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_1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:43:08,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:43:08,089 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:43:08,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:43:08,106 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:43:08,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:43:08,110 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:43:08,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:43:08,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:43:08,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:43:08,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:43:08,127 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:43:08,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:43:08,131 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:43:08,134 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:43:08,135 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:43:08,136 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:43:08,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:43:08,146 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:43:08,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:43:08,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:43:08,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:43:08,158 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:43:08,159 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:43:08,159 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:43:08,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:43:08,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:43:08,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:43:08,165 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:43:08,168 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:43:08,168 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:43:08,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:43:08,175 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 13:43:08,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:43:08,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:43:08,201 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:43:08,202 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:43:08,202 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:43:08,202 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:43:08,202 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:43:08,203 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:43:08,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:43:08,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:43:08,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:43:08,285 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:43:08,286 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:43:08,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1.i_3.bpl [2018-07-23 13:43:08,287 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1.i_3.bpl' [2018-07-23 13:43:08,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:43:08,349 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:43:08,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:43:08,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:43:08,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:43:08,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:43:08,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:43:08,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:43:08,399 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:43:08,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/1) ... [2018-07-23 13:43:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:43:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:43:08,608 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:43:08,609 INFO L202 PluginConnector]: Adding new model count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:43:08 BoogieIcfgContainer [2018-07-23 13:43:08,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:43:08,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:43:08,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:43:08,614 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:43:08,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:43:08" (1/2) ... [2018-07-23 13:43:08,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0151c and model type count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:43:08, skipping insertion in model container [2018-07-23 13:43:08,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:43:08" (2/2) ... [2018-07-23 13:43:08,618 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_1.i_3.bpl [2018-07-23 13:43:08,628 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:43:08,636 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:43:08,686 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:43:08,687 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:43:08,687 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:43:08,687 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:43:08,688 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:43:08,688 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:43:08,688 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:43:08,688 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:43:08,689 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:43:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:43:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:43:08,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:08,718 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:43:08,718 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:08,725 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 13:43:08,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:08,810 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:43:08,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:43:08,813 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:08,813 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 13:43:08,813 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:43:08,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:08,814 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:43:08,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:43:08,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:43:08,830 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:43:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:08,854 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:43:08,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:43:08,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 13:43:08,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:08,867 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:43:08,868 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:43:08,876 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 13:43:08,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:43:08,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:43:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:43:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:43:08,910 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:43:08,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:08,910 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:43:08,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:43:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:43:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:43:08,912 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:08,912 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:43:08,912 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:08,913 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 13:43:08,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:08,934 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 13:43:08,934 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:08,934 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:43:08,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:08,935 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 13:43:08,935 INFO L185 omatonBuilderFactory]: Interpolants [48#(<= ULTIMATE.start_main_~i~4 0), 49#(<= ULTIMATE.start_main_~i~4 1), 46#true, 47#false] [2018-07-23 13:43:08,936 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 13:43:08,937 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:43:08,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:43:08,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:43:08,939 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:43:08,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:08,956 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:43:08,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:43:08,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:43:08,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:08,957 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:43:08,957 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:43:08,959 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 13:43:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:43:08,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:43:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:43:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:43:08,963 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:43:08,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:08,963 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:43:08,963 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:43:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:43:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:43:08,964 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:08,964 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:43:08,965 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:08,965 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-07-23 13:43:08,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:08,994 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 13:43:08,994 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:08,994 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:43:08,995 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:08,995 INFO L185 omatonBuilderFactory]: Interpolants [90#true, 91#false, 92#(<= ULTIMATE.start_main_~i~4 0), 93#(<= ULTIMATE.start_main_~i~4 1), 94#(<= ULTIMATE.start_main_~i~4 2)] [2018-07-23 13:43:08,995 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 13:43:08,996 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:43:08,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:43:08,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:43:08,997 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-07-23 13:43:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,012 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:43:09,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:43:09,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-07-23 13:43:09,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,013 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:43:09,013 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:43:09,014 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 13:43:09,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:43:09,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:43:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:43:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:43:09,017 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:43:09,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,018 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:43:09,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:43:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:43:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:43:09,019 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,019 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:43:09,019 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-07-23 13:43:09,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,054 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 13:43:09,055 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,055 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:43:09,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,056 INFO L185 omatonBuilderFactory]: Interpolants [144#false, 145#(<= ULTIMATE.start_main_~i~4 0), 146#(<= ULTIMATE.start_main_~i~4 1), 147#(<= ULTIMATE.start_main_~i~4 2), 148#(<= ULTIMATE.start_main_~i~4 3), 143#true] [2018-07-23 13:43:09,056 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 13:43:09,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:43:09,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:43:09,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:43:09,058 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-07-23 13:43:09,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,086 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:43:09,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:43:09,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-23 13:43:09,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,087 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:43:09,087 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:43:09,088 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 13:43:09,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:43:09,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:43:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:43:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:43:09,092 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:43:09,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,093 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:43:09,093 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:43:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:43:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:43:09,094 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,094 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:43:09,094 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-07-23 13:43:09,095 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,152 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 13:43:09,153 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,153 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:43:09,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,154 INFO L185 omatonBuilderFactory]: Interpolants [208#(<= ULTIMATE.start_main_~i~4 1), 209#(<= ULTIMATE.start_main_~i~4 2), 210#(<= ULTIMATE.start_main_~i~4 3), 211#(<= ULTIMATE.start_main_~i~4 4), 205#true, 206#false, 207#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:43:09,154 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 13:43:09,154 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:43:09,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:43:09,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:43:09,155 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-07-23 13:43:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,173 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:43:09,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:43:09,173 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-23 13:43:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,174 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:43:09,174 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:43:09,175 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 13:43:09,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:43:09,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:43:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:43:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:43:09,185 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:43:09,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,185 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:43:09,186 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:43:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:43:09,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:43:09,188 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,188 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:43:09,189 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,189 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-07-23 13:43:09,189 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,281 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 13:43:09,282 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,282 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:43:09,282 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,283 INFO L185 omatonBuilderFactory]: Interpolants [276#true, 277#false, 278#(<= ULTIMATE.start_main_~i~4 0), 279#(<= ULTIMATE.start_main_~i~4 1), 280#(<= ULTIMATE.start_main_~i~4 2), 281#(<= ULTIMATE.start_main_~i~4 3), 282#(<= ULTIMATE.start_main_~i~4 4), 283#(<= ULTIMATE.start_main_~i~4 5)] [2018-07-23 13:43:09,283 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 13:43:09,283 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:43:09,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:43:09,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:43:09,284 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-07-23 13:43:09,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,301 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:43:09,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:43:09,302 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-07-23 13:43:09,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,303 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:43:09,303 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:43:09,303 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 13:43:09,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:43:09,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:43:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:43:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:43:09,308 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:43:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,309 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:43:09,309 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:43:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:43:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:43:09,310 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,310 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:43:09,310 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,310 INFO L82 PathProgramCache]: Analyzing trace with hash -652443485, now seen corresponding path program 6 times [2018-07-23 13:43:09,311 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,359 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 13:43:09,360 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,360 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:43:09,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,361 INFO L185 omatonBuilderFactory]: Interpolants [356#true, 357#false, 358#(<= ULTIMATE.start_main_~i~4 0), 359#(<= ULTIMATE.start_main_~i~4 1), 360#(<= ULTIMATE.start_main_~i~4 2), 361#(<= ULTIMATE.start_main_~i~4 3), 362#(<= ULTIMATE.start_main_~i~4 4), 363#(<= ULTIMATE.start_main_~i~4 5), 364#(<= ULTIMATE.start_main_~i~4 6)] [2018-07-23 13:43:09,361 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 13:43:09,361 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:43:09,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:43:09,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:43:09,363 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2018-07-23 13:43:09,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,382 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:43:09,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:43:09,383 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-07-23 13:43:09,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,384 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:43:09,384 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:43:09,385 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 13:43:09,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:43:09,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:43:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:43:09,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:43:09,390 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:43:09,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,391 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:43:09,391 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:43:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:43:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:43:09,392 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,392 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:43:09,393 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,393 INFO L82 PathProgramCache]: Analyzing trace with hash 67088221, now seen corresponding path program 7 times [2018-07-23 13:43:09,393 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,443 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 13:43:09,443 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,443 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:43:09,444 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,444 INFO L185 omatonBuilderFactory]: Interpolants [448#(<= ULTIMATE.start_main_~i~4 1), 449#(<= ULTIMATE.start_main_~i~4 2), 450#(<= ULTIMATE.start_main_~i~4 3), 451#(<= ULTIMATE.start_main_~i~4 4), 452#(<= ULTIMATE.start_main_~i~4 5), 453#(<= ULTIMATE.start_main_~i~4 6), 454#(<= ULTIMATE.start_main_~i~4 7), 445#true, 446#false, 447#(<= ULTIMATE.start_main_~i~4 0)] [2018-07-23 13:43:09,445 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 13:43:09,445 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:43:09,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:43:09,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:43:09,446 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2018-07-23 13:43:09,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,467 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:43:09,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:43:09,468 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-07-23 13:43:09,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,469 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:43:09,471 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:43:09,471 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 13:43:09,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:43:09,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:43:09,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:43:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:43:09,477 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:43:09,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,478 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:43:09,478 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:43:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:43:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:43:09,479 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,479 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:43:09,479 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,480 INFO L82 PathProgramCache]: Analyzing trace with hash 47323031, now seen corresponding path program 8 times [2018-07-23 13:43:09,480 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,526 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 13:43:09,527 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,527 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:43:09,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,528 INFO L185 omatonBuilderFactory]: Interpolants [544#false, 545#(<= ULTIMATE.start_main_~i~4 0), 546#(<= ULTIMATE.start_main_~i~4 1), 547#(<= ULTIMATE.start_main_~i~4 2), 548#(<= ULTIMATE.start_main_~i~4 3), 549#(<= ULTIMATE.start_main_~i~4 4), 550#(<= ULTIMATE.start_main_~i~4 5), 551#(<= ULTIMATE.start_main_~i~4 6), 552#(<= ULTIMATE.start_main_~i~4 7), 553#(<= ULTIMATE.start_main_~i~4 8), 543#true] [2018-07-23 13:43:09,528 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 13:43:09,528 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:43:09,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:43:09,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:43:09,532 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2018-07-23 13:43:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,571 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:43:09,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:43:09,574 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-07-23 13:43:09,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,575 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:43:09,575 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:43:09,576 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 13:43:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:43:09,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:43:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:43:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:43:09,589 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:43:09,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,589 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:43:09,591 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:43:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:43:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:43:09,592 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,594 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:43:09,594 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1767155375, now seen corresponding path program 9 times [2018-07-23 13:43:09,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,665 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 13:43:09,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,666 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:43:09,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,667 INFO L185 omatonBuilderFactory]: Interpolants [656#(<= ULTIMATE.start_main_~i~4 4), 657#(<= ULTIMATE.start_main_~i~4 5), 658#(<= ULTIMATE.start_main_~i~4 6), 659#(<= ULTIMATE.start_main_~i~4 7), 660#(<= ULTIMATE.start_main_~i~4 8), 661#(<= ULTIMATE.start_main_~i~4 9), 650#true, 651#false, 652#(<= ULTIMATE.start_main_~i~4 0), 653#(<= ULTIMATE.start_main_~i~4 1), 654#(<= ULTIMATE.start_main_~i~4 2), 655#(<= ULTIMATE.start_main_~i~4 3)] [2018-07-23 13:43:09,667 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 13:43:09,667 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:43:09,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:43:09,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:43:09,668 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 12 states. [2018-07-23 13:43:09,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,695 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:43:09,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:43:09,695 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-07-23 13:43:09,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,697 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:43:09,698 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:43:09,698 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 13:43:09,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:43:09,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:43:09,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:43:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:43:09,710 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:43:09,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,710 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:43:09,710 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:43:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:43:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:43:09,713 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,714 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:43:09,714 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1724181365, now seen corresponding path program 10 times [2018-07-23 13:43:09,714 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,793 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 13:43:09,793 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,794 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:43:09,794 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,794 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 13:43:09,795 INFO L185 omatonBuilderFactory]: Interpolants [768#(<= ULTIMATE.start_main_~i~4 0), 769#(<= ULTIMATE.start_main_~i~4 1), 770#(<= ULTIMATE.start_main_~i~4 2), 771#(<= ULTIMATE.start_main_~i~4 3), 772#(<= ULTIMATE.start_main_~i~4 4), 773#(<= ULTIMATE.start_main_~i~4 5), 774#(<= ULTIMATE.start_main_~i~4 6), 775#(<= ULTIMATE.start_main_~i~4 7), 776#(<= ULTIMATE.start_main_~i~4 8), 777#(<= ULTIMATE.start_main_~i~4 9), 778#(<= ULTIMATE.start_main_~i~4 10), 766#true, 767#false] [2018-07-23 13:43:09,795 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 13:43:09,795 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:43:09,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:43:09,796 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:43:09,796 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2018-07-23 13:43:09,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,814 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:43:09,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:43:09,815 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-07-23 13:43:09,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,816 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:43:09,816 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:43:09,817 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 13:43:09,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:43:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:43:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:43:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:43:09,822 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:43:09,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,823 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:43:09,823 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:43:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:43:09,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:43:09,824 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,824 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:43:09,824 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,824 INFO L82 PathProgramCache]: Analyzing trace with hash 919136581, now seen corresponding path program 11 times [2018-07-23 13:43:09,825 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,873 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 13:43:09,873 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:09,873 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:43:09,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:09,875 INFO L185 omatonBuilderFactory]: Interpolants [896#(<= ULTIMATE.start_main_~i~4 3), 897#(<= ULTIMATE.start_main_~i~4 4), 898#(<= ULTIMATE.start_main_~i~4 5), 899#(<= ULTIMATE.start_main_~i~4 6), 900#(<= ULTIMATE.start_main_~i~4 7), 901#(<= ULTIMATE.start_main_~i~4 8), 902#(<= ULTIMATE.start_main_~i~4 9), 903#(<= ULTIMATE.start_main_~i~4 10), 904#(<= ULTIMATE.start_main_~i~4 11), 891#true, 892#false, 893#(<= ULTIMATE.start_main_~i~4 0), 894#(<= ULTIMATE.start_main_~i~4 1), 895#(<= ULTIMATE.start_main_~i~4 2)] [2018-07-23 13:43:09,875 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 13:43:09,875 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:43:09,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:43:09,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:43:09,876 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 14 states. [2018-07-23 13:43:09,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,895 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:43:09,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:43:09,896 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-07-23 13:43:09,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,897 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:43:09,897 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:43:09,898 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 13:43:09,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:43:09,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:43:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:43:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:43:09,908 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:43:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,909 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:43:09,909 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:43:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:43:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:43:09,915 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,916 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:43:09,916 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1472956545, now seen corresponding path program 12 times [2018-07-23 13:43:09,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:09,998 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 13:43:10,002 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:43:10,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,002 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 13:43:10,003 INFO L185 omatonBuilderFactory]: Interpolants [1025#true, 1026#false, 1027#(<= ULTIMATE.start_main_~i~4 0), 1028#(<= ULTIMATE.start_main_~i~4 1), 1029#(<= ULTIMATE.start_main_~i~4 2), 1030#(<= ULTIMATE.start_main_~i~4 3), 1031#(<= ULTIMATE.start_main_~i~4 4), 1032#(<= ULTIMATE.start_main_~i~4 5), 1033#(<= ULTIMATE.start_main_~i~4 6), 1034#(<= ULTIMATE.start_main_~i~4 7), 1035#(<= ULTIMATE.start_main_~i~4 8), 1036#(<= ULTIMATE.start_main_~i~4 9), 1037#(<= ULTIMATE.start_main_~i~4 10), 1038#(<= ULTIMATE.start_main_~i~4 11), 1039#(<= ULTIMATE.start_main_~i~4 12)] [2018-07-23 13:43:10,003 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 13:43:10,004 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:43:10,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:43:10,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:43:10,005 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 15 states. [2018-07-23 13:43:10,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,044 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:43:10,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:43:10,045 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-07-23 13:43:10,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,046 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:43:10,046 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:43:10,047 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 13:43:10,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:43:10,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:43:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:43:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:43:10,058 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:43:10,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,059 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:43:10,059 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:43:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:43:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:43:10,060 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,060 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:43:10,061 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1828020025, now seen corresponding path program 13 times [2018-07-23 13:43:10,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,136 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 13:43:10,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:43:10,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,138 INFO L185 omatonBuilderFactory]: Interpolants [1168#true, 1169#false, 1170#(<= ULTIMATE.start_main_~i~4 0), 1171#(<= ULTIMATE.start_main_~i~4 1), 1172#(<= ULTIMATE.start_main_~i~4 2), 1173#(<= ULTIMATE.start_main_~i~4 3), 1174#(<= ULTIMATE.start_main_~i~4 4), 1175#(<= ULTIMATE.start_main_~i~4 5), 1176#(<= ULTIMATE.start_main_~i~4 6), 1177#(<= ULTIMATE.start_main_~i~4 7), 1178#(<= ULTIMATE.start_main_~i~4 8), 1179#(<= ULTIMATE.start_main_~i~4 9), 1180#(<= ULTIMATE.start_main_~i~4 10), 1181#(<= ULTIMATE.start_main_~i~4 11), 1182#(<= ULTIMATE.start_main_~i~4 12), 1183#(<= ULTIMATE.start_main_~i~4 13)] [2018-07-23 13:43:10,139 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 13:43:10,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:43:10,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:43:10,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:43:10,141 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 16 states. [2018-07-23 13:43:10,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,159 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:43:10,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:43:10,160 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-07-23 13:43:10,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,161 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:43:10,161 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:43:10,162 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 13:43:10,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:43:10,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:43:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:43:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:43:10,168 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:43:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,169 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:43:10,169 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:43:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:43:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:43:10,170 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,170 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:43:10,171 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,171 INFO L82 PathProgramCache]: Analyzing trace with hash 85672051, now seen corresponding path program 14 times [2018-07-23 13:43:10,171 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,224 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 13:43:10,225 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:43:10,225 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,226 INFO L185 omatonBuilderFactory]: Interpolants [1320#true, 1321#false, 1322#(<= ULTIMATE.start_main_~i~4 0), 1323#(<= ULTIMATE.start_main_~i~4 1), 1324#(<= ULTIMATE.start_main_~i~4 2), 1325#(<= ULTIMATE.start_main_~i~4 3), 1326#(<= ULTIMATE.start_main_~i~4 4), 1327#(<= ULTIMATE.start_main_~i~4 5), 1328#(<= ULTIMATE.start_main_~i~4 6), 1329#(<= ULTIMATE.start_main_~i~4 7), 1330#(<= ULTIMATE.start_main_~i~4 8), 1331#(<= ULTIMATE.start_main_~i~4 9), 1332#(<= ULTIMATE.start_main_~i~4 10), 1333#(<= ULTIMATE.start_main_~i~4 11), 1334#(<= ULTIMATE.start_main_~i~4 12), 1335#(<= ULTIMATE.start_main_~i~4 13), 1336#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:43:10,227 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 13:43:10,227 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:43:10,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:43:10,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:43:10,231 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 17 states. [2018-07-23 13:43:10,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,258 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:43:10,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:43:10,259 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-07-23 13:43:10,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,261 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:43:10,261 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:43:10,265 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 13:43:10,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:43:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:43:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:43:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:43:10,275 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:43:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,275 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:43:10,281 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:43:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:43:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:43:10,282 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,283 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:43:10,283 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,283 INFO L82 PathProgramCache]: Analyzing trace with hash 726514477, now seen corresponding path program 15 times [2018-07-23 13:43:10,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,366 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 13:43:10,367 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,367 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:43:10,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,368 INFO L185 omatonBuilderFactory]: Interpolants [1481#true, 1482#false, 1483#(<= ULTIMATE.start_main_~i~4 0), 1484#(<= ULTIMATE.start_main_~i~4 1), 1485#(<= ULTIMATE.start_main_~i~4 2), 1486#(<= ULTIMATE.start_main_~i~4 3), 1487#(<= ULTIMATE.start_main_~i~4 4), 1488#(<= ULTIMATE.start_main_~i~4 5), 1489#(<= ULTIMATE.start_main_~i~4 6), 1490#(<= ULTIMATE.start_main_~i~4 7), 1491#(<= ULTIMATE.start_main_~i~4 8), 1492#(<= ULTIMATE.start_main_~i~4 9), 1493#(<= ULTIMATE.start_main_~i~4 10), 1494#(<= ULTIMATE.start_main_~i~4 11), 1495#(<= ULTIMATE.start_main_~i~4 12), 1496#(<= ULTIMATE.start_main_~i~4 13), 1497#(<= ULTIMATE.start_main_~i~4 14), 1498#(<= ULTIMATE.start_main_~i~4 15)] [2018-07-23 13:43:10,369 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 13:43:10,369 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:43:10,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:43:10,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:43:10,370 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 18 states. [2018-07-23 13:43:10,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,388 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:43:10,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:43:10,389 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-07-23 13:43:10,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,390 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:43:10,390 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:43:10,391 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 13:43:10,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:43:10,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:43:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:43:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:43:10,396 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:43:10,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,397 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:43:10,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:43:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:43:10,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:43:10,398 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,398 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:43:10,398 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1899204761, now seen corresponding path program 16 times [2018-07-23 13:43:10,399 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,464 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 13:43:10,465 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,465 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:43:10,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,467 INFO L185 omatonBuilderFactory]: Interpolants [1664#(<= ULTIMATE.start_main_~i~4 11), 1665#(<= ULTIMATE.start_main_~i~4 12), 1666#(<= ULTIMATE.start_main_~i~4 13), 1667#(<= ULTIMATE.start_main_~i~4 14), 1668#(<= ULTIMATE.start_main_~i~4 15), 1669#(<= ULTIMATE.start_main_~i~4 16), 1651#true, 1652#false, 1653#(<= ULTIMATE.start_main_~i~4 0), 1654#(<= ULTIMATE.start_main_~i~4 1), 1655#(<= ULTIMATE.start_main_~i~4 2), 1656#(<= ULTIMATE.start_main_~i~4 3), 1657#(<= ULTIMATE.start_main_~i~4 4), 1658#(<= ULTIMATE.start_main_~i~4 5), 1659#(<= ULTIMATE.start_main_~i~4 6), 1660#(<= ULTIMATE.start_main_~i~4 7), 1661#(<= ULTIMATE.start_main_~i~4 8), 1662#(<= ULTIMATE.start_main_~i~4 9), 1663#(<= ULTIMATE.start_main_~i~4 10)] [2018-07-23 13:43:10,467 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 13:43:10,467 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:43:10,468 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:43:10,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:43:10,468 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 19 states. [2018-07-23 13:43:10,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,489 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:43:10,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:43:10,490 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-07-23 13:43:10,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,490 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:43:10,491 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:43:10,493 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 13:43:10,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:43:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:43:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:43:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:43:10,508 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:43:10,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,508 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:43:10,508 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:43:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:43:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:43:10,512 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,512 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:43:10,512 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,512 INFO L82 PathProgramCache]: Analyzing trace with hash 225377569, now seen corresponding path program 17 times [2018-07-23 13:43:10,513 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,607 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 13:43:10,608 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,608 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:43:10,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,609 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 13:43:10,609 INFO L185 omatonBuilderFactory]: Interpolants [1830#true, 1831#false, 1832#(<= ULTIMATE.start_main_~i~4 0), 1833#(<= ULTIMATE.start_main_~i~4 1), 1834#(<= ULTIMATE.start_main_~i~4 2), 1835#(<= ULTIMATE.start_main_~i~4 3), 1836#(<= ULTIMATE.start_main_~i~4 4), 1837#(<= ULTIMATE.start_main_~i~4 5), 1838#(<= ULTIMATE.start_main_~i~4 6), 1839#(<= ULTIMATE.start_main_~i~4 7), 1840#(<= ULTIMATE.start_main_~i~4 8), 1841#(<= ULTIMATE.start_main_~i~4 9), 1842#(<= ULTIMATE.start_main_~i~4 10), 1843#(<= ULTIMATE.start_main_~i~4 11), 1844#(<= ULTIMATE.start_main_~i~4 12), 1845#(<= ULTIMATE.start_main_~i~4 13), 1846#(<= ULTIMATE.start_main_~i~4 14), 1847#(<= ULTIMATE.start_main_~i~4 15), 1848#(<= ULTIMATE.start_main_~i~4 16), 1849#(<= ULTIMATE.start_main_~i~4 17)] [2018-07-23 13:43:10,610 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 13:43:10,610 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:43:10,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:43:10,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:43:10,611 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 20 states. [2018-07-23 13:43:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,636 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:43:10,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:43:10,637 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2018-07-23 13:43:10,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,638 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:43:10,638 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:43:10,639 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 13:43:10,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:43:10,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:43:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:43:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:43:10,646 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:43:10,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,646 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:43:10,647 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:43:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:43:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:43:10,648 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,648 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:43:10,648 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1839531099, now seen corresponding path program 18 times [2018-07-23 13:43:10,653 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,752 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 13:43:10,752 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,753 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:43:10,753 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,754 INFO L185 omatonBuilderFactory]: Interpolants [2018#true, 2019#false, 2020#(<= ULTIMATE.start_main_~i~4 0), 2021#(<= ULTIMATE.start_main_~i~4 1), 2022#(<= ULTIMATE.start_main_~i~4 2), 2023#(<= ULTIMATE.start_main_~i~4 3), 2024#(<= ULTIMATE.start_main_~i~4 4), 2025#(<= ULTIMATE.start_main_~i~4 5), 2026#(<= ULTIMATE.start_main_~i~4 6), 2027#(<= ULTIMATE.start_main_~i~4 7), 2028#(<= ULTIMATE.start_main_~i~4 8), 2029#(<= ULTIMATE.start_main_~i~4 9), 2030#(<= ULTIMATE.start_main_~i~4 10), 2031#(<= ULTIMATE.start_main_~i~4 11), 2032#(<= ULTIMATE.start_main_~i~4 12), 2033#(<= ULTIMATE.start_main_~i~4 13), 2034#(<= ULTIMATE.start_main_~i~4 14), 2035#(<= ULTIMATE.start_main_~i~4 15), 2036#(<= ULTIMATE.start_main_~i~4 16), 2037#(<= ULTIMATE.start_main_~i~4 17), 2038#(<= ULTIMATE.start_main_~i~4 18)] [2018-07-23 13:43:10,754 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 13:43:10,755 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:43:10,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:43:10,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:43:10,756 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 21 states. [2018-07-23 13:43:10,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,785 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:43:10,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:43:10,786 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-07-23 13:43:10,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,786 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:43:10,787 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:43:10,787 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 13:43:10,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:43:10,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:43:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:43:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:43:10,795 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:43:10,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,795 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:43:10,795 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:43:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:43:10,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:43:10,798 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,798 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:43:10,798 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1737087723, now seen corresponding path program 19 times [2018-07-23 13:43:10,799 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,882 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 13:43:10,883 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,883 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:43:10,883 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,884 INFO L185 omatonBuilderFactory]: Interpolants [2215#true, 2216#false, 2217#(<= ULTIMATE.start_main_~i~4 0), 2218#(<= ULTIMATE.start_main_~i~4 1), 2219#(<= ULTIMATE.start_main_~i~4 2), 2220#(<= ULTIMATE.start_main_~i~4 3), 2221#(<= ULTIMATE.start_main_~i~4 4), 2222#(<= ULTIMATE.start_main_~i~4 5), 2223#(<= ULTIMATE.start_main_~i~4 6), 2224#(<= ULTIMATE.start_main_~i~4 7), 2225#(<= ULTIMATE.start_main_~i~4 8), 2226#(<= ULTIMATE.start_main_~i~4 9), 2227#(<= ULTIMATE.start_main_~i~4 10), 2228#(<= ULTIMATE.start_main_~i~4 11), 2229#(<= ULTIMATE.start_main_~i~4 12), 2230#(<= ULTIMATE.start_main_~i~4 13), 2231#(<= ULTIMATE.start_main_~i~4 14), 2232#(<= ULTIMATE.start_main_~i~4 15), 2233#(<= ULTIMATE.start_main_~i~4 16), 2234#(<= ULTIMATE.start_main_~i~4 17), 2235#(<= ULTIMATE.start_main_~i~4 18), 2236#(<= ULTIMATE.start_main_~i~4 19)] [2018-07-23 13:43:10,885 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 13:43:10,885 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:43:10,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:43:10,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:43:10,894 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-07-23 13:43:10,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:10,914 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:43:10,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:43:10,915 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2018-07-23 13:43:10,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:10,916 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:43:10,916 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:43:10,917 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 13:43:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:43:10,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:43:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:43:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:43:10,927 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:43:10,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:10,927 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:43:10,927 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:43:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:43:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:43:10,928 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:10,928 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:43:10,929 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:10,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1401028431, now seen corresponding path program 20 times [2018-07-23 13:43:10,929 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,012 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 13:43:11,013 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,013 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:43:11,013 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,014 INFO L185 omatonBuilderFactory]: Interpolants [2432#(<= ULTIMATE.start_main_~i~4 9), 2433#(<= ULTIMATE.start_main_~i~4 10), 2434#(<= ULTIMATE.start_main_~i~4 11), 2435#(<= ULTIMATE.start_main_~i~4 12), 2436#(<= ULTIMATE.start_main_~i~4 13), 2437#(<= ULTIMATE.start_main_~i~4 14), 2438#(<= ULTIMATE.start_main_~i~4 15), 2439#(<= ULTIMATE.start_main_~i~4 16), 2440#(<= ULTIMATE.start_main_~i~4 17), 2441#(<= ULTIMATE.start_main_~i~4 18), 2442#(<= ULTIMATE.start_main_~i~4 19), 2443#(<= ULTIMATE.start_main_~i~4 20), 2421#true, 2422#false, 2423#(<= ULTIMATE.start_main_~i~4 0), 2424#(<= ULTIMATE.start_main_~i~4 1), 2425#(<= ULTIMATE.start_main_~i~4 2), 2426#(<= ULTIMATE.start_main_~i~4 3), 2427#(<= ULTIMATE.start_main_~i~4 4), 2428#(<= ULTIMATE.start_main_~i~4 5), 2429#(<= ULTIMATE.start_main_~i~4 6), 2430#(<= ULTIMATE.start_main_~i~4 7), 2431#(<= ULTIMATE.start_main_~i~4 8)] [2018-07-23 13:43:11,015 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 13:43:11,015 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:43:11,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:43:11,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:43:11,018 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 23 states. [2018-07-23 13:43:11,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,038 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:43:11,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:43:11,039 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-07-23 13:43:11,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,039 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:43:11,039 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:43:11,040 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 13:43:11,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:43:11,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:43:11,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:43:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:43:11,049 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:43:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,049 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:43:11,049 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:43:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:43:11,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:43:11,052 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,052 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:43:11,052 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2063610633, now seen corresponding path program 21 times [2018-07-23 13:43:11,052 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,157 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 13:43:11,158 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,158 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:43:11,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,159 INFO L185 omatonBuilderFactory]: Interpolants [2656#(<= ULTIMATE.start_main_~i~4 18), 2657#(<= ULTIMATE.start_main_~i~4 19), 2658#(<= ULTIMATE.start_main_~i~4 20), 2659#(<= ULTIMATE.start_main_~i~4 21), 2636#true, 2637#false, 2638#(<= ULTIMATE.start_main_~i~4 0), 2639#(<= ULTIMATE.start_main_~i~4 1), 2640#(<= ULTIMATE.start_main_~i~4 2), 2641#(<= ULTIMATE.start_main_~i~4 3), 2642#(<= ULTIMATE.start_main_~i~4 4), 2643#(<= ULTIMATE.start_main_~i~4 5), 2644#(<= ULTIMATE.start_main_~i~4 6), 2645#(<= ULTIMATE.start_main_~i~4 7), 2646#(<= ULTIMATE.start_main_~i~4 8), 2647#(<= ULTIMATE.start_main_~i~4 9), 2648#(<= ULTIMATE.start_main_~i~4 10), 2649#(<= ULTIMATE.start_main_~i~4 11), 2650#(<= ULTIMATE.start_main_~i~4 12), 2651#(<= ULTIMATE.start_main_~i~4 13), 2652#(<= ULTIMATE.start_main_~i~4 14), 2653#(<= ULTIMATE.start_main_~i~4 15), 2654#(<= ULTIMATE.start_main_~i~4 16), 2655#(<= ULTIMATE.start_main_~i~4 17)] [2018-07-23 13:43:11,160 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 13:43:11,160 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:43:11,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:43:11,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:43:11,161 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 24 states. [2018-07-23 13:43:11,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,174 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:43:11,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:43:11,175 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2018-07-23 13:43:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,175 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:43:11,176 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:43:11,176 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 13:43:11,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:43:11,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:43:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:43:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:43:11,181 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:43:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,182 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:43:11,182 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:43:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:43:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:43:11,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,183 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:43:11,183 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1145020349, now seen corresponding path program 22 times [2018-07-23 13:43:11,183 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,296 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,296 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:43:11,296 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,297 INFO L185 omatonBuilderFactory]: Interpolants [2880#(<= ULTIMATE.start_main_~i~4 18), 2881#(<= ULTIMATE.start_main_~i~4 19), 2882#(<= ULTIMATE.start_main_~i~4 20), 2883#(<= ULTIMATE.start_main_~i~4 21), 2884#(<= ULTIMATE.start_main_~i~4 22), 2860#true, 2861#false, 2862#(<= ULTIMATE.start_main_~i~4 0), 2863#(<= ULTIMATE.start_main_~i~4 1), 2864#(<= ULTIMATE.start_main_~i~4 2), 2865#(<= ULTIMATE.start_main_~i~4 3), 2866#(<= ULTIMATE.start_main_~i~4 4), 2867#(<= ULTIMATE.start_main_~i~4 5), 2868#(<= ULTIMATE.start_main_~i~4 6), 2869#(<= ULTIMATE.start_main_~i~4 7), 2870#(<= ULTIMATE.start_main_~i~4 8), 2871#(<= ULTIMATE.start_main_~i~4 9), 2872#(<= ULTIMATE.start_main_~i~4 10), 2873#(<= ULTIMATE.start_main_~i~4 11), 2874#(<= ULTIMATE.start_main_~i~4 12), 2875#(<= ULTIMATE.start_main_~i~4 13), 2876#(<= ULTIMATE.start_main_~i~4 14), 2877#(<= ULTIMATE.start_main_~i~4 15), 2878#(<= ULTIMATE.start_main_~i~4 16), 2879#(<= ULTIMATE.start_main_~i~4 17)] [2018-07-23 13:43:11,298 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 13:43:11,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:43:11,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:43:11,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:43:11,300 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 25 states. [2018-07-23 13:43:11,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,324 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:43:11,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:43:11,329 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-07-23 13:43:11,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,330 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:43:11,330 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:43:11,331 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 13:43:11,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:43:11,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:43:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:43:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:43:11,341 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:43:11,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,342 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:43:11,342 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:43:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:43:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:43:11,348 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,348 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:43:11,348 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,349 INFO L82 PathProgramCache]: Analyzing trace with hash -852875523, now seen corresponding path program 23 times [2018-07-23 13:43:11,349 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,459 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 13:43:11,459 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:43:11,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,461 INFO L185 omatonBuilderFactory]: Interpolants [3093#true, 3094#false, 3095#(<= ULTIMATE.start_main_~i~4 0), 3096#(<= ULTIMATE.start_main_~i~4 1), 3097#(<= ULTIMATE.start_main_~i~4 2), 3098#(<= ULTIMATE.start_main_~i~4 3), 3099#(<= ULTIMATE.start_main_~i~4 4), 3100#(<= ULTIMATE.start_main_~i~4 5), 3101#(<= ULTIMATE.start_main_~i~4 6), 3102#(<= ULTIMATE.start_main_~i~4 7), 3103#(<= ULTIMATE.start_main_~i~4 8), 3104#(<= ULTIMATE.start_main_~i~4 9), 3105#(<= ULTIMATE.start_main_~i~4 10), 3106#(<= ULTIMATE.start_main_~i~4 11), 3107#(<= ULTIMATE.start_main_~i~4 12), 3108#(<= ULTIMATE.start_main_~i~4 13), 3109#(<= ULTIMATE.start_main_~i~4 14), 3110#(<= ULTIMATE.start_main_~i~4 15), 3111#(<= ULTIMATE.start_main_~i~4 16), 3112#(<= ULTIMATE.start_main_~i~4 17), 3113#(<= ULTIMATE.start_main_~i~4 18), 3114#(<= ULTIMATE.start_main_~i~4 19), 3115#(<= ULTIMATE.start_main_~i~4 20), 3116#(<= ULTIMATE.start_main_~i~4 21), 3117#(<= ULTIMATE.start_main_~i~4 22), 3118#(<= ULTIMATE.start_main_~i~4 23)] [2018-07-23 13:43:11,462 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 13:43:11,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:43:11,465 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:43:11,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:43:11,466 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 26 states. [2018-07-23 13:43:11,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,488 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:43:11,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:43:11,489 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 50 [2018-07-23 13:43:11,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,490 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:43:11,490 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:43:11,491 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 13:43:11,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:43:11,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:43:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:43:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:43:11,500 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:43:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,500 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:43:11,500 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:43:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:43:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:43:11,501 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,501 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:43:11,502 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,502 INFO L82 PathProgramCache]: Analyzing trace with hash 725428023, now seen corresponding path program 24 times [2018-07-23 13:43:11,502 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,624 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 13:43:11,625 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:43:11,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,626 INFO L185 omatonBuilderFactory]: Interpolants [3335#true, 3336#false, 3337#(<= ULTIMATE.start_main_~i~4 0), 3338#(<= ULTIMATE.start_main_~i~4 1), 3339#(<= ULTIMATE.start_main_~i~4 2), 3340#(<= ULTIMATE.start_main_~i~4 3), 3341#(<= ULTIMATE.start_main_~i~4 4), 3342#(<= ULTIMATE.start_main_~i~4 5), 3343#(<= ULTIMATE.start_main_~i~4 6), 3344#(<= ULTIMATE.start_main_~i~4 7), 3345#(<= ULTIMATE.start_main_~i~4 8), 3346#(<= ULTIMATE.start_main_~i~4 9), 3347#(<= ULTIMATE.start_main_~i~4 10), 3348#(<= ULTIMATE.start_main_~i~4 11), 3349#(<= ULTIMATE.start_main_~i~4 12), 3350#(<= ULTIMATE.start_main_~i~4 13), 3351#(<= ULTIMATE.start_main_~i~4 14), 3352#(<= ULTIMATE.start_main_~i~4 15), 3353#(<= ULTIMATE.start_main_~i~4 16), 3354#(<= ULTIMATE.start_main_~i~4 17), 3355#(<= ULTIMATE.start_main_~i~4 18), 3356#(<= ULTIMATE.start_main_~i~4 19), 3357#(<= ULTIMATE.start_main_~i~4 20), 3358#(<= ULTIMATE.start_main_~i~4 21), 3359#(<= ULTIMATE.start_main_~i~4 22), 3360#(<= ULTIMATE.start_main_~i~4 23), 3361#(<= ULTIMATE.start_main_~i~4 24)] [2018-07-23 13:43:11,627 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 13:43:11,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:43:11,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:43:11,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:43:11,630 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 27 states. [2018-07-23 13:43:11,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,656 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:43:11,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:43:11,657 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2018-07-23 13:43:11,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,658 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:43:11,658 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:43:11,659 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 13:43:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:43:11,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:43:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:43:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:43:11,669 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:43:11,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,670 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:43:11,670 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:43:11,671 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:43:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:43:11,672 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,672 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:43:11,672 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1351680241, now seen corresponding path program 25 times [2018-07-23 13:43:11,673 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,790 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 13:43:11,790 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,790 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:43:11,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,791 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 13:43:11,791 INFO L185 omatonBuilderFactory]: Interpolants [3586#true, 3587#false, 3588#(<= ULTIMATE.start_main_~i~4 0), 3589#(<= ULTIMATE.start_main_~i~4 1), 3590#(<= ULTIMATE.start_main_~i~4 2), 3591#(<= ULTIMATE.start_main_~i~4 3), 3592#(<= ULTIMATE.start_main_~i~4 4), 3593#(<= ULTIMATE.start_main_~i~4 5), 3594#(<= ULTIMATE.start_main_~i~4 6), 3595#(<= ULTIMATE.start_main_~i~4 7), 3596#(<= ULTIMATE.start_main_~i~4 8), 3597#(<= ULTIMATE.start_main_~i~4 9), 3598#(<= ULTIMATE.start_main_~i~4 10), 3599#(<= ULTIMATE.start_main_~i~4 11), 3600#(<= ULTIMATE.start_main_~i~4 12), 3601#(<= ULTIMATE.start_main_~i~4 13), 3602#(<= ULTIMATE.start_main_~i~4 14), 3603#(<= ULTIMATE.start_main_~i~4 15), 3604#(<= ULTIMATE.start_main_~i~4 16), 3605#(<= ULTIMATE.start_main_~i~4 17), 3606#(<= ULTIMATE.start_main_~i~4 18), 3607#(<= ULTIMATE.start_main_~i~4 19), 3608#(<= ULTIMATE.start_main_~i~4 20), 3609#(<= ULTIMATE.start_main_~i~4 21), 3610#(<= ULTIMATE.start_main_~i~4 22), 3611#(<= ULTIMATE.start_main_~i~4 23), 3612#(<= ULTIMATE.start_main_~i~4 24), 3613#(<= ULTIMATE.start_main_~i~4 25)] [2018-07-23 13:43:11,792 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 13:43:11,792 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:43:11,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:43:11,793 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:43:11,794 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 28 states. [2018-07-23 13:43:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,814 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:43:11,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:43:11,814 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 54 [2018-07-23 13:43:11,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,815 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:43:11,815 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:43:11,816 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 13:43:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:43:11,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:43:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:43:11,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:43:11,820 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:43:11,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,820 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:43:11,820 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:43:11,820 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:43:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:43:11,821 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,821 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:43:11,821 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1884640299, now seen corresponding path program 26 times [2018-07-23 13:43:11,822 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,939 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 13:43:11,939 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,939 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:43:11,939 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,940 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 13:43:11,940 INFO L185 omatonBuilderFactory]: Interpolants [3846#true, 3847#false, 3848#(<= ULTIMATE.start_main_~i~4 0), 3849#(<= ULTIMATE.start_main_~i~4 1), 3850#(<= ULTIMATE.start_main_~i~4 2), 3851#(<= ULTIMATE.start_main_~i~4 3), 3852#(<= ULTIMATE.start_main_~i~4 4), 3853#(<= ULTIMATE.start_main_~i~4 5), 3854#(<= ULTIMATE.start_main_~i~4 6), 3855#(<= ULTIMATE.start_main_~i~4 7), 3856#(<= ULTIMATE.start_main_~i~4 8), 3857#(<= ULTIMATE.start_main_~i~4 9), 3858#(<= ULTIMATE.start_main_~i~4 10), 3859#(<= ULTIMATE.start_main_~i~4 11), 3860#(<= ULTIMATE.start_main_~i~4 12), 3861#(<= ULTIMATE.start_main_~i~4 13), 3862#(<= ULTIMATE.start_main_~i~4 14), 3863#(<= ULTIMATE.start_main_~i~4 15), 3864#(<= ULTIMATE.start_main_~i~4 16), 3865#(<= ULTIMATE.start_main_~i~4 17), 3866#(<= ULTIMATE.start_main_~i~4 18), 3867#(<= ULTIMATE.start_main_~i~4 19), 3868#(<= ULTIMATE.start_main_~i~4 20), 3869#(<= ULTIMATE.start_main_~i~4 21), 3870#(<= ULTIMATE.start_main_~i~4 22), 3871#(<= ULTIMATE.start_main_~i~4 23), 3872#(<= ULTIMATE.start_main_~i~4 24), 3873#(<= ULTIMATE.start_main_~i~4 25), 3874#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:43:11,941 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 13:43:11,941 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:43:11,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:43:11,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:43:11,943 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 29 states. [2018-07-23 13:43:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,964 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:43:11,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:43:11,965 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 56 [2018-07-23 13:43:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,965 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:43:11,965 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:43:11,966 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 13:43:11,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:43:11,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:43:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:43:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:43:11,970 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:43:11,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,970 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:43:11,971 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:43:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:43:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:43:11,971 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,971 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:43:11,972 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1336819483, now seen corresponding path program 27 times [2018-07-23 13:43:11,972 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,091 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 13:43:12,091 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,091 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:43:12,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:12,092 INFO L185 omatonBuilderFactory]: Interpolants [4115#true, 4116#false, 4117#(<= ULTIMATE.start_main_~i~4 0), 4118#(<= ULTIMATE.start_main_~i~4 1), 4119#(<= ULTIMATE.start_main_~i~4 2), 4120#(<= ULTIMATE.start_main_~i~4 3), 4121#(<= ULTIMATE.start_main_~i~4 4), 4122#(<= ULTIMATE.start_main_~i~4 5), 4123#(<= ULTIMATE.start_main_~i~4 6), 4124#(<= ULTIMATE.start_main_~i~4 7), 4125#(<= ULTIMATE.start_main_~i~4 8), 4126#(<= ULTIMATE.start_main_~i~4 9), 4127#(<= ULTIMATE.start_main_~i~4 10), 4128#(<= ULTIMATE.start_main_~i~4 11), 4129#(<= ULTIMATE.start_main_~i~4 12), 4130#(<= ULTIMATE.start_main_~i~4 13), 4131#(<= ULTIMATE.start_main_~i~4 14), 4132#(<= ULTIMATE.start_main_~i~4 15), 4133#(<= ULTIMATE.start_main_~i~4 16), 4134#(<= ULTIMATE.start_main_~i~4 17), 4135#(<= ULTIMATE.start_main_~i~4 18), 4136#(<= ULTIMATE.start_main_~i~4 19), 4137#(<= ULTIMATE.start_main_~i~4 20), 4138#(<= ULTIMATE.start_main_~i~4 21), 4139#(<= ULTIMATE.start_main_~i~4 22), 4140#(<= ULTIMATE.start_main_~i~4 23), 4141#(<= ULTIMATE.start_main_~i~4 24), 4142#(<= ULTIMATE.start_main_~i~4 25), 4143#(<= ULTIMATE.start_main_~i~4 26), 4144#(<= ULTIMATE.start_main_~i~4 27)] [2018-07-23 13:43:12,093 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 13:43:12,094 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:43:12,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:43:12,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:43:12,095 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 30 states. [2018-07-23 13:43:12,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,116 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:43:12,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:43:12,116 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 58 [2018-07-23 13:43:12,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,117 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:43:12,117 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:43:12,118 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 13:43:12,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:43:12,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:43:12,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:43:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:43:12,121 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:43:12,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,122 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:43:12,122 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:43:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:43:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:43:12,122 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,123 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:43:12,123 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,123 INFO L82 PathProgramCache]: Analyzing trace with hash -488249569, now seen corresponding path program 28 times [2018-07-23 13:43:12,123 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,251 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 13:43:12,251 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,251 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:43:12,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:12,252 INFO L185 omatonBuilderFactory]: Interpolants [4416#(<= ULTIMATE.start_main_~i~4 21), 4417#(<= ULTIMATE.start_main_~i~4 22), 4418#(<= ULTIMATE.start_main_~i~4 23), 4419#(<= ULTIMATE.start_main_~i~4 24), 4420#(<= ULTIMATE.start_main_~i~4 25), 4421#(<= ULTIMATE.start_main_~i~4 26), 4422#(<= ULTIMATE.start_main_~i~4 27), 4423#(<= ULTIMATE.start_main_~i~4 28), 4393#true, 4394#false, 4395#(<= ULTIMATE.start_main_~i~4 0), 4396#(<= ULTIMATE.start_main_~i~4 1), 4397#(<= ULTIMATE.start_main_~i~4 2), 4398#(<= ULTIMATE.start_main_~i~4 3), 4399#(<= ULTIMATE.start_main_~i~4 4), 4400#(<= ULTIMATE.start_main_~i~4 5), 4401#(<= ULTIMATE.start_main_~i~4 6), 4402#(<= ULTIMATE.start_main_~i~4 7), 4403#(<= ULTIMATE.start_main_~i~4 8), 4404#(<= ULTIMATE.start_main_~i~4 9), 4405#(<= ULTIMATE.start_main_~i~4 10), 4406#(<= ULTIMATE.start_main_~i~4 11), 4407#(<= ULTIMATE.start_main_~i~4 12), 4408#(<= ULTIMATE.start_main_~i~4 13), 4409#(<= ULTIMATE.start_main_~i~4 14), 4410#(<= ULTIMATE.start_main_~i~4 15), 4411#(<= ULTIMATE.start_main_~i~4 16), 4412#(<= ULTIMATE.start_main_~i~4 17), 4413#(<= ULTIMATE.start_main_~i~4 18), 4414#(<= ULTIMATE.start_main_~i~4 19), 4415#(<= ULTIMATE.start_main_~i~4 20)] [2018-07-23 13:43:12,253 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 13:43:12,254 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:43:12,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:43:12,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:43:12,255 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 31 states. [2018-07-23 13:43:12,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,272 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:43:12,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:43:12,272 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 60 [2018-07-23 13:43:12,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,273 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:43:12,273 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:43:12,276 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 13:43:12,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:43:12,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:43:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:43:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:43:12,279 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:43:12,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,280 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:43:12,280 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:43:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:43:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:43:12,281 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,281 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:43:12,281 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1056348455, now seen corresponding path program 29 times [2018-07-23 13:43:12,282 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,416 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 13:43:12,416 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,416 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:43:12,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,417 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 13:43:12,417 INFO L185 omatonBuilderFactory]: Interpolants [4680#true, 4681#false, 4682#(<= ULTIMATE.start_main_~i~4 0), 4683#(<= ULTIMATE.start_main_~i~4 1), 4684#(<= ULTIMATE.start_main_~i~4 2), 4685#(<= ULTIMATE.start_main_~i~4 3), 4686#(<= ULTIMATE.start_main_~i~4 4), 4687#(<= ULTIMATE.start_main_~i~4 5), 4688#(<= ULTIMATE.start_main_~i~4 6), 4689#(<= ULTIMATE.start_main_~i~4 7), 4690#(<= ULTIMATE.start_main_~i~4 8), 4691#(<= ULTIMATE.start_main_~i~4 9), 4692#(<= ULTIMATE.start_main_~i~4 10), 4693#(<= ULTIMATE.start_main_~i~4 11), 4694#(<= ULTIMATE.start_main_~i~4 12), 4695#(<= ULTIMATE.start_main_~i~4 13), 4696#(<= ULTIMATE.start_main_~i~4 14), 4697#(<= ULTIMATE.start_main_~i~4 15), 4698#(<= ULTIMATE.start_main_~i~4 16), 4699#(<= ULTIMATE.start_main_~i~4 17), 4700#(<= ULTIMATE.start_main_~i~4 18), 4701#(<= ULTIMATE.start_main_~i~4 19), 4702#(<= ULTIMATE.start_main_~i~4 20), 4703#(<= ULTIMATE.start_main_~i~4 21), 4704#(<= ULTIMATE.start_main_~i~4 22), 4705#(<= ULTIMATE.start_main_~i~4 23), 4706#(<= ULTIMATE.start_main_~i~4 24), 4707#(<= ULTIMATE.start_main_~i~4 25), 4708#(<= ULTIMATE.start_main_~i~4 26), 4709#(<= ULTIMATE.start_main_~i~4 27), 4710#(<= ULTIMATE.start_main_~i~4 28), 4711#(<= ULTIMATE.start_main_~i~4 29)] [2018-07-23 13:43:12,418 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 13:43:12,418 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:43:12,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:43:12,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:43:12,420 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 32 states. [2018-07-23 13:43:12,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,442 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:43:12,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:43:12,442 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2018-07-23 13:43:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,443 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:43:12,443 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:43:12,445 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:43:12,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:43:12,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:43:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:43:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:43:12,448 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:43:12,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,449 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:43:12,449 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:43:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:43:12,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:43:12,450 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,450 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:43:12,450 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1538531309, now seen corresponding path program 30 times [2018-07-23 13:43:12,451 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,626 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 13:43:12,626 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,626 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:43:12,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:12,627 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= ULTIMATE.start_main_~i~4 14), 4993#(<= ULTIMATE.start_main_~i~4 15), 4994#(<= ULTIMATE.start_main_~i~4 16), 4995#(<= ULTIMATE.start_main_~i~4 17), 4996#(<= ULTIMATE.start_main_~i~4 18), 4997#(<= ULTIMATE.start_main_~i~4 19), 4998#(<= ULTIMATE.start_main_~i~4 20), 4999#(<= ULTIMATE.start_main_~i~4 21), 5000#(<= ULTIMATE.start_main_~i~4 22), 5001#(<= ULTIMATE.start_main_~i~4 23), 5002#(<= ULTIMATE.start_main_~i~4 24), 5003#(<= ULTIMATE.start_main_~i~4 25), 5004#(<= ULTIMATE.start_main_~i~4 26), 5005#(<= ULTIMATE.start_main_~i~4 27), 5006#(<= ULTIMATE.start_main_~i~4 28), 5007#(<= ULTIMATE.start_main_~i~4 29), 5008#(<= ULTIMATE.start_main_~i~4 30), 4976#true, 4977#false, 4978#(<= ULTIMATE.start_main_~i~4 0), 4979#(<= ULTIMATE.start_main_~i~4 1), 4980#(<= ULTIMATE.start_main_~i~4 2), 4981#(<= ULTIMATE.start_main_~i~4 3), 4982#(<= ULTIMATE.start_main_~i~4 4), 4983#(<= ULTIMATE.start_main_~i~4 5), 4984#(<= ULTIMATE.start_main_~i~4 6), 4985#(<= ULTIMATE.start_main_~i~4 7), 4986#(<= ULTIMATE.start_main_~i~4 8), 4987#(<= ULTIMATE.start_main_~i~4 9), 4988#(<= ULTIMATE.start_main_~i~4 10), 4989#(<= ULTIMATE.start_main_~i~4 11), 4990#(<= ULTIMATE.start_main_~i~4 12), 4991#(<= ULTIMATE.start_main_~i~4 13)] [2018-07-23 13:43:12,628 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 13:43:12,628 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:43:12,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:43:12,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:43:12,629 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 33 states. [2018-07-23 13:43:12,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,650 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:43:12,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:43:12,651 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 64 [2018-07-23 13:43:12,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,651 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:43:12,652 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:43:12,653 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 13:43:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:43:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:43:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:43:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:43:12,656 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:43:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,656 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:43:12,657 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:43:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:43:12,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:43:12,657 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,657 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:43:12,657 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1059786035, now seen corresponding path program 31 times [2018-07-23 13:43:12,658 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,779 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 13:43:12,780 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,780 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:43:12,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:12,781 INFO L185 omatonBuilderFactory]: Interpolants [5312#(<= ULTIMATE.start_main_~i~4 29), 5313#(<= ULTIMATE.start_main_~i~4 30), 5314#(<= ULTIMATE.start_main_~i~4 31), 5281#true, 5282#false, 5283#(<= ULTIMATE.start_main_~i~4 0), 5284#(<= ULTIMATE.start_main_~i~4 1), 5285#(<= ULTIMATE.start_main_~i~4 2), 5286#(<= ULTIMATE.start_main_~i~4 3), 5287#(<= ULTIMATE.start_main_~i~4 4), 5288#(<= ULTIMATE.start_main_~i~4 5), 5289#(<= ULTIMATE.start_main_~i~4 6), 5290#(<= ULTIMATE.start_main_~i~4 7), 5291#(<= ULTIMATE.start_main_~i~4 8), 5292#(<= ULTIMATE.start_main_~i~4 9), 5293#(<= ULTIMATE.start_main_~i~4 10), 5294#(<= ULTIMATE.start_main_~i~4 11), 5295#(<= ULTIMATE.start_main_~i~4 12), 5296#(<= ULTIMATE.start_main_~i~4 13), 5297#(<= ULTIMATE.start_main_~i~4 14), 5298#(<= ULTIMATE.start_main_~i~4 15), 5299#(<= ULTIMATE.start_main_~i~4 16), 5300#(<= ULTIMATE.start_main_~i~4 17), 5301#(<= ULTIMATE.start_main_~i~4 18), 5302#(<= ULTIMATE.start_main_~i~4 19), 5303#(<= ULTIMATE.start_main_~i~4 20), 5304#(<= ULTIMATE.start_main_~i~4 21), 5305#(<= ULTIMATE.start_main_~i~4 22), 5306#(<= ULTIMATE.start_main_~i~4 23), 5307#(<= ULTIMATE.start_main_~i~4 24), 5308#(<= ULTIMATE.start_main_~i~4 25), 5309#(<= ULTIMATE.start_main_~i~4 26), 5310#(<= ULTIMATE.start_main_~i~4 27), 5311#(<= ULTIMATE.start_main_~i~4 28)] [2018-07-23 13:43:12,781 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 13:43:12,782 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:43:12,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:43:12,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:43:12,783 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 34 states. [2018-07-23 13:43:12,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,801 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:43:12,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:43:12,801 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 66 [2018-07-23 13:43:12,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,802 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:43:12,802 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:43:12,803 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 13:43:12,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:43:12,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:43:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:43:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:43:12,807 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:43:12,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,807 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:43:12,807 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:43:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:43:12,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:43:12,808 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,808 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:43:12,808 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,809 INFO L82 PathProgramCache]: Analyzing trace with hash -547078393, now seen corresponding path program 32 times [2018-07-23 13:43:12,809 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,939 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 13:43:12,939 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,939 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:43:12,940 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,940 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 13:43:12,940 INFO L185 omatonBuilderFactory]: Interpolants [5595#true, 5596#false, 5597#(<= ULTIMATE.start_main_~i~4 0), 5598#(<= ULTIMATE.start_main_~i~4 1), 5599#(<= ULTIMATE.start_main_~i~4 2), 5600#(<= ULTIMATE.start_main_~i~4 3), 5601#(<= ULTIMATE.start_main_~i~4 4), 5602#(<= ULTIMATE.start_main_~i~4 5), 5603#(<= ULTIMATE.start_main_~i~4 6), 5604#(<= ULTIMATE.start_main_~i~4 7), 5605#(<= ULTIMATE.start_main_~i~4 8), 5606#(<= ULTIMATE.start_main_~i~4 9), 5607#(<= ULTIMATE.start_main_~i~4 10), 5608#(<= ULTIMATE.start_main_~i~4 11), 5609#(<= ULTIMATE.start_main_~i~4 12), 5610#(<= ULTIMATE.start_main_~i~4 13), 5611#(<= ULTIMATE.start_main_~i~4 14), 5612#(<= ULTIMATE.start_main_~i~4 15), 5613#(<= ULTIMATE.start_main_~i~4 16), 5614#(<= ULTIMATE.start_main_~i~4 17), 5615#(<= ULTIMATE.start_main_~i~4 18), 5616#(<= ULTIMATE.start_main_~i~4 19), 5617#(<= ULTIMATE.start_main_~i~4 20), 5618#(<= ULTIMATE.start_main_~i~4 21), 5619#(<= ULTIMATE.start_main_~i~4 22), 5620#(<= ULTIMATE.start_main_~i~4 23), 5621#(<= ULTIMATE.start_main_~i~4 24), 5622#(<= ULTIMATE.start_main_~i~4 25), 5623#(<= ULTIMATE.start_main_~i~4 26), 5624#(<= ULTIMATE.start_main_~i~4 27), 5625#(<= ULTIMATE.start_main_~i~4 28), 5626#(<= ULTIMATE.start_main_~i~4 29), 5627#(<= ULTIMATE.start_main_~i~4 30), 5628#(<= ULTIMATE.start_main_~i~4 31), 5629#(<= ULTIMATE.start_main_~i~4 32)] [2018-07-23 13:43:12,941 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 13:43:12,941 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:43:12,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:43:12,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:43:12,943 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 35 states. [2018-07-23 13:43:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:12,966 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:43:12,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:43:12,966 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 68 [2018-07-23 13:43:12,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:12,967 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:43:12,967 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:43:12,968 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 13:43:12,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:43:12,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:43:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:43:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:43:12,971 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:43:12,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:12,972 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:43:12,972 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:43:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:43:12,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:43:12,972 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:12,973 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:43:12,973 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:12,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1756273471, now seen corresponding path program 33 times [2018-07-23 13:43:12,973 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:13,114 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 13:43:13,114 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:13,115 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:43:13,115 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:13,115 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= ULTIMATE.start_main_~i~4 32), 5953#(<= ULTIMATE.start_main_~i~4 33), 5918#true, 5919#false, 5920#(<= ULTIMATE.start_main_~i~4 0), 