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/count_by_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:44:51,228 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:44:51,230 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:44:51,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:44:51,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:44:51,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:44:51,246 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:44:51,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:44:51,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:44:51,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:44:51,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:44:51,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:44:51,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:44:51,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:44:51,255 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:44:51,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:44:51,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:44:51,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:44:51,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:44:51,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:44:51,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:44:51,265 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:44:51,267 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:44:51,268 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:44:51,268 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:44:51,269 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:44:51,270 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:44:51,271 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:44:51,272 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:44:51,273 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:44:51,273 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:44:51,274 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:44:51,277 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 13:44:51,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:44:51,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:44:51,294 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:44:51,294 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:44:51,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:44:51,295 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:44:51,295 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:44:51,295 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:44:51,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:44:51,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:44:51,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:44:51,385 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:44:51,386 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:44:51,387 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl [2018-07-23 13:44:51,387 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl' [2018-07-23 13:44:51,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:44:51,438 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:44:51,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:44:51,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:44:51,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:44:51,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:44:51,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:44:51,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:44:51,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:44:51,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/1) ... [2018-07-23 13:44:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:44:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:44:51,688 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:44:51,689 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:44:51 BoogieIcfgContainer [2018-07-23 13:44:51,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:44:51,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:44:51,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:44:51,694 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:44:51,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:44:51" (1/2) ... [2018-07-23 13:44:51,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8e9fe4 and model type count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:44:51, skipping insertion in model container [2018-07-23 13:44:51,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:44:51" (2/2) ... [2018-07-23 13:44:51,698 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_2.i_3.bpl [2018-07-23 13:44:51,708 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:44:51,716 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:44:51,763 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:44:51,764 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:44:51,764 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:44:51,765 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:44:51,765 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:44:51,765 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:44:51,765 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:44:51,765 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:44:51,766 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:44:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:44:51,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:44:51,789 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:51,790 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:44:51,790 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:51,796 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 13:44:51,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:51,871 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:44:51,872 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:44:51,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:51,875 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:44:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:51,877 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:44:51,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:44:51,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:44:51,896 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:44:51,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:51,925 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:44:51,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:44:51,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 13:44:51,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:51,948 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:44:51,948 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:44:51,954 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:44:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:44:51,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:44:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:44:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:44:52,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:44:52,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,000 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:44:52,000 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:44:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:44:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:44:52,001 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,002 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:44:52,002 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,004 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 13:44:52,006 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,048 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,048 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:44:52,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,049 INFO L185 omatonBuilderFactory]: Interpolants [48#(<= ULTIMATE.start_main_~i~4 0), 49#(<= ULTIMATE.start_main_~i~4 2), 46#true, 47#false] [2018-07-23 13:44:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,051 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:44:52,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:44:52,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:44:52,052 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:44:52,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,068 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:44:52,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:44:52,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:44:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,069 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:44:52,070 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:44:52,071 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:44:52,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:44:52,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:44:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:44:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:44:52,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:44:52,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,075 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:44:52,075 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:44:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:44:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:44:52,076 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,076 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:44:52,077 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,078 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-07-23 13:44:52,078 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,112 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,112 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:44:52,112 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,114 INFO L185 omatonBuilderFactory]: Interpolants [90#true, 91#false, 92#(<= ULTIMATE.start_main_~i~4 0), 93#(<= ULTIMATE.start_main_~i~4 2), 94#(<= ULTIMATE.start_main_~i~4 4)] [2018-07-23 13:44:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,115 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:44:52,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:44:52,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:44:52,116 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-07-23 13:44:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,142 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:44:52,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:44:52,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-07-23 13:44:52,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,144 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:44:52,144 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:44:52,147 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:44:52,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:44:52,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:44:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:44:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:44:52,154 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:44:52,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,154 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:44:52,154 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:44:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:44:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:44:52,155 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,155 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:44:52,156 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-07-23 13:44:52,157 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,196 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,196 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:44:52,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,197 INFO L185 omatonBuilderFactory]: Interpolants [144#false, 145#(<= ULTIMATE.start_main_~i~4 0), 146#(<= ULTIMATE.start_main_~i~4 2), 147#(<= ULTIMATE.start_main_~i~4 4), 148#(<= ULTIMATE.start_main_~i~4 6), 143#true] [2018-07-23 13:44:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,197 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:44:52,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:44:52,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:44:52,198 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-07-23 13:44:52,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,215 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:44:52,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:44:52,216 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-23 13:44:52,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,217 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:44:52,217 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:44:52,220 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:44:52,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:44:52,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:44:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:44:52,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:44:52,228 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:44:52,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,228 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:44:52,228 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:44:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:44:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:44:52,230 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,230 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:44:52,230 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-07-23 13:44:52,231 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,296 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,296 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:44:52,296 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,297 INFO L185 omatonBuilderFactory]: Interpolants [208#(<= ULTIMATE.start_main_~i~4 2), 209#(<= ULTIMATE.start_main_~i~4 4), 210#(<= ULTIMATE.start_main_~i~4 6), 211#(<= ULTIMATE.start_main_~i~4 8), 205#true, 206#false, 207#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:44:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,297 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:44:52,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:44:52,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:44:52,298 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-07-23 13:44:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,317 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:44:52,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:44:52,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-23 13:44:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,318 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:44:52,318 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:44:52,319 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:44:52,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:44:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:44:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:44:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:44:52,323 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:44:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,324 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:44:52,324 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:44:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:44:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:44:52,325 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,325 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:44:52,325 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,325 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-07-23 13:44:52,326 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,379 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,379 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:44:52,379 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,380 INFO L185 omatonBuilderFactory]: Interpolants [276#true, 277#false, 278#(<= ULTIMATE.start_main_~i~4 0), 279#(<= ULTIMATE.start_main_~i~4 2), 280#(<= ULTIMATE.start_main_~i~4 4), 281#(<= ULTIMATE.start_main_~i~4 6), 282#(<= ULTIMATE.start_main_~i~4 8), 283#(<= ULTIMATE.start_main_~i~4 10)] [2018-07-23 13:44:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,381 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:44:52,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:44:52,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:44:52,382 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-07-23 13:44:52,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,398 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:44:52,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:44:52,398 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-07-23 13:44:52,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,399 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:44:52,399 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:44:52,400 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:44:52,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:44:52,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:44:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:44:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:44:52,405 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:44:52,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,405 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:44:52,405 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:44:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:44:52,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:44:52,406 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,406 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:44:52,406 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,407 INFO L82 PathProgramCache]: Analyzing trace with hash -652443485, now seen corresponding path program 6 times [2018-07-23 13:44:52,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,477 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,477 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:44:52,479 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,479 INFO L185 omatonBuilderFactory]: Interpolants [356#true, 357#false, 358#(<= ULTIMATE.start_main_~i~4 0), 359#(<= ULTIMATE.start_main_~i~4 2), 360#(<= ULTIMATE.start_main_~i~4 4), 361#(<= ULTIMATE.start_main_~i~4 6), 362#(<= ULTIMATE.start_main_~i~4 8), 363#(<= ULTIMATE.start_main_~i~4 10), 364#(<= ULTIMATE.start_main_~i~4 12)] [2018-07-23 13:44:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,480 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:44:52,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:44:52,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:44:52,483 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2018-07-23 13:44:52,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,527 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:44:52,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:44:52,528 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-07-23 13:44:52,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,530 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:44:52,531 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:44:52,534 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:44:52,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:44:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:44:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:44:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:44:52,541 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:44:52,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,542 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:44:52,543 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:44:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:44:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:44:52,545 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,545 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:44:52,545 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,545 INFO L82 PathProgramCache]: Analyzing trace with hash 67088221, now seen corresponding path program 7 times [2018-07-23 13:44:52,546 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,628 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,629 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:44:52,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,630 INFO L185 omatonBuilderFactory]: Interpolants [448#(<= ULTIMATE.start_main_~i~4 2), 449#(<= ULTIMATE.start_main_~i~4 4), 450#(<= ULTIMATE.start_main_~i~4 6), 451#(<= ULTIMATE.start_main_~i~4 8), 452#(<= ULTIMATE.start_main_~i~4 10), 453#(<= ULTIMATE.start_main_~i~4 12), 454#(<= ULTIMATE.start_main_~i~4 14), 445#true, 446#false, 447#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:44:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:44:52,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:44:52,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:44:52,635 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2018-07-23 13:44:52,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,671 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:44:52,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:44:52,671 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-07-23 13:44:52,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,672 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:44:52,674 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:44:52,675 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:44:52,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:44:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:44:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:44:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:44:52,682 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:44:52,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,683 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:44:52,683 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:44:52,683 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:44:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:44:52,684 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,684 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:44:52,685 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,685 INFO L82 PathProgramCache]: Analyzing trace with hash 47323031, now seen corresponding path program 8 times [2018-07-23 13:44:52,685 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,745 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,746 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:44:52,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,748 INFO L185 omatonBuilderFactory]: Interpolants [544#false, 545#(<= ULTIMATE.start_main_~i~4 0), 546#(<= ULTIMATE.start_main_~i~4 2), 547#(<= ULTIMATE.start_main_~i~4 4), 548#(<= ULTIMATE.start_main_~i~4 6), 549#(<= ULTIMATE.start_main_~i~4 8), 550#(<= ULTIMATE.start_main_~i~4 10), 551#(<= ULTIMATE.start_main_~i~4 12), 552#(<= ULTIMATE.start_main_~i~4 14), 553#(<= ULTIMATE.start_main_~i~4 16), 543#true] [2018-07-23 13:44:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,749 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:44:52,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:44:52,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:44:52,752 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2018-07-23 13:44:52,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,777 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:44:52,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:44:52,778 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-07-23 13:44:52,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,779 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:44:52,779 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:44:52,780 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:44:52,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:44:52,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:44:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:44:52,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:44:52,786 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:44:52,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,786 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:44:52,786 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:44:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:44:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:44:52,789 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,790 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:44:52,790 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1767155375, now seen corresponding path program 9 times [2018-07-23 13:44:52,790 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,852 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,853 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:44:52,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,854 INFO L185 omatonBuilderFactory]: Interpolants [656#(<= ULTIMATE.start_main_~i~4 8), 657#(<= ULTIMATE.start_main_~i~4 10), 658#(<= ULTIMATE.start_main_~i~4 12), 659#(<= ULTIMATE.start_main_~i~4 14), 660#(<= ULTIMATE.start_main_~i~4 16), 661#(<= ULTIMATE.start_main_~i~4 18), 650#true, 651#false, 652#(<= ULTIMATE.start_main_~i~4 0), 653#(<= ULTIMATE.start_main_~i~4 2), 654#(<= ULTIMATE.start_main_~i~4 4), 655#(<= ULTIMATE.start_main_~i~4 6)] [2018-07-23 13:44:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,854 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:44:52,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:44:52,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:44:52,855 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 12 states. [2018-07-23 13:44:52,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,887 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:44:52,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:44:52,887 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-07-23 13:44:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,888 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:44:52,888 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:44:52,889 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:44:52,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:44:52,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:44:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:44:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:44:52,894 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:44:52,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,895 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:44:52,895 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:44:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:44:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:44:52,896 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,896 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:44:52,896 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1724181365, now seen corresponding path program 10 times [2018-07-23 13:44:52,896 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,937 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,938 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:44:52,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,939 INFO L185 omatonBuilderFactory]: Interpolants [768#(<= ULTIMATE.start_main_~i~4 0), 769#(<= ULTIMATE.start_main_~i~4 2), 770#(<= ULTIMATE.start_main_~i~4 4), 771#(<= ULTIMATE.start_main_~i~4 6), 772#(<= ULTIMATE.start_main_~i~4 8), 773#(<= ULTIMATE.start_main_~i~4 10), 774#(<= ULTIMATE.start_main_~i~4 12), 775#(<= ULTIMATE.start_main_~i~4 14), 776#(<= ULTIMATE.start_main_~i~4 16), 777#(<= ULTIMATE.start_main_~i~4 18), 778#(<= ULTIMATE.start_main_~i~4 20), 766#true, 767#false] [2018-07-23 13:44:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,939 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:44:52,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:44:52,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:44:52,940 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2018-07-23 13:44:52,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,957 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:44:52,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:44:52,958 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-07-23 13:44:52,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,959 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:44:52,959 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:44:52,959 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:44:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:44:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:44:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:44:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:44:52,965 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:44:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,965 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:44:52,966 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:44:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:44:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:44:52,967 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,967 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:44:52,967 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,968 INFO L82 PathProgramCache]: Analyzing trace with hash 919136581, now seen corresponding path program 11 times [2018-07-23 13:44:52,968 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,046 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,046 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:44:53,046 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,047 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 13:44:53,047 INFO L185 omatonBuilderFactory]: Interpolants [896#(<= ULTIMATE.start_main_~i~4 6), 897#(<= ULTIMATE.start_main_~i~4 8), 898#(<= ULTIMATE.start_main_~i~4 10), 899#(<= ULTIMATE.start_main_~i~4 12), 900#(<= ULTIMATE.start_main_~i~4 14), 901#(<= ULTIMATE.start_main_~i~4 16), 902#(<= ULTIMATE.start_main_~i~4 18), 903#(<= ULTIMATE.start_main_~i~4 20), 904#(<= ULTIMATE.start_main_~i~4 22), 891#true, 892#false, 893#(<= ULTIMATE.start_main_~i~4 0), 894#(<= ULTIMATE.start_main_~i~4 2), 895#(<= ULTIMATE.start_main_~i~4 4)] [2018-07-23 13:44:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,048 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:44:53,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:44:53,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:44:53,052 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 14 states. [2018-07-23 13:44:53,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,068 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:44:53,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:44:53,068 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-07-23 13:44:53,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,069 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:44:53,069 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:44:53,070 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:44:53,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:44:53,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:44:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:44:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:44:53,075 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:44:53,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,076 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:44:53,076 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:44:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:44:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:44:53,077 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,077 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:44:53,077 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1472956545, now seen corresponding path program 12 times [2018-07-23 13:44:53,078 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,125 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:44:53,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,127 INFO L185 omatonBuilderFactory]: Interpolants [1025#true, 1026#false, 1027#(<= ULTIMATE.start_main_~i~4 0), 1028#(<= ULTIMATE.start_main_~i~4 2), 1029#(<= ULTIMATE.start_main_~i~4 4), 1030#(<= ULTIMATE.start_main_~i~4 6), 1031#(<= ULTIMATE.start_main_~i~4 8), 1032#(<= ULTIMATE.start_main_~i~4 10), 1033#(<= ULTIMATE.start_main_~i~4 12), 1034#(<= ULTIMATE.start_main_~i~4 14), 1035#(<= ULTIMATE.start_main_~i~4 16), 1036#(<= ULTIMATE.start_main_~i~4 18), 1037#(<= ULTIMATE.start_main_~i~4 20), 1038#(<= ULTIMATE.start_main_~i~4 22), 1039#(<= ULTIMATE.start_main_~i~4 24)] [2018-07-23 13:44:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:44:53,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:44:53,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:44:53,128 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 15 states. [2018-07-23 13:44:53,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,145 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:44:53,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:44:53,146 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-07-23 13:44:53,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,147 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:44:53,147 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:44:53,147 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:44:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:44:53,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:44:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:44:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:44:53,153 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:44:53,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,154 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:44:53,154 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:44:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:44:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:44:53,155 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,155 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:44:53,155 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1828020025, now seen corresponding path program 13 times [2018-07-23 13:44:53,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,217 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,218 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:44:53,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,219 INFO L185 omatonBuilderFactory]: Interpolants [1168#true, 1169#false, 1170#(<= ULTIMATE.start_main_~i~4 0), 1171#(<= ULTIMATE.start_main_~i~4 2), 1172#(<= ULTIMATE.start_main_~i~4 4), 1173#(<= ULTIMATE.start_main_~i~4 6), 1174#(<= ULTIMATE.start_main_~i~4 8), 1175#(<= ULTIMATE.start_main_~i~4 10), 1176#(<= ULTIMATE.start_main_~i~4 12), 1177#(<= ULTIMATE.start_main_~i~4 14), 1178#(<= ULTIMATE.start_main_~i~4 16), 1179#(<= ULTIMATE.start_main_~i~4 18), 1180#(<= ULTIMATE.start_main_~i~4 20), 1181#(<= ULTIMATE.start_main_~i~4 22), 1182#(<= ULTIMATE.start_main_~i~4 24), 1183#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:44:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,219 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:44:53,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:44:53,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:44:53,220 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 16 states. [2018-07-23 13:44:53,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,240 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:44:53,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:44:53,241 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-07-23 13:44:53,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,241 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:44:53,242 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:44:53,242 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:44:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:44:53,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:44:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:44:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:44:53,257 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:44:53,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,257 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:44:53,257 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:44:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:44:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:44:53,259 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,259 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:44:53,259 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,262 INFO L82 PathProgramCache]: Analyzing trace with hash 85672051, now seen corresponding path program 14 times [2018-07-23 13:44:53,263 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,342 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,343 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:44:53,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,345 INFO L185 omatonBuilderFactory]: Interpolants [1320#true, 1321#false, 1322#(<= ULTIMATE.start_main_~i~4 0), 1323#(<= ULTIMATE.start_main_~i~4 2), 1324#(<= ULTIMATE.start_main_~i~4 4), 1325#(<= ULTIMATE.start_main_~i~4 6), 1326#(<= ULTIMATE.start_main_~i~4 8), 1327#(<= ULTIMATE.start_main_~i~4 10), 1328#(<= ULTIMATE.start_main_~i~4 12), 1329#(<= ULTIMATE.start_main_~i~4 14), 1330#(<= ULTIMATE.start_main_~i~4 16), 1331#(<= ULTIMATE.start_main_~i~4 18), 1332#(<= ULTIMATE.start_main_~i~4 20), 1333#(<= ULTIMATE.start_main_~i~4 22), 1334#(<= ULTIMATE.start_main_~i~4 24), 1335#(<= ULTIMATE.start_main_~i~4 26), 1336#(<= ULTIMATE.start_main_~i~4 28)] [2018-07-23 13:44:53,345 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,346 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:44:53,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:44:53,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:44:53,348 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 17 states. [2018-07-23 13:44:53,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,375 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:44:53,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:44:53,381 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-07-23 13:44:53,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,382 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:44:53,382 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:44:53,383 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:44:53,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:44:53,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:44:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:44:53,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:44:53,393 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:44:53,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,393 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:44:53,393 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:44:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:44:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:44:53,401 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,402 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:44:53,402 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,402 INFO L82 PathProgramCache]: Analyzing trace with hash 726514477, now seen corresponding path program 15 times [2018-07-23 13:44:53,403 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,472 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,472 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:44:53,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,474 INFO L185 omatonBuilderFactory]: Interpolants [1481#true, 1482#false, 1483#(<= ULTIMATE.start_main_~i~4 0), 1484#(<= ULTIMATE.start_main_~i~4 2), 1485#(<= ULTIMATE.start_main_~i~4 4), 1486#(<= ULTIMATE.start_main_~i~4 6), 1487#(<= ULTIMATE.start_main_~i~4 8), 1488#(<= ULTIMATE.start_main_~i~4 10), 1489#(<= ULTIMATE.start_main_~i~4 12), 1490#(<= ULTIMATE.start_main_~i~4 14), 1491#(<= ULTIMATE.start_main_~i~4 16), 1492#(<= ULTIMATE.start_main_~i~4 18), 1493#(<= ULTIMATE.start_main_~i~4 20), 1494#(<= ULTIMATE.start_main_~i~4 22), 1495#(<= ULTIMATE.start_main_~i~4 24), 1496#(<= ULTIMATE.start_main_~i~4 26), 1497#(<= ULTIMATE.start_main_~i~4 28), 1498#(<= ULTIMATE.start_main_~i~4 30)] [2018-07-23 13:44:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:44:53,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:44:53,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:44:53,476 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 18 states. [2018-07-23 13:44:53,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,493 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:44:53,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:44:53,493 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-07-23 13:44:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,494 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:44:53,494 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:44:53,495 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:44:53,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:44:53,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:44:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:44:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:44:53,500 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:44:53,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,501 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:44:53,501 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:44:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:44:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:44:53,502 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,503 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:44:53,503 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1899204761, now seen corresponding path program 16 times [2018-07-23 13:44:53,504 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,562 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,562 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:44:53,562 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,562 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 13:44:53,563 INFO L185 omatonBuilderFactory]: Interpolants [1664#(<= ULTIMATE.start_main_~i~4 22), 1665#(<= ULTIMATE.start_main_~i~4 24), 1666#(<= ULTIMATE.start_main_~i~4 26), 1667#(<= ULTIMATE.start_main_~i~4 28), 1668#(<= ULTIMATE.start_main_~i~4 30), 1669#(<= ULTIMATE.start_main_~i~4 32), 1651#true, 1652#false, 1653#(<= ULTIMATE.start_main_~i~4 0), 1654#(<= ULTIMATE.start_main_~i~4 2), 1655#(<= ULTIMATE.start_main_~i~4 4), 1656#(<= ULTIMATE.start_main_~i~4 6), 1657#(<= ULTIMATE.start_main_~i~4 8), 1658#(<= ULTIMATE.start_main_~i~4 10), 1659#(<= ULTIMATE.start_main_~i~4 12), 1660#(<= ULTIMATE.start_main_~i~4 14), 1661#(<= ULTIMATE.start_main_~i~4 16), 1662#(<= ULTIMATE.start_main_~i~4 18), 1663#(<= ULTIMATE.start_main_~i~4 20)] [2018-07-23 13:44:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,564 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:44:53,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:44:53,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:44:53,565 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 19 states. [2018-07-23 13:44:53,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,579 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:44:53,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:44:53,579 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-07-23 13:44:53,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,580 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:44:53,582 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:44:53,583 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:44:53,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:44:53,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:44:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:44:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:44:53,590 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:44:53,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,591 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:44:53,591 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:44:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:44:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:44:53,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,594 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:44:53,595 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,595 INFO L82 PathProgramCache]: Analyzing trace with hash 225377569, now seen corresponding path program 17 times [2018-07-23 13:44:53,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,676 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,676 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:44:53,676 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,676 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 13:44:53,677 INFO L185 omatonBuilderFactory]: Interpolants [1830#true, 1831#false, 1832#(<= ULTIMATE.start_main_~i~4 0), 1833#(<= ULTIMATE.start_main_~i~4 2), 1834#(<= ULTIMATE.start_main_~i~4 4), 1835#(<= ULTIMATE.start_main_~i~4 6), 1836#(<= ULTIMATE.start_main_~i~4 8), 1837#(<= ULTIMATE.start_main_~i~4 10), 1838#(<= ULTIMATE.start_main_~i~4 12), 1839#(<= ULTIMATE.start_main_~i~4 14), 1840#(<= ULTIMATE.start_main_~i~4 16), 1841#(<= ULTIMATE.start_main_~i~4 18), 1842#(<= ULTIMATE.start_main_~i~4 20), 1843#(<= ULTIMATE.start_main_~i~4 22), 1844#(<= ULTIMATE.start_main_~i~4 24), 1845#(<= ULTIMATE.start_main_~i~4 26), 1846#(<= ULTIMATE.start_main_~i~4 28), 1847#(<= ULTIMATE.start_main_~i~4 30), 1848#(<= ULTIMATE.start_main_~i~4 32), 1849#(<= ULTIMATE.start_main_~i~4 34)] [2018-07-23 13:44:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,678 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:44:53,678 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:44:53,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:44:53,679 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 20 states. [2018-07-23 13:44:53,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,698 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:44:53,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:44:53,699 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2018-07-23 13:44:53,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,700 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:44:53,700 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:44:53,701 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:44:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:44:53,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:44:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:44:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:44:53,710 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:44:53,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,711 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:44:53,711 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:44:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:44:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:44:53,712 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,712 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:44:53,712 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1839531099, now seen corresponding path program 18 times [2018-07-23 13:44:53,713 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,822 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:44:53,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,823 INFO L185 omatonBuilderFactory]: Interpolants [2018#true, 2019#false, 2020#(<= ULTIMATE.start_main_~i~4 0), 2021#(<= ULTIMATE.start_main_~i~4 2), 2022#(<= ULTIMATE.start_main_~i~4 4), 2023#(<= ULTIMATE.start_main_~i~4 6), 2024#(<= ULTIMATE.start_main_~i~4 8), 2025#(<= ULTIMATE.start_main_~i~4 10), 2026#(<= ULTIMATE.start_main_~i~4 12), 2027#(<= ULTIMATE.start_main_~i~4 14), 2028#(<= ULTIMATE.start_main_~i~4 16), 2029#(<= ULTIMATE.start_main_~i~4 18), 2030#(<= ULTIMATE.start_main_~i~4 20), 2031#(<= ULTIMATE.start_main_~i~4 22), 2032#(<= ULTIMATE.start_main_~i~4 24), 2033#(<= ULTIMATE.start_main_~i~4 26), 2034#(<= ULTIMATE.start_main_~i~4 28), 2035#(<= ULTIMATE.start_main_~i~4 30), 2036#(<= ULTIMATE.start_main_~i~4 32), 2037#(<= ULTIMATE.start_main_~i~4 34), 2038#(<= ULTIMATE.start_main_~i~4 36)] [2018-07-23 13:44:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,824 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:44:53,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:44:53,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:44:53,826 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 21 states. [2018-07-23 13:44:53,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,854 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:44:53,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:44:53,854 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-07-23 13:44:53,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,855 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:44:53,856 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:44:53,857 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:44:53,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:44:53,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:44:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:44:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:44:53,864 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:44:53,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,864 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:44:53,864 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:44:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:44:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:44:53,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,866 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:44:53,866 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1737087723, now seen corresponding path program 19 times [2018-07-23 13:44:53,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,947 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,947 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:44:53,948 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,948 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 13:44:53,949 INFO L185 omatonBuilderFactory]: Interpolants [2215#true, 2216#false, 2217#(<= ULTIMATE.start_main_~i~4 0), 2218#(<= ULTIMATE.start_main_~i~4 2), 2219#(<= ULTIMATE.start_main_~i~4 4), 2220#(<= ULTIMATE.start_main_~i~4 6), 2221#(<= ULTIMATE.start_main_~i~4 8), 2222#(<= ULTIMATE.start_main_~i~4 10), 2223#(<= ULTIMATE.start_main_~i~4 12), 2224#(<= ULTIMATE.start_main_~i~4 14), 2225#(<= ULTIMATE.start_main_~i~4 16), 2226#(<= ULTIMATE.start_main_~i~4 18), 2227#(<= ULTIMATE.start_main_~i~4 20), 2228#(<= ULTIMATE.start_main_~i~4 22), 2229#(<= ULTIMATE.start_main_~i~4 24), 2230#(<= ULTIMATE.start_main_~i~4 26), 2231#(<= ULTIMATE.start_main_~i~4 28), 2232#(<= ULTIMATE.start_main_~i~4 30), 2233#(<= ULTIMATE.start_main_~i~4 32), 2234#(<= ULTIMATE.start_main_~i~4 34), 2235#(<= ULTIMATE.start_main_~i~4 36), 2236#(<= ULTIMATE.start_main_~i~4 38)] [2018-07-23 13:44:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,953 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:44:53,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:44:53,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:44:53,954 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-07-23 13:44:53,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,979 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:44:53,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:44:53,980 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2018-07-23 13:44:53,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,980 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:44:53,981 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:44:53,981 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:44:53,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:44:53,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:44:53,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:44:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:44:53,987 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:44:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,987 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:44:53,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:44:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:44:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:44:53,988 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,988 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:44:53,988 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1401028431, now seen corresponding path program 20 times [2018-07-23 13:44:53,989 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,073 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:54,073 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:44:54,074 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:54,074 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 13:44:54,075 INFO L185 omatonBuilderFactory]: Interpolants [2432#(<= ULTIMATE.start_main_~i~4 18), 2433#(<= ULTIMATE.start_main_~i~4 20), 2434#(<= ULTIMATE.start_main_~i~4 22), 2435#(<= ULTIMATE.start_main_~i~4 24), 2436#(<= ULTIMATE.start_main_~i~4 26), 2437#(<= ULTIMATE.start_main_~i~4 28), 2438#(<= ULTIMATE.start_main_~i~4 30), 2439#(<= ULTIMATE.start_main_~i~4 32), 2440#(<= ULTIMATE.start_main_~i~4 34), 2441#(<= ULTIMATE.start_main_~i~4 36), 2442#(<= ULTIMATE.start_main_~i~4 38), 2443#(<= ULTIMATE.start_main_~i~4 40), 2421#true, 2422#false, 2423#(<= ULTIMATE.start_main_~i~4 0), 2424#(<= ULTIMATE.start_main_~i~4 2), 2425#(<= ULTIMATE.start_main_~i~4 4), 2426#(<= ULTIMATE.start_main_~i~4 6), 2427#(<= ULTIMATE.start_main_~i~4 8), 2428#(<= ULTIMATE.start_main_~i~4 10), 2429#(<= ULTIMATE.start_main_~i~4 12), 2430#(<= ULTIMATE.start_main_~i~4 14), 2431#(<= ULTIMATE.start_main_~i~4 16)] [2018-07-23 13:44:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,077 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:44:54,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:44:54,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:44:54,079 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 23 states. [2018-07-23 13:44:54,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:54,103 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:44:54,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:44:54,104 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-07-23 13:44:54,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:54,104 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:44:54,104 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:44:54,105 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:44:54,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:44:54,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:44:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:44:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:44:54,114 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:44:54,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:54,115 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:44:54,115 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:44:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:44:54,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:44:54,116 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:54,116 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:44:54,116 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:54,119 INFO L82 PathProgramCache]: Analyzing trace with hash 2063610633, now seen corresponding path program 21 times [2018-07-23 13:44:54,119 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,216 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:54,216 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:44:54,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,217 INFO L185 omatonBuilderFactory]: Interpolants [2656#(<= ULTIMATE.start_main_~i~4 36), 2657#(<= ULTIMATE.start_main_~i~4 38), 2658#(<= ULTIMATE.start_main_~i~4 40), 2659#(<= ULTIMATE.start_main_~i~4 42), 2636#true, 2637#false, 2638#(<= ULTIMATE.start_main_~i~4 0), 2639#(<= ULTIMATE.start_main_~i~4 2), 2640#(<= ULTIMATE.start_main_~i~4 4), 2641#(<= ULTIMATE.start_main_~i~4 6), 2642#(<= ULTIMATE.start_main_~i~4 8), 2643#(<= ULTIMATE.start_main_~i~4 10), 2644#(<= ULTIMATE.start_main_~i~4 12), 2645#(<= ULTIMATE.start_main_~i~4 14), 2646#(<= ULTIMATE.start_main_~i~4 16), 2647#(<= ULTIMATE.start_main_~i~4 18), 2648#(<= ULTIMATE.start_main_~i~4 20), 2649#(<= ULTIMATE.start_main_~i~4 22), 2650#(<= ULTIMATE.start_main_~i~4 24), 2651#(<= ULTIMATE.start_main_~i~4 26), 2652#(<= ULTIMATE.start_main_~i~4 28), 2653#(<= ULTIMATE.start_main_~i~4 30), 2654#(<= ULTIMATE.start_main_~i~4 32), 2655#(<= ULTIMATE.start_main_~i~4 34)] [2018-07-23 13:44:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:44:54,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:44:54,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:44:54,219 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 24 states. [2018-07-23 13:44:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:54,239 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:44:54,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:44:54,239 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2018-07-23 13:44:54,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:54,240 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:44:54,240 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:44:54,241 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:44:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:44:54,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:44:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:44:54,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:44:54,246 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:44:54,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:54,247 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:44:54,247 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:44:54,247 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:44:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:44:54,248 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:54,248 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:44:54,248 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:54,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1145020349, now seen corresponding path program 22 times [2018-07-23 13:44:54,249 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,341 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:54,341 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:44:54,342 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,342 INFO L185 omatonBuilderFactory]: Interpolants [2880#(<= ULTIMATE.start_main_~i~4 36), 2881#(<= ULTIMATE.start_main_~i~4 38), 2882#(<= ULTIMATE.start_main_~i~4 40), 2883#(<= ULTIMATE.start_main_~i~4 42), 2884#(<= ULTIMATE.start_main_~i~4 44), 2860#true, 2861#false, 2862#(<= ULTIMATE.start_main_~i~4 0), 2863#(<= ULTIMATE.start_main_~i~4 2), 2864#(<= ULTIMATE.start_main_~i~4 4), 2865#(<= ULTIMATE.start_main_~i~4 6), 2866#(<= ULTIMATE.start_main_~i~4 8), 2867#(<= ULTIMATE.start_main_~i~4 10), 2868#(<= ULTIMATE.start_main_~i~4 12), 2869#(<= ULTIMATE.start_main_~i~4 14), 2870#(<= ULTIMATE.start_main_~i~4 16), 2871#(<= ULTIMATE.start_main_~i~4 18), 2872#(<= ULTIMATE.start_main_~i~4 20), 2873#(<= ULTIMATE.start_main_~i~4 22), 2874#(<= ULTIMATE.start_main_~i~4 24), 2875#(<= ULTIMATE.start_main_~i~4 26), 2876#(<= ULTIMATE.start_main_~i~4 28), 2877#(<= ULTIMATE.start_main_~i~4 30), 2878#(<= ULTIMATE.start_main_~i~4 32), 2879#(<= ULTIMATE.start_main_~i~4 34)] [2018-07-23 13:44:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,343 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:44:54,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:44:54,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:44:54,344 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 25 states. [2018-07-23 13:44:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:54,365 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:44:54,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:44:54,366 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-07-23 13:44:54,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:54,366 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:44:54,367 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:44:54,367 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:44:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:44:54,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:44:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:44:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:44:54,372 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:44:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:54,373 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:44:54,373 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:44:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:44:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:44:54,374 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:54,374 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:44:54,374 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:54,374 INFO L82 PathProgramCache]: Analyzing trace with hash -852875523, now seen corresponding path program 23 times [2018-07-23 13:44:54,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,473 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:54,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:44:54,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,474 INFO L185 omatonBuilderFactory]: Interpolants [3093#true, 3094#false, 3095#(<= ULTIMATE.start_main_~i~4 0), 3096#(<= ULTIMATE.start_main_~i~4 2), 3097#(<= ULTIMATE.start_main_~i~4 4), 3098#(<= ULTIMATE.start_main_~i~4 6), 3099#(<= ULTIMATE.start_main_~i~4 8), 3100#(<= ULTIMATE.start_main_~i~4 10), 3101#(<= ULTIMATE.start_main_~i~4 12), 3102#(<= ULTIMATE.start_main_~i~4 14), 3103#(<= ULTIMATE.start_main_~i~4 16), 3104#(<= ULTIMATE.start_main_~i~4 18), 3105#(<= ULTIMATE.start_main_~i~4 20), 3106#(<= ULTIMATE.start_main_~i~4 22), 3107#(<= ULTIMATE.start_main_~i~4 24), 3108#(<= ULTIMATE.start_main_~i~4 26), 3109#(<= ULTIMATE.start_main_~i~4 28), 3110#(<= ULTIMATE.start_main_~i~4 30), 3111#(<= ULTIMATE.start_main_~i~4 32), 3112#(<= ULTIMATE.start_main_~i~4 34), 3113#(<= ULTIMATE.start_main_~i~4 36), 3114#(<= ULTIMATE.start_main_~i~4 38), 3115#(<= ULTIMATE.start_main_~i~4 40), 3116#(<= ULTIMATE.start_main_~i~4 42), 3117#(<= ULTIMATE.start_main_~i~4 44), 3118#(<= ULTIMATE.start_main_~i~4 46)] [2018-07-23 13:44:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:44:54,478 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:44:54,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:44:54,479 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 26 states. [2018-07-23 13:44:54,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:54,501 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:44:54,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:44:54,501 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 50 [2018-07-23 13:44:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:54,504 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:44:54,504 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:44:54,505 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:44:54,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:44:54,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:44:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:44:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:44:54,513 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:44:54,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:54,513 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:44:54,513 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:44:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:44:54,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:44:54,514 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:54,514 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:44:54,514 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:54,515 INFO L82 PathProgramCache]: Analyzing trace with hash 725428023, now seen corresponding path program 24 times [2018-07-23 13:44:54,515 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,629 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:54,629 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:44:54,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,632 INFO L185 omatonBuilderFactory]: Interpolants [3335#true, 3336#false, 3337#(<= ULTIMATE.start_main_~i~4 0), 3338#(<= ULTIMATE.start_main_~i~4 2), 3339#(<= ULTIMATE.start_main_~i~4 4), 3340#(<= ULTIMATE.start_main_~i~4 6), 3341#(<= ULTIMATE.start_main_~i~4 8), 3342#(<= ULTIMATE.start_main_~i~4 10), 3343#(<= ULTIMATE.start_main_~i~4 12), 3344#(<= ULTIMATE.start_main_~i~4 14), 3345#(<= ULTIMATE.start_main_~i~4 16), 3346#(<= ULTIMATE.start_main_~i~4 18), 3347#(<= ULTIMATE.start_main_~i~4 20), 3348#(<= ULTIMATE.start_main_~i~4 22), 3349#(<= ULTIMATE.start_main_~i~4 24), 3350#(<= ULTIMATE.start_main_~i~4 26), 3351#(<= ULTIMATE.start_main_~i~4 28), 3352#(<= ULTIMATE.start_main_~i~4 30), 3353#(<= ULTIMATE.start_main_~i~4 32), 3354#(<= ULTIMATE.start_main_~i~4 34), 3355#(<= ULTIMATE.start_main_~i~4 36), 3356#(<= ULTIMATE.start_main_~i~4 38), 3357#(<= ULTIMATE.start_main_~i~4 40), 3358#(<= ULTIMATE.start_main_~i~4 42), 3359#(<= ULTIMATE.start_main_~i~4 44), 3360#(<= ULTIMATE.start_main_~i~4 46), 3361#(<= ULTIMATE.start_main_~i~4 48)] [2018-07-23 13:44:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:44:54,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:44:54,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:44:54,634 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 27 states. [2018-07-23 13:44:54,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:54,661 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:44:54,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:44:54,662 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2018-07-23 13:44:54,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:54,663 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:44:54,663 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:44:54,664 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:44:54,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:44:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:44:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:44:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:44:54,676 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:44:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:54,679 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:44:54,679 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:44:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:44:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:44:54,679 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:54,680 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:44:54,680 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:54,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1351680241, now seen corresponding path program 25 times [2018-07-23 13:44:54,680 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:54,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:44:54,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,813 INFO L185 omatonBuilderFactory]: Interpolants [3586#true, 3587#false, 3588#(<= ULTIMATE.start_main_~i~4 0), 3589#(<= ULTIMATE.start_main_~i~4 2), 3590#(<= ULTIMATE.start_main_~i~4 4), 3591#(<= ULTIMATE.start_main_~i~4 6), 3592#(<= ULTIMATE.start_main_~i~4 8), 3593#(<= ULTIMATE.start_main_~i~4 10), 3594#(<= ULTIMATE.start_main_~i~4 12), 3595#(<= ULTIMATE.start_main_~i~4 14), 3596#(<= ULTIMATE.start_main_~i~4 16), 3597#(<= ULTIMATE.start_main_~i~4 18), 3598#(<= ULTIMATE.start_main_~i~4 20), 3599#(<= ULTIMATE.start_main_~i~4 22), 3600#(<= ULTIMATE.start_main_~i~4 24), 3601#(<= ULTIMATE.start_main_~i~4 26), 3602#(<= ULTIMATE.start_main_~i~4 28), 3603#(<= ULTIMATE.start_main_~i~4 30), 3604#(<= ULTIMATE.start_main_~i~4 32), 3605#(<= ULTIMATE.start_main_~i~4 34), 3606#(<= ULTIMATE.start_main_~i~4 36), 3607#(<= ULTIMATE.start_main_~i~4 38), 3608#(<= ULTIMATE.start_main_~i~4 40), 3609#(<= ULTIMATE.start_main_~i~4 42), 3610#(<= ULTIMATE.start_main_~i~4 44), 3611#(<= ULTIMATE.start_main_~i~4 46), 3612#(<= ULTIMATE.start_main_~i~4 48), 3613#(<= ULTIMATE.start_main_~i~4 50)] [2018-07-23 13:44:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,814 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:44:54,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:44:54,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:44:54,815 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 28 states. [2018-07-23 13:44:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:54,839 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:44:54,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:44:54,839 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 54 [2018-07-23 13:44:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:54,840 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:44:54,840 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:44:54,841 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:44:54,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:44:54,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:44:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:44:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:44:54,847 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:44:54,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:54,847 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:44:54,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:44:54,847 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:44:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:44:54,848 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:54,848 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:44:54,848 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:54,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1884640299, now seen corresponding path program 26 times [2018-07-23 13:44:54,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,989 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:54,989 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:44:54,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,990 INFO L185 omatonBuilderFactory]: Interpolants [3846#true, 3847#false, 3848#(<= ULTIMATE.start_main_~i~4 0), 3849#(<= ULTIMATE.start_main_~i~4 2), 3850#(<= ULTIMATE.start_main_~i~4 4), 3851#(<= ULTIMATE.start_main_~i~4 6), 3852#(<= ULTIMATE.start_main_~i~4 8), 3853#(<= ULTIMATE.start_main_~i~4 10), 3854#(<= ULTIMATE.start_main_~i~4 12), 3855#(<= ULTIMATE.start_main_~i~4 14), 3856#(<= ULTIMATE.start_main_~i~4 16), 3857#(<= ULTIMATE.start_main_~i~4 18), 3858#(<= ULTIMATE.start_main_~i~4 20), 3859#(<= ULTIMATE.start_main_~i~4 22), 3860#(<= ULTIMATE.start_main_~i~4 24), 3861#(<= ULTIMATE.start_main_~i~4 26), 3862#(<= ULTIMATE.start_main_~i~4 28), 3863#(<= ULTIMATE.start_main_~i~4 30), 3864#(<= ULTIMATE.start_main_~i~4 32), 3865#(<= ULTIMATE.start_main_~i~4 34), 3866#(<= ULTIMATE.start_main_~i~4 36), 3867#(<= ULTIMATE.start_main_~i~4 38), 3868#(<= ULTIMATE.start_main_~i~4 40), 3869#(<= ULTIMATE.start_main_~i~4 42), 3870#(<= ULTIMATE.start_main_~i~4 44), 3871#(<= ULTIMATE.start_main_~i~4 46), 3872#(<= ULTIMATE.start_main_~i~4 48), 3873#(<= ULTIMATE.start_main_~i~4 50), 3874#(<= ULTIMATE.start_main_~i~4 52)] [2018-07-23 13:44:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:54,991 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:44:54,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:44:54,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:44:54,994 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 29 states. [2018-07-23 13:44:55,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,015 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:44:55,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:44:55,015 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 56 [2018-07-23 13:44:55,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,016 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:44:55,016 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:44:55,017 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:44:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:44:55,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:44:55,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:44:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:44:55,020 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:44:55,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,021 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:44:55,021 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:44:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:44:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:44:55,026 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,026 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:44:55,026 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1336819483, now seen corresponding path program 27 times [2018-07-23 13:44:55,027 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:55,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:44:55,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:55,167 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 13:44:55,167 INFO L185 omatonBuilderFactory]: Interpolants [4115#true, 4116#false, 4117#(<= ULTIMATE.start_main_~i~4 0), 4118#(<= ULTIMATE.start_main_~i~4 2), 4119#(<= ULTIMATE.start_main_~i~4 4), 4120#(<= ULTIMATE.start_main_~i~4 6), 4121#(<= ULTIMATE.start_main_~i~4 8), 4122#(<= ULTIMATE.start_main_~i~4 10), 4123#(<= ULTIMATE.start_main_~i~4 12), 4124#(<= ULTIMATE.start_main_~i~4 14), 4125#(<= ULTIMATE.start_main_~i~4 16), 4126#(<= ULTIMATE.start_main_~i~4 18), 4127#(<= ULTIMATE.start_main_~i~4 20), 4128#(<= ULTIMATE.start_main_~i~4 22), 4129#(<= ULTIMATE.start_main_~i~4 24), 4130#(<= ULTIMATE.start_main_~i~4 26), 4131#(<= ULTIMATE.start_main_~i~4 28), 4132#(<= ULTIMATE.start_main_~i~4 30), 4133#(<= ULTIMATE.start_main_~i~4 32), 4134#(<= ULTIMATE.start_main_~i~4 34), 4135#(<= ULTIMATE.start_main_~i~4 36), 4136#(<= ULTIMATE.start_main_~i~4 38), 4137#(<= ULTIMATE.start_main_~i~4 40), 4138#(<= ULTIMATE.start_main_~i~4 42), 4139#(<= ULTIMATE.start_main_~i~4 44), 4140#(<= ULTIMATE.start_main_~i~4 46), 4141#(<= ULTIMATE.start_main_~i~4 48), 4142#(<= ULTIMATE.start_main_~i~4 50), 4143#(<= ULTIMATE.start_main_~i~4 52), 4144#(<= ULTIMATE.start_main_~i~4 54)] [2018-07-23 13:44:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:44:55,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:44:55,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:44:55,173 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 30 states. [2018-07-23 13:44:55,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,201 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:44:55,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:44:55,202 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 58 [2018-07-23 13:44:55,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,203 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:44:55,203 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:44:55,204 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:44:55,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:44:55,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:44:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:44:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:44:55,210 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:44:55,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,210 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:44:55,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:44:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:44:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:44:55,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,211 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:44:55,212 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,212 INFO L82 PathProgramCache]: Analyzing trace with hash -488249569, now seen corresponding path program 28 times [2018-07-23 13:44:55,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:55,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:44:55,345 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,346 INFO L185 omatonBuilderFactory]: Interpolants [4416#(<= ULTIMATE.start_main_~i~4 42), 4417#(<= ULTIMATE.start_main_~i~4 44), 4418#(<= ULTIMATE.start_main_~i~4 46), 4419#(<= ULTIMATE.start_main_~i~4 48), 4420#(<= ULTIMATE.start_main_~i~4 50), 4421#(<= ULTIMATE.start_main_~i~4 52), 4422#(<= ULTIMATE.start_main_~i~4 54), 4423#(<= ULTIMATE.start_main_~i~4 56), 4393#true, 4394#false, 4395#(<= ULTIMATE.start_main_~i~4 0), 4396#(<= ULTIMATE.start_main_~i~4 2), 4397#(<= ULTIMATE.start_main_~i~4 4), 4398#(<= ULTIMATE.start_main_~i~4 6), 4399#(<= ULTIMATE.start_main_~i~4 8), 4400#(<= ULTIMATE.start_main_~i~4 10), 4401#(<= ULTIMATE.start_main_~i~4 12), 4402#(<= ULTIMATE.start_main_~i~4 14), 4403#(<= ULTIMATE.start_main_~i~4 16), 4404#(<= ULTIMATE.start_main_~i~4 18), 4405#(<= ULTIMATE.start_main_~i~4 20), 4406#(<= ULTIMATE.start_main_~i~4 22), 4407#(<= ULTIMATE.start_main_~i~4 24), 4408#(<= ULTIMATE.start_main_~i~4 26), 4409#(<= ULTIMATE.start_main_~i~4 28), 4410#(<= ULTIMATE.start_main_~i~4 30), 4411#(<= ULTIMATE.start_main_~i~4 32), 4412#(<= ULTIMATE.start_main_~i~4 34), 4413#(<= ULTIMATE.start_main_~i~4 36), 4414#(<= ULTIMATE.start_main_~i~4 38), 4415#(<= ULTIMATE.start_main_~i~4 40)] [2018-07-23 13:44:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,348 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:44:55,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:44:55,349 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:44:55,349 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 31 states. [2018-07-23 13:44:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,368 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:44:55,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:44:55,368 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 60 [2018-07-23 13:44:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,369 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:44:55,369 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:44:55,370 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:44:55,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:44:55,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:44:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:44:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:44:55,375 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:44:55,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,375 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:44:55,375 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:44:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:44:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:44:55,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,376 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:44:55,376 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1056348455, now seen corresponding path program 29 times [2018-07-23 13:44:55,377 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,520 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:55,520 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:44:55,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,521 INFO L185 omatonBuilderFactory]: Interpolants [4680#true, 4681#false, 4682#(<= ULTIMATE.start_main_~i~4 0), 4683#(<= ULTIMATE.start_main_~i~4 2), 4684#(<= ULTIMATE.start_main_~i~4 4), 4685#(<= ULTIMATE.start_main_~i~4 6), 4686#(<= ULTIMATE.start_main_~i~4 8), 4687#(<= ULTIMATE.start_main_~i~4 10), 4688#(<= ULTIMATE.start_main_~i~4 12), 4689#(<= ULTIMATE.start_main_~i~4 14), 4690#(<= ULTIMATE.start_main_~i~4 16), 4691#(<= ULTIMATE.start_main_~i~4 18), 4692#(<= ULTIMATE.start_main_~i~4 20), 4693#(<= ULTIMATE.start_main_~i~4 22), 4694#(<= ULTIMATE.start_main_~i~4 24), 4695#(<= ULTIMATE.start_main_~i~4 26), 4696#(<= ULTIMATE.start_main_~i~4 28), 4697#(<= ULTIMATE.start_main_~i~4 30), 4698#(<= ULTIMATE.start_main_~i~4 32), 4699#(<= ULTIMATE.start_main_~i~4 34), 4700#(<= ULTIMATE.start_main_~i~4 36), 4701#(<= ULTIMATE.start_main_~i~4 38), 4702#(<= ULTIMATE.start_main_~i~4 40), 4703#(<= ULTIMATE.start_main_~i~4 42), 4704#(<= ULTIMATE.start_main_~i~4 44), 4705#(<= ULTIMATE.start_main_~i~4 46), 4706#(<= ULTIMATE.start_main_~i~4 48), 4707#(<= ULTIMATE.start_main_~i~4 50), 4708#(<= ULTIMATE.start_main_~i~4 52), 4709#(<= ULTIMATE.start_main_~i~4 54), 4710#(<= ULTIMATE.start_main_~i~4 56), 4711#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:44:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,522 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:44:55,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:44:55,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:44:55,523 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 32 states. [2018-07-23 13:44:55,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,545 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:44:55,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:44:55,546 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2018-07-23 13:44:55,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,546 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:44:55,547 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:44:55,548 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:44:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:44:55,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:44:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:44:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:44:55,570 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:44:55,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,571 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:44:55,571 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:44:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:44:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:44:55,572 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,572 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:44:55,572 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1538531309, now seen corresponding path program 30 times [2018-07-23 13:44:55,584 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,734 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:55,734 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:44:55,734 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:55,734 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 13:44:55,735 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= ULTIMATE.start_main_~i~4 28), 4993#(<= ULTIMATE.start_main_~i~4 30), 4994#(<= ULTIMATE.start_main_~i~4 32), 4995#(<= ULTIMATE.start_main_~i~4 34), 4996#(<= ULTIMATE.start_main_~i~4 36), 4997#(<= ULTIMATE.start_main_~i~4 38), 4998#(<= ULTIMATE.start_main_~i~4 40), 4999#(<= ULTIMATE.start_main_~i~4 42), 5000#(<= ULTIMATE.start_main_~i~4 44), 5001#(<= ULTIMATE.start_main_~i~4 46), 5002#(<= ULTIMATE.start_main_~i~4 48), 5003#(<= ULTIMATE.start_main_~i~4 50), 5004#(<= ULTIMATE.start_main_~i~4 52), 5005#(<= ULTIMATE.start_main_~i~4 54), 5006#(<= ULTIMATE.start_main_~i~4 56), 5007#(<= ULTIMATE.start_main_~i~4 58), 5008#(<= ULTIMATE.start_main_~i~4 60), 4976#true, 4977#false, 4978#(<= ULTIMATE.start_main_~i~4 0), 4979#(<= ULTIMATE.start_main_~i~4 2), 4980#(<= ULTIMATE.start_main_~i~4 4), 4981#(<= ULTIMATE.start_main_~i~4 6), 4982#(<= ULTIMATE.start_main_~i~4 8), 4983#(<= ULTIMATE.start_main_~i~4 10), 4984#(<= ULTIMATE.start_main_~i~4 12), 4985#(<= ULTIMATE.start_main_~i~4 14), 4986#(<= ULTIMATE.start_main_~i~4 16), 4987#(<= ULTIMATE.start_main_~i~4 18), 4988#(<= ULTIMATE.start_main_~i~4 20), 4989#(<= ULTIMATE.start_main_~i~4 22), 4990#(<= ULTIMATE.start_main_~i~4 24), 4991#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:44:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,736 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:44:55,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:44:55,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:44:55,737 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 33 states. [2018-07-23 13:44:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,757 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:44:55,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:44:55,757 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 64 [2018-07-23 13:44:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,758 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:44:55,758 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:44:55,759 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:44:55,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:44:55,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:44:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:44:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:44:55,762 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:44:55,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,763 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:44:55,763 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:44:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:44:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:44:55,763 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,764 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:44:55,764 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1059786035, now seen corresponding path program 31 times [2018-07-23 13:44:55,764 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,888 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:55,889 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:44:55,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:55,889 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 13:44:55,890 INFO L185 omatonBuilderFactory]: Interpolants [5312#(<= ULTIMATE.start_main_~i~4 58), 5313#(<= ULTIMATE.start_main_~i~4 60), 5314#(<= ULTIMATE.start_main_~i~4 62), 5281#true, 5282#false, 5283#(<= ULTIMATE.start_main_~i~4 0), 5284#(<= ULTIMATE.start_main_~i~4 2), 5285#(<= ULTIMATE.start_main_~i~4 4), 5286#(<= ULTIMATE.start_main_~i~4 6), 5287#(<= ULTIMATE.start_main_~i~4 8), 5288#(<= ULTIMATE.start_main_~i~4 10), 5289#(<= ULTIMATE.start_main_~i~4 12), 5290#(<= ULTIMATE.start_main_~i~4 14), 5291#(<= ULTIMATE.start_main_~i~4 16), 5292#(<= ULTIMATE.start_main_~i~4 18), 5293#(<= ULTIMATE.start_main_~i~4 20), 5294#(<= ULTIMATE.start_main_~i~4 22), 5295#(<= ULTIMATE.start_main_~i~4 24), 5296#(<= ULTIMATE.start_main_~i~4 26), 5297#(<= ULTIMATE.start_main_~i~4 28), 5298#(<= ULTIMATE.start_main_~i~4 30), 5299#(<= ULTIMATE.start_main_~i~4 32), 5300#(<= ULTIMATE.start_main_~i~4 34), 5301#(<= ULTIMATE.start_main_~i~4 36), 5302#(<= ULTIMATE.start_main_~i~4 38), 5303#(<= ULTIMATE.start_main_~i~4 40), 5304#(<= ULTIMATE.start_main_~i~4 42), 5305#(<= ULTIMATE.start_main_~i~4 44), 5306#(<= ULTIMATE.start_main_~i~4 46), 5307#(<= ULTIMATE.start_main_~i~4 48), 5308#(<= ULTIMATE.start_main_~i~4 50), 5309#(<= ULTIMATE.start_main_~i~4 52), 5310#(<= ULTIMATE.start_main_~i~4 54), 5311#(<= ULTIMATE.start_main_~i~4 56)] [2018-07-23 13:44:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:55,891 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:44:55,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:44:55,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:44:55,892 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 34 states. [2018-07-23 13:44:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,910 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:44:55,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:44:55,911 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 66 [2018-07-23 13:44:55,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,911 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:44:55,912 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:44:55,913 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:44:55,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:44:55,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:44:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:44:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:44:55,916 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:44:55,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,916 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:44:55,917 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:44:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:44:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:44:55,917 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,917 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:44:55,918 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,918 INFO L82 PathProgramCache]: Analyzing trace with hash -547078393, now seen corresponding path program 32 times [2018-07-23 13:44:55,918 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,050 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:44:56,051 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,051 INFO L185 omatonBuilderFactory]: Interpolants [5595#true, 5596#false, 5597#(<= ULTIMATE.start_main_~i~4 0), 5598#(<= ULTIMATE.start_main_~i~4 2), 5599#(<= ULTIMATE.start_main_~i~4 4), 5600#(<= ULTIMATE.start_main_~i~4 6), 5601#(<= ULTIMATE.start_main_~i~4 8), 5602#(<= ULTIMATE.start_main_~i~4 10), 5603#(<= ULTIMATE.start_main_~i~4 12), 5604#(<= ULTIMATE.start_main_~i~4 14), 5605#(<= ULTIMATE.start_main_~i~4 16), 5606#(<= ULTIMATE.start_main_~i~4 18), 5607#(<= ULTIMATE.start_main_~i~4 20), 5608#(<= ULTIMATE.start_main_~i~4 22), 5609#(<= ULTIMATE.start_main_~i~4 24), 5610#(<= ULTIMATE.start_main_~i~4 26), 5611#(<= ULTIMATE.start_main_~i~4 28), 5612#(<= ULTIMATE.start_main_~i~4 30), 5613#(<= ULTIMATE.start_main_~i~4 32), 5614#(<= ULTIMATE.start_main_~i~4 34), 5615#(<= ULTIMATE.start_main_~i~4 36), 5616#(<= ULTIMATE.start_main_~i~4 38), 5617#(<= ULTIMATE.start_main_~i~4 40), 5618#(<= ULTIMATE.start_main_~i~4 42), 5619#(<= ULTIMATE.start_main_~i~4 44), 5620#(<= ULTIMATE.start_main_~i~4 46), 5621#(<= ULTIMATE.start_main_~i~4 48), 5622#(<= ULTIMATE.start_main_~i~4 50), 5623#(<= ULTIMATE.start_main_~i~4 52), 5624#(<= ULTIMATE.start_main_~i~4 54), 5625#(<= ULTIMATE.start_main_~i~4 56), 5626#(<= ULTIMATE.start_main_~i~4 58), 5627#(<= ULTIMATE.start_main_~i~4 60), 5628#(<= ULTIMATE.start_main_~i~4 62), 5629#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:44:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,053 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:44:56,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:44:56,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:44:56,055 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 35 states. [2018-07-23 13:44:56,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:56,080 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:44:56,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:44:56,080 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 68 [2018-07-23 13:44:56,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:56,081 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:44:56,081 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:44:56,083 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:44:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:44:56,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:44:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:44:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:44:56,087 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:44:56,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:56,087 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:44:56,087 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:44:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:44:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:44:56,088 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:56,088 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:44:56,088 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:56,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1756273471, now seen corresponding path program 33 times [2018-07-23 13:44:56,089 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,229 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:44:56,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,230 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= ULTIMATE.start_main_~i~4 64), 5953#(<= ULTIMATE.start_main_~i~4 66), 5918#true, 5919#false, 5920#(<= ULTIMATE.start_main_~i~4 0), 5921#(<= ULTIMATE.start_main_~i~4 2), 5922#(<= ULTIMATE.start_main_~i~4 4), 5923#(<= ULTIMATE.start_main_~i~4 6), 5924#(<= ULTIMATE.start_main_~i~4 8), 5925#(<= ULTIMATE.start_main_~i~4 10), 5926#(<= ULTIMATE.start_main_~i~4 12), 5927#(<= ULTIMATE.start_main_~i~4 14), 5928#(<= ULTIMATE.start_main_~i~4 16), 5929#(<= ULTIMATE.start_main_~i~4 18), 5930#(<= ULTIMATE.start_main_~i~4 20), 5931#(<= ULTIMATE.start_main_~i~4 22), 5932#(<= ULTIMATE.start_main_~i~4 24), 5933#(<= ULTIMATE.start_main_~i~4 26), 5934#(<= ULTIMATE.start_main_~i~4 28), 5935#(<= ULTIMATE.start_main_~i~4 30), 5936#(<= ULTIMATE.start_main_~i~4 32), 5937#(<= ULTIMATE.start_main_~i~4 34), 5938#(<= ULTIMATE.start_main_~i~4 36), 5939#(<= ULTIMATE.start_main_~i~4 38), 5940#(<= ULTIMATE.start_main_~i~4 40), 5941#(<= ULTIMATE.start_main_~i~4 42), 5942#(<= ULTIMATE.start_main_~i~4 44), 5943#(<= ULTIMATE.start_main_~i~4 46), 5944#(<= ULTIMATE.start_main_~i~4 48), 5945#(<= ULTIMATE.start_main_~i~4 50), 5946#(<= ULTIMATE.start_main_~i~4 52), 5947#(<= ULTIMATE.start_main_~i~4 54), 5948#(<= ULTIMATE.start_main_~i~4 56), 5949#(<= ULTIMATE.start_main_~i~4 58), 5950#(<= ULTIMATE.start_main_~i~4 60), 5951#(<= ULTIMATE.start_main_~i~4 62)] [2018-07-23 13:44:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,231 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:44:56,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:44:56,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:44:56,232 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 36 states. [2018-07-23 13:44:56,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:56,258 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:44:56,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:44:56,259 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 70 [2018-07-23 13:44:56,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:56,259 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:44:56,259 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:44:56,260 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:44:56,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:44:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:44:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:44:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:44:56,264 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:44:56,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:56,264 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:44:56,264 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:44:56,264 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:44:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:44:56,265 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:56,265 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:44:56,265 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:56,265 INFO L82 PathProgramCache]: Analyzing trace with hash 143393787, now seen corresponding path program 34 times [2018-07-23 13:44:56,265 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,407 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,407 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:44:56,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,408 INFO L185 omatonBuilderFactory]: Interpolants [6272#(<= ULTIMATE.start_main_~i~4 40), 6273#(<= ULTIMATE.start_main_~i~4 42), 6274#(<= ULTIMATE.start_main_~i~4 44), 6275#(<= ULTIMATE.start_main_~i~4 46), 6276#(<= ULTIMATE.start_main_~i~4 48), 6277#(<= ULTIMATE.start_main_~i~4 50), 6278#(<= ULTIMATE.start_main_~i~4 52), 6279#(<= ULTIMATE.start_main_~i~4 54), 6280#(<= ULTIMATE.start_main_~i~4 56), 6281#(<= ULTIMATE.start_main_~i~4 58), 6282#(<= ULTIMATE.start_main_~i~4 60), 6283#(<= ULTIMATE.start_main_~i~4 62), 6284#(<= ULTIMATE.start_main_~i~4 64), 6285#(<= ULTIMATE.start_main_~i~4 66), 6286#(<= ULTIMATE.start_main_~i~4 68), 6250#true, 6251#false, 6252#(<= ULTIMATE.start_main_~i~4 0), 6253#(<= ULTIMATE.start_main_~i~4 2), 6254#(<= ULTIMATE.start_main_~i~4 4), 6255#(<= ULTIMATE.start_main_~i~4 6), 6256#(<= ULTIMATE.start_main_~i~4 8), 6257#(<= ULTIMATE.start_main_~i~4 10), 6258#(<= ULTIMATE.start_main_~i~4 12), 6259#(<= ULTIMATE.start_main_~i~4 14), 6260#(<= ULTIMATE.start_main_~i~4 16), 6261#(<= ULTIMATE.start_main_~i~4 18), 6262#(<= ULTIMATE.start_main_~i~4 20), 6263#(<= ULTIMATE.start_main_~i~4 22), 6264#(<= ULTIMATE.start_main_~i~4 24), 6265#(<= ULTIMATE.start_main_~i~4 26), 6266#(<= ULTIMATE.start_main_~i~4 28), 6267#(<= ULTIMATE.start_main_~i~4 30), 6268#(<= ULTIMATE.start_main_~i~4 32), 6269#(<= ULTIMATE.start_main_~i~4 34), 6270#(<= ULTIMATE.start_main_~i~4 36), 6271#(<= ULTIMATE.start_main_~i~4 38)] [2018-07-23 13:44:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,409 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:44:56,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:44:56,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:44:56,410 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 37 states. [2018-07-23 13:44:56,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:56,433 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:44:56,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:44:56,433 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2018-07-23 13:44:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:56,434 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:44:56,434 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:44:56,435 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:44:56,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:44:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:44:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:44:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:44:56,439 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:44:56,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:56,439 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:44:56,439 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:44:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:44:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:44:56,440 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:56,440 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:44:56,440 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:56,441 INFO L82 PathProgramCache]: Analyzing trace with hash 362527925, now seen corresponding path program 35 times [2018-07-23 13:44:56,441 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,602 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,602 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:44:56,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,606 INFO L185 omatonBuilderFactory]: Interpolants [6592#false, 6593#(<= ULTIMATE.start_main_~i~4 0), 6594#(<= ULTIMATE.start_main_~i~4 2), 6595#(<= ULTIMATE.start_main_~i~4 4), 6596#(<= ULTIMATE.start_main_~i~4 6), 6597#(<= ULTIMATE.start_main_~i~4 8), 6598#(<= ULTIMATE.start_main_~i~4 10), 6599#(<= ULTIMATE.start_main_~i~4 12), 6600#(<= ULTIMATE.start_main_~i~4 14), 6601#(<= ULTIMATE.start_main_~i~4 16), 6602#(<= ULTIMATE.start_main_~i~4 18), 6603#(<= ULTIMATE.start_main_~i~4 20), 6604#(<= ULTIMATE.start_main_~i~4 22), 6605#(<= ULTIMATE.start_main_~i~4 24), 6606#(<= ULTIMATE.start_main_~i~4 26), 6607#(<= ULTIMATE.start_main_~i~4 28), 6608#(<= ULTIMATE.start_main_~i~4 30), 6609#(<= ULTIMATE.start_main_~i~4 32), 6610#(<= ULTIMATE.start_main_~i~4 34), 6611#(<= ULTIMATE.start_main_~i~4 36), 6612#(<= ULTIMATE.start_main_~i~4 38), 6613#(<= ULTIMATE.start_main_~i~4 40), 6614#(<= ULTIMATE.start_main_~i~4 42), 6615#(<= ULTIMATE.start_main_~i~4 44), 6616#(<= ULTIMATE.start_main_~i~4 46), 6617#(<= ULTIMATE.start_main_~i~4 48), 6618#(<= ULTIMATE.start_main_~i~4 50), 6619#(<= ULTIMATE.start_main_~i~4 52), 6620#(<= ULTIMATE.start_main_~i~4 54), 6621#(<= ULTIMATE.start_main_~i~4 56), 6622#(<= ULTIMATE.start_main_~i~4 58), 6623#(<= ULTIMATE.start_main_~i~4 60), 6624#(<= ULTIMATE.start_main_~i~4 62), 6625#(<= ULTIMATE.start_main_~i~4 64), 6626#(<= ULTIMATE.start_main_~i~4 66), 6627#(<= ULTIMATE.start_main_~i~4 68), 6628#(<= ULTIMATE.start_main_~i~4 70), 6591#true] [2018-07-23 13:44:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,607 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:44:56,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:44:56,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:44:56,608 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 38 states. [2018-07-23 13:44:56,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:56,637 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:44:56,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:44:56,637 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 74 [2018-07-23 13:44:56,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:56,638 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:44:56,638 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:44:56,639 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:44:56,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:44:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:44:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:44:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:44:56,643 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:44:56,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:56,643 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:44:56,643 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:44:56,643 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:44:56,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:44:56,644 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:56,644 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:44:56,645 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:56,645 INFO L82 PathProgramCache]: Analyzing trace with hash 497037039, now seen corresponding path program 36 times [2018-07-23 13:44:56,645 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,804 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,804 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:44:56,804 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,805 INFO L185 omatonBuilderFactory]: Interpolants [6976#(<= ULTIMATE.start_main_~i~4 66), 6977#(<= ULTIMATE.start_main_~i~4 68), 6978#(<= ULTIMATE.start_main_~i~4 70), 6979#(<= ULTIMATE.start_main_~i~4 72), 6941#true, 6942#false, 6943#(<= ULTIMATE.start_main_~i~4 0), 6944#(<= ULTIMATE.start_main_~i~4 2), 6945#(<= ULTIMATE.start_main_~i~4 4), 6946#(<= ULTIMATE.start_main_~i~4 6), 6947#(<= ULTIMATE.start_main_~i~4 8), 6948#(<= ULTIMATE.start_main_~i~4 10), 6949#(<= ULTIMATE.start_main_~i~4 12), 6950#(<= ULTIMATE.start_main_~i~4 14), 6951#(<= ULTIMATE.start_main_~i~4 16), 6952#(<= ULTIMATE.start_main_~i~4 18), 6953#(<= ULTIMATE.start_main_~i~4 20), 6954#(<= ULTIMATE.start_main_~i~4 22), 6955#(<= ULTIMATE.start_main_~i~4 24), 6956#(<= ULTIMATE.start_main_~i~4 26), 6957#(<= ULTIMATE.start_main_~i~4 28), 6958#(<= ULTIMATE.start_main_~i~4 30), 6959#(<= ULTIMATE.start_main_~i~4 32), 6960#(<= ULTIMATE.start_main_~i~4 34), 6961#(<= ULTIMATE.start_main_~i~4 36), 6962#(<= ULTIMATE.start_main_~i~4 38), 6963#(<= ULTIMATE.start_main_~i~4 40), 6964#(<= ULTIMATE.start_main_~i~4 42), 6965#(<= ULTIMATE.start_main_~i~4 44), 6966#(<= ULTIMATE.start_main_~i~4 46), 6967#(<= ULTIMATE.start_main_~i~4 48), 6968#(<= ULTIMATE.start_main_~i~4 50), 6969#(<= ULTIMATE.start_main_~i~4 52), 6970#(<= ULTIMATE.start_main_~i~4 54), 6971#(<= ULTIMATE.start_main_~i~4 56), 6972#(<= ULTIMATE.start_main_~i~4 58), 6973#(<= ULTIMATE.start_main_~i~4 60), 6974#(<= ULTIMATE.start_main_~i~4 62), 6975#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:44:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,805 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:44:56,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:44:56,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:44:56,808 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 39 states. [2018-07-23 13:44:56,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:56,832 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:44:56,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:44:56,832 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 76 [2018-07-23 13:44:56,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:56,834 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:44:56,835 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:44:56,836 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:44:56,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:44:56,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:44:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:44:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:44:56,839 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:44:56,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:56,840 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:44:56,840 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:44:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:44:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:44:56,840 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:56,841 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:44:56,841 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:56,841 INFO L82 PathProgramCache]: Analyzing trace with hash 911276713, now seen corresponding path program 37 times [2018-07-23 13:44:56,841 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,008 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:57,008 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:44:57,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:57,009 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 13:44:57,009 INFO L185 omatonBuilderFactory]: Interpolants [7300#true, 7301#false, 7302#(<= ULTIMATE.start_main_~i~4 0), 7303#(<= ULTIMATE.start_main_~i~4 2), 7304#(<= ULTIMATE.start_main_~i~4 4), 7305#(<= ULTIMATE.start_main_~i~4 6), 7306#(<= ULTIMATE.start_main_~i~4 8), 7307#(<= ULTIMATE.start_main_~i~4 10), 7308#(<= ULTIMATE.start_main_~i~4 12), 7309#(<= ULTIMATE.start_main_~i~4 14), 7310#(<= ULTIMATE.start_main_~i~4 16), 7311#(<= ULTIMATE.start_main_~i~4 18), 7312#(<= ULTIMATE.start_main_~i~4 20), 7313#(<= ULTIMATE.start_main_~i~4 22), 7314#(<= ULTIMATE.start_main_~i~4 24), 7315#(<= ULTIMATE.start_main_~i~4 26), 7316#(<= ULTIMATE.start_main_~i~4 28), 7317#(<= ULTIMATE.start_main_~i~4 30), 7318#(<= ULTIMATE.start_main_~i~4 32), 7319#(<= ULTIMATE.start_main_~i~4 34), 7320#(<= ULTIMATE.start_main_~i~4 36), 7321#(<= ULTIMATE.start_main_~i~4 38), 7322#(<= ULTIMATE.start_main_~i~4 40), 7323#(<= ULTIMATE.start_main_~i~4 42), 7324#(<= ULTIMATE.start_main_~i~4 44), 7325#(<= ULTIMATE.start_main_~i~4 46), 7326#(<= ULTIMATE.start_main_~i~4 48), 7327#(<= ULTIMATE.start_main_~i~4 50), 7328#(<= ULTIMATE.start_main_~i~4 52), 7329#(<= ULTIMATE.start_main_~i~4 54), 7330#(<= ULTIMATE.start_main_~i~4 56), 7331#(<= ULTIMATE.start_main_~i~4 58), 7332#(<= ULTIMATE.start_main_~i~4 60), 7333#(<= ULTIMATE.start_main_~i~4 62), 7334#(<= ULTIMATE.start_main_~i~4 64), 7335#(<= ULTIMATE.start_main_~i~4 66), 7336#(<= ULTIMATE.start_main_~i~4 68), 7337#(<= ULTIMATE.start_main_~i~4 70), 7338#(<= ULTIMATE.start_main_~i~4 72), 7339#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:44:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,010 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:44:57,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:44:57,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:44:57,012 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 40 states. [2018-07-23 13:44:57,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:57,040 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:44:57,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:44:57,041 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 78 [2018-07-23 13:44:57,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:57,042 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:44:57,042 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:44:57,043 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:44:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:44:57,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:44:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:44:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:44:57,048 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:44:57,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:57,048 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:44:57,048 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:44:57,049 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:44:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:44:57,049 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:57,049 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:44:57,050 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:57,050 INFO L82 PathProgramCache]: Analyzing trace with hash -436355101, now seen corresponding path program 38 times [2018-07-23 13:44:57,050 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,208 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:57,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:44:57,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:57,209 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 13:44:57,209 INFO L185 omatonBuilderFactory]: Interpolants [7680#(<= ULTIMATE.start_main_~i~4 20), 7681#(<= ULTIMATE.start_main_~i~4 22), 7682#(<= ULTIMATE.start_main_~i~4 24), 7683#(<= ULTIMATE.start_main_~i~4 26), 7684#(<= ULTIMATE.start_main_~i~4 28), 7685#(<= ULTIMATE.start_main_~i~4 30), 7686#(<= ULTIMATE.start_main_~i~4 32), 7687#(<= ULTIMATE.start_main_~i~4 34), 7688#(<= ULTIMATE.start_main_~i~4 36), 7689#(<= ULTIMATE.start_main_~i~4 38), 7690#(<= ULTIMATE.start_main_~i~4 40), 7691#(<= ULTIMATE.start_main_~i~4 42), 7692#(<= ULTIMATE.start_main_~i~4 44), 7693#(<= ULTIMATE.start_main_~i~4 46), 7694#(<= ULTIMATE.start_main_~i~4 48), 7695#(<= ULTIMATE.start_main_~i~4 50), 7696#(<= ULTIMATE.start_main_~i~4 52), 7697#(<= ULTIMATE.start_main_~i~4 54), 7698#(<= ULTIMATE.start_main_~i~4 56), 7699#(<= ULTIMATE.start_main_~i~4 58), 7700#(<= ULTIMATE.start_main_~i~4 60), 7701#(<= ULTIMATE.start_main_~i~4 62), 7702#(<= ULTIMATE.start_main_~i~4 64), 7703#(<= ULTIMATE.start_main_~i~4 66), 7704#(<= ULTIMATE.start_main_~i~4 68), 7705#(<= ULTIMATE.start_main_~i~4 70), 7706#(<= ULTIMATE.start_main_~i~4 72), 7707#(<= ULTIMATE.start_main_~i~4 74), 7708#(<= ULTIMATE.start_main_~i~4 76), 7668#true, 7669#false, 7670#(<= ULTIMATE.start_main_~i~4 0), 7671#(<= ULTIMATE.start_main_~i~4 2), 7672#(<= ULTIMATE.start_main_~i~4 4), 7673#(<= ULTIMATE.start_main_~i~4 6), 7674#(<= ULTIMATE.start_main_~i~4 8), 7675#(<= ULTIMATE.start_main_~i~4 10), 7676#(<= ULTIMATE.start_main_~i~4 12), 7677#(<= ULTIMATE.start_main_~i~4 14), 7678#(<= ULTIMATE.start_main_~i~4 16), 7679#(<= ULTIMATE.start_main_~i~4 18)] [2018-07-23 13:44:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,210 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:44:57,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:44:57,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:44:57,212 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 41 states. [2018-07-23 13:44:57,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:57,237 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:44:57,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:44:57,238 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2018-07-23 13:44:57,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:57,238 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:44:57,239 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:44:57,240 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:44:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:44:57,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:44:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:44:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:44:57,243 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:44:57,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:57,244 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:44:57,244 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:44:57,244 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:44:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:44:57,245 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:57,245 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:44:57,245 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:57,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1569595037, now seen corresponding path program 39 times [2018-07-23 13:44:57,245 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,407 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:57,407 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:44:57,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,408 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= ULTIMATE.start_main_~i~4 34), 8065#(<= ULTIMATE.start_main_~i~4 36), 8066#(<= ULTIMATE.start_main_~i~4 38), 8067#(<= ULTIMATE.start_main_~i~4 40), 8068#(<= ULTIMATE.start_main_~i~4 42), 8069#(<= ULTIMATE.start_main_~i~4 44), 8070#(<= ULTIMATE.start_main_~i~4 46), 8071#(<= ULTIMATE.start_main_~i~4 48), 8072#(<= ULTIMATE.start_main_~i~4 50), 8073#(<= ULTIMATE.start_main_~i~4 52), 8074#(<= ULTIMATE.start_main_~i~4 54), 8075#(<= ULTIMATE.start_main_~i~4 56), 8076#(<= ULTIMATE.start_main_~i~4 58), 8077#(<= ULTIMATE.start_main_~i~4 60), 8078#(<= ULTIMATE.start_main_~i~4 62), 8079#(<= ULTIMATE.start_main_~i~4 64), 8080#(<= ULTIMATE.start_main_~i~4 66), 8081#(<= ULTIMATE.start_main_~i~4 68), 8082#(<= ULTIMATE.start_main_~i~4 70), 8083#(<= ULTIMATE.start_main_~i~4 72), 8084#(<= ULTIMATE.start_main_~i~4 74), 8085#(<= ULTIMATE.start_main_~i~4 76), 8086#(<= ULTIMATE.start_main_~i~4 78), 8045#true, 8046#false, 8047#(<= ULTIMATE.start_main_~i~4 0), 8048#(<= ULTIMATE.start_main_~i~4 2), 8049#(<= ULTIMATE.start_main_~i~4 4), 8050#(<= ULTIMATE.start_main_~i~4 6), 8051#(<= ULTIMATE.start_main_~i~4 8), 8052#(<= ULTIMATE.start_main_~i~4 10), 8053#(<= ULTIMATE.start_main_~i~4 12), 8054#(<= ULTIMATE.start_main_~i~4 14), 8055#(<= ULTIMATE.start_main_~i~4 16), 8056#(<= ULTIMATE.start_main_~i~4 18), 8057#(<= ULTIMATE.start_main_~i~4 20), 8058#(<= ULTIMATE.start_main_~i~4 22), 8059#(<= ULTIMATE.start_main_~i~4 24), 8060#(<= ULTIMATE.start_main_~i~4 26), 8061#(<= ULTIMATE.start_main_~i~4 28), 8062#(<= ULTIMATE.start_main_~i~4 30), 8063#(<= ULTIMATE.start_main_~i~4 32)] [2018-07-23 13:44:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,409 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:44:57,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:44:57,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:44:57,410 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 42 states. [2018-07-23 13:44:57,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:57,434 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:44:57,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:44:57,434 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 82 [2018-07-23 13:44:57,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:57,435 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:44:57,435 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:44:57,436 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:44:57,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:44:57,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:44:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:44:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:44:57,439 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:44:57,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:57,440 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:44:57,440 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:44:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:44:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:44:57,441 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:57,441 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:44:57,441 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:57,441 INFO L82 PathProgramCache]: Analyzing trace with hash 847361751, now seen corresponding path program 40 times [2018-07-23 13:44:57,441 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,607 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:57,607 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:44:57,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,608 INFO L185 omatonBuilderFactory]: Interpolants [8448#(<= ULTIMATE.start_main_~i~4 30), 8449#(<= ULTIMATE.start_main_~i~4 32), 8450#(<= ULTIMATE.start_main_~i~4 34), 8451#(<= ULTIMATE.start_main_~i~4 36), 8452#(<= ULTIMATE.start_main_~i~4 38), 8453#(<= ULTIMATE.start_main_~i~4 40), 8454#(<= ULTIMATE.start_main_~i~4 42), 8455#(<= ULTIMATE.start_main_~i~4 44), 8456#(<= ULTIMATE.start_main_~i~4 46), 8457#(<= ULTIMATE.start_main_~i~4 48), 8458#(<= ULTIMATE.start_main_~i~4 50), 8459#(<= ULTIMATE.start_main_~i~4 52), 8460#(<= ULTIMATE.start_main_~i~4 54), 8461#(<= ULTIMATE.start_main_~i~4 56), 8462#(<= ULTIMATE.start_main_~i~4 58), 8463#(<= ULTIMATE.start_main_~i~4 60), 8464#(<= ULTIMATE.start_main_~i~4 62), 8465#(<= ULTIMATE.start_main_~i~4 64), 8466#(<= ULTIMATE.start_main_~i~4 66), 8467#(<= ULTIMATE.start_main_~i~4 68), 8468#(<= ULTIMATE.start_main_~i~4 70), 8469#(<= ULTIMATE.start_main_~i~4 72), 8470#(<= ULTIMATE.start_main_~i~4 74), 8471#(<= ULTIMATE.start_main_~i~4 76), 8472#(<= ULTIMATE.start_main_~i~4 78), 8473#(<= ULTIMATE.start_main_~i~4 80), 8431#true, 8432#false, 8433#(<= ULTIMATE.start_main_~i~4 0), 8434#(<= ULTIMATE.start_main_~i~4 2), 8435#(<= ULTIMATE.start_main_~i~4 4), 8436#(<= ULTIMATE.start_main_~i~4 6), 8437#(<= ULTIMATE.start_main_~i~4 8), 8438#(<= ULTIMATE.start_main_~i~4 10), 8439#(<= ULTIMATE.start_main_~i~4 12), 8440#(<= ULTIMATE.start_main_~i~4 14), 8441#(<= ULTIMATE.start_main_~i~4 16), 8442#(<= ULTIMATE.start_main_~i~4 18), 8443#(<= ULTIMATE.start_main_~i~4 20), 8444#(<= ULTIMATE.start_main_~i~4 22), 8445#(<= ULTIMATE.start_main_~i~4 24), 8446#(<= ULTIMATE.start_main_~i~4 26), 8447#(<= ULTIMATE.start_main_~i~4 28)] [2018-07-23 13:44:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,609 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:44:57,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:44:57,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:44:57,613 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 43 states. [2018-07-23 13:44:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:57,641 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:44:57,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:44:57,641 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 84 [2018-07-23 13:44:57,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:57,642 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:44:57,643 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:44:57,644 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:44:57,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:44:57,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:44:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:44:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:44:57,649 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:44:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:57,650 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:44:57,650 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:44:57,650 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:44:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:44:57,651 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:57,651 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:44:57,651 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:57,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1729091439, now seen corresponding path program 41 times [2018-07-23 13:44:57,652 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,844 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:57,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:44:57,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,846 INFO L185 omatonBuilderFactory]: Interpolants [8832#(<= ULTIMATE.start_main_~i~4 8), 8833#(<= ULTIMATE.start_main_~i~4 10), 8834#(<= ULTIMATE.start_main_~i~4 12), 8835#(<= ULTIMATE.start_main_~i~4 14), 8836#(<= ULTIMATE.start_main_~i~4 16), 8837#(<= ULTIMATE.start_main_~i~4 18), 8838#(<= ULTIMATE.start_main_~i~4 20), 8839#(<= ULTIMATE.start_main_~i~4 22), 8840#(<= ULTIMATE.start_main_~i~4 24), 8841#(<= ULTIMATE.start_main_~i~4 26), 8842#(<= ULTIMATE.start_main_~i~4 28), 8843#(<= ULTIMATE.start_main_~i~4 30), 8844#(<= ULTIMATE.start_main_~i~4 32), 8845#(<= ULTIMATE.start_main_~i~4 34), 8846#(<= ULTIMATE.start_main_~i~4 36), 8847#(<= ULTIMATE.start_main_~i~4 38), 8848#(<= ULTIMATE.start_main_~i~4 40), 8849#(<= ULTIMATE.start_main_~i~4 42), 8850#(<= ULTIMATE.start_main_~i~4 44), 8851#(<= ULTIMATE.start_main_~i~4 46), 8852#(<= ULTIMATE.start_main_~i~4 48), 8853#(<= ULTIMATE.start_main_~i~4 50), 8854#(<= ULTIMATE.start_main_~i~4 52), 8855#(<= ULTIMATE.start_main_~i~4 54), 8856#(<= ULTIMATE.start_main_~i~4 56), 8857#(<= ULTIMATE.start_main_~i~4 58), 8858#(<= ULTIMATE.start_main_~i~4 60), 8859#(<= ULTIMATE.start_main_~i~4 62), 8860#(<= ULTIMATE.start_main_~i~4 64), 8861#(<= ULTIMATE.start_main_~i~4 66), 8862#(<= ULTIMATE.start_main_~i~4 68), 8863#(<= ULTIMATE.start_main_~i~4 70), 8864#(<= ULTIMATE.start_main_~i~4 72), 8865#(<= ULTIMATE.start_main_~i~4 74), 8866#(<= ULTIMATE.start_main_~i~4 76), 8867#(<= ULTIMATE.start_main_~i~4 78), 8868#(<= ULTIMATE.start_main_~i~4 80), 8869#(<= ULTIMATE.start_main_~i~4 82), 8826#true, 8827#false, 8828#(<= ULTIMATE.start_main_~i~4 0), 8829#(<= ULTIMATE.start_main_~i~4 2), 8830#(<= ULTIMATE.start_main_~i~4 4), 8831#(<= ULTIMATE.start_main_~i~4 6)] [2018-07-23 13:44:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,846 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:44:57,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:44:57,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:44:57,848 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 44 states. [2018-07-23 13:44:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:57,884 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:44:57,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:44:57,884 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 86 [2018-07-23 13:44:57,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:57,885 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:44:57,885 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:44:57,886 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:44:57,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:44:57,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:44:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:44:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:44:57,891 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:44:57,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:57,892 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:44:57,892 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:44:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:44:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:44:57,893 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:57,916 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:44:57,916 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:57,916 INFO L82 PathProgramCache]: Analyzing trace with hash 495522763, now seen corresponding path program 42 times [2018-07-23 13:44:57,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,105 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:58,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:44:58,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,106 INFO L185 omatonBuilderFactory]: Interpolants [9230#true, 9231#false, 9232#(<= ULTIMATE.start_main_~i~4 0), 9233#(<= ULTIMATE.start_main_~i~4 2), 9234#(<= ULTIMATE.start_main_~i~4 4), 9235#(<= ULTIMATE.start_main_~i~4 6), 9236#(<= ULTIMATE.start_main_~i~4 8), 9237#(<= ULTIMATE.start_main_~i~4 10), 9238#(<= ULTIMATE.start_main_~i~4 12), 9239#(<= ULTIMATE.start_main_~i~4 14), 9240#(<= ULTIMATE.start_main_~i~4 16), 9241#(<= ULTIMATE.start_main_~i~4 18), 9242#(<= ULTIMATE.start_main_~i~4 20), 9243#(<= ULTIMATE.start_main_~i~4 22), 9244#(<= ULTIMATE.start_main_~i~4 24), 9245#(<= ULTIMATE.start_main_~i~4 26), 9246#(<= ULTIMATE.start_main_~i~4 28), 9247#(<= ULTIMATE.start_main_~i~4 30), 9248#(<= ULTIMATE.start_main_~i~4 32), 9249#(<= ULTIMATE.start_main_~i~4 34), 9250#(<= ULTIMATE.start_main_~i~4 36), 9251#(<= ULTIMATE.start_main_~i~4 38), 9252#(<= ULTIMATE.start_main_~i~4 40), 9253#(<= ULTIMATE.start_main_~i~4 42), 9254#(<= ULTIMATE.start_main_~i~4 44), 9255#(<= ULTIMATE.start_main_~i~4 46), 9256#(<= ULTIMATE.start_main_~i~4 48), 9257#(<= ULTIMATE.start_main_~i~4 50), 9258#(<= ULTIMATE.start_main_~i~4 52), 9259#(<= ULTIMATE.start_main_~i~4 54), 9260#(<= ULTIMATE.start_main_~i~4 56), 9261#(<= ULTIMATE.start_main_~i~4 58), 9262#(<= ULTIMATE.start_main_~i~4 60), 9263#(<= ULTIMATE.start_main_~i~4 62), 9264#(<= ULTIMATE.start_main_~i~4 64), 9265#(<= ULTIMATE.start_main_~i~4 66), 9266#(<= ULTIMATE.start_main_~i~4 68), 9267#(<= ULTIMATE.start_main_~i~4 70), 9268#(<= ULTIMATE.start_main_~i~4 72), 9269#(<= ULTIMATE.start_main_~i~4 74), 9270#(<= ULTIMATE.start_main_~i~4 76), 9271#(<= ULTIMATE.start_main_~i~4 78), 9272#(<= ULTIMATE.start_main_~i~4 80), 9273#(<= ULTIMATE.start_main_~i~4 82), 9274#(<= ULTIMATE.start_main_~i~4 84)] [2018-07-23 13:44:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:44:58,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:44:58,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:44:58,108 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 45 states. [2018-07-23 13:44:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:58,140 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:44:58,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:44:58,141 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 88 [2018-07-23 13:44:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:58,141 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:44:58,142 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:44:58,143 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:44:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:44:58,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:44:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:44:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:44:58,148 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:44:58,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:58,148 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:44:58,148 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:44:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:44:58,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:44:58,149 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:58,150 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:44:58,150 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:58,150 INFO L82 PathProgramCache]: Analyzing trace with hash -543942523, now seen corresponding path program 43 times [2018-07-23 13:44:58,150 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,320 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:58,320 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:44:58,321 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:58,321 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 13:44:58,321 INFO L185 omatonBuilderFactory]: Interpolants [9664#(<= ULTIMATE.start_main_~i~4 38), 9665#(<= ULTIMATE.start_main_~i~4 40), 9666#(<= ULTIMATE.start_main_~i~4 42), 9667#(<= ULTIMATE.start_main_~i~4 44), 9668#(<= ULTIMATE.start_main_~i~4 46), 9669#(<= ULTIMATE.start_main_~i~4 48), 9670#(<= ULTIMATE.start_main_~i~4 50), 9671#(<= ULTIMATE.start_main_~i~4 52), 9672#(<= ULTIMATE.start_main_~i~4 54), 9673#(<= ULTIMATE.start_main_~i~4 56), 9674#(<= ULTIMATE.start_main_~i~4 58), 9675#(<= ULTIMATE.start_main_~i~4 60), 9676#(<= ULTIMATE.start_main_~i~4 62), 9677#(<= ULTIMATE.start_main_~i~4 64), 9678#(<= ULTIMATE.start_main_~i~4 66), 9679#(<= ULTIMATE.start_main_~i~4 68), 9680#(<= ULTIMATE.start_main_~i~4 70), 9681#(<= ULTIMATE.start_main_~i~4 72), 9682#(<= ULTIMATE.start_main_~i~4 74), 9683#(<= ULTIMATE.start_main_~i~4 76), 9684#(<= ULTIMATE.start_main_~i~4 78), 9685#(<= ULTIMATE.start_main_~i~4 80), 9686#(<= ULTIMATE.start_main_~i~4 82), 9687#(<= ULTIMATE.start_main_~i~4 84), 9688#(<= ULTIMATE.start_main_~i~4 86), 9643#true, 9644#false, 9645#(<= ULTIMATE.start_main_~i~4 0), 9646#(<= ULTIMATE.start_main_~i~4 2), 9647#(<= ULTIMATE.start_main_~i~4 4), 9648#(<= ULTIMATE.start_main_~i~4 6), 9649#(<= ULTIMATE.start_main_~i~4 8), 9650#(<= ULTIMATE.start_main_~i~4 10), 9651#(<= ULTIMATE.start_main_~i~4 12), 9652#(<= ULTIMATE.start_main_~i~4 14), 9653#(<= ULTIMATE.start_main_~i~4 16), 9654#(<= ULTIMATE.start_main_~i~4 18), 9655#(<= ULTIMATE.start_main_~i~4 20), 9656#(<= ULTIMATE.start_main_~i~4 22), 9657#(<= ULTIMATE.start_main_~i~4 24), 9658#(<= ULTIMATE.start_main_~i~4 26), 9659#(<= ULTIMATE.start_main_~i~4 28), 9660#(<= ULTIMATE.start_main_~i~4 30), 9661#(<= ULTIMATE.start_main_~i~4 32), 9662#(<= ULTIMATE.start_main_~i~4 34), 9663#(<= ULTIMATE.start_main_~i~4 36)] [2018-07-23 13:44:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,322 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:44:58,323 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:44:58,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:44:58,325 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 46 states. [2018-07-23 13:44:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:58,353 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:44:58,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:44:58,353 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 90 [2018-07-23 13:44:58,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:58,354 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:44:58,354 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:44:58,356 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:44:58,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:44:58,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:44:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:44:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:44:58,360 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:44:58,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:58,361 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:44:58,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:44:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:44:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:44:58,362 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:58,362 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:44:58,362 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:58,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1257297599, now seen corresponding path program 44 times [2018-07-23 13:44:58,363 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,556 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:58,556 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:44:58,556 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,557 INFO L185 omatonBuilderFactory]: Interpolants [10065#true, 10066#false, 10067#(<= ULTIMATE.start_main_~i~4 0), 10068#(<= ULTIMATE.start_main_~i~4 2), 10069#(<= ULTIMATE.start_main_~i~4 4), 10070#(<= ULTIMATE.start_main_~i~4 6), 10071#(<= ULTIMATE.start_main_~i~4 8), 10072#(<= ULTIMATE.start_main_~i~4 10), 10073#(<= ULTIMATE.start_main_~i~4 12), 10074#(<= ULTIMATE.start_main_~i~4 14), 10075#(<= ULTIMATE.start_main_~i~4 16), 10076#(<= ULTIMATE.start_main_~i~4 18), 10077#(<= ULTIMATE.start_main_~i~4 20), 10078#(<= ULTIMATE.start_main_~i~4 22), 10079#(<= ULTIMATE.start_main_~i~4 24), 10080#(<= ULTIMATE.start_main_~i~4 26), 10081#(<= ULTIMATE.start_main_~i~4 28), 10082#(<= ULTIMATE.start_main_~i~4 30), 10083#(<= ULTIMATE.start_main_~i~4 32), 10084#(<= ULTIMATE.start_main_~i~4 34), 10085#(<= ULTIMATE.start_main_~i~4 36), 10086#(<= ULTIMATE.start_main_~i~4 38), 10087#(<= ULTIMATE.start_main_~i~4 40), 10088#(<= ULTIMATE.start_main_~i~4 42), 10089#(<= ULTIMATE.start_main_~i~4 44), 10090#(<= ULTIMATE.start_main_~i~4 46), 10091#(<= ULTIMATE.start_main_~i~4 48), 10092#(<= ULTIMATE.start_main_~i~4 50), 10093#(<= ULTIMATE.start_main_~i~4 52), 10094#(<= ULTIMATE.start_main_~i~4 54), 10095#(<= ULTIMATE.start_main_~i~4 56), 10096#(<= ULTIMATE.start_main_~i~4 58), 10097#(<= ULTIMATE.start_main_~i~4 60), 10098#(<= ULTIMATE.start_main_~i~4 62), 10099#(<= ULTIMATE.start_main_~i~4 64), 10100#(<= ULTIMATE.start_main_~i~4 66), 10101#(<= ULTIMATE.start_main_~i~4 68), 10102#(<= ULTIMATE.start_main_~i~4 70), 10103#(<= ULTIMATE.start_main_~i~4 72), 10104#(<= ULTIMATE.start_main_~i~4 74), 10105#(<= ULTIMATE.start_main_~i~4 76), 10106#(<= ULTIMATE.start_main_~i~4 78), 10107#(<= ULTIMATE.start_main_~i~4 80), 10108#(<= ULTIMATE.start_main_~i~4 82), 10109#(<= ULTIMATE.start_main_~i~4 84), 10110#(<= ULTIMATE.start_main_~i~4 86), 10111#(<= ULTIMATE.start_main_~i~4 88)] [2018-07-23 13:44:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,560 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:44:58,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:44:58,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:44:58,561 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 47 states. [2018-07-23 13:44:58,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:58,597 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:44:58,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:44:58,598 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 92 [2018-07-23 13:44:58,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:58,599 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:44:58,599 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:44:58,599 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:44:58,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:44:58,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:44:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:44:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:44:58,603 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:44:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:58,603 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:44:58,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:44:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:44:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:44:58,604 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:58,604 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:44:58,605 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:58,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1377234553, now seen corresponding path program 45 times [2018-07-23 13:44:58,605 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,802 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:58,802 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:44:58,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,803 INFO L185 omatonBuilderFactory]: Interpolants [10496#true, 10497#false, 10498#(<= ULTIMATE.start_main_~i~4 0), 10499#(<= ULTIMATE.start_main_~i~4 2), 10500#(<= ULTIMATE.start_main_~i~4 4), 10501#(<= ULTIMATE.start_main_~i~4 6), 10502#(<= ULTIMATE.start_main_~i~4 8), 10503#(<= ULTIMATE.start_main_~i~4 10), 10504#(<= ULTIMATE.start_main_~i~4 12), 10505#(<= ULTIMATE.start_main_~i~4 14), 10506#(<= ULTIMATE.start_main_~i~4 16), 10507#(<= ULTIMATE.start_main_~i~4 18), 10508#(<= ULTIMATE.start_main_~i~4 20), 10509#(<= ULTIMATE.start_main_~i~4 22), 10510#(<= ULTIMATE.start_main_~i~4 24), 10511#(<= ULTIMATE.start_main_~i~4 26), 10512#(<= ULTIMATE.start_main_~i~4 28), 10513#(<= ULTIMATE.start_main_~i~4 30), 10514#(<= ULTIMATE.start_main_~i~4 32), 10515#(<= ULTIMATE.start_main_~i~4 34), 10516#(<= ULTIMATE.start_main_~i~4 36), 10517#(<= ULTIMATE.start_main_~i~4 38), 10518#(<= ULTIMATE.start_main_~i~4 40), 10519#(<= ULTIMATE.start_main_~i~4 42), 10520#(<= ULTIMATE.start_main_~i~4 44), 10521#(<= ULTIMATE.start_main_~i~4 46), 10522#(<= ULTIMATE.start_main_~i~4 48), 10523#(<= ULTIMATE.start_main_~i~4 50), 10524#(<= ULTIMATE.start_main_~i~4 52), 10525#(<= ULTIMATE.start_main_~i~4 54), 10526#(<= ULTIMATE.start_main_~i~4 56), 10527#(<= ULTIMATE.start_main_~i~4 58), 10528#(<= ULTIMATE.start_main_~i~4 60), 10529#(<= ULTIMATE.start_main_~i~4 62), 10530#(<= ULTIMATE.start_main_~i~4 64), 10531#(<= ULTIMATE.start_main_~i~4 66), 10532#(<= ULTIMATE.start_main_~i~4 68), 10533#(<= ULTIMATE.start_main_~i~4 70), 10534#(<= ULTIMATE.start_main_~i~4 72), 10535#(<= ULTIMATE.start_main_~i~4 74), 10536#(<= ULTIMATE.start_main_~i~4 76), 10537#(<= ULTIMATE.start_main_~i~4 78), 10538#(<= ULTIMATE.start_main_~i~4 80), 10539#(<= ULTIMATE.start_main_~i~4 82), 10540#(<= ULTIMATE.start_main_~i~4 84), 10541#(<= ULTIMATE.start_main_~i~4 86), 10542#(<= ULTIMATE.start_main_~i~4 88), 10543#(<= ULTIMATE.start_main_~i~4 90)] [2018-07-23 13:44:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:58,804 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:44:58,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:44:58,805 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:44:58,805 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 48 states. [2018-07-23 13:44:58,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:58,842 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:44:58,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:44:58,842 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 94 [2018-07-23 13:44:58,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:58,843 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:44:58,844 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:44:58,844 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:44:58,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:44:58,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:44:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:44:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:44:58,848 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:44:58,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:58,849 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:44:58,849 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:44:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:44:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:44:58,850 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:58,850 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:44:58,850 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:58,850 INFO L82 PathProgramCache]: Analyzing trace with hash 672530355, now seen corresponding path program 46 times [2018-07-23 13:44:58,851 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,058 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:59,058 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:44:59,058 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,059 INFO L185 omatonBuilderFactory]: Interpolants [10936#true, 10937#false, 10938#(<= ULTIMATE.start_main_~i~4 0), 10939#(<= ULTIMATE.start_main_~i~4 2), 10940#(<= ULTIMATE.start_main_~i~4 4), 10941#(<= ULTIMATE.start_main_~i~4 6), 10942#(<= ULTIMATE.start_main_~i~4 8), 10943#(<= ULTIMATE.start_main_~i~4 10), 10944#(<= ULTIMATE.start_main_~i~4 12), 10945#(<= ULTIMATE.start_main_~i~4 14), 10946#(<= ULTIMATE.start_main_~i~4 16), 10947#(<= ULTIMATE.start_main_~i~4 18), 10948#(<= ULTIMATE.start_main_~i~4 20), 10949#(<= ULTIMATE.start_main_~i~4 22), 10950#(<= ULTIMATE.start_main_~i~4 24), 10951#(<= ULTIMATE.start_main_~i~4 26), 10952#(<= ULTIMATE.start_main_~i~4 28), 10953#(<= ULTIMATE.start_main_~i~4 30), 10954#(<= ULTIMATE.start_main_~i~4 32), 10955#(<= ULTIMATE.start_main_~i~4 34), 10956#(<= ULTIMATE.start_main_~i~4 36), 10957#(<= ULTIMATE.start_main_~i~4 38), 10958#(<= ULTIMATE.start_main_~i~4 40), 10959#(<= ULTIMATE.start_main_~i~4 42), 10960#(<= ULTIMATE.start_main_~i~4 44), 10961#(<= ULTIMATE.start_main_~i~4 46), 10962#(<= ULTIMATE.start_main_~i~4 48), 10963#(<= ULTIMATE.start_main_~i~4 50), 10964#(<= ULTIMATE.start_main_~i~4 52), 10965#(<= ULTIMATE.start_main_~i~4 54), 10966#(<= ULTIMATE.start_main_~i~4 56), 10967#(<= ULTIMATE.start_main_~i~4 58), 10968#(<= ULTIMATE.start_main_~i~4 60), 10969#(<= ULTIMATE.start_main_~i~4 62), 10970#(<= ULTIMATE.start_main_~i~4 64), 10971#(<= ULTIMATE.start_main_~i~4 66), 10972#(<= ULTIMATE.start_main_~i~4 68), 10973#(<= ULTIMATE.start_main_~i~4 70), 10974#(<= ULTIMATE.start_main_~i~4 72), 10975#(<= ULTIMATE.start_main_~i~4 74), 10976#(<= ULTIMATE.start_main_~i~4 76), 10977#(<= ULTIMATE.start_main_~i~4 78), 10978#(<= ULTIMATE.start_main_~i~4 80), 10979#(<= ULTIMATE.start_main_~i~4 82), 10980#(<= ULTIMATE.start_main_~i~4 84), 10981#(<= ULTIMATE.start_main_~i~4 86), 10982#(<= ULTIMATE.start_main_~i~4 88), 10983#(<= ULTIMATE.start_main_~i~4 90), 10984#(<= ULTIMATE.start_main_~i~4 92)] [2018-07-23 13:44:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,060 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:44:59,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:44:59,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:44:59,061 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 49 states. [2018-07-23 13:44:59,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:59,098 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:44:59,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:44:59,098 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 96 [2018-07-23 13:44:59,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:59,099 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:44:59,099 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:44:59,100 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:44:59,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:44:59,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:44:59,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:44:59,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:44:59,104 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:44:59,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:59,104 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:44:59,104 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:44:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:44:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:44:59,105 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:59,106 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:44:59,106 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:59,106 INFO L82 PathProgramCache]: Analyzing trace with hash 2056628845, now seen corresponding path program 47 times [2018-07-23 13:44:59,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,304 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:59,304 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:44:59,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,305 INFO L185 omatonBuilderFactory]: Interpolants [11392#(<= ULTIMATE.start_main_~i~4 10), 11393#(<= ULTIMATE.start_main_~i~4 12), 11394#(<= ULTIMATE.start_main_~i~4 14), 11395#(<= ULTIMATE.start_main_~i~4 16), 11396#(<= ULTIMATE.start_main_~i~4 18), 11397#(<= ULTIMATE.start_main_~i~4 20), 11398#(<= ULTIMATE.start_main_~i~4 22), 11399#(<= ULTIMATE.start_main_~i~4 24), 11400#(<= ULTIMATE.start_main_~i~4 26), 11401#(<= ULTIMATE.start_main_~i~4 28), 11402#(<= ULTIMATE.start_main_~i~4 30), 11403#(<= ULTIMATE.start_main_~i~4 32), 11404#(<= ULTIMATE.start_main_~i~4 34), 11405#(<= ULTIMATE.start_main_~i~4 36), 11406#(<= ULTIMATE.start_main_~i~4 38), 11407#(<= ULTIMATE.start_main_~i~4 40), 11408#(<= ULTIMATE.start_main_~i~4 42), 11409#(<= ULTIMATE.start_main_~i~4 44), 11410#(<= ULTIMATE.start_main_~i~4 46), 11411#(<= ULTIMATE.start_main_~i~4 48), 11412#(<= ULTIMATE.start_main_~i~4 50), 11413#(<= ULTIMATE.start_main_~i~4 52), 11414#(<= ULTIMATE.start_main_~i~4 54), 11415#(<= ULTIMATE.start_main_~i~4 56), 11416#(<= ULTIMATE.start_main_~i~4 58), 11417#(<= ULTIMATE.start_main_~i~4 60), 11418#(<= ULTIMATE.start_main_~i~4 62), 11419#(<= ULTIMATE.start_main_~i~4 64), 11420#(<= ULTIMATE.start_main_~i~4 66), 11421#(<= ULTIMATE.start_main_~i~4 68), 11422#(<= ULTIMATE.start_main_~i~4 70), 11423#(<= ULTIMATE.start_main_~i~4 72), 11424#(<= ULTIMATE.start_main_~i~4 74), 11425#(<= ULTIMATE.start_main_~i~4 76), 11426#(<= ULTIMATE.start_main_~i~4 78), 11427#(<= ULTIMATE.start_main_~i~4 80), 11428#(<= ULTIMATE.start_main_~i~4 82), 11429#(<= ULTIMATE.start_main_~i~4 84), 11430#(<= ULTIMATE.start_main_~i~4 86), 11431#(<= ULTIMATE.start_main_~i~4 88), 11432#(<= ULTIMATE.start_main_~i~4 90), 11433#(<= ULTIMATE.start_main_~i~4 92), 11434#(<= ULTIMATE.start_main_~i~4 94), 11385#true, 11386#false, 11387#(<= ULTIMATE.start_main_~i~4 0), 11388#(<= ULTIMATE.start_main_~i~4 2), 11389#(<= ULTIMATE.start_main_~i~4 4), 11390#(<= ULTIMATE.start_main_~i~4 6), 11391#(<= ULTIMATE.start_main_~i~4 8)] [2018-07-23 13:44:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,306 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:44:59,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:44:59,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:44:59,307 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 50 states. [2018-07-23 13:44:59,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:59,345 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:44:59,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:44:59,346 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 98 [2018-07-23 13:44:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:59,347 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:44:59,347 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:44:59,348 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:44:59,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:44:59,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:44:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:44:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:44:59,354 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:44:59,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:59,354 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:44:59,354 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:44:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:44:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:44:59,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:59,356 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:44:59,356 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:59,356 INFO L82 PathProgramCache]: Analyzing trace with hash 735415975, now seen corresponding path program 48 times [2018-07-23 13:44:59,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,552 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:59,552 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:44:59,552 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,553 INFO L185 omatonBuilderFactory]: Interpolants [11843#true, 11844#false, 11845#(<= ULTIMATE.start_main_~i~4 0), 11846#(<= ULTIMATE.start_main_~i~4 2), 11847#(<= ULTIMATE.start_main_~i~4 4), 11848#(<= ULTIMATE.start_main_~i~4 6), 11849#(<= ULTIMATE.start_main_~i~4 8), 11850#(<= ULTIMATE.start_main_~i~4 10), 11851#(<= ULTIMATE.start_main_~i~4 12), 11852#(<= ULTIMATE.start_main_~i~4 14), 11853#(<= ULTIMATE.start_main_~i~4 16), 11854#(<= ULTIMATE.start_main_~i~4 18), 11855#(<= ULTIMATE.start_main_~i~4 20), 11856#(<= ULTIMATE.start_main_~i~4 22), 11857#(<= ULTIMATE.start_main_~i~4 24), 11858#(<= ULTIMATE.start_main_~i~4 26), 11859#(<= ULTIMATE.start_main_~i~4 28), 11860#(<= ULTIMATE.start_main_~i~4 30), 11861#(<= ULTIMATE.start_main_~i~4 32), 11862#(<= ULTIMATE.start_main_~i~4 34), 11863#(<= ULTIMATE.start_main_~i~4 36), 11864#(<= ULTIMATE.start_main_~i~4 38), 11865#(<= ULTIMATE.start_main_~i~4 40), 11866#(<= ULTIMATE.start_main_~i~4 42), 11867#(<= ULTIMATE.start_main_~i~4 44), 11868#(<= ULTIMATE.start_main_~i~4 46), 11869#(<= ULTIMATE.start_main_~i~4 48), 11870#(<= ULTIMATE.start_main_~i~4 50), 11871#(<= ULTIMATE.start_main_~i~4 52), 11872#(<= ULTIMATE.start_main_~i~4 54), 11873#(<= ULTIMATE.start_main_~i~4 56), 11874#(<= ULTIMATE.start_main_~i~4 58), 11875#(<= ULTIMATE.start_main_~i~4 60), 11876#(<= ULTIMATE.start_main_~i~4 62), 11877#(<= ULTIMATE.start_main_~i~4 64), 11878#(<= ULTIMATE.start_main_~i~4 66), 11879#(<= ULTIMATE.start_main_~i~4 68), 11880#(<= ULTIMATE.start_main_~i~4 70), 11881#(<= ULTIMATE.start_main_~i~4 72), 11882#(<= ULTIMATE.start_main_~i~4 74), 11883#(<= ULTIMATE.start_main_~i~4 76), 11884#(<= ULTIMATE.start_main_~i~4 78), 11885#(<= ULTIMATE.start_main_~i~4 80), 11886#(<= ULTIMATE.start_main_~i~4 82), 11887#(<= ULTIMATE.start_main_~i~4 84), 11888#(<= ULTIMATE.start_main_~i~4 86), 11889#(<= ULTIMATE.start_main_~i~4 88), 11890#(<= ULTIMATE.start_main_~i~4 90), 11891#(<= ULTIMATE.start_main_~i~4 92), 11892#(<= ULTIMATE.start_main_~i~4 94), 11893#(<= ULTIMATE.start_main_~i~4 96)] [2018-07-23 13:44:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,554 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:44:59,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:44:59,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:44:59,555 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 51 states. [2018-07-23 13:44:59,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:59,603 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:44:59,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:44:59,603 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 100 [2018-07-23 13:44:59,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:59,604 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:44:59,604 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:44:59,605 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:44:59,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:44:59,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:44:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:44:59,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:44:59,610 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:44:59,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:59,611 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:44:59,611 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:44:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:44:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:44:59,613 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:59,613 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:44:59,613 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:59,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1934799775, now seen corresponding path program 49 times [2018-07-23 13:44:59,613 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,812 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:59,812 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:44:59,813 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:59,813 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 13:44:59,813 INFO L185 omatonBuilderFactory]: Interpolants [12310#true, 12311#false, 12312#(<= ULTIMATE.start_main_~i~4 0), 12313#(<= ULTIMATE.start_main_~i~4 2), 12314#(<= ULTIMATE.start_main_~i~4 4), 12315#(<= ULTIMATE.start_main_~i~4 6), 12316#(<= ULTIMATE.start_main_~i~4 8), 12317#(<= ULTIMATE.start_main_~i~4 10), 12318#(<= ULTIMATE.start_main_~i~4 12), 12319#(<= ULTIMATE.start_main_~i~4 14), 12320#(<= ULTIMATE.start_main_~i~4 16), 12321#(<= ULTIMATE.start_main_~i~4 18), 12322#(<= ULTIMATE.start_main_~i~4 20), 12323#(<= ULTIMATE.start_main_~i~4 22), 12324#(<= ULTIMATE.start_main_~i~4 24), 12325#(<= ULTIMATE.start_main_~i~4 26), 12326#(<= ULTIMATE.start_main_~i~4 28), 12327#(<= ULTIMATE.start_main_~i~4 30), 12328#(<= ULTIMATE.start_main_~i~4 32), 12329#(<= ULTIMATE.start_main_~i~4 34), 12330#(<= ULTIMATE.start_main_~i~4 36), 12331#(<= ULTIMATE.start_main_~i~4 38), 12332#(<= ULTIMATE.start_main_~i~4 40), 12333#(<= ULTIMATE.start_main_~i~4 42), 12334#(<= ULTIMATE.start_main_~i~4 44), 12335#(<= ULTIMATE.start_main_~i~4 46), 12336#(<= ULTIMATE.start_main_~i~4 48), 12337#(<= ULTIMATE.start_main_~i~4 50), 12338#(<= ULTIMATE.start_main_~i~4 52), 12339#(<= ULTIMATE.start_main_~i~4 54), 12340#(<= ULTIMATE.start_main_~i~4 56), 12341#(<= ULTIMATE.start_main_~i~4 58), 12342#(<= ULTIMATE.start_main_~i~4 60), 12343#(<= ULTIMATE.start_main_~i~4 62), 12344#(<= ULTIMATE.start_main_~i~4 64), 12345#(<= ULTIMATE.start_main_~i~4 66), 12346#(<= ULTIMATE.start_main_~i~4 68), 12347#(<= ULTIMATE.start_main_~i~4 70), 12348#(<= ULTIMATE.start_main_~i~4 72), 12349#(<= ULTIMATE.start_main_~i~4 74), 12350#(<= ULTIMATE.start_main_~i~4 76), 12351#(<= ULTIMATE.start_main_~i~4 78), 12352#(<= ULTIMATE.start_main_~i~4 80), 12353#(<= ULTIMATE.start_main_~i~4 82), 12354#(<= ULTIMATE.start_main_~i~4 84), 12355#(<= ULTIMATE.start_main_~i~4 86), 12356#(<= ULTIMATE.start_main_~i~4 88), 12357#(<= ULTIMATE.start_main_~i~4 90), 12358#(<= ULTIMATE.start_main_~i~4 92), 12359#(<= ULTIMATE.start_main_~i~4 94), 12360#(<= ULTIMATE.start_main_~i~4 96), 12361#(<= ULTIMATE.start_main_~i~4 98)] [2018-07-23 13:44:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,814 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:44:59,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:44:59,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:44:59,816 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 52 states. [2018-07-23 13:44:59,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:59,859 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:44:59,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:44:59,859 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 102 [2018-07-23 13:44:59,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:59,860 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:44:59,861 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:44:59,862 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:44:59,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:44:59,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:44:59,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:44:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:44:59,866 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:44:59,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:59,866 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:44:59,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:44:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:44:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:44:59,867 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:59,868 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:44:59,868 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:59,868 INFO L82 PathProgramCache]: Analyzing trace with hash 378307483, now seen corresponding path program 50 times [2018-07-23 13:44:59,868 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,109 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:00,109 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:45:00,109 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,110 INFO L185 omatonBuilderFactory]: Interpolants [12800#(<= ULTIMATE.start_main_~i~4 24), 12801#(<= ULTIMATE.start_main_~i~4 26), 12802#(<= ULTIMATE.start_main_~i~4 28), 12803#(<= ULTIMATE.start_main_~i~4 30), 12804#(<= ULTIMATE.start_main_~i~4 32), 12805#(<= ULTIMATE.start_main_~i~4 34), 12806#(<= ULTIMATE.start_main_~i~4 36), 12807#(<= ULTIMATE.start_main_~i~4 38), 12808#(<= ULTIMATE.start_main_~i~4 40), 12809#(<= ULTIMATE.start_main_~i~4 42), 12810#(<= ULTIMATE.start_main_~i~4 44), 12811#(<= ULTIMATE.start_main_~i~4 46), 12812#(<= ULTIMATE.start_main_~i~4 48), 12813#(<= ULTIMATE.start_main_~i~4 50), 12814#(<= ULTIMATE.start_main_~i~4 52), 12815#(<= ULTIMATE.start_main_~i~4 54), 12816#(<= ULTIMATE.start_main_~i~4 56), 12817#(<= ULTIMATE.start_main_~i~4 58), 12818#(<= ULTIMATE.start_main_~i~4 60), 12819#(<= ULTIMATE.start_main_~i~4 62), 12820#(<= ULTIMATE.start_main_~i~4 64), 12821#(<= ULTIMATE.start_main_~i~4 66), 12822#(<= ULTIMATE.start_main_~i~4 68), 12823#(<= ULTIMATE.start_main_~i~4 70), 12824#(<= ULTIMATE.start_main_~i~4 72), 12825#(<= ULTIMATE.start_main_~i~4 74), 12826#(<= ULTIMATE.start_main_~i~4 76), 12827#(<= ULTIMATE.start_main_~i~4 78), 12828#(<= ULTIMATE.start_main_~i~4 80), 12829#(<= ULTIMATE.start_main_~i~4 82), 12830#(<= ULTIMATE.start_main_~i~4 84), 12831#(<= ULTIMATE.start_main_~i~4 86), 12832#(<= ULTIMATE.start_main_~i~4 88), 12833#(<= ULTIMATE.start_main_~i~4 90), 12834#(<= ULTIMATE.start_main_~i~4 92), 12835#(<= ULTIMATE.start_main_~i~4 94), 12836#(<= ULTIMATE.start_main_~i~4 96), 12837#(<= ULTIMATE.start_main_~i~4 98), 12838#(<= ULTIMATE.start_main_~i~4 100), 12786#true, 12787#false, 12788#(<= ULTIMATE.start_main_~i~4 0), 12789#(<= ULTIMATE.start_main_~i~4 2), 12790#(<= ULTIMATE.start_main_~i~4 4), 12791#(<= ULTIMATE.start_main_~i~4 6), 12792#(<= ULTIMATE.start_main_~i~4 8), 12793#(<= ULTIMATE.start_main_~i~4 10), 12794#(<= ULTIMATE.start_main_~i~4 12), 12795#(<= ULTIMATE.start_main_~i~4 14), 12796#(<= ULTIMATE.start_main_~i~4 16), 12797#(<= ULTIMATE.start_main_~i~4 18), 12798#(<= ULTIMATE.start_main_~i~4 20), 12799#(<= ULTIMATE.start_main_~i~4 22)] [2018-07-23 13:45:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,110 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:45:00,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:45:00,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:45:00,113 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 53 states. [2018-07-23 13:45:00,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:00,156 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:45:00,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:45:00,156 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 104 [2018-07-23 13:45:00,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:00,157 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:45:00,157 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:45:00,158 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:45:00,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:45:00,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:45:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:45:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:45:00,167 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:45:00,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:00,168 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:45:00,168 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:45:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:45:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:45:00,169 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:00,169 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:45:00,169 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:00,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1518676907, now seen corresponding path program 51 times [2018-07-23 13:45:00,170 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,451 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:00,451 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:45:00,451 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,452 INFO L185 omatonBuilderFactory]: Interpolants [13312#(<= ULTIMATE.start_main_~i~4 78), 13313#(<= ULTIMATE.start_main_~i~4 80), 13314#(<= ULTIMATE.start_main_~i~4 82), 13315#(<= ULTIMATE.start_main_~i~4 84), 13316#(<= ULTIMATE.start_main_~i~4 86), 13317#(<= ULTIMATE.start_main_~i~4 88), 13318#(<= ULTIMATE.start_main_~i~4 90), 13319#(<= ULTIMATE.start_main_~i~4 92), 13320#(<= ULTIMATE.start_main_~i~4 94), 13321#(<= ULTIMATE.start_main_~i~4 96), 13322#(<= ULTIMATE.start_main_~i~4 98), 13323#(<= ULTIMATE.start_main_~i~4 100), 13324#(<= ULTIMATE.start_main_~i~4 102), 13271#true, 13272#false, 13273#(<= ULTIMATE.start_main_~i~4 0), 13274#(<= ULTIMATE.start_main_~i~4 2), 13275#(<= ULTIMATE.start_main_~i~4 4), 13276#(<= ULTIMATE.start_main_~i~4 6), 13277#(<= ULTIMATE.start_main_~i~4 8), 13278#(<= ULTIMATE.start_main_~i~4 10), 13279#(<= ULTIMATE.start_main_~i~4 12), 13280#(<= ULTIMATE.start_main_~i~4 14), 13281#(<= ULTIMATE.start_main_~i~4 16), 13282#(<= ULTIMATE.start_main_~i~4 18), 13283#(<= ULTIMATE.start_main_~i~4 20), 13284#(<= ULTIMATE.start_main_~i~4 22), 13285#(<= ULTIMATE.start_main_~i~4 24), 13286#(<= ULTIMATE.start_main_~i~4 26), 13287#(<= ULTIMATE.start_main_~i~4 28), 13288#(<= ULTIMATE.start_main_~i~4 30), 13289#(<= ULTIMATE.start_main_~i~4 32), 13290#(<= ULTIMATE.start_main_~i~4 34), 13291#(<= ULTIMATE.start_main_~i~4 36), 13292#(<= ULTIMATE.start_main_~i~4 38), 13293#(<= ULTIMATE.start_main_~i~4 40), 13294#(<= ULTIMATE.start_main_~i~4 42), 13295#(<= ULTIMATE.start_main_~i~4 44), 13296#(<= ULTIMATE.start_main_~i~4 46), 13297#(<= ULTIMATE.start_main_~i~4 48), 13298#(<= ULTIMATE.start_main_~i~4 50), 13299#(<= ULTIMATE.start_main_~i~4 52), 13300#(<= ULTIMATE.start_main_~i~4 54), 13301#(<= ULTIMATE.start_main_~i~4 56), 13302#(<= ULTIMATE.start_main_~i~4 58), 13303#(<= ULTIMATE.start_main_~i~4 60), 13304#(<= ULTIMATE.start_main_~i~4 62), 13305#(<= ULTIMATE.start_main_~i~4 64), 13306#(<= ULTIMATE.start_main_~i~4 66), 13307#(<= ULTIMATE.start_main_~i~4 68), 13308#(<= ULTIMATE.start_main_~i~4 70), 13309#(<= ULTIMATE.start_main_~i~4 72), 13310#(<= ULTIMATE.start_main_~i~4 74), 13311#(<= ULTIMATE.start_main_~i~4 76)] [2018-07-23 13:45:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,453 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:45:00,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:45:00,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:45:00,454 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 54 states. [2018-07-23 13:45:00,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:00,487 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:45:00,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:45:00,487 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 106 [2018-07-23 13:45:00,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:00,488 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:45:00,488 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:45:00,489 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:45:00,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:45:00,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:45:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:45:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:45:00,494 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:45:00,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:00,494 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:45:00,494 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:45:00,494 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:45:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:45:00,495 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:00,495 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:45:00,495 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:00,496 INFO L82 PathProgramCache]: Analyzing trace with hash 840425103, now seen corresponding path program 52 times [2018-07-23 13:45:00,496 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,706 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:00,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:45:00,706 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,707 INFO L185 omatonBuilderFactory]: Interpolants [13765#true, 13766#false, 13767#(<= ULTIMATE.start_main_~i~4 0), 13768#(<= ULTIMATE.start_main_~i~4 2), 13769#(<= ULTIMATE.start_main_~i~4 4), 13770#(<= ULTIMATE.start_main_~i~4 6), 13771#(<= ULTIMATE.start_main_~i~4 8), 13772#(<= ULTIMATE.start_main_~i~4 10), 13773#(<= ULTIMATE.start_main_~i~4 12), 13774#(<= ULTIMATE.start_main_~i~4 14), 13775#(<= ULTIMATE.start_main_~i~4 16), 13776#(<= ULTIMATE.start_main_~i~4 18), 13777#(<= ULTIMATE.start_main_~i~4 20), 13778#(<= ULTIMATE.start_main_~i~4 22), 13779#(<= ULTIMATE.start_main_~i~4 24), 13780#(<= ULTIMATE.start_main_~i~4 26), 13781#(<= ULTIMATE.start_main_~i~4 28), 13782#(<= ULTIMATE.start_main_~i~4 30), 13783#(<= ULTIMATE.start_main_~i~4 32), 13784#(<= ULTIMATE.start_main_~i~4 34), 13785#(<= ULTIMATE.start_main_~i~4 36), 13786#(<= ULTIMATE.start_main_~i~4 38), 13787#(<= ULTIMATE.start_main_~i~4 40), 13788#(<= ULTIMATE.start_main_~i~4 42), 13789#(<= ULTIMATE.start_main_~i~4 44), 13790#(<= ULTIMATE.start_main_~i~4 46), 13791#(<= ULTIMATE.start_main_~i~4 48), 13792#(<= ULTIMATE.start_main_~i~4 50), 13793#(<= ULTIMATE.start_main_~i~4 52), 13794#(<= ULTIMATE.start_main_~i~4 54), 13795#(<= ULTIMATE.start_main_~i~4 56), 13796#(<= ULTIMATE.start_main_~i~4 58), 13797#(<= ULTIMATE.start_main_~i~4 60), 13798#(<= ULTIMATE.start_main_~i~4 62), 13799#(<= ULTIMATE.start_main_~i~4 64), 13800#(<= ULTIMATE.start_main_~i~4 66), 13801#(<= ULTIMATE.start_main_~i~4 68), 13802#(<= ULTIMATE.start_main_~i~4 70), 13803#(<= ULTIMATE.start_main_~i~4 72), 13804#(<= ULTIMATE.start_main_~i~4 74), 13805#(<= ULTIMATE.start_main_~i~4 76), 13806#(<= ULTIMATE.start_main_~i~4 78), 13807#(<= ULTIMATE.start_main_~i~4 80), 13808#(<= ULTIMATE.start_main_~i~4 82), 13809#(<= ULTIMATE.start_main_~i~4 84), 13810#(<= ULTIMATE.start_main_~i~4 86), 13811#(<= ULTIMATE.start_main_~i~4 88), 13812#(<= ULTIMATE.start_main_~i~4 90), 13813#(<= ULTIMATE.start_main_~i~4 92), 13814#(<= ULTIMATE.start_main_~i~4 94), 13815#(<= ULTIMATE.start_main_~i~4 96), 13816#(<= ULTIMATE.start_main_~i~4 98), 13817#(<= ULTIMATE.start_main_~i~4 100), 13818#(<= ULTIMATE.start_main_~i~4 102), 13819#(<= ULTIMATE.start_main_~i~4 104)] [2018-07-23 13:45:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,708 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:45:00,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:45:00,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:45:00,709 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 55 states. [2018-07-23 13:45:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:00,761 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:45:00,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:45:00,762 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 108 [2018-07-23 13:45:00,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:00,763 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:45:00,763 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:45:00,764 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:45:00,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:45:00,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:45:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:45:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:45:00,768 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:45:00,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:00,769 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:45:00,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:45:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:45:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:45:00,770 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:00,770 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:45:00,770 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:00,770 INFO L82 PathProgramCache]: Analyzing trace with hash 194724425, now seen corresponding path program 53 times [2018-07-23 13:45:00,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,986 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:00,986 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:45:00,987 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,987 INFO L185 omatonBuilderFactory]: Interpolants [14268#true, 14269#false, 14270#(<= ULTIMATE.start_main_~i~4 0), 14271#(<= ULTIMATE.start_main_~i~4 2), 14272#(<= ULTIMATE.start_main_~i~4 4), 14273#(<= ULTIMATE.start_main_~i~4 6), 14274#(<= ULTIMATE.start_main_~i~4 8), 14275#(<= ULTIMATE.start_main_~i~4 10), 14276#(<= ULTIMATE.start_main_~i~4 12), 14277#(<= ULTIMATE.start_main_~i~4 14), 14278#(<= ULTIMATE.start_main_~i~4 16), 14279#(<= ULTIMATE.start_main_~i~4 18), 14280#(<= ULTIMATE.start_main_~i~4 20), 14281#(<= ULTIMATE.start_main_~i~4 22), 14282#(<= ULTIMATE.start_main_~i~4 24), 14283#(<= ULTIMATE.start_main_~i~4 26), 14284#(<= ULTIMATE.start_main_~i~4 28), 14285#(<= ULTIMATE.start_main_~i~4 30), 14286#(<= ULTIMATE.start_main_~i~4 32), 14287#(<= ULTIMATE.start_main_~i~4 34), 14288#(<= ULTIMATE.start_main_~i~4 36), 14289#(<= ULTIMATE.start_main_~i~4 38), 14290#(<= ULTIMATE.start_main_~i~4 40), 14291#(<= ULTIMATE.start_main_~i~4 42), 14292#(<= ULTIMATE.start_main_~i~4 44), 14293#(<= ULTIMATE.start_main_~i~4 46), 14294#(<= ULTIMATE.start_main_~i~4 48), 14295#(<= ULTIMATE.start_main_~i~4 50), 14296#(<= ULTIMATE.start_main_~i~4 52), 14297#(<= ULTIMATE.start_main_~i~4 54), 14298#(<= ULTIMATE.start_main_~i~4 56), 14299#(<= ULTIMATE.start_main_~i~4 58), 14300#(<= ULTIMATE.start_main_~i~4 60), 14301#(<= ULTIMATE.start_main_~i~4 62), 14302#(<= ULTIMATE.start_main_~i~4 64), 14303#(<= ULTIMATE.start_main_~i~4 66), 14304#(<= ULTIMATE.start_main_~i~4 68), 14305#(<= ULTIMATE.start_main_~i~4 70), 14306#(<= ULTIMATE.start_main_~i~4 72), 14307#(<= ULTIMATE.start_main_~i~4 74), 14308#(<= ULTIMATE.start_main_~i~4 76), 14309#(<= ULTIMATE.start_main_~i~4 78), 14310#(<= ULTIMATE.start_main_~i~4 80), 14311#(<= ULTIMATE.start_main_~i~4 82), 14312#(<= ULTIMATE.start_main_~i~4 84), 14313#(<= ULTIMATE.start_main_~i~4 86), 14314#(<= ULTIMATE.start_main_~i~4 88), 14315#(<= ULTIMATE.start_main_~i~4 90), 14316#(<= ULTIMATE.start_main_~i~4 92), 14317#(<= ULTIMATE.start_main_~i~4 94), 14318#(<= ULTIMATE.start_main_~i~4 96), 14319#(<= ULTIMATE.start_main_~i~4 98), 14320#(<= ULTIMATE.start_main_~i~4 100), 14321#(<= ULTIMATE.start_main_~i~4 102), 14322#(<= ULTIMATE.start_main_~i~4 104), 14323#(<= ULTIMATE.start_main_~i~4 106)] [2018-07-23 13:45:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:00,988 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:45:00,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:45:00,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:45:00,990 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 56 states. [2018-07-23 13:45:01,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:01,040 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:45:01,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:45:01,041 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 110 [2018-07-23 13:45:01,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:01,042 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:45:01,042 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:45:01,043 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:45:01,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:45:01,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:45:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:45:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:45:01,047 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:45:01,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:01,047 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:45:01,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:45:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:45:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:45:01,048 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:01,048 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:45:01,049 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1848336509, now seen corresponding path program 54 times [2018-07-23 13:45:01,049 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,254 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:01,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:45:01,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,256 INFO L185 omatonBuilderFactory]: Interpolants [14780#true, 14781#false, 14782#(<= ULTIMATE.start_main_~i~4 0), 14783#(<= ULTIMATE.start_main_~i~4 2), 14784#(<= ULTIMATE.start_main_~i~4 4), 14785#(<= ULTIMATE.start_main_~i~4 6), 14786#(<= ULTIMATE.start_main_~i~4 8), 14787#(<= ULTIMATE.start_main_~i~4 10), 14788#(<= ULTIMATE.start_main_~i~4 12), 14789#(<= ULTIMATE.start_main_~i~4 14), 14790#(<= ULTIMATE.start_main_~i~4 16), 14791#(<= ULTIMATE.start_main_~i~4 18), 14792#(<= ULTIMATE.start_main_~i~4 20), 14793#(<= ULTIMATE.start_main_~i~4 22), 14794#(<= ULTIMATE.start_main_~i~4 24), 14795#(<= ULTIMATE.start_main_~i~4 26), 14796#(<= ULTIMATE.start_main_~i~4 28), 14797#(<= ULTIMATE.start_main_~i~4 30), 14798#(<= ULTIMATE.start_main_~i~4 32), 14799#(<= ULTIMATE.start_main_~i~4 34), 14800#(<= ULTIMATE.start_main_~i~4 36), 14801#(<= ULTIMATE.start_main_~i~4 38), 14802#(<= ULTIMATE.start_main_~i~4 40), 14803#(<= ULTIMATE.start_main_~i~4 42), 14804#(<= ULTIMATE.start_main_~i~4 44), 14805#(<= ULTIMATE.start_main_~i~4 46), 14806#(<= ULTIMATE.start_main_~i~4 48), 14807#(<= ULTIMATE.start_main_~i~4 50), 14808#(<= ULTIMATE.start_main_~i~4 52), 14809#(<= ULTIMATE.start_main_~i~4 54), 14810#(<= ULTIMATE.start_main_~i~4 56), 14811#(<= ULTIMATE.start_main_~i~4 58), 14812#(<= ULTIMATE.start_main_~i~4 60), 14813#(<= ULTIMATE.start_main_~i~4 62), 14814#(<= ULTIMATE.start_main_~i~4 64), 14815#(<= ULTIMATE.start_main_~i~4 66), 14816#(<= ULTIMATE.start_main_~i~4 68), 14817#(<= ULTIMATE.start_main_~i~4 70), 14818#(<= ULTIMATE.start_main_~i~4 72), 14819#(<= ULTIMATE.start_main_~i~4 74), 14820#(<= ULTIMATE.start_main_~i~4 76), 14821#(<= ULTIMATE.start_main_~i~4 78), 14822#(<= ULTIMATE.start_main_~i~4 80), 14823#(<= ULTIMATE.start_main_~i~4 82), 14824#(<= ULTIMATE.start_main_~i~4 84), 14825#(<= ULTIMATE.start_main_~i~4 86), 14826#(<= ULTIMATE.start_main_~i~4 88), 14827#(<= ULTIMATE.start_main_~i~4 90), 14828#(<= ULTIMATE.start_main_~i~4 92), 14829#(<= ULTIMATE.start_main_~i~4 94), 14830#(<= ULTIMATE.start_main_~i~4 96), 14831#(<= ULTIMATE.start_main_~i~4 98), 14832#(<= ULTIMATE.start_main_~i~4 100), 14833#(<= ULTIMATE.start_main_~i~4 102), 14834#(<= ULTIMATE.start_main_~i~4 104), 14835#(<= ULTIMATE.start_main_~i~4 106), 14836#(<= ULTIMATE.start_main_~i~4 108)] [2018-07-23 13:45:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,256 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:45:01,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:45:01,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:45:01,258 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 57 states. [2018-07-23 13:45:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:01,313 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:45:01,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:45:01,314 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 112 [2018-07-23 13:45:01,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:01,315 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:45:01,315 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:45:01,317 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:45:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:45:01,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:45:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:45:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:45:01,322 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:45:01,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:01,322 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:45:01,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:45:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:45:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:45:01,324 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:01,324 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:45:01,324 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:01,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1865127485, now seen corresponding path program 55 times [2018-07-23 13:45:01,326 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,546 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:01,546 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:45:01,546 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,547 INFO L185 omatonBuilderFactory]: Interpolants [15301#true, 15302#false, 15303#(<= ULTIMATE.start_main_~i~4 0), 15304#(<= ULTIMATE.start_main_~i~4 2), 15305#(<= ULTIMATE.start_main_~i~4 4), 15306#(<= ULTIMATE.start_main_~i~4 6), 15307#(<= ULTIMATE.start_main_~i~4 8), 15308#(<= ULTIMATE.start_main_~i~4 10), 15309#(<= ULTIMATE.start_main_~i~4 12), 15310#(<= ULTIMATE.start_main_~i~4 14), 15311#(<= ULTIMATE.start_main_~i~4 16), 15312#(<= ULTIMATE.start_main_~i~4 18), 15313#(<= ULTIMATE.start_main_~i~4 20), 15314#(<= ULTIMATE.start_main_~i~4 22), 15315#(<= ULTIMATE.start_main_~i~4 24), 15316#(<= ULTIMATE.start_main_~i~4 26), 15317#(<= ULTIMATE.start_main_~i~4 28), 15318#(<= ULTIMATE.start_main_~i~4 30), 15319#(<= ULTIMATE.start_main_~i~4 32), 15320#(<= ULTIMATE.start_main_~i~4 34), 15321#(<= ULTIMATE.start_main_~i~4 36), 15322#(<= ULTIMATE.start_main_~i~4 38), 15323#(<= ULTIMATE.start_main_~i~4 40), 15324#(<= ULTIMATE.start_main_~i~4 42), 15325#(<= ULTIMATE.start_main_~i~4 44), 15326#(<= ULTIMATE.start_main_~i~4 46), 15327#(<= ULTIMATE.start_main_~i~4 48), 15328#(<= ULTIMATE.start_main_~i~4 50), 15329#(<= ULTIMATE.start_main_~i~4 52), 15330#(<= ULTIMATE.start_main_~i~4 54), 15331#(<= ULTIMATE.start_main_~i~4 56), 15332#(<= ULTIMATE.start_main_~i~4 58), 15333#(<= ULTIMATE.start_main_~i~4 60), 15334#(<= ULTIMATE.start_main_~i~4 62), 15335#(<= ULTIMATE.start_main_~i~4 64), 15336#(<= ULTIMATE.start_main_~i~4 66), 15337#(<= ULTIMATE.start_main_~i~4 68), 15338#(<= ULTIMATE.start_main_~i~4 70), 15339#(<= ULTIMATE.start_main_~i~4 72), 15340#(<= ULTIMATE.start_main_~i~4 74), 15341#(<= ULTIMATE.start_main_~i~4 76), 15342#(<= ULTIMATE.start_main_~i~4 78), 15343#(<= ULTIMATE.start_main_~i~4 80), 15344#(<= ULTIMATE.start_main_~i~4 82), 15345#(<= ULTIMATE.start_main_~i~4 84), 15346#(<= ULTIMATE.start_main_~i~4 86), 15347#(<= ULTIMATE.start_main_~i~4 88), 15348#(<= ULTIMATE.start_main_~i~4 90), 15349#(<= ULTIMATE.start_main_~i~4 92), 15350#(<= ULTIMATE.start_main_~i~4 94), 15351#(<= ULTIMATE.start_main_~i~4 96), 15352#(<= ULTIMATE.start_main_~i~4 98), 15353#(<= ULTIMATE.start_main_~i~4 100), 15354#(<= ULTIMATE.start_main_~i~4 102), 15355#(<= ULTIMATE.start_main_~i~4 104), 15356#(<= ULTIMATE.start_main_~i~4 106), 15357#(<= ULTIMATE.start_main_~i~4 108), 15358#(<= ULTIMATE.start_main_~i~4 110)] [2018-07-23 13:45:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,548 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:45:01,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:45:01,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:45:01,549 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 58 states. [2018-07-23 13:45:01,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:01,613 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:45:01,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:45:01,613 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 114 [2018-07-23 13:45:01,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:01,614 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:45:01,615 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:45:01,616 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:45:01,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:45:01,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:45:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:45:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:45:01,620 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:45:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:01,621 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:45:01,621 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:45:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:45:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:45:01,622 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:01,622 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:45:01,623 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:01,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1386202743, now seen corresponding path program 56 times [2018-07-23 13:45:01,623 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,855 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:01,855 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:45:01,856 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,856 INFO L185 omatonBuilderFactory]: Interpolants [15872#(<= ULTIMATE.start_main_~i~4 78), 15873#(<= ULTIMATE.start_main_~i~4 80), 15874#(<= ULTIMATE.start_main_~i~4 82), 15875#(<= ULTIMATE.start_main_~i~4 84), 15876#(<= ULTIMATE.start_main_~i~4 86), 15877#(<= ULTIMATE.start_main_~i~4 88), 15878#(<= ULTIMATE.start_main_~i~4 90), 15879#(<= ULTIMATE.start_main_~i~4 92), 15880#(<= ULTIMATE.start_main_~i~4 94), 15881#(<= ULTIMATE.start_main_~i~4 96), 15882#(<= ULTIMATE.start_main_~i~4 98), 15883#(<= ULTIMATE.start_main_~i~4 100), 15884#(<= ULTIMATE.start_main_~i~4 102), 15885#(<= ULTIMATE.start_main_~i~4 104), 15886#(<= ULTIMATE.start_main_~i~4 106), 15887#(<= ULTIMATE.start_main_~i~4 108), 15888#(<= ULTIMATE.start_main_~i~4 110), 15889#(<= ULTIMATE.start_main_~i~4 112), 15831#true, 15832#false, 15833#(<= ULTIMATE.start_main_~i~4 0), 15834#(<= ULTIMATE.start_main_~i~4 2), 15835#(<= ULTIMATE.start_main_~i~4 4), 15836#(<= ULTIMATE.start_main_~i~4 6), 15837#(<= ULTIMATE.start_main_~i~4 8), 15838#(<= ULTIMATE.start_main_~i~4 10), 15839#(<= ULTIMATE.start_main_~i~4 12), 15840#(<= ULTIMATE.start_main_~i~4 14), 15841#(<= ULTIMATE.start_main_~i~4 16), 15842#(<= ULTIMATE.start_main_~i~4 18), 15843#(<= ULTIMATE.start_main_~i~4 20), 15844#(<= ULTIMATE.start_main_~i~4 22), 15845#(<= ULTIMATE.start_main_~i~4 24), 15846#(<= ULTIMATE.start_main_~i~4 26), 15847#(<= ULTIMATE.start_main_~i~4 28), 15848#(<= ULTIMATE.start_main_~i~4 30), 15849#(<= ULTIMATE.start_main_~i~4 32), 15850#(<= ULTIMATE.start_main_~i~4 34), 15851#(<= ULTIMATE.start_main_~i~4 36), 15852#(<= ULTIMATE.start_main_~i~4 38), 15853#(<= ULTIMATE.start_main_~i~4 40), 15854#(<= ULTIMATE.start_main_~i~4 42), 15855#(<= ULTIMATE.start_main_~i~4 44), 15856#(<= ULTIMATE.start_main_~i~4 46), 15857#(<= ULTIMATE.start_main_~i~4 48), 15858#(<= ULTIMATE.start_main_~i~4 50), 15859#(<= ULTIMATE.start_main_~i~4 52), 15860#(<= ULTIMATE.start_main_~i~4 54), 15861#(<= ULTIMATE.start_main_~i~4 56), 15862#(<= ULTIMATE.start_main_~i~4 58), 15863#(<= ULTIMATE.start_main_~i~4 60), 15864#(<= ULTIMATE.start_main_~i~4 62), 15865#(<= ULTIMATE.start_main_~i~4 64), 15866#(<= ULTIMATE.start_main_~i~4 66), 15867#(<= ULTIMATE.start_main_~i~4 68), 15868#(<= ULTIMATE.start_main_~i~4 70), 15869#(<= ULTIMATE.start_main_~i~4 72), 15870#(<= ULTIMATE.start_main_~i~4 74), 15871#(<= ULTIMATE.start_main_~i~4 76)] [2018-07-23 13:45:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,857 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:45:01,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:45:01,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:45:01,859 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 59 states. [2018-07-23 13:45:01,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:01,906 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:45:01,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:45:01,906 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 116 [2018-07-23 13:45:01,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:01,907 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:45:01,907 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:45:01,909 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:45:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:45:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:45:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:45:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:45:01,914 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:45:01,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:01,914 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:45:01,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:45:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:45:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:45:01,916 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:01,916 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:45:01,916 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash 701026353, now seen corresponding path program 57 times [2018-07-23 13:45:01,917 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,153 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:02,153 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:45:02,154 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,154 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= ULTIMATE.start_main_~i~4 24), 16385#(<= ULTIMATE.start_main_~i~4 26), 16386#(<= ULTIMATE.start_main_~i~4 28), 16387#(<= ULTIMATE.start_main_~i~4 30), 16388#(<= ULTIMATE.start_main_~i~4 32), 16389#(<= ULTIMATE.start_main_~i~4 34), 16390#(<= ULTIMATE.start_main_~i~4 36), 16391#(<= ULTIMATE.start_main_~i~4 38), 16392#(<= ULTIMATE.start_main_~i~4 40), 16393#(<= ULTIMATE.start_main_~i~4 42), 16394#(<= ULTIMATE.start_main_~i~4 44), 16395#(<= ULTIMATE.start_main_~i~4 46), 16396#(<= ULTIMATE.start_main_~i~4 48), 16397#(<= ULTIMATE.start_main_~i~4 50), 16398#(<= ULTIMATE.start_main_~i~4 52), 16399#(<= ULTIMATE.start_main_~i~4 54), 16400#(<= ULTIMATE.start_main_~i~4 56), 16401#(<= ULTIMATE.start_main_~i~4 58), 16402#(<= ULTIMATE.start_main_~i~4 60), 16403#(<= ULTIMATE.start_main_~i~4 62), 16404#(<= ULTIMATE.start_main_~i~4 64), 16405#(<= ULTIMATE.start_main_~i~4 66), 16406#(<= ULTIMATE.start_main_~i~4 68), 16407#(<= ULTIMATE.start_main_~i~4 70), 16408#(<= ULTIMATE.start_main_~i~4 72), 16409#(<= ULTIMATE.start_main_~i~4 74), 16410#(<= ULTIMATE.start_main_~i~4 76), 16411#(<= ULTIMATE.start_main_~i~4 78), 16412#(<= ULTIMATE.start_main_~i~4 80), 16413#(<= ULTIMATE.start_main_~i~4 82), 16414#(<= ULTIMATE.start_main_~i~4 84), 16415#(<= ULTIMATE.start_main_~i~4 86), 16416#(<= ULTIMATE.start_main_~i~4 88), 16417#(<= ULTIMATE.start_main_~i~4 90), 16418#(<= ULTIMATE.start_main_~i~4 92), 16419#(<= ULTIMATE.start_main_~i~4 94), 16420#(<= ULTIMATE.start_main_~i~4 96), 16421#(<= ULTIMATE.start_main_~i~4 98), 16422#(<= ULTIMATE.start_main_~i~4 100), 16423#(<= ULTIMATE.start_main_~i~4 102), 16424#(<= ULTIMATE.start_main_~i~4 104), 16425#(<= ULTIMATE.start_main_~i~4 106), 16426#(<= ULTIMATE.start_main_~i~4 108), 16427#(<= ULTIMATE.start_main_~i~4 110), 16428#(<= ULTIMATE.start_main_~i~4 112), 16429#(<= ULTIMATE.start_main_~i~4 114), 16370#true, 16371#false, 16372#(<= ULTIMATE.start_main_~i~4 0), 16373#(<= ULTIMATE.start_main_~i~4 2), 16374#(<= ULTIMATE.start_main_~i~4 4), 16375#(<= ULTIMATE.start_main_~i~4 6), 16376#(<= ULTIMATE.start_main_~i~4 8), 16377#(<= ULTIMATE.start_main_~i~4 10), 16378#(<= ULTIMATE.start_main_~i~4 12), 16379#(<= ULTIMATE.start_main_~i~4 14), 16380#(<= ULTIMATE.start_main_~i~4 16), 16381#(<= ULTIMATE.start_main_~i~4 18), 16382#(<= ULTIMATE.start_main_~i~4 20), 16383#(<= ULTIMATE.start_main_~i~4 22)] [2018-07-23 13:45:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,155 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:45:02,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:45:02,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:45:02,157 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 60 states. [2018-07-23 13:45:02,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:02,223 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:45:02,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:45:02,224 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 118 [2018-07-23 13:45:02,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:02,225 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:45:02,225 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:45:02,226 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:45:02,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:45:02,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:45:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:45:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:45:02,231 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:45:02,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:02,231 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:45:02,232 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:45:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:45:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:45:02,233 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:02,233 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:45:02,233 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:02,234 INFO L82 PathProgramCache]: Analyzing trace with hash -623488149, now seen corresponding path program 58 times [2018-07-23 13:45:02,234 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,511 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:02,511 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:45:02,511 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:02,512 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 13:45:02,512 INFO L185 omatonBuilderFactory]: Interpolants [16918#true, 16919#false, 16920#(<= ULTIMATE.start_main_~i~4 0), 16921#(<= ULTIMATE.start_main_~i~4 2), 16922#(<= ULTIMATE.start_main_~i~4 4), 16923#(<= ULTIMATE.start_main_~i~4 6), 16924#(<= ULTIMATE.start_main_~i~4 8), 16925#(<= ULTIMATE.start_main_~i~4 10), 16926#(<= ULTIMATE.start_main_~i~4 12), 16927#(<= ULTIMATE.start_main_~i~4 14), 16928#(<= ULTIMATE.start_main_~i~4 16), 16929#(<= ULTIMATE.start_main_~i~4 18), 16930#(<= ULTIMATE.start_main_~i~4 20), 16931#(<= ULTIMATE.start_main_~i~4 22), 16932#(<= ULTIMATE.start_main_~i~4 24), 16933#(<= ULTIMATE.start_main_~i~4 26), 16934#(<= ULTIMATE.start_main_~i~4 28), 16935#(<= ULTIMATE.start_main_~i~4 30), 16936#(<= ULTIMATE.start_main_~i~4 32), 16937#(<= ULTIMATE.start_main_~i~4 34), 16938#(<= ULTIMATE.start_main_~i~4 36), 16939#(<= ULTIMATE.start_main_~i~4 38), 16940#(<= ULTIMATE.start_main_~i~4 40), 16941#(<= ULTIMATE.start_main_~i~4 42), 16942#(<= ULTIMATE.start_main_~i~4 44), 16943#(<= ULTIMATE.start_main_~i~4 46), 16944#(<= ULTIMATE.start_main_~i~4 48), 16945#(<= ULTIMATE.start_main_~i~4 50), 16946#(<= ULTIMATE.start_main_~i~4 52), 16947#(<= ULTIMATE.start_main_~i~4 54), 16948#(<= ULTIMATE.start_main_~i~4 56), 16949#(<= ULTIMATE.start_main_~i~4 58), 16950#(<= ULTIMATE.start_main_~i~4 60), 16951#(<= ULTIMATE.start_main_~i~4 62), 16952#(<= ULTIMATE.start_main_~i~4 64), 16953#(<= ULTIMATE.start_main_~i~4 66), 16954#(<= ULTIMATE.start_main_~i~4 68), 16955#(<= ULTIMATE.start_main_~i~4 70), 16956#(<= ULTIMATE.start_main_~i~4 72), 16957#(<= ULTIMATE.start_main_~i~4 74), 16958#(<= ULTIMATE.start_main_~i~4 76), 16959#(<= ULTIMATE.start_main_~i~4 78), 16960#(<= ULTIMATE.start_main_~i~4 80), 16961#(<= ULTIMATE.start_main_~i~4 82), 16962#(<= ULTIMATE.start_main_~i~4 84), 16963#(<= ULTIMATE.start_main_~i~4 86), 16964#(<= ULTIMATE.start_main_~i~4 88), 16965#(<= ULTIMATE.start_main_~i~4 90), 16966#(<= ULTIMATE.start_main_~i~4 92), 16967#(<= ULTIMATE.start_main_~i~4 94), 16968#(<= ULTIMATE.start_main_~i~4 96), 16969#(<= ULTIMATE.start_main_~i~4 98), 16970#(<= ULTIMATE.start_main_~i~4 100), 16971#(<= ULTIMATE.start_main_~i~4 102), 16972#(<= ULTIMATE.start_main_~i~4 104), 16973#(<= ULTIMATE.start_main_~i~4 106), 16974#(<= ULTIMATE.start_main_~i~4 108), 16975#(<= ULTIMATE.start_main_~i~4 110), 16976#(<= ULTIMATE.start_main_~i~4 112), 16977#(<= ULTIMATE.start_main_~i~4 114), 16978#(<= ULTIMATE.start_main_~i~4 116)] [2018-07-23 13:45:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,513 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:45:02,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:45:02,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:45:02,515 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 61 states. [2018-07-23 13:45:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:02,587 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:45:02,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:45:02,587 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 120 [2018-07-23 13:45:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:02,588 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:45:02,588 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:45:02,590 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:45:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:45:02,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:45:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:45:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:45:02,595 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:45:02,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:02,596 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:45:02,596 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:45:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:45:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:45:02,598 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:02,598 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:45:02,598 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:02,598 INFO L82 PathProgramCache]: Analyzing trace with hash 2123362341, now seen corresponding path program 59 times [2018-07-23 13:45:02,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,908 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:02,908 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:45:02,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,909 INFO L185 omatonBuilderFactory]: Interpolants [17536#(<= ULTIMATE.start_main_~i~4 118), 17475#true, 17476#false, 17477#(<= ULTIMATE.start_main_~i~4 0), 17478#(<= ULTIMATE.start_main_~i~4 2), 17479#(<= ULTIMATE.start_main_~i~4 4), 17480#(<= ULTIMATE.start_main_~i~4 6), 17481#(<= ULTIMATE.start_main_~i~4 8), 17482#(<= ULTIMATE.start_main_~i~4 10), 17483#(<= ULTIMATE.start_main_~i~4 12), 17484#(<= ULTIMATE.start_main_~i~4 14), 17485#(<= ULTIMATE.start_main_~i~4 16), 17486#(<= ULTIMATE.start_main_~i~4 18), 17487#(<= ULTIMATE.start_main_~i~4 20), 17488#(<= ULTIMATE.start_main_~i~4 22), 17489#(<= ULTIMATE.start_main_~i~4 24), 17490#(<= ULTIMATE.start_main_~i~4 26), 17491#(<= ULTIMATE.start_main_~i~4 28), 17492#(<= ULTIMATE.start_main_~i~4 30), 17493#(<= ULTIMATE.start_main_~i~4 32), 17494#(<= ULTIMATE.start_main_~i~4 34), 17495#(<= ULTIMATE.start_main_~i~4 36), 17496#(<= ULTIMATE.start_main_~i~4 38), 17497#(<= ULTIMATE.start_main_~i~4 40), 17498#(<= ULTIMATE.start_main_~i~4 42), 17499#(<= ULTIMATE.start_main_~i~4 44), 17500#(<= ULTIMATE.start_main_~i~4 46), 17501#(<= ULTIMATE.start_main_~i~4 48), 17502#(<= ULTIMATE.start_main_~i~4 50), 17503#(<= ULTIMATE.start_main_~i~4 52), 17504#(<= ULTIMATE.start_main_~i~4 54), 17505#(<= ULTIMATE.start_main_~i~4 56), 17506#(<= ULTIMATE.start_main_~i~4 58), 17507#(<= ULTIMATE.start_main_~i~4 60), 17508#(<= ULTIMATE.start_main_~i~4 62), 17509#(<= ULTIMATE.start_main_~i~4 64), 17510#(<= ULTIMATE.start_main_~i~4 66), 17511#(<= ULTIMATE.start_main_~i~4 68), 17512#(<= ULTIMATE.start_main_~i~4 70), 17513#(<= ULTIMATE.start_main_~i~4 72), 17514#(<= ULTIMATE.start_main_~i~4 74), 17515#(<= ULTIMATE.start_main_~i~4 76), 17516#(<= ULTIMATE.start_main_~i~4 78), 17517#(<= ULTIMATE.start_main_~i~4 80), 17518#(<= ULTIMATE.start_main_~i~4 82), 17519#(<= ULTIMATE.start_main_~i~4 84), 17520#(<= ULTIMATE.start_main_~i~4 86), 17521#(<= ULTIMATE.start_main_~i~4 88), 17522#(<= ULTIMATE.start_main_~i~4 90), 17523#(<= ULTIMATE.start_main_~i~4 92), 17524#(<= ULTIMATE.start_main_~i~4 94), 17525#(<= ULTIMATE.start_main_~i~4 96), 17526#(<= ULTIMATE.start_main_~i~4 98), 17527#(<= ULTIMATE.start_main_~i~4 100), 17528#(<= ULTIMATE.start_main_~i~4 102), 17529#(<= ULTIMATE.start_main_~i~4 104), 17530#(<= ULTIMATE.start_main_~i~4 106), 17531#(<= ULTIMATE.start_main_~i~4 108), 17532#(<= ULTIMATE.start_main_~i~4 110), 17533#(<= ULTIMATE.start_main_~i~4 112), 17534#(<= ULTIMATE.start_main_~i~4 114), 17535#(<= ULTIMATE.start_main_~i~4 116)] [2018-07-23 13:45:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,910 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:45:02,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:45:02,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:45:02,914 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 62 states. [2018-07-23 13:45:02,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:02,978 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:45:02,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:45:02,978 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 122 [2018-07-23 13:45:02,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:02,980 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:45:02,980 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:45:02,981 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:45:02,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:45:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:45:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:45:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:45:02,986 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:45:02,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:02,986 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:45:02,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:45:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:45:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:45:02,988 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:02,988 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:45:02,988 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:02,989 INFO L82 PathProgramCache]: Analyzing trace with hash 441796191, now seen corresponding path program 60 times [2018-07-23 13:45:02,989 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,236 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:03,236 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:45:03,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,237 INFO L185 omatonBuilderFactory]: Interpolants [18048#(<= ULTIMATE.start_main_~i~4 10), 18049#(<= ULTIMATE.start_main_~i~4 12), 18050#(<= ULTIMATE.start_main_~i~4 14), 18051#(<= ULTIMATE.start_main_~i~4 16), 18052#(<= ULTIMATE.start_main_~i~4 18), 18053#(<= ULTIMATE.start_main_~i~4 20), 18054#(<= ULTIMATE.start_main_~i~4 22), 18055#(<= ULTIMATE.start_main_~i~4 24), 18056#(<= ULTIMATE.start_main_~i~4 26), 18057#(<= ULTIMATE.start_main_~i~4 28), 18058#(<= ULTIMATE.start_main_~i~4 30), 18059#(<= ULTIMATE.start_main_~i~4 32), 18060#(<= ULTIMATE.start_main_~i~4 34), 18061#(<= ULTIMATE.start_main_~i~4 36), 18062#(<= ULTIMATE.start_main_~i~4 38), 18063#(<= ULTIMATE.start_main_~i~4 40), 18064#(<= ULTIMATE.start_main_~i~4 42), 18065#(<= ULTIMATE.start_main_~i~4 44), 18066#(<= ULTIMATE.start_main_~i~4 46), 18067#(<= ULTIMATE.start_main_~i~4 48), 18068#(<= ULTIMATE.start_main_~i~4 50), 18069#(<= ULTIMATE.start_main_~i~4 52), 18070#(<= ULTIMATE.start_main_~i~4 54), 18071#(<= ULTIMATE.start_main_~i~4 56), 18072#(<= ULTIMATE.start_main_~i~4 58), 18073#(<= ULTIMATE.start_main_~i~4 60), 18074#(<= ULTIMATE.start_main_~i~4 62), 18075#(<= ULTIMATE.start_main_~i~4 64), 18076#(<= ULTIMATE.start_main_~i~4 66), 18077#(<= ULTIMATE.start_main_~i~4 68), 18078#(<= ULTIMATE.start_main_~i~4 70), 18079#(<= ULTIMATE.start_main_~i~4 72), 18080#(<= ULTIMATE.start_main_~i~4 74), 18081#(<= ULTIMATE.start_main_~i~4 76), 18082#(<= ULTIMATE.start_main_~i~4 78), 18083#(<= ULTIMATE.start_main_~i~4 80), 18084#(<= ULTIMATE.start_main_~i~4 82), 18085#(<= ULTIMATE.start_main_~i~4 84), 18086#(<= ULTIMATE.start_main_~i~4 86), 18087#(<= ULTIMATE.start_main_~i~4 88), 18088#(<= ULTIMATE.start_main_~i~4 90), 18089#(<= ULTIMATE.start_main_~i~4 92), 18090#(<= ULTIMATE.start_main_~i~4 94), 18091#(<= ULTIMATE.start_main_~i~4 96), 18092#(<= ULTIMATE.start_main_~i~4 98), 18093#(<= ULTIMATE.start_main_~i~4 100), 18094#(<= ULTIMATE.start_main_~i~4 102), 18095#(<= ULTIMATE.start_main_~i~4 104), 18096#(<= ULTIMATE.start_main_~i~4 106), 18097#(<= ULTIMATE.start_main_~i~4 108), 18098#(<= ULTIMATE.start_main_~i~4 110), 18099#(<= ULTIMATE.start_main_~i~4 112), 18100#(<= ULTIMATE.start_main_~i~4 114), 18101#(<= ULTIMATE.start_main_~i~4 116), 18102#(<= ULTIMATE.start_main_~i~4 118), 18103#(<= ULTIMATE.start_main_~i~4 120), 18041#true, 18042#false, 18043#(<= ULTIMATE.start_main_~i~4 0), 18044#(<= ULTIMATE.start_main_~i~4 2), 18045#(<= ULTIMATE.start_main_~i~4 4), 18046#(<= ULTIMATE.start_main_~i~4 6), 18047#(<= ULTIMATE.start_main_~i~4 8)] [2018-07-23 13:45:03,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,238 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:45:03,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:45:03,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:45:03,240 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 63 states. [2018-07-23 13:45:03,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:03,315 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:45:03,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:45:03,316 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 124 [2018-07-23 13:45:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:03,317 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:45:03,317 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:45:03,318 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:45:03,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:45:03,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:45:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:45:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:45:03,323 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:45:03,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:03,323 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:45:03,323 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:45:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:45:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:45:03,325 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:03,325 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:45:03,325 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:03,325 INFO L82 PathProgramCache]: Analyzing trace with hash -635570663, now seen corresponding path program 61 times [2018-07-23 13:45:03,325 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:03,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:45:03,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,573 INFO L185 omatonBuilderFactory]: Interpolants [18616#true, 18617#false, 18618#(<= ULTIMATE.start_main_~i~4 0), 18619#(<= ULTIMATE.start_main_~i~4 2), 18620#(<= ULTIMATE.start_main_~i~4 4), 18621#(<= ULTIMATE.start_main_~i~4 6), 18622#(<= ULTIMATE.start_main_~i~4 8), 18623#(<= ULTIMATE.start_main_~i~4 10), 18624#(<= ULTIMATE.start_main_~i~4 12), 18625#(<= ULTIMATE.start_main_~i~4 14), 18626#(<= ULTIMATE.start_main_~i~4 16), 18627#(<= ULTIMATE.start_main_~i~4 18), 18628#(<= ULTIMATE.start_main_~i~4 20), 18629#(<= ULTIMATE.start_main_~i~4 22), 18630#(<= ULTIMATE.start_main_~i~4 24), 18631#(<= ULTIMATE.start_main_~i~4 26), 18632#(<= ULTIMATE.start_main_~i~4 28), 18633#(<= ULTIMATE.start_main_~i~4 30), 18634#(<= ULTIMATE.start_main_~i~4 32), 18635#(<= ULTIMATE.start_main_~i~4 34), 18636#(<= ULTIMATE.start_main_~i~4 