 omatonBuilderFactory]: Interpolants [157466#(<= ULTIMATE.start_main_~i~5 0), 157467#(<= ULTIMATE.start_main_~i~5 1), 157464#true, 157465#false, 157470#(<= ULTIMATE.start_main_~i~5 4), 157471#(<= ULTIMATE.start_main_~i~5 5), 157468#(<= ULTIMATE.start_main_~i~5 2), 157469#(<= ULTIMATE.start_main_~i~5 3), 157474#(<= ULTIMATE.start_main_~i~5 8), 157475#(<= ULTIMATE.start_main_~i~5 9), 157472#(<= ULTIMATE.start_main_~i~5 6), 157473#(<= ULTIMATE.start_main_~i~5 7), 157478#(<= ULTIMATE.start_main_~i~5 12), 157479#(<= ULTIMATE.start_main_~i~5 13), 157476#(<= ULTIMATE.start_main_~i~5 10), 157477#(<= ULTIMATE.start_main_~i~5 11), 157482#(<= ULTIMATE.start_main_~i~5 16), 157483#(<= ULTIMATE.start_main_~i~5 17), 157480#(<= ULTIMATE.start_main_~i~5 14), 157481#(<= ULTIMATE.start_main_~i~5 15), 157486#(<= ULTIMATE.start_main_~i~5 20), 157487#(<= ULTIMATE.start_main_~i~5 21), 157484#(<= ULTIMATE.start_main_~i~5 18), 157485#(<= ULTIMATE.start_main_~i~5 19), 157490#(<= ULTIMATE.start_main_~i~5 24), 157491#(<= ULTIMATE.start_main_~i~5 25), 157488#(<= ULTIMATE.start_main_~i~5 22), 157489#(<= ULTIMATE.start_main_~i~5 23), 157494#(<= ULTIMATE.start_main_~i~5 28), 157495#(<= ULTIMATE.start_main_~i~5 29), 157492#(<= ULTIMATE.start_main_~i~5 26), 157493#(<= ULTIMATE.start_main_~i~5 27), 157498#(<= ULTIMATE.start_main_~i~5 32), 157499#(<= ULTIMATE.start_main_~i~5 33), 157496#(<= ULTIMATE.start_main_~i~5 30), 157497#(<= ULTIMATE.start_main_~i~5 31), 157502#(<= ULTIMATE.start_main_~i~5 36), 157503#(<= ULTIMATE.start_main_~i~5 37), 157500#(<= ULTIMATE.start_main_~i~5 34), 157501#(<= ULTIMATE.start_main_~i~5 35), 157506#(<= ULTIMATE.start_main_~i~5 40), 157507#(<= ULTIMATE.start_main_~i~5 41), 157504#(<= ULTIMATE.start_main_~i~5 38), 157505#(<= ULTIMATE.start_main_~i~5 39), 157510#(<= ULTIMATE.start_main_~i~5 44), 157511#(<= ULTIMATE.start_main_~i~5 45), 157508#(<= ULTIMATE.start_main_~i~5 42), 157509#(<= ULTIMATE.start_main_~i~5 43), 157514#(<= ULTIMATE.start_main_~i~5 48), 157515#(<= ULTIMATE.start_main_~i~5 49), 157512#(<= ULTIMATE.start_main_~i~5 46), 157513#(<= ULTIMATE.start_main_~i~5 47), 157518#(<= ULTIMATE.start_main_~i~5 52), 157519#(<= ULTIMATE.start_main_~i~5 53), 157516#(<= ULTIMATE.start_main_~i~5 50), 157517#(<= ULTIMATE.start_main_~i~5 51), 157522#(<= ULTIMATE.start_main_~i~5 56), 157523#(<= ULTIMATE.start_main_~i~5 57), 157520#(<= ULTIMATE.start_main_~i~5 54), 157521#(<= ULTIMATE.start_main_~i~5 55), 157526#(<= ULTIMATE.start_main_~i~5 60), 157527#(<= ULTIMATE.start_main_~i~5 61), 157524#(<= ULTIMATE.start_main_~i~5 58), 157525#(<= ULTIMATE.start_main_~i~5 59), 157530#(<= ULTIMATE.start_main_~i~5 64), 157531#(<= ULTIMATE.start_main_~i~5 65), 157528#(<= ULTIMATE.start_main_~i~5 62), 157529#(<= ULTIMATE.start_main_~i~5 63), 157534#(<= ULTIMATE.start_main_~i~5 68), 157535#(<= ULTIMATE.start_main_~i~5 69), 157532#(<= ULTIMATE.start_main_~i~5 66), 157533#(<= ULTIMATE.start_main_~i~5 67), 157538#(<= ULTIMATE.start_main_~i~5 72), 157539#(<= ULTIMATE.start_main_~i~5 73), 157536#(<= ULTIMATE.start_main_~i~5 70), 157537#(<= ULTIMATE.start_main_~i~5 71), 157542#(<= ULTIMATE.start_main_~i~5 76), 157543#(<= ULTIMATE.start_main_~i~5 77), 157540#(<= ULTIMATE.start_main_~i~5 74), 157541#(<= ULTIMATE.start_main_~i~5 75), 157546#(<= ULTIMATE.start_main_~i~5 80), 157547#(<= ULTIMATE.start_main_~i~5 81), 157544#(<= ULTIMATE.start_main_~i~5 78), 157545#(<= ULTIMATE.start_main_~i~5 79), 157550#(<= ULTIMATE.start_main_~i~5 84), 157551#(<= ULTIMATE.start_main_~i~5 85), 157548#(<= ULTIMATE.start_main_~i~5 82), 157549#(<= ULTIMATE.start_main_~i~5 83), 157554#(<= ULTIMATE.start_main_~i~5 88), 157555#(<= ULTIMATE.start_main_~i~5 89), 157552#(<= ULTIMATE.start_main_~i~5 86), 157553#(<= ULTIMATE.start_main_~i~5 87), 157558#(<= ULTIMATE.start_main_~i~5 92), 157559#(<= ULTIMATE.start_main_~i~5 93), 157556#(<= ULTIMATE.start_main_~i~5 90), 157557#(<= ULTIMATE.start_main_~i~5 91), 157562#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 157563#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 157560#(<= ULTIMATE.start_main_~i~5 94), 157561#(<= ULTIMATE.start_main_~i~5 95), 157566#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 157567#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 157564#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 157565#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 157570#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 157571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 157568#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 157569#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 157574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 157575#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 157572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 157573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 157578#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 157579#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 157576#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 157577#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 157582#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 157583#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 157580#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 157581#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 157586#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 157587#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 157584#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 157585#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 157590#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 157591#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 157588#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 157589#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 157594#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 157595#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 157592#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 157593#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 157598#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 157599#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 157596#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 157597#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 157602#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 157603#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 157600#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 157601#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 157606#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 157607#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 157604#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 157605#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 157610#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 157611#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 157608#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 157609#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 157614#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 157615#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 157612#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 157613#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 157618#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 157619#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 157616#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 157617#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 157622#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 157623#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 157620#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 157621#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 157626#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 157627#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 157624#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 157625#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 157630#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 157631#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 157628#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 157629#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 157634#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 157635#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 157632#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 157633#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 157638#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 157639#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 157636#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 157637#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 157642#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 157643#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 157640#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 157641#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 157646#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 157647#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 157644#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 157645#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 157650#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 157651#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 157648#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 157649#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 157654#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 157655#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 157652#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 157653#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 157656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:47:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18240 backedges. 9120 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:55,747 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:47:55,748 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:47:55,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9408, Invalid=27648, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:47:55,750 INFO L87 Difference]: Start difference. First operand 387 states and 388 transitions. Second operand 193 states. [2018-07-23 13:47:57,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:57,188 INFO L93 Difference]: Finished difference Result 583 states and 585 transitions. [2018-07-23 13:47:57,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:47:57,188 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 386 [2018-07-23 13:47:57,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:57,189 INFO L225 Difference]: With dead ends: 583 [2018-07-23 13:47:57,189 INFO L226 Difference]: Without dead ends: 389 [2018-07-23 13:47:57,194 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13396 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23183, Invalid=59473, Unknown=0, NotChecked=0, Total=82656 [2018-07-23 13:47:57,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-07-23 13:47:57,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2018-07-23 13:47:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-07-23 13:47:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 390 transitions. [2018-07-23 13:47:57,243 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 390 transitions. Word has length 386 [2018-07-23 13:47:57,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:57,244 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 390 transitions. [2018-07-23 13:47:57,244 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:47:57,244 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 390 transitions. [2018-07-23 13:47:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-07-23 13:47:57,246 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:57,246 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 96, 95, 1, 1, 1, 1] [2018-07-23 13:47:57,246 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:57,246 INFO L82 PathProgramCache]: Analyzing trace with hash 483642383, now seen corresponding path program 144 times [2018-07-23 13:47:57,246 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 18432 backedges. 9312 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:58,083 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:58,083 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:47:58,083 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:58,084 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 13:47:58,084 INFO L185 omatonBuilderFactory]: Interpolants [159791#true, 159794#(<= 1 ULTIMATE.start_main_~k~5), 159795#(<= 2 ULTIMATE.start_main_~k~5), 159792#false, 159793#(<= 0 ULTIMATE.start_main_~k~5), 159798#(<= 5 ULTIMATE.start_main_~k~5), 159799#(<= 6 ULTIMATE.start_main_~k~5), 159796#(<= 3 ULTIMATE.start_main_~k~5), 159797#(<= 4 ULTIMATE.start_main_~k~5), 159802#(<= 9 ULTIMATE.start_main_~k~5), 159803#(<= 10 ULTIMATE.start_main_~k~5), 159800#(<= 7 ULTIMATE.start_main_~k~5), 159801#(<= 8 ULTIMATE.start_main_~k~5), 159806#(<= 13 ULTIMATE.start_main_~k~5), 159807#(<= 14 ULTIMATE.start_main_~k~5), 159804#(<= 11 ULTIMATE.start_main_~k~5), 159805#(<= 12 ULTIMATE.start_main_~k~5), 159810#(<= 17 ULTIMATE.start_main_~k~5), 159811#(<= 18 ULTIMATE.start_main_~k~5), 159808#(<= 15 ULTIMATE.start_main_~k~5), 159809#(<= 16 ULTIMATE.start_main_~k~5), 159814#(<= 21 ULTIMATE.start_main_~k~5), 159815#(<= 22 ULTIMATE.start_main_~k~5), 159812#(<= 19 ULTIMATE.start_main_~k~5), 159813#(<= 20 ULTIMATE.start_main_~k~5), 159818#(<= 25 ULTIMATE.start_main_~k~5), 159819#(<= 26 ULTIMATE.start_main_~k~5), 159816#(<= 23 ULTIMATE.start_main_~k~5), 159817#(<= 24 ULTIMATE.start_main_~k~5), 159822#(<= 29 ULTIMATE.start_main_~k~5), 159823#(<= 30 ULTIMATE.start_main_~k~5), 159820#(<= 27 ULTIMATE.start_main_~k~5), 159821#(<= 28 ULTIMATE.start_main_~k~5), 159826#(<= 33 ULTIMATE.start_main_~k~5), 159827#(<= 34 ULTIMATE.start_main_~k~5), 159824#(<= 31 ULTIMATE.start_main_~k~5), 159825#(<= 32 ULTIMATE.start_main_~k~5), 159830#(<= 37 ULTIMATE.start_main_~k~5), 159831#(<= 38 ULTIMATE.start_main_~k~5), 159828#(<= 35 ULTIMATE.start_main_~k~5), 159829#(<= 36 ULTIMATE.start_main_~k~5), 159834#(<= 41 ULTIMATE.start_main_~k~5), 159835#(<= 42 ULTIMATE.start_main_~k~5), 159832#(<= 39 ULTIMATE.start_main_~k~5), 159833#(<= 40 ULTIMATE.start_main_~k~5), 159838#(<= 45 ULTIMATE.start_main_~k~5), 159839#(<= 46 ULTIMATE.start_main_~k~5), 159836#(<= 43 ULTIMATE.start_main_~k~5), 159837#(<= 44 ULTIMATE.start_main_~k~5), 159842#(<= 49 ULTIMATE.start_main_~k~5), 159843#(<= 50 ULTIMATE.start_main_~k~5), 159840#(<= 47 ULTIMATE.start_main_~k~5), 159841#(<= 48 ULTIMATE.start_main_~k~5), 159846#(<= 53 ULTIMATE.start_main_~k~5), 159847#(<= 54 ULTIMATE.start_main_~k~5), 159844#(<= 51 ULTIMATE.start_main_~k~5), 159845#(<= 52 ULTIMATE.start_main_~k~5), 159850#(<= 57 ULTIMATE.start_main_~k~5), 159851#(<= 58 ULTIMATE.start_main_~k~5), 159848#(<= 55 ULTIMATE.start_main_~k~5), 159849#(<= 56 ULTIMATE.start_main_~k~5), 159854#(<= 61 ULTIMATE.start_main_~k~5), 159855#(<= 62 ULTIMATE.start_main_~k~5), 159852#(<= 59 ULTIMATE.start_main_~k~5), 159853#(<= 60 ULTIMATE.start_main_~k~5), 159858#(<= 65 ULTIMATE.start_main_~k~5), 159859#(<= 66 ULTIMATE.start_main_~k~5), 159856#(<= 63 ULTIMATE.start_main_~k~5), 159857#(<= 64 ULTIMATE.start_main_~k~5), 159862#(<= 69 ULTIMATE.start_main_~k~5), 159863#(<= 70 ULTIMATE.start_main_~k~5), 159860#(<= 67 ULTIMATE.start_main_~k~5), 159861#(<= 68 ULTIMATE.start_main_~k~5), 159866#(<= 73 ULTIMATE.start_main_~k~5), 159867#(<= 74 ULTIMATE.start_main_~k~5), 159864#(<= 71 ULTIMATE.start_main_~k~5), 159865#(<= 72 ULTIMATE.start_main_~k~5), 159870#(<= 77 ULTIMATE.start_main_~k~5), 159871#(<= 78 ULTIMATE.start_main_~k~5), 159868#(<= 75 ULTIMATE.start_main_~k~5), 159869#(<= 76 ULTIMATE.start_main_~k~5), 159874#(<= 81 ULTIMATE.start_main_~k~5), 159875#(<= 82 ULTIMATE.start_main_~k~5), 159872#(<= 79 ULTIMATE.start_main_~k~5), 159873#(<= 80 ULTIMATE.start_main_~k~5), 159878#(<= 85 ULTIMATE.start_main_~k~5), 159879#(<= 86 ULTIMATE.start_main_~k~5), 159876#(<= 83 ULTIMATE.start_main_~k~5), 159877#(<= 84 ULTIMATE.start_main_~k~5), 159882#(<= 89 ULTIMATE.start_main_~k~5), 159883#(<= 90 ULTIMATE.start_main_~k~5), 159880#(<= 87 ULTIMATE.start_main_~k~5), 159881#(<= 88 ULTIMATE.start_main_~k~5), 159886#(<= 93 ULTIMATE.start_main_~k~5), 159887#(<= 94 ULTIMATE.start_main_~k~5), 159884#(<= 91 ULTIMATE.start_main_~k~5), 159885#(<= 92 ULTIMATE.start_main_~k~5), 159890#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 96 ULTIMATE.start_main_~k~5)), 159891#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 159888#(<= 95 ULTIMATE.start_main_~k~5), 159889#(<= 96 ULTIMATE.start_main_~k~5)] [2018-07-23 13:47:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 18432 backedges. 9312 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:58,085 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:47:58,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:47:58,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4952, Invalid=5148, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:47:58,086 INFO L87 Difference]: Start difference. First operand 389 states and 390 transitions. Second operand 101 states. [2018-07-23 13:47:58,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:58,553 INFO L93 Difference]: Finished difference Result 395 states and 397 transitions. [2018-07-23 13:47:58,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:47:58,554 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 388 [2018-07-23 13:47:58,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:58,554 INFO L225 Difference]: With dead ends: 395 [2018-07-23 13:47:58,554 INFO L226 Difference]: Without dead ends: 393 [2018-07-23 13:47:58,556 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9409 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14653, Invalid=24353, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:47:58,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-07-23 13:47:58,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-07-23 13:47:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-07-23 13:47:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 394 transitions. [2018-07-23 13:47:58,586 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 394 transitions. Word has length 388 [2018-07-23 13:47:58,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:58,586 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 394 transitions. [2018-07-23 13:47:58,586 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:47:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 394 transitions. [2018-07-23 13:47:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-07-23 13:47:58,587 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:58,587 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 97, 96, 1, 1, 1, 1] [2018-07-23 13:47:58,587 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:58,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1176400125, now seen corresponding path program 145 times [2018-07-23 13:47:58,588 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 18818 backedges. 9506 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:00,046 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:00,046 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:48:00,047 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:00,047 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 13:48:00,047 INFO L185 omatonBuilderFactory]: Interpolants [161794#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 161795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 161792#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 161793#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 161798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 161799#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 161796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 161797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 161802#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 161803#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 161800#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 161801#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 161806#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 161807#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 161804#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 161805#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 161810#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 161811#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 161808#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 161809#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 161814#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 161815#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 161812#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 161813#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 161818#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 161819#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 161816#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 161817#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 161822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 161823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 161820#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 161821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 161826#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 161827#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 161824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 161825#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 161830#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 161831#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 161828#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 161829#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 161834#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 161835#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 161832#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 161833#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 161838#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 161839#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 161836#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 161837#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 161842#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 161843#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 161840#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 161841#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 161846#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 161847#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 161844#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 161845#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 161850#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 161851#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 161848#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 161849#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 161854#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 161855#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 161852#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 161853#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 161856#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 161857#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 161662#true, 161663#false, 161666#(<= ULTIMATE.start_main_~i~5 2), 161667#(<= ULTIMATE.start_main_~i~5 3), 161664#(<= ULTIMATE.start_main_~i~5 0), 161665#(<= ULTIMATE.start_main_~i~5 1), 161670#(<= ULTIMATE.start_main_~i~5 6), 161671#(<= ULTIMATE.start_main_~i~5 7), 161668#(<= ULTIMATE.start_main_~i~5 4), 161669#(<= ULTIMATE.start_main_~i~5 5), 161674#(<= ULTIMATE.start_main_~i~5 10), 161675#(<= ULTIMATE.start_main_~i~5 11), 161672#(<= ULTIMATE.start_main_~i~5 8), 161673#(<= ULTIMATE.start_main_~i~5 9), 161678#(<= ULTIMATE.start_main_~i~5 14), 161679#(<= ULTIMATE.start_main_~i~5 15), 161676#(<= ULTIMATE.start_main_~i~5 12), 161677#(<= ULTIMATE.start_main_~i~5 13), 161682#(<= ULTIMATE.start_main_~i~5 18), 161683#(<= ULTIMATE.start_main_~i~5 19), 161680#(<= ULTIMATE.start_main_~i~5 16), 161681#(<= ULTIMATE.start_main_~i~5 17), 161686#(<= ULTIMATE.start_main_~i~5 22), 161687#(<= ULTIMATE.start_main_~i~5 23), 161684#(<= ULTIMATE.start_main_~i~5 20), 161685#(<= ULTIMATE.start_main_~i~5 21), 161690#(<= ULTIMATE.start_main_~i~5 26), 161691#(<= ULTIMATE.start_main_~i~5 27), 161688#(<= ULTIMATE.start_main_~i~5 24), 161689#(<= ULTIMATE.start_main_~i~5 25), 161694#(<= ULTIMATE.start_main_~i~5 30), 161695#(<= ULTIMATE.start_main_~i~5 31), 161692#(<= ULTIMATE.start_main_~i~5 28), 161693#(<= ULTIMATE.start_main_~i~5 29), 161698#(<= ULTIMATE.start_main_~i~5 34), 161699#(<= ULTIMATE.start_main_~i~5 35), 161696#(<= ULTIMATE.start_main_~i~5 32), 161697#(<= ULTIMATE.start_main_~i~5 33), 161702#(<= ULTIMATE.start_main_~i~5 38), 161703#(<= ULTIMATE.start_main_~i~5 39), 161700#(<= ULTIMATE.start_main_~i~5 36), 161701#(<= ULTIMATE.start_main_~i~5 37), 161706#(<= ULTIMATE.start_main_~i~5 42), 161707#(<= ULTIMATE.start_main_~i~5 43), 161704#(<= ULTIMATE.start_main_~i~5 40), 161705#(<= ULTIMATE.start_main_~i~5 41), 161710#(<= ULTIMATE.start_main_~i~5 46), 161711#(<= ULTIMATE.start_main_~i~5 47), 161708#(<= ULTIMATE.start_main_~i~5 44), 161709#(<= ULTIMATE.start_main_~i~5 45), 161714#(<= ULTIMATE.start_main_~i~5 50), 161715#(<= ULTIMATE.start_main_~i~5 51), 161712#(<= ULTIMATE.start_main_~i~5 48), 161713#(<= ULTIMATE.start_main_~i~5 49), 161718#(<= ULTIMATE.start_main_~i~5 54), 161719#(<= ULTIMATE.start_main_~i~5 55), 161716#(<= ULTIMATE.start_main_~i~5 52), 161717#(<= ULTIMATE.start_main_~i~5 53), 161722#(<= ULTIMATE.start_main_~i~5 58), 161723#(<= ULTIMATE.start_main_~i~5 59), 161720#(<= ULTIMATE.start_main_~i~5 56), 161721#(<= ULTIMATE.start_main_~i~5 57), 161726#(<= ULTIMATE.start_main_~i~5 62), 161727#(<= ULTIMATE.start_main_~i~5 63), 161724#(<= ULTIMATE.start_main_~i~5 60), 161725#(<= ULTIMATE.start_main_~i~5 61), 161730#(<= ULTIMATE.start_main_~i~5 66), 161731#(<= ULTIMATE.start_main_~i~5 67), 161728#(<= ULTIMATE.start_main_~i~5 64), 161729#(<= ULTIMATE.start_main_~i~5 65), 161734#(<= ULTIMATE.start_main_~i~5 70), 161735#(<= ULTIMATE.start_main_~i~5 71), 161732#(<= ULTIMATE.start_main_~i~5 68), 161733#(<= ULTIMATE.start_main_~i~5 69), 161738#(<= ULTIMATE.start_main_~i~5 74), 161739#(<= ULTIMATE.start_main_~i~5 75), 161736#(<= ULTIMATE.start_main_~i~5 72), 161737#(<= ULTIMATE.start_main_~i~5 73), 161742#(<= ULTIMATE.start_main_~i~5 78), 161743#(<= ULTIMATE.start_main_~i~5 79), 161740#(<= ULTIMATE.start_main_~i~5 76), 161741#(<= ULTIMATE.start_main_~i~5 77), 161746#(<= ULTIMATE.start_main_~i~5 82), 161747#(<= ULTIMATE.start_main_~i~5 83), 161744#(<= ULTIMATE.start_main_~i~5 80), 161745#(<= ULTIMATE.start_main_~i~5 81), 161750#(<= ULTIMATE.start_main_~i~5 86), 161751#(<= ULTIMATE.start_main_~i~5 87), 161748#(<= ULTIMATE.start_main_~i~5 84), 161749#(<= ULTIMATE.start_main_~i~5 85), 161754#(<= ULTIMATE.start_main_~i~5 90), 161755#(<= ULTIMATE.start_main_~i~5 91), 161752#(<= ULTIMATE.start_main_~i~5 88), 161753#(<= ULTIMATE.start_main_~i~5 89), 161758#(<= ULTIMATE.start_main_~i~5 94), 161759#(<= ULTIMATE.start_main_~i~5 95), 161756#(<= ULTIMATE.start_main_~i~5 92), 161757#(<= ULTIMATE.start_main_~i~5 93), 161762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 161763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 161760#(<= ULTIMATE.start_main_~i~5 96), 161761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 161766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 161767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 161764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 161765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 161770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 161771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 161768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 161769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 161774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 161775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 161772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 161773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 161778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 161779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 161776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 161777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 161782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 161783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 161780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 161781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 161786#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 161787#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 161784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 161785#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 161790#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 161791#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 161788#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 161789#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68))] [2018-07-23 13:48:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 18818 backedges. 9506 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:00,048 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:48:00,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:48:00,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9701, Invalid=28519, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:48:00,051 INFO L87 Difference]: Start difference. First operand 393 states and 394 transitions. Second operand 196 states. [2018-07-23 13:48:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:01,480 INFO L93 Difference]: Finished difference Result 593 states and 595 transitions. [2018-07-23 13:48:01,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:48:01,480 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 392 [2018-07-23 13:48:01,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:01,481 INFO L225 Difference]: With dead ends: 593 [2018-07-23 13:48:01,481 INFO L226 Difference]: Without dead ends: 395 [2018-07-23 13:48:01,486 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13872 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=23765, Invalid=61207, Unknown=0, NotChecked=0, Total=84972 [2018-07-23 13:48:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-07-23 13:48:01,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-07-23 13:48:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-07-23 13:48:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 396 transitions. [2018-07-23 13:48:01,515 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 396 transitions. Word has length 392 [2018-07-23 13:48:01,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:01,516 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 396 transitions. [2018-07-23 13:48:01,516 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:48:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 396 transitions. [2018-07-23 13:48:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-07-23 13:48:01,517 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:01,518 INFO L357 BasicCegarLoop]: trace histogram [98, 98, 97, 97, 1, 1, 1, 1] [2018-07-23 13:48:01,518 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:01,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1133411839, now seen corresponding path program 146 times [2018-07-23 13:48:01,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 9506 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:02,882 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:02,882 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:48:02,882 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:02,882 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 13:48:02,883 INFO L185 omatonBuilderFactory]: Interpolants [164026#true, 164027#false, 164030#(<= ULTIMATE.start_main_~i~5 2), 164031#(<= ULTIMATE.start_main_~i~5 3), 164028#(<= ULTIMATE.start_main_~i~5 0), 164029#(<= ULTIMATE.start_main_~i~5 1), 164034#(<= ULTIMATE.start_main_~i~5 6), 164035#(<= ULTIMATE.start_main_~i~5 7), 164032#(<= ULTIMATE.start_main_~i~5 4), 164033#(<= ULTIMATE.start_main_~i~5 5), 164038#(<= ULTIMATE.start_main_~i~5 10), 164039#(<= ULTIMATE.start_main_~i~5 11), 164036#(<= ULTIMATE.start_main_~i~5 8), 164037#(<= ULTIMATE.start_main_~i~5 9), 164042#(<= ULTIMATE.start_main_~i~5 14), 164043#(<= ULTIMATE.start_main_~i~5 15), 164040#(<= ULTIMATE.start_main_~i~5 12), 164041#(<= ULTIMATE.start_main_~i~5 13), 164046#(<= ULTIMATE.start_main_~i~5 18), 164047#(<= ULTIMATE.start_main_~i~5 19), 164044#(<= ULTIMATE.start_main_~i~5 16), 164045#(<= ULTIMATE.start_main_~i~5 17), 164050#(<= ULTIMATE.start_main_~i~5 22), 164051#(<= ULTIMATE.start_main_~i~5 23), 164048#(<= ULTIMATE.start_main_~i~5 20), 164049#(<= ULTIMATE.start_main_~i~5 21), 164054#(<= ULTIMATE.start_main_~i~5 26), 164055#(<= ULTIMATE.start_main_~i~5 27), 164052#(<= ULTIMATE.start_main_~i~5 24), 164053#(<= ULTIMATE.start_main_~i~5 25), 164058#(<= ULTIMATE.start_main_~i~5 30), 164059#(<= ULTIMATE.start_main_~i~5 31), 164056#(<= ULTIMATE.start_main_~i~5 28), 164057#(<= ULTIMATE.start_main_~i~5 29), 164062#(<= ULTIMATE.start_main_~i~5 34), 164063#(<= ULTIMATE.start_main_~i~5 35), 164060#(<= ULTIMATE.start_main_~i~5 32), 164061#(<= ULTIMATE.start_main_~i~5 33), 164066#(<= ULTIMATE.start_main_~i~5 38), 164067#(<= ULTIMATE.start_main_~i~5 39), 164064#(<= ULTIMATE.start_main_~i~5 36), 164065#(<= ULTIMATE.start_main_~i~5 37), 164070#(<= ULTIMATE.start_main_~i~5 42), 164071#(<= ULTIMATE.start_main_~i~5 43), 164068#(<= ULTIMATE.start_main_~i~5 40), 164069#(<= ULTIMATE.start_main_~i~5 41), 164074#(<= ULTIMATE.start_main_~i~5 46), 164075#(<= ULTIMATE.start_main_~i~5 47), 164072#(<= ULTIMATE.start_main_~i~5 44), 164073#(<= ULTIMATE.start_main_~i~5 45), 164078#(<= ULTIMATE.start_main_~i~5 50), 164079#(<= ULTIMATE.start_main_~i~5 51), 164076#(<= ULTIMATE.start_main_~i~5 48), 164077#(<= ULTIMATE.start_main_~i~5 49), 164082#(<= ULTIMATE.start_main_~i~5 54), 164083#(<= ULTIMATE.start_main_~i~5 55), 164080#(<= ULTIMATE.start_main_~i~5 52), 164081#(<= ULTIMATE.start_main_~i~5 53), 164086#(<= ULTIMATE.start_main_~i~5 58), 164087#(<= ULTIMATE.start_main_~i~5 59), 164084#(<= ULTIMATE.start_main_~i~5 56), 164085#(<= ULTIMATE.start_main_~i~5 57), 164090#(<= ULTIMATE.start_main_~i~5 62), 164091#(<= ULTIMATE.start_main_~i~5 63), 164088#(<= ULTIMATE.start_main_~i~5 60), 164089#(<= ULTIMATE.start_main_~i~5 61), 164094#(<= ULTIMATE.start_main_~i~5 66), 164095#(<= ULTIMATE.start_main_~i~5 67), 164092#(<= ULTIMATE.start_main_~i~5 64), 164093#(<= ULTIMATE.start_main_~i~5 65), 164098#(<= ULTIMATE.start_main_~i~5 70), 164099#(<= ULTIMATE.start_main_~i~5 71), 164096#(<= ULTIMATE.start_main_~i~5 68), 164097#(<= ULTIMATE.start_main_~i~5 69), 164102#(<= ULTIMATE.start_main_~i~5 74), 164103#(<= ULTIMATE.start_main_~i~5 75), 164100#(<= ULTIMATE.start_main_~i~5 72), 164101#(<= ULTIMATE.start_main_~i~5 73), 164106#(<= ULTIMATE.start_main_~i~5 78), 164107#(<= ULTIMATE.start_main_~i~5 79), 164104#(<= ULTIMATE.start_main_~i~5 76), 164105#(<= ULTIMATE.start_main_~i~5 77), 164110#(<= ULTIMATE.start_main_~i~5 82), 164111#(<= ULTIMATE.start_main_~i~5 83), 164108#(<= ULTIMATE.start_main_~i~5 80), 164109#(<= ULTIMATE.start_main_~i~5 81), 164114#(<= ULTIMATE.start_main_~i~5 86), 164115#(<= ULTIMATE.start_main_~i~5 87), 164112#(<= ULTIMATE.start_main_~i~5 84), 164113#(<= ULTIMATE.start_main_~i~5 85), 164118#(<= ULTIMATE.start_main_~i~5 90), 164119#(<= ULTIMATE.start_main_~i~5 91), 164116#(<= ULTIMATE.start_main_~i~5 88), 164117#(<= ULTIMATE.start_main_~i~5 89), 164122#(<= ULTIMATE.start_main_~i~5 94), 164123#(<= ULTIMATE.start_main_~i~5 95), 164120#(<= ULTIMATE.start_main_~i~5 92), 164121#(<= ULTIMATE.start_main_~i~5 93), 164126#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 164127#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 164124#(<= ULTIMATE.start_main_~i~5 96), 164125#(<= ULTIMATE.start_main_~i~5 97), 164130#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 164131#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 164128#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 164129#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 164134#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 164135#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 164132#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 164133#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 164138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 164139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 164136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 164137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 164142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 164143#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 164140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 164141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 164146#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 164147#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 164144#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 164145#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 164150#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 164151#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 164148#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 164149#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 164154#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 164155#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 164152#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 164153#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 164158#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 164159#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 164156#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 164157#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 164162#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 164163#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 164160#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 164161#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 164166#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 164167#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 164164#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 164165#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 164170#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 164171#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 164168#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 164169#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 164174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 164175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 164172#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 164173#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 164178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 164179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 164176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 164177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 164182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 164183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 164180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 164181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 164186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 164187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 164184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 164185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 164190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 164191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 164188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 164189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 164194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 164195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 164192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 164193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 164198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 164199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 164196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 164197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 164202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 164203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 164200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 164201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 164206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 164207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 164204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 164205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 164210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 164211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 164208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 164209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 164214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 164215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 164212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 164213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 164218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 164219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 164216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 164217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 164222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 164220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 164221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2))] [2018-07-23 13:48:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 19012 backedges. 9506 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:02,884 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:48:02,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:48:02,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9800, Invalid=28812, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:48:02,886 INFO L87 Difference]: Start difference. First operand 395 states and 396 transitions. Second operand 197 states. [2018-07-23 13:48:04,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:04,112 INFO L93 Difference]: Finished difference Result 595 states and 597 transitions. [2018-07-23 13:48:04,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:48:04,113 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 394 [2018-07-23 13:48:04,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:04,113 INFO L225 Difference]: With dead ends: 595 [2018-07-23 13:48:04,113 INFO L226 Difference]: Without dead ends: 397 [2018-07-23 13:48:04,118 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13969 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=24156, Invalid=61986, Unknown=0, NotChecked=0, Total=86142 [2018-07-23 13:48:04,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-07-23 13:48:04,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-07-23 13:48:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-07-23 13:48:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 398 transitions. [2018-07-23 13:48:04,157 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 398 transitions. Word has length 394 [2018-07-23 13:48:04,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:04,157 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 398 transitions. [2018-07-23 13:48:04,157 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:48:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 398 transitions. [2018-07-23 13:48:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-07-23 13:48:04,159 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:04,159 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 98, 97, 1, 1, 1, 1] [2018-07-23 13:48:04,159 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:04,159 INFO L82 PathProgramCache]: Analyzing trace with hash 364617211, now seen corresponding path program 147 times [2018-07-23 13:48:04,160 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 19208 backedges. 9702 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:04,936 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:04,936 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:48:04,936 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:04,936 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 13:48:04,936 INFO L185 omatonBuilderFactory]: Interpolants [166402#false, 166403#(<= 0 ULTIMATE.start_main_~k~5), 166401#true, 166406#(<= 3 ULTIMATE.start_main_~k~5), 166407#(<= 4 ULTIMATE.start_main_~k~5), 166404#(<= 1 ULTIMATE.start_main_~k~5), 166405#(<= 2 ULTIMATE.start_main_~k~5), 166410#(<= 7 ULTIMATE.start_main_~k~5), 166411#(<= 8 ULTIMATE.start_main_~k~5), 166408#(<= 5 ULTIMATE.start_main_~k~5), 166409#(<= 6 ULTIMATE.start_main_~k~5), 166414#(<= 11 ULTIMATE.start_main_~k~5), 166415#(<= 12 ULTIMATE.start_main_~k~5), 166412#(<= 9 ULTIMATE.start_main_~k~5), 166413#(<= 10 ULTIMATE.start_main_~k~5), 166418#(<= 15 ULTIMATE.start_main_~k~5), 166419#(<= 16 ULTIMATE.start_main_~k~5), 166416#(<= 13 ULTIMATE.start_main_~k~5), 166417#(<= 14 ULTIMATE.start_main_~k~5), 166422#(<= 19 ULTIMATE.start_main_~k~5), 166423#(<= 20 ULTIMATE.start_main_~k~5), 166420#(<= 17 ULTIMATE.start_main_~k~5), 166421#(<= 18 ULTIMATE.start_main_~k~5), 166426#(<= 23 ULTIMATE.start_main_~k~5), 166427#(<= 24 ULTIMATE.start_main_~k~5), 166424#(<= 21 ULTIMATE.start_main_~k~5), 166425#(<= 22 ULTIMATE.start_main_~k~5), 166430#(<= 27 ULTIMATE.start_main_~k~5), 166431#(<= 28 ULTIMATE.start_main_~k~5), 166428#(<= 25 ULTIMATE.start_main_~k~5), 166429#(<= 26 ULTIMATE.start_main_~k~5), 166434#(<= 31 ULTIMATE.start_main_~k~5), 166435#(<= 32 ULTIMATE.start_main_~k~5), 166432#(<= 29 ULTIMATE.start_main_~k~5), 166433#(<= 30 ULTIMATE.start_main_~k~5), 166438#(<= 35 ULTIMATE.start_main_~k~5), 166439#(<= 36 ULTIMATE.start_main_~k~5), 166436#(<= 33 ULTIMATE.start_main_~k~5), 166437#(<= 34 ULTIMATE.start_main_~k~5), 166442#(<= 39 ULTIMATE.start_main_~k~5), 166443#(<= 40 ULTIMATE.start_main_~k~5), 166440#(<= 37 ULTIMATE.start_main_~k~5), 166441#(<= 38 ULTIMATE.start_main_~k~5), 166446#(<= 43 ULTIMATE.start_main_~k~5), 166447#(<= 44 ULTIMATE.start_main_~k~5), 166444#(<= 41 ULTIMATE.start_main_~k~5), 166445#(<= 42 ULTIMATE.start_main_~k~5), 166450#(<= 47 ULTIMATE.start_main_~k~5), 166451#(<= 48 ULTIMATE.start_main_~k~5), 166448#(<= 45 ULTIMATE.start_main_~k~5), 166449#(<= 46 ULTIMATE.start_main_~k~5), 166454#(<= 51 ULTIMATE.start_main_~k~5), 166455#(<= 52 ULTIMATE.start_main_~k~5), 166452#(<= 49 ULTIMATE.start_main_~k~5), 166453#(<= 50 ULTIMATE.start_main_~k~5), 166458#(<= 55 ULTIMATE.start_main_~k~5), 166459#(<= 56 ULTIMATE.start_main_~k~5), 166456#(<= 53 ULTIMATE.start_main_~k~5), 166457#(<= 54 ULTIMATE.start_main_~k~5), 166462#(<= 59 ULTIMATE.start_main_~k~5), 166463#(<= 60 ULTIMATE.start_main_~k~5), 166460#(<= 57 ULTIMATE.start_main_~k~5), 166461#(<= 58 ULTIMATE.start_main_~k~5), 166466#(<= 63 ULTIMATE.start_main_~k~5), 166467#(<= 64 ULTIMATE.start_main_~k~5), 166464#(<= 61 ULTIMATE.start_main_~k~5), 166465#(<= 62 ULTIMATE.start_main_~k~5), 166470#(<= 67 ULTIMATE.start_main_~k~5), 166471#(<= 68 ULTIMATE.start_main_~k~5), 166468#(<= 65 ULTIMATE.start_main_~k~5), 166469#(<= 66 ULTIMATE.start_main_~k~5), 166474#(<= 71 ULTIMATE.start_main_~k~5), 166475#(<= 72 ULTIMATE.start_main_~k~5), 166472#(<= 69 ULTIMATE.start_main_~k~5), 166473#(<= 70 ULTIMATE.start_main_~k~5), 166478#(<= 75 ULTIMATE.start_main_~k~5), 166479#(<= 76 ULTIMATE.start_main_~k~5), 166476#(<= 73 ULTIMATE.start_main_~k~5), 166477#(<= 74 ULTIMATE.start_main_~k~5), 166482#(<= 79 ULTIMATE.start_main_~k~5), 166483#(<= 80 ULTIMATE.start_main_~k~5), 166480#(<= 77 ULTIMATE.start_main_~k~5), 166481#(<= 78 ULTIMATE.start_main_~k~5), 166486#(<= 83 ULTIMATE.start_main_~k~5), 166487#(<= 84 ULTIMATE.start_main_~k~5), 166484#(<= 81 ULTIMATE.start_main_~k~5), 166485#(<= 82 ULTIMATE.start_main_~k~5), 166490#(<= 87 ULTIMATE.start_main_~k~5), 166491#(<= 88 ULTIMATE.start_main_~k~5), 166488#(<= 85 ULTIMATE.start_main_~k~5), 166489#(<= 86 ULTIMATE.start_main_~k~5), 166494#(<= 91 ULTIMATE.start_main_~k~5), 166495#(<= 92 ULTIMATE.start_main_~k~5), 166492#(<= 89 ULTIMATE.start_main_~k~5), 166493#(<= 90 ULTIMATE.start_main_~k~5), 166498#(<= 95 ULTIMATE.start_main_~k~5), 166499#(<= 96 ULTIMATE.start_main_~k~5), 166496#(<= 93 ULTIMATE.start_main_~k~5), 166497#(<= 94 ULTIMATE.start_main_~k~5), 166502#(and (<= 98 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 166503#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 166500#(<= 97 ULTIMATE.start_main_~k~5), 166501#(<= 98 ULTIMATE.start_main_~k~5)] [2018-07-23 13:48:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 19208 backedges. 9702 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:04,937 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:48:04,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:48:04,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5153, Invalid=5353, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:48:04,938 INFO L87 Difference]: Start difference. First operand 397 states and 398 transitions. Second operand 103 states. [2018-07-23 13:48:05,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:05,440 INFO L93 Difference]: Finished difference Result 403 states and 405 transitions. [2018-07-23 13:48:05,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:48:05,440 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 396 [2018-07-23 13:48:05,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:05,441 INFO L225 Difference]: With dead ends: 403 [2018-07-23 13:48:05,441 INFO L226 Difference]: Without dead ends: 401 [2018-07-23 13:48:05,443 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9801 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15252, Invalid=25350, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:48:05,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-07-23 13:48:05,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-07-23 13:48:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-07-23 13:48:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 402 transitions. [2018-07-23 13:48:05,482 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 402 transitions. Word has length 396 [2018-07-23 13:48:05,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:05,482 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 402 transitions. [2018-07-23 13:48:05,483 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:48:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 402 transitions. [2018-07-23 13:48:05,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-07-23 13:48:05,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:05,484 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 99, 98, 1, 1, 1, 1] [2018-07-23 13:48:05,484 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:05,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1970703087, now seen corresponding path program 148 times [2018-07-23 13:48:05,484 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 19602 backedges. 9900 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:06,910 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:06,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:48:06,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:06,910 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 13:48:06,910 INFO L185 omatonBuilderFactory]: Interpolants [168450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 168451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 168448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 168449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 168454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 168455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 168452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 168453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 168458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 168459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 168456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 168457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 168462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 168463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 168460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 168461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 168466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 168467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 168464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 168465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 168470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 168471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 168468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 168469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 168474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 168475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 168472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 168473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 168478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 168479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 168476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 168477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 168482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 168483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 168480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 168481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 168486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 168487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 168484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 168485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 168490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 168491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 168488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 168489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 168494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 168495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 168492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 168493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 168498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 168499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 168496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 168497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 168502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 168503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 168500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 168501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 168506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 168507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 168504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 168505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 168508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 168509#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 168310#true, 168311#false, 168314#(<= ULTIMATE.start_main_~i~5 2), 168315#(<= ULTIMATE.start_main_~i~5 3), 168312#(<= ULTIMATE.start_main_~i~5 0), 168313#(<= ULTIMATE.start_main_~i~5 1), 168318#(<= ULTIMATE.start_main_~i~5 6), 168319#(<= ULTIMATE.start_main_~i~5 7), 168316#(<= ULTIMATE.start_main_~i~5 4), 168317#(<= ULTIMATE.start_main_~i~5 5), 168322#(<= ULTIMATE.start_main_~i~5 10), 168323#(<= ULTIMATE.start_main_~i~5 11), 168320#(<= ULTIMATE.start_main_~i~5 8), 168321#(<= ULTIMATE.start_main_~i~5 9), 168326#(<= ULTIMATE.start_main_~i~5 14), 168327#(<= ULTIMATE.start_main_~i~5 15), 168324#(<= ULTIMATE.start_main_~i~5 12), 168325#(<= ULTIMATE.start_main_~i~5 13), 168330#(<= ULTIMATE.start_main_~i~5 18), 168331#(<= ULTIMATE.start_main_~i~5 19), 168328#(<= ULTIMATE.start_main_~i~5 16), 168329#(<= ULTIMATE.start_main_~i~5 17), 168334#(<= ULTIMATE.start_main_~i~5 22), 168335#(<= ULTIMATE.start_main_~i~5 23), 168332#(<= ULTIMATE.start_main_~i~5 20), 168333#(<= ULTIMATE.start_main_~i~5 21), 168338#(<= ULTIMATE.start_main_~i~5 26), 168339#(<= ULTIMATE.start_main_~i~5 27), 168336#(<= ULTIMATE.start_main_~i~5 24), 168337#(<= ULTIMATE.start_main_~i~5 25), 168342#(<= ULTIMATE.start_main_~i~5 30), 168343#(<= ULTIMATE.start_main_~i~5 31), 168340#(<= ULTIMATE.start_main_~i~5 28), 168341#(<= ULTIMATE.start_main_~i~5 29), 168346#(<= ULTIMATE.start_main_~i~5 34), 168347#(<= ULTIMATE.start_main_~i~5 35), 168344#(<= ULTIMATE.start_main_~i~5 32), 168345#(<= ULTIMATE.start_main_~i~5 33), 168350#(<= ULTIMATE.start_main_~i~5 38), 168351#(<= ULTIMATE.start_main_~i~5 39), 168348#(<= ULTIMATE.start_main_~i~5 36), 168349#(<= ULTIMATE.start_main_~i~5 37), 168354#(<= ULTIMATE.start_main_~i~5 42), 168355#(<= ULTIMATE.start_main_~i~5 43), 168352#(<= ULTIMATE.start_main_~i~5 40), 168353#(<= ULTIMATE.start_main_~i~5 41), 168358#(<= ULTIMATE.start_main_~i~5 46), 168359#(<= ULTIMATE.start_main_~i~5 47), 168356#(<= ULTIMATE.start_main_~i~5 44), 168357#(<= ULTIMATE.start_main_~i~5 45), 168362#(<= ULTIMATE.start_main_~i~5 50), 168363#(<= ULTIMATE.start_main_~i~5 51), 168360#(<= ULTIMATE.start_main_~i~5 48), 168361#(<= ULTIMATE.start_main_~i~5 49), 168366#(<= ULTIMATE.start_main_~i~5 54), 168367#(<= ULTIMATE.start_main_~i~5 55), 168364#(<= ULTIMATE.start_main_~i~5 52), 168365#(<= ULTIMATE.start_main_~i~5 53), 168370#(<= ULTIMATE.start_main_~i~5 58), 168371#(<= ULTIMATE.start_main_~i~5 59), 168368#(<= ULTIMATE.start_main_~i~5 56), 168369#(<= ULTIMATE.start_main_~i~5 57), 168374#(<= ULTIMATE.start_main_~i~5 62), 168375#(<= ULTIMATE.start_main_~i~5 63), 168372#(<= ULTIMATE.start_main_~i~5 60), 168373#(<= ULTIMATE.start_main_~i~5 61), 168378#(<= ULTIMATE.start_main_~i~5 66), 168379#(<= ULTIMATE.start_main_~i~5 67), 168376#(<= ULTIMATE.start_main_~i~5 64), 168377#(<= ULTIMATE.start_main_~i~5 65), 168382#(<= ULTIMATE.start_main_~i~5 70), 168383#(<= ULTIMATE.start_main_~i~5 71), 168380#(<= ULTIMATE.start_main_~i~5 68), 168381#(<= ULTIMATE.start_main_~i~5 69), 168386#(<= ULTIMATE.start_main_~i~5 74), 168387#(<= ULTIMATE.start_main_~i~5 75), 168384#(<= ULTIMATE.start_main_~i~5 72), 168385#(<= ULTIMATE.start_main_~i~5 73), 168390#(<= ULTIMATE.start_main_~i~5 78), 168391#(<= ULTIMATE.start_main_~i~5 79), 168388#(<= ULTIMATE.start_main_~i~5 76), 168389#(<= ULTIMATE.start_main_~i~5 77), 168394#(<= ULTIMATE.start_main_~i~5 82), 168395#(<= ULTIMATE.start_main_~i~5 83), 168392#(<= ULTIMATE.start_main_~i~5 80), 168393#(<= ULTIMATE.start_main_~i~5 81), 168398#(<= ULTIMATE.start_main_~i~5 86), 168399#(<= ULTIMATE.start_main_~i~5 87), 168396#(<= ULTIMATE.start_main_~i~5 84), 168397#(<= ULTIMATE.start_main_~i~5 85), 168402#(<= ULTIMATE.start_main_~i~5 90), 168403#(<= ULTIMATE.start_main_~i~5 91), 168400#(<= ULTIMATE.start_main_~i~5 88), 168401#(<= ULTIMATE.start_main_~i~5 89), 168406#(<= ULTIMATE.start_main_~i~5 94), 168407#(<= ULTIMATE.start_main_~i~5 95), 168404#(<= ULTIMATE.start_main_~i~5 92), 168405#(<= ULTIMATE.start_main_~i~5 93), 168410#(<= ULTIMATE.start_main_~i~5 98), 168411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 168408#(<= ULTIMATE.start_main_~i~5 96), 168409#(<= ULTIMATE.start_main_~i~5 97), 168414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 168415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 168412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 168413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 168418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 168419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 168416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 168417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 168422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 168423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 168420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 168421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 168426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 168427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 168424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 168425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 168430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 168431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 168428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 168429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 168434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 168435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 168432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 168433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 168438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 168439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 168436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 168437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 168442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 168443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 168440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 168441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 168446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 168447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 168444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 168445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64))] [2018-07-23 13:48:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 19602 backedges. 