5921#(<= ULTIMATE.start_main_~i~4 1), 5922#(<= ULTIMATE.start_main_~i~4 2), 5923#(<= ULTIMATE.start_main_~i~4 3), 5924#(<= ULTIMATE.start_main_~i~4 4), 5925#(<= ULTIMATE.start_main_~i~4 5), 5926#(<= ULTIMATE.start_main_~i~4 6), 5927#(<= ULTIMATE.start_main_~i~4 7), 5928#(<= ULTIMATE.start_main_~i~4 8), 5929#(<= ULTIMATE.start_main_~i~4 9), 5930#(<= ULTIMATE.start_main_~i~4 10), 5931#(<= ULTIMATE.start_main_~i~4 11), 5932#(<= ULTIMATE.start_main_~i~4 12), 5933#(<= ULTIMATE.start_main_~i~4 13), 5934#(<= ULTIMATE.start_main_~i~4 14), 5935#(<= ULTIMATE.start_main_~i~4 15), 5936#(<= ULTIMATE.start_main_~i~4 16), 5937#(<= ULTIMATE.start_main_~i~4 17), 5938#(<= ULTIMATE.start_main_~i~4 18), 5939#(<= ULTIMATE.start_main_~i~4 19), 5940#(<= ULTIMATE.start_main_~i~4 20), 5941#(<= ULTIMATE.start_main_~i~4 21), 5942#(<= ULTIMATE.start_main_~i~4 22), 5943#(<= ULTIMATE.start_main_~i~4 23), 5944#(<= ULTIMATE.start_main_~i~4 24), 5945#(<= ULTIMATE.start_main_~i~4 25), 5946#(<= ULTIMATE.start_main_~i~4 26), 5947#(<= ULTIMATE.start_main_~i~4 27), 5948#(<= ULTIMATE.start_main_~i~4 28), 5949#(<= ULTIMATE.start_main_~i~4 29), 5950#(<= ULTIMATE.start_main_~i~4 30), 5951#(<= ULTIMATE.start_main_~i~4 31)] [2018-07-23 13:43:13,117 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 13:43:13,117 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:43:13,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:43:13,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:43:13,121 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 36 states. [2018-07-23 13:43:13,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,144 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:43:13,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:43:13,145 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 70 [2018-07-23 13:43:13,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,145 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:43:13,146 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:43:13,147 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 13:43:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:43:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:43:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:43:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:43:13,151 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:43:13,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,151 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:43:13,151 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:43:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:43:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:43:13,152 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,152 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:43:13,155 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,155 INFO L82 PathProgramCache]: Analyzing trace with hash 143393787, now seen corresponding path program 34 times [2018-07-23 13:43:13,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:13,294 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 13:43:13,294 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:13,294 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:43:13,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:13,295 INFO L185 omatonBuilderFactory]: Interpolants [6272#(<= ULTIMATE.start_main_~i~4 20), 6273#(<= ULTIMATE.start_main_~i~4 21), 6274#(<= ULTIMATE.start_main_~i~4 22), 6275#(<= ULTIMATE.start_main_~i~4 23), 6276#(<= ULTIMATE.start_main_~i~4 24), 6277#(<= ULTIMATE.start_main_~i~4 25), 6278#(<= ULTIMATE.start_main_~i~4 26), 6279#(<= ULTIMATE.start_main_~i~4 27), 6280#(<= ULTIMATE.start_main_~i~4 28), 6281#(<= ULTIMATE.start_main_~i~4 29), 6282#(<= ULTIMATE.start_main_~i~4 30), 6283#(<= ULTIMATE.start_main_~i~4 31), 6284#(<= ULTIMATE.start_main_~i~4 32), 6285#(<= ULTIMATE.start_main_~i~4 33), 6286#(<= ULTIMATE.start_main_~i~4 34), 6250#true, 6251#false, 6252#(<= ULTIMATE.start_main_~i~4 0), 6253#(<= ULTIMATE.start_main_~i~4 1), 6254#(<= ULTIMATE.start_main_~i~4 2), 6255#(<= ULTIMATE.start_main_~i~4 3), 6256#(<= ULTIMATE.start_main_~i~4 4), 6257#(<= ULTIMATE.start_main_~i~4 5), 6258#(<= ULTIMATE.start_main_~i~4 6), 6259#(<= ULTIMATE.start_main_~i~4 7), 6260#(<= ULTIMATE.start_main_~i~4 8), 6261#(<= ULTIMATE.start_main_~i~4 9), 6262#(<= ULTIMATE.start_main_~i~4 10), 6263#(<= ULTIMATE.start_main_~i~4 11), 6264#(<= ULTIMATE.start_main_~i~4 12), 6265#(<= ULTIMATE.start_main_~i~4 13), 6266#(<= ULTIMATE.start_main_~i~4 14), 6267#(<= ULTIMATE.start_main_~i~4 15), 6268#(<= ULTIMATE.start_main_~i~4 16), 6269#(<= ULTIMATE.start_main_~i~4 17), 6270#(<= ULTIMATE.start_main_~i~4 18), 6271#(<= ULTIMATE.start_main_~i~4 19)] [2018-07-23 13:43:13,296 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 13:43:13,296 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:43:13,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:43:13,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:43:13,297 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 37 states. [2018-07-23 13:43:13,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,317 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:43:13,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:43:13,318 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2018-07-23 13:43:13,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,318 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:43:13,318 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:43:13,319 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 13:43:13,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:43:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:43:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:43:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:43:13,323 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:43:13,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,323 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:43:13,323 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:43:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:43:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:43:13,324 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,324 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:43:13,324 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,324 INFO L82 PathProgramCache]: Analyzing trace with hash 362527925, now seen corresponding path program 35 times [2018-07-23 13:43:13,325 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:13,470 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 13:43:13,470 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:13,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:43:13,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:13,471 INFO L185 omatonBuilderFactory]: Interpolants [6592#false, 6593#(<= ULTIMATE.start_main_~i~4 0), 6594#(<= ULTIMATE.start_main_~i~4 1), 6595#(<= ULTIMATE.start_main_~i~4 2), 6596#(<= ULTIMATE.start_main_~i~4 3), 6597#(<= ULTIMATE.start_main_~i~4 4), 6598#(<= ULTIMATE.start_main_~i~4 5), 6599#(<= ULTIMATE.start_main_~i~4 6), 6600#(<= ULTIMATE.start_main_~i~4 7), 6601#(<= ULTIMATE.start_main_~i~4 8), 6602#(<= ULTIMATE.start_main_~i~4 9), 6603#(<= ULTIMATE.start_main_~i~4 10), 6604#(<= ULTIMATE.start_main_~i~4 11), 6605#(<= ULTIMATE.start_main_~i~4 12), 6606#(<= ULTIMATE.start_main_~i~4 13), 6607#(<= ULTIMATE.start_main_~i~4 14), 6608#(<= ULTIMATE.start_main_~i~4 15), 6609#(<= ULTIMATE.start_main_~i~4 16), 6610#(<= ULTIMATE.start_main_~i~4 17), 6611#(<= ULTIMATE.start_main_~i~4 18), 6612#(<= ULTIMATE.start_main_~i~4 19), 6613#(<= ULTIMATE.start_main_~i~4 20), 6614#(<= ULTIMATE.start_main_~i~4 21), 6615#(<= ULTIMATE.start_main_~i~4 22), 6616#(<= ULTIMATE.start_main_~i~4 23), 6617#(<= ULTIMATE.start_main_~i~4 24), 6618#(<= ULTIMATE.start_main_~i~4 25), 6619#(<= ULTIMATE.start_main_~i~4 26), 6620#(<= ULTIMATE.start_main_~i~4 27), 6621#(<= ULTIMATE.start_main_~i~4 28), 6622#(<= ULTIMATE.start_main_~i~4 29), 6623#(<= ULTIMATE.start_main_~i~4 30), 6624#(<= ULTIMATE.start_main_~i~4 31), 6625#(<= ULTIMATE.start_main_~i~4 32), 6626#(<= ULTIMATE.start_main_~i~4 33), 6627#(<= ULTIMATE.start_main_~i~4 34), 6628#(<= ULTIMATE.start_main_~i~4 35), 6591#true] [2018-07-23 13:43:13,474 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 13:43:13,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:43:13,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:43:13,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:43:13,476 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 38 states. [2018-07-23 13:43:13,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,501 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:43:13,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:43:13,501 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 74 [2018-07-23 13:43:13,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,502 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:43:13,502 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:43:13,503 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 13:43:13,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:43:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:43:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:43:13,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:43:13,506 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:43:13,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,506 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:43:13,506 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:43:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:43:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:43:13,507 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,507 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:43:13,508 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,508 INFO L82 PathProgramCache]: Analyzing trace with hash 497037039, now seen corresponding path program 36 times [2018-07-23 13:43:13,508 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:13,643 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 13:43:13,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:13,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:43:13,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:13,644 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 13:43:13,645 INFO L185 omatonBuilderFactory]: Interpolants [6976#(<= ULTIMATE.start_main_~i~4 33), 6977#(<= ULTIMATE.start_main_~i~4 34), 6978#(<= ULTIMATE.start_main_~i~4 35), 6979#(<= ULTIMATE.start_main_~i~4 36), 6941#true, 6942#false, 6943#(<= ULTIMATE.start_main_~i~4 0), 6944#(<= ULTIMATE.start_main_~i~4 1), 6945#(<= ULTIMATE.start_main_~i~4 2), 6946#(<= ULTIMATE.start_main_~i~4 3), 6947#(<= ULTIMATE.start_main_~i~4 4), 6948#(<= ULTIMATE.start_main_~i~4 5), 6949#(<= ULTIMATE.start_main_~i~4 6), 6950#(<= ULTIMATE.start_main_~i~4 7), 6951#(<= ULTIMATE.start_main_~i~4 8), 6952#(<= ULTIMATE.start_main_~i~4 9), 6953#(<= ULTIMATE.start_main_~i~4 10), 6954#(<= ULTIMATE.start_main_~i~4 11), 6955#(<= ULTIMATE.start_main_~i~4 12), 6956#(<= ULTIMATE.start_main_~i~4 13), 6957#(<= ULTIMATE.start_main_~i~4 14), 6958#(<= ULTIMATE.start_main_~i~4 15), 6959#(<= ULTIMATE.start_main_~i~4 16), 6960#(<= ULTIMATE.start_main_~i~4 17), 6961#(<= ULTIMATE.start_main_~i~4 18), 6962#(<= ULTIMATE.start_main_~i~4 19), 6963#(<= ULTIMATE.start_main_~i~4 20), 6964#(<= ULTIMATE.start_main_~i~4 21), 6965#(<= ULTIMATE.start_main_~i~4 22), 6966#(<= ULTIMATE.start_main_~i~4 23), 6967#(<= ULTIMATE.start_main_~i~4 24), 6968#(<= ULTIMATE.start_main_~i~4 25), 6969#(<= ULTIMATE.start_main_~i~4 26), 6970#(<= ULTIMATE.start_main_~i~4 27), 6971#(<= ULTIMATE.start_main_~i~4 28), 6972#(<= ULTIMATE.start_main_~i~4 29), 6973#(<= ULTIMATE.start_main_~i~4 30), 6974#(<= ULTIMATE.start_main_~i~4 31), 6975#(<= ULTIMATE.start_main_~i~4 32)] [2018-07-23 13:43:13,645 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 13:43:13,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:43:13,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:43:13,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:43:13,647 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 39 states. [2018-07-23 13:43:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,669 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:43:13,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:43:13,669 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 76 [2018-07-23 13:43:13,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,670 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:43:13,670 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:43:13,671 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:43:13,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:43:13,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:43:13,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:43:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:43:13,675 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:43:13,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,675 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:43:13,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:43:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:43:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:43:13,676 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,676 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:43:13,676 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,677 INFO L82 PathProgramCache]: Analyzing trace with hash 911276713, now seen corresponding path program 37 times [2018-07-23 13:43:13,677 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:13,819 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 13:43:13,819 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:13,819 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:43:13,819 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:13,820 INFO L185 omatonBuilderFactory]: Interpolants [7300#true, 7301#false, 7302#(<= ULTIMATE.start_main_~i~4 0), 7303#(<= ULTIMATE.start_main_~i~4 1), 7304#(<= ULTIMATE.start_main_~i~4 2), 7305#(<= ULTIMATE.start_main_~i~4 3), 7306#(<= ULTIMATE.start_main_~i~4 4), 7307#(<= ULTIMATE.start_main_~i~4 5), 7308#(<= ULTIMATE.start_main_~i~4 6), 7309#(<= ULTIMATE.start_main_~i~4 7), 7310#(<= ULTIMATE.start_main_~i~4 8), 7311#(<= ULTIMATE.start_main_~i~4 9), 7312#(<= ULTIMATE.start_main_~i~4 10), 7313#(<= ULTIMATE.start_main_~i~4 11), 7314#(<= ULTIMATE.start_main_~i~4 12), 7315#(<= ULTIMATE.start_main_~i~4 13), 7316#(<= ULTIMATE.start_main_~i~4 14), 7317#(<= ULTIMATE.start_main_~i~4 15), 7318#(<= ULTIMATE.start_main_~i~4 16), 7319#(<= ULTIMATE.start_main_~i~4 17), 7320#(<= ULTIMATE.start_main_~i~4 18), 7321#(<= ULTIMATE.start_main_~i~4 19), 7322#(<= ULTIMATE.start_main_~i~4 20), 7323#(<= ULTIMATE.start_main_~i~4 21), 7324#(<= ULTIMATE.start_main_~i~4 22), 7325#(<= ULTIMATE.start_main_~i~4 23), 7326#(<= ULTIMATE.start_main_~i~4 24), 7327#(<= ULTIMATE.start_main_~i~4 25), 7328#(<= ULTIMATE.start_main_~i~4 26), 7329#(<= ULTIMATE.start_main_~i~4 27), 7330#(<= ULTIMATE.start_main_~i~4 28), 7331#(<= ULTIMATE.start_main_~i~4 29), 7332#(<= ULTIMATE.start_main_~i~4 30), 7333#(<= ULTIMATE.start_main_~i~4 31), 7334#(<= ULTIMATE.start_main_~i~4 32), 7335#(<= ULTIMATE.start_main_~i~4 33), 7336#(<= ULTIMATE.start_main_~i~4 34), 7337#(<= ULTIMATE.start_main_~i~4 35), 7338#(<= ULTIMATE.start_main_~i~4 36), 7339#(<= ULTIMATE.start_main_~i~4 37)] [2018-07-23 13:43:13,821 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 13:43:13,821 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:43:13,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:43:13,822 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:43:13,822 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 40 states. [2018-07-23 13:43:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,851 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:43:13,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:43:13,852 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 78 [2018-07-23 13:43:13,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,852 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:43:13,853 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:43:13,854 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 13:43:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:43:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:43:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:43:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:43:13,860 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:43:13,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,860 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:43:13,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:43:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:43:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:43:13,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,862 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:43:13,862 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,862 INFO L82 PathProgramCache]: Analyzing trace with hash -436355101, now seen corresponding path program 38 times [2018-07-23 13:43:13,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,011 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 13:43:14,012 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,012 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:43:14,012 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,013 INFO L185 omatonBuilderFactory]: Interpolants [7680#(<= ULTIMATE.start_main_~i~4 10), 7681#(<= ULTIMATE.start_main_~i~4 11), 7682#(<= ULTIMATE.start_main_~i~4 12), 7683#(<= ULTIMATE.start_main_~i~4 13), 7684#(<= ULTIMATE.start_main_~i~4 14), 7685#(<= ULTIMATE.start_main_~i~4 15), 7686#(<= ULTIMATE.start_main_~i~4 16), 7687#(<= ULTIMATE.start_main_~i~4 17), 7688#(<= ULTIMATE.start_main_~i~4 18), 7689#(<= ULTIMATE.start_main_~i~4 19), 7690#(<= ULTIMATE.start_main_~i~4 20), 7691#(<= ULTIMATE.start_main_~i~4 21), 7692#(<= ULTIMATE.start_main_~i~4 22), 7693#(<= ULTIMATE.start_main_~i~4 23), 7694#(<= ULTIMATE.start_main_~i~4 24), 7695#(<= ULTIMATE.start_main_~i~4 25), 7696#(<= ULTIMATE.start_main_~i~4 26), 7697#(<= ULTIMATE.start_main_~i~4 27), 7698#(<= ULTIMATE.start_main_~i~4 28), 7699#(<= ULTIMATE.start_main_~i~4 29), 7700#(<= ULTIMATE.start_main_~i~4 30), 7701#(<= ULTIMATE.start_main_~i~4 31), 7702#(<= ULTIMATE.start_main_~i~4 32), 7703#(<= ULTIMATE.start_main_~i~4 33), 7704#(<= ULTIMATE.start_main_~i~4 34), 7705#(<= ULTIMATE.start_main_~i~4 35), 7706#(<= ULTIMATE.start_main_~i~4 36), 7707#(<= ULTIMATE.start_main_~i~4 37), 7708#(<= ULTIMATE.start_main_~i~4 38), 7668#true, 7669#false, 7670#(<= ULTIMATE.start_main_~i~4 0), 7671#(<= ULTIMATE.start_main_~i~4 1), 7672#(<= ULTIMATE.start_main_~i~4 2), 7673#(<= ULTIMATE.start_main_~i~4 3), 7674#(<= ULTIMATE.start_main_~i~4 4), 7675#(<= ULTIMATE.start_main_~i~4 5), 7676#(<= ULTIMATE.start_main_~i~4 6), 7677#(<= ULTIMATE.start_main_~i~4 7), 7678#(<= ULTIMATE.start_main_~i~4 8), 7679#(<= ULTIMATE.start_main_~i~4 9)] [2018-07-23 13:43:14,014 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 13:43:14,014 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:43:14,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:43:14,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:43:14,015 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 41 states. [2018-07-23 13:43:14,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:14,041 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:43:14,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:43:14,041 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2018-07-23 13:43:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:14,042 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:43:14,042 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:43:14,043 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 13:43:14,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:43:14,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:43:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:43:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:43:14,047 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:43:14,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:14,047 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:43:14,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:43:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:43:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:43:14,048 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:14,048 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:43:14,049 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:14,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1569595037, now seen corresponding path program 39 times [2018-07-23 13:43:14,049 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,203 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 13:43:14,204 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,204 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:43:14,204 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,205 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= ULTIMATE.start_main_~i~4 17), 8065#(<= ULTIMATE.start_main_~i~4 18), 8066#(<= ULTIMATE.start_main_~i~4 19), 8067#(<= ULTIMATE.start_main_~i~4 20), 8068#(<= ULTIMATE.start_main_~i~4 21), 8069#(<= ULTIMATE.start_main_~i~4 22), 8070#(<= ULTIMATE.start_main_~i~4 23), 8071#(<= ULTIMATE.start_main_~i~4 24), 8072#(<= ULTIMATE.start_main_~i~4 25), 8073#(<= ULTIMATE.start_main_~i~4 26), 8074#(<= ULTIMATE.start_main_~i~4 27), 8075#(<= ULTIMATE.start_main_~i~4 28), 8076#(<= ULTIMATE.start_main_~i~4 29), 8077#(<= ULTIMATE.start_main_~i~4 30), 8078#(<= ULTIMATE.start_main_~i~4 31), 8079#(<= ULTIMATE.start_main_~i~4 32), 8080#(<= ULTIMATE.start_main_~i~4 33), 8081#(<= ULTIMATE.start_main_~i~4 34), 8082#(<= ULTIMATE.start_main_~i~4 35), 8083#(<= ULTIMATE.start_main_~i~4 36), 8084#(<= ULTIMATE.start_main_~i~4 37), 8085#(<= ULTIMATE.start_main_~i~4 38), 8086#(<= ULTIMATE.start_main_~i~4 39), 8045#true, 8046#false, 8047#(<= ULTIMATE.start_main_~i~4 0), 8048#(<= ULTIMATE.start_main_~i~4 1), 8049#(<= ULTIMATE.start_main_~i~4 2), 8050#(<= ULTIMATE.start_main_~i~4 3), 8051#(<= ULTIMATE.start_main_~i~4 4), 8052#(<= ULTIMATE.start_main_~i~4 5), 8053#(<= ULTIMATE.start_main_~i~4 6), 8054#(<= ULTIMATE.start_main_~i~4 7), 8055#(<= ULTIMATE.start_main_~i~4 8), 8056#(<= ULTIMATE.start_main_~i~4 9), 8057#(<= ULTIMATE.start_main_~i~4 10), 8058#(<= ULTIMATE.start_main_~i~4 11), 8059#(<= ULTIMATE.start_main_~i~4 12), 8060#(<= ULTIMATE.start_main_~i~4 13), 8061#(<= ULTIMATE.start_main_~i~4 14), 8062#(<= ULTIMATE.start_main_~i~4 15), 8063#(<= ULTIMATE.start_main_~i~4 16)] [2018-07-23 13:43:14,205 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 13:43:14,205 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:43:14,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:43:14,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:43:14,207 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 42 states. [2018-07-23 13:43:14,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:14,232 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:43:14,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:43:14,232 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 82 [2018-07-23 13:43:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:14,233 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:43:14,233 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:43:14,234 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 13:43:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:43:14,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:43:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:43:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:43:14,240 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:43:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:14,241 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:43:14,241 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:43:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:43:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:43:14,242 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:14,242 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:43:14,242 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash 847361751, now seen corresponding path program 40 times [2018-07-23 13:43:14,242 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,413 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 13:43:14,413 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,413 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:43:14,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,414 INFO L185 omatonBuilderFactory]: Interpolants [8448#(<= ULTIMATE.start_main_~i~4 15), 8449#(<= ULTIMATE.start_main_~i~4 16), 8450#(<= ULTIMATE.start_main_~i~4 17), 8451#(<= ULTIMATE.start_main_~i~4 18), 8452#(<= ULTIMATE.start_main_~i~4 19), 8453#(<= ULTIMATE.start_main_~i~4 20), 8454#(<= ULTIMATE.start_main_~i~4 21), 8455#(<= ULTIMATE.start_main_~i~4 22), 8456#(<= ULTIMATE.start_main_~i~4 23), 8457#(<= ULTIMATE.start_main_~i~4 24), 8458#(<= ULTIMATE.start_main_~i~4 25), 8459#(<= ULTIMATE.start_main_~i~4 26), 8460#(<= ULTIMATE.start_main_~i~4 27), 8461#(<= ULTIMATE.start_main_~i~4 28), 8462#(<= ULTIMATE.start_main_~i~4 29), 8463#(<= ULTIMATE.start_main_~i~4 30), 8464#(<= ULTIMATE.start_main_~i~4 31), 8465#(<= ULTIMATE.start_main_~i~4 32), 8466#(<= ULTIMATE.start_main_~i~4 33), 8467#(<= ULTIMATE.start_main_~i~4 34), 8468#(<= ULTIMATE.start_main_~i~4 35), 8469#(<= ULTIMATE.start_main_~i~4 36), 8470#(<= ULTIMATE.start_main_~i~4 37), 8471#(<= ULTIMATE.start_main_~i~4 38), 8472#(<= ULTIMATE.start_main_~i~4 39), 8473#(<= ULTIMATE.start_main_~i~4 40), 8431#true, 8432#false, 8433#(<= ULTIMATE.start_main_~i~4 0), 8434#(<= ULTIMATE.start_main_~i~4 1), 8435#(<= ULTIMATE.start_main_~i~4 2), 8436#(<= ULTIMATE.start_main_~i~4 3), 8437#(<= ULTIMATE.start_main_~i~4 4), 8438#(<= ULTIMATE.start_main_~i~4 5), 8439#(<= ULTIMATE.start_main_~i~4 6), 8440#(<= ULTIMATE.start_main_~i~4 7), 8441#(<= ULTIMATE.start_main_~i~4 8), 8442#(<= ULTIMATE.start_main_~i~4 9), 8443#(<= ULTIMATE.start_main_~i~4 10), 8444#(<= ULTIMATE.start_main_~i~4 11), 8445#(<= ULTIMATE.start_main_~i~4 12), 8446#(<= ULTIMATE.start_main_~i~4 13), 8447#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:43:14,415 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 13:43:14,415 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:43:14,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:43:14,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:43:14,420 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 43 states. [2018-07-23 13:43:14,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:14,444 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:43:14,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:43:14,444 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 84 [2018-07-23 13:43:14,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:14,445 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:43:14,445 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:43:14,446 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 13:43:14,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:43:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:43:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:43:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:43:14,450 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:43:14,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:14,451 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:43:14,451 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:43:14,451 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:43:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:43:14,452 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:14,452 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:43:14,452 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:14,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1729091439, now seen corresponding path program 41 times [2018-07-23 13:43:14,452 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,665 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 13:43:14,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,666 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:43:14,666 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,667 INFO L185 omatonBuilderFactory]: Interpolants [8832#(<= ULTIMATE.start_main_~i~4 4), 8833#(<= ULTIMATE.start_main_~i~4 5), 8834#(<= ULTIMATE.start_main_~i~4 6), 8835#(<= ULTIMATE.start_main_~i~4 7), 8836#(<= ULTIMATE.start_main_~i~4 8), 8837#(<= ULTIMATE.start_main_~i~4 9), 8838#(<= ULTIMATE.start_main_~i~4 10), 8839#(<= ULTIMATE.start_main_~i~4 11), 8840#(<= ULTIMATE.start_main_~i~4 12), 8841#(<= ULTIMATE.start_main_~i~4 13), 8842#(<= ULTIMATE.start_main_~i~4 14), 8843#(<= ULTIMATE.start_main_~i~4 15), 8844#(<= ULTIMATE.start_main_~i~4 16), 8845#(<= ULTIMATE.start_main_~i~4 17), 8846#(<= ULTIMATE.start_main_~i~4 18), 8847#(<= ULTIMATE.start_main_~i~4 19), 8848#(<= ULTIMATE.start_main_~i~4 20), 8849#(<= ULTIMATE.start_main_~i~4 21), 8850#(<= ULTIMATE.start_main_~i~4 22), 8851#(<= ULTIMATE.start_main_~i~4 23), 8852#(<= ULTIMATE.start_main_~i~4 24), 8853#(<= ULTIMATE.start_main_~i~4 25), 8854#(<= ULTIMATE.start_main_~i~4 26), 8855#(<= ULTIMATE.start_main_~i~4 27), 8856#(<= ULTIMATE.start_main_~i~4 28), 8857#(<= ULTIMATE.start_main_~i~4 29), 8858#(<= ULTIMATE.start_main_~i~4 30), 8859#(<= ULTIMATE.start_main_~i~4 31), 8860#(<= ULTIMATE.start_main_~i~4 32), 8861#(<= ULTIMATE.start_main_~i~4 33), 8862#(<= ULTIMATE.start_main_~i~4 34), 8863#(<= ULTIMATE.start_main_~i~4 35), 8864#(<= ULTIMATE.start_main_~i~4 36), 8865#(<= ULTIMATE.start_main_~i~4 37), 8866#(<= ULTIMATE.start_main_~i~4 38), 8867#(<= ULTIMATE.start_main_~i~4 39), 8868#(<= ULTIMATE.start_main_~i~4 40), 8869#(<= ULTIMATE.start_main_~i~4 41), 8826#true, 8827#false, 8828#(<= ULTIMATE.start_main_~i~4 0), 8829#(<= ULTIMATE.start_main_~i~4 1), 8830#(<= ULTIMATE.start_main_~i~4 2), 8831#(<= ULTIMATE.start_main_~i~4 3)] [2018-07-23 13:43:14,667 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 13:43:14,668 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:43:14,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:43:14,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:43:14,670 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 44 states. [2018-07-23 13:43:14,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:14,705 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:43:14,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:43:14,706 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 86 [2018-07-23 13:43:14,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:14,707 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:43:14,707 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:43:14,708 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 13:43:14,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:43:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:43:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:43:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:43:14,714 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:43:14,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:14,714 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:43:14,714 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:43:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:43:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:43:14,715 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:14,715 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:43:14,716 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash 495522763, now seen corresponding path program 42 times [2018-07-23 13:43:14,716 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,953 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 13:43:14,954 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,954 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:43:14,954 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,955 INFO L185 omatonBuilderFactory]: Interpolants [9230#true, 9231#false, 9232#(<= ULTIMATE.start_main_~i~4 0), 9233#(<= ULTIMATE.start_main_~i~4 1), 9234#(<= ULTIMATE.start_main_~i~4 2), 9235#(<= ULTIMATE.start_main_~i~4 3), 9236#(<= ULTIMATE.start_main_~i~4 4), 9237#(<= ULTIMATE.start_main_~i~4 5), 9238#(<= ULTIMATE.start_main_~i~4 6), 9239#(<= ULTIMATE.start_main_~i~4 7), 9240#(<= ULTIMATE.start_main_~i~4 8), 9241#(<= ULTIMATE.start_main_~i~4 9), 9242#(<= ULTIMATE.start_main_~i~4 10), 9243#(<= ULTIMATE.start_main_~i~4 11), 9244#(<= ULTIMATE.start_main_~i~4 12), 9245#(<= ULTIMATE.start_main_~i~4 13), 9246#(<= ULTIMATE.start_main_~i~4 14), 9247#(<= ULTIMATE.start_main_~i~4 15), 9248#(<= ULTIMATE.start_main_~i~4 16), 9249#(<= ULTIMATE.start_main_~i~4 17), 9250#(<= ULTIMATE.start_main_~i~4 18), 9251#(<= ULTIMATE.start_main_~i~4 19), 9252#(<= ULTIMATE.start_main_~i~4 20), 9253#(<= ULTIMATE.start_main_~i~4 21), 9254#(<= ULTIMATE.start_main_~i~4 22), 9255#(<= ULTIMATE.start_main_~i~4 23), 9256#(<= ULTIMATE.start_main_~i~4 24), 9257#(<= ULTIMATE.start_main_~i~4 25), 9258#(<= ULTIMATE.start_main_~i~4 26), 9259#(<= ULTIMATE.start_main_~i~4 27), 9260#(<= ULTIMATE.start_main_~i~4 28), 9261#(<= ULTIMATE.start_main_~i~4 29), 9262#(<= ULTIMATE.start_main_~i~4 30), 9263#(<= ULTIMATE.start_main_~i~4 31), 9264#(<= ULTIMATE.start_main_~i~4 32), 9265#(<= ULTIMATE.start_main_~i~4 33), 9266#(<= ULTIMATE.start_main_~i~4 34), 9267#(<= ULTIMATE.start_main_~i~4 35), 9268#(<= ULTIMATE.start_main_~i~4 36), 9269#(<= ULTIMATE.start_main_~i~4 37), 9270#(<= ULTIMATE.start_main_~i~4 38), 9271#(<= ULTIMATE.start_main_~i~4 39), 9272#(<= ULTIMATE.start_main_~i~4 40), 9273#(<= ULTIMATE.start_main_~i~4 41), 9274#(<= ULTIMATE.start_main_~i~4 42)] [2018-07-23 13:43:14,955 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 13:43:14,956 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:43:14,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:43:14,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:43:14,958 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 45 states. [2018-07-23 13:43:14,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:14,995 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:43:14,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:43:14,995 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 88 [2018-07-23 13:43:14,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:14,996 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:43:14,996 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:43:14,997 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 13:43:14,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:43:15,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:43:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:43:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:43:15,006 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:43:15,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:15,007 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:43:15,007 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:43:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:43:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:43:15,008 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:15,008 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:43:15,008 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:15,008 INFO L82 PathProgramCache]: Analyzing trace with hash -543942523, now seen corresponding path program 43 times [2018-07-23 13:43:15,009 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:15,180 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 13:43:15,180 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:15,181 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:43:15,181 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:15,181 INFO L185 omatonBuilderFactory]: Interpolants [9664#(<= ULTIMATE.start_main_~i~4 19), 9665#(<= ULTIMATE.start_main_~i~4 20), 9666#(<= ULTIMATE.start_main_~i~4 21), 9667#(<= ULTIMATE.start_main_~i~4 22), 9668#(<= ULTIMATE.start_main_~i~4 23), 9669#(<= ULTIMATE.start_main_~i~4 24), 9670#(<= ULTIMATE.start_main_~i~4 25), 9671#(<= ULTIMATE.start_main_~i~4 26), 9672#(<= ULTIMATE.start_main_~i~4 27), 9673#(<= ULTIMATE.start_main_~i~4 28), 9674#(<= ULTIMATE.start_main_~i~4 29), 9675#(<= ULTIMATE.start_main_~i~4 30), 9676#(<= ULTIMATE.start_main_~i~4 31), 9677#(<= ULTIMATE.start_main_~i~4 32), 9678#(<= ULTIMATE.start_main_~i~4 33), 9679#(<= ULTIMATE.start_main_~i~4 34), 9680#(<= ULTIMATE.start_main_~i~4 35), 9681#(<= ULTIMATE.start_main_~i~4 36), 9682#(<= ULTIMATE.start_main_~i~4 37), 9683#(<= ULTIMATE.start_main_~i~4 38), 9684#(<= ULTIMATE.start_main_~i~4 39), 9685#(<= ULTIMATE.start_main_~i~4 40), 9686#(<= ULTIMATE.start_main_~i~4 41), 9687#(<= ULTIMATE.start_main_~i~4 42), 9688#(<= ULTIMATE.start_main_~i~4 43), 9643#true, 9644#false, 9645#(<= ULTIMATE.start_main_~i~4 0), 9646#(<= ULTIMATE.start_main_~i~4 1), 9647#(<= ULTIMATE.start_main_~i~4 2), 9648#(<= ULTIMATE.start_main_~i~4 3), 9649#(<= ULTIMATE.start_main_~i~4 4), 9650#(<= ULTIMATE.start_main_~i~4 5), 9651#(<= ULTIMATE.start_main_~i~4 6), 9652#(<= ULTIMATE.start_main_~i~4 7), 9653#(<= ULTIMATE.start_main_~i~4 8), 9654#(<= ULTIMATE.start_main_~i~4 9), 9655#(<= ULTIMATE.start_main_~i~4 10), 9656#(<= ULTIMATE.start_main_~i~4 11), 9657#(<= ULTIMATE.start_main_~i~4 12), 9658#(<= ULTIMATE.start_main_~i~4 13), 9659#(<= ULTIMATE.start_main_~i~4 14), 9660#(<= ULTIMATE.start_main_~i~4 15), 9661#(<= ULTIMATE.start_main_~i~4 16), 9662#(<= ULTIMATE.start_main_~i~4 17), 9663#(<= ULTIMATE.start_main_~i~4 18)] [2018-07-23 13:43:15,182 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 13:43:15,182 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:43:15,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:43:15,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:43:15,186 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 46 states. [2018-07-23 13:43:15,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:15,214 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:43:15,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:43:15,215 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 90 [2018-07-23 13:43:15,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:15,216 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:43:15,216 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:43:15,217 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 13:43:15,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:43:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:43:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:43:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:43:15,222 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:43:15,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:15,223 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:43:15,223 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:43:15,223 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:43:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:43:15,224 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:15,224 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:43:15,224 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:15,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1257297599, now seen corresponding path program 44 times [2018-07-23 13:43:15,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:15,402 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:15,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:43:15,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:15,403 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 13:43:15,403 INFO L185 omatonBuilderFactory]: Interpolants [10065#true, 10066#false, 10067#(<= ULTIMATE.start_main_~i~4 0), 10068#(<= ULTIMATE.start_main_~i~4 1), 10069#(<= ULTIMATE.start_main_~i~4 2), 10070#(<= ULTIMATE.start_main_~i~4 3), 10071#(<= ULTIMATE.start_main_~i~4 4), 10072#(<= ULTIMATE.start_main_~i~4 5), 10073#(<= ULTIMATE.start_main_~i~4 6), 10074#(<= ULTIMATE.start_main_~i~4 7), 10075#(<= ULTIMATE.start_main_~i~4 8), 10076#(<= ULTIMATE.start_main_~i~4 9), 10077#(<= ULTIMATE.start_main_~i~4 10), 10078#(<= ULTIMATE.start_main_~i~4 11), 10079#(<= ULTIMATE.start_main_~i~4 12), 10080#(<= ULTIMATE.start_main_~i~4 13), 10081#(<= ULTIMATE.start_main_~i~4 14), 10082#(<= ULTIMATE.start_main_~i~4 15), 10083#(<= ULTIMATE.start_main_~i~4 16), 10084#(<= ULTIMATE.start_main_~i~4 17), 10085#(<= ULTIMATE.start_main_~i~4 18), 10086#(<= ULTIMATE.start_main_~i~4 19), 10087#(<= ULTIMATE.start_main_~i~4 20), 10088#(<= ULTIMATE.start_main_~i~4 21), 10089#(<= ULTIMATE.start_main_~i~4 22), 10090#(<= ULTIMATE.start_main_~i~4 23), 10091#(<= ULTIMATE.start_main_~i~4 24), 10092#(<= ULTIMATE.start_main_~i~4 25), 10093#(<= ULTIMATE.start_main_~i~4 26), 10094#(<= ULTIMATE.start_main_~i~4 27), 10095#(<= ULTIMATE.start_main_~i~4 28), 10096#(<= ULTIMATE.start_main_~i~4 29), 10097#(<= ULTIMATE.start_main_~i~4 30), 10098#(<= ULTIMATE.start_main_~i~4 31), 10099#(<= ULTIMATE.start_main_~i~4 32), 10100#(<= ULTIMATE.start_main_~i~4 33), 10101#(<= ULTIMATE.start_main_~i~4 34), 10102#(<= ULTIMATE.start_main_~i~4 35), 10103#(<= ULTIMATE.start_main_~i~4 36), 10104#(<= ULTIMATE.start_main_~i~4 37), 10105#(<= ULTIMATE.start_main_~i~4 38), 10106#(<= ULTIMATE.start_main_~i~4 39), 10107#(<= ULTIMATE.start_main_~i~4 40), 10108#(<= ULTIMATE.start_main_~i~4 41), 10109#(<= ULTIMATE.start_main_~i~4 42), 10110#(<= ULTIMATE.start_main_~i~4 43), 10111#(<= ULTIMATE.start_main_~i~4 44)] [2018-07-23 13:43:15,403 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 13:43:15,404 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:43:15,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:43:15,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:43:15,405 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 47 states. [2018-07-23 13:43:15,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:15,441 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:43:15,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:43:15,442 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 92 [2018-07-23 13:43:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:15,443 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:43:15,443 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:43:15,444 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 13:43:15,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:43:15,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:43:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:43:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:43:15,447 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:43:15,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:15,448 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:43:15,448 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:43:15,448 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:43:15,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:43:15,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:15,449 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:43:15,449 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:15,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1377234553, now seen corresponding path program 45 times [2018-07-23 13:43:15,449 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:15,626 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 13:43:15,626 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:15,626 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:43:15,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:15,627 INFO L185 omatonBuilderFactory]: Interpolants [10496#true, 10497#false, 10498#(<= ULTIMATE.start_main_~i~4 0), 10499#(<= ULTIMATE.start_main_~i~4 1), 10500#(<= ULTIMATE.start_main_~i~4 2), 10501#(<= ULTIMATE.start_main_~i~4 3), 10502#(<= ULTIMATE.start_main_~i~4 4), 10503#(<= ULTIMATE.start_main_~i~4 5), 10504#(<= ULTIMATE.start_main_~i~4 6), 10505#(<= ULTIMATE.start_main_~i~4 7), 10506#(<= ULTIMATE.start_main_~i~4 8), 10507#(<= ULTIMATE.start_main_~i~4 9), 10508#(<= ULTIMATE.start_main_~i~4 10), 10509#(<= ULTIMATE.start_main_~i~4 11), 10510#(<= ULTIMATE.start_main_~i~4 12), 10511#(<= ULTIMATE.start_main_~i~4 13), 10512#(<= ULTIMATE.start_main_~i~4 14), 10513#(<= ULTIMATE.start_main_~i~4 15), 10514#(<= ULTIMATE.start_main_~i~4 16), 10515#(<= ULTIMATE.start_main_~i~4 17), 10516#(<= ULTIMATE.start_main_~i~4 18), 10517#(<= ULTIMATE.start_main_~i~4 19), 10518#(<= ULTIMATE.start_main_~i~4 20), 10519#(<= ULTIMATE.start_main_~i~4 21), 10520#(<= ULTIMATE.start_main_~i~4 22), 10521#(<= ULTIMATE.start_main_~i~4 23), 10522#(<= ULTIMATE.start_main_~i~4 24), 10523#(<= ULTIMATE.start_main_~i~4 25), 10524#(<= ULTIMATE.start_main_~i~4 26), 10525#(<= ULTIMATE.start_main_~i~4 27), 10526#(<= ULTIMATE.start_main_~i~4 28), 10527#(<= ULTIMATE.start_main_~i~4 29), 10528#(<= ULTIMATE.start_main_~i~4 30), 10529#(<= ULTIMATE.start_main_~i~4 31), 10530#(<= ULTIMATE.start_main_~i~4 32), 10531#(<= ULTIMATE.start_main_~i~4 33), 10532#(<= ULTIMATE.start_main_~i~4 34), 10533#(<= ULTIMATE.start_main_~i~4 35), 10534#(<= ULTIMATE.start_main_~i~4 36), 10535#(<= ULTIMATE.start_main_~i~4 37), 10536#(<= ULTIMATE.start_main_~i~4 38), 10537#(<= ULTIMATE.start_main_~i~4 39), 10538#(<= ULTIMATE.start_main_~i~4 40), 10539#(<= ULTIMATE.start_main_~i~4 41), 10540#(<= ULTIMATE.start_main_~i~4 42), 10541#(<= ULTIMATE.start_main_~i~4 43), 10542#(<= ULTIMATE.start_main_~i~4 44), 10543#(<= ULTIMATE.start_main_~i~4 45)] [2018-07-23 13:43:15,627 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 13:43:15,628 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:43:15,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:43:15,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:43:15,629 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 48 states. [2018-07-23 13:43:15,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:15,666 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:43:15,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:43:15,666 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 94 [2018-07-23 13:43:15,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:15,667 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:43:15,667 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:43:15,668 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 13:43:15,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:43:15,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:43:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:43:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:43:15,672 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:43:15,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:15,672 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:43:15,672 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:43:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:43:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:43:15,673 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:15,673 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:43:15,673 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:15,674 INFO L82 PathProgramCache]: Analyzing trace with hash 672530355, now seen corresponding path program 46 times [2018-07-23 13:43:15,674 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:15,855 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 13:43:15,855 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:15,856 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:43:15,856 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:15,856 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 13:43:15,856 INFO L185 omatonBuilderFactory]: Interpolants [10936#true, 10937#false, 10938#(<= ULTIMATE.start_main_~i~4 0), 10939#(<= ULTIMATE.start_main_~i~4 1), 10940#(<= ULTIMATE.start_main_~i~4 2), 10941#(<= ULTIMATE.start_main_~i~4 3), 10942#(<= ULTIMATE.start_main_~i~4 4), 10943#(<= ULTIMATE.start_main_~i~4 5), 10944#(<= ULTIMATE.start_main_~i~4 6), 10945#(<= ULTIMATE.start_main_~i~4 7), 10946#(<= ULTIMATE.start_main_~i~4 8), 10947#(<= ULTIMATE.start_main_~i~4 9), 10948#(<= ULTIMATE.start_main_~i~4 10), 10949#(<= ULTIMATE.start_main_~i~4 11), 10950#(<= ULTIMATE.start_main_~i~4 12), 10951#(<= ULTIMATE.start_main_~i~4 13), 10952#(<= ULTIMATE.start_main_~i~4 14), 10953#(<= ULTIMATE.start_main_~i~4 15), 10954#(<= ULTIMATE.start_main_~i~4 16), 10955#(<= ULTIMATE.start_main_~i~4 17), 10956#(<= ULTIMATE.start_main_~i~4 18), 10957#(<= ULTIMATE.start_main_~i~4 19), 10958#(<= ULTIMATE.start_main_~i~4 20), 10959#(<= ULTIMATE.start_main_~i~4 21), 10960#(<= ULTIMATE.start_main_~i~4 22), 10961#(<= ULTIMATE.start_main_~i~4 23), 10962#(<= ULTIMATE.start_main_~i~4 24), 10963#(<= ULTIMATE.start_main_~i~4 25), 10964#(<= ULTIMATE.start_main_~i~4 26), 10965#(<= ULTIMATE.start_main_~i~4 27), 10966#(<= ULTIMATE.start_main_~i~4 28), 10967#(<= ULTIMATE.start_main_~i~4 29), 10968#(<= ULTIMATE.start_main_~i~4 30), 10969#(<= ULTIMATE.start_main_~i~4 31), 10970#(<= ULTIMATE.start_main_~i~4 32), 10971#(<= ULTIMATE.start_main_~i~4 33), 10972#(<= ULTIMATE.start_main_~i~4 34), 10973#(<= ULTIMATE.start_main_~i~4 35), 10974#(<= ULTIMATE.start_main_~i~4 36), 10975#(<= ULTIMATE.start_main_~i~4 37), 10976#(<= ULTIMATE.start_main_~i~4 38), 10977#(<= ULTIMATE.start_main_~i~4 39), 10978#(<= ULTIMATE.start_main_~i~4 40), 10979#(<= ULTIMATE.start_main_~i~4 41), 10980#(<= ULTIMATE.start_main_~i~4 42), 10981#(<= ULTIMATE.start_main_~i~4 43), 10982#(<= ULTIMATE.start_main_~i~4 44), 10983#(<= ULTIMATE.start_main_~i~4 45), 10984#(<= ULTIMATE.start_main_~i~4 46)] [2018-07-23 13:43:15,857 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 13:43:15,857 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:43:15,858 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:43:15,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:43:15,859 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 49 states. [2018-07-23 13:43:15,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:15,896 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:43:15,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:43:15,896 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 96 [2018-07-23 13:43:15,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:15,897 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:43:15,897 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:43:15,898 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 13:43:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:43:15,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:43:15,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:43:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:43:15,903 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:43:15,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:15,903 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:43:15,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:43:15,903 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:43:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:43:15,904 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:15,904 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:43:15,905 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:15,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2056628845, now seen corresponding path program 47 times [2018-07-23 13:43:15,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:16,095 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 13:43:16,095 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:16,095 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:43:16,095 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:16,096 INFO L185 omatonBuilderFactory]: Interpolants [11392#(<= ULTIMATE.start_main_~i~4 5), 11393#(<= ULTIMATE.start_main_~i~4 6), 11394#(<= ULTIMATE.start_main_~i~4 7), 11395#(<= ULTIMATE.start_main_~i~4 8), 11396#(<= ULTIMATE.start_main_~i~4 9), 11397#(<= ULTIMATE.start_main_~i~4 10), 11398#(<= ULTIMATE.start_main_~i~4 11), 11399#(<= ULTIMATE.start_main_~i~4 12), 11400#(<= ULTIMATE.start_main_~i~4 13), 11401#(<= ULTIMATE.start_main_~i~4 14), 11402#(<= ULTIMATE.start_main_~i~4 15), 11403#(<= ULTIMATE.start_main_~i~4 16), 11404#(<= ULTIMATE.start_main_~i~4 17), 11405#(<= ULTIMATE.start_main_~i~4 18), 11406#(<= ULTIMATE.start_main_~i~4 19), 11407#(<= ULTIMATE.start_main_~i~4 20), 11408#(<= ULTIMATE.start_main_~i~4 21), 11409#(<= ULTIMATE.start_main_~i~4 22), 11410#(<= ULTIMATE.start_main_~i~4 23), 11411#(<= ULTIMATE.start_main_~i~4 24), 11412#(<= ULTIMATE.start_main_~i~4 25), 11413#(<= ULTIMATE.start_main_~i~4 26), 11414#(<= ULTIMATE.start_main_~i~4 27), 11415#(<= ULTIMATE.start_main_~i~4 28), 11416#(<= ULTIMATE.start_main_~i~4 29), 11417#(<= ULTIMATE.start_main_~i~4 30), 11418#(<= ULTIMATE.start_main_~i~4 31), 11419#(<= ULTIMATE.start_main_~i~4 32), 11420#(<= ULTIMATE.start_main_~i~4 33), 11421#(<= ULTIMATE.start_main_~i~4 34), 11422#(<= ULTIMATE.start_main_~i~4 35), 11423#(<= ULTIMATE.start_main_~i~4 36), 11424#(<= ULTIMATE.start_main_~i~4 37), 11425#(<= ULTIMATE.start_main_~i~4 38), 11426#(<= ULTIMATE.start_main_~i~4 39), 11427#(<= ULTIMATE.start_main_~i~4 40), 11428#(<= ULTIMATE.start_main_~i~4 41), 11429#(<= ULTIMATE.start_main_~i~4 42), 11430#(<= ULTIMATE.start_main_~i~4 43), 11431#(<= ULTIMATE.start_main_~i~4 44), 11432#(<= ULTIMATE.start_main_~i~4 45), 11433#(<= ULTIMATE.start_main_~i~4 46), 11434#(<= ULTIMATE.start_main_~i~4 47), 11385#true, 11386#false, 11387#(<= ULTIMATE.start_main_~i~4 0), 11388#(<= ULTIMATE.start_main_~i~4 1), 11389#(<= ULTIMATE.start_main_~i~4 2), 11390#(<= ULTIMATE.start_main_~i~4 3), 11391#(<= ULTIMATE.start_main_~i~4 4)] [2018-07-23 13:43:16,097 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 13:43:16,097 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:43:16,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:43:16,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:43:16,099 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 50 states. [2018-07-23 13:43:16,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,142 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:43:16,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:43:16,142 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 98 [2018-07-23 13:43:16,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,143 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:43:16,144 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:43:16,145 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 13:43:16,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:43:16,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:43:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:43:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:43:16,150 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:43:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:16,151 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:43:16,151 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:43:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:43:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:43:16,152 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:16,153 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:43:16,153 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:16,153 INFO L82 PathProgramCache]: Analyzing trace with hash 735415975, now seen corresponding path program 48 times [2018-07-23 13:43:16,153 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:16,355 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 13:43:16,356 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:16,356 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:43:16,356 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:16,357 INFO L185 omatonBuilderFactory]: Interpolants [11843#true, 11844#false, 11845#(<= ULTIMATE.start_main_~i~4 0), 11846#(<= ULTIMATE.start_main_~i~4 1), 11847#(<= ULTIMATE.start_main_~i~4 2), 11848#(<= ULTIMATE.start_main_~i~4 3), 11849#(<= ULTIMATE.start_main_~i~4 4), 11850#(<= ULTIMATE.start_main_~i~4 5), 11851#(<= ULTIMATE.start_main_~i~4 6), 11852#(<= ULTIMATE.start_main_~i~4 7), 11853#(<= ULTIMATE.start_main_~i~4 8), 11854#(<= ULTIMATE.start_main_~i~4 9), 11855#(<= ULTIMATE.start_main_~i~4 10), 11856#(<= ULTIMATE.start_main_~i~4 11), 11857#(<= ULTIMATE.start_main_~i~4 12), 11858#(<= ULTIMATE.start_main_~i~4 13), 11859#(<= ULTIMATE.start_main_~i~4 14), 11860#(<= ULTIMATE.start_main_~i~4 15), 11861#(<= ULTIMATE.start_main_~i~4 16), 11862#(<= ULTIMATE.start_main_~i~4 17), 11863#(<= ULTIMATE.start_main_~i~4 18), 11864#(<= ULTIMATE.start_main_~i~4 19), 11865#(<= ULTIMATE.start_main_~i~4 20), 11866#(<= ULTIMATE.start_main_~i~4 21), 11867#(<= ULTIMATE.start_main_~i~4 22), 11868#(<= ULTIMATE.start_main_~i~4 23), 11869#(<= ULTIMATE.start_main_~i~4 24), 11870#(<= ULTIMATE.start_main_~i~4 25), 11871#(<= ULTIMATE.start_main_~i~4 26), 11872#(<= ULTIMATE.start_main_~i~4 27), 11873#(<= ULTIMATE.start_main_~i~4 28), 11874#(<= ULTIMATE.start_main_~i~4 29), 11875#(<= ULTIMATE.start_main_~i~4 30), 11876#(<= ULTIMATE.start_main_~i~4 31), 11877#(<= ULTIMATE.start_main_~i~4 32), 11878#(<= ULTIMATE.start_main_~i~4 33), 11879#(<= ULTIMATE.start_main_~i~4 34), 11880#(<= ULTIMATE.start_main_~i~4 35), 11881#(<= ULTIMATE.start_main_~i~4 36), 11882#(<= ULTIMATE.start_main_~i~4 37), 11883#(<= ULTIMATE.start_main_~i~4 38), 11884#(<= ULTIMATE.start_main_~i~4 39), 11885#(<= ULTIMATE.start_main_~i~4 40), 11886#(<= ULTIMATE.start_main_~i~4 41), 11887#(<= ULTIMATE.start_main_~i~4 42), 11888#(<= ULTIMATE.start_main_~i~4 43), 11889#(<= ULTIMATE.start_main_~i~4 44), 11890#(<= ULTIMATE.start_main_~i~4 45), 11891#(<= ULTIMATE.start_main_~i~4 46), 11892#(<= ULTIMATE.start_main_~i~4 47), 11893#(<= ULTIMATE.start_main_~i~4 48)] [2018-07-23 13:43:16,358 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 13:43:16,358 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:43:16,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:43:16,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:43:16,359 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 51 states. [2018-07-23 13:43:16,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,407 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:43:16,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:43:16,408 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 100 [2018-07-23 13:43:16,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,409 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:43:16,409 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:43:16,410 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 13:43:16,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:43:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:43:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:43:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:43:16,415 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:43:16,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:16,415 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:43:16,416 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:43:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:43:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:43:16,417 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:16,417 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:43:16,418 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:16,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1934799775, now seen corresponding path program 49 times [2018-07-23 13:43:16,418 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:16,630 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 13:43:16,631 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:16,631 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:43:16,631 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:16,632 INFO L185 omatonBuilderFactory]: Interpolants [12310#true, 12311#false, 12312#(<= ULTIMATE.start_main_~i~4 0), 12313#(<= ULTIMATE.start_main_~i~4 1), 12314#(<= ULTIMATE.start_main_~i~4 2), 12315#(<= ULTIMATE.start_main_~i~4 3), 12316#(<= ULTIMATE.start_main_~i~4 4), 12317#(<= ULTIMATE.start_main_~i~4 5), 12318#(<= ULTIMATE.start_main_~i~4 6), 12319#(<= ULTIMATE.start_main_~i~4 7), 12320#(<= ULTIMATE.start_main_~i~4 8), 12321#(<= ULTIMATE.start_main_~i~4 9), 12322#(<= ULTIMATE.start_main_~i~4 10), 12323#(<= ULTIMATE.start_main_~i~4 11), 12324#(<= ULTIMATE.start_main_~i~4 12), 12325#(<= ULTIMATE.start_main_~i~4 13), 12326#(<= ULTIMATE.start_main_~i~4 14), 12327#(<= ULTIMATE.start_main_~i~4 15), 12328#(<= ULTIMATE.start_main_~i~4 16), 12329#(<= ULTIMATE.start_main_~i~4 17), 12330#(<= ULTIMATE.start_main_~i~4 18), 12331#(<= ULTIMATE.start_main_~i~4 19), 12332#(<= ULTIMATE.start_main_~i~4 20), 12333#(<= ULTIMATE.start_main_~i~4 21), 12334#(<= ULTIMATE.start_main_~i~4 22), 12335#(<= ULTIMATE.start_main_~i~4 23), 12336#(<= ULTIMATE.start_main_~i~4 24), 12337#(<= ULTIMATE.start_main_~i~4 25), 12338#(<= ULTIMATE.start_main_~i~4 26), 12339#(<= ULTIMATE.start_main_~i~4 27), 12340#(<= ULTIMATE.start_main_~i~4 28), 12341#(<= ULTIMATE.start_main_~i~4 29), 12342#(<= ULTIMATE.start_main_~i~4 30), 12343#(<= ULTIMATE.start_main_~i~4 31), 12344#(<= ULTIMATE.start_main_~i~4 32), 12345#(<= ULTIMATE.start_main_~i~4 33), 12346#(<= ULTIMATE.start_main_~i~4 34), 12347#(<= ULTIMATE.start_main_~i~4 35), 12348#(<= ULTIMATE.start_main_~i~4 36), 12349#(<= ULTIMATE.start_main_~i~4 37), 12350#(<= ULTIMATE.start_main_~i~4 38), 12351#(<= ULTIMATE.start_main_~i~4 39), 12352#(<= ULTIMATE.start_main_~i~4 40), 12353#(<= ULTIMATE.start_main_~i~4 41), 12354#(<= ULTIMATE.start_main_~i~4 42), 12355#(<= ULTIMATE.start_main_~i~4 43), 12356#(<= ULTIMATE.start_main_~i~4 44), 12357#(<= ULTIMATE.start_main_~i~4 45), 12358#(<= ULTIMATE.start_main_~i~4 46), 12359#(<= ULTIMATE.start_main_~i~4 47), 12360#(<= ULTIMATE.start_main_~i~4 48), 12361#(<= ULTIMATE.start_main_~i~4 49)] [2018-07-23 13:43:16,633 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 13:43:16,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:43:16,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:43:16,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:43:16,635 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 52 states. [2018-07-23 13:43:16,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,681 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:43:16,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:43:16,681 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 102 [2018-07-23 13:43:16,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,682 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:43:16,682 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:43:16,683 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 13:43:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:43:16,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:43:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:43:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:43:16,687 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:43:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:16,688 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:43:16,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:43:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:43:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:43:16,689 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:16,689 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:43:16,689 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:16,689 INFO L82 PathProgramCache]: Analyzing trace with hash 378307483, now seen corresponding path program 50 times [2018-07-23 13:43:16,690 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:16,949 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 13:43:16,949 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:16,949 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:43:16,950 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:16,951 INFO L185 omatonBuilderFactory]: Interpolants [12800#(<= ULTIMATE.start_main_~i~4 12), 12801#(<= ULTIMATE.start_main_~i~4 13), 12802#(<= ULTIMATE.start_main_~i~4 14), 12803#(<= ULTIMATE.start_main_~i~4 15), 12804#(<= ULTIMATE.start_main_~i~4 16), 12805#(<= ULTIMATE.start_main_~i~4 17), 12806#(<= ULTIMATE.start_main_~i~4 18), 12807#(<= ULTIMATE.start_main_~i~4 19), 12808#(<= ULTIMATE.start_main_~i~4 20), 12809#(<= ULTIMATE.start_main_~i~4 21), 12810#(<= ULTIMATE.start_main_~i~4 22), 12811#(<= ULTIMATE.start_main_~i~4 23), 12812#(<= ULTIMATE.start_main_~i~4 24), 12813#(<= ULTIMATE.start_main_~i~4 25), 12814#(<= ULTIMATE.start_main_~i~4 26), 12815#(<= ULTIMATE.start_main_~i~4 27), 12816#(<= ULTIMATE.start_main_~i~4 28), 12817#(<= ULTIMATE.start_main_~i~4 29), 12818#(<= ULTIMATE.start_main_~i~4 30), 12819#(<= ULTIMATE.start_main_~i~4 31), 12820#(<= ULTIMATE.start_main_~i~4 32), 12821#(<= ULTIMATE.start_main_~i~4 33), 12822#(<= ULTIMATE.start_main_~i~4 34), 12823#(<= ULTIMATE.start_main_~i~4 35), 12824#(<= ULTIMATE.start_main_~i~4 36), 12825#(<= ULTIMATE.start_main_~i~4 37), 12826#(<= ULTIMATE.start_main_~i~4 38), 12827#(<= ULTIMATE.start_main_~i~4 39), 12828#(<= ULTIMATE.start_main_~i~4 40), 12829#(<= ULTIMATE.start_main_~i~4 41), 12830#(<= ULTIMATE.start_main_~i~4 42), 12831#(<= ULTIMATE.start_main_~i~4 43), 12832#(<= ULTIMATE.start_main_~i~4 44), 12833#(<= ULTIMATE.start_main_~i~4 45), 12834#(<= ULTIMATE.start_main_~i~4 46), 12835#(<= ULTIMATE.start_main_~i~4 47), 12836#(<= ULTIMATE.start_main_~i~4 48), 12837#(<= ULTIMATE.start_main_~i~4 49), 12838#(<= ULTIMATE.start_main_~i~4 50), 12786#true, 12787#false, 12788#(<= ULTIMATE.start_main_~i~4 0), 12789#(<= ULTIMATE.start_main_~i~4 1), 12790#(<= ULTIMATE.start_main_~i~4 2), 12791#(<= ULTIMATE.start_main_~i~4 3), 12792#(<= ULTIMATE.start_main_~i~4 4), 12793#(<= ULTIMATE.start_main_~i~4 5), 12794#(<= ULTIMATE.start_main_~i~4 6), 12795#(<= ULTIMATE.start_main_~i~4 7), 12796#(<= ULTIMATE.start_main_~i~4 8), 12797#(<= ULTIMATE.start_main_~i~4 9), 12798#(<= ULTIMATE.start_main_~i~4 10), 12799#(<= ULTIMATE.start_main_~i~4 11)] [2018-07-23 13:43:16,951 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 13:43:16,952 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:43:16,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:43:16,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:43:16,954 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 53 states. [2018-07-23 13:43:16,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,996 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:43:16,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:43:16,996 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 104 [2018-07-23 13:43:16,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,997 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:43:16,997 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:43:16,998 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 13:43:16,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:43:17,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:43:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:43:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:43:17,006 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:43:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:17,006 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:43:17,006 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:43:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:43:17,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:43:17,007 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:17,007 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:43:17,008 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:17,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1518676907, now seen corresponding path program 51 times [2018-07-23 13:43:17,008 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:17,267 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 13:43:17,268 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:17,268 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:43:17,268 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,269 INFO L185 omatonBuilderFactory]: Interpolants [13312#(<= ULTIMATE.start_main_~i~4 39), 13313#(<= ULTIMATE.start_main_~i~4 40), 13314#(<= ULTIMATE.start_main_~i~4 41), 13315#(<= ULTIMATE.start_main_~i~4 42), 13316#(<= ULTIMATE.start_main_~i~4 43), 13317#(<= ULTIMATE.start_main_~i~4 44), 13318#(<= ULTIMATE.start_main_~i~4 45), 13319#(<= ULTIMATE.start_main_~i~4 46), 13320#(<= ULTIMATE.start_main_~i~4 47), 13321#(<= ULTIMATE.start_main_~i~4 48), 13322#(<= ULTIMATE.start_main_~i~4 49), 13323#(<= ULTIMATE.start_main_~i~4 50), 13324#(<= ULTIMATE.start_main_~i~4 51), 13271#true, 13272#false, 13273#(<= ULTIMATE.start_main_~i~4 0), 13274#(<= ULTIMATE.start_main_~i~4 1), 13275#(<= ULTIMATE.start_main_~i~4 2), 13276#(<= ULTIMATE.start_main_~i~4 3), 13277#(<= ULTIMATE.start_main_~i~4 4), 13278#(<= ULTIMATE.start_main_~i~4 5), 13279#(<= ULTIMATE.start_main_~i~4 6), 13280#(<= ULTIMATE.start_main_~i~4 7), 13281#(<= ULTIMATE.start_main_~i~4 8), 13282#(<= ULTIMATE.start_main_~i~4 9), 13283#(<= ULTIMATE.start_main_~i~4 10), 13284#(<= ULTIMATE.start_main_~i~4 11), 13285#(<= ULTIMATE.start_main_~i~4 12), 13286#(<= ULTIMATE.start_main_~i~4 13), 13287#(<= ULTIMATE.start_main_~i~4 14), 13288#(<= ULTIMATE.start_main_~i~4 15), 13289#(<= ULTIMATE.start_main_~i~4 16), 13290#(<= ULTIMATE.start_main_~i~4 17), 13291#(<= ULTIMATE.start_main_~i~4 18), 13292#(<= ULTIMATE.start_main_~i~4 19), 13293#(<= ULTIMATE.start_main_~i~4 20), 13294#(<= ULTIMATE.start_main_~i~4 21), 13295#(<= ULTIMATE.start_main_~i~4 22), 13296#(<= ULTIMATE.start_main_~i~4 23), 13297#(<= ULTIMATE.start_main_~i~4 24), 13298#(<= ULTIMATE.start_main_~i~4 25), 13299#(<= ULTIMATE.start_main_~i~4 26), 13300#(<= ULTIMATE.start_main_~i~4 27), 13301#(<= ULTIMATE.start_main_~i~4 28), 13302#(<= ULTIMATE.start_main_~i~4 29), 13303#(<= ULTIMATE.start_main_~i~4 30), 13304#(<= ULTIMATE.start_main_~i~4 31), 13305#(<= ULTIMATE.start_main_~i~4 32), 13306#(<= ULTIMATE.start_main_~i~4 33), 13307#(<= ULTIMATE.start_main_~i~4 34), 13308#(<= ULTIMATE.start_main_~i~4 35), 13309#(<= ULTIMATE.start_main_~i~4 36), 13310#(<= ULTIMATE.start_main_~i~4 37), 13311#(<= ULTIMATE.start_main_~i~4 38)] [2018-07-23 13:43:17,270 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 13:43:17,270 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:43:17,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:43:17,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:43:17,272 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 54 states. [2018-07-23 13:43:17,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:17,312 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:43:17,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:43:17,313 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 106 [2018-07-23 13:43:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:17,314 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:43:17,314 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:43:17,315 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:43:17,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:43:17,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:43:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:43:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:43:17,321 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:43:17,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:17,321 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:43:17,321 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:43:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:43:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:43:17,322 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:17,323 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:43:17,323 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:17,323 INFO L82 PathProgramCache]: Analyzing trace with hash 840425103, now seen corresponding path program 52 times [2018-07-23 13:43:17,323 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:17,622 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 13:43:17,622 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:17,622 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:43:17,623 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,623 INFO L185 omatonBuilderFactory]: Interpolants [13765#true, 13766#false, 13767#(<= ULTIMATE.start_main_~i~4 0), 13768#(<= ULTIMATE.start_main_~i~4 1), 13769#(<= ULTIMATE.start_main_~i~4 2), 13770#(<= ULTIMATE.start_main_~i~4 3), 13771#(<= ULTIMATE.start_main_~i~4 4), 13772#(<= ULTIMATE.start_main_~i~4 5), 13773#(<= ULTIMATE.start_main_~i~4 6), 13774#(<= ULTIMATE.start_main_~i~4 7), 13775#(<= ULTIMATE.start_main_~i~4 8), 13776#(<= ULTIMATE.start_main_~i~4 9), 13777#(<= ULTIMATE.start_main_~i~4 10), 13778#(<= ULTIMATE.start_main_~i~4 11), 13779#(<= ULTIMATE.start_main_~i~4 12), 13780#(<= ULTIMATE.start_main_~i~4 13), 13781#(<= ULTIMATE.start_main_~i~4 14), 13782#(<= ULTIMATE.start_main_~i~4 15), 13783#(<= ULTIMATE.start_main_~i~4 16), 13784#(<= ULTIMATE.start_main_~i~4 17), 13785#(<= ULTIMATE.start_main_~i~4 18), 13786#(<= ULTIMATE.start_main_~i~4 19), 13787#(<= ULTIMATE.start_main_~i~4 20), 13788#(<= ULTIMATE.start_main_~i~4 21), 13789#(<= ULTIMATE.start_main_~i~4 22), 13790#(<= ULTIMATE.start_main_~i~4 23), 13791#(<= ULTIMATE.start_main_~i~4 24), 13792#(<= ULTIMATE.start_main_~i~4 25), 13793#(<= ULTIMATE.start_main_~i~4 26), 13794#(<= ULTIMATE.start_main_~i~4 27), 13795#(<= ULTIMATE.start_main_~i~4 28), 13796#(<= ULTIMATE.start_main_~i~4 29), 13797#(<= ULTIMATE.start_main_~i~4 30), 13798#(<= ULTIMATE.start_main_~i~4 31), 13799#(<= ULTIMATE.start_main_~i~4 32), 13800#(<= ULTIMATE.start_main_~i~4 33), 13801#(<= ULTIMATE.start_main_~i~4 34), 13802#(<= ULTIMATE.start_main_~i~4 35), 13803#(<= ULTIMATE.start_main_~i~4 36), 13804#(<= ULTIMATE.start_main_~i~4 37), 13805#(<= ULTIMATE.start_main_~i~4 38), 13806#(<= ULTIMATE.start_main_~i~4 39), 13807#(<= ULTIMATE.start_main_~i~4 40), 13808#(<= ULTIMATE.start_main_~i~4 41), 13809#(<= ULTIMATE.start_main_~i~4 42), 13810#(<= ULTIMATE.start_main_~i~4 43), 13811#(<= ULTIMATE.start_main_~i~4 44), 13812#(<= ULTIMATE.start_main_~i~4 45), 13813#(<= ULTIMATE.start_main_~i~4 46), 13814#(<= ULTIMATE.start_main_~i~4 47), 13815#(<= ULTIMATE.start_main_~i~4 48), 13816#(<= ULTIMATE.start_main_~i~4 49), 13817#(<= ULTIMATE.start_main_~i~4 50), 13818#(<= ULTIMATE.start_main_~i~4 51), 13819#(<= ULTIMATE.start_main_~i~4 52)] [2018-07-23 13:43:17,624 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 13:43:17,624 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:43:17,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:43:17,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:43:17,626 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 55 states. [2018-07-23 13:43:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:17,677 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:43:17,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:43:17,677 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 108 [2018-07-23 13:43:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:17,681 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:43:17,681 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:43:17,682 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:43:17,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:43:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:43:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:43:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:43:17,686 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:43:17,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:17,686 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:43:17,687 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:43:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:43:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:43:17,688 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:17,688 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:43:17,688 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:17,688 INFO L82 PathProgramCache]: Analyzing trace with hash 194724425, now seen corresponding path program 53 times [2018-07-23 13:43:17,688 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:17,917 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 13:43:17,917 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:17,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:43:17,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,918 INFO L185 omatonBuilderFactory]: Interpolants [14268#true, 14269#false, 14270#(<= ULTIMATE.start_main_~i~4 0), 14271#(<= ULTIMATE.start_main_~i~4 1), 14272#(<= ULTIMATE.start_main_~i~4 2), 14273#(<= ULTIMATE.start_main_~i~4 3), 14274#(<= ULTIMATE.start_main_~i~4 4), 14275#(<= ULTIMATE.start_main_~i~4 5), 14276#(<= ULTIMATE.start_main_~i~4 6), 14277#(<= ULTIMATE.start_main_~i~4 7), 14278#(<= ULTIMATE.start_main_~i~4 8), 14279#(<= ULTIMATE.start_main_~i~4 9), 14280#(<= ULTIMATE.start_main_~i~4 10), 14281#(<= ULTIMATE.start_main_~i~4 11), 14282#(<= ULTIMATE.start_main_~i~4 12), 14283#(<= ULTIMATE.start_main_~i~4 13), 14284#(<= ULTIMATE.start_main_~i~4 14), 14285#(<= ULTIMATE.start_main_~i~4 15), 14286#(<= ULTIMATE.start_main_~i~4 16), 14287#(<= ULTIMATE.start_main_~i~4 17), 14288#(<= ULTIMATE.start_main_~i~4 18), 14289#(<= ULTIMATE.start_main_~i~4 19), 14290#(<= ULTIMATE.start_main_~i~4 20), 14291#(<= ULTIMATE.start_main_~i~4 21), 14292#(<= ULTIMATE.start_main_~i~4 22), 14293#(<= ULTIMATE.start_main_~i~4 23), 14294#(<= ULTIMATE.start_main_~i~4 24), 14295#(<= ULTIMATE.start_main_~i~4 25), 14296#(<= ULTIMATE.start_main_~i~4 26), 14297#(<= ULTIMATE.start_main_~i~4 27), 14298#(<= ULTIMATE.start_main_~i~4 28), 14299#(<= ULTIMATE.start_main_~i~4 29), 14300#(<= ULTIMATE.start_main_~i~4 30), 14301#(<= ULTIMATE.start_main_~i~4 31), 14302#(<= ULTIMATE.start_main_~i~4 32), 14303#(<= ULTIMATE.start_main_~i~4 33), 14304#(<= ULTIMATE.start_main_~i~4 34), 14305#(<= ULTIMATE.start_main_~i~4 35), 14306#(<= ULTIMATE.start_main_~i~4 36), 14307#(<= ULTIMATE.start_main_~i~4 37), 14308#(<= ULTIMATE.start_main_~i~4 38), 14309#(<= ULTIMATE.start_main_~i~4 39), 14310#(<= ULTIMATE.start_main_~i~4 40), 14311#(<= ULTIMATE.start_main_~i~4 41), 14312#(<= ULTIMATE.start_main_~i~4 42), 14313#(<= ULTIMATE.start_main_~i~4 43), 14314#(<= ULTIMATE.start_main_~i~4 44), 14315#(<= ULTIMATE.start_main_~i~4 45), 14316#(<= ULTIMATE.start_main_~i~4 46), 14317#(<= ULTIMATE.start_main_~i~4 47), 14318#(<= ULTIMATE.start_main_~i~4 48), 14319#(<= ULTIMATE.start_main_~i~4 49), 14320#(<= ULTIMATE.start_main_~i~4 50), 14321#(<= ULTIMATE.start_main_~i~4 51), 14322#(<= ULTIMATE.start_main_~i~4 52), 14323#(<= ULTIMATE.start_main_~i~4 53)] [2018-07-23 13:43:17,919 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 13:43:17,919 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:43:17,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:43:17,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:43:17,922 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 56 states. [2018-07-23 13:43:17,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:17,970 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:43:17,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:43:17,970 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 110 [2018-07-23 13:43:17,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:17,971 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:43:17,972 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:43:17,973 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 13:43:17,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:43:17,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:43:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:43:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:43:17,977 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:43:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:17,977 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:43:17,977 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:43:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:43:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:43:17,978 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:17,978 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:43:17,979 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:17,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1848336509, now seen corresponding path program 54 times [2018-07-23 13:43:17,979 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:18,191 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 13:43:18,192 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:18,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:43:18,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:18,193 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 13:43:18,193 INFO L185 omatonBuilderFactory]: Interpolants [14780#true, 14781#false, 14782#(<= ULTIMATE.start_main_~i~4 0), 14783#(<= ULTIMATE.start_main_~i~4 1), 14784#(<= ULTIMATE.start_main_~i~4 2), 14785#(<= ULTIMATE.start_main_~i~4 3), 14786#(<= ULTIMATE.start_main_~i~4 4), 14787#(<= ULTIMATE.start_main_~i~4 5), 14788#(<= ULTIMATE.start_main_~i~4 6), 14789#(<= ULTIMATE.start_main_~i~4 7), 14790#(<= ULTIMATE.start_main_~i~4 8), 14791#(<= ULTIMATE.start_main_~i~4 9), 14792#(<= ULTIMATE.start_main_~i~4 10), 14793#(<= ULTIMATE.start_main_~i~4 11), 14794#(<= ULTIMATE.start_main_~i~4 12), 14795#(<= ULTIMATE.start_main_~i~4 13), 14796#(<= ULTIMATE.start_main_~i~4 14), 14797#(<= ULTIMATE.start_main_~i~4 15), 14798#(<= ULTIMATE.start_main_~i~4 16), 14799#(<= ULTIMATE.start_main_~i~4 17), 14800#(<= ULTIMATE.start_main_~i~4 18), 14801#(<= ULTIMATE.start_main_~i~4 19), 14802#(<= ULTIMATE.start_main_~i~4 20), 14803#(<= ULTIMATE.start_main_~i~4 21), 14804#(<= ULTIMATE.start_main_~i~4 22), 14805#(<= ULTIMATE.start_main_~i~4 23), 14806#(<= ULTIMATE.start_main_~i~4 24), 14807#(<= ULTIMATE.start_main_~i~4 25), 14808#(<= ULTIMATE.start_main_~i~4 26), 14809#(<= ULTIMATE.start_main_~i~4 27), 14810#(<= ULTIMATE.start_main_~i~4 28), 14811#(<= ULTIMATE.start_main_~i~4 29), 14812#(<= ULTIMATE.start_main_~i~4 30), 14813#(<= ULTIMATE.start_main_~i~4 31), 14814#(<= ULTIMATE.start_main_~i~4 32), 14815#(<= ULTIMATE.start_main_~i~4 33), 14816#(<= ULTIMATE.start_main_~i~4 34), 14817#(<= ULTIMATE.start_main_~i~4 35), 14818#(<= ULTIMATE.start_main_~i~4 36), 14819#(<= ULTIMATE.start_main_~i~4 37), 14820#(<= ULTIMATE.start_main_~i~4 38), 14821#(<= ULTIMATE.start_main_~i~4 39), 14822#(<= ULTIMATE.start_main_~i~4 40), 14823#(<= ULTIMATE.start_main_~i~4 41), 14824#(<= ULTIMATE.start_main_~i~4 42), 14825#(<= ULTIMATE.start_main_~i~4 43), 14826#(<= ULTIMATE.start_main_~i~4 44), 14827#(<= ULTIMATE.start_main_~i~4 45), 14828#(<= ULTIMATE.start_main_~i~4 46), 14829#(<= ULTIMATE.start_main_~i~4 47), 14830#(<= ULTIMATE.start_main_~i~4 48), 14831#(<= ULTIMATE.start_main_~i~4 49), 14832#(<= ULTIMATE.start_main_~i~4 50), 14833#(<= ULTIMATE.start_main_~i~4 51), 14834#(<= ULTIMATE.start_main_~i~4 52), 14835#(<= ULTIMATE.start_main_~i~4 53), 14836#(<= ULTIMATE.start_main_~i~4 54)] [2018-07-23 13:43:18,194 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 13:43:18,194 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:43:18,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:43:18,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:43:18,195 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 57 states. [2018-07-23 13:43:18,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:18,248 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:43:18,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:43:18,248 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 112 [2018-07-23 13:43:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:18,249 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:43:18,249 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:43:18,250 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 13:43:18,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:43:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:43:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:43:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:43:18,254 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:43:18,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:18,255 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:43:18,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:43:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:43:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:43:18,256 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:18,256 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:43:18,256 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:18,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1865127485, now seen corresponding path program 55 times [2018-07-23 13:43:18,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:18,476 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 13:43:18,476 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:18,476 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:43:18,477 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:18,477 INFO L185 omatonBuilderFactory]: Interpolants [15301#true, 15302#false, 15303#(<= ULTIMATE.start_main_~i~4 0), 15304#(<= ULTIMATE.start_main_~i~4 1), 15305#(<= ULTIMATE.start_main_~i~4 2), 15306#(<= ULTIMATE.start_main_~i~4 3), 15307#(<= ULTIMATE.start_main_~i~4 4), 15308#(<= ULTIMATE.start_main_~i~4 5), 15309#(<= ULTIMATE.start_main_~i~4 6), 15310#(<= ULTIMATE.start_main_~i~4 7), 15311#(<= ULTIMATE.start_main_~i~4 8), 15312#(<= ULTIMATE.start_main_~i~4 9), 15313#(<= ULTIMATE.start_main_~i~4 10), 15314#(<= ULTIMATE.start_main_~i~4 11), 15315#(<= ULTIMATE.start_main_~i~4 12), 15316#(<= ULTIMATE.start_main_~i~4 13), 15317#(<= ULTIMATE.start_main_~i~4 14), 15318#(<= ULTIMATE.start_main_~i~4 15), 15319#(<= ULTIMATE.start_main_~i~4 16), 15320#(<= ULTIMATE.start_main_~i~4 17), 15321#(<= ULTIMATE.start_main_~i~4 18), 15322#(<= ULTIMATE.start_main_~i~4 19), 15323#(<= ULTIMATE.start_main_~i~4 20), 15324#(<= ULTIMATE.start_main_~i~4 21), 15325#(<= ULTIMATE.start_main_~i~4 22), 15326#(<= ULTIMATE.start_main_~i~4 23), 15327#(<= ULTIMATE.start_main_~i~4 24), 15328#(<= ULTIMATE.start_main_~i~4 25), 15329#(<= ULTIMATE.start_main_~i~4 26), 15330#(<= ULTIMATE.start_main_~i~4 27), 15331#(<= ULTIMATE.start_main_~i~4 28), 15332#(<= ULTIMATE.start_main_~i~4 29), 15333#(<= ULTIMATE.start_main_~i~4 30), 15334#(<= ULTIMATE.start_main_~i~4 31), 15335#(<= ULTIMATE.start_main_~i~4 32), 15336#(<= ULTIMATE.start_main_~i~4 33), 15337#(<= ULTIMATE.start_main_~i~4 34), 15338#(<= ULTIMATE.start_main_~i~4 35), 15339#(<= ULTIMATE.start_main_~i~4 36), 15340#(<= ULTIMATE.start_main_~i~4 37), 15341#(<= ULTIMATE.start_main_~i~4 38), 15342#(<= ULTIMATE.start_main_~i~4 39), 15343#(<= ULTIMATE.start_main_~i~4 40), 15344#(<= ULTIMATE.start_main_~i~4 41), 15345#(<= ULTIMATE.start_main_~i~4 42), 15346#(<= ULTIMATE.start_main_~i~4 43), 15347#(<= ULTIMATE.start_main_~i~4 44), 15348#(<= ULTIMATE.start_main_~i~4 45), 15349#(<= ULTIMATE.start_main_~i~4 46), 15350#(<= ULTIMATE.start_main_~i~4 47), 15351#(<= ULTIMATE.start_main_~i~4 48), 15352#(<= ULTIMATE.start_main_~i~4 49), 15353#(<= ULTIMATE.start_main_~i~4 50), 15354#(<= ULTIMATE.start_main_~i~4 51), 15355#(<= ULTIMATE.start_main_~i~4 52), 15356#(<= ULTIMATE.start_main_~i~4 53), 15357#(<= ULTIMATE.start_main_~i~4 54), 15358#(<= ULTIMATE.start_main_~i~4 55)] [2018-07-23 13:43:18,478 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 13:43:18,478 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:43:18,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:43:18,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:43:18,480 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 58 states. [2018-07-23 13:43:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:18,541 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:43:18,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:43:18,541 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 114 [2018-07-23 13:43:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:18,543 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:43:18,543 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:43:18,544 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 13:43:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:43:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:43:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:43:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:43:18,548 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:43:18,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:18,549 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:43:18,549 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:43:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:43:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:43:18,550 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:18,550 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:43:18,551 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:18,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1386202743, now seen corresponding path program 56 times [2018-07-23 13:43:18,551 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:18,779 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 13:43:18,779 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:18,779 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:43:18,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:18,780 INFO L185 omatonBuilderFactory]: Interpolants [15872#(<= ULTIMATE.start_main_~i~4 39), 15873#(<= ULTIMATE.start_main_~i~4 40), 15874#(<= ULTIMATE.start_main_~i~4 41), 15875#(<= ULTIMATE.start_main_~i~4 42), 15876#(<= ULTIMATE.start_main_~i~4 43), 15877#(<= ULTIMATE.start_main_~i~4 44), 15878#(<= ULTIMATE.start_main_~i~4 45), 15879#(<= ULTIMATE.start_main_~i~4 46), 15880#(<= ULTIMATE.start_main_~i~4 47), 15881#(<= ULTIMATE.start_main_~i~4 48), 15882#(<= ULTIMATE.start_main_~i~4 49), 15883#(<= ULTIMATE.start_main_~i~4 50), 15884#(<= ULTIMATE.start_main_~i~4 51), 15885#(<= ULTIMATE.start_main_~i~4 52), 15886#(<= ULTIMATE.start_main_~i~4 53), 15887#(<= ULTIMATE.start_main_~i~4 54), 15888#(<= ULTIMATE.start_main_~i~4 55), 15889#(<= ULTIMATE.start_main_~i~4 56), 15831#true, 15832#false, 15833#(<= ULTIMATE.start_main_~i~4 0), 15834#(<= ULTIMATE.start_main_~i~4 1), 15835#(<= ULTIMATE.start_main_~i~4 2), 15836#(<= ULTIMATE.start_main_~i~4 3), 15837#(<= ULTIMATE.start_main_~i~4 4), 15838#(<= ULTIMATE.start_main_~i~4 5), 15839#(<= ULTIMATE.start_main_~i~4 6), 15840#(<= ULTIMATE.start_main_~i~4 7), 15841#(<= ULTIMATE.start_main_~i~4 8), 15842#(<= ULTIMATE.start_main_~i~4 9), 15843#(<= ULTIMATE.start_main_~i~4 10), 15844#(<= ULTIMATE.start_main_~i~4 11), 15845#(<= ULTIMATE.start_main_~i~4 12), 15846#(<= ULTIMATE.start_main_~i~4 13), 15847#(<= ULTIMATE.start_main_~i~4 14), 15848#(<= ULTIMATE.start_main_~i~4 15), 15849#(<= ULTIMATE.start_main_~i~4 16), 15850#(<= ULTIMATE.start_main_~i~4 17), 15851#(<= ULTIMATE.start_main_~i~4 18), 15852#(<= ULTIMATE.start_main_~i~4 19), 15853#(<= ULTIMATE.start_main_~i~4 20), 15854#(<= ULTIMATE.start_main_~i~4 21), 15855#(<= ULTIMATE.start_main_~i~4 22), 15856#(<= ULTIMATE.start_main_~i~4 23), 15857#(<= ULTIMATE.start_main_~i~4 24), 15858#(<= ULTIMATE.start_main_~i~4 25), 15859#(<= ULTIMATE.start_main_~i~4 26), 15860#(<= ULTIMATE.start_main_~i~4 27), 15861#(<= ULTIMATE.start_main_~i~4 28), 15862#(<= ULTIMATE.start_main_~i~4 29), 15863#(<= ULTIMATE.start_main_~i~4 30), 15864#(<= ULTIMATE.start_main_~i~4 31), 15865#(<= ULTIMATE.start_main_~i~4 32), 15866#(<= ULTIMATE.start_main_~i~4 33), 15867#(<= ULTIMATE.start_main_~i~4 34), 15868#(<= ULTIMATE.start_main_~i~4 35), 15869#(<= ULTIMATE.start_main_~i~4 36), 15870#(<= ULTIMATE.start_main_~i~4 37), 15871#(<= ULTIMATE.start_main_~i~4 38)] [2018-07-23 13:43:18,781 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 13:43:18,782 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:43:18,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:43:18,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:43:18,784 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 59 states. [2018-07-23 13:43:18,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:18,822 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:43:18,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:43:18,822 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 116 [2018-07-23 13:43:18,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:18,823 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:43:18,823 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:43:18,824 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 13:43:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:43:18,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:43:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:43:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:43:18,828 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:43:18,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:18,828 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:43:18,829 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:43:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:43:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:43:18,830 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:18,830 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:43:18,830 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:18,830 INFO L82 PathProgramCache]: Analyzing trace with hash 701026353, now seen corresponding path program 57 times [2018-07-23 13:43:18,830 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:19,063 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 13:43:19,063 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:19,063 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:43:19,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:19,064 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= ULTIMATE.start_main_~i~4 12), 16385#(<= ULTIMATE.start_main_~i~4 13), 16386#(<= ULTIMATE.start_main_~i~4 14), 16387#(<= ULTIMATE.start_main_~i~4 15), 16388#(<= ULTIMATE.start_main_~i~4 16), 16389#(<= ULTIMATE.start_main_~i~4 17), 16390#(<= ULTIMATE.start_main_~i~4 18), 16391#(<= ULTIMATE.start_main_~i~4 19), 16392#(<= ULTIMATE.start_main_~i~4 20), 16393#(<= ULTIMATE.start_main_~i~4 21), 16394#(<= ULTIMATE.start_main_~i~4 22), 16395#(<= ULTIMATE.start_main_~i~4 23), 16396#(<= ULTIMATE.start_main_~i~4 24), 16397#(<= ULTIMATE.start_main_~i~4 25), 16398#(<= ULTIMATE.start_main_~i~4 26), 16399#(<= ULTIMATE.start_main_~i~4 27), 16400#(<= ULTIMATE.start_main_~i~4 28), 16401#(<= ULTIMATE.start_main_~i~4 29), 16402#(<= ULTIMATE.start_main_~i~4 30), 16403#(<= ULTIMATE.start_main_~i~4 31), 16404#(<= ULTIMATE.start_main_~i~4 32), 16405#(<= ULTIMATE.start_main_~i~4 33), 16406#(<= ULTIMATE.start_main_~i~4 34), 16407#(<= ULTIMATE.start_main_~i~4 35), 16408#(<= ULTIMATE.start_main_~i~4 36), 16409#(<= ULTIMATE.start_main_~i~4 37), 16410#(<= ULTIMATE.start_main_~i~4 38), 16411#(<= ULTIMATE.start_main_~i~4 39), 16412#(<= ULTIMATE.start_main_~i~4 40), 16413#(<= ULTIMATE.start_main_~i~4 41), 16414#(<= ULTIMATE.start_main_~i~4 42), 16415#(<= ULTIMATE.start_main_~i~4 43), 16416#(<= ULTIMATE.start_main_~i~4 44), 16417#(<= ULTIMATE.start_main_~i~4 45), 16418#(<= ULTIMATE.start_main_~i~4 46), 16419#(<= ULTIMATE.start_main_~i~4 47), 16420#(<= ULTIMATE.start_main_~i~4 48), 16421#(<= ULTIMATE.start_main_~i~4 49), 16422#(<= ULTIMATE.start_main_~i~4 50), 16423#(<= ULTIMATE.start_main_~i~4 51), 16424#(<= ULTIMATE.start_main_~i~4 52), 16425#(<= ULTIMATE.start_main_~i~4 53), 16426#(<= ULTIMATE.start_main_~i~4 54), 16427#(<= ULTIMATE.start_main_~i~4 55), 16428#(<= ULTIMATE.start_main_~i~4 56), 16429#(<= ULTIMATE.start_main_~i~4 57), 16370#true, 16371#false, 16372#(<= ULTIMATE.start_main_~i~4 0), 16373#(<= ULTIMATE.start_main_~i~4 1), 16374#(<= ULTIMATE.start_main_~i~4 2), 16375#(<= ULTIMATE.start_main_~i~4 3), 16376#(<= ULTIMATE.start_main_~i~4 4), 16377#(<= ULTIMATE.start_main_~i~4 5), 16378#(<= ULTIMATE.start_main_~i~4 6), 16379#(<= ULTIMATE.start_main_~i~4 7), 16380#(<= ULTIMATE.start_main_~i~4 8), 16381#(<= ULTIMATE.start_main_~i~4 9), 16382#(<= ULTIMATE.start_main_~i~4 10), 16383#(<= ULTIMATE.start_main_~i~4 11)] [2018-07-23 13:43:19,065 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 