36), 18637#(<= ULTIMATE.start_main_~i~4 38), 18638#(<= ULTIMATE.start_main_~i~4 40), 18639#(<= ULTIMATE.start_main_~i~4 42), 18640#(<= ULTIMATE.start_main_~i~4 44), 18641#(<= ULTIMATE.start_main_~i~4 46), 18642#(<= ULTIMATE.start_main_~i~4 48), 18643#(<= ULTIMATE.start_main_~i~4 50), 18644#(<= ULTIMATE.start_main_~i~4 52), 18645#(<= ULTIMATE.start_main_~i~4 54), 18646#(<= ULTIMATE.start_main_~i~4 56), 18647#(<= ULTIMATE.start_main_~i~4 58), 18648#(<= ULTIMATE.start_main_~i~4 60), 18649#(<= ULTIMATE.start_main_~i~4 62), 18650#(<= ULTIMATE.start_main_~i~4 64), 18651#(<= ULTIMATE.start_main_~i~4 66), 18652#(<= ULTIMATE.start_main_~i~4 68), 18653#(<= ULTIMATE.start_main_~i~4 70), 18654#(<= ULTIMATE.start_main_~i~4 72), 18655#(<= ULTIMATE.start_main_~i~4 74), 18656#(<= ULTIMATE.start_main_~i~4 76), 18657#(<= ULTIMATE.start_main_~i~4 78), 18658#(<= ULTIMATE.start_main_~i~4 80), 18659#(<= ULTIMATE.start_main_~i~4 82), 18660#(<= ULTIMATE.start_main_~i~4 84), 18661#(<= ULTIMATE.start_main_~i~4 86), 18662#(<= ULTIMATE.start_main_~i~4 88), 18663#(<= ULTIMATE.start_main_~i~4 90), 18664#(<= ULTIMATE.start_main_~i~4 92), 18665#(<= ULTIMATE.start_main_~i~4 94), 18666#(<= ULTIMATE.start_main_~i~4 96), 18667#(<= ULTIMATE.start_main_~i~4 98), 18668#(<= ULTIMATE.start_main_~i~4 100), 18669#(<= ULTIMATE.start_main_~i~4 102), 18670#(<= ULTIMATE.start_main_~i~4 104), 18671#(<= ULTIMATE.start_main_~i~4 106), 18672#(<= ULTIMATE.start_main_~i~4 108), 18673#(<= ULTIMATE.start_main_~i~4 110), 18674#(<= ULTIMATE.start_main_~i~4 112), 18675#(<= ULTIMATE.start_main_~i~4 114), 18676#(<= ULTIMATE.start_main_~i~4 116), 18677#(<= ULTIMATE.start_main_~i~4 118), 18678#(<= ULTIMATE.start_main_~i~4 120), 18679#(<= ULTIMATE.start_main_~i~4 122)] [2018-07-23 13:45:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:45:03,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:45:03,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:45:03,576 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 64 states. [2018-07-23 13:45:03,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:03,648 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:45:03,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:45:03,648 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 126 [2018-07-23 13:45:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:03,649 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:45:03,649 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:45:03,650 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:45:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:45:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:45:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:45:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:45:03,655 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:45:03,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:03,656 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:45:03,656 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:45:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:45:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:45:03,657 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:03,657 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:45:03,657 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:03,658 INFO L82 PathProgramCache]: Analyzing trace with hash -897999021, now seen corresponding path program 62 times [2018-07-23 13:45:03,658 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,898 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:03,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:45:03,899 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,900 INFO L185 omatonBuilderFactory]: Interpolants [19200#true, 19201#false, 19202#(<= ULTIMATE.start_main_~i~4 0), 19203#(<= ULTIMATE.start_main_~i~4 2), 19204#(<= ULTIMATE.start_main_~i~4 4), 19205#(<= ULTIMATE.start_main_~i~4 6), 19206#(<= ULTIMATE.start_main_~i~4 8), 19207#(<= ULTIMATE.start_main_~i~4 10), 19208#(<= ULTIMATE.start_main_~i~4 12), 19209#(<= ULTIMATE.start_main_~i~4 14), 19210#(<= ULTIMATE.start_main_~i~4 16), 19211#(<= ULTIMATE.start_main_~i~4 18), 19212#(<= ULTIMATE.start_main_~i~4 20), 19213#(<= ULTIMATE.start_main_~i~4 22), 19214#(<= ULTIMATE.start_main_~i~4 24), 19215#(<= ULTIMATE.start_main_~i~4 26), 19216#(<= ULTIMATE.start_main_~i~4 28), 19217#(<= ULTIMATE.start_main_~i~4 30), 19218#(<= ULTIMATE.start_main_~i~4 32), 19219#(<= ULTIMATE.start_main_~i~4 34), 19220#(<= ULTIMATE.start_main_~i~4 36), 19221#(<= ULTIMATE.start_main_~i~4 38), 19222#(<= ULTIMATE.start_main_~i~4 40), 19223#(<= ULTIMATE.start_main_~i~4 42), 19224#(<= ULTIMATE.start_main_~i~4 44), 19225#(<= ULTIMATE.start_main_~i~4 46), 19226#(<= ULTIMATE.start_main_~i~4 48), 19227#(<= ULTIMATE.start_main_~i~4 50), 19228#(<= ULTIMATE.start_main_~i~4 52), 19229#(<= ULTIMATE.start_main_~i~4 54), 19230#(<= ULTIMATE.start_main_~i~4 56), 19231#(<= ULTIMATE.start_main_~i~4 58), 19232#(<= ULTIMATE.start_main_~i~4 60), 19233#(<= ULTIMATE.start_main_~i~4 62), 19234#(<= ULTIMATE.start_main_~i~4 64), 19235#(<= ULTIMATE.start_main_~i~4 66), 19236#(<= ULTIMATE.start_main_~i~4 68), 19237#(<= ULTIMATE.start_main_~i~4 70), 19238#(<= ULTIMATE.start_main_~i~4 72), 19239#(<= ULTIMATE.start_main_~i~4 74), 19240#(<= ULTIMATE.start_main_~i~4 76), 19241#(<= ULTIMATE.start_main_~i~4 78), 19242#(<= ULTIMATE.start_main_~i~4 80), 19243#(<= ULTIMATE.start_main_~i~4 82), 19244#(<= ULTIMATE.start_main_~i~4 84), 19245#(<= ULTIMATE.start_main_~i~4 86), 19246#(<= ULTIMATE.start_main_~i~4 88), 19247#(<= ULTIMATE.start_main_~i~4 90), 19248#(<= ULTIMATE.start_main_~i~4 92), 19249#(<= ULTIMATE.start_main_~i~4 94), 19250#(<= ULTIMATE.start_main_~i~4 96), 19251#(<= ULTIMATE.start_main_~i~4 98), 19252#(<= ULTIMATE.start_main_~i~4 100), 19253#(<= ULTIMATE.start_main_~i~4 102), 19254#(<= ULTIMATE.start_main_~i~4 104), 19255#(<= ULTIMATE.start_main_~i~4 106), 19256#(<= ULTIMATE.start_main_~i~4 108), 19257#(<= ULTIMATE.start_main_~i~4 110), 19258#(<= ULTIMATE.start_main_~i~4 112), 19259#(<= ULTIMATE.start_main_~i~4 114), 19260#(<= ULTIMATE.start_main_~i~4 116), 19261#(<= ULTIMATE.start_main_~i~4 118), 19262#(<= ULTIMATE.start_main_~i~4 120), 19263#(<= ULTIMATE.start_main_~i~4 122), 19264#(<= ULTIMATE.start_main_~i~4 124)] [2018-07-23 13:45:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,900 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:45:03,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:45:03,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:45:03,904 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 65 states. [2018-07-23 13:45:03,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:03,981 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:45:03,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:45:03,982 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 128 [2018-07-23 13:45:03,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:03,983 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:45:03,983 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:45:03,984 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:45:03,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:45:03,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:45:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:45:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:45:03,989 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:45:03,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:03,990 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:45:03,990 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:45:03,990 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:45:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:45:03,991 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:03,991 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:45:03,991 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:03,992 INFO L82 PathProgramCache]: Analyzing trace with hash 311419405, now seen corresponding path program 63 times [2018-07-23 13:45:03,992 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,237 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:04,237 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:45:04,238 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,238 INFO L185 omatonBuilderFactory]: Interpolants [19840#(<= ULTIMATE.start_main_~i~4 90), 19841#(<= ULTIMATE.start_main_~i~4 92), 19842#(<= ULTIMATE.start_main_~i~4 94), 19843#(<= ULTIMATE.start_main_~i~4 96), 19844#(<= ULTIMATE.start_main_~i~4 98), 19845#(<= ULTIMATE.start_main_~i~4 100), 19846#(<= ULTIMATE.start_main_~i~4 102), 19847#(<= ULTIMATE.start_main_~i~4 104), 19848#(<= ULTIMATE.start_main_~i~4 106), 19849#(<= ULTIMATE.start_main_~i~4 108), 19850#(<= ULTIMATE.start_main_~i~4 110), 19851#(<= ULTIMATE.start_main_~i~4 112), 19852#(<= ULTIMATE.start_main_~i~4 114), 19853#(<= ULTIMATE.start_main_~i~4 116), 19854#(<= ULTIMATE.start_main_~i~4 118), 19855#(<= ULTIMATE.start_main_~i~4 120), 19856#(<= ULTIMATE.start_main_~i~4 122), 19857#(<= ULTIMATE.start_main_~i~4 124), 19858#(<= ULTIMATE.start_main_~i~4 126), 19793#true, 19794#false, 19795#(<= ULTIMATE.start_main_~i~4 0), 19796#(<= ULTIMATE.start_main_~i~4 2), 19797#(<= ULTIMATE.start_main_~i~4 4), 19798#(<= ULTIMATE.start_main_~i~4 6), 19799#(<= ULTIMATE.start_main_~i~4 8), 19800#(<= ULTIMATE.start_main_~i~4 10), 19801#(<= ULTIMATE.start_main_~i~4 12), 19802#(<= ULTIMATE.start_main_~i~4 14), 19803#(<= ULTIMATE.start_main_~i~4 16), 19804#(<= ULTIMATE.start_main_~i~4 18), 19805#(<= ULTIMATE.start_main_~i~4 20), 19806#(<= ULTIMATE.start_main_~i~4 22), 19807#(<= ULTIMATE.start_main_~i~4 24), 19808#(<= ULTIMATE.start_main_~i~4 26), 19809#(<= ULTIMATE.start_main_~i~4 28), 19810#(<= ULTIMATE.start_main_~i~4 30), 19811#(<= ULTIMATE.start_main_~i~4 32), 19812#(<= ULTIMATE.start_main_~i~4 34), 19813#(<= ULTIMATE.start_main_~i~4 36), 19814#(<= ULTIMATE.start_main_~i~4 38), 19815#(<= ULTIMATE.start_main_~i~4 40), 19816#(<= ULTIMATE.start_main_~i~4 42), 19817#(<= ULTIMATE.start_main_~i~4 44), 19818#(<= ULTIMATE.start_main_~i~4 46), 19819#(<= ULTIMATE.start_main_~i~4 48), 19820#(<= ULTIMATE.start_main_~i~4 50), 19821#(<= ULTIMATE.start_main_~i~4 52), 19822#(<= ULTIMATE.start_main_~i~4 54), 19823#(<= ULTIMATE.start_main_~i~4 56), 19824#(<= ULTIMATE.start_main_~i~4 58), 19825#(<= ULTIMATE.start_main_~i~4 60), 19826#(<= ULTIMATE.start_main_~i~4 62), 19827#(<= ULTIMATE.start_main_~i~4 64), 19828#(<= ULTIMATE.start_main_~i~4 66), 19829#(<= ULTIMATE.start_main_~i~4 68), 19830#(<= ULTIMATE.start_main_~i~4 70), 19831#(<= ULTIMATE.start_main_~i~4 72), 19832#(<= ULTIMATE.start_main_~i~4 74), 19833#(<= ULTIMATE.start_main_~i~4 76), 19834#(<= ULTIMATE.start_main_~i~4 78), 19835#(<= ULTIMATE.start_main_~i~4 80), 19836#(<= ULTIMATE.start_main_~i~4 82), 19837#(<= ULTIMATE.start_main_~i~4 84), 19838#(<= ULTIMATE.start_main_~i~4 86), 19839#(<= ULTIMATE.start_main_~i~4 88)] [2018-07-23 13:45:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,239 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:45:04,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:45:04,241 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:45:04,241 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 66 states. [2018-07-23 13:45:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:04,288 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:45:04,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:45:04,288 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 130 [2018-07-23 13:45:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:04,290 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:45:04,290 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:45:04,291 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:45:04,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:45:04,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:45:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:45:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:45:04,296 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:45:04,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:04,297 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:45:04,297 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:45:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:45:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:45:04,298 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:04,298 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:45:04,298 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:04,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1373610425, now seen corresponding path program 64 times [2018-07-23 13:45:04,299 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,539 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:04,539 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:45:04,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,540 INFO L185 omatonBuilderFactory]: Interpolants [20395#true, 20396#false, 20397#(<= ULTIMATE.start_main_~i~4 0), 20398#(<= ULTIMATE.start_main_~i~4 2), 20399#(<= ULTIMATE.start_main_~i~4 4), 20400#(<= ULTIMATE.start_main_~i~4 6), 20401#(<= ULTIMATE.start_main_~i~4 8), 20402#(<= ULTIMATE.start_main_~i~4 10), 20403#(<= ULTIMATE.start_main_~i~4 12), 20404#(<= ULTIMATE.start_main_~i~4 14), 20405#(<= ULTIMATE.start_main_~i~4 16), 20406#(<= ULTIMATE.start_main_~i~4 18), 20407#(<= ULTIMATE.start_main_~i~4 20), 20408#(<= ULTIMATE.start_main_~i~4 22), 20409#(<= ULTIMATE.start_main_~i~4 24), 20410#(<= ULTIMATE.start_main_~i~4 26), 20411#(<= ULTIMATE.start_main_~i~4 28), 20412#(<= ULTIMATE.start_main_~i~4 30), 20413#(<= ULTIMATE.start_main_~i~4 32), 20414#(<= ULTIMATE.start_main_~i~4 34), 20415#(<= ULTIMATE.start_main_~i~4 36), 20416#(<= ULTIMATE.start_main_~i~4 38), 20417#(<= ULTIMATE.start_main_~i~4 40), 20418#(<= ULTIMATE.start_main_~i~4 42), 20419#(<= ULTIMATE.start_main_~i~4 44), 20420#(<= ULTIMATE.start_main_~i~4 46), 20421#(<= ULTIMATE.start_main_~i~4 48), 20422#(<= ULTIMATE.start_main_~i~4 50), 20423#(<= ULTIMATE.start_main_~i~4 52), 20424#(<= ULTIMATE.start_main_~i~4 54), 20425#(<= ULTIMATE.start_main_~i~4 56), 20426#(<= ULTIMATE.start_main_~i~4 58), 20427#(<= ULTIMATE.start_main_~i~4 60), 20428#(<= ULTIMATE.start_main_~i~4 62), 20429#(<= ULTIMATE.start_main_~i~4 64), 20430#(<= ULTIMATE.start_main_~i~4 66), 20431#(<= ULTIMATE.start_main_~i~4 68), 20432#(<= ULTIMATE.start_main_~i~4 70), 20433#(<= ULTIMATE.start_main_~i~4 72), 20434#(<= ULTIMATE.start_main_~i~4 74), 20435#(<= ULTIMATE.start_main_~i~4 76), 20436#(<= ULTIMATE.start_main_~i~4 78), 20437#(<= ULTIMATE.start_main_~i~4 80), 20438#(<= ULTIMATE.start_main_~i~4 82), 20439#(<= ULTIMATE.start_main_~i~4 84), 20440#(<= ULTIMATE.start_main_~i~4 86), 20441#(<= ULTIMATE.start_main_~i~4 88), 20442#(<= ULTIMATE.start_main_~i~4 90), 20443#(<= ULTIMATE.start_main_~i~4 92), 20444#(<= ULTIMATE.start_main_~i~4 94), 20445#(<= ULTIMATE.start_main_~i~4 96), 20446#(<= ULTIMATE.start_main_~i~4 98), 20447#(<= ULTIMATE.start_main_~i~4 100), 20448#(<= ULTIMATE.start_main_~i~4 102), 20449#(<= ULTIMATE.start_main_~i~4 104), 20450#(<= ULTIMATE.start_main_~i~4 106), 20451#(<= ULTIMATE.start_main_~i~4 108), 20452#(<= ULTIMATE.start_main_~i~4 110), 20453#(<= ULTIMATE.start_main_~i~4 112), 20454#(<= ULTIMATE.start_main_~i~4 114), 20455#(<= ULTIMATE.start_main_~i~4 116), 20456#(<= ULTIMATE.start_main_~i~4 118), 20457#(<= ULTIMATE.start_main_~i~4 120), 20458#(<= ULTIMATE.start_main_~i~4 122), 20459#(<= ULTIMATE.start_main_~i~4 124), 20460#(<= ULTIMATE.start_main_~i~4 126), 20461#(<= ULTIMATE.start_main_~i~4 128)] [2018-07-23 13:45:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,541 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:45:04,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:45:04,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:45:04,543 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 67 states. [2018-07-23 13:45:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:04,610 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:45:04,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:45:04,611 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 132 [2018-07-23 13:45:04,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:04,612 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:45:04,612 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:45:04,613 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:45:04,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:45:04,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:45:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:45:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:45:04,617 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:45:04,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:04,618 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:45:04,618 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:45:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:45:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:45:04,620 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:04,620 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:45:04,620 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:04,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1484606463, now seen corresponding path program 65 times [2018-07-23 13:45:04,620 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,868 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:04,868 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:45:04,868 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,869 INFO L185 omatonBuilderFactory]: Interpolants [21006#true, 21007#false, 21008#(<= ULTIMATE.start_main_~i~4 0), 21009#(<= ULTIMATE.start_main_~i~4 2), 21010#(<= ULTIMATE.start_main_~i~4 4), 21011#(<= ULTIMATE.start_main_~i~4 6), 21012#(<= ULTIMATE.start_main_~i~4 8), 21013#(<= ULTIMATE.start_main_~i~4 10), 21014#(<= ULTIMATE.start_main_~i~4 12), 21015#(<= ULTIMATE.start_main_~i~4 14), 21016#(<= ULTIMATE.start_main_~i~4 16), 21017#(<= ULTIMATE.start_main_~i~4 18), 21018#(<= ULTIMATE.start_main_~i~4 20), 21019#(<= ULTIMATE.start_main_~i~4 22), 21020#(<= ULTIMATE.start_main_~i~4 24), 21021#(<= ULTIMATE.start_main_~i~4 26), 21022#(<= ULTIMATE.start_main_~i~4 28), 21023#(<= ULTIMATE.start_main_~i~4 30), 21024#(<= ULTIMATE.start_main_~i~4 32), 21025#(<= ULTIMATE.start_main_~i~4 34), 21026#(<= ULTIMATE.start_main_~i~4 36), 21027#(<= ULTIMATE.start_main_~i~4 38), 21028#(<= ULTIMATE.start_main_~i~4 40), 21029#(<= ULTIMATE.start_main_~i~4 42), 21030#(<= ULTIMATE.start_main_~i~4 44), 21031#(<= ULTIMATE.start_main_~i~4 46), 21032#(<= ULTIMATE.start_main_~i~4 48), 21033#(<= ULTIMATE.start_main_~i~4 50), 21034#(<= ULTIMATE.start_main_~i~4 52), 21035#(<= ULTIMATE.start_main_~i~4 54), 21036#(<= ULTIMATE.start_main_~i~4 56), 21037#(<= ULTIMATE.start_main_~i~4 58), 21038#(<= ULTIMATE.start_main_~i~4 60), 21039#(<= ULTIMATE.start_main_~i~4 62), 21040#(<= ULTIMATE.start_main_~i~4 64), 21041#(<= ULTIMATE.start_main_~i~4 66), 21042#(<= ULTIMATE.start_main_~i~4 68), 21043#(<= ULTIMATE.start_main_~i~4 70), 21044#(<= ULTIMATE.start_main_~i~4 72), 21045#(<= ULTIMATE.start_main_~i~4 74), 21046#(<= ULTIMATE.start_main_~i~4 76), 21047#(<= ULTIMATE.start_main_~i~4 78), 21048#(<= ULTIMATE.start_main_~i~4 80), 21049#(<= ULTIMATE.start_main_~i~4 82), 21050#(<= ULTIMATE.start_main_~i~4 84), 21051#(<= ULTIMATE.start_main_~i~4 86), 21052#(<= ULTIMATE.start_main_~i~4 88), 21053#(<= ULTIMATE.start_main_~i~4 90), 21054#(<= ULTIMATE.start_main_~i~4 92), 21055#(<= ULTIMATE.start_main_~i~4 94), 21056#(<= ULTIMATE.start_main_~i~4 96), 21057#(<= ULTIMATE.start_main_~i~4 98), 21058#(<= ULTIMATE.start_main_~i~4 100), 21059#(<= ULTIMATE.start_main_~i~4 102), 21060#(<= ULTIMATE.start_main_~i~4 104), 21061#(<= ULTIMATE.start_main_~i~4 106), 21062#(<= ULTIMATE.start_main_~i~4 108), 21063#(<= ULTIMATE.start_main_~i~4 110), 21064#(<= ULTIMATE.start_main_~i~4 112), 21065#(<= ULTIMATE.start_main_~i~4 114), 21066#(<= ULTIMATE.start_main_~i~4 116), 21067#(<= ULTIMATE.start_main_~i~4 118), 21068#(<= ULTIMATE.start_main_~i~4 120), 21069#(<= ULTIMATE.start_main_~i~4 122), 21070#(<= ULTIMATE.start_main_~i~4 124), 21071#(<= ULTIMATE.start_main_~i~4 126), 21072#(<= ULTIMATE.start_main_~i~4 128), 21073#(<= ULTIMATE.start_main_~i~4 130)] [2018-07-23 13:45:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:04,870 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:45:04,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:45:04,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:45:04,872 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 68 states. [2018-07-23 13:45:04,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:04,956 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:45:04,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:45:04,957 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 134 [2018-07-23 13:45:04,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:04,958 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:45:04,958 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:45:04,959 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:45:04,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:45:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:45:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:45:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:45:04,965 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:45:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:04,965 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:45:04,966 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:45:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:45:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:45:04,967 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:04,967 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:45:04,967 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:04,968 INFO L82 PathProgramCache]: Analyzing trace with hash -777616581, now seen corresponding path program 66 times [2018-07-23 13:45:04,968 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,250 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:05,250 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:45:05,250 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,251 INFO L185 omatonBuilderFactory]: Interpolants [21632#(<= ULTIMATE.start_main_~i~4 8), 21633#(<= ULTIMATE.start_main_~i~4 10), 21634#(<= ULTIMATE.start_main_~i~4 12), 21635#(<= ULTIMATE.start_main_~i~4 14), 21636#(<= ULTIMATE.start_main_~i~4 16), 21637#(<= ULTIMATE.start_main_~i~4 18), 21638#(<= ULTIMATE.start_main_~i~4 20), 21639#(<= ULTIMATE.start_main_~i~4 22), 21640#(<= ULTIMATE.start_main_~i~4 24), 21641#(<= ULTIMATE.start_main_~i~4 26), 21642#(<= ULTIMATE.start_main_~i~4 28), 21643#(<= ULTIMATE.start_main_~i~4 30), 21644#(<= ULTIMATE.start_main_~i~4 32), 21645#(<= ULTIMATE.start_main_~i~4 34), 21646#(<= ULTIMATE.start_main_~i~4 36), 21647#(<= ULTIMATE.start_main_~i~4 38), 21648#(<= ULTIMATE.start_main_~i~4 40), 21649#(<= ULTIMATE.start_main_~i~4 42), 21650#(<= ULTIMATE.start_main_~i~4 44), 21651#(<= ULTIMATE.start_main_~i~4 46), 21652#(<= ULTIMATE.start_main_~i~4 48), 21653#(<= ULTIMATE.start_main_~i~4 50), 21654#(<= ULTIMATE.start_main_~i~4 52), 21655#(<= ULTIMATE.start_main_~i~4 54), 21656#(<= ULTIMATE.start_main_~i~4 56), 21657#(<= ULTIMATE.start_main_~i~4 58), 21658#(<= ULTIMATE.start_main_~i~4 60), 21659#(<= ULTIMATE.start_main_~i~4 62), 21660#(<= ULTIMATE.start_main_~i~4 64), 21661#(<= ULTIMATE.start_main_~i~4 66), 21662#(<= ULTIMATE.start_main_~i~4 68), 21663#(<= ULTIMATE.start_main_~i~4 70), 21664#(<= ULTIMATE.start_main_~i~4 72), 21665#(<= ULTIMATE.start_main_~i~4 74), 21666#(<= ULTIMATE.start_main_~i~4 76), 21667#(<= ULTIMATE.start_main_~i~4 78), 21668#(<= ULTIMATE.start_main_~i~4 80), 21669#(<= ULTIMATE.start_main_~i~4 82), 21670#(<= ULTIMATE.start_main_~i~4 84), 21671#(<= ULTIMATE.start_main_~i~4 86), 21672#(<= ULTIMATE.start_main_~i~4 88), 21673#(<= ULTIMATE.start_main_~i~4 90), 21674#(<= ULTIMATE.start_main_~i~4 92), 21675#(<= ULTIMATE.start_main_~i~4 94), 21676#(<= ULTIMATE.start_main_~i~4 96), 21677#(<= ULTIMATE.start_main_~i~4 98), 21678#(<= ULTIMATE.start_main_~i~4 100), 21679#(<= ULTIMATE.start_main_~i~4 102), 21680#(<= ULTIMATE.start_main_~i~4 104), 21681#(<= ULTIMATE.start_main_~i~4 106), 21682#(<= ULTIMATE.start_main_~i~4 108), 21683#(<= ULTIMATE.start_main_~i~4 110), 21684#(<= ULTIMATE.start_main_~i~4 112), 21685#(<= ULTIMATE.start_main_~i~4 114), 21686#(<= ULTIMATE.start_main_~i~4 116), 21687#(<= ULTIMATE.start_main_~i~4 118), 21688#(<= ULTIMATE.start_main_~i~4 120), 21689#(<= ULTIMATE.start_main_~i~4 122), 21690#(<= ULTIMATE.start_main_~i~4 124), 21691#(<= ULTIMATE.start_main_~i~4 126), 21692#(<= ULTIMATE.start_main_~i~4 128), 21693#(<= ULTIMATE.start_main_~i~4 130), 21694#(<= ULTIMATE.start_main_~i~4 132), 21626#true, 21627#false, 21628#(<= ULTIMATE.start_main_~i~4 0), 21629#(<= ULTIMATE.start_main_~i~4 2), 21630#(<= ULTIMATE.start_main_~i~4 4), 21631#(<= ULTIMATE.start_main_~i~4 6)] [2018-07-23 13:45:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,252 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:45:05,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:45:05,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:45:05,254 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 69 states. [2018-07-23 13:45:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:05,335 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:45:05,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:45:05,336 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 136 [2018-07-23 13:45:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:05,337 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:45:05,337 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:45:05,338 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:45:05,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:45:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:45:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:45:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:45:05,343 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:45:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:05,343 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:45:05,343 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:45:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:45:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:45:05,344 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:05,345 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:45:05,345 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:05,345 INFO L82 PathProgramCache]: Analyzing trace with hash 34827253, now seen corresponding path program 67 times [2018-07-23 13:45:05,345 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,602 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:05,602 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:45:05,603 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,603 INFO L185 omatonBuilderFactory]: Interpolants [22272#(<= ULTIMATE.start_main_~i~4 30), 22273#(<= ULTIMATE.start_main_~i~4 32), 22274#(<= ULTIMATE.start_main_~i~4 34), 22275#(<= ULTIMATE.start_main_~i~4 36), 22276#(<= ULTIMATE.start_main_~i~4 38), 22277#(<= ULTIMATE.start_main_~i~4 40), 22278#(<= ULTIMATE.start_main_~i~4 42), 22279#(<= ULTIMATE.start_main_~i~4 44), 22280#(<= ULTIMATE.start_main_~i~4 46), 22281#(<= ULTIMATE.start_main_~i~4 48), 22282#(<= ULTIMATE.start_main_~i~4 50), 22283#(<= ULTIMATE.start_main_~i~4 52), 22284#(<= ULTIMATE.start_main_~i~4 54), 22285#(<= ULTIMATE.start_main_~i~4 56), 22286#(<= ULTIMATE.start_main_~i~4 58), 22287#(<= ULTIMATE.start_main_~i~4 60), 22288#(<= ULTIMATE.start_main_~i~4 62), 22289#(<= ULTIMATE.start_main_~i~4 64), 22290#(<= ULTIMATE.start_main_~i~4 66), 22291#(<= ULTIMATE.start_main_~i~4 68), 22292#(<= ULTIMATE.start_main_~i~4 70), 22293#(<= ULTIMATE.start_main_~i~4 72), 22294#(<= ULTIMATE.start_main_~i~4 74), 22295#(<= ULTIMATE.start_main_~i~4 76), 22296#(<= ULTIMATE.start_main_~i~4 78), 22297#(<= ULTIMATE.start_main_~i~4 80), 22298#(<= ULTIMATE.start_main_~i~4 82), 22299#(<= ULTIMATE.start_main_~i~4 84), 22300#(<= ULTIMATE.start_main_~i~4 86), 22301#(<= ULTIMATE.start_main_~i~4 88), 22302#(<= ULTIMATE.start_main_~i~4 90), 22303#(<= ULTIMATE.start_main_~i~4 92), 22304#(<= ULTIMATE.start_main_~i~4 94), 22305#(<= ULTIMATE.start_main_~i~4 96), 22306#(<= ULTIMATE.start_main_~i~4 98), 22307#(<= ULTIMATE.start_main_~i~4 100), 22308#(<= ULTIMATE.start_main_~i~4 102), 22309#(<= ULTIMATE.start_main_~i~4 104), 22310#(<= ULTIMATE.start_main_~i~4 106), 22311#(<= ULTIMATE.start_main_~i~4 108), 22312#(<= ULTIMATE.start_main_~i~4 110), 22313#(<= ULTIMATE.start_main_~i~4 112), 22314#(<= ULTIMATE.start_main_~i~4 114), 22315#(<= ULTIMATE.start_main_~i~4 116), 22316#(<= ULTIMATE.start_main_~i~4 118), 22317#(<= ULTIMATE.start_main_~i~4 120), 22318#(<= ULTIMATE.start_main_~i~4 122), 22319#(<= ULTIMATE.start_main_~i~4 124), 22320#(<= ULTIMATE.start_main_~i~4 126), 22321#(<= ULTIMATE.start_main_~i~4 128), 22322#(<= ULTIMATE.start_main_~i~4 130), 22323#(<= ULTIMATE.start_main_~i~4 132), 22324#(<= ULTIMATE.start_main_~i~4 134), 22255#true, 22256#false, 22257#(<= ULTIMATE.start_main_~i~4 0), 22258#(<= ULTIMATE.start_main_~i~4 2), 22259#(<= ULTIMATE.start_main_~i~4 4), 22260#(<= ULTIMATE.start_main_~i~4 6), 22261#(<= ULTIMATE.start_main_~i~4 8), 22262#(<= ULTIMATE.start_main_~i~4 10), 22263#(<= ULTIMATE.start_main_~i~4 12), 22264#(<= ULTIMATE.start_main_~i~4 14), 22265#(<= ULTIMATE.start_main_~i~4 16), 22266#(<= ULTIMATE.start_main_~i~4 18), 22267#(<= ULTIMATE.start_main_~i~4 20), 22268#(<= ULTIMATE.start_main_~i~4 22), 22269#(<= ULTIMATE.start_main_~i~4 24), 22270#(<= ULTIMATE.start_main_~i~4 26), 22271#(<= ULTIMATE.start_main_~i~4 28)] [2018-07-23 13:45:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,605 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:45:05,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:45:05,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:45:05,606 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 70 states. [2018-07-23 13:45:05,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:05,691 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:45:05,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:45:05,692 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 138 [2018-07-23 13:45:05,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:05,693 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:45:05,693 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:45:05,694 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:45:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:45:05,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:45:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:45:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:45:05,699 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:45:05,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:05,700 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:45:05,700 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:45:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:45:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:45:05,702 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:05,702 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:45:05,702 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:05,702 INFO L82 PathProgramCache]: Analyzing trace with hash -890696145, now seen corresponding path program 68 times [2018-07-23 13:45:05,702 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:05,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,969 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:05,970 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:45:05,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:05,970 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 13:45:05,970 INFO L185 omatonBuilderFactory]: Interpolants [22912#(<= ULTIMATE.start_main_~i~4 34), 22913#(<= ULTIMATE.start_main_~i~4 36), 22914#(<= ULTIMATE.start_main_~i~4 38), 22915#(<= ULTIMATE.start_main_~i~4 40), 22916#(<= ULTIMATE.start_main_~i~4 42), 22917#(<= ULTIMATE.start_main_~i~4 44), 22918#(<= ULTIMATE.start_main_~i~4 46), 22919#(<= ULTIMATE.start_main_~i~4 48), 22920#(<= ULTIMATE.start_main_~i~4 50), 22921#(<= ULTIMATE.start_main_~i~4 52), 22922#(<= ULTIMATE.start_main_~i~4 54), 22923#(<= ULTIMATE.start_main_~i~4 56), 22924#(<= ULTIMATE.start_main_~i~4 58), 22925#(<= ULTIMATE.start_main_~i~4 60), 22926#(<= ULTIMATE.start_main_~i~4 62), 22927#(<= ULTIMATE.start_main_~i~4 64), 22928#(<= ULTIMATE.start_main_~i~4 66), 22929#(<= ULTIMATE.start_main_~i~4 68), 22930#(<= ULTIMATE.start_main_~i~4 70), 22931#(<= ULTIMATE.start_main_~i~4 72), 22932#(<= ULTIMATE.start_main_~i~4 74), 22933#(<= ULTIMATE.start_main_~i~4 76), 22934#(<= ULTIMATE.start_main_~i~4 78), 22935#(<= ULTIMATE.start_main_~i~4 80), 22936#(<= ULTIMATE.start_main_~i~4 82), 22937#(<= ULTIMATE.start_main_~i~4 84), 22938#(<= ULTIMATE.start_main_~i~4 86), 22939#(<= ULTIMATE.start_main_~i~4 88), 22940#(<= ULTIMATE.start_main_~i~4 90), 22941#(<= ULTIMATE.start_main_~i~4 92), 22942#(<= ULTIMATE.start_main_~i~4 94), 22943#(<= ULTIMATE.start_main_~i~4 96), 22944#(<= ULTIMATE.start_main_~i~4 98), 22945#(<= ULTIMATE.start_main_~i~4 100), 22946#(<= ULTIMATE.start_main_~i~4 102), 22947#(<= ULTIMATE.start_main_~i~4 104), 22948#(<= ULTIMATE.start_main_~i~4 106), 22949#(<= ULTIMATE.start_main_~i~4 108), 22950#(<= ULTIMATE.start_main_~i~4 110), 22951#(<= ULTIMATE.start_main_~i~4 112), 22952#(<= ULTIMATE.start_main_~i~4 114), 22953#(<= ULTIMATE.start_main_~i~4 116), 22954#(<= ULTIMATE.start_main_~i~4 118), 22955#(<= ULTIMATE.start_main_~i~4 120), 22956#(<= ULTIMATE.start_main_~i~4 122), 22957#(<= ULTIMATE.start_main_~i~4 124), 22958#(<= ULTIMATE.start_main_~i~4 126), 22959#(<= ULTIMATE.start_main_~i~4 128), 22960#(<= ULTIMATE.start_main_~i~4 130), 22961#(<= ULTIMATE.start_main_~i~4 132), 22962#(<= ULTIMATE.start_main_~i~4 134), 22963#(<= ULTIMATE.start_main_~i~4 136), 22893#true, 22894#false, 22895#(<= ULTIMATE.start_main_~i~4 0), 22896#(<= ULTIMATE.start_main_~i~4 2), 22897#(<= ULTIMATE.start_main_~i~4 4), 22898#(<= ULTIMATE.start_main_~i~4 6), 22899#(<= ULTIMATE.start_main_~i~4 8), 22900#(<= ULTIMATE.start_main_~i~4 10), 22901#(<= ULTIMATE.start_main_~i~4 12), 22902#(<= ULTIMATE.start_main_~i~4 14), 22903#(<= ULTIMATE.start_main_~i~4 16), 22904#(<= ULTIMATE.start_main_~i~4 18), 22905#(<= ULTIMATE.start_main_~i~4 20), 22906#(<= ULTIMATE.start_main_~i~4 22), 22907#(<= ULTIMATE.start_main_~i~4 24), 22908#(<= ULTIMATE.start_main_~i~4 26), 22909#(<= ULTIMATE.start_main_~i~4 28), 22910#(<= ULTIMATE.start_main_~i~4 30), 22911#(<= ULTIMATE.start_main_~i~4 32)] [2018-07-23 13:45:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,971 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:45:05,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:45:05,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:45:05,973 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 71 states. [2018-07-23 13:45:06,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:06,047 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:45:06,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:45:06,048 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 140 [2018-07-23 13:45:06,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:06,049 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:45:06,049 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:45:06,050 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:45:06,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:45:06,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:45:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:45:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:45:06,055 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:45:06,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:06,055 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:45:06,055 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:45:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:45:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:45:06,058 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:06,058 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:45:06,058 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:06,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1260451351, now seen corresponding path program 69 times [2018-07-23 13:45:06,059 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:06,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:06,339 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:06,339 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:45:06,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:06,340 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 13:45:06,340 INFO L185 omatonBuilderFactory]: Interpolants [23552#(<= ULTIMATE.start_main_~i~4 20), 23553#(<= ULTIMATE.start_main_~i~4 22), 23554#(<= ULTIMATE.start_main_~i~4 24), 23555#(<= ULTIMATE.start_main_~i~4 26), 23556#(<= ULTIMATE.start_main_~i~4 28), 23557#(<= ULTIMATE.start_main_~i~4 30), 23558#(<= ULTIMATE.start_main_~i~4 32), 23559#(<= ULTIMATE.start_main_~i~4 34), 23560#(<= ULTIMATE.start_main_~i~4 36), 23561#(<= ULTIMATE.start_main_~i~4 38), 23562#(<= ULTIMATE.start_main_~i~4 40), 23563#(<= ULTIMATE.start_main_~i~4 42), 23564#(<= ULTIMATE.start_main_~i~4 44), 23565#(<= ULTIMATE.start_main_~i~4 46), 23566#(<= ULTIMATE.start_main_~i~4 48), 23567#(<= ULTIMATE.start_main_~i~4 50), 23568#(<= ULTIMATE.start_main_~i~4 52), 23569#(<= ULTIMATE.start_main_~i~4 54), 23570#(<= ULTIMATE.start_main_~i~4 56), 23571#(<= ULTIMATE.start_main_~i~4 58), 23572#(<= ULTIMATE.start_main_~i~4 60), 23573#(<= ULTIMATE.start_main_~i~4 62), 23574#(<= ULTIMATE.start_main_~i~4 64), 23575#(<= ULTIMATE.start_main_~i~4 66), 23576#(<= ULTIMATE.start_main_~i~4 68), 23577#(<= ULTIMATE.start_main_~i~4 70), 23578#(<= ULTIMATE.start_main_~i~4 72), 23579#(<= ULTIMATE.start_main_~i~4 74), 23580#(<= ULTIMATE.start_main_~i~4 76), 23581#(<= ULTIMATE.start_main_~i~4 78), 23582#(<= ULTIMATE.start_main_~i~4 80), 23583#(<= ULTIMATE.start_main_~i~4 82), 23584#(<= ULTIMATE.start_main_~i~4 84), 23585#(<= ULTIMATE.start_main_~i~4 86), 23586#(<= ULTIMATE.start_main_~i~4 88), 23587#(<= ULTIMATE.start_main_~i~4 90), 23588#(<= ULTIMATE.start_main_~i~4 92), 23589#(<= ULTIMATE.start_main_~i~4 94), 23590#(<= ULTIMATE.start_main_~i~4 96), 23591#(<= ULTIMATE.start_main_~i~4 98), 23592#(<= ULTIMATE.start_main_~i~4 100), 23593#(<= ULTIMATE.start_main_~i~4 102), 23594#(<= ULTIMATE.start_main_~i~4 104), 23595#(<= ULTIMATE.start_main_~i~4 106), 23596#(<= ULTIMATE.start_main_~i~4 108), 23597#(<= ULTIMATE.start_main_~i~4 110), 23598#(<= ULTIMATE.start_main_~i~4 112), 23599#(<= ULTIMATE.start_main_~i~4 114), 23600#(<= ULTIMATE.start_main_~i~4 116), 23601#(<= ULTIMATE.start_main_~i~4 118), 23602#(<= ULTIMATE.start_main_~i~4 120), 23603#(<= ULTIMATE.start_main_~i~4 122), 23604#(<= ULTIMATE.start_main_~i~4 124), 23605#(<= ULTIMATE.start_main_~i~4 126), 23606#(<= ULTIMATE.start_main_~i~4 128), 23607#(<= ULTIMATE.start_main_~i~4 130), 23608#(<= ULTIMATE.start_main_~i~4 132), 23609#(<= ULTIMATE.start_main_~i~4 134), 23610#(<= ULTIMATE.start_main_~i~4 136), 23611#(<= ULTIMATE.start_main_~i~4 138), 23540#true, 23541#false, 23542#(<= ULTIMATE.start_main_~i~4 0), 23543#(<= ULTIMATE.start_main_~i~4 2), 23544#(<= ULTIMATE.start_main_~i~4 4), 23545#(<= ULTIMATE.start_main_~i~4 6), 23546#(<= ULTIMATE.start_main_~i~4 8), 23547#(<= ULTIMATE.start_main_~i~4 10), 23548#(<= ULTIMATE.start_main_~i~4 12), 23549#(<= ULTIMATE.start_main_~i~4 14), 23550#(<= ULTIMATE.start_main_~i~4 16), 23551#(<= ULTIMATE.start_main_~i~4 18)] [2018-07-23 13:45:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:06,341 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:45:06,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:45:06,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:45:06,343 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 72 states. [2018-07-23 13:45:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:06,438 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:45:06,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:45:06,438 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 142 [2018-07-23 13:45:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:06,440 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:45:06,440 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:45:06,441 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:45:06,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:45:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:45:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:45:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:45:06,446 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:45:06,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:06,446 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:45:06,447 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:45:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:45:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:45:06,448 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:06,448 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:45:06,448 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:06,449 INFO L82 PathProgramCache]: Analyzing trace with hash -112918749, now seen corresponding path program 70 times [2018-07-23 13:45:06,449 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:06,735 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:06,735 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:45:06,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:06,736 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 13:45:06,736 INFO L185 omatonBuilderFactory]: Interpolants [24196#true, 24197#false, 24198#(<= ULTIMATE.start_main_~i~4 0), 24199#(<= ULTIMATE.start_main_~i~4 2), 24200#(<= ULTIMATE.start_main_~i~4 4), 24201#(<= ULTIMATE.start_main_~i~4 6), 24202#(<= ULTIMATE.start_main_~i~4 8), 24203#(<= ULTIMATE.start_main_~i~4 10), 24204#(<= ULTIMATE.start_main_~i~4 12), 24205#(<= ULTIMATE.start_main_~i~4 14), 24206#(<= ULTIMATE.start_main_~i~4 16), 24207#(<= ULTIMATE.start_main_~i~4 18), 24208#(<= ULTIMATE.start_main_~i~4 20), 24209#(<= ULTIMATE.start_main_~i~4 22), 24210#(<= ULTIMATE.start_main_~i~4 24), 24211#(<= ULTIMATE.start_main_~i~4 26), 24212#(<= ULTIMATE.start_main_~i~4 28), 24213#(<= ULTIMATE.start_main_~i~4 30), 24214#(<= ULTIMATE.start_main_~i~4 32), 24215#(<= ULTIMATE.start_main_~i~4 34), 24216#(<= ULTIMATE.start_main_~i~4 36), 24217#(<= ULTIMATE.start_main_~i~4 38), 24218#(<= ULTIMATE.start_main_~i~4 40), 24219#(<= ULTIMATE.start_main_~i~4 42), 24220#(<= ULTIMATE.start_main_~i~4 44), 24221#(<= ULTIMATE.start_main_~i~4 46), 24222#(<= ULTIMATE.start_main_~i~4 48), 24223#(<= ULTIMATE.start_main_~i~4 50), 24224#(<= ULTIMATE.start_main_~i~4 52), 24225#(<= ULTIMATE.start_main_~i~4 54), 24226#(<= ULTIMATE.start_main_~i~4 56), 24227#(<= ULTIMATE.start_main_~i~4 58), 24228#(<= ULTIMATE.start_main_~i~4 60), 24229#(<= ULTIMATE.start_main_~i~4 62), 24230#(<= ULTIMATE.start_main_~i~4 64), 24231#(<= ULTIMATE.start_main_~i~4 66), 24232#(<= ULTIMATE.start_main_~i~4 68), 24233#(<= ULTIMATE.start_main_~i~4 70), 24234#(<= ULTIMATE.start_main_~i~4 72), 24235#(<= ULTIMATE.start_main_~i~4 74), 24236#(<= ULTIMATE.start_main_~i~4 76), 24237#(<= ULTIMATE.start_main_~i~4 78), 24238#(<= ULTIMATE.start_main_~i~4 80), 24239#(<= ULTIMATE.start_main_~i~4 82), 24240#(<= ULTIMATE.start_main_~i~4 84), 24241#(<= ULTIMATE.start_main_~i~4 86), 24242#(<= ULTIMATE.start_main_~i~4 88), 24243#(<= ULTIMATE.start_main_~i~4 90), 24244#(<= ULTIMATE.start_main_~i~4 92), 24245#(<= ULTIMATE.start_main_~i~4 94), 24246#(<= ULTIMATE.start_main_~i~4 96), 24247#(<= ULTIMATE.start_main_~i~4 98), 24248#(<= ULTIMATE.start_main_~i~4 100), 24249#(<= ULTIMATE.start_main_~i~4 102), 24250#(<= ULTIMATE.start_main_~i~4 104), 24251#(<= ULTIMATE.start_main_~i~4 106), 24252#(<= ULTIMATE.start_main_~i~4 108), 24253#(<= ULTIMATE.start_main_~i~4 110), 24254#(<= ULTIMATE.start_main_~i~4 112), 24255#(<= ULTIMATE.start_main_~i~4 114), 24256#(<= ULTIMATE.start_main_~i~4 116), 24257#(<= ULTIMATE.start_main_~i~4 118), 24258#(<= ULTIMATE.start_main_~i~4 120), 24259#(<= ULTIMATE.start_main_~i~4 122), 24260#(<= ULTIMATE.start_main_~i~4 124), 24261#(<= ULTIMATE.start_main_~i~4 126), 24262#(<= ULTIMATE.start_main_~i~4 128), 24263#(<= ULTIMATE.start_main_~i~4 130), 24264#(<= ULTIMATE.start_main_~i~4 132), 24265#(<= ULTIMATE.start_main_~i~4 134), 24266#(<= ULTIMATE.start_main_~i~4 136), 24267#(<= ULTIMATE.start_main_~i~4 138), 24268#(<= ULTIMATE.start_main_~i~4 140)] [2018-07-23 13:45:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:06,737 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:45:06,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:45:06,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:45:06,739 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 73 states. [2018-07-23 13:45:06,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:06,850 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:45:06,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:45:06,850 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 144 [2018-07-23 13:45:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:06,851 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:45:06,852 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:45:06,852 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:45:06,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:45:06,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:45:06,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:45:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:45:06,858 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:45:06,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:06,859 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:45:06,859 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:45:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:45:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:45:06,860 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:06,860 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:45:06,860 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:06,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1140683299, now seen corresponding path program 71 times [2018-07-23 13:45:06,861 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,125 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:07,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:45:07,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,126 INFO L185 omatonBuilderFactory]: Interpolants [24861#true, 24862#false, 24863#(<= ULTIMATE.start_main_~i~4 0), 24864#(<= ULTIMATE.start_main_~i~4 2), 24865#(<= ULTIMATE.start_main_~i~4 4), 24866#(<= ULTIMATE.start_main_~i~4 6), 24867#(<= ULTIMATE.start_main_~i~4 8), 24868#(<= ULTIMATE.start_main_~i~4 10), 24869#(<= ULTIMATE.start_main_~i~4 12), 24870#(<= ULTIMATE.start_main_~i~4 14), 24871#(<= ULTIMATE.start_main_~i~4 16), 24872#(<= ULTIMATE.start_main_~i~4 18), 24873#(<= ULTIMATE.start_main_~i~4 20), 24874#(<= ULTIMATE.start_main_~i~4 22), 24875#(<= ULTIMATE.start_main_~i~4 24), 24876#(<= ULTIMATE.start_main_~i~4 26), 24877#(<= ULTIMATE.start_main_~i~4 28), 24878#(<= ULTIMATE.start_main_~i~4 30), 24879#(<= ULTIMATE.start_main_~i~4 32), 24880#(<= ULTIMATE.start_main_~i~4 34), 24881#(<= ULTIMATE.start_main_~i~4 36), 24882#(<= ULTIMATE.start_main_~i~4 38), 24883#(<= ULTIMATE.start_main_~i~4 40), 24884#(<= ULTIMATE.start_main_~i~4 42), 24885#(<= ULTIMATE.start_main_~i~4 44), 24886#(<= ULTIMATE.start_main_~i~4 46), 24887#(<= ULTIMATE.start_main_~i~4 48), 24888#(<= ULTIMATE.start_main_~i~4 50), 24889#(<= ULTIMATE.start_main_~i~4 52), 24890#(<= ULTIMATE.start_main_~i~4 54), 24891#(<= ULTIMATE.start_main_~i~4 56), 24892#(<= ULTIMATE.start_main_~i~4 58), 24893#(<= ULTIMATE.start_main_~i~4 60), 24894#(<= ULTIMATE.start_main_~i~4 62), 24895#(<= ULTIMATE.start_main_~i~4 64), 24896#(<= ULTIMATE.start_main_~i~4 66), 24897#(<= ULTIMATE.start_main_~i~4 68), 24898#(<= ULTIMATE.start_main_~i~4 70), 24899#(<= ULTIMATE.start_main_~i~4 72), 24900#(<= ULTIMATE.start_main_~i~4 74), 24901#(<= ULTIMATE.start_main_~i~4 76), 24902#(<= ULTIMATE.start_main_~i~4 78), 24903#(<= ULTIMATE.start_main_~i~4 80), 24904#(<= ULTIMATE.start_main_~i~4 82), 24905#(<= ULTIMATE.start_main_~i~4 84), 24906#(<= ULTIMATE.start_main_~i~4 86), 24907#(<= ULTIMATE.start_main_~i~4 88), 24908#(<= ULTIMATE.start_main_~i~4 90), 24909#(<= ULTIMATE.start_main_~i~4 92), 24910#(<= ULTIMATE.start_main_~i~4 94), 24911#(<= ULTIMATE.start_main_~i~4 96), 24912#(<= ULTIMATE.start_main_~i~4 98), 24913#(<= ULTIMATE.start_main_~i~4 100), 24914#(<= ULTIMATE.start_main_~i~4 102), 24915#(<= ULTIMATE.start_main_~i~4 104), 24916#(<= ULTIMATE.start_main_~i~4 106), 24917#(<= ULTIMATE.start_main_~i~4 108), 24918#(<= ULTIMATE.start_main_~i~4 110), 24919#(<= ULTIMATE.start_main_~i~4 112), 24920#(<= ULTIMATE.start_main_~i~4 114), 24921#(<= ULTIMATE.start_main_~i~4 116), 24922#(<= ULTIMATE.start_main_~i~4 118), 24923#(<= ULTIMATE.start_main_~i~4 120), 24924#(<= ULTIMATE.start_main_~i~4 122), 24925#(<= ULTIMATE.start_main_~i~4 124), 24926#(<= ULTIMATE.start_main_~i~4 126), 24927#(<= ULTIMATE.start_main_~i~4 128), 24928#(<= ULTIMATE.start_main_~i~4 130), 24929#(<= ULTIMATE.start_main_~i~4 132), 24930#(<= ULTIMATE.start_main_~i~4 134), 24931#(<= ULTIMATE.start_main_~i~4 136), 24932#(<= ULTIMATE.start_main_~i~4 138), 24933#(<= ULTIMATE.start_main_~i~4 140), 24934#(<= ULTIMATE.start_main_~i~4 142)] [2018-07-23 13:45:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:45:07,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:45:07,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:45:07,128 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 74 states. [2018-07-23 13:45:07,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:07,214 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:45:07,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:45:07,214 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 146 [2018-07-23 13:45:07,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:07,215 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:45:07,215 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:45:07,216 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:45:07,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:45:07,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:45:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:45:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:45:07,222 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:45:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:07,222 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:45:07,222 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:45:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:45:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:45:07,224 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:07,224 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:45:07,224 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:07,224 INFO L82 PathProgramCache]: Analyzing trace with hash -979937769, now seen corresponding path program 72 times [2018-07-23 13:45:07,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,581 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:07,581 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:45:07,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:07,582 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 13:45:07,582 INFO L185 omatonBuilderFactory]: Interpolants [25600#(<= ULTIMATE.start_main_~i~4 126), 25601#(<= ULTIMATE.start_main_~i~4 128), 25602#(<= ULTIMATE.start_main_~i~4 130), 25603#(<= ULTIMATE.start_main_~i~4 132), 25604#(<= ULTIMATE.start_main_~i~4 134), 25605#(<= ULTIMATE.start_main_~i~4 136), 25606#(<= ULTIMATE.start_main_~i~4 138), 25607#(<= ULTIMATE.start_main_~i~4 140), 25608#(<= ULTIMATE.start_main_~i~4 142), 25609#(<= ULTIMATE.start_main_~i~4 144), 25535#true, 25536#false, 25537#(<= ULTIMATE.start_main_~i~4 0), 25538#(<= ULTIMATE.start_main_~i~4 2), 25539#(<= ULTIMATE.start_main_~i~4 4), 25540#(<= ULTIMATE.start_main_~i~4 6), 25541#(<= ULTIMATE.start_main_~i~4 8), 25542#(<= ULTIMATE.start_main_~i~4 10), 25543#(<= ULTIMATE.start_main_~i~4 12), 25544#(<= ULTIMATE.start_main_~i~4 14), 25545#(<= ULTIMATE.start_main_~i~4 16), 25546#(<= ULTIMATE.start_main_~i~4 18), 25547#(<= ULTIMATE.start_main_~i~4 20), 25548#(<= ULTIMATE.start_main_~i~4 22), 25549#(<= ULTIMATE.start_main_~i~4 24), 25550#(<= ULTIMATE.start_main_~i~4 26), 25551#(<= ULTIMATE.start_main_~i~4 28), 25552#(<= ULTIMATE.start_main_~i~4 30), 25553#(<= ULTIMATE.start_main_~i~4 32), 25554#(<= ULTIMATE.start_main_~i~4 34), 25555#(<= ULTIMATE.start_main_~i~4 36), 25556#(<= ULTIMATE.start_main_~i~4 38), 25557#(<= ULTIMATE.start_main_~i~4 40), 25558#(<= ULTIMATE.start_main_~i~4 42), 25559#(<= ULTIMATE.start_main_~i~4 44), 25560#(<= ULTIMATE.start_main_~i~4 46), 25561#(<= ULTIMATE.start_main_~i~4 48), 25562#(<= ULTIMATE.start_main_~i~4 50), 25563#(<= ULTIMATE.start_main_~i~4 52), 25564#(<= ULTIMATE.start_main_~i~4 54), 25565#(<= ULTIMATE.start_main_~i~4 56), 25566#(<= ULTIMATE.start_main_~i~4 58), 25567#(<= ULTIMATE.start_main_~i~4 60), 25568#(<= ULTIMATE.start_main_~i~4 62), 25569#(<= ULTIMATE.start_main_~i~4 64), 25570#(<= ULTIMATE.start_main_~i~4 66), 25571#(<= ULTIMATE.start_main_~i~4 68), 25572#(<= ULTIMATE.start_main_~i~4 70), 25573#(<= ULTIMATE.start_main_~i~4 72), 25574#(<= ULTIMATE.start_main_~i~4 74), 25575#(<= ULTIMATE.start_main_~i~4 76), 25576#(<= ULTIMATE.start_main_~i~4 78), 25577#(<= ULTIMATE.start_main_~i~4 80), 25578#(<= ULTIMATE.start_main_~i~4 82), 25579#(<= ULTIMATE.start_main_~i~4 84), 25580#(<= ULTIMATE.start_main_~i~4 86), 25581#(<= ULTIMATE.start_main_~i~4 88), 25582#(<= ULTIMATE.start_main_~i~4 90), 25583#(<= ULTIMATE.start_main_~i~4 92), 25584#(<= ULTIMATE.start_main_~i~4 94), 25585#(<= ULTIMATE.start_main_~i~4 96), 25586#(<= ULTIMATE.start_main_~i~4 98), 25587#(<= ULTIMATE.start_main_~i~4 100), 25588#(<= ULTIMATE.start_main_~i~4 102), 25589#(<= ULTIMATE.start_main_~i~4 104), 25590#(<= ULTIMATE.start_main_~i~4 106), 25591#(<= ULTIMATE.start_main_~i~4 108), 25592#(<= ULTIMATE.start_main_~i~4 110), 25593#(<= ULTIMATE.start_main_~i~4 112), 25594#(<= ULTIMATE.start_main_~i~4 114), 25595#(<= ULTIMATE.start_main_~i~4 116), 25596#(<= ULTIMATE.start_main_~i~4 118), 25597#(<= ULTIMATE.start_main_~i~4 120), 25598#(<= ULTIMATE.start_main_~i~4 122), 25599#(<= ULTIMATE.start_main_~i~4 124)] [2018-07-23 13:45:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:45:07,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:45:07,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:45:07,585 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 75 states. [2018-07-23 13:45:07,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:07,653 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:45:07,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:45:07,653 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 148 [2018-07-23 13:45:07,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:07,654 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:45:07,654 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:45:07,655 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:45:07,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:45:07,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:45:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:45:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:45:07,660 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:45:07,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:07,661 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:45:07,661 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:45:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:45:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:45:07,662 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:07,662 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:45:07,662 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:07,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1122306095, now seen corresponding path program 73 times [2018-07-23 13:45:07,663 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,912 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:07,913 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:45:07,913 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,913 INFO L185 omatonBuilderFactory]: Interpolants [26240#(<= ULTIMATE.start_main_~i~4 40), 26241#(<= ULTIMATE.start_main_~i~4 42), 26242#(<= ULTIMATE.start_main_~i~4 44), 26243#(<= ULTIMATE.start_main_~i~4 46), 26244#(<= ULTIMATE.start_main_~i~4 48), 26245#(<= ULTIMATE.start_main_~i~4 50), 26246#(<= ULTIMATE.start_main_~i~4 52), 26247#(<= ULTIMATE.start_main_~i~4 54), 26248#(<= ULTIMATE.start_main_~i~4 56), 26249#(<= ULTIMATE.start_main_~i~4 58), 26250#(<= ULTIMATE.start_main_~i~4 60), 26251#(<= ULTIMATE.start_main_~i~4 62), 26252#(<= ULTIMATE.start_main_~i~4 64), 26253#(<= ULTIMATE.start_main_~i~4 66), 26254#(<= ULTIMATE.start_main_~i~4 68), 26255#(<= ULTIMATE.start_main_~i~4 70), 26256#(<= ULTIMATE.start_main_~i~4 72), 26257#(<= ULTIMATE.start_main_~i~4 74), 26258#(<= ULTIMATE.start_main_~i~4 76), 26259#(<= ULTIMATE.start_main_~i~4 78), 26260#(<= ULTIMATE.start_main_~i~4 80), 26261#(<= ULTIMATE.start_main_~i~4 82), 26262#(<= ULTIMATE.start_main_~i~4 84), 26263#(<= ULTIMATE.start_main_~i~4 86), 26264#(<= ULTIMATE.start_main_~i~4 88), 26265#(<= ULTIMATE.start_main_~i~4 90), 26266#(<= ULTIMATE.start_main_~i~4 92), 26267#(<= ULTIMATE.start_main_~i~4 94), 26268#(<= ULTIMATE.start_main_~i~4 96), 26269#(<= ULTIMATE.start_main_~i~4 98), 26270#(<= ULTIMATE.start_main_~i~4 100), 26271#(<= ULTIMATE.start_main_~i~4 102), 26272#(<= ULTIMATE.start_main_~i~4 104), 26273#(<= ULTIMATE.start_main_~i~4 106), 26274#(<= ULTIMATE.start_main_~i~4 108), 26275#(<= ULTIMATE.start_main_~i~4 110), 26276#(<= ULTIMATE.start_main_~i~4 112), 26277#(<= ULTIMATE.start_main_~i~4 114), 26278#(<= ULTIMATE.start_main_~i~4 116), 26279#(<= ULTIMATE.start_main_~i~4 118), 26280#(<= ULTIMATE.start_main_~i~4 120), 26281#(<= ULTIMATE.start_main_~i~4 122), 26282#(<= ULTIMATE.start_main_~i~4 124), 26283#(<= ULTIMATE.start_main_~i~4 126), 26284#(<= ULTIMATE.start_main_~i~4 128), 26285#(<= ULTIMATE.start_main_~i~4 130), 26286#(<= ULTIMATE.start_main_~i~4 132), 26287#(<= ULTIMATE.start_main_~i~4 134), 26288#(<= ULTIMATE.start_main_~i~4 136), 26289#(<= ULTIMATE.start_main_~i~4 138), 26290#(<= ULTIMATE.start_main_~i~4 140), 26291#(<= ULTIMATE.start_main_~i~4 142), 26292#(<= ULTIMATE.start_main_~i~4 144), 26293#(<= ULTIMATE.start_main_~i~4 146), 26218#true, 26219#false, 26220#(<= ULTIMATE.start_main_~i~4 0), 26221#(<= ULTIMATE.start_main_~i~4 2), 26222#(<= ULTIMATE.start_main_~i~4 4), 26223#(<= ULTIMATE.start_main_~i~4 6), 26224#(<= ULTIMATE.start_main_~i~4 8), 26225#(<= ULTIMATE.start_main_~i~4 10), 26226#(<= ULTIMATE.start_main_~i~4 12), 26227#(<= ULTIMATE.start_main_~i~4 14), 26228#(<= ULTIMATE.start_main_~i~4 16), 26229#(<= ULTIMATE.start_main_~i~4 18), 26230#(<= ULTIMATE.start_main_~i~4 20), 26231#(<= ULTIMATE.start_main_~i~4 22), 26232#(<= ULTIMATE.start_main_~i~4 24), 26233#(<= ULTIMATE.start_main_~i~4 26), 26234#(<= ULTIMATE.start_main_~i~4 28), 26235#(<= ULTIMATE.start_main_~i~4 30), 26236#(<= ULTIMATE.start_main_~i~4 32), 26237#(<= ULTIMATE.start_main_~i~4 34), 26238#(<= ULTIMATE.start_main_~i~4 36), 26239#(<= ULTIMATE.start_main_~i~4 38)] [2018-07-23 13:45:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,915 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:45:07,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:45:07,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:45:07,916 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 76 states. [2018-07-23 13:45:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:08,000 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:45:08,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:45:08,000 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 150 [2018-07-23 13:45:08,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:08,001 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:45:08,002 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:45:08,002 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:45:08,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:45:08,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:45:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:45:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:45:08,008 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:45:08,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:08,008 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:45:08,008 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:45:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:45:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:45:08,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,010 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:45:08,010 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,010 INFO L82 PathProgramCache]: Analyzing trace with hash -499313909, now seen corresponding path program 74 times [2018-07-23 13:45:08,010 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,272 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:08,272 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:45:08,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,273 INFO L185 omatonBuilderFactory]: Interpolants [26910#true, 26911#false, 26912#(<= ULTIMATE.start_main_~i~4 0), 26913#(<= ULTIMATE.start_main_~i~4 2), 26914#(<= ULTIMATE.start_main_~i~4 4), 26915#(<= ULTIMATE.start_main_~i~4 6), 26916#(<= ULTIMATE.start_main_~i~4 8), 26917#(<= ULTIMATE.start_main_~i~4 10), 26918#(<= ULTIMATE.start_main_~i~4 12), 26919#(<= ULTIMATE.start_main_~i~4 14), 26920#(<= ULTIMATE.start_main_~i~4 16), 26921#(<= ULTIMATE.start_main_~i~4 18), 26922#(<= ULTIMATE.start_main_~i~4 20), 26923#(<= ULTIMATE.start_main_~i~4 22), 26924#(<= ULTIMATE.start_main_~i~4 24), 26925#(<= ULTIMATE.start_main_~i~4 26), 26926#(<= ULTIMATE.start_main_~i~4 28), 26927#(<= ULTIMATE.start_main_~i~4 30), 26928#(<= ULTIMATE.start_main_~i~4 32), 26929#(<= ULTIMATE.start_main_~i~4 34), 26930#(<= ULTIMATE.start_main_~i~4 36), 26931#(<= ULTIMATE.start_main_~i~4 38), 26932#(<= ULTIMATE.start_main_~i~4 40), 26933#(<= ULTIMATE.start_main_~i~4 42), 26934#(<= ULTIMATE.start_main_~i~4 44), 26935#(<= ULTIMATE.start_main_~i~4 46), 26936#(<= ULTIMATE.start_main_~i~4 48), 26937#(<= ULTIMATE.start_main_~i~4 50), 26938#(<= ULTIMATE.start_main_~i~4 52), 26939#(<= ULTIMATE.start_main_~i~4 54), 26940#(<= ULTIMATE.start_main_~i~4 56), 26941#(<= ULTIMATE.start_main_~i~4 58), 26942#(<= ULTIMATE.start_main_~i~4 60), 26943#(<= ULTIMATE.start_main_~i~4 62), 26944#(<= ULTIMATE.start_main_~i~4 64), 26945#(<= ULTIMATE.start_main_~i~4 66), 26946#(<= ULTIMATE.start_main_~i~4 68), 26947#(<= ULTIMATE.start_main_~i~4 70), 26948#(<= ULTIMATE.start_main_~i~4 72), 26949#(<= ULTIMATE.start_main_~i~4 74), 26950#(<= ULTIMATE.start_main_~i~4 76), 26951#(<= ULTIMATE.start_main_~i~4 78), 26952#(<= ULTIMATE.start_main_~i~4 80), 26953#(<= ULTIMATE.start_main_~i~4 82), 26954#(<= ULTIMATE.start_main_~i~4 84), 26955#(<= ULTIMATE.start_main_~i~4 86), 26956#(<= ULTIMATE.start_main_~i~4 88), 26957#(<= ULTIMATE.start_main_~i~4 90), 26958#(<= ULTIMATE.start_main_~i~4 92), 26959#(<= ULTIMATE.start_main_~i~4 94), 26960#(<= ULTIMATE.start_main_~i~4 96), 26961#(<= ULTIMATE.start_main_~i~4 98), 26962#(<= ULTIMATE.start_main_~i~4 100), 26963#(<= ULTIMATE.start_main_~i~4 102), 26964#(<= ULTIMATE.start_main_~i~4 104), 26965#(<= ULTIMATE.start_main_~i~4 106), 26966#(<= ULTIMATE.start_main_~i~4 108), 26967#(<= ULTIMATE.start_main_~i~4 110), 26968#(<= ULTIMATE.start_main_~i~4 112), 26969#(<= ULTIMATE.start_main_~i~4 114), 26970#(<= ULTIMATE.start_main_~i~4 116), 26971#(<= ULTIMATE.start_main_~i~4 118), 26972#(<= ULTIMATE.start_main_~i~4 120), 26973#(<= ULTIMATE.start_main_~i~4 122), 26974#(<= ULTIMATE.start_main_~i~4 124), 26975#(<= ULTIMATE.start_main_~i~4 126), 26976#(<= ULTIMATE.start_main_~i~4 128), 26977#(<= ULTIMATE.start_main_~i~4 130), 26978#(<= ULTIMATE.start_main_~i~4 132), 26979#(<= ULTIMATE.start_main_~i~4 134), 26980#(<= ULTIMATE.start_main_~i~4 136), 26981#(<= ULTIMATE.start_main_~i~4 138), 26982#(<= ULTIMATE.start_main_~i~4 140), 26983#(<= ULTIMATE.start_main_~i~4 142), 26984#(<= ULTIMATE.start_main_~i~4 144), 26985#(<= ULTIMATE.start_main_~i~4 146), 26986#(<= ULTIMATE.start_main_~i~4 148)] [2018-07-23 13:45:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:45:08,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:45:08,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:45:08,276 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 77 states. [2018-07-23 13:45:08,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:08,393 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:45:08,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:45:08,393 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 152 [2018-07-23 13:45:08,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:08,394 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:45:08,395 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:45:08,395 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:45:08,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:45:08,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:45:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:45:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:45:08,400 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:45:08,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:08,401 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:45:08,401 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:45:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:45:08,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:45:08,403 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,403 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:45:08,403 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1195722693, now seen corresponding path program 75 times [2018-07-23 13:45:08,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,655 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:08,655 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:45:08,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,656 INFO L185 omatonBuilderFactory]: Interpolants [27648#(<= ULTIMATE.start_main_~i~4 70), 27649#(<= ULTIMATE.start_main_~i~4 72), 27650#(<= ULTIMATE.start_main_~i~4 74), 27651#(<= ULTIMATE.start_main_~i~4 76), 27652#(<= ULTIMATE.start_main_~i~4 78), 27653#(<= ULTIMATE.start_main_~i~4 80), 27654#(<= ULTIMATE.start_main_~i~4 82), 27655#(<= ULTIMATE.start_main_~i~4 84), 27656#(<= ULTIMATE.start_main_~i~4 86), 27657#(<= ULTIMATE.start_main_~i~4 88), 27658#(<= ULTIMATE.start_main_~i~4 90), 27659#(<= ULTIMATE.start_main_~i~4 92), 27660#(<= ULTIMATE.start_main_~i~4 94), 27661#(<= ULTIMATE.start_main_~i~4 96), 27662#(<= ULTIMATE.start_main_~i~4 98), 27663#(<= ULTIMATE.start_main_~i~4 100), 27664#(<= ULTIMATE.start_main_~i~4 102), 27665#(<= ULTIMATE.start_main_~i~4 104), 27666#(<= ULTIMATE.start_main_~i~4 106), 27667#(<= ULTIMATE.start_main_~i~4 108), 27668#(<= ULTIMATE.start_main_~i~4 110), 27669#(<= ULTIMATE.start_main_~i~4 112), 27670#(<= ULTIMATE.start_main_~i~4 114), 27671#(<= ULTIMATE.start_main_~i~4 116), 27672#(<= ULTIMATE.start_main_~i~4 118), 27673#(<= ULTIMATE.start_main_~i~4 120), 27674#(<= ULTIMATE.start_main_~i~4 122), 27675#(<= ULTIMATE.start_main_~i~4 124), 27676#(<= ULTIMATE.start_main_~i~4 126), 27677#(<= ULTIMATE.start_main_~i~4 128), 27678#(<= ULTIMATE.start_main_~i~4 130), 27679#(<= ULTIMATE.start_main_~i~4 132), 27680#(<= ULTIMATE.start_main_~i~4 134), 27681#(<= ULTIMATE.start_main_~i~4 136), 27682#(<= ULTIMATE.start_main_~i~4 138), 27683#(<= ULTIMATE.start_main_~i~4 140), 27684#(<= ULTIMATE.start_main_~i~4 142), 27685#(<= ULTIMATE.start_main_~i~4 144), 27686#(<= ULTIMATE.start_main_~i~4 146), 27687#(<= ULTIMATE.start_main_~i~4 148), 27688#(<= ULTIMATE.start_main_~i~4 150), 27611#true, 27612#false, 27613#(<= ULTIMATE.start_main_~i~4 0), 27614#(<= ULTIMATE.start_main_~i~4 2), 27615#(<= ULTIMATE.start_main_~i~4 4), 27616#(<= ULTIMATE.start_main_~i~4 6), 27617#(<= ULTIMATE.start_main_~i~4 8), 27618#(<= ULTIMATE.start_main_~i~4 10), 27619#(<= ULTIMATE.start_main_~i~4 12), 27620#(<= ULTIMATE.start_main_~i~4 14), 27621#(<= ULTIMATE.start_main_~i~4 16), 27622#(<= ULTIMATE.start_main_~i~4 18), 27623#(<= ULTIMATE.start_main_~i~4 20), 27624#(<= ULTIMATE.start_main_~i~4 22), 27625#(<= ULTIMATE.start_main_~i~4 24), 27626#(<= ULTIMATE.start_main_~i~4 26), 27627#(<= ULTIMATE.start_main_~i~4 28), 27628#(<= ULTIMATE.start_main_~i~4 30), 27629#(<= ULTIMATE.start_main_~i~4 32), 27630#(<= ULTIMATE.start_main_~i~4 34), 27631#(<= ULTIMATE.start_main_~i~4 36), 27632#(<= ULTIMATE.start_main_~i~4 38), 27633#(<= ULTIMATE.start_main_~i~4 40), 27634#(<= ULTIMATE.start_main_~i~4 42), 27635#(<= ULTIMATE.start_main_~i~4 44), 27636#(<= ULTIMATE.start_main_~i~4 46), 27637#(<= ULTIMATE.start_main_~i~4 48), 27638#(<= ULTIMATE.start_main_~i~4 50), 27639#(<= ULTIMATE.start_main_~i~4 52), 27640#(<= ULTIMATE.start_main_~i~4 54), 27641#(<= ULTIMATE.start_main_~i~4 56), 27642#(<= ULTIMATE.start_main_~i~4 58), 27643#(<= ULTIMATE.start_main_~i~4 60), 27644#(<= ULTIMATE.start_main_~i~4 62), 27645#(<= ULTIMATE.start_main_~i~4 64), 27646#(<= ULTIMATE.start_main_~i~4 66), 27647#(<= ULTIMATE.start_main_~i~4 68)] [2018-07-23 13:45:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,657 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:45:08,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:45:08,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:45:08,659 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 78 states. [2018-07-23 13:45:08,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:08,720 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:45:08,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:45:08,720 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 154 [2018-07-23 13:45:08,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:08,722 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:45:08,722 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:45:08,723 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:45:08,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:45:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:45:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:45:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:45:08,729 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:45:08,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:08,730 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:45:08,730 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:45:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:45:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:45:08,731 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,732 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:45:08,732 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1961675265, now seen corresponding path program 76 times [2018-07-23 13:45:08,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,997 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:08,997 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:45:08,997 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:08,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,998 INFO L185 omatonBuilderFactory]: Interpolants [28321#true, 28322#false, 28323#(<= ULTIMATE.start_main_~i~4 0), 28324#(<= ULTIMATE.start_main_~i~4 2), 28325#(<= ULTIMATE.start_main_~i~4 4), 28326#(<= ULTIMATE.start_main_~i~4 6), 28327#(<= ULTIMATE.start_main_~i~4 8), 28328#(<= ULTIMATE.start_main_~i~4 10), 28329#(<= ULTIMATE.start_main_~i~4 12), 28330#(<= ULTIMATE.start_main_~i~4 14), 28331#(<= ULTIMATE.start_main_~i~4 16), 28332#(<= ULTIMATE.start_main_~i~4 18), 28333#(<= ULTIMATE.start_main_~i~4 20), 28334#(<= ULTIMATE.start_main_~i~4 22), 28335#(<= ULTIMATE.start_main_~i~4 24), 28336#(<= ULTIMATE.start_main_~i~4 26), 28337#(<= ULTIMATE.start_main_~i~4 28), 28338#(<= ULTIMATE.start_main_~i~4 30), 28339#(<= ULTIMATE.start_main_~i~4 32), 28340#(<= ULTIMATE.start_main_~i~4 34), 28341#(<= ULTIMATE.start_main_~i~4 36), 28342#(<= ULTIMATE.start_main_~i~4 38), 28343#(<= ULTIMATE.start_main_~i~4 40), 28344#(<= ULTIMATE.start_main_~i~4 42), 28345#(<= ULTIMATE.start_main_~i~4 44), 28346#(<= ULTIMATE.start_main_~i~4 46), 28347#(<= ULTIMATE.start_main_~i~4 48), 28348#(<= ULTIMATE.start_main_~i~4 50), 28349#(<= ULTIMATE.start_main_~i~4 52), 28350#(<= ULTIMATE.start_main_~i~4 54), 28351#(<= ULTIMATE.start_main_~i~4 56), 28352#(<= ULTIMATE.start_main_~i~4 58), 28353#(<= ULTIMATE.start_main_~i~4 60), 28354#(<= ULTIMATE.start_main_~i~4 62), 28355#(<= ULTIMATE.start_main_~i~4 64), 28356#(<= ULTIMATE.start_main_~i~4 66), 28357#(<= ULTIMATE.start_main_~i~4 68), 28358#(<= ULTIMATE.start_main_~i~4 70), 28359#(<= ULTIMATE.start_main_~i~4 72), 28360#(<= ULTIMATE.start_main_~i~4 74), 28361#(<= ULTIMATE.start_main_~i~4 76), 28362#(<= ULTIMATE.start_main_~i~4 78), 28363#(<= ULTIMATE.start_main_~i~4 80), 28364#(<= ULTIMATE.start_main_~i~4 82), 28365#(<= ULTIMATE.start_main_~i~4 84), 28366#(<= ULTIMATE.start_main_~i~4 86), 28367#(<= ULTIMATE.start_main_~i~4 88), 28368#(<= ULTIMATE.start_main_~i~4 90), 28369#(<= ULTIMATE.start_main_~i~4 92), 28370#(<= ULTIMATE.start_main_~i~4 94), 28371#(<= ULTIMATE.start_main_~i~4 96), 28372#(<= ULTIMATE.start_main_~i~4 98), 28373#(<= ULTIMATE.start_main_~i~4 100), 28374#(<= ULTIMATE.start_main_~i~4 102), 28375#(<= ULTIMATE.start_main_~i~4 104), 28376#(<= ULTIMATE.start_main_~i~4 106), 28377#(<= ULTIMATE.start_main_~i~4 108), 28378#(<= ULTIMATE.start_main_~i~4 110), 28379#(<= ULTIMATE.start_main_~i~4 112), 28380#(<= ULTIMATE.start_main_~i~4 114), 28381#(<= ULTIMATE.start_main_~i~4 116), 28382#(<= ULTIMATE.start_main_~i~4 118), 28383#(<= ULTIMATE.start_main_~i~4 120), 28384#(<= ULTIMATE.start_main_~i~4 122), 28385#(<= ULTIMATE.start_main_~i~4 124), 28386#(<= ULTIMATE.start_main_~i~4 126), 28387#(<= ULTIMATE.start_main_~i~4 128), 28388#(<= ULTIMATE.start_main_~i~4 130), 28389#(<= ULTIMATE.start_main_~i~4 132), 28390#(<= ULTIMATE.start_main_~i~4 134), 28391#(<= ULTIMATE.start_main_~i~4 136), 28392#(<= ULTIMATE.start_main_~i~4 138), 28393#(<= ULTIMATE.start_main_~i~4 140), 28394#(<= ULTIMATE.start_main_~i~4 142), 28395#(<= ULTIMATE.start_main_~i~4 144), 28396#(<= ULTIMATE.start_main_~i~4 146), 28397#(<= ULTIMATE.start_main_~i~4 148), 28398#(<= ULTIMATE.start_main_~i~4 150), 28399#(<= ULTIMATE.start_main_~i~4 152)] [2018-07-23 13:45:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,999 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:45:09,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:45:09,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:45:09,001 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 79 states. [2018-07-23 13:45:09,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,118 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:45:09,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:45:09,119 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 156 [2018-07-23 13:45:09,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,120 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:45:09,120 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:45:09,122 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:45:09,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:45:09,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:45:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:45:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:45:09,128 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:45:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,128 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:45:09,128 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:45:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:45:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:45:09,130 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,130 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:45:09,130 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,131 INFO L82 PathProgramCache]: Analyzing trace with hash 320765369, now seen corresponding path program 77 times [2018-07-23 13:45:09,131 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,417 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,417 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:45:09,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,418 INFO L185 omatonBuilderFactory]: Interpolants [29056#(<= ULTIMATE.start_main_~i~4 28), 29057#(<= ULTIMATE.start_main_~i~4 30), 29058#(<= ULTIMATE.start_main_~i~4 32), 29059#(<= ULTIMATE.start_main_~i~4 34), 29060#(<= ULTIMATE.start_main_~i~4 36), 29061#(<= ULTIMATE.start_main_~i~4 38), 29062#(<= ULTIMATE.start_main_~i~4 40), 29063#(<= ULTIMATE.start_main_~i~4 42), 29064#(<= ULTIMATE.start_main_~i~4 44), 29065#(<= ULTIMATE.start_main_~i~4 46), 29066#(<= ULTIMATE.start_main_~i~4 48), 29067#(<= ULTIMATE.start_main_~i~4 50), 29068#(<= ULTIMATE.start_main_~i~4 52), 29069#(<= ULTIMATE.start_main_~i~4 54), 29070#(<= ULTIMATE.start_main_~i~4 56), 29071#(<= ULTIMATE.start_main_~i~4 58), 29072#(<= ULTIMATE.start_main_~i~4 60), 29073#(<= ULTIMATE.start_main_~i~4 62), 29074#(<= ULTIMATE.start_main_~i~4 64), 29075#(<= ULTIMATE.start_main_~i~4 66), 29076#(<= ULTIMATE.start_main_~i~4 68), 29077#(<= ULTIMATE.start_main_~i~4 70), 29078#(<= ULTIMATE.start_main_~i~4 72), 29079#(<= ULTIMATE.start_main_~i~4 74), 29080#(<= ULTIMATE.start_main_~i~4 76), 29081#(<= ULTIMATE.start_main_~i~4 78), 29082#(<= ULTIMATE.start_main_~i~4 80), 29083#(<= ULTIMATE.start_main_~i~4 82), 29084#(<= ULTIMATE.start_main_~i~4 84), 29085#(<= ULTIMATE.start_main_~i~4 86), 29086#(<= ULTIMATE.start_main_~i~4 88), 29087#(<= ULTIMATE.start_main_~i~4 90), 29088#(<= ULTIMATE.start_main_~i~4 92), 29089#(<= ULTIMATE.start_main_~i~4 94), 29090#(<= ULTIMATE.start_main_~i~4 96), 29091#(<= ULTIMATE.start_main_~i~4 98), 29092#(<= ULTIMATE.start_main_~i~4 100), 29093#(<= ULTIMATE.start_main_~i~4 102), 29094#(<= ULTIMATE.start_main_~i~4 104), 29095#(<= ULTIMATE.start_main_~i~4 106), 29096#(<= ULTIMATE.start_main_~i~4 108), 29097#(<= ULTIMATE.start_main_~i~4 110), 29098#(<= ULTIMATE.start_main_~i~4 112), 29099#(<= ULTIMATE.start_main_~i~4 114), 29100#(<= ULTIMATE.start_main_~i~4 116), 29101#(<= ULTIMATE.start_main_~i~4 118), 29102#(<= ULTIMATE.start_main_~i~4 120), 29103#(<= ULTIMATE.start_main_~i~4 122), 29104#(<= ULTIMATE.start_main_~i~4 124), 29105#(<= ULTIMATE.start_main_~i~4 126), 29106#(<= ULTIMATE.start_main_~i~4 128), 29107#(<= ULTIMATE.start_main_~i~4 130), 29108#(<= ULTIMATE.start_main_~i~4 132), 29109#(<= ULTIMATE.start_main_~i~4 134), 29110#(<= ULTIMATE.start_main_~i~4 136), 29111#(<= ULTIMATE.start_main_~i~4 138), 29112#(<= ULTIMATE.start_main_~i~4 140), 29113#(<= ULTIMATE.start_main_~i~4 142), 29114#(<= ULTIMATE.start_main_~i~4 144), 29115#(<= ULTIMATE.start_main_~i~4 146), 29116#(<= ULTIMATE.start_main_~i~4 148), 29117#(<= ULTIMATE.start_main_~i~4 150), 29118#(<= ULTIMATE.start_main_~i~4 152), 29119#(<= ULTIMATE.start_main_~i~4 154), 29040#true, 29041#false, 29042#(<= ULTIMATE.start_main_~i~4 0), 29043#(<= ULTIMATE.start_main_~i~4 2), 29044#(<= ULTIMATE.start_main_~i~4 4), 29045#(<= ULTIMATE.start_main_~i~4 6), 29046#(<= ULTIMATE.start_main_~i~4 8), 29047#(<= ULTIMATE.start_main_~i~4 10), 29048#(<= ULTIMATE.start_main_~i~4 12), 29049#(<= ULTIMATE.start_main_~i~4 14), 29050#(<= ULTIMATE.start_main_~i~4 16), 29051#(<= ULTIMATE.start_main_~i~4 18), 29052#(<= ULTIMATE.start_main_~i~4 20), 29053#(<= ULTIMATE.start_main_~i~4 22), 29054#(<= ULTIMATE.start_main_~i~4 24), 29055#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:45:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,419 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:45:09,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:45:09,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:45:09,421 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 80 states. [2018-07-23 13:45:09,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,524 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:45:09,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:45:09,524 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 158 [2018-07-23 13:45:09,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,525 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:45:09,525 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:45:09,526 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:45:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:45:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:45:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:45:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:45:09,534 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:45:09,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,534 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:45:09,534 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:45:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:45:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:45:09,536 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,536 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:45:09,536 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,536 INFO L82 PathProgramCache]: Analyzing trace with hash -982073613, now seen corresponding path program 78 times [2018-07-23 13:45:09,536 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,847 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,847 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:45:09,847 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,848 INFO L185 omatonBuilderFactory]: Interpolants [29824#(<= ULTIMATE.start_main_~i~4 108), 29825#(<= ULTIMATE.start_main_~i~4 110), 29826#(<= ULTIMATE.start_main_~i~4 112), 29827#(<= ULTIMATE.start_main_~i~4 114), 29828#(<= ULTIMATE.start_main_~i~4 116), 29829#(<= ULTIMATE.start_main_~i~4 118), 29830#(<= ULTIMATE.start_main_~i~4 120), 29831#(<= ULTIMATE.start_main_~i~4 122), 29832#(<= ULTIMATE.start_main_~i~4 124), 29833#(<= ULTIMATE.start_main_~i~4 126), 29834#(<= ULTIMATE.start_main_~i~4 128), 29835#(<= ULTIMATE.start_main_~i~4 130), 29836#(<= ULTIMATE.start_main_~i~4 132), 29837#(<= ULTIMATE.start_main_~i~4 134), 29838#(<= ULTIMATE.start_main_~i~4 136), 29839#(<= ULTIMATE.start_main_~i~4 138), 29840#(<= ULTIMATE.start_main_~i~4 140), 29841#(<= ULTIMATE.start_main_~i~4 142), 29842#(<= ULTIMATE.start_main_~i~4 144), 29843#(<= ULTIMATE.start_main_~i~4 146), 29844#(<= ULTIMATE.start_main_~i~4 148), 29845#(<= ULTIMATE.start_main_~i~4 150), 29846#(<= ULTIMATE.start_main_~i~4 152), 29847#(<= ULTIMATE.start_main_~i~4 154), 29848#(<= ULTIMATE.start_main_~i~4 156), 29768#true, 29769#false, 29770#(<= ULTIMATE.start_main_~i~4 0), 29771#(<= ULTIMATE.start_main_~i~4 2), 29772#(<= ULTIMATE.start_main_~i~4 4), 29773#(<= ULTIMATE.start_main_~i~4 6), 29774#(<= ULTIMATE.start_main_~i~4 8), 29775#(<= ULTIMATE.start_main_~i~4 10), 29776#(<= ULTIMATE.start_main_~i~4 12), 29777#(<= ULTIMATE.start_main_~i~4 14), 29778#(<= ULTIMATE.start_main_~i~4 16), 29779#(<= ULTIMATE.start_main_~i~4 18), 29780#(<= ULTIMATE.start_main_~i~4 20), 29781#(<= ULTIMATE.start_main_~i~4 22), 29782#(<= ULTIMATE.start_main_~i~4 24), 29783#(<= ULTIMATE.start_main_~i~4 26), 29784#(<= ULTIMATE.start_main_~i~4 28), 29785#(<= ULTIMATE.start_main_~i~4 30), 29786#(<= ULTIMATE.start_main_~i~4 32), 29787#(<= ULTIMATE.start_main_~i~4 34), 29788#(<= ULTIMATE.start_main_~i~4 36), 29789#(<= ULTIMATE.start_main_~i~4 38), 29790#(<= ULTIMATE.start_main_~i~4 40), 29791#(<= ULTIMATE.start_main_~i~4 42), 29792#(<= ULTIMATE.start_main_~i~4 44), 29793#(<= ULTIMATE.start_main_~i~4 46), 29794#(<= ULTIMATE.start_main_~i~4 48), 29795#(<= ULTIMATE.start_main_~i~4 50), 29796#(<= ULTIMATE.start_main_~i~4 52), 29797#(<= ULTIMATE.start_main_~i~4 54), 29798#(<= ULTIMATE.start_main_~i~4 56), 29799#(<= ULTIMATE.start_main_~i~4 58), 29800#(<= ULTIMATE.start_main_~i~4 60), 29801#(<= ULTIMATE.start_main_~i~4 62), 29802#(<= ULTIMATE.start_main_~i~4 64), 29803#(<= ULTIMATE.start_main_~i~4 66), 29804#(<= ULTIMATE.start_main_~i~4 68), 29805#(<= ULTIMATE.start_main_~i~4 70), 29806#(<= ULTIMATE.start_main_~i~4 72), 29807#(<= ULTIMATE.start_main_~i~4 74), 29808#(<= ULTIMATE.start_main_~i~4 76), 29809#(<= ULTIMATE.start_main_~i~4 78), 29810#(<= ULTIMATE.start_main_~i~4 80), 29811#(<= ULTIMATE.start_main_~i~4 82), 29812#(<= ULTIMATE.start_main_~i~4 84), 29813#(<= ULTIMATE.start_main_~i~4 86), 29814#(<= ULTIMATE.start_main_~i~4 88), 29815#(<= ULTIMATE.start_main_~i~4 90), 29816#(<= ULTIMATE.start_main_~i~4 92), 29817#(<= ULTIMATE.start_main_~i~4 94), 29818#(<= ULTIMATE.start_main_~i~4 96), 29819#(<= ULTIMATE.start_main_~i~4 98), 29820#(<= ULTIMATE.start_main_~i~4 100), 29821#(<= ULTIMATE.start_main_~i~4 102), 29822#(<= ULTIMATE.start_main_~i~4 104), 29823#(<= ULTIMATE.start_main_~i~4 106)] [2018-07-23 13:45:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,849 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:45:09,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:45:09,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:45:09,850 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 81 states. [2018-07-23 13:45:09,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,912 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:45:09,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:45:09,913 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 160 [2018-07-23 13:45:09,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,914 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:45:09,914 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:45:09,915 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:45:09,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:45:09,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:45:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:45:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:45:09,920 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:45:09,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,921 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:45:09,921 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:45:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:45:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:45:09,922 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,922 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:45:09,923 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1120115117, now seen corresponding path program 79 times [2018-07-23 13:45:09,923 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,193 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,193 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:45:10,193 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,194 INFO L185 omatonBuilderFactory]: Interpolants [30505#true, 30506#false, 30507#(<= ULTIMATE.start_main_~i~4 0), 30508#(<= ULTIMATE.start_main_~i~4 2), 30509#(<= ULTIMATE.start_main_~i~4 4), 30510#(<= ULTIMATE.start_main_~i~4 6), 30511#(<= ULTIMATE.start_main_~i~4 8), 30512#(<= ULTIMATE.start_main_~i~4 10), 30513#(<= ULTIMATE.start_main_~i~4 12), 30514#(<= ULTIMATE.start_main_~i~4 14), 30515#(<= ULTIMATE.start_main_~i~4 16), 30516#(<= ULTIMATE.start_main_~i~4 18), 30517#(<= ULTIMATE.start_main_~i~4 20), 30518#(<= ULTIMATE.start_main_~i~4 22), 30519#(<= ULTIMATE.start_main_~i~4 24), 30520#(<= ULTIMATE.start_main_~i~4 26), 30521#(<= ULTIMATE.start_main_~i~4 28), 30522#(<= ULTIMATE.start_main_~i~4 30), 30523#(<= ULTIMATE.start_main_~i~4 32), 30524#(<= ULTIMATE.start_main_~i~4 34), 30525#(<= ULTIMATE.start_main_~i~4 36), 30526#(<= ULTIMATE.start_main_~i~4 38), 30527#(<= ULTIMATE.start_main_~i~4 40), 30528#(<= ULTIMATE.start_main_~i~4 42), 30529#(<= ULTIMATE.start_main_~i~4 44), 30530#(<= ULTIMATE.start_main_~i~4 46), 30531#(<= ULTIMATE.start_main_~i~4 48), 30532#(<= ULTIMATE.start_main_~i~4 50), 30533#(<= ULTIMATE.start_main_~i~4 52), 30534#(<= ULTIMATE.start_main_~i~4 54), 30535#(<= ULTIMATE.start_main_~i~4 56), 30536#(<= ULTIMATE.start_main_~i~4 58), 30537#(<= ULTIMATE.start_main_~i~4 60), 30538#(<= ULTIMATE.start_main_~i~4 62), 30539#(<= ULTIMATE.start_main_~i~4 64), 30540#(<= ULTIMATE.start_main_~i~4 66), 30541#(<= ULTIMATE.start_main_~i~4 68), 30542#(<= ULTIMATE.start_main_~i~4 70), 30543#(<= ULTIMATE.start_main_~i~4 72), 30544#(<= ULTIMATE.start_main_~i~4 74), 30545#(<= ULTIMATE.start_main_~i~4 76), 30546#(<= ULTIMATE.start_main_~i~4 78), 30547#(<= ULTIMATE.start_main_~i~4 80), 30548#(<= ULTIMATE.start_main_~i~4 82), 30549#(<= ULTIMATE.start_main_~i~4 84), 30550#(<= ULTIMATE.start_main_~i~4 86), 30551#(<= ULTIMATE.start_main_~i~4 88), 30552#(<= ULTIMATE.start_main_~i~4 90), 30553#(<= ULTIMATE.start_main_~i~4 92), 30554#(<= ULTIMATE.start_main_~i~4 94), 30555#(<= ULTIMATE.start_main_~i~4 96), 30556#(<= ULTIMATE.start_main_~i~4 98), 30557#(<= ULTIMATE.start_main_~i~4 100), 30558#(<= ULTIMATE.start_main_~i~4 102), 30559#(<= ULTIMATE.start_main_~i~4 104), 30560#(<= ULTIMATE.start_main_~i~4 106), 30561#(<= ULTIMATE.start_main_~i~4 108), 30562#(<= ULTIMATE.start_main_~i~4 110), 30563#(<= ULTIMATE.start_main_~i~4 112), 30564#(<= ULTIMATE.start_main_~i~4 114), 30565#(<= ULTIMATE.start_main_~i~4 116), 30566#(<= ULTIMATE.start_main_~i~4 118), 30567#(<= ULTIMATE.start_main_~i~4 120), 30568#(<= ULTIMATE.start_main_~i~4 122), 30569#(<= ULTIMATE.start_main_~i~4 124), 30570#(<= ULTIMATE.start_main_~i~4 126), 30571#(<= ULTIMATE.start_main_~i~4 128), 30572#(<= ULTIMATE.start_main_~i~4 130), 30573#(<= ULTIMATE.start_main_~i~4 132), 30574#(<= ULTIMATE.start_main_~i~4 134), 30575#(<= ULTIMATE.start_main_~i~4 136), 30576#(<= ULTIMATE.start_main_~i~4 138), 30577#(<= ULTIMATE.start_main_~i~4 140), 30578#(<= ULTIMATE.start_main_~i~4 142), 30579#(<= ULTIMATE.start_main_~i~4 144), 30580#(<= ULTIMATE.start_main_~i~4 146), 30581#(<= ULTIMATE.start_main_~i~4 148), 30582#(<= ULTIMATE.start_main_~i~4 150), 30583#(<= ULTIMATE.start_main_~i~4 152), 30584#(<= ULTIMATE.start_main_~i~4 154), 30585#(<= ULTIMATE.start_main_~i~4 156), 30586#(<= ULTIMATE.start_main_~i~4 158)] [2018-07-23 13:45:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,195 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:45:10,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:45:10,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:45:10,197 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 82 states. [2018-07-23 13:45:10,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,318 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:45:10,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:45:10,319 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 162 [2018-07-23 13:45:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,320 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:45:10,320 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:45:10,321 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:45:10,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:45:10,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:45:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:45:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:45:10,326 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:45:10,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,327 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:45:10,327 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:45:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:45:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:45:10,328 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,328 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:45:10,329 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1606111769, now seen corresponding path program 80 times [2018-07-23 13:45:10,329 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,608 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,608 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:45:10,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,609 INFO L185 omatonBuilderFactory]: Interpolants [31251#true, 31252#false, 31253#(<= ULTIMATE.start_main_~i~4 0), 31254#(<= ULTIMATE.start_main_~i~4 2), 31255#(<= ULTIMATE.start_main_~i~4 4), 31256#(<= ULTIMATE.start_main_~i~4 6), 31257#(<= ULTIMATE.start_main_~i~4 8), 31258#(<= ULTIMATE.start_main_~i~4 10), 31259#(<= ULTIMATE.start_main_~i~4 12), 31260#(<= ULTIMATE.start_main_~i~4 14), 31261#(<= ULTIMATE.start_main_~i~4 16), 31262#(<= ULTIMATE.start_main_~i~4 18), 31263#(<= ULTIMATE.start_main_~i~4 20), 31264#(<= ULTIMATE.start_main_~i~4 22), 31265#(<= ULTIMATE.start_main_~i~4 24), 31266#(<= ULTIMATE.start_main_~i~4 26), 31267#(<= ULTIMATE.start_main_~i~4 28), 31268#(<= ULTIMATE.start_main_~i~4 30), 31269#(<= ULTIMATE.start_main_~i~4 32), 31270#(<= ULTIMATE.start_main_~i~4 34), 31271#(<= ULTIMATE.start_main_~i~4 36), 31272#(<= ULTIMATE.start_main_~i~4 38), 31273#(<= ULTIMATE.start_main_~i~4 40), 31274#(<= ULTIMATE.start_main_~i~4 42), 31275#(<= ULTIMATE.start_main_~i~4 44), 31276#(<= ULTIMATE.start_main_~i~4 46), 31277#(<= ULTIMATE.start_main_~i~4 48), 31278#(<= ULTIMATE.start_main_~i~4 50), 31279#(<= ULTIMATE.start_main_~i~4 52), 31280#(<= ULTIMATE.start_main_~i~4 54), 31281#(<= ULTIMATE.start_main_~i~4 56), 31282#(<= ULTIMATE.start_main_~i~4 58), 31283#(<= ULTIMATE.start_main_~i~4 60), 31284#(<= ULTIMATE.start_main_~i~4 62), 31285#(<= ULTIMATE.start_main_~i~4 64), 31286#(<= ULTIMATE.start_main_~i~4 66), 31287#(<= ULTIMATE.start_main_~i~4 68), 31288#(<= ULTIMATE.start_main_~i~4 70), 31289#(<= ULTIMATE.start_main_~i~4 72), 31290#(<= ULTIMATE.start_main_~i~4 74), 31291#(<= ULTIMATE.start_main_~i~4 76), 31292#(<= ULTIMATE.start_main_~i~4 78), 31293#(<= ULTIMATE.start_main_~i~4 80), 31294#(<= ULTIMATE.start_main_~i~4 82), 31295#(<= ULTIMATE.start_main_~i~4 84), 31296#(<= ULTIMATE.start_main_~i~4 86), 31297#(<= ULTIMATE.start_main_~i~4 88), 31298#(<= ULTIMATE.start_main_~i~4 90), 31299#(<= ULTIMATE.start_main_~i~4 92), 31300#(<= ULTIMATE.start_main_~i~4 94), 31301#(<= ULTIMATE.start_main_~i~4 96), 31302#(<= ULTIMATE.start_main_~i~4 98), 31303#(<= ULTIMATE.start_main_~i~4 100), 31304#(<= ULTIMATE.start_main_~i~4 102), 31305#(<= ULTIMATE.start_main_~i~4 104), 31306#(<= ULTIMATE.start_main_~i~4 106), 31307#(<= ULTIMATE.start_main_~i~4 108), 31308#(<= ULTIMATE.start_main_~i~4 110), 31309#(<= ULTIMATE.start_main_~i~4 112), 31310#(<= ULTIMATE.start_main_~i~4 114), 31311#(<= ULTIMATE.start_main_~i~4 116), 31312#(<= ULTIMATE.start_main_~i~4 118), 31313#(<= ULTIMATE.start_main_~i~4 120), 31314#(<= ULTIMATE.start_main_~i~4 122), 31315#(<= ULTIMATE.start_main_~i~4 124), 31316#(<= ULTIMATE.start_main_~i~4 126), 31317#(<= ULTIMATE.start_main_~i~4 128), 31318#(<= ULTIMATE.start_main_~i~4 130), 31319#(<= ULTIMATE.start_main_~i~4 132), 31320#(<= ULTIMATE.start_main_~i~4 134), 31321#(<= ULTIMATE.start_main_~i~4 136), 31322#(<= ULTIMATE.start_main_~i~4 138), 31323#(<= ULTIMATE.start_main_~i~4 140), 31324#(<= ULTIMATE.start_main_~i~4 142), 31325#(<= ULTIMATE.start_main_~i~4 144), 31326#(<= ULTIMATE.start_main_~i~4 146), 31327#(<= ULTIMATE.start_main_~i~4 148), 31328#(<= ULTIMATE.start_main_~i~4 150), 31329#(<= ULTIMATE.start_main_~i~4 152), 31330#(<= ULTIMATE.start_main_~i~4 154), 31331#(<= ULTIMATE.start_main_~i~4 156), 31332#(<= ULTIMATE.start_main_~i~4 158), 31333#(<= ULTIMATE.start_main_~i~4 160)] [2018-07-23 13:45:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,610 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:45:10,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:45:10,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:45:10,611 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 83 states. [2018-07-23 13:45:10,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,740 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:45:10,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:45:10,740 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 164 [2018-07-23 13:45:10,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,742 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:45:10,742 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:45:10,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:45:10,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:45:10,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:45:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:45:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:45:10,747 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:45:10,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,748 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:45:10,748 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:45:10,748 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:45:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:45:10,749 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,749 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:45:10,749 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1580098655, now seen corresponding path program 81 times [2018-07-23 13:45:10,750 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,007 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,007 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:45:11,007 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,008 INFO L185 omatonBuilderFactory]: Interpolants [32006#true, 32007#false, 32008#(<= ULTIMATE.start_main_~i~4 0), 32009#(<= ULTIMATE.start_main_~i~4 2), 32010#(<= ULTIMATE.start_main_~i~4 4), 32011#(<= ULTIMATE.start_main_~i~4 6), 32012#(<= ULTIMATE.start_main_~i~4 8), 32013#(<= ULTIMATE.start_main_~i~4 10), 32014#(<= ULTIMATE.start_main_~i~4 12), 32015#(<= ULTIMATE.start_main_~i~4 14), 32016#(<= ULTIMATE.start_main_~i~4 16), 32017#(<= ULTIMATE.start_main_~i~4 18), 32018#(<= ULTIMATE.start_main_~i~4 20), 32019#(<= ULTIMATE.start_main_~i~4 22), 32020#(<= ULTIMATE.start_main_~i~4 24), 32021#(<= ULTIMATE.start_main_~i~4 26), 32022#(<= ULTIMATE.start_main_~i~4 28), 32023#(<= ULTIMATE.start_main_~i~4 30), 32024#(<= ULTIMATE.start_main_~i~4 32), 32025#(<= ULTIMATE.start_main_~i~4 34), 32026#(<= ULTIMATE.start_main_~i~4 36), 32027#(<= ULTIMATE.start_main_~i~4 38), 32028#(<= ULTIMATE.start_main_~i~4 40), 32029#(<= ULTIMATE.start_main_~i~4 42), 32030#(<= ULTIMATE.start_main_~i~4 44), 32031#(<= ULTIMATE.start_main_~i~4 46), 32032#(<= ULTIMATE.start_main_~i~4 48), 32033#(<= ULTIMATE.start_main_~i~4 50), 32034#(<= ULTIMATE.start_main_~i~4 52), 32035#(<= ULTIMATE.start_main_~i~4 54), 32036#(<= ULTIMATE.start_main_~i~4 56), 32037#(<= ULTIMATE.start_main_~i~4 58), 32038#(<= ULTIMATE.start_main_~i~4 60), 32039#(<= ULTIMATE.start_main_~i~4 62), 32040#(<= ULTIMATE.start_main_~i~4 64), 32041#(<= ULTIMATE.start_main_~i~4 66), 32042#(<= ULTIMATE.start_main_~i~4 68), 32043#(<= ULTIMATE.start_main_~i~4 70), 32044#(<= ULTIMATE.start_main_~i~4 72), 32045#(<= ULTIMATE.start_main_~i~4 74), 32046#(<= ULTIMATE.start_main_~i~4 76), 32047#(<= ULTIMATE.start_main_~i~4 78), 32048#(<= ULTIMATE.start_main_~i~4 80), 32049#(<= ULTIMATE.start_main_~i~4 82), 32050#(<= ULTIMATE.start_main_~i~4 84), 32051#(<= ULTIMATE.start_main_~i~4 86), 32052#(<= ULTIMATE.start_main_~i~4 88), 32053#(<= ULTIMATE.start_main_~i~4 90), 32054#(<= ULTIMATE.start_main_~i~4 92), 32055#(<= ULTIMATE.start_main_~i~4 94), 32056#(<= ULTIMATE.start_main_~i~4 96), 32057#(<= ULTIMATE.start_main_~i~4 98), 32058#(<= ULTIMATE.start_main_~i~4 100), 32059#(<= ULTIMATE.start_main_~i~4 102), 32060#(<= ULTIMATE.start_main_~i~4 104), 32061#(<= ULTIMATE.start_main_~i~4 106), 32062#(<= ULTIMATE.start_main_~i~4 108), 32063#(<= ULTIMATE.start_main_~i~4 110), 32064#(<= ULTIMATE.start_main_~i~4 112), 32065#(<= ULTIMATE.start_main_~i~4 114), 32066#(<= ULTIMATE.start_main_~i~4 116), 32067#(<= ULTIMATE.start_main_~i~4 118), 32068#(<= ULTIMATE.start_main_~i~4 120), 32069#(<= ULTIMATE.start_main_~i~4 122), 32070#(<= ULTIMATE.start_main_~i~4 124), 32071#(<= ULTIMATE.start_main_~i~4 126), 32072#(<= ULTIMATE.start_main_~i~4 128), 32073#(<= ULTIMATE.start_main_~i~4 130), 32074#(<= ULTIMATE.start_main_~i~4 132), 32075#(<= ULTIMATE.start_main_~i~4 134), 32076#(<= ULTIMATE.start_main_~i~4 136), 32077#(<= ULTIMATE.start_main_~i~4 138), 32078#(<= ULTIMATE.start_main_~i~4 140), 32079#(<= ULTIMATE.start_main_~i~4 142), 32080#(<= ULTIMATE.start_main_~i~4 144), 32081#(<= ULTIMATE.start_main_~i~4 146), 32082#(<= ULTIMATE.start_main_~i~4 148), 32083#(<= ULTIMATE.start_main_~i~4 150), 32084#(<= ULTIMATE.start_main_~i~4 152), 32085#(<= ULTIMATE.start_main_~i~4 154), 32086#(<= ULTIMATE.start_main_~i~4 156), 32087#(<= ULTIMATE.start_main_~i~4 158), 32088#(<= ULTIMATE.start_main_~i~4 160), 32089#(<= ULTIMATE.start_main_~i~4 162)] [2018-07-23 13:45:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,008 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:45:11,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:45:11,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:45:11,010 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 84 states. [2018-07-23 13:45:11,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,133 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:45:11,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:45:11,134 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 166 [2018-07-23 13:45:11,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,135 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:45:11,135 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:45:11,136 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:45:11,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:45:11,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:45:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:45:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:45:11,140 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:45:11,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,141 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:45:11,141 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:45:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:45:11,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:45:11,142 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,142 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:45:11,143 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1943667419, now seen corresponding path program 82 times [2018-07-23 13:45:11,143 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,422 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,423 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:45:11,423 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,423 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 13:45:11,424 INFO L185 omatonBuilderFactory]: Interpolants [32770#true, 32771#false, 32772#(<= ULTIMATE.start_main_~i~4 0), 32773#(<= ULTIMATE.start_main_~i~4 2), 32774#(<= ULTIMATE.start_main_~i~4 4), 32775#(<= ULTIMATE.start_main_~i~4 6), 32776#(<= ULTIMATE.start_main_~i~4 8), 32777#(<= ULTIMATE.start_main_~i~4 10), 32778#(<= ULTIMATE.start_main_~i~4 12), 32779#(<= ULTIMATE.start_main_~i~4 14), 32780#(<= ULTIMATE.start_main_~i~4 16), 32781#(<= ULTIMATE.start_main_~i~4 18), 32782#(<= ULTIMATE.start_main_~i~4 20), 32783#(<= ULTIMATE.start_main_~i~4 22), 32784#(<= ULTIMATE.start_main_~i~4 24), 32785#(<= ULTIMATE.start_main_~i~4 26), 32786#(<= ULTIMATE.start_main_~i~4 28), 32787#(<= ULTIMATE.start_main_~i~4 30), 32788#(<= ULTIMATE.start_main_~i~4 32), 32789#(<= ULTIMATE.start_main_~i~4 34), 32790#(<= ULTIMATE.start_main_~i~4 36), 32791#(<= ULTIMATE.start_main_~i~4 38), 32792#(<= ULTIMATE.start_main_~i~4 40), 32793#(<= ULTIMATE.start_main_~i~4 42), 32794#(<= ULTIMATE.start_main_~i~4 44), 32795#(<= ULTIMATE.start_main_~i~4 46), 32796#(<= ULTIMATE.start_main_~i~4 48), 32797#(<= ULTIMATE.start_main_~i~4 50), 32798#(<= ULTIMATE.start_main_~i~4 52), 32799#(<= ULTIMATE.start_main_~i~4 54), 32800#(<= ULTIMATE.start_main_~i~4 56), 32801#(<= ULTIMATE.start_main_~i~4 58), 32802#(<= ULTIMATE.start_main_~i~4 60), 32803#(<= ULTIMATE.start_main_~i~4 62), 32804#(<= ULTIMATE.start_main_~i~4 64), 32805#(<= ULTIMATE.start_main_~i~4 66), 32806#(<= ULTIMATE.start_main_~i~4 68), 32807#(<= ULTIMATE.start_main_~i~4 70), 32808#(<= ULTIMATE.start_main_~i~4 72), 32809#(<= ULTIMATE.start_main_~i~4 74), 32810#(<= ULTIMATE.start_main_~i~4 76), 32811#(<= ULTIMATE.start_main_~i~4 78), 32812#(<= ULTIMATE.start_main_~i~4 80), 32813#(<= ULTIMATE.start_main_~i~4 82), 32814#(<= ULTIMATE.start_main_~i~4 84), 32815#(<= ULTIMATE.start_main_~i~4 86), 32816#(<= ULTIMATE.start_main_~i~4 88), 32817#(<= ULTIMATE.start_main_~i~4 90), 32818#(<= ULTIMATE.start_main_~i~4 92), 32819#(<= ULTIMATE.start_main_~i~4 94), 32820#(<= ULTIMATE.start_main_~i~4 96), 32821#(<= ULTIMATE.start_main_~i~4 98), 32822#(<= ULTIMATE.start_main_~i~4 100), 32823#(<= ULTIMATE.start_main_~i~4 102), 32824#(<= ULTIMATE.start_main_~i~4 104), 32825#(<= ULTIMATE.start_main_~i~4 106), 32826#(<= ULTIMATE.start_main_~i~4 108), 32827#(<= ULTIMATE.start_main_~i~4 110), 32828#(<= ULTIMATE.start_main_~i~4 112), 32829#(<= ULTIMATE.start_main_~i~4 114), 32830#(<= ULTIMATE.start_main_~i~4 116), 32831#(<= ULTIMATE.start_main_~i~4 118), 32832#(<= ULTIMATE.start_main_~i~4 120), 32833#(<= ULTIMATE.start_main_~i~4 122), 32834#(<= ULTIMATE.start_main_~i~4 124), 32835#(<= ULTIMATE.start_main_~i~4 126), 32836#(<= ULTIMATE.start_main_~i~4 128), 32837#(<= ULTIMATE.start_main_~i~4 130), 32838#(<= ULTIMATE.start_main_~i~4 132), 32839#(<= ULTIMATE.start_main_~i~4 134), 32840#(<= ULTIMATE.start_main_~i~4 136), 32841#(<= ULTIMATE.start_main_~i~4 138), 32842#(<= ULTIMATE.start_main_~i~4 140), 32843#(<= ULTIMATE.start_main_~i~4 142), 32844#(<= ULTIMATE.start_main_~i~4 144), 32845#(<= ULTIMATE.start_main_~i~4 146), 32846#(<= ULTIMATE.start_main_~i~4 148), 32847#(<= ULTIMATE.start_main_~i~4 150), 32848#(<= ULTIMATE.start_main_~i~4 152), 32849#(<= ULTIMATE.start_main_~i~4 154), 32850#(<= ULTIMATE.start_main_~i~4 156), 32851#(<= ULTIMATE.start_main_~i~4 158), 32852#(<= ULTIMATE.start_main_~i~4 160), 32853#(<= ULTIMATE.start_main_~i~4 162), 32854#(<= ULTIMATE.start_main_~i~4 164)] [2018-07-23 13:45:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,425 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:45:11,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:45:11,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:45:11,426 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 85 states. [2018-07-23 13:45:11,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,573 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:45:11,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:45:11,573 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 168 [2018-07-23 13:45:11,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,574 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:45:11,574 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:45:11,575 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:45:11,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:45:11,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:45:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:45:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:45:11,579 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:45:11,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,580 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:45:11,580 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:45:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:45:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:45:11,581 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,582 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:45:11,582 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,582 INFO L82 PathProgramCache]: Analyzing trace with hash -446332011, now seen corresponding path program 83 times [2018-07-23 13:45:11,582 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,939 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,939 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:45:11,940 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,940 INFO L185 omatonBuilderFactory]: Interpolants [33543#true, 33544#false, 33545#(<= ULTIMATE.start_main_~i~4 0), 33546#(<= ULTIMATE.start_main_~i~4 2), 33547#(<= ULTIMATE.start_main_~i~4 4), 33548#(<= ULTIMATE.start_main_~i~4 6), 33549#(<= ULTIMATE.start_main_~i~4 8), 33550#(<= ULTIMATE.start_main_~i~4 10), 33551#(<= ULTIMATE.start_main_~i~4 12), 33552#(<= ULTIMATE.start_main_~i~4 14), 33553#(<= ULTIMATE.start_main_~i~4 16), 33554#(<= ULTIMATE.start_main_~i~4 18), 33555#(<= ULTIMATE.start_main_~i~4 20), 33556#(<= ULTIMATE.start_main_~i~4 22), 33557#(<= ULTIMATE.start_main_~i~4 24), 33558#(<= ULTIMATE.start_main_~i~4 26), 33559#(<= ULTIMATE.start_main_~i~4 28), 33560#(<= ULTIMATE.start_main_~i~4 30), 33561#(<= ULTIMATE.start_main_~i~4 32), 33562#(<= ULTIMATE.start_main_~i~4 34), 33563#(<= ULTIMATE.start_main_~i~4 36), 33564#(<= ULTIMATE.start_main_~i~4 38), 33565#(<= ULTIMATE.start_main_~i~4 40), 33566#(<= ULTIMATE.start_main_~i~4 42), 33567#(<= ULTIMATE.start_main_~i~4 44), 33568#(<= ULTIMATE.start_main_~i~4 46), 33569#(<= ULTIMATE.start_main_~i~4 48), 33570#(<= ULTIMATE.start_main_~i~4 50), 33571#(<= ULTIMATE.start_main_~i~4 52), 33572#(<= ULTIMATE.start_main_~i~4 54), 33573#(<= ULTIMATE.start_main_~i~4 56), 33574#(<= ULTIMATE.start_main_~i~4 58), 33575#(<= ULTIMATE.start_main_~i~4 60), 33576#(<= ULTIMATE.start_main_~i~4 62), 33577#(<= ULTIMATE.start_main_~i~4 64), 33578#(<= ULTIMATE.start_main_~i~4 66), 33579#(<= ULTIMATE.start_main_~i~4 68), 33580#(<= ULTIMATE.start_main_~i~4 70), 33581#(<= ULTIMATE.start_main_~i~4 72), 33582#(<= ULTIMATE.start_main_~i~4 74), 33583#(<= ULTIMATE.start_main_~i~4 76), 33584#(<= ULTIMATE.start_main_~i~4 78), 33585#(<= ULTIMATE.start_main_~i~4 80), 33586#(<= ULTIMATE.start_main_~i~4 82), 33587#(<= ULTIMATE.start_main_~i~4 84), 33588#(<= ULTIMATE.start_main_~i~4 86), 33589#(<= ULTIMATE.start_main_~i~4 88), 33590#(<= ULTIMATE.start_main_~i~4 90), 33591#(<= ULTIMATE.start_main_~i~4 92), 33592#(<= ULTIMATE.start_main_~i~4 94), 33593#(<= ULTIMATE.start_main_~i~4 96), 33594#(<= ULTIMATE.start_main_~i~4 98), 33595#(<= ULTIMATE.start_main_~i~4 100), 33596#(<= ULTIMATE.start_main_~i~4 102), 33597#(<= ULTIMATE.start_main_~i~4 104), 33598#(<= ULTIMATE.start_main_~i~4 106), 33599#(<= ULTIMATE.start_main_~i~4 108), 33600#(<= ULTIMATE.start_main_~i~4 110), 33601#(<= ULTIMATE.start_main_~i~4 112), 33602#(<= ULTIMATE.start_main_~i~4 114), 33603#(<= ULTIMATE.start_main_~i~4 116), 33604#(<= ULTIMATE.start_main_~i~4 118), 33605#(<= ULTIMATE.start_main_~i~4 120), 33606#(<= ULTIMATE.start_main_~i~4 122), 33607#(<= ULTIMATE.start_main_~i~4 124), 33608#(<= ULTIMATE.start_main_~i~4 126), 33609#(<= ULTIMATE.start_main_~i~4 128), 33610#(<= ULTIMATE.start_main_~i~4 130), 33611#(<= ULTIMATE.start_main_~i~4 132), 33612#(<= ULTIMATE.start_main_~i~4 134), 33613#(<= ULTIMATE.start_main_~i~4 136), 33614#(<= ULTIMATE.start_main_~i~4 138), 33615#(<= ULTIMATE.start_main_~i~4 140), 33616#(<= ULTIMATE.start_main_~i~4 142), 33617#(<= ULTIMATE.start_main_~i~4 144), 33618#(<= ULTIMATE.start_main_~i~4 146), 33619#(<= ULTIMATE.start_main_~i~4 148), 33620#(<= ULTIMATE.start_main_~i~4 150), 33621#(<= ULTIMATE.start_main_~i~4 152), 33622#(<= ULTIMATE.start_main_~i~4 154), 33623#(<= ULTIMATE.start_main_~i~4 156), 33624#(<= ULTIMATE.start_main_~i~4 158), 33625#(<= ULTIMATE.start_main_~i~4 160), 33626#(<= ULTIMATE.start_main_~i~4 162), 33627#(<= ULTIMATE.start_main_~i~4 164), 33628#(<= ULTIMATE.start_main_~i~4 166)] [2018-07-23 13:45:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,942 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:45:11,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:45:11,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:45:11,943 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 86 states. [2018-07-23 13:45:12,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,102 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:45:12,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:45:12,102 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 170 [2018-07-23 13:45:12,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,103 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:45:12,103 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:45:12,104 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:45:12,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:45:12,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:45:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:45:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:45:12,110 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:45:12,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,110 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:45:12,110 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:45:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:45:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:45:12,112 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,112 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:45:12,113 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,113 INFO L82 PathProgramCache]: Analyzing trace with hash 571719119, now seen corresponding path program 84 times [2018-07-23 13:45:12,113 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,437 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:12,437 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:45:12,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,438 INFO L185 omatonBuilderFactory]: Interpolants [34325#true, 34326#false, 34327#(<= ULTIMATE.start_main_~i~4 0), 34328#(<= ULTIMATE.start_main_~i~4 2), 34329#(<= ULTIMATE.start_main_~i~4 4), 34330#(<= ULTIMATE.start_main_~i~4 6), 34331#(<= ULTIMATE.start_main_~i~4 8), 34332#(<= ULTIMATE.start_main_~i~4 10), 34333#(<= ULTIMATE.start_main_~i~4 12), 34334#(<= ULTIMATE.start_main_~i~4 14), 34335#(<= ULTIMATE.start_main_~i~4 16), 34336#(<= ULTIMATE.start_main_~i~4 18), 34337#(<= ULTIMATE.start_main_~i~4 20), 34338#(<= ULTIMATE.start_main_~i~4 22), 34339#(<= ULTIMATE.start_main_~i~4 24), 34340#(<= ULTIMATE.start_main_~i~4 26), 34341#(<= ULTIMATE.start_main_~i~4 28), 34342#(<= ULTIMATE.start_main_~i~4 30), 34343#(<= ULTIMATE.start_main_~i~4 32), 34344#(<= ULTIMATE.start_main_~i~4 34), 34345#(<= ULTIMATE.start_main_~i~4 36), 34346#(<= ULTIMATE.start_main_~i~4 38), 34347#(<= ULTIMATE.start_main_~i~4 40), 34348#(<= ULTIMATE.start_main_~i~4 42), 34349#(<= ULTIMATE.start_main_~i~4 44), 34350#(<= ULTIMATE.start_main_~i~4 46), 34351#(<= ULTIMATE.start_main_~i~4 48), 34352#(<= ULTIMATE.start_main_~i~4 50), 34353#(<= ULTIMATE.start_main_~i~4 52), 34354#(<= ULTIMATE.start_main_~i~4 54), 34355#(<= ULTIMATE.start_main_~i~4 56), 34356#(<= ULTIMATE.start_main_~i~4 58), 34357#(<= ULTIMATE.start_main_~i~4 60), 34358#(<= ULTIMATE.start_main_~i~4 62), 34359#(<= ULTIMATE.start_main_~i~4 64), 34360#(<= ULTIMATE.start_main_~i~4 66), 34361#(<= ULTIMATE.start_main_~i~4 68), 34362#(<= ULTIMATE.start_main_~i~4 70), 34363#(<= ULTIMATE.start_main_~i~4 72), 34364#(<= ULTIMATE.start_main_~i~4 74), 34365#(<= ULTIMATE.start_main_~i~4 76), 34366#(<= ULTIMATE.start_main_~i~4 78), 34367#(<= ULTIMATE.start_main_~i~4 80), 34368#(<= ULTIMATE.start_main_~i~4 82), 34369#(<= ULTIMATE.start_main_~i~4 84), 34370#(<= ULTIMATE.start_main_~i~4 86), 34371#(<= ULTIMATE.start_main_~i~4 88), 34372#(<= ULTIMATE.start_main_~i~4 90), 34373#(<= ULTIMATE.start_main_~i~4 92), 34374#(<= ULTIMATE.start_main_~i~4 94), 34375#(<= ULTIMATE.start_main_~i~4 96), 34376#(<= ULTIMATE.start_main_~i~4 98), 34377#(<= ULTIMATE.start_main_~i~4 100), 34378#(<= ULTIMATE.start_main_~i~4 102), 34379#(<= ULTIMATE.start_main_~i~4 104), 34380#(<= ULTIMATE.start_main_~i~4 106), 34381#(<= ULTIMATE.start_main_~i~4 108), 34382#(<= ULTIMATE.start_main_~i~4 110), 34383#(<= ULTIMATE.start_main_~i~4 112), 34384#(<= ULTIMATE.start_main_~i~4 114), 34385#(<= ULTIMATE.start_main_~i~4 116), 34386#(<= ULTIMATE.start_main_~i~4 118), 34387#(<= ULTIMATE.start_main_~i~4 120), 34388#(<= ULTIMATE.start_main_~i~4 122), 34389#(<= ULTIMATE.start_main_~i~4 124), 34390#(<= ULTIMATE.start_main_~i~4 126), 34391#(<= ULTIMATE.start_main_~i~4 128), 34392#(<= ULTIMATE.start_main_~i~4 130), 34393#(<= ULTIMATE.start_main_~i~4 132), 34394#(<= ULTIMATE.start_main_~i~4 134), 34395#(<= ULTIMATE.start_main_~i~4 136), 34396#(<= ULTIMATE.start_main_~i~4 138), 34397#(<= ULTIMATE.start_main_~i~4 140), 34398#(<= ULTIMATE.start_main_~i~4 142), 34399#(<= ULTIMATE.start_main_~i~4 144), 34400#(<= ULTIMATE.start_main_~i~4 146), 34401#(<= ULTIMATE.start_main_~i~4 148), 34402#(<= ULTIMATE.start_main_~i~4 150), 34403#(<= ULTIMATE.start_main_~i~4 152), 34404#(<= ULTIMATE.start_main_~i~4 154), 34405#(<= ULTIMATE.start_main_~i~4 156), 34406#(<= ULTIMATE.start_main_~i~4 158), 34407#(<= ULTIMATE.start_main_~i~4 160), 34408#(<= ULTIMATE.start_main_~i~4 162), 34409#(<= ULTIMATE.start_main_~i~4 164), 34410#(<= ULTIMATE.start_main_~i~4 166), 34411#(<= ULTIMATE.start_main_~i~4 168)] [2018-07-23 13:45:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,439 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:45:12,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:45:12,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:45:12,441 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 87 states. [2018-07-23 13:45:12,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,550 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:45:12,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:45:12,551 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 172 [2018-07-23 13:45:12,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,552 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:45:12,552 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:45:12,553 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:45:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:45:12,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:45:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:45:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:45:12,557 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:45:12,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,558 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:45:12,558 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:45:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:45:12,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:45:12,559 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,559 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:45:12,560 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,560 INFO L82 PathProgramCache]: Analyzing trace with hash -333688439, now seen corresponding path program 85 times [2018-07-23 13:45:12,560 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,859 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:12,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:45:12,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,860 INFO L185 omatonBuilderFactory]: Interpolants [35200#(<= ULTIMATE.start_main_~i~4 164), 35201#(<= ULTIMATE.start_main_~i~4 166), 35202#(<= ULTIMATE.start_main_~i~4 168), 35203#(<= ULTIMATE.start_main_~i~4 170), 35116#true, 35117#false, 35118#(<= ULTIMATE.start_main_~i~4 0), 35119#(<= ULTIMATE.start_main_~i~4 2), 35120#(<= ULTIMATE.start_main_~i~4 4), 35121#(<= ULTIMATE.start_main_~i~4 6), 35122#(<= ULTIMATE.start_main_~i~4 8), 35123#(<= ULTIMATE.start_main_~i~4 10), 35124#(<= ULTIMATE.start_main_~i~4 12), 35125#(<= ULTIMATE.start_main_~i~4 14), 35126#(<= ULTIMATE.start_main_~i~4 16), 35127#(<= ULTIMATE.start_main_~i~4 18), 35128#(<= ULTIMATE.start_main_~i~4 20), 35129#(<= ULTIMATE.start_main_~i~4 22), 35130#(<= ULTIMATE.start_main_~i~4 24), 35131#(<= ULTIMATE.start_main_~i~4 26), 35132#(<= ULTIMATE.start_main_~i~4 28), 35133#(<= ULTIMATE.start_main_~i~4 30), 35134#(<= ULTIMATE.start_main_~i~4 32), 35135#(<= ULTIMATE.start_main_~i~4 34), 35136#(<= ULTIMATE.start_main_~i~4 36), 35137#(<= ULTIMATE.start_main_~i~4 38), 35138#(<= ULTIMATE.start_main_~i~4 40), 35139#(<= ULTIMATE.start_main_~i~4 42), 35140#(<= ULTIMATE.start_main_~i~4 44), 35141#(<= ULTIMATE.start_main_~i~4 46), 35142#(<= ULTIMATE.start_main_~i~4 48), 35143#(<= ULTIMATE.start_main_~i~4 50), 35144#(<= ULTIMATE.start_main_~i~4 52), 35145#(<= ULTIMATE.start_main_~i~4 54), 35146#(<= ULTIMATE.start_main_~i~4 56), 35147#(<= ULTIMATE.start_main_~i~4 58), 35148#(<= ULTIMATE.start_main_~i~4 60), 35149#(<= ULTIMATE.start_main_~i~4 62), 35150#(<= ULTIMATE.start_main_~i~4 64), 35151#(<= ULTIMATE.start_main_~i~4 66), 35152#(<= ULTIMATE.start_main_~i~4 68), 35153#(<= ULTIMATE.start_main_~i~4 70), 35154#(<= ULTIMATE.start_main_~i~4 72), 35155#(<= ULTIMATE.start_main_~i~4 74), 35156#(<= ULTIMATE.start_main_~i~4 76), 35157#(<= ULTIMATE.start_main_~i~4 78), 35158#(<= ULTIMATE.start_main_~i~4 80), 35159#(<= ULTIMATE.start_main_~i~4 82), 35160#(<= ULTIMATE.start_main_~i~4 84), 35161#(<= ULTIMATE.start_main_~i~4 86), 35162#(<= ULTIMATE.start_main_~i~4 88), 35163#(<= ULTIMATE.start_main_~i~4 90), 35164#(<= ULTIMATE.start_main_~i~4 92), 35165#(<= ULTIMATE.start_main_~i~4 94), 35166#(<= ULTIMATE.start_main_~i~4 96), 35167#(<= ULTIMATE.start_main_~i~4 98), 35168#(<= ULTIMATE.start_main_~i~4 100), 35169#(<= ULTIMATE.start_main_~i~4 102), 35170#(<= ULTIMATE.start_main_~i~4 104), 35171#(<= ULTIMATE.start_main_~i~4 106), 35172#(<= ULTIMATE.start_main_~i~4 108), 35173#(<= ULTIMATE.start_main_~i~4 110), 35174#(<= ULTIMATE.start_main_~i~4 112), 35175#(<= ULTIMATE.start_main_~i~4 114), 35176#(<= ULTIMATE.start_main_~i~4 116), 35177#(<= ULTIMATE.start_main_~i~4 118), 35178#(<= ULTIMATE.start_main_~i~4 120), 35179#(<= ULTIMATE.start_main_~i~4 122), 35180#(<= ULTIMATE.start_main_~i~4 124), 35181#(<= ULTIMATE.start_main_~i~4 126), 35182#(<= ULTIMATE.start_main_~i~4 128), 35183#(<= ULTIMATE.start_main_~i~4 130), 35184#(<= ULTIMATE.start_main_~i~4 132), 35185#(<= ULTIMATE.start_main_~i~4 134), 35186#(<= ULTIMATE.start_main_~i~4 136), 35187#(<= ULTIMATE.start_main_~i~4 138), 35188#(<= ULTIMATE.start_main_~i~4 140), 35189#(<= ULTIMATE.start_main_~i~4 142), 35190#(<= ULTIMATE.start_main_~i~4 144), 35191#(<= ULTIMATE.start_main_~i~4 146), 35192#(<= ULTIMATE.start_main_~i~4 148), 35193#(<= ULTIMATE.start_main_~i~4 150), 35194#(<= ULTIMATE.start_main_~i~4 152), 35195#(<= ULTIMATE.start_main_~i~4 154), 35196#(<= ULTIMATE.start_main_~i~4 156), 35197#(<= ULTIMATE.start_main_~i~4 158), 35198#(<= ULTIMATE.start_main_~i~4 160), 35199#(<= ULTIMATE.start_main_~i~4 162)] [2018-07-23 13:45:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,861 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:45:12,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:45:12,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:45:12,863 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 88 states. [2018-07-23 13:45:12,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,961 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:45:12,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:45:12,962 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 174 [2018-07-23 13:45:12,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,963 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:45:12,963 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:45:12,964 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:45:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:45:12,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:45:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:45:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:45:12,968 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:45:12,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,968 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:45:12,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:45:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:45:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:45:12,970 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,970 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:45:12,970 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1448009411, now seen corresponding path program 86 times [2018-07-23 13:45:12,971 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,297 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,297 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:45:13,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,298 INFO L185 omatonBuilderFactory]: Interpolants [35968#(<= ULTIMATE.start_main_~i~4 100), 35969#(<= ULTIMATE.start_main_~i~4 102), 35970#(<= ULTIMATE.start_main_~i~4 104), 35971#(<= ULTIMATE.start_main_~i~4 106), 35972#(<= ULTIMATE.start_main_~i~4 108), 35973#(<= ULTIMATE.start_main_~i~4 110), 35974#(<= ULTIMATE.start_main_~i~4 112), 35975#(<= ULTIMATE.start_main_~i~4 114), 35976#(<= ULTIMATE.start_main_~i~4 116), 35977#(<= ULTIMATE.start_main_~i~4 118), 35978#(<= ULTIMATE.start_main_~i~4 120), 35979#(<= ULTIMATE.start_main_~i~4 122), 35980#(<= ULTIMATE.start_main_~i~4 124), 35981#(<= ULTIMATE.start_main_~i~4 126), 35982#(<= ULTIMATE.start_main_~i~4 128), 35983#(<= ULTIMATE.start_main_~i~4 130), 35984#(<= ULTIMATE.start_main_~i~4 132), 35985#(<= ULTIMATE.start_main_~i~4 134), 35986#(<= ULTIMATE.start_main_~i~4 136), 35987#(<= ULTIMATE.start_main_~i~4 138), 35988#(<= ULTIMATE.start_main_~i~4 140), 35989#(<= ULTIMATE.start_main_~i~4 142), 35990#(<= ULTIMATE.start_main_~i~4 144), 35991#(<= ULTIMATE.start_main_~i~4 146), 35992#(<= ULTIMATE.start_main_~i~4 148), 35993#(<= ULTIMATE.start_main_~i~4 150), 35994#(<= ULTIMATE.start_main_~i~4 152), 35995#(<= ULTIMATE.start_main_~i~4 154), 35996#(<= ULTIMATE.start_main_~i~4 156), 35997#(<= ULTIMATE.start_main_~i~4 158), 35998#(<= ULTIMATE.start_main_~i~4 160), 35999#(<= ULTIMATE.start_main_~i~4 162), 36000#(<= ULTIMATE.start_main_~i~4 164), 36001#(<= ULTIMATE.start_main_~i~4 166), 36002#(<= ULTIMATE.start_main_~i~4 168), 36003#(<= ULTIMATE.start_main_~i~4 170), 36004#(<= ULTIMATE.start_main_~i~4 172), 35916#true, 35917#false, 35918#(<= ULTIMATE.start_main_~i~4 0), 35919#(<= ULTIMATE.start_main_~i~4 2), 35920#(<= ULTIMATE.start_main_~i~4 4), 35921#(<= ULTIMATE.start_main_~i~4 6), 35922#(<= ULTIMATE.start_main_~i~4 8), 35923#(<= ULTIMATE.start_main_~i~4 10), 35924#(<= ULTIMATE.start_main_~i~4 12), 35925#(<= ULTIMATE.start_main_~i~4 14), 35926#(<= ULTIMATE.start_main_~i~4 16), 35927#(<= ULTIMATE.start_main_~i~4 18), 35928#(<= ULTIMATE.start_main_~i~4 20), 35929#(<= ULTIMATE.start_main_~i~4 22), 35930#(<= ULTIMATE.start_main_~i~4 24), 35931#(<= ULTIMATE.start_main_~i~4 26), 35932#(<= ULTIMATE.start_main_~i~4 28), 35933#(<= ULTIMATE.start_main_~i~4 30), 35934#(<= ULTIMATE.start_main_~i~4 32), 35935#(<= ULTIMATE.start_main_~i~4 34), 35936#(<= ULTIMATE.start_main_~i~4 36), 35937#(<= ULTIMATE.start_main_~i~4 38), 35938#(<= ULTIMATE.start_main_~i~4 40), 35939#(<= ULTIMATE.start_main_~i~4 42), 35940#(<= ULTIMATE.start_main_~i~4 44), 35941#(<= ULTIMATE.start_main_~i~4 46), 35942#(<= ULTIMATE.start_main_~i~4 48), 35943#(<= ULTIMATE.start_main_~i~4 50), 35944#(<= ULTIMATE.start_main_~i~4 52), 35945#(<= ULTIMATE.start_main_~i~4 54), 35946#(<= ULTIMATE.start_main_~i~4 56), 35947#(<= ULTIMATE.start_main_~i~4 58), 35948#(<= ULTIMATE.start_main_~i~4 60), 35949#(<= ULTIMATE.start_main_~i~4 62), 35950#(<= ULTIMATE.start_main_~i~4 64), 35951#(<= ULTIMATE.start_main_~i~4 66), 35952#(<= ULTIMATE.start_main_~i~4 68), 35953#(<= ULTIMATE.start_main_~i~4 70), 35954#(<= ULTIMATE.start_main_~i~4 72), 35955#(<= ULTIMATE.start_main_~i~4 74), 35956#(<= ULTIMATE.start_main_~i~4 76), 35957#(<= ULTIMATE.start_main_~i~4 78), 35958#(<= ULTIMATE.start_main_~i~4 80), 35959#(<= ULTIMATE.start_main_~i~4 82), 35960#(<= ULTIMATE.start_main_~i~4 84), 35961#(<= ULTIMATE.start_main_~i~4 86), 35962#(<= ULTIMATE.start_main_~i~4 88), 35963#(<= ULTIMATE.start_main_~i~4 90), 35964#(<= ULTIMATE.start_main_~i~4 92), 35965#(<= ULTIMATE.start_main_~i~4 94), 35966#(<= ULTIMATE.start_main_~i~4 96), 35967#(<= ULTIMATE.start_main_~i~4 98)] [2018-07-23 13:45:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:45:13,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:45:13,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:45:13,301 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 89 states. [2018-07-23 13:45:13,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:13,368 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:45:13,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:45:13,368 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 176 [2018-07-23 13:45:13,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:13,369 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:45:13,369 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:45:13,370 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:45:13,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:45:13,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:45:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:45:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:45:13,374 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:45:13,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:13,375 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:45:13,375 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:45:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:45:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:45:13,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:13,376 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:45:13,377 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:13,377 INFO L82 PathProgramCache]: Analyzing trace with hash -32307843, now seen corresponding path program 87 times [2018-07-23 13:45:13,377 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,701 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,701 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:45:13,702 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,702 INFO L185 omatonBuilderFactory]: Interpolants [36736#(<= ULTIMATE.start_main_~i~4 18), 36737#(<= ULTIMATE.start_main_~i~4 20), 36738#(<= ULTIMATE.start_main_~i~4 22), 36739#(<= ULTIMATE.start_main_~i~4 24), 36740#(<= ULTIMATE.start_main_~i~4 26), 36741#(<= ULTIMATE.start_main_~i~4 28), 36742#(<= ULTIMATE.start_main_~i~4 30), 36743#(<= ULTIMATE.start_main_~i~4 32), 36744#(<= ULTIMATE.start_main_~i~4 34), 36745#(<= ULTIMATE.start_main_~i~4 36), 36746#(<= ULTIMATE.start_main_~i~4 38), 36747#(<= ULTIMATE.start_main_~i~4 40), 36748#(<= ULTIMATE.start_main_~i~4 42), 36749#(<= ULTIMATE.start_main_~i~4 44), 36750#(<= ULTIMATE.start_main_~i~4 46), 36751#(<= ULTIMATE.start_main_~i~4 48), 36752#(<= ULTIMATE.start_main_~i~4 50), 36753#(<= ULTIMATE.start_main_~i~4 52), 36754#(<= ULTIMATE.start_main_~i~4 54), 36755#(<= ULTIMATE.start_main_~i~4 56), 36756#(<= ULTIMATE.start_main_~i~4 58), 36757#(<= ULTIMATE.start_main_~i~4 60), 36758#(<= ULTIMATE.start_main_~i~4 62), 36759#(<= ULTIMATE.start_main_~i~4 64), 36760#(<= ULTIMATE.start_main_~i~4 66), 36761#(<= ULTIMATE.start_main_~i~4 68), 36762#(<= ULTIMATE.start_main_~i~4 70), 36763#(<= ULTIMATE.start_main_~i~4 72), 36764#(<= ULTIMATE.start_main_~i~4 74), 36765#(<= ULTIMATE.start_main_~i~4 76), 36766#(<= ULTIMATE.start_main_~i~4 78), 36767#(<= ULTIMATE.start_main_~i~4 80), 36768#(<= ULTIMATE.start_main_~i~4 82), 36769#(<= ULTIMATE.start_main_~i~4 84), 36770#(<= ULTIMATE.start_main_~i~4 86), 36771#(<= ULTIMATE.start_main_~i~4 88), 36772#(<= ULTIMATE.start_main_~i~4 90), 36773#(<= ULTIMATE.start_main_~i~4 92), 36774#(<= ULTIMATE.start_main_~i~4 94), 36775#(<= ULTIMATE.start_main_~i~4 96), 36776#(<= ULTIMATE.start_main_~i~4 98), 36777#(<= ULTIMATE.start_main_~i~4 100), 36778#(<= ULTIMATE.start_main_~i~4 102), 36779#(<= ULTIMATE.start_main_~i~4 104), 36780#(<= ULTIMATE.start_main_~i~4 106), 36781#(<= ULTIMATE.start_main_~i~4 108), 36782#(<= ULTIMATE.start_main_~i~4 110), 36783#(<= ULTIMATE.start_main_~i~4 112), 36784#(<= ULTIMATE.start_main_~i~4 114), 36785#(<= ULTIMATE.start_main_~i~4 116), 36786#(<= ULTIMATE.start_main_~i~4 118), 36787#(<= ULTIMATE.start_main_~i~4 120), 36788#(<= ULTIMATE.start_main_~i~4 122), 36789#(<= ULTIMATE.start_main_~i~4 124), 36790#(<= ULTIMATE.start_main_~i~4 126), 36791#(<= ULTIMATE.start_main_~i~4 128), 36792#(<= ULTIMATE.start_main_~i~4 130), 36793#(<= ULTIMATE.start_main_~i~4 132), 36794#(<= ULTIMATE.start_main_~i~4 134), 36795#(<= ULTIMATE.start_main_~i~4 136), 36796#(<= ULTIMATE.start_main_~i~4 138), 36797#(<= ULTIMATE.start_main_~i~4 140), 36798#(<= ULTIMATE.start_main_~i~4 142), 36799#(<= ULTIMATE.start_main_~i~4 144), 36800#(<= ULTIMATE.start_main_~i~4 146), 36801#(<= ULTIMATE.start_main_~i~4 148), 36802#(<= ULTIMATE.start_main_~i~4 150), 36803#(<= ULTIMATE.start_main_~i~4 152), 36804#(<= ULTIMATE.start_main_~i~4 154), 36805#(<= ULTIMATE.start_main_~i~4 156), 36806#(<= ULTIMATE.start_main_~i~4 158), 36807#(<= ULTIMATE.start_main_~i~4 160), 36808#(<= ULTIMATE.start_main_~i~4 162), 36809#(<= ULTIMATE.start_main_~i~4 164), 36810#(<= ULTIMATE.start_main_~i~4 166), 36811#(<= ULTIMATE.start_main_~i~4 168), 36812#(<= ULTIMATE.start_main_~i~4 170), 36813#(<= ULTIMATE.start_main_~i~4 172), 36814#(<= ULTIMATE.start_main_~i~4 174), 36725#true, 36726#false, 36727#(<= ULTIMATE.start_main_~i~4 0), 36728#(<= ULTIMATE.start_main_~i~4 2), 36729#(<= ULTIMATE.start_main_~i~4 4), 36730#(<= ULTIMATE.start_main_~i~4 6), 36731#(<= ULTIMATE.start_main_~i~4 8), 36732#(<= ULTIMATE.start_main_~i~4 10), 36733#(<= ULTIMATE.start_main_~i~4 12), 36734#(<= ULTIMATE.start_main_~i~4 14), 36735#(<= ULTIMATE.start_main_~i~4 16)] [2018-07-23 13:45:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,703 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:45:13,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:45:13,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:45:13,705 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 90 states. [2018-07-23 13:45:13,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:13,881 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:45:13,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:45:13,882 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 178 [2018-07-23 13:45:13,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:13,883 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:45:13,883 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:45:13,884 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:45:13,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:45:13,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:45:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:45:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:45:13,888 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:45:13,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:13,888 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:45:13,888 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:45:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:45:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:45:13,890 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:13,890 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:45:13,891 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:13,891 INFO L82 PathProgramCache]: Analyzing trace with hash -983013961, now seen corresponding path program 88 times [2018-07-23 13:45:13,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,285 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,285 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:45:14,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,286 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 13:45:14,287 INFO L185 omatonBuilderFactory]: Interpolants [37632#(<= ULTIMATE.start_main_~i~4 174), 37633#(<= ULTIMATE.start_main_~i~4 176), 37543#true, 37544#false, 37545#(<= ULTIMATE.start_main_~i~4 0), 37546#(<= ULTIMATE.start_main_~i~4 2), 37547#(<= ULTIMATE.start_main_~i~4 4), 37548#(<= ULTIMATE.start_main_~i~4 6), 37549#(<= ULTIMATE.start_main_~i~4 8), 37550#(<= ULTIMATE.start_main_~i~4 10), 37551#(<= ULTIMATE.start_main_~i~4 12), 37552#(<= ULTIMATE.start_main_~i~4 14), 37553#(<= ULTIMATE.start_main_~i~4 16), 37554#(<= ULTIMATE.start_main_~i~4 18), 37555#(<= ULTIMATE.start_main_~i~4 20), 37556#(<= ULTIMATE.start_main_~i~4 22), 37557#(<= ULTIMATE.start_main_~i~4 24), 37558#(<= ULTIMATE.start_main_~i~4 26), 37559#(<= ULTIMATE.start_main_~i~4 28), 37560#(<= ULTIMATE.start_main_~i~4 30), 37561#(<= ULTIMATE.start_main_~i~4 32), 37562#(<= ULTIMATE.start_main_~i~4 34), 37563#(<= ULTIMATE.start_main_~i~4 36), 37564#(<= ULTIMATE.start_main_~i~4 38), 37565#(<= ULTIMATE.start_main_~i~4 40), 37566#(<= ULTIMATE.start_main_~i~4 42), 37567#(<= ULTIMATE.start_main_~i~4 44), 37568#(<= ULTIMATE.start_main_~i~4 46), 37569#(<= ULTIMATE.start_main_~i~4 48), 37570#(<= ULTIMATE.start_main_~i~4 50), 37571#(<= ULTIMATE.start_main_~i~4 52), 37572#(<= ULTIMATE.start_main_~i~4 54), 37573#(<= ULTIMATE.start_main_~i~4 56), 37574#(<= ULTIMATE.start_main_~i~4 58), 37575#(<= ULTIMATE.start_main_~i~4 60), 37576#(<= ULTIMATE.start_main_~i~4 62), 37577#(<= ULTIMATE.start_main_~i~4 64), 37578#(<= ULTIMATE.start_main_~i~4 66), 37579#(<= ULTIMATE.start_main_~i~4 68), 37580#(<= ULTIMATE.start_main_~i~4 70), 37581#(<= ULTIMATE.start_main_~i~4 72), 37582#(<= ULTIMATE.start_main_~i~4 74), 37583#(<= ULTIMATE.start_main_~i~4 76), 37584#(<= ULTIMATE.start_main_~i~4 78), 37585#(<= ULTIMATE.start_main_~i~4 80), 37586#(<= ULTIMATE.start_main_~i~4 82), 37587#(<= ULTIMATE.start_main_~i~4 84), 37588#(<= ULTIMATE.start_main_~i~4 86), 37589#(<= ULTIMATE.start_main_~i~4 88), 37590#(<= ULTIMATE.start_main_~i~4 90), 37591#(<= ULTIMATE.start_main_~i~4 92), 37592#(<= ULTIMATE.start_main_~i~4 94), 37593#(<= ULTIMATE.start_main_~i~4 96), 37594#(<= ULTIMATE.start_main_~i~4 98), 37595#(<= ULTIMATE.start_main_~i~4 100), 37596#(<= ULTIMATE.start_main_~i~4 102), 37597#(<= ULTIMATE.start_main_~i~4 104), 37598#(<= ULTIMATE.start_main_~i~4 106), 37599#(<= ULTIMATE.start_main_~i~4 108), 37600#(<= ULTIMATE.start_main_~i~4 110), 37601#(<= ULTIMATE.start_main_~i~4 112), 37602#(<= ULTIMATE.start_main_~i~4 114), 37603#(<= ULTIMATE.start_main_~i~4 116), 37604#(<= ULTIMATE.start_main_~i~4 118), 37605#(<= ULTIMATE.start_main_~i~4 120), 37606#(<= ULTIMATE.start_main_~i~4 122), 37607#(<= ULTIMATE.start_main_~i~4 124), 37608#(<= ULTIMATE.start_main_~i~4 126), 37609#(<= ULTIMATE.start_main_~i~4 128), 37610#(<= ULTIMATE.start_main_~i~4 130), 37611#(<= ULTIMATE.start_main_~i~4 132), 37612#(<= ULTIMATE.start_main_~i~4 134), 37613#(<= ULTIMATE.start_main_~i~4 136), 37614#(<= ULTIMATE.start_main_~i~4 138), 37615#(<= ULTIMATE.start_main_~i~4 140), 37616#(<= ULTIMATE.start_main_~i~4 142), 37617#(<= ULTIMATE.start_main_~i~4 144), 37618#(<= ULTIMATE.start_main_~i~4 146), 37619#(<= ULTIMATE.start_main_~i~4 148), 37620#(<= ULTIMATE.start_main_~i~4 150), 37621#(<= ULTIMATE.start_main_~i~4 152), 37622#(<= ULTIMATE.start_main_~i~4 154), 37623#(<= ULTIMATE.start_main_~i~4 156), 37624#(<= ULTIMATE.start_main_~i~4 158), 37625#(<= ULTIMATE.start_main_~i~4 160), 37626#(<= ULTIMATE.start_main_~i~4 162), 37627#(<= ULTIMATE.start_main_~i~4 164), 37628#(<= ULTIMATE.start_main_~i~4 166), 37629#(<= ULTIMATE.start_main_~i~4 168), 37630#(<= ULTIMATE.start_main_~i~4 170), 37631#(<= ULTIMATE.start_main_~i~4 172)] [2018-07-23 13:45:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,288 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:45:14,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:45:14,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:45:14,291 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 91 states. [2018-07-23 13:45:14,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,473 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:45:14,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:45:14,473 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 180 [2018-07-23 13:45:14,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,474 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:45:14,475 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:45:14,475 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:45:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:45:14,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:45:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:45:14,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:45:14,479 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:45:14,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:14,480 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:45:14,480 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:45:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:45:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:45:14,486 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:14,487 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:45:14,487 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:14,487 INFO L82 PathProgramCache]: Analyzing trace with hash 216440689, now seen corresponding path program 89 times [2018-07-23 13:45:14,487 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,878 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,879 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:45:14,879 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,879 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= ULTIMATE.start_main_~i~4 56), 38401#(<= ULTIMATE.start_main_~i~4 58), 38402#(<= ULTIMATE.start_main_~i~4 60), 38403#(<= ULTIMATE.start_main_~i~4 62), 38404#(<= ULTIMATE.start_main_~i~4 64), 38405#(<= ULTIMATE.start_main_~i~4 66), 38406#(<= ULTIMATE.start_main_~i~4 68), 38407#(<= ULTIMATE.start_main_~i~4 70), 38408#(<= ULTIMATE.start_main_~i~4 72), 38409#(<= ULTIMATE.start_main_~i~4 74), 38410#(<= ULTIMATE.start_main_~i~4 76), 38411#(<= ULTIMATE.start_main_~i~4 78), 38412#(<= ULTIMATE.start_main_~i~4 80), 38413#(<= ULTIMATE.start_main_~i~4 82), 38414#(<= ULTIMATE.start_main_~i~4 84), 38415#(<= ULTIMATE.start_main_~i~4 86), 38416#(<= ULTIMATE.start_main_~i~4 88), 38417#(<= ULTIMATE.start_main_~i~4 90), 38418#(<= ULTIMATE.start_main_~i~4 92), 38419#(<= ULTIMATE.start_main_~i~4 94), 38420#(<= ULTIMATE.start_main_~i~4 96), 38421#(<= ULTIMATE.start_main_~i~4 98), 38422#(<= ULTIMATE.start_main_~i~4 100), 38423#(<= ULTIMATE.start_main_~i~4 102), 38424#(<= ULTIMATE.start_main_~i~4 104), 38425#(<= ULTIMATE.start_main_~i~4 106), 38426#(<= ULTIMATE.start_main_~i~4 108), 38427#(<= ULTIMATE.start_main_~i~4 110), 38428#(<= ULTIMATE.start_main_~i~4 112), 38429#(<= ULTIMATE.start_main_~i~4 114), 38430#(<= ULTIMATE.start_main_~i~4 116), 38431#(<= ULTIMATE.start_main_~i~4 118), 38432#(<= ULTIMATE.start_main_~i~4 120), 38433#(<= ULTIMATE.start_main_~i~4 122), 38434#(<= ULTIMATE.start_main_~i~4 124), 38435#(<= ULTIMATE.start_main_~i~4 126), 38436#(<= ULTIMATE.start_main_~i~4 128), 38437#(<= ULTIMATE.start_main_~i~4 130), 38438#(<= ULTIMATE.start_main_~i~4 132), 38439#(<= ULTIMATE.start_main_~i~4 134), 38440#(<= ULTIMATE.start_main_~i~4 136), 38441#(<= ULTIMATE.start_main_~i~4 138), 38442#(<= ULTIMATE.start_main_~i~4 140), 38443#(<= ULTIMATE.start_main_~i~4 142), 38444#(<= ULTIMATE.start_main_~i~4 144), 38445#(<= ULTIMATE.start_main_~i~4 146), 38446#(<= ULTIMATE.start_main_~i~4 148), 38447#(<= ULTIMATE.start_main_~i~4 150), 38448#(<= ULTIMATE.start_main_~i~4 152), 38449#(<= ULTIMATE.start_main_~i~4 154), 38450#(<= ULTIMATE.start_main_~i~4 156), 38451#(<= ULTIMATE.start_main_~i~4 158), 38452#(<= ULTIMATE.start_main_~i~4 160), 38453#(<= ULTIMATE.start_main_~i~4 162), 38454#(<= ULTIMATE.start_main_~i~4 164), 38455#(<= ULTIMATE.start_main_~i~4 166), 38456#(<= ULTIMATE.start_main_~i~4 168), 38457#(<= ULTIMATE.start_main_~i~4 170), 38458#(<= ULTIMATE.start_main_~i~4 172), 38459#(<= ULTIMATE.start_main_~i~4 174), 38460#(<= ULTIMATE.start_main_~i~4 176), 38461#(<= ULTIMATE.start_main_~i~4 178), 38370#true, 38371#false, 38372#(<= ULTIMATE.start_main_~i~4 0), 38373#(<= ULTIMATE.start_main_~i~4 2), 38374#(<= ULTIMATE.start_main_~i~4 4), 38375#(<= ULTIMATE.start_main_~i~4 6), 38376#(<= ULTIMATE.start_main_~i~4 8), 38377#(<= ULTIMATE.start_main_~i~4 10), 38378#(<= ULTIMATE.start_main_~i~4 12), 38379#(<= ULTIMATE.start_main_~i~4 14), 38380#(<= ULTIMATE.start_main_~i~4 16), 38381#(<= ULTIMATE.start_main_~i~4 18), 38382#(<= ULTIMATE.start_main_~i~4 20), 38383#(<= ULTIMATE.start_main_~i~4 22), 38384#(<= ULTIMATE.start_main_~i~4 24), 38385#(<= ULTIMATE.start_main_~i~4 26), 38386#(<= ULTIMATE.start_main_~i~4 28), 38387#(<= ULTIMATE.start_main_~i~4 30), 38388#(<= ULTIMATE.start_main_~i~4 32), 38389#(<= ULTIMATE.start_main_~i~4 34), 38390#(<= ULTIMATE.start_main_~i~4 36), 38391#(<= ULTIMATE.start_main_~i~4 38), 38392#(<= ULTIMATE.start_main_~i~4 40), 38393#(<= ULTIMATE.start_main_~i~4 42), 38394#(<= ULTIMATE.start_main_~i~4 44), 38395#(<= ULTIMATE.start_main_~i~4 46), 38396#(<= ULTIMATE.start_main_~i~4 48), 38397#(<= ULTIMATE.start_main_~i~4 50), 38398#(<= ULTIMATE.start_main_~i~4 52), 38399#(<= ULTIMATE.start_main_~i~4 54)] [2018-07-23 13:45:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,880 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:45:14,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:45:14,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:45:14,882 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 92 states. [2018-07-23 13:45:14,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,993 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:45:14,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:45:14,993 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 182 [2018-07-23 13:45:14,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,994 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:45:14,994 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:45:14,995 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:45:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:45:14,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:45:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:45:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:45:14,999 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:45:15,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,000 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:45:15,000 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:45:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:45:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:45:15,002 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,002 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:45:15,002 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1841124011, now seen corresponding path program 90 times [2018-07-23 13:45:15,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,297 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:15,297 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:45:15,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,298 INFO L185 omatonBuilderFactory]: Interpolants [39296#(<= ULTIMATE.start_main_~i~4 176), 39297#(<= ULTIMATE.start_main_~i~4 178), 39298#(<= ULTIMATE.start_main_~i~4 180), 39206#true, 39207#false, 39208#(<= ULTIMATE.start_main_~i~4 0), 39209#(<= ULTIMATE.start_main_~i~4 2), 39210#(<= ULTIMATE.start_main_~i~4 4), 39211#(<= ULTIMATE.start_main_~i~4 6), 39212#(<= ULTIMATE.start_main_~i~4 8), 39213#(<= ULTIMATE.start_main_~i~4 10), 39214#(<= ULTIMATE.start_main_~i~4 12), 39215#(<= ULTIMATE.start_main_~i~4 14), 39216#(<= ULTIMATE.start_main_~i~4 16), 39217#(<= ULTIMATE.start_main_~i~4 18), 39218#(<= ULTIMATE.start_main_~i~4 20), 39219#(<= ULTIMATE.start_main_~i~4 22), 39220#(<= ULTIMATE.start_main_~i~4 24), 39221#(<= ULTIMATE.start_main_~i~4 26), 39222#(<= ULTIMATE.start_main_~i~4 28), 39223#(<= ULTIMATE.start_main_~i~4 30), 39224#(<= ULTIMATE.start_main_~i~4 32), 39225#(<= ULTIMATE.start_main_~i~4 34), 39226#(<= ULTIMATE.start_main_~i~4 36), 39227#(<= ULTIMATE.start_main_~i~4 38), 39228#(<= ULTIMATE.start_main_~i~4 40), 39229#(<= ULTIMATE.start_main_~i~4 42), 39230#(<= ULTIMATE.start_main_~i~4 44), 39231#(<= ULTIMATE.start_main_~i~4 46), 39232#(<= ULTIMATE.start_main_~i~4 48), 39233#(<= ULTIMATE.start_main_~i~4 50), 39234#(<= ULTIMATE.start_main_~i~4 52), 39235#(<= ULTIMATE.start_main_~i~4 54), 39236#(<= ULTIMATE.start_main_~i~4 56), 39237#(<= ULTIMATE.start_main_~i~4 58), 39238#(<= ULTIMATE.start_main_~i~4 60), 39239#(<= ULTIMATE.start_main_~i~4 62), 39240#(<= ULTIMATE.start_main_~i~4 64), 39241#(<= ULTIMATE.start_main_~i~4 66), 39242#(<= ULTIMATE.start_main_~i~4 68), 39243#(<= ULTIMATE.start_main_~i~4 70), 39244#(<= ULTIMATE.start_main_~i~4 72), 39245#(<= ULTIMATE.start_main_~i~4 74), 39246#(<= ULTIMATE.start_main_~i~4 76), 39247#(<= ULTIMATE.start_main_~i~4 78), 39248#(<= ULTIMATE.start_main_~i~4 80), 39249#(<= ULTIMATE.start_main_~i~4 82), 39250#(<= ULTIMATE.start_main_~i~4 84), 39251#(<= ULTIMATE.start_main_~i~4 86), 39252#(<= ULTIMATE.start_main_~i~4 88), 39253#(<= ULTIMATE.start_main_~i~4 90), 39254#(<= ULTIMATE.start_main_~i~4 92), 39255#(<= ULTIMATE.start_main_~i~4 94), 39256#(<= ULTIMATE.start_main_~i~4 96), 39257#(<= ULTIMATE.start_main_~i~4 98), 39258#(<= ULTIMATE.start_main_~i~4 100), 39259#(<= ULTIMATE.start_main_~i~4 102), 39260#(<= ULTIMATE.start_main_~i~4 104), 39261#(<= ULTIMATE.start_main_~i~4 106), 39262#(<= ULTIMATE.start_main_~i~4 108), 39263#(<= ULTIMATE.start_main_~i~4 110), 39264#(<= ULTIMATE.start_main_~i~4 112), 39265#(<= ULTIMATE.start_main_~i~4 114), 39266#(<= ULTIMATE.start_main_~i~4 116), 39267#(<= ULTIMATE.start_main_~i~4 118), 39268#(<= ULTIMATE.start_main_~i~4 120), 39269#(<= ULTIMATE.start_main_~i~4 122), 39270#(<= ULTIMATE.start_main_~i~4 124), 39271#(<= ULTIMATE.start_main_~i~4 126), 39272#(<= ULTIMATE.start_main_~i~4 128), 39273#(<= ULTIMATE.start_main_~i~4 130), 39274#(<= ULTIMATE.start_main_~i~4 132), 39275#(<= ULTIMATE.start_main_~i~4 134), 39276#(<= ULTIMATE.start_main_~i~4 136), 39277#(<= ULTIMATE.start_main_~i~4 138), 39278#(<= ULTIMATE.start_main_~i~4 140), 39279#(<= ULTIMATE.start_main_~i~4 142), 39280#(<= ULTIMATE.start_main_~i~4 144), 39281#(<= ULTIMATE.start_main_~i~4 146), 39282#(<= ULTIMATE.start_main_~i~4 148), 39283#(<= ULTIMATE.start_main_~i~4 150), 39284#(<= ULTIMATE.start_main_~i~4 152), 39285#(<= ULTIMATE.start_main_~i~4 154), 39286#(<= ULTIMATE.start_main_~i~4 156), 39287#(<= ULTIMATE.start_main_~i~4 158), 39288#(<= ULTIMATE.start_main_~i~4 160), 39289#(<= ULTIMATE.start_main_~i~4 162), 39290#(<= ULTIMATE.start_main_~i~4 164), 39291#(<= ULTIMATE.start_main_~i~4 166), 39292#(<= ULTIMATE.start_main_~i~4 168), 39293#(<= ULTIMATE.start_main_~i~4 170), 39294#(<= ULTIMATE.start_main_~i~4 172), 39295#(<= ULTIMATE.start_main_~i~4 174)] [2018-07-23 13:45:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:45:15,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:45:15,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:45:15,300 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 93 states. [2018-07-23 13:45:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:15,402 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:45:15,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:45:15,402 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 184 [2018-07-23 13:45:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:15,403 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:45:15,403 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:45:15,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:45:15,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:45:15,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:45:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:45:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:45:15,408 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:45:15,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,409 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:45:15,409 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:45:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:45:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:45:15,410 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,410 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:45:15,410 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,410 INFO L82 PathProgramCache]: Analyzing trace with hash -206299291, now seen corresponding path program 91 times [2018-07-23 13:45:15,410 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,724 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:15,724 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:45:15,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,725 INFO L185 omatonBuilderFactory]: Interpolants [40064#(<= ULTIMATE.start_main_~i~4 22), 40065#(<= ULTIMATE.start_main_~i~4 24), 40066#(<= ULTIMATE.start_main_~i~4 26), 40067#(<= ULTIMATE.start_main_~i~4 28), 40068#(<= ULTIMATE.start_main_~i~4 30), 40069#(<= ULTIMATE.start_main_~i~4 32), 40070#(<= ULTIMATE.start_main_~i~4 34), 40071#(<= ULTIMATE.start_main_~i~4 36), 40072#(<= ULTIMATE.start_main_~i~4 38), 40073#(<= ULTIMATE.start_main_~i~4 40), 40074#(<= ULTIMATE.start_main_~i~4 42), 40075#(<= ULTIMATE.start_main_~i~4 44), 40076#(<= ULTIMATE.start_main_~i~4 46), 40077#(<= ULTIMATE.start_main_~i~4 48), 40078#(<= ULTIMATE.start_main_~i~4 50), 40079#(<= ULTIMATE.start_main_~i~4 52), 40080#(<= ULTIMATE.start_main_~i~4 54), 40081#(<= ULTIMATE.start_main_~i~4 56), 40082#(<= ULTIMATE.start_main_~i~4 58), 40083#(<= ULTIMATE.start_main_~i~4 60), 40084#(<= ULTIMATE.start_main_~i~4 62), 40085#(<= ULTIMATE.start_main_~i~4 64), 40086#(<= ULTIMATE.start_main_~i~4 66), 40087#(<= ULTIMATE.start_main_~i~4 68), 40088#(<= ULTIMATE.start_main_~i~4 70), 40089#(<= ULTIMATE.start_main_~i~4 72), 40090#(<= ULTIMATE.start_main_~i~4 74), 40091#(<= ULTIMATE.start_main_~i~4 76), 40092#(<= ULTIMATE.start_main_~i~4 78), 40093#(<= ULTIMATE.start_main_~i~4 80), 40094#(<= ULTIMATE.start_main_~i~4 82), 40095#(<= ULTIMATE.start_main_~i~4 84), 40096#(<= ULTIMATE.start_main_~i~4 86), 40097#(<= ULTIMATE.start_main_~i~4 88), 40098#(<= ULTIMATE.start_main_~i~4 90), 40099#(<= ULTIMATE.start_main_~i~4 92), 40100#(<= ULTIMATE.start_main_~i~4 94), 40101#(<= ULTIMATE.start_main_~i~4 96), 40102#(<= ULTIMATE.start_main_~i~4 98), 40103#(<= ULTIMATE.start_main_~i~4 100), 40104#(<= ULTIMATE.start_main_~i~4 102), 40105#(<= ULTIMATE.start_main_~i~4 104), 40106#(<= ULTIMATE.start_main_~i~4 106), 40107#(<= ULTIMATE.start_main_~i~4 108), 40108#(<= ULTIMATE.start_main_~i~4 110), 40109#(<= ULTIMATE.start_main_~i~4 112), 40110#(<= ULTIMATE.start_main_~i~4 114), 40111#(<= ULTIMATE.start_main_~i~4 116), 40112#(<= ULTIMATE.start_main_~i~4 118), 40113#(<= ULTIMATE.start_main_~i~4 120), 40114#(<= ULTIMATE.start_main_~i~4 122), 40115#(<= ULTIMATE.start_main_~i~4 124), 40116#(<= ULTIMATE.start_main_~i~4 126), 40117#(<= ULTIMATE.start_main_~i~4 128), 40118#(<= ULTIMATE.start_main_~i~4 130), 40119#(<= ULTIMATE.start_main_~i~4 132), 40120#(<= ULTIMATE.start_main_~i~4 134), 40121#(<= ULTIMATE.start_main_~i~4 136), 40122#(<= ULTIMATE.start_main_~i~4 138), 40123#(<= ULTIMATE.start_main_~i~4 140), 40124#(<= ULTIMATE.start_main_~i~4 142), 40125#(<= ULTIMATE.start_main_~i~4 144), 40126#(<= ULTIMATE.start_main_~i~4 146), 40127#(<= ULTIMATE.start_main_~i~4 148), 40128#(<= ULTIMATE.start_main_~i~4 150), 40129#(<= ULTIMATE.start_main_~i~4 152), 40130#(<= ULTIMATE.start_main_~i~4 154), 40131#(<= ULTIMATE.start_main_~i~4 156), 40132#(<= ULTIMATE.start_main_~i~4 158), 40133#(<= ULTIMATE.start_main_~i~4 160), 40134#(<= ULTIMATE.start_main_~i~4 162), 40135#(<= ULTIMATE.start_main_~i~4 164), 40136#(<= ULTIMATE.start_main_~i~4 166), 40137#(<= ULTIMATE.start_main_~i~4 168), 40138#(<= ULTIMATE.start_main_~i~4 170), 40139#(<= ULTIMATE.start_main_~i~4 172), 40140#(<= ULTIMATE.start_main_~i~4 174), 40141#(<= ULTIMATE.start_main_~i~4 176), 40142#(<= ULTIMATE.start_main_~i~4 178), 40143#(<= ULTIMATE.start_main_~i~4 180), 40144#(<= ULTIMATE.start_main_~i~4 182), 40051#true, 40052#false, 40053#(<= ULTIMATE.start_main_~i~4 0), 40054#(<= ULTIMATE.start_main_~i~4 2), 40055#(<= ULTIMATE.start_main_~i~4 4), 40056#(<= ULTIMATE.start_main_~i~4 6), 40057#(<= ULTIMATE.start_main_~i~4 8), 40058#(<= ULTIMATE.start_main_~i~4 10), 40059#(<= ULTIMATE.start_main_~i~4 12), 40060#(<= ULTIMATE.start_main_~i~4 14), 40061#(<= ULTIMATE.start_main_~i~4 16), 40062#(<= ULTIMATE.start_main_~i~4 18), 40063#(<= ULTIMATE.start_main_~i~4 20)] [2018-07-23 13:45:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,726 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:45:15,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:45:15,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:45:15,727 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 94 states. [2018-07-23 13:45:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:15,836 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:45:15,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:45:15,837 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 186 [2018-07-23 13:45:15,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:15,838 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:45:15,838 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:45:15,839 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:45:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:45:15,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:45:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:45:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:45:15,843 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:45:15,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,843 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:45:15,843 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:45:15,843 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:45:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:45:15,844 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,844 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:45:15,845 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,845 INFO L82 PathProgramCache]: Analyzing trace with hash -685070945, now seen corresponding path program 92 times [2018-07-23 13:45:15,845 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:16,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,099 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:16,099 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:45:16,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:16,100 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 13:45:16,100 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= ULTIMATE.start_main_~i~4 106), 40961#(<= ULTIMATE.start_main_~i~4 108), 40962#(<= ULTIMATE.start_main_~i~4 110), 40963#(<= ULTIMATE.start_main_~i~4 112), 40964#(<= ULTIMATE.start_main_~i~4 114), 40965#(<= ULTIMATE.start_main_~i~4 116), 40966#(<= ULTIMATE.start_main_~i~4 118), 40967#(<= ULTIMATE.start_main_~i~4 120), 40968#(<= ULTIMATE.start_main_~i~4 122), 40969#(<= ULTIMATE.start_main_~i~4 124), 40970#(<= ULTIMATE.start_main_~i~4 126), 40971#(<= ULTIMATE.start_main_~i~4 128), 40972#(<= ULTIMATE.start_main_~i~4 130), 40973#(<= ULTIMATE.start_main_~i~4 132), 40974#(<= ULTIMATE.start_main_~i~4 134), 40975#(<= ULTIMATE.start_main_~i~4 136), 40976#(<= ULTIMATE.start_main_~i~4 138), 40977#(<= ULTIMATE.start_main_~i~4 140), 40978#(<= ULTIMATE.start_main_~i~4 142), 40979#(<= ULTIMATE.start_main_~i~4 144), 40980#(<= ULTIMATE.start_main_~i~4 146), 40981#(<= ULTIMATE.start_main_~i~4 148), 40982#(<= ULTIMATE.start_main_~i~4 150), 40983#(<= ULTIMATE.start_main_~i~4 152), 40984#(<= ULTIMATE.start_main_~i~4 154), 40985#(<= ULTIMATE.start_main_~i~4 156), 40986#(<= ULTIMATE.start_main_~i~4 158), 40987#(<= ULTIMATE.start_main_~i~4 160), 40988#(<= ULTIMATE.start_main_~i~4 162), 40989#(<= ULTIMATE.start_main_~i~4 164), 40990#(<= ULTIMATE.start_main_~i~4 166), 40991#(<= ULTIMATE.start_main_~i~4 168), 40992#(<= ULTIMATE.start_main_~i~4 170), 40993#(<= ULTIMATE.start_main_~i~4 172), 40994#(<= ULTIMATE.start_main_~i~4 174), 40995#(<= ULTIMATE.start_main_~i~4 176), 40996#(<= ULTIMATE.start_main_~i~4 178), 40997#(<= ULTIMATE.start_main_~i~4 180), 40998#(<= ULTIMATE.start_main_~i~4 182), 40999#(<= ULTIMATE.start_main_~i~4 184), 40905#true, 40906#false, 40907#(<= ULTIMATE.start_main_~i~4 0), 40908#(<= ULTIMATE.start_main_~i~4 2), 40909#(<= ULTIMATE.start_main_~i~4 4), 40910#(<= ULTIMATE.start_main_~i~4 6), 40911#(<= ULTIMATE.start_main_~i~4 8), 40912#(<= ULTIMATE.start_main_~i~4 10), 40913#(<= ULTIMATE.start_main_~i~4 12), 40914#(<= ULTIMATE.start_main_~i~4 14), 40915#(<= ULTIMATE.start_main_~i~4 16), 40916#(<= ULTIMATE.start_main_~i~4 18), 40917#(<= ULTIMATE.start_main_~i~4 20), 40918#(<= ULTIMATE.start_main_~i~4 22), 40919#(<= ULTIMATE.start_main_~i~4 24), 40920#(<= ULTIMATE.start_main_~i~4 26), 40921#(<= ULTIMATE.start_main_~i~4 28), 40922#(<= ULTIMATE.start_main_~i~4 30), 40923#(<= ULTIMATE.start_main_~i~4 32), 40924#(<= ULTIMATE.start_main_~i~4 34), 40925#(<= ULTIMATE.start_main_~i~4 36), 40926#(<= ULTIMATE.start_main_~i~4 38), 40927#(<= ULTIMATE.start_main_~i~4 40), 40928#(<= ULTIMATE.start_main_~i~4 42), 40929#(<= ULTIMATE.start_main_~i~4 44), 40930#(<= ULTIMATE.start_main_~i~4 46), 40931#(<= ULTIMATE.start_main_~i~4 48), 40932#(<= ULTIMATE.start_main_~i~4 50), 40933#(<= ULTIMATE.start_main_~i~4 52), 40934#(<= ULTIMATE.start_main_~i~4 54), 40935#(<= ULTIMATE.start_main_~i~4 56), 40936#(<= ULTIMATE.start_main_~i~4 58), 40937#(<= ULTIMATE.start_main_~i~4 60), 40938#(<= ULTIMATE.start_main_~i~4 62), 40939#(<= ULTIMATE.start_main_~i~4 64), 40940#(<= ULTIMATE.start_main_~i~4 66), 40941#(<= ULTIMATE.start_main_~i~4 68), 40942#(<= ULTIMATE.start_main_~i~4 70), 40943#(<= ULTIMATE.start_main_~i~4 72), 40944#(<= ULTIMATE.start_main_~i~4 74), 40945#(<= ULTIMATE.start_main_~i~4 76), 40946#(<= ULTIMATE.start_main_~i~4 78), 40947#(<= ULTIMATE.start_main_~i~4 80), 40948#(<= ULTIMATE.start_main_~i~4 82), 40949#(<= ULTIMATE.start_main_~i~4 84), 40950#(<= ULTIMATE.start_main_~i~4 86), 40951#(<= ULTIMATE.start_main_~i~4 88), 40952#(<= ULTIMATE.start_main_~i~4 90), 40953#(<= ULTIMATE.start_main_~i~4 92), 40954#(<= ULTIMATE.start_main_~i~4 94), 40955#(<= ULTIMATE.start_main_~i~4 96), 40956#(<= ULTIMATE.start_main_~i~4 98), 40957#(<= ULTIMATE.start_main_~i~4 100), 40958#(<= ULTIMATE.start_main_~i~4 102), 40959#(<= ULTIMATE.start_main_~i~4 104)] [2018-07-23 13:45:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:45:16,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:45:16,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:45:16,102 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 95 states. [2018-07-23 13:45:16,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:16,169 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:45:16,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:45:16,169 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 188 [2018-07-23 13:45:16,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:16,170 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:45:16,170 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:45:16,170 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:45:16,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:45:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:45:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:45:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:45:16,174 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:45:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:16,175 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:45:16,175 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:45:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:45:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:45:16,176 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:16,176 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:45:16,176 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:16,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1223129767, now seen corresponding path program 93 times [2018-07-23 13:45:16,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,523 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:16,523 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:45:16,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:16,524 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 13:45:16,524 INFO L185 omatonBuilderFactory]: Interpolants [41856#(<= ULTIMATE.start_main_~i~4 172), 41857#(<= ULTIMATE.start_main_~i~4 174), 41858#(<= ULTIMATE.start_main_~i~4 176), 41859#(<= ULTIMATE.start_main_~i~4 178), 41860#(<= ULTIMATE.start_main_~i~4 180), 41861#(<= ULTIMATE.start_main_~i~4 182), 41862#(<= ULTIMATE.start_main_~i~4 184), 41863#(<= ULTIMATE.start_main_~i~4 186), 41768#true, 41769#false, 41770#(<= ULTIMATE.start_main_~i~4 0), 41771#(<= ULTIMATE.start_main_~i~4 2), 41772#(<= ULTIMATE.start_main_~i~4 4), 41773#(<= ULTIMATE.start_main_~i~4 6), 41774#(<= ULTIMATE.start_main_~i~4 8), 41775#(<= ULTIMATE.start_main_~i~4 10), 41776#(<= ULTIMATE.start_main_~i~4 12), 41777#(<= ULTIMATE.start_main_~i~4 14), 41778#(<= ULTIMATE.start_main_~i~4 16), 41779#(<= ULTIMATE.start_main_~i~4 18), 41780#(<= ULTIMATE.start_main_~i~4 20), 41781#(<= ULTIMATE.start_main_~i~4 22), 41782#(<= ULTIMATE.start_main_~i~4 24), 41783#(<= ULTIMATE.start_main_~i~4 26), 41784#(<= ULTIMATE.start_main_~i~4 28), 41785#(<= ULTIMATE.start_main_~i~4 30), 41786#(<= ULTIMATE.start_main_~i~4 32), 41787#(<= ULTIMATE.start_main_~i~4 34), 41788#(<= ULTIMATE.start_main_~i~4 36), 41789#(<= ULTIMATE.start_main_~i~4 38), 41790#(<= ULTIMATE.start_main_~i~4 40), 41791#(<= ULTIMATE.start_main_~i~4 42), 41792#(<= ULTIMATE.start_main_~i~4 44), 41793#(<= ULTIMATE.start_main_~i~4 46), 41794#(<= ULTIMATE.start_main_~i~4 48), 41795#(<= ULTIMATE.start_main_~i~4 50), 41796#(<= ULTIMATE.start_main_~i~4 52), 41797#(<= ULTIMATE.start_main_~i~4 54), 41798#(<= ULTIMATE.start_main_~i~4 56), 41799#(<= ULTIMATE.start_main_~i~4 58), 41800#(<= ULTIMATE.start_main_~i~4 60), 41801#(<= ULTIMATE.start_main_~i~4 62), 41802#(<= ULTIMATE.start_main_~i~4 64), 41803#(<= ULTIMATE.start_main_~i~4 66), 41804#(<= ULTIMATE.start_main_~i~4 68), 41805#(<= ULTIMATE.start_main_~i~4 70), 41806#(<= ULTIMATE.start_main_~i~4 72), 41807#(<= ULTIMATE.start_main_~i~4 74), 41808#(<= ULTIMATE.start_main_~i~4 76), 41809#(<= ULTIMATE.start_main_~i~4 78), 41810#(<= ULTIMATE.start_main_~i~4 80), 41811#(<= ULTIMATE.start_main_~i~4 82), 41812#(<= ULTIMATE.start_main_~i~4 84), 41813#(<= ULTIMATE.start_main_~i~4 86), 41814#(<= ULTIMATE.start_main_~i~4 88), 41815#(<= ULTIMATE.start_main_~i~4 90), 41816#(<= ULTIMATE.start_main_~i~4 92), 41817#(<= ULTIMATE.start_main_~i~4 94), 41818#(<= ULTIMATE.start_main_~i~4 96), 41819#(<= ULTIMATE.start_main_~i~4 98), 41820#(<= ULTIMATE.start_main_~i~4 100), 41821#(<= ULTIMATE.start_main_~i~4 102), 41822#(<= ULTIMATE.start_main_~i~4 104), 41823#(<= ULTIMATE.start_main_~i~4 106), 41824#(<= ULTIMATE.start_main_~i~4 108), 41825#(<= ULTIMATE.start_main_~i~4 110), 41826#(<= ULTIMATE.start_main_~i~4 112), 41827#(<= ULTIMATE.start_main_~i~4 114), 41828#(<= ULTIMATE.start_main_~i~4 116), 41829#(<= ULTIMATE.start_main_~i~4 118), 41830#(<= ULTIMATE.start_main_~i~4 120), 41831#(<= ULTIMATE.start_main_~i~4 122), 41832#(<= ULTIMATE.start_main_~i~4 124), 41833#(<= ULTIMATE.start_main_~i~4 126), 41834#(<= ULTIMATE.start_main_~i~4 128), 41835#(<= ULTIMATE.start_main_~i~4 130), 41836#(<= ULTIMATE.start_main_~i~4 132), 41837#(<= ULTIMATE.start_main_~i~4 134), 41838#(<= ULTIMATE.start_main_~i~4 136), 41839#(<= ULTIMATE.start_main_~i~4 138), 41840#(<= ULTIMATE.start_main_~i~4 140), 41841#(<= ULTIMATE.start_main_~i~4 142), 41842#(<= ULTIMATE.start_main_~i~4 144), 41843#(<= ULTIMATE.start_main_~i~4 146), 41844#(<= ULTIMATE.start_main_~i~4 148), 41845#(<= ULTIMATE.start_main_~i~4 150), 41846#(<= ULTIMATE.start_main_~i~4 152), 41847#(<= ULTIMATE.start_main_~i~4 154), 41848#(<= ULTIMATE.start_main_~i~4 156), 41849#(<= ULTIMATE.start_main_~i~4 158), 41850#(<= ULTIMATE.start_main_~i~4 160), 41851#(<= ULTIMATE.start_main_~i~4 162), 41852#(<= ULTIMATE.start_main_~i~4 164), 41853#(<= ULTIMATE.start_main_~i~4 166), 41854#(<= ULTIMATE.start_main_~i~4 168), 41855#(<= ULTIMATE.start_main_~i~4 170)] [2018-07-23 13:45:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,525 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:45:16,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:45:16,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:45:16,526 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 96 states. [2018-07-23 13:45:16,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:16,631 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:45:16,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:45:16,631 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 190 [2018-07-23 13:45:16,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:16,633 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:45:16,633 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:45:16,634 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:45:16,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:45:16,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:45:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:45:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:45:16,639 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:45:16,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:16,639 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:45:16,639 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:45:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:45:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:45:16,640 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:16,641 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:45:16,641 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:16,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1393385107, now seen corresponding path program 94 times [2018-07-23 13:45:16,641 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:16,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,927 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:16,927 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:45:16,927 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,928 INFO L185 omatonBuilderFactory]: Interpolants [42640#true, 42641#false, 42642#(<= ULTIMATE.start_main_~i~4 0), 42643#(<= ULTIMATE.start_main_~i~4 2), 42644#(<= ULTIMATE.start_main_~i~4 4), 42645#(<= ULTIMATE.start_main_~i~4 6), 42646#(<= ULTIMATE.start_main_~i~4 8), 42647#(<= ULTIMATE.start_main_~i~4 10), 42648#(<= ULTIMATE.start_main_~i~4 12), 42649#(<= ULTIMATE.start_main_~i~4 14), 42650#(<= ULTIMATE.start_main_~i~4 16), 42651#(<= ULTIMATE.start_main_~i~4 18), 42652#(<= ULTIMATE.start_main_~i~4 20), 42653#(<= ULTIMATE.start_main_~i~4 22), 42654#(<= ULTIMATE.start_main_~i~4 24), 42655#(<= ULTIMATE.start_main_~i~4 26), 42656#(<= ULTIMATE.start_main_~i~4 28), 42657#(<= ULTIMATE.start_main_~i~4 30), 42658#(<= ULTIMATE.start_main_~i~4 32), 42659#(<= ULTIMATE.start_main_~i~4 34), 42660#(<= ULTIMATE.start_main_~i~4 36), 42661#(<= ULTIMATE.start_main_~i~4 38), 42662#(<= ULTIMATE.start_main_~i~4 40), 42663#(<= ULTIMATE.start_main_~i~4 42), 42664#(<= ULTIMATE.start_main_~i~4 44), 42665#(<= ULTIMATE.start_main_~i~4 46), 42666#(<= ULTIMATE.start_main_~i~4 48), 42667#(<= ULTIMATE.start_main_~i~4 50), 42668#(<= ULTIMATE.start_main_~i~4 52), 42669#(<= ULTIMATE.start_main_~i~4 54), 42670#(<= ULTIMATE.start_main_~i~4 56), 42671#(<= ULTIMATE.start_main_~i~4 58), 42672#(<= ULTIMATE.start_main_~i~4 60), 42673#(<= ULTIMATE.start_main_~i~4 62), 42674#(<= ULTIMATE.start_main_~i~4 64), 42675#(<= ULTIMATE.start_main_~i~4 66), 42676#(<= ULTIMATE.start_main_~i~4 68), 42677#(<= ULTIMATE.start_main_~i~4 70), 42678#(<= ULTIMATE.start_main_~i~4 72), 42679#(<= ULTIMATE.start_main_~i~4 74), 42680#(<= ULTIMATE.start_main_~i~4 76), 42681#(<= ULTIMATE.start_main_~i~4 78), 42682#(<= ULTIMATE.start_main_~i~4 80), 42683#(<= ULTIMATE.start_main_~i~4 82), 42684#(<= ULTIMATE.start_main_~i~4 84), 42685#(<= ULTIMATE.start_main_~i~4 86), 42686#(<= ULTIMATE.start_main_~i~4 88), 42687#(<= ULTIMATE.start_main_~i~4 90), 42688#(<= ULTIMATE.start_main_~i~4 92), 42689#(<= ULTIMATE.start_main_~i~4 94), 42690#(<= ULTIMATE.start_main_~i~4 96), 42691#(<= ULTIMATE.start_main_~i~4 98), 42692#(<= ULTIMATE.start_main_~i~4 100), 42693#(<= ULTIMATE.start_main_~i~4 102), 42694#(<= ULTIMATE.start_main_~i~4 104), 42695#(<= ULTIMATE.start_main_~i~4 106), 42696#(<= ULTIMATE.start_main_~i~4 108), 42697#(<= ULTIMATE.start_main_~i~4 110), 42698#(<= ULTIMATE.start_main_~i~4 112), 42699#(<= ULTIMATE.start_main_~i~4 114), 42700#(<= ULTIMATE.start_main_~i~4 116), 42701#(<= ULTIMATE.start_main_~i~4 118), 42702#(<= ULTIMATE.start_main_~i~4 120), 42703#(<= ULTIMATE.start_main_~i~4 122), 42704#(<= ULTIMATE.start_main_~i~4 124), 42705#(<= ULTIMATE.start_main_~i~4 126), 42706#(<= ULTIMATE.start_main_~i~4 128), 42707#(<= ULTIMATE.start_main_~i~4 130), 42708#(<= ULTIMATE.start_main_~i~4 132), 42709#(<= ULTIMATE.start_main_~i~4 134), 42710#(<= ULTIMATE.start_main_~i~4 136), 42711#(<= ULTIMATE.start_main_~i~4 138), 42712#(<= ULTIMATE.start_main_~i~4 140), 42713#(<= ULTIMATE.start_main_~i~4 142), 42714#(<= ULTIMATE.start_main_~i~4 144), 42715#(<= ULTIMATE.start_main_~i~4 146), 42716#(<= ULTIMATE.start_main_~i~4 148), 42717#(<= ULTIMATE.start_main_~i~4 150), 42718#(<= ULTIMATE.start_main_~i~4 152), 42719#(<= ULTIMATE.start_main_~i~4 154), 42720#(<= ULTIMATE.start_main_~i~4 156), 42721#(<= ULTIMATE.start_main_~i~4 158), 42722#(<= ULTIMATE.start_main_~i~4 160), 42723#(<= ULTIMATE.start_main_~i~4 162), 42724#(<= ULTIMATE.start_main_~i~4 164), 42725#(<= ULTIMATE.start_main_~i~4 166), 42726#(<= ULTIMATE.start_main_~i~4 168), 42727#(<= ULTIMATE.start_main_~i~4 170), 42728#(<= ULTIMATE.start_main_~i~4 172), 42729#(<= ULTIMATE.start_main_~i~4 174), 42730#(<= ULTIMATE.start_main_~i~4 176), 42731#(<= ULTIMATE.start_main_~i~4 178), 42732#(<= ULTIMATE.start_main_~i~4 180), 42733#(<= ULTIMATE.start_main_~i~4 182), 42734#(<= ULTIMATE.start_main_~i~4 184), 42735#(<= ULTIMATE.start_main_~i~4 186), 42736#(<= ULTIMATE.start_main_~i~4 188)] [2018-07-23 13:45:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:45:16,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:45:16,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:45:16,930 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 97 states. [2018-07-23 13:45:17,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,057 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:45:17,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:45:17,057 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 192 [2018-07-23 13:45:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,058 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:45:17,058 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:45:17,059 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:45:17,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:45:17,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:45:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:45:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:45:17,063 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:45:17,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,064 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:45:17,064 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:45:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:45:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:45:17,065 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,065 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:45:17,065 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,065 INFO L82 PathProgramCache]: Analyzing trace with hash -986656435, now seen corresponding path program 95 times [2018-07-23 13:45:17,066 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,299 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:17,299 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:45:17,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,300 INFO L185 omatonBuilderFactory]: Interpolants [43521#true, 43522#false, 43523#(<= ULTIMATE.start_main_~i~4 0), 43524#(<= ULTIMATE.start_main_~i~4 2), 43525#(<= ULTIMATE.start_main_~i~4 4), 43526#(<= ULTIMATE.start_main_~i~4 6), 43527#(<= ULTIMATE.start_main_~i~4 8), 43528#(<= ULTIMATE.start_main_~i~4 10), 43529#(<= ULTIMATE.start_main_~i~4 12), 43530#(<= ULTIMATE.start_main_~i~4 14), 43531#(<= ULTIMATE.start_main_~i~4 16), 43532#(<= ULTIMATE.start_main_~i~4 18), 43533#(<= ULTIMATE.start_main_~i~4 20), 43534#(<= ULTIMATE.start_main_~i~4 22), 43535#(<= ULTIMATE.start_main_~i~4 24), 43536#(<= ULTIMATE.start_main_~i~4 26), 43537#(<= ULTIMATE.start_main_~i~4 28), 43538#(<= ULTIMATE.start_main_~i~4 30), 43539#(<= ULTIMATE.start_main_~i~4 32), 43540#(<= ULTIMATE.start_main_~i~4 34), 43541#(<= ULTIMATE.start_main_~i~4 36), 43542#(<= ULTIMATE.start_main_~i~4 38), 43543#(<= ULTIMATE.start_main_~i~4 40), 43544#(<= ULTIMATE.start_main_~i~4 42), 43545#(<= ULTIMATE.start_main_~i~4 44), 43546#(<= ULTIMATE.start_main_~i~4 46), 43547#(<= ULTIMATE.start_main_~i~4 48), 43548#(<= ULTIMATE.start_main_~i~4 50), 43549#(<= ULTIMATE.start_main_~i~4 52), 43550#(<= ULTIMATE.start_main_~i~4 54), 43551#(<= ULTIMATE.start_main_~i~4 56), 43552#(<= ULTIMATE.start_main_~i~4 58), 43553#(<= ULTIMATE.start_main_~i~4 60), 43554#(<= ULTIMATE.start_main_~i~4 62), 43555#(<= ULTIMATE.start_main_~i~4 64), 43556#(<= ULTIMATE.start_main_~i~4 66), 43557#(<= ULTIMATE.start_main_~i~4 68), 43558#(<= ULTIMATE.start_main_~i~4 70), 43559#(<= ULTIMATE.start_main_~i~4 72), 43560#(<= ULTIMATE.start_main_~i~4 74), 43561#(<= ULTIMATE.start_main_~i~4 76), 43562#(<= ULTIMATE.start_main_~i~4 78), 43563#(<= ULTIMATE.start_main_~i~4 80), 43564#(<= ULTIMATE.start_main_~i~4 82), 43565#(<= ULTIMATE.start_main_~i~4 84), 43566#(<= ULTIMATE.start_main_~i~4 86), 43567#(<= ULTIMATE.start_main_~i~4 88), 43568#(<= ULTIMATE.start_main_~i~4 90), 43569#(<= ULTIMATE.start_main_~i~4 92), 43570#(<= ULTIMATE.start_main_~i~4 94), 43571#(<= ULTIMATE.start_main_~i~4 96), 43572#(<= ULTIMATE.start_main_~i~4 98), 43573#(<= ULTIMATE.start_main_~i~4 100), 43574#(<= ULTIMATE.start_main_~i~4 102), 43575#(<= ULTIMATE.start_main_~i~4 104), 43576#(<= ULTIMATE.start_main_~i~4 106), 43577#(<= ULTIMATE.start_main_~i~4 108), 43578#(<= ULTIMATE.start_main_~i~4 110), 43579#(<= ULTIMATE.start_main_~i~4 112), 43580#(<= ULTIMATE.start_main_~i~4 114), 43581#(<= ULTIMATE.start_main_~i~4 116), 43582#(<= ULTIMATE.start_main_~i~4 118), 43583#(<= ULTIMATE.start_main_~i~4 120), 43584#(<= ULTIMATE.start_main_~i~4 122), 43585#(<= ULTIMATE.start_main_~i~4 124), 43586#(<= ULTIMATE.start_main_~i~4 126), 43587#(<= ULTIMATE.start_main_~i~4 128), 43588#(<= ULTIMATE.start_main_~i~4 130), 43589#(<= ULTIMATE.start_main_~i~4 132), 43590#(<= ULTIMATE.start_main_~i~4 134), 43591#(<= ULTIMATE.start_main_~i~4 136), 43592#(<= ULTIMATE.start_main_~i~4 138), 43593#(<= ULTIMATE.start_main_~i~4 140), 43594#(<= ULTIMATE.start_main_~i~4 142), 43595#(<= ULTIMATE.start_main_~i~4 144), 43596#(<= ULTIMATE.start_main_~i~4 146), 43597#(<= ULTIMATE.start_main_~i~4 148), 43598#(<= ULTIMATE.start_main_~i~4 150), 43599#(<= ULTIMATE.start_main_~i~4 152), 43600#(<= ULTIMATE.start_main_~i~4 154), 43601#(<= ULTIMATE.start_main_~i~4 156), 43602#(<= ULTIMATE.start_main_~i~4 158), 43603#(<= ULTIMATE.start_main_~i~4 160), 43604#(<= ULTIMATE.start_main_~i~4 162), 43605#(<= ULTIMATE.start_main_~i~4 164), 43606#(<= ULTIMATE.start_main_~i~4 166), 43607#(<= ULTIMATE.start_main_~i~4 168), 43608#(<= ULTIMATE.start_main_~i~4 170), 43609#(<= ULTIMATE.start_main_~i~4 172), 43610#(<= ULTIMATE.start_main_~i~4 174), 43611#(<= ULTIMATE.start_main_~i~4 176), 43612#(<= ULTIMATE.start_main_~i~4 178), 43613#(<= ULTIMATE.start_main_~i~4 180), 43614#(<= ULTIMATE.start_main_~i~4 182), 43615#(<= ULTIMATE.start_main_~i~4 184), 43616#(<= ULTIMATE.start_main_~i~4 186), 43617#(<= ULTIMATE.start_main_~i~4 188), 43618#(<= ULTIMATE.start_main_~i~4 190)] [2018-07-23 13:45:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,300 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:45:17,301 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:45:17,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:45:17,302 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 98 states. [2018-07-23 13:45:17,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,432 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:45:17,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:45:17,432 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 194 [2018-07-23 13:45:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,433 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:45:17,433 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:45:17,433 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:45:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:45:17,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:45:17,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:45:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:45:17,437 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:45:17,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,438 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:45:17,438 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:45:17,438 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:45:17,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:45:17,439 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,439 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:45:17,439 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1010990471, now seen corresponding path program 96 times [2018-07-23 13:45:17,440 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,735 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:17,735 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:45:17,735 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:17,736 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 13:45:17,736 INFO L185 omatonBuilderFactory]: Interpolants [44411#true, 44412#false, 44413#(<= ULTIMATE.start_main_~i~4 0), 44414#(<= ULTIMATE.start_main_~i~4 2), 44415#(<= ULTIMATE.start_main_~i~4 4), 44416#(<= ULTIMATE.start_main_~i~4 6), 44417#(<= ULTIMATE.start_main_~i~4 8), 44418#(<= ULTIMATE.start_main_~i~4 10), 44419#(<= ULTIMATE.start_main_~i~4 12), 44420#(<= ULTIMATE.start_main_~i~4 14), 44421#(<= ULTIMATE.start_main_~i~4 16), 44422#(<= ULTIMATE.start_main_~i~4 18), 44423#(<= ULTIMATE.start_main_~i~4 20), 44424#(<= ULTIMATE.start_main_~i~4 22), 44425#(<= ULTIMATE.start_main_~i~4 24), 44426#(<= ULTIMATE.start_main_~i~4 26), 44427#(<= ULTIMATE.start_main_~i~4 28), 44428#(<= ULTIMATE.start_main_~i~4 30), 44429#(<= ULTIMATE.start_main_~i~4 32), 44430#(<= ULTIMATE.start_main_~i~4 34), 44431#(<= ULTIMATE.start_main_~i~4 36), 44432#(<= ULTIMATE.start_main_~i~4 38), 44433#(<= ULTIMATE.start_main_~i~4 40), 44434#(<= ULTIMATE.start_main_~i~4 42), 44435#(<= ULTIMATE.start_main_~i~4 44), 44436#(<= ULTIMATE.start_main_~i~4 46), 44437#(<= ULTIMATE.start_main_~i~4 48), 44438#(<= ULTIMATE.start_main_~i~4 50), 44439#(<= ULTIMATE.start_main_~i~4 52), 44440#(<= ULTIMATE.start_main_~i~4 54), 44441#(<= ULTIMATE.start_main_~i~4 56), 44442#(<= ULTIMATE.start_main_~i~4 58), 44443#(<= ULTIMATE.start_main_~i~4 60), 44444#(<= ULTIMATE.start_main_~i~4 62), 44445#(<= ULTIMATE.start_main_~i~4 64), 44446#(<= ULTIMATE.start_main_~i~4 66), 44447#(<= ULTIMATE.start_main_~i~4 68), 44448#(<= ULTIMATE.start_main_~i~4 70), 44449#(<= ULTIMATE.start_main_~i~4 72), 44450#(<= ULTIMATE.start_main_~i~4 74), 44451#(<= ULTIMATE.start_main_~i~4 76), 44452#(<= ULTIMATE.start_main_~i~4 78), 44453#(<= ULTIMATE.start_main_~i~4 80), 44454#(<= ULTIMATE.start_main_~i~4 82), 44455#(<= ULTIMATE.start_main_~i~4 84), 44456#(<= ULTIMATE.start_main_~i~4 86), 44457#(<= ULTIMATE.start_main_~i~4 88), 44458#(<= ULTIMATE.start_main_~i~4 90), 44459#(<= ULTIMATE.start_main_~i~4 92), 44460#(<= ULTIMATE.start_main_~i~4 94), 44461#(<= ULTIMATE.start_main_~i~4 96), 44462#(<= ULTIMATE.start_main_~i~4 98), 44463#(<= ULTIMATE.start_main_~i~4 100), 44464#(<= ULTIMATE.start_main_~i~4 102), 44465#(<= ULTIMATE.start_main_~i~4 104), 44466#(<= ULTIMATE.start_main_~i~4 106), 44467#(<= ULTIMATE.start_main_~i~4 108), 44468#(<= ULTIMATE.start_main_~i~4 110), 44469#(<= ULTIMATE.start_main_~i~4 112), 44470#(<= ULTIMATE.start_main_~i~4 114), 44471#(<= ULTIMATE.start_main_~i~4 116), 44472#(<= ULTIMATE.start_main_~i~4 118), 44473#(<= ULTIMATE.start_main_~i~4 120), 44474#(<= ULTIMATE.start_main_~i~4 122), 44475#(<= ULTIMATE.start_main_~i~4 124), 44476#(<= ULTIMATE.start_main_~i~4 126), 44477#(<= ULTIMATE.start_main_~i~4 128), 44478#(<= ULTIMATE.start_main_~i~4 130), 44479#(<= ULTIMATE.start_main_~i~4 132), 44480#(<= ULTIMATE.start_main_~i~4 134), 44481#(<= ULTIMATE.start_main_~i~4 136), 44482#(<= ULTIMATE.start_main_~i~4 138), 44483#(<= ULTIMATE.start_main_~i~4 140), 44484#(<= ULTIMATE.start_main_~i~4 142), 44485#(<= ULTIMATE.start_main_~i~4 144), 44486#(<= ULTIMATE.start_main_~i~4 146), 44487#(<= ULTIMATE.start_main_~i~4 148), 44488#(<= ULTIMATE.start_main_~i~4 150), 44489#(<= ULTIMATE.start_main_~i~4 152), 44490#(<= ULTIMATE.start_main_~i~4 154), 44491#(<= ULTIMATE.start_main_~i~4 156), 44492#(<= ULTIMATE.start_main_~i~4 158), 44493#(<= ULTIMATE.start_main_~i~4 160), 44494#(<= ULTIMATE.start_main_~i~4 162), 44495#(<= ULTIMATE.start_main_~i~4 164), 44496#(<= ULTIMATE.start_main_~i~4 166), 44497#(<= ULTIMATE.start_main_~i~4 168), 44498#(<= ULTIMATE.start_main_~i~4 170), 44499#(<= ULTIMATE.start_main_~i~4 172), 44500#(<= ULTIMATE.start_main_~i~4 174), 44501#(<= ULTIMATE.start_main_~i~4 176), 44502#(<= ULTIMATE.start_main_~i~4 178), 44503#(<= ULTIMATE.start_main_~i~4 180), 44504#(<= ULTIMATE.start_main_~i~4 182), 44505#(<= ULTIMATE.start_main_~i~4 184), 44506#(<= ULTIMATE.start_main_~i~4 186), 44507#(<= ULTIMATE.start_main_~i~4 188), 44508#(<= ULTIMATE.start_main_~i~4 190), 44509#(<= ULTIMATE.start_main_~i~4 192)] [2018-07-23 13:45:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,737 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:45:17,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:45:17,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:45:17,738 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 99 states. [2018-07-23 13:45:17,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,877 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:45:17,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:45:17,877 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 196 [2018-07-23 13:45:17,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,878 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:45:17,878 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:45:17,878 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:45:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:45:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:45:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:45:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:45:17,883 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:45:17,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,883 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:45:17,883 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:45:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:45:17,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:45:17,884 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,884 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:45:17,884 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,885 INFO L82 PathProgramCache]: Analyzing trace with hash 899285825, now seen corresponding path program 97 times [2018-07-23 13:45:17,885 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,164 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:18,164 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:45:18,164 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:18,164 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 13:45:18,164 INFO L185 omatonBuilderFactory]: Interpolants [45312#(<= ULTIMATE.start_main_~i~4 0), 45313#(<= ULTIMATE.start_main_~i~4 2), 45314#(<= ULTIMATE.start_main_~i~4 4), 45315#(<= ULTIMATE.start_main_~i~4 6), 45316#(<= ULTIMATE.start_main_~i~4 8), 45317#(<= ULTIMATE.start_main_~i~4 10), 45318#(<= ULTIMATE.start_main_~i~4 12), 45319#(<= ULTIMATE.start_main_~i~4 14), 45320#(<= ULTIMATE.start_main_~i~4 16), 45321#(<= ULTIMATE.start_main_~i~4 18), 45322#(<= ULTIMATE.start_main_~i~4 20), 45323#(<= ULTIMATE.start_main_~i~4 22), 45324#(<= ULTIMATE.start_main_~i~4 24), 45325#(<= ULTIMATE.start_main_~i~4 26), 45326#(<= ULTIMATE.start_main_~i~4 28), 45327#(<= ULTIMATE.start_main_~i~4 30), 45328#(<= ULTIMATE.start_main_~i~4 32), 45329#(<= ULTIMATE.start_main_~i~4 34), 45330#(<= ULTIMATE.start_main_~i~4 36), 45331#(<= ULTIMATE.start_main_~i~4 38), 45332#(<= ULTIMATE.start_main_~i~4 40), 45333#(<= ULTIMATE.start_main_~i~4 42), 45334#(<= ULTIMATE.start_main_~i~4 44), 45335#(<= ULTIMATE.start_main_~i~4 46), 45336#(<= ULTIMATE.start_main_~i~4 48), 45337#(<= ULTIMATE.start_main_~i~4 50), 45338#(<= ULTIMATE.start_main_~i~4 52), 45339#(<= ULTIMATE.start_main_~i~4 54), 45340#(<= ULTIMATE.start_main_~i~4 56), 45341#(<= ULTIMATE.start_main_~i~4 58), 45342#(<= ULTIMATE.start_main_~i~4 60), 45343#(<= ULTIMATE.start_main_~i~4 62), 45344#(<= ULTIMATE.start_main_~i~4 64), 45345#(<= ULTIMATE.start_main_~i~4 66), 45346#(<= ULTIMATE.start_main_~i~4 68), 45347#(<= ULTIMATE.start_main_~i~4 70), 45348#(<= ULTIMATE.start_main_~i~4 72), 45349#(<= ULTIMATE.start_main_~i~4 74), 45350#(<= ULTIMATE.start_main_~i~4 76), 45351#(<= ULTIMATE.start_main_~i~4 78), 45352#(<= ULTIMATE.start_main_~i~4 80), 45353#(<= ULTIMATE.start_main_~i~4 82), 45354#(<= ULTIMATE.start_main_~i~4 84), 45355#(<= ULTIMATE.start_main_~i~4 86), 45356#(<= ULTIMATE.start_main_~i~4 88), 45357#(<= ULTIMATE.start_main_~i~4 90), 45358#(<= ULTIMATE.start_main_~i~4 92), 45359#(<= ULTIMATE.start_main_~i~4 94), 45360#(<= ULTIMATE.start_main_~i~4 96), 45361#(<= ULTIMATE.start_main_~i~4 98), 45362#(<= ULTIMATE.start_main_~i~4 100), 45363#(<= ULTIMATE.start_main_~i~4 102), 45364#(<= ULTIMATE.start_main_~i~4 104), 45365#(<= ULTIMATE.start_main_~i~4 106), 45366#(<= ULTIMATE.start_main_~i~4 108), 45367#(<= ULTIMATE.start_main_~i~4 110), 45368#(<= ULTIMATE.start_main_~i~4 112), 45369#(<= ULTIMATE.start_main_~i~4 114), 45370#(<= ULTIMATE.start_main_~i~4 116), 45371#(<= ULTIMATE.start_main_~i~4 118), 45372#(<= ULTIMATE.start_main_~i~4 120), 45373#(<= ULTIMATE.start_main_~i~4 122), 45374#(<= ULTIMATE.start_main_~i~4 124), 45375#(<= ULTIMATE.start_main_~i~4 126), 45376#(<= ULTIMATE.start_main_~i~4 128), 45377#(<= ULTIMATE.start_main_~i~4 130), 45378#(<= ULTIMATE.start_main_~i~4 132), 45379#(<= ULTIMATE.start_main_~i~4 134), 45380#(<= ULTIMATE.start_main_~i~4 136), 45381#(<= ULTIMATE.start_main_~i~4 138), 45382#(<= ULTIMATE.start_main_~i~4 140), 45383#(<= ULTIMATE.start_main_~i~4 142), 45384#(<= ULTIMATE.start_main_~i~4 144), 45385#(<= ULTIMATE.start_main_~i~4 146), 45386#(<= ULTIMATE.start_main_~i~4 148), 45387#(<= ULTIMATE.start_main_~i~4 150), 45388#(<= ULTIMATE.start_main_~i~4 152), 45389#(<= ULTIMATE.start_main_~i~4 154), 45390#(<= ULTIMATE.start_main_~i~4 156), 45391#(<= ULTIMATE.start_main_~i~4 158), 45392#(<= ULTIMATE.start_main_~i~4 160), 45393#(<= ULTIMATE.start_main_~i~4 162), 45394#(<= ULTIMATE.start_main_~i~4 164), 45395#(<= ULTIMATE.start_main_~i~4 166), 45396#(<= ULTIMATE.start_main_~i~4 168), 45397#(<= ULTIMATE.start_main_~i~4 170), 45398#(<= ULTIMATE.start_main_~i~4 172), 45399#(<= ULTIMATE.start_main_~i~4 174), 45400#(<= ULTIMATE.start_main_~i~4 176), 45401#(<= ULTIMATE.start_main_~i~4 178), 45402#(<= ULTIMATE.start_main_~i~4 180), 45403#(<= ULTIMATE.start_main_~i~4 182), 45404#(<= ULTIMATE.start_main_~i~4 184), 45405#(<= ULTIMATE.start_main_~i~4 186), 45406#(<= ULTIMATE.start_main_~i~4 188), 45407#(<= ULTIMATE.start_main_~i~4 190), 45408#(<= ULTIMATE.start_main_~i~4 192), 45409#(<= ULTIMATE.start_main_~i~4 194), 45310#true, 45311#false] [2018-07-23 13:45:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,165 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:45:18,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:45:18,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:45:18,166 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 100 states. [2018-07-23 13:45:18,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:18,354 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:45:18,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:45:18,354 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 198 [2018-07-23 13:45:18,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:18,355 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:45:18,355 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:45:18,356 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:45:18,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:45:18,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:45:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:45:18,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:45:18,359 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:45:18,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:18,360 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:45:18,360 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:45:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:45:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:45:18,361 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:18,361 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:45:18,361 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:18,361 INFO L82 PathProgramCache]: Analyzing trace with hash 925303419, now seen corresponding path program 98 times [2018-07-23 13:45:18,361 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:18,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:45:18,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,633 INFO L185 omatonBuilderFactory]: Interpolants [46218#true, 46219#false, 46220#(<= ULTIMATE.start_main_~i~4 0), 46221#(<= ULTIMATE.start_main_~i~4 2), 46222#(<= ULTIMATE.start_main_~i~4 4), 46223#(<= ULTIMATE.start_main_~i~4 6), 46224#(<= ULTIMATE.start_main_~i~4 8), 46225#(<= ULTIMATE.start_main_~i~4 10), 46226#(<= ULTIMATE.start_main_~i~4 12), 46227#(<= ULTIMATE.start_main_~i~4 14), 46228#(<= ULTIMATE.start_main_~i~4 16), 46229#(<= ULTIMATE.start_main_~i~4 18), 46230#(<= ULTIMATE.start_main_~i~4 20), 46231#(<= ULTIMATE.start_main_~i~4 22), 46232#(<= ULTIMATE.start_main_~i~4 24), 46233#(<= ULTIMATE.start_main_~i~4 26), 46234#(<= ULTIMATE.start_main_~i~4 28), 46235#(<= ULTIMATE.start_main_~i~4 30), 46236#(<= ULTIMATE.start_main_~i~4 32), 46237#(<= ULTIMATE.start_main_~i~4 34), 46238#(<= ULTIMATE.start_main_~i~4 36), 46239#(<= ULTIMATE.start_main_~i~4 38), 46240#(<= ULTIMATE.start_main_~i~4 40), 46241#(<= ULTIMATE.start_main_~i~4 42), 46242#(<= ULTIMATE.start_main_~i~4 44), 46243#(<= ULTIMATE.start_main_~i~4 46), 46244#(<= ULTIMATE.start_main_~i~4 48), 46245#(<= ULTIMATE.start_main_~i~4 50), 46246#(<= ULTIMATE.start_main_~i~4 52), 46247#(<= ULTIMATE.start_main_~i~4 54), 46248#(<= ULTIMATE.start_main_~i~4 56), 46249#(<= ULTIMATE.start_main_~i~4 58), 46250#(<= ULTIMATE.start_main_~i~4 60), 46251#(<= ULTIMATE.start_main_~i~4 62), 46252#(<= ULTIMATE.start_main_~i~4 64), 46253#(<= ULTIMATE.start_main_~i~4 66), 46254#(<= ULTIMATE.start_main_~i~4 68), 46255#(<= ULTIMATE.start_main_~i~4 70), 46256#(<= ULTIMATE.start_main_~i~4 72), 46257#(<= ULTIMATE.start_main_~i~4 74), 46258#(<= ULTIMATE.start_main_~i~4 76), 46259#(<= ULTIMATE.start_main_~i~4 78), 46260#(<= ULTIMATE.start_main_~i~4 80), 46261#(<= ULTIMATE.start_main_~i~4 82), 46262#(<= ULTIMATE.start_main_~i~4 84), 46263#(<= ULTIMATE.start_main_~i~4 86), 46264#(<= ULTIMATE.start_main_~i~4 88), 46265#(<= ULTIMATE.start_main_~i~4 90), 46266#(<= ULTIMATE.start_main_~i~4 92), 46267#(<= ULTIMATE.start_main_~i~4 94), 46268#(<= ULTIMATE.start_main_~i~4 96), 46269#(<= ULTIMATE.start_main_~i~4 98), 46270#(<= ULTIMATE.start_main_~i~4 100), 46271#(<= ULTIMATE.start_main_~i~4 102), 46272#(<= ULTIMATE.start_main_~i~4 104), 46273#(<= ULTIMATE.start_main_~i~4 106), 46274#(<= ULTIMATE.start_main_~i~4 108), 46275#(<= ULTIMATE.start_main_~i~4 110), 46276#(<= ULTIMATE.start_main_~i~4 112), 46277#(<= ULTIMATE.start_main_~i~4 114), 46278#(<= ULTIMATE.start_main_~i~4 116), 46279#(<= ULTIMATE.start_main_~i~4 118), 46280#(<= ULTIMATE.start_main_~i~4 120), 46281#(<= ULTIMATE.start_main_~i~4 122), 46282#(<= ULTIMATE.start_main_~i~4 124), 46283#(<= ULTIMATE.start_main_~i~4 126), 46284#(<= ULTIMATE.start_main_~i~4 128), 46285#(<= ULTIMATE.start_main_~i~4 130), 46286#(<= ULTIMATE.start_main_~i~4 132), 46287#(<= ULTIMATE.start_main_~i~4 134), 46288#(<= ULTIMATE.start_main_~i~4 136), 46289#(<= ULTIMATE.start_main_~i~4 138), 46290#(<= ULTIMATE.start_main_~i~4 140), 46291#(<= ULTIMATE.start_main_~i~4 142), 46292#(<= ULTIMATE.start_main_~i~4 144), 46293#(<= ULTIMATE.start_main_~i~4 146), 46294#(<= ULTIMATE.start_main_~i~4 148), 46295#(<= ULTIMATE.start_main_~i~4 150), 46296#(<= ULTIMATE.start_main_~i~4 152), 46297#(<= ULTIMATE.start_main_~i~4 154), 46298#(<= ULTIMATE.start_main_~i~4 156), 46299#(<= ULTIMATE.start_main_~i~4 158), 46300#(<= ULTIMATE.start_main_~i~4 160), 46301#(<= ULTIMATE.start_main_~i~4 162), 46302#(<= ULTIMATE.start_main_~i~4 164), 46303#(<= ULTIMATE.start_main_~i~4 166), 46304#(<= ULTIMATE.start_main_~i~4 168), 46305#(<= ULTIMATE.start_main_~i~4 170), 46306#(<= ULTIMATE.start_main_~i~4 172), 46307#(<= ULTIMATE.start_main_~i~4 174), 46308#(<= ULTIMATE.start_main_~i~4 176), 46309#(<= ULTIMATE.start_main_~i~4 178), 46310#(<= ULTIMATE.start_main_~i~4 180), 46311#(<= ULTIMATE.start_main_~i~4 182), 46312#(<= ULTIMATE.start_main_~i~4 184), 46313#(<= ULTIMATE.start_main_~i~4 186), 46314#(<= ULTIMATE.start_main_~i~4 188), 46315#(<= ULTIMATE.start_main_~i~4 190), 46316#(<= ULTIMATE.start_main_~i~4 192), 46317#(<= ULTIMATE.start_main_~i~4 194), 46318#(<= ULTIMATE.start_main_~i~4 196)] [2018-07-23 13:45:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:45:18,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:45:18,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:45:18,635 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 101 states. [2018-07-23 13:45:18,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:18,782 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:45:18,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:45:18,782 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 200 [2018-07-23 13:45:18,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:18,783 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:45:18,783 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:45:18,783 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:45:18,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:45:18,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:45:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:45:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:45:18,788 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:45:18,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:18,788 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:45:18,789 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:45:18,789 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:45:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:45:18,790 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:18,790 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:45:18,790 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:18,790 INFO L82 PathProgramCache]: Analyzing trace with hash 158407477, now seen corresponding path program 99 times [2018-07-23 13:45:18,790 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,076 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:45:19,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,076 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 13:45:19,077 INFO L185 omatonBuilderFactory]: Interpolants [47135#true, 47136#false, 47137#(<= ULTIMATE.start_main_~i~4 0), 47138#(<= ULTIMATE.start_main_~i~4 2), 47139#(<= ULTIMATE.start_main_~i~4 4), 47140#(<= ULTIMATE.start_main_~i~4 6), 47141#(<= ULTIMATE.start_main_~i~4 8), 47142#(<= ULTIMATE.start_main_~i~4 10), 47143#(<= ULTIMATE.start_main_~i~4 12), 47144#(<= ULTIMATE.start_main_~i~4 14), 47145#(<= ULTIMATE.start_main_~i~4 16), 47146#(<= ULTIMATE.start_main_~i~4 18), 47147#(<= ULTIMATE.start_main_~i~4 20), 47148#(<= ULTIMATE.start_main_~i~4 22), 47149#(<= ULTIMATE.start_main_~i~4 24), 47150#(<= ULTIMATE.start_main_~i~4 26), 47151#(<= ULTIMATE.start_main_~i~4 28), 47152#(<= ULTIMATE.start_main_~i~4 30), 47153#(<= ULTIMATE.start_main_~i~4 32), 47154#(<= ULTIMATE.start_main_~i~4 34), 47155#(<= ULTIMATE.start_main_~i~4 36), 47156#(<= ULTIMATE.start_main_~i~4 38), 47157#(<= ULTIMATE.start_main_~i~4 40), 47158#(<= ULTIMATE.start_main_~i~4 42), 47159#(<= ULTIMATE.start_main_~i~4 44), 47160#(<= ULTIMATE.start_main_~i~4 46), 47161#(<= ULTIMATE.start_main_~i~4 48), 47162#(<= ULTIMATE.start_main_~i~4 50), 47163#(<= ULTIMATE.start_main_~i~4 52), 47164#(<= ULTIMATE.start_main_~i~4 54), 47165#(<= ULTIMATE.start_main_~i~4 56), 47166#(<= ULTIMATE.start_main_~i~4 58), 47167#(<= ULTIMATE.start_main_~i~4 60), 47168#(<= ULTIMATE.start_main_~i~4 62), 47169#(<= ULTIMATE.start_main_~i~4 64), 47170#(<= ULTIMATE.start_main_~i~4 66), 47171#(<= ULTIMATE.start_main_~i~4 68), 47172#(<= ULTIMATE.start_main_~i~4 70), 47173#(<= ULTIMATE.start_main_~i~4 72), 47174#(<= ULTIMATE.start_main_~i~4 74), 47175#(<= ULTIMATE.start_main_~i~4 76), 47176#(<= ULTIMATE.start_main_~i~4 78), 47177#(<= ULTIMATE.start_main_~i~4 80), 47178#(<= ULTIMATE.start_main_~i~4 82), 47179#(<= ULTIMATE.start_main_~i~4 84), 47180#(<= ULTIMATE.start_main_~i~4 86), 47181#(<= ULTIMATE.start_main_~i~4 88), 47182#(<= ULTIMATE.start_main_~i~4 90), 47183#(<= ULTIMATE.start_main_~i~4 92), 47184#(<= ULTIMATE.start_main_~i~4 94), 47185#(<= ULTIMATE.start_main_~i~4 96), 47186#(<= ULTIMATE.start_main_~i~4 98), 47187#(<= ULTIMATE.start_main_~i~4 100), 47188#(<= ULTIMATE.start_main_~i~4 102), 47189#(<= ULTIMATE.start_main_~i~4 104), 47190#(<= ULTIMATE.start_main_~i~4 106), 47191#(<= ULTIMATE.start_main_~i~4 108), 47192#(<= ULTIMATE.start_main_~i~4 110), 47193#(<= ULTIMATE.start_main_~i~4 112), 47194#(<= ULTIMATE.start_main_~i~4 114), 47195#(<= ULTIMATE.start_main_~i~4 116), 47196#(<= ULTIMATE.start_main_~i~4 118), 47197#(<= ULTIMATE.start_main_~i~4 120), 47198#(<= ULTIMATE.start_main_~i~4 122), 47199#(<= ULTIMATE.start_main_~i~4 124), 47200#(<= ULTIMATE.start_main_~i~4 126), 47201#(<= ULTIMATE.start_main_~i~4 128), 47202#(<= ULTIMATE.start_main_~i~4 130), 47203#(<= ULTIMATE.start_main_~i~4 132), 47204#(<= ULTIMATE.start_main_~i~4 134), 47205#(<= ULTIMATE.start_main_~i~4 136), 47206#(<= ULTIMATE.start_main_~i~4 138), 47207#(<= ULTIMATE.start_main_~i~4 140), 47208#(<= ULTIMATE.start_main_~i~4 142), 47209#(<= ULTIMATE.start_main_~i~4 144), 47210#(<= ULTIMATE.start_main_~i~4 146), 47211#(<= ULTIMATE.start_main_~i~4 148), 47212#(<= ULTIMATE.start_main_~i~4 150), 47213#(<= ULTIMATE.start_main_~i~4 152), 47214#(<= ULTIMATE.start_main_~i~4 154), 47215#(<= ULTIMATE.start_main_~i~4 156), 47216#(<= ULTIMATE.start_main_~i~4 158), 47217#(<= ULTIMATE.start_main_~i~4 160), 47218#(<= ULTIMATE.start_main_~i~4 162), 47219#(<= ULTIMATE.start_main_~i~4 164), 47220#(<= ULTIMATE.start_main_~i~4 166), 47221#(<= ULTIMATE.start_main_~i~4 168), 47222#(<= ULTIMATE.start_main_~i~4 170), 47223#(<= ULTIMATE.start_main_~i~4 172), 47224#(<= ULTIMATE.start_main_~i~4 174), 47225#(<= ULTIMATE.start_main_~i~4 176), 47226#(<= ULTIMATE.start_main_~i~4 178), 47227#(<= ULTIMATE.start_main_~i~4 180), 47228#(<= ULTIMATE.start_main_~i~4 182), 47229#(<= ULTIMATE.start_main_~i~4 184), 47230#(<= ULTIMATE.start_main_~i~4 186), 47231#(<= ULTIMATE.start_main_~i~4 188), 47232#(<= ULTIMATE.start_main_~i~4 190), 47233#(<= ULTIMATE.start_main_~i~4 192), 47234#(<= ULTIMATE.start_main_~i~4 194), 47235#(<= ULTIMATE.start_main_~i~4 196), 47236#(<= ULTIMATE.start_main_~i~4 198)] [2018-07-23 13:45:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,078 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:45:19,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:45:19,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:45:19,079 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 102 states. [2018-07-23 13:45:19,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:19,248 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:45:19,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:45:19,248 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 