9900 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:06,912 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:48:06,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:48:06,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10099, Invalid=29701, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:48:06,915 INFO L87 Difference]: Start difference. First operand 401 states and 402 transitions. Second operand 200 states. [2018-07-23 13:48:08,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:08,357 INFO L93 Difference]: Finished difference Result 605 states and 607 transitions. [2018-07-23 13:48:08,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:48:08,358 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 400 [2018-07-23 13:48:08,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:08,358 INFO L225 Difference]: With dead ends: 605 [2018-07-23 13:48:08,358 INFO L226 Difference]: Without dead ends: 403 [2018-07-23 13:48:08,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14455 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=24750, Invalid=63756, Unknown=0, NotChecked=0, Total=88506 [2018-07-23 13:48:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-07-23 13:48:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-07-23 13:48:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-07-23 13:48:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 404 transitions. [2018-07-23 13:48:08,394 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 404 transitions. Word has length 400 [2018-07-23 13:48:08,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:08,394 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 404 transitions. [2018-07-23 13:48:08,395 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:48:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 404 transitions. [2018-07-23 13:48:08,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-23 13:48:08,396 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:08,396 INFO L357 BasicCegarLoop]: trace histogram [100, 100, 99, 99, 1, 1, 1, 1] [2018-07-23 13:48:08,396 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:08,396 INFO L82 PathProgramCache]: Analyzing trace with hash 632471019, now seen corresponding path program 149 times [2018-07-23 13:48:08,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 9900 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:09,857 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:09,857 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:48:09,857 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:09,858 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 13:48:09,858 INFO L185 omatonBuilderFactory]: Interpolants [170722#true, 170723#false, 170726#(<= ULTIMATE.start_main_~i~5 2), 170727#(<= ULTIMATE.start_main_~i~5 3), 170724#(<= ULTIMATE.start_main_~i~5 0), 170725#(<= ULTIMATE.start_main_~i~5 1), 170730#(<= ULTIMATE.start_main_~i~5 6), 170731#(<= ULTIMATE.start_main_~i~5 7), 170728#(<= ULTIMATE.start_main_~i~5 4), 170729#(<= ULTIMATE.start_main_~i~5 5), 170734#(<= ULTIMATE.start_main_~i~5 10), 170735#(<= ULTIMATE.start_main_~i~5 11), 170732#(<= ULTIMATE.start_main_~i~5 8), 170733#(<= ULTIMATE.start_main_~i~5 9), 170738#(<= ULTIMATE.start_main_~i~5 14), 170739#(<= ULTIMATE.start_main_~i~5 15), 170736#(<= ULTIMATE.start_main_~i~5 12), 170737#(<= ULTIMATE.start_main_~i~5 13), 170742#(<= ULTIMATE.start_main_~i~5 18), 170743#(<= ULTIMATE.start_main_~i~5 19), 170740#(<= ULTIMATE.start_main_~i~5 16), 170741#(<= ULTIMATE.start_main_~i~5 17), 170746#(<= ULTIMATE.start_main_~i~5 22), 170747#(<= ULTIMATE.start_main_~i~5 23), 170744#(<= ULTIMATE.start_main_~i~5 20), 170745#(<= ULTIMATE.start_main_~i~5 21), 170750#(<= ULTIMATE.start_main_~i~5 26), 170751#(<= ULTIMATE.start_main_~i~5 27), 170748#(<= ULTIMATE.start_main_~i~5 24), 170749#(<= ULTIMATE.start_main_~i~5 25), 170754#(<= ULTIMATE.start_main_~i~5 30), 170755#(<= ULTIMATE.start_main_~i~5 31), 170752#(<= ULTIMATE.start_main_~i~5 28), 170753#(<= ULTIMATE.start_main_~i~5 29), 170758#(<= ULTIMATE.start_main_~i~5 34), 170759#(<= ULTIMATE.start_main_~i~5 35), 170756#(<= ULTIMATE.start_main_~i~5 32), 170757#(<= ULTIMATE.start_main_~i~5 33), 170762#(<= ULTIMATE.start_main_~i~5 38), 170763#(<= ULTIMATE.start_main_~i~5 39), 170760#(<= ULTIMATE.start_main_~i~5 36), 170761#(<= ULTIMATE.start_main_~i~5 37), 170766#(<= ULTIMATE.start_main_~i~5 42), 170767#(<= ULTIMATE.start_main_~i~5 43), 170764#(<= ULTIMATE.start_main_~i~5 40), 170765#(<= ULTIMATE.start_main_~i~5 41), 170770#(<= ULTIMATE.start_main_~i~5 46), 170771#(<= ULTIMATE.start_main_~i~5 47), 170768#(<= ULTIMATE.start_main_~i~5 44), 170769#(<= ULTIMATE.start_main_~i~5 45), 170774#(<= ULTIMATE.start_main_~i~5 50), 170775#(<= ULTIMATE.start_main_~i~5 51), 170772#(<= ULTIMATE.start_main_~i~5 48), 170773#(<= ULTIMATE.start_main_~i~5 49), 170778#(<= ULTIMATE.start_main_~i~5 54), 170779#(<= ULTIMATE.start_main_~i~5 55), 170776#(<= ULTIMATE.start_main_~i~5 52), 170777#(<= ULTIMATE.start_main_~i~5 53), 170782#(<= ULTIMATE.start_main_~i~5 58), 170783#(<= ULTIMATE.start_main_~i~5 59), 170780#(<= ULTIMATE.start_main_~i~5 56), 170781#(<= ULTIMATE.start_main_~i~5 57), 170786#(<= ULTIMATE.start_main_~i~5 62), 170787#(<= ULTIMATE.start_main_~i~5 63), 170784#(<= ULTIMATE.start_main_~i~5 60), 170785#(<= ULTIMATE.start_main_~i~5 61), 170790#(<= ULTIMATE.start_main_~i~5 66), 170791#(<= ULTIMATE.start_main_~i~5 67), 170788#(<= ULTIMATE.start_main_~i~5 64), 170789#(<= ULTIMATE.start_main_~i~5 65), 170794#(<= ULTIMATE.start_main_~i~5 70), 170795#(<= ULTIMATE.start_main_~i~5 71), 170792#(<= ULTIMATE.start_main_~i~5 68), 170793#(<= ULTIMATE.start_main_~i~5 69), 170798#(<= ULTIMATE.start_main_~i~5 74), 170799#(<= ULTIMATE.start_main_~i~5 75), 170796#(<= ULTIMATE.start_main_~i~5 72), 170797#(<= ULTIMATE.start_main_~i~5 73), 170802#(<= ULTIMATE.start_main_~i~5 78), 170803#(<= ULTIMATE.start_main_~i~5 79), 170800#(<= ULTIMATE.start_main_~i~5 76), 170801#(<= ULTIMATE.start_main_~i~5 77), 170806#(<= ULTIMATE.start_main_~i~5 82), 170807#(<= ULTIMATE.start_main_~i~5 83), 170804#(<= ULTIMATE.start_main_~i~5 80), 170805#(<= ULTIMATE.start_main_~i~5 81), 170810#(<= ULTIMATE.start_main_~i~5 86), 170811#(<= ULTIMATE.start_main_~i~5 87), 170808#(<= ULTIMATE.start_main_~i~5 84), 170809#(<= ULTIMATE.start_main_~i~5 85), 170814#(<= ULTIMATE.start_main_~i~5 90), 170815#(<= ULTIMATE.start_main_~i~5 91), 170812#(<= ULTIMATE.start_main_~i~5 88), 170813#(<= ULTIMATE.start_main_~i~5 89), 170818#(<= ULTIMATE.start_main_~i~5 94), 170819#(<= ULTIMATE.start_main_~i~5 95), 170816#(<= ULTIMATE.start_main_~i~5 92), 170817#(<= ULTIMATE.start_main_~i~5 93), 170822#(<= ULTIMATE.start_main_~i~5 98), 170823#(<= ULTIMATE.start_main_~i~5 99), 170820#(<= ULTIMATE.start_main_~i~5 96), 170821#(<= ULTIMATE.start_main_~i~5 97), 170826#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 170827#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 170824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 170825#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 170830#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 170831#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 170828#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 170829#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 170834#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 170835#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 170832#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 170833#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 170838#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 170839#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 170836#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 170837#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 170842#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 170843#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 170840#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 170841#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 170846#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 170847#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 170844#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 170845#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 170850#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 170851#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 170848#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 170849#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 170854#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 170855#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 170852#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 170853#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 170858#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 170859#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 170856#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 170857#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 170862#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 170863#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 170860#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 170861#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 170866#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 170867#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 170864#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 170865#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 170870#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 170871#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 170868#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 170869#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 170874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 170875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 170872#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 170873#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 170878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 170879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 170876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 170877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 170882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 170883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 170880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 170881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 170886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 170887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 170884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 170885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 170890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 170891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 170888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 170889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 170894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 170895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 170892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 170893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 170898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 170899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 170896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 170897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 170902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 170903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 170900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 170901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 170906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 170907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 170904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 170905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 170910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 170911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 170908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 170909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 170914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 170915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 170912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 170913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 170918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 170919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 170916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 170917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 170922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 170920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 170921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2))] [2018-07-23 13:48:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 19800 backedges. 9900 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:09,859 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:48:09,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:48:09,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10200, Invalid=30000, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:48:09,861 INFO L87 Difference]: Start difference. First operand 403 states and 404 transitions. Second operand 201 states. [2018-07-23 13:48:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:11,108 INFO L93 Difference]: Finished difference Result 607 states and 609 transitions. [2018-07-23 13:48:11,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:48:11,109 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 402 [2018-07-23 13:48:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:11,109 INFO L225 Difference]: With dead ends: 607 [2018-07-23 13:48:11,109 INFO L226 Difference]: Without dead ends: 405 [2018-07-23 13:48:11,113 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14554 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=25149, Invalid=64551, Unknown=0, NotChecked=0, Total=89700 [2018-07-23 13:48:11,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-07-23 13:48:11,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2018-07-23 13:48:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-07-23 13:48:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 406 transitions. [2018-07-23 13:48:11,143 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 406 transitions. Word has length 402 [2018-07-23 13:48:11,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:11,144 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 406 transitions. [2018-07-23 13:48:11,144 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:48:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 406 transitions. [2018-07-23 13:48:11,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-07-23 13:48:11,145 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:11,145 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 100, 99, 1, 1, 1, 1] [2018-07-23 13:48:11,145 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:11,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1213324825, now seen corresponding path program 150 times [2018-07-23 13:48:11,145 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20000 backedges. 10100 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:11,980 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:11,980 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:48:11,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:11,980 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 13:48:11,980 INFO L185 omatonBuilderFactory]: Interpolants [173146#false, 173147#(<= 0 ULTIMATE.start_main_~k~5), 173145#true, 173150#(<= 3 ULTIMATE.start_main_~k~5), 173151#(<= 4 ULTIMATE.start_main_~k~5), 173148#(<= 1 ULTIMATE.start_main_~k~5), 173149#(<= 2 ULTIMATE.start_main_~k~5), 173154#(<= 7 ULTIMATE.start_main_~k~5), 173155#(<= 8 ULTIMATE.start_main_~k~5), 173152#(<= 5 ULTIMATE.start_main_~k~5), 173153#(<= 6 ULTIMATE.start_main_~k~5), 173158#(<= 11 ULTIMATE.start_main_~k~5), 173159#(<= 12 ULTIMATE.start_main_~k~5), 173156#(<= 9 ULTIMATE.start_main_~k~5), 173157#(<= 10 ULTIMATE.start_main_~k~5), 173162#(<= 15 ULTIMATE.start_main_~k~5), 173163#(<= 16 ULTIMATE.start_main_~k~5), 173160#(<= 13 ULTIMATE.start_main_~k~5), 173161#(<= 14 ULTIMATE.start_main_~k~5), 173166#(<= 19 ULTIMATE.start_main_~k~5), 173167#(<= 20 ULTIMATE.start_main_~k~5), 173164#(<= 17 ULTIMATE.start_main_~k~5), 173165#(<= 18 ULTIMATE.start_main_~k~5), 173170#(<= 23 ULTIMATE.start_main_~k~5), 173171#(<= 24 ULTIMATE.start_main_~k~5), 173168#(<= 21 ULTIMATE.start_main_~k~5), 173169#(<= 22 ULTIMATE.start_main_~k~5), 173174#(<= 27 ULTIMATE.start_main_~k~5), 173175#(<= 28 ULTIMATE.start_main_~k~5), 173172#(<= 25 ULTIMATE.start_main_~k~5), 173173#(<= 26 ULTIMATE.start_main_~k~5), 173178#(<= 31 ULTIMATE.start_main_~k~5), 173179#(<= 32 ULTIMATE.start_main_~k~5), 173176#(<= 29 ULTIMATE.start_main_~k~5), 173177#(<= 30 ULTIMATE.start_main_~k~5), 173182#(<= 35 ULTIMATE.start_main_~k~5), 173183#(<= 36 ULTIMATE.start_main_~k~5), 173180#(<= 33 ULTIMATE.start_main_~k~5), 173181#(<= 34 ULTIMATE.start_main_~k~5), 173186#(<= 39 ULTIMATE.start_main_~k~5), 173187#(<= 40 ULTIMATE.start_main_~k~5), 173184#(<= 37 ULTIMATE.start_main_~k~5), 173185#(<= 38 ULTIMATE.start_main_~k~5), 173190#(<= 43 ULTIMATE.start_main_~k~5), 173191#(<= 44 ULTIMATE.start_main_~k~5), 173188#(<= 41 ULTIMATE.start_main_~k~5), 173189#(<= 42 ULTIMATE.start_main_~k~5), 173194#(<= 47 ULTIMATE.start_main_~k~5), 173195#(<= 48 ULTIMATE.start_main_~k~5), 173192#(<= 45 ULTIMATE.start_main_~k~5), 173193#(<= 46 ULTIMATE.start_main_~k~5), 173198#(<= 51 ULTIMATE.start_main_~k~5), 173199#(<= 52 ULTIMATE.start_main_~k~5), 173196#(<= 49 ULTIMATE.start_main_~k~5), 173197#(<= 50 ULTIMATE.start_main_~k~5), 173202#(<= 55 ULTIMATE.start_main_~k~5), 173203#(<= 56 ULTIMATE.start_main_~k~5), 173200#(<= 53 ULTIMATE.start_main_~k~5), 173201#(<= 54 ULTIMATE.start_main_~k~5), 173206#(<= 59 ULTIMATE.start_main_~k~5), 173207#(<= 60 ULTIMATE.start_main_~k~5), 173204#(<= 57 ULTIMATE.start_main_~k~5), 173205#(<= 58 ULTIMATE.start_main_~k~5), 173210#(<= 63 ULTIMATE.start_main_~k~5), 173211#(<= 64 ULTIMATE.start_main_~k~5), 173208#(<= 61 ULTIMATE.start_main_~k~5), 173209#(<= 62 ULTIMATE.start_main_~k~5), 173214#(<= 67 ULTIMATE.start_main_~k~5), 173215#(<= 68 ULTIMATE.start_main_~k~5), 173212#(<= 65 ULTIMATE.start_main_~k~5), 173213#(<= 66 ULTIMATE.start_main_~k~5), 173218#(<= 71 ULTIMATE.start_main_~k~5), 173219#(<= 72 ULTIMATE.start_main_~k~5), 173216#(<= 69 ULTIMATE.start_main_~k~5), 173217#(<= 70 ULTIMATE.start_main_~k~5), 173222#(<= 75 ULTIMATE.start_main_~k~5), 173223#(<= 76 ULTIMATE.start_main_~k~5), 173220#(<= 73 ULTIMATE.start_main_~k~5), 173221#(<= 74 ULTIMATE.start_main_~k~5), 173226#(<= 79 ULTIMATE.start_main_~k~5), 173227#(<= 80 ULTIMATE.start_main_~k~5), 173224#(<= 77 ULTIMATE.start_main_~k~5), 173225#(<= 78 ULTIMATE.start_main_~k~5), 173230#(<= 83 ULTIMATE.start_main_~k~5), 173231#(<= 84 ULTIMATE.start_main_~k~5), 173228#(<= 81 ULTIMATE.start_main_~k~5), 173229#(<= 82 ULTIMATE.start_main_~k~5), 173234#(<= 87 ULTIMATE.start_main_~k~5), 173235#(<= 88 ULTIMATE.start_main_~k~5), 173232#(<= 85 ULTIMATE.start_main_~k~5), 173233#(<= 86 ULTIMATE.start_main_~k~5), 173238#(<= 91 ULTIMATE.start_main_~k~5), 173239#(<= 92 ULTIMATE.start_main_~k~5), 173236#(<= 89 ULTIMATE.start_main_~k~5), 173237#(<= 90 ULTIMATE.start_main_~k~5), 173242#(<= 95 ULTIMATE.start_main_~k~5), 173243#(<= 96 ULTIMATE.start_main_~k~5), 173240#(<= 93 ULTIMATE.start_main_~k~5), 173241#(<= 94 ULTIMATE.start_main_~k~5), 173246#(<= 99 ULTIMATE.start_main_~k~5), 173247#(<= 100 ULTIMATE.start_main_~k~5), 173244#(<= 97 ULTIMATE.start_main_~k~5), 173245#(<= 98 ULTIMATE.start_main_~k~5), 173248#(and (<= 100 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 173249#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:48:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20000 backedges. 10100 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:11,982 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:48:11,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:48:11,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5358, Invalid=5562, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:48:11,983 INFO L87 Difference]: Start difference. First operand 405 states and 406 transitions. Second operand 105 states. [2018-07-23 13:48:12,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:12,499 INFO L93 Difference]: Finished difference Result 411 states and 413 transitions. [2018-07-23 13:48:12,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:48:12,499 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 404 [2018-07-23 13:48:12,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:12,500 INFO L225 Difference]: With dead ends: 411 [2018-07-23 13:48:12,500 INFO L226 Difference]: Without dead ends: 409 [2018-07-23 13:48:12,503 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10201 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15863, Invalid=26367, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:48:12,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-07-23 13:48:12,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2018-07-23 13:48:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-07-23 13:48:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 410 transitions. [2018-07-23 13:48:12,558 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 410 transitions. Word has length 404 [2018-07-23 13:48:12,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:12,558 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 410 transitions. [2018-07-23 13:48:12,559 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:48:12,559 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 410 transitions. [2018-07-23 13:48:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-07-23 13:48:12,561 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:12,561 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 101, 100, 1, 1, 1, 1] [2018-07-23 13:48:12,561 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:12,562 INFO L82 PathProgramCache]: Analyzing trace with hash 292370651, now seen corresponding path program 151 times [2018-07-23 13:48:12,562 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20402 backedges. 10302 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:14,332 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:14,333 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:48:14,333 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:14,333 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 13:48:14,333 INFO L185 omatonBuilderFactory]: Interpolants [175106#(<= ULTIMATE.start_main_~i~5 12), 175107#(<= ULTIMATE.start_main_~i~5 13), 175104#(<= ULTIMATE.start_main_~i~5 10), 175105#(<= ULTIMATE.start_main_~i~5 11), 175110#(<= ULTIMATE.start_main_~i~5 16), 175111#(<= ULTIMATE.start_main_~i~5 17), 175108#(<= ULTIMATE.start_main_~i~5 14), 175109#(<= ULTIMATE.start_main_~i~5 15), 175114#(<= ULTIMATE.start_main_~i~5 20), 175115#(<= ULTIMATE.start_main_~i~5 21), 175112#(<= ULTIMATE.start_main_~i~5 18), 175113#(<= ULTIMATE.start_main_~i~5 19), 175118#(<= ULTIMATE.start_main_~i~5 24), 175119#(<= ULTIMATE.start_main_~i~5 25), 175116#(<= ULTIMATE.start_main_~i~5 22), 175117#(<= ULTIMATE.start_main_~i~5 23), 175122#(<= ULTIMATE.start_main_~i~5 28), 175123#(<= ULTIMATE.start_main_~i~5 29), 175120#(<= ULTIMATE.start_main_~i~5 26), 175121#(<= ULTIMATE.start_main_~i~5 27), 175126#(<= ULTIMATE.start_main_~i~5 32), 175127#(<= ULTIMATE.start_main_~i~5 33), 175124#(<= ULTIMATE.start_main_~i~5 30), 175125#(<= ULTIMATE.start_main_~i~5 31), 175130#(<= ULTIMATE.start_main_~i~5 36), 175131#(<= ULTIMATE.start_main_~i~5 37), 175128#(<= ULTIMATE.start_main_~i~5 34), 175129#(<= ULTIMATE.start_main_~i~5 35), 175134#(<= ULTIMATE.start_main_~i~5 40), 175135#(<= ULTIMATE.start_main_~i~5 41), 175132#(<= ULTIMATE.start_main_~i~5 38), 175133#(<= ULTIMATE.start_main_~i~5 39), 175138#(<= ULTIMATE.start_main_~i~5 44), 175139#(<= ULTIMATE.start_main_~i~5 45), 175136#(<= ULTIMATE.start_main_~i~5 42), 175137#(<= ULTIMATE.start_main_~i~5 43), 175142#(<= ULTIMATE.start_main_~i~5 48), 175143#(<= ULTIMATE.start_main_~i~5 49), 175140#(<= ULTIMATE.start_main_~i~5 46), 175141#(<= ULTIMATE.start_main_~i~5 47), 175146#(<= ULTIMATE.start_main_~i~5 52), 175147#(<= ULTIMATE.start_main_~i~5 53), 175144#(<= ULTIMATE.start_main_~i~5 50), 175145#(<= ULTIMATE.start_main_~i~5 51), 175150#(<= ULTIMATE.start_main_~i~5 56), 175151#(<= ULTIMATE.start_main_~i~5 57), 175148#(<= ULTIMATE.start_main_~i~5 54), 175149#(<= ULTIMATE.start_main_~i~5 55), 175154#(<= ULTIMATE.start_main_~i~5 60), 175155#(<= ULTIMATE.start_main_~i~5 61), 175152#(<= ULTIMATE.start_main_~i~5 58), 175153#(<= ULTIMATE.start_main_~i~5 59), 175158#(<= ULTIMATE.start_main_~i~5 64), 175159#(<= ULTIMATE.start_main_~i~5 65), 175156#(<= ULTIMATE.start_main_~i~5 62), 175157#(<= ULTIMATE.start_main_~i~5 63), 175162#(<= ULTIMATE.start_main_~i~5 68), 175163#(<= ULTIMATE.start_main_~i~5 69), 175160#(<= ULTIMATE.start_main_~i~5 66), 175161#(<= ULTIMATE.start_main_~i~5 67), 175166#(<= ULTIMATE.start_main_~i~5 72), 175167#(<= ULTIMATE.start_main_~i~5 73), 175164#(<= ULTIMATE.start_main_~i~5 70), 175165#(<= ULTIMATE.start_main_~i~5 71), 175170#(<= ULTIMATE.start_main_~i~5 76), 175171#(<= ULTIMATE.start_main_~i~5 77), 175168#(<= ULTIMATE.start_main_~i~5 74), 175169#(<= ULTIMATE.start_main_~i~5 75), 175174#(<= ULTIMATE.start_main_~i~5 80), 175175#(<= ULTIMATE.start_main_~i~5 81), 175172#(<= ULTIMATE.start_main_~i~5 78), 175173#(<= ULTIMATE.start_main_~i~5 79), 175178#(<= ULTIMATE.start_main_~i~5 84), 175179#(<= ULTIMATE.start_main_~i~5 85), 175176#(<= ULTIMATE.start_main_~i~5 82), 175177#(<= ULTIMATE.start_main_~i~5 83), 175182#(<= ULTIMATE.start_main_~i~5 88), 175183#(<= ULTIMATE.start_main_~i~5 89), 175180#(<= ULTIMATE.start_main_~i~5 86), 175181#(<= ULTIMATE.start_main_~i~5 87), 175186#(<= ULTIMATE.start_main_~i~5 92), 175187#(<= ULTIMATE.start_main_~i~5 93), 175184#(<= ULTIMATE.start_main_~i~5 90), 175185#(<= ULTIMATE.start_main_~i~5 91), 175190#(<= ULTIMATE.start_main_~i~5 96), 175191#(<= ULTIMATE.start_main_~i~5 97), 175188#(<= ULTIMATE.start_main_~i~5 94), 175189#(<= ULTIMATE.start_main_~i~5 95), 175194#(<= ULTIMATE.start_main_~i~5 100), 175195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 175192#(<= ULTIMATE.start_main_~i~5 98), 175193#(<= ULTIMATE.start_main_~i~5 99), 175198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 175199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 175196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 175197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 175202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 175203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 175200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 175201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 175206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 175207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 175204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 175205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 175210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 175211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 175208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 175209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 175214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 175215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 175212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 175213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 175218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 175219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 175216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 175217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 175222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 175223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 175220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 175221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 175226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 175227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 175224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 175225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 175230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 175231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 175228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 175229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 175234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 175235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 175232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 175233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 175238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 175239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 175236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 175237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 175242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 175243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 175240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 175241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 175246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 175247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 175244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 175245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 175250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 175251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 175248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 175249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 175254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 175255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 175252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 175253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 175258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 175259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 175256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 175257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 175262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 175263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 175260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 175261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 175266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 175267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 175264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 175265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 175270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 175271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 175268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 175269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 175274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 175275#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 175272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 175273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 175278#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 175279#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 175276#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 175277#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 175282#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 175283#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 175280#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 175281#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 175286#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 175287#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 175284#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 175285#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 175290#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 175291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 175288#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 175289#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 175294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 175295#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 175292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 175293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 175094#(<= ULTIMATE.start_main_~i~5 0), 175095#(<= ULTIMATE.start_main_~i~5 1), 175092#true, 175093#false, 175098#(<= ULTIMATE.start_main_~i~5 4), 175099#(<= ULTIMATE.start_main_~i~5 5), 175096#(<= ULTIMATE.start_main_~i~5 2), 175097#(<= ULTIMATE.start_main_~i~5 3), 175102#(<= ULTIMATE.start_main_~i~5 8), 175103#(<= ULTIMATE.start_main_~i~5 9), 175100#(<= ULTIMATE.start_main_~i~5 6), 175101#(<= ULTIMATE.start_main_~i~5 7)] [2018-07-23 13:48:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 20402 backedges. 10302 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:14,334 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:48:14,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:48:14,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10505, Invalid=30907, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:48:14,337 INFO L87 Difference]: Start difference. First operand 409 states and 410 transitions. Second operand 204 states. [2018-07-23 13:48:15,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:15,665 INFO L93 Difference]: Finished difference Result 617 states and 619 transitions. [2018-07-23 13:48:15,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:48:15,665 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 408 [2018-07-23 13:48:15,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:15,666 INFO L225 Difference]: With dead ends: 617 [2018-07-23 13:48:15,666 INFO L226 Difference]: Without dead ends: 411 [2018-07-23 13:48:15,670 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 302 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15050 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=25755, Invalid=66357, Unknown=0, NotChecked=0, Total=92112 [2018-07-23 13:48:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-07-23 13:48:15,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2018-07-23 13:48:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-07-23 13:48:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 412 transitions. [2018-07-23 13:48:15,701 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 412 transitions. Word has length 408 [2018-07-23 13:48:15,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:15,701 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 412 transitions. [2018-07-23 13:48:15,702 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:48:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 412 transitions. [2018-07-23 13:48:15,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-07-23 13:48:15,703 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:15,703 INFO L357 BasicCegarLoop]: trace histogram [102, 102, 101, 101, 1, 1, 1, 1] [2018-07-23 13:48:15,703 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:15,703 INFO L82 PathProgramCache]: Analyzing trace with hash 380940247, now seen corresponding path program 152 times [2018-07-23 13:48:15,703 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 10302 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:17,252 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:17,252 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:48:17,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:17,252 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 13:48:17,252 INFO L185 omatonBuilderFactory]: Interpolants [177666#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 177667#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 177664#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 177665#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 177670#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 177671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 177668#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 177669#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 177674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 177675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 177672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 177673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 177678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 177679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 177676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 177677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 177682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 177683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 177680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 177681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 177686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 177687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 177684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 177685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 177690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 177691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 177688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 177689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 177694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 177695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 177692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 177693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 177698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 177699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 177696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 177697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 177702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 177703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 177700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 177701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 177706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 177707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 177704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 177705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 177710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 177711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 177708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 177709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 177714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 177715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 177712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 177713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 177718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 177719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 177716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 177717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 177722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 177723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 177720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 177721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 177726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 177727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 177724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 177725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 177730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 177731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 177728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 177729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 177734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 177735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 177732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 177733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 177738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 177739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 177736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 177737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 177742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 177743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 177740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 177741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 177746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 177747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 177744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 177745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 177750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 177751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 177748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 177749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 177754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 177755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 177752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 177753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 177756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 177554#(<= ULTIMATE.start_main_~i~5 0), 177555#(<= ULTIMATE.start_main_~i~5 1), 177552#true, 177553#false, 177558#(<= ULTIMATE.start_main_~i~5 4), 177559#(<= ULTIMATE.start_main_~i~5 5), 177556#(<= ULTIMATE.start_main_~i~5 2), 177557#(<= ULTIMATE.start_main_~i~5 3), 177562#(<= ULTIMATE.start_main_~i~5 8), 177563#(<= ULTIMATE.start_main_~i~5 9), 177560#(<= ULTIMATE.start_main_~i~5 6), 177561#(<= ULTIMATE.start_main_~i~5 7), 177566#(<= ULTIMATE.start_main_~i~5 12), 177567#(<= ULTIMATE.start_main_~i~5 13), 177564#(<= ULTIMATE.start_main_~i~5 10), 177565#(<= ULTIMATE.start_main_~i~5 11), 177570#(<= ULTIMATE.start_main_~i~5 16), 177571#(<= ULTIMATE.start_main_~i~5 17), 177568#(<= ULTIMATE.start_main_~i~5 14), 177569#(<= ULTIMATE.start_main_~i~5 15), 177574#(<= ULTIMATE.start_main_~i~5 20), 177575#(<= ULTIMATE.start_main_~i~5 21), 177572#(<= ULTIMATE.start_main_~i~5 18), 177573#(<= ULTIMATE.start_main_~i~5 19), 177578#(<= ULTIMATE.start_main_~i~5 24), 177579#(<= ULTIMATE.start_main_~i~5 25), 177576#(<= ULTIMATE.start_main_~i~5 22), 177577#(<= ULTIMATE.start_main_~i~5 23), 177582#(<= ULTIMATE.start_main_~i~5 28), 177583#(<= ULTIMATE.start_main_~i~5 29), 177580#(<= ULTIMATE.start_main_~i~5 26), 177581#(<= ULTIMATE.start_main_~i~5 27), 177586#(<= ULTIMATE.start_main_~i~5 32), 177587#(<= ULTIMATE.start_main_~i~5 33), 177584#(<= ULTIMATE.start_main_~i~5 30), 177585#(<= ULTIMATE.start_main_~i~5 31), 177590#(<= ULTIMATE.start_main_~i~5 36), 177591#(<= ULTIMATE.start_main_~i~5 37), 177588#(<= ULTIMATE.start_main_~i~5 34), 177589#(<= ULTIMATE.start_main_~i~5 35), 177594#(<= ULTIMATE.start_main_~i~5 40), 177595#(<= ULTIMATE.start_main_~i~5 41), 177592#(<= ULTIMATE.start_main_~i~5 38), 177593#(<= ULTIMATE.start_main_~i~5 39), 177598#(<= ULTIMATE.start_main_~i~5 44), 177599#(<= ULTIMATE.start_main_~i~5 45), 177596#(<= ULTIMATE.start_main_~i~5 42), 177597#(<= ULTIMATE.start_main_~i~5 43), 177602#(<= ULTIMATE.start_main_~i~5 48), 177603#(<= ULTIMATE.start_main_~i~5 49), 177600#(<= ULTIMATE.start_main_~i~5 46), 177601#(<= ULTIMATE.start_main_~i~5 47), 177606#(<= ULTIMATE.start_main_~i~5 52), 177607#(<= ULTIMATE.start_main_~i~5 53), 177604#(<= ULTIMATE.start_main_~i~5 50), 177605#(<= ULTIMATE.start_main_~i~5 51), 177610#(<= ULTIMATE.start_main_~i~5 56), 177611#(<= ULTIMATE.start_main_~i~5 57), 177608#(<= ULTIMATE.start_main_~i~5 54), 177609#(<= ULTIMATE.start_main_~i~5 55), 177614#(<= ULTIMATE.start_main_~i~5 60), 177615#(<= ULTIMATE.start_main_~i~5 61), 177612#(<= ULTIMATE.start_main_~i~5 58), 177613#(<= ULTIMATE.start_main_~i~5 59), 177618#(<= ULTIMATE.start_main_~i~5 64), 177619#(<= ULTIMATE.start_main_~i~5 65), 177616#(<= ULTIMATE.start_main_~i~5 62), 177617#(<= ULTIMATE.start_main_~i~5 63), 177622#(<= ULTIMATE.start_main_~i~5 68), 177623#(<= ULTIMATE.start_main_~i~5 69), 177620#(<= ULTIMATE.start_main_~i~5 66), 177621#(<= ULTIMATE.start_main_~i~5 67), 177626#(<= ULTIMATE.start_main_~i~5 72), 177627#(<= ULTIMATE.start_main_~i~5 73), 177624#(<= ULTIMATE.start_main_~i~5 70), 177625#(<= ULTIMATE.start_main_~i~5 71), 177630#(<= ULTIMATE.start_main_~i~5 76), 177631#(<= ULTIMATE.start_main_~i~5 77), 177628#(<= ULTIMATE.start_main_~i~5 74), 177629#(<= ULTIMATE.start_main_~i~5 75), 177634#(<= ULTIMATE.start_main_~i~5 80), 177635#(<= ULTIMATE.start_main_~i~5 81), 177632#(<= ULTIMATE.start_main_~i~5 78), 177633#(<= ULTIMATE.start_main_~i~5 79), 177638#(<= ULTIMATE.start_main_~i~5 84), 177639#(<= ULTIMATE.start_main_~i~5 85), 177636#(<= ULTIMATE.start_main_~i~5 82), 177637#(<= ULTIMATE.start_main_~i~5 83), 177642#(<= ULTIMATE.start_main_~i~5 88), 177643#(<= ULTIMATE.start_main_~i~5 89), 177640#(<= ULTIMATE.start_main_~i~5 86), 177641#(<= ULTIMATE.start_main_~i~5 87), 177646#(<= ULTIMATE.start_main_~i~5 92), 177647#(<= ULTIMATE.start_main_~i~5 93), 177644#(<= ULTIMATE.start_main_~i~5 90), 177645#(<= ULTIMATE.start_main_~i~5 91), 177650#(<= ULTIMATE.start_main_~i~5 96), 177651#(<= ULTIMATE.start_main_~i~5 97), 177648#(<= ULTIMATE.start_main_~i~5 94), 177649#(<= ULTIMATE.start_main_~i~5 95), 177654#(<= ULTIMATE.start_main_~i~5 100), 177655#(<= ULTIMATE.start_main_~i~5 101), 177652#(<= ULTIMATE.start_main_~i~5 98), 177653#(<= ULTIMATE.start_main_~i~5 99), 177658#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 177659#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 177656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 177657#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 177662#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 177663#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 177660#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 177661#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96))] [2018-07-23 13:48:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 20604 backedges. 10302 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:17,254 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:48:17,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:48:17,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10608, Invalid=31212, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:48:17,256 INFO L87 Difference]: Start difference. First operand 411 states and 412 transitions. Second operand 205 states. [2018-07-23 13:48:18,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:18,734 INFO L93 Difference]: Finished difference Result 619 states and 621 transitions. [2018-07-23 13:48:18,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:48:18,735 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 410 [2018-07-23 13:48:18,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:18,735 INFO L225 Difference]: With dead ends: 619 [2018-07-23 13:48:18,735 INFO L226 Difference]: Without dead ends: 413 [2018-07-23 13:48:18,740 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15151 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26162, Invalid=67168, Unknown=0, NotChecked=0, Total=93330 [2018-07-23 13:48:18,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-07-23 13:48:18,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2018-07-23 13:48:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-07-23 13:48:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 414 transitions. [2018-07-23 13:48:18,776 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 414 transitions. Word has length 410 [2018-07-23 13:48:18,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:18,776 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 414 transitions. [2018-07-23 13:48:18,776 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:48:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 414 transitions. [2018-07-23 13:48:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-07-23 13:48:18,777 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:18,777 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 102, 101, 1, 1, 1, 1] [2018-07-23 13:48:18,778 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:18,778 INFO L82 PathProgramCache]: Analyzing trace with hash -403023917, now seen corresponding path program 153 times [2018-07-23 13:48:18,778 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20808 backedges. 10506 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:19,619 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:19,619 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:48:19,619 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:19,619 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 13:48:19,620 INFO L185 omatonBuilderFactory]: Interpolants [180023#true, 180026#(<= 1 ULTIMATE.start_main_~k~5), 180027#(<= 2 ULTIMATE.start_main_~k~5), 180024#false, 180025#(<= 0 ULTIMATE.start_main_~k~5), 180030#(<= 5 ULTIMATE.start_main_~k~5), 180031#(<= 6 ULTIMATE.start_main_~k~5), 180028#(<= 3 ULTIMATE.start_main_~k~5), 180029#(<= 4 ULTIMATE.start_main_~k~5), 180034#(<= 9 ULTIMATE.start_main_~k~5), 180035#(<= 10 ULTIMATE.start_main_~k~5), 180032#(<= 7 ULTIMATE.start_main_~k~5), 180033#(<= 8 ULTIMATE.start_main_~k~5), 180038#(<= 13 ULTIMATE.start_main_~k~5), 180039#(<= 14 ULTIMATE.start_main_~k~5), 180036#(<= 11 ULTIMATE.start_main_~k~5), 180037#(<= 12 ULTIMATE.start_main_~k~5), 180042#(<= 17 ULTIMATE.start_main_~k~5), 180043#(<= 18 ULTIMATE.start_main_~k~5), 180040#(<= 15 ULTIMATE.start_main_~k~5), 180041#(<= 16 ULTIMATE.start_main_~k~5), 180046#(<= 21 ULTIMATE.start_main_~k~5), 180047#(<= 22 ULTIMATE.start_main_~k~5), 180044#(<= 19 ULTIMATE.start_main_~k~5), 180045#(<= 20 ULTIMATE.start_main_~k~5), 180050#(<= 25 ULTIMATE.start_main_~k~5), 180051#(<= 26 ULTIMATE.start_main_~k~5), 180048#(<= 23 ULTIMATE.start_main_~k~5), 180049#(<= 24 ULTIMATE.start_main_~k~5), 180054#(<= 29 ULTIMATE.start_main_~k~5), 180055#(<= 30 ULTIMATE.start_main_~k~5), 180052#(<= 27 ULTIMATE.start_main_~k~5), 180053#(<= 28 ULTIMATE.start_main_~k~5), 180058#(<= 33 ULTIMATE.start_main_~k~5), 180059#(<= 34 ULTIMATE.start_main_~k~5), 180056#(<= 31 ULTIMATE.start_main_~k~5), 180057#(<= 32 ULTIMATE.start_main_~k~5), 180062#(<= 37 ULTIMATE.start_main_~k~5), 180063#(<= 38 ULTIMATE.start_main_~k~5), 180060#(<= 35 ULTIMATE.start_main_~k~5), 180061#(<= 36 ULTIMATE.start_main_~k~5), 180066#(<= 41 ULTIMATE.start_main_~k~5), 180067#(<= 42 ULTIMATE.start_main_~k~5), 180064#(<= 39 ULTIMATE.start_main_~k~5), 180065#(<= 40 ULTIMATE.start_main_~k~5), 180070#(<= 45 ULTIMATE.start_main_~k~5), 180071#(<= 46 ULTIMATE.start_main_~k~5), 180068#(<= 43 ULTIMATE.start_main_~k~5), 180069#(<= 44 ULTIMATE.start_main_~k~5), 180074#(<= 49 ULTIMATE.start_main_~k~5), 180075#(<= 50 ULTIMATE.start_main_~k~5), 180072#(<= 47 ULTIMATE.start_main_~k~5), 180073#(<= 48 ULTIMATE.start_main_~k~5), 180078#(<= 53 ULTIMATE.start_main_~k~5), 180079#(<= 54 ULTIMATE.start_main_~k~5), 180076#(<= 51 ULTIMATE.start_main_~k~5), 180077#(<= 52 ULTIMATE.start_main_~k~5), 180082#(<= 57 ULTIMATE.start_main_~k~5), 180083#(<= 58 ULTIMATE.start_main_~k~5), 180080#(<= 55 ULTIMATE.start_main_~k~5), 180081#(<= 56 ULTIMATE.start_main_~k~5), 180086#(<= 61 ULTIMATE.start_main_~k~5), 180087#(<= 62 ULTIMATE.start_main_~k~5), 180084#(<= 59 ULTIMATE.start_main_~k~5), 180085#(<= 60 ULTIMATE.start_main_~k~5), 180090#(<= 65 ULTIMATE.start_main_~k~5), 180091#(<= 66 ULTIMATE.start_main_~k~5), 180088#(<= 63 ULTIMATE.start_main_~k~5), 180089#(<= 64 ULTIMATE.start_main_~k~5), 180094#(<= 69 ULTIMATE.start_main_~k~5), 180095#(<= 70 ULTIMATE.start_main_~k~5), 180092#(<= 67 ULTIMATE.start_main_~k~5), 180093#(<= 68 ULTIMATE.start_main_~k~5), 180098#(<= 73 ULTIMATE.start_main_~k~5), 180099#(<= 74 ULTIMATE.start_main_~k~5), 180096#(<= 71 ULTIMATE.start_main_~k~5), 180097#(<= 72 ULTIMATE.start_main_~k~5), 180102#(<= 77 ULTIMATE.start_main_~k~5), 180103#(<= 78 ULTIMATE.start_main_~k~5), 180100#(<= 75 ULTIMATE.start_main_~k~5), 180101#(<= 76 ULTIMATE.start_main_~k~5), 180106#(<= 81 ULTIMATE.start_main_~k~5), 180107#(<= 82 ULTIMATE.start_main_~k~5), 180104#(<= 79 ULTIMATE.start_main_~k~5), 180105#(<= 80 ULTIMATE.start_main_~k~5), 180110#(<= 85 ULTIMATE.start_main_~k~5), 180111#(<= 86 ULTIMATE.start_main_~k~5), 180108#(<= 83 ULTIMATE.start_main_~k~5), 180109#(<= 84 ULTIMATE.start_main_~k~5), 180114#(<= 89 ULTIMATE.start_main_~k~5), 180115#(<= 90 ULTIMATE.start_main_~k~5), 180112#(<= 87 ULTIMATE.start_main_~k~5), 180113#(<= 88 ULTIMATE.start_main_~k~5), 180118#(<= 93 ULTIMATE.start_main_~k~5), 180119#(<= 94 ULTIMATE.start_main_~k~5), 180116#(<= 91 ULTIMATE.start_main_~k~5), 180117#(<= 92 ULTIMATE.start_main_~k~5), 180122#(<= 97 ULTIMATE.start_main_~k~5), 180123#(<= 98 ULTIMATE.start_main_~k~5), 180120#(<= 95 ULTIMATE.start_main_~k~5), 180121#(<= 96 ULTIMATE.start_main_~k~5), 180126#(<= 101 ULTIMATE.start_main_~k~5), 180127#(<= 102 ULTIMATE.start_main_~k~5), 180124#(<= 99 ULTIMATE.start_main_~k~5), 180125#(<= 100 ULTIMATE.start_main_~k~5), 180128#(and (<= 102 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 180129#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))] [2018-07-23 13:48:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 20808 backedges. 10506 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:19,620 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:48:19,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:48:19,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5567, Invalid=5775, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:48:19,622 INFO L87 Difference]: Start difference. First operand 413 states and 414 transitions. Second operand 107 states. [2018-07-23 13:48:20,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:20,096 INFO L93 Difference]: Finished difference Result 419 states and 421 transitions. [2018-07-23 13:48:20,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:48:20,097 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 412 [2018-07-23 13:48:20,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:20,097 INFO L225 Difference]: With dead ends: 419 [2018-07-23 13:48:20,097 INFO L226 Difference]: Without dead ends: 417 [2018-07-23 13:48:20,100 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10609 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16486, Invalid=27404, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:48:20,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-07-23 13:48:20,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2018-07-23 13:48:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-07-23 13:48:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 418 transitions. [2018-07-23 13:48:20,134 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 418 transitions. Word has length 412 [2018-07-23 13:48:20,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:20,134 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 418 transitions. [2018-07-23 13:48:20,134 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:48:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 418 transitions. [2018-07-23 13:48:20,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-07-23 13:48:20,135 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:20,136 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 103, 102, 1, 1, 1, 1] [2018-07-23 13:48:20,136 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:20,136 INFO L82 PathProgramCache]: Analyzing trace with hash 865376455, now seen corresponding path program 154 times [2018-07-23 13:48:20,136 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 21218 backedges. 10712 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:21,698 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:21,698 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:48:21,698 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:21,698 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 13:48:21,698 INFO L185 omatonBuilderFactory]: Interpolants [182010#(<= ULTIMATE.start_main_~i~5 0), 182011#(<= ULTIMATE.start_main_~i~5 1), 182008#true, 182009#false, 182014#(<= ULTIMATE.start_main_~i~5 4), 182015#(<= ULTIMATE.start_main_~i~5 5), 182012#(<= ULTIMATE.start_main_~i~5 2), 182013#(<= ULTIMATE.start_main_~i~5 3), 182018#(<= ULTIMATE.start_main_~i~5 8), 182019#(<= ULTIMATE.start_main_~i~5 9), 182016#(<= ULTIMATE.start_main_~i~5 6), 182017#(<= ULTIMATE.start_main_~i~5 7), 182022#(<= ULTIMATE.start_main_~i~5 12), 182023#(<= ULTIMATE.start_main_~i~5 13), 182020#(<= ULTIMATE.start_main_~i~5 10), 182021#(<= ULTIMATE.start_main_~i~5 11), 182026#(<= ULTIMATE.start_main_~i~5 16), 182027#(<= ULTIMATE.start_main_~i~5 17), 182024#(<= ULTIMATE.start_main_~i~5 14), 182025#(<= ULTIMATE.start_main_~i~5 15), 182030#(<= ULTIMATE.start_main_~i~5 20), 182031#(<= ULTIMATE.start_main_~i~5 21), 182028#(<= ULTIMATE.start_main_~i~5 18), 182029#(<= ULTIMATE.start_main_~i~5 19), 182034#(<= ULTIMATE.start_main_~i~5 24), 182035#(<= ULTIMATE.start_main_~i~5 25), 182032#(<= ULTIMATE.start_main_~i~5 22), 182033#(<= ULTIMATE.start_main_~i~5 23), 182038#(<= ULTIMATE.start_main_~i~5 28), 182039#(<= ULTIMATE.start_main_~i~5 29), 182036#(<= ULTIMATE.start_main_~i~5 26), 182037#(<= ULTIMATE.start_main_~i~5 27), 182042#(<= ULTIMATE.start_main_~i~5 32), 182043#(<= ULTIMATE.start_main_~i~5 33), 182040#(<= ULTIMATE.start_main_~i~5 30), 182041#(<= ULTIMATE.start_main_~i~5 31), 182046#(<= ULTIMATE.start_main_~i~5 36), 182047#(<= ULTIMATE.start_main_~i~5 37), 182044#(<= ULTIMATE.start_main_~i~5 34), 182045#(<= ULTIMATE.start_main_~i~5 35), 182050#(<= ULTIMATE.start_main_~i~5 40), 182051#(<= ULTIMATE.start_main_~i~5 41), 182048#(<= ULTIMATE.start_main_~i~5 38), 182049#(<= ULTIMATE.start_main_~i~5 39), 182054#(<= ULTIMATE.start_main_~i~5 44), 182055#(<= ULTIMATE.start_main_~i~5 45), 182052#(<= ULTIMATE.start_main_~i~5 42), 182053#(<= ULTIMATE.start_main_~i~5 43), 182058#(<= ULTIMATE.start_main_~i~5 48), 182059#(<= ULTIMATE.start_main_~i~5 49), 182056#(<= ULTIMATE.start_main_~i~5 46), 182057#(<= ULTIMATE.start_main_~i~5 47), 182062#(<= ULTIMATE.start_main_~i~5 52), 182063#(<= ULTIMATE.start_main_~i~5 53), 182060#(<= ULTIMATE.start_main_~i~5 50), 182061#(<= ULTIMATE.start_main_~i~5 51), 182066#(<= ULTIMATE.start_main_~i~5 56), 182067#(<= ULTIMATE.start_main_~i~5 57), 182064#(<= ULTIMATE.start_main_~i~5 54), 182065#(<= ULTIMATE.start_main_~i~5 55), 182070#(<= ULTIMATE.start_main_~i~5 60), 182071#(<= ULTIMATE.start_main_~i~5 61), 182068#(<= ULTIMATE.start_main_~i~5 58), 182069#(<= ULTIMATE.start_main_~i~5 59), 182074#(<= ULTIMATE.start_main_~i~5 64), 182075#(<= ULTIMATE.start_main_~i~5 65), 182072#(<= ULTIMATE.start_main_~i~5 62), 182073#(<= ULTIMATE.start_main_~i~5 63), 182078#(<= ULTIMATE.start_main_~i~5 68), 182079#(<= ULTIMATE.start_main_~i~5 69), 182076#(<= ULTIMATE.start_main_~i~5 66), 182077#(<= ULTIMATE.start_main_~i~5 67), 182082#(<= ULTIMATE.start_main_~i~5 72), 182083#(<= ULTIMATE.start_main_~i~5 73), 182080#(<= ULTIMATE.start_main_~i~5 70), 182081#(<= ULTIMATE.start_main_~i~5 71), 182086#(<= ULTIMATE.start_main_~i~5 76), 182087#(<= ULTIMATE.start_main_~i~5 77), 182084#(<= ULTIMATE.start_main_~i~5 74), 182085#(<= ULTIMATE.start_main_~i~5 75), 182090#(<= ULTIMATE.start_main_~i~5 80), 182091#(<= ULTIMATE.start_main_~i~5 81), 182088#(<= ULTIMATE.start_main_~i~5 78), 182089#(<= ULTIMATE.start_main_~i~5 79), 182094#(<= ULTIMATE.start_main_~i~5 84), 182095#(<= ULTIMATE.start_main_~i~5 85), 182092#(<= ULTIMATE.start_main_~i~5 82), 182093#(<= ULTIMATE.start_main_~i~5 83), 182098#(<= ULTIMATE.start_main_~i~5 88), 182099#(<= ULTIMATE.start_main_~i~5 89), 182096#(<= ULTIMATE.start_main_~i~5 86), 182097#(<= ULTIMATE.start_main_~i~5 87), 182102#(<= ULTIMATE.start_main_~i~5 92), 182103#(<= ULTIMATE.start_main_~i~5 93), 182100#(<= ULTIMATE.start_main_~i~5 90), 182101#(<= ULTIMATE.start_main_~i~5 91), 182106#(<= ULTIMATE.start_main_~i~5 96), 182107#(<= ULTIMATE.start_main_~i~5 97), 182104#(<= ULTIMATE.start_main_~i~5 94), 182105#(<= ULTIMATE.start_main_~i~5 95), 182110#(<= ULTIMATE.start_main_~i~5 100), 182111#(<= ULTIMATE.start_main_~i~5 101), 182108#(<= ULTIMATE.start_main_~i~5 98), 182109#(<= ULTIMATE.start_main_~i~5 99), 182114#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 182115#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 182112#(<= ULTIMATE.start_main_~i~5 102), 182113#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 182118#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 182119#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 182116#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 182117#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 182122#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 182123#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 182120#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 182121#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 182126#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 182127#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 182124#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 182125#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 182130#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 182131#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 182128#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 182129#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 182134#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 182135#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 182132#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 182133#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 182138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 182139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 182136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 182137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 182142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 182143#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 182140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 182141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 182146#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 182147#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 182144#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 182145#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 182150#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 182151#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 182148#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 182149#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 182154#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 182155#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 182152#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 182153#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 182158#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 182159#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 182156#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 182157#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 182162#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 182163#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 182160#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 182161#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 182166#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 182167#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 182164#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 182165#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 182170#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 182171#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 182168#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 182169#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 182174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 182175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 182172#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 182173#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 182178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 182179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 182176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 182177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 182182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 182183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 182180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 182181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 182186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 182187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 182184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 182185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 182190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 182191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 182188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 182189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 182194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 182195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 182192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 182193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 182198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 182199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 182196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 182197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 182202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 182203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 182200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 182201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 182206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 182207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 182204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 182205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 182210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 182211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 182208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 182209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 182214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 182215#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 182212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 182213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2))] [2018-07-23 13:48:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21218 backedges. 