13:43:19,065 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:43:19,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:43:19,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:43:19,067 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 60 states. [2018-07-23 13:43:19,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:19,116 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:43:19,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:43:19,116 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 118 [2018-07-23 13:43:19,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:19,117 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:43:19,117 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:43:19,118 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 13:43:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:43:19,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:43:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:43:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:43:19,122 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:43:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:19,123 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:43:19,123 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:43:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:43:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:43:19,124 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:19,124 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:43:19,124 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:19,124 INFO L82 PathProgramCache]: Analyzing trace with hash -623488149, now seen corresponding path program 58 times [2018-07-23 13:43:19,125 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:19,362 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 13:43:19,362 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:19,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:43:19,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:19,363 INFO L185 omatonBuilderFactory]: Interpolants [16918#true, 16919#false, 16920#(<= ULTIMATE.start_main_~i~4 0), 16921#(<= ULTIMATE.start_main_~i~4 1), 16922#(<= ULTIMATE.start_main_~i~4 2), 16923#(<= ULTIMATE.start_main_~i~4 3), 16924#(<= ULTIMATE.start_main_~i~4 4), 16925#(<= ULTIMATE.start_main_~i~4 5), 16926#(<= ULTIMATE.start_main_~i~4 6), 16927#(<= ULTIMATE.start_main_~i~4 7), 16928#(<= ULTIMATE.start_main_~i~4 8), 16929#(<= ULTIMATE.start_main_~i~4 9), 16930#(<= ULTIMATE.start_main_~i~4 10), 16931#(<= ULTIMATE.start_main_~i~4 11), 16932#(<= ULTIMATE.start_main_~i~4 12), 16933#(<= ULTIMATE.start_main_~i~4 13), 16934#(<= ULTIMATE.start_main_~i~4 14), 16935#(<= ULTIMATE.start_main_~i~4 15), 16936#(<= ULTIMATE.start_main_~i~4 16), 16937#(<= ULTIMATE.start_main_~i~4 17), 16938#(<= ULTIMATE.start_main_~i~4 18), 16939#(<= ULTIMATE.start_main_~i~4 19), 16940#(<= ULTIMATE.start_main_~i~4 20), 16941#(<= ULTIMATE.start_main_~i~4 21), 16942#(<= ULTIMATE.start_main_~i~4 22), 16943#(<= ULTIMATE.start_main_~i~4 23), 16944#(<= ULTIMATE.start_main_~i~4 24), 16945#(<= ULTIMATE.start_main_~i~4 25), 16946#(<= ULTIMATE.start_main_~i~4 26), 16947#(<= ULTIMATE.start_main_~i~4 27), 16948#(<= ULTIMATE.start_main_~i~4 28), 16949#(<= ULTIMATE.start_main_~i~4 29), 16950#(<= ULTIMATE.start_main_~i~4 30), 16951#(<= ULTIMATE.start_main_~i~4 31), 16952#(<= ULTIMATE.start_main_~i~4 32), 16953#(<= ULTIMATE.start_main_~i~4 33), 16954#(<= ULTIMATE.start_main_~i~4 34), 16955#(<= ULTIMATE.start_main_~i~4 35), 16956#(<= ULTIMATE.start_main_~i~4 36), 16957#(<= ULTIMATE.start_main_~i~4 37), 16958#(<= ULTIMATE.start_main_~i~4 38), 16959#(<= ULTIMATE.start_main_~i~4 39), 16960#(<= ULTIMATE.start_main_~i~4 40), 16961#(<= ULTIMATE.start_main_~i~4 41), 16962#(<= ULTIMATE.start_main_~i~4 42), 16963#(<= ULTIMATE.start_main_~i~4 43), 16964#(<= ULTIMATE.start_main_~i~4 44), 16965#(<= ULTIMATE.start_main_~i~4 45), 16966#(<= ULTIMATE.start_main_~i~4 46), 16967#(<= ULTIMATE.start_main_~i~4 47), 16968#(<= ULTIMATE.start_main_~i~4 48), 16969#(<= ULTIMATE.start_main_~i~4 49), 16970#(<= ULTIMATE.start_main_~i~4 50), 16971#(<= ULTIMATE.start_main_~i~4 51), 16972#(<= ULTIMATE.start_main_~i~4 52), 16973#(<= ULTIMATE.start_main_~i~4 53), 16974#(<= ULTIMATE.start_main_~i~4 54), 16975#(<= ULTIMATE.start_main_~i~4 55), 16976#(<= ULTIMATE.start_main_~i~4 56), 16977#(<= ULTIMATE.start_main_~i~4 57), 16978#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:43:19,364 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 13:43:19,364 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:43:19,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:43:19,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:43:19,366 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 61 states. [2018-07-23 13:43:19,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:19,424 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:43:19,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:43:19,424 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 120 [2018-07-23 13:43:19,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:19,425 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:43:19,426 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:43:19,427 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:43:19,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:43:19,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:43:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:43:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:43:19,432 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:43:19,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:19,432 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:43:19,433 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:43:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:43:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:43:19,434 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:19,434 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:43:19,434 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:19,434 INFO L82 PathProgramCache]: Analyzing trace with hash 2123362341, now seen corresponding path program 59 times [2018-07-23 13:43:19,434 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:19,706 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 13:43:19,707 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:19,707 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:43:19,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:19,707 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 13:43:19,708 INFO L185 omatonBuilderFactory]: Interpolants [17536#(<= ULTIMATE.start_main_~i~4 59), 17475#true, 17476#false, 17477#(<= ULTIMATE.start_main_~i~4 0), 17478#(<= ULTIMATE.start_main_~i~4 1), 17479#(<= ULTIMATE.start_main_~i~4 2), 17480#(<= ULTIMATE.start_main_~i~4 3), 17481#(<= ULTIMATE.start_main_~i~4 4), 17482#(<= ULTIMATE.start_main_~i~4 5), 17483#(<= ULTIMATE.start_main_~i~4 6), 17484#(<= ULTIMATE.start_main_~i~4 7), 17485#(<= ULTIMATE.start_main_~i~4 8), 17486#(<= ULTIMATE.start_main_~i~4 9), 17487#(<= ULTIMATE.start_main_~i~4 10), 17488#(<= ULTIMATE.start_main_~i~4 11), 17489#(<= ULTIMATE.start_main_~i~4 12), 17490#(<= ULTIMATE.start_main_~i~4 13), 17491#(<= ULTIMATE.start_main_~i~4 14), 17492#(<= ULTIMATE.start_main_~i~4 15), 17493#(<= ULTIMATE.start_main_~i~4 16), 17494#(<= ULTIMATE.start_main_~i~4 17), 17495#(<= ULTIMATE.start_main_~i~4 18), 17496#(<= ULTIMATE.start_main_~i~4 19), 17497#(<= ULTIMATE.start_main_~i~4 20), 17498#(<= ULTIMATE.start_main_~i~4 21), 17499#(<= ULTIMATE.start_main_~i~4 22), 17500#(<= ULTIMATE.start_main_~i~4 23), 17501#(<= ULTIMATE.start_main_~i~4 24), 17502#(<= ULTIMATE.start_main_~i~4 25), 17503#(<= ULTIMATE.start_main_~i~4 26), 17504#(<= ULTIMATE.start_main_~i~4 27), 17505#(<= ULTIMATE.start_main_~i~4 28), 17506#(<= ULTIMATE.start_main_~i~4 29), 17507#(<= ULTIMATE.start_main_~i~4 30), 17508#(<= ULTIMATE.start_main_~i~4 31), 17509#(<= ULTIMATE.start_main_~i~4 32), 17510#(<= ULTIMATE.start_main_~i~4 33), 17511#(<= ULTIMATE.start_main_~i~4 34), 17512#(<= ULTIMATE.start_main_~i~4 35), 17513#(<= ULTIMATE.start_main_~i~4 36), 17514#(<= ULTIMATE.start_main_~i~4 37), 17515#(<= ULTIMATE.start_main_~i~4 38), 17516#(<= ULTIMATE.start_main_~i~4 39), 17517#(<= ULTIMATE.start_main_~i~4 40), 17518#(<= ULTIMATE.start_main_~i~4 41), 17519#(<= ULTIMATE.start_main_~i~4 42), 17520#(<= ULTIMATE.start_main_~i~4 43), 17521#(<= ULTIMATE.start_main_~i~4 44), 17522#(<= ULTIMATE.start_main_~i~4 45), 17523#(<= ULTIMATE.start_main_~i~4 46), 17524#(<= ULTIMATE.start_main_~i~4 47), 17525#(<= ULTIMATE.start_main_~i~4 48), 17526#(<= ULTIMATE.start_main_~i~4 49), 17527#(<= ULTIMATE.start_main_~i~4 50), 17528#(<= ULTIMATE.start_main_~i~4 51), 17529#(<= ULTIMATE.start_main_~i~4 52), 17530#(<= ULTIMATE.start_main_~i~4 53), 17531#(<= ULTIMATE.start_main_~i~4 54), 17532#(<= ULTIMATE.start_main_~i~4 55), 17533#(<= ULTIMATE.start_main_~i~4 56), 17534#(<= ULTIMATE.start_main_~i~4 57), 17535#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:43:19,708 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 13:43:19,709 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:43:19,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:43:19,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:43:19,711 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 62 states. [2018-07-23 13:43:19,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:19,779 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:43:19,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:43:19,779 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 122 [2018-07-23 13:43:19,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:19,781 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:43:19,781 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:43:19,782 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 13:43:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:43:19,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:43:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:43:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:43:19,787 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:43:19,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:19,787 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:43:19,787 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:43:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:43:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:43:19,788 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:19,789 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:43:19,789 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:19,789 INFO L82 PathProgramCache]: Analyzing trace with hash 441796191, now seen corresponding path program 60 times [2018-07-23 13:43:19,789 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:20,083 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 13:43:20,084 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:20,084 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:43:20,084 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,085 INFO L185 omatonBuilderFactory]: Interpolants [18048#(<= ULTIMATE.start_main_~i~4 5), 18049#(<= ULTIMATE.start_main_~i~4 6), 18050#(<= ULTIMATE.start_main_~i~4 7), 18051#(<= ULTIMATE.start_main_~i~4 8), 18052#(<= ULTIMATE.start_main_~i~4 9), 18053#(<= ULTIMATE.start_main_~i~4 10), 18054#(<= ULTIMATE.start_main_~i~4 11), 18055#(<= ULTIMATE.start_main_~i~4 12), 18056#(<= ULTIMATE.start_main_~i~4 13), 18057#(<= ULTIMATE.start_main_~i~4 14), 18058#(<= ULTIMATE.start_main_~i~4 15), 18059#(<= ULTIMATE.start_main_~i~4 16), 18060#(<= ULTIMATE.start_main_~i~4 17), 18061#(<= ULTIMATE.start_main_~i~4 18), 18062#(<= ULTIMATE.start_main_~i~4 19), 18063#(<= ULTIMATE.start_main_~i~4 20), 18064#(<= ULTIMATE.start_main_~i~4 21), 18065#(<= ULTIMATE.start_main_~i~4 22), 18066#(<= ULTIMATE.start_main_~i~4 23), 18067#(<= ULTIMATE.start_main_~i~4 24), 18068#(<= ULTIMATE.start_main_~i~4 25), 18069#(<= ULTIMATE.start_main_~i~4 26), 18070#(<= ULTIMATE.start_main_~i~4 27), 18071#(<= ULTIMATE.start_main_~i~4 28), 18072#(<= ULTIMATE.start_main_~i~4 29), 18073#(<= ULTIMATE.start_main_~i~4 30), 18074#(<= ULTIMATE.start_main_~i~4 31), 18075#(<= ULTIMATE.start_main_~i~4 32), 18076#(<= ULTIMATE.start_main_~i~4 33), 18077#(<= ULTIMATE.start_main_~i~4 34), 18078#(<= ULTIMATE.start_main_~i~4 35), 18079#(<= ULTIMATE.start_main_~i~4 36), 18080#(<= ULTIMATE.start_main_~i~4 37), 18081#(<= ULTIMATE.start_main_~i~4 38), 18082#(<= ULTIMATE.start_main_~i~4 39), 18083#(<= ULTIMATE.start_main_~i~4 40), 18084#(<= ULTIMATE.start_main_~i~4 41), 18085#(<= ULTIMATE.start_main_~i~4 42), 18086#(<= ULTIMATE.start_main_~i~4 43), 18087#(<= ULTIMATE.start_main_~i~4 44), 18088#(<= ULTIMATE.start_main_~i~4 45), 18089#(<= ULTIMATE.start_main_~i~4 46), 18090#(<= ULTIMATE.start_main_~i~4 47), 18091#(<= ULTIMATE.start_main_~i~4 48), 18092#(<= ULTIMATE.start_main_~i~4 49), 18093#(<= ULTIMATE.start_main_~i~4 50), 18094#(<= ULTIMATE.start_main_~i~4 51), 18095#(<= ULTIMATE.start_main_~i~4 52), 18096#(<= ULTIMATE.start_main_~i~4 53), 18097#(<= ULTIMATE.start_main_~i~4 54), 18098#(<= ULTIMATE.start_main_~i~4 55), 18099#(<= ULTIMATE.start_main_~i~4 56), 18100#(<= ULTIMATE.start_main_~i~4 57), 18101#(<= ULTIMATE.start_main_~i~4 58), 18102#(<= ULTIMATE.start_main_~i~4 59), 18103#(<= ULTIMATE.start_main_~i~4 60), 18041#true, 18042#false, 18043#(<= ULTIMATE.start_main_~i~4 0), 18044#(<= ULTIMATE.start_main_~i~4 1), 18045#(<= ULTIMATE.start_main_~i~4 2), 18046#(<= ULTIMATE.start_main_~i~4 3), 18047#(<= ULTIMATE.start_main_~i~4 4)] [2018-07-23 13:43:20,086 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 13:43:20,086 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:43:20,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:43:20,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:43:20,088 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 63 states. [2018-07-23 13:43:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:20,158 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:43:20,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:43:20,159 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 124 [2018-07-23 13:43:20,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:20,160 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:43:20,160 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:43:20,161 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:43:20,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:43:20,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:43:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:43:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:43:20,167 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:43:20,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:20,167 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:43:20,168 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:43:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:43:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:43:20,169 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:20,169 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:43:20,169 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:20,170 INFO L82 PathProgramCache]: Analyzing trace with hash -635570663, now seen corresponding path program 61 times [2018-07-23 13:43:20,170 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:20,490 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 13:43:20,490 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:20,490 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:43:20,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,491 INFO L185 omatonBuilderFactory]: Interpolants [18616#true, 18617#false, 18618#(<= ULTIMATE.start_main_~i~4 0), 18619#(<= ULTIMATE.start_main_~i~4 1), 18620#(<= ULTIMATE.start_main_~i~4 2), 18621#(<= ULTIMATE.start_main_~i~4 3), 18622#(<= ULTIMATE.start_main_~i~4 4), 18623#(<= ULTIMATE.start_main_~i~4 5), 18624#(<= ULTIMATE.start_main_~i~4 6), 18625#(<= ULTIMATE.start_main_~i~4 7), 18626#(<= ULTIMATE.start_main_~i~4 8), 18627#(<= ULTIMATE.start_main_~i~4 9), 18628#(<= ULTIMATE.start_main_~i~4 10), 18629#(<= ULTIMATE.start_main_~i~4 11), 18630#(<= ULTIMATE.start_main_~i~4 12), 18631#(<= ULTIMATE.start_main_~i~4 13), 18632#(<= ULTIMATE.start_main_~i~4 14), 18633#(<= ULTIMATE.start_main_~i~4 15), 18634#(<= ULTIMATE.start_main_~i~4 16), 18635#(<= ULTIMATE.start_main_~i~4 17), 18636#(<= ULTIMATE.start_main_~i~4 18), 18637#(<= ULTIMATE.start_main_~i~4 19), 18638#(<= ULTIMATE.start_main_~i~4 20), 18639#(<= ULTIMATE.start_main_~i~4 21), 18640#(<= ULTIMATE.start_main_~i~4 22), 18641#(<= ULTIMATE.start_main_~i~4 23), 18642#(<= ULTIMATE.start_main_~i~4 24), 18643#(<= ULTIMATE.start_main_~i~4 25), 18644#(<= ULTIMATE.start_main_~i~4 26), 18645#(<= ULTIMATE.start_main_~i~4 27), 18646#(<= ULTIMATE.start_main_~i~4 28), 18647#(<= ULTIMATE.start_main_~i~4 29), 18648#(<= ULTIMATE.start_main_~i~4 30), 18649#(<= ULTIMATE.start_main_~i~4 31), 18650#(<= ULTIMATE.start_main_~i~4 32), 18651#(<= ULTIMATE.start_main_~i~4 33), 18652#(<= ULTIMATE.start_main_~i~4 34), 18653#(<= ULTIMATE.start_main_~i~4 35), 18654#(<= ULTIMATE.start_main_~i~4 36), 18655#(<= ULTIMATE.start_main_~i~4 37), 18656#(<= ULTIMATE.start_main_~i~4 38), 18657#(<= ULTIMATE.start_main_~i~4 39), 18658#(<= ULTIMATE.start_main_~i~4 40), 18659#(<= ULTIMATE.start_main_~i~4 41), 18660#(<= ULTIMATE.start_main_~i~4 42), 18661#(<= ULTIMATE.start_main_~i~4 43), 18662#(<= ULTIMATE.start_main_~i~4 44), 18663#(<= ULTIMATE.start_main_~i~4 45), 18664#(<= ULTIMATE.start_main_~i~4 46), 18665#(<= ULTIMATE.start_main_~i~4 47), 18666#(<= ULTIMATE.start_main_~i~4 48), 18667#(<= ULTIMATE.start_main_~i~4 49), 18668#(<= ULTIMATE.start_main_~i~4 50), 18669#(<= ULTIMATE.start_main_~i~4 51), 18670#(<= ULTIMATE.start_main_~i~4 52), 18671#(<= ULTIMATE.start_main_~i~4 53), 18672#(<= ULTIMATE.start_main_~i~4 54), 18673#(<= ULTIMATE.start_main_~i~4 55), 18674#(<= ULTIMATE.start_main_~i~4 56), 18675#(<= ULTIMATE.start_main_~i~4 57), 18676#(<= ULTIMATE.start_main_~i~4 58), 18677#(<= ULTIMATE.start_main_~i~4 59), 18678#(<= ULTIMATE.start_main_~i~4 60), 18679#(<= ULTIMATE.start_main_~i~4 61)] [2018-07-23 13:43:20,491 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 13:43:20,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:43:20,492 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:43:20,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:43:20,493 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 64 states. [2018-07-23 13:43:20,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:20,556 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:43:20,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:43:20,556 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 126 [2018-07-23 13:43:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:20,557 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:43:20,557 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:43:20,558 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:43:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:43:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:43:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:43:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:43:20,563 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:43:20,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:20,563 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:43:20,563 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:43:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:43:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:43:20,564 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:20,565 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:43:20,565 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:20,565 INFO L82 PathProgramCache]: Analyzing trace with hash -897999021, now seen corresponding path program 62 times [2018-07-23 13:43:20,565 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:20,782 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 13:43:20,783 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:20,783 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:43:20,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:20,784 INFO L185 omatonBuilderFactory]: Interpolants [19200#true, 19201#false, 19202#(<= ULTIMATE.start_main_~i~4 0), 19203#(<= ULTIMATE.start_main_~i~4 1), 19204#(<= ULTIMATE.start_main_~i~4 2), 19205#(<= ULTIMATE.start_main_~i~4 3), 19206#(<= ULTIMATE.start_main_~i~4 4), 19207#(<= ULTIMATE.start_main_~i~4 5), 19208#(<= ULTIMATE.start_main_~i~4 6), 19209#(<= ULTIMATE.start_main_~i~4 7), 19210#(<= ULTIMATE.start_main_~i~4 8), 19211#(<= ULTIMATE.start_main_~i~4 9), 19212#(<= ULTIMATE.start_main_~i~4 10), 19213#(<= ULTIMATE.start_main_~i~4 11), 19214#(<= ULTIMATE.start_main_~i~4 12), 19215#(<= ULTIMATE.start_main_~i~4 13), 19216#(<= ULTIMATE.start_main_~i~4 14), 19217#(<= ULTIMATE.start_main_~i~4 15), 19218#(<= ULTIMATE.start_main_~i~4 16), 19219#(<= ULTIMATE.start_main_~i~4 17), 19220#(<= ULTIMATE.start_main_~i~4 18), 19221#(<= ULTIMATE.start_main_~i~4 19), 19222#(<= ULTIMATE.start_main_~i~4 20), 19223#(<= ULTIMATE.start_main_~i~4 21), 19224#(<= ULTIMATE.start_main_~i~4 22), 19225#(<= ULTIMATE.start_main_~i~4 23), 19226#(<= ULTIMATE.start_main_~i~4 24), 19227#(<= ULTIMATE.start_main_~i~4 25), 19228#(<= ULTIMATE.start_main_~i~4 26), 19229#(<= ULTIMATE.start_main_~i~4 27), 19230#(<= ULTIMATE.start_main_~i~4 28), 19231#(<= ULTIMATE.start_main_~i~4 29), 19232#(<= ULTIMATE.start_main_~i~4 30), 19233#(<= ULTIMATE.start_main_~i~4 31), 19234#(<= ULTIMATE.start_main_~i~4 32), 19235#(<= ULTIMATE.start_main_~i~4 33), 19236#(<= ULTIMATE.start_main_~i~4 34), 19237#(<= ULTIMATE.start_main_~i~4 35), 19238#(<= ULTIMATE.start_main_~i~4 36), 19239#(<= ULTIMATE.start_main_~i~4 37), 19240#(<= ULTIMATE.start_main_~i~4 38), 19241#(<= ULTIMATE.start_main_~i~4 39), 19242#(<= ULTIMATE.start_main_~i~4 40), 19243#(<= ULTIMATE.start_main_~i~4 41), 19244#(<= ULTIMATE.start_main_~i~4 42), 19245#(<= ULTIMATE.start_main_~i~4 43), 19246#(<= ULTIMATE.start_main_~i~4 44), 19247#(<= ULTIMATE.start_main_~i~4 45), 19248#(<= ULTIMATE.start_main_~i~4 46), 19249#(<= ULTIMATE.start_main_~i~4 47), 19250#(<= ULTIMATE.start_main_~i~4 48), 19251#(<= ULTIMATE.start_main_~i~4 49), 19252#(<= ULTIMATE.start_main_~i~4 50), 19253#(<= ULTIMATE.start_main_~i~4 51), 19254#(<= ULTIMATE.start_main_~i~4 52), 19255#(<= ULTIMATE.start_main_~i~4 53), 19256#(<= ULTIMATE.start_main_~i~4 54), 19257#(<= ULTIMATE.start_main_~i~4 55), 19258#(<= ULTIMATE.start_main_~i~4 56), 19259#(<= ULTIMATE.start_main_~i~4 57), 19260#(<= ULTIMATE.start_main_~i~4 58), 19261#(<= ULTIMATE.start_main_~i~4 59), 19262#(<= ULTIMATE.start_main_~i~4 60), 19263#(<= ULTIMATE.start_main_~i~4 61), 19264#(<= ULTIMATE.start_main_~i~4 62)] [2018-07-23 13:43:20,784 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 13:43:20,785 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:43:20,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:43:20,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:43:20,788 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 65 states. [2018-07-23 13:43:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:20,858 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:43:20,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:43:20,859 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 128 [2018-07-23 13:43:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:20,860 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:43:20,860 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:43:20,861 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 13:43:20,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:43:20,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:43:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:43:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:43:20,866 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:43:20,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:20,866 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:43:20,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:43:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:43:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:43:20,867 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:20,868 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:43:20,868 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:20,868 INFO L82 PathProgramCache]: Analyzing trace with hash 311419405, now seen corresponding path program 63 times [2018-07-23 13:43:20,868 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:21,093 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 13:43:21,094 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:21,094 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:43:21,094 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:21,095 INFO L185 omatonBuilderFactory]: Interpolants [19840#(<= ULTIMATE.start_main_~i~4 45), 19841#(<= ULTIMATE.start_main_~i~4 46), 19842#(<= ULTIMATE.start_main_~i~4 47), 19843#(<= ULTIMATE.start_main_~i~4 48), 19844#(<= ULTIMATE.start_main_~i~4 49), 19845#(<= ULTIMATE.start_main_~i~4 50), 19846#(<= ULTIMATE.start_main_~i~4 51), 19847#(<= ULTIMATE.start_main_~i~4 52), 19848#(<= ULTIMATE.start_main_~i~4 53), 19849#(<= ULTIMATE.start_main_~i~4 54), 19850#(<= ULTIMATE.start_main_~i~4 55), 19851#(<= ULTIMATE.start_main_~i~4 56), 19852#(<= ULTIMATE.start_main_~i~4 57), 19853#(<= ULTIMATE.start_main_~i~4 58), 19854#(<= ULTIMATE.start_main_~i~4 59), 19855#(<= ULTIMATE.start_main_~i~4 60), 19856#(<= ULTIMATE.start_main_~i~4 61), 19857#(<= ULTIMATE.start_main_~i~4 62), 19858#(<= ULTIMATE.start_main_~i~4 63), 19793#true, 19794#false, 19795#(<= ULTIMATE.start_main_~i~4 0), 19796#(<= ULTIMATE.start_main_~i~4 1), 19797#(<= ULTIMATE.start_main_~i~4 2), 19798#(<= ULTIMATE.start_main_~i~4 3), 19799#(<= ULTIMATE.start_main_~i~4 4), 19800#(<= ULTIMATE.start_main_~i~4 5), 19801#(<= ULTIMATE.start_main_~i~4 6), 19802#(<= ULTIMATE.start_main_~i~4 7), 19803#(<= ULTIMATE.start_main_~i~4 8), 19804#(<= ULTIMATE.start_main_~i~4 9), 19805#(<= ULTIMATE.start_main_~i~4 10), 19806#(<= ULTIMATE.start_main_~i~4 11), 19807#(<= ULTIMATE.start_main_~i~4 12), 19808#(<= ULTIMATE.start_main_~i~4 13), 19809#(<= ULTIMATE.start_main_~i~4 14), 19810#(<= ULTIMATE.start_main_~i~4 15), 19811#(<= ULTIMATE.start_main_~i~4 16), 19812#(<= ULTIMATE.start_main_~i~4 17), 19813#(<= ULTIMATE.start_main_~i~4 18), 19814#(<= ULTIMATE.start_main_~i~4 19), 19815#(<= ULTIMATE.start_main_~i~4 20), 19816#(<= ULTIMATE.start_main_~i~4 21), 19817#(<= ULTIMATE.start_main_~i~4 22), 19818#(<= ULTIMATE.start_main_~i~4 23), 19819#(<= ULTIMATE.start_main_~i~4 24), 19820#(<= ULTIMATE.start_main_~i~4 25), 19821#(<= ULTIMATE.start_main_~i~4 26), 19822#(<= ULTIMATE.start_main_~i~4 27), 19823#(<= ULTIMATE.start_main_~i~4 28), 19824#(<= ULTIMATE.start_main_~i~4 29), 19825#(<= ULTIMATE.start_main_~i~4 30), 19826#(<= ULTIMATE.start_main_~i~4 31), 19827#(<= ULTIMATE.start_main_~i~4 32), 19828#(<= ULTIMATE.start_main_~i~4 33), 19829#(<= ULTIMATE.start_main_~i~4 34), 19830#(<= ULTIMATE.start_main_~i~4 35), 19831#(<= ULTIMATE.start_main_~i~4 36), 19832#(<= ULTIMATE.start_main_~i~4 37), 19833#(<= ULTIMATE.start_main_~i~4 38), 19834#(<= ULTIMATE.start_main_~i~4 39), 19835#(<= ULTIMATE.start_main_~i~4 40), 19836#(<= ULTIMATE.start_main_~i~4 41), 19837#(<= ULTIMATE.start_main_~i~4 42), 19838#(<= ULTIMATE.start_main_~i~4 43), 19839#(<= ULTIMATE.start_main_~i~4 44)] [2018-07-23 13:43:21,095 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 13:43:21,096 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:43:21,096 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:43:21,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:43:21,097 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 66 states. [2018-07-23 13:43:21,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:21,139 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:43:21,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:43:21,139 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 130 [2018-07-23 13:43:21,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:21,140 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:43:21,140 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:43:21,141 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 13:43:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:43:21,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:43:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:43:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:43:21,146 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:43:21,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:21,147 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:43:21,147 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:43:21,147 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:43:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:43:21,148 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:21,148 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:43:21,148 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:21,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1373610425, now seen corresponding path program 64 times [2018-07-23 13:43:21,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:21,383 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 13:43:21,383 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:21,383 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:43:21,384 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:21,384 INFO L185 omatonBuilderFactory]: Interpolants [20395#true, 20396#false, 20397#(<= ULTIMATE.start_main_~i~4 0), 20398#(<= ULTIMATE.start_main_~i~4 1), 20399#(<= ULTIMATE.start_main_~i~4 2), 20400#(<= ULTIMATE.start_main_~i~4 3), 20401#(<= ULTIMATE.start_main_~i~4 4), 20402#(<= ULTIMATE.start_main_~i~4 5), 20403#(<= ULTIMATE.start_main_~i~4 6), 20404#(<= ULTIMATE.start_main_~i~4 7), 20405#(<= ULTIMATE.start_main_~i~4 8), 20406#(<= ULTIMATE.start_main_~i~4 9), 20407#(<= ULTIMATE.start_main_~i~4 10), 20408#(<= ULTIMATE.start_main_~i~4 11), 20409#(<= ULTIMATE.start_main_~i~4 12), 20410#(<= ULTIMATE.start_main_~i~4 13), 20411#(<= ULTIMATE.start_main_~i~4 14), 20412#(<= ULTIMATE.start_main_~i~4 15), 20413#(<= ULTIMATE.start_main_~i~4 16), 20414#(<= ULTIMATE.start_main_~i~4 17), 20415#(<= ULTIMATE.start_main_~i~4 18), 20416#(<= ULTIMATE.start_main_~i~4 19), 20417#(<= ULTIMATE.start_main_~i~4 20), 20418#(<= ULTIMATE.start_main_~i~4 21), 20419#(<= ULTIMATE.start_main_~i~4 22), 20420#(<= ULTIMATE.start_main_~i~4 23), 20421#(<= ULTIMATE.start_main_~i~4 24), 20422#(<= ULTIMATE.start_main_~i~4 25), 20423#(<= ULTIMATE.start_main_~i~4 26), 20424#(<= ULTIMATE.start_main_~i~4 27), 20425#(<= ULTIMATE.start_main_~i~4 28), 20426#(<= ULTIMATE.start_main_~i~4 29), 20427#(<= ULTIMATE.start_main_~i~4 30), 20428#(<= ULTIMATE.start_main_~i~4 31), 20429#(<= ULTIMATE.start_main_~i~4 32), 20430#(<= ULTIMATE.start_main_~i~4 33), 20431#(<= ULTIMATE.start_main_~i~4 34), 20432#(<= ULTIMATE.start_main_~i~4 35), 20433#(<= ULTIMATE.start_main_~i~4 36), 20434#(<= ULTIMATE.start_main_~i~4 37), 20435#(<= ULTIMATE.start_main_~i~4 38), 20436#(<= ULTIMATE.start_main_~i~4 39), 20437#(<= ULTIMATE.start_main_~i~4 40), 20438#(<= ULTIMATE.start_main_~i~4 41), 20439#(<= ULTIMATE.start_main_~i~4 42), 20440#(<= ULTIMATE.start_main_~i~4 43), 20441#(<= ULTIMATE.start_main_~i~4 44), 20442#(<= ULTIMATE.start_main_~i~4 45), 20443#(<= ULTIMATE.start_main_~i~4 46), 20444#(<= ULTIMATE.start_main_~i~4 47), 20445#(<= ULTIMATE.start_main_~i~4 48), 20446#(<= ULTIMATE.start_main_~i~4 49), 20447#(<= ULTIMATE.start_main_~i~4 50), 20448#(<= ULTIMATE.start_main_~i~4 51), 20449#(<= ULTIMATE.start_main_~i~4 52), 20450#(<= ULTIMATE.start_main_~i~4 53), 20451#(<= ULTIMATE.start_main_~i~4 54), 20452#(<= ULTIMATE.start_main_~i~4 55), 20453#(<= ULTIMATE.start_main_~i~4 56), 20454#(<= ULTIMATE.start_main_~i~4 57), 20455#(<= ULTIMATE.start_main_~i~4 58), 20456#(<= ULTIMATE.start_main_~i~4 59), 20457#(<= ULTIMATE.start_main_~i~4 60), 20458#(<= ULTIMATE.start_main_~i~4 61), 20459#(<= ULTIMATE.start_main_~i~4 62), 20460#(<= ULTIMATE.start_main_~i~4 63), 20461#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:43:21,385 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 13:43:21,385 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:43:21,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:43:21,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:43:21,387 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 67 states. [2018-07-23 13:43:21,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:21,458 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:43:21,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:43:21,458 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 132 [2018-07-23 13:43:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:21,459 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:43:21,459 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:43:21,460 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 13:43:21,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:43:21,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:43:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:43:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:43:21,466 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:43:21,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:21,466 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:43:21,466 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:43:21,466 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:43:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:43:21,467 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:21,468 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:43:21,468 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:21,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1484606463, now seen corresponding path program 65 times [2018-07-23 13:43:21,468 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:21,700 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 13:43:21,700 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:21,700 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:43:21,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:21,701 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 13:43:21,701 INFO L185 omatonBuilderFactory]: Interpolants [21006#true, 21007#false, 21008#(<= ULTIMATE.start_main_~i~4 0), 21009#(<= ULTIMATE.start_main_~i~4 1), 21010#(<= ULTIMATE.start_main_~i~4 2), 21011#(<= ULTIMATE.start_main_~i~4 3), 21012#(<= ULTIMATE.start_main_~i~4 4), 21013#(<= ULTIMATE.start_main_~i~4 5), 21014#(<= ULTIMATE.start_main_~i~4 6), 21015#(<= ULTIMATE.start_main_~i~4 7), 21016#(<= ULTIMATE.start_main_~i~4 8), 21017#(<= ULTIMATE.start_main_~i~4 9), 21018#(<= ULTIMATE.start_main_~i~4 10), 21019#(<= ULTIMATE.start_main_~i~4 11), 21020#(<= ULTIMATE.start_main_~i~4 12), 21021#(<= ULTIMATE.start_main_~i~4 13), 21022#(<= ULTIMATE.start_main_~i~4 14), 21023#(<= ULTIMATE.start_main_~i~4 15), 21024#(<= ULTIMATE.start_main_~i~4 16), 21025#(<= ULTIMATE.start_main_~i~4 17), 21026#(<= ULTIMATE.start_main_~i~4 18), 21027#(<= ULTIMATE.start_main_~i~4 19), 21028#(<= ULTIMATE.start_main_~i~4 20), 21029#(<= ULTIMATE.start_main_~i~4 21), 21030#(<= ULTIMATE.start_main_~i~4 22), 21031#(<= ULTIMATE.start_main_~i~4 23), 21032#(<= ULTIMATE.start_main_~i~4 24), 21033#(<= ULTIMATE.start_main_~i~4 25), 21034#(<= ULTIMATE.start_main_~i~4 26), 21035#(<= ULTIMATE.start_main_~i~4 27), 21036#(<= ULTIMATE.start_main_~i~4 28), 21037#(<= ULTIMATE.start_main_~i~4 29), 21038#(<= ULTIMATE.start_main_~i~4 30), 21039#(<= ULTIMATE.start_main_~i~4 31), 21040#(<= ULTIMATE.start_main_~i~4 32), 21041#(<= ULTIMATE.start_main_~i~4 33), 21042#(<= ULTIMATE.start_main_~i~4 34), 21043#(<= ULTIMATE.start_main_~i~4 35), 21044#(<= ULTIMATE.start_main_~i~4 36), 21045#(<= ULTIMATE.start_main_~i~4 37), 21046#(<= ULTIMATE.start_main_~i~4 38), 21047#(<= ULTIMATE.start_main_~i~4 39), 21048#(<= ULTIMATE.start_main_~i~4 40), 21049#(<= ULTIMATE.start_main_~i~4 41), 21050#(<= ULTIMATE.start_main_~i~4 42), 21051#(<= ULTIMATE.start_main_~i~4 43), 21052#(<= ULTIMATE.start_main_~i~4 44), 21053#(<= ULTIMATE.start_main_~i~4 45), 21054#(<= ULTIMATE.start_main_~i~4 46), 21055#(<= ULTIMATE.start_main_~i~4 47), 21056#(<= ULTIMATE.start_main_~i~4 48), 21057#(<= ULTIMATE.start_main_~i~4 49), 21058#(<= ULTIMATE.start_main_~i~4 50), 21059#(<= ULTIMATE.start_main_~i~4 51), 21060#(<= ULTIMATE.start_main_~i~4 52), 21061#(<= ULTIMATE.start_main_~i~4 53), 21062#(<= ULTIMATE.start_main_~i~4 54), 21063#(<= ULTIMATE.start_main_~i~4 55), 21064#(<= ULTIMATE.start_main_~i~4 56), 21065#(<= ULTIMATE.start_main_~i~4 57), 21066#(<= ULTIMATE.start_main_~i~4 58), 21067#(<= ULTIMATE.start_main_~i~4 59), 21068#(<= ULTIMATE.start_main_~i~4 60), 21069#(<= ULTIMATE.start_main_~i~4 61), 21070#(<= ULTIMATE.start_main_~i~4 62), 21071#(<= ULTIMATE.start_main_~i~4 63), 21072#(<= ULTIMATE.start_main_~i~4 64), 21073#(<= ULTIMATE.start_main_~i~4 65)] [2018-07-23 13:43:21,702 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 13:43:21,702 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:43:21,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:43:21,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:43:21,704 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 68 states. [2018-07-23 13:43:21,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:21,779 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:43:21,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:43:21,779 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 134 [2018-07-23 13:43:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:21,781 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:43:21,781 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:43:21,781 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 13:43:21,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:43:21,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:43:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:43:21,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:43:21,788 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:43:21,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:21,789 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:43:21,789 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:43:21,789 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:43:21,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:43:21,790 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:21,790 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:43:21,791 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:21,791 INFO L82 PathProgramCache]: Analyzing trace with hash -777616581, now seen corresponding path program 66 times [2018-07-23 13:43:21,791 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:22,025 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 13:43:22,025 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:22,026 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:43:22,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:22,027 INFO L185 omatonBuilderFactory]: Interpolants [21632#(<= ULTIMATE.start_main_~i~4 4), 21633#(<= ULTIMATE.start_main_~i~4 5), 21634#(<= ULTIMATE.start_main_~i~4 6), 21635#(<= ULTIMATE.start_main_~i~4 7), 21636#(<= ULTIMATE.start_main_~i~4 8), 21637#(<= ULTIMATE.start_main_~i~4 9), 21638#(<= ULTIMATE.start_main_~i~4 10), 21639#(<= ULTIMATE.start_main_~i~4 11), 21640#(<= ULTIMATE.start_main_~i~4 12), 21641#(<= ULTIMATE.start_main_~i~4 13), 21642#(<= ULTIMATE.start_main_~i~4 14), 21643#(<= ULTIMATE.start_main_~i~4 15), 21644#(<= ULTIMATE.start_main_~i~4 16), 21645#(<= ULTIMATE.start_main_~i~4 17), 21646#(<= ULTIMATE.start_main_~i~4 18), 21647#(<= ULTIMATE.start_main_~i~4 19), 21648#(<= ULTIMATE.start_main_~i~4 20), 21649#(<= ULTIMATE.start_main_~i~4 21), 21650#(<= ULTIMATE.start_main_~i~4 22), 21651#(<= ULTIMATE.start_main_~i~4 23), 21652#(<= ULTIMATE.start_main_~i~4 24), 21653#(<= ULTIMATE.start_main_~i~4 25), 21654#(<= ULTIMATE.start_main_~i~4 26), 21655#(<= ULTIMATE.start_main_~i~4 27), 21656#(<= ULTIMATE.start_main_~i~4 28), 21657#(<= ULTIMATE.start_main_~i~4 29), 21658#(<= ULTIMATE.start_main_~i~4 30), 21659#(<= ULTIMATE.start_main_~i~4 31), 21660#(<= ULTIMATE.start_main_~i~4 32), 21661#(<= ULTIMATE.start_main_~i~4 33), 21662#(<= ULTIMATE.start_main_~i~4 34), 21663#(<= ULTIMATE.start_main_~i~4 35), 21664#(<= ULTIMATE.start_main_~i~4 36), 21665#(<= ULTIMATE.start_main_~i~4 37), 21666#(<= ULTIMATE.start_main_~i~4 38), 21667#(<= ULTIMATE.start_main_~i~4 39), 21668#(<= ULTIMATE.start_main_~i~4 40), 21669#(<= ULTIMATE.start_main_~i~4 41), 21670#(<= ULTIMATE.start_main_~i~4 42), 21671#(<= ULTIMATE.start_main_~i~4 43), 21672#(<= ULTIMATE.start_main_~i~4 44), 21673#(<= ULTIMATE.start_main_~i~4 45), 21674#(<= ULTIMATE.start_main_~i~4 46), 21675#(<= ULTIMATE.start_main_~i~4 47), 21676#(<= ULTIMATE.start_main_~i~4 48), 21677#(<= ULTIMATE.start_main_~i~4 49), 21678#(<= ULTIMATE.start_main_~i~4 50), 21679#(<= ULTIMATE.start_main_~i~4 51), 21680#(<= ULTIMATE.start_main_~i~4 52), 21681#(<= ULTIMATE.start_main_~i~4 53), 21682#(<= ULTIMATE.start_main_~i~4 54), 21683#(<= ULTIMATE.start_main_~i~4 55), 21684#(<= ULTIMATE.start_main_~i~4 56), 21685#(<= ULTIMATE.start_main_~i~4 57), 21686#(<= ULTIMATE.start_main_~i~4 58), 21687#(<= ULTIMATE.start_main_~i~4 59), 21688#(<= ULTIMATE.start_main_~i~4 60), 21689#(<= ULTIMATE.start_main_~i~4 61), 21690#(<= ULTIMATE.start_main_~i~4 62), 21691#(<= ULTIMATE.start_main_~i~4 63), 21692#(<= ULTIMATE.start_main_~i~4 64), 21693#(<= ULTIMATE.start_main_~i~4 65), 21694#(<= ULTIMATE.start_main_~i~4 66), 21626#true, 21627#false, 21628#(<= ULTIMATE.start_main_~i~4 0), 21629#(<= ULTIMATE.start_main_~i~4 1), 21630#(<= ULTIMATE.start_main_~i~4 2), 21631#(<= ULTIMATE.start_main_~i~4 3)] [2018-07-23 13:43:22,027 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 13:43:22,027 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:43:22,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:43:22,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:43:22,029 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 69 states. [2018-07-23 13:43:22,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:22,114 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:43:22,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:43:22,114 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 136 [2018-07-23 13:43:22,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:22,115 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:43:22,116 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:43:22,116 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:43:22,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:43:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:43:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:43:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:43:22,121 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:43:22,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:22,122 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:43:22,122 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:43:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:43:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:43:22,123 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:22,123 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:43:22,123 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:22,124 INFO L82 PathProgramCache]: Analyzing trace with hash 34827253, now seen corresponding path program 67 times [2018-07-23 13:43:22,124 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:22,372 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 13:43:22,373 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:22,373 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:43:22,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:22,374 INFO L185 omatonBuilderFactory]: Interpolants [22272#(<= ULTIMATE.start_main_~i~4 15), 22273#(<= ULTIMATE.start_main_~i~4 16), 22274#(<= ULTIMATE.start_main_~i~4 17), 22275#(<= ULTIMATE.start_main_~i~4 18), 22276#(<= ULTIMATE.start_main_~i~4 19), 22277#(<= ULTIMATE.start_main_~i~4 20), 22278#(<= ULTIMATE.start_main_~i~4 21), 22279#(<= ULTIMATE.start_main_~i~4 22), 22280#(<= ULTIMATE.start_main_~i~4 23), 22281#(<= ULTIMATE.start_main_~i~4 24), 22282#(<= ULTIMATE.start_main_~i~4 25), 22283#(<= ULTIMATE.start_main_~i~4 26), 22284#(<= ULTIMATE.start_main_~i~4 27), 22285#(<= ULTIMATE.start_main_~i~4 28), 22286#(<= ULTIMATE.start_main_~i~4 29), 22287#(<= ULTIMATE.start_main_~i~4 30), 22288#(<= ULTIMATE.start_main_~i~4 31), 22289#(<= ULTIMATE.start_main_~i~4 32), 22290#(<= ULTIMATE.start_main_~i~4 33), 22291#(<= ULTIMATE.start_main_~i~4 34), 22292#(<= ULTIMATE.start_main_~i~4 35), 22293#(<= ULTIMATE.start_main_~i~4 36), 22294#(<= ULTIMATE.start_main_~i~4 37), 22295#(<= ULTIMATE.start_main_~i~4 38), 22296#(<= ULTIMATE.start_main_~i~4 39), 22297#(<= ULTIMATE.start_main_~i~4 40), 22298#(<= ULTIMATE.start_main_~i~4 41), 22299#(<= ULTIMATE.start_main_~i~4 42), 22300#(<= ULTIMATE.start_main_~i~4 43), 22301#(<= ULTIMATE.start_main_~i~4 44), 22302#(<= ULTIMATE.start_main_~i~4 45), 22303#(<= ULTIMATE.start_main_~i~4 46), 22304#(<= ULTIMATE.start_main_~i~4 47), 22305#(<= ULTIMATE.start_main_~i~4 48), 22306#(<= ULTIMATE.start_main_~i~4 49), 22307#(<= ULTIMATE.start_main_~i~4 50), 22308#(<= ULTIMATE.start_main_~i~4 51), 22309#(<= ULTIMATE.start_main_~i~4 52), 22310#(<= ULTIMATE.start_main_~i~4 53), 22311#(<= ULTIMATE.start_main_~i~4 54), 22312#(<= ULTIMATE.start_main_~i~4 55), 22313#(<= ULTIMATE.start_main_~i~4 56), 22314#(<= ULTIMATE.start_main_~i~4 57), 22315#(<= ULTIMATE.start_main_~i~4 58), 22316#(<= ULTIMATE.start_main_~i~4 59), 22317#(<= ULTIMATE.start_main_~i~4 60), 22318#(<= ULTIMATE.start_main_~i~4 61), 22319#(<= ULTIMATE.start_main_~i~4 62), 22320#(<= ULTIMATE.start_main_~i~4 63), 22321#(<= ULTIMATE.start_main_~i~4 64), 22322#(<= ULTIMATE.start_main_~i~4 65), 22323#(<= ULTIMATE.start_main_~i~4 66), 22324#(<= ULTIMATE.start_main_~i~4 67), 22255#true, 22256#false, 22257#(<= ULTIMATE.start_main_~i~4 0), 22258#(<= ULTIMATE.start_main_~i~4 1), 22259#(<= ULTIMATE.start_main_~i~4 2), 22260#(<= ULTIMATE.start_main_~i~4 3), 22261#(<= ULTIMATE.start_main_~i~4 4), 22262#(<= ULTIMATE.start_main_~i~4 5), 22263#(<= ULTIMATE.start_main_~i~4 6), 22264#(<= ULTIMATE.start_main_~i~4 7), 22265#(<= ULTIMATE.start_main_~i~4 8), 22266#(<= ULTIMATE.start_main_~i~4 9), 22267#(<= ULTIMATE.start_main_~i~4 10), 22268#(<= ULTIMATE.start_main_~i~4 11), 22269#(<= ULTIMATE.start_main_~i~4 12), 22270#(<= ULTIMATE.start_main_~i~4 13), 22271#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:43:22,374 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 13:43:22,375 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:43:22,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:43:22,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:43:22,376 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 70 states. [2018-07-23 13:43:22,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:22,452 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:43:22,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:43:22,452 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 138 [2018-07-23 13:43:22,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:22,454 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:43:22,454 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:43:22,454 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 13:43:22,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:43:22,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:43:22,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:43:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:43:22,459 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:43:22,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:22,459 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:43:22,460 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:43:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:43:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:43:22,461 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:22,461 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:43:22,461 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:22,461 INFO L82 PathProgramCache]: Analyzing trace with hash -890696145, now seen corresponding path program 68 times [2018-07-23 13:43:22,462 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:22,718 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 13:43:22,718 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:22,718 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:43:22,718 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:22,719 INFO L185 omatonBuilderFactory]: Interpolants [22912#(<= ULTIMATE.start_main_~i~4 17), 22913#(<= ULTIMATE.start_main_~i~4 18), 22914#(<= ULTIMATE.start_main_~i~4 19), 22915#(<= ULTIMATE.start_main_~i~4 20), 22916#(<= ULTIMATE.start_main_~i~4 21), 22917#(<= ULTIMATE.start_main_~i~4 22), 22918#(<= ULTIMATE.start_main_~i~4 23), 22919#(<= ULTIMATE.start_main_~i~4 24), 22920#(<= ULTIMATE.start_main_~i~4 25), 22921#(<= ULTIMATE.start_main_~i~4 26), 22922#(<= ULTIMATE.start_main_~i~4 27), 22923#(<= ULTIMATE.start_main_~i~4 28), 22924#(<= ULTIMATE.start_main_~i~4 29), 22925#(<= ULTIMATE.start_main_~i~4 30), 22926#(<= ULTIMATE.start_main_~i~4 31), 22927#(<= ULTIMATE.start_main_~i~4 32), 22928#(<= ULTIMATE.start_main_~i~4 33), 22929#(<= ULTIMATE.start_main_~i~4 34), 22930#(<= ULTIMATE.start_main_~i~4 35), 22931#(<= ULTIMATE.start_main_~i~4 36), 22932#(<= ULTIMATE.start_main_~i~4 37), 22933#(<= ULTIMATE.start_main_~i~4 38), 22934#(<= ULTIMATE.start_main_~i~4 39), 22935#(<= ULTIMATE.start_main_~i~4 40), 22936#(<= ULTIMATE.start_main_~i~4 41), 22937#(<= ULTIMATE.start_main_~i~4 42), 22938#(<= ULTIMATE.start_main_~i~4 43), 22939#(<= ULTIMATE.start_main_~i~4 44), 22940#(<= ULTIMATE.start_main_~i~4 45), 22941#(<= ULTIMATE.start_main_~i~4 46), 22942#(<= ULTIMATE.start_main_~i~4 47), 22943#(<= ULTIMATE.start_main_~i~4 48), 22944#(<= ULTIMATE.start_main_~i~4 49), 22945#(<= ULTIMATE.start_main_~i~4 50), 22946#(<= ULTIMATE.start_main_~i~4 51), 22947#(<= ULTIMATE.start_main_~i~4 52), 22948#(<= ULTIMATE.start_main_~i~4 53), 22949#(<= ULTIMATE.start_main_~i~4 54), 22950#(<= ULTIMATE.start_main_~i~4 55), 22951#(<= ULTIMATE.start_main_~i~4 56), 22952#(<= ULTIMATE.start_main_~i~4 57), 22953#(<= ULTIMATE.start_main_~i~4 58), 22954#(<= ULTIMATE.start_main_~i~4 59), 22955#(<= ULTIMATE.start_main_~i~4 60), 22956#(<= ULTIMATE.start_main_~i~4 61), 22957#(<= ULTIMATE.start_main_~i~4 62), 22958#(<= ULTIMATE.start_main_~i~4 63), 22959#(<= ULTIMATE.start_main_~i~4 64), 22960#(<= ULTIMATE.start_main_~i~4 65), 22961#(<= ULTIMATE.start_main_~i~4 66), 22962#(<= ULTIMATE.start_main_~i~4 67), 22963#(<= ULTIMATE.start_main_~i~4 68), 22893#true, 22894#false, 22895#(<= ULTIMATE.start_main_~i~4 0), 22896#(<= ULTIMATE.start_main_~i~4 1), 22897#(<= ULTIMATE.start_main_~i~4 2), 22898#(<= ULTIMATE.start_main_~i~4 3), 22899#(<= ULTIMATE.start_main_~i~4 4), 22900#(<= ULTIMATE.start_main_~i~4 5), 22901#(<= ULTIMATE.start_main_~i~4 6), 22902#(<= ULTIMATE.start_main_~i~4 7), 22903#(<= ULTIMATE.start_main_~i~4 8), 22904#(<= ULTIMATE.start_main_~i~4 9), 22905#(<= ULTIMATE.start_main_~i~4 10), 22906#(<= ULTIMATE.start_main_~i~4 11), 22907#(<= ULTIMATE.start_main_~i~4 12), 22908#(<= ULTIMATE.start_main_~i~4 13), 22909#(<= ULTIMATE.start_main_~i~4 14), 22910#(<= ULTIMATE.start_main_~i~4 15), 22911#(<= ULTIMATE.start_main_~i~4 16)] [2018-07-23 13:43:22,720 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 13:43:22,720 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:43:22,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:43:22,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:43:22,721 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 71 states. [2018-07-23 13:43:22,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:22,789 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:43:22,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:43:22,790 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 140 [2018-07-23 13:43:22,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:22,791 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:43:22,791 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:43:22,792 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 13:43:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:43:22,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:43:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:43:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:43:22,796 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:43:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:22,796 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:43:22,797 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:43:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:43:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:43:22,798 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:22,798 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:43:22,798 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:22,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1260451351, now seen corresponding path program 69 times [2018-07-23 13:43:22,799 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:23,010 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 13:43:23,011 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:23,011 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:43:23,011 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:23,012 INFO L185 omatonBuilderFactory]: Interpolants [23552#(<= ULTIMATE.start_main_~i~4 10), 23553#(<= ULTIMATE.start_main_~i~4 11), 23554#(<= ULTIMATE.start_main_~i~4 12), 23555#(<= ULTIMATE.start_main_~i~4 13), 23556#(<= ULTIMATE.start_main_~i~4 14), 23557#(<= ULTIMATE.start_main_~i~4 15), 23558#(<= ULTIMATE.start_main_~i~4 16), 23559#(<= ULTIMATE.start_main_~i~4 17), 23560#(<= ULTIMATE.start_main_~i~4 18), 23561#(<= ULTIMATE.start_main_~i~4 19), 23562#(<= ULTIMATE.start_main_~i~4 20), 23563#(<= ULTIMATE.start_main_~i~4 21), 23564#(<= ULTIMATE.start_main_~i~4 22), 23565#(<= ULTIMATE.start_main_~i~4 23), 23566#(<= ULTIMATE.start_main_~i~4 24), 23567#(<= ULTIMATE.start_main_~i~4 25), 23568#(<= ULTIMATE.start_main_~i~4 26), 23569#(<= ULTIMATE.start_main_~i~4 27), 23570#(<= ULTIMATE.start_main_~i~4 28), 23571#(<= ULTIMATE.start_main_~i~4 29), 23572#(<= ULTIMATE.start_main_~i~4 30), 23573#(<= ULTIMATE.start_main_~i~4 31), 23574#(<= ULTIMATE.start_main_~i~4 32), 23575#(<= ULTIMATE.start_main_~i~4 33), 23576#(<= ULTIMATE.start_main_~i~4 34), 23577#(<= ULTIMATE.start_main_~i~4 35), 23578#(<= ULTIMATE.start_main_~i~4 36), 23579#(<= ULTIMATE.start_main_~i~4 37), 23580#(<= ULTIMATE.start_main_~i~4 38), 23581#(<= ULTIMATE.start_main_~i~4 39), 23582#(<= ULTIMATE.start_main_~i~4 40), 23583#(<= ULTIMATE.start_main_~i~4 41), 23584#(<= ULTIMATE.start_main_~i~4 42), 23585#(<= ULTIMATE.start_main_~i~4 43), 23586#(<= ULTIMATE.start_main_~i~4 44), 23587#(<= ULTIMATE.start_main_~i~4 45), 23588#(<= ULTIMATE.start_main_~i~4 46), 23589#(<= ULTIMATE.start_main_~i~4 47), 23590#(<= ULTIMATE.start_main_~i~4 48), 23591#(<= ULTIMATE.start_main_~i~4 49), 23592#(<= ULTIMATE.start_main_~i~4 50), 23593#(<= ULTIMATE.start_main_~i~4 51), 23594#(<= ULTIMATE.start_main_~i~4 52), 23595#(<= ULTIMATE.start_main_~i~4 53), 23596#(<= ULTIMATE.start_main_~i~4 54), 23597#(<= ULTIMATE.start_main_~i~4 55), 23598#(<= ULTIMATE.start_main_~i~4 56), 23599#(<= ULTIMATE.start_main_~i~4 57), 23600#(<= ULTIMATE.start_main_~i~4 58), 23601#(<= ULTIMATE.start_main_~i~4 59), 23602#(<= ULTIMATE.start_main_~i~4 60), 23603#(<= ULTIMATE.start_main_~i~4 61), 23604#(<= ULTIMATE.start_main_~i~4 62), 23605#(<= ULTIMATE.start_main_~i~4 63), 23606#(<= ULTIMATE.start_main_~i~4 64), 23607#(<= ULTIMATE.start_main_~i~4 65), 23608#(<= ULTIMATE.start_main_~i~4 66), 23609#(<= ULTIMATE.start_main_~i~4 67), 23610#(<= ULTIMATE.start_main_~i~4 68), 23611#(<= ULTIMATE.start_main_~i~4 69), 23540#true, 23541#false, 23542#(<= ULTIMATE.start_main_~i~4 0), 23543#(<= ULTIMATE.start_main_~i~4 1), 23544#(<= ULTIMATE.start_main_~i~4 2), 23545#(<= ULTIMATE.start_main_~i~4 3), 23546#(<= ULTIMATE.start_main_~i~4 4), 23547#(<= ULTIMATE.start_main_~i~4 5), 23548#(<= ULTIMATE.start_main_~i~4 6), 23549#(<= ULTIMATE.start_main_~i~4 7), 23550#(<= ULTIMATE.start_main_~i~4 8), 23551#(<= ULTIMATE.start_main_~i~4 9)] [2018-07-23 13:43:23,012 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 13:43:23,013 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:43:23,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:43:23,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:43:23,014 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 72 states. [2018-07-23 13:43:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:23,092 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:43:23,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:43:23,092 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 142 [2018-07-23 13:43:23,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:23,093 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:43:23,094 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:43:23,094 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:43:23,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:43:23,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:43:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:43:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:43:23,099 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:43:23,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:23,099 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:43:23,099 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:43:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:43:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:43:23,100 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:23,101 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:43:23,101 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:23,101 INFO L82 PathProgramCache]: Analyzing trace with hash -112918749, now seen corresponding path program 70 times [2018-07-23 13:43:23,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:23,313 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 13:43:23,313 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:23,314 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:43:23,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:23,314 INFO L185 omatonBuilderFactory]: Interpolants [24196#true, 24197#false, 24198#(<= ULTIMATE.start_main_~i~4 0), 24199#(<= ULTIMATE.start_main_~i~4 1), 24200#(<= ULTIMATE.start_main_~i~4 2), 24201#(<= ULTIMATE.start_main_~i~4 3), 24202#(<= ULTIMATE.start_main_~i~4 4), 24203#(<= ULTIMATE.start_main_~i~4 5), 24204#(<= ULTIMATE.start_main_~i~4 6), 24205#(<= ULTIMATE.start_main_~i~4 7), 24206#(<= ULTIMATE.start_main_~i~4 8), 24207#(<= ULTIMATE.start_main_~i~4 9), 24208#(<= ULTIMATE.start_main_~i~4 10), 24209#(<= ULTIMATE.start_main_~i~4 11), 24210#(<= ULTIMATE.start_main_~i~4 12), 24211#(<= ULTIMATE.start_main_~i~4 13), 24212#(<= ULTIMATE.start_main_~i~4 14), 24213#(<= ULTIMATE.start_main_~i~4 15), 24214#(<= ULTIMATE.start_main_~i~4 16), 24215#(<= ULTIMATE.start_main_~i~4 17), 24216#(<= ULTIMATE.start_main_~i~4 18), 24217#(<= ULTIMATE.start_main_~i~4 19), 24218#(<= ULTIMATE.start_main_~i~4 20), 24219#(<= ULTIMATE.start_main_~i~4 21), 24220#(<= ULTIMATE.start_main_~i~4 22), 24221#(<= ULTIMATE.start_main_~i~4 23), 24222#(<= ULTIMATE.start_main_~i~4 24), 24223#(<= ULTIMATE.start_main_~i~4 25), 24224#(<= ULTIMATE.start_main_~i~4 26), 24225#(<= ULTIMATE.start_main_~i~4 27), 24226#(<= ULTIMATE.start_main_~i~4 28), 24227#(<= ULTIMATE.start_main_~i~4 29), 24228#(<= ULTIMATE.start_main_~i~4 30), 24229#(<= ULTIMATE.start_main_~i~4 31), 24230#(<= ULTIMATE.start_main_~i~4 32), 24231#(<= ULTIMATE.start_main_~i~4 33), 24232#(<= ULTIMATE.start_main_~i~4 34), 24233#(<= ULTIMATE.start_main_~i~4 35), 24234#(<= ULTIMATE.start_main_~i~4 36), 24235#(<= ULTIMATE.start_main_~i~4 37), 24236#(<= ULTIMATE.start_main_~i~4 38), 24237#(<= ULTIMATE.start_main_~i~4 39), 24238#(<= ULTIMATE.start_main_~i~4 40), 24239#(<= ULTIMATE.start_main_~i~4 41), 24240#(<= ULTIMATE.start_main_~i~4 42), 24241#(<= ULTIMATE.start_main_~i~4 43), 24242#(<= ULTIMATE.start_main_~i~4 44), 24243#(<= ULTIMATE.start_main_~i~4 45), 24244#(<= ULTIMATE.start_main_~i~4 46), 24245#(<= ULTIMATE.start_main_~i~4 47), 24246#(<= ULTIMATE.start_main_~i~4 48), 24247#(<= ULTIMATE.start_main_~i~4 49), 24248#(<= ULTIMATE.start_main_~i~4 50), 24249#(<= ULTIMATE.start_main_~i~4 51), 24250#(<= ULTIMATE.start_main_~i~4 52), 24251#(<= ULTIMATE.start_main_~i~4 53), 24252#(<= ULTIMATE.start_main_~i~4 54), 24253#(<= ULTIMATE.start_main_~i~4 55), 24254#(<= ULTIMATE.start_main_~i~4 56), 24255#(<= ULTIMATE.start_main_~i~4 57), 24256#(<= ULTIMATE.start_main_~i~4 58), 24257#(<= ULTIMATE.start_main_~i~4 59), 24258#(<= ULTIMATE.start_main_~i~4 60), 24259#(<= ULTIMATE.start_main_~i~4 61), 24260#(<= ULTIMATE.start_main_~i~4 62), 24261#(<= ULTIMATE.start_main_~i~4 63), 24262#(<= ULTIMATE.start_main_~i~4 64), 24263#(<= ULTIMATE.start_main_~i~4 65), 24264#(<= ULTIMATE.start_main_~i~4 66), 24265#(<= ULTIMATE.start_main_~i~4 67), 24266#(<= ULTIMATE.start_main_~i~4 68), 24267#(<= ULTIMATE.start_main_~i~4 69), 24268#(<= ULTIMATE.start_main_~i~4 70)] [2018-07-23 13:43:23,315 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 13:43:23,315 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:43:23,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:43:23,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:43:23,317 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 73 states. [2018-07-23 13:43:23,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:23,409 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:43:23,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:43:23,409 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 144 [2018-07-23 13:43:23,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:23,410 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:43:23,410 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:43:23,411 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:43:23,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:43:23,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:43:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:43:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:43:23,416 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:43:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:23,417 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:43:23,417 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:43:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:43:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:43:23,419 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:23,419 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:43:23,419 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:23,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1140683299, now seen corresponding path program 71 times [2018-07-23 13:43:23,420 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:23,654 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 13:43:23,654 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:23,654 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:43:23,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:23,655 INFO L185 omatonBuilderFactory]: Interpolants [24861#true, 24862#false, 24863#(<= ULTIMATE.start_main_~i~4 0), 24864#(<= ULTIMATE.start_main_~i~4 1), 24865#(<= ULTIMATE.start_main_~i~4 2), 24866#(<= ULTIMATE.start_main_~i~4 3), 24867#(<= ULTIMATE.start_main_~i~4 4), 24868#(<= ULTIMATE.start_main_~i~4 5), 24869#(<= ULTIMATE.start_main_~i~4 6), 24870#(<= ULTIMATE.start_main_~i~4 7), 24871#(<= ULTIMATE.start_main_~i~4 8), 24872#(<= ULTIMATE.start_main_~i~4 9), 24873#(<= ULTIMATE.start_main_~i~4 10), 24874#(<= ULTIMATE.start_main_~i~4 11), 24875#(<= ULTIMATE.start_main_~i~4 12), 24876#(<= ULTIMATE.start_main_~i~4 13), 24877#(<= ULTIMATE.start_main_~i~4 14), 24878#(<= ULTIMATE.start_main_~i~4 15), 24879#(<= ULTIMATE.start_main_~i~4 16), 24880#(<= ULTIMATE.start_main_~i~4 17), 24881#(<= ULTIMATE.start_main_~i~4 18), 24882#(<= ULTIMATE.start_main_~i~4 19), 24883#(<= ULTIMATE.start_main_~i~4 20), 24884#(<= ULTIMATE.start_main_~i~4 21), 24885#(<= ULTIMATE.start_main_~i~4 22), 24886#(<= ULTIMATE.start_main_~i~4 23), 24887#(<= ULTIMATE.start_main_~i~4 24), 24888#(<= ULTIMATE.start_main_~i~4 25), 24889#(<= ULTIMATE.start_main_~i~4 26), 24890#(<= ULTIMATE.start_main_~i~4 27), 24891#(<= ULTIMATE.start_main_~i~4 28), 24892#(<= ULTIMATE.start_main_~i~4 29), 24893#(<= ULTIMATE.start_main_~i~4 30), 24894#(<= ULTIMATE.start_main_~i~4 31), 24895#(<= ULTIMATE.start_main_~i~4 32), 24896#(<= ULTIMATE.start_main_~i~4 33), 24897#(<= ULTIMATE.start_main_~i~4 34), 24898#(<= ULTIMATE.start_main_~i~4 35), 24899#(<= ULTIMATE.start_main_~i~4 36), 24900#(<= ULTIMATE.start_main_~i~4 37), 24901#(<= ULTIMATE.start_main_~i~4 38), 24902#(<= ULTIMATE.start_main_~i~4 39), 24903#(<= ULTIMATE.start_main_~i~4 40), 24904#(<= ULTIMATE.start_main_~i~4 41), 24905#(<= ULTIMATE.start_main_~i~4 42), 24906#(<= ULTIMATE.start_main_~i~4 43), 24907#(<= ULTIMATE.start_main_~i~4 44), 24908#(<= ULTIMATE.start_main_~i~4 45), 24909#(<= ULTIMATE.start_main_~i~4 46), 24910#(<= ULTIMATE.start_main_~i~4 47), 24911#(<= ULTIMATE.start_main_~i~4 48), 24912#(<= ULTIMATE.start_main_~i~4 49), 24913#(<= ULTIMATE.start_main_~i~4 50), 24914#(<= ULTIMATE.start_main_~i~4 51), 24915#(<= ULTIMATE.start_main_~i~4 52), 24916#(<= ULTIMATE.start_main_~i~4 53), 24917#(<= ULTIMATE.start_main_~i~4 54), 24918#(<= ULTIMATE.start_main_~i~4 55), 24919#(<= ULTIMATE.start_main_~i~4 56), 24920#(<= ULTIMATE.start_main_~i~4 57), 24921#(<= ULTIMATE.start_main_~i~4 58), 24922#(<= ULTIMATE.start_main_~i~4 59), 24923#(<= ULTIMATE.start_main_~i~4 60), 24924#(<= ULTIMATE.start_main_~i~4 61), 24925#(<= ULTIMATE.start_main_~i~4 62), 24926#(<= ULTIMATE.start_main_~i~4 63), 24927#(<= ULTIMATE.start_main_~i~4 64), 24928#(<= ULTIMATE.start_main_~i~4 65), 24929#(<= ULTIMATE.start_main_~i~4 66), 24930#(<= ULTIMATE.start_main_~i~4 67), 24931#(<= ULTIMATE.start_main_~i~4 68), 24932#(<= ULTIMATE.start_main_~i~4 69), 24933#(<= ULTIMATE.start_main_~i~4 70), 24934#(<= ULTIMATE.start_main_~i~4 71)] [2018-07-23 13:43:23,656 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 13:43:23,657 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:43:23,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:43:23,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:43:23,658 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 74 states. [2018-07-23 13:43:23,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:23,752 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:43:23,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:43:23,753 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 146 [2018-07-23 13:43:23,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:23,754 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:43:23,754 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:43:23,755 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 13:43:23,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:43:23,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:43:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:43:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:43:23,759 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:43:23,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:23,760 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:43:23,760 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:43:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:43:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:43:23,761 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:23,761 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:43:23,762 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:23,762 INFO L82 PathProgramCache]: Analyzing trace with hash -979937769, now seen corresponding path program 72 times [2018-07-23 13:43:23,762 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:23,993 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 13:43:23,993 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:23,993 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:43:23,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:23,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:23,994 INFO L185 omatonBuilderFactory]: Interpolants [25600#(<= ULTIMATE.start_main_~i~4 63), 25601#(<= ULTIMATE.start_main_~i~4 64), 25602#(<= ULTIMATE.start_main_~i~4 65), 25603#(<= ULTIMATE.start_main_~i~4 66), 25604#(<= ULTIMATE.start_main_~i~4 67), 25605#(<= ULTIMATE.start_main_~i~4 68), 25606#(<= ULTIMATE.start_main_~i~4 69), 25607#(<= ULTIMATE.start_main_~i~4 70), 25608#(<= ULTIMATE.start_main_~i~4 71), 25609#(<= ULTIMATE.start_main_~i~4 72), 25535#true, 25536#false, 25537#(<= ULTIMATE.start_main_~i~4 0), 25538#(<= ULTIMATE.start_main_~i~4 1), 25539#(<= ULTIMATE.start_main_~i~4 2), 25540#(<= ULTIMATE.start_main_~i~4 3), 25541#(<= ULTIMATE.start_main_~i~4 4), 25542#(<= ULTIMATE.start_main_~i~4 5), 25543#(<= ULTIMATE.start_main_~i~4 6), 25544#(<= ULTIMATE.start_main_~i~4 7), 25545#(<= ULTIMATE.start_main_~i~4 8), 25546#(<= ULTIMATE.start_main_~i~4 9), 25547#(<= ULTIMATE.start_main_~i~4 10), 25548#(<= ULTIMATE.start_main_~i~4 11), 25549#(<= ULTIMATE.start_main_~i~4 12), 25550#(<= ULTIMATE.start_main_~i~4 13), 25551#(<= ULTIMATE.start_main_~i~4 14), 25552#(<= ULTIMATE.start_main_~i~4 15), 25553#(<= ULTIMATE.start_main_~i~4 16), 25554#(<= ULTIMATE.start_main_~i~4 17), 25555#(<= ULTIMATE.start_main_~i~4 18), 25556#(<= ULTIMATE.start_main_~i~4 19), 25557#(<= ULTIMATE.start_main_~i~4 20), 25558#(<= ULTIMATE.start_main_~i~4 21), 25559#(<= ULTIMATE.start_main_~i~4 22), 25560#(<= ULTIMATE.start_main_~i~4 23), 25561#(<= ULTIMATE.start_main_~i~4 24), 25562#(<= ULTIMATE.start_main_~i~4 25), 25563#(<= ULTIMATE.start_main_~i~4 26), 25564#(<= ULTIMATE.start_main_~i~4 27), 25565#(<= ULTIMATE.start_main_~i~4 28), 25566#(<= ULTIMATE.start_main_~i~4 29), 25567#(<= ULTIMATE.start_main_~i~4 30), 25568#(<= ULTIMATE.start_main_~i~4 31), 25569#(<= ULTIMATE.start_main_~i~4 32), 25570#(<= ULTIMATE.start_main_~i~4 33), 25571#(<= ULTIMATE.start_main_~i~4 34), 25572#(<= ULTIMATE.start_main_~i~4 35), 25573#(<= ULTIMATE.start_main_~i~4 36), 25574#(<= ULTIMATE.start_main_~i~4 37), 25575#(<= ULTIMATE.start_main_~i~4 38), 25576#(<= ULTIMATE.start_main_~i~4 39), 25577#(<= ULTIMATE.start_main_~i~4 40), 25578#(<= ULTIMATE.start_main_~i~4 41), 25579#(<= ULTIMATE.start_main_~i~4 42), 25580#(<= ULTIMATE.start_main_~i~4 43), 25581#(<= ULTIMATE.start_main_~i~4 44), 25582#(<= ULTIMATE.start_main_~i~4 45), 25583#(<= ULTIMATE.start_main_~i~4 46), 25584#(<= ULTIMATE.start_main_~i~4 47), 25585#(<= ULTIMATE.start_main_~i~4 48), 25586#(<= ULTIMATE.start_main_~i~4 49), 25587#(<= ULTIMATE.start_main_~i~4 50), 25588#(<= ULTIMATE.start_main_~i~4 51), 25589#(<= ULTIMATE.start_main_~i~4 52), 25590#(<= ULTIMATE.start_main_~i~4 53), 25591#(<= ULTIMATE.start_main_~i~4 54), 25592#(<= ULTIMATE.start_main_~i~4 55), 25593#(<= ULTIMATE.start_main_~i~4 56), 25594#(<= ULTIMATE.start_main_~i~4 57), 25595#(<= ULTIMATE.start_main_~i~4 58), 25596#(<= ULTIMATE.start_main_~i~4 59), 25597#(<= ULTIMATE.start_main_~i~4 60), 25598#(<= ULTIMATE.start_main_~i~4 61), 25599#(<= ULTIMATE.start_main_~i~4 62)] [2018-07-23 13:43:23,995 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 13:43:23,995 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:43:23,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:43:23,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:43:23,997 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 75 states. [2018-07-23 13:43:24,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:24,063 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:43:24,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:43:24,063 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 148 [2018-07-23 13:43:24,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:24,064 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:43:24,064 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:43:24,065 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:43:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:43:24,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:43:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:43:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:43:24,070 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:43:24,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:24,070 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:43:24,070 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:43:24,071 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:43:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:43:24,072 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:24,072 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:43:24,072 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:24,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1122306095, now seen corresponding path program 73 times [2018-07-23 13:43:24,072 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:24,315 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 13:43:24,315 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:24,315 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:43:24,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:24,316 INFO L185 omatonBuilderFactory]: Interpolants [26240#(<= ULTIMATE.start_main_~i~4 20), 26241#(<= ULTIMATE.start_main_~i~4 21), 26242#(<= ULTIMATE.start_main_~i~4 22), 26243#(<= ULTIMATE.start_main_~i~4 23), 26244#(<= ULTIMATE.start_main_~i~4 24), 26245#(<= ULTIMATE.start_main_~i~4 25), 26246#(<= ULTIMATE.start_main_~i~4 26), 26247#(<= ULTIMATE.start_main_~i~4 27), 26248#(<= ULTIMATE.start_main_~i~4 28), 26249#(<= ULTIMATE.start_main_~i~4 29), 26250#(<= ULTIMATE.start_main_~i~4 30), 26251#(<= ULTIMATE.start_main_~i~4 31), 26252#(<= ULTIMATE.start_main_~i~4 32), 26253#(<= ULTIMATE.start_main_~i~4 33), 26254#(<= ULTIMATE.start_main_~i~4 34), 26255#(<= ULTIMATE.start_main_~i~4 35), 26256#(<= ULTIMATE.start_main_~i~4 36), 26257#(<= ULTIMATE.start_main_~i~4 37), 26258#(<= ULTIMATE.start_main_~i~4 38), 26259#(<= ULTIMATE.start_main_~i~4 39), 26260#(<= ULTIMATE.start_main_~i~4 40), 26261#(<= ULTIMATE.start_main_~i~4 41), 26262#(<= ULTIMATE.start_main_~i~4 42), 26263#(<= ULTIMATE.start_main_~i~4 43), 26264#(<= ULTIMATE.start_main_~i~4 44), 26265#(<= ULTIMATE.start_main_~i~4 45), 26266#(<= ULTIMATE.start_main_~i~4 46), 26267#(<= ULTIMATE.start_main_~i~4 47), 26268#(<= ULTIMATE.start_main_~i~4 48), 26269#(<= ULTIMATE.start_main_~i~4 49), 26270#(<= ULTIMATE.start_main_~i~4 50), 26271#(<= ULTIMATE.start_main_~i~4 51), 26272#(<= ULTIMATE.start_main_~i~4 52), 26273#(<= ULTIMATE.start_main_~i~4 53), 26274#(<= ULTIMATE.start_main_~i~4 54), 26275#(<= ULTIMATE.start_main_~i~4 55), 26276#(<= ULTIMATE.start_main_~i~4 56), 26277#(<= ULTIMATE.start_main_~i~4 57), 26278#(<= ULTIMATE.start_main_~i~4 58), 26279#(<= ULTIMATE.start_main_~i~4 59), 26280#(<= ULTIMATE.start_main_~i~4 60), 26281#(<= ULTIMATE.start_main_~i~4 61), 26282#(<= ULTIMATE.start_main_~i~4 62), 26283#(<= ULTIMATE.start_main_~i~4 63), 26284#(<= ULTIMATE.start_main_~i~4 64), 26285#(<= ULTIMATE.start_main_~i~4 65), 26286#(<= ULTIMATE.start_main_~i~4 66), 26287#(<= ULTIMATE.start_main_~i~4 67), 26288#(<= ULTIMATE.start_main_~i~4 68), 26289#(<= ULTIMATE.start_main_~i~4 69), 26290#(<= ULTIMATE.start_main_~i~4 70), 26291#(<= ULTIMATE.start_main_~i~4 71), 26292#(<= ULTIMATE.start_main_~i~4 72), 26293#(<= ULTIMATE.start_main_~i~4 73), 26218#true, 26219#false, 26220#(<= ULTIMATE.start_main_~i~4 0), 26221#(<= ULTIMATE.start_main_~i~4 1), 26222#(<= ULTIMATE.start_main_~i~4 2), 26223#(<= ULTIMATE.start_main_~i~4 3), 26224#(<= ULTIMATE.start_main_~i~4 4), 26225#(<= ULTIMATE.start_main_~i~4 5), 26226#(<= ULTIMATE.start_main_~i~4 6), 26227#(<= ULTIMATE.start_main_~i~4 7), 26228#(<= ULTIMATE.start_main_~i~4 8), 26229#(<= ULTIMATE.start_main_~i~4 9), 26230#(<= ULTIMATE.start_main_~i~4 10), 26231#(<= ULTIMATE.start_main_~i~4 11), 26232#(<= ULTIMATE.start_main_~i~4 12), 26233#(<= ULTIMATE.start_main_~i~4 13), 26234#(<= ULTIMATE.start_main_~i~4 14), 26235#(<= ULTIMATE.start_main_~i~4 15), 26236#(<= ULTIMATE.start_main_~i~4 16), 26237#(<= ULTIMATE.start_main_~i~4 17), 26238#(<= ULTIMATE.start_main_~i~4 18), 26239#(<= ULTIMATE.start_main_~i~4 19)] [2018-07-23 13:43:24,317 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 13:43:24,317 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:43:24,318 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:43:24,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:43:24,319 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 76 states. [2018-07-23 13:43:24,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:24,393 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:43:24,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:43:24,393 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 150 [2018-07-23 13:43:24,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:24,394 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:43:24,394 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:43:24,395 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 13:43:24,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:43:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:43:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:43:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:43:24,400 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:43:24,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:24,400 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:43:24,400 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:43:24,401 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:43:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:43:24,401 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:24,402 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:43:24,402 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:24,402 INFO L82 PathProgramCache]: Analyzing trace with hash -499313909, now seen corresponding path program 74 times [2018-07-23 13:43:24,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:24,668 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 13:43:24,668 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:24,669 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:43:24,669 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:24,670 INFO L185 omatonBuilderFactory]: Interpolants [26910#true, 26911#false, 26912#(<= ULTIMATE.start_main_~i~4 0), 26913#(<= ULTIMATE.start_main_~i~4 1), 26914#(<= ULTIMATE.start_main_~i~4 2), 26915#(<= ULTIMATE.start_main_~i~4 3), 26916#(<= ULTIMATE.start_main_~i~4 4), 26917#(<= ULTIMATE.start_main_~i~4 5), 26918#(<= ULTIMATE.start_main_~i~4 6), 26919#(<= ULTIMATE.start_main_~i~4 7), 26920#(<= ULTIMATE.start_main_~i~4 8), 26921#(<= ULTIMATE.start_main_~i~4 9), 26922#(<= ULTIMATE.start_main_~i~4 10), 26923#(<= ULTIMATE.start_main_~i~4 11), 26924#(<= ULTIMATE.start_main_~i~4 12), 26925#(<= ULTIMATE.start_main_~i~4 13), 26926#(<= ULTIMATE.start_main_~i~4 14), 26927#(<= ULTIMATE.start_main_~i~4 15), 26928#(<= ULTIMATE.start_main_~i~4 16), 26929#(<= ULTIMATE.start_main_~i~4 17), 26930#(<= ULTIMATE.start_main_~i~4 18), 26931#(<= ULTIMATE.start_main_~i~4 19), 26932#(<= ULTIMATE.start_main_~i~4 20), 26933#(<= ULTIMATE.start_main_~i~4 21), 26934#(<= ULTIMATE.start_main_~i~4 22), 26935#(<= ULTIMATE.start_main_~i~4 23), 26936#(<= ULTIMATE.start_main_~i~4 24), 26937#(<= ULTIMATE.start_main_~i~4 25), 26938#(<= ULTIMATE.start_main_~i~4 26), 26939#(<= ULTIMATE.start_main_~i~4 27), 26940#(<= ULTIMATE.start_main_~i~4 28), 26941#(<= ULTIMATE.start_main_~i~4 29), 26942#(<= ULTIMATE.start_main_~i~4 30), 26943#(<= ULTIMATE.start_main_~i~4 31), 26944#(<= ULTIMATE.start_main_~i~4 32), 26945#(<= ULTIMATE.start_main_~i~4 33), 26946#(<= ULTIMATE.start_main_~i~4 34), 26947#(<= ULTIMATE.start_main_~i~4 35), 26948#(<= ULTIMATE.start_main_~i~4 36), 26949#(<= ULTIMATE.start_main_~i~4 37), 26950#(<= ULTIMATE.start_main_~i~4 38), 26951#(<= ULTIMATE.start_main_~i~4 39), 26952#(<= ULTIMATE.start_main_~i~4 40), 26953#(<= ULTIMATE.start_main_~i~4 41), 26954#(<= ULTIMATE.start_main_~i~4 42), 26955#(<= ULTIMATE.start_main_~i~4 43), 26956#(<= ULTIMATE.start_main_~i~4 44), 26957#(<= ULTIMATE.start_main_~i~4 45), 26958#(<= ULTIMATE.start_main_~i~4 46), 26959#(<= ULTIMATE.start_main_~i~4 47), 26960#(<= ULTIMATE.start_main_~i~4 48), 26961#(<= ULTIMATE.start_main_~i~4 49), 26962#(<= ULTIMATE.start_main_~i~4 50), 26963#(<= ULTIMATE.start_main_~i~4 51), 26964#(<= ULTIMATE.start_main_~i~4 52), 26965#(<= ULTIMATE.start_main_~i~4 53), 26966#(<= ULTIMATE.start_main_~i~4 54), 26967#(<= ULTIMATE.start_main_~i~4 55), 26968#(<= ULTIMATE.start_main_~i~4 56), 26969#(<= ULTIMATE.start_main_~i~4 57), 26970#(<= ULTIMATE.start_main_~i~4 58), 26971#(<= ULTIMATE.start_main_~i~4 59), 26972#(<= ULTIMATE.start_main_~i~4 60), 26973#(<= ULTIMATE.start_main_~i~4 61), 26974#(<= ULTIMATE.start_main_~i~4 62), 26975#(<= ULTIMATE.start_main_~i~4 63), 26976#(<= ULTIMATE.start_main_~i~4 64), 26977#(<= ULTIMATE.start_main_~i~4 65), 26978#(<= ULTIMATE.start_main_~i~4 66), 26979#(<= ULTIMATE.start_main_~i~4 67), 26980#(<= ULTIMATE.start_main_~i~4 68), 26981#(<= ULTIMATE.start_main_~i~4 69), 26982#(<= ULTIMATE.start_main_~i~4 70), 26983#(<= ULTIMATE.start_main_~i~4 71), 26984#(<= ULTIMATE.start_main_~i~4 72), 26985#(<= ULTIMATE.start_main_~i~4 73), 26986#(<= ULTIMATE.start_main_~i~4 74)] [2018-07-23 13:43:24,670 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 13:43:24,671 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:43:24,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:43:24,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:43:24,672 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 77 states. [2018-07-23 13:43:24,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:24,782 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:43:24,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:43:24,782 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 152 [2018-07-23 13:43:24,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:24,783 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:43:24,784 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:43:24,785 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 13:43:24,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:43:24,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:43:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:43:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:43:24,790 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:43:24,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:24,791 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:43:24,791 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:43:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:43:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:43:24,792 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:24,793 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:43:24,793 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:24,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1195722693, now seen corresponding path program 75 times [2018-07-23 13:43:24,793 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:25,121 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 13:43:25,122 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:25,122 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:43:25,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:25,123 INFO L185 omatonBuilderFactory]: Interpolants [27648#(<= ULTIMATE.start_main_~i~4 35), 27649#(<= ULTIMATE.start_main_~i~4 36), 27650#(<= ULTIMATE.start_main_~i~4 37), 27651#(<= ULTIMATE.start_main_~i~4 38), 27652#(<= ULTIMATE.start_main_~i~4 39), 27653#(<= ULTIMATE.start_main_~i~4 40), 27654#(<= ULTIMATE.start_main_~i~4 41), 27655#(<= ULTIMATE.start_main_~i~4 42), 27656#(<= ULTIMATE.start_main_~i~4 43), 27657#(<= ULTIMATE.start_main_~i~4 44), 27658#(<= ULTIMATE.start_main_~i~4 45), 27659#(<= ULTIMATE.start_main_~i~4 46), 27660#(<= ULTIMATE.start_main_~i~4 47), 27661#(<= ULTIMATE.start_main_~i~4 48), 27662#(<= ULTIMATE.start_main_~i~4 49), 27663#(<= ULTIMATE.start_main_~i~4 50), 27664#(<= ULTIMATE.start_main_~i~4 51), 27665#(<= ULTIMATE.start_main_~i~4 52), 27666#(<= ULTIMATE.start_main_~i~4 53), 27667#(<= ULTIMATE.start_main_~i~4 54), 27668#(<= ULTIMATE.start_main_~i~4 55), 27669#(<= ULTIMATE.start_main_~i~4 56), 27670#(<= ULTIMATE.start_main_~i~4 57), 27671#(<= ULTIMATE.start_main_~i~4 58), 27672#(<= ULTIMATE.start_main_~i~4 59), 27673#(<= ULTIMATE.start_main_~i~4 60), 27674#(<= ULTIMATE.start_main_~i~4 61), 27675#(<= ULTIMATE.start_main_~i~4 62), 27676#(<= ULTIMATE.start_main_~i~4 63), 27677#(<= ULTIMATE.start_main_~i~4 64), 27678#(<= ULTIMATE.start_main_~i~4 65), 27679#(<= ULTIMATE.start_main_~i~4 66), 27680#(<= ULTIMATE.start_main_~i~4 67), 27681#(<= ULTIMATE.start_main_~i~4 68), 27682#(<= ULTIMATE.start_main_~i~4 69), 27683#(<= ULTIMATE.start_main_~i~4 70), 27684#(<= ULTIMATE.start_main_~i~4 71), 27685#(<= ULTIMATE.start_main_~i~4 72), 27686#(<= ULTIMATE.start_main_~i~4 73), 27687#(<= ULTIMATE.start_main_~i~4 74), 27688#(<= ULTIMATE.start_main_~i~4 75), 27611#true, 27612#false, 27613#(<= ULTIMATE.start_main_~i~4 0), 27614#(<= ULTIMATE.start_main_~i~4 1), 27615#(<= ULTIMATE.start_main_~i~4 2), 27616#(<= ULTIMATE.start_main_~i~4 3), 27617#(<= ULTIMATE.start_main_~i~4 4), 27618#(<= ULTIMATE.start_main_~i~4 5), 27619#(<= ULTIMATE.start_main_~i~4 6), 27620#(<= ULTIMATE.start_main_~i~4 7), 27621#(<= ULTIMATE.start_main_~i~4 8), 27622#(<= ULTIMATE.start_main_~i~4 9), 27623#(<= ULTIMATE.start_main_~i~4 10), 27624#(<= ULTIMATE.start_main_~i~4 11), 27625#(<= ULTIMATE.start_main_~i~4 12), 27626#(<= ULTIMATE.start_main_~i~4 13), 27627#(<= ULTIMATE.start_main_~i~4 14), 27628#(<= ULTIMATE.start_main_~i~4 15), 27629#(<= ULTIMATE.start_main_~i~4 16), 27630#(<= ULTIMATE.start_main_~i~4 17), 27631#(<= ULTIMATE.start_main_~i~4 18), 27632#(<= ULTIMATE.start_main_~i~4 19), 27633#(<= ULTIMATE.start_main_~i~4 20), 27634#(<= ULTIMATE.start_main_~i~4 21), 27635#(<= ULTIMATE.start_main_~i~4 22), 27636#(<= ULTIMATE.start_main_~i~4 23), 27637#(<= ULTIMATE.start_main_~i~4 24), 27638#(<= ULTIMATE.start_main_~i~4 25), 27639#(<= ULTIMATE.start_main_~i~4 26), 27640#(<= ULTIMATE.start_main_~i~4 27), 27641#(<= ULTIMATE.start_main_~i~4 28), 27642#(<= ULTIMATE.start_main_~i~4 29), 27643#(<= ULTIMATE.start_main_~i~4 30), 27644#(<= ULTIMATE.start_main_~i~4 31), 27645#(<= ULTIMATE.start_main_~i~4 32), 27646#(<= ULTIMATE.start_main_~i~4 33), 27647#(<= ULTIMATE.start_main_~i~4 34)] [2018-07-23 13:43:25,124 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 13:43:25,124 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:43:25,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:43:25,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:43:25,126 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 78 states. [2018-07-23 13:43:25,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:25,203 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:43:25,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:43:25,203 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 154 [2018-07-23 13:43:25,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:25,204 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:43:25,205 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:43:25,205 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:43:25,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:43:25,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:43:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:43:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:43:25,210 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:43:25,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:25,210 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:43:25,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:43:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:43:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:43:25,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:25,211 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:43:25,212 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:25,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1961675265, now seen corresponding path program 76 times [2018-07-23 13:43:25,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:25,451 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 13:43:25,451 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:25,451 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:43:25,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:25,452 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 13:43:25,452 INFO L185 omatonBuilderFactory]: Interpolants [28321#true, 28322#false, 28323#(<= ULTIMATE.start_main_~i~4 0), 28324#(<= ULTIMATE.start_main_~i~4 1), 28325#(<= ULTIMATE.start_main_~i~4 2), 28326#(<= ULTIMATE.start_main_~i~4 3), 28327#(<= ULTIMATE.start_main_~i~4 4), 28328#(<= ULTIMATE.start_main_~i~4 5), 28329#(<= ULTIMATE.start_main_~i~4 6), 28330#(<= ULTIMATE.start_main_~i~4 7), 28331#(<= ULTIMATE.start_main_~i~4 8), 28332#(<= ULTIMATE.start_main_~i~4 9), 28333#(<= ULTIMATE.start_main_~i~4 10), 28334#(<= ULTIMATE.start_main_~i~4 11), 28335#(<= ULTIMATE.start_main_~i~4 12), 28336#(<= ULTIMATE.start_main_~i~4 13), 28337#(<= ULTIMATE.start_main_~i~4 14), 28338#(<= ULTIMATE.start_main_~i~4 15), 28339#(<= ULTIMATE.start_main_~i~4 16), 28340#(<= ULTIMATE.start_main_~i~4 17), 28341#(<= ULTIMATE.start_main_~i~4 18), 28342#(<= ULTIMATE.start_main_~i~4 19), 28343#(<= ULTIMATE.start_main_~i~4 20), 28344#(<= ULTIMATE.start_main_~i~4 21), 28345#(<= ULTIMATE.start_main_~i~4 22), 28346#(<= ULTIMATE.start_main_~i~4 23), 28347#(<= ULTIMATE.start_main_~i~4 24), 28348#(<= ULTIMATE.start_main_~i~4 25), 28349#(<= ULTIMATE.start_main_~i~4 26), 28350#(<= ULTIMATE.start_main_~i~4 27), 28351#(<= ULTIMATE.start_main_~i~4 28), 28352#(<= ULTIMATE.start_main_~i~4 29), 28353#(<= ULTIMATE.start_main_~i~4 30), 28354#(<= ULTIMATE.start_main_~i~4 31), 28355#(<= ULTIMATE.start_main_~i~4 32), 28356#(<= ULTIMATE.start_main_~i~4 33), 28357#(<= ULTIMATE.start_main_~i~4 34), 28358#(<= ULTIMATE.start_main_~i~4 35), 28359#(<= ULTIMATE.start_main_~i~4 36), 28360#(<= ULTIMATE.start_main_~i~4 37), 28361#(<= ULTIMATE.start_main_~i~4 38), 28362#(<= ULTIMATE.start_main_~i~4 39), 28363#(<= ULTIMATE.start_main_~i~4 40), 28364#(<= ULTIMATE.start_main_~i~4 41), 28365#(<= ULTIMATE.start_main_~i~4 42), 28366#(<= ULTIMATE.start_main_~i~4 43), 28367#(<= ULTIMATE.start_main_~i~4 44), 28368#(<= ULTIMATE.start_main_~i~4 45), 28369#(<= ULTIMATE.start_main_~i~4 46), 28370#(<= ULTIMATE.start_main_~i~4 47), 28371#(<= ULTIMATE.start_main_~i~4 48), 28372#(<= ULTIMATE.start_main_~i~4 49), 28373#(<= ULTIMATE.start_main_~i~4 50), 28374#(<= ULTIMATE.start_main_~i~4 51), 28375#(<= ULTIMATE.start_main_~i~4 52), 28376#(<= ULTIMATE.start_main_~i~4 53), 28377#(<= ULTIMATE.start_main_~i~4 54), 28378#(<= ULTIMATE.start_main_~i~4 55), 28379#(<= ULTIMATE.start_main_~i~4 56), 28380#(<= ULTIMATE.start_main_~i~4 57), 28381#(<= ULTIMATE.start_main_~i~4 58), 28382#(<= ULTIMATE.start_main_~i~4 59), 28383#(<= ULTIMATE.start_main_~i~4 60), 28384#(<= ULTIMATE.start_main_~i~4 61), 28385#(<= ULTIMATE.start_main_~i~4 62), 28386#(<= ULTIMATE.start_main_~i~4 63), 28387#(<= ULTIMATE.start_main_~i~4 64), 28388#(<= ULTIMATE.start_main_~i~4 65), 28389#(<= ULTIMATE.start_main_~i~4 66), 28390#(<= ULTIMATE.start_main_~i~4 67), 28391#(<= ULTIMATE.start_main_~i~4 68), 28392#(<= ULTIMATE.start_main_~i~4 69), 28393#(<= ULTIMATE.start_main_~i~4 70), 28394#(<= ULTIMATE.start_main_~i~4 71), 28395#(<= ULTIMATE.start_main_~i~4 72), 28396#(<= ULTIMATE.start_main_~i~4 73), 28397#(<= ULTIMATE.start_main_~i~4 74), 28398#(<= ULTIMATE.start_main_~i~4 75), 28399#(<= ULTIMATE.start_main_~i~4 76)] [2018-07-23 13:43:25,453 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 13:43:25,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:43:25,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:43:25,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:43:25,455 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 79 states. [2018-07-23 13:43:25,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:25,561 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:43:25,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:43:25,561 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 156 [2018-07-23 13:43:25,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:25,563 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:43:25,563 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:43:25,563 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 13:43:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:43:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:43:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:43:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:43:25,569 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:43:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:25,569 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:43:25,569 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:43:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:43:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:43:25,570 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:25,570 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:43:25,570 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:25,570 INFO L82 PathProgramCache]: Analyzing trace with hash 320765369, now seen corresponding path program 77 times [2018-07-23 13:43:25,571 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:25,798 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 13:43:25,798 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:25,798 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:43:25,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:25,799 INFO L185 omatonBuilderFactory]: Interpolants [29056#(<= ULTIMATE.start_main_~i~4 14), 29057#(<= ULTIMATE.start_main_~i~4 15), 29058#(<= ULTIMATE.start_main_~i~4 16), 29059#(<= ULTIMATE.start_main_~i~4 17), 29060#(<= ULTIMATE.start_main_~i~4 18), 29061#(<= ULTIMATE.start_main_~i~4 19), 29062#(<= ULTIMATE.start_main_~i~4 20), 29063#(<= ULTIMATE.start_main_~i~4 21), 29064#(<= ULTIMATE.start_main_~i~4 22), 29065#(<= ULTIMATE.start_main_~i~4 23), 29066#(<= ULTIMATE.start_main_~i~4 24), 29067#(<= ULTIMATE.start_main_~i~4 25), 29068#(<= ULTIMATE.start_main_~i~4 26), 29069#(<= ULTIMATE.start_main_~i~4 27), 29070#(<= ULTIMATE.start_main_~i~4 28), 29071#(<= ULTIMATE.start_main_~i~4 29), 29072#(<= ULTIMATE.start_main_~i~4 30), 29073#(<= ULTIMATE.start_main_~i~4 31), 29074#(<= ULTIMATE.start_main_~i~4 32), 29075#(<= ULTIMATE.start_main_~i~4 33), 29076#(<= ULTIMATE.start_main_~i~4 34), 29077#(<= ULTIMATE.start_main_~i~4 35), 29078#(<= ULTIMATE.start_main_~i~4 36), 29079#(<= ULTIMATE.start_main_~i~4 37), 29080#(<= ULTIMATE.start_main_~i~4 38), 29081#(<= ULTIMATE.start_main_~i~4 39), 29082#(<= ULTIMATE.start_main_~i~4 40), 29083#(<= ULTIMATE.start_main_~i~4 41), 29084#(<= ULTIMATE.start_main_~i~4 42), 29085#(<= ULTIMATE.start_main_~i~4 43), 29086#(<= ULTIMATE.start_main_~i~4 44), 29087#(<= ULTIMATE.start_main_~i~4 45), 29088#(<= ULTIMATE.start_main_~i~4 46), 29089#(<= ULTIMATE.start_main_~i~4 47), 29090#(<= ULTIMATE.start_main_~i~4 48), 29091#(<= ULTIMATE.start_main_~i~4 49), 29092#(<= ULTIMATE.start_main_~i~4 50), 29093#(<= ULTIMATE.start_main_~i~4 51), 29094#(<= ULTIMATE.start_main_~i~4 52), 29095#(<= ULTIMATE.start_main_~i~4 53), 29096#(<= ULTIMATE.start_main_~i~4 54), 29097#(<= ULTIMATE.start_main_~i~4 55), 29098#(<= ULTIMATE.start_main_~i~4 56), 29099#(<= ULTIMATE.start_main_~i~4 57), 29100#(<= ULTIMATE.start_main_~i~4 58), 29101#(<= ULTIMATE.start_main_~i~4 59), 29102#(<= ULTIMATE.start_main_~i~4 60), 29103#(<= ULTIMATE.start_main_~i~4 61), 29104#(<= ULTIMATE.start_main_~i~4 62), 29105#(<= ULTIMATE.start_main_~i~4 63), 29106#(<= ULTIMATE.start_main_~i~4 64), 29107#(<= ULTIMATE.start_main_~i~4 65), 29108#(<= ULTIMATE.start_main_~i~4 66), 