202 [2018-07-23 13:45:19,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:19,249 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:45:19,249 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:45:19,250 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:45:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:45:19,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:45:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:45:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:45:19,254 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:45:19,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:19,254 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:45:19,254 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:45:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:45:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:45:19,255 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:19,255 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:45:19,255 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:19,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1905782127, now seen corresponding path program 100 times [2018-07-23 13:45:19,256 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,523 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,523 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:45:19,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,524 INFO L185 omatonBuilderFactory]: Interpolants [48128#(<= ULTIMATE.start_main_~i~4 130), 48129#(<= ULTIMATE.start_main_~i~4 132), 48130#(<= ULTIMATE.start_main_~i~4 134), 48131#(<= ULTIMATE.start_main_~i~4 136), 48132#(<= ULTIMATE.start_main_~i~4 138), 48133#(<= ULTIMATE.start_main_~i~4 140), 48134#(<= ULTIMATE.start_main_~i~4 142), 48135#(<= ULTIMATE.start_main_~i~4 144), 48136#(<= ULTIMATE.start_main_~i~4 146), 48137#(<= ULTIMATE.start_main_~i~4 148), 48138#(<= ULTIMATE.start_main_~i~4 150), 48139#(<= ULTIMATE.start_main_~i~4 152), 48140#(<= ULTIMATE.start_main_~i~4 154), 48141#(<= ULTIMATE.start_main_~i~4 156), 48142#(<= ULTIMATE.start_main_~i~4 158), 48143#(<= ULTIMATE.start_main_~i~4 160), 48144#(<= ULTIMATE.start_main_~i~4 162), 48145#(<= ULTIMATE.start_main_~i~4 164), 48146#(<= ULTIMATE.start_main_~i~4 166), 48147#(<= ULTIMATE.start_main_~i~4 168), 48148#(<= ULTIMATE.start_main_~i~4 170), 48149#(<= ULTIMATE.start_main_~i~4 172), 48150#(<= ULTIMATE.start_main_~i~4 174), 48151#(<= ULTIMATE.start_main_~i~4 176), 48152#(<= ULTIMATE.start_main_~i~4 178), 48153#(<= ULTIMATE.start_main_~i~4 180), 48154#(<= ULTIMATE.start_main_~i~4 182), 48155#(<= ULTIMATE.start_main_~i~4 184), 48156#(<= ULTIMATE.start_main_~i~4 186), 48157#(<= ULTIMATE.start_main_~i~4 188), 48158#(<= ULTIMATE.start_main_~i~4 190), 48159#(<= ULTIMATE.start_main_~i~4 192), 48160#(<= ULTIMATE.start_main_~i~4 194), 48161#(<= ULTIMATE.start_main_~i~4 196), 48162#(<= ULTIMATE.start_main_~i~4 198), 48163#(<= ULTIMATE.start_main_~i~4 200), 48061#true, 48062#false, 48063#(<= ULTIMATE.start_main_~i~4 0), 48064#(<= ULTIMATE.start_main_~i~4 2), 48065#(<= ULTIMATE.start_main_~i~4 4), 48066#(<= ULTIMATE.start_main_~i~4 6), 48067#(<= ULTIMATE.start_main_~i~4 8), 48068#(<= ULTIMATE.start_main_~i~4 10), 48069#(<= ULTIMATE.start_main_~i~4 12), 48070#(<= ULTIMATE.start_main_~i~4 14), 48071#(<= ULTIMATE.start_main_~i~4 16), 48072#(<= ULTIMATE.start_main_~i~4 18), 48073#(<= ULTIMATE.start_main_~i~4 20), 48074#(<= ULTIMATE.start_main_~i~4 22), 48075#(<= ULTIMATE.start_main_~i~4 24), 48076#(<= ULTIMATE.start_main_~i~4 26), 48077#(<= ULTIMATE.start_main_~i~4 28), 48078#(<= ULTIMATE.start_main_~i~4 30), 48079#(<= ULTIMATE.start_main_~i~4 32), 48080#(<= ULTIMATE.start_main_~i~4 34), 48081#(<= ULTIMATE.start_main_~i~4 36), 48082#(<= ULTIMATE.start_main_~i~4 38), 48083#(<= ULTIMATE.start_main_~i~4 40), 48084#(<= ULTIMATE.start_main_~i~4 42), 48085#(<= ULTIMATE.start_main_~i~4 44), 48086#(<= ULTIMATE.start_main_~i~4 46), 48087#(<= ULTIMATE.start_main_~i~4 48), 48088#(<= ULTIMATE.start_main_~i~4 50), 48089#(<= ULTIMATE.start_main_~i~4 52), 48090#(<= ULTIMATE.start_main_~i~4 54), 48091#(<= ULTIMATE.start_main_~i~4 56), 48092#(<= ULTIMATE.start_main_~i~4 58), 48093#(<= ULTIMATE.start_main_~i~4 60), 48094#(<= ULTIMATE.start_main_~i~4 62), 48095#(<= ULTIMATE.start_main_~i~4 64), 48096#(<= ULTIMATE.start_main_~i~4 66), 48097#(<= ULTIMATE.start_main_~i~4 68), 48098#(<= ULTIMATE.start_main_~i~4 70), 48099#(<= ULTIMATE.start_main_~i~4 72), 48100#(<= ULTIMATE.start_main_~i~4 74), 48101#(<= ULTIMATE.start_main_~i~4 76), 48102#(<= ULTIMATE.start_main_~i~4 78), 48103#(<= ULTIMATE.start_main_~i~4 80), 48104#(<= ULTIMATE.start_main_~i~4 82), 48105#(<= ULTIMATE.start_main_~i~4 84), 48106#(<= ULTIMATE.start_main_~i~4 86), 48107#(<= ULTIMATE.start_main_~i~4 88), 48108#(<= ULTIMATE.start_main_~i~4 90), 48109#(<= ULTIMATE.start_main_~i~4 92), 48110#(<= ULTIMATE.start_main_~i~4 94), 48111#(<= ULTIMATE.start_main_~i~4 96), 48112#(<= ULTIMATE.start_main_~i~4 98), 48113#(<= ULTIMATE.start_main_~i~4 100), 48114#(<= ULTIMATE.start_main_~i~4 102), 48115#(<= ULTIMATE.start_main_~i~4 104), 48116#(<= ULTIMATE.start_main_~i~4 106), 48117#(<= ULTIMATE.start_main_~i~4 108), 48118#(<= ULTIMATE.start_main_~i~4 110), 48119#(<= ULTIMATE.start_main_~i~4 112), 48120#(<= ULTIMATE.start_main_~i~4 114), 48121#(<= ULTIMATE.start_main_~i~4 116), 48122#(<= ULTIMATE.start_main_~i~4 118), 48123#(<= ULTIMATE.start_main_~i~4 120), 48124#(<= ULTIMATE.start_main_~i~4 122), 48125#(<= ULTIMATE.start_main_~i~4 124), 48126#(<= ULTIMATE.start_main_~i~4 126), 48127#(<= ULTIMATE.start_main_~i~4 128)] [2018-07-23 13:45:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,524 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:45:19,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:45:19,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:45:19,526 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 103 states. [2018-07-23 13:45:19,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:19,586 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:45:19,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:45:19,586 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 204 [2018-07-23 13:45:19,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:19,587 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:45:19,587 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:45:19,588 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:45:19,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:45:19,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:45:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:45:19,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:45:19,593 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:45:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:19,593 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:45:19,593 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:45:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:45:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:45:19,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:19,594 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:45:19,595 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:19,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1800608041, now seen corresponding path program 101 times [2018-07-23 13:45:19,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,852 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,852 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:45:19,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,853 INFO L185 omatonBuilderFactory]: Interpolants [48996#true, 48997#false, 48998#(<= ULTIMATE.start_main_~i~4 0), 48999#(<= ULTIMATE.start_main_~i~4 2), 49000#(<= ULTIMATE.start_main_~i~4 4), 49001#(<= ULTIMATE.start_main_~i~4 6), 49002#(<= ULTIMATE.start_main_~i~4 8), 49003#(<= ULTIMATE.start_main_~i~4 10), 49004#(<= ULTIMATE.start_main_~i~4 12), 49005#(<= ULTIMATE.start_main_~i~4 14), 49006#(<= ULTIMATE.start_main_~i~4 16), 49007#(<= ULTIMATE.start_main_~i~4 18), 49008#(<= ULTIMATE.start_main_~i~4 20), 49009#(<= ULTIMATE.start_main_~i~4 22), 49010#(<= ULTIMATE.start_main_~i~4 24), 49011#(<= ULTIMATE.start_main_~i~4 26), 49012#(<= ULTIMATE.start_main_~i~4 28), 49013#(<= ULTIMATE.start_main_~i~4 30), 49014#(<= ULTIMATE.start_main_~i~4 32), 49015#(<= ULTIMATE.start_main_~i~4 34), 49016#(<= ULTIMATE.start_main_~i~4 36), 49017#(<= ULTIMATE.start_main_~i~4 38), 49018#(<= ULTIMATE.start_main_~i~4 40), 49019#(<= ULTIMATE.start_main_~i~4 42), 49020#(<= ULTIMATE.start_main_~i~4 44), 49021#(<= ULTIMATE.start_main_~i~4 46), 49022#(<= ULTIMATE.start_main_~i~4 48), 49023#(<= ULTIMATE.start_main_~i~4 50), 49024#(<= ULTIMATE.start_main_~i~4 52), 49025#(<= ULTIMATE.start_main_~i~4 54), 49026#(<= ULTIMATE.start_main_~i~4 56), 49027#(<= ULTIMATE.start_main_~i~4 58), 49028#(<= ULTIMATE.start_main_~i~4 60), 49029#(<= ULTIMATE.start_main_~i~4 62), 49030#(<= ULTIMATE.start_main_~i~4 64), 49031#(<= ULTIMATE.start_main_~i~4 66), 49032#(<= ULTIMATE.start_main_~i~4 68), 49033#(<= ULTIMATE.start_main_~i~4 70), 49034#(<= ULTIMATE.start_main_~i~4 72), 49035#(<= ULTIMATE.start_main_~i~4 74), 49036#(<= ULTIMATE.start_main_~i~4 76), 49037#(<= ULTIMATE.start_main_~i~4 78), 49038#(<= ULTIMATE.start_main_~i~4 80), 49039#(<= ULTIMATE.start_main_~i~4 82), 49040#(<= ULTIMATE.start_main_~i~4 84), 49041#(<= ULTIMATE.start_main_~i~4 86), 49042#(<= ULTIMATE.start_main_~i~4 88), 49043#(<= ULTIMATE.start_main_~i~4 90), 49044#(<= ULTIMATE.start_main_~i~4 92), 49045#(<= ULTIMATE.start_main_~i~4 94), 49046#(<= ULTIMATE.start_main_~i~4 96), 49047#(<= ULTIMATE.start_main_~i~4 98), 49048#(<= ULTIMATE.start_main_~i~4 100), 49049#(<= ULTIMATE.start_main_~i~4 102), 49050#(<= ULTIMATE.start_main_~i~4 104), 49051#(<= ULTIMATE.start_main_~i~4 106), 49052#(<= ULTIMATE.start_main_~i~4 108), 49053#(<= ULTIMATE.start_main_~i~4 110), 49054#(<= ULTIMATE.start_main_~i~4 112), 49055#(<= ULTIMATE.start_main_~i~4 114), 49056#(<= ULTIMATE.start_main_~i~4 116), 49057#(<= ULTIMATE.start_main_~i~4 118), 49058#(<= ULTIMATE.start_main_~i~4 120), 49059#(<= ULTIMATE.start_main_~i~4 122), 49060#(<= ULTIMATE.start_main_~i~4 124), 49061#(<= ULTIMATE.start_main_~i~4 126), 49062#(<= ULTIMATE.start_main_~i~4 128), 49063#(<= ULTIMATE.start_main_~i~4 130), 49064#(<= ULTIMATE.start_main_~i~4 132), 49065#(<= ULTIMATE.start_main_~i~4 134), 49066#(<= ULTIMATE.start_main_~i~4 136), 49067#(<= ULTIMATE.start_main_~i~4 138), 49068#(<= ULTIMATE.start_main_~i~4 140), 49069#(<= ULTIMATE.start_main_~i~4 142), 49070#(<= ULTIMATE.start_main_~i~4 144), 49071#(<= ULTIMATE.start_main_~i~4 146), 49072#(<= ULTIMATE.start_main_~i~4 148), 49073#(<= ULTIMATE.start_main_~i~4 150), 49074#(<= ULTIMATE.start_main_~i~4 152), 49075#(<= ULTIMATE.start_main_~i~4 154), 49076#(<= ULTIMATE.start_main_~i~4 156), 49077#(<= ULTIMATE.start_main_~i~4 158), 49078#(<= ULTIMATE.start_main_~i~4 160), 49079#(<= ULTIMATE.start_main_~i~4 162), 49080#(<= ULTIMATE.start_main_~i~4 164), 49081#(<= ULTIMATE.start_main_~i~4 166), 49082#(<= ULTIMATE.start_main_~i~4 168), 49083#(<= ULTIMATE.start_main_~i~4 170), 49084#(<= ULTIMATE.start_main_~i~4 172), 49085#(<= ULTIMATE.start_main_~i~4 174), 49086#(<= ULTIMATE.start_main_~i~4 176), 49087#(<= ULTIMATE.start_main_~i~4 178), 49088#(<= ULTIMATE.start_main_~i~4 180), 49089#(<= ULTIMATE.start_main_~i~4 182), 49090#(<= ULTIMATE.start_main_~i~4 184), 49091#(<= ULTIMATE.start_main_~i~4 186), 49092#(<= ULTIMATE.start_main_~i~4 188), 49093#(<= ULTIMATE.start_main_~i~4 190), 49094#(<= ULTIMATE.start_main_~i~4 192), 49095#(<= ULTIMATE.start_main_~i~4 194), 49096#(<= ULTIMATE.start_main_~i~4 196), 49097#(<= ULTIMATE.start_main_~i~4 198), 49098#(<= ULTIMATE.start_main_~i~4 200), 49099#(<= ULTIMATE.start_main_~i~4 202)] [2018-07-23 13:45:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,853 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:45:19,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:45:19,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:45:19,855 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 104 states. [2018-07-23 13:45:19,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:19,974 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:45:19,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:45:19,974 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 206 [2018-07-23 13:45:19,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:19,975 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:45:19,975 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:45:19,976 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:45:19,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:45:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:45:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:45:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:45:19,980 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 206 [2018-07-23 13:45:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:19,980 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:45:19,980 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:45:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:45:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:45:19,981 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:19,981 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1] [2018-07-23 13:45:19,981 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash -487440797, now seen corresponding path program 102 times [2018-07-23 13:45:19,981 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,285 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:20,285 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:45:20,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:20,286 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 13:45:20,286 INFO L185 omatonBuilderFactory]: Interpolants [49940#true, 49941#false, 49942#(<= ULTIMATE.start_main_~i~4 0), 49943#(<= ULTIMATE.start_main_~i~4 2), 49944#(<= ULTIMATE.start_main_~i~4 4), 49945#(<= ULTIMATE.start_main_~i~4 6), 49946#(<= ULTIMATE.start_main_~i~4 8), 49947#(<= ULTIMATE.start_main_~i~4 10), 49948#(<= ULTIMATE.start_main_~i~4 12), 49949#(<= ULTIMATE.start_main_~i~4 14), 49950#(<= ULTIMATE.start_main_~i~4 16), 49951#(<= ULTIMATE.start_main_~i~4 18), 49952#(<= ULTIMATE.start_main_~i~4 20), 49953#(<= ULTIMATE.start_main_~i~4 22), 49954#(<= ULTIMATE.start_main_~i~4 24), 49955#(<= ULTIMATE.start_main_~i~4 26), 49956#(<= ULTIMATE.start_main_~i~4 28), 49957#(<= ULTIMATE.start_main_~i~4 30), 49958#(<= ULTIMATE.start_main_~i~4 32), 49959#(<= ULTIMATE.start_main_~i~4 34), 49960#(<= ULTIMATE.start_main_~i~4 36), 49961#(<= ULTIMATE.start_main_~i~4 38), 49962#(<= ULTIMATE.start_main_~i~4 40), 49963#(<= ULTIMATE.start_main_~i~4 42), 49964#(<= ULTIMATE.start_main_~i~4 44), 49965#(<= ULTIMATE.start_main_~i~4 46), 49966#(<= ULTIMATE.start_main_~i~4 48), 49967#(<= ULTIMATE.start_main_~i~4 50), 49968#(<= ULTIMATE.start_main_~i~4 52), 49969#(<= ULTIMATE.start_main_~i~4 54), 49970#(<= ULTIMATE.start_main_~i~4 56), 49971#(<= ULTIMATE.start_main_~i~4 58), 49972#(<= ULTIMATE.start_main_~i~4 60), 49973#(<= ULTIMATE.start_main_~i~4 62), 49974#(<= ULTIMATE.start_main_~i~4 64), 49975#(<= ULTIMATE.start_main_~i~4 66), 49976#(<= ULTIMATE.start_main_~i~4 68), 49977#(<= ULTIMATE.start_main_~i~4 70), 49978#(<= ULTIMATE.start_main_~i~4 72), 49979#(<= ULTIMATE.start_main_~i~4 74), 49980#(<= ULTIMATE.start_main_~i~4 76), 49981#(<= ULTIMATE.start_main_~i~4 78), 49982#(<= ULTIMATE.start_main_~i~4 80), 49983#(<= ULTIMATE.start_main_~i~4 82), 49984#(<= ULTIMATE.start_main_~i~4 84), 49985#(<= ULTIMATE.start_main_~i~4 86), 49986#(<= ULTIMATE.start_main_~i~4 88), 49987#(<= ULTIMATE.start_main_~i~4 90), 49988#(<= ULTIMATE.start_main_~i~4 92), 49989#(<= ULTIMATE.start_main_~i~4 94), 49990#(<= ULTIMATE.start_main_~i~4 96), 49991#(<= ULTIMATE.start_main_~i~4 98), 49992#(<= ULTIMATE.start_main_~i~4 100), 49993#(<= ULTIMATE.start_main_~i~4 102), 49994#(<= ULTIMATE.start_main_~i~4 104), 49995#(<= ULTIMATE.start_main_~i~4 106), 49996#(<= ULTIMATE.start_main_~i~4 108), 49997#(<= ULTIMATE.start_main_~i~4 110), 49998#(<= ULTIMATE.start_main_~i~4 112), 49999#(<= ULTIMATE.start_main_~i~4 114), 50000#(<= ULTIMATE.start_main_~i~4 116), 50001#(<= ULTIMATE.start_main_~i~4 118), 50002#(<= ULTIMATE.start_main_~i~4 120), 50003#(<= ULTIMATE.start_main_~i~4 122), 50004#(<= ULTIMATE.start_main_~i~4 124), 50005#(<= ULTIMATE.start_main_~i~4 126), 50006#(<= ULTIMATE.start_main_~i~4 128), 50007#(<= ULTIMATE.start_main_~i~4 130), 50008#(<= ULTIMATE.start_main_~i~4 132), 50009#(<= ULTIMATE.start_main_~i~4 134), 50010#(<= ULTIMATE.start_main_~i~4 136), 50011#(<= ULTIMATE.start_main_~i~4 138), 50012#(<= ULTIMATE.start_main_~i~4 140), 50013#(<= ULTIMATE.start_main_~i~4 142), 50014#(<= ULTIMATE.start_main_~i~4 144), 50015#(<= ULTIMATE.start_main_~i~4 146), 50016#(<= ULTIMATE.start_main_~i~4 148), 50017#(<= ULTIMATE.start_main_~i~4 150), 50018#(<= ULTIMATE.start_main_~i~4 152), 50019#(<= ULTIMATE.start_main_~i~4 154), 50020#(<= ULTIMATE.start_main_~i~4 156), 50021#(<= ULTIMATE.start_main_~i~4 158), 50022#(<= ULTIMATE.start_main_~i~4 160), 50023#(<= ULTIMATE.start_main_~i~4 162), 50024#(<= ULTIMATE.start_main_~i~4 164), 50025#(<= ULTIMATE.start_main_~i~4 166), 50026#(<= ULTIMATE.start_main_~i~4 168), 50027#(<= ULTIMATE.start_main_~i~4 170), 50028#(<= ULTIMATE.start_main_~i~4 172), 50029#(<= ULTIMATE.start_main_~i~4 174), 50030#(<= ULTIMATE.start_main_~i~4 176), 50031#(<= ULTIMATE.start_main_~i~4 178), 50032#(<= ULTIMATE.start_main_~i~4 180), 50033#(<= ULTIMATE.start_main_~i~4 182), 50034#(<= ULTIMATE.start_main_~i~4 184), 50035#(<= ULTIMATE.start_main_~i~4 186), 50036#(<= ULTIMATE.start_main_~i~4 188), 50037#(<= ULTIMATE.start_main_~i~4 190), 50038#(<= ULTIMATE.start_main_~i~4 192), 50039#(<= ULTIMATE.start_main_~i~4 194), 50040#(<= ULTIMATE.start_main_~i~4 196), 50041#(<= ULTIMATE.start_main_~i~4 198), 50042#(<= ULTIMATE.start_main_~i~4 200), 50043#(<= ULTIMATE.start_main_~i~4 202), 50044#(<= ULTIMATE.start_main_~i~4 204)] [2018-07-23 13:45:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,287 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:45:20,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:45:20,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:45:20,288 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 105 states. [2018-07-23 13:45:20,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:20,489 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:45:20,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:45:20,490 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 208 [2018-07-23 13:45:20,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:20,490 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:45:20,490 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:45:20,491 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:45:20,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:45:20,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:45:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:45:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:45:20,495 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 208 [2018-07-23 13:45:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:20,496 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:45:20,496 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:45:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:45:20,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:45:20,497 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:20,497 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1] [2018-07-23 13:45:20,497 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:20,497 INFO L82 PathProgramCache]: Analyzing trace with hash -279118563, now seen corresponding path program 103 times [2018-07-23 13:45:20,498 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,790 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:20,790 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:45:20,790 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,791 INFO L185 omatonBuilderFactory]: Interpolants [50944#(<= ULTIMATE.start_main_~i~4 98), 50945#(<= ULTIMATE.start_main_~i~4 100), 50946#(<= ULTIMATE.start_main_~i~4 102), 50947#(<= ULTIMATE.start_main_~i~4 104), 50948#(<= ULTIMATE.start_main_~i~4 106), 50949#(<= ULTIMATE.start_main_~i~4 108), 50950#(<= ULTIMATE.start_main_~i~4 110), 50951#(<= ULTIMATE.start_main_~i~4 112), 50952#(<= ULTIMATE.start_main_~i~4 114), 50953#(<= ULTIMATE.start_main_~i~4 116), 50954#(<= ULTIMATE.start_main_~i~4 118), 50955#(<= ULTIMATE.start_main_~i~4 120), 50956#(<= ULTIMATE.start_main_~i~4 122), 50957#(<= ULTIMATE.start_main_~i~4 124), 50958#(<= ULTIMATE.start_main_~i~4 126), 50959#(<= ULTIMATE.start_main_~i~4 128), 50960#(<= ULTIMATE.start_main_~i~4 130), 50961#(<= ULTIMATE.start_main_~i~4 132), 50962#(<= ULTIMATE.start_main_~i~4 134), 50963#(<= ULTIMATE.start_main_~i~4 136), 50964#(<= ULTIMATE.start_main_~i~4 138), 50965#(<= ULTIMATE.start_main_~i~4 140), 50966#(<= ULTIMATE.start_main_~i~4 142), 50967#(<= ULTIMATE.start_main_~i~4 144), 50968#(<= ULTIMATE.start_main_~i~4 146), 50969#(<= ULTIMATE.start_main_~i~4 148), 50970#(<= ULTIMATE.start_main_~i~4 150), 50971#(<= ULTIMATE.start_main_~i~4 152), 50972#(<= ULTIMATE.start_main_~i~4 154), 50973#(<= ULTIMATE.start_main_~i~4 156), 50974#(<= ULTIMATE.start_main_~i~4 158), 50975#(<= ULTIMATE.start_main_~i~4 160), 50976#(<= ULTIMATE.start_main_~i~4 162), 50977#(<= ULTIMATE.start_main_~i~4 164), 50978#(<= ULTIMATE.start_main_~i~4 166), 50979#(<= ULTIMATE.start_main_~i~4 168), 50980#(<= ULTIMATE.start_main_~i~4 170), 50981#(<= ULTIMATE.start_main_~i~4 172), 50982#(<= ULTIMATE.start_main_~i~4 174), 50983#(<= ULTIMATE.start_main_~i~4 176), 50984#(<= ULTIMATE.start_main_~i~4 178), 50985#(<= ULTIMATE.start_main_~i~4 180), 50986#(<= ULTIMATE.start_main_~i~4 182), 50987#(<= ULTIMATE.start_main_~i~4 184), 50988#(<= ULTIMATE.start_main_~i~4 186), 50989#(<= ULTIMATE.start_main_~i~4 188), 50990#(<= ULTIMATE.start_main_~i~4 190), 50991#(<= ULTIMATE.start_main_~i~4 192), 50992#(<= ULTIMATE.start_main_~i~4 194), 50993#(<= ULTIMATE.start_main_~i~4 196), 50994#(<= ULTIMATE.start_main_~i~4 198), 50995#(<= ULTIMATE.start_main_~i~4 200), 50996#(<= ULTIMATE.start_main_~i~4 202), 50997#(<= ULTIMATE.start_main_~i~4 204), 50998#(<= ULTIMATE.start_main_~i~4 206), 50893#true, 50894#false, 50895#(<= ULTIMATE.start_main_~i~4 0), 50896#(<= ULTIMATE.start_main_~i~4 2), 50897#(<= ULTIMATE.start_main_~i~4 4), 50898#(<= ULTIMATE.start_main_~i~4 6), 50899#(<= ULTIMATE.start_main_~i~4 8), 50900#(<= ULTIMATE.start_main_~i~4 10), 50901#(<= ULTIMATE.start_main_~i~4 12), 50902#(<= ULTIMATE.start_main_~i~4 14), 50903#(<= ULTIMATE.start_main_~i~4 16), 50904#(<= ULTIMATE.start_main_~i~4 18), 50905#(<= ULTIMATE.start_main_~i~4 20), 50906#(<= ULTIMATE.start_main_~i~4 22), 50907#(<= ULTIMATE.start_main_~i~4 24), 50908#(<= ULTIMATE.start_main_~i~4 26), 50909#(<= ULTIMATE.start_main_~i~4 28), 50910#(<= ULTIMATE.start_main_~i~4 30), 50911#(<= ULTIMATE.start_main_~i~4 32), 50912#(<= ULTIMATE.start_main_~i~4 34), 50913#(<= ULTIMATE.start_main_~i~4 36), 50914#(<= ULTIMATE.start_main_~i~4 38), 50915#(<= ULTIMATE.start_main_~i~4 40), 50916#(<= ULTIMATE.start_main_~i~4 42), 50917#(<= ULTIMATE.start_main_~i~4 44), 50918#(<= ULTIMATE.start_main_~i~4 46), 50919#(<= ULTIMATE.start_main_~i~4 48), 50920#(<= ULTIMATE.start_main_~i~4 50), 50921#(<= ULTIMATE.start_main_~i~4 52), 50922#(<= ULTIMATE.start_main_~i~4 54), 50923#(<= ULTIMATE.start_main_~i~4 56), 50924#(<= ULTIMATE.start_main_~i~4 58), 50925#(<= ULTIMATE.start_main_~i~4 60), 50926#(<= ULTIMATE.start_main_~i~4 62), 50927#(<= ULTIMATE.start_main_~i~4 64), 50928#(<= ULTIMATE.start_main_~i~4 66), 50929#(<= ULTIMATE.start_main_~i~4 68), 50930#(<= ULTIMATE.start_main_~i~4 70), 50931#(<= ULTIMATE.start_main_~i~4 72), 50932#(<= ULTIMATE.start_main_~i~4 74), 50933#(<= ULTIMATE.start_main_~i~4 76), 50934#(<= ULTIMATE.start_main_~i~4 78), 50935#(<= ULTIMATE.start_main_~i~4 80), 50936#(<= ULTIMATE.start_main_~i~4 82), 50937#(<= ULTIMATE.start_main_~i~4 84), 50938#(<= ULTIMATE.start_main_~i~4 86), 50939#(<= ULTIMATE.start_main_~i~4 88), 50940#(<= ULTIMATE.start_main_~i~4 90), 50941#(<= ULTIMATE.start_main_~i~4 92), 50942#(<= ULTIMATE.start_main_~i~4 94), 50943#(<= ULTIMATE.start_main_~i~4 96)] [2018-07-23 13:45:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,792 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:45:20,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:45:20,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:45:20,793 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 106 states. [2018-07-23 13:45:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:20,879 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:45:20,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:45:20,880 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 210 [2018-07-23 13:45:20,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:20,880 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:45:20,880 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:45:20,881 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:45:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:45:20,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:45:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:45:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:45:20,885 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 210 [2018-07-23 13:45:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:20,885 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:45:20,885 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:45:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:45:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:45:20,886 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:20,886 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1] [2018-07-23 13:45:20,886 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:20,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1944914601, now seen corresponding path program 104 times [2018-07-23 13:45:20,886 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,199 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:21,199 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:45:21,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:21,199 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 13:45:21,200 INFO L185 omatonBuilderFactory]: Interpolants [51855#true, 51856#false, 51857#(<= ULTIMATE.start_main_~i~4 0), 51858#(<= ULTIMATE.start_main_~i~4 2), 51859#(<= ULTIMATE.start_main_~i~4 4), 51860#(<= ULTIMATE.start_main_~i~4 6), 51861#(<= ULTIMATE.start_main_~i~4 8), 51862#(<= ULTIMATE.start_main_~i~4 10), 51863#(<= ULTIMATE.start_main_~i~4 12), 51864#(<= ULTIMATE.start_main_~i~4 14), 51865#(<= ULTIMATE.start_main_~i~4 16), 51866#(<= ULTIMATE.start_main_~i~4 18), 51867#(<= ULTIMATE.start_main_~i~4 20), 51868#(<= ULTIMATE.start_main_~i~4 22), 51869#(<= ULTIMATE.start_main_~i~4 24), 51870#(<= ULTIMATE.start_main_~i~4 26), 51871#(<= ULTIMATE.start_main_~i~4 28), 51872#(<= ULTIMATE.start_main_~i~4 30), 51873#(<= ULTIMATE.start_main_~i~4 32), 51874#(<= ULTIMATE.start_main_~i~4 34), 51875#(<= ULTIMATE.start_main_~i~4 36), 51876#(<= ULTIMATE.start_main_~i~4 38), 51877#(<= ULTIMATE.start_main_~i~4 40), 51878#(<= ULTIMATE.start_main_~i~4 42), 51879#(<= ULTIMATE.start_main_~i~4 44), 51880#(<= ULTIMATE.start_main_~i~4 46), 51881#(<= ULTIMATE.start_main_~i~4 48), 51882#(<= ULTIMATE.start_main_~i~4 50), 51883#(<= ULTIMATE.start_main_~i~4 52), 51884#(<= ULTIMATE.start_main_~i~4 54), 51885#(<= ULTIMATE.start_main_~i~4 56), 51886#(<= ULTIMATE.start_main_~i~4 58), 51887#(<= ULTIMATE.start_main_~i~4 60), 51888#(<= ULTIMATE.start_main_~i~4 62), 51889#(<= ULTIMATE.start_main_~i~4 64), 51890#(<= ULTIMATE.start_main_~i~4 66), 51891#(<= ULTIMATE.start_main_~i~4 68), 51892#(<= ULTIMATE.start_main_~i~4 70), 51893#(<= ULTIMATE.start_main_~i~4 72), 51894#(<= ULTIMATE.start_main_~i~4 74), 51895#(<= ULTIMATE.start_main_~i~4 76), 51896#(<= ULTIMATE.start_main_~i~4 78), 51897#(<= ULTIMATE.start_main_~i~4 80), 51898#(<= ULTIMATE.start_main_~i~4 82), 51899#(<= ULTIMATE.start_main_~i~4 84), 51900#(<= ULTIMATE.start_main_~i~4 86), 51901#(<= ULTIMATE.start_main_~i~4 88), 51902#(<= ULTIMATE.start_main_~i~4 90), 51903#(<= ULTIMATE.start_main_~i~4 92), 51904#(<= ULTIMATE.start_main_~i~4 94), 51905#(<= ULTIMATE.start_main_~i~4 96), 51906#(<= ULTIMATE.start_main_~i~4 98), 51907#(<= ULTIMATE.start_main_~i~4 100), 51908#(<= ULTIMATE.start_main_~i~4 102), 51909#(<= ULTIMATE.start_main_~i~4 104), 51910#(<= ULTIMATE.start_main_~i~4 106), 51911#(<= ULTIMATE.start_main_~i~4 108), 51912#(<= ULTIMATE.start_main_~i~4 110), 51913#(<= ULTIMATE.start_main_~i~4 112), 51914#(<= ULTIMATE.start_main_~i~4 114), 51915#(<= ULTIMATE.start_main_~i~4 116), 51916#(<= ULTIMATE.start_main_~i~4 118), 51917#(<= ULTIMATE.start_main_~i~4 120), 51918#(<= ULTIMATE.start_main_~i~4 122), 51919#(<= ULTIMATE.start_main_~i~4 124), 51920#(<= ULTIMATE.start_main_~i~4 126), 51921#(<= ULTIMATE.start_main_~i~4 128), 51922#(<= ULTIMATE.start_main_~i~4 130), 51923#(<= ULTIMATE.start_main_~i~4 132), 51924#(<= ULTIMATE.start_main_~i~4 134), 51925#(<= ULTIMATE.start_main_~i~4 136), 51926#(<= ULTIMATE.start_main_~i~4 138), 51927#(<= ULTIMATE.start_main_~i~4 140), 51928#(<= ULTIMATE.start_main_~i~4 142), 51929#(<= ULTIMATE.start_main_~i~4 144), 51930#(<= ULTIMATE.start_main_~i~4 146), 51931#(<= ULTIMATE.start_main_~i~4 148), 51932#(<= ULTIMATE.start_main_~i~4 150), 51933#(<= ULTIMATE.start_main_~i~4 152), 51934#(<= ULTIMATE.start_main_~i~4 154), 51935#(<= ULTIMATE.start_main_~i~4 156), 51936#(<= ULTIMATE.start_main_~i~4 158), 51937#(<= ULTIMATE.start_main_~i~4 160), 51938#(<= ULTIMATE.start_main_~i~4 162), 51939#(<= ULTIMATE.start_main_~i~4 164), 51940#(<= ULTIMATE.start_main_~i~4 166), 51941#(<= ULTIMATE.start_main_~i~4 168), 51942#(<= ULTIMATE.start_main_~i~4 170), 51943#(<= ULTIMATE.start_main_~i~4 172), 51944#(<= ULTIMATE.start_main_~i~4 174), 51945#(<= ULTIMATE.start_main_~i~4 176), 51946#(<= ULTIMATE.start_main_~i~4 178), 51947#(<= ULTIMATE.start_main_~i~4 180), 51948#(<= ULTIMATE.start_main_~i~4 182), 51949#(<= ULTIMATE.start_main_~i~4 184), 51950#(<= ULTIMATE.start_main_~i~4 186), 51951#(<= ULTIMATE.start_main_~i~4 188), 51952#(<= ULTIMATE.start_main_~i~4 190), 51953#(<= ULTIMATE.start_main_~i~4 192), 51954#(<= ULTIMATE.start_main_~i~4 194), 51955#(<= ULTIMATE.start_main_~i~4 196), 51956#(<= ULTIMATE.start_main_~i~4 198), 51957#(<= ULTIMATE.start_main_~i~4 200), 51958#(<= ULTIMATE.start_main_~i~4 202), 51959#(<= ULTIMATE.start_main_~i~4 204), 51960#(<= ULTIMATE.start_main_~i~4 206), 51961#(<= ULTIMATE.start_main_~i~4 208)] [2018-07-23 13:45:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,200 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:45:21,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:45:21,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:45:21,202 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 107 states. [2018-07-23 13:45:21,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:21,413 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:45:21,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:45:21,413 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 212 [2018-07-23 13:45:21,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:21,413 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:45:21,414 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:45:21,414 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:45:21,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:45:21,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:45:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:45:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:45:21,417 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 212 [2018-07-23 13:45:21,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:21,417 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:45:21,418 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:45:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:45:21,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:45:21,418 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:21,418 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1] [2018-07-23 13:45:21,418 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:21,419 INFO L82 PathProgramCache]: Analyzing trace with hash -752105711, now seen corresponding path program 105 times [2018-07-23 13:45:21,419 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,756 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:21,756 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:45:21,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:21,756 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 13:45:21,757 INFO L185 omatonBuilderFactory]: Interpolants [52826#true, 52827#false, 52828#(<= ULTIMATE.start_main_~i~4 0), 52829#(<= ULTIMATE.start_main_~i~4 2), 52830#(<= ULTIMATE.start_main_~i~4 4), 52831#(<= ULTIMATE.start_main_~i~4 6), 52832#(<= ULTIMATE.start_main_~i~4 8), 52833#(<= ULTIMATE.start_main_~i~4 10), 52834#(<= ULTIMATE.start_main_~i~4 12), 52835#(<= ULTIMATE.start_main_~i~4 14), 52836#(<= ULTIMATE.start_main_~i~4 16), 52837#(<= ULTIMATE.start_main_~i~4 18), 52838#(<= ULTIMATE.start_main_~i~4 20), 52839#(<= ULTIMATE.start_main_~i~4 22), 52840#(<= ULTIMATE.start_main_~i~4 24), 52841#(<= ULTIMATE.start_main_~i~4 26), 52842#(<= ULTIMATE.start_main_~i~4 28), 52843#(<= ULTIMATE.start_main_~i~4 30), 52844#(<= ULTIMATE.start_main_~i~4 32), 52845#(<= ULTIMATE.start_main_~i~4 34), 52846#(<= ULTIMATE.start_main_~i~4 36), 52847#(<= ULTIMATE.start_main_~i~4 38), 52848#(<= ULTIMATE.start_main_~i~4 40), 52849#(<= ULTIMATE.start_main_~i~4 42), 52850#(<= ULTIMATE.start_main_~i~4 44), 52851#(<= ULTIMATE.start_main_~i~4 46), 52852#(<= ULTIMATE.start_main_~i~4 48), 52853#(<= ULTIMATE.start_main_~i~4 50), 52854#(<= ULTIMATE.start_main_~i~4 52), 52855#(<= ULTIMATE.start_main_~i~4 54), 52856#(<= ULTIMATE.start_main_~i~4 56), 52857#(<= ULTIMATE.start_main_~i~4 58), 52858#(<= ULTIMATE.start_main_~i~4 60), 52859#(<= ULTIMATE.start_main_~i~4 62), 52860#(<= ULTIMATE.start_main_~i~4 64), 52861#(<= ULTIMATE.start_main_~i~4 66), 52862#(<= ULTIMATE.start_main_~i~4 68), 52863#(<= ULTIMATE.start_main_~i~4 70), 52864#(<= ULTIMATE.start_main_~i~4 72), 52865#(<= ULTIMATE.start_main_~i~4 74), 52866#(<= ULTIMATE.start_main_~i~4 76), 52867#(<= ULTIMATE.start_main_~i~4 78), 52868#(<= ULTIMATE.start_main_~i~4 80), 52869#(<= ULTIMATE.start_main_~i~4 82), 52870#(<= ULTIMATE.start_main_~i~4 84), 52871#(<= ULTIMATE.start_main_~i~4 86), 52872#(<= ULTIMATE.start_main_~i~4 88), 52873#(<= ULTIMATE.start_main_~i~4 90), 52874#(<= ULTIMATE.start_main_~i~4 92), 52875#(<= ULTIMATE.start_main_~i~4 94), 52876#(<= ULTIMATE.start_main_~i~4 96), 52877#(<= ULTIMATE.start_main_~i~4 98), 52878#(<= ULTIMATE.start_main_~i~4 100), 52879#(<= ULTIMATE.start_main_~i~4 102), 52880#(<= ULTIMATE.start_main_~i~4 104), 52881#(<= ULTIMATE.start_main_~i~4 106), 52882#(<= ULTIMATE.start_main_~i~4 108), 52883#(<= ULTIMATE.start_main_~i~4 110), 52884#(<= ULTIMATE.start_main_~i~4 112), 52885#(<= ULTIMATE.start_main_~i~4 114), 52886#(<= ULTIMATE.start_main_~i~4 116), 52887#(<= ULTIMATE.start_main_~i~4 118), 52888#(<= ULTIMATE.start_main_~i~4 120), 52889#(<= ULTIMATE.start_main_~i~4 122), 52890#(<= ULTIMATE.start_main_~i~4 124), 52891#(<= ULTIMATE.start_main_~i~4 126), 52892#(<= ULTIMATE.start_main_~i~4 128), 52893#(<= ULTIMATE.start_main_~i~4 130), 52894#(<= ULTIMATE.start_main_~i~4 132), 52895#(<= ULTIMATE.start_main_~i~4 134), 52896#(<= ULTIMATE.start_main_~i~4 136), 52897#(<= ULTIMATE.start_main_~i~4 138), 52898#(<= ULTIMATE.start_main_~i~4 140), 52899#(<= ULTIMATE.start_main_~i~4 142), 52900#(<= ULTIMATE.start_main_~i~4 144), 52901#(<= ULTIMATE.start_main_~i~4 146), 52902#(<= ULTIMATE.start_main_~i~4 148), 52903#(<= ULTIMATE.start_main_~i~4 150), 52904#(<= ULTIMATE.start_main_~i~4 152), 52905#(<= ULTIMATE.start_main_~i~4 154), 52906#(<= ULTIMATE.start_main_~i~4 156), 52907#(<= ULTIMATE.start_main_~i~4 158), 52908#(<= ULTIMATE.start_main_~i~4 160), 52909#(<= ULTIMATE.start_main_~i~4 162), 52910#(<= ULTIMATE.start_main_~i~4 164), 52911#(<= ULTIMATE.start_main_~i~4 166), 52912#(<= ULTIMATE.start_main_~i~4 168), 52913#(<= ULTIMATE.start_main_~i~4 170), 52914#(<= ULTIMATE.start_main_~i~4 172), 52915#(<= ULTIMATE.start_main_~i~4 174), 52916#(<= ULTIMATE.start_main_~i~4 176), 52917#(<= ULTIMATE.start_main_~i~4 178), 52918#(<= ULTIMATE.start_main_~i~4 180), 52919#(<= ULTIMATE.start_main_~i~4 182), 52920#(<= ULTIMATE.start_main_~i~4 184), 52921#(<= ULTIMATE.start_main_~i~4 186), 52922#(<= ULTIMATE.start_main_~i~4 188), 52923#(<= ULTIMATE.start_main_~i~4 190), 52924#(<= ULTIMATE.start_main_~i~4 192), 52925#(<= ULTIMATE.start_main_~i~4 194), 52926#(<= ULTIMATE.start_main_~i~4 196), 52927#(<= ULTIMATE.start_main_~i~4 198), 52928#(<= ULTIMATE.start_main_~i~4 200), 52929#(<= ULTIMATE.start_main_~i~4 202), 52930#(<= ULTIMATE.start_main_~i~4 204), 52931#(<= ULTIMATE.start_main_~i~4 206), 52932#(<= ULTIMATE.start_main_~i~4 208), 52933#(<= ULTIMATE.start_main_~i~4 210)] [2018-07-23 13:45:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,758 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:45:21,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:45:21,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:45:21,759 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 108 states. [2018-07-23 13:45:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:21,904 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:45:21,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:45:21,904 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 214 [2018-07-23 13:45:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:21,904 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:45:21,904 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:45:21,905 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:45:21,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:45:21,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:45:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:45:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:45:21,909 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 214 [2018-07-23 13:45:21,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:21,909 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:45:21,909 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:45:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:45:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:45:21,910 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:21,910 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1] [2018-07-23 13:45:21,910 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:21,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1219030453, now seen corresponding path program 106 times [2018-07-23 13:45:21,910 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,192 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:22,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:45:22,193 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,193 INFO L185 omatonBuilderFactory]: Interpolants [53806#true, 53807#false, 53808#(<= ULTIMATE.start_main_~i~4 0), 53809#(<= ULTIMATE.start_main_~i~4 2), 53810#(<= ULTIMATE.start_main_~i~4 4), 53811#(<= ULTIMATE.start_main_~i~4 6), 53812#(<= ULTIMATE.start_main_~i~4 8), 53813#(<= ULTIMATE.start_main_~i~4 10), 53814#(<= ULTIMATE.start_main_~i~4 12), 53815#(<= ULTIMATE.start_main_~i~4 14), 53816#(<= ULTIMATE.start_main_~i~4 16), 53817#(<= ULTIMATE.start_main_~i~4 18), 53818#(<= ULTIMATE.start_main_~i~4 20), 53819#(<= ULTIMATE.start_main_~i~4 22), 53820#(<= ULTIMATE.start_main_~i~4 24), 53821#(<= ULTIMATE.start_main_~i~4 26), 53822#(<= ULTIMATE.start_main_~i~4 28), 53823#(<= ULTIMATE.start_main_~i~4 30), 53824#(<= ULTIMATE.start_main_~i~4 32), 53825#(<= ULTIMATE.start_main_~i~4 34), 53826#(<= ULTIMATE.start_main_~i~4 36), 53827#(<= ULTIMATE.start_main_~i~4 38), 53828#(<= ULTIMATE.start_main_~i~4 40), 53829#(<= ULTIMATE.start_main_~i~4 42), 53830#(<= ULTIMATE.start_main_~i~4 44), 53831#(<= ULTIMATE.start_main_~i~4 46), 53832#(<= ULTIMATE.start_main_~i~4 48), 53833#(<= ULTIMATE.start_main_~i~4 50), 53834#(<= ULTIMATE.start_main_~i~4 52), 53835#(<= ULTIMATE.start_main_~i~4 54), 53836#(<= ULTIMATE.start_main_~i~4 56), 53837#(<= ULTIMATE.start_main_~i~4 58), 53838#(<= ULTIMATE.start_main_~i~4 60), 53839#(<= ULTIMATE.start_main_~i~4 62), 53840#(<= ULTIMATE.start_main_~i~4 64), 53841#(<= ULTIMATE.start_main_~i~4 66), 53842#(<= ULTIMATE.start_main_~i~4 68), 53843#(<= ULTIMATE.start_main_~i~4 70), 53844#(<= ULTIMATE.start_main_~i~4 72), 53845#(<= ULTIMATE.start_main_~i~4 74), 53846#(<= ULTIMATE.start_main_~i~4 76), 53847#(<= ULTIMATE.start_main_~i~4 78), 53848#(<= ULTIMATE.start_main_~i~4 80), 53849#(<= ULTIMATE.start_main_~i~4 82), 53850#(<= ULTIMATE.start_main_~i~4 84), 53851#(<= ULTIMATE.start_main_~i~4 86), 53852#(<= ULTIMATE.start_main_~i~4 88), 53853#(<= ULTIMATE.start_main_~i~4 90), 53854#(<= ULTIMATE.start_main_~i~4 92), 53855#(<= ULTIMATE.start_main_~i~4 94), 53856#(<= ULTIMATE.start_main_~i~4 96), 53857#(<= ULTIMATE.start_main_~i~4 98), 53858#(<= ULTIMATE.start_main_~i~4 100), 53859#(<= ULTIMATE.start_main_~i~4 102), 53860#(<= ULTIMATE.start_main_~i~4 104), 53861#(<= ULTIMATE.start_main_~i~4 106), 53862#(<= ULTIMATE.start_main_~i~4 108), 53863#(<= ULTIMATE.start_main_~i~4 110), 53864#(<= ULTIMATE.start_main_~i~4 112), 53865#(<= ULTIMATE.start_main_~i~4 114), 53866#(<= ULTIMATE.start_main_~i~4 116), 53867#(<= ULTIMATE.start_main_~i~4 118), 53868#(<= ULTIMATE.start_main_~i~4 120), 53869#(<= ULTIMATE.start_main_~i~4 122), 53870#(<= ULTIMATE.start_main_~i~4 124), 53871#(<= ULTIMATE.start_main_~i~4 126), 53872#(<= ULTIMATE.start_main_~i~4 128), 53873#(<= ULTIMATE.start_main_~i~4 130), 53874#(<= ULTIMATE.start_main_~i~4 132), 53875#(<= ULTIMATE.start_main_~i~4 134), 53876#(<= ULTIMATE.start_main_~i~4 136), 53877#(<= ULTIMATE.start_main_~i~4 138), 53878#(<= ULTIMATE.start_main_~i~4 140), 53879#(<= ULTIMATE.start_main_~i~4 142), 53880#(<= ULTIMATE.start_main_~i~4 144), 53881#(<= ULTIMATE.start_main_~i~4 146), 53882#(<= ULTIMATE.start_main_~i~4 148), 53883#(<= ULTIMATE.start_main_~i~4 150), 53884#(<= ULTIMATE.start_main_~i~4 152), 53885#(<= ULTIMATE.start_main_~i~4 154), 53886#(<= ULTIMATE.start_main_~i~4 156), 53887#(<= ULTIMATE.start_main_~i~4 158), 53888#(<= ULTIMATE.start_main_~i~4 160), 53889#(<= ULTIMATE.start_main_~i~4 162), 53890#(<= ULTIMATE.start_main_~i~4 164), 53891#(<= ULTIMATE.start_main_~i~4 166), 53892#(<= ULTIMATE.start_main_~i~4 168), 53893#(<= ULTIMATE.start_main_~i~4 170), 53894#(<= ULTIMATE.start_main_~i~4 172), 53895#(<= ULTIMATE.start_main_~i~4 174), 53896#(<= ULTIMATE.start_main_~i~4 176), 53897#(<= ULTIMATE.start_main_~i~4 178), 53898#(<= ULTIMATE.start_main_~i~4 180), 53899#(<= ULTIMATE.start_main_~i~4 182), 53900#(<= ULTIMATE.start_main_~i~4 184), 53901#(<= ULTIMATE.start_main_~i~4 186), 53902#(<= ULTIMATE.start_main_~i~4 188), 53903#(<= ULTIMATE.start_main_~i~4 190), 53904#(<= ULTIMATE.start_main_~i~4 192), 53905#(<= ULTIMATE.start_main_~i~4 194), 53906#(<= ULTIMATE.start_main_~i~4 196), 53907#(<= ULTIMATE.start_main_~i~4 198), 53908#(<= ULTIMATE.start_main_~i~4 200), 53909#(<= ULTIMATE.start_main_~i~4 202), 53910#(<= ULTIMATE.start_main_~i~4 204), 53911#(<= ULTIMATE.start_main_~i~4 206), 53912#(<= ULTIMATE.start_main_~i~4 208), 53913#(<= ULTIMATE.start_main_~i~4 210), 53914#(<= ULTIMATE.start_main_~i~4 212)] [2018-07-23 13:45:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,194 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:45:22,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:45:22,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:45:22,195 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 109 states. [2018-07-23 13:45:22,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:22,374 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:45:22,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:45:22,374 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 216 [2018-07-23 13:45:22,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:22,375 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:45:22,375 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:45:22,376 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:45:22,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:45:22,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:45:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:45:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:45:22,380 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 216 [2018-07-23 13:45:22,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:22,380 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:45:22,380 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:45:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:45:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:45:22,381 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:22,382 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1] [2018-07-23 13:45:22,382 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:22,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1037858565, now seen corresponding path program 107 times [2018-07-23 13:45:22,382 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,706 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:22,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:45:22,706 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,707 INFO L185 omatonBuilderFactory]: Interpolants [54795#true, 54796#false, 54797#(<= ULTIMATE.start_main_~i~4 0), 54798#(<= ULTIMATE.start_main_~i~4 2), 54799#(<= ULTIMATE.start_main_~i~4 4), 54800#(<= ULTIMATE.start_main_~i~4 6), 54801#(<= ULTIMATE.start_main_~i~4 8), 54802#(<= ULTIMATE.start_main_~i~4 10), 54803#(<= ULTIMATE.start_main_~i~4 12), 54804#(<= ULTIMATE.start_main_~i~4 14), 54805#(<= ULTIMATE.start_main_~i~4 16), 54806#(<= ULTIMATE.start_main_~i~4 18), 54807#(<= ULTIMATE.start_main_~i~4 20), 54808#(<= ULTIMATE.start_main_~i~4 22), 54809#(<= ULTIMATE.start_main_~i~4 24), 54810#(<= ULTIMATE.start_main_~i~4 26), 54811#(<= ULTIMATE.start_main_~i~4 28), 54812#(<= ULTIMATE.start_main_~i~4 30), 54813#(<= ULTIMATE.start_main_~i~4 32), 54814#(<= ULTIMATE.start_main_~i~4 34), 54815#(<= ULTIMATE.start_main_~i~4 36), 54816#(<= ULTIMATE.start_main_~i~4 38), 54817#(<= ULTIMATE.start_main_~i~4 40), 54818#(<= ULTIMATE.start_main_~i~4 42), 54819#(<= ULTIMATE.start_main_~i~4 44), 54820#(<= ULTIMATE.start_main_~i~4 46), 54821#(<= ULTIMATE.start_main_~i~4 48), 54822#(<= ULTIMATE.start_main_~i~4 50), 54823#(<= ULTIMATE.start_main_~i~4 52), 54824#(<= ULTIMATE.start_main_~i~4 54), 54825#(<= ULTIMATE.start_main_~i~4 56), 54826#(<= ULTIMATE.start_main_~i~4 58), 54827#(<= ULTIMATE.start_main_~i~4 60), 54828#(<= ULTIMATE.start_main_~i~4 62), 54829#(<= ULTIMATE.start_main_~i~4 64), 54830#(<= ULTIMATE.start_main_~i~4 66), 54831#(<= ULTIMATE.start_main_~i~4 68), 54832#(<= ULTIMATE.start_main_~i~4 70), 54833#(<= ULTIMATE.start_main_~i~4 72), 54834#(<= ULTIMATE.start_main_~i~4 74), 54835#(<= ULTIMATE.start_main_~i~4 76), 54836#(<= ULTIMATE.start_main_~i~4 78), 54837#(<= ULTIMATE.start_main_~i~4 80), 54838#(<= ULTIMATE.start_main_~i~4 82), 54839#(<= ULTIMATE.start_main_~i~4 84), 54840#(<= ULTIMATE.start_main_~i~4 86), 54841#(<= ULTIMATE.start_main_~i~4 88), 54842#(<= ULTIMATE.start_main_~i~4 90), 54843#(<= ULTIMATE.start_main_~i~4 92), 54844#(<= ULTIMATE.start_main_~i~4 94), 54845#(<= ULTIMATE.start_main_~i~4 96), 54846#(<= ULTIMATE.start_main_~i~4 98), 54847#(<= ULTIMATE.start_main_~i~4 100), 54848#(<= ULTIMATE.start_main_~i~4 102), 54849#(<= ULTIMATE.start_main_~i~4 104), 54850#(<= ULTIMATE.start_main_~i~4 106), 54851#(<= ULTIMATE.start_main_~i~4 108), 54852#(<= ULTIMATE.start_main_~i~4 110), 54853#(<= ULTIMATE.start_main_~i~4 112), 54854#(<= ULTIMATE.start_main_~i~4 114), 54855#(<= ULTIMATE.start_main_~i~4 116), 54856#(<= ULTIMATE.start_main_~i~4 118), 54857#(<= ULTIMATE.start_main_~i~4 120), 54858#(<= ULTIMATE.start_main_~i~4 122), 54859#(<= ULTIMATE.start_main_~i~4 124), 54860#(<= ULTIMATE.start_main_~i~4 126), 54861#(<= ULTIMATE.start_main_~i~4 128), 54862#(<= ULTIMATE.start_main_~i~4 130), 54863#(<= ULTIMATE.start_main_~i~4 132), 54864#(<= ULTIMATE.start_main_~i~4 134), 54865#(<= ULTIMATE.start_main_~i~4 136), 54866#(<= ULTIMATE.start_main_~i~4 138), 54867#(<= ULTIMATE.start_main_~i~4 140), 54868#(<= ULTIMATE.start_main_~i~4 142), 54869#(<= ULTIMATE.start_main_~i~4 144), 54870#(<= ULTIMATE.start_main_~i~4 146), 54871#(<= ULTIMATE.start_main_~i~4 148), 54872#(<= ULTIMATE.start_main_~i~4 150), 54873#(<= ULTIMATE.start_main_~i~4 152), 54874#(<= ULTIMATE.start_main_~i~4 154), 54875#(<= ULTIMATE.start_main_~i~4 156), 54876#(<= ULTIMATE.start_main_~i~4 158), 54877#(<= ULTIMATE.start_main_~i~4 160), 54878#(<= ULTIMATE.start_main_~i~4 162), 54879#(<= ULTIMATE.start_main_~i~4 164), 54880#(<= ULTIMATE.start_main_~i~4 166), 54881#(<= ULTIMATE.start_main_~i~4 168), 54882#(<= ULTIMATE.start_main_~i~4 170), 54883#(<= ULTIMATE.start_main_~i~4 172), 54884#(<= ULTIMATE.start_main_~i~4 174), 54885#(<= ULTIMATE.start_main_~i~4 176), 54886#(<= ULTIMATE.start_main_~i~4 178), 54887#(<= ULTIMATE.start_main_~i~4 180), 54888#(<= ULTIMATE.start_main_~i~4 182), 54889#(<= ULTIMATE.start_main_~i~4 184), 54890#(<= ULTIMATE.start_main_~i~4 186), 54891#(<= ULTIMATE.start_main_~i~4 188), 54892#(<= ULTIMATE.start_main_~i~4 190), 54893#(<= ULTIMATE.start_main_~i~4 192), 54894#(<= ULTIMATE.start_main_~i~4 194), 54895#(<= ULTIMATE.start_main_~i~4 196), 54896#(<= ULTIMATE.start_main_~i~4 198), 54897#(<= ULTIMATE.start_main_~i~4 200), 54898#(<= ULTIMATE.start_main_~i~4 202), 54899#(<= ULTIMATE.start_main_~i~4 204), 54900#(<= ULTIMATE.start_main_~i~4 206), 54901#(<= ULTIMATE.start_main_~i~4 208), 54902#(<= ULTIMATE.start_main_~i~4 210), 54903#(<= ULTIMATE.start_main_~i~4 212), 54904#(<= ULTIMATE.start_main_~i~4 214)] [2018-07-23 13:45:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,707 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:45:22,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:45:22,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:45:22,709 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 110 states. [2018-07-23 13:45:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:22,909 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:45:22,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:45:22,909 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 218 [2018-07-23 13:45:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:22,910 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:45:22,910 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:45:22,910 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:45:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:45:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:45:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:45:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:45:22,914 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 218 [2018-07-23 13:45:22,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:22,915 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:45:22,915 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:45:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:45:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:45:22,916 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:22,916 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1] [2018-07-23 13:45:22,916 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash 949720383, now seen corresponding path program 108 times [2018-07-23 13:45:22,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,272 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:23,272 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:45:23,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,273 INFO L185 omatonBuilderFactory]: Interpolants [55808#(<= ULTIMATE.start_main_~i~4 26), 55809#(<= ULTIMATE.start_main_~i~4 28), 55810#(<= ULTIMATE.start_main_~i~4 30), 55811#(<= ULTIMATE.start_main_~i~4 32), 55812#(<= ULTIMATE.start_main_~i~4 34), 55813#(<= ULTIMATE.start_main_~i~4 36), 55814#(<= ULTIMATE.start_main_~i~4 38), 55815#(<= ULTIMATE.start_main_~i~4 40), 55816#(<= ULTIMATE.start_main_~i~4 42), 55817#(<= ULTIMATE.start_main_~i~4 44), 55818#(<= ULTIMATE.start_main_~i~4 46), 55819#(<= ULTIMATE.start_main_~i~4 48), 55820#(<= ULTIMATE.start_main_~i~4 50), 55821#(<= ULTIMATE.start_main_~i~4 52), 55822#(<= ULTIMATE.start_main_~i~4 54), 55823#(<= ULTIMATE.start_main_~i~4 56), 55824#(<= ULTIMATE.start_main_~i~4 58), 55825#(<= ULTIMATE.start_main_~i~4 60), 55826#(<= ULTIMATE.start_main_~i~4 62), 55827#(<= ULTIMATE.start_main_~i~4 64), 55828#(<= ULTIMATE.start_main_~i~4 66), 55829#(<= ULTIMATE.start_main_~i~4 68), 55830#(<= ULTIMATE.start_main_~i~4 70), 55831#(<= ULTIMATE.start_main_~i~4 72), 55832#(<= ULTIMATE.start_main_~i~4 74), 55833#(<= ULTIMATE.start_main_~i~4 76), 55834#(<= ULTIMATE.start_main_~i~4 78), 55835#(<= ULTIMATE.start_main_~i~4 80), 55836#(<= ULTIMATE.start_main_~i~4 82), 55837#(<= ULTIMATE.start_main_~i~4 84), 55838#(<= ULTIMATE.start_main_~i~4 86), 55839#(<= ULTIMATE.start_main_~i~4 88), 55840#(<= ULTIMATE.start_main_~i~4 90), 55841#(<= ULTIMATE.start_main_~i~4 92), 55842#(<= ULTIMATE.start_main_~i~4 94), 55843#(<= ULTIMATE.start_main_~i~4 96), 55844#(<= ULTIMATE.start_main_~i~4 98), 55845#(<= ULTIMATE.start_main_~i~4 100), 55846#(<= ULTIMATE.start_main_~i~4 102), 55847#(<= ULTIMATE.start_main_~i~4 104), 55848#(<= ULTIMATE.start_main_~i~4 106), 55849#(<= ULTIMATE.start_main_~i~4 108), 55850#(<= ULTIMATE.start_main_~i~4 110), 55851#(<= ULTIMATE.start_main_~i~4 112), 55852#(<= ULTIMATE.start_main_~i~4 114), 55853#(<= ULTIMATE.start_main_~i~4 116), 55854#(<= ULTIMATE.start_main_~i~4 118), 55855#(<= ULTIMATE.start_main_~i~4 120), 55856#(<= ULTIMATE.start_main_~i~4 122), 55857#(<= ULTIMATE.start_main_~i~4 124), 55858#(<= ULTIMATE.start_main_~i~4 126), 55859#(<= ULTIMATE.start_main_~i~4 128), 55860#(<= ULTIMATE.start_main_~i~4 130), 55861#(<= ULTIMATE.start_main_~i~4 132), 55862#(<= ULTIMATE.start_main_~i~4 134), 55863#(<= ULTIMATE.start_main_~i~4 136), 55864#(<= ULTIMATE.start_main_~i~4 138), 55865#(<= ULTIMATE.start_main_~i~4 140), 55866#(<= ULTIMATE.start_main_~i~4 142), 55867#(<= ULTIMATE.start_main_~i~4 144), 55868#(<= ULTIMATE.start_main_~i~4 146), 55869#(<= ULTIMATE.start_main_~i~4 148), 55870#(<= ULTIMATE.start_main_~i~4 150), 55871#(<= ULTIMATE.start_main_~i~4 152), 55872#(<= ULTIMATE.start_main_~i~4 154), 55873#(<= ULTIMATE.start_main_~i~4 156), 55874#(<= ULTIMATE.start_main_~i~4 158), 55875#(<= ULTIMATE.start_main_~i~4 160), 55876#(<= ULTIMATE.start_main_~i~4 162), 55877#(<= ULTIMATE.start_main_~i~4 164), 55878#(<= ULTIMATE.start_main_~i~4 166), 55879#(<= ULTIMATE.start_main_~i~4 168), 55880#(<= ULTIMATE.start_main_~i~4 170), 55881#(<= ULTIMATE.start_main_~i~4 172), 55882#(<= ULTIMATE.start_main_~i~4 174), 55883#(<= ULTIMATE.start_main_~i~4 176), 55884#(<= ULTIMATE.start_main_~i~4 178), 55885#(<= ULTIMATE.start_main_~i~4 180), 55886#(<= ULTIMATE.start_main_~i~4 182), 55887#(<= ULTIMATE.start_main_~i~4 184), 55888#(<= ULTIMATE.start_main_~i~4 186), 55889#(<= ULTIMATE.start_main_~i~4 188), 55890#(<= ULTIMATE.start_main_~i~4 190), 55891#(<= ULTIMATE.start_main_~i~4 192), 55892#(<= ULTIMATE.start_main_~i~4 194), 55893#(<= ULTIMATE.start_main_~i~4 196), 55894#(<= ULTIMATE.start_main_~i~4 198), 55895#(<= ULTIMATE.start_main_~i~4 200), 55896#(<= ULTIMATE.start_main_~i~4 202), 55897#(<= ULTIMATE.start_main_~i~4 204), 55898#(<= ULTIMATE.start_main_~i~4 206), 55899#(<= ULTIMATE.start_main_~i~4 208), 55900#(<= ULTIMATE.start_main_~i~4 210), 55901#(<= ULTIMATE.start_main_~i~4 212), 55902#(<= ULTIMATE.start_main_~i~4 214), 55903#(<= ULTIMATE.start_main_~i~4 216), 55793#true, 55794#false, 55795#(<= ULTIMATE.start_main_~i~4 0), 55796#(<= ULTIMATE.start_main_~i~4 2), 55797#(<= ULTIMATE.start_main_~i~4 4), 55798#(<= ULTIMATE.start_main_~i~4 6), 55799#(<= ULTIMATE.start_main_~i~4 8), 55800#(<= ULTIMATE.start_main_~i~4 10), 55801#(<= ULTIMATE.start_main_~i~4 12), 55802#(<= ULTIMATE.start_main_~i~4 14), 55803#(<= ULTIMATE.start_main_~i~4 16), 55804#(<= ULTIMATE.start_main_~i~4 18), 55805#(<= ULTIMATE.start_main_~i~4 20), 55806#(<= ULTIMATE.start_main_~i~4 22), 55807#(<= ULTIMATE.start_main_~i~4 24)] [2018-07-23 13:45:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:45:23,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:45:23,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:45:23,276 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 111 states. [2018-07-23 13:45:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:23,449 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:45:23,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:45:23,449 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 220 [2018-07-23 13:45:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:23,450 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:45:23,450 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:45:23,451 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:45:23,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:45:23,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:45:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:45:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:45:23,455 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 220 [2018-07-23 13:45:23,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:23,456 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:45:23,456 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:45:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:45:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:45:23,459 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:23,459 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1] [2018-07-23 13:45:23,460 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:23,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2146693895, now seen corresponding path program 109 times [2018-07-23 13:45:23,461 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,785 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:23,785 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:45:23,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,786 INFO L185 omatonBuilderFactory]: Interpolants [56832#(<= ULTIMATE.start_main_~i~4 60), 56833#(<= ULTIMATE.start_main_~i~4 62), 56834#(<= ULTIMATE.start_main_~i~4 64), 56835#(<= ULTIMATE.start_main_~i~4 66), 56836#(<= ULTIMATE.start_main_~i~4 68), 56837#(<= ULTIMATE.start_main_~i~4 70), 56838#(<= ULTIMATE.start_main_~i~4 72), 56839#(<= ULTIMATE.start_main_~i~4 74), 56840#(<= ULTIMATE.start_main_~i~4 76), 56841#(<= ULTIMATE.start_main_~i~4 78), 56842#(<= ULTIMATE.start_main_~i~4 80), 56843#(<= ULTIMATE.start_main_~i~4 82), 56844#(<= ULTIMATE.start_main_~i~4 84), 56845#(<= ULTIMATE.start_main_~i~4 86), 56846#(<= ULTIMATE.start_main_~i~4 88), 56847#(<= ULTIMATE.start_main_~i~4 90), 56848#(<= ULTIMATE.start_main_~i~4 92), 56849#(<= ULTIMATE.start_main_~i~4 94), 56850#(<= ULTIMATE.start_main_~i~4 96), 56851#(<= ULTIMATE.start_main_~i~4 98), 56852#(<= ULTIMATE.start_main_~i~4 100), 56853#(<= ULTIMATE.start_main_~i~4 102), 56854#(<= ULTIMATE.start_main_~i~4 104), 56855#(<= ULTIMATE.start_main_~i~4 106), 56856#(<= ULTIMATE.start_main_~i~4 108), 56857#(<= ULTIMATE.start_main_~i~4 110), 56858#(<= ULTIMATE.start_main_~i~4 112), 56859#(<= ULTIMATE.start_main_~i~4 114), 56860#(<= ULTIMATE.start_main_~i~4 116), 56861#(<= ULTIMATE.start_main_~i~4 118), 56862#(<= ULTIMATE.start_main_~i~4 120), 56863#(<= ULTIMATE.start_main_~i~4 122), 56864#(<= ULTIMATE.start_main_~i~4 124), 56865#(<= ULTIMATE.start_main_~i~4 126), 56866#(<= ULTIMATE.start_main_~i~4 128), 56867#(<= ULTIMATE.start_main_~i~4 130), 56868#(<= ULTIMATE.start_main_~i~4 132), 56869#(<= ULTIMATE.start_main_~i~4 134), 56870#(<= ULTIMATE.start_main_~i~4 136), 56871#(<= ULTIMATE.start_main_~i~4 138), 56872#(<= ULTIMATE.start_main_~i~4 140), 56873#(<= ULTIMATE.start_main_~i~4 142), 56874#(<= ULTIMATE.start_main_~i~4 144), 56875#(<= ULTIMATE.start_main_~i~4 146), 56876#(<= ULTIMATE.start_main_~i~4 148), 56877#(<= ULTIMATE.start_main_~i~4 150), 56878#(<= ULTIMATE.start_main_~i~4 152), 56879#(<= ULTIMATE.start_main_~i~4 154), 56880#(<= ULTIMATE.start_main_~i~4 156), 56881#(<= ULTIMATE.start_main_~i~4 158), 56882#(<= ULTIMATE.start_main_~i~4 160), 56883#(<= ULTIMATE.start_main_~i~4 162), 56884#(<= ULTIMATE.start_main_~i~4 164), 56885#(<= ULTIMATE.start_main_~i~4 166), 56886#(<= ULTIMATE.start_main_~i~4 168), 56887#(<= ULTIMATE.start_main_~i~4 170), 56888#(<= ULTIMATE.start_main_~i~4 172), 56889#(<= ULTIMATE.start_main_~i~4 174), 56890#(<= ULTIMATE.start_main_~i~4 176), 56891#(<= ULTIMATE.start_main_~i~4 178), 56892#(<= ULTIMATE.start_main_~i~4 180), 56893#(<= ULTIMATE.start_main_~i~4 182), 56894#(<= ULTIMATE.start_main_~i~4 184), 56895#(<= ULTIMATE.start_main_~i~4 186), 56896#(<= ULTIMATE.start_main_~i~4 188), 56897#(<= ULTIMATE.start_main_~i~4 190), 56898#(<= ULTIMATE.start_main_~i~4 192), 56899#(<= ULTIMATE.start_main_~i~4 194), 56900#(<= ULTIMATE.start_main_~i~4 196), 56901#(<= ULTIMATE.start_main_~i~4 198), 56902#(<= ULTIMATE.start_main_~i~4 200), 56903#(<= ULTIMATE.start_main_~i~4 202), 56904#(<= ULTIMATE.start_main_~i~4 204), 56905#(<= ULTIMATE.start_main_~i~4 206), 56906#(<= ULTIMATE.start_main_~i~4 208), 56907#(<= ULTIMATE.start_main_~i~4 210), 56908#(<= ULTIMATE.start_main_~i~4 212), 56909#(<= ULTIMATE.start_main_~i~4 214), 56910#(<= ULTIMATE.start_main_~i~4 216), 56911#(<= ULTIMATE.start_main_~i~4 218), 56800#true, 56801#false, 56802#(<= ULTIMATE.start_main_~i~4 0), 56803#(<= ULTIMATE.start_main_~i~4 2), 56804#(<= ULTIMATE.start_main_~i~4 4), 56805#(<= ULTIMATE.start_main_~i~4 6), 56806#(<= ULTIMATE.start_main_~i~4 8), 56807#(<= ULTIMATE.start_main_~i~4 10), 56808#(<= ULTIMATE.start_main_~i~4 12), 56809#(<= ULTIMATE.start_main_~i~4 14), 56810#(<= ULTIMATE.start_main_~i~4 16), 56811#(<= ULTIMATE.start_main_~i~4 18), 56812#(<= ULTIMATE.start_main_~i~4 20), 56813#(<= ULTIMATE.start_main_~i~4 22), 56814#(<= ULTIMATE.start_main_~i~4 24), 56815#(<= ULTIMATE.start_main_~i~4 26), 56816#(<= ULTIMATE.start_main_~i~4 28), 56817#(<= ULTIMATE.start_main_~i~4 30), 56818#(<= ULTIMATE.start_main_~i~4 32), 56819#(<= ULTIMATE.start_main_~i~4 34), 56820#(<= ULTIMATE.start_main_~i~4 36), 56821#(<= ULTIMATE.start_main_~i~4 38), 56822#(<= ULTIMATE.start_main_~i~4 40), 56823#(<= ULTIMATE.start_main_~i~4 42), 56824#(<= ULTIMATE.start_main_~i~4 44), 56825#(<= ULTIMATE.start_main_~i~4 46), 56826#(<= ULTIMATE.start_main_~i~4 48), 56827#(<= ULTIMATE.start_main_~i~4 50), 56828#(<= ULTIMATE.start_main_~i~4 52), 56829#(<= ULTIMATE.start_main_~i~4 54), 56830#(<= ULTIMATE.start_main_~i~4 56), 56831#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:45:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,787 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:45:23,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:45:23,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:45:23,789 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 112 states. [2018-07-23 13:45:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:23,931 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:45:23,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:45:23,931 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 222 [2018-07-23 13:45:23,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:23,932 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:45:23,932 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:45:23,933 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:45:23,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:45:23,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:45:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:45:23,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:45:23,937 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 222 [2018-07-23 13:45:23,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:23,937 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:45:23,937 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:45:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:45:23,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:45:23,939 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:23,939 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1] [2018-07-23 13:45:23,939 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:23,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1388478925, now seen corresponding path program 110 times [2018-07-23 13:45:23,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,255 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:24,255 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:45:24,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,256 INFO L185 omatonBuilderFactory]: Interpolants [57856#(<= ULTIMATE.start_main_~i~4 76), 57857#(<= ULTIMATE.start_main_~i~4 78), 57858#(<= ULTIMATE.start_main_~i~4 80), 57859#(<= ULTIMATE.start_main_~i~4 82), 57860#(<= ULTIMATE.start_main_~i~4 84), 57861#(<= ULTIMATE.start_main_~i~4 86), 57862#(<= ULTIMATE.start_main_~i~4 88), 57863#(<= ULTIMATE.start_main_~i~4 90), 57864#(<= ULTIMATE.start_main_~i~4 92), 57865#(<= ULTIMATE.start_main_~i~4 94), 57866#(<= ULTIMATE.start_main_~i~4 96), 57867#(<= ULTIMATE.start_main_~i~4 98), 57868#(<= ULTIMATE.start_main_~i~4 100), 57869#(<= ULTIMATE.start_main_~i~4 102), 57870#(<= ULTIMATE.start_main_~i~4 104), 57871#(<= ULTIMATE.start_main_~i~4 106), 57872#(<= ULTIMATE.start_main_~i~4 108), 57873#(<= ULTIMATE.start_main_~i~4 110), 57874#(<= ULTIMATE.start_main_~i~4 112), 57875#(<= ULTIMATE.start_main_~i~4 114), 57876#(<= ULTIMATE.start_main_~i~4 116), 57877#(<= ULTIMATE.start_main_~i~4 118), 57878#(<= ULTIMATE.start_main_~i~4 120), 57879#(<= ULTIMATE.start_main_~i~4 122), 57880#(<= ULTIMATE.start_main_~i~4 124), 57881#(<= ULTIMATE.start_main_~i~4 126), 57882#(<= ULTIMATE.start_main_~i~4 128), 57883#(<= ULTIMATE.start_main_~i~4 130), 57884#(<= ULTIMATE.start_main_~i~4 132), 57885#(<= ULTIMATE.start_main_~i~4 134), 57886#(<= ULTIMATE.start_main_~i~4 136), 57887#(<= ULTIMATE.start_main_~i~4 138), 57888#(<= ULTIMATE.start_main_~i~4 140), 57889#(<= ULTIMATE.start_main_~i~4 142), 57890#(<= ULTIMATE.start_main_~i~4 144), 57891#(<= ULTIMATE.start_main_~i~4 146), 57892#(<= ULTIMATE.start_main_~i~4 148), 57893#(<= ULTIMATE.start_main_~i~4 150), 57894#(<= ULTIMATE.start_main_~i~4 152), 57895#(<= ULTIMATE.start_main_~i~4 154), 57896#(<= ULTIMATE.start_main_~i~4 156), 57897#(<= ULTIMATE.start_main_~i~4 158), 57898#(<= ULTIMATE.start_main_~i~4 160), 57899#(<= ULTIMATE.start_main_~i~4 162), 57900#(<= ULTIMATE.start_main_~i~4 164), 57901#(<= ULTIMATE.start_main_~i~4 166), 57902#(<= ULTIMATE.start_main_~i~4 168), 57903#(<= ULTIMATE.start_main_~i~4 170), 57904#(<= ULTIMATE.start_main_~i~4 172), 57905#(<= ULTIMATE.start_main_~i~4 174), 57906#(<= ULTIMATE.start_main_~i~4 176), 57907#(<= ULTIMATE.start_main_~i~4 178), 57908#(<= ULTIMATE.start_main_~i~4 180), 57909#(<= ULTIMATE.start_main_~i~4 182), 57910#(<= ULTIMATE.start_main_~i~4 184), 57911#(<= ULTIMATE.start_main_~i~4 186), 57912#(<= ULTIMATE.start_main_~i~4 188), 57913#(<= ULTIMATE.start_main_~i~4 190), 57914#(<= ULTIMATE.start_main_~i~4 192), 57915#(<= ULTIMATE.start_main_~i~4 194), 57916#(<= ULTIMATE.start_main_~i~4 196), 57917#(<= ULTIMATE.start_main_~i~4 198), 57918#(<= ULTIMATE.start_main_~i~4 200), 57919#(<= ULTIMATE.start_main_~i~4 202), 57920#(<= ULTIMATE.start_main_~i~4 204), 57921#(<= ULTIMATE.start_main_~i~4 206), 57922#(<= ULTIMATE.start_main_~i~4 208), 57923#(<= ULTIMATE.start_main_~i~4 210), 57924#(<= ULTIMATE.start_main_~i~4 212), 57925#(<= ULTIMATE.start_main_~i~4 214), 57926#(<= ULTIMATE.start_main_~i~4 216), 57927#(<= ULTIMATE.start_main_~i~4 218), 57928#(<= ULTIMATE.start_main_~i~4 220), 57816#true, 57817#false, 57818#(<= ULTIMATE.start_main_~i~4 0), 57819#(<= ULTIMATE.start_main_~i~4 2), 57820#(<= ULTIMATE.start_main_~i~4 4), 57821#(<= ULTIMATE.start_main_~i~4 6), 57822#(<= ULTIMATE.start_main_~i~4 8), 57823#(<= ULTIMATE.start_main_~i~4 10), 57824#(<= ULTIMATE.start_main_~i~4 12), 57825#(<= ULTIMATE.start_main_~i~4 14), 57826#(<= ULTIMATE.start_main_~i~4 16), 57827#(<= ULTIMATE.start_main_~i~4 18), 57828#(<= ULTIMATE.start_main_~i~4 20), 57829#(<= ULTIMATE.start_main_~i~4 22), 57830#(<= ULTIMATE.start_main_~i~4 24), 57831#(<= ULTIMATE.start_main_~i~4 26), 57832#(<= ULTIMATE.start_main_~i~4 28), 57833#(<= ULTIMATE.start_main_~i~4 30), 57834#(<= ULTIMATE.start_main_~i~4 32), 57835#(<= ULTIMATE.start_main_~i~4 34), 57836#(<= ULTIMATE.start_main_~i~4 36), 57837#(<= ULTIMATE.start_main_~i~4 38), 57838#(<= ULTIMATE.start_main_~i~4 40), 57839#(<= ULTIMATE.start_main_~i~4 42), 57840#(<= ULTIMATE.start_main_~i~4 44), 57841#(<= ULTIMATE.start_main_~i~4 46), 57842#(<= ULTIMATE.start_main_~i~4 48), 57843#(<= ULTIMATE.start_main_~i~4 50), 57844#(<= ULTIMATE.start_main_~i~4 52), 57845#(<= ULTIMATE.start_main_~i~4 54), 57846#(<= ULTIMATE.start_main_~i~4 56), 57847#(<= ULTIMATE.start_main_~i~4 58), 57848#(<= ULTIMATE.start_main_~i~4 60), 57849#(<= ULTIMATE.start_main_~i~4 62), 57850#(<= ULTIMATE.start_main_~i~4 64), 57851#(<= ULTIMATE.start_main_~i~4 66), 57852#(<= ULTIMATE.start_main_~i~4 68), 57853#(<= ULTIMATE.start_main_~i~4 70), 57854#(<= ULTIMATE.start_main_~i~4 72), 57855#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:45:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,257 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:45:24,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:45:24,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:45:24,258 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 113 states. [2018-07-23 13:45:24,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:24,380 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:45:24,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:45:24,380 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 224 [2018-07-23 13:45:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:24,381 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:45:24,381 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:45:24,382 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:45:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:45:24,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:45:24,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:45:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:45:24,388 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 224 [2018-07-23 13:45:24,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:24,389 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:45:24,389 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:45:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:45:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:45:24,390 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:24,390 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1] [2018-07-23 13:45:24,390 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:24,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1406634221, now seen corresponding path program 111 times [2018-07-23 13:45:24,391 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,763 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:24,763 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:45:24,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,764 INFO L185 omatonBuilderFactory]: Interpolants [58880#(<= ULTIMATE.start_main_~i~4 74), 58881#(<= ULTIMATE.start_main_~i~4 76), 58882#(<= ULTIMATE.start_main_~i~4 78), 58883#(<= ULTIMATE.start_main_~i~4 80), 58884#(<= ULTIMATE.start_main_~i~4 82), 58885#(<= ULTIMATE.start_main_~i~4 84), 58886#(<= ULTIMATE.start_main_~i~4 86), 58887#(<= ULTIMATE.start_main_~i~4 88), 58888#(<= ULTIMATE.start_main_~i~4 90), 58889#(<= ULTIMATE.start_main_~i~4 92), 58890#(<= ULTIMATE.start_main_~i~4 94), 58891#(<= ULTIMATE.start_main_~i~4 96), 58892#(<= ULTIMATE.start_main_~i~4 98), 58893#(<= ULTIMATE.start_main_~i~4 100), 58894#(<= ULTIMATE.start_main_~i~4 102), 58895#(<= ULTIMATE.start_main_~i~4 104), 58896#(<= ULTIMATE.start_main_~i~4 106), 58897#(<= ULTIMATE.start_main_~i~4 108), 58898#(<= ULTIMATE.start_main_~i~4 110), 58899#(<= ULTIMATE.start_main_~i~4 112), 58900#(<= ULTIMATE.start_main_~i~4 114), 58901#(<= ULTIMATE.start_main_~i~4 116), 58902#(<= ULTIMATE.start_main_~i~4 118), 58903#(<= ULTIMATE.start_main_~i~4 120), 58904#(<= ULTIMATE.start_main_~i~4 122), 58905#(<= ULTIMATE.start_main_~i~4 124), 58906#(<= ULTIMATE.start_main_~i~4 126), 58907#(<= ULTIMATE.start_main_~i~4 128), 58908#(<= ULTIMATE.start_main_~i~4 130), 58909#(<= ULTIMATE.start_main_~i~4 132), 58910#(<= ULTIMATE.start_main_~i~4 134), 58911#(<= ULTIMATE.start_main_~i~4 136), 58912#(<= ULTIMATE.start_main_~i~4 138), 58913#(<= ULTIMATE.start_main_~i~4 140), 58914#(<= ULTIMATE.start_main_~i~4 142), 58915#(<= ULTIMATE.start_main_~i~4 144), 58916#(<= ULTIMATE.start_main_~i~4 146), 58917#(<= ULTIMATE.start_main_~i~4 148), 58918#(<= ULTIMATE.start_main_~i~4 150), 58919#(<= ULTIMATE.start_main_~i~4 152), 58920#(<= ULTIMATE.start_main_~i~4 154), 58921#(<= ULTIMATE.start_main_~i~4 156), 58922#(<= ULTIMATE.start_main_~i~4 158), 58923#(<= ULTIMATE.start_main_~i~4 160), 58924#(<= ULTIMATE.start_main_~i~4 162), 58925#(<= ULTIMATE.start_main_~i~4 164), 58926#(<= ULTIMATE.start_main_~i~4 166), 58927#(<= ULTIMATE.start_main_~i~4 168), 58928#(<= ULTIMATE.start_main_~i~4 170), 58929#(<= ULTIMATE.start_main_~i~4 172), 58930#(<= ULTIMATE.start_main_~i~4 174), 58931#(<= ULTIMATE.start_main_~i~4 176), 58932#(<= ULTIMATE.start_main_~i~4 178), 58933#(<= ULTIMATE.start_main_~i~4 180), 58934#(<= ULTIMATE.start_main_~i~4 182), 58935#(<= ULTIMATE.start_main_~i~4 184), 58936#(<= ULTIMATE.start_main_~i~4 186), 58937#(<= ULTIMATE.start_main_~i~4 188), 58938#(<= ULTIMATE.start_main_~i~4 190), 58939#(<= ULTIMATE.start_main_~i~4 192), 58940#(<= ULTIMATE.start_main_~i~4 194), 58941#(<= ULTIMATE.start_main_~i~4 196), 58942#(<= ULTIMATE.start_main_~i~4 198), 58943#(<= ULTIMATE.start_main_~i~4 200), 58944#(<= ULTIMATE.start_main_~i~4 202), 58945#(<= ULTIMATE.start_main_~i~4 204), 58946#(<= ULTIMATE.start_main_~i~4 206), 58947#(<= ULTIMATE.start_main_~i~4 208), 58948#(<= ULTIMATE.start_main_~i~4 210), 58949#(<= ULTIMATE.start_main_~i~4 212), 58950#(<= ULTIMATE.start_main_~i~4 214), 58951#(<= ULTIMATE.start_main_~i~4 216), 58952#(<= ULTIMATE.start_main_~i~4 218), 58953#(<= ULTIMATE.start_main_~i~4 220), 58954#(<= ULTIMATE.start_main_~i~4 222), 58841#true, 58842#false, 58843#(<= ULTIMATE.start_main_~i~4 0), 58844#(<= ULTIMATE.start_main_~i~4 2), 58845#(<= ULTIMATE.start_main_~i~4 4), 58846#(<= ULTIMATE.start_main_~i~4 6), 58847#(<= ULTIMATE.start_main_~i~4 8), 58848#(<= ULTIMATE.start_main_~i~4 10), 58849#(<= ULTIMATE.start_main_~i~4 12), 58850#(<= ULTIMATE.start_main_~i~4 14), 58851#(<= ULTIMATE.start_main_~i~4 16), 58852#(<= ULTIMATE.start_main_~i~4 18), 58853#(<= ULTIMATE.start_main_~i~4 20), 58854#(<= ULTIMATE.start_main_~i~4 22), 58855#(<= ULTIMATE.start_main_~i~4 24), 58856#(<= ULTIMATE.start_main_~i~4 26), 58857#(<= ULTIMATE.start_main_~i~4 28), 58858#(<= ULTIMATE.start_main_~i~4 30), 58859#(<= ULTIMATE.start_main_~i~4 32), 58860#(<= ULTIMATE.start_main_~i~4 34), 58861#(<= ULTIMATE.start_main_~i~4 36), 58862#(<= ULTIMATE.start_main_~i~4 38), 58863#(<= ULTIMATE.start_main_~i~4 40), 58864#(<= ULTIMATE.start_main_~i~4 42), 58865#(<= ULTIMATE.start_main_~i~4 44), 58866#(<= ULTIMATE.start_main_~i~4 46), 58867#(<= ULTIMATE.start_main_~i~4 48), 58868#(<= ULTIMATE.start_main_~i~4 50), 58869#(<= ULTIMATE.start_main_~i~4 52), 58870#(<= ULTIMATE.start_main_~i~4 54), 58871#(<= ULTIMATE.start_main_~i~4 56), 58872#(<= ULTIMATE.start_main_~i~4 58), 58873#(<= ULTIMATE.start_main_~i~4 60), 58874#(<= ULTIMATE.start_main_~i~4 62), 58875#(<= ULTIMATE.start_main_~i~4 64), 58876#(<= ULTIMATE.start_main_~i~4 66), 58877#(<= ULTIMATE.start_main_~i~4 68), 58878#(<= ULTIMATE.start_main_~i~4 70), 58879#(<= ULTIMATE.start_main_~i~4 72)] [2018-07-23 13:45:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,764 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:45:24,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:45:24,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:45:24,766 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 114 states. [2018-07-23 13:45:24,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:24,889 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:45:24,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:45:24,889 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 226 [2018-07-23 13:45:24,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:24,890 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:45:24,890 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:45:24,891 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:45:24,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:45:24,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:45:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:45:24,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:45:24,895 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 226 [2018-07-23 13:45:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:24,895 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:45:24,895 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:45:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:45:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:45:24,896 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:24,896 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1] [2018-07-23 13:45:24,897 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:24,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1139159769, now seen corresponding path program 112 times [2018-07-23 13:45:24,897 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,203 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:25,203 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:45:25,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,204 INFO L185 omatonBuilderFactory]: Interpolants [59904#(<= ULTIMATE.start_main_~i~4 54), 59905#(<= ULTIMATE.start_main_~i~4 56), 59906#(<= ULTIMATE.start_main_~i~4 58), 59907#(<= ULTIMATE.start_main_~i~4 60), 59908#(<= ULTIMATE.start_main_~i~4 62), 59909#(<= ULTIMATE.start_main_~i~4 64), 59910#(<= ULTIMATE.start_main_~i~4 66), 59911#(<= ULTIMATE.start_main_~i~4 68), 59912#(<= ULTIMATE.start_main_~i~4 70), 59913#(<= ULTIMATE.start_main_~i~4 72), 59914#(<= ULTIMATE.start_main_~i~4 74), 59915#(<= ULTIMATE.start_main_~i~4 76), 59916#(<= ULTIMATE.start_main_~i~4 78), 59917#(<= ULTIMATE.start_main_~i~4 80), 59918#(<= ULTIMATE.start_main_~i~4 82), 59919#(<= ULTIMATE.start_main_~i~4 84), 59920#(<= ULTIMATE.start_main_~i~4 86), 59921#(<= ULTIMATE.start_main_~i~4 88), 59922#(<= ULTIMATE.start_main_~i~4 90), 59923#(<= ULTIMATE.start_main_~i~4 92), 59924#(<= ULTIMATE.start_main_~i~4 94), 59925#(<= ULTIMATE.start_main_~i~4 96), 59926#(<= ULTIMATE.start_main_~i~4 98), 59927#(<= ULTIMATE.start_main_~i~4 100), 59928#(<= ULTIMATE.start_main_~i~4 102), 59929#(<= ULTIMATE.start_main_~i~4 104), 59930#(<= ULTIMATE.start_main_~i~4 106), 59931#(<= ULTIMATE.start_main_~i~4 108), 59932#(<= ULTIMATE.start_main_~i~4 110), 59933#(<= ULTIMATE.start_main_~i~4 112), 59934#(<= ULTIMATE.start_main_~i~4 114), 59935#(<= ULTIMATE.start_main_~i~4 116), 59936#(<= ULTIMATE.start_main_~i~4 118), 59937#(<= ULTIMATE.start_main_~i~4 120), 59938#(<= ULTIMATE.start_main_~i~4 122), 59939#(<= ULTIMATE.start_main_~i~4 124), 59940#(<= ULTIMATE.start_main_~i~4 126), 59941#(<= ULTIMATE.start_main_~i~4 128), 59942#(<= ULTIMATE.start_main_~i~4 130), 59943#(<= ULTIMATE.start_main_~i~4 132), 59944#(<= ULTIMATE.start_main_~i~4 134), 59945#(<= ULTIMATE.start_main_~i~4 136), 59946#(<= ULTIMATE.start_main_~i~4 138), 59947#(<= ULTIMATE.start_main_~i~4 140), 59948#(<= ULTIMATE.start_main_~i~4 142), 59949#(<= ULTIMATE.start_main_~i~4 144), 59950#(<= ULTIMATE.start_main_~i~4 146), 59951#(<= ULTIMATE.start_main_~i~4 148), 59952#(<= ULTIMATE.start_main_~i~4 150), 59953#(<= ULTIMATE.start_main_~i~4 152), 59954#(<= ULTIMATE.start_main_~i~4 154), 59955#(<= ULTIMATE.start_main_~i~4 156), 59956#(<= ULTIMATE.start_main_~i~4 158), 59957#(<= ULTIMATE.start_main_~i~4 160), 59958#(<= ULTIMATE.start_main_~i~4 162), 59959#(<= ULTIMATE.start_main_~i~4 164), 59960#(<= ULTIMATE.start_main_~i~4 166), 59961#(<= ULTIMATE.start_main_~i~4 168), 59962#(<= ULTIMATE.start_main_~i~4 170), 59963#(<= ULTIMATE.start_main_~i~4 172), 59964#(<= ULTIMATE.start_main_~i~4 174), 59965#(<= ULTIMATE.start_main_~i~4 176), 59966#(<= ULTIMATE.start_main_~i~4 178), 59967#(<= ULTIMATE.start_main_~i~4 180), 59968#(<= ULTIMATE.start_main_~i~4 182), 59969#(<= ULTIMATE.start_main_~i~4 184), 59970#(<= ULTIMATE.start_main_~i~4 186), 59971#(<= ULTIMATE.start_main_~i~4 188), 59972#(<= ULTIMATE.start_main_~i~4 190), 59973#(<= ULTIMATE.start_main_~i~4 192), 59974#(<= ULTIMATE.start_main_~i~4 194), 59975#(<= ULTIMATE.start_main_~i~4 196), 59976#(<= ULTIMATE.start_main_~i~4 198), 59977#(<= ULTIMATE.start_main_~i~4 200), 59978#(<= ULTIMATE.start_main_~i~4 202), 59979#(<= ULTIMATE.start_main_~i~4 204), 59980#(<= ULTIMATE.start_main_~i~4 206), 59981#(<= ULTIMATE.start_main_~i~4 208), 59982#(<= ULTIMATE.start_main_~i~4 210), 59983#(<= ULTIMATE.start_main_~i~4 212), 59984#(<= ULTIMATE.start_main_~i~4 214), 59985#(<= ULTIMATE.start_main_~i~4 216), 59986#(<= ULTIMATE.start_main_~i~4 218), 59987#(<= ULTIMATE.start_main_~i~4 220), 59988#(<= ULTIMATE.start_main_~i~4 222), 59989#(<= ULTIMATE.start_main_~i~4 224), 59875#true, 59876#false, 59877#(<= ULTIMATE.start_main_~i~4 0), 59878#(<= ULTIMATE.start_main_~i~4 2), 59879#(<= ULTIMATE.start_main_~i~4 4), 59880#(<= ULTIMATE.start_main_~i~4 6), 59881#(<= ULTIMATE.start_main_~i~4 8), 59882#(<= ULTIMATE.start_main_~i~4 10), 59883#(<= ULTIMATE.start_main_~i~4 12), 59884#(<= ULTIMATE.start_main_~i~4 14), 59885#(<= ULTIMATE.start_main_~i~4 16), 59886#(<= ULTIMATE.start_main_~i~4 18), 59887#(<= ULTIMATE.start_main_~i~4 20), 59888#(<= ULTIMATE.start_main_~i~4 22), 59889#(<= ULTIMATE.start_main_~i~4 24), 59890#(<= ULTIMATE.start_main_~i~4 26), 59891#(<= ULTIMATE.start_main_~i~4 28), 59892#(<= ULTIMATE.start_main_~i~4 30), 59893#(<= ULTIMATE.start_main_~i~4 32), 59894#(<= ULTIMATE.start_main_~i~4 34), 59895#(<= ULTIMATE.start_main_~i~4 36), 59896#(<= ULTIMATE.start_main_~i~4 38), 59897#(<= ULTIMATE.start_main_~i~4 40), 59898#(<= ULTIMATE.start_main_~i~4 42), 59899#(<= ULTIMATE.start_main_~i~4 44), 59900#(<= ULTIMATE.start_main_~i~4 46), 59901#(<= ULTIMATE.start_main_~i~4 48), 59902#(<= ULTIMATE.start_main_~i~4 50), 59903#(<= ULTIMATE.start_main_~i~4 52)] [2018-07-23 13:45:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,204 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:45:25,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:45:25,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:45:25,206 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 115 states. [2018-07-23 13:45:25,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:25,393 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:45:25,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:45:25,393 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 228 [2018-07-23 13:45:25,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:25,393 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:45:25,394 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:45:25,394 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:45:25,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:45:25,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:45:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:45:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:45:25,398 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 228 [2018-07-23 13:45:25,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:25,398 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:45:25,399 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:45:25,399 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:45:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:45:25,399 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:25,400 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1] [2018-07-23 13:45:25,400 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:25,400 INFO L82 PathProgramCache]: Analyzing trace with hash 484174561, now seen corresponding path program 113 times [2018-07-23 13:45:25,400 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,717 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:25,717 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:45:25,717 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,718 INFO L185 omatonBuilderFactory]: Interpolants [60928#(<= ULTIMATE.start_main_~i~4 16), 60929#(<= ULTIMATE.start_main_~i~4 18), 60930#(<= ULTIMATE.start_main_~i~4 20), 60931#(<= ULTIMATE.start_main_~i~4 22), 60932#(<= ULTIMATE.start_main_~i~4 24), 60933#(<= ULTIMATE.start_main_~i~4 26), 60934#(<= ULTIMATE.start_main_~i~4 28), 60935#(<= ULTIMATE.start_main_~i~4 30), 60936#(<= ULTIMATE.start_main_~i~4 32), 60937#(<= ULTIMATE.start_main_~i~4 34), 60938#(<= ULTIMATE.start_main_~i~4 36), 60939#(<= ULTIMATE.start_main_~i~4 38), 60940#(<= ULTIMATE.start_main_~i~4 40), 60941#(<= ULTIMATE.start_main_~i~4 42), 60942#(<= ULTIMATE.start_main_~i~4 44), 60943#(<= ULTIMATE.start_main_~i~4 46), 60944#(<= ULTIMATE.start_main_~i~4 48), 60945#(<= ULTIMATE.start_main_~i~4 50), 60946#(<= ULTIMATE.start_main_~i~4 52), 60947#(<= ULTIMATE.start_main_~i~4 54), 60948#(<= ULTIMATE.start_main_~i~4 56), 60949#(<= ULTIMATE.start_main_~i~4 58), 60950#(<= ULTIMATE.start_main_~i~4 60), 60951#(<= ULTIMATE.start_main_~i~4 62), 60952#(<= ULTIMATE.start_main_~i~4 64), 60953#(<= ULTIMATE.start_main_~i~4 66), 60954#(<= ULTIMATE.start_main_~i~4 68), 60955#(<= ULTIMATE.start_main_~i~4 70), 60956#(<= ULTIMATE.start_main_~i~4 72), 60957#(<= ULTIMATE.start_main_~i~4 74), 60958#(<= ULTIMATE.start_main_~i~4 76), 60959#(<= ULTIMATE.start_main_~i~4 78), 60960#(<= ULTIMATE.start_main_~i~4 80), 60961#(<= ULTIMATE.start_main_~i~4 82), 60962#(<= ULTIMATE.start_main_~i~4 84), 60963#(<= ULTIMATE.start_main_~i~4 86), 60964#(<= ULTIMATE.start_main_~i~4 88), 60965#(<= ULTIMATE.start_main_~i~4 90), 60966#(<= ULTIMATE.start_main_~i~4 92), 60967#(<= ULTIMATE.start_main_~i~4 94), 60968#(<= ULTIMATE.start_main_~i~4 96), 60969#(<= ULTIMATE.start_main_~i~4 98), 60970#(<= ULTIMATE.start_main_~i~4 100), 60971#(<= ULTIMATE.start_main_~i~4 102), 60972#(<= ULTIMATE.start_main_~i~4 104), 60973#(<= ULTIMATE.start_main_~i~4 106), 60974#(<= ULTIMATE.start_main_~i~4 108), 60975#(<= ULTIMATE.start_main_~i~4 110), 60976#(<= ULTIMATE.start_main_~i~4 112), 60977#(<= ULTIMATE.start_main_~i~4 114), 60978#(<= ULTIMATE.start_main_~i~4 116), 60979#(<= ULTIMATE.start_main_~i~4 118), 60980#(<= ULTIMATE.start_main_~i~4 120), 60981#(<= ULTIMATE.start_main_~i~4 122), 60982#(<= ULTIMATE.start_main_~i~4 124), 60983#(<= ULTIMATE.start_main_~i~4 126), 60984#(<= ULTIMATE.start_main_~i~4 128), 60985#(<= ULTIMATE.start_main_~i~4 130), 60986#(<= ULTIMATE.start_main_~i~4 132), 60987#(<= ULTIMATE.start_main_~i~4 134), 60988#(<= ULTIMATE.start_main_~i~4 136), 60989#(<= ULTIMATE.start_main_~i~4 138), 60990#(<= ULTIMATE.start_main_~i~4 140), 60991#(<= ULTIMATE.start_main_~i~4 142), 60992#(<= ULTIMATE.start_main_~i~4 144), 60993#(<= ULTIMATE.start_main_~i~4 146), 60994#(<= ULTIMATE.start_main_~i~4 148), 60995#(<= ULTIMATE.start_main_~i~4 150), 60996#(<= ULTIMATE.start_main_~i~4 152), 60997#(<= ULTIMATE.start_main_~i~4 154), 60998#(<= ULTIMATE.start_main_~i~4 156), 60999#(<= ULTIMATE.start_main_~i~4 158), 61000#(<= ULTIMATE.start_main_~i~4 160), 61001#(<= ULTIMATE.start_main_~i~4 162), 61002#(<= ULTIMATE.start_main_~i~4 164), 61003#(<= ULTIMATE.start_main_~i~4 166), 61004#(<= ULTIMATE.start_main_~i~4 168), 61005#(<= ULTIMATE.start_main_~i~4 170), 61006#(<= ULTIMATE.start_main_~i~4 172), 61007#(<= ULTIMATE.start_main_~i~4 174), 61008#(<= ULTIMATE.start_main_~i~4 176), 61009#(<= ULTIMATE.start_main_~i~4 178), 61010#(<= ULTIMATE.start_main_~i~4 180), 61011#(<= ULTIMATE.start_main_~i~4 182), 61012#(<= ULTIMATE.start_main_~i~4 184), 61013#(<= ULTIMATE.start_main_~i~4 186), 61014#(<= ULTIMATE.start_main_~i~4 188), 61015#(<= ULTIMATE.start_main_~i~4 190), 61016#(<= ULTIMATE.start_main_~i~4 192), 61017#(<= ULTIMATE.start_main_~i~4 194), 61018#(<= ULTIMATE.start_main_~i~4 196), 61019#(<= ULTIMATE.start_main_~i~4 198), 61020#(<= ULTIMATE.start_main_~i~4 200), 61021#(<= ULTIMATE.start_main_~i~4 202), 61022#(<= ULTIMATE.start_main_~i~4 204), 61023#(<= ULTIMATE.start_main_~i~4 206), 61024#(<= ULTIMATE.start_main_~i~4 208), 61025#(<= ULTIMATE.start_main_~i~4 210), 61026#(<= ULTIMATE.start_main_~i~4 212), 61027#(<= ULTIMATE.start_main_~i~4 214), 61028#(<= ULTIMATE.start_main_~i~4 216), 61029#(<= ULTIMATE.start_main_~i~4 218), 61030#(<= ULTIMATE.start_main_~i~4 220), 61031#(<= ULTIMATE.start_main_~i~4 222), 61032#(<= ULTIMATE.start_main_~i~4 224), 61033#(<= ULTIMATE.start_main_~i~4 226), 60918#true, 60919#false, 60920#(<= ULTIMATE.start_main_~i~4 0), 60921#(<= ULTIMATE.start_main_~i~4 2), 60922#(<= ULTIMATE.start_main_~i~4 4), 60923#(<= ULTIMATE.start_main_~i~4 6), 60924#(<= ULTIMATE.start_main_~i~4 8), 60925#(<= ULTIMATE.start_main_~i~4 10), 60926#(<= ULTIMATE.start_main_~i~4 12), 60927#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:45:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,718 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:45:25,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:45:25,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:45:25,720 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 116 states. [2018-07-23 13:45:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:25,936 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:45:25,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:45:25,936 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 230 [2018-07-23 13:45:25,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:25,936 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:45:25,936 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:45:25,937 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:45:25,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:45:25,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:45:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:45:25,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:45:25,942 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 230 [2018-07-23 13:45:25,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:25,942 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:45:25,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:45:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:45:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:45:25,943 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:25,943 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1] [2018-07-23 13:45:25,943 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:25,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1435337243, now seen corresponding path program 114 times [2018-07-23 13:45:25,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,259 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:26,260 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:45:26,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,260 INFO L185 omatonBuilderFactory]: Interpolants [61970#true, 61971#false, 61972#(<= ULTIMATE.start_main_~i~4 0), 61973#(<= ULTIMATE.start_main_~i~4 2), 61974#(<= ULTIMATE.start_main_~i~4 4), 61975#(<= ULTIMATE.start_main_~i~4 6), 61976#(<= ULTIMATE.start_main_~i~4 8), 61977#(<= ULTIMATE.start_main_~i~4 10), 61978#(<= ULTIMATE.start_main_~i~4 12), 61979#(<= ULTIMATE.start_main_~i~4 14), 61980#(<= ULTIMATE.start_main_~i~4 16), 61981#(<= ULTIMATE.start_main_~i~4 18), 61982#(<= ULTIMATE.start_main_~i~4 20), 61983#(<= ULTIMATE.start_main_~i~4 22), 61984#(<= ULTIMATE.start_main_~i~4 24), 61985#(<= ULTIMATE.start_main_~i~4 26), 61986#(<= ULTIMATE.start_main_~i~4 28), 61987#(<= ULTIMATE.start_main_~i~4 30), 61988#(<= ULTIMATE.start_main_~i~4 32), 61989#(<= ULTIMATE.start_main_~i~4 34), 61990#(<= ULTIMATE.start_main_~i~4 36), 61991#(<= ULTIMATE.start_main_~i~4 38), 61992#(<= ULTIMATE.start_main_~i~4 40), 61993#(<= ULTIMATE.start_main_~i~4 42), 61994#(<= ULTIMATE.start_main_~i~4 44), 61995#(<= ULTIMATE.start_main_~i~4 46), 61996#(<= ULTIMATE.start_main_~i~4 48), 61997#(<= ULTIMATE.start_main_~i~4 50), 61998#(<= ULTIMATE.start_main_~i~4 52), 61999#(<= ULTIMATE.start_main_~i~4 54), 62000#(<= ULTIMATE.start_main_~i~4 56), 62001#(<= ULTIMATE.start_main_~i~4 58), 62002#(<= ULTIMATE.start_main_~i~4 60), 62003#(<= ULTIMATE.start_main_~i~4 62), 62004#(<= ULTIMATE.start_main_~i~4 64), 62005#(<= ULTIMATE.start_main_~i~4 66), 62006#(<= ULTIMATE.start_main_~i~4 68), 62007#(<= ULTIMATE.start_main_~i~4 70), 62008#(<= ULTIMATE.start_main_~i~4 72), 62009#(<= ULTIMATE.start_main_~i~4 74), 62010#(<= ULTIMATE.start_main_~i~4 76), 62011#(<= ULTIMATE.start_main_~i~4 78), 62012#(<= ULTIMATE.start_main_~i~4 80), 62013#(<= ULTIMATE.start_main_~i~4 82), 62014#(<= ULTIMATE.start_main_~i~4 84), 62015#(<= ULTIMATE.start_main_~i~4 86), 62016#(<= ULTIMATE.start_main_~i~4 88), 62017#(<= ULTIMATE.start_main_~i~4 90), 62018#(<= ULTIMATE.start_main_~i~4 92), 62019#(<= ULTIMATE.start_main_~i~4 94), 62020#(<= ULTIMATE.start_main_~i~4 96), 62021#(<= ULTIMATE.start_main_~i~4 98), 62022#(<= ULTIMATE.start_main_~i~4 100), 62023#(<= ULTIMATE.start_main_~i~4 102), 62024#(<= ULTIMATE.start_main_~i~4 104), 62025#(<= ULTIMATE.start_main_~i~4 106), 62026#(<= ULTIMATE.start_main_~i~4 108), 62027#(<= ULTIMATE.start_main_~i~4 110), 62028#(<= ULTIMATE.start_main_~i~4 112), 62029#(<= ULTIMATE.start_main_~i~4 114), 62030#(<= ULTIMATE.start_main_~i~4 116), 62031#(<= ULTIMATE.start_main_~i~4 118), 62032#(<= ULTIMATE.start_main_~i~4 120), 62033#(<= ULTIMATE.start_main_~i~4 122), 62034#(<= ULTIMATE.start_main_~i~4 124), 62035#(<= ULTIMATE.start_main_~i~4 126), 62036#(<= ULTIMATE.start_main_~i~4 128), 62037#(<= ULTIMATE.start_main_~i~4 130), 62038#(<= ULTIMATE.start_main_~i~4 132), 62039#(<= ULTIMATE.start_main_~i~4 134), 62040#(<= ULTIMATE.start_main_~i~4 136), 62041#(<= ULTIMATE.start_main_~i~4 138), 62042#(<= ULTIMATE.start_main_~i~4 140), 62043#(<= ULTIMATE.start_main_~i~4 142), 62044#(<= ULTIMATE.start_main_~i~4 144), 62045#(<= ULTIMATE.start_main_~i~4 146), 62046#(<= ULTIMATE.start_main_~i~4 148), 62047#(<= ULTIMATE.start_main_~i~4 150), 62048#(<= ULTIMATE.start_main_~i~4 152), 62049#(<= ULTIMATE.start_main_~i~4 154), 62050#(<= ULTIMATE.start_main_~i~4 156), 62051#(<= ULTIMATE.start_main_~i~4 158), 62052#(<= ULTIMATE.start_main_~i~4 160), 62053#(<= ULTIMATE.start_main_~i~4 162), 62054#(<= ULTIMATE.start_main_~i~4 164), 62055#(<= ULTIMATE.start_main_~i~4 166), 62056#(<= ULTIMATE.start_main_~i~4 168), 62057#(<= ULTIMATE.start_main_~i~4 170), 62058#(<= ULTIMATE.start_main_~i~4 172), 62059#(<= ULTIMATE.start_main_~i~4 174), 62060#(<= ULTIMATE.start_main_~i~4 176), 62061#(<= ULTIMATE.start_main_~i~4 178), 62062#(<= ULTIMATE.start_main_~i~4 180), 62063#(<= ULTIMATE.start_main_~i~4 182), 62064#(<= ULTIMATE.start_main_~i~4 184), 62065#(<= ULTIMATE.start_main_~i~4 186), 62066#(<= ULTIMATE.start_main_~i~4 188), 62067#(<= ULTIMATE.start_main_~i~4 190), 62068#(<= ULTIMATE.start_main_~i~4 192), 62069#(<= ULTIMATE.start_main_~i~4 194), 62070#(<= ULTIMATE.start_main_~i~4 196), 62071#(<= ULTIMATE.start_main_~i~4 198), 62072#(<= ULTIMATE.start_main_~i~4 200), 62073#(<= ULTIMATE.start_main_~i~4 202), 62074#(<= ULTIMATE.start_main_~i~4 204), 62075#(<= ULTIMATE.start_main_~i~4 206), 62076#(<= ULTIMATE.start_main_~i~4 208), 62077#(<= ULTIMATE.start_main_~i~4 210), 62078#(<= ULTIMATE.start_main_~i~4 212), 62079#(<= ULTIMATE.start_main_~i~4 214), 62080#(<= ULTIMATE.start_main_~i~4 216), 62081#(<= ULTIMATE.start_main_~i~4 218), 62082#(<= ULTIMATE.start_main_~i~4 220), 62083#(<= ULTIMATE.start_main_~i~4 222), 62084#(<= ULTIMATE.start_main_~i~4 224), 62085#(<= ULTIMATE.start_main_~i~4 226), 62086#(<= ULTIMATE.start_main_~i~4 228)] [2018-07-23 13:45:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,261 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:45:26,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:45:26,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:45:26,262 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 117 states. [2018-07-23 13:45:26,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:26,502 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:45:26,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:45:26,503 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 232 [2018-07-23 13:45:26,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:26,503 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:45:26,503 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:45:26,504 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:45:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:45:26,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:45:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:45:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:45:26,509 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 232 [2018-07-23 13:45:26,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:26,509 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:45:26,509 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:45:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:45:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:45:26,510 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:26,510 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1] [2018-07-23 13:45:26,510 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:26,511 INFO L82 PathProgramCache]: Analyzing trace with hash 674640597, now seen corresponding path program 115 times [2018-07-23 13:45:26,511 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,853 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:26,853 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:45:26,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,854 INFO L185 omatonBuilderFactory]: Interpolants [63031#true, 63032#false, 63033#(<= ULTIMATE.start_main_~i~4 0), 63034#(<= ULTIMATE.start_main_~i~4 2), 63035#(<= ULTIMATE.start_main_~i~4 4), 63036#(<= ULTIMATE.start_main_~i~4 6), 63037#(<= ULTIMATE.start_main_~i~4 8), 63038#(<= ULTIMATE.start_main_~i~4 10), 63039#(<= ULTIMATE.start_main_~i~4 12), 63040#(<= ULTIMATE.start_main_~i~4 14), 63041#(<= ULTIMATE.start_main_~i~4 16), 63042#(<= ULTIMATE.start_main_~i~4 18), 63043#(<= ULTIMATE.start_main_~i~4 20), 63044#(<= ULTIMATE.start_main_~i~4 22), 63045#(<= ULTIMATE.start_main_~i~4 24), 63046#(<= ULTIMATE.start_main_~i~4 26), 63047#(<= ULTIMATE.start_main_~i~4 28), 63048#(<= ULTIMATE.start_main_~i~4 30), 63049#(<= ULTIMATE.start_main_~i~4 32), 63050#(<= ULTIMATE.start_main_~i~4 34), 63051#(<= ULTIMATE.start_main_~i~4 36), 63052#(<= ULTIMATE.start_main_~i~4 38), 63053#(<= ULTIMATE.start_main_~i~4 40), 63054#(<= ULTIMATE.start_main_~i~4 42), 63055#(<= ULTIMATE.start_main_~i~4 44), 63056#(<= ULTIMATE.start_main_~i~4 46), 63057#(<= ULTIMATE.start_main_~i~4 48), 63058#(<= ULTIMATE.start_main_~i~4 50), 63059#(<= ULTIMATE.start_main_~i~4 52), 63060#(<= ULTIMATE.start_main_~i~4 54), 63061#(<= ULTIMATE.start_main_~i~4 56), 63062#(<= ULTIMATE.start_main_~i~4 58), 63063#(<= ULTIMATE.start_main_~i~4 60), 63064#(<= ULTIMATE.start_main_~i~4 62), 63065#(<= ULTIMATE.start_main_~i~4 64), 63066#(<= ULTIMATE.start_main_~i~4 66), 63067#(<= ULTIMATE.start_main_~i~4 68), 63068#(<= ULTIMATE.start_main_~i~4 70), 63069#(<= ULTIMATE.start_main_~i~4 72), 63070#(<= ULTIMATE.start_main_~i~4 74), 63071#(<= ULTIMATE.start_main_~i~4 76), 63072#(<= ULTIMATE.start_main_~i~4 78), 63073#(<= ULTIMATE.start_main_~i~4 80), 63074#(<= ULTIMATE.start_main_~i~4 82), 63075#(<= ULTIMATE.start_main_~i~4 84), 63076#(<= ULTIMATE.start_main_~i~4 86), 63077#(<= ULTIMATE.start_main_~i~4 88), 63078#(<= ULTIMATE.start_main_~i~4 90), 63079#(<= ULTIMATE.start_main_~i~4 92), 63080#(<= ULTIMATE.start_main_~i~4 94), 63081#(<= ULTIMATE.start_main_~i~4 96), 63082#(<= ULTIMATE.start_main_~i~4 98), 63083#(<= ULTIMATE.start_main_~i~4 100), 63084#(<= ULTIMATE.start_main_~i~4 102), 63085#(<= ULTIMATE.start_main_~i~4 104), 63086#(<= ULTIMATE.start_main_~i~4 106), 63087#(<= ULTIMATE.start_main_~i~4 108), 63088#(<= ULTIMATE.start_main_~i~4 110), 63089#(<= ULTIMATE.start_main_~i~4 112), 63090#(<= ULTIMATE.start_main_~i~4 114), 63091#(<= ULTIMATE.start_main_~i~4 116), 63092#(<= ULTIMATE.start_main_~i~4 118), 63093#(<= ULTIMATE.start_main_~i~4 120), 63094#(<= ULTIMATE.start_main_~i~4 122), 63095#(<= ULTIMATE.start_main_~i~4 124), 63096#(<= ULTIMATE.start_main_~i~4 126), 63097#(<= ULTIMATE.start_main_~i~4 128), 63098#(<= ULTIMATE.start_main_~i~4 130), 63099#(<= ULTIMATE.start_main_~i~4 132), 63100#(<= ULTIMATE.start_main_~i~4 134), 63101#(<= ULTIMATE.start_main_~i~4 136), 63102#(<= ULTIMATE.start_main_~i~4 138), 63103#(<= ULTIMATE.start_main_~i~4 140), 63104#(<= ULTIMATE.start_main_~i~4 142), 63105#(<= ULTIMATE.start_main_~i~4 144), 63106#(<= ULTIMATE.start_main_~i~4 146), 63107#(<= ULTIMATE.start_main_~i~4 148), 63108#(<= ULTIMATE.start_main_~i~4 150), 63109#(<= ULTIMATE.start_main_~i~4 152), 63110#(<= ULTIMATE.start_main_~i~4 154), 63111#(<= ULTIMATE.start_main_~i~4 156), 63112#(<= ULTIMATE.start_main_~i~4 158), 63113#(<= ULTIMATE.start_main_~i~4 160), 63114#(<= ULTIMATE.start_main_~i~4 162), 63115#(<= ULTIMATE.start_main_~i~4 164), 63116#(<= ULTIMATE.start_main_~i~4 166), 63117#(<= ULTIMATE.start_main_~i~4 168), 63118#(<= ULTIMATE.start_main_~i~4 170), 63119#(<= ULTIMATE.start_main_~i~4 172), 63120#(<= ULTIMATE.start_main_~i~4 174), 63121#(<= ULTIMATE.start_main_~i~4 176), 63122#(<= ULTIMATE.start_main_~i~4 178), 63123#(<= ULTIMATE.start_main_~i~4 180), 63124#(<= ULTIMATE.start_main_~i~4 182), 63125#(<= ULTIMATE.start_main_~i~4 184), 63126#(<= ULTIMATE.start_main_~i~4 186), 63127#(<= ULTIMATE.start_main_~i~4 188), 63128#(<= ULTIMATE.start_main_~i~4 190), 63129#(<= ULTIMATE.start_main_~i~4 192), 63130#(<= ULTIMATE.start_main_~i~4 194), 63131#(<= ULTIMATE.start_main_~i~4 196), 63132#(<= ULTIMATE.start_main_~i~4 198), 63133#(<= ULTIMATE.start_main_~i~4 200), 63134#(<= ULTIMATE.start_main_~i~4 202), 63135#(<= ULTIMATE.start_main_~i~4 204), 63136#(<= ULTIMATE.start_main_~i~4 206), 63137#(<= ULTIMATE.start_main_~i~4 208), 63138#(<= ULTIMATE.start_main_~i~4 210), 63139#(<= ULTIMATE.start_main_~i~4 212), 63140#(<= ULTIMATE.start_main_~i~4 214), 63141#(<= ULTIMATE.start_main_~i~4 216), 63142#(<= ULTIMATE.start_main_~i~4 218), 63143#(<= ULTIMATE.start_main_~i~4 220), 63144#(<= ULTIMATE.start_main_~i~4 222), 63145#(<= ULTIMATE.start_main_~i~4 224), 63146#(<= ULTIMATE.start_main_~i~4 226), 63147#(<= ULTIMATE.start_main_~i~4 228), 63148#(<= ULTIMATE.start_main_~i~4 230)] [2018-07-23 13:45:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,854 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:45:26,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:45:26,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:45:26,856 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 118 states. [2018-07-23 13:45:27,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:27,034 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:45:27,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:45:27,034 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 234 [2018-07-23 13:45:27,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:27,035 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:45:27,035 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:45:27,036 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:45:27,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:45:27,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:45:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:45:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:45:27,040 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 234 [2018-07-23 13:45:27,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:27,041 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:45:27,041 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:45:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:45:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:45:27,042 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:27,042 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1] [2018-07-23 13:45:27,042 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:27,042 INFO L82 PathProgramCache]: Analyzing trace with hash -210395889, now seen corresponding path program 116 times [2018-07-23 13:45:27,042 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,638 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:27,638 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:45:27,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,639 INFO L185 omatonBuilderFactory]: Interpolants [64101#true, 64102#false, 64103#(<= ULTIMATE.start_main_~i~4 0), 64104#(<= ULTIMATE.start_main_~i~4 2), 64105#(<= ULTIMATE.start_main_~i~4 4), 64106#(<= ULTIMATE.start_main_~i~4 6), 64107#(<= ULTIMATE.start_main_~i~4 8), 64108#(<= ULTIMATE.start_main_~i~4 10), 64109#(<= ULTIMATE.start_main_~i~4 12), 64110#(<= ULTIMATE.start_main_~i~4 14), 64111#(<= ULTIMATE.start_main_~i~4 16), 64112#(<= ULTIMATE.start_main_~i~4 18), 64113#(<= ULTIMATE.start_main_~i~4 20), 64114#(<= ULTIMATE.start_main_~i~4 22), 64115#(<= ULTIMATE.start_main_~i~4 24), 64116#(<= ULTIMATE.start_main_~i~4 26), 64117#(<= ULTIMATE.start_main_~i~4 28), 64118#(<= ULTIMATE.start_main_~i~4 30), 64119#(<= ULTIMATE.start_main_~i~4 32), 64120#(<= ULTIMATE.start_main_~i~4 34), 64121#(<= ULTIMATE.start_main_~i~4 36), 64122#(<= ULTIMATE.start_main_~i~4 38), 64123#(<= ULTIMATE.start_main_~i~4 40), 64124#(<= ULTIMATE.start_main_~i~4 42), 64125#(<= ULTIMATE.start_main_~i~4 44), 64126#(<= ULTIMATE.start_main_~i~4 46), 64127#(<= ULTIMATE.start_main_~i~4 48), 64128#(<= ULTIMATE.start_main_~i~4 50), 64129#(<= ULTIMATE.start_main_~i~4 52), 64130#(<= ULTIMATE.start_main_~i~4 54), 64131#(<= ULTIMATE.start_main_~i~4 56), 64132#(<= ULTIMATE.start_main_~i~4 58), 64133#(<= ULTIMATE.start_main_~i~4 60), 64134#(<= ULTIMATE.start_main_~i~4 62), 64135#(<= ULTIMATE.start_main_~i~4 64), 64136#(<= ULTIMATE.start_main_~i~4 66), 64137#(<= ULTIMATE.start_main_~i~4 68), 64138#(<= ULTIMATE.start_main_~i~4 70), 64139#(<= ULTIMATE.start_main_~i~4 72), 64140#(<= ULTIMATE.start_main_~i~4 74), 64141#(<= ULTIMATE.start_main_~i~4 76), 64142#(<= ULTIMATE.start_main_~i~4 78), 64143#(<= ULTIMATE.start_main_~i~4 80), 64144#(<= ULTIMATE.start_main_~i~4 82), 64145#(<= ULTIMATE.start_main_~i~4 84), 64146#(<= ULTIMATE.start_main_~i~4 86), 64147#(<= ULTIMATE.start_main_~i~4 88), 64148#(<= ULTIMATE.start_main_~i~4 90), 64149#(<= ULTIMATE.start_main_~i~4 92), 64150#(<= ULTIMATE.start_main_~i~4 94), 64151#(<= ULTIMATE.start_main_~i~4 96), 64152#(<= ULTIMATE.start_main_~i~4 98), 64153#(<= ULTIMATE.start_main_~i~4 100), 64154#(<= ULTIMATE.start_main_~i~4 102), 64155#(<= ULTIMATE.start_main_~i~4 104), 64156#(<= ULTIMATE.start_main_~i~4 106), 64157#(<= ULTIMATE.start_main_~i~4 108), 64158#(<= ULTIMATE.start_main_~i~4 110), 64159#(<= ULTIMATE.start_main_~i~4 112), 64160#(<= ULTIMATE.start_main_~i~4 114), 64161#(<= ULTIMATE.start_main_~i~4 116), 64162#(<= ULTIMATE.start_main_~i~4 118), 64163#(<= ULTIMATE.start_main_~i~4 120), 64164#(<= ULTIMATE.start_main_~i~4 122), 64165#(<= ULTIMATE.start_main_~i~4 124), 64166#(<= ULTIMATE.start_main_~i~4 126), 64167#(<= ULTIMATE.start_main_~i~4 128), 64168#(<= ULTIMATE.start_main_~i~4 130), 64169#(<= ULTIMATE.start_main_~i~4 132), 64170#(<= ULTIMATE.start_main_~i~4 134), 64171#(<= ULTIMATE.start_main_~i~4 136), 64172#(<= ULTIMATE.start_main_~i~4 138), 64173#(<= ULTIMATE.start_main_~i~4 140), 64174#(<= ULTIMATE.start_main_~i~4 142), 64175#(<= ULTIMATE.start_main_~i~4 144), 64176#(<= ULTIMATE.start_main_~i~4 146), 64177#(<= ULTIMATE.start_main_~i~4 148), 64178#(<= ULTIMATE.start_main_~i~4 150), 64179#(<= ULTIMATE.start_main_~i~4 152), 64180#(<= ULTIMATE.start_main_~i~4 154), 64181#(<= ULTIMATE.start_main_~i~4 156), 64182#(<= ULTIMATE.start_main_~i~4 158), 64183#(<= ULTIMATE.start_main_~i~4 160), 64184#(<= ULTIMATE.start_main_~i~4 162), 64185#(<= ULTIMATE.start_main_~i~4 164), 64186#(<= ULTIMATE.start_main_~i~4 166), 64187#(<= ULTIMATE.start_main_~i~4 168), 64188#(<= ULTIMATE.start_main_~i~4 170), 64189#(<= ULTIMATE.start_main_~i~4 172), 64190#(<= ULTIMATE.start_main_~i~4 174), 64191#(<= ULTIMATE.start_main_~i~4 176), 64192#(<= ULTIMATE.start_main_~i~4 178), 64193#(<= ULTIMATE.start_main_~i~4 180), 64194#(<= ULTIMATE.start_main_~i~4 182), 64195#(<= ULTIMATE.start_main_~i~4 184), 64196#(<= ULTIMATE.start_main_~i~4 186), 64197#(<= ULTIMATE.start_main_~i~4 188), 64198#(<= ULTIMATE.start_main_~i~4 190), 64199#(<= ULTIMATE.start_main_~i~4 192), 64200#(<= ULTIMATE.start_main_~i~4 194), 64201#(<= ULTIMATE.start_main_~i~4 196), 64202#(<= ULTIMATE.start_main_~i~4 198), 64203#(<= ULTIMATE.start_main_~i~4 200), 64204#(<= ULTIMATE.start_main_~i~4 202), 64205#(<= ULTIMATE.start_main_~i~4 204), 64206#(<= ULTIMATE.start_main_~i~4 206), 64207#(<= ULTIMATE.start_main_~i~4 208), 64208#(<= ULTIMATE.start_main_~i~4 210), 64209#(<= ULTIMATE.start_main_~i~4 212), 64210#(<= ULTIMATE.start_main_~i~4 214), 64211#(<= ULTIMATE.start_main_~i~4 216), 64212#(<= ULTIMATE.start_main_~i~4 218), 64213#(<= ULTIMATE.start_main_~i~4 220), 64214#(<= ULTIMATE.start_main_~i~4 222), 64215#(<= ULTIMATE.start_main_~i~4 224), 64216#(<= ULTIMATE.start_main_~i~4 226), 64217#(<= ULTIMATE.start_main_~i~4 228), 64218#(<= ULTIMATE.start_main_~i~4 230), 64219#(<= ULTIMATE.start_main_~i~4 232)] [2018-07-23 13:45:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,641 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:45:27,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:45:27,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:45:27,644 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 119 states. [2018-07-23 13:45:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:27,974 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:45:27,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:45:27,974 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 236 [2018-07-23 13:45:27,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:27,974 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:45:27,974 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:45:27,975 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:45:27,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:45:27,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:45:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:45:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:45:27,978 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 236 [2018-07-23 13:45:27,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:27,978 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:45:27,978 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:45:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:45:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:45:27,979 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:27,979 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1] [2018-07-23 13:45:27,979 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:27,979 INFO L82 PathProgramCache]: Analyzing trace with hash -326934327, now seen corresponding path program 117 times [2018-07-23 13:45:27,980 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:28,320 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,320 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:28,321 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:45:28,321 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:28,321 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 13:45:28,321 INFO L185 omatonBuilderFactory]: Interpolants [65280#(<= ULTIMATE.start_main_~i~4 196), 65281#(<= ULTIMATE.start_main_~i~4 198), 65282#(<= ULTIMATE.start_main_~i~4 200), 65283#(<= ULTIMATE.start_main_~i~4 202), 65284#(<= ULTIMATE.start_main_~i~4 204), 65285#(<= ULTIMATE.start_main_~i~4 206), 65286#(<= ULTIMATE.start_main_~i~4 208), 65287#(<= ULTIMATE.start_main_~i~4 210), 65288#(<= ULTIMATE.start_main_~i~4 212), 65289#(<= ULTIMATE.start_main_~i~4 214), 65290#(<= ULTIMATE.start_main_~i~4 216), 65291#(<= ULTIMATE.start_main_~i~4 218), 65292#(<= ULTIMATE.start_main_~i~4 220), 65293#(<= ULTIMATE.start_main_~i~4 222), 65294#(<= ULTIMATE.start_main_~i~4 224), 65295#(<= ULTIMATE.start_main_~i~4 226), 65296#(<= ULTIMATE.start_main_~i~4 228), 65297#(<= ULTIMATE.start_main_~i~4 230), 65298#(<= ULTIMATE.start_main_~i~4 232), 65299#(<= ULTIMATE.start_main_~i~4 234), 65180#true, 65181#false, 65182#(<= ULTIMATE.start_main_~i~4 0), 65183#(<= ULTIMATE.start_main_~i~4 2), 65184#(<= ULTIMATE.start_main_~i~4 4), 65185#(<= ULTIMATE.start_main_~i~4 6), 65186#(<= ULTIMATE.start_main_~i~4 8), 65187#(<= ULTIMATE.start_main_~i~4 10), 65188#(<= ULTIMATE.start_main_~i~4 12), 65189#(<= ULTIMATE.start_main_~i~4 14), 65190#(<= ULTIMATE.start_main_~i~4 16), 65191#(<= ULTIMATE.start_main_~i~4 18), 65192#(<= ULTIMATE.start_main_~i~4 20), 65193#(<= ULTIMATE.start_main_~i~4 22), 65194#(<= ULTIMATE.start_main_~i~4 24), 65195#(<= ULTIMATE.start_main_~i~4 26), 65196#(<= ULTIMATE.start_main_~i~4 28), 65197#(<= ULTIMATE.start_main_~i~4 30), 65198#(<= ULTIMATE.start_main_~i~4 32), 65199#(<= ULTIMATE.start_main_~i~4 34), 65200#(<= ULTIMATE.start_main_~i~4 36), 65201#(<= ULTIMATE.start_main_~i~4 38), 65202#(<= ULTIMATE.start_main_~i~4 40), 65203#(<= ULTIMATE.start_main_~i~4 42), 65204#(<= ULTIMATE.start_main_~i~4 44), 65205#(<= ULTIMATE.start_main_~i~4 46), 65206#(<= ULTIMATE.start_main_~i~4 48), 65207#(<= ULTIMATE.start_main_~i~4 50), 65208#(<= ULTIMATE.start_main_~i~4 52), 65209#(<= ULTIMATE.start_main_~i~4 54), 65210#(<= ULTIMATE.start_main_~i~4 56), 65211#(<= ULTIMATE.start_main_~i~4 58), 65212#(<= ULTIMATE.start_main_~i~4 60), 65213#(<= ULTIMATE.start_main_~i~4 62), 65214#(<= ULTIMATE.start_main_~i~4 64), 65215#(<= ULTIMATE.start_main_~i~4 66), 65216#(<= ULTIMATE.start_main_~i~4 68), 65217#(<= ULTIMATE.start_main_~i~4 70), 65218#(<= ULTIMATE.start_main_~i~4 72), 65219#(<= ULTIMATE.start_main_~i~4 74), 65220#(<= ULTIMATE.start_main_~i~4 76), 65221#(<= ULTIMATE.start_main_~i~4 78), 65222#(<= ULTIMATE.start_main_~i~4 80), 65223#(<= ULTIMATE.start_main_~i~4 82), 65224#(<= ULTIMATE.start_main_~i~4 84), 65225#(<= ULTIMATE.start_main_~i~4 86), 65226#(<= ULTIMATE.start_main_~i~4 88), 65227#(<= ULTIMATE.start_main_~i~4 90), 65228#(<= ULTIMATE.start_main_~i~4 92), 65229#(<= ULTIMATE.start_main_~i~4 94), 65230#(<= ULTIMATE.start_main_~i~4 96), 65231#(<= ULTIMATE.start_main_~i~4 98), 65232#(<= ULTIMATE.start_main_~i~4 100), 65233#(<= ULTIMATE.start_main_~i~4 102), 65234#(<= ULTIMATE.start_main_~i~4 104), 65235#(<= ULTIMATE.start_main_~i~4 106), 65236#(<= ULTIMATE.start_main_~i~4 108), 65237#(<= ULTIMATE.start_main_~i~4 110), 65238#(<= ULTIMATE.start_main_~i~4 112), 65239#(<= ULTIMATE.start_main_~i~4 114), 65240#(<= ULTIMATE.start_main_~i~4 116), 65241#(<= ULTIMATE.start_main_~i~4 118), 65242#(<= ULTIMATE.start_main_~i~4 120), 65243#(<= ULTIMATE.start_main_~i~4 122), 65244#(<= ULTIMATE.start_main_~i~4 124), 65245#(<= ULTIMATE.start_main_~i~4 126), 65246#(<= ULTIMATE.start_main_~i~4 128), 65247#(<= ULTIMATE.start_main_~i~4 130), 65248#(<= ULTIMATE.start_main_~i~4 132), 65249#(<= ULTIMATE.start_main_~i~4 134), 65250#(<= ULTIMATE.start_main_~i~4 136), 65251#(<= ULTIMATE.start_main_~i~4 138), 65252#(<= ULTIMATE.start_main_~i~4 140), 65253#(<= ULTIMATE.start_main_~i~4 142), 65254#(<= ULTIMATE.start_main_~i~4 144), 65255#(<= ULTIMATE.start_main_~i~4 146), 65256#(<= ULTIMATE.start_main_~i~4 148), 65257#(<= ULTIMATE.start_main_~i~4 150), 65258#(<= ULTIMATE.start_main_~i~4 152), 65259#(<= ULTIMATE.start_main_~i~4 154), 65260#(<= ULTIMATE.start_main_~i~4 156), 65261#(<= ULTIMATE.start_main_~i~4 158), 65262#(<= ULTIMATE.start_main_~i~4 160), 65263#(<= ULTIMATE.start_main_~i~4 162), 65264#(<= ULTIMATE.start_main_~i~4 164), 65265#(<= ULTIMATE.start_main_~i~4 166), 65266#(<= ULTIMATE.start_main_~i~4 168), 65267#(<= ULTIMATE.start_main_~i~4 170), 65268#(<= ULTIMATE.start_main_~i~4 172), 65269#(<= ULTIMATE.start_main_~i~4 174), 65270#(<= ULTIMATE.start_main_~i~4 176), 65271#(<= ULTIMATE.start_main_~i~4 178), 65272#(<= ULTIMATE.start_main_~i~4 180), 65273#(<= ULTIMATE.start_main_~i~4 182), 65274#(<= ULTIMATE.start_main_~i~4 184), 65275#(<= ULTIMATE.start_main_~i~4 186), 65276#(<= ULTIMATE.start_main_~i~4 188), 65277#(<= ULTIMATE.start_main_~i~4 190), 65278#(<= ULTIMATE.start_main_~i~4 192), 65279#(<= ULTIMATE.start_main_~i~4 194)] [2018-07-23 13:45:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,322 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:45:28,323 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:45:28,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:45:28,324 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 120 states. [2018-07-23 13:45:28,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:28,484 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:45:28,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:45:28,485 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 238 [2018-07-23 13:45:28,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:28,486 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:45:28,486 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:45:28,487 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:45:28,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:45:28,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:45:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:45:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:45:28,491 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 238 [2018-07-23 13:45:28,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:28,492 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:45:28,492 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:45:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:45:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:45:28,493 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:28,493 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1] [2018-07-23 13:45:28,493 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:28,493 INFO L82 PathProgramCache]: Analyzing trace with hash -651223549, now seen corresponding path program 118 times [2018-07-23 13:45:28,494 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,857 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:28,857 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:45:28,857 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,858 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= ULTIMATE.start_main_~i~4 70), 66304#(<= ULTIMATE.start_main_~i~4 68), 66307#(<= ULTIMATE.start_main_~i~4 74), 66306#(<= ULTIMATE.start_main_~i~4 72), 66309#(<= ULTIMATE.start_main_~i~4 78), 66308#(<= ULTIMATE.start_main_~i~4 76), 66311#(<= ULTIMATE.start_main_~i~4 82), 66310#(<= ULTIMATE.start_main_~i~4 80), 66313#(<= ULTIMATE.start_main_~i~4 86), 66312#(<= ULTIMATE.start_main_~i~4 84), 66315#(<= ULTIMATE.start_main_~i~4 90), 66314#(<= ULTIMATE.start_main_~i~4 88), 66317#(<= ULTIMATE.start_main_~i~4 94), 66316#(<= ULTIMATE.start_main_~i~4 92), 66319#(<= ULTIMATE.start_main_~i~4 98), 66318#(<= ULTIMATE.start_main_~i~4 96), 66321#(<= ULTIMATE.start_main_~i~4 102), 66320#(<= ULTIMATE.start_main_~i~4 100), 66323#(<= ULTIMATE.start_main_~i~4 106), 66322#(<= ULTIMATE.start_main_~i~4 104), 66325#(<= ULTIMATE.start_main_~i~4 110), 66324#(<= ULTIMATE.start_main_~i~4 108), 66327#(<= ULTIMATE.start_main_~i~4 114), 66326#(<= ULTIMATE.start_main_~i~4 112), 66329#(<= ULTIMATE.start_main_~i~4 118), 66328#(<= ULTIMATE.start_main_~i~4 116), 66331#(<= ULTIMATE.start_main_~i~4 122), 66330#(<= ULTIMATE.start_main_~i~4 120), 66333#(<= ULTIMATE.start_main_~i~4 126), 66332#(<= ULTIMATE.start_main_~i~4 124), 66335#(<= ULTIMATE.start_main_~i~4 130), 66334#(<= ULTIMATE.start_main_~i~4 128), 66337#(<= ULTIMATE.start_main_~i~4 134), 66336#(<= ULTIMATE.start_main_~i~4 132), 66339#(<= ULTIMATE.start_main_~i~4 138), 66338#(<= ULTIMATE.start_main_~i~4 136), 66341#(<= ULTIMATE.start_main_~i~4 142), 66340#(<= ULTIMATE.start_main_~i~4 140), 66343#(<= ULTIMATE.start_main_~i~4 146), 66342#(<= ULTIMATE.start_main_~i~4 144), 66345#(<= ULTIMATE.start_main_~i~4 150), 66344#(<= ULTIMATE.start_main_~i~4 148), 66347#(<= ULTIMATE.start_main_~i~4 154), 66346#(<= ULTIMATE.start_main_~i~4 152), 66349#(<= ULTIMATE.start_main_~i~4 158), 66348#(<= ULTIMATE.start_main_~i~4 156), 66351#(<= ULTIMATE.start_main_~i~4 162), 66350#(<= ULTIMATE.start_main_~i~4 160), 66353#(<= ULTIMATE.start_main_~i~4 166), 66352#(<= ULTIMATE.start_main_~i~4 164), 66355#(<= ULTIMATE.start_main_~i~4 170), 66354#(<= ULTIMATE.start_main_~i~4 168), 66357#(<= ULTIMATE.start_main_~i~4 174), 66356#(<= ULTIMATE.start_main_~i~4 172), 66359#(<= ULTIMATE.start_main_~i~4 178), 66358#(<= ULTIMATE.start_main_~i~4 176), 66361#(<= ULTIMATE.start_main_~i~4 182), 66360#(<= ULTIMATE.start_main_~i~4 180), 66363#(<= ULTIMATE.start_main_~i~4 186), 66362#(<= ULTIMATE.start_main_~i~4 184), 66365#(<= ULTIMATE.start_main_~i~4 190), 66364#(<= ULTIMATE.start_main_~i~4 188), 66367#(<= ULTIMATE.start_main_~i~4 194), 66366#(<= ULTIMATE.start_main_~i~4 192), 66369#(<= ULTIMATE.start_main_~i~4 198), 66368#(<= ULTIMATE.start_main_~i~4 196), 66371#(<= ULTIMATE.start_main_~i~4 202), 66370#(<= ULTIMATE.start_main_~i~4 200), 66373#(<= ULTIMATE.start_main_~i~4 206), 66372#(<= ULTIMATE.start_main_~i~4 204), 66375#(<= ULTIMATE.start_main_~i~4 210), 66374#(<= ULTIMATE.start_main_~i~4 208), 66377#(<= ULTIMATE.start_main_~i~4 214), 66376#(<= ULTIMATE.start_main_~i~4 212), 66379#(<= ULTIMATE.start_main_~i~4 218), 66378#(<= ULTIMATE.start_main_~i~4 216), 66381#(<= ULTIMATE.start_main_~i~4 222), 66380#(<= ULTIMATE.start_main_~i~4 220), 66383#(<= ULTIMATE.start_main_~i~4 226), 66382#(<= ULTIMATE.start_main_~i~4 224), 66385#(<= ULTIMATE.start_main_~i~4 230), 66384#(<= ULTIMATE.start_main_~i~4 228), 66387#(<= ULTIMATE.start_main_~i~4 234), 66386#(<= ULTIMATE.start_main_~i~4 232), 66388#(<= ULTIMATE.start_main_~i~4 236), 66269#false, 66268#true, 66271#(<= ULTIMATE.start_main_~i~4 2), 66270#(<= ULTIMATE.start_main_~i~4 0), 66273#(<= ULTIMATE.start_main_~i~4 6), 66272#(<= ULTIMATE.start_main_~i~4 4), 66275#(<= ULTIMATE.start_main_~i~4 10), 66274#(<= ULTIMATE.start_main_~i~4 8), 66277#(<= ULTIMATE.start_main_~i~4 14), 66276#(<= ULTIMATE.start_main_~i~4 12), 66279#(<= ULTIMATE.start_main_~i~4 18), 66278#(<= ULTIMATE.start_main_~i~4 16), 66281#(<= ULTIMATE.start_main_~i~4 22), 66280#(<= ULTIMATE.start_main_~i~4 20), 66283#(<= ULTIMATE.start_main_~i~4 26), 66282#(<= ULTIMATE.start_main_~i~4 24), 66285#(<= ULTIMATE.start_main_~i~4 30), 66284#(<= ULTIMATE.start_main_~i~4 28), 66287#(<= ULTIMATE.start_main_~i~4 34), 66286#(<= ULTIMATE.start_main_~i~4 32), 66289#(<= ULTIMATE.start_main_~i~4 38), 66288#(<= ULTIMATE.start_main_~i~4 36), 66291#(<= ULTIMATE.start_main_~i~4 42), 66290#(<= ULTIMATE.start_main_~i~4 40), 66293#(<= ULTIMATE.start_main_~i~4 46), 66292#(<= ULTIMATE.start_main_~i~4 44), 66295#(<= ULTIMATE.start_main_~i~4 50), 66294#(<= ULTIMATE.start_main_~i~4 48), 66297#(<= ULTIMATE.start_main_~i~4 54), 66296#(<= ULTIMATE.start_main_~i~4 52), 66299#(<= ULTIMATE.start_main_~i~4 58), 66298#(<= ULTIMATE.start_main_~i~4 56), 66301#(<= ULTIMATE.start_main_~i~4 62), 66300#(<= ULTIMATE.start_main_~i~4 60), 66303#(<= ULTIMATE.start_main_~i~4 66), 66302#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:45:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,859 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:45:28,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:45:28,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:45:28,861 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 121 states. [2018-07-23 13:45:29,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:29,029 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:45:29,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:45:29,029 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 240 [2018-07-23 13:45:29,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:29,030 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:45:29,030 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:45:29,032 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:45:29,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:45:29,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:45:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:45:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:45:29,036 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 240 [2018-07-23 13:45:29,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:29,036 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:45:29,037 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:45:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:45:29,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:45:29,038 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:29,038 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1] [2018-07-23 13:45:29,038 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:29,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1239446717, now seen corresponding path program 119 times [2018-07-23 13:45:29,039 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:29,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,445 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:29,445 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:45:29,445 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,446 INFO L185 omatonBuilderFactory]: Interpolants [67365#true, 67367#(<= ULTIMATE.start_main_~i~4 0), 67366#false, 67369#(<= ULTIMATE.start_main_~i~4 4), 67368#(<= ULTIMATE.start_main_~i~4 2), 67371#(<= ULTIMATE.start_main_~i~4 8), 67370#(<= ULTIMATE.start_main_~i~4 6), 67373#(<= ULTIMATE.start_main_~i~4 12), 67372#(<= ULTIMATE.start_main_~i~4 10), 67375#(<= ULTIMATE.start_main_~i~4 16), 67374#(<= ULTIMATE.start_main_~i~4 14), 67377#(<= ULTIMATE.start_main_~i~4 20), 67376#(<= ULTIMATE.start_main_~i~4 18), 67379#(<= ULTIMATE.start_main_~i~4 24), 67378#(<= ULTIMATE.start_main_~i~4 22), 67381#(<= ULTIMATE.start_main_~i~4 28), 67380#(<= ULTIMATE.start_main_~i~4 26), 67383#(<= ULTIMATE.start_main_~i~4 32), 67382#(<= ULTIMATE.start_main_~i~4 30), 67385#(<= ULTIMATE.start_main_~i~4 36), 67384#(<= ULTIMATE.start_main_~i~4 34), 67387#(<= ULTIMATE.start_main_~i~4 40), 67386#(<= ULTIMATE.start_main_~i~4 38), 67389#(<= ULTIMATE.start_main_~i~4 44), 67388#(<= ULTIMATE.start_main_~i~4 42), 67391#(<= ULTIMATE.start_main_~i~4 48), 67390#(<= ULTIMATE.start_main_~i~4 46), 67393#(<= ULTIMATE.start_main_~i~4 52), 67392#(<= ULTIMATE.start_main_~i~4 50), 67395#(<= ULTIMATE.start_main_~i~4 56), 67394#(<= ULTIMATE.start_main_~i~4 54), 67397#(<= ULTIMATE.start_main_~i~4 60), 67396#(<= ULTIMATE.start_main_~i~4 58), 67399#(<= ULTIMATE.start_main_~i~4 64), 67398#(<= ULTIMATE.start_main_~i~4 62), 67401#(<= ULTIMATE.start_main_~i~4 68), 67400#(<= ULTIMATE.start_main_~i~4 66), 67403#(<= ULTIMATE.start_main_~i~4 72), 67402#(<= ULTIMATE.start_main_~i~4 70), 67405#(<= ULTIMATE.start_main_~i~4 76), 67404#(<= ULTIMATE.start_main_~i~4 74), 67407#(<= ULTIMATE.start_main_~i~4 80), 67406#(<= ULTIMATE.start_main_~i~4 78), 67409#(<= ULTIMATE.start_main_~i~4 84), 67408#(<= ULTIMATE.start_main_~i~4 82), 67411#(<= ULTIMATE.start_main_~i~4 88), 67410#(<= ULTIMATE.start_main_~i~4 86), 67413#(<= ULTIMATE.start_main_~i~4 92), 67412#(<= ULTIMATE.start_main_~i~4 90), 67415#(<= ULTIMATE.start_main_~i~4 96), 67414#(<= ULTIMATE.start_main_~i~4 94), 67417#(<= ULTIMATE.start_main_~i~4 100), 67416#(<= ULTIMATE.start_main_~i~4 98), 67419#(<= ULTIMATE.start_main_~i~4 104), 67418#(<= ULTIMATE.start_main_~i~4 102), 67421#(<= ULTIMATE.start_main_~i~4 108), 67420#(<= ULTIMATE.start_main_~i~4 106), 67423#(<= ULTIMATE.start_main_~i~4 112), 67422#(<= ULTIMATE.start_main_~i~4 110), 67425#(<= ULTIMATE.start_main_~i~4 116), 67424#(<= ULTIMATE.start_main_~i~4 114), 67427#(<= ULTIMATE.start_main_~i~4 120), 67426#(<= ULTIMATE.start_main_~i~4 118), 67429#(<= ULTIMATE.start_main_~i~4 124), 67428#(<= ULTIMATE.start_main_~i~4 122), 67431#(<= ULTIMATE.start_main_~i~4 128), 67430#(<= ULTIMATE.start_main_~i~4 126), 67433#(<= ULTIMATE.start_main_~i~4 132), 67432#(<= ULTIMATE.start_main_~i~4 130), 67435#(<= ULTIMATE.start_main_~i~4 136), 67434#(<= ULTIMATE.start_main_~i~4 134), 67437#(<= ULTIMATE.start_main_~i~4 140), 67436#(<= ULTIMATE.start_main_~i~4 138), 67439#(<= ULTIMATE.start_main_~i~4 144), 67438#(<= ULTIMATE.start_main_~i~4 142), 67441#(<= ULTIMATE.start_main_~i~4 148), 67440#(<= ULTIMATE.start_main_~i~4 146), 67443#(<= ULTIMATE.start_main_~i~4 152), 67442#(<= ULTIMATE.start_main_~i~4 150), 67445#(<= ULTIMATE.start_main_~i~4 156), 67444#(<= ULTIMATE.start_main_~i~4 154), 67447#(<= ULTIMATE.start_main_~i~4 160), 67446#(<= ULTIMATE.start_main_~i~4 158), 67449#(<= ULTIMATE.start_main_~i~4 164), 67448#(<= ULTIMATE.start_main_~i~4 162), 67451#(<= ULTIMATE.start_main_~i~4 168), 67450#(<= ULTIMATE.start_main_~i~4 166), 67453#(<= ULTIMATE.start_main_~i~4 172), 67452#(<= ULTIMATE.start_main_~i~4 170), 67455#(<= ULTIMATE.start_main_~i~4 176), 67454#(<= ULTIMATE.start_main_~i~4 174), 67457#(<= ULTIMATE.start_main_~i~4 180), 67456#(<= ULTIMATE.start_main_~i~4 178), 67459#(<= ULTIMATE.start_main_~i~4 184), 67458#(<= ULTIMATE.start_main_~i~4 182), 67461#(<= ULTIMATE.start_main_~i~4 188), 67460#(<= ULTIMATE.start_main_~i~4 186), 67463#(<= ULTIMATE.start_main_~i~4 192), 67462#(<= ULTIMATE.start_main_~i~4 190), 67465#(<= ULTIMATE.start_main_~i~4 196), 67464#(<= ULTIMATE.start_main_~i~4 194), 67467#(<= ULTIMATE.start_main_~i~4 200), 67466#(<= ULTIMATE.start_main_~i~4 198), 67469#(<= ULTIMATE.start_main_~i~4 204), 67468#(<= ULTIMATE.start_main_~i~4 202), 67471#(<= ULTIMATE.start_main_~i~4 208), 67470#(<= ULTIMATE.start_main_~i~4 206), 67473#(<= ULTIMATE.start_main_~i~4 212), 67472#(<= ULTIMATE.start_main_~i~4 210), 67475#(<= ULTIMATE.start_main_~i~4 216), 67474#(<= ULTIMATE.start_main_~i~4 214), 67477#(<= ULTIMATE.start_main_~i~4 220), 67476#(<= ULTIMATE.start_main_~i~4 218), 67479#(<= ULTIMATE.start_main_~i~4 224), 67478#(<= ULTIMATE.start_main_~i~4 222), 67481#(<= ULTIMATE.start_main_~i~4 228), 67480#(<= ULTIMATE.start_main_~i~4 226), 67483#(<= ULTIMATE.start_main_~i~4 232), 67482#(<= ULTIMATE.start_main_~i~4 230), 67485#(<= ULTIMATE.start_main_~i~4 236), 67484#(<= ULTIMATE.start_main_~i~4 234), 67486#(<= ULTIMATE.start_main_~i~4 238)] [2018-07-23 13:45:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,447 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:45:29,448 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:45:29,448 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:45:29,448 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 122 states. [2018-07-23 13:45:29,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:29,680 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:45:29,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:45:29,681 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 242 [2018-07-23 13:45:29,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:29,681 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:45:29,682 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:45:29,683 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:45:29,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:45:29,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:45:29,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:45:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:45:29,687 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 242 [2018-07-23 13:45:29,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:29,687 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:45:29,687 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:45:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:45:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:45:29,688 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:29,689 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1] [2018-07-23 13:45:29,689 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:29,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1402406135, now seen corresponding path program 120 times [2018-07-23 13:45:29,689 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,157 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:30,157 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:45:30,157 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,158 INFO L185 omatonBuilderFactory]: Interpolants [68471#true, 68473#(<= ULTIMATE.start_main_~i~4 0), 68472#false, 68475#(<= ULTIMATE.start_main_~i~4 4), 68474#(<= ULTIMATE.start_main_~i~4 2), 68477#(<= ULTIMATE.start_main_~i~4 8), 68476#(<= ULTIMATE.start_main_~i~4 6), 68479#(<= ULTIMATE.start_main_~i~4 12), 68478#(<= ULTIMATE.start_main_~i~4 10), 68481#(<= ULTIMATE.start_main_~i~4 16), 68480#(<= ULTIMATE.start_main_~i~4 14), 68483#(<= ULTIMATE.start_main_~i~4 20), 68482#(<= ULTIMATE.start_main_~i~4 18), 68485#(<= ULTIMATE.start_main_~i~4 24), 68484#(<= ULTIMATE.start_main_~i~4 22), 68487#(<= ULTIMATE.start_main_~i~4 28), 68486#(<= ULTIMATE.start_main_~i~4 26), 68489#(<= ULTIMATE.start_main_~i~4 32), 68488#(<= ULTIMATE.start_main_~i~4 30), 68491#(<= ULTIMATE.start_main_~i~4 36), 68490#(<= ULTIMATE.start_main_~i~4 34), 68493#(<= ULTIMATE.start_main_~i~4 40), 68492#(<= ULTIMATE.start_main_~i~4 38), 68495#(<= ULTIMATE.start_main_~i~4 44), 68494#(<= ULTIMATE.start_main_~i~4 42), 68497#(<= ULTIMATE.start_main_~i~4 48), 68496#(<= ULTIMATE.start_main_~i~4 46), 68499#(<= ULTIMATE.start_main_~i~4 52), 68498#(<= ULTIMATE.start_main_~i~4 50), 68501#(<= ULTIMATE.start_main_~i~4 56), 68500#(<= ULTIMATE.start_main_~i~4 54), 68503#(<= ULTIMATE.start_main_~i~4 60), 68502#(<= ULTIMATE.start_main_~i~4 58), 68505#(<= ULTIMATE.start_main_~i~4 64), 68504#(<= ULTIMATE.start_main_~i~4 62), 68507#(<= ULTIMATE.start_main_~i~4 68), 68506#(<= ULTIMATE.start_main_~i~4 66), 68509#(<= ULTIMATE.start_main_~i~4 72), 68508#(<= ULTIMATE.start_main_~i~4 70), 68511#(<= ULTIMATE.start_main_~i~4 76), 68510#(<= ULTIMATE.start_main_~i~4 74), 68513#(<= ULTIMATE.start_main_~i~4 80), 68512#(<= ULTIMATE.start_main_~i~4 78), 68515#(<= ULTIMATE.start_main_~i~4 84), 68514#(<= ULTIMATE.start_main_~i~4 82), 68517#(<= ULTIMATE.start_main_~i~4 88), 68516#(<= ULTIMATE.start_main_~i~4 86), 68519#(<= ULTIMATE.start_main_~i~4 92), 68518#(<= ULTIMATE.start_main_~i~4 90), 68521#(<= ULTIMATE.start_main_~i~4 96), 68520#(<= ULTIMATE.start_main_~i~4 94), 68523#(<= ULTIMATE.start_main_~i~4 100), 68522#(<= ULTIMATE.start_main_~i~4 98), 68525#(<= ULTIMATE.start_main_~i~4 104), 68524#(<= ULTIMATE.start_main_~i~4 102), 68527#(<= ULTIMATE.start_main_~i~4 108), 68526#(<= ULTIMATE.start_main_~i~4 106), 68529#(<= ULTIMATE.start_main_~i~4 112), 68528#(<= ULTIMATE.start_main_~i~4 110), 68531#(<= ULTIMATE.start_main_~i~4 116), 68530#(<= ULTIMATE.start_main_~i~4 114), 68533#(<= ULTIMATE.start_main_~i~4 120), 68532#(<= ULTIMATE.start_main_~i~4 118), 68535#(<= ULTIMATE.start_main_~i~4 124), 68534#(<= ULTIMATE.start_main_~i~4 122), 68537#(<= ULTIMATE.start_main_~i~4 128), 68536#(<= ULTIMATE.start_main_~i~4 126), 68539#(<= ULTIMATE.start_main_~i~4 132), 68538#(<= ULTIMATE.start_main_~i~4 130), 68541#(<= ULTIMATE.start_main_~i~4 136), 68540#(<= ULTIMATE.start_main_~i~4 134), 68543#(<= ULTIMATE.start_main_~i~4 140), 68542#(<= ULTIMATE.start_main_~i~4 138), 68545#(<= ULTIMATE.start_main_~i~4 144), 68544#(<= ULTIMATE.start_main_~i~4 142), 68547#(<= ULTIMATE.start_main_~i~4 148), 68546#(<= ULTIMATE.start_main_~i~4 146), 68549#(<= ULTIMATE.start_main_~i~4 152), 68548#(<= ULTIMATE.start_main_~i~4 150), 68551#(<= ULTIMATE.start_main_~i~4 156), 68550#(<= ULTIMATE.start_main_~i~4 154), 68553#(<= ULTIMATE.start_main_~i~4 160), 68552#(<= ULTIMATE.start_main_~i~4 158), 68555#(<= ULTIMATE.start_main_~i~4 164), 68554#(<= ULTIMATE.start_main_~i~4 162), 68557#(<= ULTIMATE.start_main_~i~4 168), 68556#(<= ULTIMATE.start_main_~i~4 166), 68559#(<= ULTIMATE.start_main_~i~4 172), 68558#(<= ULTIMATE.start_main_~i~4 170), 68561#(<= ULTIMATE.start_main_~i~4 176), 68560#(<= ULTIMATE.start_main_~i~4 174), 68563#(<= ULTIMATE.start_main_~i~4 180), 68562#(<= ULTIMATE.start_main_~i~4 178), 68565#(<= ULTIMATE.start_main_~i~4 184), 68564#(<= ULTIMATE.start_main_~i~4 182), 68567#(<= ULTIMATE.start_main_~i~4 188), 68566#(<= ULTIMATE.start_main_~i~4 186), 68569#(<= ULTIMATE.start_main_~i~4 192), 68568#(<= ULTIMATE.start_main_~i~4 190), 68571#(<= ULTIMATE.start_main_~i~4 196), 68570#(<= ULTIMATE.start_main_~i~4 194), 68573#(<= ULTIMATE.start_main_~i~4 200), 68572#(<= ULTIMATE.start_main_~i~4 198), 68575#(<= ULTIMATE.start_main_~i~4 204), 68574#(<= ULTIMATE.start_main_~i~4 202), 68577#(<= ULTIMATE.start_main_~i~4 208), 68576#(<= ULTIMATE.start_main_~i~4 206), 68579#(<= ULTIMATE.start_main_~i~4 212), 68578#(<= ULTIMATE.start_main_~i~4 210), 68581#(<= ULTIMATE.start_main_~i~4 216), 68580#(<= ULTIMATE.start_main_~i~4 214), 68583#(<= ULTIMATE.start_main_~i~4 220), 68582#(<= ULTIMATE.start_main_~i~4 218), 68585#(<= ULTIMATE.start_main_~i~4 224), 68584#(<= ULTIMATE.start_main_~i~4 222), 68587#(<= ULTIMATE.start_main_~i~4 228), 68586#(<= ULTIMATE.start_main_~i~4 226), 68589#(<= ULTIMATE.start_main_~i~4 232), 68588#(<= ULTIMATE.start_main_~i~4 230), 68591#(<= ULTIMATE.start_main_~i~4 236), 68590#(<= ULTIMATE.start_main_~i~4 234), 68593#(<= ULTIMATE.start_main_~i~4 240), 68592#(<= ULTIMATE.start_main_~i~4 238)] [2018-07-23 13:45:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,159 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:45:30,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:45:30,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:45:30,160 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 123 states. [2018-07-23 13:45:30,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:30,429 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:45:30,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:45:30,430 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 244 [2018-07-23 13:45:30,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:30,430 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:45:30,430 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:45:30,431 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:45:30,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:45:30,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:45:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:45:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:45:30,434 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 244 [2018-07-23 13:45:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:30,435 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:45:30,435 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:45:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:45:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:45:30,436 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:30,436 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1] [2018-07-23 13:45:30,436 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:30,436 INFO L82 PathProgramCache]: Analyzing trace with hash -907383119, now seen corresponding path program 121 times [2018-07-23 13:45:30,437 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,814 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:30,814 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:45:30,815 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,815 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= ULTIMATE.start_main_~i~4 90), 69632#(<= ULTIMATE.start_main_~i~4 88), 69635#(<= ULTIMATE.start_main_~i~4 94), 69634#(<= ULTIMATE.start_main_~i~4 92), 69637#(<= ULTIMATE.start_main_~i~4 98), 69636#(<= ULTIMATE.start_main_~i~4 96), 69639#(<= ULTIMATE.start_main_~i~4 102), 69638#(<= ULTIMATE.start_main_~i~4 100), 69641#(<= ULTIMATE.start_main_~i~4 106), 69640#(<= ULTIMATE.start_main_~i~4 104), 69643#(<= ULTIMATE.start_main_~i~4 110), 69642#(<= ULTIMATE.start_main_~i~4 108), 69645#(<= ULTIMATE.start_main_~i~4 114), 69644#(<= ULTIMATE.start_main_~i~4 112), 69647#(<= ULTIMATE.start_main_~i~4 118), 69646#(<= ULTIMATE.start_main_~i~4 116), 69649#(<= ULTIMATE.start_main_~i~4 122), 69648#(<= ULTIMATE.start_main_~i~4 120), 69651#(<= ULTIMATE.start_main_~i~4 126), 69650#(<= ULTIMATE.start_main_~i~4 124), 69653#(<= ULTIMATE.start_main_~i~4 130), 69652#(<= ULTIMATE.start_main_~i~4 128), 69655#(<= ULTIMATE.start_main_~i~4 134), 69654#(<= ULTIMATE.start_main_~i~4 132), 69657#(<= ULTIMATE.start_main_~i~4 138), 69656#(<= ULTIMATE.start_main_~i~4 136), 69659#(<= ULTIMATE.start_main_~i~4 142), 69658#(<= ULTIMATE.start_main_~i~4 140), 69661#(<= ULTIMATE.start_main_~i~4 146), 69660#(<= ULTIMATE.start_main_~i~4 144), 69663#(<= ULTIMATE.start_main_~i~4 150), 69662#(<= ULTIMATE.start_main_~i~4 148), 69665#(<= ULTIMATE.start_main_~i~4 154), 69664#(<= ULTIMATE.start_main_~i~4 152), 69667#(<= ULTIMATE.start_main_~i~4 158), 69666#(<= ULTIMATE.start_main_~i~4 156), 69669#(<= ULTIMATE.start_main_~i~4 162), 69668#(<= ULTIMATE.start_main_~i~4 160), 69671#(<= ULTIMATE.start_main_~i~4 166), 69670#(<= ULTIMATE.start_main_~i~4 164), 69673#(<= ULTIMATE.start_main_~i~4 170), 69672#(<= ULTIMATE.start_main_~i~4 168), 69675#(<= ULTIMATE.start_main_~i~4 174), 69674#(<= ULTIMATE.start_main_~i~4 172), 69677#(<= ULTIMATE.start_main_~i~4 178), 69676#(<= ULTIMATE.start_main_~i~4 176), 69679#(<= ULTIMATE.start_main_~i~4 182), 69678#(<= ULTIMATE.start_main_~i~4 180), 69681#(<= ULTIMATE.start_main_~i~4 186), 69680#(<= ULTIMATE.start_main_~i~4 184), 69683#(<= ULTIMATE.start_main_~i~4 190), 69682#(<= ULTIMATE.start_main_~i~4 188), 69685#(<= ULTIMATE.start_main_~i~4 194), 69684#(<= ULTIMATE.start_main_~i~4 192), 69687#(<= ULTIMATE.start_main_~i~4 198), 69686#(<= ULTIMATE.start_main_~i~4 196), 69689#(<= ULTIMATE.start_main_~i~4 202), 69688#(<= ULTIMATE.start_main_~i~4 200), 69691#(<= ULTIMATE.start_main_~i~4 206), 69690#(<= ULTIMATE.start_main_~i~4 204), 69693#(<= ULTIMATE.start_main_~i~4 210), 69692#(<= ULTIMATE.start_main_~i~4 208), 69695#(<= ULTIMATE.start_main_~i~4 214), 69694#(<= ULTIMATE.start_main_~i~4 212), 69697#(<= ULTIMATE.start_main_~i~4 218), 69696#(<= ULTIMATE.start_main_~i~4 216), 69699#(<= ULTIMATE.start_main_~i~4 222), 69698#(<= ULTIMATE.start_main_~i~4 220), 69701#(<= ULTIMATE.start_main_~i~4 226), 69700#(<= ULTIMATE.start_main_~i~4 224), 69703#(<= ULTIMATE.start_main_~i~4 230), 69702#(<= ULTIMATE.start_main_~i~4 228), 69705#(<= ULTIMATE.start_main_~i~4 234), 69704#(<= ULTIMATE.start_main_~i~4 232), 69707#(<= ULTIMATE.start_main_~i~4 238), 69706#(<= ULTIMATE.start_main_~i~4 236), 69709#(<= ULTIMATE.start_main_~i~4 242), 69708#(<= ULTIMATE.start_main_~i~4 240), 69587#false, 69586#true, 69589#(<= ULTIMATE.start_main_~i~4 2), 69588#(<= ULTIMATE.start_main_~i~4 0), 69591#(<= ULTIMATE.start_main_~i~4 6), 69590#(<= ULTIMATE.start_main_~i~4 4), 69593#(<= ULTIMATE.start_main_~i~4 10), 69592#(<= ULTIMATE.start_main_~i~4 8), 69595#(<= ULTIMATE.start_main_~i~4 14), 69594#(<= ULTIMATE.start_main_~i~4 12), 69597#(<= ULTIMATE.start_main_~i~4 18), 69596#(<= ULTIMATE.start_main_~i~4 16), 69599#(<= ULTIMATE.start_main_~i~4 22), 69598#(<= ULTIMATE.start_main_~i~4 20), 69601#(<= ULTIMATE.start_main_~i~4 26), 69600#(<= ULTIMATE.start_main_~i~4 24), 69603#(<= ULTIMATE.start_main_~i~4 30), 69602#(<= ULTIMATE.start_main_~i~4 28), 69605#(<= ULTIMATE.start_main_~i~4 34), 69604#(<= ULTIMATE.start_main_~i~4 32), 69607#(<= ULTIMATE.start_main_~i~4 38), 69606#(<= ULTIMATE.start_main_~i~4 36), 69609#(<= ULTIMATE.start_main_~i~4 42), 69608#(<= ULTIMATE.start_main_~i~4 40), 69611#(<= ULTIMATE.start_main_~i~4 46), 69610#(<= ULTIMATE.start_main_~i~4 44), 69613#(<= ULTIMATE.start_main_~i~4 50), 69612#(<= ULTIMATE.start_main_~i~4 48), 69615#(<= ULTIMATE.start_main_~i~4 54), 69614#(<= ULTIMATE.start_main_~i~4 52), 69617#(<= ULTIMATE.start_main_~i~4 58), 69616#(<= ULTIMATE.start_main_~i~4 56), 69619#(<= ULTIMATE.start_main_~i~4 62), 69618#(<= ULTIMATE.start_main_~i~4 60), 69621#(<= ULTIMATE.start_main_~i~4 66), 69620#(<= ULTIMATE.start_main_~i~4 64), 69623#(<= ULTIMATE.start_main_~i~4 70), 69622#(<= ULTIMATE.start_main_~i~4 68), 69625#(<= ULTIMATE.start_main_~i~4 74), 69624#(<= ULTIMATE.start_main_~i~4 72), 69627#(<= ULTIMATE.start_main_~i~4 78), 69626#(<= ULTIMATE.start_main_~i~4 76), 69629#(<= ULTIMATE.start_main_~i~4 82), 69628#(<= ULTIMATE.start_main_~i~4 80), 69631#(<= ULTIMATE.start_main_~i~4 86), 69630#(<= ULTIMATE.start_main_~i~4 84)] [2018-07-23 13:45:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,816 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:45:30,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:45:30,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:45:30,817 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 124 states. [2018-07-23 13:45:30,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:30,969 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:45:30,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:45:30,969 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 246 [2018-07-23 13:45:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:30,970 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:45:30,970 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:45:30,971 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:45:30,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:45:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:45:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:45:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:45:30,976 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 246 [2018-07-23 13:45:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:30,976 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:45:30,976 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:45:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:45:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:45:30,977 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:30,977 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1] [2018-07-23 13:45:30,978 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash -116764181, now seen corresponding path program 122 times [2018-07-23 13:45:30,978 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:31,423 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:31,423 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:45:31,423 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:31,423 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 13:45:31,424 INFO L185 omatonBuilderFactory]: Interpolants [70711#false, 70710#true, 70713#(<= ULTIMATE.start_main_~i~4 2), 70712#(<= ULTIMATE.start_main_~i~4 0), 70715#(<= ULTIMATE.start_main_~i~4 6), 70714#(<= ULTIMATE.start_main_~i~4 4), 70717#(<= ULTIMATE.start_main_~i~4 10), 70716#(<= ULTIMATE.start_main_~i~4 8), 70719#(<= ULTIMATE.start_main_~i~4 14), 70718#(<= ULTIMATE.start_main_~i~4 12), 70721#(<= ULTIMATE.start_main_~i~4 18), 70720#(<= ULTIMATE.start_main_~i~4 16), 70723#(<= ULTIMATE.start_main_~i~4 22), 70722#(<= ULTIMATE.start_main_~i~4 20), 70725#(<= ULTIMATE.start_main_~i~4 26), 70724#(<= ULTIMATE.start_main_~i~4 24), 70727#(<= ULTIMATE.start_main_~i~4 30), 70726#(<= ULTIMATE.start_main_~i~4 28), 70729#(<= ULTIMATE.start_main_~i~4 34), 70728#(<= ULTIMATE.start_main_~i~4 32), 70731#(<= ULTIMATE.start_main_~i~4 38), 70730#(<= ULTIMATE.start_main_~i~4 36), 70733#(<= ULTIMATE.start_main_~i~4 42), 70732#(<= ULTIMATE.start_main_~i~4 40), 70735#(<= ULTIMATE.start_main_~i~4 46), 70734#(<= ULTIMATE.start_main_~i~4 44), 70737#(<= ULTIMATE.start_main_~i~4 50), 70736#(<= ULTIMATE.start_main_~i~4 48), 70739#(<= ULTIMATE.start_main_~i~4 54), 70738#(<= ULTIMATE.start_main_~i~4 52), 70741#(<= ULTIMATE.start_main_~i~4 58), 70740#(<= ULTIMATE.start_main_~i~4 56), 70743#(<= ULTIMATE.start_main_~i~4 62), 70742#(<= ULTIMATE.start_main_~i~4 60), 70745#(<= ULTIMATE.start_main_~i~4 66), 70744#(<= ULTIMATE.start_main_~i~4 64), 70747#(<= ULTIMATE.start_main_~i~4 70), 70746#(<= ULTIMATE.start_main_~i~4 68), 70749#(<= ULTIMATE.start_main_~i~4 74), 70748#(<= ULTIMATE.start_main_~i~4 72), 70751#(<= ULTIMATE.start_main_~i~4 78), 70750#(<= ULTIMATE.start_main_~i~4 76), 70753#(<= ULTIMATE.start_main_~i~4 82), 70752#(<= ULTIMATE.start_main_~i~4 80), 70755#(<= ULTIMATE.start_main_~i~4 86), 70754#(<= ULTIMATE.start_main_~i~4 84), 70757#(<= ULTIMATE.start_main_~i~4 90), 70756#(<= ULTIMATE.start_main_~i~4 88), 70759#(<= ULTIMATE.start_main_~i~4 94), 70758#(<= ULTIMATE.start_main_~i~4 92), 70761#(<= ULTIMATE.start_main_~i~4 98), 70760#(<= ULTIMATE.start_main_~i~4 96), 70763#(<= ULTIMATE.start_main_~i~4 102), 70762#(<= ULTIMATE.start_main_~i~4 100), 70765#(<= ULTIMATE.start_main_~i~4 106), 70764#(<= ULTIMATE.start_main_~i~4 104), 70767#(<= ULTIMATE.start_main_~i~4 110), 70766#(<= ULTIMATE.start_main_~i~4 108), 70769#(<= ULTIMATE.start_main_~i~4 114), 70768#(<= ULTIMATE.start_main_~i~4 112), 70771#(<= ULTIMATE.start_main_~i~4 118), 70770#(<= ULTIMATE.start_main_~i~4 116), 70773#(<= ULTIMATE.start_main_~i~4 122), 70772#(<= ULTIMATE.start_main_~i~4 120), 70775#(<= ULTIMATE.start_main_~i~4 126), 70774#(<= ULTIMATE.start_main_~i~4 124), 70777#(<= ULTIMATE.start_main_~i~4 130), 70776#(<= ULTIMATE.start_main_~i~4 128), 70779#(<= ULTIMATE.start_main_~i~4 134), 70778#(<= ULTIMATE.start_main_~i~4 132), 70781#(<= ULTIMATE.start_main_~i~4 138), 70780#(<= ULTIMATE.start_main_~i~4 136), 70783#(<= ULTIMATE.start_main_~i~4 142), 70782#(<= ULTIMATE.start_main_~i~4 140), 70785#(<= ULTIMATE.start_main_~i~4 146), 70784#(<= ULTIMATE.start_main_~i~4 144), 70787#(<= ULTIMATE.start_main_~i~4 150), 70786#(<= ULTIMATE.start_main_~i~4 148), 70789#(<= ULTIMATE.start_main_~i~4 154), 70788#(<= ULTIMATE.start_main_~i~4 152), 70791#(<= ULTIMATE.start_main_~i~4 158), 70790#(<= ULTIMATE.start_main_~i~4 156), 70793#(<= ULTIMATE.start_main_~i~4 162), 70792#(<= ULTIMATE.start_main_~i~4 160), 70795#(<= ULTIMATE.start_main_~i~4 166), 70794#(<= ULTIMATE.start_main_~i~4 164), 70797#(<= ULTIMATE.start_main_~i~4 170), 70796#(<= ULTIMATE.start_main_~i~4 168), 70799#(<= ULTIMATE.start_main_~i~4 174), 70798#(<= ULTIMATE.start_main_~i~4 172), 70801#(<= ULTIMATE.start_main_~i~4 178), 70800#(<= ULTIMATE.start_main_~i~4 176), 70803#(<= ULTIMATE.start_main_~i~4 182), 70802#(<= ULTIMATE.start_main_~i~4 180), 70805#(<= ULTIMATE.start_main_~i~4 186), 70804#(<= ULTIMATE.start_main_~i~4 184), 70807#(<= ULTIMATE.start_main_~i~4 190), 70806#(<= ULTIMATE.start_main_~i~4 188), 70809#(<= ULTIMATE.start_main_~i~4 194), 70808#(<= ULTIMATE.start_main_~i~4 192), 70811#(<= ULTIMATE.start_main_~i~4 198), 70810#(<= ULTIMATE.start_main_~i~4 196), 70813#(<= ULTIMATE.start_main_~i~4 202), 70812#(<= ULTIMATE.start_main_~i~4 200), 70815#(<= ULTIMATE.start_main_~i~4 206), 70814#(<= ULTIMATE.start_main_~i~4 204), 70817#(<= ULTIMATE.start_main_~i~4 210), 70816#(<= ULTIMATE.start_main_~i~4 208), 70819#(<= ULTIMATE.start_main_~i~4 214), 70818#(<= ULTIMATE.start_main_~i~4 212), 70821#(<= ULTIMATE.start_main_~i~4 218), 70820#(<= ULTIMATE.start_main_~i~4 216), 70823#(<= ULTIMATE.start_main_~i~4 222), 70822#(<= ULTIMATE.start_main_~i~4 220), 70825#(<= ULTIMATE.start_main_~i~4 226), 70824#(<= ULTIMATE.start_main_~i~4 224), 70827#(<= ULTIMATE.start_main_~i~4 230), 70826#(<= ULTIMATE.start_main_~i~4 228), 70829#(<= ULTIMATE.start_main_~i~4 234), 70828#(<= ULTIMATE.start_main_~i~4 232), 70831#(<= ULTIMATE.start_main_~i~4 238), 70830#(<= ULTIMATE.start_main_~i~4 236), 70833#(<= ULTIMATE.start_main_~i~4 242), 70832#(<= ULTIMATE.start_main_~i~4 240), 70834#(<= ULTIMATE.start_main_~i~4 244)] [2018-07-23 13:45:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:31,425 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:45:31,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:45:31,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:45:31,427 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 125 states. [2018-07-23 13:45:31,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:31,666 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:45:31,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:45:31,666 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 248 [2018-07-23 13:45:31,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:31,667 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:45:31,667 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:45:31,667 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:45:31,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:45:31,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:45:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:45:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:45:31,670 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 248 [2018-07-23 13:45:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:31,671 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:45:31,671 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:45:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:45:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:45:31,671 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:31,672 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1] [2018-07-23 13:45:31,672 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:31,672 INFO L82 PathProgramCache]: Analyzing trace with hash -541176155, now seen corresponding path program 123 times [2018-07-23 13:45:31,672 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,070 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:32,070 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:45:32,071 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,071 INFO L185 omatonBuilderFactory]: Interpolants [71937#(<= ULTIMATE.start_main_~i~4 184), 71936#(<= ULTIMATE.start_main_~i~4 182), 71939#(<= ULTIMATE.start_main_~i~4 188), 71938#(<= ULTIMATE.start_main_~i~4 186), 71941#(<= ULTIMATE.start_main_~i~4 192), 71940#(<= ULTIMATE.start_main_~i~4 190), 71943#(<= ULTIMATE.start_main_~i~4 196), 71942#(<= ULTIMATE.start_main_~i~4 194), 71945#(<= ULTIMATE.start_main_~i~4 200), 71944#(<= ULTIMATE.start_main_~i~4 198), 71947#(<= ULTIMATE.start_main_~i~4 204), 71946#(<= ULTIMATE.start_main_~i~4 202), 71949#(<= ULTIMATE.start_main_~i~4 208), 71948#(<= ULTIMATE.start_main_~i~4 206), 71951#(<= ULTIMATE.start_main_~i~4 212), 71950#(<= ULTIMATE.start_main_~i~4 210), 71953#(<= ULTIMATE.start_main_~i~4 216), 71952#(<= ULTIMATE.start_main_~i~4 214), 71955#(<= ULTIMATE.start_main_~i~4 220), 71954#(<= ULTIMATE.start_main_~i~4 218), 71957#(<= ULTIMATE.start_main_~i~4 224), 71956#(<= ULTIMATE.start_main_~i~4 222), 71959#(<= ULTIMATE.start_main_~i~4 228), 71958#(<= ULTIMATE.start_main_~i~4 226), 71961#(<= ULTIMATE.start_main_~i~4 232), 71960#(<= ULTIMATE.start_main_~i~4 230), 71963#(<= ULTIMATE.start_main_~i~4 236), 71962#(<= ULTIMATE.start_main_~i~4 234), 71965#(<= ULTIMATE.start_main_~i~4 240), 71964#(<= ULTIMATE.start_main_~i~4 238), 71967#(<= ULTIMATE.start_main_~i~4 244), 71966#(<= ULTIMATE.start_main_~i~4 242), 71968#(<= ULTIMATE.start_main_~i~4 246), 71843#true, 71845#(<= ULTIMATE.start_main_~i~4 0), 71844#false, 71847#(<= ULTIMATE.start_main_~i~4 4), 71846#(<= ULTIMATE.start_main_~i~4 2), 71849#(<= ULTIMATE.start_main_~i~4 8), 71848#(<= ULTIMATE.start_main_~i~4 6), 71851#(<= ULTIMATE.start_main_~i~4 12), 71850#(<= ULTIMATE.start_main_~i~4 10), 71853#(<= ULTIMATE.start_main_~i~4 16), 71852#(<= ULTIMATE.start_main_~i~4 14), 71855#(<= ULTIMATE.start_main_~i~4 20), 71854#(<= ULTIMATE.start_main_~i~4 18), 71857#(<= ULTIMATE.start_main_~i~4 24), 71856#(<= ULTIMATE.start_main_~i~4 22), 71859#(<= ULTIMATE.start_main_~i~4 28), 71858#(<= ULTIMATE.start_main_~i~4 26), 71861#(<= ULTIMATE.start_main_~i~4 32), 71860#(<= ULTIMATE.start_main_~i~4 30), 71863#(<= ULTIMATE.start_main_~i~4 36), 71862#(<= ULTIMATE.start_main_~i~4 34), 71865#(<= ULTIMATE.start_main_~i~4 40), 71864#(<= ULTIMATE.start_main_~i~4 38), 71867#(<= ULTIMATE.start_main_~i~4 44), 71866#(<= ULTIMATE.start_main_~i~4 42), 71869#(<= ULTIMATE.start_main_~i~4 48), 71868#(<= ULTIMATE.start_main_~i~4 46), 71871#(<= ULTIMATE.start_main_~i~4 52), 71870#(<= ULTIMATE.start_main_~i~4 50), 71873#(<= ULTIMATE.start_main_~i~4 56), 71872#(<= ULTIMATE.start_main_~i~4 54), 71875#(<= ULTIMATE.start_main_~i~4 60), 71874#(<= ULTIMATE.start_main_~i~4 58), 71877#(<= ULTIMATE.start_main_~i~4 64), 71876#(<= ULTIMATE.start_main_~i~4 62), 71879#(<= ULTIMATE.start_main_~i~4 68), 71878#(<= ULTIMATE.start_main_~i~4 66), 71881#(<= ULTIMATE.start_main_~i~4 72), 71880#(<= ULTIMATE.start_main_~i~4 70), 71883#(<= ULTIMATE.start_main_~i~4 76), 71882#(<= ULTIMATE.start_main_~i~4 74), 71885#(<= ULTIMATE.start_main_~i~4 80), 71884#(<= ULTIMATE.start_main_~i~4 78), 71887#(<= ULTIMATE.start_main_~i~4 84), 71886#(<= ULTIMATE.start_main_~i~4 82), 71889#(<= ULTIMATE.start_main_~i~4 88), 71888#(<= ULTIMATE.start_main_~i~4 86), 71891#(<= ULTIMATE.start_main_~i~4 92), 71890#(<= ULTIMATE.start_main_~i~4 90), 71893#(<= ULTIMATE.start_main_~i~4 96), 71892#(<= ULTIMATE.start_main_~i~4 94), 71895#(<= ULTIMATE.start_main_~i~4 100), 71894#(<= ULTIMATE.start_main_~i~4 98), 71897#(<= ULTIMATE.start_main_~i~4 104), 71896#(<= ULTIMATE.start_main_~i~4 102), 71899#(<= ULTIMATE.start_main_~i~4 108), 71898#(<= ULTIMATE.start_main_~i~4 106), 71901#(<= ULTIMATE.start_main_~i~4 112), 71900#(<= ULTIMATE.start_main_~i~4 110), 71903#(<= ULTIMATE.start_main_~i~4 116), 71902#(<= ULTIMATE.start_main_~i~4 114), 71905#(<= ULTIMATE.start_main_~i~4 120), 71904#(<= ULTIMATE.start_main_~i~4 118), 71907#(<= ULTIMATE.start_main_~i~4 124), 71906#(<= ULTIMATE.start_main_~i~4 122), 71909#(<= ULTIMATE.start_main_~i~4 128), 71908#(<= ULTIMATE.start_main_~i~4 126), 71911#(<= ULTIMATE.start_main_~i~4 132), 71910#(<= ULTIMATE.start_main_~i~4 130), 71913#(<= ULTIMATE.start_main_~i~4 136), 71912#(<= ULTIMATE.start_main_~i~4 134), 71915#(<= ULTIMATE.start_main_~i~4 140), 71914#(<= ULTIMATE.start_main_~i~4 138), 71917#(<= ULTIMATE.start_main_~i~4 144), 71916#(<= ULTIMATE.start_main_~i~4 142), 71919#(<= ULTIMATE.start_main_~i~4 148), 71918#(<= ULTIMATE.start_main_~i~4 146), 71921#(<= ULTIMATE.start_main_~i~4 152), 71920#(<= ULTIMATE.start_main_~i~4 150), 71923#(<= ULTIMATE.start_main_~i~4 156), 71922#(<= ULTIMATE.start_main_~i~4 154), 71925#(<= ULTIMATE.start_main_~i~4 160), 71924#(<= ULTIMATE.start_main_~i~4 158), 71927#(<= ULTIMATE.start_main_~i~4 164), 71926#(<= ULTIMATE.start_main_~i~4 162), 71929#(<= ULTIMATE.start_main_~i~4 168), 71928#(<= ULTIMATE.start_main_~i~4 166), 71931#(<= ULTIMATE.start_main_~i~4 172), 71930#(<= ULTIMATE.start_main_~i~4 170), 71933#(<= ULTIMATE.start_main_~i~4 176), 71932#(<= ULTIMATE.start_main_~i~4 174), 71935#(<= ULTIMATE.start_main_~i~4 180), 71934#(<= ULTIMATE.start_main_~i~4 178)] [2018-07-23 13:45:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,072 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:45:32,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:45:32,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:45:32,074 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 126 states. [2018-07-23 13:45:32,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:32,203 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:45:32,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:45:32,203 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 250 [2018-07-23 13:45:32,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:32,203 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:45:32,204 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:45:32,204 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:45:32,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:45:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:45:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:45:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:45:32,207 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 250 [2018-07-23 13:45:32,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:32,208 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:45:32,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:45:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:45:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:45:32,209 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:32,209 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1] [2018-07-23 13:45:32,209 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:32,209 INFO L82 PathProgramCache]: Analyzing trace with hash -379190049, now seen corresponding path program 124 times [2018-07-23 13:45:32,210 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,588 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:32,588 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:45:32,588 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,589 INFO L185 omatonBuilderFactory]: Interpolants [72985#true, 72987#(<= ULTIMATE.start_main_~i~4 0), 72986#false, 72989#(<= ULTIMATE.start_main_~i~4 4), 72988#(<= ULTIMATE.start_main_~i~4 2), 72991#(<= ULTIMATE.start_main_~i~4 8), 72990#(<= ULTIMATE.start_main_~i~4 6), 72993#(<= ULTIMATE.start_main_~i~4 12), 72992#(<= ULTIMATE.start_main_~i~4 10), 72995#(<= ULTIMATE.start_main_~i~4 16), 72994#(<= ULTIMATE.start_main_~i~4 14), 72997#(<= ULTIMATE.start_main_~i~4 20), 72996#(<= ULTIMATE.start_main_~i~4 18), 72999#(<= ULTIMATE.start_main_~i~4 24), 72998#(<= ULTIMATE.start_main_~i~4 22), 73001#(<= ULTIMATE.start_main_~i~4 28), 73000#(<= ULTIMATE.start_main_~i~4 26), 73003#(<= ULTIMATE.start_main_~i~4 32), 73002#(<= ULTIMATE.start_main_~i~4 30), 73005#(<= ULTIMATE.start_main_~i~4 36), 73004#(<= ULTIMATE.start_main_~i~4 34), 73007#(<= ULTIMATE.start_main_~i~4 40), 73006#(<= ULTIMATE.start_main_~i~4 38), 73009#(<= ULTIMATE.start_main_~i~4 44), 73008#(<= ULTIMATE.start_main_~i~4 42), 73011#(<= ULTIMATE.start_main_~i~4 48), 73010#(<= ULTIMATE.start_main_~i~4 46), 73013#(<= ULTIMATE.start_main_~i~4 52), 73012#(<= ULTIMATE.start_main_~i~4 50), 73015#(<= ULTIMATE.start_main_~i~4 56), 73014#(<= ULTIMATE.start_main_~i~4 54), 73017#(<= ULTIMATE.start_main_~i~4 60), 73016#(<= ULTIMATE.start_main_~i~4 58), 73019#(<= ULTIMATE.start_main_~i~4 64), 73018#(<= ULTIMATE.start_main_~i~4 62), 73021#(<= ULTIMATE.start_main_~i~4 68), 73020#(<= ULTIMATE.start_main_~i~4 66), 73023#(<= ULTIMATE.start_main_~i~4 72), 73022#(<= ULTIMATE.start_main_~i~4 70), 73025#(<= ULTIMATE.start_main_~i~4 76), 73024#(<= ULTIMATE.start_main_~i~4 74), 73027#(<= ULTIMATE.start_main_~i~4 80), 73026#(<= ULTIMATE.start_main_~i~4 78), 73029#(<= ULTIMATE.start_main_~i~4 84), 73028#(<= ULTIMATE.start_main_~i~4 82), 73031#(<= ULTIMATE.start_main_~i~4 88), 73030#(<= ULTIMATE.start_main_~i~4 86), 73033#(<= ULTIMATE.start_main_~i~4 92), 73032#(<= ULTIMATE.start_main_~i~4 90), 73035#(<= ULTIMATE.start_main_~i~4 96), 73034#(<= ULTIMATE.start_main_~i~4 94), 73037#(<= ULTIMATE.start_main_~i~4 100), 73036#(<= ULTIMATE.start_main_~i~4 98), 73039#(<= ULTIMATE.start_main_~i~4 104), 73038#(<= ULTIMATE.start_main_~i~4 102), 73041#(<= ULTIMATE.start_main_~i~4 108), 73040#(<= ULTIMATE.start_main_~i~4 106), 73043#(<= ULTIMATE.start_main_~i~4 112), 73042#(<= ULTIMATE.start_main_~i~4 110), 73045#(<= ULTIMATE.start_main_~i~4 116), 73044#(<= ULTIMATE.start_main_~i~4 114), 73047#(<= ULTIMATE.start_main_~i~4 120), 73046#(<= ULTIMATE.start_main_~i~4 118), 73049#(<= ULTIMATE.start_main_~i~4 124), 73048#(<= ULTIMATE.start_main_~i~4 122), 73051#(<= ULTIMATE.start_main_~i~4 128), 73050#(<= ULTIMATE.start_main_~i~4 126), 73053#(<= ULTIMATE.start_main_~i~4 132), 73052#(<= ULTIMATE.start_main_~i~4 130), 73055#(<= ULTIMATE.start_main_~i~4 136), 73054#(<= ULTIMATE.start_main_~i~4 134), 73057#(<= ULTIMATE.start_main_~i~4 140), 73056#(<= ULTIMATE.start_main_~i~4 138), 73059#(<= ULTIMATE.start_main_~i~4 144), 73058#(<= ULTIMATE.start_main_~i~4 142), 73061#(<= ULTIMATE.start_main_~i~4 148), 73060#(<= ULTIMATE.start_main_~i~4 146), 73063#(<= ULTIMATE.start_main_~i~4 152), 73062#(<= ULTIMATE.start_main_~i~4 150), 73065#(<= ULTIMATE.start_main_~i~4 156), 73064#(<= ULTIMATE.start_main_~i~4 154), 73067#(<= ULTIMATE.start_main_~i~4 160), 73066#(<= ULTIMATE.start_main_~i~4 158), 73069#(<= ULTIMATE.start_main_~i~4 164), 73068#(<= ULTIMATE.start_main_~i~4 162), 73071#(<= ULTIMATE.start_main_~i~4 168), 73070#(<= ULTIMATE.start_main_~i~4 166), 73073#(<= ULTIMATE.start_main_~i~4 172), 73072#(<= ULTIMATE.start_main_~i~4 170), 73075#(<= ULTIMATE.start_main_~i~4 176), 73074#(<= ULTIMATE.start_main_~i~4 174), 73077#(<= ULTIMATE.start_main_~i~4 180), 73076#(<= ULTIMATE.start_main_~i~4 178), 73079#(<= ULTIMATE.start_main_~i~4 184), 73078#(<= ULTIMATE.start_main_~i~4 182), 73081#(<= ULTIMATE.start_main_~i~4 188), 73080#(<= ULTIMATE.start_main_~i~4 186), 73083#(<= ULTIMATE.start_main_~i~4 192), 73082#(<= ULTIMATE.start_main_~i~4 190), 73085#(<= ULTIMATE.start_main_~i~4 196), 73084#(<= ULTIMATE.start_main_~i~4 194), 73087#(<= ULTIMATE.start_main_~i~4 200), 73086#(<= ULTIMATE.start_main_~i~4 198), 73089#(<= ULTIMATE.start_main_~i~4 204), 73088#(<= ULTIMATE.start_main_~i~4 202), 73091#(<= ULTIMATE.start_main_~i~4 208), 73090#(<= ULTIMATE.start_main_~i~4 206), 73093#(<= ULTIMATE.start_main_~i~4 212), 73092#(<= ULTIMATE.start_main_~i~4 210), 73095#(<= ULTIMATE.start_main_~i~4 216), 73094#(<= ULTIMATE.start_main_~i~4 214), 73097#(<= ULTIMATE.start_main_~i~4 220), 73096#(<= ULTIMATE.start_main_~i~4 218), 73099#(<= ULTIMATE.start_main_~i~4 224), 73098#(<= ULTIMATE.start_main_~i~4 222), 73101#(<= ULTIMATE.start_main_~i~4 228), 73100#(<= ULTIMATE.start_main_~i~4 226), 73103#(<= ULTIMATE.start_main_~i~4 232), 73102#(<= ULTIMATE.start_main_~i~4 230), 73105#(<= ULTIMATE.start_main_~i~4 236), 73104#(<= ULTIMATE.start_main_~i~4 234), 73107#(<= ULTIMATE.start_main_~i~4 240), 73106#(<= ULTIMATE.start_main_~i~4 238), 73109#(<= ULTIMATE.start_main_~i~4 244), 73108#(<= ULTIMATE.start_main_~i~4 242), 73111#(<= ULTIMATE.start_main_~i~4 248), 73110#(<= ULTIMATE.start_main_~i~4 246)] [2018-07-23 13:45:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,589 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:45:32,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:45:32,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:45:32,591 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 127 states. [2018-07-23 13:45:32,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:32,889 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:45:32,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:45:32,889 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 252 [2018-07-23 13:45:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:32,890 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:45:32,890 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:45:32,891 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:45:32,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:45:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:45:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:45:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:45:32,895 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 252 [2018-07-23 13:45:32,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:32,896 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:45:32,896 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:45:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:45:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:45:32,897 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:32,897 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1] [2018-07-23 13:45:32,897 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:32,898 INFO L82 PathProgramCache]: Analyzing trace with hash 670635161, now seen corresponding path program 125 times [2018-07-23 13:45:32,898 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:33,331 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:33,331 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:45:33,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:33,331 INFO L185 omatonBuilderFactory]: Interpolants [74241#(<= ULTIMATE.start_main_~i~4 206), 74240#(<= ULTIMATE.start_main_~i~4 204), 74243#(<= ULTIMATE.start_main_~i~4 210), 74242#(<= ULTIMATE.start_main_~i~4 208), 74245#(<= ULTIMATE.start_main_~i~4 214), 74244#(<= ULTIMATE.start_main_~i~4 212), 74247#(<= ULTIMATE.start_main_~i~4 218), 74246#(<= ULTIMATE.start_main_~i~4 216), 74249#(<= ULTIMATE.start_main_~i~4 222), 74248#(<= ULTIMATE.start_main_~i~4 220), 74251#(<= ULTIMATE.start_main_~i~4 226), 74250#(<= ULTIMATE.start_main_~i~4 224), 74253#(<= ULTIMATE.start_main_~i~4 230), 74252#(<= ULTIMATE.start_main_~i~4 228), 74255#(<= ULTIMATE.start_main_~i~4 234), 74254#(<= ULTIMATE.start_main_~i~4 232), 74257#(<= ULTIMATE.start_main_~i~4 238), 74256#(<= ULTIMATE.start_main_~i~4 236), 74259#(<= ULTIMATE.start_main_~i~4 242), 74258#(<= ULTIMATE.start_main_~i~4 240), 74261#(<= ULTIMATE.start_main_~i~4 246), 74260#(<= ULTIMATE.start_main_~i~4 244), 74263#(<= ULTIMATE.start_main_~i~4 250), 74262#(<= ULTIMATE.start_main_~i~4 248), 74137#false, 74136#true, 74139#(<= ULTIMATE.start_main_~i~4 2), 74138#(<= ULTIMATE.start_main_~i~4 0), 74141#(<= ULTIMATE.start_main_~i~4 6), 74140#(<= ULTIMATE.start_main_~i~4 4), 74143#(<= ULTIMATE.start_main_~i~4 10), 74142#(<= ULTIMATE.start_main_~i~4 8), 74145#(<= ULTIMATE.start_main_~i~4 14), 74144#(<= ULTIMATE.start_main_~i~4 12), 74147#(<= ULTIMATE.start_main_~i~4 18), 74146#(<= ULTIMATE.start_main_~i~4 16), 74149#(<= ULTIMATE.start_main_~i~4 22), 74148#(<= ULTIMATE.start_main_~i~4 20), 74151#(<= ULTIMATE.start_main_~i~4 26), 74150#(<= ULTIMATE.start_main_~i~4 24), 74153#(<= ULTIMATE.start_main_~i~4 30), 74152#(<= ULTIMATE.start_main_~i~4 28), 74155#(<= ULTIMATE.start_main_~i~4 34), 74154#(<= ULTIMATE.start_main_~i~4 32), 74157#(<= ULTIMATE.start_main_~i~4 38), 74156#(<= ULTIMATE.start_main_~i~4 36), 74159#(<= ULTIMATE.start_main_~i~4 42), 74158#(<= ULTIMATE.start_main_~i~4 40), 74161#(<= ULTIMATE.start_main_~i~4 46), 74160#(<= ULTIMATE.start_main_~i~4 44), 74163#(<= ULTIMATE.start_main_~i~4 50), 74162#(<= ULTIMATE.start_main_~i~4 48), 74165#(<= ULTIMATE.start_main_~i~4 54), 74164#(<= ULTIMATE.start_main_~i~4 52), 74167#(<= ULTIMATE.start_main_~i~4 58), 74166#(<= ULTIMATE.start_main_~i~4 56), 74169#(<= ULTIMATE.start_main_~i~4 62), 74168#(<= ULTIMATE.start_main_~i~4 60), 74171#(<= ULTIMATE.start_main_~i~4 66), 74170#(<= ULTIMATE.start_main_~i~4 64), 74173#(<= ULTIMATE.start_main_~i~4 70), 74172#(<= ULTIMATE.start_main_~i~4 68), 74175#(<= ULTIMATE.start_main_~i~4 74), 74174#(<= ULTIMATE.start_main_~i~4 72), 74177#(<= ULTIMATE.start_main_~i~4 78), 74176#(<= ULTIMATE.start_main_~i~4 76), 74179#(<= ULTIMATE.start_main_~i~4 82), 74178#(<= ULTIMATE.start_main_~i~4 80), 74181#(<= ULTIMATE.start_main_~i~4 86), 74180#(<= ULTIMATE.start_main_~i~4 84), 74183#(<= ULTIMATE.start_main_~i~4 90), 74182#(<= ULTIMATE.start_main_~i~4 88), 74185#(<= ULTIMATE.start_main_~i~4 94), 74184#(<= ULTIMATE.start_main_~i~4 92), 74187#(<= ULTIMATE.start_main_~i~4 98), 74186#(<= ULTIMATE.start_main_~i~4 96), 74189#(<= ULTIMATE.start_main_~i~4 102), 74188#(<= ULTIMATE.start_main_~i~4 100), 74191#(<= ULTIMATE.start_main_~i~4 106), 74190#(<= ULTIMATE.start_main_~i~4 104), 74193#(<= ULTIMATE.start_main_~i~4 110), 74192#(<= ULTIMATE.start_main_~i~4 108), 74195#(<= ULTIMATE.start_main_~i~4 114), 74194#(<= ULTIMATE.start_main_~i~4 112), 74197#(<= ULTIMATE.start_main_~i~4 118), 74196#(<= ULTIMATE.start_main_~i~4 116), 74199#(<= ULTIMATE.start_main_~i~4 122), 74198#(<= ULTIMATE.start_main_~i~4 120), 74201#(<= ULTIMATE.start_main_~i~4 126), 74200#(<= ULTIMATE.start_main_~i~4 124), 74203#(<= ULTIMATE.start_main_~i~4 130), 74202#(<= ULTIMATE.start_main_~i~4 128), 74205#(<= ULTIMATE.start_main_~i~4 134), 74204#(<= ULTIMATE.start_main_~i~4 132), 74207#(<= ULTIMATE.start_main_~i~4 138), 74206#(<= ULTIMATE.start_main_~i~4 136), 74209#(<= ULTIMATE.start_main_~i~4 142), 74208#(<= ULTIMATE.start_main_~i~4 140), 74211#(<= ULTIMATE.start_main_~i~4 146), 74210#(<= ULTIMATE.start_main_~i~4 144), 74213#(<= ULTIMATE.start_main_~i~4 150), 74212#(<= ULTIMATE.start_main_~i~4 148), 74215#(<= ULTIMATE.start_main_~i~4 154), 74214#(<= ULTIMATE.start_main_~i~4 152), 74217#(<= ULTIMATE.start_main_~i~4 158), 74216#(<= ULTIMATE.start_main_~i~4 156), 74219#(<= ULTIMATE.start_main_~i~4 162), 74218#(<= ULTIMATE.start_main_~i~4 160), 74221#(<= ULTIMATE.start_main_~i~4 166), 74220#(<= ULTIMATE.start_main_~i~4 164), 74223#(<= ULTIMATE.start_main_~i~4 170), 74222#(<= ULTIMATE.start_main_~i~4 168), 74225#(<= ULTIMATE.start_main_~i~4 174), 74224#(<= ULTIMATE.start_main_~i~4 172), 74227#(<= ULTIMATE.start_main_~i~4 178), 74226#(<= ULTIMATE.start_main_~i~4 176), 74229#(<= ULTIMATE.start_main_~i~4 182), 74228#(<= ULTIMATE.start_main_~i~4 180), 74231#(<= ULTIMATE.start_main_~i~4 186), 74230#(<= ULTIMATE.start_main_~i~4 184), 74233#(<= ULTIMATE.start_main_~i~4 190), 74232#(<= ULTIMATE.start_main_~i~4 188), 74235#(<= ULTIMATE.start_main_~i~4 194), 74234#(<= ULTIMATE.start_main_~i~4 192), 74237#(<= ULTIMATE.start_main_~i~4 198), 74236#(<= ULTIMATE.start_main_~i~4 196), 74239#(<= ULTIMATE.start_main_~i~4 202), 74238#(<= ULTIMATE.start_main_~i~4 200)] [2018-07-23 13:45:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:33,332 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:45:33,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:45:33,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:45:33,334 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 128 states. [2018-07-23 13:45:33,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:33,510 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:45:33,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:45:33,510 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 254 [2018-07-23 13:45:33,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:33,511 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:45:33,511 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:45:33,512 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:45:33,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:45:33,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:45:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:45:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:45:33,517 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 254 [2018-07-23 13:45:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:33,517 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:45:33,517 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:45:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:45:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:45:33,518 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:33,518 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1] [2018-07-23 13:45:33,519 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:33,519 INFO L82 PathProgramCache]: Analyzing trace with hash 235347411, now seen corresponding path program 126 times [2018-07-23 13:45:33,519 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,021 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:34,021 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:45:34,022 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,022 INFO L185 omatonBuilderFactory]: Interpolants [75297#false, 75296#true, 75299#(<= ULTIMATE.start_main_~i~4 2), 75298#(<= ULTIMATE.start_main_~i~4 0), 75301#(<= ULTIMATE.start_main_~i~4 6), 75300#(<= ULTIMATE.start_main_~i~4 4), 75303#(<= ULTIMATE.start_main_~i~4 10), 75302#(<= ULTIMATE.start_main_~i~4 8), 75305#(<= ULTIMATE.start_main_~i~4 14), 75304#(<= ULTIMATE.start_main_~i~4 12), 75307#(<= ULTIMATE.start_main_~i~4 18), 75306#(<= ULTIMATE.start_main_~i~4 16), 75309#(<= ULTIMATE.start_main_~i~4 22), 75308#(<= ULTIMATE.start_main_~i~4 20), 75311#(<= ULTIMATE.start_main_~i~4 26), 75310#(<= ULTIMATE.start_main_~i~4 24), 75313#(<= ULTIMATE.start_main_~i~4 30), 75312#(<= ULTIMATE.start_main_~i~4 28), 75315#(<= ULTIMATE.start_main_~i~4 34), 75314#(<= ULTIMATE.start_main_~i~4 32), 75317#(<= ULTIMATE.start_main_~i~4 38), 75316#(<= ULTIMATE.start_main_~i~4 36), 75319#(<= ULTIMATE.start_main_~i~4 42), 75318#(<= ULTIMATE.start_main_~i~4 40), 75321#(<= ULTIMATE.start_main_~i~4 46), 75320#(<= ULTIMATE.start_main_~i~4 44), 75323#(<= ULTIMATE.start_main_~i~4 50), 75322#(<= ULTIMATE.start_main_~i~4 48), 75325#(<= ULTIMATE.start_main_~i~4 54), 75324#(<= ULTIMATE.start_main_~i~4 52), 75327#(<= ULTIMATE.start_main_~i~4 58), 75326#(<= ULTIMATE.start_main_~i~4 56), 75329#(<= ULTIMATE.start_main_~i~4 62), 75328#(<= ULTIMATE.start_main_~i~4 60), 75331#(<= ULTIMATE.start_main_~i~4 66), 75330#(<= ULTIMATE.start_main_~i~4 64), 75333#(<= ULTIMATE.start_main_~i~4 70), 75332#(<= ULTIMATE.start_main_~i~4 68), 75335#(<= ULTIMATE.start_main_~i~4 74), 75334#(<= ULTIMATE.start_main_~i~4 72), 75337#(<= ULTIMATE.start_main_~i~4 78), 75336#(<= ULTIMATE.start_main_~i~4 76), 75339#(<= ULTIMATE.start_main_~i~4 82), 75338#(<= ULTIMATE.start_main_~i~4 80), 75341#(<= ULTIMATE.start_main_~i~4 86), 75340#(<= ULTIMATE.start_main_~i~4 84), 75343#(<= ULTIMATE.start_main_~i~4 90), 75342#(<= ULTIMATE.start_main_~i~4 88), 75345#(<= ULTIMATE.start_main_~i~4 94), 75344#(<= ULTIMATE.start_main_~i~4 92), 75347#(<= ULTIMATE.start_main_~i~4 98), 75346#(<= ULTIMATE.start_main_~i~4 96), 75349#(<= ULTIMATE.start_main_~i~4 102), 75348#(<= ULTIMATE.start_main_~i~4 100), 75351#(<= ULTIMATE.start_main_~i~4 106), 75350#(<= ULTIMATE.start_main_~i~4 104), 75353#(<= ULTIMATE.start_main_~i~4 110), 75352#(<= ULTIMATE.start_main_~i~4 108), 75355#(<= ULTIMATE.start_main_~i~4 114), 75354#(<= ULTIMATE.start_main_~i~4 112), 75357#(<= ULTIMATE.start_main_~i~4 118), 75356#(<= ULTIMATE.start_main_~i~4 116), 75359#(<= ULTIMATE.start_main_~i~4 122), 75358#(<= ULTIMATE.start_main_~i~4 120), 75361#(<= ULTIMATE.start_main_~i~4 126), 75360#(<= ULTIMATE.start_main_~i~4 124), 75363#(<= ULTIMATE.start_main_~i~4 130), 75362#(<= ULTIMATE.start_main_~i~4 128), 75365#(<= ULTIMATE.start_main_~i~4 134), 75364#(<= ULTIMATE.start_main_~i~4 132), 75367#(<= ULTIMATE.start_main_~i~4 138), 75366#(<= ULTIMATE.start_main_~i~4 136), 75369#(<= ULTIMATE.start_main_~i~4 142), 75368#(<= ULTIMATE.start_main_~i~4 140), 75371#(<= ULTIMATE.start_main_~i~4 146), 75370#(<= ULTIMATE.start_main_~i~4 144), 75373#(<= ULTIMATE.start_main_~i~4 150), 75372#(<= ULTIMATE.start_main_~i~4 148), 75375#(<= ULTIMATE.start_main_~i~4 154), 75374#(<= ULTIMATE.start_main_~i~4 152), 75377#(<= ULTIMATE.start_main_~i~4 158), 75376#(<= ULTIMATE.start_main_~i~4 156), 75379#(<= ULTIMATE.start_main_~i~4 162), 75378#(<= ULTIMATE.start_main_~i~4 160), 75381#(<= ULTIMATE.start_main_~i~4 166), 75380#(<= ULTIMATE.start_main_~i~4 164), 75383#(<= ULTIMATE.start_main_~i~4 170), 75382#(<= ULTIMATE.start_main_~i~4 168), 75385#(<= ULTIMATE.start_main_~i~4 174), 75384#(<= ULTIMATE.start_main_~i~4 172), 75387#(<= ULTIMATE.start_main_~i~4 178), 75386#(<= ULTIMATE.start_main_~i~4 176), 75389#(<= ULTIMATE.start_main_~i~4 182), 75388#(<= ULTIMATE.start_main_~i~4 180), 75391#(<= ULTIMATE.start_main_~i~4 186), 75390#(<= ULTIMATE.start_main_~i~4 184), 75393#(<= ULTIMATE.start_main_~i~4 190), 75392#(<= ULTIMATE.start_main_~i~4 188), 75395#(<= ULTIMATE.start_main_~i~4 194), 75394#(<= ULTIMATE.start_main_~i~4 192), 75397#(<= ULTIMATE.start_main_~i~4 198), 75396#(<= ULTIMATE.start_main_~i~4 196), 75399#(<= ULTIMATE.start_main_~i~4 202), 75398#(<= ULTIMATE.start_main_~i~4 200), 75401#(<= ULTIMATE.start_main_~i~4 206), 75400#(<= ULTIMATE.start_main_~i~4 204), 75403#(<= ULTIMATE.start_main_~i~4 210), 75402#(<= ULTIMATE.start_main_~i~4 208), 75405#(<= ULTIMATE.start_main_~i~4 214), 75404#(<= ULTIMATE.start_main_~i~4 212), 75407#(<= ULTIMATE.start_main_~i~4 218), 75406#(<= ULTIMATE.start_main_~i~4 216), 75409#(<= ULTIMATE.start_main_~i~4 222), 75408#(<= ULTIMATE.start_main_~i~4 220), 75411#(<= ULTIMATE.start_main_~i~4 226), 75410#(<= ULTIMATE.start_main_~i~4 224), 75413#(<= ULTIMATE.start_main_~i~4 230), 75412#(<= ULTIMATE.start_main_~i~4 228), 75415#(<= ULTIMATE.start_main_~i~4 234), 75414#(<= ULTIMATE.start_main_~i~4 232), 75417#(<= ULTIMATE.start_main_~i~4 238), 75416#(<= ULTIMATE.start_main_~i~4 236), 75419#(<= ULTIMATE.start_main_~i~4 242), 75418#(<= ULTIMATE.start_main_~i~4 240), 75421#(<= ULTIMATE.start_main_~i~4 246), 75420#(<= ULTIMATE.start_main_~i~4 244), 75423#(<= ULTIMATE.start_main_~i~4 250), 75422#(<= ULTIMATE.start_main_~i~4 248), 75424#(<= ULTIMATE.start_main_~i~4 252)] [2018-07-23 13:45:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,023 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:45:34,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:45:34,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:45:34,024 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 129 states. [2018-07-23 13:45:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:34,324 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:45:34,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:45:34,324 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 256 [2018-07-23 13:45:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:34,325 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:45:34,325 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:45:34,325 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:45:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:45:34,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:45:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:45:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:45:34,329 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 256 [2018-07-23 13:45:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:34,329 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:45:34,329 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:45:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:45:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:45:34,330 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:34,330 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1] [2018-07-23 13:45:34,330 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1464352627, now seen corresponding path program 127 times [2018-07-23 13:45:34,330 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,768 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:34,768 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:45:34,768 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:34,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,769 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= ULTIMATE.start_main_~i~4 156), 76544#(<= ULTIMATE.start_main_~i~4 154), 76547#(<= ULTIMATE.start_main_~i~4 160), 76546#(<= ULTIMATE.start_main_~i~4 158), 76549#(<= ULTIMATE.start_main_~i~4 164), 76548#(<= ULTIMATE.start_main_~i~4 162), 76551#(<= ULTIMATE.start_main_~i~4 168), 76550#(<= ULTIMATE.start_main_~i~4 166), 76553#(<= ULTIMATE.start_main_~i~4 172), 76552#(<= ULTIMATE.start_main_~i~4 170), 76555#(<= ULTIMATE.start_main_~i~4 176), 76554#(<= ULTIMATE.start_main_~i~4 174), 76557#(<= ULTIMATE.start_main_~i~4 180), 76556#(<= ULTIMATE.start_main_~i~4 178), 76559#(<= ULTIMATE.start_main_~i~4 184), 76558#(<= ULTIMATE.start_main_~i~4 182), 76561#(<= ULTIMATE.start_main_~i~4 188), 76560#(<= ULTIMATE.start_main_~i~4 186), 76563#(<= ULTIMATE.start_main_~i~4 192), 76562#(<= ULTIMATE.start_main_~i~4 190), 76565#(<= ULTIMATE.start_main_~i~4 196), 76564#(<= ULTIMATE.start_main_~i~4 194), 76567#(<= ULTIMATE.start_main_~i~4 200), 76566#(<= ULTIMATE.start_main_~i~4 198), 76569#(<= ULTIMATE.start_main_~i~4 204), 76568#(<= ULTIMATE.start_main_~i~4 202), 76571#(<= ULTIMATE.start_main_~i~4 208), 76570#(<= ULTIMATE.start_main_~i~4 206), 76573#(<= ULTIMATE.start_main_~i~4 212), 76572#(<= ULTIMATE.start_main_~i~4 210), 76575#(<= ULTIMATE.start_main_~i~4 216), 76574#(<= ULTIMATE.start_main_~i~4 214), 76577#(<= ULTIMATE.start_main_~i~4 220), 76576#(<= ULTIMATE.start_main_~i~4 218), 76579#(<= ULTIMATE.start_main_~i~4 224), 76578#(<= ULTIMATE.start_main_~i~4 222), 76581#(<= ULTIMATE.start_main_~i~4 228), 76580#(<= ULTIMATE.start_main_~i~4 226), 76583#(<= ULTIMATE.start_main_~i~4 232), 76582#(<= ULTIMATE.start_main_~i~4 230), 76585#(<= ULTIMATE.start_main_~i~4 236), 76584#(<= ULTIMATE.start_main_~i~4 234), 76587#(<= ULTIMATE.start_main_~i~4 240), 76586#(<= ULTIMATE.start_main_~i~4 238), 76589#(<= ULTIMATE.start_main_~i~4 244), 76588#(<= ULTIMATE.start_main_~i~4 242), 76591#(<= ULTIMATE.start_main_~i~4 248), 76590#(<= ULTIMATE.start_main_~i~4 246), 76593#(<= ULTIMATE.start_main_~i~4 252), 76592#(<= ULTIMATE.start_main_~i~4 250), 76594#(<= ULTIMATE.start_main_~i~4 254), 76465#true, 76467#(<= ULTIMATE.start_main_~i~4 0), 76466#false, 76469#(<= ULTIMATE.start_main_~i~4 4), 76468#(<= ULTIMATE.start_main_~i~4 2), 76471#(<= ULTIMATE.start_main_~i~4 8), 76470#(<= ULTIMATE.start_main_~i~4 6), 76473#(<= ULTIMATE.start_main_~i~4 12), 76472#(<= ULTIMATE.start_main_~i~4 10), 76475#(<= ULTIMATE.start_main_~i~4 16), 76474#(<= ULTIMATE.start_main_~i~4 14), 76477#(<= ULTIMATE.start_main_~i~4 20), 76476#(<= ULTIMATE.start_main_~i~4 18), 76479#(<= ULTIMATE.start_main_~i~4 24), 76478#(<= ULTIMATE.start_main_~i~4 22), 76481#(<= ULTIMATE.start_main_~i~4 28), 76480#(<= ULTIMATE.start_main_~i~4 26), 76483#(<= ULTIMATE.start_main_~i~4 32), 76482#(<= ULTIMATE.start_main_~i~4 30), 76485#(<= ULTIMATE.start_main_~i~4 36), 76484#(<= ULTIMATE.start_main_~i~4 34), 76487#(<= ULTIMATE.start_main_~i~4 40), 76486#(<= ULTIMATE.start_main_~i~4 38), 76489#(<= ULTIMATE.start_main_~i~4 44), 76488#(<= ULTIMATE.start_main_~i~4 42), 76491#(<= ULTIMATE.start_main_~i~4 48), 76490#(<= ULTIMATE.start_main_~i~4 46), 76493#(<= ULTIMATE.start_main_~i~4 52), 76492#(<= ULTIMATE.start_main_~i~4 50), 76495#(<= ULTIMATE.start_main_~i~4 56), 76494#(<= ULTIMATE.start_main_~i~4 54), 76497#(<= ULTIMATE.start_main_~i~4 60), 76496#(<= ULTIMATE.start_main_~i~4 58), 76499#(<= ULTIMATE.start_main_~i~4 64), 76498#(<= ULTIMATE.start_main_~i~4 62), 76501#(<= ULTIMATE.start_main_~i~4 68), 76500#(<= ULTIMATE.start_main_~i~4 66), 76503#(<= ULTIMATE.start_main_~i~4 72), 76502#(<= ULTIMATE.start_main_~i~4 70), 76505#(<= ULTIMATE.start_main_~i~4 76), 76504#(<= ULTIMATE.start_main_~i~4 74), 76507#(<= ULTIMATE.start_main_~i~4 80), 76506#(<= ULTIMATE.start_main_~i~4 78), 76509#(<= ULTIMATE.start_main_~i~4 84), 76508#(<= ULTIMATE.start_main_~i~4 82), 76511#(<= ULTIMATE.start_main_~i~4 88), 76510#(<= ULTIMATE.start_main_~i~4 86), 76513#(<= ULTIMATE.start_main_~i~4 92), 76512#(<= ULTIMATE.start_main_~i~4 90), 76515#(<= ULTIMATE.start_main_~i~4 96), 76514#(<= ULTIMATE.start_main_~i~4 94), 76517#(<= ULTIMATE.start_main_~i~4 100), 76516#(<= ULTIMATE.start_main_~i~4 98), 76519#(<= ULTIMATE.start_main_~i~4 104), 76518#(<= ULTIMATE.start_main_~i~4 102), 76521#(<= ULTIMATE.start_main_~i~4 108), 76520#(<= ULTIMATE.start_main_~i~4 106), 76523#(<= ULTIMATE.start_main_~i~4 112), 76522#(<= ULTIMATE.start_main_~i~4 110), 76525#(<= ULTIMATE.start_main_~i~4 116), 76524#(<= ULTIMATE.start_main_~i~4 114), 76527#(<= ULTIMATE.start_main_~i~4 120), 76526#(<= ULTIMATE.start_main_~i~4 118), 76529#(<= ULTIMATE.start_main_~i~4 124), 76528#(<= ULTIMATE.start_main_~i~4 122), 76531#(<= ULTIMATE.start_main_~i~4 128), 76530#(<= ULTIMATE.start_main_~i~4 126), 76533#(<= ULTIMATE.start_main_~i~4 132), 76532#(<= ULTIMATE.start_main_~i~4 130), 76535#(<= ULTIMATE.start_main_~i~4 136), 76534#(<= ULTIMATE.start_main_~i~4 134), 76537#(<= ULTIMATE.start_main_~i~4 140), 76536#(<= ULTIMATE.start_main_~i~4 138), 76539#(<= ULTIMATE.start_main_~i~4 144), 76538#(<= ULTIMATE.start_main_~i~4 142), 76541#(<= ULTIMATE.start_main_~i~4 148), 76540#(<= ULTIMATE.start_main_~i~4 146), 76543#(<= ULTIMATE.start_main_~i~4 152), 76542#(<= ULTIMATE.start_main_~i~4 150)] [2018-07-23 13:45:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,771 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:45:34,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:45:34,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:45:34,773 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 130 states. [2018-07-23 13:45:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:34,882 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:45:34,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:45:34,882 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 258 [2018-07-23 13:45:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:34,883 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:45:34,883 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:45:34,885 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:45:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:45:34,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:45:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:45:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:45:34,889 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 258 [2018-07-23 13:45:34,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:34,889 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:45:34,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:45:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:45:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:45:34,890 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:34,890 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1] [2018-07-23 13:45:34,890 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:34,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1506450631, now seen corresponding path program 128 times [2018-07-23 13:45:34,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,288 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:35,288 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:45:35,288 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:35,289 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 13:45:35,289 INFO L185 omatonBuilderFactory]: Interpolants [77643#true, 77645#(<= ULTIMATE.start_main_~i~4 0), 77644#false, 77647#(<= ULTIMATE.start_main_~i~4 4), 77646#(<= ULTIMATE.start_main_~i~4 2), 77649#(<= ULTIMATE.start_main_~i~4 8), 77648#(<= ULTIMATE.start_main_~i~4 6), 77651#(<= ULTIMATE.start_main_~i~4 12), 77650#(<= ULTIMATE.start_main_~i~4 10), 77653#(<= ULTIMATE.start_main_~i~4 16), 77652#(<= ULTIMATE.start_main_~i~4 14), 77655#(<= ULTIMATE.start_main_~i~4 20), 77654#(<= ULTIMATE.start_main_~i~4 18), 77657#(<= ULTIMATE.start_main_~i~4 24), 77656#(<= ULTIMATE.start_main_~i~4 22), 77659#(<= ULTIMATE.start_main_~i~4 28), 77658#(<= ULTIMATE.start_main_~i~4 26), 77661#(<= ULTIMATE.start_main_~i~4 32), 77660#(<= ULTIMATE.start_main_~i~4 30), 77663#(<= ULTIMATE.start_main_~i~4 36), 77662#(<= ULTIMATE.start_main_~i~4 34), 77665#(<= ULTIMATE.start_main_~i~4 40), 77664#(<= ULTIMATE.start_main_~i~4 38), 77667#(<= ULTIMATE.start_main_~i~4 44), 77666#(<= ULTIMATE.start_main_~i~4 42), 77669#(<= ULTIMATE.start_main_~i~4 48), 77668#(<= ULTIMATE.start_main_~i~4 46), 77671#(<= ULTIMATE.start_main_~i~4 52), 77670#(<= ULTIMATE.start_main_~i~4 50), 77673#(<= ULTIMATE.start_main_~i~4 56), 77672#(<= ULTIMATE.start_main_~i~4 54), 77675#(<= ULTIMATE.start_main_~i~4 60), 77674#(<= ULTIMATE.start_main_~i~4 58), 77677#(<= ULTIMATE.start_main_~i~4 64), 77676#(<= ULTIMATE.start_main_~i~4 62), 77679#(<= ULTIMATE.start_main_~i~4 68), 77678#(<= ULTIMATE.start_main_~i~4 66), 77681#(<= ULTIMATE.start_main_~i~4 72), 77680#(<= ULTIMATE.start_main_~i~4 70), 77683#(<= ULTIMATE.start_main_~i~4 76), 77682#(<= ULTIMATE.start_main_~i~4 74), 77685#(<= ULTIMATE.start_main_~i~4 80), 77684#(<= ULTIMATE.start_main_~i~4 78), 77687#(<= ULTIMATE.start_main_~i~4 84), 77686#(<= ULTIMATE.start_main_~i~4 82), 77689#(<= ULTIMATE.start_main_~i~4 88), 77688#(<= ULTIMATE.start_main_~i~4 86), 77691#(<= ULTIMATE.start_main_~i~4 92), 77690#(<= ULTIMATE.start_main_~i~4 90), 77693#(<= ULTIMATE.start_main_~i~4 96), 77692#(<= ULTIMATE.start_main_~i~4 94), 77695#(<= ULTIMATE.start_main_~i~4 100), 77694#(<= ULTIMATE.start_main_~i~4 98), 77697#(<= ULTIMATE.start_main_~i~4 104), 77696#(<= ULTIMATE.start_main_~i~4 102), 77699#(<= ULTIMATE.start_main_~i~4 108), 77698#(<= ULTIMATE.start_main_~i~4 106), 77701#(<= ULTIMATE.start_main_~i~4 112), 77700#(<= ULTIMATE.start_main_~i~4 110), 77703#(<= ULTIMATE.start_main_~i~4 116), 77702#(<= ULTIMATE.start_main_~i~4 114), 77705#(<= ULTIMATE.start_main_~i~4 120), 77704#(<= ULTIMATE.start_main_~i~4 118), 77707#(<= ULTIMATE.start_main_~i~4 124), 77706#(<= ULTIMATE.start_main_~i~4 122), 77709#(<= ULTIMATE.start_main_~i~4 128), 77708#(<= ULTIMATE.start_main_~i~4 126), 77711#(<= ULTIMATE.start_main_~i~4 132), 77710#(<= ULTIMATE.start_main_~i~4 130), 77713#(<= ULTIMATE.start_main_~i~4 136), 77712#(<= ULTIMATE.start_main_~i~4 134), 77715#(<= ULTIMATE.start_main_~i~4 140), 77714#(<= ULTIMATE.start_main_~i~4 138), 77717#(<= ULTIMATE.start_main_~i~4 144), 77716#(<= ULTIMATE.start_main_~i~4 142), 77719#(<= ULTIMATE.start_main_~i~4 148), 77718#(<= ULTIMATE.start_main_~i~4 146), 77721#(<= ULTIMATE.start_main_~i~4 152), 77720#(<= ULTIMATE.start_main_~i~4 150), 77723#(<= ULTIMATE.start_main_~i~4 156), 77722#(<= ULTIMATE.start_main_~i~4 154), 77725#(<= ULTIMATE.start_main_~i~4 160), 77724#(<= ULTIMATE.start_main_~i~4 158), 77727#(<= ULTIMATE.start_main_~i~4 164), 77726#(<= ULTIMATE.start_main_~i~4 162), 77729#(<= ULTIMATE.start_main_~i~4 168), 77728#(<= ULTIMATE.start_main_~i~4 166), 77731#(<= ULTIMATE.start_main_~i~4 172), 77730#(<= ULTIMATE.start_main_~i~4 170), 77733#(<= ULTIMATE.start_main_~i~4 176), 77732#(<= ULTIMATE.start_main_~i~4 174), 77735#(<= ULTIMATE.start_main_~i~4 180), 77734#(<= ULTIMATE.start_main_~i~4 178), 77737#(<= ULTIMATE.start_main_~i~4 184), 77736#(<= ULTIMATE.start_main_~i~4 182), 77739#(<= ULTIMATE.start_main_~i~4 188), 77738#(<= ULTIMATE.start_main_~i~4 186), 77741#(<= ULTIMATE.start_main_~i~4 192), 77740#(<= ULTIMATE.start_main_~i~4 190), 77743#(<= ULTIMATE.start_main_~i~4 196), 77742#(<= ULTIMATE.start_main_~i~4 194), 77745#(<= ULTIMATE.start_main_~i~4 200), 77744#(<= ULTIMATE.start_main_~i~4 198), 77747#(<= ULTIMATE.start_main_~i~4 204), 77746#(<= ULTIMATE.start_main_~i~4 202), 77749#(<= ULTIMATE.start_main_~i~4 208), 77748#(<= ULTIMATE.start_main_~i~4 206), 77751#(<= ULTIMATE.start_main_~i~4 212), 77750#(<= ULTIMATE.start_main_~i~4 210), 77753#(<= ULTIMATE.start_main_~i~4 216), 77752#(<= ULTIMATE.start_main_~i~4 214), 77755#(<= ULTIMATE.start_main_~i~4 220), 77754#(<= ULTIMATE.start_main_~i~4 218), 77757#(<= ULTIMATE.start_main_~i~4 224), 77756#(<= ULTIMATE.start_main_~i~4 222), 77759#(<= ULTIMATE.start_main_~i~4 228), 77758#(<= ULTIMATE.start_main_~i~4 226), 77761#(<= ULTIMATE.start_main_~i~4 232), 77760#(<= ULTIMATE.start_main_~i~4 230), 77763#(<= ULTIMATE.start_main_~i~4 236), 77762#(<= ULTIMATE.start_main_~i~4 234), 77765#(<= ULTIMATE.start_main_~i~4 240), 77764#(<= ULTIMATE.start_main_~i~4 238), 77767#(<= ULTIMATE.start_main_~i~4 244), 77766#(<= ULTIMATE.start_main_~i~4 242), 77769#(<= ULTIMATE.start_main_~i~4 248), 77768#(<= ULTIMATE.start_main_~i~4 246), 77771#(<= ULTIMATE.start_main_~i~4 252), 77770#(<= ULTIMATE.start_main_~i~4 250), 77773#(<= ULTIMATE.start_main_~i~4 256), 77772#(<= ULTIMATE.start_main_~i~4 254)] [2018-07-23 13:45:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,290 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:45:35,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:45:35,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:45:35,292 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 131 states. [2018-07-23 13:45:35,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:35,561 INFO L93 Difference]: Finished difference Result 265 states and 265 transitions. [2018-07-23 13:45:35,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:45:35,562 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 260 [2018-07-23 13:45:35,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:35,562 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:45:35,562 INFO L226 Difference]: Without dead ends: 263 [2018-07-23 13:45:35,564 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:45:35,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-07-23 13:45:35,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-07-23 13:45:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:45:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-07-23 13:45:35,567 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 263 transitions. Word has length 260 [2018-07-23 13:45:35,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:35,567 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 263 transitions. [2018-07-23 13:45:35,567 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:45:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-07-23 13:45:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:45:35,568 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:35,568 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1] [2018-07-23 13:45:35,568 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:35,568 INFO L82 PathProgramCache]: Analyzing trace with hash 295129729, now seen corresponding path program 129 times [2018-07-23 13:45:35,568 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,987 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:35,987 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:45:35,987 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:35,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,987 INFO L185 omatonBuilderFactory]: Interpolants [78849#(<= ULTIMATE.start_main_~i~4 34), 78848#(<= ULTIMATE.start_main_~i~4 32), 78851#(<= ULTIMATE.start_main_~i~4 38), 78850#(<= ULTIMATE.start_main_~i~4 36), 78853#(<= ULTIMATE.start_main_~i~4 42), 78852#(<= ULTIMATE.start_main_~i~4 40), 78855#(<= ULTIMATE.start_main_~i~4 46), 78854#(<= ULTIMATE.start_main_~i~4 44), 78857#(<= ULTIMATE.start_main_~i~4 50), 78856#(<= ULTIMATE.start_main_~i~4 48), 78859#(<= ULTIMATE.start_main_~i~4 54), 78858#(<= ULTIMATE.start_main_~i~4 52), 78861#(<= ULTIMATE.start_main_~i~4 58), 78860#(<= ULTIMATE.start_main_~i~4 56), 78863#(<= ULTIMATE.start_main_~i~4 62), 78862#(<= ULTIMATE.start_main_~i~4 60), 78865#(<= ULTIMATE.start_main_~i~4 66), 78864#(<= ULTIMATE.start_main_~i~4 64), 78867#(<= ULTIMATE.start_main_~i~4 70), 78866#(<= ULTIMATE.start_main_~i~4 68), 78869#(<= ULTIMATE.start_main_~i~4 74), 78868#(<= ULTIMATE.start_main_~i~4 72), 78871#(<= ULTIMATE.start_main_~i~4 78), 78870#(<= ULTIMATE.start_main_~i~4 76), 78873#(<= ULTIMATE.start_main_~i~4 82), 78872#(<= ULTIMATE.start_main_~i~4 80), 78875#(<= ULTIMATE.start_main_~i~4 86), 78874#(<= ULTIMATE.start_main_~i~4 84), 78877#(<= ULTIMATE.start_main_~i~4 90), 78876#(<= ULTIMATE.start_main_~i~4 88), 78879#(<= ULTIMATE.start_main_~i~4 94), 78878#(<= ULTIMATE.start_main_~i~4 92), 78881#(<= ULTIMATE.start_main_~i~4 98), 78880#(<= ULTIMATE.start_main_~i~4 96), 78883#(<= ULTIMATE.start_main_~i~4 102), 78882#(<= ULTIMATE.start_main_~i~4 100), 78885#(<= ULTIMATE.start_main_~i~4 106), 78884#(<= ULTIMATE.start_main_~i~4 104), 78887#(<= ULTIMATE.start_main_~i~4 110), 78886#(<= ULTIMATE.start_main_~i~4 108), 78889#(<= ULTIMATE.start_main_~i~4 114), 78888#(<= ULTIMATE.start_main_~i~4 112), 78891#(<= ULTIMATE.start_main_~i~4 118), 78890#(<= ULTIMATE.start_main_~i~4 116), 78893#(<= ULTIMATE.start_main_~i~4 122), 78892#(<= ULTIMATE.start_main_~i~4 120), 78895#(<= ULTIMATE.start_main_~i~4 126), 78894#(<= ULTIMATE.start_main_~i~4 124), 78897#(<= ULTIMATE.start_main_~i~4 130), 78896#(<= ULTIMATE.start_main_~i~4 128), 78899#(<= ULTIMATE.start_main_~i~4 134), 78898#(<= ULTIMATE.start_main_~i~4 132), 78901#(<= ULTIMATE.start_main_~i~4 138), 78900#(<= ULTIMATE.start_main_~i~4 136), 78903#(<= ULTIMATE.start_main_~i~4 142), 78902#(<= ULTIMATE.start_main_~i~4 140), 78905#(<= ULTIMATE.start_main_~i~4 146), 78904#(<= ULTIMATE.start_main_~i~4 144), 78907#(<= ULTIMATE.start_main_~i~4 150), 78906#(<= ULTIMATE.start_main_~i~4 148), 78909#(<= ULTIMATE.start_main_~i~4 154), 78908#(<= ULTIMATE.start_main_~i~4 152), 78911#(<= ULTIMATE.start_main_~i~4 158), 78910#(<= ULTIMATE.start_main_~i~4 156), 78913#(<= ULTIMATE.start_main_~i~4 162), 78912#(<= ULTIMATE.start_main_~i~4 160), 78915#(<= ULTIMATE.start_main_~i~4 166), 78914#(<= ULTIMATE.start_main_~i~4 164), 78917#(<= ULTIMATE.start_main_~i~4 170), 78916#(<= ULTIMATE.start_main_~i~4 168), 78919#(<= ULTIMATE.start_main_~i~4 174), 78918#(<= ULTIMATE.start_main_~i~4 172), 78921#(<= ULTIMATE.start_main_~i~4 178), 78920#(<= ULTIMATE.start_main_~i~4 176), 78923#(<= ULTIMATE.start_main_~i~4 182), 78922#(<= ULTIMATE.start_main_~i~4 180), 78925#(<= ULTIMATE.start_main_~i~4 186), 78924#(<= ULTIMATE.start_main_~i~4 184), 78927#(<= ULTIMATE.start_main_~i~4 190), 78926#(<= ULTIMATE.start_main_~i~4 188), 78929#(<= ULTIMATE.start_main_~i~4 194), 78928#(<= ULTIMATE.start_main_~i~4 192), 78931#(<= ULTIMATE.start_main_~i~4 198), 78930#(<= ULTIMATE.start_main_~i~4 196), 78933#(<= ULTIMATE.start_main_~i~4 202), 78932#(<= ULTIMATE.start_main_~i~4 200), 78935#(<= ULTIMATE.start_main_~i~4 206), 78934#(<= ULTIMATE.start_main_~i~4 204), 78937#(<= ULTIMATE.start_main_~i~4 210), 78936#(<= ULTIMATE.start_main_~i~4 208), 78939#(<= ULTIMATE.start_main_~i~4 214), 78938#(<= ULTIMATE.start_main_~i~4 212), 78941#(<= ULTIMATE.start_main_~i~4 218), 78940#(<= ULTIMATE.start_main_~i~4 216), 78943#(<= ULTIMATE.start_main_~i~4 222), 78942#(<= ULTIMATE.start_main_~i~4 220), 78945#(<= ULTIMATE.start_main_~i~4 226), 78944#(<= ULTIMATE.start_main_~i~4 224), 78947#(<= ULTIMATE.start_main_~i~4 230), 78946#(<= ULTIMATE.start_main_~i~4 228), 78949#(<= ULTIMATE.start_main_~i~4 234), 78948#(<= ULTIMATE.start_main_~i~4 232), 78951#(<= ULTIMATE.start_main_~i~4 238), 78950#(<= ULTIMATE.start_main_~i~4 236), 78953#(<= ULTIMATE.start_main_~i~4 242), 78952#(<= ULTIMATE.start_main_~i~4 240), 78955#(<= ULTIMATE.start_main_~i~4 246), 78954#(<= ULTIMATE.start_main_~i~4 244), 78957#(<= ULTIMATE.start_main_~i~4 250), 78956#(<= ULTIMATE.start_main_~i~4 248), 78959#(<= ULTIMATE.start_main_~i~4 254), 78958#(<= ULTIMATE.start_main_~i~4 252), 78961#(<= ULTIMATE.start_main_~i~4 258), 78960#(<= ULTIMATE.start_main_~i~4 256), 78831#false, 78830#true, 78833#(<= ULTIMATE.start_main_~i~4 2), 78832#(<= ULTIMATE.start_main_~i~4 0), 78835#(<= ULTIMATE.start_main_~i~4 6), 78834#(<= ULTIMATE.start_main_~i~4 4), 78837#(<= ULTIMATE.start_main_~i~4 10), 78836#(<= ULTIMATE.start_main_~i~4 8), 78839#(<= ULTIMATE.start_main_~i~4 14), 78838#(<= ULTIMATE.start_main_~i~4 12), 78841#(<= ULTIMATE.start_main_~i~4 18), 78840#(<= ULTIMATE.start_main_~i~4 16), 78843#(<= ULTIMATE.start_main_~i~4 22), 78842#(<= ULTIMATE.start_main_~i~4 20), 78845#(<= ULTIMATE.start_main_~i~4 26), 78844#(<= ULTIMATE.start_main_~i~4 24), 78847#(<= ULTIMATE.start_main_~i~4 30), 78846#(<= ULTIMATE.start_main_~i~4 28)] [2018-07-23 13:45:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,988 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:45:35,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:45:35,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:45:35,990 INFO L87 Difference]: Start difference. First operand 263 states and 263 transitions. Second operand 132 states. [2018-07-23 13:45:36,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:36,300 INFO L93 Difference]: Finished difference Result 267 states and 267 transitions. [2018-07-23 13:45:36,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:45:36,300 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 262 [2018-07-23 13:45:36,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:36,300 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:45:36,300 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:45:36,302 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:45:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:45:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:45:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:45:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 265 transitions. [2018-07-23 13:45:36,306 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 265 transitions. Word has length 262 [2018-07-23 13:45:36,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:36,307 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 265 transitions. [2018-07-23 13:45:36,307 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:45:36,307 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 265 transitions. [2018-07-23 13:45:36,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:45:36,308 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:36,308 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1] [2018-07-23 13:45:36,308 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:36,308 INFO L82 PathProgramCache]: Analyzing trace with hash 151880123, now seen corresponding path program 130 times [2018-07-23 13:45:36,308 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,747 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:36,747 