10712 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:21,700 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:48:21,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:48:21,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10919, Invalid=32137, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:48:21,702 INFO L87 Difference]: Start difference. First operand 417 states and 418 transitions. Second operand 208 states. [2018-07-23 13:48:23,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:23,386 INFO L93 Difference]: Finished difference Result 629 states and 631 transitions. [2018-07-23 13:48:23,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:48:23,386 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 416 [2018-07-23 13:48:23,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:23,387 INFO L225 Difference]: With dead ends: 629 [2018-07-23 13:48:23,387 INFO L226 Difference]: Without dead ends: 419 [2018-07-23 13:48:23,393 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15657 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=26780, Invalid=69010, Unknown=0, NotChecked=0, Total=95790 [2018-07-23 13:48:23,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-07-23 13:48:23,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2018-07-23 13:48:23,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-07-23 13:48:23,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 420 transitions. [2018-07-23 13:48:23,431 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 420 transitions. Word has length 416 [2018-07-23 13:48:23,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:23,431 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 420 transitions. [2018-07-23 13:48:23,431 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:48:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 420 transitions. [2018-07-23 13:48:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-07-23 13:48:23,433 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:23,433 INFO L357 BasicCegarLoop]: trace histogram [104, 104, 103, 103, 1, 1, 1, 1] [2018-07-23 13:48:23,433 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:23,433 INFO L82 PathProgramCache]: Analyzing trace with hash -2140974141, now seen corresponding path program 155 times [2018-07-23 13:48:23,433 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 10712 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:25,099 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:25,099 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:48:25,100 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:25,100 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 13:48:25,100 INFO L185 omatonBuilderFactory]: Interpolants [184518#(<= ULTIMATE.start_main_~i~5 0), 184519#(<= ULTIMATE.start_main_~i~5 1), 184516#true, 184517#false, 184522#(<= ULTIMATE.start_main_~i~5 4), 184523#(<= ULTIMATE.start_main_~i~5 5), 184520#(<= ULTIMATE.start_main_~i~5 2), 184521#(<= ULTIMATE.start_main_~i~5 3), 184526#(<= ULTIMATE.start_main_~i~5 8), 184527#(<= ULTIMATE.start_main_~i~5 9), 184524#(<= ULTIMATE.start_main_~i~5 6), 184525#(<= ULTIMATE.start_main_~i~5 7), 184530#(<= ULTIMATE.start_main_~i~5 12), 184531#(<= ULTIMATE.start_main_~i~5 13), 184528#(<= ULTIMATE.start_main_~i~5 10), 184529#(<= ULTIMATE.start_main_~i~5 11), 184534#(<= ULTIMATE.start_main_~i~5 16), 184535#(<= ULTIMATE.start_main_~i~5 17), 184532#(<= ULTIMATE.start_main_~i~5 14), 184533#(<= ULTIMATE.start_main_~i~5 15), 184538#(<= ULTIMATE.start_main_~i~5 20), 184539#(<= ULTIMATE.start_main_~i~5 21), 184536#(<= ULTIMATE.start_main_~i~5 18), 184537#(<= ULTIMATE.start_main_~i~5 19), 184542#(<= ULTIMATE.start_main_~i~5 24), 184543#(<= ULTIMATE.start_main_~i~5 25), 184540#(<= ULTIMATE.start_main_~i~5 22), 184541#(<= ULTIMATE.start_main_~i~5 23), 184546#(<= ULTIMATE.start_main_~i~5 28), 184547#(<= ULTIMATE.start_main_~i~5 29), 184544#(<= ULTIMATE.start_main_~i~5 26), 184545#(<= ULTIMATE.start_main_~i~5 27), 184550#(<= ULTIMATE.start_main_~i~5 32), 184551#(<= ULTIMATE.start_main_~i~5 33), 184548#(<= ULTIMATE.start_main_~i~5 30), 184549#(<= ULTIMATE.start_main_~i~5 31), 184554#(<= ULTIMATE.start_main_~i~5 36), 184555#(<= ULTIMATE.start_main_~i~5 37), 184552#(<= ULTIMATE.start_main_~i~5 34), 184553#(<= ULTIMATE.start_main_~i~5 35), 184558#(<= ULTIMATE.start_main_~i~5 40), 184559#(<= ULTIMATE.start_main_~i~5 41), 184556#(<= ULTIMATE.start_main_~i~5 38), 184557#(<= ULTIMATE.start_main_~i~5 39), 184562#(<= ULTIMATE.start_main_~i~5 44), 184563#(<= ULTIMATE.start_main_~i~5 45), 184560#(<= ULTIMATE.start_main_~i~5 42), 184561#(<= ULTIMATE.start_main_~i~5 43), 184566#(<= ULTIMATE.start_main_~i~5 48), 184567#(<= ULTIMATE.start_main_~i~5 49), 184564#(<= ULTIMATE.start_main_~i~5 46), 184565#(<= ULTIMATE.start_main_~i~5 47), 184570#(<= ULTIMATE.start_main_~i~5 52), 184571#(<= ULTIMATE.start_main_~i~5 53), 184568#(<= ULTIMATE.start_main_~i~5 50), 184569#(<= ULTIMATE.start_main_~i~5 51), 184574#(<= ULTIMATE.start_main_~i~5 56), 184575#(<= ULTIMATE.start_main_~i~5 57), 184572#(<= ULTIMATE.start_main_~i~5 54), 184573#(<= ULTIMATE.start_main_~i~5 55), 184578#(<= ULTIMATE.start_main_~i~5 60), 184579#(<= ULTIMATE.start_main_~i~5 61), 184576#(<= ULTIMATE.start_main_~i~5 58), 184577#(<= ULTIMATE.start_main_~i~5 59), 184582#(<= ULTIMATE.start_main_~i~5 64), 184583#(<= ULTIMATE.start_main_~i~5 65), 184580#(<= ULTIMATE.start_main_~i~5 62), 184581#(<= ULTIMATE.start_main_~i~5 63), 184586#(<= ULTIMATE.start_main_~i~5 68), 184587#(<= ULTIMATE.start_main_~i~5 69), 184584#(<= ULTIMATE.start_main_~i~5 66), 184585#(<= ULTIMATE.start_main_~i~5 67), 184590#(<= ULTIMATE.start_main_~i~5 72), 184591#(<= ULTIMATE.start_main_~i~5 73), 184588#(<= ULTIMATE.start_main_~i~5 70), 184589#(<= ULTIMATE.start_main_~i~5 71), 184594#(<= ULTIMATE.start_main_~i~5 76), 184595#(<= ULTIMATE.start_main_~i~5 77), 184592#(<= ULTIMATE.start_main_~i~5 74), 184593#(<= ULTIMATE.start_main_~i~5 75), 184598#(<= ULTIMATE.start_main_~i~5 80), 184599#(<= ULTIMATE.start_main_~i~5 81), 184596#(<= ULTIMATE.start_main_~i~5 78), 184597#(<= ULTIMATE.start_main_~i~5 79), 184602#(<= ULTIMATE.start_main_~i~5 84), 184603#(<= ULTIMATE.start_main_~i~5 85), 184600#(<= ULTIMATE.start_main_~i~5 82), 184601#(<= ULTIMATE.start_main_~i~5 83), 184606#(<= ULTIMATE.start_main_~i~5 88), 184607#(<= ULTIMATE.start_main_~i~5 89), 184604#(<= ULTIMATE.start_main_~i~5 86), 184605#(<= ULTIMATE.start_main_~i~5 87), 184610#(<= ULTIMATE.start_main_~i~5 92), 184611#(<= ULTIMATE.start_main_~i~5 93), 184608#(<= ULTIMATE.start_main_~i~5 90), 184609#(<= ULTIMATE.start_main_~i~5 91), 184614#(<= ULTIMATE.start_main_~i~5 96), 184615#(<= ULTIMATE.start_main_~i~5 97), 184612#(<= ULTIMATE.start_main_~i~5 94), 184613#(<= ULTIMATE.start_main_~i~5 95), 184618#(<= ULTIMATE.start_main_~i~5 100), 184619#(<= ULTIMATE.start_main_~i~5 101), 184616#(<= ULTIMATE.start_main_~i~5 98), 184617#(<= ULTIMATE.start_main_~i~5 99), 184622#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 184623#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 184620#(<= ULTIMATE.start_main_~i~5 102), 184621#(<= ULTIMATE.start_main_~i~5 103), 184626#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 184627#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 184624#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 184625#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 184630#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 184631#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 184628#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 184629#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 184634#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 184635#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 184632#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 184633#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 184638#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 184639#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 184636#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 184637#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 184642#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 184643#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 184640#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 184641#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 184646#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 184647#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 184644#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 184645#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 184650#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 184651#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 184648#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 184649#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 184654#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 184655#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 184652#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 184653#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 184658#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 184659#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 184656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 184657#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 184662#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 184663#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 184660#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 184661#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 184666#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 184667#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 184664#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 184665#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 184670#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 184671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 184668#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 184669#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 184674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 184675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 184672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 184673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 184678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 184679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 184676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 184677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 184682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 184683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 184680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 184681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 184686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 184687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 184684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 184685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 184690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 184691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 184688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 184689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 184694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 184695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 184692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 184693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 184698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 184699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 184696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 184697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 184702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 184703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 184700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 184701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 184706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 184707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 184704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 184705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 184710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 184711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 184708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 184709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 184714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 184715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 184712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 184713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 184718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 184719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 184716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 184717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 184722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 184723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 184720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 184721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 184724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:48:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 10712 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:25,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:48:25,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:48:25,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11024, Invalid=32448, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:48:25,103 INFO L87 Difference]: Start difference. First operand 419 states and 420 transitions. Second operand 209 states. [2018-07-23 13:48:26,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:26,456 INFO L93 Difference]: Finished difference Result 631 states and 633 transitions. [2018-07-23 13:48:26,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:48:26,456 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 418 [2018-07-23 13:48:26,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:26,457 INFO L225 Difference]: With dead ends: 631 [2018-07-23 13:48:26,457 INFO L226 Difference]: Without dead ends: 421 [2018-07-23 13:48:26,461 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15760 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27195, Invalid=69837, Unknown=0, NotChecked=0, Total=97032 [2018-07-23 13:48:26,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-07-23 13:48:26,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2018-07-23 13:48:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-07-23 13:48:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 422 transitions. [2018-07-23 13:48:26,494 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 422 transitions. Word has length 418 [2018-07-23 13:48:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:26,494 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 422 transitions. [2018-07-23 13:48:26,494 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:48:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 422 transitions. [2018-07-23 13:48:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-07-23 13:48:26,495 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:26,495 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 104, 103, 1, 1, 1, 1] [2018-07-23 13:48:26,495 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:26,496 INFO L82 PathProgramCache]: Analyzing trace with hash -730906689, now seen corresponding path program 156 times [2018-07-23 13:48:26,496 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 21632 backedges. 10920 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:27,399 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:27,400 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:48:27,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:27,400 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 13:48:27,400 INFO L185 omatonBuilderFactory]: Interpolants [187138#(<= 101 ULTIMATE.start_main_~k~5), 187139#(<= 102 ULTIMATE.start_main_~k~5), 187136#(<= 99 ULTIMATE.start_main_~k~5), 187137#(<= 100 ULTIMATE.start_main_~k~5), 187142#(and (<= 104 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 187143#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 187140#(<= 103 ULTIMATE.start_main_~k~5), 187141#(<= 104 ULTIMATE.start_main_~k~5), 187035#true, 187038#(<= 1 ULTIMATE.start_main_~k~5), 187039#(<= 2 ULTIMATE.start_main_~k~5), 187036#false, 187037#(<= 0 ULTIMATE.start_main_~k~5), 187042#(<= 5 ULTIMATE.start_main_~k~5), 187043#(<= 6 ULTIMATE.start_main_~k~5), 187040#(<= 3 ULTIMATE.start_main_~k~5), 187041#(<= 4 ULTIMATE.start_main_~k~5), 187046#(<= 9 ULTIMATE.start_main_~k~5), 187047#(<= 10 ULTIMATE.start_main_~k~5), 187044#(<= 7 ULTIMATE.start_main_~k~5), 187045#(<= 8 ULTIMATE.start_main_~k~5), 187050#(<= 13 ULTIMATE.start_main_~k~5), 187051#(<= 14 ULTIMATE.start_main_~k~5), 187048#(<= 11 ULTIMATE.start_main_~k~5), 187049#(<= 12 ULTIMATE.start_main_~k~5), 187054#(<= 17 ULTIMATE.start_main_~k~5), 187055#(<= 18 ULTIMATE.start_main_~k~5), 187052#(<= 15 ULTIMATE.start_main_~k~5), 187053#(<= 16 ULTIMATE.start_main_~k~5), 187058#(<= 21 ULTIMATE.start_main_~k~5), 187059#(<= 22 ULTIMATE.start_main_~k~5), 187056#(<= 19 ULTIMATE.start_main_~k~5), 187057#(<= 20 ULTIMATE.start_main_~k~5), 187062#(<= 25 ULTIMATE.start_main_~k~5), 187063#(<= 26 ULTIMATE.start_main_~k~5), 187060#(<= 23 ULTIMATE.start_main_~k~5), 187061#(<= 24 ULTIMATE.start_main_~k~5), 187066#(<= 29 ULTIMATE.start_main_~k~5), 187067#(<= 30 ULTIMATE.start_main_~k~5), 187064#(<= 27 ULTIMATE.start_main_~k~5), 187065#(<= 28 ULTIMATE.start_main_~k~5), 187070#(<= 33 ULTIMATE.start_main_~k~5), 187071#(<= 34 ULTIMATE.start_main_~k~5), 187068#(<= 31 ULTIMATE.start_main_~k~5), 187069#(<= 32 ULTIMATE.start_main_~k~5), 187074#(<= 37 ULTIMATE.start_main_~k~5), 187075#(<= 38 ULTIMATE.start_main_~k~5), 187072#(<= 35 ULTIMATE.start_main_~k~5), 187073#(<= 36 ULTIMATE.start_main_~k~5), 187078#(<= 41 ULTIMATE.start_main_~k~5), 187079#(<= 42 ULTIMATE.start_main_~k~5), 187076#(<= 39 ULTIMATE.start_main_~k~5), 187077#(<= 40 ULTIMATE.start_main_~k~5), 187082#(<= 45 ULTIMATE.start_main_~k~5), 187083#(<= 46 ULTIMATE.start_main_~k~5), 187080#(<= 43 ULTIMATE.start_main_~k~5), 187081#(<= 44 ULTIMATE.start_main_~k~5), 187086#(<= 49 ULTIMATE.start_main_~k~5), 187087#(<= 50 ULTIMATE.start_main_~k~5), 187084#(<= 47 ULTIMATE.start_main_~k~5), 187085#(<= 48 ULTIMATE.start_main_~k~5), 187090#(<= 53 ULTIMATE.start_main_~k~5), 187091#(<= 54 ULTIMATE.start_main_~k~5), 187088#(<= 51 ULTIMATE.start_main_~k~5), 187089#(<= 52 ULTIMATE.start_main_~k~5), 187094#(<= 57 ULTIMATE.start_main_~k~5), 187095#(<= 58 ULTIMATE.start_main_~k~5), 187092#(<= 55 ULTIMATE.start_main_~k~5), 187093#(<= 56 ULTIMATE.start_main_~k~5), 187098#(<= 61 ULTIMATE.start_main_~k~5), 187099#(<= 62 ULTIMATE.start_main_~k~5), 187096#(<= 59 ULTIMATE.start_main_~k~5), 187097#(<= 60 ULTIMATE.start_main_~k~5), 187102#(<= 65 ULTIMATE.start_main_~k~5), 187103#(<= 66 ULTIMATE.start_main_~k~5), 187100#(<= 63 ULTIMATE.start_main_~k~5), 187101#(<= 64 ULTIMATE.start_main_~k~5), 187106#(<= 69 ULTIMATE.start_main_~k~5), 187107#(<= 70 ULTIMATE.start_main_~k~5), 187104#(<= 67 ULTIMATE.start_main_~k~5), 187105#(<= 68 ULTIMATE.start_main_~k~5), 187110#(<= 73 ULTIMATE.start_main_~k~5), 187111#(<= 74 ULTIMATE.start_main_~k~5), 187108#(<= 71 ULTIMATE.start_main_~k~5), 187109#(<= 72 ULTIMATE.start_main_~k~5), 187114#(<= 77 ULTIMATE.start_main_~k~5), 187115#(<= 78 ULTIMATE.start_main_~k~5), 187112#(<= 75 ULTIMATE.start_main_~k~5), 187113#(<= 76 ULTIMATE.start_main_~k~5), 187118#(<= 81 ULTIMATE.start_main_~k~5), 187119#(<= 82 ULTIMATE.start_main_~k~5), 187116#(<= 79 ULTIMATE.start_main_~k~5), 187117#(<= 80 ULTIMATE.start_main_~k~5), 187122#(<= 85 ULTIMATE.start_main_~k~5), 187123#(<= 86 ULTIMATE.start_main_~k~5), 187120#(<= 83 ULTIMATE.start_main_~k~5), 187121#(<= 84 ULTIMATE.start_main_~k~5), 187126#(<= 89 ULTIMATE.start_main_~k~5), 187127#(<= 90 ULTIMATE.start_main_~k~5), 187124#(<= 87 ULTIMATE.start_main_~k~5), 187125#(<= 88 ULTIMATE.start_main_~k~5), 187130#(<= 93 ULTIMATE.start_main_~k~5), 187131#(<= 94 ULTIMATE.start_main_~k~5), 187128#(<= 91 ULTIMATE.start_main_~k~5), 187129#(<= 92 ULTIMATE.start_main_~k~5), 187134#(<= 97 ULTIMATE.start_main_~k~5), 187135#(<= 98 ULTIMATE.start_main_~k~5), 187132#(<= 95 ULTIMATE.start_main_~k~5), 187133#(<= 96 ULTIMATE.start_main_~k~5)] [2018-07-23 13:48:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21632 backedges. 10920 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:27,401 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:48:27,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:48:27,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5780, Invalid=5992, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:48:27,402 INFO L87 Difference]: Start difference. First operand 421 states and 422 transitions. Second operand 109 states. [2018-07-23 13:48:27,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:27,955 INFO L93 Difference]: Finished difference Result 427 states and 429 transitions. [2018-07-23 13:48:27,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:48:27,955 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 420 [2018-07-23 13:48:27,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:27,956 INFO L225 Difference]: With dead ends: 427 [2018-07-23 13:48:27,956 INFO L226 Difference]: Without dead ends: 425 [2018-07-23 13:48:27,959 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11025 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17121, Invalid=28461, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:48:27,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-07-23 13:48:28,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2018-07-23 13:48:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-07-23 13:48:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 426 transitions. [2018-07-23 13:48:28,018 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 426 transitions. Word has length 420 [2018-07-23 13:48:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:28,018 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 426 transitions. [2018-07-23 13:48:28,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:48:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 426 transitions. [2018-07-23 13:48:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-07-23 13:48:28,021 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:28,021 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 105, 104, 1, 1, 1, 1] [2018-07-23 13:48:28,021 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:28,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1975801165, now seen corresponding path program 157 times [2018-07-23 13:48:28,021 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22050 backedges. 11130 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,616 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:29,616 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:48:29,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:29,616 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 13:48:29,617 INFO L185 omatonBuilderFactory]: Interpolants [189058#true, 189059#false, 189062#(<= ULTIMATE.start_main_~i~5 2), 189063#(<= ULTIMATE.start_main_~i~5 3), 189060#(<= ULTIMATE.start_main_~i~5 0), 189061#(<= ULTIMATE.start_main_~i~5 1), 189066#(<= ULTIMATE.start_main_~i~5 6), 189067#(<= ULTIMATE.start_main_~i~5 7), 189064#(<= ULTIMATE.start_main_~i~5 4), 189065#(<= ULTIMATE.start_main_~i~5 5), 189070#(<= ULTIMATE.start_main_~i~5 10), 189071#(<= ULTIMATE.start_main_~i~5 11), 189068#(<= ULTIMATE.start_main_~i~5 8), 189069#(<= ULTIMATE.start_main_~i~5 9), 189074#(<= ULTIMATE.start_main_~i~5 14), 189075#(<= ULTIMATE.start_main_~i~5 15), 189072#(<= ULTIMATE.start_main_~i~5 12), 189073#(<= ULTIMATE.start_main_~i~5 13), 189078#(<= ULTIMATE.start_main_~i~5 18), 189079#(<= ULTIMATE.start_main_~i~5 19), 189076#(<= ULTIMATE.start_main_~i~5 16), 189077#(<= ULTIMATE.start_main_~i~5 17), 189082#(<= ULTIMATE.start_main_~i~5 22), 189083#(<= ULTIMATE.start_main_~i~5 23), 189080#(<= ULTIMATE.start_main_~i~5 20), 189081#(<= ULTIMATE.start_main_~i~5 21), 189086#(<= ULTIMATE.start_main_~i~5 26), 189087#(<= ULTIMATE.start_main_~i~5 27), 189084#(<= ULTIMATE.start_main_~i~5 24), 189085#(<= ULTIMATE.start_main_~i~5 25), 189090#(<= ULTIMATE.start_main_~i~5 30), 189091#(<= ULTIMATE.start_main_~i~5 31), 189088#(<= ULTIMATE.start_main_~i~5 28), 189089#(<= ULTIMATE.start_main_~i~5 29), 189094#(<= ULTIMATE.start_main_~i~5 34), 189095#(<= ULTIMATE.start_main_~i~5 35), 189092#(<= ULTIMATE.start_main_~i~5 32), 189093#(<= ULTIMATE.start_main_~i~5 33), 189098#(<= ULTIMATE.start_main_~i~5 38), 189099#(<= ULTIMATE.start_main_~i~5 39), 189096#(<= ULTIMATE.start_main_~i~5 36), 189097#(<= ULTIMATE.start_main_~i~5 37), 189102#(<= ULTIMATE.start_main_~i~5 42), 189103#(<= ULTIMATE.start_main_~i~5 43), 189100#(<= ULTIMATE.start_main_~i~5 40), 189101#(<= ULTIMATE.start_main_~i~5 41), 189106#(<= ULTIMATE.start_main_~i~5 46), 189107#(<= ULTIMATE.start_main_~i~5 47), 189104#(<= ULTIMATE.start_main_~i~5 44), 189105#(<= ULTIMATE.start_main_~i~5 45), 189110#(<= ULTIMATE.start_main_~i~5 50), 189111#(<= ULTIMATE.start_main_~i~5 51), 189108#(<= ULTIMATE.start_main_~i~5 48), 189109#(<= ULTIMATE.start_main_~i~5 49), 189114#(<= ULTIMATE.start_main_~i~5 54), 189115#(<= ULTIMATE.start_main_~i~5 55), 189112#(<= ULTIMATE.start_main_~i~5 52), 189113#(<= ULTIMATE.start_main_~i~5 53), 189118#(<= ULTIMATE.start_main_~i~5 58), 189119#(<= ULTIMATE.start_main_~i~5 59), 189116#(<= ULTIMATE.start_main_~i~5 56), 189117#(<= ULTIMATE.start_main_~i~5 57), 189122#(<= ULTIMATE.start_main_~i~5 62), 189123#(<= ULTIMATE.start_main_~i~5 63), 189120#(<= ULTIMATE.start_main_~i~5 60), 189121#(<= ULTIMATE.start_main_~i~5 61), 189126#(<= ULTIMATE.start_main_~i~5 66), 189127#(<= ULTIMATE.start_main_~i~5 67), 189124#(<= ULTIMATE.start_main_~i~5 64), 189125#(<= ULTIMATE.start_main_~i~5 65), 189130#(<= ULTIMATE.start_main_~i~5 70), 189131#(<= ULTIMATE.start_main_~i~5 71), 189128#(<= ULTIMATE.start_main_~i~5 68), 189129#(<= ULTIMATE.start_main_~i~5 69), 189134#(<= ULTIMATE.start_main_~i~5 74), 189135#(<= ULTIMATE.start_main_~i~5 75), 189132#(<= ULTIMATE.start_main_~i~5 72), 189133#(<= ULTIMATE.start_main_~i~5 73), 189138#(<= ULTIMATE.start_main_~i~5 78), 189139#(<= ULTIMATE.start_main_~i~5 79), 189136#(<= ULTIMATE.start_main_~i~5 76), 189137#(<= ULTIMATE.start_main_~i~5 77), 189142#(<= ULTIMATE.start_main_~i~5 82), 189143#(<= ULTIMATE.start_main_~i~5 83), 189140#(<= ULTIMATE.start_main_~i~5 80), 189141#(<= ULTIMATE.start_main_~i~5 81), 189146#(<= ULTIMATE.start_main_~i~5 86), 189147#(<= ULTIMATE.start_main_~i~5 87), 189144#(<= ULTIMATE.start_main_~i~5 84), 189145#(<= ULTIMATE.start_main_~i~5 85), 189150#(<= ULTIMATE.start_main_~i~5 90), 189151#(<= ULTIMATE.start_main_~i~5 91), 189148#(<= ULTIMATE.start_main_~i~5 88), 189149#(<= ULTIMATE.start_main_~i~5 89), 189154#(<= ULTIMATE.start_main_~i~5 94), 189155#(<= ULTIMATE.start_main_~i~5 95), 189152#(<= ULTIMATE.start_main_~i~5 92), 189153#(<= ULTIMATE.start_main_~i~5 93), 189158#(<= ULTIMATE.start_main_~i~5 98), 189159#(<= ULTIMATE.start_main_~i~5 99), 189156#(<= ULTIMATE.start_main_~i~5 96), 189157#(<= ULTIMATE.start_main_~i~5 97), 189162#(<= ULTIMATE.start_main_~i~5 102), 189163#(<= ULTIMATE.start_main_~i~5 103), 189160#(<= ULTIMATE.start_main_~i~5 100), 189161#(<= ULTIMATE.start_main_~i~5 101), 189166#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 189167#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 189164#(<= ULTIMATE.start_main_~i~5 104), 189165#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 189170#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 189171#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 189168#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 189169#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 189174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 189175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 189172#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 189173#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 189178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 189179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 189176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 189177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 189182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 189183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 189180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 189181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 189186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 189187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 189184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 189185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 189190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 189191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 189188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 189189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 189194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 189195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 189192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 189193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 189198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 189199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 189196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 189197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 189202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 189203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 189200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 189201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 189206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 189207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 189204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 189205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 189210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 189211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 189208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 189209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 189214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 189215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 189212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 189213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 189218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 189219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 189216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 189217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 189222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 189223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 189220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 189221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 189226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 189227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 189224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 189225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 189230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 189231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 189228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 189229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 189234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 189235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 189232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 189233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 189238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 189239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 189236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 189237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 189242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 189243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 189240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 189241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 189246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 189247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 189244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 189245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 189250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 189251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 189248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 189249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 189254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 189255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 189252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 189253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 189258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 189259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 189256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 189257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 189262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 189263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 189260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 189261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 189266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 189267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 189264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 189265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 189268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 189269#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:48:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 22050 backedges. 11130 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,618 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:48:29,619 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:48:29,620 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11341, Invalid=33391, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:48:29,621 INFO L87 Difference]: Start difference. First operand 425 states and 426 transitions. Second operand 212 states. [2018-07-23 13:48:31,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:31,329 INFO L93 Difference]: Finished difference Result 641 states and 643 transitions. [2018-07-23 13:48:31,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:48:31,329 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 424 [2018-07-23 13:48:31,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:31,330 INFO L225 Difference]: With dead ends: 641 [2018-07-23 13:48:31,330 INFO L226 Difference]: Without dead ends: 427 [2018-07-23 13:48:31,337 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16276 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27825, Invalid=71715, Unknown=0, NotChecked=0, Total=99540 [2018-07-23 13:48:31,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-07-23 13:48:31,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2018-07-23 13:48:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-07-23 13:48:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 428 transitions. [2018-07-23 13:48:31,370 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 428 transitions. Word has length 424 [2018-07-23 13:48:31,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:31,370 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 428 transitions. [2018-07-23 13:48:31,371 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:48:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 428 transitions. [2018-07-23 13:48:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2018-07-23 13:48:31,372 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:31,372 INFO L357 BasicCegarLoop]: trace histogram [106, 106, 105, 105, 1, 1, 1, 1] [2018-07-23 13:48:31,372 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:31,372 INFO L82 PathProgramCache]: Analyzing trace with hash -720524881, now seen corresponding path program 158 times [2018-07-23 13:48:31,372 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 11130 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:33,095 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:33,095 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:48:33,095 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:33,095 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 13:48:33,096 INFO L185 omatonBuilderFactory]: Interpolants [191614#true, 191615#false, 191618#(<= ULTIMATE.start_main_~i~5 2), 191619#(<= ULTIMATE.start_main_~i~5 3), 191616#(<= ULTIMATE.start_main_~i~5 0), 191617#(<= ULTIMATE.start_main_~i~5 1), 191622#(<= ULTIMATE.start_main_~i~5 6), 191623#(<= ULTIMATE.start_main_~i~5 7), 191620#(<= ULTIMATE.start_main_~i~5 4), 191621#(<= ULTIMATE.start_main_~i~5 5), 191626#(<= ULTIMATE.start_main_~i~5 10), 191627#(<= ULTIMATE.start_main_~i~5 11), 191624#(<= ULTIMATE.start_main_~i~5 8), 191625#(<= ULTIMATE.start_main_~i~5 9), 191630#(<= ULTIMATE.start_main_~i~5 14), 191631#(<= ULTIMATE.start_main_~i~5 15), 191628#(<= ULTIMATE.start_main_~i~5 12), 191629#(<= ULTIMATE.start_main_~i~5 13), 191634#(<= ULTIMATE.start_main_~i~5 18), 191635#(<= ULTIMATE.start_main_~i~5 19), 191632#(<= ULTIMATE.start_main_~i~5 16), 191633#(<= ULTIMATE.start_main_~i~5 17), 191638#(<= ULTIMATE.start_main_~i~5 22), 191639#(<= ULTIMATE.start_main_~i~5 23), 191636#(<= ULTIMATE.start_main_~i~5 20), 191637#(<= ULTIMATE.start_main_~i~5 21), 191642#(<= ULTIMATE.start_main_~i~5 26), 191643#(<= ULTIMATE.start_main_~i~5 27), 191640#(<= ULTIMATE.start_main_~i~5 24), 191641#(<= ULTIMATE.start_main_~i~5 25), 191646#(<= ULTIMATE.start_main_~i~5 30), 191647#(<= ULTIMATE.start_main_~i~5 31), 191644#(<= ULTIMATE.start_main_~i~5 28), 191645#(<= ULTIMATE.start_main_~i~5 29), 191650#(<= ULTIMATE.start_main_~i~5 34), 191651#(<= ULTIMATE.start_main_~i~5 35), 191648#(<= ULTIMATE.start_main_~i~5 32), 191649#(<= ULTIMATE.start_main_~i~5 33), 191654#(<= ULTIMATE.start_main_~i~5 38), 191655#(<= ULTIMATE.start_main_~i~5 39), 191652#(<= ULTIMATE.start_main_~i~5 36), 191653#(<= ULTIMATE.start_main_~i~5 37), 191658#(<= ULTIMATE.start_main_~i~5 42), 191659#(<= ULTIMATE.start_main_~i~5 43), 191656#(<= ULTIMATE.start_main_~i~5 40), 191657#(<= ULTIMATE.start_main_~i~5 41), 191662#(<= ULTIMATE.start_main_~i~5 46), 191663#(<= ULTIMATE.start_main_~i~5 47), 191660#(<= ULTIMATE.start_main_~i~5 44), 191661#(<= ULTIMATE.start_main_~i~5 45), 191666#(<= ULTIMATE.start_main_~i~5 50), 191667#(<= ULTIMATE.start_main_~i~5 51), 191664#(<= ULTIMATE.start_main_~i~5 48), 191665#(<= ULTIMATE.start_main_~i~5 49), 191670#(<= ULTIMATE.start_main_~i~5 54), 191671#(<= ULTIMATE.start_main_~i~5 55), 191668#(<= ULTIMATE.start_main_~i~5 52), 191669#(<= ULTIMATE.start_main_~i~5 53), 191674#(<= ULTIMATE.start_main_~i~5 58), 191675#(<= ULTIMATE.start_main_~i~5 59), 191672#(<= ULTIMATE.start_main_~i~5 56), 191673#(<= ULTIMATE.start_main_~i~5 57), 191678#(<= ULTIMATE.start_main_~i~5 62), 191679#(<= ULTIMATE.start_main_~i~5 63), 191676#(<= ULTIMATE.start_main_~i~5 60), 191677#(<= ULTIMATE.start_main_~i~5 61), 191682#(<= ULTIMATE.start_main_~i~5 66), 191683#(<= ULTIMATE.start_main_~i~5 67), 191680#(<= ULTIMATE.start_main_~i~5 64), 191681#(<= ULTIMATE.start_main_~i~5 65), 191686#(<= ULTIMATE.start_main_~i~5 70), 191687#(<= ULTIMATE.start_main_~i~5 71), 191684#(<= ULTIMATE.start_main_~i~5 68), 191685#(<= ULTIMATE.start_main_~i~5 69), 191690#(<= ULTIMATE.start_main_~i~5 74), 191691#(<= ULTIMATE.start_main_~i~5 75), 191688#(<= ULTIMATE.start_main_~i~5 72), 191689#(<= ULTIMATE.start_main_~i~5 73), 191694#(<= ULTIMATE.start_main_~i~5 78), 191695#(<= ULTIMATE.start_main_~i~5 79), 191692#(<= ULTIMATE.start_main_~i~5 76), 191693#(<= ULTIMATE.start_main_~i~5 77), 191698#(<= ULTIMATE.start_main_~i~5 82), 191699#(<= ULTIMATE.start_main_~i~5 83), 191696#(<= ULTIMATE.start_main_~i~5 80), 191697#(<= ULTIMATE.start_main_~i~5 81), 191702#(<= ULTIMATE.start_main_~i~5 86), 191703#(<= ULTIMATE.start_main_~i~5 87), 191700#(<= ULTIMATE.start_main_~i~5 84), 191701#(<= ULTIMATE.start_main_~i~5 85), 191706#(<= ULTIMATE.start_main_~i~5 90), 191707#(<= ULTIMATE.start_main_~i~5 91), 191704#(<= ULTIMATE.start_main_~i~5 88), 191705#(<= ULTIMATE.start_main_~i~5 89), 191710#(<= ULTIMATE.start_main_~i~5 94), 191711#(<= ULTIMATE.start_main_~i~5 95), 191708#(<= ULTIMATE.start_main_~i~5 92), 191709#(<= ULTIMATE.start_main_~i~5 93), 191714#(<= ULTIMATE.start_main_~i~5 98), 191715#(<= ULTIMATE.start_main_~i~5 99), 191712#(<= ULTIMATE.start_main_~i~5 96), 191713#(<= ULTIMATE.start_main_~i~5 97), 191718#(<= ULTIMATE.start_main_~i~5 102), 191719#(<= ULTIMATE.start_main_~i~5 103), 191716#(<= ULTIMATE.start_main_~i~5 100), 191717#(<= ULTIMATE.start_main_~i~5 101), 191722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 191723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 191720#(<= ULTIMATE.start_main_~i~5 104), 191721#(<= ULTIMATE.start_main_~i~5 105), 191726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 191727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 191724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 191725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 191730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 191731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 191728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 191729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 191734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 191735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 191732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 191733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 191738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 191739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 191736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 191737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 191742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 191743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 191740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 191741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 191746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 191747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 191744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 191745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 191750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 191751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 191748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 191749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 191754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 191755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 191752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 191753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 191758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 191759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 191756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 191757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 191762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 191763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 191760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 191761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 191766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 191767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 191764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 191765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 191770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 191771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 191768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 191769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 191774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 191775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 191772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 191773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 191778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 191779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 191776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 191777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 191782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 191783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 191780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 191781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 191786#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 191787#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 191784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 191785#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 191790#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 191791#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 191788#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 191789#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 191794#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 191795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 191792#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 191793#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 191798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 191799#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 191796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 191797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 191802#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 191803#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 191800#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 191801#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 191806#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 191807#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 191804#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 191805#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 191810#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 191811#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 191808#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 191809#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 191814#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 191815#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 191812#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 191813#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 191818#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 191819#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 191816#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 191817#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 191822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 191823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 191820#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 191821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 191826#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 191824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 191825#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2))] [2018-07-23 13:48:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 22260 backedges. 11130 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:33,097 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:48:33,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:48:33,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11448, Invalid=33708, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:48:33,099 INFO L87 Difference]: Start difference. First operand 427 states and 428 transitions. Second operand 213 states. [2018-07-23 13:48:34,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:34,736 INFO L93 Difference]: Finished difference Result 643 states and 645 transitions. [2018-07-23 13:48:34,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:48:34,736 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 426 [2018-07-23 13:48:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:34,737 INFO L225 Difference]: With dead ends: 643 [2018-07-23 13:48:34,737 INFO L226 Difference]: Without dead ends: 429 [2018-07-23 13:48:34,741 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16381 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28248, Invalid=72558, Unknown=0, NotChecked=0, Total=100806 [2018-07-23 13:48:34,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-07-23 13:48:34,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2018-07-23 13:48:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-07-23 13:48:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 430 transitions. [2018-07-23 13:48:34,776 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 430 transitions. Word has length 426 [2018-07-23 13:48:34,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:34,776 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 430 transitions. [2018-07-23 13:48:34,776 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:48:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 430 transitions. [2018-07-23 13:48:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2018-07-23 13:48:34,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:34,779 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 106, 105, 1, 1, 1, 1] [2018-07-23 13:48:34,779 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:34,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1285826133, now seen corresponding path program 159 times [2018-07-23 13:48:34,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22472 backedges. 11342 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:35,750 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:35,750 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:48:35,750 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:35,750 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 13:48:35,750 INFO L185 omatonBuilderFactory]: Interpolants [194182#false, 194183#(<= 0 ULTIMATE.start_main_~k~5), 194181#true, 194186#(<= 3 ULTIMATE.start_main_~k~5), 194187#(<= 4 ULTIMATE.start_main_~k~5), 194184#(<= 1 ULTIMATE.start_main_~k~5), 194185#(<= 2 ULTIMATE.start_main_~k~5), 194190#(<= 7 ULTIMATE.start_main_~k~5), 194191#(<= 8 ULTIMATE.start_main_~k~5), 194188#(<= 5 ULTIMATE.start_main_~k~5), 194189#(<= 6 ULTIMATE.start_main_~k~5), 194194#(<= 11 ULTIMATE.start_main_~k~5), 194195#(<= 12 ULTIMATE.start_main_~k~5), 194192#(<= 9 ULTIMATE.start_main_~k~5), 194193#(<= 10 ULTIMATE.start_main_~k~5), 194198#(<= 15 ULTIMATE.start_main_~k~5), 194199#(<= 16 ULTIMATE.start_main_~k~5), 194196#(<= 13 ULTIMATE.start_main_~k~5), 194197#(<= 14 ULTIMATE.start_main_~k~5), 194202#(<= 19 ULTIMATE.start_main_~k~5), 194203#(<= 20 ULTIMATE.start_main_~k~5), 194200#(<= 17 ULTIMATE.start_main_~k~5), 194201#(<= 18 ULTIMATE.start_main_~k~5), 194206#(<= 23 ULTIMATE.start_main_~k~5), 194207#(<= 24 ULTIMATE.start_main_~k~5), 194204#(<= 21 ULTIMATE.start_main_~k~5), 194205#(<= 22 ULTIMATE.start_main_~k~5), 194210#(<= 27 ULTIMATE.start_main_~k~5), 194211#(<= 28 ULTIMATE.start_main_~k~5), 194208#(<= 25 ULTIMATE.start_main_~k~5), 194209#(<= 26 ULTIMATE.start_main_~k~5), 194214#(<= 31 ULTIMATE.start_main_~k~5), 194215#(<= 32 ULTIMATE.start_main_~k~5), 194212#(<= 29 ULTIMATE.start_main_~k~5), 194213#(<= 30 ULTIMATE.start_main_~k~5), 194218#(<= 35 ULTIMATE.start_main_~k~5), 194219#(<= 36 ULTIMATE.start_main_~k~5), 194216#(<= 33 ULTIMATE.start_main_~k~5), 194217#(<= 34 ULTIMATE.start_main_~k~5), 194222#(<= 39 ULTIMATE.start_main_~k~5), 194223#(<= 40 ULTIMATE.start_main_~k~5), 194220#(<= 37 ULTIMATE.start_main_~k~5), 194221#(<= 38 ULTIMATE.start_main_~k~5), 194226#(<= 43 ULTIMATE.start_main_~k~5), 194227#(<= 44 ULTIMATE.start_main_~k~5), 194224#(<= 41 ULTIMATE.start_main_~k~5), 194225#(<= 42 ULTIMATE.start_main_~k~5), 194230#(<= 47 ULTIMATE.start_main_~k~5), 194231#(<= 48 ULTIMATE.start_main_~k~5), 194228#(<= 45 ULTIMATE.start_main_~k~5), 194229#(<= 46 ULTIMATE.start_main_~k~5), 194234#(<= 51 ULTIMATE.start_main_~k~5), 194235#(<= 52 ULTIMATE.start_main_~k~5), 194232#(<= 49 ULTIMATE.start_main_~k~5), 194233#(<= 50 ULTIMATE.start_main_~k~5), 194238#(<= 55 ULTIMATE.start_main_~k~5), 194239#(<= 56 ULTIMATE.start_main_~k~5), 194236#(<= 53 ULTIMATE.start_main_~k~5), 194237#(<= 54 ULTIMATE.start_main_~k~5), 194242#(<= 59 ULTIMATE.start_main_~k~5), 194243#(<= 60 ULTIMATE.start_main_~k~5), 194240#(<= 57 ULTIMATE.start_main_~k~5), 194241#(<= 58 ULTIMATE.start_main_~k~5), 194246#(<= 63 ULTIMATE.start_main_~k~5), 194247#(<= 64 ULTIMATE.start_main_~k~5), 194244#(<= 61 ULTIMATE.start_main_~k~5), 194245#(<= 62 ULTIMATE.start_main_~k~5), 194250#(<= 67 ULTIMATE.start_main_~k~5), 194251#(<= 68 ULTIMATE.start_main_~k~5), 194248#(<= 65 ULTIMATE.start_main_~k~5), 194249#(<= 66 ULTIMATE.start_main_~k~5), 194254#(<= 71 ULTIMATE.start_main_~k~5), 194255#(<= 72 ULTIMATE.start_main_~k~5), 194252#(<= 69 ULTIMATE.start_main_~k~5), 194253#(<= 70 ULTIMATE.start_main_~k~5), 194258#(<= 75 ULTIMATE.start_main_~k~5), 194259#(<= 76 ULTIMATE.start_main_~k~5), 194256#(<= 73 ULTIMATE.start_main_~k~5), 194257#(<= 74 ULTIMATE.start_main_~k~5), 194262#(<= 79 ULTIMATE.start_main_~k~5), 194263#(<= 80 ULTIMATE.start_main_~k~5), 194260#(<= 77 ULTIMATE.start_main_~k~5), 194261#(<= 78 ULTIMATE.start_main_~k~5), 194266#(<= 83 ULTIMATE.start_main_~k~5), 194267#(<= 84 ULTIMATE.start_main_~k~5), 194264#(<= 81 ULTIMATE.start_main_~k~5), 194265#(<= 82 ULTIMATE.start_main_~k~5), 194270#(<= 87 ULTIMATE.start_main_~k~5), 194271#(<= 88 ULTIMATE.start_main_~k~5), 194268#(<= 85 ULTIMATE.start_main_~k~5), 194269#(<= 86 ULTIMATE.start_main_~k~5), 194274#(<= 91 ULTIMATE.start_main_~k~5), 194275#(<= 92 ULTIMATE.start_main_~k~5), 194272#(<= 89 ULTIMATE.start_main_~k~5), 194273#(<= 90 ULTIMATE.start_main_~k~5), 194278#(<= 95 ULTIMATE.start_main_~k~5), 194279#(<= 96 ULTIMATE.start_main_~k~5), 194276#(<= 93 ULTIMATE.start_main_~k~5), 194277#(<= 94 ULTIMATE.start_main_~k~5), 194282#(<= 99 ULTIMATE.start_main_~k~5), 194283#(<= 100 ULTIMATE.start_main_~k~5), 194280#(<= 97 ULTIMATE.start_main_~k~5), 194281#(<= 98 ULTIMATE.start_main_~k~5), 194286#(<= 103 ULTIMATE.start_main_~k~5), 194287#(<= 104 ULTIMATE.start_main_~k~5), 194284#(<= 101 ULTIMATE.start_main_~k~5), 194285#(<= 102 ULTIMATE.start_main_~k~5), 194290#(and (<= 106 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 194291#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 194288#(<= 105 ULTIMATE.start_main_~k~5), 194289#(<= 106 ULTIMATE.start_main_~k~5)] [2018-07-23 13:48:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 22472 backedges. 11342 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:35,752 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:48:35,752 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:48:35,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5997, Invalid=6213, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:48:35,752 INFO L87 Difference]: Start difference. First operand 429 states and 430 transitions. Second operand 111 states. [2018-07-23 13:48:36,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:36,277 INFO L93 Difference]: Finished difference Result 435 states and 437 transitions. [2018-07-23 13:48:36,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:48:36,277 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 428 [2018-07-23 13:48:36,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:36,278 INFO L225 Difference]: With dead ends: 435 [2018-07-23 13:48:36,278 INFO L226 Difference]: Without dead ends: 433 [2018-07-23 13:48:36,280 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11449 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17768, Invalid=29538, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:48:36,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-07-23 13:48:36,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2018-07-23 13:48:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-07-23 13:48:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 434 transitions. [2018-07-23 13:48:36,314 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 434 transitions. Word has length 428 [2018-07-23 13:48:36,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:36,315 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 434 transitions. [2018-07-23 13:48:36,315 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:48:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 434 transitions. [2018-07-23 13:48:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-07-23 13:48:36,316 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:36,316 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 107, 106, 1, 1, 1, 1] [2018-07-23 13:48:36,316 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:36,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1942917473, now seen corresponding path program 160 times [2018-07-23 13:48:36,316 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 22898 backedges. 11556 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:37,988 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:37,988 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:48:37,988 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:37,989 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 13:48:37,989 INFO L185 omatonBuilderFactory]: Interpolants [196242#true, 196243#false, 196246#(<= ULTIMATE.start_main_~i~5 2), 196247#(<= ULTIMATE.start_main_~i~5 3), 196244#(<= ULTIMATE.start_main_~i~5 0), 196245#(<= ULTIMATE.start_main_~i~5 1), 196250#(<= ULTIMATE.start_main_~i~5 6), 196251#(<= ULTIMATE.start_main_~i~5 7), 196248#(<= ULTIMATE.start_main_~i~5 4), 196249#(<= ULTIMATE.start_main_~i~5 5), 196254#(<= ULTIMATE.start_main_~i~5 10), 196255#(<= ULTIMATE.start_main_~i~5 11), 196252#(<= ULTIMATE.start_main_~i~5 8), 196253#(<= ULTIMATE.start_main_~i~5 9), 196258#(<= ULTIMATE.start_main_~i~5 14), 196259#(<= ULTIMATE.start_main_~i~5 15), 196256#(<= ULTIMATE.start_main_~i~5 12), 196257#(<= ULTIMATE.start_main_~i~5 13), 196262#(<= ULTIMATE.start_main_~i~5 18), 196263#(<= ULTIMATE.start_main_~i~5 19), 196260#(<= ULTIMATE.start_main_~i~5 16), 196261#(<= ULTIMATE.start_main_~i~5 17), 196266#(<= ULTIMATE.start_main_~i~5 22), 196267#(<= ULTIMATE.start_main_~i~5 23), 196264#(<= ULTIMATE.start_main_~i~5 20), 196265#(<= ULTIMATE.start_main_~i~5 21), 196270#(<= ULTIMATE.start_main_~i~5 26), 196271#(<= ULTIMATE.start_main_~i~5 27), 196268#(<= ULTIMATE.start_main_~i~5 24), 196269#(<= ULTIMATE.start_main_~i~5 25), 196274#(<= ULTIMATE.start_main_~i~5 30), 196275#(<= ULTIMATE.start_main_~i~5 31), 196272#(<= ULTIMATE.start_main_~i~5 28), 196273#(<= ULTIMATE.start_main_~i~5 29), 196278#(<= ULTIMATE.start_main_~i~5 34), 196279#(<= ULTIMATE.start_main_~i~5 35), 196276#(<= ULTIMATE.start_main_~i~5 32), 196277#(<= ULTIMATE.start_main_~i~5 33), 196282#(<= ULTIMATE.start_main_~i~5 38), 196283#(<= ULTIMATE.start_main_~i~5 39), 196280#(<= ULTIMATE.start_main_~i~5 36), 196281#(<= ULTIMATE.start_main_~i~5 37), 196286#(<= ULTIMATE.start_main_~i~5 42), 196287#(<= ULTIMATE.start_main_~i~5 43), 196284#(<= ULTIMATE.start_main_~i~5 40), 196285#(<= ULTIMATE.start_main_~i~5 41), 196290#(<= ULTIMATE.start_main_~i~5 46), 196291#(<= ULTIMATE.start_main_~i~5 47), 196288#(<= ULTIMATE.start_main_~i~5 44), 196289#(<= ULTIMATE.start_main_~i~5 45), 196294#(<= ULTIMATE.start_main_~i~5 50), 196295#(<= ULTIMATE.start_main_~i~5 51), 196292#(<= ULTIMATE.start_main_~i~5 48), 196293#(<= ULTIMATE.start_main_~i~5 49), 196298#(<= ULTIMATE.start_main_~i~5 54), 196299#(<= ULTIMATE.start_main_~i~5 55), 196296#(<= ULTIMATE.start_main_~i~5 52), 196297#(<= ULTIMATE.start_main_~i~5 53), 196302#(<= ULTIMATE.start_main_~i~5 58), 196303#(<= ULTIMATE.start_main_~i~5 59), 196300#(<= ULTIMATE.start_main_~i~5 56), 196301#(<= ULTIMATE.start_main_~i~5 57), 196306#(<= ULTIMATE.start_main_~i~5 62), 196307#(<= ULTIMATE.start_main_~i~5 63), 196304#(<= ULTIMATE.start_main_~i~5 60), 196305#(<= ULTIMATE.start_main_~i~5 61), 196310#(<= ULTIMATE.start_main_~i~5 66), 196311#(<= ULTIMATE.start_main_~i~5 67), 196308#(<= ULTIMATE.start_main_~i~5 64), 196309#(<= ULTIMATE.start_main_~i~5 65), 196314#(<= ULTIMATE.start_main_~i~5 70), 196315#(<= ULTIMATE.start_main_~i~5 71), 196312#(<= ULTIMATE.start_main_~i~5 68), 196313#(<= ULTIMATE.start_main_~i~5 69), 196318#(<= ULTIMATE.start_main_~i~5 74), 196319#(<= ULTIMATE.start_main_~i~5 75), 196316#(<= ULTIMATE.start_main_~i~5 72), 196317#(<= ULTIMATE.start_main_~i~5 73), 196322#(<= ULTIMATE.start_main_~i~5 78), 196323#(<= ULTIMATE.start_main_~i~5 79), 196320#(<= ULTIMATE.start_main_~i~5 76), 196321#(<= ULTIMATE.start_main_~i~5 77), 196326#(<= ULTIMATE.start_main_~i~5 82), 196327#(<= ULTIMATE.start_main_~i~5 83), 196324#(<= ULTIMATE.start_main_~i~5 80), 196325#(<= ULTIMATE.start_main_~i~5 81), 196330#(<= ULTIMATE.start_main_~i~5 86), 196331#(<= ULTIMATE.start_main_~i~5 87), 196328#(<= ULTIMATE.start_main_~i~5 84), 196329#(<= ULTIMATE.start_main_~i~5 85), 196334#(<= ULTIMATE.start_main_~i~5 90), 196335#(<= ULTIMATE.start_main_~i~5 91), 196332#(<= ULTIMATE.start_main_~i~5 88), 196333#(<= ULTIMATE.start_main_~i~5 89), 196338#(<= ULTIMATE.start_main_~i~5 94), 196339#(<= ULTIMATE.start_main_~i~5 95), 196336#(<= ULTIMATE.start_main_~i~5 92), 196337#(<= ULTIMATE.start_main_~i~5 93), 196342#(<= ULTIMATE.start_main_~i~5 98), 196343#(<= ULTIMATE.start_main_~i~5 99), 196340#(<= ULTIMATE.start_main_~i~5 96), 196341#(<= ULTIMATE.start_main_~i~5 97), 196346#(<= ULTIMATE.start_main_~i~5 102), 196347#(<= ULTIMATE.start_main_~i~5 103), 196344#(<= ULTIMATE.start_main_~i~5 100), 196345#(<= ULTIMATE.start_main_~i~5 101), 196350#(<= ULTIMATE.start_main_~i~5 106), 196351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 196348#(<= ULTIMATE.start_main_~i~5 104), 196349#(<= ULTIMATE.start_main_~i~5 105), 196354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 196355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 196352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 196353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 196358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 196359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 196356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 196357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 196362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 196363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 196360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 196361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 196366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 196367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 196364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 196365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 196370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 196371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 196368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 196369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 196374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 196375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 196372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 196373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 196378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 196379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 196376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 196377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 196382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 196383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 196380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 196381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 196386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 196387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 196384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 196385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 196390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 196391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 196388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 196389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 196394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 196395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 196392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 196393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 196398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 196399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 196396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 196397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 196402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 196403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 196400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 196401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 196406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 196407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 196404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 196405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 196410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 196411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 196408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 196409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 196414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 196415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 196412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 196413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 196418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 196419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 196416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 196417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 196422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 196423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 196420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 196421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 196426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 196427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 196424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 196425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 196430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 196431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 196428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 196429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 196434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 196435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 196432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 196433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 196438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 196439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 196436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 196437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 196442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 196443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 196440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 196441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 196446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 196447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 196444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 196445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 196450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 196451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 196448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 196449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 196454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 196455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 196452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 196453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 196456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 196457#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5)] [2018-07-23 13:48:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 22898 backedges. 