29109#(<= ULTIMATE.start_main_~i~4 67), 29110#(<= ULTIMATE.start_main_~i~4 68), 29111#(<= ULTIMATE.start_main_~i~4 69), 29112#(<= ULTIMATE.start_main_~i~4 70), 29113#(<= ULTIMATE.start_main_~i~4 71), 29114#(<= ULTIMATE.start_main_~i~4 72), 29115#(<= ULTIMATE.start_main_~i~4 73), 29116#(<= ULTIMATE.start_main_~i~4 74), 29117#(<= ULTIMATE.start_main_~i~4 75), 29118#(<= ULTIMATE.start_main_~i~4 76), 29119#(<= ULTIMATE.start_main_~i~4 77), 29040#true, 29041#false, 29042#(<= ULTIMATE.start_main_~i~4 0), 29043#(<= ULTIMATE.start_main_~i~4 1), 29044#(<= ULTIMATE.start_main_~i~4 2), 29045#(<= ULTIMATE.start_main_~i~4 3), 29046#(<= ULTIMATE.start_main_~i~4 4), 29047#(<= ULTIMATE.start_main_~i~4 5), 29048#(<= ULTIMATE.start_main_~i~4 6), 29049#(<= ULTIMATE.start_main_~i~4 7), 29050#(<= ULTIMATE.start_main_~i~4 8), 29051#(<= ULTIMATE.start_main_~i~4 9), 29052#(<= ULTIMATE.start_main_~i~4 10), 29053#(<= ULTIMATE.start_main_~i~4 11), 29054#(<= ULTIMATE.start_main_~i~4 12), 29055#(<= ULTIMATE.start_main_~i~4 13)] [2018-07-23 13:43:25,800 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 13:43:25,800 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:43:25,801 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:43:25,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:43:25,802 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 80 states. [2018-07-23 13:43:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:25,904 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:43:25,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:43:25,904 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 158 [2018-07-23 13:43:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:25,905 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:43:25,905 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:43:25,906 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:43:25,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:43:25,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:43:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:43:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:43:25,911 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:43:25,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:25,912 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:43:25,912 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:43:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:43:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:43:25,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:25,913 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:43:25,913 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:25,913 INFO L82 PathProgramCache]: Analyzing trace with hash -982073613, now seen corresponding path program 78 times [2018-07-23 13:43:25,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:26,183 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 13:43:26,183 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:26,183 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:43:26,184 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:26,184 INFO L185 omatonBuilderFactory]: Interpolants [29824#(<= ULTIMATE.start_main_~i~4 54), 29825#(<= ULTIMATE.start_main_~i~4 55), 29826#(<= ULTIMATE.start_main_~i~4 56), 29827#(<= ULTIMATE.start_main_~i~4 57), 29828#(<= ULTIMATE.start_main_~i~4 58), 29829#(<= ULTIMATE.start_main_~i~4 59), 29830#(<= ULTIMATE.start_main_~i~4 60), 29831#(<= ULTIMATE.start_main_~i~4 61), 29832#(<= ULTIMATE.start_main_~i~4 62), 29833#(<= ULTIMATE.start_main_~i~4 63), 29834#(<= ULTIMATE.start_main_~i~4 64), 29835#(<= ULTIMATE.start_main_~i~4 65), 29836#(<= ULTIMATE.start_main_~i~4 66), 29837#(<= ULTIMATE.start_main_~i~4 67), 29838#(<= ULTIMATE.start_main_~i~4 68), 29839#(<= ULTIMATE.start_main_~i~4 69), 29840#(<= ULTIMATE.start_main_~i~4 70), 29841#(<= ULTIMATE.start_main_~i~4 71), 29842#(<= ULTIMATE.start_main_~i~4 72), 29843#(<= ULTIMATE.start_main_~i~4 73), 29844#(<= ULTIMATE.start_main_~i~4 74), 29845#(<= ULTIMATE.start_main_~i~4 75), 29846#(<= ULTIMATE.start_main_~i~4 76), 29847#(<= ULTIMATE.start_main_~i~4 77), 29848#(<= ULTIMATE.start_main_~i~4 78), 29768#true, 29769#false, 29770#(<= ULTIMATE.start_main_~i~4 0), 29771#(<= ULTIMATE.start_main_~i~4 1), 29772#(<= ULTIMATE.start_main_~i~4 2), 29773#(<= ULTIMATE.start_main_~i~4 3), 29774#(<= ULTIMATE.start_main_~i~4 4), 29775#(<= ULTIMATE.start_main_~i~4 5), 29776#(<= ULTIMATE.start_main_~i~4 6), 29777#(<= ULTIMATE.start_main_~i~4 7), 29778#(<= ULTIMATE.start_main_~i~4 8), 29779#(<= ULTIMATE.start_main_~i~4 9), 29780#(<= ULTIMATE.start_main_~i~4 10), 29781#(<= ULTIMATE.start_main_~i~4 11), 29782#(<= ULTIMATE.start_main_~i~4 12), 29783#(<= ULTIMATE.start_main_~i~4 13), 29784#(<= ULTIMATE.start_main_~i~4 14), 29785#(<= ULTIMATE.start_main_~i~4 15), 29786#(<= ULTIMATE.start_main_~i~4 16), 29787#(<= ULTIMATE.start_main_~i~4 17), 29788#(<= ULTIMATE.start_main_~i~4 18), 29789#(<= ULTIMATE.start_main_~i~4 19), 29790#(<= ULTIMATE.start_main_~i~4 20), 29791#(<= ULTIMATE.start_main_~i~4 21), 29792#(<= ULTIMATE.start_main_~i~4 22), 29793#(<= ULTIMATE.start_main_~i~4 23), 29794#(<= ULTIMATE.start_main_~i~4 24), 29795#(<= ULTIMATE.start_main_~i~4 25), 29796#(<= ULTIMATE.start_main_~i~4 26), 29797#(<= ULTIMATE.start_main_~i~4 27), 29798#(<= ULTIMATE.start_main_~i~4 28), 29799#(<= ULTIMATE.start_main_~i~4 29), 29800#(<= ULTIMATE.start_main_~i~4 30), 29801#(<= ULTIMATE.start_main_~i~4 31), 29802#(<= ULTIMATE.start_main_~i~4 32), 29803#(<= ULTIMATE.start_main_~i~4 33), 29804#(<= ULTIMATE.start_main_~i~4 34), 29805#(<= ULTIMATE.start_main_~i~4 35), 29806#(<= ULTIMATE.start_main_~i~4 36), 29807#(<= ULTIMATE.start_main_~i~4 37), 29808#(<= ULTIMATE.start_main_~i~4 38), 29809#(<= ULTIMATE.start_main_~i~4 39), 29810#(<= ULTIMATE.start_main_~i~4 40), 29811#(<= ULTIMATE.start_main_~i~4 41), 29812#(<= ULTIMATE.start_main_~i~4 42), 29813#(<= ULTIMATE.start_main_~i~4 43), 29814#(<= ULTIMATE.start_main_~i~4 44), 29815#(<= ULTIMATE.start_main_~i~4 45), 29816#(<= ULTIMATE.start_main_~i~4 46), 29817#(<= ULTIMATE.start_main_~i~4 47), 29818#(<= ULTIMATE.start_main_~i~4 48), 29819#(<= ULTIMATE.start_main_~i~4 49), 29820#(<= ULTIMATE.start_main_~i~4 50), 29821#(<= ULTIMATE.start_main_~i~4 51), 29822#(<= ULTIMATE.start_main_~i~4 52), 29823#(<= ULTIMATE.start_main_~i~4 53)] [2018-07-23 13:43:26,185 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 13:43:26,185 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:43:26,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:43:26,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:43:26,187 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 81 states. [2018-07-23 13:43:26,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:26,248 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:43:26,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:43:26,248 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 160 [2018-07-23 13:43:26,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:26,249 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:43:26,249 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:43:26,250 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:43:26,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:43:26,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:43:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:43:26,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:43:26,255 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:43:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:26,255 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:43:26,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:43:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:43:26,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:43:26,256 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:26,257 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:43:26,257 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:26,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1120115117, now seen corresponding path program 79 times [2018-07-23 13:43:26,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:26,521 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 13:43:26,522 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:26,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:43:26,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:26,523 INFO L185 omatonBuilderFactory]: Interpolants [30505#true, 30506#false, 30507#(<= ULTIMATE.start_main_~i~4 0), 30508#(<= ULTIMATE.start_main_~i~4 1), 30509#(<= ULTIMATE.start_main_~i~4 2), 30510#(<= ULTIMATE.start_main_~i~4 3), 30511#(<= ULTIMATE.start_main_~i~4 4), 30512#(<= ULTIMATE.start_main_~i~4 5), 30513#(<= ULTIMATE.start_main_~i~4 6), 30514#(<= ULTIMATE.start_main_~i~4 7), 30515#(<= ULTIMATE.start_main_~i~4 8), 30516#(<= ULTIMATE.start_main_~i~4 9), 30517#(<= ULTIMATE.start_main_~i~4 10), 30518#(<= ULTIMATE.start_main_~i~4 11), 30519#(<= ULTIMATE.start_main_~i~4 12), 30520#(<= ULTIMATE.start_main_~i~4 13), 30521#(<= ULTIMATE.start_main_~i~4 14), 30522#(<= ULTIMATE.start_main_~i~4 15), 30523#(<= ULTIMATE.start_main_~i~4 16), 30524#(<= ULTIMATE.start_main_~i~4 17), 30525#(<= ULTIMATE.start_main_~i~4 18), 30526#(<= ULTIMATE.start_main_~i~4 19), 30527#(<= ULTIMATE.start_main_~i~4 20), 30528#(<= ULTIMATE.start_main_~i~4 21), 30529#(<= ULTIMATE.start_main_~i~4 22), 30530#(<= ULTIMATE.start_main_~i~4 23), 30531#(<= ULTIMATE.start_main_~i~4 24), 30532#(<= ULTIMATE.start_main_~i~4 25), 30533#(<= ULTIMATE.start_main_~i~4 26), 30534#(<= ULTIMATE.start_main_~i~4 27), 30535#(<= ULTIMATE.start_main_~i~4 28), 30536#(<= ULTIMATE.start_main_~i~4 29), 30537#(<= ULTIMATE.start_main_~i~4 30), 30538#(<= ULTIMATE.start_main_~i~4 31), 30539#(<= ULTIMATE.start_main_~i~4 32), 30540#(<= ULTIMATE.start_main_~i~4 33), 30541#(<= ULTIMATE.start_main_~i~4 34), 30542#(<= ULTIMATE.start_main_~i~4 35), 30543#(<= ULTIMATE.start_main_~i~4 36), 30544#(<= ULTIMATE.start_main_~i~4 37), 30545#(<= ULTIMATE.start_main_~i~4 38), 30546#(<= ULTIMATE.start_main_~i~4 39), 30547#(<= ULTIMATE.start_main_~i~4 40), 30548#(<= ULTIMATE.start_main_~i~4 41), 30549#(<= ULTIMATE.start_main_~i~4 42), 30550#(<= ULTIMATE.start_main_~i~4 43), 30551#(<= ULTIMATE.start_main_~i~4 44), 30552#(<= ULTIMATE.start_main_~i~4 45), 30553#(<= ULTIMATE.start_main_~i~4 46), 30554#(<= ULTIMATE.start_main_~i~4 47), 30555#(<= ULTIMATE.start_main_~i~4 48), 30556#(<= ULTIMATE.start_main_~i~4 49), 30557#(<= ULTIMATE.start_main_~i~4 50), 30558#(<= ULTIMATE.start_main_~i~4 51), 30559#(<= ULTIMATE.start_main_~i~4 52), 30560#(<= ULTIMATE.start_main_~i~4 53), 30561#(<= ULTIMATE.start_main_~i~4 54), 30562#(<= ULTIMATE.start_main_~i~4 55), 30563#(<= ULTIMATE.start_main_~i~4 56), 30564#(<= ULTIMATE.start_main_~i~4 57), 30565#(<= ULTIMATE.start_main_~i~4 58), 30566#(<= ULTIMATE.start_main_~i~4 59), 30567#(<= ULTIMATE.start_main_~i~4 60), 30568#(<= ULTIMATE.start_main_~i~4 61), 30569#(<= ULTIMATE.start_main_~i~4 62), 30570#(<= ULTIMATE.start_main_~i~4 63), 30571#(<= ULTIMATE.start_main_~i~4 64), 30572#(<= ULTIMATE.start_main_~i~4 65), 30573#(<= ULTIMATE.start_main_~i~4 66), 30574#(<= ULTIMATE.start_main_~i~4 67), 30575#(<= ULTIMATE.start_main_~i~4 68), 30576#(<= ULTIMATE.start_main_~i~4 69), 30577#(<= ULTIMATE.start_main_~i~4 70), 30578#(<= ULTIMATE.start_main_~i~4 71), 30579#(<= ULTIMATE.start_main_~i~4 72), 30580#(<= ULTIMATE.start_main_~i~4 73), 30581#(<= ULTIMATE.start_main_~i~4 74), 30582#(<= ULTIMATE.start_main_~i~4 75), 30583#(<= ULTIMATE.start_main_~i~4 76), 30584#(<= ULTIMATE.start_main_~i~4 77), 30585#(<= ULTIMATE.start_main_~i~4 78), 30586#(<= ULTIMATE.start_main_~i~4 79)] [2018-07-23 13:43:26,523 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 13:43:26,524 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:43:26,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:43:26,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:43:26,525 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 82 states. [2018-07-23 13:43:26,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:26,647 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:43:26,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:43:26,647 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 162 [2018-07-23 13:43:26,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:26,648 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:43:26,648 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:43:26,649 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 13:43:26,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:43:26,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:43:26,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:43:26,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:43:26,653 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:43:26,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:26,654 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:43:26,654 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:43:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:43:26,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:43:26,655 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:26,655 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:43:26,655 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:26,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1606111769, now seen corresponding path program 80 times [2018-07-23 13:43:26,655 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:26,944 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 13:43:26,944 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:26,944 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:43:26,945 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:26,945 INFO L185 omatonBuilderFactory]: Interpolants [31251#true, 31252#false, 31253#(<= ULTIMATE.start_main_~i~4 0), 31254#(<= ULTIMATE.start_main_~i~4 1), 31255#(<= ULTIMATE.start_main_~i~4 2), 31256#(<= ULTIMATE.start_main_~i~4 3), 31257#(<= ULTIMATE.start_main_~i~4 4), 31258#(<= ULTIMATE.start_main_~i~4 5), 31259#(<= ULTIMATE.start_main_~i~4 6), 31260#(<= ULTIMATE.start_main_~i~4 7), 31261#(<= ULTIMATE.start_main_~i~4 8), 31262#(<= ULTIMATE.start_main_~i~4 9), 31263#(<= ULTIMATE.start_main_~i~4 10), 31264#(<= ULTIMATE.start_main_~i~4 11), 31265#(<= ULTIMATE.start_main_~i~4 12), 31266#(<= ULTIMATE.start_main_~i~4 13), 31267#(<= ULTIMATE.start_main_~i~4 14), 31268#(<= ULTIMATE.start_main_~i~4 15), 31269#(<= ULTIMATE.start_main_~i~4 16), 31270#(<= ULTIMATE.start_main_~i~4 17), 31271#(<= ULTIMATE.start_main_~i~4 18), 31272#(<= ULTIMATE.start_main_~i~4 19), 31273#(<= ULTIMATE.start_main_~i~4 20), 31274#(<= ULTIMATE.start_main_~i~4 21), 31275#(<= ULTIMATE.start_main_~i~4 22), 31276#(<= ULTIMATE.start_main_~i~4 23), 31277#(<= ULTIMATE.start_main_~i~4 24), 31278#(<= ULTIMATE.start_main_~i~4 25), 31279#(<= ULTIMATE.start_main_~i~4 26), 31280#(<= ULTIMATE.start_main_~i~4 27), 31281#(<= ULTIMATE.start_main_~i~4 28), 31282#(<= ULTIMATE.start_main_~i~4 29), 31283#(<= ULTIMATE.start_main_~i~4 30), 31284#(<= ULTIMATE.start_main_~i~4 31), 31285#(<= ULTIMATE.start_main_~i~4 32), 31286#(<= ULTIMATE.start_main_~i~4 33), 31287#(<= ULTIMATE.start_main_~i~4 34), 31288#(<= ULTIMATE.start_main_~i~4 35), 31289#(<= ULTIMATE.start_main_~i~4 36), 31290#(<= ULTIMATE.start_main_~i~4 37), 31291#(<= ULTIMATE.start_main_~i~4 38), 31292#(<= ULTIMATE.start_main_~i~4 39), 31293#(<= ULTIMATE.start_main_~i~4 40), 31294#(<= ULTIMATE.start_main_~i~4 41), 31295#(<= ULTIMATE.start_main_~i~4 42), 31296#(<= ULTIMATE.start_main_~i~4 43), 31297#(<= ULTIMATE.start_main_~i~4 44), 31298#(<= ULTIMATE.start_main_~i~4 45), 31299#(<= ULTIMATE.start_main_~i~4 46), 31300#(<= ULTIMATE.start_main_~i~4 47), 31301#(<= ULTIMATE.start_main_~i~4 48), 31302#(<= ULTIMATE.start_main_~i~4 49), 31303#(<= ULTIMATE.start_main_~i~4 50), 31304#(<= ULTIMATE.start_main_~i~4 51), 31305#(<= ULTIMATE.start_main_~i~4 52), 31306#(<= ULTIMATE.start_main_~i~4 53), 31307#(<= ULTIMATE.start_main_~i~4 54), 31308#(<= ULTIMATE.start_main_~i~4 55), 31309#(<= ULTIMATE.start_main_~i~4 56), 31310#(<= ULTIMATE.start_main_~i~4 57), 31311#(<= ULTIMATE.start_main_~i~4 58), 31312#(<= ULTIMATE.start_main_~i~4 59), 31313#(<= ULTIMATE.start_main_~i~4 60), 31314#(<= ULTIMATE.start_main_~i~4 61), 31315#(<= ULTIMATE.start_main_~i~4 62), 31316#(<= ULTIMATE.start_main_~i~4 63), 31317#(<= ULTIMATE.start_main_~i~4 64), 31318#(<= ULTIMATE.start_main_~i~4 65), 31319#(<= ULTIMATE.start_main_~i~4 66), 31320#(<= ULTIMATE.start_main_~i~4 67), 31321#(<= ULTIMATE.start_main_~i~4 68), 31322#(<= ULTIMATE.start_main_~i~4 69), 31323#(<= ULTIMATE.start_main_~i~4 70), 31324#(<= ULTIMATE.start_main_~i~4 71), 31325#(<= ULTIMATE.start_main_~i~4 72), 31326#(<= ULTIMATE.start_main_~i~4 73), 31327#(<= ULTIMATE.start_main_~i~4 74), 31328#(<= ULTIMATE.start_main_~i~4 75), 31329#(<= ULTIMATE.start_main_~i~4 76), 31330#(<= ULTIMATE.start_main_~i~4 77), 31331#(<= ULTIMATE.start_main_~i~4 78), 31332#(<= ULTIMATE.start_main_~i~4 79), 31333#(<= ULTIMATE.start_main_~i~4 80)] [2018-07-23 13:43:26,946 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 13:43:26,946 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:43:26,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:43:26,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:43:26,948 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 83 states. [2018-07-23 13:43:27,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:27,103 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:43:27,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:43:27,103 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 164 [2018-07-23 13:43:27,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:27,105 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:43:27,105 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:43:27,105 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 13:43:27,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:43:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:43:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:43:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:43:27,110 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:43:27,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:27,111 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:43:27,111 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:43:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:43:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:43:27,112 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:27,112 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:43:27,112 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:27,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1580098655, now seen corresponding path program 81 times [2018-07-23 13:43:27,112 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:27,372 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 13:43:27,372 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:27,372 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:43:27,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:27,373 INFO L185 omatonBuilderFactory]: Interpolants [32006#true, 32007#false, 32008#(<= ULTIMATE.start_main_~i~4 0), 32009#(<= ULTIMATE.start_main_~i~4 1), 32010#(<= ULTIMATE.start_main_~i~4 2), 32011#(<= ULTIMATE.start_main_~i~4 3), 32012#(<= ULTIMATE.start_main_~i~4 4), 32013#(<= ULTIMATE.start_main_~i~4 5), 32014#(<= ULTIMATE.start_main_~i~4 6), 32015#(<= ULTIMATE.start_main_~i~4 7), 32016#(<= ULTIMATE.start_main_~i~4 8), 32017#(<= ULTIMATE.start_main_~i~4 9), 32018#(<= ULTIMATE.start_main_~i~4 10), 32019#(<= ULTIMATE.start_main_~i~4 11), 32020#(<= ULTIMATE.start_main_~i~4 12), 32021#(<= ULTIMATE.start_main_~i~4 13), 32022#(<= ULTIMATE.start_main_~i~4 14), 32023#(<= ULTIMATE.start_main_~i~4 15), 32024#(<= ULTIMATE.start_main_~i~4 16), 32025#(<= ULTIMATE.start_main_~i~4 17), 32026#(<= ULTIMATE.start_main_~i~4 18), 32027#(<= ULTIMATE.start_main_~i~4 19), 32028#(<= ULTIMATE.start_main_~i~4 20), 32029#(<= ULTIMATE.start_main_~i~4 21), 32030#(<= ULTIMATE.start_main_~i~4 22), 32031#(<= ULTIMATE.start_main_~i~4 23), 32032#(<= ULTIMATE.start_main_~i~4 24), 32033#(<= ULTIMATE.start_main_~i~4 25), 32034#(<= ULTIMATE.start_main_~i~4 26), 32035#(<= ULTIMATE.start_main_~i~4 27), 32036#(<= ULTIMATE.start_main_~i~4 28), 32037#(<= ULTIMATE.start_main_~i~4 29), 32038#(<= ULTIMATE.start_main_~i~4 30), 32039#(<= ULTIMATE.start_main_~i~4 31), 32040#(<= ULTIMATE.start_main_~i~4 32), 32041#(<= ULTIMATE.start_main_~i~4 33), 32042#(<= ULTIMATE.start_main_~i~4 34), 32043#(<= ULTIMATE.start_main_~i~4 35), 32044#(<= ULTIMATE.start_main_~i~4 36), 32045#(<= ULTIMATE.start_main_~i~4 37), 32046#(<= ULTIMATE.start_main_~i~4 38), 32047#(<= ULTIMATE.start_main_~i~4 39), 32048#(<= ULTIMATE.start_main_~i~4 40), 32049#(<= ULTIMATE.start_main_~i~4 41), 32050#(<= ULTIMATE.start_main_~i~4 42), 32051#(<= ULTIMATE.start_main_~i~4 43), 32052#(<= ULTIMATE.start_main_~i~4 44), 32053#(<= ULTIMATE.start_main_~i~4 45), 32054#(<= ULTIMATE.start_main_~i~4 46), 32055#(<= ULTIMATE.start_main_~i~4 47), 32056#(<= ULTIMATE.start_main_~i~4 48), 32057#(<= ULTIMATE.start_main_~i~4 49), 32058#(<= ULTIMATE.start_main_~i~4 50), 32059#(<= ULTIMATE.start_main_~i~4 51), 32060#(<= ULTIMATE.start_main_~i~4 52), 32061#(<= ULTIMATE.start_main_~i~4 53), 32062#(<= ULTIMATE.start_main_~i~4 54), 32063#(<= ULTIMATE.start_main_~i~4 55), 32064#(<= ULTIMATE.start_main_~i~4 56), 32065#(<= ULTIMATE.start_main_~i~4 57), 32066#(<= ULTIMATE.start_main_~i~4 58), 32067#(<= ULTIMATE.start_main_~i~4 59), 32068#(<= ULTIMATE.start_main_~i~4 60), 32069#(<= ULTIMATE.start_main_~i~4 61), 32070#(<= ULTIMATE.start_main_~i~4 62), 32071#(<= ULTIMATE.start_main_~i~4 63), 32072#(<= ULTIMATE.start_main_~i~4 64), 32073#(<= ULTIMATE.start_main_~i~4 65), 32074#(<= ULTIMATE.start_main_~i~4 66), 32075#(<= ULTIMATE.start_main_~i~4 67), 32076#(<= ULTIMATE.start_main_~i~4 68), 32077#(<= ULTIMATE.start_main_~i~4 69), 32078#(<= ULTIMATE.start_main_~i~4 70), 32079#(<= ULTIMATE.start_main_~i~4 71), 32080#(<= ULTIMATE.start_main_~i~4 72), 32081#(<= ULTIMATE.start_main_~i~4 73), 32082#(<= ULTIMATE.start_main_~i~4 74), 32083#(<= ULTIMATE.start_main_~i~4 75), 32084#(<= ULTIMATE.start_main_~i~4 76), 32085#(<= ULTIMATE.start_main_~i~4 77), 32086#(<= ULTIMATE.start_main_~i~4 78), 32087#(<= ULTIMATE.start_main_~i~4 79), 32088#(<= ULTIMATE.start_main_~i~4 80), 32089#(<= ULTIMATE.start_main_~i~4 81)] [2018-07-23 13:43:27,373 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 13:43:27,373 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:43:27,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:43:27,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:43:27,375 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 84 states. [2018-07-23 13:43:27,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:27,499 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:43:27,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:43:27,500 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 166 [2018-07-23 13:43:27,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:27,501 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:43:27,501 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:43:27,502 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 13:43:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:43:27,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:43:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:43:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:43:27,506 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:43:27,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:27,507 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:43:27,507 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:43:27,507 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:43:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:43:27,508 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:27,508 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:43:27,508 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:27,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1943667419, now seen corresponding path program 82 times [2018-07-23 13:43:27,508 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:27,818 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 13:43:27,818 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:27,819 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:43:27,819 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:27,819 INFO L185 omatonBuilderFactory]: Interpolants [32770#true, 32771#false, 32772#(<= ULTIMATE.start_main_~i~4 0), 32773#(<= ULTIMATE.start_main_~i~4 1), 32774#(<= ULTIMATE.start_main_~i~4 2), 32775#(<= ULTIMATE.start_main_~i~4 3), 32776#(<= ULTIMATE.start_main_~i~4 4), 32777#(<= ULTIMATE.start_main_~i~4 5), 32778#(<= ULTIMATE.start_main_~i~4 6), 32779#(<= ULTIMATE.start_main_~i~4 7), 32780#(<= ULTIMATE.start_main_~i~4 8), 32781#(<= ULTIMATE.start_main_~i~4 9), 32782#(<= ULTIMATE.start_main_~i~4 10), 32783#(<= ULTIMATE.start_main_~i~4 11), 32784#(<= ULTIMATE.start_main_~i~4 12), 32785#(<= ULTIMATE.start_main_~i~4 13), 32786#(<= ULTIMATE.start_main_~i~4 14), 32787#(<= ULTIMATE.start_main_~i~4 15), 32788#(<= ULTIMATE.start_main_~i~4 16), 32789#(<= ULTIMATE.start_main_~i~4 17), 32790#(<= ULTIMATE.start_main_~i~4 18), 32791#(<= ULTIMATE.start_main_~i~4 19), 32792#(<= ULTIMATE.start_main_~i~4 20), 32793#(<= ULTIMATE.start_main_~i~4 21), 32794#(<= ULTIMATE.start_main_~i~4 22), 32795#(<= ULTIMATE.start_main_~i~4 23), 32796#(<= ULTIMATE.start_main_~i~4 24), 32797#(<= ULTIMATE.start_main_~i~4 25), 32798#(<= ULTIMATE.start_main_~i~4 26), 32799#(<= ULTIMATE.start_main_~i~4 27), 32800#(<= ULTIMATE.start_main_~i~4 28), 32801#(<= ULTIMATE.start_main_~i~4 29), 32802#(<= ULTIMATE.start_main_~i~4 30), 32803#(<= ULTIMATE.start_main_~i~4 31), 32804#(<= ULTIMATE.start_main_~i~4 32), 32805#(<= ULTIMATE.start_main_~i~4 33), 32806#(<= ULTIMATE.start_main_~i~4 34), 32807#(<= ULTIMATE.start_main_~i~4 35), 32808#(<= ULTIMATE.start_main_~i~4 36), 32809#(<= ULTIMATE.start_main_~i~4 37), 32810#(<= ULTIMATE.start_main_~i~4 38), 32811#(<= ULTIMATE.start_main_~i~4 39), 32812#(<= ULTIMATE.start_main_~i~4 40), 32813#(<= ULTIMATE.start_main_~i~4 41), 32814#(<= ULTIMATE.start_main_~i~4 42), 32815#(<= ULTIMATE.start_main_~i~4 43), 32816#(<= ULTIMATE.start_main_~i~4 44), 32817#(<= ULTIMATE.start_main_~i~4 45), 32818#(<= ULTIMATE.start_main_~i~4 46), 32819#(<= ULTIMATE.start_main_~i~4 47), 32820#(<= ULTIMATE.start_main_~i~4 48), 32821#(<= ULTIMATE.start_main_~i~4 49), 32822#(<= ULTIMATE.start_main_~i~4 50), 32823#(<= ULTIMATE.start_main_~i~4 51), 32824#(<= ULTIMATE.start_main_~i~4 52), 32825#(<= ULTIMATE.start_main_~i~4 53), 32826#(<= ULTIMATE.start_main_~i~4 54), 32827#(<= ULTIMATE.start_main_~i~4 55), 32828#(<= ULTIMATE.start_main_~i~4 56), 32829#(<= ULTIMATE.start_main_~i~4 57), 32830#(<= ULTIMATE.start_main_~i~4 58), 32831#(<= ULTIMATE.start_main_~i~4 59), 32832#(<= ULTIMATE.start_main_~i~4 60), 32833#(<= ULTIMATE.start_main_~i~4 61), 32834#(<= ULTIMATE.start_main_~i~4 62), 32835#(<= ULTIMATE.start_main_~i~4 63), 32836#(<= ULTIMATE.start_main_~i~4 64), 32837#(<= ULTIMATE.start_main_~i~4 65), 32838#(<= ULTIMATE.start_main_~i~4 66), 32839#(<= ULTIMATE.start_main_~i~4 67), 32840#(<= ULTIMATE.start_main_~i~4 68), 32841#(<= ULTIMATE.start_main_~i~4 69), 32842#(<= ULTIMATE.start_main_~i~4 70), 32843#(<= ULTIMATE.start_main_~i~4 71), 32844#(<= ULTIMATE.start_main_~i~4 72), 32845#(<= ULTIMATE.start_main_~i~4 73), 32846#(<= ULTIMATE.start_main_~i~4 74), 32847#(<= ULTIMATE.start_main_~i~4 75), 32848#(<= ULTIMATE.start_main_~i~4 76), 32849#(<= ULTIMATE.start_main_~i~4 77), 32850#(<= ULTIMATE.start_main_~i~4 78), 32851#(<= ULTIMATE.start_main_~i~4 79), 32852#(<= ULTIMATE.start_main_~i~4 80), 32853#(<= ULTIMATE.start_main_~i~4 81), 32854#(<= ULTIMATE.start_main_~i~4 82)] [2018-07-23 13:43:27,820 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 13:43:27,820 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:43:27,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:43:27,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:43:27,822 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 85 states. [2018-07-23 13:43:27,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:27,962 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:43:27,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:43:27,962 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 168 [2018-07-23 13:43:27,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:27,963 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:43:27,963 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:43:27,964 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:43:27,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:43:27,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:43:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:43:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:43:27,969 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:43:27,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:27,969 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:43:27,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:43:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:43:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:43:27,970 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:27,970 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:43:27,970 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:27,971 INFO L82 PathProgramCache]: Analyzing trace with hash -446332011, now seen corresponding path program 83 times [2018-07-23 13:43:27,971 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:28,283 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 13:43:28,283 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:28,283 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:43:28,284 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:28,284 INFO L185 omatonBuilderFactory]: Interpolants [33543#true, 33544#false, 33545#(<= ULTIMATE.start_main_~i~4 0), 33546#(<= ULTIMATE.start_main_~i~4 1), 33547#(<= ULTIMATE.start_main_~i~4 2), 33548#(<= ULTIMATE.start_main_~i~4 3), 33549#(<= ULTIMATE.start_main_~i~4 4), 33550#(<= ULTIMATE.start_main_~i~4 5), 33551#(<= ULTIMATE.start_main_~i~4 6), 33552#(<= ULTIMATE.start_main_~i~4 7), 33553#(<= ULTIMATE.start_main_~i~4 8), 33554#(<= ULTIMATE.start_main_~i~4 9), 33555#(<= ULTIMATE.start_main_~i~4 10), 33556#(<= ULTIMATE.start_main_~i~4 11), 33557#(<= ULTIMATE.start_main_~i~4 12), 33558#(<= ULTIMATE.start_main_~i~4 13), 33559#(<= ULTIMATE.start_main_~i~4 14), 33560#(<= ULTIMATE.start_main_~i~4 15), 33561#(<= ULTIMATE.start_main_~i~4 16), 33562#(<= ULTIMATE.start_main_~i~4 17), 33563#(<= ULTIMATE.start_main_~i~4 18), 33564#(<= ULTIMATE.start_main_~i~4 19), 33565#(<= ULTIMATE.start_main_~i~4 20), 33566#(<= ULTIMATE.start_main_~i~4 21), 33567#(<= ULTIMATE.start_main_~i~4 22), 33568#(<= ULTIMATE.start_main_~i~4 23), 33569#(<= ULTIMATE.start_main_~i~4 24), 33570#(<= ULTIMATE.start_main_~i~4 25), 33571#(<= ULTIMATE.start_main_~i~4 26), 33572#(<= ULTIMATE.start_main_~i~4 27), 33573#(<= ULTIMATE.start_main_~i~4 28), 33574#(<= ULTIMATE.start_main_~i~4 29), 33575#(<= ULTIMATE.start_main_~i~4 30), 33576#(<= ULTIMATE.start_main_~i~4 31), 33577#(<= ULTIMATE.start_main_~i~4 32), 33578#(<= ULTIMATE.start_main_~i~4 33), 33579#(<= ULTIMATE.start_main_~i~4 34), 33580#(<= ULTIMATE.start_main_~i~4 35), 33581#(<= ULTIMATE.start_main_~i~4 36), 33582#(<= ULTIMATE.start_main_~i~4 37), 33583#(<= ULTIMATE.start_main_~i~4 38), 33584#(<= ULTIMATE.start_main_~i~4 39), 33585#(<= ULTIMATE.start_main_~i~4 40), 33586#(<= ULTIMATE.start_main_~i~4 41), 33587#(<= ULTIMATE.start_main_~i~4 42), 33588#(<= ULTIMATE.start_main_~i~4 43), 33589#(<= ULTIMATE.start_main_~i~4 44), 33590#(<= ULTIMATE.start_main_~i~4 45), 33591#(<= ULTIMATE.start_main_~i~4 46), 33592#(<= ULTIMATE.start_main_~i~4 47), 33593#(<= ULTIMATE.start_main_~i~4 48), 33594#(<= ULTIMATE.start_main_~i~4 49), 33595#(<= ULTIMATE.start_main_~i~4 50), 33596#(<= ULTIMATE.start_main_~i~4 51), 33597#(<= ULTIMATE.start_main_~i~4 52), 33598#(<= ULTIMATE.start_main_~i~4 53), 33599#(<= ULTIMATE.start_main_~i~4 54), 33600#(<= ULTIMATE.start_main_~i~4 55), 33601#(<= ULTIMATE.start_main_~i~4 56), 33602#(<= ULTIMATE.start_main_~i~4 57), 33603#(<= ULTIMATE.start_main_~i~4 58), 33604#(<= ULTIMATE.start_main_~i~4 59), 33605#(<= ULTIMATE.start_main_~i~4 60), 33606#(<= ULTIMATE.start_main_~i~4 61), 33607#(<= ULTIMATE.start_main_~i~4 62), 33608#(<= ULTIMATE.start_main_~i~4 63), 33609#(<= ULTIMATE.start_main_~i~4 64), 33610#(<= ULTIMATE.start_main_~i~4 65), 33611#(<= ULTIMATE.start_main_~i~4 66), 33612#(<= ULTIMATE.start_main_~i~4 67), 33613#(<= ULTIMATE.start_main_~i~4 68), 33614#(<= ULTIMATE.start_main_~i~4 69), 33615#(<= ULTIMATE.start_main_~i~4 70), 33616#(<= ULTIMATE.start_main_~i~4 71), 33617#(<= ULTIMATE.start_main_~i~4 72), 33618#(<= ULTIMATE.start_main_~i~4 73), 33619#(<= ULTIMATE.start_main_~i~4 74), 33620#(<= ULTIMATE.start_main_~i~4 75), 33621#(<= ULTIMATE.start_main_~i~4 76), 33622#(<= ULTIMATE.start_main_~i~4 77), 33623#(<= ULTIMATE.start_main_~i~4 78), 33624#(<= ULTIMATE.start_main_~i~4 79), 33625#(<= ULTIMATE.start_main_~i~4 80), 33626#(<= ULTIMATE.start_main_~i~4 81), 33627#(<= ULTIMATE.start_main_~i~4 82), 33628#(<= ULTIMATE.start_main_~i~4 83)] [2018-07-23 13:43:28,285 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 13:43:28,285 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:43:28,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:43:28,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:43:28,287 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 86 states. [2018-07-23 13:43:28,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:28,481 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:43:28,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:43:28,481 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 170 [2018-07-23 13:43:28,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:28,483 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:43:28,483 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:43:28,484 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 13:43:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:43:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:43:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:43:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:43:28,489 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:43:28,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:28,489 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:43:28,490 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:43:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:43:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:43:28,491 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:28,491 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:43:28,491 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:28,491 INFO L82 PathProgramCache]: Analyzing trace with hash 571719119, now seen corresponding path program 84 times [2018-07-23 13:43:28,492 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:28,837 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 13:43:28,837 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:28,838 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:43:28,838 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:28,838 INFO L185 omatonBuilderFactory]: Interpolants [34325#true, 34326#false, 34327#(<= ULTIMATE.start_main_~i~4 0), 34328#(<= ULTIMATE.start_main_~i~4 1), 34329#(<= ULTIMATE.start_main_~i~4 2), 34330#(<= ULTIMATE.start_main_~i~4 3), 34331#(<= ULTIMATE.start_main_~i~4 4), 34332#(<= ULTIMATE.start_main_~i~4 5), 34333#(<= ULTIMATE.start_main_~i~4 6), 34334#(<= ULTIMATE.start_main_~i~4 7), 34335#(<= ULTIMATE.start_main_~i~4 8), 34336#(<= ULTIMATE.start_main_~i~4 9), 34337#(<= ULTIMATE.start_main_~i~4 10), 34338#(<= ULTIMATE.start_main_~i~4 11), 34339#(<= ULTIMATE.start_main_~i~4 12), 34340#(<= ULTIMATE.start_main_~i~4 13), 34341#(<= ULTIMATE.start_main_~i~4 14), 34342#(<= ULTIMATE.start_main_~i~4 15), 34343#(<= ULTIMATE.start_main_~i~4 16), 34344#(<= ULTIMATE.start_main_~i~4 17), 34345#(<= ULTIMATE.start_main_~i~4 18), 34346#(<= ULTIMATE.start_main_~i~4 19), 34347#(<= ULTIMATE.start_main_~i~4 20), 34348#(<= ULTIMATE.start_main_~i~4 21), 34349#(<= ULTIMATE.start_main_~i~4 22), 34350#(<= ULTIMATE.start_main_~i~4 23), 34351#(<= ULTIMATE.start_main_~i~4 24), 34352#(<= ULTIMATE.start_main_~i~4 25), 34353#(<= ULTIMATE.start_main_~i~4 26), 34354#(<= ULTIMATE.start_main_~i~4 27), 34355#(<= ULTIMATE.start_main_~i~4 28), 34356#(<= ULTIMATE.start_main_~i~4 29), 34357#(<= ULTIMATE.start_main_~i~4 30), 34358#(<= ULTIMATE.start_main_~i~4 31), 34359#(<= ULTIMATE.start_main_~i~4 32), 34360#(<= ULTIMATE.start_main_~i~4 33), 34361#(<= ULTIMATE.start_main_~i~4 34), 34362#(<= ULTIMATE.start_main_~i~4 35), 34363#(<= ULTIMATE.start_main_~i~4 36), 34364#(<= ULTIMATE.start_main_~i~4 37), 34365#(<= ULTIMATE.start_main_~i~4 38), 34366#(<= ULTIMATE.start_main_~i~4 39), 34367#(<= ULTIMATE.start_main_~i~4 40), 34368#(<= ULTIMATE.start_main_~i~4 41), 34369#(<= ULTIMATE.start_main_~i~4 42), 34370#(<= ULTIMATE.start_main_~i~4 43), 34371#(<= ULTIMATE.start_main_~i~4 44), 34372#(<= ULTIMATE.start_main_~i~4 45), 34373#(<= ULTIMATE.start_main_~i~4 46), 34374#(<= ULTIMATE.start_main_~i~4 47), 34375#(<= ULTIMATE.start_main_~i~4 48), 34376#(<= ULTIMATE.start_main_~i~4 49), 34377#(<= ULTIMATE.start_main_~i~4 50), 34378#(<= ULTIMATE.start_main_~i~4 51), 34379#(<= ULTIMATE.start_main_~i~4 52), 34380#(<= ULTIMATE.start_main_~i~4 53), 34381#(<= ULTIMATE.start_main_~i~4 54), 34382#(<= ULTIMATE.start_main_~i~4 55), 34383#(<= ULTIMATE.start_main_~i~4 56), 34384#(<= ULTIMATE.start_main_~i~4 57), 34385#(<= ULTIMATE.start_main_~i~4 58), 34386#(<= ULTIMATE.start_main_~i~4 59), 34387#(<= ULTIMATE.start_main_~i~4 60), 34388#(<= ULTIMATE.start_main_~i~4 61), 34389#(<= ULTIMATE.start_main_~i~4 62), 34390#(<= ULTIMATE.start_main_~i~4 63), 34391#(<= ULTIMATE.start_main_~i~4 64), 34392#(<= ULTIMATE.start_main_~i~4 65), 34393#(<= ULTIMATE.start_main_~i~4 66), 34394#(<= ULTIMATE.start_main_~i~4 67), 34395#(<= ULTIMATE.start_main_~i~4 68), 34396#(<= ULTIMATE.start_main_~i~4 69), 34397#(<= ULTIMATE.start_main_~i~4 70), 34398#(<= ULTIMATE.start_main_~i~4 71), 34399#(<= ULTIMATE.start_main_~i~4 72), 34400#(<= ULTIMATE.start_main_~i~4 73), 34401#(<= ULTIMATE.start_main_~i~4 74), 34402#(<= ULTIMATE.start_main_~i~4 75), 34403#(<= ULTIMATE.start_main_~i~4 76), 34404#(<= ULTIMATE.start_main_~i~4 77), 34405#(<= ULTIMATE.start_main_~i~4 78), 34406#(<= ULTIMATE.start_main_~i~4 79), 34407#(<= ULTIMATE.start_main_~i~4 80), 34408#(<= ULTIMATE.start_main_~i~4 81), 34409#(<= ULTIMATE.start_main_~i~4 82), 34410#(<= ULTIMATE.start_main_~i~4 83), 34411#(<= ULTIMATE.start_main_~i~4 84)] [2018-07-23 13:43:28,839 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 13:43:28,839 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:43:28,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:43:28,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:43:28,841 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 87 states. [2018-07-23 13:43:29,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:29,013 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:43:29,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:43:29,014 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 172 [2018-07-23 13:43:29,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:29,015 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:43:29,015 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:43:29,016 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 13:43:29,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:43:29,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:43:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:43:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:43:29,022 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:43:29,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:29,022 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:43:29,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:43:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:43:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:43:29,025 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:29,025 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:43:29,025 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:29,025 INFO L82 PathProgramCache]: Analyzing trace with hash -333688439, now seen corresponding path program 85 times [2018-07-23 13:43:29,025 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:29,337 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 13:43:29,337 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:29,337 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:43:29,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:29,338 INFO L185 omatonBuilderFactory]: Interpolants [35200#(<= ULTIMATE.start_main_~i~4 82), 35201#(<= ULTIMATE.start_main_~i~4 83), 35202#(<= ULTIMATE.start_main_~i~4 84), 35203#(<= ULTIMATE.start_main_~i~4 85), 35116#true, 35117#false, 35118#(<= ULTIMATE.start_main_~i~4 0), 35119#(<= ULTIMATE.start_main_~i~4 1), 35120#(<= ULTIMATE.start_main_~i~4 2), 35121#(<= ULTIMATE.start_main_~i~4 3), 35122#(<= ULTIMATE.start_main_~i~4 4), 35123#(<= ULTIMATE.start_main_~i~4 5), 35124#(<= ULTIMATE.start_main_~i~4 6), 35125#(<= ULTIMATE.start_main_~i~4 7), 35126#(<= ULTIMATE.start_main_~i~4 8), 35127#(<= ULTIMATE.start_main_~i~4 9), 35128#(<= ULTIMATE.start_main_~i~4 10), 35129#(<= ULTIMATE.start_main_~i~4 11), 35130#(<= ULTIMATE.start_main_~i~4 12), 35131#(<= ULTIMATE.start_main_~i~4 13), 35132#(<= ULTIMATE.start_main_~i~4 14), 35133#(<= ULTIMATE.start_main_~i~4 15), 35134#(<= ULTIMATE.start_main_~i~4 16), 35135#(<= ULTIMATE.start_main_~i~4 17), 35136#(<= ULTIMATE.start_main_~i~4 18), 35137#(<= ULTIMATE.start_main_~i~4 19), 35138#(<= ULTIMATE.start_main_~i~4 20), 35139#(<= ULTIMATE.start_main_~i~4 21), 35140#(<= ULTIMATE.start_main_~i~4 22), 35141#(<= ULTIMATE.start_main_~i~4 23), 35142#(<= ULTIMATE.start_main_~i~4 24), 35143#(<= ULTIMATE.start_main_~i~4 25), 35144#(<= ULTIMATE.start_main_~i~4 26), 35145#(<= ULTIMATE.start_main_~i~4 27), 35146#(<= ULTIMATE.start_main_~i~4 28), 35147#(<= ULTIMATE.start_main_~i~4 29), 35148#(<= ULTIMATE.start_main_~i~4 30), 35149#(<= ULTIMATE.start_main_~i~4 31), 35150#(<= ULTIMATE.start_main_~i~4 32), 35151#(<= ULTIMATE.start_main_~i~4 33), 35152#(<= ULTIMATE.start_main_~i~4 34), 35153#(<= ULTIMATE.start_main_~i~4 35), 35154#(<= ULTIMATE.start_main_~i~4 36), 35155#(<= ULTIMATE.start_main_~i~4 37), 35156#(<= ULTIMATE.start_main_~i~4 38), 35157#(<= ULTIMATE.start_main_~i~4 39), 35158#(<= ULTIMATE.start_main_~i~4 40), 35159#(<= ULTIMATE.start_main_~i~4 41), 35160#(<= ULTIMATE.start_main_~i~4 42), 35161#(<= ULTIMATE.start_main_~i~4 43), 35162#(<= ULTIMATE.start_main_~i~4 44), 35163#(<= ULTIMATE.start_main_~i~4 45), 35164#(<= ULTIMATE.start_main_~i~4 46), 35165#(<= ULTIMATE.start_main_~i~4 47), 35166#(<= ULTIMATE.start_main_~i~4 48), 35167#(<= ULTIMATE.start_main_~i~4 49), 35168#(<= ULTIMATE.start_main_~i~4 50), 35169#(<= ULTIMATE.start_main_~i~4 51), 35170#(<= ULTIMATE.start_main_~i~4 52), 35171#(<= ULTIMATE.start_main_~i~4 53), 35172#(<= ULTIMATE.start_main_~i~4 54), 35173#(<= ULTIMATE.start_main_~i~4 55), 35174#(<= ULTIMATE.start_main_~i~4 56), 35175#(<= ULTIMATE.start_main_~i~4 57), 35176#(<= ULTIMATE.start_main_~i~4 58), 35177#(<= ULTIMATE.start_main_~i~4 59), 35178#(<= ULTIMATE.start_main_~i~4 60), 35179#(<= ULTIMATE.start_main_~i~4 61), 35180#(<= ULTIMATE.start_main_~i~4 62), 35181#(<= ULTIMATE.start_main_~i~4 63), 35182#(<= ULTIMATE.start_main_~i~4 64), 35183#(<= ULTIMATE.start_main_~i~4 65), 35184#(<= ULTIMATE.start_main_~i~4 66), 35185#(<= ULTIMATE.start_main_~i~4 67), 35186#(<= ULTIMATE.start_main_~i~4 68), 35187#(<= ULTIMATE.start_main_~i~4 69), 35188#(<= ULTIMATE.start_main_~i~4 70), 35189#(<= ULTIMATE.start_main_~i~4 71), 35190#(<= ULTIMATE.start_main_~i~4 72), 35191#(<= ULTIMATE.start_main_~i~4 73), 35192#(<= ULTIMATE.start_main_~i~4 74), 35193#(<= ULTIMATE.start_main_~i~4 75), 35194#(<= ULTIMATE.start_main_~i~4 76), 35195#(<= ULTIMATE.start_main_~i~4 77), 35196#(<= ULTIMATE.start_main_~i~4 78), 35197#(<= ULTIMATE.start_main_~i~4 79), 35198#(<= ULTIMATE.start_main_~i~4 80), 35199#(<= ULTIMATE.start_main_~i~4 81)] [2018-07-23 13:43:29,339 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 13:43:29,339 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:43:29,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:43:29,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:43:29,340 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 88 states. [2018-07-23 13:43:29,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:29,475 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:43:29,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:43:29,475 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 174 [2018-07-23 13:43:29,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:29,477 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:43:29,477 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:43:29,478 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 13:43:29,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:43:29,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:43:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:43:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:43:29,483 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:43:29,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:29,483 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:43:29,483 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:43:29,483 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:43:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:43:29,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:29,484 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:43:29,485 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:29,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1448009411, now seen corresponding path program 86 times [2018-07-23 13:43:29,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:29,769 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 13:43:29,770 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:29,770 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:43:29,770 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:29,770 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 13:43:29,770 INFO L185 omatonBuilderFactory]: Interpolants [35968#(<= ULTIMATE.start_main_~i~4 50), 35969#(<= ULTIMATE.start_main_~i~4 51), 35970#(<= ULTIMATE.start_main_~i~4 52), 35971#(<= ULTIMATE.start_main_~i~4 53), 35972#(<= ULTIMATE.start_main_~i~4 54), 35973#(<= ULTIMATE.start_main_~i~4 55), 35974#(<= ULTIMATE.start_main_~i~4 56), 35975#(<= ULTIMATE.start_main_~i~4 57), 35976#(<= ULTIMATE.start_main_~i~4 58), 35977#(<= ULTIMATE.start_main_~i~4 59), 35978#(<= ULTIMATE.start_main_~i~4 60), 35979#(<= ULTIMATE.start_main_~i~4 61), 35980#(<= ULTIMATE.start_main_~i~4 62), 35981#(<= ULTIMATE.start_main_~i~4 63), 35982#(<= ULTIMATE.start_main_~i~4 64), 35983#(<= ULTIMATE.start_main_~i~4 65), 35984#(<= ULTIMATE.start_main_~i~4 66), 35985#(<= ULTIMATE.start_main_~i~4 67), 35986#(<= ULTIMATE.start_main_~i~4 68), 35987#(<= ULTIMATE.start_main_~i~4 69), 35988#(<= ULTIMATE.start_main_~i~4 70), 35989#(<= ULTIMATE.start_main_~i~4 71), 35990#(<= ULTIMATE.start_main_~i~4 72), 35991#(<= ULTIMATE.start_main_~i~4 73), 35992#(<= ULTIMATE.start_main_~i~4 74), 35993#(<= ULTIMATE.start_main_~i~4 75), 35994#(<= ULTIMATE.start_main_~i~4 76), 35995#(<= ULTIMATE.start_main_~i~4 77), 35996#(<= ULTIMATE.start_main_~i~4 78), 35997#(<= ULTIMATE.start_main_~i~4 79), 35998#(<= ULTIMATE.start_main_~i~4 80), 35999#(<= ULTIMATE.start_main_~i~4 81), 36000#(<= ULTIMATE.start_main_~i~4 82), 36001#(<= ULTIMATE.start_main_~i~4 83), 36002#(<= ULTIMATE.start_main_~i~4 84), 36003#(<= ULTIMATE.start_main_~i~4 85), 36004#(<= ULTIMATE.start_main_~i~4 86), 35916#true, 35917#false, 35918#(<= ULTIMATE.start_main_~i~4 0), 35919#(<= ULTIMATE.start_main_~i~4 1), 35920#(<= ULTIMATE.start_main_~i~4 2), 35921#(<= ULTIMATE.start_main_~i~4 3), 35922#(<= ULTIMATE.start_main_~i~4 4), 35923#(<= ULTIMATE.start_main_~i~4 5), 35924#(<= ULTIMATE.start_main_~i~4 6), 35925#(<= ULTIMATE.start_main_~i~4 7), 35926#(<= ULTIMATE.start_main_~i~4 8), 35927#(<= ULTIMATE.start_main_~i~4 9), 35928#(<= ULTIMATE.start_main_~i~4 10), 35929#(<= ULTIMATE.start_main_~i~4 11), 35930#(<= ULTIMATE.start_main_~i~4 12), 35931#(<= ULTIMATE.start_main_~i~4 13), 35932#(<= ULTIMATE.start_main_~i~4 14), 35933#(<= ULTIMATE.start_main_~i~4 15), 35934#(<= ULTIMATE.start_main_~i~4 16), 35935#(<= ULTIMATE.start_main_~i~4 17), 35936#(<= ULTIMATE.start_main_~i~4 18), 35937#(<= ULTIMATE.start_main_~i~4 19), 35938#(<= ULTIMATE.start_main_~i~4 20), 35939#(<= ULTIMATE.start_main_~i~4 21), 35940#(<= ULTIMATE.start_main_~i~4 22), 35941#(<= ULTIMATE.start_main_~i~4 23), 35942#(<= ULTIMATE.start_main_~i~4 24), 35943#(<= ULTIMATE.start_main_~i~4 25), 35944#(<= ULTIMATE.start_main_~i~4 26), 35945#(<= ULTIMATE.start_main_~i~4 27), 35946#(<= ULTIMATE.start_main_~i~4 28), 35947#(<= ULTIMATE.start_main_~i~4 29), 35948#(<= ULTIMATE.start_main_~i~4 30), 35949#(<= ULTIMATE.start_main_~i~4 31), 35950#(<= ULTIMATE.start_main_~i~4 32), 35951#(<= ULTIMATE.start_main_~i~4 33), 35952#(<= ULTIMATE.start_main_~i~4 34), 35953#(<= ULTIMATE.start_main_~i~4 35), 35954#(<= ULTIMATE.start_main_~i~4 36), 35955#(<= ULTIMATE.start_main_~i~4 37), 35956#(<= ULTIMATE.start_main_~i~4 38), 35957#(<= ULTIMATE.start_main_~i~4 39), 35958#(<= ULTIMATE.start_main_~i~4 40), 35959#(<= ULTIMATE.start_main_~i~4 41), 35960#(<= ULTIMATE.start_main_~i~4 42), 35961#(<= ULTIMATE.start_main_~i~4 43), 35962#(<= ULTIMATE.start_main_~i~4 44), 35963#(<= ULTIMATE.start_main_~i~4 45), 35964#(<= ULTIMATE.start_main_~i~4 46), 35965#(<= ULTIMATE.start_main_~i~4 47), 35966#(<= ULTIMATE.start_main_~i~4 48), 35967#(<= ULTIMATE.start_main_~i~4 49)] [2018-07-23 13:43:29,771 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 13:43:29,771 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:43:29,772 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:43:29,772 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:43:29,772 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 89 states. [2018-07-23 13:43:29,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:29,839 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:43:29,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:43:29,839 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 176 [2018-07-23 13:43:29,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:29,840 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:43:29,840 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:43:29,841 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 13:43:29,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:43:29,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:43:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:43:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:43:29,846 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:43:29,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:29,846 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:43:29,846 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:43:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:43:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:43:29,847 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:29,847 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:43:29,847 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:29,848 INFO L82 PathProgramCache]: Analyzing trace with hash -32307843, now seen corresponding path program 87 times [2018-07-23 13:43:29,848 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:30,225 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 13:43:30,225 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:30,226 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:43:30,226 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:30,227 INFO L185 omatonBuilderFactory]: Interpolants [36736#(<= ULTIMATE.start_main_~i~4 9), 36737#(<= ULTIMATE.start_main_~i~4 10), 36738#(<= ULTIMATE.start_main_~i~4 11), 36739#(<= ULTIMATE.start_main_~i~4 12), 36740#(<= ULTIMATE.start_main_~i~4 13), 36741#(<= ULTIMATE.start_main_~i~4 14), 36742#(<= ULTIMATE.start_main_~i~4 15), 36743#(<= ULTIMATE.start_main_~i~4 16), 36744#(<= ULTIMATE.start_main_~i~4 17), 36745#(<= ULTIMATE.start_main_~i~4 18), 36746#(<= ULTIMATE.start_main_~i~4 19), 36747#(<= ULTIMATE.start_main_~i~4 20), 36748#(<= ULTIMATE.start_main_~i~4 21), 36749#(<= ULTIMATE.start_main_~i~4 22), 36750#(<= ULTIMATE.start_main_~i~4 23), 36751#(<= ULTIMATE.start_main_~i~4 24), 36752#(<= ULTIMATE.start_main_~i~4 25), 36753#(<= ULTIMATE.start_main_~i~4 26), 36754#(<= ULTIMATE.start_main_~i~4 27), 36755#(<= ULTIMATE.start_main_~i~4 28), 36756#(<= ULTIMATE.start_main_~i~4 29), 36757#(<= ULTIMATE.start_main_~i~4 30), 36758#(<= ULTIMATE.start_main_~i~4 31), 36759#(<= ULTIMATE.start_main_~i~4 32), 36760#(<= ULTIMATE.start_main_~i~4 33), 36761#(<= ULTIMATE.start_main_~i~4 34), 36762#(<= ULTIMATE.start_main_~i~4 35), 36763#(<= ULTIMATE.start_main_~i~4 36), 36764#(<= ULTIMATE.start_main_~i~4 37), 36765#(<= ULTIMATE.start_main_~i~4 38), 36766#(<= ULTIMATE.start_main_~i~4 39), 36767#(<= ULTIMATE.start_main_~i~4 40), 36768#(<= ULTIMATE.start_main_~i~4 41), 36769#(<= ULTIMATE.start_main_~i~4 42), 36770#(<= ULTIMATE.start_main_~i~4 43), 36771#(<= ULTIMATE.start_main_~i~4 44), 36772#(<= ULTIMATE.start_main_~i~4 45), 36773#(<= ULTIMATE.start_main_~i~4 46), 36774#(<= ULTIMATE.start_main_~i~4 47), 36775#(<= ULTIMATE.start_main_~i~4 48), 36776#(<= ULTIMATE.start_main_~i~4 49), 36777#(<= ULTIMATE.start_main_~i~4 50), 36778#(<= ULTIMATE.start_main_~i~4 51), 36779#(<= ULTIMATE.start_main_~i~4 52), 36780#(<= ULTIMATE.start_main_~i~4 53), 36781#(<= ULTIMATE.start_main_~i~4 54), 36782#(<= ULTIMATE.start_main_~i~4 55), 36783#(<= ULTIMATE.start_main_~i~4 56), 36784#(<= ULTIMATE.start_main_~i~4 57), 36785#(<= ULTIMATE.start_main_~i~4 58), 36786#(<= ULTIMATE.start_main_~i~4 59), 36787#(<= ULTIMATE.start_main_~i~4 60), 36788#(<= ULTIMATE.start_main_~i~4 61), 36789#(<= ULTIMATE.start_main_~i~4 62), 36790#(<= ULTIMATE.start_main_~i~4 63), 36791#(<= ULTIMATE.start_main_~i~4 64), 36792#(<= ULTIMATE.start_main_~i~4 65), 36793#(<= ULTIMATE.start_main_~i~4 66), 36794#(<= ULTIMATE.start_main_~i~4 67), 36795#(<= ULTIMATE.start_main_~i~4 68), 36796#(<= ULTIMATE.start_main_~i~4 69), 36797#(<= ULTIMATE.start_main_~i~4 70), 36798#(<= ULTIMATE.start_main_~i~4 71), 36799#(<= ULTIMATE.start_main_~i~4 72), 36800#(<= ULTIMATE.start_main_~i~4 73), 36801#(<= ULTIMATE.start_main_~i~4 74), 36802#(<= ULTIMATE.start_main_~i~4 75), 36803#(<= ULTIMATE.start_main_~i~4 76), 36804#(<= ULTIMATE.start_main_~i~4 77), 36805#(<= ULTIMATE.start_main_~i~4 78), 36806#(<= ULTIMATE.start_main_~i~4 79), 36807#(<= ULTIMATE.start_main_~i~4 80), 36808#(<= ULTIMATE.start_main_~i~4 81), 36809#(<= ULTIMATE.start_main_~i~4 82), 36810#(<= ULTIMATE.start_main_~i~4 83), 36811#(<= ULTIMATE.start_main_~i~4 84), 36812#(<= ULTIMATE.start_main_~i~4 85), 36813#(<= ULTIMATE.start_main_~i~4 86), 36814#(<= ULTIMATE.start_main_~i~4 87), 36725#true, 36726#false, 36727#(<= ULTIMATE.start_main_~i~4 0), 36728#(<= ULTIMATE.start_main_~i~4 1), 36729#(<= ULTIMATE.start_main_~i~4 2), 36730#(<= ULTIMATE.start_main_~i~4 3), 36731#(<= ULTIMATE.start_main_~i~4 4), 36732#(<= ULTIMATE.start_main_~i~4 5), 36733#(<= ULTIMATE.start_main_~i~4 6), 36734#(<= ULTIMATE.start_main_~i~4 7), 36735#(<= ULTIMATE.start_main_~i~4 8)] [2018-07-23 13:43:30,227 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 13:43:30,228 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:43:30,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:43:30,229 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:43:30,230 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 90 states. [2018-07-23 13:43:30,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:30,378 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:43:30,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:43:30,378 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 178 [2018-07-23 13:43:30,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:30,379 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:43:30,380 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:43:30,381 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 13:43:30,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:43:30,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:43:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:43:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:43:30,387 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:43:30,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:30,387 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:43:30,387 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:43:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:43:30,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:43:30,389 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:30,389 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:43:30,389 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:30,389 INFO L82 PathProgramCache]: Analyzing trace with hash -983013961, now seen corresponding path program 88 times [2018-07-23 13:43:30,390 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:30,746 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 13:43:30,747 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:30,747 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:43:30,747 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:30,748 INFO L185 omatonBuilderFactory]: Interpolants [37632#(<= ULTIMATE.start_main_~i~4 87), 37633#(<= ULTIMATE.start_main_~i~4 88), 37543#true, 37544#false, 37545#(<= ULTIMATE.start_main_~i~4 0), 37546#(<= ULTIMATE.start_main_~i~4 1), 37547#(<= ULTIMATE.start_main_~i~4 2), 37548#(<= ULTIMATE.start_main_~i~4 3), 37549#(<= ULTIMATE.start_main_~i~4 4), 37550#(<= ULTIMATE.start_main_~i~4 5), 37551#(<= ULTIMATE.start_main_~i~4 6), 37552#(<= ULTIMATE.start_main_~i~4 7), 37553#(<= ULTIMATE.start_main_~i~4 8), 37554#(<= ULTIMATE.start_main_~i~4 9), 37555#(<= ULTIMATE.start_main_~i~4 10), 37556#(<= ULTIMATE.start_main_~i~4 11), 37557#(<= ULTIMATE.start_main_~i~4 12), 37558#(<= ULTIMATE.start_main_~i~4 13), 37559#(<= ULTIMATE.start_main_~i~4 14), 37560#(<= ULTIMATE.start_main_~i~4 15), 37561#(<= ULTIMATE.start_main_~i~4 16), 37562#(<= ULTIMATE.start_main_~i~4 17), 37563#(<= ULTIMATE.start_main_~i~4 18), 37564#(<= ULTIMATE.start_main_~i~4 19), 37565#(<= ULTIMATE.start_main_~i~4 20), 37566#(<= ULTIMATE.start_main_~i~4 21), 37567#(<= ULTIMATE.start_main_~i~4 22), 37568#(<= ULTIMATE.start_main_~i~4 23), 37569#(<= ULTIMATE.start_main_~i~4 24), 37570#(<= ULTIMATE.start_main_~i~4 25), 37571#(<= ULTIMATE.start_main_~i~4 26), 37572#(<= ULTIMATE.start_main_~i~4 27), 37573#(<= ULTIMATE.start_main_~i~4 28), 37574#(<= ULTIMATE.start_main_~i~4 29), 37575#(<= ULTIMATE.start_main_~i~4 30), 37576#(<= ULTIMATE.start_main_~i~4 31), 37577#(<= ULTIMATE.start_main_~i~4 32), 37578#(<= ULTIMATE.start_main_~i~4 33), 37579#(<= ULTIMATE.start_main_~i~4 34), 37580#(<= ULTIMATE.start_main_~i~4 35), 37581#(<= ULTIMATE.start_main_~i~4 36), 37582#(<= ULTIMATE.start_main_~i~4 37), 37583#(<= ULTIMATE.start_main_~i~4 38), 37584#(<= ULTIMATE.start_main_~i~4 39), 37585#(<= ULTIMATE.start_main_~i~4 40), 37586#(<= ULTIMATE.start_main_~i~4 41), 37587#(<= ULTIMATE.start_main_~i~4 42), 37588#(<= ULTIMATE.start_main_~i~4 43), 37589#(<= ULTIMATE.start_main_~i~4 44), 37590#(<= ULTIMATE.start_main_~i~4 45), 37591#(<= ULTIMATE.start_main_~i~4 46), 37592#(<= ULTIMATE.start_main_~i~4 47), 37593#(<= ULTIMATE.start_main_~i~4 48), 37594#(<= ULTIMATE.start_main_~i~4 49), 37595#(<= ULTIMATE.start_main_~i~4 50), 37596#(<= ULTIMATE.start_main_~i~4 51), 37597#(<= ULTIMATE.start_main_~i~4 52), 37598#(<= ULTIMATE.start_main_~i~4 53), 37599#(<= ULTIMATE.start_main_~i~4 54), 37600#(<= ULTIMATE.start_main_~i~4 55), 37601#(<= ULTIMATE.start_main_~i~4 56), 37602#(<= ULTIMATE.start_main_~i~4 57), 37603#(<= ULTIMATE.start_main_~i~4 58), 37604#(<= ULTIMATE.start_main_~i~4 59), 37605#(<= ULTIMATE.start_main_~i~4 60), 37606#(<= ULTIMATE.start_main_~i~4 61), 37607#(<= ULTIMATE.start_main_~i~4 62), 37608#(<= ULTIMATE.start_main_~i~4 63), 37609#(<= ULTIMATE.start_main_~i~4 64), 37610#(<= ULTIMATE.start_main_~i~4 65), 37611#(<= ULTIMATE.start_main_~i~4 66), 37612#(<= ULTIMATE.start_main_~i~4 67), 37613#(<= ULTIMATE.start_main_~i~4 68), 37614#(<= ULTIMATE.start_main_~i~4 69), 37615#(<= ULTIMATE.start_main_~i~4 70), 37616#(<= ULTIMATE.start_main_~i~4 71), 37617#(<= ULTIMATE.start_main_~i~4 72), 37618#(<= ULTIMATE.start_main_~i~4 73), 37619#(<= ULTIMATE.start_main_~i~4 74), 37620#(<= ULTIMATE.start_main_~i~4 75), 37621#(<= ULTIMATE.start_main_~i~4 76), 37622#(<= ULTIMATE.start_main_~i~4 77), 37623#(<= ULTIMATE.start_main_~i~4 78), 37624#(<= ULTIMATE.start_main_~i~4 79), 37625#(<= ULTIMATE.start_main_~i~4 80), 37626#(<= ULTIMATE.start_main_~i~4 81), 37627#(<= ULTIMATE.start_main_~i~4 82), 37628#(<= ULTIMATE.start_main_~i~4 83), 37629#(<= ULTIMATE.start_main_~i~4 84), 37630#(<= ULTIMATE.start_main_~i~4 85), 37631#(<= ULTIMATE.start_main_~i~4 86)] [2018-07-23 13:43:30,748 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 13:43:30,748 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:43:30,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:43:30,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:43:30,750 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 91 states. [2018-07-23 13:43:30,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:30,859 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:43:30,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:43:30,859 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 180 [2018-07-23 13:43:30,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:30,860 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:43:30,860 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:43:30,861 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 13:43:30,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:43:30,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:43:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:43:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:43:30,866 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:43:30,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:30,866 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:43:30,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:43:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:43:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:43:30,867 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:30,867 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:43:30,868 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:30,868 INFO L82 PathProgramCache]: Analyzing trace with hash 216440689, now seen corresponding path program 89 times [2018-07-23 13:43:30,868 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,141 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 13:43:31,141 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,142 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:43:31,142 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,142 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= ULTIMATE.start_main_~i~4 28), 38401#(<= ULTIMATE.start_main_~i~4 29), 38402#(<= ULTIMATE.start_main_~i~4 30), 38403#(<= ULTIMATE.start_main_~i~4 31), 38404#(<= ULTIMATE.start_main_~i~4 32), 38405#(<= ULTIMATE.start_main_~i~4 33), 38406#(<= ULTIMATE.start_main_~i~4 34), 38407#(<= ULTIMATE.start_main_~i~4 35), 38408#(<= ULTIMATE.start_main_~i~4 36), 38409#(<= ULTIMATE.start_main_~i~4 37), 38410#(<= ULTIMATE.start_main_~i~4 38), 38411#(<= ULTIMATE.start_main_~i~4 39), 38412#(<= ULTIMATE.start_main_~i~4 40), 38413#(<= ULTIMATE.start_main_~i~4 41), 38414#(<= ULTIMATE.start_main_~i~4 42), 38415#(<= ULTIMATE.start_main_~i~4 43), 38416#(<= ULTIMATE.start_main_~i~4 44), 38417#(<= ULTIMATE.start_main_~i~4 45), 38418#(<= ULTIMATE.start_main_~i~4 46), 38419#(<= ULTIMATE.start_main_~i~4 47), 38420#(<= ULTIMATE.start_main_~i~4 48), 38421#(<= ULTIMATE.start_main_~i~4 49), 38422#(<= ULTIMATE.start_main_~i~4 50), 38423#(<= ULTIMATE.start_main_~i~4 51), 38424#(<= ULTIMATE.start_main_~i~4 52), 38425#(<= ULTIMATE.start_main_~i~4 53), 38426#(<= ULTIMATE.start_main_~i~4 54), 38427#(<= ULTIMATE.start_main_~i~4 55), 38428#(<= ULTIMATE.start_main_~i~4 56), 38429#(<= ULTIMATE.start_main_~i~4 57), 38430#(<= ULTIMATE.start_main_~i~4 58), 38431#(<= ULTIMATE.start_main_~i~4 59), 38432#(<= ULTIMATE.start_main_~i~4 60), 38433#(<= ULTIMATE.start_main_~i~4 61), 38434#(<= ULTIMATE.start_main_~i~4 62), 38435#(<= ULTIMATE.start_main_~i~4 63), 38436#(<= ULTIMATE.start_main_~i~4 64), 38437#(<= ULTIMATE.start_main_~i~4 65), 38438#(<= ULTIMATE.start_main_~i~4 66), 38439#(<= ULTIMATE.start_main_~i~4 67), 38440#(<= ULTIMATE.start_main_~i~4 68), 38441#(<= ULTIMATE.start_main_~i~4 69), 38442#(<= ULTIMATE.start_main_~i~4 70), 38443#(<= ULTIMATE.start_main_~i~4 71), 38444#(<= ULTIMATE.start_main_~i~4 72), 38445#(<= ULTIMATE.start_main_~i~4 73), 38446#(<= ULTIMATE.start_main_~i~4 74), 38447#(<= ULTIMATE.start_main_~i~4 75), 38448#(<= ULTIMATE.start_main_~i~4 76), 38449#(<= ULTIMATE.start_main_~i~4 77), 38450#(<= ULTIMATE.start_main_~i~4 78), 38451#(<= ULTIMATE.start_main_~i~4 79), 38452#(<= ULTIMATE.start_main_~i~4 80), 38453#(<= ULTIMATE.start_main_~i~4 81), 38454#(<= ULTIMATE.start_main_~i~4 82), 38455#(<= ULTIMATE.start_main_~i~4 83), 38456#(<= ULTIMATE.start_main_~i~4 84), 38457#(<= ULTIMATE.start_main_~i~4 85), 38458#(<= ULTIMATE.start_main_~i~4 86), 38459#(<= ULTIMATE.start_main_~i~4 87), 38460#(<= ULTIMATE.start_main_~i~4 88), 38461#(<= ULTIMATE.start_main_~i~4 89), 38370#true, 38371#false, 38372#(<= ULTIMATE.start_main_~i~4 0), 38373#(<= ULTIMATE.start_main_~i~4 1), 38374#(<= ULTIMATE.start_main_~i~4 2), 38375#(<= ULTIMATE.start_main_~i~4 3), 38376#(<= ULTIMATE.start_main_~i~4 4), 38377#(<= ULTIMATE.start_main_~i~4 5), 38378#(<= ULTIMATE.start_main_~i~4 6), 38379#(<= ULTIMATE.start_main_~i~4 7), 38380#(<= ULTIMATE.start_main_~i~4 8), 38381#(<= ULTIMATE.start_main_~i~4 9), 38382#(<= ULTIMATE.start_main_~i~4 10), 38383#(<= ULTIMATE.start_main_~i~4 11), 38384#(<= ULTIMATE.start_main_~i~4 12), 38385#(<= ULTIMATE.start_main_~i~4 13), 38386#(<= ULTIMATE.start_main_~i~4 14), 38387#(<= ULTIMATE.start_main_~i~4 15), 38388#(<= ULTIMATE.start_main_~i~4 16), 38389#(<= ULTIMATE.start_main_~i~4 17), 38390#(<= ULTIMATE.start_main_~i~4 18), 38391#(<= ULTIMATE.start_main_~i~4 19), 38392#(<= ULTIMATE.start_main_~i~4 20), 38393#(<= ULTIMATE.start_main_~i~4 21), 38394#(<= ULTIMATE.start_main_~i~4 22), 38395#(<= ULTIMATE.start_main_~i~4 23), 38396#(<= ULTIMATE.start_main_~i~4 24), 38397#(<= ULTIMATE.start_main_~i~4 25), 38398#(<= ULTIMATE.start_main_~i~4 26), 38399#(<= ULTIMATE.start_main_~i~4 27)] [2018-07-23 13:43:31,143 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 13:43:31,143 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:43:31,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:43:31,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:43:31,144 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 92 states. [2018-07-23 13:43:31,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:31,232 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:43:31,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:43:31,232 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 182 [2018-07-23 13:43:31,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:31,234 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:43:31,234 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:43:31,235 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:43:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:43:31,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:43:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:43:31,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:43:31,239 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:43:31,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:31,240 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:43:31,240 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:43:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:43:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:43:31,241 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:31,241 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:43:31,241 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:31,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1841124011, now seen corresponding path program 90 times [2018-07-23 13:43:31,242 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,524 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 13:43:31,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:43:31,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,526 INFO L185 omatonBuilderFactory]: Interpolants [39296#(<= ULTIMATE.start_main_~i~4 88), 39297#(<= ULTIMATE.start_main_~i~4 89), 39298#(<= ULTIMATE.start_main_~i~4 90), 39206#true, 39207#false, 39208#(<= ULTIMATE.start_main_~i~4 0), 39209#(<= ULTIMATE.start_main_~i~4 1), 39210#(<= ULTIMATE.start_main_~i~4 2), 39211#(<= ULTIMATE.start_main_~i~4 3), 39212#(<= ULTIMATE.start_main_~i~4 4), 39213#(<= ULTIMATE.start_main_~i~4 5), 39214#(<= ULTIMATE.start_main_~i~4 6), 39215#(<= ULTIMATE.start_main_~i~4 7), 39216#(<= ULTIMATE.start_main_~i~4 8), 39217#(<= ULTIMATE.start_main_~i~4 9), 39218#(<= ULTIMATE.start_main_~i~4 10), 39219#(<= ULTIMATE.start_main_~i~4 11), 39220#(<= ULTIMATE.start_main_~i~4 12), 39221#(<= ULTIMATE.start_main_~i~4 13), 39222#(<= ULTIMATE.start_main_~i~4 14), 39223#(<= ULTIMATE.start_main_~i~4 15), 39224#(<= ULTIMATE.start_main_~i~4 16), 39225#(<= ULTIMATE.start_main_~i~4 17), 39226#(<= ULTIMATE.start_main_~i~4 18), 39227#(<= ULTIMATE.start_main_~i~4 19), 39228#(<= ULTIMATE.start_main_~i~4 20), 39229#(<= ULTIMATE.start_main_~i~4 21), 39230#(<= ULTIMATE.start_main_~i~4 22), 39231#(<= ULTIMATE.start_main_~i~4 23), 39232#(<= ULTIMATE.start_main_~i~4 24), 39233#(<= ULTIMATE.start_main_~i~4 25), 39234#(<= ULTIMATE.start_main_~i~4 26), 39235#(<= ULTIMATE.start_main_~i~4 27), 39236#(<= ULTIMATE.start_main_~i~4 28), 39237#(<= ULTIMATE.start_main_~i~4 29), 39238#(<= ULTIMATE.start_main_~i~4 30), 39239#(<= ULTIMATE.start_main_~i~4 31), 39240#(<= ULTIMATE.start_main_~i~4 32), 39241#(<= ULTIMATE.start_main_~i~4 33), 39242#(<= ULTIMATE.start_main_~i~4 34), 39243#(<= ULTIMATE.start_main_~i~4 35), 39244#(<= ULTIMATE.start_main_~i~4 36), 39245#(<= ULTIMATE.start_main_~i~4 37), 39246#(<= ULTIMATE.start_main_~i~4 38), 39247#(<= ULTIMATE.start_main_~i~4 39), 39248#(<= ULTIMATE.start_main_~i~4 40), 39249#(<= ULTIMATE.start_main_~i~4 41), 39250#(<= ULTIMATE.start_main_~i~4 42), 39251#(<= ULTIMATE.start_main_~i~4 43), 39252#(<= ULTIMATE.start_main_~i~4 44), 39253#(<= ULTIMATE.start_main_~i~4 45), 39254#(<= ULTIMATE.start_main_~i~4 46), 39255#(<= ULTIMATE.start_main_~i~4 47), 39256#(<= ULTIMATE.start_main_~i~4 48), 39257#(<= ULTIMATE.start_main_~i~4 49), 39258#(<= ULTIMATE.start_main_~i~4 50), 39259#(<= ULTIMATE.start_main_~i~4 51), 39260#(<= ULTIMATE.start_main_~i~4 52), 39261#(<= ULTIMATE.start_main_~i~4 53), 39262#(<= ULTIMATE.start_main_~i~4 54), 39263#(<= ULTIMATE.start_main_~i~4 55), 39264#(<= ULTIMATE.start_main_~i~4 56), 39265#(<= ULTIMATE.start_main_~i~4 57), 39266#(<= ULTIMATE.start_main_~i~4 58), 39267#(<= ULTIMATE.start_main_~i~4 59), 39268#(<= ULTIMATE.start_main_~i~4 60), 39269#(<= ULTIMATE.start_main_~i~4 61), 39270#(<= ULTIMATE.start_main_~i~4 62), 39271#(<= ULTIMATE.start_main_~i~4 63), 39272#(<= ULTIMATE.start_main_~i~4 64), 39273#(<= ULTIMATE.start_main_~i~4 65), 39274#(<= ULTIMATE.start_main_~i~4 66), 39275#(<= ULTIMATE.start_main_~i~4 67), 39276#(<= ULTIMATE.start_main_~i~4 68), 39277#(<= ULTIMATE.start_main_~i~4 69), 39278#(<= ULTIMATE.start_main_~i~4 70), 39279#(<= ULTIMATE.start_main_~i~4 71), 39280#(<= ULTIMATE.start_main_~i~4 72), 39281#(<= ULTIMATE.start_main_~i~4 73), 39282#(<= ULTIMATE.start_main_~i~4 74), 39283#(<= ULTIMATE.start_main_~i~4 75), 39284#(<= ULTIMATE.start_main_~i~4 76), 39285#(<= ULTIMATE.start_main_~i~4 77), 39286#(<= ULTIMATE.start_main_~i~4 78), 39287#(<= ULTIMATE.start_main_~i~4 79), 39288#(<= ULTIMATE.start_main_~i~4 80), 39289#(<= ULTIMATE.start_main_~i~4 81), 39290#(<= ULTIMATE.start_main_~i~4 82), 39291#(<= ULTIMATE.start_main_~i~4 83), 39292#(<= ULTIMATE.start_main_~i~4 84), 39293#(<= ULTIMATE.start_main_~i~4 85), 39294#(<= ULTIMATE.start_main_~i~4 86), 39295#(<= ULTIMATE.start_main_~i~4 87)] [2018-07-23 13:43:31,526 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 13:43:31,527 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:43:31,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:43:31,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:43:31,528 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 93 states. [2018-07-23 13:43:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:31,638 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:43:31,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:43:31,638 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 184 [2018-07-23 13:43:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:31,639 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:43:31,639 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:43:31,640 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 13:43:31,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:43:31,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:43:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:43:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:43:31,644 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:43:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:31,644 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:43:31,645 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:43:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:43:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:43:31,646 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:31,646 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:43:31,646 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:31,646 INFO L82 PathProgramCache]: Analyzing trace with hash -206299291, now seen corresponding path program 91 times [2018-07-23 13:43:31,646 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,916 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 13:43:31,916 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,916 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:43:31,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,917 INFO L185 omatonBuilderFactory]: Interpolants [40064#(<= ULTIMATE.start_main_~i~4 11), 40065#(<= ULTIMATE.start_main_~i~4 12), 40066#(<= ULTIMATE.start_main_~i~4 13), 40067#(<= ULTIMATE.start_main_~i~4 14), 40068#(<= ULTIMATE.start_main_~i~4 15), 40069#(<= ULTIMATE.start_main_~i~4 16), 40070#(<= ULTIMATE.start_main_~i~4 17), 40071#(<= ULTIMATE.start_main_~i~4 18), 40072#(<= ULTIMATE.start_main_~i~4 19), 40073#(<= ULTIMATE.start_main_~i~4 20), 40074#(<= ULTIMATE.start_main_~i~4 21), 40075#(<= ULTIMATE.start_main_~i~4 22), 40076#(<= ULTIMATE.start_main_~i~4 23), 40077#(<= ULTIMATE.start_main_~i~4 24), 40078#(<= ULTIMATE.start_main_~i~4 25), 40079#(<= ULTIMATE.start_main_~i~4 26), 40080#(<= ULTIMATE.start_main_~i~4 27), 40081#(<= ULTIMATE.start_main_~i~4 28), 40082#(<= ULTIMATE.start_main_~i~4 29), 40083#(<= ULTIMATE.start_main_~i~4 30), 40084#(<= ULTIMATE.start_main_~i~4 31), 40085#(<= ULTIMATE.start_main_~i~4 32), 40086#(<= ULTIMATE.start_main_~i~4 33), 40087#(<= ULTIMATE.start_main_~i~4 34), 40088#(<= ULTIMATE.start_main_~i~4 35), 40089#(<= ULTIMATE.start_main_~i~4 36), 40090#(<= ULTIMATE.start_main_~i~4 37), 40091#(<= ULTIMATE.start_main_~i~4 38), 40092#(<= ULTIMATE.start_main_~i~4 39), 40093#(<= ULTIMATE.start_main_~i~4 40), 40094#(<= ULTIMATE.start_main_~i~4 41), 40095#(<= ULTIMATE.start_main_~i~4 42), 40096#(<= ULTIMATE.start_main_~i~4 43), 40097#(<= ULTIMATE.start_main_~i~4 44), 40098#(<= ULTIMATE.start_main_~i~4 45), 40099#(<= ULTIMATE.start_main_~i~4 46), 40100#(<= ULTIMATE.start_main_~i~4 47), 40101#(<= ULTIMATE.start_main_~i~4 48), 40102#(<= ULTIMATE.start_main_~i~4 49), 40103#(<= ULTIMATE.start_main_~i~4 50), 40104#(<= ULTIMATE.start_main_~i~4 51), 40105#(<= ULTIMATE.start_main_~i~4 52), 40106#(<= ULTIMATE.start_main_~i~4 53), 40107#(<= ULTIMATE.start_main_~i~4 54), 40108#(<= ULTIMATE.start_main_~i~4 55), 40109#(<= ULTIMATE.start_main_~i~4 56), 40110#(<= ULTIMATE.start_main_~i~4 57), 40111#(<= ULTIMATE.start_main_~i~4 58), 40112#(<= ULTIMATE.start_main_~i~4 59), 40113#(<= ULTIMATE.start_main_~i~4 60), 40114#(<= ULTIMATE.start_main_~i~4 61), 40115#(<= ULTIMATE.start_main_~i~4 62), 40116#(<= ULTIMATE.start_main_~i~4 63), 40117#(<= ULTIMATE.start_main_~i~4 64), 40118#(<= ULTIMATE.start_main_~i~4 65), 40119#(<= ULTIMATE.start_main_~i~4 66), 40120#(<= ULTIMATE.start_main_~i~4 67), 40121#(<= ULTIMATE.start_main_~i~4 68), 40122#(<= ULTIMATE.start_main_~i~4 69), 40123#(<= ULTIMATE.start_main_~i~4 70), 40124#(<= ULTIMATE.start_main_~i~4 71), 40125#(<= ULTIMATE.start_main_~i~4 72), 40126#(<= ULTIMATE.start_main_~i~4 73), 40127#(<= ULTIMATE.start_main_~i~4 74), 40128#(<= ULTIMATE.start_main_~i~4 75), 40129#(<= ULTIMATE.start_main_~i~4 76), 40130#(<= ULTIMATE.start_main_~i~4 77), 40131#(<= ULTIMATE.start_main_~i~4 78), 40132#(<= ULTIMATE.start_main_~i~4 79), 40133#(<= ULTIMATE.start_main_~i~4 80), 40134#(<= ULTIMATE.start_main_~i~4 81), 40135#(<= ULTIMATE.start_main_~i~4 82), 40136#(<= ULTIMATE.start_main_~i~4 83), 40137#(<= ULTIMATE.start_main_~i~4 84), 40138#(<= ULTIMATE.start_main_~i~4 85), 40139#(<= ULTIMATE.start_main_~i~4 86), 40140#(<= ULTIMATE.start_main_~i~4 87), 40141#(<= ULTIMATE.start_main_~i~4 88), 40142#(<= ULTIMATE.start_main_~i~4 89), 40143#(<= ULTIMATE.start_main_~i~4 90), 40144#(<= ULTIMATE.start_main_~i~4 91), 40051#true, 40052#false, 40053#(<= ULTIMATE.start_main_~i~4 0), 40054#(<= ULTIMATE.start_main_~i~4 1), 40055#(<= ULTIMATE.start_main_~i~4 2), 40056#(<= ULTIMATE.start_main_~i~4 3), 40057#(<= ULTIMATE.start_main_~i~4 4), 40058#(<= ULTIMATE.start_main_~i~4 5), 40059#(<= ULTIMATE.start_main_~i~4 6), 40060#(<= ULTIMATE.start_main_~i~4 7), 40061#(<= ULTIMATE.start_main_~i~4 8), 40062#(<= ULTIMATE.start_main_~i~4 9), 40063#(<= ULTIMATE.start_main_~i~4 10)] [2018-07-23 13:43:31,918 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 13:43:31,918 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:43:31,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:43:31,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:43:31,920 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 94 states. [2018-07-23 13:43:32,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:32,052 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:43:32,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:43:32,053 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 186 [2018-07-23 13:43:32,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:32,054 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:43:32,054 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:43:32,055 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:43:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:43:32,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:43:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:43:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:43:32,059 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:43:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:32,060 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:43:32,060 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:43:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:43:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:43:32,061 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:32,061 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:43:32,061 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:32,061 INFO L82 PathProgramCache]: Analyzing trace with hash -685070945, now seen corresponding path program 92 times [2018-07-23 13:43:32,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:32,340 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 13:43:32,340 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:32,340 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:43:32,341 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:32,341 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= ULTIMATE.start_main_~i~4 53), 40961#(<= ULTIMATE.start_main_~i~4 54), 40962#(<= ULTIMATE.start_main_~i~4 55), 40963#(<= ULTIMATE.start_main_~i~4 56), 40964#(<= ULTIMATE.start_main_~i~4 57), 40965#(<= ULTIMATE.start_main_~i~4 58), 40966#(<= ULTIMATE.start_main_~i~4 59), 40967#(<= ULTIMATE.start_main_~i~4 60), 40968#(<= ULTIMATE.start_main_~i~4 61), 40969#(<= ULTIMATE.start_main_~i~4 62), 40970#(<= ULTIMATE.start_main_~i~4 63), 40971#(<= ULTIMATE.start_main_~i~4 64), 40972#(<= ULTIMATE.start_main_~i~4 65), 40973#(<= ULTIMATE.start_main_~i~4 66), 40974#(<= ULTIMATE.start_main_~i~4 67), 40975#(<= ULTIMATE.start_main_~i~4 68), 40976#(<= ULTIMATE.start_main_~i~4 69), 40977#(<= ULTIMATE.start_main_~i~4 70), 40978#(<= ULTIMATE.start_main_~i~4 71), 40979#(<= ULTIMATE.start_main_~i~4 72), 40980#(<= ULTIMATE.start_main_~i~4 73), 40981#(<= ULTIMATE.start_main_~i~4 74), 40982#(<= ULTIMATE.start_main_~i~4 75), 40983#(<= ULTIMATE.start_main_~i~4 76), 40984#(<= ULTIMATE.start_main_~i~4 77), 40985#(<= ULTIMATE.start_main_~i~4 78), 40986#(<= ULTIMATE.start_main_~i~4 79), 40987#(<= ULTIMATE.start_main_~i~4 80), 40988#(<= ULTIMATE.start_main_~i~4 81), 40989#(<= ULTIMATE.start_main_~i~4 82), 40990#(<= ULTIMATE.start_main_~i~4 83), 40991#(<= ULTIMATE.start_main_~i~4 84), 40992#(<= ULTIMATE.start_main_~i~4 85), 40993#(<= ULTIMATE.start_main_~i~4 86), 40994#(<= ULTIMATE.start_main_~i~4 87), 40995#(<= ULTIMATE.start_main_~i~4 88), 40996#(<= ULTIMATE.start_main_~i~4 89), 40997#(<= ULTIMATE.start_main_~i~4 90), 40998#(<= ULTIMATE.start_main_~i~4 91), 40999#(<= ULTIMATE.start_main_~i~4 92), 40905#true, 40906#false, 40907#(<= ULTIMATE.start_main_~i~4 0), 40908#(<= ULTIMATE.start_main_~i~4 1), 40909#(<= ULTIMATE.start_main_~i~4 2), 40910#(<= ULTIMATE.start_main_~i~4 3), 40911#(<= ULTIMATE.start_main_~i~4 4), 40912#(<= ULTIMATE.start_main_~i~4 5), 40913#(<= ULTIMATE.start_main_~i~4 6), 40914#(<= ULTIMATE.start_main_~i~4 7), 40915#(<= ULTIMATE.start_main_~i~4 8), 40916#(<= ULTIMATE.start_main_~i~4 9), 40917#(<= ULTIMATE.start_main_~i~4 10), 40918#(<= ULTIMATE.start_main_~i~4 11), 40919#(<= ULTIMATE.start_main_~i~4 12), 40920#(<= ULTIMATE.start_main_~i~4 13), 40921#(<= ULTIMATE.start_main_~i~4 14), 40922#(<= ULTIMATE.start_main_~i~4 15), 40923#(<= ULTIMATE.start_main_~i~4 16), 40924#(<= ULTIMATE.start_main_~i~4 17), 40925#(<= ULTIMATE.start_main_~i~4 18), 40926#(<= ULTIMATE.start_main_~i~4 19), 40927#(<= ULTIMATE.start_main_~i~4 20), 40928#(<= ULTIMATE.start_main_~i~4 21), 40929#(<= ULTIMATE.start_main_~i~4 22), 40930#(<= ULTIMATE.start_main_~i~4 23), 40931#(<= ULTIMATE.start_main_~i~4 24), 40932#(<= ULTIMATE.start_main_~i~4 25), 40933#(<= ULTIMATE.start_main_~i~4 26), 40934#(<= ULTIMATE.start_main_~i~4 27), 40935#(<= ULTIMATE.start_main_~i~4 28), 40936#(<= ULTIMATE.start_main_~i~4 29), 40937#(<= ULTIMATE.start_main_~i~4 30), 40938#(<= ULTIMATE.start_main_~i~4 31), 40939#(<= ULTIMATE.start_main_~i~4 32), 40940#(<= ULTIMATE.start_main_~i~4 33), 40941#(<= ULTIMATE.start_main_~i~4 34), 40942#(<= ULTIMATE.start_main_~i~4 35), 40943#(<= ULTIMATE.start_main_~i~4 36), 40944#(<= ULTIMATE.start_main_~i~4 37), 40945#(<= ULTIMATE.start_main_~i~4 38), 40946#(<= ULTIMATE.start_main_~i~4 39), 40947#(<= ULTIMATE.start_main_~i~4 40), 40948#(<= ULTIMATE.start_main_~i~4 41), 40949#(<= ULTIMATE.start_main_~i~4 42), 40950#(<= ULTIMATE.start_main_~i~4 43), 40951#(<= ULTIMATE.start_main_~i~4 44), 40952#(<= ULTIMATE.start_main_~i~4 45), 40953#(<= ULTIMATE.start_main_~i~4 46), 40954#(<= ULTIMATE.start_main_~i~4 47), 40955#(<= ULTIMATE.start_main_~i~4 48), 40956#(<= ULTIMATE.start_main_~i~4 49), 40957#(<= ULTIMATE.start_main_~i~4 50), 40958#(<= ULTIMATE.start_main_~i~4 51), 40959#(<= ULTIMATE.start_main_~i~4 52)] [2018-07-23 13:43:32,342 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 13:43:32,342 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:43:32,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:43:32,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:43:32,344 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 95 states. [2018-07-23 13:43:32,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:32,408 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:43:32,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:43:32,408 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 188 [2018-07-23 13:43:32,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:32,409 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:43:32,409 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:43:32,410 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 13:43:32,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:43:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:43:32,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:43:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:43:32,413 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:43:32,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:32,414 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:43:32,414 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:43:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:43:32,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:43:32,415 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:32,415 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:43:32,415 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:32,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1223129767, now seen corresponding path program 93 times [2018-07-23 13:43:32,415 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:32,678 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 13:43:32,678 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:32,679 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:43:32,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:32,679 INFO L185 omatonBuilderFactory]: Interpolants [41856#(<= ULTIMATE.start_main_~i~4 86), 41857#(<= ULTIMATE.start_main_~i~4 87), 41858#(<= ULTIMATE.start_main_~i~4 88), 41859#(<= ULTIMATE.start_main_~i~4 89), 41860#(<= ULTIMATE.start_main_~i~4 90), 41861#(<= ULTIMATE.start_main_~i~4 91), 41862#(<= ULTIMATE.start_main_~i~4 92), 41863#(<= ULTIMATE.start_main_~i~4 93), 41768#true, 41769#false, 41770#(<= ULTIMATE.start_main_~i~4 0), 41771#(<= ULTIMATE.start_main_~i~4 1), 41772#(<= ULTIMATE.start_main_~i~4 2), 41773#(<= ULTIMATE.start_main_~i~4 3), 41774#(<= ULTIMATE.start_main_~i~4 4), 41775#(<= ULTIMATE.start_main_~i~4 5), 41776#(<= ULTIMATE.start_main_~i~4 6), 41777#(<= ULTIMATE.start_main_~i~4 7), 41778#(<= ULTIMATE.start_main_~i~4 8), 41779#(<= ULTIMATE.start_main_~i~4 9), 41780#(<= ULTIMATE.start_main_~i~4 10), 41781#(<= ULTIMATE.start_main_~i~4 11), 41782#(<= ULTIMATE.start_main_~i~4 12), 41783#(<= ULTIMATE.start_main_~i~4 13), 41784#(<= ULTIMATE.start_main_~i~4 14), 41785#(<= ULTIMATE.start_main_~i~4 15), 41786#(<= ULTIMATE.start_main_~i~4 16), 41787#(<= ULTIMATE.start_main_~i~4 17), 41788#(<= ULTIMATE.start_main_~i~4 18), 41789#(<= ULTIMATE.start_main_~i~4 19), 41790#(<= ULTIMATE.start_main_~i~4 20), 41791#(<= ULTIMATE.start_main_~i~4 21), 41792#(<= ULTIMATE.start_main_~i~4 22), 41793#(<= ULTIMATE.start_main_~i~4 23), 41794#(<= ULTIMATE.start_main_~i~4 24), 41795#(<= ULTIMATE.start_main_~i~4 25), 41796#(<= ULTIMATE.start_main_~i~4 26), 41797#(<= ULTIMATE.start_main_~i~4 27), 41798#(<= ULTIMATE.start_main_~i~4 28), 41799#(<= ULTIMATE.start_main_~i~4 29), 41800#(<= ULTIMATE.start_main_~i~4 30), 41801#(<= ULTIMATE.start_main_~i~4 31), 41802#(<= ULTIMATE.start_main_~i~4 32), 41803#(<= ULTIMATE.start_main_~i~4 33), 41804#(<= ULTIMATE.start_main_~i~4 34), 41805#(<= ULTIMATE.start_main_~i~4 35), 41806#(<= ULTIMATE.start_main_~i~4 36), 41807#(<= ULTIMATE.start_main_~i~4 37), 41808#(<= ULTIMATE.start_main_~i~4 38), 41809#(<= ULTIMATE.start_main_~i~4 39), 41810#(<= ULTIMATE.start_main_~i~4 40), 41811#(<= ULTIMATE.start_main_~i~4 41), 41812#(<= ULTIMATE.start_main_~i~4 42), 41813#(<= ULTIMATE.start_main_~i~4 43), 41814#(<= ULTIMATE.start_main_~i~4 44), 41815#(<= ULTIMATE.start_main_~i~4 45), 41816#(<= ULTIMATE.start_main_~i~4 46), 41817#(<= ULTIMATE.start_main_~i~4 47), 41818#(<= ULTIMATE.start_main_~i~4 48), 41819#(<= ULTIMATE.start_main_~i~4 49), 41820#(<= ULTIMATE.start_main_~i~4 50), 41821#(<= ULTIMATE.start_main_~i~4 51), 41822#(<= ULTIMATE.start_main_~i~4 52), 41823#(<= ULTIMATE.start_main_~i~4 53), 41824#(<= ULTIMATE.start_main_~i~4 54), 41825#(<= ULTIMATE.start_main_~i~4 55), 41826#(<= ULTIMATE.start_main_~i~4 56), 41827#(<= ULTIMATE.start_main_~i~4 57), 41828#(<= ULTIMATE.start_main_~i~4 58), 41829#(<= ULTIMATE.start_main_~i~4 59), 41830#(<= ULTIMATE.start_main_~i~4 60), 41831#(<= ULTIMATE.start_main_~i~4 61), 41832#(<= ULTIMATE.start_main_~i~4 62), 41833#(<= ULTIMATE.start_main_~i~4 63), 41834#(<= ULTIMATE.start_main_~i~4 64), 41835#(<= ULTIMATE.start_main_~i~4 65), 41836#(<= ULTIMATE.start_main_~i~4 66), 41837#(<= ULTIMATE.start_main_~i~4 67), 41838#(<= ULTIMATE.start_main_~i~4 68), 41839#(<= ULTIMATE.start_main_~i~4 69), 41840#(<= ULTIMATE.start_main_~i~4 70), 41841#(<= ULTIMATE.start_main_~i~4 71), 41842#(<= ULTIMATE.start_main_~i~4 72), 41843#(<= ULTIMATE.start_main_~i~4 73), 41844#(<= ULTIMATE.start_main_~i~4 74), 41845#(<= ULTIMATE.start_main_~i~4 75), 41846#(<= ULTIMATE.start_main_~i~4 76), 41847#(<= ULTIMATE.start_main_~i~4 77), 41848#(<= ULTIMATE.start_main_~i~4 78), 41849#(<= ULTIMATE.start_main_~i~4 79), 41850#(<= ULTIMATE.start_main_~i~4 80), 41851#(<= ULTIMATE.start_main_~i~4 81), 41852#(<= ULTIMATE.start_main_~i~4 82), 41853#(<= ULTIMATE.start_main_~i~4 83), 41854#(<= ULTIMATE.start_main_~i~4 84), 41855#(<= ULTIMATE.start_main_~i~4 85)] [2018-07-23 13:43:32,680 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 13:43:32,680 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:43:32,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:43:32,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:43:32,682 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 96 states. [2018-07-23 13:43:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:32,791 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:43:32,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:43:32,792 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 190 [2018-07-23 13:43:32,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:32,793 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:43:32,793 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:43:32,793 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:43:32,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:43:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:43:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:43:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:43:32,798 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:43:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:32,798 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:43:32,798 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:43:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:43:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:43:32,799 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:32,799 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:43:32,799 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:32,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1393385107, now seen corresponding path program 94 times [2018-07-23 13:43:32,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:33,102 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 13:43:33,102 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:33,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:43:33,103 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:33,103 INFO L185 omatonBuilderFactory]: Interpolants [42640#true, 42641#false, 42642#(<= ULTIMATE.start_main_~i~4 0), 42643#(<= ULTIMATE.start_main_~i~4 1), 42644#(<= ULTIMATE.start_main_~i~4 2), 42645#(<= ULTIMATE.start_main_~i~4 3), 42646#(<= ULTIMATE.start_main_~i~4 4), 42647#(<= ULTIMATE.start_main_~i~4 5), 42648#(<= ULTIMATE.start_main_~i~4 6), 42649#(<= ULTIMATE.start_main_~i~4 7), 42650#(<= ULTIMATE.start_main_~i~4 8), 42651#(<= ULTIMATE.start_main_~i~4 9), 42652#(<= ULTIMATE.start_main_~i~4 10), 42653#(<= ULTIMATE.start_main_~i~4 11), 42654#(<= ULTIMATE.start_main_~i~4 12), 42655#(<= ULTIMATE.start_main_~i~4 13), 42656#(<= ULTIMATE.start_main_~i~4 14), 42657#(<= ULTIMATE.start_main_~i~4 15), 42658#(<= ULTIMATE.start_main_~i~4 16), 42659#(<= ULTIMATE.start_main_~i~4 17), 42660#(<= ULTIMATE.start_main_~i~4 18), 42661#(<= ULTIMATE.start_main_~i~4 19), 42662#(<= ULTIMATE.start_main_~i~4 20), 42663#(<= ULTIMATE.start_main_~i~4 21), 42664#(<= ULTIMATE.start_main_~i~4 22), 42665#(<= ULTIMATE.start_main_~i~4 23), 42666#(<= ULTIMATE.start_main_~i~4 24), 42667#(<= ULTIMATE.start_main_~i~4 25), 42668#(<= ULTIMATE.start_main_~i~4 26), 42669#(<= ULTIMATE.start_main_~i~4 27), 42670#(<= ULTIMATE.start_main_~i~4 28), 42671#(<= ULTIMATE.start_main_~i~4 29), 42672#(<= ULTIMATE.start_main_~i~4 30), 42673#(<= ULTIMATE.start_main_~i~4 31), 42674#(<= ULTIMATE.start_main_~i~4 32), 42675#(<= ULTIMATE.start_main_~i~4 33), 42676#(<= ULTIMATE.start_main_~i~4 34), 42677#(<= ULTIMATE.start_main_~i~4 35), 42678#(<= ULTIMATE.start_main_~i~4 36), 42679#(<= ULTIMATE.start_main_~i~4 37), 42680#(<= ULTIMATE.start_main_~i~4 38), 42681#(<= ULTIMATE.start_main_~i~4 39), 42682#(<= ULTIMATE.start_main_~i~4 40), 42683#(<= ULTIMATE.start_main_~i~4 41), 42684#(<= ULTIMATE.start_main_~i~4 42), 42685#(<= ULTIMATE.start_main_~i~4 43), 42686#(<= ULTIMATE.start_main_~i~4 44), 42687#(<= ULTIMATE.start_main_~i~4 45), 42688#(<= ULTIMATE.start_main_~i~4 46), 42689#(<= ULTIMATE.start_main_~i~4 47), 42690#(<= ULTIMATE.start_main_~i~4 48), 42691#(<= ULTIMATE.start_main_~i~4 49), 42692#(<= ULTIMATE.start_main_~i~4 50), 42693#(<= ULTIMATE.start_main_~i~4 51), 42694#(<= ULTIMATE.start_main_~i~4 52), 42695#(<= ULTIMATE.start_main_~i~4 53), 42696#(<= ULTIMATE.start_main_~i~4 54), 42697#(<= ULTIMATE.start_main_~i~4 55), 42698#(<= ULTIMATE.start_main_~i~4 56), 42699#(<= ULTIMATE.start_main_~i~4 57), 42700#(<= ULTIMATE.start_main_~i~4 58), 42701#(<= ULTIMATE.start_main_~i~4 59), 42702#(<= ULTIMATE.start_main_~i~4 60), 42703#(<= ULTIMATE.start_main_~i~4 61), 42704#(<= ULTIMATE.start_main_~i~4 62), 42705#(<= ULTIMATE.start_main_~i~4 63), 42706#(<= ULTIMATE.start_main_~i~4 64), 42707#(<= ULTIMATE.start_main_~i~4 65), 42708#(<= ULTIMATE.start_main_~i~4 66), 42709#(<= ULTIMATE.start_main_~i~4 67), 42710#(<= ULTIMATE.start_main_~i~4 68), 42711#(<= ULTIMATE.start_main_~i~4 69), 42712#(<= ULTIMATE.start_main_~i~4 70), 42713#(<= ULTIMATE.start_main_~i~4 71), 42714#(<= ULTIMATE.start_main_~i~4 72), 42715#(<= ULTIMATE.start_main_~i~4 73), 42716#(<= ULTIMATE.start_main_~i~4 74), 42717#(<= ULTIMATE.start_main_~i~4 75), 42718#(<= ULTIMATE.start_main_~i~4 76), 42719#(<= ULTIMATE.start_main_~i~4 77), 42720#(<= ULTIMATE.start_main_~i~4 78), 42721#(<= ULTIMATE.start_main_~i~4 79), 42722#(<= ULTIMATE.start_main_~i~4 80), 42723#(<= ULTIMATE.start_main_~i~4 81), 42724#(<= ULTIMATE.start_main_~i~4 82), 42725#(<= ULTIMATE.start_main_~i~4 83), 42726#(<= ULTIMATE.start_main_~i~4 84), 42727#(<= ULTIMATE.start_main_~i~4 85), 42728#(<= ULTIMATE.start_main_~i~4 86), 42729#(<= ULTIMATE.start_main_~i~4 87), 42730#(<= ULTIMATE.start_main_~i~4 88), 42731#(<= ULTIMATE.start_main_~i~4 89), 42732#(<= ULTIMATE.start_main_~i~4 90), 42733#(<= ULTIMATE.start_main_~i~4 91), 42734#(<= ULTIMATE.start_main_~i~4 92), 42735#(<= ULTIMATE.start_main_~i~4 93), 42736#(<= ULTIMATE.start_main_~i~4 94)] [2018-07-23 13:43:33,104 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 13:43:33,104 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:43:33,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:43:33,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:43:33,106 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 97 states. [2018-07-23 