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:45:36,747 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,748 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= ULTIMATE.start_main_~i~4 202), 80128#(<= ULTIMATE.start_main_~i~4 200), 80131#(<= ULTIMATE.start_main_~i~4 206), 80130#(<= ULTIMATE.start_main_~i~4 204), 80133#(<= ULTIMATE.start_main_~i~4 210), 80132#(<= ULTIMATE.start_main_~i~4 208), 80135#(<= ULTIMATE.start_main_~i~4 214), 80134#(<= ULTIMATE.start_main_~i~4 212), 80137#(<= ULTIMATE.start_main_~i~4 218), 80136#(<= ULTIMATE.start_main_~i~4 216), 80139#(<= ULTIMATE.start_main_~i~4 222), 80138#(<= ULTIMATE.start_main_~i~4 220), 80141#(<= ULTIMATE.start_main_~i~4 226), 80140#(<= ULTIMATE.start_main_~i~4 224), 80143#(<= ULTIMATE.start_main_~i~4 230), 80142#(<= ULTIMATE.start_main_~i~4 228), 80145#(<= ULTIMATE.start_main_~i~4 234), 80144#(<= ULTIMATE.start_main_~i~4 232), 80147#(<= ULTIMATE.start_main_~i~4 238), 80146#(<= ULTIMATE.start_main_~i~4 236), 80149#(<= ULTIMATE.start_main_~i~4 242), 80148#(<= ULTIMATE.start_main_~i~4 240), 80151#(<= ULTIMATE.start_main_~i~4 246), 80150#(<= ULTIMATE.start_main_~i~4 244), 80153#(<= ULTIMATE.start_main_~i~4 250), 80152#(<= ULTIMATE.start_main_~i~4 248), 80155#(<= ULTIMATE.start_main_~i~4 254), 80154#(<= ULTIMATE.start_main_~i~4 252), 80157#(<= ULTIMATE.start_main_~i~4 258), 80156#(<= ULTIMATE.start_main_~i~4 256), 80158#(<= ULTIMATE.start_main_~i~4 260), 80027#false, 80026#true, 80029#(<= ULTIMATE.start_main_~i~4 2), 80028#(<= ULTIMATE.start_main_~i~4 0), 80031#(<= ULTIMATE.start_main_~i~4 6), 80030#(<= ULTIMATE.start_main_~i~4 4), 80033#(<= ULTIMATE.start_main_~i~4 10), 80032#(<= ULTIMATE.start_main_~i~4 8), 80035#(<= ULTIMATE.start_main_~i~4 14), 80034#(<= ULTIMATE.start_main_~i~4 12), 80037#(<= ULTIMATE.start_main_~i~4 18), 80036#(<= ULTIMATE.start_main_~i~4 16), 80039#(<= ULTIMATE.start_main_~i~4 22), 80038#(<= ULTIMATE.start_main_~i~4 20), 80041#(<= ULTIMATE.start_main_~i~4 26), 80040#(<= ULTIMATE.start_main_~i~4 24), 80043#(<= ULTIMATE.start_main_~i~4 30), 80042#(<= ULTIMATE.start_main_~i~4 28), 80045#(<= ULTIMATE.start_main_~i~4 34), 80044#(<= ULTIMATE.start_main_~i~4 32), 80047#(<= ULTIMATE.start_main_~i~4 38), 80046#(<= ULTIMATE.start_main_~i~4 36), 80049#(<= ULTIMATE.start_main_~i~4 42), 80048#(<= ULTIMATE.start_main_~i~4 40), 80051#(<= ULTIMATE.start_main_~i~4 46), 80050#(<= ULTIMATE.start_main_~i~4 44), 80053#(<= ULTIMATE.start_main_~i~4 50), 80052#(<= ULTIMATE.start_main_~i~4 48), 80055#(<= ULTIMATE.start_main_~i~4 54), 80054#(<= ULTIMATE.start_main_~i~4 52), 80057#(<= ULTIMATE.start_main_~i~4 58), 80056#(<= ULTIMATE.start_main_~i~4 56), 80059#(<= ULTIMATE.start_main_~i~4 62), 80058#(<= ULTIMATE.start_main_~i~4 60), 80061#(<= ULTIMATE.start_main_~i~4 66), 80060#(<= ULTIMATE.start_main_~i~4 64), 80063#(<= ULTIMATE.start_main_~i~4 70), 80062#(<= ULTIMATE.start_main_~i~4 68), 80065#(<= ULTIMATE.start_main_~i~4 74), 80064#(<= ULTIMATE.start_main_~i~4 72), 80067#(<= ULTIMATE.start_main_~i~4 78), 80066#(<= ULTIMATE.start_main_~i~4 76), 80069#(<= ULTIMATE.start_main_~i~4 82), 80068#(<= ULTIMATE.start_main_~i~4 80), 80071#(<= ULTIMATE.start_main_~i~4 86), 80070#(<= ULTIMATE.start_main_~i~4 84), 80073#(<= ULTIMATE.start_main_~i~4 90), 80072#(<= ULTIMATE.start_main_~i~4 88), 80075#(<= ULTIMATE.start_main_~i~4 94), 80074#(<= ULTIMATE.start_main_~i~4 92), 80077#(<= ULTIMATE.start_main_~i~4 98), 80076#(<= ULTIMATE.start_main_~i~4 96), 80079#(<= ULTIMATE.start_main_~i~4 102), 80078#(<= ULTIMATE.start_main_~i~4 100), 80081#(<= ULTIMATE.start_main_~i~4 106), 80080#(<= ULTIMATE.start_main_~i~4 104), 80083#(<= ULTIMATE.start_main_~i~4 110), 80082#(<= ULTIMATE.start_main_~i~4 108), 80085#(<= ULTIMATE.start_main_~i~4 114), 80084#(<= ULTIMATE.start_main_~i~4 112), 80087#(<= ULTIMATE.start_main_~i~4 118), 80086#(<= ULTIMATE.start_main_~i~4 116), 80089#(<= ULTIMATE.start_main_~i~4 122), 80088#(<= ULTIMATE.start_main_~i~4 120), 80091#(<= ULTIMATE.start_main_~i~4 126), 80090#(<= ULTIMATE.start_main_~i~4 124), 80093#(<= ULTIMATE.start_main_~i~4 130), 80092#(<= ULTIMATE.start_main_~i~4 128), 80095#(<= ULTIMATE.start_main_~i~4 134), 80094#(<= ULTIMATE.start_main_~i~4 132), 80097#(<= ULTIMATE.start_main_~i~4 138), 80096#(<= ULTIMATE.start_main_~i~4 136), 80099#(<= ULTIMATE.start_main_~i~4 142), 80098#(<= ULTIMATE.start_main_~i~4 140), 80101#(<= ULTIMATE.start_main_~i~4 146), 80100#(<= ULTIMATE.start_main_~i~4 144), 80103#(<= ULTIMATE.start_main_~i~4 150), 80102#(<= ULTIMATE.start_main_~i~4 148), 80105#(<= ULTIMATE.start_main_~i~4 154), 80104#(<= ULTIMATE.start_main_~i~4 152), 80107#(<= ULTIMATE.start_main_~i~4 158), 80106#(<= ULTIMATE.start_main_~i~4 156), 80109#(<= ULTIMATE.start_main_~i~4 162), 80108#(<= ULTIMATE.start_main_~i~4 160), 80111#(<= ULTIMATE.start_main_~i~4 166), 80110#(<= ULTIMATE.start_main_~i~4 164), 80113#(<= ULTIMATE.start_main_~i~4 170), 80112#(<= ULTIMATE.start_main_~i~4 168), 80115#(<= ULTIMATE.start_main_~i~4 174), 80114#(<= ULTIMATE.start_main_~i~4 172), 80117#(<= ULTIMATE.start_main_~i~4 178), 80116#(<= ULTIMATE.start_main_~i~4 176), 80119#(<= ULTIMATE.start_main_~i~4 182), 80118#(<= ULTIMATE.start_main_~i~4 180), 80121#(<= ULTIMATE.start_main_~i~4 186), 80120#(<= ULTIMATE.start_main_~i~4 184), 80123#(<= ULTIMATE.start_main_~i~4 190), 80122#(<= ULTIMATE.start_main_~i~4 188), 80125#(<= ULTIMATE.start_main_~i~4 194), 80124#(<= ULTIMATE.start_main_~i~4 192), 80127#(<= ULTIMATE.start_main_~i~4 198), 80126#(<= ULTIMATE.start_main_~i~4 196)] [2018-07-23 13:45:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,749 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:45:36,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:45:36,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:45:36,750 INFO L87 Difference]: Start difference. First operand 265 states and 265 transitions. Second operand 133 states. [2018-07-23 13:45:36,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:36,919 INFO L93 Difference]: Finished difference Result 269 states and 269 transitions. [2018-07-23 13:45:36,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:45:36,920 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 264 [2018-07-23 13:45:36,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:36,920 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:45:36,920 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:45:36,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:45:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:45:36,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:45:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:45:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 267 transitions. [2018-07-23 13:45:36,924 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 267 transitions. Word has length 264 [2018-07-23 13:45:36,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:36,924 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 267 transitions. [2018-07-23 13:45:36,924 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:45:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 267 transitions. [2018-07-23 13:45:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:45:36,925 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:36,925 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1, 1] [2018-07-23 13:45:36,925 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:36,925 INFO L82 PathProgramCache]: Analyzing trace with hash -72037771, now seen corresponding path program 131 times [2018-07-23 13:45:36,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,338 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:37,338 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:45:37,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,339 INFO L185 omatonBuilderFactory]: Interpolants [81231#true, 81233#(<= ULTIMATE.start_main_~i~4 0), 81232#false, 81235#(<= ULTIMATE.start_main_~i~4 4), 81234#(<= ULTIMATE.start_main_~i~4 2), 81237#(<= ULTIMATE.start_main_~i~4 8), 81236#(<= ULTIMATE.start_main_~i~4 6), 81239#(<= ULTIMATE.start_main_~i~4 12), 81238#(<= ULTIMATE.start_main_~i~4 10), 81241#(<= ULTIMATE.start_main_~i~4 16), 81240#(<= ULTIMATE.start_main_~i~4 14), 81243#(<= ULTIMATE.start_main_~i~4 20), 81242#(<= ULTIMATE.start_main_~i~4 18), 81245#(<= ULTIMATE.start_main_~i~4 24), 81244#(<= ULTIMATE.start_main_~i~4 22), 81247#(<= ULTIMATE.start_main_~i~4 28), 81246#(<= ULTIMATE.start_main_~i~4 26), 81249#(<= ULTIMATE.start_main_~i~4 32), 81248#(<= ULTIMATE.start_main_~i~4 30), 81251#(<= ULTIMATE.start_main_~i~4 36), 81250#(<= ULTIMATE.start_main_~i~4 34), 81253#(<= ULTIMATE.start_main_~i~4 40), 81252#(<= ULTIMATE.start_main_~i~4 38), 81255#(<= ULTIMATE.start_main_~i~4 44), 81254#(<= ULTIMATE.start_main_~i~4 42), 81257#(<= ULTIMATE.start_main_~i~4 48), 81256#(<= ULTIMATE.start_main_~i~4 46), 81259#(<= ULTIMATE.start_main_~i~4 52), 81258#(<= ULTIMATE.start_main_~i~4 50), 81261#(<= ULTIMATE.start_main_~i~4 56), 81260#(<= ULTIMATE.start_main_~i~4 54), 81263#(<= ULTIMATE.start_main_~i~4 60), 81262#(<= ULTIMATE.start_main_~i~4 58), 81265#(<= ULTIMATE.start_main_~i~4 64), 81264#(<= ULTIMATE.start_main_~i~4 62), 81267#(<= ULTIMATE.start_main_~i~4 68), 81266#(<= ULTIMATE.start_main_~i~4 66), 81269#(<= ULTIMATE.start_main_~i~4 72), 81268#(<= ULTIMATE.start_main_~i~4 70), 81271#(<= ULTIMATE.start_main_~i~4 76), 81270#(<= ULTIMATE.start_main_~i~4 74), 81273#(<= ULTIMATE.start_main_~i~4 80), 81272#(<= ULTIMATE.start_main_~i~4 78), 81275#(<= ULTIMATE.start_main_~i~4 84), 81274#(<= ULTIMATE.start_main_~i~4 82), 81277#(<= ULTIMATE.start_main_~i~4 88), 81276#(<= ULTIMATE.start_main_~i~4 86), 81279#(<= ULTIMATE.start_main_~i~4 92), 81278#(<= ULTIMATE.start_main_~i~4 90), 81281#(<= ULTIMATE.start_main_~i~4 96), 81280#(<= ULTIMATE.start_main_~i~4 94), 81283#(<= ULTIMATE.start_main_~i~4 100), 81282#(<= ULTIMATE.start_main_~i~4 98), 81285#(<= ULTIMATE.start_main_~i~4 104), 81284#(<= ULTIMATE.start_main_~i~4 102), 81287#(<= ULTIMATE.start_main_~i~4 108), 81286#(<= ULTIMATE.start_main_~i~4 106), 81289#(<= ULTIMATE.start_main_~i~4 112), 81288#(<= ULTIMATE.start_main_~i~4 110), 81291#(<= ULTIMATE.start_main_~i~4 116), 81290#(<= ULTIMATE.start_main_~i~4 114), 81293#(<= ULTIMATE.start_main_~i~4 120), 81292#(<= ULTIMATE.start_main_~i~4 118), 81295#(<= ULTIMATE.start_main_~i~4 124), 81294#(<= ULTIMATE.start_main_~i~4 122), 81297#(<= ULTIMATE.start_main_~i~4 128), 81296#(<= ULTIMATE.start_main_~i~4 126), 81299#(<= ULTIMATE.start_main_~i~4 132), 81298#(<= ULTIMATE.start_main_~i~4 130), 81301#(<= ULTIMATE.start_main_~i~4 136), 81300#(<= ULTIMATE.start_main_~i~4 134), 81303#(<= ULTIMATE.start_main_~i~4 140), 81302#(<= ULTIMATE.start_main_~i~4 138), 81305#(<= ULTIMATE.start_main_~i~4 144), 81304#(<= ULTIMATE.start_main_~i~4 142), 81307#(<= ULTIMATE.start_main_~i~4 148), 81306#(<= ULTIMATE.start_main_~i~4 146), 81309#(<= ULTIMATE.start_main_~i~4 152), 81308#(<= ULTIMATE.start_main_~i~4 150), 81311#(<= ULTIMATE.start_main_~i~4 156), 81310#(<= ULTIMATE.start_main_~i~4 154), 81313#(<= ULTIMATE.start_main_~i~4 160), 81312#(<= ULTIMATE.start_main_~i~4 158), 81315#(<= ULTIMATE.start_main_~i~4 164), 81314#(<= ULTIMATE.start_main_~i~4 162), 81317#(<= ULTIMATE.start_main_~i~4 168), 81316#(<= ULTIMATE.start_main_~i~4 166), 81319#(<= ULTIMATE.start_main_~i~4 172), 81318#(<= ULTIMATE.start_main_~i~4 170), 81321#(<= ULTIMATE.start_main_~i~4 176), 81320#(<= ULTIMATE.start_main_~i~4 174), 81323#(<= ULTIMATE.start_main_~i~4 180), 81322#(<= ULTIMATE.start_main_~i~4 178), 81325#(<= ULTIMATE.start_main_~i~4 184), 81324#(<= ULTIMATE.start_main_~i~4 182), 81327#(<= ULTIMATE.start_main_~i~4 188), 81326#(<= ULTIMATE.start_main_~i~4 186), 81329#(<= ULTIMATE.start_main_~i~4 192), 81328#(<= ULTIMATE.start_main_~i~4 190), 81331#(<= ULTIMATE.start_main_~i~4 196), 81330#(<= ULTIMATE.start_main_~i~4 194), 81333#(<= ULTIMATE.start_main_~i~4 200), 81332#(<= ULTIMATE.start_main_~i~4 198), 81335#(<= ULTIMATE.start_main_~i~4 204), 81334#(<= ULTIMATE.start_main_~i~4 202), 81337#(<= ULTIMATE.start_main_~i~4 208), 81336#(<= ULTIMATE.start_main_~i~4 206), 81339#(<= ULTIMATE.start_main_~i~4 212), 81338#(<= ULTIMATE.start_main_~i~4 210), 81341#(<= ULTIMATE.start_main_~i~4 216), 81340#(<= ULTIMATE.start_main_~i~4 214), 81343#(<= ULTIMATE.start_main_~i~4 220), 81342#(<= ULTIMATE.start_main_~i~4 218), 81345#(<= ULTIMATE.start_main_~i~4 224), 81344#(<= ULTIMATE.start_main_~i~4 222), 81347#(<= ULTIMATE.start_main_~i~4 228), 81346#(<= ULTIMATE.start_main_~i~4 226), 81349#(<= ULTIMATE.start_main_~i~4 232), 81348#(<= ULTIMATE.start_main_~i~4 230), 81351#(<= ULTIMATE.start_main_~i~4 236), 81350#(<= ULTIMATE.start_main_~i~4 234), 81353#(<= ULTIMATE.start_main_~i~4 240), 81352#(<= ULTIMATE.start_main_~i~4 238), 81355#(<= ULTIMATE.start_main_~i~4 244), 81354#(<= ULTIMATE.start_main_~i~4 242), 81357#(<= ULTIMATE.start_main_~i~4 248), 81356#(<= ULTIMATE.start_main_~i~4 246), 81359#(<= ULTIMATE.start_main_~i~4 252), 81358#(<= ULTIMATE.start_main_~i~4 250), 81361#(<= ULTIMATE.start_main_~i~4 256), 81360#(<= ULTIMATE.start_main_~i~4 254), 81363#(<= ULTIMATE.start_main_~i~4 260), 81362#(<= ULTIMATE.start_main_~i~4 258), 81364#(<= ULTIMATE.start_main_~i~4 262)] [2018-07-23 13:45:37,340 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,340 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:45:37,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:45:37,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:45:37,342 INFO L87 Difference]: Start difference. First operand 267 states and 267 transitions. Second operand 134 states. [2018-07-23 13:45:37,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:37,650 INFO L93 Difference]: Finished difference Result 271 states and 271 transitions. [2018-07-23 13:45:37,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:45:37,650 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 266 [2018-07-23 13:45:37,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:37,651 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:45:37,651 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:45:37,653 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:45:37,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:45:37,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:45:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:45:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 269 transitions. [2018-07-23 13:45:37,657 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 269 transitions. Word has length 266 [2018-07-23 13:45:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:37,657 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 269 transitions. [2018-07-23 13:45:37,657 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:45:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 269 transitions. [2018-07-23 13:45:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:45:37,659 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:37,659 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1, 1] [2018-07-23 13:45:37,659 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:37,659 INFO L82 PathProgramCache]: Analyzing trace with hash -508769105, now seen corresponding path program 132 times [2018-07-23 13:45:37,659 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:38,111 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:38,111 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:45:38,111 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:38,112 INFO L185 omatonBuilderFactory]: Interpolants [82445#true, 82447#(<= ULTIMATE.start_main_~i~4 0), 82446#false, 82449#(<= ULTIMATE.start_main_~i~4 4), 82448#(<= ULTIMATE.start_main_~i~4 2), 82451#(<= ULTIMATE.start_main_~i~4 8), 82450#(<= ULTIMATE.start_main_~i~4 6), 82453#(<= ULTIMATE.start_main_~i~4 12), 82452#(<= ULTIMATE.start_main_~i~4 10), 82455#(<= ULTIMATE.start_main_~i~4 16), 82454#(<= ULTIMATE.start_main_~i~4 14), 82457#(<= ULTIMATE.start_main_~i~4 20), 82456#(<= ULTIMATE.start_main_~i~4 18), 82459#(<= ULTIMATE.start_main_~i~4 24), 82458#(<= ULTIMATE.start_main_~i~4 22), 82461#(<= ULTIMATE.start_main_~i~4 28), 82460#(<= ULTIMATE.start_main_~i~4 26), 82463#(<= ULTIMATE.start_main_~i~4 32), 82462#(<= ULTIMATE.start_main_~i~4 30), 82465#(<= ULTIMATE.start_main_~i~4 36), 82464#(<= ULTIMATE.start_main_~i~4 34), 82467#(<= ULTIMATE.start_main_~i~4 40), 82466#(<= ULTIMATE.start_main_~i~4 38), 82469#(<= ULTIMATE.start_main_~i~4 44), 82468#(<= ULTIMATE.start_main_~i~4 42), 82471#(<= ULTIMATE.start_main_~i~4 48), 82470#(<= ULTIMATE.start_main_~i~4 46), 82473#(<= ULTIMATE.start_main_~i~4 52), 82472#(<= ULTIMATE.start_main_~i~4 50), 82475#(<= ULTIMATE.start_main_~i~4 56), 82474#(<= ULTIMATE.start_main_~i~4 54), 82477#(<= ULTIMATE.start_main_~i~4 60), 82476#(<= ULTIMATE.start_main_~i~4 58), 82479#(<= ULTIMATE.start_main_~i~4 64), 82478#(<= ULTIMATE.start_main_~i~4 62), 82481#(<= ULTIMATE.start_main_~i~4 68), 82480#(<= ULTIMATE.start_main_~i~4 66), 82483#(<= ULTIMATE.start_main_~i~4 72), 82482#(<= ULTIMATE.start_main_~i~4 70), 82485#(<= ULTIMATE.start_main_~i~4 76), 82484#(<= ULTIMATE.start_main_~i~4 74), 82487#(<= ULTIMATE.start_main_~i~4 80), 82486#(<= ULTIMATE.start_main_~i~4 78), 82489#(<= ULTIMATE.start_main_~i~4 84), 82488#(<= ULTIMATE.start_main_~i~4 82), 82491#(<= ULTIMATE.start_main_~i~4 88), 82490#(<= ULTIMATE.start_main_~i~4 86), 82493#(<= ULTIMATE.start_main_~i~4 92), 82492#(<= ULTIMATE.start_main_~i~4 90), 82495#(<= ULTIMATE.start_main_~i~4 96), 82494#(<= ULTIMATE.start_main_~i~4 94), 82497#(<= ULTIMATE.start_main_~i~4 100), 82496#(<= ULTIMATE.start_main_~i~4 98), 82499#(<= ULTIMATE.start_main_~i~4 104), 82498#(<= ULTIMATE.start_main_~i~4 102), 82501#(<= ULTIMATE.start_main_~i~4 108), 82500#(<= ULTIMATE.start_main_~i~4 106), 82503#(<= ULTIMATE.start_main_~i~4 112), 82502#(<= ULTIMATE.start_main_~i~4 110), 82505#(<= ULTIMATE.start_main_~i~4 116), 82504#(<= ULTIMATE.start_main_~i~4 114), 82507#(<= ULTIMATE.start_main_~i~4 120), 82506#(<= ULTIMATE.start_main_~i~4 118), 82509#(<= ULTIMATE.start_main_~i~4 124), 82508#(<= ULTIMATE.start_main_~i~4 122), 82511#(<= ULTIMATE.start_main_~i~4 128), 82510#(<= ULTIMATE.start_main_~i~4 126), 82513#(<= ULTIMATE.start_main_~i~4 132), 82512#(<= ULTIMATE.start_main_~i~4 130), 82515#(<= ULTIMATE.start_main_~i~4 136), 82514#(<= ULTIMATE.start_main_~i~4 134), 82517#(<= ULTIMATE.start_main_~i~4 140), 82516#(<= ULTIMATE.start_main_~i~4 138), 82519#(<= ULTIMATE.start_main_~i~4 144), 82518#(<= ULTIMATE.start_main_~i~4 142), 82521#(<= ULTIMATE.start_main_~i~4 148), 82520#(<= ULTIMATE.start_main_~i~4 146), 82523#(<= ULTIMATE.start_main_~i~4 152), 82522#(<= ULTIMATE.start_main_~i~4 150), 82525#(<= ULTIMATE.start_main_~i~4 156), 82524#(<= ULTIMATE.start_main_~i~4 154), 82527#(<= ULTIMATE.start_main_~i~4 160), 82526#(<= ULTIMATE.start_main_~i~4 158), 82529#(<= ULTIMATE.start_main_~i~4 164), 82528#(<= ULTIMATE.start_main_~i~4 162), 82531#(<= ULTIMATE.start_main_~i~4 168), 82530#(<= ULTIMATE.start_main_~i~4 166), 82533#(<= ULTIMATE.start_main_~i~4 172), 82532#(<= ULTIMATE.start_main_~i~4 170), 82535#(<= ULTIMATE.start_main_~i~4 176), 82534#(<= ULTIMATE.start_main_~i~4 174), 82537#(<= ULTIMATE.start_main_~i~4 180), 82536#(<= ULTIMATE.start_main_~i~4 178), 82539#(<= ULTIMATE.start_main_~i~4 184), 82538#(<= ULTIMATE.start_main_~i~4 182), 82541#(<= ULTIMATE.start_main_~i~4 188), 82540#(<= ULTIMATE.start_main_~i~4 186), 82543#(<= ULTIMATE.start_main_~i~4 192), 82542#(<= ULTIMATE.start_main_~i~4 190), 82545#(<= ULTIMATE.start_main_~i~4 196), 82544#(<= ULTIMATE.start_main_~i~4 194), 82547#(<= ULTIMATE.start_main_~i~4 200), 82546#(<= ULTIMATE.start_main_~i~4 198), 82549#(<= ULTIMATE.start_main_~i~4 204), 82548#(<= ULTIMATE.start_main_~i~4 202), 82551#(<= ULTIMATE.start_main_~i~4 208), 82550#(<= ULTIMATE.start_main_~i~4 206), 82553#(<= ULTIMATE.start_main_~i~4 212), 82552#(<= ULTIMATE.start_main_~i~4 210), 82555#(<= ULTIMATE.start_main_~i~4 216), 82554#(<= ULTIMATE.start_main_~i~4 214), 82557#(<= ULTIMATE.start_main_~i~4 220), 82556#(<= ULTIMATE.start_main_~i~4 218), 82559#(<= ULTIMATE.start_main_~i~4 224), 82558#(<= ULTIMATE.start_main_~i~4 222), 82561#(<= ULTIMATE.start_main_~i~4 228), 82560#(<= ULTIMATE.start_main_~i~4 226), 82563#(<= ULTIMATE.start_main_~i~4 232), 82562#(<= ULTIMATE.start_main_~i~4 230), 82565#(<= ULTIMATE.start_main_~i~4 236), 82564#(<= ULTIMATE.start_main_~i~4 234), 82567#(<= ULTIMATE.start_main_~i~4 240), 82566#(<= ULTIMATE.start_main_~i~4 238), 82569#(<= ULTIMATE.start_main_~i~4 244), 82568#(<= ULTIMATE.start_main_~i~4 242), 82571#(<= ULTIMATE.start_main_~i~4 248), 82570#(<= ULTIMATE.start_main_~i~4 246), 82573#(<= ULTIMATE.start_main_~i~4 252), 82572#(<= ULTIMATE.start_main_~i~4 250), 82575#(<= ULTIMATE.start_main_~i~4 256), 82574#(<= ULTIMATE.start_main_~i~4 254), 82577#(<= ULTIMATE.start_main_~i~4 260), 82576#(<= ULTIMATE.start_main_~i~4 258), 82579#(<= ULTIMATE.start_main_~i~4 264), 82578#(<= ULTIMATE.start_main_~i~4 262)] [2018-07-23 13:45:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:38,113 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:45:38,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:45:38,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:45:38,114 INFO L87 Difference]: Start difference. First operand 269 states and 269 transitions. Second operand 135 states. [2018-07-23 13:45:38,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:38,526 INFO L93 Difference]: Finished difference Result 273 states and 273 transitions. [2018-07-23 13:45:38,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:45:38,526 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 268 [2018-07-23 13:45:38,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:38,527 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:45:38,527 INFO L226 Difference]: Without dead ends: 271 [2018-07-23 13:45:38,528 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:45:38,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-07-23 13:45:38,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-07-23 13:45:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-07-23 13:45:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 271 transitions. [2018-07-23 13:45:38,533 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 271 transitions. Word has length 268 [2018-07-23 13:45:38,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:38,533 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 271 transitions. [2018-07-23 13:45:38,533 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:45:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 271 transitions. [2018-07-23 13:45:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 13:45:38,535 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:38,535 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1, 1] [2018-07-23 13:45:38,535 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:38,535 INFO L82 PathProgramCache]: Analyzing trace with hash 699213929, now seen corresponding path program 133 times [2018-07-23 13:45:38,535 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,053 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:39,053 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:45:39,053 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,054 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= ULTIMATE.start_main_~i~4 86), 83712#(<= ULTIMATE.start_main_~i~4 84), 83715#(<= ULTIMATE.start_main_~i~4 90), 83714#(<= ULTIMATE.start_main_~i~4 88), 83717#(<= ULTIMATE.start_main_~i~4 94), 83716#(<= ULTIMATE.start_main_~i~4 92), 83719#(<= ULTIMATE.start_main_~i~4 98), 83718#(<= ULTIMATE.start_main_~i~4 96), 83721#(<= ULTIMATE.start_main_~i~4 102), 83720#(<= ULTIMATE.start_main_~i~4 100), 83723#(<= ULTIMATE.start_main_~i~4 106), 83722#(<= ULTIMATE.start_main_~i~4 104), 83725#(<= ULTIMATE.start_main_~i~4 110), 83724#(<= ULTIMATE.start_main_~i~4 108), 83727#(<= ULTIMATE.start_main_~i~4 114), 83726#(<= ULTIMATE.start_main_~i~4 112), 83729#(<= ULTIMATE.start_main_~i~4 118), 83728#(<= ULTIMATE.start_main_~i~4 116), 83731#(<= ULTIMATE.start_main_~i~4 122), 83730#(<= ULTIMATE.start_main_~i~4 120), 83733#(<= ULTIMATE.start_main_~i~4 126), 83732#(<= ULTIMATE.start_main_~i~4 124), 83735#(<= ULTIMATE.start_main_~i~4 130), 83734#(<= ULTIMATE.start_main_~i~4 128), 83737#(<= ULTIMATE.start_main_~i~4 134), 83736#(<= ULTIMATE.start_main_~i~4 132), 83739#(<= ULTIMATE.start_main_~i~4 138), 83738#(<= ULTIMATE.start_main_~i~4 136), 83741#(<= ULTIMATE.start_main_~i~4 142), 83740#(<= ULTIMATE.start_main_~i~4 140), 83743#(<= ULTIMATE.start_main_~i~4 146), 83742#(<= ULTIMATE.start_main_~i~4 144), 83745#(<= ULTIMATE.start_main_~i~4 150), 83744#(<= ULTIMATE.start_main_~i~4 148), 83747#(<= ULTIMATE.start_main_~i~4 154), 83746#(<= ULTIMATE.start_main_~i~4 152), 83749#(<= ULTIMATE.start_main_~i~4 158), 83748#(<= ULTIMATE.start_main_~i~4 156), 83751#(<= ULTIMATE.start_main_~i~4 162), 83750#(<= ULTIMATE.start_main_~i~4 160), 83753#(<= ULTIMATE.start_main_~i~4 166), 83752#(<= ULTIMATE.start_main_~i~4 164), 83755#(<= ULTIMATE.start_main_~i~4 170), 83754#(<= ULTIMATE.start_main_~i~4 168), 83757#(<= ULTIMATE.start_main_~i~4 174), 83756#(<= ULTIMATE.start_main_~i~4 172), 83759#(<= ULTIMATE.start_main_~i~4 178), 83758#(<= ULTIMATE.start_main_~i~4 176), 83761#(<= ULTIMATE.start_main_~i~4 182), 83760#(<= ULTIMATE.start_main_~i~4 180), 83763#(<= ULTIMATE.start_main_~i~4 186), 83762#(<= ULTIMATE.start_main_~i~4 184), 83765#(<= ULTIMATE.start_main_~i~4 190), 83764#(<= ULTIMATE.start_main_~i~4 188), 83767#(<= ULTIMATE.start_main_~i~4 194), 83766#(<= ULTIMATE.start_main_~i~4 192), 83769#(<= ULTIMATE.start_main_~i~4 198), 83768#(<= ULTIMATE.start_main_~i~4 196), 83771#(<= ULTIMATE.start_main_~i~4 202), 83770#(<= ULTIMATE.start_main_~i~4 200), 83773#(<= ULTIMATE.start_main_~i~4 206), 83772#(<= ULTIMATE.start_main_~i~4 204), 83775#(<= ULTIMATE.start_main_~i~4 210), 83774#(<= ULTIMATE.start_main_~i~4 208), 83777#(<= ULTIMATE.start_main_~i~4 214), 83776#(<= ULTIMATE.start_main_~i~4 212), 83779#(<= ULTIMATE.start_main_~i~4 218), 83778#(<= ULTIMATE.start_main_~i~4 216), 83781#(<= ULTIMATE.start_main_~i~4 222), 83780#(<= ULTIMATE.start_main_~i~4 220), 83783#(<= ULTIMATE.start_main_~i~4 226), 83782#(<= ULTIMATE.start_main_~i~4 224), 83785#(<= ULTIMATE.start_main_~i~4 230), 83784#(<= ULTIMATE.start_main_~i~4 228), 83787#(<= ULTIMATE.start_main_~i~4 234), 83786#(<= ULTIMATE.start_main_~i~4 232), 83789#(<= ULTIMATE.start_main_~i~4 238), 83788#(<= ULTIMATE.start_main_~i~4 236), 83791#(<= ULTIMATE.start_main_~i~4 242), 83790#(<= ULTIMATE.start_main_~i~4 240), 83793#(<= ULTIMATE.start_main_~i~4 246), 83792#(<= ULTIMATE.start_main_~i~4 244), 83795#(<= ULTIMATE.start_main_~i~4 250), 83794#(<= ULTIMATE.start_main_~i~4 248), 83797#(<= ULTIMATE.start_main_~i~4 254), 83796#(<= ULTIMATE.start_main_~i~4 252), 83799#(<= ULTIMATE.start_main_~i~4 258), 83798#(<= ULTIMATE.start_main_~i~4 256), 83801#(<= ULTIMATE.start_main_~i~4 262), 83800#(<= ULTIMATE.start_main_~i~4 260), 83803#(<= ULTIMATE.start_main_~i~4 266), 83802#(<= ULTIMATE.start_main_~i~4 264), 83669#false, 83668#true, 83671#(<= ULTIMATE.start_main_~i~4 2), 83670#(<= ULTIMATE.start_main_~i~4 0), 83673#(<= ULTIMATE.start_main_~i~4 6), 83672#(<= ULTIMATE.start_main_~i~4 4), 83675#(<= ULTIMATE.start_main_~i~4 10), 83674#(<= ULTIMATE.start_main_~i~4 8), 83677#(<= ULTIMATE.start_main_~i~4 14), 83676#(<= ULTIMATE.start_main_~i~4 12), 83679#(<= ULTIMATE.start_main_~i~4 18), 83678#(<= ULTIMATE.start_main_~i~4 16), 83681#(<= ULTIMATE.start_main_~i~4 22), 83680#(<= ULTIMATE.start_main_~i~4 20), 83683#(<= ULTIMATE.start_main_~i~4 26), 83682#(<= ULTIMATE.start_main_~i~4 24), 83685#(<= ULTIMATE.start_main_~i~4 30), 83684#(<= ULTIMATE.start_main_~i~4 28), 83687#(<= ULTIMATE.start_main_~i~4 34), 83686#(<= ULTIMATE.start_main_~i~4 32), 83689#(<= ULTIMATE.start_main_~i~4 38), 83688#(<= ULTIMATE.start_main_~i~4 36), 83691#(<= ULTIMATE.start_main_~i~4 42), 83690#(<= ULTIMATE.start_main_~i~4 40), 83693#(<= ULTIMATE.start_main_~i~4 46), 83692#(<= ULTIMATE.start_main_~i~4 44), 83695#(<= ULTIMATE.start_main_~i~4 50), 83694#(<= ULTIMATE.start_main_~i~4 48), 83697#(<= ULTIMATE.start_main_~i~4 54), 83696#(<= ULTIMATE.start_main_~i~4 52), 83699#(<= ULTIMATE.start_main_~i~4 58), 83698#(<= ULTIMATE.start_main_~i~4 56), 83701#(<= ULTIMATE.start_main_~i~4 62), 83700#(<= ULTIMATE.start_main_~i~4 60), 83703#(<= ULTIMATE.start_main_~i~4 66), 83702#(<= ULTIMATE.start_main_~i~4 64), 83705#(<= ULTIMATE.start_main_~i~4 70), 83704#(<= ULTIMATE.start_main_~i~4 68), 83707#(<= ULTIMATE.start_main_~i~4 74), 83706#(<= ULTIMATE.start_main_~i~4 72), 83709#(<= ULTIMATE.start_main_~i~4 78), 83708#(<= ULTIMATE.start_main_~i~4 76), 83711#(<= ULTIMATE.start_main_~i~4 82), 83710#(<= ULTIMATE.start_main_~i~4 80)] [2018-07-23 13:45:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,055 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:45:39,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:45:39,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:45:39,056 INFO L87 Difference]: Start difference. First operand 271 states and 271 transitions. Second operand 136 states. [2018-07-23 13:45:39,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:39,318 INFO L93 Difference]: Finished difference Result 275 states and 275 transitions. [2018-07-23 13:45:39,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:45:39,319 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 270 [2018-07-23 13:45:39,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:39,319 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:45:39,319 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:45:39,320 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:45:39,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:45:39,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:45:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:45:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 273 transitions. [2018-07-23 13:45:39,324 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 273 transitions. Word has length 270 [2018-07-23 13:45:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:39,325 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 273 transitions. [2018-07-23 13:45:39,325 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:45:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 273 transitions. [2018-07-23 13:45:39,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:45:39,326 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:39,326 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1, 1] [2018-07-23 13:45:39,326 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:39,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1929739683, now seen corresponding path program 134 times [2018-07-23 13:45:39,327 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,774 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:39,774 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:45:39,774 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,775 INFO L185 omatonBuilderFactory]: Interpolants [84993#(<= ULTIMATE.start_main_~i~4 182), 84992#(<= ULTIMATE.start_main_~i~4 180), 84995#(<= ULTIMATE.start_main_~i~4 186), 84994#(<= ULTIMATE.start_main_~i~4 184), 84997#(<= ULTIMATE.start_main_~i~4 190), 84996#(<= ULTIMATE.start_main_~i~4 188), 84999#(<= ULTIMATE.start_main_~i~4 194), 84998#(<= ULTIMATE.start_main_~i~4 192), 85001#(<= ULTIMATE.start_main_~i~4 198), 85000#(<= ULTIMATE.start_main_~i~4 196), 85003#(<= ULTIMATE.start_main_~i~4 202), 85002#(<= ULTIMATE.start_main_~i~4 200), 85005#(<= ULTIMATE.start_main_~i~4 206), 85004#(<= ULTIMATE.start_main_~i~4 204), 85007#(<= ULTIMATE.start_main_~i~4 210), 85006#(<= ULTIMATE.start_main_~i~4 208), 85009#(<= ULTIMATE.start_main_~i~4 214), 85008#(<= ULTIMATE.start_main_~i~4 212), 85011#(<= ULTIMATE.start_main_~i~4 218), 85010#(<= ULTIMATE.start_main_~i~4 216), 85013#(<= ULTIMATE.start_main_~i~4 222), 85012#(<= ULTIMATE.start_main_~i~4 220), 85015#(<= ULTIMATE.start_main_~i~4 226), 85014#(<= ULTIMATE.start_main_~i~4 224), 85017#(<= ULTIMATE.start_main_~i~4 230), 85016#(<= ULTIMATE.start_main_~i~4 228), 85019#(<= ULTIMATE.start_main_~i~4 234), 85018#(<= ULTIMATE.start_main_~i~4 232), 85021#(<= ULTIMATE.start_main_~i~4 238), 85020#(<= ULTIMATE.start_main_~i~4 236), 85023#(<= ULTIMATE.start_main_~i~4 242), 85022#(<= ULTIMATE.start_main_~i~4 240), 85025#(<= ULTIMATE.start_main_~i~4 246), 85024#(<= ULTIMATE.start_main_~i~4 244), 85027#(<= ULTIMATE.start_main_~i~4 250), 85026#(<= ULTIMATE.start_main_~i~4 248), 85029#(<= ULTIMATE.start_main_~i~4 254), 85028#(<= ULTIMATE.start_main_~i~4 252), 85031#(<= ULTIMATE.start_main_~i~4 258), 85030#(<= ULTIMATE.start_main_~i~4 256), 85033#(<= ULTIMATE.start_main_~i~4 262), 85032#(<= ULTIMATE.start_main_~i~4 260), 85035#(<= ULTIMATE.start_main_~i~4 266), 85034#(<= ULTIMATE.start_main_~i~4 264), 85036#(<= ULTIMATE.start_main_~i~4 268), 84901#false, 84900#true, 84903#(<= ULTIMATE.start_main_~i~4 2), 84902#(<= ULTIMATE.start_main_~i~4 0), 84905#(<= ULTIMATE.start_main_~i~4 6), 84904#(<= ULTIMATE.start_main_~i~4 4), 84907#(<= ULTIMATE.start_main_~i~4 10), 84906#(<= ULTIMATE.start_main_~i~4 8), 84909#(<= ULTIMATE.start_main_~i~4 14), 84908#(<= ULTIMATE.start_main_~i~4 12), 84911#(<= ULTIMATE.start_main_~i~4 18), 84910#(<= ULTIMATE.start_main_~i~4 16), 84913#(<= ULTIMATE.start_main_~i~4 22), 84912#(<= ULTIMATE.start_main_~i~4 20), 84915#(<= ULTIMATE.start_main_~i~4 26), 84914#(<= ULTIMATE.start_main_~i~4 24), 84917#(<= ULTIMATE.start_main_~i~4 30), 84916#(<= ULTIMATE.start_main_~i~4 28), 84919#(<= ULTIMATE.start_main_~i~4 34), 84918#(<= ULTIMATE.start_main_~i~4 32), 84921#(<= ULTIMATE.start_main_~i~4 38), 84920#(<= ULTIMATE.start_main_~i~4 36), 84923#(<= ULTIMATE.start_main_~i~4 42), 84922#(<= ULTIMATE.start_main_~i~4 40), 84925#(<= ULTIMATE.start_main_~i~4 46), 84924#(<= ULTIMATE.start_main_~i~4 44), 84927#(<= ULTIMATE.start_main_~i~4 50), 84926#(<= ULTIMATE.start_main_~i~4 48), 84929#(<= ULTIMATE.start_main_~i~4 54), 84928#(<= ULTIMATE.start_main_~i~4 52), 84931#(<= ULTIMATE.start_main_~i~4 58), 84930#(<= ULTIMATE.start_main_~i~4 56), 84933#(<= ULTIMATE.start_main_~i~4 62), 84932#(<= ULTIMATE.start_main_~i~4 60), 84935#(<= ULTIMATE.start_main_~i~4 66), 84934#(<= ULTIMATE.start_main_~i~4 64), 84937#(<= ULTIMATE.start_main_~i~4 70), 84936#(<= ULTIMATE.start_main_~i~4 68), 84939#(<= ULTIMATE.start_main_~i~4 74), 84938#(<= ULTIMATE.start_main_~i~4 72), 84941#(<= ULTIMATE.start_main_~i~4 78), 84940#(<= ULTIMATE.start_main_~i~4 76), 84943#(<= ULTIMATE.start_main_~i~4 82), 84942#(<= ULTIMATE.start_main_~i~4 80), 84945#(<= ULTIMATE.start_main_~i~4 86), 84944#(<= ULTIMATE.start_main_~i~4 84), 84947#(<= ULTIMATE.start_main_~i~4 90), 84946#(<= ULTIMATE.start_main_~i~4 88), 84949#(<= ULTIMATE.start_main_~i~4 94), 84948#(<= ULTIMATE.start_main_~i~4 92), 84951#(<= ULTIMATE.start_main_~i~4 98), 84950#(<= ULTIMATE.start_main_~i~4 96), 84953#(<= ULTIMATE.start_main_~i~4 102), 84952#(<= ULTIMATE.start_main_~i~4 100), 84955#(<= ULTIMATE.start_main_~i~4 106), 84954#(<= ULTIMATE.start_main_~i~4 104), 84957#(<= ULTIMATE.start_main_~i~4 110), 84956#(<= ULTIMATE.start_main_~i~4 108), 84959#(<= ULTIMATE.start_main_~i~4 114), 84958#(<= ULTIMATE.start_main_~i~4 112), 84961#(<= ULTIMATE.start_main_~i~4 118), 84960#(<= ULTIMATE.start_main_~i~4 116), 84963#(<= ULTIMATE.start_main_~i~4 122), 84962#(<= ULTIMATE.start_main_~i~4 120), 84965#(<= ULTIMATE.start_main_~i~4 126), 84964#(<= ULTIMATE.start_main_~i~4 124), 84967#(<= ULTIMATE.start_main_~i~4 130), 84966#(<= ULTIMATE.start_main_~i~4 128), 84969#(<= ULTIMATE.start_main_~i~4 134), 84968#(<= ULTIMATE.start_main_~i~4 132), 84971#(<= ULTIMATE.start_main_~i~4 138), 84970#(<= ULTIMATE.start_main_~i~4 136), 84973#(<= ULTIMATE.start_main_~i~4 142), 84972#(<= ULTIMATE.start_main_~i~4 140), 84975#(<= ULTIMATE.start_main_~i~4 146), 84974#(<= ULTIMATE.start_main_~i~4 144), 84977#(<= ULTIMATE.start_main_~i~4 150), 84976#(<= ULTIMATE.start_main_~i~4 148), 84979#(<= ULTIMATE.start_main_~i~4 154), 84978#(<= ULTIMATE.start_main_~i~4 152), 84981#(<= ULTIMATE.start_main_~i~4 158), 84980#(<= ULTIMATE.start_main_~i~4 156), 84983#(<= ULTIMATE.start_main_~i~4 162), 84982#(<= ULTIMATE.start_main_~i~4 160), 84985#(<= ULTIMATE.start_main_~i~4 166), 84984#(<= ULTIMATE.start_main_~i~4 164), 84987#(<= ULTIMATE.start_main_~i~4 170), 84986#(<= ULTIMATE.start_main_~i~4 168), 84989#(<= ULTIMATE.start_main_~i~4 174), 84988#(<= ULTIMATE.start_main_~i~4 172), 84991#(<= ULTIMATE.start_main_~i~4 178), 84990#(<= ULTIMATE.start_main_~i~4 176)] [2018-07-23 13:45:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,776 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:45:39,777 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:45:39,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:45:39,777 INFO L87 Difference]: Start difference. First operand 273 states and 273 transitions. Second operand 137 states. [2018-07-23 13:45:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:39,935 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2018-07-23 13:45:39,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:45:39,935 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 272 [2018-07-23 13:45:39,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:39,936 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:45:39,936 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:45:39,937 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:45:39,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:45:39,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:45:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:45:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 275 transitions. [2018-07-23 13:45:39,941 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 275 transitions. Word has length 272 [2018-07-23 13:45:39,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:39,942 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 275 transitions. [2018-07-23 13:45:39,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:45:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 275 transitions. [2018-07-23 13:45:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:45:39,943 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:39,943 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1, 1] [2018-07-23 13:45:39,943 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:39,944 INFO L82 PathProgramCache]: Analyzing trace with hash -945984419, now seen corresponding path program 135 times [2018-07-23 13:45:39,944 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:40,602 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:40,602 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:45:40,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:40,603 INFO L185 omatonBuilderFactory]: Interpolants [86273#(<= ULTIMATE.start_main_~i~4 260), 86272#(<= ULTIMATE.start_main_~i~4 258), 86275#(<= ULTIMATE.start_main_~i~4 264), 86274#(<= ULTIMATE.start_main_~i~4 262), 86277#(<= ULTIMATE.start_main_~i~4 268), 86276#(<= ULTIMATE.start_main_~i~4 266), 86278#(<= ULTIMATE.start_main_~i~4 270), 86141#true, 86143#(<= ULTIMATE.start_main_~i~4 0), 86142#false, 86145#(<= ULTIMATE.start_main_~i~4 4), 86144#(<= ULTIMATE.start_main_~i~4 2), 86147#(<= ULTIMATE.start_main_~i~4 8), 86146#(<= ULTIMATE.start_main_~i~4 6), 86149#(<= ULTIMATE.start_main_~i~4 12), 86148#(<= ULTIMATE.start_main_~i~4 10), 86151#(<= ULTIMATE.start_main_~i~4 16), 86150#(<= ULTIMATE.start_main_~i~4 14), 86153#(<= ULTIMATE.start_main_~i~4 20), 86152#(<= ULTIMATE.start_main_~i~4 18), 86155#(<= ULTIMATE.start_main_~i~4 24), 86154#(<= ULTIMATE.start_main_~i~4 22), 86157#(<= ULTIMATE.start_main_~i~4 28), 86156#(<= ULTIMATE.start_main_~i~4 26), 86159#(<= ULTIMATE.start_main_~i~4 32), 86158#(<= ULTIMATE.start_main_~i~4 30), 86161#(<= ULTIMATE.start_main_~i~4 36), 86160#(<= ULTIMATE.start_main_~i~4 34), 86163#(<= ULTIMATE.start_main_~i~4 40), 86162#(<= ULTIMATE.start_main_~i~4 38), 86165#(<= ULTIMATE.start_main_~i~4 44), 86164#(<= ULTIMATE.start_main_~i~4 42), 86167#(<= ULTIMATE.start_main_~i~4 48), 86166#(<= ULTIMATE.start_main_~i~4 46), 86169#(<= ULTIMATE.start_main_~i~4 52), 86168#(<= ULTIMATE.start_main_~i~4 50), 86171#(<= ULTIMATE.start_main_~i~4 56), 86170#(<= ULTIMATE.start_main_~i~4 54), 86173#(<= ULTIMATE.start_main_~i~4 60), 86172#(<= ULTIMATE.start_main_~i~4 58), 86175#(<= ULTIMATE.start_main_~i~4 64), 86174#(<= ULTIMATE.start_main_~i~4 62), 86177#(<= ULTIMATE.start_main_~i~4 68), 86176#(<= ULTIMATE.start_main_~i~4 66), 86179#(<= ULTIMATE.start_main_~i~4 72), 86178#(<= ULTIMATE.start_main_~i~4 70), 86181#(<= ULTIMATE.start_main_~i~4 76), 86180#(<= ULTIMATE.start_main_~i~4 74), 86183#(<= ULTIMATE.start_main_~i~4 80), 86182#(<= ULTIMATE.start_main_~i~4 78), 86185#(<= ULTIMATE.start_main_~i~4 84), 86184#(<= ULTIMATE.start_main_~i~4 82), 86187#(<= ULTIMATE.start_main_~i~4 88), 86186#(<= ULTIMATE.start_main_~i~4 86), 86189#(<= ULTIMATE.start_main_~i~4 92), 86188#(<= ULTIMATE.start_main_~i~4 90), 86191#(<= ULTIMATE.start_main_~i~4 96), 86190#(<= ULTIMATE.start_main_~i~4 94), 86193#(<= ULTIMATE.start_main_~i~4 100), 86192#(<= ULTIMATE.start_main_~i~4 98), 86195#(<= ULTIMATE.start_main_~i~4 104), 86194#(<= ULTIMATE.start_main_~i~4 102), 86197#(<= ULTIMATE.start_main_~i~4 108), 86196#(<= ULTIMATE.start_main_~i~4 106), 86199#(<= ULTIMATE.start_main_~i~4 112), 86198#(<= ULTIMATE.start_main_~i~4 110), 86201#(<= ULTIMATE.start_main_~i~4 116), 86200#(<= ULTIMATE.start_main_~i~4 114), 86203#(<= ULTIMATE.start_main_~i~4 120), 86202#(<= ULTIMATE.start_main_~i~4 118), 86205#(<= ULTIMATE.start_main_~i~4 124), 86204#(<= ULTIMATE.start_main_~i~4 122), 86207#(<= ULTIMATE.start_main_~i~4 128), 86206#(<= ULTIMATE.start_main_~i~4 126), 86209#(<= ULTIMATE.start_main_~i~4 132), 86208#(<= ULTIMATE.start_main_~i~4 130), 86211#(<= ULTIMATE.start_main_~i~4 136), 86210#(<= ULTIMATE.start_main_~i~4 134), 86213#(<= ULTIMATE.start_main_~i~4 140), 86212#(<= ULTIMATE.start_main_~i~4 138), 86215#(<= ULTIMATE.start_main_~i~4 144), 86214#(<= ULTIMATE.start_main_~i~4 142), 86217#(<= ULTIMATE.start_main_~i~4 148), 86216#(<= ULTIMATE.start_main_~i~4 146), 86219#(<= ULTIMATE.start_main_~i~4 152), 86218#(<= ULTIMATE.start_main_~i~4 150), 86221#(<= ULTIMATE.start_main_~i~4 156), 86220#(<= ULTIMATE.start_main_~i~4 154), 86223#(<= ULTIMATE.start_main_~i~4 160), 86222#(<= ULTIMATE.start_main_~i~4 158), 86225#(<= ULTIMATE.start_main_~i~4 164), 86224#(<= ULTIMATE.start_main_~i~4 162), 86227#(<= ULTIMATE.start_main_~i~4 168), 86226#(<= ULTIMATE.start_main_~i~4 166), 86229#(<= ULTIMATE.start_main_~i~4 172), 86228#(<= ULTIMATE.start_main_~i~4 170), 86231#(<= ULTIMATE.start_main_~i~4 176), 86230#(<= ULTIMATE.start_main_~i~4 174), 86233#(<= ULTIMATE.start_main_~i~4 180), 86232#(<= ULTIMATE.start_main_~i~4 178), 86235#(<= ULTIMATE.start_main_~i~4 184), 86234#(<= ULTIMATE.start_main_~i~4 182), 86237#(<= ULTIMATE.start_main_~i~4 188), 86236#(<= ULTIMATE.start_main_~i~4 186), 86239#(<= ULTIMATE.start_main_~i~4 192), 86238#(<= ULTIMATE.start_main_~i~4 190), 86241#(<= ULTIMATE.start_main_~i~4 196), 86240#(<= ULTIMATE.start_main_~i~4 194), 86243#(<= ULTIMATE.start_main_~i~4 200), 86242#(<= ULTIMATE.start_main_~i~4 198), 86245#(<= ULTIMATE.start_main_~i~4 204), 86244#(<= ULTIMATE.start_main_~i~4 202), 86247#(<= ULTIMATE.start_main_~i~4 208), 86246#(<= ULTIMATE.start_main_~i~4 206), 86249#(<= ULTIMATE.start_main_~i~4 212), 86248#(<= ULTIMATE.start_main_~i~4 210), 86251#(<= ULTIMATE.start_main_~i~4 216), 86250#(<= ULTIMATE.start_main_~i~4 214), 86253#(<= ULTIMATE.start_main_~i~4 220), 86252#(<= ULTIMATE.start_main_~i~4 218), 86255#(<= ULTIMATE.start_main_~i~4 224), 86254#(<= ULTIMATE.start_main_~i~4 222), 86257#(<= ULTIMATE.start_main_~i~4 228), 86256#(<= ULTIMATE.start_main_~i~4 226), 86259#(<= ULTIMATE.start_main_~i~4 232), 86258#(<= ULTIMATE.start_main_~i~4 230), 86261#(<= ULTIMATE.start_main_~i~4 236), 86260#(<= ULTIMATE.start_main_~i~4 234), 86263#(<= ULTIMATE.start_main_~i~4 240), 86262#(<= ULTIMATE.start_main_~i~4 238), 86265#(<= ULTIMATE.start_main_~i~4 244), 86264#(<= ULTIMATE.start_main_~i~4 242), 86267#(<= ULTIMATE.start_main_~i~4 248), 86266#(<= ULTIMATE.start_main_~i~4 246), 86269#(<= ULTIMATE.start_main_~i~4 252), 86268#(<= ULTIMATE.start_main_~i~4 250), 86271#(<= ULTIMATE.start_main_~i~4 256), 86270#(<= ULTIMATE.start_main_~i~4 254)] [2018-07-23 13:45:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:40,604 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:45:40,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:45:40,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:45:40,607 INFO L87 Difference]: Start difference. First operand 275 states and 275 transitions. Second operand 138 states. [2018-07-23 13:45:41,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:41,131 INFO L93 Difference]: Finished difference Result 279 states and 279 transitions. [2018-07-23 13:45:41,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:45:41,131 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 274 [2018-07-23 13:45:41,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:41,132 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:45:41,132 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:45:41,133 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:45:41,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:45:41,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:45:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:45:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 277 transitions. [2018-07-23 13:45:41,136 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 277 transitions. Word has length 274 [2018-07-23 13:45:41,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:41,136 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 277 transitions. [2018-07-23 13:45:41,137 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:45:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 277 transitions. [2018-07-23 13:45:41,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:45:41,137 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:41,137 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1, 1] [2018-07-23 13:45:41,138 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:41,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1442092183, now seen corresponding path program 136 times [2018-07-23 13:45:41,138 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:41,632 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:45:41,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,633 INFO L185 omatonBuilderFactory]: Interpolants [87391#true, 87393#(<= ULTIMATE.start_main_~i~4 0), 87392#false, 87395#(<= ULTIMATE.start_main_~i~4 4), 87394#(<= ULTIMATE.start_main_~i~4 2), 87397#(<= ULTIMATE.start_main_~i~4 8), 87396#(<= ULTIMATE.start_main_~i~4 6), 87399#(<= ULTIMATE.start_main_~i~4 12), 87398#(<= ULTIMATE.start_main_~i~4 10), 87401#(<= ULTIMATE.start_main_~i~4 16), 87400#(<= ULTIMATE.start_main_~i~4 14), 87403#(<= ULTIMATE.start_main_~i~4 20), 87402#(<= ULTIMATE.start_main_~i~4 18), 87405#(<= ULTIMATE.start_main_~i~4 24), 87404#(<= ULTIMATE.start_main_~i~4 22), 87407#(<= ULTIMATE.start_main_~i~4 28), 87406#(<= ULTIMATE.start_main_~i~4 26), 87409#(<= ULTIMATE.start_main_~i~4 32), 87408#(<= ULTIMATE.start_main_~i~4 30), 87411#(<= ULTIMATE.start_main_~i~4 36), 87410#(<= ULTIMATE.start_main_~i~4 34), 87413#(<= ULTIMATE.start_main_~i~4 40), 87412#(<= ULTIMATE.start_main_~i~4 38), 87415#(<= ULTIMATE.start_main_~i~4 44), 87414#(<= ULTIMATE.start_main_~i~4 42), 87417#(<= ULTIMATE.start_main_~i~4 48), 87416#(<= ULTIMATE.start_main_~i~4 46), 87419#(<= ULTIMATE.start_main_~i~4 52), 87418#(<= ULTIMATE.start_main_~i~4 50), 87421#(<= ULTIMATE.start_main_~i~4 56), 87420#(<= ULTIMATE.start_main_~i~4 54), 87423#(<= ULTIMATE.start_main_~i~4 60), 87422#(<= ULTIMATE.start_main_~i~4 58), 87425#(<= ULTIMATE.start_main_~i~4 64), 87424#(<= ULTIMATE.start_main_~i~4 62), 87427#(<= ULTIMATE.start_main_~i~4 68), 87426#(<= ULTIMATE.start_main_~i~4 66), 87429#(<= ULTIMATE.start_main_~i~4 72), 87428#(<= ULTIMATE.start_main_~i~4 70), 87431#(<= ULTIMATE.start_main_~i~4 76), 87430#(<= ULTIMATE.start_main_~i~4 74), 87433#(<= ULTIMATE.start_main_~i~4 80), 87432#(<= ULTIMATE.start_main_~i~4 78), 87435#(<= ULTIMATE.start_main_~i~4 84), 87434#(<= ULTIMATE.start_main_~i~4 82), 87437#(<= ULTIMATE.start_main_~i~4 88), 87436#(<= ULTIMATE.start_main_~i~4 86), 87439#(<= ULTIMATE.start_main_~i~4 92), 87438#(<= ULTIMATE.start_main_~i~4 90), 87441#(<= ULTIMATE.start_main_~i~4 96), 87440#(<= ULTIMATE.start_main_~i~4 94), 87443#(<= ULTIMATE.start_main_~i~4 100), 87442#(<= ULTIMATE.start_main_~i~4 98), 87445#(<= ULTIMATE.start_main_~i~4 104), 87444#(<= ULTIMATE.start_main_~i~4 102), 87447#(<= ULTIMATE.start_main_~i~4 108), 87446#(<= ULTIMATE.start_main_~i~4 106), 87449#(<= ULTIMATE.start_main_~i~4 112), 87448#(<= ULTIMATE.start_main_~i~4 110), 87451#(<= ULTIMATE.start_main_~i~4 116), 87450#(<= ULTIMATE.start_main_~i~4 114), 87453#(<= ULTIMATE.start_main_~i~4 120), 87452#(<= ULTIMATE.start_main_~i~4 118), 87455#(<= ULTIMATE.start_main_~i~4 124), 87454#(<= ULTIMATE.start_main_~i~4 122), 87457#(<= ULTIMATE.start_main_~i~4 128), 87456#(<= ULTIMATE.start_main_~i~4 126), 87459#(<= ULTIMATE.start_main_~i~4 132), 87458#(<= ULTIMATE.start_main_~i~4 130), 87461#(<= ULTIMATE.start_main_~i~4 136), 87460#(<= ULTIMATE.start_main_~i~4 134), 87463#(<= ULTIMATE.start_main_~i~4 140), 87462#(<= ULTIMATE.start_main_~i~4 138), 87465#(<= ULTIMATE.start_main_~i~4 144), 87464#(<= ULTIMATE.start_main_~i~4 142), 87467#(<= ULTIMATE.start_main_~i~4 148), 87466#(<= ULTIMATE.start_main_~i~4 146), 87469#(<= ULTIMATE.start_main_~i~4 152), 87468#(<= ULTIMATE.start_main_~i~4 150), 87471#(<= ULTIMATE.start_main_~i~4 156), 87470#(<= ULTIMATE.start_main_~i~4 154), 87473#(<= ULTIMATE.start_main_~i~4 160), 87472#(<= ULTIMATE.start_main_~i~4 158), 87475#(<= ULTIMATE.start_main_~i~4 164), 87474#(<= ULTIMATE.start_main_~i~4 162), 87477#(<= ULTIMATE.start_main_~i~4 168), 87476#(<= ULTIMATE.start_main_~i~4 166), 87479#(<= ULTIMATE.start_main_~i~4 172), 87478#(<= ULTIMATE.start_main_~i~4 170), 87481#(<= ULTIMATE.start_main_~i~4 176), 87480#(<= ULTIMATE.start_main_~i~4 174), 87483#(<= ULTIMATE.start_main_~i~4 180), 87482#(<= ULTIMATE.start_main_~i~4 178), 87485#(<= ULTIMATE.start_main_~i~4 184), 87484#(<= ULTIMATE.start_main_~i~4 182), 87487#(<= ULTIMATE.start_main_~i~4 188), 87486#(<= ULTIMATE.start_main_~i~4 186), 87489#(<= ULTIMATE.start_main_~i~4 192), 87488#(<= ULTIMATE.start_main_~i~4 190), 87491#(<= ULTIMATE.start_main_~i~4 196), 87490#(<= ULTIMATE.start_main_~i~4 194), 87493#(<= ULTIMATE.start_main_~i~4 200), 87492#(<= ULTIMATE.start_main_~i~4 198), 87495#(<= ULTIMATE.start_main_~i~4 204), 87494#(<= ULTIMATE.start_main_~i~4 202), 87497#(<= ULTIMATE.start_main_~i~4 208), 87496#(<= ULTIMATE.start_main_~i~4 206), 87499#(<= ULTIMATE.start_main_~i~4 212), 87498#(<= ULTIMATE.start_main_~i~4 210), 87501#(<= ULTIMATE.start_main_~i~4 216), 87500#(<= ULTIMATE.start_main_~i~4 214), 87503#(<= ULTIMATE.start_main_~i~4 220), 87502#(<= ULTIMATE.start_main_~i~4 218), 87505#(<= ULTIMATE.start_main_~i~4 224), 87504#(<= ULTIMATE.start_main_~i~4 222), 87507#(<= ULTIMATE.start_main_~i~4 228), 87506#(<= ULTIMATE.start_main_~i~4 226), 87509#(<= ULTIMATE.start_main_~i~4 232), 87508#(<= ULTIMATE.start_main_~i~4 230), 87511#(<= ULTIMATE.start_main_~i~4 236), 87510#(<= ULTIMATE.start_main_~i~4 234), 87513#(<= ULTIMATE.start_main_~i~4 240), 87512#(<= ULTIMATE.start_main_~i~4 238), 87515#(<= ULTIMATE.start_main_~i~4 244), 87514#(<= ULTIMATE.start_main_~i~4 242), 87517#(<= ULTIMATE.start_main_~i~4 248), 87516#(<= ULTIMATE.start_main_~i~4 246), 87519#(<= ULTIMATE.start_main_~i~4 252), 87518#(<= ULTIMATE.start_main_~i~4 250), 87521#(<= ULTIMATE.start_main_~i~4 256), 87520#(<= ULTIMATE.start_main_~i~4 254), 87523#(<= ULTIMATE.start_main_~i~4 260), 87522#(<= ULTIMATE.start_main_~i~4 258), 87525#(<= ULTIMATE.start_main_~i~4 264), 87524#(<= ULTIMATE.start_main_~i~4 262), 87527#(<= ULTIMATE.start_main_~i~4 268), 87526#(<= ULTIMATE.start_main_~i~4 266), 87529#(<= ULTIMATE.start_main_~i~4 272), 87528#(<= ULTIMATE.start_main_~i~4 270)] [2018-07-23 13:45:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:45:41,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:45:41,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:45:41,637 INFO L87 Difference]: Start difference. First operand 277 states and 277 transitions. Second operand 139 states. [2018-07-23 13:45:42,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:42,030 INFO L93 Difference]: Finished difference Result 281 states and 281 transitions. [2018-07-23 13:45:42,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:45:42,030 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 276 [2018-07-23 13:45:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:42,031 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:45:42,031 INFO L226 Difference]: Without dead ends: 279 [2018-07-23 13:45:42,032 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:45:42,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-07-23 13:45:42,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-07-23 13:45:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-07-23 13:45:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 279 transitions. [2018-07-23 13:45:42,036 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 279 transitions. Word has length 276 [2018-07-23 13:45:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:42,037 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 279 transitions. [2018-07-23 13:45:42,037 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:45:42,037 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 279 transitions. [2018-07-23 13:45:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-07-23 13:45:42,038 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:42,038 INFO L357 BasicCegarLoop]: trace histogram [138, 137, 1, 1, 1] [2018-07-23 13:45:42,038 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:42,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1423796655, now seen corresponding path program 137 times [2018-07-23 13:45:42,039 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,518 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:42,518 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:45:42,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,519 INFO L185 omatonBuilderFactory]: Interpolants [88651#false, 88650#true, 88653#(<= ULTIMATE.start_main_~i~4 2), 88652#(<= ULTIMATE.start_main_~i~4 0), 88655#(<= ULTIMATE.start_main_~i~4 6), 88654#(<= ULTIMATE.start_main_~i~4 4), 88657#(<= ULTIMATE.start_main_~i~4 10), 88656#(<= ULTIMATE.start_main_~i~4 8), 88659#(<= ULTIMATE.start_main_~i~4 14), 88658#(<= ULTIMATE.start_main_~i~4 12), 88661#(<= ULTIMATE.start_main_~i~4 18), 88660#(<= ULTIMATE.start_main_~i~4 16), 88663#(<= ULTIMATE.start_main_~i~4 22), 88662#(<= ULTIMATE.start_main_~i~4 20), 88665#(<= ULTIMATE.start_main_~i~4 26), 88664#(<= ULTIMATE.start_main_~i~4 24), 88667#(<= ULTIMATE.start_main_~i~4 30), 88666#(<= ULTIMATE.start_main_~i~4 28), 88669#(<= ULTIMATE.start_main_~i~4 34), 88668#(<= ULTIMATE.start_main_~i~4 32), 88671#(<= ULTIMATE.start_main_~i~4 38), 88670#(<= ULTIMATE.start_main_~i~4 36), 88673#(<= ULTIMATE.start_main_~i~4 42), 88672#(<= ULTIMATE.start_main_~i~4 40), 88675#(<= ULTIMATE.start_main_~i~4 46), 88674#(<= ULTIMATE.start_main_~i~4 44), 88677#(<= ULTIMATE.start_main_~i~4 50), 88676#(<= ULTIMATE.start_main_~i~4 48), 88679#(<= ULTIMATE.start_main_~i~4 54), 88678#(<= ULTIMATE.start_main_~i~4 52), 88681#(<= ULTIMATE.start_main_~i~4 58), 88680#(<= ULTIMATE.start_main_~i~4 56), 88683#(<= ULTIMATE.start_main_~i~4 62), 88682#(<= ULTIMATE.start_main_~i~4 60), 88685#(<= ULTIMATE.start_main_~i~4 66), 88684#(<= ULTIMATE.start_main_~i~4 64), 88687#(<= ULTIMATE.start_main_~i~4 70), 88686#(<= ULTIMATE.start_main_~i~4 68), 88689#(<= ULTIMATE.start_main_~i~4 74), 88688#(<= ULTIMATE.start_main_~i~4 72), 88691#(<= ULTIMATE.start_main_~i~4 78), 88690#(<= ULTIMATE.start_main_~i~4 76), 88693#(<= ULTIMATE.start_main_~i~4 82), 88692#(<= ULTIMATE.start_main_~i~4 80), 88695#(<= ULTIMATE.start_main_~i~4 86), 88694#(<= ULTIMATE.start_main_~i~4 84), 88697#(<= ULTIMATE.start_main_~i~4 90), 88696#(<= ULTIMATE.start_main_~i~4 88), 88699#(<= ULTIMATE.start_main_~i~4 94), 88698#(<= ULTIMATE.start_main_~i~4 92), 88701#(<= ULTIMATE.start_main_~i~4 98), 88700#(<= ULTIMATE.start_main_~i~4 96), 88703#(<= ULTIMATE.start_main_~i~4 102), 88702#(<= ULTIMATE.start_main_~i~4 100), 88705#(<= ULTIMATE.start_main_~i~4 106), 88704#(<= ULTIMATE.start_main_~i~4 104), 88707#(<= ULTIMATE.start_main_~i~4 110), 88706#(<= ULTIMATE.start_main_~i~4 108), 88709#(<= ULTIMATE.start_main_~i~4 114), 88708#(<= ULTIMATE.start_main_~i~4 112), 88711#(<= ULTIMATE.start_main_~i~4 118), 88710#(<= ULTIMATE.start_main_~i~4 116), 88713#(<= ULTIMATE.start_main_~i~4 122), 88712#(<= ULTIMATE.start_main_~i~4 120), 88715#(<= ULTIMATE.start_main_~i~4 126), 88714#(<= ULTIMATE.start_main_~i~4 124), 88717#(<= ULTIMATE.start_main_~i~4 130), 88716#(<= ULTIMATE.start_main_~i~4 128), 88719#(<= ULTIMATE.start_main_~i~4 134), 88718#(<= ULTIMATE.start_main_~i~4 132), 88721#(<= ULTIMATE.start_main_~i~4 138), 88720#(<= ULTIMATE.start_main_~i~4 136), 88723#(<= ULTIMATE.start_main_~i~4 142), 88722#(<= ULTIMATE.start_main_~i~4 140), 88725#(<= ULTIMATE.start_main_~i~4 146), 88724#(<= ULTIMATE.start_main_~i~4 144), 88727#(<= ULTIMATE.start_main_~i~4 150), 88726#(<= ULTIMATE.start_main_~i~4 148), 88729#(<= ULTIMATE.start_main_~i~4 154), 88728#(<= ULTIMATE.start_main_~i~4 152), 88731#(<= ULTIMATE.start_main_~i~4 158), 88730#(<= ULTIMATE.start_main_~i~4 156), 88733#(<= ULTIMATE.start_main_~i~4 162), 88732#(<= ULTIMATE.start_main_~i~4 160), 88735#(<= ULTIMATE.start_main_~i~4 166), 88734#(<= ULTIMATE.start_main_~i~4 164), 88737#(<= ULTIMATE.start_main_~i~4 170), 88736#(<= ULTIMATE.start_main_~i~4 168), 88739#(<= ULTIMATE.start_main_~i~4 174), 88738#(<= ULTIMATE.start_main_~i~4 172), 88741#(<= ULTIMATE.start_main_~i~4 178), 88740#(<= ULTIMATE.start_main_~i~4 176), 88743#(<= ULTIMATE.start_main_~i~4 182), 88742#(<= ULTIMATE.start_main_~i~4 180), 88745#(<= ULTIMATE.start_main_~i~4 186), 88744#(<= ULTIMATE.start_main_~i~4 184), 88747#(<= ULTIMATE.start_main_~i~4 190), 88746#(<= ULTIMATE.start_main_~i~4 188), 88749#(<= ULTIMATE.start_main_~i~4 194), 88748#(<= ULTIMATE.start_main_~i~4 192), 88751#(<= ULTIMATE.start_main_~i~4 198), 88750#(<= ULTIMATE.start_main_~i~4 196), 88753#(<= ULTIMATE.start_main_~i~4 202), 88752#(<= ULTIMATE.start_main_~i~4 200), 88755#(<= ULTIMATE.start_main_~i~4 206), 88754#(<= ULTIMATE.start_main_~i~4 204), 88757#(<= ULTIMATE.start_main_~i~4 210), 88756#(<= ULTIMATE.start_main_~i~4 208), 88759#(<= ULTIMATE.start_main_~i~4 214), 88758#(<= ULTIMATE.start_main_~i~4 212), 88761#(<= ULTIMATE.start_main_~i~4 218), 88760#(<= ULTIMATE.start_main_~i~4 216), 88763#(<= ULTIMATE.start_main_~i~4 222), 88762#(<= ULTIMATE.start_main_~i~4 220), 88765#(<= ULTIMATE.start_main_~i~4 226), 88764#(<= ULTIMATE.start_main_~i~4 224), 88767#(<= ULTIMATE.start_main_~i~4 230), 88766#(<= ULTIMATE.start_main_~i~4 228), 88769#(<= ULTIMATE.start_main_~i~4 234), 88768#(<= ULTIMATE.start_main_~i~4 232), 88771#(<= ULTIMATE.start_main_~i~4 238), 88770#(<= ULTIMATE.start_main_~i~4 236), 88773#(<= ULTIMATE.start_main_~i~4 242), 88772#(<= ULTIMATE.start_main_~i~4 240), 88775#(<= ULTIMATE.start_main_~i~4 246), 88774#(<= ULTIMATE.start_main_~i~4 244), 88777#(<= ULTIMATE.start_main_~i~4 250), 88776#(<= ULTIMATE.start_main_~i~4 248), 88779#(<= ULTIMATE.start_main_~i~4 254), 88778#(<= ULTIMATE.start_main_~i~4 252), 88781#(<= ULTIMATE.start_main_~i~4 258), 88780#(<= ULTIMATE.start_main_~i~4 256), 88783#(<= ULTIMATE.start_main_~i~4 262), 88782#(<= ULTIMATE.start_main_~i~4 260), 88785#(<= ULTIMATE.start_main_~i~4 266), 88784#(<= ULTIMATE.start_main_~i~4 264), 88787#(<= ULTIMATE.start_main_~i~4 270), 88786#(<= ULTIMATE.start_main_~i~4 268), 88789#(<= ULTIMATE.start_main_~i~4 274), 88788#(<= ULTIMATE.start_main_~i~4 272)] [2018-07-23 13:45:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:45:42,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:45:42,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:45:42,522 INFO L87 Difference]: Start difference. First operand 279 states and 279 transitions. Second operand 140 states. [2018-07-23 13:45:42,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:42,906 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-07-23 13:45:42,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:45:42,906 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 278 [2018-07-23 13:45:42,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:42,906 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:45:42,906 INFO L226 Difference]: Without dead ends: 281 [2018-07-23 13:45:42,907 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:45:42,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-07-23 13:45:42,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-07-23 13:45:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-07-23 13:45:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 281 transitions. [2018-07-23 13:45:42,912 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 281 transitions. Word has length 278 [2018-07-23 13:45:42,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:42,912 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 281 transitions. [2018-07-23 13:45:42,912 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:45:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 281 transitions. [2018-07-23 13:45:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-07-23 13:45:42,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:42,914 INFO L357 BasicCegarLoop]: trace histogram [139, 138, 1, 1, 1] [2018-07-23 13:45:42,914 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:42,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1826034059, now seen corresponding path program 138 times [2018-07-23 13:45:42,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:43,425 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:43,425 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:45:43,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:43,426 INFO L185 omatonBuilderFactory]: Interpolants [89919#false, 89918#true, 89921#(<= ULTIMATE.start_main_~i~4 2), 89920#(<= ULTIMATE.start_main_~i~4 0), 89923#(<= ULTIMATE.start_main_~i~4 6), 89922#(<= ULTIMATE.start_main_~i~4 4), 89925#(<= ULTIMATE.start_main_~i~4 10), 89924#(<= ULTIMATE.start_main_~i~4 8), 89927#(<= ULTIMATE.start_main_~i~4 14), 89926#(<= ULTIMATE.start_main_~i~4 12), 89929#(<= ULTIMATE.start_main_~i~4 18), 89928#(<= ULTIMATE.start_main_~i~4 16), 89931#(<= ULTIMATE.start_main_~i~4 22), 89930#(<= ULTIMATE.start_main_~i~4 20), 89933#(<= ULTIMATE.start_main_~i~4 26), 89932#(<= ULTIMATE.start_main_~i~4 24), 89935#(<= ULTIMATE.start_main_~i~4 30), 89934#(<= ULTIMATE.start_main_~i~4 28), 89937#(<= ULTIMATE.start_main_~i~4 34), 89936#(<= ULTIMATE.start_main_~i~4 32), 89939#(<= ULTIMATE.start_main_~i~4 38), 89938#(<= ULTIMATE.start_main_~i~4 36), 89941#(<= ULTIMATE.start_main_~i~4 42), 89940#(<= ULTIMATE.start_main_~i~4 40), 89943#(<= ULTIMATE.start_main_~i~4 46), 89942#(<= ULTIMATE.start_main_~i~4 44), 89945#(<= ULTIMATE.start_main_~i~4 50), 89944#(<= ULTIMATE.start_main_~i~4 48), 89947#(<= ULTIMATE.start_main_~i~4 54), 89946#(<= ULTIMATE.start_main_~i~4 52), 89949#(<= ULTIMATE.start_main_~i~4 58), 89948#(<= ULTIMATE.start_main_~i~4 56), 89951#(<= ULTIMATE.start_main_~i~4 62), 89950#(<= ULTIMATE.start_main_~i~4 60), 89953#(<= ULTIMATE.start_main_~i~4 66), 89952#(<= ULTIMATE.start_main_~i~4 64), 89955#(<= ULTIMATE.start_main_~i~4 70), 89954#(<= ULTIMATE.start_main_~i~4 68), 89957#(<= ULTIMATE.start_main_~i~4 74), 89956#(<= ULTIMATE.start_main_~i~4 72), 89959#(<= ULTIMATE.start_main_~i~4 78), 89958#(<= ULTIMATE.start_main_~i~4 76), 89961#(<= ULTIMATE.start_main_~i~4 82), 89960#(<= ULTIMATE.start_main_~i~4 80), 89963#(<= ULTIMATE.start_main_~i~4 86), 89962#(<= ULTIMATE.start_main_~i~4 84), 89965#(<= ULTIMATE.start_main_~i~4 90), 89964#(<= ULTIMATE.start_main_~i~4 88), 89967#(<= ULTIMATE.start_main_~i~4 94), 89966#(<= ULTIMATE.start_main_~i~4 92), 89969#(<= ULTIMATE.start_main_~i~4 98), 89968#(<= ULTIMATE.start_main_~i~4 96), 89971#(<= ULTIMATE.start_main_~i~4 102), 89970#(<= ULTIMATE.start_main_~i~4 100), 89973#(<= ULTIMATE.start_main_~i~4 106), 89972#(<= ULTIMATE.start_main_~i~4 104), 89975#(<= ULTIMATE.start_main_~i~4 110), 89974#(<= ULTIMATE.start_main_~i~4 108), 89977#(<= ULTIMATE.start_main_~i~4 114), 89976#(<= ULTIMATE.start_main_~i~4 112), 89979#(<= ULTIMATE.start_main_~i~4 118), 89978#(<= ULTIMATE.start_main_~i~4 116), 89981#(<= ULTIMATE.start_main_~i~4 122), 89980#(<= ULTIMATE.start_main_~i~4 120), 89983#(<= ULTIMATE.start_main_~i~4 126), 89982#(<= ULTIMATE.start_main_~i~4 124), 89985#(<= ULTIMATE.start_main_~i~4 130), 89984#(<= ULTIMATE.start_main_~i~4 128), 89987#(<= ULTIMATE.start_main_~i~4 134), 89986#(<= ULTIMATE.start_main_~i~4 132), 89989#(<= ULTIMATE.start_main_~i~4 138), 89988#(<= ULTIMATE.start_main_~i~4 136), 89991#(<= ULTIMATE.start_main_~i~4 142), 89990#(<= ULTIMATE.start_main_~i~4 140), 89993#(<= ULTIMATE.start_main_~i~4 146), 89992#(<= ULTIMATE.start_main_~i~4 144), 89995#(<= ULTIMATE.start_main_~i~4 150), 89994#(<= ULTIMATE.start_main_~i~4 148), 89997#(<= ULTIMATE.start_main_~i~4 154), 89996#(<= ULTIMATE.start_main_~i~4 152), 89999#(<= ULTIMATE.start_main_~i~4 158), 89998#(<= ULTIMATE.start_main_~i~4 156), 90001#(<= ULTIMATE.start_main_~i~4 162), 90000#(<= ULTIMATE.start_main_~i~4 160), 90003#(<= ULTIMATE.start_main_~i~4 166), 90002#(<= ULTIMATE.start_main_~i~4 164), 90005#(<= ULTIMATE.start_main_~i~4 170), 90004#(<= ULTIMATE.start_main_~i~4 168), 90007#(<= ULTIMATE.start_main_~i~4 174), 90006#(<= ULTIMATE.start_main_~i~4 172), 90009#(<= ULTIMATE.start_main_~i~4 178), 90008#(<= ULTIMATE.start_main_~i~4 176), 90011#(<= ULTIMATE.start_main_~i~4 182), 90010#(<= ULTIMATE.start_main_~i~4 180), 90013#(<= ULTIMATE.start_main_~i~4 186), 90012#(<= ULTIMATE.start_main_~i~4 184), 90015#(<= ULTIMATE.start_main_~i~4 190), 90014#(<= ULTIMATE.start_main_~i~4 188), 90017#(<= ULTIMATE.start_main_~i~4 194), 90016#(<= ULTIMATE.start_main_~i~4 192), 90019#(<= ULTIMATE.start_main_~i~4 198), 90018#(<= ULTIMATE.start_main_~i~4 196), 90021#(<= ULTIMATE.start_main_~i~4 202), 90020#(<= ULTIMATE.start_main_~i~4 200), 90023#(<= ULTIMATE.start_main_~i~4 206), 90022#(<= ULTIMATE.start_main_~i~4 204), 90025#(<= ULTIMATE.start_main_~i~4 210), 90024#(<= ULTIMATE.start_main_~i~4 208), 90027#(<= ULTIMATE.start_main_~i~4 214), 90026#(<= ULTIMATE.start_main_~i~4 212), 90029#(<= ULTIMATE.start_main_~i~4 218), 90028#(<= ULTIMATE.start_main_~i~4 216), 90031#(<= ULTIMATE.start_main_~i~4 222), 90030#(<= ULTIMATE.start_main_~i~4 220), 90033#(<= ULTIMATE.start_main_~i~4 226), 90032#(<= ULTIMATE.start_main_~i~4 224), 90035#(<= ULTIMATE.start_main_~i~4 230), 90034#(<= ULTIMATE.start_main_~i~4 228), 90037#(<= ULTIMATE.start_main_~i~4 234), 90036#(<= ULTIMATE.start_main_~i~4 232), 90039#(<= ULTIMATE.start_main_~i~4 238), 90038#(<= ULTIMATE.start_main_~i~4 236), 90041#(<= ULTIMATE.start_main_~i~4 242), 90040#(<= ULTIMATE.start_main_~i~4 240), 90043#(<= ULTIMATE.start_main_~i~4 246), 90042#(<= ULTIMATE.start_main_~i~4 244), 90045#(<= ULTIMATE.start_main_~i~4 250), 90044#(<= ULTIMATE.start_main_~i~4 248), 90047#(<= ULTIMATE.start_main_~i~4 254), 90046#(<= ULTIMATE.start_main_~i~4 252), 90049#(<= ULTIMATE.start_main_~i~4 258), 90048#(<= ULTIMATE.start_main_~i~4 256), 90051#(<= ULTIMATE.start_main_~i~4 262), 90050#(<= ULTIMATE.start_main_~i~4 260), 90053#(<= ULTIMATE.start_main_~i~4 266), 90052#(<= ULTIMATE.start_main_~i~4 264), 90055#(<= ULTIMATE.start_main_~i~4 270), 90054#(<= ULTIMATE.start_main_~i~4 268), 90057#(<= ULTIMATE.start_main_~i~4 274), 90056#(<= ULTIMATE.start_main_~i~4 272), 90058#(<= ULTIMATE.start_main_~i~4 276)] [2018-07-23 13:45:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:43,427 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:45:43,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:45:43,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:45:43,429 INFO L87 Difference]: Start difference. First operand 281 states and 281 transitions. Second operand 141 states. [2018-07-23 13:45:43,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:43,830 INFO L93 Difference]: Finished difference Result 285 states and 285 transitions. [2018-07-23 13:45:43,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:45:43,830 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 280 [2018-07-23 13:45:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:43,831 INFO L225 Difference]: With dead ends: 285 [2018-07-23 13:45:43,831 INFO L226 Difference]: Without dead ends: 283 [2018-07-23 13:45:43,832 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:45:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-07-23 13:45:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-07-23 13:45:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-07-23 13:45:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 283 transitions. [2018-07-23 13:45:43,835 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 283 transitions. Word has length 280 [2018-07-23 13:45:43,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:43,835 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 283 transitions. [2018-07-23 13:45:43,835 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:45:43,835 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 283 transitions. [2018-07-23 13:45:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-07-23 13:45:43,836 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:43,836 INFO L357 BasicCegarLoop]: trace histogram [140, 139, 1, 1, 1] [2018-07-23 13:45:43,836 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:43,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1822841275, now seen corresponding path program 139 times [2018-07-23 13:45:43,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,328 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:44,328 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:45:44,329 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,329 INFO L185 omatonBuilderFactory]: Interpolants [91195#true, 91197#(<= ULTIMATE.start_main_~i~4 0), 91196#false, 91199#(<= ULTIMATE.start_main_~i~4 4), 91198#(<= ULTIMATE.start_main_~i~4 2), 91201#(<= ULTIMATE.start_main_~i~4 8), 91200#(<= ULTIMATE.start_main_~i~4 6), 91203#(<= ULTIMATE.start_main_~i~4 12), 91202#(<= ULTIMATE.start_main_~i~4 10), 91205#(<= ULTIMATE.start_main_~i~4 16), 91204#(<= ULTIMATE.start_main_~i~4 14), 91207#(<= ULTIMATE.start_main_~i~4 20), 91206#(<= ULTIMATE.start_main_~i~4 18), 91209#(<= ULTIMATE.start_main_~i~4 24), 91208#(<= ULTIMATE.start_main_~i~4 22), 91211#(<= ULTIMATE.start_main_~i~4 28), 91210#(<= ULTIMATE.start_main_~i~4 26), 91213#(<= ULTIMATE.start_main_~i~4 32), 91212#(<= ULTIMATE.start_main_~i~4 30), 91215#(<= ULTIMATE.start_main_~i~4 36), 91214#(<= ULTIMATE.start_main_~i~4 34), 91217#(<= ULTIMATE.start_main_~i~4 40), 91216#(<= ULTIMATE.start_main_~i~4 38), 91219#(<= ULTIMATE.start_main_~i~4 44), 91218#(<= ULTIMATE.start_main_~i~4 42), 91221#(<= ULTIMATE.start_main_~i~4 48), 91220#(<= ULTIMATE.start_main_~i~4 46), 91223#(<= ULTIMATE.start_main_~i~4 52), 91222#(<= ULTIMATE.start_main_~i~4 50), 91225#(<= ULTIMATE.start_main_~i~4 56), 91224#(<= ULTIMATE.start_main_~i~4 54), 91227#(<= ULTIMATE.start_main_~i~4 60), 91226#(<= ULTIMATE.start_main_~i~4 58), 91229#(<= ULTIMATE.start_main_~i~4 64), 91228#(<= ULTIMATE.start_main_~i~4 62), 91231#(<= ULTIMATE.start_main_~i~4 68), 91230#(<= ULTIMATE.start_main_~i~4 66), 91233#(<= ULTIMATE.start_main_~i~4 72), 91232#(<= ULTIMATE.start_main_~i~4 70), 91235#(<= ULTIMATE.start_main_~i~4 76), 91234#(<= ULTIMATE.start_main_~i~4 74), 91237#(<= ULTIMATE.start_main_~i~4 80), 91236#(<= ULTIMATE.start_main_~i~4 78), 91239#(<= ULTIMATE.start_main_~i~4 84), 91238#(<= ULTIMATE.start_main_~i~4 82), 91241#(<= ULTIMATE.start_main_~i~4 88), 91240#(<= ULTIMATE.start_main_~i~4 86), 91243#(<= ULTIMATE.start_main_~i~4 92), 91242#(<= ULTIMATE.start_main_~i~4 90), 91245#(<= ULTIMATE.start_main_~i~4 96), 91244#(<= ULTIMATE.start_main_~i~4 94), 91247#(<= ULTIMATE.start_main_~i~4 100), 91246#(<= ULTIMATE.start_main_~i~4 98), 91249#(<= ULTIMATE.start_main_~i~4 104), 91248#(<= ULTIMATE.start_main_~i~4 102), 91251#(<= ULTIMATE.start_main_~i~4 108), 91250#(<= ULTIMATE.start_main_~i~4 106), 91253#(<= ULTIMATE.start_main_~i~4 112), 91252#(<= ULTIMATE.start_main_~i~4 110), 91255#(<= ULTIMATE.start_main_~i~4 116), 91254#(<= ULTIMATE.start_main_~i~4 114), 91257#(<= ULTIMATE.start_main_~i~4 120), 91256#(<= ULTIMATE.start_main_~i~4 118), 91259#(<= ULTIMATE.start_main_~i~4 124), 91258#(<= ULTIMATE.start_main_~i~4 122), 91261#(<= ULTIMATE.start_main_~i~4 128), 91260#(<= ULTIMATE.start_main_~i~4 126), 91263#(<= ULTIMATE.start_main_~i~4 132), 91262#(<= ULTIMATE.start_main_~i~4 130), 91265#(<= ULTIMATE.start_main_~i~4 136), 91264#(<= ULTIMATE.start_main_~i~4 134), 91267#(<= ULTIMATE.start_main_~i~4 140), 91266#(<= ULTIMATE.start_main_~i~4 138), 91269#(<= ULTIMATE.start_main_~i~4 144), 91268#(<= ULTIMATE.start_main_~i~4 142), 91271#(<= ULTIMATE.start_main_~i~4 148), 91270#(<= ULTIMATE.start_main_~i~4 146), 91273#(<= ULTIMATE.start_main_~i~4 152), 91272#(<= ULTIMATE.start_main_~i~4 150), 91275#(<= ULTIMATE.start_main_~i~4 156), 91274#(<= ULTIMATE.start_main_~i~4 154), 91277#(<= ULTIMATE.start_main_~i~4 160), 91276#(<= ULTIMATE.start_main_~i~4 158), 91279#(<= ULTIMATE.start_main_~i~4 164), 91278#(<= ULTIMATE.start_main_~i~4 162), 91281#(<= ULTIMATE.start_main_~i~4 168), 91280#(<= ULTIMATE.start_main_~i~4 166), 91283#(<= ULTIMATE.start_main_~i~4 172), 91282#(<= ULTIMATE.start_main_~i~4 170), 91285#(<= ULTIMATE.start_main_~i~4 176), 91284#(<= ULTIMATE.start_main_~i~4 174), 91287#(<= ULTIMATE.start_main_~i~4 180), 91286#(<= ULTIMATE.start_main_~i~4 178), 91289#(<= ULTIMATE.start_main_~i~4 184), 91288#(<= ULTIMATE.start_main_~i~4 182), 91291#(<= ULTIMATE.start_main_~i~4 188), 91290#(<= ULTIMATE.start_main_~i~4 186), 91293#(<= ULTIMATE.start_main_~i~4 192), 91292#(<= ULTIMATE.start_main_~i~4 190), 91295#(<= ULTIMATE.start_main_~i~4 196), 91294#(<= ULTIMATE.start_main_~i~4 194), 91297#(<= ULTIMATE.start_main_~i~4 200), 91296#(<= ULTIMATE.start_main_~i~4 198), 91299#(<= ULTIMATE.start_main_~i~4 204), 91298#(<= ULTIMATE.start_main_~i~4 202), 91301#(<= ULTIMATE.start_main_~i~4 208), 91300#(<= ULTIMATE.start_main_~i~4 206), 91303#(<= ULTIMATE.start_main_~i~4 212), 91302#(<= ULTIMATE.start_main_~i~4 210), 91305#(<= ULTIMATE.start_main_~i~4 216), 91304#(<= ULTIMATE.start_main_~i~4 214), 91307#(<= ULTIMATE.start_main_~i~4 220), 91306#(<= ULTIMATE.start_main_~i~4 218), 91309#(<= ULTIMATE.start_main_~i~4 224), 91308#(<= ULTIMATE.start_main_~i~4 222), 91311#(<= ULTIMATE.start_main_~i~4 228), 91310#(<= ULTIMATE.start_main_~i~4 226), 91313#(<= ULTIMATE.start_main_~i~4 232), 91312#(<= ULTIMATE.start_main_~i~4 230), 91315#(<= ULTIMATE.start_main_~i~4 236), 91314#(<= ULTIMATE.start_main_~i~4 234), 91317#(<= ULTIMATE.start_main_~i~4 240), 91316#(<= ULTIMATE.start_main_~i~4 238), 91319#(<= ULTIMATE.start_main_~i~4 244), 91318#(<= ULTIMATE.start_main_~i~4 242), 91321#(<= ULTIMATE.start_main_~i~4 248), 91320#(<= ULTIMATE.start_main_~i~4 246), 91323#(<= ULTIMATE.start_main_~i~4 252), 91322#(<= ULTIMATE.start_main_~i~4 250), 91325#(<= ULTIMATE.start_main_~i~4 256), 91324#(<= ULTIMATE.start_main_~i~4 254), 91327#(<= ULTIMATE.start_main_~i~4 260), 91326#(<= ULTIMATE.start_main_~i~4 258), 91329#(<= ULTIMATE.start_main_~i~4 264), 91328#(<= ULTIMATE.start_main_~i~4 262), 91331#(<= ULTIMATE.start_main_~i~4 268), 91330#(<= ULTIMATE.start_main_~i~4 266), 91333#(<= ULTIMATE.start_main_~i~4 272), 91332#(<= ULTIMATE.start_main_~i~4 270), 91335#(<= ULTIMATE.start_main_~i~4 276), 91334#(<= ULTIMATE.start_main_~i~4 274), 91336#(<= ULTIMATE.start_main_~i~4 278)] [2018-07-23 13:45:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,330 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:45:44,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:45:44,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:45:44,332 INFO L87 Difference]: Start difference. First operand 283 states and 283 transitions. Second operand 142 states. [2018-07-23 13:45:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:44,741 INFO L93 Difference]: Finished difference Result 287 states and 287 transitions. [2018-07-23 13:45:44,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:45:44,741 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 282 [2018-07-23 13:45:44,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:44,741 INFO L225 Difference]: With dead ends: 287 [2018-07-23 13:45:44,741 INFO L226 Difference]: Without dead ends: 285 [2018-07-23 13:45:44,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:45:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-07-23 13:45:44,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-07-23 13:45:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-07-23 13:45:44,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 285 transitions. [2018-07-23 13:45:44,745 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 285 transitions. Word has length 282 [2018-07-23 13:45:44,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:44,745 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 285 transitions. [2018-07-23 13:45:44,745 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:45:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 285 transitions. [2018-07-23 13:45:44,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-07-23 13:45:44,746 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:44,746 INFO L357 BasicCegarLoop]: trace histogram [141, 140, 1, 1, 1] [2018-07-23 13:45:44,746 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:44,746 INFO L82 PathProgramCache]: Analyzing trace with hash 596243583, now seen corresponding path program 140 times [2018-07-23 13:45:44,747 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,299 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:45,299 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:45:45,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,299 INFO L185 omatonBuilderFactory]: Interpolants [92481#true, 92483#(<= ULTIMATE.start_main_~i~4 0), 92482#false, 92485#(<= ULTIMATE.start_main_~i~4 4), 92484#(<= ULTIMATE.start_main_~i~4 2), 92487#(<= ULTIMATE.start_main_~i~4 8), 92486#(<= ULTIMATE.start_main_~i~4 6), 92489#(<= ULTIMATE.start_main_~i~4 12), 92488#(<= ULTIMATE.start_main_~i~4 10), 92491#(<= ULTIMATE.start_main_~i~4 16), 92490#(<= ULTIMATE.start_main_~i~4 14), 92493#(<= ULTIMATE.start_main_~i~4 20), 92492#(<= ULTIMATE.start_main_~i~4 18), 92495#(<= ULTIMATE.start_main_~i~4 24), 92494#(<= ULTIMATE.start_main_~i~4 22), 92497#(<= ULTIMATE.start_main_~i~4 28), 92496#(<= ULTIMATE.start_main_~i~4 26), 92499#(<= ULTIMATE.start_main_~i~4 32), 92498#(<= ULTIMATE.start_main_~i~4 30), 92501#(<= ULTIMATE.start_main_~i~4 36), 92500#(<= ULTIMATE.start_main_~i~4 34), 92503#(<= ULTIMATE.start_main_~i~4 40), 92502#(<= ULTIMATE.start_main_~i~4 38), 92505#(<= ULTIMATE.start_main_~i~4 44), 92504#(<= ULTIMATE.start_main_~i~4 42), 92507#(<= ULTIMATE.start_main_~i~4 48), 92506#(<= ULTIMATE.start_main_~i~4 46), 92509#(<= ULTIMATE.start_main_~i~4 52), 92508#(<= ULTIMATE.start_main_~i~4 50), 92511#(<= ULTIMATE.start_main_~i~4 56), 92510#(<= ULTIMATE.start_main_~i~4 54), 92513#(<= ULTIMATE.start_main_~i~4 60), 92512#(<= ULTIMATE.start_main_~i~4 58), 92515#(<= ULTIMATE.start_main_~i~4 64), 92514#(<= ULTIMATE.start_main_~i~4 62), 92517#(<= ULTIMATE.start_main_~i~4 68), 92516#(<= ULTIMATE.start_main_~i~4 66), 92519#(<= ULTIMATE.start_main_~i~4 72), 92518#(<= ULTIMATE.start_main_~i~4 70), 92521#(<= ULTIMATE.start_main_~i~4 76), 92520#(<= ULTIMATE.start_main_~i~4 74), 92523#(<= ULTIMATE.start_main_~i~4 80), 92522#(<= ULTIMATE.start_main_~i~4 78), 92525#(<= ULTIMATE.start_main_~i~4 84), 92524#(<= ULTIMATE.start_main_~i~4 82), 92527#(<= ULTIMATE.start_main_~i~4 88), 92526#(<= ULTIMATE.start_main_~i~4 86), 92529#(<= ULTIMATE.start_main_~i~4 92), 92528#(<= ULTIMATE.start_main_~i~4 90), 92531#(<= ULTIMATE.start_main_~i~4 96), 92530#(<= ULTIMATE.start_main_~i~4 94), 92533#(<= ULTIMATE.start_main_~i~4 100), 92532#(<= ULTIMATE.start_main_~i~4 98), 92535#(<= ULTIMATE.start_main_~i~4 104), 92534#(<= ULTIMATE.start_main_~i~4 102), 92537#(<= ULTIMATE.start_main_~i~4 108), 92536#(<= ULTIMATE.start_main_~i~4 106), 92539#(<= ULTIMATE.start_main_~i~4 112), 92538#(<= ULTIMATE.start_main_~i~4 110), 92541#(<= ULTIMATE.start_main_~i~4 116), 92540#(<= ULTIMATE.start_main_~i~4 114), 92543#(<= ULTIMATE.start_main_~i~4 120), 92542#(<= ULTIMATE.start_main_~i~4 118), 92545#(<= ULTIMATE.start_main_~i~4 124), 92544#(<= ULTIMATE.start_main_~i~4 122), 92547#(<= ULTIMATE.start_main_~i~4 128), 92546#(<= ULTIMATE.start_main_~i~4 126), 92549#(<= ULTIMATE.start_main_~i~4 132), 92548#(<= ULTIMATE.start_main_~i~4 130), 92551#(<= ULTIMATE.start_main_~i~4 136), 92550#(<= ULTIMATE.start_main_~i~4 134), 92553#(<= ULTIMATE.start_main_~i~4 140), 92552#(<= ULTIMATE.start_main_~i~4 138), 92555#(<= ULTIMATE.start_main_~i~4 144), 92554#(<= ULTIMATE.start_main_~i~4 142), 92557#(<= ULTIMATE.start_main_~i~4 148), 92556#(<= ULTIMATE.start_main_~i~4 146), 92559#(<= ULTIMATE.start_main_~i~4 152), 92558#(<= ULTIMATE.start_main_~i~4 150), 92561#(<= ULTIMATE.start_main_~i~4 156), 92560#(<= ULTIMATE.start_main_~i~4 154), 92563#(<= ULTIMATE.start_main_~i~4 160), 92562#(<= ULTIMATE.start_main_~i~4 158), 92565#(<= ULTIMATE.start_main_~i~4 164), 92564#(<= ULTIMATE.start_main_~i~4 162), 92567#(<= ULTIMATE.start_main_~i~4 168), 92566#(<= ULTIMATE.start_main_~i~4 166), 92569#(<= ULTIMATE.start_main_~i~4 172), 92568#(<= ULTIMATE.start_main_~i~4 170), 92571#(<= ULTIMATE.start_main_~i~4 176), 92570#(<= ULTIMATE.start_main_~i~4 174), 92573#(<= ULTIMATE.start_main_~i~4 180), 92572#(<= ULTIMATE.start_main_~i~4 178), 92575#(<= ULTIMATE.start_main_~i~4 184), 92574#(<= ULTIMATE.start_main_~i~4 182), 92577#(<= ULTIMATE.start_main_~i~4 188), 92576#(<= ULTIMATE.start_main_~i~4 186), 92579#(<= ULTIMATE.start_main_~i~4 192), 92578#(<= ULTIMATE.start_main_~i~4 190), 92581#(<= ULTIMATE.start_main_~i~4 196), 92580#(<= ULTIMATE.start_main_~i~4 194), 92583#(<= ULTIMATE.start_main_~i~4 200), 92582#(<= ULTIMATE.start_main_~i~4 198), 92585#(<= ULTIMATE.start_main_~i~4 204), 92584#(<= ULTIMATE.start_main_~i~4 202), 92587#(<= ULTIMATE.start_main_~i~4 208), 92586#(<= ULTIMATE.start_main_~i~4 206), 92589#(<= ULTIMATE.start_main_~i~4 212), 92588#(<= ULTIMATE.start_main_~i~4 210), 92591#(<= ULTIMATE.start_main_~i~4 216), 92590#(<= ULTIMATE.start_main_~i~4 214), 92593#(<= ULTIMATE.start_main_~i~4 220), 92592#(<= ULTIMATE.start_main_~i~4 218), 92595#(<= ULTIMATE.start_main_~i~4 224), 92594#(<= ULTIMATE.start_main_~i~4 222), 92597#(<= ULTIMATE.start_main_~i~4 228), 92596#(<= ULTIMATE.start_main_~i~4 226), 92599#(<= ULTIMATE.start_main_~i~4 232), 92598#(<= ULTIMATE.start_main_~i~4 230), 92601#(<= ULTIMATE.start_main_~i~4 236), 92600#(<= ULTIMATE.start_main_~i~4 234), 92603#(<= ULTIMATE.start_main_~i~4 240), 92602#(<= ULTIMATE.start_main_~i~4 238), 92605#(<= ULTIMATE.start_main_~i~4 244), 92604#(<= ULTIMATE.start_main_~i~4 242), 92607#(<= ULTIMATE.start_main_~i~4 248), 92606#(<= ULTIMATE.start_main_~i~4 246), 92609#(<= ULTIMATE.start_main_~i~4 252), 92608#(<= ULTIMATE.start_main_~i~4 250), 92611#(<= ULTIMATE.start_main_~i~4 256), 92610#(<= ULTIMATE.start_main_~i~4 254), 92613#(<= ULTIMATE.start_main_~i~4 260), 92612#(<= ULTIMATE.start_main_~i~4 258), 92615#(<= ULTIMATE.start_main_~i~4 264), 92614#(<= ULTIMATE.start_main_~i~4 262), 92617#(<= ULTIMATE.start_main_~i~4 268), 92616#(<= ULTIMATE.start_main_~i~4 266), 92619#(<= ULTIMATE.start_main_~i~4 272), 92618#(<= ULTIMATE.start_main_~i~4 270), 92621#(<= ULTIMATE.start_main_~i~4 276), 92620#(<= ULTIMATE.start_main_~i~4 274), 92623#(<= ULTIMATE.start_main_~i~4 280), 92622#(<= ULTIMATE.start_main_~i~4 278)] [2018-07-23 13:45:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,300 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:45:45,301 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:45:45,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:45:45,302 INFO L87 Difference]: Start difference. First operand 285 states and 285 transitions. Second operand 143 states. [2018-07-23 13:45:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:45,710 INFO L93 Difference]: Finished difference Result 289 states and 289 transitions. [2018-07-23 13:45:45,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:45:45,711 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 284 [2018-07-23 13:45:45,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:45,711 INFO L225 Difference]: With dead ends: 289 [2018-07-23 13:45:45,711 INFO L226 Difference]: Without dead ends: 287 [2018-07-23 13:45:45,712 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:45:45,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-07-23 13:45:45,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-07-23 13:45:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-07-23 13:45:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 287 transitions. [2018-07-23 13:45:45,717 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 287 transitions. Word has length 284 [2018-07-23 13:45:45,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:45,717 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 287 transitions. [2018-07-23 13:45:45,717 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:45:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 287 transitions. [2018-07-23 13:45:45,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-07-23 13:45:45,719 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:45,719 INFO L357 BasicCegarLoop]: trace histogram [142, 141, 1, 1, 1] [2018-07-23 13:45:45,719 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:45,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1759484985, now seen corresponding path program 141 times [2018-07-23 13:45:45,719 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,250 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:46,251 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:45:46,251 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,251 INFO L185 omatonBuilderFactory]: Interpolants [93777#false, 93776#true, 93779#(<= ULTIMATE.start_main_~i~4 2), 93778#(<= ULTIMATE.start_main_~i~4 0), 93781#(<= ULTIMATE.start_main_~i~4 6), 93780#(<= ULTIMATE.start_main_~i~4 4), 93783#(<= ULTIMATE.start_main_~i~4 10), 93782#(<= ULTIMATE.start_main_~i~4 8), 93785#(<= ULTIMATE.start_main_~i~4 14), 93784#(<= ULTIMATE.start_main_~i~4 12), 93787#(<= ULTIMATE.start_main_~i~4 18), 93786#(<= ULTIMATE.start_main_~i~4 16), 93789#(<= ULTIMATE.start_main_~i~4 22), 93788#(<= ULTIMATE.start_main_~i~4 20), 93791#(<= ULTIMATE.start_main_~i~4 26), 93790#(<= ULTIMATE.start_main_~i~4 24), 93793#(<= ULTIMATE.start_main_~i~4 30), 93792#(<= ULTIMATE.start_main_~i~4 28), 93795#(<= ULTIMATE.start_main_~i~4 34), 93794#(<= ULTIMATE.start_main_~i~4 32), 93797#(<= ULTIMATE.start_main_~i~4 38), 93796#(<= ULTIMATE.start_main_~i~4 36), 93799#(<= ULTIMATE.start_main_~i~4 42), 93798#(<= ULTIMATE.start_main_~i~4 40), 93801#(<= ULTIMATE.start_main_~i~4 46), 93800#(<= ULTIMATE.start_main_~i~4 44), 93803#(<= ULTIMATE.start_main_~i~4 50), 93802#(<= ULTIMATE.start_main_~i~4 48), 93805#(<= ULTIMATE.start_main_~i~4 54), 93804#(<= ULTIMATE.start_main_~i~4 52), 93807#(<= ULTIMATE.start_main_~i~4 58), 93806#(<= ULTIMATE.start_main_~i~4 56), 93809#(<= ULTIMATE.start_main_~i~4 62), 93808#(<= ULTIMATE.start_main_~i~4 60), 93811#(<= ULTIMATE.start_main_~i~4 66), 93810#(<= ULTIMATE.start_main_~i~4 64), 93813#(<= ULTIMATE.start_main_~i~4 70), 93812#(<= ULTIMATE.start_main_~i~4 68), 93815#(<= ULTIMATE.start_main_~i~4 74), 93814#(<= ULTIMATE.start_main_~i~4 72), 93817#(<= ULTIMATE.start_main_~i~4 78), 93816#(<= ULTIMATE.start_main_~i~4 76), 93819#(<= ULTIMATE.start_main_~i~4 82), 93818#(<= ULTIMATE.start_main_~i~4 80), 93821#(<= ULTIMATE.start_main_~i~4 86), 93820#(<= ULTIMATE.start_main_~i~4 84), 93823#(<= ULTIMATE.start_main_~i~4 90), 93822#(<= ULTIMATE.start_main_~i~4 88), 93825#(<= ULTIMATE.start_main_~i~4 94), 93824#(<= ULTIMATE.start_main_~i~4 92), 93827#(<= ULTIMATE.start_main_~i~4 98), 93826#(<= ULTIMATE.start_main_~i~4 96), 93829#(<= ULTIMATE.start_main_~i~4 102), 93828#(<= ULTIMATE.start_main_~i~4 100), 93831#(<= ULTIMATE.start_main_~i~4 106), 93830#(<= ULTIMATE.start_main_~i~4 104), 93833#(<= ULTIMATE.start_main_~i~4 110), 93832#(<= ULTIMATE.start_main_~i~4 108), 93835#(<= ULTIMATE.start_main_~i~4 114), 93834#(<= ULTIMATE.start_main_~i~4 112), 93837#(<= ULTIMATE.start_main_~i~4 118), 93836#(<= ULTIMATE.start_main_~i~4 116), 93839#(<= ULTIMATE.start_main_~i~4 122), 93838#(<= ULTIMATE.start_main_~i~4 120), 93841#(<= ULTIMATE.start_main_~i~4 126), 93840#(<= ULTIMATE.start_main_~i~4 124), 93843#(<= ULTIMATE.start_main_~i~4 130), 93842#(<= ULTIMATE.start_main_~i~4 128), 93845#(<= ULTIMATE.start_main_~i~4 134), 93844#(<= ULTIMATE.start_main_~i~4 132), 93847#(<= ULTIMATE.start_main_~i~4 138), 93846#(<= ULTIMATE.start_main_~i~4 136), 93849#(<= ULTIMATE.start_main_~i~4 142), 93848#(<= ULTIMATE.start_main_~i~4 140), 93851#(<= ULTIMATE.start_main_~i~4 146), 93850#(<= ULTIMATE.start_main_~i~4 144), 93853#(<= ULTIMATE.start_main_~i~4 150), 93852#(<= ULTIMATE.start_main_~i~4 148), 93855#(<= ULTIMATE.start_main_~i~4 154), 93854#(<= ULTIMATE.start_main_~i~4 152), 93857#(<= ULTIMATE.start_main_~i~4 158), 93856#(<= ULTIMATE.start_main_~i~4 156), 93859#(<= ULTIMATE.start_main_~i~4 162), 93858#(<= ULTIMATE.start_main_~i~4 160), 93861#(<= ULTIMATE.start_main_~i~4 166), 93860#(<= ULTIMATE.start_main_~i~4 164), 93863#(<= ULTIMATE.start_main_~i~4 170), 93862#(<= ULTIMATE.start_main_~i~4 168), 93865#(<= ULTIMATE.start_main_~i~4 174), 93864#(<= ULTIMATE.start_main_~i~4 172), 93867#(<= ULTIMATE.start_main_~i~4 178), 93866#(<= ULTIMATE.start_main_~i~4 176), 93869#(<= ULTIMATE.start_main_~i~4 182), 93868#(<= ULTIMATE.start_main_~i~4 180), 93871#(<= ULTIMATE.start_main_~i~4 186), 93870#(<= ULTIMATE.start_main_~i~4 184), 93873#(<= ULTIMATE.start_main_~i~4 190), 93872#(<= ULTIMATE.start_main_~i~4 188), 93875#(<= ULTIMATE.start_main_~i~4 194), 93874#(<= ULTIMATE.start_main_~i~4 192), 93877#(<= ULTIMATE.start_main_~i~4 198), 93876#(<= ULTIMATE.start_main_~i~4 196), 93879#(<= ULTIMATE.start_main_~i~4 202), 93878#(<= ULTIMATE.start_main_~i~4 200), 93881#(<= ULTIMATE.start_main_~i~4 206), 93880#(<= ULTIMATE.start_main_~i~4 204), 93883#(<= ULTIMATE.start_main_~i~4 210), 93882#(<= ULTIMATE.start_main_~i~4 208), 93885#(<= ULTIMATE.start_main_~i~4 214), 93884#(<= ULTIMATE.start_main_~i~4 212), 93887#(<= ULTIMATE.start_main_~i~4 218), 93886#(<= ULTIMATE.start_main_~i~4 216), 93889#(<= ULTIMATE.start_main_~i~4 222), 93888#(<= ULTIMATE.start_main_~i~4 220), 93891#(<= ULTIMATE.start_main_~i~4 226), 93890#(<= ULTIMATE.start_main_~i~4 224), 93893#(<= ULTIMATE.start_main_~i~4 230), 93892#(<= ULTIMATE.start_main_~i~4 228), 93895#(<= ULTIMATE.start_main_~i~4 234), 93894#(<= ULTIMATE.start_main_~i~4 232), 93897#(<= ULTIMATE.start_main_~i~4 238), 93896#(<= ULTIMATE.start_main_~i~4 236), 93899#(<= ULTIMATE.start_main_~i~4 242), 93898#(<= ULTIMATE.start_main_~i~4 240), 93901#(<= ULTIMATE.start_main_~i~4 246), 93900#(<= ULTIMATE.start_main_~i~4 244), 93903#(<= ULTIMATE.start_main_~i~4 250), 93902#(<= ULTIMATE.start_main_~i~4 248), 93905#(<= ULTIMATE.start_main_~i~4 254), 93904#(<= ULTIMATE.start_main_~i~4 252), 93907#(<= ULTIMATE.start_main_~i~4 258), 93906#(<= ULTIMATE.start_main_~i~4 256), 93909#(<= ULTIMATE.start_main_~i~4 262), 93908#(<= ULTIMATE.start_main_~i~4 260), 93911#(<= ULTIMATE.start_main_~i~4 266), 93910#(<= ULTIMATE.start_main_~i~4 264), 93913#(<= ULTIMATE.start_main_~i~4 270), 93912#(<= ULTIMATE.start_main_~i~4 268), 93915#(<= ULTIMATE.start_main_~i~4 274), 93914#(<= ULTIMATE.start_main_~i~4 272), 93917#(<= ULTIMATE.start_main_~i~4 278), 93916#(<= ULTIMATE.start_main_~i~4 276), 93919#(<= ULTIMATE.start_main_~i~4 282), 93918#(<= ULTIMATE.start_main_~i~4 280)] [2018-07-23 13:45:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,253 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:45:46,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:45:46,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:45:46,256 INFO L87 Difference]: Start difference. First operand 287 states and 287 transitions. Second operand 144 states. [2018-07-23 13:45:46,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:46,703 INFO L93 Difference]: Finished difference Result 291 states and 291 transitions. [2018-07-23 13:45:46,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:45:46,703 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 286 [2018-07-23 13:45:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:46,704 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:45:46,704 INFO L226 Difference]: Without dead ends: 289 [2018-07-23 13:45:46,705 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:45:46,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-07-23 13:45:46,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2018-07-23 13:45:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-07-23 13:45:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 289 transitions. [2018-07-23 13:45:46,708 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 289 transitions. Word has length 286 [2018-07-23 13:45:46,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:46,709 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 289 transitions. [2018-07-23 13:45:46,709 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:45:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 289 transitions. [2018-07-23 13:45:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-07-23 13:45:46,710 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:46,711 INFO L357 BasicCegarLoop]: trace histogram [143, 142, 1, 1, 1] [2018-07-23 13:45:46,711 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:46,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1351991949, now seen corresponding path program 142 times [2018-07-23 13:45:46,711 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:47,491 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:47,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:45:47,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:47,492 INFO L185 omatonBuilderFactory]: Interpolants [95081#false, 95080#true, 95083#(<= ULTIMATE.start_main_~i~4 2), 95082#(<= ULTIMATE.start_main_~i~4 0), 95085#(<= ULTIMATE.start_main_~i~4 6), 95084#(<= ULTIMATE.start_main_~i~4 4), 95087#(<= ULTIMATE.start_main_~i~4 10), 95086#(<= ULTIMATE.start_main_~i~4 8), 95089#(<= ULTIMATE.start_main_~i~4 14), 95088#(<= ULTIMATE.start_main_~i~4 12), 95091#(<= ULTIMATE.start_main_~i~4 18), 95090#(<= ULTIMATE.start_main_~i~4 16), 95093#(<= ULTIMATE.start_main_~i~4 22), 95092#(<= ULTIMATE.start_main_~i~4 20), 95095#(<= ULTIMATE.start_main_~i~4 26), 95094#(<= ULTIMATE.start_main_~i~4 24), 95097#(<= ULTIMATE.start_main_~i~4 30), 95096#(<= ULTIMATE.start_main_~i~4 28), 95099#(<= ULTIMATE.start_main_~i~4 34), 95098#(<= ULTIMATE.start_main_~i~4 32), 95101#(<= ULTIMATE.start_main_~i~4 38), 95100#(<= ULTIMATE.start_main_~i~4 36), 95103#(<= ULTIMATE.start_main_~i~4 42), 95102#(<= ULTIMATE.start_main_~i~4 40), 95105#(<= ULTIMATE.start_main_~i~4 46), 95104#(<= ULTIMATE.start_main_~i~4 44), 95107#(<= ULTIMATE.start_main_~i~4 50), 95106#(<= ULTIMATE.start_main_~i~4 48), 95109#(<= ULTIMATE.start_main_~i~4 54), 95108#(<= ULTIMATE.start_main_~i~4 52), 95111#(<= ULTIMATE.start_main_~i~4 58), 95110#(<= ULTIMATE.start_main_~i~4 56), 95113#(<= ULTIMATE.start_main_~i~4 62), 95112#(<= ULTIMATE.start_main_~i~4 60), 95115#(<= ULTIMATE.start_main_~i~4 66), 95114#(<= ULTIMATE.start_main_~i~4 64), 95117#(<= ULTIMATE.start_main_~i~4 70), 95116#(<= ULTIMATE.start_main_~i~4 68), 95119#(<= ULTIMATE.start_main_~i~4 74), 95118#(<= ULTIMATE.start_main_~i~4 72), 95121#(<= ULTIMATE.start_main_~i~4 78), 95120#(<= ULTIMATE.start_main_~i~4 76), 95123#(<= ULTIMATE.start_main_~i~4 82), 95122#(<= ULTIMATE.start_main_~i~4 80), 95125#(<= ULTIMATE.start_main_~i~4 86), 95124#(<= ULTIMATE.start_main_~i~4 84), 95127#(<= ULTIMATE.start_main_~i~4 90), 95126#(<= ULTIMATE.start_main_~i~4 88), 95129#(<= ULTIMATE.start_main_~i~4 94), 95128#(<= ULTIMATE.start_main_~i~4 92), 95131#(<= ULTIMATE.start_main_~i~4 98), 95130#(<= ULTIMATE.start_main_~i~4 96), 95133#(<= ULTIMATE.start_main_~i~4 102), 95132#(<= ULTIMATE.start_main_~i~4 100), 95135#(<= ULTIMATE.start_main_~i~4 106), 95134#(<= ULTIMATE.start_main_~i~4 104), 95137#(<= ULTIMATE.start_main_~i~4 110), 95136#(<= ULTIMATE.start_main_~i~4 108), 95139#(<= ULTIMATE.start_main_~i~4 114), 95138#(<= ULTIMATE.start_main_~i~4 112), 95141#(<= ULTIMATE.start_main_~i~4 118), 95140#(<= ULTIMATE.start_main_~i~4 116), 95143#(<= ULTIMATE.start_main_~i~4 122), 95142#(<= ULTIMATE.start_main_~i~4 120), 95145#(<= ULTIMATE.start_main_~i~4 126), 95144#(<= ULTIMATE.start_main_~i~4 124), 95147#(<= ULTIMATE.start_main_~i~4 130), 95146#(<= ULTIMATE.start_main_~i~4 128), 95149#(<= ULTIMATE.start_main_~i~4 134), 95148#(<= ULTIMATE.start_main_~i~4 132), 95151#(<= ULTIMATE.start_main_~i~4 138), 95150#(<= ULTIMATE.start_main_~i~4 136), 95153#(<= ULTIMATE.start_main_~i~4 142), 95152#(<= ULTIMATE.start_main_~i~4 140), 95155#(<= ULTIMATE.start_main_~i~4 146), 95154#(<= ULTIMATE.start_main_~i~4 144), 95157#(<= ULTIMATE.start_main_~i~4 150), 95156#(<= ULTIMATE.start_main_~i~4 148), 95159#(<= ULTIMATE.start_main_~i~4 154), 95158#(<= ULTIMATE.start_main_~i~4 152), 95161#(<= ULTIMATE.start_main_~i~4 158), 95160#(<= ULTIMATE.start_main_~i~4 156), 95163#(<= ULTIMATE.start_main_~i~4 162), 95162#(<= ULTIMATE.start_main_~i~4 160), 95165#(<= ULTIMATE.start_main_~i~4 166), 95164#(<= ULTIMATE.start_main_~i~4 164), 95167#(<= ULTIMATE.start_main_~i~4 170), 95166#(<= ULTIMATE.start_main_~i~4 168), 95169#(<= ULTIMATE.start_main_~i~4 174), 95168#(<= ULTIMATE.start_main_~i~4 172), 95171#(<= ULTIMATE.start_main_~i~4 178), 95170#(<= ULTIMATE.start_main_~i~4 176), 95173#(<= ULTIMATE.start_main_~i~4 182), 95172#(<= ULTIMATE.start_main_~i~4 180), 95175#(<= ULTIMATE.start_main_~i~4 186), 95174#(<= ULTIMATE.start_main_~i~4 184), 95177#(<= ULTIMATE.start_main_~i~4 190), 95176#(<= ULTIMATE.start_main_~i~4 188), 95179#(<= ULTIMATE.start_main_~i~4 194), 95178#(<= ULTIMATE.start_main_~i~4 192), 95181#(<= ULTIMATE.start_main_~i~4 198), 95180#(<= ULTIMATE.start_main_~i~4 196), 95183#(<= ULTIMATE.start_main_~i~4 202), 95182#(<= ULTIMATE.start_main_~i~4 200), 95185#(<= ULTIMATE.start_main_~i~4 206), 95184#(<= ULTIMATE.start_main_~i~4 204), 95187#(<= ULTIMATE.start_main_~i~4 210), 95186#(<= ULTIMATE.start_main_~i~4 208), 95189#(<= ULTIMATE.start_main_~i~4 214), 95188#(<= ULTIMATE.start_main_~i~4 212), 95191#(<= ULTIMATE.start_main_~i~4 218), 95190#(<= ULTIMATE.start_main_~i~4 216), 95193#(<= ULTIMATE.start_main_~i~4 222), 95192#(<= ULTIMATE.start_main_~i~4 220), 95195#(<= ULTIMATE.start_main_~i~4 226), 95194#(<= ULTIMATE.start_main_~i~4 224), 95197#(<= ULTIMATE.start_main_~i~4 230), 95196#(<= ULTIMATE.start_main_~i~4 228), 95199#(<= ULTIMATE.start_main_~i~4 234), 95198#(<= ULTIMATE.start_main_~i~4 232), 95201#(<= ULTIMATE.start_main_~i~4 238), 95200#(<= ULTIMATE.start_main_~i~4 236), 95203#(<= ULTIMATE.start_main_~i~4 242), 95202#(<= ULTIMATE.start_main_~i~4 240), 95205#(<= ULTIMATE.start_main_~i~4 246), 95204#(<= ULTIMATE.start_main_~i~4 244), 95207#(<= ULTIMATE.start_main_~i~4 250), 95206#(<= ULTIMATE.start_main_~i~4 248), 95209#(<= ULTIMATE.start_main_~i~4 254), 95208#(<= ULTIMATE.start_main_~i~4 252), 95211#(<= ULTIMATE.start_main_~i~4 258), 95210#(<= ULTIMATE.start_main_~i~4 256), 95213#(<= ULTIMATE.start_main_~i~4 262), 95212#(<= ULTIMATE.start_main_~i~4 260), 95215#(<= ULTIMATE.start_main_~i~4 266), 95214#(<= ULTIMATE.start_main_~i~4 264), 95217#(<= ULTIMATE.start_main_~i~4 270), 95216#(<= ULTIMATE.start_main_~i~4 268), 95219#(<= ULTIMATE.start_main_~i~4 274), 95218#(<= ULTIMATE.start_main_~i~4 272), 95221#(<= ULTIMATE.start_main_~i~4 278), 95220#(<= ULTIMATE.start_main_~i~4 276), 95223#(<= ULTIMATE.start_main_~i~4 282), 95222#(<= ULTIMATE.start_main_~i~4 280), 95224#(<= ULTIMATE.start_main_~i~4 284)] [2018-07-23 13:45:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:47,494 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:45:47,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:45:47,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:45:47,497 INFO L87 Difference]: Start difference. First operand 289 states and 289 transitions. Second operand 145 states. [2018-07-23 13:45:48,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:48,052 INFO L93 Difference]: Finished difference Result 293 states and 293 transitions. [2018-07-23 13:45:48,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:45:48,052 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 288 [2018-07-23 13:45:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:48,053 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:45:48,053 INFO L226 Difference]: Without dead ends: 291 [2018-07-23 13:45:48,054 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:45:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-07-23 13:45:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-07-23 13:45:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-07-23 13:45:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 291 transitions. [2018-07-23 13:45:48,059 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 291 transitions. Word has length 288 [2018-07-23 13:45:48,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:48,059 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 291 transitions. [2018-07-23 13:45:48,059 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:45:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 291 transitions. [2018-07-23 13:45:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-07-23 13:45:48,060 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:48,060 INFO L357 BasicCegarLoop]: trace histogram [144, 143, 1, 1, 1] [2018-07-23 13:45:48,060 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:48,061 INFO L82 PathProgramCache]: Analyzing trace with hash 2110879789, now seen corresponding path program 143 times [2018-07-23 13:45:48,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,594 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:48,594 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:45:48,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,595 INFO L185 omatonBuilderFactory]: Interpolants [96513#(<= ULTIMATE.start_main_~i~4 236), 96512#(<= ULTIMATE.start_main_~i~4 234), 96515#(<= ULTIMATE.start_main_~i~4 240), 96514#(<= ULTIMATE.start_main_~i~4 238), 96517#(<= ULTIMATE.start_main_~i~4 244), 96516#(<= ULTIMATE.start_main_~i~4 242), 96519#(<= ULTIMATE.start_main_~i~4 248), 96518#(<= ULTIMATE.start_main_~i~4 246), 96521#(<= ULTIMATE.start_main_~i~4 252), 96520#(<= ULTIMATE.start_main_~i~4 250), 96523#(<= ULTIMATE.start_main_~i~4 256), 96522#(<= ULTIMATE.start_main_~i~4 254), 96525#(<= ULTIMATE.start_main_~i~4 260), 96524#(<= ULTIMATE.start_main_~i~4 258), 96527#(<= ULTIMATE.start_main_~i~4 264), 96526#(<= ULTIMATE.start_main_~i~4 262), 96529#(<= ULTIMATE.start_main_~i~4 268), 96528#(<= ULTIMATE.start_main_~i~4 266), 96531#(<= ULTIMATE.start_main_~i~4 272), 96530#(<= ULTIMATE.start_main_~i~4 270), 96533#(<= ULTIMATE.start_main_~i~4 276), 96532#(<= ULTIMATE.start_main_~i~4 274), 96535#(<= ULTIMATE.start_main_~i~4 280), 96534#(<= ULTIMATE.start_main_~i~4 278), 96537#(<= ULTIMATE.start_main_~i~4 284), 96536#(<= ULTIMATE.start_main_~i~4 282), 96538#(<= ULTIMATE.start_main_~i~4 286), 96393#true, 96395#(<= ULTIMATE.start_main_~i~4 0), 96394#false, 96397#(<= ULTIMATE.start_main_~i~4 4), 96396#(<= ULTIMATE.start_main_~i~4 2), 96399#(<= ULTIMATE.start_main_~i~4 8), 96398#(<= ULTIMATE.start_main_~i~4 6), 96401#(<= ULTIMATE.start_main_~i~4 12), 96400#(<= ULTIMATE.start_main_~i~4 10), 96403#(<= ULTIMATE.start_main_~i~4 16), 96402#(<= ULTIMATE.start_main_~i~4 14), 96405#(<= ULTIMATE.start_main_~i~4 20), 96404#(<= ULTIMATE.start_main_~i~4 18), 96407#(<= ULTIMATE.start_main_~i~4 24), 96406#(<= ULTIMATE.start_main_~i~4 22), 96409#(<= ULTIMATE.start_main_~i~4 28), 96408#(<= ULTIMATE.start_main_~i~4 26), 96411#(<= ULTIMATE.start_main_~i~4 32), 96410#(<= ULTIMATE.start_main_~i~4 30), 96413#(<= ULTIMATE.start_main_~i~4 36), 96412#(<= ULTIMATE.start_main_~i~4 34), 96415#(<= ULTIMATE.start_main_~i~4 40), 96414#(<= ULTIMATE.start_main_~i~4 38), 96417#(<= ULTIMATE.start_main_~i~4 44), 96416#(<= ULTIMATE.start_main_~i~4 42), 96419#(<= ULTIMATE.start_main_~i~4 48), 96418#(<= ULTIMATE.start_main_~i~4 46), 96421#(<= ULTIMATE.start_main_~i~4 52), 96420#(<= ULTIMATE.start_main_~i~4 50), 96423#(<= ULTIMATE.start_main_~i~4 56), 96422#(<= ULTIMATE.start_main_~i~4 54), 96425#(<= ULTIMATE.start_main_~i~4 60), 96424#(<= ULTIMATE.start_main_~i~4 58), 96427#(<= ULTIMATE.start_main_~i~4 64), 96426#(<= ULTIMATE.start_main_~i~4 62), 96429#(<= ULTIMATE.start_main_~i~4 68), 96428#(<= ULTIMATE.start_main_~i~4 66), 96431#(<= ULTIMATE.start_main_~i~4 72), 96430#(<= ULTIMATE.start_main_~i~4 70), 96433#(<= ULTIMATE.start_main_~i~4 76), 96432#(<= ULTIMATE.start_main_~i~4 74), 96435#(<= ULTIMATE.start_main_~i~4 80), 96434#(<= ULTIMATE.start_main_~i~4 78), 96437#(<= ULTIMATE.start_main_~i~4 84), 96436#(<= ULTIMATE.start_main_~i~4 82), 96439#(<= ULTIMATE.start_main_~i~4 88), 96438#(<= ULTIMATE.start_main_~i~4 86), 96441#(<= ULTIMATE.start_main_~i~4 92), 96440#(<= ULTIMATE.start_main_~i~4 90), 96443#(<= ULTIMATE.start_main_~i~4 96), 96442#(<= ULTIMATE.start_main_~i~4 94), 96445#(<= ULTIMATE.start_main_~i~4 100), 96444#(<= ULTIMATE.start_main_~i~4 98), 96447#(<= ULTIMATE.start_main_~i~4 104), 96446#(<= ULTIMATE.start_main_~i~4 102), 96449#(<= ULTIMATE.start_main_~i~4 108), 96448#(<= ULTIMATE.start_main_~i~4 106), 96451#(<= ULTIMATE.start_main_~i~4 112), 96450#(<= ULTIMATE.start_main_~i~4 110), 96453#(<= ULTIMATE.start_main_~i~4 116), 96452#(<= ULTIMATE.start_main_~i~4 114), 96455#(<= ULTIMATE.start_main_~i~4 120), 96454#(<= ULTIMATE.start_main_~i~4 118), 96457#(<= ULTIMATE.start_main_~i~4 124), 96456#(<= ULTIMATE.start_main_~i~4 122), 96459#(<= ULTIMATE.start_main_~i~4 128), 96458#(<= ULTIMATE.start_main_~i~4 126), 96461#(<= ULTIMATE.start_main_~i~4 132), 96460#(<= ULTIMATE.start_main_~i~4 130), 96463#(<= ULTIMATE.start_main_~i~4 136), 96462#(<= ULTIMATE.start_main_~i~4 134), 96465#(<= ULTIMATE.start_main_~i~4 140), 96464#(<= ULTIMATE.start_main_~i~4 138), 96467#(<= ULTIMATE.start_main_~i~4 144), 96466#(<= ULTIMATE.start_main_~i~4 142), 96469#(<= ULTIMATE.start_main_~i~4 148), 96468#(<= ULTIMATE.start_main_~i~4 146), 96471#(<= ULTIMATE.start_main_~i~4 152), 96470#(<= ULTIMATE.start_main_~i~4 150), 96473#(<= ULTIMATE.start_main_~i~4 156), 96472#(<= ULTIMATE.start_main_~i~4 154), 96475#(<= ULTIMATE.start_main_~i~4 160), 96474#(<= ULTIMATE.start_main_~i~4 158), 96477#(<= ULTIMATE.start_main_~i~4 164), 96476#(<= ULTIMATE.start_main_~i~4 162), 96479#(<= ULTIMATE.start_main_~i~4 168), 96478#(<= ULTIMATE.start_main_~i~4 166), 96481#(<= ULTIMATE.start_main_~i~4 172), 96480#(<= ULTIMATE.start_main_~i~4 170), 96483#(<= ULTIMATE.start_main_~i~4 176), 96482#(<= ULTIMATE.start_main_~i~4 174), 96485#(<= ULTIMATE.start_main_~i~4 180), 96484#(<= ULTIMATE.start_main_~i~4 178), 96487#(<= ULTIMATE.start_main_~i~4 184), 96486#(<= ULTIMATE.start_main_~i~4 182), 96489#(<= ULTIMATE.start_main_~i~4 188), 96488#(<= ULTIMATE.start_main_~i~4 186), 96491#(<= ULTIMATE.start_main_~i~4 192), 96490#(<= ULTIMATE.start_main_~i~4 190), 96493#(<= ULTIMATE.start_main_~i~4 196), 96492#(<= ULTIMATE.start_main_~i~4 194), 96495#(<= ULTIMATE.start_main_~i~4 200), 96494#(<= ULTIMATE.start_main_~i~4 198), 96497#(<= ULTIMATE.start_main_~i~4 204), 96496#(<= ULTIMATE.start_main_~i~4 202), 96499#(<= ULTIMATE.start_main_~i~4 208), 96498#(<= ULTIMATE.start_main_~i~4 206), 96501#(<= ULTIMATE.start_main_~i~4 212), 96500#(<= ULTIMATE.start_main_~i~4 210), 96503#(<= ULTIMATE.start_main_~i~4 216), 96502#(<= ULTIMATE.start_main_~i~4 214), 96505#(<= ULTIMATE.start_main_~i~4 220), 96504#(<= ULTIMATE.start_main_~i~4 218), 96507#(<= ULTIMATE.start_main_~i~4 224), 96506#(<= ULTIMATE.start_main_~i~4 222), 96509#(<= ULTIMATE.start_main_~i~4 228), 96508#(<= ULTIMATE.start_main_~i~4 226), 96511#(<= ULTIMATE.start_main_~i~4 232), 96510#(<= ULTIMATE.start_main_~i~4 230)] [2018-07-23 13:45:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,596 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:45:48,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:45:48,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:45:48,598 INFO L87 Difference]: Start difference. First operand 291 states and 291 transitions. Second operand 146 states. [2018-07-23 13:45:48,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:48,902 INFO L93 Difference]: Finished difference Result 295 states and 295 transitions. [2018-07-23 13:45:48,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:45:48,902 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 290 [2018-07-23 13:45:48,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:48,903 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:45:48,903 INFO L226 Difference]: Without dead ends: 293 [2018-07-23 13:45:48,904 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:45:48,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-07-23 13:45:48,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-07-23 13:45:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-07-23 13:45:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 293 transitions. [2018-07-23 13:45:48,907 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 293 transitions. Word has length 290 [2018-07-23 13:45:48,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:48,907 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 293 transitions. [2018-07-23 13:45:48,907 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:45:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 293 transitions. [2018-07-23 13:45:48,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-23 13:45:48,909 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:48,909 INFO L357 BasicCegarLoop]: trace histogram [145, 144, 1, 1, 1] [2018-07-23 13:45:48,909 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:48,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1330965607, now seen corresponding path program 144 times [2018-07-23 13:45:48,909 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:49,430 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:49,431 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:45:49,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:49,431 INFO L185 omatonBuilderFactory]: Interpolants [97793#(<= ULTIMATE.start_main_~i~4 152), 97792#(<= ULTIMATE.start_main_~i~4 150), 97795#(<= ULTIMATE.start_main_~i~4 156), 97794#(<= ULTIMATE.start_main_~i~4 154), 97797#(<= ULTIMATE.start_main_~i~4 160), 97796#(<= ULTIMATE.start_main_~i~4 158), 97799#(<= ULTIMATE.start_main_~i~4 164), 97798#(<= ULTIMATE.start_main_~i~4 162), 97801#(<= ULTIMATE.start_main_~i~4 168), 97800#(<= ULTIMATE.start_main_~i~4 166), 97803#(<= ULTIMATE.start_main_~i~4 172), 97802#(<= ULTIMATE.start_main_~i~4 170), 97805#(<= ULTIMATE.start_main_~i~4 176), 97804#(<= ULTIMATE.start_main_~i~4 174), 97807#(<= ULTIMATE.start_main_~i~4 180), 97806#(<= ULTIMATE.start_main_~i~4 178), 97809#(<= ULTIMATE.start_main_~i~4 184), 97808#(<= ULTIMATE.start_main_~i~4 182), 97811#(<= ULTIMATE.start_main_~i~4 188), 97810#(<= ULTIMATE.start_main_~i~4 186), 97813#(<= ULTIMATE.start_main_~i~4 192), 97812#(<= ULTIMATE.start_main_~i~4 190), 97815#(<= ULTIMATE.start_main_~i~4 196), 97814#(<= ULTIMATE.start_main_~i~4 194), 97817#(<= ULTIMATE.start_main_~i~4 200), 97816#(<= ULTIMATE.start_main_~i~4 198), 97819#(<= ULTIMATE.start_main_~i~4 204), 97818#(<= ULTIMATE.start_main_~i~4 202), 97821#(<= ULTIMATE.start_main_~i~4 208), 97820#(<= ULTIMATE.start_main_~i~4 206), 97823#(<= ULTIMATE.start_main_~i~4 212), 97822#(<= ULTIMATE.start_main_~i~4 210), 97825#(<= ULTIMATE.start_main_~i~4 216), 97824#(<= ULTIMATE.start_main_~i~4 214), 97827#(<= ULTIMATE.start_main_~i~4 220), 97826#(<= ULTIMATE.start_main_~i~4 218), 97829#(<= ULTIMATE.start_main_~i~4 224), 97828#(<= ULTIMATE.start_main_~i~4 222), 97831#(<= ULTIMATE.start_main_~i~4 228), 97830#(<= ULTIMATE.start_main_~i~4 226), 97833#(<= ULTIMATE.start_main_~i~4 232), 97832#(<= ULTIMATE.start_main_~i~4 230), 97835#(<= ULTIMATE.start_main_~i~4 236), 97834#(<= ULTIMATE.start_main_~i~4 234), 97837#(<= ULTIMATE.start_main_~i~4 240), 97836#(<= ULTIMATE.start_main_~i~4 238), 97839#(<= ULTIMATE.start_main_~i~4 244), 97838#(<= ULTIMATE.start_main_~i~4 242), 97841#(<= ULTIMATE.start_main_~i~4 248), 97840#(<= ULTIMATE.start_main_~i~4 246), 97843#(<= ULTIMATE.start_main_~i~4 252), 97842#(<= ULTIMATE.start_main_~i~4 250), 97845#(<= ULTIMATE.start_main_~i~4 256), 97844#(<= ULTIMATE.start_main_~i~4 254), 97847#(<= ULTIMATE.start_main_~i~4 260), 97846#(<= ULTIMATE.start_main_~i~4 258), 97849#(<= ULTIMATE.start_main_~i~4 264), 97848#(<= ULTIMATE.start_main_~i~4 262), 97851#(<= ULTIMATE.start_main_~i~4 268), 97850#(<= ULTIMATE.start_main_~i~4 266), 97853#(<= ULTIMATE.start_main_~i~4 272), 97852#(<= ULTIMATE.start_main_~i~4 270), 97855#(<= ULTIMATE.start_main_~i~4 276), 97854#(<= ULTIMATE.start_main_~i~4 274), 97857#(<= ULTIMATE.start_main_~i~4 280), 97856#(<= ULTIMATE.start_main_~i~4 278), 97859#(<= ULTIMATE.start_main_~i~4 284), 97858#(<= ULTIMATE.start_main_~i~4 282), 97861#(<= ULTIMATE.start_main_~i~4 288), 97860#(<= ULTIMATE.start_main_~i~4 286), 97715#true, 97717#(<= ULTIMATE.start_main_~i~4 0), 97716#false, 97719#(<= ULTIMATE.start_main_~i~4 4), 97718#(<= ULTIMATE.start_main_~i~4 2), 97721#(<= ULTIMATE.start_main_~i~4 8), 97720#(<= ULTIMATE.start_main_~i~4 6), 97723#(<= ULTIMATE.start_main_~i~4 12), 97722#(<= ULTIMATE.start_main_~i~4 10), 97725#(<= ULTIMATE.start_main_~i~4 16), 97724#(<= ULTIMATE.start_main_~i~4 14), 97727#(<= ULTIMATE.start_main_~i~4 20), 97726#(<= ULTIMATE.start_main_~i~4 18), 97729#(<= ULTIMATE.start_main_~i~4 24), 97728#(<= ULTIMATE.start_main_~i~4 22), 97731#(<= ULTIMATE.start_main_~i~4 28), 97730#(<= ULTIMATE.start_main_~i~4 26), 97733#(<= ULTIMATE.start_main_~i~4 32), 97732#(<= ULTIMATE.start_main_~i~4 30), 97735#(<= ULTIMATE.start_main_~i~4 36), 97734#(<= ULTIMATE.start_main_~i~4 34), 97737#(<= ULTIMATE.start_main_~i~4 40), 97736#(<= ULTIMATE.start_main_~i~4 38), 97739#(<= ULTIMATE.start_main_~i~4 44), 97738#(<= ULTIMATE.start_main_~i~4 42), 97741#(<= ULTIMATE.start_main_~i~4 48), 97740#(<= ULTIMATE.start_main_~i~4 46), 97743#(<= ULTIMATE.start_main_~i~4 52), 97742#(<= ULTIMATE.start_main_~i~4 50), 97745#(<= ULTIMATE.start_main_~i~4 56), 97744#(<= ULTIMATE.start_main_~i~4 54), 97747#(<= ULTIMATE.start_main_~i~4 60), 97746#(<= ULTIMATE.start_main_~i~4 58), 97749#(<= ULTIMATE.start_main_~i~4 64), 97748#(<= ULTIMATE.start_main_~i~4 62), 97751#(<= ULTIMATE.start_main_~i~4 68), 97750#(<= ULTIMATE.start_main_~i~4 66), 97753#(<= ULTIMATE.start_main_~i~4 72), 97752#(<= ULTIMATE.start_main_~i~4 70), 97755#(<= ULTIMATE.start_main_~i~4 76), 97754#(<= ULTIMATE.start_main_~i~4 74), 97757#(<= ULTIMATE.start_main_~i~4 80), 97756#(<= ULTIMATE.start_main_~i~4 78), 97759#(<= ULTIMATE.start_main_~i~4 84), 97758#(<= ULTIMATE.start_main_~i~4 82), 97761#(<= ULTIMATE.start_main_~i~4 88), 97760#(<= ULTIMATE.start_main_~i~4 86), 97763#(<= ULTIMATE.start_main_~i~4 92), 97762#(<= ULTIMATE.start_main_~i~4 90), 97765#(<= ULTIMATE.start_main_~i~4 96), 97764#(<= ULTIMATE.start_main_~i~4 94), 97767#(<= ULTIMATE.start_main_~i~4 100), 97766#(<= ULTIMATE.start_main_~i~4 98), 97769#(<= ULTIMATE.start_main_~i~4 104), 97768#(<= ULTIMATE.start_main_~i~4 102), 97771#(<= ULTIMATE.start_main_~i~4 108), 97770#(<= ULTIMATE.start_main_~i~4 106), 97773#(<= ULTIMATE.start_main_~i~4 112), 97772#(<= ULTIMATE.start_main_~i~4 110), 97775#(<= ULTIMATE.start_main_~i~4 116), 97774#(<= ULTIMATE.start_main_~i~4 114), 97777#(<= ULTIMATE.start_main_~i~4 120), 97776#(<= ULTIMATE.start_main_~i~4 118), 97779#(<= ULTIMATE.start_main_~i~4 124), 97778#(<= ULTIMATE.start_main_~i~4 122), 97781#(<= ULTIMATE.start_main_~i~4 128), 97780#(<= ULTIMATE.start_main_~i~4 126), 97783#(<= ULTIMATE.start_main_~i~4 132), 97782#(<= ULTIMATE.start_main_~i~4 130), 97785#(<= ULTIMATE.start_main_~i~4 136), 97784#(<= ULTIMATE.start_main_~i~4 134), 97787#(<= ULTIMATE.start_main_~i~4 140), 97786#(<= ULTIMATE.start_main_~i~4 138), 97789#(<= ULTIMATE.start_main_~i~4 144), 97788#(<= ULTIMATE.start_main_~i~4 142), 97791#(<= ULTIMATE.start_main_~i~4 148), 97790#(<= ULTIMATE.start_main_~i~4 146)] [2018-07-23 13:45:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:49,432 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:45:49,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:45:49,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:45:49,434 INFO L87 Difference]: Start difference. First operand 293 states and 293 transitions. Second operand 147 states. [2018-07-23 13:45:49,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:49,614 INFO L93 Difference]: Finished difference Result 297 states and 297 transitions. [2018-07-23 13:45:49,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:45:49,614 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 292 [2018-07-23 13:45:49,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:49,615 INFO L225 Difference]: With dead ends: 297 [2018-07-23 13:45:49,615 INFO L226 Difference]: Without dead ends: 295 [2018-07-23 13:45:49,616 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:45:49,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-23 13:45:49,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-07-23 13:45:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-07-23 13:45:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 295 transitions. [2018-07-23 13:45:49,619 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 295 transitions. Word has length 292 [2018-07-23 13:45:49,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:49,619 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 295 transitions. [2018-07-23 13:45:49,619 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:45:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 295 transitions. [2018-07-23 13:45:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-23 13:45:49,620 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:49,620 INFO L357 BasicCegarLoop]: trace histogram [146, 145, 1, 1, 1] [2018-07-23 13:45:49,621 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:49,621 INFO L82 PathProgramCache]: Analyzing trace with hash -842253791, now seen corresponding path program 145 times [2018-07-23 13:45:49,621 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:50,213 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:50,213 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:45:50,213 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:50,213 INFO L185 omatonBuilderFactory]: Interpolants [99073#(<= ULTIMATE.start_main_~i~4 50), 99072#(<= ULTIMATE.start_main_~i~4 48), 99075#(<= ULTIMATE.start_main_~i~4 54), 99074#(<= ULTIMATE.start_main_~i~4 52), 99077#(<= ULTIMATE.start_main_~i~4 58), 99076#(<= ULTIMATE.start_main_~i~4 56), 99079#(<= ULTIMATE.start_main_~i~4 62), 99078#(<= ULTIMATE.start_main_~i~4 60), 99081#(<= ULTIMATE.start_main_~i~4 66), 99080#(<= ULTIMATE.start_main_~i~4 64), 99083#(<= ULTIMATE.start_main_~i~4 70), 99082#(<= ULTIMATE.start_main_~i~4 68), 99085#(<= ULTIMATE.start_main_~i~4 74), 99084#(<= ULTIMATE.start_main_~i~4 72), 99087#(<= ULTIMATE.start_main_~i~4 78), 99086#(<= ULTIMATE.start_main_~i~4 76), 99089#(<= ULTIMATE.start_main_~i~4 82), 99088#(<= ULTIMATE.start_main_~i~4 80), 99091#(<= ULTIMATE.start_main_~i~4 86), 99090#(<= ULTIMATE.start_main_~i~4 84), 99093#(<= ULTIMATE.start_main_~i~4 90), 99092#(<= ULTIMATE.start_main_~i~4 88), 99095#(<= ULTIMATE.start_main_~i~4 94), 99094#(<= ULTIMATE.start_main_~i~4 92), 99097#(<= ULTIMATE.start_main_~i~4 98), 99096#(<= ULTIMATE.start_main_~i~4 96), 99099#(<= ULTIMATE.start_main_~i~4 102), 99098#(<= ULTIMATE.start_main_~i~4 100), 99101#(<= ULTIMATE.start_main_~i~4 106), 99100#(<= ULTIMATE.start_main_~i~4 104), 99103#(<= ULTIMATE.start_main_~i~4 110), 99102#(<= ULTIMATE.start_main_~i~4 108), 99105#(<= ULTIMATE.start_main_~i~4 114), 99104#(<= ULTIMATE.start_main_~i~4 112), 99107#(<= ULTIMATE.start_main_~i~4 118), 99106#(<= ULTIMATE.start_main_~i~4 116), 99109#(<= ULTIMATE.start_main_~i~4 122), 99108#(<= ULTIMATE.start_main_~i~4 120), 99111#(<= ULTIMATE.start_main_~i~4 126), 99110#(<= ULTIMATE.start_main_~i~4 124), 99113#(<= ULTIMATE.start_main_~i~4 130), 99112#(<= ULTIMATE.start_main_~i~4 128), 99115#(<= ULTIMATE.start_main_~i~4 134), 99114#(<= ULTIMATE.start_main_~i~4 132), 99117#(<= ULTIMATE.start_main_~i~4 138), 99116#(<= ULTIMATE.start_main_~i~4 136), 99119#(<= ULTIMATE.start_main_~i~4 142), 99118#(<= ULTIMATE.start_main_~i~4 140), 99121#(<= ULTIMATE.start_main_~i~4 146), 99120#(<= ULTIMATE.start_main_~i~4 144), 99123#(<= ULTIMATE.start_main_~i~4 150), 99122#(<= ULTIMATE.start_main_~i~4 148), 99125#(<= ULTIMATE.start_main_~i~4 154), 99124#(<= ULTIMATE.start_main_~i~4 152), 99127#(<= ULTIMATE.start_main_~i~4 158), 99126#(<= ULTIMATE.start_main_~i~4 156), 99129#(<= ULTIMATE.start_main_~i~4 162), 99128#(<= ULTIMATE.start_main_~i~4 160), 99131#(<= ULTIMATE.start_main_~i~4 166), 99130#(<= ULTIMATE.start_main_~i~4 164), 99133#(<= ULTIMATE.start_main_~i~4 170), 99132#(<= ULTIMATE.start_main_~i~4 168), 99135#(<= ULTIMATE.start_main_~i~4 174), 99134#(<= ULTIMATE.start_main_~i~4 172), 99137#(<= ULTIMATE.start_main_~i~4 178), 99136#(<= ULTIMATE.start_main_~i~4 176), 99139#(<= ULTIMATE.start_main_~i~4 182), 99138#(<= ULTIMATE.start_main_~i~4 180), 99141#(<= ULTIMATE.start_main_~i~4 186), 99140#(<= ULTIMATE.start_main_~i~4 184), 99143#(<= ULTIMATE.start_main_~i~4 190), 99142#(<= ULTIMATE.start_main_~i~4 188), 99145#(<= ULTIMATE.start_main_~i~4 194), 99144#(<= ULTIMATE.start_main_~i~4 192), 99147#(<= ULTIMATE.start_main_~i~4 198), 99146#(<= ULTIMATE.start_main_~i~4 196), 99149#(<= ULTIMATE.start_main_~i~4 202), 99148#(<= ULTIMATE.start_main_~i~4 200), 99151#(<= ULTIMATE.start_main_~i~4 206), 99150#(<= ULTIMATE.start_main_~i~4 204), 99153#(<= ULTIMATE.start_main_~i~4 210), 99152#(<= ULTIMATE.start_main_~i~4 208), 99155#(<= ULTIMATE.start_main_~i~4 214), 99154#(<= ULTIMATE.start_main_~i~4 212), 99157#(<= ULTIMATE.start_main_~i~4 218), 99156#(<= ULTIMATE.start_main_~i~4 216), 99159#(<= ULTIMATE.start_main_~i~4 222), 99158#(<= ULTIMATE.start_main_~i~4 220), 99161#(<= ULTIMATE.start_main_~i~4 226), 99160#(<= ULTIMATE.start_main_~i~4 224), 99163#(<= ULTIMATE.start_main_~i~4 230), 99162#(<= ULTIMATE.start_main_~i~4 228), 99165#(<= ULTIMATE.start_main_~i~4 234), 99164#(<= ULTIMATE.start_main_~i~4 232), 99167#(<= ULTIMATE.start_main_~i~4 238), 99166#(<= ULTIMATE.start_main_~i~4 236), 99169#(<= ULTIMATE.start_main_~i~4 242), 99168#(<= ULTIMATE.start_main_~i~4 240), 99171#(<= ULTIMATE.start_main_~i~4 246), 99170#(<= ULTIMATE.start_main_~i~4 244), 99173#(<= ULTIMATE.start_main_~i~4 250), 99172#(<= ULTIMATE.start_main_~i~4 248), 99175#(<= ULTIMATE.start_main_~i~4 254), 99174#(<= ULTIMATE.start_main_~i~4 252), 99177#(<= ULTIMATE.start_main_~i~4 258), 99176#(<= ULTIMATE.start_main_~i~4 256), 99179#(<= ULTIMATE.start_main_~i~4 262), 99178#(<= ULTIMATE.start_main_~i~4 260), 99181#(<= ULTIMATE.start_main_~i~4 266), 99180#(<= ULTIMATE.start_main_~i~4 264), 99183#(<= ULTIMATE.start_main_~i~4 270), 99182#(<= ULTIMATE.start_main_~i~4 268), 99185#(<= ULTIMATE.start_main_~i~4 274), 99184#(<= ULTIMATE.start_main_~i~4 272), 99187#(<= ULTIMATE.start_main_~i~4 278), 99186#(<= ULTIMATE.start_main_~i~4 276), 99189#(<= ULTIMATE.start_main_~i~4 282), 99188#(<= ULTIMATE.start_main_~i~4 280), 99191#(<= ULTIMATE.start_main_~i~4 286), 99190#(<= ULTIMATE.start_main_~i~4 284), 99193#(<= ULTIMATE.start_main_~i~4 290), 99192#(<= ULTIMATE.start_main_~i~4 288), 99047#false, 99046#true, 99049#(<= ULTIMATE.start_main_~i~4 2), 99048#(<= ULTIMATE.start_main_~i~4 0), 99051#(<= ULTIMATE.start_main_~i~4 6), 99050#(<= ULTIMATE.start_main_~i~4 4), 99053#(<= ULTIMATE.start_main_~i~4 10), 99052#(<= ULTIMATE.start_main_~i~4 8), 99055#(<= ULTIMATE.start_main_~i~4 14), 99054#(<= ULTIMATE.start_main_~i~4 12), 99057#(<= ULTIMATE.start_main_~i~4 18), 99056#(<= ULTIMATE.start_main_~i~4 16), 99059#(<= ULTIMATE.start_main_~i~4 22), 99058#(<= ULTIMATE.start_main_~i~4 20), 99061#(<= ULTIMATE.start_main_~i~4 26), 99060#(<= ULTIMATE.start_main_~i~4 24), 99063#(<= ULTIMATE.start_main_~i~4 30), 99062#(<= ULTIMATE.start_main_~i~4 28), 99065#(<= ULTIMATE.start_main_~i~4 34), 99064#(<= ULTIMATE.start_main_~i~4 32), 99067#(<= ULTIMATE.start_main_~i~4 38), 99066#(<= ULTIMATE.start_main_~i~4 36), 99069#(<= ULTIMATE.start_main_~i~4 42), 99068#(<= ULTIMATE.start_main_~i~4 40), 99071#(<= ULTIMATE.start_main_~i~4 46), 99070#(<= ULTIMATE.start_main_~i~4 44)] [2018-07-23 13:45:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:50,215 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:45:50,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:45:50,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:45:50,217 INFO L87 Difference]: Start difference. First operand 295 states and 295 transitions. Second operand 148 states. [2018-07-23 13:45:50,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:50,738 INFO L93 Difference]: Finished difference Result 299 states and 299 transitions. [2018-07-23 13:45:50,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:45:50,738 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 294 [2018-07-23 13:45:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:50,739 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:45:50,739 INFO L226 Difference]: Without dead ends: 297 [2018-07-23 13:45:50,740 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:45:50,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-07-23 13:45:50,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-07-23 13:45:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-07-23 13:45:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 297 transitions. [2018-07-23 13:45:50,743 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 297 transitions. Word has length 294 [2018-07-23 13:45:50,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:50,744 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 297 transitions. [2018-07-23 13:45:50,744 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:45:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 297 transitions. [2018-07-23 13:45:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-07-23 13:45:50,744 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:50,744 INFO L357 BasicCegarLoop]: trace histogram [147, 146, 1, 1, 1] [2018-07-23 13:45:50,745 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:50,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1951989413, now seen corresponding path program 146 times [2018-07-23 13:45:50,745 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,402 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:51,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:45:51,403 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,403 INFO L185 omatonBuilderFactory]: Interpolants [100387#false, 100386#true, 100389#(<= ULTIMATE.start_main_~i~4 2), 100388#(<= ULTIMATE.start_main_~i~4 0), 100391#(<= ULTIMATE.start_main_~i~4 6), 100390#(<= ULTIMATE.start_main_~i~4 4), 100393#(<= ULTIMATE.start_main_~i~4 10), 100392#(<= ULTIMATE.start_main_~i~4 8), 100395#(<= ULTIMATE.start_main_~i~4 14), 100394#(<= ULTIMATE.start_main_~i~4 12), 100397#(<= ULTIMATE.start_main_~i~4 18), 100396#(<= ULTIMATE.start_main_~i~4 16), 100399#(<= ULTIMATE.start_main_~i~4 22), 100398#(<= ULTIMATE.start_main_~i~4 20), 100401#(<= ULTIMATE.start_main_~i~4 26), 100400#(<= ULTIMATE.start_main_~i~4 24), 100403#(<= ULTIMATE.start_main_~i~4 30), 100402#(<= ULTIMATE.start_main_~i~4 28), 100405#(<= ULTIMATE.start_main_~i~4 34), 100404#(<= ULTIMATE.start_main_~i~4 32), 100407#(<= ULTIMATE.start_main_~i~4 38), 100406#(<= ULTIMATE.start_main_~i~4 36), 100409#(<= ULTIMATE.start_main_~i~4 42), 100408#(<= ULTIMATE.start_main_~i~4 40), 100411#(<= ULTIMATE.start_main_~i~4 46), 100410#(<= ULTIMATE.start_main_~i~4 44), 100413#(<= ULTIMATE.start_main_~i~4 50), 100412#(<= ULTIMATE.start_main_~i~4 48), 100415#(<= ULTIMATE.start_main_~i~4 54), 100414#(<= ULTIMATE.start_main_~i~4 52), 100417#(<= ULTIMATE.start_main_~i~4 58), 100416#(<= ULTIMATE.start_main_~i~4 56), 100419#(<= ULTIMATE.start_main_~i~4 62), 100418#(<= ULTIMATE.start_main_~i~4 60), 100421#(<= ULTIMATE.start_main_~i~4 66), 100420#(<= ULTIMATE.start_main_~i~4 64), 100423#(<= ULTIMATE.start_main_~i~4 70), 100422#(<= ULTIMATE.start_main_~i~4 68), 100425#(<= ULTIMATE.start_main_~i~4 74), 100424#(<= ULTIMATE.start_main_~i~4 72), 100427#(<= ULTIMATE.start_main_~i~4 78), 100426#(<= ULTIMATE.start_main_~i~4 76), 100429#(<= ULTIMATE.start_main_~i~4 82), 100428#(<= ULTIMATE.start_main_~i~4 80), 100431#(<= ULTIMATE.start_main_~i~4 86), 100430#(<= ULTIMATE.start_main_~i~4 84), 100433#(<= ULTIMATE.start_main_~i~4 90), 100432#(<= ULTIMATE.start_main_~i~4 88), 100435#(<= ULTIMATE.start_main_~i~4 94), 100434#(<= ULTIMATE.start_main_~i~4 92), 100437#(<= ULTIMATE.start_main_~i~4 98), 100436#(<= ULTIMATE.start_main_~i~4 96), 100439#(<= ULTIMATE.start_main_~i~4 102), 100438#(<= ULTIMATE.start_main_~i~4 100), 100441#(<= ULTIMATE.start_main_~i~4 106), 100440#(<= ULTIMATE.start_main_~i~4 104), 100443#(<= ULTIMATE.start_main_~i~4 110), 100442#(<= ULTIMATE.start_main_~i~4 108), 100445#(<= ULTIMATE.start_main_~i~4 114), 100444#(<= ULTIMATE.start_main_~i~4 112), 100447#(<= ULTIMATE.start_main_~i~4 118), 100446#(<= ULTIMATE.start_main_~i~4 116), 100449#(<= ULTIMATE.start_main_~i~4 122), 100448#(<= ULTIMATE.start_main_~i~4 120), 100451#(<= ULTIMATE.start_main_~i~4 126), 100450#(<= ULTIMATE.start_main_~i~4 124), 100453#(<= ULTIMATE.start_main_~i~4 130), 100452#(<= ULTIMATE.start_main_~i~4 128), 100455#(<= ULTIMATE.start_main_~i~4 134), 100454#(<= ULTIMATE.start_main_~i~4 132), 100457#(<= ULTIMATE.start_main_~i~4 138), 100456#(<= ULTIMATE.start_main_~i~4 136), 100459#(<= ULTIMATE.start_main_~i~4 142), 100458#(<= ULTIMATE.start_main_~i~4 140), 100461#(<= ULTIMATE.start_main_~i~4 146), 100460#(<= ULTIMATE.start_main_~i~4 144), 100463#(<= ULTIMATE.start_main_~i~4 150), 100462#(<= ULTIMATE.start_main_~i~4 148), 100465#(<= ULTIMATE.start_main_~i~4 154), 100464#(<= ULTIMATE.start_main_~i~4 152), 100467#(<= ULTIMATE.start_main_~i~4 158), 100466#(<= ULTIMATE.start_main_~i~4 156), 100469#(<= ULTIMATE.start_main_~i~4 162), 100468#(<= ULTIMATE.start_main_~i~4 160), 100471#(<= ULTIMATE.start_main_~i~4 166), 100470#(<= ULTIMATE.start_main_~i~4 164), 100473#(<= ULTIMATE.start_main_~i~4 170), 100472#(<= ULTIMATE.start_main_~i~4 168), 100475#(<= ULTIMATE.start_main_~i~4 174), 100474#(<= ULTIMATE.start_main_~i~4 172), 100477#(<= ULTIMATE.start_main_~i~4 178), 100476#(<= ULTIMATE.start_main_~i~4 176), 100479#(<= ULTIMATE.start_main_~i~4 182), 100478#(<= ULTIMATE.start_main_~i~4 180), 100481#(<= ULTIMATE.start_main_~i~4 186), 100480#(<= ULTIMATE.start_main_~i~4 184), 100483#(<= ULTIMATE.start_main_~i~4 190), 100482#(<= ULTIMATE.start_main_~i~4 188), 100485#(<= ULTIMATE.start_main_~i~4 194), 100484#(<= ULTIMATE.start_main_~i~4 192), 100487#(<= ULTIMATE.start_main_~i~4 198), 100486#(<= ULTIMATE.start_main_~i~4 196), 100489#(<= ULTIMATE.start_main_~i~4 202), 100488#(<= ULTIMATE.start_main_~i~4 200), 100491#(<= ULTIMATE.start_main_~i~4 206), 100490#(<= ULTIMATE.start_main_~i~4 204), 100493#(<= ULTIMATE.start_main_~i~4 210), 100492#(<= ULTIMATE.start_main_~i~4 208), 100495#(<= ULTIMATE.start_main_~i~4 214), 100494#(<= ULTIMATE.start_main_~i~4 212), 100497#(<= ULTIMATE.start_main_~i~4 218), 100496#(<= ULTIMATE.start_main_~i~4 216), 100499#(<= ULTIMATE.start_main_~i~4 222), 100498#(<= ULTIMATE.start_main_~i~4 220), 100501#(<= ULTIMATE.start_main_~i~4 226), 100500#(<= ULTIMATE.start_main_~i~4 224), 100503#(<= ULTIMATE.start_main_~i~4 230), 100502#(<= ULTIMATE.start_main_~i~4 228), 100505#(<= ULTIMATE.start_main_~i~4 234), 100504#(<= ULTIMATE.start_main_~i~4 232), 100507#(<= ULTIMATE.start_main_~i~4 238), 100506#(<= ULTIMATE.start_main_~i~4 236), 100509#(<= ULTIMATE.start_main_~i~4 242), 100508#(<= ULTIMATE.start_main_~i~4 240), 100511#(<= ULTIMATE.start_main_~i~4 246), 100510#(<= ULTIMATE.start_main_~i~4 244), 100513#(<= ULTIMATE.start_main_~i~4 250), 100512#(<= ULTIMATE.start_main_~i~4 248), 100515#(<= ULTIMATE.start_main_~i~4 254), 100514#(<= ULTIMATE.start_main_~i~4 252), 100517#(<= ULTIMATE.start_main_~i~4 258), 100516#(<= ULTIMATE.start_main_~i~4 256), 100519#(<= ULTIMATE.start_main_~i~4 262), 100518#(<= ULTIMATE.start_main_~i~4 260), 100521#(<= ULTIMATE.start_main_~i~4 266), 100520#(<= ULTIMATE.start_main_~i~4 264), 100523#(<= ULTIMATE.start_main_~i~4 270), 100522#(<= ULTIMATE.start_main_~i~4 268), 100525#(<= ULTIMATE.start_main_~i~4 274), 100524#(<= ULTIMATE.start_main_~i~4 272), 100527#(<= ULTIMATE.start_main_~i~4 278), 100526#(<= ULTIMATE.start_main_~i~4 276), 100529#(<= ULTIMATE.start_main_~i~4 282), 100528#(<= ULTIMATE.start_main_~i~4 280), 100531#(<= ULTIMATE.start_main_~i~4 286), 100530#(<= ULTIMATE.start_main_~i~4 284), 100533#(<= ULTIMATE.start_main_~i~4 290), 100532#(<= ULTIMATE.start_main_~i~4 288), 100534#(<= ULTIMATE.start_main_~i~4 292)] [2018-07-23 13:45:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,404 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:45:51,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:45:51,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:45:51,406 INFO L87 Difference]: Start difference. First operand 297 states and 297 transitions. Second operand 149 states. [2018-07-23 13:45:51,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:51,951 INFO L93 Difference]: Finished difference Result 301 states and 301 transitions. [2018-07-23 13:45:51,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:45:51,951 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 296 [2018-07-23 13:45:51,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:51,952 INFO L225 Difference]: With dead ends: 301 [2018-07-23 13:45:51,952 INFO L226 Difference]: Without dead ends: 299 [2018-07-23 13:45:51,953 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:45:51,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-07-23 13:45:51,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-07-23 13:45:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-07-23 13:45:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 299 transitions. [2018-07-23 13:45:51,957 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 299 transitions. Word has length 296 [2018-07-23 13:45:51,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:51,957 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 299 transitions. [2018-07-23 13:45:51,957 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:45:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 299 transitions. [2018-07-23 13:45:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-07-23 13:45:51,958 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:51,959 INFO L357 BasicCegarLoop]: trace histogram [148, 147, 1, 1, 1] [2018-07-23 13:45:51,959 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:51,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1038934549, now seen corresponding path program 147 times [2018-07-23 13:45:51,959 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,566 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,566 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:45:52,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,566 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 13:45:52,566 INFO L185 omatonBuilderFactory]: Interpolants [101735#true, 101737#(<= ULTIMATE.start_main_~i~4 0), 101736#false, 101739#(<= ULTIMATE.start_main_~i~4 4), 101738#(<= ULTIMATE.start_main_~i~4 2), 101741#(<= ULTIMATE.start_main_~i~4 8), 101740#(<= ULTIMATE.start_main_~i~4 6), 101743#(<= ULTIMATE.start_main_~i~4 12), 101742#(<= ULTIMATE.start_main_~i~4 10), 101745#(<= ULTIMATE.start_main_~i~4 16), 101744#(<= ULTIMATE.start_main_~i~4 14), 101747#(<= ULTIMATE.start_main_~i~4 20), 101746#(<= ULTIMATE.start_main_~i~4 18), 101749#(<= ULTIMATE.start_main_~i~4 24), 101748#(<= ULTIMATE.start_main_~i~4 22), 101751#(<= ULTIMATE.start_main_~i~4 28), 101750#(<= ULTIMATE.start_main_~i~4 26), 101753#(<= ULTIMATE.start_main_~i~4 32), 101752#(<= ULTIMATE.start_main_~i~4 30), 101755#(<= ULTIMATE.start_main_~i~4 36), 101754#(<= ULTIMATE.start_main_~i~4 34), 101757#(<= ULTIMATE.start_main_~i~4 40), 101756#(<= ULTIMATE.start_main_~i~4 38), 101759#(<= ULTIMATE.start_main_~i~4 44), 101758#(<= ULTIMATE.start_main_~i~4 42), 101761#(<= ULTIMATE.start_main_~i~4 48), 101760#(<= ULTIMATE.start_main_~i~4 46), 101763#(<= ULTIMATE.start_main_~i~4 52), 101762#(<= ULTIMATE.start_main_~i~4 50), 101765#(<= ULTIMATE.start_main_~i~4 56), 101764#(<= ULTIMATE.start_main_~i~4 54), 101767#(<= ULTIMATE.start_main_~i~4 60), 101766#(<= ULTIMATE.start_main_~i~4 58), 101769#(<= ULTIMATE.start_main_~i~4 64), 101768#(<= ULTIMATE.start_main_~i~4 62), 101771#(<= ULTIMATE.start_main_~i~4 68), 101770#(<= ULTIMATE.start_main_~i~4 66), 101773#(<= ULTIMATE.start_main_~i~4 72), 101772#(<= ULTIMATE.start_main_~i~4 70), 101775#(<= ULTIMATE.start_main_~i~4 76), 101774#(<= ULTIMATE.start_main_~i~4 74), 101777#(<= ULTIMATE.start_main_~i~4 80), 101776#(<= ULTIMATE.start_main_~i~4 78), 101779#(<= ULTIMATE.start_main_~i~4 84), 101778#(<= ULTIMATE.start_main_~i~4 82), 101781#(<= ULTIMATE.start_main_~i~4 88), 101780#(<= ULTIMATE.start_main_~i~4 86), 101783#(<= ULTIMATE.start_main_~i~4 92), 101782#(<= ULTIMATE.start_main_~i~4 90), 101785#(<= ULTIMATE.start_main_~i~4 96), 101784#(<= ULTIMATE.start_main_~i~4 94), 101787#(<= ULTIMATE.start_main_~i~4 100), 101786#(<= ULTIMATE.start_main_~i~4 98), 101789#(<= ULTIMATE.start_main_~i~4 104), 101788#(<= ULTIMATE.start_main_~i~4 102), 101791#(<= ULTIMATE.start_main_~i~4 108), 101790#(<= ULTIMATE.start_main_~i~4 106), 101793#(<= ULTIMATE.start_main_~i~4 112), 101792#(<= ULTIMATE.start_main_~i~4 110), 101795#(<= ULTIMATE.start_main_~i~4 116), 101794#(<= ULTIMATE.start_main_~i~4 114), 101797#(<= ULTIMATE.start_main_~i~4 120), 101796#(<= ULTIMATE.start_main_~i~4 118), 101799#(<= ULTIMATE.start_main_~i~4 124), 101798#(<= ULTIMATE.start_main_~i~4 122), 101801#(<= ULTIMATE.start_main_~i~4 128), 101800#(<= ULTIMATE.start_main_~i~4 126), 101803#(<= ULTIMATE.start_main_~i~4 132), 101802#(<= ULTIMATE.start_main_~i~4 130), 101805#(<= ULTIMATE.start_main_~i~4 136), 101804#(<= ULTIMATE.start_main_~i~4 134), 101807#(<= ULTIMATE.start_main_~i~4 140), 101806#(<= ULTIMATE.start_main_~i~4 138), 101809#(<= ULTIMATE.start_main_~i~4 144), 101808#(<= ULTIMATE.start_main_~i~4 142), 101811#(<= ULTIMATE.start_main_~i~4 148), 101810#(<= ULTIMATE.start_main_~i~4 146), 101813#(<= ULTIMATE.start_main_~i~4 152), 101812#(<= ULTIMATE.start_main_~i~4 150), 101815#(<= ULTIMATE.start_main_~i~4 156), 101814#(<= ULTIMATE.start_main_~i~4 154), 101817#(<= ULTIMATE.start_main_~i~4 160), 101816#(<= ULTIMATE.start_main_~i~4 158), 101819#(<= ULTIMATE.start_main_~i~4 164), 101818#(<= ULTIMATE.start_main_~i~4 162), 101821#(<= ULTIMATE.start_main_~i~4 168), 101820#(<= ULTIMATE.start_main_~i~4 166), 101823#(<= ULTIMATE.start_main_~i~4 172), 101822#(<= ULTIMATE.start_main_~i~4 170), 101825#(<= ULTIMATE.start_main_~i~4 176), 101824#(<= ULTIMATE.start_main_~i~4 174), 101827#(<= ULTIMATE.start_main_~i~4 180), 101826#(<= ULTIMATE.start_main_~i~4 178), 101829#(<= ULTIMATE.start_main_~i~4 184), 101828#(<= ULTIMATE.start_main_~i~4 182), 101831#(<= ULTIMATE.start_main_~i~4 188), 101830#(<= ULTIMATE.start_main_~i~4 186), 101833#(<= ULTIMATE.start_main_~i~4 192), 101832#(<= ULTIMATE.start_main_~i~4 190), 101835#(<= ULTIMATE.start_main_~i~4 196), 101834#(<= ULTIMATE.start_main_~i~4 194), 101837#(<= ULTIMATE.start_main_~i~4 200), 101836#(<= ULTIMATE.start_main_~i~4 198), 101839#(<= ULTIMATE.start_main_~i~4 204), 101838#(<= ULTIMATE.start_main_~i~4 202), 101841#(<= ULTIMATE.start_main_~i~4 208), 101840#(<= ULTIMATE.start_main_~i~4 206), 101843#(<= ULTIMATE.start_main_~i~4 212), 101842#(<= ULTIMATE.start_main_~i~4 210), 101845#(<= ULTIMATE.start_main_~i~4 216), 101844#(<= ULTIMATE.start_main_~i~4 214), 101847#(<= ULTIMATE.start_main_~i~4 220), 101846#(<= ULTIMATE.start_main_~i~4 218), 101849#(<= ULTIMATE.start_main_~i~4 224), 101848#(<= ULTIMATE.start_main_~i~4 222), 101851#(<= ULTIMATE.start_main_~i~4 228), 101850#(<= ULTIMATE.start_main_~i~4 226), 101853#(<= ULTIMATE.start_main_~i~4 232), 101852#(<= ULTIMATE.start_main_~i~4 230), 101855#(<= ULTIMATE.start_main_~i~4 236), 101854#(<= ULTIMATE.start_main_~i~4 234), 101857#(<= ULTIMATE.start_main_~i~4 240), 101856#(<= ULTIMATE.start_main_~i~4 238), 101859#(<= ULTIMATE.start_main_~i~4 244), 101858#(<= ULTIMATE.start_main_~i~4 242), 101861#(<= ULTIMATE.start_main_~i~4 248), 101860#(<= ULTIMATE.start_main_~i~4 246), 101863#(<= ULTIMATE.start_main_~i~4 252), 101862#(<= ULTIMATE.start_main_~i~4 250), 101865#(<= ULTIMATE.start_main_~i~4 256), 101864#(<= ULTIMATE.start_main_~i~4 254), 101867#(<= ULTIMATE.start_main_~i~4 260), 101866#(<= ULTIMATE.start_main_~i~4 258), 101869#(<= ULTIMATE.start_main_~i~4 264), 101868#(<= ULTIMATE.start_main_~i~4 262), 101871#(<= ULTIMATE.start_main_~i~4 268), 101870#(<= ULTIMATE.start_main_~i~4 266), 101873#(<= ULTIMATE.start_main_~i~4 272), 101872#(<= ULTIMATE.start_main_~i~4 270), 101875#(<= ULTIMATE.start_main_~i~4 276), 101874#(<= ULTIMATE.start_main_~i~4 274), 101877#(<= ULTIMATE.start_main_~i~4 280), 101876#(<= ULTIMATE.start_main_~i~4 278), 101879#(<= ULTIMATE.start_main_~i~4 284), 101878#(<= ULTIMATE.start_main_~i~4 282), 101881#(<= ULTIMATE.start_main_~i~4 288), 101880#(<= ULTIMATE.start_main_~i~4 286), 101883#(<= ULTIMATE.start_main_~i~4 292), 101882#(<= ULTIMATE.start_main_~i~4 290), 101884#(<= ULTIMATE.start_main_~i~4 294)] [2018-07-23 13:45:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,568 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:45:52,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:45:52,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:45:52,570 INFO L87 Difference]: Start difference. First operand 299 states and 299 transitions. Second operand 150 states. [2018-07-23 13:45:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,150 INFO L93 Difference]: Finished difference Result 303 states and 303 transitions. [2018-07-23 13:45:53,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:45:53,150 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 298 [2018-07-23 13:45:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,150 INFO L225 Difference]: With dead ends: 303 [2018-07-23 13:45:53,151 INFO L226 Difference]: Without dead ends: 301 [2018-07-23 13:45:53,152 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:45:53,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-23 13:45:53,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-07-23 13:45:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-07-23 13:45:53,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 301 transitions. [2018-07-23 13:45:53,154 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 301 transitions. Word has length 298 [2018-07-23 13:45:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,155 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 301 transitions. [2018-07-23 13:45:53,155 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:45:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 301 transitions. [2018-07-23 13:45:53,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 13:45:53,155 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,156 INFO L357 BasicCegarLoop]: trace histogram [149, 148, 1, 1, 1] [2018-07-23 13:45:53,156 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1983741007, now seen corresponding path program 148 times [2018-07-23 13:45:53,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,848 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,848 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:45:53,848 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,848 INFO L185 omatonBuilderFactory]: Interpolants [103169#(<= ULTIMATE.start_main_~i~4 148), 103168#(<= ULTIMATE.start_main_~i~4 146), 103171#(<= ULTIMATE.start_main_~i~4 152), 103170#(<= ULTIMATE.start_main_~i~4 150), 103173#(<= ULTIMATE.start_main_~i~4 156), 103172#(<= ULTIMATE.start_main_~i~4 154), 103175#(<= ULTIMATE.start_main_~i~4 160), 103174#(<= ULTIMATE.start_main_~i~4 158), 103177#(<= ULTIMATE.start_main_~i~4 164), 103176#(<= ULTIMATE.start_main_~i~4 162), 103179#(<= ULTIMATE.start_main_~i~4 168), 103178#(<= ULTIMATE.start_main_~i~4 166), 103181#(<= ULTIMATE.start_main_~i~4 172), 103180#(<= ULTIMATE.start_main_~i~4 170), 103183#(<= ULTIMATE.start_main_~i~4 176), 103182#(<= ULTIMATE.start_main_~i~4 174), 103185#(<= ULTIMATE.start_main_~i~4 180), 103184#(<= ULTIMATE.start_main_~i~4 178), 103187#(<= ULTIMATE.start_main_~i~4 184), 103186#(<= ULTIMATE.start_main_~i~4 182), 103189#(<= ULTIMATE.start_main_~i~4 188), 103188#(<= ULTIMATE.start_main_~i~4 186), 103191#(<= ULTIMATE.start_main_~i~4 192), 103190#(<= ULTIMATE.start_main_~i~4 190), 103193#(<= ULTIMATE.start_main_~i~4 196), 103192#(<= ULTIMATE.start_main_~i~4 194), 103195#(<= ULTIMATE.start_main_~i~4 200), 103194#(<= ULTIMATE.start_main_~i~4 198), 103197#(<= ULTIMATE.start_main_~i~4 204), 103196#(<= ULTIMATE.start_main_~i~4 202), 103199#(<= ULTIMATE.start_main_~i~4 208), 103198#(<= ULTIMATE.start_main_~i~4 206), 103201#(<= ULTIMATE.start_main_~i~4 212), 103200#(<= ULTIMATE.start_main_~i~4 210), 103203#(<= ULTIMATE.start_main_~i~4 216), 103202#(<= ULTIMATE.start_main_~i~4 214), 103205#(<= ULTIMATE.start_main_~i~4 220), 103204#(<= ULTIMATE.start_main_~i~4 218), 103207#(<= ULTIMATE.start_main_~i~4 224), 103206#(<= ULTIMATE.start_main_~i~4 222), 103209#(<= ULTIMATE.start_main_~i~4 228), 103208#(<= ULTIMATE.start_main_~i~4 226), 103211#(<= ULTIMATE.start_main_~i~4 232), 103210#(<= ULTIMATE.start_main_~i~4 230), 103213#(<= ULTIMATE.start_main_~i~4 236), 103212#(<= ULTIMATE.start_main_~i~4 234), 103215#(<= ULTIMATE.start_main_~i~4 240), 103214#(<= ULTIMATE.start_main_~i~4 238), 103217#(<= ULTIMATE.start_main_~i~4 244), 103216#(<= ULTIMATE.start_main_~i~4 242), 103219#(<= ULTIMATE.start_main_~i~4 248), 103218#(<= ULTIMATE.start_main_~i~4 246), 103221#(<= ULTIMATE.start_main_~i~4 252), 103220#(<= ULTIMATE.start_main_~i~4 250), 103223#(<= ULTIMATE.start_main_~i~4 256), 103222#(<= ULTIMATE.start_main_~i~4 254), 103225#(<= ULTIMATE.start_main_~i~4 260), 103224#(<= ULTIMATE.start_main_~i~4 258), 103227#(<= ULTIMATE.start_main_~i~4 264), 103226#(<= ULTIMATE.start_main_~i~4 262), 103229#(<= ULTIMATE.start_main_~i~4 268), 103228#(<= ULTIMATE.start_main_~i~4 266), 103231#(<= ULTIMATE.start_main_~i~4 272), 103230#(<= ULTIMATE.start_main_~i~4 270), 103233#(<= ULTIMATE.start_main_~i~4 276), 103232#(<= ULTIMATE.start_main_~i~4 274), 103235#(<= ULTIMATE.start_main_~i~4 280), 103234#(<= ULTIMATE.start_main_~i~4 278), 103237#(<= ULTIMATE.start_main_~i~4 284), 103236#(<= ULTIMATE.start_main_~i~4 282), 103239#(<= ULTIMATE.start_main_~i~4 288), 103238#(<= ULTIMATE.start_main_~i~4 286), 103241#(<= ULTIMATE.start_main_~i~4 292), 103240#(<= ULTIMATE.start_main_~i~4 290), 103243#(<= ULTIMATE.start_main_~i~4 296), 103242#(<= ULTIMATE.start_main_~i~4 294), 103093#true, 103095#(<= ULTIMATE.start_main_~i~4 0), 103094#false, 103097#(<= ULTIMATE.start_main_~i~4 4), 103096#(<= ULTIMATE.start_main_~i~4 2), 103099#(<= ULTIMATE.start_main_~i~4 8), 103098#(<= ULTIMATE.start_main_~i~4 6), 103101#(<= ULTIMATE.start_main_~i~4 12), 103100#(<= ULTIMATE.start_main_~i~4 10), 103103#(<= ULTIMATE.start_main_~i~4 16), 103102#(<= ULTIMATE.start_main_~i~4 14), 103105#(<= ULTIMATE.start_main_~i~4 20), 103104#(<= ULTIMATE.start_main_~i~4 18), 103107#(<= ULTIMATE.start_main_~i~4 24), 103106#(<= ULTIMATE.start_main_~i~4 22), 103109#(<= ULTIMATE.start_main_~i~4 28), 103108#(<= ULTIMATE.start_main_~i~4 26), 103111#(<= ULTIMATE.start_main_~i~4 32), 103110#(<= ULTIMATE.start_main_~i~4 30), 103113#(<= ULTIMATE.start_main_~i~4 36), 103112#(<= ULTIMATE.start_main_~i~4 34), 103115#(<= ULTIMATE.start_main_~i~4 40), 103114#(<= ULTIMATE.start_main_~i~4 38), 103117#(<= ULTIMATE.start_main_~i~4 44), 103116#(<= ULTIMATE.start_main_~i~4 42), 103119#(<= ULTIMATE.start_main_~i~4 48), 103118#(<= ULTIMATE.start_main_~i~4 46), 103121#(<= ULTIMATE.start_main_~i~4 52), 103120#(<= ULTIMATE.start_main_~i~4 50), 103123#(<= ULTIMATE.start_main_~i~4 56), 103122#(<= ULTIMATE.start_main_~i~4 54), 103125#(<= ULTIMATE.start_main_~i~4 60), 103124#(<= ULTIMATE.start_main_~i~4 58), 103127#(<= ULTIMATE.start_main_~i~4 64), 103126#(<= ULTIMATE.start_main_~i~4 62), 103129#(<= ULTIMATE.start_main_~i~4 68), 103128#(<= ULTIMATE.start_main_~i~4 66), 103131#(<= ULTIMATE.start_main_~i~4 72), 103130#(<= ULTIMATE.start_main_~i~4 70), 103133#(<= ULTIMATE.start_main_~i~4 76), 103132#(<= ULTIMATE.start_main_~i~4 74), 103135#(<= ULTIMATE.start_main_~i~4 80), 103134#(<= ULTIMATE.start_main_~i~4 78), 103137#(<= ULTIMATE.start_main_~i~4 84), 103136#(<= ULTIMATE.start_main_~i~4 82), 103139#(<= ULTIMATE.start_main_~i~4 88), 103138#(<= ULTIMATE.start_main_~i~4 86), 103141#(<= ULTIMATE.start_main_~i~4 92), 103140#(<= ULTIMATE.start_main_~i~4 90), 103143#(<= ULTIMATE.start_main_~i~4 96), 103142#(<= ULTIMATE.start_main_~i~4 94), 103145#(<= ULTIMATE.start_main_~i~4 100), 103144#(<= ULTIMATE.start_main_~i~4 98), 103147#(<= ULTIMATE.start_main_~i~4 104), 103146#(<= ULTIMATE.start_main_~i~4 102), 103149#(<= ULTIMATE.start_main_~i~4 108), 103148#(<= ULTIMATE.start_main_~i~4 106), 103151#(<= ULTIMATE.start_main_~i~4 112), 103150#(<= ULTIMATE.start_main_~i~4 110), 103153#(<= ULTIMATE.start_main_~i~4 116), 103152#(<= ULTIMATE.start_main_~i~4 114), 103155#(<= ULTIMATE.start_main_~i~4 120), 103154#(<= ULTIMATE.start_main_~i~4 118), 103157#(<= ULTIMATE.start_main_~i~4 124), 103156#(<= ULTIMATE.start_main_~i~4 122), 103159#(<= ULTIMATE.start_main_~i~4 128), 103158#(<= ULTIMATE.start_main_~i~4 126), 103161#(<= ULTIMATE.start_main_~i~4 132), 103160#(<= ULTIMATE.start_main_~i~4 130), 103163#(<= ULTIMATE.start_main_~i~4 136), 103162#(<= ULTIMATE.start_main_~i~4 134), 103165#(<= ULTIMATE.start_main_~i~4 140), 103164#(<= ULTIMATE.start_main_~i~4 138), 103167#(<= ULTIMATE.start_main_~i~4 144), 103166#(<= ULTIMATE.start_main_~i~4 142)] [2018-07-23 13:45:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,850 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:45:53,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:45:53,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:45:53,854 INFO L87 Difference]: Start difference. First operand 301 states and 301 transitions. Second operand 151 states. [2018-07-23 13:45:54,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,081 INFO L93 Difference]: Finished difference Result 305 states and 305 transitions. [2018-07-23 13:45:54,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:45:54,081 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 300 [2018-07-23 13:45:54,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,082 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:45:54,082 INFO L226 Difference]: Without dead ends: 303 [2018-07-23 13:45:54,083 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:45:54,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-07-23 13:45:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2018-07-23 13:45:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-07-23 13:45:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 303 transitions. [2018-07-23 13:45:54,086 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 303 transitions. Word has length 300 [2018-07-23 13:45:54,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,086 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 303 transitions. [2018-07-23 13:45:54,086 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:45:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 303 transitions. [2018-07-23 13:45:54,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-07-23 13:45:54,087 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,087 INFO L357 BasicCegarLoop]: trace histogram [150, 149, 1, 1, 1] [2018-07-23 13:45:54,087 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,087 INFO L82 PathProgramCache]: Analyzing trace with hash -590319607, now seen corresponding path program 149 times [2018-07-23 13:45:54,088 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,731 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,731 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,731 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:45:54,731 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,732 INFO L185 omatonBuilderFactory]: Interpolants [104461#false, 104460#true, 104463#(<= ULTIMATE.start_main_~i~4 2), 104462#(<= ULTIMATE.start_main_~i~4 0), 104465#(<= ULTIMATE.start_main_~i~4 6), 104464#(<= ULTIMATE.start_main_~i~4 4), 104467#(<= ULTIMATE.start_main_~i~4 10), 104466#(<= ULTIMATE.start_main_~i~4 8), 104469#(<= ULTIMATE.start_main_~i~4 14), 104468#(<= ULTIMATE.start_main_~i~4 12), 104471#(<= ULTIMATE.start_main_~i~4 18), 104470#(<= ULTIMATE.start_main_~i~4 16), 104473#(<= ULTIMATE.start_main_~i~4 22), 104472#(<= ULTIMATE.start_main_~i~4 20), 104475#(<= ULTIMATE.start_main_~i~4 26), 104474#(<= ULTIMATE.start_main_~i~4 24), 104477#(<= ULTIMATE.start_main_~i~4 30), 104476#(<= ULTIMATE.start_main_~i~4 28), 104479#(<= ULTIMATE.start_main_~i~4 34), 104478#(<= ULTIMATE.start_main_~i~4 32), 104481#(<= ULTIMATE.start_main_~i~4 38), 104480#(<= ULTIMATE.start_main_~i~4 36), 104483#(<= ULTIMATE.start_main_~i~4 42), 104482#(<= ULTIMATE.start_main_~i~4 40), 104485#(<= ULTIMATE.start_main_~i~4 46), 104484#(<= ULTIMATE.start_main_~i~4 44), 104487#(<= ULTIMATE.start_main_~i~4 50), 104486#(<= ULTIMATE.start_main_~i~4 48), 104489#(<= ULTIMATE.start_main_~i~4 54), 104488#(<= ULTIMATE.start_main_~i~4 52), 104491#(<= ULTIMATE.start_main_~i~4 58), 104490#(<= ULTIMATE.start_main_~i~4 56), 104493#(<= ULTIMATE.start_main_~i~4 62), 104492#(<= ULTIMATE.start_main_~i~4 60), 104495#(<= ULTIMATE.start_main_~i~4 66), 104494#(<= ULTIMATE.start_main_~i~4 64), 104497#(<= ULTIMATE.start_main_~i~4 70), 104496#(<= ULTIMATE.start_main_~i~4 68), 104499#(<= ULTIMATE.start_main_~i~4 74), 104498#(<= ULTIMATE.start_main_~i~4 72), 104501#(<= ULTIMATE.start_main_~i~4 78), 104500#(<= ULTIMATE.start_main_~i~4 76), 104503#(<= ULTIMATE.start_main_~i~4 82), 104502#(<= ULTIMATE.start_main_~i~4 80), 104505#(<= ULTIMATE.start_main_~i~4 86), 104504#(<= ULTIMATE.start_main_~i~4 84), 104507#(<= ULTIMATE.start_main_~i~4 90), 104506#(<= ULTIMATE.start_main_~i~4 88), 104509#(<= ULTIMATE.start_main_~i~4 94), 104508#(<= ULTIMATE.start_main_~i~4 92), 104511#(<= ULTIMATE.start_main_~i~4 98), 104510#(<= ULTIMATE.start_main_~i~4 96), 104513#(<= ULTIMATE.start_main_~i~4 102), 104512#(<= ULTIMATE.start_main_~i~4 100), 104515#(<= ULTIMATE.start_main_~i~4 106), 104514#(<= ULTIMATE.start_main_~i~4 104), 104517#(<= ULTIMATE.start_main_~i~4 110), 104516#(<= ULTIMATE.start_main_~i~4 108), 104519#(<= ULTIMATE.start_main_~i~4 114), 104518#(<= ULTIMATE.start_main_~i~4 112), 104521#(<= ULTIMATE.start_main_~i~4 118), 104520#(<= ULTIMATE.start_main_~i~4 116), 104523#(<= ULTIMATE.start_main_~i~4 122), 104522#(<= ULTIMATE.start_main_~i~4 120), 104525#(<= ULTIMATE.start_main_~i~4 126), 104524#(<= ULTIMATE.start_main_~i~4 124), 104527#(<= ULTIMATE.start_main_~i~4 130), 104526#(<= ULTIMATE.start_main_~i~4 128), 104529#(<= ULTIMATE.start_main_~i~4 134), 104528#(<= ULTIMATE.start_main_~i~4 132), 104531#(<= ULTIMATE.start_main_~i~4 138), 104530#(<= ULTIMATE.start_main_~i~4 136), 104533#(<= ULTIMATE.start_main_~i~4 142), 104532#(<= ULTIMATE.start_main_~i~4 140), 104535#(<= ULTIMATE.start_main_~i~4 146), 104534#(<= ULTIMATE.start_main_~i~4 144), 104537#(<= ULTIMATE.start_main_~i~4 150), 104536#(<= ULTIMATE.start_main_~i~4 148), 104539#(<= ULTIMATE.start_main_~i~4 154), 104538#(<= ULTIMATE.start_main_~i~4 152), 104541#(<= ULTIMATE.start_main_~i~4 158), 104540#(<= ULTIMATE.start_main_~i~4 156), 104543#(<= ULTIMATE.start_main_~i~4 162), 104542#(<= ULTIMATE.start_main_~i~4 160), 104545#(<= ULTIMATE.start_main_~i~4 166), 104544#(<= ULTIMATE.start_main_~i~4 164), 104547#(<= ULTIMATE.start_main_~i~4 170), 104546#(<= ULTIMATE.start_main_~i~4 168), 104549#(<= ULTIMATE.start_main_~i~4 174), 104548#(<= ULTIMATE.start_main_~i~4 172), 104551#(<= ULTIMATE.start_main_~i~4 178), 104550#(<= ULTIMATE.start_main_~i~4 176), 104553#(<= ULTIMATE.start_main_~i~4 182), 104552#(<= ULTIMATE.start_main_~i~4 180), 104555#(<= ULTIMATE.start_main_~i~4 186), 104554#(<= ULTIMATE.start_main_~i~4 184), 104557#(<= ULTIMATE.start_main_~i~4 190), 104556#(<= ULTIMATE.start_main_~i~4 188), 104559#(<= ULTIMATE.start_main_~i~4 194), 104558#(<= ULTIMATE.start_main_~i~4 192), 104561#(<= ULTIMATE.start_main_~i~4 198), 104560#(<= ULTIMATE.start_main_~i~4 196), 104563#(<= ULTIMATE.start_main_~i~4 202), 104562#(<= ULTIMATE.start_main_~i~4 200), 104565#(<= ULTIMATE.start_main_~i~4 206), 104564#(<= ULTIMATE.start_main_~i~4 204), 104567#(<= ULTIMATE.start_main_~i~4 210), 104566#(<= ULTIMATE.start_main_~i~4 208), 104569#(<= ULTIMATE.start_main_~i~4 214), 104568#(<= ULTIMATE.start_main_~i~4 212), 104571#(<= ULTIMATE.start_main_~i~4 218), 104570#(<= ULTIMATE.start_main_~i~4 216), 104573#(<= ULTIMATE.start_main_~i~4 222), 104572#(<= ULTIMATE.start_main_~i~4 220), 104575#(<= ULTIMATE.start_main_~i~4 226), 104574#(<= ULTIMATE.start_main_~i~4 224), 104577#(<= ULTIMATE.start_main_~i~4 230), 104576#(<= ULTIMATE.start_main_~i~4 228), 104579#(<= ULTIMATE.start_main_~i~4 234), 104578#(<= ULTIMATE.start_main_~i~4 232), 104581#(<= ULTIMATE.start_main_~i~4 238), 104580#(<= ULTIMATE.start_main_~i~4 236), 104583#(<= ULTIMATE.start_main_~i~4 242), 104582#(<= ULTIMATE.start_main_~i~4 240), 104585#(<= ULTIMATE.start_main_~i~4 246), 104584#(<= ULTIMATE.start_main_~i~4 244), 104587#(<= ULTIMATE.start_main_~i~4 250), 104586#(<= ULTIMATE.start_main_~i~4 248), 104589#(<= ULTIMATE.start_main_~i~4 254), 104588#(<= ULTIMATE.start_main_~i~4 252), 104591#(<= ULTIMATE.start_main_~i~4 258), 104590#(<= ULTIMATE.start_main_~i~4 256), 104593#(<= ULTIMATE.start_main_~i~4 262), 104592#(<= ULTIMATE.start_main_~i~4 260), 104595#(<= ULTIMATE.start_main_~i~4 266), 104594#(<= ULTIMATE.start_main_~i~4 264), 104597#(<= ULTIMATE.start_main_~i~4 270), 104596#(<= ULTIMATE.start_main_~i~4 268), 104599#(<= ULTIMATE.start_main_~i~4 274), 104598#(<= ULTIMATE.start_main_~i~4 272), 104601#(<= ULTIMATE.start_main_~i~4 278), 104600#(<= ULTIMATE.start_main_~i~4 276), 104603#(<= ULTIMATE.start_main_~i~4 282), 104602#(<= ULTIMATE.start_main_~i~4 280), 104605#(<= ULTIMATE.start_main_~i~4 286), 104604#(<= ULTIMATE.start_main_~i~4 284), 104607#(<= ULTIMATE.start_main_~i~4 290), 104606#(<= ULTIMATE.start_main_~i~4 288), 104609#(<= ULTIMATE.start_main_~i~4 294), 104608#(<= ULTIMATE.start_main_~i~4 292), 104611#(<= ULTIMATE.start_main_~i~4 298), 104610#(<= ULTIMATE.start_main_~i~4 296)] [2018-07-23 13:45:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,733 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:45:54,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:45:54,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:45:54,734 INFO L87 Difference]: Start difference. First operand 303 states and 303 transitions. Second operand 152 states. [2018-07-23 13:45:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,361 INFO L93 Difference]: Finished difference Result 307 states and 307 transitions. [2018-07-23 13:45:55,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:45:55,362 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 302 [2018-07-23 13:45:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,363 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:45:55,363 INFO L226 Difference]: Without dead ends: 305 [2018-07-23 13:45:55,363 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:45:55,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-07-23 13:45:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2018-07-23 13:45:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-07-23 13:45:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 305 transitions. [2018-07-23 13:45:55,368 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 305 transitions. Word has length 302 [2018-07-23 13:45:55,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,368 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 305 transitions. [2018-07-23 13:45:55,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:45:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 305 transitions. [2018-07-23 13:45:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-23 13:45:55,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,370 INFO L357 BasicCegarLoop]: trace histogram [151, 150, 1, 1, 1] [2018-07-23 13:45:55,370 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,370 INFO L82 PathProgramCache]: Analyzing trace with hash -361407165, now seen corresponding path program 150 times [2018-07-23 13:45:55,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,924 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,924 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:45:55,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,924 INFO L185 omatonBuilderFactory]: Interpolants [105985#(<= ULTIMATE.start_main_~i~4 294), 105984#(<= ULTIMATE.start_main_~i~4 292), 105987#(<= ULTIMATE.start_main_~i~4 298), 105986#(<= ULTIMATE.start_main_~i~4 296), 105988#(<= ULTIMATE.start_main_~i~4 300), 105837#false, 105836#true, 105839#(<= ULTIMATE.start_main_~i~4 2), 105838#(<= ULTIMATE.start_main_~i~4 0), 105841#(<= ULTIMATE.start_main_~i~4 6), 105840#(<= ULTIMATE.start_main_~i~4 4), 105843#(<= ULTIMATE.start_main_~i~4 10), 105842#(<= ULTIMATE.start_main_~i~4 8), 105845#(<= ULTIMATE.start_main_~i~4 14), 105844#(<= ULTIMATE.start_main_~i~4 12), 105847#(<= ULTIMATE.start_main_~i~4 18), 105846#(<= ULTIMATE.start_main_~i~4 16), 105849#(<= ULTIMATE.start_main_~i~4 22), 105848#(<= ULTIMATE.start_main_~i~4 20), 105851#(<= ULTIMATE.start_main_~i~4 26), 105850#(<= ULTIMATE.start_main_~i~4 24), 105853#(<= ULTIMATE.start_main_~i~4 30), 105852#(<= ULTIMATE.start_main_~i~4 28), 105855#(<= ULTIMATE.start_main_~i~4 34), 105854#(<= ULTIMATE.start_main_~i~4 32), 105857#(<= ULTIMATE.start_main_~i~4 38), 105856#(<= ULTIMATE.start_main_~i~4 36), 105859#(<= ULTIMATE.start_main_~i~4 42), 105858#(<= ULTIMATE.start_main_~i~4 40), 105861#(<= ULTIMATE.start_main_~i~4 46), 105860#(<= ULTIMATE.start_main_~i~4 44), 105863#(<= ULTIMATE.start_main_~i~4 50), 105862#(<= ULTIMATE.start_main_~i~4 48), 105865#(<= ULTIMATE.start_main_~i~4 54), 105864#(<= ULTIMATE.start_main_~i~4 52), 105867#(<= ULTIMATE.start_main_~i~4 58), 105866#(<= ULTIMATE.start_main_~i~4 56), 105869#(<= ULTIMATE.start_main_~i~4 62), 105868#(<= ULTIMATE.start_main_~i~4 60), 105871#(<= ULTIMATE.start_main_~i~4 66), 105870#(<= ULTIMATE.start_main_~i~4 64), 105873#(<= ULTIMATE.start_main_~i~4 70), 105872#(<= ULTIMATE.start_main_~i~4 68), 105875#(<= ULTIMATE.start_main_~i~4 74), 105874#(<= ULTIMATE.start_main_~i~4 72), 105877#(<= ULTIMATE.start_main_~i~4 78), 105876#(<= ULTIMATE.start_main_~i~4 76), 105879#(<= ULTIMATE.start_main_~i~4 82), 105878#(<= ULTIMATE.start_main_~i~4 80), 105881#(<= ULTIMATE.start_main_~i~4 86), 105880#(<= ULTIMATE.start_main_~i~4 84), 105883#(<= ULTIMATE.start_main_~i~4 90), 105882#(<= ULTIMATE.start_main_~i~4 88), 105885#(<= ULTIMATE.start_main_~i~4 94), 105884#(<= ULTIMATE.start_main_~i~4 92), 105887#(<= ULTIMATE.start_main_~i~4 98), 105886#(<= ULTIMATE.start_main_~i~4 96), 105889#(<= ULTIMATE.start_main_~i~4 102), 105888#(<= ULTIMATE.start_main_~i~4 100), 105891#(<= ULTIMATE.start_main_~i~4 106), 105890#(<= ULTIMATE.start_main_~i~4 104), 105893#(<= ULTIMATE.start_main_~i~4 110), 105892#(<= ULTIMATE.start_main_~i~4 108), 105895#(<= ULTIMATE.start_main_~i~4 114), 105894#(<= ULTIMATE.start_main_~i~4 112), 105897#(<= ULTIMATE.start_main_~i~4 118), 105896#(<= ULTIMATE.start_main_~i~4 116), 105899#(<= ULTIMATE.start_main_~i~4 122), 105898#(<= ULTIMATE.start_main_~i~4 120), 105901#(<= ULTIMATE.start_main_~i~4 126), 105900#(<= ULTIMATE.start_main_~i~4 124), 105903#(<= ULTIMATE.start_main_~i~4 130), 105902#(<= ULTIMATE.start_main_~i~4 128), 105905#(<= ULTIMATE.start_main_~i~4 134), 105904#(<= ULTIMATE.start_main_~i~4 132), 105907#(<= ULTIMATE.start_main_~i~4 138), 105906#(<= ULTIMATE.start_main_~i~4 136), 105909#(<= ULTIMATE.start_main_~i~4 142), 105908#(<= ULTIMATE.start_main_~i~4 140), 105911#(<= ULTIMATE.start_main_~i~4 146), 105910#(<= ULTIMATE.start_main_~i~4 144), 105913#(<= ULTIMATE.start_main_~i~4 150), 105912#(<= ULTIMATE.start_main_~i~4 148), 105915#(<= ULTIMATE.start_main_~i~4 154), 105914#(<= ULTIMATE.start_main_~i~4 152), 105917#(<= ULTIMATE.start_main_~i~4 158), 105916#(<= ULTIMATE.start_main_~i~4 156), 105919#(<= ULTIMATE.start_main_~i~4 162), 105918#(<= ULTIMATE.start_main_~i~4 160), 105921#(<= ULTIMATE.start_main_~i~4 166), 105920#(<= ULTIMATE.start_main_~i~4 164), 105923#(<= ULTIMATE.start_main_~i~4 170), 105922#(<= ULTIMATE.start_main_~i~4 168), 105925#(<= ULTIMATE.start_main_~i~4 174), 105924#(<= ULTIMATE.start_main_~i~4 172), 105927#(<= ULTIMATE.start_main_~i~4 178), 105926#(<= ULTIMATE.start_main_~i~4 176), 105929#(<= ULTIMATE.start_main_~i~4 182), 105928#(<= ULTIMATE.start_main_~i~4 180), 105931#(<= ULTIMATE.start_main_~i~4 186), 105930#(<= ULTIMATE.start_main_~i~4 184), 105933#(<= ULTIMATE.start_main_~i~4 190), 105932#(<= ULTIMATE.start_main_~i~4 188), 105935#(<= ULTIMATE.start_main_~i~4 194), 105934#(<= ULTIMATE.start_main_~i~4 192), 105937#(<= ULTIMATE.start_main_~i~4 198), 105936#(<= ULTIMATE.start_main_~i~4 196), 105939#(<= ULTIMATE.start_main_~i~4 202), 105938#(<= ULTIMATE.start_main_~i~4 200), 105941#(<= ULTIMATE.start_main_~i~4 206), 105940#(<= ULTIMATE.start_main_~i~4 204), 105943#(<= ULTIMATE.start_main_~i~4 210), 105942#(<= ULTIMATE.start_main_~i~4 208), 105945#(<= ULTIMATE.start_main_~i~4 214), 105944#(<= ULTIMATE.start_main_~i~4 212), 105947#(<= ULTIMATE.start_main_~i~4 218), 105946#(<= ULTIMATE.start_main_~i~4 216), 105949#(<= ULTIMATE.start_main_~i~4 222), 105948#(<= ULTIMATE.start_main_~i~4 220), 105951#(<= ULTIMATE.start_main_~i~4 226), 105950#(<= ULTIMATE.start_main_~i~4 224), 105953#(<= ULTIMATE.start_main_~i~4 230), 105952#(<= ULTIMATE.start_main_~i~4 228), 105955#(<= ULTIMATE.start_main_~i~4 234), 105954#(<= ULTIMATE.start_main_~i~4 232), 105957#(<= ULTIMATE.start_main_~i~4 238), 105956#(<= ULTIMATE.start_main_~i~4 236), 105959#(<= ULTIMATE.start_main_~i~4 242), 105958#(<= ULTIMATE.start_main_~i~4 240), 105961#(<= ULTIMATE.start_main_~i~4 246), 105960#(<= ULTIMATE.start_main_~i~4 244), 105963#(<= ULTIMATE.start_main_~i~4 250), 105962#(<= ULTIMATE.start_main_~i~4 248), 105965#(<= ULTIMATE.start_main_~i~4 254), 105964#(<= ULTIMATE.start_main_~i~4 252), 105967#(<= ULTIMATE.start_main_~i~4 258), 105966#(<= ULTIMATE.start_main_~i~4 256), 105969#(<= ULTIMATE.start_main_~i~4 262), 105968#(<= ULTIMATE.start_main_~i~4 260), 105971#(<= ULTIMATE.start_main_~i~4 266), 105970#(<= ULTIMATE.start_main_~i~4 264), 105973#(<= ULTIMATE.start_main_~i~4 270), 105972#(<= ULTIMATE.start_main_~i~4 268), 105975#(<= ULTIMATE.start_main_~i~4 274), 105974#(<= ULTIMATE.start_main_~i~4 272), 105977#(<= ULTIMATE.start_main_~i~4 278), 105976#(<= ULTIMATE.start_main_~i~4 276), 105979#(<= ULTIMATE.start_main_~i~4 282), 105978#(<= ULTIMATE.start_main_~i~4 280), 105981#(<= ULTIMATE.start_main_~i~4 286), 105980#(<= ULTIMATE.start_main_~i~4 284), 105983#(<= ULTIMATE.start_main_~i~4 290), 105982#(<= ULTIMATE.start_main_~i~4 288)] [2018-07-23 13:45:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,926 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:45:55,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:45:55,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:45:55,929 INFO L87 Difference]: Start difference. First operand 305 states and 305 transitions. Second operand 153 states. [2018-07-23 13:45:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,505 INFO L93 Difference]: Finished difference Result 309 states and 309 transitions. [2018-07-23 13:45:56,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:45:56,506 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 304 [2018-07-23 13:45:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,506 INFO L225 Difference]: With dead ends: 309 [2018-07-23 13:45:56,506 INFO L226 Difference]: Without dead ends: 307 [2018-07-23 13:45:56,507 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:45:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-07-23 13:45:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-07-23 13:45:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-07-23 13:45:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 307 transitions. [2018-07-23 13:45:56,510 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 307 transitions. Word has length 304 [2018-07-23 13:45:56,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,510 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 307 transitions. [2018-07-23 13:45:56,510 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:45:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 307 transitions. [2018-07-23 13:45:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-23 13:45:56,511 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,511 INFO L357 BasicCegarLoop]: trace histogram [152, 151, 1, 1, 1] [2018-07-23 13:45:56,511 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,511 INFO L82 PathProgramCache]: Analyzing trace with hash 580117501, now seen corresponding path program 151 times [2018-07-23 13:45:56,511 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,069 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,069 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:45:57,069 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,070 INFO L185 omatonBuilderFactory]: Interpolants [107265#(<= ULTIMATE.start_main_~i~4 84), 107264#(<= ULTIMATE.start_main_~i~4 82), 107267#(<= ULTIMATE.start_main_~i~4 88), 107266#(<= ULTIMATE.start_main_~i~4 86), 107269#(<= ULTIMATE.start_main_~i~4 92), 107268#(<= ULTIMATE.start_main_~i~4 90), 107271#(<= ULTIMATE.start_main_~i~4 96), 107270#(<= ULTIMATE.start_main_~i~4 94), 107273#(<= ULTIMATE.start_main_~i~4 100), 107272#(<= ULTIMATE.start_main_~i~4 98), 107275#(<= ULTIMATE.start_main_~i~4 104), 107274#(<= ULTIMATE.start_main_~i~4 102), 107277#(<= ULTIMATE.start_main_~i~4 108), 107276#(<= ULTIMATE.start_main_~i~4 106), 107279#(<= ULTIMATE.start_main_~i~4 112), 107278#(<= ULTIMATE.start_main_~i~4 110), 107281#(<= ULTIMATE.start_main_~i~4 116), 107280#(<= ULTIMATE.start_main_~i~4 114), 107283#(<= ULTIMATE.start_main_~i~4 120), 107282#(<= ULTIMATE.start_main_~i~4 118), 107285#(<= ULTIMATE.start_main_~i~4 124), 107284#(<= ULTIMATE.start_main_~i~4 122), 107287#(<= ULTIMATE.start_main_~i~4 128), 107286#(<= ULTIMATE.start_main_~i~4 126), 107289#(<= ULTIMATE.start_main_~i~4 132), 107288#(<= ULTIMATE.start_main_~i~4 130), 107291#(<= ULTIMATE.start_main_~i~4 136), 107290#(<= ULTIMATE.start_main_~i~4 134), 107293#(<= ULTIMATE.start_main_~i~4 140), 107292#(<= ULTIMATE.start_main_~i~4 138), 107295#(<= ULTIMATE.start_main_~i~4 144), 107294#(<= ULTIMATE.start_main_~i~4 142), 107297#(<= ULTIMATE.start_main_~i~4 148), 107296#(<= ULTIMATE.start_main_~i~4 146), 107299#(<= ULTIMATE.start_main_~i~4 152), 107298#(<= ULTIMATE.start_main_~i~4 150), 107301#(<= ULTIMATE.start_main_~i~4 156), 107300#(<= ULTIMATE.start_main_~i~4 154), 107303#(<= ULTIMATE.start_main_~i~4 160), 107302#(<= ULTIMATE.start_main_~i~4 158), 107305#(<= ULTIMATE.start_main_~i~4 164), 107304#(<= ULTIMATE.start_main_~i~4 162), 107307#(<= ULTIMATE.start_main_~i~4 168), 107306#(<= ULTIMATE.start_main_~i~4 166), 107309#(<= ULTIMATE.start_main_~i~4 172), 107308#(<= ULTIMATE.start_main_~i~4 170), 107311#(<= ULTIMATE.start_main_~i~4 176), 107310#(<= ULTIMATE.start_main_~i~4 174), 107313#(<= ULTIMATE.start_main_~i~4 180), 107312#(<= ULTIMATE.start_main_~i~4 178), 107315#(<= ULTIMATE.start_main_~i~4 184), 107314#(<= ULTIMATE.start_main_~i~4 182), 107317#(<= ULTIMATE.start_main_~i~4 188), 107316#(<= ULTIMATE.start_main_~i~4 186), 107319#(<= ULTIMATE.start_main_~i~4 192), 107318#(<= ULTIMATE.start_main_~i~4 190), 107321#(<= ULTIMATE.start_main_~i~4 196), 107320#(<= ULTIMATE.start_main_~i~4 194), 107323#(<= ULTIMATE.start_main_~i~4 200), 107322#(<= ULTIMATE.start_main_~i~4 198), 107325#(<= ULTIMATE.start_main_~i~4 204), 107324#(<= ULTIMATE.start_main_~i~4 202), 107327#(<= ULTIMATE.start_main_~i~4 208), 107326#(<= ULTIMATE.start_main_~i~4 206), 107329#(<= ULTIMATE.start_main_~i~4 212), 107328#(<= ULTIMATE.start_main_~i~4 210), 107331#(<= ULTIMATE.start_main_~i~4 216), 107330#(<= ULTIMATE.start_main_~i~4 214), 107333#(<= ULTIMATE.start_main_~i~4 220), 107332#(<= ULTIMATE.start_main_~i~4 218), 107335#(<= ULTIMATE.start_main_~i~4 224), 107334#(<= ULTIMATE.start_main_~i~4 222), 107337#(<= ULTIMATE.start_main_~i~4 228), 107336#(<= ULTIMATE.start_main_~i~4 226), 107339#(<= ULTIMATE.start_main_~i~4 232), 107338#(<= ULTIMATE.start_main_~i~4 230), 107341#(<= ULTIMATE.start_main_~i~4 236), 107340#(<= ULTIMATE.start_main_~i~4 234), 107343#(<= ULTIMATE.start_main_~i~4 240), 107342#(<= ULTIMATE.start_main_~i~4 238), 107345#(<= ULTIMATE.start_main_~i~4 244), 107344#(<= ULTIMATE.start_main_~i~4 242), 107347#(<= ULTIMATE.start_main_~i~4 248), 107346#(<= ULTIMATE.start_main_~i~4 246), 107349#(<= ULTIMATE.start_main_~i~4 252), 107348#(<= ULTIMATE.start_main_~i~4 250), 107351#(<= ULTIMATE.start_main_~i~4 256), 107350#(<= ULTIMATE.start_main_~i~4 254), 107353#(<= ULTIMATE.start_main_~i~4 260), 107352#(<= ULTIMATE.start_main_~i~4 258), 107355#(<= ULTIMATE.start_main_~i~4 264), 107354#(<= ULTIMATE.start_main_~i~4 262), 107357#(<= ULTIMATE.start_main_~i~4 268), 107356#(<= ULTIMATE.start_main_~i~4 266), 107359#(<= ULTIMATE.start_main_~i~4 272), 107358#(<= ULTIMATE.start_main_~i~4 270), 107361#(<= ULTIMATE.start_main_~i~4 276), 107360#(<= ULTIMATE.start_main_~i~4 274), 107363#(<= ULTIMATE.start_main_~i~4 280), 107362#(<= ULTIMATE.start_main_~i~4 278), 107365#(<= ULTIMATE.start_main_~i~4 284), 107364#(<= ULTIMATE.start_main_~i~4 282), 107367#(<= ULTIMATE.start_main_~i~4 288), 107366#(<= ULTIMATE.start_main_~i~4 286), 107369#(<= ULTIMATE.start_main_~i~4 292), 107368#(<= ULTIMATE.start_main_~i~4 290), 107371#(<= ULTIMATE.start_main_~i~4 296), 107370#(<= ULTIMATE.start_main_~i~4 294), 107373#(<= ULTIMATE.start_main_~i~4 300), 107372#(<= ULTIMATE.start_main_~i~4 298), 107374#(<= ULTIMATE.start_main_~i~4 302), 107221#true, 107223#(<= ULTIMATE.start_main_~i~4 0), 107222#false, 107225#(<= ULTIMATE.start_main_~i~4 4), 107224#(<= ULTIMATE.start_main_~i~4 2), 107227#(<= ULTIMATE.start_main_~i~4 8), 107226#(<= ULTIMATE.start_main_~i~4 6), 107229#(<= ULTIMATE.start_main_~i~4 12), 107228#(<= ULTIMATE.start_main_~i~4 10), 107231#(<= ULTIMATE.start_main_~i~4 16), 107230#(<= ULTIMATE.start_main_~i~4 14), 107233#(<= ULTIMATE.start_main_~i~4 20), 107232#(<= ULTIMATE.start_main_~i~4 18), 107235#(<= ULTIMATE.start_main_~i~4 24), 107234#(<= ULTIMATE.start_main_~i~4 22), 107237#(<= ULTIMATE.start_main_~i~4 28), 107236#(<= ULTIMATE.start_main_~i~4 26), 107239#(<= ULTIMATE.start_main_~i~4 32), 107238#(<= ULTIMATE.start_main_~i~4 30), 107241#(<= ULTIMATE.start_main_~i~4 36), 107240#(<= ULTIMATE.start_main_~i~4 34), 107243#(<= ULTIMATE.start_main_~i~4 40), 107242#(<= ULTIMATE.start_main_~i~4 38), 107245#(<= ULTIMATE.start_main_~i~4 44), 107244#(<= ULTIMATE.start_main_~i~4 42), 107247#(<= ULTIMATE.start_main_~i~4 48), 107246#(<= ULTIMATE.start_main_~i~4 46), 107249#(<= ULTIMATE.start_main_~i~4 52), 107248#(<= ULTIMATE.start_main_~i~4 50), 107251#(<= ULTIMATE.start_main_~i~4 56), 107250#(<= ULTIMATE.start_main_~i~4 54), 107253#(<= ULTIMATE.start_main_~i~4 60), 107252#(<= ULTIMATE.start_main_~i~4 58), 107255#(<= ULTIMATE.start_main_~i~4 64), 107254#(<= ULTIMATE.start_main_~i~4 62), 107257#(<= ULTIMATE.start_main_~i~4 68), 107256#(<= ULTIMATE.start_main_~i~4 66), 107259#(<= ULTIMATE.start_main_~i~4 72), 107258#(<= ULTIMATE.start_main_~i~4 70), 107261#(<= ULTIMATE.start_main_~i~4 76), 107260#(<= ULTIMATE.start_main_~i~4 74), 107263#(<= ULTIMATE.start_main_~i~4 80), 107262#(<= ULTIMATE.start_main_~i~4 78)] [2018-07-23 13:45:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,071 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:45:57,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:45:57,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:45:57,073 INFO L87 Difference]: Start difference. First operand 307 states and 307 transitions. Second operand 154 states. [2018-07-23 13:45:57,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,494 INFO L93 Difference]: Finished difference Result 311 states and 311 transitions. [2018-07-23 13:45:57,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:45:57,494 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 306 [2018-07-23 13:45:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,495 INFO L225 Difference]: With dead ends: 311 [2018-07-23 13:45:57,495 INFO L226 Difference]: Without dead ends: 309 [2018-07-23 13:45:57,497 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:45:57,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-07-23 13:45:57,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-07-23 13:45:57,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-07-23 13:45:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 309 transitions. [2018-07-23 13:45:57,501 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 309 transitions. Word has length 306 [2018-07-23 13:45:57,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,502 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 309 transitions. [2018-07-23 13:45:57,502 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:45:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 309 transitions. [2018-07-23 13:45:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-07-23 13:45:57,503 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,503 INFO L357 BasicCegarLoop]: trace histogram [153, 152, 1, 1, 1] [2018-07-23 13:45:57,503 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,504 INFO L82 PathProgramCache]: Analyzing trace with hash -852777929, now seen corresponding path program 152 times [2018-07-23 13:45:57,504 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,194 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:58,194 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:45:58,194 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:58,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,195 INFO L185 omatonBuilderFactory]: Interpolants [108615#true, 108617#(<= ULTIMATE.start_main_~i~4 0), 108616#false, 108619#(<= ULTIMATE.start_main_~i~4 4), 108618#(<= ULTIMATE.start_main_~i~4 2), 108621#(<= ULTIMATE.start_main_~i~4 8), 108620#(<= ULTIMATE.start_main_~i~4 6), 108623#(<= ULTIMATE.start_main_~i~4 12), 108622#(<= ULTIMATE.start_main_~i~4 10), 108625#(<= ULTIMATE.start_main_~i~4 16), 108624#(<= ULTIMATE.start_main_~i~4 14), 108627#(<= ULTIMATE.start_main_~i~4 20), 108626#(<= ULTIMATE.start_main_~i~4 18), 108629#(<= ULTIMATE.start_main_~i~4 24), 108628#(<= ULTIMATE.start_main_~i~4 22), 108631#(<= ULTIMATE.start_main_~i~4 28), 108630#(<= ULTIMATE.start_main_~i~4 26), 108633#(<= ULTIMATE.start_main_~i~4 32), 108632#(<= ULTIMATE.start_main_~i~4 30), 108635#(<= ULTIMATE.start_main_~i~4 36), 108634#(<= ULTIMATE.start_main_~i~4 34), 108637#(<= ULTIMATE.start_main_~i~4 40), 108636#(<= ULTIMATE.start_main_~i~4 38), 108639#(<= ULTIMATE.start_main_~i~4 44), 108638#(<= ULTIMATE.start_main_~i~4 42), 108641#(<= ULTIMATE.start_main_~i~4 48), 108640#(<= ULTIMATE.start_main_~i~4 46), 108643#(<= ULTIMATE.start_main_~i~4 52), 108642#(<= ULTIMATE.start_main_~i~4 50), 108645#(<= ULTIMATE.start_main_~i~4 56), 108644#(<= ULTIMATE.start_main_~i~4 54), 108647#(<= ULTIMATE.start_main_~i~4 60), 108646#(<= ULTIMATE.start_main_~i~4 58), 108649#(<= ULTIMATE.start_main_~i~4 64), 108648#(<= ULTIMATE.start_main_~i~4 62), 108651#(<= ULTIMATE.start_main_~i~4 68), 108650#(<= ULTIMATE.start_main_~i~4 66), 108653#(<= ULTIMATE.start_main_~i~4 72), 108652#(<= ULTIMATE.start_main_~i~4 70), 108655#(<= ULTIMATE.start_main_~i~4 76), 108654#(<= ULTIMATE.start_main_~i~4 74), 108657#(<= ULTIMATE.start_main_~i~4 80), 108656#(<= ULTIMATE.start_main_~i~4 78), 108659#(<= ULTIMATE.start_main_~i~4 84), 108658#(<= ULTIMATE.start_main_~i~4 82), 108661#(<= ULTIMATE.start_main_~i~4 88), 108660#(<= ULTIMATE.start_main_~i~4 86), 108663#(<= ULTIMATE.start_main_~i~4 92), 108662#(<= ULTIMATE.start_main_~i~4 90), 108665#(<= ULTIMATE.start_main_~i~4 96), 108664#(<= ULTIMATE.start_main_~i~4 94), 108667#(<= ULTIMATE.start_main_~i~4 100), 108666#(<= ULTIMATE.start_main_~i~4 98), 108669#(<= ULTIMATE.start_main_~i~4 104), 108668#(<= ULTIMATE.start_main_~i~4 102), 108671#(<= ULTIMATE.start_main_~i~4 108), 108670#(<= ULTIMATE.start_main_~i~4 106), 108673#(<= ULTIMATE.start_main_~i~4 112), 108672#(<= ULTIMATE.start_main_~i~4 110), 108675#(<= ULTIMATE.start_main_~i~4 116), 108674#(<= ULTIMATE.start_main_~i~4 114), 108677#(<= ULTIMATE.start_main_~i~4 120), 108676#(<= ULTIMATE.start_main_~i~4 118), 108679#(<= ULTIMATE.start_main_~i~4 124), 108678#(<= ULTIMATE.start_main_~i~4 122), 108681#(<= ULTIMATE.start_main_~i~4 128), 108680#(<= ULTIMATE.start_main_~i~4 126), 108683#(<= ULTIMATE.start_main_~i~4 132), 108682#(<= ULTIMATE.start_main_~i~4 130), 108685#(<= ULTIMATE.start_main_~i~4 136), 108684#(<= ULTIMATE.start_main_~i~4 134), 108687#(<= ULTIMATE.start_main_~i~4 140), 108686#(<= ULTIMATE.start_main_~i~4 138), 108689#(<= ULTIMATE.start_main_~i~4 144), 108688#(<= ULTIMATE.start_main_~i~4 142), 108691#(<= ULTIMATE.start_main_~i~4 148), 108690#(<= ULTIMATE.start_main_~i~4 146), 108693#(<= ULTIMATE.start_main_~i~4 152), 108692#(<= ULTIMATE.start_main_~i~4 150), 108695#(<= ULTIMATE.start_main_~i~4 156), 108694#(<= ULTIMATE.start_main_~i~4 154), 108697#(<= ULTIMATE.start_main_~i~4 160), 108696#(<= ULTIMATE.start_main_~i~4 158), 108699#(<= ULTIMATE.start_main_~i~4 164), 108698#(<= ULTIMATE.start_main_~i~4 162), 108701#(<= ULTIMATE.start_main_~i~4 168), 108700#(<= ULTIMATE.start_main_~i~4 166), 108703#(<= ULTIMATE.start_main_~i~4 172), 108702#(<= ULTIMATE.start_main_~i~4 170), 108705#(<= ULTIMATE.start_main_~i~4 176), 108704#(<= ULTIMATE.start_main_~i~4 174), 108707#(<= ULTIMATE.start_main_~i~4 180), 108706#(<= ULTIMATE.start_main_~i~4 178), 108709#(<= ULTIMATE.start_main_~i~4 184), 108708#(<= ULTIMATE.start_main_~i~4 182), 108711#(<= ULTIMATE.start_main_~i~4 188), 108710#(<= ULTIMATE.start_main_~i~4 186), 108713#(<= ULTIMATE.start_main_~i~4 192), 108712#(<= ULTIMATE.start_main_~i~4 190), 108715#(<= ULTIMATE.start_main_~i~4 196), 108714#(<= ULTIMATE.start_main_~i~4 194), 108717#(<= ULTIMATE.start_main_~i~4 200), 108716#(<= ULTIMATE.start_main_~i~4 198), 108719#(<= ULTIMATE.start_main_~i~4 204), 108718#(<= ULTIMATE.start_main_~i~4 202), 108721#(<= ULTIMATE.start_main_~i~4 208), 108720#(<= ULTIMATE.start_main_~i~4 206), 108723#(<= ULTIMATE.start_main_~i~4 212), 108722#(<= ULTIMATE.start_main_~i~4 210), 108725#(<= ULTIMATE.start_main_~i~4 216), 108724#(<= ULTIMATE.start_main_~i~4 214), 108727#(<= ULTIMATE.start_main_~i~4 220), 108726#(<= ULTIMATE.start_main_~i~4 218), 108729#(<= ULTIMATE.start_main_~i~4 224), 108728#(<= ULTIMATE.start_main_~i~4 222), 108731#(<= ULTIMATE.start_main_~i~4 228), 108730#(<= ULTIMATE.start_main_~i~4 226), 108733#(<= ULTIMATE.start_main_~i~4 232), 108732#(<= ULTIMATE.start_main_~i~4 230), 108735#(<= ULTIMATE.start_main_~i~4 236), 108734#(<= ULTIMATE.start_main_~i~4 234), 108737#(<= ULTIMATE.start_main_~i~4 240), 108736#(<= ULTIMATE.start_main_~i~4 238), 108739#(<= ULTIMATE.start_main_~i~4 244), 108738#(<= ULTIMATE.start_main_~i~4 242), 108741#(<= ULTIMATE.start_main_~i~4 248), 108740#(<= ULTIMATE.start_main_~i~4 246), 108743#(<= ULTIMATE.start_main_~i~4 252), 108742#(<= ULTIMATE.start_main_~i~4 250), 108745#(<= ULTIMATE.start_main_~i~4 256), 108744#(<= ULTIMATE.start_main_~i~4 254), 108747#(<= ULTIMATE.start_main_~i~4 260), 108746#(<= ULTIMATE.start_main_~i~4 258), 108749#(<= ULTIMATE.start_main_~i~4 264), 108748#(<= ULTIMATE.start_main_~i~4 262), 108751#(<= ULTIMATE.start_main_~i~4 268), 108750#(<= ULTIMATE.start_main_~i~4 266), 108753#(<= ULTIMATE.start_main_~i~4 272), 108752#(<= ULTIMATE.start_main_~i~4 270), 108755#(<= ULTIMATE.start_main_~i~4 276), 108754#(<= ULTIMATE.start_main_~i~4 274), 108757#(<= ULTIMATE.start_main_~i~4 280), 108756#(<= ULTIMATE.start_main_~i~4 278), 108759#(<= ULTIMATE.start_main_~i~4 284), 108758#(<= ULTIMATE.start_main_~i~4 282), 108761#(<= ULTIMATE.start_main_~i~4 288), 108760#(<= ULTIMATE.start_main_~i~4 286), 108763#(<= ULTIMATE.start_main_~i~4 292), 108762#(<= ULTIMATE.start_main_~i~4 290), 108765#(<= ULTIMATE.start_main_~i~4 296), 108764#(<= ULTIMATE.start_main_~i~4 294), 108767#(<= ULTIMATE.start_main_~i~4 300), 108766#(<= ULTIMATE.start_main_~i~4 298), 108769#(<= ULTIMATE.start_main_~i~4 304), 108768#(<= ULTIMATE.start_main_~i~4 302)] [2018-07-23 13:45:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,196 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:45:58,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:45:58,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:45:58,199 INFO L87 Difference]: Start difference. First operand 309 states and 309 transitions. Second operand 155 states. [2018-07-23 13:45:58,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,803 INFO L93 Difference]: Finished difference Result 313 states and 313 transitions. [2018-07-23 13:45:58,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:45:58,803 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 308 [2018-07-23 13:45:58,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,804 INFO L225 Difference]: With dead ends: 313 [2018-07-23 13:45:58,804 INFO L226 Difference]: Without dead ends: 311 [2018-07-23 13:45:58,804 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:45:58,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-23 13:45:58,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-07-23 13:45:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-07-23 13:45:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 311 transitions. [2018-07-23 13:45:58,807 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 311 transitions. Word has length 308 [2018-07-23 13:45:58,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,807 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 311 transitions. [2018-07-23 13:45:58,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:45:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 311 transitions. [2018-07-23 13:45:58,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-07-23 13:45:58,808 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,808 INFO L357 BasicCegarLoop]: trace histogram [154, 153, 1, 1, 1] [2018-07-23 13:45:58,808 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,809 INFO L82 PathProgramCache]: Analyzing trace with hash 819215857, now seen corresponding path program 153 times [2018-07-23 13:45:58,809 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,392 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,392 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:45:59,393 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,393 INFO L185 omatonBuilderFactory]: Interpolants [110081#(<= ULTIMATE.start_main_~i~4 122), 110080#(<= ULTIMATE.start_main_~i~4 120), 110083#(<= ULTIMATE.start_main_~i~4 126), 110082#(<= ULTIMATE.start_main_~i~4 124), 110085#(<= ULTIMATE.start_main_~i~4 130), 110084#(<= ULTIMATE.start_main_~i~4 128), 110087#(<= ULTIMATE.start_main_~i~4 134), 110086#(<= ULTIMATE.start_main_~i~4 132), 110089#(<= ULTIMATE.start_main_~i~4 138), 110088#(<= ULTIMATE.start_main_~i~4 136), 110091#(<= ULTIMATE.start_main_~i~4 142), 110090#(<= ULTIMATE.start_main_~i~4 140), 110093#(<= ULTIMATE.start_main_~i~4 146), 110092#(<= ULTIMATE.start_main_~i~4 144), 110095#(<= ULTIMATE.start_main_~i~4 150), 110094#(<= ULTIMATE.start_main_~i~4 148), 110097#(<= ULTIMATE.start_main_~i~4 154), 110096#(<= ULTIMATE.start_main_~i~4 152), 110099#(<= ULTIMATE.start_main_~i~4 158), 110098#(<= ULTIMATE.start_main_~i~4 156), 110101#(<= ULTIMATE.start_main_~i~4 162), 110100#(<= ULTIMATE.start_main_~i~4 160), 110103#(<= ULTIMATE.start_main_~i~4 166), 110102#(<= ULTIMATE.start_main_~i~4 164), 110105#(<= ULTIMATE.start_main_~i~4 170), 110104#(<= ULTIMATE.start_main_~i~4 168), 110107#(<= ULTIMATE.start_main_~i~4 174), 110106#(<= ULTIMATE.start_main_~i~4 172), 110109#(<= ULTIMATE.start_main_~i~4 178), 110108#(<= ULTIMATE.start_main_~i~4 176), 110111#(<= ULTIMATE.start_main_~i~4 182), 110110#(<= ULTIMATE.start_main_~i~4 180), 110113#(<= ULTIMATE.start_main_~i~4 186), 110112#(<= ULTIMATE.start_main_~i~4 184), 110115#(<= ULTIMATE.start_main_~i~4 190), 110114#(<= ULTIMATE.start_main_~i~4 188), 110117#(<= ULTIMATE.start_main_~i~4 194), 110116#(<= ULTIMATE.start_main_~i~4 192), 110119#(<= ULTIMATE.start_main_~i~4 198), 110118#(<= ULTIMATE.start_main_~i~4 196), 110121#(<= ULTIMATE.start_main_~i~4 202), 110120#(<= ULTIMATE.start_main_~i~4 200), 110123#(<= ULTIMATE.start_main_~i~4 206), 110122#(<= ULTIMATE.start_main_~i~4 204), 110125#(<= ULTIMATE.start_main_~i~4 210), 110124#(<= ULTIMATE.start_main_~i~4 208), 110127#(<= ULTIMATE.start_main_~i~4 214), 110126#(<= ULTIMATE.start_main_~i~4 212), 110129#(<= ULTIMATE.start_main_~i~4 218), 110128#(<= ULTIMATE.start_main_~i~4 216), 110131#(<= ULTIMATE.start_main_~i~4 222), 110130#(<= ULTIMATE.start_main_~i~4 220), 110133#(<= ULTIMATE.start_main_~i~4 226), 110132#(<= ULTIMATE.start_main_~i~4 224), 110135#(<= ULTIMATE.start_main_~i~4 230), 110134#(<= ULTIMATE.start_main_~i~4 228), 110137#(<= ULTIMATE.start_main_~i~4 234), 110136#(<= ULTIMATE.start_main_~i~4 232), 110139#(<= ULTIMATE.start_main_~i~4 238), 110138#(<= ULTIMATE.start_main_~i~4 236), 110141#(<= ULTIMATE.start_main_~i~4 242), 110140#(<= ULTIMATE.start_main_~i~4 240), 110143#(<= ULTIMATE.start_main_~i~4 246), 110142#(<= ULTIMATE.start_main_~i~4 244), 110145#(<= ULTIMATE.start_main_~i~4 250), 110144#(<= ULTIMATE.start_main_~i~4 248), 110147#(<= ULTIMATE.start_main_~i~4 254), 110146#(<= ULTIMATE.start_main_~i~4 252), 110149#(<= ULTIMATE.start_main_~i~4 258), 110148#(<= ULTIMATE.start_main_~i~4 256), 110151#(<= ULTIMATE.start_main_~i~4 262), 110150#(<= ULTIMATE.start_main_~i~4 260), 110153#(<= ULTIMATE.start_main_~i~4 266), 110152#(<= ULTIMATE.start_main_~i~4 264), 110155#(<= ULTIMATE.start_main_~i~4 270), 110154#(<= ULTIMATE.start_main_~i~4 268), 110157#(<= ULTIMATE.start_main_~i~4 274), 110156#(<= ULTIMATE.start_main_~i~4 272), 110159#(<= ULTIMATE.start_main_~i~4 278), 110158#(<= ULTIMATE.start_main_~i~4 276), 110161#(<= ULTIMATE.start_main_~i~4 282), 110160#(<= ULTIMATE.start_main_~i~4 280), 110163#(<= ULTIMATE.start_main_~i~4 286), 110162#(<= ULTIMATE.start_main_~i~4 284), 110165#(<= ULTIMATE.start_main_~i~4 290), 110164#(<= ULTIMATE.start_main_~i~4 288), 110167#(<= ULTIMATE.start_main_~i~4 294), 110166#(<= ULTIMATE.start_main_~i~4 292), 110169#(<= ULTIMATE.start_main_~i~4 298), 110168#(<= ULTIMATE.start_main_~i~4 296), 110171#(<= ULTIMATE.start_main_~i~4 302), 110170#(<= ULTIMATE.start_main_~i~4 300), 110173#(<= ULTIMATE.start_main_~i~4 306), 110172#(<= ULTIMATE.start_main_~i~4 304), 110019#false, 110018#true, 110021#(<= ULTIMATE.start_main_~i~4 2), 110020#(<= ULTIMATE.start_main_~i~4 0), 110023#(<= ULTIMATE.start_main_~i~4 6), 110022#(<= ULTIMATE.start_main_~i~4 4), 110025#(<= ULTIMATE.start_main_~i~4 10), 110024#(<= ULTIMATE.start_main_~i~4 8), 110027#(<= ULTIMATE.start_main_~i~4 14), 110026#(<= ULTIMATE.start_main_~i~4 12), 110029#(<= ULTIMATE.start_main_~i~4 18), 110028#(<= ULTIMATE.start_main_~i~4 16), 110031#(<= ULTIMATE.start_main_~i~4 22), 110030#(<= ULTIMATE.start_main_~i~4 20), 110033#(<= ULTIMATE.start_main_~i~4 26), 110032#(<= ULTIMATE.start_main_~i~4 24), 110035#(<= ULTIMATE.start_main_~i~4 30), 110034#(<= ULTIMATE.start_main_~i~4 28), 110037#(<= ULTIMATE.start_main_~i~4 34), 110036#(<= ULTIMATE.start_main_~i~4 32), 110039#(<= ULTIMATE.start_main_~i~4 38), 110038#(<= ULTIMATE.start_main_~i~4 36), 110041#(<= ULTIMATE.start_main_~i~4 42), 110040#(<= ULTIMATE.start_main_~i~4 40), 110043#(<= ULTIMATE.start_main_~i~4 46), 110042#(<= ULTIMATE.start_main_~i~4 44), 110045#(<= ULTIMATE.start_main_~i~4 50), 110044#(<= ULTIMATE.start_main_~i~4 48), 110047#(<= ULTIMATE.start_main_~i~4 54), 110046#(<= ULTIMATE.start_main_~i~4 52), 110049#(<= ULTIMATE.start_main_~i~4 58), 110048#(<= ULTIMATE.start_main_~i~4 56), 110051#(<= ULTIMATE.start_main_~i~4 62), 110050#(<= ULTIMATE.start_main_~i~4 60), 110053#(<= ULTIMATE.start_main_~i~4 66), 110052#(<= ULTIMATE.start_main_~i~4 64), 110055#(<= ULTIMATE.start_main_~i~4 70), 110054#(<= ULTIMATE.start_main_~i~4 68), 110057#(<= ULTIMATE.start_main_~i~4 74), 110056#(<= ULTIMATE.start_main_~i~4 72), 110059#(<= ULTIMATE.start_main_~i~4 78), 110058#(<= ULTIMATE.start_main_~i~4 76), 110061#(<= ULTIMATE.start_main_~i~4 82), 110060#(<= ULTIMATE.start_main_~i~4 80), 110063#(<= ULTIMATE.start_main_~i~4 86), 110062#(<= ULTIMATE.start_main_~i~4 84), 110065#(<= ULTIMATE.start_main_~i~4 90), 110064#(<= ULTIMATE.start_main_~i~4 88), 110067#(<= ULTIMATE.start_main_~i~4 94), 110066#(<= ULTIMATE.start_main_~i~4 92), 110069#(<= ULTIMATE.start_main_~i~4 98), 110068#(<= ULTIMATE.start_main_~i~4 96), 110071#(<= ULTIMATE.start_main_~i~4 102), 110070#(<= ULTIMATE.start_main_~i~4 100), 110073#(<= ULTIMATE.start_main_~i~4 106), 110072#(<= ULTIMATE.start_main_~i~4 104), 110075#(<= ULTIMATE.start_main_~i~4 110), 110074#(<= ULTIMATE.start_main_~i~4 108), 110077#(<= ULTIMATE.start_main_~i~4 114), 110076#(<= ULTIMATE.start_main_~i~4 112), 110079#(<= ULTIMATE.start_main_~i~4 118), 110078#(<= ULTIMATE.start_main_~i~4 116)] [2018-07-23 13:45:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,394 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:45:59,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:45:59,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:45:59,398 INFO L87 Difference]: Start difference. First operand 311 states and 311 transitions. Second operand 156 states. [2018-07-23 13:45:59,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,711 INFO L93 Difference]: Finished difference Result 315 states and 315 transitions. [2018-07-23 13:45:59,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:45:59,711 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 310 [2018-07-23 13:45:59,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,712 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:45:59,712 INFO L226 Difference]: Without dead ends: 313 [2018-07-23 13:45:59,713 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:45:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-23 13:45:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-07-23 13:45:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-07-23 13:45:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 313 transitions. [2018-07-23 13:45:59,716 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 313 transitions. Word has length 310 [2018-07-23 13:45:59,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,716 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 313 transitions. [2018-07-23 13:45:59,716 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:45:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 313 transitions. [2018-07-23 13:45:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-07-23 13:45:59,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,717 INFO L357 BasicCegarLoop]: trace histogram [155, 154, 1, 1, 1] [2018-07-23 13:45:59,717 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1287475499, now seen corresponding path program 154 times [2018-07-23 13:45:59,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,306 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:00,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:46:00,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:00,307 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 13:46:00,307 INFO L185 omatonBuilderFactory]: Interpolants [111431#false, 111430#true, 111433#(<= ULTIMATE.start_main_~i~4 2), 111432#(<= ULTIMATE.start_main_~i~4 0), 111435#(<= ULTIMATE.start_main_~i~4 6), 111434#(<= ULTIMATE.start_main_~i~4 4), 111437#(<= ULTIMATE.start_main_~i~4 10), 111436#(<= ULTIMATE.start_main_~i~4 8), 111439#(<= ULTIMATE.start_main_~i~4 14), 111438#(<= ULTIMATE.start_main_~i~4 12), 111441#(<= ULTIMATE.start_main_~i~4 18), 111440#(<= ULTIMATE.start_main_~i~4 16), 111443#(<= ULTIMATE.start_main_~i~4 22), 111442#(<= ULTIMATE.start_main_~i~4 20), 111445#(<= ULTIMATE.start_main_~i~4 26), 111444#(<= ULTIMATE.start_main_~i~4 24), 111447#(<= ULTIMATE.start_main_~i~4 30), 111446#(<= ULTIMATE.start_main_~i~4 28), 111449#(<= ULTIMATE.start_main_~i~4 34), 111448#(<= ULTIMATE.start_main_~i~4 32), 111451#(<= ULTIMATE.start_main_~i~4 38), 111450#(<= ULTIMATE.start_main_~i~4 36), 111453#(<= ULTIMATE.start_main_~i~4 42), 111452#(<= ULTIMATE.start_main_~i~4 40), 111455#(<= ULTIMATE.start_main_~i~4 46), 111454#(<= ULTIMATE.start_main_~i~4 44), 111457#(<= ULTIMATE.start_main_~i~4 50), 111456#(<= ULTIMATE.start_main_~i~4 48), 111459#(<= ULTIMATE.start_main_~i~4 54), 111458#(<= ULTIMATE.start_main_~i~4 52), 111461#(<= ULTIMATE.start_main_~i~4 58), 111460#(<= ULTIMATE.start_main_~i~4 56), 111463#(<= ULTIMATE.start_main_~i~4 62), 111462#(<= ULTIMATE.start_main_~i~4 60), 111465#(<= ULTIMATE.start_main_~i~4 66), 111464#(<= ULTIMATE.start_main_~i~4 64), 111467#(<= ULTIMATE.start_main_~i~4 70), 111466#(<= ULTIMATE.start_main_~i~4 68), 111469#(<= ULTIMATE.start_main_~i~4 74), 111468#(<= ULTIMATE.start_main_~i~4 72), 111471#(<= ULTIMATE.start_main_~i~4 78), 111470#(<= ULTIMATE.start_main_~i~4 76), 111473#(<= ULTIMATE.start_main_~i~4 82), 111472#(<= ULTIMATE.start_main_~i~4 80), 111475#(<= ULTIMATE.start_main_~i~4 86), 111474#(<= ULTIMATE.start_main_~i~4 84), 111477#(<= ULTIMATE.start_main_~i~4 90), 111476#(<= ULTIMATE.start_main_~i~4 88), 111479#(<= ULTIMATE.start_main_~i~4 94), 111478#(<= ULTIMATE.start_main_~i~4 92), 111481#(<= ULTIMATE.start_main_~i~4 98), 111480#(<= ULTIMATE.start_main_~i~4 96), 111483#(<= ULTIMATE.start_main_~i~4 102), 111482#(<= ULTIMATE.start_main_~i~4 100), 111485#(<= ULTIMATE.start_main_~i~4 106), 111484#(<= ULTIMATE.start_main_~i~4 104), 111487#(<= ULTIMATE.start_main_~i~4 110), 111486#(<= ULTIMATE.start_main_~i~4 108), 111489#(<= ULTIMATE.start_main_~i~4 114), 111488#(<= ULTIMATE.start_main_~i~4 112), 111491#(<= ULTIMATE.start_main_~i~4 118), 111490#(<= ULTIMATE.start_main_~i~4 116), 111493#(<= ULTIMATE.start_main_~i~4 122), 111492#(<= ULTIMATE.start_main_~i~4 120), 111495#(<= ULTIMATE.start_main_~i~4 126), 111494#(<= ULTIMATE.start_main_~i~4 124), 111497#(<= ULTIMATE.start_main_~i~4 130), 111496#(<= ULTIMATE.start_main_~i~4 128), 111499#(<= ULTIMATE.start_main_~i~4 134), 111498#(<= ULTIMATE.start_main_~i~4 132), 111501#(<= ULTIMATE.start_main_~i~4 138), 111500#(<= ULTIMATE.start_main_~i~4 136), 111503#(<= ULTIMATE.start_main_~i~4 142), 111502#(<= ULTIMATE.start_main_~i~4 140), 111505#(<= ULTIMATE.start_main_~i~4 146), 111504#(<= ULTIMATE.start_main_~i~4 144), 111507#(<= ULTIMATE.start_main_~i~4 150), 111506#(<= ULTIMATE.start_main_~i~4 148), 111509#(<= ULTIMATE.start_main_~i~4 154), 111508#(<= ULTIMATE.start_main_~i~4 152), 111511#(<= ULTIMATE.start_main_~i~4 158), 111510#(<= ULTIMATE.start_main_~i~4 156), 111513#(<= ULTIMATE.start_main_~i~4 162), 111512#(<= ULTIMATE.start_main_~i~4 160), 111515#(<= ULTIMATE.start_main_~i~4 166), 111514#(<= ULTIMATE.start_main_~i~4 164), 111517#(<= ULTIMATE.start_main_~i~4 170), 111516#(<= ULTIMATE.start_main_~i~4 168), 111519#(<= ULTIMATE.start_main_~i~4 174), 111518#(<= ULTIMATE.start_main_~i~4 172), 111521#(<= ULTIMATE.start_main_~i~4 178), 111520#(<= ULTIMATE.start_main_~i~4 176), 111523#(<= ULTIMATE.start_main_~i~4 182), 111522#(<= ULTIMATE.start_main_~i~4 180), 111525#(<= ULTIMATE.start_main_~i~4 186), 111524#(<= ULTIMATE.start_main_~i~4 184), 111527#(<= ULTIMATE.start_main_~i~4 190), 111526#(<= ULTIMATE.start_main_~i~4 188), 111529#(<= ULTIMATE.start_main_~i~4 194), 111528#(<= ULTIMATE.start_main_~i~4 192), 111531#(<= ULTIMATE.start_main_~i~4 198), 111530#(<= ULTIMATE.start_main_~i~4 196), 111533#(<= ULTIMATE.start_main_~i~4 202), 111532#(<= ULTIMATE.start_main_~i~4 200), 111535#(<= ULTIMATE.start_main_~i~4 206), 111534#(<= ULTIMATE.start_main_~i~4 204), 111537#(<= ULTIMATE.start_main_~i~4 210), 111536#(<= ULTIMATE.start_main_~i~4 208), 111539#(<= ULTIMATE.start_main_~i~4 214), 111538#(<= ULTIMATE.start_main_~i~4 212), 111541#(<= ULTIMATE.start_main_~i~4 218), 111540#(<= ULTIMATE.start_main_~i~4 216), 111543#(<= ULTIMATE.start_main_~i~4 222), 111542#(<= ULTIMATE.start_main_~i~4 220), 111545#(<= ULTIMATE.start_main_~i~4 226), 111544#(<= ULTIMATE.start_main_~i~4 224), 111547#(<= ULTIMATE.start_main_~i~4 230), 111546#(<= ULTIMATE.start_main_~i~4 228), 111549#(<= ULTIMATE.start_main_~i~4 234), 111548#(<= ULTIMATE.start_main_~i~4 232), 111551#(<= ULTIMATE.start_main_~i~4 238), 111550#(<= ULTIMATE.start_main_~i~4 236), 111553#(<= ULTIMATE.start_main_~i~4 242), 111552#(<= ULTIMATE.start_main_~i~4 240), 111555#(<= ULTIMATE.start_main_~i~4 246), 111554#(<= ULTIMATE.start_main_~i~4 244), 111557#(<= ULTIMATE.start_main_~i~4 250), 111556#(<= ULTIMATE.start_main_~i~4 248), 111559#(<= ULTIMATE.start_main_~i~4 254), 111558#(<= ULTIMATE.start_main_~i~4 252), 111561#(<= ULTIMATE.start_main_~i~4 258), 111560#(<= ULTIMATE.start_main_~i~4 256), 111563#(<= ULTIMATE.start_main_~i~4 262), 111562#(<= ULTIMATE.start_main_~i~4 260), 111565#(<= ULTIMATE.start_main_~i~4 266), 111564#(<= ULTIMATE.start_main_~i~4 264), 111567#(<= ULTIMATE.start_main_~i~4 270), 111566#(<= ULTIMATE.start_main_~i~4 268), 111569#(<= ULTIMATE.start_main_~i~4 274), 111568#(<= ULTIMATE.start_main_~i~4 272), 111571#(<= ULTIMATE.start_main_~i~4 278), 111570#(<= ULTIMATE.start_main_~i~4 276), 111573#(<= ULTIMATE.start_main_~i~4 282), 111572#(<= ULTIMATE.start_main_~i~4 280), 111575#(<= ULTIMATE.start_main_~i~4 286), 111574#(<= ULTIMATE.start_main_~i~4 284), 111577#(<= ULTIMATE.start_main_~i~4 290), 111576#(<= ULTIMATE.start_main_~i~4 288), 111579#(<= ULTIMATE.start_main_~i~4 294), 111578#(<= ULTIMATE.start_main_~i~4 292), 111581#(<= ULTIMATE.start_main_~i~4 298), 111580#(<= ULTIMATE.start_main_~i~4 296), 111583#(<= ULTIMATE.start_main_~i~4 302), 111582#(<= ULTIMATE.start_main_~i~4 300), 111585#(<= ULTIMATE.start_main_~i~4 306), 111584#(<= ULTIMATE.start_main_~i~4 304), 111586#(<= ULTIMATE.start_main_~i~4 308)] [2018-07-23 13:46:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,308 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:46:00,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:46:00,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:46:00,310 INFO L87 Difference]: Start difference. First operand 313 states and 313 transitions. Second operand 157 states. [2018-07-23 13:46:00,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:00,956 INFO L93 Difference]: Finished difference Result 317 states and 317 transitions. [2018-07-23 13:46:00,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:46:00,956 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 312 [2018-07-23 13:46:00,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:00,957 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:46:00,957 INFO L226 Difference]: Without dead ends: 315 [2018-07-23 13:46:00,958 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:46:00,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-07-23 13:46:00,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2018-07-23 13:46:00,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-07-23 13:46:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 315 transitions. [2018-07-23 13:46:00,963 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 315 transitions. Word has length 312 [2018-07-23 13:46:00,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:00,963 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 315 transitions. [2018-07-23 13:46:00,963 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:46:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 315 transitions. [2018-07-23 13:46:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-23 13:46:00,964 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:00,965 INFO L357 BasicCegarLoop]: trace histogram [156, 155, 1, 1, 1] [2018-07-23 13:46:00,965 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash 313425381, now seen corresponding path program 155 times [2018-07-23 13:46:00,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,704 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:01,704 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:46:01,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,704 INFO L185 omatonBuilderFactory]: Interpolants [112897#(<= ULTIMATE.start_main_~i~4 88), 