11556 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:37,990 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:48:37,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:48:37,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11771, Invalid=34669, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:48:37,993 INFO L87 Difference]: Start difference. First operand 433 states and 434 transitions. Second operand 216 states. [2018-07-23 13:48:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:39,853 INFO L93 Difference]: Finished difference Result 653 states and 655 transitions. [2018-07-23 13:48:39,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:48:39,853 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 432 [2018-07-23 13:48:39,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:39,854 INFO L225 Difference]: With dead ends: 653 [2018-07-23 13:48:39,854 INFO L226 Difference]: Without dead ends: 435 [2018-07-23 13:48:39,859 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16907 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28890, Invalid=74472, Unknown=0, NotChecked=0, Total=103362 [2018-07-23 13:48:39,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-07-23 13:48:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2018-07-23 13:48:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-07-23 13:48:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 436 transitions. [2018-07-23 13:48:39,894 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 436 transitions. Word has length 432 [2018-07-23 13:48:39,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:39,894 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 436 transitions. [2018-07-23 13:48:39,894 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:48:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 436 transitions. [2018-07-23 13:48:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-07-23 13:48:39,896 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:39,896 INFO L357 BasicCegarLoop]: trace histogram [108, 108, 107, 107, 1, 1, 1, 1] [2018-07-23 13:48:39,896 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:39,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1333965211, now seen corresponding path program 161 times [2018-07-23 13:48:39,896 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 23112 backedges. 11556 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,604 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:41,604 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:48:41,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:41,604 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 13:48:41,605 INFO L185 omatonBuilderFactory]: Interpolants [198847#false, 198846#true, 198851#(<= ULTIMATE.start_main_~i~5 3), 198850#(<= ULTIMATE.start_main_~i~5 2), 198849#(<= ULTIMATE.start_main_~i~5 1), 198848#(<= ULTIMATE.start_main_~i~5 0), 198855#(<= ULTIMATE.start_main_~i~5 7), 198854#(<= ULTIMATE.start_main_~i~5 6), 198853#(<= ULTIMATE.start_main_~i~5 5), 198852#(<= ULTIMATE.start_main_~i~5 4), 198859#(<= ULTIMATE.start_main_~i~5 11), 198858#(<= ULTIMATE.start_main_~i~5 10), 198857#(<= ULTIMATE.start_main_~i~5 9), 198856#(<= ULTIMATE.start_main_~i~5 8), 198863#(<= ULTIMATE.start_main_~i~5 15), 198862#(<= ULTIMATE.start_main_~i~5 14), 198861#(<= ULTIMATE.start_main_~i~5 13), 198860#(<= ULTIMATE.start_main_~i~5 12), 198867#(<= ULTIMATE.start_main_~i~5 19), 198866#(<= ULTIMATE.start_main_~i~5 18), 198865#(<= ULTIMATE.start_main_~i~5 17), 198864#(<= ULTIMATE.start_main_~i~5 16), 198871#(<= ULTIMATE.start_main_~i~5 23), 198870#(<= ULTIMATE.start_main_~i~5 22), 198869#(<= ULTIMATE.start_main_~i~5 21), 198868#(<= ULTIMATE.start_main_~i~5 20), 198875#(<= ULTIMATE.start_main_~i~5 27), 198874#(<= ULTIMATE.start_main_~i~5 26), 198873#(<= ULTIMATE.start_main_~i~5 25), 198872#(<= ULTIMATE.start_main_~i~5 24), 198879#(<= ULTIMATE.start_main_~i~5 31), 198878#(<= ULTIMATE.start_main_~i~5 30), 198877#(<= ULTIMATE.start_main_~i~5 29), 198876#(<= ULTIMATE.start_main_~i~5 28), 198883#(<= ULTIMATE.start_main_~i~5 35), 198882#(<= ULTIMATE.start_main_~i~5 34), 198881#(<= ULTIMATE.start_main_~i~5 33), 198880#(<= ULTIMATE.start_main_~i~5 32), 198887#(<= ULTIMATE.start_main_~i~5 39), 198886#(<= ULTIMATE.start_main_~i~5 38), 198885#(<= ULTIMATE.start_main_~i~5 37), 198884#(<= ULTIMATE.start_main_~i~5 36), 198891#(<= ULTIMATE.start_main_~i~5 43), 198890#(<= ULTIMATE.start_main_~i~5 42), 198889#(<= ULTIMATE.start_main_~i~5 41), 198888#(<= ULTIMATE.start_main_~i~5 40), 198895#(<= ULTIMATE.start_main_~i~5 47), 198894#(<= ULTIMATE.start_main_~i~5 46), 198893#(<= ULTIMATE.start_main_~i~5 45), 198892#(<= ULTIMATE.start_main_~i~5 44), 198899#(<= ULTIMATE.start_main_~i~5 51), 198898#(<= ULTIMATE.start_main_~i~5 50), 198897#(<= ULTIMATE.start_main_~i~5 49), 198896#(<= ULTIMATE.start_main_~i~5 48), 198903#(<= ULTIMATE.start_main_~i~5 55), 198902#(<= ULTIMATE.start_main_~i~5 54), 198901#(<= ULTIMATE.start_main_~i~5 53), 198900#(<= ULTIMATE.start_main_~i~5 52), 198907#(<= ULTIMATE.start_main_~i~5 59), 198906#(<= ULTIMATE.start_main_~i~5 58), 198905#(<= ULTIMATE.start_main_~i~5 57), 198904#(<= ULTIMATE.start_main_~i~5 56), 198911#(<= ULTIMATE.start_main_~i~5 63), 198910#(<= ULTIMATE.start_main_~i~5 62), 198909#(<= ULTIMATE.start_main_~i~5 61), 198908#(<= ULTIMATE.start_main_~i~5 60), 198915#(<= ULTIMATE.start_main_~i~5 67), 198914#(<= ULTIMATE.start_main_~i~5 66), 198913#(<= ULTIMATE.start_main_~i~5 65), 198912#(<= ULTIMATE.start_main_~i~5 64), 198919#(<= ULTIMATE.start_main_~i~5 71), 198918#(<= ULTIMATE.start_main_~i~5 70), 198917#(<= ULTIMATE.start_main_~i~5 69), 198916#(<= ULTIMATE.start_main_~i~5 68), 198923#(<= ULTIMATE.start_main_~i~5 75), 198922#(<= ULTIMATE.start_main_~i~5 74), 198921#(<= ULTIMATE.start_main_~i~5 73), 198920#(<= ULTIMATE.start_main_~i~5 72), 198927#(<= ULTIMATE.start_main_~i~5 79), 198926#(<= ULTIMATE.start_main_~i~5 78), 198925#(<= ULTIMATE.start_main_~i~5 77), 198924#(<= ULTIMATE.start_main_~i~5 76), 198931#(<= ULTIMATE.start_main_~i~5 83), 198930#(<= ULTIMATE.start_main_~i~5 82), 198929#(<= ULTIMATE.start_main_~i~5 81), 198928#(<= ULTIMATE.start_main_~i~5 80), 198935#(<= ULTIMATE.start_main_~i~5 87), 198934#(<= ULTIMATE.start_main_~i~5 86), 198933#(<= ULTIMATE.start_main_~i~5 85), 198932#(<= ULTIMATE.start_main_~i~5 84), 198939#(<= ULTIMATE.start_main_~i~5 91), 198938#(<= ULTIMATE.start_main_~i~5 90), 198937#(<= ULTIMATE.start_main_~i~5 89), 198936#(<= ULTIMATE.start_main_~i~5 88), 198943#(<= ULTIMATE.start_main_~i~5 95), 198942#(<= ULTIMATE.start_main_~i~5 94), 198941#(<= ULTIMATE.start_main_~i~5 93), 198940#(<= ULTIMATE.start_main_~i~5 92), 198947#(<= ULTIMATE.start_main_~i~5 99), 198946#(<= ULTIMATE.start_main_~i~5 98), 198945#(<= ULTIMATE.start_main_~i~5 97), 198944#(<= ULTIMATE.start_main_~i~5 96), 198951#(<= ULTIMATE.start_main_~i~5 103), 198950#(<= ULTIMATE.start_main_~i~5 102), 198949#(<= ULTIMATE.start_main_~i~5 101), 198948#(<= ULTIMATE.start_main_~i~5 100), 198955#(<= ULTIMATE.start_main_~i~5 107), 198954#(<= ULTIMATE.start_main_~i~5 106), 198953#(<= ULTIMATE.start_main_~i~5 105), 198952#(<= ULTIMATE.start_main_~i~5 104), 198959#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 198958#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 198957#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 198956#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 198963#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 198962#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 198961#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 198960#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 198967#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 198966#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 198965#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 198964#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 198971#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 198970#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 198969#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 198968#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 198975#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 198974#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 198973#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 198972#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 198979#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 198978#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 198977#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 198976#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 198983#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 198982#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 198981#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 198980#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 198987#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 198986#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 198985#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 198984#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 198991#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 198990#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 198989#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 198988#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 198995#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 198994#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 198993#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 198992#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 198999#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 198998#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 198997#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 198996#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 199003#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 199002#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 199001#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 199000#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 199007#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 199006#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 199005#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 199004#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 199011#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 199010#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 199009#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 199008#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 199015#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 199014#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 199013#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 199012#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 199019#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 199018#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 199017#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 199016#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 199023#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 199022#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 199021#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 199020#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 199027#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 199026#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 199025#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 199024#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 199031#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 199030#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 199029#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 199028#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 199035#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 199034#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 199033#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 199032#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 199039#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 199038#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 199037#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 199036#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 199043#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 199042#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 199041#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 199040#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 199047#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 199046#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 199045#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 199044#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 199051#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 199050#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 199049#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 199048#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 199055#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 199054#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 199053#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 199052#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 199059#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 199058#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 199057#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 199056#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 199062#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 199061#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 199060#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3))] [2018-07-23 13:48:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 23112 backedges. 11556 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,606 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:48:41,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:48:41,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11880, Invalid=34992, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:48:41,609 INFO L87 Difference]: Start difference. First operand 435 states and 436 transitions. Second operand 217 states. [2018-07-23 13:48:43,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:43,125 INFO L93 Difference]: Finished difference Result 655 states and 657 transitions. [2018-07-23 13:48:43,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:48:43,125 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 434 [2018-07-23 13:48:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:43,126 INFO L225 Difference]: With dead ends: 655 [2018-07-23 13:48:43,126 INFO L226 Difference]: Without dead ends: 437 [2018-07-23 13:48:43,132 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17014 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=29321, Invalid=75331, Unknown=0, NotChecked=0, Total=104652 [2018-07-23 13:48:43,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-07-23 13:48:43,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2018-07-23 13:48:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-07-23 13:48:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 438 transitions. [2018-07-23 13:48:43,172 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 438 transitions. Word has length 434 [2018-07-23 13:48:43,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:43,173 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 438 transitions. [2018-07-23 13:48:43,173 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:48:43,173 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 438 transitions. [2018-07-23 13:48:43,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2018-07-23 13:48:43,174 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:43,174 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 108, 107, 1, 1, 1, 1] [2018-07-23 13:48:43,175 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:43,175 INFO L82 PathProgramCache]: Analyzing trace with hash -2087770729, now seen corresponding path program 162 times [2018-07-23 13:48:43,175 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 23328 backedges. 11772 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,369 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:44,369 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:48:44,369 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:44,369 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 13:48:44,370 INFO L185 omatonBuilderFactory]: Interpolants [201475#(<= 12 ULTIMATE.start_main_~k~5), 201474#(<= 11 ULTIMATE.start_main_~k~5), 201473#(<= 10 ULTIMATE.start_main_~k~5), 201472#(<= 9 ULTIMATE.start_main_~k~5), 201479#(<= 16 ULTIMATE.start_main_~k~5), 201478#(<= 15 ULTIMATE.start_main_~k~5), 201477#(<= 14 ULTIMATE.start_main_~k~5), 201476#(<= 13 ULTIMATE.start_main_~k~5), 201483#(<= 20 ULTIMATE.start_main_~k~5), 201482#(<= 19 ULTIMATE.start_main_~k~5), 201481#(<= 18 ULTIMATE.start_main_~k~5), 201480#(<= 17 ULTIMATE.start_main_~k~5), 201487#(<= 24 ULTIMATE.start_main_~k~5), 201486#(<= 23 ULTIMATE.start_main_~k~5), 201485#(<= 22 ULTIMATE.start_main_~k~5), 201484#(<= 21 ULTIMATE.start_main_~k~5), 201491#(<= 28 ULTIMATE.start_main_~k~5), 201490#(<= 27 ULTIMATE.start_main_~k~5), 201489#(<= 26 ULTIMATE.start_main_~k~5), 201488#(<= 25 ULTIMATE.start_main_~k~5), 201495#(<= 32 ULTIMATE.start_main_~k~5), 201494#(<= 31 ULTIMATE.start_main_~k~5), 201493#(<= 30 ULTIMATE.start_main_~k~5), 201492#(<= 29 ULTIMATE.start_main_~k~5), 201499#(<= 36 ULTIMATE.start_main_~k~5), 201498#(<= 35 ULTIMATE.start_main_~k~5), 201497#(<= 34 ULTIMATE.start_main_~k~5), 201496#(<= 33 ULTIMATE.start_main_~k~5), 201503#(<= 40 ULTIMATE.start_main_~k~5), 201502#(<= 39 ULTIMATE.start_main_~k~5), 201501#(<= 38 ULTIMATE.start_main_~k~5), 201500#(<= 37 ULTIMATE.start_main_~k~5), 201507#(<= 44 ULTIMATE.start_main_~k~5), 201506#(<= 43 ULTIMATE.start_main_~k~5), 201505#(<= 42 ULTIMATE.start_main_~k~5), 201504#(<= 41 ULTIMATE.start_main_~k~5), 201511#(<= 48 ULTIMATE.start_main_~k~5), 201510#(<= 47 ULTIMATE.start_main_~k~5), 201509#(<= 46 ULTIMATE.start_main_~k~5), 201508#(<= 45 ULTIMATE.start_main_~k~5), 201515#(<= 52 ULTIMATE.start_main_~k~5), 201514#(<= 51 ULTIMATE.start_main_~k~5), 201513#(<= 50 ULTIMATE.start_main_~k~5), 201512#(<= 49 ULTIMATE.start_main_~k~5), 201519#(<= 56 ULTIMATE.start_main_~k~5), 201518#(<= 55 ULTIMATE.start_main_~k~5), 201517#(<= 54 ULTIMATE.start_main_~k~5), 201516#(<= 53 ULTIMATE.start_main_~k~5), 201523#(<= 60 ULTIMATE.start_main_~k~5), 201522#(<= 59 ULTIMATE.start_main_~k~5), 201521#(<= 58 ULTIMATE.start_main_~k~5), 201520#(<= 57 ULTIMATE.start_main_~k~5), 201527#(<= 64 ULTIMATE.start_main_~k~5), 201526#(<= 63 ULTIMATE.start_main_~k~5), 201525#(<= 62 ULTIMATE.start_main_~k~5), 201524#(<= 61 ULTIMATE.start_main_~k~5), 201531#(<= 68 ULTIMATE.start_main_~k~5), 201530#(<= 67 ULTIMATE.start_main_~k~5), 201529#(<= 66 ULTIMATE.start_main_~k~5), 201528#(<= 65 ULTIMATE.start_main_~k~5), 201535#(<= 72 ULTIMATE.start_main_~k~5), 201534#(<= 71 ULTIMATE.start_main_~k~5), 201533#(<= 70 ULTIMATE.start_main_~k~5), 201532#(<= 69 ULTIMATE.start_main_~k~5), 201539#(<= 76 ULTIMATE.start_main_~k~5), 201538#(<= 75 ULTIMATE.start_main_~k~5), 201537#(<= 74 ULTIMATE.start_main_~k~5), 201536#(<= 73 ULTIMATE.start_main_~k~5), 201543#(<= 80 ULTIMATE.start_main_~k~5), 201542#(<= 79 ULTIMATE.start_main_~k~5), 201541#(<= 78 ULTIMATE.start_main_~k~5), 201540#(<= 77 ULTIMATE.start_main_~k~5), 201547#(<= 84 ULTIMATE.start_main_~k~5), 201546#(<= 83 ULTIMATE.start_main_~k~5), 201545#(<= 82 ULTIMATE.start_main_~k~5), 201544#(<= 81 ULTIMATE.start_main_~k~5), 201551#(<= 88 ULTIMATE.start_main_~k~5), 201550#(<= 87 ULTIMATE.start_main_~k~5), 201549#(<= 86 ULTIMATE.start_main_~k~5), 201548#(<= 85 ULTIMATE.start_main_~k~5), 201555#(<= 92 ULTIMATE.start_main_~k~5), 201554#(<= 91 ULTIMATE.start_main_~k~5), 201553#(<= 90 ULTIMATE.start_main_~k~5), 201552#(<= 89 ULTIMATE.start_main_~k~5), 201559#(<= 96 ULTIMATE.start_main_~k~5), 201558#(<= 95 ULTIMATE.start_main_~k~5), 201557#(<= 94 ULTIMATE.start_main_~k~5), 201556#(<= 93 ULTIMATE.start_main_~k~5), 201563#(<= 100 ULTIMATE.start_main_~k~5), 201562#(<= 99 ULTIMATE.start_main_~k~5), 201561#(<= 98 ULTIMATE.start_main_~k~5), 201560#(<= 97 ULTIMATE.start_main_~k~5), 201567#(<= 104 ULTIMATE.start_main_~k~5), 201566#(<= 103 ULTIMATE.start_main_~k~5), 201565#(<= 102 ULTIMATE.start_main_~k~5), 201564#(<= 101 ULTIMATE.start_main_~k~5), 201571#(<= 108 ULTIMATE.start_main_~k~5), 201570#(<= 107 ULTIMATE.start_main_~k~5), 201569#(<= 106 ULTIMATE.start_main_~k~5), 201568#(<= 105 ULTIMATE.start_main_~k~5), 201573#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 201572#(and (<= 108 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 201463#(<= 0 ULTIMATE.start_main_~k~5), 201462#false, 201461#true, 201467#(<= 4 ULTIMATE.start_main_~k~5), 201466#(<= 3 ULTIMATE.start_main_~k~5), 201465#(<= 2 ULTIMATE.start_main_~k~5), 201464#(<= 1 ULTIMATE.start_main_~k~5), 201471#(<= 8 ULTIMATE.start_main_~k~5), 201470#(<= 7 ULTIMATE.start_main_~k~5), 201469#(<= 6 ULTIMATE.start_main_~k~5), 201468#(<= 5 ULTIMATE.start_main_~k~5)] [2018-07-23 13:48:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 23328 backedges. 11772 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,371 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:48:44,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:48:44,372 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6218, Invalid=6438, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:48:44,372 INFO L87 Difference]: Start difference. First operand 437 states and 438 transitions. Second operand 113 states. [2018-07-23 13:48:45,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:45,005 INFO L93 Difference]: Finished difference Result 443 states and 445 transitions. [2018-07-23 13:48:45,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:48:45,005 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 436 [2018-07-23 13:48:45,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:45,006 INFO L225 Difference]: With dead ends: 443 [2018-07-23 13:48:45,006 INFO L226 Difference]: Without dead ends: 441 [2018-07-23 13:48:45,008 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11881 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18427, Invalid=30635, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:48:45,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-07-23 13:48:45,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2018-07-23 13:48:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-07-23 13:48:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 442 transitions. [2018-07-23 13:48:45,046 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 442 transitions. Word has length 436 [2018-07-23 13:48:45,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:45,047 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 442 transitions. [2018-07-23 13:48:45,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:48:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 442 transitions. [2018-07-23 13:48:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2018-07-23 13:48:45,048 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:45,048 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 109, 108, 1, 1, 1, 1] [2018-07-23 13:48:45,048 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:45,048 INFO L82 PathProgramCache]: Analyzing trace with hash 952427659, now seen corresponding path program 163 times [2018-07-23 13:48:45,049 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 23762 backedges. 11990 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:46,947 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:46,948 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:48:46,948 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:46,948 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 13:48:46,949 INFO L185 omatonBuilderFactory]: Interpolants [203779#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 203778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 203777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 203776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 203563#(<= ULTIMATE.start_main_~i~5 1), 203562#(<= ULTIMATE.start_main_~i~5 0), 203561#false, 203560#true, 203567#(<= ULTIMATE.start_main_~i~5 5), 203566#(<= ULTIMATE.start_main_~i~5 4), 203565#(<= ULTIMATE.start_main_~i~5 3), 203564#(<= ULTIMATE.start_main_~i~5 2), 203571#(<= ULTIMATE.start_main_~i~5 9), 203570#(<= ULTIMATE.start_main_~i~5 8), 203569#(<= ULTIMATE.start_main_~i~5 7), 203568#(<= ULTIMATE.start_main_~i~5 6), 203575#(<= ULTIMATE.start_main_~i~5 13), 203574#(<= ULTIMATE.start_main_~i~5 12), 203573#(<= ULTIMATE.start_main_~i~5 11), 203572#(<= ULTIMATE.start_main_~i~5 10), 203579#(<= ULTIMATE.start_main_~i~5 17), 203578#(<= ULTIMATE.start_main_~i~5 16), 203577#(<= ULTIMATE.start_main_~i~5 15), 203576#(<= ULTIMATE.start_main_~i~5 14), 203583#(<= ULTIMATE.start_main_~i~5 21), 203582#(<= ULTIMATE.start_main_~i~5 20), 203581#(<= ULTIMATE.start_main_~i~5 19), 203580#(<= ULTIMATE.start_main_~i~5 18), 203587#(<= ULTIMATE.start_main_~i~5 25), 203586#(<= ULTIMATE.start_main_~i~5 24), 203585#(<= ULTIMATE.start_main_~i~5 23), 203584#(<= ULTIMATE.start_main_~i~5 22), 203591#(<= ULTIMATE.start_main_~i~5 29), 203590#(<= ULTIMATE.start_main_~i~5 28), 203589#(<= ULTIMATE.start_main_~i~5 27), 203588#(<= ULTIMATE.start_main_~i~5 26), 203595#(<= ULTIMATE.start_main_~i~5 33), 203594#(<= ULTIMATE.start_main_~i~5 32), 203593#(<= ULTIMATE.start_main_~i~5 31), 203592#(<= ULTIMATE.start_main_~i~5 30), 203599#(<= ULTIMATE.start_main_~i~5 37), 203598#(<= ULTIMATE.start_main_~i~5 36), 203597#(<= ULTIMATE.start_main_~i~5 35), 203596#(<= ULTIMATE.start_main_~i~5 34), 203603#(<= ULTIMATE.start_main_~i~5 41), 203602#(<= ULTIMATE.start_main_~i~5 40), 203601#(<= ULTIMATE.start_main_~i~5 39), 203600#(<= ULTIMATE.start_main_~i~5 38), 203607#(<= ULTIMATE.start_main_~i~5 45), 203606#(<= ULTIMATE.start_main_~i~5 44), 203605#(<= ULTIMATE.start_main_~i~5 43), 203604#(<= ULTIMATE.start_main_~i~5 42), 203611#(<= ULTIMATE.start_main_~i~5 49), 203610#(<= ULTIMATE.start_main_~i~5 48), 203609#(<= ULTIMATE.start_main_~i~5 47), 203608#(<= ULTIMATE.start_main_~i~5 46), 203615#(<= ULTIMATE.start_main_~i~5 53), 203614#(<= ULTIMATE.start_main_~i~5 52), 203613#(<= ULTIMATE.start_main_~i~5 51), 203612#(<= ULTIMATE.start_main_~i~5 50), 203619#(<= ULTIMATE.start_main_~i~5 57), 203618#(<= ULTIMATE.start_main_~i~5 56), 203617#(<= ULTIMATE.start_main_~i~5 55), 203616#(<= ULTIMATE.start_main_~i~5 54), 203623#(<= ULTIMATE.start_main_~i~5 61), 203622#(<= ULTIMATE.start_main_~i~5 60), 203621#(<= ULTIMATE.start_main_~i~5 59), 203620#(<= ULTIMATE.start_main_~i~5 58), 203627#(<= ULTIMATE.start_main_~i~5 65), 203626#(<= ULTIMATE.start_main_~i~5 64), 203625#(<= ULTIMATE.start_main_~i~5 63), 203624#(<= ULTIMATE.start_main_~i~5 62), 203631#(<= ULTIMATE.start_main_~i~5 69), 203630#(<= ULTIMATE.start_main_~i~5 68), 203629#(<= ULTIMATE.start_main_~i~5 67), 203628#(<= ULTIMATE.start_main_~i~5 66), 203635#(<= ULTIMATE.start_main_~i~5 73), 203634#(<= ULTIMATE.start_main_~i~5 72), 203633#(<= ULTIMATE.start_main_~i~5 71), 203632#(<= ULTIMATE.start_main_~i~5 70), 203639#(<= ULTIMATE.start_main_~i~5 77), 203638#(<= ULTIMATE.start_main_~i~5 76), 203637#(<= ULTIMATE.start_main_~i~5 75), 203636#(<= ULTIMATE.start_main_~i~5 74), 203643#(<= ULTIMATE.start_main_~i~5 81), 203642#(<= ULTIMATE.start_main_~i~5 80), 203641#(<= ULTIMATE.start_main_~i~5 79), 203640#(<= ULTIMATE.start_main_~i~5 78), 203647#(<= ULTIMATE.start_main_~i~5 85), 203646#(<= ULTIMATE.start_main_~i~5 84), 203645#(<= ULTIMATE.start_main_~i~5 83), 203644#(<= ULTIMATE.start_main_~i~5 82), 203651#(<= ULTIMATE.start_main_~i~5 89), 203650#(<= ULTIMATE.start_main_~i~5 88), 203649#(<= ULTIMATE.start_main_~i~5 87), 203648#(<= ULTIMATE.start_main_~i~5 86), 203655#(<= ULTIMATE.start_main_~i~5 93), 203654#(<= ULTIMATE.start_main_~i~5 92), 203653#(<= ULTIMATE.start_main_~i~5 91), 203652#(<= ULTIMATE.start_main_~i~5 90), 203659#(<= ULTIMATE.start_main_~i~5 97), 203658#(<= ULTIMATE.start_main_~i~5 96), 203657#(<= ULTIMATE.start_main_~i~5 95), 203656#(<= ULTIMATE.start_main_~i~5 94), 203663#(<= ULTIMATE.start_main_~i~5 101), 203662#(<= ULTIMATE.start_main_~i~5 100), 203661#(<= ULTIMATE.start_main_~i~5 99), 203660#(<= ULTIMATE.start_main_~i~5 98), 203667#(<= ULTIMATE.start_main_~i~5 105), 203666#(<= ULTIMATE.start_main_~i~5 104), 203665#(<= ULTIMATE.start_main_~i~5 103), 203664#(<= ULTIMATE.start_main_~i~5 102), 203671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 203670#(<= ULTIMATE.start_main_~i~5 108), 203669#(<= ULTIMATE.start_main_~i~5 107), 203668#(<= ULTIMATE.start_main_~i~5 106), 203675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 203674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 203673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 203672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 203679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 203678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 203677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 203676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 203683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 203682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 203681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 203680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 203687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 203686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 203685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 203684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 203691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 203690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 203689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 203688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 203695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 203694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 203693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 203692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 203699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 203698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 203697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 203696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 203703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 203702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 203701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 203700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 203707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 203706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 203705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 203704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 203711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 203710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 203709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 203708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 203715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 203714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 203713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 203712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 203719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 203718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 203717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 203716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 203723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 203722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 203721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 203720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 203727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 203726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 203725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 203724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 203731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 203730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 203729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 203728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 203735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 203734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 203733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 203732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 203739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 203738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 203737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 203736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 203743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 203742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 203741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 203740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 203747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 203746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 203745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 203744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 203751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 203750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 203749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 203748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 203755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 203754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 203753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 203752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 203759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 203758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 203757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 203756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 203763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 203762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 203761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 203760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 203767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 203766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 203765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 203764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 203771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 203770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 203769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 203768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 203775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 203774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 203773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 203772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7))] [2018-07-23 13:48:46,951 INFO L134 CoverageAnalysis]: Checked inductivity of 23762 backedges. 11990 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:46,951 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:48:46,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:48:46,956 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12209, Invalid=35971, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:48:46,956 INFO L87 Difference]: Start difference. First operand 441 states and 442 transitions. Second operand 220 states. [2018-07-23 13:48:48,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:48,716 INFO L93 Difference]: Finished difference Result 665 states and 667 transitions. [2018-07-23 13:48:48,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:48:48,716 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 440 [2018-07-23 13:48:48,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:48,717 INFO L225 Difference]: With dead ends: 665 [2018-07-23 13:48:48,717 INFO L226 Difference]: Without dead ends: 443 [2018-07-23 13:48:48,722 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17550 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=29975, Invalid=77281, Unknown=0, NotChecked=0, Total=107256 [2018-07-23 13:48:48,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-07-23 13:48:48,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2018-07-23 13:48:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-07-23 13:48:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 444 transitions. [2018-07-23 13:48:48,762 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 444 transitions. Word has length 440 [2018-07-23 13:48:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:48,762 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 444 transitions. [2018-07-23 13:48:48,762 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:48:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 444 transitions. [2018-07-23 13:48:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2018-07-23 13:48:48,764 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:48,764 INFO L357 BasicCegarLoop]: trace histogram [110, 110, 109, 109, 1, 1, 1, 1] [2018-07-23 13:48:48,764 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:48,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1290703993, now seen corresponding path program 164 times [2018-07-23 13:48:48,764 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 11990 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:50,486 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:50,486 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [220] total 220 [2018-07-23 13:48:50,487 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:50,487 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 13:48:50,487 INFO L185 omatonBuilderFactory]: Interpolants [206339#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 206338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 206337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 206336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 206343#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 206342#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 206341#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 206340#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 206347#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 206346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 206345#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 206344#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 206351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 206350#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 206349#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 206348#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 206355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 206354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 206353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 206352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 206359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 206358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 206357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 206356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 206363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 206362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 206361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 206360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 206367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 206366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 206365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 206364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 206371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 206370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 206369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 206368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 206375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 206374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 206373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 206372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 206379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 206378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 206377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 206376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 206383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 206382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 206381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 206380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 206387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 206386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 206385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 206384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 206391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 206390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 206389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 206388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 206395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 206394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 206393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 206392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 206399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 206398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 206397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 206396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 206403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 206402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 206401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 206400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 206407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 206406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 206405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 206404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 206411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 206410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 206409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 206408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 206415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 206414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 206413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 206412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 206419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 206418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 206417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 206416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 206423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 206422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 206421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 206420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 206427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 206426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 206425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 206424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 206431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 206430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 206429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 206428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 206432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 206215#(<= ULTIMATE.start_main_~i~5 1), 206214#(<= ULTIMATE.start_main_~i~5 0), 206213#false, 206212#true, 206219#(<= ULTIMATE.start_main_~i~5 5), 206218#(<= ULTIMATE.start_main_~i~5 4), 206217#(<= ULTIMATE.start_main_~i~5 3), 206216#(<= ULTIMATE.start_main_~i~5 2), 206223#(<= ULTIMATE.start_main_~i~5 9), 206222#(<= ULTIMATE.start_main_~i~5 8), 206221#(<= ULTIMATE.start_main_~i~5 7), 206220#(<= ULTIMATE.start_main_~i~5 6), 206227#(<= ULTIMATE.start_main_~i~5 13), 206226#(<= ULTIMATE.start_main_~i~5 12), 206225#(<= ULTIMATE.start_main_~i~5 11), 206224#(<= ULTIMATE.start_main_~i~5 10), 206231#(<= ULTIMATE.start_main_~i~5 17), 206230#(<= ULTIMATE.start_main_~i~5 16), 206229#(<= ULTIMATE.start_main_~i~5 15), 206228#(<= ULTIMATE.start_main_~i~5 14), 206235#(<= ULTIMATE.start_main_~i~5 21), 206234#(<= ULTIMATE.start_main_~i~5 20), 206233#(<= ULTIMATE.start_main_~i~5 19), 206232#(<= ULTIMATE.start_main_~i~5 18), 206239#(<= ULTIMATE.start_main_~i~5 25), 206238#(<= ULTIMATE.start_main_~i~5 24), 206237#(<= ULTIMATE.start_main_~i~5 23), 206236#(<= ULTIMATE.start_main_~i~5 22), 206243#(<= ULTIMATE.start_main_~i~5 29), 206242#(<= ULTIMATE.start_main_~i~5 28), 206241#(<= ULTIMATE.start_main_~i~5 27), 206240#(<= ULTIMATE.start_main_~i~5 26), 206247#(<= ULTIMATE.start_main_~i~5 33), 206246#(<= ULTIMATE.start_main_~i~5 32), 206245#(<= ULTIMATE.start_main_~i~5 31), 206244#(<= ULTIMATE.start_main_~i~5 30), 206251#(<= ULTIMATE.start_main_~i~5 37), 206250#(<= ULTIMATE.start_main_~i~5 36), 206249#(<= ULTIMATE.start_main_~i~5 35), 206248#(<= ULTIMATE.start_main_~i~5 34), 206255#(<= ULTIMATE.start_main_~i~5 41), 206254#(<= ULTIMATE.start_main_~i~5 40), 206253#(<= ULTIMATE.start_main_~i~5 39), 206252#(<= ULTIMATE.start_main_~i~5 38), 206259#(<= ULTIMATE.start_main_~i~5 45), 206258#(<= ULTIMATE.start_main_~i~5 44), 206257#(<= ULTIMATE.start_main_~i~5 43), 206256#(<= ULTIMATE.start_main_~i~5 42), 206263#(<= ULTIMATE.start_main_~i~5 49), 206262#(<= ULTIMATE.start_main_~i~5 48), 206261#(<= ULTIMATE.start_main_~i~5 47), 206260#(<= ULTIMATE.start_main_~i~5 46), 206267#(<= ULTIMATE.start_main_~i~5 53), 206266#(<= ULTIMATE.start_main_~i~5 52), 206265#(<= ULTIMATE.start_main_~i~5 51), 206264#(<= ULTIMATE.start_main_~i~5 50), 206271#(<= ULTIMATE.start_main_~i~5 57), 206270#(<= ULTIMATE.start_main_~i~5 56), 206269#(<= ULTIMATE.start_main_~i~5 55), 206268#(<= ULTIMATE.start_main_~i~5 54), 206275#(<= ULTIMATE.start_main_~i~5 61), 206274#(<= ULTIMATE.start_main_~i~5 60), 206273#(<= ULTIMATE.start_main_~i~5 59), 206272#(<= ULTIMATE.start_main_~i~5 58), 206279#(<= ULTIMATE.start_main_~i~5 65), 206278#(<= ULTIMATE.start_main_~i~5 64), 206277#(<= ULTIMATE.start_main_~i~5 63), 206276#(<= ULTIMATE.start_main_~i~5 62), 206283#(<= ULTIMATE.start_main_~i~5 69), 206282#(<= ULTIMATE.start_main_~i~5 68), 206281#(<= ULTIMATE.start_main_~i~5 67), 206280#(<= ULTIMATE.start_main_~i~5 66), 206287#(<= ULTIMATE.start_main_~i~5 73), 206286#(<= ULTIMATE.start_main_~i~5 72), 206285#(<= ULTIMATE.start_main_~i~5 71), 206284#(<= ULTIMATE.start_main_~i~5 70), 206291#(<= ULTIMATE.start_main_~i~5 77), 206290#(<= ULTIMATE.start_main_~i~5 76), 206289#(<= ULTIMATE.start_main_~i~5 75), 206288#(<= ULTIMATE.start_main_~i~5 74), 206295#(<= ULTIMATE.start_main_~i~5 81), 206294#(<= ULTIMATE.start_main_~i~5 80), 206293#(<= ULTIMATE.start_main_~i~5 79), 206292#(<= ULTIMATE.start_main_~i~5 78), 206299#(<= ULTIMATE.start_main_~i~5 85), 206298#(<= ULTIMATE.start_main_~i~5 84), 206297#(<= ULTIMATE.start_main_~i~5 83), 206296#(<= ULTIMATE.start_main_~i~5 82), 206303#(<= ULTIMATE.start_main_~i~5 89), 206302#(<= ULTIMATE.start_main_~i~5 88), 206301#(<= ULTIMATE.start_main_~i~5 87), 206300#(<= ULTIMATE.start_main_~i~5 86), 206307#(<= ULTIMATE.start_main_~i~5 93), 206306#(<= ULTIMATE.start_main_~i~5 92), 206305#(<= ULTIMATE.start_main_~i~5 91), 206304#(<= ULTIMATE.start_main_~i~5 90), 206311#(<= ULTIMATE.start_main_~i~5 97), 206310#(<= ULTIMATE.start_main_~i~5 96), 206309#(<= ULTIMATE.start_main_~i~5 95), 206308#(<= ULTIMATE.start_main_~i~5 94), 206315#(<= ULTIMATE.start_main_~i~5 101), 206314#(<= ULTIMATE.start_main_~i~5 100), 206313#(<= ULTIMATE.start_main_~i~5 99), 206312#(<= ULTIMATE.start_main_~i~5 98), 206319#(<= ULTIMATE.start_main_~i~5 105), 206318#(<= ULTIMATE.start_main_~i~5 104), 206317#(<= ULTIMATE.start_main_~i~5 103), 206316#(<= ULTIMATE.start_main_~i~5 102), 206323#(<= ULTIMATE.start_main_~i~5 109), 206322#(<= ULTIMATE.start_main_~i~5 108), 206321#(<= ULTIMATE.start_main_~i~5 107), 206320#(<= ULTIMATE.start_main_~i~5 106), 206327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 206326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 206325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 206324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 206331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 206330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 206329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 206328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 206335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 206334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 206333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 206332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101))] [2018-07-23 13:48:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 23980 backedges. 11990 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:50,489 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:48:50,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:48:50,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12320, Invalid=36300, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:48:50,494 INFO L87 Difference]: Start difference. First operand 443 states and 444 transitions. Second operand 221 states. [2018-07-23 13:48:52,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:52,302 INFO L93 Difference]: Finished difference Result 667 states and 669 transitions. [2018-07-23 13:48:52,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:48:52,302 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 442 [2018-07-23 13:48:52,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:52,303 INFO L225 Difference]: With dead ends: 667 [2018-07-23 13:48:52,303 INFO L226 Difference]: Without dead ends: 445 [2018-07-23 13:48:52,310 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17659 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=30414, Invalid=78156, Unknown=0, NotChecked=0, Total=108570 [2018-07-23 13:48:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-07-23 13:48:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2018-07-23 13:48:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-07-23 13:48:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 446 transitions. [2018-07-23 13:48:52,346 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 446 transitions. Word has length 442 [2018-07-23 13:48:52,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:52,346 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 446 transitions. [2018-07-23 13:48:52,346 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:48:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 446 transitions. [2018-07-23 13:48:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-07-23 13:48:52,347 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:52,347 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 110, 109, 1, 1, 1, 1] [2018-07-23 13:48:52,348 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:52,348 INFO L82 PathProgramCache]: Analyzing trace with hash -866638973, now seen corresponding path program 165 times [2018-07-23 13:48:52,348 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 24200 backedges. 12210 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:53,579 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:53,579 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:48:53,579 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:53,580 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 13:48:53,580 INFO L185 omatonBuilderFactory]: Interpolants [208899#(<= 22 ULTIMATE.start_main_~k~5), 208898#(<= 21 ULTIMATE.start_main_~k~5), 208897#(<= 20 ULTIMATE.start_main_~k~5), 208896#(<= 19 ULTIMATE.start_main_~k~5), 208903#(<= 26 ULTIMATE.start_main_~k~5), 208902#(<= 25 ULTIMATE.start_main_~k~5), 208901#(<= 24 ULTIMATE.start_main_~k~5), 208900#(<= 23 ULTIMATE.start_main_~k~5), 208907#(<= 30 ULTIMATE.start_main_~k~5), 208906#(<= 29 ULTIMATE.start_main_~k~5), 208905#(<= 28 ULTIMATE.start_main_~k~5), 208904#(<= 27 ULTIMATE.start_main_~k~5), 208911#(<= 34 ULTIMATE.start_main_~k~5), 208910#(<= 33 ULTIMATE.start_main_~k~5), 208909#(<= 32 ULTIMATE.start_main_~k~5), 208908#(<= 31 ULTIMATE.start_main_~k~5), 208915#(<= 38 ULTIMATE.start_main_~k~5), 208914#(<= 37 ULTIMATE.start_main_~k~5), 208913#(<= 36 ULTIMATE.start_main_~k~5), 208912#(<= 35 ULTIMATE.start_main_~k~5), 208919#(<= 42 ULTIMATE.start_main_~k~5), 208918#(<= 41 ULTIMATE.start_main_~k~5), 208917#(<= 40 ULTIMATE.start_main_~k~5), 208916#(<= 39 ULTIMATE.start_main_~k~5), 208923#(<= 46 ULTIMATE.start_main_~k~5), 208922#(<= 45 ULTIMATE.start_main_~k~5), 208921#(<= 44 ULTIMATE.start_main_~k~5), 208920#(<= 43 ULTIMATE.start_main_~k~5), 208927#(<= 50 ULTIMATE.start_main_~k~5), 208926#(<= 49 ULTIMATE.start_main_~k~5), 208925#(<= 48 ULTIMATE.start_main_~k~5), 208924#(<= 47 ULTIMATE.start_main_~k~5), 208931#(<= 54 ULTIMATE.start_main_~k~5), 208930#(<= 53 ULTIMATE.start_main_~k~5), 208929#(<= 52 ULTIMATE.start_main_~k~5), 208928#(<= 51 ULTIMATE.start_main_~k~5), 208935#(<= 58 ULTIMATE.start_main_~k~5), 208934#(<= 57 ULTIMATE.start_main_~k~5), 208933#(<= 56 ULTIMATE.start_main_~k~5), 208932#(<= 55 ULTIMATE.start_main_~k~5), 208939#(<= 62 ULTIMATE.start_main_~k~5), 208938#(<= 61 ULTIMATE.start_main_~k~5), 208937#(<= 60 ULTIMATE.start_main_~k~5), 208936#(<= 59 ULTIMATE.start_main_~k~5), 208943#(<= 66 ULTIMATE.start_main_~k~5), 208942#(<= 65 ULTIMATE.start_main_~k~5), 208941#(<= 64 ULTIMATE.start_main_~k~5), 208940#(<= 63 ULTIMATE.start_main_~k~5), 208947#(<= 70 ULTIMATE.start_main_~k~5), 208946#(<= 69 ULTIMATE.start_main_~k~5), 208945#(<= 68 ULTIMATE.start_main_~k~5), 208944#(<= 67 ULTIMATE.start_main_~k~5), 208951#(<= 74 ULTIMATE.start_main_~k~5), 208950#(<= 73 ULTIMATE.start_main_~k~5), 208949#(<= 72 ULTIMATE.start_main_~k~5), 208948#(<= 71 ULTIMATE.start_main_~k~5), 208955#(<= 78 ULTIMATE.start_main_~k~5), 208954#(<= 77 ULTIMATE.start_main_~k~5), 208953#(<= 76 ULTIMATE.start_main_~k~5), 208952#(<= 75 ULTIMATE.start_main_~k~5), 208959#(<= 82 ULTIMATE.start_main_~k~5), 208958#(<= 81 ULTIMATE.start_main_~k~5), 208957#(<= 80 ULTIMATE.start_main_~k~5), 208956#(<= 79 ULTIMATE.start_main_~k~5), 208963#(<= 86 ULTIMATE.start_main_~k~5), 208962#(<= 85 ULTIMATE.start_main_~k~5), 208961#(<= 84 ULTIMATE.start_main_~k~5), 208960#(<= 83 ULTIMATE.start_main_~k~5), 208967#(<= 90 ULTIMATE.start_main_~k~5), 208966#(<= 89 ULTIMATE.start_main_~k~5), 208965#(<= 88 ULTIMATE.start_main_~k~5), 208964#(<= 87 ULTIMATE.start_main_~k~5), 208971#(<= 94 ULTIMATE.start_main_~k~5), 208970#(<= 93 ULTIMATE.start_main_~k~5), 208969#(<= 92 ULTIMATE.start_main_~k~5), 208968#(<= 91 ULTIMATE.start_main_~k~5), 208975#(<= 98 ULTIMATE.start_main_~k~5), 208974#(<= 97 ULTIMATE.start_main_~k~5), 208973#(<= 96 ULTIMATE.start_main_~k~5), 208972#(<= 95 ULTIMATE.start_main_~k~5), 208979#(<= 102 ULTIMATE.start_main_~k~5), 208978#(<= 101 ULTIMATE.start_main_~k~5), 208977#(<= 100 ULTIMATE.start_main_~k~5), 208976#(<= 99 ULTIMATE.start_main_~k~5), 208983#(<= 106 ULTIMATE.start_main_~k~5), 208982#(<= 105 ULTIMATE.start_main_~k~5), 208981#(<= 104 ULTIMATE.start_main_~k~5), 208980#(<= 103 ULTIMATE.start_main_~k~5), 208987#(<= 110 ULTIMATE.start_main_~k~5), 208986#(<= 109 ULTIMATE.start_main_~k~5), 208985#(<= 108 ULTIMATE.start_main_~k~5), 208984#(<= 107 ULTIMATE.start_main_~k~5), 208989#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 208988#(and (<= 110 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 208875#true, 208879#(<= 2 ULTIMATE.start_main_~k~5), 208878#(<= 1 ULTIMATE.start_main_~k~5), 208877#(<= 0 ULTIMATE.start_main_~k~5), 208876#false, 208883#(<= 6 ULTIMATE.start_main_~k~5), 208882#(<= 5 ULTIMATE.start_main_~k~5), 208881#(<= 4 ULTIMATE.start_main_~k~5), 208880#(<= 3 ULTIMATE.start_main_~k~5), 208887#(<= 10 ULTIMATE.start_main_~k~5), 208886#(<= 9 ULTIMATE.start_main_~k~5), 208885#(<= 8 ULTIMATE.start_main_~k~5), 208884#(<= 7 ULTIMATE.start_main_~k~5), 208891#(<= 14 ULTIMATE.start_main_~k~5), 208890#(<= 13 ULTIMATE.start_main_~k~5), 208889#(<= 12 ULTIMATE.start_main_~k~5), 208888#(<= 11 ULTIMATE.start_main_~k~5), 208895#(<= 18 ULTIMATE.start_main_~k~5), 208894#(<= 17 ULTIMATE.start_main_~k~5), 208893#(<= 16 ULTIMATE.start_main_~k~5), 208892#(<= 15 ULTIMATE.start_main_~k~5)] [2018-07-23 13:48:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 24200 backedges. 12210 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:53,581 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:48:53,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:48:53,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6443, Invalid=6667, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:48:53,582 INFO L87 Difference]: Start difference. First operand 445 states and 446 transitions. Second operand 115 states. [2018-07-23 13:48:54,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:54,162 INFO L93 Difference]: Finished difference Result 451 states and 453 transitions. [2018-07-23 13:48:54,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:48:54,162 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 444 [2018-07-23 13:48:54,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:54,163 INFO L225 Difference]: With dead ends: 451 [2018-07-23 13:48:54,163 INFO L226 Difference]: Without dead ends: 449 [2018-07-23 13:48:54,167 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19098, Invalid=31752, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:48:54,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-07-23 13:48:54,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2018-07-23 13:48:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-07-23 13:48:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 450 transitions. [2018-07-23 13:48:54,206 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 450 transitions. Word has length 444 [2018-07-23 13:48:54,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:54,206 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 450 transitions. [2018-07-23 13:48:54,206 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:48:54,206 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 450 transitions. [2018-07-23 13:48:54,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-07-23 13:48:54,207 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:54,207 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 111, 110, 1, 1, 1, 1] [2018-07-23 13:48:54,208 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:54,208 INFO L82 PathProgramCache]: Analyzing trace with hash -674952073, now seen corresponding path program 166 times [2018-07-23 13:48:54,208 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 24642 backedges. 