13:43:33,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:33,262 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:43:33,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:43:33,262 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 192 [2018-07-23 13:43:33,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:33,263 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:43:33,263 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:43:33,264 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 13:43:33,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:43:33,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:43:33,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:43:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:43:33,269 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:43:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:33,269 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:43:33,270 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:43:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:43:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:43:33,270 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:33,270 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:43:33,271 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:33,271 INFO L82 PathProgramCache]: Analyzing trace with hash -986656435, now seen corresponding path program 95 times [2018-07-23 13:43:33,271 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:33,532 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 13:43:33,532 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:33,532 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:43:33,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:33,533 INFO L185 omatonBuilderFactory]: Interpolants [43521#true, 43522#false, 43523#(<= ULTIMATE.start_main_~i~4 0), 43524#(<= ULTIMATE.start_main_~i~4 1), 43525#(<= ULTIMATE.start_main_~i~4 2), 43526#(<= ULTIMATE.start_main_~i~4 3), 43527#(<= ULTIMATE.start_main_~i~4 4), 43528#(<= ULTIMATE.start_main_~i~4 5), 43529#(<= ULTIMATE.start_main_~i~4 6), 43530#(<= ULTIMATE.start_main_~i~4 7), 43531#(<= ULTIMATE.start_main_~i~4 8), 43532#(<= ULTIMATE.start_main_~i~4 9), 43533#(<= ULTIMATE.start_main_~i~4 10), 43534#(<= ULTIMATE.start_main_~i~4 11), 43535#(<= ULTIMATE.start_main_~i~4 12), 43536#(<= ULTIMATE.start_main_~i~4 13), 43537#(<= ULTIMATE.start_main_~i~4 14), 43538#(<= ULTIMATE.start_main_~i~4 15), 43539#(<= ULTIMATE.start_main_~i~4 16), 43540#(<= ULTIMATE.start_main_~i~4 17), 43541#(<= ULTIMATE.start_main_~i~4 18), 43542#(<= ULTIMATE.start_main_~i~4 19), 43543#(<= ULTIMATE.start_main_~i~4 20), 43544#(<= ULTIMATE.start_main_~i~4 21), 43545#(<= ULTIMATE.start_main_~i~4 22), 43546#(<= ULTIMATE.start_main_~i~4 23), 43547#(<= ULTIMATE.start_main_~i~4 24), 43548#(<= ULTIMATE.start_main_~i~4 25), 43549#(<= ULTIMATE.start_main_~i~4 26), 43550#(<= ULTIMATE.start_main_~i~4 27), 43551#(<= ULTIMATE.start_main_~i~4 28), 43552#(<= ULTIMATE.start_main_~i~4 29), 43553#(<= ULTIMATE.start_main_~i~4 30), 43554#(<= ULTIMATE.start_main_~i~4 31), 43555#(<= ULTIMATE.start_main_~i~4 32), 43556#(<= ULTIMATE.start_main_~i~4 33), 43557#(<= ULTIMATE.start_main_~i~4 34), 43558#(<= ULTIMATE.start_main_~i~4 35), 43559#(<= ULTIMATE.start_main_~i~4 36), 43560#(<= ULTIMATE.start_main_~i~4 37), 43561#(<= ULTIMATE.start_main_~i~4 38), 43562#(<= ULTIMATE.start_main_~i~4 39), 43563#(<= ULTIMATE.start_main_~i~4 40), 43564#(<= ULTIMATE.start_main_~i~4 41), 43565#(<= ULTIMATE.start_main_~i~4 42), 43566#(<= ULTIMATE.start_main_~i~4 43), 43567#(<= ULTIMATE.start_main_~i~4 44), 43568#(<= ULTIMATE.start_main_~i~4 45), 43569#(<= ULTIMATE.start_main_~i~4 46), 43570#(<= ULTIMATE.start_main_~i~4 47), 43571#(<= ULTIMATE.start_main_~i~4 48), 43572#(<= ULTIMATE.start_main_~i~4 49), 43573#(<= ULTIMATE.start_main_~i~4 50), 43574#(<= ULTIMATE.start_main_~i~4 51), 43575#(<= ULTIMATE.start_main_~i~4 52), 43576#(<= ULTIMATE.start_main_~i~4 53), 43577#(<= ULTIMATE.start_main_~i~4 54), 43578#(<= ULTIMATE.start_main_~i~4 55), 43579#(<= ULTIMATE.start_main_~i~4 56), 43580#(<= ULTIMATE.start_main_~i~4 57), 43581#(<= ULTIMATE.start_main_~i~4 58), 43582#(<= ULTIMATE.start_main_~i~4 59), 43583#(<= ULTIMATE.start_main_~i~4 60), 43584#(<= ULTIMATE.start_main_~i~4 61), 43585#(<= ULTIMATE.start_main_~i~4 62), 43586#(<= ULTIMATE.start_main_~i~4 63), 43587#(<= ULTIMATE.start_main_~i~4 64), 43588#(<= ULTIMATE.start_main_~i~4 65), 43589#(<= ULTIMATE.start_main_~i~4 66), 43590#(<= ULTIMATE.start_main_~i~4 67), 43591#(<= ULTIMATE.start_main_~i~4 68), 43592#(<= ULTIMATE.start_main_~i~4 69), 43593#(<= ULTIMATE.start_main_~i~4 70), 43594#(<= ULTIMATE.start_main_~i~4 71), 43595#(<= ULTIMATE.start_main_~i~4 72), 43596#(<= ULTIMATE.start_main_~i~4 73), 43597#(<= ULTIMATE.start_main_~i~4 74), 43598#(<= ULTIMATE.start_main_~i~4 75), 43599#(<= ULTIMATE.start_main_~i~4 76), 43600#(<= ULTIMATE.start_main_~i~4 77), 43601#(<= ULTIMATE.start_main_~i~4 78), 43602#(<= ULTIMATE.start_main_~i~4 79), 43603#(<= ULTIMATE.start_main_~i~4 80), 43604#(<= ULTIMATE.start_main_~i~4 81), 43605#(<= ULTIMATE.start_main_~i~4 82), 43606#(<= ULTIMATE.start_main_~i~4 83), 43607#(<= ULTIMATE.start_main_~i~4 84), 43608#(<= ULTIMATE.start_main_~i~4 85), 43609#(<= ULTIMATE.start_main_~i~4 86), 43610#(<= ULTIMATE.start_main_~i~4 87), 43611#(<= ULTIMATE.start_main_~i~4 88), 43612#(<= ULTIMATE.start_main_~i~4 89), 43613#(<= ULTIMATE.start_main_~i~4 90), 43614#(<= ULTIMATE.start_main_~i~4 91), 43615#(<= ULTIMATE.start_main_~i~4 92), 43616#(<= ULTIMATE.start_main_~i~4 93), 43617#(<= ULTIMATE.start_main_~i~4 94), 43618#(<= ULTIMATE.start_main_~i~4 95)] [2018-07-23 13:43:33,533 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 13:43:33,534 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:43:33,534 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:43:33,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:43:33,535 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 98 states. [2018-07-23 13:43:33,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:33,698 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:43:33,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:43:33,699 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 194 [2018-07-23 13:43:33,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:33,699 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:43:33,700 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:43:33,700 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 13:43:33,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:43:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:43:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:43:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:43:33,705 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:43:33,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:33,705 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:43:33,705 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:43:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:43:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:43:33,706 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:33,706 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:43:33,706 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:33,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1010990471, now seen corresponding path program 96 times [2018-07-23 13:43:33,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:34,011 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 13:43:34,011 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:34,011 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:43:34,011 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,012 INFO L185 omatonBuilderFactory]: Interpolants [44411#true, 44412#false, 44413#(<= ULTIMATE.start_main_~i~4 0), 44414#(<= ULTIMATE.start_main_~i~4 1), 44415#(<= ULTIMATE.start_main_~i~4 2), 44416#(<= ULTIMATE.start_main_~i~4 3), 44417#(<= ULTIMATE.start_main_~i~4 4), 44418#(<= ULTIMATE.start_main_~i~4 5), 44419#(<= ULTIMATE.start_main_~i~4 6), 44420#(<= ULTIMATE.start_main_~i~4 7), 44421#(<= ULTIMATE.start_main_~i~4 8), 44422#(<= ULTIMATE.start_main_~i~4 9), 44423#(<= ULTIMATE.start_main_~i~4 10), 44424#(<= ULTIMATE.start_main_~i~4 11), 44425#(<= ULTIMATE.start_main_~i~4 12), 44426#(<= ULTIMATE.start_main_~i~4 13), 44427#(<= ULTIMATE.start_main_~i~4 14), 44428#(<= ULTIMATE.start_main_~i~4 15), 44429#(<= ULTIMATE.start_main_~i~4 16), 44430#(<= ULTIMATE.start_main_~i~4 17), 44431#(<= ULTIMATE.start_main_~i~4 18), 44432#(<= ULTIMATE.start_main_~i~4 19), 44433#(<= ULTIMATE.start_main_~i~4 20), 44434#(<= ULTIMATE.start_main_~i~4 21), 44435#(<= ULTIMATE.start_main_~i~4 22), 44436#(<= ULTIMATE.start_main_~i~4 23), 44437#(<= ULTIMATE.start_main_~i~4 24), 44438#(<= ULTIMATE.start_main_~i~4 25), 44439#(<= ULTIMATE.start_main_~i~4 26), 44440#(<= ULTIMATE.start_main_~i~4 27), 44441#(<= ULTIMATE.start_main_~i~4 28), 44442#(<= ULTIMATE.start_main_~i~4 29), 44443#(<= ULTIMATE.start_main_~i~4 30), 44444#(<= ULTIMATE.start_main_~i~4 31), 44445#(<= ULTIMATE.start_main_~i~4 32), 44446#(<= ULTIMATE.start_main_~i~4 33), 44447#(<= ULTIMATE.start_main_~i~4 34), 44448#(<= ULTIMATE.start_main_~i~4 35), 44449#(<= ULTIMATE.start_main_~i~4 36), 44450#(<= ULTIMATE.start_main_~i~4 37), 44451#(<= ULTIMATE.start_main_~i~4 38), 44452#(<= ULTIMATE.start_main_~i~4 39), 44453#(<= ULTIMATE.start_main_~i~4 40), 44454#(<= ULTIMATE.start_main_~i~4 41), 44455#(<= ULTIMATE.start_main_~i~4 42), 44456#(<= ULTIMATE.start_main_~i~4 43), 44457#(<= ULTIMATE.start_main_~i~4 44), 44458#(<= ULTIMATE.start_main_~i~4 45), 44459#(<= ULTIMATE.start_main_~i~4 46), 44460#(<= ULTIMATE.start_main_~i~4 47), 44461#(<= ULTIMATE.start_main_~i~4 48), 44462#(<= ULTIMATE.start_main_~i~4 49), 44463#(<= ULTIMATE.start_main_~i~4 50), 44464#(<= ULTIMATE.start_main_~i~4 51), 44465#(<= ULTIMATE.start_main_~i~4 52), 44466#(<= ULTIMATE.start_main_~i~4 53), 44467#(<= ULTIMATE.start_main_~i~4 54), 44468#(<= ULTIMATE.start_main_~i~4 55), 44469#(<= ULTIMATE.start_main_~i~4 56), 44470#(<= ULTIMATE.start_main_~i~4 57), 44471#(<= ULTIMATE.start_main_~i~4 58), 44472#(<= ULTIMATE.start_main_~i~4 59), 44473#(<= ULTIMATE.start_main_~i~4 60), 44474#(<= ULTIMATE.start_main_~i~4 61), 44475#(<= ULTIMATE.start_main_~i~4 62), 44476#(<= ULTIMATE.start_main_~i~4 63), 44477#(<= ULTIMATE.start_main_~i~4 64), 44478#(<= ULTIMATE.start_main_~i~4 65), 44479#(<= ULTIMATE.start_main_~i~4 66), 44480#(<= ULTIMATE.start_main_~i~4 67), 44481#(<= ULTIMATE.start_main_~i~4 68), 44482#(<= ULTIMATE.start_main_~i~4 69), 44483#(<= ULTIMATE.start_main_~i~4 70), 44484#(<= ULTIMATE.start_main_~i~4 71), 44485#(<= ULTIMATE.start_main_~i~4 72), 44486#(<= ULTIMATE.start_main_~i~4 73), 44487#(<= ULTIMATE.start_main_~i~4 74), 44488#(<= ULTIMATE.start_main_~i~4 75), 44489#(<= ULTIMATE.start_main_~i~4 76), 44490#(<= ULTIMATE.start_main_~i~4 77), 44491#(<= ULTIMATE.start_main_~i~4 78), 44492#(<= ULTIMATE.start_main_~i~4 79), 44493#(<= ULTIMATE.start_main_~i~4 80), 44494#(<= ULTIMATE.start_main_~i~4 81), 44495#(<= ULTIMATE.start_main_~i~4 82), 44496#(<= ULTIMATE.start_main_~i~4 83), 44497#(<= ULTIMATE.start_main_~i~4 84), 44498#(<= ULTIMATE.start_main_~i~4 85), 44499#(<= ULTIMATE.start_main_~i~4 86), 44500#(<= ULTIMATE.start_main_~i~4 87), 44501#(<= ULTIMATE.start_main_~i~4 88), 44502#(<= ULTIMATE.start_main_~i~4 89), 44503#(<= ULTIMATE.start_main_~i~4 90), 44504#(<= ULTIMATE.start_main_~i~4 91), 44505#(<= ULTIMATE.start_main_~i~4 92), 44506#(<= ULTIMATE.start_main_~i~4 93), 44507#(<= ULTIMATE.start_main_~i~4 94), 44508#(<= ULTIMATE.start_main_~i~4 95), 44509#(<= ULTIMATE.start_main_~i~4 96)] [2018-07-23 13:43:34,013 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 13:43:34,013 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:43:34,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:43:34,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:43:34,014 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 99 states. [2018-07-23 13:43:34,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:34,181 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:43:34,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:43:34,182 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 196 [2018-07-23 13:43:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:34,183 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:43:34,183 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:43:34,183 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 13:43:34,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:43:34,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:43:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:43:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:43:34,188 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:43:34,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:34,188 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:43:34,188 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:43:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:43:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:43:34,189 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:34,189 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:43:34,190 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:34,190 INFO L82 PathProgramCache]: Analyzing trace with hash 899285825, now seen corresponding path program 97 times [2018-07-23 13:43:34,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:34,468 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 13:43:34,469 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:34,469 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:43:34,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,470 INFO L185 omatonBuilderFactory]: Interpolants [45312#(<= ULTIMATE.start_main_~i~4 0), 45313#(<= ULTIMATE.start_main_~i~4 1), 45314#(<= ULTIMATE.start_main_~i~4 2), 45315#(<= ULTIMATE.start_main_~i~4 3), 45316#(<= ULTIMATE.start_main_~i~4 4), 45317#(<= ULTIMATE.start_main_~i~4 5), 45318#(<= ULTIMATE.start_main_~i~4 6), 45319#(<= ULTIMATE.start_main_~i~4 7), 45320#(<= ULTIMATE.start_main_~i~4 8), 45321#(<= ULTIMATE.start_main_~i~4 9), 45322#(<= ULTIMATE.start_main_~i~4 10), 45323#(<= ULTIMATE.start_main_~i~4 11), 45324#(<= ULTIMATE.start_main_~i~4 12), 45325#(<= ULTIMATE.start_main_~i~4 13), 45326#(<= ULTIMATE.start_main_~i~4 14), 45327#(<= ULTIMATE.start_main_~i~4 15), 45328#(<= ULTIMATE.start_main_~i~4 16), 45329#(<= ULTIMATE.start_main_~i~4 17), 45330#(<= ULTIMATE.start_main_~i~4 18), 45331#(<= ULTIMATE.start_main_~i~4 19), 45332#(<= ULTIMATE.start_main_~i~4 20), 45333#(<= ULTIMATE.start_main_~i~4 21), 45334#(<= ULTIMATE.start_main_~i~4 22), 45335#(<= ULTIMATE.start_main_~i~4 23), 45336#(<= ULTIMATE.start_main_~i~4 24), 45337#(<= ULTIMATE.start_main_~i~4 25), 45338#(<= ULTIMATE.start_main_~i~4 26), 45339#(<= ULTIMATE.start_main_~i~4 27), 45340#(<= ULTIMATE.start_main_~i~4 28), 45341#(<= ULTIMATE.start_main_~i~4 29), 45342#(<= ULTIMATE.start_main_~i~4 30), 45343#(<= ULTIMATE.start_main_~i~4 31), 45344#(<= ULTIMATE.start_main_~i~4 32), 45345#(<= ULTIMATE.start_main_~i~4 33), 45346#(<= ULTIMATE.start_main_~i~4 34), 45347#(<= ULTIMATE.start_main_~i~4 35), 45348#(<= ULTIMATE.start_main_~i~4 36), 45349#(<= ULTIMATE.start_main_~i~4 37), 45350#(<= ULTIMATE.start_main_~i~4 38), 45351#(<= ULTIMATE.start_main_~i~4 39), 45352#(<= ULTIMATE.start_main_~i~4 40), 45353#(<= ULTIMATE.start_main_~i~4 41), 45354#(<= ULTIMATE.start_main_~i~4 42), 45355#(<= ULTIMATE.start_main_~i~4 43), 45356#(<= ULTIMATE.start_main_~i~4 44), 45357#(<= ULTIMATE.start_main_~i~4 45), 45358#(<= ULTIMATE.start_main_~i~4 46), 45359#(<= ULTIMATE.start_main_~i~4 47), 45360#(<= ULTIMATE.start_main_~i~4 48), 45361#(<= ULTIMATE.start_main_~i~4 49), 45362#(<= ULTIMATE.start_main_~i~4 50), 45363#(<= ULTIMATE.start_main_~i~4 51), 45364#(<= ULTIMATE.start_main_~i~4 52), 45365#(<= ULTIMATE.start_main_~i~4 53), 45366#(<= ULTIMATE.start_main_~i~4 54), 45367#(<= ULTIMATE.start_main_~i~4 55), 45368#(<= ULTIMATE.start_main_~i~4 56), 45369#(<= ULTIMATE.start_main_~i~4 57), 45370#(<= ULTIMATE.start_main_~i~4 58), 45371#(<= ULTIMATE.start_main_~i~4 59), 45372#(<= ULTIMATE.start_main_~i~4 60), 45373#(<= ULTIMATE.start_main_~i~4 61), 45374#(<= ULTIMATE.start_main_~i~4 62), 45375#(<= ULTIMATE.start_main_~i~4 63), 45376#(<= ULTIMATE.start_main_~i~4 64), 45377#(<= ULTIMATE.start_main_~i~4 65), 45378#(<= ULTIMATE.start_main_~i~4 66), 45379#(<= ULTIMATE.start_main_~i~4 67), 45380#(<= ULTIMATE.start_main_~i~4 68), 45381#(<= ULTIMATE.start_main_~i~4 69), 45382#(<= ULTIMATE.start_main_~i~4 70), 45383#(<= ULTIMATE.start_main_~i~4 71), 45384#(<= ULTIMATE.start_main_~i~4 72), 45385#(<= ULTIMATE.start_main_~i~4 73), 45386#(<= ULTIMATE.start_main_~i~4 74), 45387#(<= ULTIMATE.start_main_~i~4 75), 45388#(<= ULTIMATE.start_main_~i~4 76), 45389#(<= ULTIMATE.start_main_~i~4 77), 45390#(<= ULTIMATE.start_main_~i~4 78), 45391#(<= ULTIMATE.start_main_~i~4 79), 45392#(<= ULTIMATE.start_main_~i~4 80), 45393#(<= ULTIMATE.start_main_~i~4 81), 45394#(<= ULTIMATE.start_main_~i~4 82), 45395#(<= ULTIMATE.start_main_~i~4 83), 45396#(<= ULTIMATE.start_main_~i~4 84), 45397#(<= ULTIMATE.start_main_~i~4 85), 45398#(<= ULTIMATE.start_main_~i~4 86), 45399#(<= ULTIMATE.start_main_~i~4 87), 45400#(<= ULTIMATE.start_main_~i~4 88), 45401#(<= ULTIMATE.start_main_~i~4 89), 45402#(<= ULTIMATE.start_main_~i~4 90), 45403#(<= ULTIMATE.start_main_~i~4 91), 45404#(<= ULTIMATE.start_main_~i~4 92), 45405#(<= ULTIMATE.start_main_~i~4 93), 45406#(<= ULTIMATE.start_main_~i~4 94), 45407#(<= ULTIMATE.start_main_~i~4 95), 45408#(<= ULTIMATE.start_main_~i~4 96), 45409#(<= ULTIMATE.start_main_~i~4 97), 45310#true, 45311#false] [2018-07-23 13:43:34,470 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 13:43:34,470 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:43:34,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:43:34,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:43:34,472 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 100 states. [2018-07-23 13:43:34,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:34,644 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:43:34,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:43:34,644 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 198 [2018-07-23 13:43:34,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:34,645 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:43:34,645 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:43:34,646 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:43:34,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:43:34,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:43:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:43:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:43:34,650 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:43:34,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:34,650 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:43:34,650 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:43:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:43:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:43:34,651 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:34,651 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:43:34,652 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:34,652 INFO L82 PathProgramCache]: Analyzing trace with hash 925303419, now seen corresponding path program 98 times [2018-07-23 13:43:34,652 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:34,936 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 13:43:34,936 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:34,936 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:43:34,937 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,937 INFO L185 omatonBuilderFactory]: Interpolants [46218#true, 46219#false, 46220#(<= ULTIMATE.start_main_~i~4 0), 46221#(<= ULTIMATE.start_main_~i~4 1), 46222#(<= ULTIMATE.start_main_~i~4 2), 46223#(<= ULTIMATE.start_main_~i~4 3), 46224#(<= ULTIMATE.start_main_~i~4 4), 46225#(<= ULTIMATE.start_main_~i~4 5), 46226#(<= ULTIMATE.start_main_~i~4 6), 46227#(<= ULTIMATE.start_main_~i~4 7), 46228#(<= ULTIMATE.start_main_~i~4 8), 46229#(<= ULTIMATE.start_main_~i~4 9), 46230#(<= ULTIMATE.start_main_~i~4 10), 46231#(<= ULTIMATE.start_main_~i~4 11), 46232#(<= ULTIMATE.start_main_~i~4 12), 46233#(<= ULTIMATE.start_main_~i~4 13), 46234#(<= ULTIMATE.start_main_~i~4 14), 46235#(<= ULTIMATE.start_main_~i~4 15), 46236#(<= ULTIMATE.start_main_~i~4 16), 46237#(<= ULTIMATE.start_main_~i~4 17), 46238#(<= ULTIMATE.start_main_~i~4 18), 46239#(<= ULTIMATE.start_main_~i~4 19), 46240#(<= ULTIMATE.start_main_~i~4 20), 46241#(<= ULTIMATE.start_main_~i~4 21), 46242#(<= ULTIMATE.start_main_~i~4 22), 46243#(<= ULTIMATE.start_main_~i~4 23), 46244#(<= ULTIMATE.start_main_~i~4 24), 46245#(<= ULTIMATE.start_main_~i~4 25), 46246#(<= ULTIMATE.start_main_~i~4 26), 46247#(<= ULTIMATE.start_main_~i~4 27), 46248#(<= ULTIMATE.start_main_~i~4 28), 46249#(<= ULTIMATE.start_main_~i~4 29), 46250#(<= ULTIMATE.start_main_~i~4 30), 46251#(<= ULTIMATE.start_main_~i~4 31), 46252#(<= ULTIMATE.start_main_~i~4 32), 46253#(<= ULTIMATE.start_main_~i~4 33), 46254#(<= ULTIMATE.start_main_~i~4 34), 46255#(<= ULTIMATE.start_main_~i~4 35), 46256#(<= ULTIMATE.start_main_~i~4 36), 46257#(<= ULTIMATE.start_main_~i~4 37), 46258#(<= ULTIMATE.start_main_~i~4 38), 46259#(<= ULTIMATE.start_main_~i~4 39), 46260#(<= ULTIMATE.start_main_~i~4 40), 46261#(<= ULTIMATE.start_main_~i~4 41), 46262#(<= ULTIMATE.start_main_~i~4 42), 46263#(<= ULTIMATE.start_main_~i~4 43), 46264#(<= ULTIMATE.start_main_~i~4 44), 46265#(<= ULTIMATE.start_main_~i~4 45), 46266#(<= ULTIMATE.start_main_~i~4 46), 46267#(<= ULTIMATE.start_main_~i~4 47), 46268#(<= ULTIMATE.start_main_~i~4 48), 46269#(<= ULTIMATE.start_main_~i~4 49), 46270#(<= ULTIMATE.start_main_~i~4 50), 46271#(<= ULTIMATE.start_main_~i~4 51), 46272#(<= ULTIMATE.start_main_~i~4 52), 46273#(<= ULTIMATE.start_main_~i~4 53), 46274#(<= ULTIMATE.start_main_~i~4 54), 46275#(<= ULTIMATE.start_main_~i~4 55), 46276#(<= ULTIMATE.start_main_~i~4 56), 46277#(<= ULTIMATE.start_main_~i~4 57), 46278#(<= ULTIMATE.start_main_~i~4 58), 46279#(<= ULTIMATE.start_main_~i~4 59), 46280#(<= ULTIMATE.start_main_~i~4 60), 46281#(<= ULTIMATE.start_main_~i~4 61), 46282#(<= ULTIMATE.start_main_~i~4 62), 46283#(<= ULTIMATE.start_main_~i~4 63), 46284#(<= ULTIMATE.start_main_~i~4 64), 46285#(<= ULTIMATE.start_main_~i~4 65), 46286#(<= ULTIMATE.start_main_~i~4 66), 46287#(<= ULTIMATE.start_main_~i~4 67), 46288#(<= ULTIMATE.start_main_~i~4 68), 46289#(<= ULTIMATE.start_main_~i~4 69), 46290#(<= ULTIMATE.start_main_~i~4 70), 46291#(<= ULTIMATE.start_main_~i~4 71), 46292#(<= ULTIMATE.start_main_~i~4 72), 46293#(<= ULTIMATE.start_main_~i~4 73), 46294#(<= ULTIMATE.start_main_~i~4 74), 46295#(<= ULTIMATE.start_main_~i~4 75), 46296#(<= ULTIMATE.start_main_~i~4 76), 46297#(<= ULTIMATE.start_main_~i~4 77), 46298#(<= ULTIMATE.start_main_~i~4 78), 46299#(<= ULTIMATE.start_main_~i~4 79), 46300#(<= ULTIMATE.start_main_~i~4 80), 46301#(<= ULTIMATE.start_main_~i~4 81), 46302#(<= ULTIMATE.start_main_~i~4 82), 46303#(<= ULTIMATE.start_main_~i~4 83), 46304#(<= ULTIMATE.start_main_~i~4 84), 46305#(<= ULTIMATE.start_main_~i~4 85), 46306#(<= ULTIMATE.start_main_~i~4 86), 46307#(<= ULTIMATE.start_main_~i~4 87), 46308#(<= ULTIMATE.start_main_~i~4 88), 46309#(<= ULTIMATE.start_main_~i~4 89), 46310#(<= ULTIMATE.start_main_~i~4 90), 46311#(<= ULTIMATE.start_main_~i~4 91), 46312#(<= ULTIMATE.start_main_~i~4 92), 46313#(<= ULTIMATE.start_main_~i~4 93), 46314#(<= ULTIMATE.start_main_~i~4 94), 46315#(<= ULTIMATE.start_main_~i~4 95), 46316#(<= ULTIMATE.start_main_~i~4 96), 46317#(<= ULTIMATE.start_main_~i~4 97), 46318#(<= ULTIMATE.start_main_~i~4 98)] [2018-07-23 13:43:34,938 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 13:43:34,938 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:43:34,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:43:34,939 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:43:34,939 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 101 states. [2018-07-23 13:43:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:35,117 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:43:35,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:43:35,117 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 200 [2018-07-23 13:43:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:35,118 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:43:35,118 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:43:35,119 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 13:43:35,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:43:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:43:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:43:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:43:35,123 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:43:35,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:35,124 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:43:35,124 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:43:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:43:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:43:35,125 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:35,125 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:43:35,125 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:35,126 INFO L82 PathProgramCache]: Analyzing trace with hash 158407477, now seen corresponding path program 99 times [2018-07-23 13:43:35,126 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:35,557 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 13:43:35,557 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:35,558 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:43:35,558 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:35,558 INFO L185 omatonBuilderFactory]: Interpolants [47135#true, 47136#false, 47137#(<= ULTIMATE.start_main_~i~4 0), 47138#(<= ULTIMATE.start_main_~i~4 1), 47139#(<= ULTIMATE.start_main_~i~4 2), 47140#(<= ULTIMATE.start_main_~i~4 3), 47141#(<= ULTIMATE.start_main_~i~4 4), 47142#(<= ULTIMATE.start_main_~i~4 5), 47143#(<= ULTIMATE.start_main_~i~4 6), 47144#(<= ULTIMATE.start_main_~i~4 7), 47145#(<= ULTIMATE.start_main_~i~4 8), 47146#(<= ULTIMATE.start_main_~i~4 9), 47147#(<= ULTIMATE.start_main_~i~4 10), 47148#(<= ULTIMATE.start_main_~i~4 11), 47149#(<= ULTIMATE.start_main_~i~4 12), 47150#(<= ULTIMATE.start_main_~i~4 13), 47151#(<= ULTIMATE.start_main_~i~4 14), 47152#(<= ULTIMATE.start_main_~i~4 15), 47153#(<= ULTIMATE.start_main_~i~4 16), 47154#(<= ULTIMATE.start_main_~i~4 17), 47155#(<= ULTIMATE.start_main_~i~4 18), 47156#(<= ULTIMATE.start_main_~i~4 19), 47157#(<= ULTIMATE.start_main_~i~4 20), 47158#(<= ULTIMATE.start_main_~i~4 21), 47159#(<= ULTIMATE.start_main_~i~4 22), 47160#(<= ULTIMATE.start_main_~i~4 23), 47161#(<= ULTIMATE.start_main_~i~4 24), 47162#(<= ULTIMATE.start_main_~i~4 25), 47163#(<= ULTIMATE.start_main_~i~4 26), 47164#(<= ULTIMATE.start_main_~i~4 27), 47165#(<= ULTIMATE.start_main_~i~4 28), 47166#(<= ULTIMATE.start_main_~i~4 29), 47167#(<= ULTIMATE.start_main_~i~4 30), 47168#(<= ULTIMATE.start_main_~i~4 31), 47169#(<= ULTIMATE.start_main_~i~4 32), 47170#(<= ULTIMATE.start_main_~i~4 33), 47171#(<= ULTIMATE.start_main_~i~4 34), 47172#(<= ULTIMATE.start_main_~i~4 35), 47173#(<= ULTIMATE.start_main_~i~4 36), 47174#(<= ULTIMATE.start_main_~i~4 37), 47175#(<= ULTIMATE.start_main_~i~4 38), 47176#(<= ULTIMATE.start_main_~i~4 39), 47177#(<= ULTIMATE.start_main_~i~4 40), 47178#(<= ULTIMATE.start_main_~i~4 41), 47179#(<= ULTIMATE.start_main_~i~4 42), 47180#(<= ULTIMATE.start_main_~i~4 43), 47181#(<= ULTIMATE.start_main_~i~4 44), 47182#(<= ULTIMATE.start_main_~i~4 45), 47183#(<= ULTIMATE.start_main_~i~4 46), 47184#(<= ULTIMATE.start_main_~i~4 47), 47185#(<= ULTIMATE.start_main_~i~4 48), 47186#(<= ULTIMATE.start_main_~i~4 49), 47187#(<= ULTIMATE.start_main_~i~4 50), 47188#(<= ULTIMATE.start_main_~i~4 51), 47189#(<= ULTIMATE.start_main_~i~4 52), 47190#(<= ULTIMATE.start_main_~i~4 53), 47191#(<= ULTIMATE.start_main_~i~4 54), 47192#(<= ULTIMATE.start_main_~i~4 55), 47193#(<= ULTIMATE.start_main_~i~4 56), 47194#(<= ULTIMATE.start_main_~i~4 57), 47195#(<= ULTIMATE.start_main_~i~4 58), 47196#(<= ULTIMATE.start_main_~i~4 59), 47197#(<= ULTIMATE.start_main_~i~4 60), 47198#(<= ULTIMATE.start_main_~i~4 61), 47199#(<= ULTIMATE.start_main_~i~4 62), 47200#(<= ULTIMATE.start_main_~i~4 63), 47201#(<= ULTIMATE.start_main_~i~4 64), 47202#(<= ULTIMATE.start_main_~i~4 65), 47203#(<= ULTIMATE.start_main_~i~4 66), 47204#(<= ULTIMATE.start_main_~i~4 67), 47205#(<= ULTIMATE.start_main_~i~4 68), 47206#(<= ULTIMATE.start_main_~i~4 69), 47207#(<= ULTIMATE.start_main_~i~4 70), 47208#(<= ULTIMATE.start_main_~i~4 71), 47209#(<= ULTIMATE.start_main_~i~4 72), 47210#(<= ULTIMATE.start_main_~i~4 73), 47211#(<= ULTIMATE.start_main_~i~4 74), 47212#(<= ULTIMATE.start_main_~i~4 75), 47213#(<= ULTIMATE.start_main_~i~4 76), 47214#(<= ULTIMATE.start_main_~i~4 77), 47215#(<= ULTIMATE.start_main_~i~4 78), 47216#(<= ULTIMATE.start_main_~i~4 79), 47217#(<= ULTIMATE.start_main_~i~4 80), 47218#(<= ULTIMATE.start_main_~i~4 81), 47219#(<= ULTIMATE.start_main_~i~4 82), 47220#(<= ULTIMATE.start_main_~i~4 83), 47221#(<= ULTIMATE.start_main_~i~4 84), 47222#(<= ULTIMATE.start_main_~i~4 85), 47223#(<= ULTIMATE.start_main_~i~4 86), 47224#(<= ULTIMATE.start_main_~i~4 87), 47225#(<= ULTIMATE.start_main_~i~4 88), 47226#(<= ULTIMATE.start_main_~i~4 89), 47227#(<= ULTIMATE.start_main_~i~4 90), 47228#(<= ULTIMATE.start_main_~i~4 91), 47229#(<= ULTIMATE.start_main_~i~4 92), 47230#(<= ULTIMATE.start_main_~i~4 93), 47231#(<= ULTIMATE.start_main_~i~4 94), 47232#(<= ULTIMATE.start_main_~i~4 95), 47233#(<= ULTIMATE.start_main_~i~4 96), 47234#(<= ULTIMATE.start_main_~i~4 97), 47235#(<= ULTIMATE.start_main_~i~4 98), 47236#(<= ULTIMATE.start_main_~i~4 99)] [2018-07-23 13:43:35,559 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 13:43:35,559 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:43:35,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:43:35,560 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:43:35,560 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 102 states. [2018-07-23 13:43:35,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:35,730 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:43:35,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:43:35,731 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 202 [2018-07-23 13:43:35,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:35,732 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:43:35,732 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:43:35,732 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:43:35,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:43:35,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:43:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:43:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:43:35,737 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:43:35,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:35,737 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:43:35,737 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:43:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:43:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:43:35,738 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:35,738 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:43:35,738 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:35,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1905782127, now seen corresponding path program 100 times [2018-07-23 13:43:35,739 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:36,004 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 13:43:36,004 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:36,004 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:43:36,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:36,005 INFO L185 omatonBuilderFactory]: Interpolants [48128#(<= ULTIMATE.start_main_~i~4 65), 48129#(<= ULTIMATE.start_main_~i~4 66), 48130#(<= ULTIMATE.start_main_~i~4 67), 48131#(<= ULTIMATE.start_main_~i~4 68), 48132#(<= ULTIMATE.start_main_~i~4 69), 48133#(<= ULTIMATE.start_main_~i~4 70), 48134#(<= ULTIMATE.start_main_~i~4 71), 48135#(<= ULTIMATE.start_main_~i~4 72), 48136#(<= ULTIMATE.start_main_~i~4 73), 48137#(<= ULTIMATE.start_main_~i~4 74), 48138#(<= ULTIMATE.start_main_~i~4 75), 48139#(<= ULTIMATE.start_main_~i~4 76), 48140#(<= ULTIMATE.start_main_~i~4 77), 48141#(<= ULTIMATE.start_main_~i~4 78), 48142#(<= ULTIMATE.start_main_~i~4 79), 48143#(<= ULTIMATE.start_main_~i~4 80), 48144#(<= ULTIMATE.start_main_~i~4 81), 48145#(<= ULTIMATE.start_main_~i~4 82), 48146#(<= ULTIMATE.start_main_~i~4 83), 48147#(<= ULTIMATE.start_main_~i~4 84), 48148#(<= ULTIMATE.start_main_~i~4 85), 48149#(<= ULTIMATE.start_main_~i~4 86), 48150#(<= ULTIMATE.start_main_~i~4 87), 48151#(<= ULTIMATE.start_main_~i~4 88), 48152#(<= ULTIMATE.start_main_~i~4 89), 48153#(<= ULTIMATE.start_main_~i~4 90), 48154#(<= ULTIMATE.start_main_~i~4 91), 48155#(<= ULTIMATE.start_main_~i~4 92), 48156#(<= ULTIMATE.start_main_~i~4 93), 48157#(<= ULTIMATE.start_main_~i~4 94), 48158#(<= ULTIMATE.start_main_~i~4 95), 48159#(<= ULTIMATE.start_main_~i~4 96), 48160#(<= ULTIMATE.start_main_~i~4 97), 48161#(<= ULTIMATE.start_main_~i~4 98), 48162#(<= ULTIMATE.start_main_~i~4 99), 48163#(<= ULTIMATE.start_main_~i~4 100), 48061#true, 48062#false, 48063#(<= ULTIMATE.start_main_~i~4 0), 48064#(<= ULTIMATE.start_main_~i~4 1), 48065#(<= ULTIMATE.start_main_~i~4 2), 48066#(<= ULTIMATE.start_main_~i~4 3), 48067#(<= ULTIMATE.start_main_~i~4 4), 48068#(<= ULTIMATE.start_main_~i~4 5), 48069#(<= ULTIMATE.start_main_~i~4 6), 48070#(<= ULTIMATE.start_main_~i~4 7), 48071#(<= ULTIMATE.start_main_~i~4 8), 48072#(<= ULTIMATE.start_main_~i~4 9), 48073#(<= ULTIMATE.start_main_~i~4 10), 48074#(<= ULTIMATE.start_main_~i~4 11), 48075#(<= ULTIMATE.start_main_~i~4 12), 48076#(<= ULTIMATE.start_main_~i~4 13), 48077#(<= ULTIMATE.start_main_~i~4 14), 48078#(<= ULTIMATE.start_main_~i~4 15), 48079#(<= ULTIMATE.start_main_~i~4 16), 48080#(<= ULTIMATE.start_main_~i~4 17), 48081#(<= ULTIMATE.start_main_~i~4 18), 48082#(<= ULTIMATE.start_main_~i~4 19), 48083#(<= ULTIMATE.start_main_~i~4 20), 48084#(<= ULTIMATE.start_main_~i~4 21), 48085#(<= ULTIMATE.start_main_~i~4 22), 48086#(<= ULTIMATE.start_main_~i~4 23), 48087#(<= ULTIMATE.start_main_~i~4 24), 48088#(<= ULTIMATE.start_main_~i~4 25), 48089#(<= ULTIMATE.start_main_~i~4 26), 48090#(<= ULTIMATE.start_main_~i~4 27), 48091#(<= ULTIMATE.start_main_~i~4 28), 48092#(<= ULTIMATE.start_main_~i~4 29), 48093#(<= ULTIMATE.start_main_~i~4 30), 48094#(<= ULTIMATE.start_main_~i~4 31), 48095#(<= ULTIMATE.start_main_~i~4 32), 48096#(<= ULTIMATE.start_main_~i~4 33), 48097#(<= ULTIMATE.start_main_~i~4 34), 48098#(<= ULTIMATE.start_main_~i~4 35), 48099#(<= ULTIMATE.start_main_~i~4 36), 48100#(<= ULTIMATE.start_main_~i~4 37), 48101#(<= ULTIMATE.start_main_~i~4 38), 48102#(<= ULTIMATE.start_main_~i~4 39), 48103#(<= ULTIMATE.start_main_~i~4 40), 48104#(<= ULTIMATE.start_main_~i~4 41), 48105#(<= ULTIMATE.start_main_~i~4 42), 48106#(<= ULTIMATE.start_main_~i~4 43), 48107#(<= ULTIMATE.start_main_~i~4 44), 48108#(<= ULTIMATE.start_main_~i~4 45), 48109#(<= ULTIMATE.start_main_~i~4 46), 48110#(<= ULTIMATE.start_main_~i~4 47), 48111#(<= ULTIMATE.start_main_~i~4 48), 48112#(<= ULTIMATE.start_main_~i~4 49), 48113#(<= ULTIMATE.start_main_~i~4 50), 48114#(<= ULTIMATE.start_main_~i~4 51), 48115#(<= ULTIMATE.start_main_~i~4 52), 48116#(<= ULTIMATE.start_main_~i~4 53), 48117#(<= ULTIMATE.start_main_~i~4 54), 48118#(<= ULTIMATE.start_main_~i~4 55), 48119#(<= ULTIMATE.start_main_~i~4 56), 48120#(<= ULTIMATE.start_main_~i~4 57), 48121#(<= ULTIMATE.start_main_~i~4 58), 48122#(<= ULTIMATE.start_main_~i~4 59), 48123#(<= ULTIMATE.start_main_~i~4 60), 48124#(<= ULTIMATE.start_main_~i~4 61), 48125#(<= ULTIMATE.start_main_~i~4 62), 48126#(<= ULTIMATE.start_main_~i~4 63), 48127#(<= ULTIMATE.start_main_~i~4 64)] [2018-07-23 13:43:36,006 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 13:43:36,006 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:43:36,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:43:36,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:43:36,007 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 103 states. [2018-07-23 13:43:36,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:36,092 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:43:36,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:43:36,092 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 204 [2018-07-23 13:43:36,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:36,094 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:43:36,094 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:43:36,095 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 13:43:36,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:43:36,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:43:36,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:43:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:43:36,100 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:43:36,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:36,100 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:43:36,100 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:43:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:43:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:43:36,101 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:36,102 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:43:36,102 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:36,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1800608041, now seen corresponding path program 101 times [2018-07-23 13:43:36,102 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:36,406 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 13:43:36,406 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:36,406 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:43:36,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:36,407 INFO L185 omatonBuilderFactory]: Interpolants [48996#true, 48997#false, 48998#(<= ULTIMATE.start_main_~i~4 0), 48999#(<= ULTIMATE.start_main_~i~4 1), 49000#(<= ULTIMATE.start_main_~i~4 2), 49001#(<= ULTIMATE.start_main_~i~4 3), 49002#(<= ULTIMATE.start_main_~i~4 4), 49003#(<= ULTIMATE.start_main_~i~4 5), 49004#(<= ULTIMATE.start_main_~i~4 6), 49005#(<= ULTIMATE.start_main_~i~4 7), 49006#(<= ULTIMATE.start_main_~i~4 8), 49007#(<= ULTIMATE.start_main_~i~4 9), 49008#(<= ULTIMATE.start_main_~i~4 10), 49009#(<= ULTIMATE.start_main_~i~4 11), 49010#(<= ULTIMATE.start_main_~i~4 12), 49011#(<= ULTIMATE.start_main_~i~4 13), 49012#(<= ULTIMATE.start_main_~i~4 14), 49013#(<= ULTIMATE.start_main_~i~4 15), 49014#(<= ULTIMATE.start_main_~i~4 16), 49015#(<= ULTIMATE.start_main_~i~4 17), 49016#(<= ULTIMATE.start_main_~i~4 18), 49017#(<= ULTIMATE.start_main_~i~4 19), 49018#(<= ULTIMATE.start_main_~i~4 20), 49019#(<= ULTIMATE.start_main_~i~4 21), 49020#(<= ULTIMATE.start_main_~i~4 22), 49021#(<= ULTIMATE.start_main_~i~4 23), 49022#(<= ULTIMATE.start_main_~i~4 24), 49023#(<= ULTIMATE.start_main_~i~4 25), 49024#(<= ULTIMATE.start_main_~i~4 26), 49025#(<= ULTIMATE.start_main_~i~4 27), 49026#(<= ULTIMATE.start_main_~i~4 28), 49027#(<= ULTIMATE.start_main_~i~4 29), 49028#(<= ULTIMATE.start_main_~i~4 30), 49029#(<= ULTIMATE.start_main_~i~4 31), 49030#(<= ULTIMATE.start_main_~i~4 32), 49031#(<= ULTIMATE.start_main_~i~4 33), 49032#(<= ULTIMATE.start_main_~i~4 34), 49033#(<= ULTIMATE.start_main_~i~4 35), 49034#(<= ULTIMATE.start_main_~i~4 36), 49035#(<= ULTIMATE.start_main_~i~4 37), 49036#(<= ULTIMATE.start_main_~i~4 38), 49037#(<= ULTIMATE.start_main_~i~4 39), 49038#(<= ULTIMATE.start_main_~i~4 40), 49039#(<= ULTIMATE.start_main_~i~4 41), 49040#(<= ULTIMATE.start_main_~i~4 42), 49041#(<= ULTIMATE.start_main_~i~4 43), 49042#(<= ULTIMATE.start_main_~i~4 44), 49043#(<= ULTIMATE.start_main_~i~4 45), 49044#(<= ULTIMATE.start_main_~i~4 46), 49045#(<= ULTIMATE.start_main_~i~4 47), 49046#(<= ULTIMATE.start_main_~i~4 48), 49047#(<= ULTIMATE.start_main_~i~4 49), 49048#(<= ULTIMATE.start_main_~i~4 50), 49049#(<= ULTIMATE.start_main_~i~4 51), 49050#(<= ULTIMATE.start_main_~i~4 52), 49051#(<= ULTIMATE.start_main_~i~4 53), 49052#(<= ULTIMATE.start_main_~i~4 54), 49053#(<= ULTIMATE.start_main_~i~4 55), 49054#(<= ULTIMATE.start_main_~i~4 56), 49055#(<= ULTIMATE.start_main_~i~4 57), 49056#(<= ULTIMATE.start_main_~i~4 58), 49057#(<= ULTIMATE.start_main_~i~4 59), 49058#(<= ULTIMATE.start_main_~i~4 60), 49059#(<= ULTIMATE.start_main_~i~4 61), 49060#(<= ULTIMATE.start_main_~i~4 62), 49061#(<= ULTIMATE.start_main_~i~4 63), 49062#(<= ULTIMATE.start_main_~i~4 64), 49063#(<= ULTIMATE.start_main_~i~4 65), 49064#(<= ULTIMATE.start_main_~i~4 66), 49065#(<= ULTIMATE.start_main_~i~4 67), 49066#(<= ULTIMATE.start_main_~i~4 68), 49067#(<= ULTIMATE.start_main_~i~4 69), 49068#(<= ULTIMATE.start_main_~i~4 70), 49069#(<= ULTIMATE.start_main_~i~4 71), 49070#(<= ULTIMATE.start_main_~i~4 72), 49071#(<= ULTIMATE.start_main_~i~4 73), 49072#(<= ULTIMATE.start_main_~i~4 74), 49073#(<= ULTIMATE.start_main_~i~4 75), 49074#(<= ULTIMATE.start_main_~i~4 76), 49075#(<= ULTIMATE.start_main_~i~4 77), 49076#(<= ULTIMATE.start_main_~i~4 78), 49077#(<= ULTIMATE.start_main_~i~4 79), 49078#(<= ULTIMATE.start_main_~i~4 80), 49079#(<= ULTIMATE.start_main_~i~4 81), 49080#(<= ULTIMATE.start_main_~i~4 82), 49081#(<= ULTIMATE.start_main_~i~4 83), 49082#(<= ULTIMATE.start_main_~i~4 84), 49083#(<= ULTIMATE.start_main_~i~4 85), 49084#(<= ULTIMATE.start_main_~i~4 86), 49085#(<= ULTIMATE.start_main_~i~4 87), 49086#(<= ULTIMATE.start_main_~i~4 88), 49087#(<= ULTIMATE.start_main_~i~4 89), 49088#(<= ULTIMATE.start_main_~i~4 90), 49089#(<= ULTIMATE.start_main_~i~4 91), 49090#(<= ULTIMATE.start_main_~i~4 92), 49091#(<= ULTIMATE.start_main_~i~4 93), 49092#(<= ULTIMATE.start_main_~i~4 94), 49093#(<= ULTIMATE.start_main_~i~4 95), 49094#(<= ULTIMATE.start_main_~i~4 96), 49095#(<= ULTIMATE.start_main_~i~4 97), 49096#(<= ULTIMATE.start_main_~i~4 98), 49097#(<= ULTIMATE.start_main_~i~4 99), 49098#(<= ULTIMATE.start_main_~i~4 100), 49099#(<= ULTIMATE.start_main_~i~4 101)] [2018-07-23 13:43:36,408 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 13:43:36,408 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:43:36,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:43:36,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:43:36,410 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 104 states. [2018-07-23 13:43:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:36,535 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:43:36,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:43:36,535 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 206 [2018-07-23 13:43:36,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:36,536 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:43:36,536 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:43:36,537 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:43:36,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:43:36,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:43:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:43:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:43:36,542 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 206 [2018-07-23 13:43:36,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:36,542 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:43:36,543 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:43:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:43:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:43:36,544 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:36,544 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1] [2018-07-23 13:43:36,544 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:36,544 INFO L82 PathProgramCache]: Analyzing trace with hash -487440797, now seen corresponding path program 102 times [2018-07-23 13:43:36,544 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:36,807 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 13:43:36,808 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:36,808 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:43:36,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:36,808 INFO L185 omatonBuilderFactory]: Interpolants [49940#true, 49941#false, 49942#(<= ULTIMATE.start_main_~i~4 0), 49943#(<= ULTIMATE.start_main_~i~4 1), 49944#(<= ULTIMATE.start_main_~i~4 2), 49945#(<= ULTIMATE.start_main_~i~4 3), 49946#(<= ULTIMATE.start_main_~i~4 4), 49947#(<= ULTIMATE.start_main_~i~4 5), 49948#(<= ULTIMATE.start_main_~i~4 6), 49949#(<= ULTIMATE.start_main_~i~4 7), 49950#(<= ULTIMATE.start_main_~i~4 8), 49951#(<= ULTIMATE.start_main_~i~4 9), 49952#(<= ULTIMATE.start_main_~i~4 10), 49953#(<= ULTIMATE.start_main_~i~4 11), 49954#(<= ULTIMATE.start_main_~i~4 12), 49955#(<= ULTIMATE.start_main_~i~4 13), 49956#(<= ULTIMATE.start_main_~i~4 14), 49957#(<= ULTIMATE.start_main_~i~4 15), 49958#(<= ULTIMATE.start_main_~i~4 16), 49959#(<= ULTIMATE.start_main_~i~4 17), 49960#(<= ULTIMATE.start_main_~i~4 18), 49961#(<= ULTIMATE.start_main_~i~4 19), 49962#(<= ULTIMATE.start_main_~i~4 20), 49963#(<= ULTIMATE.start_main_~i~4 21), 49964#(<= ULTIMATE.start_main_~i~4 22), 49965#(<= ULTIMATE.start_main_~i~4 23), 49966#(<= ULTIMATE.start_main_~i~4 24), 49967#(<= ULTIMATE.start_main_~i~4 25), 49968#(<= ULTIMATE.start_main_~i~4 26), 49969#(<= ULTIMATE.start_main_~i~4 27), 49970#(<= ULTIMATE.start_main_~i~4 28), 49971#(<= ULTIMATE.start_main_~i~4 29), 49972#(<= ULTIMATE.start_main_~i~4 30), 49973#(<= ULTIMATE.start_main_~i~4 31), 49974#(<= ULTIMATE.start_main_~i~4 32), 49975#(<= ULTIMATE.start_main_~i~4 33), 49976#(<= ULTIMATE.start_main_~i~4 34), 49977#(<= ULTIMATE.start_main_~i~4 35), 49978#(<= ULTIMATE.start_main_~i~4 36), 49979#(<= ULTIMATE.start_main_~i~4 37), 49980#(<= ULTIMATE.start_main_~i~4 38), 49981#(<= ULTIMATE.start_main_~i~4 39), 49982#(<= ULTIMATE.start_main_~i~4 40), 49983#(<= ULTIMATE.start_main_~i~4 41), 49984#(<= ULTIMATE.start_main_~i~4 42), 49985#(<= ULTIMATE.start_main_~i~4 43), 49986#(<= ULTIMATE.start_main_~i~4 44), 49987#(<= ULTIMATE.start_main_~i~4 45), 49988#(<= ULTIMATE.start_main_~i~4 46), 49989#(<= ULTIMATE.start_main_~i~4 47), 49990#(<= ULTIMATE.start_main_~i~4 48), 49991#(<= ULTIMATE.start_main_~i~4 49), 49992#(<= ULTIMATE.start_main_~i~4 50), 49993#(<= ULTIMATE.start_main_~i~4 51), 49994#(<= ULTIMATE.start_main_~i~4 52), 49995#(<= ULTIMATE.start_main_~i~4 53), 49996#(<= ULTIMATE.start_main_~i~4 54), 49997#(<= ULTIMATE.start_main_~i~4 55), 49998#(<= ULTIMATE.start_main_~i~4 56), 49999#(<= ULTIMATE.start_main_~i~4 57), 50000#(<= ULTIMATE.start_main_~i~4 58), 50001#(<= ULTIMATE.start_main_~i~4 59), 50002#(<= ULTIMATE.start_main_~i~4 60), 50003#(<= ULTIMATE.start_main_~i~4 61), 50004#(<= ULTIMATE.start_main_~i~4 62), 50005#(<= ULTIMATE.start_main_~i~4 63), 50006#(<= ULTIMATE.start_main_~i~4 64), 50007#(<= ULTIMATE.start_main_~i~4 65), 50008#(<= ULTIMATE.start_main_~i~4 66), 50009#(<= ULTIMATE.start_main_~i~4 67), 50010#(<= ULTIMATE.start_main_~i~4 68), 50011#(<= ULTIMATE.start_main_~i~4 69), 50012#(<= ULTIMATE.start_main_~i~4 70), 50013#(<= ULTIMATE.start_main_~i~4 71), 50014#(<= ULTIMATE.start_main_~i~4 72), 50015#(<= ULTIMATE.start_main_~i~4 73), 50016#(<= ULTIMATE.start_main_~i~4 74), 50017#(<= ULTIMATE.start_main_~i~4 75), 50018#(<= ULTIMATE.start_main_~i~4 76), 50019#(<= ULTIMATE.start_main_~i~4 77), 50020#(<= ULTIMATE.start_main_~i~4 78), 50021#(<= ULTIMATE.start_main_~i~4 79), 50022#(<= ULTIMATE.start_main_~i~4 80), 50023#(<= ULTIMATE.start_main_~i~4 81), 50024#(<= ULTIMATE.start_main_~i~4 82), 50025#(<= ULTIMATE.start_main_~i~4 83), 50026#(<= ULTIMATE.start_main_~i~4 84), 50027#(<= ULTIMATE.start_main_~i~4 85), 50028#(<= ULTIMATE.start_main_~i~4 86), 50029#(<= ULTIMATE.start_main_~i~4 87), 50030#(<= ULTIMATE.start_main_~i~4 88), 50031#(<= ULTIMATE.start_main_~i~4 89), 50032#(<= ULTIMATE.start_main_~i~4 90), 50033#(<= ULTIMATE.start_main_~i~4 91), 50034#(<= ULTIMATE.start_main_~i~4 92), 50035#(<= ULTIMATE.start_main_~i~4 93), 50036#(<= ULTIMATE.start_main_~i~4 94), 50037#(<= ULTIMATE.start_main_~i~4 95), 50038#(<= ULTIMATE.start_main_~i~4 96), 50039#(<= ULTIMATE.start_main_~i~4 97), 50040#(<= ULTIMATE.start_main_~i~4 98), 50041#(<= ULTIMATE.start_main_~i~4 99), 50042#(<= ULTIMATE.start_main_~i~4 100), 50043#(<= ULTIMATE.start_main_~i~4 101), 50044#(<= ULTIMATE.start_main_~i~4 102)] [2018-07-23 13:43:36,809 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 13:43:36,809 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:43:36,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:43:36,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:43:36,810 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 105 states. [2018-07-23 13:43:36,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:36,973 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:43:36,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:43:36,973 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 208 [2018-07-23 13:43:36,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:36,974 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:43:36,974 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:43:36,975 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:43:36,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:43:36,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:43:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:43:36,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:43:36,979 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 208 [2018-07-23 13:43:36,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:36,980 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:43:36,980 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:43:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:43:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:43:36,981 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:36,981 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1] [2018-07-23 13:43:36,981 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:36,981 INFO L82 PathProgramCache]: Analyzing trace with hash -279118563, now seen corresponding path program 103 times [2018-07-23 13:43:36,982 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:37,247 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 13:43:37,248 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:37,248 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:43:37,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:37,248 INFO L185 omatonBuilderFactory]: Interpolants [50944#(<= ULTIMATE.start_main_~i~4 49), 50945#(<= ULTIMATE.start_main_~i~4 50), 50946#(<= ULTIMATE.start_main_~i~4 51), 50947#(<= ULTIMATE.start_main_~i~4 52), 50948#(<= ULTIMATE.start_main_~i~4 53), 50949#(<= ULTIMATE.start_main_~i~4 54), 50950#(<= ULTIMATE.start_main_~i~4 55), 50951#(<= ULTIMATE.start_main_~i~4 56), 50952#(<= ULTIMATE.start_main_~i~4 57), 50953#(<= ULTIMATE.start_main_~i~4 58), 50954#(<= ULTIMATE.start_main_~i~4 59), 50955#(<= ULTIMATE.start_main_~i~4 60), 50956#(<= ULTIMATE.start_main_~i~4 61), 50957#(<= ULTIMATE.start_main_~i~4 62), 50958#(<= ULTIMATE.start_main_~i~4 63), 50959#(<= ULTIMATE.start_main_~i~4 64), 50960#(<= ULTIMATE.start_main_~i~4 65), 50961#(<= ULTIMATE.start_main_~i~4 66), 50962#(<= ULTIMATE.start_main_~i~4 67), 50963#(<= ULTIMATE.start_main_~i~4 68), 50964#(<= ULTIMATE.start_main_~i~4 69), 50965#(<= ULTIMATE.start_main_~i~4 70), 50966#(<= ULTIMATE.start_main_~i~4 71), 50967#(<= ULTIMATE.start_main_~i~4 72), 50968#(<= ULTIMATE.start_main_~i~4 73), 50969#(<= ULTIMATE.start_main_~i~4 74), 50970#(<= ULTIMATE.start_main_~i~4 75), 50971#(<= ULTIMATE.start_main_~i~4 76), 50972#(<= ULTIMATE.start_main_~i~4 77), 50973#(<= ULTIMATE.start_main_~i~4 78), 50974#(<= ULTIMATE.start_main_~i~4 79), 50975#(<= ULTIMATE.start_main_~i~4 80), 50976#(<= ULTIMATE.start_main_~i~4 81), 50977#(<= ULTIMATE.start_main_~i~4 82), 50978#(<= ULTIMATE.start_main_~i~4 83), 50979#(<= ULTIMATE.start_main_~i~4 84), 50980#(<= ULTIMATE.start_main_~i~4 85), 50981#(<= ULTIMATE.start_main_~i~4 86), 50982#(<= ULTIMATE.start_main_~i~4 87), 50983#(<= ULTIMATE.start_main_~i~4 88), 50984#(<= ULTIMATE.start_main_~i~4 89), 50985#(<= ULTIMATE.start_main_~i~4 90), 50986#(<= ULTIMATE.start_main_~i~4 91), 50987#(<= ULTIMATE.start_main_~i~4 92), 50988#(<= ULTIMATE.start_main_~i~4 93), 50989#(<= ULTIMATE.start_main_~i~4 94), 50990#(<= ULTIMATE.start_main_~i~4 95), 50991#(<= ULTIMATE.start_main_~i~4 96), 50992#(<= ULTIMATE.start_main_~i~4 97), 50993#(<= ULTIMATE.start_main_~i~4 98), 50994#(<= ULTIMATE.start_main_~i~4 99), 50995#(<= ULTIMATE.start_main_~i~4 100), 50996#(<= ULTIMATE.start_main_~i~4 101), 50997#(<= ULTIMATE.start_main_~i~4 102), 50998#(<= ULTIMATE.start_main_~i~4 103), 50893#true, 50894#false, 50895#(<= ULTIMATE.start_main_~i~4 0), 50896#(<= ULTIMATE.start_main_~i~4 1), 50897#(<= ULTIMATE.start_main_~i~4 2), 50898#(<= ULTIMATE.start_main_~i~4 3), 50899#(<= ULTIMATE.start_main_~i~4 4), 50900#(<= ULTIMATE.start_main_~i~4 5), 50901#(<= ULTIMATE.start_main_~i~4 6), 50902#(<= ULTIMATE.start_main_~i~4 7), 50903#(<= ULTIMATE.start_main_~i~4 8), 50904#(<= ULTIMATE.start_main_~i~4 9), 50905#(<= ULTIMATE.start_main_~i~4 10), 50906#(<= ULTIMATE.start_main_~i~4 11), 50907#(<= ULTIMATE.start_main_~i~4 12), 50908#(<= ULTIMATE.start_main_~i~4 13), 50909#(<= ULTIMATE.start_main_~i~4 14), 50910#(<= ULTIMATE.start_main_~i~4 15), 50911#(<= ULTIMATE.start_main_~i~4 16), 50912#(<= ULTIMATE.start_main_~i~4 17), 50913#(<= ULTIMATE.start_main_~i~4 18), 50914#(<= ULTIMATE.start_main_~i~4 19), 50915#(<= ULTIMATE.start_main_~i~4 20), 50916#(<= ULTIMATE.start_main_~i~4 21), 50917#(<= ULTIMATE.start_main_~i~4 22), 50918#(<= ULTIMATE.start_main_~i~4 23), 50919#(<= ULTIMATE.start_main_~i~4 24), 50920#(<= ULTIMATE.start_main_~i~4 25), 50921#(<= ULTIMATE.start_main_~i~4 26), 50922#(<= ULTIMATE.start_main_~i~4 27), 50923#(<= ULTIMATE.start_main_~i~4 28), 50924#(<= ULTIMATE.start_main_~i~4 29), 50925#(<= ULTIMATE.start_main_~i~4 30), 50926#(<= ULTIMATE.start_main_~i~4 31), 50927#(<= ULTIMATE.start_main_~i~4 32), 50928#(<= ULTIMATE.start_main_~i~4 33), 50929#(<= ULTIMATE.start_main_~i~4 34), 50930#(<= ULTIMATE.start_main_~i~4 35), 50931#(<= ULTIMATE.start_main_~i~4 36), 50932#(<= ULTIMATE.start_main_~i~4 37), 50933#(<= ULTIMATE.start_main_~i~4 38), 50934#(<= ULTIMATE.start_main_~i~4 39), 50935#(<= ULTIMATE.start_main_~i~4 40), 50936#(<= ULTIMATE.start_main_~i~4 41), 50937#(<= ULTIMATE.start_main_~i~4 42), 50938#(<= ULTIMATE.start_main_~i~4 43), 50939#(<= ULTIMATE.start_main_~i~4 44), 50940#(<= ULTIMATE.start_main_~i~4 45), 50941#(<= ULTIMATE.start_main_~i~4 46), 50942#(<= ULTIMATE.start_main_~i~4 47), 50943#(<= ULTIMATE.start_main_~i~4 48)] [2018-07-23 13:43:37,249 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 13:43:37,249 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:43:37,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:43:37,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:43:37,251 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 106 states. [2018-07-23 13:43:37,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:37,351 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:43:37,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:43:37,352 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 210 [2018-07-23 13:43:37,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:37,352 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:43:37,352 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:43:37,353 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:43:37,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:43:37,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:43:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:43:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:43:37,357 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 210 [2018-07-23 13:43:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:37,357 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:43:37,358 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:43:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:43:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:43:37,358 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:37,359 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1] [2018-07-23 13:43:37,359 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:37,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1944914601, now seen corresponding path program 104 times [2018-07-23 13:43:37,359 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:37,665 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 13:43:37,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:37,665 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:43:37,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:37,666 INFO L185 omatonBuilderFactory]: Interpolants [51855#true, 51856#false, 51857#(<= ULTIMATE.start_main_~i~4 0), 51858#(<= ULTIMATE.start_main_~i~4 1), 51859#(<= ULTIMATE.start_main_~i~4 2), 51860#(<= ULTIMATE.start_main_~i~4 3), 51861#(<= ULTIMATE.start_main_~i~4 4), 51862#(<= ULTIMATE.start_main_~i~4 5), 51863#(<= ULTIMATE.start_main_~i~4 6), 51864#(<= ULTIMATE.start_main_~i~4 7), 51865#(<= ULTIMATE.start_main_~i~4 8), 51866#(<= ULTIMATE.start_main_~i~4 9), 51867#(<= ULTIMATE.start_main_~i~4 10), 51868#(<= ULTIMATE.start_main_~i~4 11), 51869#(<= ULTIMATE.start_main_~i~4 12), 51870#(<= ULTIMATE.start_main_~i~4 13), 51871#(<= ULTIMATE.start_main_~i~4 14), 51872#(<= ULTIMATE.start_main_~i~4 15), 51873#(<= ULTIMATE.start_main_~i~4 16), 51874#(<= ULTIMATE.start_main_~i~4 17), 51875#(<= ULTIMATE.start_main_~i~4 18), 51876#(<= ULTIMATE.start_main_~i~4 19), 51877#(<= ULTIMATE.start_main_~i~4 20), 51878#(<= ULTIMATE.start_main_~i~4 21), 51879#(<= ULTIMATE.start_main_~i~4 22), 51880#(<= ULTIMATE.start_main_~i~4 23), 51881#(<= ULTIMATE.start_main_~i~4 24), 51882#(<= ULTIMATE.start_main_~i~4 25), 51883#(<= ULTIMATE.start_main_~i~4 26), 51884#(<= ULTIMATE.start_main_~i~4 27), 51885#(<= ULTIMATE.start_main_~i~4 28), 51886#(<= ULTIMATE.start_main_~i~4 29), 51887#(<= ULTIMATE.start_main_~i~4 30), 51888#(<= ULTIMATE.start_main_~i~4 31), 51889#(<= ULTIMATE.start_main_~i~4 32), 51890#(<= ULTIMATE.start_main_~i~4 33), 51891#(<= ULTIMATE.start_main_~i~4 34), 51892#(<= ULTIMATE.start_main_~i~4 35), 51893#(<= ULTIMATE.start_main_~i~4 36), 51894#(<= ULTIMATE.start_main_~i~4 37), 51895#(<= ULTIMATE.start_main_~i~4 38), 51896#(<= ULTIMATE.start_main_~i~4 39), 51897#(<= ULTIMATE.start_main_~i~4 40), 51898#(<= ULTIMATE.start_main_~i~4 41), 51899#(<= ULTIMATE.start_main_~i~4 42), 51900#(<= ULTIMATE.start_main_~i~4 43), 51901#(<= ULTIMATE.start_main_~i~4 44), 51902#(<= ULTIMATE.start_main_~i~4 45), 51903#(<= ULTIMATE.start_main_~i~4 46), 51904#(<= ULTIMATE.start_main_~i~4 47), 51905#(<= ULTIMATE.start_main_~i~4 48), 51906#(<= ULTIMATE.start_main_~i~4 49), 51907#(<= ULTIMATE.start_main_~i~4 50), 51908#(<= ULTIMATE.start_main_~i~4 51), 51909#(<= ULTIMATE.start_main_~i~4 52), 51910#(<= ULTIMATE.start_main_~i~4 53), 51911#(<= ULTIMATE.start_main_~i~4 54), 51912#(<= ULTIMATE.start_main_~i~4 55), 51913#(<= ULTIMATE.start_main_~i~4 56), 51914#(<= ULTIMATE.start_main_~i~4 57), 51915#(<= ULTIMATE.start_main_~i~4 58), 51916#(<= ULTIMATE.start_main_~i~4 59), 51917#(<= ULTIMATE.start_main_~i~4 60), 51918#(<= ULTIMATE.start_main_~i~4 61), 51919#(<= ULTIMATE.start_main_~i~4 62), 51920#(<= ULTIMATE.start_main_~i~4 63), 51921#(<= ULTIMATE.start_main_~i~4 64), 51922#(<= ULTIMATE.start_main_~i~4 65), 51923#(<= ULTIMATE.start_main_~i~4 66), 51924#(<= ULTIMATE.start_main_~i~4 67), 51925#(<= ULTIMATE.start_main_~i~4 68), 51926#(<= ULTIMATE.start_main_~i~4 69), 51927#(<= ULTIMATE.start_main_~i~4 70), 51928#(<= ULTIMATE.start_main_~i~4 71), 51929#(<= ULTIMATE.start_main_~i~4 72), 51930#(<= ULTIMATE.start_main_~i~4 73), 51931#(<= ULTIMATE.start_main_~i~4 74), 51932#(<= ULTIMATE.start_main_~i~4 75), 51933#(<= ULTIMATE.start_main_~i~4 76), 51934#(<= ULTIMATE.start_main_~i~4 77), 51935#(<= ULTIMATE.start_main_~i~4 78), 51936#(<= ULTIMATE.start_main_~i~4 79), 51937#(<= ULTIMATE.start_main_~i~4 80), 51938#(<= ULTIMATE.start_main_~i~4 81), 51939#(<= ULTIMATE.start_main_~i~4 82), 51940#(<= ULTIMATE.start_main_~i~4 83), 51941#(<= ULTIMATE.start_main_~i~4 84), 51942#(<= ULTIMATE.start_main_~i~4 85), 51943#(<= ULTIMATE.start_main_~i~4 86), 51944#(<= ULTIMATE.start_main_~i~4 87), 51945#(<= ULTIMATE.start_main_~i~4 88), 51946#(<= ULTIMATE.start_main_~i~4 89), 51947#(<= ULTIMATE.start_main_~i~4 90), 51948#(<= ULTIMATE.start_main_~i~4 91), 51949#(<= ULTIMATE.start_main_~i~4 92), 51950#(<= ULTIMATE.start_main_~i~4 93), 51951#(<= ULTIMATE.start_main_~i~4 94), 51952#(<= ULTIMATE.start_main_~i~4 95), 51953#(<= ULTIMATE.start_main_~i~4 96), 51954#(<= ULTIMATE.start_main_~i~4 97), 51955#(<= ULTIMATE.start_main_~i~4 98), 51956#(<= ULTIMATE.start_main_~i~4 99), 51957#(<= ULTIMATE.start_main_~i~4 100), 51958#(<= ULTIMATE.start_main_~i~4 101), 51959#(<= ULTIMATE.start_main_~i~4 102), 51960#(<= ULTIMATE.start_main_~i~4 103), 51961#(<= ULTIMATE.start_main_~i~4 104)] [2018-07-23 13:43:37,667 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 13:43:37,667 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:43:37,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:43:37,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:43:37,668 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 107 states. [2018-07-23 13:43:37,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:37,845 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:43:37,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:43:37,846 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 212 [2018-07-23 13:43:37,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:37,846 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:43:37,846 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:43:37,847 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 13:43:37,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:43:37,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:43:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:43:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:43:37,851 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 212 [2018-07-23 13:43:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:37,851 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:43:37,851 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:43:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:43:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:43:37,852 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:37,852 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1] [2018-07-23 13:43:37,852 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:37,853 INFO L82 PathProgramCache]: Analyzing trace with hash -752105711, now seen corresponding path program 105 times [2018-07-23 13:43:37,853 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:38,179 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 13:43:38,179 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:38,180 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:43:38,180 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:38,180 INFO L185 omatonBuilderFactory]: Interpolants [52826#true, 52827#false, 52828#(<= ULTIMATE.start_main_~i~4 0), 52829#(<= ULTIMATE.start_main_~i~4 1), 52830#(<= ULTIMATE.start_main_~i~4 2), 52831#(<= ULTIMATE.start_main_~i~4 3), 52832#(<= ULTIMATE.start_main_~i~4 4), 52833#(<= ULTIMATE.start_main_~i~4 5), 52834#(<= ULTIMATE.start_main_~i~4 6), 52835#(<= ULTIMATE.start_main_~i~4 7), 52836#(<= ULTIMATE.start_main_~i~4 8), 52837#(<= ULTIMATE.start_main_~i~4 9), 52838#(<= ULTIMATE.start_main_~i~4 10), 52839#(<= ULTIMATE.start_main_~i~4 11), 52840#(<= ULTIMATE.start_main_~i~4 12), 52841#(<= ULTIMATE.start_main_~i~4 13), 52842#(<= ULTIMATE.start_main_~i~4 14), 52843#(<= ULTIMATE.start_main_~i~4 15), 52844#(<= ULTIMATE.start_main_~i~4 16), 52845#(<= ULTIMATE.start_main_~i~4 17), 52846#(<= ULTIMATE.start_main_~i~4 18), 52847#(<= ULTIMATE.start_main_~i~4 19), 52848#(<= ULTIMATE.start_main_~i~4 20), 52849#(<= ULTIMATE.start_main_~i~4 21), 52850#(<= ULTIMATE.start_main_~i~4 22), 52851#(<= ULTIMATE.start_main_~i~4 23), 52852#(<= ULTIMATE.start_main_~i~4 24), 52853#(<= ULTIMATE.start_main_~i~4 25), 52854#(<= ULTIMATE.start_main_~i~4 26), 52855#(<= ULTIMATE.start_main_~i~4 27), 52856#(<= ULTIMATE.start_main_~i~4 28), 52857#(<= ULTIMATE.start_main_~i~4 29), 52858#(<= ULTIMATE.start_main_~i~4 30), 52859#(<= ULTIMATE.start_main_~i~4 31), 52860#(<= ULTIMATE.start_main_~i~4 32), 52861#(<= ULTIMATE.start_main_~i~4 33), 52862#(<= ULTIMATE.start_main_~i~4 34), 52863#(<= ULTIMATE.start_main_~i~4 35), 52864#(<= ULTIMATE.start_main_~i~4 36), 52865#(<= ULTIMATE.start_main_~i~4 37), 52866#(<= ULTIMATE.start_main_~i~4 38), 52867#(<= ULTIMATE.start_main_~i~4 39), 52868#(<= ULTIMATE.start_main_~i~4 40), 52869#(<= ULTIMATE.start_main_~i~4 41), 52870#(<= ULTIMATE.start_main_~i~4 42), 52871#(<= ULTIMATE.start_main_~i~4 43), 52872#(<= ULTIMATE.start_main_~i~4 44), 52873#(<= ULTIMATE.start_main_~i~4 45), 52874#(<= ULTIMATE.start_main_~i~4 46), 52875#(<= ULTIMATE.start_main_~i~4 47), 52876#(<= ULTIMATE.start_main_~i~4 48), 52877#(<= ULTIMATE.start_main_~i~4 49), 52878#(<= ULTIMATE.start_main_~i~4 50), 52879#(<= ULTIMATE.start_main_~i~4 51), 52880#(<= ULTIMATE.start_main_~i~4 52), 52881#(<= ULTIMATE.start_main_~i~4 53), 52882#(<= ULTIMATE.start_main_~i~4 54), 52883#(<= ULTIMATE.start_main_~i~4 55), 52884#(<= ULTIMATE.start_main_~i~4 56), 52885#(<= ULTIMATE.start_main_~i~4 57), 52886#(<= ULTIMATE.start_main_~i~4 58), 52887#(<= ULTIMATE.start_main_~i~4 59), 52888#(<= ULTIMATE.start_main_~i~4 60), 52889#(<= ULTIMATE.start_main_~i~4 61), 52890#(<= ULTIMATE.start_main_~i~4 62), 52891#(<= ULTIMATE.start_main_~i~4 63), 52892#(<= ULTIMATE.start_main_~i~4 64), 52893#(<= ULTIMATE.start_main_~i~4 65), 52894#(<= ULTIMATE.start_main_~i~4 66), 52895#(<= ULTIMATE.start_main_~i~4 67), 52896#(<= ULTIMATE.start_main_~i~4 68), 52897#(<= ULTIMATE.start_main_~i~4 69), 52898#(<= ULTIMATE.start_main_~i~4 70), 52899#(<= ULTIMATE.start_main_~i~4 71), 52900#(<= ULTIMATE.start_main_~i~4 72), 52901#(<= ULTIMATE.start_main_~i~4 73), 52902#(<= ULTIMATE.start_main_~i~4 74), 52903#(<= ULTIMATE.start_main_~i~4 75), 52904#(<= ULTIMATE.start_main_~i~4 76), 52905#(<= ULTIMATE.start_main_~i~4 77), 52906#(<= ULTIMATE.start_main_~i~4 78), 52907#(<= ULTIMATE.start_main_~i~4 79), 52908#(<= ULTIMATE.start_main_~i~4 80), 52909#(<= ULTIMATE.start_main_~i~4 81), 52910#(<= ULTIMATE.start_main_~i~4 82), 52911#(<= ULTIMATE.start_main_~i~4 83), 52912#(<= ULTIMATE.start_main_~i~4 84), 52913#(<= ULTIMATE.start_main_~i~4 85), 52914#(<= ULTIMATE.start_main_~i~4 86), 52915#(<= ULTIMATE.start_main_~i~4 87), 52916#(<= ULTIMATE.start_main_~i~4 88), 52917#(<= ULTIMATE.start_main_~i~4 89), 52918#(<= ULTIMATE.start_main_~i~4 90), 52919#(<= ULTIMATE.start_main_~i~4 91), 52920#(<= ULTIMATE.start_main_~i~4 92), 52921#(<= ULTIMATE.start_main_~i~4 93), 52922#(<= ULTIMATE.start_main_~i~4 94), 52923#(<= ULTIMATE.start_main_~i~4 95), 52924#(<= ULTIMATE.start_main_~i~4 96), 52925#(<= ULTIMATE.start_main_~i~4 97), 52926#(<= ULTIMATE.start_main_~i~4 98), 52927#(<= ULTIMATE.start_main_~i~4 99), 52928#(<= ULTIMATE.start_main_~i~4 100), 52929#(<= ULTIMATE.start_main_~i~4 101), 52930#(<= ULTIMATE.start_main_~i~4 102), 52931#(<= ULTIMATE.start_main_~i~4 103), 52932#(<= ULTIMATE.start_main_~i~4 104), 52933#(<= ULTIMATE.start_main_~i~4 105)] [2018-07-23 13:43:38,181 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 13:43:38,181 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:43:38,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:43:38,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:43:38,182 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 108 states. [2018-07-23 13:43:38,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:38,309 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:43:38,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:43:38,310 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 214 [2018-07-23 13:43:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:38,310 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:43:38,311 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:43:38,312 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 13:43:38,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:43:38,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:43:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:43:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:43:38,316 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 214 [2018-07-23 13:43:38,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:38,317 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:43:38,317 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:43:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:43:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:43:38,318 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:38,318 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1] [2018-07-23 13:43:38,318 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:38,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1219030453, now seen corresponding path program 106 times [2018-07-23 13:43:38,318 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:38,606 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 13:43:38,607 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:38,607 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:43:38,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:38,607 INFO L185 omatonBuilderFactory]: Interpolants [53806#true, 53807#false, 53808#(<= ULTIMATE.start_main_~i~4 0), 53809#(<= ULTIMATE.start_main_~i~4 1), 53810#(<= ULTIMATE.start_main_~i~4 2), 53811#(<= ULTIMATE.start_main_~i~4 3), 53812#(<= ULTIMATE.start_main_~i~4 4), 53813#(<= ULTIMATE.start_main_~i~4 5), 53814#(<= ULTIMATE.start_main_~i~4 6), 53815#(<= ULTIMATE.start_main_~i~4 7), 53816#(<= ULTIMATE.start_main_~i~4 8), 53817#(<= ULTIMATE.start_main_~i~4 9), 53818#(<= ULTIMATE.start_main_~i~4 10), 53819#(<= ULTIMATE.start_main_~i~4 11), 53820#(<= ULTIMATE.start_main_~i~4 12), 53821#(<= ULTIMATE.start_main_~i~4 13), 53822#(<= ULTIMATE.start_main_~i~4 14), 53823#(<= ULTIMATE.start_main_~i~4 15), 53824#(<= ULTIMATE.start_main_~i~4 16), 53825#(<= ULTIMATE.start_main_~i~4 17), 53826#(<= ULTIMATE.start_main_~i~4 18), 53827#(<= ULTIMATE.start_main_~i~4 19), 53828#(<= ULTIMATE.start_main_~i~4 20), 53829#(<= ULTIMATE.start_main_~i~4 21), 53830#(<= ULTIMATE.start_main_~i~4 22), 53831#(<= ULTIMATE.start_main_~i~4 23), 53832#(<= ULTIMATE.start_main_~i~4 24), 53833#(<= ULTIMATE.start_main_~i~4 25), 53834#(<= ULTIMATE.start_main_~i~4 26), 53835#(<= ULTIMATE.start_main_~i~4 27), 53836#(<= ULTIMATE.start_main_~i~4 28), 53837#(<= ULTIMATE.start_main_~i~4 29), 53838#(<= ULTIMATE.start_main_~i~4 30), 53839#(<= ULTIMATE.start_main_~i~4 31), 53840#(<= ULTIMATE.start_main_~i~4 32), 53841#(<= ULTIMATE.start_main_~i~4 33), 53842#(<= ULTIMATE.start_main_~i~4 34), 53843#(<= ULTIMATE.start_main_~i~4 35), 53844#(<= ULTIMATE.start_main_~i~4 36), 53845#(<= ULTIMATE.start_main_~i~4 37), 53846#(<= ULTIMATE.start_main_~i~4 38), 53847#(<= ULTIMATE.start_main_~i~4 39), 53848#(<= ULTIMATE.start_main_~i~4 40), 53849#(<= ULTIMATE.start_main_~i~4 41), 53850#(<= ULTIMATE.start_main_~i~4 42), 53851#(<= ULTIMATE.start_main_~i~4 43), 53852#(<= ULTIMATE.start_main_~i~4 44), 53853#(<= ULTIMATE.start_main_~i~4 45), 53854#(<= ULTIMATE.start_main_~i~4 46), 53855#(<= ULTIMATE.start_main_~i~4 47), 53856#(<= ULTIMATE.start_main_~i~4 48), 53857#(<= ULTIMATE.start_main_~i~4 49), 53858#(<= ULTIMATE.start_main_~i~4 50), 53859#(<= ULTIMATE.start_main_~i~4 51), 53860#(<= ULTIMATE.start_main_~i~4 52), 53861#(<= ULTIMATE.start_main_~i~4 53), 53862#(<= ULTIMATE.start_main_~i~4 54), 53863#(<= ULTIMATE.start_main_~i~4 55), 53864#(<= ULTIMATE.start_main_~i~4 56), 53865#(<= ULTIMATE.start_main_~i~4 57), 53866#(<= ULTIMATE.start_main_~i~4 58), 53867#(<= ULTIMATE.start_main_~i~4 59), 53868#(<= ULTIMATE.start_main_~i~4 60), 53869#(<= ULTIMATE.start_main_~i~4 61), 53870#(<= ULTIMATE.start_main_~i~4 62), 53871#(<= ULTIMATE.start_main_~i~4 63), 53872#(<= ULTIMATE.start_main_~i~4 64), 53873#(<= ULTIMATE.start_main_~i~4 65), 53874#(<= ULTIMATE.start_main_~i~4 66), 53875#(<= ULTIMATE.start_main_~i~4 67), 53876#(<= ULTIMATE.start_main_~i~4 68), 53877#(<= ULTIMATE.start_main_~i~4 69), 53878#(<= ULTIMATE.start_main_~i~4 70), 53879#(<= ULTIMATE.start_main_~i~4 71), 53880#(<= ULTIMATE.start_main_~i~4 72), 53881#(<= ULTIMATE.start_main_~i~4 73), 53882#(<= ULTIMATE.start_main_~i~4 74), 53883#(<= ULTIMATE.start_main_~i~4 75), 53884#(<= ULTIMATE.start_main_~i~4 76), 53885#(<= ULTIMATE.start_main_~i~4 77), 53886#(<= ULTIMATE.start_main_~i~4 78), 53887#(<= ULTIMATE.start_main_~i~4 79), 53888#(<= ULTIMATE.start_main_~i~4 80), 53889#(<= ULTIMATE.start_main_~i~4 81), 53890#(<= ULTIMATE.start_main_~i~4 82), 53891#(<= ULTIMATE.start_main_~i~4 83), 53892#(<= ULTIMATE.start_main_~i~4 84), 53893#(<= ULTIMATE.start_main_~i~4 85), 53894#(<= ULTIMATE.start_main_~i~4 86), 53895#(<= ULTIMATE.start_main_~i~4 87), 53896#(<= ULTIMATE.start_main_~i~4 88), 53897#(<= ULTIMATE.start_main_~i~4 89), 53898#(<= ULTIMATE.start_main_~i~4 90), 53899#(<= ULTIMATE.start_main_~i~4 91), 53900#(<= ULTIMATE.start_main_~i~4 92), 53901#(<= ULTIMATE.start_main_~i~4 93), 53902#(<= ULTIMATE.start_main_~i~4 94), 53903#(<= ULTIMATE.start_main_~i~4 95), 53904#(<= ULTIMATE.start_main_~i~4 96), 53905#(<= ULTIMATE.start_main_~i~4 97), 53906#(<= ULTIMATE.start_main_~i~4 98), 53907#(<= ULTIMATE.start_main_~i~4 99), 53908#(<= ULTIMATE.start_main_~i~4 100), 53909#(<= ULTIMATE.start_main_~i~4 101), 53910#(<= ULTIMATE.start_main_~i~4 102), 53911#(<= ULTIMATE.start_main_~i~4 103), 53912#(<= ULTIMATE.start_main_~i~4 104), 53913#(<= ULTIMATE.start_main_~i~4 105), 53914#(<= ULTIMATE.start_main_~i~4 106)] [2018-07-23 13:43:38,608 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 13:43:38,608 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:43:38,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:43:38,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:43:38,610 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 109 states. [2018-07-23 13:43:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:38,749 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:43:38,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:43:38,750 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 216 [2018-07-23 13:43:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:38,750 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:43:38,750 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:43:38,751 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:43:38,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:43:38,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:43:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:43:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:43:38,756 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 216 [2018-07-23 13:43:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:38,756 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:43:38,756 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:43:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:43:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:43:38,757 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:38,757 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1] [2018-07-23 13:43:38,757 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:38,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1037858565, now seen corresponding path program 107 times [2018-07-23 13:43:38,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:39,078 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 13:43:39,079 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:39,079 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:43:39,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:39,079 INFO L185 omatonBuilderFactory]: Interpolants [54795#true, 54796#false, 54797#(<= ULTIMATE.start_main_~i~4 0), 54798#(<= ULTIMATE.start_main_~i~4 1), 54799#(<= ULTIMATE.start_main_~i~4 2), 54800#(<= ULTIMATE.start_main_~i~4 3), 54801#(<= ULTIMATE.start_main_~i~4 4), 54802#(<= ULTIMATE.start_main_~i~4 5), 54803#(<= ULTIMATE.start_main_~i~4 6), 54804#(<= ULTIMATE.start_main_~i~4 7), 54805#(<= ULTIMATE.start_main_~i~4 8), 54806#(<= ULTIMATE.start_main_~i~4 9), 54807#(<= ULTIMATE.start_main_~i~4 10), 54808#(<= ULTIMATE.start_main_~i~4 11), 54809#(<= ULTIMATE.start_main_~i~4 12), 54810#(<= ULTIMATE.start_main_~i~4 13), 54811#(<= ULTIMATE.start_main_~i~4 14), 54812#(<= ULTIMATE.start_main_~i~4 15), 54813#(<= ULTIMATE.start_main_~i~4 16), 54814#(<= ULTIMATE.start_main_~i~4 17), 54815#(<= ULTIMATE.start_main_~i~4 18), 54816#(<= ULTIMATE.start_main_~i~4 19), 54817#(<= ULTIMATE.start_main_~i~4 20), 54818#(<= ULTIMATE.start_main_~i~4 21), 54819#(<= ULTIMATE.start_main_~i~4 22), 54820#(<= ULTIMATE.start_main_~i~4 23), 54821#(<= ULTIMATE.start_main_~i~4 24), 54822#(<= ULTIMATE.start_main_~i~4 25), 54823#(<= ULTIMATE.start_main_~i~4 26), 54824#(<= ULTIMATE.start_main_~i~4 27), 54825#(<= ULTIMATE.start_main_~i~4 28), 54826#(<= ULTIMATE.start_main_~i~4 29), 54827#(<= ULTIMATE.start_main_~i~4 30), 54828#(<= ULTIMATE.start_main_~i~4 31), 54829#(<= ULTIMATE.start_main_~i~4 32), 54830#(<= ULTIMATE.start_main_~i~4 33), 54831#(<= ULTIMATE.start_main_~i~4 34), 54832#(<= ULTIMATE.start_main_~i~4 35), 54833#(<= ULTIMATE.start_main_~i~4 36), 54834#(<= ULTIMATE.start_main_~i~4 37), 54835#(<= ULTIMATE.start_main_~i~4 38), 54836#(<= ULTIMATE.start_main_~i~4 39), 54837#(<= ULTIMATE.start_main_~i~4 40), 54838#(<= ULTIMATE.start_main_~i~4 41), 54839#(<= ULTIMATE.start_main_~i~4 42), 54840#(<= ULTIMATE.start_main_~i~4 43), 54841#(<= ULTIMATE.start_main_~i~4 44), 54842#(<= ULTIMATE.start_main_~i~4 45), 54843#(<= ULTIMATE.start_main_~i~4 46), 54844#(<= ULTIMATE.start_main_~i~4 47), 54845#(<= ULTIMATE.start_main_~i~4 48), 54846#(<= ULTIMATE.start_main_~i~4 49), 54847#(<= ULTIMATE.start_main_~i~4 50), 54848#(<= ULTIMATE.start_main_~i~4 51), 54849#(<= ULTIMATE.start_main_~i~4 52), 54850#(<= ULTIMATE.start_main_~i~4 53), 54851#(<= ULTIMATE.start_main_~i~4 54), 54852#(<= ULTIMATE.start_main_~i~4 55), 54853#(<= ULTIMATE.start_main_~i~4 56), 54854#(<= ULTIMATE.start_main_~i~4 57), 54855#(<= ULTIMATE.start_main_~i~4 58), 54856#(<= ULTIMATE.start_main_~i~4 59), 54857#(<= ULTIMATE.start_main_~i~4 60), 54858#(<= ULTIMATE.start_main_~i~4 61), 54859#(<= ULTIMATE.start_main_~i~4 62), 54860#(<= ULTIMATE.start_main_~i~4 63), 54861#(<= ULTIMATE.start_main_~i~4 64), 54862#(<= ULTIMATE.start_main_~i~4 65), 54863#(<= ULTIMATE.start_main_~i~4 66), 54864#(<= ULTIMATE.start_main_~i~4 67), 54865#(<= ULTIMATE.start_main_~i~4 68), 54866#(<= ULTIMATE.start_main_~i~4 69), 54867#(<= ULTIMATE.start_main_~i~4 70), 54868#(<= ULTIMATE.start_main_~i~4 71), 54869#(<= ULTIMATE.start_main_~i~4 72), 54870#(<= ULTIMATE.start_main_~i~4 73), 54871#(<= ULTIMATE.start_main_~i~4 74), 54872#(<= ULTIMATE.start_main_~i~4 75), 54873#(<= ULTIMATE.start_main_~i~4 76), 54874#(<= ULTIMATE.start_main_~i~4 77), 54875#(<= ULTIMATE.start_main_~i~4 78), 54876#(<= ULTIMATE.start_main_~i~4 79), 54877#(<= ULTIMATE.start_main_~i~4 80), 54878#(<= ULTIMATE.start_main_~i~4 81), 54879#(<= ULTIMATE.start_main_~i~4 82), 54880#(<= ULTIMATE.start_main_~i~4 83), 54881#(<= ULTIMATE.start_main_~i~4 84), 54882#(<= ULTIMATE.start_main_~i~4 85), 54883#(<= ULTIMATE.start_main_~i~4 86), 54884#(<= ULTIMATE.start_main_~i~4 87), 54885#(<= ULTIMATE.start_main_~i~4 88), 54886#(<= ULTIMATE.start_main_~i~4 89), 54887#(<= ULTIMATE.start_main_~i~4 90), 54888#(<= ULTIMATE.start_main_~i~4 91), 54889#(<= ULTIMATE.start_main_~i~4 92), 54890#(<= ULTIMATE.start_main_~i~4 93), 54891#(<= ULTIMATE.start_main_~i~4 94), 54892#(<= ULTIMATE.start_main_~i~4 95), 54893#(<= ULTIMATE.start_main_~i~4 96), 54894#(<= ULTIMATE.start_main_~i~4 97), 54895#(<= ULTIMATE.start_main_~i~4 98), 54896#(<= ULTIMATE.start_main_~i~4 99), 54897#(<= ULTIMATE.start_main_~i~4 100), 54898#(<= ULTIMATE.start_main_~i~4 101), 54899#(<= ULTIMATE.start_main_~i~4 102), 54900#(<= ULTIMATE.start_main_~i~4 103), 54901#(<= ULTIMATE.start_main_~i~4 104), 54902#(<= ULTIMATE.start_main_~i~4 105), 54903#(<= ULTIMATE.start_main_~i~4 106), 54904#(<= ULTIMATE.start_main_~i~4 107)] [2018-07-23 13:43:39,080 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 13:43:39,080 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:43:39,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:43:39,082 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:43:39,082 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 110 states. [2018-07-23 13:43:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:39,312 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:43:39,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:43:39,312 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 218 [2018-07-23 13:43:39,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:39,313 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:43:39,313 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:43:39,313 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 13:43:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:43:39,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:43:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:43:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:43:39,317 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 218 [2018-07-23 13:43:39,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:39,318 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:43:39,318 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:43:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:43:39,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:43:39,319 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:39,319 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1] [2018-07-23 13:43:39,319 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:39,319 INFO L82 PathProgramCache]: Analyzing trace with hash 949720383, now seen corresponding path program 108 times [2018-07-23 13:43:39,319 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:39,700 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 13:43:39,700 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:39,700 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:43:39,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:39,701 INFO L185 omatonBuilderFactory]: Interpolants [55808#(<= ULTIMATE.start_main_~i~4 13), 55809#(<= ULTIMATE.start_main_~i~4 14), 55810#(<= ULTIMATE.start_main_~i~4 15), 55811#(<= ULTIMATE.start_main_~i~4 16), 55812#(<= ULTIMATE.start_main_~i~4 17), 55813#(<= ULTIMATE.start_main_~i~4 18), 55814#(<= ULTIMATE.start_main_~i~4 19), 55815#(<= ULTIMATE.start_main_~i~4 20), 55816#(<= ULTIMATE.start_main_~i~4 21), 55817#(<= ULTIMATE.start_main_~i~4 22), 55818#(<= ULTIMATE.start_main_~i~4 23), 55819#(<= ULTIMATE.start_main_~i~4 24), 55820#(<= ULTIMATE.start_main_~i~4 25), 55821#(<= ULTIMATE.start_main_~i~4 26), 55822#(<= ULTIMATE.start_main_~i~4 27), 55823#(<= ULTIMATE.start_main_~i~4 28), 55824#(<= ULTIMATE.start_main_~i~4 29), 55825#(<= ULTIMATE.start_main_~i~4 30), 55826#(<= ULTIMATE.start_main_~i~4 31), 55827#(<= ULTIMATE.start_main_~i~4 32), 55828#(<= ULTIMATE.start_main_~i~4 33), 55829#(<= ULTIMATE.start_main_~i~4 34), 55830#(<= ULTIMATE.start_main_~i~4 35), 55831#(<= ULTIMATE.start_main_~i~4 36), 55832#(<= ULTIMATE.start_main_~i~4 37), 55833#(<= ULTIMATE.start_main_~i~4 38), 55834#(<= ULTIMATE.start_main_~i~4 39), 55835#(<= ULTIMATE.start_main_~i~4 40), 55836#(<= ULTIMATE.start_main_~i~4 41), 55837#(<= ULTIMATE.start_main_~i~4 42), 55838#(<= ULTIMATE.start_main_~i~4 43), 55839#(<= ULTIMATE.start_main_~i~4 44), 55840#(<= ULTIMATE.start_main_~i~4 45), 55841#(<= ULTIMATE.start_main_~i~4 46), 55842#(<= ULTIMATE.start_main_~i~4 47), 55843#(<= ULTIMATE.start_main_~i~4 48), 55844#(<= ULTIMATE.start_main_~i~4 49), 55845#(<= ULTIMATE.start_main_~i~4 50), 55846#(<= ULTIMATE.start_main_~i~4 51), 55847#(<= ULTIMATE.start_main_~i~4 52), 55848#(<= ULTIMATE.start_main_~i~4 53), 55849#(<= ULTIMATE.start_main_~i~4 54), 55850#(<= ULTIMATE.start_main_~i~4 55), 55851#(<= ULTIMATE.start_main_~i~4 56), 55852#(<= ULTIMATE.start_main_~i~4 57), 55853#(<= ULTIMATE.start_main_~i~4 58), 55854#(<= ULTIMATE.start_main_~i~4 59), 55855#(<= ULTIMATE.start_main_~i~4 60), 55856#(<= ULTIMATE.start_main_~i~4 61), 55857#(<= ULTIMATE.start_main_~i~4 62), 55858#(<= ULTIMATE.start_main_~i~4 63), 55859#(<= ULTIMATE.start_main_~i~4 64), 55860#(<= ULTIMATE.start_main_~i~4 65), 55861#(<= ULTIMATE.start_main_~i~4 66), 55862#(<= ULTIMATE.start_main_~i~4 67), 55863#(<= ULTIMATE.start_main_~i~4 68), 55864#(<= ULTIMATE.start_main_~i~4 69), 55865#(<= ULTIMATE.start_main_~i~4 70), 55866#(<= ULTIMATE.start_main_~i~4 71), 55867#(<= ULTIMATE.start_main_~i~4 72), 55868#(<= ULTIMATE.start_main_~i~4 73), 55869#(<= ULTIMATE.start_main_~i~4 74), 55870#(<= ULTIMATE.start_main_~i~4 75), 55871#(<= ULTIMATE.start_main_~i~4 76), 55872#(<= ULTIMATE.start_main_~i~4 77), 55873#(<= ULTIMATE.start_main_~i~4 78), 55874#(<= ULTIMATE.start_main_~i~4 79), 55875#(<= ULTIMATE.start_main_~i~4 80), 55876#(<= ULTIMATE.start_main_~i~4 81), 55877#(<= ULTIMATE.start_main_~i~4 82), 55878#(<= ULTIMATE.start_main_~i~4 83), 55879#(<= ULTIMATE.start_main_~i~4 84), 55880#(<= ULTIMATE.start_main_~i~4 85), 55881#(<= ULTIMATE.start_main_~i~4 86), 55882#(<= ULTIMATE.start_main_~i~4 87), 55883#(<= ULTIMATE.start_main_~i~4 88), 55884#(<= ULTIMATE.start_main_~i~4 89), 55885#(<= ULTIMATE.start_main_~i~4 90), 55886#(<= ULTIMATE.start_main_~i~4 91), 55887#(<= ULTIMATE.start_main_~i~4 92), 55888#(<= ULTIMATE.start_main_~i~4 93), 55889#(<= ULTIMATE.start_main_~i~4 94), 55890#(<= ULTIMATE.start_main_~i~4 95), 55891#(<= ULTIMATE.start_main_~i~4 96), 55892#(<= ULTIMATE.start_main_~i~4 97), 55893#(<= ULTIMATE.start_main_~i~4 98), 55894#(<= ULTIMATE.start_main_~i~4 99), 55895#(<= ULTIMATE.start_main_~i~4 100), 55896#(<= ULTIMATE.start_main_~i~4 101), 55897#(<= ULTIMATE.start_main_~i~4 102), 55898#(<= ULTIMATE.start_main_~i~4 103), 55899#(<= ULTIMATE.start_main_~i~4 104), 55900#(<= ULTIMATE.start_main_~i~4 105), 55901#(<= ULTIMATE.start_main_~i~4 106), 55902#(<= ULTIMATE.start_main_~i~4 107), 55903#(<= ULTIMATE.start_main_~i~4 108), 55793#true, 55794#false, 55795#(<= ULTIMATE.start_main_~i~4 0), 55796#(<= ULTIMATE.start_main_~i~4 1), 55797#(<= ULTIMATE.start_main_~i~4 2), 55798#(<= ULTIMATE.start_main_~i~4 3), 55799#(<= ULTIMATE.start_main_~i~4 4), 55800#(<= ULTIMATE.start_main_~i~4 5), 55801#(<= ULTIMATE.start_main_~i~4 6), 55802#(<= ULTIMATE.start_main_~i~4 7), 55803#(<= ULTIMATE.start_main_~i~4 8), 55804#(<= ULTIMATE.start_main_~i~4 9), 55805#(<= ULTIMATE.start_main_~i~4 10), 55806#(<= ULTIMATE.start_main_~i~4 11), 55807#(<= ULTIMATE.start_main_~i~4 12)] [2018-07-23 13:43:39,701 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 13:43:39,701 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:43:39,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:43:39,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:43:39,703 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 111 states. [2018-07-23 13:43:39,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:39,917 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:43:39,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:43:39,917 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 220 [2018-07-23 13:43:39,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:39,918 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:43:39,918 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:43:39,919 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 13:43:39,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:43:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:43:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:43:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:43:39,924 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 220 [2018-07-23 13:43:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:39,924 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:43:39,925 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:43:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:43:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:43:39,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:39,926 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1] [2018-07-23 13:43:39,926 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:39,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2146693895, now seen corresponding path program 109 times [2018-07-23 13:43:39,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:40,435 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 13:43:40,436 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:40,436 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:43:40,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:40,436 INFO L185 omatonBuilderFactory]: Interpolants [56832#(<= ULTIMATE.start_main_~i~4 30), 56833#(<= ULTIMATE.start_main_~i~4 31), 56834#(<= ULTIMATE.start_main_~i~4 32), 56835#(<= ULTIMATE.start_main_~i~4 33), 56836#(<= ULTIMATE.start_main_~i~4 34), 56837#(<= ULTIMATE.start_main_~i~4 35), 56838#(<= ULTIMATE.start_main_~i~4 36), 56839#(<= ULTIMATE.start_main_~i~4 37), 56840#(<= ULTIMATE.start_main_~i~4 38), 56841#(<= ULTIMATE.start_main_~i~4 39), 56842#(<= ULTIMATE.start_main_~i~4 40), 56843#(<= ULTIMATE.start_main_~i~4 41), 56844#(<= ULTIMATE.start_main_~i~4 42), 56845#(<= ULTIMATE.start_main_~i~4 43), 56846#(<= ULTIMATE.start_main_~i~4 44), 56847#(<= ULTIMATE.start_main_~i~4 45), 56848#(<= ULTIMATE.start_main_~i~4 46), 56849#(<= ULTIMATE.start_main_~i~4 47), 56850#(<= ULTIMATE.start_main_~i~4 48), 56851#(<= ULTIMATE.start_main_~i~4 49), 56852#(<= ULTIMATE.start_main_~i~4 50), 56853#(<= ULTIMATE.start_main_~i~4 51), 56854#(<= ULTIMATE.start_main_~i~4 52), 56855#(<= ULTIMATE.start_main_~i~4 53), 56856#(<= ULTIMATE.start_main_~i~4 54), 56857#(<= ULTIMATE.start_main_~i~4 55), 56858#(<= ULTIMATE.start_main_~i~4 56), 56859#(<= ULTIMATE.start_main_~i~4 57), 56860#(<= ULTIMATE.start_main_~i~4 58), 56861#(<= ULTIMATE.start_main_~i~4 59), 56862#(<= ULTIMATE.start_main_~i~4 60), 56863#(<= ULTIMATE.start_main_~i~4 61), 56864#(<= ULTIMATE.start_main_~i~4 62), 56865#(<= ULTIMATE.start_main_~i~4 63), 56866#(<= ULTIMATE.start_main_~i~4 64), 56867#(<= ULTIMATE.start_main_~i~4 65), 56868#(<= ULTIMATE.start_main_~i~4 66), 56869#(<= ULTIMATE.start_main_~i~4 67), 56870#(<= ULTIMATE.start_main_~i~4 68), 56871#(<= ULTIMATE.start_main_~i~4 69), 56872#(<= ULTIMATE.start_main_~i~4 70), 56873#(<= ULTIMATE.start_main_~i~4 71), 56874#(<= ULTIMATE.start_main_~i~4 72), 56875#(<= ULTIMATE.start_main_~i~4 73), 56876#(<= ULTIMATE.start_main_~i~4 74), 56877#(<= ULTIMATE.start_main_~i~4 75), 56878#(<= ULTIMATE.start_main_~i~4 76), 56879#(<= ULTIMATE.start_main_~i~4 77), 56880#(<= ULTIMATE.start_main_~i~4 78), 56881#(<= ULTIMATE.start_main_~i~4 79), 56882#(<= ULTIMATE.start_main_~i~4 80), 56883#(<= ULTIMATE.start_main_~i~4 81), 56884#(<= ULTIMATE.start_main_~i~4 82), 56885#(<= ULTIMATE.start_main_~i~4 83), 56886#(<= ULTIMATE.start_main_~i~4 84), 56887#(<= ULTIMATE.start_main_~i~4 85), 56888#(<= ULTIMATE.start_main_~i~4 86), 56889#(<= ULTIMATE.start_main_~i~4 87), 56890#(<= ULTIMATE.start_main_~i~4 88), 56891#(<= ULTIMATE.start_main_~i~4 89), 56892#(<= ULTIMATE.start_main_~i~4 90), 56893#(<= ULTIMATE.start_main_~i~4 91), 56894#(<= ULTIMATE.start_main_~i~4 92), 56895#(<= ULTIMATE.start_main_~i~4 93), 56896#(<= ULTIMATE.start_main_~i~4 94), 56897#(<= ULTIMATE.start_main_~i~4 95), 56898#(<= ULTIMATE.start_main_~i~4 96), 56899#(<= ULTIMATE.start_main_~i~4 97), 56900#(<= ULTIMATE.start_main_~i~4 98), 56901#(<= ULTIMATE.start_main_~i~4 99), 56902#(<= ULTIMATE.start_main_~i~4 100), 56903#(<= ULTIMATE.start_main_~i~4 101), 56904#(<= ULTIMATE.start_main_~i~4 102), 56905#(<= ULTIMATE.start_main_~i~4 103), 56906#(<= ULTIMATE.start_main_~i~4 104), 56907#(<= ULTIMATE.start_main_~i~4 105), 56908#(<= ULTIMATE.start_main_~i~4 106), 56909#(<= ULTIMATE.start_main_~i~4 107), 56910#(<= ULTIMATE.start_main_~i~4 108), 56911#(<= ULTIMATE.start_main_~i~4 109), 56800#true, 56801#false, 56802#(<= ULTIMATE.start_main_~i~4 0), 56803#(<= ULTIMATE.start_main_~i~4 1), 56804#(<= ULTIMATE.start_main_~i~4 2), 56805#(<= ULTIMATE.start_main_~i~4 3), 56806#(<= ULTIMATE.start_main_~i~4 4), 56807#(<= ULTIMATE.start_main_~i~4 5), 56808#(<= ULTIMATE.start_main_~i~4 6), 56809#(<= ULTIMATE.start_main_~i~4 7), 56810#(<= ULTIMATE.start_main_~i~4 8), 56811#(<= ULTIMATE.start_main_~i~4 9), 56812#(<= ULTIMATE.start_main_~i~4 10), 56813#(<= ULTIMATE.start_main_~i~4 11), 56814#(<= ULTIMATE.start_main_~i~4 12), 56815#(<= ULTIMATE.start_main_~i~4 13), 56816#(<= ULTIMATE.start_main_~i~4 14), 56817#(<= ULTIMATE.start_main_~i~4 15), 56818#(<= ULTIMATE.start_main_~i~4 16), 56819#(<= ULTIMATE.start_main_~i~4 17), 56820#(<= ULTIMATE.start_main_~i~4 18), 56821#(<= ULTIMATE.start_main_~i~4 19), 56822#(<= ULTIMATE.start_main_~i~4 20), 56823#(<= ULTIMATE.start_main_~i~4 21), 56824#(<= ULTIMATE.start_main_~i~4 22), 56825#(<= ULTIMATE.start_main_~i~4 23), 56826#(<= ULTIMATE.start_main_~i~4 24), 56827#(<= ULTIMATE.start_main_~i~4 25), 56828#(<= ULTIMATE.start_main_~i~4 26), 56829#(<= ULTIMATE.start_main_~i~4 27), 56830#(<= ULTIMATE.start_main_~i~4 28), 56831#(<= ULTIMATE.start_main_~i~4 29)] [2018-07-23 13:43:40,437 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 13:43:40,437 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:43:40,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:43:40,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:43:40,439 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 112 states. [2018-07-23 13:43:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:40,596 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:43:40,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:43:40,597 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 222 [2018-07-23 13:43:40,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:40,597 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:43:40,597 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:43:40,598 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:43:40,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:43:40,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:43:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:43:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:43:40,601 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 222 [2018-07-23 13:43:40,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:40,601 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:43:40,602 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:43:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:43:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:43:40,602 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:40,602 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1] [2018-07-23 13:43:40,603 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:40,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1388478925, now seen corresponding path program 110 times [2018-07-23 13:43:40,603 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:40,966 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 13:43:40,966 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:40,967 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:43:40,967 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:40,967 INFO L185 omatonBuilderFactory]: Interpolants [57856#(<= ULTIMATE.start_main_~i~4 38), 57857#(<= ULTIMATE.start_main_~i~4 39), 57858#(<= ULTIMATE.start_main_~i~4 40), 57859#(<= ULTIMATE.start_main_~i~4 41), 57860#(<= ULTIMATE.start_main_~i~4 42), 57861#(<= ULTIMATE.start_main_~i~4 43), 57862#(<= ULTIMATE.start_main_~i~4 44), 57863#(<= ULTIMATE.start_main_~i~4 45), 57864#(<= ULTIMATE.start_main_~i~4 46), 57865#(<= ULTIMATE.start_main_~i~4 47), 57866#(<= ULTIMATE.start_main_~i~4 48), 57867#(<= ULTIMATE.start_main_~i~4 49), 57868#(<= ULTIMATE.start_main_~i~4 50), 57869#(<= ULTIMATE.start_main_~i~4 51), 57870#(<= ULTIMATE.start_main_~i~4 52), 57871#(<= ULTIMATE.start_main_~i~4 53), 57872#(<= ULTIMATE.start_main_~i~4 54), 57873#(<= ULTIMATE.start_main_~i~4 55), 57874#(<= ULTIMATE.start_main_~i~4 56), 57875#(<= ULTIMATE.start_main_~i~4 57), 57876#(<= ULTIMATE.start_main_~i~4 58), 57877#(<= ULTIMATE.start_main_~i~4 59), 