112896#(<= ULTIMATE.start_main_~i~4 86), 112899#(<= ULTIMATE.start_main_~i~4 92), 112898#(<= ULTIMATE.start_main_~i~4 90), 112901#(<= ULTIMATE.start_main_~i~4 96), 112900#(<= ULTIMATE.start_main_~i~4 94), 112903#(<= ULTIMATE.start_main_~i~4 100), 112902#(<= ULTIMATE.start_main_~i~4 98), 112905#(<= ULTIMATE.start_main_~i~4 104), 112904#(<= ULTIMATE.start_main_~i~4 102), 112907#(<= ULTIMATE.start_main_~i~4 108), 112906#(<= ULTIMATE.start_main_~i~4 106), 112909#(<= ULTIMATE.start_main_~i~4 112), 112908#(<= ULTIMATE.start_main_~i~4 110), 112911#(<= ULTIMATE.start_main_~i~4 116), 112910#(<= ULTIMATE.start_main_~i~4 114), 112913#(<= ULTIMATE.start_main_~i~4 120), 112912#(<= ULTIMATE.start_main_~i~4 118), 112915#(<= ULTIMATE.start_main_~i~4 124), 112914#(<= ULTIMATE.start_main_~i~4 122), 112917#(<= ULTIMATE.start_main_~i~4 128), 112916#(<= ULTIMATE.start_main_~i~4 126), 112919#(<= ULTIMATE.start_main_~i~4 132), 112918#(<= ULTIMATE.start_main_~i~4 130), 112921#(<= ULTIMATE.start_main_~i~4 136), 112920#(<= ULTIMATE.start_main_~i~4 134), 112923#(<= ULTIMATE.start_main_~i~4 140), 112922#(<= ULTIMATE.start_main_~i~4 138), 112925#(<= ULTIMATE.start_main_~i~4 144), 112924#(<= ULTIMATE.start_main_~i~4 142), 112927#(<= ULTIMATE.start_main_~i~4 148), 112926#(<= ULTIMATE.start_main_~i~4 146), 112929#(<= ULTIMATE.start_main_~i~4 152), 112928#(<= ULTIMATE.start_main_~i~4 150), 112931#(<= ULTIMATE.start_main_~i~4 156), 112930#(<= ULTIMATE.start_main_~i~4 154), 112933#(<= ULTIMATE.start_main_~i~4 160), 112932#(<= ULTIMATE.start_main_~i~4 158), 112935#(<= ULTIMATE.start_main_~i~4 164), 112934#(<= ULTIMATE.start_main_~i~4 162), 112937#(<= ULTIMATE.start_main_~i~4 168), 112936#(<= ULTIMATE.start_main_~i~4 166), 112939#(<= ULTIMATE.start_main_~i~4 172), 112938#(<= ULTIMATE.start_main_~i~4 170), 112941#(<= ULTIMATE.start_main_~i~4 176), 112940#(<= ULTIMATE.start_main_~i~4 174), 112943#(<= ULTIMATE.start_main_~i~4 180), 112942#(<= ULTIMATE.start_main_~i~4 178), 112945#(<= ULTIMATE.start_main_~i~4 184), 112944#(<= ULTIMATE.start_main_~i~4 182), 112947#(<= ULTIMATE.start_main_~i~4 188), 112946#(<= ULTIMATE.start_main_~i~4 186), 112949#(<= ULTIMATE.start_main_~i~4 192), 112948#(<= ULTIMATE.start_main_~i~4 190), 112951#(<= ULTIMATE.start_main_~i~4 196), 112950#(<= ULTIMATE.start_main_~i~4 194), 112953#(<= ULTIMATE.start_main_~i~4 200), 112952#(<= ULTIMATE.start_main_~i~4 198), 112955#(<= ULTIMATE.start_main_~i~4 204), 112954#(<= ULTIMATE.start_main_~i~4 202), 112957#(<= ULTIMATE.start_main_~i~4 208), 112956#(<= ULTIMATE.start_main_~i~4 206), 112959#(<= ULTIMATE.start_main_~i~4 212), 112958#(<= ULTIMATE.start_main_~i~4 210), 112961#(<= ULTIMATE.start_main_~i~4 216), 112960#(<= ULTIMATE.start_main_~i~4 214), 112963#(<= ULTIMATE.start_main_~i~4 220), 112962#(<= ULTIMATE.start_main_~i~4 218), 112965#(<= ULTIMATE.start_main_~i~4 224), 112964#(<= ULTIMATE.start_main_~i~4 222), 112967#(<= ULTIMATE.start_main_~i~4 228), 112966#(<= ULTIMATE.start_main_~i~4 226), 112969#(<= ULTIMATE.start_main_~i~4 232), 112968#(<= ULTIMATE.start_main_~i~4 230), 112971#(<= ULTIMATE.start_main_~i~4 236), 112970#(<= ULTIMATE.start_main_~i~4 234), 112973#(<= ULTIMATE.start_main_~i~4 240), 112972#(<= ULTIMATE.start_main_~i~4 238), 112975#(<= ULTIMATE.start_main_~i~4 244), 112974#(<= ULTIMATE.start_main_~i~4 242), 112977#(<= ULTIMATE.start_main_~i~4 248), 112976#(<= ULTIMATE.start_main_~i~4 246), 112979#(<= ULTIMATE.start_main_~i~4 252), 112978#(<= ULTIMATE.start_main_~i~4 250), 112981#(<= ULTIMATE.start_main_~i~4 256), 112980#(<= ULTIMATE.start_main_~i~4 254), 112983#(<= ULTIMATE.start_main_~i~4 260), 112982#(<= ULTIMATE.start_main_~i~4 258), 112985#(<= ULTIMATE.start_main_~i~4 264), 112984#(<= ULTIMATE.start_main_~i~4 262), 112987#(<= ULTIMATE.start_main_~i~4 268), 112986#(<= ULTIMATE.start_main_~i~4 266), 112989#(<= ULTIMATE.start_main_~i~4 272), 112988#(<= ULTIMATE.start_main_~i~4 270), 112991#(<= ULTIMATE.start_main_~i~4 276), 112990#(<= ULTIMATE.start_main_~i~4 274), 112993#(<= ULTIMATE.start_main_~i~4 280), 112992#(<= ULTIMATE.start_main_~i~4 278), 112995#(<= ULTIMATE.start_main_~i~4 284), 112994#(<= ULTIMATE.start_main_~i~4 282), 112997#(<= ULTIMATE.start_main_~i~4 288), 112996#(<= ULTIMATE.start_main_~i~4 286), 112999#(<= ULTIMATE.start_main_~i~4 292), 112998#(<= ULTIMATE.start_main_~i~4 290), 113001#(<= ULTIMATE.start_main_~i~4 296), 113000#(<= ULTIMATE.start_main_~i~4 294), 113003#(<= ULTIMATE.start_main_~i~4 300), 113002#(<= ULTIMATE.start_main_~i~4 298), 113005#(<= ULTIMATE.start_main_~i~4 304), 113004#(<= ULTIMATE.start_main_~i~4 302), 113007#(<= ULTIMATE.start_main_~i~4 308), 113006#(<= ULTIMATE.start_main_~i~4 306), 113008#(<= ULTIMATE.start_main_~i~4 310), 112851#true, 112853#(<= ULTIMATE.start_main_~i~4 0), 112852#false, 112855#(<= ULTIMATE.start_main_~i~4 4), 112854#(<= ULTIMATE.start_main_~i~4 2), 112857#(<= ULTIMATE.start_main_~i~4 8), 112856#(<= ULTIMATE.start_main_~i~4 6), 112859#(<= ULTIMATE.start_main_~i~4 12), 112858#(<= ULTIMATE.start_main_~i~4 10), 112861#(<= ULTIMATE.start_main_~i~4 16), 112860#(<= ULTIMATE.start_main_~i~4 14), 112863#(<= ULTIMATE.start_main_~i~4 20), 112862#(<= ULTIMATE.start_main_~i~4 18), 112865#(<= ULTIMATE.start_main_~i~4 24), 112864#(<= ULTIMATE.start_main_~i~4 22), 112867#(<= ULTIMATE.start_main_~i~4 28), 112866#(<= ULTIMATE.start_main_~i~4 26), 112869#(<= ULTIMATE.start_main_~i~4 32), 112868#(<= ULTIMATE.start_main_~i~4 30), 112871#(<= ULTIMATE.start_main_~i~4 36), 112870#(<= ULTIMATE.start_main_~i~4 34), 112873#(<= ULTIMATE.start_main_~i~4 40), 112872#(<= ULTIMATE.start_main_~i~4 38), 112875#(<= ULTIMATE.start_main_~i~4 44), 112874#(<= ULTIMATE.start_main_~i~4 42), 112877#(<= ULTIMATE.start_main_~i~4 48), 112876#(<= ULTIMATE.start_main_~i~4 46), 112879#(<= ULTIMATE.start_main_~i~4 52), 112878#(<= ULTIMATE.start_main_~i~4 50), 112881#(<= ULTIMATE.start_main_~i~4 56), 112880#(<= ULTIMATE.start_main_~i~4 54), 112883#(<= ULTIMATE.start_main_~i~4 60), 112882#(<= ULTIMATE.start_main_~i~4 58), 112885#(<= ULTIMATE.start_main_~i~4 64), 112884#(<= ULTIMATE.start_main_~i~4 62), 112887#(<= ULTIMATE.start_main_~i~4 68), 112886#(<= ULTIMATE.start_main_~i~4 66), 112889#(<= ULTIMATE.start_main_~i~4 72), 112888#(<= ULTIMATE.start_main_~i~4 70), 112891#(<= ULTIMATE.start_main_~i~4 76), 112890#(<= ULTIMATE.start_main_~i~4 74), 112893#(<= ULTIMATE.start_main_~i~4 80), 112892#(<= ULTIMATE.start_main_~i~4 78), 112895#(<= ULTIMATE.start_main_~i~4 84), 112894#(<= ULTIMATE.start_main_~i~4 82)] [2018-07-23 13:46:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,706 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:46:01,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:46:01,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:46:01,707 INFO L87 Difference]: Start difference. First operand 315 states and 315 transitions. Second operand 158 states. [2018-07-23 13:46:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:02,146 INFO L93 Difference]: Finished difference Result 319 states and 319 transitions. [2018-07-23 13:46:02,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:46:02,146 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 314 [2018-07-23 13:46:02,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:02,147 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:46:02,147 INFO L226 Difference]: Without dead ends: 317 [2018-07-23 13:46:02,147 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:46:02,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-07-23 13:46:02,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-07-23 13:46:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-07-23 13:46:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 317 transitions. [2018-07-23 13:46:02,150 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 317 transitions. Word has length 314 [2018-07-23 13:46:02,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:02,150 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 317 transitions. [2018-07-23 13:46:02,151 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:46:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 317 transitions. [2018-07-23 13:46:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-07-23 13:46:02,151 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:02,151 INFO L357 BasicCegarLoop]: trace histogram [157, 156, 1, 1, 1] [2018-07-23 13:46:02,152 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:02,152 INFO L82 PathProgramCache]: Analyzing trace with hash 554132511, now seen corresponding path program 156 times [2018-07-23 13:46:02,152 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,759 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,760 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,760 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:46:02,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,760 INFO L185 omatonBuilderFactory]: Interpolants [114433#(<= ULTIMATE.start_main_~i~4 300), 114432#(<= ULTIMATE.start_main_~i~4 298), 114435#(<= ULTIMATE.start_main_~i~4 304), 114434#(<= ULTIMATE.start_main_~i~4 302), 114437#(<= ULTIMATE.start_main_~i~4 308), 114436#(<= ULTIMATE.start_main_~i~4 306), 114439#(<= ULTIMATE.start_main_~i~4 312), 114438#(<= ULTIMATE.start_main_~i~4 310), 114281#true, 114283#(<= ULTIMATE.start_main_~i~4 0), 114282#false, 114285#(<= ULTIMATE.start_main_~i~4 4), 114284#(<= ULTIMATE.start_main_~i~4 2), 114287#(<= ULTIMATE.start_main_~i~4 8), 114286#(<= ULTIMATE.start_main_~i~4 6), 114289#(<= ULTIMATE.start_main_~i~4 12), 114288#(<= ULTIMATE.start_main_~i~4 10), 114291#(<= ULTIMATE.start_main_~i~4 16), 114290#(<= ULTIMATE.start_main_~i~4 14), 114293#(<= ULTIMATE.start_main_~i~4 20), 114292#(<= ULTIMATE.start_main_~i~4 18), 114295#(<= ULTIMATE.start_main_~i~4 24), 114294#(<= ULTIMATE.start_main_~i~4 22), 114297#(<= ULTIMATE.start_main_~i~4 28), 114296#(<= ULTIMATE.start_main_~i~4 26), 114299#(<= ULTIMATE.start_main_~i~4 32), 114298#(<= ULTIMATE.start_main_~i~4 30), 114301#(<= ULTIMATE.start_main_~i~4 36), 114300#(<= ULTIMATE.start_main_~i~4 34), 114303#(<= ULTIMATE.start_main_~i~4 40), 114302#(<= ULTIMATE.start_main_~i~4 38), 114305#(<= ULTIMATE.start_main_~i~4 44), 114304#(<= ULTIMATE.start_main_~i~4 42), 114307#(<= ULTIMATE.start_main_~i~4 48), 114306#(<= ULTIMATE.start_main_~i~4 46), 114309#(<= ULTIMATE.start_main_~i~4 52), 114308#(<= ULTIMATE.start_main_~i~4 50), 114311#(<= ULTIMATE.start_main_~i~4 56), 114310#(<= ULTIMATE.start_main_~i~4 54), 114313#(<= ULTIMATE.start_main_~i~4 60), 114312#(<= ULTIMATE.start_main_~i~4 58), 114315#(<= ULTIMATE.start_main_~i~4 64), 114314#(<= ULTIMATE.start_main_~i~4 62), 114317#(<= ULTIMATE.start_main_~i~4 68), 114316#(<= ULTIMATE.start_main_~i~4 66), 114319#(<= ULTIMATE.start_main_~i~4 72), 114318#(<= ULTIMATE.start_main_~i~4 70), 114321#(<= ULTIMATE.start_main_~i~4 76), 114320#(<= ULTIMATE.start_main_~i~4 74), 114323#(<= ULTIMATE.start_main_~i~4 80), 114322#(<= ULTIMATE.start_main_~i~4 78), 114325#(<= ULTIMATE.start_main_~i~4 84), 114324#(<= ULTIMATE.start_main_~i~4 82), 114327#(<= ULTIMATE.start_main_~i~4 88), 114326#(<= ULTIMATE.start_main_~i~4 86), 114329#(<= ULTIMATE.start_main_~i~4 92), 114328#(<= ULTIMATE.start_main_~i~4 90), 114331#(<= ULTIMATE.start_main_~i~4 96), 114330#(<= ULTIMATE.start_main_~i~4 94), 114333#(<= ULTIMATE.start_main_~i~4 100), 114332#(<= ULTIMATE.start_main_~i~4 98), 114335#(<= ULTIMATE.start_main_~i~4 104), 114334#(<= ULTIMATE.start_main_~i~4 102), 114337#(<= ULTIMATE.start_main_~i~4 108), 114336#(<= ULTIMATE.start_main_~i~4 106), 114339#(<= ULTIMATE.start_main_~i~4 112), 114338#(<= ULTIMATE.start_main_~i~4 110), 114341#(<= ULTIMATE.start_main_~i~4 116), 114340#(<= ULTIMATE.start_main_~i~4 114), 114343#(<= ULTIMATE.start_main_~i~4 120), 114342#(<= ULTIMATE.start_main_~i~4 118), 114345#(<= ULTIMATE.start_main_~i~4 124), 114344#(<= ULTIMATE.start_main_~i~4 122), 114347#(<= ULTIMATE.start_main_~i~4 128), 114346#(<= ULTIMATE.start_main_~i~4 126), 114349#(<= ULTIMATE.start_main_~i~4 132), 114348#(<= ULTIMATE.start_main_~i~4 130), 114351#(<= ULTIMATE.start_main_~i~4 136), 114350#(<= ULTIMATE.start_main_~i~4 134), 114353#(<= ULTIMATE.start_main_~i~4 140), 114352#(<= ULTIMATE.start_main_~i~4 138), 114355#(<= ULTIMATE.start_main_~i~4 144), 114354#(<= ULTIMATE.start_main_~i~4 142), 114357#(<= ULTIMATE.start_main_~i~4 148), 114356#(<= ULTIMATE.start_main_~i~4 146), 114359#(<= ULTIMATE.start_main_~i~4 152), 114358#(<= ULTIMATE.start_main_~i~4 150), 114361#(<= ULTIMATE.start_main_~i~4 156), 114360#(<= ULTIMATE.start_main_~i~4 154), 114363#(<= ULTIMATE.start_main_~i~4 160), 114362#(<= ULTIMATE.start_main_~i~4 158), 114365#(<= ULTIMATE.start_main_~i~4 164), 114364#(<= ULTIMATE.start_main_~i~4 162), 114367#(<= ULTIMATE.start_main_~i~4 168), 114366#(<= ULTIMATE.start_main_~i~4 166), 114369#(<= ULTIMATE.start_main_~i~4 172), 114368#(<= ULTIMATE.start_main_~i~4 170), 114371#(<= ULTIMATE.start_main_~i~4 176), 114370#(<= ULTIMATE.start_main_~i~4 174), 114373#(<= ULTIMATE.start_main_~i~4 180), 114372#(<= ULTIMATE.start_main_~i~4 178), 114375#(<= ULTIMATE.start_main_~i~4 184), 114374#(<= ULTIMATE.start_main_~i~4 182), 114377#(<= ULTIMATE.start_main_~i~4 188), 114376#(<= ULTIMATE.start_main_~i~4 186), 114379#(<= ULTIMATE.start_main_~i~4 192), 114378#(<= ULTIMATE.start_main_~i~4 190), 114381#(<= ULTIMATE.start_main_~i~4 196), 114380#(<= ULTIMATE.start_main_~i~4 194), 114383#(<= ULTIMATE.start_main_~i~4 200), 114382#(<= ULTIMATE.start_main_~i~4 198), 114385#(<= ULTIMATE.start_main_~i~4 204), 114384#(<= ULTIMATE.start_main_~i~4 202), 114387#(<= ULTIMATE.start_main_~i~4 208), 114386#(<= ULTIMATE.start_main_~i~4 206), 114389#(<= ULTIMATE.start_main_~i~4 212), 114388#(<= ULTIMATE.start_main_~i~4 210), 114391#(<= ULTIMATE.start_main_~i~4 216), 114390#(<= ULTIMATE.start_main_~i~4 214), 114393#(<= ULTIMATE.start_main_~i~4 220), 114392#(<= ULTIMATE.start_main_~i~4 218), 114395#(<= ULTIMATE.start_main_~i~4 224), 114394#(<= ULTIMATE.start_main_~i~4 222), 114397#(<= ULTIMATE.start_main_~i~4 228), 114396#(<= ULTIMATE.start_main_~i~4 226), 114399#(<= ULTIMATE.start_main_~i~4 232), 114398#(<= ULTIMATE.start_main_~i~4 230), 114401#(<= ULTIMATE.start_main_~i~4 236), 114400#(<= ULTIMATE.start_main_~i~4 234), 114403#(<= ULTIMATE.start_main_~i~4 240), 114402#(<= ULTIMATE.start_main_~i~4 238), 114405#(<= ULTIMATE.start_main_~i~4 244), 114404#(<= ULTIMATE.start_main_~i~4 242), 114407#(<= ULTIMATE.start_main_~i~4 248), 114406#(<= ULTIMATE.start_main_~i~4 246), 114409#(<= ULTIMATE.start_main_~i~4 252), 114408#(<= ULTIMATE.start_main_~i~4 250), 114411#(<= ULTIMATE.start_main_~i~4 256), 114410#(<= ULTIMATE.start_main_~i~4 254), 114413#(<= ULTIMATE.start_main_~i~4 260), 114412#(<= ULTIMATE.start_main_~i~4 258), 114415#(<= ULTIMATE.start_main_~i~4 264), 114414#(<= ULTIMATE.start_main_~i~4 262), 114417#(<= ULTIMATE.start_main_~i~4 268), 114416#(<= ULTIMATE.start_main_~i~4 266), 114419#(<= ULTIMATE.start_main_~i~4 272), 114418#(<= ULTIMATE.start_main_~i~4 270), 114421#(<= ULTIMATE.start_main_~i~4 276), 114420#(<= ULTIMATE.start_main_~i~4 274), 114423#(<= ULTIMATE.start_main_~i~4 280), 114422#(<= ULTIMATE.start_main_~i~4 278), 114425#(<= ULTIMATE.start_main_~i~4 284), 114424#(<= ULTIMATE.start_main_~i~4 282), 114427#(<= ULTIMATE.start_main_~i~4 288), 114426#(<= ULTIMATE.start_main_~i~4 286), 114429#(<= ULTIMATE.start_main_~i~4 292), 114428#(<= ULTIMATE.start_main_~i~4 290), 114431#(<= ULTIMATE.start_main_~i~4 296), 114430#(<= ULTIMATE.start_main_~i~4 294)] [2018-07-23 13:46:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,761 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:46:02,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:46:02,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:46:02,764 INFO L87 Difference]: Start difference. First operand 317 states and 317 transitions. Second operand 159 states. [2018-07-23 13:46:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:03,402 INFO L93 Difference]: Finished difference Result 321 states and 321 transitions. [2018-07-23 13:46:03,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:46:03,403 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 316 [2018-07-23 13:46:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:03,403 INFO L225 Difference]: With dead ends: 321 [2018-07-23 13:46:03,404 INFO L226 Difference]: Without dead ends: 319 [2018-07-23 13:46:03,405 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:46:03,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-07-23 13:46:03,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-07-23 13:46:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-07-23 13:46:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 319 transitions. [2018-07-23 13:46:03,409 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 319 transitions. Word has length 316 [2018-07-23 13:46:03,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:03,409 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 319 transitions. [2018-07-23 13:46:03,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:46:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 319 transitions. [2018-07-23 13:46:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-07-23 13:46:03,410 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:03,410 INFO L357 BasicCegarLoop]: trace histogram [158, 157, 1, 1, 1] [2018-07-23 13:46:03,411 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:03,411 INFO L82 PathProgramCache]: Analyzing trace with hash -54549543, now seen corresponding path program 157 times [2018-07-23 13:46:03,411 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,026 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:04,026 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:46:04,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,027 INFO L185 omatonBuilderFactory]: Interpolants [115721#false, 115720#true, 115723#(<= ULTIMATE.start_main_~i~4 2), 115722#(<= ULTIMATE.start_main_~i~4 0), 115725#(<= ULTIMATE.start_main_~i~4 6), 115724#(<= ULTIMATE.start_main_~i~4 4), 115727#(<= ULTIMATE.start_main_~i~4 10), 115726#(<= ULTIMATE.start_main_~i~4 8), 115729#(<= ULTIMATE.start_main_~i~4 14), 115728#(<= ULTIMATE.start_main_~i~4 12), 115731#(<= ULTIMATE.start_main_~i~4 18), 115730#(<= ULTIMATE.start_main_~i~4 16), 115733#(<= ULTIMATE.start_main_~i~4 22), 115732#(<= ULTIMATE.start_main_~i~4 20), 115735#(<= ULTIMATE.start_main_~i~4 26), 115734#(<= ULTIMATE.start_main_~i~4 24), 115737#(<= ULTIMATE.start_main_~i~4 30), 115736#(<= ULTIMATE.start_main_~i~4 28), 115739#(<= ULTIMATE.start_main_~i~4 34), 115738#(<= ULTIMATE.start_main_~i~4 32), 115741#(<= ULTIMATE.start_main_~i~4 38), 115740#(<= ULTIMATE.start_main_~i~4 36), 115743#(<= ULTIMATE.start_main_~i~4 42), 115742#(<= ULTIMATE.start_main_~i~4 40), 115745#(<= ULTIMATE.start_main_~i~4 46), 115744#(<= ULTIMATE.start_main_~i~4 44), 115747#(<= ULTIMATE.start_main_~i~4 50), 115746#(<= ULTIMATE.start_main_~i~4 48), 115749#(<= ULTIMATE.start_main_~i~4 54), 115748#(<= ULTIMATE.start_main_~i~4 52), 115751#(<= ULTIMATE.start_main_~i~4 58), 115750#(<= ULTIMATE.start_main_~i~4 56), 115753#(<= ULTIMATE.start_main_~i~4 62), 115752#(<= ULTIMATE.start_main_~i~4 60), 115755#(<= ULTIMATE.start_main_~i~4 66), 115754#(<= ULTIMATE.start_main_~i~4 64), 115757#(<= ULTIMATE.start_main_~i~4 70), 115756#(<= ULTIMATE.start_main_~i~4 68), 115759#(<= ULTIMATE.start_main_~i~4 74), 115758#(<= ULTIMATE.start_main_~i~4 72), 115761#(<= ULTIMATE.start_main_~i~4 78), 115760#(<= ULTIMATE.start_main_~i~4 76), 115763#(<= ULTIMATE.start_main_~i~4 82), 115762#(<= ULTIMATE.start_main_~i~4 80), 115765#(<= ULTIMATE.start_main_~i~4 86), 115764#(<= ULTIMATE.start_main_~i~4 84), 115767#(<= ULTIMATE.start_main_~i~4 90), 115766#(<= ULTIMATE.start_main_~i~4 88), 115769#(<= ULTIMATE.start_main_~i~4 94), 115768#(<= ULTIMATE.start_main_~i~4 92), 115771#(<= ULTIMATE.start_main_~i~4 98), 115770#(<= ULTIMATE.start_main_~i~4 96), 115773#(<= ULTIMATE.start_main_~i~4 102), 115772#(<= ULTIMATE.start_main_~i~4 100), 115775#(<= ULTIMATE.start_main_~i~4 106), 115774#(<= ULTIMATE.start_main_~i~4 104), 115777#(<= ULTIMATE.start_main_~i~4 110), 115776#(<= ULTIMATE.start_main_~i~4 108), 115779#(<= ULTIMATE.start_main_~i~4 114), 115778#(<= ULTIMATE.start_main_~i~4 112), 115781#(<= ULTIMATE.start_main_~i~4 118), 115780#(<= ULTIMATE.start_main_~i~4 116), 115783#(<= ULTIMATE.start_main_~i~4 122), 115782#(<= ULTIMATE.start_main_~i~4 120), 115785#(<= ULTIMATE.start_main_~i~4 126), 115784#(<= ULTIMATE.start_main_~i~4 124), 115787#(<= ULTIMATE.start_main_~i~4 130), 115786#(<= ULTIMATE.start_main_~i~4 128), 115789#(<= ULTIMATE.start_main_~i~4 134), 115788#(<= ULTIMATE.start_main_~i~4 132), 115791#(<= ULTIMATE.start_main_~i~4 138), 115790#(<= ULTIMATE.start_main_~i~4 136), 115793#(<= ULTIMATE.start_main_~i~4 142), 115792#(<= ULTIMATE.start_main_~i~4 140), 115795#(<= ULTIMATE.start_main_~i~4 146), 115794#(<= ULTIMATE.start_main_~i~4 144), 115797#(<= ULTIMATE.start_main_~i~4 150), 115796#(<= ULTIMATE.start_main_~i~4 148), 115799#(<= ULTIMATE.start_main_~i~4 154), 115798#(<= ULTIMATE.start_main_~i~4 152), 115801#(<= ULTIMATE.start_main_~i~4 158), 115800#(<= ULTIMATE.start_main_~i~4 156), 115803#(<= ULTIMATE.start_main_~i~4 162), 115802#(<= ULTIMATE.start_main_~i~4 160), 115805#(<= ULTIMATE.start_main_~i~4 166), 115804#(<= ULTIMATE.start_main_~i~4 164), 115807#(<= ULTIMATE.start_main_~i~4 170), 115806#(<= ULTIMATE.start_main_~i~4 168), 115809#(<= ULTIMATE.start_main_~i~4 174), 115808#(<= ULTIMATE.start_main_~i~4 172), 115811#(<= ULTIMATE.start_main_~i~4 178), 115810#(<= ULTIMATE.start_main_~i~4 176), 115813#(<= ULTIMATE.start_main_~i~4 182), 115812#(<= ULTIMATE.start_main_~i~4 180), 115815#(<= ULTIMATE.start_main_~i~4 186), 115814#(<= ULTIMATE.start_main_~i~4 184), 115817#(<= ULTIMATE.start_main_~i~4 190), 115816#(<= ULTIMATE.start_main_~i~4 188), 115819#(<= ULTIMATE.start_main_~i~4 194), 115818#(<= ULTIMATE.start_main_~i~4 192), 115821#(<= ULTIMATE.start_main_~i~4 198), 115820#(<= ULTIMATE.start_main_~i~4 196), 115823#(<= ULTIMATE.start_main_~i~4 202), 115822#(<= ULTIMATE.start_main_~i~4 200), 115825#(<= ULTIMATE.start_main_~i~4 206), 115824#(<= ULTIMATE.start_main_~i~4 204), 115827#(<= ULTIMATE.start_main_~i~4 210), 115826#(<= ULTIMATE.start_main_~i~4 208), 115829#(<= ULTIMATE.start_main_~i~4 214), 115828#(<= ULTIMATE.start_main_~i~4 212), 115831#(<= ULTIMATE.start_main_~i~4 218), 115830#(<= ULTIMATE.start_main_~i~4 216), 115833#(<= ULTIMATE.start_main_~i~4 222), 115832#(<= ULTIMATE.start_main_~i~4 220), 115835#(<= ULTIMATE.start_main_~i~4 226), 115834#(<= ULTIMATE.start_main_~i~4 224), 115837#(<= ULTIMATE.start_main_~i~4 230), 115836#(<= ULTIMATE.start_main_~i~4 228), 115839#(<= ULTIMATE.start_main_~i~4 234), 115838#(<= ULTIMATE.start_main_~i~4 232), 115841#(<= ULTIMATE.start_main_~i~4 238), 115840#(<= ULTIMATE.start_main_~i~4 236), 115843#(<= ULTIMATE.start_main_~i~4 242), 115842#(<= ULTIMATE.start_main_~i~4 240), 115845#(<= ULTIMATE.start_main_~i~4 246), 115844#(<= ULTIMATE.start_main_~i~4 244), 115847#(<= ULTIMATE.start_main_~i~4 250), 115846#(<= ULTIMATE.start_main_~i~4 248), 115849#(<= ULTIMATE.start_main_~i~4 254), 115848#(<= ULTIMATE.start_main_~i~4 252), 115851#(<= ULTIMATE.start_main_~i~4 258), 115850#(<= ULTIMATE.start_main_~i~4 256), 115853#(<= ULTIMATE.start_main_~i~4 262), 115852#(<= ULTIMATE.start_main_~i~4 260), 115855#(<= ULTIMATE.start_main_~i~4 266), 115854#(<= ULTIMATE.start_main_~i~4 264), 115857#(<= ULTIMATE.start_main_~i~4 270), 115856#(<= ULTIMATE.start_main_~i~4 268), 115859#(<= ULTIMATE.start_main_~i~4 274), 115858#(<= ULTIMATE.start_main_~i~4 272), 115861#(<= ULTIMATE.start_main_~i~4 278), 115860#(<= ULTIMATE.start_main_~i~4 276), 115863#(<= ULTIMATE.start_main_~i~4 282), 115862#(<= ULTIMATE.start_main_~i~4 280), 115865#(<= ULTIMATE.start_main_~i~4 286), 115864#(<= ULTIMATE.start_main_~i~4 284), 115867#(<= ULTIMATE.start_main_~i~4 290), 115866#(<= ULTIMATE.start_main_~i~4 288), 115869#(<= ULTIMATE.start_main_~i~4 294), 115868#(<= ULTIMATE.start_main_~i~4 292), 115871#(<= ULTIMATE.start_main_~i~4 298), 115870#(<= ULTIMATE.start_main_~i~4 296), 115873#(<= ULTIMATE.start_main_~i~4 302), 115872#(<= ULTIMATE.start_main_~i~4 300), 115875#(<= ULTIMATE.start_main_~i~4 306), 115874#(<= ULTIMATE.start_main_~i~4 304), 115877#(<= ULTIMATE.start_main_~i~4 310), 115876#(<= ULTIMATE.start_main_~i~4 308), 115879#(<= ULTIMATE.start_main_~i~4 314), 115878#(<= ULTIMATE.start_main_~i~4 312)] [2018-07-23 13:46:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,029 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:46:04,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:46:04,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:46:04,032 INFO L87 Difference]: Start difference. First operand 319 states and 319 transitions. Second operand 160 states. [2018-07-23 13:46:04,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:04,850 INFO L93 Difference]: Finished difference Result 323 states and 323 transitions. [2018-07-23 13:46:04,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:46:04,850 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 318 [2018-07-23 13:46:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:04,851 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:46:04,851 INFO L226 Difference]: Without dead ends: 321 [2018-07-23 13:46:04,852 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:46:04,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-07-23 13:46:04,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-07-23 13:46:04,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-07-23 13:46:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 321 transitions. [2018-07-23 13:46:04,855 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 321 transitions. Word has length 318 [2018-07-23 13:46:04,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:04,855 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 321 transitions. [2018-07-23 13:46:04,855 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:46:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 321 transitions. [2018-07-23 13:46:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-07-23 13:46:04,856 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:04,856 INFO L357 BasicCegarLoop]: trace histogram [159, 158, 1, 1, 1] [2018-07-23 13:46:04,856 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:04,856 INFO L82 PathProgramCache]: Analyzing trace with hash -882451181, now seen corresponding path program 158 times [2018-07-23 13:46:04,856 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,548 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:05,548 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:46:05,548 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,549 INFO L185 omatonBuilderFactory]: Interpolants [117249#(<= ULTIMATE.start_main_~i~4 158), 117248#(<= ULTIMATE.start_main_~i~4 156), 117251#(<= ULTIMATE.start_main_~i~4 162), 117250#(<= ULTIMATE.start_main_~i~4 160), 117253#(<= ULTIMATE.start_main_~i~4 166), 117252#(<= ULTIMATE.start_main_~i~4 164), 117255#(<= ULTIMATE.start_main_~i~4 170), 117254#(<= ULTIMATE.start_main_~i~4 168), 117257#(<= ULTIMATE.start_main_~i~4 174), 117256#(<= ULTIMATE.start_main_~i~4 172), 117259#(<= ULTIMATE.start_main_~i~4 178), 117258#(<= ULTIMATE.start_main_~i~4 176), 117261#(<= ULTIMATE.start_main_~i~4 182), 117260#(<= ULTIMATE.start_main_~i~4 180), 117263#(<= ULTIMATE.start_main_~i~4 186), 117262#(<= ULTIMATE.start_main_~i~4 184), 117265#(<= ULTIMATE.start_main_~i~4 190), 117264#(<= ULTIMATE.start_main_~i~4 188), 117267#(<= ULTIMATE.start_main_~i~4 194), 117266#(<= ULTIMATE.start_main_~i~4 192), 117269#(<= ULTIMATE.start_main_~i~4 198), 117268#(<= ULTIMATE.start_main_~i~4 196), 117271#(<= ULTIMATE.start_main_~i~4 202), 117270#(<= ULTIMATE.start_main_~i~4 200), 117273#(<= ULTIMATE.start_main_~i~4 206), 117272#(<= ULTIMATE.start_main_~i~4 204), 117275#(<= ULTIMATE.start_main_~i~4 210), 117274#(<= ULTIMATE.start_main_~i~4 208), 117277#(<= ULTIMATE.start_main_~i~4 214), 117276#(<= ULTIMATE.start_main_~i~4 212), 117279#(<= ULTIMATE.start_main_~i~4 218), 117278#(<= ULTIMATE.start_main_~i~4 216), 117281#(<= ULTIMATE.start_main_~i~4 222), 117280#(<= ULTIMATE.start_main_~i~4 220), 117283#(<= ULTIMATE.start_main_~i~4 226), 117282#(<= ULTIMATE.start_main_~i~4 224), 117285#(<= ULTIMATE.start_main_~i~4 230), 117284#(<= ULTIMATE.start_main_~i~4 228), 117287#(<= ULTIMATE.start_main_~i~4 234), 117286#(<= ULTIMATE.start_main_~i~4 232), 117289#(<= ULTIMATE.start_main_~i~4 238), 117288#(<= ULTIMATE.start_main_~i~4 236), 117291#(<= ULTIMATE.start_main_~i~4 242), 117290#(<= ULTIMATE.start_main_~i~4 240), 117293#(<= ULTIMATE.start_main_~i~4 246), 117292#(<= ULTIMATE.start_main_~i~4 244), 117295#(<= ULTIMATE.start_main_~i~4 250), 117294#(<= ULTIMATE.start_main_~i~4 248), 117297#(<= ULTIMATE.start_main_~i~4 254), 117296#(<= ULTIMATE.start_main_~i~4 252), 117299#(<= ULTIMATE.start_main_~i~4 258), 117298#(<= ULTIMATE.start_main_~i~4 256), 117301#(<= ULTIMATE.start_main_~i~4 262), 117300#(<= ULTIMATE.start_main_~i~4 260), 117303#(<= ULTIMATE.start_main_~i~4 266), 117302#(<= ULTIMATE.start_main_~i~4 264), 117305#(<= ULTIMATE.start_main_~i~4 270), 117304#(<= ULTIMATE.start_main_~i~4 268), 117307#(<= ULTIMATE.start_main_~i~4 274), 117306#(<= ULTIMATE.start_main_~i~4 272), 117309#(<= ULTIMATE.start_main_~i~4 278), 117308#(<= ULTIMATE.start_main_~i~4 276), 117311#(<= ULTIMATE.start_main_~i~4 282), 117310#(<= ULTIMATE.start_main_~i~4 280), 117313#(<= ULTIMATE.start_main_~i~4 286), 117312#(<= ULTIMATE.start_main_~i~4 284), 117315#(<= ULTIMATE.start_main_~i~4 290), 117314#(<= ULTIMATE.start_main_~i~4 288), 117317#(<= ULTIMATE.start_main_~i~4 294), 117316#(<= ULTIMATE.start_main_~i~4 292), 117319#(<= ULTIMATE.start_main_~i~4 298), 117318#(<= ULTIMATE.start_main_~i~4 296), 117321#(<= ULTIMATE.start_main_~i~4 302), 117320#(<= ULTIMATE.start_main_~i~4 300), 117323#(<= ULTIMATE.start_main_~i~4 306), 117322#(<= ULTIMATE.start_main_~i~4 304), 117325#(<= ULTIMATE.start_main_~i~4 310), 117324#(<= ULTIMATE.start_main_~i~4 308), 117327#(<= ULTIMATE.start_main_~i~4 314), 117326#(<= ULTIMATE.start_main_~i~4 312), 117328#(<= ULTIMATE.start_main_~i~4 316), 117169#false, 117168#true, 117171#(<= ULTIMATE.start_main_~i~4 2), 117170#(<= ULTIMATE.start_main_~i~4 0), 117173#(<= ULTIMATE.start_main_~i~4 6), 117172#(<= ULTIMATE.start_main_~i~4 4), 117175#(<= ULTIMATE.start_main_~i~4 10), 117174#(<= ULTIMATE.start_main_~i~4 8), 117177#(<= ULTIMATE.start_main_~i~4 14), 117176#(<= ULTIMATE.start_main_~i~4 12), 117179#(<= ULTIMATE.start_main_~i~4 18), 117178#(<= ULTIMATE.start_main_~i~4 16), 117181#(<= ULTIMATE.start_main_~i~4 22), 117180#(<= ULTIMATE.start_main_~i~4 20), 117183#(<= ULTIMATE.start_main_~i~4 26), 117182#(<= ULTIMATE.start_main_~i~4 24), 117185#(<= ULTIMATE.start_main_~i~4 30), 117184#(<= ULTIMATE.start_main_~i~4 28), 117187#(<= ULTIMATE.start_main_~i~4 34), 117186#(<= ULTIMATE.start_main_~i~4 32), 117189#(<= ULTIMATE.start_main_~i~4 38), 117188#(<= ULTIMATE.start_main_~i~4 36), 117191#(<= ULTIMATE.start_main_~i~4 42), 117190#(<= ULTIMATE.start_main_~i~4 40), 117193#(<= ULTIMATE.start_main_~i~4 46), 117192#(<= ULTIMATE.start_main_~i~4 44), 117195#(<= ULTIMATE.start_main_~i~4 50), 117194#(<= ULTIMATE.start_main_~i~4 48), 117197#(<= ULTIMATE.start_main_~i~4 54), 117196#(<= ULTIMATE.start_main_~i~4 52), 117199#(<= ULTIMATE.start_main_~i~4 58), 117198#(<= ULTIMATE.start_main_~i~4 56), 117201#(<= ULTIMATE.start_main_~i~4 62), 117200#(<= ULTIMATE.start_main_~i~4 60), 117203#(<= ULTIMATE.start_main_~i~4 66), 117202#(<= ULTIMATE.start_main_~i~4 64), 117205#(<= ULTIMATE.start_main_~i~4 70), 117204#(<= ULTIMATE.start_main_~i~4 68), 117207#(<= ULTIMATE.start_main_~i~4 74), 117206#(<= ULTIMATE.start_main_~i~4 72), 117209#(<= ULTIMATE.start_main_~i~4 78), 117208#(<= ULTIMATE.start_main_~i~4 76), 117211#(<= ULTIMATE.start_main_~i~4 82), 117210#(<= ULTIMATE.start_main_~i~4 80), 117213#(<= ULTIMATE.start_main_~i~4 86), 117212#(<= ULTIMATE.start_main_~i~4 84), 117215#(<= ULTIMATE.start_main_~i~4 90), 117214#(<= ULTIMATE.start_main_~i~4 88), 117217#(<= ULTIMATE.start_main_~i~4 94), 117216#(<= ULTIMATE.start_main_~i~4 92), 117219#(<= ULTIMATE.start_main_~i~4 98), 117218#(<= ULTIMATE.start_main_~i~4 96), 117221#(<= ULTIMATE.start_main_~i~4 102), 117220#(<= ULTIMATE.start_main_~i~4 100), 117223#(<= ULTIMATE.start_main_~i~4 106), 117222#(<= ULTIMATE.start_main_~i~4 104), 117225#(<= ULTIMATE.start_main_~i~4 110), 117224#(<= ULTIMATE.start_main_~i~4 108), 117227#(<= ULTIMATE.start_main_~i~4 114), 117226#(<= ULTIMATE.start_main_~i~4 112), 117229#(<= ULTIMATE.start_main_~i~4 118), 117228#(<= ULTIMATE.start_main_~i~4 116), 117231#(<= ULTIMATE.start_main_~i~4 122), 117230#(<= ULTIMATE.start_main_~i~4 120), 117233#(<= ULTIMATE.start_main_~i~4 126), 117232#(<= ULTIMATE.start_main_~i~4 124), 117235#(<= ULTIMATE.start_main_~i~4 130), 117234#(<= ULTIMATE.start_main_~i~4 128), 117237#(<= ULTIMATE.start_main_~i~4 134), 117236#(<= ULTIMATE.start_main_~i~4 132), 117239#(<= ULTIMATE.start_main_~i~4 138), 117238#(<= ULTIMATE.start_main_~i~4 136), 117241#(<= ULTIMATE.start_main_~i~4 142), 117240#(<= ULTIMATE.start_main_~i~4 140), 117243#(<= ULTIMATE.start_main_~i~4 146), 117242#(<= ULTIMATE.start_main_~i~4 144), 117245#(<= ULTIMATE.start_main_~i~4 150), 117244#(<= ULTIMATE.start_main_~i~4 148), 117247#(<= ULTIMATE.start_main_~i~4 154), 117246#(<= ULTIMATE.start_main_~i~4 152)] [2018-07-23 13:46:05,550 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,550 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:46:05,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:46:05,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:46:05,551 INFO L87 Difference]: Start difference. First operand 321 states and 321 transitions. Second operand 161 states. [2018-07-23 13:46:05,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:05,798 INFO L93 Difference]: Finished difference Result 325 states and 325 transitions. [2018-07-23 13:46:05,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:46:05,798 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 320 [2018-07-23 13:46:05,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:05,799 INFO L225 Difference]: With dead ends: 325 [2018-07-23 13:46:05,799 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 13:46:05,799 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:46:05,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 13:46:05,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-07-23 13:46:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-07-23 13:46:05,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 323 transitions. [2018-07-23 13:46:05,803 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 323 transitions. Word has length 320 [2018-07-23 13:46:05,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:05,803 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 323 transitions. [2018-07-23 13:46:05,803 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:46:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 323 transitions. [2018-07-23 13:46:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-07-23 13:46:05,804 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:05,804 INFO L357 BasicCegarLoop]: trace histogram [160, 159, 1, 1, 1] [2018-07-23 13:46:05,804 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:05,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1926975539, now seen corresponding path program 159 times [2018-07-23 13:46:05,804 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,441 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:06,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:46:06,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,442 INFO L185 omatonBuilderFactory]: Interpolants [118785#(<= ULTIMATE.start_main_~i~4 316), 118784#(<= ULTIMATE.start_main_~i~4 314), 118786#(<= ULTIMATE.start_main_~i~4 318), 118625#true, 118627#(<= ULTIMATE.start_main_~i~4 0), 118626#false, 118629#(<= ULTIMATE.start_main_~i~4 4), 118628#(<= ULTIMATE.start_main_~i~4 2), 118631#(<= ULTIMATE.start_main_~i~4 8), 118630#(<= ULTIMATE.start_main_~i~4 6), 118633#(<= ULTIMATE.start_main_~i~4 12), 118632#(<= ULTIMATE.start_main_~i~4 10), 118635#(<= ULTIMATE.start_main_~i~4 16), 118634#(<= ULTIMATE.start_main_~i~4 14), 118637#(<= ULTIMATE.start_main_~i~4 20), 118636#(<= ULTIMATE.start_main_~i~4 18), 118639#(<= ULTIMATE.start_main_~i~4 24), 118638#(<= ULTIMATE.start_main_~i~4 22), 118641#(<= ULTIMATE.start_main_~i~4 28), 118640#(<= ULTIMATE.start_main_~i~4 26), 118643#(<= ULTIMATE.start_main_~i~4 32), 118642#(<= ULTIMATE.start_main_~i~4 30), 118645#(<= ULTIMATE.start_main_~i~4 36), 118644#(<= ULTIMATE.start_main_~i~4 34), 118647#(<= ULTIMATE.start_main_~i~4 40), 118646#(<= ULTIMATE.start_main_~i~4 38), 118649#(<= ULTIMATE.start_main_~i~4 44), 118648#(<= ULTIMATE.start_main_~i~4 42), 118651#(<= ULTIMATE.start_main_~i~4 48), 118650#(<= ULTIMATE.start_main_~i~4 46), 118653#(<= ULTIMATE.start_main_~i~4 52), 118652#(<= ULTIMATE.start_main_~i~4 50), 118655#(<= ULTIMATE.start_main_~i~4 56), 118654#(<= ULTIMATE.start_main_~i~4 54), 118657#(<= ULTIMATE.start_main_~i~4 60), 118656#(<= ULTIMATE.start_main_~i~4 58), 118659#(<= ULTIMATE.start_main_~i~4 64), 118658#(<= ULTIMATE.start_main_~i~4 62), 118661#(<= ULTIMATE.start_main_~i~4 68), 118660#(<= ULTIMATE.start_main_~i~4 66), 118663#(<= ULTIMATE.start_main_~i~4 72), 118662#(<= ULTIMATE.start_main_~i~4 70), 118665#(<= ULTIMATE.start_main_~i~4 76), 118664#(<= ULTIMATE.start_main_~i~4 74), 118667#(<= ULTIMATE.start_main_~i~4 80), 118666#(<= ULTIMATE.start_main_~i~4 78), 118669#(<= ULTIMATE.start_main_~i~4 84), 118668#(<= ULTIMATE.start_main_~i~4 82), 118671#(<= ULTIMATE.start_main_~i~4 88), 118670#(<= ULTIMATE.start_main_~i~4 86), 118673#(<= ULTIMATE.start_main_~i~4 92), 118672#(<= ULTIMATE.start_main_~i~4 90), 118675#(<= ULTIMATE.start_main_~i~4 96), 118674#(<= ULTIMATE.start_main_~i~4 94), 118677#(<= ULTIMATE.start_main_~i~4 100), 118676#(<= ULTIMATE.start_main_~i~4 98), 118679#(<= ULTIMATE.start_main_~i~4 104), 118678#(<= ULTIMATE.start_main_~i~4 102), 118681#(<= ULTIMATE.start_main_~i~4 108), 118680#(<= ULTIMATE.start_main_~i~4 106), 118683#(<= ULTIMATE.start_main_~i~4 112), 118682#(<= ULTIMATE.start_main_~i~4 110), 118685#(<= ULTIMATE.start_main_~i~4 116), 118684#(<= ULTIMATE.start_main_~i~4 114), 118687#(<= ULTIMATE.start_main_~i~4 120), 118686#(<= ULTIMATE.start_main_~i~4 118), 118689#(<= ULTIMATE.start_main_~i~4 124), 118688#(<= ULTIMATE.start_main_~i~4 122), 118691#(<= ULTIMATE.start_main_~i~4 128), 118690#(<= ULTIMATE.start_main_~i~4 126), 118693#(<= ULTIMATE.start_main_~i~4 132), 118692#(<= ULTIMATE.start_main_~i~4 130), 118695#(<= ULTIMATE.start_main_~i~4 136), 118694#(<= ULTIMATE.start_main_~i~4 134), 118697#(<= ULTIMATE.start_main_~i~4 140), 118696#(<= ULTIMATE.start_main_~i~4 138), 118699#(<= ULTIMATE.start_main_~i~4 144), 118698#(<= ULTIMATE.start_main_~i~4 142), 118701#(<= ULTIMATE.start_main_~i~4 148), 118700#(<= ULTIMATE.start_main_~i~4 146), 118703#(<= ULTIMATE.start_main_~i~4 152), 118702#(<= ULTIMATE.start_main_~i~4 150), 118705#(<= ULTIMATE.start_main_~i~4 156), 118704#(<= ULTIMATE.start_main_~i~4 154), 118707#(<= ULTIMATE.start_main_~i~4 160), 118706#(<= ULTIMATE.start_main_~i~4 158), 118709#(<= ULTIMATE.start_main_~i~4 164), 118708#(<= ULTIMATE.start_main_~i~4 162), 118711#(<= ULTIMATE.start_main_~i~4 168), 118710#(<= ULTIMATE.start_main_~i~4 166), 118713#(<= ULTIMATE.start_main_~i~4 172), 118712#(<= ULTIMATE.start_main_~i~4 170), 118715#(<= ULTIMATE.start_main_~i~4 176), 118714#(<= ULTIMATE.start_main_~i~4 174), 118717#(<= ULTIMATE.start_main_~i~4 180), 118716#(<= ULTIMATE.start_main_~i~4 178), 118719#(<= ULTIMATE.start_main_~i~4 184), 118718#(<= ULTIMATE.start_main_~i~4 182), 118721#(<= ULTIMATE.start_main_~i~4 188), 118720#(<= ULTIMATE.start_main_~i~4 186), 118723#(<= ULTIMATE.start_main_~i~4 192), 118722#(<= ULTIMATE.start_main_~i~4 190), 118725#(<= ULTIMATE.start_main_~i~4 196), 118724#(<= ULTIMATE.start_main_~i~4 194), 118727#(<= ULTIMATE.start_main_~i~4 200), 118726#(<= ULTIMATE.start_main_~i~4 198), 118729#(<= ULTIMATE.start_main_~i~4 204), 118728#(<= ULTIMATE.start_main_~i~4 202), 118731#(<= ULTIMATE.start_main_~i~4 208), 118730#(<= ULTIMATE.start_main_~i~4 206), 118733#(<= ULTIMATE.start_main_~i~4 212), 118732#(<= ULTIMATE.start_main_~i~4 210), 118735#(<= ULTIMATE.start_main_~i~4 216), 118734#(<= ULTIMATE.start_main_~i~4 214), 118737#(<= ULTIMATE.start_main_~i~4 220), 118736#(<= ULTIMATE.start_main_~i~4 218), 118739#(<= ULTIMATE.start_main_~i~4 224), 118738#(<= ULTIMATE.start_main_~i~4 222), 118741#(<= ULTIMATE.start_main_~i~4 228), 118740#(<= ULTIMATE.start_main_~i~4 226), 118743#(<= ULTIMATE.start_main_~i~4 232), 118742#(<= ULTIMATE.start_main_~i~4 230), 118745#(<= ULTIMATE.start_main_~i~4 236), 118744#(<= ULTIMATE.start_main_~i~4 234), 118747#(<= ULTIMATE.start_main_~i~4 240), 118746#(<= ULTIMATE.start_main_~i~4 238), 118749#(<= ULTIMATE.start_main_~i~4 244), 118748#(<= ULTIMATE.start_main_~i~4 242), 118751#(<= ULTIMATE.start_main_~i~4 248), 118750#(<= ULTIMATE.start_main_~i~4 246), 118753#(<= ULTIMATE.start_main_~i~4 252), 118752#(<= ULTIMATE.start_main_~i~4 250), 118755#(<= ULTIMATE.start_main_~i~4 256), 118754#(<= ULTIMATE.start_main_~i~4 254), 118757#(<= ULTIMATE.start_main_~i~4 260), 118756#(<= ULTIMATE.start_main_~i~4 258), 118759#(<= ULTIMATE.start_main_~i~4 264), 118758#(<= ULTIMATE.start_main_~i~4 262), 118761#(<= ULTIMATE.start_main_~i~4 268), 118760#(<= ULTIMATE.start_main_~i~4 266), 118763#(<= ULTIMATE.start_main_~i~4 272), 118762#(<= ULTIMATE.start_main_~i~4 270), 118765#(<= ULTIMATE.start_main_~i~4 276), 118764#(<= ULTIMATE.start_main_~i~4 274), 118767#(<= ULTIMATE.start_main_~i~4 280), 118766#(<= ULTIMATE.start_main_~i~4 278), 118769#(<= ULTIMATE.start_main_~i~4 284), 118768#(<= ULTIMATE.start_main_~i~4 282), 118771#(<= ULTIMATE.start_main_~i~4 288), 118770#(<= ULTIMATE.start_main_~i~4 286), 118773#(<= ULTIMATE.start_main_~i~4 292), 118772#(<= ULTIMATE.start_main_~i~4 290), 118775#(<= ULTIMATE.start_main_~i~4 296), 118774#(<= ULTIMATE.start_main_~i~4 294), 118777#(<= ULTIMATE.start_main_~i~4 300), 118776#(<= ULTIMATE.start_main_~i~4 298), 118779#(<= ULTIMATE.start_main_~i~4 304), 118778#(<= ULTIMATE.start_main_~i~4 302), 118781#(<= ULTIMATE.start_main_~i~4 308), 118780#(<= ULTIMATE.start_main_~i~4 306), 118783#(<= ULTIMATE.start_main_~i~4 312), 118782#(<= ULTIMATE.start_main_~i~4 310)] [2018-07-23 13:46:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:46:06,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:46:06,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:46:06,446 INFO L87 Difference]: Start difference. First operand 323 states and 323 transitions. Second operand 162 states. [2018-07-23 13:46:07,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:07,166 INFO L93 Difference]: Finished difference Result 327 states and 327 transitions. [2018-07-23 13:46:07,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:46:07,166 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 322 [2018-07-23 13:46:07,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:07,166 INFO L225 Difference]: With dead ends: 327 [2018-07-23 13:46:07,166 INFO L226 Difference]: Without dead ends: 325 [2018-07-23 13:46:07,168 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:46:07,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-07-23 13:46:07,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2018-07-23 13:46:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 13:46:07,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 325 transitions. [2018-07-23 13:46:07,172 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 325 transitions. Word has length 322 [2018-07-23 13:46:07,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:07,172 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 325 transitions. [2018-07-23 13:46:07,173 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:46:07,173 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 325 transitions. [2018-07-23 13:46:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 13:46:07,174 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:07,174 INFO L357 BasicCegarLoop]: trace histogram [161, 160, 1, 1, 1] [2018-07-23 13:46:07,174 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:07,174 INFO L82 PathProgramCache]: Analyzing trace with hash -692536313, now seen corresponding path program 160 times [2018-07-23 13:46:07,174 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,831 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:07,831 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:46:07,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,832 INFO L185 omatonBuilderFactory]: Interpolants [120091#true, 120093#(<= ULTIMATE.start_main_~i~4 0), 120092#false, 120095#(<= ULTIMATE.start_main_~i~4 4), 120094#(<= ULTIMATE.start_main_~i~4 2), 120097#(<= ULTIMATE.start_main_~i~4 8), 120096#(<= ULTIMATE.start_main_~i~4 6), 120099#(<= ULTIMATE.start_main_~i~4 12), 120098#(<= ULTIMATE.start_main_~i~4 10), 120101#(<= ULTIMATE.start_main_~i~4 16), 120100#(<= ULTIMATE.start_main_~i~4 14), 120103#(<= ULTIMATE.start_main_~i~4 20), 120102#(<= ULTIMATE.start_main_~i~4 18), 120105#(<= ULTIMATE.start_main_~i~4 24), 120104#(<= ULTIMATE.start_main_~i~4 22), 120107#(<= ULTIMATE.start_main_~i~4 28), 120106#(<= ULTIMATE.start_main_~i~4 26), 120109#(<= ULTIMATE.start_main_~i~4 32), 120108#(<= ULTIMATE.start_main_~i~4 30), 120111#(<= ULTIMATE.start_main_~i~4 36), 120110#(<= ULTIMATE.start_main_~i~4 34), 120113#(<= ULTIMATE.start_main_~i~4 40), 120112#(<= ULTIMATE.start_main_~i~4 38), 120115#(<= ULTIMATE.start_main_~i~4 44), 120114#(<= ULTIMATE.start_main_~i~4 42), 120117#(<= ULTIMATE.start_main_~i~4 48), 120116#(<= ULTIMATE.start_main_~i~4 46), 120119#(<= ULTIMATE.start_main_~i~4 52), 120118#(<= ULTIMATE.start_main_~i~4 50), 120121#(<= ULTIMATE.start_main_~i~4 56), 120120#(<= ULTIMATE.start_main_~i~4 54), 120123#(<= ULTIMATE.start_main_~i~4 60), 120122#(<= ULTIMATE.start_main_~i~4 58), 120125#(<= ULTIMATE.start_main_~i~4 64), 120124#(<= ULTIMATE.start_main_~i~4 62), 120127#(<= ULTIMATE.start_main_~i~4 68), 120126#(<= ULTIMATE.start_main_~i~4 66), 120129#(<= ULTIMATE.start_main_~i~4 72), 120128#(<= ULTIMATE.start_main_~i~4 70), 120131#(<= ULTIMATE.start_main_~i~4 76), 120130#(<= ULTIMATE.start_main_~i~4 74), 120133#(<= ULTIMATE.start_main_~i~4 80), 120132#(<= ULTIMATE.start_main_~i~4 78), 120135#(<= ULTIMATE.start_main_~i~4 84), 120134#(<= ULTIMATE.start_main_~i~4 82), 120137#(<= ULTIMATE.start_main_~i~4 88), 120136#(<= ULTIMATE.start_main_~i~4 86), 120139#(<= ULTIMATE.start_main_~i~4 92), 120138#(<= ULTIMATE.start_main_~i~4 90), 120141#(<= ULTIMATE.start_main_~i~4 96), 120140#(<= ULTIMATE.start_main_~i~4 94), 120143#(<= ULTIMATE.start_main_~i~4 100), 120142#(<= ULTIMATE.start_main_~i~4 98), 120145#(<= ULTIMATE.start_main_~i~4 104), 120144#(<= ULTIMATE.start_main_~i~4 102), 120147#(<= ULTIMATE.start_main_~i~4 108), 120146#(<= ULTIMATE.start_main_~i~4 106), 120149#(<= ULTIMATE.start_main_~i~4 112), 120148#(<= ULTIMATE.start_main_~i~4 110), 120151#(<= ULTIMATE.start_main_~i~4 116), 120150#(<= ULTIMATE.start_main_~i~4 114), 120153#(<= ULTIMATE.start_main_~i~4 120), 120152#(<= ULTIMATE.start_main_~i~4 118), 120155#(<= ULTIMATE.start_main_~i~4 124), 120154#(<= ULTIMATE.start_main_~i~4 122), 120157#(<= ULTIMATE.start_main_~i~4 128), 120156#(<= ULTIMATE.start_main_~i~4 126), 120159#(<= ULTIMATE.start_main_~i~4 132), 120158#(<= ULTIMATE.start_main_~i~4 130), 120161#(<= ULTIMATE.start_main_~i~4 136), 120160#(<= ULTIMATE.start_main_~i~4 134), 120163#(<= ULTIMATE.start_main_~i~4 140), 120162#(<= ULTIMATE.start_main_~i~4 138), 120165#(<= ULTIMATE.start_main_~i~4 144), 120164#(<= ULTIMATE.start_main_~i~4 142), 120167#(<= ULTIMATE.start_main_~i~4 148), 120166#(<= ULTIMATE.start_main_~i~4 146), 120169#(<= ULTIMATE.start_main_~i~4 152), 120168#(<= ULTIMATE.start_main_~i~4 150), 120171#(<= ULTIMATE.start_main_~i~4 156), 120170#(<= ULTIMATE.start_main_~i~4 154), 120173#(<= ULTIMATE.start_main_~i~4 160), 120172#(<= ULTIMATE.start_main_~i~4 158), 120175#(<= ULTIMATE.start_main_~i~4 164), 120174#(<= ULTIMATE.start_main_~i~4 162), 120177#(<= ULTIMATE.start_main_~i~4 168), 120176#(<= ULTIMATE.start_main_~i~4 166), 120179#(<= ULTIMATE.start_main_~i~4 172), 120178#(<= ULTIMATE.start_main_~i~4 170), 120181#(<= ULTIMATE.start_main_~i~4 176), 120180#(<= ULTIMATE.start_main_~i~4 174), 120183#(<= ULTIMATE.start_main_~i~4 180), 120182#(<= ULTIMATE.start_main_~i~4 178), 120185#(<= ULTIMATE.start_main_~i~4 184), 120184#(<= ULTIMATE.start_main_~i~4 182), 120187#(<= ULTIMATE.start_main_~i~4 188), 120186#(<= ULTIMATE.start_main_~i~4 186), 120189#(<= ULTIMATE.start_main_~i~4 192), 120188#(<= ULTIMATE.start_main_~i~4 190), 120191#(<= ULTIMATE.start_main_~i~4 196), 120190#(<= ULTIMATE.start_main_~i~4 194), 120193#(<= ULTIMATE.start_main_~i~4 200), 120192#(<= ULTIMATE.start_main_~i~4 198), 120195#(<= ULTIMATE.start_main_~i~4 204), 120194#(<= ULTIMATE.start_main_~i~4 202), 120197#(<= ULTIMATE.start_main_~i~4 208), 120196#(<= ULTIMATE.start_main_~i~4 206), 120199#(<= ULTIMATE.start_main_~i~4 212), 120198#(<= ULTIMATE.start_main_~i~4 210), 120201#(<= ULTIMATE.start_main_~i~4 216), 120200#(<= ULTIMATE.start_main_~i~4 214), 120203#(<= ULTIMATE.start_main_~i~4 220), 120202#(<= ULTIMATE.start_main_~i~4 218), 120205#(<= ULTIMATE.start_main_~i~4 224), 120204#(<= ULTIMATE.start_main_~i~4 222), 120207#(<= ULTIMATE.start_main_~i~4 228), 120206#(<= ULTIMATE.start_main_~i~4 226), 120209#(<= ULTIMATE.start_main_~i~4 232), 120208#(<= ULTIMATE.start_main_~i~4 230), 120211#(<= ULTIMATE.start_main_~i~4 236), 120210#(<= ULTIMATE.start_main_~i~4 234), 120213#(<= ULTIMATE.start_main_~i~4 240), 120212#(<= ULTIMATE.start_main_~i~4 238), 120215#(<= ULTIMATE.start_main_~i~4 244), 120214#(<= ULTIMATE.start_main_~i~4 242), 120217#(<= ULTIMATE.start_main_~i~4 248), 120216#(<= ULTIMATE.start_main_~i~4 246), 120219#(<= ULTIMATE.start_main_~i~4 252), 120218#(<= ULTIMATE.start_main_~i~4 250), 120221#(<= ULTIMATE.start_main_~i~4 256), 120220#(<= ULTIMATE.start_main_~i~4 254), 120223#(<= ULTIMATE.start_main_~i~4 260), 120222#(<= ULTIMATE.start_main_~i~4 258), 120225#(<= ULTIMATE.start_main_~i~4 264), 120224#(<= ULTIMATE.start_main_~i~4 262), 120227#(<= ULTIMATE.start_main_~i~4 268), 120226#(<= ULTIMATE.start_main_~i~4 266), 120229#(<= ULTIMATE.start_main_~i~4 272), 120228#(<= ULTIMATE.start_main_~i~4 270), 120231#(<= ULTIMATE.start_main_~i~4 276), 120230#(<= ULTIMATE.start_main_~i~4 274), 120233#(<= ULTIMATE.start_main_~i~4 280), 120232#(<= ULTIMATE.start_main_~i~4 278), 120235#(<= ULTIMATE.start_main_~i~4 284), 120234#(<= ULTIMATE.start_main_~i~4 282), 120237#(<= ULTIMATE.start_main_~i~4 288), 120236#(<= ULTIMATE.start_main_~i~4 286), 120239#(<= ULTIMATE.start_main_~i~4 292), 120238#(<= ULTIMATE.start_main_~i~4 290), 120241#(<= ULTIMATE.start_main_~i~4 296), 120240#(<= ULTIMATE.start_main_~i~4 294), 120243#(<= ULTIMATE.start_main_~i~4 300), 120242#(<= ULTIMATE.start_main_~i~4 298), 120245#(<= ULTIMATE.start_main_~i~4 304), 120244#(<= ULTIMATE.start_main_~i~4 302), 120247#(<= ULTIMATE.start_main_~i~4 308), 120246#(<= ULTIMATE.start_main_~i~4 306), 120249#(<= ULTIMATE.start_main_~i~4 312), 120248#(<= ULTIMATE.start_main_~i~4 310), 120251#(<= ULTIMATE.start_main_~i~4 316), 120250#(<= ULTIMATE.start_main_~i~4 314), 120253#(<= ULTIMATE.start_main_~i~4 320), 120252#(<= ULTIMATE.start_main_~i~4 318)] [2018-07-23 13:46:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,833 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:46:07,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:46:07,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:46:07,836 INFO L87 Difference]: Start difference. First operand 325 states and 325 transitions. Second operand 163 states. [2018-07-23 13:46:08,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:08,709 INFO L93 Difference]: Finished difference Result 329 states and 329 transitions. [2018-07-23 13:46:08,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:46:08,709 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 324 [2018-07-23 13:46:08,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:08,710 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:46:08,710 INFO L226 Difference]: Without dead ends: 327 [2018-07-23 13:46:08,711 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:46:08,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-07-23 13:46:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-07-23 13:46:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-07-23 13:46:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 327 transitions. [2018-07-23 13:46:08,714 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 327 transitions. Word has length 324 [2018-07-23 13:46:08,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:08,715 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 327 transitions. [2018-07-23 13:46:08,715 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:46:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 327 transitions. [2018-07-23 13:46:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-07-23 13:46:08,716 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:08,716 INFO L357 BasicCegarLoop]: trace histogram [162, 161, 1, 1, 1] [2018-07-23 13:46:08,716 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:08,716 INFO L82 PathProgramCache]: Analyzing trace with hash 192586177, now seen corresponding path program 161 times [2018-07-23 13:46:08,716 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,411 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:09,411 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:46:09,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,411 INFO L185 omatonBuilderFactory]: Interpolants [121601#(<= ULTIMATE.start_main_~i~4 66), 121600#(<= ULTIMATE.start_main_~i~4 64), 121603#(<= ULTIMATE.start_main_~i~4 70), 121602#(<= ULTIMATE.start_main_~i~4 68), 121605#(<= ULTIMATE.start_main_~i~4 74), 121604#(<= ULTIMATE.start_main_~i~4 72), 121607#(<= ULTIMATE.start_main_~i~4 78), 121606#(<= ULTIMATE.start_main_~i~4 76), 121609#(<= ULTIMATE.start_main_~i~4 82), 121608#(<= ULTIMATE.start_main_~i~4 80), 121611#(<= ULTIMATE.start_main_~i~4 86), 121610#(<= ULTIMATE.start_main_~i~4 84), 121613#(<= ULTIMATE.start_main_~i~4 90), 121612#(<= ULTIMATE.start_main_~i~4 88), 121615#(<= ULTIMATE.start_main_~i~4 94), 121614#(<= ULTIMATE.start_main_~i~4 92), 121617#(<= ULTIMATE.start_main_~i~4 98), 121616#(<= ULTIMATE.start_main_~i~4 96), 121619#(<= ULTIMATE.start_main_~i~4 102), 121618#(<= ULTIMATE.start_main_~i~4 100), 121621#(<= ULTIMATE.start_main_~i~4 106), 121620#(<= ULTIMATE.start_main_~i~4 104), 121623#(<= ULTIMATE.start_main_~i~4 110), 121622#(<= ULTIMATE.start_main_~i~4 108), 121625#(<= ULTIMATE.start_main_~i~4 114), 121624#(<= ULTIMATE.start_main_~i~4 112), 121627#(<= ULTIMATE.start_main_~i~4 118), 121626#(<= ULTIMATE.start_main_~i~4 116), 121629#(<= ULTIMATE.start_main_~i~4 122), 121628#(<= ULTIMATE.start_main_~i~4 120), 121631#(<= ULTIMATE.start_main_~i~4 126), 121630#(<= ULTIMATE.start_main_~i~4 124), 121633#(<= ULTIMATE.start_main_~i~4 130), 121632#(<= ULTIMATE.start_main_~i~4 128), 121635#(<= ULTIMATE.start_main_~i~4 134), 121634#(<= ULTIMATE.start_main_~i~4 132), 121637#(<= ULTIMATE.start_main_~i~4 138), 121636#(<= ULTIMATE.start_main_~i~4 136), 121639#(<= ULTIMATE.start_main_~i~4 142), 121638#(<= ULTIMATE.start_main_~i~4 140), 121641#(<= ULTIMATE.start_main_~i~4 146), 121640#(<= ULTIMATE.start_main_~i~4 144), 121643#(<= ULTIMATE.start_main_~i~4 150), 121642#(<= ULTIMATE.start_main_~i~4 148), 121645#(<= ULTIMATE.start_main_~i~4 154), 121644#(<= ULTIMATE.start_main_~i~4 152), 121647#(<= ULTIMATE.start_main_~i~4 158), 121646#(<= ULTIMATE.start_main_~i~4 156), 121649#(<= ULTIMATE.start_main_~i~4 162), 121648#(<= ULTIMATE.start_main_~i~4 160), 121651#(<= ULTIMATE.start_main_~i~4 166), 121650#(<= ULTIMATE.start_main_~i~4 164), 121653#(<= ULTIMATE.start_main_~i~4 170), 121652#(<= ULTIMATE.start_main_~i~4 168), 121655#(<= ULTIMATE.start_main_~i~4 174), 121654#(<= ULTIMATE.start_main_~i~4 172), 121657#(<= ULTIMATE.start_main_~i~4 178), 121656#(<= ULTIMATE.start_main_~i~4 176), 121659#(<= ULTIMATE.start_main_~i~4 182), 121658#(<= ULTIMATE.start_main_~i~4 180), 121661#(<= ULTIMATE.start_main_~i~4 186), 121660#(<= ULTIMATE.start_main_~i~4 184), 121663#(<= ULTIMATE.start_main_~i~4 190), 121662#(<= ULTIMATE.start_main_~i~4 188), 121665#(<= ULTIMATE.start_main_~i~4 194), 121664#(<= ULTIMATE.start_main_~i~4 192), 121667#(<= ULTIMATE.start_main_~i~4 198), 121666#(<= ULTIMATE.start_main_~i~4 196), 121669#(<= ULTIMATE.start_main_~i~4 202), 121668#(<= ULTIMATE.start_main_~i~4 200), 121671#(<= ULTIMATE.start_main_~i~4 206), 121670#(<= ULTIMATE.start_main_~i~4 204), 121673#(<= ULTIMATE.start_main_~i~4 210), 121672#(<= ULTIMATE.start_main_~i~4 208), 121675#(<= ULTIMATE.start_main_~i~4 214), 121674#(<= ULTIMATE.start_main_~i~4 212), 121677#(<= ULTIMATE.start_main_~i~4 218), 121676#(<= ULTIMATE.start_main_~i~4 216), 121679#(<= ULTIMATE.start_main_~i~4 222), 121678#(<= ULTIMATE.start_main_~i~4 220), 121681#(<= ULTIMATE.start_main_~i~4 226), 121680#(<= ULTIMATE.start_main_~i~4 224), 121683#(<= ULTIMATE.start_main_~i~4 230), 121682#(<= ULTIMATE.start_main_~i~4 228), 121685#(<= ULTIMATE.start_main_~i~4 234), 121684#(<= ULTIMATE.start_main_~i~4 232), 121687#(<= ULTIMATE.start_main_~i~4 238), 121686#(<= ULTIMATE.start_main_~i~4 236), 121689#(<= ULTIMATE.start_main_~i~4 242), 121688#(<= ULTIMATE.start_main_~i~4 240), 121691#(<= ULTIMATE.start_main_~i~4 246), 121690#(<= ULTIMATE.start_main_~i~4 244), 121693#(<= ULTIMATE.start_main_~i~4 250), 121692#(<= ULTIMATE.start_main_~i~4 248), 121695#(<= ULTIMATE.start_main_~i~4 254), 121694#(<= ULTIMATE.start_main_~i~4 252), 121697#(<= ULTIMATE.start_main_~i~4 258), 121696#(<= ULTIMATE.start_main_~i~4 256), 121699#(<= ULTIMATE.start_main_~i~4 262), 121698#(<= ULTIMATE.start_main_~i~4 260), 121701#(<= ULTIMATE.start_main_~i~4 266), 121700#(<= ULTIMATE.start_main_~i~4 264), 121703#(<= ULTIMATE.start_main_~i~4 270), 121702#(<= ULTIMATE.start_main_~i~4 268), 121705#(<= ULTIMATE.start_main_~i~4 274), 121704#(<= ULTIMATE.start_main_~i~4 272), 121707#(<= ULTIMATE.start_main_~i~4 278), 121706#(<= ULTIMATE.start_main_~i~4 276), 121709#(<= ULTIMATE.start_main_~i~4 282), 121708#(<= ULTIMATE.start_main_~i~4 280), 121711#(<= ULTIMATE.start_main_~i~4 286), 121710#(<= ULTIMATE.start_main_~i~4 284), 121713#(<= ULTIMATE.start_main_~i~4 290), 121712#(<= ULTIMATE.start_main_~i~4 288), 121715#(<= ULTIMATE.start_main_~i~4 294), 121714#(<= ULTIMATE.start_main_~i~4 292), 121717#(<= ULTIMATE.start_main_~i~4 298), 121716#(<= ULTIMATE.start_main_~i~4 296), 121719#(<= ULTIMATE.start_main_~i~4 302), 121718#(<= ULTIMATE.start_main_~i~4 300), 121721#(<= ULTIMATE.start_main_~i~4 306), 121720#(<= ULTIMATE.start_main_~i~4 304), 121723#(<= ULTIMATE.start_main_~i~4 310), 121722#(<= ULTIMATE.start_main_~i~4 308), 121725#(<= ULTIMATE.start_main_~i~4 314), 121724#(<= ULTIMATE.start_main_~i~4 312), 121727#(<= ULTIMATE.start_main_~i~4 318), 121726#(<= ULTIMATE.start_main_~i~4 316), 121729#(<= ULTIMATE.start_main_~i~4 322), 121728#(<= ULTIMATE.start_main_~i~4 320), 121567#false, 121566#true, 121569#(<= ULTIMATE.start_main_~i~4 2), 121568#(<= ULTIMATE.start_main_~i~4 0), 121571#(<= ULTIMATE.start_main_~i~4 6), 121570#(<= ULTIMATE.start_main_~i~4 4), 121573#(<= ULTIMATE.start_main_~i~4 10), 121572#(<= ULTIMATE.start_main_~i~4 8), 121575#(<= ULTIMATE.start_main_~i~4 14), 121574#(<= ULTIMATE.start_main_~i~4 12), 121577#(<= ULTIMATE.start_main_~i~4 18), 121576#(<= ULTIMATE.start_main_~i~4 16), 121579#(<= ULTIMATE.start_main_~i~4 22), 121578#(<= ULTIMATE.start_main_~i~4 20), 121581#(<= ULTIMATE.start_main_~i~4 26), 121580#(<= ULTIMATE.start_main_~i~4 24), 121583#(<= ULTIMATE.start_main_~i~4 30), 121582#(<= ULTIMATE.start_main_~i~4 28), 121585#(<= ULTIMATE.start_main_~i~4 34), 121584#(<= ULTIMATE.start_main_~i~4 32), 121587#(<= ULTIMATE.start_main_~i~4 38), 121586#(<= ULTIMATE.start_main_~i~4 36), 121589#(<= ULTIMATE.start_main_~i~4 42), 121588#(<= ULTIMATE.start_main_~i~4 40), 121591#(<= ULTIMATE.start_main_~i~4 46), 121590#(<= ULTIMATE.start_main_~i~4 44), 121593#(<= ULTIMATE.start_main_~i~4 50), 121592#(<= ULTIMATE.start_main_~i~4 48), 121595#(<= ULTIMATE.start_main_~i~4 54), 121594#(<= ULTIMATE.start_main_~i~4 52), 121597#(<= ULTIMATE.start_main_~i~4 58), 121596#(<= ULTIMATE.start_main_~i~4 56), 121599#(<= ULTIMATE.start_main_~i~4 62), 121598#(<= ULTIMATE.start_main_~i~4 60)] [2018-07-23 13:46:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,413 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:46:09,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:46:09,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:46:09,414 INFO L87 Difference]: Start difference. First operand 327 states and 327 transitions. Second operand 164 states. [2018-07-23 13:46:10,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:10,039 INFO L93 Difference]: Finished difference Result 331 states and 331 transitions. [2018-07-23 13:46:10,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:46:10,039 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 326 [2018-07-23 13:46:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:10,040 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:46:10,040 INFO L226 Difference]: Without dead ends: 329 [2018-07-23 13:46:10,041 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:46:10,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-07-23 13:46:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-07-23 13:46:10,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 13:46:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 329 transitions. [2018-07-23 13:46:10,044 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 329 transitions. Word has length 326 [2018-07-23 13:46:10,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:10,044 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 329 transitions. [2018-07-23 13:46:10,044 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:46:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 329 transitions. [2018-07-23 13:46:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-07-23 13:46:10,045 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:10,045 INFO L357 BasicCegarLoop]: trace histogram [163, 162, 1, 1, 1] [2018-07-23 13:46:10,045 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:10,045 INFO L82 PathProgramCache]: Analyzing trace with hash 391774459, now seen corresponding path program 162 times [2018-07-23 13:46:10,046 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,709 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:10,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:46:10,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,710 INFO L185 omatonBuilderFactory]: Interpolants [123137#(<= ULTIMATE.start_main_~i~4 170), 123136#(<= ULTIMATE.start_main_~i~4 168), 123139#(<= ULTIMATE.start_main_~i~4 174), 123138#(<= ULTIMATE.start_main_~i~4 172), 123141#(<= ULTIMATE.start_main_~i~4 178), 123140#(<= ULTIMATE.start_main_~i~4 176), 123143#(<= ULTIMATE.start_main_~i~4 182), 123142#(<= ULTIMATE.start_main_~i~4 180), 123145#(<= ULTIMATE.start_main_~i~4 186), 123144#(<= ULTIMATE.start_main_~i~4 184), 123147#(<= ULTIMATE.start_main_~i~4 190), 123146#(<= ULTIMATE.start_main_~i~4 188), 123149#(<= ULTIMATE.start_main_~i~4 194), 123148#(<= ULTIMATE.start_main_~i~4 192), 123151#(<= ULTIMATE.start_main_~i~4 198), 123150#(<= ULTIMATE.start_main_~i~4 196), 123153#(<= ULTIMATE.start_main_~i~4 202), 123152#(<= ULTIMATE.start_main_~i~4 200), 123155#(<= ULTIMATE.start_main_~i~4 206), 123154#(<= ULTIMATE.start_main_~i~4 204), 123157#(<= ULTIMATE.start_main_~i~4 210), 123156#(<= ULTIMATE.start_main_~i~4 208), 123159#(<= ULTIMATE.start_main_~i~4 214), 123158#(<= ULTIMATE.start_main_~i~4 212), 123161#(<= ULTIMATE.start_main_~i~4 218), 123160#(<= ULTIMATE.start_main_~i~4 216), 123163#(<= ULTIMATE.start_main_~i~4 222), 123162#(<= ULTIMATE.start_main_~i~4 220), 123165#(<= ULTIMATE.start_main_~i~4 226), 123164#(<= ULTIMATE.start_main_~i~4 224), 123167#(<= ULTIMATE.start_main_~i~4 230), 123166#(<= ULTIMATE.start_main_~i~4 228), 123169#(<= ULTIMATE.start_main_~i~4 234), 123168#(<= ULTIMATE.start_main_~i~4 232), 123171#(<= ULTIMATE.start_main_~i~4 238), 123170#(<= ULTIMATE.start_main_~i~4 236), 123173#(<= ULTIMATE.start_main_~i~4 242), 123172#(<= ULTIMATE.start_main_~i~4 240), 123175#(<= ULTIMATE.start_main_~i~4 246), 123174#(<= ULTIMATE.start_main_~i~4 244), 123177#(<= ULTIMATE.start_main_~i~4 250), 123176#(<= ULTIMATE.start_main_~i~4 248), 123179#(<= ULTIMATE.start_main_~i~4 254), 123178#(<= ULTIMATE.start_main_~i~4 252), 123181#(<= ULTIMATE.start_main_~i~4 258), 123180#(<= ULTIMATE.start_main_~i~4 256), 123183#(<= ULTIMATE.start_main_~i~4 262), 123182#(<= ULTIMATE.start_main_~i~4 260), 123185#(<= ULTIMATE.start_main_~i~4 266), 123184#(<= ULTIMATE.start_main_~i~4 264), 123187#(<= ULTIMATE.start_main_~i~4 270), 123186#(<= ULTIMATE.start_main_~i~4 268), 123189#(<= ULTIMATE.start_main_~i~4 274), 123188#(<= ULTIMATE.start_main_~i~4 272), 123191#(<= ULTIMATE.start_main_~i~4 278), 123190#(<= ULTIMATE.start_main_~i~4 276), 123193#(<= ULTIMATE.start_main_~i~4 282), 123192#(<= ULTIMATE.start_main_~i~4 280), 123195#(<= ULTIMATE.start_main_~i~4 286), 123194#(<= ULTIMATE.start_main_~i~4 284), 123197#(<= ULTIMATE.start_main_~i~4 290), 123196#(<= ULTIMATE.start_main_~i~4 288), 123199#(<= ULTIMATE.start_main_~i~4 294), 123198#(<= ULTIMATE.start_main_~i~4 292), 123201#(<= ULTIMATE.start_main_~i~4 298), 123200#(<= ULTIMATE.start_main_~i~4 296), 123203#(<= ULTIMATE.start_main_~i~4 302), 123202#(<= ULTIMATE.start_main_~i~4 300), 123205#(<= ULTIMATE.start_main_~i~4 306), 123204#(<= ULTIMATE.start_main_~i~4 304), 123207#(<= ULTIMATE.start_main_~i~4 310), 123206#(<= ULTIMATE.start_main_~i~4 308), 123209#(<= ULTIMATE.start_main_~i~4 314), 123208#(<= ULTIMATE.start_main_~i~4 312), 123211#(<= ULTIMATE.start_main_~i~4 318), 123210#(<= ULTIMATE.start_main_~i~4 316), 123213#(<= ULTIMATE.start_main_~i~4 322), 123212#(<= ULTIMATE.start_main_~i~4 320), 123214#(<= ULTIMATE.start_main_~i~4 324), 123051#false, 123050#true, 123053#(<= ULTIMATE.start_main_~i~4 2), 123052#(<= ULTIMATE.start_main_~i~4 0), 123055#(<= ULTIMATE.start_main_~i~4 6), 123054#(<= ULTIMATE.start_main_~i~4 4), 123057#(<= ULTIMATE.start_main_~i~4 10), 123056#(<= ULTIMATE.start_main_~i~4 8), 123059#(<= ULTIMATE.start_main_~i~4 14), 123058#(<= ULTIMATE.start_main_~i~4 12), 123061#(<= ULTIMATE.start_main_~i~4 18), 123060#(<= ULTIMATE.start_main_~i~4 16), 123063#(<= ULTIMATE.start_main_~i~4 22), 123062#(<= ULTIMATE.start_main_~i~4 20), 123065#(<= ULTIMATE.start_main_~i~4 26), 123064#(<= ULTIMATE.start_main_~i~4 24), 123067#(<= ULTIMATE.start_main_~i~4 30), 123066#(<= ULTIMATE.start_main_~i~4 28), 123069#(<= ULTIMATE.start_main_~i~4 34), 123068#(<= ULTIMATE.start_main_~i~4 32), 123071#(<= ULTIMATE.start_main_~i~4 38), 123070#(<= ULTIMATE.start_main_~i~4 36), 123073#(<= ULTIMATE.start_main_~i~4 42), 123072#(<= ULTIMATE.start_main_~i~4 40), 123075#(<= ULTIMATE.start_main_~i~4 46), 123074#(<= ULTIMATE.start_main_~i~4 44), 123077#(<= ULTIMATE.start_main_~i~4 50), 123076#(<= ULTIMATE.start_main_~i~4 48), 123079#(<= ULTIMATE.start_main_~i~4 54), 123078#(<= ULTIMATE.start_main_~i~4 52), 123081#(<= ULTIMATE.start_main_~i~4 58), 123080#(<= ULTIMATE.start_main_~i~4 56), 123083#(<= ULTIMATE.start_main_~i~4 62), 123082#(<= ULTIMATE.start_main_~i~4 60), 123085#(<= ULTIMATE.start_main_~i~4 66), 123084#(<= ULTIMATE.start_main_~i~4 64), 123087#(<= ULTIMATE.start_main_~i~4 70), 123086#(<= ULTIMATE.start_main_~i~4 68), 123089#(<= ULTIMATE.start_main_~i~4 74), 123088#(<= ULTIMATE.start_main_~i~4 72), 123091#(<= ULTIMATE.start_main_~i~4 78), 123090#(<= ULTIMATE.start_main_~i~4 76), 123093#(<= ULTIMATE.start_main_~i~4 82), 123092#(<= ULTIMATE.start_main_~i~4 80), 123095#(<= ULTIMATE.start_main_~i~4 86), 123094#(<= ULTIMATE.start_main_~i~4 84), 123097#(<= ULTIMATE.start_main_~i~4 90), 123096#(<= ULTIMATE.start_main_~i~4 88), 123099#(<= ULTIMATE.start_main_~i~4 94), 123098#(<= ULTIMATE.start_main_~i~4 92), 123101#(<= ULTIMATE.start_main_~i~4 98), 123100#(<= ULTIMATE.start_main_~i~4 96), 123103#(<= ULTIMATE.start_main_~i~4 102), 123102#(<= ULTIMATE.start_main_~i~4 100), 123105#(<= ULTIMATE.start_main_~i~4 106), 123104#(<= ULTIMATE.start_main_~i~4 104), 123107#(<= ULTIMATE.start_main_~i~4 110), 123106#(<= ULTIMATE.start_main_~i~4 108), 123109#(<= ULTIMATE.start_main_~i~4 114), 123108#(<= ULTIMATE.start_main_~i~4 112), 123111#(<= ULTIMATE.start_main_~i~4 118), 123110#(<= ULTIMATE.start_main_~i~4 116), 123113#(<= ULTIMATE.start_main_~i~4 122), 123112#(<= ULTIMATE.start_main_~i~4 120), 123115#(<= ULTIMATE.start_main_~i~4 126), 123114#(<= ULTIMATE.start_main_~i~4 124), 123117#(<= ULTIMATE.start_main_~i~4 130), 123116#(<= ULTIMATE.start_main_~i~4 128), 123119#(<= ULTIMATE.start_main_~i~4 134), 123118#(<= ULTIMATE.start_main_~i~4 132), 123121#(<= ULTIMATE.start_main_~i~4 138), 123120#(<= ULTIMATE.start_main_~i~4 136), 123123#(<= ULTIMATE.start_main_~i~4 142), 123122#(<= ULTIMATE.start_main_~i~4 140), 123125#(<= ULTIMATE.start_main_~i~4 146), 123124#(<= ULTIMATE.start_main_~i~4 144), 123127#(<= ULTIMATE.start_main_~i~4 150), 123126#(<= ULTIMATE.start_main_~i~4 148), 123129#(<= ULTIMATE.start_main_~i~4 154), 123128#(<= ULTIMATE.start_main_~i~4 152), 123131#(<= ULTIMATE.start_main_~i~4 158), 123130#(<= ULTIMATE.start_main_~i~4 156), 123133#(<= ULTIMATE.start_main_~i~4 162), 123132#(<= ULTIMATE.start_main_~i~4 160), 123135#(<= ULTIMATE.start_main_~i~4 166), 123134#(<= ULTIMATE.start_main_~i~4 164)] [2018-07-23 13:46:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,711 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:46:10,713 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:46:10,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:46:10,714 INFO L87 Difference]: Start difference. First operand 329 states and 329 transitions. Second operand 165 states. [2018-07-23 13:46:10,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:10,978 INFO L93 Difference]: Finished difference Result 333 states and 333 transitions. [2018-07-23 13:46:10,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:46:10,979 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 328 [2018-07-23 13:46:10,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:10,979 INFO L225 Difference]: With dead ends: 333 [2018-07-23 13:46:10,979 INFO L226 Difference]: Without dead ends: 331 [2018-07-23 13:46:10,981 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:46:10,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-07-23 13:46:10,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-07-23 13:46:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-07-23 13:46:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 331 transitions. [2018-07-23 13:46:10,984 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 331 transitions. Word has length 328 [2018-07-23 13:46:10,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:10,984 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 331 transitions. [2018-07-23 13:46:10,984 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:46:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 331 transitions. [2018-07-23 13:46:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-07-23 13:46:10,985 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:10,985 INFO L357 BasicCegarLoop]: trace histogram [164, 163, 1, 1, 1] [2018-07-23 13:46:10,985 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:10,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1461814859, now seen corresponding path program 163 times [2018-07-23 13:46:10,985 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,651 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:11,651 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:46:11,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,652 INFO L185 omatonBuilderFactory]: Interpolants [124673#(<= ULTIMATE.start_main_~i~4 256), 124672#(<= ULTIMATE.start_main_~i~4 254), 124675#(<= ULTIMATE.start_main_~i~4 260), 124674#(<= ULTIMATE.start_main_~i~4 258), 124677#(<= ULTIMATE.start_main_~i~4 264), 124676#(<= ULTIMATE.start_main_~i~4 262), 124679#(<= ULTIMATE.start_main_~i~4 268), 124678#(<= ULTIMATE.start_main_~i~4 266), 124681#(<= ULTIMATE.start_main_~i~4 272), 124680#(<= ULTIMATE.start_main_~i~4 270), 124683#(<= ULTIMATE.start_main_~i~4 276), 124682#(<= ULTIMATE.start_main_~i~4 274), 124685#(<= ULTIMATE.start_main_~i~4 280), 124684#(<= ULTIMATE.start_main_~i~4 278), 124687#(<= ULTIMATE.start_main_~i~4 284), 124686#(<= ULTIMATE.start_main_~i~4 282), 124689#(<= ULTIMATE.start_main_~i~4 288), 124688#(<= ULTIMATE.start_main_~i~4 286), 124691#(<= ULTIMATE.start_main_~i~4 292), 124690#(<= ULTIMATE.start_main_~i~4 290), 124693#(<= ULTIMATE.start_main_~i~4 296), 124692#(<= ULTIMATE.start_main_~i~4 294), 124695#(<= ULTIMATE.start_main_~i~4 300), 124694#(<= ULTIMATE.start_main_~i~4 298), 124697#(<= ULTIMATE.start_main_~i~4 304), 124696#(<= ULTIMATE.start_main_~i~4 302), 124699#(<= ULTIMATE.start_main_~i~4 308), 124698#(<= ULTIMATE.start_main_~i~4 306), 124701#(<= ULTIMATE.start_main_~i~4 312), 124700#(<= ULTIMATE.start_main_~i~4 310), 124703#(<= ULTIMATE.start_main_~i~4 316), 124702#(<= ULTIMATE.start_main_~i~4 314), 124705#(<= ULTIMATE.start_main_~i~4 320), 124704#(<= ULTIMATE.start_main_~i~4 318), 124707#(<= ULTIMATE.start_main_~i~4 324), 124706#(<= ULTIMATE.start_main_~i~4 322), 124708#(<= ULTIMATE.start_main_~i~4 326), 124543#true, 124545#(<= ULTIMATE.start_main_~i~4 0), 124544#false, 124547#(<= ULTIMATE.start_main_~i~4 4), 124546#(<= ULTIMATE.start_main_~i~4 2), 124549#(<= ULTIMATE.start_main_~i~4 8), 124548#(<= ULTIMATE.start_main_~i~4 6), 124551#(<= ULTIMATE.start_main_~i~4 12), 124550#(<= ULTIMATE.start_main_~i~4 10), 124553#(<= ULTIMATE.start_main_~i~4 16), 124552#(<= ULTIMATE.start_main_~i~4 14), 124555#(<= ULTIMATE.start_main_~i~4 20), 124554#(<= ULTIMATE.start_main_~i~4 18), 124557#(<= ULTIMATE.start_main_~i~4 24), 124556#(<= ULTIMATE.start_main_~i~4 22), 124559#(<= ULTIMATE.start_main_~i~4 28), 124558#(<= ULTIMATE.start_main_~i~4 26), 124561#(<= ULTIMATE.start_main_~i~4 32), 124560#(<= ULTIMATE.start_main_~i~4 30), 124563#(<= ULTIMATE.start_main_~i~4 36), 124562#(<= ULTIMATE.start_main_~i~4 34), 124565#(<= ULTIMATE.start_main_~i~4 40), 124564#(<= ULTIMATE.start_main_~i~4 38), 124567#(<= ULTIMATE.start_main_~i~4 44), 124566#(<= ULTIMATE.start_main_~i~4 42), 124569#(<= ULTIMATE.start_main_~i~4 48), 124568#(<= ULTIMATE.start_main_~i~4 46), 124571#(<= ULTIMATE.start_main_~i~4 52), 124570#(<= ULTIMATE.start_main_~i~4 50), 124573#(<= ULTIMATE.start_main_~i~4 56), 124572#(<= ULTIMATE.start_main_~i~4 54), 124575#(<= ULTIMATE.start_main_~i~4 60), 124574#(<= ULTIMATE.start_main_~i~4 58), 124577#(<= ULTIMATE.start_main_~i~4 64), 124576#(<= ULTIMATE.start_main_~i~4 62), 124579#(<= ULTIMATE.start_main_~i~4 68), 124578#(<= ULTIMATE.start_main_~i~4 66), 124581#(<= ULTIMATE.start_main_~i~4 72), 124580#(<= ULTIMATE.start_main_~i~4 70), 124583#(<= ULTIMATE.start_main_~i~4 76), 124582#(<= ULTIMATE.start_main_~i~4 74), 124585#(<= ULTIMATE.start_main_~i~4 80), 124584#(<= ULTIMATE.start_main_~i~4 78), 124587#(<= ULTIMATE.start_main_~i~4 84), 124586#(<= ULTIMATE.start_main_~i~4 82), 124589#(<= ULTIMATE.start_main_~i~4 88), 124588#(<= ULTIMATE.start_main_~i~4 86), 124591#(<= ULTIMATE.start_main_~i~4 92), 124590#(<= ULTIMATE.start_main_~i~4 90), 124593#(<= ULTIMATE.start_main_~i~4 96), 124592#(<= ULTIMATE.start_main_~i~4 94), 124595#(<= ULTIMATE.start_main_~i~4 100), 124594#(<= ULTIMATE.start_main_~i~4 98), 124597#(<= ULTIMATE.start_main_~i~4 104), 124596#(<= ULTIMATE.start_main_~i~4 102), 124599#(<= ULTIMATE.start_main_~i~4 108), 124598#(<= ULTIMATE.start_main_~i~4 106), 124601#(<= ULTIMATE.start_main_~i~4 112), 124600#(<= ULTIMATE.start_main_~i~4 110), 124603#(<= ULTIMATE.start_main_~i~4 116), 124602#(<= ULTIMATE.start_main_~i~4 114), 124605#(<= ULTIMATE.start_main_~i~4 120), 124604#(<= ULTIMATE.start_main_~i~4 118), 124607#(<= ULTIMATE.start_main_~i~4 124), 124606#(<= ULTIMATE.start_main_~i~4 122), 124609#(<= ULTIMATE.start_main_~i~4 128), 124608#(<= ULTIMATE.start_main_~i~4 126), 124611#(<= ULTIMATE.start_main_~i~4 132), 124610#(<= ULTIMATE.start_main_~i~4 130), 124613#(<= ULTIMATE.start_main_~i~4 136), 124612#(<= ULTIMATE.start_main_~i~4 134), 124615#(<= ULTIMATE.start_main_~i~4 140), 124614#(<= ULTIMATE.start_main_~i~4 138), 124617#(<= ULTIMATE.start_main_~i~4 144), 124616#(<= ULTIMATE.start_main_~i~4 142), 124619#(<= ULTIMATE.start_main_~i~4 148), 124618#(<= ULTIMATE.start_main_~i~4 146), 124621#(<= ULTIMATE.start_main_~i~4 152), 124620#(<= ULTIMATE.start_main_~i~4 150), 124623#(<= ULTIMATE.start_main_~i~4 156), 124622#(<= ULTIMATE.start_main_~i~4 154), 124625#(<= ULTIMATE.start_main_~i~4 160), 124624#(<= ULTIMATE.start_main_~i~4 158), 124627#(<= ULTIMATE.start_main_~i~4 164), 124626#(<= ULTIMATE.start_main_~i~4 162), 124629#(<= ULTIMATE.start_main_~i~4 168), 124628#(<= ULTIMATE.start_main_~i~4 166), 124631#(<= ULTIMATE.start_main_~i~4 172), 124630#(<= ULTIMATE.start_main_~i~4 170), 124633#(<= ULTIMATE.start_main_~i~4 176), 124632#(<= ULTIMATE.start_main_~i~4 174), 124635#(<= ULTIMATE.start_main_~i~4 180), 124634#(<= ULTIMATE.start_main_~i~4 178), 124637#(<= ULTIMATE.start_main_~i~4 184), 124636#(<= ULTIMATE.start_main_~i~4 182), 124639#(<= ULTIMATE.start_main_~i~4 188), 124638#(<= ULTIMATE.start_main_~i~4 186), 124641#(<= ULTIMATE.start_main_~i~4 192), 124640#(<= ULTIMATE.start_main_~i~4 190), 124643#(<= ULTIMATE.start_main_~i~4 196), 124642#(<= ULTIMATE.start_main_~i~4 194), 124645#(<= ULTIMATE.start_main_~i~4 200), 124644#(<= ULTIMATE.start_main_~i~4 198), 124647#(<= ULTIMATE.start_main_~i~4 204), 124646#(<= ULTIMATE.start_main_~i~4 202), 124649#(<= ULTIMATE.start_main_~i~4 208), 124648#(<= ULTIMATE.start_main_~i~4 206), 124651#(<= ULTIMATE.start_main_~i~4 212), 124650#(<= ULTIMATE.start_main_~i~4 210), 124653#(<= ULTIMATE.start_main_~i~4 216), 124652#(<= ULTIMATE.start_main_~i~4 214), 124655#(<= ULTIMATE.start_main_~i~4 220), 124654#(<= ULTIMATE.start_main_~i~4 218), 124657#(<= ULTIMATE.start_main_~i~4 224), 124656#(<= ULTIMATE.start_main_~i~4 222), 124659#(<= ULTIMATE.start_main_~i~4 228), 124658#(<= ULTIMATE.start_main_~i~4 226), 124661#(<= ULTIMATE.start_main_~i~4 232), 124660#(<= ULTIMATE.start_main_~i~4 230), 124663#(<= ULTIMATE.start_main_~i~4 236), 124662#(<= ULTIMATE.start_main_~i~4 234), 124665#(<= ULTIMATE.start_main_~i~4 240), 124664#(<= ULTIMATE.start_main_~i~4 238), 124667#(<= ULTIMATE.start_main_~i~4 244), 124666#(<= ULTIMATE.start_main_~i~4 242), 124669#(<= ULTIMATE.start_main_~i~4 248), 124668#(<= ULTIMATE.start_main_~i~4 246), 124671#(<= ULTIMATE.start_main_~i~4 252), 124670#(<= ULTIMATE.start_main_~i~4 250)] [2018-07-23 13:46:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,653 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:46:11,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:46:11,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:46:11,656 INFO L87 Difference]: Start difference. First operand 331 states and 331 transitions. Second operand 166 states. [2018-07-23 13:46:12,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:12,098 INFO L93 Difference]: Finished difference Result 335 states and 335 transitions. [2018-07-23 13:46:12,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:46:12,098 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 330 [2018-07-23 13:46:12,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:12,099 INFO L225 Difference]: With dead ends: 335 [2018-07-23 13:46:12,099 INFO L226 Difference]: Without dead ends: 333 [2018-07-23 13:46:12,100 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:46:12,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-07-23 13:46:12,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-07-23 13:46:12,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-07-23 13:46:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 333 transitions. [2018-07-23 13:46:12,104 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 333 transitions. Word has length 330 [2018-07-23 13:46:12,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:12,105 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 333 transitions. [2018-07-23 13:46:12,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:46:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 333 transitions. [2018-07-23 13:46:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-07-23 13:46:12,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:12,106 INFO L357 BasicCegarLoop]: trace histogram [165, 164, 1, 1, 1] [2018-07-23 13:46:12,107 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:12,107 INFO L82 PathProgramCache]: Analyzing trace with hash -349721617, now seen corresponding path program 164 times [2018-07-23 13:46:12,107 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,977 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:12,977 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:46:12,977 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,978 INFO L185 omatonBuilderFactory]: Interpolants [126209#(<= ULTIMATE.start_main_~i~4 324), 126208#(<= ULTIMATE.start_main_~i~4 322), 126211#(<= ULTIMATE.start_main_~i~4 328), 126210#(<= ULTIMATE.start_main_~i~4 326), 126045#true, 126047#(<= ULTIMATE.start_main_~i~4 0), 126046#false, 126049#(<= ULTIMATE.start_main_~i~4 4), 126048#(<= ULTIMATE.start_main_~i~4 2), 126051#(<= ULTIMATE.start_main_~i~4 8), 126050#(<= ULTIMATE.start_main_~i~4 6), 126053#(<= ULTIMATE.start_main_~i~4 12), 126052#(<= ULTIMATE.start_main_~i~4 10), 126055#(<= ULTIMATE.start_main_~i~4 16), 126054#(<= ULTIMATE.start_main_~i~4 14), 126057#(<= ULTIMATE.start_main_~i~4 20), 126056#(<= ULTIMATE.start_main_~i~4 18), 126059#(<= ULTIMATE.start_main_~i~4 24), 126058#(<= ULTIMATE.start_main_~i~4 22), 126061#(<= ULTIMATE.start_main_~i~4 28), 126060#(<= ULTIMATE.start_main_~i~4 26), 126063#(<= ULTIMATE.start_main_~i~4 32), 126062#(<= ULTIMATE.start_main_~i~4 30), 126065#(<= ULTIMATE.start_main_~i~4 36), 126064#(<= ULTIMATE.start_main_~i~4 34), 126067#(<= ULTIMATE.start_main_~i~4 40), 126066#(<= ULTIMATE.start_main_~i~4 38), 126069#(<= ULTIMATE.start_main_~i~4 44), 126068#(<= ULTIMATE.start_main_~i~4 42), 126071#(<= ULTIMATE.start_main_~i~4 48), 126070#(<= ULTIMATE.start_main_~i~4 46), 126073#(<= ULTIMATE.start_main_~i~4 52), 126072#(<= ULTIMATE.start_main_~i~4 50), 126075#(<= ULTIMATE.start_main_~i~4 56), 126074#(<= ULTIMATE.start_main_~i~4 54), 126077#(<= ULTIMATE.start_main_~i~4 60), 126076#(<= ULTIMATE.start_main_~i~4 58), 126079#(<= ULTIMATE.start_main_~i~4 64), 126078#(<= ULTIMATE.start_main_~i~4 62), 126081#(<= ULTIMATE.start_main_~i~4 68), 126080#(<= ULTIMATE.start_main_~i~4 66), 126083#(<= ULTIMATE.start_main_~i~4 72), 126082#(<= ULTIMATE.start_main_~i~4 70), 126085#(<= ULTIMATE.start_main_~i~4 76), 126084#(<= ULTIMATE.start_main_~i~4 74), 126087#(<= ULTIMATE.start_main_~i~4 80), 126086#(<= ULTIMATE.start_main_~i~4 78), 126089#(<= ULTIMATE.start_main_~i~4 84), 126088#(<= ULTIMATE.start_main_~i~4 82), 126091#(<= ULTIMATE.start_main_~i~4 88), 126090#(<= ULTIMATE.start_main_~i~4 86), 126093#(<= ULTIMATE.start_main_~i~4 92), 126092#(<= ULTIMATE.start_main_~i~4 90), 126095#(<= ULTIMATE.start_main_~i~4 96), 126094#(<= ULTIMATE.start_main_~i~4 94), 126097#(<= ULTIMATE.start_main_~i~4 100), 126096#(<= ULTIMATE.start_main_~i~4 98), 126099#(<= ULTIMATE.start_main_~i~4 104), 126098#(<= ULTIMATE.start_main_~i~4 102), 126101#(<= ULTIMATE.start_main_~i~4 108), 126100#(<= ULTIMATE.start_main_~i~4 106), 126103#(<= ULTIMATE.start_main_~i~4 112), 126102#(<= ULTIMATE.start_main_~i~4 110), 126105#(<= ULTIMATE.start_main_~i~4 116), 126104#(<= ULTIMATE.start_main_~i~4 114), 126107#(<= ULTIMATE.start_main_~i~4 120), 126106#(<= ULTIMATE.start_main_~i~4 118), 126109#(<= ULTIMATE.start_main_~i~4 124), 126108#(<= ULTIMATE.start_main_~i~4 122), 126111#(<= ULTIMATE.start_main_~i~4 128), 126110#(<= ULTIMATE.start_main_~i~4 126), 126113#(<= ULTIMATE.start_main_~i~4 132), 126112#(<= ULTIMATE.start_main_~i~4 130), 126115#(<= ULTIMATE.start_main_~i~4 136), 126114#(<= ULTIMATE.start_main_~i~4 134), 126117#(<= ULTIMATE.start_main_~i~4 140), 126116#(<= ULTIMATE.start_main_~i~4 138), 126119#(<= ULTIMATE.start_main_~i~4 144), 126118#(<= ULTIMATE.start_main_~i~4 142), 126121#(<= ULTIMATE.start_main_~i~4 148), 126120#(<= ULTIMATE.start_main_~i~4 146), 126123#(<= ULTIMATE.start_main_~i~4 152), 126122#(<= ULTIMATE.start_main_~i~4 150), 126125#(<= ULTIMATE.start_main_~i~4 156), 126124#(<= ULTIMATE.start_main_~i~4 154), 126127#(<= ULTIMATE.start_main_~i~4 160), 126126#(<= ULTIMATE.start_main_~i~4 158), 126129#(<= ULTIMATE.start_main_~i~4 164), 126128#(<= ULTIMATE.start_main_~i~4 162), 126131#(<= ULTIMATE.start_main_~i~4 168), 126130#(<= ULTIMATE.start_main_~i~4 166), 126133#(<= ULTIMATE.start_main_~i~4 172), 126132#(<= ULTIMATE.start_main_~i~4 170), 126135#(<= ULTIMATE.start_main_~i~4 176), 126134#(<= ULTIMATE.start_main_~i~4 174), 126137#(<= ULTIMATE.start_main_~i~4 180), 126136#(<= ULTIMATE.start_main_~i~4 178), 126139#(<= ULTIMATE.start_main_~i~4 184), 126138#(<= ULTIMATE.start_main_~i~4 182), 126141#(<= ULTIMATE.start_main_~i~4 188), 126140#(<= ULTIMATE.start_main_~i~4 186), 126143#(<= ULTIMATE.start_main_~i~4 192), 126142#(<= ULTIMATE.start_main_~i~4 190), 126145#(<= ULTIMATE.start_main_~i~4 196), 126144#(<= ULTIMATE.start_main_~i~4 194), 126147#(<= ULTIMATE.start_main_~i~4 200), 126146#(<= ULTIMATE.start_main_~i~4 198), 126149#(<= ULTIMATE.start_main_~i~4 204), 126148#(<= ULTIMATE.start_main_~i~4 202), 126151#(<= ULTIMATE.start_main_~i~4 208), 126150#(<= ULTIMATE.start_main_~i~4 206), 126153#(<= ULTIMATE.start_main_~i~4 212), 126152#(<= ULTIMATE.start_main_~i~4 210), 126155#(<= ULTIMATE.start_main_~i~4 216), 126154#(<= ULTIMATE.start_main_~i~4 214), 126157#(<= ULTIMATE.start_main_~i~4 220), 126156#(<= ULTIMATE.start_main_~i~4 218), 126159#(<= ULTIMATE.start_main_~i~4 224), 126158#(<= ULTIMATE.start_main_~i~4 222), 126161#(<= ULTIMATE.start_main_~i~4 228), 126160#(<= ULTIMATE.start_main_~i~4 226), 126163#(<= ULTIMATE.start_main_~i~4 232), 126162#(<= ULTIMATE.start_main_~i~4 230), 126165#(<= ULTIMATE.start_main_~i~4 236), 126164#(<= ULTIMATE.start_main_~i~4 234), 126167#(<= ULTIMATE.start_main_~i~4 240), 126166#(<= ULTIMATE.start_main_~i~4 238), 126169#(<= ULTIMATE.start_main_~i~4 244), 126168#(<= ULTIMATE.start_main_~i~4 242), 126171#(<= ULTIMATE.start_main_~i~4 248), 126170#(<= ULTIMATE.start_main_~i~4 246), 126173#(<= ULTIMATE.start_main_~i~4 252), 126172#(<= ULTIMATE.start_main_~i~4 250), 126175#(<= ULTIMATE.start_main_~i~4 256), 126174#(<= ULTIMATE.start_main_~i~4 254), 126177#(<= ULTIMATE.start_main_~i~4 260), 126176#(<= ULTIMATE.start_main_~i~4 258), 126179#(<= ULTIMATE.start_main_~i~4 264), 126178#(<= ULTIMATE.start_main_~i~4 262), 126181#(<= ULTIMATE.start_main_~i~4 268), 126180#(<= ULTIMATE.start_main_~i~4 266), 126183#(<= ULTIMATE.start_main_~i~4 272), 126182#(<= ULTIMATE.start_main_~i~4 270), 126185#(<= ULTIMATE.start_main_~i~4 276), 126184#(<= ULTIMATE.start_main_~i~4 274), 126187#(<= ULTIMATE.start_main_~i~4 280), 126186#(<= ULTIMATE.start_main_~i~4 278), 126189#(<= ULTIMATE.start_main_~i~4 284), 126188#(<= ULTIMATE.start_main_~i~4 282), 126191#(<= ULTIMATE.start_main_~i~4 288), 126190#(<= ULTIMATE.start_main_~i~4 286), 126193#(<= ULTIMATE.start_main_~i~4 292), 126192#(<= ULTIMATE.start_main_~i~4 290), 126195#(<= ULTIMATE.start_main_~i~4 296), 126194#(<= ULTIMATE.start_main_~i~4 294), 126197#(<= ULTIMATE.start_main_~i~4 300), 126196#(<= ULTIMATE.start_main_~i~4 298), 126199#(<= ULTIMATE.start_main_~i~4 304), 126198#(<= ULTIMATE.start_main_~i~4 302), 126201#(<= ULTIMATE.start_main_~i~4 308), 126200#(<= ULTIMATE.start_main_~i~4 306), 126203#(<= ULTIMATE.start_main_~i~4 312), 126202#(<= ULTIMATE.start_main_~i~4 310), 126205#(<= ULTIMATE.start_main_~i~4 316), 126204#(<= ULTIMATE.start_main_~i~4 314), 126207#(<= ULTIMATE.start_main_~i~4 320), 126206#(<= ULTIMATE.start_main_~i~4 318)] [2018-07-23 13:46:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,979 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:46:12,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:46:12,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:46:12,981 INFO L87 Difference]: Start difference. First operand 333 states and 333 transitions. Second operand 167 states. [2018-07-23 13:46:13,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:13,810 INFO L93 Difference]: Finished difference Result 337 states and 337 transitions. [2018-07-23 13:46:13,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:46:13,811 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 332 [2018-07-23 13:46:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:13,811 INFO L225 Difference]: With dead ends: 337 [2018-07-23 13:46:13,811 INFO L226 Difference]: Without dead ends: 335 [2018-07-23 13:46:13,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:46:13,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-07-23 13:46:13,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2018-07-23 13:46:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-07-23 13:46:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 335 transitions. [2018-07-23 13:46:13,816 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 335 transitions. Word has length 332 [2018-07-23 13:46:13,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:13,816 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 335 transitions. [2018-07-23 13:46:13,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:46:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 335 transitions. [2018-07-23 13:46:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-07-23 13:46:13,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:13,817 INFO L357 BasicCegarLoop]: trace histogram [166, 165, 1, 1, 1] [2018-07-23 13:46:13,817 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:13,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1074972759, now seen corresponding path program 165 times [2018-07-23 13:46:13,817 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,508 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:14,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:46:14,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,509 INFO L185 omatonBuilderFactory]: Interpolants [127557#false, 127556#true, 127559#(<= ULTIMATE.start_main_~i~4 2), 127558#(<= ULTIMATE.start_main_~i~4 0), 127561#(<= ULTIMATE.start_main_~i~4 6), 127560#(<= ULTIMATE.start_main_~i~4 4), 127563#(<= ULTIMATE.start_main_~i~4 10), 127562#(<= ULTIMATE.start_main_~i~4 8), 127565#(<= ULTIMATE.start_main_~i~4 14), 127564#(<= ULTIMATE.start_main_~i~4 12), 127567#(<= ULTIMATE.start_main_~i~4 18), 127566#(<= ULTIMATE.start_main_~i~4 16), 127569#(<= ULTIMATE.start_main_~i~4 22), 127568#(<= ULTIMATE.start_main_~i~4 20), 127571#(<= ULTIMATE.start_main_~i~4 26), 127570#(<= ULTIMATE.start_main_~i~4 24), 127573#(<= ULTIMATE.start_main_~i~4 30), 127572#(<= ULTIMATE.start_main_~i~4 28), 127575#(<= ULTIMATE.start_main_~i~4 34), 127574#(<= ULTIMATE.start_main_~i~4 32), 127577#(<= ULTIMATE.start_main_~i~4 38), 127576#(<= ULTIMATE.start_main_~i~4 36), 127579#(<= ULTIMATE.start_main_~i~4 42), 127578#(<= ULTIMATE.start_main_~i~4 40), 127581#(<= ULTIMATE.start_main_~i~4 46), 127580#(<= ULTIMATE.start_main_~i~4 44), 127583#(<= ULTIMATE.start_main_~i~4 50), 127582#(<= ULTIMATE.start_main_~i~4 48), 127585#(<= ULTIMATE.start_main_~i~4 54), 127584#(<= ULTIMATE.start_main_~i~4 52), 127587#(<= ULTIMATE.start_main_~i~4 58), 127586#(<= ULTIMATE.start_main_~i~4 56), 127589#(<= ULTIMATE.start_main_~i~4 62), 127588#(<= ULTIMATE.start_main_~i~4 60), 127591#(<= ULTIMATE.start_main_~i~4 66), 127590#(<= ULTIMATE.start_main_~i~4 64), 127593#(<= ULTIMATE.start_main_~i~4 70), 127592#(<= ULTIMATE.start_main_~i~4 68), 127595#(<= ULTIMATE.start_main_~i~4 74), 127594#(<= ULTIMATE.start_main_~i~4 72), 127597#(<= ULTIMATE.start_main_~i~4 78), 127596#(<= ULTIMATE.start_main_~i~4 76), 127599#(<= ULTIMATE.start_main_~i~4 82), 127598#(<= ULTIMATE.start_main_~i~4 80), 127601#(<= ULTIMATE.start_main_~i~4 86), 127600#(<= ULTIMATE.start_main_~i~4 84), 127603#(<= ULTIMATE.start_main_~i~4 90), 127602#(<= ULTIMATE.start_main_~i~4 88), 127605#(<= ULTIMATE.start_main_~i~4 94), 127604#(<= ULTIMATE.start_main_~i~4 92), 127607#(<= ULTIMATE.start_main_~i~4 98), 127606#(<= ULTIMATE.start_main_~i~4 96), 127609#(<= ULTIMATE.start_main_~i~4 102), 127608#(<= ULTIMATE.start_main_~i~4 100), 127611#(<= ULTIMATE.start_main_~i~4 106), 127610#(<= ULTIMATE.start_main_~i~4 104), 127613#(<= ULTIMATE.start_main_~i~4 110), 127612#(<= ULTIMATE.start_main_~i~4 108), 127615#(<= ULTIMATE.start_main_~i~4 114), 127614#(<= ULTIMATE.start_main_~i~4 112), 127617#(<= ULTIMATE.start_main_~i~4 118), 127616#(<= ULTIMATE.start_main_~i~4 116), 127619#(<= ULTIMATE.start_main_~i~4 122), 127618#(<= ULTIMATE.start_main_~i~4 120), 127621#(<= ULTIMATE.start_main_~i~4 126), 127620#(<= ULTIMATE.start_main_~i~4 124), 127623#(<= ULTIMATE.start_main_~i~4 130), 127622#(<= ULTIMATE.start_main_~i~4 128), 127625#(<= ULTIMATE.start_main_~i~4 134), 127624#(<= ULTIMATE.start_main_~i~4 132), 127627#(<= ULTIMATE.start_main_~i~4 138), 127626#(<= ULTIMATE.start_main_~i~4 136), 127629#(<= ULTIMATE.start_main_~i~4 142), 127628#(<= ULTIMATE.start_main_~i~4 140), 127631#(<= ULTIMATE.start_main_~i~4 146), 127630#(<= ULTIMATE.start_main_~i~4 144), 127633#(<= ULTIMATE.start_main_~i~4 150), 127632#(<= ULTIMATE.start_main_~i~4 148), 127635#(<= ULTIMATE.start_main_~i~4 154), 127634#(<= ULTIMATE.start_main_~i~4 152), 127637#(<= ULTIMATE.start_main_~i~4 158), 127636#(<= ULTIMATE.start_main_~i~4 156), 127639#(<= ULTIMATE.start_main_~i~4 162), 127638#(<= ULTIMATE.start_main_~i~4 160), 127641#(<= ULTIMATE.start_main_~i~4 166), 127640#(<= ULTIMATE.start_main_~i~4 164), 127643#(<= ULTIMATE.start_main_~i~4 170), 127642#(<= ULTIMATE.start_main_~i~4 168), 127645#(<= ULTIMATE.start_main_~i~4 174), 127644#(<= ULTIMATE.start_main_~i~4 172), 127647#(<= ULTIMATE.start_main_~i~4 178), 127646#(<= ULTIMATE.start_main_~i~4 176), 127649#(<= ULTIMATE.start_main_~i~4 182), 127648#(<= ULTIMATE.start_main_~i~4 180), 127651#(<= ULTIMATE.start_main_~i~4 186), 127650#(<= ULTIMATE.start_main_~i~4 184), 127653#(<= ULTIMATE.start_main_~i~4 190), 127652#(<= ULTIMATE.start_main_~i~4 188), 127655#(<= ULTIMATE.start_main_~i~4 194), 127654#(<= ULTIMATE.start_main_~i~4 192), 127657#(<= ULTIMATE.start_main_~i~4 198), 127656#(<= ULTIMATE.start_main_~i~4 196), 127659#(<= ULTIMATE.start_main_~i~4 202), 127658#(<= ULTIMATE.start_main_~i~4 200), 127661#(<= ULTIMATE.start_main_~i~4 206), 127660#(<= ULTIMATE.start_main_~i~4 204), 127663#(<= ULTIMATE.start_main_~i~4 210), 127662#(<= ULTIMATE.start_main_~i~4 208), 127665#(<= ULTIMATE.start_main_~i~4 214), 127664#(<= ULTIMATE.start_main_~i~4 212), 127667#(<= ULTIMATE.start_main_~i~4 218), 127666#(<= ULTIMATE.start_main_~i~4 216), 127669#(<= ULTIMATE.start_main_~i~4 222), 127668#(<= ULTIMATE.start_main_~i~4 220), 127671#(<= ULTIMATE.start_main_~i~4 226), 127670#(<= ULTIMATE.start_main_~i~4 224), 127673#(<= ULTIMATE.start_main_~i~4 230), 127672#(<= ULTIMATE.start_main_~i~4 228), 127675#(<= ULTIMATE.start_main_~i~4 234), 127674#(<= ULTIMATE.start_main_~i~4 232), 127677#(<= ULTIMATE.start_main_~i~4 238), 127676#(<= ULTIMATE.start_main_~i~4 236), 127679#(<= ULTIMATE.start_main_~i~4 242), 127678#(<= ULTIMATE.start_main_~i~4 240), 127681#(<= ULTIMATE.start_main_~i~4 246), 127680#(<= ULTIMATE.start_main_~i~4 244), 127683#(<= ULTIMATE.start_main_~i~4 250), 127682#(<= ULTIMATE.start_main_~i~4 248), 127685#(<= ULTIMATE.start_main_~i~4 254), 127684#(<= ULTIMATE.start_main_~i~4 252), 127687#(<= ULTIMATE.start_main_~i~4 258), 127686#(<= ULTIMATE.start_main_~i~4 256), 127689#(<= ULTIMATE.start_main_~i~4 262), 127688#(<= ULTIMATE.start_main_~i~4 260), 127691#(<= ULTIMATE.start_main_~i~4 266), 127690#(<= ULTIMATE.start_main_~i~4 264), 127693#(<= ULTIMATE.start_main_~i~4 270), 127692#(<= ULTIMATE.start_main_~i~4 268), 127695#(<= ULTIMATE.start_main_~i~4 274), 127694#(<= ULTIMATE.start_main_~i~4 272), 127697#(<= ULTIMATE.start_main_~i~4 278), 127696#(<= ULTIMATE.start_main_~i~4 276), 127699#(<= ULTIMATE.start_main_~i~4 282), 127698#(<= ULTIMATE.start_main_~i~4 280), 127701#(<= ULTIMATE.start_main_~i~4 286), 127700#(<= ULTIMATE.start_main_~i~4 284), 127703#(<= ULTIMATE.start_main_~i~4 290), 127702#(<= ULTIMATE.start_main_~i~4 288), 127705#(<= ULTIMATE.start_main_~i~4 294), 127704#(<= ULTIMATE.start_main_~i~4 292), 127707#(<= ULTIMATE.start_main_~i~4 298), 127706#(<= ULTIMATE.start_main_~i~4 296), 127709#(<= ULTIMATE.start_main_~i~4 302), 127708#(<= ULTIMATE.start_main_~i~4 300), 127711#(<= ULTIMATE.start_main_~i~4 306), 127710#(<= ULTIMATE.start_main_~i~4 304), 127713#(<= ULTIMATE.start_main_~i~4 310), 127712#(<= ULTIMATE.start_main_~i~4 308), 127715#(<= ULTIMATE.start_main_~i~4 314), 127714#(<= ULTIMATE.start_main_~i~4 312), 127717#(<= ULTIMATE.start_main_~i~4 318), 127716#(<= ULTIMATE.start_main_~i~4 316), 127719#(<= ULTIMATE.start_main_~i~4 322), 127718#(<= ULTIMATE.start_main_~i~4 320), 127721#(<= ULTIMATE.start_main_~i~4 326), 127720#(<= ULTIMATE.start_main_~i~4 324), 127723#(<= ULTIMATE.start_main_~i~4 330), 127722#(<= ULTIMATE.start_main_~i~4 328)] [2018-07-23 13:46:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,510 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:46:14,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:46:14,512 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:46:14,513 INFO L87 Difference]: Start difference. First operand 335 states and 335 transitions. Second operand 168 states. [2018-07-23 13:46:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:15,388 INFO L93 Difference]: Finished difference Result 339 states and 339 transitions. [2018-07-23 13:46:15,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:46:15,388 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 334 [2018-07-23 13:46:15,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:15,389 INFO L225 Difference]: With dead ends: 339 [2018-07-23 13:46:15,389 INFO L226 Difference]: Without dead ends: 337 [2018-07-23 13:46:15,390 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:46:15,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-07-23 13:46:15,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-07-23 13:46:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-07-23 13:46:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 337 transitions. [2018-07-23 13:46:15,394 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 337 transitions. Word has length 334 [2018-07-23 13:46:15,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:15,395 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 337 transitions. [2018-07-23 13:46:15,395 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:46:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 337 transitions. [2018-07-23 13:46:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-07-23 13:46:15,396 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:15,396 INFO L357 BasicCegarLoop]: trace histogram [167, 166, 1, 1, 1] [2018-07-23 13:46:15,396 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:15,396 INFO L82 PathProgramCache]: Analyzing trace with hash 2038349027, now seen corresponding path program 166 times [2018-07-23 13:46:15,396 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:16,183 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:46:16,183 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,183 INFO L185 omatonBuilderFactory]: Interpolants [129077#false, 129076#true, 129079#(<= ULTIMATE.start_main_~i~4 2), 129078#(<= ULTIMATE.start_main_~i~4 0), 129081#(<= ULTIMATE.start_main_~i~4 6), 129080#(<= ULTIMATE.start_main_~i~4 4), 129083#(<= ULTIMATE.start_main_~i~4 10), 129082#(<= ULTIMATE.start_main_~i~4 8), 129085#(<= ULTIMATE.start_main_~i~4 14), 129084#(<= ULTIMATE.start_main_~i~4 12), 129087#(<= ULTIMATE.start_main_~i~4 18), 129086#(<= ULTIMATE.start_main_~i~4 16), 129089#(<= ULTIMATE.start_main_~i~4 22), 129088#(<= ULTIMATE.start_main_~i~4 20), 129091#(<= ULTIMATE.start_main_~i~4 26), 129090#(<= ULTIMATE.start_main_~i~4 24), 129093#(<= ULTIMATE.start_main_~i~4 30), 129092#(<= ULTIMATE.start_main_~i~4 28), 129095#(<= ULTIMATE.start_main_~i~4 34), 129094#(<= ULTIMATE.start_main_~i~4 32), 129097#(<= ULTIMATE.start_main_~i~4 38), 129096#(<= ULTIMATE.start_main_~i~4 36), 129099#(<= ULTIMATE.start_main_~i~4 42), 129098#(<= ULTIMATE.start_main_~i~4 40), 129101#(<= ULTIMATE.start_main_~i~4 46), 129100#(<= ULTIMATE.start_main_~i~4 44), 129103#(<= ULTIMATE.start_main_~i~4 50), 129102#(<= ULTIMATE.start_main_~i~4 48), 129105#(<= ULTIMATE.start_main_~i~4 54), 129104#(<= ULTIMATE.start_main_~i~4 52), 129107#(<= ULTIMATE.start_main_~i~4 58), 129106#(<= ULTIMATE.start_main_~i~4 56), 129109#(<= ULTIMATE.start_main_~i~4 62), 129108#(<= ULTIMATE.start_main_~i~4 60), 129111#(<= ULTIMATE.start_main_~i~4 66), 129110#(<= ULTIMATE.start_main_~i~4 64), 129113#(<= ULTIMATE.start_main_~i~4 70), 129112#(<= ULTIMATE.start_main_~i~4 68), 129115#(<= ULTIMATE.start_main_~i~4 74), 129114#(<= ULTIMATE.start_main_~i~4 72), 129117#(<= ULTIMATE.start_main_~i~4 78), 129116#(<= ULTIMATE.start_main_~i~4 76), 129119#(<= ULTIMATE.start_main_~i~4 82), 129118#(<= ULTIMATE.start_main_~i~4 80), 129121#(<= ULTIMATE.start_main_~i~4 86), 129120#(<= ULTIMATE.start_main_~i~4 84), 129123#(<= ULTIMATE.start_main_~i~4 90), 129122#(<= ULTIMATE.start_main_~i~4 88), 129125#(<= ULTIMATE.start_main_~i~4 94), 129124#(<= ULTIMATE.start_main_~i~4 92), 129127#(<= ULTIMATE.start_main_~i~4 98), 129126#(<= ULTIMATE.start_main_~i~4 96), 129129#(<= ULTIMATE.start_main_~i~4 102), 129128#(<= ULTIMATE.start_main_~i~4 100), 129131#(<= ULTIMATE.start_main_~i~4 106), 129130#(<= ULTIMATE.start_main_~i~4 104), 129133#(<= ULTIMATE.start_main_~i~4 110), 129132#(<= ULTIMATE.start_main_~i~4 108), 129135#(<= ULTIMATE.start_main_~i~4 114), 129134#(<= ULTIMATE.start_main_~i~4 112), 129137#(<= ULTIMATE.start_main_~i~4 118), 129136#(<= ULTIMATE.start_main_~i~4 116), 129139#(<= ULTIMATE.start_main_~i~4 122), 129138#(<= ULTIMATE.start_main_~i~4 120), 129141#(<= ULTIMATE.start_main_~i~4 126), 129140#(<= ULTIMATE.start_main_~i~4 124), 129143#(<= ULTIMATE.start_main_~i~4 130), 129142#(<= ULTIMATE.start_main_~i~4 128), 129145#(<= ULTIMATE.start_main_~i~4 134), 129144#(<= ULTIMATE.start_main_~i~4 132), 129147#(<= ULTIMATE.start_main_~i~4 138), 129146#(<= ULTIMATE.start_main_~i~4 136), 129149#(<= ULTIMATE.start_main_~i~4 142), 129148#(<= ULTIMATE.start_main_~i~4 140), 129151#(<= ULTIMATE.start_main_~i~4 146), 129150#(<= ULTIMATE.start_main_~i~4 144), 129153#(<= ULTIMATE.start_main_~i~4 150), 129152#(<= ULTIMATE.start_main_~i~4 148), 129155#(<= ULTIMATE.start_main_~i~4 154), 129154#(<= ULTIMATE.start_main_~i~4 152), 129157#(<= ULTIMATE.start_main_~i~4 158), 129156#(<= ULTIMATE.start_main_~i~4 156), 129159#(<= ULTIMATE.start_main_~i~4 162), 129158#(<= ULTIMATE.start_main_~i~4 160), 129161#(<= ULTIMATE.start_main_~i~4 166), 129160#(<= ULTIMATE.start_main_~i~4 164), 129163#(<= ULTIMATE.start_main_~i~4 170), 129162#(<= ULTIMATE.start_main_~i~4 168), 129165#(<= ULTIMATE.start_main_~i~4 174), 129164#(<= ULTIMATE.start_main_~i~4 172), 129167#(<= ULTIMATE.start_main_~i~4 178), 129166#(<= ULTIMATE.start_main_~i~4 176), 129169#(<= ULTIMATE.start_main_~i~4 182), 129168#(<= ULTIMATE.start_main_~i~4 180), 129171#(<= ULTIMATE.start_main_~i~4 186), 129170#(<= ULTIMATE.start_main_~i~4 184), 129173#(<= ULTIMATE.start_main_~i~4 190), 129172#(<= ULTIMATE.start_main_~i~4 188), 129175#(<= ULTIMATE.start_main_~i~4 194), 129174#(<= ULTIMATE.start_main_~i~4 192), 129177#(<= ULTIMATE.start_main_~i~4 198), 129176#(<= ULTIMATE.start_main_~i~4 196), 129179#(<= ULTIMATE.start_main_~i~4 202), 129178#(<= ULTIMATE.start_main_~i~4 200), 129181#(<= ULTIMATE.start_main_~i~4 206), 129180#(<= ULTIMATE.start_main_~i~4 204), 129183#(<= ULTIMATE.start_main_~i~4 210), 129182#(<= ULTIMATE.start_main_~i~4 208), 129185#(<= ULTIMATE.start_main_~i~4 214), 129184#(<= ULTIMATE.start_main_~i~4 212), 129187#(<= ULTIMATE.start_main_~i~4 218), 129186#(<= ULTIMATE.start_main_~i~4 216), 129189#(<= ULTIMATE.start_main_~i~4 222), 129188#(<= ULTIMATE.start_main_~i~4 220), 129191#(<= ULTIMATE.start_main_~i~4 226), 129190#(<= ULTIMATE.start_main_~i~4 224), 129193#(<= ULTIMATE.start_main_~i~4 230), 129192#(<= ULTIMATE.start_main_~i~4 228), 129195#(<= ULTIMATE.start_main_~i~4 234), 129194#(<= ULTIMATE.start_main_~i~4 232), 129197#(<= ULTIMATE.start_main_~i~4 238), 129196#(<= ULTIMATE.start_main_~i~4 236), 129199#(<= ULTIMATE.start_main_~i~4 242), 129198#(<= ULTIMATE.start_main_~i~4 240), 129201#(<= ULTIMATE.start_main_~i~4 246), 129200#(<= ULTIMATE.start_main_~i~4 244), 129203#(<= ULTIMATE.start_main_~i~4 250), 129202#(<= ULTIMATE.start_main_~i~4 248), 129205#(<= ULTIMATE.start_main_~i~4 254), 129204#(<= ULTIMATE.start_main_~i~4 252), 129207#(<= ULTIMATE.start_main_~i~4 258), 129206#(<= ULTIMATE.start_main_~i~4 256), 129209#(<= ULTIMATE.start_main_~i~4 262), 129208#(<= ULTIMATE.start_main_~i~4 260), 129211#(<= ULTIMATE.start_main_~i~4 266), 129210#(<= ULTIMATE.start_main_~i~4 264), 129213#(<= ULTIMATE.start_main_~i~4 270), 129212#(<= ULTIMATE.start_main_~i~4 268), 129215#(<= ULTIMATE.start_main_~i~4 274), 129214#(<= ULTIMATE.start_main_~i~4 272), 129217#(<= ULTIMATE.start_main_~i~4 278), 129216#(<= ULTIMATE.start_main_~i~4 276), 129219#(<= ULTIMATE.start_main_~i~4 282), 129218#(<= ULTIMATE.start_main_~i~4 280), 129221#(<= ULTIMATE.start_main_~i~4 286), 129220#(<= ULTIMATE.start_main_~i~4 284), 129223#(<= ULTIMATE.start_main_~i~4 290), 129222#(<= ULTIMATE.start_main_~i~4 288), 129225#(<= ULTIMATE.start_main_~i~4 294), 129224#(<= ULTIMATE.start_main_~i~4 292), 129227#(<= ULTIMATE.start_main_~i~4 298), 129226#(<= ULTIMATE.start_main_~i~4 296), 129229#(<= ULTIMATE.start_main_~i~4 302), 129228#(<= ULTIMATE.start_main_~i~4 300), 129231#(<= ULTIMATE.start_main_~i~4 306), 129230#(<= ULTIMATE.start_main_~i~4 304), 129233#(<= ULTIMATE.start_main_~i~4 310), 129232#(<= ULTIMATE.start_main_~i~4 308), 129235#(<= ULTIMATE.start_main_~i~4 314), 129234#(<= ULTIMATE.start_main_~i~4 312), 129237#(<= ULTIMATE.start_main_~i~4 318), 129236#(<= ULTIMATE.start_main_~i~4 316), 129239#(<= ULTIMATE.start_main_~i~4 322), 129238#(<= ULTIMATE.start_main_~i~4 320), 129241#(<= ULTIMATE.start_main_~i~4 326), 129240#(<= ULTIMATE.start_main_~i~4 324), 129243#(<= ULTIMATE.start_main_~i~4 330), 129242#(<= ULTIMATE.start_main_~i~4 328), 129244#(<= ULTIMATE.start_main_~i~4 332)] [2018-07-23 13:46:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,185 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:46:16,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:46:16,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:46:16,188 INFO L87 Difference]: Start difference. First operand 337 states and 337 transitions. Second operand 169 states. [2018-07-23 13:46:17,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:17,175 INFO L93 Difference]: Finished difference Result 341 states and 341 transitions. [2018-07-23 13:46:17,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:46:17,176 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 336 [2018-07-23 13:46:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:17,176 INFO L225 Difference]: With dead ends: 341 [2018-07-23 13:46:17,176 INFO L226 Difference]: Without dead ends: 339 [2018-07-23 13:46:17,178 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:46:17,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-07-23 13:46:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2018-07-23 13:46:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-07-23 13:46:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 339 transitions. [2018-07-23 13:46:17,181 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 339 transitions. Word has length 336 [2018-07-23 13:46:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:17,181 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 339 transitions. [2018-07-23 13:46:17,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:46:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 339 transitions. [2018-07-23 13:46:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-07-23 13:46:17,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:17,182 INFO L357 BasicCegarLoop]: trace histogram [168, 167, 1, 1, 1] [2018-07-23 13:46:17,183 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:17,183 INFO L82 PathProgramCache]: Analyzing trace with hash 348380061, now seen corresponding path program 167 times [2018-07-23 13:46:17,183 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,969 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:17,969 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:46:17,969 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:17,969 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 13:46:17,970 INFO L185 omatonBuilderFactory]: Interpolants [130605#true, 130607#(<= ULTIMATE.start_main_~i~4 0), 130606#false, 130609#(<= ULTIMATE.start_main_~i~4 4), 130608#(<= ULTIMATE.start_main_~i~4 2), 130611#(<= ULTIMATE.start_main_~i~4 8), 130610#(<= ULTIMATE.start_main_~i~4 6), 130613#(<= ULTIMATE.start_main_~i~4 12), 130612#(<= ULTIMATE.start_main_~i~4 10), 130615#(<= ULTIMATE.start_main_~i~4 16), 130614#(<= ULTIMATE.start_main_~i~4 14), 130617#(<= ULTIMATE.start_main_~i~4 20), 130616#(<= ULTIMATE.start_main_~i~4 18), 130619#(<= ULTIMATE.start_main_~i~4 24), 130618#(<= ULTIMATE.start_main_~i~4 22), 130621#(<= ULTIMATE.start_main_~i~4 28), 130620#(<= ULTIMATE.start_main_~i~4 26), 130623#(<= ULTIMATE.start_main_~i~4 32), 130622#(<= ULTIMATE.start_main_~i~4 30), 130625#(<= ULTIMATE.start_main_~i~4 36), 130624#(<= ULTIMATE.start_main_~i~4 34), 130627#(<= ULTIMATE.start_main_~i~4 40), 130626#(<= ULTIMATE.start_main_~i~4 38), 130629#(<= ULTIMATE.start_main_~i~4 44), 130628#(<= ULTIMATE.start_main_~i~4 42), 130631#(<= ULTIMATE.start_main_~i~4 48), 130630#(<= ULTIMATE.start_main_~i~4 46), 130633#(<= ULTIMATE.start_main_~i~4 52), 130632#(<= ULTIMATE.start_main_~i~4 50), 130635#(<= ULTIMATE.start_main_~i~4 56), 130634#(<= ULTIMATE.start_main_~i~4 54), 130637#(<= ULTIMATE.start_main_~i~4 60), 130636#(<= ULTIMATE.start_main_~i~4 58), 130639#(<= ULTIMATE.start_main_~i~4 64), 130638#(<= ULTIMATE.start_main_~i~4 62), 130641#(<= ULTIMATE.start_main_~i~4 68), 130640#(<= ULTIMATE.start_main_~i~4 66), 130643#(<= ULTIMATE.start_main_~i~4 72), 130642#(<= ULTIMATE.start_main_~i~4 70), 130645#(<= ULTIMATE.start_main_~i~4 76), 130644#(<= ULTIMATE.start_main_~i~4 74), 130647#(<= ULTIMATE.start_main_~i~4 80), 130646#(<= ULTIMATE.start_main_~i~4 78), 130649#(<= ULTIMATE.start_main_~i~4 84), 130648#(<= ULTIMATE.start_main_~i~4 82), 130651#(<= ULTIMATE.start_main_~i~4 88), 130650#(<= ULTIMATE.start_main_~i~4 86), 130653#(<= ULTIMATE.start_main_~i~4 92), 130652#(<= ULTIMATE.start_main_~i~4 90), 130655#(<= ULTIMATE.start_main_~i~4 96), 130654#(<= ULTIMATE.start_main_~i~4 94), 130657#(<= ULTIMATE.start_main_~i~4 100), 130656#(<= ULTIMATE.start_main_~i~4 98), 130659#(<= ULTIMATE.start_main_~i~4 104), 130658#(<= ULTIMATE.start_main_~i~4 102), 130661#(<= ULTIMATE.start_main_~i~4 108), 130660#(<= ULTIMATE.start_main_~i~4 106), 130663#(<= ULTIMATE.start_main_~i~4 112), 130662#(<= ULTIMATE.start_main_~i~4 110), 130665#(<= ULTIMATE.start_main_~i~4 116), 130664#(<= ULTIMATE.start_main_~i~4 114), 130667#(<= ULTIMATE.start_main_~i~4 120), 130666#(<= ULTIMATE.start_main_~i~4 118), 130669#(<= ULTIMATE.start_main_~i~4 124), 130668#(<= ULTIMATE.start_main_~i~4 122), 130671#(<= ULTIMATE.start_main_~i~4 128), 130670#(<= ULTIMATE.start_main_~i~4 126), 130673#(<= ULTIMATE.start_main_~i~4 132), 130672#(<= ULTIMATE.start_main_~i~4 130), 130675#(<= ULTIMATE.start_main_~i~4 136), 130674#(<= ULTIMATE.start_main_~i~4 134), 130677#(<= ULTIMATE.start_main_~i~4 140), 130676#(<= ULTIMATE.start_main_~i~4 138), 130679#(<= ULTIMATE.start_main_~i~4 144), 130678#(<= ULTIMATE.start_main_~i~4 142), 130681#(<= ULTIMATE.start_main_~i~4 148), 130680#(<= ULTIMATE.start_main_~i~4 146), 130683#(<= ULTIMATE.start_main_~i~4 152), 130682#(<= ULTIMATE.start_main_~i~4 150), 130685#(<= ULTIMATE.start_main_~i~4 156), 130684#(<= ULTIMATE.start_main_~i~4 154), 130687#(<= ULTIMATE.start_main_~i~4 160), 130686#(<= ULTIMATE.start_main_~i~4 158), 130689#(<= ULTIMATE.start_main_~i~4 164), 130688#(<= ULTIMATE.start_main_~i~4 162), 130691#(<= ULTIMATE.start_main_~i~4 168), 130690#(<= ULTIMATE.start_main_~i~4 166), 130693#(<= ULTIMATE.start_main_~i~4 172), 130692#(<= ULTIMATE.start_main_~i~4 170), 130695#(<= ULTIMATE.start_main_~i~4 176), 130694#(<= ULTIMATE.start_main_~i~4 174), 130697#(<= ULTIMATE.start_main_~i~4 180), 130696#(<= ULTIMATE.start_main_~i~4 178), 130699#(<= ULTIMATE.start_main_~i~4 184), 130698#(<= ULTIMATE.start_main_~i~4 182), 130701#(<= ULTIMATE.start_main_~i~4 188), 130700#(<= ULTIMATE.start_main_~i~4 186), 130703#(<= ULTIMATE.start_main_~i~4 192), 130702#(<= ULTIMATE.start_main_~i~4 190), 130705#(<= ULTIMATE.start_main_~i~4 196), 130704#(<= ULTIMATE.start_main_~i~4 194), 130707#(<= ULTIMATE.start_main_~i~4 200), 130706#(<= ULTIMATE.start_main_~i~4 198), 130709#(<= ULTIMATE.start_main_~i~4 204), 130708#(<= ULTIMATE.start_main_~i~4 202), 130711#(<= ULTIMATE.start_main_~i~4 208), 130710#(<= ULTIMATE.start_main_~i~4 206), 130713#(<= ULTIMATE.start_main_~i~4 212), 130712#(<= ULTIMATE.start_main_~i~4 210), 130715#(<= ULTIMATE.start_main_~i~4 216), 130714#(<= ULTIMATE.start_main_~i~4 214), 130717#(<= ULTIMATE.start_main_~i~4 220), 130716#(<= ULTIMATE.start_main_~i~4 218), 130719#(<= ULTIMATE.start_main_~i~4 224), 130718#(<= ULTIMATE.start_main_~i~4 222), 130721#(<= ULTIMATE.start_main_~i~4 228), 130720#(<= ULTIMATE.start_main_~i~4 226), 130723#(<= ULTIMATE.start_main_~i~4 232), 130722#(<= ULTIMATE.start_main_~i~4 230), 130725#(<= ULTIMATE.start_main_~i~4 236), 130724#(<= ULTIMATE.start_main_~i~4 234), 130727#(<= ULTIMATE.start_main_~i~4 240), 130726#(<= ULTIMATE.start_main_~i~4 238), 130729#(<= ULTIMATE.start_main_~i~4 244), 130728#(<= ULTIMATE.start_main_~i~4 242), 130731#(<= ULTIMATE.start_main_~i~4 248), 130730#(<= ULTIMATE.start_main_~i~4 246), 130733#(<= ULTIMATE.start_main_~i~4 252), 130732#(<= ULTIMATE.start_main_~i~4 250), 130735#(<= ULTIMATE.start_main_~i~4 256), 130734#(<= ULTIMATE.start_main_~i~4 254), 130737#(<= ULTIMATE.start_main_~i~4 260), 130736#(<= ULTIMATE.start_main_~i~4 258), 130739#(<= ULTIMATE.start_main_~i~4 264), 130738#(<= ULTIMATE.start_main_~i~4 262), 130741#(<= ULTIMATE.start_main_~i~4 268), 130740#(<= ULTIMATE.start_main_~i~4 266), 130743#(<= ULTIMATE.start_main_~i~4 272), 130742#(<= ULTIMATE.start_main_~i~4 270), 130745#(<= ULTIMATE.start_main_~i~4 276), 130744#(<= ULTIMATE.start_main_~i~4 274), 130747#(<= ULTIMATE.start_main_~i~4 280), 130746#(<= ULTIMATE.start_main_~i~4 278), 130749#(<= ULTIMATE.start_main_~i~4 284), 130748#(<= ULTIMATE.start_main_~i~4 282), 130751#(<= ULTIMATE.start_main_~i~4 288), 130750#(<= ULTIMATE.start_main_~i~4 286), 130753#(<= ULTIMATE.start_main_~i~4 292), 130752#(<= ULTIMATE.start_main_~i~4 290), 130755#(<= ULTIMATE.start_main_~i~4 296), 130754#(<= ULTIMATE.start_main_~i~4 294), 130757#(<= ULTIMATE.start_main_~i~4 300), 130756#(<= ULTIMATE.start_main_~i~4 298), 130759#(<= ULTIMATE.start_main_~i~4 304), 130758#(<= ULTIMATE.start_main_~i~4 302), 130761#(<= ULTIMATE.start_main_~i~4 308), 130760#(<= ULTIMATE.start_main_~i~4 306), 130763#(<= ULTIMATE.start_main_~i~4 312), 130762#(<= ULTIMATE.start_main_~i~4 310), 130765#(<= ULTIMATE.start_main_~i~4 316), 130764#(<= ULTIMATE.start_main_~i~4 314), 130767#(<= ULTIMATE.start_main_~i~4 320), 130766#(<= ULTIMATE.start_main_~i~4 318), 130769#(<= ULTIMATE.start_main_~i~4 324), 130768#(<= ULTIMATE.start_main_~i~4 322), 130771#(<= ULTIMATE.start_main_~i~4 328), 130770#(<= ULTIMATE.start_main_~i~4 326), 130773#(<= ULTIMATE.start_main_~i~4 332), 130772#(<= ULTIMATE.start_main_~i~4 330), 130774#(<= ULTIMATE.start_main_~i~4 334)] [2018-07-23 13:46:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,971 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:46:17,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:46:17,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:46:17,974 INFO L87 Difference]: Start difference. First operand 339 states and 339 transitions. Second operand 170 states. [2018-07-23 13:46:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:19,033 INFO L93 Difference]: Finished difference Result 343 states and 343 transitions. [2018-07-23 13:46:19,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:46:19,033 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 338 [2018-07-23 13:46:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:19,033 INFO L225 Difference]: With dead ends: 343 [2018-07-23 13:46:19,033 INFO L226 Difference]: Without dead ends: 341 [2018-07-23 13:46:19,035 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:46:19,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-07-23 13:46:19,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2018-07-23 13:46:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-07-23 13:46:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 341 transitions. [2018-07-23 13:46:19,038 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 341 transitions. Word has length 338 [2018-07-23 13:46:19,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:19,038 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 341 transitions. [2018-07-23 13:46:19,038 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:46:19,038 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 341 transitions. [2018-07-23 13:46:19,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-23 13:46:19,039 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:19,039 INFO L357 BasicCegarLoop]: trace histogram [169, 168, 1, 1, 1] [2018-07-23 13:46:19,039 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:19,039 INFO L82 PathProgramCache]: Analyzing trace with hash -214158377, now seen corresponding path program 168 times [2018-07-23 13:46:19,040 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,828 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:19,828 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:46:19,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,829 INFO L185 omatonBuilderFactory]: Interpolants [132143#true, 132146#(<= ULTIMATE.start_main_~i~4 2), 132147#(<= ULTIMATE.start_main_~i~4 4), 132144#false, 132145#(<= ULTIMATE.start_main_~i~4 0), 132150#(<= ULTIMATE.start_main_~i~4 10), 132151#(<= ULTIMATE.start_main_~i~4 12), 132148#(<= ULTIMATE.start_main_~i~4 6), 132149#(<= ULTIMATE.start_main_~i~4 8), 132154#(<= ULTIMATE.start_main_~i~4 18), 132155#(<= ULTIMATE.start_main_~i~4 20), 132152#(<= ULTIMATE.start_main_~i~4 14), 132153#(<= ULTIMATE.start_main_~i~4 16), 132158#(<= ULTIMATE.start_main_~i~4 26), 132159#(<= ULTIMATE.start_main_~i~4 28), 132156#(<= ULTIMATE.start_main_~i~4 22), 132157#(<= ULTIMATE.start_main_~i~4 24), 132162#(<= ULTIMATE.start_main_~i~4 34), 132163#(<= ULTIMATE.start_main_~i~4 36), 132160#(<= ULTIMATE.start_main_~i~4 30), 132161#(<= ULTIMATE.start_main_~i~4 32), 132166#(<= ULTIMATE.start_main_~i~4 42), 132167#(<= ULTIMATE.start_main_~i~4 44), 132164#(<= ULTIMATE.start_main_~i~4 38), 132165#(<= ULTIMATE.start_main_~i~4 40), 132170#(<= ULTIMATE.start_main_~i~4 50), 132171#(<= ULTIMATE.start_main_~i~4 52), 132168#(<= ULTIMATE.start_main_~i~4 46), 132169#(<= ULTIMATE.start_main_~i~4 48), 132174#(<= ULTIMATE.start_main_~i~4 58), 132175#(<= ULTIMATE.start_main_~i~4 60), 132172#(<= ULTIMATE.start_main_~i~4 54), 132173#(<= ULTIMATE.start_main_~i~4 56), 132178#(<= ULTIMATE.start_main_~i~4 66), 132179#(<= ULTIMATE.start_main_~i~4 68), 132176#(<= ULTIMATE.start_main_~i~4 62), 132177#(<= ULTIMATE.start_main_~i~4 64), 132182#(<= ULTIMATE.start_main_~i~4 74), 132183#(<= ULTIMATE.start_main_~i~4 76), 132180#(<= ULTIMATE.start_main_~i~4 70), 132181#(<= ULTIMATE.start_main_~i~4 72), 132186#(<= ULTIMATE.start_main_~i~4 82), 132187#(<= ULTIMATE.start_main_~i~4 84), 132184#(<= ULTIMATE.start_main_~i~4 78), 132185#(<= ULTIMATE.start_main_~i~4 80), 132190#(<= ULTIMATE.start_main_~i~4 90), 132191#(<= ULTIMATE.start_main_~i~4 92), 132188#(<= ULTIMATE.start_main_~i~4 86), 132189#(<= ULTIMATE.start_main_~i~4 88), 132194#(<= ULTIMATE.start_main_~i~4 98), 132195#(<= ULTIMATE.start_main_~i~4 100), 132192#(<= ULTIMATE.start_main_~i~4 94), 132193#(<= ULTIMATE.start_main_~i~4 96), 132198#(<= ULTIMATE.start_main_~i~4 106), 132199#(<= ULTIMATE.start_main_~i~4 108), 132196#(<= ULTIMATE.start_main_~i~4 102), 132197#(<= ULTIMATE.start_main_~i~4 104), 132202#(<= ULTIMATE.start_main_~i~4 114), 132203#(<= ULTIMATE.start_main_~i~4 116), 132200#(<= ULTIMATE.start_main_~i~4 110), 132201#(<= ULTIMATE.start_main_~i~4 112), 132206#(<= ULTIMATE.start_main_~i~4 122), 132207#(<= ULTIMATE.start_main_~i~4 124), 132204#(<= ULTIMATE.start_main_~i~4 118), 132205#(<= ULTIMATE.start_main_~i~4 120), 132210#(<= ULTIMATE.start_main_~i~4 130), 132211#(<= ULTIMATE.start_main_~i~4 132), 132208#(<= ULTIMATE.start_main_~i~4 126), 132209#(<= ULTIMATE.start_main_~i~4 128), 132214#(<= ULTIMATE.start_main_~i~4 138), 132215#(<= ULTIMATE.start_main_~i~4 140), 132212#(<= ULTIMATE.start_main_~i~4 134), 132213#(<= ULTIMATE.start_main_~i~4 136), 132218#(<= ULTIMATE.start_main_~i~4 146), 132219#(<= ULTIMATE.start_main_~i~4 148), 132216#(<= ULTIMATE.start_main_~i~4 142), 132217#(<= ULTIMATE.start_main_~i~4 144), 132222#(<= ULTIMATE.start_main_~i~4 154), 132223#(<= ULTIMATE.start_main_~i~4 156), 132220#(<= ULTIMATE.start_main_~i~4 150), 132221#(<= ULTIMATE.start_main_~i~4 152), 132226#(<= ULTIMATE.start_main_~i~4 162), 132227#(<= ULTIMATE.start_main_~i~4 164), 132224#(<= ULTIMATE.start_main_~i~4 158), 132225#(<= ULTIMATE.start_main_~i~4 160), 132230#(<= ULTIMATE.start_main_~i~4 170), 132231#(<= ULTIMATE.start_main_~i~4 172), 132228#(<= ULTIMATE.start_main_~i~4 166), 132229#(<= ULTIMATE.start_main_~i~4 168), 132234#(<= ULTIMATE.start_main_~i~4 178), 132235#(<= ULTIMATE.start_main_~i~4 180), 132232#(<= ULTIMATE.start_main_~i~4 174), 132233#(<= ULTIMATE.start_main_~i~4 176), 132238#(<= ULTIMATE.start_main_~i~4 186), 132239#(<= ULTIMATE.start_main_~i~4 188), 132236#(<= ULTIMATE.start_main_~i~4 182), 132237#(<= ULTIMATE.start_main_~i~4 184), 132242#(<= ULTIMATE.start_main_~i~4 194), 132243#(<= ULTIMATE.start_main_~i~4 196), 132240#(<= ULTIMATE.start_main_~i~4 190), 132241#(<= ULTIMATE.start_main_~i~4 192), 132246#(<= ULTIMATE.start_main_~i~4 202), 132247#(<= ULTIMATE.start_main_~i~4 204), 132244#(<= ULTIMATE.start_main_~i~4 198), 132245#(<= ULTIMATE.start_main_~i~4 200), 132250#(<= ULTIMATE.start_main_~i~4 210), 132251#(<= ULTIMATE.start_main_~i~4 212), 132248#(<= ULTIMATE.start_main_~i~4 206), 132249#(<= ULTIMATE.start_main_~i~4 208), 132254#(<= ULTIMATE.start_main_~i~4 218), 132255#(<= ULTIMATE.start_main_~i~4 220), 132252#(<= ULTIMATE.start_main_~i~4 214), 132253#(<= ULTIMATE.start_main_~i~4 216), 132258#(<= ULTIMATE.start_main_~i~4 226), 132259#(<= ULTIMATE.start_main_~i~4 228), 132256#(<= ULTIMATE.start_main_~i~4 222), 132257#(<= ULTIMATE.start_main_~i~4 224), 132262#(<= ULTIMATE.start_main_~i~4 234), 132263#(<= ULTIMATE.start_main_~i~4 236), 132260#(<= ULTIMATE.start_main_~i~4 230), 132261#(<= ULTIMATE.start_main_~i~4 232), 132266#(<= ULTIMATE.start_main_~i~4 242), 132267#(<= ULTIMATE.start_main_~i~4 244), 132264#(<= ULTIMATE.start_main_~i~4 238), 132265#(<= ULTIMATE.start_main_~i~4 240), 132270#(<= ULTIMATE.start_main_~i~4 250), 132271#(<= ULTIMATE.start_main_~i~4 252), 132268#(<= ULTIMATE.start_main_~i~4 246), 132269#(<= ULTIMATE.start_main_~i~4 248), 132274#(<= ULTIMATE.start_main_~i~4 258), 132275#(<= ULTIMATE.start_main_~i~4 260), 132272#(<= ULTIMATE.start_main_~i~4 254), 132273#(<= ULTIMATE.start_main_~i~4 256), 132278#(<= ULTIMATE.start_main_~i~4 266), 132279#(<= ULTIMATE.start_main_~i~4 268), 132276#(<= ULTIMATE.start_main_~i~4 262), 132277#(<= ULTIMATE.start_main_~i~4 264), 132282#(<= ULTIMATE.start_main_~i~4 274), 132283#(<= ULTIMATE.start_main_~i~4 276), 132280#(<= ULTIMATE.start_main_~i~4 270), 132281#(<= ULTIMATE.start_main_~i~4 272), 132286#(<= ULTIMATE.start_main_~i~4 282), 132287#(<= ULTIMATE.start_main_~i~4 284), 132284#(<= ULTIMATE.start_main_~i~4 278), 132285#(<= ULTIMATE.start_main_~i~4 280), 132290#(<= ULTIMATE.start_main_~i~4 290), 132291#(<= ULTIMATE.start_main_~i~4 292), 132288#(<= ULTIMATE.start_main_~i~4 286), 132289#(<= ULTIMATE.start_main_~i~4 288), 132294#(<= ULTIMATE.start_main_~i~4 298), 132295#(<= ULTIMATE.start_main_~i~4 300), 132292#(<= ULTIMATE.start_main_~i~4 294), 132293#(<= ULTIMATE.start_main_~i~4 296), 132298#(<= ULTIMATE.start_main_~i~4 306), 132299#(<= ULTIMATE.start_main_~i~4 308), 132296#(<= ULTIMATE.start_main_~i~4 302), 132297#(<= ULTIMATE.start_main_~i~4 304), 132302#(<= ULTIMATE.start_main_~i~4 314), 132303#(<= ULTIMATE.start_main_~i~4 316), 132300#(<= ULTIMATE.start_main_~i~4 310), 132301#(<= ULTIMATE.start_main_~i~4 312), 132306#(<= ULTIMATE.start_main_~i~4 322), 132307#(<= ULTIMATE.start_main_~i~4 324), 132304#(<= ULTIMATE.start_main_~i~4 318), 132305#(<= ULTIMATE.start_main_~i~4 320), 132310#(<= ULTIMATE.start_main_~i~4 330), 132311#(<= ULTIMATE.start_main_~i~4 332), 132308#(<= ULTIMATE.start_main_~i~4 326), 132309#(<= ULTIMATE.start_main_~i~4 328), 132312#(<= ULTIMATE.start_main_~i~4 334), 132313#(<= ULTIMATE.start_main_~i~4 336)] [2018-07-23 13:46:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,830 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:46:19,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:46:19,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:46:19,833 INFO L87 Difference]: Start difference. First operand 341 states and 341 transitions. Second operand 171 states. [2018-07-23 13:46:20,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:20,872 INFO L93 Difference]: Finished difference Result 345 states and 345 transitions. [2018-07-23 13:46:20,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:46:20,873 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 340 [2018-07-23 13:46:20,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:20,873 INFO L225 Difference]: With dead ends: 345 [2018-07-23 13:46:20,873 INFO L226 Difference]: Without dead ends: 343 [2018-07-23 13:46:20,875 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:46:20,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-07-23 13:46:20,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2018-07-23 13:46:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-07-23 13:46:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 343 transitions. [2018-07-23 13:46:20,878 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 343 transitions. Word has length 340 [2018-07-23 13:46:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:20,878 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 343 transitions. [2018-07-23 13:46:20,879 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:46:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 343 transitions. [2018-07-23 13:46:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-07-23 13:46:20,879 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:20,880 INFO L357 BasicCegarLoop]: trace histogram [170, 169, 1, 1, 1] [2018-07-23 13:46:20,880 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:20,880 INFO L82 PathProgramCache]: Analyzing trace with hash 352282001, now seen corresponding path program 169 times [2018-07-23 13:46:20,880 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,729 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:21,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:46:21,729 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:21,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,730 INFO L185 omatonBuilderFactory]: Interpolants [133690#true, 133691#false, 133694#(<= ULTIMATE.start_main_~i~4 4), 133695#(<= ULTIMATE.start_main_~i~4 6), 133692#(<= ULTIMATE.start_main_~i~4 0), 133693#(<= ULTIMATE.start_main_~i~4 2), 133698#(<= ULTIMATE.start_main_~i~4 12), 133699#(<= ULTIMATE.start_main_~i~4 14), 133696#(<= ULTIMATE.start_main_~i~4 8), 133697#(<= ULTIMATE.start_main_~i~4 10), 133702#(<= ULTIMATE.start_main_~i~4 20), 133703#(<= ULTIMATE.start_main_~i~4 22), 133700#(<= ULTIMATE.start_main_~i~4 16), 133701#(<= ULTIMATE.start_main_~i~4 18), 133706#(<= ULTIMATE.start_main_~i~4 28), 133707#(<= ULTIMATE.start_main_~i~4 30), 133704#(<= ULTIMATE.start_main_~i~4 24), 133705#(<= ULTIMATE.start_main_~i~4 26), 133710#(<= ULTIMATE.start_main_~i~4 36), 133711#(<= ULTIMATE.start_main_~i~4 38), 133708#(<= ULTIMATE.start_main_~i~4 32), 133709#(<= ULTIMATE.start_main_~i~4 34), 133714#(<= ULTIMATE.start_main_~i~4 44), 133715#(<= ULTIMATE.start_main_~i~4 46), 133712#(<= ULTIMATE.start_main_~i~4 40), 133713#(<= ULTIMATE.start_main_~i~4 42), 133718#(<= ULTIMATE.start_main_~i~4 52), 133719#(<= ULTIMATE.start_main_~i~4 54), 133716#(<= ULTIMATE.start_main_~i~4 48), 133717#(<= ULTIMATE.start_main_~i~4 50), 133722#(<= ULTIMATE.start_main_~i~4 60), 133723#(<= ULTIMATE.start_main_~i~4 62), 133720#(<= ULTIMATE.start_main_~i~4 56), 133721#(<= ULTIMATE.start_main_~i~4 58), 133726#(<= ULTIMATE.start_main_~i~4 68), 133727#(<= ULTIMATE.start_main_~i~4 70), 133724#(<= ULTIMATE.start_main_~i~4 64), 133725#(<= ULTIMATE.start_main_~i~4 66), 133730#(<= ULTIMATE.start_main_~i~4 76), 133731#(<= ULTIMATE.start_main_~i~4 78), 133728#(<= ULTIMATE.start_main_~i~4 72), 133729#(<= ULTIMATE.start_main_~i~4 74), 133734#(<= ULTIMATE.start_main_~i~4 84), 133735#(<= ULTIMATE.start_main_~i~4 86), 133732#(<= ULTIMATE.start_main_~i~4 80), 133733#(<= ULTIMATE.start_main_~i~4 82), 133738#(<= ULTIMATE.start_main_~i~4 92), 133739#(<= ULTIMATE.start_main_~i~4 94), 133736#(<= ULTIMATE.start_main_~i~4 88), 133737#(<= ULTIMATE.start_main_~i~4 90), 133742#(<= ULTIMATE.start_main_~i~4 100), 133743#(<= ULTIMATE.start_main_~i~4 102), 133740#(<= ULTIMATE.start_main_~i~4 96), 133741#(<= ULTIMATE.start_main_~i~4 98), 133746#(<= ULTIMATE.start_main_~i~4 108), 133747#(<= ULTIMATE.start_main_~i~4 110), 133744#(<= ULTIMATE.start_main_~i~4 104), 133745#(<= ULTIMATE.start_main_~i~4 106), 133750#(<= ULTIMATE.start_main_~i~4 116), 133751#(<= ULTIMATE.start_main_~i~4 118), 133748#(<= ULTIMATE.start_main_~i~4 112), 133749#(<= ULTIMATE.start_main_~i~4 114), 133754#(<= ULTIMATE.start_main_~i~4 124), 133755#(<= ULTIMATE.start_main_~i~4 126), 133752#(<= ULTIMATE.start_main_~i~4 120), 133753#(<= ULTIMATE.start_main_~i~4 122), 133758#(<= ULTIMATE.start_main_~i~4 132), 133759#(<= ULTIMATE.start_main_~i~4 134), 133756#(<= ULTIMATE.start_main_~i~4 128), 133757#(<= ULTIMATE.start_main_~i~4 130), 133762#(<= ULTIMATE.start_main_~i~4 140), 133763#(<= ULTIMATE.start_main_~i~4 142), 133760#(<= ULTIMATE.start_main_~i~4 136), 133761#(<= ULTIMATE.start_main_~i~4 138), 133766#(<= ULTIMATE.start_main_~i~4 148), 133767#(<= ULTIMATE.start_main_~i~4 150), 133764#(<= ULTIMATE.start_main_~i~4 144), 133765#(<= ULTIMATE.start_main_~i~4 146), 133770#(<= ULTIMATE.start_main_~i~4 156), 133771#(<= ULTIMATE.start_main_~i~4 158), 133768#(<= ULTIMATE.start_main_~i~4 152), 133769#(<= ULTIMATE.start_main_~i~4 154), 133774#(<= ULTIMATE.start_main_~i~4 164), 133775#(<= ULTIMATE.start_main_~i~4 166), 133772#(<= ULTIMATE.start_main_~i~4 160), 133773#(<= ULTIMATE.start_main_~i~4 162), 133778#(<= ULTIMATE.start_main_~i~4 172), 133779#(<= ULTIMATE.start_main_~i~4 174), 133776#(<= ULTIMATE.start_main_~i~4 168), 133777#(<= ULTIMATE.start_main_~i~4 170), 133782#(<= ULTIMATE.start_main_~i~4 180), 133783#(<= ULTIMATE.start_main_~i~4 182), 133780#(<= ULTIMATE.start_main_~i~4 176), 133781#(<= ULTIMATE.start_main_~i~4 178), 133786#(<= ULTIMATE.start_main_~i~4 188), 133787#(<= ULTIMATE.start_main_~i~4 190), 133784#(<= ULTIMATE.start_main_~i~4 184), 133785#(<= ULTIMATE.start_main_~i~4 186), 133790#(<= ULTIMATE.start_main_~i~4 196), 133791#(<= ULTIMATE.start_main_~i~4 198), 133788#(<= ULTIMATE.start_main_~i~4 192), 133789#(<= ULTIMATE.start_main_~i~4 194), 133794#(<= ULTIMATE.start_main_~i~4 204), 133795#(<= ULTIMATE.start_main_~i~4 206), 133792#(<= ULTIMATE.start_main_~i~4 200), 133793#(<= ULTIMATE.start_main_~i~4 202), 133798#(<= ULTIMATE.start_main_~i~4 212), 133799#(<= ULTIMATE.start_main_~i~4 214), 133796#(<= ULTIMATE.start_main_~i~4 208), 133797#(<= ULTIMATE.start_main_~i~4 210), 133802#(<= ULTIMATE.start_main_~i~4 220), 133803#(<= ULTIMATE.start_main_~i~4 222), 133800#(<= ULTIMATE.start_main_~i~4 216), 133801#(<= ULTIMATE.start_main_~i~4 218), 133806#(<= ULTIMATE.start_main_~i~4 228), 133807#(<= ULTIMATE.start_main_~i~4 230), 133804#(<= ULTIMATE.start_main_~i~4 224), 133805#(<= ULTIMATE.start_main_~i~4 226), 133810#(<= ULTIMATE.start_main_~i~4 236), 133811#(<= ULTIMATE.start_main_~i~4 238), 133808#(<= ULTIMATE.start_main_~i~4 232), 133809#(<= ULTIMATE.start_main_~i~4 234), 133814#(<= ULTIMATE.start_main_~i~4 244), 133815#(<= ULTIMATE.start_main_~i~4 246), 133812#(<= ULTIMATE.start_main_~i~4 240), 133813#(<= ULTIMATE.start_main_~i~4 242), 133818#(<= ULTIMATE.start_main_~i~4 252), 133819#(<= ULTIMATE.start_main_~i~4 254), 133816#(<= ULTIMATE.start_main_~i~4 248), 133817#(<= ULTIMATE.start_main_~i~4 250), 133822#(<= ULTIMATE.start_main_~i~4 260), 133823#(<= ULTIMATE.start_main_~i~4 262), 133820#(<= ULTIMATE.start_main_~i~4 256), 133821#(<= ULTIMATE.start_main_~i~4 258), 133826#(<= ULTIMATE.start_main_~i~4 268), 133827#(<= ULTIMATE.start_main_~i~4 270), 133824#(<= ULTIMATE.start_main_~i~4 264), 133825#(<= ULTIMATE.start_main_~i~4 266), 133830#(<= ULTIMATE.start_main_~i~4 276), 133831#(<= ULTIMATE.start_main_~i~4 278), 133828#(<= ULTIMATE.start_main_~i~4 272), 133829#(<= ULTIMATE.start_main_~i~4 274), 133834#(<= ULTIMATE.start_main_~i~4 284), 133835#(<= ULTIMATE.start_main_~i~4 286), 133832#(<= ULTIMATE.start_main_~i~4 280), 133833#(<= ULTIMATE.start_main_~i~4 282), 133838#(<= ULTIMATE.start_main_~i~4 292), 133839#(<= ULTIMATE.start_main_~i~4 294), 133836#(<= ULTIMATE.start_main_~i~4 288), 133837#(<= ULTIMATE.start_main_~i~4 290), 133842#(<= ULTIMATE.start_main_~i~4 300), 133843#(<= ULTIMATE.start_main_~i~4 302), 133840#(<= ULTIMATE.start_main_~i~4 296), 133841#(<= ULTIMATE.start_main_~i~4 298), 133846#(<= ULTIMATE.start_main_~i~4 308), 133847#(<= ULTIMATE.start_main_~i~4 310), 133844#(<= ULTIMATE.start_main_~i~4 304), 133845#(<= ULTIMATE.start_main_~i~4 306), 133850#(<= ULTIMATE.start_main_~i~4 316), 133851#(<= ULTIMATE.start_main_~i~4 318), 133848#(<= ULTIMATE.start_main_~i~4 312), 133849#(<= ULTIMATE.start_main_~i~4 314), 133854#(<= ULTIMATE.start_main_~i~4 324), 133855#(<= ULTIMATE.start_main_~i~4 326), 133852#(<= ULTIMATE.start_main_~i~4 320), 133853#(<= ULTIMATE.start_main_~i~4 322), 133858#(<= ULTIMATE.start_main_~i~4 332), 133859#(<= ULTIMATE.start_main_~i~4 334), 133856#(<= ULTIMATE.start_main_~i~4 328), 133857#(<= ULTIMATE.start_main_~i~4 330), 133860#(<= ULTIMATE.start_main_~i~4 336), 133861#(<= ULTIMATE.start_main_~i~4 338)] [2018-07-23 13:46:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,732 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:46:21,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:46:21,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:46:21,736 INFO L87 Difference]: Start difference. First operand 343 states and 343 transitions. Second operand 172 states. [2018-07-23 13:46:22,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:22,679 INFO L93 Difference]: Finished difference Result 347 states and 347 transitions. [2018-07-23 13:46:22,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:46:22,679 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 342 [2018-07-23 13:46:22,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:22,679 INFO L225 Difference]: With dead ends: 347 [2018-07-23 13:46:22,679 INFO L226 Difference]: Without dead ends: 345 [2018-07-23 13:46:22,680 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:46:22,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-07-23 13:46:22,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-07-23 13:46:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-07-23 13:46:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 345 transitions. [2018-07-23 13:46:22,683 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 345 transitions. Word has length 342 [2018-07-23 13:46:22,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:22,683 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 345 transitions. [2018-07-23 13:46:22,683 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:46:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 345 transitions. [2018-07-23 13:46:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-07-23 13:46:22,684 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:22,684 INFO L357 BasicCegarLoop]: trace histogram [171, 170, 1, 1, 1] [2018-07-23 13:46:22,684 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:22,685 INFO L82 PathProgramCache]: Analyzing trace with hash -759361333, now seen corresponding path program 170 times [2018-07-23 13:46:22,685 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 29070 backedges. 0 proven. 29070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,489 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:23,490 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:46:23,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,491 INFO L185 omatonBuilderFactory]: Interpolants [135246#true, 135247#false, 135250#(<= ULTIMATE.start_main_~i~4 4), 135251#(<= ULTIMATE.start_main_~i~4 6), 135248#(<= ULTIMATE.start_main_~i~4 0), 135249#(<= ULTIMATE.start_main_~i~4 2), 135254#(<= ULTIMATE.start_main_~i~4 12), 135255#(<= ULTIMATE.start_main_~i~4 14), 135252#(<= ULTIMATE.start_main_~i~4 8), 135253#(<= ULTIMATE.start_main_~i~4 10), 135258#(<= ULTIMATE.start_main_~i~4 20), 135259#(<= ULTIMATE.start_main_~i~4 22), 135256#(<= ULTIMATE.start_main_~i~4 16), 135257#(<= ULTIMATE.start_main_~i~4 18), 135262#(<= ULTIMATE.start_main_~i~4 28), 135263#(<= ULTIMATE.start_main_~i~4 30), 135260#(<= ULTIMATE.start_main_~i~4 24), 135261#(<= ULTIMATE.start_main_~i~4 26), 135266#(<= ULTIMATE.start_main_~i~4 36), 135267#(<= ULTIMATE.start_main_~i~4 38), 135264#(<= ULTIMATE.start_main_~i~4 32), 135265#(<= ULTIMATE.start_main_~i~4 34), 135270#(<= ULTIMATE.start_main_~i~4 44), 135271#(<= ULTIMATE.start_main_~i~4 46), 135268#(<= ULTIMATE.start_main_~i~4 40), 135269#(<= ULTIMATE.start_main_~i~4 42), 135274#(<= ULTIMATE.start_main_~i~4 52), 135275#(<= ULTIMATE.start_main_~i~4 54), 135272#(<= ULTIMATE.start_main_~i~4 48), 135273#(<= ULTIMATE.start_main_~i~4 50), 135278#(<= ULTIMATE.start_main_~i~4 60), 135279#(<= ULTIMATE.start_main_~i~4 62), 135276#(<= ULTIMATE.start_main_~i~4 56), 135277#(<= ULTIMATE.start_main_~i~4 58), 135282#(<= ULTIMATE.start_main_~i~4 68), 135283#(<= ULTIMATE.start_main_~i~4 70), 135280#(<= ULTIMATE.start_main_~i~4 64), 135281#(<= ULTIMATE.start_main_~i~4 66), 135286#(<= ULTIMATE.start_main_~i~4 76), 135287#(<= ULTIMATE.start_main_~i~4 78), 135284#(<= ULTIMATE.start_main_~i~4 72), 135285#(<= ULTIMATE.start_main_~i~4 74), 135290#(<= ULTIMATE.start_main_~i~4 84), 135291#(<= ULTIMATE.start_main_~i~4 86), 135288#(<= ULTIMATE.start_main_~i~4 80), 135289#(<= ULTIMATE.start_main_~i~4 82), 135294#(<= ULTIMATE.start_main_~i~4 92), 135295#(<= ULTIMATE.start_main_~i~4 94), 135292#(<= ULTIMATE.start_main_~i~4 88), 135293#(<= ULTIMATE.start_main_~i~4 90), 135298#(<= ULTIMATE.start_main_~i~4 100), 135299#(<= ULTIMATE.start_main_~i~4 102), 135296#(<= ULTIMATE.start_main_~i~4 96), 135297#(<= ULTIMATE.start_main_~i~4 98), 135302#(<= ULTIMATE.start_main_~i~4 108), 135303#(<= ULTIMATE.start_main_~i~4 110), 135300#(<= ULTIMATE.start_main_~i~4 104), 135301#(<= ULTIMATE.start_main_~i~4 106), 135306#(<= ULTIMATE.start_main_~i~4 116), 135307#(<= ULTIMATE.start_main_~i~4 118), 135304#(<= ULTIMATE.start_main_~i~4 112), 135305#(<= ULTIMATE.start_main_~i~4 114), 135310#(<= ULTIMATE.start_main_~i~4 124), 135311#(<= ULTIMATE.start_main_~i~4 126), 135308#(<= ULTIMATE.start_main_~i~4 120), 135309#(<= ULTIMATE.start_main_~i~4 122), 135314#(<= ULTIMATE.start_main_~i~4 132), 135315#(<= ULTIMATE.start_main_~i~4 134), 135312#(<= ULTIMATE.start_main_~i~4 128), 135313#(<= ULTIMATE.start_main_~i~4 130), 135318#(<= ULTIMATE.start_main_~i~4 140), 135319#(<= ULTIMATE.start_main_~i~4 142), 135316#(<= ULTIMATE.start_main_~i~4 136), 135317#(<= ULTIMATE.start_main_~i~4 138), 135322#(<= ULTIMATE.start_main_~i~4 148), 135323#(<= ULTIMATE.start_main_~i~4 150), 135320#(<= ULTIMATE.start_main_~i~4 144), 135321#(<= ULTIMATE.start_main_~i~4 146), 135326#(<= ULTIMATE.start_main_~i~4 156), 135327#(<= ULTIMATE.start_main_~i~4 158), 135324#(<= ULTIMATE.start_main_~i~4 152), 135325#(<= ULTIMATE.start_main_~i~4 154), 135330#(<= ULTIMATE.start_main_~i~4 164), 135331#(<= ULTIMATE.start_main_~i~4 166), 135328#(<= ULTIMATE.start_main_~i~4 160), 135329#(<= ULTIMATE.start_main_~i~4 162), 135334#(<= ULTIMATE.start_main_~i~4 172), 135335#(<= ULTIMATE.start_main_~i~4 174), 135332#(<= ULTIMATE.start_main_~i~4 168), 135333#(<= ULTIMATE.start_main_~i~4 170), 135338#(<= ULTIMATE.start_main_~i~4 180), 135339#(<= ULTIMATE.start_main_~i~4 182), 135336#(<= ULTIMATE.start_main_~i~4 176), 135337#(<= ULTIMATE.start_main_~i~4 178), 135342#(<= ULTIMATE.start_main_~i~4 188), 135343#(<= ULTIMATE.start_main_~i~4 190), 135340#(<= ULTIMATE.start_main_~i~4 184), 135341#(<= ULTIMATE.start_main_~i~4 186), 135346#(<= ULTIMATE.start_main_~i~4 196), 135347#(<= ULTIMATE.start_main_~i~4 198), 135344#(<= ULTIMATE.start_main_~i~4 192), 135345#(<= ULTIMATE.start_main_~i~4 194), 135350#(<= ULTIMATE.start_main_~i~4 204), 135351#(<= ULTIMATE.start_main_~i~4 206), 135348#(<= ULTIMATE.start_main_~i~4 200), 135349#(<= ULTIMATE.start_main_~i~4 202), 135354#(<= ULTIMATE.start_main_~i~4 212), 135355#(<= ULTIMATE.start_main_~i~4 214), 135352#(<= ULTIMATE.start_main_~i~4 208), 135353#(<= ULTIMATE.start_main_~i~4 210), 135358#(<= ULTIMATE.start_main_~i~4 220), 135359#(<= ULTIMATE.start_main_~i~4 222), 135356#(<= ULTIMATE.start_main_~i~4 216), 135357#(<= ULTIMATE.start_main_~i~4 218), 135362#(<= ULTIMATE.start_main_~i~4 228), 135363#(<= ULTIMATE.start_main_~i~4 230), 135360#(<= ULTIMATE.start_main_~i~4 224), 135361#(<= ULTIMATE.start_main_~i~4 226), 135366#(<= ULTIMATE.start_main_~i~4 236), 135367#(<= ULTIMATE.start_main_~i~4 238), 135364#(<= ULTIMATE.start_main_~i~4 232), 135365#(<= ULTIMATE.start_main_~i~4 234), 135370#(<= ULTIMATE.start_main_~i~4 244), 135371#(<= ULTIMATE.start_main_~i~4 246), 135368#(<= ULTIMATE.start_main_~i~4 240), 135369#(<= ULTIMATE.start_main_~i~4 242), 135374#(<= ULTIMATE.start_main_~i~4 252), 135375#(<= ULTIMATE.start_main_~i~4 254), 135372#(<= ULTIMATE.start_main_~i~4 248), 135373#(<= ULTIMATE.start_main_~i~4 250), 135378#(<= ULTIMATE.start_main_~i~4 260), 135379#(<= ULTIMATE.start_main_~i~4 262), 135376#(<= ULTIMATE.start_main_~i~4 256), 135377#(<= ULTIMATE.start_main_~i~4 258), 135382#(<= ULTIMATE.start_main_~i~4 268), 135383#(<= ULTIMATE.start_main_~i~4 270), 135380#(<= ULTIMATE.start_main_~i~4 264), 135381#(<= ULTIMATE.start_main_~i~4 266), 135386#(<= ULTIMATE.start_main_~i~4 276), 135387#(<= ULTIMATE.start_main_~i~4 278), 135384#(<= ULTIMATE.start_main_~i~4 272), 135385#(<= ULTIMATE.start_main_~i~4 274), 135390#(<= ULTIMATE.start_main_~i~4 284), 135391#(<= ULTIMATE.start_main_~i~4 286), 135388#(<= ULTIMATE.start_main_~i~4 280), 135389#(<= ULTIMATE.start_main_~i~4 282), 135394#(<= ULTIMATE.start_main_~i~4 292), 135395#(<= ULTIMATE.start_main_~i~4 294), 135392#(<= ULTIMATE.start_main_~i~4 288), 135393#(<= ULTIMATE.start_main_~i~4 290), 135398#(<= ULTIMATE.start_main_~i~4 300), 135399#(<= ULTIMATE.start_main_~i~4 302), 135396#(<= ULTIMATE.start_main_~i~4 296), 135397#(<= ULTIMATE.start_main_~i~4 298), 135402#(<= ULTIMATE.start_main_~i~4 308), 135403#(<= ULTIMATE.start_main_~i~4 310), 135400#(<= ULTIMATE.start_main_~i~4 304), 135401#(<= ULTIMATE.start_main_~i~4 306), 135406#(<= ULTIMATE.start_main_~i~4 316), 135407#(<= ULTIMATE.start_main_~i~4 318), 135404#(<= ULTIMATE.start_main_~i~4 312), 135405#(<= ULTIMATE.start_main_~i~4 314), 135410#(<= ULTIMATE.start_main_~i~4 324), 135411#(<= ULTIMATE.start_main_~i~4 326), 135408#(<= ULTIMATE.start_main_~i~4 320), 135409#(<= ULTIMATE.start_main_~i~4 322), 135414#(<= ULTIMATE.start_main_~i~4 332), 135415#(<= ULTIMATE.start_main_~i~4 334), 135412#(<= ULTIMATE.start_main_~i~4 328), 135413#(<= ULTIMATE.start_main_~i~4 330), 135418#(<= ULTIMATE.start_main_~i~4 340), 135416#(<= ULTIMATE.start_main_~i~4 336), 135417#(<= ULTIMATE.start_main_~i~4 338)] [2018-07-23 13:46:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 29070 backedges. 0 proven. 29070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:46:23,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:46:23,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:46:23,497 INFO L87 Difference]: Start difference. First operand 345 states and 345 transitions. Second operand 173 states. [2018-07-23 13:46:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:24,546 INFO L93 Difference]: Finished difference Result 349 states and 349 transitions. [2018-07-23 13:46:24,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:46:24,547 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 344 [2018-07-23 13:46:24,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:24,548 INFO L225 Difference]: With dead ends: 349 [2018-07-23 13:46:24,548 INFO L226 Difference]: Without dead ends: 347 [2018-07-23 13:46:24,550 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:46:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-07-23 13:46:24,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2018-07-23 13:46:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-07-23 13:46:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 347 transitions. [2018-07-23 13:46:24,555 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 347 transitions. Word has length 344 [2018-07-23 13:46:24,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:24,555 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 347 transitions. [2018-07-23 13:46:24,555 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:46:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 347 transitions. [2018-07-23 13:46:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-07-23 13:46:24,556 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:24,556 INFO L357 BasicCegarLoop]: trace histogram [172, 171, 1, 1, 1] [2018-07-23 13:46:24,556 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:24,556 INFO L82 PathProgramCache]: Analyzing trace with hash 398251397, now seen corresponding path program 171 times [2018-07-23 13:46:24,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 29412 backedges. 0 proven. 29412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,397 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:25,397 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:46:25,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,398 INFO L185 omatonBuilderFactory]: Interpolants [136962#(<= ULTIMATE.start_main_~i~4 298), 136963#(<= ULTIMATE.start_main_~i~4 300), 136960#(<= ULTIMATE.start_main_~i~4 294), 136961#(<= ULTIMATE.start_main_~i~4 296), 136966#(<= ULTIMATE.start_main_~i~4 306), 136967#(<= ULTIMATE.start_main_~i~4 308), 136964#(<= ULTIMATE.start_main_~i~4 302), 136965#(<= ULTIMATE.start_main_~i~4 304), 136970#(<= ULTIMATE.start_main_~i~4 314), 136971#(<= ULTIMATE.start_main_~i~4 316), 136968#(<= ULTIMATE.start_main_~i~4 310), 136969#(<= ULTIMATE.start_main_~i~4 312), 136974#(<= ULTIMATE.start_main_~i~4 322), 136975#(<= ULTIMATE.start_main_~i~4 324), 136972#(<= ULTIMATE.start_main_~i~4 318), 136973#(<= ULTIMATE.start_main_~i~4 320), 136978#(<= ULTIMATE.start_main_~i~4 330), 136979#(<= ULTIMATE.start_main_~i~4 332), 136976#(<= ULTIMATE.start_main_~i~4 326), 136977#(<= ULTIMATE.start_main_~i~4 328), 136982#(<= ULTIMATE.start_main_~i~4 338), 136983#(<= ULTIMATE.start_main_~i~4 340), 136980#(<= ULTIMATE.start_main_~i~4 334), 136981#(<= ULTIMATE.start_main_~i~4 336), 136984#(<= ULTIMATE.start_main_~i~4 342), 136811#true, 136814#(<= ULTIMATE.start_main_~i~4 2), 136815#(<= ULTIMATE.start_main_~i~4 4), 136812#false, 136813#(<= ULTIMATE.start_main_~i~4 0), 136818#(<= ULTIMATE.start_main_~i~4 10), 136819#(<= ULTIMATE.start_main_~i~4 12), 136816#(<= ULTIMATE.start_main_~i~4 6), 136817#(<= ULTIMATE.start_main_~i~4 8), 136822#(<= ULTIMATE.start_main_~i~4 18), 136823#(<= ULTIMATE.start_main_~i~4 20), 136820#(<= ULTIMATE.start_main_~i~4 14), 136821#(<= ULTIMATE.start_main_~i~4 16), 136826#(<= ULTIMATE.start_main_~i~4 26), 136827#(<= ULTIMATE.start_main_~i~4 28), 136824#(<= ULTIMATE.start_main_~i~4 22), 136825#(<= ULTIMATE.start_main_~i~4 24), 136830#(<= ULTIMATE.start_main_~i~4 34), 136831#(<= ULTIMATE.start_main_~i~4 36), 136828#(<= ULTIMATE.start_main_~i~4 30), 136829#(<= ULTIMATE.start_main_~i~4 32), 136834#(<= ULTIMATE.start_main_~i~4 42), 136835#(<= ULTIMATE.start_main_~i~4 44), 136832#(<= ULTIMATE.start_main_~i~4 38), 136833#(<= ULTIMATE.start_main_~i~4 40), 136838#(<= ULTIMATE.start_main_~i~4 50), 136839#(<= ULTIMATE.start_main_~i~4 52), 136836#(<= ULTIMATE.start_main_~i~4 46), 136837#(<= ULTIMATE.start_main_~i~4 48), 136842#(<= ULTIMATE.start_main_~i~4 58), 136843#(<= ULTIMATE.start_main_~i~4 60), 136840#(<= ULTIMATE.start_main_~i~4 54), 136841#(<= ULTIMATE.start_main_~i~4 56), 136846#(<= ULTIMATE.start_main_~i~4 66), 136847#(<= ULTIMATE.start_main_~i~4 68), 136844#(<= ULTIMATE.start_main_~i~4 62), 136845#(<= ULTIMATE.start_main_~i~4 64), 136850#(<= ULTIMATE.start_main_~i~4 74), 136851#(<= ULTIMATE.start_main_~i~4 76), 136848#(<= ULTIMATE.start_main_~i~4 70), 136849#(<= ULTIMATE.start_main_~i~4 72), 136854#(<= ULTIMATE.start_main_~i~4 82), 136855#(<= ULTIMATE.start_main_~i~4 84), 136852#(<= ULTIMATE.start_main_~i~4 78), 136853#(<= ULTIMATE.start_main_~i~4 80), 136858#(<= ULTIMATE.start_main_~i~4 90), 136859#(<= ULTIMATE.start_main_~i~4 92), 136856#(<= ULTIMATE.start_main_~i~4 86), 136857#(<= ULTIMATE.start_main_~i~4 88), 136862#(<= ULTIMATE.start_main_~i~4 98), 136863#(<= ULTIMATE.start_main_~i~4 100), 136860#(<= ULTIMATE.start_main_~i~4 94), 136861#(<= ULTIMATE.start_main_~i~4 96), 136866#(<= ULTIMATE.start_main_~i~4 106), 136867#(<= ULTIMATE.start_main_~i~4 108), 136864#(<= ULTIMATE.start_main_~i~4 102), 136865#(<= ULTIMATE.start_main_~i~4 104), 136870#(<= ULTIMATE.start_main_~i~4 114), 136871#(<= ULTIMATE.start_main_~i~4 116), 136868#(<= ULTIMATE.start_main_~i~4 110), 136869#(<= ULTIMATE.start_main_~i~4 112), 136874#(<= ULTIMATE.start_main_~i~4 122), 136875#(<= ULTIMATE.start_main_~i~4 124), 136872#(<= ULTIMATE.start_main_~i~4 118), 136873#(<= ULTIMATE.start_main_~i~4 120), 136878#(<= ULTIMATE.start_main_~i~4 130), 136879#(<= ULTIMATE.start_main_~i~4 132), 136876#(<= ULTIMATE.start_main_~i~4 126), 136877#(<= ULTIMATE.start_main_~i~4 128), 136882#(<= ULTIMATE.start_main_~i~4 138), 136883#(<= ULTIMATE.start_main_~i~4 140), 136880#(<= ULTIMATE.start_main_~i~4 134), 136881#(<= ULTIMATE.start_main_~i~4 136), 136886#(<= ULTIMATE.start_main_~i~4 146), 136887#(<= ULTIMATE.start_main_~i~4 148), 136884#(<= ULTIMATE.start_main_~i~4 142), 136885#(<= ULTIMATE.start_main_~i~4 144), 136890#(<= ULTIMATE.start_main_~i~4 154), 136891#(<= ULTIMATE.start_main_~i~4 156), 136888#(<= ULTIMATE.start_main_~i~4 150), 136889#(<= ULTIMATE.start_main_~i~4 152), 136894#(<= ULTIMATE.start_main_~i~4 162), 136895#(<= ULTIMATE.start_main_~i~4 164), 136892#(<= ULTIMATE.start_main_~i~4 158), 136893#(<= ULTIMATE.start_main_~i~4 160), 136898#(<= ULTIMATE.start_main_~i~4 170), 136899#(<= ULTIMATE.start_main_~i~4 172), 136896#(<= ULTIMATE.start_main_~i~4 166), 136897#(<= ULTIMATE.start_main_~i~4 168), 136902#(<= ULTIMATE.start_main_~i~4 178), 136903#(<= ULTIMATE.start_main_~i~4 180), 136900#(<= ULTIMATE.start_main_~i~4 174), 136901#(<= ULTIMATE.start_main_~i~4 176), 136906#(<= ULTIMATE.start_main_~i~4 186), 136907#(<= ULTIMATE.start_main_~i~4 188), 136904#(<= ULTIMATE.start_main_~i~4 182), 136905#(<= ULTIMATE.start_main_~i~4 184), 136910#(<= ULTIMATE.start_main_~i~4 194), 136911#(<= ULTIMATE.start_main_~i~4 196), 136908#(<= ULTIMATE.start_main_~i~4 190), 136909#(<= ULTIMATE.start_main_~i~4 192), 136914#(<= ULTIMATE.start_main_~i~4 202), 136915#(<= ULTIMATE.start_main_~i~4 204), 136912#(<= ULTIMATE.start_main_~i~4 198), 136913#(<= ULTIMATE.start_main_~i~4 200), 136918#(<= ULTIMATE.start_main_~i~4 210), 136919#(<= ULTIMATE.start_main_~i~4 212), 136916#(<= ULTIMATE.start_main_~i~4 206), 136917#(<= ULTIMATE.start_main_~i~4 208), 136922#(<= ULTIMATE.start_main_~i~4 218), 136923#(<= ULTIMATE.start_main_~i~4 220), 136920#(<= ULTIMATE.start_main_~i~4 214), 136921#(<= ULTIMATE.start_main_~i~4 216), 136926#(<= ULTIMATE.start_main_~i~4 226), 136927#(<= ULTIMATE.start_main_~i~4 228), 136924#(<= ULTIMATE.start_main_~i~4 222), 136925#(<= ULTIMATE.start_main_~i~4 224), 136930#(<= ULTIMATE.start_main_~i~4 234), 136931#(<= ULTIMATE.start_main_~i~4 236), 136928#(<= ULTIMATE.start_main_~i~4 230), 136929#(<= ULTIMATE.start_main_~i~4 232), 136934#(<= ULTIMATE.start_main_~i~4 242), 136935#(<= ULTIMATE.start_main_~i~4 244), 136932#(<= ULTIMATE.start_main_~i~4 238), 136933#(<= ULTIMATE.start_main_~i~4 240), 136938#(<= ULTIMATE.start_main_~i~4 250), 136939#(<= ULTIMATE.start_main_~i~4 252), 136936#(<= ULTIMATE.start_main_~i~4 246), 136937#(<= ULTIMATE.start_main_~i~4 248), 136942#(<= ULTIMATE.start_main_~i~4 258), 136943#(<= ULTIMATE.start_main_~i~4 260), 136940#(<= ULTIMATE.start_main_~i~4 254), 136941#(<= ULTIMATE.start_main_~i~4 256), 136946#(<= ULTIMATE.start_main_~i~4 266), 136947#(<= ULTIMATE.start_main_~i~4 268), 136944#(<= ULTIMATE.start_main_~i~4 262), 136945#(<= ULTIMATE.start_main_~i~4 264), 136950#(<= ULTIMATE.start_main_~i~4 274), 136951#(<= ULTIMATE.start_main_~i~4 276), 136948#(<= ULTIMATE.start_main_~i~4 270), 136949#(<= ULTIMATE.start_main_~i~4 272), 136954#(<= ULTIMATE.start_main_~i~4 282), 136955#(<= ULTIMATE.start_main_~i~4 284), 136952#(<= ULTIMATE.start_main_~i~4 278), 136953#(<= ULTIMATE.start_main_~i~4 280), 136958#(<= ULTIMATE.start_main_~i~4 290), 136959#(<= ULTIMATE.start_main_~i~4 292), 136956#(<= ULTIMATE.start_main_~i~4 286), 136957#(<= ULTIMATE.start_main_~i~4 288)] [2018-07-23 13:46:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 29412 backedges. 0 proven. 29412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,400 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:46:25,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:46:25,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:46:25,403 INFO L87 Difference]: Start difference. First operand 347 states and 347 transitions. Second operand 174 states. [2018-07-23 13:46:26,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:26,134 INFO L93 Difference]: Finished difference Result 351 states and 351 transitions. [2018-07-23 13:46:26,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:46:26,134 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 346 [2018-07-23 13:46:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:26,135 INFO L225 Difference]: With dead ends: 351 [2018-07-23 13:46:26,135 INFO L226 Difference]: Without dead ends: 349 [2018-07-23 13:46:26,136 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:46:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-07-23 13:46:26,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2018-07-23 13:46:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-07-23 13:46:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 349 transitions. [2018-07-23 13:46:26,142 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 349 transitions. Word has length 346 [2018-07-23 13:46:26,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:26,143 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 349 transitions. [2018-07-23 13:46:26,143 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:46:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 349 transitions. [2018-07-23 13:46:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-07-23 13:46:26,144 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:26,144 INFO L357 BasicCegarLoop]: trace histogram [173, 172, 1, 1, 1] [2018-07-23 13:46:26,145 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:26,145 INFO L82 PathProgramCache]: Analyzing trace with hash 467555263, now seen corresponding path program 172 times [2018-07-23 13:46:26,145 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 29756 backedges. 0 proven. 29756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,113 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:27,113 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:46:27,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,114 INFO L185 omatonBuilderFactory]: Interpolants [138498#(<= ULTIMATE.start_main_~i~4 222), 138499#(<= ULTIMATE.start_main_~i~4 224), 138496#(<= ULTIMATE.start_main_~i~4 218), 138497#(<= ULTIMATE.start_main_~i~4 220), 138502#(<= ULTIMATE.start_main_~i~4 230), 138503#(<= ULTIMATE.start_main_~i~4 232), 138500#(<= ULTIMATE.start_main_~i~4 226), 138501#(<= ULTIMATE.start_main_~i~4 228), 138506#(<= ULTIMATE.start_main_~i~4 238), 138507#(<= ULTIMATE.start_main_~i~4 240), 138504#(<= ULTIMATE.start_main_~i~4 234), 138505#(<= ULTIMATE.start_main_~i~4 236), 138510#(<= ULTIMATE.start_main_~i~4 246), 138511#(<= ULTIMATE.start_main_~i~4 248), 138508#(<= ULTIMATE.start_main_~i~4 242), 138509#(<= ULTIMATE.start_main_~i~4 244), 138514#(<= ULTIMATE.start_main_~i~4 254), 138515#(<= ULTIMATE.start_main_~i~4 256), 138512#(<= ULTIMATE.start_main_~i~4 250), 138513#(<= ULTIMATE.start_main_~i~4 252), 138518#(<= ULTIMATE.start_main_~i~4 262), 138519#(<= ULTIMATE.start_main_~i~4 264), 138516#(<= ULTIMATE.start_main_~i~4 258), 138517#(<= ULTIMATE.start_main_~i~4 260), 138522#(<= ULTIMATE.start_main_~i~4 270), 138523#(<= ULTIMATE.start_main_~i~4 272), 138520#(<= ULTIMATE.start_main_~i~4 266), 138521#(<= ULTIMATE.start_main_~i~4 268), 138526#(<= ULTIMATE.start_main_~i~4 278), 138527#(<= ULTIMATE.start_main_~i~4 280), 138524#(<= ULTIMATE.start_main_~i~4 274), 138525#(<= ULTIMATE.start_main_~i~4 276), 138530#(<= ULTIMATE.start_main_~i~4 286), 138531#(<= ULTIMATE.start_main_~i~4 288), 138528#(<= ULTIMATE.start_main_~i~4 282), 138529#(<= ULTIMATE.start_main_~i~4 284), 138534#(<= ULTIMATE.start_main_~i~4 294), 138535#(<= ULTIMATE.start_main_~i~4 296), 138532#(<= ULTIMATE.start_main_~i~4 290), 138533#(<= ULTIMATE.start_main_~i~4 292), 138538#(<= ULTIMATE.start_main_~i~4 302), 138539#(<= ULTIMATE.start_main_~i~4 304), 138536#(<= ULTIMATE.start_main_~i~4 298), 138537#(<= ULTIMATE.start_main_~i~4 300), 138542#(<= ULTIMATE.start_main_~i~4 310), 138543#(<= ULTIMATE.start_main_~i~4 312), 138540#(<= ULTIMATE.start_main_~i~4 306), 138541#(<= ULTIMATE.start_main_~i~4 308), 138546#(<= ULTIMATE.start_main_~i~4 318), 138547#(<= ULTIMATE.start_main_~i~4 320), 138544#(<= ULTIMATE.start_main_~i~4 314), 138545#(<= ULTIMATE.start_main_~i~4 316), 138550#(<= ULTIMATE.start_main_~i~4 326), 138551#(<= ULTIMATE.start_main_~i~4 328), 138548#(<= ULTIMATE.start_main_~i~4 322), 138549#(<= ULTIMATE.start_main_~i~4 324), 138554#(<= ULTIMATE.start_main_~i~4 334), 138555#(<= ULTIMATE.start_main_~i~4 336), 138552#(<= ULTIMATE.start_main_~i~4 330), 138553#(<= ULTIMATE.start_main_~i~4 332), 138558#(<= ULTIMATE.start_main_~i~4 342), 138559#(<= ULTIMATE.start_main_~i~4 344), 138556#(<= ULTIMATE.start_main_~i~4 338), 138557#(<= ULTIMATE.start_main_~i~4 340), 138386#false, 138387#(<= ULTIMATE.start_main_~i~4 0), 138385#true, 138390#(<= ULTIMATE.start_main_~i~4 6), 138391#(<= ULTIMATE.start_main_~i~4 8), 138388#(<= ULTIMATE.start_main_~i~4 2), 138389#(<= ULTIMATE.start_main_~i~4 4), 138394#(<= ULTIMATE.start_main_~i~4 14), 138395#(<= ULTIMATE.start_main_~i~4 16), 138392#(<= ULTIMATE.start_main_~i~4 10), 138393#(<= ULTIMATE.start_main_~i~4 12), 138398#(<= ULTIMATE.start_main_~i~4 22), 138399#(<= ULTIMATE.start_main_~i~4 24), 138396#(<= ULTIMATE.start_main_~i~4 18), 138397#(<= ULTIMATE.start_main_~i~4 20), 138402#(<= ULTIMATE.start_main_~i~4 30), 138403#(<= ULTIMATE.start_main_~i~4 32), 138400#(<= ULTIMATE.start_main_~i~4 26), 138401#(<= ULTIMATE.start_main_~i~4 28), 138406#(<= ULTIMATE.start_main_~i~4 38), 138407#(<= ULTIMATE.start_main_~i~4 40), 138404#(<= ULTIMATE.start_main_~i~4 34), 138405#(<= ULTIMATE.start_main_~i~4 36), 138410#(<= ULTIMATE.start_main_~i~4 46), 138411#(<= ULTIMATE.start_main_~i~4 48), 138408#(<= ULTIMATE.start_main_~i~4 42), 138409#(<= ULTIMATE.start_main_~i~4 44), 138414#(<= ULTIMATE.start_main_~i~4 54), 138415#(<= ULTIMATE.start_main_~i~4 56), 138412#(<= ULTIMATE.start_main_~i~4 50), 138413#(<= ULTIMATE.start_main_~i~4 52), 138418#(<= ULTIMATE.start_main_~i~4 62), 138419#(<= ULTIMATE.start_main_~i~4 64), 138416#(<= ULTIMATE.start_main_~i~4 58), 138417#(<= ULTIMATE.start_main_~i~4 60), 138422#(<= ULTIMATE.start_main_~i~4 70), 138423#(<= ULTIMATE.start_main_~i~4 72), 138420#(<= ULTIMATE.start_main_~i~4 66), 138421#(<= ULTIMATE.start_main_~i~4 68), 138426#(<= ULTIMATE.start_main_~i~4 78), 138427#(<= ULTIMATE.start_main_~i~4 80), 138424#(<= ULTIMATE.start_main_~i~4 74), 138425#(<= ULTIMATE.start_main_~i~4 76), 138430#(<= ULTIMATE.start_main_~i~4 86), 138431#(<= ULTIMATE.start_main_~i~4 88), 138428#(<= ULTIMATE.start_main_~i~4 82), 138429#(<= ULTIMATE.start_main_~i~4 84), 138434#(<= ULTIMATE.start_main_~i~4 94), 138435#(<= ULTIMATE.start_main_~i~4 96), 138432#(<= ULTIMATE.start_main_~i~4 90), 138433#(<= ULTIMATE.start_main_~i~4 92), 138438#(<= ULTIMATE.start_main_~i~4 102), 138439#(<= ULTIMATE.start_main_~i~4 104), 138436#(<= ULTIMATE.start_main_~i~4 98), 138437#(<= ULTIMATE.start_main_~i~4 100), 138442#(<= ULTIMATE.start_main_~i~4 110), 138443#(<= ULTIMATE.start_main_~i~4 112), 138440#(<= ULTIMATE.start_main_~i~4 106), 138441#(<= ULTIMATE.start_main_~i~4 108), 138446#(<= ULTIMATE.start_main_~i~4 118), 138447#(<= ULTIMATE.start_main_~i~4 120), 138444#(<= ULTIMATE.start_main_~i~4 114), 138445#(<= ULTIMATE.start_main_~i~4 116), 138450#(<= ULTIMATE.start_main_~i~4 126), 138451#(<= ULTIMATE.start_main_~i~4 128), 138448#(<= ULTIMATE.start_main_~i~4 122), 138449#(<= ULTIMATE.start_main_~i~4 124), 138454#(<= ULTIMATE.start_main_~i~4 134), 138455#(<= ULTIMATE.start_main_~i~4 136), 138452#(<= ULTIMATE.start_main_~i~4 130), 138453#(<= ULTIMATE.start_main_~i~4 132), 138458#(<= ULTIMATE.start_main_~i~4 142), 138459#(<= ULTIMATE.start_main_~i~4 144), 138456#(<= ULTIMATE.start_main_~i~4 138), 138457#(<= ULTIMATE.start_main_~i~4 140), 138462#(<= ULTIMATE.start_main_~i~4 150), 138463#(<= ULTIMATE.start_main_~i~4 152), 138460#(<= ULTIMATE.start_main_~i~4 146), 138461#(<= ULTIMATE.start_main_~i~4 148), 138466#(<= ULTIMATE.start_main_~i~4 158), 138467#(<= ULTIMATE.start_main_~i~4 160), 138464#(<= ULTIMATE.start_main_~i~4 154), 138465#(<= ULTIMATE.start_main_~i~4 156), 138470#(<= ULTIMATE.start_main_~i~4 166), 138471#(<= ULTIMATE.start_main_~i~4 168), 138468#(<= ULTIMATE.start_main_~i~4 162), 138469#(<= ULTIMATE.start_main_~i~4 164), 138474#(<= ULTIMATE.start_main_~i~4 174), 138475#(<= ULTIMATE.start_main_~i~4 176), 138472#(<= ULTIMATE.start_main_~i~4 170), 138473#(<= ULTIMATE.start_main_~i~4 172), 138478#(<= ULTIMATE.start_main_~i~4 182), 138479#(<= ULTIMATE.start_main_~i~4 184), 138476#(<= ULTIMATE.start_main_~i~4 178), 138477#(<= ULTIMATE.start_main_~i~4 180), 138482#(<= ULTIMATE.start_main_~i~4 190), 138483#(<= ULTIMATE.start_main_~i~4 192), 138480#(<= ULTIMATE.start_main_~i~4 186), 138481#(<= ULTIMATE.start_main_~i~4 188), 138486#(<= ULTIMATE.start_main_~i~4 198), 138487#(<= ULTIMATE.start_main_~i~4 200), 138484#(<= ULTIMATE.start_main_~i~4 194), 138485#(<= ULTIMATE.start_main_~i~4 196), 138490#(<= ULTIMATE.start_main_~i~4 206), 138491#(<= ULTIMATE.start_main_~i~4 208), 138488#(<= ULTIMATE.start_main_~i~4 202), 138489#(<= ULTIMATE.start_main_~i~4 204), 138494#(<= ULTIMATE.start_main_~i~4 214), 138495#(<= ULTIMATE.start_main_~i~4 216), 138492#(<= ULTIMATE.start_main_~i~4 210), 138493#(<= ULTIMATE.start_main_~i~4 212)] [2018-07-23 13:46:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 29756 backedges. 0 proven. 29756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,115 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:46:27,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:46:27,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:46:27,118 INFO L87 Difference]: Start difference. First operand 349 states and 349 transitions. Second operand 175 states. [2018-07-23 13:46:27,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:27,469 INFO L93 Difference]: Finished difference Result 353 states and 353 transitions. [2018-07-23 13:46:27,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:46:27,470 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 348 [2018-07-23 13:46:27,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:27,470 INFO L225 Difference]: With dead ends: 353 [2018-07-23 13:46:27,470 INFO L226 Difference]: Without dead ends: 351 [2018-07-23 13:46:27,471 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:46:27,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-07-23 13:46:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2018-07-23 13:46:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-07-23 13:46:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 351 transitions. [2018-07-23 13:46:27,474 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 351 transitions. Word has length 348 [2018-07-23 13:46:27,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:27,475 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 351 transitions. [2018-07-23 13:46:27,475 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:46:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 351 transitions. [2018-07-23 13:46:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-07-23 13:46:27,476 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:27,476 INFO L357 BasicCegarLoop]: trace histogram [174, 173, 1, 1, 1] [2018-07-23 13:46:27,476 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:27,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1650906247, now seen corresponding path program 173 times [2018-07-23 13:46:27,476 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 30102 backedges. 0 proven. 30102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,357 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:28,357 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:46:28,358 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,358 INFO L185 omatonBuilderFactory]: Interpolants [140034#(<= ULTIMATE.start_main_~i~4 128), 140035#(<= ULTIMATE.start_main_~i~4 130), 140032#(<= ULTIMATE.start_main_~i~4 124), 140033#(<= ULTIMATE.start_main_~i~4 126), 140038#(<= ULTIMATE.start_main_~i~4 136), 140039#(<= ULTIMATE.start_main_~i~4 138), 140036#(<= ULTIMATE.start_main_~i~4 132), 140037#(<= ULTIMATE.start_main_~i~4 134), 140042#(<= ULTIMATE.start_main_~i~4 144), 140043#(<= ULTIMATE.start_main_~i~4 146), 140040#(<= ULTIMATE.start_main_~i~4 140), 140041#(<= ULTIMATE.start_main_~i~4 142), 140046#(<= ULTIMATE.start_main_~i~4 152), 140047#(<= ULTIMATE.start_main_~i~4 154), 140044#(<= ULTIMATE.start_main_~i~4 148), 140045#(<= ULTIMATE.start_main_~i~4 150), 140050#(<= ULTIMATE.start_main_~i~4 160), 140051#(<= ULTIMATE.start_main_~i~4 162), 140048#(<= ULTIMATE.start_main_~i~4 156), 140049#(<= ULTIMATE.start_main_~i~4 158), 140054#(<= ULTIMATE.start_main_~i~4 168), 140055#(<= ULTIMATE.start_main_~i~4 170), 140052#(<= ULTIMATE.start_main_~i~4 164), 140053#(<= ULTIMATE.start_main_~i~4 166), 140058#(<= ULTIMATE.start_main_~i~4 176), 140059#(<= ULTIMATE.start_main_~i~4 178), 140056#(<= ULTIMATE.start_main_~i~4 172), 140057#(<= ULTIMATE.start_main_~i~4 174), 140062#(<= ULTIMATE.start_main_~i~4 184), 140063#(<= ULTIMATE.start_main_~i~4 186), 140060#(<= ULTIMATE.start_main_~i~4 180), 140061#(<= ULTIMATE.start_main_~i~4 182), 140066#(<= ULTIMATE.start_main_~i~4 192), 140067#(<= ULTIMATE.start_main_~i~4 194), 140064#(<= ULTIMATE.start_main_~i~4 188), 140065#(<= ULTIMATE.start_main_~i~4 190), 140070#(<= ULTIMATE.start_main_~i~4 200), 140071#(<= ULTIMATE.start_main_~i~4 202), 140068#(<= ULTIMATE.start_main_~i~4 196), 140069#(<= ULTIMATE.start_main_~i~4 198), 140074#(<= ULTIMATE.start_main_~i~4 208), 140075#(<= ULTIMATE.start_main_~i~4 210), 140072#(<= ULTIMATE.start_main_~i~4 204), 140073#(<= ULTIMATE.start_main_~i~4 206), 140078#(<= ULTIMATE.start_main_~i~4 216), 140079#(<= ULTIMATE.start_main_~i~4 218), 140076#(<= ULTIMATE.start_main_~i~4 212), 140077#(<= ULTIMATE.start_main_~i~4 214), 140082#(<= ULTIMATE.start_main_~i~4 224), 140083#(<= ULTIMATE.start_main_~i~4 226), 140080#(<= ULTIMATE.start_main_~i~4 220), 140081#(<= ULTIMATE.start_main_~i~4 222), 140086#(<= ULTIMATE.start_main_~i~4 232), 140087#(<= ULTIMATE.start_main_~i~4 234), 140084#(<= ULTIMATE.start_main_~i~4 228), 140085#(<= ULTIMATE.start_main_~i~4 230), 140090#(<= ULTIMATE.start_main_~i~4 240), 140091#(<= ULTIMATE.start_main_~i~4 242), 140088#(<= ULTIMATE.start_main_~i~4 236), 140089#(<= ULTIMATE.start_main_~i~4 238), 140094#(<= ULTIMATE.start_main_~i~4 248), 140095#(<= ULTIMATE.start_main_~i~4 250), 140092#(<= ULTIMATE.start_main_~i~4 244), 140093#(<= ULTIMATE.start_main_~i~4 246), 140098#(<= ULTIMATE.start_main_~i~4 256), 140099#(<= ULTIMATE.start_main_~i~4 258), 140096#(<= ULTIMATE.start_main_~i~4 252), 140097#(<= ULTIMATE.start_main_~i~4 254), 140102#(<= ULTIMATE.start_main_~i~4 264), 140103#(<= ULTIMATE.start_main_~i~4 266), 140100#(<= ULTIMATE.start_main_~i~4 260), 140101#(<= ULTIMATE.start_main_~i~4 262), 140106#(<= ULTIMATE.start_main_~i~4 272), 140107#(<= ULTIMATE.start_main_~i~4 274), 140104#(<= ULTIMATE.start_main_~i~4 268), 140105#(<= ULTIMATE.start_main_~i~4 270), 140110#(<= ULTIMATE.start_main_~i~4 280), 140111#(<= ULTIMATE.start_main_~i~4 282), 140108#(<= ULTIMATE.start_main_~i~4 276), 140109#(<= ULTIMATE.start_main_~i~4 278), 140114#(<= ULTIMATE.start_main_~i~4 288), 140115#(<= ULTIMATE.start_main_~i~4 290), 140112#(<= ULTIMATE.start_main_~i~4 284), 140113#(<= ULTIMATE.start_main_~i~4 286), 140118#(<= ULTIMATE.start_main_~i~4 296), 140119#(<= ULTIMATE.start_main_~i~4 298), 140116#(<= ULTIMATE.start_main_~i~4 292), 140117#(<= ULTIMATE.start_main_~i~4 294), 140122#(<= ULTIMATE.start_main_~i~4 304), 140123#(<= ULTIMATE.start_main_~i~4 306), 140120#(<= ULTIMATE.start_main_~i~4 300), 140121#(<= ULTIMATE.start_main_~i~4 302), 140126#(<= ULTIMATE.start_main_~i~4 312), 140127#(<= ULTIMATE.start_main_~i~4 314), 140124#(<= ULTIMATE.start_main_~i~4 308), 140125#(<= ULTIMATE.start_main_~i~4 310), 140130#(<= ULTIMATE.start_main_~i~4 320), 140131#(<= ULTIMATE.start_main_~i~4 322), 140128#(<= ULTIMATE.start_main_~i~4 316), 140129#(<= ULTIMATE.start_main_~i~4 318), 140134#(<= ULTIMATE.start_main_~i~4 328), 140135#(<= ULTIMATE.start_main_~i~4 330), 140132#(<= ULTIMATE.start_main_~i~4 324), 140133#(<= ULTIMATE.start_main_~i~4 326), 140138#(<= ULTIMATE.start_main_~i~4 336), 140139#(<= ULTIMATE.start_main_~i~4 338), 140136#(<= ULTIMATE.start_main_~i~4 332), 140137#(<= ULTIMATE.start_main_~i~4 334), 140142#(<= ULTIMATE.start_main_~i~4 344), 140143#(<= ULTIMATE.start_main_~i~4 346), 140140#(<= ULTIMATE.start_main_~i~4 340), 140141#(<= ULTIMATE.start_main_~i~4 342), 139970#(<= ULTIMATE.start_main_~i~4 0), 139971#(<= ULTIMATE.start_main_~i~4 2), 139968#true, 139969#false, 139974#(<= ULTIMATE.start_main_~i~4 8), 139975#(<= ULTIMATE.start_main_~i~4 10), 139972#(<= ULTIMATE.start_main_~i~4 4), 139973#(<= ULTIMATE.start_main_~i~4 6), 139978#(<= ULTIMATE.start_main_~i~4 16), 139979#(<= ULTIMATE.start_main_~i~4 18), 139976#(<= ULTIMATE.start_main_~i~4 12), 139977#(<= ULTIMATE.start_main_~i~4 14), 139982#(<= ULTIMATE.start_main_~i~4 24), 139983#(<= ULTIMATE.start_main_~i~4 26), 139980#(<= ULTIMATE.start_main_~i~4 20), 139981#(<= ULTIMATE.start_main_~i~4 22), 139986#(<= ULTIMATE.start_main_~i~4 32), 139987#(<= ULTIMATE.start_main_~i~4 34), 139984#(<= ULTIMATE.start_main_~i~4 28), 139985#(<= ULTIMATE.start_main_~i~4 30), 139990#(<= ULTIMATE.start_main_~i~4 40), 139991#(<= ULTIMATE.start_main_~i~4 42), 139988#(<= ULTIMATE.start_main_~i~4 36), 139989#(<= ULTIMATE.start_main_~i~4 38), 139994#(<= ULTIMATE.start_main_~i~4 48), 139995#(<= ULTIMATE.start_main_~i~4 50), 139992#(<= ULTIMATE.start_main_~i~4 44), 139993#(<= ULTIMATE.start_main_~i~4 46), 139998#(<= ULTIMATE.start_main_~i~4 56), 139999#(<= ULTIMATE.start_main_~i~4 58), 139996#(<= ULTIMATE.start_main_~i~4 52), 139997#(<= ULTIMATE.start_main_~i~4 54), 140002#(<= ULTIMATE.start_main_~i~4 64), 140003#(<= ULTIMATE.start_main_~i~4 66), 140000#(<= ULTIMATE.start_main_~i~4 60), 140001#(<= ULTIMATE.start_main_~i~4 62), 140006#(<= ULTIMATE.start_main_~i~4 72), 140007#(<= ULTIMATE.start_main_~i~4 74), 140004#(<= ULTIMATE.start_main_~i~4 68), 140005#(<= ULTIMATE.start_main_~i~4 70), 140010#(<= ULTIMATE.start_main_~i~4 80), 140011#(<= ULTIMATE.start_main_~i~4 82), 140008#(<= ULTIMATE.start_main_~i~4 76), 140009#(<= ULTIMATE.start_main_~i~4 78), 140014#(<= ULTIMATE.start_main_~i~4 88), 140015#(<= ULTIMATE.start_main_~i~4 90), 140012#(<= ULTIMATE.start_main_~i~4 84), 140013#(<= ULTIMATE.start_main_~i~4 86), 140018#(<= ULTIMATE.start_main_~i~4 96), 140019#(<= ULTIMATE.start_main_~i~4 98), 140016#(<= ULTIMATE.start_main_~i~4 92), 140017#(<= ULTIMATE.start_main_~i~4 94), 140022#(<= ULTIMATE.start_main_~i~4 104), 140023#(<= ULTIMATE.start_main_~i~4 106), 140020#(<= ULTIMATE.start_main_~i~4 100), 140021#(<= ULTIMATE.start_main_~i~4 102), 140026#(<= ULTIMATE.start_main_~i~4 112), 140027#(<= ULTIMATE.start_main_~i~4 114), 140024#(<= ULTIMATE.start_main_~i~4 108), 140025#(<= ULTIMATE.start_main_~i~4 110), 140030#(<= ULTIMATE.start_main_~i~4 120), 140031#(<= ULTIMATE.start_main_~i~4 122), 140028#(<= ULTIMATE.start_main_~i~4 116), 140029#(<= ULTIMATE.start_main_~i~4 118)] [2018-07-23 13:46:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 30102 backedges. 0 proven. 30102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,360 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:46:28,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:46:28,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:46:28,364 INFO L87 Difference]: Start difference. First operand 351 states and 351 transitions. Second operand 176 states. [2018-07-23 13:46:28,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:28,965 INFO L93 Difference]: Finished difference Result 355 states and 355 transitions. [2018-07-23 13:46:28,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:46:28,965 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 350 [2018-07-23 13:46:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:28,966 INFO L225 Difference]: With dead ends: 355 [2018-07-23 13:46:28,966 INFO L226 Difference]: Without dead ends: 353 [2018-07-23 13:46:28,967 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:46:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-07-23 13:46:28,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2018-07-23 13:46:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-07-23 13:46:28,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 353 transitions. [2018-07-23 13:46:28,971 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 353 transitions. Word has length 350 [2018-07-23 13:46:28,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:28,971 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 353 transitions. [2018-07-23 13:46:28,971 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:46:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 353 transitions. [2018-07-23 13:46:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-07-23 13:46:28,972 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:28,972 INFO L357 BasicCegarLoop]: trace histogram [175, 174, 1, 1, 1] [2018-07-23 13:46:28,972 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:28,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1677919053, now seen corresponding path program 174 times [2018-07-23 13:46:28,972 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30450 backedges. 0 proven. 30450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,892 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:29,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:46:29,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,892 INFO L185 omatonBuilderFactory]: Interpolants [141570#(<= ULTIMATE.start_main_~i~4 16), 141571#(<= ULTIMATE.start_main_~i~4 18), 141568#(<= ULTIMATE.start_main_~i~4 12), 141569#(<= ULTIMATE.start_main_~i~4 14), 141574#(<= ULTIMATE.start_main_~i~4 24), 141575#(<= ULTIMATE.start_main_~i~4 26), 141572#(<= ULTIMATE.start_main_~i~4 20), 141573#(<= ULTIMATE.start_main_~i~4 22), 141578#(<= ULTIMATE.start_main_~i~4 32), 141579#(<= ULTIMATE.start_main_~i~4 34), 141576#(<= ULTIMATE.start_main_~i~4 28), 141577#(<= ULTIMATE.start_main_~i~4 30), 141582#(<= ULTIMATE.start_main_~i~4 40), 141583#(<= ULTIMATE.start_main_~i~4 42), 141580#(<= ULTIMATE.start_main_~i~4 36), 141581#(<= ULTIMATE.start_main_~i~4 38), 141586#(<= ULTIMATE.start_main_~i~4 48), 141587#(<= ULTIMATE.start_main_~i~4 50), 141584#(<= ULTIMATE.start_main_~i~4 44), 141585#(<= ULTIMATE.start_main_~i~4 46), 141590#(<= ULTIMATE.start_main_~i~4 56), 141591#(<= ULTIMATE.start_main_~i~4 58), 141588#(<= ULTIMATE.start_main_~i~4 52), 141589#(<= ULTIMATE.start_main_~i~4 54), 141594#(<= ULTIMATE.start_main_~i~4 64), 141595#(<= ULTIMATE.start_main_~i~4 66), 141592#(<= ULTIMATE.start_main_~i~4 60), 141593#(<= ULTIMATE.start_main_~i~4 62), 141598#(<= ULTIMATE.start_main_~i~4 72), 141599#(<= ULTIMATE.start_main_~i~4 74), 141596#(<= ULTIMATE.start_main_~i~4 68), 141597#(<= ULTIMATE.start_main_~i~4 70), 141602#(<= ULTIMATE.start_main_~i~4 80), 141603#(<= ULTIMATE.start_main_~i~4 82), 141600#(<= ULTIMATE.start_main_~i~4 76), 141601#(<= ULTIMATE.start_main_~i~4 78), 141606#(<= ULTIMATE.start_main_~i~4 88), 141607#(<= ULTIMATE.start_main_~i~4 90), 141604#(<= ULTIMATE.start_main_~i~4 84), 141605#(<= ULTIMATE.start_main_~i~4 86), 141610#(<= ULTIMATE.start_main_~i~4 96), 141611#(<= ULTIMATE.start_main_~i~4 98), 141608#(<= ULTIMATE.start_main_~i~4 92), 141609#(<= ULTIMATE.start_main_~i~4 94), 141614#(<= ULTIMATE.start_main_~i~4 104), 141615#(<= ULTIMATE.start_main_~i~4 106), 141612#(<= ULTIMATE.start_main_~i~4 100), 141613#(<= ULTIMATE.start_main_~i~4 102), 141618#(<= ULTIMATE.start_main_~i~4 112), 141619#(<= ULTIMATE.start_main_~i~4 114), 141616#(<= ULTIMATE.start_main_~i~4 108), 141617#(<= ULTIMATE.start_main_~i~4 110), 141622#(<= ULTIMATE.start_main_~i~4 120), 141623#(<= ULTIMATE.start_main_~i~4 122), 141620#(<= ULTIMATE.start_main_~i~4 116), 141621#(<= ULTIMATE.start_main_~i~4 118), 141626#(<= ULTIMATE.start_main_~i~4 128), 141627#(<= ULTIMATE.start_main_~i~4 130), 141624#(<= ULTIMATE.start_main_~i~4 124), 141625#(<= ULTIMATE.start_main_~i~4 126), 141630#(<= ULTIMATE.start_main_~i~4 136), 141631#(<= ULTIMATE.start_main_~i~4 138), 141628#(<= ULTIMATE.start_main_~i~4 132), 141629#(<= ULTIMATE.start_main_~i~4 134), 141634#(<= ULTIMATE.start_main_~i~4 144), 141635#(<= ULTIMATE.start_main_~i~4 146), 141632#(<= ULTIMATE.start_main_~i~4 140), 141633#(<= ULTIMATE.start_main_~i~4 142), 141638#(<= ULTIMATE.start_main_~i~4 152), 141639#(<= ULTIMATE.start_main_~i~4 154), 141636#(<= ULTIMATE.start_main_~i~4 148), 141637#(<= ULTIMATE.start_main_~i~4 150), 141642#(<= ULTIMATE.start_main_~i~4 160), 141643#(<= ULTIMATE.start_main_~i~4 162), 141640#(<= ULTIMATE.start_main_~i~4 156), 141641#(<= ULTIMATE.start_main_~i~4 158), 141646#(<= ULTIMATE.start_main_~i~4 168), 141647#(<= ULTIMATE.start_main_~i~4 170), 141644#(<= ULTIMATE.start_main_~i~4 164), 141645#(<= ULTIMATE.start_main_~i~4 166), 141650#(<= ULTIMATE.start_main_~i~4 176), 141651#(<= ULTIMATE.start_main_~i~4 178), 141648#(<= ULTIMATE.start_main_~i~4 172), 141649#(<= ULTIMATE.start_main_~i~4 174), 141654#(<= ULTIMATE.start_main_~i~4 184), 141655#(<= ULTIMATE.start_main_~i~4 186), 141652#(<= ULTIMATE.start_main_~i~4 180), 141653#(<= ULTIMATE.start_main_~i~4 182), 141658#(<= ULTIMATE.start_main_~i~4 192), 141659#(<= ULTIMATE.start_main_~i~4 194), 141656#(<= ULTIMATE.start_main_~i~4 188), 141657#(<= ULTIMATE.start_main_~i~4 190), 141662#(<= ULTIMATE.start_main_~i~4 200), 141663#(<= ULTIMATE.start_main_~i~4 202), 141660#(<= ULTIMATE.start_main_~i~4 196), 141661#(<= ULTIMATE.start_main_~i~4 198), 141666#(<= ULTIMATE.start_main_~i~4 208), 141667#(<= ULTIMATE.start_main_~i~4 210), 141664#(<= ULTIMATE.start_main_~i~4 204), 141665#(<= ULTIMATE.start_main_~i~4 206), 141670#(<= ULTIMATE.start_main_~i~4 216), 141671#(<= ULTIMATE.start_main_~i~4 218), 141668#(<= ULTIMATE.start_main_~i~4 212), 141669#(<= ULTIMATE.start_main_~i~4 214), 141674#(<= ULTIMATE.start_main_~i~4 224), 141675#(<= ULTIMATE.start_main_~i~4 226), 141672#(<= ULTIMATE.start_main_~i~4 220), 141673#(<= ULTIMATE.start_main_~i~4 222), 141678#(<= ULTIMATE.start_main_~i~4 232), 141679#(<= ULTIMATE.start_main_~i~4 234), 141676#(<= ULTIMATE.start_main_~i~4 228), 141677#(<= ULTIMATE.start_main_~i~4 230), 141682#(<= ULTIMATE.start_main_~i~4 240), 141683#(<= ULTIMATE.start_main_~i~4 242), 141680#(<= ULTIMATE.start_main_~i~4 236), 141681#(<= ULTIMATE.start_main_~i~4 238), 141686#(<= ULTIMATE.start_main_~i~4 248), 141687#(<= ULTIMATE.start_main_~i~4 250), 141684#(<= ULTIMATE.start_main_~i~4 244), 141685#(<= ULTIMATE.start_main_~i~4 246), 141690#(<= ULTIMATE.start_main_~i~4 256), 141691#(<= ULTIMATE.start_main_~i~4 258), 141688#(<= ULTIMATE.start_main_~i~4 252), 141689#(<= ULTIMATE.start_main_~i~4 254), 141694#(<= ULTIMATE.start_main_~i~4 264), 141695#(<= ULTIMATE.start_main_~i~4 266), 141692#(<= ULTIMATE.start_main_~i~4 260), 141693#(<= ULTIMATE.start_main_~i~4 262), 141698#(<= ULTIMATE.start_main_~i~4 272), 141699#(<= ULTIMATE.start_main_~i~4 274), 141696#(<= ULTIMATE.start_main_~i~4 268), 141697#(<= ULTIMATE.start_main_~i~4 270), 141702#(<= ULTIMATE.start_main_~i~4 280), 141703#(<= ULTIMATE.start_main_~i~4 282), 141700#(<= ULTIMATE.start_main_~i~4 276), 141701#(<= ULTIMATE.start_main_~i~4 278), 141706#(<= ULTIMATE.start_main_~i~4 288), 141707#(<= ULTIMATE.start_main_~i~4 290), 141704#(<= ULTIMATE.start_main_~i~4 284), 141705#(<= ULTIMATE.start_main_~i~4 286), 141710#(<= ULTIMATE.start_main_~i~4 296), 141711#(<= ULTIMATE.start_main_~i~4 298), 141708#(<= ULTIMATE.start_main_~i~4 292), 141709#(<= ULTIMATE.start_main_~i~4 294), 141714#(<= ULTIMATE.start_main_~i~4 304), 141715#(<= ULTIMATE.start_main_~i~4 306), 141712#(<= ULTIMATE.start_main_~i~4 300), 141713#(<= ULTIMATE.start_main_~i~4 302), 141718#(<= ULTIMATE.start_main_~i~4 312), 141719#(<= ULTIMATE.start_main_~i~4 314), 141716#(<= ULTIMATE.start_main_~i~4 308), 141717#(<= ULTIMATE.start_main_~i~4 310), 141722#(<= ULTIMATE.start_main_~i~4 320), 141723#(<= ULTIMATE.start_main_~i~4 322), 141720#(<= ULTIMATE.start_main_~i~4 316), 141721#(<= ULTIMATE.start_main_~i~4 318), 141726#(<= ULTIMATE.start_main_~i~4 328), 141727#(<= ULTIMATE.start_main_~i~4 330), 141724#(<= ULTIMATE.start_main_~i~4 324), 141725#(<= ULTIMATE.start_main_~i~4 326), 141730#(<= ULTIMATE.start_main_~i~4 336), 141731#(<= ULTIMATE.start_main_~i~4 338), 141728#(<= ULTIMATE.start_main_~i~4 332), 141729#(<= ULTIMATE.start_main_~i~4 334), 141734#(<= ULTIMATE.start_main_~i~4 344), 141735#(<= ULTIMATE.start_main_~i~4 346), 141732#(<= ULTIMATE.start_main_~i~4 340), 141733#(<= ULTIMATE.start_main_~i~4 342), 141736#(<= ULTIMATE.start_main_~i~4 348), 141562#(<= ULTIMATE.start_main_~i~4 0), 141563#(<= ULTIMATE.start_main_~i~4 2), 141560#true, 141561#false, 141566#(<= ULTIMATE.start_main_~i~4 8), 141567#(<= ULTIMATE.start_main_~i~4 10), 141564#(<= ULTIMATE.start_main_~i~4 4), 141565#(<= ULTIMATE.start_main_~i~4 6)] [2018-07-23 13:46:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30450 backedges. 0 proven. 30450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,895 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:46:29,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:46:29,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:46:29,899 INFO L87 Difference]: Start difference. First operand 353 states and 353 transitions. Second operand 177 states. [2018-07-23 13:46:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:31,221 INFO L93 Difference]: Finished difference Result 357 states and 357 transitions. [2018-07-23 13:46:31,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:46:31,221 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 352 [2018-07-23 13:46:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:31,222 INFO L225 Difference]: With dead ends: 357 [2018-07-23 13:46:31,222 INFO L226 Difference]: Without dead ends: 355 [2018-07-23 13:46:31,223 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:46:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-07-23 13:46:31,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-07-23 13:46:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-07-23 13:46:31,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 355 transitions. [2018-07-23 13:46:31,227 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 355 transitions. Word has length 352 [2018-07-23 13:46:31,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:31,227 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 355 transitions. [2018-07-23 13:46:31,227 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:46:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 355 transitions. [2018-07-23 13:46:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-07-23 13:46:31,228 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:31,228 INFO L357 BasicCegarLoop]: trace histogram [176, 175, 1, 1, 1] [2018-07-23 13:46:31,228 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:31,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1867421843, now seen corresponding path program 175 times [2018-07-23 13:46:31,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30800 backedges. 0 proven. 30800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:32,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:46:32,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:32,167 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 13:46:32,168 INFO L185 omatonBuilderFactory]: Interpolants [143162#false, 143163#(<= ULTIMATE.start_main_~i~4 0), 143161#true, 143166#(<= ULTIMATE.start_main_~i~4 6), 143167#(<= ULTIMATE.start_main_~i~4 8), 143164#(<= ULTIMATE.start_main_~i~4 2), 143165#(<= ULTIMATE.start_main_~i~4 4), 143170#(<= ULTIMATE.start_main_~i~4 14), 143171#(<= ULTIMATE.start_main_~i~4 16), 143168#(<= ULTIMATE.start_main_~i~4 10), 143169#(<= ULTIMATE.start_main_~i~4 12), 143174#(<= ULTIMATE.start_main_~i~4 22), 143175#(<= ULTIMATE.start_main_~i~4 24), 143172#(<= ULTIMATE.start_main_~i~4 18), 143173#(<= ULTIMATE.start_main_~i~4 20), 143178#(<= ULTIMATE.start_main_~i~4 30), 143179#(<= ULTIMATE.start_main_~i~4 32), 143176#(<= ULTIMATE.start_main_~i~4 26), 143177#(<= ULTIMATE.start_main_~i~4 28), 143182#(<= ULTIMATE.start_main_~i~4 38), 143183#(<= ULTIMATE.start_main_~i~4 40), 143180#(<= ULTIMATE.start_main_~i~4 34), 143181#(<= ULTIMATE.start_main_~i~4 36), 143186#(<= ULTIMATE.start_main_~i~4 46), 143187#(<= ULTIMATE.start_main_~i~4 48), 143184#(<= ULTIMATE.start_main_~i~4 42), 143185#(<= ULTIMATE.start_main_~i~4 44), 143190#(<= ULTIMATE.start_main_~i~4 54), 143191#(<= ULTIMATE.start_main_~i~4 56), 143188#(<= ULTIMATE.start_main_~i~4 50), 143189#(<= ULTIMATE.start_main_~i~4 52), 143194#(<= ULTIMATE.start_main_~i~4 62), 143195#(<= ULTIMATE.start_main_~i~4 64), 143192#(<= ULTIMATE.start_main_~i~4 58), 143193#(<= ULTIMATE.start_main_~i~4 60), 143198#(<= ULTIMATE.start_main_~i~4 70), 143199#(<= ULTIMATE.start_main_~i~4 72), 143196#(<= ULTIMATE.start_main_~i~4 66), 143197#(<= ULTIMATE.start_main_~i~4 68), 143202#(<= ULTIMATE.start_main_~i~4 78), 143203#(<= ULTIMATE.start_main_~i~4 80), 143200#(<= ULTIMATE.start_main_~i~4 74), 143201#(<= ULTIMATE.start_main_~i~4 76), 143206#(<= ULTIMATE.start_main_~i~4 86), 143207#(<= ULTIMATE.start_main_~i~4 88), 143204#(<= ULTIMATE.start_main_~i~4 82), 143205#(<= ULTIMATE.start_main_~i~4 84), 143210#(<= ULTIMATE.start_main_~i~4 94), 143211#(<= ULTIMATE.start_main_~i~4 96), 143208#(<= ULTIMATE.start_main_~i~4 90), 143209#(<= ULTIMATE.start_main_~i~4 92), 143214#(<= ULTIMATE.start_main_~i~4 102), 143215#(<= ULTIMATE.start_main_~i~4 104), 143212#(<= ULTIMATE.start_main_~i~4 98), 143213#(<= ULTIMATE.start_main_~i~4 100), 143218#(<= ULTIMATE.start_main_~i~4 110), 143219#(<= ULTIMATE.start_main_~i~4 112), 143216#(<= ULTIMATE.start_main_~i~4 106), 143217#(<= ULTIMATE.start_main_~i~4 108), 143222#(<= ULTIMATE.start_main_~i~4 118), 143223#(<= ULTIMATE.start_main_~i~4 120), 143220#(<= ULTIMATE.start_main_~i~4 114), 143221#(<= ULTIMATE.start_main_~i~4 116), 143226#(<= ULTIMATE.start_main_~i~4 126), 143227#(<= ULTIMATE.start_main_~i~4 128), 143224#(<= ULTIMATE.start_main_~i~4 122), 143225#(<= ULTIMATE.start_main_~i~4 124), 143230#(<= ULTIMATE.start_main_~i~4 134), 143231#(<= ULTIMATE.start_main_~i~4 136), 143228#(<= ULTIMATE.start_main_~i~4 130), 143229#(<= ULTIMATE.start_main_~i~4 132), 143234#(<= ULTIMATE.start_main_~i~4 142), 143235#(<= ULTIMATE.start_main_~i~4 144), 143232#(<= ULTIMATE.start_main_~i~4 138), 143233#(<= ULTIMATE.start_main_~i~4 140), 143238#(<= ULTIMATE.start_main_~i~4 150), 143239#(<= ULTIMATE.start_main_~i~4 152), 143236#(<= ULTIMATE.start_main_~i~4 146), 143237#(<= ULTIMATE.start_main_~i~4 148), 143242#(<= ULTIMATE.start_main_~i~4 158), 143243#(<= ULTIMATE.start_main_~i~4 160), 143240#(<= ULTIMATE.start_main_~i~4 154), 143241#(<= ULTIMATE.start_main_~i~4 156), 143246#(<= ULTIMATE.start_main_~i~4 166), 143247#(<= ULTIMATE.start_main_~i~4 168), 143244#(<= ULTIMATE.start_main_~i~4 162), 143245#(<= ULTIMATE.start_main_~i~4 164), 143250#(<= ULTIMATE.start_main_~i~4 174), 143251#(<= ULTIMATE.start_main_~i~4 176), 143248#(<= ULTIMATE.start_main_~i~4 170), 143249#(<= ULTIMATE.start_main_~i~4 172), 143254#(<= ULTIMATE.start_main_~i~4 182), 143255#(<= ULTIMATE.start_main_~i~4 184), 143252#(<= ULTIMATE.start_main_~i~4 178), 143253#(<= ULTIMATE.start_main_~i~4 180), 143258#(<= ULTIMATE.start_main_~i~4 190), 143259#(<= ULTIMATE.start_main_~i~4 192), 143256#(<= ULTIMATE.start_main_~i~4 186), 143257#(<= ULTIMATE.start_main_~i~4 188), 143262#(<= ULTIMATE.start_main_~i~4 198), 143263#(<= ULTIMATE.start_main_~i~4 200), 143260#(<= ULTIMATE.start_main_~i~4 194), 143261#(<= ULTIMATE.start_main_~i~4 196), 143266#(<= ULTIMATE.start_main_~i~4 206), 143267#(<= ULTIMATE.start_main_~i~4 208), 143264#(<= ULTIMATE.start_main_~i~4 202), 143265#(<= ULTIMATE.start_main_~i~4 204), 143270#(<= ULTIMATE.start_main_~i~4 214), 143271#(<= ULTIMATE.start_main_~i~4 216), 143268#(<= ULTIMATE.start_main_~i~4 210), 143269#(<= ULTIMATE.start_main_~i~4 212), 143274#(<= ULTIMATE.start_main_~i~4 222), 143275#(<= ULTIMATE.start_main_~i~4 224), 143272#(<= ULTIMATE.start_main_~i~4 218), 143273#(<= ULTIMATE.start_main_~i~4 220), 143278#(<= ULTIMATE.start_main_~i~4 230), 143279#(<= ULTIMATE.start_main_~i~4 232), 143276#(<= ULTIMATE.start_main_~i~4 226), 143277#(<= ULTIMATE.start_main_~i~4 228), 143282#(<= ULTIMATE.start_main_~i~4 238), 143283#(<= ULTIMATE.start_main_~i~4 240), 143280#(<= ULTIMATE.start_main_~i~4 234), 143281#(<= ULTIMATE.start_main_~i~4 236), 143286#(<= ULTIMATE.start_main_~i~4 246), 143287#(<= ULTIMATE.start_main_~i~4 248), 143284#(<= ULTIMATE.start_main_~i~4 242), 143285#(<= ULTIMATE.start_main_~i~4 244), 143290#(<= ULTIMATE.start_main_~i~4 254), 143291#(<= ULTIMATE.start_main_~i~4 256), 143288#(<= ULTIMATE.start_main_~i~4 250), 143289#(<= ULTIMATE.start_main_~i~4 252), 143294#(<= ULTIMATE.start_main_~i~4 262), 143295#(<= ULTIMATE.start_main_~i~4 264), 143292#(<= ULTIMATE.start_main_~i~4 258), 143293#(<= ULTIMATE.start_main_~i~4 260), 143298#(<= ULTIMATE.start_main_~i~4 270), 143299#(<= ULTIMATE.start_main_~i~4 272), 143296#(<= ULTIMATE.start_main_~i~4 266), 143297#(<= ULTIMATE.start_main_~i~4 268), 143302#(<= ULTIMATE.start_main_~i~4 278), 143303#(<= ULTIMATE.start_main_~i~4 280), 143300#(<= ULTIMATE.start_main_~i~4 274), 143301#(<= ULTIMATE.start_main_~i~4 276), 143306#(<= ULTIMATE.start_main_~i~4 286), 143307#(<= ULTIMATE.start_main_~i~4 288), 143304#(<= ULTIMATE.start_main_~i~4 282), 143305#(<= ULTIMATE.start_main_~i~4 284), 143310#(<= ULTIMATE.start_main_~i~4 294), 143311#(<= ULTIMATE.start_main_~i~4 296), 143308#(<= ULTIMATE.start_main_~i~4 290), 143309#(<= ULTIMATE.start_main_~i~4 292), 143314#(<= ULTIMATE.start_main_~i~4 302), 143315#(<= ULTIMATE.start_main_~i~4 304), 143312#(<= ULTIMATE.start_main_~i~4 298), 143313#(<= ULTIMATE.start_main_~i~4 300), 143318#(<= ULTIMATE.start_main_~i~4 310), 143319#(<= ULTIMATE.start_main_~i~4 312), 143316#(<= ULTIMATE.start_main_~i~4 306), 143317#(<= ULTIMATE.start_main_~i~4 308), 143322#(<= ULTIMATE.start_main_~i~4 318), 143323#(<= ULTIMATE.start_main_~i~4 320), 143320#(<= ULTIMATE.start_main_~i~4 314), 143321#(<= ULTIMATE.start_main_~i~4 316), 143326#(<= ULTIMATE.start_main_~i~4 326), 143327#(<= ULTIMATE.start_main_~i~4 328), 143324#(<= ULTIMATE.start_main_~i~4 322), 143325#(<= ULTIMATE.start_main_~i~4 324), 143330#(<= ULTIMATE.start_main_~i~4 334), 143331#(<= ULTIMATE.start_main_~i~4 336), 143328#(<= ULTIMATE.start_main_~i~4 330), 143329#(<= ULTIMATE.start_main_~i~4 332), 143334#(<= ULTIMATE.start_main_~i~4 342), 143335#(<= ULTIMATE.start_main_~i~4 344), 143332#(<= ULTIMATE.start_main_~i~4 338), 143333#(<= ULTIMATE.start_main_~i~4 340), 143338#(<= ULTIMATE.start_main_~i~4 350), 143336#(<= ULTIMATE.start_main_~i~4 346), 143337#(<= ULTIMATE.start_main_~i~4 348)] [2018-07-23 13:46:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30800 backedges. 0 proven. 30800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,170 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:46:32,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:46:32,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:46:32,174 INFO L87 Difference]: Start difference. First operand 355 states and 355 transitions. Second operand 178 states. [2018-07-23 13:46:33,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:33,371 INFO L93 Difference]: Finished difference Result 359 states and 359 transitions. [2018-07-23 13:46:33,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:46:33,371 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 354 [2018-07-23 13:46:33,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:33,371 INFO L225 Difference]: With dead ends: 359 [2018-07-23 13:46:33,371 INFO L226 Difference]: Without dead ends: 357 [2018-07-23 13:46:33,374 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:46:33,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-07-23 13:46:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2018-07-23 13:46:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-07-23 13:46:33,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 357 transitions. [2018-07-23 13:46:33,377 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 357 transitions. Word has length 354 [2018-07-23 13:46:33,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:33,377 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 357 transitions. [2018-07-23 13:46:33,377 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:46:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 357 transitions. [2018-07-23 13:46:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-07-23 13:46:33,378 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:33,379 INFO L357 BasicCegarLoop]: trace histogram [177, 176, 1, 1, 1] [2018-07-23 13:46:33,379 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:33,379 INFO L82 PathProgramCache]: Analyzing trace with hash 703990695, now seen corresponding path program 176 times [2018-07-23 13:46:33,379 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 31152 backedges. 0 proven. 31152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,273 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:34,273 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:46:34,274 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,274 INFO L185 omatonBuilderFactory]: Interpolants [144898#(<= ULTIMATE.start_main_~i~4 250), 144899#(<= ULTIMATE.start_main_~i~4 252), 144896#(<= ULTIMATE.start_main_~i~4 246), 144897#(<= ULTIMATE.start_main_~i~4 248), 144902#(<= ULTIMATE.start_main_~i~4 258), 144903#(<= ULTIMATE.start_main_~i~4 260), 144900#(<= ULTIMATE.start_main_~i~4 254), 144901#(<= ULTIMATE.start_main_~i~4 256), 144906#(<= ULTIMATE.start_main_~i~4 266), 144907#(<= ULTIMATE.start_main_~i~4 268), 144904#(<= ULTIMATE.start_main_~i~4 262), 144905#(<= ULTIMATE.start_main_~i~4 264), 144910#(<= ULTIMATE.start_main_~i~4 274), 144911#(<= ULTIMATE.start_main_~i~4 276), 144908#(<= ULTIMATE.start_main_~i~4 270), 144909#(<= ULTIMATE.start_main_~i~4 272), 144914#(<= ULTIMATE.start_main_~i~4 282), 144915#(<= ULTIMATE.start_main_~i~4 284), 144912#(<= ULTIMATE.start_main_~i~4 278), 144913#(<= ULTIMATE.start_main_~i~4 280), 144918#(<= ULTIMATE.start_main_~i~4 290), 144919#(<= ULTIMATE.start_main_~i~4 292), 144916#(<= ULTIMATE.start_main_~i~4 286), 144917#(<= ULTIMATE.start_main_~i~4 288), 144922#(<= ULTIMATE.start_main_~i~4 298), 144923#(<= ULTIMATE.start_main_~i~4 300), 144920#(<= ULTIMATE.start_main_~i~4 294), 144921#(<= ULTIMATE.start_main_~i~4 296), 144926#(<= ULTIMATE.start_main_~i~4 306), 144927#(<= ULTIMATE.start_main_~i~4 308), 144924#(<= ULTIMATE.start_main_~i~4 302), 144925#(<= ULTIMATE.start_main_~i~4 304), 144930#(<= ULTIMATE.start_main_~i~4 314), 144931#(<= ULTIMATE.start_main_~i~4 316), 144928#(<= ULTIMATE.start_main_~i~4 310), 144929#(<= ULTIMATE.start_main_~i~4 312), 144934#(<= ULTIMATE.start_main_~i~4 322), 144935#(<= ULTIMATE.start_main_~i~4 324), 144932#(<= ULTIMATE.start_main_~i~4 318), 144933#(<= ULTIMATE.start_main_~i~4 320), 144938#(<= ULTIMATE.start_main_~i~4 330), 144939#(<= ULTIMATE.start_main_~i~4 332), 144936#(<= ULTIMATE.start_main_~i~4 326), 144937#(<= ULTIMATE.start_main_~i~4 328), 144942#(<= ULTIMATE.start_main_~i~4 338), 144943#(<= ULTIMATE.start_main_~i~4 340), 144940#(<= ULTIMATE.start_main_~i~4 334), 144941#(<= ULTIMATE.start_main_~i~4 336), 144946#(<= ULTIMATE.start_main_~i~4 346), 144947#(<= ULTIMATE.start_main_~i~4 348), 144944#(<= ULTIMATE.start_main_~i~4 342), 144945#(<= ULTIMATE.start_main_~i~4 344), 144948#(<= ULTIMATE.start_main_~i~4 350), 144949#(<= ULTIMATE.start_main_~i~4 352), 144771#true, 144774#(<= ULTIMATE.start_main_~i~4 2), 144775#(<= ULTIMATE.start_main_~i~4 4), 144772#false, 144773#(<= ULTIMATE.start_main_~i~4 0), 144778#(<= ULTIMATE.start_main_~i~4 10), 144779#(<= ULTIMATE.start_main_~i~4 12), 144776#(<= ULTIMATE.start_main_~i~4 6), 144777#(<= ULTIMATE.start_main_~i~4 8), 144782#(<= ULTIMATE.start_main_~i~4 18), 144783#(<= ULTIMATE.start_main_~i~4 20), 144780#(<= ULTIMATE.start_main_~i~4 14), 144781#(<= ULTIMATE.start_main_~i~4 16), 144786#(<= ULTIMATE.start_main_~i~4 26), 144787#(<= ULTIMATE.start_main_~i~4 28), 144784#(<= ULTIMATE.start_main_~i~4 22), 144785#(<= ULTIMATE.start_main_~i~4 24), 144790#(<= ULTIMATE.start_main_~i~4 34), 144791#(<= ULTIMATE.start_main_~i~4 36), 144788#(<= ULTIMATE.start_main_~i~4 30), 144789#(<= ULTIMATE.start_main_~i~4 32), 144794#(<= ULTIMATE.start_main_~i~4 42), 144795#(<= ULTIMATE.start_main_~i~4 44), 144792#(<= ULTIMATE.start_main_~i~4 38), 144793#(<= ULTIMATE.start_main_~i~4 40), 144798#(<= ULTIMATE.start_main_~i~4 50), 144799#(<= ULTIMATE.start_main_~i~4 52), 144796#(<= ULTIMATE.start_main_~i~4 46), 144797#(<= ULTIMATE.start_main_~i~4 48), 144802#(<= ULTIMATE.start_main_~i~4 58), 144803#(<= ULTIMATE.start_main_~i~4 60), 144800#(<= ULTIMATE.start_main_~i~4 54), 144801#(<= ULTIMATE.start_main_~i~4 56), 144806#(<= ULTIMATE.start_main_~i~4 66), 144807#(<= ULTIMATE.start_main_~i~4 68), 144804#(<= ULTIMATE.start_main_~i~4 62), 144805#(<= ULTIMATE.start_main_~i~4 64), 144810#(<= ULTIMATE.start_main_~i~4 74), 144811#(<= ULTIMATE.start_main_~i~4 76), 144808#(<= ULTIMATE.start_main_~i~4 70), 144809#(<= ULTIMATE.start_main_~i~4 72), 144814#(<= ULTIMATE.start_main_~i~4 82), 144815#(<= ULTIMATE.start_main_~i~4 84), 144812#(<= ULTIMATE.start_main_~i~4 78), 144813#(<= ULTIMATE.start_main_~i~4 80), 144818#(<= ULTIMATE.start_main_~i~4 90), 144819#(<= ULTIMATE.start_main_~i~4 92), 144816#(<= ULTIMATE.start_main_~i~4 86), 144817#(<= ULTIMATE.start_main_~i~4 88), 144822#(<= ULTIMATE.start_main_~i~4 98), 144823#(<= ULTIMATE.start_main_~i~4 100), 144820#(<= ULTIMATE.start_main_~i~4 94), 144821#(<= ULTIMATE.start_main_~i~4 96), 144826#(<= ULTIMATE.start_main_~i~4 106), 144827#(<= ULTIMATE.start_main_~i~4 108), 144824#(<= ULTIMATE.start_main_~i~4 102), 144825#(<= ULTIMATE.start_main_~i~4 104), 144830#(<= ULTIMATE.start_main_~i~4 114), 144831#(<= ULTIMATE.start_main_~i~4 116), 144828#(<= ULTIMATE.start_main_~i~4 110), 144829#(<= ULTIMATE.start_main_~i~4 112), 144834#(<= ULTIMATE.start_main_~i~4 122), 144835#(<= ULTIMATE.start_main_~i~4 124), 144832#(<= ULTIMATE.start_main_~i~4 118), 144833#(<= ULTIMATE.start_main_~i~4 120), 144838#(<= ULTIMATE.start_main_~i~4 130), 144839#(<= ULTIMATE.start_main_~i~4 132), 144836#(<= ULTIMATE.start_main_~i~4 126), 144837#(<= ULTIMATE.start_main_~i~4 128), 144842#(<= ULTIMATE.start_main_~i~4 138), 144843#(<= ULTIMATE.start_main_~i~4 140), 144840#(<= ULTIMATE.start_main_~i~4 134), 144841#(<= ULTIMATE.start_main_~i~4 136), 144846#(<= ULTIMATE.start_main_~i~4 146), 144847#(<= ULTIMATE.start_main_~i~4 148), 144844#(<= ULTIMATE.start_main_~i~4 142), 144845#(<= ULTIMATE.start_main_~i~4 144), 144850#(<= ULTIMATE.start_main_~i~4 154), 144851#(<= ULTIMATE.start_main_~i~4 156), 144848#(<= ULTIMATE.start_main_~i~4 150), 144849#(<= ULTIMATE.start_main_~i~4 152), 144854#(<= ULTIMATE.start_main_~i~4 162), 144855#(<= ULTIMATE.start_main_~i~4 164), 144852#(<= ULTIMATE.start_main_~i~4 158), 144853#(<= ULTIMATE.start_main_~i~4 160), 144858#(<= ULTIMATE.start_main_~i~4 170), 144859#(<= ULTIMATE.start_main_~i~4 172), 144856#(<= ULTIMATE.start_main_~i~4 166), 144857#(<= ULTIMATE.start_main_~i~4 168), 144862#(<= ULTIMATE.start_main_~i~4 178), 144863#(<= ULTIMATE.start_main_~i~4 180), 144860#(<= ULTIMATE.start_main_~i~4 174), 144861#(<= ULTIMATE.start_main_~i~4 176), 144866#(<= ULTIMATE.start_main_~i~4 186), 144867#(<= ULTIMATE.start_main_~i~4 188), 144864#(<= ULTIMATE.start_main_~i~4 182), 144865#(<= ULTIMATE.start_main_~i~4 184), 144870#(<= ULTIMATE.start_main_~i~4 194), 144871#(<= ULTIMATE.start_main_~i~4 196), 144868#(<= ULTIMATE.start_main_~i~4 190), 144869#(<= ULTIMATE.start_main_~i~4 192), 144874#(<= ULTIMATE.start_main_~i~4 202), 144875#(<= ULTIMATE.start_main_~i~4 204), 144872#(<= ULTIMATE.start_main_~i~4 198), 144873#(<= ULTIMATE.start_main_~i~4 200), 144878#(<= ULTIMATE.start_main_~i~4 210), 144879#(<= ULTIMATE.start_main_~i~4 212), 144876#(<= ULTIMATE.start_main_~i~4 206), 144877#(<= ULTIMATE.start_main_~i~4 208), 144882#(<= ULTIMATE.start_main_~i~4 218), 144883#(<= ULTIMATE.start_main_~i~4 220), 144880#(<= ULTIMATE.start_main_~i~4 214), 144881#(<= ULTIMATE.start_main_~i~4 216), 144886#(<= ULTIMATE.start_main_~i~4 226), 144887#(<= ULTIMATE.start_main_~i~4 228), 144884#(<= ULTIMATE.start_main_~i~4 222), 144885#(<= ULTIMATE.start_main_~i~4 224), 144890#(<= ULTIMATE.start_main_~i~4 234), 144891#(<= ULTIMATE.start_main_~i~4 236), 144888#(<= ULTIMATE.start_main_~i~4 230), 144889#(<= ULTIMATE.start_main_~i~4 232), 144894#(<= ULTIMATE.start_main_~i~4 242), 144895#(<= ULTIMATE.start_main_~i~4 244), 144892#(<= ULTIMATE.start_main_~i~4 238), 144893#(<= ULTIMATE.start_main_~i~4 240)] [2018-07-23 13:46:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 31152 backedges. 0 proven. 31152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,276 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:46:34,278 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:46:34,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:46:34,280 INFO L87 Difference]: Start difference. First operand 357 states and 357 transitions. Second operand 179 states. [2018-07-23 13:46:34,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:34,782 INFO L93 Difference]: Finished difference Result 361 states and 361 transitions. [2018-07-23 13:46:34,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:46:34,782 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 356 [2018-07-23 13:46:34,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:34,782 INFO L225 Difference]: With dead ends: 361 [2018-07-23 13:46:34,782 INFO L226 Difference]: Without dead ends: 359 [2018-07-23 13:46:34,784 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:46:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-07-23 13:46:34,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-07-23 13:46:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-07-23 13:46:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 359 transitions. [2018-07-23 13:46:34,787 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 359 transitions. Word has length 356 [2018-07-23 13:46:34,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:34,788 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 359 transitions. [2018-07-23 13:46:34,788 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:46:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 359 transitions. [2018-07-23 13:46:34,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-07-23 13:46:34,789 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:34,789 INFO L357 BasicCegarLoop]: trace histogram [178, 177, 1, 1, 1] [2018-07-23 13:46:34,789 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:34,789 INFO L82 PathProgramCache]: Analyzing trace with hash -2069722783, now seen corresponding path program 177 times [2018-07-23 13:46:34,789 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 31506 backedges. 