12432 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:56,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:56,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [223] total 223 [2018-07-23 13:48:56,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:56,167 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 13:48:56,168 INFO L185 omatonBuilderFactory]: Interpolants [211015#(<= ULTIMATE.start_main_~i~5 1), 211014#(<= ULTIMATE.start_main_~i~5 0), 211013#false, 211012#true, 211019#(<= ULTIMATE.start_main_~i~5 5), 211018#(<= ULTIMATE.start_main_~i~5 4), 211017#(<= ULTIMATE.start_main_~i~5 3), 211016#(<= ULTIMATE.start_main_~i~5 2), 211023#(<= ULTIMATE.start_main_~i~5 9), 211022#(<= ULTIMATE.start_main_~i~5 8), 211021#(<= ULTIMATE.start_main_~i~5 7), 211020#(<= ULTIMATE.start_main_~i~5 6), 211027#(<= ULTIMATE.start_main_~i~5 13), 211026#(<= ULTIMATE.start_main_~i~5 12), 211025#(<= ULTIMATE.start_main_~i~5 11), 211024#(<= ULTIMATE.start_main_~i~5 10), 211031#(<= ULTIMATE.start_main_~i~5 17), 211030#(<= ULTIMATE.start_main_~i~5 16), 211029#(<= ULTIMATE.start_main_~i~5 15), 211028#(<= ULTIMATE.start_main_~i~5 14), 211035#(<= ULTIMATE.start_main_~i~5 21), 211034#(<= ULTIMATE.start_main_~i~5 20), 211033#(<= ULTIMATE.start_main_~i~5 19), 211032#(<= ULTIMATE.start_main_~i~5 18), 211039#(<= ULTIMATE.start_main_~i~5 25), 211038#(<= ULTIMATE.start_main_~i~5 24), 211037#(<= ULTIMATE.start_main_~i~5 23), 211036#(<= ULTIMATE.start_main_~i~5 22), 211043#(<= ULTIMATE.start_main_~i~5 29), 211042#(<= ULTIMATE.start_main_~i~5 28), 211041#(<= ULTIMATE.start_main_~i~5 27), 211040#(<= ULTIMATE.start_main_~i~5 26), 211047#(<= ULTIMATE.start_main_~i~5 33), 211046#(<= ULTIMATE.start_main_~i~5 32), 211045#(<= ULTIMATE.start_main_~i~5 31), 211044#(<= ULTIMATE.start_main_~i~5 30), 211051#(<= ULTIMATE.start_main_~i~5 37), 211050#(<= ULTIMATE.start_main_~i~5 36), 211049#(<= ULTIMATE.start_main_~i~5 35), 211048#(<= ULTIMATE.start_main_~i~5 34), 211055#(<= ULTIMATE.start_main_~i~5 41), 211054#(<= ULTIMATE.start_main_~i~5 40), 211053#(<= ULTIMATE.start_main_~i~5 39), 211052#(<= ULTIMATE.start_main_~i~5 38), 211059#(<= ULTIMATE.start_main_~i~5 45), 211058#(<= ULTIMATE.start_main_~i~5 44), 211057#(<= ULTIMATE.start_main_~i~5 43), 211056#(<= ULTIMATE.start_main_~i~5 42), 211063#(<= ULTIMATE.start_main_~i~5 49), 211062#(<= ULTIMATE.start_main_~i~5 48), 211061#(<= ULTIMATE.start_main_~i~5 47), 211060#(<= ULTIMATE.start_main_~i~5 46), 211067#(<= ULTIMATE.start_main_~i~5 53), 211066#(<= ULTIMATE.start_main_~i~5 52), 211065#(<= ULTIMATE.start_main_~i~5 51), 211064#(<= ULTIMATE.start_main_~i~5 50), 211071#(<= ULTIMATE.start_main_~i~5 57), 211070#(<= ULTIMATE.start_main_~i~5 56), 211069#(<= ULTIMATE.start_main_~i~5 55), 211068#(<= ULTIMATE.start_main_~i~5 54), 211075#(<= ULTIMATE.start_main_~i~5 61), 211074#(<= ULTIMATE.start_main_~i~5 60), 211073#(<= ULTIMATE.start_main_~i~5 59), 211072#(<= ULTIMATE.start_main_~i~5 58), 211079#(<= ULTIMATE.start_main_~i~5 65), 211078#(<= ULTIMATE.start_main_~i~5 64), 211077#(<= ULTIMATE.start_main_~i~5 63), 211076#(<= ULTIMATE.start_main_~i~5 62), 211083#(<= ULTIMATE.start_main_~i~5 69), 211082#(<= ULTIMATE.start_main_~i~5 68), 211081#(<= ULTIMATE.start_main_~i~5 67), 211080#(<= ULTIMATE.start_main_~i~5 66), 211087#(<= ULTIMATE.start_main_~i~5 73), 211086#(<= ULTIMATE.start_main_~i~5 72), 211085#(<= ULTIMATE.start_main_~i~5 71), 211084#(<= ULTIMATE.start_main_~i~5 70), 211091#(<= ULTIMATE.start_main_~i~5 77), 211090#(<= ULTIMATE.start_main_~i~5 76), 211089#(<= ULTIMATE.start_main_~i~5 75), 211088#(<= ULTIMATE.start_main_~i~5 74), 211095#(<= ULTIMATE.start_main_~i~5 81), 211094#(<= ULTIMATE.start_main_~i~5 80), 211093#(<= ULTIMATE.start_main_~i~5 79), 211092#(<= ULTIMATE.start_main_~i~5 78), 211099#(<= ULTIMATE.start_main_~i~5 85), 211098#(<= ULTIMATE.start_main_~i~5 84), 211097#(<= ULTIMATE.start_main_~i~5 83), 211096#(<= ULTIMATE.start_main_~i~5 82), 211103#(<= ULTIMATE.start_main_~i~5 89), 211102#(<= ULTIMATE.start_main_~i~5 88), 211101#(<= ULTIMATE.start_main_~i~5 87), 211100#(<= ULTIMATE.start_main_~i~5 86), 211107#(<= ULTIMATE.start_main_~i~5 93), 211106#(<= ULTIMATE.start_main_~i~5 92), 211105#(<= ULTIMATE.start_main_~i~5 91), 211104#(<= ULTIMATE.start_main_~i~5 90), 211111#(<= ULTIMATE.start_main_~i~5 97), 211110#(<= ULTIMATE.start_main_~i~5 96), 211109#(<= ULTIMATE.start_main_~i~5 95), 211108#(<= ULTIMATE.start_main_~i~5 94), 211115#(<= ULTIMATE.start_main_~i~5 101), 211114#(<= ULTIMATE.start_main_~i~5 100), 211113#(<= ULTIMATE.start_main_~i~5 99), 211112#(<= ULTIMATE.start_main_~i~5 98), 211119#(<= ULTIMATE.start_main_~i~5 105), 211118#(<= ULTIMATE.start_main_~i~5 104), 211117#(<= ULTIMATE.start_main_~i~5 103), 211116#(<= ULTIMATE.start_main_~i~5 102), 211123#(<= ULTIMATE.start_main_~i~5 109), 211122#(<= ULTIMATE.start_main_~i~5 108), 211121#(<= ULTIMATE.start_main_~i~5 107), 211120#(<= ULTIMATE.start_main_~i~5 106), 211127#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 211126#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 211125#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 211124#(<= ULTIMATE.start_main_~i~5 110), 211131#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 211130#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 211129#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 211128#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 211135#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 211134#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 211133#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 211132#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 211139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 211138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 211137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 211136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 211143#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 211142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 211141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 211140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 211147#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 211146#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 211145#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 211144#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 211151#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 211150#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 211149#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 211148#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 211155#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 211154#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 211153#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 211152#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 211159#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 211158#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 211157#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 211156#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 211163#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 211162#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 211161#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 211160#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 211167#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 211166#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 211165#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 211164#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 211171#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 211170#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 211169#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 211168#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 211175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 211174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 211173#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 211172#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 211179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 211178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 211177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 211176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 211183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 211182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 211181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 211180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 211187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 211186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 211185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 211184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 211191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 211190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 211189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 211188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 211195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 211194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 211193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 211192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 211199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 211198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 211197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 211196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 211203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 211202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 211201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 211200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 211207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 211206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 211205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 211204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 211211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 211210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 211209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 211208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 211215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 211214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 211213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 211212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 211219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 211218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 211217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 211216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 211223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 211222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 211221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 211220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 211227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 211226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 211225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 211224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 211231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 211230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 211229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 211228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 211235#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 211234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 211233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 211232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3))] [2018-07-23 13:48:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24642 backedges. 12432 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:56,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 224 states [2018-07-23 13:48:56,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2018-07-23 13:48:56,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12655, Invalid=37297, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:48:56,171 INFO L87 Difference]: Start difference. First operand 449 states and 450 transitions. Second operand 224 states. [2018-07-23 13:48:57,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:57,714 INFO L93 Difference]: Finished difference Result 677 states and 679 transitions. [2018-07-23 13:48:57,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2018-07-23 13:48:57,714 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 448 [2018-07-23 13:48:57,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:57,715 INFO L225 Difference]: With dead ends: 677 [2018-07-23 13:48:57,715 INFO L226 Difference]: Without dead ends: 451 [2018-07-23 13:48:57,719 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18205 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=31080, Invalid=80142, Unknown=0, NotChecked=0, Total=111222 [2018-07-23 13:48:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-07-23 13:48:57,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2018-07-23 13:48:57,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-07-23 13:48:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 452 transitions. [2018-07-23 13:48:57,756 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 452 transitions. Word has length 448 [2018-07-23 13:48:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:57,756 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 452 transitions. [2018-07-23 13:48:57,756 INFO L472 AbstractCegarLoop]: Interpolant automaton has 224 states. [2018-07-23 13:48:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 452 transitions. [2018-07-23 13:48:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2018-07-23 13:48:57,757 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:57,757 INFO L357 BasicCegarLoop]: trace histogram [112, 112, 111, 111, 1, 1, 1, 1] [2018-07-23 13:48:57,758 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:57,758 INFO L82 PathProgramCache]: Analyzing trace with hash 193517427, now seen corresponding path program 167 times [2018-07-23 13:48:57,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 24864 backedges. 12432 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:59,661 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:59,661 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [224] total 224 [2018-07-23 13:48:59,661 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:59,662 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 13:48:59,662 INFO L185 omatonBuilderFactory]: Interpolants [213715#(<= ULTIMATE.start_main_~i~5 1), 213714#(<= ULTIMATE.start_main_~i~5 0), 213713#false, 213712#true, 213719#(<= ULTIMATE.start_main_~i~5 5), 213718#(<= ULTIMATE.start_main_~i~5 4), 213717#(<= ULTIMATE.start_main_~i~5 3), 213716#(<= ULTIMATE.start_main_~i~5 2), 213723#(<= ULTIMATE.start_main_~i~5 9), 213722#(<= ULTIMATE.start_main_~i~5 8), 213721#(<= ULTIMATE.start_main_~i~5 7), 213720#(<= ULTIMATE.start_main_~i~5 6), 213727#(<= ULTIMATE.start_main_~i~5 13), 213726#(<= ULTIMATE.start_main_~i~5 12), 213725#(<= ULTIMATE.start_main_~i~5 11), 213724#(<= ULTIMATE.start_main_~i~5 10), 213731#(<= ULTIMATE.start_main_~i~5 17), 213730#(<= ULTIMATE.start_main_~i~5 16), 213729#(<= ULTIMATE.start_main_~i~5 15), 213728#(<= ULTIMATE.start_main_~i~5 14), 213735#(<= ULTIMATE.start_main_~i~5 21), 213734#(<= ULTIMATE.start_main_~i~5 20), 213733#(<= ULTIMATE.start_main_~i~5 19), 213732#(<= ULTIMATE.start_main_~i~5 18), 213739#(<= ULTIMATE.start_main_~i~5 25), 213738#(<= ULTIMATE.start_main_~i~5 24), 213737#(<= ULTIMATE.start_main_~i~5 23), 213736#(<= ULTIMATE.start_main_~i~5 22), 213743#(<= ULTIMATE.start_main_~i~5 29), 213742#(<= ULTIMATE.start_main_~i~5 28), 213741#(<= ULTIMATE.start_main_~i~5 27), 213740#(<= ULTIMATE.start_main_~i~5 26), 213747#(<= ULTIMATE.start_main_~i~5 33), 213746#(<= ULTIMATE.start_main_~i~5 32), 213745#(<= ULTIMATE.start_main_~i~5 31), 213744#(<= ULTIMATE.start_main_~i~5 30), 213751#(<= ULTIMATE.start_main_~i~5 37), 213750#(<= ULTIMATE.start_main_~i~5 36), 213749#(<= ULTIMATE.start_main_~i~5 35), 213748#(<= ULTIMATE.start_main_~i~5 34), 213755#(<= ULTIMATE.start_main_~i~5 41), 213754#(<= ULTIMATE.start_main_~i~5 40), 213753#(<= ULTIMATE.start_main_~i~5 39), 213752#(<= ULTIMATE.start_main_~i~5 38), 213759#(<= ULTIMATE.start_main_~i~5 45), 213758#(<= ULTIMATE.start_main_~i~5 44), 213757#(<= ULTIMATE.start_main_~i~5 43), 213756#(<= ULTIMATE.start_main_~i~5 42), 213763#(<= ULTIMATE.start_main_~i~5 49), 213762#(<= ULTIMATE.start_main_~i~5 48), 213761#(<= ULTIMATE.start_main_~i~5 47), 213760#(<= ULTIMATE.start_main_~i~5 46), 213767#(<= ULTIMATE.start_main_~i~5 53), 213766#(<= ULTIMATE.start_main_~i~5 52), 213765#(<= ULTIMATE.start_main_~i~5 51), 213764#(<= ULTIMATE.start_main_~i~5 50), 213771#(<= ULTIMATE.start_main_~i~5 57), 213770#(<= ULTIMATE.start_main_~i~5 56), 213769#(<= ULTIMATE.start_main_~i~5 55), 213768#(<= ULTIMATE.start_main_~i~5 54), 213775#(<= ULTIMATE.start_main_~i~5 61), 213774#(<= ULTIMATE.start_main_~i~5 60), 213773#(<= ULTIMATE.start_main_~i~5 59), 213772#(<= ULTIMATE.start_main_~i~5 58), 213779#(<= ULTIMATE.start_main_~i~5 65), 213778#(<= ULTIMATE.start_main_~i~5 64), 213777#(<= ULTIMATE.start_main_~i~5 63), 213776#(<= ULTIMATE.start_main_~i~5 62), 213783#(<= ULTIMATE.start_main_~i~5 69), 213782#(<= ULTIMATE.start_main_~i~5 68), 213781#(<= ULTIMATE.start_main_~i~5 67), 213780#(<= ULTIMATE.start_main_~i~5 66), 213787#(<= ULTIMATE.start_main_~i~5 73), 213786#(<= ULTIMATE.start_main_~i~5 72), 213785#(<= ULTIMATE.start_main_~i~5 71), 213784#(<= ULTIMATE.start_main_~i~5 70), 213791#(<= ULTIMATE.start_main_~i~5 77), 213790#(<= ULTIMATE.start_main_~i~5 76), 213789#(<= ULTIMATE.start_main_~i~5 75), 213788#(<= ULTIMATE.start_main_~i~5 74), 213795#(<= ULTIMATE.start_main_~i~5 81), 213794#(<= ULTIMATE.start_main_~i~5 80), 213793#(<= ULTIMATE.start_main_~i~5 79), 213792#(<= ULTIMATE.start_main_~i~5 78), 213799#(<= ULTIMATE.start_main_~i~5 85), 213798#(<= ULTIMATE.start_main_~i~5 84), 213797#(<= ULTIMATE.start_main_~i~5 83), 213796#(<= ULTIMATE.start_main_~i~5 82), 213803#(<= ULTIMATE.start_main_~i~5 89), 213802#(<= ULTIMATE.start_main_~i~5 88), 213801#(<= ULTIMATE.start_main_~i~5 87), 213800#(<= ULTIMATE.start_main_~i~5 86), 213807#(<= ULTIMATE.start_main_~i~5 93), 213806#(<= ULTIMATE.start_main_~i~5 92), 213805#(<= ULTIMATE.start_main_~i~5 91), 213804#(<= ULTIMATE.start_main_~i~5 90), 213811#(<= ULTIMATE.start_main_~i~5 97), 213810#(<= ULTIMATE.start_main_~i~5 96), 213809#(<= ULTIMATE.start_main_~i~5 95), 213808#(<= ULTIMATE.start_main_~i~5 94), 213815#(<= ULTIMATE.start_main_~i~5 101), 213814#(<= ULTIMATE.start_main_~i~5 100), 213813#(<= ULTIMATE.start_main_~i~5 99), 213812#(<= ULTIMATE.start_main_~i~5 98), 213819#(<= ULTIMATE.start_main_~i~5 105), 213818#(<= ULTIMATE.start_main_~i~5 104), 213817#(<= ULTIMATE.start_main_~i~5 103), 213816#(<= ULTIMATE.start_main_~i~5 102), 213823#(<= ULTIMATE.start_main_~i~5 109), 213822#(<= ULTIMATE.start_main_~i~5 108), 213821#(<= ULTIMATE.start_main_~i~5 107), 213820#(<= ULTIMATE.start_main_~i~5 106), 213827#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 213826#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 213825#(<= ULTIMATE.start_main_~i~5 111), 213824#(<= ULTIMATE.start_main_~i~5 110), 213831#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 213830#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 213829#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 213828#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 213835#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 213834#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 213833#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 213832#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 213839#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 213838#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 213837#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 213836#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 213843#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 213842#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 213841#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 213840#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 213847#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 213846#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 213845#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 213844#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 213851#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 213850#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 213849#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 213848#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 213855#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 213854#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 213853#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 213852#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 213859#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 213858#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 213857#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 213856#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 213863#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 213862#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 213861#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 213860#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 213867#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 213866#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 213865#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 213864#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 213871#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 213870#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 213869#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 213868#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 213875#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 213874#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 213873#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 213872#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 213879#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 213878#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 213877#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 213876#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 213883#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 213882#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 213881#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 213880#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 213887#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 213886#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 213885#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 213884#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 213891#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 213890#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 213889#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 213888#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 213895#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 213894#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 213893#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 213892#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 213899#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 213898#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 213897#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 213896#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 213903#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 213902#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 213901#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 213900#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 213907#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 213906#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 213905#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 213904#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 213911#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 213910#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 213909#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 213908#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 213915#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 213914#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 213913#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 213912#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 213919#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 213918#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 213917#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 213916#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 213923#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 213922#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 213921#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 213920#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 213927#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 213926#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 213925#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 213924#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 213931#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 213930#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 213929#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 213928#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 213935#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 213934#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 213933#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 213932#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 213936#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:48:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 24864 backedges. 12432 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:59,663 INFO L450 AbstractCegarLoop]: Interpolant automaton has 225 states [2018-07-23 13:48:59,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2018-07-23 13:48:59,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12768, Invalid=37632, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:48:59,666 INFO L87 Difference]: Start difference. First operand 451 states and 452 transitions. Second operand 225 states. [2018-07-23 13:49:01,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:01,183 INFO L93 Difference]: Finished difference Result 679 states and 681 transitions. [2018-07-23 13:49:01,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:49:01,184 INFO L78 Accepts]: Start accepts. Automaton has 225 states. Word has length 450 [2018-07-23 13:49:01,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:01,184 INFO L225 Difference]: With dead ends: 679 [2018-07-23 13:49:01,184 INFO L226 Difference]: Without dead ends: 453 [2018-07-23 13:49:01,188 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18316 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=31527, Invalid=81033, Unknown=0, NotChecked=0, Total=112560 [2018-07-23 13:49:01,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-07-23 13:49:01,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2018-07-23 13:49:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-07-23 13:49:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 454 transitions. [2018-07-23 13:49:01,225 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 454 transitions. Word has length 450 [2018-07-23 13:49:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:01,225 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 454 transitions. [2018-07-23 13:49:01,225 INFO L472 AbstractCegarLoop]: Interpolant automaton has 225 states. [2018-07-23 13:49:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 454 transitions. [2018-07-23 13:49:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-07-23 13:49:01,227 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:01,227 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 112, 111, 1, 1, 1, 1] [2018-07-23 13:49:01,227 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:01,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1569051503, now seen corresponding path program 168 times [2018-07-23 13:49:01,227 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 25088 backedges. 12656 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:02,362 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:02,363 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:49:02,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:02,363 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 13:49:02,363 INFO L185 omatonBuilderFactory]: Interpolants [216423#true, 216427#(<= 2 ULTIMATE.start_main_~k~5), 216426#(<= 1 ULTIMATE.start_main_~k~5), 216425#(<= 0 ULTIMATE.start_main_~k~5), 216424#false, 216431#(<= 6 ULTIMATE.start_main_~k~5), 216430#(<= 5 ULTIMATE.start_main_~k~5), 216429#(<= 4 ULTIMATE.start_main_~k~5), 216428#(<= 3 ULTIMATE.start_main_~k~5), 216435#(<= 10 ULTIMATE.start_main_~k~5), 216434#(<= 9 ULTIMATE.start_main_~k~5), 216433#(<= 8 ULTIMATE.start_main_~k~5), 216432#(<= 7 ULTIMATE.start_main_~k~5), 216439#(<= 14 ULTIMATE.start_main_~k~5), 216438#(<= 13 ULTIMATE.start_main_~k~5), 216437#(<= 12 ULTIMATE.start_main_~k~5), 216436#(<= 11 ULTIMATE.start_main_~k~5), 216443#(<= 18 ULTIMATE.start_main_~k~5), 216442#(<= 17 ULTIMATE.start_main_~k~5), 216441#(<= 16 ULTIMATE.start_main_~k~5), 216440#(<= 15 ULTIMATE.start_main_~k~5), 216447#(<= 22 ULTIMATE.start_main_~k~5), 216446#(<= 21 ULTIMATE.start_main_~k~5), 216445#(<= 20 ULTIMATE.start_main_~k~5), 216444#(<= 19 ULTIMATE.start_main_~k~5), 216451#(<= 26 ULTIMATE.start_main_~k~5), 216450#(<= 25 ULTIMATE.start_main_~k~5), 216449#(<= 24 ULTIMATE.start_main_~k~5), 216448#(<= 23 ULTIMATE.start_main_~k~5), 216455#(<= 30 ULTIMATE.start_main_~k~5), 216454#(<= 29 ULTIMATE.start_main_~k~5), 216453#(<= 28 ULTIMATE.start_main_~k~5), 216452#(<= 27 ULTIMATE.start_main_~k~5), 216459#(<= 34 ULTIMATE.start_main_~k~5), 216458#(<= 33 ULTIMATE.start_main_~k~5), 216457#(<= 32 ULTIMATE.start_main_~k~5), 216456#(<= 31 ULTIMATE.start_main_~k~5), 216463#(<= 38 ULTIMATE.start_main_~k~5), 216462#(<= 37 ULTIMATE.start_main_~k~5), 216461#(<= 36 ULTIMATE.start_main_~k~5), 216460#(<= 35 ULTIMATE.start_main_~k~5), 216467#(<= 42 ULTIMATE.start_main_~k~5), 216466#(<= 41 ULTIMATE.start_main_~k~5), 216465#(<= 40 ULTIMATE.start_main_~k~5), 216464#(<= 39 ULTIMATE.start_main_~k~5), 216471#(<= 46 ULTIMATE.start_main_~k~5), 216470#(<= 45 ULTIMATE.start_main_~k~5), 216469#(<= 44 ULTIMATE.start_main_~k~5), 216468#(<= 43 ULTIMATE.start_main_~k~5), 216475#(<= 50 ULTIMATE.start_main_~k~5), 216474#(<= 49 ULTIMATE.start_main_~k~5), 216473#(<= 48 ULTIMATE.start_main_~k~5), 216472#(<= 47 ULTIMATE.start_main_~k~5), 216479#(<= 54 ULTIMATE.start_main_~k~5), 216478#(<= 53 ULTIMATE.start_main_~k~5), 216477#(<= 52 ULTIMATE.start_main_~k~5), 216476#(<= 51 ULTIMATE.start_main_~k~5), 216483#(<= 58 ULTIMATE.start_main_~k~5), 216482#(<= 57 ULTIMATE.start_main_~k~5), 216481#(<= 56 ULTIMATE.start_main_~k~5), 216480#(<= 55 ULTIMATE.start_main_~k~5), 216487#(<= 62 ULTIMATE.start_main_~k~5), 216486#(<= 61 ULTIMATE.start_main_~k~5), 216485#(<= 60 ULTIMATE.start_main_~k~5), 216484#(<= 59 ULTIMATE.start_main_~k~5), 216491#(<= 66 ULTIMATE.start_main_~k~5), 216490#(<= 65 ULTIMATE.start_main_~k~5), 216489#(<= 64 ULTIMATE.start_main_~k~5), 216488#(<= 63 ULTIMATE.start_main_~k~5), 216495#(<= 70 ULTIMATE.start_main_~k~5), 216494#(<= 69 ULTIMATE.start_main_~k~5), 216493#(<= 68 ULTIMATE.start_main_~k~5), 216492#(<= 67 ULTIMATE.start_main_~k~5), 216499#(<= 74 ULTIMATE.start_main_~k~5), 216498#(<= 73 ULTIMATE.start_main_~k~5), 216497#(<= 72 ULTIMATE.start_main_~k~5), 216496#(<= 71 ULTIMATE.start_main_~k~5), 216503#(<= 78 ULTIMATE.start_main_~k~5), 216502#(<= 77 ULTIMATE.start_main_~k~5), 216501#(<= 76 ULTIMATE.start_main_~k~5), 216500#(<= 75 ULTIMATE.start_main_~k~5), 216507#(<= 82 ULTIMATE.start_main_~k~5), 216506#(<= 81 ULTIMATE.start_main_~k~5), 216505#(<= 80 ULTIMATE.start_main_~k~5), 216504#(<= 79 ULTIMATE.start_main_~k~5), 216511#(<= 86 ULTIMATE.start_main_~k~5), 216510#(<= 85 ULTIMATE.start_main_~k~5), 216509#(<= 84 ULTIMATE.start_main_~k~5), 216508#(<= 83 ULTIMATE.start_main_~k~5), 216515#(<= 90 ULTIMATE.start_main_~k~5), 216514#(<= 89 ULTIMATE.start_main_~k~5), 216513#(<= 88 ULTIMATE.start_main_~k~5), 216512#(<= 87 ULTIMATE.start_main_~k~5), 216519#(<= 94 ULTIMATE.start_main_~k~5), 216518#(<= 93 ULTIMATE.start_main_~k~5), 216517#(<= 92 ULTIMATE.start_main_~k~5), 216516#(<= 91 ULTIMATE.start_main_~k~5), 216523#(<= 98 ULTIMATE.start_main_~k~5), 216522#(<= 97 ULTIMATE.start_main_~k~5), 216521#(<= 96 ULTIMATE.start_main_~k~5), 216520#(<= 95 ULTIMATE.start_main_~k~5), 216527#(<= 102 ULTIMATE.start_main_~k~5), 216526#(<= 101 ULTIMATE.start_main_~k~5), 216525#(<= 100 ULTIMATE.start_main_~k~5), 216524#(<= 99 ULTIMATE.start_main_~k~5), 216531#(<= 106 ULTIMATE.start_main_~k~5), 216530#(<= 105 ULTIMATE.start_main_~k~5), 216529#(<= 104 ULTIMATE.start_main_~k~5), 216528#(<= 103 ULTIMATE.start_main_~k~5), 216535#(<= 110 ULTIMATE.start_main_~k~5), 216534#(<= 109 ULTIMATE.start_main_~k~5), 216533#(<= 108 ULTIMATE.start_main_~k~5), 216532#(<= 107 ULTIMATE.start_main_~k~5), 216539#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 216538#(and (<= 112 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 216537#(<= 112 ULTIMATE.start_main_~k~5), 216536#(<= 111 ULTIMATE.start_main_~k~5)] [2018-07-23 13:49:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 25088 backedges. 12656 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:02,364 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:49:02,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:49:02,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6672, Invalid=6900, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:49:02,366 INFO L87 Difference]: Start difference. First operand 453 states and 454 transitions. Second operand 117 states. [2018-07-23 13:49:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:02,970 INFO L93 Difference]: Finished difference Result 459 states and 461 transitions. [2018-07-23 13:49:02,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:49:02,971 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 452 [2018-07-23 13:49:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:02,972 INFO L225 Difference]: With dead ends: 459 [2018-07-23 13:49:02,972 INFO L226 Difference]: Without dead ends: 457 [2018-07-23 13:49:02,975 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12769 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19781, Invalid=32889, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:49:02,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-07-23 13:49:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2018-07-23 13:49:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-07-23 13:49:03,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 458 transitions. [2018-07-23 13:49:03,014 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 458 transitions. Word has length 452 [2018-07-23 13:49:03,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:03,015 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 458 transitions. [2018-07-23 13:49:03,015 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:49:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 458 transitions. [2018-07-23 13:49:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2018-07-23 13:49:03,016 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:03,016 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 113, 112, 1, 1, 1, 1] [2018-07-23 13:49:03,016 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:03,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1182734749, now seen corresponding path program 169 times [2018-07-23 13:49:03,016 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25538 backedges. 12882 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:04,953 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:04,953 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [227] total 227 [2018-07-23 13:49:04,954 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:04,954 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 13:49:04,955 INFO L185 omatonBuilderFactory]: Interpolants [218627#(<= ULTIMATE.start_main_~i~5 27), 218626#(<= ULTIMATE.start_main_~i~5 26), 218625#(<= ULTIMATE.start_main_~i~5 25), 218624#(<= ULTIMATE.start_main_~i~5 24), 218631#(<= ULTIMATE.start_main_~i~5 31), 218630#(<= ULTIMATE.start_main_~i~5 30), 218629#(<= ULTIMATE.start_main_~i~5 29), 218628#(<= ULTIMATE.start_main_~i~5 28), 218635#(<= ULTIMATE.start_main_~i~5 35), 218634#(<= ULTIMATE.start_main_~i~5 34), 218633#(<= ULTIMATE.start_main_~i~5 33), 218632#(<= ULTIMATE.start_main_~i~5 32), 218639#(<= ULTIMATE.start_main_~i~5 39), 218638#(<= ULTIMATE.start_main_~i~5 38), 218637#(<= ULTIMATE.start_main_~i~5 37), 218636#(<= ULTIMATE.start_main_~i~5 36), 218643#(<= ULTIMATE.start_main_~i~5 43), 218642#(<= ULTIMATE.start_main_~i~5 42), 218641#(<= ULTIMATE.start_main_~i~5 41), 218640#(<= ULTIMATE.start_main_~i~5 40), 218647#(<= ULTIMATE.start_main_~i~5 47), 218646#(<= ULTIMATE.start_main_~i~5 46), 218645#(<= ULTIMATE.start_main_~i~5 45), 218644#(<= ULTIMATE.start_main_~i~5 44), 218651#(<= ULTIMATE.start_main_~i~5 51), 218650#(<= ULTIMATE.start_main_~i~5 50), 218649#(<= ULTIMATE.start_main_~i~5 49), 218648#(<= ULTIMATE.start_main_~i~5 48), 218655#(<= ULTIMATE.start_main_~i~5 55), 218654#(<= ULTIMATE.start_main_~i~5 54), 218653#(<= ULTIMATE.start_main_~i~5 53), 218652#(<= ULTIMATE.start_main_~i~5 52), 218659#(<= ULTIMATE.start_main_~i~5 59), 218658#(<= ULTIMATE.start_main_~i~5 58), 218657#(<= ULTIMATE.start_main_~i~5 57), 218656#(<= ULTIMATE.start_main_~i~5 56), 218663#(<= ULTIMATE.start_main_~i~5 63), 218662#(<= ULTIMATE.start_main_~i~5 62), 218661#(<= ULTIMATE.start_main_~i~5 61), 218660#(<= ULTIMATE.start_main_~i~5 60), 218667#(<= ULTIMATE.start_main_~i~5 67), 218666#(<= ULTIMATE.start_main_~i~5 66), 218665#(<= ULTIMATE.start_main_~i~5 65), 218664#(<= ULTIMATE.start_main_~i~5 64), 218671#(<= ULTIMATE.start_main_~i~5 71), 218670#(<= ULTIMATE.start_main_~i~5 70), 218669#(<= ULTIMATE.start_main_~i~5 69), 218668#(<= ULTIMATE.start_main_~i~5 68), 218675#(<= ULTIMATE.start_main_~i~5 75), 218674#(<= ULTIMATE.start_main_~i~5 74), 218673#(<= ULTIMATE.start_main_~i~5 73), 218672#(<= ULTIMATE.start_main_~i~5 72), 218679#(<= ULTIMATE.start_main_~i~5 79), 218678#(<= ULTIMATE.start_main_~i~5 78), 218677#(<= ULTIMATE.start_main_~i~5 77), 218676#(<= ULTIMATE.start_main_~i~5 76), 218683#(<= ULTIMATE.start_main_~i~5 83), 218682#(<= ULTIMATE.start_main_~i~5 82), 218681#(<= ULTIMATE.start_main_~i~5 81), 218680#(<= ULTIMATE.start_main_~i~5 80), 218687#(<= ULTIMATE.start_main_~i~5 87), 218686#(<= ULTIMATE.start_main_~i~5 86), 218685#(<= ULTIMATE.start_main_~i~5 85), 218684#(<= ULTIMATE.start_main_~i~5 84), 218691#(<= ULTIMATE.start_main_~i~5 91), 218690#(<= ULTIMATE.start_main_~i~5 90), 218689#(<= ULTIMATE.start_main_~i~5 89), 218688#(<= ULTIMATE.start_main_~i~5 88), 218695#(<= ULTIMATE.start_main_~i~5 95), 218694#(<= ULTIMATE.start_main_~i~5 94), 218693#(<= ULTIMATE.start_main_~i~5 93), 218692#(<= ULTIMATE.start_main_~i~5 92), 218699#(<= ULTIMATE.start_main_~i~5 99), 218698#(<= ULTIMATE.start_main_~i~5 98), 218697#(<= ULTIMATE.start_main_~i~5 97), 218696#(<= ULTIMATE.start_main_~i~5 96), 218703#(<= ULTIMATE.start_main_~i~5 103), 218702#(<= ULTIMATE.start_main_~i~5 102), 218701#(<= ULTIMATE.start_main_~i~5 101), 218700#(<= ULTIMATE.start_main_~i~5 100), 218707#(<= ULTIMATE.start_main_~i~5 107), 218706#(<= ULTIMATE.start_main_~i~5 106), 218705#(<= ULTIMATE.start_main_~i~5 105), 218704#(<= ULTIMATE.start_main_~i~5 104), 218711#(<= ULTIMATE.start_main_~i~5 111), 218710#(<= ULTIMATE.start_main_~i~5 110), 218709#(<= ULTIMATE.start_main_~i~5 109), 218708#(<= ULTIMATE.start_main_~i~5 108), 218715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 218714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 218713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 218712#(<= ULTIMATE.start_main_~i~5 112), 218719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 218718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 218717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 218716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 218723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 218722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 218721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 218720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 218727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 218726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 218725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 218724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 218731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 218730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 218729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 218728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 218735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 218734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 218733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 218732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 218739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 218738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 218737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 218736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 218743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 218742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 218741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 218740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 218747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 218746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 218745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 218744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 218751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 218750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 218749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 218748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 218755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 218754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 218753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 218752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 218759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 218758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 218757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 218756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 218763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 218762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 218761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 218760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 218767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 218766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 218765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 218764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 218771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 218770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 218769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 218768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 218775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 218774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 218773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 218772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 218779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 218778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 218777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 218776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 218783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 218782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 218781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 218780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 218787#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 218786#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 218785#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 218784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 218791#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 218790#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 218789#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 218788#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 218795#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 218794#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 218793#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 218792#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 218799#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 218798#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 218797#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 218796#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 218803#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 218802#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 218801#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 218800#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 218807#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 218806#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 218805#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 218804#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 218811#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 218810#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 218809#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 218808#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 218815#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 218814#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 218813#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 218812#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 218819#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 218818#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 218817#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 218816#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 218823#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 218822#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 218821#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 218820#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 218825#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 218824#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 218599#false, 218598#true, 218603#(<= ULTIMATE.start_main_~i~5 3), 218602#(<= ULTIMATE.start_main_~i~5 2), 218601#(<= ULTIMATE.start_main_~i~5 1), 218600#(<= ULTIMATE.start_main_~i~5 0), 218607#(<= ULTIMATE.start_main_~i~5 7), 218606#(<= ULTIMATE.start_main_~i~5 6), 218605#(<= ULTIMATE.start_main_~i~5 5), 218604#(<= ULTIMATE.start_main_~i~5 4), 218611#(<= ULTIMATE.start_main_~i~5 11), 218610#(<= ULTIMATE.start_main_~i~5 10), 218609#(<= ULTIMATE.start_main_~i~5 9), 218608#(<= ULTIMATE.start_main_~i~5 8), 218615#(<= ULTIMATE.start_main_~i~5 15), 218614#(<= ULTIMATE.start_main_~i~5 14), 218613#(<= ULTIMATE.start_main_~i~5 13), 218612#(<= ULTIMATE.start_main_~i~5 12), 218619#(<= ULTIMATE.start_main_~i~5 19), 218618#(<= ULTIMATE.start_main_~i~5 18), 218617#(<= ULTIMATE.start_main_~i~5 17), 218616#(<= ULTIMATE.start_main_~i~5 16), 218623#(<= ULTIMATE.start_main_~i~5 23), 218622#(<= ULTIMATE.start_main_~i~5 22), 218621#(<= ULTIMATE.start_main_~i~5 21), 218620#(<= ULTIMATE.start_main_~i~5 20)] [2018-07-23 13:49:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 25538 backedges. 12882 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:04,957 INFO L450 AbstractCegarLoop]: Interpolant automaton has 228 states [2018-07-23 13:49:04,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2018-07-23 13:49:04,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13109, Invalid=38647, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:49:04,961 INFO L87 Difference]: Start difference. First operand 457 states and 458 transitions. Second operand 228 states. [2018-07-23 13:49:06,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:06,569 INFO L93 Difference]: Finished difference Result 689 states and 691 transitions. [2018-07-23 13:49:06,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2018-07-23 13:49:06,569 INFO L78 Accepts]: Start accepts. Automaton has 228 states. Word has length 456 [2018-07-23 13:49:06,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:06,570 INFO L225 Difference]: With dead ends: 689 [2018-07-23 13:49:06,570 INFO L226 Difference]: Without dead ends: 459 [2018-07-23 13:49:06,576 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18872 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=32205, Invalid=83055, Unknown=0, NotChecked=0, Total=115260 [2018-07-23 13:49:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-07-23 13:49:06,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2018-07-23 13:49:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-07-23 13:49:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 460 transitions. [2018-07-23 13:49:06,614 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 460 transitions. Word has length 456 [2018-07-23 13:49:06,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:06,614 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 460 transitions. [2018-07-23 13:49:06,614 INFO L472 AbstractCegarLoop]: Interpolant automaton has 228 states. [2018-07-23 13:49:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 460 transitions. [2018-07-23 13:49:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2018-07-23 13:49:06,616 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:06,616 INFO L357 BasicCegarLoop]: trace histogram [114, 114, 113, 113, 1, 1, 1, 1] [2018-07-23 13:49:06,616 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:06,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1832383839, now seen corresponding path program 170 times [2018-07-23 13:49:06,616 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 25764 backedges. 12882 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:08,590 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:08,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [228] total 228 [2018-07-23 13:49:08,591 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:08,591 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 13:49:08,591 INFO L185 omatonBuilderFactory]: Interpolants [221347#false, 221346#true, 221351#(<= ULTIMATE.start_main_~i~5 3), 221350#(<= ULTIMATE.start_main_~i~5 2), 221349#(<= ULTIMATE.start_main_~i~5 1), 221348#(<= ULTIMATE.start_main_~i~5 0), 221355#(<= ULTIMATE.start_main_~i~5 7), 221354#(<= ULTIMATE.start_main_~i~5 6), 221353#(<= ULTIMATE.start_main_~i~5 5), 221352#(<= ULTIMATE.start_main_~i~5 4), 221359#(<= ULTIMATE.start_main_~i~5 11), 221358#(<= ULTIMATE.start_main_~i~5 10), 221357#(<= ULTIMATE.start_main_~i~5 9), 221356#(<= ULTIMATE.start_main_~i~5 8), 221363#(<= ULTIMATE.start_main_~i~5 15), 221362#(<= ULTIMATE.start_main_~i~5 14), 221361#(<= ULTIMATE.start_main_~i~5 13), 221360#(<= ULTIMATE.start_main_~i~5 12), 221367#(<= ULTIMATE.start_main_~i~5 19), 221366#(<= ULTIMATE.start_main_~i~5 18), 221365#(<= ULTIMATE.start_main_~i~5 17), 221364#(<= ULTIMATE.start_main_~i~5 16), 221371#(<= ULTIMATE.start_main_~i~5 23), 221370#(<= ULTIMATE.start_main_~i~5 22), 221369#(<= ULTIMATE.start_main_~i~5 21), 221368#(<= ULTIMATE.start_main_~i~5 20), 221375#(<= ULTIMATE.start_main_~i~5 27), 221374#(<= ULTIMATE.start_main_~i~5 26), 221373#(<= ULTIMATE.start_main_~i~5 25), 221372#(<= ULTIMATE.start_main_~i~5 24), 221379#(<= ULTIMATE.start_main_~i~5 31), 221378#(<= ULTIMATE.start_main_~i~5 30), 221377#(<= ULTIMATE.start_main_~i~5 29), 221376#(<= ULTIMATE.start_main_~i~5 28), 221383#(<= ULTIMATE.start_main_~i~5 35), 221382#(<= ULTIMATE.start_main_~i~5 34), 221381#(<= ULTIMATE.start_main_~i~5 33), 221380#(<= ULTIMATE.start_main_~i~5 32), 221387#(<= ULTIMATE.start_main_~i~5 39), 221386#(<= ULTIMATE.start_main_~i~5 38), 221385#(<= ULTIMATE.start_main_~i~5 37), 221384#(<= ULTIMATE.start_main_~i~5 36), 221391#(<= ULTIMATE.start_main_~i~5 43), 221390#(<= ULTIMATE.start_main_~i~5 42), 221389#(<= ULTIMATE.start_main_~i~5 41), 221388#(<= ULTIMATE.start_main_~i~5 40), 221395#(<= ULTIMATE.start_main_~i~5 47), 221394#(<= ULTIMATE.start_main_~i~5 46), 221393#(<= ULTIMATE.start_main_~i~5 45), 221392#(<= ULTIMATE.start_main_~i~5 44), 221399#(<= ULTIMATE.start_main_~i~5 51), 221398#(<= ULTIMATE.start_main_~i~5 50), 221397#(<= ULTIMATE.start_main_~i~5 49), 221396#(<= ULTIMATE.start_main_~i~5 48), 221403#(<= ULTIMATE.start_main_~i~5 55), 221402#(<= ULTIMATE.start_main_~i~5 54), 221401#(<= ULTIMATE.start_main_~i~5 53), 221400#(<= ULTIMATE.start_main_~i~5 52), 221407#(<= ULTIMATE.start_main_~i~5 59), 221406#(<= ULTIMATE.start_main_~i~5 58), 221405#(<= ULTIMATE.start_main_~i~5 57), 221404#(<= ULTIMATE.start_main_~i~5 56), 221411#(<= ULTIMATE.start_main_~i~5 63), 221410#(<= ULTIMATE.start_main_~i~5 62), 221409#(<= ULTIMATE.start_main_~i~5 61), 221408#(<= ULTIMATE.start_main_~i~5 60), 221415#(<= ULTIMATE.start_main_~i~5 67), 221414#(<= ULTIMATE.start_main_~i~5 66), 221413#(<= ULTIMATE.start_main_~i~5 65), 221412#(<= ULTIMATE.start_main_~i~5 64), 221419#(<= ULTIMATE.start_main_~i~5 71), 221418#(<= ULTIMATE.start_main_~i~5 70), 221417#(<= ULTIMATE.start_main_~i~5 69), 221416#(<= ULTIMATE.start_main_~i~5 68), 221423#(<= ULTIMATE.start_main_~i~5 75), 221422#(<= ULTIMATE.start_main_~i~5 74), 221421#(<= ULTIMATE.start_main_~i~5 73), 221420#(<= ULTIMATE.start_main_~i~5 72), 221427#(<= ULTIMATE.start_main_~i~5 79), 221426#(<= ULTIMATE.start_main_~i~5 78), 221425#(<= ULTIMATE.start_main_~i~5 77), 221424#(<= ULTIMATE.start_main_~i~5 76), 221431#(<= ULTIMATE.start_main_~i~5 83), 221430#(<= ULTIMATE.start_main_~i~5 82), 221429#(<= ULTIMATE.start_main_~i~5 81), 221428#(<= ULTIMATE.start_main_~i~5 80), 221435#(<= ULTIMATE.start_main_~i~5 87), 221434#(<= ULTIMATE.start_main_~i~5 86), 221433#(<= ULTIMATE.start_main_~i~5 85), 221432#(<= ULTIMATE.start_main_~i~5 84), 221439#(<= ULTIMATE.start_main_~i~5 91), 221438#(<= ULTIMATE.start_main_~i~5 90), 221437#(<= ULTIMATE.start_main_~i~5 89), 221436#(<= ULTIMATE.start_main_~i~5 88), 221443#(<= ULTIMATE.start_main_~i~5 95), 221442#(<= ULTIMATE.start_main_~i~5 94), 221441#(<= ULTIMATE.start_main_~i~5 93), 221440#(<= ULTIMATE.start_main_~i~5 92), 221447#(<= ULTIMATE.start_main_~i~5 99), 221446#(<= ULTIMATE.start_main_~i~5 98), 221445#(<= ULTIMATE.start_main_~i~5 97), 221444#(<= ULTIMATE.start_main_~i~5 96), 221451#(<= ULTIMATE.start_main_~i~5 103), 221450#(<= ULTIMATE.start_main_~i~5 102), 221449#(<= ULTIMATE.start_main_~i~5 101), 221448#(<= ULTIMATE.start_main_~i~5 100), 221455#(<= ULTIMATE.start_main_~i~5 107), 221454#(<= ULTIMATE.start_main_~i~5 106), 221453#(<= ULTIMATE.start_main_~i~5 105), 221452#(<= ULTIMATE.start_main_~i~5 104), 221459#(<= ULTIMATE.start_main_~i~5 111), 221458#(<= ULTIMATE.start_main_~i~5 110), 221457#(<= ULTIMATE.start_main_~i~5 109), 221456#(<= ULTIMATE.start_main_~i~5 108), 221463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 221462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 221461#(<= ULTIMATE.start_main_~i~5 113), 221460#(<= ULTIMATE.start_main_~i~5 112), 221467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 221466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 221465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 221464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 221471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 221470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 221469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 221468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 221475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 221474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 221473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 221472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 221479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 221478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 221477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 221476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 221483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 221482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 221481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 221480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 221487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 221486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 221485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 221484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 221491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 221490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 221489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 221488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 221495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 221494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 221493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 221492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 221499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 221498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 221497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 221496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 221503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 221502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 221501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 221500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 221507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 221506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 221505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 221504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 221511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 221510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 221509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 221508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 221515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 221514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 221513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 221512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 221519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 221518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 221517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 221516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 221523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 221522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 221521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 221520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 221527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 221526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 221525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 221524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 221531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 221530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 221529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 221528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 221535#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 221534#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 221533#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 221532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 221539#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 221538#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 221537#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 221536#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 221543#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 221542#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 221541#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 221540#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 221547#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 221546#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 221545#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 221544#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 221551#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 221550#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 221549#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 221548#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 221555#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 221554#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 221553#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 221552#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 221559#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 221558#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 221557#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 221556#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 221563#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 221562#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 221561#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 221560#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 221567#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 221566#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 221565#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 221564#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 221571#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 221570#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 221569#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 221568#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 221574#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 221573#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 221572#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3))] [2018-07-23 13:49:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 25764 backedges. 12882 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:08,592 INFO L450 AbstractCegarLoop]: Interpolant automaton has 229 states [2018-07-23 13:49:08,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2018-07-23 13:49:08,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13224, Invalid=38988, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:49:08,596 INFO L87 Difference]: Start difference. First operand 459 states and 460 transitions. Second operand 229 states. [2018-07-23 13:49:10,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:10,288 INFO L93 Difference]: Finished difference Result 691 states and 693 transitions. [2018-07-23 13:49:10,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:49:10,288 INFO L78 Accepts]: Start accepts. Automaton has 229 states. Word has length 458 [2018-07-23 13:49:10,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:10,289 INFO L225 Difference]: With dead ends: 691 [2018-07-23 13:49:10,289 INFO L226 Difference]: Without dead ends: 461 [2018-07-23 13:49:10,295 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18985 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=32660, Invalid=83962, Unknown=0, NotChecked=0, Total=116622 [2018-07-23 13:49:10,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-07-23 13:49:10,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2018-07-23 13:49:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-07-23 13:49:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 462 transitions. [2018-07-23 13:49:10,334 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 462 transitions. Word has length 458 [2018-07-23 13:49:10,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:10,334 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 462 transitions. [2018-07-23 13:49:10,334 INFO L472 AbstractCegarLoop]: Interpolant automaton has 229 states. [2018-07-23 13:49:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 462 transitions. [2018-07-23 13:49:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2018-07-23 13:49:10,336 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:10,336 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 114, 113, 1, 1, 1, 1] [2018-07-23 13:49:10,336 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:10,336 INFO L82 PathProgramCache]: Analyzing trace with hash 258422107, now seen corresponding path program 171 times [2018-07-23 13:49:10,336 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 25992 backedges. 