57878#(<= ULTIMATE.start_main_~i~4 60), 57879#(<= ULTIMATE.start_main_~i~4 61), 57880#(<= ULTIMATE.start_main_~i~4 62), 57881#(<= ULTIMATE.start_main_~i~4 63), 57882#(<= ULTIMATE.start_main_~i~4 64), 57883#(<= ULTIMATE.start_main_~i~4 65), 57884#(<= ULTIMATE.start_main_~i~4 66), 57885#(<= ULTIMATE.start_main_~i~4 67), 57886#(<= ULTIMATE.start_main_~i~4 68), 57887#(<= ULTIMATE.start_main_~i~4 69), 57888#(<= ULTIMATE.start_main_~i~4 70), 57889#(<= ULTIMATE.start_main_~i~4 71), 57890#(<= ULTIMATE.start_main_~i~4 72), 57891#(<= ULTIMATE.start_main_~i~4 73), 57892#(<= ULTIMATE.start_main_~i~4 74), 57893#(<= ULTIMATE.start_main_~i~4 75), 57894#(<= ULTIMATE.start_main_~i~4 76), 57895#(<= ULTIMATE.start_main_~i~4 77), 57896#(<= ULTIMATE.start_main_~i~4 78), 57897#(<= ULTIMATE.start_main_~i~4 79), 57898#(<= ULTIMATE.start_main_~i~4 80), 57899#(<= ULTIMATE.start_main_~i~4 81), 57900#(<= ULTIMATE.start_main_~i~4 82), 57901#(<= ULTIMATE.start_main_~i~4 83), 57902#(<= ULTIMATE.start_main_~i~4 84), 57903#(<= ULTIMATE.start_main_~i~4 85), 57904#(<= ULTIMATE.start_main_~i~4 86), 57905#(<= ULTIMATE.start_main_~i~4 87), 57906#(<= ULTIMATE.start_main_~i~4 88), 57907#(<= ULTIMATE.start_main_~i~4 89), 57908#(<= ULTIMATE.start_main_~i~4 90), 57909#(<= ULTIMATE.start_main_~i~4 91), 57910#(<= ULTIMATE.start_main_~i~4 92), 57911#(<= ULTIMATE.start_main_~i~4 93), 57912#(<= ULTIMATE.start_main_~i~4 94), 57913#(<= ULTIMATE.start_main_~i~4 95), 57914#(<= ULTIMATE.start_main_~i~4 96), 57915#(<= ULTIMATE.start_main_~i~4 97), 57916#(<= ULTIMATE.start_main_~i~4 98), 57917#(<= ULTIMATE.start_main_~i~4 99), 57918#(<= ULTIMATE.start_main_~i~4 100), 57919#(<= ULTIMATE.start_main_~i~4 101), 57920#(<= ULTIMATE.start_main_~i~4 102), 57921#(<= ULTIMATE.start_main_~i~4 103), 57922#(<= ULTIMATE.start_main_~i~4 104), 57923#(<= ULTIMATE.start_main_~i~4 105), 57924#(<= ULTIMATE.start_main_~i~4 106), 57925#(<= ULTIMATE.start_main_~i~4 107), 57926#(<= ULTIMATE.start_main_~i~4 108), 57927#(<= ULTIMATE.start_main_~i~4 109), 57928#(<= ULTIMATE.start_main_~i~4 110), 57816#true, 57817#false, 57818#(<= ULTIMATE.start_main_~i~4 0), 57819#(<= ULTIMATE.start_main_~i~4 1), 57820#(<= ULTIMATE.start_main_~i~4 2), 57821#(<= ULTIMATE.start_main_~i~4 3), 57822#(<= ULTIMATE.start_main_~i~4 4), 57823#(<= ULTIMATE.start_main_~i~4 5), 57824#(<= ULTIMATE.start_main_~i~4 6), 57825#(<= ULTIMATE.start_main_~i~4 7), 57826#(<= ULTIMATE.start_main_~i~4 8), 57827#(<= ULTIMATE.start_main_~i~4 9), 57828#(<= ULTIMATE.start_main_~i~4 10), 57829#(<= ULTIMATE.start_main_~i~4 11), 57830#(<= ULTIMATE.start_main_~i~4 12), 57831#(<= ULTIMATE.start_main_~i~4 13), 57832#(<= ULTIMATE.start_main_~i~4 14), 57833#(<= ULTIMATE.start_main_~i~4 15), 57834#(<= ULTIMATE.start_main_~i~4 16), 57835#(<= ULTIMATE.start_main_~i~4 17), 57836#(<= ULTIMATE.start_main_~i~4 18), 57837#(<= ULTIMATE.start_main_~i~4 19), 57838#(<= ULTIMATE.start_main_~i~4 20), 57839#(<= ULTIMATE.start_main_~i~4 21), 57840#(<= ULTIMATE.start_main_~i~4 22), 57841#(<= ULTIMATE.start_main_~i~4 23), 57842#(<= ULTIMATE.start_main_~i~4 24), 57843#(<= ULTIMATE.start_main_~i~4 25), 57844#(<= ULTIMATE.start_main_~i~4 26), 57845#(<= ULTIMATE.start_main_~i~4 27), 57846#(<= ULTIMATE.start_main_~i~4 28), 57847#(<= ULTIMATE.start_main_~i~4 29), 57848#(<= ULTIMATE.start_main_~i~4 30), 57849#(<= ULTIMATE.start_main_~i~4 31), 57850#(<= ULTIMATE.start_main_~i~4 32), 57851#(<= ULTIMATE.start_main_~i~4 33), 57852#(<= ULTIMATE.start_main_~i~4 34), 57853#(<= ULTIMATE.start_main_~i~4 35), 57854#(<= ULTIMATE.start_main_~i~4 36), 57855#(<= ULTIMATE.start_main_~i~4 37)] [2018-07-23 13:43:40,968 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 13:43:40,968 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:43:40,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:43:40,970 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:43:40,970 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 113 states. [2018-07-23 13:43:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:41,116 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:43:41,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:43:41,116 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 224 [2018-07-23 13:43:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:41,117 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:43:41,117 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:43:41,118 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 13:43:41,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:43:41,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:43:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:43:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:43:41,123 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 224 [2018-07-23 13:43:41,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:41,124 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:43:41,124 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:43:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:43:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:43:41,125 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:41,125 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1] [2018-07-23 13:43:41,125 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:41,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1406634221, now seen corresponding path program 111 times [2018-07-23 13:43:41,126 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:41,648 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 13:43:41,649 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:41,649 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:43:41,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:41,649 INFO L185 omatonBuilderFactory]: Interpolants [58880#(<= ULTIMATE.start_main_~i~4 37), 58881#(<= ULTIMATE.start_main_~i~4 38), 58882#(<= ULTIMATE.start_main_~i~4 39), 58883#(<= ULTIMATE.start_main_~i~4 40), 58884#(<= ULTIMATE.start_main_~i~4 41), 58885#(<= ULTIMATE.start_main_~i~4 42), 58886#(<= ULTIMATE.start_main_~i~4 43), 58887#(<= ULTIMATE.start_main_~i~4 44), 58888#(<= ULTIMATE.start_main_~i~4 45), 58889#(<= ULTIMATE.start_main_~i~4 46), 58890#(<= ULTIMATE.start_main_~i~4 47), 58891#(<= ULTIMATE.start_main_~i~4 48), 58892#(<= ULTIMATE.start_main_~i~4 49), 58893#(<= ULTIMATE.start_main_~i~4 50), 58894#(<= ULTIMATE.start_main_~i~4 51), 58895#(<= ULTIMATE.start_main_~i~4 52), 58896#(<= ULTIMATE.start_main_~i~4 53), 58897#(<= ULTIMATE.start_main_~i~4 54), 58898#(<= ULTIMATE.start_main_~i~4 55), 58899#(<= ULTIMATE.start_main_~i~4 56), 58900#(<= ULTIMATE.start_main_~i~4 57), 58901#(<= ULTIMATE.start_main_~i~4 58), 58902#(<= ULTIMATE.start_main_~i~4 59), 58903#(<= ULTIMATE.start_main_~i~4 60), 58904#(<= ULTIMATE.start_main_~i~4 61), 58905#(<= ULTIMATE.start_main_~i~4 62), 58906#(<= ULTIMATE.start_main_~i~4 63), 58907#(<= ULTIMATE.start_main_~i~4 64), 58908#(<= ULTIMATE.start_main_~i~4 65), 58909#(<= ULTIMATE.start_main_~i~4 66), 58910#(<= ULTIMATE.start_main_~i~4 67), 58911#(<= ULTIMATE.start_main_~i~4 68), 58912#(<= ULTIMATE.start_main_~i~4 69), 58913#(<= ULTIMATE.start_main_~i~4 70), 58914#(<= ULTIMATE.start_main_~i~4 71), 58915#(<= ULTIMATE.start_main_~i~4 72), 58916#(<= ULTIMATE.start_main_~i~4 73), 58917#(<= ULTIMATE.start_main_~i~4 74), 58918#(<= ULTIMATE.start_main_~i~4 75), 58919#(<= ULTIMATE.start_main_~i~4 76), 58920#(<= ULTIMATE.start_main_~i~4 77), 58921#(<= ULTIMATE.start_main_~i~4 78), 58922#(<= ULTIMATE.start_main_~i~4 79), 58923#(<= ULTIMATE.start_main_~i~4 80), 58924#(<= ULTIMATE.start_main_~i~4 81), 58925#(<= ULTIMATE.start_main_~i~4 82), 58926#(<= ULTIMATE.start_main_~i~4 83), 58927#(<= ULTIMATE.start_main_~i~4 84), 58928#(<= ULTIMATE.start_main_~i~4 85), 58929#(<= ULTIMATE.start_main_~i~4 86), 58930#(<= ULTIMATE.start_main_~i~4 87), 58931#(<= ULTIMATE.start_main_~i~4 88), 58932#(<= ULTIMATE.start_main_~i~4 89), 58933#(<= ULTIMATE.start_main_~i~4 90), 58934#(<= ULTIMATE.start_main_~i~4 91), 58935#(<= ULTIMATE.start_main_~i~4 92), 58936#(<= ULTIMATE.start_main_~i~4 93), 58937#(<= ULTIMATE.start_main_~i~4 94), 58938#(<= ULTIMATE.start_main_~i~4 95), 58939#(<= ULTIMATE.start_main_~i~4 96), 58940#(<= ULTIMATE.start_main_~i~4 97), 58941#(<= ULTIMATE.start_main_~i~4 98), 58942#(<= ULTIMATE.start_main_~i~4 99), 58943#(<= ULTIMATE.start_main_~i~4 100), 58944#(<= ULTIMATE.start_main_~i~4 101), 58945#(<= ULTIMATE.start_main_~i~4 102), 58946#(<= ULTIMATE.start_main_~i~4 103), 58947#(<= ULTIMATE.start_main_~i~4 104), 58948#(<= ULTIMATE.start_main_~i~4 105), 58949#(<= ULTIMATE.start_main_~i~4 106), 58950#(<= ULTIMATE.start_main_~i~4 107), 58951#(<= ULTIMATE.start_main_~i~4 108), 58952#(<= ULTIMATE.start_main_~i~4 109), 58953#(<= ULTIMATE.start_main_~i~4 110), 58954#(<= ULTIMATE.start_main_~i~4 111), 58841#true, 58842#false, 58843#(<= ULTIMATE.start_main_~i~4 0), 58844#(<= ULTIMATE.start_main_~i~4 1), 58845#(<= ULTIMATE.start_main_~i~4 2), 58846#(<= ULTIMATE.start_main_~i~4 3), 58847#(<= ULTIMATE.start_main_~i~4 4), 58848#(<= ULTIMATE.start_main_~i~4 5), 58849#(<= ULTIMATE.start_main_~i~4 6), 58850#(<= ULTIMATE.start_main_~i~4 7), 58851#(<= ULTIMATE.start_main_~i~4 8), 58852#(<= ULTIMATE.start_main_~i~4 9), 58853#(<= ULTIMATE.start_main_~i~4 10), 58854#(<= ULTIMATE.start_main_~i~4 11), 58855#(<= ULTIMATE.start_main_~i~4 12), 58856#(<= ULTIMATE.start_main_~i~4 13), 58857#(<= ULTIMATE.start_main_~i~4 14), 58858#(<= ULTIMATE.start_main_~i~4 15), 58859#(<= ULTIMATE.start_main_~i~4 16), 58860#(<= ULTIMATE.start_main_~i~4 17), 58861#(<= ULTIMATE.start_main_~i~4 18), 58862#(<= ULTIMATE.start_main_~i~4 19), 58863#(<= ULTIMATE.start_main_~i~4 20), 58864#(<= ULTIMATE.start_main_~i~4 21), 58865#(<= ULTIMATE.start_main_~i~4 22), 58866#(<= ULTIMATE.start_main_~i~4 23), 58867#(<= ULTIMATE.start_main_~i~4 24), 58868#(<= ULTIMATE.start_main_~i~4 25), 58869#(<= ULTIMATE.start_main_~i~4 26), 58870#(<= ULTIMATE.start_main_~i~4 27), 58871#(<= ULTIMATE.start_main_~i~4 28), 58872#(<= ULTIMATE.start_main_~i~4 29), 58873#(<= ULTIMATE.start_main_~i~4 30), 58874#(<= ULTIMATE.start_main_~i~4 31), 58875#(<= ULTIMATE.start_main_~i~4 32), 58876#(<= ULTIMATE.start_main_~i~4 33), 58877#(<= ULTIMATE.start_main_~i~4 34), 58878#(<= ULTIMATE.start_main_~i~4 35), 58879#(<= ULTIMATE.start_main_~i~4 36)] [2018-07-23 13:43:41,650 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 13:43:41,650 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:43:41,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:43:41,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:43:41,652 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 114 states. [2018-07-23 13:43:41,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:41,827 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:43:41,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:43:41,827 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 226 [2018-07-23 13:43:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:41,828 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:43:41,828 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:43:41,829 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:43:41,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:43:41,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:43:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:43:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:43:41,832 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 226 [2018-07-23 13:43:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:41,832 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:43:41,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:43:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:43:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:43:41,833 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:41,833 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1] [2018-07-23 13:43:41,833 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:41,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1139159769, now seen corresponding path program 112 times [2018-07-23 13:43:41,833 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:42,238 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 13:43:42,238 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:42,239 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:43:42,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:42,239 INFO L185 omatonBuilderFactory]: Interpolants [59904#(<= ULTIMATE.start_main_~i~4 27), 59905#(<= ULTIMATE.start_main_~i~4 28), 59906#(<= ULTIMATE.start_main_~i~4 29), 59907#(<= ULTIMATE.start_main_~i~4 30), 59908#(<= ULTIMATE.start_main_~i~4 31), 59909#(<= ULTIMATE.start_main_~i~4 32), 59910#(<= ULTIMATE.start_main_~i~4 33), 59911#(<= ULTIMATE.start_main_~i~4 34), 59912#(<= ULTIMATE.start_main_~i~4 35), 59913#(<= ULTIMATE.start_main_~i~4 36), 59914#(<= ULTIMATE.start_main_~i~4 37), 59915#(<= ULTIMATE.start_main_~i~4 38), 59916#(<= ULTIMATE.start_main_~i~4 39), 59917#(<= ULTIMATE.start_main_~i~4 40), 59918#(<= ULTIMATE.start_main_~i~4 41), 59919#(<= ULTIMATE.start_main_~i~4 42), 59920#(<= ULTIMATE.start_main_~i~4 43), 59921#(<= ULTIMATE.start_main_~i~4 44), 59922#(<= ULTIMATE.start_main_~i~4 45), 59923#(<= ULTIMATE.start_main_~i~4 46), 59924#(<= ULTIMATE.start_main_~i~4 47), 59925#(<= ULTIMATE.start_main_~i~4 48), 59926#(<= ULTIMATE.start_main_~i~4 49), 59927#(<= ULTIMATE.start_main_~i~4 50), 59928#(<= ULTIMATE.start_main_~i~4 51), 59929#(<= ULTIMATE.start_main_~i~4 52), 59930#(<= ULTIMATE.start_main_~i~4 53), 59931#(<= ULTIMATE.start_main_~i~4 54), 59932#(<= ULTIMATE.start_main_~i~4 55), 59933#(<= ULTIMATE.start_main_~i~4 56), 59934#(<= ULTIMATE.start_main_~i~4 57), 59935#(<= ULTIMATE.start_main_~i~4 58), 59936#(<= ULTIMATE.start_main_~i~4 59), 59937#(<= ULTIMATE.start_main_~i~4 60), 59938#(<= ULTIMATE.start_main_~i~4 61), 59939#(<= ULTIMATE.start_main_~i~4 62), 59940#(<= ULTIMATE.start_main_~i~4 63), 59941#(<= ULTIMATE.start_main_~i~4 64), 59942#(<= ULTIMATE.start_main_~i~4 65), 59943#(<= ULTIMATE.start_main_~i~4 66), 59944#(<= ULTIMATE.start_main_~i~4 67), 59945#(<= ULTIMATE.start_main_~i~4 68), 59946#(<= ULTIMATE.start_main_~i~4 69), 59947#(<= ULTIMATE.start_main_~i~4 70), 59948#(<= ULTIMATE.start_main_~i~4 71), 59949#(<= ULTIMATE.start_main_~i~4 72), 59950#(<= ULTIMATE.start_main_~i~4 73), 59951#(<= ULTIMATE.start_main_~i~4 74), 59952#(<= ULTIMATE.start_main_~i~4 75), 59953#(<= ULTIMATE.start_main_~i~4 76), 59954#(<= ULTIMATE.start_main_~i~4 77), 59955#(<= ULTIMATE.start_main_~i~4 78), 59956#(<= ULTIMATE.start_main_~i~4 79), 59957#(<= ULTIMATE.start_main_~i~4 80), 59958#(<= ULTIMATE.start_main_~i~4 81), 59959#(<= ULTIMATE.start_main_~i~4 82), 59960#(<= ULTIMATE.start_main_~i~4 83), 59961#(<= ULTIMATE.start_main_~i~4 84), 59962#(<= ULTIMATE.start_main_~i~4 85), 59963#(<= ULTIMATE.start_main_~i~4 86), 59964#(<= ULTIMATE.start_main_~i~4 87), 59965#(<= ULTIMATE.start_main_~i~4 88), 59966#(<= ULTIMATE.start_main_~i~4 89), 59967#(<= ULTIMATE.start_main_~i~4 90), 59968#(<= ULTIMATE.start_main_~i~4 91), 59969#(<= ULTIMATE.start_main_~i~4 92), 59970#(<= ULTIMATE.start_main_~i~4 93), 59971#(<= ULTIMATE.start_main_~i~4 94), 59972#(<= ULTIMATE.start_main_~i~4 95), 59973#(<= ULTIMATE.start_main_~i~4 96), 59974#(<= ULTIMATE.start_main_~i~4 97), 59975#(<= ULTIMATE.start_main_~i~4 98), 59976#(<= ULTIMATE.start_main_~i~4 99), 59977#(<= ULTIMATE.start_main_~i~4 100), 59978#(<= ULTIMATE.start_main_~i~4 101), 59979#(<= ULTIMATE.start_main_~i~4 102), 59980#(<= ULTIMATE.start_main_~i~4 103), 59981#(<= ULTIMATE.start_main_~i~4 104), 59982#(<= ULTIMATE.start_main_~i~4 105), 59983#(<= ULTIMATE.start_main_~i~4 106), 59984#(<= ULTIMATE.start_main_~i~4 107), 59985#(<= ULTIMATE.start_main_~i~4 108), 59986#(<= ULTIMATE.start_main_~i~4 109), 59987#(<= ULTIMATE.start_main_~i~4 110), 59988#(<= ULTIMATE.start_main_~i~4 111), 59989#(<= ULTIMATE.start_main_~i~4 112), 59875#true, 59876#false, 59877#(<= ULTIMATE.start_main_~i~4 0), 59878#(<= ULTIMATE.start_main_~i~4 1), 59879#(<= ULTIMATE.start_main_~i~4 2), 59880#(<= ULTIMATE.start_main_~i~4 3), 59881#(<= ULTIMATE.start_main_~i~4 4), 59882#(<= ULTIMATE.start_main_~i~4 5), 59883#(<= ULTIMATE.start_main_~i~4 6), 59884#(<= ULTIMATE.start_main_~i~4 7), 59885#(<= ULTIMATE.start_main_~i~4 8), 59886#(<= ULTIMATE.start_main_~i~4 9), 59887#(<= ULTIMATE.start_main_~i~4 10), 59888#(<= ULTIMATE.start_main_~i~4 11), 59889#(<= ULTIMATE.start_main_~i~4 12), 59890#(<= ULTIMATE.start_main_~i~4 13), 59891#(<= ULTIMATE.start_main_~i~4 14), 59892#(<= ULTIMATE.start_main_~i~4 15), 59893#(<= ULTIMATE.start_main_~i~4 16), 59894#(<= ULTIMATE.start_main_~i~4 17), 59895#(<= ULTIMATE.start_main_~i~4 18), 59896#(<= ULTIMATE.start_main_~i~4 19), 59897#(<= ULTIMATE.start_main_~i~4 20), 59898#(<= ULTIMATE.start_main_~i~4 21), 59899#(<= ULTIMATE.start_main_~i~4 22), 59900#(<= ULTIMATE.start_main_~i~4 23), 59901#(<= ULTIMATE.start_main_~i~4 24), 59902#(<= ULTIMATE.start_main_~i~4 25), 59903#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:43:42,240 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 13:43:42,240 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:43:42,241 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:43:42,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:43:42,242 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 115 states. [2018-07-23 13:43:42,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:42,434 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:43:42,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:43:42,434 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 228 [2018-07-23 13:43:42,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:42,435 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:43:42,435 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:43:42,436 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 13:43:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:43:42,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:43:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:43:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:43:42,442 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 228 [2018-07-23 13:43:42,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:42,443 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:43:42,443 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:43:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:43:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:43:42,444 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:42,444 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1] [2018-07-23 13:43:42,444 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:42,444 INFO L82 PathProgramCache]: Analyzing trace with hash 484174561, now seen corresponding path program 113 times [2018-07-23 13:43:42,445 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:42,826 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 13:43:42,827 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:42,827 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:43:42,827 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:42,827 INFO L185 omatonBuilderFactory]: Interpolants [60928#(<= ULTIMATE.start_main_~i~4 8), 60929#(<= ULTIMATE.start_main_~i~4 9), 60930#(<= ULTIMATE.start_main_~i~4 10), 60931#(<= ULTIMATE.start_main_~i~4 11), 60932#(<= ULTIMATE.start_main_~i~4 12), 60933#(<= ULTIMATE.start_main_~i~4 13), 60934#(<= ULTIMATE.start_main_~i~4 14), 60935#(<= ULTIMATE.start_main_~i~4 15), 60936#(<= ULTIMATE.start_main_~i~4 16), 60937#(<= ULTIMATE.start_main_~i~4 17), 60938#(<= ULTIMATE.start_main_~i~4 18), 60939#(<= ULTIMATE.start_main_~i~4 19), 60940#(<= ULTIMATE.start_main_~i~4 20), 60941#(<= ULTIMATE.start_main_~i~4 21), 60942#(<= ULTIMATE.start_main_~i~4 22), 60943#(<= ULTIMATE.start_main_~i~4 23), 60944#(<= ULTIMATE.start_main_~i~4 24), 60945#(<= ULTIMATE.start_main_~i~4 25), 60946#(<= ULTIMATE.start_main_~i~4 26), 60947#(<= ULTIMATE.start_main_~i~4 27), 60948#(<= ULTIMATE.start_main_~i~4 28), 60949#(<= ULTIMATE.start_main_~i~4 29), 60950#(<= ULTIMATE.start_main_~i~4 30), 60951#(<= ULTIMATE.start_main_~i~4 31), 60952#(<= ULTIMATE.start_main_~i~4 32), 60953#(<= ULTIMATE.start_main_~i~4 33), 60954#(<= ULTIMATE.start_main_~i~4 34), 60955#(<= ULTIMATE.start_main_~i~4 35), 60956#(<= ULTIMATE.start_main_~i~4 36), 60957#(<= ULTIMATE.start_main_~i~4 37), 60958#(<= ULTIMATE.start_main_~i~4 38), 60959#(<= ULTIMATE.start_main_~i~4 39), 60960#(<= ULTIMATE.start_main_~i~4 40), 60961#(<= ULTIMATE.start_main_~i~4 41), 60962#(<= ULTIMATE.start_main_~i~4 42), 60963#(<= ULTIMATE.start_main_~i~4 43), 60964#(<= ULTIMATE.start_main_~i~4 44), 60965#(<= ULTIMATE.start_main_~i~4 45), 60966#(<= ULTIMATE.start_main_~i~4 46), 60967#(<= ULTIMATE.start_main_~i~4 47), 60968#(<= ULTIMATE.start_main_~i~4 48), 60969#(<= ULTIMATE.start_main_~i~4 49), 60970#(<= ULTIMATE.start_main_~i~4 50), 60971#(<= ULTIMATE.start_main_~i~4 51), 60972#(<= ULTIMATE.start_main_~i~4 52), 60973#(<= ULTIMATE.start_main_~i~4 53), 60974#(<= ULTIMATE.start_main_~i~4 54), 60975#(<= ULTIMATE.start_main_~i~4 55), 60976#(<= ULTIMATE.start_main_~i~4 56), 60977#(<= ULTIMATE.start_main_~i~4 57), 60978#(<= ULTIMATE.start_main_~i~4 58), 60979#(<= ULTIMATE.start_main_~i~4 59), 60980#(<= ULTIMATE.start_main_~i~4 60), 60981#(<= ULTIMATE.start_main_~i~4 61), 60982#(<= ULTIMATE.start_main_~i~4 62), 60983#(<= ULTIMATE.start_main_~i~4 63), 60984#(<= ULTIMATE.start_main_~i~4 64), 60985#(<= ULTIMATE.start_main_~i~4 65), 60986#(<= ULTIMATE.start_main_~i~4 66), 60987#(<= ULTIMATE.start_main_~i~4 67), 60988#(<= ULTIMATE.start_main_~i~4 68), 60989#(<= ULTIMATE.start_main_~i~4 69), 60990#(<= ULTIMATE.start_main_~i~4 70), 60991#(<= ULTIMATE.start_main_~i~4 71), 60992#(<= ULTIMATE.start_main_~i~4 72), 60993#(<= ULTIMATE.start_main_~i~4 73), 60994#(<= ULTIMATE.start_main_~i~4 74), 60995#(<= ULTIMATE.start_main_~i~4 75), 60996#(<= ULTIMATE.start_main_~i~4 76), 60997#(<= ULTIMATE.start_main_~i~4 77), 60998#(<= ULTIMATE.start_main_~i~4 78), 60999#(<= ULTIMATE.start_main_~i~4 79), 61000#(<= ULTIMATE.start_main_~i~4 80), 61001#(<= ULTIMATE.start_main_~i~4 81), 61002#(<= ULTIMATE.start_main_~i~4 82), 61003#(<= ULTIMATE.start_main_~i~4 83), 61004#(<= ULTIMATE.start_main_~i~4 84), 61005#(<= ULTIMATE.start_main_~i~4 85), 61006#(<= ULTIMATE.start_main_~i~4 86), 61007#(<= ULTIMATE.start_main_~i~4 87), 61008#(<= ULTIMATE.start_main_~i~4 88), 61009#(<= ULTIMATE.start_main_~i~4 89), 61010#(<= ULTIMATE.start_main_~i~4 90), 61011#(<= ULTIMATE.start_main_~i~4 91), 61012#(<= ULTIMATE.start_main_~i~4 92), 61013#(<= ULTIMATE.start_main_~i~4 93), 61014#(<= ULTIMATE.start_main_~i~4 94), 61015#(<= ULTIMATE.start_main_~i~4 95), 61016#(<= ULTIMATE.start_main_~i~4 96), 61017#(<= ULTIMATE.start_main_~i~4 97), 61018#(<= ULTIMATE.start_main_~i~4 98), 61019#(<= ULTIMATE.start_main_~i~4 99), 61020#(<= ULTIMATE.start_main_~i~4 100), 61021#(<= ULTIMATE.start_main_~i~4 101), 61022#(<= ULTIMATE.start_main_~i~4 102), 61023#(<= ULTIMATE.start_main_~i~4 103), 61024#(<= ULTIMATE.start_main_~i~4 104), 61025#(<= ULTIMATE.start_main_~i~4 105), 61026#(<= ULTIMATE.start_main_~i~4 106), 61027#(<= ULTIMATE.start_main_~i~4 107), 61028#(<= ULTIMATE.start_main_~i~4 108), 61029#(<= ULTIMATE.start_main_~i~4 109), 61030#(<= ULTIMATE.start_main_~i~4 110), 61031#(<= ULTIMATE.start_main_~i~4 111), 61032#(<= ULTIMATE.start_main_~i~4 112), 61033#(<= ULTIMATE.start_main_~i~4 113), 60918#true, 60919#false, 60920#(<= ULTIMATE.start_main_~i~4 0), 60921#(<= ULTIMATE.start_main_~i~4 1), 60922#(<= ULTIMATE.start_main_~i~4 2), 60923#(<= ULTIMATE.start_main_~i~4 3), 60924#(<= ULTIMATE.start_main_~i~4 4), 60925#(<= ULTIMATE.start_main_~i~4 5), 60926#(<= ULTIMATE.start_main_~i~4 6), 60927#(<= ULTIMATE.start_main_~i~4 7)] [2018-07-23 13:43:42,828 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 13:43:42,828 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:43:42,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:43:42,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:43:42,830 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 116 states. [2018-07-23 13:43:43,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:43,097 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:43:43,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:43:43,098 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 230 [2018-07-23 13:43:43,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:43,098 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:43:43,099 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:43:43,100 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 13:43:43,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:43:43,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:43:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:43:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:43:43,104 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 230 [2018-07-23 13:43:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:43,105 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:43:43,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:43:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:43:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:43:43,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:43,106 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1] [2018-07-23 13:43:43,106 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:43,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1435337243, now seen corresponding path program 114 times [2018-07-23 13:43:43,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:43,523 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 13:43:43,523 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:43,524 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:43:43,524 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:43,524 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 13:43:43,524 INFO L185 omatonBuilderFactory]: Interpolants [61970#true, 61971#false, 61972#(<= ULTIMATE.start_main_~i~4 0), 61973#(<= ULTIMATE.start_main_~i~4 1), 61974#(<= ULTIMATE.start_main_~i~4 2), 61975#(<= ULTIMATE.start_main_~i~4 3), 61976#(<= ULTIMATE.start_main_~i~4 4), 61977#(<= ULTIMATE.start_main_~i~4 5), 61978#(<= ULTIMATE.start_main_~i~4 6), 61979#(<= ULTIMATE.start_main_~i~4 7), 61980#(<= ULTIMATE.start_main_~i~4 8), 61981#(<= ULTIMATE.start_main_~i~4 9), 61982#(<= ULTIMATE.start_main_~i~4 10), 61983#(<= ULTIMATE.start_main_~i~4 11), 61984#(<= ULTIMATE.start_main_~i~4 12), 61985#(<= ULTIMATE.start_main_~i~4 13), 61986#(<= ULTIMATE.start_main_~i~4 14), 61987#(<= ULTIMATE.start_main_~i~4 15), 61988#(<= ULTIMATE.start_main_~i~4 16), 61989#(<= ULTIMATE.start_main_~i~4 17), 61990#(<= ULTIMATE.start_main_~i~4 18), 61991#(<= ULTIMATE.start_main_~i~4 19), 61992#(<= ULTIMATE.start_main_~i~4 20), 61993#(<= ULTIMATE.start_main_~i~4 21), 61994#(<= ULTIMATE.start_main_~i~4 22), 61995#(<= ULTIMATE.start_main_~i~4 23), 61996#(<= ULTIMATE.start_main_~i~4 24), 61997#(<= ULTIMATE.start_main_~i~4 25), 61998#(<= ULTIMATE.start_main_~i~4 26), 61999#(<= ULTIMATE.start_main_~i~4 27), 62000#(<= ULTIMATE.start_main_~i~4 28), 62001#(<= ULTIMATE.start_main_~i~4 29), 62002#(<= ULTIMATE.start_main_~i~4 30), 62003#(<= ULTIMATE.start_main_~i~4 31), 62004#(<= ULTIMATE.start_main_~i~4 32), 62005#(<= ULTIMATE.start_main_~i~4 33), 62006#(<= ULTIMATE.start_main_~i~4 34), 62007#(<= ULTIMATE.start_main_~i~4 35), 62008#(<= ULTIMATE.start_main_~i~4 36), 62009#(<= ULTIMATE.start_main_~i~4 37), 62010#(<= ULTIMATE.start_main_~i~4 38), 62011#(<= ULTIMATE.start_main_~i~4 39), 62012#(<= ULTIMATE.start_main_~i~4 40), 62013#(<= ULTIMATE.start_main_~i~4 41), 62014#(<= ULTIMATE.start_main_~i~4 42), 62015#(<= ULTIMATE.start_main_~i~4 43), 62016#(<= ULTIMATE.start_main_~i~4 44), 62017#(<= ULTIMATE.start_main_~i~4 45), 62018#(<= ULTIMATE.start_main_~i~4 46), 62019#(<= ULTIMATE.start_main_~i~4 47), 62020#(<= ULTIMATE.start_main_~i~4 48), 62021#(<= ULTIMATE.start_main_~i~4 49), 62022#(<= ULTIMATE.start_main_~i~4 50), 62023#(<= ULTIMATE.start_main_~i~4 51), 62024#(<= ULTIMATE.start_main_~i~4 52), 62025#(<= ULTIMATE.start_main_~i~4 53), 62026#(<= ULTIMATE.start_main_~i~4 54), 62027#(<= ULTIMATE.start_main_~i~4 55), 62028#(<= ULTIMATE.start_main_~i~4 56), 62029#(<= ULTIMATE.start_main_~i~4 57), 62030#(<= ULTIMATE.start_main_~i~4 58), 62031#(<= ULTIMATE.start_main_~i~4 59), 62032#(<= ULTIMATE.start_main_~i~4 60), 62033#(<= ULTIMATE.start_main_~i~4 61), 62034#(<= ULTIMATE.start_main_~i~4 62), 62035#(<= ULTIMATE.start_main_~i~4 63), 62036#(<= ULTIMATE.start_main_~i~4 64), 62037#(<= ULTIMATE.start_main_~i~4 65), 62038#(<= ULTIMATE.start_main_~i~4 66), 62039#(<= ULTIMATE.start_main_~i~4 67), 62040#(<= ULTIMATE.start_main_~i~4 68), 62041#(<= ULTIMATE.start_main_~i~4 69), 62042#(<= ULTIMATE.start_main_~i~4 70), 62043#(<= ULTIMATE.start_main_~i~4 71), 62044#(<= ULTIMATE.start_main_~i~4 72), 62045#(<= ULTIMATE.start_main_~i~4 73), 62046#(<= ULTIMATE.start_main_~i~4 74), 62047#(<= ULTIMATE.start_main_~i~4 75), 62048#(<= ULTIMATE.start_main_~i~4 76), 62049#(<= ULTIMATE.start_main_~i~4 77), 62050#(<= ULTIMATE.start_main_~i~4 78), 62051#(<= ULTIMATE.start_main_~i~4 79), 62052#(<= ULTIMATE.start_main_~i~4 80), 62053#(<= ULTIMATE.start_main_~i~4 81), 62054#(<= ULTIMATE.start_main_~i~4 82), 62055#(<= ULTIMATE.start_main_~i~4 83), 62056#(<= ULTIMATE.start_main_~i~4 84), 62057#(<= ULTIMATE.start_main_~i~4 85), 62058#(<= ULTIMATE.start_main_~i~4 86), 62059#(<= ULTIMATE.start_main_~i~4 87), 62060#(<= ULTIMATE.start_main_~i~4 88), 62061#(<= ULTIMATE.start_main_~i~4 89), 62062#(<= ULTIMATE.start_main_~i~4 90), 62063#(<= ULTIMATE.start_main_~i~4 91), 62064#(<= ULTIMATE.start_main_~i~4 92), 62065#(<= ULTIMATE.start_main_~i~4 93), 62066#(<= ULTIMATE.start_main_~i~4 94), 62067#(<= ULTIMATE.start_main_~i~4 95), 62068#(<= ULTIMATE.start_main_~i~4 96), 62069#(<= ULTIMATE.start_main_~i~4 97), 62070#(<= ULTIMATE.start_main_~i~4 98), 62071#(<= ULTIMATE.start_main_~i~4 99), 62072#(<= ULTIMATE.start_main_~i~4 100), 62073#(<= ULTIMATE.start_main_~i~4 101), 62074#(<= ULTIMATE.start_main_~i~4 102), 62075#(<= ULTIMATE.start_main_~i~4 103), 62076#(<= ULTIMATE.start_main_~i~4 104), 62077#(<= ULTIMATE.start_main_~i~4 105), 62078#(<= ULTIMATE.start_main_~i~4 106), 62079#(<= ULTIMATE.start_main_~i~4 107), 62080#(<= ULTIMATE.start_main_~i~4 108), 62081#(<= ULTIMATE.start_main_~i~4 109), 62082#(<= ULTIMATE.start_main_~i~4 110), 62083#(<= ULTIMATE.start_main_~i~4 111), 62084#(<= ULTIMATE.start_main_~i~4 112), 62085#(<= ULTIMATE.start_main_~i~4 113), 62086#(<= ULTIMATE.start_main_~i~4 114)] [2018-07-23 13:43:43,525 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 13:43:43,525 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:43:43,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:43:43,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:43:43,526 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 117 states. [2018-07-23 13:43:43,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:43,776 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:43:43,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:43:43,776 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 232 [2018-07-23 13:43:43,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:43,777 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:43:43,777 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:43:43,778 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:43:43,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:43:43,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:43:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:43:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:43:43,782 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 232 [2018-07-23 13:43:43,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:43,783 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:43:43,783 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:43:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:43:43,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:43:43,784 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:43,784 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1] [2018-07-23 13:43:43,784 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:43,784 INFO L82 PathProgramCache]: Analyzing trace with hash 674640597, now seen corresponding path program 115 times [2018-07-23 13:43:43,785 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:44,174 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 13:43:44,174 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:44,175 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:43:44,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:44,175 INFO L185 omatonBuilderFactory]: Interpolants [63031#true, 63032#false, 63033#(<= ULTIMATE.start_main_~i~4 0), 63034#(<= ULTIMATE.start_main_~i~4 1), 63035#(<= ULTIMATE.start_main_~i~4 2), 63036#(<= ULTIMATE.start_main_~i~4 3), 63037#(<= ULTIMATE.start_main_~i~4 4), 63038#(<= ULTIMATE.start_main_~i~4 5), 63039#(<= ULTIMATE.start_main_~i~4 6), 63040#(<= ULTIMATE.start_main_~i~4 7), 63041#(<= ULTIMATE.start_main_~i~4 8), 63042#(<= ULTIMATE.start_main_~i~4 9), 63043#(<= ULTIMATE.start_main_~i~4 10), 63044#(<= ULTIMATE.start_main_~i~4 11), 63045#(<= ULTIMATE.start_main_~i~4 12), 63046#(<= ULTIMATE.start_main_~i~4 13), 63047#(<= ULTIMATE.start_main_~i~4 14), 63048#(<= ULTIMATE.start_main_~i~4 15), 63049#(<= ULTIMATE.start_main_~i~4 16), 63050#(<= ULTIMATE.start_main_~i~4 17), 63051#(<= ULTIMATE.start_main_~i~4 18), 63052#(<= ULTIMATE.start_main_~i~4 19), 63053#(<= ULTIMATE.start_main_~i~4 20), 63054#(<= ULTIMATE.start_main_~i~4 21), 63055#(<= ULTIMATE.start_main_~i~4 22), 63056#(<= ULTIMATE.start_main_~i~4 23), 63057#(<= ULTIMATE.start_main_~i~4 24), 63058#(<= ULTIMATE.start_main_~i~4 25), 63059#(<= ULTIMATE.start_main_~i~4 26), 63060#(<= ULTIMATE.start_main_~i~4 27), 63061#(<= ULTIMATE.start_main_~i~4 28), 63062#(<= ULTIMATE.start_main_~i~4 29), 63063#(<= ULTIMATE.start_main_~i~4 30), 63064#(<= ULTIMATE.start_main_~i~4 31), 63065#(<= ULTIMATE.start_main_~i~4 32), 63066#(<= ULTIMATE.start_main_~i~4 33), 63067#(<= ULTIMATE.start_main_~i~4 34), 63068#(<= ULTIMATE.start_main_~i~4 35), 63069#(<= ULTIMATE.start_main_~i~4 36), 63070#(<= ULTIMATE.start_main_~i~4 37), 63071#(<= ULTIMATE.start_main_~i~4 38), 63072#(<= ULTIMATE.start_main_~i~4 39), 63073#(<= ULTIMATE.start_main_~i~4 40), 63074#(<= ULTIMATE.start_main_~i~4 41), 63075#(<= ULTIMATE.start_main_~i~4 42), 63076#(<= ULTIMATE.start_main_~i~4 43), 63077#(<= ULTIMATE.start_main_~i~4 44), 63078#(<= ULTIMATE.start_main_~i~4 45), 63079#(<= ULTIMATE.start_main_~i~4 46), 63080#(<= ULTIMATE.start_main_~i~4 47), 63081#(<= ULTIMATE.start_main_~i~4 48), 63082#(<= ULTIMATE.start_main_~i~4 49), 63083#(<= ULTIMATE.start_main_~i~4 50), 63084#(<= ULTIMATE.start_main_~i~4 51), 63085#(<= ULTIMATE.start_main_~i~4 52), 63086#(<= ULTIMATE.start_main_~i~4 53), 63087#(<= ULTIMATE.start_main_~i~4 54), 63088#(<= ULTIMATE.start_main_~i~4 55), 63089#(<= ULTIMATE.start_main_~i~4 56), 63090#(<= ULTIMATE.start_main_~i~4 57), 63091#(<= ULTIMATE.start_main_~i~4 58), 63092#(<= ULTIMATE.start_main_~i~4 59), 63093#(<= ULTIMATE.start_main_~i~4 60), 63094#(<= ULTIMATE.start_main_~i~4 61), 63095#(<= ULTIMATE.start_main_~i~4 62), 63096#(<= ULTIMATE.start_main_~i~4 63), 63097#(<= ULTIMATE.start_main_~i~4 64), 63098#(<= ULTIMATE.start_main_~i~4 65), 63099#(<= ULTIMATE.start_main_~i~4 66), 63100#(<= ULTIMATE.start_main_~i~4 67), 63101#(<= ULTIMATE.start_main_~i~4 68), 63102#(<= ULTIMATE.start_main_~i~4 69), 63103#(<= ULTIMATE.start_main_~i~4 70), 63104#(<= ULTIMATE.start_main_~i~4 71), 63105#(<= ULTIMATE.start_main_~i~4 72), 63106#(<= ULTIMATE.start_main_~i~4 73), 63107#(<= ULTIMATE.start_main_~i~4 74), 63108#(<= ULTIMATE.start_main_~i~4 75), 63109#(<= ULTIMATE.start_main_~i~4 76), 63110#(<= ULTIMATE.start_main_~i~4 77), 63111#(<= ULTIMATE.start_main_~i~4 78), 63112#(<= ULTIMATE.start_main_~i~4 79), 63113#(<= ULTIMATE.start_main_~i~4 80), 63114#(<= ULTIMATE.start_main_~i~4 81), 63115#(<= ULTIMATE.start_main_~i~4 82), 63116#(<= ULTIMATE.start_main_~i~4 83), 63117#(<= ULTIMATE.start_main_~i~4 84), 63118#(<= ULTIMATE.start_main_~i~4 85), 63119#(<= ULTIMATE.start_main_~i~4 86), 63120#(<= ULTIMATE.start_main_~i~4 87), 63121#(<= ULTIMATE.start_main_~i~4 88), 63122#(<= ULTIMATE.start_main_~i~4 89), 63123#(<= ULTIMATE.start_main_~i~4 90), 63124#(<= ULTIMATE.start_main_~i~4 91), 63125#(<= ULTIMATE.start_main_~i~4 92), 63126#(<= ULTIMATE.start_main_~i~4 93), 63127#(<= ULTIMATE.start_main_~i~4 94), 63128#(<= ULTIMATE.start_main_~i~4 95), 63129#(<= ULTIMATE.start_main_~i~4 96), 63130#(<= ULTIMATE.start_main_~i~4 97), 63131#(<= ULTIMATE.start_main_~i~4 98), 63132#(<= ULTIMATE.start_main_~i~4 99), 63133#(<= ULTIMATE.start_main_~i~4 100), 63134#(<= ULTIMATE.start_main_~i~4 101), 63135#(<= ULTIMATE.start_main_~i~4 102), 63136#(<= ULTIMATE.start_main_~i~4 103), 63137#(<= ULTIMATE.start_main_~i~4 104), 63138#(<= ULTIMATE.start_main_~i~4 105), 63139#(<= ULTIMATE.start_main_~i~4 106), 63140#(<= ULTIMATE.start_main_~i~4 107), 63141#(<= ULTIMATE.start_main_~i~4 108), 63142#(<= ULTIMATE.start_main_~i~4 109), 63143#(<= ULTIMATE.start_main_~i~4 110), 63144#(<= ULTIMATE.start_main_~i~4 111), 63145#(<= ULTIMATE.start_main_~i~4 112), 63146#(<= ULTIMATE.start_main_~i~4 113), 63147#(<= ULTIMATE.start_main_~i~4 114), 63148#(<= ULTIMATE.start_main_~i~4 115)] [2018-07-23 13:43:44,176 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 13:43:44,176 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:43:44,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:43:44,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:43:44,177 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 118 states. [2018-07-23 13:43:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:44,361 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:43:44,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:43:44,361 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 234 [2018-07-23 13:43:44,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:44,362 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:43:44,362 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:43:44,363 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 13:43:44,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:43:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:43:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:43:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:43:44,368 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 234 [2018-07-23 13:43:44,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:44,369 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:43:44,369 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:43:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:43:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:43:44,370 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:44,370 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1] [2018-07-23 13:43:44,370 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash -210395889, now seen corresponding path program 116 times [2018-07-23 13:43:44,371 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:44,824 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 13:43:44,824 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:44,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:43:44,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:44,825 INFO L185 omatonBuilderFactory]: Interpolants [64101#true, 64102#false, 64103#(<= ULTIMATE.start_main_~i~4 0), 64104#(<= ULTIMATE.start_main_~i~4 1), 64105#(<= ULTIMATE.start_main_~i~4 2), 64106#(<= ULTIMATE.start_main_~i~4 3), 64107#(<= ULTIMATE.start_main_~i~4 4), 64108#(<= ULTIMATE.start_main_~i~4 5), 64109#(<= ULTIMATE.start_main_~i~4 6), 64110#(<= ULTIMATE.start_main_~i~4 7), 64111#(<= ULTIMATE.start_main_~i~4 8), 64112#(<= ULTIMATE.start_main_~i~4 9), 64113#(<= ULTIMATE.start_main_~i~4 10), 64114#(<= ULTIMATE.start_main_~i~4 11), 64115#(<= ULTIMATE.start_main_~i~4 12), 64116#(<= ULTIMATE.start_main_~i~4 13), 64117#(<= ULTIMATE.start_main_~i~4 14), 64118#(<= ULTIMATE.start_main_~i~4 15), 64119#(<= ULTIMATE.start_main_~i~4 16), 64120#(<= ULTIMATE.start_main_~i~4 17), 64121#(<= ULTIMATE.start_main_~i~4 18), 64122#(<= ULTIMATE.start_main_~i~4 19), 64123#(<= ULTIMATE.start_main_~i~4 20), 64124#(<= ULTIMATE.start_main_~i~4 21), 64125#(<= ULTIMATE.start_main_~i~4 22), 64126#(<= ULTIMATE.start_main_~i~4 23), 64127#(<= ULTIMATE.start_main_~i~4 24), 64128#(<= ULTIMATE.start_main_~i~4 25), 64129#(<= ULTIMATE.start_main_~i~4 26), 64130#(<= ULTIMATE.start_main_~i~4 27), 64131#(<= ULTIMATE.start_main_~i~4 28), 64132#(<= ULTIMATE.start_main_~i~4 29), 64133#(<= ULTIMATE.start_main_~i~4 30), 64134#(<= ULTIMATE.start_main_~i~4 31), 64135#(<= ULTIMATE.start_main_~i~4 32), 64136#(<= ULTIMATE.start_main_~i~4 33), 64137#(<= ULTIMATE.start_main_~i~4 34), 64138#(<= ULTIMATE.start_main_~i~4 35), 64139#(<= ULTIMATE.start_main_~i~4 36), 64140#(<= ULTIMATE.start_main_~i~4 37), 64141#(<= ULTIMATE.start_main_~i~4 38), 64142#(<= ULTIMATE.start_main_~i~4 39), 64143#(<= ULTIMATE.start_main_~i~4 40), 64144#(<= ULTIMATE.start_main_~i~4 41), 64145#(<= ULTIMATE.start_main_~i~4 42), 64146#(<= ULTIMATE.start_main_~i~4 43), 64147#(<= ULTIMATE.start_main_~i~4 44), 64148#(<= ULTIMATE.start_main_~i~4 45), 64149#(<= ULTIMATE.start_main_~i~4 46), 64150#(<= ULTIMATE.start_main_~i~4 47), 64151#(<= ULTIMATE.start_main_~i~4 48), 64152#(<= ULTIMATE.start_main_~i~4 49), 64153#(<= ULTIMATE.start_main_~i~4 50), 64154#(<= ULTIMATE.start_main_~i~4 51), 64155#(<= ULTIMATE.start_main_~i~4 52), 64156#(<= ULTIMATE.start_main_~i~4 53), 64157#(<= ULTIMATE.start_main_~i~4 54), 64158#(<= ULTIMATE.start_main_~i~4 55), 64159#(<= ULTIMATE.start_main_~i~4 56), 64160#(<= ULTIMATE.start_main_~i~4 57), 64161#(<= ULTIMATE.start_main_~i~4 58), 64162#(<= ULTIMATE.start_main_~i~4 59), 64163#(<= ULTIMATE.start_main_~i~4 60), 64164#(<= ULTIMATE.start_main_~i~4 61), 64165#(<= ULTIMATE.start_main_~i~4 62), 64166#(<= ULTIMATE.start_main_~i~4 63), 64167#(<= ULTIMATE.start_main_~i~4 64), 64168#(<= ULTIMATE.start_main_~i~4 65), 64169#(<= ULTIMATE.start_main_~i~4 66), 64170#(<= ULTIMATE.start_main_~i~4 67), 64171#(<= ULTIMATE.start_main_~i~4 68), 64172#(<= ULTIMATE.start_main_~i~4 69), 64173#(<= ULTIMATE.start_main_~i~4 70), 64174#(<= ULTIMATE.start_main_~i~4 71), 64175#(<= ULTIMATE.start_main_~i~4 72), 64176#(<= ULTIMATE.start_main_~i~4 73), 64177#(<= ULTIMATE.start_main_~i~4 74), 64178#(<= ULTIMATE.start_main_~i~4 75), 64179#(<= ULTIMATE.start_main_~i~4 76), 64180#(<= ULTIMATE.start_main_~i~4 77), 64181#(<= ULTIMATE.start_main_~i~4 78), 64182#(<= ULTIMATE.start_main_~i~4 79), 64183#(<= ULTIMATE.start_main_~i~4 80), 64184#(<= ULTIMATE.start_main_~i~4 81), 64185#(<= ULTIMATE.start_main_~i~4 82), 64186#(<= ULTIMATE.start_main_~i~4 83), 64187#(<= ULTIMATE.start_main_~i~4 84), 64188#(<= ULTIMATE.start_main_~i~4 85), 64189#(<= ULTIMATE.start_main_~i~4 86), 64190#(<= ULTIMATE.start_main_~i~4 87), 64191#(<= ULTIMATE.start_main_~i~4 88), 64192#(<= ULTIMATE.start_main_~i~4 89), 64193#(<= ULTIMATE.start_main_~i~4 90), 64194#(<= ULTIMATE.start_main_~i~4 91), 64195#(<= ULTIMATE.start_main_~i~4 92), 64196#(<= ULTIMATE.start_main_~i~4 93), 64197#(<= ULTIMATE.start_main_~i~4 94), 64198#(<= ULTIMATE.start_main_~i~4 95), 64199#(<= ULTIMATE.start_main_~i~4 96), 64200#(<= ULTIMATE.start_main_~i~4 97), 64201#(<= ULTIMATE.start_main_~i~4 98), 64202#(<= ULTIMATE.start_main_~i~4 99), 64203#(<= ULTIMATE.start_main_~i~4 100), 64204#(<= ULTIMATE.start_main_~i~4 101), 64205#(<= ULTIMATE.start_main_~i~4 102), 64206#(<= ULTIMATE.start_main_~i~4 103), 64207#(<= ULTIMATE.start_main_~i~4 104), 64208#(<= ULTIMATE.start_main_~i~4 105), 64209#(<= ULTIMATE.start_main_~i~4 106), 64210#(<= ULTIMATE.start_main_~i~4 107), 64211#(<= ULTIMATE.start_main_~i~4 108), 64212#(<= ULTIMATE.start_main_~i~4 109), 64213#(<= ULTIMATE.start_main_~i~4 110), 64214#(<= ULTIMATE.start_main_~i~4 111), 64215#(<= ULTIMATE.start_main_~i~4 112), 64216#(<= ULTIMATE.start_main_~i~4 113), 64217#(<= ULTIMATE.start_main_~i~4 114), 64218#(<= ULTIMATE.start_main_~i~4 115), 64219#(<= ULTIMATE.start_main_~i~4 116)] [2018-07-23 13:43:44,826 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 13:43:44,826 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:43:44,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:43:44,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:43:44,827 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 119 states. [2018-07-23 13:43:45,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:45,037 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:43:45,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:43:45,038 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 236 [2018-07-23 13:43:45,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:45,038 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:43:45,038 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:43:45,039 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:43:45,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:43:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:43:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:43:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:43:45,042 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 236 [2018-07-23 13:43:45,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:45,042 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:43:45,042 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:43:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:43:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:43:45,043 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:45,043 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1] [2018-07-23 13:43:45,043 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:45,043 INFO L82 PathProgramCache]: Analyzing trace with hash -326934327, now seen corresponding path program 117 times [2018-07-23 13:43:45,043 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:45,387 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 13:43:45,387 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:45,387 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:43:45,387 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:45,388 INFO L185 omatonBuilderFactory]: Interpolants [65280#(<= ULTIMATE.start_main_~i~4 98), 65281#(<= ULTIMATE.start_main_~i~4 99), 65282#(<= ULTIMATE.start_main_~i~4 100), 65283#(<= ULTIMATE.start_main_~i~4 101), 65284#(<= ULTIMATE.start_main_~i~4 102), 65285#(<= ULTIMATE.start_main_~i~4 103), 65286#(<= ULTIMATE.start_main_~i~4 104), 65287#(<= ULTIMATE.start_main_~i~4 105), 65288#(<= ULTIMATE.start_main_~i~4 106), 65289#(<= ULTIMATE.start_main_~i~4 107), 65290#(<= ULTIMATE.start_main_~i~4 108), 65291#(<= ULTIMATE.start_main_~i~4 109), 65292#(<= ULTIMATE.start_main_~i~4 110), 65293#(<= ULTIMATE.start_main_~i~4 111), 65294#(<= ULTIMATE.start_main_~i~4 112), 65295#(<= ULTIMATE.start_main_~i~4 113), 65296#(<= ULTIMATE.start_main_~i~4 114), 65297#(<= ULTIMATE.start_main_~i~4 115), 65298#(<= ULTIMATE.start_main_~i~4 116), 65299#(<= ULTIMATE.start_main_~i~4 117), 65180#true, 65181#false, 65182#(<= ULTIMATE.start_main_~i~4 0), 65183#(<= ULTIMATE.start_main_~i~4 1), 65184#(<= ULTIMATE.start_main_~i~4 2), 65185#(<= ULTIMATE.start_main_~i~4 3), 65186#(<= ULTIMATE.start_main_~i~4 4), 65187#(<= ULTIMATE.start_main_~i~4 5), 65188#(<= ULTIMATE.start_main_~i~4 6), 65189#(<= ULTIMATE.start_main_~i~4 7), 65190#(<= ULTIMATE.start_main_~i~4 8), 65191#(<= ULTIMATE.start_main_~i~4 9), 65192#(<= ULTIMATE.start_main_~i~4 10), 65193#(<= ULTIMATE.start_main_~i~4 11), 65194#(<= ULTIMATE.start_main_~i~4 12), 65195#(<= ULTIMATE.start_main_~i~4 13), 65196#(<= ULTIMATE.start_main_~i~4 14), 65197#(<= ULTIMATE.start_main_~i~4 15), 65198#(<= ULTIMATE.start_main_~i~4 16), 65199#(<= ULTIMATE.start_main_~i~4 17), 65200#(<= ULTIMATE.start_main_~i~4 18), 65201#(<= ULTIMATE.start_main_~i~4 19), 65202#(<= ULTIMATE.start_main_~i~4 20), 65203#(<= ULTIMATE.start_main_~i~4 21), 65204#(<= ULTIMATE.start_main_~i~4 22), 65205#(<= ULTIMATE.start_main_~i~4 23), 65206#(<= ULTIMATE.start_main_~i~4 24), 65207#(<= ULTIMATE.start_main_~i~4 25), 65208#(<= ULTIMATE.start_main_~i~4 26), 65209#(<= ULTIMATE.start_main_~i~4 27), 65210#(<= ULTIMATE.start_main_~i~4 28), 65211#(<= ULTIMATE.start_main_~i~4 29), 65212#(<= ULTIMATE.start_main_~i~4 30), 65213#(<= ULTIMATE.start_main_~i~4 31), 65214#(<= ULTIMATE.start_main_~i~4 32), 65215#(<= ULTIMATE.start_main_~i~4 33), 65216#(<= ULTIMATE.start_main_~i~4 34), 65217#(<= ULTIMATE.start_main_~i~4 35), 65218#(<= ULTIMATE.start_main_~i~4 36), 65219#(<= ULTIMATE.start_main_~i~4 37), 65220#(<= ULTIMATE.start_main_~i~4 38), 65221#(<= ULTIMATE.start_main_~i~4 39), 65222#(<= ULTIMATE.start_main_~i~4 40), 65223#(<= ULTIMATE.start_main_~i~4 41), 65224#(<= ULTIMATE.start_main_~i~4 42), 65225#(<= ULTIMATE.start_main_~i~4 43), 65226#(<= ULTIMATE.start_main_~i~4 44), 65227#(<= ULTIMATE.start_main_~i~4 45), 65228#(<= ULTIMATE.start_main_~i~4 46), 65229#(<= ULTIMATE.start_main_~i~4 47), 65230#(<= ULTIMATE.start_main_~i~4 48), 65231#(<= ULTIMATE.start_main_~i~4 49), 65232#(<= ULTIMATE.start_main_~i~4 50), 65233#(<= ULTIMATE.start_main_~i~4 51), 65234#(<= ULTIMATE.start_main_~i~4 52), 65235#(<= ULTIMATE.start_main_~i~4 53), 65236#(<= ULTIMATE.start_main_~i~4 54), 65237#(<= ULTIMATE.start_main_~i~4 55), 65238#(<= ULTIMATE.start_main_~i~4 56), 65239#(<= ULTIMATE.start_main_~i~4 57), 65240#(<= ULTIMATE.start_main_~i~4 58), 65241#(<= ULTIMATE.start_main_~i~4 59), 65242#(<= ULTIMATE.start_main_~i~4 60), 65243#(<= ULTIMATE.start_main_~i~4 61), 65244#(<= ULTIMATE.start_main_~i~4 62), 65245#(<= ULTIMATE.start_main_~i~4 63), 65246#(<= ULTIMATE.start_main_~i~4 64), 65247#(<= ULTIMATE.start_main_~i~4 65), 65248#(<= ULTIMATE.start_main_~i~4 66), 65249#(<= ULTIMATE.start_main_~i~4 67), 65250#(<= ULTIMATE.start_main_~i~4 68), 65251#(<= ULTIMATE.start_main_~i~4 69), 65252#(<= ULTIMATE.start_main_~i~4 70), 65253#(<= ULTIMATE.start_main_~i~4 71), 65254#(<= ULTIMATE.start_main_~i~4 72), 65255#(<= ULTIMATE.start_main_~i~4 73), 65256#(<= ULTIMATE.start_main_~i~4 74), 65257#(<= ULTIMATE.start_main_~i~4 75), 65258#(<= ULTIMATE.start_main_~i~4 76), 65259#(<= ULTIMATE.start_main_~i~4 77), 65260#(<= ULTIMATE.start_main_~i~4 78), 65261#(<= ULTIMATE.start_main_~i~4 79), 65262#(<= ULTIMATE.start_main_~i~4 80), 65263#(<= ULTIMATE.start_main_~i~4 81), 65264#(<= ULTIMATE.start_main_~i~4 82), 65265#(<= ULTIMATE.start_main_~i~4 83), 65266#(<= ULTIMATE.start_main_~i~4 84), 65267#(<= ULTIMATE.start_main_~i~4 85), 65268#(<= ULTIMATE.start_main_~i~4 86), 65269#(<= ULTIMATE.start_main_~i~4 87), 65270#(<= ULTIMATE.start_main_~i~4 88), 65271#(<= ULTIMATE.start_main_~i~4 89), 65272#(<= ULTIMATE.start_main_~i~4 90), 65273#(<= ULTIMATE.start_main_~i~4 91), 65274#(<= ULTIMATE.start_main_~i~4 92), 65275#(<= ULTIMATE.start_main_~i~4 93), 65276#(<= ULTIMATE.start_main_~i~4 94), 65277#(<= ULTIMATE.start_main_~i~4 95), 65278#(<= ULTIMATE.start_main_~i~4 96), 65279#(<= ULTIMATE.start_main_~i~4 97)] [2018-07-23 13:43:45,388 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 13:43:45,388 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:43:45,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:43:45,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:43:45,390 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 120 states. [2018-07-23 13:43:45,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:45,547 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:43:45,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:43:45,547 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 238 [2018-07-23 13:43:45,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:45,548 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:43:45,548 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:43:45,549 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 13:43:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:43:45,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:43:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:43:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:43:45,554 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 238 [2018-07-23 13:43:45,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:45,554 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:43:45,554 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:43:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:43:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:43:45,555 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:45,556 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1] [2018-07-23 13:43:45,556 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:45,556 INFO L82 PathProgramCache]: Analyzing trace with hash -651223549, now seen corresponding path program 118 times [2018-07-23 13:43:45,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:45,923 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 13:43:45,923 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:45,923 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:43:45,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:45,924 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 13:43:45,924 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= ULTIMATE.start_main_~i~4 35), 66304#(<= ULTIMATE.start_main_~i~4 34), 66307#(<= ULTIMATE.start_main_~i~4 37), 66306#(<= ULTIMATE.start_main_~i~4 36), 66309#(<= ULTIMATE.start_main_~i~4 39), 66308#(<= ULTIMATE.start_main_~i~4 38), 66311#(<= ULTIMATE.start_main_~i~4 41), 66310#(<= ULTIMATE.start_main_~i~4 40), 66313#(<= ULTIMATE.start_main_~i~4 43), 66312#(<= ULTIMATE.start_main_~i~4 42), 66315#(<= ULTIMATE.start_main_~i~4 45), 66314#(<= ULTIMATE.start_main_~i~4 44), 66317#(<= ULTIMATE.start_main_~i~4 47), 66316#(<= ULTIMATE.start_main_~i~4 46), 66319#(<= ULTIMATE.start_main_~i~4 49), 66318#(<= ULTIMATE.start_main_~i~4 48), 66321#(<= ULTIMATE.start_main_~i~4 51), 66320#(<= ULTIMATE.start_main_~i~4 50), 66323#(<= ULTIMATE.start_main_~i~4 53), 66322#(<= ULTIMATE.start_main_~i~4 52), 66325#(<= ULTIMATE.start_main_~i~4 55), 66324#(<= ULTIMATE.start_main_~i~4 54), 66327#(<= ULTIMATE.start_main_~i~4 57), 66326#(<= ULTIMATE.start_main_~i~4 56), 66329#(<= ULTIMATE.start_main_~i~4 59), 66328#(<= ULTIMATE.start_main_~i~4 58), 66331#(<= ULTIMATE.start_main_~i~4 61), 66330#(<= ULTIMATE.start_main_~i~4 60), 66333#(<= ULTIMATE.start_main_~i~4 63), 66332#(<= ULTIMATE.start_main_~i~4 62), 66335#(<= ULTIMATE.start_main_~i~4 65), 66334#(<= ULTIMATE.start_main_~i~4 64), 66337#(<= ULTIMATE.start_main_~i~4 67), 66336#(<= ULTIMATE.start_main_~i~4 66), 66339#(<= ULTIMATE.start_main_~i~4 69), 66338#(<= ULTIMATE.start_main_~i~4 68), 66341#(<= ULTIMATE.start_main_~i~4 71), 66340#(<= ULTIMATE.start_main_~i~4 70), 66343#(<= ULTIMATE.start_main_~i~4 73), 66342#(<= ULTIMATE.start_main_~i~4 72), 66345#(<= ULTIMATE.start_main_~i~4 75), 66344#(<= ULTIMATE.start_main_~i~4 74), 66347#(<= ULTIMATE.start_main_~i~4 77), 66346#(<= ULTIMATE.start_main_~i~4 76), 66349#(<= ULTIMATE.start_main_~i~4 79), 66348#(<= ULTIMATE.start_main_~i~4 78), 66351#(<= ULTIMATE.start_main_~i~4 81), 66350#(<= ULTIMATE.start_main_~i~4 80), 66353#(<= ULTIMATE.start_main_~i~4 83), 66352#(<= ULTIMATE.start_main_~i~4 82), 66355#(<= ULTIMATE.start_main_~i~4 85), 66354#(<= ULTIMATE.start_main_~i~4 84), 66357#(<= ULTIMATE.start_main_~i~4 87), 66356#(<= ULTIMATE.start_main_~i~4 86), 66359#(<= ULTIMATE.start_main_~i~4 89), 66358#(<= ULTIMATE.start_main_~i~4 88), 66361#(<= ULTIMATE.start_main_~i~4 91), 66360#(<= ULTIMATE.start_main_~i~4 90), 66363#(<= ULTIMATE.start_main_~i~4 93), 66362#(<= ULTIMATE.start_main_~i~4 92), 66365#(<= ULTIMATE.start_main_~i~4 95), 66364#(<= ULTIMATE.start_main_~i~4 94), 66367#(<= ULTIMATE.start_main_~i~4 97), 66366#(<= ULTIMATE.start_main_~i~4 96), 66369#(<= ULTIMATE.start_main_~i~4 99), 66368#(<= ULTIMATE.start_main_~i~4 98), 66371#(<= ULTIMATE.start_main_~i~4 101), 66370#(<= ULTIMATE.start_main_~i~4 100), 66373#(<= ULTIMATE.start_main_~i~4 103), 66372#(<= ULTIMATE.start_main_~i~4 102), 66375#(<= ULTIMATE.start_main_~i~4 105), 66374#(<= ULTIMATE.start_main_~i~4 104), 66377#(<= ULTIMATE.start_main_~i~4 107), 66376#(<= ULTIMATE.start_main_~i~4 106), 66379#(<= ULTIMATE.start_main_~i~4 109), 66378#(<= ULTIMATE.start_main_~i~4 108), 66381#(<= ULTIMATE.start_main_~i~4 111), 66380#(<= ULTIMATE.start_main_~i~4 110), 66383#(<= ULTIMATE.start_main_~i~4 113), 66382#(<= ULTIMATE.start_main_~i~4 112), 66385#(<= ULTIMATE.start_main_~i~4 115), 66384#(<= ULTIMATE.start_main_~i~4 114), 66387#(<= ULTIMATE.start_main_~i~4 117), 66386#(<= ULTIMATE.start_main_~i~4 116), 66388#(<= ULTIMATE.start_main_~i~4 118), 66269#false, 66268#true, 66271#(<= ULTIMATE.start_main_~i~4 1), 66270#(<= ULTIMATE.start_main_~i~4 0), 66273#(<= ULTIMATE.start_main_~i~4 3), 66272#(<= ULTIMATE.start_main_~i~4 2), 66275#(<= ULTIMATE.start_main_~i~4 5), 66274#(<= ULTIMATE.start_main_~i~4 4), 66277#(<= ULTIMATE.start_main_~i~4 7), 66276#(<= ULTIMATE.start_main_~i~4 6), 66279#(<= ULTIMATE.start_main_~i~4 9), 66278#(<= ULTIMATE.start_main_~i~4 8), 66281#(<= ULTIMATE.start_main_~i~4 11), 66280#(<= ULTIMATE.start_main_~i~4 10), 66283#(<= ULTIMATE.start_main_~i~4 13), 66282#(<= ULTIMATE.start_main_~i~4 12), 66285#(<= ULTIMATE.start_main_~i~4 15), 66284#(<= ULTIMATE.start_main_~i~4 14), 66287#(<= ULTIMATE.start_main_~i~4 17), 66286#(<= ULTIMATE.start_main_~i~4 16), 66289#(<= ULTIMATE.start_main_~i~4 19), 66288#(<= ULTIMATE.start_main_~i~4 18), 66291#(<= ULTIMATE.start_main_~i~4 21), 66290#(<= ULTIMATE.start_main_~i~4 20), 66293#(<= ULTIMATE.start_main_~i~4 23), 66292#(<= ULTIMATE.start_main_~i~4 22), 66295#(<= ULTIMATE.start_main_~i~4 25), 66294#(<= ULTIMATE.start_main_~i~4 24), 66297#(<= ULTIMATE.start_main_~i~4 27), 66296#(<= ULTIMATE.start_main_~i~4 26), 66299#(<= ULTIMATE.start_main_~i~4 29), 66298#(<= ULTIMATE.start_main_~i~4 28), 66301#(<= ULTIMATE.start_main_~i~4 31), 66300#(<= ULTIMATE.start_main_~i~4 30), 66303#(<= ULTIMATE.start_main_~i~4 33), 66302#(<= ULTIMATE.start_main_~i~4 32)] [2018-07-23 13:43:45,925 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 13:43:45,925 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:43:45,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:43:45,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:43:45,926 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 121 states. [2018-07-23 13:43:46,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:46,090 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:43:46,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:43:46,090 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 240 [2018-07-23 13:43:46,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:46,091 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:43:46,091 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:43:46,093 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 13:43:46,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:43:46,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:43:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:43:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:43:46,097 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 240 [2018-07-23 13:43:46,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:46,097 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:43:46,097 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:43:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:43:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:43:46,098 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:46,098 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1] [2018-07-23 13:43:46,098 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:46,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1239446717, now seen corresponding path program 119 times [2018-07-23 13:43:46,099 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:46,667 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 13:43:46,667 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:46,667 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:43:46,668 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:46,668 INFO L185 omatonBuilderFactory]: Interpolants [67365#true, 67367#(<= ULTIMATE.start_main_~i~4 0), 67366#false, 67369#(<= ULTIMATE.start_main_~i~4 2), 67368#(<= ULTIMATE.start_main_~i~4 1), 67371#(<= ULTIMATE.start_main_~i~4 4), 67370#(<= ULTIMATE.start_main_~i~4 3), 67373#(<= ULTIMATE.start_main_~i~4 6), 67372#(<= ULTIMATE.start_main_~i~4 5), 67375#(<= ULTIMATE.start_main_~i~4 8), 67374#(<= ULTIMATE.start_main_~i~4 7), 67377#(<= ULTIMATE.start_main_~i~4 10), 67376#(<= ULTIMATE.start_main_~i~4 9), 67379#(<= ULTIMATE.start_main_~i~4 12), 67378#(<= ULTIMATE.start_main_~i~4 11), 67381#(<= ULTIMATE.start_main_~i~4 14), 67380#(<= ULTIMATE.start_main_~i~4 13), 67383#(<= ULTIMATE.start_main_~i~4 16), 67382#(<= ULTIMATE.start_main_~i~4 15), 67385#(<= ULTIMATE.start_main_~i~4 18), 67384#(<= ULTIMATE.start_main_~i~4 17), 67387#(<= ULTIMATE.start_main_~i~4 20), 67386#(<= ULTIMATE.start_main_~i~4 19), 67389#(<= ULTIMATE.start_main_~i~4 22), 67388#(<= ULTIMATE.start_main_~i~4 21), 67391#(<= ULTIMATE.start_main_~i~4 24), 67390#(<= ULTIMATE.start_main_~i~4 23), 67393#(<= ULTIMATE.start_main_~i~4 26), 67392#(<= ULTIMATE.start_main_~i~4 25), 67395#(<= ULTIMATE.start_main_~i~4 28), 67394#(<= ULTIMATE.start_main_~i~4 27), 67397#(<= ULTIMATE.start_main_~i~4 30), 67396#(<= ULTIMATE.start_main_~i~4 29), 67399#(<= ULTIMATE.start_main_~i~4 32), 67398#(<= ULTIMATE.start_main_~i~4 31), 67401#(<= ULTIMATE.start_main_~i~4 34), 67400#(<= ULTIMATE.start_main_~i~4 33), 67403#(<= ULTIMATE.start_main_~i~4 36), 67402#(<= ULTIMATE.start_main_~i~4 35), 67405#(<= ULTIMATE.start_main_~i~4 38), 67404#(<= ULTIMATE.start_main_~i~4 37), 67407#(<= ULTIMATE.start_main_~i~4 40), 67406#(<= ULTIMATE.start_main_~i~4 39), 67409#(<= ULTIMATE.start_main_~i~4 42), 67408#(<= ULTIMATE.start_main_~i~4 41), 67411#(<= ULTIMATE.start_main_~i~4 44), 67410#(<= ULTIMATE.start_main_~i~4 43), 67413#(<= ULTIMATE.start_main_~i~4 46), 67412#(<= ULTIMATE.start_main_~i~4 45), 67415#(<= ULTIMATE.start_main_~i~4 48), 67414#(<= ULTIMATE.start_main_~i~4 47), 67417#(<= ULTIMATE.start_main_~i~4 50), 67416#(<= ULTIMATE.start_main_~i~4 49), 67419#(<= ULTIMATE.start_main_~i~4 52), 67418#(<= ULTIMATE.start_main_~i~4 51), 67421#(<= ULTIMATE.start_main_~i~4 54), 67420#(<= ULTIMATE.start_main_~i~4 53), 67423#(<= ULTIMATE.start_main_~i~4 56), 67422#(<= ULTIMATE.start_main_~i~4 55), 67425#(<= ULTIMATE.start_main_~i~4 58), 67424#(<= ULTIMATE.start_main_~i~4 57), 67427#(<= ULTIMATE.start_main_~i~4 60), 67426#(<= ULTIMATE.start_main_~i~4 59), 67429#(<= ULTIMATE.start_main_~i~4 62), 67428#(<= ULTIMATE.start_main_~i~4 61), 67431#(<= ULTIMATE.start_main_~i~4 64), 67430#(<= ULTIMATE.start_main_~i~4 63), 67433#(<= ULTIMATE.start_main_~i~4 66), 67432#(<= ULTIMATE.start_main_~i~4 65), 67435#(<= ULTIMATE.start_main_~i~4 68), 67434#(<= ULTIMATE.start_main_~i~4 67), 67437#(<= ULTIMATE.start_main_~i~4 70), 67436#(<= ULTIMATE.start_main_~i~4 69), 67439#(<= ULTIMATE.start_main_~i~4 72), 67438#(<= ULTIMATE.start_main_~i~4 71), 67441#(<= ULTIMATE.start_main_~i~4 74), 67440#(<= ULTIMATE.start_main_~i~4 73), 67443#(<= ULTIMATE.start_main_~i~4 76), 67442#(<= ULTIMATE.start_main_~i~4 75), 67445#(<= ULTIMATE.start_main_~i~4 78), 67444#(<= ULTIMATE.start_main_~i~4 77), 67447#(<= ULTIMATE.start_main_~i~4 80), 67446#(<= ULTIMATE.start_main_~i~4 79), 67449#(<= ULTIMATE.start_main_~i~4 82), 67448#(<= ULTIMATE.start_main_~i~4 81), 67451#(<= ULTIMATE.start_main_~i~4 84), 67450#(<= ULTIMATE.start_main_~i~4 83), 67453#(<= ULTIMATE.start_main_~i~4 86), 67452#(<= ULTIMATE.start_main_~i~4 85), 67455#(<= ULTIMATE.start_main_~i~4 88), 67454#(<= ULTIMATE.start_main_~i~4 87), 67457#(<= ULTIMATE.start_main_~i~4 90), 67456#(<= ULTIMATE.start_main_~i~4 89), 67459#(<= ULTIMATE.start_main_~i~4 92), 67458#(<= ULTIMATE.start_main_~i~4 91), 67461#(<= ULTIMATE.start_main_~i~4 94), 67460#(<= ULTIMATE.start_main_~i~4 93), 67463#(<= ULTIMATE.start_main_~i~4 96), 67462#(<= ULTIMATE.start_main_~i~4 95), 67465#(<= ULTIMATE.start_main_~i~4 98), 67464#(<= ULTIMATE.start_main_~i~4 97), 67467#(<= ULTIMATE.start_main_~i~4 100), 67466#(<= ULTIMATE.start_main_~i~4 99), 67469#(<= ULTIMATE.start_main_~i~4 102), 67468#(<= ULTIMATE.start_main_~i~4 101), 67471#(<= ULTIMATE.start_main_~i~4 104), 67470#(<= ULTIMATE.start_main_~i~4 103), 67473#(<= ULTIMATE.start_main_~i~4 106), 67472#(<= ULTIMATE.start_main_~i~4 105), 67475#(<= ULTIMATE.start_main_~i~4 108), 67474#(<= ULTIMATE.start_main_~i~4 107), 67477#(<= ULTIMATE.start_main_~i~4 110), 67476#(<= ULTIMATE.start_main_~i~4 109), 67479#(<= ULTIMATE.start_main_~i~4 112), 67478#(<= ULTIMATE.start_main_~i~4 111), 67481#(<= ULTIMATE.start_main_~i~4 114), 67480#(<= ULTIMATE.start_main_~i~4 113), 67483#(<= ULTIMATE.start_main_~i~4 116), 67482#(<= ULTIMATE.start_main_~i~4 115), 67485#(<= ULTIMATE.start_main_~i~4 118), 67484#(<= ULTIMATE.start_main_~i~4 117), 67486#(<= ULTIMATE.start_main_~i~4 119)] [2018-07-23 13:43:46,669 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 13:43:46,669 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:43:46,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:43:46,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:43:46,670 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 122 states. [2018-07-23 13:43:46,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:46,905 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:43:46,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:43:46,905 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 242 [2018-07-23 13:43:46,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:46,906 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:43:46,906 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:43:46,907 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:43:46,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:43:46,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:43:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:43:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:43:46,911 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 242 [2018-07-23 13:43:46,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:46,911 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:43:46,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:43:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:43:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:43:46,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:46,913 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1] [2018-07-23 13:43:46,913 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:46,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1402406135, now seen corresponding path program 120 times [2018-07-23 13:43:46,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:47,312 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 13:43:47,313 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:47,313 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:43:47,313 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:47,313 INFO L185 omatonBuilderFactory]: Interpolants [68471#true, 68473#(<= ULTIMATE.start_main_~i~4 0), 68472#false, 68475#(<= ULTIMATE.start_main_~i~4 2), 68474#(<= ULTIMATE.start_main_~i~4 1), 68477#(<= ULTIMATE.start_main_~i~4 4), 68476#(<= ULTIMATE.start_main_~i~4 3), 68479#(<= ULTIMATE.start_main_~i~4 6), 68478#(<= ULTIMATE.start_main_~i~4 5), 68481#(<= ULTIMATE.start_main_~i~4 8), 68480#(<= ULTIMATE.start_main_~i~4 7), 68483#(<= ULTIMATE.start_main_~i~4 10), 68482#(<= ULTIMATE.start_main_~i~4 9), 68485#(<= ULTIMATE.start_main_~i~4 12), 68484#(<= ULTIMATE.start_main_~i~4 11), 68487#(<= ULTIMATE.start_main_~i~4 14), 68486#(<= ULTIMATE.start_main_~i~4 13), 68489#(<= ULTIMATE.start_main_~i~4 16), 68488#(<= ULTIMATE.start_main_~i~4 15), 68491#(<= ULTIMATE.start_main_~i~4 18), 68490#(<= ULTIMATE.start_main_~i~4 17), 68493#(<= ULTIMATE.start_main_~i~4 20), 68492#(<= ULTIMATE.start_main_~i~4 19), 68495#(<= ULTIMATE.start_main_~i~4 22), 68494#(<= ULTIMATE.start_main_~i~4 21), 68497#(<= ULTIMATE.start_main_~i~4 24), 68496#(<= ULTIMATE.start_main_~i~4 23), 68499#(<= ULTIMATE.start_main_~i~4 26), 68498#(<= ULTIMATE.start_main_~i~4 25), 68501#(<= ULTIMATE.start_main_~i~4 28), 68500#(<= ULTIMATE.start_main_~i~4 27), 68503#(<= ULTIMATE.start_main_~i~4 30), 68502#(<= ULTIMATE.start_main_~i~4 29), 68505#(<= ULTIMATE.start_main_~i~4 32), 68504#(<= ULTIMATE.start_main_~i~4 31), 68507#(<= ULTIMATE.start_main_~i~4 34), 68506#(<= ULTIMATE.start_main_~i~4 33), 68509#(<= ULTIMATE.start_main_~i~4 36), 68508#(<= ULTIMATE.start_main_~i~4 35), 68511#(<= ULTIMATE.start_main_~i~4 38), 68510#(<= ULTIMATE.start_main_~i~4 37), 68513#(<= ULTIMATE.start_main_~i~4 40), 68512#(<= ULTIMATE.start_main_~i~4 39), 68515#(<= ULTIMATE.start_main_~i~4 42), 68514#(<= ULTIMATE.start_main_~i~4 41), 68517#(<= ULTIMATE.start_main_~i~4 44), 68516#(<= ULTIMATE.start_main_~i~4 43), 68519#(<= ULTIMATE.start_main_~i~4 46), 68518#(<= ULTIMATE.start_main_~i~4 45), 68521#(<= ULTIMATE.start_main_~i~4 48), 68520#(<= ULTIMATE.start_main_~i~4 47), 68523#(<= ULTIMATE.start_main_~i~4 50), 68522#(<= ULTIMATE.start_main_~i~4 49), 68525#(<= ULTIMATE.start_main_~i~4 52), 68524#(<= ULTIMATE.start_main_~i~4 51), 68527#(<= ULTIMATE.start_main_~i~4 54), 68526#(<= ULTIMATE.start_main_~i~4 53), 68529#(<= ULTIMATE.start_main_~i~4 56), 68528#(<= ULTIMATE.start_main_~i~4 55), 68531#(<= ULTIMATE.start_main_~i~4 58), 68530#(<= ULTIMATE.start_main_~i~4 57), 68533#(<= ULTIMATE.start_main_~i~4 60), 68532#(<= ULTIMATE.start_main_~i~4 59), 68535#(<= ULTIMATE.start_main_~i~4 62), 68534#(<= ULTIMATE.start_main_~i~4 61), 68537#(<= ULTIMATE.start_main_~i~4 64), 68536#(<= ULTIMATE.start_main_~i~4 63), 68539#(<= ULTIMATE.start_main_~i~4 66), 68538#(<= ULTIMATE.start_main_~i~4 65), 68541#(<= ULTIMATE.start_main_~i~4 68), 68540#(<= ULTIMATE.start_main_~i~4 67), 68543#(<= ULTIMATE.start_main_~i~4 70), 68542#(<= ULTIMATE.start_main_~i~4 69), 68545#(<= ULTIMATE.start_main_~i~4 72), 68544#(<= ULTIMATE.start_main_~i~4 71), 68547#(<= ULTIMATE.start_main_~i~4 74), 68546#(<= ULTIMATE.start_main_~i~4 73), 68549#(<= ULTIMATE.start_main_~i~4 76), 68548#(<= ULTIMATE.start_main_~i~4 75), 68551#(<= ULTIMATE.start_main_~i~4 78), 68550#(<= ULTIMATE.start_main_~i~4 77), 68553#(<= ULTIMATE.start_main_~i~4 80), 68552#(<= ULTIMATE.start_main_~i~4 79), 68555#(<= ULTIMATE.start_main_~i~4 82), 68554#(<= ULTIMATE.start_main_~i~4 81), 68557#(<= ULTIMATE.start_main_~i~4 84), 68556#(<= ULTIMATE.start_main_~i~4 83), 68559#(<= ULTIMATE.start_main_~i~4 86), 68558#(<= ULTIMATE.start_main_~i~4 85), 68561#(<= ULTIMATE.start_main_~i~4 88), 68560#(<= ULTIMATE.start_main_~i~4 87), 68563#(<= ULTIMATE.start_main_~i~4 90), 68562#(<= ULTIMATE.start_main_~i~4 89), 68565#(<= ULTIMATE.start_main_~i~4 92), 68564#(<= ULTIMATE.start_main_~i~4 91), 68567#(<= ULTIMATE.start_main_~i~4 94), 68566#(<= ULTIMATE.start_main_~i~4 93), 68569#(<= ULTIMATE.start_main_~i~4 96), 68568#(<= ULTIMATE.start_main_~i~4 95), 68571#(<= ULTIMATE.start_main_~i~4 98), 68570#(<= ULTIMATE.start_main_~i~4 97), 68573#(<= ULTIMATE.start_main_~i~4 100), 68572#(<= ULTIMATE.start_main_~i~4 99), 68575#(<= ULTIMATE.start_main_~i~4 102), 68574#(<= ULTIMATE.start_main_~i~4 101), 68577#(<= ULTIMATE.start_main_~i~4 104), 68576#(<= ULTIMATE.start_main_~i~4 103), 68579#(<= ULTIMATE.start_main_~i~4 106), 68578#(<= ULTIMATE.start_main_~i~4 105), 68581#(<= ULTIMATE.start_main_~i~4 108), 68580#(<= ULTIMATE.start_main_~i~4 107), 68583#(<= ULTIMATE.start_main_~i~4 110), 68582#(<= ULTIMATE.start_main_~i~4 109), 68585#(<= ULTIMATE.start_main_~i~4 112), 68584#(<= ULTIMATE.start_main_~i~4 111), 68587#(<= ULTIMATE.start_main_~i~4 114), 68586#(<= ULTIMATE.start_main_~i~4 113), 68589#(<= ULTIMATE.start_main_~i~4 116), 68588#(<= ULTIMATE.start_main_~i~4 115), 68591#(<= ULTIMATE.start_main_~i~4 118), 68590#(<= ULTIMATE.start_main_~i~4 117), 68593#(<= ULTIMATE.start_main_~i~4 120), 68592#(<= ULTIMATE.start_main_~i~4 119)] [2018-07-23 13:43:47,314 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 13:43:47,314 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:43:47,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:43:47,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:43:47,316 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 123 states. [2018-07-23 13:43:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:47,586 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:43:47,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:43:47,586 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 244 [2018-07-23 13:43:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:47,587 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:43:47,587 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:43:47,588 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:43:47,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:43:47,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:43:47,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:43:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:43:47,591 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 244 [2018-07-23 13:43:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:47,592 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:43:47,592 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:43:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:43:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:43:47,593 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:47,593 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1] [2018-07-23 13:43:47,593 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:47,594 INFO L82 PathProgramCache]: Analyzing trace with hash -907383119, now seen corresponding path program 121 times [2018-07-23 13:43:47,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:47,962 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 13:43:47,963 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:47,963 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:43:47,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:47,963 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= ULTIMATE.start_main_~i~4 45), 69632#(<= ULTIMATE.start_main_~i~4 44), 69635#(<= ULTIMATE.start_main_~i~4 47), 69634#(<= ULTIMATE.start_main_~i~4 46), 69637#(<= ULTIMATE.start_main_~i~4 49), 69636#(<= ULTIMATE.start_main_~i~4 48), 69639#(<= ULTIMATE.start_main_~i~4 51), 69638#(<= ULTIMATE.start_main_~i~4 50), 69641#(<= ULTIMATE.start_main_~i~4 53), 69640#(<= ULTIMATE.start_main_~i~4 52), 69643#(<= ULTIMATE.start_main_~i~4 55), 69642#(<= ULTIMATE.start_main_~i~4 54), 69645#(<= ULTIMATE.start_main_~i~4 57), 69644#(<= ULTIMATE.start_main_~i~4 56), 69647#(<= ULTIMATE.start_main_~i~4 59), 69646#(<= ULTIMATE.start_main_~i~4 58), 69649#(<= ULTIMATE.start_main_~i~4 61), 69648#(<= ULTIMATE.start_main_~i~4 60), 69651#(<= ULTIMATE.start_main_~i~4 63), 69650#(<= ULTIMATE.start_main_~i~4 62), 69653#(<= ULTIMATE.start_main_~i~4 65), 69652#(<= ULTIMATE.start_main_~i~4 64), 69655#(<= ULTIMATE.start_main_~i~4 67), 69654#(<= ULTIMATE.start_main_~i~4 66), 69657#(<= ULTIMATE.start_main_~i~4 69), 69656#(<= ULTIMATE.start_main_~i~4 68), 69659#(<= ULTIMATE.start_main_~i~4 71), 69658#(<= ULTIMATE.start_main_~i~4 70), 69661#(<= ULTIMATE.start_main_~i~4 73), 69660#(<= ULTIMATE.start_main_~i~4 72), 69663#(<= ULTIMATE.start_main_~i~4 75), 69662#(<= ULTIMATE.start_main_~i~4 74), 69665#(<= ULTIMATE.start_main_~i~4 77), 69664#(<= ULTIMATE.start_main_~i~4 76), 69667#(<= ULTIMATE.start_main_~i~4 79), 69666#(<= ULTIMATE.start_main_~i~4 78), 69669#(<= ULTIMATE.start_main_~i~4 81), 69668#(<= ULTIMATE.start_main_~i~4 80), 69671#(<= ULTIMATE.start_main_~i~4 83), 69670#(<= ULTIMATE.start_main_~i~4 82), 69673#(<= ULTIMATE.start_main_~i~4 85), 69672#(<= ULTIMATE.start_main_~i~4 84), 69675#(<= ULTIMATE.start_main_~i~4 87), 69674#(<= ULTIMATE.start_main_~i~4 86), 69677#(<= ULTIMATE.start_main_~i~4 89), 69676#(<= ULTIMATE.start_main_~i~4 88), 69679#(<= ULTIMATE.start_main_~i~4 91), 69678#(<= ULTIMATE.start_main_~i~4 90), 69681#(<= ULTIMATE.start_main_~i~4 93), 69680#(<= ULTIMATE.start_main_~i~4 92), 69683#(<= ULTIMATE.start_main_~i~4 95), 69682#(<= ULTIMATE.start_main_~i~4 94), 69685#(<= ULTIMATE.start_main_~i~4 97), 69684#(<= ULTIMATE.start_main_~i~4 96), 69687#(<= ULTIMATE.start_main_~i~4 99), 69686#(<= ULTIMATE.start_main_~i~4 98), 69689#(<= ULTIMATE.start_main_~i~4 101), 69688#(<= ULTIMATE.start_main_~i~4 100), 69691#(<= ULTIMATE.start_main_~i~4 103), 69690#(<= ULTIMATE.start_main_~i~4 102), 69693#(<= ULTIMATE.start_main_~i~4 105), 69692#(<= ULTIMATE.start_main_~i~4 104), 69695#(<= ULTIMATE.start_main_~i~4 107), 69694#(<= ULTIMATE.start_main_~i~4 106), 69697#(<= ULTIMATE.start_main_~i~4 109), 69696#(<= ULTIMATE.start_main_~i~4 108), 69699#(<= ULTIMATE.start_main_~i~4 111), 69698#(<= ULTIMATE.start_main_~i~4 110), 69701#(<= ULTIMATE.start_main_~i~4 113), 69700#(<= ULTIMATE.start_main_~i~4 112), 69703#(<= ULTIMATE.start_main_~i~4 115), 69702#(<= ULTIMATE.start_main_~i~4 114), 69705#(<= ULTIMATE.start_main_~i~4 117), 69704#(<= ULTIMATE.start_main_~i~4 116), 69707#(<= ULTIMATE.start_main_~i~4 119), 69706#(<= ULTIMATE.start_main_~i~4 118), 69709#(<= ULTIMATE.start_main_~i~4 121), 69708#(<= ULTIMATE.start_main_~i~4 120), 69587#false, 69586#true, 69589#(<= ULTIMATE.start_main_~i~4 1), 69588#(<= ULTIMATE.start_main_~i~4 0), 69591#(<= ULTIMATE.start_main_~i~4 3), 69590#(<= ULTIMATE.start_main_~i~4 2), 69593#(<= ULTIMATE.start_main_~i~4 5), 69592#(<= ULTIMATE.start_main_~i~4 4), 69595#(<= ULTIMATE.start_main_~i~4 7), 69594#(<= ULTIMATE.start_main_~i~4 6), 69597#(<= ULTIMATE.start_main_~i~4 9), 69596#(<= ULTIMATE.start_main_~i~4 8), 69599#(<= ULTIMATE.start_main_~i~4 11), 69598#(<= ULTIMATE.start_main_~i~4 10), 69601#(<= ULTIMATE.start_main_~i~4 13), 69600#(<= ULTIMATE.start_main_~i~4 12), 69603#(<= ULTIMATE.start_main_~i~4 15), 69602#(<= ULTIMATE.start_main_~i~4 14), 69605#(<= ULTIMATE.start_main_~i~4 17), 69604#(<= ULTIMATE.start_main_~i~4 16), 69607#(<= ULTIMATE.start_main_~i~4 19), 69606#(<= ULTIMATE.start_main_~i~4 18), 69609#(<= ULTIMATE.start_main_~i~4 21), 69608#(<= ULTIMATE.start_main_~i~4 20), 69611#(<= ULTIMATE.start_main_~i~4 23), 69610#(<= ULTIMATE.start_main_~i~4 22), 69613#(<= ULTIMATE.start_main_~i~4 25), 69612#(<= ULTIMATE.start_main_~i~4 24), 69615#(<= ULTIMATE.start_main_~i~4 27), 69614#(<= ULTIMATE.start_main_~i~4 26), 69617#(<= ULTIMATE.start_main_~i~4 29), 69616#(<= ULTIMATE.start_main_~i~4 28), 69619#(<= ULTIMATE.start_main_~i~4 31), 69618#(<= ULTIMATE.start_main_~i~4 30), 69621#(<= ULTIMATE.start_main_~i~4 33), 69620#(<= ULTIMATE.start_main_~i~4 32), 69623#(<= ULTIMATE.start_main_~i~4 35), 69622#(<= ULTIMATE.start_main_~i~4 34), 69625#(<= ULTIMATE.start_main_~i~4 37), 69624#(<= ULTIMATE.start_main_~i~4 36), 69627#(<= ULTIMATE.start_main_~i~4 39), 69626#(<= ULTIMATE.start_main_~i~4 38), 69629#(<= ULTIMATE.start_main_~i~4 41), 69628#(<= ULTIMATE.start_main_~i~4 40), 69631#(<= ULTIMATE.start_main_~i~4 43), 69630#(<= ULTIMATE.start_main_~i~4 42)] [2018-07-23 13:43:47,964 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 13:43:47,964 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:43:47,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:43:47,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:43:47,966 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 124 states. [2018-07-23 13:43:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:48,111 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:43:48,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:43:48,111 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 246 [2018-07-23 13:43:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:48,112 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:43:48,112 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:43:48,113 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 13:43:48,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:43:48,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:43:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:43:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:43:48,118 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 246 [2018-07-23 13:43:48,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:48,118 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:43:48,118 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:43:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:43:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:43:48,119 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:48,119 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1] [2018-07-23 13:43:48,120 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:48,120 INFO L82 PathProgramCache]: Analyzing trace with hash -116764181, now seen corresponding path program 122 times [2018-07-23 13:43:48,120 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:48,516 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 13:43:48,516 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:48,516 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:43:48,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:48,517 INFO L185 omatonBuilderFactory]: Interpolants [70711#false, 70710#true, 70713#(<= ULTIMATE.start_main_~i~4 1), 70712#(<= ULTIMATE.start_main_~i~4 0), 70715#(<= ULTIMATE.start_main_~i~4 3), 70714#(<= ULTIMATE.start_main_~i~4 2), 70717#(<= ULTIMATE.start_main_~i~4 5), 70716#(<= ULTIMATE.start_main_~i~4 4), 70719#(<= ULTIMATE.start_main_~i~4 7), 70718#(<= ULTIMATE.start_main_~i~4 6), 70721#(<= ULTIMATE.start_main_~i~4 9), 70720#(<= ULTIMATE.start_main_~i~4 8), 70723#(<= ULTIMATE.start_main_~i~4 11), 70722#(<= ULTIMATE.start_main_~i~4 10), 70725#(<= ULTIMATE.start_main_~i~4 13), 70724#(<= ULTIMATE.start_main_~i~4 12), 70727#(<= ULTIMATE.start_main_~i~4 15), 70726#(<= ULTIMATE.start_main_~i~4 14), 70729#(<= ULTIMATE.start_main_~i~4 17), 70728#(<= ULTIMATE.start_main_~i~4 16), 70731#(<= ULTIMATE.start_main_~i~4 19), 70730#(<= ULTIMATE.start_main_~i~4 18), 70733#(<= ULTIMATE.start_main_~i~4 21), 70732#(<= ULTIMATE.start_main_~i~4 20), 70735#(<= ULTIMATE.start_main_~i~4 23), 70734#(<= ULTIMATE.start_main_~i~4 22), 70737#(<= ULTIMATE.start_main_~i~4 25), 70736#(<= ULTIMATE.start_main_~i~4 24), 70739#(<= ULTIMATE.start_main_~i~4 27), 70738#(<= ULTIMATE.start_main_~i~4 26), 70741#(<= ULTIMATE.start_main_~i~4 29), 70740#(<= ULTIMATE.start_main_~i~4 28), 70743#(<= ULTIMATE.start_main_~i~4 31), 70742#(<= ULTIMATE.start_main_~i~4 30), 70745#(<= ULTIMATE.start_main_~i~4 33), 70744#(<= ULTIMATE.start_main_~i~4 32), 70747#(<= ULTIMATE.start_main_~i~4 35), 70746#(<= ULTIMATE.start_main_~i~4 34), 70749#(<= ULTIMATE.start_main_~i~4 37), 70748#(<= ULTIMATE.start_main_~i~4 36), 70751#(<= ULTIMATE.start_main_~i~4 39), 70750#(<= ULTIMATE.start_main_~i~4 38), 70753#(<= ULTIMATE.start_main_~i~4 41), 70752#(<= ULTIMATE.start_main_~i~4 40), 70755#(<= ULTIMATE.start_main_~i~4 43), 70754#(<= ULTIMATE.start_main_~i~4 42), 70757#(<= ULTIMATE.start_main_~i~4 45), 70756#(<= ULTIMATE.start_main_~i~4 44), 70759#(<= ULTIMATE.start_main_~i~4 47), 70758#(<= ULTIMATE.start_main_~i~4 46), 70761#(<= ULTIMATE.start_main_~i~4 49), 70760#(<= ULTIMATE.start_main_~i~4 48), 70763#(<= ULTIMATE.start_main_~i~4 51), 70762#(<= ULTIMATE.start_main_~i~4 50), 70765#(<= ULTIMATE.start_main_~i~4 53), 70764#(<= ULTIMATE.start_main_~i~4 52), 70767#(<= ULTIMATE.start_main_~i~4 55), 70766#(<= ULTIMATE.start_main_~i~4 54), 70769#(<= ULTIMATE.start_main_~i~4 57), 70768#(<= ULTIMATE.start_main_~i~4 56), 70771#(<= ULTIMATE.start_main_~i~4 59), 70770#(<= ULTIMATE.start_main_~i~4 58), 70773#(<= ULTIMATE.start_main_~i~4 61), 70772#(<= ULTIMATE.start_main_~i~4 60), 70775#(<= ULTIMATE.start_main_~i~4 63), 70774#(<= ULTIMATE.start_main_~i~4 62), 70777#(<= ULTIMATE.start_main_~i~4 65), 70776#(<= ULTIMATE.start_main_~i~4 64), 70779#(<= ULTIMATE.start_main_~i~4 67), 70778#(<= ULTIMATE.start_main_~i~4 66), 70781#(<= ULTIMATE.start_main_~i~4 69), 70780#(<= ULTIMATE.start_main_~i~4 68), 70783#(<= ULTIMATE.start_main_~i~4 71), 70782#(<= ULTIMATE.start_main_~i~4 70), 70785#(<= ULTIMATE.start_main_~i~4 73), 70784#(<= ULTIMATE.start_main_~i~4 72), 70787#(<= ULTIMATE.start_main_~i~4 75), 70786#(<= ULTIMATE.start_main_~i~4 74), 70789#(<= ULTIMATE.start_main_~i~4 77), 70788#(<= ULTIMATE.start_main_~i~4 76), 70791#(<= ULTIMATE.start_main_~i~4 79), 70790#(<= ULTIMATE.start_main_~i~4 78), 70793#(<= ULTIMATE.start_main_~i~4 81), 70792#(<= ULTIMATE.start_main_~i~4 80), 70795#(<= ULTIMATE.start_main_~i~4 83), 70794#(<= ULTIMATE.start_main_~i~4 82), 70797#(<= ULTIMATE.start_main_~i~4 85), 70796#(<= ULTIMATE.start_main_~i~4 84), 70799#(<= ULTIMATE.start_main_~i~4 87), 70798#(<= ULTIMATE.start_main_~i~4 86), 70801#(<= ULTIMATE.start_main_~i~4 89), 70800#(<= ULTIMATE.start_main_~i~4 88), 70803#(<= ULTIMATE.start_main_~i~4 91), 70802#(<= ULTIMATE.start_main_~i~4 90), 70805#(<= ULTIMATE.start_main_~i~4 93), 70804#(<= ULTIMATE.start_main_~i~4 92), 70807#(<= ULTIMATE.start_main_~i~4 95), 70806#(<= ULTIMATE.start_main_~i~4 94), 70809#(<= ULTIMATE.start_main_~i~4 97), 70808#(<= ULTIMATE.start_main_~i~4 96), 70811#(<= ULTIMATE.start_main_~i~4 99), 70810#(<= ULTIMATE.start_main_~i~4 98), 70813#(<= ULTIMATE.start_main_~i~4 101), 70812#(<= ULTIMATE.start_main_~i~4 100), 70815#(<= ULTIMATE.start_main_~i~4 103), 70814#(<= ULTIMATE.start_main_~i~4 102), 70817#(<= ULTIMATE.start_main_~i~4 105), 70816#(<= ULTIMATE.start_main_~i~4 104), 70819#(<= ULTIMATE.start_main_~i~4 107), 70818#(<= ULTIMATE.start_main_~i~4 106), 70821#(<= ULTIMATE.start_main_~i~4 109), 70820#(<= ULTIMATE.start_main_~i~4 108), 70823#(<= ULTIMATE.start_main_~i~4 111), 70822#(<= ULTIMATE.start_main_~i~4 110), 70825#(<= ULTIMATE.start_main_~i~4 113), 70824#(<= ULTIMATE.start_main_~i~4 112), 70827#(<= ULTIMATE.start_main_~i~4 115), 70826#(<= ULTIMATE.start_main_~i~4 114), 70829#(<= ULTIMATE.start_main_~i~4 117), 70828#(<= ULTIMATE.start_main_~i~4 116), 70831#(<= ULTIMATE.start_main_~i~4 119), 70830#(<= ULTIMATE.start_main_~i~4 118), 70833#(<= ULTIMATE.start_main_~i~4 121), 70832#(<= ULTIMATE.start_main_~i~4 120), 70834#(<= ULTIMATE.start_main_~i~4 122)] [2018-07-23 13:43:48,518 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 13:43:48,518 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:43:48,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:43:48,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:43:48,519 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 125 states. [2018-07-23 13:43:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:48,739 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:43:48,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:43:48,740 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 248 [2018-07-23 13:43:48,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:48,740 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:43:48,740 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:43:48,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:43:48,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:43:48,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:43:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:43:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:43:48,746 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 248 [2018-07-23 13:43:48,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:48,747 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:43:48,747 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:43:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:43:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:43:48,748 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:48,748 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1] [2018-07-23 13:43:48,748 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:48,748 INFO L82 PathProgramCache]: Analyzing trace with hash -541176155, now seen corresponding path program 123 times [2018-07-23 13:43:48,748 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:49,245 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 13:43:49,246 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:49,246 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:43:49,246 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:49,247 INFO L185 omatonBuilderFactory]: Interpolants [71937#(<= ULTIMATE.start_main_~i~4 92), 71936#(<= ULTIMATE.start_main_~i~4 91), 71939#(<= ULTIMATE.start_main_~i~4 94), 71938#(<= ULTIMATE.start_main_~i~4 93), 71941#(<= ULTIMATE.start_main_~i~4 96), 71940#(<= ULTIMATE.start_main_~i~4 95), 71943#(<= ULTIMATE.start_main_~i~4 98), 71942#(<= ULTIMATE.start_main_~i~4 97), 71945#(<= ULTIMATE.start_main_~i~4 100), 71944#(<= ULTIMATE.start_main_~i~4 99), 71947#(<= ULTIMATE.start_main_~i~4 102), 71946#(<= ULTIMATE.start_main_~i~4 101), 71949#(<= ULTIMATE.start_main_~i~4 104), 71948#(<= ULTIMATE.start_main_~i~4 103), 71951#(<= ULTIMATE.start_main_~i~4 106), 71950#(<= ULTIMATE.start_main_~i~4 105), 71953#(<= ULTIMATE.start_main_~i~4 108), 71952#(<= ULTIMATE.start_main_~i~4 107), 71955#(<= ULTIMATE.start_main_~i~4 110), 71954#(<= ULTIMATE.start_main_~i~4 109), 71957#(<= ULTIMATE.start_main_~i~4 112), 71956#(<= ULTIMATE.start_main_~i~4 111), 71959#(<= ULTIMATE.start_main_~i~4 114), 71958#(<= ULTIMATE.start_main_~i~4 113), 71961#(<= ULTIMATE.start_main_~i~4 116), 71960#(<= ULTIMATE.start_main_~i~4 115), 71963#(<= ULTIMATE.start_main_~i~4 118), 71962#(<= ULTIMATE.start_main_~i~4 117), 71965#(<= ULTIMATE.start_main_~i~4 120), 71964#(<= ULTIMATE.start_main_~i~4 119), 71967#(<= ULTIMATE.start_main_~i~4 122), 71966#(<= ULTIMATE.start_main_~i~4 121), 71968#(<= ULTIMATE.start_main_~i~4 123), 71843#true, 71845#(<= ULTIMATE.start_main_~i~4 0), 71844#false, 71847#(<= ULTIMATE.start_main_~i~4 2), 71846#(<= ULTIMATE.start_main_~i~4 1), 71849#(<= ULTIMATE.start_main_~i~4 4), 71848#(<= ULTIMATE.start_main_~i~4 3), 71851#(<= ULTIMATE.start_main_~i~4 6), 71850#(<= ULTIMATE.start_main_~i~4 5), 71853#(<= ULTIMATE.start_main_~i~4 8), 71852#(<= ULTIMATE.start_main_~i~4 7), 71855#(<= ULTIMATE.start_main_~i~4 10), 71854#(<= ULTIMATE.start_main_~i~4 9), 71857#(<= ULTIMATE.start_main_~i~4 12), 71856#(<= ULTIMATE.start_main_~i~4 11), 71859#(<= ULTIMATE.start_main_~i~4 14), 71858#(<= ULTIMATE.start_main_~i~4 13), 71861#(<= ULTIMATE.start_main_~i~4 16), 71860#(<= ULTIMATE.start_main_~i~4 15), 71863#(<= ULTIMATE.start_main_~i~4 18), 71862#(<= ULTIMATE.start_main_~i~4 17), 71865#(<= ULTIMATE.start_main_~i~4 20), 71864#(<= ULTIMATE.start_main_~i~4 19), 71867#(<= ULTIMATE.start_main_~i~4 22), 71866#(<= ULTIMATE.start_main_~i~4 21), 71869#(<= ULTIMATE.start_main_~i~4 24), 71868#(<= ULTIMATE.start_main_~i~4 23), 71871#(<= ULTIMATE.start_main_~i~4 26), 71870#(<= ULTIMATE.start_main_~i~4 25), 71873#(<= ULTIMATE.start_main_~i~4 28), 71872#(<= ULTIMATE.start_main_~i~4 27), 71875#(<= ULTIMATE.start_main_~i~4 30), 71874#(<= ULTIMATE.start_main_~i~4 29), 71877#(<= ULTIMATE.start_main_~i~4 32), 71876#(<= ULTIMATE.start_main_~i~4 31), 71879#(<= ULTIMATE.start_main_~i~4 34), 71878#(<= ULTIMATE.start_main_~i~4 33), 71881#(<= ULTIMATE.start_main_~i~4 36), 71880#(<= ULTIMATE.start_main_~i~4 35), 71883#(<= ULTIMATE.start_main_~i~4 38), 71882#(<= ULTIMATE.start_main_~i~4 37), 71885#(<= ULTIMATE.start_main_~i~4 40), 71884#(<= ULTIMATE.start_main_~i~4 39), 71887#(<= ULTIMATE.start_main_~i~4 42), 71886#(<= ULTIMATE.start_main_~i~4 41), 71889#(<= ULTIMATE.start_main_~i~4 44), 71888#(<= ULTIMATE.start_main_~i~4 43), 71891#(<= ULTIMATE.start_main_~i~4 46), 71890#(<= ULTIMATE.start_main_~i~4 45), 71893#(<= ULTIMATE.start_main_~i~4 48), 71892#(<= ULTIMATE.start_main_~i~4 47), 71895#(<= ULTIMATE.start_main_~i~4 50), 71894#(<= ULTIMATE.start_main_~i~4 49), 71897#(<= ULTIMATE.start_main_~i~4 52), 71896#(<= ULTIMATE.start_main_~i~4 51), 71899#(<= ULTIMATE.start_main_~i~4 54), 71898#(<= ULTIMATE.start_main_~i~4 53), 71901#(<= ULTIMATE.start_main_~i~4 56), 71900#(<= ULTIMATE.start_main_~i~4 55), 71903#(<= ULTIMATE.start_main_~i~4 58), 71902#(<= ULTIMATE.start_main_~i~4 57), 71905#(<= ULTIMATE.start_main_~i~4 60), 71904#(<= ULTIMATE.start_main_~i~4 59), 71907#(<= ULTIMATE.start_main_~i~4 62), 71906#(<= ULTIMATE.start_main_~i~4 61), 71909#(<= ULTIMATE.start_main_~i~4 64), 71908#(<= ULTIMATE.start_main_~i~4 63), 71911#(<= ULTIMATE.start_main_~i~4 66), 71910#(<= ULTIMATE.start_main_~i~4 65), 71913#(<= ULTIMATE.start_main_~i~4 68), 71912#(<= ULTIMATE.start_main_~i~4 67), 71915#(<= ULTIMATE.start_main_~i~4 70), 71914#(<= ULTIMATE.start_main_~i~4 69), 71917#(<= ULTIMATE.start_main_~i~4 72), 71916#(<= ULTIMATE.start_main_~i~4 71), 71919#(<= ULTIMATE.start_main_~i~4 74), 71918#(<= ULTIMATE.start_main_~i~4 73), 71921#(<= ULTIMATE.start_main_~i~4 76), 71920#(<= ULTIMATE.start_main_~i~4 75), 71923#(<= ULTIMATE.start_main_~i~4 78), 71922#(<= ULTIMATE.start_main_~i~4 77), 71925#(<= ULTIMATE.start_main_~i~4 80), 71924#(<= ULTIMATE.start_main_~i~4 79), 71927#(<= ULTIMATE.start_main_~i~4 82), 71926#(<= ULTIMATE.start_main_~i~4 81), 71929#(<= ULTIMATE.start_main_~i~4 84), 71928#(<= ULTIMATE.start_main_~i~4 83), 71931#(<= ULTIMATE.start_main_~i~4 86), 71930#(<= ULTIMATE.start_main_~i~4 85), 71933#(<= ULTIMATE.start_main_~i~4 88), 71932#(<= ULTIMATE.start_main_~i~4 87), 71935#(<= ULTIMATE.start_main_~i~4 90), 71934#(<= ULTIMATE.start_main_~i~4 89)] [2018-07-23 13:43:49,247 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 13:43:49,248 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:43:49,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:43:49,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:43:49,250 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 126 states. [2018-07-23 13:43:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:49,405 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:43:49,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:43:49,405 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 250 [2018-07-23 13:43:49,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:49,406 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:43:49,406 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:43:49,408 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:43:49,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:43:49,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:43:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:43:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:43:49,411 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 250 [2018-07-23 13:43:49,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:49,412 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:43:49,412 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:43:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:43:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:43:49,413 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:49,413 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1] [2018-07-23 13:43:49,413 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:49,413 INFO L82 PathProgramCache]: Analyzing trace with hash -379190049, now seen corresponding path program 124 times [2018-07-23 13:43:49,414 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:49,907 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 13:43:49,907 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:49,907 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:43:49,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:49,908 INFO L185 omatonBuilderFactory]: Interpolants [72985#true, 72987#(<= ULTIMATE.start_main_~i~4 0), 72986#false, 72989#(<= ULTIMATE.start_main_~i~4 2), 72988#(<= ULTIMATE.start_main_~i~4 1), 72991#(<= ULTIMATE.start_main_~i~4 4), 72990#(<= ULTIMATE.start_main_~i~4 3), 72993#(<= ULTIMATE.start_main_~i~4 6), 72992#(<= ULTIMATE.start_main_~i~4 5), 72995#(<= ULTIMATE.start_main_~i~4 8), 72994#(<= ULTIMATE.start_main_~i~4 7), 72997#(<= ULTIMATE.start_main_~i~4 10), 72996#(<= ULTIMATE.start_main_~i~4 9), 72999#(<= ULTIMATE.start_main_~i~4 12), 72998#(<= ULTIMATE.start_main_~i~4 11), 73001#(<= ULTIMATE.start_main_~i~4 14), 73000#(<= ULTIMATE.start_main_~i~4 13), 73003#(<= ULTIMATE.start_main_~i~4 16), 73002#(<= ULTIMATE.start_main_~i~4 15), 73005#(<= ULTIMATE.start_main_~i~4 18), 73004#(<= ULTIMATE.start_main_~i~4 17), 73007#(<= ULTIMATE.start_main_~i~4 20), 73006#(<= ULTIMATE.start_main_~i~4 19), 73009#(<= ULTIMATE.start_main_~i~4 22), 73008#(<= ULTIMATE.start_main_~i~4 21), 73011#(<= ULTIMATE.start_main_~i~4 24), 73010#(<= ULTIMATE.start_main_~i~4 23), 73013#(<= ULTIMATE.start_main_~i~4 26), 73012#(<= ULTIMATE.start_main_~i~4 25), 73015#(<= ULTIMATE.start_main_~i~4 28), 73014#(<= ULTIMATE.start_main_~i~4 27), 73017#(<= ULTIMATE.start_main_~i~4 30), 73016#(<= ULTIMATE.start_main_~i~4 29), 73019#(<= ULTIMATE.start_main_~i~4 