0 proven. 31506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,765 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:35,765 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:46:35,765 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,766 INFO L185 omatonBuilderFactory]: Interpolants [146434#(<= ULTIMATE.start_main_~i~4 84), 146435#(<= ULTIMATE.start_main_~i~4 86), 146432#(<= ULTIMATE.start_main_~i~4 80), 146433#(<= ULTIMATE.start_main_~i~4 82), 146438#(<= ULTIMATE.start_main_~i~4 92), 146439#(<= ULTIMATE.start_main_~i~4 94), 146436#(<= ULTIMATE.start_main_~i~4 88), 146437#(<= ULTIMATE.start_main_~i~4 90), 146442#(<= ULTIMATE.start_main_~i~4 100), 146443#(<= ULTIMATE.start_main_~i~4 102), 146440#(<= ULTIMATE.start_main_~i~4 96), 146441#(<= ULTIMATE.start_main_~i~4 98), 146446#(<= ULTIMATE.start_main_~i~4 108), 146447#(<= ULTIMATE.start_main_~i~4 110), 146444#(<= ULTIMATE.start_main_~i~4 104), 146445#(<= ULTIMATE.start_main_~i~4 106), 146450#(<= ULTIMATE.start_main_~i~4 116), 146451#(<= ULTIMATE.start_main_~i~4 118), 146448#(<= ULTIMATE.start_main_~i~4 112), 146449#(<= ULTIMATE.start_main_~i~4 114), 146454#(<= ULTIMATE.start_main_~i~4 124), 146455#(<= ULTIMATE.start_main_~i~4 126), 146452#(<= ULTIMATE.start_main_~i~4 120), 146453#(<= ULTIMATE.start_main_~i~4 122), 146458#(<= ULTIMATE.start_main_~i~4 132), 146459#(<= ULTIMATE.start_main_~i~4 134), 146456#(<= ULTIMATE.start_main_~i~4 128), 146457#(<= ULTIMATE.start_main_~i~4 130), 146462#(<= ULTIMATE.start_main_~i~4 140), 146463#(<= ULTIMATE.start_main_~i~4 142), 146460#(<= ULTIMATE.start_main_~i~4 136), 146461#(<= ULTIMATE.start_main_~i~4 138), 146466#(<= ULTIMATE.start_main_~i~4 148), 146467#(<= ULTIMATE.start_main_~i~4 150), 146464#(<= ULTIMATE.start_main_~i~4 144), 146465#(<= ULTIMATE.start_main_~i~4 146), 146470#(<= ULTIMATE.start_main_~i~4 156), 146471#(<= ULTIMATE.start_main_~i~4 158), 146468#(<= ULTIMATE.start_main_~i~4 152), 146469#(<= ULTIMATE.start_main_~i~4 154), 146474#(<= ULTIMATE.start_main_~i~4 164), 146475#(<= ULTIMATE.start_main_~i~4 166), 146472#(<= ULTIMATE.start_main_~i~4 160), 146473#(<= ULTIMATE.start_main_~i~4 162), 146478#(<= ULTIMATE.start_main_~i~4 172), 146479#(<= ULTIMATE.start_main_~i~4 174), 146476#(<= ULTIMATE.start_main_~i~4 168), 146477#(<= ULTIMATE.start_main_~i~4 170), 146482#(<= ULTIMATE.start_main_~i~4 180), 146483#(<= ULTIMATE.start_main_~i~4 182), 146480#(<= ULTIMATE.start_main_~i~4 176), 146481#(<= ULTIMATE.start_main_~i~4 178), 146486#(<= ULTIMATE.start_main_~i~4 188), 146487#(<= ULTIMATE.start_main_~i~4 190), 146484#(<= ULTIMATE.start_main_~i~4 184), 146485#(<= ULTIMATE.start_main_~i~4 186), 146490#(<= ULTIMATE.start_main_~i~4 196), 146491#(<= ULTIMATE.start_main_~i~4 198), 146488#(<= ULTIMATE.start_main_~i~4 192), 146489#(<= ULTIMATE.start_main_~i~4 194), 146494#(<= ULTIMATE.start_main_~i~4 204), 146495#(<= ULTIMATE.start_main_~i~4 206), 146492#(<= ULTIMATE.start_main_~i~4 200), 146493#(<= ULTIMATE.start_main_~i~4 202), 146498#(<= ULTIMATE.start_main_~i~4 212), 146499#(<= ULTIMATE.start_main_~i~4 214), 146496#(<= ULTIMATE.start_main_~i~4 208), 146497#(<= ULTIMATE.start_main_~i~4 210), 146502#(<= ULTIMATE.start_main_~i~4 220), 146503#(<= ULTIMATE.start_main_~i~4 222), 146500#(<= ULTIMATE.start_main_~i~4 216), 146501#(<= ULTIMATE.start_main_~i~4 218), 146506#(<= ULTIMATE.start_main_~i~4 228), 146507#(<= ULTIMATE.start_main_~i~4 230), 146504#(<= ULTIMATE.start_main_~i~4 224), 146505#(<= ULTIMATE.start_main_~i~4 226), 146510#(<= ULTIMATE.start_main_~i~4 236), 146511#(<= ULTIMATE.start_main_~i~4 238), 146508#(<= ULTIMATE.start_main_~i~4 232), 146509#(<= ULTIMATE.start_main_~i~4 234), 146514#(<= ULTIMATE.start_main_~i~4 244), 146515#(<= ULTIMATE.start_main_~i~4 246), 146512#(<= ULTIMATE.start_main_~i~4 240), 146513#(<= ULTIMATE.start_main_~i~4 242), 146518#(<= ULTIMATE.start_main_~i~4 252), 146519#(<= ULTIMATE.start_main_~i~4 254), 146516#(<= ULTIMATE.start_main_~i~4 248), 146517#(<= ULTIMATE.start_main_~i~4 250), 146522#(<= ULTIMATE.start_main_~i~4 260), 146523#(<= ULTIMATE.start_main_~i~4 262), 146520#(<= ULTIMATE.start_main_~i~4 256), 146521#(<= ULTIMATE.start_main_~i~4 258), 146526#(<= ULTIMATE.start_main_~i~4 268), 146527#(<= ULTIMATE.start_main_~i~4 270), 146524#(<= ULTIMATE.start_main_~i~4 264), 146525#(<= ULTIMATE.start_main_~i~4 266), 146530#(<= ULTIMATE.start_main_~i~4 276), 146531#(<= ULTIMATE.start_main_~i~4 278), 146528#(<= ULTIMATE.start_main_~i~4 272), 146529#(<= ULTIMATE.start_main_~i~4 274), 146534#(<= ULTIMATE.start_main_~i~4 284), 146535#(<= ULTIMATE.start_main_~i~4 286), 146532#(<= ULTIMATE.start_main_~i~4 280), 146533#(<= ULTIMATE.start_main_~i~4 282), 146538#(<= ULTIMATE.start_main_~i~4 292), 146539#(<= ULTIMATE.start_main_~i~4 294), 146536#(<= ULTIMATE.start_main_~i~4 288), 146537#(<= ULTIMATE.start_main_~i~4 290), 146542#(<= ULTIMATE.start_main_~i~4 300), 146543#(<= ULTIMATE.start_main_~i~4 302), 146540#(<= ULTIMATE.start_main_~i~4 296), 146541#(<= ULTIMATE.start_main_~i~4 298), 146546#(<= ULTIMATE.start_main_~i~4 308), 146547#(<= ULTIMATE.start_main_~i~4 310), 146544#(<= ULTIMATE.start_main_~i~4 304), 146545#(<= ULTIMATE.start_main_~i~4 306), 146550#(<= ULTIMATE.start_main_~i~4 316), 146551#(<= ULTIMATE.start_main_~i~4 318), 146548#(<= ULTIMATE.start_main_~i~4 312), 146549#(<= ULTIMATE.start_main_~i~4 314), 146554#(<= ULTIMATE.start_main_~i~4 324), 146555#(<= ULTIMATE.start_main_~i~4 326), 146552#(<= ULTIMATE.start_main_~i~4 320), 146553#(<= ULTIMATE.start_main_~i~4 322), 146558#(<= ULTIMATE.start_main_~i~4 332), 146559#(<= ULTIMATE.start_main_~i~4 334), 146556#(<= ULTIMATE.start_main_~i~4 328), 146557#(<= ULTIMATE.start_main_~i~4 330), 146562#(<= ULTIMATE.start_main_~i~4 340), 146563#(<= ULTIMATE.start_main_~i~4 342), 146560#(<= ULTIMATE.start_main_~i~4 336), 146561#(<= ULTIMATE.start_main_~i~4 338), 146566#(<= ULTIMATE.start_main_~i~4 348), 146567#(<= ULTIMATE.start_main_~i~4 350), 146564#(<= ULTIMATE.start_main_~i~4 344), 146565#(<= ULTIMATE.start_main_~i~4 346), 146568#(<= ULTIMATE.start_main_~i~4 352), 146569#(<= ULTIMATE.start_main_~i~4 354), 146390#true, 146391#false, 146394#(<= ULTIMATE.start_main_~i~4 4), 146395#(<= ULTIMATE.start_main_~i~4 6), 146392#(<= ULTIMATE.start_main_~i~4 0), 146393#(<= ULTIMATE.start_main_~i~4 2), 146398#(<= ULTIMATE.start_main_~i~4 12), 146399#(<= ULTIMATE.start_main_~i~4 14), 146396#(<= ULTIMATE.start_main_~i~4 8), 146397#(<= ULTIMATE.start_main_~i~4 10), 146402#(<= ULTIMATE.start_main_~i~4 20), 146403#(<= ULTIMATE.start_main_~i~4 22), 146400#(<= ULTIMATE.start_main_~i~4 16), 146401#(<= ULTIMATE.start_main_~i~4 18), 146406#(<= ULTIMATE.start_main_~i~4 28), 146407#(<= ULTIMATE.start_main_~i~4 30), 146404#(<= ULTIMATE.start_main_~i~4 24), 146405#(<= ULTIMATE.start_main_~i~4 26), 146410#(<= ULTIMATE.start_main_~i~4 36), 146411#(<= ULTIMATE.start_main_~i~4 38), 146408#(<= ULTIMATE.start_main_~i~4 32), 146409#(<= ULTIMATE.start_main_~i~4 34), 146414#(<= ULTIMATE.start_main_~i~4 44), 146415#(<= ULTIMATE.start_main_~i~4 46), 146412#(<= ULTIMATE.start_main_~i~4 40), 146413#(<= ULTIMATE.start_main_~i~4 42), 146418#(<= ULTIMATE.start_main_~i~4 52), 146419#(<= ULTIMATE.start_main_~i~4 54), 146416#(<= ULTIMATE.start_main_~i~4 48), 146417#(<= ULTIMATE.start_main_~i~4 50), 146422#(<= ULTIMATE.start_main_~i~4 60), 146423#(<= ULTIMATE.start_main_~i~4 62), 146420#(<= ULTIMATE.start_main_~i~4 56), 146421#(<= ULTIMATE.start_main_~i~4 58), 146426#(<= ULTIMATE.start_main_~i~4 68), 146427#(<= ULTIMATE.start_main_~i~4 70), 146424#(<= ULTIMATE.start_main_~i~4 64), 146425#(<= ULTIMATE.start_main_~i~4 66), 146430#(<= ULTIMATE.start_main_~i~4 76), 146431#(<= ULTIMATE.start_main_~i~4 78), 146428#(<= ULTIMATE.start_main_~i~4 72), 146429#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:46:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 31506 backedges. 0 proven. 31506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,767 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:46:35,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:46:35,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:46:35,769 INFO L87 Difference]: Start difference. First operand 359 states and 359 transitions. Second operand 180 states. [2018-07-23 13:46:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:36,628 INFO L93 Difference]: Finished difference Result 363 states and 363 transitions. [2018-07-23 13:46:36,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:46:36,628 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 358 [2018-07-23 13:46:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:36,629 INFO L225 Difference]: With dead ends: 363 [2018-07-23 13:46:36,629 INFO L226 Difference]: Without dead ends: 361 [2018-07-23 13:46:36,630 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:46:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-23 13:46:36,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-07-23 13:46:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-07-23 13:46:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 361 transitions. [2018-07-23 13:46:36,633 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 361 transitions. Word has length 358 [2018-07-23 13:46:36,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:36,633 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 361 transitions. [2018-07-23 13:46:36,633 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:46:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 361 transitions. [2018-07-23 13:46:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-07-23 13:46:36,634 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:36,634 INFO L357 BasicCegarLoop]: trace histogram [179, 178, 1, 1, 1] [2018-07-23 13:46:36,634 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:36,634 INFO L82 PathProgramCache]: Analyzing trace with hash -433684325, now seen corresponding path program 178 times [2018-07-23 13:46:36,634 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 31862 backedges. 0 proven. 31862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,518 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:37,518 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:46:37,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,519 INFO L185 omatonBuilderFactory]: Interpolants [148018#true, 148019#false, 148022#(<= ULTIMATE.start_main_~i~4 4), 148023#(<= ULTIMATE.start_main_~i~4 6), 148020#(<= ULTIMATE.start_main_~i~4 0), 148021#(<= ULTIMATE.start_main_~i~4 2), 148026#(<= ULTIMATE.start_main_~i~4 12), 148027#(<= ULTIMATE.start_main_~i~4 14), 148024#(<= ULTIMATE.start_main_~i~4 8), 148025#(<= ULTIMATE.start_main_~i~4 10), 148030#(<= ULTIMATE.start_main_~i~4 20), 148031#(<= ULTIMATE.start_main_~i~4 22), 148028#(<= ULTIMATE.start_main_~i~4 16), 148029#(<= ULTIMATE.start_main_~i~4 18), 148034#(<= ULTIMATE.start_main_~i~4 28), 148035#(<= ULTIMATE.start_main_~i~4 30), 148032#(<= ULTIMATE.start_main_~i~4 24), 148033#(<= ULTIMATE.start_main_~i~4 26), 148038#(<= ULTIMATE.start_main_~i~4 36), 148039#(<= ULTIMATE.start_main_~i~4 38), 148036#(<= ULTIMATE.start_main_~i~4 32), 148037#(<= ULTIMATE.start_main_~i~4 34), 148042#(<= ULTIMATE.start_main_~i~4 44), 148043#(<= ULTIMATE.start_main_~i~4 46), 148040#(<= ULTIMATE.start_main_~i~4 40), 148041#(<= ULTIMATE.start_main_~i~4 42), 148046#(<= ULTIMATE.start_main_~i~4 52), 148047#(<= ULTIMATE.start_main_~i~4 54), 148044#(<= ULTIMATE.start_main_~i~4 48), 148045#(<= ULTIMATE.start_main_~i~4 50), 148050#(<= ULTIMATE.start_main_~i~4 60), 148051#(<= ULTIMATE.start_main_~i~4 62), 148048#(<= ULTIMATE.start_main_~i~4 56), 148049#(<= ULTIMATE.start_main_~i~4 58), 148054#(<= ULTIMATE.start_main_~i~4 68), 148055#(<= ULTIMATE.start_main_~i~4 70), 148052#(<= ULTIMATE.start_main_~i~4 64), 148053#(<= ULTIMATE.start_main_~i~4 66), 148058#(<= ULTIMATE.start_main_~i~4 76), 148059#(<= ULTIMATE.start_main_~i~4 78), 148056#(<= ULTIMATE.start_main_~i~4 72), 148057#(<= ULTIMATE.start_main_~i~4 74), 148062#(<= ULTIMATE.start_main_~i~4 84), 148063#(<= ULTIMATE.start_main_~i~4 86), 148060#(<= ULTIMATE.start_main_~i~4 80), 148061#(<= ULTIMATE.start_main_~i~4 82), 148066#(<= ULTIMATE.start_main_~i~4 92), 148067#(<= ULTIMATE.start_main_~i~4 94), 148064#(<= ULTIMATE.start_main_~i~4 88), 148065#(<= ULTIMATE.start_main_~i~4 90), 148070#(<= ULTIMATE.start_main_~i~4 100), 148071#(<= ULTIMATE.start_main_~i~4 102), 148068#(<= ULTIMATE.start_main_~i~4 96), 148069#(<= ULTIMATE.start_main_~i~4 98), 148074#(<= ULTIMATE.start_main_~i~4 108), 148075#(<= ULTIMATE.start_main_~i~4 110), 148072#(<= ULTIMATE.start_main_~i~4 104), 148073#(<= ULTIMATE.start_main_~i~4 106), 148078#(<= ULTIMATE.start_main_~i~4 116), 148079#(<= ULTIMATE.start_main_~i~4 118), 148076#(<= ULTIMATE.start_main_~i~4 112), 148077#(<= ULTIMATE.start_main_~i~4 114), 148082#(<= ULTIMATE.start_main_~i~4 124), 148083#(<= ULTIMATE.start_main_~i~4 126), 148080#(<= ULTIMATE.start_main_~i~4 120), 148081#(<= ULTIMATE.start_main_~i~4 122), 148086#(<= ULTIMATE.start_main_~i~4 132), 148087#(<= ULTIMATE.start_main_~i~4 134), 148084#(<= ULTIMATE.start_main_~i~4 128), 148085#(<= ULTIMATE.start_main_~i~4 130), 148090#(<= ULTIMATE.start_main_~i~4 140), 148091#(<= ULTIMATE.start_main_~i~4 142), 148088#(<= ULTIMATE.start_main_~i~4 136), 148089#(<= ULTIMATE.start_main_~i~4 138), 148094#(<= ULTIMATE.start_main_~i~4 148), 148095#(<= ULTIMATE.start_main_~i~4 150), 148092#(<= ULTIMATE.start_main_~i~4 144), 148093#(<= ULTIMATE.start_main_~i~4 146), 148098#(<= ULTIMATE.start_main_~i~4 156), 148099#(<= ULTIMATE.start_main_~i~4 158), 148096#(<= ULTIMATE.start_main_~i~4 152), 148097#(<= ULTIMATE.start_main_~i~4 154), 148102#(<= ULTIMATE.start_main_~i~4 164), 148103#(<= ULTIMATE.start_main_~i~4 166), 148100#(<= ULTIMATE.start_main_~i~4 160), 148101#(<= ULTIMATE.start_main_~i~4 162), 148106#(<= ULTIMATE.start_main_~i~4 172), 148107#(<= ULTIMATE.start_main_~i~4 174), 148104#(<= ULTIMATE.start_main_~i~4 168), 148105#(<= ULTIMATE.start_main_~i~4 170), 148110#(<= ULTIMATE.start_main_~i~4 180), 148111#(<= ULTIMATE.start_main_~i~4 182), 148108#(<= ULTIMATE.start_main_~i~4 176), 148109#(<= ULTIMATE.start_main_~i~4 178), 148114#(<= ULTIMATE.start_main_~i~4 188), 148115#(<= ULTIMATE.start_main_~i~4 190), 148112#(<= ULTIMATE.start_main_~i~4 184), 148113#(<= ULTIMATE.start_main_~i~4 186), 148118#(<= ULTIMATE.start_main_~i~4 196), 148119#(<= ULTIMATE.start_main_~i~4 198), 148116#(<= ULTIMATE.start_main_~i~4 192), 148117#(<= ULTIMATE.start_main_~i~4 194), 148122#(<= ULTIMATE.start_main_~i~4 204), 148123#(<= ULTIMATE.start_main_~i~4 206), 148120#(<= ULTIMATE.start_main_~i~4 200), 148121#(<= ULTIMATE.start_main_~i~4 202), 148126#(<= ULTIMATE.start_main_~i~4 212), 148127#(<= ULTIMATE.start_main_~i~4 214), 148124#(<= ULTIMATE.start_main_~i~4 208), 148125#(<= ULTIMATE.start_main_~i~4 210), 148130#(<= ULTIMATE.start_main_~i~4 220), 148131#(<= ULTIMATE.start_main_~i~4 222), 148128#(<= ULTIMATE.start_main_~i~4 216), 148129#(<= ULTIMATE.start_main_~i~4 218), 148134#(<= ULTIMATE.start_main_~i~4 228), 148135#(<= ULTIMATE.start_main_~i~4 230), 148132#(<= ULTIMATE.start_main_~i~4 224), 148133#(<= ULTIMATE.start_main_~i~4 226), 148138#(<= ULTIMATE.start_main_~i~4 236), 148139#(<= ULTIMATE.start_main_~i~4 238), 148136#(<= ULTIMATE.start_main_~i~4 232), 148137#(<= ULTIMATE.start_main_~i~4 234), 148142#(<= ULTIMATE.start_main_~i~4 244), 148143#(<= ULTIMATE.start_main_~i~4 246), 148140#(<= ULTIMATE.start_main_~i~4 240), 148141#(<= ULTIMATE.start_main_~i~4 242), 148146#(<= ULTIMATE.start_main_~i~4 252), 148147#(<= ULTIMATE.start_main_~i~4 254), 148144#(<= ULTIMATE.start_main_~i~4 248), 148145#(<= ULTIMATE.start_main_~i~4 250), 148150#(<= ULTIMATE.start_main_~i~4 260), 148151#(<= ULTIMATE.start_main_~i~4 262), 148148#(<= ULTIMATE.start_main_~i~4 256), 148149#(<= ULTIMATE.start_main_~i~4 258), 148154#(<= ULTIMATE.start_main_~i~4 268), 148155#(<= ULTIMATE.start_main_~i~4 270), 148152#(<= ULTIMATE.start_main_~i~4 264), 148153#(<= ULTIMATE.start_main_~i~4 266), 148158#(<= ULTIMATE.start_main_~i~4 276), 148159#(<= ULTIMATE.start_main_~i~4 278), 148156#(<= ULTIMATE.start_main_~i~4 272), 148157#(<= ULTIMATE.start_main_~i~4 274), 148162#(<= ULTIMATE.start_main_~i~4 284), 148163#(<= ULTIMATE.start_main_~i~4 286), 148160#(<= ULTIMATE.start_main_~i~4 280), 148161#(<= ULTIMATE.start_main_~i~4 282), 148166#(<= ULTIMATE.start_main_~i~4 292), 148167#(<= ULTIMATE.start_main_~i~4 294), 148164#(<= ULTIMATE.start_main_~i~4 288), 148165#(<= ULTIMATE.start_main_~i~4 290), 148170#(<= ULTIMATE.start_main_~i~4 300), 148171#(<= ULTIMATE.start_main_~i~4 302), 148168#(<= ULTIMATE.start_main_~i~4 296), 148169#(<= ULTIMATE.start_main_~i~4 298), 148174#(<= ULTIMATE.start_main_~i~4 308), 148175#(<= ULTIMATE.start_main_~i~4 310), 148172#(<= ULTIMATE.start_main_~i~4 304), 148173#(<= ULTIMATE.start_main_~i~4 306), 148178#(<= ULTIMATE.start_main_~i~4 316), 148179#(<= ULTIMATE.start_main_~i~4 318), 148176#(<= ULTIMATE.start_main_~i~4 312), 148177#(<= ULTIMATE.start_main_~i~4 314), 148182#(<= ULTIMATE.start_main_~i~4 324), 148183#(<= ULTIMATE.start_main_~i~4 326), 148180#(<= ULTIMATE.start_main_~i~4 320), 148181#(<= ULTIMATE.start_main_~i~4 322), 148186#(<= ULTIMATE.start_main_~i~4 332), 148187#(<= ULTIMATE.start_main_~i~4 334), 148184#(<= ULTIMATE.start_main_~i~4 328), 148185#(<= ULTIMATE.start_main_~i~4 330), 148190#(<= ULTIMATE.start_main_~i~4 340), 148191#(<= ULTIMATE.start_main_~i~4 342), 148188#(<= ULTIMATE.start_main_~i~4 336), 148189#(<= ULTIMATE.start_main_~i~4 338), 148194#(<= ULTIMATE.start_main_~i~4 348), 148195#(<= ULTIMATE.start_main_~i~4 350), 148192#(<= ULTIMATE.start_main_~i~4 344), 148193#(<= ULTIMATE.start_main_~i~4 346), 148198#(<= ULTIMATE.start_main_~i~4 356), 148196#(<= ULTIMATE.start_main_~i~4 352), 148197#(<= ULTIMATE.start_main_~i~4 354)] [2018-07-23 13:46:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 31862 backedges. 0 proven. 31862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,520 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:46:37,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:46:37,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:46:37,523 INFO L87 Difference]: Start difference. First operand 361 states and 361 transitions. Second operand 181 states. [2018-07-23 13:46:38,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:38,823 INFO L93 Difference]: Finished difference Result 365 states and 365 transitions. [2018-07-23 13:46:38,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:46:38,824 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 360 [2018-07-23 13:46:38,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:38,824 INFO L225 Difference]: With dead ends: 365 [2018-07-23 13:46:38,824 INFO L226 Difference]: Without dead ends: 363 [2018-07-23 13:46:38,826 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:46:38,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-07-23 13:46:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-07-23 13:46:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-07-23 13:46:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 363 transitions. [2018-07-23 13:46:38,829 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 363 transitions. Word has length 360 [2018-07-23 13:46:38,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:38,830 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 363 transitions. [2018-07-23 13:46:38,830 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:46:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 363 transitions. [2018-07-23 13:46:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-07-23 13:46:38,831 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:38,831 INFO L357 BasicCegarLoop]: trace histogram [180, 179, 1, 1, 1] [2018-07-23 13:46:38,831 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash -158756523, now seen corresponding path program 179 times [2018-07-23 13:46:38,831 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 32220 backedges. 0 proven. 32220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,821 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:39,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:46:39,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,822 INFO L185 omatonBuilderFactory]: Interpolants [149762#(<= ULTIMATE.start_main_~i~4 210), 149763#(<= ULTIMATE.start_main_~i~4 212), 149760#(<= ULTIMATE.start_main_~i~4 206), 149761#(<= ULTIMATE.start_main_~i~4 208), 149766#(<= ULTIMATE.start_main_~i~4 218), 149767#(<= ULTIMATE.start_main_~i~4 220), 149764#(<= ULTIMATE.start_main_~i~4 214), 149765#(<= ULTIMATE.start_main_~i~4 216), 149770#(<= ULTIMATE.start_main_~i~4 226), 149771#(<= ULTIMATE.start_main_~i~4 228), 149768#(<= ULTIMATE.start_main_~i~4 222), 149769#(<= ULTIMATE.start_main_~i~4 224), 149774#(<= ULTIMATE.start_main_~i~4 234), 149775#(<= ULTIMATE.start_main_~i~4 236), 149772#(<= ULTIMATE.start_main_~i~4 230), 149773#(<= ULTIMATE.start_main_~i~4 232), 149778#(<= ULTIMATE.start_main_~i~4 242), 149779#(<= ULTIMATE.start_main_~i~4 244), 149776#(<= ULTIMATE.start_main_~i~4 238), 149777#(<= ULTIMATE.start_main_~i~4 240), 149782#(<= ULTIMATE.start_main_~i~4 250), 149783#(<= ULTIMATE.start_main_~i~4 252), 149780#(<= ULTIMATE.start_main_~i~4 246), 149781#(<= ULTIMATE.start_main_~i~4 248), 149786#(<= ULTIMATE.start_main_~i~4 258), 149787#(<= ULTIMATE.start_main_~i~4 260), 149784#(<= ULTIMATE.start_main_~i~4 254), 149785#(<= ULTIMATE.start_main_~i~4 256), 149790#(<= ULTIMATE.start_main_~i~4 266), 149791#(<= ULTIMATE.start_main_~i~4 268), 149788#(<= ULTIMATE.start_main_~i~4 262), 149789#(<= ULTIMATE.start_main_~i~4 264), 149794#(<= ULTIMATE.start_main_~i~4 274), 149795#(<= ULTIMATE.start_main_~i~4 276), 149792#(<= ULTIMATE.start_main_~i~4 270), 149793#(<= ULTIMATE.start_main_~i~4 272), 149798#(<= ULTIMATE.start_main_~i~4 282), 149799#(<= ULTIMATE.start_main_~i~4 284), 149796#(<= ULTIMATE.start_main_~i~4 278), 149797#(<= ULTIMATE.start_main_~i~4 280), 149802#(<= ULTIMATE.start_main_~i~4 290), 149803#(<= ULTIMATE.start_main_~i~4 292), 149800#(<= ULTIMATE.start_main_~i~4 286), 149801#(<= ULTIMATE.start_main_~i~4 288), 149806#(<= ULTIMATE.start_main_~i~4 298), 149807#(<= ULTIMATE.start_main_~i~4 300), 149804#(<= ULTIMATE.start_main_~i~4 294), 149805#(<= ULTIMATE.start_main_~i~4 296), 149810#(<= ULTIMATE.start_main_~i~4 306), 149811#(<= ULTIMATE.start_main_~i~4 308), 149808#(<= ULTIMATE.start_main_~i~4 302), 149809#(<= ULTIMATE.start_main_~i~4 304), 149814#(<= ULTIMATE.start_main_~i~4 314), 149815#(<= ULTIMATE.start_main_~i~4 316), 149812#(<= ULTIMATE.start_main_~i~4 310), 149813#(<= ULTIMATE.start_main_~i~4 312), 149818#(<= ULTIMATE.start_main_~i~4 322), 149819#(<= ULTIMATE.start_main_~i~4 324), 149816#(<= ULTIMATE.start_main_~i~4 318), 149817#(<= ULTIMATE.start_main_~i~4 320), 149822#(<= ULTIMATE.start_main_~i~4 330), 149823#(<= ULTIMATE.start_main_~i~4 332), 149820#(<= ULTIMATE.start_main_~i~4 326), 149821#(<= ULTIMATE.start_main_~i~4 328), 149826#(<= ULTIMATE.start_main_~i~4 338), 149827#(<= ULTIMATE.start_main_~i~4 340), 149824#(<= ULTIMATE.start_main_~i~4 334), 149825#(<= ULTIMATE.start_main_~i~4 336), 149830#(<= ULTIMATE.start_main_~i~4 346), 149831#(<= ULTIMATE.start_main_~i~4 348), 149828#(<= ULTIMATE.start_main_~i~4 342), 149829#(<= ULTIMATE.start_main_~i~4 344), 149834#(<= ULTIMATE.start_main_~i~4 354), 149835#(<= ULTIMATE.start_main_~i~4 356), 149832#(<= ULTIMATE.start_main_~i~4 350), 149833#(<= ULTIMATE.start_main_~i~4 352), 149836#(<= ULTIMATE.start_main_~i~4 358), 149655#true, 149658#(<= ULTIMATE.start_main_~i~4 2), 149659#(<= ULTIMATE.start_main_~i~4 4), 149656#false, 149657#(<= ULTIMATE.start_main_~i~4 0), 149662#(<= ULTIMATE.start_main_~i~4 10), 149663#(<= ULTIMATE.start_main_~i~4 12), 149660#(<= ULTIMATE.start_main_~i~4 6), 149661#(<= ULTIMATE.start_main_~i~4 8), 149666#(<= ULTIMATE.start_main_~i~4 18), 149667#(<= ULTIMATE.start_main_~i~4 20), 149664#(<= ULTIMATE.start_main_~i~4 14), 149665#(<= ULTIMATE.start_main_~i~4 16), 149670#(<= ULTIMATE.start_main_~i~4 26), 149671#(<= ULTIMATE.start_main_~i~4 28), 149668#(<= ULTIMATE.start_main_~i~4 22), 149669#(<= ULTIMATE.start_main_~i~4 24), 149674#(<= ULTIMATE.start_main_~i~4 34), 149675#(<= ULTIMATE.start_main_~i~4 36), 149672#(<= ULTIMATE.start_main_~i~4 30), 149673#(<= ULTIMATE.start_main_~i~4 32), 149678#(<= ULTIMATE.start_main_~i~4 42), 149679#(<= ULTIMATE.start_main_~i~4 44), 149676#(<= ULTIMATE.start_main_~i~4 38), 149677#(<= ULTIMATE.start_main_~i~4 40), 149682#(<= ULTIMATE.start_main_~i~4 50), 149683#(<= ULTIMATE.start_main_~i~4 52), 149680#(<= ULTIMATE.start_main_~i~4 46), 149681#(<= ULTIMATE.start_main_~i~4 48), 149686#(<= ULTIMATE.start_main_~i~4 58), 149687#(<= ULTIMATE.start_main_~i~4 60), 149684#(<= ULTIMATE.start_main_~i~4 54), 149685#(<= ULTIMATE.start_main_~i~4 56), 149690#(<= ULTIMATE.start_main_~i~4 66), 149691#(<= ULTIMATE.start_main_~i~4 68), 149688#(<= ULTIMATE.start_main_~i~4 62), 149689#(<= ULTIMATE.start_main_~i~4 64), 149694#(<= ULTIMATE.start_main_~i~4 74), 149695#(<= ULTIMATE.start_main_~i~4 76), 149692#(<= ULTIMATE.start_main_~i~4 70), 149693#(<= ULTIMATE.start_main_~i~4 72), 149698#(<= ULTIMATE.start_main_~i~4 82), 149699#(<= ULTIMATE.start_main_~i~4 84), 149696#(<= ULTIMATE.start_main_~i~4 78), 149697#(<= ULTIMATE.start_main_~i~4 80), 149702#(<= ULTIMATE.start_main_~i~4 90), 149703#(<= ULTIMATE.start_main_~i~4 92), 149700#(<= ULTIMATE.start_main_~i~4 86), 149701#(<= ULTIMATE.start_main_~i~4 88), 149706#(<= ULTIMATE.start_main_~i~4 98), 149707#(<= ULTIMATE.start_main_~i~4 100), 149704#(<= ULTIMATE.start_main_~i~4 94), 149705#(<= ULTIMATE.start_main_~i~4 96), 149710#(<= ULTIMATE.start_main_~i~4 106), 149711#(<= ULTIMATE.start_main_~i~4 108), 149708#(<= ULTIMATE.start_main_~i~4 102), 149709#(<= ULTIMATE.start_main_~i~4 104), 149714#(<= ULTIMATE.start_main_~i~4 114), 149715#(<= ULTIMATE.start_main_~i~4 116), 149712#(<= ULTIMATE.start_main_~i~4 110), 149713#(<= ULTIMATE.start_main_~i~4 112), 149718#(<= ULTIMATE.start_main_~i~4 122), 149719#(<= ULTIMATE.start_main_~i~4 124), 149716#(<= ULTIMATE.start_main_~i~4 118), 149717#(<= ULTIMATE.start_main_~i~4 120), 149722#(<= ULTIMATE.start_main_~i~4 130), 149723#(<= ULTIMATE.start_main_~i~4 132), 149720#(<= ULTIMATE.start_main_~i~4 126), 149721#(<= ULTIMATE.start_main_~i~4 128), 149726#(<= ULTIMATE.start_main_~i~4 138), 149727#(<= ULTIMATE.start_main_~i~4 140), 149724#(<= ULTIMATE.start_main_~i~4 134), 149725#(<= ULTIMATE.start_main_~i~4 136), 149730#(<= ULTIMATE.start_main_~i~4 146), 149731#(<= ULTIMATE.start_main_~i~4 148), 149728#(<= ULTIMATE.start_main_~i~4 142), 149729#(<= ULTIMATE.start_main_~i~4 144), 149734#(<= ULTIMATE.start_main_~i~4 154), 149735#(<= ULTIMATE.start_main_~i~4 156), 149732#(<= ULTIMATE.start_main_~i~4 150), 149733#(<= ULTIMATE.start_main_~i~4 152), 149738#(<= ULTIMATE.start_main_~i~4 162), 149739#(<= ULTIMATE.start_main_~i~4 164), 149736#(<= ULTIMATE.start_main_~i~4 158), 149737#(<= ULTIMATE.start_main_~i~4 160), 149742#(<= ULTIMATE.start_main_~i~4 170), 149743#(<= ULTIMATE.start_main_~i~4 172), 149740#(<= ULTIMATE.start_main_~i~4 166), 149741#(<= ULTIMATE.start_main_~i~4 168), 149746#(<= ULTIMATE.start_main_~i~4 178), 149747#(<= ULTIMATE.start_main_~i~4 180), 149744#(<= ULTIMATE.start_main_~i~4 174), 149745#(<= ULTIMATE.start_main_~i~4 176), 149750#(<= ULTIMATE.start_main_~i~4 186), 149751#(<= ULTIMATE.start_main_~i~4 188), 149748#(<= ULTIMATE.start_main_~i~4 182), 149749#(<= ULTIMATE.start_main_~i~4 184), 149754#(<= ULTIMATE.start_main_~i~4 194), 149755#(<= ULTIMATE.start_main_~i~4 196), 149752#(<= ULTIMATE.start_main_~i~4 190), 149753#(<= ULTIMATE.start_main_~i~4 192), 149758#(<= ULTIMATE.start_main_~i~4 202), 149759#(<= ULTIMATE.start_main_~i~4 204), 149756#(<= ULTIMATE.start_main_~i~4 198), 149757#(<= ULTIMATE.start_main_~i~4 200)] [2018-07-23 13:46:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 32220 backedges. 0 proven. 32220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,824 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:46:39,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:46:39,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:46:39,828 INFO L87 Difference]: Start difference. First operand 363 states and 363 transitions. Second operand 182 states. [2018-07-23 13:46:40,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:40,215 INFO L93 Difference]: Finished difference Result 367 states and 367 transitions. [2018-07-23 13:46:40,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:46:40,215 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 362 [2018-07-23 13:46:40,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:40,216 INFO L225 Difference]: With dead ends: 367 [2018-07-23 13:46:40,216 INFO L226 Difference]: Without dead ends: 365 [2018-07-23 13:46:40,217 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:46:40,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-07-23 13:46:40,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2018-07-23 13:46:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-07-23 13:46:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 365 transitions. [2018-07-23 13:46:40,221 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 365 transitions. Word has length 362 [2018-07-23 13:46:40,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:40,221 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 365 transitions. [2018-07-23 13:46:40,221 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:46:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 365 transitions. [2018-07-23 13:46:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-07-23 13:46:40,222 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:40,222 INFO L357 BasicCegarLoop]: trace histogram [181, 180, 1, 1, 1] [2018-07-23 13:46:40,223 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:40,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2053856143, now seen corresponding path program 180 times [2018-07-23 13:46:40,223 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 32580 backedges. 0 proven. 32580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:41,148 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:41,148 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:46:41,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:41,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:41,149 INFO L185 omatonBuilderFactory]: Interpolants [151302#false, 151303#(<= ULTIMATE.start_main_~i~4 0), 151301#true, 151306#(<= ULTIMATE.start_main_~i~4 6), 151307#(<= ULTIMATE.start_main_~i~4 8), 151304#(<= ULTIMATE.start_main_~i~4 2), 151305#(<= ULTIMATE.start_main_~i~4 4), 151310#(<= ULTIMATE.start_main_~i~4 14), 151311#(<= ULTIMATE.start_main_~i~4 16), 151308#(<= ULTIMATE.start_main_~i~4 10), 151309#(<= ULTIMATE.start_main_~i~4 12), 151314#(<= ULTIMATE.start_main_~i~4 22), 151315#(<= ULTIMATE.start_main_~i~4 24), 151312#(<= ULTIMATE.start_main_~i~4 18), 151313#(<= ULTIMATE.start_main_~i~4 20), 151318#(<= ULTIMATE.start_main_~i~4 30), 151319#(<= ULTIMATE.start_main_~i~4 32), 151316#(<= ULTIMATE.start_main_~i~4 26), 151317#(<= ULTIMATE.start_main_~i~4 28), 151322#(<= ULTIMATE.start_main_~i~4 38), 151323#(<= ULTIMATE.start_main_~i~4 40), 151320#(<= ULTIMATE.start_main_~i~4 34), 151321#(<= ULTIMATE.start_main_~i~4 36), 151326#(<= ULTIMATE.start_main_~i~4 46), 151327#(<= ULTIMATE.start_main_~i~4 48), 151324#(<= ULTIMATE.start_main_~i~4 42), 151325#(<= ULTIMATE.start_main_~i~4 44), 151330#(<= ULTIMATE.start_main_~i~4 54), 151331#(<= ULTIMATE.start_main_~i~4 56), 151328#(<= ULTIMATE.start_main_~i~4 50), 151329#(<= ULTIMATE.start_main_~i~4 52), 151334#(<= ULTIMATE.start_main_~i~4 62), 151335#(<= ULTIMATE.start_main_~i~4 64), 151332#(<= ULTIMATE.start_main_~i~4 58), 151333#(<= ULTIMATE.start_main_~i~4 60), 151338#(<= ULTIMATE.start_main_~i~4 70), 151339#(<= ULTIMATE.start_main_~i~4 72), 151336#(<= ULTIMATE.start_main_~i~4 66), 151337#(<= ULTIMATE.start_main_~i~4 68), 151342#(<= ULTIMATE.start_main_~i~4 78), 151343#(<= ULTIMATE.start_main_~i~4 80), 151340#(<= ULTIMATE.start_main_~i~4 74), 151341#(<= ULTIMATE.start_main_~i~4 76), 151346#(<= ULTIMATE.start_main_~i~4 86), 151347#(<= ULTIMATE.start_main_~i~4 88), 151344#(<= ULTIMATE.start_main_~i~4 82), 151345#(<= ULTIMATE.start_main_~i~4 84), 151350#(<= ULTIMATE.start_main_~i~4 94), 151351#(<= ULTIMATE.start_main_~i~4 96), 151348#(<= ULTIMATE.start_main_~i~4 90), 151349#(<= ULTIMATE.start_main_~i~4 92), 151354#(<= ULTIMATE.start_main_~i~4 102), 151355#(<= ULTIMATE.start_main_~i~4 104), 151352#(<= ULTIMATE.start_main_~i~4 98), 151353#(<= ULTIMATE.start_main_~i~4 100), 151358#(<= ULTIMATE.start_main_~i~4 110), 151359#(<= ULTIMATE.start_main_~i~4 112), 151356#(<= ULTIMATE.start_main_~i~4 106), 151357#(<= ULTIMATE.start_main_~i~4 108), 151362#(<= ULTIMATE.start_main_~i~4 118), 151363#(<= ULTIMATE.start_main_~i~4 120), 151360#(<= ULTIMATE.start_main_~i~4 114), 151361#(<= ULTIMATE.start_main_~i~4 116), 151366#(<= ULTIMATE.start_main_~i~4 126), 151367#(<= ULTIMATE.start_main_~i~4 128), 151364#(<= ULTIMATE.start_main_~i~4 122), 151365#(<= ULTIMATE.start_main_~i~4 124), 151370#(<= ULTIMATE.start_main_~i~4 134), 151371#(<= ULTIMATE.start_main_~i~4 136), 151368#(<= ULTIMATE.start_main_~i~4 130), 151369#(<= ULTIMATE.start_main_~i~4 132), 151374#(<= ULTIMATE.start_main_~i~4 142), 151375#(<= ULTIMATE.start_main_~i~4 144), 151372#(<= ULTIMATE.start_main_~i~4 138), 151373#(<= ULTIMATE.start_main_~i~4 140), 151378#(<= ULTIMATE.start_main_~i~4 150), 151379#(<= ULTIMATE.start_main_~i~4 152), 151376#(<= ULTIMATE.start_main_~i~4 146), 151377#(<= ULTIMATE.start_main_~i~4 148), 151382#(<= ULTIMATE.start_main_~i~4 158), 151383#(<= ULTIMATE.start_main_~i~4 160), 151380#(<= ULTIMATE.start_main_~i~4 154), 151381#(<= ULTIMATE.start_main_~i~4 156), 151386#(<= ULTIMATE.start_main_~i~4 166), 151387#(<= ULTIMATE.start_main_~i~4 168), 151384#(<= ULTIMATE.start_main_~i~4 162), 151385#(<= ULTIMATE.start_main_~i~4 164), 151390#(<= ULTIMATE.start_main_~i~4 174), 151391#(<= ULTIMATE.start_main_~i~4 176), 151388#(<= ULTIMATE.start_main_~i~4 170), 151389#(<= ULTIMATE.start_main_~i~4 172), 151394#(<= ULTIMATE.start_main_~i~4 182), 151395#(<= ULTIMATE.start_main_~i~4 184), 151392#(<= ULTIMATE.start_main_~i~4 178), 151393#(<= ULTIMATE.start_main_~i~4 180), 151398#(<= ULTIMATE.start_main_~i~4 190), 151399#(<= ULTIMATE.start_main_~i~4 192), 151396#(<= ULTIMATE.start_main_~i~4 186), 151397#(<= ULTIMATE.start_main_~i~4 188), 151402#(<= ULTIMATE.start_main_~i~4 198), 151403#(<= ULTIMATE.start_main_~i~4 200), 151400#(<= ULTIMATE.start_main_~i~4 194), 151401#(<= ULTIMATE.start_main_~i~4 196), 151406#(<= ULTIMATE.start_main_~i~4 206), 151407#(<= ULTIMATE.start_main_~i~4 208), 151404#(<= ULTIMATE.start_main_~i~4 202), 151405#(<= ULTIMATE.start_main_~i~4 204), 151410#(<= ULTIMATE.start_main_~i~4 214), 151411#(<= ULTIMATE.start_main_~i~4 216), 151408#(<= ULTIMATE.start_main_~i~4 210), 151409#(<= ULTIMATE.start_main_~i~4 212), 151414#(<= ULTIMATE.start_main_~i~4 222), 151415#(<= ULTIMATE.start_main_~i~4 224), 151412#(<= ULTIMATE.start_main_~i~4 218), 151413#(<= ULTIMATE.start_main_~i~4 220), 151418#(<= ULTIMATE.start_main_~i~4 230), 151419#(<= ULTIMATE.start_main_~i~4 232), 151416#(<= ULTIMATE.start_main_~i~4 226), 151417#(<= ULTIMATE.start_main_~i~4 228), 151422#(<= ULTIMATE.start_main_~i~4 238), 151423#(<= ULTIMATE.start_main_~i~4 240), 151420#(<= ULTIMATE.start_main_~i~4 234), 151421#(<= ULTIMATE.start_main_~i~4 236), 151426#(<= ULTIMATE.start_main_~i~4 246), 151427#(<= ULTIMATE.start_main_~i~4 248), 151424#(<= ULTIMATE.start_main_~i~4 242), 151425#(<= ULTIMATE.start_main_~i~4 244), 151430#(<= ULTIMATE.start_main_~i~4 254), 151431#(<= ULTIMATE.start_main_~i~4 256), 151428#(<= ULTIMATE.start_main_~i~4 250), 151429#(<= ULTIMATE.start_main_~i~4 252), 151434#(<= ULTIMATE.start_main_~i~4 262), 151435#(<= ULTIMATE.start_main_~i~4 264), 151432#(<= ULTIMATE.start_main_~i~4 258), 151433#(<= ULTIMATE.start_main_~i~4 260), 151438#(<= ULTIMATE.start_main_~i~4 270), 151439#(<= ULTIMATE.start_main_~i~4 272), 151436#(<= ULTIMATE.start_main_~i~4 266), 151437#(<= ULTIMATE.start_main_~i~4 268), 151442#(<= ULTIMATE.start_main_~i~4 278), 151443#(<= ULTIMATE.start_main_~i~4 280), 151440#(<= ULTIMATE.start_main_~i~4 274), 151441#(<= ULTIMATE.start_main_~i~4 276), 151446#(<= ULTIMATE.start_main_~i~4 286), 151447#(<= ULTIMATE.start_main_~i~4 288), 151444#(<= ULTIMATE.start_main_~i~4 282), 151445#(<= ULTIMATE.start_main_~i~4 284), 151450#(<= ULTIMATE.start_main_~i~4 294), 151451#(<= ULTIMATE.start_main_~i~4 296), 151448#(<= ULTIMATE.start_main_~i~4 290), 151449#(<= ULTIMATE.start_main_~i~4 292), 151454#(<= ULTIMATE.start_main_~i~4 302), 151455#(<= ULTIMATE.start_main_~i~4 304), 151452#(<= ULTIMATE.start_main_~i~4 298), 151453#(<= ULTIMATE.start_main_~i~4 300), 151458#(<= ULTIMATE.start_main_~i~4 310), 151459#(<= ULTIMATE.start_main_~i~4 312), 151456#(<= ULTIMATE.start_main_~i~4 306), 151457#(<= ULTIMATE.start_main_~i~4 308), 151462#(<= ULTIMATE.start_main_~i~4 318), 151463#(<= ULTIMATE.start_main_~i~4 320), 151460#(<= ULTIMATE.start_main_~i~4 314), 151461#(<= ULTIMATE.start_main_~i~4 316), 151466#(<= ULTIMATE.start_main_~i~4 326), 151467#(<= ULTIMATE.start_main_~i~4 328), 151464#(<= ULTIMATE.start_main_~i~4 322), 151465#(<= ULTIMATE.start_main_~i~4 324), 151470#(<= ULTIMATE.start_main_~i~4 334), 151471#(<= ULTIMATE.start_main_~i~4 336), 151468#(<= ULTIMATE.start_main_~i~4 330), 151469#(<= ULTIMATE.start_main_~i~4 332), 151474#(<= ULTIMATE.start_main_~i~4 342), 151475#(<= ULTIMATE.start_main_~i~4 344), 151472#(<= ULTIMATE.start_main_~i~4 338), 151473#(<= ULTIMATE.start_main_~i~4 340), 151478#(<= ULTIMATE.start_main_~i~4 350), 151479#(<= ULTIMATE.start_main_~i~4 352), 151476#(<= ULTIMATE.start_main_~i~4 346), 151477#(<= ULTIMATE.start_main_~i~4 348), 151482#(<= ULTIMATE.start_main_~i~4 358), 151483#(<= ULTIMATE.start_main_~i~4 360), 151480#(<= ULTIMATE.start_main_~i~4 354), 151481#(<= ULTIMATE.start_main_~i~4 356)] [2018-07-23 13:46:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 32580 backedges. 0 proven. 32580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:41,151 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:46:41,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:46:41,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:46:41,154 INFO L87 Difference]: Start difference. First operand 365 states and 365 transitions. Second operand 183 states. [2018-07-23 13:46:42,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:42,629 INFO L93 Difference]: Finished difference Result 369 states and 369 transitions. [2018-07-23 13:46:42,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:46:42,629 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 364 [2018-07-23 13:46:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:42,630 INFO L225 Difference]: With dead ends: 369 [2018-07-23 13:46:42,630 INFO L226 Difference]: Without dead ends: 367 [2018-07-23 13:46:42,631 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:46:42,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-07-23 13:46:42,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-07-23 13:46:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-07-23 13:46:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 367 transitions. [2018-07-23 13:46:42,635 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 367 transitions. Word has length 364 [2018-07-23 13:46:42,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:42,635 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 367 transitions. [2018-07-23 13:46:42,635 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:46:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 367 transitions. [2018-07-23 13:46:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-07-23 13:46:42,636 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:42,636 INFO L357 BasicCegarLoop]: trace histogram [182, 181, 1, 1, 1] [2018-07-23 13:46:42,636 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:42,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1929150647, now seen corresponding path program 181 times [2018-07-23 13:46:42,637 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:43,592 INFO L134 CoverageAnalysis]: Checked inductivity of 32942 backedges. 0 proven. 32942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,592 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:43,593 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:46:43,593 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,593 INFO L185 omatonBuilderFactory]: Interpolants [153090#(<= ULTIMATE.start_main_~i~4 264), 153091#(<= ULTIMATE.start_main_~i~4 266), 153088#(<= ULTIMATE.start_main_~i~4 260), 153089#(<= ULTIMATE.start_main_~i~4 262), 153094#(<= ULTIMATE.start_main_~i~4 272), 153095#(<= ULTIMATE.start_main_~i~4 274), 153092#(<= ULTIMATE.start_main_~i~4 268), 153093#(<= ULTIMATE.start_main_~i~4 270), 153098#(<= ULTIMATE.start_main_~i~4 280), 153099#(<= ULTIMATE.start_main_~i~4 282), 153096#(<= ULTIMATE.start_main_~i~4 276), 153097#(<= ULTIMATE.start_main_~i~4 278), 153102#(<= ULTIMATE.start_main_~i~4 288), 153103#(<= ULTIMATE.start_main_~i~4 290), 153100#(<= ULTIMATE.start_main_~i~4 284), 153101#(<= ULTIMATE.start_main_~i~4 286), 153106#(<= ULTIMATE.start_main_~i~4 296), 153107#(<= ULTIMATE.start_main_~i~4 298), 153104#(<= ULTIMATE.start_main_~i~4 292), 153105#(<= ULTIMATE.start_main_~i~4 294), 153110#(<= ULTIMATE.start_main_~i~4 304), 153111#(<= ULTIMATE.start_main_~i~4 306), 153108#(<= ULTIMATE.start_main_~i~4 300), 153109#(<= ULTIMATE.start_main_~i~4 302), 153114#(<= ULTIMATE.start_main_~i~4 312), 153115#(<= ULTIMATE.start_main_~i~4 314), 153112#(<= ULTIMATE.start_main_~i~4 308), 153113#(<= ULTIMATE.start_main_~i~4 310), 153118#(<= ULTIMATE.start_main_~i~4 320), 153119#(<= ULTIMATE.start_main_~i~4 322), 153116#(<= ULTIMATE.start_main_~i~4 316), 153117#(<= ULTIMATE.start_main_~i~4 318), 153122#(<= ULTIMATE.start_main_~i~4 328), 153123#(<= ULTIMATE.start_main_~i~4 330), 153120#(<= ULTIMATE.start_main_~i~4 324), 153121#(<= ULTIMATE.start_main_~i~4 326), 153126#(<= ULTIMATE.start_main_~i~4 336), 153127#(<= ULTIMATE.start_main_~i~4 338), 153124#(<= ULTIMATE.start_main_~i~4 332), 153125#(<= ULTIMATE.start_main_~i~4 334), 153130#(<= ULTIMATE.start_main_~i~4 344), 153131#(<= ULTIMATE.start_main_~i~4 346), 153128#(<= ULTIMATE.start_main_~i~4 340), 153129#(<= ULTIMATE.start_main_~i~4 342), 153134#(<= ULTIMATE.start_main_~i~4 352), 153135#(<= ULTIMATE.start_main_~i~4 354), 153132#(<= ULTIMATE.start_main_~i~4 348), 153133#(<= ULTIMATE.start_main_~i~4 350), 153138#(<= ULTIMATE.start_main_~i~4 360), 153139#(<= ULTIMATE.start_main_~i~4 362), 153136#(<= ULTIMATE.start_main_~i~4 356), 153137#(<= ULTIMATE.start_main_~i~4 358), 152958#(<= ULTIMATE.start_main_~i~4 0), 152959#(<= ULTIMATE.start_main_~i~4 2), 152956#true, 152957#false, 152962#(<= ULTIMATE.start_main_~i~4 8), 152963#(<= ULTIMATE.start_main_~i~4 10), 152960#(<= ULTIMATE.start_main_~i~4 4), 152961#(<= ULTIMATE.start_main_~i~4 6), 152966#(<= ULTIMATE.start_main_~i~4 16), 152967#(<= ULTIMATE.start_main_~i~4 18), 152964#(<= ULTIMATE.start_main_~i~4 12), 152965#(<= ULTIMATE.start_main_~i~4 14), 152970#(<= ULTIMATE.start_main_~i~4 24), 152971#(<= ULTIMATE.start_main_~i~4 26), 152968#(<= ULTIMATE.start_main_~i~4 20), 152969#(<= ULTIMATE.start_main_~i~4 22), 152974#(<= ULTIMATE.start_main_~i~4 32), 152975#(<= ULTIMATE.start_main_~i~4 34), 152972#(<= ULTIMATE.start_main_~i~4 28), 152973#(<= ULTIMATE.start_main_~i~4 30), 152978#(<= ULTIMATE.start_main_~i~4 40), 152979#(<= ULTIMATE.start_main_~i~4 42), 152976#(<= ULTIMATE.start_main_~i~4 36), 152977#(<= ULTIMATE.start_main_~i~4 38), 152982#(<= ULTIMATE.start_main_~i~4 48), 152983#(<= ULTIMATE.start_main_~i~4 50), 152980#(<= ULTIMATE.start_main_~i~4 44), 152981#(<= ULTIMATE.start_main_~i~4 46), 152986#(<= ULTIMATE.start_main_~i~4 56), 152987#(<= ULTIMATE.start_main_~i~4 58), 152984#(<= ULTIMATE.start_main_~i~4 52), 152985#(<= ULTIMATE.start_main_~i~4 54), 152990#(<= ULTIMATE.start_main_~i~4 64), 152991#(<= ULTIMATE.start_main_~i~4 66), 152988#(<= ULTIMATE.start_main_~i~4 60), 152989#(<= ULTIMATE.start_main_~i~4 62), 152994#(<= ULTIMATE.start_main_~i~4 72), 152995#(<= ULTIMATE.start_main_~i~4 74), 152992#(<= ULTIMATE.start_main_~i~4 68), 152993#(<= ULTIMATE.start_main_~i~4 70), 152998#(<= ULTIMATE.start_main_~i~4 80), 152999#(<= ULTIMATE.start_main_~i~4 82), 152996#(<= ULTIMATE.start_main_~i~4 76), 152997#(<= ULTIMATE.start_main_~i~4 78), 153002#(<= ULTIMATE.start_main_~i~4 88), 153003#(<= ULTIMATE.start_main_~i~4 90), 153000#(<= ULTIMATE.start_main_~i~4 84), 153001#(<= ULTIMATE.start_main_~i~4 86), 153006#(<= ULTIMATE.start_main_~i~4 96), 153007#(<= ULTIMATE.start_main_~i~4 98), 153004#(<= ULTIMATE.start_main_~i~4 92), 153005#(<= ULTIMATE.start_main_~i~4 94), 153010#(<= ULTIMATE.start_main_~i~4 104), 153011#(<= ULTIMATE.start_main_~i~4 106), 153008#(<= ULTIMATE.start_main_~i~4 100), 153009#(<= ULTIMATE.start_main_~i~4 102), 153014#(<= ULTIMATE.start_main_~i~4 112), 153015#(<= ULTIMATE.start_main_~i~4 114), 153012#(<= ULTIMATE.start_main_~i~4 108), 153013#(<= ULTIMATE.start_main_~i~4 110), 153018#(<= ULTIMATE.start_main_~i~4 120), 153019#(<= ULTIMATE.start_main_~i~4 122), 153016#(<= ULTIMATE.start_main_~i~4 116), 153017#(<= ULTIMATE.start_main_~i~4 118), 153022#(<= ULTIMATE.start_main_~i~4 128), 153023#(<= ULTIMATE.start_main_~i~4 130), 153020#(<= ULTIMATE.start_main_~i~4 124), 153021#(<= ULTIMATE.start_main_~i~4 126), 153026#(<= ULTIMATE.start_main_~i~4 136), 153027#(<= ULTIMATE.start_main_~i~4 138), 153024#(<= ULTIMATE.start_main_~i~4 132), 153025#(<= ULTIMATE.start_main_~i~4 134), 153030#(<= ULTIMATE.start_main_~i~4 144), 153031#(<= ULTIMATE.start_main_~i~4 146), 153028#(<= ULTIMATE.start_main_~i~4 140), 153029#(<= ULTIMATE.start_main_~i~4 142), 153034#(<= ULTIMATE.start_main_~i~4 152), 153035#(<= ULTIMATE.start_main_~i~4 154), 153032#(<= ULTIMATE.start_main_~i~4 148), 153033#(<= ULTIMATE.start_main_~i~4 150), 153038#(<= ULTIMATE.start_main_~i~4 160), 153039#(<= ULTIMATE.start_main_~i~4 162), 153036#(<= ULTIMATE.start_main_~i~4 156), 153037#(<= ULTIMATE.start_main_~i~4 158), 153042#(<= ULTIMATE.start_main_~i~4 168), 153043#(<= ULTIMATE.start_main_~i~4 170), 153040#(<= ULTIMATE.start_main_~i~4 164), 153041#(<= ULTIMATE.start_main_~i~4 166), 153046#(<= ULTIMATE.start_main_~i~4 176), 153047#(<= ULTIMATE.start_main_~i~4 178), 153044#(<= ULTIMATE.start_main_~i~4 172), 153045#(<= ULTIMATE.start_main_~i~4 174), 153050#(<= ULTIMATE.start_main_~i~4 184), 153051#(<= ULTIMATE.start_main_~i~4 186), 153048#(<= ULTIMATE.start_main_~i~4 180), 153049#(<= ULTIMATE.start_main_~i~4 182), 153054#(<= ULTIMATE.start_main_~i~4 192), 153055#(<= ULTIMATE.start_main_~i~4 194), 153052#(<= ULTIMATE.start_main_~i~4 188), 153053#(<= ULTIMATE.start_main_~i~4 190), 153058#(<= ULTIMATE.start_main_~i~4 200), 153059#(<= ULTIMATE.start_main_~i~4 202), 153056#(<= ULTIMATE.start_main_~i~4 196), 153057#(<= ULTIMATE.start_main_~i~4 198), 153062#(<= ULTIMATE.start_main_~i~4 208), 153063#(<= ULTIMATE.start_main_~i~4 210), 153060#(<= ULTIMATE.start_main_~i~4 204), 153061#(<= ULTIMATE.start_main_~i~4 206), 153066#(<= ULTIMATE.start_main_~i~4 216), 153067#(<= ULTIMATE.start_main_~i~4 218), 153064#(<= ULTIMATE.start_main_~i~4 212), 153065#(<= ULTIMATE.start_main_~i~4 214), 153070#(<= ULTIMATE.start_main_~i~4 224), 153071#(<= ULTIMATE.start_main_~i~4 226), 153068#(<= ULTIMATE.start_main_~i~4 220), 153069#(<= ULTIMATE.start_main_~i~4 222), 153074#(<= ULTIMATE.start_main_~i~4 232), 153075#(<= ULTIMATE.start_main_~i~4 234), 153072#(<= ULTIMATE.start_main_~i~4 228), 153073#(<= ULTIMATE.start_main_~i~4 230), 153078#(<= ULTIMATE.start_main_~i~4 240), 153079#(<= ULTIMATE.start_main_~i~4 242), 153076#(<= ULTIMATE.start_main_~i~4 236), 153077#(<= ULTIMATE.start_main_~i~4 238), 153082#(<= ULTIMATE.start_main_~i~4 248), 153083#(<= ULTIMATE.start_main_~i~4 250), 153080#(<= ULTIMATE.start_main_~i~4 244), 153081#(<= ULTIMATE.start_main_~i~4 246), 153086#(<= ULTIMATE.start_main_~i~4 256), 153087#(<= ULTIMATE.start_main_~i~4 258), 153084#(<= ULTIMATE.start_main_~i~4 252), 153085#(<= ULTIMATE.start_main_~i~4 254)] [2018-07-23 13:46:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 32942 backedges. 0 proven. 32942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,595 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:46:43,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:46:43,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:46:43,599 INFO L87 Difference]: Start difference. First operand 367 states and 367 transitions. Second operand 184 states. [2018-07-23 13:46:44,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:44,171 INFO L93 Difference]: Finished difference Result 371 states and 371 transitions. [2018-07-23 13:46:44,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:46:44,172 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 366 [2018-07-23 13:46:44,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:44,172 INFO L225 Difference]: With dead ends: 371 [2018-07-23 13:46:44,172 INFO L226 Difference]: Without dead ends: 369 [2018-07-23 13:46:44,174 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:46:44,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-07-23 13:46:44,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2018-07-23 13:46:44,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-07-23 13:46:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 369 transitions. [2018-07-23 13:46:44,177 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 369 transitions. Word has length 366 [2018-07-23 13:46:44,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:44,178 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 369 transitions. [2018-07-23 13:46:44,178 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:46:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 369 transitions. [2018-07-23 13:46:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-07-23 13:46:44,179 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:44,179 INFO L357 BasicCegarLoop]: trace histogram [183, 182, 1, 1, 1] [2018-07-23 13:46:44,179 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:44,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1512152195, now seen corresponding path program 182 times [2018-07-23 13:46:44,179 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 33306 backedges. 0 proven. 33306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:45,286 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:45,286 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:46:45,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:45,287 INFO L185 omatonBuilderFactory]: Interpolants [154626#(<= ULTIMATE.start_main_~i~4 8), 154627#(<= ULTIMATE.start_main_~i~4 10), 154624#(<= ULTIMATE.start_main_~i~4 4), 154625#(<= ULTIMATE.start_main_~i~4 6), 154630#(<= ULTIMATE.start_main_~i~4 16), 154631#(<= ULTIMATE.start_main_~i~4 18), 154628#(<= ULTIMATE.start_main_~i~4 12), 154629#(<= ULTIMATE.start_main_~i~4 14), 154634#(<= ULTIMATE.start_main_~i~4 24), 154635#(<= ULTIMATE.start_main_~i~4 26), 154632#(<= ULTIMATE.start_main_~i~4 20), 154633#(<= ULTIMATE.start_main_~i~4 22), 154638#(<= ULTIMATE.start_main_~i~4 32), 154639#(<= ULTIMATE.start_main_~i~4 34), 154636#(<= ULTIMATE.start_main_~i~4 28), 154637#(<= ULTIMATE.start_main_~i~4 30), 154642#(<= ULTIMATE.start_main_~i~4 40), 154643#(<= ULTIMATE.start_main_~i~4 42), 154640#(<= ULTIMATE.start_main_~i~4 36), 154641#(<= ULTIMATE.start_main_~i~4 38), 154646#(<= ULTIMATE.start_main_~i~4 48), 154647#(<= ULTIMATE.start_main_~i~4 50), 154644#(<= ULTIMATE.start_main_~i~4 44), 154645#(<= ULTIMATE.start_main_~i~4 46), 154650#(<= ULTIMATE.start_main_~i~4 56), 154651#(<= ULTIMATE.start_main_~i~4 58), 154648#(<= ULTIMATE.start_main_~i~4 52), 154649#(<= ULTIMATE.start_main_~i~4 54), 154654#(<= ULTIMATE.start_main_~i~4 64), 154655#(<= ULTIMATE.start_main_~i~4 66), 154652#(<= ULTIMATE.start_main_~i~4 60), 154653#(<= ULTIMATE.start_main_~i~4 62), 154658#(<= ULTIMATE.start_main_~i~4 72), 154659#(<= ULTIMATE.start_main_~i~4 74), 154656#(<= ULTIMATE.start_main_~i~4 68), 154657#(<= ULTIMATE.start_main_~i~4 70), 154662#(<= ULTIMATE.start_main_~i~4 80), 154663#(<= ULTIMATE.start_main_~i~4 82), 154660#(<= ULTIMATE.start_main_~i~4 76), 154661#(<= ULTIMATE.start_main_~i~4 78), 154666#(<= ULTIMATE.start_main_~i~4 88), 154667#(<= ULTIMATE.start_main_~i~4 90), 154664#(<= ULTIMATE.start_main_~i~4 84), 154665#(<= ULTIMATE.start_main_~i~4 86), 154670#(<= ULTIMATE.start_main_~i~4 96), 154671#(<= ULTIMATE.start_main_~i~4 98), 154668#(<= ULTIMATE.start_main_~i~4 92), 154669#(<= ULTIMATE.start_main_~i~4 94), 154674#(<= ULTIMATE.start_main_~i~4 104), 154675#(<= ULTIMATE.start_main_~i~4 106), 154672#(<= ULTIMATE.start_main_~i~4 100), 154673#(<= ULTIMATE.start_main_~i~4 102), 154678#(<= ULTIMATE.start_main_~i~4 112), 154679#(<= ULTIMATE.start_main_~i~4 114), 154676#(<= ULTIMATE.start_main_~i~4 108), 154677#(<= ULTIMATE.start_main_~i~4 110), 154682#(<= ULTIMATE.start_main_~i~4 120), 154683#(<= ULTIMATE.start_main_~i~4 122), 154680#(<= ULTIMATE.start_main_~i~4 116), 154681#(<= ULTIMATE.start_main_~i~4 118), 154686#(<= ULTIMATE.start_main_~i~4 128), 154687#(<= ULTIMATE.start_main_~i~4 130), 154684#(<= ULTIMATE.start_main_~i~4 124), 154685#(<= ULTIMATE.start_main_~i~4 126), 154690#(<= ULTIMATE.start_main_~i~4 136), 154691#(<= ULTIMATE.start_main_~i~4 138), 154688#(<= ULTIMATE.start_main_~i~4 132), 154689#(<= ULTIMATE.start_main_~i~4 134), 154694#(<= ULTIMATE.start_main_~i~4 144), 154695#(<= ULTIMATE.start_main_~i~4 146), 154692#(<= ULTIMATE.start_main_~i~4 140), 154693#(<= ULTIMATE.start_main_~i~4 142), 154698#(<= ULTIMATE.start_main_~i~4 152), 154699#(<= ULTIMATE.start_main_~i~4 154), 154696#(<= ULTIMATE.start_main_~i~4 148), 154697#(<= ULTIMATE.start_main_~i~4 150), 154702#(<= ULTIMATE.start_main_~i~4 160), 154703#(<= ULTIMATE.start_main_~i~4 162), 154700#(<= ULTIMATE.start_main_~i~4 156), 154701#(<= ULTIMATE.start_main_~i~4 158), 154706#(<= ULTIMATE.start_main_~i~4 168), 154707#(<= ULTIMATE.start_main_~i~4 170), 154704#(<= ULTIMATE.start_main_~i~4 164), 154705#(<= ULTIMATE.start_main_~i~4 166), 154710#(<= ULTIMATE.start_main_~i~4 176), 154711#(<= ULTIMATE.start_main_~i~4 178), 154708#(<= ULTIMATE.start_main_~i~4 172), 154709#(<= ULTIMATE.start_main_~i~4 174), 154714#(<= ULTIMATE.start_main_~i~4 184), 154715#(<= ULTIMATE.start_main_~i~4 186), 154712#(<= ULTIMATE.start_main_~i~4 180), 154713#(<= ULTIMATE.start_main_~i~4 182), 154718#(<= ULTIMATE.start_main_~i~4 192), 154719#(<= ULTIMATE.start_main_~i~4 194), 154716#(<= ULTIMATE.start_main_~i~4 188), 154717#(<= ULTIMATE.start_main_~i~4 190), 154722#(<= ULTIMATE.start_main_~i~4 200), 154723#(<= ULTIMATE.start_main_~i~4 202), 154720#(<= ULTIMATE.start_main_~i~4 196), 154721#(<= ULTIMATE.start_main_~i~4 198), 154726#(<= ULTIMATE.start_main_~i~4 208), 154727#(<= ULTIMATE.start_main_~i~4 210), 154724#(<= ULTIMATE.start_main_~i~4 204), 154725#(<= ULTIMATE.start_main_~i~4 206), 154730#(<= ULTIMATE.start_main_~i~4 216), 154731#(<= ULTIMATE.start_main_~i~4 218), 154728#(<= ULTIMATE.start_main_~i~4 212), 154729#(<= ULTIMATE.start_main_~i~4 214), 154734#(<= ULTIMATE.start_main_~i~4 224), 154735#(<= ULTIMATE.start_main_~i~4 226), 154732#(<= ULTIMATE.start_main_~i~4 220), 154733#(<= ULTIMATE.start_main_~i~4 222), 154738#(<= ULTIMATE.start_main_~i~4 232), 154739#(<= ULTIMATE.start_main_~i~4 234), 154736#(<= ULTIMATE.start_main_~i~4 228), 154737#(<= ULTIMATE.start_main_~i~4 230), 154742#(<= ULTIMATE.start_main_~i~4 240), 154743#(<= ULTIMATE.start_main_~i~4 242), 154740#(<= ULTIMATE.start_main_~i~4 236), 154741#(<= ULTIMATE.start_main_~i~4 238), 154746#(<= ULTIMATE.start_main_~i~4 248), 154747#(<= ULTIMATE.start_main_~i~4 250), 154744#(<= ULTIMATE.start_main_~i~4 244), 154745#(<= ULTIMATE.start_main_~i~4 246), 154750#(<= ULTIMATE.start_main_~i~4 256), 154751#(<= ULTIMATE.start_main_~i~4 258), 154748#(<= ULTIMATE.start_main_~i~4 252), 154749#(<= ULTIMATE.start_main_~i~4 254), 154754#(<= ULTIMATE.start_main_~i~4 264), 154755#(<= ULTIMATE.start_main_~i~4 266), 154752#(<= ULTIMATE.start_main_~i~4 260), 154753#(<= ULTIMATE.start_main_~i~4 262), 154758#(<= ULTIMATE.start_main_~i~4 272), 154759#(<= ULTIMATE.start_main_~i~4 274), 154756#(<= ULTIMATE.start_main_~i~4 268), 154757#(<= ULTIMATE.start_main_~i~4 270), 154762#(<= ULTIMATE.start_main_~i~4 280), 154763#(<= ULTIMATE.start_main_~i~4 282), 154760#(<= ULTIMATE.start_main_~i~4 276), 154761#(<= ULTIMATE.start_main_~i~4 278), 154766#(<= ULTIMATE.start_main_~i~4 288), 154767#(<= ULTIMATE.start_main_~i~4 290), 154764#(<= ULTIMATE.start_main_~i~4 284), 154765#(<= ULTIMATE.start_main_~i~4 286), 154770#(<= ULTIMATE.start_main_~i~4 296), 154771#(<= ULTIMATE.start_main_~i~4 298), 154768#(<= ULTIMATE.start_main_~i~4 292), 154769#(<= ULTIMATE.start_main_~i~4 294), 154774#(<= ULTIMATE.start_main_~i~4 304), 154775#(<= ULTIMATE.start_main_~i~4 306), 154772#(<= ULTIMATE.start_main_~i~4 300), 154773#(<= ULTIMATE.start_main_~i~4 302), 154778#(<= ULTIMATE.start_main_~i~4 312), 154779#(<= ULTIMATE.start_main_~i~4 314), 154776#(<= ULTIMATE.start_main_~i~4 308), 154777#(<= ULTIMATE.start_main_~i~4 310), 154782#(<= ULTIMATE.start_main_~i~4 320), 154783#(<= ULTIMATE.start_main_~i~4 322), 154780#(<= ULTIMATE.start_main_~i~4 316), 154781#(<= ULTIMATE.start_main_~i~4 318), 154786#(<= ULTIMATE.start_main_~i~4 328), 154787#(<= ULTIMATE.start_main_~i~4 330), 154784#(<= ULTIMATE.start_main_~i~4 324), 154785#(<= ULTIMATE.start_main_~i~4 326), 154790#(<= ULTIMATE.start_main_~i~4 336), 154791#(<= ULTIMATE.start_main_~i~4 338), 154788#(<= ULTIMATE.start_main_~i~4 332), 154789#(<= ULTIMATE.start_main_~i~4 334), 154794#(<= ULTIMATE.start_main_~i~4 344), 154795#(<= ULTIMATE.start_main_~i~4 346), 154792#(<= ULTIMATE.start_main_~i~4 340), 154793#(<= ULTIMATE.start_main_~i~4 342), 154798#(<= ULTIMATE.start_main_~i~4 352), 154799#(<= ULTIMATE.start_main_~i~4 354), 154796#(<= ULTIMATE.start_main_~i~4 348), 154797#(<= ULTIMATE.start_main_~i~4 350), 154802#(<= ULTIMATE.start_main_~i~4 360), 154803#(<= ULTIMATE.start_main_~i~4 362), 154800#(<= ULTIMATE.start_main_~i~4 356), 154801#(<= ULTIMATE.start_main_~i~4 358), 154804#(<= ULTIMATE.start_main_~i~4 364), 154622#(<= ULTIMATE.start_main_~i~4 0), 154623#(<= ULTIMATE.start_main_~i~4 2), 154620#true, 154621#false] [2018-07-23 13:46:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33306 backedges. 0 proven. 33306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:45,289 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:46:45,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:46:45,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:46:45,290 INFO L87 Difference]: Start difference. First operand 369 states and 369 transitions. Second operand 185 states. [2018-07-23 13:46:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:46,702 INFO L93 Difference]: Finished difference Result 373 states and 373 transitions. [2018-07-23 13:46:46,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:46:46,703 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 368 [2018-07-23 13:46:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:46,703 INFO L225 Difference]: With dead ends: 373 [2018-07-23 13:46:46,703 INFO L226 Difference]: Without dead ends: 371 [2018-07-23 13:46:46,704 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:46:46,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-07-23 13:46:46,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2018-07-23 13:46:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-07-23 13:46:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 371 transitions. [2018-07-23 13:46:46,707 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 371 transitions. Word has length 368 [2018-07-23 13:46:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:46,707 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 371 transitions. [2018-07-23 13:46:46,708 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:46:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 371 transitions. [2018-07-23 13:46:46,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-07-23 13:46:46,709 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:46,709 INFO L357 BasicCegarLoop]: trace histogram [184, 183, 1, 1, 1] [2018-07-23 13:46:46,709 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:46,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1479365437, now seen corresponding path program 183 times [2018-07-23 13:46:46,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 0 proven. 33672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,663 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:47,663 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:46:47,663 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,664 INFO L185 omatonBuilderFactory]: Interpolants [156418#(<= ULTIMATE.start_main_~i~4 246), 156419#(<= ULTIMATE.start_main_~i~4 248), 156416#(<= ULTIMATE.start_main_~i~4 242), 156417#(<= ULTIMATE.start_main_~i~4 244), 156422#(<= ULTIMATE.start_main_~i~4 254), 156423#(<= ULTIMATE.start_main_~i~4 256), 156420#(<= ULTIMATE.start_main_~i~4 250), 156421#(<= ULTIMATE.start_main_~i~4 252), 156426#(<= ULTIMATE.start_main_~i~4 262), 156427#(<= ULTIMATE.start_main_~i~4 264), 156424#(<= ULTIMATE.start_main_~i~4 258), 156425#(<= ULTIMATE.start_main_~i~4 260), 156430#(<= ULTIMATE.start_main_~i~4 270), 156431#(<= ULTIMATE.start_main_~i~4 272), 156428#(<= ULTIMATE.start_main_~i~4 266), 156429#(<= ULTIMATE.start_main_~i~4 268), 156434#(<= ULTIMATE.start_main_~i~4 278), 156435#(<= ULTIMATE.start_main_~i~4 280), 156432#(<= ULTIMATE.start_main_~i~4 274), 156433#(<= ULTIMATE.start_main_~i~4 276), 156438#(<= ULTIMATE.start_main_~i~4 286), 156439#(<= ULTIMATE.start_main_~i~4 288), 156436#(<= ULTIMATE.start_main_~i~4 282), 156437#(<= ULTIMATE.start_main_~i~4 284), 156442#(<= ULTIMATE.start_main_~i~4 294), 156443#(<= ULTIMATE.start_main_~i~4 296), 156440#(<= ULTIMATE.start_main_~i~4 290), 156441#(<= ULTIMATE.start_main_~i~4 292), 156446#(<= ULTIMATE.start_main_~i~4 302), 156447#(<= ULTIMATE.start_main_~i~4 304), 156444#(<= ULTIMATE.start_main_~i~4 298), 156445#(<= ULTIMATE.start_main_~i~4 300), 156450#(<= ULTIMATE.start_main_~i~4 310), 156451#(<= ULTIMATE.start_main_~i~4 312), 156448#(<= ULTIMATE.start_main_~i~4 306), 156449#(<= ULTIMATE.start_main_~i~4 308), 156454#(<= ULTIMATE.start_main_~i~4 318), 156455#(<= ULTIMATE.start_main_~i~4 320), 156452#(<= ULTIMATE.start_main_~i~4 314), 156453#(<= ULTIMATE.start_main_~i~4 316), 156458#(<= ULTIMATE.start_main_~i~4 326), 156459#(<= ULTIMATE.start_main_~i~4 328), 156456#(<= ULTIMATE.start_main_~i~4 322), 156457#(<= ULTIMATE.start_main_~i~4 324), 156462#(<= ULTIMATE.start_main_~i~4 334), 156463#(<= ULTIMATE.start_main_~i~4 336), 156460#(<= ULTIMATE.start_main_~i~4 330), 156461#(<= ULTIMATE.start_main_~i~4 332), 156466#(<= ULTIMATE.start_main_~i~4 342), 156467#(<= ULTIMATE.start_main_~i~4 344), 156464#(<= ULTIMATE.start_main_~i~4 338), 156465#(<= ULTIMATE.start_main_~i~4 340), 156470#(<= ULTIMATE.start_main_~i~4 350), 156471#(<= ULTIMATE.start_main_~i~4 352), 156468#(<= ULTIMATE.start_main_~i~4 346), 156469#(<= ULTIMATE.start_main_~i~4 348), 156474#(<= ULTIMATE.start_main_~i~4 358), 156475#(<= ULTIMATE.start_main_~i~4 360), 156472#(<= ULTIMATE.start_main_~i~4 354), 156473#(<= ULTIMATE.start_main_~i~4 356), 156478#(<= ULTIMATE.start_main_~i~4 366), 156476#(<= ULTIMATE.start_main_~i~4 362), 156477#(<= ULTIMATE.start_main_~i~4 364), 156294#false, 156295#(<= ULTIMATE.start_main_~i~4 0), 156293#true, 156298#(<= ULTIMATE.start_main_~i~4 6), 156299#(<= ULTIMATE.start_main_~i~4 8), 156296#(<= ULTIMATE.start_main_~i~4 2), 156297#(<= ULTIMATE.start_main_~i~4 4), 156302#(<= ULTIMATE.start_main_~i~4 14), 156303#(<= ULTIMATE.start_main_~i~4 16), 156300#(<= ULTIMATE.start_main_~i~4 10), 156301#(<= ULTIMATE.start_main_~i~4 12), 156306#(<= ULTIMATE.start_main_~i~4 22), 156307#(<= ULTIMATE.start_main_~i~4 24), 156304#(<= ULTIMATE.start_main_~i~4 18), 156305#(<= ULTIMATE.start_main_~i~4 20), 156310#(<= ULTIMATE.start_main_~i~4 30), 156311#(<= ULTIMATE.start_main_~i~4 32), 156308#(<= ULTIMATE.start_main_~i~4 26), 156309#(<= ULTIMATE.start_main_~i~4 28), 156314#(<= ULTIMATE.start_main_~i~4 38), 156315#(<= ULTIMATE.start_main_~i~4 40), 156312#(<= ULTIMATE.start_main_~i~4 34), 156313#(<= ULTIMATE.start_main_~i~4 36), 156318#(<= ULTIMATE.start_main_~i~4 46), 156319#(<= ULTIMATE.start_main_~i~4 48), 156316#(<= ULTIMATE.start_main_~i~4 42), 156317#(<= ULTIMATE.start_main_~i~4 44), 156322#(<= ULTIMATE.start_main_~i~4 54), 156323#(<= ULTIMATE.start_main_~i~4 56), 156320#(<= ULTIMATE.start_main_~i~4 50), 156321#(<= ULTIMATE.start_main_~i~4 52), 156326#(<= ULTIMATE.start_main_~i~4 62), 156327#(<= ULTIMATE.start_main_~i~4 64), 156324#(<= ULTIMATE.start_main_~i~4 58), 156325#(<= ULTIMATE.start_main_~i~4 60), 156330#(<= ULTIMATE.start_main_~i~4 70), 156331#(<= ULTIMATE.start_main_~i~4 72), 156328#(<= ULTIMATE.start_main_~i~4 66), 156329#(<= ULTIMATE.start_main_~i~4 68), 156334#(<= ULTIMATE.start_main_~i~4 78), 156335#(<= ULTIMATE.start_main_~i~4 80), 156332#(<= ULTIMATE.start_main_~i~4 74), 156333#(<= ULTIMATE.start_main_~i~4 76), 156338#(<= ULTIMATE.start_main_~i~4 86), 156339#(<= ULTIMATE.start_main_~i~4 88), 156336#(<= ULTIMATE.start_main_~i~4 82), 156337#(<= ULTIMATE.start_main_~i~4 84), 156342#(<= ULTIMATE.start_main_~i~4 94), 156343#(<= ULTIMATE.start_main_~i~4 96), 156340#(<= ULTIMATE.start_main_~i~4 90), 156341#(<= ULTIMATE.start_main_~i~4 92), 156346#(<= ULTIMATE.start_main_~i~4 102), 156347#(<= ULTIMATE.start_main_~i~4 104), 156344#(<= ULTIMATE.start_main_~i~4 98), 156345#(<= ULTIMATE.start_main_~i~4 100), 156350#(<= ULTIMATE.start_main_~i~4 110), 156351#(<= ULTIMATE.start_main_~i~4 112), 156348#(<= ULTIMATE.start_main_~i~4 106), 156349#(<= ULTIMATE.start_main_~i~4 108), 156354#(<= ULTIMATE.start_main_~i~4 118), 156355#(<= ULTIMATE.start_main_~i~4 120), 156352#(<= ULTIMATE.start_main_~i~4 114), 156353#(<= ULTIMATE.start_main_~i~4 116), 156358#(<= ULTIMATE.start_main_~i~4 126), 156359#(<= ULTIMATE.start_main_~i~4 128), 156356#(<= ULTIMATE.start_main_~i~4 122), 156357#(<= ULTIMATE.start_main_~i~4 124), 156362#(<= ULTIMATE.start_main_~i~4 134), 156363#(<= ULTIMATE.start_main_~i~4 136), 156360#(<= ULTIMATE.start_main_~i~4 130), 156361#(<= ULTIMATE.start_main_~i~4 132), 156366#(<= ULTIMATE.start_main_~i~4 142), 156367#(<= ULTIMATE.start_main_~i~4 144), 156364#(<= ULTIMATE.start_main_~i~4 138), 156365#(<= ULTIMATE.start_main_~i~4 140), 156370#(<= ULTIMATE.start_main_~i~4 150), 156371#(<= ULTIMATE.start_main_~i~4 152), 156368#(<= ULTIMATE.start_main_~i~4 146), 156369#(<= ULTIMATE.start_main_~i~4 148), 156374#(<= ULTIMATE.start_main_~i~4 158), 156375#(<= ULTIMATE.start_main_~i~4 160), 156372#(<= ULTIMATE.start_main_~i~4 154), 156373#(<= ULTIMATE.start_main_~i~4 156), 156378#(<= ULTIMATE.start_main_~i~4 166), 156379#(<= ULTIMATE.start_main_~i~4 168), 156376#(<= ULTIMATE.start_main_~i~4 162), 156377#(<= ULTIMATE.start_main_~i~4 164), 156382#(<= ULTIMATE.start_main_~i~4 174), 156383#(<= ULTIMATE.start_main_~i~4 176), 156380#(<= ULTIMATE.start_main_~i~4 170), 156381#(<= ULTIMATE.start_main_~i~4 172), 156386#(<= ULTIMATE.start_main_~i~4 182), 156387#(<= ULTIMATE.start_main_~i~4 184), 156384#(<= ULTIMATE.start_main_~i~4 178), 156385#(<= ULTIMATE.start_main_~i~4 180), 156390#(<= ULTIMATE.start_main_~i~4 190), 156391#(<= ULTIMATE.start_main_~i~4 192), 156388#(<= ULTIMATE.start_main_~i~4 186), 156389#(<= ULTIMATE.start_main_~i~4 188), 156394#(<= ULTIMATE.start_main_~i~4 198), 156395#(<= ULTIMATE.start_main_~i~4 200), 156392#(<= ULTIMATE.start_main_~i~4 194), 156393#(<= ULTIMATE.start_main_~i~4 196), 156398#(<= ULTIMATE.start_main_~i~4 206), 156399#(<= ULTIMATE.start_main_~i~4 208), 156396#(<= ULTIMATE.start_main_~i~4 202), 156397#(<= ULTIMATE.start_main_~i~4 204), 156402#(<= ULTIMATE.start_main_~i~4 214), 156403#(<= ULTIMATE.start_main_~i~4 216), 156400#(<= ULTIMATE.start_main_~i~4 210), 156401#(<= ULTIMATE.start_main_~i~4 212), 156406#(<= ULTIMATE.start_main_~i~4 222), 156407#(<= ULTIMATE.start_main_~i~4 224), 156404#(<= ULTIMATE.start_main_~i~4 218), 156405#(<= ULTIMATE.start_main_~i~4 220), 156410#(<= ULTIMATE.start_main_~i~4 230), 156411#(<= ULTIMATE.start_main_~i~4 232), 156408#(<= ULTIMATE.start_main_~i~4 226), 156409#(<= ULTIMATE.start_main_~i~4 228), 156414#(<= ULTIMATE.start_main_~i~4 238), 156415#(<= ULTIMATE.start_main_~i~4 240), 156412#(<= ULTIMATE.start_main_~i~4 234), 156413#(<= ULTIMATE.start_main_~i~4 236)] [2018-07-23 13:46:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 0 proven. 33672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:46:47,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:46:47,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:46:47,670 INFO L87 Difference]: Start difference. First operand 371 states and 371 transitions. Second operand 186 states. [2018-07-23 13:46:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:48,143 INFO L93 Difference]: Finished difference Result 375 states and 375 transitions. [2018-07-23 13:46:48,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:46:48,144 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 370 [2018-07-23 13:46:48,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:48,144 INFO L225 Difference]: With dead ends: 375 [2018-07-23 13:46:48,144 INFO L226 Difference]: Without dead ends: 373 [2018-07-23 13:46:48,146 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:46:48,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-07-23 13:46:48,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-07-23 13:46:48,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-07-23 13:46:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 373 transitions. [2018-07-23 13:46:48,149 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 373 transitions. Word has length 370 [2018-07-23 13:46:48,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:48,150 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 373 transitions. [2018-07-23 13:46:48,150 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:46:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 373 transitions. [2018-07-23 13:46:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-07-23 13:46:48,151 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:48,152 INFO L357 BasicCegarLoop]: trace histogram [185, 184, 1, 1, 1] [2018-07-23 13:46:48,152 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:48,152 INFO L82 PathProgramCache]: Analyzing trace with hash 36062071, now seen corresponding path program 184 times [2018-07-23 13:46:48,152 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 34040 backedges. 0 proven. 34040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:49,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:46:49,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:49,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,183 INFO L185 omatonBuilderFactory]: Interpolants [157975#true, 157978#(<= ULTIMATE.start_main_~i~4 2), 157979#(<= ULTIMATE.start_main_~i~4 4), 157976#false, 157977#(<= ULTIMATE.start_main_~i~4 0), 157982#(<= ULTIMATE.start_main_~i~4 10), 157983#(<= ULTIMATE.start_main_~i~4 12), 157980#(<= ULTIMATE.start_main_~i~4 6), 157981#(<= ULTIMATE.start_main_~i~4 8), 157986#(<= ULTIMATE.start_main_~i~4 18), 157987#(<= ULTIMATE.start_main_~i~4 20), 157984#(<= ULTIMATE.start_main_~i~4 14), 157985#(<= ULTIMATE.start_main_~i~4 16), 157990#(<= ULTIMATE.start_main_~i~4 26), 157991#(<= ULTIMATE.start_main_~i~4 28), 157988#(<= ULTIMATE.start_main_~i~4 22), 157989#(<= ULTIMATE.start_main_~i~4 24), 157994#(<= ULTIMATE.start_main_~i~4 34), 157995#(<= ULTIMATE.start_main_~i~4 36), 157992#(<= ULTIMATE.start_main_~i~4 30), 157993#(<= ULTIMATE.start_main_~i~4 32), 157998#(<= ULTIMATE.start_main_~i~4 42), 157999#(<= ULTIMATE.start_main_~i~4 44), 157996#(<= ULTIMATE.start_main_~i~4 38), 157997#(<= ULTIMATE.start_main_~i~4 40), 158002#(<= ULTIMATE.start_main_~i~4 50), 158003#(<= ULTIMATE.start_main_~i~4 52), 158000#(<= ULTIMATE.start_main_~i~4 46), 158001#(<= ULTIMATE.start_main_~i~4 48), 158006#(<= ULTIMATE.start_main_~i~4 58), 158007#(<= ULTIMATE.start_main_~i~4 60), 158004#(<= ULTIMATE.start_main_~i~4 54), 158005#(<= ULTIMATE.start_main_~i~4 56), 158010#(<= ULTIMATE.start_main_~i~4 66), 158011#(<= ULTIMATE.start_main_~i~4 68), 158008#(<= ULTIMATE.start_main_~i~4 62), 158009#(<= ULTIMATE.start_main_~i~4 64), 158014#(<= ULTIMATE.start_main_~i~4 74), 158015#(<= ULTIMATE.start_main_~i~4 76), 158012#(<= ULTIMATE.start_main_~i~4 70), 158013#(<= ULTIMATE.start_main_~i~4 72), 158018#(<= ULTIMATE.start_main_~i~4 82), 158019#(<= ULTIMATE.start_main_~i~4 84), 158016#(<= ULTIMATE.start_main_~i~4 78), 158017#(<= ULTIMATE.start_main_~i~4 80), 158022#(<= ULTIMATE.start_main_~i~4 90), 158023#(<= ULTIMATE.start_main_~i~4 92), 158020#(<= ULTIMATE.start_main_~i~4 86), 158021#(<= ULTIMATE.start_main_~i~4 88), 158026#(<= ULTIMATE.start_main_~i~4 98), 158027#(<= ULTIMATE.start_main_~i~4 100), 158024#(<= ULTIMATE.start_main_~i~4 94), 158025#(<= ULTIMATE.start_main_~i~4 96), 158030#(<= ULTIMATE.start_main_~i~4 106), 158031#(<= ULTIMATE.start_main_~i~4 108), 158028#(<= ULTIMATE.start_main_~i~4 102), 158029#(<= ULTIMATE.start_main_~i~4 104), 158034#(<= ULTIMATE.start_main_~i~4 114), 158035#(<= ULTIMATE.start_main_~i~4 116), 158032#(<= ULTIMATE.start_main_~i~4 110), 158033#(<= ULTIMATE.start_main_~i~4 112), 158038#(<= ULTIMATE.start_main_~i~4 122), 158039#(<= ULTIMATE.start_main_~i~4 124), 158036#(<= ULTIMATE.start_main_~i~4 118), 158037#(<= ULTIMATE.start_main_~i~4 120), 158042#(<= ULTIMATE.start_main_~i~4 130), 158043#(<= ULTIMATE.start_main_~i~4 132), 158040#(<= ULTIMATE.start_main_~i~4 126), 158041#(<= ULTIMATE.start_main_~i~4 128), 158046#(<= ULTIMATE.start_main_~i~4 138), 158047#(<= ULTIMATE.start_main_~i~4 140), 158044#(<= ULTIMATE.start_main_~i~4 134), 158045#(<= ULTIMATE.start_main_~i~4 136), 158050#(<= ULTIMATE.start_main_~i~4 146), 158051#(<= ULTIMATE.start_main_~i~4 148), 158048#(<= ULTIMATE.start_main_~i~4 142), 158049#(<= ULTIMATE.start_main_~i~4 144), 158054#(<= ULTIMATE.start_main_~i~4 154), 158055#(<= ULTIMATE.start_main_~i~4 156), 158052#(<= ULTIMATE.start_main_~i~4 150), 158053#(<= ULTIMATE.start_main_~i~4 152), 158058#(<= ULTIMATE.start_main_~i~4 162), 158059#(<= ULTIMATE.start_main_~i~4 164), 158056#(<= ULTIMATE.start_main_~i~4 158), 158057#(<= ULTIMATE.start_main_~i~4 160), 158062#(<= ULTIMATE.start_main_~i~4 170), 158063#(<= ULTIMATE.start_main_~i~4 172), 158060#(<= ULTIMATE.start_main_~i~4 166), 158061#(<= ULTIMATE.start_main_~i~4 168), 158066#(<= ULTIMATE.start_main_~i~4 178), 158067#(<= ULTIMATE.start_main_~i~4 180), 158064#(<= ULTIMATE.start_main_~i~4 174), 158065#(<= ULTIMATE.start_main_~i~4 176), 158070#(<= ULTIMATE.start_main_~i~4 186), 158071#(<= ULTIMATE.start_main_~i~4 188), 158068#(<= ULTIMATE.start_main_~i~4 182), 158069#(<= ULTIMATE.start_main_~i~4 184), 158074#(<= ULTIMATE.start_main_~i~4 194), 158075#(<= ULTIMATE.start_main_~i~4 196), 158072#(<= ULTIMATE.start_main_~i~4 190), 158073#(<= ULTIMATE.start_main_~i~4 192), 158078#(<= ULTIMATE.start_main_~i~4 202), 158079#(<= ULTIMATE.start_main_~i~4 204), 158076#(<= ULTIMATE.start_main_~i~4 198), 158077#(<= ULTIMATE.start_main_~i~4 200), 158082#(<= ULTIMATE.start_main_~i~4 210), 158083#(<= ULTIMATE.start_main_~i~4 212), 158080#(<= ULTIMATE.start_main_~i~4 206), 158081#(<= ULTIMATE.start_main_~i~4 208), 158086#(<= ULTIMATE.start_main_~i~4 218), 158087#(<= ULTIMATE.start_main_~i~4 220), 158084#(<= ULTIMATE.start_main_~i~4 214), 158085#(<= ULTIMATE.start_main_~i~4 216), 158090#(<= ULTIMATE.start_main_~i~4 226), 158091#(<= ULTIMATE.start_main_~i~4 228), 158088#(<= ULTIMATE.start_main_~i~4 222), 158089#(<= ULTIMATE.start_main_~i~4 224), 158094#(<= ULTIMATE.start_main_~i~4 234), 158095#(<= ULTIMATE.start_main_~i~4 236), 158092#(<= ULTIMATE.start_main_~i~4 230), 158093#(<= ULTIMATE.start_main_~i~4 232), 158098#(<= ULTIMATE.start_main_~i~4 242), 158099#(<= ULTIMATE.start_main_~i~4 244), 158096#(<= ULTIMATE.start_main_~i~4 238), 158097#(<= ULTIMATE.start_main_~i~4 240), 158102#(<= ULTIMATE.start_main_~i~4 250), 158103#(<= ULTIMATE.start_main_~i~4 252), 158100#(<= ULTIMATE.start_main_~i~4 246), 158101#(<= ULTIMATE.start_main_~i~4 248), 158106#(<= ULTIMATE.start_main_~i~4 258), 158107#(<= ULTIMATE.start_main_~i~4 260), 158104#(<= ULTIMATE.start_main_~i~4 254), 158105#(<= ULTIMATE.start_main_~i~4 256), 158110#(<= ULTIMATE.start_main_~i~4 266), 158111#(<= ULTIMATE.start_main_~i~4 268), 158108#(<= ULTIMATE.start_main_~i~4 262), 158109#(<= ULTIMATE.start_main_~i~4 264), 158114#(<= ULTIMATE.start_main_~i~4 274), 158115#(<= ULTIMATE.start_main_~i~4 276), 158112#(<= ULTIMATE.start_main_~i~4 270), 158113#(<= ULTIMATE.start_main_~i~4 272), 158118#(<= ULTIMATE.start_main_~i~4 282), 158119#(<= ULTIMATE.start_main_~i~4 284), 158116#(<= ULTIMATE.start_main_~i~4 278), 158117#(<= ULTIMATE.start_main_~i~4 280), 158122#(<= ULTIMATE.start_main_~i~4 290), 158123#(<= ULTIMATE.start_main_~i~4 292), 158120#(<= ULTIMATE.start_main_~i~4 286), 158121#(<= ULTIMATE.start_main_~i~4 288), 158126#(<= ULTIMATE.start_main_~i~4 298), 158127#(<= ULTIMATE.start_main_~i~4 300), 158124#(<= ULTIMATE.start_main_~i~4 294), 158125#(<= ULTIMATE.start_main_~i~4 296), 158130#(<= ULTIMATE.start_main_~i~4 306), 158131#(<= ULTIMATE.start_main_~i~4 308), 158128#(<= ULTIMATE.start_main_~i~4 302), 158129#(<= ULTIMATE.start_main_~i~4 304), 158134#(<= ULTIMATE.start_main_~i~4 314), 158135#(<= ULTIMATE.start_main_~i~4 316), 158132#(<= ULTIMATE.start_main_~i~4 310), 158133#(<= ULTIMATE.start_main_~i~4 312), 158138#(<= ULTIMATE.start_main_~i~4 322), 158139#(<= ULTIMATE.start_main_~i~4 324), 158136#(<= ULTIMATE.start_main_~i~4 318), 158137#(<= ULTIMATE.start_main_~i~4 320), 158142#(<= ULTIMATE.start_main_~i~4 330), 158143#(<= ULTIMATE.start_main_~i~4 332), 158140#(<= ULTIMATE.start_main_~i~4 326), 158141#(<= ULTIMATE.start_main_~i~4 328), 158146#(<= ULTIMATE.start_main_~i~4 338), 158147#(<= ULTIMATE.start_main_~i~4 340), 158144#(<= ULTIMATE.start_main_~i~4 334), 158145#(<= ULTIMATE.start_main_~i~4 336), 158150#(<= ULTIMATE.start_main_~i~4 346), 158151#(<= ULTIMATE.start_main_~i~4 348), 158148#(<= ULTIMATE.start_main_~i~4 342), 158149#(<= ULTIMATE.start_main_~i~4 344), 158154#(<= ULTIMATE.start_main_~i~4 354), 158155#(<= ULTIMATE.start_main_~i~4 356), 158152#(<= ULTIMATE.start_main_~i~4 350), 158153#(<= ULTIMATE.start_main_~i~4 352), 158158#(<= ULTIMATE.start_main_~i~4 362), 158159#(<= ULTIMATE.start_main_~i~4 364), 158156#(<= ULTIMATE.start_main_~i~4 358), 158157#(<= ULTIMATE.start_main_~i~4 360), 158160#(<= ULTIMATE.start_main_~i~4 366), 158161#(<= ULTIMATE.start_main_~i~4 368)] [2018-07-23 13:46:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 34040 backedges. 0 proven. 34040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,185 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:46:49,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:46:49,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:46:49,189 INFO L87 Difference]: Start difference. First operand 373 states and 373 transitions. Second operand 187 states. [2018-07-23 13:46:50,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:50,801 INFO L93 Difference]: Finished difference Result 377 states and 377 transitions. [2018-07-23 13:46:50,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:46:50,801 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 372 [2018-07-23 13:46:50,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:50,802 INFO L225 Difference]: With dead ends: 377 [2018-07-23 13:46:50,802 INFO L226 Difference]: Without dead ends: 375 [2018-07-23 13:46:50,803 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:46:50,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-07-23 13:46:50,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-07-23 13:46:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-07-23 13:46:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 375 transitions. [2018-07-23 13:46:50,807 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 375 transitions. Word has length 372 [2018-07-23 13:46:50,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:50,807 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 375 transitions. [2018-07-23 13:46:50,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:46:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 375 transitions. [2018-07-23 13:46:50,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-07-23 13:46:50,809 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:50,809 INFO L357 BasicCegarLoop]: trace histogram [186, 185, 1, 1, 1] [2018-07-23 13:46:50,809 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:50,809 INFO L82 PathProgramCache]: Analyzing trace with hash 295963953, now seen corresponding path program 185 times [2018-07-23 13:46:50,809 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 34410 backedges. 0 proven. 34410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,841 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:51,841 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:46:51,841 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,842 INFO L185 omatonBuilderFactory]: Interpolants [159746#(<= ULTIMATE.start_main_~i~4 156), 159747#(<= ULTIMATE.start_main_~i~4 158), 159744#(<= ULTIMATE.start_main_~i~4 152), 159745#(<= ULTIMATE.start_main_~i~4 154), 159750#(<= ULTIMATE.start_main_~i~4 164), 159751#(<= ULTIMATE.start_main_~i~4 166), 159748#(<= ULTIMATE.start_main_~i~4 160), 159749#(<= ULTIMATE.start_main_~i~4 162), 159754#(<= ULTIMATE.start_main_~i~4 172), 159755#(<= ULTIMATE.start_main_~i~4 174), 159752#(<= ULTIMATE.start_main_~i~4 168), 159753#(<= ULTIMATE.start_main_~i~4 170), 159758#(<= ULTIMATE.start_main_~i~4 180), 159759#(<= ULTIMATE.start_main_~i~4 182), 159756#(<= ULTIMATE.start_main_~i~4 176), 159757#(<= ULTIMATE.start_main_~i~4 178), 159762#(<= ULTIMATE.start_main_~i~4 188), 159763#(<= ULTIMATE.start_main_~i~4 190), 159760#(<= ULTIMATE.start_main_~i~4 184), 159761#(<= ULTIMATE.start_main_~i~4 186), 159766#(<= ULTIMATE.start_main_~i~4 196), 159767#(<= ULTIMATE.start_main_~i~4 198), 159764#(<= ULTIMATE.start_main_~i~4 192), 159765#(<= ULTIMATE.start_main_~i~4 194), 159770#(<= ULTIMATE.start_main_~i~4 204), 159771#(<= ULTIMATE.start_main_~i~4 206), 159768#(<= ULTIMATE.start_main_~i~4 200), 159769#(<= ULTIMATE.start_main_~i~4 202), 159774#(<= ULTIMATE.start_main_~i~4 212), 159775#(<= ULTIMATE.start_main_~i~4 214), 159772#(<= ULTIMATE.start_main_~i~4 208), 159773#(<= ULTIMATE.start_main_~i~4 210), 159778#(<= ULTIMATE.start_main_~i~4 220), 159779#(<= ULTIMATE.start_main_~i~4 222), 159776#(<= ULTIMATE.start_main_~i~4 216), 159777#(<= ULTIMATE.start_main_~i~4 218), 159782#(<= ULTIMATE.start_main_~i~4 228), 159783#(<= ULTIMATE.start_main_~i~4 230), 159780#(<= ULTIMATE.start_main_~i~4 224), 159781#(<= ULTIMATE.start_main_~i~4 226), 159786#(<= ULTIMATE.start_main_~i~4 236), 159787#(<= ULTIMATE.start_main_~i~4 238), 159784#(<= ULTIMATE.start_main_~i~4 232), 159785#(<= ULTIMATE.start_main_~i~4 234), 159790#(<= ULTIMATE.start_main_~i~4 244), 159791#(<= ULTIMATE.start_main_~i~4 246), 159788#(<= ULTIMATE.start_main_~i~4 240), 159789#(<= ULTIMATE.start_main_~i~4 242), 159794#(<= ULTIMATE.start_main_~i~4 252), 159795#(<= ULTIMATE.start_main_~i~4 254), 159792#(<= ULTIMATE.start_main_~i~4 248), 159793#(<= ULTIMATE.start_main_~i~4 250), 159798#(<= ULTIMATE.start_main_~i~4 260), 159799#(<= ULTIMATE.start_main_~i~4 262), 159796#(<= ULTIMATE.start_main_~i~4 256), 159797#(<= ULTIMATE.start_main_~i~4 258), 159802#(<= ULTIMATE.start_main_~i~4 268), 159803#(<= ULTIMATE.start_main_~i~4 270), 159800#(<= ULTIMATE.start_main_~i~4 264), 159801#(<= ULTIMATE.start_main_~i~4 266), 159806#(<= ULTIMATE.start_main_~i~4 276), 159807#(<= ULTIMATE.start_main_~i~4 278), 159804#(<= ULTIMATE.start_main_~i~4 272), 159805#(<= ULTIMATE.start_main_~i~4 274), 159810#(<= ULTIMATE.start_main_~i~4 284), 159811#(<= ULTIMATE.start_main_~i~4 286), 159808#(<= ULTIMATE.start_main_~i~4 280), 159809#(<= ULTIMATE.start_main_~i~4 282), 159814#(<= ULTIMATE.start_main_~i~4 292), 159815#(<= ULTIMATE.start_main_~i~4 294), 159812#(<= ULTIMATE.start_main_~i~4 288), 159813#(<= ULTIMATE.start_main_~i~4 290), 159818#(<= ULTIMATE.start_main_~i~4 300), 159819#(<= ULTIMATE.start_main_~i~4 302), 159816#(<= ULTIMATE.start_main_~i~4 296), 159817#(<= ULTIMATE.start_main_~i~4 298), 159822#(<= ULTIMATE.start_main_~i~4 308), 159823#(<= ULTIMATE.start_main_~i~4 310), 159820#(<= ULTIMATE.start_main_~i~4 304), 159821#(<= ULTIMATE.start_main_~i~4 306), 159826#(<= ULTIMATE.start_main_~i~4 316), 159827#(<= ULTIMATE.start_main_~i~4 318), 159824#(<= ULTIMATE.start_main_~i~4 312), 159825#(<= ULTIMATE.start_main_~i~4 314), 159830#(<= ULTIMATE.start_main_~i~4 324), 159831#(<= ULTIMATE.start_main_~i~4 326), 159828#(<= ULTIMATE.start_main_~i~4 320), 159829#(<= ULTIMATE.start_main_~i~4 322), 159834#(<= ULTIMATE.start_main_~i~4 332), 159835#(<= ULTIMATE.start_main_~i~4 334), 159832#(<= ULTIMATE.start_main_~i~4 328), 159833#(<= ULTIMATE.start_main_~i~4 330), 159838#(<= ULTIMATE.start_main_~i~4 340), 159839#(<= ULTIMATE.start_main_~i~4 342), 159836#(<= ULTIMATE.start_main_~i~4 336), 159837#(<= ULTIMATE.start_main_~i~4 338), 159842#(<= ULTIMATE.start_main_~i~4 348), 159843#(<= ULTIMATE.start_main_~i~4 350), 159840#(<= ULTIMATE.start_main_~i~4 344), 159841#(<= ULTIMATE.start_main_~i~4 346), 159846#(<= ULTIMATE.start_main_~i~4 356), 159847#(<= ULTIMATE.start_main_~i~4 358), 159844#(<= ULTIMATE.start_main_~i~4 352), 159845#(<= ULTIMATE.start_main_~i~4 354), 159850#(<= ULTIMATE.start_main_~i~4 364), 159851#(<= ULTIMATE.start_main_~i~4 366), 159848#(<= ULTIMATE.start_main_~i~4 360), 159849#(<= ULTIMATE.start_main_~i~4 362), 159852#(<= ULTIMATE.start_main_~i~4 368), 159853#(<= ULTIMATE.start_main_~i~4 370), 159666#true, 159667#false, 159670#(<= ULTIMATE.start_main_~i~4 4), 159671#(<= ULTIMATE.start_main_~i~4 6), 159668#(<= ULTIMATE.start_main_~i~4 0), 159669#(<= ULTIMATE.start_main_~i~4 2), 159674#(<= ULTIMATE.start_main_~i~4 12), 159675#(<= ULTIMATE.start_main_~i~4 14), 159672#(<= ULTIMATE.start_main_~i~4 8), 159673#(<= ULTIMATE.start_main_~i~4 10), 159678#(<= ULTIMATE.start_main_~i~4 20), 159679#(<= ULTIMATE.start_main_~i~4 22), 159676#(<= ULTIMATE.start_main_~i~4 16), 159677#(<= ULTIMATE.start_main_~i~4 18), 159682#(<= ULTIMATE.start_main_~i~4 28), 159683#(<= ULTIMATE.start_main_~i~4 30), 159680#(<= ULTIMATE.start_main_~i~4 24), 159681#(<= ULTIMATE.start_main_~i~4 26), 159686#(<= ULTIMATE.start_main_~i~4 36), 159687#(<= ULTIMATE.start_main_~i~4 38), 159684#(<= ULTIMATE.start_main_~i~4 32), 159685#(<= ULTIMATE.start_main_~i~4 34), 159690#(<= ULTIMATE.start_main_~i~4 44), 159691#(<= ULTIMATE.start_main_~i~4 46), 159688#(<= ULTIMATE.start_main_~i~4 40), 159689#(<= ULTIMATE.start_main_~i~4 42), 159694#(<= ULTIMATE.start_main_~i~4 52), 159695#(<= ULTIMATE.start_main_~i~4 54), 159692#(<= ULTIMATE.start_main_~i~4 48), 159693#(<= ULTIMATE.start_main_~i~4 50), 159698#(<= ULTIMATE.start_main_~i~4 60), 159699#(<= ULTIMATE.start_main_~i~4 62), 159696#(<= ULTIMATE.start_main_~i~4 56), 159697#(<= ULTIMATE.start_main_~i~4 58), 159702#(<= ULTIMATE.start_main_~i~4 68), 159703#(<= ULTIMATE.start_main_~i~4 70), 159700#(<= ULTIMATE.start_main_~i~4 64), 159701#(<= ULTIMATE.start_main_~i~4 66), 159706#(<= ULTIMATE.start_main_~i~4 76), 159707#(<= ULTIMATE.start_main_~i~4 78), 159704#(<= ULTIMATE.start_main_~i~4 72), 159705#(<= ULTIMATE.start_main_~i~4 74), 159710#(<= ULTIMATE.start_main_~i~4 84), 159711#(<= ULTIMATE.start_main_~i~4 86), 159708#(<= ULTIMATE.start_main_~i~4 80), 159709#(<= ULTIMATE.start_main_~i~4 82), 159714#(<= ULTIMATE.start_main_~i~4 92), 159715#(<= ULTIMATE.start_main_~i~4 94), 159712#(<= ULTIMATE.start_main_~i~4 88), 159713#(<= ULTIMATE.start_main_~i~4 90), 159718#(<= ULTIMATE.start_main_~i~4 100), 159719#(<= ULTIMATE.start_main_~i~4 102), 159716#(<= ULTIMATE.start_main_~i~4 96), 159717#(<= ULTIMATE.start_main_~i~4 98), 159722#(<= ULTIMATE.start_main_~i~4 108), 159723#(<= ULTIMATE.start_main_~i~4 110), 159720#(<= ULTIMATE.start_main_~i~4 104), 159721#(<= ULTIMATE.start_main_~i~4 106), 159726#(<= ULTIMATE.start_main_~i~4 116), 159727#(<= ULTIMATE.start_main_~i~4 118), 159724#(<= ULTIMATE.start_main_~i~4 112), 159725#(<= ULTIMATE.start_main_~i~4 114), 159730#(<= ULTIMATE.start_main_~i~4 124), 159731#(<= ULTIMATE.start_main_~i~4 126), 159728#(<= ULTIMATE.start_main_~i~4 120), 159729#(<= ULTIMATE.start_main_~i~4 122), 159734#(<= ULTIMATE.start_main_~i~4 132), 159735#(<= ULTIMATE.start_main_~i~4 134), 159732#(<= ULTIMATE.start_main_~i~4 128), 159733#(<= ULTIMATE.start_main_~i~4 130), 159738#(<= ULTIMATE.start_main_~i~4 140), 159739#(<= ULTIMATE.start_main_~i~4 142), 159736#(<= ULTIMATE.start_main_~i~4 136), 159737#(<= ULTIMATE.start_main_~i~4 138), 159742#(<= ULTIMATE.start_main_~i~4 148), 159743#(<= ULTIMATE.start_main_~i~4 150), 159740#(<= ULTIMATE.start_main_~i~4 144), 159741#(<= ULTIMATE.start_main_~i~4 146)] [2018-07-23 13:46:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 34410 backedges. 0 proven. 34410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,844 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:46:51,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:46:51,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:46:51,848 INFO L87 Difference]: Start difference. First operand 375 states and 375 transitions. Second operand 188 states. [2018-07-23 13:46:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:52,464 INFO L93 Difference]: Finished difference Result 379 states and 379 transitions. [2018-07-23 13:46:52,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:46:52,465 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 374 [2018-07-23 13:46:52,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:52,465 INFO L225 Difference]: With dead ends: 379 [2018-07-23 13:46:52,465 INFO L226 Difference]: Without dead ends: 377 [2018-07-23 13:46:52,467 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:46:52,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-07-23 13:46:52,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-07-23 13:46:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-07-23 13:46:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 377 transitions. [2018-07-23 13:46:52,471 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 377 transitions. Word has length 374 [2018-07-23 13:46:52,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:52,471 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 377 transitions. [2018-07-23 13:46:52,471 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:46:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 377 transitions. [2018-07-23 13:46:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-07-23 13:46:52,472 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:52,472 INFO L357 BasicCegarLoop]: trace histogram [187, 186, 1, 1, 1] [2018-07-23 13:46:52,472 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:52,472 INFO L82 PathProgramCache]: Analyzing trace with hash 953569387, now seen corresponding path program 186 times [2018-07-23 13:46:52,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 34782 backedges. 0 proven. 34782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:53,484 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:53,484 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:46:53,484 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:53,484 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 13:46:53,485 INFO L185 omatonBuilderFactory]: Interpolants [161538#(<= ULTIMATE.start_main_~i~4 340), 161539#(<= ULTIMATE.start_main_~i~4 342), 161536#(<= ULTIMATE.start_main_~i~4 336), 161537#(<= ULTIMATE.start_main_~i~4 338), 161542#(<= ULTIMATE.start_main_~i~4 348), 161543#(<= ULTIMATE.start_main_~i~4 350), 161540#(<= ULTIMATE.start_main_~i~4 344), 161541#(<= ULTIMATE.start_main_~i~4 346), 161546#(<= ULTIMATE.start_main_~i~4 356), 161547#(<= ULTIMATE.start_main_~i~4 358), 161544#(<= ULTIMATE.start_main_~i~4 352), 161545#(<= ULTIMATE.start_main_~i~4 354), 161550#(<= ULTIMATE.start_main_~i~4 364), 161551#(<= ULTIMATE.start_main_~i~4 366), 161548#(<= ULTIMATE.start_main_~i~4 360), 161549#(<= ULTIMATE.start_main_~i~4 362), 161554#(<= ULTIMATE.start_main_~i~4 372), 161552#(<= ULTIMATE.start_main_~i~4 368), 161553#(<= ULTIMATE.start_main_~i~4 370), 161366#true, 161367#false, 161370#(<= ULTIMATE.start_main_~i~4 4), 161371#(<= ULTIMATE.start_main_~i~4 6), 161368#(<= ULTIMATE.start_main_~i~4 0), 161369#(<= ULTIMATE.start_main_~i~4 2), 161374#(<= ULTIMATE.start_main_~i~4 12), 161375#(<= ULTIMATE.start_main_~i~4 14), 161372#(<= ULTIMATE.start_main_~i~4 8), 161373#(<= ULTIMATE.start_main_~i~4 10), 161378#(<= ULTIMATE.start_main_~i~4 20), 161379#(<= ULTIMATE.start_main_~i~4 22), 161376#(<= ULTIMATE.start_main_~i~4 16), 161377#(<= ULTIMATE.start_main_~i~4 18), 161382#(<= ULTIMATE.start_main_~i~4 28), 161383#(<= ULTIMATE.start_main_~i~4 30), 161380#(<= ULTIMATE.start_main_~i~4 24), 161381#(<= ULTIMATE.start_main_~i~4 26), 161386#(<= ULTIMATE.start_main_~i~4 36), 161387#(<= ULTIMATE.start_main_~i~4 38), 161384#(<= ULTIMATE.start_main_~i~4 32), 161385#(<= ULTIMATE.start_main_~i~4 34), 161390#(<= ULTIMATE.start_main_~i~4 44), 161391#(<= ULTIMATE.start_main_~i~4 46), 161388#(<= ULTIMATE.start_main_~i~4 40), 161389#(<= ULTIMATE.start_main_~i~4 42), 161394#(<= ULTIMATE.start_main_~i~4 52), 161395#(<= ULTIMATE.start_main_~i~4 54), 161392#(<= ULTIMATE.start_main_~i~4 48), 161393#(<= ULTIMATE.start_main_~i~4 50), 161398#(<= ULTIMATE.start_main_~i~4 60), 161399#(<= ULTIMATE.start_main_~i~4 62), 161396#(<= ULTIMATE.start_main_~i~4 56), 161397#(<= ULTIMATE.start_main_~i~4 58), 161402#(<= ULTIMATE.start_main_~i~4 68), 161403#(<= ULTIMATE.start_main_~i~4 70), 161400#(<= ULTIMATE.start_main_~i~4 64), 161401#(<= ULTIMATE.start_main_~i~4 66), 161406#(<= ULTIMATE.start_main_~i~4 76), 161407#(<= ULTIMATE.start_main_~i~4 78), 161404#(<= ULTIMATE.start_main_~i~4 72), 161405#(<= ULTIMATE.start_main_~i~4 74), 161410#(<= ULTIMATE.start_main_~i~4 84), 161411#(<= ULTIMATE.start_main_~i~4 86), 161408#(<= ULTIMATE.start_main_~i~4 80), 161409#(<= ULTIMATE.start_main_~i~4 82), 161414#(<= ULTIMATE.start_main_~i~4 92), 161415#(<= ULTIMATE.start_main_~i~4 94), 161412#(<= ULTIMATE.start_main_~i~4 88), 161413#(<= ULTIMATE.start_main_~i~4 90), 161418#(<= ULTIMATE.start_main_~i~4 100), 161419#(<= ULTIMATE.start_main_~i~4 102), 161416#(<= ULTIMATE.start_main_~i~4 96), 161417#(<= ULTIMATE.start_main_~i~4 98), 161422#(<= ULTIMATE.start_main_~i~4 108), 161423#(<= ULTIMATE.start_main_~i~4 110), 161420#(<= ULTIMATE.start_main_~i~4 104), 161421#(<= ULTIMATE.start_main_~i~4 106), 161426#(<= ULTIMATE.start_main_~i~4 116), 161427#(<= ULTIMATE.start_main_~i~4 118), 161424#(<= ULTIMATE.start_main_~i~4 112), 161425#(<= ULTIMATE.start_main_~i~4 114), 161430#(<= ULTIMATE.start_main_~i~4 124), 161431#(<= ULTIMATE.start_main_~i~4 126), 161428#(<= ULTIMATE.start_main_~i~4 120), 161429#(<= ULTIMATE.start_main_~i~4 122), 161434#(<= ULTIMATE.start_main_~i~4 132), 161435#(<= ULTIMATE.start_main_~i~4 134), 161432#(<= ULTIMATE.start_main_~i~4 128), 161433#(<= ULTIMATE.start_main_~i~4 130), 161438#(<= ULTIMATE.start_main_~i~4 140), 161439#(<= ULTIMATE.start_main_~i~4 142), 161436#(<= ULTIMATE.start_main_~i~4 136), 161437#(<= ULTIMATE.start_main_~i~4 138), 161442#(<= ULTIMATE.start_main_~i~4 148), 161443#(<= ULTIMATE.start_main_~i~4 150), 161440#(<= ULTIMATE.start_main_~i~4 144), 161441#(<= ULTIMATE.start_main_~i~4 146), 161446#(<= ULTIMATE.start_main_~i~4 156), 161447#(<= ULTIMATE.start_main_~i~4 158), 161444#(<= ULTIMATE.start_main_~i~4 152), 161445#(<= ULTIMATE.start_main_~i~4 154), 161450#(<= ULTIMATE.start_main_~i~4 164), 161451#(<= ULTIMATE.start_main_~i~4 166), 161448#(<= ULTIMATE.start_main_~i~4 160), 161449#(<= ULTIMATE.start_main_~i~4 162), 161454#(<= ULTIMATE.start_main_~i~4 172), 161455#(<= ULTIMATE.start_main_~i~4 174), 161452#(<= ULTIMATE.start_main_~i~4 168), 161453#(<= ULTIMATE.start_main_~i~4 170), 161458#(<= ULTIMATE.start_main_~i~4 180), 161459#(<= ULTIMATE.start_main_~i~4 182), 161456#(<= ULTIMATE.start_main_~i~4 176), 161457#(<= ULTIMATE.start_main_~i~4 178), 161462#(<= ULTIMATE.start_main_~i~4 188), 161463#(<= ULTIMATE.start_main_~i~4 190), 161460#(<= ULTIMATE.start_main_~i~4 184), 161461#(<= ULTIMATE.start_main_~i~4 186), 161466#(<= ULTIMATE.start_main_~i~4 196), 161467#(<= ULTIMATE.start_main_~i~4 198), 161464#(<= ULTIMATE.start_main_~i~4 192), 161465#(<= ULTIMATE.start_main_~i~4 194), 161470#(<= ULTIMATE.start_main_~i~4 204), 161471#(<= ULTIMATE.start_main_~i~4 206), 161468#(<= ULTIMATE.start_main_~i~4 200), 161469#(<= ULTIMATE.start_main_~i~4 202), 161474#(<= ULTIMATE.start_main_~i~4 212), 161475#(<= ULTIMATE.start_main_~i~4 214), 161472#(<= ULTIMATE.start_main_~i~4 208), 161473#(<= ULTIMATE.start_main_~i~4 210), 161478#(<= ULTIMATE.start_main_~i~4 220), 161479#(<= ULTIMATE.start_main_~i~4 222), 161476#(<= ULTIMATE.start_main_~i~4 216), 161477#(<= ULTIMATE.start_main_~i~4 218), 161482#(<= ULTIMATE.start_main_~i~4 228), 161483#(<= ULTIMATE.start_main_~i~4 230), 161480#(<= ULTIMATE.start_main_~i~4 224), 161481#(<= ULTIMATE.start_main_~i~4 226), 161486#(<= ULTIMATE.start_main_~i~4 236), 161487#(<= ULTIMATE.start_main_~i~4 238), 161484#(<= ULTIMATE.start_main_~i~4 232), 161485#(<= ULTIMATE.start_main_~i~4 234), 161490#(<= ULTIMATE.start_main_~i~4 244), 161491#(<= ULTIMATE.start_main_~i~4 246), 161488#(<= ULTIMATE.start_main_~i~4 240), 161489#(<= ULTIMATE.start_main_~i~4 242), 161494#(<= ULTIMATE.start_main_~i~4 252), 161495#(<= ULTIMATE.start_main_~i~4 254), 161492#(<= ULTIMATE.start_main_~i~4 248), 161493#(<= ULTIMATE.start_main_~i~4 250), 161498#(<= ULTIMATE.start_main_~i~4 260), 161499#(<= ULTIMATE.start_main_~i~4 262), 161496#(<= ULTIMATE.start_main_~i~4 256), 161497#(<= ULTIMATE.start_main_~i~4 258), 161502#(<= ULTIMATE.start_main_~i~4 268), 161503#(<= ULTIMATE.start_main_~i~4 270), 161500#(<= ULTIMATE.start_main_~i~4 264), 161501#(<= ULTIMATE.start_main_~i~4 266), 161506#(<= ULTIMATE.start_main_~i~4 276), 161507#(<= ULTIMATE.start_main_~i~4 278), 161504#(<= ULTIMATE.start_main_~i~4 272), 161505#(<= ULTIMATE.start_main_~i~4 274), 161510#(<= ULTIMATE.start_main_~i~4 284), 161511#(<= ULTIMATE.start_main_~i~4 286), 161508#(<= ULTIMATE.start_main_~i~4 280), 161509#(<= ULTIMATE.start_main_~i~4 282), 161514#(<= ULTIMATE.start_main_~i~4 292), 161515#(<= ULTIMATE.start_main_~i~4 294), 161512#(<= ULTIMATE.start_main_~i~4 288), 161513#(<= ULTIMATE.start_main_~i~4 290), 161518#(<= ULTIMATE.start_main_~i~4 300), 161519#(<= ULTIMATE.start_main_~i~4 302), 161516#(<= ULTIMATE.start_main_~i~4 296), 161517#(<= ULTIMATE.start_main_~i~4 298), 161522#(<= ULTIMATE.start_main_~i~4 308), 161523#(<= ULTIMATE.start_main_~i~4 310), 161520#(<= ULTIMATE.start_main_~i~4 304), 161521#(<= ULTIMATE.start_main_~i~4 306), 161526#(<= ULTIMATE.start_main_~i~4 316), 161527#(<= ULTIMATE.start_main_~i~4 318), 161524#(<= ULTIMATE.start_main_~i~4 312), 161525#(<= ULTIMATE.start_main_~i~4 314), 161530#(<= ULTIMATE.start_main_~i~4 324), 161531#(<= ULTIMATE.start_main_~i~4 326), 161528#(<= ULTIMATE.start_main_~i~4 320), 161529#(<= ULTIMATE.start_main_~i~4 322), 161534#(<= ULTIMATE.start_main_~i~4 332), 161535#(<= ULTIMATE.start_main_~i~4 334), 161532#(<= ULTIMATE.start_main_~i~4 328), 161533#(<= ULTIMATE.start_main_~i~4 330)] [2018-07-23 13:46:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 34782 backedges. 0 proven. 34782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:53,486 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:46:53,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:46:53,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:46:53,491 INFO L87 Difference]: Start difference. First operand 377 states and 377 transitions. Second operand 189 states. [2018-07-23 13:46:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:54,584 INFO L93 Difference]: Finished difference Result 381 states and 381 transitions. [2018-07-23 13:46:54,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:46:54,584 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 376 [2018-07-23 13:46:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:54,585 INFO L225 Difference]: With dead ends: 381 [2018-07-23 13:46:54,585 INFO L226 Difference]: Without dead ends: 379 [2018-07-23 13:46:54,588 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:46:54,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-07-23 13:46:54,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-07-23 13:46:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-07-23 13:46:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 379 transitions. [2018-07-23 13:46:54,593 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 379 transitions. Word has length 376 [2018-07-23 13:46:54,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:54,594 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 379 transitions. [2018-07-23 13:46:54,594 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:46:54,594 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 379 transitions. [2018-07-23 13:46:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-07-23 13:46:54,596 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:54,596 INFO L357 BasicCegarLoop]: trace histogram [188, 187, 1, 1, 1] [2018-07-23 13:46:54,596 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:54,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1552198949, now seen corresponding path program 187 times [2018-07-23 13:46:54,596 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 35156 backedges. 0 proven. 35156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,643 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:55,643 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:46:55,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,644 INFO L185 omatonBuilderFactory]: Interpolants [163075#true, 163078#(<= ULTIMATE.start_main_~i~4 2), 163079#(<= ULTIMATE.start_main_~i~4 4), 163076#false, 163077#(<= ULTIMATE.start_main_~i~4 0), 163082#(<= ULTIMATE.start_main_~i~4 10), 163083#(<= ULTIMATE.start_main_~i~4 12), 163080#(<= ULTIMATE.start_main_~i~4 6), 163081#(<= ULTIMATE.start_main_~i~4 8), 163086#(<= ULTIMATE.start_main_~i~4 18), 163087#(<= ULTIMATE.start_main_~i~4 20), 163084#(<= ULTIMATE.start_main_~i~4 14), 163085#(<= ULTIMATE.start_main_~i~4 16), 163090#(<= ULTIMATE.start_main_~i~4 26), 163091#(<= ULTIMATE.start_main_~i~4 28), 163088#(<= ULTIMATE.start_main_~i~4 22), 163089#(<= ULTIMATE.start_main_~i~4 24), 163094#(<= ULTIMATE.start_main_~i~4 34), 163095#(<= ULTIMATE.start_main_~i~4 36), 163092#(<= ULTIMATE.start_main_~i~4 30), 163093#(<= ULTIMATE.start_main_~i~4 32), 163098#(<= ULTIMATE.start_main_~i~4 42), 163099#(<= ULTIMATE.start_main_~i~4 44), 163096#(<= ULTIMATE.start_main_~i~4 38), 163097#(<= ULTIMATE.start_main_~i~4 40), 163102#(<= ULTIMATE.start_main_~i~4 50), 163103#(<= ULTIMATE.start_main_~i~4 52), 163100#(<= ULTIMATE.start_main_~i~4 46), 163101#(<= ULTIMATE.start_main_~i~4 48), 163106#(<= ULTIMATE.start_main_~i~4 58), 163107#(<= ULTIMATE.start_main_~i~4 60), 163104#(<= ULTIMATE.start_main_~i~4 54), 163105#(<= ULTIMATE.start_main_~i~4 56), 163110#(<= ULTIMATE.start_main_~i~4 66), 163111#(<= ULTIMATE.start_main_~i~4 68), 163108#(<= ULTIMATE.start_main_~i~4 62), 163109#(<= ULTIMATE.start_main_~i~4 64), 163114#(<= ULTIMATE.start_main_~i~4 74), 163115#(<= ULTIMATE.start_main_~i~4 76), 163112#(<= ULTIMATE.start_main_~i~4 70), 163113#(<= ULTIMATE.start_main_~i~4 72), 163118#(<= ULTIMATE.start_main_~i~4 82), 163119#(<= ULTIMATE.start_main_~i~4 84), 163116#(<= ULTIMATE.start_main_~i~4 78), 163117#(<= ULTIMATE.start_main_~i~4 80), 163122#(<= ULTIMATE.start_main_~i~4 90), 163123#(<= ULTIMATE.start_main_~i~4 92), 163120#(<= ULTIMATE.start_main_~i~4 86), 163121#(<= ULTIMATE.start_main_~i~4 88), 163126#(<= ULTIMATE.start_main_~i~4 98), 163127#(<= ULTIMATE.start_main_~i~4 100), 163124#(<= ULTIMATE.start_main_~i~4 94), 163125#(<= ULTIMATE.start_main_~i~4 96), 163130#(<= ULTIMATE.start_main_~i~4 106), 163131#(<= ULTIMATE.start_main_~i~4 108), 163128#(<= ULTIMATE.start_main_~i~4 102), 163129#(<= ULTIMATE.start_main_~i~4 104), 163134#(<= ULTIMATE.start_main_~i~4 114), 163135#(<= ULTIMATE.start_main_~i~4 116), 163132#(<= ULTIMATE.start_main_~i~4 110), 163133#(<= ULTIMATE.start_main_~i~4 112), 163138#(<= ULTIMATE.start_main_~i~4 122), 163139#(<= ULTIMATE.start_main_~i~4 124), 163136#(<= ULTIMATE.start_main_~i~4 118), 163137#(<= ULTIMATE.start_main_~i~4 120), 163142#(<= ULTIMATE.start_main_~i~4 130), 163143#(<= ULTIMATE.start_main_~i~4 132), 163140#(<= ULTIMATE.start_main_~i~4 126), 163141#(<= ULTIMATE.start_main_~i~4 128), 163146#(<= ULTIMATE.start_main_~i~4 138), 163147#(<= ULTIMATE.start_main_~i~4 140), 163144#(<= ULTIMATE.start_main_~i~4 134), 163145#(<= ULTIMATE.start_main_~i~4 136), 163150#(<= ULTIMATE.start_main_~i~4 146), 163151#(<= ULTIMATE.start_main_~i~4 148), 163148#(<= ULTIMATE.start_main_~i~4 142), 163149#(<= ULTIMATE.start_main_~i~4 144), 163154#(<= ULTIMATE.start_main_~i~4 154), 163155#(<= ULTIMATE.start_main_~i~4 156), 163152#(<= ULTIMATE.start_main_~i~4 150), 163153#(<= ULTIMATE.start_main_~i~4 152), 163158#(<= ULTIMATE.start_main_~i~4 162), 163159#(<= ULTIMATE.start_main_~i~4 164), 163156#(<= ULTIMATE.start_main_~i~4 158), 163157#(<= ULTIMATE.start_main_~i~4 160), 163162#(<= ULTIMATE.start_main_~i~4 170), 163163#(<= ULTIMATE.start_main_~i~4 172), 163160#(<= ULTIMATE.start_main_~i~4 166), 163161#(<= ULTIMATE.start_main_~i~4 168), 163166#(<= ULTIMATE.start_main_~i~4 178), 163167#(<= ULTIMATE.start_main_~i~4 180), 163164#(<= ULTIMATE.start_main_~i~4 174), 163165#(<= ULTIMATE.start_main_~i~4 176), 163170#(<= ULTIMATE.start_main_~i~4 186), 163171#(<= ULTIMATE.start_main_~i~4 188), 163168#(<= ULTIMATE.start_main_~i~4 182), 163169#(<= ULTIMATE.start_main_~i~4 184), 163174#(<= ULTIMATE.start_main_~i~4 194), 163175#(<= ULTIMATE.start_main_~i~4 196), 163172#(<= ULTIMATE.start_main_~i~4 190), 163173#(<= ULTIMATE.start_main_~i~4 192), 163178#(<= ULTIMATE.start_main_~i~4 202), 163179#(<= ULTIMATE.start_main_~i~4 204), 163176#(<= ULTIMATE.start_main_~i~4 198), 163177#(<= ULTIMATE.start_main_~i~4 200), 163182#(<= ULTIMATE.start_main_~i~4 210), 163183#(<= ULTIMATE.start_main_~i~4 212), 163180#(<= ULTIMATE.start_main_~i~4 206), 163181#(<= ULTIMATE.start_main_~i~4 208), 163186#(<= ULTIMATE.start_main_~i~4 218), 163187#(<= ULTIMATE.start_main_~i~4 220), 163184#(<= ULTIMATE.start_main_~i~4 214), 163185#(<= ULTIMATE.start_main_~i~4 216), 163190#(<= ULTIMATE.start_main_~i~4 226), 163191#(<= ULTIMATE.start_main_~i~4 228), 163188#(<= ULTIMATE.start_main_~i~4 222), 163189#(<= ULTIMATE.start_main_~i~4 224), 163194#(<= ULTIMATE.start_main_~i~4 234), 163195#(<= ULTIMATE.start_main_~i~4 236), 163192#(<= ULTIMATE.start_main_~i~4 230), 163193#(<= ULTIMATE.start_main_~i~4 232), 163198#(<= ULTIMATE.start_main_~i~4 242), 163199#(<= ULTIMATE.start_main_~i~4 244), 163196#(<= ULTIMATE.start_main_~i~4 238), 163197#(<= ULTIMATE.start_main_~i~4 240), 163202#(<= ULTIMATE.start_main_~i~4 250), 163203#(<= ULTIMATE.start_main_~i~4 252), 163200#(<= ULTIMATE.start_main_~i~4 246), 163201#(<= ULTIMATE.start_main_~i~4 248), 163206#(<= ULTIMATE.start_main_~i~4 258), 163207#(<= ULTIMATE.start_main_~i~4 260), 163204#(<= ULTIMATE.start_main_~i~4 254), 163205#(<= ULTIMATE.start_main_~i~4 256), 163210#(<= ULTIMATE.start_main_~i~4 266), 163211#(<= ULTIMATE.start_main_~i~4 268), 163208#(<= ULTIMATE.start_main_~i~4 262), 163209#(<= ULTIMATE.start_main_~i~4 264), 163214#(<= ULTIMATE.start_main_~i~4 274), 163215#(<= ULTIMATE.start_main_~i~4 276), 163212#(<= ULTIMATE.start_main_~i~4 270), 163213#(<= ULTIMATE.start_main_~i~4 272), 163218#(<= ULTIMATE.start_main_~i~4 282), 163219#(<= ULTIMATE.start_main_~i~4 284), 163216#(<= ULTIMATE.start_main_~i~4 278), 163217#(<= ULTIMATE.start_main_~i~4 280), 163222#(<= ULTIMATE.start_main_~i~4 290), 163223#(<= ULTIMATE.start_main_~i~4 292), 163220#(<= ULTIMATE.start_main_~i~4 286), 163221#(<= ULTIMATE.start_main_~i~4 288), 163226#(<= ULTIMATE.start_main_~i~4 298), 163227#(<= ULTIMATE.start_main_~i~4 300), 163224#(<= ULTIMATE.start_main_~i~4 294), 163225#(<= ULTIMATE.start_main_~i~4 296), 163230#(<= ULTIMATE.start_main_~i~4 306), 163231#(<= ULTIMATE.start_main_~i~4 308), 163228#(<= ULTIMATE.start_main_~i~4 302), 163229#(<= ULTIMATE.start_main_~i~4 304), 163234#(<= ULTIMATE.start_main_~i~4 314), 163235#(<= ULTIMATE.start_main_~i~4 316), 163232#(<= ULTIMATE.start_main_~i~4 310), 163233#(<= ULTIMATE.start_main_~i~4 312), 163238#(<= ULTIMATE.start_main_~i~4 322), 163239#(<= ULTIMATE.start_main_~i~4 324), 163236#(<= ULTIMATE.start_main_~i~4 318), 163237#(<= ULTIMATE.start_main_~i~4 320), 163242#(<= ULTIMATE.start_main_~i~4 330), 163243#(<= ULTIMATE.start_main_~i~4 332), 163240#(<= ULTIMATE.start_main_~i~4 326), 163241#(<= ULTIMATE.start_main_~i~4 328), 163246#(<= ULTIMATE.start_main_~i~4 338), 163247#(<= ULTIMATE.start_main_~i~4 340), 163244#(<= ULTIMATE.start_main_~i~4 334), 163245#(<= ULTIMATE.start_main_~i~4 336), 163250#(<= ULTIMATE.start_main_~i~4 346), 163251#(<= ULTIMATE.start_main_~i~4 348), 163248#(<= ULTIMATE.start_main_~i~4 342), 163249#(<= ULTIMATE.start_main_~i~4 344), 163254#(<= ULTIMATE.start_main_~i~4 354), 163255#(<= ULTIMATE.start_main_~i~4 356), 163252#(<= ULTIMATE.start_main_~i~4 350), 163253#(<= ULTIMATE.start_main_~i~4 352), 163258#(<= ULTIMATE.start_main_~i~4 362), 163259#(<= ULTIMATE.start_main_~i~4 364), 163256#(<= ULTIMATE.start_main_~i~4 358), 163257#(<= ULTIMATE.start_main_~i~4 360), 163262#(<= ULTIMATE.start_main_~i~4 370), 163263#(<= ULTIMATE.start_main_~i~4 372), 163260#(<= ULTIMATE.start_main_~i~4 366), 163261#(<= ULTIMATE.start_main_~i~4 368), 163264#(<= ULTIMATE.start_main_~i~4 374)] [2018-07-23 13:46:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 35156 backedges. 0 proven. 35156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:46:55,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:46:55,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:46:55,649 INFO L87 Difference]: Start difference. First operand 379 states and 379 transitions. Second operand 190 states. [2018-07-23 13:46:57,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:57,320 INFO L93 Difference]: Finished difference Result 383 states and 383 transitions. [2018-07-23 13:46:57,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:46:57,320 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 378 [2018-07-23 13:46:57,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:57,321 INFO L225 Difference]: With dead ends: 383 [2018-07-23 13:46:57,321 INFO L226 Difference]: Without dead ends: 381 [2018-07-23 13:46:57,322 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:46:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-07-23 13:46:57,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-07-23 13:46:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-07-23 13:46:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 381 transitions. [2018-07-23 13:46:57,326 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 381 transitions. Word has length 378 [2018-07-23 13:46:57,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:57,326 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 381 transitions. [2018-07-23 13:46:57,326 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:46:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 381 transitions. [2018-07-23 13:46:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-07-23 13:46:57,327 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:57,327 INFO L357 BasicCegarLoop]: trace histogram [189, 188, 1, 1, 1] [2018-07-23 13:46:57,328 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:57,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1309590367, now seen corresponding path program 188 times [2018-07-23 13:46:57,328 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 35532 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,352 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:58,353 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:46:58,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,353 INFO L185 omatonBuilderFactory]: Interpolants [164866#(<= ULTIMATE.start_main_~i~4 142), 164867#(<= ULTIMATE.start_main_~i~4 144), 164864#(<= ULTIMATE.start_main_~i~4 138), 164865#(<= ULTIMATE.start_main_~i~4 140), 164870#(<= ULTIMATE.start_main_~i~4 150), 164871#(<= ULTIMATE.start_main_~i~4 152), 164868#(<= ULTIMATE.start_main_~i~4 146), 164869#(<= ULTIMATE.start_main_~i~4 148), 164874#(<= ULTIMATE.start_main_~i~4 158), 164875#(<= ULTIMATE.start_main_~i~4 160), 164872#(<= ULTIMATE.start_main_~i~4 154), 164873#(<= ULTIMATE.start_main_~i~4 156), 164878#(<= ULTIMATE.start_main_~i~4 166), 164879#(<= ULTIMATE.start_main_~i~4 168), 164876#(<= ULTIMATE.start_main_~i~4 162), 164877#(<= ULTIMATE.start_main_~i~4 164), 164882#(<= ULTIMATE.start_main_~i~4 174), 164883#(<= ULTIMATE.start_main_~i~4 176), 164880#(<= ULTIMATE.start_main_~i~4 170), 164881#(<= ULTIMATE.start_main_~i~4 172), 164886#(<= ULTIMATE.start_main_~i~4 182), 164887#(<= ULTIMATE.start_main_~i~4 184), 164884#(<= ULTIMATE.start_main_~i~4 178), 164885#(<= ULTIMATE.start_main_~i~4 180), 164890#(<= ULTIMATE.start_main_~i~4 190), 164891#(<= ULTIMATE.start_main_~i~4 192), 164888#(<= ULTIMATE.start_main_~i~4 186), 164889#(<= ULTIMATE.start_main_~i~4 188), 164894#(<= ULTIMATE.start_main_~i~4 198), 164895#(<= ULTIMATE.start_main_~i~4 200), 164892#(<= ULTIMATE.start_main_~i~4 194), 164893#(<= ULTIMATE.start_main_~i~4 196), 164898#(<= ULTIMATE.start_main_~i~4 206), 164899#(<= ULTIMATE.start_main_~i~4 208), 164896#(<= ULTIMATE.start_main_~i~4 202), 164897#(<= ULTIMATE.start_main_~i~4 204), 164902#(<= ULTIMATE.start_main_~i~4 214), 164903#(<= ULTIMATE.start_main_~i~4 216), 164900#(<= ULTIMATE.start_main_~i~4 210), 164901#(<= ULTIMATE.start_main_~i~4 212), 164906#(<= ULTIMATE.start_main_~i~4 222), 164907#(<= ULTIMATE.start_main_~i~4 224), 164904#(<= ULTIMATE.start_main_~i~4 218), 164905#(<= ULTIMATE.start_main_~i~4 220), 164910#(<= ULTIMATE.start_main_~i~4 230), 164911#(<= ULTIMATE.start_main_~i~4 232), 164908#(<= ULTIMATE.start_main_~i~4 226), 164909#(<= ULTIMATE.start_main_~i~4 228), 164914#(<= ULTIMATE.start_main_~i~4 238), 164915#(<= ULTIMATE.start_main_~i~4 240), 164912#(<= ULTIMATE.start_main_~i~4 234), 164913#(<= ULTIMATE.start_main_~i~4 236), 164918#(<= ULTIMATE.start_main_~i~4 246), 164919#(<= ULTIMATE.start_main_~i~4 248), 164916#(<= ULTIMATE.start_main_~i~4 242), 164917#(<= ULTIMATE.start_main_~i~4 244), 164922#(<= ULTIMATE.start_main_~i~4 254), 164923#(<= ULTIMATE.start_main_~i~4 256), 164920#(<= ULTIMATE.start_main_~i~4 250), 164921#(<= ULTIMATE.start_main_~i~4 252), 164926#(<= ULTIMATE.start_main_~i~4 262), 164927#(<= ULTIMATE.start_main_~i~4 264), 164924#(<= ULTIMATE.start_main_~i~4 258), 164925#(<= ULTIMATE.start_main_~i~4 260), 164930#(<= ULTIMATE.start_main_~i~4 270), 164931#(<= ULTIMATE.start_main_~i~4 272), 164928#(<= ULTIMATE.start_main_~i~4 266), 164929#(<= ULTIMATE.start_main_~i~4 268), 164934#(<= ULTIMATE.start_main_~i~4 278), 164935#(<= ULTIMATE.start_main_~i~4 280), 164932#(<= ULTIMATE.start_main_~i~4 274), 164933#(<= ULTIMATE.start_main_~i~4 276), 164938#(<= ULTIMATE.start_main_~i~4 286), 164939#(<= ULTIMATE.start_main_~i~4 288), 164936#(<= ULTIMATE.start_main_~i~4 282), 164937#(<= ULTIMATE.start_main_~i~4 284), 164942#(<= ULTIMATE.start_main_~i~4 294), 164943#(<= ULTIMATE.start_main_~i~4 296), 164940#(<= ULTIMATE.start_main_~i~4 290), 164941#(<= ULTIMATE.start_main_~i~4 292), 164946#(<= ULTIMATE.start_main_~i~4 302), 164947#(<= ULTIMATE.start_main_~i~4 304), 164944#(<= ULTIMATE.start_main_~i~4 298), 164945#(<= ULTIMATE.start_main_~i~4 300), 164950#(<= ULTIMATE.start_main_~i~4 310), 164951#(<= ULTIMATE.start_main_~i~4 312), 164948#(<= ULTIMATE.start_main_~i~4 306), 164949#(<= ULTIMATE.start_main_~i~4 308), 164954#(<= ULTIMATE.start_main_~i~4 318), 164955#(<= ULTIMATE.start_main_~i~4 320), 164952#(<= ULTIMATE.start_main_~i~4 314), 164953#(<= ULTIMATE.start_main_~i~4 316), 164958#(<= ULTIMATE.start_main_~i~4 326), 164959#(<= ULTIMATE.start_main_~i~4 328), 164956#(<= ULTIMATE.start_main_~i~4 322), 164957#(<= ULTIMATE.start_main_~i~4 324), 164962#(<= ULTIMATE.start_main_~i~4 334), 164963#(<= ULTIMATE.start_main_~i~4 336), 164960#(<= ULTIMATE.start_main_~i~4 330), 164961#(<= ULTIMATE.start_main_~i~4 332), 164966#(<= ULTIMATE.start_main_~i~4 342), 164967#(<= ULTIMATE.start_main_~i~4 344), 164964#(<= ULTIMATE.start_main_~i~4 338), 164965#(<= ULTIMATE.start_main_~i~4 340), 164970#(<= ULTIMATE.start_main_~i~4 350), 164971#(<= ULTIMATE.start_main_~i~4 352), 164968#(<= ULTIMATE.start_main_~i~4 346), 164969#(<= ULTIMATE.start_main_~i~4 348), 164974#(<= ULTIMATE.start_main_~i~4 358), 164975#(<= ULTIMATE.start_main_~i~4 360), 164972#(<= ULTIMATE.start_main_~i~4 354), 164973#(<= ULTIMATE.start_main_~i~4 356), 164978#(<= ULTIMATE.start_main_~i~4 366), 164979#(<= ULTIMATE.start_main_~i~4 368), 164976#(<= ULTIMATE.start_main_~i~4 362), 164977#(<= ULTIMATE.start_main_~i~4 364), 164982#(<= ULTIMATE.start_main_~i~4 374), 164983#(<= ULTIMATE.start_main_~i~4 376), 164980#(<= ULTIMATE.start_main_~i~4 370), 164981#(<= ULTIMATE.start_main_~i~4 372), 164794#false, 164795#(<= ULTIMATE.start_main_~i~4 0), 164793#true, 164798#(<= ULTIMATE.start_main_~i~4 6), 164799#(<= ULTIMATE.start_main_~i~4 8), 164796#(<= ULTIMATE.start_main_~i~4 2), 164797#(<= ULTIMATE.start_main_~i~4 4), 164802#(<= ULTIMATE.start_main_~i~4 14), 164803#(<= ULTIMATE.start_main_~i~4 16), 164800#(<= ULTIMATE.start_main_~i~4 10), 164801#(<= ULTIMATE.start_main_~i~4 12), 164806#(<= ULTIMATE.start_main_~i~4 22), 164807#(<= ULTIMATE.start_main_~i~4 24), 164804#(<= ULTIMATE.start_main_~i~4 18), 164805#(<= ULTIMATE.start_main_~i~4 20), 164810#(<= ULTIMATE.start_main_~i~4 30), 164811#(<= ULTIMATE.start_main_~i~4 32), 164808#(<= ULTIMATE.start_main_~i~4 26), 164809#(<= ULTIMATE.start_main_~i~4 28), 164814#(<= ULTIMATE.start_main_~i~4 38), 164815#(<= ULTIMATE.start_main_~i~4 40), 164812#(<= ULTIMATE.start_main_~i~4 34), 164813#(<= ULTIMATE.start_main_~i~4 36), 164818#(<= ULTIMATE.start_main_~i~4 46), 164819#(<= ULTIMATE.start_main_~i~4 48), 164816#(<= ULTIMATE.start_main_~i~4 42), 164817#(<= ULTIMATE.start_main_~i~4 44), 164822#(<= ULTIMATE.start_main_~i~4 54), 164823#(<= ULTIMATE.start_main_~i~4 56), 164820#(<= ULTIMATE.start_main_~i~4 50), 164821#(<= ULTIMATE.start_main_~i~4 52), 164826#(<= ULTIMATE.start_main_~i~4 62), 164827#(<= ULTIMATE.start_main_~i~4 64), 164824#(<= ULTIMATE.start_main_~i~4 58), 164825#(<= ULTIMATE.start_main_~i~4 60), 164830#(<= ULTIMATE.start_main_~i~4 70), 164831#(<= ULTIMATE.start_main_~i~4 72), 164828#(<= ULTIMATE.start_main_~i~4 66), 164829#(<= ULTIMATE.start_main_~i~4 68), 164834#(<= ULTIMATE.start_main_~i~4 78), 164835#(<= ULTIMATE.start_main_~i~4 80), 164832#(<= ULTIMATE.start_main_~i~4 74), 164833#(<= ULTIMATE.start_main_~i~4 76), 164838#(<= ULTIMATE.start_main_~i~4 86), 164839#(<= ULTIMATE.start_main_~i~4 88), 164836#(<= ULTIMATE.start_main_~i~4 82), 164837#(<= ULTIMATE.start_main_~i~4 84), 164842#(<= ULTIMATE.start_main_~i~4 94), 164843#(<= ULTIMATE.start_main_~i~4 96), 164840#(<= ULTIMATE.start_main_~i~4 90), 164841#(<= ULTIMATE.start_main_~i~4 92), 164846#(<= ULTIMATE.start_main_~i~4 102), 164847#(<= ULTIMATE.start_main_~i~4 104), 164844#(<= ULTIMATE.start_main_~i~4 98), 164845#(<= ULTIMATE.start_main_~i~4 100), 164850#(<= ULTIMATE.start_main_~i~4 110), 164851#(<= ULTIMATE.start_main_~i~4 112), 164848#(<= ULTIMATE.start_main_~i~4 106), 164849#(<= ULTIMATE.start_main_~i~4 108), 164854#(<= ULTIMATE.start_main_~i~4 118), 164855#(<= ULTIMATE.start_main_~i~4 120), 164852#(<= ULTIMATE.start_main_~i~4 114), 164853#(<= ULTIMATE.start_main_~i~4 116), 164858#(<= ULTIMATE.start_main_~i~4 126), 164859#(<= ULTIMATE.start_main_~i~4 128), 164856#(<= ULTIMATE.start_main_~i~4 122), 164857#(<= ULTIMATE.start_main_~i~4 124), 164862#(<= ULTIMATE.start_main_~i~4 134), 164863#(<= ULTIMATE.start_main_~i~4 136), 164860#(<= ULTIMATE.start_main_~i~4 130), 164861#(<= ULTIMATE.start_main_~i~4 132)] [2018-07-23 13:46:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 35532 backedges. 0 proven. 35532 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,355 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:46:58,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:46:58,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:46:58,360 INFO L87 Difference]: Start difference. First operand 381 states and 381 transitions. Second operand 191 states. [2018-07-23 13:46:59,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:59,115 INFO L93 Difference]: Finished difference Result 385 states and 385 transitions. [2018-07-23 13:46:59,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:46:59,115 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 380 [2018-07-23 13:46:59,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:59,115 INFO L225 Difference]: With dead ends: 385 [2018-07-23 13:46:59,115 INFO L226 Difference]: Without dead ends: 383 [2018-07-23 13:46:59,117 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:46:59,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-07-23 13:46:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-07-23 13:46:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-23 13:46:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 383 transitions. [2018-07-23 13:46:59,121 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 383 transitions. Word has length 380 [2018-07-23 13:46:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:59,121 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 383 transitions. [2018-07-23 13:46:59,121 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:46:59,121 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 383 transitions. [2018-07-23 13:46:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-07-23 13:46:59,122 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:59,123 INFO L357 BasicCegarLoop]: trace histogram [190, 189, 1, 1, 1] [2018-07-23 13:46:59,123 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:59,123 INFO L82 PathProgramCache]: Analyzing trace with hash 90977049, now seen corresponding path program 189 times [2018-07-23 13:46:59,123 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 35910 backedges. 0 proven. 35910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:00,242 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:00,242 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:47:00,242 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:00,243 INFO L185 omatonBuilderFactory]: Interpolants [166658#(<= ULTIMATE.start_main_~i~4 272), 166659#(<= ULTIMATE.start_main_~i~4 274), 166656#(<= ULTIMATE.start_main_~i~4 268), 166657#(<= ULTIMATE.start_main_~i~4 270), 166662#(<= ULTIMATE.start_main_~i~4 280), 166663#(<= ULTIMATE.start_main_~i~4 282), 166660#(<= ULTIMATE.start_main_~i~4 276), 166661#(<= ULTIMATE.start_main_~i~4 278), 166666#(<= ULTIMATE.start_main_~i~4 288), 166667#(<= ULTIMATE.start_main_~i~4 290), 166664#(<= ULTIMATE.start_main_~i~4 284), 166665#(<= ULTIMATE.start_main_~i~4 286), 166670#(<= ULTIMATE.start_main_~i~4 296), 166671#(<= ULTIMATE.start_main_~i~4 298), 166668#(<= ULTIMATE.start_main_~i~4 292), 166669#(<= ULTIMATE.start_main_~i~4 294), 166674#(<= ULTIMATE.start_main_~i~4 304), 166675#(<= ULTIMATE.start_main_~i~4 306), 166672#(<= ULTIMATE.start_main_~i~4 300), 166673#(<= ULTIMATE.start_main_~i~4 302), 166678#(<= ULTIMATE.start_main_~i~4 312), 166679#(<= ULTIMATE.start_main_~i~4 314), 166676#(<= ULTIMATE.start_main_~i~4 308), 166677#(<= ULTIMATE.start_main_~i~4 310), 166682#(<= ULTIMATE.start_main_~i~4 320), 166683#(<= ULTIMATE.start_main_~i~4 322), 166680#(<= ULTIMATE.start_main_~i~4 316), 166681#(<= ULTIMATE.start_main_~i~4 318), 166686#(<= ULTIMATE.start_main_~i~4 328), 166687#(<= ULTIMATE.start_main_~i~4 330), 166684#(<= ULTIMATE.start_main_~i~4 324), 166685#(<= ULTIMATE.start_main_~i~4 326), 166690#(<= ULTIMATE.start_main_~i~4 336), 166691#(<= ULTIMATE.start_main_~i~4 338), 166688#(<= ULTIMATE.start_main_~i~4 332), 166689#(<= ULTIMATE.start_main_~i~4 334), 166694#(<= ULTIMATE.start_main_~i~4 344), 166695#(<= ULTIMATE.start_main_~i~4 346), 166692#(<= ULTIMATE.start_main_~i~4 340), 166693#(<= ULTIMATE.start_main_~i~4 342), 166698#(<= ULTIMATE.start_main_~i~4 352), 166699#(<= ULTIMATE.start_main_~i~4 354), 166696#(<= ULTIMATE.start_main_~i~4 348), 166697#(<= ULTIMATE.start_main_~i~4 350), 166702#(<= ULTIMATE.start_main_~i~4 360), 166703#(<= ULTIMATE.start_main_~i~4 362), 166700#(<= ULTIMATE.start_main_~i~4 356), 166701#(<= ULTIMATE.start_main_~i~4 358), 166706#(<= ULTIMATE.start_main_~i~4 368), 166707#(<= ULTIMATE.start_main_~i~4 370), 166704#(<= ULTIMATE.start_main_~i~4 364), 166705#(<= ULTIMATE.start_main_~i~4 366), 166710#(<= ULTIMATE.start_main_~i~4 376), 166711#(<= ULTIMATE.start_main_~i~4 378), 166708#(<= ULTIMATE.start_main_~i~4 372), 166709#(<= ULTIMATE.start_main_~i~4 374), 166522#(<= ULTIMATE.start_main_~i~4 0), 166523#(<= ULTIMATE.start_main_~i~4 2), 166520#true, 166521#false, 166526#(<= ULTIMATE.start_main_~i~4 8), 166527#(<= ULTIMATE.start_main_~i~4 10), 166524#(<= ULTIMATE.start_main_~i~4 4), 166525#(<= ULTIMATE.start_main_~i~4 6), 166530#(<= ULTIMATE.start_main_~i~4 16), 166531#(<= ULTIMATE.start_main_~i~4 18), 166528#(<= ULTIMATE.start_main_~i~4 12), 166529#(<= ULTIMATE.start_main_~i~4 14), 166534#(<= ULTIMATE.start_main_~i~4 24), 166535#(<= ULTIMATE.start_main_~i~4 26), 166532#(<= ULTIMATE.start_main_~i~4 20), 166533#(<= ULTIMATE.start_main_~i~4 22), 166538#(<= ULTIMATE.start_main_~i~4 32), 166539#(<= ULTIMATE.start_main_~i~4 34), 166536#(<= ULTIMATE.start_main_~i~4 28), 166537#(<= ULTIMATE.start_main_~i~4 30), 166542#(<= ULTIMATE.start_main_~i~4 40), 166543#(<= ULTIMATE.start_main_~i~4 42), 166540#(<= ULTIMATE.start_main_~i~4 36), 166541#(<= ULTIMATE.start_main_~i~4 38), 166546#(<= ULTIMATE.start_main_~i~4 48), 166547#(<= ULTIMATE.start_main_~i~4 50), 166544#(<= ULTIMATE.start_main_~i~4 44), 166545#(<= ULTIMATE.start_main_~i~4 46), 166550#(<= ULTIMATE.start_main_~i~4 56), 166551#(<= ULTIMATE.start_main_~i~4 58), 166548#(<= ULTIMATE.start_main_~i~4 52), 166549#(<= ULTIMATE.start_main_~i~4 54), 166554#(<= ULTIMATE.start_main_~i~4 64), 166555#(<= ULTIMATE.start_main_~i~4 66), 166552#(<= ULTIMATE.start_main_~i~4 60), 166553#(<= ULTIMATE.start_main_~i~4 62), 166558#(<= ULTIMATE.start_main_~i~4 72), 166559#(<= ULTIMATE.start_main_~i~4 74), 166556#(<= ULTIMATE.start_main_~i~4 68), 166557#(<= ULTIMATE.start_main_~i~4 70), 166562#(<= ULTIMATE.start_main_~i~4 80), 166563#(<= ULTIMATE.start_main_~i~4 82), 166560#(<= ULTIMATE.start_main_~i~4 76), 166561#(<= ULTIMATE.start_main_~i~4 78), 166566#(<= ULTIMATE.start_main_~i~4 88), 166567#(<= ULTIMATE.start_main_~i~4 90), 166564#(<= ULTIMATE.start_main_~i~4 84), 166565#(<= ULTIMATE.start_main_~i~4 86), 166570#(<= ULTIMATE.start_main_~i~4 96), 166571#(<= ULTIMATE.start_main_~i~4 98), 166568#(<= ULTIMATE.start_main_~i~4 92), 166569#(<= ULTIMATE.start_main_~i~4 94), 166574#(<= ULTIMATE.start_main_~i~4 104), 166575#(<= ULTIMATE.start_main_~i~4 106), 166572#(<= ULTIMATE.start_main_~i~4 100), 166573#(<= ULTIMATE.start_main_~i~4 102), 166578#(<= ULTIMATE.start_main_~i~4 112), 166579#(<= ULTIMATE.start_main_~i~4 114), 166576#(<= ULTIMATE.start_main_~i~4 108), 166577#(<= ULTIMATE.start_main_~i~4 110), 166582#(<= ULTIMATE.start_main_~i~4 120), 166583#(<= ULTIMATE.start_main_~i~4 122), 166580#(<= ULTIMATE.start_main_~i~4 116), 166581#(<= ULTIMATE.start_main_~i~4 118), 166586#(<= ULTIMATE.start_main_~i~4 128), 166587#(<= ULTIMATE.start_main_~i~4 130), 166584#(<= ULTIMATE.start_main_~i~4 124), 166585#(<= ULTIMATE.start_main_~i~4 126), 166590#(<= ULTIMATE.start_main_~i~4 136), 166591#(<= ULTIMATE.start_main_~i~4 138), 166588#(<= ULTIMATE.start_main_~i~4 132), 166589#(<= ULTIMATE.start_main_~i~4 134), 166594#(<= ULTIMATE.start_main_~i~4 144), 166595#(<= ULTIMATE.start_main_~i~4 146), 166592#(<= ULTIMATE.start_main_~i~4 140), 166593#(<= ULTIMATE.start_main_~i~4 142), 166598#(<= ULTIMATE.start_main_~i~4 152), 166599#(<= ULTIMATE.start_main_~i~4 154), 166596#(<= ULTIMATE.start_main_~i~4 148), 166597#(<= ULTIMATE.start_main_~i~4 150), 166602#(<= ULTIMATE.start_main_~i~4 160), 166603#(<= ULTIMATE.start_main_~i~4 162), 166600#(<= ULTIMATE.start_main_~i~4 156), 166601#(<= ULTIMATE.start_main_~i~4 158), 166606#(<= ULTIMATE.start_main_~i~4 168), 166607#(<= ULTIMATE.start_main_~i~4 170), 166604#(<= ULTIMATE.start_main_~i~4 164), 166605#(<= ULTIMATE.start_main_~i~4 166), 166610#(<= ULTIMATE.start_main_~i~4 176), 166611#(<= ULTIMATE.start_main_~i~4 178), 166608#(<= ULTIMATE.start_main_~i~4 172), 166609#(<= ULTIMATE.start_main_~i~4 174), 166614#(<= ULTIMATE.start_main_~i~4 184), 166615#(<= ULTIMATE.start_main_~i~4 186), 166612#(<= ULTIMATE.start_main_~i~4 180), 166613#(<= ULTIMATE.start_main_~i~4 182), 166618#(<= ULTIMATE.start_main_~i~4 192), 166619#(<= ULTIMATE.start_main_~i~4 194), 166616#(<= ULTIMATE.start_main_~i~4 188), 166617#(<= ULTIMATE.start_main_~i~4 190), 166622#(<= ULTIMATE.start_main_~i~4 200), 166623#(<= ULTIMATE.start_main_~i~4 202), 166620#(<= ULTIMATE.start_main_~i~4 196), 166621#(<= ULTIMATE.start_main_~i~4 198), 166626#(<= ULTIMATE.start_main_~i~4 208), 166627#(<= ULTIMATE.start_main_~i~4 210), 166624#(<= ULTIMATE.start_main_~i~4 204), 166625#(<= ULTIMATE.start_main_~i~4 206), 166630#(<= ULTIMATE.start_main_~i~4 216), 166631#(<= ULTIMATE.start_main_~i~4 218), 166628#(<= ULTIMATE.start_main_~i~4 212), 166629#(<= ULTIMATE.start_main_~i~4 214), 166634#(<= ULTIMATE.start_main_~i~4 224), 166635#(<= ULTIMATE.start_main_~i~4 226), 166632#(<= ULTIMATE.start_main_~i~4 220), 166633#(<= ULTIMATE.start_main_~i~4 222), 166638#(<= ULTIMATE.start_main_~i~4 232), 166639#(<= ULTIMATE.start_main_~i~4 234), 166636#(<= ULTIMATE.start_main_~i~4 228), 166637#(<= ULTIMATE.start_main_~i~4 230), 166642#(<= ULTIMATE.start_main_~i~4 240), 166643#(<= ULTIMATE.start_main_~i~4 242), 166640#(<= ULTIMATE.start_main_~i~4 236), 166641#(<= ULTIMATE.start_main_~i~4 238), 166646#(<= ULTIMATE.start_main_~i~4 248), 166647#(<= ULTIMATE.start_main_~i~4 250), 166644#(<= ULTIMATE.start_main_~i~4 244), 166645#(<= ULTIMATE.start_main_~i~4 246), 166650#(<= ULTIMATE.start_main_~i~4 256), 166651#(<= ULTIMATE.start_main_~i~4 258), 166648#(<= ULTIMATE.start_main_~i~4 252), 166649#(<= ULTIMATE.start_main_~i~4 254), 166654#(<= ULTIMATE.start_main_~i~4 264), 166655#(<= ULTIMATE.start_main_~i~4 266), 166652#(<= ULTIMATE.start_main_~i~4 260), 166653#(<= ULTIMATE.start_main_~i~4 262)] [2018-07-23 13:47:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 35910 backedges. 0 proven. 35910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:00,244 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:47:00,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:47:00,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:47:00,246 INFO L87 Difference]: Start difference. First operand 383 states and 383 transitions. Second operand 192 states. [2018-07-23 13:47:00,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:00,884 INFO L93 Difference]: Finished difference Result 387 states and 387 transitions. [2018-07-23 13:47:00,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:47:00,884 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 382 [2018-07-23 13:47:00,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:00,884 INFO L225 Difference]: With dead ends: 387 [2018-07-23 13:47:00,885 INFO L226 Difference]: Without dead ends: 385 [2018-07-23 13:47:00,885 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:47:00,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-07-23 13:47:00,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2018-07-23 13:47:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-07-23 13:47:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 385 transitions. [2018-07-23 13:47:00,889 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 385 transitions. Word has length 382 [2018-07-23 13:47:00,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:00,889 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 385 transitions. [2018-07-23 13:47:00,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:47:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 385 transitions. [2018-07-23 13:47:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-07-23 13:47:00,890 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:00,890 INFO L357 BasicCegarLoop]: trace histogram [191, 190, 1, 1, 1] [2018-07-23 13:47:00,891 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:00,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1529650259, now seen corresponding path program 190 times [2018-07-23 13:47:00,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 36290 backedges. 0 proven. 36290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,941 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:01,941 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:47:01,941 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,942 INFO L185 omatonBuilderFactory]: Interpolants [168448#(<= ULTIMATE.start_main_~i~4 380), 168258#(<= ULTIMATE.start_main_~i~4 0), 168259#(<= ULTIMATE.start_main_~i~4 2), 168256#true, 168257#false, 168262#(<= ULTIMATE.start_main_~i~4 8), 168263#(<= ULTIMATE.start_main_~i~4 10), 168260#(<= ULTIMATE.start_main_~i~4 4), 168261#(<= ULTIMATE.start_main_~i~4 6), 168266#(<= ULTIMATE.start_main_~i~4 16), 168267#(<= ULTIMATE.start_main_~i~4 18), 168264#(<= ULTIMATE.start_main_~i~4 12), 168265#(<= ULTIMATE.start_main_~i~4 14), 168270#(<= ULTIMATE.start_main_~i~4 24), 168271#(<= ULTIMATE.start_main_~i~4 26), 168268#(<= ULTIMATE.start_main_~i~4 20), 168269#(<= ULTIMATE.start_main_~i~4 22), 168274#(<= ULTIMATE.start_main_~i~4 32), 168275#(<= ULTIMATE.start_main_~i~4 34), 168272#(<= ULTIMATE.start_main_~i~4 28), 168273#(<= ULTIMATE.start_main_~i~4 30), 168278#(<= ULTIMATE.start_main_~i~4 40), 168279#(<= ULTIMATE.start_main_~i~4 42), 168276#(<= ULTIMATE.start_main_~i~4 36), 168277#(<= ULTIMATE.start_main_~i~4 38), 168282#(<= ULTIMATE.start_main_~i~4 48), 168283#(<= ULTIMATE.start_main_~i~4 50), 168280#(<= ULTIMATE.start_main_~i~4 44), 168281#(<= ULTIMATE.start_main_~i~4 46), 168286#(<= ULTIMATE.start_main_~i~4 56), 168287#(<= ULTIMATE.start_main_~i~4 58), 168284#(<= ULTIMATE.start_main_~i~4 52), 168285#(<= ULTIMATE.start_main_~i~4 54), 168290#(<= ULTIMATE.start_main_~i~4 64), 168291#(<= ULTIMATE.start_main_~i~4 66), 168288#(<= ULTIMATE.start_main_~i~4 60), 168289#(<= ULTIMATE.start_main_~i~4 62), 168294#(<= ULTIMATE.start_main_~i~4 72), 168295#(<= ULTIMATE.start_main_~i~4 74), 168292#(<= ULTIMATE.start_main_~i~4 68), 168293#(<= ULTIMATE.start_main_~i~4 70), 168298#(<= ULTIMATE.start_main_~i~4 80), 168299#(<= ULTIMATE.start_main_~i~4 82), 168296#(<= ULTIMATE.start_main_~i~4 76), 168297#(<= ULTIMATE.start_main_~i~4 78), 168302#(<= ULTIMATE.start_main_~i~4 88), 168303#(<= ULTIMATE.start_main_~i~4 90), 168300#(<= ULTIMATE.start_main_~i~4 84), 168301#(<= ULTIMATE.start_main_~i~4 86), 168306#(<= ULTIMATE.start_main_~i~4 96), 168307#(<= ULTIMATE.start_main_~i~4 98), 168304#(<= ULTIMATE.start_main_~i~4 92), 168305#(<= ULTIMATE.start_main_~i~4 94), 168310#(<= ULTIMATE.start_main_~i~4 104), 168311#(<= ULTIMATE.start_main_~i~4 106), 168308#(<= ULTIMATE.start_main_~i~4 100), 168309#(<= ULTIMATE.start_main_~i~4 102), 168314#(<= ULTIMATE.start_main_~i~4 112), 168315#(<= ULTIMATE.start_main_~i~4 114), 168312#(<= ULTIMATE.start_main_~i~4 108), 168313#(<= ULTIMATE.start_main_~i~4 110), 168318#(<= ULTIMATE.start_main_~i~4 120), 168319#(<= ULTIMATE.start_main_~i~4 122), 168316#(<= ULTIMATE.start_main_~i~4 116), 168317#(<= ULTIMATE.start_main_~i~4 118), 168322#(<= ULTIMATE.start_main_~i~4 128), 168323#(<= ULTIMATE.start_main_~i~4 130), 168320#(<= ULTIMATE.start_main_~i~4 124), 168321#(<= ULTIMATE.start_main_~i~4 126), 168326#(<= ULTIMATE.start_main_~i~4 136), 168327#(<= ULTIMATE.start_main_~i~4 138), 168324#(<= ULTIMATE.start_main_~i~4 132), 168325#(<= ULTIMATE.start_main_~i~4 134), 168330#(<= ULTIMATE.start_main_~i~4 144), 168331#(<= ULTIMATE.start_main_~i~4 146), 168328#(<= ULTIMATE.start_main_~i~4 140), 168329#(<= ULTIMATE.start_main_~i~4 142), 168334#(<= ULTIMATE.start_main_~i~4 152), 168335#(<= ULTIMATE.start_main_~i~4 154), 168332#(<= ULTIMATE.start_main_~i~4 148), 168333#(<= ULTIMATE.start_main_~i~4 150), 168338#(<= ULTIMATE.start_main_~i~4 160), 168339#(<= ULTIMATE.start_main_~i~4 162), 168336#(<= ULTIMATE.start_main_~i~4 156), 168337#(<= ULTIMATE.start_main_~i~4 158), 168342#(<= ULTIMATE.start_main_~i~4 168), 168343#(<= ULTIMATE.start_main_~i~4 170), 168340#(<= ULTIMATE.start_main_~i~4 164), 168341#(<= ULTIMATE.start_main_~i~4 166), 168346#(<= ULTIMATE.start_main_~i~4 176), 168347#(<= ULTIMATE.start_main_~i~4 178), 168344#(<= ULTIMATE.start_main_~i~4 172), 168345#(<= ULTIMATE.start_main_~i~4 174), 168350#(<= ULTIMATE.start_main_~i~4 184), 168351#(<= ULTIMATE.start_main_~i~4 186), 168348#(<= ULTIMATE.start_main_~i~4 180), 168349#(<= ULTIMATE.start_main_~i~4 182), 168354#(<= ULTIMATE.start_main_~i~4 192), 168355#(<= ULTIMATE.start_main_~i~4 194), 168352#(<= ULTIMATE.start_main_~i~4 188), 168353#(<= ULTIMATE.start_main_~i~4 190), 168358#(<= ULTIMATE.start_main_~i~4 200), 168359#(<= ULTIMATE.start_main_~i~4 202), 168356#(<= ULTIMATE.start_main_~i~4 196), 168357#(<= ULTIMATE.start_main_~i~4 198), 168362#(<= ULTIMATE.start_main_~i~4 208), 168363#(<= ULTIMATE.start_main_~i~4 210), 168360#(<= ULTIMATE.start_main_~i~4 204), 168361#(<= ULTIMATE.start_main_~i~4 206), 168366#(<= ULTIMATE.start_main_~i~4 216), 168367#(<= ULTIMATE.start_main_~i~4 218), 168364#(<= ULTIMATE.start_main_~i~4 212), 168365#(<= ULTIMATE.start_main_~i~4 214), 168370#(<= ULTIMATE.start_main_~i~4 224), 168371#(<= ULTIMATE.start_main_~i~4 226), 168368#(<= ULTIMATE.start_main_~i~4 220), 168369#(<= ULTIMATE.start_main_~i~4 222), 168374#(<= ULTIMATE.start_main_~i~4 232), 168375#(<= ULTIMATE.start_main_~i~4 234), 168372#(<= ULTIMATE.start_main_~i~4 228), 168373#(<= ULTIMATE.start_main_~i~4 230), 168378#(<= ULTIMATE.start_main_~i~4 240), 168379#(<= ULTIMATE.start_main_~i~4 242), 168376#(<= ULTIMATE.start_main_~i~4 236), 168377#(<= ULTIMATE.start_main_~i~4 238), 168382#(<= ULTIMATE.start_main_~i~4 248), 168383#(<= ULTIMATE.start_main_~i~4 250), 168380#(<= ULTIMATE.start_main_~i~4 244), 168381#(<= ULTIMATE.start_main_~i~4 246), 168386#(<= ULTIMATE.start_main_~i~4 256), 168387#(<= ULTIMATE.start_main_~i~4 258), 168384#(<= ULTIMATE.start_main_~i~4 252), 168385#(<= ULTIMATE.start_main_~i~4 254), 168390#(<= ULTIMATE.start_main_~i~4 264), 168391#(<= ULTIMATE.start_main_~i~4 266), 168388#(<= ULTIMATE.start_main_~i~4 260), 168389#(<= ULTIMATE.start_main_~i~4 262), 168394#(<= ULTIMATE.start_main_~i~4 272), 168395#(<= ULTIMATE.start_main_~i~4 274), 168392#(<= ULTIMATE.start_main_~i~4 268), 168393#(<= ULTIMATE.start_main_~i~4 270), 168398#(<= ULTIMATE.start_main_~i~4 280), 168399#(<= ULTIMATE.start_main_~i~4 282), 168396#(<= ULTIMATE.start_main_~i~4 276), 168397#(<= ULTIMATE.start_main_~i~4 278), 168402#(<= ULTIMATE.start_main_~i~4 288), 168403#(<= ULTIMATE.start_main_~i~4 290), 168400#(<= ULTIMATE.start_main_~i~4 284), 168401#(<= ULTIMATE.start_main_~i~4 286), 168406#(<= ULTIMATE.start_main_~i~4 296), 168407#(<= ULTIMATE.start_main_~i~4 298), 168404#(<= ULTIMATE.start_main_~i~4 292), 168405#(<= ULTIMATE.start_main_~i~4 294), 168410#(<= ULTIMATE.start_main_~i~4 304), 168411#(<= ULTIMATE.start_main_~i~4 306), 168408#(<= ULTIMATE.start_main_~i~4 300), 168409#(<= ULTIMATE.start_main_~i~4 302), 168414#(<= ULTIMATE.start_main_~i~4 312), 168415#(<= ULTIMATE.start_main_~i~4 314), 168412#(<= ULTIMATE.start_main_~i~4 308), 168413#(<= ULTIMATE.start_main_~i~4 310), 168418#(<= ULTIMATE.start_main_~i~4 320), 168419#(<= ULTIMATE.start_main_~i~4 322), 168416#(<= ULTIMATE.start_main_~i~4 316), 168417#(<= ULTIMATE.start_main_~i~4 318), 168422#(<= ULTIMATE.start_main_~i~4 328), 168423#(<= ULTIMATE.start_main_~i~4 330), 168420#(<= ULTIMATE.start_main_~i~4 324), 168421#(<= ULTIMATE.start_main_~i~4 326), 168426#(<= ULTIMATE.start_main_~i~4 336), 168427#(<= ULTIMATE.start_main_~i~4 338), 168424#(<= ULTIMATE.start_main_~i~4 332), 168425#(<= ULTIMATE.start_main_~i~4 334), 168430#(<= ULTIMATE.start_main_~i~4 344), 168431#(<= ULTIMATE.start_main_~i~4 346), 168428#(<= ULTIMATE.start_main_~i~4 340), 168429#(<= ULTIMATE.start_main_~i~4 342), 168434#(<= ULTIMATE.start_main_~i~4 352), 168435#(<= ULTIMATE.start_main_~i~4 354), 168432#(<= ULTIMATE.start_main_~i~4 348), 168433#(<= ULTIMATE.start_main_~i~4 350), 168438#(<= ULTIMATE.start_main_~i~4 360), 168439#(<= ULTIMATE.start_main_~i~4 362), 168436#(<= ULTIMATE.start_main_~i~4 356), 168437#(<= ULTIMATE.start_main_~i~4 358), 168442#(<= ULTIMATE.start_main_~i~4 368), 168443#(<= ULTIMATE.start_main_~i~4 370), 168440#(<= ULTIMATE.start_main_~i~4 364), 168441#(<= ULTIMATE.start_main_~i~4 366), 168446#(<= ULTIMATE.start_main_~i~4 376), 168447#(<= ULTIMATE.start_main_~i~4 378), 168444#(<= ULTIMATE.start_main_~i~4 372), 168445#(<= ULTIMATE.start_main_~i~4 374)] [2018-07-23 13:47:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 36290 backedges. 0 proven. 36290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,944 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:47:01,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:47:01,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:47:01,949 INFO L87 Difference]: Start difference. First operand 385 states and 385 transitions. Second operand 193 states. [2018-07-23 13:47:03,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:03,505 INFO L93 Difference]: Finished difference Result 389 states and 389 transitions. [2018-07-23 13:47:03,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:47:03,505 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 384 [2018-07-23 13:47:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:03,506 INFO L225 Difference]: With dead ends: 389 [2018-07-23 13:47:03,506 INFO L226 Difference]: Without dead ends: 387 [2018-07-23 13:47:03,507 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:47:03,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-07-23 13:47:03,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2018-07-23 13:47:03,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-07-23 13:47:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 387 transitions. [2018-07-23 13:47:03,511 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 387 transitions. Word has length 384 [2018-07-23 13:47:03,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:03,511 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 387 transitions. [2018-07-23 13:47:03,511 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:47:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 387 transitions. [2018-07-23 13:47:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-07-23 13:47:03,513 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:03,513 INFO L357 BasicCegarLoop]: trace histogram [192, 191, 1, 1, 1] [2018-07-23 13:47:03,513 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:03,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1115135757, now seen corresponding path program 191 times [2018-07-23 13:47:03,513 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 36672 backedges. 0 proven. 36672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,585 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:04,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:47:04,586 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:04,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,586 INFO L185 omatonBuilderFactory]: Interpolants [170002#false, 170003#(<= ULTIMATE.start_main_~i~4 0), 170001#true, 170006#(<= ULTIMATE.start_main_~i~4 6), 170007#(<= ULTIMATE.start_main_~i~4 8), 170004#(<= ULTIMATE.start_main_~i~4 2), 170005#(<= ULTIMATE.start_main_~i~4 4), 170010#(<= ULTIMATE.start_main_~i~4 14), 170011#(<= ULTIMATE.start_main_~i~4 16), 170008#(<= ULTIMATE.start_main_~i~4 10), 170009#(<= ULTIMATE.start_main_~i~4 12), 170014#(<= ULTIMATE.start_main_~i~4 22), 170015#(<= ULTIMATE.start_main_~i~4 24), 170012#(<= ULTIMATE.start_main_~i~4 18), 170013#(<= ULTIMATE.start_main_~i~4 20), 170018#(<= ULTIMATE.start_main_~i~4 30), 170019#(<= ULTIMATE.start_main_~i~4 32), 170016#(<= ULTIMATE.start_main_~i~4 26), 170017#(<= ULTIMATE.start_main_~i~4 28), 170022#(<= ULTIMATE.start_main_~i~4 38), 170023#(<= ULTIMATE.start_main_~i~4 40), 170020#(<= ULTIMATE.start_main_~i~4 34), 170021#(<= ULTIMATE.start_main_~i~4 36), 170026#(<= ULTIMATE.start_main_~i~4 46), 170027#(<= ULTIMATE.start_main_~i~4 48), 170024#(<= ULTIMATE.start_main_~i~4 42), 170025#(<= ULTIMATE.start_main_~i~4 44), 170030#(<= ULTIMATE.start_main_~i~4 54), 170031#(<= ULTIMATE.start_main_~i~4 56), 170028#(<= ULTIMATE.start_main_~i~4 50), 170029#(<= ULTIMATE.start_main_~i~4 52), 170034#(<= ULTIMATE.start_main_~i~4 62), 170035#(<= ULTIMATE.start_main_~i~4 64), 170032#(<= ULTIMATE.start_main_~i~4 58), 170033#(<= ULTIMATE.start_main_~i~4 60), 170038#(<= ULTIMATE.start_main_~i~4 70), 170039#(<= ULTIMATE.start_main_~i~4 72), 170036#(<= ULTIMATE.start_main_~i~4 66), 170037#(<= ULTIMATE.start_main_~i~4 68), 170042#(<= ULTIMATE.start_main_~i~4 78), 170043#(<= ULTIMATE.start_main_~i~4 80), 170040#(<= ULTIMATE.start_main_~i~4 74), 170041#(<= ULTIMATE.start_main_~i~4 76), 170046#(<= ULTIMATE.start_main_~i~4 86), 170047#(<= ULTIMATE.start_main_~i~4 88), 170044#(<= ULTIMATE.start_main_~i~4 82), 170045#(<= ULTIMATE.start_main_~i~4 84), 170050#(<= ULTIMATE.start_main_~i~4 94), 170051#(<= ULTIMATE.start_main_~i~4 96), 170048#(<= ULTIMATE.start_main_~i~4 90), 170049#(<= ULTIMATE.start_main_~i~4 92), 170054#(<= ULTIMATE.start_main_~i~4 102), 170055#(<= ULTIMATE.start_main_~i~4 104), 170052#(<= ULTIMATE.start_main_~i~4 98), 170053#(<= ULTIMATE.start_main_~i~4 100), 170058#(<= ULTIMATE.start_main_~i~4 110), 170059#(<= ULTIMATE.start_main_~i~4 112), 170056#(<= ULTIMATE.start_main_~i~4 106), 170057#(<= ULTIMATE.start_main_~i~4 108), 170062#(<= ULTIMATE.start_main_~i~4 118), 170063#(<= ULTIMATE.start_main_~i~4 120), 170060#(<= ULTIMATE.start_main_~i~4 114), 170061#(<= ULTIMATE.start_main_~i~4 116), 170066#(<= ULTIMATE.start_main_~i~4 126), 170067#(<= ULTIMATE.start_main_~i~4 128), 170064#(<= ULTIMATE.start_main_~i~4 122), 170065#(<= ULTIMATE.start_main_~i~4 124), 170070#(<= ULTIMATE.start_main_~i~4 134), 170071#(<= ULTIMATE.start_main_~i~4 136), 170068#(<= ULTIMATE.start_main_~i~4 130), 170069#(<= ULTIMATE.start_main_~i~4 132), 170074#(<= ULTIMATE.start_main_~i~4 142), 170075#(<= ULTIMATE.start_main_~i~4 144), 170072#(<= ULTIMATE.start_main_~i~4 138), 170073#(<= ULTIMATE.start_main_~i~4 140), 170078#(<= ULTIMATE.start_main_~i~4 150), 170079#(<= ULTIMATE.start_main_~i~4 152), 170076#(<= ULTIMATE.start_main_~i~4 146), 170077#(<= ULTIMATE.start_main_~i~4 148), 170082#(<= ULTIMATE.start_main_~i~4 158), 170083#(<= ULTIMATE.start_main_~i~4 160), 170080#(<= ULTIMATE.start_main_~i~4 154), 170081#(<= ULTIMATE.start_main_~i~4 156), 170086#(<= ULTIMATE.start_main_~i~4 166), 170087#(<= ULTIMATE.start_main_~i~4 168), 170084#(<= ULTIMATE.start_main_~i~4 162), 170085#(<= ULTIMATE.start_main_~i~4 164), 170090#(<= ULTIMATE.start_main_~i~4 174), 170091#(<= ULTIMATE.start_main_~i~4 176), 170088#(<= ULTIMATE.start_main_~i~4 170), 170089#(<= ULTIMATE.start_main_~i~4 172), 170094#(<= ULTIMATE.start_main_~i~4 182), 170095#(<= ULTIMATE.start_main_~i~4 184), 170092#(<= ULTIMATE.start_main_~i~4 178), 170093#(<= ULTIMATE.start_main_~i~4 180), 170098#(<= ULTIMATE.start_main_~i~4 190), 170099#(<= ULTIMATE.start_main_~i~4 192), 170096#(<= ULTIMATE.start_main_~i~4 186), 170097#(<= ULTIMATE.start_main_~i~4 188), 170102#(<= ULTIMATE.start_main_~i~4 198), 170103#(<= ULTIMATE.start_main_~i~4 200), 170100#(<= ULTIMATE.start_main_~i~4 194), 170101#(<= ULTIMATE.start_main_~i~4 196), 170106#(<= ULTIMATE.start_main_~i~4 206), 170107#(<= ULTIMATE.start_main_~i~4 208), 170104#(<= ULTIMATE.start_main_~i~4 202), 170105#(<= ULTIMATE.start_main_~i~4 204), 170110#(<= ULTIMATE.start_main_~i~4 214), 170111#(<= ULTIMATE.start_main_~i~4 216), 170108#(<= ULTIMATE.start_main_~i~4 210), 170109#(<= ULTIMATE.start_main_~i~4 212), 170114#(<= ULTIMATE.start_main_~i~4 222), 170115#(<= ULTIMATE.start_main_~i~4 224), 170112#(<= ULTIMATE.start_main_~i~4 218), 170113#(<= ULTIMATE.start_main_~i~4 220), 170118#(<= ULTIMATE.start_main_~i~4 230), 170119#(<= ULTIMATE.start_main_~i~4 232), 170116#(<= ULTIMATE.start_main_~i~4 226), 170117#(<= ULTIMATE.start_main_~i~4 228), 170122#(<= ULTIMATE.start_main_~i~4 238), 170123#(<= ULTIMATE.start_main_~i~4 240), 170120#(<= ULTIMATE.start_main_~i~4 234), 170121#(<= ULTIMATE.start_main_~i~4 236), 170126#(<= ULTIMATE.start_main_~i~4 246), 170127#(<= ULTIMATE.start_main_~i~4 248), 170124#(<= ULTIMATE.start_main_~i~4 242), 170125#(<= ULTIMATE.start_main_~i~4 244), 170130#(<= ULTIMATE.start_main_~i~4 254), 170131#(<= ULTIMATE.start_main_~i~4 256), 170128#(<= ULTIMATE.start_main_~i~4 250), 170129#(<= ULTIMATE.start_main_~i~4 252), 170134#(<= ULTIMATE.start_main_~i~4 262), 170135#(<= ULTIMATE.start_main_~i~4 264), 170132#(<= ULTIMATE.start_main_~i~4 258), 170133#(<= ULTIMATE.start_main_~i~4 260), 170138#(<= ULTIMATE.start_main_~i~4 270), 170139#(<= ULTIMATE.start_main_~i~4 272), 170136#(<= ULTIMATE.start_main_~i~4 266), 170137#(<= ULTIMATE.start_main_~i~4 268), 170142#(<= ULTIMATE.start_main_~i~4 278), 170143#(<= ULTIMATE.start_main_~i~4 280), 170140#(<= ULTIMATE.start_main_~i~4 274), 170141#(<= ULTIMATE.start_main_~i~4 276), 170146#(<= ULTIMATE.start_main_~i~4 286), 170147#(<= ULTIMATE.start_main_~i~4 288), 170144#(<= ULTIMATE.start_main_~i~4 282), 170145#(<= ULTIMATE.start_main_~i~4 284), 170150#(<= ULTIMATE.start_main_~i~4 294), 170151#(<= ULTIMATE.start_main_~i~4 296), 170148#(<= ULTIMATE.start_main_~i~4 290), 170149#(<= ULTIMATE.start_main_~i~4 292), 170154#(<= ULTIMATE.start_main_~i~4 302), 170155#(<= ULTIMATE.start_main_~i~4 304), 170152#(<= ULTIMATE.start_main_~i~4 298), 170153#(<= ULTIMATE.start_main_~i~4 300), 170158#(<= ULTIMATE.start_main_~i~4 310), 170159#(<= ULTIMATE.start_main_~i~4 312), 170156#(<= ULTIMATE.start_main_~i~4 306), 170157#(<= ULTIMATE.start_main_~i~4 308), 170162#(<= ULTIMATE.start_main_~i~4 318), 170163#(<= ULTIMATE.start_main_~i~4 320), 170160#(<= ULTIMATE.start_main_~i~4 314), 170161#(<= ULTIMATE.start_main_~i~4 316), 170166#(<= ULTIMATE.start_main_~i~4 326), 170167#(<= ULTIMATE.start_main_~i~4 328), 170164#(<= ULTIMATE.start_main_~i~4 322), 170165#(<= ULTIMATE.start_main_~i~4 324), 170170#(<= ULTIMATE.start_main_~i~4 334), 170171#(<= ULTIMATE.start_main_~i~4 336), 170168#(<= ULTIMATE.start_main_~i~4 330), 170169#(<= ULTIMATE.start_main_~i~4 332), 170174#(<= ULTIMATE.start_main_~i~4 342), 170175#(<= ULTIMATE.start_main_~i~4 344), 170172#(<= ULTIMATE.start_main_~i~4 338), 170173#(<= ULTIMATE.start_main_~i~4 340), 170178#(<= ULTIMATE.start_main_~i~4 350), 170179#(<= ULTIMATE.start_main_~i~4 352), 170176#(<= ULTIMATE.start_main_~i~4 346), 170177#(<= ULTIMATE.start_main_~i~4 348), 170182#(<= ULTIMATE.start_main_~i~4 358), 170183#(<= ULTIMATE.start_main_~i~4 360), 170180#(<= ULTIMATE.start_main_~i~4 354), 170181#(<= ULTIMATE.start_main_~i~4 356), 170186#(<= ULTIMATE.start_main_~i~4 366), 170187#(<= ULTIMATE.start_main_~i~4 368), 170184#(<= ULTIMATE.start_main_~i~4 362), 170185#(<= ULTIMATE.start_main_~i~4 364), 170190#(<= ULTIMATE.start_main_~i~4 374), 170191#(<= ULTIMATE.start_main_~i~4 376), 170188#(<= ULTIMATE.start_main_~i~4 370), 170189#(<= ULTIMATE.start_main_~i~4 372), 170194#(<= ULTIMATE.start_main_~i~4 382), 170192#(<= ULTIMATE.start_main_~i~4 378), 170193#(<= ULTIMATE.start_main_~i~4 380)] [2018-07-23 13:47:04,589 INFO L134 CoverageAnalysis]: Checked inductivity of 36672 backedges. 0 proven. 36672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,590 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:47:04,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:47:04,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:47:04,595 INFO L87 Difference]: Start difference. First operand 387 states and 387 transitions. Second operand 194 states. [2018-07-23 13:47:06,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:06,165 INFO L93 Difference]: Finished difference Result 391 states and 391 transitions. [2018-07-23 13:47:06,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:47:06,165 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 386 [2018-07-23 13:47:06,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:06,166 INFO L225 Difference]: With dead ends: 391 [2018-07-23 13:47:06,166 INFO L226 Difference]: Without dead ends: 389 [2018-07-23 13:47:06,167 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:47:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-07-23 13:47:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2018-07-23 13:47:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-07-23 13:47:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 389 transitions. [2018-07-23 13:47:06,173 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 389 transitions. Word has length 386 [2018-07-23 13:47:06,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:06,174 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 389 transitions. [2018-07-23 13:47:06,174 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:47:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 389 transitions. [2018-07-23 13:47:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-07-23 13:47:06,176 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:06,176 INFO L357 BasicCegarLoop]: trace histogram [193, 192, 1, 1, 1] [2018-07-23 13:47:06,176 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:06,176 INFO L82 PathProgramCache]: Analyzing trace with hash -2096309433, now seen corresponding path program 192 times [2018-07-23 13:47:06,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 37056 backedges. 0 proven. 37056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:07,235 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:07,235 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:47:07,235 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:07,236 INFO L185 omatonBuilderFactory]: Interpolants [171755#true, 171758#(<= ULTIMATE.start_main_~i~4 2), 171759#(<= ULTIMATE.start_main_~i~4 4), 171756#false, 171757#(<= ULTIMATE.start_main_~i~4 0), 171762#(<= ULTIMATE.start_main_~i~4 10), 171763#(<= ULTIMATE.start_main_~i~4 12), 171760#(<= ULTIMATE.start_main_~i~4 6), 171761#(<= ULTIMATE.start_main_~i~4 8), 171766#(<= ULTIMATE.start_main_~i~4 18), 171767#(<= ULTIMATE.start_main_~i~4 20), 171764#(<= ULTIMATE.start_main_~i~4 14), 171765#(<= ULTIMATE.start_main_~i~4 16), 171770#(<= ULTIMATE.start_main_~i~4 26), 171771#(<= ULTIMATE.start_main_~i~4 28), 171768#(<= ULTIMATE.start_main_~i~4 22), 171769#(<= ULTIMATE.start_main_~i~4 24), 171774#(<= ULTIMATE.start_main_~i~4 34), 171775#(<= ULTIMATE.start_main_~i~4 36), 171772#(<= ULTIMATE.start_main_~i~4 30), 171773#(<= ULTIMATE.start_main_~i~4 32), 171778#(<= ULTIMATE.start_main_~i~4 42), 171779#(<= ULTIMATE.start_main_~i~4 44), 171776#(<= ULTIMATE.start_main_~i~4 38), 171777#(<= ULTIMATE.start_main_~i~4 40), 171782#(<= ULTIMATE.start_main_~i~4 50), 171783#(<= ULTIMATE.start_main_~i~4 52), 171780#(<= ULTIMATE.start_main_~i~4 46), 171781#(<= ULTIMATE.start_main_~i~4 48), 171786#(<= ULTIMATE.start_main_~i~4 58), 171787#(<= ULTIMATE.start_main_~i~4 60), 171784#(<= ULTIMATE.start_main_~i~4 54), 171785#(<= ULTIMATE.start_main_~i~4 56), 171790#(<= ULTIMATE.start_main_~i~4 66), 171791#(<= ULTIMATE.start_main_~i~4 68), 171788#(<= ULTIMATE.start_main_~i~4 62), 171789#(<= ULTIMATE.start_main_~i~4 64), 171794#(<= ULTIMATE.start_main_~i~4 74), 171795#(<= ULTIMATE.start_main_~i~4 76), 171792#(<= ULTIMATE.start_main_~i~4 70), 171793#(<= ULTIMATE.start_main_~i~4 72), 171798#(<= ULTIMATE.start_main_~i~4 82), 171799#(<= ULTIMATE.start_main_~i~4 84), 171796#(<= ULTIMATE.start_main_~i~4 78), 171797#(<= ULTIMATE.start_main_~i~4 80), 171802#(<= ULTIMATE.start_main_~i~4 90), 171803#(<= ULTIMATE.start_main_~i~4 92), 171800#(<= ULTIMATE.start_main_~i~4 86), 171801#(<= ULTIMATE.start_main_~i~4 88), 171806#(<= ULTIMATE.start_main_~i~4 98), 171807#(<= ULTIMATE.start_main_~i~4 100), 171804#(<= ULTIMATE.start_main_~i~4 94), 171805#(<= ULTIMATE.start_main_~i~4 96), 171810#(<= ULTIMATE.start_main_~i~4 106), 171811#(<= ULTIMATE.start_main_~i~4 108), 171808#(<= ULTIMATE.start_main_~i~4 102), 171809#(<= ULTIMATE.start_main_~i~4 104), 171814#(<= ULTIMATE.start_main_~i~4 114), 171815#(<= ULTIMATE.start_main_~i~4 116), 171812#(<= ULTIMATE.start_main_~i~4 110), 171813#(<= ULTIMATE.start_main_~i~4 112), 171818#(<= ULTIMATE.start_main_~i~4 122), 171819#(<= ULTIMATE.start_main_~i~4 124), 171816#(<= ULTIMATE.start_main_~i~4 118), 171817#(<= ULTIMATE.start_main_~i~4 120), 171822#(<= ULTIMATE.start_main_~i~4 130), 171823#(<= ULTIMATE.start_main_~i~4 132), 171820#(<= ULTIMATE.start_main_~i~4 126), 171821#(<= ULTIMATE.start_main_~i~4 128), 171826#(<= ULTIMATE.start_main_~i~4 138), 171827#(<= ULTIMATE.start_main_~i~4 140), 171824#(<= ULTIMATE.start_main_~i~4 134), 171825#(<= ULTIMATE.start_main_~i~4 136), 171830#(<= ULTIMATE.start_main_~i~4 146), 171831#(<= ULTIMATE.start_main_~i~4 148), 171828#(<= ULTIMATE.start_main_~i~4 142), 171829#(<= ULTIMATE.start_main_~i~4 144), 171834#(<= ULTIMATE.start_main_~i~4 154), 171835#(<= ULTIMATE.start_main_~i~4 156), 171832#(<= ULTIMATE.start_main_~i~4 150), 171833#(<= ULTIMATE.start_main_~i~4 152), 171838#(<= ULTIMATE.start_main_~i~4 162), 171839#(<= ULTIMATE.start_main_~i~4 164), 171836#(<= ULTIMATE.start_main_~i~4 158), 171837#(<= ULTIMATE.start_main_~i~4 160), 171842#(<= ULTIMATE.start_main_~i~4 170), 171843#(<= ULTIMATE.start_main_~i~4 172), 171840#(<= ULTIMATE.start_main_~i~4 166), 171841#(<= ULTIMATE.start_main_~i~4 168), 171846#(<= ULTIMATE.start_main_~i~4 178), 171847#(<= ULTIMATE.start_main_~i~4 180), 171844#(<= ULTIMATE.start_main_~i~4 174), 171845#(<= ULTIMATE.start_main_~i~4 176), 171850#(<= ULTIMATE.start_main_~i~4 186), 171851#(<= ULTIMATE.start_main_~i~4 188), 171848#(<= ULTIMATE.start_main_~i~4 182), 171849#(<= ULTIMATE.start_main_~i~4 184), 171854#(<= ULTIMATE.start_main_~i~4 194), 171855#(<= ULTIMATE.start_main_~i~4 196), 171852#(<= ULTIMATE.start_main_~i~4 190), 171853#(<= ULTIMATE.start_main_~i~4 192), 171858#(<= ULTIMATE.start_main_~i~4 202), 171859#(<= ULTIMATE.start_main_~i~4 204), 171856#(<= ULTIMATE.start_main_~i~4 198), 171857#(<= ULTIMATE.start_main_~i~4 200), 171862#(<= ULTIMATE.start_main_~i~4 210), 171863#(<= ULTIMATE.start_main_~i~4 212), 171860#(<= ULTIMATE.start_main_~i~4 206), 171861#(<= ULTIMATE.start_main_~i~4 208), 171866#(<= ULTIMATE.start_main_~i~4 218), 171867#(<= ULTIMATE.start_main_~i~4 220), 171864#(<= ULTIMATE.start_main_~i~4 214), 171865#(<= ULTIMATE.start_main_~i~4 216), 171870#(<= ULTIMATE.start_main_~i~4 226), 171871#(<= ULTIMATE.start_main_~i~4 228), 171868#(<= ULTIMATE.start_main_~i~4 222), 171869#(<= ULTIMATE.start_main_~i~4 224), 171874#(<= ULTIMATE.start_main_~i~4 234), 171875#(<= ULTIMATE.start_main_~i~4 236), 171872#(<= ULTIMATE.start_main_~i~4 230), 171873#(<= ULTIMATE.start_main_~i~4 232), 171878#(<= ULTIMATE.start_main_~i~4 242), 171879#(<= ULTIMATE.start_main_~i~4 244), 171876#(<= ULTIMATE.start_main_~i~4 238), 171877#(<= ULTIMATE.start_main_~i~4 240), 171882#(<= ULTIMATE.start_main_~i~4 250), 171883#(<= ULTIMATE.start_main_~i~4 252), 171880#(<= ULTIMATE.start_main_~i~4 246), 171881#(<= ULTIMATE.start_main_~i~4 248), 171886#(<= ULTIMATE.start_main_~i~4 258), 171887#(<= ULTIMATE.start_main_~i~4 260), 171884#(<= ULTIMATE.start_main_~i~4 254), 171885#(<= ULTIMATE.start_main_~i~4 256), 171890#(<= ULTIMATE.start_main_~i~4 266), 171891#(<= ULTIMATE.start_main_~i~4 268), 171888#(<= ULTIMATE.start_main_~i~4 262), 171889#(<= ULTIMATE.start_main_~i~4 264), 171894#(<= ULTIMATE.start_main_~i~4 274), 171895#(<= ULTIMATE.start_main_~i~4 276), 171892#(<= ULTIMATE.start_main_~i~4 270), 171893#(<= ULTIMATE.start_main_~i~4 272), 171898#(<= ULTIMATE.start_main_~i~4 282), 171899#(<= ULTIMATE.start_main_~i~4 284), 171896#(<= ULTIMATE.start_main_~i~4 278), 171897#(<= ULTIMATE.start_main_~i~4 280), 171902#(<= ULTIMATE.start_main_~i~4 290), 171903#(<= ULTIMATE.start_main_~i~4 292), 171900#(<= ULTIMATE.start_main_~i~4 286), 171901#(<= ULTIMATE.start_main_~i~4 288), 171906#(<= ULTIMATE.start_main_~i~4 298), 171907#(<= ULTIMATE.start_main_~i~4 300), 171904#(<= ULTIMATE.start_main_~i~4 294), 171905#(<= ULTIMATE.start_main_~i~4 296), 171910#(<= ULTIMATE.start_main_~i~4 306), 171911#(<= ULTIMATE.start_main_~i~4 308), 171908#(<= ULTIMATE.start_main_~i~4 302), 171909#(<= ULTIMATE.start_main_~i~4 304), 171914#(<= ULTIMATE.start_main_~i~4 314), 171915#(<= ULTIMATE.start_main_~i~4 316), 171912#(<= ULTIMATE.start_main_~i~4 310), 171913#(<= ULTIMATE.start_main_~i~4 312), 171918#(<= ULTIMATE.start_main_~i~4 322), 171919#(<= ULTIMATE.start_main_~i~4 324), 171916#(<= ULTIMATE.start_main_~i~4 318), 171917#(<= ULTIMATE.start_main_~i~4 320), 171922#(<= ULTIMATE.start_main_~i~4 330), 171923#(<= ULTIMATE.start_main_~i~4 332), 171920#(<= ULTIMATE.start_main_~i~4 326), 171921#(<= ULTIMATE.start_main_~i~4 328), 171926#(<= ULTIMATE.start_main_~i~4 338), 171927#(<= ULTIMATE.start_main_~i~4 340), 171924#(<= ULTIMATE.start_main_~i~4 334), 171925#(<= ULTIMATE.start_main_~i~4 336), 171930#(<= ULTIMATE.start_main_~i~4 346), 171931#(<= ULTIMATE.start_main_~i~4 348), 171928#(<= ULTIMATE.start_main_~i~4 342), 171929#(<= ULTIMATE.start_main_~i~4 344), 171934#(<= ULTIMATE.start_main_~i~4 354), 171935#(<= ULTIMATE.start_main_~i~4 356), 171932#(<= ULTIMATE.start_main_~i~4 350), 171933#(<= ULTIMATE.start_main_~i~4 352), 171938#(<= ULTIMATE.start_main_~i~4 362), 171939#(<= ULTIMATE.start_main_~i~4 364), 171936#(<= ULTIMATE.start_main_~i~4 358), 171937#(<= ULTIMATE.start_main_~i~4 360), 171942#(<= ULTIMATE.start_main_~i~4 370), 171943#(<= ULTIMATE.start_main_~i~4 372), 171940#(<= ULTIMATE.start_main_~i~4 366), 171941#(<= ULTIMATE.start_main_~i~4 368), 171946#(<= ULTIMATE.start_main_~i~4 378), 171947#(<= ULTIMATE.start_main_~i~4 380), 171944#(<= ULTIMATE.start_main_~i~4 374), 171945#(<= ULTIMATE.start_main_~i~4 376), 171948#(<= ULTIMATE.start_main_~i~4 382), 171949#(<= ULTIMATE.start_main_~i~4 384)] [2018-07-23 13:47:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 37056 backedges. 0 proven. 37056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:07,238 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:47:07,241 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:47:07,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:47:07,243 INFO L87 Difference]: Start difference. First operand 389 states and 389 transitions. Second operand 195 states. [2018-07-23 13:47:08,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:08,941 INFO L93 Difference]: Finished difference Result 393 states and 393 transitions. [2018-07-23 13:47:08,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:47:08,942 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 388 [2018-07-23 13:47:08,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:08,942 INFO L225 Difference]: With dead ends: 393 [2018-07-23 13:47:08,942 INFO L226 Difference]: Without dead ends: 391 [2018-07-23 13:47:08,944 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:47:08,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-07-23 13:47:08,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2018-07-23 13:47:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-07-23 13:47:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 391 transitions. [2018-07-23 13:47:08,948 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 391 transitions. Word has length 388 [2018-07-23 13:47:08,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:08,949 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 391 transitions. [2018-07-23 13:47:08,949 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:47:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 391 transitions. [2018-07-23 13:47:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-07-23 13:47:08,950 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:08,950 INFO L357 BasicCegarLoop]: trace histogram [194, 193, 1, 1, 1] [2018-07-23 13:47:08,950 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:08,950 INFO L82 PathProgramCache]: Analyzing trace with hash -213651199, now seen corresponding path program 193 times [2018-07-23 13:47:08,950 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 37442 backedges. 0 proven. 37442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:10,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:10,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:47:10,061 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:10,061 INFO L185 omatonBuilderFactory]: Interpolants [173570#(<= ULTIMATE.start_main_~i~4 100), 173571#(<= ULTIMATE.start_main_~i~4 102), 173568#(<= ULTIMATE.start_main_~i~4 96), 173569#(<= ULTIMATE.start_main_~i~4 98), 173574#(<= ULTIMATE.start_main_~i~4 108), 173575#(<= ULTIMATE.start_main_~i~4 110), 173572#(<= ULTIMATE.start_main_~i~4 104), 173573#(<= ULTIMATE.start_main_~i~4 106), 173578#(<= ULTIMATE.start_main_~i~4 116), 173579#(<= ULTIMATE.start_main_~i~4 118), 173576#(<= ULTIMATE.start_main_~i~4 112), 173577#(<= ULTIMATE.start_main_~i~4 114), 173582#(<= ULTIMATE.start_main_~i~4 124), 173583#(<= ULTIMATE.start_main_~i~4 126), 173580#(<= ULTIMATE.start_main_~i~4 120), 173581#(<= ULTIMATE.start_main_~i~4 122), 173586#(<= ULTIMATE.start_main_~i~4 132), 173587#(<= ULTIMATE.start_main_~i~4 134), 173584#(<= ULTIMATE.start_main_~i~4 128), 173585#(<= ULTIMATE.start_main_~i~4 130), 173590#(<= ULTIMATE.start_main_~i~4 140), 173591#(<= ULTIMATE.start_main_~i~4 142), 173588#(<= ULTIMATE.start_main_~i~4 136), 173589#(<= ULTIMATE.start_main_~i~4 138), 173594#(<= ULTIMATE.start_main_~i~4 148), 173595#(<= ULTIMATE.start_main_~i~4 150), 173592#(<= ULTIMATE.start_main_~i~4 144), 173593#(<= ULTIMATE.start_main_~i~4 146), 173598#(<= ULTIMATE.start_main_~i~4 156), 173599#(<= ULTIMATE.start_main_~i~4 158), 173596#(<= ULTIMATE.start_main_~i~4 152), 173597#(<= ULTIMATE.start_main_~i~4 154), 173602#(<= ULTIMATE.start_main_~i~4 164), 173603#(<= ULTIMATE.start_main_~i~4 166), 173600#(<= ULTIMATE.start_main_~i~4 160), 173601#(<= ULTIMATE.start_main_~i~4 162), 173606#(<= ULTIMATE.start_main_~i~4 172), 173607#(<= ULTIMATE.start_main_~i~4 174), 173604#(<= ULTIMATE.start_main_~i~4 168), 173605#(<= ULTIMATE.start_main_~i~4 170), 173610#(<= ULTIMATE.start_main_~i~4 180), 173611#(<= ULTIMATE.start_main_~i~4 182), 173608#(<= ULTIMATE.start_main_~i~4 176), 173609#(<= ULTIMATE.start_main_~i~4 178), 173614#(<= ULTIMATE.start_main_~i~4 188), 173615#(<= ULTIMATE.start_main_~i~4 190), 173612#(<= ULTIMATE.start_main_~i~4 184), 173613#(<= ULTIMATE.start_main_~i~4 186), 173618#(<= ULTIMATE.start_main_~i~4 196), 173619#(<= ULTIMATE.start_main_~i~4 198), 173616#(<= ULTIMATE.start_main_~i~4 192), 173617#(<= ULTIMATE.start_main_~i~4 194), 173622#(<= ULTIMATE.start_main_~i~4 204), 173623#(<= ULTIMATE.start_main_~i~4 206), 173620#(<= ULTIMATE.start_main_~i~4 200), 173621#(<= ULTIMATE.start_main_~i~4 202), 173626#(<= ULTIMATE.start_main_~i~4 212), 173627#(<= ULTIMATE.start_main_~i~4 214), 173624#(<= ULTIMATE.start_main_~i~4 208), 173625#(<= ULTIMATE.start_main_~i~4 210), 173630#(<= ULTIMATE.start_main_~i~4 220), 173631#(<= ULTIMATE.start_main_~i~4 222), 173628#(<= ULTIMATE.start_main_~i~4 216), 173629#(<= ULTIMATE.start_main_~i~4 218), 173634#(<= ULTIMATE.start_main_~i~4 228), 173635#(<= ULTIMATE.start_main_~i~4 230), 173632#(<= ULTIMATE.start_main_~i~4 224), 173633#(<= ULTIMATE.start_main_~i~4 226), 173638#(<= ULTIMATE.start_main_~i~4 236), 173639#(<= ULTIMATE.start_main_~i~4 238), 173636#(<= ULTIMATE.start_main_~i~4 232), 173637#(<= ULTIMATE.start_main_~i~4 234), 173642#(<= ULTIMATE.start_main_~i~4 244), 173643#(<= ULTIMATE.start_main_~i~4 246), 173640#(<= ULTIMATE.start_main_~i~4 240), 173641#(<= ULTIMATE.start_main_~i~4 242), 173646#(<= ULTIMATE.start_main_~i~4 252), 173647#(<= ULTIMATE.start_main_~i~4 254), 173644#(<= ULTIMATE.start_main_~i~4 248), 173645#(<= ULTIMATE.start_main_~i~4 250), 173650#(<= ULTIMATE.start_main_~i~4 260), 173651#(<= ULTIMATE.start_main_~i~4 262), 173648#(<= ULTIMATE.start_main_~i~4 256), 173649#(<= ULTIMATE.start_main_~i~4 258), 173654#(<= ULTIMATE.start_main_~i~4 268), 173655#(<= ULTIMATE.start_main_~i~4 270), 173652#(<= ULTIMATE.start_main_~i~4 264), 173653#(<= ULTIMATE.start_main_~i~4 266), 173658#(<= ULTIMATE.start_main_~i~4 276), 173659#(<= ULTIMATE.start_main_~i~4 278), 173656#(<= ULTIMATE.start_main_~i~4 272), 173657#(<= ULTIMATE.start_main_~i~4 274), 173662#(<= ULTIMATE.start_main_~i~4 284), 173663#(<= ULTIMATE.start_main_~i~4 286), 173660#(<= ULTIMATE.start_main_~i~4 280), 173661#(<= ULTIMATE.start_main_~i~4 282), 173666#(<= ULTIMATE.start_main_~i~4 292), 173667#(<= ULTIMATE.start_main_~i~4 294), 173664#(<= ULTIMATE.start_main_~i~4 288), 173665#(<= ULTIMATE.start_main_~i~4 290), 173670#(<= ULTIMATE.start_main_~i~4 300), 173671#(<= ULTIMATE.start_main_~i~4 302), 173668#(<= ULTIMATE.start_main_~i~4 296), 173669#(<= ULTIMATE.start_main_~i~4 298), 173674#(<= ULTIMATE.start_main_~i~4 308), 173675#(<= ULTIMATE.start_main_~i~4 310), 173672#(<= ULTIMATE.start_main_~i~4 304), 173673#(<= ULTIMATE.start_main_~i~4 306), 173678#(<= ULTIMATE.start_main_~i~4 316), 173679#(<= ULTIMATE.start_main_~i~4 318), 173676#(<= ULTIMATE.start_main_~i~4 312), 173677#(<= ULTIMATE.start_main_~i~4 314), 173682#(<= ULTIMATE.start_main_~i~4 324), 173683#(<= ULTIMATE.start_main_~i~4 326), 173680#(<= ULTIMATE.start_main_~i~4 320), 173681#(<= ULTIMATE.start_main_~i~4 322), 173686#(<= ULTIMATE.start_main_~i~4 332), 173687#(<= ULTIMATE.start_main_~i~4 334), 173684#(<= ULTIMATE.start_main_~i~4 328), 173685#(<= ULTIMATE.start_main_~i~4 330), 173690#(<= ULTIMATE.start_main_~i~4 340), 173691#(<= ULTIMATE.start_main_~i~4 342), 173688#(<= ULTIMATE.start_main_~i~4 336), 173689#(<= ULTIMATE.start_main_~i~4 338), 173694#(<= ULTIMATE.start_main_~i~4 348), 173695#(<= ULTIMATE.start_main_~i~4 350), 173692#(<= ULTIMATE.start_main_~i~4 344), 173693#(<= ULTIMATE.start_main_~i~4 346), 173698#(<= ULTIMATE.start_main_~i~4 356), 173699#(<= ULTIMATE.start_main_~i~4 358), 173696#(<= ULTIMATE.start_main_~i~4 352), 173697#(<= ULTIMATE.start_main_~i~4 354), 173702#(<= ULTIMATE.start_main_~i~4 364), 173703#(<= ULTIMATE.start_main_~i~4 366), 173700#(<= ULTIMATE.start_main_~i~4 360), 173701#(<= ULTIMATE.start_main_~i~4 362), 173706#(<= ULTIMATE.start_main_~i~4 372), 173707#(<= ULTIMATE.start_main_~i~4 374), 173704#(<= ULTIMATE.start_main_~i~4 368), 173705#(<= ULTIMATE.start_main_~i~4 370), 173710#(<= ULTIMATE.start_main_~i~4 380), 173711#(<= ULTIMATE.start_main_~i~4 382), 173708#(<= ULTIMATE.start_main_~i~4 376), 173709#(<= ULTIMATE.start_main_~i~4 378), 173712#(<= ULTIMATE.start_main_~i~4 384), 173713#(<= ULTIMATE.start_main_~i~4 386), 173518#true, 173519#false, 173522#(<= ULTIMATE.start_main_~i~4 4), 173523#(<= ULTIMATE.start_main_~i~4 6), 173520#(<= ULTIMATE.start_main_~i~4 0), 173521#(<= ULTIMATE.start_main_~i~4 2), 173526#(<= ULTIMATE.start_main_~i~4 12), 173527#(<= ULTIMATE.start_main_~i~4 14), 173524#(<= ULTIMATE.start_main_~i~4 8), 173525#(<= ULTIMATE.start_main_~i~4 10), 173530#(<= ULTIMATE.start_main_~i~4 20), 173531#(<= ULTIMATE.start_main_~i~4 22), 173528#(<= ULTIMATE.start_main_~i~4 16), 173529#(<= ULTIMATE.start_main_~i~4 18), 173534#(<= ULTIMATE.start_main_~i~4 28), 173535#(<= ULTIMATE.start_main_~i~4 30), 173532#(<= ULTIMATE.start_main_~i~4 24), 173533#(<= ULTIMATE.start_main_~i~4 26), 173538#(<= ULTIMATE.start_main_~i~4 36), 173539#(<= ULTIMATE.start_main_~i~4 38), 173536#(<= ULTIMATE.start_main_~i~4 32), 173537#(<= ULTIMATE.start_main_~i~4 34), 173542#(<= ULTIMATE.start_main_~i~4 44), 173543#(<= ULTIMATE.start_main_~i~4 46), 173540#(<= ULTIMATE.start_main_~i~4 40), 173541#(<= ULTIMATE.start_main_~i~4 42), 173546#(<= ULTIMATE.start_main_~i~4 52), 173547#(<= ULTIMATE.start_main_~i~4 54), 173544#(<= ULTIMATE.start_main_~i~4 48), 173545#(<= ULTIMATE.start_main_~i~4 50), 173550#(<= ULTIMATE.start_main_~i~4 60), 173551#(<= ULTIMATE.start_main_~i~4 62), 173548#(<= ULTIMATE.start_main_~i~4 56), 173549#(<= ULTIMATE.start_main_~i~4 58), 173554#(<= ULTIMATE.start_main_~i~4 68), 173555#(<= ULTIMATE.start_main_~i~4 70), 173552#(<= ULTIMATE.start_main_~i~4 64), 173553#(<= ULTIMATE.start_main_~i~4 66), 173558#(<= ULTIMATE.start_main_~i~4 76), 173559#(<= ULTIMATE.start_main_~i~4 78), 173556#(<= ULTIMATE.start_main_~i~4 72), 173557#(<= ULTIMATE.start_main_~i~4 74), 173562#(<= ULTIMATE.start_main_~i~4 84), 173563#(<= ULTIMATE.start_main_~i~4 86), 173560#(<= ULTIMATE.start_main_~i~4 80), 173561#(<= ULTIMATE.start_main_~i~4 82), 173566#(<= ULTIMATE.start_main_~i~4 92), 173567#(<= ULTIMATE.start_main_~i~4 94), 173564#(<= ULTIMATE.start_main_~i~4 88), 173565#(<= ULTIMATE.start_main_~i~4 90)] [2018-07-23 13:47:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 37442 backedges. 0 proven. 37442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:10,063 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:47:10,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:47:10,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:47:10,069 INFO L87 Difference]: Start difference. First operand 391 states and 391 transitions. Second operand 196 states. [2018-07-23 13:47:11,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:11,367 INFO L93 Difference]: Finished difference Result 395 states and 395 transitions. [2018-07-23 13:47:11,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:47:11,367 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 390 [2018-07-23 13:47:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:11,368 INFO L225 Difference]: With dead ends: 395 [2018-07-23 13:47:11,368 INFO L226 Difference]: Without dead ends: 393 [2018-07-23 13:47:11,369 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:47:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-07-23 13:47:11,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-07-23 13:47:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-07-23 13:47:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 393 transitions. [2018-07-23 13:47:11,373 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 393 transitions. Word has length 390 [2018-07-23 13:47:11,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:11,374 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 393 transitions. [2018-07-23 13:47:11,374 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:47:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 393 transitions. [2018-07-23 13:47:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-07-23 13:47:11,375 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:11,375 INFO L357 BasicCegarLoop]: trace histogram [195, 194, 1, 1, 1] [2018-07-23 13:47:11,375 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:11,375 INFO L82 PathProgramCache]: Analyzing trace with hash 839680059, now seen corresponding path program 194 times [2018-07-23 13:47:11,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 37830 backedges. 0 proven. 37830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:12,470 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:12,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:47:12,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:12,471 INFO L185 omatonBuilderFactory]: Interpolants [175290#true, 175291#false, 175294#(<= ULTIMATE.start_main_~i~4 4), 175295#(<= ULTIMATE.start_main_~i~4 6), 175292#(<= ULTIMATE.start_main_~i~4 0), 175293#(<= ULTIMATE.start_main_~i~4 2), 175298#(<= ULTIMATE.start_main_~i~4 12), 175299#(<= ULTIMATE.start_main_~i~4 14), 175296#(<= ULTIMATE.start_main_~i~4 8), 175297#(<= ULTIMATE.start_main_~i~4 10), 175302#(<= ULTIMATE.start_main_~i~4 20), 175303#(<= ULTIMATE.start_main_~i~4 22), 175300#(<= ULTIMATE.start_main_~i~4 16), 175301#(<= ULTIMATE.start_main_~i~4 18), 175306#(<= ULTIMATE.start_main_~i~4 28), 175307#(<= ULTIMATE.start_main_~i~4 30), 175304#(<= ULTIMATE.start_main_~i~4 24), 175305#(<= ULTIMATE.start_main_~i~4 26), 175310#(<= ULTIMATE.start_main_~i~4 36), 175311#(<= ULTIMATE.start_main_~i~4 38), 175308#(<= ULTIMATE.start_main_~i~4 32), 175309#(<= ULTIMATE.start_main_~i~4 34), 175314#(<= ULTIMATE.start_main_~i~4 44), 175315#(<= ULTIMATE.start_main_~i~4 46), 175312#(<= ULTIMATE.start_main_~i~4 40), 175313#(<= ULTIMATE.start_main_~i~4 42), 175318#(<= ULTIMATE.start_main_~i~4 52), 175319#(<= ULTIMATE.start_main_~i~4 54), 175316#(<= ULTIMATE.start_main_~i~4 48), 175317#(<= ULTIMATE.start_main_~i~4 50), 175322#(<= ULTIMATE.start_main_~i~4 60), 175323#(<= ULTIMATE.start_main_~i~4 62), 175320#(<= ULTIMATE.start_main_~i~4 56), 175321#(<= ULTIMATE.start_main_~i~4 58), 175326#(<= ULTIMATE.start_main_~i~4 68), 175327#(<= ULTIMATE.start_main_~i~4 70), 175324#(<= ULTIMATE.start_main_~i~4 64), 175325#(<= ULTIMATE.start_main_~i~4 66), 175330#(<= ULTIMATE.start_main_~i~4 76), 175331#(<= ULTIMATE.start_main_~i~4 78), 175328#(<= ULTIMATE.start_main_~i~4 72), 175329#(<= ULTIMATE.start_main_~i~4 74), 175334#(<= ULTIMATE.start_main_~i~4 84), 175335#(<= ULTIMATE.start_main_~i~4 86), 175332#(<= ULTIMATE.start_main_~i~4 80), 175333#(<= ULTIMATE.start_main_~i~4 82), 175338#(<= ULTIMATE.start_main_~i~4 92), 175339#(<= ULTIMATE.start_main_~i~4 94), 175336#(<= ULTIMATE.start_main_~i~4 88), 175337#(<= ULTIMATE.start_main_~i~4 90), 175342#(<= ULTIMATE.start_main_~i~4 100), 175343#(<= ULTIMATE.start_main_~i~4 102), 175340#(<= ULTIMATE.start_main_~i~4 96), 175341#(<= ULTIMATE.start_main_~i~4 98), 175346#(<= ULTIMATE.start_main_~i~4 108), 175347#(<= ULTIMATE.start_main_~i~4 110), 175344#(<= ULTIMATE.start_main_~i~4 104), 175345#(<= ULTIMATE.start_main_~i~4 106), 175350#(<= ULTIMATE.start_main_~i~4 116), 175351#(<= ULTIMATE.start_main_~i~4 118), 175348#(<= ULTIMATE.start_main_~i~4 112), 175349#(<= ULTIMATE.start_main_~i~4 114), 175354#(<= ULTIMATE.start_main_~i~4 124), 175355#(<= ULTIMATE.start_main_~i~4 126), 175352#(<= ULTIMATE.start_main_~i~4 120), 175353#(<= ULTIMATE.start_main_~i~4 122), 175358#(<= ULTIMATE.start_main_~i~4 132), 175359#(<= ULTIMATE.start_main_~i~4 134), 175356#(<= ULTIMATE.start_main_~i~4 128), 175357#(<= ULTIMATE.start_main_~i~4 130), 175362#(<= ULTIMATE.start_main_~i~4 140), 175363#(<= ULTIMATE.start_main_~i~4 142), 175360#(<= ULTIMATE.start_main_~i~4 136), 175361#(<= ULTIMATE.start_main_~i~4 138), 175366#(<= ULTIMATE.start_main_~i~4 148), 175367#(<= ULTIMATE.start_main_~i~4 150), 175364#(<= ULTIMATE.start_main_~i~4 144), 175365#(<= ULTIMATE.start_main_~i~4 146), 175370#(<= ULTIMATE.start_main_~i~4 156), 175371#(<= ULTIMATE.start_main_~i~4 158), 175368#(<= ULTIMATE.start_main_~i~4 152), 175369#(<= ULTIMATE.start_main_~i~4 154), 175374#(<= ULTIMATE.start_main_~i~4 164), 175375#(<= ULTIMATE.start_main_~i~4 166), 175372#(<= ULTIMATE.start_main_~i~4 160), 175373#(<= ULTIMATE.start_main_~i~4 162), 175378#(<= ULTIMATE.start_main_~i~4 172), 175379#(<= ULTIMATE.start_main_~i~4 174), 175376#(<= ULTIMATE.start_main_~i~4 168), 175377#(<= ULTIMATE.start_main_~i~4 170), 175382#(<= ULTIMATE.start_main_~i~4 180), 175383#(<= ULTIMATE.start_main_~i~4 182), 175380#(<= ULTIMATE.start_main_~i~4 176), 175381#(<= ULTIMATE.start_main_~i~4 178), 175386#(<= ULTIMATE.start_main_~i~4 188), 175387#(<= ULTIMATE.start_main_~i~4 190), 175384#(<= ULTIMATE.start_main_~i~4 184), 175385#(<= ULTIMATE.start_main_~i~4 186), 175390#(<= ULTIMATE.start_main_~i~4 196), 175391#(<= ULTIMATE.start_main_~i~4 198), 175388#(<= ULTIMATE.start_main_~i~4 192), 175389#(<= ULTIMATE.start_main_~i~4 194), 175394#(<= ULTIMATE.start_main_~i~4 204), 175395#(<= ULTIMATE.start_main_~i~4 206), 175392#(<= ULTIMATE.start_main_~i~4 200), 175393#(<= ULTIMATE.start_main_~i~4 202), 175398#(<= ULTIMATE.start_main_~i~4 212), 175399#(<= ULTIMATE.start_main_~i~4 214), 175396#(<= ULTIMATE.start_main_~i~4 208), 175397#(<= ULTIMATE.start_main_~i~4 210), 175402#(<= ULTIMATE.start_main_~i~4 220), 175403#(<= ULTIMATE.start_main_~i~4 222), 175400#(<= ULTIMATE.start_main_~i~4 216), 175401#(<= ULTIMATE.start_main_~i~4 218), 175406#(<= ULTIMATE.start_main_~i~4 228), 175407#(<= ULTIMATE.start_main_~i~4 230), 175404#(<= ULTIMATE.start_main_~i~4 224), 175405#(<= ULTIMATE.start_main_~i~4 226), 175410#(<= ULTIMATE.start_main_~i~4 236), 175411#(<= ULTIMATE.start_main_~i~4 238), 175408#(<= ULTIMATE.start_main_~i~4 232), 175409#(<= ULTIMATE.start_main_~i~4 234), 175414#(<= ULTIMATE.start_main_~i~4 244), 175415#(<= ULTIMATE.start_main_~i~4 246), 175412#(<= ULTIMATE.start_main_~i~4 240), 175413#(<= ULTIMATE.start_main_~i~4 242), 175418#(<= ULTIMATE.start_main_~i~4 252), 175419#(<= ULTIMATE.start_main_~i~4 254), 175416#(<= ULTIMATE.start_main_~i~4 248), 175417#(<= ULTIMATE.start_main_~i~4 250), 175422#(<= ULTIMATE.start_main_~i~4 260), 175423#(<= ULTIMATE.start_main_~i~4 262), 175420#(<= ULTIMATE.start_main_~i~4 256), 175421#(<= ULTIMATE.start_main_~i~4 258), 175426#(<= ULTIMATE.start_main_~i~4 268), 175427#(<= ULTIMATE.start_main_~i~4 270), 175424#(<= ULTIMATE.start_main_~i~4 264), 175425#(<= ULTIMATE.start_main_~i~4 266), 175430#(<= ULTIMATE.start_main_~i~4 276), 175431#(<= ULTIMATE.start_main_~i~4 278), 175428#(<= ULTIMATE.start_main_~i~4 272), 175429#(<= ULTIMATE.start_main_~i~4 274), 175434#(<= ULTIMATE.start_main_~i~4 284), 175435#(<= ULTIMATE.start_main_~i~4 286), 175432#(<= ULTIMATE.start_main_~i~4 280), 175433#(<= ULTIMATE.start_main_~i~4 282), 175438#(<= ULTIMATE.start_main_~i~4 292), 175439#(<= ULTIMATE.start_main_~i~4 294), 175436#(<= ULTIMATE.start_main_~i~4 288), 175437#(<= ULTIMATE.start_main_~i~4 290), 175442#(<= ULTIMATE.start_main_~i~4 300), 175443#(<= ULTIMATE.start_main_~i~4 302), 175440#(<= ULTIMATE.start_main_~i~4 296), 175441#(<= ULTIMATE.start_main_~i~4 298), 175446#(<= ULTIMATE.start_main_~i~4 308), 175447#(<= ULTIMATE.start_main_~i~4 310), 175444#(<= ULTIMATE.start_main_~i~4 304), 175445#(<= ULTIMATE.start_main_~i~4 306), 175450#(<= ULTIMATE.start_main_~i~4 316), 175451#(<= ULTIMATE.start_main_~i~4 318), 175448#(<= ULTIMATE.start_main_~i~4 312), 175449#(<= ULTIMATE.start_main_~i~4 314), 175454#(<= ULTIMATE.start_main_~i~4 324), 175455#(<= ULTIMATE.start_main_~i~4 326), 175452#(<= ULTIMATE.start_main_~i~4 320), 175453#(<= ULTIMATE.start_main_~i~4 322), 175458#(<= ULTIMATE.start_main_~i~4 332), 175459#(<= ULTIMATE.start_main_~i~4 334), 175456#(<= ULTIMATE.start_main_~i~4 328), 175457#(<= ULTIMATE.start_main_~i~4 330), 175462#(<= ULTIMATE.start_main_~i~4 340), 175463#(<= ULTIMATE.start_main_~i~4 342), 175460#(<= ULTIMATE.start_main_~i~4 336), 175461#(<= ULTIMATE.start_main_~i~4 338), 175466#(<= ULTIMATE.start_main_~i~4 348), 175467#(<= ULTIMATE.start_main_~i~4 350), 175464#(<= ULTIMATE.start_main_~i~4 344), 175465#(<= ULTIMATE.start_main_~i~4 346), 175470#(<= ULTIMATE.start_main_~i~4 356), 175471#(<= ULTIMATE.start_main_~i~4 358), 175468#(<= ULTIMATE.start_main_~i~4 352), 175469#(<= ULTIMATE.start_main_~i~4 354), 175474#(<= ULTIMATE.start_main_~i~4 364), 175475#(<= ULTIMATE.start_main_~i~4 366), 175472#(<= ULTIMATE.start_main_~i~4 360), 175473#(<= ULTIMATE.start_main_~i~4 362), 175478#(<= ULTIMATE.start_main_~i~4 372), 175479#(<= ULTIMATE.start_main_~i~4 374), 175476#(<= ULTIMATE.start_main_~i~4 368), 175477#(<= ULTIMATE.start_main_~i~4 370), 175482#(<= ULTIMATE.start_main_~i~4 380), 175483#(<= ULTIMATE.start_main_~i~4 382), 175480#(<= ULTIMATE.start_main_~i~4 376), 175481#(<= ULTIMATE.start_main_~i~4 378), 175486#(<= ULTIMATE.start_main_~i~4 388), 175484#(<= ULTIMATE.start_main_~i~4 384), 175485#(<= ULTIMATE.start_main_~i~4 386)] [2018-07-23 13:47:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 37830 backedges. 0 proven. 37830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:12,473 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:47:12,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:47:12,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:47:12,477 INFO L87 Difference]: Start difference. First operand 393 states and 393 transitions. Second operand 197 states. [2018-07-23 13:47:13,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:13,382 INFO L93 Difference]: Finished difference Result 397 states and 397 transitions. [2018-07-23 13:47:13,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:47:13,382 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 392 [2018-07-23 13:47:13,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:13,383 INFO L225 Difference]: With dead ends: 397 [2018-07-23 13:47:13,383 INFO L226 Difference]: Without dead ends: 395 [2018-07-23 13:47:13,384 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:47:13,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-07-23 13:47:13,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-07-23 13:47:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-07-23 13:47:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 395 transitions. [2018-07-23 13:47:13,388 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 395 transitions. Word has length 392 [2018-07-23 13:47:13,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:13,388 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 395 transitions. [2018-07-23 13:47:13,388 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:47:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 395 transitions. [2018-07-23 13:47:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-07-23 13:47:13,390 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:13,390 INFO L357 BasicCegarLoop]: trace histogram [196, 195, 1, 1, 1] [2018-07-23 13:47:13,390 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:13,390 INFO L82 PathProgramCache]: Analyzing trace with hash -521262859, now seen corresponding path program 195 times [2018-07-23 13:47:13,390 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 38220 backedges. 0 proven. 38220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,494 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:14,494 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:47:14,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:14,495 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 13:47:14,495 INFO L185 omatonBuilderFactory]: Interpolants [177154#(<= ULTIMATE.start_main_~i~4 162), 177155#(<= ULTIMATE.start_main_~i~4 164), 177152#(<= ULTIMATE.start_main_~i~4 158), 177153#(<= ULTIMATE.start_main_~i~4 160), 177158#(<= ULTIMATE.start_main_~i~4 170), 177159#(<= ULTIMATE.start_main_~i~4 172), 177156#(<= ULTIMATE.start_main_~i~4 166), 177157#(<= ULTIMATE.start_main_~i~4 168), 177162#(<= ULTIMATE.start_main_~i~4 178), 177163#(<= ULTIMATE.start_main_~i~4 180), 177160#(<= ULTIMATE.start_main_~i~4 174), 177161#(<= ULTIMATE.start_main_~i~4 176), 177166#(<= ULTIMATE.start_main_~i~4 186), 177167#(<= ULTIMATE.start_main_~i~4 188), 177164#(<= ULTIMATE.start_main_~i~4 182), 177165#(<= ULTIMATE.start_main_~i~4 184), 177170#(<= ULTIMATE.start_main_~i~4 194), 177171#(<= ULTIMATE.start_main_~i~4 196), 177168#(<= ULTIMATE.start_main_~i~4 190), 177169#(<= ULTIMATE.start_main_~i~4 192), 177174#(<= ULTIMATE.start_main_~i~4 202), 177175#(<= ULTIMATE.start_main_~i~4 204), 177172#(<= ULTIMATE.start_main_~i~4 198), 177173#(<= ULTIMATE.start_main_~i~4 200), 177178#(<= ULTIMATE.start_main_~i~4 210), 177179#(<= ULTIMATE.start_main_~i~4 212), 177176#(<= ULTIMATE.start_main_~i~4 206), 177177#(<= ULTIMATE.start_main_~i~4 208), 177182#(<= ULTIMATE.start_main_~i~4 218), 177183#(<= ULTIMATE.start_main_~i~4 220), 177180#(<= ULTIMATE.start_main_~i~4 214), 177181#(<= ULTIMATE.start_main_~i~4 216), 177186#(<= ULTIMATE.start_main_~i~4 226), 177187#(<= ULTIMATE.start_main_~i~4 228), 177184#(<= ULTIMATE.start_main_~i~4 222), 177185#(<= ULTIMATE.start_main_~i~4 224), 177190#(<= ULTIMATE.start_main_~i~4 234), 177191#(<= ULTIMATE.start_main_~i~4 236), 177188#(<= ULTIMATE.start_main_~i~4 230), 177189#(<= ULTIMATE.start_main_~i~4 232), 177194#(<= ULTIMATE.start_main_~i~4 242), 177195#(<= ULTIMATE.start_main_~i~4 244), 177192#(<= ULTIMATE.start_main_~i~4 238), 177193#(<= ULTIMATE.start_main_~i~4 240), 177198#(<= ULTIMATE.start_main_~i~4 250), 177199#(<= ULTIMATE.start_main_~i~4 252), 177196#(<= ULTIMATE.start_main_~i~4 246), 177197#(<= ULTIMATE.start_main_~i~4 248), 177202#(<= ULTIMATE.start_main_~i~4 258), 177203#(<= ULTIMATE.start_main_~i~4 260), 177200#(<= ULTIMATE.start_main_~i~4 254), 177201#(<= ULTIMATE.start_main_~i~4 256), 177206#(<= ULTIMATE.start_main_~i~4 266), 177207#(<= ULTIMATE.start_main_~i~4 268), 177204#(<= ULTIMATE.start_main_~i~4 262), 177205#(<= ULTIMATE.start_main_~i~4 264), 177210#(<= ULTIMATE.start_main_~i~4 274), 177211#(<= ULTIMATE.start_main_~i~4 276), 177208#(<= ULTIMATE.start_main_~i~4 270), 177209#(<= ULTIMATE.start_main_~i~4 272), 177214#(<= ULTIMATE.start_main_~i~4 282), 177215#(<= ULTIMATE.start_main_~i~4 284), 177212#(<= ULTIMATE.start_main_~i~4 278), 177213#(<= ULTIMATE.start_main_~i~4 280), 177218#(<= ULTIMATE.start_main_~i~4 290), 177219#(<= ULTIMATE.start_main_~i~4 292), 177216#(<= ULTIMATE.start_main_~i~4 286), 177217#(<= ULTIMATE.start_main_~i~4 288), 177222#(<= ULTIMATE.start_main_~i~4 298), 177223#(<= ULTIMATE.start_main_~i~4 300), 177220#(<= ULTIMATE.start_main_~i~4 294), 177221#(<= ULTIMATE.start_main_~i~4 296), 177226#(<= ULTIMATE.start_main_~i~4 306), 177227#(<= ULTIMATE.start_main_~i~4 308), 177224#(<= ULTIMATE.start_main_~i~4 302), 177225#(<= ULTIMATE.start_main_~i~4 304), 177230#(<= ULTIMATE.start_main_~i~4 314), 177231#(<= ULTIMATE.start_main_~i~4 316), 177228#(<= ULTIMATE.start_main_~i~4 310), 177229#(<= ULTIMATE.start_main_~i~4 312), 177234#(<= ULTIMATE.start_main_~i~4 322), 177235#(<= ULTIMATE.start_main_~i~4 324), 177232#(<= ULTIMATE.start_main_~i~4 318), 177233#(<= ULTIMATE.start_main_~i~4 320), 177238#(<= ULTIMATE.start_main_~i~4 330), 177239#(<= ULTIMATE.start_main_~i~4 332), 177236#(<= ULTIMATE.start_main_~i~4 326), 177237#(<= ULTIMATE.start_main_~i~4 328), 177242#(<= ULTIMATE.start_main_~i~4 338), 177243#(<= ULTIMATE.start_main_~i~4 340), 177240#(<= ULTIMATE.start_main_~i~4 334), 177241#(<= ULTIMATE.start_main_~i~4 336), 177246#(<= ULTIMATE.start_main_~i~4 346), 177247#(<= ULTIMATE.start_main_~i~4 348), 177244#(<= ULTIMATE.start_main_~i~4 342), 177245#(<= ULTIMATE.start_main_~i~4 344), 177250#(<= ULTIMATE.start_main_~i~4 354), 177251#(<= ULTIMATE.start_main_~i~4 356), 177248#(<= ULTIMATE.start_main_~i~4 350), 177249#(<= ULTIMATE.start_main_~i~4 352), 177254#(<= ULTIMATE.start_main_~i~4 362), 177255#(<= ULTIMATE.start_main_~i~4 364), 177252#(<= ULTIMATE.start_main_~i~4 358), 177253#(<= ULTIMATE.start_main_~i~4 360), 177258#(<= ULTIMATE.start_main_~i~4 370), 177259#(<= ULTIMATE.start_main_~i~4 372), 177256#(<= ULTIMATE.start_main_~i~4 366), 177257#(<= ULTIMATE.start_main_~i~4 368), 177262#(<= ULTIMATE.start_main_~i~4 378), 177263#(<= ULTIMATE.start_main_~i~4 380), 177260#(<= ULTIMATE.start_main_~i~4 374), 177261#(<= ULTIMATE.start_main_~i~4 376), 177266#(<= ULTIMATE.start_main_~i~4 386), 177267#(<= ULTIMATE.start_main_~i~4 388), 177264#(<= ULTIMATE.start_main_~i~4 382), 177265#(<= ULTIMATE.start_main_~i~4 384), 177268#(<= ULTIMATE.start_main_~i~4 390), 177071#true, 177074#(<= ULTIMATE.start_main_~i~4 2), 177075#(<= ULTIMATE.start_main_~i~4 4), 177072#false, 177073#(<= ULTIMATE.start_main_~i~4 0), 177078#(<= ULTIMATE.start_main_~i~4 10), 177079#(<= ULTIMATE.start_main_~i~4 12), 177076#(<= ULTIMATE.start_main_~i~4 6), 177077#(<= ULTIMATE.start_main_~i~4 8), 177082#(<= ULTIMATE.start_main_~i~4 18), 177083#(<= ULTIMATE.start_main_~i~4 20), 177080#(<= ULTIMATE.start_main_~i~4 14), 177081#(<= ULTIMATE.start_main_~i~4 16), 177086#(<= ULTIMATE.start_main_~i~4 26), 177087#(<= ULTIMATE.start_main_~i~4 28), 177084#(<= ULTIMATE.start_main_~i~4 22), 177085#(<= ULTIMATE.start_main_~i~4 24), 177090#(<= ULTIMATE.start_main_~i~4 34), 177091#(<= ULTIMATE.start_main_~i~4 36), 177088#(<= ULTIMATE.start_main_~i~4 30), 177089#(<= ULTIMATE.start_main_~i~4 32), 177094#(<= ULTIMATE.start_main_~i~4 42), 177095#(<= ULTIMATE.start_main_~i~4 44), 177092#(<= ULTIMATE.start_main_~i~4 38), 177093#(<= ULTIMATE.start_main_~i~4 40), 177098#(<= ULTIMATE.start_main_~i~4 50), 177099#(<= ULTIMATE.start_main_~i~4 52), 177096#(<= ULTIMATE.start_main_~i~4 46), 177097#(<= ULTIMATE.start_main_~i~4 48), 177102#(<= ULTIMATE.start_main_~i~4 58), 177103#(<= ULTIMATE.start_main_~i~4 60), 177100#(<= ULTIMATE.start_main_~i~4 54), 177101#(<= ULTIMATE.start_main_~i~4 56), 177106#(<= ULTIMATE.start_main_~i~4 66), 177107#(<= ULTIMATE.start_main_~i~4 68), 177104#(<= ULTIMATE.start_main_~i~4 62), 177105#(<= ULTIMATE.start_main_~i~4 64), 177110#(<= ULTIMATE.start_main_~i~4 74), 177111#(<= ULTIMATE.start_main_~i~4 76), 177108#(<= ULTIMATE.start_main_~i~4 70), 177109#(<= ULTIMATE.start_main_~i~4 72), 177114#(<= ULTIMATE.start_main_~i~4 82), 177115#(<= ULTIMATE.start_main_~i~4 84), 177112#(<= ULTIMATE.start_main_~i~4 78), 177113#(<= ULTIMATE.start_main_~i~4 80), 177118#(<= ULTIMATE.start_main_~i~4 90), 177119#(<= ULTIMATE.start_main_~i~4 92), 177116#(<= ULTIMATE.start_main_~i~4 86), 177117#(<= ULTIMATE.start_main_~i~4 88), 177122#(<= ULTIMATE.start_main_~i~4 98), 177123#(<= ULTIMATE.start_main_~i~4 100), 177120#(<= ULTIMATE.start_main_~i~4 94), 177121#(<= ULTIMATE.start_main_~i~4 96), 177126#(<= ULTIMATE.start_main_~i~4 106), 177127#(<= ULTIMATE.start_main_~i~4 108), 177124#(<= ULTIMATE.start_main_~i~4 102), 177125#(<= ULTIMATE.start_main_~i~4 104), 177130#(<= ULTIMATE.start_main_~i~4 114), 177131#(<= ULTIMATE.start_main_~i~4 116), 177128#(<= ULTIMATE.start_main_~i~4 110), 177129#(<= ULTIMATE.start_main_~i~4 112), 177134#(<= ULTIMATE.start_main_~i~4 122), 177135#(<= ULTIMATE.start_main_~i~4 124), 177132#(<= ULTIMATE.start_main_~i~4 118), 177133#(<= ULTIMATE.start_main_~i~4 120), 177138#(<= ULTIMATE.start_main_~i~4 130), 177139#(<= ULTIMATE.start_main_~i~4 132), 177136#(<= ULTIMATE.start_main_~i~4 126), 177137#(<= ULTIMATE.start_main_~i~4 128), 177142#(<= ULTIMATE.start_main_~i~4 138), 177143#(<= ULTIMATE.start_main_~i~4 140), 177140#(<= ULTIMATE.start_main_~i~4 134), 177141#(<= ULTIMATE.start_main_~i~4 136), 177146#(<= ULTIMATE.start_main_~i~4 146), 177147#(<= ULTIMATE.start_main_~i~4 148), 177144#(<= ULTIMATE.start_main_~i~4 142), 177145#(<= ULTIMATE.start_main_~i~4 144), 177150#(<= ULTIMATE.start_main_~i~4 154), 177151#(<= ULTIMATE.start_main_~i~4 156), 177148#(<= ULTIMATE.start_main_~i~4 150), 177149#(<= ULTIMATE.start_main_~i~4 152)] [2018-07-23 13:47:14,497 INFO L134 CoverageAnalysis]: Checked inductivity of 38220 backedges. 0 proven. 38220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,497 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:47:14,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:47:14,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:47:14,502 INFO L87 Difference]: Start difference. First operand 395 states and 395 transitions. Second operand 198 states. [2018-07-23 13:47:15,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:15,209 INFO L93 Difference]: Finished difference Result 399 states and 399 transitions. [2018-07-23 13:47:15,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:47:15,209 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 394 [2018-07-23 13:47:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:15,210 INFO L225 Difference]: With dead ends: 399 [2018-07-23 13:47:15,210 INFO L226 Difference]: Without dead ends: 397 [2018-07-23 13:47:15,212 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:47:15,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-07-23 13:47:15,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-07-23 13:47:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-07-23 13:47:15,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 397 transitions. [2018-07-23 13:47:15,215 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 397 transitions. Word has length 394 [2018-07-23 13:47:15,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:15,216 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 397 transitions. [2018-07-23 13:47:15,216 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:47:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 397 transitions. [2018-07-23 13:47:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-07-23 13:47:15,217 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:15,217 INFO L357 BasicCegarLoop]: trace histogram [197, 196, 1, 1, 1] [2018-07-23 13:47:15,217 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:15,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1577618223, now seen corresponding path program 196 times [2018-07-23 13:47:15,217 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 38612 backedges. 0 proven. 38612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:16,389 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:16,389 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:47:16,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:16,390 INFO L185 omatonBuilderFactory]: Interpolants [178862#false, 178863#(<= ULTIMATE.start_main_~i~4 0), 178861#true, 178866#(<= ULTIMATE.start_main_~i~4 6), 178867#(<= ULTIMATE.start_main_~i~4 8), 178864#(<= ULTIMATE.start_main_~i~4 2), 178865#(<= ULTIMATE.start_main_~i~4 4), 178870#(<= ULTIMATE.start_main_~i~4 14), 178871#(<= ULTIMATE.start_main_~i~4 16), 178868#(<= ULTIMATE.start_main_~i~4 10), 178869#(<= ULTIMATE.start_main_~i~4 12), 178874#(<= ULTIMATE.start_main_~i~4 22), 178875#(<= ULTIMATE.start_main_~i~4 24), 178872#(<= ULTIMATE.start_main_~i~4 18), 178873#(<= ULTIMATE.start_main_~i~4 20), 178878#(<= ULTIMATE.start_main_~i~4 30), 178879#(<= ULTIMATE.start_main_~i~4 32), 178876#(<= ULTIMATE.start_main_~i~4 26), 178877#(<= ULTIMATE.start_main_~i~4 28), 178882#(<= ULTIMATE.start_main_~i~4 38), 178883#(<= ULTIMATE.start_main_~i~4 40), 178880#(<= ULTIMATE.start_main_~i~4 34), 178881#(<= ULTIMATE.start_main_~i~4 36), 178886#(<= ULTIMATE.start_main_~i~4 46), 178887#(<= ULTIMATE.start_main_~i~4 48), 178884#(<= ULTIMATE.start_main_~i~4 42), 178885#(<= ULTIMATE.start_main_~i~4 44), 178890#(<= ULTIMATE.start_main_~i~4 54), 178891#(<= ULTIMATE.start_main_~i~4 56), 178888#(<= ULTIMATE.start_main_~i~4 50), 178889#(<= ULTIMATE.start_main_~i~4 52), 178894#(<= ULTIMATE.start_main_~i~4 62), 178895#(<= ULTIMATE.start_main_~i~4 64), 178892#(<= ULTIMATE.start_main_~i~4 58), 178893#(<= ULTIMATE.start_main_~i~4 60), 178898#(<= ULTIMATE.start_main_~i~4 70), 178899#(<= ULTIMATE.start_main_~i~4 72), 178896#(<= ULTIMATE.start_main_~i~4 66), 178897#(<= ULTIMATE.start_main_~i~4 68), 178902#(<= ULTIMATE.start_main_~i~4 78), 178903#(<= ULTIMATE.start_main_~i~4 80), 178900#(<= ULTIMATE.start_main_~i~4 74), 178901#(<= ULTIMATE.start_main_~i~4 76), 178906#(<= ULTIMATE.start_main_~i~4 86), 178907#(<= ULTIMATE.start_main_~i~4 88), 178904#(<= ULTIMATE.start_main_~i~4 82), 178905#(<= ULTIMATE.start_main_~i~4 84), 178910#(<= ULTIMATE.start_main_~i~4 94), 178911#(<= ULTIMATE.start_main_~i~4 96), 178908#(<= ULTIMATE.start_main_~i~4 90), 178909#(<= ULTIMATE.start_main_~i~4 92), 178914#(<= ULTIMATE.start_main_~i~4 102), 178915#(<= ULTIMATE.start_main_~i~4 104), 178912#(<= ULTIMATE.start_main_~i~4 98), 178913#(<= ULTIMATE.start_main_~i~4 100), 178918#(<= ULTIMATE.start_main_~i~4 110), 178919#(<= ULTIMATE.start_main_~i~4 112), 178916#(<= ULTIMATE.start_main_~i~4 106), 178917#(<= ULTIMATE.start_main_~i~4 108), 178922#(<= ULTIMATE.start_main_~i~4 118), 178923#(<= ULTIMATE.start_main_~i~4 120), 178920#(<= ULTIMATE.start_main_~i~4 114), 178921#(<= ULTIMATE.start_main_~i~4 116), 178926#(<= ULTIMATE.start_main_~i~4 126), 178927#(<= ULTIMATE.start_main_~i~4 128), 178924#(<= ULTIMATE.start_main_~i~4 122), 178925#(<= ULTIMATE.start_main_~i~4 124), 178930#(<= ULTIMATE.start_main_~i~4 134), 178931#(<= ULTIMATE.start_main_~i~4 136), 178928#(<= ULTIMATE.start_main_~i~4 130), 178929#(<= ULTIMATE.start_main_~i~4 132), 178934#(<= ULTIMATE.start_main_~i~4 142), 178935#(<= ULTIMATE.start_main_~i~4 144), 178932#(<= ULTIMATE.start_main_~i~4 138), 178933#(<= ULTIMATE.start_main_~i~4 140), 178938#(<= ULTIMATE.start_main_~i~4 150), 178939#(<= ULTIMATE.start_main_~i~4 152), 178936#(<= ULTIMATE.start_main_~i~4 146), 178937#(<= ULTIMATE.start_main_~i~4 148), 178942#(<= ULTIMATE.start_main_~i~4 158), 178943#(<= ULTIMATE.start_main_~i~4 160), 178940#(<= ULTIMATE.start_main_~i~4 154), 178941#(<= ULTIMATE.start_main_~i~4 156), 178946#(<= ULTIMATE.start_main_~i~4 166), 178947#(<= ULTIMATE.start_main_~i~4 168), 178944#(<= ULTIMATE.start_main_~i~4 162), 178945#(<= ULTIMATE.start_main_~i~4 164), 178950#(<= ULTIMATE.start_main_~i~4 174), 178951#(<= ULTIMATE.start_main_~i~4 176), 178948#(<= ULTIMATE.start_main_~i~4 170), 178949#(<= ULTIMATE.start_main_~i~4 172), 178954#(<= ULTIMATE.start_main_~i~4 182), 178955#(<= ULTIMATE.start_main_~i~4 184), 178952#(<= ULTIMATE.start_main_~i~4 178), 178953#(<= ULTIMATE.start_main_~i~4 180), 178958#(<= ULTIMATE.start_main_~i~4 190), 178959#(<= ULTIMATE.start_main_~i~4 192), 178956#(<= ULTIMATE.start_main_~i~4 186), 178957#(<= ULTIMATE.start_main_~i~4 188), 178962#(<= ULTIMATE.start_main_~i~4 198), 178963#(<= ULTIMATE.start_main_~i~4 200), 178960#(<= ULTIMATE.start_main_~i~4 194), 178961#(<= ULTIMATE.start_main_~i~4 196), 178966#(<= ULTIMATE.start_main_~i~4 206), 178967#(<= ULTIMATE.start_main_~i~4 208), 178964#(<= ULTIMATE.start_main_~i~4 202), 178965#(<= ULTIMATE.start_main_~i~4 204), 178970#(<= ULTIMATE.start_main_~i~4 214), 178971#(<= ULTIMATE.start_main_~i~4 216), 178968#(<= ULTIMATE.start_main_~i~4 210), 178969#(<= ULTIMATE.start_main_~i~4 212), 178974#(<= ULTIMATE.start_main_~i~4 222), 178975#(<= ULTIMATE.start_main_~i~4 224), 178972#(<= ULTIMATE.start_main_~i~4 218), 178973#(<= ULTIMATE.start_main_~i~4 220), 178978#(<= ULTIMATE.start_main_~i~4 230), 178979#(<= ULTIMATE.start_main_~i~4 232), 178976#(<= ULTIMATE.start_main_~i~4 226), 178977#(<= ULTIMATE.start_main_~i~4 228), 178982#(<= ULTIMATE.start_main_~i~4 238), 178983#(<= ULTIMATE.start_main_~i~4 240), 178980#(<= ULTIMATE.start_main_~i~4 234), 178981#(<= ULTIMATE.start_main_~i~4 236), 178986#(<= ULTIMATE.start_main_~i~4 246), 178987#(<= ULTIMATE.start_main_~i~4 248), 178984#(<= ULTIMATE.start_main_~i~4 242), 178985#(<= ULTIMATE.start_main_~i~4 244), 178990#(<= ULTIMATE.start_main_~i~4 254), 178991#(<= ULTIMATE.start_main_~i~4 256), 178988#(<= ULTIMATE.start_main_~i~4 250), 178989#(<= ULTIMATE.start_main_~i~4 252), 178994#(<= ULTIMATE.start_main_~i~4 262), 178995#(<= ULTIMATE.start_main_~i~4 264), 178992#(<= ULTIMATE.start_main_~i~4 258), 178993#(<= ULTIMATE.start_main_~i~4 260), 178998#(<= ULTIMATE.start_main_~i~4 270), 178999#(<= ULTIMATE.start_main_~i~4 272), 178996#(<= ULTIMATE.start_main_~i~4 266), 178997#(<= ULTIMATE.start_main_~i~4 268), 179002#(<= ULTIMATE.start_main_~i~4 278), 179003#(<= ULTIMATE.start_main_~i~4 280), 179000#(<= ULTIMATE.start_main_~i~4 274), 179001#(<= ULTIMATE.start_main_~i~4 276), 179006#(<= ULTIMATE.start_main_~i~4 286), 179007#(<= ULTIMATE.start_main_~i~4 288), 179004#(<= ULTIMATE.start_main_~i~4 282), 179005#(<= ULTIMATE.start_main_~i~4 284), 179010#(<= ULTIMATE.start_main_~i~4 294), 179011#(<= ULTIMATE.start_main_~i~4 296), 179008#(<= ULTIMATE.start_main_~i~4 290), 179009#(<= ULTIMATE.start_main_~i~4 292), 179014#(<= ULTIMATE.start_main_~i~4 302), 179015#(<= ULTIMATE.start_main_~i~4 304), 179012#(<= ULTIMATE.start_main_~i~4 298), 179013#(<= ULTIMATE.start_main_~i~4 300), 179018#(<= ULTIMATE.start_main_~i~4 310), 179019#(<= ULTIMATE.start_main_~i~4 312), 179016#(<= ULTIMATE.start_main_~i~4 306), 179017#(<= ULTIMATE.start_main_~i~4 308), 179022#(<= ULTIMATE.start_main_~i~4 318), 179023#(<= ULTIMATE.start_main_~i~4 320), 179020#(<= ULTIMATE.start_main_~i~4 314), 179021#(<= ULTIMATE.start_main_~i~4 316), 179026#(<= ULTIMATE.start_main_~i~4 326), 179027#(<= ULTIMATE.start_main_~i~4 328), 179024#(<= ULTIMATE.start_main_~i~4 322), 179025#(<= ULTIMATE.start_main_~i~4 324), 179030#(<= ULTIMATE.start_main_~i~4 334), 179031#(<= ULTIMATE.start_main_~i~4 336), 179028#(<= ULTIMATE.start_main_~i~4 330), 179029#(<= ULTIMATE.start_main_~i~4 332), 179034#(<= ULTIMATE.start_main_~i~4 342), 179035#(<= ULTIMATE.start_main_~i~4 344), 179032#(<= ULTIMATE.start_main_~i~4 338), 179033#(<= ULTIMATE.start_main_~i~4 340), 179038#(<= ULTIMATE.start_main_~i~4 350), 179039#(<= ULTIMATE.start_main_~i~4 352), 179036#(<= ULTIMATE.start_main_~i~4 346), 179037#(<= ULTIMATE.start_main_~i~4 348), 179042#(<= ULTIMATE.start_main_~i~4 358), 179043#(<= ULTIMATE.start_main_~i~4 360), 179040#(<= ULTIMATE.start_main_~i~4 354), 179041#(<= ULTIMATE.start_main_~i~4 356), 179046#(<= ULTIMATE.start_main_~i~4 366), 179047#(<= ULTIMATE.start_main_~i~4 368), 179044#(<= ULTIMATE.start_main_~i~4 362), 179045#(<= ULTIMATE.start_main_~i~4 364), 179050#(<= ULTIMATE.start_main_~i~4 374), 179051#(<= ULTIMATE.start_main_~i~4 376), 179048#(<= ULTIMATE.start_main_~i~4 370), 179049#(<= ULTIMATE.start_main_~i~4 372), 179054#(<= ULTIMATE.start_main_~i~4 382), 179055#(<= ULTIMATE.start_main_~i~4 384), 179052#(<= ULTIMATE.start_main_~i~4 378), 179053#(<= ULTIMATE.start_main_~i~4 380), 179058#(<= ULTIMATE.start_main_~i~4 390), 179059#(<= ULTIMATE.start_main_~i~4 392), 179056#(<= ULTIMATE.start_main_~i~4 386), 179057#(<= ULTIMATE.start_main_~i~4 388)] [2018-07-23 13:47:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 38612 backedges. 0 proven. 