13110 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:11,593 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:11,593 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:49:11,593 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:11,594 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 13:49:11,594 INFO L185 omatonBuilderFactory]: Interpolants [224107#(<= 0 ULTIMATE.start_main_~k~5), 224106#false, 224105#true, 224111#(<= 4 ULTIMATE.start_main_~k~5), 224110#(<= 3 ULTIMATE.start_main_~k~5), 224109#(<= 2 ULTIMATE.start_main_~k~5), 224108#(<= 1 ULTIMATE.start_main_~k~5), 224115#(<= 8 ULTIMATE.start_main_~k~5), 224114#(<= 7 ULTIMATE.start_main_~k~5), 224113#(<= 6 ULTIMATE.start_main_~k~5), 224112#(<= 5 ULTIMATE.start_main_~k~5), 224119#(<= 12 ULTIMATE.start_main_~k~5), 224118#(<= 11 ULTIMATE.start_main_~k~5), 224117#(<= 10 ULTIMATE.start_main_~k~5), 224116#(<= 9 ULTIMATE.start_main_~k~5), 224123#(<= 16 ULTIMATE.start_main_~k~5), 224122#(<= 15 ULTIMATE.start_main_~k~5), 224121#(<= 14 ULTIMATE.start_main_~k~5), 224120#(<= 13 ULTIMATE.start_main_~k~5), 224127#(<= 20 ULTIMATE.start_main_~k~5), 224126#(<= 19 ULTIMATE.start_main_~k~5), 224125#(<= 18 ULTIMATE.start_main_~k~5), 224124#(<= 17 ULTIMATE.start_main_~k~5), 224131#(<= 24 ULTIMATE.start_main_~k~5), 224130#(<= 23 ULTIMATE.start_main_~k~5), 224129#(<= 22 ULTIMATE.start_main_~k~5), 224128#(<= 21 ULTIMATE.start_main_~k~5), 224135#(<= 28 ULTIMATE.start_main_~k~5), 224134#(<= 27 ULTIMATE.start_main_~k~5), 224133#(<= 26 ULTIMATE.start_main_~k~5), 224132#(<= 25 ULTIMATE.start_main_~k~5), 224139#(<= 32 ULTIMATE.start_main_~k~5), 224138#(<= 31 ULTIMATE.start_main_~k~5), 224137#(<= 30 ULTIMATE.start_main_~k~5), 224136#(<= 29 ULTIMATE.start_main_~k~5), 224143#(<= 36 ULTIMATE.start_main_~k~5), 224142#(<= 35 ULTIMATE.start_main_~k~5), 224141#(<= 34 ULTIMATE.start_main_~k~5), 224140#(<= 33 ULTIMATE.start_main_~k~5), 224147#(<= 40 ULTIMATE.start_main_~k~5), 224146#(<= 39 ULTIMATE.start_main_~k~5), 224145#(<= 38 ULTIMATE.start_main_~k~5), 224144#(<= 37 ULTIMATE.start_main_~k~5), 224151#(<= 44 ULTIMATE.start_main_~k~5), 224150#(<= 43 ULTIMATE.start_main_~k~5), 224149#(<= 42 ULTIMATE.start_main_~k~5), 224148#(<= 41 ULTIMATE.start_main_~k~5), 224155#(<= 48 ULTIMATE.start_main_~k~5), 224154#(<= 47 ULTIMATE.start_main_~k~5), 224153#(<= 46 ULTIMATE.start_main_~k~5), 224152#(<= 45 ULTIMATE.start_main_~k~5), 224159#(<= 52 ULTIMATE.start_main_~k~5), 224158#(<= 51 ULTIMATE.start_main_~k~5), 224157#(<= 50 ULTIMATE.start_main_~k~5), 224156#(<= 49 ULTIMATE.start_main_~k~5), 224163#(<= 56 ULTIMATE.start_main_~k~5), 224162#(<= 55 ULTIMATE.start_main_~k~5), 224161#(<= 54 ULTIMATE.start_main_~k~5), 224160#(<= 53 ULTIMATE.start_main_~k~5), 224167#(<= 60 ULTIMATE.start_main_~k~5), 224166#(<= 59 ULTIMATE.start_main_~k~5), 224165#(<= 58 ULTIMATE.start_main_~k~5), 224164#(<= 57 ULTIMATE.start_main_~k~5), 224171#(<= 64 ULTIMATE.start_main_~k~5), 224170#(<= 63 ULTIMATE.start_main_~k~5), 224169#(<= 62 ULTIMATE.start_main_~k~5), 224168#(<= 61 ULTIMATE.start_main_~k~5), 224175#(<= 68 ULTIMATE.start_main_~k~5), 224174#(<= 67 ULTIMATE.start_main_~k~5), 224173#(<= 66 ULTIMATE.start_main_~k~5), 224172#(<= 65 ULTIMATE.start_main_~k~5), 224179#(<= 72 ULTIMATE.start_main_~k~5), 224178#(<= 71 ULTIMATE.start_main_~k~5), 224177#(<= 70 ULTIMATE.start_main_~k~5), 224176#(<= 69 ULTIMATE.start_main_~k~5), 224183#(<= 76 ULTIMATE.start_main_~k~5), 224182#(<= 75 ULTIMATE.start_main_~k~5), 224181#(<= 74 ULTIMATE.start_main_~k~5), 224180#(<= 73 ULTIMATE.start_main_~k~5), 224187#(<= 80 ULTIMATE.start_main_~k~5), 224186#(<= 79 ULTIMATE.start_main_~k~5), 224185#(<= 78 ULTIMATE.start_main_~k~5), 224184#(<= 77 ULTIMATE.start_main_~k~5), 224191#(<= 84 ULTIMATE.start_main_~k~5), 224190#(<= 83 ULTIMATE.start_main_~k~5), 224189#(<= 82 ULTIMATE.start_main_~k~5), 224188#(<= 81 ULTIMATE.start_main_~k~5), 224195#(<= 88 ULTIMATE.start_main_~k~5), 224194#(<= 87 ULTIMATE.start_main_~k~5), 224193#(<= 86 ULTIMATE.start_main_~k~5), 224192#(<= 85 ULTIMATE.start_main_~k~5), 224199#(<= 92 ULTIMATE.start_main_~k~5), 224198#(<= 91 ULTIMATE.start_main_~k~5), 224197#(<= 90 ULTIMATE.start_main_~k~5), 224196#(<= 89 ULTIMATE.start_main_~k~5), 224203#(<= 96 ULTIMATE.start_main_~k~5), 224202#(<= 95 ULTIMATE.start_main_~k~5), 224201#(<= 94 ULTIMATE.start_main_~k~5), 224200#(<= 93 ULTIMATE.start_main_~k~5), 224207#(<= 100 ULTIMATE.start_main_~k~5), 224206#(<= 99 ULTIMATE.start_main_~k~5), 224205#(<= 98 ULTIMATE.start_main_~k~5), 224204#(<= 97 ULTIMATE.start_main_~k~5), 224211#(<= 104 ULTIMATE.start_main_~k~5), 224210#(<= 103 ULTIMATE.start_main_~k~5), 224209#(<= 102 ULTIMATE.start_main_~k~5), 224208#(<= 101 ULTIMATE.start_main_~k~5), 224215#(<= 108 ULTIMATE.start_main_~k~5), 224214#(<= 107 ULTIMATE.start_main_~k~5), 224213#(<= 106 ULTIMATE.start_main_~k~5), 224212#(<= 105 ULTIMATE.start_main_~k~5), 224219#(<= 112 ULTIMATE.start_main_~k~5), 224218#(<= 111 ULTIMATE.start_main_~k~5), 224217#(<= 110 ULTIMATE.start_main_~k~5), 224216#(<= 109 ULTIMATE.start_main_~k~5), 224223#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 224222#(and (<= 114 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 224221#(<= 114 ULTIMATE.start_main_~k~5), 224220#(<= 113 ULTIMATE.start_main_~k~5)] [2018-07-23 13:49:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 25992 backedges. 13110 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:11,595 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:49:11,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:49:11,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6905, Invalid=7137, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:49:11,596 INFO L87 Difference]: Start difference. First operand 461 states and 462 transitions. Second operand 119 states. [2018-07-23 13:49:12,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:12,217 INFO L93 Difference]: Finished difference Result 467 states and 469 transitions. [2018-07-23 13:49:12,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2018-07-23 13:49:12,217 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 460 [2018-07-23 13:49:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:12,218 INFO L225 Difference]: With dead ends: 467 [2018-07-23 13:49:12,218 INFO L226 Difference]: Without dead ends: 465 [2018-07-23 13:49:12,221 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13225 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20476, Invalid=34046, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:49:12,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-07-23 13:49:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2018-07-23 13:49:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-07-23 13:49:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 466 transitions. [2018-07-23 13:49:12,260 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 466 transitions. Word has length 460 [2018-07-23 13:49:12,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:12,260 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 466 transitions. [2018-07-23 13:49:12,260 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:49:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 466 transitions. [2018-07-23 13:49:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-07-23 13:49:12,262 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:12,262 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 115, 114, 1, 1, 1, 1] [2018-07-23 13:49:12,262 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:12,262 INFO L82 PathProgramCache]: Analyzing trace with hash -154701233, now seen corresponding path program 172 times [2018-07-23 13:49:12,262 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 26450 backedges. 13340 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:14,215 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:14,215 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [231] total 231 [2018-07-23 13:49:14,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:14,216 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 13:49:14,216 INFO L185 omatonBuilderFactory]: Interpolants [226319#false, 226318#true, 226323#(<= ULTIMATE.start_main_~i~5 3), 226322#(<= ULTIMATE.start_main_~i~5 2), 226321#(<= ULTIMATE.start_main_~i~5 1), 226320#(<= ULTIMATE.start_main_~i~5 0), 226327#(<= ULTIMATE.start_main_~i~5 7), 226326#(<= ULTIMATE.start_main_~i~5 6), 226325#(<= ULTIMATE.start_main_~i~5 5), 226324#(<= ULTIMATE.start_main_~i~5 4), 226331#(<= ULTIMATE.start_main_~i~5 11), 226330#(<= ULTIMATE.start_main_~i~5 10), 226329#(<= ULTIMATE.start_main_~i~5 9), 226328#(<= ULTIMATE.start_main_~i~5 8), 226335#(<= ULTIMATE.start_main_~i~5 15), 226334#(<= ULTIMATE.start_main_~i~5 14), 226333#(<= ULTIMATE.start_main_~i~5 13), 226332#(<= ULTIMATE.start_main_~i~5 12), 226339#(<= ULTIMATE.start_main_~i~5 19), 226338#(<= ULTIMATE.start_main_~i~5 18), 226337#(<= ULTIMATE.start_main_~i~5 17), 226336#(<= ULTIMATE.start_main_~i~5 16), 226343#(<= ULTIMATE.start_main_~i~5 23), 226342#(<= ULTIMATE.start_main_~i~5 22), 226341#(<= ULTIMATE.start_main_~i~5 21), 226340#(<= ULTIMATE.start_main_~i~5 20), 226347#(<= ULTIMATE.start_main_~i~5 27), 226346#(<= ULTIMATE.start_main_~i~5 26), 226345#(<= ULTIMATE.start_main_~i~5 25), 226344#(<= ULTIMATE.start_main_~i~5 24), 226351#(<= ULTIMATE.start_main_~i~5 31), 226350#(<= ULTIMATE.start_main_~i~5 30), 226349#(<= ULTIMATE.start_main_~i~5 29), 226348#(<= ULTIMATE.start_main_~i~5 28), 226355#(<= ULTIMATE.start_main_~i~5 35), 226354#(<= ULTIMATE.start_main_~i~5 34), 226353#(<= ULTIMATE.start_main_~i~5 33), 226352#(<= ULTIMATE.start_main_~i~5 32), 226359#(<= ULTIMATE.start_main_~i~5 39), 226358#(<= ULTIMATE.start_main_~i~5 38), 226357#(<= ULTIMATE.start_main_~i~5 37), 226356#(<= ULTIMATE.start_main_~i~5 36), 226363#(<= ULTIMATE.start_main_~i~5 43), 226362#(<= ULTIMATE.start_main_~i~5 42), 226361#(<= ULTIMATE.start_main_~i~5 41), 226360#(<= ULTIMATE.start_main_~i~5 40), 226367#(<= ULTIMATE.start_main_~i~5 47), 226366#(<= ULTIMATE.start_main_~i~5 46), 226365#(<= ULTIMATE.start_main_~i~5 45), 226364#(<= ULTIMATE.start_main_~i~5 44), 226371#(<= ULTIMATE.start_main_~i~5 51), 226370#(<= ULTIMATE.start_main_~i~5 50), 226369#(<= ULTIMATE.start_main_~i~5 49), 226368#(<= ULTIMATE.start_main_~i~5 48), 226375#(<= ULTIMATE.start_main_~i~5 55), 226374#(<= ULTIMATE.start_main_~i~5 54), 226373#(<= ULTIMATE.start_main_~i~5 53), 226372#(<= ULTIMATE.start_main_~i~5 52), 226379#(<= ULTIMATE.start_main_~i~5 59), 226378#(<= ULTIMATE.start_main_~i~5 58), 226377#(<= ULTIMATE.start_main_~i~5 57), 226376#(<= ULTIMATE.start_main_~i~5 56), 226383#(<= ULTIMATE.start_main_~i~5 63), 226382#(<= ULTIMATE.start_main_~i~5 62), 226381#(<= ULTIMATE.start_main_~i~5 61), 226380#(<= ULTIMATE.start_main_~i~5 60), 226387#(<= ULTIMATE.start_main_~i~5 67), 226386#(<= ULTIMATE.start_main_~i~5 66), 226385#(<= ULTIMATE.start_main_~i~5 65), 226384#(<= ULTIMATE.start_main_~i~5 64), 226391#(<= ULTIMATE.start_main_~i~5 71), 226390#(<= ULTIMATE.start_main_~i~5 70), 226389#(<= ULTIMATE.start_main_~i~5 69), 226388#(<= ULTIMATE.start_main_~i~5 68), 226395#(<= ULTIMATE.start_main_~i~5 75), 226394#(<= ULTIMATE.start_main_~i~5 74), 226393#(<= ULTIMATE.start_main_~i~5 73), 226392#(<= ULTIMATE.start_main_~i~5 72), 226399#(<= ULTIMATE.start_main_~i~5 79), 226398#(<= ULTIMATE.start_main_~i~5 78), 226397#(<= ULTIMATE.start_main_~i~5 77), 226396#(<= ULTIMATE.start_main_~i~5 76), 226403#(<= ULTIMATE.start_main_~i~5 83), 226402#(<= ULTIMATE.start_main_~i~5 82), 226401#(<= ULTIMATE.start_main_~i~5 81), 226400#(<= ULTIMATE.start_main_~i~5 80), 226407#(<= ULTIMATE.start_main_~i~5 87), 226406#(<= ULTIMATE.start_main_~i~5 86), 226405#(<= ULTIMATE.start_main_~i~5 85), 226404#(<= ULTIMATE.start_main_~i~5 84), 226411#(<= ULTIMATE.start_main_~i~5 91), 226410#(<= ULTIMATE.start_main_~i~5 90), 226409#(<= ULTIMATE.start_main_~i~5 89), 226408#(<= ULTIMATE.start_main_~i~5 88), 226415#(<= ULTIMATE.start_main_~i~5 95), 226414#(<= ULTIMATE.start_main_~i~5 94), 226413#(<= ULTIMATE.start_main_~i~5 93), 226412#(<= ULTIMATE.start_main_~i~5 92), 226419#(<= ULTIMATE.start_main_~i~5 99), 226418#(<= ULTIMATE.start_main_~i~5 98), 226417#(<= ULTIMATE.start_main_~i~5 97), 226416#(<= ULTIMATE.start_main_~i~5 96), 226423#(<= ULTIMATE.start_main_~i~5 103), 226422#(<= ULTIMATE.start_main_~i~5 102), 226421#(<= ULTIMATE.start_main_~i~5 101), 226420#(<= ULTIMATE.start_main_~i~5 100), 226427#(<= ULTIMATE.start_main_~i~5 107), 226426#(<= ULTIMATE.start_main_~i~5 106), 226425#(<= ULTIMATE.start_main_~i~5 105), 226424#(<= ULTIMATE.start_main_~i~5 104), 226431#(<= ULTIMATE.start_main_~i~5 111), 226430#(<= ULTIMATE.start_main_~i~5 110), 226429#(<= ULTIMATE.start_main_~i~5 109), 226428#(<= ULTIMATE.start_main_~i~5 108), 226435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 226434#(<= ULTIMATE.start_main_~i~5 114), 226433#(<= ULTIMATE.start_main_~i~5 113), 226432#(<= ULTIMATE.start_main_~i~5 112), 226439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 226438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 226437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 226436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 226443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 226442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 226441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 226440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 226447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 226446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 226445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 226444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 226451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 226450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 226449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 226448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 226455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 226454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 226453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 226452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 226459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 226458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 226457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 226456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 226463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 226462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 226461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 226460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 226467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 226466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 226465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 226464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 226471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 226470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 226469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 226468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 226475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 226474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 226473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 226472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 226479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 226478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 226477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 226476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 226483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 226482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 226481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 226480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 226487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 226486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 226485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 226484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 226491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 226490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 226489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 226488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 226495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 226494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 226493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 226492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 226499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 226498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 226497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 226496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 226503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 226502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 226501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 226500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 226507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 226506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 226505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 226504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 226511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 226510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 226509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 226508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 226515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 226514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 226513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 226512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 226519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 226518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 226517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 226516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 226523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 226522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 226521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 226520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 226527#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 226526#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 226525#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 226524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 226531#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 226530#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 226529#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 226528#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 226535#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 226534#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 226533#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 226532#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 226539#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 226538#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 226537#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 226536#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 226543#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 226542#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 226541#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 226540#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 226547#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 226546#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 226545#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 226544#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 226549#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 226548#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1))] [2018-07-23 13:49:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 26450 backedges. 13340 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:14,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 232 states [2018-07-23 13:49:14,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2018-07-23 13:49:14,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13571, Invalid=40021, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:49:14,222 INFO L87 Difference]: Start difference. First operand 465 states and 466 transitions. Second operand 232 states. [2018-07-23 13:49:16,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:16,181 INFO L93 Difference]: Finished difference Result 701 states and 703 transitions. [2018-07-23 13:49:16,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2018-07-23 13:49:16,182 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 464 [2018-07-23 13:49:16,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:16,182 INFO L225 Difference]: With dead ends: 701 [2018-07-23 13:49:16,182 INFO L226 Difference]: Without dead ends: 467 [2018-07-23 13:49:16,187 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19551 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=33350, Invalid=86020, Unknown=0, NotChecked=0, Total=119370 [2018-07-23 13:49:16,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-07-23 13:49:16,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2018-07-23 13:49:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-07-23 13:49:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 468 transitions. [2018-07-23 13:49:16,226 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 468 transitions. Word has length 464 [2018-07-23 13:49:16,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:16,226 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 468 transitions. [2018-07-23 13:49:16,226 INFO L472 AbstractCegarLoop]: Interpolant automaton has 232 states. [2018-07-23 13:49:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 468 transitions. [2018-07-23 13:49:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-07-23 13:49:16,228 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:16,228 INFO L357 BasicCegarLoop]: trace histogram [116, 116, 115, 115, 1, 1, 1, 1] [2018-07-23 13:49:16,228 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:16,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1259485877, now seen corresponding path program 173 times [2018-07-23 13:49:16,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 26680 backedges. 13340 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:18,203 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:18,203 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [232] total 232 [2018-07-23 13:49:18,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:18,204 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 13:49:18,204 INFO L185 omatonBuilderFactory]: Interpolants [229115#false, 229114#true, 229119#(<= ULTIMATE.start_main_~i~5 3), 229118#(<= ULTIMATE.start_main_~i~5 2), 229117#(<= ULTIMATE.start_main_~i~5 1), 229116#(<= ULTIMATE.start_main_~i~5 0), 229123#(<= ULTIMATE.start_main_~i~5 7), 229122#(<= ULTIMATE.start_main_~i~5 6), 229121#(<= ULTIMATE.start_main_~i~5 5), 229120#(<= ULTIMATE.start_main_~i~5 4), 229127#(<= ULTIMATE.start_main_~i~5 11), 229126#(<= ULTIMATE.start_main_~i~5 10), 229125#(<= ULTIMATE.start_main_~i~5 9), 229124#(<= ULTIMATE.start_main_~i~5 8), 229131#(<= ULTIMATE.start_main_~i~5 15), 229130#(<= ULTIMATE.start_main_~i~5 14), 229129#(<= ULTIMATE.start_main_~i~5 13), 229128#(<= ULTIMATE.start_main_~i~5 12), 229135#(<= ULTIMATE.start_main_~i~5 19), 229134#(<= ULTIMATE.start_main_~i~5 18), 229133#(<= ULTIMATE.start_main_~i~5 17), 229132#(<= ULTIMATE.start_main_~i~5 16), 229139#(<= ULTIMATE.start_main_~i~5 23), 229138#(<= ULTIMATE.start_main_~i~5 22), 229137#(<= ULTIMATE.start_main_~i~5 21), 229136#(<= ULTIMATE.start_main_~i~5 20), 229143#(<= ULTIMATE.start_main_~i~5 27), 229142#(<= ULTIMATE.start_main_~i~5 26), 229141#(<= ULTIMATE.start_main_~i~5 25), 229140#(<= ULTIMATE.start_main_~i~5 24), 229147#(<= ULTIMATE.start_main_~i~5 31), 229146#(<= ULTIMATE.start_main_~i~5 30), 229145#(<= ULTIMATE.start_main_~i~5 29), 229144#(<= ULTIMATE.start_main_~i~5 28), 229151#(<= ULTIMATE.start_main_~i~5 35), 229150#(<= ULTIMATE.start_main_~i~5 34), 229149#(<= ULTIMATE.start_main_~i~5 33), 229148#(<= ULTIMATE.start_main_~i~5 32), 229155#(<= ULTIMATE.start_main_~i~5 39), 229154#(<= ULTIMATE.start_main_~i~5 38), 229153#(<= ULTIMATE.start_main_~i~5 37), 229152#(<= ULTIMATE.start_main_~i~5 36), 229159#(<= ULTIMATE.start_main_~i~5 43), 229158#(<= ULTIMATE.start_main_~i~5 42), 229157#(<= ULTIMATE.start_main_~i~5 41), 229156#(<= ULTIMATE.start_main_~i~5 40), 229163#(<= ULTIMATE.start_main_~i~5 47), 229162#(<= ULTIMATE.start_main_~i~5 46), 229161#(<= ULTIMATE.start_main_~i~5 45), 229160#(<= ULTIMATE.start_main_~i~5 44), 229167#(<= ULTIMATE.start_main_~i~5 51), 229166#(<= ULTIMATE.start_main_~i~5 50), 229165#(<= ULTIMATE.start_main_~i~5 49), 229164#(<= ULTIMATE.start_main_~i~5 48), 229171#(<= ULTIMATE.start_main_~i~5 55), 229170#(<= ULTIMATE.start_main_~i~5 54), 229169#(<= ULTIMATE.start_main_~i~5 53), 229168#(<= ULTIMATE.start_main_~i~5 52), 229175#(<= ULTIMATE.start_main_~i~5 59), 229174#(<= ULTIMATE.start_main_~i~5 58), 229173#(<= ULTIMATE.start_main_~i~5 57), 229172#(<= ULTIMATE.start_main_~i~5 56), 229179#(<= ULTIMATE.start_main_~i~5 63), 229178#(<= ULTIMATE.start_main_~i~5 62), 229177#(<= ULTIMATE.start_main_~i~5 61), 229176#(<= ULTIMATE.start_main_~i~5 60), 229183#(<= ULTIMATE.start_main_~i~5 67), 229182#(<= ULTIMATE.start_main_~i~5 66), 229181#(<= ULTIMATE.start_main_~i~5 65), 229180#(<= ULTIMATE.start_main_~i~5 64), 229187#(<= ULTIMATE.start_main_~i~5 71), 229186#(<= ULTIMATE.start_main_~i~5 70), 229185#(<= ULTIMATE.start_main_~i~5 69), 229184#(<= ULTIMATE.start_main_~i~5 68), 229191#(<= ULTIMATE.start_main_~i~5 75), 229190#(<= ULTIMATE.start_main_~i~5 74), 229189#(<= ULTIMATE.start_main_~i~5 73), 229188#(<= ULTIMATE.start_main_~i~5 72), 229195#(<= ULTIMATE.start_main_~i~5 79), 229194#(<= ULTIMATE.start_main_~i~5 78), 229193#(<= ULTIMATE.start_main_~i~5 77), 229192#(<= ULTIMATE.start_main_~i~5 76), 229199#(<= ULTIMATE.start_main_~i~5 83), 229198#(<= ULTIMATE.start_main_~i~5 82), 229197#(<= ULTIMATE.start_main_~i~5 81), 229196#(<= ULTIMATE.start_main_~i~5 80), 229203#(<= ULTIMATE.start_main_~i~5 87), 229202#(<= ULTIMATE.start_main_~i~5 86), 229201#(<= ULTIMATE.start_main_~i~5 85), 229200#(<= ULTIMATE.start_main_~i~5 84), 229207#(<= ULTIMATE.start_main_~i~5 91), 229206#(<= ULTIMATE.start_main_~i~5 90), 229205#(<= ULTIMATE.start_main_~i~5 89), 229204#(<= ULTIMATE.start_main_~i~5 88), 229211#(<= ULTIMATE.start_main_~i~5 95), 229210#(<= ULTIMATE.start_main_~i~5 94), 229209#(<= ULTIMATE.start_main_~i~5 93), 229208#(<= ULTIMATE.start_main_~i~5 92), 229215#(<= ULTIMATE.start_main_~i~5 99), 229214#(<= ULTIMATE.start_main_~i~5 98), 229213#(<= ULTIMATE.start_main_~i~5 97), 229212#(<= ULTIMATE.start_main_~i~5 96), 229219#(<= ULTIMATE.start_main_~i~5 103), 229218#(<= ULTIMATE.start_main_~i~5 102), 229217#(<= ULTIMATE.start_main_~i~5 101), 229216#(<= ULTIMATE.start_main_~i~5 100), 229223#(<= ULTIMATE.start_main_~i~5 107), 229222#(<= ULTIMATE.start_main_~i~5 106), 229221#(<= ULTIMATE.start_main_~i~5 105), 229220#(<= ULTIMATE.start_main_~i~5 104), 229227#(<= ULTIMATE.start_main_~i~5 111), 229226#(<= ULTIMATE.start_main_~i~5 110), 229225#(<= ULTIMATE.start_main_~i~5 109), 229224#(<= ULTIMATE.start_main_~i~5 108), 229231#(<= ULTIMATE.start_main_~i~5 115), 229230#(<= ULTIMATE.start_main_~i~5 114), 229229#(<= ULTIMATE.start_main_~i~5 113), 229228#(<= ULTIMATE.start_main_~i~5 112), 229235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 229234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 229233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 229232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 229239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 229238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 229237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 229236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 229243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 229242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 229241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 229240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 229247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 229246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 229245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 229244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 229251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 229250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 229249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 229248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 229255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 229254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 229253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 229252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 229259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 229258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 229257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 229256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 229263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 229262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 229261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 229260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 229267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 229266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 229265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 229264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 229271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 229270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 229269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 229268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 229275#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 229274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 229273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 229272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 229279#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 229278#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 229277#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 229276#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 229283#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 229282#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 229281#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 229280#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 229287#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 229286#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 229285#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 229284#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 229291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 229290#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 229289#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 229288#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 229295#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 229294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 229293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 229292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 229299#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 229298#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 229297#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 229296#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 229303#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 229302#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 229301#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 229300#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 229307#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 229306#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 229305#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 229304#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 229311#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 229310#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 229309#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 229308#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 229315#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 229314#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 229313#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 229312#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 229319#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 229318#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 229317#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 229316#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 229323#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 229322#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 229321#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 229320#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 229327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 229326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 229325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 229324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 229331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 229330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 229329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 229328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 229335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 229334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 229333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 229332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 229339#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 229338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 229337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 229336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 229343#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 229342#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 229341#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 229340#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 229346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 229345#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 229344#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3))] [2018-07-23 13:49:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 26680 backedges. 13340 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:18,206 INFO L450 AbstractCegarLoop]: Interpolant automaton has 233 states [2018-07-23 13:49:18,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2018-07-23 13:49:18,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13688, Invalid=40368, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:49:18,212 INFO L87 Difference]: Start difference. First operand 467 states and 468 transitions. Second operand 233 states. [2018-07-23 13:49:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:20,195 INFO L93 Difference]: Finished difference Result 703 states and 705 transitions. [2018-07-23 13:49:20,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2018-07-23 13:49:20,195 INFO L78 Accepts]: Start accepts. Automaton has 233 states. Word has length 466 [2018-07-23 13:49:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:20,195 INFO L225 Difference]: With dead ends: 703 [2018-07-23 13:49:20,196 INFO L226 Difference]: Without dead ends: 469 [2018-07-23 13:49:20,199 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19666 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=33813, Invalid=86943, Unknown=0, NotChecked=0, Total=120756 [2018-07-23 13:49:20,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-07-23 13:49:20,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2018-07-23 13:49:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-07-23 13:49:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 470 transitions. [2018-07-23 13:49:20,238 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 470 transitions. Word has length 466 [2018-07-23 13:49:20,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:20,238 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 470 transitions. [2018-07-23 13:49:20,238 INFO L472 AbstractCegarLoop]: Interpolant automaton has 233 states. [2018-07-23 13:49:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 470 transitions. [2018-07-23 13:49:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-07-23 13:49:20,240 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:20,240 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 116, 115, 1, 1, 1, 1] [2018-07-23 13:49:20,240 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:20,240 INFO L82 PathProgramCache]: Analyzing trace with hash -2100606649, now seen corresponding path program 174 times [2018-07-23 13:49:20,240 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 26912 backedges. 13572 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:21,428 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:21,428 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:49:21,428 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:21,429 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 13:49:21,429 INFO L185 omatonBuilderFactory]: Interpolants [231939#(<= 16 ULTIMATE.start_main_~k~5), 231938#(<= 15 ULTIMATE.start_main_~k~5), 231937#(<= 14 ULTIMATE.start_main_~k~5), 231936#(<= 13 ULTIMATE.start_main_~k~5), 231943#(<= 20 ULTIMATE.start_main_~k~5), 231942#(<= 19 ULTIMATE.start_main_~k~5), 231941#(<= 18 ULTIMATE.start_main_~k~5), 231940#(<= 17 ULTIMATE.start_main_~k~5), 231947#(<= 24 ULTIMATE.start_main_~k~5), 231946#(<= 23 ULTIMATE.start_main_~k~5), 231945#(<= 22 ULTIMATE.start_main_~k~5), 231944#(<= 21 ULTIMATE.start_main_~k~5), 231951#(<= 28 ULTIMATE.start_main_~k~5), 231950#(<= 27 ULTIMATE.start_main_~k~5), 231949#(<= 26 ULTIMATE.start_main_~k~5), 231948#(<= 25 ULTIMATE.start_main_~k~5), 231955#(<= 32 ULTIMATE.start_main_~k~5), 231954#(<= 31 ULTIMATE.start_main_~k~5), 231953#(<= 30 ULTIMATE.start_main_~k~5), 231952#(<= 29 ULTIMATE.start_main_~k~5), 231959#(<= 36 ULTIMATE.start_main_~k~5), 231958#(<= 35 ULTIMATE.start_main_~k~5), 231957#(<= 34 ULTIMATE.start_main_~k~5), 231956#(<= 33 ULTIMATE.start_main_~k~5), 231963#(<= 40 ULTIMATE.start_main_~k~5), 231962#(<= 39 ULTIMATE.start_main_~k~5), 231961#(<= 38 ULTIMATE.start_main_~k~5), 231960#(<= 37 ULTIMATE.start_main_~k~5), 231967#(<= 44 ULTIMATE.start_main_~k~5), 231966#(<= 43 ULTIMATE.start_main_~k~5), 231965#(<= 42 ULTIMATE.start_main_~k~5), 231964#(<= 41 ULTIMATE.start_main_~k~5), 231971#(<= 48 ULTIMATE.start_main_~k~5), 231970#(<= 47 ULTIMATE.start_main_~k~5), 231969#(<= 46 ULTIMATE.start_main_~k~5), 231968#(<= 45 ULTIMATE.start_main_~k~5), 231975#(<= 52 ULTIMATE.start_main_~k~5), 231974#(<= 51 ULTIMATE.start_main_~k~5), 231973#(<= 50 ULTIMATE.start_main_~k~5), 231972#(<= 49 ULTIMATE.start_main_~k~5), 231979#(<= 56 ULTIMATE.start_main_~k~5), 231978#(<= 55 ULTIMATE.start_main_~k~5), 231977#(<= 54 ULTIMATE.start_main_~k~5), 231976#(<= 53 ULTIMATE.start_main_~k~5), 231983#(<= 60 ULTIMATE.start_main_~k~5), 231982#(<= 59 ULTIMATE.start_main_~k~5), 231981#(<= 58 ULTIMATE.start_main_~k~5), 231980#(<= 57 ULTIMATE.start_main_~k~5), 231987#(<= 64 ULTIMATE.start_main_~k~5), 231986#(<= 63 ULTIMATE.start_main_~k~5), 231985#(<= 62 ULTIMATE.start_main_~k~5), 231984#(<= 61 ULTIMATE.start_main_~k~5), 231991#(<= 68 ULTIMATE.start_main_~k~5), 231990#(<= 67 ULTIMATE.start_main_~k~5), 231989#(<= 66 ULTIMATE.start_main_~k~5), 231988#(<= 65 ULTIMATE.start_main_~k~5), 231995#(<= 72 ULTIMATE.start_main_~k~5), 231994#(<= 71 ULTIMATE.start_main_~k~5), 231993#(<= 70 ULTIMATE.start_main_~k~5), 231992#(<= 69 ULTIMATE.start_main_~k~5), 231999#(<= 76 ULTIMATE.start_main_~k~5), 231998#(<= 75 ULTIMATE.start_main_~k~5), 231997#(<= 74 ULTIMATE.start_main_~k~5), 231996#(<= 73 ULTIMATE.start_main_~k~5), 232003#(<= 80 ULTIMATE.start_main_~k~5), 232002#(<= 79 ULTIMATE.start_main_~k~5), 232001#(<= 78 ULTIMATE.start_main_~k~5), 232000#(<= 77 ULTIMATE.start_main_~k~5), 232007#(<= 84 ULTIMATE.start_main_~k~5), 232006#(<= 83 ULTIMATE.start_main_~k~5), 232005#(<= 82 ULTIMATE.start_main_~k~5), 232004#(<= 81 ULTIMATE.start_main_~k~5), 232011#(<= 88 ULTIMATE.start_main_~k~5), 232010#(<= 87 ULTIMATE.start_main_~k~5), 232009#(<= 86 ULTIMATE.start_main_~k~5), 232008#(<= 85 ULTIMATE.start_main_~k~5), 232015#(<= 92 ULTIMATE.start_main_~k~5), 232014#(<= 91 ULTIMATE.start_main_~k~5), 232013#(<= 90 ULTIMATE.start_main_~k~5), 232012#(<= 89 ULTIMATE.start_main_~k~5), 232019#(<= 96 ULTIMATE.start_main_~k~5), 232018#(<= 95 ULTIMATE.start_main_~k~5), 232017#(<= 94 ULTIMATE.start_main_~k~5), 232016#(<= 93 ULTIMATE.start_main_~k~5), 232023#(<= 100 ULTIMATE.start_main_~k~5), 232022#(<= 99 ULTIMATE.start_main_~k~5), 232021#(<= 98 ULTIMATE.start_main_~k~5), 232020#(<= 97 ULTIMATE.start_main_~k~5), 232027#(<= 104 ULTIMATE.start_main_~k~5), 232026#(<= 103 ULTIMATE.start_main_~k~5), 232025#(<= 102 ULTIMATE.start_main_~k~5), 232024#(<= 101 ULTIMATE.start_main_~k~5), 232031#(<= 108 ULTIMATE.start_main_~k~5), 232030#(<= 107 ULTIMATE.start_main_~k~5), 232029#(<= 106 ULTIMATE.start_main_~k~5), 232028#(<= 105 ULTIMATE.start_main_~k~5), 232035#(<= 112 ULTIMATE.start_main_~k~5), 232034#(<= 111 ULTIMATE.start_main_~k~5), 232033#(<= 110 ULTIMATE.start_main_~k~5), 232032#(<= 109 ULTIMATE.start_main_~k~5), 232039#(<= 116 ULTIMATE.start_main_~k~5), 232038#(<= 115 ULTIMATE.start_main_~k~5), 232037#(<= 114 ULTIMATE.start_main_~k~5), 232036#(<= 113 ULTIMATE.start_main_~k~5), 232041#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 232040#(and (<= 116 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 231923#(<= 0 ULTIMATE.start_main_~k~5), 231922#false, 231921#true, 231927#(<= 4 ULTIMATE.start_main_~k~5), 231926#(<= 3 ULTIMATE.start_main_~k~5), 231925#(<= 2 ULTIMATE.start_main_~k~5), 231924#(<= 1 ULTIMATE.start_main_~k~5), 231931#(<= 8 ULTIMATE.start_main_~k~5), 231930#(<= 7 ULTIMATE.start_main_~k~5), 231929#(<= 6 ULTIMATE.start_main_~k~5), 231928#(<= 5 ULTIMATE.start_main_~k~5), 231935#(<= 12 ULTIMATE.start_main_~k~5), 231934#(<= 11 ULTIMATE.start_main_~k~5), 231933#(<= 10 ULTIMATE.start_main_~k~5), 231932#(<= 9 ULTIMATE.start_main_~k~5)] [2018-07-23 13:49:21,430 INFO L134 CoverageAnalysis]: Checked inductivity of 26912 backedges. 13572 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:21,430 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:49:21,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:49:21,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7142, Invalid=7378, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:49:21,431 INFO L87 Difference]: Start difference. First operand 469 states and 470 transitions. Second operand 121 states. [2018-07-23 13:49:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:22,116 INFO L93 Difference]: Finished difference Result 475 states and 477 transitions. [2018-07-23 13:49:22,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2018-07-23 13:49:22,117 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 468 [2018-07-23 13:49:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:22,118 INFO L225 Difference]: With dead ends: 475 [2018-07-23 13:49:22,118 INFO L226 Difference]: Without dead ends: 473 [2018-07-23 13:49:22,122 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13689 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21183, Invalid=35223, Unknown=0, NotChecked=0, Total=56406 [2018-07-23 13:49:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-07-23 13:49:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2018-07-23 13:49:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-07-23 13:49:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 474 transitions. [2018-07-23 13:49:22,178 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 474 transitions. Word has length 468 [2018-07-23 13:49:22,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:22,178 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 474 transitions. [2018-07-23 13:49:22,178 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:49:22,178 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 474 transitions. [2018-07-23 13:49:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2018-07-23 13:49:22,180 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:22,181 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 117, 116, 1, 1, 1, 1] [2018-07-23 13:49:22,181 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:22,181 INFO L82 PathProgramCache]: Analyzing trace with hash 820490299, now seen corresponding path program 175 times [2018-07-23 13:49:22,181 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 27378 backedges. 13806 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:24,320 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:24,320 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [235] total 235 [2018-07-23 13:49:24,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:24,321 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 13:49:24,321 INFO L185 omatonBuilderFactory]: Interpolants [234175#(<= ULTIMATE.start_main_~i~5 1), 234174#(<= ULTIMATE.start_main_~i~5 0), 234173#false, 234172#true, 234179#(<= ULTIMATE.start_main_~i~5 5), 234178#(<= ULTIMATE.start_main_~i~5 4), 234177#(<= ULTIMATE.start_main_~i~5 3), 234176#(<= ULTIMATE.start_main_~i~5 2), 234183#(<= ULTIMATE.start_main_~i~5 9), 234182#(<= ULTIMATE.start_main_~i~5 8), 234181#(<= ULTIMATE.start_main_~i~5 7), 234180#(<= ULTIMATE.start_main_~i~5 6), 234187#(<= ULTIMATE.start_main_~i~5 13), 234186#(<= ULTIMATE.start_main_~i~5 12), 234185#(<= ULTIMATE.start_main_~i~5 11), 234184#(<= ULTIMATE.start_main_~i~5 10), 234191#(<= ULTIMATE.start_main_~i~5 17), 234190#(<= ULTIMATE.start_main_~i~5 16), 234189#(<= ULTIMATE.start_main_~i~5 15), 234188#(<= ULTIMATE.start_main_~i~5 14), 234195#(<= ULTIMATE.start_main_~i~5 21), 234194#(<= ULTIMATE.start_main_~i~5 20), 234193#(<= ULTIMATE.start_main_~i~5 19), 234192#(<= ULTIMATE.start_main_~i~5 18), 234199#(<= ULTIMATE.start_main_~i~5 25), 234198#(<= ULTIMATE.start_main_~i~5 24), 234197#(<= ULTIMATE.start_main_~i~5 23), 234196#(<= ULTIMATE.start_main_~i~5 22), 234203#(<= ULTIMATE.start_main_~i~5 29), 234202#(<= ULTIMATE.start_main_~i~5 28), 234201#(<= ULTIMATE.start_main_~i~5 27), 234200#(<= ULTIMATE.start_main_~i~5 26), 234207#(<= ULTIMATE.start_main_~i~5 33), 234206#(<= ULTIMATE.start_main_~i~5 32), 234205#(<= ULTIMATE.start_main_~i~5 31), 234204#(<= ULTIMATE.start_main_~i~5 30), 234211#(<= ULTIMATE.start_main_~i~5 37), 234210#(<= ULTIMATE.start_main_~i~5 36), 234209#(<= ULTIMATE.start_main_~i~5 35), 234208#(<= ULTIMATE.start_main_~i~5 34), 234215#(<= ULTIMATE.start_main_~i~5 41), 234214#(<= ULTIMATE.start_main_~i~5 40), 234213#(<= ULTIMATE.start_main_~i~5 39), 234212#(<= ULTIMATE.start_main_~i~5 38), 234219#(<= ULTIMATE.start_main_~i~5 45), 234218#(<= ULTIMATE.start_main_~i~5 44), 234217#(<= ULTIMATE.start_main_~i~5 43), 234216#(<= ULTIMATE.start_main_~i~5 42), 234223#(<= ULTIMATE.start_main_~i~5 49), 234222#(<= ULTIMATE.start_main_~i~5 48), 234221#(<= ULTIMATE.start_main_~i~5 47), 234220#(<= ULTIMATE.start_main_~i~5 46), 234227#(<= ULTIMATE.start_main_~i~5 53), 234226#(<= ULTIMATE.start_main_~i~5 52), 234225#(<= ULTIMATE.start_main_~i~5 51), 234224#(<= ULTIMATE.start_main_~i~5 50), 234231#(<= ULTIMATE.start_main_~i~5 57), 234230#(<= ULTIMATE.start_main_~i~5 56), 234229#(<= ULTIMATE.start_main_~i~5 55), 234228#(<= ULTIMATE.start_main_~i~5 54), 234235#(<= ULTIMATE.start_main_~i~5 61), 234234#(<= ULTIMATE.start_main_~i~5 60), 234233#(<= ULTIMATE.start_main_~i~5 59), 234232#(<= ULTIMATE.start_main_~i~5 58), 234239#(<= ULTIMATE.start_main_~i~5 65), 234238#(<= ULTIMATE.start_main_~i~5 64), 234237#(<= ULTIMATE.start_main_~i~5 63), 234236#(<= ULTIMATE.start_main_~i~5 62), 234243#(<= ULTIMATE.start_main_~i~5 69), 234242#(<= ULTIMATE.start_main_~i~5 68), 234241#(<= ULTIMATE.start_main_~i~5 67), 234240#(<= ULTIMATE.start_main_~i~5 66), 234247#(<= ULTIMATE.start_main_~i~5 73), 234246#(<= ULTIMATE.start_main_~i~5 72), 234245#(<= ULTIMATE.start_main_~i~5 71), 234244#(<= ULTIMATE.start_main_~i~5 70), 234251#(<= ULTIMATE.start_main_~i~5 77), 234250#(<= ULTIMATE.start_main_~i~5 76), 234249#(<= ULTIMATE.start_main_~i~5 75), 234248#(<= ULTIMATE.start_main_~i~5 74), 234255#(<= ULTIMATE.start_main_~i~5 81), 234254#(<= ULTIMATE.start_main_~i~5 80), 234253#(<= ULTIMATE.start_main_~i~5 79), 234252#(<= ULTIMATE.start_main_~i~5 78), 234259#(<= ULTIMATE.start_main_~i~5 85), 234258#(<= ULTIMATE.start_main_~i~5 84), 234257#(<= ULTIMATE.start_main_~i~5 83), 234256#(<= ULTIMATE.start_main_~i~5 82), 234263#(<= ULTIMATE.start_main_~i~5 89), 234262#(<= ULTIMATE.start_main_~i~5 88), 234261#(<= ULTIMATE.start_main_~i~5 87), 234260#(<= ULTIMATE.start_main_~i~5 86), 234267#(<= ULTIMATE.start_main_~i~5 93), 234266#(<= ULTIMATE.start_main_~i~5 92), 234265#(<= ULTIMATE.start_main_~i~5 91), 234264#(<= ULTIMATE.start_main_~i~5 90), 234271#(<= ULTIMATE.start_main_~i~5 97), 234270#(<= ULTIMATE.start_main_~i~5 96), 234269#(<= ULTIMATE.start_main_~i~5 95), 234268#(<= ULTIMATE.start_main_~i~5 94), 234275#(<= ULTIMATE.start_main_~i~5 101), 234274#(<= ULTIMATE.start_main_~i~5 100), 234273#(<= ULTIMATE.start_main_~i~5 99), 234272#(<= ULTIMATE.start_main_~i~5 98), 234279#(<= ULTIMATE.start_main_~i~5 105), 234278#(<= ULTIMATE.start_main_~i~5 104), 234277#(<= ULTIMATE.start_main_~i~5 103), 234276#(<= ULTIMATE.start_main_~i~5 102), 234283#(<= ULTIMATE.start_main_~i~5 109), 234282#(<= ULTIMATE.start_main_~i~5 108), 234281#(<= ULTIMATE.start_main_~i~5 107), 234280#(<= ULTIMATE.start_main_~i~5 106), 234287#(<= ULTIMATE.start_main_~i~5 113), 234286#(<= ULTIMATE.start_main_~i~5 112), 234285#(<= ULTIMATE.start_main_~i~5 111), 234284#(<= ULTIMATE.start_main_~i~5 110), 234291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 234290#(<= ULTIMATE.start_main_~i~5 116), 234289#(<= ULTIMATE.start_main_~i~5 115), 234288#(<= ULTIMATE.start_main_~i~5 114), 234295#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 234294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 234293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 234292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 234299#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 234298#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 234297#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 234296#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 234303#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 234302#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 234301#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 234300#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 234307#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 234306#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 234305#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 234304#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 234311#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 234310#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 234309#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 234308#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 234315#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 234314#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 234313#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 234312#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 234319#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 234318#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 234317#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 234316#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 234323#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 234322#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 234321#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 234320#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 234327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 234326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 234325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 234324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 234331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 234330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 234329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 234328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 234335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 234334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 234333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 234332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 234339#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 234338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 234337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 234336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 234343#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 234342#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 234341#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 234340#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 234347#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 234346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 234345#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 234344#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 234351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 234350#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 234349#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 234348#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 234355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 234354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 234353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 234352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 234359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 234358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 234357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 234356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 234363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 234362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 234361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 234360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 234367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 234366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 234365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 234364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 234371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 234370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 234369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 234368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 234375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 234374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 234373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 234372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 234379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 234378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 234377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 234376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 234383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 234382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 234381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 234380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 234387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 234386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 234385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 234384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 234391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 234390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 234389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 234388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 234395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 234394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 234393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 234392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 234399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 234398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 234397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 234396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 234403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 234402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 234401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 234400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 234407#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 234406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 234405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 234404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3))] [2018-07-23 13:49:24,322 INFO L134 CoverageAnalysis]: Checked inductivity of 27378 backedges. 13806 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:24,322 INFO L450 AbstractCegarLoop]: Interpolant automaton has 236 states [2018-07-23 13:49:24,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2018-07-23 13:49:24,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14041, Invalid=41419, Unknown=0, NotChecked=0, Total=55460 [2018-07-23 13:49:24,326 INFO L87 Difference]: Start difference. First operand 473 states and 474 transitions. Second operand 236 states. [2018-07-23 13:49:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:26,136 INFO L93 Difference]: Finished difference Result 713 states and 715 transitions. [2018-07-23 13:49:26,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2018-07-23 13:49:26,136 INFO L78 Accepts]: Start accepts. Automaton has 236 states. Word has length 472 [2018-07-23 13:49:26,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:26,137 INFO L225 Difference]: With dead ends: 713 [2018-07-23 13:49:26,137 INFO L226 Difference]: Without dead ends: 475 [2018-07-23 13:49:26,143 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 350 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20242 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=34515, Invalid=89037, Unknown=0, NotChecked=0, Total=123552 [2018-07-23 13:49:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-07-23 13:49:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2018-07-23 13:49:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2018-07-23 13:49:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 476 transitions. [2018-07-23 13:49:26,184 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 476 transitions. Word has length 472 [2018-07-23 13:49:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:26,184 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 476 transitions. [2018-07-23 13:49:26,184 INFO L472 AbstractCegarLoop]: Interpolant automaton has 236 states. [2018-07-23 13:49:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 476 transitions. [2018-07-23 13:49:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2018-07-23 13:49:26,186 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:26,186 INFO L357 BasicCegarLoop]: trace histogram [118, 118, 117, 117, 1, 1, 1, 1] [2018-07-23 13:49:26,186 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:26,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1207519031, now seen corresponding path program 176 times [2018-07-23 13:49:26,186 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 27612 backedges. 