32), 73018#(<= ULTIMATE.start_main_~i~4 31), 73021#(<= ULTIMATE.start_main_~i~4 34), 73020#(<= ULTIMATE.start_main_~i~4 33), 73023#(<= ULTIMATE.start_main_~i~4 36), 73022#(<= ULTIMATE.start_main_~i~4 35), 73025#(<= ULTIMATE.start_main_~i~4 38), 73024#(<= ULTIMATE.start_main_~i~4 37), 73027#(<= ULTIMATE.start_main_~i~4 40), 73026#(<= ULTIMATE.start_main_~i~4 39), 73029#(<= ULTIMATE.start_main_~i~4 42), 73028#(<= ULTIMATE.start_main_~i~4 41), 73031#(<= ULTIMATE.start_main_~i~4 44), 73030#(<= ULTIMATE.start_main_~i~4 43), 73033#(<= ULTIMATE.start_main_~i~4 46), 73032#(<= ULTIMATE.start_main_~i~4 45), 73035#(<= ULTIMATE.start_main_~i~4 48), 73034#(<= ULTIMATE.start_main_~i~4 47), 73037#(<= ULTIMATE.start_main_~i~4 50), 73036#(<= ULTIMATE.start_main_~i~4 49), 73039#(<= ULTIMATE.start_main_~i~4 52), 73038#(<= ULTIMATE.start_main_~i~4 51), 73041#(<= ULTIMATE.start_main_~i~4 54), 73040#(<= ULTIMATE.start_main_~i~4 53), 73043#(<= ULTIMATE.start_main_~i~4 56), 73042#(<= ULTIMATE.start_main_~i~4 55), 73045#(<= ULTIMATE.start_main_~i~4 58), 73044#(<= ULTIMATE.start_main_~i~4 57), 73047#(<= ULTIMATE.start_main_~i~4 60), 73046#(<= ULTIMATE.start_main_~i~4 59), 73049#(<= ULTIMATE.start_main_~i~4 62), 73048#(<= ULTIMATE.start_main_~i~4 61), 73051#(<= ULTIMATE.start_main_~i~4 64), 73050#(<= ULTIMATE.start_main_~i~4 63), 73053#(<= ULTIMATE.start_main_~i~4 66), 73052#(<= ULTIMATE.start_main_~i~4 65), 73055#(<= ULTIMATE.start_main_~i~4 68), 73054#(<= ULTIMATE.start_main_~i~4 67), 73057#(<= ULTIMATE.start_main_~i~4 70), 73056#(<= ULTIMATE.start_main_~i~4 69), 73059#(<= ULTIMATE.start_main_~i~4 72), 73058#(<= ULTIMATE.start_main_~i~4 71), 73061#(<= ULTIMATE.start_main_~i~4 74), 73060#(<= ULTIMATE.start_main_~i~4 73), 73063#(<= ULTIMATE.start_main_~i~4 76), 73062#(<= ULTIMATE.start_main_~i~4 75), 73065#(<= ULTIMATE.start_main_~i~4 78), 73064#(<= ULTIMATE.start_main_~i~4 77), 73067#(<= ULTIMATE.start_main_~i~4 80), 73066#(<= ULTIMATE.start_main_~i~4 79), 73069#(<= ULTIMATE.start_main_~i~4 82), 73068#(<= ULTIMATE.start_main_~i~4 81), 73071#(<= ULTIMATE.start_main_~i~4 84), 73070#(<= ULTIMATE.start_main_~i~4 83), 73073#(<= ULTIMATE.start_main_~i~4 86), 73072#(<= ULTIMATE.start_main_~i~4 85), 73075#(<= ULTIMATE.start_main_~i~4 88), 73074#(<= ULTIMATE.start_main_~i~4 87), 73077#(<= ULTIMATE.start_main_~i~4 90), 73076#(<= ULTIMATE.start_main_~i~4 89), 73079#(<= ULTIMATE.start_main_~i~4 92), 73078#(<= ULTIMATE.start_main_~i~4 91), 73081#(<= ULTIMATE.start_main_~i~4 94), 73080#(<= ULTIMATE.start_main_~i~4 93), 73083#(<= ULTIMATE.start_main_~i~4 96), 73082#(<= ULTIMATE.start_main_~i~4 95), 73085#(<= ULTIMATE.start_main_~i~4 98), 73084#(<= ULTIMATE.start_main_~i~4 97), 73087#(<= ULTIMATE.start_main_~i~4 100), 73086#(<= ULTIMATE.start_main_~i~4 99), 73089#(<= ULTIMATE.start_main_~i~4 102), 73088#(<= ULTIMATE.start_main_~i~4 101), 73091#(<= ULTIMATE.start_main_~i~4 104), 73090#(<= ULTIMATE.start_main_~i~4 103), 73093#(<= ULTIMATE.start_main_~i~4 106), 73092#(<= ULTIMATE.start_main_~i~4 105), 73095#(<= ULTIMATE.start_main_~i~4 108), 73094#(<= ULTIMATE.start_main_~i~4 107), 73097#(<= ULTIMATE.start_main_~i~4 110), 73096#(<= ULTIMATE.start_main_~i~4 109), 73099#(<= ULTIMATE.start_main_~i~4 112), 73098#(<= ULTIMATE.start_main_~i~4 111), 73101#(<= ULTIMATE.start_main_~i~4 114), 73100#(<= ULTIMATE.start_main_~i~4 113), 73103#(<= ULTIMATE.start_main_~i~4 116), 73102#(<= ULTIMATE.start_main_~i~4 115), 73105#(<= ULTIMATE.start_main_~i~4 118), 73104#(<= ULTIMATE.start_main_~i~4 117), 73107#(<= ULTIMATE.start_main_~i~4 120), 73106#(<= ULTIMATE.start_main_~i~4 119), 73109#(<= ULTIMATE.start_main_~i~4 122), 73108#(<= ULTIMATE.start_main_~i~4 121), 73111#(<= ULTIMATE.start_main_~i~4 124), 73110#(<= ULTIMATE.start_main_~i~4 123)] [2018-07-23 13:43:49,909 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 13:43:49,909 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:43:49,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:43:49,911 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:43:49,911 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 127 states. [2018-07-23 13:43:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:50,242 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:43:50,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:43:50,243 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 252 [2018-07-23 13:43:50,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:50,243 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:43:50,243 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:43:50,245 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:43:50,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:43:50,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:43:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:43:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:43:50,250 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 252 [2018-07-23 13:43:50,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:50,250 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:43:50,250 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:43:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:43:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:43:50,251 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:50,251 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1] [2018-07-23 13:43:50,252 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:50,252 INFO L82 PathProgramCache]: Analyzing trace with hash 670635161, now seen corresponding path program 125 times [2018-07-23 13:43:50,252 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:50,675 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 13:43:50,676 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:50,676 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:43:50,676 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:50,676 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 13:43:50,676 INFO L185 omatonBuilderFactory]: Interpolants [74241#(<= ULTIMATE.start_main_~i~4 103), 74240#(<= ULTIMATE.start_main_~i~4 102), 74243#(<= ULTIMATE.start_main_~i~4 105), 74242#(<= ULTIMATE.start_main_~i~4 104), 74245#(<= ULTIMATE.start_main_~i~4 107), 74244#(<= ULTIMATE.start_main_~i~4 106), 74247#(<= ULTIMATE.start_main_~i~4 109), 74246#(<= ULTIMATE.start_main_~i~4 108), 74249#(<= ULTIMATE.start_main_~i~4 111), 74248#(<= ULTIMATE.start_main_~i~4 110), 74251#(<= ULTIMATE.start_main_~i~4 113), 74250#(<= ULTIMATE.start_main_~i~4 112), 74253#(<= ULTIMATE.start_main_~i~4 115), 74252#(<= ULTIMATE.start_main_~i~4 114), 74255#(<= ULTIMATE.start_main_~i~4 117), 74254#(<= ULTIMATE.start_main_~i~4 116), 74257#(<= ULTIMATE.start_main_~i~4 119), 74256#(<= ULTIMATE.start_main_~i~4 118), 74259#(<= ULTIMATE.start_main_~i~4 121), 74258#(<= ULTIMATE.start_main_~i~4 120), 74261#(<= ULTIMATE.start_main_~i~4 123), 74260#(<= ULTIMATE.start_main_~i~4 122), 74263#(<= ULTIMATE.start_main_~i~4 125), 74262#(<= ULTIMATE.start_main_~i~4 124), 74137#false, 74136#true, 74139#(<= ULTIMATE.start_main_~i~4 1), 74138#(<= ULTIMATE.start_main_~i~4 0), 74141#(<= ULTIMATE.start_main_~i~4 3), 74140#(<= ULTIMATE.start_main_~i~4 2), 74143#(<= ULTIMATE.start_main_~i~4 5), 74142#(<= ULTIMATE.start_main_~i~4 4), 74145#(<= ULTIMATE.start_main_~i~4 7), 74144#(<= ULTIMATE.start_main_~i~4 6), 74147#(<= ULTIMATE.start_main_~i~4 9), 74146#(<= ULTIMATE.start_main_~i~4 8), 74149#(<= ULTIMATE.start_main_~i~4 11), 74148#(<= ULTIMATE.start_main_~i~4 10), 74151#(<= ULTIMATE.start_main_~i~4 13), 74150#(<= ULTIMATE.start_main_~i~4 12), 74153#(<= ULTIMATE.start_main_~i~4 15), 74152#(<= ULTIMATE.start_main_~i~4 14), 74155#(<= ULTIMATE.start_main_~i~4 17), 74154#(<= ULTIMATE.start_main_~i~4 16), 74157#(<= ULTIMATE.start_main_~i~4 19), 74156#(<= ULTIMATE.start_main_~i~4 18), 74159#(<= ULTIMATE.start_main_~i~4 21), 74158#(<= ULTIMATE.start_main_~i~4 20), 74161#(<= ULTIMATE.start_main_~i~4 23), 74160#(<= ULTIMATE.start_main_~i~4 22), 74163#(<= ULTIMATE.start_main_~i~4 25), 74162#(<= ULTIMATE.start_main_~i~4 24), 74165#(<= ULTIMATE.start_main_~i~4 27), 74164#(<= ULTIMATE.start_main_~i~4 26), 74167#(<= ULTIMATE.start_main_~i~4 29), 74166#(<= ULTIMATE.start_main_~i~4 28), 74169#(<= ULTIMATE.start_main_~i~4 31), 74168#(<= ULTIMATE.start_main_~i~4 30), 74171#(<= ULTIMATE.start_main_~i~4 33), 74170#(<= ULTIMATE.start_main_~i~4 32), 74173#(<= ULTIMATE.start_main_~i~4 35), 74172#(<= ULTIMATE.start_main_~i~4 34), 74175#(<= ULTIMATE.start_main_~i~4 37), 74174#(<= ULTIMATE.start_main_~i~4 36), 74177#(<= ULTIMATE.start_main_~i~4 39), 74176#(<= ULTIMATE.start_main_~i~4 38), 74179#(<= ULTIMATE.start_main_~i~4 41), 74178#(<= ULTIMATE.start_main_~i~4 40), 74181#(<= ULTIMATE.start_main_~i~4 43), 74180#(<= ULTIMATE.start_main_~i~4 42), 74183#(<= ULTIMATE.start_main_~i~4 45), 74182#(<= ULTIMATE.start_main_~i~4 44), 74185#(<= ULTIMATE.start_main_~i~4 47), 74184#(<= ULTIMATE.start_main_~i~4 46), 74187#(<= ULTIMATE.start_main_~i~4 49), 74186#(<= ULTIMATE.start_main_~i~4 48), 74189#(<= ULTIMATE.start_main_~i~4 51), 74188#(<= ULTIMATE.start_main_~i~4 50), 74191#(<= ULTIMATE.start_main_~i~4 53), 74190#(<= ULTIMATE.start_main_~i~4 52), 74193#(<= ULTIMATE.start_main_~i~4 55), 74192#(<= ULTIMATE.start_main_~i~4 54), 74195#(<= ULTIMATE.start_main_~i~4 57), 74194#(<= ULTIMATE.start_main_~i~4 56), 74197#(<= ULTIMATE.start_main_~i~4 59), 74196#(<= ULTIMATE.start_main_~i~4 58), 74199#(<= ULTIMATE.start_main_~i~4 61), 74198#(<= ULTIMATE.start_main_~i~4 60), 74201#(<= ULTIMATE.start_main_~i~4 63), 74200#(<= ULTIMATE.start_main_~i~4 62), 74203#(<= ULTIMATE.start_main_~i~4 65), 74202#(<= ULTIMATE.start_main_~i~4 64), 74205#(<= ULTIMATE.start_main_~i~4 67), 74204#(<= ULTIMATE.start_main_~i~4 66), 74207#(<= ULTIMATE.start_main_~i~4 69), 74206#(<= ULTIMATE.start_main_~i~4 68), 74209#(<= ULTIMATE.start_main_~i~4 71), 74208#(<= ULTIMATE.start_main_~i~4 70), 74211#(<= ULTIMATE.start_main_~i~4 73), 74210#(<= ULTIMATE.start_main_~i~4 72), 74213#(<= ULTIMATE.start_main_~i~4 75), 74212#(<= ULTIMATE.start_main_~i~4 74), 74215#(<= ULTIMATE.start_main_~i~4 77), 74214#(<= ULTIMATE.start_main_~i~4 76), 74217#(<= ULTIMATE.start_main_~i~4 79), 74216#(<= ULTIMATE.start_main_~i~4 78), 74219#(<= ULTIMATE.start_main_~i~4 81), 74218#(<= ULTIMATE.start_main_~i~4 80), 74221#(<= ULTIMATE.start_main_~i~4 83), 74220#(<= ULTIMATE.start_main_~i~4 82), 74223#(<= ULTIMATE.start_main_~i~4 85), 74222#(<= ULTIMATE.start_main_~i~4 84), 74225#(<= ULTIMATE.start_main_~i~4 87), 74224#(<= ULTIMATE.start_main_~i~4 86), 74227#(<= ULTIMATE.start_main_~i~4 89), 74226#(<= ULTIMATE.start_main_~i~4 88), 74229#(<= ULTIMATE.start_main_~i~4 91), 74228#(<= ULTIMATE.start_main_~i~4 90), 74231#(<= ULTIMATE.start_main_~i~4 93), 74230#(<= ULTIMATE.start_main_~i~4 92), 74233#(<= ULTIMATE.start_main_~i~4 95), 74232#(<= ULTIMATE.start_main_~i~4 94), 74235#(<= ULTIMATE.start_main_~i~4 97), 74234#(<= ULTIMATE.start_main_~i~4 96), 74237#(<= ULTIMATE.start_main_~i~4 99), 74236#(<= ULTIMATE.start_main_~i~4 98), 74239#(<= ULTIMATE.start_main_~i~4 101), 74238#(<= ULTIMATE.start_main_~i~4 100)] [2018-07-23 13:43:50,677 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 13:43:50,678 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:43:50,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:43:50,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:43:50,680 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 128 states. [2018-07-23 13:43:50,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:50,853 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:43:50,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:43:50,853 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 254 [2018-07-23 13:43:50,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:50,854 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:43:50,854 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:43:50,855 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:43:50,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:43:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:43:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:43:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:43:50,860 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 254 [2018-07-23 13:43:50,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:50,860 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:43:50,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:43:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:43:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:43:50,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:50,861 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1] [2018-07-23 13:43:50,862 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash 235347411, now seen corresponding path program 126 times [2018-07-23 13:43:50,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:51,279 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 13:43:51,279 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:51,279 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:43:51,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:51,280 INFO L185 omatonBuilderFactory]: Interpolants [75297#false, 75296#true, 75299#(<= ULTIMATE.start_main_~i~4 1), 75298#(<= ULTIMATE.start_main_~i~4 0), 75301#(<= ULTIMATE.start_main_~i~4 3), 75300#(<= ULTIMATE.start_main_~i~4 2), 75303#(<= ULTIMATE.start_main_~i~4 5), 75302#(<= ULTIMATE.start_main_~i~4 4), 75305#(<= ULTIMATE.start_main_~i~4 7), 75304#(<= ULTIMATE.start_main_~i~4 6), 75307#(<= ULTIMATE.start_main_~i~4 9), 75306#(<= ULTIMATE.start_main_~i~4 8), 75309#(<= ULTIMATE.start_main_~i~4 11), 75308#(<= ULTIMATE.start_main_~i~4 10), 75311#(<= ULTIMATE.start_main_~i~4 13), 75310#(<= ULTIMATE.start_main_~i~4 12), 75313#(<= ULTIMATE.start_main_~i~4 15), 75312#(<= ULTIMATE.start_main_~i~4 14), 75315#(<= ULTIMATE.start_main_~i~4 17), 75314#(<= ULTIMATE.start_main_~i~4 16), 75317#(<= ULTIMATE.start_main_~i~4 19), 75316#(<= ULTIMATE.start_main_~i~4 18), 75319#(<= ULTIMATE.start_main_~i~4 21), 75318#(<= ULTIMATE.start_main_~i~4 20), 75321#(<= ULTIMATE.start_main_~i~4 23), 75320#(<= ULTIMATE.start_main_~i~4 22), 75323#(<= ULTIMATE.start_main_~i~4 25), 75322#(<= ULTIMATE.start_main_~i~4 24), 75325#(<= ULTIMATE.start_main_~i~4 27), 75324#(<= ULTIMATE.start_main_~i~4 26), 75327#(<= ULTIMATE.start_main_~i~4 29), 75326#(<= ULTIMATE.start_main_~i~4 28), 75329#(<= ULTIMATE.start_main_~i~4 31), 75328#(<= ULTIMATE.start_main_~i~4 30), 75331#(<= ULTIMATE.start_main_~i~4 33), 75330#(<= ULTIMATE.start_main_~i~4 32), 75333#(<= ULTIMATE.start_main_~i~4 35), 75332#(<= ULTIMATE.start_main_~i~4 34), 75335#(<= ULTIMATE.start_main_~i~4 37), 75334#(<= ULTIMATE.start_main_~i~4 36), 75337#(<= ULTIMATE.start_main_~i~4 39), 75336#(<= ULTIMATE.start_main_~i~4 38), 75339#(<= ULTIMATE.start_main_~i~4 41), 75338#(<= ULTIMATE.start_main_~i~4 40), 75341#(<= ULTIMATE.start_main_~i~4 43), 75340#(<= ULTIMATE.start_main_~i~4 42), 75343#(<= ULTIMATE.start_main_~i~4 45), 75342#(<= ULTIMATE.start_main_~i~4 44), 75345#(<= ULTIMATE.start_main_~i~4 47), 75344#(<= ULTIMATE.start_main_~i~4 46), 75347#(<= ULTIMATE.start_main_~i~4 49), 75346#(<= ULTIMATE.start_main_~i~4 48), 75349#(<= ULTIMATE.start_main_~i~4 51), 75348#(<= ULTIMATE.start_main_~i~4 50), 75351#(<= ULTIMATE.start_main_~i~4 53), 75350#(<= ULTIMATE.start_main_~i~4 52), 75353#(<= ULTIMATE.start_main_~i~4 55), 75352#(<= ULTIMATE.start_main_~i~4 54), 75355#(<= ULTIMATE.start_main_~i~4 57), 75354#(<= ULTIMATE.start_main_~i~4 56), 75357#(<= ULTIMATE.start_main_~i~4 59), 75356#(<= ULTIMATE.start_main_~i~4 58), 75359#(<= ULTIMATE.start_main_~i~4 61), 75358#(<= ULTIMATE.start_main_~i~4 60), 75361#(<= ULTIMATE.start_main_~i~4 63), 75360#(<= ULTIMATE.start_main_~i~4 62), 75363#(<= ULTIMATE.start_main_~i~4 65), 75362#(<= ULTIMATE.start_main_~i~4 64), 75365#(<= ULTIMATE.start_main_~i~4 67), 75364#(<= ULTIMATE.start_main_~i~4 66), 75367#(<= ULTIMATE.start_main_~i~4 69), 75366#(<= ULTIMATE.start_main_~i~4 68), 75369#(<= ULTIMATE.start_main_~i~4 71), 75368#(<= ULTIMATE.start_main_~i~4 70), 75371#(<= ULTIMATE.start_main_~i~4 73), 75370#(<= ULTIMATE.start_main_~i~4 72), 75373#(<= ULTIMATE.start_main_~i~4 75), 75372#(<= ULTIMATE.start_main_~i~4 74), 75375#(<= ULTIMATE.start_main_~i~4 77), 75374#(<= ULTIMATE.start_main_~i~4 76), 75377#(<= ULTIMATE.start_main_~i~4 79), 75376#(<= ULTIMATE.start_main_~i~4 78), 75379#(<= ULTIMATE.start_main_~i~4 81), 75378#(<= ULTIMATE.start_main_~i~4 80), 75381#(<= ULTIMATE.start_main_~i~4 83), 75380#(<= ULTIMATE.start_main_~i~4 82), 75383#(<= ULTIMATE.start_main_~i~4 85), 75382#(<= ULTIMATE.start_main_~i~4 84), 75385#(<= ULTIMATE.start_main_~i~4 87), 75384#(<= ULTIMATE.start_main_~i~4 86), 75387#(<= ULTIMATE.start_main_~i~4 89), 75386#(<= ULTIMATE.start_main_~i~4 88), 75389#(<= ULTIMATE.start_main_~i~4 91), 75388#(<= ULTIMATE.start_main_~i~4 90), 75391#(<= ULTIMATE.start_main_~i~4 93), 75390#(<= ULTIMATE.start_main_~i~4 92), 75393#(<= ULTIMATE.start_main_~i~4 95), 75392#(<= ULTIMATE.start_main_~i~4 94), 75395#(<= ULTIMATE.start_main_~i~4 97), 75394#(<= ULTIMATE.start_main_~i~4 96), 75397#(<= ULTIMATE.start_main_~i~4 99), 75396#(<= ULTIMATE.start_main_~i~4 98), 75399#(<= ULTIMATE.start_main_~i~4 101), 75398#(<= ULTIMATE.start_main_~i~4 100), 75401#(<= ULTIMATE.start_main_~i~4 103), 75400#(<= ULTIMATE.start_main_~i~4 102), 75403#(<= ULTIMATE.start_main_~i~4 105), 75402#(<= ULTIMATE.start_main_~i~4 104), 75405#(<= ULTIMATE.start_main_~i~4 107), 75404#(<= ULTIMATE.start_main_~i~4 106), 75407#(<= ULTIMATE.start_main_~i~4 109), 75406#(<= ULTIMATE.start_main_~i~4 108), 75409#(<= ULTIMATE.start_main_~i~4 111), 75408#(<= ULTIMATE.start_main_~i~4 110), 75411#(<= ULTIMATE.start_main_~i~4 113), 75410#(<= ULTIMATE.start_main_~i~4 112), 75413#(<= ULTIMATE.start_main_~i~4 115), 75412#(<= ULTIMATE.start_main_~i~4 114), 75415#(<= ULTIMATE.start_main_~i~4 117), 75414#(<= ULTIMATE.start_main_~i~4 116), 75417#(<= ULTIMATE.start_main_~i~4 119), 75416#(<= ULTIMATE.start_main_~i~4 118), 75419#(<= ULTIMATE.start_main_~i~4 121), 75418#(<= ULTIMATE.start_main_~i~4 120), 75421#(<= ULTIMATE.start_main_~i~4 123), 75420#(<= ULTIMATE.start_main_~i~4 122), 75423#(<= ULTIMATE.start_main_~i~4 125), 75422#(<= ULTIMATE.start_main_~i~4 124), 75424#(<= ULTIMATE.start_main_~i~4 126)] [2018-07-23 13:43:51,281 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 13:43:51,282 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:43:51,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:43:51,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:43:51,285 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 129 states. [2018-07-23 13:43:51,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:51,609 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:43:51,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:43:51,609 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 256 [2018-07-23 13:43:51,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:51,610 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:43:51,610 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:43:51,611 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:43:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:43:51,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:43:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:43:51,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:43:51,615 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 256 [2018-07-23 13:43:51,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:51,615 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:43:51,615 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:43:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:43:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:43:51,616 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:51,616 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1] [2018-07-23 13:43:51,616 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:51,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1464352627, now seen corresponding path program 127 times [2018-07-23 13:43:51,617 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:52,276 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 13:43:52,277 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:52,277 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:43:52,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:52,279 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= ULTIMATE.start_main_~i~4 78), 76544#(<= ULTIMATE.start_main_~i~4 77), 76547#(<= ULTIMATE.start_main_~i~4 80), 76546#(<= ULTIMATE.start_main_~i~4 79), 76549#(<= ULTIMATE.start_main_~i~4 82), 76548#(<= ULTIMATE.start_main_~i~4 81), 76551#(<= ULTIMATE.start_main_~i~4 84), 76550#(<= ULTIMATE.start_main_~i~4 83), 76553#(<= ULTIMATE.start_main_~i~4 86), 76552#(<= ULTIMATE.start_main_~i~4 85), 76555#(<= ULTIMATE.start_main_~i~4 88), 76554#(<= ULTIMATE.start_main_~i~4 87), 76557#(<= ULTIMATE.start_main_~i~4 90), 76556#(<= ULTIMATE.start_main_~i~4 89), 76559#(<= ULTIMATE.start_main_~i~4 92), 76558#(<= ULTIMATE.start_main_~i~4 91), 76561#(<= ULTIMATE.start_main_~i~4 94), 76560#(<= ULTIMATE.start_main_~i~4 93), 76563#(<= ULTIMATE.start_main_~i~4 96), 76562#(<= ULTIMATE.start_main_~i~4 95), 76565#(<= ULTIMATE.start_main_~i~4 98), 76564#(<= ULTIMATE.start_main_~i~4 97), 76567#(<= ULTIMATE.start_main_~i~4 100), 76566#(<= ULTIMATE.start_main_~i~4 99), 76569#(<= ULTIMATE.start_main_~i~4 102), 76568#(<= ULTIMATE.start_main_~i~4 101), 76571#(<= ULTIMATE.start_main_~i~4 104), 76570#(<= ULTIMATE.start_main_~i~4 103), 76573#(<= ULTIMATE.start_main_~i~4 106), 76572#(<= ULTIMATE.start_main_~i~4 105), 76575#(<= ULTIMATE.start_main_~i~4 108), 76574#(<= ULTIMATE.start_main_~i~4 107), 76577#(<= ULTIMATE.start_main_~i~4 110), 76576#(<= ULTIMATE.start_main_~i~4 109), 76579#(<= ULTIMATE.start_main_~i~4 112), 76578#(<= ULTIMATE.start_main_~i~4 111), 76581#(<= ULTIMATE.start_main_~i~4 114), 76580#(<= ULTIMATE.start_main_~i~4 113), 76583#(<= ULTIMATE.start_main_~i~4 116), 76582#(<= ULTIMATE.start_main_~i~4 115), 76585#(<= ULTIMATE.start_main_~i~4 118), 76584#(<= ULTIMATE.start_main_~i~4 117), 76587#(<= ULTIMATE.start_main_~i~4 120), 76586#(<= ULTIMATE.start_main_~i~4 119), 76589#(<= ULTIMATE.start_main_~i~4 122), 76588#(<= ULTIMATE.start_main_~i~4 121), 76591#(<= ULTIMATE.start_main_~i~4 124), 76590#(<= ULTIMATE.start_main_~i~4 123), 76593#(<= ULTIMATE.start_main_~i~4 126), 76592#(<= ULTIMATE.start_main_~i~4 125), 76594#(<= ULTIMATE.start_main_~i~4 127), 76465#true, 76467#(<= ULTIMATE.start_main_~i~4 0), 76466#false, 76469#(<= ULTIMATE.start_main_~i~4 2), 76468#(<= ULTIMATE.start_main_~i~4 1), 76471#(<= ULTIMATE.start_main_~i~4 4), 76470#(<= ULTIMATE.start_main_~i~4 3), 76473#(<= ULTIMATE.start_main_~i~4 6), 76472#(<= ULTIMATE.start_main_~i~4 5), 76475#(<= ULTIMATE.start_main_~i~4 8), 76474#(<= ULTIMATE.start_main_~i~4 7), 76477#(<= ULTIMATE.start_main_~i~4 10), 76476#(<= ULTIMATE.start_main_~i~4 9), 76479#(<= ULTIMATE.start_main_~i~4 12), 76478#(<= ULTIMATE.start_main_~i~4 11), 76481#(<= ULTIMATE.start_main_~i~4 14), 76480#(<= ULTIMATE.start_main_~i~4 13), 76483#(<= ULTIMATE.start_main_~i~4 16), 76482#(<= ULTIMATE.start_main_~i~4 15), 76485#(<= ULTIMATE.start_main_~i~4 18), 76484#(<= ULTIMATE.start_main_~i~4 17), 76487#(<= ULTIMATE.start_main_~i~4 20), 76486#(<= ULTIMATE.start_main_~i~4 19), 76489#(<= ULTIMATE.start_main_~i~4 22), 76488#(<= ULTIMATE.start_main_~i~4 21), 76491#(<= ULTIMATE.start_main_~i~4 24), 76490#(<= ULTIMATE.start_main_~i~4 23), 76493#(<= ULTIMATE.start_main_~i~4 26), 76492#(<= ULTIMATE.start_main_~i~4 25), 76495#(<= ULTIMATE.start_main_~i~4 28), 76494#(<= ULTIMATE.start_main_~i~4 27), 76497#(<= ULTIMATE.start_main_~i~4 30), 76496#(<= ULTIMATE.start_main_~i~4 29), 76499#(<= ULTIMATE.start_main_~i~4 32), 76498#(<= ULTIMATE.start_main_~i~4 31), 76501#(<= ULTIMATE.start_main_~i~4 34), 76500#(<= ULTIMATE.start_main_~i~4 33), 76503#(<= ULTIMATE.start_main_~i~4 36), 76502#(<= ULTIMATE.start_main_~i~4 35), 76505#(<= ULTIMATE.start_main_~i~4 38), 76504#(<= ULTIMATE.start_main_~i~4 37), 76507#(<= ULTIMATE.start_main_~i~4 40), 76506#(<= ULTIMATE.start_main_~i~4 39), 76509#(<= ULTIMATE.start_main_~i~4 42), 76508#(<= ULTIMATE.start_main_~i~4 41), 76511#(<= ULTIMATE.start_main_~i~4 44), 76510#(<= ULTIMATE.start_main_~i~4 43), 76513#(<= ULTIMATE.start_main_~i~4 46), 76512#(<= ULTIMATE.start_main_~i~4 45), 76515#(<= ULTIMATE.start_main_~i~4 48), 76514#(<= ULTIMATE.start_main_~i~4 47), 76517#(<= ULTIMATE.start_main_~i~4 50), 76516#(<= ULTIMATE.start_main_~i~4 49), 76519#(<= ULTIMATE.start_main_~i~4 52), 76518#(<= ULTIMATE.start_main_~i~4 51), 76521#(<= ULTIMATE.start_main_~i~4 54), 76520#(<= ULTIMATE.start_main_~i~4 53), 76523#(<= ULTIMATE.start_main_~i~4 56), 76522#(<= ULTIMATE.start_main_~i~4 55), 76525#(<= ULTIMATE.start_main_~i~4 58), 76524#(<= ULTIMATE.start_main_~i~4 57), 76527#(<= ULTIMATE.start_main_~i~4 60), 76526#(<= ULTIMATE.start_main_~i~4 59), 76529#(<= ULTIMATE.start_main_~i~4 62), 76528#(<= ULTIMATE.start_main_~i~4 61), 76531#(<= ULTIMATE.start_main_~i~4 64), 76530#(<= ULTIMATE.start_main_~i~4 63), 76533#(<= ULTIMATE.start_main_~i~4 66), 76532#(<= ULTIMATE.start_main_~i~4 65), 76535#(<= ULTIMATE.start_main_~i~4 68), 76534#(<= ULTIMATE.start_main_~i~4 67), 76537#(<= ULTIMATE.start_main_~i~4 70), 76536#(<= ULTIMATE.start_main_~i~4 69), 76539#(<= ULTIMATE.start_main_~i~4 72), 76538#(<= ULTIMATE.start_main_~i~4 71), 76541#(<= ULTIMATE.start_main_~i~4 74), 76540#(<= ULTIMATE.start_main_~i~4 73), 76543#(<= ULTIMATE.start_main_~i~4 76), 76542#(<= ULTIMATE.start_main_~i~4 75)] [2018-07-23 13:43:52,286 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 13:43:52,287 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:43:52,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:43:52,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:43:52,291 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 130 states. [2018-07-23 13:43:52,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:52,463 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:43:52,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:43:52,464 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 258 [2018-07-23 13:43:52,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:52,465 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:43:52,465 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:43:52,466 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:43:52,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:43:52,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:43:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:43:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:43:52,470 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 258 [2018-07-23 13:43:52,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:52,470 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:43:52,471 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:43:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:43:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:43:52,472 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:52,472 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1] [2018-07-23 13:43:52,472 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:52,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1506450631, now seen corresponding path program 128 times [2018-07-23 13:43:52,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:53,044 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 13:43:53,045 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:53,045 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:43:53,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:53,046 INFO L185 omatonBuilderFactory]: Interpolants [77643#true, 77645#(<= ULTIMATE.start_main_~i~4 0), 77644#false, 77647#(<= ULTIMATE.start_main_~i~4 2), 77646#(<= ULTIMATE.start_main_~i~4 1), 77649#(<= ULTIMATE.start_main_~i~4 4), 77648#(<= ULTIMATE.start_main_~i~4 3), 77651#(<= ULTIMATE.start_main_~i~4 6), 77650#(<= ULTIMATE.start_main_~i~4 5), 77653#(<= ULTIMATE.start_main_~i~4 8), 77652#(<= ULTIMATE.start_main_~i~4 7), 77655#(<= ULTIMATE.start_main_~i~4 10), 77654#(<= ULTIMATE.start_main_~i~4 9), 77657#(<= ULTIMATE.start_main_~i~4 12), 77656#(<= ULTIMATE.start_main_~i~4 11), 77659#(<= ULTIMATE.start_main_~i~4 14), 77658#(<= ULTIMATE.start_main_~i~4 13), 77661#(<= ULTIMATE.start_main_~i~4 16), 77660#(<= ULTIMATE.start_main_~i~4 15), 77663#(<= ULTIMATE.start_main_~i~4 18), 77662#(<= ULTIMATE.start_main_~i~4 17), 77665#(<= ULTIMATE.start_main_~i~4 20), 77664#(<= ULTIMATE.start_main_~i~4 19), 77667#(<= ULTIMATE.start_main_~i~4 22), 77666#(<= ULTIMATE.start_main_~i~4 21), 77669#(<= ULTIMATE.start_main_~i~4 24), 77668#(<= ULTIMATE.start_main_~i~4 23), 77671#(<= ULTIMATE.start_main_~i~4 26), 77670#(<= ULTIMATE.start_main_~i~4 25), 77673#(<= ULTIMATE.start_main_~i~4 28), 77672#(<= ULTIMATE.start_main_~i~4 27), 77675#(<= ULTIMATE.start_main_~i~4 30), 77674#(<= ULTIMATE.start_main_~i~4 29), 77677#(<= ULTIMATE.start_main_~i~4 32), 77676#(<= ULTIMATE.start_main_~i~4 31), 77679#(<= ULTIMATE.start_main_~i~4 34), 77678#(<= ULTIMATE.start_main_~i~4 33), 77681#(<= ULTIMATE.start_main_~i~4 36), 77680#(<= ULTIMATE.start_main_~i~4 35), 77683#(<= ULTIMATE.start_main_~i~4 38), 77682#(<= ULTIMATE.start_main_~i~4 37), 77685#(<= ULTIMATE.start_main_~i~4 40), 77684#(<= ULTIMATE.start_main_~i~4 39), 77687#(<= ULTIMATE.start_main_~i~4 42), 77686#(<= ULTIMATE.start_main_~i~4 41), 77689#(<= ULTIMATE.start_main_~i~4 44), 77688#(<= ULTIMATE.start_main_~i~4 43), 77691#(<= ULTIMATE.start_main_~i~4 46), 77690#(<= ULTIMATE.start_main_~i~4 45), 77693#(<= ULTIMATE.start_main_~i~4 48), 77692#(<= ULTIMATE.start_main_~i~4 47), 77695#(<= ULTIMATE.start_main_~i~4 50), 77694#(<= ULTIMATE.start_main_~i~4 49), 77697#(<= ULTIMATE.start_main_~i~4 52), 77696#(<= ULTIMATE.start_main_~i~4 51), 77699#(<= ULTIMATE.start_main_~i~4 54), 77698#(<= ULTIMATE.start_main_~i~4 53), 77701#(<= ULTIMATE.start_main_~i~4 56), 77700#(<= ULTIMATE.start_main_~i~4 55), 77703#(<= ULTIMATE.start_main_~i~4 58), 77702#(<= ULTIMATE.start_main_~i~4 57), 77705#(<= ULTIMATE.start_main_~i~4 60), 77704#(<= ULTIMATE.start_main_~i~4 59), 77707#(<= ULTIMATE.start_main_~i~4 62), 77706#(<= ULTIMATE.start_main_~i~4 61), 77709#(<= ULTIMATE.start_main_~i~4 64), 77708#(<= ULTIMATE.start_main_~i~4 63), 77711#(<= ULTIMATE.start_main_~i~4 66), 77710#(<= ULTIMATE.start_main_~i~4 65), 77713#(<= ULTIMATE.start_main_~i~4 68), 77712#(<= ULTIMATE.start_main_~i~4 67), 77715#(<= ULTIMATE.start_main_~i~4 70), 77714#(<= ULTIMATE.start_main_~i~4 69), 77717#(<= ULTIMATE.start_main_~i~4 72), 77716#(<= ULTIMATE.start_main_~i~4 71), 77719#(<= ULTIMATE.start_main_~i~4 74), 77718#(<= ULTIMATE.start_main_~i~4 73), 77721#(<= ULTIMATE.start_main_~i~4 76), 77720#(<= ULTIMATE.start_main_~i~4 75), 77723#(<= ULTIMATE.start_main_~i~4 78), 77722#(<= ULTIMATE.start_main_~i~4 77), 77725#(<= ULTIMATE.start_main_~i~4 80), 77724#(<= ULTIMATE.start_main_~i~4 79), 77727#(<= ULTIMATE.start_main_~i~4 82), 77726#(<= ULTIMATE.start_main_~i~4 81), 77729#(<= ULTIMATE.start_main_~i~4 84), 77728#(<= ULTIMATE.start_main_~i~4 83), 77731#(<= ULTIMATE.start_main_~i~4 86), 77730#(<= ULTIMATE.start_main_~i~4 85), 77733#(<= ULTIMATE.start_main_~i~4 88), 77732#(<= ULTIMATE.start_main_~i~4 87), 77735#(<= ULTIMATE.start_main_~i~4 90), 77734#(<= ULTIMATE.start_main_~i~4 89), 77737#(<= ULTIMATE.start_main_~i~4 92), 77736#(<= ULTIMATE.start_main_~i~4 91), 77739#(<= ULTIMATE.start_main_~i~4 94), 77738#(<= ULTIMATE.start_main_~i~4 93), 77741#(<= ULTIMATE.start_main_~i~4 96), 77740#(<= ULTIMATE.start_main_~i~4 95), 77743#(<= ULTIMATE.start_main_~i~4 98), 77742#(<= ULTIMATE.start_main_~i~4 97), 77745#(<= ULTIMATE.start_main_~i~4 100), 77744#(<= ULTIMATE.start_main_~i~4 99), 77747#(<= ULTIMATE.start_main_~i~4 102), 77746#(<= ULTIMATE.start_main_~i~4 101), 77749#(<= ULTIMATE.start_main_~i~4 104), 77748#(<= ULTIMATE.start_main_~i~4 103), 77751#(<= ULTIMATE.start_main_~i~4 106), 77750#(<= ULTIMATE.start_main_~i~4 105), 77753#(<= ULTIMATE.start_main_~i~4 108), 77752#(<= ULTIMATE.start_main_~i~4 107), 77755#(<= ULTIMATE.start_main_~i~4 110), 77754#(<= ULTIMATE.start_main_~i~4 109), 77757#(<= ULTIMATE.start_main_~i~4 112), 77756#(<= ULTIMATE.start_main_~i~4 111), 77759#(<= ULTIMATE.start_main_~i~4 114), 77758#(<= ULTIMATE.start_main_~i~4 113), 77761#(<= ULTIMATE.start_main_~i~4 116), 77760#(<= ULTIMATE.start_main_~i~4 115), 77763#(<= ULTIMATE.start_main_~i~4 118), 77762#(<= ULTIMATE.start_main_~i~4 117), 77765#(<= ULTIMATE.start_main_~i~4 120), 77764#(<= ULTIMATE.start_main_~i~4 119), 77767#(<= ULTIMATE.start_main_~i~4 122), 77766#(<= ULTIMATE.start_main_~i~4 121), 77769#(<= ULTIMATE.start_main_~i~4 124), 77768#(<= ULTIMATE.start_main_~i~4 123), 77771#(<= ULTIMATE.start_main_~i~4 126), 77770#(<= ULTIMATE.start_main_~i~4 125), 77773#(<= ULTIMATE.start_main_~i~4 128), 77772#(<= ULTIMATE.start_main_~i~4 127)] [2018-07-23 13:43:53,046 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 13:43:53,047 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:43:53,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:43:53,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:43:53,048 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 131 states. [2018-07-23 13:43:53,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:53,321 INFO L93 Difference]: Finished difference Result 265 states and 265 transitions. [2018-07-23 13:43:53,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:43:53,321 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 260 [2018-07-23 13:43:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:53,321 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:43:53,322 INFO L226 Difference]: Without dead ends: 263 [2018-07-23 13:43:53,322 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:43:53,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-07-23 13:43:53,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-07-23 13:43:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:43:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-07-23 13:43:53,325 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 263 transitions. Word has length 260 [2018-07-23 13:43:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:53,326 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 263 transitions. [2018-07-23 13:43:53,326 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:43:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-07-23 13:43:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:43:53,326 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:53,326 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1] [2018-07-23 13:43:53,327 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:53,327 INFO L82 PathProgramCache]: Analyzing trace with hash 295129729, now seen corresponding path program 129 times [2018-07-23 13:43:53,327 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:53,816 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 13:43:53,817 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:53,817 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:43:53,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:53,818 INFO L185 omatonBuilderFactory]: Interpolants [78849#(<= ULTIMATE.start_main_~i~4 17), 78848#(<= ULTIMATE.start_main_~i~4 16), 78851#(<= ULTIMATE.start_main_~i~4 19), 78850#(<= ULTIMATE.start_main_~i~4 18), 78853#(<= ULTIMATE.start_main_~i~4 21), 78852#(<= ULTIMATE.start_main_~i~4 20), 78855#(<= ULTIMATE.start_main_~i~4 23), 78854#(<= ULTIMATE.start_main_~i~4 22), 78857#(<= ULTIMATE.start_main_~i~4 25), 78856#(<= ULTIMATE.start_main_~i~4 24), 78859#(<= ULTIMATE.start_main_~i~4 27), 78858#(<= ULTIMATE.start_main_~i~4 26), 78861#(<= ULTIMATE.start_main_~i~4 29), 78860#(<= ULTIMATE.start_main_~i~4 28), 78863#(<= ULTIMATE.start_main_~i~4 31), 78862#(<= ULTIMATE.start_main_~i~4 30), 78865#(<= ULTIMATE.start_main_~i~4 33), 78864#(<= ULTIMATE.start_main_~i~4 32), 78867#(<= ULTIMATE.start_main_~i~4 35), 78866#(<= ULTIMATE.start_main_~i~4 34), 78869#(<= ULTIMATE.start_main_~i~4 37), 78868#(<= ULTIMATE.start_main_~i~4 36), 78871#(<= ULTIMATE.start_main_~i~4 39), 78870#(<= ULTIMATE.start_main_~i~4 38), 78873#(<= ULTIMATE.start_main_~i~4 41), 78872#(<= ULTIMATE.start_main_~i~4 40), 78875#(<= ULTIMATE.start_main_~i~4 43), 78874#(<= ULTIMATE.start_main_~i~4 42), 78877#(<= ULTIMATE.start_main_~i~4 45), 78876#(<= ULTIMATE.start_main_~i~4 44), 78879#(<= ULTIMATE.start_main_~i~4 47), 78878#(<= ULTIMATE.start_main_~i~4 46), 78881#(<= ULTIMATE.start_main_~i~4 49), 78880#(<= ULTIMATE.start_main_~i~4 48), 78883#(<= ULTIMATE.start_main_~i~4 51), 78882#(<= ULTIMATE.start_main_~i~4 50), 78885#(<= ULTIMATE.start_main_~i~4 53), 78884#(<= ULTIMATE.start_main_~i~4 52), 78887#(<= ULTIMATE.start_main_~i~4 55), 78886#(<= ULTIMATE.start_main_~i~4 54), 78889#(<= ULTIMATE.start_main_~i~4 57), 78888#(<= ULTIMATE.start_main_~i~4 56), 78891#(<= ULTIMATE.start_main_~i~4 59), 78890#(<= ULTIMATE.start_main_~i~4 58), 78893#(<= ULTIMATE.start_main_~i~4 61), 78892#(<= ULTIMATE.start_main_~i~4 60), 78895#(<= ULTIMATE.start_main_~i~4 63), 78894#(<= ULTIMATE.start_main_~i~4 62), 78897#(<= ULTIMATE.start_main_~i~4 65), 78896#(<= ULTIMATE.start_main_~i~4 64), 78899#(<= ULTIMATE.start_main_~i~4 67), 78898#(<= ULTIMATE.start_main_~i~4 66), 78901#(<= ULTIMATE.start_main_~i~4 69), 78900#(<= ULTIMATE.start_main_~i~4 68), 78903#(<= ULTIMATE.start_main_~i~4 71), 78902#(<= ULTIMATE.start_main_~i~4 70), 78905#(<= ULTIMATE.start_main_~i~4 73), 78904#(<= ULTIMATE.start_main_~i~4 72), 78907#(<= ULTIMATE.start_main_~i~4 75), 78906#(<= ULTIMATE.start_main_~i~4 74), 78909#(<= ULTIMATE.start_main_~i~4 77), 78908#(<= ULTIMATE.start_main_~i~4 76), 78911#(<= ULTIMATE.start_main_~i~4 79), 78910#(<= ULTIMATE.start_main_~i~4 78), 78913#(<= ULTIMATE.start_main_~i~4 81), 78912#(<= ULTIMATE.start_main_~i~4 80), 78915#(<= ULTIMATE.start_main_~i~4 83), 78914#(<= ULTIMATE.start_main_~i~4 82), 78917#(<= ULTIMATE.start_main_~i~4 85), 78916#(<= ULTIMATE.start_main_~i~4 84), 78919#(<= ULTIMATE.start_main_~i~4 87), 78918#(<= ULTIMATE.start_main_~i~4 86), 78921#(<= ULTIMATE.start_main_~i~4 89), 78920#(<= ULTIMATE.start_main_~i~4 88), 78923#(<= ULTIMATE.start_main_~i~4 91), 78922#(<= ULTIMATE.start_main_~i~4 90), 78925#(<= ULTIMATE.start_main_~i~4 93), 78924#(<= ULTIMATE.start_main_~i~4 92), 78927#(<= ULTIMATE.start_main_~i~4 95), 78926#(<= ULTIMATE.start_main_~i~4 94), 78929#(<= ULTIMATE.start_main_~i~4 97), 78928#(<= ULTIMATE.start_main_~i~4 96), 78931#(<= ULTIMATE.start_main_~i~4 99), 78930#(<= ULTIMATE.start_main_~i~4 98), 78933#(<= ULTIMATE.start_main_~i~4 101), 78932#(<= ULTIMATE.start_main_~i~4 100), 78935#(<= ULTIMATE.start_main_~i~4 103), 78934#(<= ULTIMATE.start_main_~i~4 102), 78937#(<= ULTIMATE.start_main_~i~4 105), 78936#(<= ULTIMATE.start_main_~i~4 104), 78939#(<= ULTIMATE.start_main_~i~4 107), 78938#(<= ULTIMATE.start_main_~i~4 106), 78941#(<= ULTIMATE.start_main_~i~4 109), 78940#(<= ULTIMATE.start_main_~i~4 108), 78943#(<= ULTIMATE.start_main_~i~4 111), 78942#(<= ULTIMATE.start_main_~i~4 110), 78945#(<= ULTIMATE.start_main_~i~4 113), 78944#(<= ULTIMATE.start_main_~i~4 112), 78947#(<= ULTIMATE.start_main_~i~4 115), 78946#(<= ULTIMATE.start_main_~i~4 114), 78949#(<= ULTIMATE.start_main_~i~4 117), 78948#(<= ULTIMATE.start_main_~i~4 116), 78951#(<= ULTIMATE.start_main_~i~4 119), 78950#(<= ULTIMATE.start_main_~i~4 118), 78953#(<= ULTIMATE.start_main_~i~4 121), 78952#(<= ULTIMATE.start_main_~i~4 120), 78955#(<= ULTIMATE.start_main_~i~4 123), 78954#(<= ULTIMATE.start_main_~i~4 122), 78957#(<= ULTIMATE.start_main_~i~4 125), 78956#(<= ULTIMATE.start_main_~i~4 124), 78959#(<= ULTIMATE.start_main_~i~4 127), 78958#(<= ULTIMATE.start_main_~i~4 126), 78961#(<= ULTIMATE.start_main_~i~4 129), 78960#(<= ULTIMATE.start_main_~i~4 128), 78831#false, 78830#true, 78833#(<= ULTIMATE.start_main_~i~4 1), 78832#(<= ULTIMATE.start_main_~i~4 0), 78835#(<= ULTIMATE.start_main_~i~4 3), 78834#(<= ULTIMATE.start_main_~i~4 2), 78837#(<= ULTIMATE.start_main_~i~4 5), 78836#(<= ULTIMATE.start_main_~i~4 4), 78839#(<= ULTIMATE.start_main_~i~4 7), 78838#(<= ULTIMATE.start_main_~i~4 6), 78841#(<= ULTIMATE.start_main_~i~4 9), 78840#(<= ULTIMATE.start_main_~i~4 8), 78843#(<= ULTIMATE.start_main_~i~4 11), 78842#(<= ULTIMATE.start_main_~i~4 10), 78845#(<= ULTIMATE.start_main_~i~4 13), 78844#(<= ULTIMATE.start_main_~i~4 12), 78847#(<= ULTIMATE.start_main_~i~4 15), 78846#(<= ULTIMATE.start_main_~i~4 14)] [2018-07-23 13:43:53,819 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 13:43:53,819 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:43:53,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:43:53,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:43:53,821 INFO L87 Difference]: Start difference. First operand 263 states and 263 transitions. Second operand 132 states. [2018-07-23 13:43:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:54,211 INFO L93 Difference]: Finished difference Result 267 states and 267 transitions. [2018-07-23 13:43:54,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:43:54,211 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 262 [2018-07-23 13:43:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:54,212 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:43:54,212 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:43:54,213 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:43:54,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:43:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:43:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:43:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 265 transitions. [2018-07-23 13:43:54,218 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 265 transitions. Word has length 262 [2018-07-23 13:43:54,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:54,218 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 265 transitions. [2018-07-23 13:43:54,218 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:43:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 265 transitions. [2018-07-23 13:43:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:43:54,219 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:54,219 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1] [2018-07-23 13:43:54,220 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:54,220 INFO L82 PathProgramCache]: Analyzing trace with hash 151880123, now seen corresponding path program 130 times [2018-07-23 13:43:54,220 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:54,718 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 13:43:54,718 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:54,718 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:43:54,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:54,719 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= ULTIMATE.start_main_~i~4 101), 80128#(<= ULTIMATE.start_main_~i~4 100), 80131#(<= ULTIMATE.start_main_~i~4 103), 80130#(<= ULTIMATE.start_main_~i~4 102), 80133#(<= ULTIMATE.start_main_~i~4 105), 80132#(<= ULTIMATE.start_main_~i~4 104), 80135#(<= ULTIMATE.start_main_~i~4 107), 80134#(<= ULTIMATE.start_main_~i~4 106), 80137#(<= ULTIMATE.start_main_~i~4 109), 80136#(<= ULTIMATE.start_main_~i~4 108), 80139#(<= ULTIMATE.start_main_~i~4 111), 80138#(<= ULTIMATE.start_main_~i~4 110), 80141#(<= ULTIMATE.start_main_~i~4 113), 80140#(<= ULTIMATE.start_main_~i~4 112), 80143#(<= ULTIMATE.start_main_~i~4 115), 80142#(<= ULTIMATE.start_main_~i~4 114), 80145#(<= ULTIMATE.start_main_~i~4 117), 80144#(<= ULTIMATE.start_main_~i~4 116), 80147#(<= ULTIMATE.start_main_~i~4 119), 80146#(<= ULTIMATE.start_main_~i~4 118), 80149#(<= ULTIMATE.start_main_~i~4 121), 80148#(<= ULTIMATE.start_main_~i~4 120), 80151#(<= ULTIMATE.start_main_~i~4 123), 80150#(<= ULTIMATE.start_main_~i~4 122), 80153#(<= ULTIMATE.start_main_~i~4 125), 80152#(<= ULTIMATE.start_main_~i~4 124), 80155#(<= ULTIMATE.start_main_~i~4 127), 80154#(<= ULTIMATE.start_main_~i~4 126), 80157#(<= ULTIMATE.start_main_~i~4 129), 80156#(<= ULTIMATE.start_main_~i~4 128), 80158#(<= ULTIMATE.start_main_~i~4 130), 80027#false, 80026#true, 80029#(<= ULTIMATE.start_main_~i~4 1), 80028#(<= ULTIMATE.start_main_~i~4 0), 80031#(<= ULTIMATE.start_main_~i~4 3), 80030#(<= ULTIMATE.start_main_~i~4 2), 80033#(<= ULTIMATE.start_main_~i~4 5), 80032#(<= ULTIMATE.start_main_~i~4 4), 80035#(<= ULTIMATE.start_main_~i~4 7), 80034#(<= ULTIMATE.start_main_~i~4 6), 80037#(<= ULTIMATE.start_main_~i~4 9), 80036#(<= ULTIMATE.start_main_~i~4 8), 80039#(<= ULTIMATE.start_main_~i~4 11), 80038#(<= ULTIMATE.start_main_~i~4 10), 80041#(<= ULTIMATE.start_main_~i~4 13), 80040#(<= ULTIMATE.start_main_~i~4 12), 80043#(<= ULTIMATE.start_main_~i~4 15), 80042#(<= ULTIMATE.start_main_~i~4 14), 80045#(<= ULTIMATE.start_main_~i~4 17), 80044#(<= ULTIMATE.start_main_~i~4 16), 80047#(<= ULTIMATE.start_main_~i~4 19), 80046#(<= ULTIMATE.start_main_~i~4 18), 80049#(<= ULTIMATE.start_main_~i~4 21), 80048#(<= ULTIMATE.start_main_~i~4 20), 80051#(<= ULTIMATE.start_main_~i~4 23), 80050#(<= ULTIMATE.start_main_~i~4 22), 80053#(<= ULTIMATE.start_main_~i~4 25), 80052#(<= ULTIMATE.start_main_~i~4 24), 80055#(<= ULTIMATE.start_main_~i~4 27), 80054#(<= ULTIMATE.start_main_~i~4 26), 80057#(<= ULTIMATE.start_main_~i~4 29), 80056#(<= ULTIMATE.start_main_~i~4 28), 80059#(<= ULTIMATE.start_main_~i~4 31), 80058#(<= ULTIMATE.start_main_~i~4 30), 80061#(<= ULTIMATE.start_main_~i~4 33), 80060#(<= ULTIMATE.start_main_~i~4 32), 80063#(<= ULTIMATE.start_main_~i~4 35), 80062#(<= ULTIMATE.start_main_~i~4 34), 80065#(<= ULTIMATE.start_main_~i~4 37), 80064#(<= ULTIMATE.start_main_~i~4 36), 80067#(<= ULTIMATE.start_main_~i~4 39), 80066#(<= ULTIMATE.start_main_~i~4 38), 80069#(<= ULTIMATE.start_main_~i~4 41), 80068#(<= ULTIMATE.start_main_~i~4 40), 80071#(<= ULTIMATE.start_main_~i~4 43), 80070#(<= ULTIMATE.start_main_~i~4 42), 80073#(<= ULTIMATE.start_main_~i~4 45), 80072#(<= ULTIMATE.start_main_~i~4 44), 80075#(<= ULTIMATE.start_main_~i~4 47), 80074#(<= ULTIMATE.start_main_~i~4 46), 80077#(<= ULTIMATE.start_main_~i~4 49), 80076#(<= ULTIMATE.start_main_~i~4 48), 80079#(<= ULTIMATE.start_main_~i~4 51), 80078#(<= ULTIMATE.start_main_~i~4 50), 80081#(<= ULTIMATE.start_main_~i~4 53), 80080#(<= ULTIMATE.start_main_~i~4 52), 80083#(<= ULTIMATE.start_main_~i~4 55), 80082#(<= ULTIMATE.start_main_~i~4 54), 80085#(<= ULTIMATE.start_main_~i~4 57), 80084#(<= ULTIMATE.start_main_~i~4 56), 80087#(<= ULTIMATE.start_main_~i~4 59), 80086#(<= ULTIMATE.start_main_~i~4 58), 80089#(<= ULTIMATE.start_main_~i~4 61), 80088#(<= ULTIMATE.start_main_~i~4 60), 80091#(<= ULTIMATE.start_main_~i~4 63), 80090#(<= ULTIMATE.start_main_~i~4 62), 80093#(<= ULTIMATE.start_main_~i~4 65), 80092#(<= ULTIMATE.start_main_~i~4 64), 80095#(<= ULTIMATE.start_main_~i~4 67), 80094#(<= ULTIMATE.start_main_~i~4 66), 80097#(<= ULTIMATE.start_main_~i~4 69), 80096#(<= ULTIMATE.start_main_~i~4 68), 80099#(<= ULTIMATE.start_main_~i~4 71), 80098#(<= ULTIMATE.start_main_~i~4 70), 80101#(<= ULTIMATE.start_main_~i~4 73), 80100#(<= ULTIMATE.start_main_~i~4 72), 80103#(<= ULTIMATE.start_main_~i~4 75), 80102#(<= ULTIMATE.start_main_~i~4 74), 80105#(<= ULTIMATE.start_main_~i~4 77), 80104#(<= ULTIMATE.start_main_~i~4 76), 80107#(<= ULTIMATE.start_main_~i~4 79), 80106#(<= ULTIMATE.start_main_~i~4 78), 80109#(<= ULTIMATE.start_main_~i~4 81), 80108#(<= ULTIMATE.start_main_~i~4 80), 80111#(<= ULTIMATE.start_main_~i~4 83), 80110#(<= ULTIMATE.start_main_~i~4 82), 80113#(<= ULTIMATE.start_main_~i~4 85), 80112#(<= ULTIMATE.start_main_~i~4 84), 80115#(<= ULTIMATE.start_main_~i~4 87), 80114#(<= ULTIMATE.start_main_~i~4 86), 80117#(<= ULTIMATE.start_main_~i~4 89), 80116#(<= ULTIMATE.start_main_~i~4 88), 80119#(<= ULTIMATE.start_main_~i~4 91), 80118#(<= ULTIMATE.start_main_~i~4 90), 80121#(<= ULTIMATE.start_main_~i~4 93), 80120#(<= ULTIMATE.start_main_~i~4 92), 80123#(<= ULTIMATE.start_main_~i~4 95), 80122#(<= ULTIMATE.start_main_~i~4 94), 80125#(<= ULTIMATE.start_main_~i~4 97), 80124#(<= ULTIMATE.start_main_~i~4 96), 80127#(<= ULTIMATE.start_main_~i~4 99), 80126#(<= ULTIMATE.start_main_~i~4 98)] [2018-07-23 13:43:54,720 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 13:43:54,720 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:43:54,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:43:54,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:43:54,723 INFO L87 Difference]: Start difference. First operand 265 states and 265 transitions. Second operand 133 states. [2018-07-23 13:43:54,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:54,936 INFO L93 Difference]: Finished difference Result 269 states and 269 transitions. [2018-07-23 13:43:54,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:43:54,936 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 264 [2018-07-23 13:43:54,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:54,936 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:43:54,937 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:43:54,938 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 13:43:54,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:43:54,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:43:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:43:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 267 transitions. [2018-07-23 13:43:54,942 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 267 transitions. Word has length 264 [2018-07-23 13:43:54,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:54,942 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 267 transitions. [2018-07-23 13:43:54,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:43:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 267 transitions. [2018-07-23 13:43:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:43:54,943 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:54,943 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1, 1] [2018-07-23 13:43:54,943 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:54,943 INFO L82 PathProgramCache]: Analyzing trace with hash -72037771, now seen corresponding path program 131 times [2018-07-23 13:43:54,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:55,445 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 13:43:55,445 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:55,446 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:43:55,446 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:55,446 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 13:43:55,446 INFO L185 omatonBuilderFactory]: Interpolants [81231#true, 81233#(<= ULTIMATE.start_main_~i~4 0), 81232#false, 81235#(<= ULTIMATE.start_main_~i~4 2), 81234#(<= ULTIMATE.start_main_~i~4 1), 81237#(<= ULTIMATE.start_main_~i~4 4), 81236#(<= ULTIMATE.start_main_~i~4 3), 81239#(<= ULTIMATE.start_main_~i~4 6), 81238#(<= ULTIMATE.start_main_~i~4 5), 81241#(<= ULTIMATE.start_main_~i~4 8), 81240#(<= ULTIMATE.start_main_~i~4 7), 81243#(<= ULTIMATE.start_main_~i~4 10), 81242#(<= ULTIMATE.start_main_~i~4 9), 81245#(<= ULTIMATE.start_main_~i~4 12), 81244#(<= ULTIMATE.start_main_~i~4 11), 81247#(<= ULTIMATE.start_main_~i~4 14), 81246#(<= ULTIMATE.start_main_~i~4 13), 81249#(<= ULTIMATE.start_main_~i~4 16), 81248#(<= ULTIMATE.start_main_~i~4 15), 81251#(<= ULTIMATE.start_main_~i~4 18), 81250#(<= ULTIMATE.start_main_~i~4 17), 81253#(<= ULTIMATE.start_main_~i~4 20), 81252#(<= ULTIMATE.start_main_~i~4 19), 81255#(<= ULTIMATE.start_main_~i~4 22), 81254#(<= ULTIMATE.start_main_~i~4 21), 81257#(<= ULTIMATE.start_main_~i~4 24), 81256#(<= ULTIMATE.start_main_~i~4 23), 81259#(<= ULTIMATE.start_main_~i~4 26), 81258#(<= ULTIMATE.start_main_~i~4 25), 81261#(<= ULTIMATE.start_main_~i~4 28), 81260#(<= ULTIMATE.start_main_~i~4 27), 81263#(<= ULTIMATE.start_main_~i~4 30), 81262#(<= ULTIMATE.start_main_~i~4 29), 81265#(<= ULTIMATE.start_main_~i~4 32), 81264#(<= ULTIMATE.start_main_~i~4 31), 81267#(<= ULTIMATE.start_main_~i~4 34), 81266#(<= ULTIMATE.start_main_~i~4 33), 81269#(<= ULTIMATE.start_main_~i~4 36), 81268#(<= ULTIMATE.start_main_~i~4 35), 81271#(<= ULTIMATE.start_main_~i~4 38), 81270#(<= ULTIMATE.start_main_~i~4 37), 81273#(<= ULTIMATE.start_main_~i~4 40), 81272#(<= ULTIMATE.start_main_~i~4 39), 81275#(<= ULTIMATE.start_main_~i~4 42), 81274#(<= ULTIMATE.start_main_~i~4 41), 81277#(<= ULTIMATE.start_main_~i~4 44), 81276#(<= ULTIMATE.start_main_~i~4 43), 81279#(<= ULTIMATE.start_main_~i~4 46), 81278#(<= ULTIMATE.start_main_~i~4 45), 81281#(<= ULTIMATE.start_main_~i~4 48), 81280#(<= ULTIMATE.start_main_~i~4 47), 81283#(<= ULTIMATE.start_main_~i~4 50), 81282#(<= ULTIMATE.start_main_~i~4 49), 81285#(<= ULTIMATE.start_main_~i~4 52), 81284#(<= ULTIMATE.start_main_~i~4 51), 81287#(<= ULTIMATE.start_main_~i~4 54), 81286#(<= ULTIMATE.start_main_~i~4 53), 81289#(<= ULTIMATE.start_main_~i~4 56), 81288#(<= ULTIMATE.start_main_~i~4 55), 81291#(<= ULTIMATE.start_main_~i~4 58), 81290#(<= ULTIMATE.start_main_~i~4 57), 81293#(<= ULTIMATE.start_main_~i~4 60), 81292#(<= ULTIMATE.start_main_~i~4 59), 81295#(<= ULTIMATE.start_main_~i~4 62), 81294#(<= ULTIMATE.start_main_~i~4 61), 81297#(<= ULTIMATE.start_main_~i~4 64), 81296#(<= ULTIMATE.start_main_~i~4 63), 81299#(<= ULTIMATE.start_main_~i~4 66), 81298#(<= ULTIMATE.start_main_~i~4 65), 81301#(<= ULTIMATE.start_main_~i~4 68), 81300#(<= ULTIMATE.start_main_~i~4 67), 81303#(<= ULTIMATE.start_main_~i~4 70), 81302#(<= ULTIMATE.start_main_~i~4 69), 81305#(<= ULTIMATE.start_main_~i~4 72), 81304#(<= ULTIMATE.start_main_~i~4 71), 81307#(<= ULTIMATE.start_main_~i~4 74), 81306#(<= ULTIMATE.start_main_~i~4 73), 81309#(<= ULTIMATE.start_main_~i~4 76), 81308#(<= ULTIMATE.start_main_~i~4 75), 81311#(<= ULTIMATE.start_main_~i~4 78), 81310#(<= ULTIMATE.start_main_~i~4 77), 81313#(<= ULTIMATE.start_main_~i~4 80), 81312#(<= ULTIMATE.start_main_~i~4 79), 81315#(<= ULTIMATE.start_main_~i~4 82), 81314#(<= ULTIMATE.start_main_~i~4 81), 81317#(<= ULTIMATE.start_main_~i~4 84), 81316#(<= ULTIMATE.start_main_~i~4 83), 81319#(<= ULTIMATE.start_main_~i~4 86), 81318#(<= ULTIMATE.start_main_~i~4 85), 81321#(<= ULTIMATE.start_main_~i~4 88), 81320#(<= ULTIMATE.start_main_~i~4 87), 81323#(<= ULTIMATE.start_main_~i~4 90), 81322#(<= ULTIMATE.start_main_~i~4 89), 81325#(<= ULTIMATE.start_main_~i~4 92), 81324#(<= ULTIMATE.start_main_~i~4 91), 81327#(<= ULTIMATE.start_main_~i~4 94), 81326#(<= ULTIMATE.start_main_~i~4 93), 81329#(<= ULTIMATE.start_main_~i~4 96), 81328#(<= ULTIMATE.start_main_~i~4 95), 81331#(<= ULTIMATE.start_main_~i~4 98), 81330#(<= ULTIMATE.start_main_~i~4 97), 81333#(<= ULTIMATE.start_main_~i~4 100), 81332#(<= ULTIMATE.start_main_~i~4 99), 81335#(<= ULTIMATE.start_main_~i~4 102), 81334#(<= ULTIMATE.start_main_~i~4 101), 81337#(<= ULTIMATE.start_main_~i~4 104), 81336#(<= ULTIMATE.start_main_~i~4 103), 81339#(<= ULTIMATE.start_main_~i~4 106), 81338#(<= ULTIMATE.start_main_~i~4 105), 81341#(<= ULTIMATE.start_main_~i~4 108), 81340#(<= ULTIMATE.start_main_~i~4 107), 81343#(<= ULTIMATE.start_main_~i~4 110), 81342#(<= ULTIMATE.start_main_~i~4 109), 81345#(<= ULTIMATE.start_main_~i~4 112), 81344#(<= ULTIMATE.start_main_~i~4 111), 81347#(<= ULTIMATE.start_main_~i~4 114), 81346#(<= ULTIMATE.start_main_~i~4 113), 81349#(<= ULTIMATE.start_main_~i~4 116), 81348#(<= ULTIMATE.start_main_~i~4 115), 81351#(<= ULTIMATE.start_main_~i~4 118), 81350#(<= ULTIMATE.start_main_~i~4 117), 81353#(<= ULTIMATE.start_main_~i~4 120), 81352#(<= ULTIMATE.start_main_~i~4 119), 81355#(<= ULTIMATE.start_main_~i~4 122), 81354#(<= ULTIMATE.start_main_~i~4 121), 81357#(<= ULTIMATE.start_main_~i~4 124), 81356#(<= ULTIMATE.start_main_~i~4 123), 81359#(<= ULTIMATE.start_main_~i~4 126), 81358#(<= ULTIMATE.start_main_~i~4 125), 81361#(<= ULTIMATE.start_main_~i~4 128), 81360#(<= ULTIMATE.start_main_~i~4 127), 81363#(<= ULTIMATE.start_main_~i~4 130), 81362#(<= ULTIMATE.start_main_~i~4 129), 81364#(<= ULTIMATE.start_main_~i~4 131)] [2018-07-23 13:43:55,447 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 13:43:55,448 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:43:55,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:43:55,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:43:55,451 INFO L87 Difference]: Start difference. First operand 267 states and 267 transitions. Second operand 134 states. [2018-07-23 13:43:55,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:55,845 INFO L93 Difference]: Finished difference Result 271 states and 271 transitions. [2018-07-23 13:43:55,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:43:55,845 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 266 [2018-07-23 13:43:55,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:55,846 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:43:55,846 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:43:55,848 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:43:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:43:55,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:43:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:43:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 269 transitions. [2018-07-23 13:43:55,852 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 269 transitions. Word has length 266 [2018-07-23 13:43:55,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:55,853 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 269 transitions. [2018-07-23 13:43:55,853 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:43:55,853 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 269 transitions. [2018-07-23 13:43:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:43:55,854 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:55,854 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1, 1] [2018-07-23 13:43:55,854 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:55,854 INFO L82 PathProgramCache]: Analyzing trace with hash -508769105, now seen corresponding path program 132 times [2018-07-23 13:43:55,854 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:56,371 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 13:43:56,371 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:56,371 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:43:56,371 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:56,372 INFO L185 omatonBuilderFactory]: Interpolants [82445#true, 82447#(<= ULTIMATE.start_main_~i~4 0), 82446#false, 82449#(<= ULTIMATE.start_main_~i~4 2), 82448#(<= ULTIMATE.start_main_~i~4 1), 82451#(<= ULTIMATE.start_main_~i~4 4), 82450#(<= ULTIMATE.start_main_~i~4 3), 82453#(<= ULTIMATE.start_main_~i~4 6), 82452#(<= ULTIMATE.start_main_~i~4 5), 82455#(<= ULTIMATE.start_main_~i~4 8), 82454#(<= ULTIMATE.start_main_~i~4 7), 82457#(<= ULTIMATE.start_main_~i~4 10), 82456#(<= ULTIMATE.start_main_~i~4 9), 82459#(<= ULTIMATE.start_main_~i~4 12), 82458#(<= ULTIMATE.start_main_~i~4 11), 82461#(<= ULTIMATE.start_main_~i~4 14), 82460#(<= ULTIMATE.start_main_~i~4 13), 82463#(<= ULTIMATE.start_main_~i~4 16), 82462#(<= ULTIMATE.start_main_~i~4 15), 82465#(<= ULTIMATE.start_main_~i~4 18), 82464#(<= ULTIMATE.start_main_~i~4 17), 82467#(<= ULTIMATE.start_main_~i~4 20), 82466#(<= ULTIMATE.start_main_~i~4 19), 82469#(<= ULTIMATE.start_main_~i~4 22), 82468#(<= ULTIMATE.start_main_~i~4 21), 82471#(<= ULTIMATE.start_main_~i~4 24), 82470#(<= ULTIMATE.start_main_~i~4 23), 82473#(<= ULTIMATE.start_main_~i~4 26), 82472#(<= ULTIMATE.start_main_~i~4 25), 82475#(<= ULTIMATE.start_main_~i~4 28), 82474#(<= ULTIMATE.start_main_~i~4 27), 82477#(<= ULTIMATE.start_main_~i~4 30), 82476#(<= ULTIMATE.start_main_~i~4 29), 82479#(<= ULTIMATE.start_main_~i~4 32), 82478#(<= ULTIMATE.start_main_~i~4 31), 82481#(<= ULTIMATE.start_main_~i~4 34), 82480#(<= ULTIMATE.start_main_~i~4 33), 82483#(<= ULTIMATE.start_main_~i~4 36), 82482#(<= ULTIMATE.start_main_~i~4 35), 82485#(<= ULTIMATE.start_main_~i~4 38), 82484#(<= ULTIMATE.start_main_~i~4 37), 82487#(<= ULTIMATE.start_main_~i~4 40), 82486#(<= ULTIMATE.start_main_~i~4 39), 82489#(<= ULTIMATE.start_main_~i~4 42), 82488#(<= ULTIMATE.start_main_~i~4 41), 82491#(<= ULTIMATE.start_main_~i~4 44), 82490#(<= ULTIMATE.start_main_~i~4 43), 82493#(<= ULTIMATE.start_main_~i~4 46), 82492#(<= ULTIMATE.start_main_~i~4 45), 82495#(<= ULTIMATE.start_main_~i~4 48), 82494#(<= ULTIMATE.start_main_~i~4 47), 82497#(<= ULTIMATE.start_main_~i~4 50), 82496#(<= ULTIMATE.start_main_~i~4 49), 82499#(<= ULTIMATE.start_main_~i~4 52), 82498#(<= ULTIMATE.start_main_~i~4 51), 82501#(<= ULTIMATE.start_main_~i~4 54), 82500#(<= ULTIMATE.start_main_~i~4 53), 82503#(<= ULTIMATE.start_main_~i~4 56), 82502#(<= ULTIMATE.start_main_~i~4 55), 82505#(<= ULTIMATE.start_main_~i~4 58), 82504#(<= ULTIMATE.start_main_~i~4 57), 82507#(<= ULTIMATE.start_main_~i~4 60), 82506#(<= ULTIMATE.start_main_~i~4 59), 82509#(<= ULTIMATE.start_main_~i~4 62), 82508#(<= ULTIMATE.start_main_~i~4 61), 82511#(<= ULTIMATE.start_main_~i~4 64), 82510#(<= ULTIMATE.start_main_~i~4 63), 82513#(<= ULTIMATE.start_main_~i~4 66), 82512#(<= ULTIMATE.start_main_~i~4 65), 82515#(<= ULTIMATE.start_main_~i~4 68), 82514#(<= ULTIMATE.start_main_~i~4 67), 82517#(<= ULTIMATE.start_main_~i~4 70), 82516#(<= ULTIMATE.start_main_~i~4 69), 82519#(<= ULTIMATE.start_main_~i~4 72), 82518#(<= ULTIMATE.start_main_~i~4 71), 82521#(<= ULTIMATE.start_main_~i~4 74), 82520#(<= ULTIMATE.start_main_~i~4 73), 82523#(<= ULTIMATE.start_main_~i~4 76), 82522#(<= ULTIMATE.start_main_~i~4 75), 82525#(<= ULTIMATE.start_main_~i~4 78), 82524#(<= ULTIMATE.start_main_~i~4 77), 82527#(<= ULTIMATE.start_main_~i~4 80), 82526#(<= ULTIMATE.start_main_~i~4 79), 82529#(<= ULTIMATE.start_main_~i~4 82), 82528#(<= ULTIMATE.start_main_~i~4 81), 82531#(<= ULTIMATE.start_main_~i~4 84), 82530#(<= ULTIMATE.start_main_~i~4 83), 82533#(<= ULTIMATE.start_main_~i~4 86), 82532#(<= ULTIMATE.start_main_~i~4 85), 82535#(<= ULTIMATE.start_main_~i~4 88), 82534#(<= ULTIMATE.start_main_~i~4 87), 82537#(<= ULTIMATE.start_main_~i~4 90), 82536#(<= ULTIMATE.start_main_~i~4 89), 82539#(<= ULTIMATE.start_main_~i~4 92), 82538#(<= ULTIMATE.start_main_~i~4 91), 82541#(<= ULTIMATE.start_main_~i~4 94), 82540#(<= ULTIMATE.start_main_~i~4 93), 82543#(<= ULTIMATE.start_main_~i~4 96), 82542#(<= ULTIMATE.start_main_~i~4 95), 82545#(<= ULTIMATE.start_main_~i~4 98), 82544#(<= ULTIMATE.start_main_~i~4 97), 82547#(<= ULTIMATE.start_main_~i~4 100), 82546#(<= ULTIMATE.start_main_~i~4 99), 82549#(<= ULTIMATE.start_main_~i~4 102), 82548#(<= ULTIMATE.start_main_~i~4 101), 82551#(<= ULTIMATE.start_main_~i~4 104), 82550#(<= ULTIMATE.start_main_~i~4 103), 82553#(<= ULTIMATE.start_main_~i~4 106), 82552#(<= ULTIMATE.start_main_~i~4 105), 82555#(<= ULTIMATE.start_main_~i~4 108), 82554#(<= ULTIMATE.start_main_~i~4 107), 82557#(<= ULTIMATE.start_main_~i~4 110), 82556#(<= ULTIMATE.start_main_~i~4 109), 82559#(<= ULTIMATE.start_main_~i~4 112), 82558#(<= ULTIMATE.start_main_~i~4 111), 82561#(<= ULTIMATE.start_main_~i~4 114), 82560#(<= ULTIMATE.start_main_~i~4 113), 82563#(<= ULTIMATE.start_main_~i~4 116), 82562#(<= ULTIMATE.start_main_~i~4 115), 82565#(<= ULTIMATE.start_main_~i~4 118), 82564#(<= ULTIMATE.start_main_~i~4 117), 82567#(<= ULTIMATE.start_main_~i~4 120), 82566#(<= ULTIMATE.start_main_~i~4 119), 82569#(<= ULTIMATE.start_main_~i~4 122), 82568#(<= ULTIMATE.start_main_~i~4 121), 82571#(<= ULTIMATE.start_main_~i~4 124), 82570#(<= ULTIMATE.start_main_~i~4 123), 82573#(<= ULTIMATE.start_main_~i~4 126), 82572#(<= ULTIMATE.start_main_~i~4 125), 82575#(<= ULTIMATE.start_main_~i~4 128), 82574#(<= ULTIMATE.start_main_~i~4 127), 82577#(<= ULTIMATE.start_main_~i~4 130), 82576#(<= ULTIMATE.start_main_~i~4 129), 82579#(<= ULTIMATE.start_main_~i~4 132), 82578#(<= ULTIMATE.start_main_~i~4 131)] [2018-07-23 13:43:56,373 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 13:43:56,373 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:43:56,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:43:56,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:43:56,375 INFO L87 Difference]: Start difference. First operand 269 states and 269 transitions. Second operand 135 states. [2018-07-23 13:43:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:56,872 INFO L93 Difference]: Finished difference Result 273 states and 273 transitions. [2018-07-23 13:43:56,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:43:56,872 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 268 [2018-07-23 13:43:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:56,872 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:43:56,872 INFO L226 Difference]: Without dead ends: 271 [2018-07-23 13:43:56,874 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 13:43:56,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-07-23 13:43:56,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-07-23 13:43:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-07-23 13:43:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 271 transitions. [2018-07-23 13:43:56,878 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 271 transitions. Word has length 268 [2018-07-23 13:43:56,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:56,878 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 271 transitions. [2018-07-23 13:43:56,878 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:43:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 271 transitions. [2018-07-23 13:43:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 13:43:56,880 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:56,880 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1, 1] [2018-07-23 13:43:56,880 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:56,880 INFO L82 PathProgramCache]: Analyzing trace with hash 699213929, now seen corresponding path program 133 times [2018-07-23 13:43:56,880 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:57,456 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 13:43:57,457 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:57,457 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:43:57,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:57,458 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= ULTIMATE.start_main_~i~4 43), 83712#(<= ULTIMATE.start_main_~i~4 42), 83715#(<= ULTIMATE.start_main_~i~4 45), 83714#(<= ULTIMATE.start_main_~i~4 44), 83717#(<= ULTIMATE.start_main_~i~4 47), 83716#(<= ULTIMATE.start_main_~i~4 46), 83719#(<= ULTIMATE.start_main_~i~4 49), 83718#(<= ULTIMATE.start_main_~i~4 48), 83721#(<= ULTIMATE.start_main_~i~4 51), 83720#(<= ULTIMATE.start_main_~i~4 50), 83723#(<= ULTIMATE.start_main_~i~4 53), 83722#(<= ULTIMATE.start_main_~i~4 52), 83725#(<= ULTIMATE.start_main_~i~4 55), 83724#(<= ULTIMATE.start_main_~i~4 54), 83727#(<= ULTIMATE.start_main_~i~4 57), 83726#(<= ULTIMATE.start_main_~i~4 56), 83729#(<= ULTIMATE.start_main_~i~4 59), 83728#(<= ULTIMATE.start_main_~i~4 58), 83731#(<= ULTIMATE.start_main_~i~4 61), 83730#(<= ULTIMATE.start_main_~i~4 60), 83733#(<= ULTIMATE.start_main_~i~4 63), 83732#(<= ULTIMATE.start_main_~i~4 62), 83735#(<= ULTIMATE.start_main_~i~4 65), 83734#(<= ULTIMATE.start_main_~i~4 64), 83737#(<= ULTIMATE.start_main_~i~4 67), 83736#(<= ULTIMATE.start_main_~i~4 66), 83739#(<= ULTIMATE.start_main_~i~4 69), 83738#(<= ULTIMATE.start_main_~i~4 68), 83741#(<= ULTIMATE.start_main_~i~4 71), 83740#(<= ULTIMATE.start_main_~i~4 70), 83743#(<= ULTIMATE.start_main_~i~4 73), 83742#(<= ULTIMATE.start_main_~i~4 72), 83745#(<= ULTIMATE.start_main_~i~4 75), 83744#(<= ULTIMATE.start_main_~i~4 74), 83747#(<= ULTIMATE.start_main_~i~4 77), 83746#(<= ULTIMATE.start_main_~i~4 76), 83749#(<= ULTIMATE.start_main_~i~4 79), 83748#(<= ULTIMATE.start_main_~i~4 78), 83751#(<= ULTIMATE.start_main_~i~4 81), 83750#(<= ULTIMATE.start_main_~i~4 80), 83753#(<= ULTIMATE.start_main_~i~4 83), 83752#(<= ULTIMATE.start_main_~i~4 82), 83755#(<= ULTIMATE.start_main_~i~4 85), 83754#(<= ULTIMATE.start_main_~i~4 84), 83757#(<= ULTIMATE.start_main_~i~4 87), 83756#(<= ULTIMATE.start_main_~i~4 86), 83759#(<= ULTIMATE.start_main_~i~4 89), 83758#(<= ULTIMATE.start_main_~i~4 88), 83761#(<= ULTIMATE.start_main_~i~4 91), 83760#(<= ULTIMATE.start_main_~i~4 90), 83763#(<= ULTIMATE.start_main_~i~4 93), 83762#(<= ULTIMATE.start_main_~i~4 92), 83765#(<= ULTIMATE.start_main_~i~4 95), 83764#(<= ULTIMATE.start_main_~i~4 94), 83767#(<= ULTIMATE.start_main_~i~4 97), 83766#(<= ULTIMATE.start_main_~i~4 96), 83769#(<= ULTIMATE.start_main_~i~4 99), 83768#(<= ULTIMATE.start_main_~i~4 98), 83771#(<= ULTIMATE.start_main_~i~4 101), 83770#(<= ULTIMATE.start_main_~i~4 100), 83773#(<= ULTIMATE.start_main_~i~4 103), 83772#(<= ULTIMATE.start_main_~i~4 102), 83775#(<= ULTIMATE.start_main_~i~4 105), 83774#(<= ULTIMATE.start_main_~i~4 104), 83777#(<= ULTIMATE.start_main_~i~4 107), 83776#(<= ULTIMATE.start_main_~i~4 106), 83779#(<= ULTIMATE.start_main_~i~4 109), 83778#(<= ULTIMATE.start_main_~i~4 108), 83781#(<= ULTIMATE.start_main_~i~4 111), 83780#(<= ULTIMATE.start_main_~i~4 110), 83783#(<= ULTIMATE.start_main_~i~4 113), 83782#(<= ULTIMATE.start_main_~i~4 112), 83785#(<= ULTIMATE.start_main_~i~4 115), 83784#(<= ULTIMATE.start_main_~i~4 114), 83787#(<= ULTIMATE.start_main_~i~4 117), 83786#(<= ULTIMATE.start_main_~i~4 116), 83789#(<= ULTIMATE.start_main_~i~4 119), 83788#(<= ULTIMATE.start_main_~i~4 118), 83791#(<= ULTIMATE.start_main_~i~4 121), 83790#(<= ULTIMATE.start_main_~i~4 120), 83793#(<= ULTIMATE.start_main_~i~4 123), 83792#(<= ULTIMATE.start_main_~i~4 122), 83795#(<= ULTIMATE.start_main_~i~4 125), 83794#(<= ULTIMATE.start_main_~i~4 124), 83797#(<= ULTIMATE.start_main_~i~4 127), 83796#(<= ULTIMATE.start_main_~i~4 126), 83799#(<= ULTIMATE.start_main_~i~4 129), 83798#(<= ULTIMATE.start_main_~i~4 128), 83801#(<= ULTIMATE.start_main_~i~4 131), 83800#(<= ULTIMATE.start_main_~i~4 130), 83803#(<= ULTIMATE.start_main_~i~4 133), 83802#(<= ULTIMATE.start_main_~i~4 132), 83669#false, 83668#true, 83671#(<= ULTIMATE.start_main_~i~4 1), 83670#(<= ULTIMATE.start_main_~i~4 0), 83673#(<= ULTIMATE.start_main_~i~4 3), 83672#(<= ULTIMATE.start_main_~i~4 2), 83675#(<= ULTIMATE.start_main_~i~4 5), 83674#(<= ULTIMATE.start_main_~i~4 4), 83677#(<= ULTIMATE.start_main_~i~4 7), 83676#(<= ULTIMATE.start_main_~i~4 6), 83679#(<= ULTIMATE.start_main_~i~4 9), 83678#(<= ULTIMATE.start_main_~i~4 8), 83681#(<= ULTIMATE.start_main_~i~4 11), 83680#(<= ULTIMATE.start_main_~i~4 10), 83683#(<= ULTIMATE.start_main_~i~4 13), 83682#(<= ULTIMATE.start_main_~i~4 12), 83685#(<= ULTIMATE.start_main_~i~4 15), 83684#(<= ULTIMATE.start_main_~i~4 14), 83687#(<= ULTIMATE.start_main_~i~4 17), 83686#(<= ULTIMATE.start_main_~i~4 16), 83689#(<= ULTIMATE.start_main_~i~4 19), 83688#(<= ULTIMATE.start_main_~i~4 18), 83691#(<= ULTIMATE.start_main_~i~4 21), 83690#(<= ULTIMATE.start_main_~i~4 20), 83693#(<= ULTIMATE.start_main_~i~4 23), 83692#(<= ULTIMATE.start_main_~i~4 22), 83695#(<= ULTIMATE.start_main_~i~4 25), 83694#(<= ULTIMATE.start_main_~i~4 24), 83697#(<= ULTIMATE.start_main_~i~4 27), 83696#(<= ULTIMATE.start_main_~i~4 26), 83699#(<= ULTIMATE.start_main_~i~4 29), 83698#(<= ULTIMATE.start_main_~i~4 28), 83701#(<= ULTIMATE.start_main_~i~4 31), 83700#(<= ULTIMATE.start_main_~i~4 30), 83703#(<= ULTIMATE.start_main_~i~4 33), 83702#(<= ULTIMATE.start_main_~i~4 32), 83705#(<= ULTIMATE.start_main_~i~4 35), 83704#(<= ULTIMATE.start_main_~i~4 34), 83707#(<= ULTIMATE.start_main_~i~4 37), 83706#(<= ULTIMATE.start_main_~i~4 36), 83709#(<= ULTIMATE.start_main_~i~4 39), 83708#(<= ULTIMATE.start_main_~i~4 38), 83711#(<= ULTIMATE.start_main_~i~4 41), 83710#(<= ULTIMATE.start_main_~i~4 40)] [2018-07-23 13:43:57,459 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 13:43:57,459 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:43:57,461 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:43:57,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:43:57,463 INFO L87 Difference]: Start difference. First operand 271 states and 271 transitions. Second operand 136 states. [2018-07-23 13:43:57,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:57,772 INFO L93 Difference]: Finished difference Result 275 states and 275 transitions. [2018-07-23 13:43:57,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:43:57,772 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 270 [2018-07-23 13:43:57,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:57,772 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:43:57,773 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:43:57,774 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:43:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:43:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:43:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:43:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 273 transitions. [2018-07-23 13:43:57,778 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 273 transitions. Word has length 270 [2018-07-23 13:43:57,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:57,779 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 273 transitions. [2018-07-23 13:43:57,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:43:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 273 transitions. [2018-07-23 13:43:57,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:43:57,780 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:57,780 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1, 1] [2018-07-23 13:43:57,780 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:57,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1929739683, now seen corresponding path program 134 times [2018-07-23 13:43:57,781 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:58,336 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 13:43:58,336 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:58,336 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:43:58,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:58,337 INFO L185 omatonBuilderFactory]: Interpolants [84993#(<= ULTIMATE.start_main_~i~4 91), 84992#(<= ULTIMATE.start_main_~i~4 90), 84995#(<= ULTIMATE.start_main_~i~4 93), 84994#(<= ULTIMATE.start_main_~i~4 92), 84997#(<= ULTIMATE.start_main_~i~4 95), 84996#(<= ULTIMATE.start_main_~i~4 94), 84999#(<= ULTIMATE.start_main_~i~4 97), 84998#(<= ULTIMATE.start_main_~i~4 96), 85001#(<= ULTIMATE.start_main_~i~4 99), 85000#(<= ULTIMATE.start_main_~i~4 98), 85003#(<= ULTIMATE.start_main_~i~4 101), 85002#(<= ULTIMATE.start_main_~i~4 100), 85005#(<= ULTIMATE.start_main_~i~4 103), 85004#(<= ULTIMATE.start_main_~i~4 102), 85007#(<= ULTIMATE.start_main_~i~4 105), 85006#(<= ULTIMATE.start_main_~i~4 104), 85009#(<= ULTIMATE.start_main_~i~4 107), 85008#(<= ULTIMATE.start_main_~i~4 106), 85011#(<= ULTIMATE.start_main_~i~4 109), 85010#(<= ULTIMATE.start_main_~i~4 108), 85013#(<= ULTIMATE.start_main_~i~4 111), 85012#(<= ULTIMATE.start_main_~i~4 110), 85015#(<= ULTIMATE.start_main_~i~4 113), 85014#(<= ULTIMATE.start_main_~i~4 112), 85017#(<= ULTIMATE.start_main_~i~4 115), 85016#(<= ULTIMATE.start_main_~i~4 114), 85019#(<= ULTIMATE.start_main_~i~4 117), 85018#(<= ULTIMATE.start_main_~i~4 116), 85021#(<= ULTIMATE.start_main_~i~4 119), 85020#(<= ULTIMATE.start_main_~i~4 118), 85023#(<= ULTIMATE.start_main_~i~4 121), 85022#(<= ULTIMATE.start_main_~i~4 120), 85025#(<= ULTIMATE.start_main_~i~4 123), 85024#(<= ULTIMATE.start_main_~i~4 122), 85027#(<= ULTIMATE.start_main_~i~4 125), 85026#(<= ULTIMATE.start_main_~i~4 124), 85029#(<= ULTIMATE.start_main_~i~4 127), 85028#(<= ULTIMATE.start_main_~i~4 126), 85031#(<= ULTIMATE.start_main_~i~4 129), 85030#(<= ULTIMATE.start_main_~i~4 128), 85033#(<= ULTIMATE.start_main_~i~4 131), 85032#(<= ULTIMATE.start_main_~i~4 130), 85035#(<= ULTIMATE.start_main_~i~4 133), 85034#(<= ULTIMATE.start_main_~i~4 132), 85036#(<= ULTIMATE.start_main_~i~4 134), 84901#false, 84900#true, 84903#(<= ULTIMATE.start_main_~i~4 1), 84902#(<= ULTIMATE.start_main_~i~4 0), 84905#(<= ULTIMATE.start_main_~i~4 3), 84904#(<= ULTIMATE.start_main_~i~4 2), 84907#(<= ULTIMATE.start_main_~i~4 5), 84906#(<= ULTIMATE.start_main_~i~4 4), 84909#(<= ULTIMATE.start_main_~i~4 7), 84908#(<= ULTIMATE.start_main_~i~4 6), 84911#(<= ULTIMATE.start_main_~i~4 9), 84910#(<= ULTIMATE.start_main_~i~4 8), 84913#(<= ULTIMATE.start_main_~i~4 11), 84912#(<= ULTIMATE.start_main_~i~4 10), 84915#(<= ULTIMATE.start_main_~i~4 13), 84914#(<= ULTIMATE.start_main_~i~4 12), 84917#(<= ULTIMATE.start_main_~i~4 15), 84916#(<= ULTIMATE.start_main_~i~4 14), 84919#(<= ULTIMATE.start_main_~i~4 17), 84918#(<= ULTIMATE.start_main_~i~4 16), 84921#(<= ULTIMATE.start_main_~i~4 19), 84920#(<= ULTIMATE.start_main_~i~4 18), 84923#(<= ULTIMATE.start_main_~i~4 21), 84922#(<= ULTIMATE.start_main_~i~4 20), 84925#(<= ULTIMATE.start_main_~i~4 23), 84924#(<= ULTIMATE.start_main_~i~4 22), 84927#(<= ULTIMATE.start_main_~i~4 25), 84926#(<= ULTIMATE.start_main_~i~4 24), 84929#(<= ULTIMATE.start_main_~i~4 27), 84928#(<= ULTIMATE.start_main_~i~4 26), 84931#(<= ULTIMATE.start_main_~i~4 29), 84930#(<= ULTIMATE.start_main_~i~4 28), 84933#(<= ULTIMATE.start_main_~i~4 31), 84932#(<= ULTIMATE.start_main_~i~4 30), 84935#(<= ULTIMATE.start_main_~i~4 33), 84934#(<= ULTIMATE.start_main_~i~4 32), 84937#(<= ULTIMATE.start_main_~i~4 35), 84936#(<= ULTIMATE.start_main_~i~4 34), 84939#(<= ULTIMATE.start_main_~i~4 37), 84938#(<= ULTIMATE.start_main_~i~4 36), 84941#(<= ULTIMATE.start_main_~i~4 39), 84940#(<= ULTIMATE.start_main_~i~4 38), 84943#(<= ULTIMATE.start_main_~i~4 41), 84942#(<= ULTIMATE.start_main_~i~4 40), 84945#(<= ULTIMATE.start_main_~i~4 43), 84944#(<= ULTIMATE.start_main_~i~4 42), 84947#(<= ULTIMATE.start_main_~i~4 45), 84946#(<= ULTIMATE.start_main_~i~4 44), 84949#(<= ULTIMATE.start_main_~i~4 47), 84948#(<= ULTIMATE.start_main_~i~4 46), 84951#(<= ULTIMATE.start_main_~i~4 49), 84950#(<= ULTIMATE.start_main_~i~4 48), 84953#(<= ULTIMATE.start_main_~i~4 51), 84952#(<= ULTIMATE.start_main_~i~4 50), 84955#(<= ULTIMATE.start_main_~i~4 53), 84954#(<= ULTIMATE.start_main_~i~4 52), 84957#(<= ULTIMATE.start_main_~i~4 55), 84956#(<= ULTIMATE.start_main_~i~4 54), 84959#(<= ULTIMATE.start_main_~i~4 57), 84958#(<= ULTIMATE.start_main_~i~4 56), 84961#(<= ULTIMATE.start_main_~i~4 59), 84960#(<= ULTIMATE.start_main_~i~4 58), 84963#(<= ULTIMATE.start_main_~i~4 61), 84962#(<= ULTIMATE.start_main_~i~4 60), 84965#(<= ULTIMATE.start_main_~i~4 63), 84964#(<= ULTIMATE.start_main_~i~4 62), 84967#(<= ULTIMATE.start_main_~i~4 65), 84966#(<= ULTIMATE.start_main_~i~4 64), 84969#(<= ULTIMATE.start_main_~i~4 67), 84968#(<= ULTIMATE.start_main_~i~4 66), 84971#(<= ULTIMATE.start_main_~i~4 69), 84970#(<= ULTIMATE.start_main_~i~4 68), 84973#(<= ULTIMATE.start_main_~i~4 71), 84972#(<= ULTIMATE.start_main_~i~4 70), 84975#(<= ULTIMATE.start_main_~i~4 73), 84974#(<= ULTIMATE.start_main_~i~4 72), 84977#(<= ULTIMATE.start_main_~i~4 75), 84976#(<= ULTIMATE.start_main_~i~4 74), 84979#(<= ULTIMATE.start_main_~i~4 77), 84978#(<= ULTIMATE.start_main_~i~4 76), 84981#(<= ULTIMATE.start_main_~i~4 79), 84980#(<= ULTIMATE.start_main_~i~4 78), 84983#(<= ULTIMATE.start_main_~i~4 81), 84982#(<= ULTIMATE.start_main_~i~4 80), 84985#(<= ULTIMATE.start_main_~i~4 83), 84984#(<= ULTIMATE.start_main_~i~4 82), 84987#(<= ULTIMATE.start_main_~i~4 85), 84986#(<= ULTIMATE.start_main_~i~4 84), 84989#(<= ULTIMATE.start_main_~i~4 87), 84988#(<= ULTIMATE.start_main_~i~4 86), 84991#(<= ULTIMATE.start_main_~i~4 89), 84990#(<= ULTIMATE.start_main_~i~4 88)] [2018-07-23 13:43:58,338 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 13:43:58,338 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:43:58,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:43:58,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:43:58,340 INFO L87 Difference]: Start difference. First operand 273 states and 273 transitions. Second operand 137 states. [2018-07-23 13:43:58,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:58,527 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2018-07-23 13:43:58,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:43:58,527 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 272 [2018-07-23 13:43:58,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:58,528 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:43:58,528 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:43:58,530 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 13:43:58,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:43:58,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:43:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:43:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 275 transitions. [2018-07-23 13:43:58,534 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 275 transitions. Word has length 272 [2018-07-23 13:43:58,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:58,535 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 275 transitions. [2018-07-23 13:43:58,535 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:43:58,535 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 275 transitions. [2018-07-23 13:43:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:43:58,536 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:58,536 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1, 1] [2018-07-23 13:43:58,536 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:58,537 INFO L82 PathProgramCache]: Analyzing trace with hash -945984419, now seen corresponding path program 135 times [2018-07-23 13:43:58,537 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:59,172 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 13:43:59,173 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:59,173 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:43:59,173 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:59,173 INFO L185 omatonBuilderFactory]: Interpolants [86273#(<= ULTIMATE.start_main_~i~4 130), 86272#(<= ULTIMATE.start_main_~i~4 129), 86275#(<= ULTIMATE.start_main_~i~4 132), 86274#(<= ULTIMATE.start_main_~i~4 131), 86277#(<= ULTIMATE.start_main_~i~4 134), 86276#(<= ULTIMATE.start_main_~i~4 133), 86278#(<= ULTIMATE.start_main_~i~4 135), 86141#true, 86143#(<= ULTIMATE.start_main_~i~4 0), 86142#false, 86145#(<= ULTIMATE.start_main_~i~4 2), 86144#(<= ULTIMATE.start_main_~i~4 1), 86147#(<= ULTIMATE.start_main_~i~4 4), 86146#(<= ULTIMATE.start_main_~i~4 3), 86149#(<= ULTIMATE.start_main_~i~4 6), 86148#(<= ULTIMATE.start_main_~i~4 5), 86151#(<= ULTIMATE.start_main_~i~4 8), 86150#(<= ULTIMATE.start_main_~i~4 7), 86153#(<= ULTIMATE.start_main_~i~4 10), 86152#(<= ULTIMATE.start_main_~i~4 9), 86155#(<= ULTIMATE.start_main_~i~4 12), 86154#(<= ULTIMATE.start_main_~i~4 11), 86157#(<= ULTIMATE.start_main_~i~4 14), 86156#(<= ULTIMATE.start_main_~i~4 13), 86159#(<= ULTIMATE.start_main_~i~4 16), 86158#(<= ULTIMATE.start_main_~i~4 15), 86161#(<= ULTIMATE.start_main_~i~4 18), 86160#(<= ULTIMATE.start_main_~i~4 17), 86163#(<= ULTIMATE.start_main_~i~4 20), 86162#(<= ULTIMATE.start_main_~i~4 19), 86165#(<= ULTIMATE.start_main_~i~4 22), 86164#(<= ULTIMATE.start_main_~i~4 21), 86167#(<= ULTIMATE.start_main_~i~4 24), 86166#(<= ULTIMATE.start_main_~i~4 23), 86169#(<= ULTIMATE.start_main_~i~4 26), 86168#(<= ULTIMATE.start_main_~i~4 25), 86171#(<= ULTIMATE.start_main_~i~4 28), 86170#(<= ULTIMATE.start_main_~i~4 27), 86173#(<= ULTIMATE.start_main_~i~4 30), 86172#(<= ULTIMATE.start_main_~i~4 29), 86175#(<= ULTIMATE.start_main_~i~4 32), 86174#(<= ULTIMATE.start_main_~i~4 31), 86177#(<= ULTIMATE.start_main_~i~4 34), 86176#(<= ULTIMATE.start_main_~i~4 33), 86179#(<= ULTIMATE.start_main_~i~4 36), 86178#(<= ULTIMATE.start_main_~i~4 35), 86181#(<= ULTIMATE.start_main_~i~4 38), 86180#(<= ULTIMATE.start_main_~i~4 37), 86183#(<= ULTIMATE.start_main_~i~4 40), 86182#(<= ULTIMATE.start_main_~i~4 39), 86185#(<= ULTIMATE.start_main_~i~4 42), 86184#(<= ULTIMATE.start_main_~i~4 41), 86187#(<= ULTIMATE.start_main_~i~4 44), 86186#(<= ULTIMATE.start_main_~i~4 43), 86189#(<= ULTIMATE.start_main_~i~4 46), 86188#(<= ULTIMATE.start_main_~i~4 45), 86191#(<= ULTIMATE.start_main_~i~4 48), 86190#(<= ULTIMATE.start_main_~i~4 47), 86193#(<= ULTIMATE.start_main_~i~4 50), 86192#(<= ULTIMATE.start_main_~i~4 49), 86195#(<= ULTIMATE.start_main_~i~4 52), 86194#(<= ULTIMATE.start_main_~i~4 51), 86197#(<= ULTIMATE.start_main_~i~4 54), 86196#(<= ULTIMATE.start_main_~i~4 53), 86199#(<= ULTIMATE.start_main_~i~4 56), 86198#(<= ULTIMATE.start_main_~i~4 55), 86201#(<= ULTIMATE.start_main_~i~4 58), 86200#(<= ULTIMATE.start_main_~i~4 57), 86203#(<= ULTIMATE.start_main_~i~4 60), 86202#(<= ULTIMATE.start_main_~i~4 59), 86205#(<= ULTIMATE.start_main_~i~4 62), 86204#(<= ULTIMATE.start_main_~i~4 61), 86207#(<= ULTIMATE.start_main_~i~4 64), 86206#(<= ULTIMATE.start_main_~i~4 63), 86209#(<= ULTIMATE.start_main_~i~4 66), 86208#(<= ULTIMATE.start_main_~i~4 65), 86211#(<= ULTIMATE.start_main_~i~4 68), 86210#(<= ULTIMATE.start_main_~i~4 67), 86213#(<= ULTIMATE.start_main_~i~4 70), 86212#(<= ULTIMATE.start_main_~i~4 69), 86215#(<= ULTIMATE.start_main_~i~4 72), 86214#(<= ULTIMATE.start_main_~i~4 71), 86217#(<= ULTIMATE.start_main_~i~4 74), 86216#(<= ULTIMATE.start_main_~i~4 73), 86219#(<= ULTIMATE.start_main_~i~4 76), 86218#(<= ULTIMATE.start_main_~i~4 75), 86221#(<= ULTIMATE.start_main_~i~4 78), 86220#(<= ULTIMATE.start_main_~i~4 77), 86223#(<= ULTIMATE.start_main_~i~4 80), 86222#(<= ULTIMATE.start_main_~i~4 79), 86225#(<= ULTIMATE.start_main_~i~4 82), 86224#(<= ULTIMATE.start_main_~i~4 81), 86227#(<= ULTIMATE.start_main_~i~4 84), 86226#(<= ULTIMATE.start_main_~i~4 83), 86229#(<= ULTIMATE.start_main_~i~4 86), 86228#(<= ULTIMATE.start_main_~i~4 85), 86231#(<= ULTIMATE.start_main_~i~4 88), 86230#(<= ULTIMATE.start_main_~i~4 87), 86233#(<= ULTIMATE.start_main_~i~4 90), 86232#(<= ULTIMATE.start_main_~i~4 89), 86235#(<= ULTIMATE.start_main_~i~4 92), 86234#(<= ULTIMATE.start_main_~i~4 91), 86237#(<= ULTIMATE.start_main_~i~4 94), 86236#(<= ULTIMATE.start_main_~i~4 93), 86239#(<= ULTIMATE.start_main_~i~4 96), 86238#(<= ULTIMATE.start_main_~i~4 95), 86241#(<= ULTIMATE.start_main_~i~4 98), 86240#(<= ULTIMATE.start_main_~i~4 97), 86243#(<= ULTIMATE.start_main_~i~4 100), 86242#(<= ULTIMATE.start_main_~i~4 99), 86245#(<= ULTIMATE.start_main_~i~4 102), 86244#(<= ULTIMATE.start_main_~i~4 101), 86247#(<= ULTIMATE.start_main_~i~4 104), 86246#(<= ULTIMATE.start_main_~i~4 103), 86249#(<= ULTIMATE.start_main_~i~4 106), 86248#(<= ULTIMATE.start_main_~i~4 105), 86251#(<= ULTIMATE.start_main_~i~4 108), 86250#(<= ULTIMATE.start_main_~i~4 107), 86253#(<= ULTIMATE.start_main_~i~4 110), 86252#(<= ULTIMATE.start_main_~i~4 109), 86255#(<= ULTIMATE.start_main_~i~4 112), 86254#(<= ULTIMATE.start_main_~i~4 111), 86257#(<= ULTIMATE.start_main_~i~4 114), 86256#(<= ULTIMATE.start_main_~i~4 113), 86259#(<= ULTIMATE.start_main_~i~4 116), 86258#(<= ULTIMATE.start_main_~i~4 115), 86261#(<= ULTIMATE.start_main_~i~4 118), 86260#(<= ULTIMATE.start_main_~i~4 117), 86263#(<= ULTIMATE.start_main_~i~4 120), 86262#(<= ULTIMATE.start_main_~i~4 119), 86265#(<= ULTIMATE.start_main_~i~4 122), 86264#(<= ULTIMATE.start_main_~i~4 121), 86267#(<= ULTIMATE.start_main_~i~4 124), 86266#(<= ULTIMATE.start_main_~i~4 123), 86269#(<= ULTIMATE.start_main_~i~4 126), 86268#(<= ULTIMATE.start_main_~i~4 125), 86271#(<= ULTIMATE.start_main_~i~4 128), 86270#(<= ULTIMATE.start_main_~i~4 127)] [2018-07-23 13:43:59,175 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 13:43:59,175 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:43:59,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:43:59,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:43:59,178 INFO L87 Difference]: Start difference. First operand 275 states and 275 transitions. Second operand 138 states. [2018-07-23 13:43:59,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:59,639 INFO L93 Difference]: Finished difference Result 279 states and 279 transitions. [2018-07-23 13:43:59,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:43:59,639 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 274 [2018-07-23 13:43:59,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:59,640 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:43:59,640 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:43:59,641 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 13:43:59,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:43:59,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:43:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:43:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 277 transitions. [2018-07-23 13:43:59,645 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 277 transitions. Word has length 274 [2018-07-23 13:43:59,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:59,645 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 277 transitions. [2018-07-23 13:43:59,645 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:43:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 277 transitions. [2018-07-23 13:43:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:43:59,646 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:59,646 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1, 1] [2018-07-23 13:43:59,646 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:59,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1442092183, now seen corresponding path program 136 times [2018-07-23 13:43:59,646 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:00,104 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 13:44:00,105 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:00,105 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:44:00,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:00,106 INFO L185 omatonBuilderFactory]: Interpolants [87391#true, 87393#(<= ULTIMATE.start_main_~i~4 0), 87392#false, 87395#(<= ULTIMATE.start_main_~i~4 2), 87394#(<= ULTIMATE.start_main_~i~4 1), 87397#(<= ULTIMATE.start_main_~i~4 4), 87396#(<= ULTIMATE.start_main_~i~4 3), 87399#(<= ULTIMATE.start_main_~i~4 6), 87398#(<= ULTIMATE.start_main_~i~4 5), 87401#(<= ULTIMATE.start_main_~i~4 8), 87400#(<= ULTIMATE.start_main_~i~4 7), 87403#(<= ULTIMATE.start_main_~i~4 10), 87402#(<= ULTIMATE.start_main_~i~4 9), 87405#(<= ULTIMATE.start_main_~i~4 12), 87404#(<= ULTIMATE.start_main_~i~4 11), 87407#(<= ULTIMATE.start_main_~i~4 14), 87406#(<= ULTIMATE.start_main_~i~4 13), 87409#(<= ULTIMATE.start_main_~i~4 16), 87408#(<= ULTIMATE.start_main_~i~4 15), 87411#(<= ULTIMATE.start_main_~i~4 18), 87410#(<= ULTIMATE.start_main_~i~4 17), 87413#(<= ULTIMATE.start_main_~i~4 20), 87412#(<= ULTIMATE.start_main_~i~4 19), 87415#(<= ULTIMATE.start_main_~i~4 22), 87414#(<= ULTIMATE.start_main_~i~4 21), 87417#(<= ULTIMATE.start_main_~i~4 24), 87416#(<= ULTIMATE.start_main_~i~4 23), 87419#(<= ULTIMATE.start_main_~i~4 26), 87418#(<= ULTIMATE.start_main_~i~4 25), 87421#(<= ULTIMATE.start_main_~i~4 28), 87420#(<= ULTIMATE.start_main_~i~4 27), 87423#(<= ULTIMATE.start_main_~i~4 30), 87422#(<= ULTIMATE.start_main_~i~4 29), 87425#(<= ULTIMATE.start_main_~i~4 32), 87424#(<= ULTIMATE.start_main_~i~4 31), 87427#(<= ULTIMATE.start_main_~i~4 34), 87426#(<= ULTIMATE.start_main_~i~4 33), 87429#(<= ULTIMATE.start_main_~i~4 36), 87428#(<= ULTIMATE.start_main_~i~4 35), 87431#(<= ULTIMATE.start_main_~i~4 38), 87430#(<= ULTIMATE.start_main_~i~4 37), 87433#(<= ULTIMATE.start_main_~i~4 40), 87432#(<= ULTIMATE.start_main_~i~4 39), 87435#(<= ULTIMATE.start_main_~i~4 42), 87434#(<= ULTIMATE.start_main_~i~4 41), 87437#(<= ULTIMATE.start_main_~i~4 44), 87436#(<= ULTIMATE.start_main_~i~4 43), 87439#(<= ULTIMATE.start_main_~i~4 46), 87438#(<= ULTIMATE.start_main_~i~4 45), 87441#(<= ULTIMATE.start_main_~i~4 48), 87440#(<= ULTIMATE.start_main_~i~4 47), 87443#(<= ULTIMATE.start_main_~i~4 50), 87442#(<= ULTIMATE.start_main_~i~4 49), 87445#(<= ULTIMATE.start_main_~i~4 52), 87444#(<= ULTIMATE.start_main_~i~4 51), 87447#(<= ULTIMATE.start_main_~i~4 54), 87446#(<= ULTIMATE.start_main_~i~4 53), 87449#(<= ULTIMATE.start_main_~i~4 56), 87448#(<= ULTIMATE.start_main_~i~4 55), 87451#(<= ULTIMATE.start_main_~i~4 58), 87450#(<= ULTIMATE.start_main_~i~4 57), 87453#(<= ULTIMATE.start_main_~i~4 60), 87452#(<= ULTIMATE.start_main_~i~4 59), 87455#(<= ULTIMATE.start_main_~i~4 62), 87454#(<= ULTIMATE.start_main_~i~4 61), 87457#(<= ULTIMATE.start_main_~i~4 64), 87456#(<= ULTIMATE.start_main_~i~4 63), 87459#(<= ULTIMATE.start_main_~i~4 66), 87458#(<= ULTIMATE.start_main_~i~4 65), 87461#(<= ULTIMATE.start_main_~i~4 68), 87460#(<= ULTIMATE.start_main_~i~4 67), 87463#(<= ULTIMATE.start_main_~i~4 70), 87462#(<= ULTIMATE.start_main_~i~4 69), 87465#(<= ULTIMATE.start_main_~i~4 72), 87464#(<= ULTIMATE.start_main_~i~4 71), 87467#(<= ULTIMATE.start_main_~i~4 74), 87466#(<= ULTIMATE.start_main_~i~4 73), 87469#(<= ULTIMATE.start_main_~i~4 76), 87468#(<= ULTIMATE.start_main_~i~4 75), 87471#(<= ULTIMATE.start_main_~i~4 78), 87470#(<= ULTIMATE.start_main_~i~4 77), 87473#(<= ULTIMATE.start_main_~i~4 80), 87472#(<= ULTIMATE.start_main_~i~4 79), 87475#(<= ULTIMATE.start_main_~i~4 82), 87474#(<= ULTIMATE.start_main_~i~4 81), 87477#(<= ULTIMATE.start_main_~i~4 84), 87476#(<= ULTIMATE.start_main_~i~4 83), 87479#(<= ULTIMATE.start_main_~i~4 86), 87478#(<= ULTIMATE.start_main_~i~4 85), 87481#(<= ULTIMATE.start_main_~i~4 88), 87480#(<= ULTIMATE.start_main_~i~4 87), 87483#(<= ULTIMATE.start_main_~i~4 90), 87482#(<= ULTIMATE.start_main_~i~4 89), 87485#(<= ULTIMATE.start_main_~i~4 92), 87484#(<= ULTIMATE.start_main_~i~4 91), 87487#(<= ULTIMATE.start_main_~i~4 94), 87486#(<= ULTIMATE.start_main_~i~4 93), 87489#(<= ULTIMATE.start_main_~i~4 96), 87488#(<= ULTIMATE.start_main_~i~4 95), 87491#(<= ULTIMATE.start_main_~i~4 98), 87490#(<= ULTIMATE.start_main_~i~4 97), 87493#(<= ULTIMATE.start_main_~i~4 100), 87492#(<= ULTIMATE.start_main_~i~4 99), 87495#(<= ULTIMATE.start_main_~i~4 102), 87494#(<= ULTIMATE.start_main_~i~4 101), 87497#(<= ULTIMATE.start_main_~i~4 104), 87496#(<= ULTIMATE.start_main_~i~4 103), 87499#(<= ULTIMATE.start_main_~i~4 106), 87498#(<= ULTIMATE.start_main_~i~4 105), 87501#(<= ULTIMATE.start_main_~i~4 108), 87500#(<= ULTIMATE.start_main_~i~4 107), 87503#(<= ULTIMATE.start_main_~i~4 110), 87502#(<= ULTIMATE.start_main_~i~4 109), 87505#(<= ULTIMATE.start_main_~i~4 112), 87504#(<= ULTIMATE.start_main_~i~4 111), 87507#(<= ULTIMATE.start_main_~i~4 114), 87506#(<= ULTIMATE.start_main_~i~4 113), 87509#(<= ULTIMATE.start_main_~i~4 116), 87508#(<= ULTIMATE.start_main_~i~4 115), 87511#(<= ULTIMATE.start_main_~i~4 118), 87510#(<= ULTIMATE.start_main_~i~4 117), 87513#(<= ULTIMATE.start_main_~i~4 120), 87512#(<= ULTIMATE.start_main_~i~4 119), 87515#(<= ULTIMATE.start_main_~i~4 122), 87514#(<= ULTIMATE.start_main_~i~4 121), 87517#(<= ULTIMATE.start_main_~i~4 124), 87516#(<= ULTIMATE.start_main_~i~4 123), 87519#(<= ULTIMATE.start_main_~i~4 126), 87518#(<= ULTIMATE.start_main_~i~4 125), 87521#(<= ULTIMATE.start_main_~i~4 128), 87520#(<= ULTIMATE.start_main_~i~4 127), 87523#(<= ULTIMATE.start_main_~i~4 130), 87522#(<= ULTIMATE.start_main_~i~4 129), 87525#(<= ULTIMATE.start_main_~i~4 132), 87524#(<= ULTIMATE.start_main_~i~4 131), 87527#(<= ULTIMATE.start_main_~i~4 134), 87526#(<= ULTIMATE.start_main_~i~4 133), 87529#(<= ULTIMATE.start_main_~i~4 136), 87528#(<= ULTIMATE.start_main_~i~4 135)] [2018-07-23 13:44:00,107 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 13:44:00,107 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:44:00,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:44:00,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:44:00,110 INFO L87 Difference]: Start difference. First operand 277 states and 277 transitions. Second operand 139 states. [2018-07-23 13:44:00,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:00,509 INFO L93 Difference]: Finished difference Result 281 states and 281 transitions. [2018-07-23 13:44:00,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:44:00,509 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 276 [2018-07-23 13:44:00,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:00,510 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:44:00,510 INFO L226 Difference]: Without dead ends: 279 [2018-07-23 13:44:00,512 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 13:44:00,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-07-23 13:44:00,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-07-23 13:44:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-07-23 13:44:00,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 279 transitions. [2018-07-23 13:44:00,516 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 279 transitions. Word has length 276 [2018-07-23 13:44:00,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:00,516 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 279 transitions. [2018-07-23 13:44:00,516 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:44:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 279 transitions. [2018-07-23 13:44:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-07-23 13:44:00,517 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:00,517 INFO L357 BasicCegarLoop]: trace histogram [138, 137, 1, 1, 1] [2018-07-23 