38612 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:16,392 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:47:16,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:47:16,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:47:16,399 INFO L87 Difference]: Start difference. First operand 397 states and 397 transitions. Second operand 199 states. [2018-07-23 13:47:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:17,203 INFO L93 Difference]: Finished difference Result 401 states and 401 transitions. [2018-07-23 13:47:17,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:47:17,203 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 396 [2018-07-23 13:47:17,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:17,204 INFO L225 Difference]: With dead ends: 401 [2018-07-23 13:47:17,204 INFO L226 Difference]: Without dead ends: 399 [2018-07-23 13:47:17,206 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:47:17,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-07-23 13:47:17,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2018-07-23 13:47:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-07-23 13:47:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 399 transitions. [2018-07-23 13:47:17,210 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 399 transitions. Word has length 396 [2018-07-23 13:47:17,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:17,210 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 399 transitions. [2018-07-23 13:47:17,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:47:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 399 transitions. [2018-07-23 13:47:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-07-23 13:47:17,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:17,212 INFO L357 BasicCegarLoop]: trace histogram [198, 197, 1, 1, 1] [2018-07-23 13:47:17,212 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:17,212 INFO L82 PathProgramCache]: Analyzing trace with hash -32291095, now seen corresponding path program 197 times [2018-07-23 13:47:17,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 39006 backedges. 0 proven. 39006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:18,348 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:18,348 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:47:18,348 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:18,349 INFO L185 omatonBuilderFactory]: Interpolants [180738#(<= ULTIMATE.start_main_~i~4 152), 180739#(<= ULTIMATE.start_main_~i~4 154), 180736#(<= ULTIMATE.start_main_~i~4 148), 180737#(<= ULTIMATE.start_main_~i~4 150), 180742#(<= ULTIMATE.start_main_~i~4 160), 180743#(<= ULTIMATE.start_main_~i~4 162), 180740#(<= ULTIMATE.start_main_~i~4 156), 180741#(<= ULTIMATE.start_main_~i~4 158), 180746#(<= ULTIMATE.start_main_~i~4 168), 180747#(<= ULTIMATE.start_main_~i~4 170), 180744#(<= ULTIMATE.start_main_~i~4 164), 180745#(<= ULTIMATE.start_main_~i~4 166), 180750#(<= ULTIMATE.start_main_~i~4 176), 180751#(<= ULTIMATE.start_main_~i~4 178), 180748#(<= ULTIMATE.start_main_~i~4 172), 180749#(<= ULTIMATE.start_main_~i~4 174), 180754#(<= ULTIMATE.start_main_~i~4 184), 180755#(<= ULTIMATE.start_main_~i~4 186), 180752#(<= ULTIMATE.start_main_~i~4 180), 180753#(<= ULTIMATE.start_main_~i~4 182), 180758#(<= ULTIMATE.start_main_~i~4 192), 180759#(<= ULTIMATE.start_main_~i~4 194), 180756#(<= ULTIMATE.start_main_~i~4 188), 180757#(<= ULTIMATE.start_main_~i~4 190), 180762#(<= ULTIMATE.start_main_~i~4 200), 180763#(<= ULTIMATE.start_main_~i~4 202), 180760#(<= ULTIMATE.start_main_~i~4 196), 180761#(<= ULTIMATE.start_main_~i~4 198), 180766#(<= ULTIMATE.start_main_~i~4 208), 180767#(<= ULTIMATE.start_main_~i~4 210), 180764#(<= ULTIMATE.start_main_~i~4 204), 180765#(<= ULTIMATE.start_main_~i~4 206), 180770#(<= ULTIMATE.start_main_~i~4 216), 180771#(<= ULTIMATE.start_main_~i~4 218), 180768#(<= ULTIMATE.start_main_~i~4 212), 180769#(<= ULTIMATE.start_main_~i~4 214), 180774#(<= ULTIMATE.start_main_~i~4 224), 180775#(<= ULTIMATE.start_main_~i~4 226), 180772#(<= ULTIMATE.start_main_~i~4 220), 180773#(<= ULTIMATE.start_main_~i~4 222), 180778#(<= ULTIMATE.start_main_~i~4 232), 180779#(<= ULTIMATE.start_main_~i~4 234), 180776#(<= ULTIMATE.start_main_~i~4 228), 180777#(<= ULTIMATE.start_main_~i~4 230), 180782#(<= ULTIMATE.start_main_~i~4 240), 180783#(<= ULTIMATE.start_main_~i~4 242), 180780#(<= ULTIMATE.start_main_~i~4 236), 180781#(<= ULTIMATE.start_main_~i~4 238), 180786#(<= ULTIMATE.start_main_~i~4 248), 180787#(<= ULTIMATE.start_main_~i~4 250), 180784#(<= ULTIMATE.start_main_~i~4 244), 180785#(<= ULTIMATE.start_main_~i~4 246), 180790#(<= ULTIMATE.start_main_~i~4 256), 180791#(<= ULTIMATE.start_main_~i~4 258), 180788#(<= ULTIMATE.start_main_~i~4 252), 180789#(<= ULTIMATE.start_main_~i~4 254), 180794#(<= ULTIMATE.start_main_~i~4 264), 180795#(<= ULTIMATE.start_main_~i~4 266), 180792#(<= ULTIMATE.start_main_~i~4 260), 180793#(<= ULTIMATE.start_main_~i~4 262), 180798#(<= ULTIMATE.start_main_~i~4 272), 180799#(<= ULTIMATE.start_main_~i~4 274), 180796#(<= ULTIMATE.start_main_~i~4 268), 180797#(<= ULTIMATE.start_main_~i~4 270), 180802#(<= ULTIMATE.start_main_~i~4 280), 180803#(<= ULTIMATE.start_main_~i~4 282), 180800#(<= ULTIMATE.start_main_~i~4 276), 180801#(<= ULTIMATE.start_main_~i~4 278), 180806#(<= ULTIMATE.start_main_~i~4 288), 180807#(<= ULTIMATE.start_main_~i~4 290), 180804#(<= ULTIMATE.start_main_~i~4 284), 180805#(<= ULTIMATE.start_main_~i~4 286), 180810#(<= ULTIMATE.start_main_~i~4 296), 180811#(<= ULTIMATE.start_main_~i~4 298), 180808#(<= ULTIMATE.start_main_~i~4 292), 180809#(<= ULTIMATE.start_main_~i~4 294), 180814#(<= ULTIMATE.start_main_~i~4 304), 180815#(<= ULTIMATE.start_main_~i~4 306), 180812#(<= ULTIMATE.start_main_~i~4 300), 180813#(<= ULTIMATE.start_main_~i~4 302), 180818#(<= ULTIMATE.start_main_~i~4 312), 180819#(<= ULTIMATE.start_main_~i~4 314), 180816#(<= ULTIMATE.start_main_~i~4 308), 180817#(<= ULTIMATE.start_main_~i~4 310), 180822#(<= ULTIMATE.start_main_~i~4 320), 180823#(<= ULTIMATE.start_main_~i~4 322), 180820#(<= ULTIMATE.start_main_~i~4 316), 180821#(<= ULTIMATE.start_main_~i~4 318), 180826#(<= ULTIMATE.start_main_~i~4 328), 180827#(<= ULTIMATE.start_main_~i~4 330), 180824#(<= ULTIMATE.start_main_~i~4 324), 180825#(<= ULTIMATE.start_main_~i~4 326), 180830#(<= ULTIMATE.start_main_~i~4 336), 180831#(<= ULTIMATE.start_main_~i~4 338), 180828#(<= ULTIMATE.start_main_~i~4 332), 180829#(<= ULTIMATE.start_main_~i~4 334), 180834#(<= ULTIMATE.start_main_~i~4 344), 180835#(<= ULTIMATE.start_main_~i~4 346), 180832#(<= ULTIMATE.start_main_~i~4 340), 180833#(<= ULTIMATE.start_main_~i~4 342), 180838#(<= ULTIMATE.start_main_~i~4 352), 180839#(<= ULTIMATE.start_main_~i~4 354), 180836#(<= ULTIMATE.start_main_~i~4 348), 180837#(<= ULTIMATE.start_main_~i~4 350), 180842#(<= ULTIMATE.start_main_~i~4 360), 180843#(<= ULTIMATE.start_main_~i~4 362), 180840#(<= ULTIMATE.start_main_~i~4 356), 180841#(<= ULTIMATE.start_main_~i~4 358), 180846#(<= ULTIMATE.start_main_~i~4 368), 180847#(<= ULTIMATE.start_main_~i~4 370), 180844#(<= ULTIMATE.start_main_~i~4 364), 180845#(<= ULTIMATE.start_main_~i~4 366), 180850#(<= ULTIMATE.start_main_~i~4 376), 180851#(<= ULTIMATE.start_main_~i~4 378), 180848#(<= ULTIMATE.start_main_~i~4 372), 180849#(<= ULTIMATE.start_main_~i~4 374), 180854#(<= ULTIMATE.start_main_~i~4 384), 180855#(<= ULTIMATE.start_main_~i~4 386), 180852#(<= ULTIMATE.start_main_~i~4 380), 180853#(<= ULTIMATE.start_main_~i~4 382), 180858#(<= ULTIMATE.start_main_~i~4 392), 180859#(<= ULTIMATE.start_main_~i~4 394), 180856#(<= ULTIMATE.start_main_~i~4 388), 180857#(<= ULTIMATE.start_main_~i~4 390), 180662#(<= ULTIMATE.start_main_~i~4 0), 180663#(<= ULTIMATE.start_main_~i~4 2), 180660#true, 180661#false, 180666#(<= ULTIMATE.start_main_~i~4 8), 180667#(<= ULTIMATE.start_main_~i~4 10), 180664#(<= ULTIMATE.start_main_~i~4 4), 180665#(<= ULTIMATE.start_main_~i~4 6), 180670#(<= ULTIMATE.start_main_~i~4 16), 180671#(<= ULTIMATE.start_main_~i~4 18), 180668#(<= ULTIMATE.start_main_~i~4 12), 180669#(<= ULTIMATE.start_main_~i~4 14), 180674#(<= ULTIMATE.start_main_~i~4 24), 180675#(<= ULTIMATE.start_main_~i~4 26), 180672#(<= ULTIMATE.start_main_~i~4 20), 180673#(<= ULTIMATE.start_main_~i~4 22), 180678#(<= ULTIMATE.start_main_~i~4 32), 180679#(<= ULTIMATE.start_main_~i~4 34), 180676#(<= ULTIMATE.start_main_~i~4 28), 180677#(<= ULTIMATE.start_main_~i~4 30), 180682#(<= ULTIMATE.start_main_~i~4 40), 180683#(<= ULTIMATE.start_main_~i~4 42), 180680#(<= ULTIMATE.start_main_~i~4 36), 180681#(<= ULTIMATE.start_main_~i~4 38), 180686#(<= ULTIMATE.start_main_~i~4 48), 180687#(<= ULTIMATE.start_main_~i~4 50), 180684#(<= ULTIMATE.start_main_~i~4 44), 180685#(<= ULTIMATE.start_main_~i~4 46), 180690#(<= ULTIMATE.start_main_~i~4 56), 180691#(<= ULTIMATE.start_main_~i~4 58), 180688#(<= ULTIMATE.start_main_~i~4 52), 180689#(<= ULTIMATE.start_main_~i~4 54), 180694#(<= ULTIMATE.start_main_~i~4 64), 180695#(<= ULTIMATE.start_main_~i~4 66), 180692#(<= ULTIMATE.start_main_~i~4 60), 180693#(<= ULTIMATE.start_main_~i~4 62), 180698#(<= ULTIMATE.start_main_~i~4 72), 180699#(<= ULTIMATE.start_main_~i~4 74), 180696#(<= ULTIMATE.start_main_~i~4 68), 180697#(<= ULTIMATE.start_main_~i~4 70), 180702#(<= ULTIMATE.start_main_~i~4 80), 180703#(<= ULTIMATE.start_main_~i~4 82), 180700#(<= ULTIMATE.start_main_~i~4 76), 180701#(<= ULTIMATE.start_main_~i~4 78), 180706#(<= ULTIMATE.start_main_~i~4 88), 180707#(<= ULTIMATE.start_main_~i~4 90), 180704#(<= ULTIMATE.start_main_~i~4 84), 180705#(<= ULTIMATE.start_main_~i~4 86), 180710#(<= ULTIMATE.start_main_~i~4 96), 180711#(<= ULTIMATE.start_main_~i~4 98), 180708#(<= ULTIMATE.start_main_~i~4 92), 180709#(<= ULTIMATE.start_main_~i~4 94), 180714#(<= ULTIMATE.start_main_~i~4 104), 180715#(<= ULTIMATE.start_main_~i~4 106), 180712#(<= ULTIMATE.start_main_~i~4 100), 180713#(<= ULTIMATE.start_main_~i~4 102), 180718#(<= ULTIMATE.start_main_~i~4 112), 180719#(<= ULTIMATE.start_main_~i~4 114), 180716#(<= ULTIMATE.start_main_~i~4 108), 180717#(<= ULTIMATE.start_main_~i~4 110), 180722#(<= ULTIMATE.start_main_~i~4 120), 180723#(<= ULTIMATE.start_main_~i~4 122), 180720#(<= ULTIMATE.start_main_~i~4 116), 180721#(<= ULTIMATE.start_main_~i~4 118), 180726#(<= ULTIMATE.start_main_~i~4 128), 180727#(<= ULTIMATE.start_main_~i~4 130), 180724#(<= ULTIMATE.start_main_~i~4 124), 180725#(<= ULTIMATE.start_main_~i~4 126), 180730#(<= ULTIMATE.start_main_~i~4 136), 180731#(<= ULTIMATE.start_main_~i~4 138), 180728#(<= ULTIMATE.start_main_~i~4 132), 180729#(<= ULTIMATE.start_main_~i~4 134), 180734#(<= ULTIMATE.start_main_~i~4 144), 180735#(<= ULTIMATE.start_main_~i~4 146), 180732#(<= ULTIMATE.start_main_~i~4 140), 180733#(<= ULTIMATE.start_main_~i~4 142)] [2018-07-23 13:47:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 39006 backedges. 0 proven. 39006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:18,351 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:47:18,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:47:18,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:47:18,356 INFO L87 Difference]: Start difference. First operand 399 states and 399 transitions. Second operand 200 states. [2018-07-23 13:47:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:19,183 INFO L93 Difference]: Finished difference Result 403 states and 403 transitions. [2018-07-23 13:47:19,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:47:19,183 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 398 [2018-07-23 13:47:19,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:19,184 INFO L225 Difference]: With dead ends: 403 [2018-07-23 13:47:19,184 INFO L226 Difference]: Without dead ends: 401 [2018-07-23 13:47:19,186 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:47:19,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-07-23 13:47:19,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-07-23 13:47:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-07-23 13:47:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 401 transitions. [2018-07-23 13:47:19,190 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 401 transitions. Word has length 398 [2018-07-23 13:47:19,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:19,190 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 401 transitions. [2018-07-23 13:47:19,190 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:47:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 401 transitions. [2018-07-23 13:47:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-07-23 13:47:19,191 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:19,191 INFO L357 BasicCegarLoop]: trace histogram [199, 198, 1, 1, 1] [2018-07-23 13:47:19,191 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:19,192 INFO L82 PathProgramCache]: Analyzing trace with hash -966919133, now seen corresponding path program 198 times [2018-07-23 13:47:19,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 39402 backedges. 0 proven. 39402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:20,314 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:20,314 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:47:20,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:20,315 INFO L185 omatonBuilderFactory]: Interpolants [182470#(<= ULTIMATE.start_main_~i~4 0), 182471#(<= ULTIMATE.start_main_~i~4 2), 182468#true, 182469#false, 182474#(<= ULTIMATE.start_main_~i~4 8), 182475#(<= ULTIMATE.start_main_~i~4 10), 182472#(<= ULTIMATE.start_main_~i~4 4), 182473#(<= ULTIMATE.start_main_~i~4 6), 182478#(<= ULTIMATE.start_main_~i~4 16), 182479#(<= ULTIMATE.start_main_~i~4 18), 182476#(<= ULTIMATE.start_main_~i~4 12), 182477#(<= ULTIMATE.start_main_~i~4 14), 182482#(<= ULTIMATE.start_main_~i~4 24), 182483#(<= ULTIMATE.start_main_~i~4 26), 182480#(<= ULTIMATE.start_main_~i~4 20), 182481#(<= ULTIMATE.start_main_~i~4 22), 182486#(<= ULTIMATE.start_main_~i~4 32), 182487#(<= ULTIMATE.start_main_~i~4 34), 182484#(<= ULTIMATE.start_main_~i~4 28), 182485#(<= ULTIMATE.start_main_~i~4 30), 182490#(<= ULTIMATE.start_main_~i~4 40), 182491#(<= ULTIMATE.start_main_~i~4 42), 182488#(<= ULTIMATE.start_main_~i~4 36), 182489#(<= ULTIMATE.start_main_~i~4 38), 182494#(<= ULTIMATE.start_main_~i~4 48), 182495#(<= ULTIMATE.start_main_~i~4 50), 182492#(<= ULTIMATE.start_main_~i~4 44), 182493#(<= ULTIMATE.start_main_~i~4 46), 182498#(<= ULTIMATE.start_main_~i~4 56), 182499#(<= ULTIMATE.start_main_~i~4 58), 182496#(<= ULTIMATE.start_main_~i~4 52), 182497#(<= ULTIMATE.start_main_~i~4 54), 182502#(<= ULTIMATE.start_main_~i~4 64), 182503#(<= ULTIMATE.start_main_~i~4 66), 182500#(<= ULTIMATE.start_main_~i~4 60), 182501#(<= ULTIMATE.start_main_~i~4 62), 182506#(<= ULTIMATE.start_main_~i~4 72), 182507#(<= ULTIMATE.start_main_~i~4 74), 182504#(<= ULTIMATE.start_main_~i~4 68), 182505#(<= ULTIMATE.start_main_~i~4 70), 182510#(<= ULTIMATE.start_main_~i~4 80), 182511#(<= ULTIMATE.start_main_~i~4 82), 182508#(<= ULTIMATE.start_main_~i~4 76), 182509#(<= ULTIMATE.start_main_~i~4 78), 182514#(<= ULTIMATE.start_main_~i~4 88), 182515#(<= ULTIMATE.start_main_~i~4 90), 182512#(<= ULTIMATE.start_main_~i~4 84), 182513#(<= ULTIMATE.start_main_~i~4 86), 182518#(<= ULTIMATE.start_main_~i~4 96), 182519#(<= ULTIMATE.start_main_~i~4 98), 182516#(<= ULTIMATE.start_main_~i~4 92), 182517#(<= ULTIMATE.start_main_~i~4 94), 182522#(<= ULTIMATE.start_main_~i~4 104), 182523#(<= ULTIMATE.start_main_~i~4 106), 182520#(<= ULTIMATE.start_main_~i~4 100), 182521#(<= ULTIMATE.start_main_~i~4 102), 182526#(<= ULTIMATE.start_main_~i~4 112), 182527#(<= ULTIMATE.start_main_~i~4 114), 182524#(<= ULTIMATE.start_main_~i~4 108), 182525#(<= ULTIMATE.start_main_~i~4 110), 182530#(<= ULTIMATE.start_main_~i~4 120), 182531#(<= ULTIMATE.start_main_~i~4 122), 182528#(<= ULTIMATE.start_main_~i~4 116), 182529#(<= ULTIMATE.start_main_~i~4 118), 182534#(<= ULTIMATE.start_main_~i~4 128), 182535#(<= ULTIMATE.start_main_~i~4 130), 182532#(<= ULTIMATE.start_main_~i~4 124), 182533#(<= ULTIMATE.start_main_~i~4 126), 182538#(<= ULTIMATE.start_main_~i~4 136), 182539#(<= ULTIMATE.start_main_~i~4 138), 182536#(<= ULTIMATE.start_main_~i~4 132), 182537#(<= ULTIMATE.start_main_~i~4 134), 182542#(<= ULTIMATE.start_main_~i~4 144), 182543#(<= ULTIMATE.start_main_~i~4 146), 182540#(<= ULTIMATE.start_main_~i~4 140), 182541#(<= ULTIMATE.start_main_~i~4 142), 182546#(<= ULTIMATE.start_main_~i~4 152), 182547#(<= ULTIMATE.start_main_~i~4 154), 182544#(<= ULTIMATE.start_main_~i~4 148), 182545#(<= ULTIMATE.start_main_~i~4 150), 182550#(<= ULTIMATE.start_main_~i~4 160), 182551#(<= ULTIMATE.start_main_~i~4 162), 182548#(<= ULTIMATE.start_main_~i~4 156), 182549#(<= ULTIMATE.start_main_~i~4 158), 182554#(<= ULTIMATE.start_main_~i~4 168), 182555#(<= ULTIMATE.start_main_~i~4 170), 182552#(<= ULTIMATE.start_main_~i~4 164), 182553#(<= ULTIMATE.start_main_~i~4 166), 182558#(<= ULTIMATE.start_main_~i~4 176), 182559#(<= ULTIMATE.start_main_~i~4 178), 182556#(<= ULTIMATE.start_main_~i~4 172), 182557#(<= ULTIMATE.start_main_~i~4 174), 182562#(<= ULTIMATE.start_main_~i~4 184), 182563#(<= ULTIMATE.start_main_~i~4 186), 182560#(<= ULTIMATE.start_main_~i~4 180), 182561#(<= ULTIMATE.start_main_~i~4 182), 182566#(<= ULTIMATE.start_main_~i~4 192), 182567#(<= ULTIMATE.start_main_~i~4 194), 182564#(<= ULTIMATE.start_main_~i~4 188), 182565#(<= ULTIMATE.start_main_~i~4 190), 182570#(<= ULTIMATE.start_main_~i~4 200), 182571#(<= ULTIMATE.start_main_~i~4 202), 182568#(<= ULTIMATE.start_main_~i~4 196), 182569#(<= ULTIMATE.start_main_~i~4 198), 182574#(<= ULTIMATE.start_main_~i~4 208), 182575#(<= ULTIMATE.start_main_~i~4 210), 182572#(<= ULTIMATE.start_main_~i~4 204), 182573#(<= ULTIMATE.start_main_~i~4 206), 182578#(<= ULTIMATE.start_main_~i~4 216), 182579#(<= ULTIMATE.start_main_~i~4 218), 182576#(<= ULTIMATE.start_main_~i~4 212), 182577#(<= ULTIMATE.start_main_~i~4 214), 182582#(<= ULTIMATE.start_main_~i~4 224), 182583#(<= ULTIMATE.start_main_~i~4 226), 182580#(<= ULTIMATE.start_main_~i~4 220), 182581#(<= ULTIMATE.start_main_~i~4 222), 182586#(<= ULTIMATE.start_main_~i~4 232), 182587#(<= ULTIMATE.start_main_~i~4 234), 182584#(<= ULTIMATE.start_main_~i~4 228), 182585#(<= ULTIMATE.start_main_~i~4 230), 182590#(<= ULTIMATE.start_main_~i~4 240), 182591#(<= ULTIMATE.start_main_~i~4 242), 182588#(<= ULTIMATE.start_main_~i~4 236), 182589#(<= ULTIMATE.start_main_~i~4 238), 182594#(<= ULTIMATE.start_main_~i~4 248), 182595#(<= ULTIMATE.start_main_~i~4 250), 182592#(<= ULTIMATE.start_main_~i~4 244), 182593#(<= ULTIMATE.start_main_~i~4 246), 182598#(<= ULTIMATE.start_main_~i~4 256), 182599#(<= ULTIMATE.start_main_~i~4 258), 182596#(<= ULTIMATE.start_main_~i~4 252), 182597#(<= ULTIMATE.start_main_~i~4 254), 182602#(<= ULTIMATE.start_main_~i~4 264), 182603#(<= ULTIMATE.start_main_~i~4 266), 182600#(<= ULTIMATE.start_main_~i~4 260), 182601#(<= ULTIMATE.start_main_~i~4 262), 182606#(<= ULTIMATE.start_main_~i~4 272), 182607#(<= ULTIMATE.start_main_~i~4 274), 182604#(<= ULTIMATE.start_main_~i~4 268), 182605#(<= ULTIMATE.start_main_~i~4 270), 182610#(<= ULTIMATE.start_main_~i~4 280), 182611#(<= ULTIMATE.start_main_~i~4 282), 182608#(<= ULTIMATE.start_main_~i~4 276), 182609#(<= ULTIMATE.start_main_~i~4 278), 182614#(<= ULTIMATE.start_main_~i~4 288), 182615#(<= ULTIMATE.start_main_~i~4 290), 182612#(<= ULTIMATE.start_main_~i~4 284), 182613#(<= ULTIMATE.start_main_~i~4 286), 182618#(<= ULTIMATE.start_main_~i~4 296), 182619#(<= ULTIMATE.start_main_~i~4 298), 182616#(<= ULTIMATE.start_main_~i~4 292), 182617#(<= ULTIMATE.start_main_~i~4 294), 182622#(<= ULTIMATE.start_main_~i~4 304), 182623#(<= ULTIMATE.start_main_~i~4 306), 182620#(<= ULTIMATE.start_main_~i~4 300), 182621#(<= ULTIMATE.start_main_~i~4 302), 182626#(<= ULTIMATE.start_main_~i~4 312), 182627#(<= ULTIMATE.start_main_~i~4 314), 182624#(<= ULTIMATE.start_main_~i~4 308), 182625#(<= ULTIMATE.start_main_~i~4 310), 182630#(<= ULTIMATE.start_main_~i~4 320), 182631#(<= ULTIMATE.start_main_~i~4 322), 182628#(<= ULTIMATE.start_main_~i~4 316), 182629#(<= ULTIMATE.start_main_~i~4 318), 182634#(<= ULTIMATE.start_main_~i~4 328), 182635#(<= ULTIMATE.start_main_~i~4 330), 182632#(<= ULTIMATE.start_main_~i~4 324), 182633#(<= ULTIMATE.start_main_~i~4 326), 182638#(<= ULTIMATE.start_main_~i~4 336), 182639#(<= ULTIMATE.start_main_~i~4 338), 182636#(<= ULTIMATE.start_main_~i~4 332), 182637#(<= ULTIMATE.start_main_~i~4 334), 182642#(<= ULTIMATE.start_main_~i~4 344), 182643#(<= ULTIMATE.start_main_~i~4 346), 182640#(<= ULTIMATE.start_main_~i~4 340), 182641#(<= ULTIMATE.start_main_~i~4 342), 182646#(<= ULTIMATE.start_main_~i~4 352), 182647#(<= ULTIMATE.start_main_~i~4 354), 182644#(<= ULTIMATE.start_main_~i~4 348), 182645#(<= ULTIMATE.start_main_~i~4 350), 182650#(<= ULTIMATE.start_main_~i~4 360), 182651#(<= ULTIMATE.start_main_~i~4 362), 182648#(<= ULTIMATE.start_main_~i~4 356), 182649#(<= ULTIMATE.start_main_~i~4 358), 182654#(<= ULTIMATE.start_main_~i~4 368), 182655#(<= ULTIMATE.start_main_~i~4 370), 182652#(<= ULTIMATE.start_main_~i~4 364), 182653#(<= ULTIMATE.start_main_~i~4 366), 182658#(<= ULTIMATE.start_main_~i~4 376), 182659#(<= ULTIMATE.start_main_~i~4 378), 182656#(<= ULTIMATE.start_main_~i~4 372), 182657#(<= ULTIMATE.start_main_~i~4 374), 182662#(<= ULTIMATE.start_main_~i~4 384), 182663#(<= ULTIMATE.start_main_~i~4 386), 182660#(<= ULTIMATE.start_main_~i~4 380), 182661#(<= ULTIMATE.start_main_~i~4 382), 182666#(<= ULTIMATE.start_main_~i~4 392), 182667#(<= ULTIMATE.start_main_~i~4 394), 182664#(<= ULTIMATE.start_main_~i~4 388), 182665#(<= ULTIMATE.start_main_~i~4 390), 182668#(<= ULTIMATE.start_main_~i~4 396)] [2018-07-23 13:47:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 39402 backedges. 0 proven. 39402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:20,317 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:47:20,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:47:20,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:47:20,322 INFO L87 Difference]: Start difference. First operand 401 states and 401 transitions. Second operand 201 states. [2018-07-23 13:47:21,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:21,512 INFO L93 Difference]: Finished difference Result 405 states and 405 transitions. [2018-07-23 13:47:21,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:47:21,513 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 400 [2018-07-23 13:47:21,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:21,513 INFO L225 Difference]: With dead ends: 405 [2018-07-23 13:47:21,513 INFO L226 Difference]: Without dead ends: 403 [2018-07-23 13:47:21,515 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:47:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-07-23 13:47:21,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-07-23 13:47:21,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-07-23 13:47:21,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 403 transitions. [2018-07-23 13:47:21,519 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 403 transitions. Word has length 400 [2018-07-23 13:47:21,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:21,519 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 403 transitions. [2018-07-23 13:47:21,519 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:47:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 403 transitions. [2018-07-23 13:47:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-23 13:47:21,520 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:21,521 INFO L357 BasicCegarLoop]: trace histogram [200, 199, 1, 1, 1] [2018-07-23 13:47:21,521 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:21,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1496298787, now seen corresponding path program 199 times [2018-07-23 13:47:21,521 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 39800 backedges. 0 proven. 39800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:22,605 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:22,605 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:47:22,605 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:22,606 INFO L185 omatonBuilderFactory]: Interpolants [184322#(<= ULTIMATE.start_main_~i~4 70), 184323#(<= ULTIMATE.start_main_~i~4 72), 184320#(<= ULTIMATE.start_main_~i~4 66), 184321#(<= ULTIMATE.start_main_~i~4 68), 184326#(<= ULTIMATE.start_main_~i~4 78), 184327#(<= ULTIMATE.start_main_~i~4 80), 184324#(<= ULTIMATE.start_main_~i~4 74), 184325#(<= ULTIMATE.start_main_~i~4 76), 184330#(<= ULTIMATE.start_main_~i~4 86), 184331#(<= ULTIMATE.start_main_~i~4 88), 184328#(<= ULTIMATE.start_main_~i~4 82), 184329#(<= ULTIMATE.start_main_~i~4 84), 184334#(<= ULTIMATE.start_main_~i~4 94), 184335#(<= ULTIMATE.start_main_~i~4 96), 184332#(<= ULTIMATE.start_main_~i~4 90), 184333#(<= ULTIMATE.start_main_~i~4 92), 184338#(<= ULTIMATE.start_main_~i~4 102), 184339#(<= ULTIMATE.start_main_~i~4 104), 184336#(<= ULTIMATE.start_main_~i~4 98), 184337#(<= ULTIMATE.start_main_~i~4 100), 184342#(<= ULTIMATE.start_main_~i~4 110), 184343#(<= ULTIMATE.start_main_~i~4 112), 184340#(<= ULTIMATE.start_main_~i~4 106), 184341#(<= ULTIMATE.start_main_~i~4 108), 184346#(<= ULTIMATE.start_main_~i~4 118), 184347#(<= ULTIMATE.start_main_~i~4 120), 184344#(<= ULTIMATE.start_main_~i~4 114), 184345#(<= ULTIMATE.start_main_~i~4 116), 184350#(<= ULTIMATE.start_main_~i~4 126), 184351#(<= ULTIMATE.start_main_~i~4 128), 184348#(<= ULTIMATE.start_main_~i~4 122), 184349#(<= ULTIMATE.start_main_~i~4 124), 184354#(<= ULTIMATE.start_main_~i~4 134), 184355#(<= ULTIMATE.start_main_~i~4 136), 184352#(<= ULTIMATE.start_main_~i~4 130), 184353#(<= ULTIMATE.start_main_~i~4 132), 184358#(<= ULTIMATE.start_main_~i~4 142), 184359#(<= ULTIMATE.start_main_~i~4 144), 184356#(<= ULTIMATE.start_main_~i~4 138), 184357#(<= ULTIMATE.start_main_~i~4 140), 184362#(<= ULTIMATE.start_main_~i~4 150), 184363#(<= ULTIMATE.start_main_~i~4 152), 184360#(<= ULTIMATE.start_main_~i~4 146), 184361#(<= ULTIMATE.start_main_~i~4 148), 184366#(<= ULTIMATE.start_main_~i~4 158), 184367#(<= ULTIMATE.start_main_~i~4 160), 184364#(<= ULTIMATE.start_main_~i~4 154), 184365#(<= ULTIMATE.start_main_~i~4 156), 184370#(<= ULTIMATE.start_main_~i~4 166), 184371#(<= ULTIMATE.start_main_~i~4 168), 184368#(<= ULTIMATE.start_main_~i~4 162), 184369#(<= ULTIMATE.start_main_~i~4 164), 184374#(<= ULTIMATE.start_main_~i~4 174), 184375#(<= ULTIMATE.start_main_~i~4 176), 184372#(<= ULTIMATE.start_main_~i~4 170), 184373#(<= ULTIMATE.start_main_~i~4 172), 184378#(<= ULTIMATE.start_main_~i~4 182), 184379#(<= ULTIMATE.start_main_~i~4 184), 184376#(<= ULTIMATE.start_main_~i~4 178), 184377#(<= ULTIMATE.start_main_~i~4 180), 184382#(<= ULTIMATE.start_main_~i~4 190), 184383#(<= ULTIMATE.start_main_~i~4 192), 184380#(<= ULTIMATE.start_main_~i~4 186), 184381#(<= ULTIMATE.start_main_~i~4 188), 184386#(<= ULTIMATE.start_main_~i~4 198), 184387#(<= ULTIMATE.start_main_~i~4 200), 184384#(<= ULTIMATE.start_main_~i~4 194), 184385#(<= ULTIMATE.start_main_~i~4 196), 184390#(<= ULTIMATE.start_main_~i~4 206), 184391#(<= ULTIMATE.start_main_~i~4 208), 184388#(<= ULTIMATE.start_main_~i~4 202), 184389#(<= ULTIMATE.start_main_~i~4 204), 184394#(<= ULTIMATE.start_main_~i~4 214), 184395#(<= ULTIMATE.start_main_~i~4 216), 184392#(<= ULTIMATE.start_main_~i~4 210), 184393#(<= ULTIMATE.start_main_~i~4 212), 184398#(<= ULTIMATE.start_main_~i~4 222), 184399#(<= ULTIMATE.start_main_~i~4 224), 184396#(<= ULTIMATE.start_main_~i~4 218), 184397#(<= ULTIMATE.start_main_~i~4 220), 184402#(<= ULTIMATE.start_main_~i~4 230), 184403#(<= ULTIMATE.start_main_~i~4 232), 184400#(<= ULTIMATE.start_main_~i~4 226), 184401#(<= ULTIMATE.start_main_~i~4 228), 184406#(<= ULTIMATE.start_main_~i~4 238), 184407#(<= ULTIMATE.start_main_~i~4 240), 184404#(<= ULTIMATE.start_main_~i~4 234), 184405#(<= ULTIMATE.start_main_~i~4 236), 184410#(<= ULTIMATE.start_main_~i~4 246), 184411#(<= ULTIMATE.start_main_~i~4 248), 184408#(<= ULTIMATE.start_main_~i~4 242), 184409#(<= ULTIMATE.start_main_~i~4 244), 184414#(<= ULTIMATE.start_main_~i~4 254), 184415#(<= ULTIMATE.start_main_~i~4 256), 184412#(<= ULTIMATE.start_main_~i~4 250), 184413#(<= ULTIMATE.start_main_~i~4 252), 184418#(<= ULTIMATE.start_main_~i~4 262), 184419#(<= ULTIMATE.start_main_~i~4 264), 184416#(<= ULTIMATE.start_main_~i~4 258), 184417#(<= ULTIMATE.start_main_~i~4 260), 184422#(<= ULTIMATE.start_main_~i~4 270), 184423#(<= ULTIMATE.start_main_~i~4 272), 184420#(<= ULTIMATE.start_main_~i~4 266), 184421#(<= ULTIMATE.start_main_~i~4 268), 184426#(<= ULTIMATE.start_main_~i~4 278), 184427#(<= ULTIMATE.start_main_~i~4 280), 184424#(<= ULTIMATE.start_main_~i~4 274), 184425#(<= ULTIMATE.start_main_~i~4 276), 184430#(<= ULTIMATE.start_main_~i~4 286), 184431#(<= ULTIMATE.start_main_~i~4 288), 184428#(<= ULTIMATE.start_main_~i~4 282), 184429#(<= ULTIMATE.start_main_~i~4 284), 184434#(<= ULTIMATE.start_main_~i~4 294), 184435#(<= ULTIMATE.start_main_~i~4 296), 184432#(<= ULTIMATE.start_main_~i~4 290), 184433#(<= ULTIMATE.start_main_~i~4 292), 184438#(<= ULTIMATE.start_main_~i~4 302), 184439#(<= ULTIMATE.start_main_~i~4 304), 184436#(<= ULTIMATE.start_main_~i~4 298), 184437#(<= ULTIMATE.start_main_~i~4 300), 184442#(<= ULTIMATE.start_main_~i~4 310), 184443#(<= ULTIMATE.start_main_~i~4 312), 184440#(<= ULTIMATE.start_main_~i~4 306), 184441#(<= ULTIMATE.start_main_~i~4 308), 184446#(<= ULTIMATE.start_main_~i~4 318), 184447#(<= ULTIMATE.start_main_~i~4 320), 184444#(<= ULTIMATE.start_main_~i~4 314), 184445#(<= ULTIMATE.start_main_~i~4 316), 184450#(<= ULTIMATE.start_main_~i~4 326), 184451#(<= ULTIMATE.start_main_~i~4 328), 184448#(<= ULTIMATE.start_main_~i~4 322), 184449#(<= ULTIMATE.start_main_~i~4 324), 184454#(<= ULTIMATE.start_main_~i~4 334), 184455#(<= ULTIMATE.start_main_~i~4 336), 184452#(<= ULTIMATE.start_main_~i~4 330), 184453#(<= ULTIMATE.start_main_~i~4 332), 184458#(<= ULTIMATE.start_main_~i~4 342), 184459#(<= ULTIMATE.start_main_~i~4 344), 184456#(<= ULTIMATE.start_main_~i~4 338), 184457#(<= ULTIMATE.start_main_~i~4 340), 184462#(<= ULTIMATE.start_main_~i~4 350), 184463#(<= ULTIMATE.start_main_~i~4 352), 184460#(<= ULTIMATE.start_main_~i~4 346), 184461#(<= ULTIMATE.start_main_~i~4 348), 184466#(<= ULTIMATE.start_main_~i~4 358), 184467#(<= ULTIMATE.start_main_~i~4 360), 184464#(<= ULTIMATE.start_main_~i~4 354), 184465#(<= ULTIMATE.start_main_~i~4 356), 184470#(<= ULTIMATE.start_main_~i~4 366), 184471#(<= ULTIMATE.start_main_~i~4 368), 184468#(<= ULTIMATE.start_main_~i~4 362), 184469#(<= ULTIMATE.start_main_~i~4 364), 184474#(<= ULTIMATE.start_main_~i~4 374), 184475#(<= ULTIMATE.start_main_~i~4 376), 184472#(<= ULTIMATE.start_main_~i~4 370), 184473#(<= ULTIMATE.start_main_~i~4 372), 184478#(<= ULTIMATE.start_main_~i~4 382), 184479#(<= ULTIMATE.start_main_~i~4 384), 184476#(<= ULTIMATE.start_main_~i~4 378), 184477#(<= ULTIMATE.start_main_~i~4 380), 184482#(<= ULTIMATE.start_main_~i~4 390), 184483#(<= ULTIMATE.start_main_~i~4 392), 184480#(<= ULTIMATE.start_main_~i~4 386), 184481#(<= ULTIMATE.start_main_~i~4 388), 184486#(<= ULTIMATE.start_main_~i~4 398), 184484#(<= ULTIMATE.start_main_~i~4 394), 184485#(<= ULTIMATE.start_main_~i~4 396), 184286#false, 184287#(<= ULTIMATE.start_main_~i~4 0), 184285#true, 184290#(<= ULTIMATE.start_main_~i~4 6), 184291#(<= ULTIMATE.start_main_~i~4 8), 184288#(<= ULTIMATE.start_main_~i~4 2), 184289#(<= ULTIMATE.start_main_~i~4 4), 184294#(<= ULTIMATE.start_main_~i~4 14), 184295#(<= ULTIMATE.start_main_~i~4 16), 184292#(<= ULTIMATE.start_main_~i~4 10), 184293#(<= ULTIMATE.start_main_~i~4 12), 184298#(<= ULTIMATE.start_main_~i~4 22), 184299#(<= ULTIMATE.start_main_~i~4 24), 184296#(<= ULTIMATE.start_main_~i~4 18), 184297#(<= ULTIMATE.start_main_~i~4 20), 184302#(<= ULTIMATE.start_main_~i~4 30), 184303#(<= ULTIMATE.start_main_~i~4 32), 184300#(<= ULTIMATE.start_main_~i~4 26), 184301#(<= ULTIMATE.start_main_~i~4 28), 184306#(<= ULTIMATE.start_main_~i~4 38), 184307#(<= ULTIMATE.start_main_~i~4 40), 184304#(<= ULTIMATE.start_main_~i~4 34), 184305#(<= ULTIMATE.start_main_~i~4 36), 184310#(<= ULTIMATE.start_main_~i~4 46), 184311#(<= ULTIMATE.start_main_~i~4 48), 184308#(<= ULTIMATE.start_main_~i~4 42), 184309#(<= ULTIMATE.start_main_~i~4 44), 184314#(<= ULTIMATE.start_main_~i~4 54), 184315#(<= ULTIMATE.start_main_~i~4 56), 184312#(<= ULTIMATE.start_main_~i~4 50), 184313#(<= ULTIMATE.start_main_~i~4 52), 184318#(<= ULTIMATE.start_main_~i~4 62), 184319#(<= ULTIMATE.start_main_~i~4 64), 184316#(<= ULTIMATE.start_main_~i~4 58), 184317#(<= ULTIMATE.start_main_~i~4 60)] [2018-07-23 13:47:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 39800 backedges. 0 proven. 39800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:22,609 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:47:22,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:47:22,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:47:22,615 INFO L87 Difference]: Start difference. First operand 403 states and 403 transitions. Second operand 202 states. [2018-07-23 13:47:24,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:24,340 INFO L93 Difference]: Finished difference Result 407 states and 407 transitions. [2018-07-23 13:47:24,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:47:24,341 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 402 [2018-07-23 13:47:24,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:24,342 INFO L225 Difference]: With dead ends: 407 [2018-07-23 13:47:24,342 INFO L226 Difference]: Without dead ends: 405 [2018-07-23 13:47:24,344 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:47:24,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-07-23 13:47:24,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2018-07-23 13:47:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-07-23 13:47:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 405 transitions. [2018-07-23 13:47:24,349 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 405 transitions. Word has length 402 [2018-07-23 13:47:24,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:24,349 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 405 transitions. [2018-07-23 13:47:24,349 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:47:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 405 transitions. [2018-07-23 13:47:24,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-07-23 13:47:24,350 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:24,350 INFO L357 BasicCegarLoop]: trace histogram [201, 200, 1, 1, 1] [2018-07-23 13:47:24,350 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:24,351 INFO L82 PathProgramCache]: Analyzing trace with hash 870961943, now seen corresponding path program 200 times [2018-07-23 13:47:24,351 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40200 backedges. 0 proven. 40200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:25,555 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:25,556 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:47:25,556 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:25,556 INFO L185 omatonBuilderFactory]: Interpolants [186111#true, 186114#(<= ULTIMATE.start_main_~i~4 2), 186115#(<= ULTIMATE.start_main_~i~4 4), 186112#false, 186113#(<= ULTIMATE.start_main_~i~4 0), 186118#(<= ULTIMATE.start_main_~i~4 10), 186119#(<= ULTIMATE.start_main_~i~4 12), 186116#(<= ULTIMATE.start_main_~i~4 6), 186117#(<= ULTIMATE.start_main_~i~4 8), 186122#(<= ULTIMATE.start_main_~i~4 18), 186123#(<= ULTIMATE.start_main_~i~4 20), 186120#(<= ULTIMATE.start_main_~i~4 14), 186121#(<= ULTIMATE.start_main_~i~4 16), 186126#(<= ULTIMATE.start_main_~i~4 26), 186127#(<= ULTIMATE.start_main_~i~4 28), 186124#(<= ULTIMATE.start_main_~i~4 22), 186125#(<= ULTIMATE.start_main_~i~4 24), 186130#(<= ULTIMATE.start_main_~i~4 34), 186131#(<= ULTIMATE.start_main_~i~4 36), 186128#(<= ULTIMATE.start_main_~i~4 30), 186129#(<= ULTIMATE.start_main_~i~4 32), 186134#(<= ULTIMATE.start_main_~i~4 42), 186135#(<= ULTIMATE.start_main_~i~4 44), 186132#(<= ULTIMATE.start_main_~i~4 38), 186133#(<= ULTIMATE.start_main_~i~4 40), 186138#(<= ULTIMATE.start_main_~i~4 50), 186139#(<= ULTIMATE.start_main_~i~4 52), 186136#(<= ULTIMATE.start_main_~i~4 46), 186137#(<= ULTIMATE.start_main_~i~4 48), 186142#(<= ULTIMATE.start_main_~i~4 58), 186143#(<= ULTIMATE.start_main_~i~4 60), 186140#(<= ULTIMATE.start_main_~i~4 54), 186141#(<= ULTIMATE.start_main_~i~4 56), 186146#(<= ULTIMATE.start_main_~i~4 66), 186147#(<= ULTIMATE.start_main_~i~4 68), 186144#(<= ULTIMATE.start_main_~i~4 62), 186145#(<= ULTIMATE.start_main_~i~4 64), 186150#(<= ULTIMATE.start_main_~i~4 74), 186151#(<= ULTIMATE.start_main_~i~4 76), 186148#(<= ULTIMATE.start_main_~i~4 70), 186149#(<= ULTIMATE.start_main_~i~4 72), 186154#(<= ULTIMATE.start_main_~i~4 82), 186155#(<= ULTIMATE.start_main_~i~4 84), 186152#(<= ULTIMATE.start_main_~i~4 78), 186153#(<= ULTIMATE.start_main_~i~4 80), 186158#(<= ULTIMATE.start_main_~i~4 90), 186159#(<= ULTIMATE.start_main_~i~4 92), 186156#(<= ULTIMATE.start_main_~i~4 86), 186157#(<= ULTIMATE.start_main_~i~4 88), 186162#(<= ULTIMATE.start_main_~i~4 98), 186163#(<= ULTIMATE.start_main_~i~4 100), 186160#(<= ULTIMATE.start_main_~i~4 94), 186161#(<= ULTIMATE.start_main_~i~4 96), 186166#(<= ULTIMATE.start_main_~i~4 106), 186167#(<= ULTIMATE.start_main_~i~4 108), 186164#(<= ULTIMATE.start_main_~i~4 102), 186165#(<= ULTIMATE.start_main_~i~4 104), 186170#(<= ULTIMATE.start_main_~i~4 114), 186171#(<= ULTIMATE.start_main_~i~4 116), 186168#(<= ULTIMATE.start_main_~i~4 110), 186169#(<= ULTIMATE.start_main_~i~4 112), 186174#(<= ULTIMATE.start_main_~i~4 122), 186175#(<= ULTIMATE.start_main_~i~4 124), 186172#(<= ULTIMATE.start_main_~i~4 118), 186173#(<= ULTIMATE.start_main_~i~4 120), 186178#(<= ULTIMATE.start_main_~i~4 130), 186179#(<= ULTIMATE.start_main_~i~4 132), 186176#(<= ULTIMATE.start_main_~i~4 126), 186177#(<= ULTIMATE.start_main_~i~4 128), 186182#(<= ULTIMATE.start_main_~i~4 138), 186183#(<= ULTIMATE.start_main_~i~4 140), 186180#(<= ULTIMATE.start_main_~i~4 134), 186181#(<= ULTIMATE.start_main_~i~4 136), 186186#(<= ULTIMATE.start_main_~i~4 146), 186187#(<= ULTIMATE.start_main_~i~4 148), 186184#(<= ULTIMATE.start_main_~i~4 142), 186185#(<= ULTIMATE.start_main_~i~4 144), 186190#(<= ULTIMATE.start_main_~i~4 154), 186191#(<= ULTIMATE.start_main_~i~4 156), 186188#(<= ULTIMATE.start_main_~i~4 150), 186189#(<= ULTIMATE.start_main_~i~4 152), 186194#(<= ULTIMATE.start_main_~i~4 162), 186195#(<= ULTIMATE.start_main_~i~4 164), 186192#(<= ULTIMATE.start_main_~i~4 158), 186193#(<= ULTIMATE.start_main_~i~4 160), 186198#(<= ULTIMATE.start_main_~i~4 170), 186199#(<= ULTIMATE.start_main_~i~4 172), 186196#(<= ULTIMATE.start_main_~i~4 166), 186197#(<= ULTIMATE.start_main_~i~4 168), 186202#(<= ULTIMATE.start_main_~i~4 178), 186203#(<= ULTIMATE.start_main_~i~4 180), 186200#(<= ULTIMATE.start_main_~i~4 174), 186201#(<= ULTIMATE.start_main_~i~4 176), 186206#(<= ULTIMATE.start_main_~i~4 186), 186207#(<= ULTIMATE.start_main_~i~4 188), 186204#(<= ULTIMATE.start_main_~i~4 182), 186205#(<= ULTIMATE.start_main_~i~4 184), 186210#(<= ULTIMATE.start_main_~i~4 194), 186211#(<= ULTIMATE.start_main_~i~4 196), 186208#(<= ULTIMATE.start_main_~i~4 190), 186209#(<= ULTIMATE.start_main_~i~4 192), 186214#(<= ULTIMATE.start_main_~i~4 202), 186215#(<= ULTIMATE.start_main_~i~4 204), 186212#(<= ULTIMATE.start_main_~i~4 198), 186213#(<= ULTIMATE.start_main_~i~4 200), 186218#(<= ULTIMATE.start_main_~i~4 210), 186219#(<= ULTIMATE.start_main_~i~4 212), 186216#(<= ULTIMATE.start_main_~i~4 206), 186217#(<= ULTIMATE.start_main_~i~4 208), 186222#(<= ULTIMATE.start_main_~i~4 218), 186223#(<= ULTIMATE.start_main_~i~4 220), 186220#(<= ULTIMATE.start_main_~i~4 214), 186221#(<= ULTIMATE.start_main_~i~4 216), 186226#(<= ULTIMATE.start_main_~i~4 226), 186227#(<= ULTIMATE.start_main_~i~4 228), 186224#(<= ULTIMATE.start_main_~i~4 222), 186225#(<= ULTIMATE.start_main_~i~4 224), 186230#(<= ULTIMATE.start_main_~i~4 234), 186231#(<= ULTIMATE.start_main_~i~4 236), 186228#(<= ULTIMATE.start_main_~i~4 230), 186229#(<= ULTIMATE.start_main_~i~4 232), 186234#(<= ULTIMATE.start_main_~i~4 242), 186235#(<= ULTIMATE.start_main_~i~4 244), 186232#(<= ULTIMATE.start_main_~i~4 238), 186233#(<= ULTIMATE.start_main_~i~4 240), 186238#(<= ULTIMATE.start_main_~i~4 250), 186239#(<= ULTIMATE.start_main_~i~4 252), 186236#(<= ULTIMATE.start_main_~i~4 246), 186237#(<= ULTIMATE.start_main_~i~4 248), 186242#(<= ULTIMATE.start_main_~i~4 258), 186243#(<= ULTIMATE.start_main_~i~4 260), 186240#(<= ULTIMATE.start_main_~i~4 254), 186241#(<= ULTIMATE.start_main_~i~4 256), 186246#(<= ULTIMATE.start_main_~i~4 266), 186247#(<= ULTIMATE.start_main_~i~4 268), 186244#(<= ULTIMATE.start_main_~i~4 262), 186245#(<= ULTIMATE.start_main_~i~4 264), 186250#(<= ULTIMATE.start_main_~i~4 274), 186251#(<= ULTIMATE.start_main_~i~4 276), 186248#(<= ULTIMATE.start_main_~i~4 270), 186249#(<= ULTIMATE.start_main_~i~4 272), 186254#(<= ULTIMATE.start_main_~i~4 282), 186255#(<= ULTIMATE.start_main_~i~4 284), 186252#(<= ULTIMATE.start_main_~i~4 278), 186253#(<= ULTIMATE.start_main_~i~4 280), 186258#(<= ULTIMATE.start_main_~i~4 290), 186259#(<= ULTIMATE.start_main_~i~4 292), 186256#(<= ULTIMATE.start_main_~i~4 286), 186257#(<= ULTIMATE.start_main_~i~4 288), 186262#(<= ULTIMATE.start_main_~i~4 298), 186263#(<= ULTIMATE.start_main_~i~4 300), 186260#(<= ULTIMATE.start_main_~i~4 294), 186261#(<= ULTIMATE.start_main_~i~4 296), 186266#(<= ULTIMATE.start_main_~i~4 306), 186267#(<= ULTIMATE.start_main_~i~4 308), 186264#(<= ULTIMATE.start_main_~i~4 302), 186265#(<= ULTIMATE.start_main_~i~4 304), 186270#(<= ULTIMATE.start_main_~i~4 314), 186271#(<= ULTIMATE.start_main_~i~4 316), 186268#(<= ULTIMATE.start_main_~i~4 310), 186269#(<= ULTIMATE.start_main_~i~4 312), 186274#(<= ULTIMATE.start_main_~i~4 322), 186275#(<= ULTIMATE.start_main_~i~4 324), 186272#(<= ULTIMATE.start_main_~i~4 318), 186273#(<= ULTIMATE.start_main_~i~4 320), 186278#(<= ULTIMATE.start_main_~i~4 330), 186279#(<= ULTIMATE.start_main_~i~4 332), 186276#(<= ULTIMATE.start_main_~i~4 326), 186277#(<= ULTIMATE.start_main_~i~4 328), 186282#(<= ULTIMATE.start_main_~i~4 338), 186283#(<= ULTIMATE.start_main_~i~4 340), 186280#(<= ULTIMATE.start_main_~i~4 334), 186281#(<= ULTIMATE.start_main_~i~4 336), 186286#(<= ULTIMATE.start_main_~i~4 346), 186287#(<= ULTIMATE.start_main_~i~4 348), 186284#(<= ULTIMATE.start_main_~i~4 342), 186285#(<= ULTIMATE.start_main_~i~4 344), 186290#(<= ULTIMATE.start_main_~i~4 354), 186291#(<= ULTIMATE.start_main_~i~4 356), 186288#(<= ULTIMATE.start_main_~i~4 350), 186289#(<= ULTIMATE.start_main_~i~4 352), 186294#(<= ULTIMATE.start_main_~i~4 362), 186295#(<= ULTIMATE.start_main_~i~4 364), 186292#(<= ULTIMATE.start_main_~i~4 358), 186293#(<= ULTIMATE.start_main_~i~4 360), 186298#(<= ULTIMATE.start_main_~i~4 370), 186299#(<= ULTIMATE.start_main_~i~4 372), 186296#(<= ULTIMATE.start_main_~i~4 366), 186297#(<= ULTIMATE.start_main_~i~4 368), 186302#(<= ULTIMATE.start_main_~i~4 378), 186303#(<= ULTIMATE.start_main_~i~4 380), 186300#(<= ULTIMATE.start_main_~i~4 374), 186301#(<= ULTIMATE.start_main_~i~4 376), 186306#(<= ULTIMATE.start_main_~i~4 386), 186307#(<= ULTIMATE.start_main_~i~4 388), 186304#(<= ULTIMATE.start_main_~i~4 382), 186305#(<= ULTIMATE.start_main_~i~4 384), 186310#(<= ULTIMATE.start_main_~i~4 394), 186311#(<= ULTIMATE.start_main_~i~4 396), 186308#(<= ULTIMATE.start_main_~i~4 390), 186309#(<= ULTIMATE.start_main_~i~4 392), 186312#(<= ULTIMATE.start_main_~i~4 398), 186313#(<= ULTIMATE.start_main_~i~4 400)] [2018-07-23 13:47:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 40200 backedges. 0 proven. 40200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:25,560 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:47:25,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:47:25,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:47:25,568 INFO L87 Difference]: Start difference. First operand 405 states and 405 transitions. Second operand 203 states. [2018-07-23 13:47:27,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:27,664 INFO L93 Difference]: Finished difference Result 409 states and 409 transitions. [2018-07-23 13:47:27,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:47:27,665 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 404 [2018-07-23 13:47:27,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:27,665 INFO L225 Difference]: With dead ends: 409 [2018-07-23 13:47:27,665 INFO L226 Difference]: Without dead ends: 407 [2018-07-23 13:47:27,667 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:47:27,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-07-23 13:47:27,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-07-23 13:47:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-07-23 13:47:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 407 transitions. [2018-07-23 13:47:27,671 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 407 transitions. Word has length 404 [2018-07-23 13:47:27,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:27,671 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 407 transitions. [2018-07-23 13:47:27,671 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:47:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 407 transitions. [2018-07-23 13:47:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-07-23 13:47:27,673 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:27,673 INFO L357 BasicCegarLoop]: trace histogram [202, 201, 1, 1, 1] [2018-07-23 13:47:27,674 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:27,674 INFO L82 PathProgramCache]: Analyzing trace with hash -524143407, now seen corresponding path program 201 times [2018-07-23 13:47:27,674 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 40602 backedges. 0 proven. 40602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:28,852 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:28,852 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:47:28,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:28,853 INFO L185 omatonBuilderFactory]: Interpolants [187946#true, 187947#false, 187950#(<= ULTIMATE.start_main_~i~4 4), 187951#(<= ULTIMATE.start_main_~i~4 6), 187948#(<= ULTIMATE.start_main_~i~4 0), 187949#(<= ULTIMATE.start_main_~i~4 2), 187954#(<= ULTIMATE.start_main_~i~4 12), 187955#(<= ULTIMATE.start_main_~i~4 14), 187952#(<= ULTIMATE.start_main_~i~4 8), 187953#(<= ULTIMATE.start_main_~i~4 10), 187958#(<= ULTIMATE.start_main_~i~4 20), 187959#(<= ULTIMATE.start_main_~i~4 22), 187956#(<= ULTIMATE.start_main_~i~4 16), 187957#(<= ULTIMATE.start_main_~i~4 18), 187962#(<= ULTIMATE.start_main_~i~4 28), 187963#(<= ULTIMATE.start_main_~i~4 30), 187960#(<= ULTIMATE.start_main_~i~4 24), 187961#(<= ULTIMATE.start_main_~i~4 26), 187966#(<= ULTIMATE.start_main_~i~4 36), 187967#(<= ULTIMATE.start_main_~i~4 38), 187964#(<= ULTIMATE.start_main_~i~4 32), 187965#(<= ULTIMATE.start_main_~i~4 34), 187970#(<= ULTIMATE.start_main_~i~4 44), 187971#(<= ULTIMATE.start_main_~i~4 46), 187968#(<= ULTIMATE.start_main_~i~4 40), 187969#(<= ULTIMATE.start_main_~i~4 42), 187974#(<= ULTIMATE.start_main_~i~4 52), 187975#(<= ULTIMATE.start_main_~i~4 54), 187972#(<= ULTIMATE.start_main_~i~4 48), 187973#(<= ULTIMATE.start_main_~i~4 50), 187978#(<= ULTIMATE.start_main_~i~4 60), 187979#(<= ULTIMATE.start_main_~i~4 62), 187976#(<= ULTIMATE.start_main_~i~4 56), 187977#(<= ULTIMATE.start_main_~i~4 58), 187982#(<= ULTIMATE.start_main_~i~4 68), 187983#(<= ULTIMATE.start_main_~i~4 70), 187980#(<= ULTIMATE.start_main_~i~4 64), 187981#(<= ULTIMATE.start_main_~i~4 66), 187986#(<= ULTIMATE.start_main_~i~4 76), 187987#(<= ULTIMATE.start_main_~i~4 78), 187984#(<= ULTIMATE.start_main_~i~4 72), 187985#(<= ULTIMATE.start_main_~i~4 74), 187990#(<= ULTIMATE.start_main_~i~4 84), 187991#(<= ULTIMATE.start_main_~i~4 86), 187988#(<= ULTIMATE.start_main_~i~4 80), 187989#(<= ULTIMATE.start_main_~i~4 82), 187994#(<= ULTIMATE.start_main_~i~4 92), 187995#(<= ULTIMATE.start_main_~i~4 94), 187992#(<= ULTIMATE.start_main_~i~4 88), 187993#(<= ULTIMATE.start_main_~i~4 90), 187998#(<= ULTIMATE.start_main_~i~4 100), 187999#(<= ULTIMATE.start_main_~i~4 102), 187996#(<= ULTIMATE.start_main_~i~4 96), 187997#(<= ULTIMATE.start_main_~i~4 98), 188002#(<= ULTIMATE.start_main_~i~4 108), 188003#(<= ULTIMATE.start_main_~i~4 110), 188000#(<= ULTIMATE.start_main_~i~4 104), 188001#(<= ULTIMATE.start_main_~i~4 106), 188006#(<= ULTIMATE.start_main_~i~4 116), 188007#(<= ULTIMATE.start_main_~i~4 118), 188004#(<= ULTIMATE.start_main_~i~4 112), 188005#(<= ULTIMATE.start_main_~i~4 114), 188010#(<= ULTIMATE.start_main_~i~4 124), 188011#(<= ULTIMATE.start_main_~i~4 126), 188008#(<= ULTIMATE.start_main_~i~4 120), 188009#(<= ULTIMATE.start_main_~i~4 122), 188014#(<= ULTIMATE.start_main_~i~4 132), 188015#(<= ULTIMATE.start_main_~i~4 134), 188012#(<= ULTIMATE.start_main_~i~4 128), 188013#(<= ULTIMATE.start_main_~i~4 130), 188018#(<= ULTIMATE.start_main_~i~4 140), 188019#(<= ULTIMATE.start_main_~i~4 142), 188016#(<= ULTIMATE.start_main_~i~4 136), 188017#(<= ULTIMATE.start_main_~i~4 138), 188022#(<= ULTIMATE.start_main_~i~4 148), 188023#(<= ULTIMATE.start_main_~i~4 150), 188020#(<= ULTIMATE.start_main_~i~4 144), 188021#(<= ULTIMATE.start_main_~i~4 146), 188026#(<= ULTIMATE.start_main_~i~4 156), 188027#(<= ULTIMATE.start_main_~i~4 158), 188024#(<= ULTIMATE.start_main_~i~4 152), 188025#(<= ULTIMATE.start_main_~i~4 154), 188030#(<= ULTIMATE.start_main_~i~4 164), 188031#(<= ULTIMATE.start_main_~i~4 166), 188028#(<= ULTIMATE.start_main_~i~4 160), 188029#(<= ULTIMATE.start_main_~i~4 162), 188034#(<= ULTIMATE.start_main_~i~4 172), 188035#(<= ULTIMATE.start_main_~i~4 174), 188032#(<= ULTIMATE.start_main_~i~4 168), 188033#(<= ULTIMATE.start_main_~i~4 170), 188038#(<= ULTIMATE.start_main_~i~4 180), 188039#(<= ULTIMATE.start_main_~i~4 182), 188036#(<= ULTIMATE.start_main_~i~4 176), 188037#(<= ULTIMATE.start_main_~i~4 178), 188042#(<= ULTIMATE.start_main_~i~4 188), 188043#(<= ULTIMATE.start_main_~i~4 190), 188040#(<= ULTIMATE.start_main_~i~4 184), 188041#(<= ULTIMATE.start_main_~i~4 186), 188046#(<= ULTIMATE.start_main_~i~4 196), 188047#(<= ULTIMATE.start_main_~i~4 198), 188044#(<= ULTIMATE.start_main_~i~4 192), 188045#(<= ULTIMATE.start_main_~i~4 194), 188050#(<= ULTIMATE.start_main_~i~4 204), 188051#(<= ULTIMATE.start_main_~i~4 206), 188048#(<= ULTIMATE.start_main_~i~4 200), 188049#(<= ULTIMATE.start_main_~i~4 202), 188054#(<= ULTIMATE.start_main_~i~4 212), 188055#(<= ULTIMATE.start_main_~i~4 214), 188052#(<= ULTIMATE.start_main_~i~4 208), 188053#(<= ULTIMATE.start_main_~i~4 210), 188058#(<= ULTIMATE.start_main_~i~4 220), 188059#(<= ULTIMATE.start_main_~i~4 222), 188056#(<= ULTIMATE.start_main_~i~4 216), 188057#(<= ULTIMATE.start_main_~i~4 218), 188062#(<= ULTIMATE.start_main_~i~4 228), 188063#(<= ULTIMATE.start_main_~i~4 230), 188060#(<= ULTIMATE.start_main_~i~4 224), 188061#(<= ULTIMATE.start_main_~i~4 226), 188066#(<= ULTIMATE.start_main_~i~4 236), 188067#(<= ULTIMATE.start_main_~i~4 238), 188064#(<= ULTIMATE.start_main_~i~4 232), 188065#(<= ULTIMATE.start_main_~i~4 234), 188070#(<= ULTIMATE.start_main_~i~4 244), 188071#(<= ULTIMATE.start_main_~i~4 246), 188068#(<= ULTIMATE.start_main_~i~4 240), 188069#(<= ULTIMATE.start_main_~i~4 242), 188074#(<= ULTIMATE.start_main_~i~4 252), 188075#(<= ULTIMATE.start_main_~i~4 254), 188072#(<= ULTIMATE.start_main_~i~4 248), 188073#(<= ULTIMATE.start_main_~i~4 250), 188078#(<= ULTIMATE.start_main_~i~4 260), 188079#(<= ULTIMATE.start_main_~i~4 262), 188076#(<= ULTIMATE.start_main_~i~4 256), 188077#(<= ULTIMATE.start_main_~i~4 258), 188082#(<= ULTIMATE.start_main_~i~4 268), 188083#(<= ULTIMATE.start_main_~i~4 270), 188080#(<= ULTIMATE.start_main_~i~4 264), 188081#(<= ULTIMATE.start_main_~i~4 266), 188086#(<= ULTIMATE.start_main_~i~4 276), 188087#(<= ULTIMATE.start_main_~i~4 278), 188084#(<= ULTIMATE.start_main_~i~4 272), 188085#(<= ULTIMATE.start_main_~i~4 274), 188090#(<= ULTIMATE.start_main_~i~4 284), 188091#(<= ULTIMATE.start_main_~i~4 286), 188088#(<= ULTIMATE.start_main_~i~4 280), 188089#(<= ULTIMATE.start_main_~i~4 282), 188094#(<= ULTIMATE.start_main_~i~4 292), 188095#(<= ULTIMATE.start_main_~i~4 294), 188092#(<= ULTIMATE.start_main_~i~4 288), 188093#(<= ULTIMATE.start_main_~i~4 290), 188098#(<= ULTIMATE.start_main_~i~4 300), 188099#(<= ULTIMATE.start_main_~i~4 302), 188096#(<= ULTIMATE.start_main_~i~4 296), 188097#(<= ULTIMATE.start_main_~i~4 298), 188102#(<= ULTIMATE.start_main_~i~4 308), 188103#(<= ULTIMATE.start_main_~i~4 310), 188100#(<= ULTIMATE.start_main_~i~4 304), 188101#(<= ULTIMATE.start_main_~i~4 306), 188106#(<= ULTIMATE.start_main_~i~4 316), 188107#(<= ULTIMATE.start_main_~i~4 318), 188104#(<= ULTIMATE.start_main_~i~4 312), 188105#(<= ULTIMATE.start_main_~i~4 314), 188110#(<= ULTIMATE.start_main_~i~4 324), 188111#(<= ULTIMATE.start_main_~i~4 326), 188108#(<= ULTIMATE.start_main_~i~4 320), 188109#(<= ULTIMATE.start_main_~i~4 322), 188114#(<= ULTIMATE.start_main_~i~4 332), 188115#(<= ULTIMATE.start_main_~i~4 334), 188112#(<= ULTIMATE.start_main_~i~4 328), 188113#(<= ULTIMATE.start_main_~i~4 330), 188118#(<= ULTIMATE.start_main_~i~4 340), 188119#(<= ULTIMATE.start_main_~i~4 342), 188116#(<= ULTIMATE.start_main_~i~4 336), 188117#(<= ULTIMATE.start_main_~i~4 338), 188122#(<= ULTIMATE.start_main_~i~4 348), 188123#(<= ULTIMATE.start_main_~i~4 350), 188120#(<= ULTIMATE.start_main_~i~4 344), 188121#(<= ULTIMATE.start_main_~i~4 346), 188126#(<= ULTIMATE.start_main_~i~4 356), 188127#(<= ULTIMATE.start_main_~i~4 358), 188124#(<= ULTIMATE.start_main_~i~4 352), 188125#(<= ULTIMATE.start_main_~i~4 354), 188130#(<= ULTIMATE.start_main_~i~4 364), 188131#(<= ULTIMATE.start_main_~i~4 366), 188128#(<= ULTIMATE.start_main_~i~4 360), 188129#(<= ULTIMATE.start_main_~i~4 362), 188134#(<= ULTIMATE.start_main_~i~4 372), 188135#(<= ULTIMATE.start_main_~i~4 374), 188132#(<= ULTIMATE.start_main_~i~4 368), 188133#(<= ULTIMATE.start_main_~i~4 370), 188138#(<= ULTIMATE.start_main_~i~4 380), 188139#(<= ULTIMATE.start_main_~i~4 382), 188136#(<= ULTIMATE.start_main_~i~4 376), 188137#(<= ULTIMATE.start_main_~i~4 378), 188142#(<= ULTIMATE.start_main_~i~4 388), 188143#(<= ULTIMATE.start_main_~i~4 390), 188140#(<= ULTIMATE.start_main_~i~4 384), 188141#(<= ULTIMATE.start_main_~i~4 386), 188146#(<= ULTIMATE.start_main_~i~4 396), 188147#(<= ULTIMATE.start_main_~i~4 398), 188144#(<= ULTIMATE.start_main_~i~4 392), 188145#(<= ULTIMATE.start_main_~i~4 394), 188148#(<= ULTIMATE.start_main_~i~4 400), 188149#(<= ULTIMATE.start_main_~i~4 402)] [2018-07-23 13:47:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 40602 backedges. 0 proven. 40602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:28,855 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:47:28,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:47:28,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:47:28,859 INFO L87 Difference]: Start difference. First operand 407 states and 407 transitions. Second operand 204 states. [2018-07-23 13:47:30,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:30,929 INFO L93 Difference]: Finished difference Result 411 states and 411 transitions. [2018-07-23 13:47:30,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:47:30,929 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 406 [2018-07-23 13:47:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:30,930 INFO L225 Difference]: With dead ends: 411 [2018-07-23 13:47:30,930 INFO L226 Difference]: Without dead ends: 409 [2018-07-23 13:47:30,932 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:47:30,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-07-23 13:47:30,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2018-07-23 13:47:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-07-23 13:47:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 409 transitions. [2018-07-23 13:47:30,936 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 409 transitions. Word has length 406 [2018-07-23 13:47:30,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:30,936 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 409 transitions. [2018-07-23 13:47:30,936 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:47:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 409 transitions. [2018-07-23 13:47:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-07-23 13:47:30,937 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:30,937 INFO L357 BasicCegarLoop]: trace histogram [203, 202, 1, 1, 1] [2018-07-23 13:47:30,937 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:30,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1190588405, now seen corresponding path program 202 times [2018-07-23 13:47:30,937 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 41006 backedges. 0 proven. 41006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,153 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:32,153 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:47:32,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,154 INFO L185 omatonBuilderFactory]: Interpolants [189954#(<= ULTIMATE.start_main_~i~4 324), 189955#(<= ULTIMATE.start_main_~i~4 326), 189952#(<= ULTIMATE.start_main_~i~4 320), 189953#(<= ULTIMATE.start_main_~i~4 322), 189958#(<= ULTIMATE.start_main_~i~4 332), 189959#(<= ULTIMATE.start_main_~i~4 334), 189956#(<= ULTIMATE.start_main_~i~4 328), 189957#(<= ULTIMATE.start_main_~i~4 330), 189962#(<= ULTIMATE.start_main_~i~4 340), 189963#(<= ULTIMATE.start_main_~i~4 342), 189960#(<= ULTIMATE.start_main_~i~4 336), 189961#(<= ULTIMATE.start_main_~i~4 338), 189966#(<= ULTIMATE.start_main_~i~4 348), 189967#(<= ULTIMATE.start_main_~i~4 350), 189964#(<= ULTIMATE.start_main_~i~4 344), 189965#(<= ULTIMATE.start_main_~i~4 346), 189970#(<= ULTIMATE.start_main_~i~4 356), 189971#(<= ULTIMATE.start_main_~i~4 358), 189968#(<= ULTIMATE.start_main_~i~4 352), 189969#(<= ULTIMATE.start_main_~i~4 354), 189974#(<= ULTIMATE.start_main_~i~4 364), 189975#(<= ULTIMATE.start_main_~i~4 366), 189972#(<= ULTIMATE.start_main_~i~4 360), 189973#(<= ULTIMATE.start_main_~i~4 362), 189978#(<= ULTIMATE.start_main_~i~4 372), 189979#(<= ULTIMATE.start_main_~i~4 374), 189976#(<= ULTIMATE.start_main_~i~4 368), 189977#(<= ULTIMATE.start_main_~i~4 370), 189982#(<= ULTIMATE.start_main_~i~4 380), 189983#(<= ULTIMATE.start_main_~i~4 382), 189980#(<= ULTIMATE.start_main_~i~4 376), 189981#(<= ULTIMATE.start_main_~i~4 378), 189986#(<= ULTIMATE.start_main_~i~4 388), 189987#(<= ULTIMATE.start_main_~i~4 390), 189984#(<= ULTIMATE.start_main_~i~4 384), 189985#(<= ULTIMATE.start_main_~i~4 386), 189990#(<= ULTIMATE.start_main_~i~4 396), 189991#(<= ULTIMATE.start_main_~i~4 398), 189988#(<= ULTIMATE.start_main_~i~4 392), 189989#(<= ULTIMATE.start_main_~i~4 394), 189994#(<= ULTIMATE.start_main_~i~4 404), 189992#(<= ULTIMATE.start_main_~i~4 400), 189993#(<= ULTIMATE.start_main_~i~4 402), 189790#true, 189791#false, 189794#(<= ULTIMATE.start_main_~i~4 4), 189795#(<= ULTIMATE.start_main_~i~4 6), 189792#(<= ULTIMATE.start_main_~i~4 0), 189793#(<= ULTIMATE.start_main_~i~4 2), 189798#(<= ULTIMATE.start_main_~i~4 12), 189799#(<= ULTIMATE.start_main_~i~4 14), 189796#(<= ULTIMATE.start_main_~i~4 8), 189797#(<= ULTIMATE.start_main_~i~4 10), 189802#(<= ULTIMATE.start_main_~i~4 20), 189803#(<= ULTIMATE.start_main_~i~4 22), 189800#(<= ULTIMATE.start_main_~i~4 16), 189801#(<= ULTIMATE.start_main_~i~4 18), 189806#(<= ULTIMATE.start_main_~i~4 28), 189807#(<= ULTIMATE.start_main_~i~4 30), 189804#(<= ULTIMATE.start_main_~i~4 24), 189805#(<= ULTIMATE.start_main_~i~4 26), 189810#(<= ULTIMATE.start_main_~i~4 36), 189811#(<= ULTIMATE.start_main_~i~4 38), 189808#(<= ULTIMATE.start_main_~i~4 32), 189809#(<= ULTIMATE.start_main_~i~4 34), 189814#(<= ULTIMATE.start_main_~i~4 44), 189815#(<= ULTIMATE.start_main_~i~4 46), 189812#(<= ULTIMATE.start_main_~i~4 40), 189813#(<= ULTIMATE.start_main_~i~4 42), 189818#(<= ULTIMATE.start_main_~i~4 52), 189819#(<= ULTIMATE.start_main_~i~4 54), 189816#(<= ULTIMATE.start_main_~i~4 48), 189817#(<= ULTIMATE.start_main_~i~4 50), 189822#(<= ULTIMATE.start_main_~i~4 60), 189823#(<= ULTIMATE.start_main_~i~4 62), 189820#(<= ULTIMATE.start_main_~i~4 56), 189821#(<= ULTIMATE.start_main_~i~4 58), 189826#(<= ULTIMATE.start_main_~i~4 68), 189827#(<= ULTIMATE.start_main_~i~4 70), 189824#(<= ULTIMATE.start_main_~i~4 64), 189825#(<= ULTIMATE.start_main_~i~4 66), 189830#(<= ULTIMATE.start_main_~i~4 76), 189831#(<= ULTIMATE.start_main_~i~4 78), 189828#(<= ULTIMATE.start_main_~i~4 72), 189829#(<= ULTIMATE.start_main_~i~4 74), 189834#(<= ULTIMATE.start_main_~i~4 84), 189835#(<= ULTIMATE.start_main_~i~4 86), 189832#(<= ULTIMATE.start_main_~i~4 80), 189833#(<= ULTIMATE.start_main_~i~4 82), 189838#(<= ULTIMATE.start_main_~i~4 92), 189839#(<= ULTIMATE.start_main_~i~4 94), 189836#(<= ULTIMATE.start_main_~i~4 88), 189837#(<= ULTIMATE.start_main_~i~4 90), 189842#(<= ULTIMATE.start_main_~i~4 100), 189843#(<= ULTIMATE.start_main_~i~4 102), 189840#(<= ULTIMATE.start_main_~i~4 96), 189841#(<= ULTIMATE.start_main_~i~4 98), 189846#(<= ULTIMATE.start_main_~i~4 108), 189847#(<= ULTIMATE.start_main_~i~4 110), 189844#(<= ULTIMATE.start_main_~i~4 104), 189845#(<= ULTIMATE.start_main_~i~4 106), 189850#(<= ULTIMATE.start_main_~i~4 116), 189851#(<= ULTIMATE.start_main_~i~4 118), 189848#(<= ULTIMATE.start_main_~i~4 112), 189849#(<= ULTIMATE.start_main_~i~4 114), 189854#(<= ULTIMATE.start_main_~i~4 124), 189855#(<= ULTIMATE.start_main_~i~4 126), 189852#(<= ULTIMATE.start_main_~i~4 120), 189853#(<= ULTIMATE.start_main_~i~4 122), 189858#(<= ULTIMATE.start_main_~i~4 132), 189859#(<= ULTIMATE.start_main_~i~4 134), 189856#(<= ULTIMATE.start_main_~i~4 128), 189857#(<= ULTIMATE.start_main_~i~4 130), 189862#(<= ULTIMATE.start_main_~i~4 140), 189863#(<= ULTIMATE.start_main_~i~4 142), 189860#(<= ULTIMATE.start_main_~i~4 136), 189861#(<= ULTIMATE.start_main_~i~4 138), 189866#(<= ULTIMATE.start_main_~i~4 148), 189867#(<= ULTIMATE.start_main_~i~4 150), 189864#(<= ULTIMATE.start_main_~i~4 144), 189865#(<= ULTIMATE.start_main_~i~4 146), 189870#(<= ULTIMATE.start_main_~i~4 156), 189871#(<= ULTIMATE.start_main_~i~4 158), 189868#(<= ULTIMATE.start_main_~i~4 152), 189869#(<= ULTIMATE.start_main_~i~4 154), 189874#(<= ULTIMATE.start_main_~i~4 164), 189875#(<= ULTIMATE.start_main_~i~4 166), 189872#(<= ULTIMATE.start_main_~i~4 160), 189873#(<= ULTIMATE.start_main_~i~4 162), 189878#(<= ULTIMATE.start_main_~i~4 172), 189879#(<= ULTIMATE.start_main_~i~4 174), 189876#(<= ULTIMATE.start_main_~i~4 168), 189877#(<= ULTIMATE.start_main_~i~4 170), 189882#(<= ULTIMATE.start_main_~i~4 180), 189883#(<= ULTIMATE.start_main_~i~4 182), 189880#(<= ULTIMATE.start_main_~i~4 176), 189881#(<= ULTIMATE.start_main_~i~4 178), 189886#(<= ULTIMATE.start_main_~i~4 188), 189887#(<= ULTIMATE.start_main_~i~4 190), 189884#(<= ULTIMATE.start_main_~i~4 184), 189885#(<= ULTIMATE.start_main_~i~4 186), 189890#(<= ULTIMATE.start_main_~i~4 196), 189891#(<= ULTIMATE.start_main_~i~4 198), 189888#(<= ULTIMATE.start_main_~i~4 192), 189889#(<= ULTIMATE.start_main_~i~4 194), 189894#(<= ULTIMATE.start_main_~i~4 204), 189895#(<= ULTIMATE.start_main_~i~4 206), 189892#(<= ULTIMATE.start_main_~i~4 200), 189893#(<= ULTIMATE.start_main_~i~4 202), 189898#(<= ULTIMATE.start_main_~i~4 212), 189899#(<= ULTIMATE.start_main_~i~4 214), 189896#(<= ULTIMATE.start_main_~i~4 208), 189897#(<= ULTIMATE.start_main_~i~4 210), 189902#(<= ULTIMATE.start_main_~i~4 220), 189903#(<= ULTIMATE.start_main_~i~4 222), 189900#(<= ULTIMATE.start_main_~i~4 216), 189901#(<= ULTIMATE.start_main_~i~4 218), 189906#(<= ULTIMATE.start_main_~i~4 228), 189907#(<= ULTIMATE.start_main_~i~4 230), 189904#(<= ULTIMATE.start_main_~i~4 224), 189905#(<= ULTIMATE.start_main_~i~4 226), 189910#(<= ULTIMATE.start_main_~i~4 236), 189911#(<= ULTIMATE.start_main_~i~4 238), 189908#(<= ULTIMATE.start_main_~i~4 232), 189909#(<= ULTIMATE.start_main_~i~4 234), 189914#(<= ULTIMATE.start_main_~i~4 244), 189915#(<= ULTIMATE.start_main_~i~4 246), 189912#(<= ULTIMATE.start_main_~i~4 240), 189913#(<= ULTIMATE.start_main_~i~4 242), 189918#(<= ULTIMATE.start_main_~i~4 252), 189919#(<= ULTIMATE.start_main_~i~4 254), 189916#(<= ULTIMATE.start_main_~i~4 248), 189917#(<= ULTIMATE.start_main_~i~4 250), 189922#(<= ULTIMATE.start_main_~i~4 260), 189923#(<= ULTIMATE.start_main_~i~4 262), 189920#(<= ULTIMATE.start_main_~i~4 256), 189921#(<= ULTIMATE.start_main_~i~4 258), 189926#(<= ULTIMATE.start_main_~i~4 268), 189927#(<= ULTIMATE.start_main_~i~4 270), 189924#(<= ULTIMATE.start_main_~i~4 264), 189925#(<= ULTIMATE.start_main_~i~4 266), 189930#(<= ULTIMATE.start_main_~i~4 276), 189931#(<= ULTIMATE.start_main_~i~4 278), 189928#(<= ULTIMATE.start_main_~i~4 272), 189929#(<= ULTIMATE.start_main_~i~4 274), 189934#(<= ULTIMATE.start_main_~i~4 284), 189935#(<= ULTIMATE.start_main_~i~4 286), 189932#(<= ULTIMATE.start_main_~i~4 280), 189933#(<= ULTIMATE.start_main_~i~4 282), 189938#(<= ULTIMATE.start_main_~i~4 292), 189939#(<= ULTIMATE.start_main_~i~4 294), 189936#(<= ULTIMATE.start_main_~i~4 288), 189937#(<= ULTIMATE.start_main_~i~4 290), 189942#(<= ULTIMATE.start_main_~i~4 300), 189943#(<= ULTIMATE.start_main_~i~4 302), 189940#(<= ULTIMATE.start_main_~i~4 296), 189941#(<= ULTIMATE.start_main_~i~4 298), 189946#(<= ULTIMATE.start_main_~i~4 308), 189947#(<= ULTIMATE.start_main_~i~4 310), 189944#(<= ULTIMATE.start_main_~i~4 304), 189945#(<= ULTIMATE.start_main_~i~4 306), 189950#(<= ULTIMATE.start_main_~i~4 316), 189951#(<= ULTIMATE.start_main_~i~4 318), 189948#(<= ULTIMATE.start_main_~i~4 312), 189949#(<= ULTIMATE.start_main_~i~4 314)] [2018-07-23 13:47:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 41006 backedges. 0 proven. 41006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,156 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:47:32,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:47:32,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:47:32,160 INFO L87 Difference]: Start difference. First operand 409 states and 409 transitions. Second operand 205 states. [2018-07-23 13:47:33,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:33,125 INFO L93 Difference]: Finished difference Result 413 states and 413 transitions. [2018-07-23 13:47:33,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:47:33,125 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 408 [2018-07-23 13:47:33,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:33,125 INFO L225 Difference]: With dead ends: 413 [2018-07-23 13:47:33,125 INFO L226 Difference]: Without dead ends: 411 [2018-07-23 13:47:33,127 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:47:33,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-07-23 13:47:33,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2018-07-23 13:47:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-07-23 13:47:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 411 transitions. [2018-07-23 13:47:33,131 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 411 transitions. Word has length 408 [2018-07-23 13:47:33,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:33,131 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 411 transitions. [2018-07-23 13:47:33,131 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:47:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 411 transitions. [2018-07-23 13:47:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-07-23 13:47:33,132 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:33,133 INFO L357 BasicCegarLoop]: trace histogram [204, 203, 1, 1, 1] [2018-07-23 13:47:33,133 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:33,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1694104379, now seen corresponding path program 203 times [2018-07-23 13:47:33,133 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 41412 backedges. 0 proven. 41412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:34,308 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:34,308 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:47:34,308 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:34,309 INFO L185 omatonBuilderFactory]: Interpolants [191643#true, 191646#(<= ULTIMATE.start_main_~i~4 2), 191647#(<= ULTIMATE.start_main_~i~4 4), 191644#false, 191645#(<= ULTIMATE.start_main_~i~4 0), 191650#(<= ULTIMATE.start_main_~i~4 10), 191651#(<= ULTIMATE.start_main_~i~4 12), 191648#(<= ULTIMATE.start_main_~i~4 6), 191649#(<= ULTIMATE.start_main_~i~4 8), 191654#(<= ULTIMATE.start_main_~i~4 18), 191655#(<= ULTIMATE.start_main_~i~4 20), 191652#(<= ULTIMATE.start_main_~i~4 14), 191653#(<= ULTIMATE.start_main_~i~4 16), 191658#(<= ULTIMATE.start_main_~i~4 26), 191659#(<= ULTIMATE.start_main_~i~4 28), 191656#(<= ULTIMATE.start_main_~i~4 22), 191657#(<= ULTIMATE.start_main_~i~4 24), 191662#(<= ULTIMATE.start_main_~i~4 34), 191663#(<= ULTIMATE.start_main_~i~4 36), 191660#(<= ULTIMATE.start_main_~i~4 30), 191661#(<= ULTIMATE.start_main_~i~4 32), 191666#(<= ULTIMATE.start_main_~i~4 42), 191667#(<= ULTIMATE.start_main_~i~4 44), 191664#(<= ULTIMATE.start_main_~i~4 38), 191665#(<= ULTIMATE.start_main_~i~4 40), 191670#(<= ULTIMATE.start_main_~i~4 50), 191671#(<= ULTIMATE.start_main_~i~4 52), 191668#(<= ULTIMATE.start_main_~i~4 46), 191669#(<= ULTIMATE.start_main_~i~4 48), 191674#(<= ULTIMATE.start_main_~i~4 58), 191675#(<= ULTIMATE.start_main_~i~4 60), 191672#(<= ULTIMATE.start_main_~i~4 54), 191673#(<= ULTIMATE.start_main_~i~4 56), 191678#(<= ULTIMATE.start_main_~i~4 66), 191679#(<= ULTIMATE.start_main_~i~4 68), 191676#(<= ULTIMATE.start_main_~i~4 62), 191677#(<= ULTIMATE.start_main_~i~4 64), 191682#(<= ULTIMATE.start_main_~i~4 74), 191683#(<= ULTIMATE.start_main_~i~4 76), 191680#(<= ULTIMATE.start_main_~i~4 70), 191681#(<= ULTIMATE.start_main_~i~4 72), 191686#(<= ULTIMATE.start_main_~i~4 82), 191687#(<= ULTIMATE.start_main_~i~4 84), 191684#(<= ULTIMATE.start_main_~i~4 78), 191685#(<= ULTIMATE.start_main_~i~4 80), 191690#(<= ULTIMATE.start_main_~i~4 90), 191691#(<= ULTIMATE.start_main_~i~4 92), 191688#(<= ULTIMATE.start_main_~i~4 86), 191689#(<= ULTIMATE.start_main_~i~4 88), 191694#(<= ULTIMATE.start_main_~i~4 98), 191695#(<= ULTIMATE.start_main_~i~4 100), 191692#(<= ULTIMATE.start_main_~i~4 94), 191693#(<= ULTIMATE.start_main_~i~4 96), 191698#(<= ULTIMATE.start_main_~i~4 106), 191699#(<= ULTIMATE.start_main_~i~4 108), 191696#(<= ULTIMATE.start_main_~i~4 102), 191697#(<= ULTIMATE.start_main_~i~4 104), 191702#(<= ULTIMATE.start_main_~i~4 114), 191703#(<= ULTIMATE.start_main_~i~4 116), 191700#(<= ULTIMATE.start_main_~i~4 110), 191701#(<= ULTIMATE.start_main_~i~4 112), 191706#(<= ULTIMATE.start_main_~i~4 122), 191707#(<= ULTIMATE.start_main_~i~4 124), 191704#(<= ULTIMATE.start_main_~i~4 118), 191705#(<= ULTIMATE.start_main_~i~4 120), 191710#(<= ULTIMATE.start_main_~i~4 130), 191711#(<= ULTIMATE.start_main_~i~4 132), 191708#(<= ULTIMATE.start_main_~i~4 126), 191709#(<= ULTIMATE.start_main_~i~4 128), 191714#(<= ULTIMATE.start_main_~i~4 138), 191715#(<= ULTIMATE.start_main_~i~4 140), 191712#(<= ULTIMATE.start_main_~i~4 134), 191713#(<= ULTIMATE.start_main_~i~4 136), 191718#(<= ULTIMATE.start_main_~i~4 146), 191719#(<= ULTIMATE.start_main_~i~4 148), 191716#(<= ULTIMATE.start_main_~i~4 142), 191717#(<= ULTIMATE.start_main_~i~4 144), 191722#(<= ULTIMATE.start_main_~i~4 154), 191723#(<= ULTIMATE.start_main_~i~4 156), 191720#(<= ULTIMATE.start_main_~i~4 150), 191721#(<= ULTIMATE.start_main_~i~4 152), 191726#(<= ULTIMATE.start_main_~i~4 162), 191727#(<= ULTIMATE.start_main_~i~4 164), 191724#(<= ULTIMATE.start_main_~i~4 158), 191725#(<= ULTIMATE.start_main_~i~4 160), 191730#(<= ULTIMATE.start_main_~i~4 170), 191731#(<= ULTIMATE.start_main_~i~4 172), 191728#(<= ULTIMATE.start_main_~i~4 166), 191729#(<= ULTIMATE.start_main_~i~4 168), 191734#(<= ULTIMATE.start_main_~i~4 178), 191735#(<= ULTIMATE.start_main_~i~4 180), 191732#(<= ULTIMATE.start_main_~i~4 174), 191733#(<= ULTIMATE.start_main_~i~4 176), 191738#(<= ULTIMATE.start_main_~i~4 186), 191739#(<= ULTIMATE.start_main_~i~4 188), 191736#(<= ULTIMATE.start_main_~i~4 182), 191737#(<= ULTIMATE.start_main_~i~4 184), 191742#(<= ULTIMATE.start_main_~i~4 194), 191743#(<= ULTIMATE.start_main_~i~4 196), 191740#(<= ULTIMATE.start_main_~i~4 190), 191741#(<= ULTIMATE.start_main_~i~4 192), 191746#(<= ULTIMATE.start_main_~i~4 202), 191747#(<= ULTIMATE.start_main_~i~4 204), 191744#(<= ULTIMATE.start_main_~i~4 198), 191745#(<= ULTIMATE.start_main_~i~4 200), 191750#(<= ULTIMATE.start_main_~i~4 210), 191751#(<= ULTIMATE.start_main_~i~4 212), 191748#(<= ULTIMATE.start_main_~i~4 206), 191749#(<= ULTIMATE.start_main_~i~4 208), 191754#(<= ULTIMATE.start_main_~i~4 218), 191755#(<= ULTIMATE.start_main_~i~4 220), 191752#(<= ULTIMATE.start_main_~i~4 214), 191753#(<= ULTIMATE.start_main_~i~4 216), 191758#(<= ULTIMATE.start_main_~i~4 226), 191759#(<= ULTIMATE.start_main_~i~4 228), 191756#(<= ULTIMATE.start_main_~i~4 222), 191757#(<= ULTIMATE.start_main_~i~4 224), 191762#(<= ULTIMATE.start_main_~i~4 234), 191763#(<= ULTIMATE.start_main_~i~4 236), 191760#(<= ULTIMATE.start_main_~i~4 230), 191761#(<= ULTIMATE.start_main_~i~4 232), 191766#(<= ULTIMATE.start_main_~i~4 242), 191767#(<= ULTIMATE.start_main_~i~4 244), 191764#(<= ULTIMATE.start_main_~i~4 238), 191765#(<= ULTIMATE.start_main_~i~4 240), 191770#(<= ULTIMATE.start_main_~i~4 250), 191771#(<= ULTIMATE.start_main_~i~4 252), 191768#(<= ULTIMATE.start_main_~i~4 246), 191769#(<= ULTIMATE.start_main_~i~4 248), 191774#(<= ULTIMATE.start_main_~i~4 258), 191775#(<= ULTIMATE.start_main_~i~4 260), 191772#(<= ULTIMATE.start_main_~i~4 254), 191773#(<= ULTIMATE.start_main_~i~4 256), 191778#(<= ULTIMATE.start_main_~i~4 266), 191779#(<= ULTIMATE.start_main_~i~4 268), 191776#(<= ULTIMATE.start_main_~i~4 262), 191777#(<= ULTIMATE.start_main_~i~4 264), 191782#(<= ULTIMATE.start_main_~i~4 274), 191783#(<= ULTIMATE.start_main_~i~4 276), 191780#(<= ULTIMATE.start_main_~i~4 270), 191781#(<= ULTIMATE.start_main_~i~4 272), 191786#(<= ULTIMATE.start_main_~i~4 282), 191787#(<= ULTIMATE.start_main_~i~4 284), 191784#(<= ULTIMATE.start_main_~i~4 278), 191785#(<= ULTIMATE.start_main_~i~4 280), 191790#(<= ULTIMATE.start_main_~i~4 290), 191791#(<= ULTIMATE.start_main_~i~4 292), 191788#(<= ULTIMATE.start_main_~i~4 286), 191789#(<= ULTIMATE.start_main_~i~4 288), 191794#(<= ULTIMATE.start_main_~i~4 298), 191795#(<= ULTIMATE.start_main_~i~4 300), 191792#(<= ULTIMATE.start_main_~i~4 294), 191793#(<= ULTIMATE.start_main_~i~4 296), 191798#(<= ULTIMATE.start_main_~i~4 306), 191799#(<= ULTIMATE.start_main_~i~4 308), 191796#(<= ULTIMATE.start_main_~i~4 302), 191797#(<= ULTIMATE.start_main_~i~4 304), 191802#(<= ULTIMATE.start_main_~i~4 314), 191803#(<= ULTIMATE.start_main_~i~4 316), 191800#(<= ULTIMATE.start_main_~i~4 310), 191801#(<= ULTIMATE.start_main_~i~4 312), 191806#(<= ULTIMATE.start_main_~i~4 322), 191807#(<= ULTIMATE.start_main_~i~4 324), 191804#(<= ULTIMATE.start_main_~i~4 318), 191805#(<= ULTIMATE.start_main_~i~4 320), 191810#(<= ULTIMATE.start_main_~i~4 330), 191811#(<= ULTIMATE.start_main_~i~4 332), 191808#(<= ULTIMATE.start_main_~i~4 326), 191809#(<= ULTIMATE.start_main_~i~4 328), 191814#(<= ULTIMATE.start_main_~i~4 338), 191815#(<= ULTIMATE.start_main_~i~4 340), 191812#(<= ULTIMATE.start_main_~i~4 334), 191813#(<= ULTIMATE.start_main_~i~4 336), 191818#(<= ULTIMATE.start_main_~i~4 346), 191819#(<= ULTIMATE.start_main_~i~4 348), 191816#(<= ULTIMATE.start_main_~i~4 342), 191817#(<= ULTIMATE.start_main_~i~4 344), 191822#(<= ULTIMATE.start_main_~i~4 354), 191823#(<= ULTIMATE.start_main_~i~4 356), 191820#(<= ULTIMATE.start_main_~i~4 350), 191821#(<= ULTIMATE.start_main_~i~4 352), 191826#(<= ULTIMATE.start_main_~i~4 362), 191827#(<= ULTIMATE.start_main_~i~4 364), 191824#(<= ULTIMATE.start_main_~i~4 358), 191825#(<= ULTIMATE.start_main_~i~4 360), 191830#(<= ULTIMATE.start_main_~i~4 370), 191831#(<= ULTIMATE.start_main_~i~4 372), 191828#(<= ULTIMATE.start_main_~i~4 366), 191829#(<= ULTIMATE.start_main_~i~4 368), 191834#(<= ULTIMATE.start_main_~i~4 378), 191835#(<= ULTIMATE.start_main_~i~4 380), 191832#(<= ULTIMATE.start_main_~i~4 374), 191833#(<= ULTIMATE.start_main_~i~4 376), 191838#(<= ULTIMATE.start_main_~i~4 386), 191839#(<= ULTIMATE.start_main_~i~4 388), 191836#(<= ULTIMATE.start_main_~i~4 382), 191837#(<= ULTIMATE.start_main_~i~4 384), 191842#(<= ULTIMATE.start_main_~i~4 394), 191843#(<= ULTIMATE.start_main_~i~4 396), 191840#(<= ULTIMATE.start_main_~i~4 390), 191841#(<= ULTIMATE.start_main_~i~4 392), 191846#(<= ULTIMATE.start_main_~i~4 402), 191847#(<= ULTIMATE.start_main_~i~4 404), 191844#(<= ULTIMATE.start_main_~i~4 398), 191845#(<= ULTIMATE.start_main_~i~4 400), 191848#(<= ULTIMATE.start_main_~i~4 406)] [2018-07-23 13:47:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 41412 backedges. 0 proven. 41412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:34,310 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:47:34,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:47:34,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:47:34,315 INFO L87 Difference]: Start difference. First operand 411 states and 411 transitions. Second operand 206 states. [2018-07-23 13:47:35,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:35,213 INFO L93 Difference]: Finished difference Result 415 states and 415 transitions. [2018-07-23 13:47:35,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:47:35,213 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 410 [2018-07-23 13:47:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:35,214 INFO L225 Difference]: With dead ends: 415 [2018-07-23 13:47:35,214 INFO L226 Difference]: Without dead ends: 413 [2018-07-23 13:47:35,216 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:47:35,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-07-23 13:47:35,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2018-07-23 13:47:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-07-23 13:47:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 413 transitions. [2018-07-23 13:47:35,220 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 413 transitions. Word has length 410 [2018-07-23 13:47:35,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:35,220 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 413 transitions. [2018-07-23 13:47:35,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:47:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 413 transitions. [2018-07-23 13:47:35,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-07-23 13:47:35,221 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:35,221 INFO L357 BasicCegarLoop]: trace histogram [205, 204, 1, 1, 1] [2018-07-23 13:47:35,221 INFO L414 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:35,222 INFO L82 PathProgramCache]: Analyzing trace with hash -241650945, now seen corresponding path program 204 times [2018-07-23 13:47:35,222 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41820 backedges. 0 proven. 41820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:36,448 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:36,448 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:47:36,448 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:36,449 INFO L185 omatonBuilderFactory]: Interpolants [193538#(<= ULTIMATE.start_main_~i~4 62), 193539#(<= ULTIMATE.start_main_~i~4 64), 193536#(<= ULTIMATE.start_main_~i~4 58), 193537#(<= ULTIMATE.start_main_~i~4 60), 193542#(<= ULTIMATE.start_main_~i~4 70), 193543#(<= ULTIMATE.start_main_~i~4 72), 193540#(<= ULTIMATE.start_main_~i~4 66), 193541#(<= ULTIMATE.start_main_~i~4 68), 193546#(<= ULTIMATE.start_main_~i~4 78), 193547#(<= ULTIMATE.start_main_~i~4 80), 193544#(<= ULTIMATE.start_main_~i~4 74), 193545#(<= ULTIMATE.start_main_~i~4 76), 193550#(<= ULTIMATE.start_main_~i~4 86), 193551#(<= ULTIMATE.start_main_~i~4 88), 193548#(<= ULTIMATE.start_main_~i~4 82), 193549#(<= ULTIMATE.start_main_~i~4 84), 193554#(<= ULTIMATE.start_main_~i~4 94), 193555#(<= ULTIMATE.start_main_~i~4 96), 193552#(<= ULTIMATE.start_main_~i~4 90), 193553#(<= ULTIMATE.start_main_~i~4 92), 193558#(<= ULTIMATE.start_main_~i~4 102), 193559#(<= ULTIMATE.start_main_~i~4 104), 193556#(<= ULTIMATE.start_main_~i~4 98), 193557#(<= ULTIMATE.start_main_~i~4 100), 193562#(<= ULTIMATE.start_main_~i~4 110), 193563#(<= ULTIMATE.start_main_~i~4 112), 193560#(<= ULTIMATE.start_main_~i~4 106), 193561#(<= ULTIMATE.start_main_~i~4 108), 193566#(<= ULTIMATE.start_main_~i~4 118), 193567#(<= ULTIMATE.start_main_~i~4 120), 193564#(<= ULTIMATE.start_main_~i~4 114), 193565#(<= ULTIMATE.start_main_~i~4 116), 193570#(<= ULTIMATE.start_main_~i~4 126), 193571#(<= ULTIMATE.start_main_~i~4 128), 193568#(<= ULTIMATE.start_main_~i~4 122), 193569#(<= ULTIMATE.start_main_~i~4 124), 193574#(<= ULTIMATE.start_main_~i~4 134), 193575#(<= ULTIMATE.start_main_~i~4 136), 193572#(<= ULTIMATE.start_main_~i~4 130), 193573#(<= ULTIMATE.start_main_~i~4 132), 193578#(<= ULTIMATE.start_main_~i~4 142), 193579#(<= ULTIMATE.start_main_~i~4 144), 193576#(<= ULTIMATE.start_main_~i~4 138), 193577#(<= ULTIMATE.start_main_~i~4 140), 193582#(<= ULTIMATE.start_main_~i~4 150), 193583#(<= ULTIMATE.start_main_~i~4 152), 193580#(<= ULTIMATE.start_main_~i~4 146), 193581#(<= ULTIMATE.start_main_~i~4 148), 193586#(<= ULTIMATE.start_main_~i~4 158), 193587#(<= ULTIMATE.start_main_~i~4 160), 193584#(<= ULTIMATE.start_main_~i~4 154), 193585#(<= ULTIMATE.start_main_~i~4 156), 193590#(<= ULTIMATE.start_main_~i~4 166), 193591#(<= ULTIMATE.start_main_~i~4 168), 193588#(<= ULTIMATE.start_main_~i~4 162), 193589#(<= ULTIMATE.start_main_~i~4 164), 193594#(<= ULTIMATE.start_main_~i~4 174), 193595#(<= ULTIMATE.start_main_~i~4 176), 193592#(<= ULTIMATE.start_main_~i~4 170), 193593#(<= ULTIMATE.start_main_~i~4 172), 193598#(<= ULTIMATE.start_main_~i~4 182), 193599#(<= ULTIMATE.start_main_~i~4 184), 193596#(<= ULTIMATE.start_main_~i~4 178), 193597#(<= ULTIMATE.start_main_~i~4 180), 193602#(<= ULTIMATE.start_main_~i~4 190), 193603#(<= ULTIMATE.start_main_~i~4 192), 193600#(<= ULTIMATE.start_main_~i~4 186), 193601#(<= ULTIMATE.start_main_~i~4 188), 193606#(<= ULTIMATE.start_main_~i~4 198), 193607#(<= ULTIMATE.start_main_~i~4 200), 193604#(<= ULTIMATE.start_main_~i~4 194), 193605#(<= ULTIMATE.start_main_~i~4 196), 193610#(<= ULTIMATE.start_main_~i~4 206), 193611#(<= ULTIMATE.start_main_~i~4 208), 193608#(<= ULTIMATE.start_main_~i~4 202), 193609#(<= ULTIMATE.start_main_~i~4 204), 193614#(<= ULTIMATE.start_main_~i~4 214), 193615#(<= ULTIMATE.start_main_~i~4 216), 193612#(<= ULTIMATE.start_main_~i~4 210), 193613#(<= ULTIMATE.start_main_~i~4 212), 193618#(<= ULTIMATE.start_main_~i~4 222), 193619#(<= ULTIMATE.start_main_~i~4 224), 193616#(<= ULTIMATE.start_main_~i~4 218), 193617#(<= ULTIMATE.start_main_~i~4 220), 193622#(<= ULTIMATE.start_main_~i~4 230), 193623#(<= ULTIMATE.start_main_~i~4 232), 193620#(<= ULTIMATE.start_main_~i~4 226), 193621#(<= ULTIMATE.start_main_~i~4 228), 193626#(<= ULTIMATE.start_main_~i~4 238), 193627#(<= ULTIMATE.start_main_~i~4 240), 193624#(<= ULTIMATE.start_main_~i~4 234), 193625#(<= ULTIMATE.start_main_~i~4 236), 193630#(<= ULTIMATE.start_main_~i~4 246), 193631#(<= ULTIMATE.start_main_~i~4 248), 193628#(<= ULTIMATE.start_main_~i~4 242), 193629#(<= ULTIMATE.start_main_~i~4 244), 193634#(<= ULTIMATE.start_main_~i~4 254), 193635#(<= ULTIMATE.start_main_~i~4 256), 193632#(<= ULTIMATE.start_main_~i~4 250), 193633#(<= ULTIMATE.start_main_~i~4 252), 193638#(<= ULTIMATE.start_main_~i~4 262), 193639#(<= ULTIMATE.start_main_~i~4 264), 193636#(<= ULTIMATE.start_main_~i~4 258), 193637#(<= ULTIMATE.start_main_~i~4 260), 193642#(<= ULTIMATE.start_main_~i~4 270), 193643#(<= ULTIMATE.start_main_~i~4 272), 193640#(<= ULTIMATE.start_main_~i~4 266), 193641#(<= ULTIMATE.start_main_~i~4 268), 193646#(<= ULTIMATE.start_main_~i~4 278), 193647#(<= ULTIMATE.start_main_~i~4 280), 193644#(<= ULTIMATE.start_main_~i~4 274), 193645#(<= ULTIMATE.start_main_~i~4 276), 193650#(<= ULTIMATE.start_main_~i~4 286), 193651#(<= ULTIMATE.start_main_~i~4 288), 193648#(<= ULTIMATE.start_main_~i~4 282), 193649#(<= ULTIMATE.start_main_~i~4 284), 193654#(<= ULTIMATE.start_main_~i~4 294), 193655#(<= ULTIMATE.start_main_~i~4 296), 193652#(<= ULTIMATE.start_main_~i~4 290), 193653#(<= ULTIMATE.start_main_~i~4 292), 193658#(<= ULTIMATE.start_main_~i~4 302), 193659#(<= ULTIMATE.start_main_~i~4 304), 193656#(<= ULTIMATE.start_main_~i~4 298), 193657#(<= ULTIMATE.start_main_~i~4 300), 193662#(<= ULTIMATE.start_main_~i~4 310), 193663#(<= ULTIMATE.start_main_~i~4 312), 193660#(<= ULTIMATE.start_main_~i~4 306), 193661#(<= ULTIMATE.start_main_~i~4 308), 193666#(<= ULTIMATE.start_main_~i~4 318), 193667#(<= ULTIMATE.start_main_~i~4 320), 193664#(<= ULTIMATE.start_main_~i~4 314), 193665#(<= ULTIMATE.start_main_~i~4 316), 193670#(<= ULTIMATE.start_main_~i~4 326), 193671#(<= ULTIMATE.start_main_~i~4 328), 193668#(<= ULTIMATE.start_main_~i~4 322), 193669#(<= ULTIMATE.start_main_~i~4 324), 193674#(<= ULTIMATE.start_main_~i~4 334), 193675#(<= ULTIMATE.start_main_~i~4 336), 193672#(<= ULTIMATE.start_main_~i~4 330), 193673#(<= ULTIMATE.start_main_~i~4 332), 193678#(<= ULTIMATE.start_main_~i~4 342), 193679#(<= ULTIMATE.start_main_~i~4 344), 193676#(<= ULTIMATE.start_main_~i~4 338), 193677#(<= ULTIMATE.start_main_~i~4 340), 193682#(<= ULTIMATE.start_main_~i~4 350), 193683#(<= ULTIMATE.start_main_~i~4 352), 193680#(<= ULTIMATE.start_main_~i~4 346), 193681#(<= ULTIMATE.start_main_~i~4 348), 193686#(<= ULTIMATE.start_main_~i~4 358), 193687#(<= ULTIMATE.start_main_~i~4 360), 193684#(<= ULTIMATE.start_main_~i~4 354), 193685#(<= ULTIMATE.start_main_~i~4 356), 193690#(<= ULTIMATE.start_main_~i~4 366), 193691#(<= ULTIMATE.start_main_~i~4 368), 193688#(<= ULTIMATE.start_main_~i~4 362), 193689#(<= ULTIMATE.start_main_~i~4 364), 193694#(<= ULTIMATE.start_main_~i~4 374), 193695#(<= ULTIMATE.start_main_~i~4 376), 193692#(<= ULTIMATE.start_main_~i~4 370), 193693#(<= ULTIMATE.start_main_~i~4 372), 193698#(<= ULTIMATE.start_main_~i~4 382), 193699#(<= ULTIMATE.start_main_~i~4 384), 193696#(<= ULTIMATE.start_main_~i~4 378), 193697#(<= ULTIMATE.start_main_~i~4 380), 193702#(<= ULTIMATE.start_main_~i~4 390), 193703#(<= ULTIMATE.start_main_~i~4 392), 193700#(<= ULTIMATE.start_main_~i~4 386), 193701#(<= ULTIMATE.start_main_~i~4 388), 193706#(<= ULTIMATE.start_main_~i~4 398), 193707#(<= ULTIMATE.start_main_~i~4 400), 193704#(<= ULTIMATE.start_main_~i~4 394), 193705#(<= ULTIMATE.start_main_~i~4 396), 193710#(<= ULTIMATE.start_main_~i~4 406), 193711#(<= ULTIMATE.start_main_~i~4 408), 193708#(<= ULTIMATE.start_main_~i~4 402), 193709#(<= ULTIMATE.start_main_~i~4 404), 193506#false, 193507#(<= ULTIMATE.start_main_~i~4 0), 193505#true, 193510#(<= ULTIMATE.start_main_~i~4 6), 193511#(<= ULTIMATE.start_main_~i~4 8), 193508#(<= ULTIMATE.start_main_~i~4 2), 193509#(<= ULTIMATE.start_main_~i~4 4), 193514#(<= ULTIMATE.start_main_~i~4 14), 193515#(<= ULTIMATE.start_main_~i~4 16), 193512#(<= ULTIMATE.start_main_~i~4 10), 193513#(<= ULTIMATE.start_main_~i~4 12), 193518#(<= ULTIMATE.start_main_~i~4 22), 193519#(<= ULTIMATE.start_main_~i~4 24), 193516#(<= ULTIMATE.start_main_~i~4 18), 193517#(<= ULTIMATE.start_main_~i~4 20), 193522#(<= ULTIMATE.start_main_~i~4 30), 193523#(<= ULTIMATE.start_main_~i~4 32), 193520#(<= ULTIMATE.start_main_~i~4 26), 193521#(<= ULTIMATE.start_main_~i~4 28), 193526#(<= ULTIMATE.start_main_~i~4 38), 193527#(<= ULTIMATE.start_main_~i~4 40), 193524#(<= ULTIMATE.start_main_~i~4 34), 193525#(<= ULTIMATE.start_main_~i~4 36), 193530#(<= ULTIMATE.start_main_~i~4 46), 193531#(<= ULTIMATE.start_main_~i~4 48), 193528#(<= ULTIMATE.start_main_~i~4 42), 193529#(<= ULTIMATE.start_main_~i~4 44), 193534#(<= ULTIMATE.start_main_~i~4 54), 193535#(<= ULTIMATE.start_main_~i~4 56), 193532#(<= ULTIMATE.start_main_~i~4 50), 193533#(<= ULTIMATE.start_main_~i~4 52)] [2018-07-23 13:47:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 41820 backedges. 0 proven. 41820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:36,451 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:47:36,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:47:36,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:47:36,456 INFO L87 Difference]: Start difference. First operand 413 states and 413 transitions. Second operand 207 states. [2018-07-23 13:47:38,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:38,298 INFO L93 Difference]: Finished difference Result 417 states and 417 transitions. [2018-07-23 13:47:38,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:47:38,298 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 412 [2018-07-23 13:47:38,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:38,299 INFO L225 Difference]: With dead ends: 417 [2018-07-23 13:47:38,299 INFO L226 Difference]: Without dead ends: 415 [2018-07-23 13:47:38,301 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:47:38,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-07-23 13:47:38,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2018-07-23 13:47:38,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-07-23 13:47:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 415 transitions. [2018-07-23 13:47:38,306 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 415 transitions. Word has length 412 [2018-07-23 13:47:38,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:38,307 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 415 transitions. [2018-07-23 13:47:38,307 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:47:38,307 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 415 transitions. [2018-07-23 13:47:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-07-23 13:47:38,308 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:38,308 INFO L357 BasicCegarLoop]: trace histogram [206, 205, 1, 1, 1] [2018-07-23 13:47:38,308 INFO L414 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:38,308 INFO L82 PathProgramCache]: Analyzing trace with hash -298272071, now seen corresponding path program 205 times [2018-07-23 13:47:38,308 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 42230 backedges. 0 proven. 42230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:39,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:39,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:47:39,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:39,568 INFO L185 omatonBuilderFactory]: Interpolants [195378#(<= ULTIMATE.start_main_~i~4 0), 195379#(<= ULTIMATE.start_main_~i~4 2), 195376#true, 195377#false, 195382#(<= ULTIMATE.start_main_~i~4 8), 195383#(<= ULTIMATE.start_main_~i~4 10), 195380#(<= ULTIMATE.start_main_~i~4 4), 195381#(<= ULTIMATE.start_main_~i~4 6), 195386#(<= ULTIMATE.start_main_~i~4 16), 195387#(<= ULTIMATE.start_main_~i~4 18), 195384#(<= ULTIMATE.start_main_~i~4 12), 195385#(<= ULTIMATE.start_main_~i~4 14), 195390#(<= ULTIMATE.start_main_~i~4 24), 195391#(<= ULTIMATE.start_main_~i~4 26), 195388#(<= ULTIMATE.start_main_~i~4 20), 195389#(<= ULTIMATE.start_main_~i~4 22), 195394#(<= ULTIMATE.start_main_~i~4 32), 195395#(<= ULTIMATE.start_main_~i~4 34), 195392#(<= ULTIMATE.start_main_~i~4 28), 195393#(<= ULTIMATE.start_main_~i~4 30), 195398#(<= ULTIMATE.start_main_~i~4 40), 195399#(<= ULTIMATE.start_main_~i~4 42), 195396#(<= ULTIMATE.start_main_~i~4 36), 195397#(<= ULTIMATE.start_main_~i~4 38), 195402#(<= ULTIMATE.start_main_~i~4 48), 195403#(<= ULTIMATE.start_main_~i~4 50), 195400#(<= ULTIMATE.start_main_~i~4 44), 195401#(<= ULTIMATE.start_main_~i~4 46), 195406#(<= ULTIMATE.start_main_~i~4 56), 195407#(<= ULTIMATE.start_main_~i~4 58), 195404#(<= ULTIMATE.start_main_~i~4 52), 195405#(<= ULTIMATE.start_main_~i~4 54), 195410#(<= ULTIMATE.start_main_~i~4 64), 195411#(<= ULTIMATE.start_main_~i~4 66), 195408#(<= ULTIMATE.start_main_~i~4 60), 195409#(<= ULTIMATE.start_main_~i~4 62), 195414#(<= ULTIMATE.start_main_~i~4 72), 195415#(<= ULTIMATE.start_main_~i~4 74), 195412#(<= ULTIMATE.start_main_~i~4 68), 195413#(<= ULTIMATE.start_main_~i~4 70), 195418#(<= ULTIMATE.start_main_~i~4 80), 195419#(<= ULTIMATE.start_main_~i~4 82), 195416#(<= ULTIMATE.start_main_~i~4 76), 195417#(<= ULTIMATE.start_main_~i~4 78), 195422#(<= ULTIMATE.start_main_~i~4 88), 195423#(<= ULTIMATE.start_main_~i~4 90), 195420#(<= ULTIMATE.start_main_~i~4 84), 195421#(<= ULTIMATE.start_main_~i~4 86), 195426#(<= ULTIMATE.start_main_~i~4 96), 195427#(<= ULTIMATE.start_main_~i~4 98), 195424#(<= ULTIMATE.start_main_~i~4 92), 195425#(<= ULTIMATE.start_main_~i~4 94), 195430#(<= ULTIMATE.start_main_~i~4 104), 195431#(<= ULTIMATE.start_main_~i~4 106), 195428#(<= ULTIMATE.start_main_~i~4 100), 195429#(<= ULTIMATE.start_main_~i~4 102), 195434#(<= ULTIMATE.start_main_~i~4 112), 195435#(<= ULTIMATE.start_main_~i~4 114), 195432#(<= ULTIMATE.start_main_~i~4 108), 195433#(<= ULTIMATE.start_main_~i~4 110), 195438#(<= ULTIMATE.start_main_~i~4 120), 195439#(<= ULTIMATE.start_main_~i~4 122), 195436#(<= ULTIMATE.start_main_~i~4 116), 195437#(<= ULTIMATE.start_main_~i~4 118), 195442#(<= ULTIMATE.start_main_~i~4 128), 195443#(<= ULTIMATE.start_main_~i~4 130), 195440#(<= ULTIMATE.start_main_~i~4 124), 195441#(<= ULTIMATE.start_main_~i~4 126), 195446#(<= ULTIMATE.start_main_~i~4 136), 195447#(<= ULTIMATE.start_main_~i~4 138), 195444#(<= ULTIMATE.start_main_~i~4 132), 195445#(<= ULTIMATE.start_main_~i~4 134), 195450#(<= ULTIMATE.start_main_~i~4 144), 195451#(<= ULTIMATE.start_main_~i~4 146), 195448#(<= ULTIMATE.start_main_~i~4 140), 195449#(<= ULTIMATE.start_main_~i~4 142), 195454#(<= ULTIMATE.start_main_~i~4 152), 195455#(<= ULTIMATE.start_main_~i~4 154), 195452#(<= ULTIMATE.start_main_~i~4 148), 195453#(<= ULTIMATE.start_main_~i~4 150), 195458#(<= ULTIMATE.start_main_~i~4 160), 195459#(<= ULTIMATE.start_main_~i~4 162), 195456#(<= ULTIMATE.start_main_~i~4 156), 195457#(<= ULTIMATE.start_main_~i~4 158), 195462#(<= ULTIMATE.start_main_~i~4 168), 195463#(<= ULTIMATE.start_main_~i~4 170), 195460#(<= ULTIMATE.start_main_~i~4 164), 195461#(<= ULTIMATE.start_main_~i~4 166), 195466#(<= ULTIMATE.start_main_~i~4 176), 195467#(<= ULTIMATE.start_main_~i~4 178), 195464#(<= ULTIMATE.start_main_~i~4 172), 195465#(<= ULTIMATE.start_main_~i~4 174), 195470#(<= ULTIMATE.start_main_~i~4 184), 195471#(<= ULTIMATE.start_main_~i~4 186), 195468#(<= ULTIMATE.start_main_~i~4 180), 195469#(<= ULTIMATE.start_main_~i~4 182), 195474#(<= ULTIMATE.start_main_~i~4 192), 195475#(<= ULTIMATE.start_main_~i~4 194), 195472#(<= ULTIMATE.start_main_~i~4 188), 195473#(<= ULTIMATE.start_main_~i~4 190), 195478#(<= ULTIMATE.start_main_~i~4 200), 195479#(<= ULTIMATE.start_main_~i~4 202), 195476#(<= ULTIMATE.start_main_~i~4 196), 195477#(<= ULTIMATE.start_main_~i~4 198), 195482#(<= ULTIMATE.start_main_~i~4 208), 195483#(<= ULTIMATE.start_main_~i~4 210), 195480#(<= ULTIMATE.start_main_~i~4 204), 195481#(<= ULTIMATE.start_main_~i~4 206), 195486#(<= ULTIMATE.start_main_~i~4 216), 195487#(<= ULTIMATE.start_main_~i~4 218), 195484#(<= ULTIMATE.start_main_~i~4 212), 195485#(<= ULTIMATE.start_main_~i~4 214), 195490#(<= ULTIMATE.start_main_~i~4 224), 195491#(<= ULTIMATE.start_main_~i~4 226), 195488#(<= ULTIMATE.start_main_~i~4 220), 195489#(<= ULTIMATE.start_main_~i~4 222), 195494#(<= ULTIMATE.start_main_~i~4 232), 195495#(<= ULTIMATE.start_main_~i~4 234), 195492#(<= ULTIMATE.start_main_~i~4 228), 195493#(<= ULTIMATE.start_main_~i~4 230), 195498#(<= ULTIMATE.start_main_~i~4 240), 195499#(<= ULTIMATE.start_main_~i~4 242), 195496#(<= ULTIMATE.start_main_~i~4 236), 195497#(<= ULTIMATE.start_main_~i~4 238), 195502#(<= ULTIMATE.start_main_~i~4 248), 195503#(<= ULTIMATE.start_main_~i~4 250), 195500#(<= ULTIMATE.start_main_~i~4 244), 195501#(<= ULTIMATE.start_main_~i~4 246), 195506#(<= ULTIMATE.start_main_~i~4 256), 195507#(<= ULTIMATE.start_main_~i~4 258), 195504#(<= ULTIMATE.start_main_~i~4 252), 195505#(<= ULTIMATE.start_main_~i~4 254), 195510#(<= ULTIMATE.start_main_~i~4 264), 195511#(<= ULTIMATE.start_main_~i~4 266), 195508#(<= ULTIMATE.start_main_~i~4 260), 195509#(<= ULTIMATE.start_main_~i~4 262), 195514#(<= ULTIMATE.start_main_~i~4 272), 195515#(<= ULTIMATE.start_main_~i~4 274), 195512#(<= ULTIMATE.start_main_~i~4 268), 195513#(<= ULTIMATE.start_main_~i~4 270), 195518#(<= ULTIMATE.start_main_~i~4 280), 195519#(<= ULTIMATE.start_main_~i~4 282), 195516#(<= ULTIMATE.start_main_~i~4 276), 195517#(<= ULTIMATE.start_main_~i~4 278), 195522#(<= ULTIMATE.start_main_~i~4 288), 195523#(<= ULTIMATE.start_main_~i~4 290), 195520#(<= ULTIMATE.start_main_~i~4 284), 195521#(<= ULTIMATE.start_main_~i~4 286), 195526#(<= ULTIMATE.start_main_~i~4 296), 195527#(<= ULTIMATE.start_main_~i~4 298), 195524#(<= ULTIMATE.start_main_~i~4 292), 195525#(<= ULTIMATE.start_main_~i~4 294), 195530#(<= ULTIMATE.start_main_~i~4 304), 195531#(<= ULTIMATE.start_main_~i~4 306), 195528#(<= ULTIMATE.start_main_~i~4 300), 195529#(<= ULTIMATE.start_main_~i~4 302), 195534#(<= ULTIMATE.start_main_~i~4 312), 195535#(<= ULTIMATE.start_main_~i~4 314), 195532#(<= ULTIMATE.start_main_~i~4 308), 195533#(<= ULTIMATE.start_main_~i~4 310), 195538#(<= ULTIMATE.start_main_~i~4 320), 195539#(<= ULTIMATE.start_main_~i~4 322), 195536#(<= ULTIMATE.start_main_~i~4 316), 195537#(<= ULTIMATE.start_main_~i~4 318), 195542#(<= ULTIMATE.start_main_~i~4 328), 195543#(<= ULTIMATE.start_main_~i~4 330), 195540#(<= ULTIMATE.start_main_~i~4 324), 195541#(<= ULTIMATE.start_main_~i~4 326), 195546#(<= ULTIMATE.start_main_~i~4 336), 195547#(<= ULTIMATE.start_main_~i~4 338), 195544#(<= ULTIMATE.start_main_~i~4 332), 195545#(<= ULTIMATE.start_main_~i~4 334), 195550#(<= ULTIMATE.start_main_~i~4 344), 195551#(<= ULTIMATE.start_main_~i~4 346), 195548#(<= ULTIMATE.start_main_~i~4 340), 195549#(<= ULTIMATE.start_main_~i~4 342), 195554#(<= ULTIMATE.start_main_~i~4 352), 195555#(<= ULTIMATE.start_main_~i~4 354), 195552#(<= ULTIMATE.start_main_~i~4 348), 195553#(<= ULTIMATE.start_main_~i~4 350), 195558#(<= ULTIMATE.start_main_~i~4 360), 195559#(<= ULTIMATE.start_main_~i~4 362), 195556#(<= ULTIMATE.start_main_~i~4 356), 195557#(<= ULTIMATE.start_main_~i~4 358), 195562#(<= ULTIMATE.start_main_~i~4 368), 195563#(<= ULTIMATE.start_main_~i~4 370), 195560#(<= ULTIMATE.start_main_~i~4 364), 195561#(<= ULTIMATE.start_main_~i~4 366), 195566#(<= ULTIMATE.start_main_~i~4 376), 195567#(<= ULTIMATE.start_main_~i~4 378), 195564#(<= ULTIMATE.start_main_~i~4 372), 195565#(<= ULTIMATE.start_main_~i~4 374), 195570#(<= ULTIMATE.start_main_~i~4 384), 195571#(<= ULTIMATE.start_main_~i~4 386), 195568#(<= ULTIMATE.start_main_~i~4 380), 195569#(<= ULTIMATE.start_main_~i~4 382), 195574#(<= ULTIMATE.start_main_~i~4 392), 195575#(<= ULTIMATE.start_main_~i~4 394), 195572#(<= ULTIMATE.start_main_~i~4 388), 195573#(<= ULTIMATE.start_main_~i~4 390), 195578#(<= ULTIMATE.start_main_~i~4 400), 195579#(<= ULTIMATE.start_main_~i~4 402), 195576#(<= ULTIMATE.start_main_~i~4 396), 195577#(<= ULTIMATE.start_main_~i~4 398), 195582#(<= ULTIMATE.start_main_~i~4 408), 195583#(<= ULTIMATE.start_main_~i~4 410), 195580#(<= ULTIMATE.start_main_~i~4 404), 195581#(<= ULTIMATE.start_main_~i~4 406)] [2018-07-23 13:47:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 42230 backedges. 0 proven. 42230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:39,570 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:47:39,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:47:39,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:47:39,576 INFO L87 Difference]: Start difference. First operand 415 states and 415 transitions. Second operand 208 states. [2018-07-23 13:47:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:41,402 INFO L93 Difference]: Finished difference Result 419 states and 419 transitions. [2018-07-23 13:47:41,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:47:41,402 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 414 [2018-07-23 13:47:41,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:41,403 INFO L225 Difference]: With dead ends: 419 [2018-07-23 13:47:41,403 INFO L226 Difference]: Without dead ends: 417 [2018-07-23 13:47:41,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:47:41,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-07-23 13:47:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2018-07-23 13:47:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-07-23 13:47:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 417 transitions. [2018-07-23 13:47:41,407 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 417 transitions. Word has length 414 [2018-07-23 13:47:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:41,408 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 417 transitions. [2018-07-23 13:47:41,408 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:47:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 417 transitions. [2018-07-23 13:47:41,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-07-23 13:47:41,409 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:41,409 INFO L357 BasicCegarLoop]: trace histogram [207, 206, 1, 1, 1] [2018-07-23 13:47:41,409 INFO L414 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:41,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1123400691, now seen corresponding path program 206 times [2018-07-23 13:47:41,409 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 42642 backedges. 0 proven. 42642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:42,633 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:42,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:47:42,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:42,634 INFO L185 omatonBuilderFactory]: Interpolants [197259#(<= ULTIMATE.start_main_~i~4 2), 197258#(<= ULTIMATE.start_main_~i~4 0), 197257#false, 197256#true, 197263#(<= ULTIMATE.start_main_~i~4 10), 197262#(<= ULTIMATE.start_main_~i~4 8), 197261#(<= ULTIMATE.start_main_~i~4 6), 197260#(<= ULTIMATE.start_main_~i~4 4), 197267#(<= ULTIMATE.start_main_~i~4 18), 197266#(<= ULTIMATE.start_main_~i~4 16), 197265#(<= ULTIMATE.start_main_~i~4 14), 197264#(<= ULTIMATE.start_main_~i~4 12), 197271#(<= ULTIMATE.start_main_~i~4 26), 197270#(<= ULTIMATE.start_main_~i~4 24), 197269#(<= ULTIMATE.start_main_~i~4 22), 197268#(<= ULTIMATE.start_main_~i~4 20), 197275#(<= ULTIMATE.start_main_~i~4 34), 197274#(<= ULTIMATE.start_main_~i~4 32), 197273#(<= ULTIMATE.start_main_~i~4 30), 197272#(<= ULTIMATE.start_main_~i~4 28), 197279#(<= ULTIMATE.start_main_~i~4 42), 197278#(<= ULTIMATE.start_main_~i~4 40), 197277#(<= ULTIMATE.start_main_~i~4 38), 197276#(<= ULTIMATE.start_main_~i~4 36), 197283#(<= ULTIMATE.start_main_~i~4 50), 197282#(<= ULTIMATE.start_main_~i~4 48), 197281#(<= ULTIMATE.start_main_~i~4 46), 197280#(<= ULTIMATE.start_main_~i~4 44), 197287#(<= ULTIMATE.start_main_~i~4 58), 197286#(<= ULTIMATE.start_main_~i~4 56), 197285#(<= ULTIMATE.start_main_~i~4 54), 197284#(<= ULTIMATE.start_main_~i~4 52), 197291#(<= ULTIMATE.start_main_~i~4 66), 197290#(<= ULTIMATE.start_main_~i~4 64), 197289#(<= ULTIMATE.start_main_~i~4 62), 197288#(<= ULTIMATE.start_main_~i~4 60), 197295#(<= ULTIMATE.start_main_~i~4 74), 197294#(<= ULTIMATE.start_main_~i~4 72), 197293#(<= ULTIMATE.start_main_~i~4 70), 197292#(<= ULTIMATE.start_main_~i~4 68), 197299#(<= ULTIMATE.start_main_~i~4 82), 197298#(<= ULTIMATE.start_main_~i~4 80), 197297#(<= ULTIMATE.start_main_~i~4 78), 197296#(<= ULTIMATE.start_main_~i~4 76), 197303#(<= ULTIMATE.start_main_~i~4 90), 197302#(<= ULTIMATE.start_main_~i~4 88), 197301#(<= ULTIMATE.start_main_~i~4 86), 197300#(<= ULTIMATE.start_main_~i~4 84), 197307#(<= ULTIMATE.start_main_~i~4 98), 197306#(<= ULTIMATE.start_main_~i~4 96), 197305#(<= ULTIMATE.start_main_~i~4 94), 197304#(<= ULTIMATE.start_main_~i~4 92), 197311#(<= ULTIMATE.start_main_~i~4 106), 197310#(<= ULTIMATE.start_main_~i~4 104), 197309#(<= ULTIMATE.start_main_~i~4 102), 197308#(<= ULTIMATE.start_main_~i~4 100), 197315#(<= ULTIMATE.start_main_~i~4 114), 197314#(<= ULTIMATE.start_main_~i~4 112), 197313#(<= ULTIMATE.start_main_~i~4 110), 197312#(<= ULTIMATE.start_main_~i~4 108), 197319#(<= ULTIMATE.start_main_~i~4 122), 197318#(<= ULTIMATE.start_main_~i~4 120), 197317#(<= ULTIMATE.start_main_~i~4 118), 197316#(<= ULTIMATE.start_main_~i~4 116), 197323#(<= ULTIMATE.start_main_~i~4 130), 197322#(<= ULTIMATE.start_main_~i~4 128), 197321#(<= ULTIMATE.start_main_~i~4 126), 197320#(<= ULTIMATE.start_main_~i~4 124), 197327#(<= ULTIMATE.start_main_~i~4 138), 197326#(<= ULTIMATE.start_main_~i~4 136), 197325#(<= ULTIMATE.start_main_~i~4 134), 197324#(<= ULTIMATE.start_main_~i~4 132), 197331#(<= ULTIMATE.start_main_~i~4 146), 197330#(<= ULTIMATE.start_main_~i~4 144), 197329#(<= ULTIMATE.start_main_~i~4 142), 197328#(<= ULTIMATE.start_main_~i~4 140), 197335#(<= ULTIMATE.start_main_~i~4 154), 197334#(<= ULTIMATE.start_main_~i~4 152), 197333#(<= ULTIMATE.start_main_~i~4 150), 197332#(<= ULTIMATE.start_main_~i~4 148), 197339#(<= ULTIMATE.start_main_~i~4 162), 197338#(<= ULTIMATE.start_main_~i~4 160), 197337#(<= ULTIMATE.start_main_~i~4 158), 197336#(<= ULTIMATE.start_main_~i~4 156), 197343#(<= ULTIMATE.start_main_~i~4 170), 197342#(<= ULTIMATE.start_main_~i~4 168), 197341#(<= ULTIMATE.start_main_~i~4 166), 197340#(<= ULTIMATE.start_main_~i~4 164), 197347#(<= ULTIMATE.start_main_~i~4 178), 197346#(<= ULTIMATE.start_main_~i~4 176), 197345#(<= ULTIMATE.start_main_~i~4 174), 197344#(<= ULTIMATE.start_main_~i~4 172), 197351#(<= ULTIMATE.start_main_~i~4 186), 197350#(<= ULTIMATE.start_main_~i~4 184), 197349#(<= ULTIMATE.start_main_~i~4 182), 197348#(<= ULTIMATE.start_main_~i~4 180), 197355#(<= ULTIMATE.start_main_~i~4 194), 197354#(<= ULTIMATE.start_main_~i~4 192), 197353#(<= ULTIMATE.start_main_~i~4 190), 197352#(<= ULTIMATE.start_main_~i~4 188), 197359#(<= ULTIMATE.start_main_~i~4 202), 197358#(<= ULTIMATE.start_main_~i~4 200), 197357#(<= ULTIMATE.start_main_~i~4 198), 197356#(<= ULTIMATE.start_main_~i~4 196), 197363#(<= ULTIMATE.start_main_~i~4 210), 197362#(<= ULTIMATE.start_main_~i~4 208), 197361#(<= ULTIMATE.start_main_~i~4 206), 197360#(<= ULTIMATE.start_main_~i~4 204), 197367#(<= ULTIMATE.start_main_~i~4 218), 197366#(<= ULTIMATE.start_main_~i~4 216), 197365#(<= ULTIMATE.start_main_~i~4 214), 197364#(<= ULTIMATE.start_main_~i~4 212), 197371#(<= ULTIMATE.start_main_~i~4 226), 197370#(<= ULTIMATE.start_main_~i~4 224), 197369#(<= ULTIMATE.start_main_~i~4 222), 197368#(<= ULTIMATE.start_main_~i~4 220), 197375#(<= ULTIMATE.start_main_~i~4 234), 197374#(<= ULTIMATE.start_main_~i~4 232), 197373#(<= ULTIMATE.start_main_~i~4 230), 197372#(<= ULTIMATE.start_main_~i~4 228), 197379#(<= ULTIMATE.start_main_~i~4 242), 197378#(<= ULTIMATE.start_main_~i~4 240), 197377#(<= ULTIMATE.start_main_~i~4 238), 197376#(<= ULTIMATE.start_main_~i~4 236), 197383#(<= ULTIMATE.start_main_~i~4 250), 197382#(<= ULTIMATE.start_main_~i~4 248), 197381#(<= ULTIMATE.start_main_~i~4 246), 197380#(<= ULTIMATE.start_main_~i~4 244), 197387#(<= ULTIMATE.start_main_~i~4 258), 197386#(<= ULTIMATE.start_main_~i~4 256), 197385#(<= ULTIMATE.start_main_~i~4 254), 197384#(<= ULTIMATE.start_main_~i~4 252), 197391#(<= ULTIMATE.start_main_~i~4 266), 197390#(<= ULTIMATE.start_main_~i~4 264), 197389#(<= ULTIMATE.start_main_~i~4 262), 197388#(<= ULTIMATE.start_main_~i~4 260), 197395#(<= ULTIMATE.start_main_~i~4 274), 197394#(<= ULTIMATE.start_main_~i~4 272), 197393#(<= ULTIMATE.start_main_~i~4 270), 197392#(<= ULTIMATE.start_main_~i~4 268), 197399#(<= ULTIMATE.start_main_~i~4 282), 197398#(<= ULTIMATE.start_main_~i~4 280), 197397#(<= ULTIMATE.start_main_~i~4 278), 197396#(<= ULTIMATE.start_main_~i~4 276), 197403#(<= ULTIMATE.start_main_~i~4 290), 197402#(<= ULTIMATE.start_main_~i~4 288), 197401#(<= ULTIMATE.start_main_~i~4 286), 197400#(<= ULTIMATE.start_main_~i~4 284), 197407#(<= ULTIMATE.start_main_~i~4 298), 197406#(<= ULTIMATE.start_main_~i~4 296), 197405#(<= ULTIMATE.start_main_~i~4 294), 197404#(<= ULTIMATE.start_main_~i~4 292), 197411#(<= ULTIMATE.start_main_~i~4 306), 197410#(<= ULTIMATE.start_main_~i~4 304), 197409#(<= ULTIMATE.start_main_~i~4 302), 197408#(<= ULTIMATE.start_main_~i~4 300), 197415#(<= ULTIMATE.start_main_~i~4 314), 197414#(<= ULTIMATE.start_main_~i~4 312), 197413#(<= ULTIMATE.start_main_~i~4 310), 197412#(<= ULTIMATE.start_main_~i~4 308), 197419#(<= ULTIMATE.start_main_~i~4 322), 197418#(<= ULTIMATE.start_main_~i~4 320), 197417#(<= ULTIMATE.start_main_~i~4 318), 197416#(<= ULTIMATE.start_main_~i~4 316), 197423#(<= ULTIMATE.start_main_~i~4 330), 197422#(<= ULTIMATE.start_main_~i~4 328), 197421#(<= ULTIMATE.start_main_~i~4 326), 197420#(<= ULTIMATE.start_main_~i~4 324), 197427#(<= ULTIMATE.start_main_~i~4 338), 197426#(<= ULTIMATE.start_main_~i~4 336), 197425#(<= ULTIMATE.start_main_~i~4 334), 197424#(<= ULTIMATE.start_main_~i~4 332), 197431#(<= ULTIMATE.start_main_~i~4 346), 197430#(<= ULTIMATE.start_main_~i~4 344), 197429#(<= ULTIMATE.start_main_~i~4 342), 197428#(<= ULTIMATE.start_main_~i~4 340), 197435#(<= ULTIMATE.start_main_~i~4 354), 197434#(<= ULTIMATE.start_main_~i~4 352), 197433#(<= ULTIMATE.start_main_~i~4 350), 197432#(<= ULTIMATE.start_main_~i~4 348), 197439#(<= ULTIMATE.start_main_~i~4 362), 197438#(<= ULTIMATE.start_main_~i~4 360), 197437#(<= ULTIMATE.start_main_~i~4 358), 197436#(<= ULTIMATE.start_main_~i~4 356), 197443#(<= ULTIMATE.start_main_~i~4 370), 197442#(<= ULTIMATE.start_main_~i~4 368), 197441#(<= ULTIMATE.start_main_~i~4 366), 197440#(<= ULTIMATE.start_main_~i~4 364), 197447#(<= ULTIMATE.start_main_~i~4 378), 197446#(<= ULTIMATE.start_main_~i~4 376), 197445#(<= ULTIMATE.start_main_~i~4 374), 197444#(<= ULTIMATE.start_main_~i~4 372), 197451#(<= ULTIMATE.start_main_~i~4 386), 197450#(<= ULTIMATE.start_main_~i~4 384), 197449#(<= ULTIMATE.start_main_~i~4 382), 197448#(<= ULTIMATE.start_main_~i~4 380), 197455#(<= ULTIMATE.start_main_~i~4 394), 197454#(<= ULTIMATE.start_main_~i~4 392), 197453#(<= ULTIMATE.start_main_~i~4 390), 197452#(<= ULTIMATE.start_main_~i~4 388), 197459#(<= ULTIMATE.start_main_~i~4 402), 197458#(<= ULTIMATE.start_main_~i~4 400), 197457#(<= ULTIMATE.start_main_~i~4 398), 197456#(<= ULTIMATE.start_main_~i~4 396), 197463#(<= ULTIMATE.start_main_~i~4 410), 197462#(<= ULTIMATE.start_main_~i~4 408), 197461#(<= ULTIMATE.start_main_~i~4 406), 197460#(<= ULTIMATE.start_main_~i~4 404), 197464#(<= ULTIMATE.start_main_~i~4 412)] [2018-07-23 13:47:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 42642 backedges. 0 proven. 42642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:42,636 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:47:42,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:47:42,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:47:42,640 INFO L87 Difference]: Start difference. First operand 417 states and 417 transitions. Second operand 209 states. [2018-07-23 13:47:43,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:43,623 INFO L93 Difference]: Finished difference Result 421 states and 421 transitions. [2018-07-23 13:47:43,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:47:43,623 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 416 [2018-07-23 13:47:43,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:43,624 INFO L225 Difference]: With dead ends: 421 [2018-07-23 13:47:43,624 INFO L226 Difference]: Without dead ends: 419 [2018-07-23 13:47:43,626 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:47:43,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-07-23 13:47:43,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2018-07-23 13:47:43,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-07-23 13:47:43,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 419 transitions. [2018-07-23 13:47:43,630 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 419 transitions. Word has length 416 [2018-07-23 13:47:43,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:43,630 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 419 transitions. [2018-07-23 13:47:43,630 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:47:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 419 transitions. [2018-07-23 13:47:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-07-23 13:47:43,631 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:43,631 INFO L357 BasicCegarLoop]: trace histogram [208, 207, 1, 1, 1] [2018-07-23 13:47:43,632 INFO L414 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:43,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1551324845, now seen corresponding path program 207 times [2018-07-23 13:47:43,632 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 43056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:44,935 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:44,935 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:47:44,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:44,936 INFO L185 omatonBuilderFactory]: Interpolants [199171#(<= ULTIMATE.start_main_~i~4 48), 199170#(<= ULTIMATE.start_main_~i~4 46), 199169#(<= ULTIMATE.start_main_~i~4 44), 199168#(<= ULTIMATE.start_main_~i~4 42), 199175#(<= ULTIMATE.start_main_~i~4 56), 199174#(<= ULTIMATE.start_main_~i~4 54), 199173#(<= ULTIMATE.start_main_~i~4 52), 199172#(<= ULTIMATE.start_main_~i~4 50), 199179#(<= ULTIMATE.start_main_~i~4 64), 199178#(<= ULTIMATE.start_main_~i~4 62), 199177#(<= ULTIMATE.start_main_~i~4 60), 199176#(<= ULTIMATE.start_main_~i~4 58), 199183#(<= ULTIMATE.start_main_~i~4 72), 199182#(<= ULTIMATE.start_main_~i~4 70), 199181#(<= ULTIMATE.start_main_~i~4 68), 199180#(<= ULTIMATE.start_main_~i~4 66), 199187#(<= ULTIMATE.start_main_~i~4 80), 199186#(<= ULTIMATE.start_main_~i~4 78), 199185#(<= ULTIMATE.start_main_~i~4 76), 199184#(<= ULTIMATE.start_main_~i~4 74), 199191#(<= ULTIMATE.start_main_~i~4 88), 199190#(<= ULTIMATE.start_main_~i~4 86), 199189#(<= ULTIMATE.start_main_~i~4 84), 199188#(<= ULTIMATE.start_main_~i~4 82), 199195#(<= ULTIMATE.start_main_~i~4 96), 199194#(<= ULTIMATE.start_main_~i~4 94), 199193#(<= ULTIMATE.start_main_~i~4 92), 199192#(<= ULTIMATE.start_main_~i~4 90), 199199#(<= ULTIMATE.start_main_~i~4 104), 199198#(<= ULTIMATE.start_main_~i~4 102), 199197#(<= ULTIMATE.start_main_~i~4 100), 199196#(<= ULTIMATE.start_main_~i~4 98), 199203#(<= ULTIMATE.start_main_~i~4 112), 199202#(<= ULTIMATE.start_main_~i~4 110), 199201#(<= ULTIMATE.start_main_~i~4 108), 199200#(<= ULTIMATE.start_main_~i~4 106), 199207#(<= ULTIMATE.start_main_~i~4 120), 199206#(<= ULTIMATE.start_main_~i~4 118), 199205#(<= ULTIMATE.start_main_~i~4 116), 199204#(<= ULTIMATE.start_main_~i~4 114), 199211#(<= ULTIMATE.start_main_~i~4 128), 199210#(<= ULTIMATE.start_main_~i~4 126), 199209#(<= ULTIMATE.start_main_~i~4 124), 199208#(<= ULTIMATE.start_main_~i~4 122), 199215#(<= ULTIMATE.start_main_~i~4 136), 199214#(<= ULTIMATE.start_main_~i~4 134), 199213#(<= ULTIMATE.start_main_~i~4 132), 199212#(<= ULTIMATE.start_main_~i~4 130), 199219#(<= ULTIMATE.start_main_~i~4 144), 199218#(<= ULTIMATE.start_main_~i~4 142), 199217#(<= ULTIMATE.start_main_~i~4 140), 199216#(<= ULTIMATE.start_main_~i~4 138), 199223#(<= ULTIMATE.start_main_~i~4 152), 199222#(<= ULTIMATE.start_main_~i~4 150), 199221#(<= ULTIMATE.start_main_~i~4 148), 199220#(<= ULTIMATE.start_main_~i~4 146), 199227#(<= ULTIMATE.start_main_~i~4 160), 199226#(<= ULTIMATE.start_main_~i~4 158), 199225#(<= ULTIMATE.start_main_~i~4 156), 199224#(<= ULTIMATE.start_main_~i~4 154), 199231#(<= ULTIMATE.start_main_~i~4 168), 199230#(<= ULTIMATE.start_main_~i~4 166), 199229#(<= ULTIMATE.start_main_~i~4 164), 199228#(<= ULTIMATE.start_main_~i~4 162), 199235#(<= ULTIMATE.start_main_~i~4 176), 199234#(<= ULTIMATE.start_main_~i~4 174), 199233#(<= ULTIMATE.start_main_~i~4 172), 199232#(<= ULTIMATE.start_main_~i~4 170), 199239#(<= ULTIMATE.start_main_~i~4 184), 199238#(<= ULTIMATE.start_main_~i~4 182), 199237#(<= ULTIMATE.start_main_~i~4 180), 199236#(<= ULTIMATE.start_main_~i~4 178), 199243#(<= ULTIMATE.start_main_~i~4 192), 199242#(<= ULTIMATE.start_main_~i~4 190), 199241#(<= ULTIMATE.start_main_~i~4 188), 199240#(<= ULTIMATE.start_main_~i~4 186), 199247#(<= ULTIMATE.start_main_~i~4 200), 199246#(<= ULTIMATE.start_main_~i~4 198), 199245#(<= ULTIMATE.start_main_~i~4 196), 199244#(<= ULTIMATE.start_main_~i~4 194), 199251#(<= ULTIMATE.start_main_~i~4 208), 199250#(<= ULTIMATE.start_main_~i~4 206), 199249#(<= ULTIMATE.start_main_~i~4 204), 199248#(<= ULTIMATE.start_main_~i~4 202), 199255#(<= ULTIMATE.start_main_~i~4 216), 199254#(<= ULTIMATE.start_main_~i~4 214), 199253#(<= ULTIMATE.start_main_~i~4 212), 199252#(<= ULTIMATE.start_main_~i~4 210), 199259#(<= ULTIMATE.start_main_~i~4 224), 199258#(<= ULTIMATE.start_main_~i~4 222), 199257#(<= ULTIMATE.start_main_~i~4 220), 199256#(<= ULTIMATE.start_main_~i~4 218), 199263#(<= ULTIMATE.start_main_~i~4 232), 199262#(<= ULTIMATE.start_main_~i~4 230), 199261#(<= ULTIMATE.start_main_~i~4 228), 199260#(<= ULTIMATE.start_main_~i~4 226), 199267#(<= ULTIMATE.start_main_~i~4 240), 199266#(<= ULTIMATE.start_main_~i~4 238), 199265#(<= ULTIMATE.start_main_~i~4 236), 199264#(<= ULTIMATE.start_main_~i~4 234), 199271#(<= ULTIMATE.start_main_~i~4 248), 199270#(<= ULTIMATE.start_main_~i~4 246), 199269#(<= ULTIMATE.start_main_~i~4 244), 199268#(<= ULTIMATE.start_main_~i~4 242), 199275#(<= ULTIMATE.start_main_~i~4 256), 199274#(<= ULTIMATE.start_main_~i~4 254), 199273#(<= ULTIMATE.start_main_~i~4 252), 199272#(<= ULTIMATE.start_main_~i~4 250), 199279#(<= ULTIMATE.start_main_~i~4 264), 199278#(<= ULTIMATE.start_main_~i~4 262), 199277#(<= ULTIMATE.start_main_~i~4 260), 199276#(<= ULTIMATE.start_main_~i~4 258), 199283#(<= ULTIMATE.start_main_~i~4 272), 199282#(<= ULTIMATE.start_main_~i~4 270), 199281#(<= ULTIMATE.start_main_~i~4 268), 199280#(<= ULTIMATE.start_main_~i~4 266), 199287#(<= ULTIMATE.start_main_~i~4 280), 199286#(<= ULTIMATE.start_main_~i~4 278), 199285#(<= ULTIMATE.start_main_~i~4 276), 199284#(<= ULTIMATE.start_main_~i~4 274), 199291#(<= ULTIMATE.start_main_~i~4 288), 199290#(<= ULTIMATE.start_main_~i~4 286), 199289#(<= ULTIMATE.start_main_~i~4 284), 199288#(<= ULTIMATE.start_main_~i~4 282), 199295#(<= ULTIMATE.start_main_~i~4 296), 199294#(<= ULTIMATE.start_main_~i~4 294), 199293#(<= ULTIMATE.start_main_~i~4 292), 199292#(<= ULTIMATE.start_main_~i~4 290), 199299#(<= ULTIMATE.start_main_~i~4 304), 199298#(<= ULTIMATE.start_main_~i~4 302), 199297#(<= ULTIMATE.start_main_~i~4 300), 199296#(<= ULTIMATE.start_main_~i~4 298), 199303#(<= ULTIMATE.start_main_~i~4 312), 199302#(<= ULTIMATE.start_main_~i~4 310), 199301#(<= ULTIMATE.start_main_~i~4 308), 199300#(<= ULTIMATE.start_main_~i~4 306), 199307#(<= ULTIMATE.start_main_~i~4 320), 199306#(<= ULTIMATE.start_main_~i~4 318), 199305#(<= ULTIMATE.start_main_~i~4 316), 199304#(<= ULTIMATE.start_main_~i~4 314), 199311#(<= ULTIMATE.start_main_~i~4 328), 199310#(<= ULTIMATE.start_main_~i~4 326), 199309#(<= ULTIMATE.start_main_~i~4 324), 199308#(<= ULTIMATE.start_main_~i~4 322), 199315#(<= ULTIMATE.start_main_~i~4 336), 199314#(<= ULTIMATE.start_main_~i~4 334), 199313#(<= ULTIMATE.start_main_~i~4 332), 199312#(<= ULTIMATE.start_main_~i~4 330), 199319#(<= ULTIMATE.start_main_~i~4 344), 199318#(<= ULTIMATE.start_main_~i~4 342), 199317#(<= ULTIMATE.start_main_~i~4 340), 199316#(<= ULTIMATE.start_main_~i~4 338), 199323#(<= ULTIMATE.start_main_~i~4 352), 199322#(<= ULTIMATE.start_main_~i~4 350), 199321#(<= ULTIMATE.start_main_~i~4 348), 199320#(<= ULTIMATE.start_main_~i~4 346), 199327#(<= ULTIMATE.start_main_~i~4 360), 199326#(<= ULTIMATE.start_main_~i~4 358), 199325#(<= ULTIMATE.start_main_~i~4 356), 199324#(<= ULTIMATE.start_main_~i~4 354), 199331#(<= ULTIMATE.start_main_~i~4 368), 199330#(<= ULTIMATE.start_main_~i~4 366), 199329#(<= ULTIMATE.start_main_~i~4 364), 199328#(<= ULTIMATE.start_main_~i~4 362), 199335#(<= ULTIMATE.start_main_~i~4 376), 199334#(<= ULTIMATE.start_main_~i~4 374), 199333#(<= ULTIMATE.start_main_~i~4 372), 199332#(<= ULTIMATE.start_main_~i~4 370), 199339#(<= ULTIMATE.start_main_~i~4 384), 199338#(<= ULTIMATE.start_main_~i~4 382), 199337#(<= ULTIMATE.start_main_~i~4 380), 199336#(<= ULTIMATE.start_main_~i~4 378), 199343#(<= ULTIMATE.start_main_~i~4 392), 199342#(<= ULTIMATE.start_main_~i~4 390), 199341#(<= ULTIMATE.start_main_~i~4 388), 199340#(<= ULTIMATE.start_main_~i~4 386), 199347#(<= ULTIMATE.start_main_~i~4 400), 199346#(<= ULTIMATE.start_main_~i~4 398), 199345#(<= ULTIMATE.start_main_~i~4 396), 199344#(<= ULTIMATE.start_main_~i~4 394), 199351#(<= ULTIMATE.start_main_~i~4 408), 199350#(<= ULTIMATE.start_main_~i~4 406), 199349#(<= ULTIMATE.start_main_~i~4 404), 199348#(<= ULTIMATE.start_main_~i~4 402), 199354#(<= ULTIMATE.start_main_~i~4 414), 199353#(<= ULTIMATE.start_main_~i~4 412), 199352#(<= ULTIMATE.start_main_~i~4 410), 199147#(<= ULTIMATE.start_main_~i~4 0), 199146#false, 199145#true, 199151#(<= ULTIMATE.start_main_~i~4 8), 199150#(<= ULTIMATE.start_main_~i~4 6), 199149#(<= ULTIMATE.start_main_~i~4 4), 199148#(<= ULTIMATE.start_main_~i~4 2), 199155#(<= ULTIMATE.start_main_~i~4 16), 199154#(<= ULTIMATE.start_main_~i~4 14), 199153#(<= ULTIMATE.start_main_~i~4 12), 199152#(<= ULTIMATE.start_main_~i~4 10), 199159#(<= ULTIMATE.start_main_~i~4 24), 199158#(<= ULTIMATE.start_main_~i~4 22), 199157#(<= ULTIMATE.start_main_~i~4 20), 199156#(<= ULTIMATE.start_main_~i~4 18), 199163#(<= ULTIMATE.start_main_~i~4 32), 199162#(<= ULTIMATE.start_main_~i~4 30), 199161#(<= ULTIMATE.start_main_~i~4 28), 199160#(<= ULTIMATE.start_main_~i~4 26), 199167#(<= ULTIMATE.start_main_~i~4 40), 199166#(<= ULTIMATE.start_main_~i~4 38), 199165#(<= ULTIMATE.start_main_~i~4 36), 199164#(<= ULTIMATE.start_main_~i~4 34)] [2018-07-23 13:47:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 43056 backedges. 0 proven. 43056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:44,938 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:47:44,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:47:44,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:47:44,941 INFO L87 Difference]: Start difference. First operand 419 states and 419 transitions. Second operand 210 states. [2018-07-23 13:47:46,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:46,952 INFO L93 Difference]: Finished difference Result 423 states and 423 transitions. [2018-07-23 13:47:46,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:47:46,953 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 418 [2018-07-23 13:47:46,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:46,953 INFO L225 Difference]: With dead ends: 423 [2018-07-23 13:47:46,953 INFO L226 Difference]: Without dead ends: 421 [2018-07-23 13:47:46,954 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:47:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-07-23 13:47:46,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2018-07-23 13:47:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-07-23 13:47:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 421 transitions. [2018-07-23 13:47:46,958 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 421 transitions. Word has length 418 [2018-07-23 13:47:46,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:46,958 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 421 transitions. [2018-07-23 13:47:46,958 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:47:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 421 transitions. [2018-07-23 13:47:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-07-23 13:47:46,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:46,960 INFO L357 BasicCegarLoop]: trace histogram [209, 208, 1, 1, 1] [2018-07-23 13:47:46,960 INFO L414 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:46,960 INFO L82 PathProgramCache]: Analyzing trace with hash 469576423, now seen corresponding path program 208 times [2018-07-23 13:47:46,960 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 43472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:48,411 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:48,411 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:47:48,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:48,412 INFO L185 omatonBuilderFactory]: Interpolants [201219#(<= ULTIMATE.start_main_~i~4 348), 201218#(<= ULTIMATE.start_main_~i~4 346), 201217#(<= ULTIMATE.start_main_~i~4 344), 201216#(<= ULTIMATE.start_main_~i~4 342), 201223#(<= ULTIMATE.start_main_~i~4 356), 201222#(<= ULTIMATE.start_main_~i~4 354), 201221#(<= ULTIMATE.start_main_~i~4 352), 201220#(<= ULTIMATE.start_main_~i~4 350), 201227#(<= ULTIMATE.start_main_~i~4 364), 201226#(<= ULTIMATE.start_main_~i~4 362), 201225#(<= ULTIMATE.start_main_~i~4 360), 201224#(<= ULTIMATE.start_main_~i~4 358), 201231#(<= ULTIMATE.start_main_~i~4 372), 201230#(<= ULTIMATE.start_main_~i~4 370), 201229#(<= ULTIMATE.start_main_~i~4 368), 201228#(<= ULTIMATE.start_main_~i~4 366), 201235#(<= ULTIMATE.start_main_~i~4 380), 201234#(<= ULTIMATE.start_main_~i~4 378), 201233#(<= ULTIMATE.start_main_~i~4 376), 201232#(<= ULTIMATE.start_main_~i~4 374), 201239#(<= ULTIMATE.start_main_~i~4 388), 201238#(<= ULTIMATE.start_main_~i~4 386), 201237#(<= ULTIMATE.start_main_~i~4 384), 201236#(<= ULTIMATE.start_main_~i~4 382), 201243#(<= ULTIMATE.start_main_~i~4 396), 201242#(<= ULTIMATE.start_main_~i~4 394), 201241#(<= ULTIMATE.start_main_~i~4 392), 201240#(<= ULTIMATE.start_main_~i~4 390), 201247#(<= ULTIMATE.start_main_~i~4 404), 201246#(<= ULTIMATE.start_main_~i~4 402), 201245#(<= ULTIMATE.start_main_~i~4 400), 201244#(<= ULTIMATE.start_main_~i~4 398), 201251#(<= ULTIMATE.start_main_~i~4 412), 201250#(<= ULTIMATE.start_main_~i~4 410), 201249#(<= ULTIMATE.start_main_~i~4 408), 201248#(<= ULTIMATE.start_main_~i~4 406), 201253#(<= ULTIMATE.start_main_~i~4 416), 201252#(<= ULTIMATE.start_main_~i~4 414), 201043#true, 201047#(<= ULTIMATE.start_main_~i~4 4), 201046#(<= ULTIMATE.start_main_~i~4 2), 201045#(<= ULTIMATE.start_main_~i~4 0), 201044#false, 201051#(<= ULTIMATE.start_main_~i~4 12), 201050#(<= ULTIMATE.start_main_~i~4 10), 201049#(<= ULTIMATE.start_main_~i~4 8), 201048#(<= ULTIMATE.start_main_~i~4 6), 201055#(<= ULTIMATE.start_main_~i~4 20), 201054#(<= ULTIMATE.start_main_~i~4 18), 201053#(<= ULTIMATE.start_main_~i~4 16), 201052#(<= ULTIMATE.start_main_~i~4 14), 201059#(<= ULTIMATE.start_main_~i~4 28), 201058#(<= ULTIMATE.start_main_~i~4 26), 201057#(<= ULTIMATE.start_main_~i~4 24), 201056#(<= ULTIMATE.start_main_~i~4 22), 201063#(<= ULTIMATE.start_main_~i~4 36), 201062#(<= ULTIMATE.start_main_~i~4 34), 201061#(<= ULTIMATE.start_main_~i~4 32), 201060#(<= ULTIMATE.start_main_~i~4 30), 201067#(<= ULTIMATE.start_main_~i~4 44), 201066#(<= ULTIMATE.start_main_~i~4 42), 201065#(<= ULTIMATE.start_main_~i~4 40), 201064#(<= ULTIMATE.start_main_~i~4 38), 201071#(<= ULTIMATE.start_main_~i~4 52), 201070#(<= ULTIMATE.start_main_~i~4 50), 201069#(<= ULTIMATE.start_main_~i~4 48), 201068#(<= ULTIMATE.start_main_~i~4 46), 201075#(<= ULTIMATE.start_main_~i~4 60), 201074#(<= ULTIMATE.start_main_~i~4 58), 201073#(<= ULTIMATE.start_main_~i~4 56), 201072#(<= ULTIMATE.start_main_~i~4 54), 201079#(<= ULTIMATE.start_main_~i~4 68), 201078#(<= ULTIMATE.start_main_~i~4 66), 201077#(<= ULTIMATE.start_main_~i~4 64), 201076#(<= ULTIMATE.start_main_~i~4 62), 201083#(<= ULTIMATE.start_main_~i~4 76), 201082#(<= ULTIMATE.start_main_~i~4 74), 201081#(<= ULTIMATE.start_main_~i~4 72), 201080#(<= ULTIMATE.start_main_~i~4 70), 201087#(<= ULTIMATE.start_main_~i~4 84), 201086#(<= ULTIMATE.start_main_~i~4 82), 201085#(<= ULTIMATE.start_main_~i~4 80), 201084#(<= ULTIMATE.start_main_~i~4 78), 201091#(<= ULTIMATE.start_main_~i~4 92), 201090#(<= ULTIMATE.start_main_~i~4 90), 201089#(<= ULTIMATE.start_main_~i~4 88), 201088#(<= ULTIMATE.start_main_~i~4 86), 201095#(<= ULTIMATE.start_main_~i~4 100), 201094#(<= ULTIMATE.start_main_~i~4 98), 201093#(<= ULTIMATE.start_main_~i~4 96), 201092#(<= ULTIMATE.start_main_~i~4 94), 201099#(<= ULTIMATE.start_main_~i~4 108), 201098#(<= ULTIMATE.start_main_~i~4 106), 201097#(<= ULTIMATE.start_main_~i~4 104), 201096#(<= ULTIMATE.start_main_~i~4 102), 201103#(<= ULTIMATE.start_main_~i~4 116), 201102#(<= ULTIMATE.start_main_~i~4 114), 201101#(<= ULTIMATE.start_main_~i~4 112), 201100#(<= ULTIMATE.start_main_~i~4 110), 201107#(<= ULTIMATE.start_main_~i~4 124), 201106#(<= ULTIMATE.start_main_~i~4 122), 201105#(<= ULTIMATE.start_main_~i~4 120), 201104#(<= ULTIMATE.start_main_~i~4 118), 201111#(<= ULTIMATE.start_main_~i~4 132), 201110#(<= ULTIMATE.start_main_~i~4 130), 201109#(<= ULTIMATE.start_main_~i~4 128), 201108#(<= ULTIMATE.start_main_~i~4 126), 201115#(<= ULTIMATE.start_main_~i~4 140), 201114#(<= ULTIMATE.start_main_~i~4 138), 201113#(<= ULTIMATE.start_main_~i~4 136), 201112#(<= ULTIMATE.start_main_~i~4 134), 201119#(<= ULTIMATE.start_main_~i~4 148), 201118#(<= ULTIMATE.start_main_~i~4 146), 201117#(<= ULTIMATE.start_main_~i~4 144), 201116#(<= ULTIMATE.start_main_~i~4 142), 201123#(<= ULTIMATE.start_main_~i~4 156), 201122#(<= ULTIMATE.start_main_~i~4 154), 201121#(<= ULTIMATE.start_main_~i~4 152), 201120#(<= ULTIMATE.start_main_~i~4 150), 201127#(<= ULTIMATE.start_main_~i~4 164), 201126#(<= ULTIMATE.start_main_~i~4 162), 201125#(<= ULTIMATE.start_main_~i~4 160), 201124#(<= ULTIMATE.start_main_~i~4 158), 201131#(<= ULTIMATE.start_main_~i~4 172), 201130#(<= ULTIMATE.start_main_~i~4 170), 201129#(<= ULTIMATE.start_main_~i~4 168), 201128#(<= ULTIMATE.start_main_~i~4 166), 201135#(<= ULTIMATE.start_main_~i~4 180), 201134#(<= ULTIMATE.start_main_~i~4 178), 201133#(<= ULTIMATE.start_main_~i~4 176), 201132#(<= ULTIMATE.start_main_~i~4 174), 201139#(<= ULTIMATE.start_main_~i~4 188), 201138#(<= ULTIMATE.start_main_~i~4 186), 201137#(<= ULTIMATE.start_main_~i~4 184), 201136#(<= ULTIMATE.start_main_~i~4 182), 201143#(<= ULTIMATE.start_main_~i~4 196), 201142#(<= ULTIMATE.start_main_~i~4 194), 201141#(<= ULTIMATE.start_main_~i~4 192), 201140#(<= ULTIMATE.start_main_~i~4 190), 201147#(<= ULTIMATE.start_main_~i~4 204), 201146#(<= ULTIMATE.start_main_~i~4 202), 201145#(<= ULTIMATE.start_main_~i~4 200), 201144#(<= ULTIMATE.start_main_~i~4 198), 201151#(<= ULTIMATE.start_main_~i~4 212), 201150#(<= ULTIMATE.start_main_~i~4 210), 201149#(<= ULTIMATE.start_main_~i~4 208), 201148#(<= ULTIMATE.start_main_~i~4 206), 201155#(<= ULTIMATE.start_main_~i~4 220), 201154#(<= ULTIMATE.start_main_~i~4 218), 201153#(<= ULTIMATE.start_main_~i~4 216), 201152#(<= ULTIMATE.start_main_~i~4 214), 201159#(<= ULTIMATE.start_main_~i~4 228), 201158#(<= ULTIMATE.start_main_~i~4 226), 201157#(<= ULTIMATE.start_main_~i~4 224), 201156#(<= ULTIMATE.start_main_~i~4 222), 201163#(<= ULTIMATE.start_main_~i~4 236), 201162#(<= ULTIMATE.start_main_~i~4 234), 201161#(<= ULTIMATE.start_main_~i~4 232), 201160#(<= ULTIMATE.start_main_~i~4 230), 201167#(<= ULTIMATE.start_main_~i~4 244), 201166#(<= ULTIMATE.start_main_~i~4 242), 201165#(<= ULTIMATE.start_main_~i~4 240), 201164#(<= ULTIMATE.start_main_~i~4 238), 201171#(<= ULTIMATE.start_main_~i~4 252), 201170#(<= ULTIMATE.start_main_~i~4 250), 201169#(<= ULTIMATE.start_main_~i~4 248), 201168#(<= ULTIMATE.start_main_~i~4 246), 201175#(<= ULTIMATE.start_main_~i~4 260), 201174#(<= ULTIMATE.start_main_~i~4 258), 201173#(<= ULTIMATE.start_main_~i~4 256), 201172#(<= ULTIMATE.start_main_~i~4 254), 201179#(<= ULTIMATE.start_main_~i~4 268), 201178#(<= ULTIMATE.start_main_~i~4 266), 201177#(<= ULTIMATE.start_main_~i~4 264), 201176#(<= ULTIMATE.start_main_~i~4 262), 201183#(<= ULTIMATE.start_main_~i~4 276), 201182#(<= ULTIMATE.start_main_~i~4 274), 201181#(<= ULTIMATE.start_main_~i~4 272), 201180#(<= ULTIMATE.start_main_~i~4 270), 201187#(<= ULTIMATE.start_main_~i~4 284), 201186#(<= ULTIMATE.start_main_~i~4 282), 201185#(<= ULTIMATE.start_main_~i~4 280), 201184#(<= ULTIMATE.start_main_~i~4 278), 201191#(<= ULTIMATE.start_main_~i~4 292), 201190#(<= ULTIMATE.start_main_~i~4 290), 201189#(<= ULTIMATE.start_main_~i~4 288), 201188#(<= ULTIMATE.start_main_~i~4 286), 201195#(<= ULTIMATE.start_main_~i~4 300), 201194#(<= ULTIMATE.start_main_~i~4 298), 201193#(<= ULTIMATE.start_main_~i~4 296), 201192#(<= ULTIMATE.start_main_~i~4 294), 201199#(<= ULTIMATE.start_main_~i~4 308), 201198#(<= ULTIMATE.start_main_~i~4 306), 201197#(<= ULTIMATE.start_main_~i~4 304), 201196#(<= ULTIMATE.start_main_~i~4 302), 201203#(<= ULTIMATE.start_main_~i~4 316), 201202#(<= ULTIMATE.start_main_~i~4 314), 201201#(<= ULTIMATE.start_main_~i~4 312), 201200#(<= ULTIMATE.start_main_~i~4 310), 201207#(<= ULTIMATE.start_main_~i~4 324), 201206#(<= ULTIMATE.start_main_~i~4 322), 201205#(<= ULTIMATE.start_main_~i~4 320), 201204#(<= ULTIMATE.start_main_~i~4 318), 201211#(<= ULTIMATE.start_main_~i~4 332), 201210#(<= ULTIMATE.start_main_~i~4 330), 201209#(<= ULTIMATE.start_main_~i~4 328), 201208#(<= ULTIMATE.start_main_~i~4 326), 201215#(<= ULTIMATE.start_main_~i~4 340), 201214#(<= ULTIMATE.start_main_~i~4 338), 201213#(<= ULTIMATE.start_main_~i~4 336), 201212#(<= ULTIMATE.start_main_~i~4 334)] [2018-07-23 13:47:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 43472 backedges. 0 proven. 43472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:48,414 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:47:48,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:47:48,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:47:48,420 INFO L87 Difference]: Start difference. First operand 421 states and 421 transitions. Second operand 211 states. [2018-07-23 13:47:49,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:49,723 INFO L93 Difference]: Finished difference Result 425 states and 425 transitions. [2018-07-23 13:47:49,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:47:49,724 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 420 [2018-07-23 13:47:49,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:49,725 INFO L225 Difference]: With dead ends: 425 [2018-07-23 13:47:49,725 INFO L226 Difference]: Without dead ends: 423 [2018-07-23 13:47:49,727 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:47:49,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-07-23 13:47:49,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-07-23 13:47:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-07-23 13:47:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 423 transitions. [2018-07-23 13:47:49,731 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 423 transitions. Word has length 420 [2018-07-23 13:47:49,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:49,731 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 423 transitions. [2018-07-23 13:47:49,731 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:47:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 423 transitions. [2018-07-23 13:47:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-07-23 13:47:49,732 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:49,732 INFO L357 BasicCegarLoop]: trace histogram [210, 209, 1, 1, 1] [2018-07-23 13:47:49,732 INFO L414 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:49,733 INFO L82 PathProgramCache]: Analyzing trace with hash 291428513, now seen corresponding path program 209 times [2018-07-23 13:47:49,733 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 43890 backedges. 0 proven. 43890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,001 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:51,001 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:47:51,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,002 INFO L185 omatonBuilderFactory]: Interpolants [202951#false, 202950#true, 202955#(<= ULTIMATE.start_main_~i~4 6), 202954#(<= ULTIMATE.start_main_~i~4 4), 202953#(<= ULTIMATE.start_main_~i~4 2), 202952#(<= ULTIMATE.start_main_~i~4 0), 202959#(<= ULTIMATE.start_main_~i~4 14), 202958#(<= ULTIMATE.start_main_~i~4 12), 202957#(<= ULTIMATE.start_main_~i~4 10), 202956#(<= ULTIMATE.start_main_~i~4 8), 202963#(<= ULTIMATE.start_main_~i~4 22), 202962#(<= ULTIMATE.start_main_~i~4 20), 202961#(<= ULTIMATE.start_main_~i~4 18), 202960#(<= ULTIMATE.start_main_~i~4 16), 202967#(<= ULTIMATE.start_main_~i~4 30), 202966#(<= ULTIMATE.start_main_~i~4 28), 202965#(<= ULTIMATE.start_main_~i~4 26), 202964#(<= ULTIMATE.start_main_~i~4 24), 202971#(<= ULTIMATE.start_main_~i~4 38), 202970#(<= ULTIMATE.start_main_~i~4 36), 202969#(<= ULTIMATE.start_main_~i~4 34), 202968#(<= ULTIMATE.start_main_~i~4 32), 202975#(<= ULTIMATE.start_main_~i~4 46), 202974#(<= ULTIMATE.start_main_~i~4 44), 202973#(<= ULTIMATE.start_main_~i~4 42), 202972#(<= ULTIMATE.start_main_~i~4 40), 202979#(<= ULTIMATE.start_main_~i~4 54), 202978#(<= ULTIMATE.start_main_~i~4 52), 202977#(<= ULTIMATE.start_main_~i~4 50), 202976#(<= ULTIMATE.start_main_~i~4 48), 202983#(<= ULTIMATE.start_main_~i~4 62), 202982#(<= ULTIMATE.start_main_~i~4 60), 202981#(<= ULTIMATE.start_main_~i~4 58), 202980#(<= ULTIMATE.start_main_~i~4 56), 202987#(<= ULTIMATE.start_main_~i~4 70), 202986#(<= ULTIMATE.start_main_~i~4 68), 202985#(<= ULTIMATE.start_main_~i~4 66), 202984#(<= ULTIMATE.start_main_~i~4 64), 202991#(<= ULTIMATE.start_main_~i~4 78), 202990#(<= ULTIMATE.start_main_~i~4 76), 202989#(<= ULTIMATE.start_main_~i~4 74), 202988#(<= ULTIMATE.start_main_~i~4 72), 202995#(<= ULTIMATE.start_main_~i~4 86), 202994#(<= ULTIMATE.start_main_~i~4 84), 202993#(<= ULTIMATE.start_main_~i~4 82), 202992#(<= ULTIMATE.start_main_~i~4 80), 202999#(<= ULTIMATE.start_main_~i~4 94), 202998#(<= ULTIMATE.start_main_~i~4 92), 202997#(<= ULTIMATE.start_main_~i~4 90), 202996#(<= ULTIMATE.start_main_~i~4 88), 203003#(<= ULTIMATE.start_main_~i~4 102), 203002#(<= ULTIMATE.start_main_~i~4 100), 203001#(<= ULTIMATE.start_main_~i~4 98), 203000#(<= ULTIMATE.start_main_~i~4 96), 203007#(<= ULTIMATE.start_main_~i~4 110), 203006#(<= ULTIMATE.start_main_~i~4 108), 203005#(<= ULTIMATE.start_main_~i~4 106), 203004#(<= ULTIMATE.start_main_~i~4 104), 203011#(<= ULTIMATE.start_main_~i~4 118), 203010#(<= ULTIMATE.start_main_~i~4 116), 203009#(<= ULTIMATE.start_main_~i~4 114), 203008#(<= ULTIMATE.start_main_~i~4 112), 203015#(<= ULTIMATE.start_main_~i~4 126), 203014#(<= ULTIMATE.start_main_~i~4 124), 203013#(<= ULTIMATE.start_main_~i~4 122), 203012#(<= ULTIMATE.start_main_~i~4 120), 203019#(<= ULTIMATE.start_main_~i~4 134), 203018#(<= ULTIMATE.start_main_~i~4 132), 203017#(<= ULTIMATE.start_main_~i~4 130), 203016#(<= ULTIMATE.start_main_~i~4 128), 203023#(<= ULTIMATE.start_main_~i~4 142), 203022#(<= ULTIMATE.start_main_~i~4 140), 203021#(<= ULTIMATE.start_main_~i~4 138), 203020#(<= ULTIMATE.start_main_~i~4 136), 203027#(<= ULTIMATE.start_main_~i~4 150), 203026#(<= ULTIMATE.start_main_~i~4 148), 203025#(<= ULTIMATE.start_main_~i~4 146), 203024#(<= ULTIMATE.start_main_~i~4 144), 203031#(<= ULTIMATE.start_main_~i~4 158), 203030#(<= ULTIMATE.start_main_~i~4 156), 203029#(<= ULTIMATE.start_main_~i~4 154), 203028#(<= ULTIMATE.start_main_~i~4 152), 203035#(<= ULTIMATE.start_main_~i~4 166), 203034#(<= ULTIMATE.start_main_~i~4 164), 203033#(<= ULTIMATE.start_main_~i~4 162), 203032#(<= ULTIMATE.start_main_~i~4 160), 203039#(<= ULTIMATE.start_main_~i~4 174), 203038#(<= ULTIMATE.start_main_~i~4 172), 203037#(<= ULTIMATE.start_main_~i~4 170), 203036#(<= ULTIMATE.start_main_~i~4 168), 203043#(<= ULTIMATE.start_main_~i~4 182), 203042#(<= ULTIMATE.start_main_~i~4 180), 203041#(<= ULTIMATE.start_main_~i~4 178), 203040#(<= ULTIMATE.start_main_~i~4 176), 203047#(<= ULTIMATE.start_main_~i~4 190), 203046#(<= ULTIMATE.start_main_~i~4 188), 203045#(<= ULTIMATE.start_main_~i~4 186), 203044#(<= ULTIMATE.start_main_~i~4 184), 203051#(<= ULTIMATE.start_main_~i~4 198), 203050#(<= ULTIMATE.start_main_~i~4 196), 203049#(<= ULTIMATE.start_main_~i~4 194), 203048#(<= ULTIMATE.start_main_~i~4 192), 203055#(<= ULTIMATE.start_main_~i~4 206), 203054#(<= ULTIMATE.start_main_~i~4 204), 203053#(<= ULTIMATE.start_main_~i~4 202), 203052#(<= ULTIMATE.start_main_~i~4 200), 203059#(<= ULTIMATE.start_main_~i~4 214), 203058#(<= ULTIMATE.start_main_~i~4 212), 203057#(<= ULTIMATE.start_main_~i~4 210), 203056#(<= ULTIMATE.start_main_~i~4 208), 203063#(<= ULTIMATE.start_main_~i~4 222), 203062#(<= ULTIMATE.start_main_~i~4 220), 203061#(<= ULTIMATE.start_main_~i~4 218), 203060#(<= ULTIMATE.start_main_~i~4 216), 203067#(<= ULTIMATE.start_main_~i~4 230), 203066#(<= ULTIMATE.start_main_~i~4 228), 203065#(<= ULTIMATE.start_main_~i~4 226), 203064#(<= ULTIMATE.start_main_~i~4 224), 203071#(<= ULTIMATE.start_main_~i~4 238), 203070#(<= ULTIMATE.start_main_~i~4 236), 203069#(<= ULTIMATE.start_main_~i~4 234), 203068#(<= ULTIMATE.start_main_~i~4 232), 203075#(<= ULTIMATE.start_main_~i~4 246), 203074#(<= ULTIMATE.start_main_~i~4 244), 203073#(<= ULTIMATE.start_main_~i~4 242), 203072#(<= ULTIMATE.start_main_~i~4 240), 203079#(<= ULTIMATE.start_main_~i~4 254), 203078#(<= ULTIMATE.start_main_~i~4 252), 203077#(<= ULTIMATE.start_main_~i~4 250), 203076#(<= ULTIMATE.start_main_~i~4 248), 203083#(<= ULTIMATE.start_main_~i~4 262), 203082#(<= ULTIMATE.start_main_~i~4 260), 203081#(<= ULTIMATE.start_main_~i~4 258), 203080#(<= ULTIMATE.start_main_~i~4 256), 203087#(<= ULTIMATE.start_main_~i~4 270), 203086#(<= ULTIMATE.start_main_~i~4 268), 203085#(<= ULTIMATE.start_main_~i~4 266), 203084#(<= ULTIMATE.start_main_~i~4 264), 203091#(<= ULTIMATE.start_main_~i~4 278), 203090#(<= ULTIMATE.start_main_~i~4 276), 203089#(<= ULTIMATE.start_main_~i~4 274), 203088#(<= ULTIMATE.start_main_~i~4 272), 203095#(<= ULTIMATE.start_main_~i~4 286), 203094#(<= ULTIMATE.start_main_~i~4 284), 203093#(<= ULTIMATE.start_main_~i~4 282), 203092#(<= ULTIMATE.start_main_~i~4 280), 203099#(<= ULTIMATE.start_main_~i~4 294), 203098#(<= ULTIMATE.start_main_~i~4 292), 203097#(<= ULTIMATE.start_main_~i~4 290), 203096#(<= ULTIMATE.start_main_~i~4 288), 203103#(<= ULTIMATE.start_main_~i~4 302), 203102#(<= ULTIMATE.start_main_~i~4 300), 203101#(<= ULTIMATE.start_main_~i~4 298), 203100#(<= ULTIMATE.start_main_~i~4 296), 203107#(<= ULTIMATE.start_main_~i~4 310), 203106#(<= ULTIMATE.start_main_~i~4 308), 203105#(<= ULTIMATE.start_main_~i~4 306), 203104#(<= ULTIMATE.start_main_~i~4 304), 203111#(<= ULTIMATE.start_main_~i~4 318), 203110#(<= ULTIMATE.start_main_~i~4 316), 203109#(<= ULTIMATE.start_main_~i~4 314), 203108#(<= ULTIMATE.start_main_~i~4 312), 203115#(<= ULTIMATE.start_main_~i~4 326), 203114#(<= ULTIMATE.start_main_~i~4 324), 203113#(<= ULTIMATE.start_main_~i~4 322), 203112#(<= ULTIMATE.start_main_~i~4 320), 203119#(<= ULTIMATE.start_main_~i~4 334), 203118#(<= ULTIMATE.start_main_~i~4 332), 203117#(<= ULTIMATE.start_main_~i~4 330), 203116#(<= ULTIMATE.start_main_~i~4 328), 203123#(<= ULTIMATE.start_main_~i~4 342), 203122#(<= ULTIMATE.start_main_~i~4 340), 203121#(<= ULTIMATE.start_main_~i~4 338), 203120#(<= ULTIMATE.start_main_~i~4 336), 203127#(<= ULTIMATE.start_main_~i~4 350), 203126#(<= ULTIMATE.start_main_~i~4 348), 203125#(<= ULTIMATE.start_main_~i~4 346), 203124#(<= ULTIMATE.start_main_~i~4 344), 203131#(<= ULTIMATE.start_main_~i~4 358), 203130#(<= ULTIMATE.start_main_~i~4 356), 203129#(<= ULTIMATE.start_main_~i~4 354), 203128#(<= ULTIMATE.start_main_~i~4 352), 203135#(<= ULTIMATE.start_main_~i~4 366), 203134#(<= ULTIMATE.start_main_~i~4 364), 203133#(<= ULTIMATE.start_main_~i~4 362), 203132#(<= ULTIMATE.start_main_~i~4 360), 203139#(<= ULTIMATE.start_main_~i~4 374), 203138#(<= ULTIMATE.start_main_~i~4 372), 203137#(<= ULTIMATE.start_main_~i~4 370), 203136#(<= ULTIMATE.start_main_~i~4 368), 203143#(<= ULTIMATE.start_main_~i~4 382), 203142#(<= ULTIMATE.start_main_~i~4 380), 203141#(<= ULTIMATE.start_main_~i~4 378), 203140#(<= ULTIMATE.start_main_~i~4 376), 203147#(<= ULTIMATE.start_main_~i~4 390), 203146#(<= ULTIMATE.start_main_~i~4 388), 203145#(<= ULTIMATE.start_main_~i~4 386), 203144#(<= ULTIMATE.start_main_~i~4 384), 203151#(<= ULTIMATE.start_main_~i~4 398), 203150#(<= ULTIMATE.start_main_~i~4 396), 203149#(<= ULTIMATE.start_main_~i~4 394), 203148#(<= ULTIMATE.start_main_~i~4 392), 203155#(<= ULTIMATE.start_main_~i~4 406), 203154#(<= ULTIMATE.start_main_~i~4 404), 203153#(<= ULTIMATE.start_main_~i~4 402), 203152#(<= ULTIMATE.start_main_~i~4 400), 203159#(<= ULTIMATE.start_main_~i~4 414), 203158#(<= ULTIMATE.start_main_~i~4 412), 203157#(<= ULTIMATE.start_main_~i~4 410), 203156#(<= ULTIMATE.start_main_~i~4 408), 203161#(<= ULTIMATE.start_main_~i~4 418), 203160#(<= ULTIMATE.start_main_~i~4 416)] [2018-07-23 13:47:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 43890 backedges. 0 proven. 43890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,004 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:47:51,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:47:51,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:47:51,007 INFO L87 Difference]: Start difference. First operand 423 states and 423 transitions. Second operand 212 states. [2018-07-23 13:47:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:52,624 INFO L93 Difference]: Finished difference Result 427 states and 427 transitions. [2018-07-23 13:47:52,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:47:52,624 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 422 [2018-07-23 13:47:52,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:52,625 INFO L225 Difference]: With dead ends: 427 [2018-07-23 13:47:52,625 INFO L226 Difference]: Without dead ends: 425 [2018-07-23 13:47:52,627 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:47:52,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-07-23 13:47:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2018-07-23 13:47:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-07-23 13:47:52,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 425 transitions. [2018-07-23 13:47:52,631 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 425 transitions. Word has length 422 [2018-07-23 13:47:52,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:52,631 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 425 transitions. [2018-07-23 13:47:52,631 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:47:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 425 transitions. [2018-07-23 13:47:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-07-23 13:47:52,632 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:52,633 INFO L357 BasicCegarLoop]: trace histogram [211, 210, 1, 1, 1] [2018-07-23 13:47:52,633 INFO L414 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:52,633 INFO L82 PathProgramCache]: Analyzing trace with hash 889978843, now seen corresponding path program 210 times [2018-07-23 13:47:52,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 44310 backedges. 0 proven. 44310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:53,940 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:53,940 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:47:53,940 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:53,941 INFO L185 omatonBuilderFactory]: Interpolants [204867#false, 204866#true, 204871#(<= ULTIMATE.start_main_~i~4 6), 204870#(<= ULTIMATE.start_main_~i~4 4), 204869#(<= ULTIMATE.start_main_~i~4 2), 204868#(<= ULTIMATE.start_main_~i~4 0), 204875#(<= ULTIMATE.start_main_~i~4 14), 204874#(<= ULTIMATE.start_main_~i~4 12), 204873#(<= ULTIMATE.start_main_~i~4 10), 204872#(<= ULTIMATE.start_main_~i~4 8), 204879#(<= ULTIMATE.start_main_~i~4 22), 204878#(<= ULTIMATE.start_main_~i~4 20), 204877#(<= ULTIMATE.start_main_~i~4 18), 204876#(<= ULTIMATE.start_main_~i~4 16), 204883#(<= ULTIMATE.start_main_~i~4 30), 204882#(<= ULTIMATE.start_main_~i~4 28), 204881#(<= ULTIMATE.start_main_~i~4 26), 204880#(<= ULTIMATE.start_main_~i~4 24), 204887#(<= ULTIMATE.start_main_~i~4 38), 204886#(<= ULTIMATE.start_main_~i~4 36), 204885#(<= ULTIMATE.start_main_~i~4 34), 204884#(<= ULTIMATE.start_main_~i~4 32), 204891#(<= ULTIMATE.start_main_~i~4 46), 204890#(<= ULTIMATE.start_main_~i~4 44), 204889#(<= ULTIMATE.start_main_~i~4 42), 204888#(<= ULTIMATE.start_main_~i~4 40), 204895#(<= ULTIMATE.start_main_~i~4 54), 204894#(<= ULTIMATE.start_main_~i~4 52), 204893#(<= ULTIMATE.start_main_~i~4 50), 204892#(<= ULTIMATE.start_main_~i~4 48), 204899#(<= ULTIMATE.start_main_~i~4 62), 204898#(<= ULTIMATE.start_main_~i~4 60), 204897#(<= ULTIMATE.start_main_~i~4 58), 204896#(<= ULTIMATE.start_main_~i~4 56), 204903#(<= ULTIMATE.start_main_~i~4 70), 204902#(<= ULTIMATE.start_main_~i~4 68), 204901#(<= ULTIMATE.start_main_~i~4 66), 204900#(<= ULTIMATE.start_main_~i~4 64), 204907#(<= ULTIMATE.start_main_~i~4 78), 204906#(<= ULTIMATE.start_main_~i~4 76), 204905#(<= ULTIMATE.start_main_~i~4 74), 204904#(<= ULTIMATE.start_main_~i~4 72), 204911#(<= ULTIMATE.start_main_~i~4 86), 204910#(<= ULTIMATE.start_main_~i~4 84), 204909#(<= ULTIMATE.start_main_~i~4 82), 204908#(<= ULTIMATE.start_main_~i~4 80), 204915#(<= ULTIMATE.start_main_~i~4 94), 204914#(<= ULTIMATE.start_main_~i~4 92), 204913#(<= ULTIMATE.start_main_~i~4 90), 204912#(<= ULTIMATE.start_main_~i~4 88), 204919#(<= ULTIMATE.start_main_~i~4 102), 204918#(<= ULTIMATE.start_main_~i~4 100), 204917#(<= ULTIMATE.start_main_~i~4 98), 204916#(<= ULTIMATE.start_main_~i~4 96), 204923#(<= ULTIMATE.start_main_~i~4 110), 204922#(<= ULTIMATE.start_main_~i~4 108), 204921#(<= ULTIMATE.start_main_~i~4 106), 204920#(<= ULTIMATE.start_main_~i~4 104), 204927#(<= ULTIMATE.start_main_~i~4 118), 204926#(<= ULTIMATE.start_main_~i~4 116), 204925#(<= ULTIMATE.start_main_~i~4 114), 204924#(<= ULTIMATE.start_main_~i~4 112), 204931#(<= ULTIMATE.start_main_~i~4 126), 204930#(<= ULTIMATE.start_main_~i~4 124), 204929#(<= ULTIMATE.start_main_~i~4 122), 204928#(<= ULTIMATE.start_main_~i~4 120), 204935#(<= ULTIMATE.start_main_~i~4 134), 204934#(<= ULTIMATE.start_main_~i~4 132), 204933#(<= ULTIMATE.start_main_~i~4 130), 204932#(<= ULTIMATE.start_main_~i~4 128), 204939#(<= ULTIMATE.start_main_~i~4 142), 204938#(<= ULTIMATE.start_main_~i~4 140), 204937#(<= ULTIMATE.start_main_~i~4 138), 204936#(<= ULTIMATE.start_main_~i~4 136), 204943#(<= ULTIMATE.start_main_~i~4 150), 204942#(<= ULTIMATE.start_main_~i~4 148), 204941#(<= ULTIMATE.start_main_~i~4 146), 204940#(<= ULTIMATE.start_main_~i~4 144), 204947#(<= ULTIMATE.start_main_~i~4 158), 204946#(<= ULTIMATE.start_main_~i~4 156), 204945#(<= ULTIMATE.start_main_~i~4 154), 204944#(<= ULTIMATE.start_main_~i~4 152), 204951#(<= ULTIMATE.start_main_~i~4 166), 204950#(<= ULTIMATE.start_main_~i~4 164), 204949#(<= ULTIMATE.start_main_~i~4 162), 204948#(<= ULTIMATE.start_main_~i~4 160), 204955#(<= ULTIMATE.start_main_~i~4 174), 204954#(<= ULTIMATE.start_main_~i~4 172), 204953#(<= ULTIMATE.start_main_~i~4 170), 204952#(<= ULTIMATE.start_main_~i~4 168), 204959#(<= ULTIMATE.start_main_~i~4 182), 204958#(<= ULTIMATE.start_main_~i~4 180), 204957#(<= ULTIMATE.start_main_~i~4 178), 204956#(<= ULTIMATE.start_main_~i~4 176), 204963#(<= ULTIMATE.start_main_~i~4 190), 204962#(<= ULTIMATE.start_main_~i~4 188), 204961#(<= ULTIMATE.start_main_~i~4 186), 204960#(<= ULTIMATE.start_main_~i~4 184), 204967#(<= ULTIMATE.start_main_~i~4 198), 204966#(<= ULTIMATE.start_main_~i~4 196), 204965#(<= ULTIMATE.start_main_~i~4 194), 204964#(<= ULTIMATE.start_main_~i~4 192), 204971#(<= ULTIMATE.start_main_~i~4 206), 204970#(<= ULTIMATE.start_main_~i~4 204), 204969#(<= ULTIMATE.start_main_~i~4 202), 204968#(<= ULTIMATE.start_main_~i~4 200), 204975#(<= ULTIMATE.start_main_~i~4 214), 204974#(<= ULTIMATE.start_main_~i~4 212), 204973#(<= ULTIMATE.start_main_~i~4 210), 204972#(<= ULTIMATE.start_main_~i~4 208), 204979#(<= ULTIMATE.start_main_~i~4 222), 204978#(<= ULTIMATE.start_main_~i~4 220), 204977#(<= ULTIMATE.start_main_~i~4 218), 204976#(<= ULTIMATE.start_main_~i~4 216), 204983#(<= ULTIMATE.start_main_~i~4 230), 204982#(<= ULTIMATE.start_main_~i~4 228), 204981#(<= ULTIMATE.start_main_~i~4 226), 204980#(<= ULTIMATE.start_main_~i~4 224), 204987#(<= ULTIMATE.start_main_~i~4 238), 204986#(<= ULTIMATE.start_main_~i~4 236), 204985#(<= ULTIMATE.start_main_~i~4 234), 204984#(<= ULTIMATE.start_main_~i~4 232), 204991#(<= ULTIMATE.start_main_~i~4 246), 204990#(<= ULTIMATE.start_main_~i~4 244), 204989#(<= ULTIMATE.start_main_~i~4 242), 204988#(<= ULTIMATE.start_main_~i~4 240), 204995#(<= ULTIMATE.start_main_~i~4 254), 204994#(<= ULTIMATE.start_main_~i~4 252), 204993#(<= ULTIMATE.start_main_~i~4 250), 204992#(<= ULTIMATE.start_main_~i~4 248), 204999#(<= ULTIMATE.start_main_~i~4 262), 204998#(<= ULTIMATE.start_main_~i~4 260), 204997#(<= ULTIMATE.start_main_~i~4 258), 204996#(<= ULTIMATE.start_main_~i~4 256), 205003#(<= ULTIMATE.start_main_~i~4 270), 205002#(<= ULTIMATE.start_main_~i~4 268), 205001#(<= ULTIMATE.start_main_~i~4 266), 205000#(<= ULTIMATE.start_main_~i~4 264), 205007#(<= ULTIMATE.start_main_~i~4 278), 205006#(<= ULTIMATE.start_main_~i~4 276), 205005#(<= ULTIMATE.start_main_~i~4 274), 205004#(<= ULTIMATE.start_main_~i~4 272), 205011#(<= ULTIMATE.start_main_~i~4 286), 205010#(<= ULTIMATE.start_main_~i~4 284), 205009#(<= ULTIMATE.start_main_~i~4 282), 205008#(<= ULTIMATE.start_main_~i~4 280), 205015#(<= ULTIMATE.start_main_~i~4 294), 205014#(<= ULTIMATE.start_main_~i~4 292), 205013#(<= ULTIMATE.start_main_~i~4 290), 205012#(<= ULTIMATE.start_main_~i~4 288), 205019#(<= ULTIMATE.start_main_~i~4 302), 205018#(<= ULTIMATE.start_main_~i~4 300), 205017#(<= ULTIMATE.start_main_~i~4 298), 205016#(<= ULTIMATE.start_main_~i~4 296), 205023#(<= ULTIMATE.start_main_~i~4 310), 205022#(<= ULTIMATE.start_main_~i~4 308), 205021#(<= ULTIMATE.start_main_~i~4 306), 205020#(<= ULTIMATE.start_main_~i~4 304), 205027#(<= ULTIMATE.start_main_~i~4 318), 205026#(<= ULTIMATE.start_main_~i~4 316), 205025#(<= ULTIMATE.start_main_~i~4 314), 205024#(<= ULTIMATE.start_main_~i~4 312), 205031#(<= ULTIMATE.start_main_~i~4 326), 205030#(<= ULTIMATE.start_main_~i~4 324), 205029#(<= ULTIMATE.start_main_~i~4 322), 205028#(<= ULTIMATE.start_main_~i~4 320), 205035#(<= ULTIMATE.start_main_~i~4 334), 205034#(<= ULTIMATE.start_main_~i~4 332), 205033#(<= ULTIMATE.start_main_~i~4 330), 205032#(<= ULTIMATE.start_main_~i~4 328), 205039#(<= ULTIMATE.start_main_~i~4 342), 205038#(<= ULTIMATE.start_main_~i~4 340), 205037#(<= ULTIMATE.start_main_~i~4 338), 205036#(<= ULTIMATE.start_main_~i~4 336), 205043#(<= ULTIMATE.start_main_~i~4 350), 205042#(<= ULTIMATE.start_main_~i~4 348), 205041#(<= ULTIMATE.start_main_~i~4 346), 205040#(<= ULTIMATE.start_main_~i~4 344), 205047#(<= ULTIMATE.start_main_~i~4 358), 205046#(<= ULTIMATE.start_main_~i~4 356), 205045#(<= ULTIMATE.start_main_~i~4 354), 205044#(<= ULTIMATE.start_main_~i~4 352), 205051#(<= ULTIMATE.start_main_~i~4 366), 205050#(<= ULTIMATE.start_main_~i~4 364), 205049#(<= ULTIMATE.start_main_~i~4 362), 205048#(<= ULTIMATE.start_main_~i~4 360), 205055#(<= ULTIMATE.start_main_~i~4 374), 205054#(<= ULTIMATE.start_main_~i~4 372), 205053#(<= ULTIMATE.start_main_~i~4 370), 205052#(<= ULTIMATE.start_main_~i~4 368), 205059#(<= ULTIMATE.start_main_~i~4 382), 205058#(<= ULTIMATE.start_main_~i~4 380), 205057#(<= ULTIMATE.start_main_~i~4 378), 205056#(<= ULTIMATE.start_main_~i~4 376), 205063#(<= ULTIMATE.start_main_~i~4 390), 205062#(<= ULTIMATE.start_main_~i~4 388), 205061#(<= ULTIMATE.start_main_~i~4 386), 205060#(<= ULTIMATE.start_main_~i~4 384), 205067#(<= ULTIMATE.start_main_~i~4 398), 205066#(<= ULTIMATE.start_main_~i~4 396), 205065#(<= ULTIMATE.start_main_~i~4 394), 205064#(<= ULTIMATE.start_main_~i~4 392), 205071#(<= ULTIMATE.start_main_~i~4 406), 205070#(<= ULTIMATE.start_main_~i~4 404), 205069#(<= ULTIMATE.start_main_~i~4 402), 205068#(<= ULTIMATE.start_main_~i~4 400), 205075#(<= ULTIMATE.start_main_~i~4 414), 205074#(<= ULTIMATE.start_main_~i~4 412), 205073#(<= ULTIMATE.start_main_~i~4 410), 205072#(<= ULTIMATE.start_main_~i~4 408), 205078#(<= ULTIMATE.start_main_~i~4 420), 205077#(<= ULTIMATE.start_main_~i~4 418), 205076#(<= ULTIMATE.start_main_~i~4 416)] [2018-07-23 13:47:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 44310 backedges. 0 proven. 44310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:53,943 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:47:53,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:47:53,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:47:53,948 INFO L87 Difference]: Start difference. First operand 425 states and 425 transitions. Second operand 213 states. [2018-07-23 13:47:56,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:56,162 INFO L93 Difference]: Finished difference Result 429 states and 429 transitions. [2018-07-23 13:47:56,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:47:56,163 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 424 [2018-07-23 13:47:56,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:56,163 INFO L225 Difference]: With dead ends: 429 [2018-07-23 13:47:56,163 INFO L226 Difference]: Without dead ends: 427 [2018-07-23 13:47:56,166 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:47:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-07-23 13:47:56,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2018-07-23 13:47:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-07-23 13:47:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 427 transitions. [2018-07-23 13:47:56,170 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 427 transitions. Word has length 424 [2018-07-23 13:47:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:56,170 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 427 transitions. [2018-07-23 13:47:56,170 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:47:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 427 transitions. [2018-07-23 13:47:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2018-07-23 13:47:56,172 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:56,172 INFO L357 BasicCegarLoop]: trace histogram [212, 211, 1, 1, 1] [2018-07-23 13:47:56,172 INFO L414 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:56,172 INFO L82 PathProgramCache]: Analyzing trace with hash 571228309, now seen corresponding path program 211 times [2018-07-23 13:47:56,172 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 44732 backedges. 0 proven. 44732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:57,570 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:57,571 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [213] total 213 [2018-07-23 13:47:57,571 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:57,571 INFO L185 omatonBuilderFactory]: Interpolants [206851#(<= ULTIMATE.start_main_~i~4 116), 206850#(<= ULTIMATE.start_main_~i~4 114), 206849#(<= ULTIMATE.start_main_~i~4 112), 206848#(<= ULTIMATE.start_main_~i~4 110), 206855#(<= ULTIMATE.start_main_~i~4 124), 206854#(<= ULTIMATE.start_main_~i~4 122), 206853#(<= ULTIMATE.start_main_~i~4 120), 206852#(<= ULTIMATE.start_main_~i~4 118), 206859#(<= ULTIMATE.start_main_~i~4 132), 206858#(<= ULTIMATE.start_main_~i~4 130), 206857#(<= ULTIMATE.start_main_~i~4 128), 206856#(<= ULTIMATE.start_main_~i~4 126), 206863#(<= ULTIMATE.start_main_~i~4 140), 206862#(<= ULTIMATE.start_main_~i~4 138), 206861#(<= ULTIMATE.start_main_~i~4 136), 206860#(<= ULTIMATE.start_main_~i~4 134), 206867#(<= ULTIMATE.start_main_~i~4 148), 206866#(<= ULTIMATE.start_main_~i~4 146), 206865#(<= ULTIMATE.start_main_~i~4 144), 206864#(<= ULTIMATE.start_main_~i~4 142), 206871#(<= ULTIMATE.start_main_~i~4 156), 206870#(<= ULTIMATE.start_main_~i~4 154), 206869#(<= ULTIMATE.start_main_~i~4 152), 206868#(<= ULTIMATE.start_main_~i~4 150), 206875#(<= ULTIMATE.start_main_~i~4 164), 206874#(<= ULTIMATE.start_main_~i~4 162), 206873#(<= ULTIMATE.start_main_~i~4 160), 206872#(<= ULTIMATE.start_main_~i~4 158), 206879#(<= ULTIMATE.start_main_~i~4 172), 206878#(<= ULTIMATE.start_main_~i~4 170), 206877#(<= ULTIMATE.start_main_~i~4 168), 206876#(<= ULTIMATE.start_main_~i~4 166), 206883#(<= ULTIMATE.start_main_~i~4 180), 206882#(<= ULTIMATE.start_main_~i~4 178), 206881#(<= ULTIMATE.start_main_~i~4 176), 206880#(<= ULTIMATE.start_main_~i~4 174), 206887#(<= ULTIMATE.start_main_~i~4 188), 206886#(<= ULTIMATE.start_main_~i~4 186), 206885#(<= ULTIMATE.start_main_~i~4 184), 206884#(<= ULTIMATE.start_main_~i~4 182), 206891#(<= ULTIMATE.start_main_~i~4 196), 206890#(<= ULTIMATE.start_main_~i~4 194), 206889#(<= ULTIMATE.start_main_~i~4 192), 206888#(<= ULTIMATE.start_main_~i~4 190), 206895#(<= ULTIMATE.start_main_~i~4 204), 206894#(<= ULTIMATE.start_main_~i~4 202), 206893#(<= ULTIMATE.start_main_~i~4 200), 206892#(<= ULTIMATE.start_main_~i~4 198), 206899#(<= ULTIMATE.start_main_~i~4 212), 206898#(<= ULTIMATE.start_main_~i~4 210), 206897#(<= ULTIMATE.start_main_~i~4 208), 206896#(<= ULTIMATE.start_main_~i~4 206), 206903#(<= ULTIMATE.start_main_~i~4 220), 206902#(<= ULTIMATE.start_main_~i~4 218), 206901#(<= ULTIMATE.start_main_~i~4 216), 206900#(<= ULTIMATE.start_main_~i~4 214), 206907#(<= ULTIMATE.start_main_~i~4 228), 206906#(<= ULTIMATE.start_main_~i~4 226), 206905#(<= ULTIMATE.start_main_~i~4 224), 206904#(<= ULTIMATE.start_main_~i~4 222), 206911#(<= ULTIMATE.start_main_~i~4 236), 206910#(<= ULTIMATE.start_main_~i~4 234), 206909#(<= ULTIMATE.start_main_~i~4 232), 206908#(<= ULTIMATE.start_main_~i~4 230), 206915#(<= ULTIMATE.start_main_~i~4 244), 206914#(<= ULTIMATE.start_main_~i~4 242), 206913#(<= ULTIMATE.start_main_~i~4 240), 206912#(<= ULTIMATE.start_main_~i~4 238), 206919#(<= ULTIMATE.start_main_~i~4 252), 206918#(<= ULTIMATE.start_main_~i~4 250), 206917#(<= ULTIMATE.start_main_~i~4 248), 206916#(<= ULTIMATE.start_main_~i~4 246), 206923#(<= ULTIMATE.start_main_~i~4 260), 206922#(<= ULTIMATE.start_main_~i~4 258), 206921#(<= ULTIMATE.start_main_~i~4 256), 206920#(<= ULTIMATE.start_main_~i~4 254), 206927#(<= ULTIMATE.start_main_~i~4 268), 206926#(<= ULTIMATE.start_main_~i~4 266), 206925#(<= ULTIMATE.start_main_~i~4 264), 206924#(<= ULTIMATE.start_main_~i~4 262), 206931#(<= ULTIMATE.start_main_~i~4 276), 206930#(<= ULTIMATE.start_main_~i~4 274), 206929#(<= ULTIMATE.start_main_~i~4 272), 206928#(<= ULTIMATE.start_main_~i~4 270), 206935#(<= ULTIMATE.start_main_~i~4 284), 206934#(<= ULTIMATE.start_main_~i~4 282), 206933#(<= ULTIMATE.start_main_~i~4 280), 206932#(<= ULTIMATE.start_main_~i~4 278), 206939#(<= ULTIMATE.start_main_~i~4 292), 206938#(<= ULTIMATE.start_main_~i~4 290), 206937#(<= ULTIMATE.start_main_~i~4 288), 206936#(<= ULTIMATE.start_main_~i~4 286), 206943#(<= ULTIMATE.start_main_~i~4 300), 206942#(<= ULTIMATE.start_main_~i~4 298), 206941#(<= ULTIMATE.start_main_~i~4 296), 206940#(<= ULTIMATE.start_main_~i~4 294), 206947#(<= ULTIMATE.start_main_~i~4 308), 206946#(<= ULTIMATE.start_main_~i~4 306), 206945#(<= ULTIMATE.start_main_~i~4 304), 206944#(<= ULTIMATE.start_main_~i~4 302), 206951#(<= ULTIMATE.start_main_~i~4 316), 206950#(<= ULTIMATE.start_main_~i~4 314), 206949#(<= ULTIMATE.start_main_~i~4 312), 206948#(<= ULTIMATE.start_main_~i~4 310), 206955#(<= ULTIMATE.start_main_~i~4 324), 206954#(<= ULTIMATE.start_main_~i~4 322), 206953#(<= ULTIMATE.start_main_~i~4 320), 206952#(<= ULTIMATE.start_main_~i~4 318), 206959#(<= ULTIMATE.start_main_~i~4 332), 206958#(<= ULTIMATE.start_main_~i~4 330), 206957#(<= ULTIMATE.start_main_~i~4 328), 206956#(<= ULTIMATE.start_main_~i~4 326), 206963#(<= ULTIMATE.start_main_~i~4 340), 206962#(<= ULTIMATE.start_main_~i~4 338), 206961#(<= ULTIMATE.start_main_~i~4 336), 206960#(<= ULTIMATE.start_main_~i~4 334), 206967#(<= ULTIMATE.start_main_~i~4 348), 206966#(<= ULTIMATE.start_main_~i~4 346), 206965#(<= ULTIMATE.start_main_~i~4 344), 206964#(<= ULTIMATE.start_main_~i~4 342), 206971#(<= ULTIMATE.start_main_~i~4 356), 206970#(<= ULTIMATE.start_main_~i~4 354), 206969#(<= ULTIMATE.start_main_~i~4 352), 206968#(<= ULTIMATE.start_main_~i~4 350), 206975#(<= ULTIMATE.start_main_~i~4 364), 206974#(<= ULTIMATE.start_main_~i~4 362), 206973#(<= ULTIMATE.start_main_~i~4 360), 206972#(<= ULTIMATE.start_main_~i~4 358), 206979#(<= ULTIMATE.start_main_~i~4 372), 206978#(<= ULTIMATE.start_main_~i~4 370), 206977#(<= ULTIMATE.start_main_~i~4 368), 206976#(<= ULTIMATE.start_main_~i~4 366), 206983#(<= ULTIMATE.start_main_~i~4 380), 206982#(<= ULTIMATE.start_main_~i~4 378), 206981#(<= ULTIMATE.start_main_~i~4 376), 206980#(<= ULTIMATE.start_main_~i~4 374), 206987#(<= ULTIMATE.start_main_~i~4 388), 206986#(<= ULTIMATE.start_main_~i~4 386), 206985#(<= ULTIMATE.start_main_~i~4 384), 206984#(<= ULTIMATE.start_main_~i~4 382), 206991#(<= ULTIMATE.start_main_~i~4 396), 206990#(<= ULTIMATE.start_main_~i~4 394), 206989#(<= ULTIMATE.start_main_~i~4 392), 206988#(<= ULTIMATE.start_main_~i~4 390), 206995#(<= ULTIMATE.start_main_~i~4 404), 206994#(<= ULTIMATE.start_main_~i~4 402), 206993#(<= ULTIMATE.start_main_~i~4 400), 206992#(<= ULTIMATE.start_main_~i~4 398), 206999#(<= ULTIMATE.start_main_~i~4 412), 206998#(<= ULTIMATE.start_main_~i~4 410), 206997#(<= ULTIMATE.start_main_~i~4 408), 206996#(<= ULTIMATE.start_main_~i~4 406), 207003#(<= ULTIMATE.start_main_~i~4 420), 207002#(<= ULTIMATE.start_main_~i~4 418), 207001#(<= ULTIMATE.start_main_~i~4 416), 207000#(<= ULTIMATE.start_main_~i~4 414), 207004#(<= ULTIMATE.start_main_~i~4 422), 206791#true, 206795#(<= ULTIMATE.start_main_~i~4 4), 206794#(<= ULTIMATE.start_main_~i~4 2), 206793#(<= ULTIMATE.start_main_~i~4 0), 206792#false, 206799#(<= ULTIMATE.start_main_~i~4 12), 206798#(<= ULTIMATE.start_main_~i~4 10), 206797#(<= ULTIMATE.start_main_~i~4 8), 206796#(<= ULTIMATE.start_main_~i~4 6), 206803#(<= ULTIMATE.start_main_~i~4 20), 206802#(<= ULTIMATE.start_main_~i~4 18), 206801#(<= ULTIMATE.start_main_~i~4 16), 206800#(<= ULTIMATE.start_main_~i~4 14), 206807#(<= ULTIMATE.start_main_~i~4 28), 206806#(<= ULTIMATE.start_main_~i~4 26), 206805#(<= ULTIMATE.start_main_~i~4 24), 206804#(<= ULTIMATE.start_main_~i~4 22), 206811#(<= ULTIMATE.start_main_~i~4 36), 206810#(<= ULTIMATE.start_main_~i~4 34), 206809#(<= ULTIMATE.start_main_~i~4 32), 206808#(<= ULTIMATE.start_main_~i~4 30), 206815#(<= ULTIMATE.start_main_~i~4 44), 206814#(<= ULTIMATE.start_main_~i~4 42), 206813#(<= ULTIMATE.start_main_~i~4 40), 206812#(<= ULTIMATE.start_main_~i~4 38), 206819#(<= ULTIMATE.start_main_~i~4 52), 206818#(<= ULTIMATE.start_main_~i~4 50), 206817#(<= ULTIMATE.start_main_~i~4 48), 206816#(<= ULTIMATE.start_main_~i~4 46), 206823#(<= ULTIMATE.start_main_~i~4 60), 206822#(<= ULTIMATE.start_main_~i~4 58), 206821#(<= ULTIMATE.start_main_~i~4 56), 206820#(<= ULTIMATE.start_main_~i~4 54), 206827#(<= ULTIMATE.start_main_~i~4 68), 206826#(<= ULTIMATE.start_main_~i~4 66), 206825#(<= ULTIMATE.start_main_~i~4 64), 206824#(<= ULTIMATE.start_main_~i~4 62), 206831#(<= ULTIMATE.start_main_~i~4 76), 206830#(<= ULTIMATE.start_main_~i~4 74), 206829#(<= ULTIMATE.start_main_~i~4 72), 206828#(<= ULTIMATE.start_main_~i~4 70), 206835#(<= ULTIMATE.start_main_~i~4 84), 206834#(<= ULTIMATE.start_main_~i~4 82), 206833#(<= ULTIMATE.start_main_~i~4 80), 206832#(<= ULTIMATE.start_main_~i~4 78), 206839#(<= ULTIMATE.start_main_~i~4 92), 206838#(<= ULTIMATE.start_main_~i~4 90), 206837#(<= ULTIMATE.start_main_~i~4 88), 206836#(<= ULTIMATE.start_main_~i~4 86), 206843#(<= ULTIMATE.start_main_~i~4 100), 206842#(<= ULTIMATE.start_main_~i~4 98), 206841#(<= ULTIMATE.start_main_~i~4 96), 206840#(<= ULTIMATE.start_main_~i~4 94), 206847#(<= ULTIMATE.start_main_~i~4 108), 206846#(<= ULTIMATE.start_main_~i~4 106), 206845#(<= ULTIMATE.start_main_~i~4 104), 206844#(<= ULTIMATE.start_main_~i~4 102)] [2018-07-23 13:47:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 44732 backedges. 0 proven. 44732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:57,573 INFO L450 AbstractCegarLoop]: Interpolant automaton has 214 states [2018-07-23 13:47:57,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2018-07-23 13:47:57,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:47:57,578 INFO L87 Difference]: Start difference. First operand 427 states and 427 transitions. Second operand 214 states. [2018-07-23 13:47:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:59,109 INFO L93 Difference]: Finished difference Result 431 states and 431 transitions. [2018-07-23 13:47:59,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2018-07-23 13:47:59,110 INFO L78 Accepts]: Start accepts. Automaton has 214 states. Word has length 426 [2018-07-23 13:47:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:59,110 INFO L225 Difference]: With dead ends: 431 [2018-07-23 13:47:59,110 INFO L226 Difference]: Without dead ends: 429 [2018-07-23 13:47:59,113 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:47:59,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-07-23 13:47:59,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2018-07-23 13:47:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-07-23 13:47:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 429 transitions. [2018-07-23 13:47:59,117 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 429 transitions. Word has length 426 [2018-07-23 13:47:59,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:59,117 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 429 transitions. [2018-07-23 13:47:59,117 INFO L472 AbstractCegarLoop]: Interpolant automaton has 214 states. [2018-07-23 13:47:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 429 transitions. [2018-07-23 13:47:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2018-07-23 13:47:59,118 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:59,118 INFO L357 BasicCegarLoop]: trace histogram [213, 212, 1, 1, 1] [2018-07-23 13:47:59,119 INFO L414 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:59,119 INFO L82 PathProgramCache]: Analyzing trace with hash -805356849, now seen corresponding path program 212 times [2018-07-23 13:47:59,119 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 45156 backedges. 0 proven. 45156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:00,544 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:00,544 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [214] total 214 [2018-07-23 13:48:00,545 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:00,545 INFO L185 omatonBuilderFactory]: Interpolants [208899#(<= ULTIMATE.start_main_~i~4 344), 208898#(<= ULTIMATE.start_main_~i~4 342), 208897#(<= ULTIMATE.start_main_~i~4 340), 208896#(<= ULTIMATE.start_main_~i~4 338), 208903#(<= ULTIMATE.start_main_~i~4 352), 208902#(<= ULTIMATE.start_main_~i~4 350), 208901#(<= ULTIMATE.start_main_~i~4 348), 208900#(<= ULTIMATE.start_main_~i~4 346), 208907#(<= ULTIMATE.start_main_~i~4 360), 208906#(<= ULTIMATE.start_main_~i~4 358), 208905#(<= ULTIMATE.start_main_~i~4 356), 208904#(<= ULTIMATE.start_main_~i~4 354), 208911#(<= ULTIMATE.start_main_~i~4 368), 208910#(<= ULTIMATE.start_main_~i~4 366), 208909#(<= ULTIMATE.start_main_~i~4 364), 208908#(<= ULTIMATE.start_main_~i~4 362), 208915#(<= ULTIMATE.start_main_~i~4 376), 208914#(<= ULTIMATE.start_main_~i~4 374), 208913#(<= ULTIMATE.start_main_~i~4 372), 208912#(<= ULTIMATE.start_main_~i~4 370), 208919#(<= ULTIMATE.start_main_~i~4 384), 208918#(<= ULTIMATE.start_main_~i~4 382), 208917#(<= ULTIMATE.start_main_~i~4 380), 208916#(<= ULTIMATE.start_main_~i~4 378), 208923#(<= ULTIMATE.start_main_~i~4 392), 208922#(<= ULTIMATE.start_main_~i~4 390), 208921#(<= ULTIMATE.start_main_~i~4 388), 208920#(<= ULTIMATE.start_main_~i~4 386), 208927#(<= ULTIMATE.start_main_~i~4 400), 208926#(<= ULTIMATE.start_main_~i~4 398), 208925#(<= ULTIMATE.start_main_~i~4 396), 208924#(<= ULTIMATE.start_main_~i~4 394), 208931#(<= ULTIMATE.start_main_~i~4 408), 208930#(<= ULTIMATE.start_main_~i~4 406), 208929#(<= ULTIMATE.start_main_~i~4 404), 208928#(<= ULTIMATE.start_main_~i~4 402), 208935#(<= ULTIMATE.start_main_~i~4 416), 208934#(<= ULTIMATE.start_main_~i~4 414), 208933#(<= ULTIMATE.start_main_~i~4 412), 208932#(<= ULTIMATE.start_main_~i~4 410), 208939#(<= ULTIMATE.start_main_~i~4 424), 208938#(<= ULTIMATE.start_main_~i~4 422), 208937#(<= ULTIMATE.start_main_~i~4 420), 208936#(<= ULTIMATE.start_main_~i~4 418), 208727#(<= ULTIMATE.start_main_~i~4 0), 208726#false, 208725#true, 208731#(<= ULTIMATE.start_main_~i~4 8), 208730#(<= ULTIMATE.start_main_~i~4 6), 208729#(<= ULTIMATE.start_main_~i~4 4), 208728#(<= ULTIMATE.start_main_~i~4 2), 208735#(<= ULTIMATE.start_main_~i~4 16), 208734#(<= ULTIMATE.start_main_~i~4 14), 208733#(<= ULTIMATE.start_main_~i~4 12), 208732#(<= ULTIMATE.start_main_~i~4 10), 208739#(<= ULTIMATE.start_main_~i~4 24), 208738#(<= ULTIMATE.start_main_~i~4 22), 208737#(<= ULTIMATE.start_main_~i~4 20), 208736#(<= ULTIMATE.start_main_~i~4 18), 208743#(<= ULTIMATE.start_main_~i~4 32), 208742#(<= ULTIMATE.start_main_~i~4 30), 208741#(<= ULTIMATE.start_main_~i~4 28), 208740#(<= ULTIMATE.start_main_~i~4 26), 208747#(<= ULTIMATE.start_main_~i~4 40), 208746#(<= ULTIMATE.start_main_~i~4 38), 208745#(<= ULTIMATE.start_main_~i~4 36), 208744#(<= ULTIMATE.start_main_~i~4 34), 208751#(<= ULTIMATE.start_main_~i~4 48), 208750#(<= ULTIMATE.start_main_~i~4 46), 208749#(<= ULTIMATE.start_main_~i~4 44), 208748#(<= ULTIMATE.start_main_~i~4 42), 208755#(<= ULTIMATE.start_main_~i~4 56), 208754#(<= ULTIMATE.start_main_~i~4 54), 208753#(<= ULTIMATE.start_main_~i~4 52), 208752#(<= ULTIMATE.start_main_~i~4 50), 208759#(<= ULTIMATE.start_main_~i~4 64), 208758#(<= ULTIMATE.start_main_~i~4 62), 208757#(<= ULTIMATE.start_main_~i~4 60), 208756#(<= ULTIMATE.start_main_~i~4 58), 208763#(<= ULTIMATE.start_main_~i~4 72), 208762#(<= ULTIMATE.start_main_~i~4 70), 208761#(<= ULTIMATE.start_main_~i~4 68), 208760#(<= ULTIMATE.start_main_~i~4 66), 208767#(<= ULTIMATE.start_main_~i~4 80), 208766#(<= ULTIMATE.start_main_~i~4 78), 208765#(<= ULTIMATE.start_main_~i~4 76), 208764#(<= ULTIMATE.start_main_~i~4 74), 208771#(<= ULTIMATE.start_main_~i~4 88), 208770#(<= ULTIMATE.start_main_~i~4 86), 208769#(<= ULTIMATE.start_main_~i~4 84), 208768#(<= ULTIMATE.start_main_~i~4 82), 208775#(<= ULTIMATE.start_main_~i~4 96), 208774#(<= ULTIMATE.start_main_~i~4 94), 208773#(<= ULTIMATE.start_main_~i~4 92), 208772#(<= ULTIMATE.start_main_~i~4 90), 208779#(<= ULTIMATE.start_main_~i~4 104), 208778#(<= ULTIMATE.start_main_~i~4 102), 208777#(<= ULTIMATE.start_main_~i~4 100), 208776#(<= ULTIMATE.start_main_~i~4 98), 208783#(<= ULTIMATE.start_main_~i~4 112), 208782#(<= ULTIMATE.start_main_~i~4 110), 208781#(<= ULTIMATE.start_main_~i~4 108), 208780#(<= ULTIMATE.start_main_~i~4 106), 208787#(<= ULTIMATE.start_main_~i~4 120), 208786#(<= ULTIMATE.start_main_~i~4 118), 208785#(<= ULTIMATE.start_main_~i~4 116), 208784#(<= ULTIMATE.start_main_~i~4 114), 208791#(<= ULTIMATE.start_main_~i~4 128), 208790#(<= ULTIMATE.start_main_~i~4 126), 208789#(<= ULTIMATE.start_main_~i~4 124), 208788#(<= ULTIMATE.start_main_~i~4 122), 208795#(<= ULTIMATE.start_main_~i~4 136), 208794#(<= ULTIMATE.start_main_~i~4 134), 208793#(<= ULTIMATE.start_main_~i~4 132), 208792#(<= ULTIMATE.start_main_~i~4 130), 208799#(<= ULTIMATE.start_main_~i~4 144), 208798#(<= ULTIMATE.start_main_~i~4 142), 208797#(<= ULTIMATE.start_main_~i~4 140), 208796#(<= ULTIMATE.start_main_~i~4 138), 208803#(<= ULTIMATE.start_main_~i~4 152), 208802#(<= ULTIMATE.start_main_~i~4 150), 208801#(<= ULTIMATE.start_main_~i~4 148), 208800#(<= ULTIMATE.start_main_~i~4 146), 208807#(<= ULTIMATE.start_main_~i~4 160), 208806#(<= ULTIMATE.start_main_~i~4 158), 208805#(<= ULTIMATE.start_main_~i~4 156), 208804#(<= ULTIMATE.start_main_~i~4 154), 208811#(<= ULTIMATE.start_main_~i~4 168), 208810#(<= ULTIMATE.start_main_~i~4 166), 208809#(<= ULTIMATE.start_main_~i~4 164), 208808#(<= ULTIMATE.start_main_~i~4 162), 208815#(<= ULTIMATE.start_main_~i~4 176), 208814#(<= ULTIMATE.start_main_~i~4 174), 208813#(<= ULTIMATE.start_main_~i~4 172), 208812#(<= ULTIMATE.start_main_~i~4 170), 208819#(<= ULTIMATE.start_main_~i~4 184), 208818#(<= ULTIMATE.start_main_~i~4 182), 208817#(<= ULTIMATE.start_main_~i~4 180), 208816#(<= ULTIMATE.start_main_~i~4 178), 208823#(<= ULTIMATE.start_main_~i~4 192), 208822#(<= ULTIMATE.start_main_~i~4 190), 208821#(<= ULTIMATE.start_main_~i~4 188), 208820#(<= ULTIMATE.start_main_~i~4 186), 208827#(<= ULTIMATE.start_main_~i~4 200), 208826#(<= ULTIMATE.start_main_~i~4 198), 208825#(<= ULTIMATE.start_main_~i~4 196), 208824#(<= ULTIMATE.start_main_~i~4 194), 208831#(<= ULTIMATE.start_main_~i~4 208), 208830#(<= ULTIMATE.start_main_~i~4 206), 208829#(<= ULTIMATE.start_main_~i~4 204), 208828#(<= ULTIMATE.start_main_~i~4 202), 208835#(<= ULTIMATE.start_main_~i~4 216), 208834#(<= ULTIMATE.start_main_~i~4 214), 208833#(<= ULTIMATE.start_main_~i~4 212), 208832#(<= ULTIMATE.start_main_~i~4 210), 208839#(<= ULTIMATE.start_main_~i~4 224), 208838#(<= ULTIMATE.start_main_~i~4 222), 208837#(<= ULTIMATE.start_main_~i~4 220), 208836#(<= ULTIMATE.start_main_~i~4 218), 208843#(<= ULTIMATE.start_main_~i~4 232), 208842#(<= ULTIMATE.start_main_~i~4 230), 208841#(<= ULTIMATE.start_main_~i~4 228), 208840#(<= ULTIMATE.start_main_~i~4 226), 208847#(<= ULTIMATE.start_main_~i~4 240), 208846#(<= ULTIMATE.start_main_~i~4 238), 208845#(<= ULTIMATE.start_main_~i~4 236), 208844#(<= ULTIMATE.start_main_~i~4 234), 208851#(<= ULTIMATE.start_main_~i~4 248), 208850#(<= ULTIMATE.start_main_~i~4 246), 208849#(<= ULTIMATE.start_main_~i~4 244), 208848#(<= ULTIMATE.start_main_~i~4 242), 208855#(<= ULTIMATE.start_main_~i~4 256), 208854#(<= ULTIMATE.start_main_~i~4 254), 208853#(<= ULTIMATE.start_main_~i~4 252), 208852#(<= ULTIMATE.start_main_~i~4 250), 208859#(<= ULTIMATE.start_main_~i~4 264), 208858#(<= ULTIMATE.start_main_~i~4 262), 208857#(<= ULTIMATE.start_main_~i~4 260), 208856#(<= ULTIMATE.start_main_~i~4 258), 208863#(<= ULTIMATE.start_main_~i~4 272), 208862#(<= ULTIMATE.start_main_~i~4 270), 208861#(<= ULTIMATE.start_main_~i~4 268), 208860#(<= ULTIMATE.start_main_~i~4 266), 208867#(<= ULTIMATE.start_main_~i~4 280), 208866#(<= ULTIMATE.start_main_~i~4 278), 208865#(<= ULTIMATE.start_main_~i~4 276), 208864#(<= ULTIMATE.start_main_~i~4 274), 208871#(<= ULTIMATE.start_main_~i~4 288), 208870#(<= ULTIMATE.start_main_~i~4 286), 208869#(<= ULTIMATE.start_main_~i~4 284), 208868#(<= ULTIMATE.start_main_~i~4 282), 208875#(<= ULTIMATE.start_main_~i~4 296), 208874#(<= ULTIMATE.start_main_~i~4 294), 208873#(<= ULTIMATE.start_main_~i~4 292), 208872#(<= ULTIMATE.start_main_~i~4 290), 208879#(<= ULTIMATE.start_main_~i~4 304), 208878#(<= ULTIMATE.start_main_~i~4 302), 208877#(<= ULTIMATE.start_main_~i~4 300), 208876#(<= ULTIMATE.start_main_~i~4 298), 208883#(<= ULTIMATE.start_main_~i~4 312), 208882#(<= ULTIMATE.start_main_~i~4 310), 208881#(<= ULTIMATE.start_main_~i~4 308), 208880#(<= ULTIMATE.start_main_~i~4 306), 208887#(<= ULTIMATE.start_main_~i~4 320), 208886#(<= ULTIMATE.start_main_~i~4 318), 208885#(<= ULTIMATE.start_main_~i~4 316), 208884#(<= ULTIMATE.start_main_~i~4 314), 208891#(<= ULTIMATE.start_main_~i~4 328), 208890#(<= ULTIMATE.start_main_~i~4 326), 208889#(<= ULTIMATE.start_main_~i~4 324), 208888#(<= ULTIMATE.start_main_~i~4 322), 208895#(<= ULTIMATE.start_main_~i~4 336), 208894#(<= ULTIMATE.start_main_~i~4 334), 208893#(<= ULTIMATE.start_main_~i~4 332), 208892#(<= ULTIMATE.start_main_~i~4 330)] [2018-07-23 13:48:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 45156 backedges. 0 proven. 45156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:00,547 INFO L450 AbstractCegarLoop]: Interpolant automaton has 215 states [2018-07-23 13:48:00,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2018-07-23 13:48:00,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:48:00,549 INFO L87 Difference]: Start difference. First operand 429 states and 429 transitions. Second operand 215 states. [2018-07-23 13:48:01,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:01,611 INFO L93 Difference]: Finished difference Result 433 states and 433 transitions. [2018-07-23 13:48:01,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:48:01,612 INFO L78 Accepts]: Start accepts. Automaton has 215 states. Word has length 428 [2018-07-23 13:48:01,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:01,612 INFO L225 Difference]: With dead ends: 433 [2018-07-23 13:48:01,612 INFO L226 Difference]: Without dead ends: 431 [2018-07-23 13:48:01,613 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:48:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-07-23 13:48:01,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2018-07-23 13:48:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-07-23 13:48:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 431 transitions. [2018-07-23 13:48:01,617 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 431 transitions. Word has length 428 [2018-07-23 13:48:01,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:01,618 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 431 transitions. [2018-07-23 13:48:01,618 INFO L472 AbstractCegarLoop]: Interpolant automaton has 215 states. [2018-07-23 13:48:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 431 transitions. [2018-07-23 13:48:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-07-23 13:48:01,619 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:01,619 INFO L357 BasicCegarLoop]: trace histogram [214, 213, 1, 1, 1] [2018-07-23 13:48:01,619 INFO L414 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:01,619 INFO L82 PathProgramCache]: Analyzing trace with hash -853766519, now seen corresponding path program 213 times [2018-07-23 13:48:01,620 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 45582 backedges. 0 proven. 45582 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:02,973 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:02,973 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:48:02,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:02,974 INFO L185 omatonBuilderFactory]: Interpolants [210671#(<= ULTIMATE.start_main_~i~4 2), 210670#(<= ULTIMATE.start_main_~i~4 0), 210669#false, 210668#true, 210675#(<= ULTIMATE.start_main_~i~4 10), 210674#(<= ULTIMATE.start_main_~i~4 8), 210673#(<= ULTIMATE.start_main_~i~4 6), 210672#(<= ULTIMATE.start_main_~i~4 4), 210679#(<= ULTIMATE.start_main_~i~4 18), 210678#(<= ULTIMATE.start_main_~i~4 16), 210677#(<= ULTIMATE.start_main_~i~4 14), 210676#(<= ULTIMATE.start_main_~i~4 12), 210683#(<= ULTIMATE.start_main_~i~4 26), 210682#(<= ULTIMATE.start_main_~i~4 24), 210681#(<= ULTIMATE.start_main_~i~4 22), 210680#(<= ULTIMATE.start_main_~i~4 20), 210687#(<= ULTIMATE.start_main_~i~4 34), 210686#(<= ULTIMATE.start_main_~i~4 32), 210685#(<= ULTIMATE.start_main_~i~4 30), 210684#(<= ULTIMATE.start_main_~i~4 28), 210691#(<= ULTIMATE.start_main_~i~4 42), 210690#(<= ULTIMATE.start_main_~i~4 40), 210689#(<= ULTIMATE.start_main_~i~4 38), 210688#(<= ULTIMATE.start_main_~i~4 36), 210695#(<= ULTIMATE.start_main_~i~4 50), 210694#(<= ULTIMATE.start_main_~i~4 48), 210693#(<= ULTIMATE.start_main_~i~4 46), 210692#(<= ULTIMATE.start_main_~i~4 44), 210699#(<= ULTIMATE.start_main_~i~4 58), 210698#(<= ULTIMATE.start_main_~i~4 56), 210697#(<= ULTIMATE.start_main_~i~4 54), 210696#(<= ULTIMATE.start_main_~i~4 52), 210703#(<= ULTIMATE.start_main_~i~4 66), 210702#(<= ULTIMATE.start_main_~i~4 64), 210701#(<= ULTIMATE.start_main_~i~4 62), 210700#(<= ULTIMATE.start_main_~i~4 60), 210707#(<= ULTIMATE.start_main_~i~4 74), 210706#(<= ULTIMATE.start_main_~i~4 72), 210705#(<= ULTIMATE.start_main_~i~4 70), 210704#(<= ULTIMATE.start_main_~i~4 68), 210711#(<= ULTIMATE.start_main_~i~4 82), 210710#(<= ULTIMATE.start_main_~i~4 80), 210709#(<= ULTIMATE.start_main_~i~4 78), 210708#(<= ULTIMATE.start_main_~i~4 76), 210715#(<= ULTIMATE.start_main_~i~4 90), 210714#(<= ULTIMATE.start_main_~i~4 88), 210713#(<= ULTIMATE.start_main_~i~4 86), 210712#(<= ULTIMATE.start_main_~i~4 84), 210719#(<= ULTIMATE.start_main_~i~4 98), 210718#(<= ULTIMATE.start_main_~i~4 96), 210717#(<= ULTIMATE.start_main_~i~4 94), 210716#(<= ULTIMATE.start_main_~i~4 92), 210723#(<= ULTIMATE.start_main_~i~4 106), 210722#(<= ULTIMATE.start_main_~i~4 104), 210721#(<= ULTIMATE.start_main_~i~4 102), 210720#(<= ULTIMATE.start_main_~i~4 100), 210727#(<= ULTIMATE.start_main_~i~4 114), 210726#(<= ULTIMATE.start_main_~i~4 112), 210725#(<= ULTIMATE.start_main_~i~4 110), 210724#(<= ULTIMATE.start_main_~i~4 108), 210731#(<= ULTIMATE.start_main_~i~4 122), 210730#(<= ULTIMATE.start_main_~i~4 120), 210729#(<= ULTIMATE.start_main_~i~4 118), 210728#(<= ULTIMATE.start_main_~i~4 116), 210735#(<= ULTIMATE.start_main_~i~4 130), 210734#(<= ULTIMATE.start_main_~i~4 128), 210733#(<= ULTIMATE.start_main_~i~4 126), 210732#(<= ULTIMATE.start_main_~i~4 124), 210739#(<= ULTIMATE.start_main_~i~4 138), 210738#(<= ULTIMATE.start_main_~i~4 136), 210737#(<= ULTIMATE.start_main_~i~4 134), 210736#(<= ULTIMATE.start_main_~i~4 132), 210743#(<= ULTIMATE.start_main_~i~4 146), 210742#(<= ULTIMATE.start_main_~i~4 144), 210741#(<= ULTIMATE.start_main_~i~4 142), 210740#(<= ULTIMATE.start_main_~i~4 140), 210747#(<= ULTIMATE.start_main_~i~4 154), 210746#(<= ULTIMATE.start_main_~i~4 152), 210745#(<= ULTIMATE.start_main_~i~4 150), 210744#(<= ULTIMATE.start_main_~i~4 148), 210751#(<= ULTIMATE.start_main_~i~4 162), 210750#(<= ULTIMATE.start_main_~i~4 160), 210749#(<= ULTIMATE.start_main_~i~4 158), 210748#(<= ULTIMATE.start_main_~i~4 156), 210755#(<= ULTIMATE.start_main_~i~4 170), 210754#(<= ULTIMATE.start_main_~i~4 168), 210753#(<= ULTIMATE.start_main_~i~4 166), 210752#(<= ULTIMATE.start_main_~i~4 164), 210759#(<= ULTIMATE.start_main_~i~4 178), 210758#(<= ULTIMATE.start_main_~i~4 176), 210757#(<= ULTIMATE.start_main_~i~4 174), 210756#(<= ULTIMATE.start_main_~i~4 172), 210763#(<= ULTIMATE.start_main_~i~4 186), 210762#(<= ULTIMATE.start_main_~i~4 184), 210761#(<= ULTIMATE.start_main_~i~4 182), 210760#(<= ULTIMATE.start_main_~i~4 180), 210767#(<= ULTIMATE.start_main_~i~4 194), 210766#(<= ULTIMATE.start_main_~i~4 192), 210765#(<= ULTIMATE.start_main_~i~4 190), 210764#(<= ULTIMATE.start_main_~i~4 188), 210771#(<= ULTIMATE.start_main_~i~4 202), 210770#(<= ULTIMATE.start_main_~i~4 200), 210769#(<= ULTIMATE.start_main_~i~4 198), 210768#(<= ULTIMATE.start_main_~i~4 196), 210775#(<= ULTIMATE.start_main_~i~4 210), 210774#(<= ULTIMATE.start_main_~i~4 208), 210773#(<= ULTIMATE.start_main_~i~4 206), 210772#(<= ULTIMATE.start_main_~i~4 204), 210779#(<= ULTIMATE.start_main_~i~4 218), 210778#(<= ULTIMATE.start_main_~i~4 216), 210777#(<= ULTIMATE.start_main_~i~4 214), 210776#(<= ULTIMATE.start_main_~i~4 212), 210783#(<= ULTIMATE.start_main_~i~4 226), 210782#(<= ULTIMATE.start_main_~i~4 224), 210781#(<= ULTIMATE.start_main_~i~4 222), 210780#(<= ULTIMATE.start_main_~i~4 220), 210787#(<= ULTIMATE.start_main_~i~4 234), 210786#(<= ULTIMATE.start_main_~i~4 232), 210785#(<= ULTIMATE.start_main_~i~4 230), 210784#(<= ULTIMATE.start_main_~i~4 228), 210791#(<= ULTIMATE.start_main_~i~4 242), 210790#(<= ULTIMATE.start_main_~i~4 240), 210789#(<= ULTIMATE.start_main_~i~4 238), 210788#(<= ULTIMATE.start_main_~i~4 236), 210795#(<= ULTIMATE.start_main_~i~4 250), 210794#(<= ULTIMATE.start_main_~i~4 248), 210793#(<= ULTIMATE.start_main_~i~4 246), 210792#(<= ULTIMATE.start_main_~i~4 244), 210799#(<= ULTIMATE.start_main_~i~4 258), 210798#(<= ULTIMATE.start_main_~i~4 256), 210797#(<= ULTIMATE.start_main_~i~4 254), 210796#(<= ULTIMATE.start_main_~i~4 252), 210803#(<= ULTIMATE.start_main_~i~4 266), 210802#(<= ULTIMATE.start_main_~i~4 264), 210801#(<= ULTIMATE.start_main_~i~4 262), 210800#(<= ULTIMATE.start_main_~i~4 260), 210807#(<= ULTIMATE.start_main_~i~4 274), 210806#(<= ULTIMATE.start_main_~i~4 272), 210805#(<= ULTIMATE.start_main_~i~4 270), 210804#(<= ULTIMATE.start_main_~i~4 268), 210811#(<= ULTIMATE.start_main_~i~4 282), 210810#(<= ULTIMATE.start_main_~i~4 280), 210809#(<= ULTIMATE.start_main_~i~4 278), 210808#(<= ULTIMATE.start_main_~i~4 276), 210815#(<= ULTIMATE.start_main_~i~4 290), 210814#(<= ULTIMATE.start_main_~i~4 288), 210813#(<= ULTIMATE.start_main_~i~4 286), 210812#(<= ULTIMATE.start_main_~i~4 284), 210819#(<= ULTIMATE.start_main_~i~4 298), 210818#(<= ULTIMATE.start_main_~i~4 296), 210817#(<= ULTIMATE.start_main_~i~4 294), 210816#(<= ULTIMATE.start_main_~i~4 292), 210823#(<= ULTIMATE.start_main_~i~4 306), 210822#(<= ULTIMATE.start_main_~i~4 304), 210821#(<= ULTIMATE.start_main_~i~4 302), 210820#(<= ULTIMATE.start_main_~i~4 300), 210827#(<= ULTIMATE.start_main_~i~4 314), 210826#(<= ULTIMATE.start_main_~i~4 312), 210825#(<= ULTIMATE.start_main_~i~4 310), 210824#(<= ULTIMATE.start_main_~i~4 308), 210831#(<= ULTIMATE.start_main_~i~4 322), 210830#(<= ULTIMATE.start_main_~i~4 320), 210829#(<= ULTIMATE.start_main_~i~4 318), 210828#(<= ULTIMATE.start_main_~i~4 316), 210835#(<= ULTIMATE.start_main_~i~4 330), 210834#(<= ULTIMATE.start_main_~i~4 328), 210833#(<= ULTIMATE.start_main_~i~4 326), 210832#(<= ULTIMATE.start_main_~i~4 324), 210839#(<= ULTIMATE.start_main_~i~4 338), 210838#(<= ULTIMATE.start_main_~i~4 336), 210837#(<= ULTIMATE.start_main_~i~4 334), 210836#(<= ULTIMATE.start_main_~i~4 332), 210843#(<= ULTIMATE.start_main_~i~4 346), 210842#(<= ULTIMATE.start_main_~i~4 344), 210841#(<= ULTIMATE.start_main_~i~4 342), 210840#(<= ULTIMATE.start_main_~i~4 340), 210847#(<= ULTIMATE.start_main_~i~4 354), 210846#(<= ULTIMATE.start_main_~i~4 352), 210845#(<= ULTIMATE.start_main_~i~4 350), 210844#(<= ULTIMATE.start_main_~i~4 348), 210851#(<= ULTIMATE.start_main_~i~4 362), 210850#(<= ULTIMATE.start_main_~i~4 360), 210849#(<= ULTIMATE.start_main_~i~4 358), 210848#(<= ULTIMATE.start_main_~i~4 356), 210855#(<= ULTIMATE.start_main_~i~4 370), 210854#(<= ULTIMATE.start_main_~i~4 368), 210853#(<= ULTIMATE.start_main_~i~4 366), 210852#(<= ULTIMATE.start_main_~i~4 364), 210859#(<= ULTIMATE.start_main_~i~4 378), 210858#(<= ULTIMATE.start_main_~i~4 376), 210857#(<= ULTIMATE.start_main_~i~4 374), 210856#(<= ULTIMATE.start_main_~i~4 372), 210863#(<= ULTIMATE.start_main_~i~4 386), 210862#(<= ULTIMATE.start_main_~i~4 384), 210861#(<= ULTIMATE.start_main_~i~4 382), 210860#(<= ULTIMATE.start_main_~i~4 380), 210867#(<= ULTIMATE.start_main_~i~4 394), 210866#(<= ULTIMATE.start_main_~i~4 392), 210865#(<= ULTIMATE.start_main_~i~4 390), 210864#(<= ULTIMATE.start_main_~i~4 388), 210871#(<= ULTIMATE.start_main_~i~4 402), 210870#(<= ULTIMATE.start_main_~i~4 400), 210869#(<= ULTIMATE.start_main_~i~4 398), 210868#(<= ULTIMATE.start_main_~i~4 396), 210875#(<= ULTIMATE.start_main_~i~4 410), 210874#(<= ULTIMATE.start_main_~i~4 408), 210873#(<= ULTIMATE.start_main_~i~4 406), 210872#(<= ULTIMATE.start_main_~i~4 404), 210879#(<= ULTIMATE.start_main_~i~4 418), 210878#(<= ULTIMATE.start_main_~i~4 416), 210877#(<= ULTIMATE.start_main_~i~4 414), 210876#(<= ULTIMATE.start_main_~i~4 412), 210883#(<= ULTIMATE.start_main_~i~4 426), 210882#(<= ULTIMATE.start_main_~i~4 424), 210881#(<= ULTIMATE.start_main_~i~4 422), 210880#(<= ULTIMATE.start_main_~i~4 420)] [2018-07-23 13:48:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 45582 backedges. 0 proven. 45582 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:02,976 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:48:02,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:48:02,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:48:02,981 INFO L87 Difference]: Start difference. First operand 431 states and 431 transitions. Second operand 216 states. [2018-07-23 13:48:05,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:05,457 INFO L93 Difference]: Finished difference Result 435 states and 435 transitions. [2018-07-23 13:48:05,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2018-07-23 13:48:05,457 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 430 [2018-07-23 13:48:05,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:05,458 INFO L225 Difference]: With dead ends: 435 [2018-07-23 13:48:05,458 INFO L226 Difference]: Without dead ends: 433 [2018-07-23 13:48:05,460 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:48:05,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-07-23 13:48:05,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2018-07-23 13:48:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-07-23 13:48:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 433 transitions. [2018-07-23 13:48:05,464 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 433 transitions. Word has length 430 [2018-07-23 13:48:05,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:05,464 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 433 transitions. [2018-07-23 13:48:05,464 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:48:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 433 transitions. [2018-07-23 13:48:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-07-23 13:48:05,466 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:05,466 INFO L357 BasicCegarLoop]: trace histogram [215, 214, 1, 1, 1] [2018-07-23 13:48:05,466 INFO L414 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:05,466 INFO L82 PathProgramCache]: Analyzing trace with hash -130819133, now seen corresponding path program 214 times [2018-07-23 13:48:05,466 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 46010 backedges. 0 proven. 46010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:06,836 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:06,836 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:48:06,837 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:06,837 INFO L185 omatonBuilderFactory]: Interpolants [212623#(<= ULTIMATE.start_main_~i~4 2), 212622#(<= ULTIMATE.start_main_~i~4 0), 212621#false, 212620#true, 212627#(<= ULTIMATE.start_main_~i~4 10), 212626#(<= ULTIMATE.start_main_~i~4 8), 212625#(<= ULTIMATE.start_main_~i~4 6), 212624#(<= ULTIMATE.start_main_~i~4 4), 212631#(<= ULTIMATE.start_main_~i~4 18), 212630#(<= ULTIMATE.start_main_~i~4 16), 212629#(<= ULTIMATE.start_main_~i~4 14), 212628#(<= ULTIMATE.start_main_~i~4 12), 212635#(<= ULTIMATE.start_main_~i~4 26), 212634#(<= ULTIMATE.start_main_~i~4 24), 212633#(<= ULTIMATE.start_main_~i~4 22), 212632#(<= ULTIMATE.start_main_~i~4 20), 212639#(<= ULTIMATE.start_main_~i~4 34), 212638#(<= ULTIMATE.start_main_~i~4 32), 212637#(<= ULTIMATE.start_main_~i~4 30), 212636#(<= ULTIMATE.start_main_~i~4 28), 212643#(<= ULTIMATE.start_main_~i~4 42), 212642#(<= ULTIMATE.start_main_~i~4 40), 212641#(<= ULTIMATE.start_main_~i~4 38), 212640#(<= ULTIMATE.start_main_~i~4 36), 212647#(<= ULTIMATE.start_main_~i~4 50), 212646#(<= ULTIMATE.start_main_~i~4 48), 212645#(<= ULTIMATE.start_main_~i~4 46), 212644#(<= ULTIMATE.start_main_~i~4 44), 212651#(<= ULTIMATE.start_main_~i~4 58), 212650#(<= ULTIMATE.start_main_~i~4 56), 212649#(<= ULTIMATE.start_main_~i~4 54), 212648#(<= ULTIMATE.start_main_~i~4 52), 212655#(<= ULTIMATE.start_main_~i~4 66), 212654#(<= ULTIMATE.start_main_~i~4 64), 212653#(<= ULTIMATE.start_main_~i~4 62), 212652#(<= ULTIMATE.start_main_~i~4 60), 212659#(<= ULTIMATE.start_main_~i~4 74), 212658#(<= ULTIMATE.start_main_~i~4 72), 212657#(<= ULTIMATE.start_main_~i~4 70), 212656#(<= ULTIMATE.start_main_~i~4 68), 212663#(<= ULTIMATE.start_main_~i~4 82), 212662#(<= ULTIMATE.start_main_~i~4 80), 212661#(<= ULTIMATE.start_main_~i~4 78), 212660#(<= ULTIMATE.start_main_~i~4 76), 212667#(<= ULTIMATE.start_main_~i~4 90), 212666#(<= ULTIMATE.start_main_~i~4 88), 212665#(<= ULTIMATE.start_main_~i~4 86), 212664#(<= ULTIMATE.start_main_~i~4 84), 212671#(<= ULTIMATE.start_main_~i~4 98), 212670#(<= ULTIMATE.start_main_~i~4 96), 212669#(<= ULTIMATE.start_main_~i~4 94), 212668#(<= ULTIMATE.start_main_~i~4 92), 212675#(<= ULTIMATE.start_main_~i~4 106), 212674#(<= ULTIMATE.start_main_~i~4 104), 212673#(<= ULTIMATE.start_main_~i~4 102), 212672#(<= ULTIMATE.start_main_~i~4 100), 212679#(<= ULTIMATE.start_main_~i~4 114), 212678#(<= ULTIMATE.start_main_~i~4 112), 212677#(<= ULTIMATE.start_main_~i~4 110), 212676#(<= ULTIMATE.start_main_~i~4 108), 212683#(<= ULTIMATE.start_main_~i~4 122), 212682#(<= ULTIMATE.start_main_~i~4 120), 212681#(<= ULTIMATE.start_main_~i~4 118), 212680#(<= ULTIMATE.start_main_~i~4 116), 212687#(<= ULTIMATE.start_main_~i~4 130), 212686#(<= ULTIMATE.start_main_~i~4 128), 212685#(<= ULTIMATE.start_main_~i~4 126), 212684#(<= ULTIMATE.start_main_~i~4 124), 212691#(<= ULTIMATE.start_main_~i~4 138), 212690#(<= ULTIMATE.start_main_~i~4 136), 212689#(<= ULTIMATE.start_main_~i~4 134), 212688#(<= ULTIMATE.start_main_~i~4 132), 212695#(<= ULTIMATE.start_main_~i~4 146), 212694#(<= ULTIMATE.start_main_~i~4 144), 212693#(<= ULTIMATE.start_main_~i~4 142), 212692#(<= ULTIMATE.start_main_~i~4 140), 212699#(<= ULTIMATE.start_main_~i~4 154), 212698#(<= ULTIMATE.start_main_~i~4 152), 212697#(<= ULTIMATE.start_main_~i~4 150), 212696#(<= ULTIMATE.start_main_~i~4 148), 212703#(<= ULTIMATE.start_main_~i~4 162), 212702#(<= ULTIMATE.start_main_~i~4 160), 212701#(<= ULTIMATE.start_main_~i~4 158), 212700#(<= ULTIMATE.start_main_~i~4 156), 212707#(<= ULTIMATE.start_main_~i~4 170), 212706#(<= ULTIMATE.start_main_~i~4 168), 212705#(<= ULTIMATE.start_main_~i~4 166), 212704#(<= ULTIMATE.start_main_~i~4 164), 212711#(<= ULTIMATE.start_main_~i~4 178), 212710#(<= ULTIMATE.start_main_~i~4 176), 212709#(<= ULTIMATE.start_main_~i~4 174), 212708#(<= ULTIMATE.start_main_~i~4 172), 212715#(<= ULTIMATE.start_main_~i~4 186), 212714#(<= ULTIMATE.start_main_~i~4 184), 212713#(<= ULTIMATE.start_main_~i~4 182), 212712#(<= ULTIMATE.start_main_~i~4 180), 212719#(<= ULTIMATE.start_main_~i~4 194), 212718#(<= ULTIMATE.start_main_~i~4 192), 212717#(<= ULTIMATE.start_main_~i~4 190), 212716#(<= ULTIMATE.start_main_~i~4 188), 212723#(<= ULTIMATE.start_main_~i~4 202), 212722#(<= ULTIMATE.start_main_~i~4 200), 212721#(<= ULTIMATE.start_main_~i~4 198), 212720#(<= ULTIMATE.start_main_~i~4 196), 212727#(<= ULTIMATE.start_main_~i~4 210), 212726#(<= ULTIMATE.start_main_~i~4 208), 212725#(<= ULTIMATE.start_main_~i~4 206), 212724#(<= ULTIMATE.start_main_~i~4 204), 212731#(<= ULTIMATE.start_main_~i~4 218), 212730#(<= ULTIMATE.start_main_~i~4 216), 212729#(<= ULTIMATE.start_main_~i~4 214), 212728#(<= ULTIMATE.start_main_~i~4 212), 212735#(<= ULTIMATE.start_main_~i~4 226), 212734#(<= ULTIMATE.start_main_~i~4 224), 212733#(<= ULTIMATE.start_main_~i~4 222), 212732#(<= ULTIMATE.start_main_~i~4 220), 212739#(<= ULTIMATE.start_main_~i~4 234), 212738#(<= ULTIMATE.start_main_~i~4 232), 212737#(<= ULTIMATE.start_main_~i~4 230), 212736#(<= ULTIMATE.start_main_~i~4 228), 212743#(<= ULTIMATE.start_main_~i~4 242), 212742#(<= ULTIMATE.start_main_~i~4 240), 212741#(<= ULTIMATE.start_main_~i~4 238), 212740#(<= ULTIMATE.start_main_~i~4 236), 212747#(<= ULTIMATE.start_main_~i~4 250), 212746#(<= ULTIMATE.start_main_~i~4 248), 212745#(<= ULTIMATE.start_main_~i~4 246), 212744#(<= ULTIMATE.start_main_~i~4 244), 212751#(<= ULTIMATE.start_main_~i~4 258), 212750#(<= ULTIMATE.start_main_~i~4 256), 212749#(<= ULTIMATE.start_main_~i~4 254), 212748#(<= ULTIMATE.start_main_~i~4 252), 212755#(<= ULTIMATE.start_main_~i~4 266), 212754#(<= ULTIMATE.start_main_~i~4 264), 212753#(<= ULTIMATE.start_main_~i~4 262), 212752#(<= ULTIMATE.start_main_~i~4 260), 212759#(<= ULTIMATE.start_main_~i~4 274), 212758#(<= ULTIMATE.start_main_~i~4 272), 212757#(<= ULTIMATE.start_main_~i~4 270), 212756#(<= ULTIMATE.start_main_~i~4 268), 212763#(<= ULTIMATE.start_main_~i~4 282), 212762#(<= ULTIMATE.start_main_~i~4 280), 212761#(<= ULTIMATE.start_main_~i~4 278), 212760#(<= ULTIMATE.start_main_~i~4 276), 212767#(<= ULTIMATE.start_main_~i~4 290), 212766#(<= ULTIMATE.start_main_~i~4 288), 212765#(<= ULTIMATE.start_main_~i~4 286), 212764#(<= ULTIMATE.start_main_~i~4 284), 212771#(<= ULTIMATE.start_main_~i~4 298), 212770#(<= ULTIMATE.start_main_~i~4 296), 212769#(<= ULTIMATE.start_main_~i~4 294), 212768#(<= ULTIMATE.start_main_~i~4 292), 212775#(<= ULTIMATE.start_main_~i~4 306), 212774#(<= ULTIMATE.start_main_~i~4 304), 212773#(<= ULTIMATE.start_main_~i~4 302), 212772#(<= ULTIMATE.start_main_~i~4 300), 212779#(<= ULTIMATE.start_main_~i~4 314), 212778#(<= ULTIMATE.start_main_~i~4 312), 212777#(<= ULTIMATE.start_main_~i~4 310), 212776#(<= ULTIMATE.start_main_~i~4 308), 212783#(<= ULTIMATE.start_main_~i~4 322), 212782#(<= ULTIMATE.start_main_~i~4 320), 212781#(<= ULTIMATE.start_main_~i~4 318), 212780#(<= ULTIMATE.start_main_~i~4 316), 212787#(<= ULTIMATE.start_main_~i~4 330), 212786#(<= ULTIMATE.start_main_~i~4 328), 212785#(<= ULTIMATE.start_main_~i~4 326), 212784#(<= ULTIMATE.start_main_~i~4 324), 212791#(<= ULTIMATE.start_main_~i~4 338), 212790#(<= ULTIMATE.start_main_~i~4 336), 212789#(<= ULTIMATE.start_main_~i~4 334), 212788#(<= ULTIMATE.start_main_~i~4 332), 212795#(<= ULTIMATE.start_main_~i~4 346), 212794#(<= ULTIMATE.start_main_~i~4 344), 212793#(<= ULTIMATE.start_main_~i~4 342), 212792#(<= ULTIMATE.start_main_~i~4 340), 212799#(<= ULTIMATE.start_main_~i~4 354), 212798#(<= ULTIMATE.start_main_~i~4 352), 212797#(<= ULTIMATE.start_main_~i~4 350), 212796#(<= ULTIMATE.start_main_~i~4 348), 212803#(<= ULTIMATE.start_main_~i~4 362), 212802#(<= ULTIMATE.start_main_~i~4 360), 212801#(<= ULTIMATE.start_main_~i~4 358), 212800#(<= ULTIMATE.start_main_~i~4 356), 212807#(<= ULTIMATE.start_main_~i~4 370), 212806#(<= ULTIMATE.start_main_~i~4 368), 212805#(<= ULTIMATE.start_main_~i~4 366), 212804#(<= ULTIMATE.start_main_~i~4 364), 212811#(<= ULTIMATE.start_main_~i~4 378), 212810#(<= ULTIMATE.start_main_~i~4 376), 212809#(<= ULTIMATE.start_main_~i~4 374), 212808#(<= ULTIMATE.start_main_~i~4 372), 212815#(<= ULTIMATE.start_main_~i~4 386), 212814#(<= ULTIMATE.start_main_~i~4 384), 212813#(<= ULTIMATE.start_main_~i~4 382), 212812#(<= ULTIMATE.start_main_~i~4 380), 212819#(<= ULTIMATE.start_main_~i~4 394), 212818#(<= ULTIMATE.start_main_~i~4 392), 212817#(<= ULTIMATE.start_main_~i~4 390), 212816#(<= ULTIMATE.start_main_~i~4 388), 212823#(<= ULTIMATE.start_main_~i~4 402), 212822#(<= ULTIMATE.start_main_~i~4 400), 212821#(<= ULTIMATE.start_main_~i~4 398), 212820#(<= ULTIMATE.start_main_~i~4 396), 212827#(<= ULTIMATE.start_main_~i~4 410), 212826#(<= ULTIMATE.start_main_~i~4 408), 212825#(<= ULTIMATE.start_main_~i~4 406), 212824#(<= ULTIMATE.start_main_~i~4 404), 212831#(<= ULTIMATE.start_main_~i~4 418), 212830#(<= ULTIMATE.start_main_~i~4 416), 212829#(<= ULTIMATE.start_main_~i~4 414), 212828#(<= ULTIMATE.start_main_~i~4 412), 212835#(<= ULTIMATE.start_main_~i~4 426), 212834#(<= ULTIMATE.start_main_~i~4 424), 212833#(<= ULTIMATE.start_main_~i~4 422), 212832#(<= ULTIMATE.start_main_~i~4 420), 212836#(<= ULTIMATE.start_main_~i~4 428)] [2018-07-23 13:48:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 46010 backedges. 0 proven. 46010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:06,839 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:48:06,841 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:48:06,842 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:48:06,842 INFO L87 Difference]: Start difference. First operand 433 states and 433 transitions. Second operand 217 states. [2018-07-23 13:48:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:08,106 INFO L93 Difference]: Finished difference Result 437 states and 437 transitions. [2018-07-23 13:48:08,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:48:08,106 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 432 [2018-07-23 13:48:08,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:08,107 INFO L225 Difference]: With dead ends: 437 [2018-07-23 13:48:08,107 INFO L226 Difference]: Without dead ends: 435 [2018-07-23 13:48:08,108 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:48:08,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-07-23 13:48:08,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2018-07-23 13:48:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-07-23 13:48:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 435 transitions. [2018-07-23 13:48:08,112 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 435 transitions. Word has length 432 [2018-07-23 13:48:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:08,112 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 435 transitions. [2018-07-23 13:48:08,112 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:48:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 435 transitions. [2018-07-23 13:48:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-07-23 13:48:08,113 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:08,114 INFO L357 BasicCegarLoop]: trace histogram [216, 215, 1, 1, 1] [2018-07-23 13:48:08,114 INFO L414 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:08,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1163083139, now seen corresponding path program 215 times [2018-07-23 13:48:08,114 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 46440 backedges. 0 proven. 