13806 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:28,309 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:28,309 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [236] total 236 [2018-07-23 13:49:28,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:28,309 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 13:49:28,310 INFO L185 omatonBuilderFactory]: Interpolants [237059#(<= ULTIMATE.start_main_~i~5 41), 237058#(<= ULTIMATE.start_main_~i~5 40), 237057#(<= ULTIMATE.start_main_~i~5 39), 237056#(<= ULTIMATE.start_main_~i~5 38), 237063#(<= ULTIMATE.start_main_~i~5 45), 237062#(<= ULTIMATE.start_main_~i~5 44), 237061#(<= ULTIMATE.start_main_~i~5 43), 237060#(<= ULTIMATE.start_main_~i~5 42), 237067#(<= ULTIMATE.start_main_~i~5 49), 237066#(<= ULTIMATE.start_main_~i~5 48), 237065#(<= ULTIMATE.start_main_~i~5 47), 237064#(<= ULTIMATE.start_main_~i~5 46), 237071#(<= ULTIMATE.start_main_~i~5 53), 237070#(<= ULTIMATE.start_main_~i~5 52), 237069#(<= ULTIMATE.start_main_~i~5 51), 237068#(<= ULTIMATE.start_main_~i~5 50), 237075#(<= ULTIMATE.start_main_~i~5 57), 237074#(<= ULTIMATE.start_main_~i~5 56), 237073#(<= ULTIMATE.start_main_~i~5 55), 237072#(<= ULTIMATE.start_main_~i~5 54), 237079#(<= ULTIMATE.start_main_~i~5 61), 237078#(<= ULTIMATE.start_main_~i~5 60), 237077#(<= ULTIMATE.start_main_~i~5 59), 237076#(<= ULTIMATE.start_main_~i~5 58), 237083#(<= ULTIMATE.start_main_~i~5 65), 237082#(<= ULTIMATE.start_main_~i~5 64), 237081#(<= ULTIMATE.start_main_~i~5 63), 237080#(<= ULTIMATE.start_main_~i~5 62), 237087#(<= ULTIMATE.start_main_~i~5 69), 237086#(<= ULTIMATE.start_main_~i~5 68), 237085#(<= ULTIMATE.start_main_~i~5 67), 237084#(<= ULTIMATE.start_main_~i~5 66), 237091#(<= ULTIMATE.start_main_~i~5 73), 237090#(<= ULTIMATE.start_main_~i~5 72), 237089#(<= ULTIMATE.start_main_~i~5 71), 237088#(<= ULTIMATE.start_main_~i~5 70), 237095#(<= ULTIMATE.start_main_~i~5 77), 237094#(<= ULTIMATE.start_main_~i~5 76), 237093#(<= ULTIMATE.start_main_~i~5 75), 237092#(<= ULTIMATE.start_main_~i~5 74), 237099#(<= ULTIMATE.start_main_~i~5 81), 237098#(<= ULTIMATE.start_main_~i~5 80), 237097#(<= ULTIMATE.start_main_~i~5 79), 237096#(<= ULTIMATE.start_main_~i~5 78), 237103#(<= ULTIMATE.start_main_~i~5 85), 237102#(<= ULTIMATE.start_main_~i~5 84), 237101#(<= ULTIMATE.start_main_~i~5 83), 237100#(<= ULTIMATE.start_main_~i~5 82), 237107#(<= ULTIMATE.start_main_~i~5 89), 237106#(<= ULTIMATE.start_main_~i~5 88), 237105#(<= ULTIMATE.start_main_~i~5 87), 237104#(<= ULTIMATE.start_main_~i~5 86), 237111#(<= ULTIMATE.start_main_~i~5 93), 237110#(<= ULTIMATE.start_main_~i~5 92), 237109#(<= ULTIMATE.start_main_~i~5 91), 237108#(<= ULTIMATE.start_main_~i~5 90), 237115#(<= ULTIMATE.start_main_~i~5 97), 237114#(<= ULTIMATE.start_main_~i~5 96), 237113#(<= ULTIMATE.start_main_~i~5 95), 237112#(<= ULTIMATE.start_main_~i~5 94), 237119#(<= ULTIMATE.start_main_~i~5 101), 237118#(<= ULTIMATE.start_main_~i~5 100), 237117#(<= ULTIMATE.start_main_~i~5 99), 237116#(<= ULTIMATE.start_main_~i~5 98), 237123#(<= ULTIMATE.start_main_~i~5 105), 237122#(<= ULTIMATE.start_main_~i~5 104), 237121#(<= ULTIMATE.start_main_~i~5 103), 237120#(<= ULTIMATE.start_main_~i~5 102), 237127#(<= ULTIMATE.start_main_~i~5 109), 237126#(<= ULTIMATE.start_main_~i~5 108), 237125#(<= ULTIMATE.start_main_~i~5 107), 237124#(<= ULTIMATE.start_main_~i~5 106), 237131#(<= ULTIMATE.start_main_~i~5 113), 237130#(<= ULTIMATE.start_main_~i~5 112), 237129#(<= ULTIMATE.start_main_~i~5 111), 237128#(<= ULTIMATE.start_main_~i~5 110), 237135#(<= ULTIMATE.start_main_~i~5 117), 237134#(<= ULTIMATE.start_main_~i~5 116), 237133#(<= ULTIMATE.start_main_~i~5 115), 237132#(<= ULTIMATE.start_main_~i~5 114), 237139#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 237138#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 237137#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 237136#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 117)), 237143#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 237142#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 237141#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 237140#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 237147#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 237146#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 237145#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 237144#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 237151#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 237150#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 237149#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 237148#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 237155#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 237154#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 237153#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 237152#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 237159#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 237158#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 237157#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 237156#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 237163#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 237162#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 237161#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 237160#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 237167#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 237166#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 237165#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 237164#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 237171#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 237170#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 237169#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 237168#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 237175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 237174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 237173#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 237172#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 237179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 237178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 237177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 237176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 237183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 237182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 237181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 237180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 237187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 237186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 237185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 237184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 237191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 237190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 237189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 237188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 237195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 237194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 237193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 237192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 237199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 237198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 237197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 237196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 237203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 237202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 237201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 237200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 237207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 237206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 237205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 237204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 237211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 237210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 237209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 237208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 237215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 237214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 237213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 237212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 237219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 237218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 237217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 237216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 237223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 237222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 237221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 237220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 237227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 237226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 237225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 237224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 237231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 237230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 237229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 237228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 237235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 237234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 237233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 237232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 237239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 237238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 237237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 237236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 237243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 237242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 237241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 237240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 237247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 237246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 237245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 237244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 237251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 237250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 237249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 237248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 237252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 237019#(<= ULTIMATE.start_main_~i~5 1), 237018#(<= ULTIMATE.start_main_~i~5 0), 237017#false, 237016#true, 237023#(<= ULTIMATE.start_main_~i~5 5), 237022#(<= ULTIMATE.start_main_~i~5 4), 237021#(<= ULTIMATE.start_main_~i~5 3), 237020#(<= ULTIMATE.start_main_~i~5 2), 237027#(<= ULTIMATE.start_main_~i~5 9), 237026#(<= ULTIMATE.start_main_~i~5 8), 237025#(<= ULTIMATE.start_main_~i~5 7), 237024#(<= ULTIMATE.start_main_~i~5 6), 237031#(<= ULTIMATE.start_main_~i~5 13), 237030#(<= ULTIMATE.start_main_~i~5 12), 237029#(<= ULTIMATE.start_main_~i~5 11), 237028#(<= ULTIMATE.start_main_~i~5 10), 237035#(<= ULTIMATE.start_main_~i~5 17), 237034#(<= ULTIMATE.start_main_~i~5 16), 237033#(<= ULTIMATE.start_main_~i~5 15), 237032#(<= ULTIMATE.start_main_~i~5 14), 237039#(<= ULTIMATE.start_main_~i~5 21), 237038#(<= ULTIMATE.start_main_~i~5 20), 237037#(<= ULTIMATE.start_main_~i~5 19), 237036#(<= ULTIMATE.start_main_~i~5 18), 237043#(<= ULTIMATE.start_main_~i~5 25), 237042#(<= ULTIMATE.start_main_~i~5 24), 237041#(<= ULTIMATE.start_main_~i~5 23), 237040#(<= ULTIMATE.start_main_~i~5 22), 237047#(<= ULTIMATE.start_main_~i~5 29), 237046#(<= ULTIMATE.start_main_~i~5 28), 237045#(<= ULTIMATE.start_main_~i~5 27), 237044#(<= ULTIMATE.start_main_~i~5 26), 237051#(<= ULTIMATE.start_main_~i~5 33), 237050#(<= ULTIMATE.start_main_~i~5 32), 237049#(<= ULTIMATE.start_main_~i~5 31), 237048#(<= ULTIMATE.start_main_~i~5 30), 237055#(<= ULTIMATE.start_main_~i~5 37), 237054#(<= ULTIMATE.start_main_~i~5 36), 237053#(<= ULTIMATE.start_main_~i~5 35), 237052#(<= ULTIMATE.start_main_~i~5 34)] [2018-07-23 13:49:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 27612 backedges. 13806 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:28,311 INFO L450 AbstractCegarLoop]: Interpolant automaton has 237 states [2018-07-23 13:49:28,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2018-07-23 13:49:28,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14160, Invalid=41772, Unknown=0, NotChecked=0, Total=55932 [2018-07-23 13:49:28,314 INFO L87 Difference]: Start difference. First operand 475 states and 476 transitions. Second operand 237 states. [2018-07-23 13:49:29,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:29,952 INFO L93 Difference]: Finished difference Result 715 states and 717 transitions. [2018-07-23 13:49:29,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2018-07-23 13:49:29,952 INFO L78 Accepts]: Start accepts. Automaton has 237 states. Word has length 474 [2018-07-23 13:49:29,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:29,953 INFO L225 Difference]: With dead ends: 715 [2018-07-23 13:49:29,953 INFO L226 Difference]: Without dead ends: 477 [2018-07-23 13:49:29,959 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20359 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=34986, Invalid=89976, Unknown=0, NotChecked=0, Total=124962 [2018-07-23 13:49:29,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2018-07-23 13:49:29,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2018-07-23 13:49:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-07-23 13:49:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 478 transitions. [2018-07-23 13:49:29,999 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 478 transitions. Word has length 474 [2018-07-23 13:49:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:30,000 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 478 transitions. [2018-07-23 13:49:30,000 INFO L472 AbstractCegarLoop]: Interpolant automaton has 237 states. [2018-07-23 13:49:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 478 transitions. [2018-07-23 13:49:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-07-23 13:49:30,001 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:30,001 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 118, 117, 1, 1, 1, 1] [2018-07-23 13:49:30,001 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:30,002 INFO L82 PathProgramCache]: Analyzing trace with hash -520024269, now seen corresponding path program 177 times [2018-07-23 13:49:30,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 27848 backedges. 14042 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:31,382 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:31,382 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:49:31,382 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:31,382 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 13:49:31,383 INFO L185 omatonBuilderFactory]: Interpolants [239875#(<= 2 ULTIMATE.start_main_~k~5), 239874#(<= 1 ULTIMATE.start_main_~k~5), 239873#(<= 0 ULTIMATE.start_main_~k~5), 239872#false, 239879#(<= 6 ULTIMATE.start_main_~k~5), 239878#(<= 5 ULTIMATE.start_main_~k~5), 239877#(<= 4 ULTIMATE.start_main_~k~5), 239876#(<= 3 ULTIMATE.start_main_~k~5), 239883#(<= 10 ULTIMATE.start_main_~k~5), 239882#(<= 9 ULTIMATE.start_main_~k~5), 239881#(<= 8 ULTIMATE.start_main_~k~5), 239880#(<= 7 ULTIMATE.start_main_~k~5), 239887#(<= 14 ULTIMATE.start_main_~k~5), 239886#(<= 13 ULTIMATE.start_main_~k~5), 239885#(<= 12 ULTIMATE.start_main_~k~5), 239884#(<= 11 ULTIMATE.start_main_~k~5), 239891#(<= 18 ULTIMATE.start_main_~k~5), 239890#(<= 17 ULTIMATE.start_main_~k~5), 239889#(<= 16 ULTIMATE.start_main_~k~5), 239888#(<= 15 ULTIMATE.start_main_~k~5), 239895#(<= 22 ULTIMATE.start_main_~k~5), 239894#(<= 21 ULTIMATE.start_main_~k~5), 239893#(<= 20 ULTIMATE.start_main_~k~5), 239892#(<= 19 ULTIMATE.start_main_~k~5), 239899#(<= 26 ULTIMATE.start_main_~k~5), 239898#(<= 25 ULTIMATE.start_main_~k~5), 239897#(<= 24 ULTIMATE.start_main_~k~5), 239896#(<= 23 ULTIMATE.start_main_~k~5), 239903#(<= 30 ULTIMATE.start_main_~k~5), 239902#(<= 29 ULTIMATE.start_main_~k~5), 239901#(<= 28 ULTIMATE.start_main_~k~5), 239900#(<= 27 ULTIMATE.start_main_~k~5), 239907#(<= 34 ULTIMATE.start_main_~k~5), 239906#(<= 33 ULTIMATE.start_main_~k~5), 239905#(<= 32 ULTIMATE.start_main_~k~5), 239904#(<= 31 ULTIMATE.start_main_~k~5), 239911#(<= 38 ULTIMATE.start_main_~k~5), 239910#(<= 37 ULTIMATE.start_main_~k~5), 239909#(<= 36 ULTIMATE.start_main_~k~5), 239908#(<= 35 ULTIMATE.start_main_~k~5), 239915#(<= 42 ULTIMATE.start_main_~k~5), 239914#(<= 41 ULTIMATE.start_main_~k~5), 239913#(<= 40 ULTIMATE.start_main_~k~5), 239912#(<= 39 ULTIMATE.start_main_~k~5), 239919#(<= 46 ULTIMATE.start_main_~k~5), 239918#(<= 45 ULTIMATE.start_main_~k~5), 239917#(<= 44 ULTIMATE.start_main_~k~5), 239916#(<= 43 ULTIMATE.start_main_~k~5), 239923#(<= 50 ULTIMATE.start_main_~k~5), 239922#(<= 49 ULTIMATE.start_main_~k~5), 239921#(<= 48 ULTIMATE.start_main_~k~5), 239920#(<= 47 ULTIMATE.start_main_~k~5), 239927#(<= 54 ULTIMATE.start_main_~k~5), 239926#(<= 53 ULTIMATE.start_main_~k~5), 239925#(<= 52 ULTIMATE.start_main_~k~5), 239924#(<= 51 ULTIMATE.start_main_~k~5), 239931#(<= 58 ULTIMATE.start_main_~k~5), 239930#(<= 57 ULTIMATE.start_main_~k~5), 239929#(<= 56 ULTIMATE.start_main_~k~5), 239928#(<= 55 ULTIMATE.start_main_~k~5), 239935#(<= 62 ULTIMATE.start_main_~k~5), 239934#(<= 61 ULTIMATE.start_main_~k~5), 239933#(<= 60 ULTIMATE.start_main_~k~5), 239932#(<= 59 ULTIMATE.start_main_~k~5), 239939#(<= 66 ULTIMATE.start_main_~k~5), 239938#(<= 65 ULTIMATE.start_main_~k~5), 239937#(<= 64 ULTIMATE.start_main_~k~5), 239936#(<= 63 ULTIMATE.start_main_~k~5), 239943#(<= 70 ULTIMATE.start_main_~k~5), 239942#(<= 69 ULTIMATE.start_main_~k~5), 239941#(<= 68 ULTIMATE.start_main_~k~5), 239940#(<= 67 ULTIMATE.start_main_~k~5), 239947#(<= 74 ULTIMATE.start_main_~k~5), 239946#(<= 73 ULTIMATE.start_main_~k~5), 239945#(<= 72 ULTIMATE.start_main_~k~5), 239944#(<= 71 ULTIMATE.start_main_~k~5), 239951#(<= 78 ULTIMATE.start_main_~k~5), 239950#(<= 77 ULTIMATE.start_main_~k~5), 239949#(<= 76 ULTIMATE.start_main_~k~5), 239948#(<= 75 ULTIMATE.start_main_~k~5), 239955#(<= 82 ULTIMATE.start_main_~k~5), 239954#(<= 81 ULTIMATE.start_main_~k~5), 239953#(<= 80 ULTIMATE.start_main_~k~5), 239952#(<= 79 ULTIMATE.start_main_~k~5), 239959#(<= 86 ULTIMATE.start_main_~k~5), 239958#(<= 85 ULTIMATE.start_main_~k~5), 239957#(<= 84 ULTIMATE.start_main_~k~5), 239956#(<= 83 ULTIMATE.start_main_~k~5), 239963#(<= 90 ULTIMATE.start_main_~k~5), 239962#(<= 89 ULTIMATE.start_main_~k~5), 239961#(<= 88 ULTIMATE.start_main_~k~5), 239960#(<= 87 ULTIMATE.start_main_~k~5), 239967#(<= 94 ULTIMATE.start_main_~k~5), 239966#(<= 93 ULTIMATE.start_main_~k~5), 239965#(<= 92 ULTIMATE.start_main_~k~5), 239964#(<= 91 ULTIMATE.start_main_~k~5), 239971#(<= 98 ULTIMATE.start_main_~k~5), 239970#(<= 97 ULTIMATE.start_main_~k~5), 239969#(<= 96 ULTIMATE.start_main_~k~5), 239968#(<= 95 ULTIMATE.start_main_~k~5), 239975#(<= 102 ULTIMATE.start_main_~k~5), 239974#(<= 101 ULTIMATE.start_main_~k~5), 239973#(<= 100 ULTIMATE.start_main_~k~5), 239972#(<= 99 ULTIMATE.start_main_~k~5), 239979#(<= 106 ULTIMATE.start_main_~k~5), 239978#(<= 105 ULTIMATE.start_main_~k~5), 239977#(<= 104 ULTIMATE.start_main_~k~5), 239976#(<= 103 ULTIMATE.start_main_~k~5), 239983#(<= 110 ULTIMATE.start_main_~k~5), 239982#(<= 109 ULTIMATE.start_main_~k~5), 239981#(<= 108 ULTIMATE.start_main_~k~5), 239980#(<= 107 ULTIMATE.start_main_~k~5), 239987#(<= 114 ULTIMATE.start_main_~k~5), 239986#(<= 113 ULTIMATE.start_main_~k~5), 239985#(<= 112 ULTIMATE.start_main_~k~5), 239984#(<= 111 ULTIMATE.start_main_~k~5), 239991#(<= 118 ULTIMATE.start_main_~k~5), 239990#(<= 117 ULTIMATE.start_main_~k~5), 239989#(<= 116 ULTIMATE.start_main_~k~5), 239988#(<= 115 ULTIMATE.start_main_~k~5), 239993#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 239992#(and (<= 118 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1))), 239871#true] [2018-07-23 13:49:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 27848 backedges. 14042 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:31,384 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:49:31,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:49:31,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7383, Invalid=7623, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:49:31,385 INFO L87 Difference]: Start difference. First operand 477 states and 478 transitions. Second operand 123 states. [2018-07-23 13:49:32,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:32,094 INFO L93 Difference]: Finished difference Result 483 states and 485 transitions. [2018-07-23 13:49:32,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2018-07-23 13:49:32,095 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 476 [2018-07-23 13:49:32,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:32,096 INFO L225 Difference]: With dead ends: 483 [2018-07-23 13:49:32,096 INFO L226 Difference]: Without dead ends: 481 [2018-07-23 13:49:32,099 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21902, Invalid=36420, Unknown=0, NotChecked=0, Total=58322 [2018-07-23 13:49:32,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-07-23 13:49:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2018-07-23 13:49:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-07-23 13:49:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 482 transitions. [2018-07-23 13:49:32,140 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 482 transitions. Word has length 476 [2018-07-23 13:49:32,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:32,140 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 482 transitions. [2018-07-23 13:49:32,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:49:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 482 transitions. [2018-07-23 13:49:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2018-07-23 13:49:32,142 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:32,142 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 119, 118, 1, 1, 1, 1] [2018-07-23 13:49:32,142 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:32,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1370529831, now seen corresponding path program 178 times [2018-07-23 13:49:32,143 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 28322 backedges. 14280 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:34,453 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:34,453 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [239] total 239 [2018-07-23 13:49:34,454 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:34,454 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 13:49:34,454 INFO L185 omatonBuilderFactory]: Interpolants [242179#(<= ULTIMATE.start_main_~i~5 17), 242178#(<= ULTIMATE.start_main_~i~5 16), 242177#(<= ULTIMATE.start_main_~i~5 15), 242176#(<= ULTIMATE.start_main_~i~5 14), 242183#(<= ULTIMATE.start_main_~i~5 21), 242182#(<= ULTIMATE.start_main_~i~5 20), 242181#(<= ULTIMATE.start_main_~i~5 19), 242180#(<= ULTIMATE.start_main_~i~5 18), 242187#(<= ULTIMATE.start_main_~i~5 25), 242186#(<= ULTIMATE.start_main_~i~5 24), 242185#(<= ULTIMATE.start_main_~i~5 23), 242184#(<= ULTIMATE.start_main_~i~5 22), 242191#(<= ULTIMATE.start_main_~i~5 29), 242190#(<= ULTIMATE.start_main_~i~5 28), 242189#(<= ULTIMATE.start_main_~i~5 27), 242188#(<= ULTIMATE.start_main_~i~5 26), 242195#(<= ULTIMATE.start_main_~i~5 33), 242194#(<= ULTIMATE.start_main_~i~5 32), 242193#(<= ULTIMATE.start_main_~i~5 31), 242192#(<= ULTIMATE.start_main_~i~5 30), 242199#(<= ULTIMATE.start_main_~i~5 37), 242198#(<= ULTIMATE.start_main_~i~5 36), 242197#(<= ULTIMATE.start_main_~i~5 35), 242196#(<= ULTIMATE.start_main_~i~5 34), 242203#(<= ULTIMATE.start_main_~i~5 41), 242202#(<= ULTIMATE.start_main_~i~5 40), 242201#(<= ULTIMATE.start_main_~i~5 39), 242200#(<= ULTIMATE.start_main_~i~5 38), 242207#(<= ULTIMATE.start_main_~i~5 45), 242206#(<= ULTIMATE.start_main_~i~5 44), 242205#(<= ULTIMATE.start_main_~i~5 43), 242204#(<= ULTIMATE.start_main_~i~5 42), 242211#(<= ULTIMATE.start_main_~i~5 49), 242210#(<= ULTIMATE.start_main_~i~5 48), 242209#(<= ULTIMATE.start_main_~i~5 47), 242208#(<= ULTIMATE.start_main_~i~5 46), 242215#(<= ULTIMATE.start_main_~i~5 53), 242214#(<= ULTIMATE.start_main_~i~5 52), 242213#(<= ULTIMATE.start_main_~i~5 51), 242212#(<= ULTIMATE.start_main_~i~5 50), 242219#(<= ULTIMATE.start_main_~i~5 57), 242218#(<= ULTIMATE.start_main_~i~5 56), 242217#(<= ULTIMATE.start_main_~i~5 55), 242216#(<= ULTIMATE.start_main_~i~5 54), 242223#(<= ULTIMATE.start_main_~i~5 61), 242222#(<= ULTIMATE.start_main_~i~5 60), 242221#(<= ULTIMATE.start_main_~i~5 59), 242220#(<= ULTIMATE.start_main_~i~5 58), 242227#(<= ULTIMATE.start_main_~i~5 65), 242226#(<= ULTIMATE.start_main_~i~5 64), 242225#(<= ULTIMATE.start_main_~i~5 63), 242224#(<= ULTIMATE.start_main_~i~5 62), 242231#(<= ULTIMATE.start_main_~i~5 69), 242230#(<= ULTIMATE.start_main_~i~5 68), 242229#(<= ULTIMATE.start_main_~i~5 67), 242228#(<= ULTIMATE.start_main_~i~5 66), 242235#(<= ULTIMATE.start_main_~i~5 73), 242234#(<= ULTIMATE.start_main_~i~5 72), 242233#(<= ULTIMATE.start_main_~i~5 71), 242232#(<= ULTIMATE.start_main_~i~5 70), 242239#(<= ULTIMATE.start_main_~i~5 77), 242238#(<= ULTIMATE.start_main_~i~5 76), 242237#(<= ULTIMATE.start_main_~i~5 75), 242236#(<= ULTIMATE.start_main_~i~5 74), 242243#(<= ULTIMATE.start_main_~i~5 81), 242242#(<= ULTIMATE.start_main_~i~5 80), 242241#(<= ULTIMATE.start_main_~i~5 79), 242240#(<= ULTIMATE.start_main_~i~5 78), 242247#(<= ULTIMATE.start_main_~i~5 85), 242246#(<= ULTIMATE.start_main_~i~5 84), 242245#(<= ULTIMATE.start_main_~i~5 83), 242244#(<= ULTIMATE.start_main_~i~5 82), 242251#(<= ULTIMATE.start_main_~i~5 89), 242250#(<= ULTIMATE.start_main_~i~5 88), 242249#(<= ULTIMATE.start_main_~i~5 87), 242248#(<= ULTIMATE.start_main_~i~5 86), 242255#(<= ULTIMATE.start_main_~i~5 93), 242254#(<= ULTIMATE.start_main_~i~5 92), 242253#(<= ULTIMATE.start_main_~i~5 91), 242252#(<= ULTIMATE.start_main_~i~5 90), 242259#(<= ULTIMATE.start_main_~i~5 97), 242258#(<= ULTIMATE.start_main_~i~5 96), 242257#(<= ULTIMATE.start_main_~i~5 95), 242256#(<= ULTIMATE.start_main_~i~5 94), 242263#(<= ULTIMATE.start_main_~i~5 101), 242262#(<= ULTIMATE.start_main_~i~5 100), 242261#(<= ULTIMATE.start_main_~i~5 99), 242260#(<= ULTIMATE.start_main_~i~5 98), 242267#(<= ULTIMATE.start_main_~i~5 105), 242266#(<= ULTIMATE.start_main_~i~5 104), 242265#(<= ULTIMATE.start_main_~i~5 103), 242264#(<= ULTIMATE.start_main_~i~5 102), 242271#(<= ULTIMATE.start_main_~i~5 109), 242270#(<= ULTIMATE.start_main_~i~5 108), 242269#(<= ULTIMATE.start_main_~i~5 107), 242268#(<= ULTIMATE.start_main_~i~5 106), 242275#(<= ULTIMATE.start_main_~i~5 113), 242274#(<= ULTIMATE.start_main_~i~5 112), 242273#(<= ULTIMATE.start_main_~i~5 111), 242272#(<= ULTIMATE.start_main_~i~5 110), 242279#(<= ULTIMATE.start_main_~i~5 117), 242278#(<= ULTIMATE.start_main_~i~5 116), 242277#(<= ULTIMATE.start_main_~i~5 115), 242276#(<= ULTIMATE.start_main_~i~5 114), 242283#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 242282#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 117)), 242281#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 118)), 242280#(<= ULTIMATE.start_main_~i~5 118), 242287#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 242286#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 242285#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 242284#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 242291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 242290#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 242289#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 242288#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 242295#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 242294#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 242293#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 242292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 242299#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 242298#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 242297#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 242296#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 242303#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 242302#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 242301#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 242300#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 242307#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 242306#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 242305#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 242304#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 242311#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 242310#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 242309#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 242308#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 242315#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 242314#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 242313#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 242312#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 242319#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 242318#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 242317#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 242316#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 242323#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 242322#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 242321#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 242320#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 242327#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 242326#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 242325#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 242324#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 242331#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 242330#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 242329#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 242328#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 242335#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 242334#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 242333#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 242332#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 242339#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 242338#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 242337#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 242336#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 242343#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 242342#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 242341#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 242340#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 242347#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 242346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 242345#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 242344#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 242351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 242350#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 242349#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 242348#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 242355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 242354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 242353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 242352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 242359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 242358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 242357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 242356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 242363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 242362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 242361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 242360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 242367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 242366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 242365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 242364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 242371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 242370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 242369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 242368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 242375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 242374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 242373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 242372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 242379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 242378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 242377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 242376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 242383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 242382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 242381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 242380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 242387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 242386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 242385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 242384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 242391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 242390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 242389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 242388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 242395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 242394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 242393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 242392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 242399#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 242398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 242397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 242396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 242163#(<= ULTIMATE.start_main_~i~5 1), 242162#(<= ULTIMATE.start_main_~i~5 0), 242161#false, 242160#true, 242167#(<= ULTIMATE.start_main_~i~5 5), 242166#(<= ULTIMATE.start_main_~i~5 4), 242165#(<= ULTIMATE.start_main_~i~5 3), 242164#(<= ULTIMATE.start_main_~i~5 2), 242171#(<= ULTIMATE.start_main_~i~5 9), 242170#(<= ULTIMATE.start_main_~i~5 8), 242169#(<= ULTIMATE.start_main_~i~5 7), 242168#(<= ULTIMATE.start_main_~i~5 6), 242175#(<= ULTIMATE.start_main_~i~5 13), 242174#(<= ULTIMATE.start_main_~i~5 12), 242173#(<= ULTIMATE.start_main_~i~5 11), 242172#(<= ULTIMATE.start_main_~i~5 10)] [2018-07-23 13:49:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 28322 backedges. 14280 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:34,455 INFO L450 AbstractCegarLoop]: Interpolant automaton has 240 states [2018-07-23 13:49:34,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2018-07-23 13:49:34,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14519, Invalid=42841, Unknown=0, NotChecked=0, Total=57360 [2018-07-23 13:49:34,458 INFO L87 Difference]: Start difference. First operand 481 states and 482 transitions. Second operand 240 states. [2018-07-23 13:49:36,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:36,293 INFO L93 Difference]: Finished difference Result 725 states and 727 transitions. [2018-07-23 13:49:36,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2018-07-23 13:49:36,293 INFO L78 Accepts]: Start accepts. Automaton has 240 states. Word has length 480 [2018-07-23 13:49:36,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:36,294 INFO L225 Difference]: With dead ends: 725 [2018-07-23 13:49:36,294 INFO L226 Difference]: Without dead ends: 483 [2018-07-23 13:49:36,302 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20945 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=35700, Invalid=92106, Unknown=0, NotChecked=0, Total=127806 [2018-07-23 13:49:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-07-23 13:49:36,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2018-07-23 13:49:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-07-23 13:49:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 484 transitions. [2018-07-23 13:49:36,343 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 484 transitions. Word has length 480 [2018-07-23 13:49:36,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:36,343 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 484 transitions. [2018-07-23 13:49:36,344 INFO L472 AbstractCegarLoop]: Interpolant automaton has 240 states. [2018-07-23 13:49:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 484 transitions. [2018-07-23 13:49:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2018-07-23 13:49:36,345 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:36,345 INFO L357 BasicCegarLoop]: trace histogram [120, 120, 119, 119, 1, 1, 1, 1] [2018-07-23 13:49:36,345 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:36,345 INFO L82 PathProgramCache]: Analyzing trace with hash -735479005, now seen corresponding path program 179 times [2018-07-23 13:49:36,346 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 28560 backedges. 14280 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:38,532 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:38,532 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [240] total 240 [2018-07-23 13:49:38,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:38,533 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 13:49:38,533 INFO L185 omatonBuilderFactory]: Interpolants [245251#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 245250#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 245249#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 245248#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 245255#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 245254#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 245253#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 245252#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 245259#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 245258#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 245257#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 245256#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 245263#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 245262#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 245261#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 245260#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 245267#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 245266#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 245265#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 245264#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 245271#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 245270#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 245269#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 245268#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 245275#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 245274#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 245273#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 245272#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 245279#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 245278#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 245277#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 245276#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 245283#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 245282#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 245281#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 245280#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 245287#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 245286#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 245285#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 245284#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 245291#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 245290#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 245289#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 245288#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 245292#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 245055#(<= ULTIMATE.start_main_~i~5 1), 245054#(<= ULTIMATE.start_main_~i~5 0), 245053#false, 245052#true, 245059#(<= ULTIMATE.start_main_~i~5 5), 245058#(<= ULTIMATE.start_main_~i~5 4), 245057#(<= ULTIMATE.start_main_~i~5 3), 245056#(<= ULTIMATE.start_main_~i~5 2), 245063#(<= ULTIMATE.start_main_~i~5 9), 245062#(<= ULTIMATE.start_main_~i~5 8), 245061#(<= ULTIMATE.start_main_~i~5 7), 245060#(<= ULTIMATE.start_main_~i~5 6), 245067#(<= ULTIMATE.start_main_~i~5 13), 245066#(<= ULTIMATE.start_main_~i~5 12), 245065#(<= ULTIMATE.start_main_~i~5 11), 245064#(<= ULTIMATE.start_main_~i~5 10), 245071#(<= ULTIMATE.start_main_~i~5 17), 245070#(<= ULTIMATE.start_main_~i~5 16), 245069#(<= ULTIMATE.start_main_~i~5 15), 245068#(<= ULTIMATE.start_main_~i~5 14), 245075#(<= ULTIMATE.start_main_~i~5 21), 245074#(<= ULTIMATE.start_main_~i~5 20), 245073#(<= ULTIMATE.start_main_~i~5 19), 245072#(<= ULTIMATE.start_main_~i~5 18), 245079#(<= ULTIMATE.start_main_~i~5 25), 245078#(<= ULTIMATE.start_main_~i~5 24), 245077#(<= ULTIMATE.start_main_~i~5 23), 245076#(<= ULTIMATE.start_main_~i~5 22), 245083#(<= ULTIMATE.start_main_~i~5 29), 245082#(<= ULTIMATE.start_main_~i~5 28), 245081#(<= ULTIMATE.start_main_~i~5 27), 245080#(<= ULTIMATE.start_main_~i~5 26), 245087#(<= ULTIMATE.start_main_~i~5 33), 245086#(<= ULTIMATE.start_main_~i~5 32), 245085#(<= ULTIMATE.start_main_~i~5 31), 245084#(<= ULTIMATE.start_main_~i~5 30), 245091#(<= ULTIMATE.start_main_~i~5 37), 245090#(<= ULTIMATE.start_main_~i~5 36), 245089#(<= ULTIMATE.start_main_~i~5 35), 245088#(<= ULTIMATE.start_main_~i~5 34), 245095#(<= ULTIMATE.start_main_~i~5 41), 245094#(<= ULTIMATE.start_main_~i~5 40), 245093#(<= ULTIMATE.start_main_~i~5 39), 245092#(<= ULTIMATE.start_main_~i~5 38), 245099#(<= ULTIMATE.start_main_~i~5 45), 245098#(<= ULTIMATE.start_main_~i~5 44), 245097#(<= ULTIMATE.start_main_~i~5 43), 245096#(<= ULTIMATE.start_main_~i~5 42), 245103#(<= ULTIMATE.start_main_~i~5 49), 245102#(<= ULTIMATE.start_main_~i~5 48), 245101#(<= ULTIMATE.start_main_~i~5 47), 245100#(<= ULTIMATE.start_main_~i~5 46), 245107#(<= ULTIMATE.start_main_~i~5 53), 245106#(<= ULTIMATE.start_main_~i~5 52), 245105#(<= ULTIMATE.start_main_~i~5 51), 245104#(<= ULTIMATE.start_main_~i~5 50), 245111#(<= ULTIMATE.start_main_~i~5 57), 245110#(<= ULTIMATE.start_main_~i~5 56), 245109#(<= ULTIMATE.start_main_~i~5 55), 245108#(<= ULTIMATE.start_main_~i~5 54), 245115#(<= ULTIMATE.start_main_~i~5 61), 245114#(<= ULTIMATE.start_main_~i~5 60), 245113#(<= ULTIMATE.start_main_~i~5 59), 245112#(<= ULTIMATE.start_main_~i~5 58), 245119#(<= ULTIMATE.start_main_~i~5 65), 245118#(<= ULTIMATE.start_main_~i~5 64), 245117#(<= ULTIMATE.start_main_~i~5 63), 245116#(<= ULTIMATE.start_main_~i~5 62), 245123#(<= ULTIMATE.start_main_~i~5 69), 245122#(<= ULTIMATE.start_main_~i~5 68), 245121#(<= ULTIMATE.start_main_~i~5 67), 245120#(<= ULTIMATE.start_main_~i~5 66), 245127#(<= ULTIMATE.start_main_~i~5 73), 245126#(<= ULTIMATE.start_main_~i~5 72), 245125#(<= ULTIMATE.start_main_~i~5 71), 245124#(<= ULTIMATE.start_main_~i~5 70), 245131#(<= ULTIMATE.start_main_~i~5 77), 245130#(<= ULTIMATE.start_main_~i~5 76), 245129#(<= ULTIMATE.start_main_~i~5 75), 245128#(<= ULTIMATE.start_main_~i~5 74), 245135#(<= ULTIMATE.start_main_~i~5 81), 245134#(<= ULTIMATE.start_main_~i~5 80), 245133#(<= ULTIMATE.start_main_~i~5 79), 245132#(<= ULTIMATE.start_main_~i~5 78), 245139#(<= ULTIMATE.start_main_~i~5 85), 245138#(<= ULTIMATE.start_main_~i~5 84), 245137#(<= ULTIMATE.start_main_~i~5 83), 245136#(<= ULTIMATE.start_main_~i~5 82), 245143#(<= ULTIMATE.start_main_~i~5 89), 245142#(<= ULTIMATE.start_main_~i~5 88), 245141#(<= ULTIMATE.start_main_~i~5 87), 245140#(<= ULTIMATE.start_main_~i~5 86), 245147#(<= ULTIMATE.start_main_~i~5 93), 245146#(<= ULTIMATE.start_main_~i~5 92), 245145#(<= ULTIMATE.start_main_~i~5 91), 245144#(<= ULTIMATE.start_main_~i~5 90), 245151#(<= ULTIMATE.start_main_~i~5 97), 245150#(<= ULTIMATE.start_main_~i~5 96), 245149#(<= ULTIMATE.start_main_~i~5 95), 245148#(<= ULTIMATE.start_main_~i~5 94), 245155#(<= ULTIMATE.start_main_~i~5 101), 245154#(<= ULTIMATE.start_main_~i~5 100), 245153#(<= ULTIMATE.start_main_~i~5 99), 245152#(<= ULTIMATE.start_main_~i~5 98), 245159#(<= ULTIMATE.start_main_~i~5 105), 245158#(<= ULTIMATE.start_main_~i~5 104), 245157#(<= ULTIMATE.start_main_~i~5 103), 245156#(<= ULTIMATE.start_main_~i~5 102), 245163#(<= ULTIMATE.start_main_~i~5 109), 245162#(<= ULTIMATE.start_main_~i~5 108), 245161#(<= ULTIMATE.start_main_~i~5 107), 245160#(<= ULTIMATE.start_main_~i~5 106), 245167#(<= ULTIMATE.start_main_~i~5 113), 245166#(<= ULTIMATE.start_main_~i~5 112), 245165#(<= ULTIMATE.start_main_~i~5 111), 245164#(<= ULTIMATE.start_main_~i~5 110), 245171#(<= ULTIMATE.start_main_~i~5 117), 245170#(<= ULTIMATE.start_main_~i~5 116), 245169#(<= ULTIMATE.start_main_~i~5 115), 245168#(<= ULTIMATE.start_main_~i~5 114), 245175#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 118)), 245174#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 119)), 245173#(<= ULTIMATE.start_main_~i~5 119), 245172#(<= ULTIMATE.start_main_~i~5 118), 245179#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 245178#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 245177#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 245176#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 117)), 245183#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 245182#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 245181#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 245180#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 245187#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 245186#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 245185#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 245184#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 245191#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 245190#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 245189#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 245188#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 245195#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 245194#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 245193#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 245192#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 245199#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 245198#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 245197#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 245196#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 245203#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 245202#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 245201#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 245200#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 245207#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 245206#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 245205#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 245204#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 245211#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 245210#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 245209#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 245208#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 245215#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 245214#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 245213#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 245212#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 245219#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 245218#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 245217#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 245216#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 245223#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 245222#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 245221#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 245220#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 245227#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 245226#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 245225#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 245224#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 245231#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 245230#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 245229#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 245228#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 245235#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 245234#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 245233#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 245232#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 245239#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 245238#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 245237#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 245236#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 245243#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 245242#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 245241#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 245240#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 245247#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 245246#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 245245#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 245244#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49))] [2018-07-23 13:49:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 28560 backedges. 14280 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:38,534 INFO L450 AbstractCegarLoop]: Interpolant automaton has 241 states [2018-07-23 13:49:38,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2018-07-23 13:49:38,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14640, Invalid=43200, Unknown=0, NotChecked=0, Total=57840 [2018-07-23 13:49:38,537 INFO L87 Difference]: Start difference. First operand 483 states and 484 transitions. Second operand 241 states. [2018-07-23 13:49:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:40,496 INFO L93 Difference]: Finished difference Result 727 states and 729 transitions. [2018-07-23 13:49:40,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2018-07-23 13:49:40,496 INFO L78 Accepts]: Start accepts. Automaton has 241 states. Word has length 482 [2018-07-23 13:49:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:40,497 INFO L225 Difference]: With dead ends: 727 [2018-07-23 13:49:40,497 INFO L226 Difference]: Without dead ends: 485 [2018-07-23 13:49:40,503 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21064 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=36179, Invalid=93061, Unknown=0, NotChecked=0, Total=129240 [2018-07-23 13:49:40,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-07-23 13:49:40,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2018-07-23 13:49:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-07-23 13:49:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 486 transitions. [2018-07-23 13:49:40,545 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 486 transitions. Word has length 482 [2018-07-23 13:49:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:40,545 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 486 transitions. [2018-07-23 13:49:40,545 INFO L472 AbstractCegarLoop]: Interpolant automaton has 241 states. [2018-07-23 13:49:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 486 transitions. [2018-07-23 13:49:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-07-23 13:49:40,546 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:40,547 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 120, 119, 1, 1, 1, 1] [2018-07-23 13:49:40,547 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:40,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1680373985, now seen corresponding path program 180 times [2018-07-23 13:49:40,547 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 28800 backedges. 14520 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,965 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:41,965 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:49:41,965 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:41,965 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 13:49:41,966 INFO L185 omatonBuilderFactory]: Interpolants [248067#(<= 110 ULTIMATE.start_main_~k~5), 248066#(<= 109 ULTIMATE.start_main_~k~5), 248065#(<= 108 ULTIMATE.start_main_~k~5), 248064#(<= 107 ULTIMATE.start_main_~k~5), 248071#(<= 114 ULTIMATE.start_main_~k~5), 248070#(<= 113 ULTIMATE.start_main_~k~5), 248069#(<= 112 ULTIMATE.start_main_~k~5), 248068#(<= 111 ULTIMATE.start_main_~k~5), 248075#(<= 118 ULTIMATE.start_main_~k~5), 248074#(<= 117 ULTIMATE.start_main_~k~5), 248073#(<= 116 ULTIMATE.start_main_~k~5), 248072#(<= 115 ULTIMATE.start_main_~k~5), 248079#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 248078#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 120 ULTIMATE.start_main_~k~5)), 248077#(<= 120 ULTIMATE.start_main_~k~5), 248076#(<= 119 ULTIMATE.start_main_~k~5), 247955#true, 247959#(<= 2 ULTIMATE.start_main_~k~5), 247958#(<= 1 ULTIMATE.start_main_~k~5), 247957#(<= 0 ULTIMATE.start_main_~k~5), 247956#false, 247963#(<= 6 ULTIMATE.start_main_~k~5), 247962#(<= 5 ULTIMATE.start_main_~k~5), 247961#(<= 4 ULTIMATE.start_main_~k~5), 247960#(<= 3 ULTIMATE.start_main_~k~5), 247967#(<= 10 ULTIMATE.start_main_~k~5), 247966#(<= 9 ULTIMATE.start_main_~k~5), 247965#(<= 8 ULTIMATE.start_main_~k~5), 247964#(<= 7 ULTIMATE.start_main_~k~5), 247971#(<= 14 ULTIMATE.start_main_~k~5), 247970#(<= 13 ULTIMATE.start_main_~k~5), 247969#(<= 12 ULTIMATE.start_main_~k~5), 247968#(<= 11 ULTIMATE.start_main_~k~5), 247975#(<= 18 ULTIMATE.start_main_~k~5), 247974#(<= 17 ULTIMATE.start_main_~k~5), 247973#(<= 16 ULTIMATE.start_main_~k~5), 247972#(<= 15 ULTIMATE.start_main_~k~5), 247979#(<= 22 ULTIMATE.start_main_~k~5), 247978#(<= 21 ULTIMATE.start_main_~k~5), 247977#(<= 20 ULTIMATE.start_main_~k~5), 247976#(<= 19 ULTIMATE.start_main_~k~5), 247983#(<= 26 ULTIMATE.start_main_~k~5), 247982#(<= 25 ULTIMATE.start_main_~k~5), 247981#(<= 24 ULTIMATE.start_main_~k~5), 247980#(<= 23 ULTIMATE.start_main_~k~5), 247987#(<= 30 ULTIMATE.start_main_~k~5), 247986#(<= 29 ULTIMATE.start_main_~k~5), 247985#(<= 28 ULTIMATE.start_main_~k~5), 247984#(<= 27 ULTIMATE.start_main_~k~5), 247991#(<= 34 ULTIMATE.start_main_~k~5), 247990#(<= 33 ULTIMATE.start_main_~k~5), 247989#(<= 32 ULTIMATE.start_main_~k~5), 247988#(<= 31 ULTIMATE.start_main_~k~5), 247995#(<= 38 ULTIMATE.start_main_~k~5), 247994#(<= 37 ULTIMATE.start_main_~k~5), 247993#(<= 36 ULTIMATE.start_main_~k~5), 247992#(<= 35 ULTIMATE.start_main_~k~5), 247999#(<= 42 ULTIMATE.start_main_~k~5), 247998#(<= 41 ULTIMATE.start_main_~k~5), 247997#(<= 40 ULTIMATE.start_main_~k~5), 247996#(<= 39 ULTIMATE.start_main_~k~5), 248003#(<= 46 ULTIMATE.start_main_~k~5), 248002#(<= 45 ULTIMATE.start_main_~k~5), 248001#(<= 44 ULTIMATE.start_main_~k~5), 248000#(<= 43 ULTIMATE.start_main_~k~5), 248007#(<= 50 ULTIMATE.start_main_~k~5), 248006#(<= 49 ULTIMATE.start_main_~k~5), 248005#(<= 48 ULTIMATE.start_main_~k~5), 248004#(<= 47 ULTIMATE.start_main_~k~5), 248011#(<= 54 ULTIMATE.start_main_~k~5), 248010#(<= 53 ULTIMATE.start_main_~k~5), 248009#(<= 52 ULTIMATE.start_main_~k~5), 248008#(<= 51 ULTIMATE.start_main_~k~5), 248015#(<= 58 ULTIMATE.start_main_~k~5), 248014#(<= 57 ULTIMATE.start_main_~k~5), 248013#(<= 56 ULTIMATE.start_main_~k~5), 248012#(<= 55 ULTIMATE.start_main_~k~5), 248019#(<= 62 ULTIMATE.start_main_~k~5), 248018#(<= 61 ULTIMATE.start_main_~k~5), 248017#(<= 60 ULTIMATE.start_main_~k~5), 248016#(<= 59 ULTIMATE.start_main_~k~5), 248023#(<= 66 ULTIMATE.start_main_~k~5), 248022#(<= 65 ULTIMATE.start_main_~k~5), 248021#(<= 64 ULTIMATE.start_main_~k~5), 248020#(<= 63 ULTIMATE.start_main_~k~5), 248027#(<= 70 ULTIMATE.start_main_~k~5), 248026#(<= 69 ULTIMATE.start_main_~k~5), 248025#(<= 68 ULTIMATE.start_main_~k~5), 248024#(<= 67 ULTIMATE.start_main_~k~5), 248031#(<= 74 ULTIMATE.start_main_~k~5), 248030#(<= 73 ULTIMATE.start_main_~k~5), 248029#(<= 72 ULTIMATE.start_main_~k~5), 248028#(<= 71 ULTIMATE.start_main_~k~5), 248035#(<= 78 ULTIMATE.start_main_~k~5), 248034#(<= 77 ULTIMATE.start_main_~k~5), 248033#(<= 76 ULTIMATE.start_main_~k~5), 248032#(<= 75 ULTIMATE.start_main_~k~5), 248039#(<= 82 ULTIMATE.start_main_~k~5), 248038#(<= 81 ULTIMATE.start_main_~k~5), 248037#(<= 80 ULTIMATE.start_main_~k~5), 248036#(<= 79 ULTIMATE.start_main_~k~5), 248043#(<= 86 ULTIMATE.start_main_~k~5), 248042#(<= 85 ULTIMATE.start_main_~k~5), 248041#(<= 84 ULTIMATE.start_main_~k~5), 248040#(<= 83 ULTIMATE.start_main_~k~5), 248047#(<= 90 ULTIMATE.start_main_~k~5), 248046#(<= 89 ULTIMATE.start_main_~k~5), 248045#(<= 88 ULTIMATE.start_main_~k~5), 248044#(<= 87 ULTIMATE.start_main_~k~5), 248051#(<= 94 ULTIMATE.start_main_~k~5), 248050#(<= 93 ULTIMATE.start_main_~k~5), 248049#(<= 92 ULTIMATE.start_main_~k~5), 248048#(<= 91 ULTIMATE.start_main_~k~5), 248055#(<= 98 ULTIMATE.start_main_~k~5), 248054#(<= 97 ULTIMATE.start_main_~k~5), 248053#(<= 96 ULTIMATE.start_main_~k~5), 248052#(<= 95 ULTIMATE.start_main_~k~5), 248059#(<= 102 ULTIMATE.start_main_~k~5), 248058#(<= 101 ULTIMATE.start_main_~k~5), 248057#(<= 100 ULTIMATE.start_main_~k~5), 248056#(<= 99 ULTIMATE.start_main_~k~5), 248063#(<= 106 ULTIMATE.start_main_~k~5), 248062#(<= 105 ULTIMATE.start_main_~k~5), 248061#(<= 104 ULTIMATE.start_main_~k~5), 248060#(<= 103 ULTIMATE.start_main_~k~5)] [2018-07-23 13:49:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 28800 backedges. 14520 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,967 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:49:41,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:49:41,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7628, Invalid=7872, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:49:41,968 INFO L87 Difference]: Start difference. First operand 485 states and 486 transitions. Second operand 125 states. [2018-07-23 13:49:42,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:42,676 INFO L93 Difference]: Finished difference Result 491 states and 493 transitions. [2018-07-23 13:49:42,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2018-07-23 13:49:42,677 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 484 [2018-07-23 13:49:42,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:42,678 INFO L225 Difference]: With dead ends: 491 [2018-07-23 13:49:42,678 INFO L226 Difference]: Without dead ends: 489 [2018-07-23 13:49:42,680 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14641 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22633, Invalid=37637, Unknown=0, NotChecked=0, Total=60270 [2018-07-23 13:49:42,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-07-23 13:49:42,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-07-23 13:49:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-07-23 13:49:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 490 transitions. [2018-07-23 13:49:42,723 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 490 transitions. Word has length 484 [2018-07-23 13:49:42,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:42,723 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 490 transitions. [2018-07-23 13:49:42,723 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:49:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 490 transitions. [2018-07-23 13:49:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2018-07-23 13:49:42,725 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:42,725 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 121, 120, 1, 1, 1, 1] [2018-07-23 13:49:42,725 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:42,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1265713683, now seen corresponding path program 181 times [2018-07-23 13:49:42,725 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 29282 backedges. 14762 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:45,075 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:45,075 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [243] total 243 [2018-07-23 13:49:45,075 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:45,076 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 13:49:45,076 INFO L185 omatonBuilderFactory]: Interpolants [250371#(<= ULTIMATE.start_main_~i~5 87), 250370#(<= ULTIMATE.start_main_~i~5 86), 250369#(<= ULTIMATE.start_main_~i~5 85), 250368#(<= ULTIMATE.start_main_~i~5 84), 250375#(<= ULTIMATE.start_main_~i~5 91), 250374#(<= ULTIMATE.start_main_~i~5 90), 250373#(<= ULTIMATE.start_main_~i~5 89), 250372#(<= ULTIMATE.start_main_~i~5 88), 250379#(<= ULTIMATE.start_main_~i~5 95), 250378#(<= ULTIMATE.start_main_~i~5 94), 250377#(<= ULTIMATE.start_main_~i~5 93), 250376#(<= ULTIMATE.start_main_~i~5 92), 250383#(<= ULTIMATE.start_main_~i~5 99), 250382#(<= ULTIMATE.start_main_~i~5 98), 250381#(<= ULTIMATE.start_main_~i~5 97), 250380#(<= ULTIMATE.start_main_~i~5 96), 250387#(<= ULTIMATE.start_main_~i~5 103), 250386#(<= ULTIMATE.start_main_~i~5 102), 250385#(<= ULTIMATE.start_main_~i~5 101), 250384#(<= ULTIMATE.start_main_~i~5 100), 250391#(<= ULTIMATE.start_main_~i~5 107), 250390#(<= ULTIMATE.start_main_~i~5 106), 250389#(<= ULTIMATE.start_main_~i~5 105), 250388#(<= ULTIMATE.start_main_~i~5 104), 250395#(<= ULTIMATE.start_main_~i~5 111), 250394#(<= ULTIMATE.start_main_~i~5 110), 250393#(<= ULTIMATE.start_main_~i~5 109), 250392#(<= ULTIMATE.start_main_~i~5 108), 250399#(<= ULTIMATE.start_main_~i~5 115), 250398#(<= ULTIMATE.start_main_~i~5 114), 250397#(<= ULTIMATE.start_main_~i~5 113), 250396#(<= ULTIMATE.start_main_~i~5 112), 250403#(<= ULTIMATE.start_main_~i~5 119), 250402#(<= ULTIMATE.start_main_~i~5 118), 250401#(<= ULTIMATE.start_main_~i~5 117), 250400#(<= ULTIMATE.start_main_~i~5 116), 250407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 118)), 250406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 119)), 250405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 120)), 250404#(<= ULTIMATE.start_main_~i~5 120), 250411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 250410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 250409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 250408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 117)), 250415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 250414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 250413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 250412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 250419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 250418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 250417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 250416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 250423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 250422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 250421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 250420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 250427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 250426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 250425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 250424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 250431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 250430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 250429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 250428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 250435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 250434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 250433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 250432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 250439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 250438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 250437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 250436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 250443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 250442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 250441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 250440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 250447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 250446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 250445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 250444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 250451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 250450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 250449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 250448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 250455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 250454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 250453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 250452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 250459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 250458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 250457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 250456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 250463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 250462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 250461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 250460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 250467#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 250466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 250465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 250464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 250471#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 250470#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 250469#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 250468#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 250475#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 250474#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 250473#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 250472#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 250479#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 250478#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 250477#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 250476#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 250483#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 250482#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 250481#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 250480#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 250487#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 250486#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 250485#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 250484#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 250491#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 250490#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 250489#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 250488#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 250495#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 250494#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 250493#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 250492#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 250499#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 250498#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 250497#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 250496#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 250503#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 250502#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 250501#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 250500#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 250507#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 250506#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 250505#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 250504#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 250511#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 250510#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 250509#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 250508#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 250515#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 250514#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 250513#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 250512#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 250519#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 250518#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 250517#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 250516#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 250523#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 250522#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 250521#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 250520#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 250525#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 250524#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 250283#false, 250282#true, 250287#(<= ULTIMATE.start_main_~i~5 3), 250286#(<= ULTIMATE.start_main_~i~5 2), 250285#(<= ULTIMATE.start_main_~i~5 1), 250284#(<= ULTIMATE.start_main_~i~5 0), 250291#(<= ULTIMATE.start_main_~i~5 7), 250290#(<= ULTIMATE.start_main_~i~5 6), 250289#(<= ULTIMATE.start_main_~i~5 5), 250288#(<= ULTIMATE.start_main_~i~5 4), 250295#(<= ULTIMATE.start_main_~i~5 11), 250294#(<= ULTIMATE.start_main_~i~5 10), 250293#(<= ULTIMATE.start_main_~i~5 9), 250292#(<= ULTIMATE.start_main_~i~5 8), 250299#(<= ULTIMATE.start_main_~i~5 15), 250298#(<= ULTIMATE.start_main_~i~5 14), 250297#(<= ULTIMATE.start_main_~i~5 13), 250296#(<= ULTIMATE.start_main_~i~5 12), 250303#(<= ULTIMATE.start_main_~i~5 19), 250302#(<= ULTIMATE.start_main_~i~5 18), 250301#(<= ULTIMATE.start_main_~i~5 17), 250300#(<= ULTIMATE.start_main_~i~5 16), 250307#(<= ULTIMATE.start_main_~i~5 23), 250306#(<= ULTIMATE.start_main_~i~5 22), 250305#(<= ULTIMATE.start_main_~i~5 21), 250304#(<= ULTIMATE.start_main_~i~5 20), 250311#(<= ULTIMATE.start_main_~i~5 27), 250310#(<= ULTIMATE.start_main_~i~5 26), 250309#(<= ULTIMATE.start_main_~i~5 25), 250308#(<= ULTIMATE.start_main_~i~5 24), 250315#(<= ULTIMATE.start_main_~i~5 31), 250314#(<= ULTIMATE.start_main_~i~5 30), 250313#(<= ULTIMATE.start_main_~i~5 29), 250312#(<= ULTIMATE.start_main_~i~5 28), 250319#(<= ULTIMATE.start_main_~i~5 35), 250318#(<= ULTIMATE.start_main_~i~5 34), 250317#(<= ULTIMATE.start_main_~i~5 33), 250316#(<= ULTIMATE.start_main_~i~5 32), 250323#(<= ULTIMATE.start_main_~i~5 39), 250322#(<= ULTIMATE.start_main_~i~5 38), 250321#(<= ULTIMATE.start_main_~i~5 37), 250320#(<= ULTIMATE.start_main_~i~5 36), 250327#(<= ULTIMATE.start_main_~i~5 43), 250326#(<= ULTIMATE.start_main_~i~5 42), 250325#(<= ULTIMATE.start_main_~i~5 41), 250324#(<= ULTIMATE.start_main_~i~5 40), 250331#(<= ULTIMATE.start_main_~i~5 47), 250330#(<= ULTIMATE.start_main_~i~5 46), 250329#(<= ULTIMATE.start_main_~i~5 45), 250328#(<= ULTIMATE.start_main_~i~5 44), 250335#(<= ULTIMATE.start_main_~i~5 51), 250334#(<= ULTIMATE.start_main_~i~5 50), 250333#(<= ULTIMATE.start_main_~i~5 49), 250332#(<= ULTIMATE.start_main_~i~5 48), 250339#(<= ULTIMATE.start_main_~i~5 55), 250338#(<= ULTIMATE.start_main_~i~5 54), 250337#(<= ULTIMATE.start_main_~i~5 53), 250336#(<= ULTIMATE.start_main_~i~5 52), 250343#(<= ULTIMATE.start_main_~i~5 59), 250342#(<= ULTIMATE.start_main_~i~5 58), 250341#(<= ULTIMATE.start_main_~i~5 57), 250340#(<= ULTIMATE.start_main_~i~5 56), 250347#(<= ULTIMATE.start_main_~i~5 63), 250346#(<= ULTIMATE.start_main_~i~5 62), 250345#(<= ULTIMATE.start_main_~i~5 61), 250344#(<= ULTIMATE.start_main_~i~5 60), 250351#(<= ULTIMATE.start_main_~i~5 67), 250350#(<= ULTIMATE.start_main_~i~5 66), 250349#(<= ULTIMATE.start_main_~i~5 65), 250348#(<= ULTIMATE.start_main_~i~5 64), 250355#(<= ULTIMATE.start_main_~i~5 71), 250354#(<= ULTIMATE.start_main_~i~5 70), 250353#(<= ULTIMATE.start_main_~i~5 69), 250352#(<= ULTIMATE.start_main_~i~5 68), 250359#(<= ULTIMATE.start_main_~i~5 75), 250358#(<= ULTIMATE.start_main_~i~5 74), 250357#(<= ULTIMATE.start_main_~i~5 73), 250356#(<= ULTIMATE.start_main_~i~5 72), 250363#(<= ULTIMATE.start_main_~i~5 79), 250362#(<= ULTIMATE.start_main_~i~5 78), 250361#(<= ULTIMATE.start_main_~i~5 77), 250360#(<= ULTIMATE.start_main_~i~5 76), 250367#(<= ULTIMATE.start_main_~i~5 83), 250366#(<= ULTIMATE.start_main_~i~5 82), 250365#(<= ULTIMATE.start_main_~i~5 81), 250364#(<= ULTIMATE.start_main_~i~5 80)] [2018-07-23 13:49:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 29282 backedges. 