46440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:09,463 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:09,463 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [217] total 217 [2018-07-23 13:48:09,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:09,463 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 13:48:09,464 INFO L185 omatonBuilderFactory]: Interpolants [214583#(<= ULTIMATE.start_main_~i~4 0), 214582#false, 214581#true, 214587#(<= ULTIMATE.start_main_~i~4 8), 214586#(<= ULTIMATE.start_main_~i~4 6), 214585#(<= ULTIMATE.start_main_~i~4 4), 214584#(<= ULTIMATE.start_main_~i~4 2), 214591#(<= ULTIMATE.start_main_~i~4 16), 214590#(<= ULTIMATE.start_main_~i~4 14), 214589#(<= ULTIMATE.start_main_~i~4 12), 214588#(<= ULTIMATE.start_main_~i~4 10), 214595#(<= ULTIMATE.start_main_~i~4 24), 214594#(<= ULTIMATE.start_main_~i~4 22), 214593#(<= ULTIMATE.start_main_~i~4 20), 214592#(<= ULTIMATE.start_main_~i~4 18), 214599#(<= ULTIMATE.start_main_~i~4 32), 214598#(<= ULTIMATE.start_main_~i~4 30), 214597#(<= ULTIMATE.start_main_~i~4 28), 214596#(<= ULTIMATE.start_main_~i~4 26), 214603#(<= ULTIMATE.start_main_~i~4 40), 214602#(<= ULTIMATE.start_main_~i~4 38), 214601#(<= ULTIMATE.start_main_~i~4 36), 214600#(<= ULTIMATE.start_main_~i~4 34), 214607#(<= ULTIMATE.start_main_~i~4 48), 214606#(<= ULTIMATE.start_main_~i~4 46), 214605#(<= ULTIMATE.start_main_~i~4 44), 214604#(<= ULTIMATE.start_main_~i~4 42), 214611#(<= ULTIMATE.start_main_~i~4 56), 214610#(<= ULTIMATE.start_main_~i~4 54), 214609#(<= ULTIMATE.start_main_~i~4 52), 214608#(<= ULTIMATE.start_main_~i~4 50), 214615#(<= ULTIMATE.start_main_~i~4 64), 214614#(<= ULTIMATE.start_main_~i~4 62), 214613#(<= ULTIMATE.start_main_~i~4 60), 214612#(<= ULTIMATE.start_main_~i~4 58), 214619#(<= ULTIMATE.start_main_~i~4 72), 214618#(<= ULTIMATE.start_main_~i~4 70), 214617#(<= ULTIMATE.start_main_~i~4 68), 214616#(<= ULTIMATE.start_main_~i~4 66), 214623#(<= ULTIMATE.start_main_~i~4 80), 214622#(<= ULTIMATE.start_main_~i~4 78), 214621#(<= ULTIMATE.start_main_~i~4 76), 214620#(<= ULTIMATE.start_main_~i~4 74), 214627#(<= ULTIMATE.start_main_~i~4 88), 214626#(<= ULTIMATE.start_main_~i~4 86), 214625#(<= ULTIMATE.start_main_~i~4 84), 214624#(<= ULTIMATE.start_main_~i~4 82), 214631#(<= ULTIMATE.start_main_~i~4 96), 214630#(<= ULTIMATE.start_main_~i~4 94), 214629#(<= ULTIMATE.start_main_~i~4 92), 214628#(<= ULTIMATE.start_main_~i~4 90), 214635#(<= ULTIMATE.start_main_~i~4 104), 214634#(<= ULTIMATE.start_main_~i~4 102), 214633#(<= ULTIMATE.start_main_~i~4 100), 214632#(<= ULTIMATE.start_main_~i~4 98), 214639#(<= ULTIMATE.start_main_~i~4 112), 214638#(<= ULTIMATE.start_main_~i~4 110), 214637#(<= ULTIMATE.start_main_~i~4 108), 214636#(<= ULTIMATE.start_main_~i~4 106), 214643#(<= ULTIMATE.start_main_~i~4 120), 214642#(<= ULTIMATE.start_main_~i~4 118), 214641#(<= ULTIMATE.start_main_~i~4 116), 214640#(<= ULTIMATE.start_main_~i~4 114), 214647#(<= ULTIMATE.start_main_~i~4 128), 214646#(<= ULTIMATE.start_main_~i~4 126), 214645#(<= ULTIMATE.start_main_~i~4 124), 214644#(<= ULTIMATE.start_main_~i~4 122), 214651#(<= ULTIMATE.start_main_~i~4 136), 214650#(<= ULTIMATE.start_main_~i~4 134), 214649#(<= ULTIMATE.start_main_~i~4 132), 214648#(<= ULTIMATE.start_main_~i~4 130), 214655#(<= ULTIMATE.start_main_~i~4 144), 214654#(<= ULTIMATE.start_main_~i~4 142), 214653#(<= ULTIMATE.start_main_~i~4 140), 214652#(<= ULTIMATE.start_main_~i~4 138), 214659#(<= ULTIMATE.start_main_~i~4 152), 214658#(<= ULTIMATE.start_main_~i~4 150), 214657#(<= ULTIMATE.start_main_~i~4 148), 214656#(<= ULTIMATE.start_main_~i~4 146), 214663#(<= ULTIMATE.start_main_~i~4 160), 214662#(<= ULTIMATE.start_main_~i~4 158), 214661#(<= ULTIMATE.start_main_~i~4 156), 214660#(<= ULTIMATE.start_main_~i~4 154), 214667#(<= ULTIMATE.start_main_~i~4 168), 214666#(<= ULTIMATE.start_main_~i~4 166), 214665#(<= ULTIMATE.start_main_~i~4 164), 214664#(<= ULTIMATE.start_main_~i~4 162), 214671#(<= ULTIMATE.start_main_~i~4 176), 214670#(<= ULTIMATE.start_main_~i~4 174), 214669#(<= ULTIMATE.start_main_~i~4 172), 214668#(<= ULTIMATE.start_main_~i~4 170), 214675#(<= ULTIMATE.start_main_~i~4 184), 214674#(<= ULTIMATE.start_main_~i~4 182), 214673#(<= ULTIMATE.start_main_~i~4 180), 214672#(<= ULTIMATE.start_main_~i~4 178), 214679#(<= ULTIMATE.start_main_~i~4 192), 214678#(<= ULTIMATE.start_main_~i~4 190), 214677#(<= ULTIMATE.start_main_~i~4 188), 214676#(<= ULTIMATE.start_main_~i~4 186), 214683#(<= ULTIMATE.start_main_~i~4 200), 214682#(<= ULTIMATE.start_main_~i~4 198), 214681#(<= ULTIMATE.start_main_~i~4 196), 214680#(<= ULTIMATE.start_main_~i~4 194), 214687#(<= ULTIMATE.start_main_~i~4 208), 214686#(<= ULTIMATE.start_main_~i~4 206), 214685#(<= ULTIMATE.start_main_~i~4 204), 214684#(<= ULTIMATE.start_main_~i~4 202), 214691#(<= ULTIMATE.start_main_~i~4 216), 214690#(<= ULTIMATE.start_main_~i~4 214), 214689#(<= ULTIMATE.start_main_~i~4 212), 214688#(<= ULTIMATE.start_main_~i~4 210), 214695#(<= ULTIMATE.start_main_~i~4 224), 214694#(<= ULTIMATE.start_main_~i~4 222), 214693#(<= ULTIMATE.start_main_~i~4 220), 214692#(<= ULTIMATE.start_main_~i~4 218), 214699#(<= ULTIMATE.start_main_~i~4 232), 214698#(<= ULTIMATE.start_main_~i~4 230), 214697#(<= ULTIMATE.start_main_~i~4 228), 214696#(<= ULTIMATE.start_main_~i~4 226), 214703#(<= ULTIMATE.start_main_~i~4 240), 214702#(<= ULTIMATE.start_main_~i~4 238), 214701#(<= ULTIMATE.start_main_~i~4 236), 214700#(<= ULTIMATE.start_main_~i~4 234), 214707#(<= ULTIMATE.start_main_~i~4 248), 214706#(<= ULTIMATE.start_main_~i~4 246), 214705#(<= ULTIMATE.start_main_~i~4 244), 214704#(<= ULTIMATE.start_main_~i~4 242), 214711#(<= ULTIMATE.start_main_~i~4 256), 214710#(<= ULTIMATE.start_main_~i~4 254), 214709#(<= ULTIMATE.start_main_~i~4 252), 214708#(<= ULTIMATE.start_main_~i~4 250), 214715#(<= ULTIMATE.start_main_~i~4 264), 214714#(<= ULTIMATE.start_main_~i~4 262), 214713#(<= ULTIMATE.start_main_~i~4 260), 214712#(<= ULTIMATE.start_main_~i~4 258), 214719#(<= ULTIMATE.start_main_~i~4 272), 214718#(<= ULTIMATE.start_main_~i~4 270), 214717#(<= ULTIMATE.start_main_~i~4 268), 214716#(<= ULTIMATE.start_main_~i~4 266), 214723#(<= ULTIMATE.start_main_~i~4 280), 214722#(<= ULTIMATE.start_main_~i~4 278), 214721#(<= ULTIMATE.start_main_~i~4 276), 214720#(<= ULTIMATE.start_main_~i~4 274), 214727#(<= ULTIMATE.start_main_~i~4 288), 214726#(<= ULTIMATE.start_main_~i~4 286), 214725#(<= ULTIMATE.start_main_~i~4 284), 214724#(<= ULTIMATE.start_main_~i~4 282), 214731#(<= ULTIMATE.start_main_~i~4 296), 214730#(<= ULTIMATE.start_main_~i~4 294), 214729#(<= ULTIMATE.start_main_~i~4 292), 214728#(<= ULTIMATE.start_main_~i~4 290), 214735#(<= ULTIMATE.start_main_~i~4 304), 214734#(<= ULTIMATE.start_main_~i~4 302), 214733#(<= ULTIMATE.start_main_~i~4 300), 214732#(<= ULTIMATE.start_main_~i~4 298), 214739#(<= ULTIMATE.start_main_~i~4 312), 214738#(<= ULTIMATE.start_main_~i~4 310), 214737#(<= ULTIMATE.start_main_~i~4 308), 214736#(<= ULTIMATE.start_main_~i~4 306), 214743#(<= ULTIMATE.start_main_~i~4 320), 214742#(<= ULTIMATE.start_main_~i~4 318), 214741#(<= ULTIMATE.start_main_~i~4 316), 214740#(<= ULTIMATE.start_main_~i~4 314), 214747#(<= ULTIMATE.start_main_~i~4 328), 214746#(<= ULTIMATE.start_main_~i~4 326), 214745#(<= ULTIMATE.start_main_~i~4 324), 214744#(<= ULTIMATE.start_main_~i~4 322), 214751#(<= ULTIMATE.start_main_~i~4 336), 214750#(<= ULTIMATE.start_main_~i~4 334), 214749#(<= ULTIMATE.start_main_~i~4 332), 214748#(<= ULTIMATE.start_main_~i~4 330), 214755#(<= ULTIMATE.start_main_~i~4 344), 214754#(<= ULTIMATE.start_main_~i~4 342), 214753#(<= ULTIMATE.start_main_~i~4 340), 214752#(<= ULTIMATE.start_main_~i~4 338), 214759#(<= ULTIMATE.start_main_~i~4 352), 214758#(<= ULTIMATE.start_main_~i~4 350), 214757#(<= ULTIMATE.start_main_~i~4 348), 214756#(<= ULTIMATE.start_main_~i~4 346), 214763#(<= ULTIMATE.start_main_~i~4 360), 214762#(<= ULTIMATE.start_main_~i~4 358), 214761#(<= ULTIMATE.start_main_~i~4 356), 214760#(<= ULTIMATE.start_main_~i~4 354), 214767#(<= ULTIMATE.start_main_~i~4 368), 214766#(<= ULTIMATE.start_main_~i~4 366), 214765#(<= ULTIMATE.start_main_~i~4 364), 214764#(<= ULTIMATE.start_main_~i~4 362), 214771#(<= ULTIMATE.start_main_~i~4 376), 214770#(<= ULTIMATE.start_main_~i~4 374), 214769#(<= ULTIMATE.start_main_~i~4 372), 214768#(<= ULTIMATE.start_main_~i~4 370), 214775#(<= ULTIMATE.start_main_~i~4 384), 214774#(<= ULTIMATE.start_main_~i~4 382), 214773#(<= ULTIMATE.start_main_~i~4 380), 214772#(<= ULTIMATE.start_main_~i~4 378), 214779#(<= ULTIMATE.start_main_~i~4 392), 214778#(<= ULTIMATE.start_main_~i~4 390), 214777#(<= ULTIMATE.start_main_~i~4 388), 214776#(<= ULTIMATE.start_main_~i~4 386), 214783#(<= ULTIMATE.start_main_~i~4 400), 214782#(<= ULTIMATE.start_main_~i~4 398), 214781#(<= ULTIMATE.start_main_~i~4 396), 214780#(<= ULTIMATE.start_main_~i~4 394), 214787#(<= ULTIMATE.start_main_~i~4 408), 214786#(<= ULTIMATE.start_main_~i~4 406), 214785#(<= ULTIMATE.start_main_~i~4 404), 214784#(<= ULTIMATE.start_main_~i~4 402), 214791#(<= ULTIMATE.start_main_~i~4 416), 214790#(<= ULTIMATE.start_main_~i~4 414), 214789#(<= ULTIMATE.start_main_~i~4 412), 214788#(<= ULTIMATE.start_main_~i~4 410), 214795#(<= ULTIMATE.start_main_~i~4 424), 214794#(<= ULTIMATE.start_main_~i~4 422), 214793#(<= ULTIMATE.start_main_~i~4 420), 214792#(<= ULTIMATE.start_main_~i~4 418), 214798#(<= ULTIMATE.start_main_~i~4 430), 214797#(<= ULTIMATE.start_main_~i~4 428), 214796#(<= ULTIMATE.start_main_~i~4 426)] [2018-07-23 13:48:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 46440 backedges. 0 proven. 46440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:09,466 INFO L450 AbstractCegarLoop]: Interpolant automaton has 218 states [2018-07-23 13:48:09,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2018-07-23 13:48:09,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:48:09,472 INFO L87 Difference]: Start difference. First operand 435 states and 435 transitions. Second operand 218 states. [2018-07-23 13:48:12,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:12,083 INFO L93 Difference]: Finished difference Result 439 states and 439 transitions. [2018-07-23 13:48:12,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2018-07-23 13:48:12,084 INFO L78 Accepts]: Start accepts. Automaton has 218 states. Word has length 434 [2018-07-23 13:48:12,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:12,084 INFO L225 Difference]: With dead ends: 439 [2018-07-23 13:48:12,084 INFO L226 Difference]: Without dead ends: 437 [2018-07-23 13:48:12,086 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:48:12,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-07-23 13:48:12,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2018-07-23 13:48:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-07-23 13:48:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 437 transitions. [2018-07-23 13:48:12,090 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 437 transitions. Word has length 434 [2018-07-23 13:48:12,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:12,091 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 437 transitions. [2018-07-23 13:48:12,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 218 states. [2018-07-23 13:48:12,091 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 437 transitions. [2018-07-23 13:48:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2018-07-23 13:48:12,092 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:12,092 INFO L357 BasicCegarLoop]: trace histogram [217, 216, 1, 1, 1] [2018-07-23 13:48:12,092 INFO L414 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:12,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1031347529, now seen corresponding path program 216 times [2018-07-23 13:48:12,093 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 46872 backedges. 0 proven. 46872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:13,520 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:13,520 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [218] total 218 [2018-07-23 13:48:13,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:13,520 INFO L185 omatonBuilderFactory]: Interpolants [216579#(<= ULTIMATE.start_main_~i~4 52), 216578#(<= ULTIMATE.start_main_~i~4 50), 216577#(<= ULTIMATE.start_main_~i~4 48), 216576#(<= ULTIMATE.start_main_~i~4 46), 216583#(<= ULTIMATE.start_main_~i~4 60), 216582#(<= ULTIMATE.start_main_~i~4 58), 216581#(<= ULTIMATE.start_main_~i~4 56), 216580#(<= ULTIMATE.start_main_~i~4 54), 216587#(<= ULTIMATE.start_main_~i~4 68), 216586#(<= ULTIMATE.start_main_~i~4 66), 216585#(<= ULTIMATE.start_main_~i~4 64), 216584#(<= ULTIMATE.start_main_~i~4 62), 216591#(<= ULTIMATE.start_main_~i~4 76), 216590#(<= ULTIMATE.start_main_~i~4 74), 216589#(<= ULTIMATE.start_main_~i~4 72), 216588#(<= ULTIMATE.start_main_~i~4 70), 216595#(<= ULTIMATE.start_main_~i~4 84), 216594#(<= ULTIMATE.start_main_~i~4 82), 216593#(<= ULTIMATE.start_main_~i~4 80), 216592#(<= ULTIMATE.start_main_~i~4 78), 216599#(<= ULTIMATE.start_main_~i~4 92), 216598#(<= ULTIMATE.start_main_~i~4 90), 216597#(<= ULTIMATE.start_main_~i~4 88), 216596#(<= ULTIMATE.start_main_~i~4 86), 216603#(<= ULTIMATE.start_main_~i~4 100), 216602#(<= ULTIMATE.start_main_~i~4 98), 216601#(<= ULTIMATE.start_main_~i~4 96), 216600#(<= ULTIMATE.start_main_~i~4 94), 216607#(<= ULTIMATE.start_main_~i~4 108), 216606#(<= ULTIMATE.start_main_~i~4 106), 216605#(<= ULTIMATE.start_main_~i~4 104), 216604#(<= ULTIMATE.start_main_~i~4 102), 216611#(<= ULTIMATE.start_main_~i~4 116), 216610#(<= ULTIMATE.start_main_~i~4 114), 216609#(<= ULTIMATE.start_main_~i~4 112), 216608#(<= ULTIMATE.start_main_~i~4 110), 216615#(<= ULTIMATE.start_main_~i~4 124), 216614#(<= ULTIMATE.start_main_~i~4 122), 216613#(<= ULTIMATE.start_main_~i~4 120), 216612#(<= ULTIMATE.start_main_~i~4 118), 216619#(<= ULTIMATE.start_main_~i~4 132), 216618#(<= ULTIMATE.start_main_~i~4 130), 216617#(<= ULTIMATE.start_main_~i~4 128), 216616#(<= ULTIMATE.start_main_~i~4 126), 216623#(<= ULTIMATE.start_main_~i~4 140), 216622#(<= ULTIMATE.start_main_~i~4 138), 216621#(<= ULTIMATE.start_main_~i~4 136), 216620#(<= ULTIMATE.start_main_~i~4 134), 216627#(<= ULTIMATE.start_main_~i~4 148), 216626#(<= ULTIMATE.start_main_~i~4 146), 216625#(<= ULTIMATE.start_main_~i~4 144), 216624#(<= ULTIMATE.start_main_~i~4 142), 216631#(<= ULTIMATE.start_main_~i~4 156), 216630#(<= ULTIMATE.start_main_~i~4 154), 216629#(<= ULTIMATE.start_main_~i~4 152), 216628#(<= ULTIMATE.start_main_~i~4 150), 216635#(<= ULTIMATE.start_main_~i~4 164), 216634#(<= ULTIMATE.start_main_~i~4 162), 216633#(<= ULTIMATE.start_main_~i~4 160), 216632#(<= ULTIMATE.start_main_~i~4 158), 216639#(<= ULTIMATE.start_main_~i~4 172), 216638#(<= ULTIMATE.start_main_~i~4 170), 216637#(<= ULTIMATE.start_main_~i~4 168), 216636#(<= ULTIMATE.start_main_~i~4 166), 216643#(<= ULTIMATE.start_main_~i~4 180), 216642#(<= ULTIMATE.start_main_~i~4 178), 216641#(<= ULTIMATE.start_main_~i~4 176), 216640#(<= ULTIMATE.start_main_~i~4 174), 216647#(<= ULTIMATE.start_main_~i~4 188), 216646#(<= ULTIMATE.start_main_~i~4 186), 216645#(<= ULTIMATE.start_main_~i~4 184), 216644#(<= ULTIMATE.start_main_~i~4 182), 216651#(<= ULTIMATE.start_main_~i~4 196), 216650#(<= ULTIMATE.start_main_~i~4 194), 216649#(<= ULTIMATE.start_main_~i~4 192), 216648#(<= ULTIMATE.start_main_~i~4 190), 216655#(<= ULTIMATE.start_main_~i~4 204), 216654#(<= ULTIMATE.start_main_~i~4 202), 216653#(<= ULTIMATE.start_main_~i~4 200), 216652#(<= ULTIMATE.start_main_~i~4 198), 216659#(<= ULTIMATE.start_main_~i~4 212), 216658#(<= ULTIMATE.start_main_~i~4 210), 216657#(<= ULTIMATE.start_main_~i~4 208), 216656#(<= ULTIMATE.start_main_~i~4 206), 216663#(<= ULTIMATE.start_main_~i~4 220), 216662#(<= ULTIMATE.start_main_~i~4 218), 216661#(<= ULTIMATE.start_main_~i~4 216), 216660#(<= ULTIMATE.start_main_~i~4 214), 216667#(<= ULTIMATE.start_main_~i~4 228), 216666#(<= ULTIMATE.start_main_~i~4 226), 216665#(<= ULTIMATE.start_main_~i~4 224), 216664#(<= ULTIMATE.start_main_~i~4 222), 216671#(<= ULTIMATE.start_main_~i~4 236), 216670#(<= ULTIMATE.start_main_~i~4 234), 216669#(<= ULTIMATE.start_main_~i~4 232), 216668#(<= ULTIMATE.start_main_~i~4 230), 216675#(<= ULTIMATE.start_main_~i~4 244), 216674#(<= ULTIMATE.start_main_~i~4 242), 216673#(<= ULTIMATE.start_main_~i~4 240), 216672#(<= ULTIMATE.start_main_~i~4 238), 216679#(<= ULTIMATE.start_main_~i~4 252), 216678#(<= ULTIMATE.start_main_~i~4 250), 216677#(<= ULTIMATE.start_main_~i~4 248), 216676#(<= ULTIMATE.start_main_~i~4 246), 216683#(<= ULTIMATE.start_main_~i~4 260), 216682#(<= ULTIMATE.start_main_~i~4 258), 216681#(<= ULTIMATE.start_main_~i~4 256), 216680#(<= ULTIMATE.start_main_~i~4 254), 216687#(<= ULTIMATE.start_main_~i~4 268), 216686#(<= ULTIMATE.start_main_~i~4 266), 216685#(<= ULTIMATE.start_main_~i~4 264), 216684#(<= ULTIMATE.start_main_~i~4 262), 216691#(<= ULTIMATE.start_main_~i~4 276), 216690#(<= ULTIMATE.start_main_~i~4 274), 216689#(<= ULTIMATE.start_main_~i~4 272), 216688#(<= ULTIMATE.start_main_~i~4 270), 216695#(<= ULTIMATE.start_main_~i~4 284), 216694#(<= ULTIMATE.start_main_~i~4 282), 216693#(<= ULTIMATE.start_main_~i~4 280), 216692#(<= ULTIMATE.start_main_~i~4 278), 216699#(<= ULTIMATE.start_main_~i~4 292), 216698#(<= ULTIMATE.start_main_~i~4 290), 216697#(<= ULTIMATE.start_main_~i~4 288), 216696#(<= ULTIMATE.start_main_~i~4 286), 216703#(<= ULTIMATE.start_main_~i~4 300), 216702#(<= ULTIMATE.start_main_~i~4 298), 216701#(<= ULTIMATE.start_main_~i~4 296), 216700#(<= ULTIMATE.start_main_~i~4 294), 216707#(<= ULTIMATE.start_main_~i~4 308), 216706#(<= ULTIMATE.start_main_~i~4 306), 216705#(<= ULTIMATE.start_main_~i~4 304), 216704#(<= ULTIMATE.start_main_~i~4 302), 216711#(<= ULTIMATE.start_main_~i~4 316), 216710#(<= ULTIMATE.start_main_~i~4 314), 216709#(<= ULTIMATE.start_main_~i~4 312), 216708#(<= ULTIMATE.start_main_~i~4 310), 216715#(<= ULTIMATE.start_main_~i~4 324), 216714#(<= ULTIMATE.start_main_~i~4 322), 216713#(<= ULTIMATE.start_main_~i~4 320), 216712#(<= ULTIMATE.start_main_~i~4 318), 216719#(<= ULTIMATE.start_main_~i~4 332), 216718#(<= ULTIMATE.start_main_~i~4 330), 216717#(<= ULTIMATE.start_main_~i~4 328), 216716#(<= ULTIMATE.start_main_~i~4 326), 216723#(<= ULTIMATE.start_main_~i~4 340), 216722#(<= ULTIMATE.start_main_~i~4 338), 216721#(<= ULTIMATE.start_main_~i~4 336), 216720#(<= ULTIMATE.start_main_~i~4 334), 216727#(<= ULTIMATE.start_main_~i~4 348), 216726#(<= ULTIMATE.start_main_~i~4 346), 216725#(<= ULTIMATE.start_main_~i~4 344), 216724#(<= ULTIMATE.start_main_~i~4 342), 216731#(<= ULTIMATE.start_main_~i~4 356), 216730#(<= ULTIMATE.start_main_~i~4 354), 216729#(<= ULTIMATE.start_main_~i~4 352), 216728#(<= ULTIMATE.start_main_~i~4 350), 216735#(<= ULTIMATE.start_main_~i~4 364), 216734#(<= ULTIMATE.start_main_~i~4 362), 216733#(<= ULTIMATE.start_main_~i~4 360), 216732#(<= ULTIMATE.start_main_~i~4 358), 216739#(<= ULTIMATE.start_main_~i~4 372), 216738#(<= ULTIMATE.start_main_~i~4 370), 216737#(<= ULTIMATE.start_main_~i~4 368), 216736#(<= ULTIMATE.start_main_~i~4 366), 216743#(<= ULTIMATE.start_main_~i~4 380), 216742#(<= ULTIMATE.start_main_~i~4 378), 216741#(<= ULTIMATE.start_main_~i~4 376), 216740#(<= ULTIMATE.start_main_~i~4 374), 216747#(<= ULTIMATE.start_main_~i~4 388), 216746#(<= ULTIMATE.start_main_~i~4 386), 216745#(<= ULTIMATE.start_main_~i~4 384), 216744#(<= ULTIMATE.start_main_~i~4 382), 216751#(<= ULTIMATE.start_main_~i~4 396), 216750#(<= ULTIMATE.start_main_~i~4 394), 216749#(<= ULTIMATE.start_main_~i~4 392), 216748#(<= ULTIMATE.start_main_~i~4 390), 216755#(<= ULTIMATE.start_main_~i~4 404), 216754#(<= ULTIMATE.start_main_~i~4 402), 216753#(<= ULTIMATE.start_main_~i~4 400), 216752#(<= ULTIMATE.start_main_~i~4 398), 216759#(<= ULTIMATE.start_main_~i~4 412), 216758#(<= ULTIMATE.start_main_~i~4 410), 216757#(<= ULTIMATE.start_main_~i~4 408), 216756#(<= ULTIMATE.start_main_~i~4 406), 216763#(<= ULTIMATE.start_main_~i~4 420), 216762#(<= ULTIMATE.start_main_~i~4 418), 216761#(<= ULTIMATE.start_main_~i~4 416), 216760#(<= ULTIMATE.start_main_~i~4 414), 216767#(<= ULTIMATE.start_main_~i~4 428), 216766#(<= ULTIMATE.start_main_~i~4 426), 216765#(<= ULTIMATE.start_main_~i~4 424), 216764#(<= ULTIMATE.start_main_~i~4 422), 216769#(<= ULTIMATE.start_main_~i~4 432), 216768#(<= ULTIMATE.start_main_~i~4 430), 216551#true, 216555#(<= ULTIMATE.start_main_~i~4 4), 216554#(<= ULTIMATE.start_main_~i~4 2), 216553#(<= ULTIMATE.start_main_~i~4 0), 216552#false, 216559#(<= ULTIMATE.start_main_~i~4 12), 216558#(<= ULTIMATE.start_main_~i~4 10), 216557#(<= ULTIMATE.start_main_~i~4 8), 216556#(<= ULTIMATE.start_main_~i~4 6), 216563#(<= ULTIMATE.start_main_~i~4 20), 216562#(<= ULTIMATE.start_main_~i~4 18), 216561#(<= ULTIMATE.start_main_~i~4 16), 216560#(<= ULTIMATE.start_main_~i~4 14), 216567#(<= ULTIMATE.start_main_~i~4 28), 216566#(<= ULTIMATE.start_main_~i~4 26), 216565#(<= ULTIMATE.start_main_~i~4 24), 216564#(<= ULTIMATE.start_main_~i~4 22), 216571#(<= ULTIMATE.start_main_~i~4 36), 216570#(<= ULTIMATE.start_main_~i~4 34), 216569#(<= ULTIMATE.start_main_~i~4 32), 216568#(<= ULTIMATE.start_main_~i~4 30), 216575#(<= ULTIMATE.start_main_~i~4 44), 216574#(<= ULTIMATE.start_main_~i~4 42), 216573#(<= ULTIMATE.start_main_~i~4 40), 216572#(<= ULTIMATE.start_main_~i~4 38)] [2018-07-23 13:48:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 46872 backedges. 0 proven. 46872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:13,523 INFO L450 AbstractCegarLoop]: Interpolant automaton has 219 states [2018-07-23 13:48:13,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2018-07-23 13:48:13,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:48:13,527 INFO L87 Difference]: Start difference. First operand 437 states and 437 transitions. Second operand 219 states. [2018-07-23 13:48:15,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:15,988 INFO L93 Difference]: Finished difference Result 441 states and 441 transitions. [2018-07-23 13:48:15,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:48:15,988 INFO L78 Accepts]: Start accepts. Automaton has 219 states. Word has length 436 [2018-07-23 13:48:15,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:15,989 INFO L225 Difference]: With dead ends: 441 [2018-07-23 13:48:15,989 INFO L226 Difference]: Without dead ends: 439 [2018-07-23 13:48:15,991 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:48:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-07-23 13:48:15,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2018-07-23 13:48:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-07-23 13:48:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 439 transitions. [2018-07-23 13:48:15,995 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 439 transitions. Word has length 436 [2018-07-23 13:48:15,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:15,995 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 439 transitions. [2018-07-23 13:48:15,995 INFO L472 AbstractCegarLoop]: Interpolant automaton has 219 states. [2018-07-23 13:48:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 439 transitions. [2018-07-23 13:48:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-07-23 13:48:15,997 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:15,997 INFO L357 BasicCegarLoop]: trace histogram [218, 217, 1, 1, 1] [2018-07-23 13:48:15,997 INFO L414 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:15,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1012522097, now seen corresponding path program 217 times [2018-07-23 13:48:15,997 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 47306 backedges. 0 proven. 47306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:17,480 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:17,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:48:17,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:17,480 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 13:48:17,480 INFO L185 omatonBuilderFactory]: Interpolants [218627#(<= ULTIMATE.start_main_~i~4 190), 218626#(<= ULTIMATE.start_main_~i~4 188), 218625#(<= ULTIMATE.start_main_~i~4 186), 218624#(<= ULTIMATE.start_main_~i~4 184), 218631#(<= ULTIMATE.start_main_~i~4 198), 218630#(<= ULTIMATE.start_main_~i~4 196), 218629#(<= ULTIMATE.start_main_~i~4 194), 218628#(<= ULTIMATE.start_main_~i~4 192), 218635#(<= ULTIMATE.start_main_~i~4 206), 218634#(<= ULTIMATE.start_main_~i~4 204), 218633#(<= ULTIMATE.start_main_~i~4 202), 218632#(<= ULTIMATE.start_main_~i~4 200), 218639#(<= ULTIMATE.start_main_~i~4 214), 218638#(<= ULTIMATE.start_main_~i~4 212), 218637#(<= ULTIMATE.start_main_~i~4 210), 218636#(<= ULTIMATE.start_main_~i~4 208), 218643#(<= ULTIMATE.start_main_~i~4 222), 218642#(<= ULTIMATE.start_main_~i~4 220), 218641#(<= ULTIMATE.start_main_~i~4 218), 218640#(<= ULTIMATE.start_main_~i~4 216), 218647#(<= ULTIMATE.start_main_~i~4 230), 218646#(<= ULTIMATE.start_main_~i~4 228), 218645#(<= ULTIMATE.start_main_~i~4 226), 218644#(<= ULTIMATE.start_main_~i~4 224), 218651#(<= ULTIMATE.start_main_~i~4 238), 218650#(<= ULTIMATE.start_main_~i~4 236), 218649#(<= ULTIMATE.start_main_~i~4 234), 218648#(<= ULTIMATE.start_main_~i~4 232), 218655#(<= ULTIMATE.start_main_~i~4 246), 218654#(<= ULTIMATE.start_main_~i~4 244), 218653#(<= ULTIMATE.start_main_~i~4 242), 218652#(<= ULTIMATE.start_main_~i~4 240), 218659#(<= ULTIMATE.start_main_~i~4 254), 218658#(<= ULTIMATE.start_main_~i~4 252), 218657#(<= ULTIMATE.start_main_~i~4 250), 218656#(<= ULTIMATE.start_main_~i~4 248), 218663#(<= ULTIMATE.start_main_~i~4 262), 218662#(<= ULTIMATE.start_main_~i~4 260), 218661#(<= ULTIMATE.start_main_~i~4 258), 218660#(<= ULTIMATE.start_main_~i~4 256), 218667#(<= ULTIMATE.start_main_~i~4 270), 218666#(<= ULTIMATE.start_main_~i~4 268), 218665#(<= ULTIMATE.start_main_~i~4 266), 218664#(<= ULTIMATE.start_main_~i~4 264), 218671#(<= ULTIMATE.start_main_~i~4 278), 218670#(<= ULTIMATE.start_main_~i~4 276), 218669#(<= ULTIMATE.start_main_~i~4 274), 218668#(<= ULTIMATE.start_main_~i~4 272), 218675#(<= ULTIMATE.start_main_~i~4 286), 218674#(<= ULTIMATE.start_main_~i~4 284), 218673#(<= ULTIMATE.start_main_~i~4 282), 218672#(<= ULTIMATE.start_main_~i~4 280), 218679#(<= ULTIMATE.start_main_~i~4 294), 218678#(<= ULTIMATE.start_main_~i~4 292), 218677#(<= ULTIMATE.start_main_~i~4 290), 218676#(<= ULTIMATE.start_main_~i~4 288), 218683#(<= ULTIMATE.start_main_~i~4 302), 218682#(<= ULTIMATE.start_main_~i~4 300), 218681#(<= ULTIMATE.start_main_~i~4 298), 218680#(<= ULTIMATE.start_main_~i~4 296), 218687#(<= ULTIMATE.start_main_~i~4 310), 218686#(<= ULTIMATE.start_main_~i~4 308), 218685#(<= ULTIMATE.start_main_~i~4 306), 218684#(<= ULTIMATE.start_main_~i~4 304), 218691#(<= ULTIMATE.start_main_~i~4 318), 218690#(<= ULTIMATE.start_main_~i~4 316), 218689#(<= ULTIMATE.start_main_~i~4 314), 218688#(<= ULTIMATE.start_main_~i~4 312), 218695#(<= ULTIMATE.start_main_~i~4 326), 218694#(<= ULTIMATE.start_main_~i~4 324), 218693#(<= ULTIMATE.start_main_~i~4 322), 218692#(<= ULTIMATE.start_main_~i~4 320), 218699#(<= ULTIMATE.start_main_~i~4 334), 218698#(<= ULTIMATE.start_main_~i~4 332), 218697#(<= ULTIMATE.start_main_~i~4 330), 218696#(<= ULTIMATE.start_main_~i~4 328), 218703#(<= ULTIMATE.start_main_~i~4 342), 218702#(<= ULTIMATE.start_main_~i~4 340), 218701#(<= ULTIMATE.start_main_~i~4 338), 218700#(<= ULTIMATE.start_main_~i~4 336), 218707#(<= ULTIMATE.start_main_~i~4 350), 218706#(<= ULTIMATE.start_main_~i~4 348), 218705#(<= ULTIMATE.start_main_~i~4 346), 218704#(<= ULTIMATE.start_main_~i~4 344), 218711#(<= ULTIMATE.start_main_~i~4 358), 218710#(<= ULTIMATE.start_main_~i~4 356), 218709#(<= ULTIMATE.start_main_~i~4 354), 218708#(<= ULTIMATE.start_main_~i~4 352), 218715#(<= ULTIMATE.start_main_~i~4 366), 218714#(<= ULTIMATE.start_main_~i~4 364), 218713#(<= ULTIMATE.start_main_~i~4 362), 218712#(<= ULTIMATE.start_main_~i~4 360), 218719#(<= ULTIMATE.start_main_~i~4 374), 218718#(<= ULTIMATE.start_main_~i~4 372), 218717#(<= ULTIMATE.start_main_~i~4 370), 218716#(<= ULTIMATE.start_main_~i~4 368), 218723#(<= ULTIMATE.start_main_~i~4 382), 218722#(<= ULTIMATE.start_main_~i~4 380), 218721#(<= ULTIMATE.start_main_~i~4 378), 218720#(<= ULTIMATE.start_main_~i~4 376), 218727#(<= ULTIMATE.start_main_~i~4 390), 218726#(<= ULTIMATE.start_main_~i~4 388), 218725#(<= ULTIMATE.start_main_~i~4 386), 218724#(<= ULTIMATE.start_main_~i~4 384), 218731#(<= ULTIMATE.start_main_~i~4 398), 218730#(<= ULTIMATE.start_main_~i~4 396), 218729#(<= ULTIMATE.start_main_~i~4 394), 218728#(<= ULTIMATE.start_main_~i~4 392), 218735#(<= ULTIMATE.start_main_~i~4 406), 218734#(<= ULTIMATE.start_main_~i~4 404), 218733#(<= ULTIMATE.start_main_~i~4 402), 218732#(<= ULTIMATE.start_main_~i~4 400), 218739#(<= ULTIMATE.start_main_~i~4 414), 218738#(<= ULTIMATE.start_main_~i~4 412), 218737#(<= ULTIMATE.start_main_~i~4 410), 218736#(<= ULTIMATE.start_main_~i~4 408), 218743#(<= ULTIMATE.start_main_~i~4 422), 218742#(<= ULTIMATE.start_main_~i~4 420), 218741#(<= ULTIMATE.start_main_~i~4 418), 218740#(<= ULTIMATE.start_main_~i~4 416), 218747#(<= ULTIMATE.start_main_~i~4 430), 218746#(<= ULTIMATE.start_main_~i~4 428), 218745#(<= ULTIMATE.start_main_~i~4 426), 218744#(<= ULTIMATE.start_main_~i~4 424), 218749#(<= ULTIMATE.start_main_~i~4 434), 218748#(<= ULTIMATE.start_main_~i~4 432), 218531#false, 218530#true, 218535#(<= ULTIMATE.start_main_~i~4 6), 218534#(<= ULTIMATE.start_main_~i~4 4), 218533#(<= ULTIMATE.start_main_~i~4 2), 218532#(<= ULTIMATE.start_main_~i~4 0), 218539#(<= ULTIMATE.start_main_~i~4 14), 218538#(<= ULTIMATE.start_main_~i~4 12), 218537#(<= ULTIMATE.start_main_~i~4 10), 218536#(<= ULTIMATE.start_main_~i~4 8), 218543#(<= ULTIMATE.start_main_~i~4 22), 218542#(<= ULTIMATE.start_main_~i~4 20), 218541#(<= ULTIMATE.start_main_~i~4 18), 218540#(<= ULTIMATE.start_main_~i~4 16), 218547#(<= ULTIMATE.start_main_~i~4 30), 218546#(<= ULTIMATE.start_main_~i~4 28), 218545#(<= ULTIMATE.start_main_~i~4 26), 218544#(<= ULTIMATE.start_main_~i~4 24), 218551#(<= ULTIMATE.start_main_~i~4 38), 218550#(<= ULTIMATE.start_main_~i~4 36), 218549#(<= ULTIMATE.start_main_~i~4 34), 218548#(<= ULTIMATE.start_main_~i~4 32), 218555#(<= ULTIMATE.start_main_~i~4 46), 218554#(<= ULTIMATE.start_main_~i~4 44), 218553#(<= ULTIMATE.start_main_~i~4 42), 218552#(<= ULTIMATE.start_main_~i~4 40), 218559#(<= ULTIMATE.start_main_~i~4 54), 218558#(<= ULTIMATE.start_main_~i~4 52), 218557#(<= ULTIMATE.start_main_~i~4 50), 218556#(<= ULTIMATE.start_main_~i~4 48), 218563#(<= ULTIMATE.start_main_~i~4 62), 218562#(<= ULTIMATE.start_main_~i~4 60), 218561#(<= ULTIMATE.start_main_~i~4 58), 218560#(<= ULTIMATE.start_main_~i~4 56), 218567#(<= ULTIMATE.start_main_~i~4 70), 218566#(<= ULTIMATE.start_main_~i~4 68), 218565#(<= ULTIMATE.start_main_~i~4 66), 218564#(<= ULTIMATE.start_main_~i~4 64), 218571#(<= ULTIMATE.start_main_~i~4 78), 218570#(<= ULTIMATE.start_main_~i~4 76), 218569#(<= ULTIMATE.start_main_~i~4 74), 218568#(<= ULTIMATE.start_main_~i~4 72), 218575#(<= ULTIMATE.start_main_~i~4 86), 218574#(<= ULTIMATE.start_main_~i~4 84), 218573#(<= ULTIMATE.start_main_~i~4 82), 218572#(<= ULTIMATE.start_main_~i~4 80), 218579#(<= ULTIMATE.start_main_~i~4 94), 218578#(<= ULTIMATE.start_main_~i~4 92), 218577#(<= ULTIMATE.start_main_~i~4 90), 218576#(<= ULTIMATE.start_main_~i~4 88), 218583#(<= ULTIMATE.start_main_~i~4 102), 218582#(<= ULTIMATE.start_main_~i~4 100), 218581#(<= ULTIMATE.start_main_~i~4 98), 218580#(<= ULTIMATE.start_main_~i~4 96), 218587#(<= ULTIMATE.start_main_~i~4 110), 218586#(<= ULTIMATE.start_main_~i~4 108), 218585#(<= ULTIMATE.start_main_~i~4 106), 218584#(<= ULTIMATE.start_main_~i~4 104), 218591#(<= ULTIMATE.start_main_~i~4 118), 218590#(<= ULTIMATE.start_main_~i~4 116), 218589#(<= ULTIMATE.start_main_~i~4 114), 218588#(<= ULTIMATE.start_main_~i~4 112), 218595#(<= ULTIMATE.start_main_~i~4 126), 218594#(<= ULTIMATE.start_main_~i~4 124), 218593#(<= ULTIMATE.start_main_~i~4 122), 218592#(<= ULTIMATE.start_main_~i~4 120), 218599#(<= ULTIMATE.start_main_~i~4 134), 218598#(<= ULTIMATE.start_main_~i~4 132), 218597#(<= ULTIMATE.start_main_~i~4 130), 218596#(<= ULTIMATE.start_main_~i~4 128), 218603#(<= ULTIMATE.start_main_~i~4 142), 218602#(<= ULTIMATE.start_main_~i~4 140), 218601#(<= ULTIMATE.start_main_~i~4 138), 218600#(<= ULTIMATE.start_main_~i~4 136), 218607#(<= ULTIMATE.start_main_~i~4 150), 218606#(<= ULTIMATE.start_main_~i~4 148), 218605#(<= ULTIMATE.start_main_~i~4 146), 218604#(<= ULTIMATE.start_main_~i~4 144), 218611#(<= ULTIMATE.start_main_~i~4 158), 218610#(<= ULTIMATE.start_main_~i~4 156), 218609#(<= ULTIMATE.start_main_~i~4 154), 218608#(<= ULTIMATE.start_main_~i~4 152), 218615#(<= ULTIMATE.start_main_~i~4 166), 218614#(<= ULTIMATE.start_main_~i~4 164), 218613#(<= ULTIMATE.start_main_~i~4 162), 218612#(<= ULTIMATE.start_main_~i~4 160), 218619#(<= ULTIMATE.start_main_~i~4 174), 218618#(<= ULTIMATE.start_main_~i~4 172), 218617#(<= ULTIMATE.start_main_~i~4 170), 218616#(<= ULTIMATE.start_main_~i~4 168), 218623#(<= ULTIMATE.start_main_~i~4 182), 218622#(<= ULTIMATE.start_main_~i~4 180), 218621#(<= ULTIMATE.start_main_~i~4 178), 218620#(<= ULTIMATE.start_main_~i~4 176)] [2018-07-23 13:48:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 47306 backedges. 0 proven. 47306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:17,482 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:48:17,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:48:17,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:48:17,485 INFO L87 Difference]: Start difference. First operand 439 states and 439 transitions. Second operand 220 states. [2018-07-23 13:48:18,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:18,383 INFO L93 Difference]: Finished difference Result 443 states and 443 transitions. [2018-07-23 13:48:18,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2018-07-23 13:48:18,384 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 438 [2018-07-23 13:48:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:18,385 INFO L225 Difference]: With dead ends: 443 [2018-07-23 13:48:18,385 INFO L226 Difference]: Without dead ends: 441 [2018-07-23 13:48:18,386 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:48:18,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-07-23 13:48:18,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2018-07-23 13:48:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-07-23 13:48:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 441 transitions. [2018-07-23 13:48:18,390 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 441 transitions. Word has length 438 [2018-07-23 13:48:18,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:18,390 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 441 transitions. [2018-07-23 13:48:18,391 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:48:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 441 transitions. [2018-07-23 13:48:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2018-07-23 13:48:18,392 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:18,392 INFO L357 BasicCegarLoop]: trace histogram [219, 218, 1, 1, 1] [2018-07-23 13:48:18,392 INFO L414 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:18,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1923788885, now seen corresponding path program 218 times [2018-07-23 13:48:18,393 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 47742 backedges. 0 proven. 47742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:19,785 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:19,786 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [220] total 220 [2018-07-23 13:48:19,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:19,786 INFO L185 omatonBuilderFactory]: Interpolants [220675#(<= ULTIMATE.start_main_~i~4 310), 220674#(<= ULTIMATE.start_main_~i~4 308), 220673#(<= ULTIMATE.start_main_~i~4 306), 220672#(<= ULTIMATE.start_main_~i~4 304), 220679#(<= ULTIMATE.start_main_~i~4 318), 220678#(<= ULTIMATE.start_main_~i~4 316), 220677#(<= ULTIMATE.start_main_~i~4 314), 220676#(<= ULTIMATE.start_main_~i~4 312), 220683#(<= ULTIMATE.start_main_~i~4 326), 220682#(<= ULTIMATE.start_main_~i~4 324), 220681#(<= ULTIMATE.start_main_~i~4 322), 220680#(<= ULTIMATE.start_main_~i~4 320), 220687#(<= ULTIMATE.start_main_~i~4 334), 220686#(<= ULTIMATE.start_main_~i~4 332), 220685#(<= ULTIMATE.start_main_~i~4 330), 220684#(<= ULTIMATE.start_main_~i~4 328), 220691#(<= ULTIMATE.start_main_~i~4 342), 220690#(<= ULTIMATE.start_main_~i~4 340), 220689#(<= ULTIMATE.start_main_~i~4 338), 220688#(<= ULTIMATE.start_main_~i~4 336), 220695#(<= ULTIMATE.start_main_~i~4 350), 220694#(<= ULTIMATE.start_main_~i~4 348), 220693#(<= ULTIMATE.start_main_~i~4 346), 220692#(<= ULTIMATE.start_main_~i~4 344), 220699#(<= ULTIMATE.start_main_~i~4 358), 220698#(<= ULTIMATE.start_main_~i~4 356), 220697#(<= ULTIMATE.start_main_~i~4 354), 220696#(<= ULTIMATE.start_main_~i~4 352), 220703#(<= ULTIMATE.start_main_~i~4 366), 220702#(<= ULTIMATE.start_main_~i~4 364), 220701#(<= ULTIMATE.start_main_~i~4 362), 220700#(<= ULTIMATE.start_main_~i~4 360), 220707#(<= ULTIMATE.start_main_~i~4 374), 220706#(<= ULTIMATE.start_main_~i~4 372), 220705#(<= ULTIMATE.start_main_~i~4 370), 220704#(<= ULTIMATE.start_main_~i~4 368), 220711#(<= ULTIMATE.start_main_~i~4 382), 220710#(<= ULTIMATE.start_main_~i~4 380), 220709#(<= ULTIMATE.start_main_~i~4 378), 220708#(<= ULTIMATE.start_main_~i~4 376), 220715#(<= ULTIMATE.start_main_~i~4 390), 220714#(<= ULTIMATE.start_main_~i~4 388), 220713#(<= ULTIMATE.start_main_~i~4 386), 220712#(<= ULTIMATE.start_main_~i~4 384), 220719#(<= ULTIMATE.start_main_~i~4 398), 220718#(<= ULTIMATE.start_main_~i~4 396), 220717#(<= ULTIMATE.start_main_~i~4 394), 220716#(<= ULTIMATE.start_main_~i~4 392), 220723#(<= ULTIMATE.start_main_~i~4 406), 220722#(<= ULTIMATE.start_main_~i~4 404), 220721#(<= ULTIMATE.start_main_~i~4 402), 220720#(<= ULTIMATE.start_main_~i~4 400), 220727#(<= ULTIMATE.start_main_~i~4 414), 220726#(<= ULTIMATE.start_main_~i~4 412), 220725#(<= ULTIMATE.start_main_~i~4 410), 220724#(<= ULTIMATE.start_main_~i~4 408), 220731#(<= ULTIMATE.start_main_~i~4 422), 220730#(<= ULTIMATE.start_main_~i~4 420), 220729#(<= ULTIMATE.start_main_~i~4 418), 220728#(<= ULTIMATE.start_main_~i~4 416), 220735#(<= ULTIMATE.start_main_~i~4 430), 220734#(<= ULTIMATE.start_main_~i~4 428), 220733#(<= ULTIMATE.start_main_~i~4 426), 220732#(<= ULTIMATE.start_main_~i~4 424), 220738#(<= ULTIMATE.start_main_~i~4 436), 220737#(<= ULTIMATE.start_main_~i~4 434), 220736#(<= ULTIMATE.start_main_~i~4 432), 220519#false, 220518#true, 220523#(<= ULTIMATE.start_main_~i~4 6), 220522#(<= ULTIMATE.start_main_~i~4 4), 220521#(<= ULTIMATE.start_main_~i~4 2), 220520#(<= ULTIMATE.start_main_~i~4 0), 220527#(<= ULTIMATE.start_main_~i~4 14), 220526#(<= ULTIMATE.start_main_~i~4 12), 220525#(<= ULTIMATE.start_main_~i~4 10), 220524#(<= ULTIMATE.start_main_~i~4 8), 220531#(<= ULTIMATE.start_main_~i~4 22), 220530#(<= ULTIMATE.start_main_~i~4 20), 220529#(<= ULTIMATE.start_main_~i~4 18), 220528#(<= ULTIMATE.start_main_~i~4 16), 220535#(<= ULTIMATE.start_main_~i~4 30), 220534#(<= ULTIMATE.start_main_~i~4 28), 220533#(<= ULTIMATE.start_main_~i~4 26), 220532#(<= ULTIMATE.start_main_~i~4 24), 220539#(<= ULTIMATE.start_main_~i~4 38), 220538#(<= ULTIMATE.start_main_~i~4 36), 220537#(<= ULTIMATE.start_main_~i~4 34), 220536#(<= ULTIMATE.start_main_~i~4 32), 220543#(<= ULTIMATE.start_main_~i~4 46), 220542#(<= ULTIMATE.start_main_~i~4 44), 220541#(<= ULTIMATE.start_main_~i~4 42), 220540#(<= ULTIMATE.start_main_~i~4 40), 220547#(<= ULTIMATE.start_main_~i~4 54), 220546#(<= ULTIMATE.start_main_~i~4 52), 220545#(<= ULTIMATE.start_main_~i~4 50), 220544#(<= ULTIMATE.start_main_~i~4 48), 220551#(<= ULTIMATE.start_main_~i~4 62), 220550#(<= ULTIMATE.start_main_~i~4 60), 220549#(<= ULTIMATE.start_main_~i~4 58), 220548#(<= ULTIMATE.start_main_~i~4 56), 220555#(<= ULTIMATE.start_main_~i~4 70), 220554#(<= ULTIMATE.start_main_~i~4 68), 220553#(<= ULTIMATE.start_main_~i~4 66), 220552#(<= ULTIMATE.start_main_~i~4 64), 220559#(<= ULTIMATE.start_main_~i~4 78), 220558#(<= ULTIMATE.start_main_~i~4 76), 220557#(<= ULTIMATE.start_main_~i~4 74), 220556#(<= ULTIMATE.start_main_~i~4 72), 220563#(<= ULTIMATE.start_main_~i~4 86), 220562#(<= ULTIMATE.start_main_~i~4 84), 220561#(<= ULTIMATE.start_main_~i~4 82), 220560#(<= ULTIMATE.start_main_~i~4 80), 220567#(<= ULTIMATE.start_main_~i~4 94), 220566#(<= ULTIMATE.start_main_~i~4 92), 220565#(<= ULTIMATE.start_main_~i~4 90), 220564#(<= ULTIMATE.start_main_~i~4 88), 220571#(<= ULTIMATE.start_main_~i~4 102), 220570#(<= ULTIMATE.start_main_~i~4 100), 220569#(<= ULTIMATE.start_main_~i~4 98), 220568#(<= ULTIMATE.start_main_~i~4 96), 220575#(<= ULTIMATE.start_main_~i~4 110), 220574#(<= ULTIMATE.start_main_~i~4 108), 220573#(<= ULTIMATE.start_main_~i~4 106), 220572#(<= ULTIMATE.start_main_~i~4 104), 220579#(<= ULTIMATE.start_main_~i~4 118), 220578#(<= ULTIMATE.start_main_~i~4 116), 220577#(<= ULTIMATE.start_main_~i~4 114), 220576#(<= ULTIMATE.start_main_~i~4 112), 220583#(<= ULTIMATE.start_main_~i~4 126), 220582#(<= ULTIMATE.start_main_~i~4 124), 220581#(<= ULTIMATE.start_main_~i~4 122), 220580#(<= ULTIMATE.start_main_~i~4 120), 220587#(<= ULTIMATE.start_main_~i~4 134), 220586#(<= ULTIMATE.start_main_~i~4 132), 220585#(<= ULTIMATE.start_main_~i~4 130), 220584#(<= ULTIMATE.start_main_~i~4 128), 220591#(<= ULTIMATE.start_main_~i~4 142), 220590#(<= ULTIMATE.start_main_~i~4 140), 220589#(<= ULTIMATE.start_main_~i~4 138), 220588#(<= ULTIMATE.start_main_~i~4 136), 220595#(<= ULTIMATE.start_main_~i~4 150), 220594#(<= ULTIMATE.start_main_~i~4 148), 220593#(<= ULTIMATE.start_main_~i~4 146), 220592#(<= ULTIMATE.start_main_~i~4 144), 220599#(<= ULTIMATE.start_main_~i~4 158), 220598#(<= ULTIMATE.start_main_~i~4 156), 220597#(<= ULTIMATE.start_main_~i~4 154), 220596#(<= ULTIMATE.start_main_~i~4 152), 220603#(<= ULTIMATE.start_main_~i~4 166), 220602#(<= ULTIMATE.start_main_~i~4 164), 220601#(<= ULTIMATE.start_main_~i~4 162), 220600#(<= ULTIMATE.start_main_~i~4 160), 220607#(<= ULTIMATE.start_main_~i~4 174), 220606#(<= ULTIMATE.start_main_~i~4 172), 220605#(<= ULTIMATE.start_main_~i~4 170), 220604#(<= ULTIMATE.start_main_~i~4 168), 220611#(<= ULTIMATE.start_main_~i~4 182), 220610#(<= ULTIMATE.start_main_~i~4 180), 220609#(<= ULTIMATE.start_main_~i~4 178), 220608#(<= ULTIMATE.start_main_~i~4 176), 220615#(<= ULTIMATE.start_main_~i~4 190), 220614#(<= ULTIMATE.start_main_~i~4 188), 220613#(<= ULTIMATE.start_main_~i~4 186), 220612#(<= ULTIMATE.start_main_~i~4 184), 220619#(<= ULTIMATE.start_main_~i~4 198), 220618#(<= ULTIMATE.start_main_~i~4 196), 220617#(<= ULTIMATE.start_main_~i~4 194), 220616#(<= ULTIMATE.start_main_~i~4 192), 220623#(<= ULTIMATE.start_main_~i~4 206), 220622#(<= ULTIMATE.start_main_~i~4 204), 220621#(<= ULTIMATE.start_main_~i~4 202), 220620#(<= ULTIMATE.start_main_~i~4 200), 220627#(<= ULTIMATE.start_main_~i~4 214), 220626#(<= ULTIMATE.start_main_~i~4 212), 220625#(<= ULTIMATE.start_main_~i~4 210), 220624#(<= ULTIMATE.start_main_~i~4 208), 220631#(<= ULTIMATE.start_main_~i~4 222), 220630#(<= ULTIMATE.start_main_~i~4 220), 220629#(<= ULTIMATE.start_main_~i~4 218), 220628#(<= ULTIMATE.start_main_~i~4 216), 220635#(<= ULTIMATE.start_main_~i~4 230), 220634#(<= ULTIMATE.start_main_~i~4 228), 220633#(<= ULTIMATE.start_main_~i~4 226), 220632#(<= ULTIMATE.start_main_~i~4 224), 220639#(<= ULTIMATE.start_main_~i~4 238), 220638#(<= ULTIMATE.start_main_~i~4 236), 220637#(<= ULTIMATE.start_main_~i~4 234), 220636#(<= ULTIMATE.start_main_~i~4 232), 220643#(<= ULTIMATE.start_main_~i~4 246), 220642#(<= ULTIMATE.start_main_~i~4 244), 220641#(<= ULTIMATE.start_main_~i~4 242), 220640#(<= ULTIMATE.start_main_~i~4 240), 220647#(<= ULTIMATE.start_main_~i~4 254), 220646#(<= ULTIMATE.start_main_~i~4 252), 220645#(<= ULTIMATE.start_main_~i~4 250), 220644#(<= ULTIMATE.start_main_~i~4 248), 220651#(<= ULTIMATE.start_main_~i~4 262), 220650#(<= ULTIMATE.start_main_~i~4 260), 220649#(<= ULTIMATE.start_main_~i~4 258), 220648#(<= ULTIMATE.start_main_~i~4 256), 220655#(<= ULTIMATE.start_main_~i~4 270), 220654#(<= ULTIMATE.start_main_~i~4 268), 220653#(<= ULTIMATE.start_main_~i~4 266), 220652#(<= ULTIMATE.start_main_~i~4 264), 220659#(<= ULTIMATE.start_main_~i~4 278), 220658#(<= ULTIMATE.start_main_~i~4 276), 220657#(<= ULTIMATE.start_main_~i~4 274), 220656#(<= ULTIMATE.start_main_~i~4 272), 220663#(<= ULTIMATE.start_main_~i~4 286), 220662#(<= ULTIMATE.start_main_~i~4 284), 220661#(<= ULTIMATE.start_main_~i~4 282), 220660#(<= ULTIMATE.start_main_~i~4 280), 220667#(<= ULTIMATE.start_main_~i~4 294), 220666#(<= ULTIMATE.start_main_~i~4 292), 220665#(<= ULTIMATE.start_main_~i~4 290), 220664#(<= ULTIMATE.start_main_~i~4 288), 220671#(<= ULTIMATE.start_main_~i~4 302), 220670#(<= ULTIMATE.start_main_~i~4 300), 220669#(<= ULTIMATE.start_main_~i~4 298), 220668#(<= ULTIMATE.start_main_~i~4 296)] [2018-07-23 13:48:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 47742 backedges. 0 proven. 47742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:19,788 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:48:19,791 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:48:19,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:48:19,793 INFO L87 Difference]: Start difference. First operand 441 states and 441 transitions. Second operand 221 states. [2018-07-23 13:48:20,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:20,696 INFO L93 Difference]: Finished difference Result 445 states and 445 transitions. [2018-07-23 13:48:20,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:48:20,696 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 440 [2018-07-23 13:48:20,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:20,697 INFO L225 Difference]: With dead ends: 445 [2018-07-23 13:48:20,697 INFO L226 Difference]: Without dead ends: 443 [2018-07-23 13:48:20,699 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:48:20,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-07-23 13:48:20,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2018-07-23 13:48:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-07-23 13:48:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 443 transitions. [2018-07-23 13:48:20,703 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 443 transitions. Word has length 440 [2018-07-23 13:48:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:20,703 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 443 transitions. [2018-07-23 13:48:20,703 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:48:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 443 transitions. [2018-07-23 13:48:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2018-07-23 13:48:20,705 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:20,705 INFO L357 BasicCegarLoop]: trace histogram [220, 219, 1, 1, 1] [2018-07-23 13:48:20,705 INFO L414 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:20,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1925129115, now seen corresponding path program 219 times [2018-07-23 13:48:20,705 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 48180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:22,159 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:22,159 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [221] total 221 [2018-07-23 13:48:22,159 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:22,160 INFO L185 omatonBuilderFactory]: Interpolants [222723#(<= ULTIMATE.start_main_~i~4 412), 222722#(<= ULTIMATE.start_main_~i~4 410), 222721#(<= ULTIMATE.start_main_~i~4 408), 222720#(<= ULTIMATE.start_main_~i~4 406), 222727#(<= ULTIMATE.start_main_~i~4 420), 222726#(<= ULTIMATE.start_main_~i~4 418), 222725#(<= ULTIMATE.start_main_~i~4 416), 222724#(<= ULTIMATE.start_main_~i~4 414), 222731#(<= ULTIMATE.start_main_~i~4 428), 222730#(<= ULTIMATE.start_main_~i~4 426), 222729#(<= ULTIMATE.start_main_~i~4 424), 222728#(<= ULTIMATE.start_main_~i~4 422), 222735#(<= ULTIMATE.start_main_~i~4 436), 222734#(<= ULTIMATE.start_main_~i~4 434), 222733#(<= ULTIMATE.start_main_~i~4 432), 222732#(<= ULTIMATE.start_main_~i~4 430), 222736#(<= ULTIMATE.start_main_~i~4 438), 222515#true, 222519#(<= ULTIMATE.start_main_~i~4 4), 222518#(<= ULTIMATE.start_main_~i~4 2), 222517#(<= ULTIMATE.start_main_~i~4 0), 222516#false, 222523#(<= ULTIMATE.start_main_~i~4 12), 222522#(<= ULTIMATE.start_main_~i~4 10), 222521#(<= ULTIMATE.start_main_~i~4 8), 222520#(<= ULTIMATE.start_main_~i~4 6), 222527#(<= ULTIMATE.start_main_~i~4 20), 222526#(<= ULTIMATE.start_main_~i~4 18), 222525#(<= ULTIMATE.start_main_~i~4 16), 222524#(<= ULTIMATE.start_main_~i~4 14), 222531#(<= ULTIMATE.start_main_~i~4 28), 222530#(<= ULTIMATE.start_main_~i~4 26), 222529#(<= ULTIMATE.start_main_~i~4 24), 222528#(<= ULTIMATE.start_main_~i~4 22), 222535#(<= ULTIMATE.start_main_~i~4 36), 222534#(<= ULTIMATE.start_main_~i~4 34), 222533#(<= ULTIMATE.start_main_~i~4 32), 222532#(<= ULTIMATE.start_main_~i~4 30), 222539#(<= ULTIMATE.start_main_~i~4 44), 222538#(<= ULTIMATE.start_main_~i~4 42), 222537#(<= ULTIMATE.start_main_~i~4 40), 222536#(<= ULTIMATE.start_main_~i~4 38), 222543#(<= ULTIMATE.start_main_~i~4 52), 222542#(<= ULTIMATE.start_main_~i~4 50), 222541#(<= ULTIMATE.start_main_~i~4 48), 222540#(<= ULTIMATE.start_main_~i~4 46), 222547#(<= ULTIMATE.start_main_~i~4 60), 222546#(<= ULTIMATE.start_main_~i~4 58), 222545#(<= ULTIMATE.start_main_~i~4 56), 222544#(<= ULTIMATE.start_main_~i~4 54), 222551#(<= ULTIMATE.start_main_~i~4 68), 222550#(<= ULTIMATE.start_main_~i~4 66), 222549#(<= ULTIMATE.start_main_~i~4 64), 222548#(<= ULTIMATE.start_main_~i~4 62), 222555#(<= ULTIMATE.start_main_~i~4 76), 222554#(<= ULTIMATE.start_main_~i~4 74), 222553#(<= ULTIMATE.start_main_~i~4 72), 222552#(<= ULTIMATE.start_main_~i~4 70), 222559#(<= ULTIMATE.start_main_~i~4 84), 222558#(<= ULTIMATE.start_main_~i~4 82), 222557#(<= ULTIMATE.start_main_~i~4 80), 222556#(<= ULTIMATE.start_main_~i~4 78), 222563#(<= ULTIMATE.start_main_~i~4 92), 222562#(<= ULTIMATE.start_main_~i~4 90), 222561#(<= ULTIMATE.start_main_~i~4 88), 222560#(<= ULTIMATE.start_main_~i~4 86), 222567#(<= ULTIMATE.start_main_~i~4 100), 222566#(<= ULTIMATE.start_main_~i~4 98), 222565#(<= ULTIMATE.start_main_~i~4 96), 222564#(<= ULTIMATE.start_main_~i~4 94), 222571#(<= ULTIMATE.start_main_~i~4 108), 222570#(<= ULTIMATE.start_main_~i~4 106), 222569#(<= ULTIMATE.start_main_~i~4 104), 222568#(<= ULTIMATE.start_main_~i~4 102), 222575#(<= ULTIMATE.start_main_~i~4 116), 222574#(<= ULTIMATE.start_main_~i~4 114), 222573#(<= ULTIMATE.start_main_~i~4 112), 222572#(<= ULTIMATE.start_main_~i~4 110), 222579#(<= ULTIMATE.start_main_~i~4 124), 222578#(<= ULTIMATE.start_main_~i~4 122), 222577#(<= ULTIMATE.start_main_~i~4 120), 222576#(<= ULTIMATE.start_main_~i~4 118), 222583#(<= ULTIMATE.start_main_~i~4 132), 222582#(<= ULTIMATE.start_main_~i~4 130), 222581#(<= ULTIMATE.start_main_~i~4 128), 222580#(<= ULTIMATE.start_main_~i~4 126), 222587#(<= ULTIMATE.start_main_~i~4 140), 222586#(<= ULTIMATE.start_main_~i~4 138), 222585#(<= ULTIMATE.start_main_~i~4 136), 222584#(<= ULTIMATE.start_main_~i~4 134), 222591#(<= ULTIMATE.start_main_~i~4 148), 222590#(<= ULTIMATE.start_main_~i~4 146), 222589#(<= ULTIMATE.start_main_~i~4 144), 222588#(<= ULTIMATE.start_main_~i~4 142), 222595#(<= ULTIMATE.start_main_~i~4 156), 222594#(<= ULTIMATE.start_main_~i~4 154), 222593#(<= ULTIMATE.start_main_~i~4 152), 222592#(<= ULTIMATE.start_main_~i~4 150), 222599#(<= ULTIMATE.start_main_~i~4 164), 222598#(<= ULTIMATE.start_main_~i~4 162), 222597#(<= ULTIMATE.start_main_~i~4 160), 222596#(<= ULTIMATE.start_main_~i~4 158), 222603#(<= ULTIMATE.start_main_~i~4 172), 222602#(<= ULTIMATE.start_main_~i~4 170), 222601#(<= ULTIMATE.start_main_~i~4 168), 222600#(<= ULTIMATE.start_main_~i~4 166), 222607#(<= ULTIMATE.start_main_~i~4 180), 222606#(<= ULTIMATE.start_main_~i~4 178), 222605#(<= ULTIMATE.start_main_~i~4 176), 222604#(<= ULTIMATE.start_main_~i~4 174), 222611#(<= ULTIMATE.start_main_~i~4 188), 222610#(<= ULTIMATE.start_main_~i~4 186), 222609#(<= ULTIMATE.start_main_~i~4 184), 222608#(<= ULTIMATE.start_main_~i~4 182), 222615#(<= ULTIMATE.start_main_~i~4 196), 222614#(<= ULTIMATE.start_main_~i~4 194), 222613#(<= ULTIMATE.start_main_~i~4 192), 222612#(<= ULTIMATE.start_main_~i~4 190), 222619#(<= ULTIMATE.start_main_~i~4 204), 222618#(<= ULTIMATE.start_main_~i~4 202), 222617#(<= ULTIMATE.start_main_~i~4 200), 222616#(<= ULTIMATE.start_main_~i~4 198), 222623#(<= ULTIMATE.start_main_~i~4 212), 222622#(<= ULTIMATE.start_main_~i~4 210), 222621#(<= ULTIMATE.start_main_~i~4 208), 222620#(<= ULTIMATE.start_main_~i~4 206), 222627#(<= ULTIMATE.start_main_~i~4 220), 222626#(<= ULTIMATE.start_main_~i~4 218), 222625#(<= ULTIMATE.start_main_~i~4 216), 222624#(<= ULTIMATE.start_main_~i~4 214), 222631#(<= ULTIMATE.start_main_~i~4 228), 222630#(<= ULTIMATE.start_main_~i~4 226), 222629#(<= ULTIMATE.start_main_~i~4 224), 222628#(<= ULTIMATE.start_main_~i~4 222), 222635#(<= ULTIMATE.start_main_~i~4 236), 222634#(<= ULTIMATE.start_main_~i~4 234), 222633#(<= ULTIMATE.start_main_~i~4 232), 222632#(<= ULTIMATE.start_main_~i~4 230), 222639#(<= ULTIMATE.start_main_~i~4 244), 222638#(<= ULTIMATE.start_main_~i~4 242), 222637#(<= ULTIMATE.start_main_~i~4 240), 222636#(<= ULTIMATE.start_main_~i~4 238), 222643#(<= ULTIMATE.start_main_~i~4 252), 222642#(<= ULTIMATE.start_main_~i~4 250), 222641#(<= ULTIMATE.start_main_~i~4 248), 222640#(<= ULTIMATE.start_main_~i~4 246), 222647#(<= ULTIMATE.start_main_~i~4 260), 222646#(<= ULTIMATE.start_main_~i~4 258), 222645#(<= ULTIMATE.start_main_~i~4 256), 222644#(<= ULTIMATE.start_main_~i~4 254), 222651#(<= ULTIMATE.start_main_~i~4 268), 222650#(<= ULTIMATE.start_main_~i~4 266), 222649#(<= ULTIMATE.start_main_~i~4 264), 222648#(<= ULTIMATE.start_main_~i~4 262), 222655#(<= ULTIMATE.start_main_~i~4 276), 222654#(<= ULTIMATE.start_main_~i~4 274), 222653#(<= ULTIMATE.start_main_~i~4 272), 222652#(<= ULTIMATE.start_main_~i~4 270), 222659#(<= ULTIMATE.start_main_~i~4 284), 222658#(<= ULTIMATE.start_main_~i~4 282), 222657#(<= ULTIMATE.start_main_~i~4 280), 222656#(<= ULTIMATE.start_main_~i~4 278), 222663#(<= ULTIMATE.start_main_~i~4 292), 222662#(<= ULTIMATE.start_main_~i~4 290), 222661#(<= ULTIMATE.start_main_~i~4 288), 222660#(<= ULTIMATE.start_main_~i~4 286), 222667#(<= ULTIMATE.start_main_~i~4 300), 222666#(<= ULTIMATE.start_main_~i~4 298), 222665#(<= ULTIMATE.start_main_~i~4 296), 222664#(<= ULTIMATE.start_main_~i~4 294), 222671#(<= ULTIMATE.start_main_~i~4 308), 222670#(<= ULTIMATE.start_main_~i~4 306), 222669#(<= ULTIMATE.start_main_~i~4 304), 222668#(<= ULTIMATE.start_main_~i~4 302), 222675#(<= ULTIMATE.start_main_~i~4 316), 222674#(<= ULTIMATE.start_main_~i~4 314), 222673#(<= ULTIMATE.start_main_~i~4 312), 222672#(<= ULTIMATE.start_main_~i~4 310), 222679#(<= ULTIMATE.start_main_~i~4 324), 222678#(<= ULTIMATE.start_main_~i~4 322), 222677#(<= ULTIMATE.start_main_~i~4 320), 222676#(<= ULTIMATE.start_main_~i~4 318), 222683#(<= ULTIMATE.start_main_~i~4 332), 222682#(<= ULTIMATE.start_main_~i~4 330), 222681#(<= ULTIMATE.start_main_~i~4 328), 222680#(<= ULTIMATE.start_main_~i~4 326), 222687#(<= ULTIMATE.start_main_~i~4 340), 222686#(<= ULTIMATE.start_main_~i~4 338), 222685#(<= ULTIMATE.start_main_~i~4 336), 222684#(<= ULTIMATE.start_main_~i~4 334), 222691#(<= ULTIMATE.start_main_~i~4 348), 222690#(<= ULTIMATE.start_main_~i~4 346), 222689#(<= ULTIMATE.start_main_~i~4 344), 222688#(<= ULTIMATE.start_main_~i~4 342), 222695#(<= ULTIMATE.start_main_~i~4 356), 222694#(<= ULTIMATE.start_main_~i~4 354), 222693#(<= ULTIMATE.start_main_~i~4 352), 222692#(<= ULTIMATE.start_main_~i~4 350), 222699#(<= ULTIMATE.start_main_~i~4 364), 222698#(<= ULTIMATE.start_main_~i~4 362), 222697#(<= ULTIMATE.start_main_~i~4 360), 222696#(<= ULTIMATE.start_main_~i~4 358), 222703#(<= ULTIMATE.start_main_~i~4 372), 222702#(<= ULTIMATE.start_main_~i~4 370), 222701#(<= ULTIMATE.start_main_~i~4 368), 222700#(<= ULTIMATE.start_main_~i~4 366), 222707#(<= ULTIMATE.start_main_~i~4 380), 222706#(<= ULTIMATE.start_main_~i~4 378), 222705#(<= ULTIMATE.start_main_~i~4 376), 222704#(<= ULTIMATE.start_main_~i~4 374), 222711#(<= ULTIMATE.start_main_~i~4 388), 222710#(<= ULTIMATE.start_main_~i~4 386), 222709#(<= ULTIMATE.start_main_~i~4 384), 222708#(<= ULTIMATE.start_main_~i~4 382), 222715#(<= ULTIMATE.start_main_~i~4 396), 222714#(<= ULTIMATE.start_main_~i~4 394), 222713#(<= ULTIMATE.start_main_~i~4 392), 222712#(<= ULTIMATE.start_main_~i~4 390), 222719#(<= ULTIMATE.start_main_~i~4 404), 222718#(<= ULTIMATE.start_main_~i~4 402), 222717#(<= ULTIMATE.start_main_~i~4 400), 222716#(<= ULTIMATE.start_main_~i~4 398)] [2018-07-23 13:48:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 48180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:22,162 INFO L450 AbstractCegarLoop]: Interpolant automaton has 222 states [2018-07-23 13:48:22,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2018-07-23 13:48:22,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:48:22,166 INFO L87 Difference]: Start difference. First operand 443 states and 443 transitions. Second operand 222 states. [2018-07-23 13:48:24,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:24,241 INFO L93 Difference]: Finished difference Result 447 states and 447 transitions. [2018-07-23 13:48:24,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2018-07-23 13:48:24,241 INFO L78 Accepts]: Start accepts. Automaton has 222 states. Word has length 442 [2018-07-23 13:48:24,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:24,242 INFO L225 Difference]: With dead ends: 447 [2018-07-23 13:48:24,242 INFO L226 Difference]: Without dead ends: 445 [2018-07-23 13:48:24,243 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:48:24,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-07-23 13:48:24,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2018-07-23 13:48:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-07-23 13:48:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 445 transitions. [2018-07-23 13:48:24,247 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 445 transitions. Word has length 442 [2018-07-23 13:48:24,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:24,248 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 445 transitions. [2018-07-23 13:48:24,248 INFO L472 AbstractCegarLoop]: Interpolant automaton has 222 states. [2018-07-23 13:48:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 445 transitions. [2018-07-23 13:48:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-07-23 13:48:24,249 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:24,249 INFO L357 BasicCegarLoop]: trace histogram [221, 220, 1, 1, 1] [2018-07-23 13:48:24,249 INFO L414 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:24,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1081877151, now seen corresponding path program 220 times [2018-07-23 13:48:24,249 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 48620 backedges. 0 proven. 48620 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:25,701 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:25,701 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [222] total 222 [2018-07-23 13:48:25,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:25,701 INFO L185 omatonBuilderFactory]: Interpolants [224523#(<= ULTIMATE.start_main_~i~4 0), 224522#false, 224521#true, 224527#(<= ULTIMATE.start_main_~i~4 8), 224526#(<= ULTIMATE.start_main_~i~4 6), 224525#(<= ULTIMATE.start_main_~i~4 4), 224524#(<= ULTIMATE.start_main_~i~4 2), 224531#(<= ULTIMATE.start_main_~i~4 16), 224530#(<= ULTIMATE.start_main_~i~4 14), 224529#(<= ULTIMATE.start_main_~i~4 12), 224528#(<= ULTIMATE.start_main_~i~4 10), 224535#(<= ULTIMATE.start_main_~i~4 24), 224534#(<= ULTIMATE.start_main_~i~4 22), 224533#(<= ULTIMATE.start_main_~i~4 20), 224532#(<= ULTIMATE.start_main_~i~4 18), 224539#(<= ULTIMATE.start_main_~i~4 32), 224538#(<= ULTIMATE.start_main_~i~4 30), 224537#(<= ULTIMATE.start_main_~i~4 28), 224536#(<= ULTIMATE.start_main_~i~4 26), 224543#(<= ULTIMATE.start_main_~i~4 40), 224542#(<= ULTIMATE.start_main_~i~4 38), 224541#(<= ULTIMATE.start_main_~i~4 36), 224540#(<= ULTIMATE.start_main_~i~4 34), 224547#(<= ULTIMATE.start_main_~i~4 48), 224546#(<= ULTIMATE.start_main_~i~4 46), 224545#(<= ULTIMATE.start_main_~i~4 44), 224544#(<= ULTIMATE.start_main_~i~4 42), 224551#(<= ULTIMATE.start_main_~i~4 56), 224550#(<= ULTIMATE.start_main_~i~4 54), 224549#(<= ULTIMATE.start_main_~i~4 52), 224548#(<= ULTIMATE.start_main_~i~4 50), 224555#(<= ULTIMATE.start_main_~i~4 64), 224554#(<= ULTIMATE.start_main_~i~4 62), 224553#(<= ULTIMATE.start_main_~i~4 60), 224552#(<= ULTIMATE.start_main_~i~4 58), 224559#(<= ULTIMATE.start_main_~i~4 72), 224558#(<= ULTIMATE.start_main_~i~4 70), 224557#(<= ULTIMATE.start_main_~i~4 68), 224556#(<= ULTIMATE.start_main_~i~4 66), 224563#(<= ULTIMATE.start_main_~i~4 80), 224562#(<= ULTIMATE.start_main_~i~4 78), 224561#(<= ULTIMATE.start_main_~i~4 76), 224560#(<= ULTIMATE.start_main_~i~4 74), 224567#(<= ULTIMATE.start_main_~i~4 88), 224566#(<= ULTIMATE.start_main_~i~4 86), 224565#(<= ULTIMATE.start_main_~i~4 84), 224564#(<= ULTIMATE.start_main_~i~4 82), 224571#(<= ULTIMATE.start_main_~i~4 96), 224570#(<= ULTIMATE.start_main_~i~4 94), 224569#(<= ULTIMATE.start_main_~i~4 92), 224568#(<= ULTIMATE.start_main_~i~4 90), 224575#(<= ULTIMATE.start_main_~i~4 104), 224574#(<= ULTIMATE.start_main_~i~4 102), 224573#(<= ULTIMATE.start_main_~i~4 100), 224572#(<= ULTIMATE.start_main_~i~4 98), 224579#(<= ULTIMATE.start_main_~i~4 112), 224578#(<= ULTIMATE.start_main_~i~4 110), 224577#(<= ULTIMATE.start_main_~i~4 108), 224576#(<= ULTIMATE.start_main_~i~4 106), 224583#(<= ULTIMATE.start_main_~i~4 120), 224582#(<= ULTIMATE.start_main_~i~4 118), 224581#(<= ULTIMATE.start_main_~i~4 116), 224580#(<= ULTIMATE.start_main_~i~4 114), 224587#(<= ULTIMATE.start_main_~i~4 128), 224586#(<= ULTIMATE.start_main_~i~4 126), 224585#(<= ULTIMATE.start_main_~i~4 124), 224584#(<= ULTIMATE.start_main_~i~4 122), 224591#(<= ULTIMATE.start_main_~i~4 136), 224590#(<= ULTIMATE.start_main_~i~4 134), 224589#(<= ULTIMATE.start_main_~i~4 132), 224588#(<= ULTIMATE.start_main_~i~4 130), 224595#(<= ULTIMATE.start_main_~i~4 144), 224594#(<= ULTIMATE.start_main_~i~4 142), 224593#(<= ULTIMATE.start_main_~i~4 140), 224592#(<= ULTIMATE.start_main_~i~4 138), 224599#(<= ULTIMATE.start_main_~i~4 152), 224598#(<= ULTIMATE.start_main_~i~4 150), 224597#(<= ULTIMATE.start_main_~i~4 148), 224596#(<= ULTIMATE.start_main_~i~4 146), 224603#(<= ULTIMATE.start_main_~i~4 160), 224602#(<= ULTIMATE.start_main_~i~4 158), 224601#(<= ULTIMATE.start_main_~i~4 156), 224600#(<= ULTIMATE.start_main_~i~4 154), 224607#(<= ULTIMATE.start_main_~i~4 168), 224606#(<= ULTIMATE.start_main_~i~4 166), 224605#(<= ULTIMATE.start_main_~i~4 164), 224604#(<= ULTIMATE.start_main_~i~4 162), 224611#(<= ULTIMATE.start_main_~i~4 176), 224610#(<= ULTIMATE.start_main_~i~4 174), 224609#(<= ULTIMATE.start_main_~i~4 172), 224608#(<= ULTIMATE.start_main_~i~4 170), 224615#(<= ULTIMATE.start_main_~i~4 184), 224614#(<= ULTIMATE.start_main_~i~4 182), 224613#(<= ULTIMATE.start_main_~i~4 180), 224612#(<= ULTIMATE.start_main_~i~4 178), 224619#(<= ULTIMATE.start_main_~i~4 192), 224618#(<= ULTIMATE.start_main_~i~4 190), 224617#(<= ULTIMATE.start_main_~i~4 188), 224616#(<= ULTIMATE.start_main_~i~4 186), 224623#(<= ULTIMATE.start_main_~i~4 200), 224622#(<= ULTIMATE.start_main_~i~4 198), 224621#(<= ULTIMATE.start_main_~i~4 196), 224620#(<= ULTIMATE.start_main_~i~4 194), 224627#(<= ULTIMATE.start_main_~i~4 208), 224626#(<= ULTIMATE.start_main_~i~4 206), 224625#(<= ULTIMATE.start_main_~i~4 204), 224624#(<= ULTIMATE.start_main_~i~4 202), 224631#(<= ULTIMATE.start_main_~i~4 216), 224630#(<= ULTIMATE.start_main_~i~4 214), 224629#(<= ULTIMATE.start_main_~i~4 212), 224628#(<= ULTIMATE.start_main_~i~4 210), 224635#(<= ULTIMATE.start_main_~i~4 224), 224634#(<= ULTIMATE.start_main_~i~4 222), 224633#(<= ULTIMATE.start_main_~i~4 220), 224632#(<= ULTIMATE.start_main_~i~4 218), 224639#(<= ULTIMATE.start_main_~i~4 232), 224638#(<= ULTIMATE.start_main_~i~4 230), 224637#(<= ULTIMATE.start_main_~i~4 228), 224636#(<= ULTIMATE.start_main_~i~4 226), 224643#(<= ULTIMATE.start_main_~i~4 240), 224642#(<= ULTIMATE.start_main_~i~4 238), 224641#(<= ULTIMATE.start_main_~i~4 236), 224640#(<= ULTIMATE.start_main_~i~4 234), 224647#(<= ULTIMATE.start_main_~i~4 248), 224646#(<= ULTIMATE.start_main_~i~4 246), 224645#(<= ULTIMATE.start_main_~i~4 244), 224644#(<= ULTIMATE.start_main_~i~4 242), 224651#(<= ULTIMATE.start_main_~i~4 256), 224650#(<= ULTIMATE.start_main_~i~4 254), 224649#(<= ULTIMATE.start_main_~i~4 252), 224648#(<= ULTIMATE.start_main_~i~4 250), 224655#(<= ULTIMATE.start_main_~i~4 264), 224654#(<= ULTIMATE.start_main_~i~4 262), 224653#(<= ULTIMATE.start_main_~i~4 260), 224652#(<= ULTIMATE.start_main_~i~4 258), 224659#(<= ULTIMATE.start_main_~i~4 272), 224658#(<= ULTIMATE.start_main_~i~4 270), 224657#(<= ULTIMATE.start_main_~i~4 268), 224656#(<= ULTIMATE.start_main_~i~4 266), 224663#(<= ULTIMATE.start_main_~i~4 280), 224662#(<= ULTIMATE.start_main_~i~4 278), 224661#(<= ULTIMATE.start_main_~i~4 276), 224660#(<= ULTIMATE.start_main_~i~4 274), 224667#(<= ULTIMATE.start_main_~i~4 288), 224666#(<= ULTIMATE.start_main_~i~4 286), 224665#(<= ULTIMATE.start_main_~i~4 284), 224664#(<= ULTIMATE.start_main_~i~4 282), 224671#(<= ULTIMATE.start_main_~i~4 296), 224670#(<= ULTIMATE.start_main_~i~4 294), 224669#(<= ULTIMATE.start_main_~i~4 292), 224668#(<= ULTIMATE.start_main_~i~4 290), 224675#(<= ULTIMATE.start_main_~i~4 304), 224674#(<= ULTIMATE.start_main_~i~4 302), 224673#(<= ULTIMATE.start_main_~i~4 300), 224672#(<= ULTIMATE.start_main_~i~4 298), 224679#(<= ULTIMATE.start_main_~i~4 312), 224678#(<= ULTIMATE.start_main_~i~4 310), 224677#(<= ULTIMATE.start_main_~i~4 308), 224676#(<= ULTIMATE.start_main_~i~4 306), 224683#(<= ULTIMATE.start_main_~i~4 320), 224682#(<= ULTIMATE.start_main_~i~4 318), 224681#(<= ULTIMATE.start_main_~i~4 316), 224680#(<= ULTIMATE.start_main_~i~4 314), 224687#(<= ULTIMATE.start_main_~i~4 328), 224686#(<= ULTIMATE.start_main_~i~4 326), 224685#(<= ULTIMATE.start_main_~i~4 324), 224684#(<= ULTIMATE.start_main_~i~4 322), 224691#(<= ULTIMATE.start_main_~i~4 336), 224690#(<= ULTIMATE.start_main_~i~4 334), 224689#(<= ULTIMATE.start_main_~i~4 332), 224688#(<= ULTIMATE.start_main_~i~4 330), 224695#(<= ULTIMATE.start_main_~i~4 344), 224694#(<= ULTIMATE.start_main_~i~4 342), 224693#(<= ULTIMATE.start_main_~i~4 340), 224692#(<= ULTIMATE.start_main_~i~4 338), 224699#(<= ULTIMATE.start_main_~i~4 352), 224698#(<= ULTIMATE.start_main_~i~4 350), 224697#(<= ULTIMATE.start_main_~i~4 348), 224696#(<= ULTIMATE.start_main_~i~4 346), 224703#(<= ULTIMATE.start_main_~i~4 360), 224702#(<= ULTIMATE.start_main_~i~4 358), 224701#(<= ULTIMATE.start_main_~i~4 356), 224700#(<= ULTIMATE.start_main_~i~4 354), 224707#(<= ULTIMATE.start_main_~i~4 368), 224706#(<= ULTIMATE.start_main_~i~4 366), 224705#(<= ULTIMATE.start_main_~i~4 364), 224704#(<= ULTIMATE.start_main_~i~4 362), 224711#(<= ULTIMATE.start_main_~i~4 376), 224710#(<= ULTIMATE.start_main_~i~4 374), 224709#(<= ULTIMATE.start_main_~i~4 372), 224708#(<= ULTIMATE.start_main_~i~4 370), 224715#(<= ULTIMATE.start_main_~i~4 384), 224714#(<= ULTIMATE.start_main_~i~4 382), 224713#(<= ULTIMATE.start_main_~i~4 380), 224712#(<= ULTIMATE.start_main_~i~4 378), 224719#(<= ULTIMATE.start_main_~i~4 392), 224718#(<= ULTIMATE.start_main_~i~4 390), 224717#(<= ULTIMATE.start_main_~i~4 388), 224716#(<= ULTIMATE.start_main_~i~4 386), 224723#(<= ULTIMATE.start_main_~i~4 400), 224722#(<= ULTIMATE.start_main_~i~4 398), 224721#(<= ULTIMATE.start_main_~i~4 396), 224720#(<= ULTIMATE.start_main_~i~4 394), 224727#(<= ULTIMATE.start_main_~i~4 408), 224726#(<= ULTIMATE.start_main_~i~4 406), 224725#(<= ULTIMATE.start_main_~i~4 404), 224724#(<= ULTIMATE.start_main_~i~4 402), 224731#(<= ULTIMATE.start_main_~i~4 416), 224730#(<= ULTIMATE.start_main_~i~4 414), 224729#(<= ULTIMATE.start_main_~i~4 412), 224728#(<= ULTIMATE.start_main_~i~4 410), 224735#(<= ULTIMATE.start_main_~i~4 424), 224734#(<= ULTIMATE.start_main_~i~4 422), 224733#(<= ULTIMATE.start_main_~i~4 420), 224732#(<= ULTIMATE.start_main_~i~4 418), 224739#(<= ULTIMATE.start_main_~i~4 432), 224738#(<= ULTIMATE.start_main_~i~4 430), 224737#(<= ULTIMATE.start_main_~i~4 428), 224736#(<= ULTIMATE.start_main_~i~4 426), 224743#(<= ULTIMATE.start_main_~i~4 440), 224742#(<= ULTIMATE.start_main_~i~4 438), 224741#(<= ULTIMATE.start_main_~i~4 436), 224740#(<= ULTIMATE.start_main_~i~4 434)] [2018-07-23 13:48:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 48620 backedges. 0 proven. 48620 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:25,704 INFO L450 AbstractCegarLoop]: Interpolant automaton has 223 states [2018-07-23 13:48:25,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2018-07-23 13:48:25,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:48:25,710 INFO L87 Difference]: Start difference. First operand 445 states and 445 transitions. Second operand 223 states. [2018-07-23 13:48:28,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:28,093 INFO L93 Difference]: Finished difference Result 449 states and 449 transitions. [2018-07-23 13:48:28,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2018-07-23 13:48:28,093 INFO L78 Accepts]: Start accepts. Automaton has 223 states. Word has length 444 [2018-07-23 13:48:28,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:28,093 INFO L225 Difference]: With dead ends: 449 [2018-07-23 13:48:28,093 INFO L226 Difference]: Without dead ends: 447 [2018-07-23 13:48:28,094 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:48:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-07-23 13:48:28,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2018-07-23 13:48:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-07-23 13:48:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 447 transitions. [2018-07-23 13:48:28,098 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 447 transitions. Word has length 444 [2018-07-23 13:48:28,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:28,099 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 447 transitions. [2018-07-23 13:48:28,099 INFO L472 AbstractCegarLoop]: Interpolant automaton has 223 states. [2018-07-23 13:48:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 447 transitions. [2018-07-23 13:48:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-07-23 13:48:28,100 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:28,100 INFO L357 BasicCegarLoop]: trace histogram [222, 221, 1, 1, 1] [2018-07-23 13:48:28,100 INFO L414 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:28,100 INFO L82 PathProgramCache]: Analyzing trace with hash 301908569, now seen corresponding path program 221 times [2018-07-23 13:48:28,100 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 49062 backedges. 0 proven. 49062 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,512 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:29,512 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [223] total 223 [2018-07-23 13:48:29,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,513 INFO L185 omatonBuilderFactory]: Interpolants [226539#(<= ULTIMATE.start_main_~i~4 2), 226538#(<= ULTIMATE.start_main_~i~4 0), 226537#false, 226536#true, 226543#(<= ULTIMATE.start_main_~i~4 10), 226542#(<= ULTIMATE.start_main_~i~4 8), 226541#(<= ULTIMATE.start_main_~i~4 6), 226540#(<= ULTIMATE.start_main_~i~4 4), 226547#(<= ULTIMATE.start_main_~i~4 18), 226546#(<= ULTIMATE.start_main_~i~4 16), 226545#(<= ULTIMATE.start_main_~i~4 14), 226544#(<= ULTIMATE.start_main_~i~4 12), 226551#(<= ULTIMATE.start_main_~i~4 26), 226550#(<= ULTIMATE.start_main_~i~4 24), 226549#(<= ULTIMATE.start_main_~i~4 22), 226548#(<= ULTIMATE.start_main_~i~4 20), 226555#(<= ULTIMATE.start_main_~i~4 34), 226554#(<= ULTIMATE.start_main_~i~4 32), 226553#(<= ULTIMATE.start_main_~i~4 30), 226552#(<= ULTIMATE.start_main_~i~4 28), 226559#(<= ULTIMATE.start_main_~i~4 42), 226558#(<= ULTIMATE.start_main_~i~4 40), 226557#(<= ULTIMATE.start_main_~i~4 38), 226556#(<= ULTIMATE.start_main_~i~4 36), 226563#(<= ULTIMATE.start_main_~i~4 50), 226562#(<= ULTIMATE.start_main_~i~4 48), 226561#(<= ULTIMATE.start_main_~i~4 46), 226560#(<= ULTIMATE.start_main_~i~4 44), 226567#(<= ULTIMATE.start_main_~i~4 58), 226566#(<= ULTIMATE.start_main_~i~4 56), 226565#(<= ULTIMATE.start_main_~i~4 54), 226564#(<= ULTIMATE.start_main_~i~4 52), 226571#(<= ULTIMATE.start_main_~i~4 66), 226570#(<= ULTIMATE.start_main_~i~4 64), 226569#(<= ULTIMATE.start_main_~i~4 62), 226568#(<= ULTIMATE.start_main_~i~4 60), 226575#(<= ULTIMATE.start_main_~i~4 74), 226574#(<= ULTIMATE.start_main_~i~4 72), 226573#(<= ULTIMATE.start_main_~i~4 70), 226572#(<= ULTIMATE.start_main_~i~4 68), 226579#(<= ULTIMATE.start_main_~i~4 82), 226578#(<= ULTIMATE.start_main_~i~4 80), 226577#(<= ULTIMATE.start_main_~i~4 78), 226576#(<= ULTIMATE.start_main_~i~4 76), 226583#(<= ULTIMATE.start_main_~i~4 90), 226582#(<= ULTIMATE.start_main_~i~4 88), 226581#(<= ULTIMATE.start_main_~i~4 86), 226580#(<= ULTIMATE.start_main_~i~4 84), 226587#(<= ULTIMATE.start_main_~i~4 98), 226586#(<= ULTIMATE.start_main_~i~4 96), 226585#(<= ULTIMATE.start_main_~i~4 94), 226584#(<= ULTIMATE.start_main_~i~4 92), 226591#(<= ULTIMATE.start_main_~i~4 106), 226590#(<= ULTIMATE.start_main_~i~4 104), 226589#(<= ULTIMATE.start_main_~i~4 102), 226588#(<= ULTIMATE.start_main_~i~4 100), 226595#(<= ULTIMATE.start_main_~i~4 114), 226594#(<= ULTIMATE.start_main_~i~4 112), 226593#(<= ULTIMATE.start_main_~i~4 110), 226592#(<= ULTIMATE.start_main_~i~4 108), 226599#(<= ULTIMATE.start_main_~i~4 122), 226598#(<= ULTIMATE.start_main_~i~4 120), 226597#(<= ULTIMATE.start_main_~i~4 118), 226596#(<= ULTIMATE.start_main_~i~4 116), 226603#(<= ULTIMATE.start_main_~i~4 130), 226602#(<= ULTIMATE.start_main_~i~4 128), 226601#(<= ULTIMATE.start_main_~i~4 126), 226600#(<= ULTIMATE.start_main_~i~4 124), 226607#(<= ULTIMATE.start_main_~i~4 138), 226606#(<= ULTIMATE.start_main_~i~4 136), 226605#(<= ULTIMATE.start_main_~i~4 134), 226604#(<= ULTIMATE.start_main_~i~4 132), 226611#(<= ULTIMATE.start_main_~i~4 146), 226610#(<= ULTIMATE.start_main_~i~4 144), 226609#(<= ULTIMATE.start_main_~i~4 142), 226608#(<= ULTIMATE.start_main_~i~4 140), 226615#(<= ULTIMATE.start_main_~i~4 154), 226614#(<= ULTIMATE.start_main_~i~4 152), 226613#(<= ULTIMATE.start_main_~i~4 150), 226612#(<= ULTIMATE.start_main_~i~4 148), 226619#(<= ULTIMATE.start_main_~i~4 162), 226618#(<= ULTIMATE.start_main_~i~4 160), 226617#(<= ULTIMATE.start_main_~i~4 158), 226616#(<= ULTIMATE.start_main_~i~4 156), 226623#(<= ULTIMATE.start_main_~i~4 170), 226622#(<= ULTIMATE.start_main_~i~4 168), 226621#(<= ULTIMATE.start_main_~i~4 166), 226620#(<= ULTIMATE.start_main_~i~4 164), 226627#(<= ULTIMATE.start_main_~i~4 178), 226626#(<= ULTIMATE.start_main_~i~4 176), 226625#(<= ULTIMATE.start_main_~i~4 174), 226624#(<= ULTIMATE.start_main_~i~4 172), 226631#(<= ULTIMATE.start_main_~i~4 186), 226630#(<= ULTIMATE.start_main_~i~4 184), 226629#(<= ULTIMATE.start_main_~i~4 182), 226628#(<= ULTIMATE.start_main_~i~4 180), 226635#(<= ULTIMATE.start_main_~i~4 194), 226634#(<= ULTIMATE.start_main_~i~4 192), 226633#(<= ULTIMATE.start_main_~i~4 190), 226632#(<= ULTIMATE.start_main_~i~4 188), 226639#(<= ULTIMATE.start_main_~i~4 202), 226638#(<= ULTIMATE.start_main_~i~4 200), 226637#(<= ULTIMATE.start_main_~i~4 198), 226636#(<= ULTIMATE.start_main_~i~4 196), 226643#(<= ULTIMATE.start_main_~i~4 210), 226642#(<= ULTIMATE.start_main_~i~4 208), 226641#(<= ULTIMATE.start_main_~i~4 206), 226640#(<= ULTIMATE.start_main_~i~4 204), 226647#(<= ULTIMATE.start_main_~i~4 218), 226646#(<= ULTIMATE.start_main_~i~4 216), 226645#(<= ULTIMATE.start_main_~i~4 214), 226644#(<= ULTIMATE.start_main_~i~4 212), 226651#(<= ULTIMATE.start_main_~i~4 226), 226650#(<= ULTIMATE.start_main_~i~4 224), 226649#(<= ULTIMATE.start_main_~i~4 222), 226648#(<= ULTIMATE.start_main_~i~4 220), 226655#(<= ULTIMATE.start_main_~i~4 234), 226654#(<= ULTIMATE.start_main_~i~4 232), 226653#(<= ULTIMATE.start_main_~i~4 230), 226652#(<= ULTIMATE.start_main_~i~4 228), 226659#(<= ULTIMATE.start_main_~i~4 242), 226658#(<= ULTIMATE.start_main_~i~4 240), 226657#(<= ULTIMATE.start_main_~i~4 238), 226656#(<= ULTIMATE.start_main_~i~4 236), 226663#(<= ULTIMATE.start_main_~i~4 250), 226662#(<= ULTIMATE.start_main_~i~4 248), 226661#(<= ULTIMATE.start_main_~i~4 246), 226660#(<= ULTIMATE.start_main_~i~4 244), 226667#(<= ULTIMATE.start_main_~i~4 258), 226666#(<= ULTIMATE.start_main_~i~4 256), 226665#(<= ULTIMATE.start_main_~i~4 254), 226664#(<= ULTIMATE.start_main_~i~4 252), 226671#(<= ULTIMATE.start_main_~i~4 266), 226670#(<= ULTIMATE.start_main_~i~4 264), 226669#(<= ULTIMATE.start_main_~i~4 262), 226668#(<= ULTIMATE.start_main_~i~4 260), 226675#(<= ULTIMATE.start_main_~i~4 274), 226674#(<= ULTIMATE.start_main_~i~4 272), 226673#(<= ULTIMATE.start_main_~i~4 270), 226672#(<= ULTIMATE.start_main_~i~4 268), 226679#(<= ULTIMATE.start_main_~i~4 282), 226678#(<= ULTIMATE.start_main_~i~4 280), 226677#(<= ULTIMATE.start_main_~i~4 278), 226676#(<= ULTIMATE.start_main_~i~4 276), 226683#(<= ULTIMATE.start_main_~i~4 290), 226682#(<= ULTIMATE.start_main_~i~4 288), 226681#(<= ULTIMATE.start_main_~i~4 286), 226680#(<= ULTIMATE.start_main_~i~4 284), 226687#(<= ULTIMATE.start_main_~i~4 298), 226686#(<= ULTIMATE.start_main_~i~4 296), 226685#(<= ULTIMATE.start_main_~i~4 294), 226684#(<= ULTIMATE.start_main_~i~4 292), 226691#(<= ULTIMATE.start_main_~i~4 306), 226690#(<= ULTIMATE.start_main_~i~4 304), 226689#(<= ULTIMATE.start_main_~i~4 302), 226688#(<= ULTIMATE.start_main_~i~4 300), 226695#(<= ULTIMATE.start_main_~i~4 314), 226694#(<= ULTIMATE.start_main_~i~4 312), 226693#(<= ULTIMATE.start_main_~i~4 310), 226692#(<= ULTIMATE.start_main_~i~4 308), 226699#(<= ULTIMATE.start_main_~i~4 322), 226698#(<= ULTIMATE.start_main_~i~4 320), 226697#(<= ULTIMATE.start_main_~i~4 318), 226696#(<= ULTIMATE.start_main_~i~4 316), 226703#(<= ULTIMATE.start_main_~i~4 330), 226702#(<= ULTIMATE.start_main_~i~4 328), 226701#(<= ULTIMATE.start_main_~i~4 326), 226700#(<= ULTIMATE.start_main_~i~4 324), 226707#(<= ULTIMATE.start_main_~i~4 338), 226706#(<= ULTIMATE.start_main_~i~4 336), 226705#(<= ULTIMATE.start_main_~i~4 334), 226704#(<= ULTIMATE.start_main_~i~4 332), 226711#(<= ULTIMATE.start_main_~i~4 346), 226710#(<= ULTIMATE.start_main_~i~4 344), 226709#(<= ULTIMATE.start_main_~i~4 342), 226708#(<= ULTIMATE.start_main_~i~4 340), 226715#(<= ULTIMATE.start_main_~i~4 354), 226714#(<= ULTIMATE.start_main_~i~4 352), 226713#(<= ULTIMATE.start_main_~i~4 350), 226712#(<= ULTIMATE.start_main_~i~4 348), 226719#(<= ULTIMATE.start_main_~i~4 362), 226718#(<= ULTIMATE.start_main_~i~4 360), 226717#(<= ULTIMATE.start_main_~i~4 358), 226716#(<= ULTIMATE.start_main_~i~4 356), 226723#(<= ULTIMATE.start_main_~i~4 370), 226722#(<= ULTIMATE.start_main_~i~4 368), 226721#(<= ULTIMATE.start_main_~i~4 366), 226720#(<= ULTIMATE.start_main_~i~4 364), 226727#(<= ULTIMATE.start_main_~i~4 378), 226726#(<= ULTIMATE.start_main_~i~4 376), 226725#(<= ULTIMATE.start_main_~i~4 374), 226724#(<= ULTIMATE.start_main_~i~4 372), 226731#(<= ULTIMATE.start_main_~i~4 386), 226730#(<= ULTIMATE.start_main_~i~4 384), 226729#(<= ULTIMATE.start_main_~i~4 382), 226728#(<= ULTIMATE.start_main_~i~4 380), 226735#(<= ULTIMATE.start_main_~i~4 394), 226734#(<= ULTIMATE.start_main_~i~4 392), 226733#(<= ULTIMATE.start_main_~i~4 390), 226732#(<= ULTIMATE.start_main_~i~4 388), 226739#(<= ULTIMATE.start_main_~i~4 402), 226738#(<= ULTIMATE.start_main_~i~4 400), 226737#(<= ULTIMATE.start_main_~i~4 398), 226736#(<= ULTIMATE.start_main_~i~4 396), 226743#(<= ULTIMATE.start_main_~i~4 410), 226742#(<= ULTIMATE.start_main_~i~4 408), 226741#(<= ULTIMATE.start_main_~i~4 406), 226740#(<= ULTIMATE.start_main_~i~4 404), 226747#(<= ULTIMATE.start_main_~i~4 418), 226746#(<= ULTIMATE.start_main_~i~4 416), 226745#(<= ULTIMATE.start_main_~i~4 414), 226744#(<= ULTIMATE.start_main_~i~4 412), 226751#(<= ULTIMATE.start_main_~i~4 426), 226750#(<= ULTIMATE.start_main_~i~4 424), 226749#(<= ULTIMATE.start_main_~i~4 422), 226748#(<= ULTIMATE.start_main_~i~4 420), 226755#(<= ULTIMATE.start_main_~i~4 434), 226754#(<= ULTIMATE.start_main_~i~4 432), 226753#(<= ULTIMATE.start_main_~i~4 430), 226752#(<= ULTIMATE.start_main_~i~4 428), 226759#(<= ULTIMATE.start_main_~i~4 442), 226758#(<= ULTIMATE.start_main_~i~4 440), 226757#(<= ULTIMATE.start_main_~i~4 438), 226756#(<= ULTIMATE.start_main_~i~4 436)] [2018-07-23 13:48:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 49062 backedges. 0 proven. 49062 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,515 INFO L450 AbstractCegarLoop]: Interpolant automaton has 224 states [2018-07-23 13:48:29,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2018-07-23 13:48:29,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:48:29,521 INFO L87 Difference]: Start difference. First operand 447 states and 447 transitions. Second operand 224 states. [2018-07-23 13:48:32,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:32,303 INFO L93 Difference]: Finished difference Result 451 states and 451 transitions. [2018-07-23 13:48:32,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2018-07-23 13:48:32,303 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 446 [2018-07-23 13:48:32,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:32,304 INFO L225 Difference]: With dead ends: 451 [2018-07-23 13:48:32,304 INFO L226 Difference]: Without dead ends: 449 [2018-07-23 13:48:32,306 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:48:32,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-07-23 13:48:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2018-07-23 13:48:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-07-23 13:48:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 449 transitions. [2018-07-23 13:48:32,310 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 449 transitions. Word has length 446 [2018-07-23 13:48:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:32,310 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 449 transitions. [2018-07-23 13:48:32,311 INFO L472 AbstractCegarLoop]: Interpolant automaton has 224 states. [2018-07-23 13:48:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 449 transitions. [2018-07-23 13:48:32,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-07-23 13:48:32,312 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:32,312 INFO L357 BasicCegarLoop]: trace histogram [223, 222, 1, 1, 1] [2018-07-23 13:48:32,312 INFO L414 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:32,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1923589229, now seen corresponding path program 222 times [2018-07-23 13:48:32,312 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 49506 backedges. 0 proven. 49506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:33,770 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:33,770 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [224] total 224 [2018-07-23 13:48:33,770 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:33,770 INFO L185 omatonBuilderFactory]: Interpolants [228563#(<= ULTIMATE.start_main_~i~4 2), 228562#(<= ULTIMATE.start_main_~i~4 0), 228561#false, 228560#true, 228567#(<= ULTIMATE.start_main_~i~4 10), 228566#(<= ULTIMATE.start_main_~i~4 8), 228565#(<= ULTIMATE.start_main_~i~4 6), 228564#(<= ULTIMATE.start_main_~i~4 4), 228571#(<= ULTIMATE.start_main_~i~4 18), 228570#(<= ULTIMATE.start_main_~i~4 16), 228569#(<= ULTIMATE.start_main_~i~4 14), 228568#(<= ULTIMATE.start_main_~i~4 12), 228575#(<= ULTIMATE.start_main_~i~4 26), 228574#(<= ULTIMATE.start_main_~i~4 24), 228573#(<= ULTIMATE.start_main_~i~4 22), 228572#(<= ULTIMATE.start_main_~i~4 20), 228579#(<= ULTIMATE.start_main_~i~4 34), 228578#(<= ULTIMATE.start_main_~i~4 32), 228577#(<= ULTIMATE.start_main_~i~4 30), 228576#(<= ULTIMATE.start_main_~i~4 28), 228583#(<= ULTIMATE.start_main_~i~4 42), 228582#(<= ULTIMATE.start_main_~i~4 40), 228581#(<= ULTIMATE.start_main_~i~4 38), 228580#(<= ULTIMATE.start_main_~i~4 36), 228587#(<= ULTIMATE.start_main_~i~4 50), 228586#(<= ULTIMATE.start_main_~i~4 48), 228585#(<= ULTIMATE.start_main_~i~4 46), 228584#(<= ULTIMATE.start_main_~i~4 44), 228591#(<= ULTIMATE.start_main_~i~4 58), 228590#(<= ULTIMATE.start_main_~i~4 56), 228589#(<= ULTIMATE.start_main_~i~4 54), 228588#(<= ULTIMATE.start_main_~i~4 52), 228595#(<= ULTIMATE.start_main_~i~4 66), 228594#(<= ULTIMATE.start_main_~i~4 64), 228593#(<= ULTIMATE.start_main_~i~4 62), 228592#(<= ULTIMATE.start_main_~i~4 60), 228599#(<= ULTIMATE.start_main_~i~4 74), 228598#(<= ULTIMATE.start_main_~i~4 72), 228597#(<= ULTIMATE.start_main_~i~4 70), 228596#(<= ULTIMATE.start_main_~i~4 68), 228603#(<= ULTIMATE.start_main_~i~4 82), 228602#(<= ULTIMATE.start_main_~i~4 80), 228601#(<= ULTIMATE.start_main_~i~4 78), 228600#(<= ULTIMATE.start_main_~i~4 76), 228607#(<= ULTIMATE.start_main_~i~4 90), 228606#(<= ULTIMATE.start_main_~i~4 88), 228605#(<= ULTIMATE.start_main_~i~4 86), 228604#(<= ULTIMATE.start_main_~i~4 84), 228611#(<= ULTIMATE.start_main_~i~4 98), 228610#(<= ULTIMATE.start_main_~i~4 96), 228609#(<= ULTIMATE.start_main_~i~4 94), 228608#(<= ULTIMATE.start_main_~i~4 92), 228615#(<= ULTIMATE.start_main_~i~4 106), 228614#(<= ULTIMATE.start_main_~i~4 104), 228613#(<= ULTIMATE.start_main_~i~4 102), 228612#(<= ULTIMATE.start_main_~i~4 100), 228619#(<= ULTIMATE.start_main_~i~4 114), 228618#(<= ULTIMATE.start_main_~i~4 112), 228617#(<= ULTIMATE.start_main_~i~4 110), 228616#(<= ULTIMATE.start_main_~i~4 108), 228623#(<= ULTIMATE.start_main_~i~4 122), 228622#(<= ULTIMATE.start_main_~i~4 120), 228621#(<= ULTIMATE.start_main_~i~4 118), 228620#(<= ULTIMATE.start_main_~i~4 116), 228627#(<= ULTIMATE.start_main_~i~4 130), 228626#(<= ULTIMATE.start_main_~i~4 128), 228625#(<= ULTIMATE.start_main_~i~4 126), 228624#(<= ULTIMATE.start_main_~i~4 124), 228631#(<= ULTIMATE.start_main_~i~4 138), 228630#(<= ULTIMATE.start_main_~i~4 136), 228629#(<= ULTIMATE.start_main_~i~4 134), 228628#(<= ULTIMATE.start_main_~i~4 132), 228635#(<= ULTIMATE.start_main_~i~4 146), 228634#(<= ULTIMATE.start_main_~i~4 144), 228633#(<= ULTIMATE.start_main_~i~4 142), 228632#(<= ULTIMATE.start_main_~i~4 140), 228639#(<= ULTIMATE.start_main_~i~4 154), 228638#(<= ULTIMATE.start_main_~i~4 152), 228637#(<= ULTIMATE.start_main_~i~4 150), 228636#(<= ULTIMATE.start_main_~i~4 148), 228643#(<= ULTIMATE.start_main_~i~4 162), 228642#(<= ULTIMATE.start_main_~i~4 160), 228641#(<= ULTIMATE.start_main_~i~4 158), 228640#(<= ULTIMATE.start_main_~i~4 156), 228647#(<= ULTIMATE.start_main_~i~4 170), 228646#(<= ULTIMATE.start_main_~i~4 168), 228645#(<= ULTIMATE.start_main_~i~4 166), 228644#(<= ULTIMATE.start_main_~i~4 164), 228651#(<= ULTIMATE.start_main_~i~4 178), 228650#(<= ULTIMATE.start_main_~i~4 176), 228649#(<= ULTIMATE.start_main_~i~4 174), 228648#(<= ULTIMATE.start_main_~i~4 172), 228655#(<= ULTIMATE.start_main_~i~4 186), 228654#(<= ULTIMATE.start_main_~i~4 184), 228653#(<= ULTIMATE.start_main_~i~4 182), 228652#(<= ULTIMATE.start_main_~i~4 180), 228659#(<= ULTIMATE.start_main_~i~4 194), 228658#(<= ULTIMATE.start_main_~i~4 192), 228657#(<= ULTIMATE.start_main_~i~4 190), 228656#(<= ULTIMATE.start_main_~i~4 188), 228663#(<= ULTIMATE.start_main_~i~4 202), 228662#(<= ULTIMATE.start_main_~i~4 200), 228661#(<= ULTIMATE.start_main_~i~4 198), 228660#(<= ULTIMATE.start_main_~i~4 196), 228667#(<= ULTIMATE.start_main_~i~4 210), 228666#(<= ULTIMATE.start_main_~i~4 208), 228665#(<= ULTIMATE.start_main_~i~4 206), 228664#(<= ULTIMATE.start_main_~i~4 204), 228671#(<= ULTIMATE.start_main_~i~4 218), 228670#(<= ULTIMATE.start_main_~i~4 216), 228669#(<= ULTIMATE.start_main_~i~4 214), 228668#(<= ULTIMATE.start_main_~i~4 212), 228675#(<= ULTIMATE.start_main_~i~4 226), 228674#(<= ULTIMATE.start_main_~i~4 224), 228673#(<= ULTIMATE.start_main_~i~4 222), 228672#(<= ULTIMATE.start_main_~i~4 220), 228679#(<= ULTIMATE.start_main_~i~4 234), 228678#(<= ULTIMATE.start_main_~i~4 232), 228677#(<= ULTIMATE.start_main_~i~4 230), 228676#(<= ULTIMATE.start_main_~i~4 228), 228683#(<= ULTIMATE.start_main_~i~4 242), 228682#(<= ULTIMATE.start_main_~i~4 240), 228681#(<= ULTIMATE.start_main_~i~4 238), 228680#(<= ULTIMATE.start_main_~i~4 236), 228687#(<= ULTIMATE.start_main_~i~4 250), 228686#(<= ULTIMATE.start_main_~i~4 248), 228685#(<= ULTIMATE.start_main_~i~4 246), 228684#(<= ULTIMATE.start_main_~i~4 244), 228691#(<= ULTIMATE.start_main_~i~4 258), 228690#(<= ULTIMATE.start_main_~i~4 256), 228689#(<= ULTIMATE.start_main_~i~4 254), 228688#(<= ULTIMATE.start_main_~i~4 252), 228695#(<= ULTIMATE.start_main_~i~4 266), 228694#(<= ULTIMATE.start_main_~i~4 264), 228693#(<= ULTIMATE.start_main_~i~4 262), 228692#(<= ULTIMATE.start_main_~i~4 260), 228699#(<= ULTIMATE.start_main_~i~4 274), 228698#(<= ULTIMATE.start_main_~i~4 272), 228697#(<= ULTIMATE.start_main_~i~4 270), 228696#(<= ULTIMATE.start_main_~i~4 268), 228703#(<= ULTIMATE.start_main_~i~4 282), 228702#(<= ULTIMATE.start_main_~i~4 280), 228701#(<= ULTIMATE.start_main_~i~4 278), 228700#(<= ULTIMATE.start_main_~i~4 276), 228707#(<= ULTIMATE.start_main_~i~4 290), 228706#(<= ULTIMATE.start_main_~i~4 288), 228705#(<= ULTIMATE.start_main_~i~4 286), 228704#(<= ULTIMATE.start_main_~i~4 284), 228711#(<= ULTIMATE.start_main_~i~4 298), 228710#(<= ULTIMATE.start_main_~i~4 296), 228709#(<= ULTIMATE.start_main_~i~4 294), 228708#(<= ULTIMATE.start_main_~i~4 292), 228715#(<= ULTIMATE.start_main_~i~4 306), 228714#(<= ULTIMATE.start_main_~i~4 304), 228713#(<= ULTIMATE.start_main_~i~4 302), 228712#(<= ULTIMATE.start_main_~i~4 300), 228719#(<= ULTIMATE.start_main_~i~4 314), 228718#(<= ULTIMATE.start_main_~i~4 312), 228717#(<= ULTIMATE.start_main_~i~4 310), 228716#(<= ULTIMATE.start_main_~i~4 308), 228723#(<= ULTIMATE.start_main_~i~4 322), 228722#(<= ULTIMATE.start_main_~i~4 320), 228721#(<= ULTIMATE.start_main_~i~4 318), 228720#(<= ULTIMATE.start_main_~i~4 316), 228727#(<= ULTIMATE.start_main_~i~4 330), 228726#(<= ULTIMATE.start_main_~i~4 328), 228725#(<= ULTIMATE.start_main_~i~4 326), 228724#(<= ULTIMATE.start_main_~i~4 324), 228731#(<= ULTIMATE.start_main_~i~4 338), 228730#(<= ULTIMATE.start_main_~i~4 336), 228729#(<= ULTIMATE.start_main_~i~4 334), 228728#(<= ULTIMATE.start_main_~i~4 332), 228735#(<= ULTIMATE.start_main_~i~4 346), 228734#(<= ULTIMATE.start_main_~i~4 344), 228733#(<= ULTIMATE.start_main_~i~4 342), 228732#(<= ULTIMATE.start_main_~i~4 340), 228739#(<= ULTIMATE.start_main_~i~4 354), 228738#(<= ULTIMATE.start_main_~i~4 352), 228737#(<= ULTIMATE.start_main_~i~4 350), 228736#(<= ULTIMATE.start_main_~i~4 348), 228743#(<= ULTIMATE.start_main_~i~4 362), 228742#(<= ULTIMATE.start_main_~i~4 360), 228741#(<= ULTIMATE.start_main_~i~4 358), 228740#(<= ULTIMATE.start_main_~i~4 356), 228747#(<= ULTIMATE.start_main_~i~4 370), 228746#(<= ULTIMATE.start_main_~i~4 368), 228745#(<= ULTIMATE.start_main_~i~4 366), 228744#(<= ULTIMATE.start_main_~i~4 364), 228751#(<= ULTIMATE.start_main_~i~4 378), 228750#(<= ULTIMATE.start_main_~i~4 376), 228749#(<= ULTIMATE.start_main_~i~4 374), 228748#(<= ULTIMATE.start_main_~i~4 372), 228755#(<= ULTIMATE.start_main_~i~4 386), 228754#(<= ULTIMATE.start_main_~i~4 384), 228753#(<= ULTIMATE.start_main_~i~4 382), 228752#(<= ULTIMATE.start_main_~i~4 380), 228759#(<= ULTIMATE.start_main_~i~4 394), 228758#(<= ULTIMATE.start_main_~i~4 392), 228757#(<= ULTIMATE.start_main_~i~4 390), 228756#(<= ULTIMATE.start_main_~i~4 388), 228763#(<= ULTIMATE.start_main_~i~4 402), 228762#(<= ULTIMATE.start_main_~i~4 400), 228761#(<= ULTIMATE.start_main_~i~4 398), 228760#(<= ULTIMATE.start_main_~i~4 396), 228767#(<= ULTIMATE.start_main_~i~4 410), 228766#(<= ULTIMATE.start_main_~i~4 408), 228765#(<= ULTIMATE.start_main_~i~4 406), 228764#(<= ULTIMATE.start_main_~i~4 404), 228771#(<= ULTIMATE.start_main_~i~4 418), 228770#(<= ULTIMATE.start_main_~i~4 416), 228769#(<= ULTIMATE.start_main_~i~4 414), 228768#(<= ULTIMATE.start_main_~i~4 412), 228775#(<= ULTIMATE.start_main_~i~4 426), 228774#(<= ULTIMATE.start_main_~i~4 424), 228773#(<= ULTIMATE.start_main_~i~4 422), 228772#(<= ULTIMATE.start_main_~i~4 420), 228779#(<= ULTIMATE.start_main_~i~4 434), 228778#(<= ULTIMATE.start_main_~i~4 432), 228777#(<= ULTIMATE.start_main_~i~4 430), 228776#(<= ULTIMATE.start_main_~i~4 428), 228783#(<= ULTIMATE.start_main_~i~4 442), 228782#(<= ULTIMATE.start_main_~i~4 440), 228781#(<= ULTIMATE.start_main_~i~4 438), 228780#(<= ULTIMATE.start_main_~i~4 436), 228784#(<= ULTIMATE.start_main_~i~4 444)] [2018-07-23 13:48:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 49506 backedges. 0 proven. 49506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:33,773 INFO L450 AbstractCegarLoop]: Interpolant automaton has 225 states [2018-07-23 13:48:33,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2018-07-23 13:48:33,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:48:33,777 INFO L87 Difference]: Start difference. First operand 449 states and 449 transitions. Second operand 225 states. [2018-07-23 13:48:36,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:36,042 INFO L93 Difference]: Finished difference Result 453 states and 453 transitions. [2018-07-23 13:48:36,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:48:36,042 INFO L78 Accepts]: Start accepts. Automaton has 225 states. Word has length 448 [2018-07-23 13:48:36,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:36,043 INFO L225 Difference]: With dead ends: 453 [2018-07-23 13:48:36,043 INFO L226 Difference]: Without dead ends: 451 [2018-07-23 13:48:36,045 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:48:36,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-07-23 13:48:36,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2018-07-23 13:48:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-07-23 13:48:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 451 transitions. [2018-07-23 13:48:36,049 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 451 transitions. Word has length 448 [2018-07-23 13:48:36,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:36,049 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 451 transitions. [2018-07-23 13:48:36,049 INFO L472 AbstractCegarLoop]: Interpolant automaton has 225 states. [2018-07-23 13:48:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 451 transitions. [2018-07-23 13:48:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2018-07-23 13:48:36,051 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:36,051 INFO L357 BasicCegarLoop]: trace histogram [224, 223, 1, 1, 1] [2018-07-23 13:48:36,051 INFO L414 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:36,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1733259699, now seen corresponding path program 223 times [2018-07-23 13:48:36,051 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 49952 backedges. 0 proven. 49952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:37,565 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:37,566 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [225] total 225 [2018-07-23 13:48:37,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:37,566 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 13:48:37,566 INFO L185 omatonBuilderFactory]: Interpolants [230595#(<= ULTIMATE.start_main_~i~4 0), 230594#false, 230593#true, 230599#(<= ULTIMATE.start_main_~i~4 8), 230598#(<= ULTIMATE.start_main_~i~4 6), 230597#(<= ULTIMATE.start_main_~i~4 4), 230596#(<= ULTIMATE.start_main_~i~4 2), 230603#(<= ULTIMATE.start_main_~i~4 16), 230602#(<= ULTIMATE.start_main_~i~4 14), 230601#(<= ULTIMATE.start_main_~i~4 12), 230600#(<= ULTIMATE.start_main_~i~4 10), 230607#(<= ULTIMATE.start_main_~i~4 24), 230606#(<= ULTIMATE.start_main_~i~4 22), 230605#(<= ULTIMATE.start_main_~i~4 20), 230604#(<= ULTIMATE.start_main_~i~4 18), 230611#(<= ULTIMATE.start_main_~i~4 32), 230610#(<= ULTIMATE.start_main_~i~4 30), 230609#(<= ULTIMATE.start_main_~i~4 28), 230608#(<= ULTIMATE.start_main_~i~4 26), 230615#(<= ULTIMATE.start_main_~i~4 40), 230614#(<= ULTIMATE.start_main_~i~4 38), 230613#(<= ULTIMATE.start_main_~i~4 36), 230612#(<= ULTIMATE.start_main_~i~4 34), 230619#(<= ULTIMATE.start_main_~i~4 48), 230618#(<= ULTIMATE.start_main_~i~4 46), 230617#(<= ULTIMATE.start_main_~i~4 44), 230616#(<= ULTIMATE.start_main_~i~4 42), 230623#(<= ULTIMATE.start_main_~i~4 56), 230622#(<= ULTIMATE.start_main_~i~4 54), 230621#(<= ULTIMATE.start_main_~i~4 52), 230620#(<= ULTIMATE.start_main_~i~4 50), 230627#(<= ULTIMATE.start_main_~i~4 64), 230626#(<= ULTIMATE.start_main_~i~4 62), 230625#(<= ULTIMATE.start_main_~i~4 60), 230624#(<= ULTIMATE.start_main_~i~4 58), 230631#(<= ULTIMATE.start_main_~i~4 72), 230630#(<= ULTIMATE.start_main_~i~4 70), 230629#(<= ULTIMATE.start_main_~i~4 68), 230628#(<= ULTIMATE.start_main_~i~4 66), 230635#(<= ULTIMATE.start_main_~i~4 80), 230634#(<= ULTIMATE.start_main_~i~4 78), 230633#(<= ULTIMATE.start_main_~i~4 76), 230632#(<= ULTIMATE.start_main_~i~4 74), 230639#(<= ULTIMATE.start_main_~i~4 88), 230638#(<= ULTIMATE.start_main_~i~4 86), 230637#(<= ULTIMATE.start_main_~i~4 84), 230636#(<= ULTIMATE.start_main_~i~4 82), 230643#(<= ULTIMATE.start_main_~i~4 96), 230642#(<= ULTIMATE.start_main_~i~4 94), 230641#(<= ULTIMATE.start_main_~i~4 92), 230640#(<= ULTIMATE.start_main_~i~4 90), 230647#(<= ULTIMATE.start_main_~i~4 104), 230646#(<= ULTIMATE.start_main_~i~4 102), 230645#(<= ULTIMATE.start_main_~i~4 100), 230644#(<= ULTIMATE.start_main_~i~4 98), 230651#(<= ULTIMATE.start_main_~i~4 112), 230650#(<= ULTIMATE.start_main_~i~4 110), 230649#(<= ULTIMATE.start_main_~i~4 108), 230648#(<= ULTIMATE.start_main_~i~4 106), 230655#(<= ULTIMATE.start_main_~i~4 120), 230654#(<= ULTIMATE.start_main_~i~4 118), 230653#(<= ULTIMATE.start_main_~i~4 116), 230652#(<= ULTIMATE.start_main_~i~4 114), 230659#(<= ULTIMATE.start_main_~i~4 128), 230658#(<= ULTIMATE.start_main_~i~4 126), 230657#(<= ULTIMATE.start_main_~i~4 124), 230656#(<= ULTIMATE.start_main_~i~4 122), 230663#(<= ULTIMATE.start_main_~i~4 136), 230662#(<= ULTIMATE.start_main_~i~4 134), 230661#(<= ULTIMATE.start_main_~i~4 132), 230660#(<= ULTIMATE.start_main_~i~4 130), 230667#(<= ULTIMATE.start_main_~i~4 144), 230666#(<= ULTIMATE.start_main_~i~4 142), 230665#(<= ULTIMATE.start_main_~i~4 140), 230664#(<= ULTIMATE.start_main_~i~4 138), 230671#(<= ULTIMATE.start_main_~i~4 152), 230670#(<= ULTIMATE.start_main_~i~4 150), 230669#(<= ULTIMATE.start_main_~i~4 148), 230668#(<= ULTIMATE.start_main_~i~4 146), 230675#(<= ULTIMATE.start_main_~i~4 160), 230674#(<= ULTIMATE.start_main_~i~4 158), 230673#(<= ULTIMATE.start_main_~i~4 156), 230672#(<= ULTIMATE.start_main_~i~4 154), 230679#(<= ULTIMATE.start_main_~i~4 168), 230678#(<= ULTIMATE.start_main_~i~4 166), 230677#(<= ULTIMATE.start_main_~i~4 164), 230676#(<= ULTIMATE.start_main_~i~4 162), 230683#(<= ULTIMATE.start_main_~i~4 176), 230682#(<= ULTIMATE.start_main_~i~4 174), 230681#(<= ULTIMATE.start_main_~i~4 172), 230680#(<= ULTIMATE.start_main_~i~4 170), 230687#(<= ULTIMATE.start_main_~i~4 184), 230686#(<= ULTIMATE.start_main_~i~4 182), 230685#(<= ULTIMATE.start_main_~i~4 180), 230684#(<= ULTIMATE.start_main_~i~4 178), 230691#(<= ULTIMATE.start_main_~i~4 192), 230690#(<= ULTIMATE.start_main_~i~4 190), 230689#(<= ULTIMATE.start_main_~i~4 188), 230688#(<= ULTIMATE.start_main_~i~4 186), 230695#(<= ULTIMATE.start_main_~i~4 200), 230694#(<= ULTIMATE.start_main_~i~4 198), 230693#(<= ULTIMATE.start_main_~i~4 196), 230692#(<= ULTIMATE.start_main_~i~4 194), 230699#(<= ULTIMATE.start_main_~i~4 208), 230698#(<= ULTIMATE.start_main_~i~4 206), 230697#(<= ULTIMATE.start_main_~i~4 204), 230696#(<= ULTIMATE.start_main_~i~4 202), 230703#(<= ULTIMATE.start_main_~i~4 216), 230702#(<= ULTIMATE.start_main_~i~4 214), 230701#(<= ULTIMATE.start_main_~i~4 212), 230700#(<= ULTIMATE.start_main_~i~4 210), 230707#(<= ULTIMATE.start_main_~i~4 224), 230706#(<= ULTIMATE.start_main_~i~4 222), 230705#(<= ULTIMATE.start_main_~i~4 220), 230704#(<= ULTIMATE.start_main_~i~4 218), 230711#(<= ULTIMATE.start_main_~i~4 232), 230710#(<= ULTIMATE.start_main_~i~4 230), 230709#(<= ULTIMATE.start_main_~i~4 228), 230708#(<= ULTIMATE.start_main_~i~4 226), 230715#(<= ULTIMATE.start_main_~i~4 240), 230714#(<= ULTIMATE.start_main_~i~4 238), 230713#(<= ULTIMATE.start_main_~i~4 236), 230712#(<= ULTIMATE.start_main_~i~4 234), 230719#(<= ULTIMATE.start_main_~i~4 248), 230718#(<= ULTIMATE.start_main_~i~4 246), 230717#(<= ULTIMATE.start_main_~i~4 244), 230716#(<= ULTIMATE.start_main_~i~4 242), 230723#(<= ULTIMATE.start_main_~i~4 256), 230722#(<= ULTIMATE.start_main_~i~4 254), 230721#(<= ULTIMATE.start_main_~i~4 252), 230720#(<= ULTIMATE.start_main_~i~4 250), 230727#(<= ULTIMATE.start_main_~i~4 264), 230726#(<= ULTIMATE.start_main_~i~4 262), 230725#(<= ULTIMATE.start_main_~i~4 260), 230724#(<= ULTIMATE.start_main_~i~4 258), 230731#(<= ULTIMATE.start_main_~i~4 272), 230730#(<= ULTIMATE.start_main_~i~4 270), 230729#(<= ULTIMATE.start_main_~i~4 268), 230728#(<= ULTIMATE.start_main_~i~4 266), 230735#(<= ULTIMATE.start_main_~i~4 280), 230734#(<= ULTIMATE.start_main_~i~4 278), 230733#(<= ULTIMATE.start_main_~i~4 276), 230732#(<= ULTIMATE.start_main_~i~4 274), 230739#(<= ULTIMATE.start_main_~i~4 288), 230738#(<= ULTIMATE.start_main_~i~4 286), 230737#(<= ULTIMATE.start_main_~i~4 284), 230736#(<= ULTIMATE.start_main_~i~4 282), 230743#(<= ULTIMATE.start_main_~i~4 296), 230742#(<= ULTIMATE.start_main_~i~4 294), 230741#(<= ULTIMATE.start_main_~i~4 292), 230740#(<= ULTIMATE.start_main_~i~4 290), 230747#(<= ULTIMATE.start_main_~i~4 304), 230746#(<= ULTIMATE.start_main_~i~4 302), 230745#(<= ULTIMATE.start_main_~i~4 300), 230744#(<= ULTIMATE.start_main_~i~4 298), 230751#(<= ULTIMATE.start_main_~i~4 312), 230750#(<= ULTIMATE.start_main_~i~4 310), 230749#(<= ULTIMATE.start_main_~i~4 308), 230748#(<= ULTIMATE.start_main_~i~4 306), 230755#(<= ULTIMATE.start_main_~i~4 320), 230754#(<= ULTIMATE.start_main_~i~4 318), 230753#(<= ULTIMATE.start_main_~i~4 316), 230752#(<= ULTIMATE.start_main_~i~4 314), 230759#(<= ULTIMATE.start_main_~i~4 328), 230758#(<= ULTIMATE.start_main_~i~4 326), 230757#(<= ULTIMATE.start_main_~i~4 324), 230756#(<= ULTIMATE.start_main_~i~4 322), 230763#(<= ULTIMATE.start_main_~i~4 336), 230762#(<= ULTIMATE.start_main_~i~4 334), 230761#(<= ULTIMATE.start_main_~i~4 332), 230760#(<= ULTIMATE.start_main_~i~4 330), 230767#(<= ULTIMATE.start_main_~i~4 344), 230766#(<= ULTIMATE.start_main_~i~4 342), 230765#(<= ULTIMATE.start_main_~i~4 340), 230764#(<= ULTIMATE.start_main_~i~4 338), 230771#(<= ULTIMATE.start_main_~i~4 352), 230770#(<= ULTIMATE.start_main_~i~4 350), 230769#(<= ULTIMATE.start_main_~i~4 348), 230768#(<= ULTIMATE.start_main_~i~4 346), 230775#(<= ULTIMATE.start_main_~i~4 360), 230774#(<= ULTIMATE.start_main_~i~4 358), 230773#(<= ULTIMATE.start_main_~i~4 356), 230772#(<= ULTIMATE.start_main_~i~4 354), 230779#(<= ULTIMATE.start_main_~i~4 368), 230778#(<= ULTIMATE.start_main_~i~4 366), 230777#(<= ULTIMATE.start_main_~i~4 364), 230776#(<= ULTIMATE.start_main_~i~4 362), 230783#(<= ULTIMATE.start_main_~i~4 376), 230782#(<= ULTIMATE.start_main_~i~4 374), 230781#(<= ULTIMATE.start_main_~i~4 372), 230780#(<= ULTIMATE.start_main_~i~4 370), 230787#(<= ULTIMATE.start_main_~i~4 384), 230786#(<= ULTIMATE.start_main_~i~4 382), 230785#(<= ULTIMATE.start_main_~i~4 380), 230784#(<= ULTIMATE.start_main_~i~4 378), 230791#(<= ULTIMATE.start_main_~i~4 392), 230790#(<= ULTIMATE.start_main_~i~4 390), 230789#(<= ULTIMATE.start_main_~i~4 388), 230788#(<= ULTIMATE.start_main_~i~4 386), 230795#(<= ULTIMATE.start_main_~i~4 400), 230794#(<= ULTIMATE.start_main_~i~4 398), 230793#(<= ULTIMATE.start_main_~i~4 396), 230792#(<= ULTIMATE.start_main_~i~4 394), 230799#(<= ULTIMATE.start_main_~i~4 408), 230798#(<= ULTIMATE.start_main_~i~4 406), 230797#(<= ULTIMATE.start_main_~i~4 404), 230796#(<= ULTIMATE.start_main_~i~4 402), 230803#(<= ULTIMATE.start_main_~i~4 416), 230802#(<= ULTIMATE.start_main_~i~4 414), 230801#(<= ULTIMATE.start_main_~i~4 412), 230800#(<= ULTIMATE.start_main_~i~4 410), 230807#(<= ULTIMATE.start_main_~i~4 424), 230806#(<= ULTIMATE.start_main_~i~4 422), 230805#(<= ULTIMATE.start_main_~i~4 420), 230804#(<= ULTIMATE.start_main_~i~4 418), 230811#(<= ULTIMATE.start_main_~i~4 432), 230810#(<= ULTIMATE.start_main_~i~4 430), 230809#(<= ULTIMATE.start_main_~i~4 428), 230808#(<= ULTIMATE.start_main_~i~4 426), 230815#(<= ULTIMATE.start_main_~i~4 440), 230814#(<= ULTIMATE.start_main_~i~4 438), 230813#(<= ULTIMATE.start_main_~i~4 436), 230812#(<= ULTIMATE.start_main_~i~4 434), 230818#(<= ULTIMATE.start_main_~i~4 446), 230817#(<= ULTIMATE.start_main_~i~4 444), 230816#(<= ULTIMATE.start_main_~i~4 442)] [2018-07-23 13:48:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 49952 backedges. 0 proven. 49952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:37,568 INFO L450 AbstractCegarLoop]: Interpolant automaton has 226 states [2018-07-23 13:48:37,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2018-07-23 13:48:37,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:48:37,571 INFO L87 Difference]: Start difference. First operand 451 states and 451 transitions. Second operand 226 states. [2018-07-23 13:48:39,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:39,578 INFO L93 Difference]: Finished difference Result 455 states and 455 transitions. [2018-07-23 13:48:39,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2018-07-23 13:48:39,578 INFO L78 Accepts]: Start accepts. Automaton has 226 states. Word has length 450 [2018-07-23 13:48:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:39,579 INFO L225 Difference]: With dead ends: 455 [2018-07-23 13:48:39,579 INFO L226 Difference]: Without dead ends: 453 [2018-07-23 13:48:39,581 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:48:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-07-23 13:48:39,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2018-07-23 13:48:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-07-23 13:48:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 453 transitions. [2018-07-23 13:48:39,586 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 453 transitions. Word has length 450 [2018-07-23 13:48:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:39,587 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 453 transitions. [2018-07-23 13:48:39,587 INFO L472 AbstractCegarLoop]: Interpolant automaton has 226 states. [2018-07-23 13:48:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 453 transitions. [2018-07-23 13:48:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-07-23 13:48:39,588 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:39,588 INFO L357 BasicCegarLoop]: trace histogram [225, 224, 1, 1, 1] [2018-07-23 13:48:39,588 INFO L414 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:39,589 INFO L82 PathProgramCache]: Analyzing trace with hash 784792199, now seen corresponding path program 224 times [2018-07-23 13:48:39,589 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 50400 backedges. 0 proven. 50400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,082 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:41,082 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [226] total 226 [2018-07-23 13:48:41,082 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,083 INFO L185 omatonBuilderFactory]: Interpolants [232635#true, 232639#(<= ULTIMATE.start_main_~i~4 4), 232638#(<= ULTIMATE.start_main_~i~4 2), 232637#(<= ULTIMATE.start_main_~i~4 0), 232636#false, 232643#(<= ULTIMATE.start_main_~i~4 12), 232642#(<= ULTIMATE.start_main_~i~4 10), 232641#(<= ULTIMATE.start_main_~i~4 8), 232640#(<= ULTIMATE.start_main_~i~4 6), 232647#(<= ULTIMATE.start_main_~i~4 20), 232646#(<= ULTIMATE.start_main_~i~4 18), 232645#(<= ULTIMATE.start_main_~i~4 16), 232644#(<= ULTIMATE.start_main_~i~4 14), 232651#(<= ULTIMATE.start_main_~i~4 28), 232650#(<= ULTIMATE.start_main_~i~4 26), 232649#(<= ULTIMATE.start_main_~i~4 24), 232648#(<= ULTIMATE.start_main_~i~4 22), 232655#(<= ULTIMATE.start_main_~i~4 36), 232654#(<= ULTIMATE.start_main_~i~4 34), 232653#(<= ULTIMATE.start_main_~i~4 32), 232652#(<= ULTIMATE.start_main_~i~4 30), 232659#(<= ULTIMATE.start_main_~i~4 44), 232658#(<= ULTIMATE.start_main_~i~4 42), 232657#(<= ULTIMATE.start_main_~i~4 40), 232656#(<= ULTIMATE.start_main_~i~4 38), 232663#(<= ULTIMATE.start_main_~i~4 52), 232662#(<= ULTIMATE.start_main_~i~4 50), 232661#(<= ULTIMATE.start_main_~i~4 48), 232660#(<= ULTIMATE.start_main_~i~4 46), 232667#(<= ULTIMATE.start_main_~i~4 60), 232666#(<= ULTIMATE.start_main_~i~4 58), 232665#(<= ULTIMATE.start_main_~i~4 56), 232664#(<= ULTIMATE.start_main_~i~4 54), 232671#(<= ULTIMATE.start_main_~i~4 68), 232670#(<= ULTIMATE.start_main_~i~4 66), 232669#(<= ULTIMATE.start_main_~i~4 64), 232668#(<= ULTIMATE.start_main_~i~4 62), 232675#(<= ULTIMATE.start_main_~i~4 76), 232674#(<= ULTIMATE.start_main_~i~4 74), 232673#(<= ULTIMATE.start_main_~i~4 72), 232672#(<= ULTIMATE.start_main_~i~4 70), 232679#(<= ULTIMATE.start_main_~i~4 84), 232678#(<= ULTIMATE.start_main_~i~4 82), 232677#(<= ULTIMATE.start_main_~i~4 80), 232676#(<= ULTIMATE.start_main_~i~4 78), 232683#(<= ULTIMATE.start_main_~i~4 92), 232682#(<= ULTIMATE.start_main_~i~4 90), 232681#(<= ULTIMATE.start_main_~i~4 88), 232680#(<= ULTIMATE.start_main_~i~4 86), 232687#(<= ULTIMATE.start_main_~i~4 100), 232686#(<= ULTIMATE.start_main_~i~4 98), 232685#(<= ULTIMATE.start_main_~i~4 96), 232684#(<= ULTIMATE.start_main_~i~4 94), 232691#(<= ULTIMATE.start_main_~i~4 108), 232690#(<= ULTIMATE.start_main_~i~4 106), 232689#(<= ULTIMATE.start_main_~i~4 104), 232688#(<= ULTIMATE.start_main_~i~4 102), 232695#(<= ULTIMATE.start_main_~i~4 116), 232694#(<= ULTIMATE.start_main_~i~4 114), 232693#(<= ULTIMATE.start_main_~i~4 112), 232692#(<= ULTIMATE.start_main_~i~4 110), 232699#(<= ULTIMATE.start_main_~i~4 124), 232698#(<= ULTIMATE.start_main_~i~4 122), 232697#(<= ULTIMATE.start_main_~i~4 120), 232696#(<= ULTIMATE.start_main_~i~4 118), 232703#(<= ULTIMATE.start_main_~i~4 132), 232702#(<= ULTIMATE.start_main_~i~4 130), 232701#(<= ULTIMATE.start_main_~i~4 128), 232700#(<= ULTIMATE.start_main_~i~4 126), 232707#(<= ULTIMATE.start_main_~i~4 140), 232706#(<= ULTIMATE.start_main_~i~4 138), 232705#(<= ULTIMATE.start_main_~i~4 136), 232704#(<= ULTIMATE.start_main_~i~4 134), 232711#(<= ULTIMATE.start_main_~i~4 148), 232710#(<= ULTIMATE.start_main_~i~4 146), 232709#(<= ULTIMATE.start_main_~i~4 144), 232708#(<= ULTIMATE.start_main_~i~4 142), 232715#(<= ULTIMATE.start_main_~i~4 156), 232714#(<= ULTIMATE.start_main_~i~4 154), 232713#(<= ULTIMATE.start_main_~i~4 152), 232712#(<= ULTIMATE.start_main_~i~4 150), 232719#(<= ULTIMATE.start_main_~i~4 164), 232718#(<= ULTIMATE.start_main_~i~4 162), 232717#(<= ULTIMATE.start_main_~i~4 160), 232716#(<= ULTIMATE.start_main_~i~4 158), 232723#(<= ULTIMATE.start_main_~i~4 172), 232722#(<= ULTIMATE.start_main_~i~4 170), 232721#(<= ULTIMATE.start_main_~i~4 168), 232720#(<= ULTIMATE.start_main_~i~4 166), 232727#(<= ULTIMATE.start_main_~i~4 180), 232726#(<= ULTIMATE.start_main_~i~4 178), 232725#(<= ULTIMATE.start_main_~i~4 176), 232724#(<= ULTIMATE.start_main_~i~4 174), 232731#(<= ULTIMATE.start_main_~i~4 188), 232730#(<= ULTIMATE.start_main_~i~4 186), 232729#(<= ULTIMATE.start_main_~i~4 184), 232728#(<= ULTIMATE.start_main_~i~4 182), 232735#(<= ULTIMATE.start_main_~i~4 196), 232734#(<= ULTIMATE.start_main_~i~4 194), 232733#(<= ULTIMATE.start_main_~i~4 192), 232732#(<= ULTIMATE.start_main_~i~4 190), 232739#(<= ULTIMATE.start_main_~i~4 204), 232738#(<= ULTIMATE.start_main_~i~4 202), 232737#(<= ULTIMATE.start_main_~i~4 200), 232736#(<= ULTIMATE.start_main_~i~4 198), 232743#(<= ULTIMATE.start_main_~i~4 212), 232742#(<= ULTIMATE.start_main_~i~4 210), 232741#(<= ULTIMATE.start_main_~i~4 208), 232740#(<= ULTIMATE.start_main_~i~4 206), 232747#(<= ULTIMATE.start_main_~i~4 220), 232746#(<= ULTIMATE.start_main_~i~4 218), 232745#(<= ULTIMATE.start_main_~i~4 216), 232744#(<= ULTIMATE.start_main_~i~4 214), 232751#(<= ULTIMATE.start_main_~i~4 228), 232750#(<= ULTIMATE.start_main_~i~4 226), 232749#(<= ULTIMATE.start_main_~i~4 224), 232748#(<= ULTIMATE.start_main_~i~4 222), 232755#(<= ULTIMATE.start_main_~i~4 236), 232754#(<= ULTIMATE.start_main_~i~4 234), 232753#(<= ULTIMATE.start_main_~i~4 232), 232752#(<= ULTIMATE.start_main_~i~4 230), 232759#(<= ULTIMATE.start_main_~i~4 244), 232758#(<= ULTIMATE.start_main_~i~4 242), 232757#(<= ULTIMATE.start_main_~i~4 240), 232756#(<= ULTIMATE.start_main_~i~4 238), 232763#(<= ULTIMATE.start_main_~i~4 252), 232762#(<= ULTIMATE.start_main_~i~4 250), 232761#(<= ULTIMATE.start_main_~i~4 248), 232760#(<= ULTIMATE.start_main_~i~4 246), 232767#(<= ULTIMATE.start_main_~i~4 260), 232766#(<= ULTIMATE.start_main_~i~4 258), 232765#(<= ULTIMATE.start_main_~i~4 256), 232764#(<= ULTIMATE.start_main_~i~4 254), 232771#(<= ULTIMATE.start_main_~i~4 268), 232770#(<= ULTIMATE.start_main_~i~4 266), 232769#(<= ULTIMATE.start_main_~i~4 264), 232768#(<= ULTIMATE.start_main_~i~4 262), 232775#(<= ULTIMATE.start_main_~i~4 276), 232774#(<= ULTIMATE.start_main_~i~4 274), 232773#(<= ULTIMATE.start_main_~i~4 272), 232772#(<= ULTIMATE.start_main_~i~4 270), 232779#(<= ULTIMATE.start_main_~i~4 284), 232778#(<= ULTIMATE.start_main_~i~4 282), 232777#(<= ULTIMATE.start_main_~i~4 280), 232776#(<= ULTIMATE.start_main_~i~4 278), 232783#(<= ULTIMATE.start_main_~i~4 292), 232782#(<= ULTIMATE.start_main_~i~4 290), 232781#(<= ULTIMATE.start_main_~i~4 288), 232780#(<= ULTIMATE.start_main_~i~4 286), 232787#(<= ULTIMATE.start_main_~i~4 300), 232786#(<= ULTIMATE.start_main_~i~4 298), 232785#(<= ULTIMATE.start_main_~i~4 296), 232784#(<= ULTIMATE.start_main_~i~4 294), 232791#(<= ULTIMATE.start_main_~i~4 308), 232790#(<= ULTIMATE.start_main_~i~4 306), 232789#(<= ULTIMATE.start_main_~i~4 304), 232788#(<= ULTIMATE.start_main_~i~4 302), 232795#(<= ULTIMATE.start_main_~i~4 316), 232794#(<= ULTIMATE.start_main_~i~4 314), 232793#(<= ULTIMATE.start_main_~i~4 312), 232792#(<= ULTIMATE.start_main_~i~4 310), 232799#(<= ULTIMATE.start_main_~i~4 324), 232798#(<= ULTIMATE.start_main_~i~4 322), 232797#(<= ULTIMATE.start_main_~i~4 320), 232796#(<= ULTIMATE.start_main_~i~4 318), 232803#(<= ULTIMATE.start_main_~i~4 332), 232802#(<= ULTIMATE.start_main_~i~4 330), 232801#(<= ULTIMATE.start_main_~i~4 328), 232800#(<= ULTIMATE.start_main_~i~4 326), 232807#(<= ULTIMATE.start_main_~i~4 340), 232806#(<= ULTIMATE.start_main_~i~4 338), 232805#(<= ULTIMATE.start_main_~i~4 336), 232804#(<= ULTIMATE.start_main_~i~4 334), 232811#(<= ULTIMATE.start_main_~i~4 348), 232810#(<= ULTIMATE.start_main_~i~4 346), 232809#(<= ULTIMATE.start_main_~i~4 344), 232808#(<= ULTIMATE.start_main_~i~4 342), 232815#(<= ULTIMATE.start_main_~i~4 356), 232814#(<= ULTIMATE.start_main_~i~4 354), 232813#(<= ULTIMATE.start_main_~i~4 352), 232812#(<= ULTIMATE.start_main_~i~4 350), 232819#(<= ULTIMATE.start_main_~i~4 364), 232818#(<= ULTIMATE.start_main_~i~4 362), 232817#(<= ULTIMATE.start_main_~i~4 360), 232816#(<= ULTIMATE.start_main_~i~4 358), 232823#(<= ULTIMATE.start_main_~i~4 372), 232822#(<= ULTIMATE.start_main_~i~4 370), 232821#(<= ULTIMATE.start_main_~i~4 368), 232820#(<= ULTIMATE.start_main_~i~4 366), 232827#(<= ULTIMATE.start_main_~i~4 380), 232826#(<= ULTIMATE.start_main_~i~4 378), 232825#(<= ULTIMATE.start_main_~i~4 376), 232824#(<= ULTIMATE.start_main_~i~4 374), 232831#(<= ULTIMATE.start_main_~i~4 388), 232830#(<= ULTIMATE.start_main_~i~4 386), 232829#(<= ULTIMATE.start_main_~i~4 384), 232828#(<= ULTIMATE.start_main_~i~4 382), 232835#(<= ULTIMATE.start_main_~i~4 396), 232834#(<= ULTIMATE.start_main_~i~4 394), 232833#(<= ULTIMATE.start_main_~i~4 392), 232832#(<= ULTIMATE.start_main_~i~4 390), 232839#(<= ULTIMATE.start_main_~i~4 404), 232838#(<= ULTIMATE.start_main_~i~4 402), 232837#(<= ULTIMATE.start_main_~i~4 400), 232836#(<= ULTIMATE.start_main_~i~4 398), 232843#(<= ULTIMATE.start_main_~i~4 412), 232842#(<= ULTIMATE.start_main_~i~4 410), 232841#(<= ULTIMATE.start_main_~i~4 408), 232840#(<= ULTIMATE.start_main_~i~4 406), 232847#(<= ULTIMATE.start_main_~i~4 420), 232846#(<= ULTIMATE.start_main_~i~4 418), 232845#(<= ULTIMATE.start_main_~i~4 416), 232844#(<= ULTIMATE.start_main_~i~4 414), 232851#(<= ULTIMATE.start_main_~i~4 428), 232850#(<= ULTIMATE.start_main_~i~4 426), 232849#(<= ULTIMATE.start_main_~i~4 424), 232848#(<= ULTIMATE.start_main_~i~4 422), 232855#(<= ULTIMATE.start_main_~i~4 436), 232854#(<= ULTIMATE.start_main_~i~4 434), 232853#(<= ULTIMATE.start_main_~i~4 432), 232852#(<= ULTIMATE.start_main_~i~4 430), 232859#(<= ULTIMATE.start_main_~i~4 444), 232858#(<= ULTIMATE.start_main_~i~4 442), 232857#(<= ULTIMATE.start_main_~i~4 440), 232856#(<= ULTIMATE.start_main_~i~4 438), 232861#(<= ULTIMATE.start_main_~i~4 448), 232860#(<= ULTIMATE.start_main_~i~4 446)] [2018-07-23 13:48:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 50400 backedges. 0 proven. 50400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,085 INFO L450 AbstractCegarLoop]: Interpolant automaton has 227 states [2018-07-23 13:48:41,089 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2018-07-23 13:48:41,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:48:41,091 INFO L87 Difference]: Start difference. First operand 453 states and 453 transitions. Second operand 227 states. [2018-07-23 13:48:43,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:43,252 INFO L93 Difference]: Finished difference Result 457 states and 457 transitions. [2018-07-23 13:48:43,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2018-07-23 13:48:43,253 INFO L78 Accepts]: Start accepts. Automaton has 227 states. Word has length 452 [2018-07-23 13:48:43,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:43,253 INFO L225 Difference]: With dead ends: 457 [2018-07-23 13:48:43,253 INFO L226 Difference]: Without dead ends: 455 [2018-07-23 13:48:43,256 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:48:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-07-23 13:48:43,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2018-07-23 13:48:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-07-23 13:48:43,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 455 transitions. [2018-07-23 13:48:43,260 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 455 transitions. Word has length 452 [2018-07-23 13:48:43,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:43,261 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 455 transitions. [2018-07-23 13:48:43,261 INFO L472 AbstractCegarLoop]: Interpolant automaton has 227 states. [2018-07-23 13:48:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 455 transitions. [2018-07-23 13:48:43,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-07-23 13:48:43,263 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:43,263 INFO L357 BasicCegarLoop]: trace histogram [226, 225, 1, 1, 1] [2018-07-23 13:48:43,263 INFO L414 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:43,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1728888767, now seen corresponding path program 225 times [2018-07-23 13:48:43,263 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50850 backedges. 0 proven. 50850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,893 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:44,893 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [227] total 227 [2018-07-23 13:48:44,893 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,894 INFO L185 omatonBuilderFactory]: Interpolants [234687#false, 234686#true, 234691#(<= ULTIMATE.start_main_~i~4 6), 234690#(<= ULTIMATE.start_main_~i~4 4), 234689#(<= ULTIMATE.start_main_~i~4 2), 234688#(<= ULTIMATE.start_main_~i~4 0), 234695#(<= ULTIMATE.start_main_~i~4 14), 234694#(<= ULTIMATE.start_main_~i~4 12), 234693#(<= ULTIMATE.start_main_~i~4 10), 234692#(<= ULTIMATE.start_main_~i~4 8), 234699#(<= ULTIMATE.start_main_~i~4 22), 234698#(<= ULTIMATE.start_main_~i~4 20), 234697#(<= ULTIMATE.start_main_~i~4 18), 234696#(<= ULTIMATE.start_main_~i~4 16), 234703#(<= ULTIMATE.start_main_~i~4 30), 234702#(<= ULTIMATE.start_main_~i~4 28), 234701#(<= ULTIMATE.start_main_~i~4 26), 234700#(<= ULTIMATE.start_main_~i~4 24), 234707#(<= ULTIMATE.start_main_~i~4 38), 234706#(<= ULTIMATE.start_main_~i~4 36), 234705#(<= ULTIMATE.start_main_~i~4 34), 234704#(<= ULTIMATE.start_main_~i~4 32), 234711#(<= ULTIMATE.start_main_~i~4 46), 234710#(<= ULTIMATE.start_main_~i~4 44), 234709#(<= ULTIMATE.start_main_~i~4 42), 234708#(<= ULTIMATE.start_main_~i~4 40), 234715#(<= ULTIMATE.start_main_~i~4 54), 234714#(<= ULTIMATE.start_main_~i~4 52), 234713#(<= ULTIMATE.start_main_~i~4 50), 234712#(<= ULTIMATE.start_main_~i~4 48), 234719#(<= ULTIMATE.start_main_~i~4 62), 234718#(<= ULTIMATE.start_main_~i~4 60), 234717#(<= ULTIMATE.start_main_~i~4 58), 234716#(<= ULTIMATE.start_main_~i~4 56), 234723#(<= ULTIMATE.start_main_~i~4 70), 234722#(<= ULTIMATE.start_main_~i~4 68), 234721#(<= ULTIMATE.start_main_~i~4 66), 234720#(<= ULTIMATE.start_main_~i~4 64), 234727#(<= ULTIMATE.start_main_~i~4 78), 234726#(<= ULTIMATE.start_main_~i~4 76), 234725#(<= ULTIMATE.start_main_~i~4 74), 234724#(<= ULTIMATE.start_main_~i~4 72), 234731#(<= ULTIMATE.start_main_~i~4 86), 234730#(<= ULTIMATE.start_main_~i~4 84), 234729#(<= ULTIMATE.start_main_~i~4 82), 234728#(<= ULTIMATE.start_main_~i~4 80), 234735#(<= ULTIMATE.start_main_~i~4 94), 234734#(<= ULTIMATE.start_main_~i~4 92), 234733#(<= ULTIMATE.start_main_~i~4 90), 234732#(<= ULTIMATE.start_main_~i~4 88), 234739#(<= ULTIMATE.start_main_~i~4 102), 234738#(<= ULTIMATE.start_main_~i~4 100), 234737#(<= ULTIMATE.start_main_~i~4 98), 234736#(<= ULTIMATE.start_main_~i~4 96), 234743#(<= ULTIMATE.start_main_~i~4 110), 234742#(<= ULTIMATE.start_main_~i~4 108), 234741#(<= ULTIMATE.start_main_~i~4 106), 234740#(<= ULTIMATE.start_main_~i~4 104), 234747#(<= ULTIMATE.start_main_~i~4 118), 234746#(<= ULTIMATE.start_main_~i~4 116), 234745#(<= ULTIMATE.start_main_~i~4 114), 234744#(<= ULTIMATE.start_main_~i~4 112), 234751#(<= ULTIMATE.start_main_~i~4 126), 234750#(<= ULTIMATE.start_main_~i~4 124), 234749#(<= ULTIMATE.start_main_~i~4 122), 234748#(<= ULTIMATE.start_main_~i~4 120), 234755#(<= ULTIMATE.start_main_~i~4 134), 234754#(<= ULTIMATE.start_main_~i~4 132), 234753#(<= ULTIMATE.start_main_~i~4 130), 234752#(<= ULTIMATE.start_main_~i~4 128), 234759#(<= ULTIMATE.start_main_~i~4 142), 234758#(<= ULTIMATE.start_main_~i~4 140), 234757#(<= ULTIMATE.start_main_~i~4 138), 234756#(<= ULTIMATE.start_main_~i~4 136), 234763#(<= ULTIMATE.start_main_~i~4 150), 234762#(<= ULTIMATE.start_main_~i~4 148), 234761#(<= ULTIMATE.start_main_~i~4 146), 234760#(<= ULTIMATE.start_main_~i~4 144), 234767#(<= ULTIMATE.start_main_~i~4 158), 234766#(<= ULTIMATE.start_main_~i~4 156), 234765#(<= ULTIMATE.start_main_~i~4 154), 234764#(<= ULTIMATE.start_main_~i~4 152), 234771#(<= ULTIMATE.start_main_~i~4 166), 234770#(<= ULTIMATE.start_main_~i~4 164), 234769#(<= ULTIMATE.start_main_~i~4 162), 234768#(<= ULTIMATE.start_main_~i~4 160), 234775#(<= ULTIMATE.start_main_~i~4 174), 234774#(<= ULTIMATE.start_main_~i~4 172), 234773#(<= ULTIMATE.start_main_~i~4 170), 234772#(<= ULTIMATE.start_main_~i~4 168), 234779#(<= ULTIMATE.start_main_~i~4 182), 234778#(<= ULTIMATE.start_main_~i~4 180), 234777#(<= ULTIMATE.start_main_~i~4 178), 234776#(<= ULTIMATE.start_main_~i~4 176), 234783#(<= ULTIMATE.start_main_~i~4 190), 234782#(<= ULTIMATE.start_main_~i~4 188), 234781#(<= ULTIMATE.start_main_~i~4 186), 234780#(<= ULTIMATE.start_main_~i~4 184), 234787#(<= ULTIMATE.start_main_~i~4 198), 234786#(<= ULTIMATE.start_main_~i~4 196), 234785#(<= ULTIMATE.start_main_~i~4 194), 234784#(<= ULTIMATE.start_main_~i~4 192), 234791#(<= ULTIMATE.start_main_~i~4 206), 234790#(<= ULTIMATE.start_main_~i~4 204), 234789#(<= ULTIMATE.start_main_~i~4 202), 234788#(<= ULTIMATE.start_main_~i~4 200), 234795#(<= ULTIMATE.start_main_~i~4 214), 234794#(<= ULTIMATE.start_main_~i~4 212), 234793#(<= ULTIMATE.start_main_~i~4 210), 234792#(<= ULTIMATE.start_main_~i~4 208), 234799#(<= ULTIMATE.start_main_~i~4 222), 234798#(<= ULTIMATE.start_main_~i~4 220), 234797#(<= ULTIMATE.start_main_~i~4 218), 234796#(<= ULTIMATE.start_main_~i~4 216), 234803#(<= ULTIMATE.start_main_~i~4 230), 234802#(<= ULTIMATE.start_main_~i~4 228), 234801#(<= ULTIMATE.start_main_~i~4 226), 234800#(<= ULTIMATE.start_main_~i~4 224), 234807#(<= ULTIMATE.start_main_~i~4 238), 234806#(<= ULTIMATE.start_main_~i~4 236), 234805#(<= ULTIMATE.start_main_~i~4 234), 234804#(<= ULTIMATE.start_main_~i~4 232), 234811#(<= ULTIMATE.start_main_~i~4 246), 234810#(<= ULTIMATE.start_main_~i~4 244), 234809#(<= ULTIMATE.start_main_~i~4 242), 234808#(<= ULTIMATE.start_main_~i~4 240), 234815#(<= ULTIMATE.start_main_~i~4 254), 234814#(<= ULTIMATE.start_main_~i~4 252), 234813#(<= ULTIMATE.start_main_~i~4 250), 234812#(<= ULTIMATE.start_main_~i~4 248), 234819#(<= ULTIMATE.start_main_~i~4 262), 234818#(<= ULTIMATE.start_main_~i~4 260), 234817#(<= ULTIMATE.start_main_~i~4 258), 234816#(<= ULTIMATE.start_main_~i~4 256), 234823#(<= ULTIMATE.start_main_~i~4 270), 234822#(<= ULTIMATE.start_main_~i~4 268), 234821#(<= ULTIMATE.start_main_~i~4 266), 234820#(<= ULTIMATE.start_main_~i~4 264), 234827#(<= ULTIMATE.start_main_~i~4 278), 234826#(<= ULTIMATE.start_main_~i~4 276), 234825#(<= ULTIMATE.start_main_~i~4 274), 234824#(<= ULTIMATE.start_main_~i~4 272), 234831#(<= ULTIMATE.start_main_~i~4 286), 234830#(<= ULTIMATE.start_main_~i~4 284), 234829#(<= ULTIMATE.start_main_~i~4 282), 234828#(<= ULTIMATE.start_main_~i~4 280), 234835#(<= ULTIMATE.start_main_~i~4 294), 234834#(<= ULTIMATE.start_main_~i~4 292), 234833#(<= ULTIMATE.start_main_~i~4 290), 234832#(<= ULTIMATE.start_main_~i~4 288), 234839#(<= ULTIMATE.start_main_~i~4 302), 234838#(<= ULTIMATE.start_main_~i~4 300), 234837#(<= ULTIMATE.start_main_~i~4 298), 234836#(<= ULTIMATE.start_main_~i~4 296), 234843#(<= ULTIMATE.start_main_~i~4 310), 234842#(<= ULTIMATE.start_main_~i~4 308), 234841#(<= ULTIMATE.start_main_~i~4 306), 234840#(<= ULTIMATE.start_main_~i~4 304), 234847#(<= ULTIMATE.start_main_~i~4 318), 234846#(<= ULTIMATE.start_main_~i~4 316), 234845#(<= ULTIMATE.start_main_~i~4 314), 234844#(<= ULTIMATE.start_main_~i~4 312), 234851#(<= ULTIMATE.start_main_~i~4 326), 234850#(<= ULTIMATE.start_main_~i~4 324), 234849#(<= ULTIMATE.start_main_~i~4 322), 234848#(<= ULTIMATE.start_main_~i~4 320), 234855#(<= ULTIMATE.start_main_~i~4 334), 234854#(<= ULTIMATE.start_main_~i~4 332), 234853#(<= ULTIMATE.start_main_~i~4 330), 234852#(<= ULTIMATE.start_main_~i~4 328), 234859#(<= ULTIMATE.start_main_~i~4 342), 234858#(<= ULTIMATE.start_main_~i~4 340), 234857#(<= ULTIMATE.start_main_~i~4 338), 234856#(<= ULTIMATE.start_main_~i~4 336), 234863#(<= ULTIMATE.start_main_~i~4 350), 234862#(<= ULTIMATE.start_main_~i~4 348), 234861#(<= ULTIMATE.start_main_~i~4 346), 234860#(<= ULTIMATE.start_main_~i~4 344), 234867#(<= ULTIMATE.start_main_~i~4 358), 234866#(<= ULTIMATE.start_main_~i~4 356), 234865#(<= ULTIMATE.start_main_~i~4 354), 234864#(<= ULTIMATE.start_main_~i~4 352), 234871#(<= ULTIMATE.start_main_~i~4 366), 234870#(<= ULTIMATE.start_main_~i~4 364), 234869#(<= ULTIMATE.start_main_~i~4 362), 234868#(<= ULTIMATE.start_main_~i~4 360), 234875#(<= ULTIMATE.start_main_~i~4 374), 234874#(<= ULTIMATE.start_main_~i~4 372), 234873#(<= ULTIMATE.start_main_~i~4 370), 234872#(<= ULTIMATE.start_main_~i~4 368), 234879#(<= ULTIMATE.start_main_~i~4 382), 234878#(<= ULTIMATE.start_main_~i~4 380), 234877#(<= ULTIMATE.start_main_~i~4 378), 234876#(<= ULTIMATE.start_main_~i~4 376), 234883#(<= ULTIMATE.start_main_~i~4 390), 234882#(<= ULTIMATE.start_main_~i~4 388), 234881#(<= ULTIMATE.start_main_~i~4 386), 234880#(<= ULTIMATE.start_main_~i~4 384), 234887#(<= ULTIMATE.start_main_~i~4 398), 234886#(<= ULTIMATE.start_main_~i~4 396), 234885#(<= ULTIMATE.start_main_~i~4 394), 234884#(<= ULTIMATE.start_main_~i~4 392), 234891#(<= ULTIMATE.start_main_~i~4 406), 234890#(<= ULTIMATE.start_main_~i~4 404), 234889#(<= ULTIMATE.start_main_~i~4 402), 234888#(<= ULTIMATE.start_main_~i~4 400), 234895#(<= ULTIMATE.start_main_~i~4 414), 234894#(<= ULTIMATE.start_main_~i~4 412), 234893#(<= ULTIMATE.start_main_~i~4 410), 234892#(<= ULTIMATE.start_main_~i~4 408), 234899#(<= ULTIMATE.start_main_~i~4 422), 234898#(<= ULTIMATE.start_main_~i~4 420), 234897#(<= ULTIMATE.start_main_~i~4 418), 234896#(<= ULTIMATE.start_main_~i~4 416), 234903#(<= ULTIMATE.start_main_~i~4 430), 234902#(<= ULTIMATE.start_main_~i~4 428), 234901#(<= ULTIMATE.start_main_~i~4 426), 234900#(<= ULTIMATE.start_main_~i~4 424), 234907#(<= ULTIMATE.start_main_~i~4 438), 234906#(<= ULTIMATE.start_main_~i~4 436), 234905#(<= ULTIMATE.start_main_~i~4 434), 234904#(<= ULTIMATE.start_main_~i~4 432), 234911#(<= ULTIMATE.start_main_~i~4 446), 234910#(<= ULTIMATE.start_main_~i~4 444), 234909#(<= ULTIMATE.start_main_~i~4 442), 234908#(<= ULTIMATE.start_main_~i~4 440), 234913#(<= ULTIMATE.start_main_~i~4 450), 234912#(<= ULTIMATE.start_main_~i~4 448)] [2018-07-23 13:48:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 50850 backedges. 0 proven. 50850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,896 INFO L450 AbstractCegarLoop]: Interpolant automaton has 228 states [2018-07-23 13:48:44,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2018-07-23 13:48:44,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:48:44,901 INFO L87 Difference]: Start difference. First operand 455 states and 455 transitions. Second operand 228 states. [2018-07-23 13:48:47,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:47,088 INFO L93 Difference]: Finished difference Result 459 states and 459 transitions. [2018-07-23 13:48:47,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2018-07-23 13:48:47,088 INFO L78 Accepts]: Start accepts. Automaton has 228 states. Word has length 454 [2018-07-23 13:48:47,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:47,089 INFO L225 Difference]: With dead ends: 459 [2018-07-23 13:48:47,090 INFO L226 Difference]: Without dead ends: 457 [2018-07-23 13:48:47,092 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:48:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-07-23 13:48:47,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2018-07-23 13:48:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-07-23 13:48:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 457 transitions. [2018-07-23 13:48:47,098 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 457 transitions. Word has length 454 [2018-07-23 13:48:47,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:47,098 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 457 transitions. [2018-07-23 13:48:47,098 INFO L472 AbstractCegarLoop]: Interpolant automaton has 228 states. [2018-07-23 13:48:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 457 transitions. [2018-07-23 13:48:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2018-07-23 13:48:47,100 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:47,101 INFO L357 BasicCegarLoop]: trace histogram [227, 226, 1, 1, 1] [2018-07-23 13:48:47,101 INFO L414 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:47,101 INFO L82 PathProgramCache]: Analyzing trace with hash 690290555, now seen corresponding path program 226 times [2018-07-23 13:48:47,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 51302 backedges. 0 proven. 51302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:48,793 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:48,793 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [228] total 228 [2018-07-23 13:48:48,793 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:48,794 INFO L185 omatonBuilderFactory]: Interpolants [236747#false, 236746#true, 236751#(<= ULTIMATE.start_main_~i~4 6), 236750#(<= ULTIMATE.start_main_~i~4 4), 236749#(<= ULTIMATE.start_main_~i~4 2), 236748#(<= ULTIMATE.start_main_~i~4 0), 236755#(<= ULTIMATE.start_main_~i~4 14), 236754#(<= ULTIMATE.start_main_~i~4 12), 236753#(<= ULTIMATE.start_main_~i~4 10), 236752#(<= ULTIMATE.start_main_~i~4 8), 236759#(<= ULTIMATE.start_main_~i~4 22), 236758#(<= ULTIMATE.start_main_~i~4 20), 236757#(<= ULTIMATE.start_main_~i~4 18), 236756#(<= ULTIMATE.start_main_~i~4 16), 236763#(<= ULTIMATE.start_main_~i~4 30), 236762#(<= ULTIMATE.start_main_~i~4 28), 236761#(<= ULTIMATE.start_main_~i~4 26), 236760#(<= ULTIMATE.start_main_~i~4 24), 236767#(<= ULTIMATE.start_main_~i~4 38), 236766#(<= ULTIMATE.start_main_~i~4 36), 236765#(<= ULTIMATE.start_main_~i~4 34), 236764#(<= ULTIMATE.start_main_~i~4 32), 236771#(<= ULTIMATE.start_main_~i~4 46), 236770#(<= ULTIMATE.start_main_~i~4 44), 236769#(<= ULTIMATE.start_main_~i~4 42), 236768#(<= ULTIMATE.start_main_~i~4 40), 236775#(<= ULTIMATE.start_main_~i~4 54), 236774#(<= ULTIMATE.start_main_~i~4 52), 236773#(<= ULTIMATE.start_main_~i~4 50), 236772#(<= ULTIMATE.start_main_~i~4 48), 236779#(<= ULTIMATE.start_main_~i~4 62), 236778#(<= ULTIMATE.start_main_~i~4 60), 236777#(<= ULTIMATE.start_main_~i~4 58), 236776#(<= ULTIMATE.start_main_~i~4 56), 236783#(<= ULTIMATE.start_main_~i~4 70), 236782#(<= ULTIMATE.start_main_~i~4 68), 236781#(<= ULTIMATE.start_main_~i~4 66), 236780#(<= ULTIMATE.start_main_~i~4 64), 236787#(<= ULTIMATE.start_main_~i~4 78), 236786#(<= ULTIMATE.start_main_~i~4 76), 236785#(<= ULTIMATE.start_main_~i~4 74), 236784#(<= ULTIMATE.start_main_~i~4 72), 236791#(<= ULTIMATE.start_main_~i~4 86), 236790#(<= ULTIMATE.start_main_~i~4 84), 236789#(<= ULTIMATE.start_main_~i~4 82), 236788#(<= ULTIMATE.start_main_~i~4 80), 236795#(<= ULTIMATE.start_main_~i~4 94), 236794#(<= ULTIMATE.start_main_~i~4 92), 236793#(<= ULTIMATE.start_main_~i~4 90), 236792#(<= ULTIMATE.start_main_~i~4 88), 236799#(<= ULTIMATE.start_main_~i~4 102), 236798#(<= ULTIMATE.start_main_~i~4 100), 236797#(<= ULTIMATE.start_main_~i~4 98), 236796#(<= ULTIMATE.start_main_~i~4 96), 236803#(<= ULTIMATE.start_main_~i~4 110), 236802#(<= ULTIMATE.start_main_~i~4 108), 236801#(<= ULTIMATE.start_main_~i~4 106), 236800#(<= ULTIMATE.start_main_~i~4 104), 236807#(<= ULTIMATE.start_main_~i~4 118), 236806#(<= ULTIMATE.start_main_~i~4 116), 236805#(<= ULTIMATE.start_main_~i~4 114), 236804#(<= ULTIMATE.start_main_~i~4 112), 236811#(<= ULTIMATE.start_main_~i~4 126), 236810#(<= ULTIMATE.start_main_~i~4 124), 236809#(<= ULTIMATE.start_main_~i~4 122), 236808#(<= ULTIMATE.start_main_~i~4 120), 236815#(<= ULTIMATE.start_main_~i~4 134), 236814#(<= ULTIMATE.start_main_~i~4 132), 236813#(<= ULTIMATE.start_main_~i~4 130), 236812#(<= ULTIMATE.start_main_~i~4 128), 236819#(<= ULTIMATE.start_main_~i~4 142), 236818#(<= ULTIMATE.start_main_~i~4 140), 236817#(<= ULTIMATE.start_main_~i~4 138), 236816#(<= ULTIMATE.start_main_~i~4 136), 236823#(<= ULTIMATE.start_main_~i~4 150), 236822#(<= ULTIMATE.start_main_~i~4 148), 236821#(<= ULTIMATE.start_main_~i~4 146), 236820#(<= ULTIMATE.start_main_~i~4 144), 236827#(<= ULTIMATE.start_main_~i~4 158), 236826#(<= ULTIMATE.start_main_~i~4 156), 236825#(<= ULTIMATE.start_main_~i~4 154), 236824#(<= ULTIMATE.start_main_~i~4 152), 236831#(<= ULTIMATE.start_main_~i~4 166), 236830#(<= ULTIMATE.start_main_~i~4 164), 236829#(<= ULTIMATE.start_main_~i~4 162), 236828#(<= ULTIMATE.start_main_~i~4 160), 236835#(<= ULTIMATE.start_main_~i~4 174), 236834#(<= ULTIMATE.start_main_~i~4 172), 236833#(<= ULTIMATE.start_main_~i~4 170), 236832#(<= ULTIMATE.start_main_~i~4 168), 236839#(<= ULTIMATE.start_main_~i~4 182), 236838#(<= ULTIMATE.start_main_~i~4 180), 236837#(<= ULTIMATE.start_main_~i~4 178), 236836#(<= ULTIMATE.start_main_~i~4 176), 236843#(<= ULTIMATE.start_main_~i~4 190), 236842#(<= ULTIMATE.start_main_~i~4 188), 236841#(<= ULTIMATE.start_main_~i~4 186), 236840#(<= ULTIMATE.start_main_~i~4 184), 236847#(<= ULTIMATE.start_main_~i~4 198), 236846#(<= ULTIMATE.start_main_~i~4 196), 236845#(<= ULTIMATE.start_main_~i~4 194), 236844#(<= ULTIMATE.start_main_~i~4 192), 236851#(<= ULTIMATE.start_main_~i~4 206), 236850#(<= ULTIMATE.start_main_~i~4 204), 236849#(<= ULTIMATE.start_main_~i~4 202), 236848#(<= ULTIMATE.start_main_~i~4 200), 236855#(<= ULTIMATE.start_main_~i~4 214), 236854#(<= ULTIMATE.start_main_~i~4 212), 236853#(<= ULTIMATE.start_main_~i~4 210), 236852#(<= ULTIMATE.start_main_~i~4 208), 236859#(<= ULTIMATE.start_main_~i~4 222), 236858#(<= ULTIMATE.start_main_~i~4 220), 236857#(<= ULTIMATE.start_main_~i~4 218), 236856#(<= ULTIMATE.start_main_~i~4 216), 236863#(<= ULTIMATE.start_main_~i~4 230), 236862#(<= ULTIMATE.start_main_~i~4 228), 236861#(<= ULTIMATE.start_main_~i~4 226), 236860#(<= ULTIMATE.start_main_~i~4 224), 236867#(<= ULTIMATE.start_main_~i~4 238), 236866#(<= ULTIMATE.start_main_~i~4 236), 236865#(<= ULTIMATE.start_main_~i~4 234), 236864#(<= ULTIMATE.start_main_~i~4 232), 236871#(<= ULTIMATE.start_main_~i~4 246), 236870#(<= ULTIMATE.start_main_~i~4 244), 236869#(<= ULTIMATE.start_main_~i~4 242), 236868#(<= ULTIMATE.start_main_~i~4 240), 236875#(<= ULTIMATE.start_main_~i~4 254), 236874#(<= ULTIMATE.start_main_~i~4 252), 236873#(<= ULTIMATE.start_main_~i~4 250), 236872#(<= ULTIMATE.start_main_~i~4 248), 236879#(<= ULTIMATE.start_main_~i~4 262), 236878#(<= ULTIMATE.start_main_~i~4 260), 236877#(<= ULTIMATE.start_main_~i~4 258), 236876#(<= ULTIMATE.start_main_~i~4 256), 236883#(<= ULTIMATE.start_main_~i~4 270), 236882#(<= ULTIMATE.start_main_~i~4 268), 236881#(<= ULTIMATE.start_main_~i~4 266), 236880#(<= ULTIMATE.start_main_~i~4 264), 236887#(<= ULTIMATE.start_main_~i~4 278), 236886#(<= ULTIMATE.start_main_~i~4 276), 236885#(<= ULTIMATE.start_main_~i~4 274), 236884#(<= ULTIMATE.start_main_~i~4 272), 236891#(<= ULTIMATE.start_main_~i~4 286), 236890#(<= ULTIMATE.start_main_~i~4 284), 236889#(<= ULTIMATE.start_main_~i~4 282), 236888#(<= ULTIMATE.start_main_~i~4 280), 236895#(<= ULTIMATE.start_main_~i~4 294), 236894#(<= ULTIMATE.start_main_~i~4 292), 236893#(<= ULTIMATE.start_main_~i~4 290), 236892#(<= ULTIMATE.start_main_~i~4 288), 236899#(<= ULTIMATE.start_main_~i~4 302), 236898#(<= ULTIMATE.start_main_~i~4 300), 236897#(<= ULTIMATE.start_main_~i~4 298), 236896#(<= ULTIMATE.start_main_~i~4 296), 236903#(<= ULTIMATE.start_main_~i~4 310), 236902#(<= ULTIMATE.start_main_~i~4 308), 236901#(<= ULTIMATE.start_main_~i~4 306), 236900#(<= ULTIMATE.start_main_~i~4 304), 236907#(<= ULTIMATE.start_main_~i~4 318), 236906#(<= ULTIMATE.start_main_~i~4 316), 236905#(<= ULTIMATE.start_main_~i~4 314), 236904#(<= ULTIMATE.start_main_~i~4 312), 236911#(<= ULTIMATE.start_main_~i~4 326), 236910#(<= ULTIMATE.start_main_~i~4 324), 236909#(<= ULTIMATE.start_main_~i~4 322), 236908#(<= ULTIMATE.start_main_~i~4 320), 236915#(<= ULTIMATE.start_main_~i~4 334), 236914#(<= ULTIMATE.start_main_~i~4 332), 236913#(<= ULTIMATE.start_main_~i~4 330), 236912#(<= ULTIMATE.start_main_~i~4 328), 236919#(<= ULTIMATE.start_main_~i~4 342), 236918#(<= ULTIMATE.start_main_~i~4 340), 236917#(<= ULTIMATE.start_main_~i~4 338), 236916#(<= ULTIMATE.start_main_~i~4 336), 236923#(<= ULTIMATE.start_main_~i~4 350), 236922#(<= ULTIMATE.start_main_~i~4 348), 236921#(<= ULTIMATE.start_main_~i~4 346), 236920#(<= ULTIMATE.start_main_~i~4 344), 236927#(<= ULTIMATE.start_main_~i~4 358), 236926#(<= ULTIMATE.start_main_~i~4 356), 236925#(<= ULTIMATE.start_main_~i~4 354), 236924#(<= ULTIMATE.start_main_~i~4 352), 236931#(<= ULTIMATE.start_main_~i~4 366), 236930#(<= ULTIMATE.start_main_~i~4 364), 236929#(<= ULTIMATE.start_main_~i~4 362), 236928#(<= ULTIMATE.start_main_~i~4 360), 236935#(<= ULTIMATE.start_main_~i~4 374), 236934#(<= ULTIMATE.start_main_~i~4 372), 236933#(<= ULTIMATE.start_main_~i~4 370), 236932#(<= ULTIMATE.start_main_~i~4 368), 236939#(<= ULTIMATE.start_main_~i~4 382), 236938#(<= ULTIMATE.start_main_~i~4 380), 236937#(<= ULTIMATE.start_main_~i~4 378), 236936#(<= ULTIMATE.start_main_~i~4 376), 236943#(<= ULTIMATE.start_main_~i~4 390), 236942#(<= ULTIMATE.start_main_~i~4 388), 236941#(<= ULTIMATE.start_main_~i~4 386), 236940#(<= ULTIMATE.start_main_~i~4 384), 236947#(<= ULTIMATE.start_main_~i~4 398), 236946#(<= ULTIMATE.start_main_~i~4 396), 236945#(<= ULTIMATE.start_main_~i~4 394), 236944#(<= ULTIMATE.start_main_~i~4 392), 236951#(<= ULTIMATE.start_main_~i~4 406), 236950#(<= ULTIMATE.start_main_~i~4 404), 236949#(<= ULTIMATE.start_main_~i~4 402), 236948#(<= ULTIMATE.start_main_~i~4 400), 236955#(<= ULTIMATE.start_main_~i~4 414), 236954#(<= ULTIMATE.start_main_~i~4 412), 236953#(<= ULTIMATE.start_main_~i~4 410), 236952#(<= ULTIMATE.start_main_~i~4 408), 236959#(<= ULTIMATE.start_main_~i~4 422), 236958#(<= ULTIMATE.start_main_~i~4 420), 236957#(<= ULTIMATE.start_main_~i~4 418), 236956#(<= ULTIMATE.start_main_~i~4 416), 236963#(<= ULTIMATE.start_main_~i~4 430), 236962#(<= ULTIMATE.start_main_~i~4 428), 236961#(<= ULTIMATE.start_main_~i~4 426), 236960#(<= ULTIMATE.start_main_~i~4 424), 236967#(<= ULTIMATE.start_main_~i~4 438), 236966#(<= ULTIMATE.start_main_~i~4 436), 236965#(<= ULTIMATE.start_main_~i~4 434), 236964#(<= ULTIMATE.start_main_~i~4 432), 236971#(<= ULTIMATE.start_main_~i~4 446), 236970#(<= ULTIMATE.start_main_~i~4 444), 236969#(<= ULTIMATE.start_main_~i~4 442), 236968#(<= ULTIMATE.start_main_~i~4 440), 236974#(<= ULTIMATE.start_main_~i~4 452), 236973#(<= ULTIMATE.start_main_~i~4 450), 236972#(<= ULTIMATE.start_main_~i~4 448)] [2018-07-23 13:48:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 51302 backedges. 0 proven. 51302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:48,797 INFO L450 AbstractCegarLoop]: Interpolant automaton has 229 states [2018-07-23 13:48:48,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2018-07-23 13:48:48,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:48:48,801 INFO L87 Difference]: Start difference. First operand 457 states and 457 transitions. Second operand 229 states. [2018-07-23 13:48:51,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:51,471 INFO L93 Difference]: Finished difference Result 461 states and 461 transitions. [2018-07-23 13:48:51,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:48:51,471 INFO L78 Accepts]: Start accepts. Automaton has 229 states. Word has length 456 [2018-07-23 13:48:51,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:51,472 INFO L225 Difference]: With dead ends: 461 [2018-07-23 13:48:51,472 INFO L226 Difference]: Without dead ends: 459 [2018-07-23 13:48:51,473 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:48:51,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-07-23 13:48:51,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2018-07-23 13:48:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-07-23 13:48:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 459 transitions. [2018-07-23 13:48:51,477 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 459 transitions. Word has length 456 [2018-07-23 13:48:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:51,477 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 459 transitions. [2018-07-23 13:48:51,477 INFO L472 AbstractCegarLoop]: Interpolant automaton has 229 states. [2018-07-23 13:48:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 459 transitions. [2018-07-23 13:48:51,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2018-07-23 13:48:51,479 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:51,479 INFO L357 BasicCegarLoop]: trace histogram [228, 227, 1, 1, 1] [2018-07-23 13:48:51,479 INFO L414 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:51,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1944311861, now seen corresponding path program 227 times [2018-07-23 13:48:51,479 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 51756 backedges. 0 proven. 51756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:53,042 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:53,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [229] total 229 [2018-07-23 13:48:53,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:53,043 INFO L185 omatonBuilderFactory]: Interpolants [238815#true, 238819#(<= ULTIMATE.start_main_~i~4 4), 238818#(<= ULTIMATE.start_main_~i~4 2), 238817#(<= ULTIMATE.start_main_~i~4 0), 238816#false, 238823#(<= ULTIMATE.start_main_~i~4 12), 238822#(<= ULTIMATE.start_main_~i~4 10), 238821#(<= ULTIMATE.start_main_~i~4 8), 238820#(<= ULTIMATE.start_main_~i~4 6), 238827#(<= ULTIMATE.start_main_~i~4 20), 238826#(<= ULTIMATE.start_main_~i~4 18), 238825#(<= ULTIMATE.start_main_~i~4 16), 238824#(<= ULTIMATE.start_main_~i~4 14), 238831#(<= ULTIMATE.start_main_~i~4 28), 238830#(<= ULTIMATE.start_main_~i~4 26), 238829#(<= ULTIMATE.start_main_~i~4 24), 238828#(<= ULTIMATE.start_main_~i~4 22), 238835#(<= ULTIMATE.start_main_~i~4 36), 238834#(<= ULTIMATE.start_main_~i~4 34), 238833#(<= ULTIMATE.start_main_~i~4 32), 238832#(<= ULTIMATE.start_main_~i~4 30), 238839#(<= ULTIMATE.start_main_~i~4 44), 238838#(<= ULTIMATE.start_main_~i~4 42), 238837#(<= ULTIMATE.start_main_~i~4 40), 238836#(<= ULTIMATE.start_main_~i~4 38), 238843#(<= ULTIMATE.start_main_~i~4 52), 238842#(<= ULTIMATE.start_main_~i~4 50), 238841#(<= ULTIMATE.start_main_~i~4 48), 238840#(<= ULTIMATE.start_main_~i~4 46), 238847#(<= ULTIMATE.start_main_~i~4 60), 238846#(<= ULTIMATE.start_main_~i~4 58), 238845#(<= ULTIMATE.start_main_~i~4 56), 238844#(<= ULTIMATE.start_main_~i~4 54), 238851#(<= ULTIMATE.start_main_~i~4 68), 238850#(<= ULTIMATE.start_main_~i~4 66), 238849#(<= ULTIMATE.start_main_~i~4 64), 238848#(<= ULTIMATE.start_main_~i~4 62), 238855#(<= ULTIMATE.start_main_~i~4 76), 238854#(<= ULTIMATE.start_main_~i~4 74), 238853#(<= ULTIMATE.start_main_~i~4 72), 238852#(<= ULTIMATE.start_main_~i~4 70), 238859#(<= ULTIMATE.start_main_~i~4 84), 238858#(<= ULTIMATE.start_main_~i~4 82), 238857#(<= ULTIMATE.start_main_~i~4 80), 238856#(<= ULTIMATE.start_main_~i~4 78), 238863#(<= ULTIMATE.start_main_~i~4 92), 238862#(<= ULTIMATE.start_main_~i~4 90), 238861#(<= ULTIMATE.start_main_~i~4 88), 238860#(<= ULTIMATE.start_main_~i~4 86), 238867#(<= ULTIMATE.start_main_~i~4 100), 238866#(<= ULTIMATE.start_main_~i~4 98), 238865#(<= ULTIMATE.start_main_~i~4 96), 238864#(<= ULTIMATE.start_main_~i~4 94), 238871#(<= ULTIMATE.start_main_~i~4 108), 238870#(<= ULTIMATE.start_main_~i~4 106), 238869#(<= ULTIMATE.start_main_~i~4 104), 238868#(<= ULTIMATE.start_main_~i~4 102), 238875#(<= ULTIMATE.start_main_~i~4 116), 238874#(<= ULTIMATE.start_main_~i~4 114), 238873#(<= ULTIMATE.start_main_~i~4 112), 238872#(<= ULTIMATE.start_main_~i~4 110), 238879#(<= ULTIMATE.start_main_~i~4 124), 238878#(<= ULTIMATE.start_main_~i~4 122), 238877#(<= ULTIMATE.start_main_~i~4 120), 238876#(<= ULTIMATE.start_main_~i~4 118), 238883#(<= ULTIMATE.start_main_~i~4 132), 238882#(<= ULTIMATE.start_main_~i~4 130), 238881#(<= ULTIMATE.start_main_~i~4 128), 238880#(<= ULTIMATE.start_main_~i~4 126), 238887#(<= ULTIMATE.start_main_~i~4 140), 238886#(<= ULTIMATE.start_main_~i~4 138), 238885#(<= ULTIMATE.start_main_~i~4 136), 238884#(<= ULTIMATE.start_main_~i~4 134), 238891#(<= ULTIMATE.start_main_~i~4 148), 238890#(<= ULTIMATE.start_main_~i~4 146), 238889#(<= ULTIMATE.start_main_~i~4 144), 238888#(<= ULTIMATE.start_main_~i~4 142), 238895#(<= ULTIMATE.start_main_~i~4 156), 238894#(<= ULTIMATE.start_main_~i~4 154), 238893#(<= ULTIMATE.start_main_~i~4 152), 238892#(<= ULTIMATE.start_main_~i~4 150), 238899#(<= ULTIMATE.start_main_~i~4 164), 238898#(<= ULTIMATE.start_main_~i~4 162), 238897#(<= ULTIMATE.start_main_~i~4 160), 238896#(<= ULTIMATE.start_main_~i~4 158), 238903#(<= ULTIMATE.start_main_~i~4 172), 238902#(<= ULTIMATE.start_main_~i~4 170), 238901#(<= ULTIMATE.start_main_~i~4 168), 238900#(<= ULTIMATE.start_main_~i~4 166), 238907#(<= ULTIMATE.start_main_~i~4 180), 238906#(<= ULTIMATE.start_main_~i~4 178), 238905#(<= ULTIMATE.start_main_~i~4 176), 238904#(<= ULTIMATE.start_main_~i~4 174), 238911#(<= ULTIMATE.start_main_~i~4 188), 238910#(<= ULTIMATE.start_main_~i~4 186), 238909#(<= ULTIMATE.start_main_~i~4 184), 238908#(<= ULTIMATE.start_main_~i~4 182), 238915#(<= ULTIMATE.start_main_~i~4 196), 238914#(<= ULTIMATE.start_main_~i~4 194), 238913#(<= ULTIMATE.start_main_~i~4 192), 238912#(<= ULTIMATE.start_main_~i~4 190), 238919#(<= ULTIMATE.start_main_~i~4 204), 238918#(<= ULTIMATE.start_main_~i~4 202), 238917#(<= ULTIMATE.start_main_~i~4 200), 238916#(<= ULTIMATE.start_main_~i~4 198), 238923#(<= ULTIMATE.start_main_~i~4 212), 238922#(<= ULTIMATE.start_main_~i~4 210), 238921#(<= ULTIMATE.start_main_~i~4 208), 238920#(<= ULTIMATE.start_main_~i~4 206), 238927#(<= ULTIMATE.start_main_~i~4 220), 238926#(<= ULTIMATE.start_main_~i~4 218), 238925#(<= ULTIMATE.start_main_~i~4 216), 238924#(<= ULTIMATE.start_main_~i~4 214), 238931#(<= ULTIMATE.start_main_~i~4 228), 238930#(<= ULTIMATE.start_main_~i~4 226), 238929#(<= ULTIMATE.start_main_~i~4 224), 238928#(<= ULTIMATE.start_main_~i~4 222), 238935#(<= ULTIMATE.start_main_~i~4 236), 238934#(<= ULTIMATE.start_main_~i~4 234), 238933#(<= ULTIMATE.start_main_~i~4 232), 238932#(<= ULTIMATE.start_main_~i~4 230), 238939#(<= ULTIMATE.start_main_~i~4 244), 238938#(<= ULTIMATE.start_main_~i~4 242), 238937#(<= ULTIMATE.start_main_~i~4 240), 238936#(<= ULTIMATE.start_main_~i~4 238), 238943#(<= ULTIMATE.start_main_~i~4 252), 238942#(<= ULTIMATE.start_main_~i~4 250), 238941#(<= ULTIMATE.start_main_~i~4 248), 238940#(<= ULTIMATE.start_main_~i~4 246), 238947#(<= ULTIMATE.start_main_~i~4 260), 238946#(<= ULTIMATE.start_main_~i~4 258), 238945#(<= ULTIMATE.start_main_~i~4 256), 238944#(<= ULTIMATE.start_main_~i~4 254), 238951#(<= ULTIMATE.start_main_~i~4 268), 238950#(<= ULTIMATE.start_main_~i~4 266), 238949#(<= ULTIMATE.start_main_~i~4 264), 238948#(<= ULTIMATE.start_main_~i~4 262), 238955#(<= ULTIMATE.start_main_~i~4 276), 238954#(<= ULTIMATE.start_main_~i~4 274), 238953#(<= ULTIMATE.start_main_~i~4 272), 238952#(<= ULTIMATE.start_main_~i~4 270), 238959#(<= ULTIMATE.start_main_~i~4 284), 238958#(<= ULTIMATE.start_main_~i~4 282), 238957#(<= ULTIMATE.start_main_~i~4 280), 238956#(<= ULTIMATE.start_main_~i~4 278), 238963#(<= ULTIMATE.start_main_~i~4 292), 238962#(<= ULTIMATE.start_main_~i~4 290), 238961#(<= ULTIMATE.start_main_~i~4 288), 238960#(<= ULTIMATE.start_main_~i~4 286), 238967#(<= ULTIMATE.start_main_~i~4 300), 238966#(<= ULTIMATE.start_main_~i~4 298), 238965#(<= ULTIMATE.start_main_~i~4 296), 238964#(<= ULTIMATE.start_main_~i~4 294), 238971#(<= ULTIMATE.start_main_~i~4 308), 238970#(<= ULTIMATE.start_main_~i~4 306), 238969#(<= ULTIMATE.start_main_~i~4 304), 238968#(<= ULTIMATE.start_main_~i~4 302), 238975#(<= ULTIMATE.start_main_~i~4 316), 238974#(<= ULTIMATE.start_main_~i~4 314), 238973#(<= ULTIMATE.start_main_~i~4 312), 238972#(<= ULTIMATE.start_main_~i~4 310), 238979#(<= ULTIMATE.start_main_~i~4 324), 238978#(<= ULTIMATE.start_main_~i~4 322), 238977#(<= ULTIMATE.start_main_~i~4 320), 238976#(<= ULTIMATE.start_main_~i~4 318), 238983#(<= ULTIMATE.start_main_~i~4 332), 238982#(<= ULTIMATE.start_main_~i~4 330), 238981#(<= ULTIMATE.start_main_~i~4 328), 238980#(<= ULTIMATE.start_main_~i~4 326), 238987#(<= ULTIMATE.start_main_~i~4 340), 238986#(<= ULTIMATE.start_main_~i~4 338), 238985#(<= ULTIMATE.start_main_~i~4 336), 238984#(<= ULTIMATE.start_main_~i~4 334), 238991#(<= ULTIMATE.start_main_~i~4 348), 238990#(<= ULTIMATE.start_main_~i~4 346), 238989#(<= ULTIMATE.start_main_~i~4 344), 238988#(<= ULTIMATE.start_main_~i~4 342), 238995#(<= ULTIMATE.start_main_~i~4 356), 238994#(<= ULTIMATE.start_main_~i~4 354), 238993#(<= ULTIMATE.start_main_~i~4 352), 238992#(<= ULTIMATE.start_main_~i~4 350), 238999#(<= ULTIMATE.start_main_~i~4 364), 238998#(<= ULTIMATE.start_main_~i~4 362), 238997#(<= ULTIMATE.start_main_~i~4 360), 238996#(<= ULTIMATE.start_main_~i~4 358), 239003#(<= ULTIMATE.start_main_~i~4 372), 239002#(<= ULTIMATE.start_main_~i~4 370), 239001#(<= ULTIMATE.start_main_~i~4 368), 239000#(<= ULTIMATE.start_main_~i~4 366), 239007#(<= ULTIMATE.start_main_~i~4 380), 239006#(<= ULTIMATE.start_main_~i~4 378), 239005#(<= ULTIMATE.start_main_~i~4 376), 239004#(<= ULTIMATE.start_main_~i~4 374), 239011#(<= ULTIMATE.start_main_~i~4 388), 239010#(<= ULTIMATE.start_main_~i~4 386), 239009#(<= ULTIMATE.start_main_~i~4 384), 239008#(<= ULTIMATE.start_main_~i~4 382), 239015#(<= ULTIMATE.start_main_~i~4 396), 239014#(<= ULTIMATE.start_main_~i~4 394), 239013#(<= ULTIMATE.start_main_~i~4 392), 239012#(<= ULTIMATE.start_main_~i~4 390), 239019#(<= ULTIMATE.start_main_~i~4 404), 239018#(<= ULTIMATE.start_main_~i~4 402), 239017#(<= ULTIMATE.start_main_~i~4 400), 239016#(<= ULTIMATE.start_main_~i~4 398), 239023#(<= ULTIMATE.start_main_~i~4 412), 239022#(<= ULTIMATE.start_main_~i~4 410), 239021#(<= ULTIMATE.start_main_~i~4 408), 239020#(<= ULTIMATE.start_main_~i~4 406), 239027#(<= ULTIMATE.start_main_~i~4 420), 239026#(<= ULTIMATE.start_main_~i~4 418), 239025#(<= ULTIMATE.start_main_~i~4 416), 239024#(<= ULTIMATE.start_main_~i~4 414), 239031#(<= ULTIMATE.start_main_~i~4 428), 239030#(<= ULTIMATE.start_main_~i~4 426), 239029#(<= ULTIMATE.start_main_~i~4 424), 239028#(<= ULTIMATE.start_main_~i~4 422), 239035#(<= ULTIMATE.start_main_~i~4 436), 239034#(<= ULTIMATE.start_main_~i~4 434), 239033#(<= ULTIMATE.start_main_~i~4 432), 239032#(<= ULTIMATE.start_main_~i~4 430), 239039#(<= ULTIMATE.start_main_~i~4 444), 239038#(<= ULTIMATE.start_main_~i~4 442), 239037#(<= ULTIMATE.start_main_~i~4 440), 239036#(<= ULTIMATE.start_main_~i~4 438), 239043#(<= ULTIMATE.start_main_~i~4 452), 239042#(<= ULTIMATE.start_main_~i~4 450), 239041#(<= ULTIMATE.start_main_~i~4 448), 239040#(<= ULTIMATE.start_main_~i~4 446), 239044#(<= ULTIMATE.start_main_~i~4 454)] [2018-07-23 13:48:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 51756 backedges. 0 proven. 51756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:53,045 INFO L450 AbstractCegarLoop]: Interpolant automaton has 230 states [2018-07-23 13:48:53,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2018-07-23 13:48:53,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:48:53,051 INFO L87 Difference]: Start difference. First operand 459 states and 459 transitions. Second operand 230 states. [2018-07-23 13:48:55,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:55,961 INFO L93 Difference]: Finished difference Result 463 states and 463 transitions. [2018-07-23 13:48:55,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2018-07-23 13:48:55,961 INFO L78 Accepts]: Start accepts. Automaton has 230 states. Word has length 458 [2018-07-23 13:48:55,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:55,962 INFO L225 Difference]: With dead ends: 463 [2018-07-23 13:48:55,962 INFO L226 Difference]: Without dead ends: 461 [2018-07-23 13:48:55,965 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:48:55,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-07-23 13:48:55,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2018-07-23 13:48:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-07-23 13:48:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 461 transitions. [2018-07-23 13:48:55,969 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 461 transitions. Word has length 458 [2018-07-23 13:48:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:55,970 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 461 transitions. [2018-07-23 13:48:55,970 INFO L472 AbstractCegarLoop]: Interpolant automaton has 230 states. [2018-07-23 13:48:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 461 transitions. [2018-07-23 13:48:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2018-07-23 13:48:55,971 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:55,971 INFO L357 BasicCegarLoop]: trace histogram [229, 228, 1, 1, 1] [2018-07-23 13:48:55,971 INFO L414 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:55,972 INFO L82 PathProgramCache]: Analyzing trace with hash 172976751, now seen corresponding path program 228 times [2018-07-23 13:48:55,972 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 52212 backedges. 0 proven. 52212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:57,536 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:57,536 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [230] total 230 [2018-07-23 13:48:57,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:57,537 INFO L185 omatonBuilderFactory]: Interpolants [240895#(<= ULTIMATE.start_main_~i~4 0), 240894#false, 240893#true, 240899#(<= ULTIMATE.start_main_~i~4 8), 240898#(<= ULTIMATE.start_main_~i~4 6), 240897#(<= ULTIMATE.start_main_~i~4 4), 240896#(<= ULTIMATE.start_main_~i~4 2), 240903#(<= ULTIMATE.start_main_~i~4 16), 240902#(<= ULTIMATE.start_main_~i~4 14), 240901#(<= ULTIMATE.start_main_~i~4 12), 240900#(<= ULTIMATE.start_main_~i~4 10), 240907#(<= ULTIMATE.start_main_~i~4 24), 240906#(<= ULTIMATE.start_main_~i~4 22), 240905#(<= ULTIMATE.start_main_~i~4 20), 240904#(<= ULTIMATE.start_main_~i~4 18), 240911#(<= ULTIMATE.start_main_~i~4 32), 240910#(<= ULTIMATE.start_main_~i~4 30), 240909#(<= ULTIMATE.start_main_~i~4 28), 240908#(<= ULTIMATE.start_main_~i~4 26), 240915#(<= ULTIMATE.start_main_~i~4 40), 240914#(<= ULTIMATE.start_main_~i~4 38), 240913#(<= ULTIMATE.start_main_~i~4 36), 240912#(<= ULTIMATE.start_main_~i~4 34), 240919#(<= ULTIMATE.start_main_~i~4 48), 240918#(<= ULTIMATE.start_main_~i~4 46), 240917#(<= ULTIMATE.start_main_~i~4 44), 240916#(<= ULTIMATE.start_main_~i~4 42), 240923#(<= ULTIMATE.start_main_~i~4 56), 240922#(<= ULTIMATE.start_main_~i~4 54), 240921#(<= ULTIMATE.start_main_~i~4 52), 240920#(<= ULTIMATE.start_main_~i~4 50), 240927#(<= ULTIMATE.start_main_~i~4 64), 240926#(<= ULTIMATE.start_main_~i~4 62), 240925#(<= ULTIMATE.start_main_~i~4 60), 240924#(<= ULTIMATE.start_main_~i~4 58), 240931#(<= ULTIMATE.start_main_~i~4 72), 240930#(<= ULTIMATE.start_main_~i~4 70), 240929#(<= ULTIMATE.start_main_~i~4 68), 240928#(<= ULTIMATE.start_main_~i~4 66), 240935#(<= ULTIMATE.start_main_~i~4 80), 240934#(<= ULTIMATE.start_main_~i~4 78), 240933#(<= ULTIMATE.start_main_~i~4 76), 240932#(<= ULTIMATE.start_main_~i~4 74), 240939#(<= ULTIMATE.start_main_~i~4 88), 240938#(<= ULTIMATE.start_main_~i~4 86), 240937#(<= ULTIMATE.start_main_~i~4 84), 240936#(<= ULTIMATE.start_main_~i~4 82), 240943#(<= ULTIMATE.start_main_~i~4 96), 240942#(<= ULTIMATE.start_main_~i~4 94), 240941#(<= ULTIMATE.start_main_~i~4 92), 240940#(<= ULTIMATE.start_main_~i~4 90), 240947#(<= ULTIMATE.start_main_~i~4 104), 240946#(<= ULTIMATE.start_main_~i~4 102), 240945#(<= ULTIMATE.start_main_~i~4 100), 240944#(<= ULTIMATE.start_main_~i~4 98), 240951#(<= ULTIMATE.start_main_~i~4 112), 240950#(<= ULTIMATE.start_main_~i~4 110), 240949#(<= ULTIMATE.start_main_~i~4 108), 240948#(<= ULTIMATE.start_main_~i~4 106), 240955#(<= ULTIMATE.start_main_~i~4 120), 240954#(<= ULTIMATE.start_main_~i~4 118), 240953#(<= ULTIMATE.start_main_~i~4 116), 240952#(<= ULTIMATE.start_main_~i~4 114), 240959#(<= ULTIMATE.start_main_~i~4 128), 240958#(<= ULTIMATE.start_main_~i~4 126), 240957#(<= ULTIMATE.start_main_~i~4 124), 240956#(<= ULTIMATE.start_main_~i~4 122), 240963#(<= ULTIMATE.start_main_~i~4 136), 240962#(<= ULTIMATE.start_main_~i~4 134), 240961#(<= ULTIMATE.start_main_~i~4 132), 240960#(<= ULTIMATE.start_main_~i~4 130), 240967#(<= ULTIMATE.start_main_~i~4 144), 240966#(<= ULTIMATE.start_main_~i~4 142), 240965#(<= ULTIMATE.start_main_~i~4 140), 240964#(<= ULTIMATE.start_main_~i~4 138), 240971#(<= ULTIMATE.start_main_~i~4 152), 240970#(<= ULTIMATE.start_main_~i~4 150), 240969#(<= ULTIMATE.start_main_~i~4 148), 240968#(<= ULTIMATE.start_main_~i~4 146), 240975#(<= ULTIMATE.start_main_~i~4 160), 240974#(<= ULTIMATE.start_main_~i~4 158), 240973#(<= ULTIMATE.start_main_~i~4 156), 240972#(<= ULTIMATE.start_main_~i~4 154), 240979#(<= ULTIMATE.start_main_~i~4 168), 240978#(<= ULTIMATE.start_main_~i~4 166), 240977#(<= ULTIMATE.start_main_~i~4 164), 240976#(<= ULTIMATE.start_main_~i~4 162), 240983#(<= ULTIMATE.start_main_~i~4 176), 240982#(<= ULTIMATE.start_main_~i~4 174), 240981#(<= ULTIMATE.start_main_~i~4 172), 240980#(<= ULTIMATE.start_main_~i~4 170), 240987#(<= ULTIMATE.start_main_~i~4 184), 240986#(<= ULTIMATE.start_main_~i~4 182), 240985#(<= ULTIMATE.start_main_~i~4 180), 240984#(<= ULTIMATE.start_main_~i~4 178), 240991#(<= ULTIMATE.start_main_~i~4 192), 240990#(<= ULTIMATE.start_main_~i~4 190), 240989#(<= ULTIMATE.start_main_~i~4 188), 240988#(<= ULTIMATE.start_main_~i~4 186), 240995#(<= ULTIMATE.start_main_~i~4 200), 240994#(<= ULTIMATE.start_main_~i~4 198), 240993#(<= ULTIMATE.start_main_~i~4 196), 240992#(<= ULTIMATE.start_main_~i~4 194), 240999#(<= ULTIMATE.start_main_~i~4 208), 240998#(<= ULTIMATE.start_main_~i~4 206), 240997#(<= ULTIMATE.start_main_~i~4 204), 240996#(<= ULTIMATE.start_main_~i~4 202), 241003#(<= ULTIMATE.start_main_~i~4 216), 241002#(<= ULTIMATE.start_main_~i~4 214), 241001#(<= ULTIMATE.start_main_~i~4 212), 241000#(<= ULTIMATE.start_main_~i~4 210), 241007#(<= ULTIMATE.start_main_~i~4 224), 241006#(<= ULTIMATE.start_main_~i~4 222), 241005#(<= ULTIMATE.start_main_~i~4 220), 241004#(<= ULTIMATE.start_main_~i~4 218), 241011#(<= ULTIMATE.start_main_~i~4 232), 241010#(<= ULTIMATE.start_main_~i~4 230), 241009#(<= ULTIMATE.start_main_~i~4 228), 241008#(<= ULTIMATE.start_main_~i~4 226), 241015#(<= ULTIMATE.start_main_~i~4 240), 241014#(<= ULTIMATE.start_main_~i~4 238), 241013#(<= ULTIMATE.start_main_~i~4 236), 241012#(<= ULTIMATE.start_main_~i~4 234), 241019#(<= ULTIMATE.start_main_~i~4 248), 241018#(<= ULTIMATE.start_main_~i~4 246), 241017#(<= ULTIMATE.start_main_~i~4 244), 241016#(<= ULTIMATE.start_main_~i~4 242), 241023#(<= ULTIMATE.start_main_~i~4 256), 241022#(<= ULTIMATE.start_main_~i~4 254), 241021#(<= ULTIMATE.start_main_~i~4 252), 241020#(<= ULTIMATE.start_main_~i~4 250), 241027#(<= ULTIMATE.start_main_~i~4 264), 241026#(<= ULTIMATE.start_main_~i~4 262), 241025#(<= ULTIMATE.start_main_~i~4 260), 241024#(<= ULTIMATE.start_main_~i~4 258), 241031#(<= ULTIMATE.start_main_~i~4 272), 241030#(<= ULTIMATE.start_main_~i~4 270), 241029#(<= ULTIMATE.start_main_~i~4 268), 241028#(<= ULTIMATE.start_main_~i~4 266), 241035#(<= ULTIMATE.start_main_~i~4 280), 241034#(<= ULTIMATE.start_main_~i~4 278), 241033#(<= ULTIMATE.start_main_~i~4 276), 241032#(<= ULTIMATE.start_main_~i~4 274), 241039#(<= ULTIMATE.start_main_~i~4 288), 241038#(<= ULTIMATE.start_main_~i~4 286), 241037#(<= ULTIMATE.start_main_~i~4 284), 241036#(<= ULTIMATE.start_main_~i~4 282), 241043#(<= ULTIMATE.start_main_~i~4 296), 241042#(<= ULTIMATE.start_main_~i~4 294), 241041#(<= ULTIMATE.start_main_~i~4 292), 241040#(<= ULTIMATE.start_main_~i~4 290), 241047#(<= ULTIMATE.start_main_~i~4 304), 241046#(<= ULTIMATE.start_main_~i~4 302), 241045#(<= ULTIMATE.start_main_~i~4 300), 241044#(<= ULTIMATE.start_main_~i~4 298), 241051#(<= ULTIMATE.start_main_~i~4 312), 241050#(<= ULTIMATE.start_main_~i~4 310), 241049#(<= ULTIMATE.start_main_~i~4 308), 241048#(<= ULTIMATE.start_main_~i~4 306), 241055#(<= ULTIMATE.start_main_~i~4 320), 241054#(<= ULTIMATE.start_main_~i~4 318), 241053#(<= ULTIMATE.start_main_~i~4 316), 241052#(<= ULTIMATE.start_main_~i~4 314), 241059#(<= ULTIMATE.start_main_~i~4 328), 241058#(<= ULTIMATE.start_main_~i~4 326), 241057#(<= ULTIMATE.start_main_~i~4 324), 241056#(<= ULTIMATE.start_main_~i~4 322), 241063#(<= ULTIMATE.start_main_~i~4 336), 241062#(<= ULTIMATE.start_main_~i~4 334), 241061#(<= ULTIMATE.start_main_~i~4 332), 241060#(<= ULTIMATE.start_main_~i~4 330), 241067#(<= ULTIMATE.start_main_~i~4 344), 241066#(<= ULTIMATE.start_main_~i~4 342), 241065#(<= ULTIMATE.start_main_~i~4 340), 241064#(<= ULTIMATE.start_main_~i~4 338), 241071#(<= ULTIMATE.start_main_~i~4 352), 241070#(<= ULTIMATE.start_main_~i~4 350), 241069#(<= ULTIMATE.start_main_~i~4 348), 241068#(<= ULTIMATE.start_main_~i~4 346), 241075#(<= ULTIMATE.start_main_~i~4 360), 241074#(<= ULTIMATE.start_main_~i~4 358), 241073#(<= ULTIMATE.start_main_~i~4 356), 241072#(<= ULTIMATE.start_main_~i~4 354), 241079#(<= ULTIMATE.start_main_~i~4 368), 241078#(<= ULTIMATE.start_main_~i~4 366), 241077#(<= ULTIMATE.start_main_~i~4 364), 241076#(<= ULTIMATE.start_main_~i~4 362), 241083#(<= ULTIMATE.start_main_~i~4 376), 241082#(<= ULTIMATE.start_main_~i~4 374), 241081#(<= ULTIMATE.start_main_~i~4 372), 241080#(<= ULTIMATE.start_main_~i~4 370), 241087#(<= ULTIMATE.start_main_~i~4 384), 241086#(<= ULTIMATE.start_main_~i~4 382), 241085#(<= ULTIMATE.start_main_~i~4 380), 241084#(<= ULTIMATE.start_main_~i~4 378), 241091#(<= ULTIMATE.start_main_~i~4 392), 241090#(<= ULTIMATE.start_main_~i~4 390), 241089#(<= ULTIMATE.start_main_~i~4 388), 241088#(<= ULTIMATE.start_main_~i~4 386), 241095#(<= ULTIMATE.start_main_~i~4 400), 241094#(<= ULTIMATE.start_main_~i~4 398), 241093#(<= ULTIMATE.start_main_~i~4 396), 241092#(<= ULTIMATE.start_main_~i~4 394), 241099#(<= ULTIMATE.start_main_~i~4 408), 241098#(<= ULTIMATE.start_main_~i~4 406), 241097#(<= ULTIMATE.start_main_~i~4 404), 241096#(<= ULTIMATE.start_main_~i~4 402), 241103#(<= ULTIMATE.start_main_~i~4 416), 241102#(<= ULTIMATE.start_main_~i~4 414), 241101#(<= ULTIMATE.start_main_~i~4 412), 241100#(<= ULTIMATE.start_main_~i~4 410), 241107#(<= ULTIMATE.start_main_~i~4 424), 241106#(<= ULTIMATE.start_main_~i~4 422), 241105#(<= ULTIMATE.start_main_~i~4 420), 241104#(<= ULTIMATE.start_main_~i~4 418), 241111#(<= ULTIMATE.start_main_~i~4 432), 241110#(<= ULTIMATE.start_main_~i~4 430), 241109#(<= ULTIMATE.start_main_~i~4 428), 241108#(<= ULTIMATE.start_main_~i~4 426), 241115#(<= ULTIMATE.start_main_~i~4 440), 241114#(<= ULTIMATE.start_main_~i~4 438), 241113#(<= ULTIMATE.start_main_~i~4 436), 241112#(<= ULTIMATE.start_main_~i~4 434), 241119#(<= ULTIMATE.start_main_~i~4 448), 241118#(<= ULTIMATE.start_main_~i~4 446), 241117#(<= ULTIMATE.start_main_~i~4 444), 241116#(<= ULTIMATE.start_main_~i~4 442), 241123#(<= ULTIMATE.start_main_~i~4 456), 241122#(<= ULTIMATE.start_main_~i~4 454), 241121#(<= ULTIMATE.start_main_~i~4 452), 241120#(<= ULTIMATE.start_main_~i~4 450)] [2018-07-23 13:48:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 52212 backedges. 0 proven. 52212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:57,539 INFO L450 AbstractCegarLoop]: Interpolant automaton has 231 states [2018-07-23 13:48:57,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 231 interpolants. [2018-07-23 13:48:57,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:48:57,544 INFO L87 Difference]: Start difference. First operand 461 states and 461 transitions. Second operand 231 states. [2018-07-23 13:49:00,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:00,953 INFO L93 Difference]: Finished difference Result 465 states and 465 transitions. [2018-07-23 13:49:00,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2018-07-23 13:49:00,953 INFO L78 Accepts]: Start accepts. Automaton has 231 states. Word has length 460 [2018-07-23 13:49:00,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:00,954 INFO L225 Difference]: With dead ends: 465 [2018-07-23 13:49:00,954 INFO L226 Difference]: Without dead ends: 463 [2018-07-23 13:49:00,957 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26565, Invalid=26565, Unknown=0, NotChecked=0, Total=53130 [2018-07-23 13:49:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-07-23 13:49:00,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2018-07-23 13:49:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-07-23 13:49:00,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 463 transitions. [2018-07-23 13:49:00,962 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 463 transitions. Word has length 460 [2018-07-23 13:49:00,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:00,962 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 463 transitions. [2018-07-23 13:49:00,962 INFO L472 AbstractCegarLoop]: Interpolant automaton has 231 states. [2018-07-23 13:49:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 463 transitions. [2018-07-23 13:49:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2018-07-23 13:49:00,963 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:00,963 INFO L357 BasicCegarLoop]: trace histogram [230, 229, 1, 1, 1] [2018-07-23 13:49:00,964 INFO L414 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:00,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1273014743, now seen corresponding path program 229 times [2018-07-23 13:49:00,964 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 52670 backedges. 0 proven. 52670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:02,585 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:02,585 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [231] total 231 [2018-07-23 13:49:02,585 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:02,586 INFO L185 omatonBuilderFactory]: Interpolants [243203#(<= ULTIMATE.start_main_~i~4 442), 243202#(<= ULTIMATE.start_main_~i~4 440), 243201#(<= ULTIMATE.start_main_~i~4 438), 243200#(<= ULTIMATE.start_main_~i~4 436), 243207#(<= ULTIMATE.start_main_~i~4 450), 243206#(<= ULTIMATE.start_main_~i~4 448), 243205#(<= ULTIMATE.start_main_~i~4 446), 243204#(<= ULTIMATE.start_main_~i~4 444), 243211#(<= ULTIMATE.start_main_~i~4 458), 243210#(<= ULTIMATE.start_main_~i~4 456), 243209#(<= ULTIMATE.start_main_~i~4 454), 243208#(<= ULTIMATE.start_main_~i~4 452), 242983#(<= ULTIMATE.start_main_~i~4 2), 242982#(<= ULTIMATE.start_main_~i~4 0), 242981#false, 242980#true, 242987#(<= ULTIMATE.start_main_~i~4 10), 242986#(<= ULTIMATE.start_main_~i~4 8), 242985#(<= ULTIMATE.start_main_~i~4 6), 242984#(<= ULTIMATE.start_main_~i~4 4), 242991#(<= ULTIMATE.start_main_~i~4 18), 242990#(<= ULTIMATE.start_main_~i~4 16), 242989#(<= ULTIMATE.start_main_~i~4 14), 242988#(<= ULTIMATE.start_main_~i~4 12), 242995#(<= ULTIMATE.start_main_~i~4 26), 242994#(<= ULTIMATE.start_main_~i~4 24), 242993#(<= ULTIMATE.start_main_~i~4 22), 242992#(<= ULTIMATE.start_main_~i~4 20), 242999#(<= ULTIMATE.start_main_~i~4 34), 242998#(<= ULTIMATE.start_main_~i~4 32), 242997#(<= ULTIMATE.start_main_~i~4 30), 242996#(<= ULTIMATE.start_main_~i~4 28), 243003#(<= ULTIMATE.start_main_~i~4 42), 243002#(<= ULTIMATE.start_main_~i~4 40), 243001#(<= ULTIMATE.start_main_~i~4 38), 243000#(<= ULTIMATE.start_main_~i~4 36), 243007#(<= ULTIMATE.start_main_~i~4 50), 243006#(<= ULTIMATE.start_main_~i~4 48), 243005#(<= ULTIMATE.start_main_~i~4 46), 243004#(<= ULTIMATE.start_main_~i~4 44), 243011#(<= ULTIMATE.start_main_~i~4 58), 243010#(<= ULTIMATE.start_main_~i~4 56), 243009#(<= ULTIMATE.start_main_~i~4 54), 243008#(<= ULTIMATE.start_main_~i~4 52), 243015#(<= ULTIMATE.start_main_~i~4 66), 243014#(<= ULTIMATE.start_main_~i~4 64), 243013#(<= ULTIMATE.start_main_~i~4 62), 243012#(<= ULTIMATE.start_main_~i~4 60), 243019#(<= ULTIMATE.start_main_~i~4 74), 243018#(<= ULTIMATE.start_main_~i~4 72), 243017#(<= ULTIMATE.start_main_~i~4 70), 243016#(<= ULTIMATE.start_main_~i~4 68), 243023#(<= ULTIMATE.start_main_~i~4 82), 243022#(<= ULTIMATE.start_main_~i~4 80), 243021#(<= ULTIMATE.start_main_~i~4 78), 243020#(<= ULTIMATE.start_main_~i~4 76), 243027#(<= ULTIMATE.start_main_~i~4 90), 243026#(<= ULTIMATE.start_main_~i~4 88), 243025#(<= ULTIMATE.start_main_~i~4 86), 243024#(<= ULTIMATE.start_main_~i~4 84), 243031#(<= ULTIMATE.start_main_~i~4 98), 243030#(<= ULTIMATE.start_main_~i~4 96), 243029#(<= ULTIMATE.start_main_~i~4 94), 243028#(<= ULTIMATE.start_main_~i~4 92), 243035#(<= ULTIMATE.start_main_~i~4 106), 243034#(<= ULTIMATE.start_main_~i~4 104), 243033#(<= ULTIMATE.start_main_~i~4 102), 243032#(<= ULTIMATE.start_main_~i~4 100), 243039#(<= ULTIMATE.start_main_~i~4 114), 243038#(<= ULTIMATE.start_main_~i~4 112), 243037#(<= ULTIMATE.start_main_~i~4 110), 243036#(<= ULTIMATE.start_main_~i~4 108), 243043#(<= ULTIMATE.start_main_~i~4 122), 243042#(<= ULTIMATE.start_main_~i~4 120), 243041#(<= ULTIMATE.start_main_~i~4 118), 243040#(<= ULTIMATE.start_main_~i~4 116), 243047#(<= ULTIMATE.start_main_~i~4 130), 243046#(<= ULTIMATE.start_main_~i~4 128), 243045#(<= ULTIMATE.start_main_~i~4 126), 243044#(<= ULTIMATE.start_main_~i~4 124), 243051#(<= ULTIMATE.start_main_~i~4 138), 243050#(<= ULTIMATE.start_main_~i~4 136), 243049#(<= ULTIMATE.start_main_~i~4 134), 243048#(<= ULTIMATE.start_main_~i~4 132), 243055#(<= ULTIMATE.start_main_~i~4 146), 243054#(<= ULTIMATE.start_main_~i~4 144), 243053#(<= ULTIMATE.start_main_~i~4 142), 243052#(<= ULTIMATE.start_main_~i~4 140), 243059#(<= ULTIMATE.start_main_~i~4 154), 243058#(<= ULTIMATE.start_main_~i~4 152), 243057#(<= ULTIMATE.start_main_~i~4 150), 243056#(<= ULTIMATE.start_main_~i~4 148), 243063#(<= ULTIMATE.start_main_~i~4 162), 243062#(<= ULTIMATE.start_main_~i~4 160), 243061#(<= ULTIMATE.start_main_~i~4 158), 243060#(<= ULTIMATE.start_main_~i~4 156), 243067#(<= ULTIMATE.start_main_~i~4 170), 243066#(<= ULTIMATE.start_main_~i~4 168), 243065#(<= ULTIMATE.start_main_~i~4 166), 243064#(<= ULTIMATE.start_main_~i~4 164), 243071#(<= ULTIMATE.start_main_~i~4 178), 243070#(<= ULTIMATE.start_main_~i~4 176), 243069#(<= ULTIMATE.start_main_~i~4 174), 243068#(<= ULTIMATE.start_main_~i~4 172), 243075#(<= ULTIMATE.start_main_~i~4 186), 243074#(<= ULTIMATE.start_main_~i~4 184), 243073#(<= ULTIMATE.start_main_~i~4 182), 243072#(<= ULTIMATE.start_main_~i~4 180), 243079#(<= ULTIMATE.start_main_~i~4 194), 243078#(<= ULTIMATE.start_main_~i~4 192), 243077#(<= ULTIMATE.start_main_~i~4 190), 243076#(<= ULTIMATE.start_main_~i~4 188), 243083#(<= ULTIMATE.start_main_~i~4 202), 243082#(<= ULTIMATE.start_main_~i~4 200), 243081#(<= ULTIMATE.start_main_~i~4 198), 243080#(<= ULTIMATE.start_main_~i~4 196), 243087#(<= ULTIMATE.start_main_~i~4 210), 243086#(<= ULTIMATE.start_main_~i~4 208), 243085#(<= ULTIMATE.start_main_~i~4 206), 243084#(<= ULTIMATE.start_main_~i~4 204), 243091#(<= ULTIMATE.start_main_~i~4 218), 243090#(<= ULTIMATE.start_main_~i~4 216), 243089#(<= ULTIMATE.start_main_~i~4 214), 243088#(<= ULTIMATE.start_main_~i~4 212), 243095#(<= ULTIMATE.start_main_~i~4 226), 243094#(<= ULTIMATE.start_main_~i~4 224), 243093#(<= ULTIMATE.start_main_~i~4 222), 243092#(<= ULTIMATE.start_main_~i~4 220), 243099#(<= ULTIMATE.start_main_~i~4 234), 243098#(<= ULTIMATE.start_main_~i~4 232), 243097#(<= ULTIMATE.start_main_~i~4 230), 243096#(<= ULTIMATE.start_main_~i~4 228), 243103#(<= ULTIMATE.start_main_~i~4 242), 243102#(<= ULTIMATE.start_main_~i~4 240), 243101#(<= ULTIMATE.start_main_~i~4 238), 243100#(<= ULTIMATE.start_main_~i~4 236), 243107#(<= ULTIMATE.start_main_~i~4 250), 243106#(<= ULTIMATE.start_main_~i~4 248), 243105#(<= ULTIMATE.start_main_~i~4 246), 243104#(<= ULTIMATE.start_main_~i~4 244), 243111#(<= ULTIMATE.start_main_~i~4 258), 243110#(<= ULTIMATE.start_main_~i~4 256), 243109#(<= ULTIMATE.start_main_~i~4 254), 243108#(<= ULTIMATE.start_main_~i~4 252), 243115#(<= ULTIMATE.start_main_~i~4 266), 243114#(<= ULTIMATE.start_main_~i~4 264), 243113#(<= ULTIMATE.start_main_~i~4 262), 243112#(<= ULTIMATE.start_main_~i~4 260), 243119#(<= ULTIMATE.start_main_~i~4 274), 243118#(<= ULTIMATE.start_main_~i~4 272), 243117#(<= ULTIMATE.start_main_~i~4 270), 243116#(<= ULTIMATE.start_main_~i~4 268), 243123#(<= ULTIMATE.start_main_~i~4 282), 243122#(<= ULTIMATE.start_main_~i~4 280), 243121#(<= ULTIMATE.start_main_~i~4 278), 243120#(<= ULTIMATE.start_main_~i~4 276), 243127#(<= ULTIMATE.start_main_~i~4 290), 243126#(<= ULTIMATE.start_main_~i~4 288), 243125#(<= ULTIMATE.start_main_~i~4 286), 243124#(<= ULTIMATE.start_main_~i~4 284), 243131#(<= ULTIMATE.start_main_~i~4 298), 243130#(<= ULTIMATE.start_main_~i~4 296), 243129#(<= ULTIMATE.start_main_~i~4 294), 243128#(<= ULTIMATE.start_main_~i~4 292), 243135#(<= ULTIMATE.start_main_~i~4 306), 243134#(<= ULTIMATE.start_main_~i~4 304), 243133#(<= ULTIMATE.start_main_~i~4 302), 243132#(<= ULTIMATE.start_main_~i~4 300), 243139#(<= ULTIMATE.start_main_~i~4 314), 243138#(<= ULTIMATE.start_main_~i~4 312), 243137#(<= ULTIMATE.start_main_~i~4 310), 243136#(<= ULTIMATE.start_main_~i~4 308), 243143#(<= ULTIMATE.start_main_~i~4 322), 243142#(<= ULTIMATE.start_main_~i~4 320), 243141#(<= ULTIMATE.start_main_~i~4 318), 243140#(<= ULTIMATE.start_main_~i~4 316), 243147#(<= ULTIMATE.start_main_~i~4 330), 243146#(<= ULTIMATE.start_main_~i~4 328), 243145#(<= ULTIMATE.start_main_~i~4 326), 243144#(<= ULTIMATE.start_main_~i~4 324), 243151#(<= ULTIMATE.start_main_~i~4 338), 243150#(<= ULTIMATE.start_main_~i~4 336), 243149#(<= ULTIMATE.start_main_~i~4 334), 243148#(<= ULTIMATE.start_main_~i~4 332), 243155#(<= ULTIMATE.start_main_~i~4 346), 243154#(<= ULTIMATE.start_main_~i~4 344), 243153#(<= ULTIMATE.start_main_~i~4 342), 243152#(<= ULTIMATE.start_main_~i~4 340), 243159#(<= ULTIMATE.start_main_~i~4 354), 243158#(<= ULTIMATE.start_main_~i~4 352), 243157#(<= ULTIMATE.start_main_~i~4 350), 243156#(<= ULTIMATE.start_main_~i~4 348), 243163#(<= ULTIMATE.start_main_~i~4 362), 243162#(<= ULTIMATE.start_main_~i~4 360), 243161#(<= ULTIMATE.start_main_~i~4 358), 243160#(<= ULTIMATE.start_main_~i~4 356), 243167#(<= ULTIMATE.start_main_~i~4 370), 243166#(<= ULTIMATE.start_main_~i~4 368), 243165#(<= ULTIMATE.start_main_~i~4 366), 243164#(<= ULTIMATE.start_main_~i~4 364), 243171#(<= ULTIMATE.start_main_~i~4 378), 243170#(<= ULTIMATE.start_main_~i~4 376), 243169#(<= ULTIMATE.start_main_~i~4 374), 243168#(<= ULTIMATE.start_main_~i~4 372), 243175#(<= ULTIMATE.start_main_~i~4 386), 243174#(<= ULTIMATE.start_main_~i~4 384), 243173#(<= ULTIMATE.start_main_~i~4 382), 243172#(<= ULTIMATE.start_main_~i~4 380), 243179#(<= ULTIMATE.start_main_~i~4 394), 243178#(<= ULTIMATE.start_main_~i~4 392), 243177#(<= ULTIMATE.start_main_~i~4 390), 243176#(<= ULTIMATE.start_main_~i~4 388), 243183#(<= ULTIMATE.start_main_~i~4 402), 243182#(<= ULTIMATE.start_main_~i~4 400), 243181#(<= ULTIMATE.start_main_~i~4 398), 243180#(<= ULTIMATE.start_main_~i~4 396), 243187#(<= ULTIMATE.start_main_~i~4 410), 243186#(<= ULTIMATE.start_main_~i~4 408), 243185#(<= ULTIMATE.start_main_~i~4 406), 243184#(<= ULTIMATE.start_main_~i~4 404), 243191#(<= ULTIMATE.start_main_~i~4 418), 243190#(<= ULTIMATE.start_main_~i~4 416), 243189#(<= ULTIMATE.start_main_~i~4 414), 243188#(<= ULTIMATE.start_main_~i~4 412), 243195#(<= ULTIMATE.start_main_~i~4 426), 243194#(<= ULTIMATE.start_main_~i~4 424), 243193#(<= ULTIMATE.start_main_~i~4 422), 243192#(<= ULTIMATE.start_main_~i~4 420), 243199#(<= ULTIMATE.start_main_~i~4 434), 243198#(<= ULTIMATE.start_main_~i~4 432), 243197#(<= ULTIMATE.start_main_~i~4 430), 243196#(<= ULTIMATE.start_main_~i~4 428)] [2018-07-23 13:49:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 52670 backedges. 0 proven. 52670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:02,588 INFO L450 AbstractCegarLoop]: Interpolant automaton has 232 states [2018-07-23 13:49:02,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 232 interpolants. [2018-07-23 13:49:02,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:49:02,591 INFO L87 Difference]: Start difference. First operand 463 states and 463 transitions. Second operand 232 states. [2018-07-23 13:49:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:05,360 INFO L93 Difference]: Finished difference Result 467 states and 467 transitions. [2018-07-23 13:49:05,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2018-07-23 13:49:05,360 INFO L78 Accepts]: Start accepts. Automaton has 232 states. Word has length 462 [2018-07-23 13:49:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:05,361 INFO L225 Difference]: With dead ends: 467 [2018-07-23 13:49:05,361 INFO L226 Difference]: Without dead ends: 465 [2018-07-23 13:49:05,363 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26796, Invalid=26796, Unknown=0, NotChecked=0, Total=53592 [2018-07-23 13:49:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-07-23 13:49:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2018-07-23 13:49:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-07-23 13:49:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 465 transitions. [2018-07-23 13:49:05,367 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 465 transitions. Word has length 462 [2018-07-23 13:49:05,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:05,367 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 465 transitions. [2018-07-23 13:49:05,367 INFO L472 AbstractCegarLoop]: Interpolant automaton has 232 states. [2018-07-23 13:49:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 465 transitions. [2018-07-23 13:49:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-07-23 13:49:05,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:05,369 INFO L357 BasicCegarLoop]: trace histogram [231, 230, 1, 1, 1] [2018-07-23 13:49:05,369 INFO L414 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:05,369 INFO L82 PathProgramCache]: Analyzing trace with hash 698563427, now seen corresponding path program 230 times [2018-07-23 13:49:05,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 0 proven. 53130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:06,986 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:06,987 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [232] total 232 [2018-07-23 13:49:06,987 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:06,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:06,988 INFO L185 omatonBuilderFactory]: Interpolants [245251#(<= ULTIMATE.start_main_~i~4 346), 245250#(<= ULTIMATE.start_main_~i~4 344), 245249#(<= ULTIMATE.start_main_~i~4 342), 245248#(<= ULTIMATE.start_main_~i~4 340), 245255#(<= ULTIMATE.start_main_~i~4 354), 245254#(<= ULTIMATE.start_main_~i~4 352), 245253#(<= ULTIMATE.start_main_~i~4 350), 245252#(<= ULTIMATE.start_main_~i~4 348), 245259#(<= ULTIMATE.start_main_~i~4 362), 245258#(<= ULTIMATE.start_main_~i~4 360), 245257#(<= ULTIMATE.start_main_~i~4 358), 245256#(<= ULTIMATE.start_main_~i~4 356), 245263#(<= ULTIMATE.start_main_~i~4 370), 245262#(<= ULTIMATE.start_main_~i~4 368), 245261#(<= ULTIMATE.start_main_~i~4 366), 245260#(<= ULTIMATE.start_main_~i~4 364), 245267#(<= ULTIMATE.start_main_~i~4 378), 245266#(<= ULTIMATE.start_main_~i~4 376), 245265#(<= ULTIMATE.start_main_~i~4 374), 245264#(<= ULTIMATE.start_main_~i~4 372), 245271#(<= ULTIMATE.start_main_~i~4 386), 245270#(<= ULTIMATE.start_main_~i~4 384), 245269#(<= ULTIMATE.start_main_~i~4 382), 245268#(<= ULTIMATE.start_main_~i~4 380), 245275#(<= ULTIMATE.start_main_~i~4 394), 245274#(<= ULTIMATE.start_main_~i~4 392), 245273#(<= ULTIMATE.start_main_~i~4 390), 245272#(<= ULTIMATE.start_main_~i~4 388), 245279#(<= ULTIMATE.start_main_~i~4 402), 245278#(<= ULTIMATE.start_main_~i~4 400), 245277#(<= ULTIMATE.start_main_~i~4 398), 245276#(<= ULTIMATE.start_main_~i~4 396), 245283#(<= ULTIMATE.start_main_~i~4 410), 245282#(<= ULTIMATE.start_main_~i~4 408), 245281#(<= ULTIMATE.start_main_~i~4 406), 245280#(<= ULTIMATE.start_main_~i~4 404), 245287#(<= ULTIMATE.start_main_~i~4 418), 245286#(<= ULTIMATE.start_main_~i~4 416), 245285#(<= ULTIMATE.start_main_~i~4 414), 245284#(<= ULTIMATE.start_main_~i~4 412), 245291#(<= ULTIMATE.start_main_~i~4 426), 245290#(<= ULTIMATE.start_main_~i~4 424), 245289#(<= ULTIMATE.start_main_~i~4 422), 245288#(<= ULTIMATE.start_main_~i~4 420), 245295#(<= ULTIMATE.start_main_~i~4 434), 245294#(<= ULTIMATE.start_main_~i~4 432), 245293#(<= ULTIMATE.start_main_~i~4 430), 245292#(<= ULTIMATE.start_main_~i~4 428), 245299#(<= ULTIMATE.start_main_~i~4 442), 245298#(<= ULTIMATE.start_main_~i~4 440), 245297#(<= ULTIMATE.start_main_~i~4 438), 245296#(<= ULTIMATE.start_main_~i~4 436), 245303#(<= ULTIMATE.start_main_~i~4 450), 245302#(<= ULTIMATE.start_main_~i~4 448), 245301#(<= ULTIMATE.start_main_~i~4 446), 245300#(<= ULTIMATE.start_main_~i~4 444), 245307#(<= ULTIMATE.start_main_~i~4 458), 245306#(<= ULTIMATE.start_main_~i~4 456), 245305#(<= ULTIMATE.start_main_~i~4 454), 245304#(<= ULTIMATE.start_main_~i~4 452), 245308#(<= ULTIMATE.start_main_~i~4 460), 245079#(<= ULTIMATE.start_main_~i~4 2), 245078#(<= ULTIMATE.start_main_~i~4 0), 245077#false, 245076#true, 245083#(<= ULTIMATE.start_main_~i~4 10), 245082#(<= ULTIMATE.start_main_~i~4 8), 245081#(<= ULTIMATE.start_main_~i~4 6), 245080#(<= ULTIMATE.start_main_~i~4 4), 245087#(<= ULTIMATE.start_main_~i~4 18), 245086#(<= ULTIMATE.start_main_~i~4 16), 245085#(<= ULTIMATE.start_main_~i~4 14), 245084#(<= ULTIMATE.start_main_~i~4 12), 245091#(<= ULTIMATE.start_main_~i~4 26), 245090#(<= ULTIMATE.start_main_~i~4 24), 245089#(<= ULTIMATE.start_main_~i~4 22), 245088#(<= ULTIMATE.start_main_~i~4 20), 245095#(<= ULTIMATE.start_main_~i~4 34), 245094#(<= ULTIMATE.start_main_~i~4 32), 245093#(<= ULTIMATE.start_main_~i~4 30), 245092#(<= ULTIMATE.start_main_~i~4 28), 245099#(<= ULTIMATE.start_main_~i~4 42), 245098#(<= ULTIMATE.start_main_~i~4 40), 245097#(<= ULTIMATE.start_main_~i~4 38), 245096#(<= ULTIMATE.start_main_~i~4 36), 245103#(<= ULTIMATE.start_main_~i~4 50), 245102#(<= ULTIMATE.start_main_~i~4 48), 245101#(<= ULTIMATE.start_main_~i~4 46), 245100#(<= ULTIMATE.start_main_~i~4 44), 245107#(<= ULTIMATE.start_main_~i~4 58), 245106#(<= ULTIMATE.start_main_~i~4 56), 245105#(<= ULTIMATE.start_main_~i~4 54), 245104#(<= ULTIMATE.start_main_~i~4 52), 245111#(<= ULTIMATE.start_main_~i~4 66), 245110#(<= ULTIMATE.start_main_~i~4 64), 245109#(<= ULTIMATE.start_main_~i~4 62), 245108#(<= ULTIMATE.start_main_~i~4 60), 245115#(<= ULTIMATE.start_main_~i~4 74), 245114#(<= ULTIMATE.start_main_~i~4 72), 245113#(<= ULTIMATE.start_main_~i~4 70), 245112#(<= ULTIMATE.start_main_~i~4 68), 245119#(<= ULTIMATE.start_main_~i~4 82), 245118#(<= ULTIMATE.start_main_~i~4 80), 245117#(<= ULTIMATE.start_main_~i~4 78), 245116#(<= ULTIMATE.start_main_~i~4 76), 245123#(<= ULTIMATE.start_main_~i~4 90), 245122#(<= ULTIMATE.start_main_~i~4 88), 245121#(<= ULTIMATE.start_main_~i~4 86), 245120#(<= ULTIMATE.start_main_~i~4 84), 245127#(<= ULTIMATE.start_main_~i~4 98), 245126#(<= ULTIMATE.start_main_~i~4 96), 245125#(<= ULTIMATE.start_main_~i~4 94), 245124#(<= ULTIMATE.start_main_~i~4 92), 245131#(<= ULTIMATE.start_main_~i~4 106), 245130#(<= ULTIMATE.start_main_~i~4 104), 245129#(<= ULTIMATE.start_main_~i~4 102), 245128#(<= ULTIMATE.start_main_~i~4 100), 245135#(<= ULTIMATE.start_main_~i~4 114), 245134#(<= ULTIMATE.start_main_~i~4 112), 245133#(<= ULTIMATE.start_main_~i~4 110), 245132#(<= ULTIMATE.start_main_~i~4 108), 245139#(<= ULTIMATE.start_main_~i~4 122), 245138#(<= ULTIMATE.start_main_~i~4 120), 245137#(<= ULTIMATE.start_main_~i~4 118), 245136#(<= ULTIMATE.start_main_~i~4 116), 245143#(<= ULTIMATE.start_main_~i~4 130), 245142#(<= ULTIMATE.start_main_~i~4 128), 245141#(<= ULTIMATE.start_main_~i~4 126), 245140#(<= ULTIMATE.start_main_~i~4 124), 245147#(<= ULTIMATE.start_main_~i~4 138), 245146#(<= ULTIMATE.start_main_~i~4 136), 245145#(<= ULTIMATE.start_main_~i~4 134), 245144#(<= ULTIMATE.start_main_~i~4 132), 245151#(<= ULTIMATE.start_main_~i~4 146), 245150#(<= ULTIMATE.start_main_~i~4 144), 245149#(<= ULTIMATE.start_main_~i~4 142), 245148#(<= ULTIMATE.start_main_~i~4 140), 245155#(<= ULTIMATE.start_main_~i~4 154), 245154#(<= ULTIMATE.start_main_~i~4 152), 245153#(<= ULTIMATE.start_main_~i~4 150), 245152#(<= ULTIMATE.start_main_~i~4 148), 245159#(<= ULTIMATE.start_main_~i~4 162), 245158#(<= ULTIMATE.start_main_~i~4 160), 245157#(<= ULTIMATE.start_main_~i~4 158), 245156#(<= ULTIMATE.start_main_~i~4 156), 245163#(<= ULTIMATE.start_main_~i~4 170), 245162#(<= ULTIMATE.start_main_~i~4 168), 245161#(<= ULTIMATE.start_main_~i~4 166), 245160#(<= ULTIMATE.start_main_~i~4 164), 245167#(<= ULTIMATE.start_main_~i~4 178), 245166#(<= ULTIMATE.start_main_~i~4 176), 245165#(<= ULTIMATE.start_main_~i~4 174), 245164#(<= ULTIMATE.start_main_~i~4 172), 245171#(<= ULTIMATE.start_main_~i~4 186), 245170#(<= ULTIMATE.start_main_~i~4 184), 245169#(<= ULTIMATE.start_main_~i~4 182), 245168#(<= ULTIMATE.start_main_~i~4 180), 245175#(<= ULTIMATE.start_main_~i~4 194), 245174#(<= ULTIMATE.start_main_~i~4 192), 245173#(<= ULTIMATE.start_main_~i~4 190), 245172#(<= ULTIMATE.start_main_~i~4 188), 245179#(<= ULTIMATE.start_main_~i~4 202), 245178#(<= ULTIMATE.start_main_~i~4 200), 245177#(<= ULTIMATE.start_main_~i~4 198), 245176#(<= ULTIMATE.start_main_~i~4 196), 245183#(<= ULTIMATE.start_main_~i~4 210), 245182#(<= ULTIMATE.start_main_~i~4 208), 245181#(<= ULTIMATE.start_main_~i~4 206), 245180#(<= ULTIMATE.start_main_~i~4 204), 245187#(<= ULTIMATE.start_main_~i~4 218), 245186#(<= ULTIMATE.start_main_~i~4 216), 245185#(<= ULTIMATE.start_main_~i~4 214), 245184#(<= ULTIMATE.start_main_~i~4 212), 245191#(<= ULTIMATE.start_main_~i~4 226), 245190#(<= ULTIMATE.start_main_~i~4 224), 245189#(<= ULTIMATE.start_main_~i~4 222), 245188#(<= ULTIMATE.start_main_~i~4 220), 245195#(<= ULTIMATE.start_main_~i~4 234), 245194#(<= ULTIMATE.start_main_~i~4 232), 245193#(<= ULTIMATE.start_main_~i~4 230), 245192#(<= ULTIMATE.start_main_~i~4 228), 245199#(<= ULTIMATE.start_main_~i~4 242), 245198#(<= ULTIMATE.start_main_~i~4 240), 245197#(<= ULTIMATE.start_main_~i~4 238), 245196#(<= ULTIMATE.start_main_~i~4 236), 245203#(<= ULTIMATE.start_main_~i~4 250), 245202#(<= ULTIMATE.start_main_~i~4 248), 245201#(<= ULTIMATE.start_main_~i~4 246), 245200#(<= ULTIMATE.start_main_~i~4 244), 245207#(<= ULTIMATE.start_main_~i~4 258), 245206#(<= ULTIMATE.start_main_~i~4 256), 245205#(<= ULTIMATE.start_main_~i~4 254), 245204#(<= ULTIMATE.start_main_~i~4 252), 245211#(<= ULTIMATE.start_main_~i~4 266), 245210#(<= ULTIMATE.start_main_~i~4 264), 245209#(<= ULTIMATE.start_main_~i~4 262), 245208#(<= ULTIMATE.start_main_~i~4 260), 245215#(<= ULTIMATE.start_main_~i~4 274), 245214#(<= ULTIMATE.start_main_~i~4 272), 245213#(<= ULTIMATE.start_main_~i~4 270), 245212#(<= ULTIMATE.start_main_~i~4 268), 245219#(<= ULTIMATE.start_main_~i~4 282), 245218#(<= ULTIMATE.start_main_~i~4 280), 245217#(<= ULTIMATE.start_main_~i~4 278), 245216#(<= ULTIMATE.start_main_~i~4 276), 245223#(<= ULTIMATE.start_main_~i~4 290), 245222#(<= ULTIMATE.start_main_~i~4 288), 245221#(<= ULTIMATE.start_main_~i~4 286), 245220#(<= ULTIMATE.start_main_~i~4 284), 245227#(<= ULTIMATE.start_main_~i~4 298), 245226#(<= ULTIMATE.start_main_~i~4 296), 245225#(<= ULTIMATE.start_main_~i~4 294), 245224#(<= ULTIMATE.start_main_~i~4 292), 245231#(<= ULTIMATE.start_main_~i~4 306), 245230#(<= ULTIMATE.start_main_~i~4 304), 245229#(<= ULTIMATE.start_main_~i~4 302), 245228#(<= ULTIMATE.start_main_~i~4 300), 245235#(<= ULTIMATE.start_main_~i~4 314), 245234#(<= ULTIMATE.start_main_~i~4 312), 245233#(<= ULTIMATE.start_main_~i~4 310), 245232#(<= ULTIMATE.start_main_~i~4 308), 245239#(<= ULTIMATE.start_main_~i~4 322), 245238#(<= ULTIMATE.start_main_~i~4 320), 245237#(<= ULTIMATE.start_main_~i~4 318), 245236#(<= ULTIMATE.start_main_~i~4 316), 245243#(<= ULTIMATE.start_main_~i~4 330), 245242#(<= ULTIMATE.start_main_~i~4 328), 245241#(<= ULTIMATE.start_main_~i~4 326), 245240#(<= ULTIMATE.start_main_~i~4 324), 245247#(<= ULTIMATE.start_main_~i~4 338), 245246#(<= ULTIMATE.start_main_~i~4 336), 245245#(<= ULTIMATE.start_main_~i~4 334), 245244#(<= ULTIMATE.start_main_~i~4 332)] [2018-07-23 13:49:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 0 proven. 53130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:06,990 INFO L450 AbstractCegarLoop]: Interpolant automaton has 233 states [2018-07-23 13:49:06,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2018-07-23 13:49:06,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:49:06,996 INFO L87 Difference]: Start difference. First operand 465 states and 465 transitions. Second operand 233 states. [2018-07-23 13:49:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:08,265 INFO L93 Difference]: Finished difference Result 469 states and 469 transitions. [2018-07-23 13:49:08,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2018-07-23 13:49:08,265 INFO L78 Accepts]: Start accepts. Automaton has 233 states. Word has length 464 [2018-07-23 13:49:08,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:08,266 INFO L225 Difference]: With dead ends: 469 [2018-07-23 13:49:08,266 INFO L226 Difference]: Without dead ends: 467 [2018-07-23 13:49:08,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27028, Invalid=27028, Unknown=0, NotChecked=0, Total=54056 [2018-07-23 13:49:08,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-07-23 13:49:08,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2018-07-23 13:49:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-07-23 13:49:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 467 transitions. [2018-07-23 13:49:08,272 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 467 transitions. Word has length 464 [2018-07-23 13:49:08,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:08,273 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 467 transitions. [2018-07-23 13:49:08,273 INFO L472 AbstractCegarLoop]: Interpolant automaton has 233 states. [2018-07-23 13:49:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 467 transitions. [2018-07-23 13:49:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-07-23 13:49:08,274 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:08,274 INFO L357 BasicCegarLoop]: trace histogram [232, 231, 1, 1, 1] [2018-07-23 13:49:08,274 INFO L414 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:08,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1304607261, now seen corresponding path program 231 times [2018-07-23 13:49:08,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 53592 backedges. 0 proven. 53592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:09,866 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:09,866 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [233] total 233 [2018-07-23 13:49:09,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:09,867 INFO L185 omatonBuilderFactory]: Interpolants [247299#(<= ULTIMATE.start_main_~i~4 232), 247298#(<= ULTIMATE.start_main_~i~4 230), 247297#(<= ULTIMATE.start_main_~i~4 228), 247296#(<= ULTIMATE.start_main_~i~4 226), 247303#(<= ULTIMATE.start_main_~i~4 240), 247302#(<= ULTIMATE.start_main_~i~4 238), 247301#(<= ULTIMATE.start_main_~i~4 236), 247300#(<= ULTIMATE.start_main_~i~4 234), 247307#(<= ULTIMATE.start_main_~i~4 248), 247306#(<= ULTIMATE.start_main_~i~4 246), 247305#(<= ULTIMATE.start_main_~i~4 244), 247304#(<= ULTIMATE.start_main_~i~4 242), 247311#(<= ULTIMATE.start_main_~i~4 256), 247310#(<= ULTIMATE.start_main_~i~4 254), 247309#(<= ULTIMATE.start_main_~i~4 252), 247308#(<= ULTIMATE.start_main_~i~4 250), 247315#(<= ULTIMATE.start_main_~i~4 264), 247314#(<= ULTIMATE.start_main_~i~4 262), 247313#(<= ULTIMATE.start_main_~i~4 260), 247312#(<= ULTIMATE.start_main_~i~4 258), 247319#(<= ULTIMATE.start_main_~i~4 272), 247318#(<= ULTIMATE.start_main_~i~4 270), 247317#(<= ULTIMATE.start_main_~i~4 268), 247316#(<= ULTIMATE.start_main_~i~4 266), 247323#(<= ULTIMATE.start_main_~i~4 280), 247322#(<= ULTIMATE.start_main_~i~4 278), 247321#(<= ULTIMATE.start_main_~i~4 276), 247320#(<= ULTIMATE.start_main_~i~4 274), 247327#(<= ULTIMATE.start_main_~i~4 288), 247326#(<= ULTIMATE.start_main_~i~4 286), 247325#(<= ULTIMATE.start_main_~i~4 284), 247324#(<= ULTIMATE.start_main_~i~4 282), 247331#(<= ULTIMATE.start_main_~i~4 296), 247330#(<= ULTIMATE.start_main_~i~4 294), 247329#(<= ULTIMATE.start_main_~i~4 292), 247328#(<= ULTIMATE.start_main_~i~4 290), 247335#(<= ULTIMATE.start_main_~i~4 304), 247334#(<= ULTIMATE.start_main_~i~4 302), 247333#(<= ULTIMATE.start_main_~i~4 300), 247332#(<= ULTIMATE.start_main_~i~4 298), 247339#(<= ULTIMATE.start_main_~i~4 312), 247338#(<= ULTIMATE.start_main_~i~4 310), 247337#(<= ULTIMATE.start_main_~i~4 308), 247336#(<= ULTIMATE.start_main_~i~4 306), 247343#(<= ULTIMATE.start_main_~i~4 320), 247342#(<= ULTIMATE.start_main_~i~4 318), 247341#(<= ULTIMATE.start_main_~i~4 316), 247340#(<= ULTIMATE.start_main_~i~4 314), 247347#(<= ULTIMATE.start_main_~i~4 328), 247346#(<= ULTIMATE.start_main_~i~4 326), 247345#(<= ULTIMATE.start_main_~i~4 324), 247344#(<= ULTIMATE.start_main_~i~4 322), 247351#(<= ULTIMATE.start_main_~i~4 336), 247350#(<= ULTIMATE.start_main_~i~4 334), 247349#(<= ULTIMATE.start_main_~i~4 332), 247348#(<= ULTIMATE.start_main_~i~4 330), 247355#(<= ULTIMATE.start_main_~i~4 344), 247354#(<= ULTIMATE.start_main_~i~4 342), 247353#(<= ULTIMATE.start_main_~i~4 340), 247352#(<= ULTIMATE.start_main_~i~4 338), 247359#(<= ULTIMATE.start_main_~i~4 352), 247358#(<= ULTIMATE.start_main_~i~4 350), 247357#(<= ULTIMATE.start_main_~i~4 348), 247356#(<= ULTIMATE.start_main_~i~4 346), 247363#(<= ULTIMATE.start_main_~i~4 360), 247362#(<= ULTIMATE.start_main_~i~4 358), 247361#(<= ULTIMATE.start_main_~i~4 356), 247360#(<= ULTIMATE.start_main_~i~4 354), 247367#(<= ULTIMATE.start_main_~i~4 368), 247366#(<= ULTIMATE.start_main_~i~4 366), 247365#(<= ULTIMATE.start_main_~i~4 364), 247364#(<= ULTIMATE.start_main_~i~4 362), 247371#(<= ULTIMATE.start_main_~i~4 376), 247370#(<= ULTIMATE.start_main_~i~4 374), 247369#(<= ULTIMATE.start_main_~i~4 372), 247368#(<= ULTIMATE.start_main_~i~4 370), 247375#(<= ULTIMATE.start_main_~i~4 384), 247374#(<= ULTIMATE.start_main_~i~4 382), 247373#(<= ULTIMATE.start_main_~i~4 380), 247372#(<= ULTIMATE.start_main_~i~4 378), 247379#(<= ULTIMATE.start_main_~i~4 392), 247378#(<= ULTIMATE.start_main_~i~4 390), 247377#(<= ULTIMATE.start_main_~i~4 388), 247376#(<= ULTIMATE.start_main_~i~4 386), 247383#(<= ULTIMATE.start_main_~i~4 400), 247382#(<= ULTIMATE.start_main_~i~4 398), 247381#(<= ULTIMATE.start_main_~i~4 396), 247380#(<= ULTIMATE.start_main_~i~4 394), 247387#(<= ULTIMATE.start_main_~i~4 408), 247386#(<= ULTIMATE.start_main_~i~4 406), 247385#(<= ULTIMATE.start_main_~i~4 404), 247384#(<= ULTIMATE.start_main_~i~4 402), 247391#(<= ULTIMATE.start_main_~i~4 416), 247390#(<= ULTIMATE.start_main_~i~4 414), 247389#(<= ULTIMATE.start_main_~i~4 412), 247388#(<= ULTIMATE.start_main_~i~4 410), 247395#(<= ULTIMATE.start_main_~i~4 424), 247394#(<= ULTIMATE.start_main_~i~4 422), 247393#(<= ULTIMATE.start_main_~i~4 420), 247392#(<= ULTIMATE.start_main_~i~4 418), 247399#(<= ULTIMATE.start_main_~i~4 432), 247398#(<= ULTIMATE.start_main_~i~4 430), 247397#(<= ULTIMATE.start_main_~i~4 428), 247396#(<= ULTIMATE.start_main_~i~4 426), 247403#(<= ULTIMATE.start_main_~i~4 440), 247402#(<= ULTIMATE.start_main_~i~4 438), 247401#(<= ULTIMATE.start_main_~i~4 436), 247400#(<= ULTIMATE.start_main_~i~4 434), 247407#(<= ULTIMATE.start_main_~i~4 448), 247406#(<= ULTIMATE.start_main_~i~4 446), 247405#(<= ULTIMATE.start_main_~i~4 444), 247404#(<= ULTIMATE.start_main_~i~4 442), 247411#(<= ULTIMATE.start_main_~i~4 456), 247410#(<= ULTIMATE.start_main_~i~4 454), 247409#(<= ULTIMATE.start_main_~i~4 452), 247408#(<= ULTIMATE.start_main_~i~4 450), 247414#(<= ULTIMATE.start_main_~i~4 462), 247413#(<= ULTIMATE.start_main_~i~4 460), 247412#(<= ULTIMATE.start_main_~i~4 458), 247183#(<= ULTIMATE.start_main_~i~4 0), 247182#false, 247181#true, 247187#(<= ULTIMATE.start_main_~i~4 8), 247186#(<= ULTIMATE.start_main_~i~4 6), 247185#(<= ULTIMATE.start_main_~i~4 4), 247184#(<= ULTIMATE.start_main_~i~4 2), 247191#(<= ULTIMATE.start_main_~i~4 16), 247190#(<= ULTIMATE.start_main_~i~4 14), 247189#(<= ULTIMATE.start_main_~i~4 12), 247188#(<= ULTIMATE.start_main_~i~4 10), 247195#(<= ULTIMATE.start_main_~i~4 24), 247194#(<= ULTIMATE.start_main_~i~4 22), 247193#(<= ULTIMATE.start_main_~i~4 20), 247192#(<= ULTIMATE.start_main_~i~4 18), 247199#(<= ULTIMATE.start_main_~i~4 32), 247198#(<= ULTIMATE.start_main_~i~4 30), 247197#(<= ULTIMATE.start_main_~i~4 28), 247196#(<= ULTIMATE.start_main_~i~4 26), 247203#(<= ULTIMATE.start_main_~i~4 40), 247202#(<= ULTIMATE.start_main_~i~4 38), 247201#(<= ULTIMATE.start_main_~i~4 36), 247200#(<= ULTIMATE.start_main_~i~4 34), 247207#(<= ULTIMATE.start_main_~i~4 48), 247206#(<= ULTIMATE.start_main_~i~4 46), 247205#(<= ULTIMATE.start_main_~i~4 44), 247204#(<= ULTIMATE.start_main_~i~4 42), 247211#(<= ULTIMATE.start_main_~i~4 56), 247210#(<= ULTIMATE.start_main_~i~4 54), 247209#(<= ULTIMATE.start_main_~i~4 52), 247208#(<= ULTIMATE.start_main_~i~4 50), 247215#(<= ULTIMATE.start_main_~i~4 64), 247214#(<= ULTIMATE.start_main_~i~4 62), 247213#(<= ULTIMATE.start_main_~i~4 60), 247212#(<= ULTIMATE.start_main_~i~4 58), 247219#(<= ULTIMATE.start_main_~i~4 72), 247218#(<= ULTIMATE.start_main_~i~4 70), 247217#(<= ULTIMATE.start_main_~i~4 68), 247216#(<= ULTIMATE.start_main_~i~4 66), 247223#(<= ULTIMATE.start_main_~i~4 80), 247222#(<= ULTIMATE.start_main_~i~4 78), 247221#(<= ULTIMATE.start_main_~i~4 76), 247220#(<= ULTIMATE.start_main_~i~4 74), 247227#(<= ULTIMATE.start_main_~i~4 88), 247226#(<= ULTIMATE.start_main_~i~4 86), 247225#(<= ULTIMATE.start_main_~i~4 84), 247224#(<= ULTIMATE.start_main_~i~4 82), 247231#(<= ULTIMATE.start_main_~i~4 96), 247230#(<= ULTIMATE.start_main_~i~4 94), 247229#(<= ULTIMATE.start_main_~i~4 92), 247228#(<= ULTIMATE.start_main_~i~4 90), 247235#(<= ULTIMATE.start_main_~i~4 104), 247234#(<= ULTIMATE.start_main_~i~4 102), 247233#(<= ULTIMATE.start_main_~i~4 100), 247232#(<= ULTIMATE.start_main_~i~4 98), 247239#(<= ULTIMATE.start_main_~i~4 112), 247238#(<= ULTIMATE.start_main_~i~4 110), 247237#(<= ULTIMATE.start_main_~i~4 108), 247236#(<= ULTIMATE.start_main_~i~4 106), 247243#(<= ULTIMATE.start_main_~i~4 120), 247242#(<= ULTIMATE.start_main_~i~4 118), 247241#(<= ULTIMATE.start_main_~i~4 116), 247240#(<= ULTIMATE.start_main_~i~4 114), 247247#(<= ULTIMATE.start_main_~i~4 128), 247246#(<= ULTIMATE.start_main_~i~4 126), 247245#(<= ULTIMATE.start_main_~i~4 124), 247244#(<= ULTIMATE.start_main_~i~4 122), 247251#(<= ULTIMATE.start_main_~i~4 136), 247250#(<= ULTIMATE.start_main_~i~4 134), 247249#(<= ULTIMATE.start_main_~i~4 132), 247248#(<= ULTIMATE.start_main_~i~4 130), 247255#(<= ULTIMATE.start_main_~i~4 144), 247254#(<= ULTIMATE.start_main_~i~4 142), 247253#(<= ULTIMATE.start_main_~i~4 140), 247252#(<= ULTIMATE.start_main_~i~4 138), 247259#(<= ULTIMATE.start_main_~i~4 152), 247258#(<= ULTIMATE.start_main_~i~4 150), 247257#(<= ULTIMATE.start_main_~i~4 148), 247256#(<= ULTIMATE.start_main_~i~4 146), 247263#(<= ULTIMATE.start_main_~i~4 160), 247262#(<= ULTIMATE.start_main_~i~4 158), 247261#(<= ULTIMATE.start_main_~i~4 156), 247260#(<= ULTIMATE.start_main_~i~4 154), 247267#(<= ULTIMATE.start_main_~i~4 168), 247266#(<= ULTIMATE.start_main_~i~4 166), 247265#(<= ULTIMATE.start_main_~i~4 164), 247264#(<= ULTIMATE.start_main_~i~4 162), 247271#(<= ULTIMATE.start_main_~i~4 176), 247270#(<= ULTIMATE.start_main_~i~4 174), 247269#(<= ULTIMATE.start_main_~i~4 172), 247268#(<= ULTIMATE.start_main_~i~4 170), 247275#(<= ULTIMATE.start_main_~i~4 184), 247274#(<= ULTIMATE.start_main_~i~4 182), 247273#(<= ULTIMATE.start_main_~i~4 180), 247272#(<= ULTIMATE.start_main_~i~4 178), 247279#(<= ULTIMATE.start_main_~i~4 192), 247278#(<= ULTIMATE.start_main_~i~4 190), 247277#(<= ULTIMATE.start_main_~i~4 188), 247276#(<= ULTIMATE.start_main_~i~4 186), 247283#(<= ULTIMATE.start_main_~i~4 200), 247282#(<= ULTIMATE.start_main_~i~4 198), 247281#(<= ULTIMATE.start_main_~i~4 196), 247280#(<= ULTIMATE.start_main_~i~4 194), 247287#(<= ULTIMATE.start_main_~i~4 208), 247286#(<= ULTIMATE.start_main_~i~4 206), 247285#(<= ULTIMATE.start_main_~i~4 204), 247284#(<= ULTIMATE.start_main_~i~4 202), 247291#(<= ULTIMATE.start_main_~i~4 216), 247290#(<= ULTIMATE.start_main_~i~4 214), 247289#(<= ULTIMATE.start_main_~i~4 212), 247288#(<= ULTIMATE.start_main_~i~4 210), 247295#(<= ULTIMATE.start_main_~i~4 224), 247294#(<= ULTIMATE.start_main_~i~4 222), 247293#(<= ULTIMATE.start_main_~i~4 220), 247292#(<= ULTIMATE.start_main_~i~4 218)] [2018-07-23 13:49:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 53592 backedges. 0 proven. 53592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:09,869 INFO L450 AbstractCegarLoop]: Interpolant automaton has 234 states [2018-07-23 13:49:09,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2018-07-23 13:49:09,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:49:09,875 INFO L87 Difference]: Start difference. First operand 467 states and 467 transitions. Second operand 234 states. [2018-07-23 13:49:10,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:10,860 INFO L93 Difference]: Finished difference Result 471 states and 471 transitions. [2018-07-23 13:49:10,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2018-07-23 13:49:10,860 INFO L78 Accepts]: Start accepts. Automaton has 234 states. Word has length 466 [2018-07-23 13:49:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:10,861 INFO L225 Difference]: With dead ends: 471 [2018-07-23 13:49:10,861 INFO L226 Difference]: Without dead ends: 469 [2018-07-23 13:49:10,863 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27261, Invalid=27261, Unknown=0, NotChecked=0, Total=54522 [2018-07-23 13:49:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-07-23 13:49:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2018-07-23 13:49:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-07-23 13:49:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 469 transitions. [2018-07-23 13:49:10,867 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 469 transitions. Word has length 466 [2018-07-23 13:49:10,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:10,867 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 469 transitions. [2018-07-23 13:49:10,867 INFO L472 AbstractCegarLoop]: Interpolant automaton has 234 states. [2018-07-23 13:49:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 469 transitions. [2018-07-23 13:49:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-07-23 13:49:10,869 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:10,869 INFO L357 BasicCegarLoop]: trace histogram [233, 232, 1, 1, 1] [2018-07-23 13:49:10,869 INFO L414 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:10,869 INFO L82 PathProgramCache]: Analyzing trace with hash -402820521, now seen corresponding path program 232 times [2018-07-23 13:49:10,869 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:49:11,834 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:49:11,839 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:49:11,840 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:49:11 BoogieIcfgContainer [2018-07-23 13:49:11,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:49:11,841 INFO L168 Benchmark]: Toolchain (without parser) took 260404.03 ms. Allocated memory was 1.6 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 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:49:11,843 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:49:11,843 INFO L168 Benchmark]: Boogie Preprocessor took 47.49 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:49:11,843 INFO L168 Benchmark]: RCFGBuilder took 201.98 ms. Allocated memory is still 1.6 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 13:49:11,843 INFO L168 Benchmark]: TraceAbstraction took 260149.85 ms. Allocated memory was 1.6 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 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:49:11,845 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 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.49 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 201.98 ms. Allocated memory is still 1.6 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 260149.85 ms. Allocated memory was 1.6 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 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). Cancelled while BasicCegarLoop was analyzing trace of length 469 with TraceHistMax 233, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 170 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 260.0s OverallTime, 233 OverallIterations, 233 TraceHistogramMax, 125.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 928 SDtfs, 0 SDslu, 38733 SDs, 0 SdLazy, 38965 SolverSat, 503 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27260 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 27028 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 91.8s Time, 0.4s BasicInterpolantAutomatonTime, BiggestAbstraction: size=469occurred in iteration=232, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/4162312 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 232 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 18.4s SatisfiabilityAnalysisTime, 101.4s InterpolantComputationTime, 54520 NumberOfCodeBlocks, 54520 NumberOfCodeBlocksAsserted, 232 NumberOfCheckSat, 54288 ConstructedInterpolants, 0 QuantifiedInterpolants, 50488536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 232 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4162312 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/count_by_2.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-49-11-856.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-49-11-856.csv Completed graceful shutdown