14762 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:45,078 INFO L450 AbstractCegarLoop]: Interpolant automaton has 244 states [2018-07-23 13:49:45,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2018-07-23 13:49:45,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15005, Invalid=44287, Unknown=0, NotChecked=0, Total=59292 [2018-07-23 13:49:45,081 INFO L87 Difference]: Start difference. First operand 489 states and 490 transitions. Second operand 244 states. [2018-07-23 13:49:46,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:46,783 INFO L93 Difference]: Finished difference Result 737 states and 739 transitions. [2018-07-23 13:49:46,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2018-07-23 13:49:46,783 INFO L78 Accepts]: Start accepts. Automaton has 244 states. Word has length 488 [2018-07-23 13:49:46,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:46,784 INFO L225 Difference]: With dead ends: 737 [2018-07-23 13:49:46,784 INFO L226 Difference]: Without dead ends: 491 [2018-07-23 13:49:46,789 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21660 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=36905, Invalid=95227, Unknown=0, NotChecked=0, Total=132132 [2018-07-23 13:49:46,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2018-07-23 13:49:46,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2018-07-23 13:49:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-07-23 13:49:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 492 transitions. [2018-07-23 13:49:46,832 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 492 transitions. Word has length 488 [2018-07-23 13:49:46,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:46,832 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 492 transitions. [2018-07-23 13:49:46,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 244 states. [2018-07-23 13:49:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 492 transitions. [2018-07-23 13:49:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-07-23 13:49:46,834 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:46,834 INFO L357 BasicCegarLoop]: trace histogram [122, 122, 121, 121, 1, 1, 1, 1] [2018-07-23 13:49:46,834 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:46,834 INFO L82 PathProgramCache]: Analyzing trace with hash 265117967, now seen corresponding path program 182 times [2018-07-23 13:49:46,834 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 14762 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:49,214 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:49,215 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [244] total 244 [2018-07-23 13:49:49,215 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:49,215 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 13:49:49,215 INFO L185 omatonBuilderFactory]: Interpolants [253443#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 253442#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 253441#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 253440#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 253447#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 253446#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 253445#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 253444#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 253451#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 253450#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 253449#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 253448#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 253455#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 253454#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 253453#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 253452#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 253459#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 253458#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 253457#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 253456#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 253463#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 253462#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 253461#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 253460#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 253466#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 253465#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 253464#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 253223#false, 253222#true, 253227#(<= ULTIMATE.start_main_~i~5 3), 253226#(<= ULTIMATE.start_main_~i~5 2), 253225#(<= ULTIMATE.start_main_~i~5 1), 253224#(<= ULTIMATE.start_main_~i~5 0), 253231#(<= ULTIMATE.start_main_~i~5 7), 253230#(<= ULTIMATE.start_main_~i~5 6), 253229#(<= ULTIMATE.start_main_~i~5 5), 253228#(<= ULTIMATE.start_main_~i~5 4), 253235#(<= ULTIMATE.start_main_~i~5 11), 253234#(<= ULTIMATE.start_main_~i~5 10), 253233#(<= ULTIMATE.start_main_~i~5 9), 253232#(<= ULTIMATE.start_main_~i~5 8), 253239#(<= ULTIMATE.start_main_~i~5 15), 253238#(<= ULTIMATE.start_main_~i~5 14), 253237#(<= ULTIMATE.start_main_~i~5 13), 253236#(<= ULTIMATE.start_main_~i~5 12), 253243#(<= ULTIMATE.start_main_~i~5 19), 253242#(<= ULTIMATE.start_main_~i~5 18), 253241#(<= ULTIMATE.start_main_~i~5 17), 253240#(<= ULTIMATE.start_main_~i~5 16), 253247#(<= ULTIMATE.start_main_~i~5 23), 253246#(<= ULTIMATE.start_main_~i~5 22), 253245#(<= ULTIMATE.start_main_~i~5 21), 253244#(<= ULTIMATE.start_main_~i~5 20), 253251#(<= ULTIMATE.start_main_~i~5 27), 253250#(<= ULTIMATE.start_main_~i~5 26), 253249#(<= ULTIMATE.start_main_~i~5 25), 253248#(<= ULTIMATE.start_main_~i~5 24), 253255#(<= ULTIMATE.start_main_~i~5 31), 253254#(<= ULTIMATE.start_main_~i~5 30), 253253#(<= ULTIMATE.start_main_~i~5 29), 253252#(<= ULTIMATE.start_main_~i~5 28), 253259#(<= ULTIMATE.start_main_~i~5 35), 253258#(<= ULTIMATE.start_main_~i~5 34), 253257#(<= ULTIMATE.start_main_~i~5 33), 253256#(<= ULTIMATE.start_main_~i~5 32), 253263#(<= ULTIMATE.start_main_~i~5 39), 253262#(<= ULTIMATE.start_main_~i~5 38), 253261#(<= ULTIMATE.start_main_~i~5 37), 253260#(<= ULTIMATE.start_main_~i~5 36), 253267#(<= ULTIMATE.start_main_~i~5 43), 253266#(<= ULTIMATE.start_main_~i~5 42), 253265#(<= ULTIMATE.start_main_~i~5 41), 253264#(<= ULTIMATE.start_main_~i~5 40), 253271#(<= ULTIMATE.start_main_~i~5 47), 253270#(<= ULTIMATE.start_main_~i~5 46), 253269#(<= ULTIMATE.start_main_~i~5 45), 253268#(<= ULTIMATE.start_main_~i~5 44), 253275#(<= ULTIMATE.start_main_~i~5 51), 253274#(<= ULTIMATE.start_main_~i~5 50), 253273#(<= ULTIMATE.start_main_~i~5 49), 253272#(<= ULTIMATE.start_main_~i~5 48), 253279#(<= ULTIMATE.start_main_~i~5 55), 253278#(<= ULTIMATE.start_main_~i~5 54), 253277#(<= ULTIMATE.start_main_~i~5 53), 253276#(<= ULTIMATE.start_main_~i~5 52), 253283#(<= ULTIMATE.start_main_~i~5 59), 253282#(<= ULTIMATE.start_main_~i~5 58), 253281#(<= ULTIMATE.start_main_~i~5 57), 253280#(<= ULTIMATE.start_main_~i~5 56), 253287#(<= ULTIMATE.start_main_~i~5 63), 253286#(<= ULTIMATE.start_main_~i~5 62), 253285#(<= ULTIMATE.start_main_~i~5 61), 253284#(<= ULTIMATE.start_main_~i~5 60), 253291#(<= ULTIMATE.start_main_~i~5 67), 253290#(<= ULTIMATE.start_main_~i~5 66), 253289#(<= ULTIMATE.start_main_~i~5 65), 253288#(<= ULTIMATE.start_main_~i~5 64), 253295#(<= ULTIMATE.start_main_~i~5 71), 253294#(<= ULTIMATE.start_main_~i~5 70), 253293#(<= ULTIMATE.start_main_~i~5 69), 253292#(<= ULTIMATE.start_main_~i~5 68), 253299#(<= ULTIMATE.start_main_~i~5 75), 253298#(<= ULTIMATE.start_main_~i~5 74), 253297#(<= ULTIMATE.start_main_~i~5 73), 253296#(<= ULTIMATE.start_main_~i~5 72), 253303#(<= ULTIMATE.start_main_~i~5 79), 253302#(<= ULTIMATE.start_main_~i~5 78), 253301#(<= ULTIMATE.start_main_~i~5 77), 253300#(<= ULTIMATE.start_main_~i~5 76), 253307#(<= ULTIMATE.start_main_~i~5 83), 253306#(<= ULTIMATE.start_main_~i~5 82), 253305#(<= ULTIMATE.start_main_~i~5 81), 253304#(<= ULTIMATE.start_main_~i~5 80), 253311#(<= ULTIMATE.start_main_~i~5 87), 253310#(<= ULTIMATE.start_main_~i~5 86), 253309#(<= ULTIMATE.start_main_~i~5 85), 253308#(<= ULTIMATE.start_main_~i~5 84), 253315#(<= ULTIMATE.start_main_~i~5 91), 253314#(<= ULTIMATE.start_main_~i~5 90), 253313#(<= ULTIMATE.start_main_~i~5 89), 253312#(<= ULTIMATE.start_main_~i~5 88), 253319#(<= ULTIMATE.start_main_~i~5 95), 253318#(<= ULTIMATE.start_main_~i~5 94), 253317#(<= ULTIMATE.start_main_~i~5 93), 253316#(<= ULTIMATE.start_main_~i~5 92), 253323#(<= ULTIMATE.start_main_~i~5 99), 253322#(<= ULTIMATE.start_main_~i~5 98), 253321#(<= ULTIMATE.start_main_~i~5 97), 253320#(<= ULTIMATE.start_main_~i~5 96), 253327#(<= ULTIMATE.start_main_~i~5 103), 253326#(<= ULTIMATE.start_main_~i~5 102), 253325#(<= ULTIMATE.start_main_~i~5 101), 253324#(<= ULTIMATE.start_main_~i~5 100), 253331#(<= ULTIMATE.start_main_~i~5 107), 253330#(<= ULTIMATE.start_main_~i~5 106), 253329#(<= ULTIMATE.start_main_~i~5 105), 253328#(<= ULTIMATE.start_main_~i~5 104), 253335#(<= ULTIMATE.start_main_~i~5 111), 253334#(<= ULTIMATE.start_main_~i~5 110), 253333#(<= ULTIMATE.start_main_~i~5 109), 253332#(<= ULTIMATE.start_main_~i~5 108), 253339#(<= ULTIMATE.start_main_~i~5 115), 253338#(<= ULTIMATE.start_main_~i~5 114), 253337#(<= ULTIMATE.start_main_~i~5 113), 253336#(<= ULTIMATE.start_main_~i~5 112), 253343#(<= ULTIMATE.start_main_~i~5 119), 253342#(<= ULTIMATE.start_main_~i~5 118), 253341#(<= ULTIMATE.start_main_~i~5 117), 253340#(<= ULTIMATE.start_main_~i~5 116), 253347#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 120)), 253346#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 121)), 253345#(<= ULTIMATE.start_main_~i~5 121), 253344#(<= ULTIMATE.start_main_~i~5 120), 253351#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 253350#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 117)), 253349#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 118)), 253348#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 119)), 253355#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 253354#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 253353#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 253352#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 253359#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 253358#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 253357#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 253356#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 253363#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 253362#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 253361#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 253360#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 253367#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 253366#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 253365#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 253364#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 253371#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 253370#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 253369#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 253368#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 253375#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 253374#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 253373#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 253372#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 253379#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 253378#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 253377#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 253376#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 253383#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 253382#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 253381#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 253380#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 253387#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 253386#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 253385#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 253384#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 253391#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 253390#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 253389#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 253388#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 253395#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 253394#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 253393#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 253392#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 253399#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 253398#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 253397#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 253396#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 253403#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 253402#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 253401#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 253400#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 253407#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 253406#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 253405#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 253404#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 253411#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 253410#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 253409#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 253408#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 253415#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 253414#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 253413#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 253412#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 253419#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 253418#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 253417#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 253416#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 253423#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 253422#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 253421#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 253420#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 253427#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 253426#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 253425#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 253424#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 253431#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 253430#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 253429#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 253428#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 253435#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 253434#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 253433#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 253432#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 253439#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 253438#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 253437#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 253436#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31))] [2018-07-23 13:49:49,216 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 14762 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:49,217 INFO L450 AbstractCegarLoop]: Interpolant automaton has 245 states [2018-07-23 13:49:49,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2018-07-23 13:49:49,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15128, Invalid=44652, Unknown=0, NotChecked=0, Total=59780 [2018-07-23 13:49:49,219 INFO L87 Difference]: Start difference. First operand 491 states and 492 transitions. Second operand 245 states. [2018-07-23 13:49:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:51,392 INFO L93 Difference]: Finished difference Result 739 states and 741 transitions. [2018-07-23 13:49:51,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2018-07-23 13:49:51,392 INFO L78 Accepts]: Start accepts. Automaton has 245 states. Word has length 490 [2018-07-23 13:49:51,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:51,393 INFO L225 Difference]: With dead ends: 739 [2018-07-23 13:49:51,393 INFO L226 Difference]: Without dead ends: 493 [2018-07-23 13:49:51,398 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21781 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=37392, Invalid=96198, Unknown=0, NotChecked=0, Total=133590 [2018-07-23 13:49:51,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-07-23 13:49:51,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2018-07-23 13:49:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-07-23 13:49:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 494 transitions. [2018-07-23 13:49:51,440 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 494 transitions. Word has length 490 [2018-07-23 13:49:51,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:51,441 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 494 transitions. [2018-07-23 13:49:51,441 INFO L472 AbstractCegarLoop]: Interpolant automaton has 245 states. [2018-07-23 13:49:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 494 transitions. [2018-07-23 13:49:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2018-07-23 13:49:51,442 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:51,442 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 122, 121, 1, 1, 1, 1] [2018-07-23 13:49:51,442 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:51,443 INFO L82 PathProgramCache]: Analyzing trace with hash 765309195, now seen corresponding path program 183 times [2018-07-23 13:49:51,443 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 29768 backedges. 15006 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:52,835 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:52,836 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:49:52,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:52,836 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 13:49:52,836 INFO L185 omatonBuilderFactory]: Interpolants [256259#(<= 84 ULTIMATE.start_main_~k~5), 256258#(<= 83 ULTIMATE.start_main_~k~5), 256257#(<= 82 ULTIMATE.start_main_~k~5), 256256#(<= 81 ULTIMATE.start_main_~k~5), 256263#(<= 88 ULTIMATE.start_main_~k~5), 256262#(<= 87 ULTIMATE.start_main_~k~5), 256261#(<= 86 ULTIMATE.start_main_~k~5), 256260#(<= 85 ULTIMATE.start_main_~k~5), 256267#(<= 92 ULTIMATE.start_main_~k~5), 256266#(<= 91 ULTIMATE.start_main_~k~5), 256265#(<= 90 ULTIMATE.start_main_~k~5), 256264#(<= 89 ULTIMATE.start_main_~k~5), 256271#(<= 96 ULTIMATE.start_main_~k~5), 256270#(<= 95 ULTIMATE.start_main_~k~5), 256269#(<= 94 ULTIMATE.start_main_~k~5), 256268#(<= 93 ULTIMATE.start_main_~k~5), 256275#(<= 100 ULTIMATE.start_main_~k~5), 256274#(<= 99 ULTIMATE.start_main_~k~5), 256273#(<= 98 ULTIMATE.start_main_~k~5), 256272#(<= 97 ULTIMATE.start_main_~k~5), 256279#(<= 104 ULTIMATE.start_main_~k~5), 256278#(<= 103 ULTIMATE.start_main_~k~5), 256277#(<= 102 ULTIMATE.start_main_~k~5), 256276#(<= 101 ULTIMATE.start_main_~k~5), 256283#(<= 108 ULTIMATE.start_main_~k~5), 256282#(<= 107 ULTIMATE.start_main_~k~5), 256281#(<= 106 ULTIMATE.start_main_~k~5), 256280#(<= 105 ULTIMATE.start_main_~k~5), 256287#(<= 112 ULTIMATE.start_main_~k~5), 256286#(<= 111 ULTIMATE.start_main_~k~5), 256285#(<= 110 ULTIMATE.start_main_~k~5), 256284#(<= 109 ULTIMATE.start_main_~k~5), 256291#(<= 116 ULTIMATE.start_main_~k~5), 256290#(<= 115 ULTIMATE.start_main_~k~5), 256289#(<= 114 ULTIMATE.start_main_~k~5), 256288#(<= 113 ULTIMATE.start_main_~k~5), 256295#(<= 120 ULTIMATE.start_main_~k~5), 256294#(<= 119 ULTIMATE.start_main_~k~5), 256293#(<= 118 ULTIMATE.start_main_~k~5), 256292#(<= 117 ULTIMATE.start_main_~k~5), 256299#(not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)), 256298#(and (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start___VERIFIER_assert_~cond 1)) (<= 122 ULTIMATE.start_main_~k~5)), 256297#(<= 122 ULTIMATE.start_main_~k~5), 256296#(<= 121 ULTIMATE.start_main_~k~5), 256175#(<= 0 ULTIMATE.start_main_~k~5), 256174#false, 256173#true, 256179#(<= 4 ULTIMATE.start_main_~k~5), 256178#(<= 3 ULTIMATE.start_main_~k~5), 256177#(<= 2 ULTIMATE.start_main_~k~5), 256176#(<= 1 ULTIMATE.start_main_~k~5), 256183#(<= 8 ULTIMATE.start_main_~k~5), 256182#(<= 7 ULTIMATE.start_main_~k~5), 256181#(<= 6 ULTIMATE.start_main_~k~5), 256180#(<= 5 ULTIMATE.start_main_~k~5), 256187#(<= 12 ULTIMATE.start_main_~k~5), 256186#(<= 11 ULTIMATE.start_main_~k~5), 256185#(<= 10 ULTIMATE.start_main_~k~5), 256184#(<= 9 ULTIMATE.start_main_~k~5), 256191#(<= 16 ULTIMATE.start_main_~k~5), 256190#(<= 15 ULTIMATE.start_main_~k~5), 256189#(<= 14 ULTIMATE.start_main_~k~5), 256188#(<= 13 ULTIMATE.start_main_~k~5), 256195#(<= 20 ULTIMATE.start_main_~k~5), 256194#(<= 19 ULTIMATE.start_main_~k~5), 256193#(<= 18 ULTIMATE.start_main_~k~5), 256192#(<= 17 ULTIMATE.start_main_~k~5), 256199#(<= 24 ULTIMATE.start_main_~k~5), 256198#(<= 23 ULTIMATE.start_main_~k~5), 256197#(<= 22 ULTIMATE.start_main_~k~5), 256196#(<= 21 ULTIMATE.start_main_~k~5), 256203#(<= 28 ULTIMATE.start_main_~k~5), 256202#(<= 27 ULTIMATE.start_main_~k~5), 256201#(<= 26 ULTIMATE.start_main_~k~5), 256200#(<= 25 ULTIMATE.start_main_~k~5), 256207#(<= 32 ULTIMATE.start_main_~k~5), 256206#(<= 31 ULTIMATE.start_main_~k~5), 256205#(<= 30 ULTIMATE.start_main_~k~5), 256204#(<= 29 ULTIMATE.start_main_~k~5), 256211#(<= 36 ULTIMATE.start_main_~k~5), 256210#(<= 35 ULTIMATE.start_main_~k~5), 256209#(<= 34 ULTIMATE.start_main_~k~5), 256208#(<= 33 ULTIMATE.start_main_~k~5), 256215#(<= 40 ULTIMATE.start_main_~k~5), 256214#(<= 39 ULTIMATE.start_main_~k~5), 256213#(<= 38 ULTIMATE.start_main_~k~5), 256212#(<= 37 ULTIMATE.start_main_~k~5), 256219#(<= 44 ULTIMATE.start_main_~k~5), 256218#(<= 43 ULTIMATE.start_main_~k~5), 256217#(<= 42 ULTIMATE.start_main_~k~5), 256216#(<= 41 ULTIMATE.start_main_~k~5), 256223#(<= 48 ULTIMATE.start_main_~k~5), 256222#(<= 47 ULTIMATE.start_main_~k~5), 256221#(<= 46 ULTIMATE.start_main_~k~5), 256220#(<= 45 ULTIMATE.start_main_~k~5), 256227#(<= 52 ULTIMATE.start_main_~k~5), 256226#(<= 51 ULTIMATE.start_main_~k~5), 256225#(<= 50 ULTIMATE.start_main_~k~5), 256224#(<= 49 ULTIMATE.start_main_~k~5), 256231#(<= 56 ULTIMATE.start_main_~k~5), 256230#(<= 55 ULTIMATE.start_main_~k~5), 256229#(<= 54 ULTIMATE.start_main_~k~5), 256228#(<= 53 ULTIMATE.start_main_~k~5), 256235#(<= 60 ULTIMATE.start_main_~k~5), 256234#(<= 59 ULTIMATE.start_main_~k~5), 256233#(<= 58 ULTIMATE.start_main_~k~5), 256232#(<= 57 ULTIMATE.start_main_~k~5), 256239#(<= 64 ULTIMATE.start_main_~k~5), 256238#(<= 63 ULTIMATE.start_main_~k~5), 256237#(<= 62 ULTIMATE.start_main_~k~5), 256236#(<= 61 ULTIMATE.start_main_~k~5), 256243#(<= 68 ULTIMATE.start_main_~k~5), 256242#(<= 67 ULTIMATE.start_main_~k~5), 256241#(<= 66 ULTIMATE.start_main_~k~5), 256240#(<= 65 ULTIMATE.start_main_~k~5), 256247#(<= 72 ULTIMATE.start_main_~k~5), 256246#(<= 71 ULTIMATE.start_main_~k~5), 256245#(<= 70 ULTIMATE.start_main_~k~5), 256244#(<= 69 ULTIMATE.start_main_~k~5), 256251#(<= 76 ULTIMATE.start_main_~k~5), 256250#(<= 75 ULTIMATE.start_main_~k~5), 256249#(<= 74 ULTIMATE.start_main_~k~5), 256248#(<= 73 ULTIMATE.start_main_~k~5), 256255#(<= 80 ULTIMATE.start_main_~k~5), 256254#(<= 79 ULTIMATE.start_main_~k~5), 256253#(<= 78 ULTIMATE.start_main_~k~5), 256252#(<= 77 ULTIMATE.start_main_~k~5)] [2018-07-23 13:49:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 29768 backedges. 15006 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:52,838 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:49:52,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:49:52,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7877, Invalid=8125, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:49:52,839 INFO L87 Difference]: Start difference. First operand 493 states and 494 transitions. Second operand 127 states. [2018-07-23 13:49:53,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:53,608 INFO L93 Difference]: Finished difference Result 499 states and 501 transitions. [2018-07-23 13:49:53,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2018-07-23 13:49:53,608 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 492 [2018-07-23 13:49:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:53,609 INFO L225 Difference]: With dead ends: 499 [2018-07-23 13:49:53,609 INFO L226 Difference]: Without dead ends: 497 [2018-07-23 13:49:53,611 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15129 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23376, Invalid=38874, Unknown=0, NotChecked=0, Total=62250 [2018-07-23 13:49:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2018-07-23 13:49:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2018-07-23 13:49:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-07-23 13:49:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 498 transitions. [2018-07-23 13:49:53,655 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 498 transitions. Word has length 492 [2018-07-23 13:49:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:53,655 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 498 transitions. [2018-07-23 13:49:53,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:49:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 498 transitions. [2018-07-23 13:49:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2018-07-23 13:49:53,657 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:53,657 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 123, 122, 1, 1, 1, 1] [2018-07-23 13:49:53,657 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:53,657 INFO L82 PathProgramCache]: Analyzing trace with hash -654797313, now seen corresponding path program 184 times [2018-07-23 13:49:53,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30258 backedges. 15252 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:55,991 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:55,992 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [247] total 247 [2018-07-23 13:49:55,992 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:55,992 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 13:49:55,993 INFO L185 omatonBuilderFactory]: Interpolants [258563#(<= ULTIMATE.start_main_~i~5 23), 258562#(<= ULTIMATE.start_main_~i~5 22), 258561#(<= ULTIMATE.start_main_~i~5 21), 258560#(<= ULTIMATE.start_main_~i~5 20), 258567#(<= ULTIMATE.start_main_~i~5 27), 258566#(<= ULTIMATE.start_main_~i~5 26), 258565#(<= ULTIMATE.start_main_~i~5 25), 258564#(<= ULTIMATE.start_main_~i~5 24), 258571#(<= ULTIMATE.start_main_~i~5 31), 258570#(<= ULTIMATE.start_main_~i~5 30), 258569#(<= ULTIMATE.start_main_~i~5 29), 258568#(<= ULTIMATE.start_main_~i~5 28), 258575#(<= ULTIMATE.start_main_~i~5 35), 258574#(<= ULTIMATE.start_main_~i~5 34), 258573#(<= ULTIMATE.start_main_~i~5 33), 258572#(<= ULTIMATE.start_main_~i~5 32), 258579#(<= ULTIMATE.start_main_~i~5 39), 258578#(<= ULTIMATE.start_main_~i~5 38), 258577#(<= ULTIMATE.start_main_~i~5 37), 258576#(<= ULTIMATE.start_main_~i~5 36), 258583#(<= ULTIMATE.start_main_~i~5 43), 258582#(<= ULTIMATE.start_main_~i~5 42), 258581#(<= ULTIMATE.start_main_~i~5 41), 258580#(<= ULTIMATE.start_main_~i~5 40), 258587#(<= ULTIMATE.start_main_~i~5 47), 258586#(<= ULTIMATE.start_main_~i~5 46), 258585#(<= ULTIMATE.start_main_~i~5 45), 258584#(<= ULTIMATE.start_main_~i~5 44), 258591#(<= ULTIMATE.start_main_~i~5 51), 258590#(<= ULTIMATE.start_main_~i~5 50), 258589#(<= ULTIMATE.start_main_~i~5 49), 258588#(<= ULTIMATE.start_main_~i~5 48), 258595#(<= ULTIMATE.start_main_~i~5 55), 258594#(<= ULTIMATE.start_main_~i~5 54), 258593#(<= ULTIMATE.start_main_~i~5 53), 258592#(<= ULTIMATE.start_main_~i~5 52), 258599#(<= ULTIMATE.start_main_~i~5 59), 258598#(<= ULTIMATE.start_main_~i~5 58), 258597#(<= ULTIMATE.start_main_~i~5 57), 258596#(<= ULTIMATE.start_main_~i~5 56), 258603#(<= ULTIMATE.start_main_~i~5 63), 258602#(<= ULTIMATE.start_main_~i~5 62), 258601#(<= ULTIMATE.start_main_~i~5 61), 258600#(<= ULTIMATE.start_main_~i~5 60), 258607#(<= ULTIMATE.start_main_~i~5 67), 258606#(<= ULTIMATE.start_main_~i~5 66), 258605#(<= ULTIMATE.start_main_~i~5 65), 258604#(<= ULTIMATE.start_main_~i~5 64), 258611#(<= ULTIMATE.start_main_~i~5 71), 258610#(<= ULTIMATE.start_main_~i~5 70), 258609#(<= ULTIMATE.start_main_~i~5 69), 258608#(<= ULTIMATE.start_main_~i~5 68), 258615#(<= ULTIMATE.start_main_~i~5 75), 258614#(<= ULTIMATE.start_main_~i~5 74), 258613#(<= ULTIMATE.start_main_~i~5 73), 258612#(<= ULTIMATE.start_main_~i~5 72), 258619#(<= ULTIMATE.start_main_~i~5 79), 258618#(<= ULTIMATE.start_main_~i~5 78), 258617#(<= ULTIMATE.start_main_~i~5 77), 258616#(<= ULTIMATE.start_main_~i~5 76), 258623#(<= ULTIMATE.start_main_~i~5 83), 258622#(<= ULTIMATE.start_main_~i~5 82), 258621#(<= ULTIMATE.start_main_~i~5 81), 258620#(<= ULTIMATE.start_main_~i~5 80), 258627#(<= ULTIMATE.start_main_~i~5 87), 258626#(<= ULTIMATE.start_main_~i~5 86), 258625#(<= ULTIMATE.start_main_~i~5 85), 258624#(<= ULTIMATE.start_main_~i~5 84), 258631#(<= ULTIMATE.start_main_~i~5 91), 258630#(<= ULTIMATE.start_main_~i~5 90), 258629#(<= ULTIMATE.start_main_~i~5 89), 258628#(<= ULTIMATE.start_main_~i~5 88), 258635#(<= ULTIMATE.start_main_~i~5 95), 258634#(<= ULTIMATE.start_main_~i~5 94), 258633#(<= ULTIMATE.start_main_~i~5 93), 258632#(<= ULTIMATE.start_main_~i~5 92), 258639#(<= ULTIMATE.start_main_~i~5 99), 258638#(<= ULTIMATE.start_main_~i~5 98), 258637#(<= ULTIMATE.start_main_~i~5 97), 258636#(<= ULTIMATE.start_main_~i~5 96), 258643#(<= ULTIMATE.start_main_~i~5 103), 258642#(<= ULTIMATE.start_main_~i~5 102), 258641#(<= ULTIMATE.start_main_~i~5 101), 258640#(<= ULTIMATE.start_main_~i~5 100), 258647#(<= ULTIMATE.start_main_~i~5 107), 258646#(<= ULTIMATE.start_main_~i~5 106), 258645#(<= ULTIMATE.start_main_~i~5 105), 258644#(<= ULTIMATE.start_main_~i~5 104), 258651#(<= ULTIMATE.start_main_~i~5 111), 258650#(<= ULTIMATE.start_main_~i~5 110), 258649#(<= ULTIMATE.start_main_~i~5 109), 258648#(<= ULTIMATE.start_main_~i~5 108), 258655#(<= ULTIMATE.start_main_~i~5 115), 258654#(<= ULTIMATE.start_main_~i~5 114), 258653#(<= ULTIMATE.start_main_~i~5 113), 258652#(<= ULTIMATE.start_main_~i~5 112), 258659#(<= ULTIMATE.start_main_~i~5 119), 258658#(<= ULTIMATE.start_main_~i~5 118), 258657#(<= ULTIMATE.start_main_~i~5 117), 258656#(<= ULTIMATE.start_main_~i~5 116), 258663#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 122)), 258662#(<= ULTIMATE.start_main_~i~5 122), 258661#(<= ULTIMATE.start_main_~i~5 121), 258660#(<= ULTIMATE.start_main_~i~5 120), 258667#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 118)), 258666#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 119)), 258665#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 120)), 258664#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 121)), 258671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 258670#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 258669#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 258668#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 117)), 258675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 258674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 258673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 258672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 258679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 258678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 258677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 258676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 258683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 258682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 258681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 258680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 258687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 258686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 258685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 258684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 258691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 258690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 258689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 258688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 258695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 258694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 258693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 258692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 258699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 258698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 258697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 258696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 258703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 258702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 258701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 258700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 258707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 258706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 258705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 258704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 258711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 258710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 258709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 258708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 258715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 258714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 258713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 258712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 258719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 258718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 258717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 258716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 258723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 258722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 258721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 258720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 258727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 258726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 258725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 258724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 258731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 258730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 258729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 258728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 258735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 258734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 258733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 258732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 258739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 258738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 258737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 258736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 258743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 258742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 258741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 258740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 258747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 258746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 258745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 258744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 258751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 258750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 258749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 258748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 258755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 258754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 258753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 258752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 258759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 258758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 258757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 258756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 258763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 258762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 258761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 258760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 258767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 258766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 258765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 258764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 258771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 258770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 258769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 258768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 258775#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 258774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 258773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 258772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 258779#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 258778#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 258777#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 258776#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 258783#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 258782#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 258781#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 258780#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 258785#(<= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~j~5), 258784#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 258539#false, 258538#true, 258543#(<= ULTIMATE.start_main_~i~5 3), 258542#(<= ULTIMATE.start_main_~i~5 2), 258541#(<= ULTIMATE.start_main_~i~5 1), 258540#(<= ULTIMATE.start_main_~i~5 0), 258547#(<= ULTIMATE.start_main_~i~5 7), 258546#(<= ULTIMATE.start_main_~i~5 6), 258545#(<= ULTIMATE.start_main_~i~5 5), 258544#(<= ULTIMATE.start_main_~i~5 4), 258551#(<= ULTIMATE.start_main_~i~5 11), 258550#(<= ULTIMATE.start_main_~i~5 10), 258549#(<= ULTIMATE.start_main_~i~5 9), 258548#(<= ULTIMATE.start_main_~i~5 8), 258555#(<= ULTIMATE.start_main_~i~5 15), 258554#(<= ULTIMATE.start_main_~i~5 14), 258553#(<= ULTIMATE.start_main_~i~5 13), 258552#(<= ULTIMATE.start_main_~i~5 12), 258559#(<= ULTIMATE.start_main_~i~5 19), 258558#(<= ULTIMATE.start_main_~i~5 18), 258557#(<= ULTIMATE.start_main_~i~5 17), 258556#(<= ULTIMATE.start_main_~i~5 16)] [2018-07-23 13:49:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30258 backedges. 15252 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:55,994 INFO L450 AbstractCegarLoop]: Interpolant automaton has 248 states [2018-07-23 13:49:55,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 248 interpolants. [2018-07-23 13:49:55,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15499, Invalid=45757, Unknown=0, NotChecked=0, Total=61256 [2018-07-23 13:49:55,999 INFO L87 Difference]: Start difference. First operand 497 states and 498 transitions. Second operand 248 states. [2018-07-23 13:49:57,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:57,914 INFO L93 Difference]: Finished difference Result 749 states and 751 transitions. [2018-07-23 13:49:57,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2018-07-23 13:49:57,914 INFO L78 Accepts]: Start accepts. Automaton has 248 states. Word has length 496 [2018-07-23 13:49:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:57,915 INFO L225 Difference]: With dead ends: 749 [2018-07-23 13:49:57,915 INFO L226 Difference]: Without dead ends: 499 [2018-07-23 13:49:57,920 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22387 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=38130, Invalid=98400, Unknown=0, NotChecked=0, Total=136530 [2018-07-23 13:49:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-07-23 13:49:57,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2018-07-23 13:49:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-07-23 13:49:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 500 transitions. [2018-07-23 13:49:57,964 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 500 transitions. Word has length 496 [2018-07-23 13:49:57,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:57,964 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 500 transitions. [2018-07-23 13:49:57,964 INFO L472 AbstractCegarLoop]: Interpolant automaton has 248 states. [2018-07-23 13:49:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 500 transitions. [2018-07-23 13:49:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2018-07-23 13:49:57,966 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:57,966 INFO L357 BasicCegarLoop]: trace histogram [124, 124, 123, 123, 1, 1, 1, 1] [2018-07-23 13:49:57,966 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:57,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2041837819, now seen corresponding path program 185 times [2018-07-23 13:49:57,966 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:50:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30504 backedges. 15252 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:00,463 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:00,463 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [248] total 248 [2018-07-23 13:50:00,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:00,463 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 13:50:00,464 INFO L185 omatonBuilderFactory]: Interpolants [261635#(<= ULTIMATE.start_main_~i~5 107), 261634#(<= ULTIMATE.start_main_~i~5 106), 261633#(<= ULTIMATE.start_main_~i~5 105), 261632#(<= ULTIMATE.start_main_~i~5 104), 261639#(<= ULTIMATE.start_main_~i~5 111), 261638#(<= ULTIMATE.start_main_~i~5 110), 261637#(<= ULTIMATE.start_main_~i~5 109), 261636#(<= ULTIMATE.start_main_~i~5 108), 261643#(<= ULTIMATE.start_main_~i~5 115), 261642#(<= ULTIMATE.start_main_~i~5 114), 261641#(<= ULTIMATE.start_main_~i~5 113), 261640#(<= ULTIMATE.start_main_~i~5 112), 261647#(<= ULTIMATE.start_main_~i~5 119), 261646#(<= ULTIMATE.start_main_~i~5 118), 261645#(<= ULTIMATE.start_main_~i~5 117), 261644#(<= ULTIMATE.start_main_~i~5 116), 261651#(<= ULTIMATE.start_main_~i~5 123), 261650#(<= ULTIMATE.start_main_~i~5 122), 261649#(<= ULTIMATE.start_main_~i~5 121), 261648#(<= ULTIMATE.start_main_~i~5 120), 261655#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 120)), 261654#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 121)), 261653#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 122)), 261652#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 123)), 261659#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 116)), 261658#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 117)), 261657#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 118)), 261656#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 119)), 261663#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 112)), 261662#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 113)), 261661#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 114)), 261660#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 115)), 261667#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 108)), 261666#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 109)), 261665#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 110)), 261664#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 111)), 261671#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 104)), 261670#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 105)), 261669#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 106)), 261668#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 107)), 261675#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 100)), 261674#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 101)), 261673#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 102)), 261672#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 103)), 261679#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 96)), 261678#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 97)), 261677#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 98)), 261676#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 99)), 261683#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 92)), 261682#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 93)), 261681#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 94)), 261680#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 95)), 261687#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 88)), 261686#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 89)), 261685#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 90)), 261684#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 91)), 261691#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 84)), 261690#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 85)), 261689#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 86)), 261688#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 87)), 261695#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 80)), 261694#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 81)), 261693#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 82)), 261692#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 83)), 261699#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 76)), 261698#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 77)), 261697#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 78)), 261696#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 79)), 261703#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 72)), 261702#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 73)), 261701#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 74)), 261700#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 75)), 261707#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 68)), 261706#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 69)), 261705#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 70)), 261704#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 71)), 261711#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 64)), 261710#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 65)), 261709#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 66)), 261708#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 67)), 261715#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 60)), 261714#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 61)), 261713#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 62)), 261712#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 63)), 261719#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 56)), 261718#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 57)), 261717#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 58)), 261716#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 59)), 261723#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 52)), 261722#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 53)), 261721#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 54)), 261720#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 55)), 261727#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 48)), 261726#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 49)), 261725#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 50)), 261724#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 51)), 261731#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 44)), 261730#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 45)), 261729#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 46)), 261728#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 47)), 261735#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 40)), 261734#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 41)), 261733#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 42)), 261732#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 43)), 261739#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 36)), 261738#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 37)), 261737#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 38)), 261736#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 39)), 261743#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 32)), 261742#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 33)), 261741#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 34)), 261740#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 35)), 261747#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 28)), 261746#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 29)), 261745#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 30)), 261744#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 31)), 261751#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 24)), 261750#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 25)), 261749#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 26)), 261748#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 27)), 261755#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 20)), 261754#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 21)), 261753#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 22)), 261752#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 23)), 261759#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 16)), 261758#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 17)), 261757#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 18)), 261756#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 19)), 261763#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 12)), 261762#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 13)), 261761#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 14)), 261760#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 15)), 261767#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 8)), 261766#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 9)), 261765#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 10)), 261764#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 11)), 261771#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 4)), 261770#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 5)), 261769#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 6)), 261768#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 7)), 261774#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 1)), 261773#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 2)), 261772#(<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~j~5 3)), 261527#false, 261526#true, 261531#(<= ULTIMATE.start_main_~i~5 3), 261530#(<= ULTIMATE.start_main_~i~5 2), 261529#(<= ULTIMATE.start_main_~i~5 1), 261528#(<= ULTIMATE.start_main_~i~5 0), 261535#(<= ULTIMATE.start_main_~i~5 7), 261534#(<= ULTIMATE.start_main_~i~5 6), 261533#(<= ULTIMATE.start_main_~i~5 5), 261532#(<= ULTIMATE.start_main_~i~5 4), 261539#(<= ULTIMATE.start_main_~i~5 11), 261538#(<= ULTIMATE.start_main_~i~5 10), 261537#(<= ULTIMATE.start_main_~i~5 9), 261536#(<= ULTIMATE.start_main_~i~5 8), 261543#(<= ULTIMATE.start_main_~i~5 15), 261542#(<= ULTIMATE.start_main_~i~5 14), 261541#(<= ULTIMATE.start_main_~i~5 13), 261540#(<= ULTIMATE.start_main_~i~5 12), 261547#(<= ULTIMATE.start_main_~i~5 19), 261546#(<= ULTIMATE.start_main_~i~5 18), 261545#(<= ULTIMATE.start_main_~i~5 17), 261544#(<= ULTIMATE.start_main_~i~5 16), 261551#(<= ULTIMATE.start_main_~i~5 23), 261550#(<= ULTIMATE.start_main_~i~5 22), 261549#(<= ULTIMATE.start_main_~i~5 21), 261548#(<= ULTIMATE.start_main_~i~5 20), 261555#(<= ULTIMATE.start_main_~i~5 27), 261554#(<= ULTIMATE.start_main_~i~5 26), 261553#(<= ULTIMATE.start_main_~i~5 25), 261552#(<= ULTIMATE.start_main_~i~5 24), 261559#(<= ULTIMATE.start_main_~i~5 31), 261558#(<= ULTIMATE.start_main_~i~5 30), 261557#(<= ULTIMATE.start_main_~i~5 29), 261556#(<= ULTIMATE.start_main_~i~5 28), 261563#(<= ULTIMATE.start_main_~i~5 35), 261562#(<= ULTIMATE.start_main_~i~5 34), 261561#(<= ULTIMATE.start_main_~i~5 33), 261560#(<= ULTIMATE.start_main_~i~5 32), 261567#(<= ULTIMATE.start_main_~i~5 39), 261566#(<= ULTIMATE.start_main_~i~5 38), 261565#(<= ULTIMATE.start_main_~i~5 37), 261564#(<= ULTIMATE.start_main_~i~5 36), 261571#(<= ULTIMATE.start_main_~i~5 43), 261570#(<= ULTIMATE.start_main_~i~5 42), 261569#(<= ULTIMATE.start_main_~i~5 41), 261568#(<= ULTIMATE.start_main_~i~5 40), 261575#(<= ULTIMATE.start_main_~i~5 47), 261574#(<= ULTIMATE.start_main_~i~5 46), 261573#(<= ULTIMATE.start_main_~i~5 45), 261572#(<= ULTIMATE.start_main_~i~5 44), 261579#(<= ULTIMATE.start_main_~i~5 51), 261578#(<= ULTIMATE.start_main_~i~5 50), 261577#(<= ULTIMATE.start_main_~i~5 49), 261576#(<= ULTIMATE.start_main_~i~5 48), 261583#(<= ULTIMATE.start_main_~i~5 55), 261582#(<= ULTIMATE.start_main_~i~5 54), 261581#(<= ULTIMATE.start_main_~i~5 53), 261580#(<= ULTIMATE.start_main_~i~5 52), 261587#(<= ULTIMATE.start_main_~i~5 59), 261586#(<= ULTIMATE.start_main_~i~5 58), 261585#(<= ULTIMATE.start_main_~i~5 57), 261584#(<= ULTIMATE.start_main_~i~5 56), 261591#(<= ULTIMATE.start_main_~i~5 63), 261590#(<= ULTIMATE.start_main_~i~5 62), 261589#(<= ULTIMATE.start_main_~i~5 61), 261588#(<= ULTIMATE.start_main_~i~5 60), 261595#(<= ULTIMATE.start_main_~i~5 67), 261594#(<= ULTIMATE.start_main_~i~5 66), 261593#(<= ULTIMATE.start_main_~i~5 65), 261592#(<= ULTIMATE.start_main_~i~5 64), 261599#(<= ULTIMATE.start_main_~i~5 71), 261598#(<= ULTIMATE.start_main_~i~5 70), 261597#(<= ULTIMATE.start_main_~i~5 69), 261596#(<= ULTIMATE.start_main_~i~5 68), 261603#(<= ULTIMATE.start_main_~i~5 75), 261602#(<= ULTIMATE.start_main_~i~5 74), 261601#(<= ULTIMATE.start_main_~i~5 73), 261600#(<= ULTIMATE.start_main_~i~5 72), 261607#(<= ULTIMATE.start_main_~i~5 79), 261606#(<= ULTIMATE.start_main_~i~5 78), 261605#(<= ULTIMATE.start_main_~i~5 77), 261604#(<= ULTIMATE.start_main_~i~5 76), 261611#(<= ULTIMATE.start_main_~i~5 83), 261610#(<= ULTIMATE.start_main_~i~5 82), 261609#(<= ULTIMATE.start_main_~i~5 81), 261608#(<= ULTIMATE.start_main_~i~5 80), 261615#(<= ULTIMATE.start_main_~i~5 87), 261614#(<= ULTIMATE.start_main_~i~5 86), 261613#(<= ULTIMATE.start_main_~i~5 85), 261612#(<= ULTIMATE.start_main_~i~5 84), 261619#(<= ULTIMATE.start_main_~i~5 91), 261618#(<= ULTIMATE.start_main_~i~5 90), 261617#(<= ULTIMATE.start_main_~i~5 89), 261616#(<= ULTIMATE.start_main_~i~5 88), 261623#(<= ULTIMATE.start_main_~i~5 95), 261622#(<= ULTIMATE.start_main_~i~5 94), 261621#(<= ULTIMATE.start_main_~i~5 93), 261620#(<= ULTIMATE.start_main_~i~5 92), 261627#(<= ULTIMATE.start_main_~i~5 99), 261626#(<= ULTIMATE.start_main_~i~5 98), 261625#(<= ULTIMATE.start_main_~i~5 97), 261624#(<= ULTIMATE.start_main_~i~5 96), 261631#(<= ULTIMATE.start_main_~i~5 103), 261630#(<= ULTIMATE.start_main_~i~5 102), 261629#(<= ULTIMATE.start_main_~i~5 101), 261628#(<= ULTIMATE.start_main_~i~5 100)] [2018-07-23 13:50:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30504 backedges. 15252 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:00,465 INFO L450 AbstractCegarLoop]: Interpolant automaton has 249 states [2018-07-23 13:50:00,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2018-07-23 13:50:00,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15624, Invalid=46128, Unknown=0, NotChecked=0, Total=61752 [2018-07-23 13:50:00,467 INFO L87 Difference]: Start difference. First operand 499 states and 500 transitions. Second operand 249 states. [2018-07-23 13:50:00,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-23 13:50:00,469 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:50:00,475 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:50:00,475 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:50:00 BoogieIcfgContainer [2018-07-23 13:50:00,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:50:00,476 INFO L168 Benchmark]: Toolchain (without parser) took 249121.86 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 602.0 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:00,478 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:50:00,479 INFO L168 Benchmark]: Boogie Preprocessor took 58.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:50:00,479 INFO L168 Benchmark]: RCFGBuilder took 277.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:00,479 INFO L168 Benchmark]: TraceAbstraction took 248781.68 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 591.4 MB. Max. memory is 7.1 GB. [2018-07-23 13:50:00,482 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 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 277.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248781.68 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 591.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 75). Cancelled while BasicCegarLoop was constructing difference of abstraction (499states) and interpolant automaton (currently 2 states, 249 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 248.7s OverallTime, 187 OverallIterations, 124 TraceHistogramMax, 110.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12097 SDtfs, 9401 SDslu, 181117 SDs, 0 SdLazy, 192744 SolverSat, 22127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34670 GetRequests, 3910 SyntacticMatches, 0 SemanticMatches, 30760 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248371 ImplicationChecksByTransitivity, 110.7s Time, 0.3s BasicInterpolantAutomatonTime, BiggestAbstraction: size=499occurred in iteration=186, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 957100/1898948 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 186 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 38.4s SatisfiabilityAnalysisTime, 81.6s InterpolantComputationTime, 46764 NumberOfCodeBlocks, 46764 NumberOfCodeBlocksAsserted, 187 NumberOfCheckSat, 46577 ConstructedInterpolants, 0 QuantifiedInterpolants, 56557369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 187 InterpolantComputations, 2 PerfectInterpolantSequences, 957100/1898948 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/fragtest_simple.i_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-50-00-492.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/fragtest_simple.i_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-50-00-492.csv Completed graceful shutdown