13:44:00,518 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:00,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1423796655, now seen corresponding path program 137 times [2018-07-23 13:44:00,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:01,182 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 13:44:01,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:01,183 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:44:01,183 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:01,183 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 13:44:01,183 INFO L185 omatonBuilderFactory]: Interpolants [88651#false, 88650#true, 88653#(<= ULTIMATE.start_main_~i~4 1), 88652#(<= ULTIMATE.start_main_~i~4 0), 88655#(<= ULTIMATE.start_main_~i~4 3), 88654#(<= ULTIMATE.start_main_~i~4 2), 88657#(<= ULTIMATE.start_main_~i~4 5), 88656#(<= ULTIMATE.start_main_~i~4 4), 88659#(<= ULTIMATE.start_main_~i~4 7), 88658#(<= ULTIMATE.start_main_~i~4 6), 88661#(<= ULTIMATE.start_main_~i~4 9), 88660#(<= ULTIMATE.start_main_~i~4 8), 88663#(<= ULTIMATE.start_main_~i~4 11), 88662#(<= ULTIMATE.start_main_~i~4 10), 88665#(<= ULTIMATE.start_main_~i~4 13), 88664#(<= ULTIMATE.start_main_~i~4 12), 88667#(<= ULTIMATE.start_main_~i~4 15), 88666#(<= ULTIMATE.start_main_~i~4 14), 88669#(<= ULTIMATE.start_main_~i~4 17), 88668#(<= ULTIMATE.start_main_~i~4 16), 88671#(<= ULTIMATE.start_main_~i~4 19), 88670#(<= ULTIMATE.start_main_~i~4 18), 88673#(<= ULTIMATE.start_main_~i~4 21), 88672#(<= ULTIMATE.start_main_~i~4 20), 88675#(<= ULTIMATE.start_main_~i~4 23), 88674#(<= ULTIMATE.start_main_~i~4 22), 88677#(<= ULTIMATE.start_main_~i~4 25), 88676#(<= ULTIMATE.start_main_~i~4 24), 88679#(<= ULTIMATE.start_main_~i~4 27), 88678#(<= ULTIMATE.start_main_~i~4 26), 88681#(<= ULTIMATE.start_main_~i~4 29), 88680#(<= ULTIMATE.start_main_~i~4 28), 88683#(<= ULTIMATE.start_main_~i~4 31), 88682#(<= ULTIMATE.start_main_~i~4 30), 88685#(<= ULTIMATE.start_main_~i~4 33), 88684#(<= ULTIMATE.start_main_~i~4 32), 88687#(<= ULTIMATE.start_main_~i~4 35), 88686#(<= ULTIMATE.start_main_~i~4 34), 88689#(<= ULTIMATE.start_main_~i~4 37), 88688#(<= ULTIMATE.start_main_~i~4 36), 88691#(<= ULTIMATE.start_main_~i~4 39), 88690#(<= ULTIMATE.start_main_~i~4 38), 88693#(<= ULTIMATE.start_main_~i~4 41), 88692#(<= ULTIMATE.start_main_~i~4 40), 88695#(<= ULTIMATE.start_main_~i~4 43), 88694#(<= ULTIMATE.start_main_~i~4 42), 88697#(<= ULTIMATE.start_main_~i~4 45), 88696#(<= ULTIMATE.start_main_~i~4 44), 88699#(<= ULTIMATE.start_main_~i~4 47), 88698#(<= ULTIMATE.start_main_~i~4 46), 88701#(<= ULTIMATE.start_main_~i~4 49), 88700#(<= ULTIMATE.start_main_~i~4 48), 88703#(<= ULTIMATE.start_main_~i~4 51), 88702#(<= ULTIMATE.start_main_~i~4 50), 88705#(<= ULTIMATE.start_main_~i~4 53), 88704#(<= ULTIMATE.start_main_~i~4 52), 88707#(<= ULTIMATE.start_main_~i~4 55), 88706#(<= ULTIMATE.start_main_~i~4 54), 88709#(<= ULTIMATE.start_main_~i~4 57), 88708#(<= ULTIMATE.start_main_~i~4 56), 88711#(<= ULTIMATE.start_main_~i~4 59), 88710#(<= ULTIMATE.start_main_~i~4 58), 88713#(<= ULTIMATE.start_main_~i~4 61), 88712#(<= ULTIMATE.start_main_~i~4 60), 88715#(<= ULTIMATE.start_main_~i~4 63), 88714#(<= ULTIMATE.start_main_~i~4 62), 88717#(<= ULTIMATE.start_main_~i~4 65), 88716#(<= ULTIMATE.start_main_~i~4 64), 88719#(<= ULTIMATE.start_main_~i~4 67), 88718#(<= ULTIMATE.start_main_~i~4 66), 88721#(<= ULTIMATE.start_main_~i~4 69), 88720#(<= ULTIMATE.start_main_~i~4 68), 88723#(<= ULTIMATE.start_main_~i~4 71), 88722#(<= ULTIMATE.start_main_~i~4 70), 88725#(<= ULTIMATE.start_main_~i~4 73), 88724#(<= ULTIMATE.start_main_~i~4 72), 88727#(<= ULTIMATE.start_main_~i~4 75), 88726#(<= ULTIMATE.start_main_~i~4 74), 88729#(<= ULTIMATE.start_main_~i~4 77), 88728#(<= ULTIMATE.start_main_~i~4 76), 88731#(<= ULTIMATE.start_main_~i~4 79), 88730#(<= ULTIMATE.start_main_~i~4 78), 88733#(<= ULTIMATE.start_main_~i~4 81), 88732#(<= ULTIMATE.start_main_~i~4 80), 88735#(<= ULTIMATE.start_main_~i~4 83), 88734#(<= ULTIMATE.start_main_~i~4 82), 88737#(<= ULTIMATE.start_main_~i~4 85), 88736#(<= ULTIMATE.start_main_~i~4 84), 88739#(<= ULTIMATE.start_main_~i~4 87), 88738#(<= ULTIMATE.start_main_~i~4 86), 88741#(<= ULTIMATE.start_main_~i~4 89), 88740#(<= ULTIMATE.start_main_~i~4 88), 88743#(<= ULTIMATE.start_main_~i~4 91), 88742#(<= ULTIMATE.start_main_~i~4 90), 88745#(<= ULTIMATE.start_main_~i~4 93), 88744#(<= ULTIMATE.start_main_~i~4 92), 88747#(<= ULTIMATE.start_main_~i~4 95), 88746#(<= ULTIMATE.start_main_~i~4 94), 88749#(<= ULTIMATE.start_main_~i~4 97), 88748#(<= ULTIMATE.start_main_~i~4 96), 88751#(<= ULTIMATE.start_main_~i~4 99), 88750#(<= ULTIMATE.start_main_~i~4 98), 88753#(<= ULTIMATE.start_main_~i~4 101), 88752#(<= ULTIMATE.start_main_~i~4 100), 88755#(<= ULTIMATE.start_main_~i~4 103), 88754#(<= ULTIMATE.start_main_~i~4 102), 88757#(<= ULTIMATE.start_main_~i~4 105), 88756#(<= ULTIMATE.start_main_~i~4 104), 88759#(<= ULTIMATE.start_main_~i~4 107), 88758#(<= ULTIMATE.start_main_~i~4 106), 88761#(<= ULTIMATE.start_main_~i~4 109), 88760#(<= ULTIMATE.start_main_~i~4 108), 88763#(<= ULTIMATE.start_main_~i~4 111), 88762#(<= ULTIMATE.start_main_~i~4 110), 88765#(<= ULTIMATE.start_main_~i~4 113), 88764#(<= ULTIMATE.start_main_~i~4 112), 88767#(<= ULTIMATE.start_main_~i~4 115), 88766#(<= ULTIMATE.start_main_~i~4 114), 88769#(<= ULTIMATE.start_main_~i~4 117), 88768#(<= ULTIMATE.start_main_~i~4 116), 88771#(<= ULTIMATE.start_main_~i~4 119), 88770#(<= ULTIMATE.start_main_~i~4 118), 88773#(<= ULTIMATE.start_main_~i~4 121), 88772#(<= ULTIMATE.start_main_~i~4 120), 88775#(<= ULTIMATE.start_main_~i~4 123), 88774#(<= ULTIMATE.start_main_~i~4 122), 88777#(<= ULTIMATE.start_main_~i~4 125), 88776#(<= ULTIMATE.start_main_~i~4 124), 88779#(<= ULTIMATE.start_main_~i~4 127), 88778#(<= ULTIMATE.start_main_~i~4 126), 88781#(<= ULTIMATE.start_main_~i~4 129), 88780#(<= ULTIMATE.start_main_~i~4 128), 88783#(<= ULTIMATE.start_main_~i~4 131), 88782#(<= ULTIMATE.start_main_~i~4 130), 88785#(<= ULTIMATE.start_main_~i~4 133), 88784#(<= ULTIMATE.start_main_~i~4 132), 88787#(<= ULTIMATE.start_main_~i~4 135), 88786#(<= ULTIMATE.start_main_~i~4 134), 88789#(<= ULTIMATE.start_main_~i~4 137), 88788#(<= ULTIMATE.start_main_~i~4 136)] [2018-07-23 13:44:01,184 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 13:44:01,184 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:44:01,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:44:01,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:44:01,186 INFO L87 Difference]: Start difference. First operand 279 states and 279 transitions. Second operand 140 states. [2018-07-23 13:44:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:01,579 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-07-23 13:44:01,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:44:01,579 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 278 [2018-07-23 13:44:01,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:01,580 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:44:01,580 INFO L226 Difference]: Without dead ends: 281 [2018-07-23 13:44:01,580 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:44:01,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-07-23 13:44:01,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-07-23 13:44:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-07-23 13:44:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 281 transitions. [2018-07-23 13:44:01,584 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 281 transitions. Word has length 278 [2018-07-23 13:44:01,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:01,585 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 281 transitions. [2018-07-23 13:44:01,585 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:44:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 281 transitions. [2018-07-23 13:44:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-07-23 13:44:01,586 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:01,586 INFO L357 BasicCegarLoop]: trace histogram [139, 138, 1, 1, 1] [2018-07-23 13:44:01,586 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:01,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1826034059, now seen corresponding path program 138 times [2018-07-23 13:44:01,587 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:02,097 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 13:44:02,097 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:02,097 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:44:02,097 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:02,098 INFO L185 omatonBuilderFactory]: Interpolants [89919#false, 89918#true, 89921#(<= ULTIMATE.start_main_~i~4 1), 89920#(<= ULTIMATE.start_main_~i~4 0), 89923#(<= ULTIMATE.start_main_~i~4 3), 89922#(<= ULTIMATE.start_main_~i~4 2), 89925#(<= ULTIMATE.start_main_~i~4 5), 89924#(<= ULTIMATE.start_main_~i~4 4), 89927#(<= ULTIMATE.start_main_~i~4 7), 89926#(<= ULTIMATE.start_main_~i~4 6), 89929#(<= ULTIMATE.start_main_~i~4 9), 89928#(<= ULTIMATE.start_main_~i~4 8), 89931#(<= ULTIMATE.start_main_~i~4 11), 89930#(<= ULTIMATE.start_main_~i~4 10), 89933#(<= ULTIMATE.start_main_~i~4 13), 89932#(<= ULTIMATE.start_main_~i~4 12), 89935#(<= ULTIMATE.start_main_~i~4 15), 89934#(<= ULTIMATE.start_main_~i~4 14), 89937#(<= ULTIMATE.start_main_~i~4 17), 89936#(<= ULTIMATE.start_main_~i~4 16), 89939#(<= ULTIMATE.start_main_~i~4 19), 89938#(<= ULTIMATE.start_main_~i~4 18), 89941#(<= ULTIMATE.start_main_~i~4 21), 89940#(<= ULTIMATE.start_main_~i~4 20), 89943#(<= ULTIMATE.start_main_~i~4 23), 89942#(<= ULTIMATE.start_main_~i~4 22), 89945#(<= ULTIMATE.start_main_~i~4 25), 89944#(<= ULTIMATE.start_main_~i~4 24), 89947#(<= ULTIMATE.start_main_~i~4 27), 89946#(<= ULTIMATE.start_main_~i~4 26), 89949#(<= ULTIMATE.start_main_~i~4 29), 89948#(<= ULTIMATE.start_main_~i~4 28), 89951#(<= ULTIMATE.start_main_~i~4 31), 89950#(<= ULTIMATE.start_main_~i~4 30), 89953#(<= ULTIMATE.start_main_~i~4 33), 89952#(<= ULTIMATE.start_main_~i~4 32), 89955#(<= ULTIMATE.start_main_~i~4 35), 89954#(<= ULTIMATE.start_main_~i~4 34), 89957#(<= ULTIMATE.start_main_~i~4 37), 89956#(<= ULTIMATE.start_main_~i~4 36), 89959#(<= ULTIMATE.start_main_~i~4 39), 89958#(<= ULTIMATE.start_main_~i~4 38), 89961#(<= ULTIMATE.start_main_~i~4 41), 89960#(<= ULTIMATE.start_main_~i~4 40), 89963#(<= ULTIMATE.start_main_~i~4 43), 89962#(<= ULTIMATE.start_main_~i~4 42), 89965#(<= ULTIMATE.start_main_~i~4 45), 89964#(<= ULTIMATE.start_main_~i~4 44), 89967#(<= ULTIMATE.start_main_~i~4 47), 89966#(<= ULTIMATE.start_main_~i~4 46), 89969#(<= ULTIMATE.start_main_~i~4 49), 89968#(<= ULTIMATE.start_main_~i~4 48), 89971#(<= ULTIMATE.start_main_~i~4 51), 89970#(<= ULTIMATE.start_main_~i~4 50), 89973#(<= ULTIMATE.start_main_~i~4 53), 89972#(<= ULTIMATE.start_main_~i~4 52), 89975#(<= ULTIMATE.start_main_~i~4 55), 89974#(<= ULTIMATE.start_main_~i~4 54), 89977#(<= ULTIMATE.start_main_~i~4 57), 89976#(<= ULTIMATE.start_main_~i~4 56), 89979#(<= ULTIMATE.start_main_~i~4 59), 89978#(<= ULTIMATE.start_main_~i~4 58), 89981#(<= ULTIMATE.start_main_~i~4 61), 89980#(<= ULTIMATE.start_main_~i~4 60), 89983#(<= ULTIMATE.start_main_~i~4 63), 89982#(<= ULTIMATE.start_main_~i~4 62), 89985#(<= ULTIMATE.start_main_~i~4 65), 89984#(<= ULTIMATE.start_main_~i~4 64), 89987#(<= ULTIMATE.start_main_~i~4 67), 89986#(<= ULTIMATE.start_main_~i~4 66), 89989#(<= ULTIMATE.start_main_~i~4 69), 89988#(<= ULTIMATE.start_main_~i~4 68), 89991#(<= ULTIMATE.start_main_~i~4 71), 89990#(<= ULTIMATE.start_main_~i~4 70), 89993#(<= ULTIMATE.start_main_~i~4 73), 89992#(<= ULTIMATE.start_main_~i~4 72), 89995#(<= ULTIMATE.start_main_~i~4 75), 89994#(<= ULTIMATE.start_main_~i~4 74), 89997#(<= ULTIMATE.start_main_~i~4 77), 89996#(<= ULTIMATE.start_main_~i~4 76), 89999#(<= ULTIMATE.start_main_~i~4 79), 89998#(<= ULTIMATE.start_main_~i~4 78), 90001#(<= ULTIMATE.start_main_~i~4 81), 90000#(<= ULTIMATE.start_main_~i~4 80), 90003#(<= ULTIMATE.start_main_~i~4 83), 90002#(<= ULTIMATE.start_main_~i~4 82), 90005#(<= ULTIMATE.start_main_~i~4 85), 90004#(<= ULTIMATE.start_main_~i~4 84), 90007#(<= ULTIMATE.start_main_~i~4 87), 90006#(<= ULTIMATE.start_main_~i~4 86), 90009#(<= ULTIMATE.start_main_~i~4 89), 90008#(<= ULTIMATE.start_main_~i~4 88), 90011#(<= ULTIMATE.start_main_~i~4 91), 90010#(<= ULTIMATE.start_main_~i~4 90), 90013#(<= ULTIMATE.start_main_~i~4 93), 90012#(<= ULTIMATE.start_main_~i~4 92), 90015#(<= ULTIMATE.start_main_~i~4 95), 90014#(<= ULTIMATE.start_main_~i~4 94), 90017#(<= ULTIMATE.start_main_~i~4 97), 90016#(<= ULTIMATE.start_main_~i~4 96), 90019#(<= ULTIMATE.start_main_~i~4 99), 90018#(<= ULTIMATE.start_main_~i~4 98), 90021#(<= ULTIMATE.start_main_~i~4 101), 90020#(<= ULTIMATE.start_main_~i~4 100), 90023#(<= ULTIMATE.start_main_~i~4 103), 90022#(<= ULTIMATE.start_main_~i~4 102), 90025#(<= ULTIMATE.start_main_~i~4 105), 90024#(<= ULTIMATE.start_main_~i~4 104), 90027#(<= ULTIMATE.start_main_~i~4 107), 90026#(<= ULTIMATE.start_main_~i~4 106), 90029#(<= ULTIMATE.start_main_~i~4 109), 90028#(<= ULTIMATE.start_main_~i~4 108), 90031#(<= ULTIMATE.start_main_~i~4 111), 90030#(<= ULTIMATE.start_main_~i~4 110), 90033#(<= ULTIMATE.start_main_~i~4 113), 90032#(<= ULTIMATE.start_main_~i~4 112), 90035#(<= ULTIMATE.start_main_~i~4 115), 90034#(<= ULTIMATE.start_main_~i~4 114), 90037#(<= ULTIMATE.start_main_~i~4 117), 90036#(<= ULTIMATE.start_main_~i~4 116), 90039#(<= ULTIMATE.start_main_~i~4 119), 90038#(<= ULTIMATE.start_main_~i~4 118), 90041#(<= ULTIMATE.start_main_~i~4 121), 90040#(<= ULTIMATE.start_main_~i~4 120), 90043#(<= ULTIMATE.start_main_~i~4 123), 90042#(<= ULTIMATE.start_main_~i~4 122), 90045#(<= ULTIMATE.start_main_~i~4 125), 90044#(<= ULTIMATE.start_main_~i~4 124), 90047#(<= ULTIMATE.start_main_~i~4 127), 90046#(<= ULTIMATE.start_main_~i~4 126), 90049#(<= ULTIMATE.start_main_~i~4 129), 90048#(<= ULTIMATE.start_main_~i~4 128), 90051#(<= ULTIMATE.start_main_~i~4 131), 90050#(<= ULTIMATE.start_main_~i~4 130), 90053#(<= ULTIMATE.start_main_~i~4 133), 90052#(<= ULTIMATE.start_main_~i~4 132), 90055#(<= ULTIMATE.start_main_~i~4 135), 90054#(<= ULTIMATE.start_main_~i~4 134), 90057#(<= ULTIMATE.start_main_~i~4 137), 90056#(<= ULTIMATE.start_main_~i~4 136), 90058#(<= ULTIMATE.start_main_~i~4 138)] [2018-07-23 13:44:02,099 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 13:44:02,099 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:44:02,100 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:44:02,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:44:02,101 INFO L87 Difference]: Start difference. First operand 281 states and 281 transitions. Second operand 141 states. [2018-07-23 13:44:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:02,506 INFO L93 Difference]: Finished difference Result 285 states and 285 transitions. [2018-07-23 13:44:02,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:44:02,506 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 280 [2018-07-23 13:44:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:02,507 INFO L225 Difference]: With dead ends: 285 [2018-07-23 13:44:02,507 INFO L226 Difference]: Without dead ends: 283 [2018-07-23 13:44:02,508 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 13:44:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-07-23 13:44:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-07-23 13:44:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-07-23 13:44:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 283 transitions. [2018-07-23 13:44:02,511 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 283 transitions. Word has length 280 [2018-07-23 13:44:02,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:02,512 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 283 transitions. [2018-07-23 13:44:02,512 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:44:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 283 transitions. [2018-07-23 13:44:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-07-23 13:44:02,512 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:02,513 INFO L357 BasicCegarLoop]: trace histogram [140, 139, 1, 1, 1] [2018-07-23 13:44:02,513 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:02,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1822841275, now seen corresponding path program 139 times [2018-07-23 13:44:02,513 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:03,102 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 13:44:03,102 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:03,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:44:03,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:03,103 INFO L185 omatonBuilderFactory]: Interpolants [91195#true, 91197#(<= ULTIMATE.start_main_~i~4 0), 91196#false, 91199#(<= ULTIMATE.start_main_~i~4 2), 91198#(<= ULTIMATE.start_main_~i~4 1), 91201#(<= ULTIMATE.start_main_~i~4 4), 91200#(<= ULTIMATE.start_main_~i~4 3), 91203#(<= ULTIMATE.start_main_~i~4 6), 91202#(<= ULTIMATE.start_main_~i~4 5), 91205#(<= ULTIMATE.start_main_~i~4 8), 91204#(<= ULTIMATE.start_main_~i~4 7), 91207#(<= ULTIMATE.start_main_~i~4 10), 91206#(<= ULTIMATE.start_main_~i~4 9), 91209#(<= ULTIMATE.start_main_~i~4 12), 91208#(<= ULTIMATE.start_main_~i~4 11), 91211#(<= ULTIMATE.start_main_~i~4 14), 91210#(<= ULTIMATE.start_main_~i~4 13), 91213#(<= ULTIMATE.start_main_~i~4 16), 91212#(<= ULTIMATE.start_main_~i~4 15), 91215#(<= ULTIMATE.start_main_~i~4 18), 91214#(<= ULTIMATE.start_main_~i~4 17), 91217#(<= ULTIMATE.start_main_~i~4 20), 91216#(<= ULTIMATE.start_main_~i~4 19), 91219#(<= ULTIMATE.start_main_~i~4 22), 91218#(<= ULTIMATE.start_main_~i~4 21), 91221#(<= ULTIMATE.start_main_~i~4 24), 91220#(<= ULTIMATE.start_main_~i~4 23), 91223#(<= ULTIMATE.start_main_~i~4 26), 91222#(<= ULTIMATE.start_main_~i~4 25), 91225#(<= ULTIMATE.start_main_~i~4 28), 91224#(<= ULTIMATE.start_main_~i~4 27), 91227#(<= ULTIMATE.start_main_~i~4 30), 91226#(<= ULTIMATE.start_main_~i~4 29), 91229#(<= ULTIMATE.start_main_~i~4 32), 91228#(<= ULTIMATE.start_main_~i~4 31), 91231#(<= ULTIMATE.start_main_~i~4 34), 91230#(<= ULTIMATE.start_main_~i~4 33), 91233#(<= ULTIMATE.start_main_~i~4 36), 91232#(<= ULTIMATE.start_main_~i~4 35), 91235#(<= ULTIMATE.start_main_~i~4 38), 91234#(<= ULTIMATE.start_main_~i~4 37), 91237#(<= ULTIMATE.start_main_~i~4 40), 91236#(<= ULTIMATE.start_main_~i~4 39), 91239#(<= ULTIMATE.start_main_~i~4 42), 91238#(<= ULTIMATE.start_main_~i~4 41), 91241#(<= ULTIMATE.start_main_~i~4 44), 91240#(<= ULTIMATE.start_main_~i~4 43), 91243#(<= ULTIMATE.start_main_~i~4 46), 91242#(<= ULTIMATE.start_main_~i~4 45), 91245#(<= ULTIMATE.start_main_~i~4 48), 91244#(<= ULTIMATE.start_main_~i~4 47), 91247#(<= ULTIMATE.start_main_~i~4 50), 91246#(<= ULTIMATE.start_main_~i~4 49), 91249#(<= ULTIMATE.start_main_~i~4 52), 91248#(<= ULTIMATE.start_main_~i~4 51), 91251#(<= ULTIMATE.start_main_~i~4 54), 91250#(<= ULTIMATE.start_main_~i~4 53), 91253#(<= ULTIMATE.start_main_~i~4 56), 91252#(<= ULTIMATE.start_main_~i~4 55), 91255#(<= ULTIMATE.start_main_~i~4 58), 91254#(<= ULTIMATE.start_main_~i~4 57), 91257#(<= ULTIMATE.start_main_~i~4 60), 91256#(<= ULTIMATE.start_main_~i~4 59), 91259#(<= ULTIMATE.start_main_~i~4 62), 91258#(<= ULTIMATE.start_main_~i~4 61), 91261#(<= ULTIMATE.start_main_~i~4 64), 91260#(<= ULTIMATE.start_main_~i~4 63), 91263#(<= ULTIMATE.start_main_~i~4 66), 91262#(<= ULTIMATE.start_main_~i~4 65), 91265#(<= ULTIMATE.start_main_~i~4 68), 91264#(<= ULTIMATE.start_main_~i~4 67), 91267#(<= ULTIMATE.start_main_~i~4 70), 91266#(<= ULTIMATE.start_main_~i~4 69), 91269#(<= ULTIMATE.start_main_~i~4 72), 91268#(<= ULTIMATE.start_main_~i~4 71), 91271#(<= ULTIMATE.start_main_~i~4 74), 91270#(<= ULTIMATE.start_main_~i~4 73), 91273#(<= ULTIMATE.start_main_~i~4 76), 91272#(<= ULTIMATE.start_main_~i~4 75), 91275#(<= ULTIMATE.start_main_~i~4 78), 91274#(<= ULTIMATE.start_main_~i~4 77), 91277#(<= ULTIMATE.start_main_~i~4 80), 91276#(<= ULTIMATE.start_main_~i~4 79), 91279#(<= ULTIMATE.start_main_~i~4 82), 91278#(<= ULTIMATE.start_main_~i~4 81), 91281#(<= ULTIMATE.start_main_~i~4 84), 91280#(<= ULTIMATE.start_main_~i~4 83), 91283#(<= ULTIMATE.start_main_~i~4 86), 91282#(<= ULTIMATE.start_main_~i~4 85), 91285#(<= ULTIMATE.start_main_~i~4 88), 91284#(<= ULTIMATE.start_main_~i~4 87), 91287#(<= ULTIMATE.start_main_~i~4 90), 91286#(<= ULTIMATE.start_main_~i~4 89), 91289#(<= ULTIMATE.start_main_~i~4 92), 91288#(<= ULTIMATE.start_main_~i~4 91), 91291#(<= ULTIMATE.start_main_~i~4 94), 91290#(<= ULTIMATE.start_main_~i~4 93), 91293#(<= ULTIMATE.start_main_~i~4 96), 91292#(<= ULTIMATE.start_main_~i~4 95), 91295#(<= ULTIMATE.start_main_~i~4 98), 91294#(<= ULTIMATE.start_main_~i~4 97), 91297#(<= ULTIMATE.start_main_~i~4 100), 91296#(<= ULTIMATE.start_main_~i~4 99), 91299#(<= ULTIMATE.start_main_~i~4 102), 91298#(<= ULTIMATE.start_main_~i~4 101), 91301#(<= ULTIMATE.start_main_~i~4 104), 91300#(<= ULTIMATE.start_main_~i~4 103), 91303#(<= ULTIMATE.start_main_~i~4 106), 91302#(<= ULTIMATE.start_main_~i~4 105), 91305#(<= ULTIMATE.start_main_~i~4 108), 91304#(<= ULTIMATE.start_main_~i~4 107), 91307#(<= ULTIMATE.start_main_~i~4 110), 91306#(<= ULTIMATE.start_main_~i~4 109), 91309#(<= ULTIMATE.start_main_~i~4 112), 91308#(<= ULTIMATE.start_main_~i~4 111), 91311#(<= ULTIMATE.start_main_~i~4 114), 91310#(<= ULTIMATE.start_main_~i~4 113), 91313#(<= ULTIMATE.start_main_~i~4 116), 91312#(<= ULTIMATE.start_main_~i~4 115), 91315#(<= ULTIMATE.start_main_~i~4 118), 91314#(<= ULTIMATE.start_main_~i~4 117), 91317#(<= ULTIMATE.start_main_~i~4 120), 91316#(<= ULTIMATE.start_main_~i~4 119), 91319#(<= ULTIMATE.start_main_~i~4 122), 91318#(<= ULTIMATE.start_main_~i~4 121), 91321#(<= ULTIMATE.start_main_~i~4 124), 91320#(<= ULTIMATE.start_main_~i~4 123), 91323#(<= ULTIMATE.start_main_~i~4 126), 91322#(<= ULTIMATE.start_main_~i~4 125), 91325#(<= ULTIMATE.start_main_~i~4 128), 91324#(<= ULTIMATE.start_main_~i~4 127), 91327#(<= ULTIMATE.start_main_~i~4 130), 91326#(<= ULTIMATE.start_main_~i~4 129), 91329#(<= ULTIMATE.start_main_~i~4 132), 91328#(<= ULTIMATE.start_main_~i~4 131), 91331#(<= ULTIMATE.start_main_~i~4 134), 91330#(<= ULTIMATE.start_main_~i~4 133), 91333#(<= ULTIMATE.start_main_~i~4 136), 91332#(<= ULTIMATE.start_main_~i~4 135), 91335#(<= ULTIMATE.start_main_~i~4 138), 91334#(<= ULTIMATE.start_main_~i~4 137), 91336#(<= ULTIMATE.start_main_~i~4 139)] [2018-07-23 13:44:03,104 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 13:44:03,104 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:44:03,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:44:03,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:44:03,106 INFO L87 Difference]: Start difference. First operand 283 states and 283 transitions. Second operand 142 states. [2018-07-23 13:44:03,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:03,523 INFO L93 Difference]: Finished difference Result 287 states and 287 transitions. [2018-07-23 13:44:03,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:44:03,523 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 282 [2018-07-23 13:44:03,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:03,524 INFO L225 Difference]: With dead ends: 287 [2018-07-23 13:44:03,524 INFO L226 Difference]: Without dead ends: 285 [2018-07-23 13:44:03,525 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:44:03,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-07-23 13:44:03,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-07-23 13:44:03,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-07-23 13:44:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 285 transitions. [2018-07-23 13:44:03,528 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 285 transitions. Word has length 282 [2018-07-23 13:44:03,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:03,528 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 285 transitions. [2018-07-23 13:44:03,528 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:44:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 285 transitions. [2018-07-23 13:44:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-07-23 13:44:03,529 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:03,529 INFO L357 BasicCegarLoop]: trace histogram [141, 140, 1, 1, 1] [2018-07-23 13:44:03,529 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:03,529 INFO L82 PathProgramCache]: Analyzing trace with hash 596243583, now seen corresponding path program 140 times [2018-07-23 13:44:03,529 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:04,011 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 13:44:04,011 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:04,011 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:44:04,012 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:04,012 INFO L185 omatonBuilderFactory]: Interpolants [92481#true, 92483#(<= ULTIMATE.start_main_~i~4 0), 92482#false, 92485#(<= ULTIMATE.start_main_~i~4 2), 92484#(<= ULTIMATE.start_main_~i~4 1), 92487#(<= ULTIMATE.start_main_~i~4 4), 92486#(<= ULTIMATE.start_main_~i~4 3), 92489#(<= ULTIMATE.start_main_~i~4 6), 92488#(<= ULTIMATE.start_main_~i~4 5), 92491#(<= ULTIMATE.start_main_~i~4 8), 92490#(<= ULTIMATE.start_main_~i~4 7), 92493#(<= ULTIMATE.start_main_~i~4 10), 92492#(<= ULTIMATE.start_main_~i~4 9), 92495#(<= ULTIMATE.start_main_~i~4 12), 92494#(<= ULTIMATE.start_main_~i~4 11), 92497#(<= ULTIMATE.start_main_~i~4 14), 92496#(<= ULTIMATE.start_main_~i~4 13), 92499#(<= ULTIMATE.start_main_~i~4 16), 92498#(<= ULTIMATE.start_main_~i~4 15), 92501#(<= ULTIMATE.start_main_~i~4 18), 92500#(<= ULTIMATE.start_main_~i~4 17), 92503#(<= ULTIMATE.start_main_~i~4 20), 92502#(<= ULTIMATE.start_main_~i~4 19), 92505#(<= ULTIMATE.start_main_~i~4 22), 92504#(<= ULTIMATE.start_main_~i~4 21), 92507#(<= ULTIMATE.start_main_~i~4 24), 92506#(<= ULTIMATE.start_main_~i~4 23), 92509#(<= ULTIMATE.start_main_~i~4 26), 92508#(<= ULTIMATE.start_main_~i~4 25), 92511#(<= ULTIMATE.start_main_~i~4 28), 92510#(<= ULTIMATE.start_main_~i~4 27), 92513#(<= ULTIMATE.start_main_~i~4 30), 92512#(<= ULTIMATE.start_main_~i~4 29), 92515#(<= ULTIMATE.start_main_~i~4 32), 92514#(<= ULTIMATE.start_main_~i~4 31), 92517#(<= ULTIMATE.start_main_~i~4 34), 92516#(<= ULTIMATE.start_main_~i~4 33), 92519#(<= ULTIMATE.start_main_~i~4 36), 92518#(<= ULTIMATE.start_main_~i~4 35), 92521#(<= ULTIMATE.start_main_~i~4 38), 92520#(<= ULTIMATE.start_main_~i~4 37), 92523#(<= ULTIMATE.start_main_~i~4 40), 92522#(<= ULTIMATE.start_main_~i~4 39), 92525#(<= ULTIMATE.start_main_~i~4 42), 92524#(<= ULTIMATE.start_main_~i~4 41), 92527#(<= ULTIMATE.start_main_~i~4 44), 92526#(<= ULTIMATE.start_main_~i~4 43), 92529#(<= ULTIMATE.start_main_~i~4 46), 92528#(<= ULTIMATE.start_main_~i~4 45), 92531#(<= ULTIMATE.start_main_~i~4 48), 92530#(<= ULTIMATE.start_main_~i~4 47), 92533#(<= ULTIMATE.start_main_~i~4 50), 92532#(<= ULTIMATE.start_main_~i~4 49), 92535#(<= ULTIMATE.start_main_~i~4 52), 92534#(<= ULTIMATE.start_main_~i~4 51), 92537#(<= ULTIMATE.start_main_~i~4 54), 92536#(<= ULTIMATE.start_main_~i~4 53), 92539#(<= ULTIMATE.start_main_~i~4 56), 92538#(<= ULTIMATE.start_main_~i~4 55), 92541#(<= ULTIMATE.start_main_~i~4 58), 92540#(<= ULTIMATE.start_main_~i~4 57), 92543#(<= ULTIMATE.start_main_~i~4 60), 92542#(<= ULTIMATE.start_main_~i~4 59), 92545#(<= ULTIMATE.start_main_~i~4 62), 92544#(<= ULTIMATE.start_main_~i~4 61), 92547#(<= ULTIMATE.start_main_~i~4 64), 92546#(<= ULTIMATE.start_main_~i~4 63), 92549#(<= ULTIMATE.start_main_~i~4 66), 92548#(<= ULTIMATE.start_main_~i~4 65), 92551#(<= ULTIMATE.start_main_~i~4 68), 92550#(<= ULTIMATE.start_main_~i~4 67), 92553#(<= ULTIMATE.start_main_~i~4 70), 92552#(<= ULTIMATE.start_main_~i~4 69), 92555#(<= ULTIMATE.start_main_~i~4 72), 92554#(<= ULTIMATE.start_main_~i~4 71), 92557#(<= ULTIMATE.start_main_~i~4 74), 92556#(<= ULTIMATE.start_main_~i~4 73), 92559#(<= ULTIMATE.start_main_~i~4 76), 92558#(<= ULTIMATE.start_main_~i~4 75), 92561#(<= ULTIMATE.start_main_~i~4 78), 92560#(<= ULTIMATE.start_main_~i~4 77), 92563#(<= ULTIMATE.start_main_~i~4 80), 92562#(<= ULTIMATE.start_main_~i~4 79), 92565#(<= ULTIMATE.start_main_~i~4 82), 92564#(<= ULTIMATE.start_main_~i~4 81), 92567#(<= ULTIMATE.start_main_~i~4 84), 92566#(<= ULTIMATE.start_main_~i~4 83), 92569#(<= ULTIMATE.start_main_~i~4 86), 92568#(<= ULTIMATE.start_main_~i~4 85), 92571#(<= ULTIMATE.start_main_~i~4 88), 92570#(<= ULTIMATE.start_main_~i~4 87), 92573#(<= ULTIMATE.start_main_~i~4 90), 92572#(<= ULTIMATE.start_main_~i~4 89), 92575#(<= ULTIMATE.start_main_~i~4 92), 92574#(<= ULTIMATE.start_main_~i~4 91), 92577#(<= ULTIMATE.start_main_~i~4 94), 92576#(<= ULTIMATE.start_main_~i~4 93), 92579#(<= ULTIMATE.start_main_~i~4 96), 92578#(<= ULTIMATE.start_main_~i~4 95), 92581#(<= ULTIMATE.start_main_~i~4 98), 92580#(<= ULTIMATE.start_main_~i~4 97), 92583#(<= ULTIMATE.start_main_~i~4 100), 92582#(<= ULTIMATE.start_main_~i~4 99), 92585#(<= ULTIMATE.start_main_~i~4 102), 92584#(<= ULTIMATE.start_main_~i~4 101), 92587#(<= ULTIMATE.start_main_~i~4 104), 92586#(<= ULTIMATE.start_main_~i~4 103), 92589#(<= ULTIMATE.start_main_~i~4 106), 92588#(<= ULTIMATE.start_main_~i~4 105), 92591#(<= ULTIMATE.start_main_~i~4 108), 92590#(<= ULTIMATE.start_main_~i~4 107), 92593#(<= ULTIMATE.start_main_~i~4 110), 92592#(<= ULTIMATE.start_main_~i~4 109), 92595#(<= ULTIMATE.start_main_~i~4 112), 92594#(<= ULTIMATE.start_main_~i~4 111), 92597#(<= ULTIMATE.start_main_~i~4 114), 92596#(<= ULTIMATE.start_main_~i~4 113), 92599#(<= ULTIMATE.start_main_~i~4 116), 92598#(<= ULTIMATE.start_main_~i~4 115), 92601#(<= ULTIMATE.start_main_~i~4 118), 92600#(<= ULTIMATE.start_main_~i~4 117), 92603#(<= ULTIMATE.start_main_~i~4 120), 92602#(<= ULTIMATE.start_main_~i~4 119), 92605#(<= ULTIMATE.start_main_~i~4 122), 92604#(<= ULTIMATE.start_main_~i~4 121), 92607#(<= ULTIMATE.start_main_~i~4 124), 92606#(<= ULTIMATE.start_main_~i~4 123), 92609#(<= ULTIMATE.start_main_~i~4 126), 92608#(<= ULTIMATE.start_main_~i~4 125), 92611#(<= ULTIMATE.start_main_~i~4 128), 92610#(<= ULTIMATE.start_main_~i~4 127), 92613#(<= ULTIMATE.start_main_~i~4 130), 92612#(<= ULTIMATE.start_main_~i~4 129), 92615#(<= ULTIMATE.start_main_~i~4 132), 92614#(<= ULTIMATE.start_main_~i~4 131), 92617#(<= ULTIMATE.start_main_~i~4 134), 92616#(<= ULTIMATE.start_main_~i~4 133), 92619#(<= ULTIMATE.start_main_~i~4 136), 92618#(<= ULTIMATE.start_main_~i~4 135), 92621#(<= ULTIMATE.start_main_~i~4 138), 92620#(<= ULTIMATE.start_main_~i~4 137), 92623#(<= ULTIMATE.start_main_~i~4 140), 92622#(<= ULTIMATE.start_main_~i~4 139)] [2018-07-23 13:44:04,013 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 13:44:04,013 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:44:04,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:44:04,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:44:04,015 INFO L87 Difference]: Start difference. First operand 285 states and 285 transitions. Second operand 143 states. [2018-07-23 13:44:04,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:04,440 INFO L93 Difference]: Finished difference Result 289 states and 289 transitions. [2018-07-23 13:44:04,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:44:04,440 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 284 [2018-07-23 13:44:04,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:04,441 INFO L225 Difference]: With dead ends: 289 [2018-07-23 13:44:04,441 INFO L226 Difference]: Without dead ends: 287 [2018-07-23 13:44:04,443 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:44:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-07-23 13:44:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-07-23 13:44:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-07-23 13:44:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 287 transitions. [2018-07-23 13:44:04,448 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 287 transitions. Word has length 284 [2018-07-23 13:44:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:04,448 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 287 transitions. [2018-07-23 13:44:04,448 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:44:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 287 transitions. [2018-07-23 13:44:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-07-23 13:44:04,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:04,449 INFO L357 BasicCegarLoop]: trace histogram [142, 141, 1, 1, 1] [2018-07-23 13:44:04,450 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:04,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1759484985, now seen corresponding path program 141 times [2018-07-23 13:44:04,450 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:05,061 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 13:44:05,062 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:05,062 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:44:05,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:05,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:05,062 INFO L185 omatonBuilderFactory]: Interpolants [93777#false, 93776#true, 93779#(<= ULTIMATE.start_main_~i~4 1), 93778#(<= ULTIMATE.start_main_~i~4 0), 93781#(<= ULTIMATE.start_main_~i~4 3), 93780#(<= ULTIMATE.start_main_~i~4 2), 93783#(<= ULTIMATE.start_main_~i~4 5), 93782#(<= ULTIMATE.start_main_~i~4 4), 93785#(<= ULTIMATE.start_main_~i~4 7), 93784#(<= ULTIMATE.start_main_~i~4 6), 93787#(<= ULTIMATE.start_main_~i~4 9), 93786#(<= ULTIMATE.start_main_~i~4 8), 93789#(<= ULTIMATE.start_main_~i~4 11), 93788#(<= ULTIMATE.start_main_~i~4 10), 93791#(<= ULTIMATE.start_main_~i~4 13), 93790#(<= ULTIMATE.start_main_~i~4 12), 93793#(<= ULTIMATE.start_main_~i~4 15), 93792#(<= ULTIMATE.start_main_~i~4 14), 93795#(<= ULTIMATE.start_main_~i~4 17), 93794#(<= ULTIMATE.start_main_~i~4 16), 93797#(<= ULTIMATE.start_main_~i~4 19), 93796#(<= ULTIMATE.start_main_~i~4 18), 93799#(<= ULTIMATE.start_main_~i~4 21), 93798#(<= ULTIMATE.start_main_~i~4 20), 93801#(<= ULTIMATE.start_main_~i~4 23), 93800#(<= ULTIMATE.start_main_~i~4 22), 93803#(<= ULTIMATE.start_main_~i~4 25), 93802#(<= ULTIMATE.start_main_~i~4 24), 93805#(<= ULTIMATE.start_main_~i~4 27), 93804#(<= ULTIMATE.start_main_~i~4 26), 93807#(<= ULTIMATE.start_main_~i~4 29), 93806#(<= ULTIMATE.start_main_~i~4 28), 93809#(<= ULTIMATE.start_main_~i~4 31), 93808#(<= ULTIMATE.start_main_~i~4 30), 93811#(<= ULTIMATE.start_main_~i~4 33), 93810#(<= ULTIMATE.start_main_~i~4 32), 93813#(<= ULTIMATE.start_main_~i~4 35), 93812#(<= ULTIMATE.start_main_~i~4 34), 93815#(<= ULTIMATE.start_main_~i~4 37), 93814#(<= ULTIMATE.start_main_~i~4 36), 93817#(<= ULTIMATE.start_main_~i~4 39), 93816#(<= ULTIMATE.start_main_~i~4 38), 93819#(<= ULTIMATE.start_main_~i~4 41), 93818#(<= ULTIMATE.start_main_~i~4 40), 93821#(<= ULTIMATE.start_main_~i~4 43), 93820#(<= ULTIMATE.start_main_~i~4 42), 93823#(<= ULTIMATE.start_main_~i~4 45), 93822#(<= ULTIMATE.start_main_~i~4 44), 93825#(<= ULTIMATE.start_main_~i~4 47), 93824#(<= ULTIMATE.start_main_~i~4 46), 93827#(<= ULTIMATE.start_main_~i~4 49), 93826#(<= ULTIMATE.start_main_~i~4 48), 93829#(<= ULTIMATE.start_main_~i~4 51), 93828#(<= ULTIMATE.start_main_~i~4 50), 93831#(<= ULTIMATE.start_main_~i~4 53), 93830#(<= ULTIMATE.start_main_~i~4 52), 93833#(<= ULTIMATE.start_main_~i~4 55), 93832#(<= ULTIMATE.start_main_~i~4 54), 93835#(<= ULTIMATE.start_main_~i~4 57), 93834#(<= ULTIMATE.start_main_~i~4 56), 93837#(<= ULTIMATE.start_main_~i~4 59), 93836#(<= ULTIMATE.start_main_~i~4 58), 93839#(<= ULTIMATE.start_main_~i~4 61), 93838#(<= ULTIMATE.start_main_~i~4 60), 93841#(<= ULTIMATE.start_main_~i~4 63), 93840#(<= ULTIMATE.start_main_~i~4 62), 93843#(<= ULTIMATE.start_main_~i~4 65), 93842#(<= ULTIMATE.start_main_~i~4 64), 93845#(<= ULTIMATE.start_main_~i~4 67), 93844#(<= ULTIMATE.start_main_~i~4 66), 93847#(<= ULTIMATE.start_main_~i~4 69), 93846#(<= ULTIMATE.start_main_~i~4 68), 93849#(<= ULTIMATE.start_main_~i~4 71), 93848#(<= ULTIMATE.start_main_~i~4 70), 93851#(<= ULTIMATE.start_main_~i~4 73), 93850#(<= ULTIMATE.start_main_~i~4 72), 93853#(<= ULTIMATE.start_main_~i~4 75), 93852#(<= ULTIMATE.start_main_~i~4 74), 93855#(<= ULTIMATE.start_main_~i~4 77), 93854#(<= ULTIMATE.start_main_~i~4 76), 93857#(<= ULTIMATE.start_main_~i~4 79), 93856#(<= ULTIMATE.start_main_~i~4 78), 93859#(<= ULTIMATE.start_main_~i~4 81), 93858#(<= ULTIMATE.start_main_~i~4 80), 93861#(<= ULTIMATE.start_main_~i~4 83), 93860#(<= ULTIMATE.start_main_~i~4 82), 93863#(<= ULTIMATE.start_main_~i~4 85), 93862#(<= ULTIMATE.start_main_~i~4 84), 93865#(<= ULTIMATE.start_main_~i~4 87), 93864#(<= ULTIMATE.start_main_~i~4 86), 93867#(<= ULTIMATE.start_main_~i~4 89), 93866#(<= ULTIMATE.start_main_~i~4 88), 93869#(<= ULTIMATE.start_main_~i~4 91), 93868#(<= ULTIMATE.start_main_~i~4 90), 93871#(<= ULTIMATE.start_main_~i~4 93), 93870#(<= ULTIMATE.start_main_~i~4 92), 93873#(<= ULTIMATE.start_main_~i~4 95), 93872#(<= ULTIMATE.start_main_~i~4 94), 93875#(<= ULTIMATE.start_main_~i~4 97), 93874#(<= ULTIMATE.start_main_~i~4 96), 93877#(<= ULTIMATE.start_main_~i~4 99), 93876#(<= ULTIMATE.start_main_~i~4 98), 93879#(<= ULTIMATE.start_main_~i~4 101), 93878#(<= ULTIMATE.start_main_~i~4 100), 93881#(<= ULTIMATE.start_main_~i~4 103), 93880#(<= ULTIMATE.start_main_~i~4 102), 93883#(<= ULTIMATE.start_main_~i~4 105), 93882#(<= ULTIMATE.start_main_~i~4 104), 93885#(<= ULTIMATE.start_main_~i~4 107), 93884#(<= ULTIMATE.start_main_~i~4 106), 93887#(<= ULTIMATE.start_main_~i~4 109), 93886#(<= ULTIMATE.start_main_~i~4 108), 93889#(<= ULTIMATE.start_main_~i~4 111), 93888#(<= ULTIMATE.start_main_~i~4 110), 93891#(<= ULTIMATE.start_main_~i~4 113), 93890#(<= ULTIMATE.start_main_~i~4 112), 93893#(<= ULTIMATE.start_main_~i~4 115), 93892#(<= ULTIMATE.start_main_~i~4 114), 93895#(<= ULTIMATE.start_main_~i~4 117), 93894#(<= ULTIMATE.start_main_~i~4 116), 93897#(<= ULTIMATE.start_main_~i~4 119), 93896#(<= ULTIMATE.start_main_~i~4 118), 93899#(<= ULTIMATE.start_main_~i~4 121), 93898#(<= ULTIMATE.start_main_~i~4 120), 93901#(<= ULTIMATE.start_main_~i~4 123), 93900#(<= ULTIMATE.start_main_~i~4 122), 93903#(<= ULTIMATE.start_main_~i~4 125), 93902#(<= ULTIMATE.start_main_~i~4 124), 93905#(<= ULTIMATE.start_main_~i~4 127), 93904#(<= ULTIMATE.start_main_~i~4 126), 93907#(<= ULTIMATE.start_main_~i~4 129), 93906#(<= ULTIMATE.start_main_~i~4 128), 93909#(<= ULTIMATE.start_main_~i~4 131), 93908#(<= ULTIMATE.start_main_~i~4 130), 93911#(<= ULTIMATE.start_main_~i~4 133), 93910#(<= ULTIMATE.start_main_~i~4 132), 93913#(<= ULTIMATE.start_main_~i~4 135), 93912#(<= ULTIMATE.start_main_~i~4 134), 93915#(<= ULTIMATE.start_main_~i~4 137), 93914#(<= ULTIMATE.start_main_~i~4 136), 93917#(<= ULTIMATE.start_main_~i~4 139), 93916#(<= ULTIMATE.start_main_~i~4 138), 93919#(<= ULTIMATE.start_main_~i~4 141), 93918#(<= ULTIMATE.start_main_~i~4 140)] [2018-07-23 13:44:05,063 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 13:44:05,063 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:44:05,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:44:05,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:44:05,065 INFO L87 Difference]: Start difference. First operand 287 states and 287 transitions. Second operand 144 states. [2018-07-23 13:44:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:05,506 INFO L93 Difference]: Finished difference Result 291 states and 291 transitions. [2018-07-23 13:44:05,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:44:05,506 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 286 [2018-07-23 13:44:05,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:05,507 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:44:05,507 INFO L226 Difference]: Without dead ends: 289 [2018-07-23 13:44:05,507 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 13:44:05,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-07-23 13:44:05,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2018-07-23 13:44:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-07-23 13:44:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 289 transitions. [2018-07-23 13:44:05,511 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 289 transitions. Word has length 286 [2018-07-23 13:44:05,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:05,511 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 289 transitions. [2018-07-23 13:44:05,511 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:44:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 289 transitions. [2018-07-23 13:44:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-07-23 13:44:05,512 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:05,512 INFO L357 BasicCegarLoop]: trace histogram [143, 142, 1, 1, 1] [2018-07-23 13:44:05,513 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:05,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1351991949, now seen corresponding path program 142 times [2018-07-23 13:44:05,513 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:06,034 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 13:44:06,034 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:06,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:44:06,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:06,035 INFO L185 omatonBuilderFactory]: Interpolants [95081#false, 95080#true, 95083#(<= ULTIMATE.start_main_~i~4 1), 95082#(<= ULTIMATE.start_main_~i~4 0), 95085#(<= ULTIMATE.start_main_~i~4 3), 95084#(<= ULTIMATE.start_main_~i~4 2), 95087#(<= ULTIMATE.start_main_~i~4 5), 95086#(<= ULTIMATE.start_main_~i~4 4), 95089#(<= ULTIMATE.start_main_~i~4 7), 95088#(<= ULTIMATE.start_main_~i~4 6), 95091#(<= ULTIMATE.start_main_~i~4 9), 95090#(<= ULTIMATE.start_main_~i~4 8), 95093#(<= ULTIMATE.start_main_~i~4 11), 95092#(<= ULTIMATE.start_main_~i~4 10), 95095#(<= ULTIMATE.start_main_~i~4 13), 95094#(<= ULTIMATE.start_main_~i~4 12), 95097#(<= ULTIMATE.start_main_~i~4 15), 95096#(<= ULTIMATE.start_main_~i~4 14), 95099#(<= ULTIMATE.start_main_~i~4 17), 95098#(<= ULTIMATE.start_main_~i~4 16), 95101#(<= ULTIMATE.start_main_~i~4 19), 95100#(<= ULTIMATE.start_main_~i~4 18), 95103#(<= ULTIMATE.start_main_~i~4 21), 95102#(<= ULTIMATE.start_main_~i~4 20), 95105#(<= ULTIMATE.start_main_~i~4 23), 95104#(<= ULTIMATE.start_main_~i~4 22), 95107#(<= ULTIMATE.start_main_~i~4 25), 95106#(<= ULTIMATE.start_main_~i~4 24), 95109#(<= ULTIMATE.start_main_~i~4 27), 95108#(<= ULTIMATE.start_main_~i~4 26), 95111#(<= ULTIMATE.start_main_~i~4 29), 95110#(<= ULTIMATE.start_main_~i~4 28), 95113#(<= ULTIMATE.start_main_~i~4 31), 95112#(<= ULTIMATE.start_main_~i~4 30), 95115#(<= ULTIMATE.start_main_~i~4 33), 95114#(<= ULTIMATE.start_main_~i~4 32), 95117#(<= ULTIMATE.start_main_~i~4 35), 95116#(<= ULTIMATE.start_main_~i~4 34), 95119#(<= ULTIMATE.start_main_~i~4 37), 95118#(<= ULTIMATE.start_main_~i~4 36), 95121#(<= ULTIMATE.start_main_~i~4 39), 95120#(<= ULTIMATE.start_main_~i~4 38), 95123#(<= ULTIMATE.start_main_~i~4 41), 95122#(<= ULTIMATE.start_main_~i~4 40), 95125#(<= ULTIMATE.start_main_~i~4 43), 95124#(<= ULTIMATE.start_main_~i~4 42), 95127#(<= ULTIMATE.start_main_~i~4 45), 95126#(<= ULTIMATE.start_main_~i~4 44), 95129#(<= ULTIMATE.start_main_~i~4 47), 95128#(<= ULTIMATE.start_main_~i~4 46), 95131#(<= ULTIMATE.start_main_~i~4 49), 95130#(<= ULTIMATE.start_main_~i~4 48), 95133#(<= ULTIMATE.start_main_~i~4 51), 95132#(<= ULTIMATE.start_main_~i~4 50), 95135#(<= ULTIMATE.start_main_~i~4 53), 95134#(<= ULTIMATE.start_main_~i~4 52), 95137#(<= ULTIMATE.start_main_~i~4 55), 95136#(<= ULTIMATE.start_main_~i~4 54), 95139#(<= ULTIMATE.start_main_~i~4 57), 95138#(<= ULTIMATE.start_main_~i~4 56), 95141#(<= ULTIMATE.start_main_~i~4 59), 95140#(<= ULTIMATE.start_main_~i~4 58), 95143#(<= ULTIMATE.start_main_~i~4 61), 95142#(<= ULTIMATE.start_main_~i~4 60), 95145#(<= ULTIMATE.start_main_~i~4 63), 95144#(<= ULTIMATE.start_main_~i~4 62), 95147#(<= ULTIMATE.start_main_~i~4 65), 95146#(<= ULTIMATE.start_main_~i~4 64), 95149#(<= ULTIMATE.start_main_~i~4 67), 95148#(<= ULTIMATE.start_main_~i~4 66), 95151#(<= ULTIMATE.start_main_~i~4 69), 95150#(<= ULTIMATE.start_main_~i~4 68), 95153#(<= ULTIMATE.start_main_~i~4 71), 95152#(<= ULTIMATE.start_main_~i~4 70), 95155#(<= ULTIMATE.start_main_~i~4 73), 95154#(<= ULTIMATE.start_main_~i~4 72), 95157#(<= ULTIMATE.start_main_~i~4 75), 95156#(<= ULTIMATE.start_main_~i~4 74), 95159#(<= ULTIMATE.start_main_~i~4 77), 95158#(<= ULTIMATE.start_main_~i~4 76), 95161#(<= ULTIMATE.start_main_~i~4 79), 95160#(<= ULTIMATE.start_main_~i~4 78), 95163#(<= ULTIMATE.start_main_~i~4 81), 95162#(<= ULTIMATE.start_main_~i~4 80), 95165#(<= ULTIMATE.start_main_~i~4 83), 95164#(<= ULTIMATE.start_main_~i~4 82), 95167#(<= ULTIMATE.start_main_~i~4 85), 95166#(<= ULTIMATE.start_main_~i~4 84), 95169#(<= ULTIMATE.start_main_~i~4 87), 95168#(<= ULTIMATE.start_main_~i~4 86), 95171#(<= ULTIMATE.start_main_~i~4 89), 95170#(<= ULTIMATE.start_main_~i~4 88), 95173#(<= ULTIMATE.start_main_~i~4 91), 95172#(<= ULTIMATE.start_main_~i~4 90), 95175#(<= ULTIMATE.start_main_~i~4 93), 95174#(<= ULTIMATE.start_main_~i~4 92), 95177#(<= ULTIMATE.start_main_~i~4 95), 95176#(<= ULTIMATE.start_main_~i~4 94), 95179#(<= ULTIMATE.start_main_~i~4 97), 95178#(<= ULTIMATE.start_main_~i~4 96), 95181#(<= ULTIMATE.start_main_~i~4 99), 95180#(<= ULTIMATE.start_main_~i~4 98), 95183#(<= ULTIMATE.start_main_~i~4 101), 95182#(<= ULTIMATE.start_main_~i~4 100), 95185#(<= ULTIMATE.start_main_~i~4 103), 95184#(<= ULTIMATE.start_main_~i~4 102), 95187#(<= ULTIMATE.start_main_~i~4 105), 95186#(<= ULTIMATE.start_main_~i~4 104), 95189#(<= ULTIMATE.start_main_~i~4 107), 95188#(<= ULTIMATE.start_main_~i~4 106), 95191#(<= ULTIMATE.start_main_~i~4 109), 95190#(<= ULTIMATE.start_main_~i~4 108), 95193#(<= ULTIMATE.start_main_~i~4 111), 95192#(<= ULTIMATE.start_main_~i~4 110), 95195#(<= ULTIMATE.start_main_~i~4 113), 95194#(<= ULTIMATE.start_main_~i~4 112), 95197#(<= ULTIMATE.start_main_~i~4 115), 95196#(<= ULTIMATE.start_main_~i~4 114), 95199#(<= ULTIMATE.start_main_~i~4 117), 95198#(<= ULTIMATE.start_main_~i~4 116), 95201#(<= ULTIMATE.start_main_~i~4 119), 95200#(<= ULTIMATE.start_main_~i~4 118), 95203#(<= ULTIMATE.start_main_~i~4 121), 95202#(<= ULTIMATE.start_main_~i~4 120), 95205#(<= ULTIMATE.start_main_~i~4 123), 95204#(<= ULTIMATE.start_main_~i~4 122), 95207#(<= ULTIMATE.start_main_~i~4 125), 95206#(<= ULTIMATE.start_main_~i~4 124), 95209#(<= ULTIMATE.start_main_~i~4 127), 95208#(<= ULTIMATE.start_main_~i~4 126), 95211#(<= ULTIMATE.start_main_~i~4 129), 95210#(<= ULTIMATE.start_main_~i~4 128), 95213#(<= ULTIMATE.start_main_~i~4 131), 95212#(<= ULTIMATE.start_main_~i~4 130), 95215#(<= ULTIMATE.start_main_~i~4 133), 95214#(<= ULTIMATE.start_main_~i~4 132), 95217#(<= ULTIMATE.start_main_~i~4 135), 95216#(<= ULTIMATE.start_main_~i~4 134), 95219#(<= ULTIMATE.start_main_~i~4 137), 95218#(<= ULTIMATE.start_main_~i~4 136), 95221#(<= ULTIMATE.start_main_~i~4 139), 95220#(<= ULTIMATE.start_main_~i~4 138), 95223#(<= ULTIMATE.start_main_~i~4 141), 95222#(<= ULTIMATE.start_main_~i~4 140), 95224#(<= ULTIMATE.start_main_~i~4 142)] [2018-07-23 13:44:06,036 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 13:44:06,036 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:44:06,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:44:06,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:44:06,038 INFO L87 Difference]: Start difference. First operand 289 states and 289 transitions. Second operand 145 states. [2018-07-23 13:44:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:06,538 INFO L93 Difference]: Finished difference Result 293 states and 293 transitions. [2018-07-23 13:44:06,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:44:06,538 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 288 [2018-07-23 13:44:06,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:06,539 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:44:06,539 INFO L226 Difference]: Without dead ends: 291 [2018-07-23 13:44:06,540 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:44:06,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-07-23 13:44:06,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-07-23 13:44:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-07-23 13:44:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 291 transitions. [2018-07-23 13:44:06,543 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 291 transitions. Word has length 288 [2018-07-23 13:44:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:06,543 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 291 transitions. [2018-07-23 13:44:06,543 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:44:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 291 transitions. [2018-07-23 13:44:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-07-23 13:44:06,545 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:06,545 INFO L357 BasicCegarLoop]: trace histogram [144, 143, 1, 1, 1] [2018-07-23 13:44:06,545 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:06,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2110879789, now seen corresponding path program 143 times [2018-07-23 13:44:06,545 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:07,058 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 13:44:07,058 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:07,058 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:44:07,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:07,059 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 13:44:07,059 INFO L185 omatonBuilderFactory]: Interpolants [96513#(<= ULTIMATE.start_main_~i~4 118), 96512#(<= ULTIMATE.start_main_~i~4 117), 96515#(<= ULTIMATE.start_main_~i~4 120), 96514#(<= ULTIMATE.start_main_~i~4 119), 96517#(<= ULTIMATE.start_main_~i~4 122), 96516#(<= ULTIMATE.start_main_~i~4 121), 96519#(<= ULTIMATE.start_main_~i~4 124), 96518#(<= ULTIMATE.start_main_~i~4 123), 96521#(<= ULTIMATE.start_main_~i~4 126), 96520#(<= ULTIMATE.start_main_~i~4 125), 96523#(<= ULTIMATE.start_main_~i~4 128), 96522#(<= ULTIMATE.start_main_~i~4 127), 96525#(<= ULTIMATE.start_main_~i~4 130), 96524#(<= ULTIMATE.start_main_~i~4 129), 96527#(<= ULTIMATE.start_main_~i~4 132), 96526#(<= ULTIMATE.start_main_~i~4 131), 96529#(<= ULTIMATE.start_main_~i~4 134), 96528#(<= ULTIMATE.start_main_~i~4 133), 96531#(<= ULTIMATE.start_main_~i~4 136), 96530#(<= ULTIMATE.start_main_~i~4 135), 96533#(<= ULTIMATE.start_main_~i~4 138), 96532#(<= ULTIMATE.start_main_~i~4 137), 96535#(<= ULTIMATE.start_main_~i~4 140), 96534#(<= ULTIMATE.start_main_~i~4 139), 96537#(<= ULTIMATE.start_main_~i~4 142), 96536#(<= ULTIMATE.start_main_~i~4 141), 96538#(<= ULTIMATE.start_main_~i~4 143), 96393#true, 96395#(<= ULTIMATE.start_main_~i~4 0), 96394#false, 96397#(<= ULTIMATE.start_main_~i~4 2), 96396#(<= ULTIMATE.start_main_~i~4 1), 96399#(<= ULTIMATE.start_main_~i~4 4), 96398#(<= ULTIMATE.start_main_~i~4 3), 96401#(<= ULTIMATE.start_main_~i~4 6), 96400#(<= ULTIMATE.start_main_~i~4 5), 96403#(<= ULTIMATE.start_main_~i~4 8), 96402#(<= ULTIMATE.start_main_~i~4 7), 96405#(<= ULTIMATE.start_main_~i~4 10), 96404#(<= ULTIMATE.start_main_~i~4 9), 96407#(<= ULTIMATE.start_main_~i~4 12), 96406#(<= ULTIMATE.start_main_~i~4 11), 96409#(<= ULTIMATE.start_main_~i~4 14), 96408#(<= ULTIMATE.start_main_~i~4 13), 96411#(<= ULTIMATE.start_main_~i~4 16), 96410#(<= ULTIMATE.start_main_~i~4 15), 96413#(<= ULTIMATE.start_main_~i~4 18), 96412#(<= ULTIMATE.start_main_~i~4 17), 96415#(<= ULTIMATE.start_main_~i~4 20), 96414#(<= ULTIMATE.start_main_~i~4 19), 96417#(<= ULTIMATE.start_main_~i~4 22), 96416#(<= ULTIMATE.start_main_~i~4 21), 96419#(<= ULTIMATE.start_main_~i~4 24), 96418#(<= ULTIMATE.start_main_~i~4 23), 96421#(<= ULTIMATE.start_main_~i~4 26), 96420#(<= ULTIMATE.start_main_~i~4 25), 96423#(<= ULTIMATE.start_main_~i~4 28), 96422#(<= ULTIMATE.start_main_~i~4 27), 96425#(<= ULTIMATE.start_main_~i~4 30), 96424#(<= ULTIMATE.start_main_~i~4 29), 96427#(<= ULTIMATE.start_main_~i~4 32), 96426#(<= ULTIMATE.start_main_~i~4 31), 96429#(<= ULTIMATE.start_main_~i~4 34), 96428#(<= ULTIMATE.start_main_~i~4 33), 96431#(<= ULTIMATE.start_main_~i~4 36), 96430#(<= ULTIMATE.start_main_~i~4 35), 96433#(<= ULTIMATE.start_main_~i~4 38), 96432#(<= ULTIMATE.start_main_~i~4 37), 96435#(<= ULTIMATE.start_main_~i~4 40), 96434#(<= ULTIMATE.start_main_~i~4 39), 96437#(<= ULTIMATE.start_main_~i~4 42), 96436#(<= ULTIMATE.start_main_~i~4 41), 96439#(<= ULTIMATE.start_main_~i~4 44), 96438#(<= ULTIMATE.start_main_~i~4 43), 96441#(<= ULTIMATE.start_main_~i~4 46), 96440#(<= ULTIMATE.start_main_~i~4 45), 96443#(<= ULTIMATE.start_main_~i~4 48), 96442#(<= ULTIMATE.start_main_~i~4 47), 96445#(<= ULTIMATE.start_main_~i~4 50), 96444#(<= ULTIMATE.start_main_~i~4 49), 96447#(<= ULTIMATE.start_main_~i~4 52), 96446#(<= ULTIMATE.start_main_~i~4 51), 96449#(<= ULTIMATE.start_main_~i~4 54), 96448#(<= ULTIMATE.start_main_~i~4 53), 96451#(<= ULTIMATE.start_main_~i~4 56), 96450#(<= ULTIMATE.start_main_~i~4 55), 96453#(<= ULTIMATE.start_main_~i~4 58), 96452#(<= ULTIMATE.start_main_~i~4 57), 96455#(<= ULTIMATE.start_main_~i~4 60), 96454#(<= ULTIMATE.start_main_~i~4 59), 96457#(<= ULTIMATE.start_main_~i~4 62), 96456#(<= ULTIMATE.start_main_~i~4 61), 96459#(<= ULTIMATE.start_main_~i~4 64), 96458#(<= ULTIMATE.start_main_~i~4 63), 96461#(<= ULTIMATE.start_main_~i~4 66), 96460#(<= ULTIMATE.start_main_~i~4 65), 96463#(<= ULTIMATE.start_main_~i~4 68), 96462#(<= ULTIMATE.start_main_~i~4 67), 96465#(<= ULTIMATE.start_main_~i~4 70), 96464#(<= ULTIMATE.start_main_~i~4 69), 96467#(<= ULTIMATE.start_main_~i~4 72), 96466#(<= ULTIMATE.start_main_~i~4 71), 96469#(<= ULTIMATE.start_main_~i~4 74), 96468#(<= ULTIMATE.start_main_~i~4 73), 96471#(<= ULTIMATE.start_main_~i~4 76), 96470#(<= ULTIMATE.start_main_~i~4 75), 96473#(<= ULTIMATE.start_main_~i~4 78), 96472#(<= ULTIMATE.start_main_~i~4 77), 96475#(<= ULTIMATE.start_main_~i~4 80), 96474#(<= ULTIMATE.start_main_~i~4 79), 96477#(<= ULTIMATE.start_main_~i~4 82), 96476#(<= ULTIMATE.start_main_~i~4 81), 96479#(<= ULTIMATE.start_main_~i~4 84), 96478#(<= ULTIMATE.start_main_~i~4 83), 96481#(<= ULTIMATE.start_main_~i~4 86), 96480#(<= ULTIMATE.start_main_~i~4 85), 96483#(<= ULTIMATE.start_main_~i~4 88), 96482#(<= ULTIMATE.start_main_~i~4 87), 96485#(<= ULTIMATE.start_main_~i~4 90), 96484#(<= ULTIMATE.start_main_~i~4 89), 96487#(<= ULTIMATE.start_main_~i~4 92), 96486#(<= ULTIMATE.start_main_~i~4 91), 96489#(<= ULTIMATE.start_main_~i~4 94), 96488#(<= ULTIMATE.start_main_~i~4 93), 96491#(<= ULTIMATE.start_main_~i~4 96), 96490#(<= ULTIMATE.start_main_~i~4 95), 96493#(<= ULTIMATE.start_main_~i~4 98), 96492#(<= ULTIMATE.start_main_~i~4 97), 96495#(<= ULTIMATE.start_main_~i~4 100), 96494#(<= ULTIMATE.start_main_~i~4 99), 96497#(<= ULTIMATE.start_main_~i~4 102), 96496#(<= ULTIMATE.start_main_~i~4 101), 96499#(<= ULTIMATE.start_main_~i~4 104), 96498#(<= ULTIMATE.start_main_~i~4 103), 96501#(<= ULTIMATE.start_main_~i~4 106), 96500#(<= ULTIMATE.start_main_~i~4 105), 96503#(<= ULTIMATE.start_main_~i~4 108), 96502#(<= ULTIMATE.start_main_~i~4 107), 96505#(<= ULTIMATE.start_main_~i~4 110), 96504#(<= ULTIMATE.start_main_~i~4 109), 96507#(<= ULTIMATE.start_main_~i~4 112), 96506#(<= ULTIMATE.start_main_~i~4 111), 96509#(<= ULTIMATE.start_main_~i~4 114), 96508#(<= ULTIMATE.start_main_~i~4 113), 96511#(<= ULTIMATE.start_main_~i~4 116), 96510#(<= ULTIMATE.start_main_~i~4 115)] [2018-07-23 13:44:07,060 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 13:44:07,061 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:44:07,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:44:07,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:44:07,064 INFO L87 Difference]: Start difference. First operand 291 states and 291 transitions. Second operand 146 states. [2018-07-23 13:44:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:07,384 INFO L93 Difference]: Finished difference Result 295 states and 295 transitions. [2018-07-23 13:44:07,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:44:07,385 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 290 [2018-07-23 13:44:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:07,385 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:44:07,385 INFO L226 Difference]: Without dead ends: 293 [2018-07-23 13:44:07,387 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 13:44:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-07-23 13:44:07,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-07-23 13:44:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-07-23 13:44:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 293 transitions. [2018-07-23 13:44:07,389 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 293 transitions. Word has length 290 [2018-07-23 13:44:07,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:07,390 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 293 transitions. [2018-07-23 13:44:07,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:44:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 293 transitions. [2018-07-23 13:44:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-23 13:44:07,391 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:07,391 INFO L357 BasicCegarLoop]: trace histogram [145, 144, 1, 1, 1] [2018-07-23 13:44:07,391 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:07,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1330965607, now seen corresponding path program 144 times [2018-07-23 13:44:07,391 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:07,970 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 13:44:07,971 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:07,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:44:07,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:07,971 INFO L185 omatonBuilderFactory]: Interpolants [97793#(<= ULTIMATE.start_main_~i~4 76), 97792#(<= ULTIMATE.start_main_~i~4 75), 97795#(<= ULTIMATE.start_main_~i~4 78), 97794#(<= ULTIMATE.start_main_~i~4 77), 97797#(<= ULTIMATE.start_main_~i~4 80), 97796#(<= ULTIMATE.start_main_~i~4 79), 97799#(<= ULTIMATE.start_main_~i~4 82), 97798#(<= ULTIMATE.start_main_~i~4 81), 97801#(<= ULTIMATE.start_main_~i~4 84), 97800#(<= ULTIMATE.start_main_~i~4 83), 97803#(<= ULTIMATE.start_main_~i~4 86), 97802#(<= ULTIMATE.start_main_~i~4 85), 97805#(<= ULTIMATE.start_main_~i~4 88), 97804#(<= ULTIMATE.start_main_~i~4 87), 97807#(<= ULTIMATE.start_main_~i~4 90), 97806#(<= ULTIMATE.start_main_~i~4 89), 97809#(<= ULTIMATE.start_main_~i~4 92), 97808#(<= ULTIMATE.start_main_~i~4 91), 97811#(<= ULTIMATE.start_main_~i~4 94), 97810#(<= ULTIMATE.start_main_~i~4 93), 97813#(<= ULTIMATE.start_main_~i~4 96), 97812#(<= ULTIMATE.start_main_~i~4 95), 97815#(<= ULTIMATE.start_main_~i~4 98), 97814#(<= ULTIMATE.start_main_~i~4 97), 97817#(<= ULTIMATE.start_main_~i~4 100), 97816#(<= ULTIMATE.start_main_~i~4 99), 97819#(<= ULTIMATE.start_main_~i~4 102), 97818#(<= ULTIMATE.start_main_~i~4 101), 97821#(<= ULTIMATE.start_main_~i~4 104), 97820#(<= ULTIMATE.start_main_~i~4 103), 97823#(<= ULTIMATE.start_main_~i~4 106), 97822#(<= ULTIMATE.start_main_~i~4 105), 97825#(<= ULTIMATE.start_main_~i~4 108), 97824#(<= ULTIMATE.start_main_~i~4 107), 97827#(<= ULTIMATE.start_main_~i~4 110), 97826#(<= ULTIMATE.start_main_~i~4 109), 97829#(<= ULTIMATE.start_main_~i~4 112), 97828#(<= ULTIMATE.start_main_~i~4 111), 97831#(<= ULTIMATE.start_main_~i~4 114), 97830#(<= ULTIMATE.start_main_~i~4 113), 97833#(<= ULTIMATE.start_main_~i~4 116), 97832#(<= ULTIMATE.start_main_~i~4 115), 97835#(<= ULTIMATE.start_main_~i~4 118), 97834#(<= ULTIMATE.start_main_~i~4 117), 97837#(<= ULTIMATE.start_main_~i~4 120), 97836#(<= ULTIMATE.start_main_~i~4 119), 97839#(<= ULTIMATE.start_main_~i~4 122), 97838#(<= ULTIMATE.start_main_~i~4 121), 97841#(<= ULTIMATE.start_main_~i~4 124), 97840#(<= ULTIMATE.start_main_~i~4 123), 97843#(<= ULTIMATE.start_main_~i~4 126), 97842#(<= ULTIMATE.start_main_~i~4 125), 97845#(<= ULTIMATE.start_main_~i~4 128), 97844#(<= ULTIMATE.start_main_~i~4 127), 97847#(<= ULTIMATE.start_main_~i~4 130), 97846#(<= ULTIMATE.start_main_~i~4 129), 97849#(<= ULTIMATE.start_main_~i~4 132), 97848#(<= ULTIMATE.start_main_~i~4 131), 97851#(<= ULTIMATE.start_main_~i~4 134), 97850#(<= ULTIMATE.start_main_~i~4 133), 97853#(<= ULTIMATE.start_main_~i~4 136), 97852#(<= ULTIMATE.start_main_~i~4 135), 97855#(<= ULTIMATE.start_main_~i~4 138), 97854#(<= ULTIMATE.start_main_~i~4 137), 97857#(<= ULTIMATE.start_main_~i~4 140), 97856#(<= ULTIMATE.start_main_~i~4 139), 97859#(<= ULTIMATE.start_main_~i~4 142), 97858#(<= ULTIMATE.start_main_~i~4 141), 97861#(<= ULTIMATE.start_main_~i~4 144), 97860#(<= ULTIMATE.start_main_~i~4 143), 97715#true, 97717#(<= ULTIMATE.start_main_~i~4 0), 97716#false, 97719#(<= ULTIMATE.start_main_~i~4 2), 97718#(<= ULTIMATE.start_main_~i~4 1), 97721#(<= ULTIMATE.start_main_~i~4 4), 97720#(<= ULTIMATE.start_main_~i~4 3), 97723#(<= ULTIMATE.start_main_~i~4 6), 97722#(<= ULTIMATE.start_main_~i~4 5), 97725#(<= ULTIMATE.start_main_~i~4 8), 97724#(<= ULTIMATE.start_main_~i~4 7), 97727#(<= ULTIMATE.start_main_~i~4 10), 97726#(<= ULTIMATE.start_main_~i~4 9), 97729#(<= ULTIMATE.start_main_~i~4 12), 97728#(<= ULTIMATE.start_main_~i~4 11), 97731#(<= ULTIMATE.start_main_~i~4 14), 97730#(<= ULTIMATE.start_main_~i~4 13), 97733#(<= ULTIMATE.start_main_~i~4 16), 97732#(<= ULTIMATE.start_main_~i~4 15), 97735#(<= ULTIMATE.start_main_~i~4 18), 97734#(<= ULTIMATE.start_main_~i~4 17), 97737#(<= ULTIMATE.start_main_~i~4 20), 97736#(<= ULTIMATE.start_main_~i~4 19), 97739#(<= ULTIMATE.start_main_~i~4 22), 97738#(<= ULTIMATE.start_main_~i~4 21), 97741#(<= ULTIMATE.start_main_~i~4 24), 97740#(<= ULTIMATE.start_main_~i~4 23), 97743#(<= ULTIMATE.start_main_~i~4 26), 97742#(<= ULTIMATE.start_main_~i~4 25), 97745#(<= ULTIMATE.start_main_~i~4 28), 97744#(<= ULTIMATE.start_main_~i~4 27), 97747#(<= ULTIMATE.start_main_~i~4 30), 97746#(<= ULTIMATE.start_main_~i~4 29), 97749#(<= ULTIMATE.start_main_~i~4 32), 97748#(<= ULTIMATE.start_main_~i~4 31), 97751#(<= ULTIMATE.start_main_~i~4 34), 97750#(<= ULTIMATE.start_main_~i~4 33), 97753#(<= ULTIMATE.start_main_~i~4 36), 97752#(<= ULTIMATE.start_main_~i~4 35), 97755#(<= ULTIMATE.start_main_~i~4 38), 97754#(<= ULTIMATE.start_main_~i~4 37), 97757#(<= ULTIMATE.start_main_~i~4 40), 97756#(<= ULTIMATE.start_main_~i~4 39), 97759#(<= ULTIMATE.start_main_~i~4 42), 97758#(<= ULTIMATE.start_main_~i~4 41), 97761#(<= ULTIMATE.start_main_~i~4 44), 97760#(<= ULTIMATE.start_main_~i~4 43), 97763#(<= ULTIMATE.start_main_~i~4 46), 97762#(<= ULTIMATE.start_main_~i~4 45), 97765#(<= ULTIMATE.start_main_~i~4 48), 97764#(<= ULTIMATE.start_main_~i~4 47), 97767#(<= ULTIMATE.start_main_~i~4 50), 97766#(<= ULTIMATE.start_main_~i~4 49), 97769#(<= ULTIMATE.start_main_~i~4 52), 97768#(<= ULTIMATE.start_main_~i~4 51), 97771#(<= ULTIMATE.start_main_~i~4 54), 97770#(<= ULTIMATE.start_main_~i~4 53), 97773#(<= ULTIMATE.start_main_~i~4 56), 97772#(<= ULTIMATE.start_main_~i~4 55), 97775#(<= ULTIMATE.start_main_~i~4 58), 97774#(<= ULTIMATE.start_main_~i~4 57), 97777#(<= ULTIMATE.start_main_~i~4 60), 97776#(<= ULTIMATE.start_main_~i~4 59), 97779#(<= ULTIMATE.start_main_~i~4 62), 97778#(<= ULTIMATE.start_main_~i~4 61), 97781#(<= ULTIMATE.start_main_~i~4 64), 97780#(<= ULTIMATE.start_main_~i~4 63), 97783#(<= ULTIMATE.start_main_~i~4 66), 97782#(<= ULTIMATE.start_main_~i~4 65), 97785#(<= ULTIMATE.start_main_~i~4 68), 97784#(<= ULTIMATE.start_main_~i~4 67), 97787#(<= ULTIMATE.start_main_~i~4 70), 97786#(<= ULTIMATE.start_main_~i~4 69), 97789#(<= ULTIMATE.start_main_~i~4 72), 97788#(<= ULTIMATE.start_main_~i~4 71), 97791#(<= ULTIMATE.start_main_~i~4 74), 97790#(<= ULTIMATE.start_main_~i~4 73)] [2018-07-23 13:44:07,973 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 13:44:07,973 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:44:07,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:44:07,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:44:07,976 INFO L87 Difference]: Start difference. First operand 293 states and 293 transitions. Second operand 147 states. [2018-07-23 13:44:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:08,203 INFO L93 Difference]: Finished difference Result 297 states and 297 transitions. [2018-07-23 13:44:08,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:44:08,204 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 292 [2018-07-23 13:44:08,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:08,204 INFO L225 Difference]: With dead ends: 297 [2018-07-23 13:44:08,204 INFO L226 Difference]: Without dead ends: 295 [2018-07-23 13:44:08,206 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:44:08,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-23 13:44:08,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-07-23 13:44:08,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-07-23 13:44:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 295 transitions. [2018-07-23 13:44:08,210 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 295 transitions. Word has length 292 [2018-07-23 13:44:08,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:08,210 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 295 transitions. [2018-07-23 13:44:08,210 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:44:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 295 transitions. [2018-07-23 13:44:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-23 13:44:08,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:08,211 INFO L357 BasicCegarLoop]: trace histogram [146, 145, 1, 1, 1] [2018-07-23 13:44:08,211 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:08,212 INFO L82 PathProgramCache]: Analyzing trace with hash -842253791, now seen corresponding path program 145 times [2018-07-23 13:44:08,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:08,853 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 13:44:08,853 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:08,853 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:44:08,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:08,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:08,854 INFO L185 omatonBuilderFactory]: Interpolants [99073#(<= ULTIMATE.start_main_~i~4 25), 99072#(<= ULTIMATE.start_main_~i~4 24), 99075#(<= ULTIMATE.start_main_~i~4 27), 99074#(<= ULTIMATE.start_main_~i~4 26), 99077#(<= ULTIMATE.start_main_~i~4 29), 99076#(<= ULTIMATE.start_main_~i~4 28), 99079#(<= ULTIMATE.start_main_~i~4 31), 99078#(<= ULTIMATE.start_main_~i~4 30), 99081#(<= ULTIMATE.start_main_~i~4 33), 99080#(<= ULTIMATE.start_main_~i~4 32), 99083#(<= ULTIMATE.start_main_~i~4 35), 99082#(<= ULTIMATE.start_main_~i~4 34), 99085#(<= ULTIMATE.start_main_~i~4 37), 99084#(<= ULTIMATE.start_main_~i~4 36), 99087#(<= ULTIMATE.start_main_~i~4 39), 99086#(<= ULTIMATE.start_main_~i~4 38), 99089#(<= ULTIMATE.start_main_~i~4 41), 99088#(<= ULTIMATE.start_main_~i~4 40), 99091#(<= ULTIMATE.start_main_~i~4 43), 99090#(<= ULTIMATE.start_main_~i~4 42), 99093#(<= ULTIMATE.start_main_~i~4 45), 99092#(<= ULTIMATE.start_main_~i~4 44), 99095#(<= ULTIMATE.start_main_~i~4 47), 99094#(<= ULTIMATE.start_main_~i~4 46), 99097#(<= ULTIMATE.start_main_~i~4 49), 99096#(<= ULTIMATE.start_main_~i~4 48), 99099#(<= ULTIMATE.start_main_~i~4 51), 99098#(<= ULTIMATE.start_main_~i~4 50), 99101#(<= ULTIMATE.start_main_~i~4 53), 99100#(<= ULTIMATE.start_main_~i~4 52), 99103#(<= ULTIMATE.start_main_~i~4 55), 99102#(<= ULTIMATE.start_main_~i~4 54), 99105#(<= ULTIMATE.start_main_~i~4 57), 99104#(<= ULTIMATE.start_main_~i~4 56), 99107#(<= ULTIMATE.start_main_~i~4 59), 99106#(<= ULTIMATE.start_main_~i~4 58), 99109#(<= ULTIMATE.start_main_~i~4 61), 99108#(<= ULTIMATE.start_main_~i~4 60), 99111#(<= ULTIMATE.start_main_~i~4 63), 99110#(<= ULTIMATE.start_main_~i~4 62), 99113#(<= ULTIMATE.start_main_~i~4 65), 99112#(<= ULTIMATE.start_main_~i~4 64), 99115#(<= ULTIMATE.start_main_~i~4 67), 99114#(<= ULTIMATE.start_main_~i~4 66), 99117#(<= ULTIMATE.start_main_~i~4 69), 99116#(<= ULTIMATE.start_main_~i~4 68), 99119#(<= ULTIMATE.start_main_~i~4 71), 99118#(<= ULTIMATE.start_main_~i~4 70), 99121#(<= ULTIMATE.start_main_~i~4 73), 99120#(<= ULTIMATE.start_main_~i~4 72), 99123#(<= ULTIMATE.start_main_~i~4 75), 99122#(<= ULTIMATE.start_main_~i~4 74), 99125#(<= ULTIMATE.start_main_~i~4 77), 99124#(<= ULTIMATE.start_main_~i~4 76), 99127#(<= ULTIMATE.start_main_~i~4 79), 99126#(<= ULTIMATE.start_main_~i~4 78), 99129#(<= ULTIMATE.start_main_~i~4 81), 99128#(<= ULTIMATE.start_main_~i~4 80), 99131#(<= ULTIMATE.start_main_~i~4 83), 99130#(<= ULTIMATE.start_main_~i~4 82), 99133#(<= ULTIMATE.start_main_~i~4 85), 99132#(<= ULTIMATE.start_main_~i~4 84), 99135#(<= ULTIMATE.start_main_~i~4 87), 99134#(<= ULTIMATE.start_main_~i~4 86), 99137#(<= ULTIMATE.start_main_~i~4 89), 99136#(<= ULTIMATE.start_main_~i~4 88), 99139#(<= ULTIMATE.start_main_~i~4 91), 99138#(<= ULTIMATE.start_main_~i~4 90), 99141#(<= ULTIMATE.start_main_~i~4 93), 99140#(<= ULTIMATE.start_main_~i~4 92), 99143#(<= ULTIMATE.start_main_~i~4 95), 99142#(<= ULTIMATE.start_main_~i~4 94), 99145#(<= ULTIMATE.start_main_~i~4 97), 99144#(<= ULTIMATE.start_main_~i~4 96), 99147#(<= ULTIMATE.start_main_~i~4 99), 99146#(<= ULTIMATE.start_main_~i~4 98), 99149#(<= ULTIMATE.start_main_~i~4 101), 99148#(<= ULTIMATE.start_main_~i~4 100), 99151#(<= ULTIMATE.start_main_~i~4 103), 99150#(<= ULTIMATE.start_main_~i~4 102), 99153#(<= ULTIMATE.start_main_~i~4 105), 99152#(<= ULTIMATE.start_main_~i~4 104), 99155#(<= ULTIMATE.start_main_~i~4 107), 99154#(<= ULTIMATE.start_main_~i~4 106), 99157#(<= ULTIMATE.start_main_~i~4 109), 99156#(<= ULTIMATE.start_main_~i~4 108), 99159#(<= ULTIMATE.start_main_~i~4 111), 99158#(<= ULTIMATE.start_main_~i~4 110), 99161#(<= ULTIMATE.start_main_~i~4 113), 99160#(<= ULTIMATE.start_main_~i~4 112), 99163#(<= ULTIMATE.start_main_~i~4 115), 99162#(<= ULTIMATE.start_main_~i~4 114), 99165#(<= ULTIMATE.start_main_~i~4 117), 99164#(<= ULTIMATE.start_main_~i~4 116), 99167#(<= ULTIMATE.start_main_~i~4 119), 99166#(<= ULTIMATE.start_main_~i~4 118), 99169#(<= ULTIMATE.start_main_~i~4 121), 99168#(<= ULTIMATE.start_main_~i~4 120), 99171#(<= ULTIMATE.start_main_~i~4 123), 99170#(<= ULTIMATE.start_main_~i~4 122), 99173#(<= ULTIMATE.start_main_~i~4 125), 99172#(<= ULTIMATE.start_main_~i~4 124), 99175#(<= ULTIMATE.start_main_~i~4 127), 99174#(<= ULTIMATE.start_main_~i~4 126), 99177#(<= ULTIMATE.start_main_~i~4 129), 99176#(<= ULTIMATE.start_main_~i~4 128), 99179#(<= ULTIMATE.start_main_~i~4 131), 99178#(<= ULTIMATE.start_main_~i~4 130), 99181#(<= ULTIMATE.start_main_~i~4 133), 99180#(<= ULTIMATE.start_main_~i~4 132), 99183#(<= ULTIMATE.start_main_~i~4 135), 99182#(<= ULTIMATE.start_main_~i~4 134), 99185#(<= ULTIMATE.start_main_~i~4 137), 99184#(<= ULTIMATE.start_main_~i~4 136), 99187#(<= ULTIMATE.start_main_~i~4 139), 99186#(<= ULTIMATE.start_main_~i~4 138), 99189#(<= ULTIMATE.start_main_~i~4 141), 99188#(<= ULTIMATE.start_main_~i~4 140), 99191#(<= ULTIMATE.start_main_~i~4 143), 99190#(<= ULTIMATE.start_main_~i~4 142), 99193#(<= ULTIMATE.start_main_~i~4 145), 99192#(<= ULTIMATE.start_main_~i~4 144), 99047#false, 99046#true, 99049#(<= ULTIMATE.start_main_~i~4 1), 99048#(<= ULTIMATE.start_main_~i~4 0), 99051#(<= ULTIMATE.start_main_~i~4 3), 99050#(<= ULTIMATE.start_main_~i~4 2), 99053#(<= ULTIMATE.start_main_~i~4 5), 99052#(<= ULTIMATE.start_main_~i~4 4), 99055#(<= ULTIMATE.start_main_~i~4 7), 99054#(<= ULTIMATE.start_main_~i~4 6), 99057#(<= ULTIMATE.start_main_~i~4 9), 99056#(<= ULTIMATE.start_main_~i~4 8), 99059#(<= ULTIMATE.start_main_~i~4 11), 99058#(<= ULTIMATE.start_main_~i~4 10), 99061#(<= ULTIMATE.start_main_~i~4 13), 99060#(<= ULTIMATE.start_main_~i~4 12), 99063#(<= ULTIMATE.start_main_~i~4 15), 99062#(<= ULTIMATE.start_main_~i~4 14), 99065#(<= ULTIMATE.start_main_~i~4 17), 99064#(<= ULTIMATE.start_main_~i~4 16), 99067#(<= ULTIMATE.start_main_~i~4 19), 99066#(<= ULTIMATE.start_main_~i~4 18), 99069#(<= ULTIMATE.start_main_~i~4 21), 99068#(<= ULTIMATE.start_main_~i~4 20), 99071#(<= ULTIMATE.start_main_~i~4 23), 99070#(<= ULTIMATE.start_main_~i~4 22)] [2018-07-23 13:44:08,855 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 13:44:08,855 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:44:08,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:44:08,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:44:08,858 INFO L87 Difference]: Start difference. First operand 295 states and 295 transitions. Second operand 148 states. [2018-07-23 13:44:09,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:09,337 INFO L93 Difference]: Finished difference Result 299 states and 299 transitions. [2018-07-23 13:44:09,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:44:09,338 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 294 [2018-07-23 13:44:09,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:09,338 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:44:09,338 INFO L226 Difference]: Without dead ends: 297 [2018-07-23 13:44:09,339 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 13:44:09,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-07-23 13:44:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-07-23 13:44:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-07-23 13:44:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 297 transitions. [2018-07-23 13:44:09,342 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 297 transitions. Word has length 294 [2018-07-23 13:44:09,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:09,343 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 297 transitions. [2018-07-23 13:44:09,343 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:44:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 297 transitions. [2018-07-23 13:44:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-07-23 13:44:09,344 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:09,344 INFO L357 BasicCegarLoop]: trace histogram [147, 146, 1, 1, 1] [2018-07-23 13:44:09,344 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:09,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1951989413, now seen corresponding path program 146 times [2018-07-23 13:44:09,344 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:09,873 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 13:44:09,873 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:09,873 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:44:09,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:09,874 INFO L185 omatonBuilderFactory]: Interpolants [100387#false, 100386#true, 100389#(<= ULTIMATE.start_main_~i~4 1), 100388#(<= ULTIMATE.start_main_~i~4 0), 100391#(<= ULTIMATE.start_main_~i~4 3), 100390#(<= ULTIMATE.start_main_~i~4 2), 100393#(<= ULTIMATE.start_main_~i~4 5), 100392#(<= ULTIMATE.start_main_~i~4 4), 100395#(<= ULTIMATE.start_main_~i~4 7), 100394#(<= ULTIMATE.start_main_~i~4 6), 100397#(<= ULTIMATE.start_main_~i~4 9), 100396#(<= ULTIMATE.start_main_~i~4 8), 100399#(<= ULTIMATE.start_main_~i~4 11), 100398#(<= ULTIMATE.start_main_~i~4 10), 100401#(<= ULTIMATE.start_main_~i~4 13), 100400#(<= ULTIMATE.start_main_~i~4 12), 100403#(<= ULTIMATE.start_main_~i~4 15), 100402#(<= ULTIMATE.start_main_~i~4 14), 100405#(<= ULTIMATE.start_main_~i~4 17), 100404#(<= ULTIMATE.start_main_~i~4 16), 100407#(<= ULTIMATE.start_main_~i~4 19), 100406#(<= ULTIMATE.start_main_~i~4 18), 100409#(<= ULTIMATE.start_main_~i~4 21), 100408#(<= ULTIMATE.start_main_~i~4 20), 100411#(<= ULTIMATE.start_main_~i~4 23), 100410#(<= ULTIMATE.start_main_~i~4 22), 100413#(<= ULTIMATE.start_main_~i~4 25), 100412#(<= ULTIMATE.start_main_~i~4 24), 100415#(<= ULTIMATE.start_main_~i~4 27), 100414#(<= ULTIMATE.start_main_~i~4 26), 100417#(<= ULTIMATE.start_main_~i~4 29), 100416#(<= ULTIMATE.start_main_~i~4 28), 100419#(<= ULTIMATE.start_main_~i~4 31), 100418#(<= ULTIMATE.start_main_~i~4 30), 100421#(<= ULTIMATE.start_main_~i~4 33), 100420#(<= ULTIMATE.start_main_~i~4 32), 100423#(<= ULTIMATE.start_main_~i~4 35), 100422#(<= ULTIMATE.start_main_~i~4 34), 100425#(<= ULTIMATE.start_main_~i~4 37), 100424#(<= ULTIMATE.start_main_~i~4 36), 100427#(<= ULTIMATE.start_main_~i~4 39), 100426#(<= ULTIMATE.start_main_~i~4 38), 100429#(<= ULTIMATE.start_main_~i~4 41), 100428#(<= ULTIMATE.start_main_~i~4 40), 100431#(<= ULTIMATE.start_main_~i~4 43), 100430#(<= ULTIMATE.start_main_~i~4 42), 100433#(<= ULTIMATE.start_main_~i~4 45), 100432#(<= ULTIMATE.start_main_~i~4 44), 100435#(<= ULTIMATE.start_main_~i~4 47), 100434#(<= ULTIMATE.start_main_~i~4 46), 100437#(<= ULTIMATE.start_main_~i~4 49), 100436#(<= ULTIMATE.start_main_~i~4 48), 100439#(<= ULTIMATE.start_main_~i~4 51), 100438#(<= ULTIMATE.start_main_~i~4 50), 100441#(<= ULTIMATE.start_main_~i~4 53), 100440#(<= ULTIMATE.start_main_~i~4 52), 100443#(<= ULTIMATE.start_main_~i~4 55), 100442#(<= ULTIMATE.start_main_~i~4 54), 100445#(<= ULTIMATE.start_main_~i~4 57), 100444#(<= ULTIMATE.start_main_~i~4 56), 100447#(<= ULTIMATE.start_main_~i~4 59), 100446#(<= ULTIMATE.start_main_~i~4 58), 100449#(<= ULTIMATE.start_main_~i~4 61), 100448#(<= ULTIMATE.start_main_~i~4 60), 100451#(<= ULTIMATE.start_main_~i~4 63), 100450#(<= ULTIMATE.start_main_~i~4 62), 100453#(<= ULTIMATE.start_main_~i~4 65), 100452#(<= ULTIMATE.start_main_~i~4 64), 100455#(<= ULTIMATE.start_main_~i~4 67), 100454#(<= ULTIMATE.start_main_~i~4 66), 100457#(<= ULTIMATE.start_main_~i~4 69), 100456#(<= ULTIMATE.start_main_~i~4 68), 100459#(<= ULTIMATE.start_main_~i~4 71), 100458#(<= ULTIMATE.start_main_~i~4 70), 100461#(<= ULTIMATE.start_main_~i~4 73), 100460#(<= ULTIMATE.start_main_~i~4 72), 100463#(<= ULTIMATE.start_main_~i~4 75), 100462#(<= ULTIMATE.start_main_~i~4 74), 100465#(<= ULTIMATE.start_main_~i~4 77), 100464#(<= ULTIMATE.start_main_~i~4 76), 100467#(<= ULTIMATE.start_main_~i~4 79), 100466#(<= ULTIMATE.start_main_~i~4 78), 100469#(<= ULTIMATE.start_main_~i~4 81), 100468#(<= ULTIMATE.start_main_~i~4 80), 100471#(<= ULTIMATE.start_main_~i~4 83), 100470#(<= ULTIMATE.start_main_~i~4 82), 100473#(<= ULTIMATE.start_main_~i~4 85), 100472#(<= ULTIMATE.start_main_~i~4 84), 100475#(<= ULTIMATE.start_main_~i~4 87), 100474#(<= ULTIMATE.start_main_~i~4 86), 100477#(<= ULTIMATE.start_main_~i~4 89), 100476#(<= ULTIMATE.start_main_~i~4 88), 100479#(<= ULTIMATE.start_main_~i~4 91), 100478#(<= ULTIMATE.start_main_~i~4 90), 100481#(<= ULTIMATE.start_main_~i~4 93), 100480#(<= ULTIMATE.start_main_~i~4 92), 100483#(<= ULTIMATE.start_main_~i~4 95), 100482#(<= ULTIMATE.start_main_~i~4 94), 100485#(<= ULTIMATE.start_main_~i~4 97), 100484#(<= ULTIMATE.start_main_~i~4 96), 100487#(<= ULTIMATE.start_main_~i~4 99), 100486#(<= ULTIMATE.start_main_~i~4 98), 100489#(<= ULTIMATE.start_main_~i~4 101), 100488#(<= ULTIMATE.start_main_~i~4 100), 100491#(<= ULTIMATE.start_main_~i~4 103), 100490#(<= ULTIMATE.start_main_~i~4 102), 100493#(<= ULTIMATE.start_main_~i~4 105), 100492#(<= ULTIMATE.start_main_~i~4 104), 100495#(<= ULTIMATE.start_main_~i~4 107), 100494#(<= ULTIMATE.start_main_~i~4 106), 100497#(<= ULTIMATE.start_main_~i~4 109), 100496#(<= ULTIMATE.start_main_~i~4 108), 100499#(<= ULTIMATE.start_main_~i~4 111), 100498#(<= ULTIMATE.start_main_~i~4 110), 100501#(<= ULTIMATE.start_main_~i~4 113), 100500#(<= ULTIMATE.start_main_~i~4 112), 100503#(<= ULTIMATE.start_main_~i~4 115), 100502#(<= ULTIMATE.start_main_~i~4 114), 100505#(<= ULTIMATE.start_main_~i~4 117), 100504#(<= ULTIMATE.start_main_~i~4 116), 100507#(<= ULTIMATE.start_main_~i~4 119), 100506#(<= ULTIMATE.start_main_~i~4 118), 100509#(<= ULTIMATE.start_main_~i~4 121), 100508#(<= ULTIMATE.start_main_~i~4 120), 100511#(<= ULTIMATE.start_main_~i~4 123), 100510#(<= ULTIMATE.start_main_~i~4 122), 100513#(<= ULTIMATE.start_main_~i~4 125), 100512#(<= ULTIMATE.start_main_~i~4 124), 100515#(<= ULTIMATE.start_main_~i~4 127), 100514#(<= ULTIMATE.start_main_~i~4 126), 100517#(<= ULTIMATE.start_main_~i~4 129), 100516#(<= ULTIMATE.start_main_~i~4 128), 100519#(<= ULTIMATE.start_main_~i~4 131), 100518#(<= ULTIMATE.start_main_~i~4 130), 100521#(<= ULTIMATE.start_main_~i~4 133), 100520#(<= ULTIMATE.start_main_~i~4 132), 100523#(<= ULTIMATE.start_main_~i~4 135), 100522#(<= ULTIMATE.start_main_~i~4 134), 100525#(<= ULTIMATE.start_main_~i~4 137), 100524#(<= ULTIMATE.start_main_~i~4 136), 100527#(<= ULTIMATE.start_main_~i~4 139), 100526#(<= ULTIMATE.start_main_~i~4 138), 100529#(<= ULTIMATE.start_main_~i~4 141), 100528#(<= ULTIMATE.start_main_~i~4 140), 100531#(<= ULTIMATE.start_main_~i~4 143), 100530#(<= ULTIMATE.start_main_~i~4 142), 100533#(<= ULTIMATE.start_main_~i~4 145), 100532#(<= ULTIMATE.start_main_~i~4 144), 100534#(<= ULTIMATE.start_main_~i~4 146)] [2018-07-23 13:44:09,875 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 13:44:09,875 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:44:09,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:44:09,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:44:09,877 INFO L87 Difference]: Start difference. First operand 297 states and 297 transitions. Second operand 149 states. [2018-07-23 13:44:10,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:10,468 INFO L93 Difference]: Finished difference Result 301 states and 301 transitions. [2018-07-23 13:44:10,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:44:10,468 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 296 [2018-07-23 13:44:10,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:10,470 INFO L225 Difference]: With dead ends: 301 [2018-07-23 13:44:10,470 INFO L226 Difference]: Without dead ends: 299 [2018-07-23 13:44:10,472 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:44:10,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-07-23 13:44:10,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-07-23 13:44:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-07-23 13:44:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 299 transitions. [2018-07-23 13:44:10,477 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 299 transitions. Word has length 296 [2018-07-23 13:44:10,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:10,477 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 299 transitions. [2018-07-23 13:44:10,477 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:44:10,477 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 299 transitions. [2018-07-23 13:44:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-07-23 13:44:10,478 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:10,478 INFO L357 BasicCegarLoop]: trace histogram [148, 147, 1, 1, 1] [2018-07-23 13:44:10,479 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:10,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1038934549, now seen corresponding path program 147 times [2018-07-23 13:44:10,479 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:11,181 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 13:44:11,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:11,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:44:11,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:11,182 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 13:44:11,182 INFO L185 omatonBuilderFactory]: Interpolants [101735#true, 101737#(<= ULTIMATE.start_main_~i~4 0), 101736#false, 101739#(<= ULTIMATE.start_main_~i~4 2), 101738#(<= ULTIMATE.start_main_~i~4 1), 101741#(<= ULTIMATE.start_main_~i~4 4), 101740#(<= ULTIMATE.start_main_~i~4 3), 101743#(<= ULTIMATE.start_main_~i~4 6), 101742#(<= ULTIMATE.start_main_~i~4 5), 101745#(<= ULTIMATE.start_main_~i~4 8), 101744#(<= ULTIMATE.start_main_~i~4 7), 101747#(<= ULTIMATE.start_main_~i~4 10), 101746#(<= ULTIMATE.start_main_~i~4 9), 101749#(<= ULTIMATE.start_main_~i~4 12), 101748#(<= ULTIMATE.start_main_~i~4 11), 101751#(<= ULTIMATE.start_main_~i~4 14), 101750#(<= ULTIMATE.start_main_~i~4 13), 101753#(<= ULTIMATE.start_main_~i~4 16), 101752#(<= ULTIMATE.start_main_~i~4 15), 101755#(<= ULTIMATE.start_main_~i~4 18), 101754#(<= ULTIMATE.start_main_~i~4 17), 101757#(<= ULTIMATE.start_main_~i~4 20), 101756#(<= ULTIMATE.start_main_~i~4 19), 101759#(<= ULTIMATE.start_main_~i~4 22), 101758#(<= ULTIMATE.start_main_~i~4 21), 101761#(<= ULTIMATE.start_main_~i~4 24), 101760#(<= ULTIMATE.start_main_~i~4 23), 101763#(<= ULTIMATE.start_main_~i~4 26), 101762#(<= ULTIMATE.start_main_~i~4 25), 101765#(<= ULTIMATE.start_main_~i~4 28), 101764#(<= ULTIMATE.start_main_~i~4 27), 101767#(<= ULTIMATE.start_main_~i~4 30), 101766#(<= ULTIMATE.start_main_~i~4 29), 101769#(<= ULTIMATE.start_main_~i~4 32), 101768#(<= ULTIMATE.start_main_~i~4 31), 101771#(<= ULTIMATE.start_main_~i~4 34), 101770#(<= ULTIMATE.start_main_~i~4 33), 101773#(<= ULTIMATE.start_main_~i~4 36), 101772#(<= ULTIMATE.start_main_~i~4 35), 101775#(<= ULTIMATE.start_main_~i~4 38), 101774#(<= ULTIMATE.start_main_~i~4 37), 101777#(<= ULTIMATE.start_main_~i~4 40), 101776#(<= ULTIMATE.start_main_~i~4 39), 101779#(<= ULTIMATE.start_main_~i~4 42), 101778#(<= ULTIMATE.start_main_~i~4 41), 101781#(<= ULTIMATE.start_main_~i~4 44), 101780#(<= ULTIMATE.start_main_~i~4 43), 101783#(<= ULTIMATE.start_main_~i~4 46), 101782#(<= ULTIMATE.start_main_~i~4 45), 101785#(<= ULTIMATE.start_main_~i~4 48), 101784#(<= ULTIMATE.start_main_~i~4 47), 101787#(<= ULTIMATE.start_main_~i~4 50), 101786#(<= ULTIMATE.start_main_~i~4 49), 101789#(<= ULTIMATE.start_main_~i~4 52), 101788#(<= ULTIMATE.start_main_~i~4 51), 101791#(<= ULTIMATE.start_main_~i~4 54), 101790#(<= ULTIMATE.start_main_~i~4 53), 101793#(<= ULTIMATE.start_main_~i~4 56), 101792#(<= ULTIMATE.start_main_~i~4 55), 101795#(<= ULTIMATE.start_main_~i~4 58), 101794#(<= ULTIMATE.start_main_~i~4 57), 101797#(<= ULTIMATE.start_main_~i~4 60), 101796#(<= ULTIMATE.start_main_~i~4 59), 101799#(<= ULTIMATE.start_main_~i~4 62), 101798#(<= ULTIMATE.start_main_~i~4 61), 101801#(<= ULTIMATE.start_main_~i~4 64), 101800#(<= ULTIMATE.start_main_~i~4 63), 101803#(<= ULTIMATE.start_main_~i~4 66), 101802#(<= ULTIMATE.start_main_~i~4 65), 101805#(<= ULTIMATE.start_main_~i~4 68), 101804#(<= ULTIMATE.start_main_~i~4 67), 101807#(<= ULTIMATE.start_main_~i~4 70), 101806#(<= ULTIMATE.start_main_~i~4 69), 101809#(<= ULTIMATE.start_main_~i~4 72), 101808#(<= ULTIMATE.start_main_~i~4 71), 101811#(<= ULTIMATE.start_main_~i~4 74), 101810#(<= ULTIMATE.start_main_~i~4 73), 101813#(<= ULTIMATE.start_main_~i~4 76), 101812#(<= ULTIMATE.start_main_~i~4 75), 101815#(<= ULTIMATE.start_main_~i~4 78), 101814#(<= ULTIMATE.start_main_~i~4 77), 101817#(<= ULTIMATE.start_main_~i~4 80), 101816#(<= ULTIMATE.start_main_~i~4 79), 101819#(<= ULTIMATE.start_main_~i~4 82), 101818#(<= ULTIMATE.start_main_~i~4 81), 101821#(<= ULTIMATE.start_main_~i~4 84), 101820#(<= ULTIMATE.start_main_~i~4 83), 101823#(<= ULTIMATE.start_main_~i~4 86), 101822#(<= ULTIMATE.start_main_~i~4 85), 101825#(<= ULTIMATE.start_main_~i~4 88), 101824#(<= ULTIMATE.start_main_~i~4 87), 101827#(<= ULTIMATE.start_main_~i~4 90), 101826#(<= ULTIMATE.start_main_~i~4 89), 101829#(<= ULTIMATE.start_main_~i~4 92), 101828#(<= ULTIMATE.start_main_~i~4 91), 101831#(<= ULTIMATE.start_main_~i~4 94), 101830#(<= ULTIMATE.start_main_~i~4 93), 101833#(<= ULTIMATE.start_main_~i~4 96), 101832#(<= ULTIMATE.start_main_~i~4 95), 101835#(<= ULTIMATE.start_main_~i~4 98), 101834#(<= ULTIMATE.start_main_~i~4 97), 101837#(<= ULTIMATE.start_main_~i~4 100), 101836#(<= ULTIMATE.start_main_~i~4 99), 101839#(<= ULTIMATE.start_main_~i~4 102), 101838#(<= ULTIMATE.start_main_~i~4 101), 101841#(<= ULTIMATE.start_main_~i~4 104), 101840#(<= ULTIMATE.start_main_~i~4 103), 101843#(<= ULTIMATE.start_main_~i~4 106), 101842#(<= ULTIMATE.start_main_~i~4 105), 101845#(<= ULTIMATE.start_main_~i~4 108), 101844#(<= ULTIMATE.start_main_~i~4 107), 101847#(<= ULTIMATE.start_main_~i~4 110), 101846#(<= ULTIMATE.start_main_~i~4 109), 101849#(<= ULTIMATE.start_main_~i~4 112), 101848#(<= ULTIMATE.start_main_~i~4 111), 101851#(<= ULTIMATE.start_main_~i~4 114), 101850#(<= ULTIMATE.start_main_~i~4 113), 101853#(<= ULTIMATE.start_main_~i~4 116), 101852#(<= ULTIMATE.start_main_~i~4 115), 101855#(<= ULTIMATE.start_main_~i~4 118), 101854#(<= ULTIMATE.start_main_~i~4 117), 101857#(<= ULTIMATE.start_main_~i~4 120), 101856#(<= ULTIMATE.start_main_~i~4 119), 101859#(<= ULTIMATE.start_main_~i~4 122), 101858#(<= ULTIMATE.start_main_~i~4 121), 101861#(<= ULTIMATE.start_main_~i~4 124), 101860#(<= ULTIMATE.start_main_~i~4 123), 101863#(<= ULTIMATE.start_main_~i~4 126), 101862#(<= ULTIMATE.start_main_~i~4 125), 101865#(<= ULTIMATE.start_main_~i~4 128), 101864#(<= ULTIMATE.start_main_~i~4 127), 101867#(<= ULTIMATE.start_main_~i~4 130), 101866#(<= ULTIMATE.start_main_~i~4 129), 101869#(<= ULTIMATE.start_main_~i~4 132), 101868#(<= ULTIMATE.start_main_~i~4 131), 101871#(<= ULTIMATE.start_main_~i~4 134), 101870#(<= ULTIMATE.start_main_~i~4 133), 101873#(<= ULTIMATE.start_main_~i~4 136), 101872#(<= ULTIMATE.start_main_~i~4 135), 101875#(<= ULTIMATE.start_main_~i~4 138), 101874#(<= ULTIMATE.start_main_~i~4 137), 101877#(<= ULTIMATE.start_main_~i~4 140), 101876#(<= ULTIMATE.start_main_~i~4 139), 101879#(<= ULTIMATE.start_main_~i~4 142), 101878#(<= ULTIMATE.start_main_~i~4 141), 101881#(<= ULTIMATE.start_main_~i~4 144), 101880#(<= ULTIMATE.start_main_~i~4 143), 101883#(<= ULTIMATE.start_main_~i~4 146), 101882#(<= ULTIMATE.start_main_~i~4 145), 101884#(<= ULTIMATE.start_main_~i~4 147)] [2018-07-23 13:44:11,183 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 13:44:11,183 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:44:11,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:44:11,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:44:11,186 INFO L87 Difference]: Start difference. First operand 299 states and 299 transitions. Second operand 150 states. [2018-07-23 13:44:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:11,769 INFO L93 Difference]: Finished difference Result 303 states and 303 transitions. [2018-07-23 13:44:11,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:44:11,770 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 298 [2018-07-23 13:44:11,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:11,770 INFO L225 Difference]: With dead ends: 303 [2018-07-23 13:44:11,771 INFO L226 Difference]: Without dead ends: 301 [2018-07-23 13:44:11,772 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 13:44:11,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-23 13:44:11,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-07-23 13:44:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-07-23 13:44:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 301 transitions. [2018-07-23 13:44:11,775 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 301 transitions. Word has length 298 [2018-07-23 13:44:11,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:11,775 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 301 transitions. [2018-07-23 13:44:11,775 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:44:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 301 transitions. [2018-07-23 13:44:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 13:44:11,776 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:11,776 INFO L357 BasicCegarLoop]: trace histogram [149, 148, 1, 1, 1] [2018-07-23 13:44:11,776 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:11,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1983741007, now seen corresponding path program 148 times [2018-07-23 13:44:11,776 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:12,361 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 13:44:12,361 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:12,361 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:44:12,361 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:12,362 INFO L185 omatonBuilderFactory]: Interpolants [103169#(<= ULTIMATE.start_main_~i~4 74), 103168#(<= ULTIMATE.start_main_~i~4 73), 103171#(<= ULTIMATE.start_main_~i~4 76), 103170#(<= ULTIMATE.start_main_~i~4 75), 103173#(<= ULTIMATE.start_main_~i~4 78), 103172#(<= ULTIMATE.start_main_~i~4 77), 103175#(<= ULTIMATE.start_main_~i~4 80), 103174#(<= ULTIMATE.start_main_~i~4 79), 103177#(<= ULTIMATE.start_main_~i~4 82), 103176#(<= ULTIMATE.start_main_~i~4 81), 103179#(<= ULTIMATE.start_main_~i~4 84), 103178#(<= ULTIMATE.start_main_~i~4 83), 103181#(<= ULTIMATE.start_main_~i~4 86), 103180#(<= ULTIMATE.start_main_~i~4 85), 103183#(<= ULTIMATE.start_main_~i~4 88), 103182#(<= ULTIMATE.start_main_~i~4 87), 103185#(<= ULTIMATE.start_main_~i~4 90), 103184#(<= ULTIMATE.start_main_~i~4 89), 103187#(<= ULTIMATE.start_main_~i~4 92), 103186#(<= ULTIMATE.start_main_~i~4 91), 103189#(<= ULTIMATE.start_main_~i~4 94), 103188#(<= ULTIMATE.start_main_~i~4 93), 103191#(<= ULTIMATE.start_main_~i~4 96), 103190#(<= ULTIMATE.start_main_~i~4 95), 103193#(<= ULTIMATE.start_main_~i~4 98), 103192#(<= ULTIMATE.start_main_~i~4 97), 103195#(<= ULTIMATE.start_main_~i~4 100), 103194#(<= ULTIMATE.start_main_~i~4 99), 103197#(<= ULTIMATE.start_main_~i~4 102), 103196#(<= ULTIMATE.start_main_~i~4 101), 103199#(<= ULTIMATE.start_main_~i~4 104), 103198#(<= ULTIMATE.start_main_~i~4 103), 103201#(<= ULTIMATE.start_main_~i~4 106), 103200#(<= ULTIMATE.start_main_~i~4 105), 103203#(<= ULTIMATE.start_main_~i~4 108), 103202#(<= ULTIMATE.start_main_~i~4 107), 103205#(<= ULTIMATE.start_main_~i~4 110), 103204#(<= ULTIMATE.start_main_~i~4 109), 103207#(<= ULTIMATE.start_main_~i~4 112), 103206#(<= ULTIMATE.start_main_~i~4 111), 103209#(<= ULTIMATE.start_main_~i~4 114), 103208#(<= ULTIMATE.start_main_~i~4 113), 103211#(<= ULTIMATE.start_main_~i~4 116), 103210#(<= ULTIMATE.start_main_~i~4 115), 103213#(<= ULTIMATE.start_main_~i~4 118), 103212#(<= ULTIMATE.start_main_~i~4 117), 103215#(<= ULTIMATE.start_main_~i~4 120), 103214#(<= ULTIMATE.start_main_~i~4 119), 103217#(<= ULTIMATE.start_main_~i~4 122), 103216#(<= ULTIMATE.start_main_~i~4 121), 103219#(<= ULTIMATE.start_main_~i~4 124), 103218#(<= ULTIMATE.start_main_~i~4 123), 103221#(<= ULTIMATE.start_main_~i~4 126), 103220#(<= ULTIMATE.start_main_~i~4 125), 103223#(<= ULTIMATE.start_main_~i~4 128), 103222#(<= ULTIMATE.start_main_~i~4 127), 103225#(<= ULTIMATE.start_main_~i~4 130), 103224#(<= ULTIMATE.start_main_~i~4 129), 103227#(<= ULTIMATE.start_main_~i~4 132), 103226#(<= ULTIMATE.start_main_~i~4 131), 103229#(<= ULTIMATE.start_main_~i~4 134), 103228#(<= ULTIMATE.start_main_~i~4 133), 103231#(<= ULTIMATE.start_main_~i~4 136), 103230#(<= ULTIMATE.start_main_~i~4 135), 103233#(<= ULTIMATE.start_main_~i~4 138), 103232#(<= ULTIMATE.start_main_~i~4 137), 103235#(<= ULTIMATE.start_main_~i~4 140), 103234#(<= ULTIMATE.start_main_~i~4 139), 103237#(<= ULTIMATE.start_main_~i~4 142), 103236#(<= ULTIMATE.start_main_~i~4 141), 103239#(<= ULTIMATE.start_main_~i~4 144), 103238#(<= ULTIMATE.start_main_~i~4 143), 103241#(<= ULTIMATE.start_main_~i~4 146), 103240#(<= ULTIMATE.start_main_~i~4 145), 103243#(<= ULTIMATE.start_main_~i~4 148), 103242#(<= ULTIMATE.start_main_~i~4 147), 103093#true, 103095#(<= ULTIMATE.start_main_~i~4 0), 103094#false, 103097#(<= ULTIMATE.start_main_~i~4 2), 103096#(<= ULTIMATE.start_main_~i~4 1), 103099#(<= ULTIMATE.start_main_~i~4 4), 103098#(<= ULTIMATE.start_main_~i~4 3), 103101#(<= ULTIMATE.start_main_~i~4 6), 103100#(<= ULTIMATE.start_main_~i~4 5), 103103#(<= ULTIMATE.start_main_~i~4 8), 103102#(<= ULTIMATE.start_main_~i~4 7), 103105#(<= ULTIMATE.start_main_~i~4 10), 103104#(<= ULTIMATE.start_main_~i~4 9), 103107#(<= ULTIMATE.start_main_~i~4 12), 103106#(<= ULTIMATE.start_main_~i~4 11), 103109#(<= ULTIMATE.start_main_~i~4 14), 103108#(<= ULTIMATE.start_main_~i~4 13), 103111#(<= ULTIMATE.start_main_~i~4 16), 103110#(<= ULTIMATE.start_main_~i~4 15), 103113#(<= ULTIMATE.start_main_~i~4 18), 103112#(<= ULTIMATE.start_main_~i~4 17), 103115#(<= ULTIMATE.start_main_~i~4 20), 103114#(<= ULTIMATE.start_main_~i~4 19), 103117#(<= ULTIMATE.start_main_~i~4 22), 103116#(<= ULTIMATE.start_main_~i~4 21), 103119#(<= ULTIMATE.start_main_~i~4 24), 103118#(<= ULTIMATE.start_main_~i~4 23), 103121#(<= ULTIMATE.start_main_~i~4 26), 103120#(<= ULTIMATE.start_main_~i~4 25), 103123#(<= ULTIMATE.start_main_~i~4 28), 103122#(<= ULTIMATE.start_main_~i~4 27), 103125#(<= ULTIMATE.start_main_~i~4 30), 103124#(<= ULTIMATE.start_main_~i~4 29), 103127#(<= ULTIMATE.start_main_~i~4 32), 103126#(<= ULTIMATE.start_main_~i~4 31), 103129#(<= ULTIMATE.start_main_~i~4 34), 103128#(<= ULTIMATE.start_main_~i~4 33), 103131#(<= ULTIMATE.start_main_~i~4 36), 103130#(<= ULTIMATE.start_main_~i~4 35), 103133#(<= ULTIMATE.start_main_~i~4 38), 103132#(<= ULTIMATE.start_main_~i~4 37), 103135#(<= ULTIMATE.start_main_~i~4 40), 103134#(<= ULTIMATE.start_main_~i~4 39), 103137#(<= ULTIMATE.start_main_~i~4 42), 103136#(<= ULTIMATE.start_main_~i~4 41), 103139#(<= ULTIMATE.start_main_~i~4 44), 103138#(<= ULTIMATE.start_main_~i~4 43), 103141#(<= ULTIMATE.start_main_~i~4 46), 103140#(<= ULTIMATE.start_main_~i~4 45), 103143#(<= ULTIMATE.start_main_~i~4 48), 103142#(<= ULTIMATE.start_main_~i~4 47), 103145#(<= ULTIMATE.start_main_~i~4 50), 103144#(<= ULTIMATE.start_main_~i~4 49), 103147#(<= ULTIMATE.start_main_~i~4 52), 103146#(<= ULTIMATE.start_main_~i~4 51), 103149#(<= ULTIMATE.start_main_~i~4 54), 103148#(<= ULTIMATE.start_main_~i~4 53), 103151#(<= ULTIMATE.start_main_~i~4 56), 103150#(<= ULTIMATE.start_main_~i~4 55), 103153#(<= ULTIMATE.start_main_~i~4 58), 103152#(<= ULTIMATE.start_main_~i~4 57), 103155#(<= ULTIMATE.start_main_~i~4 60), 103154#(<= ULTIMATE.start_main_~i~4 59), 103157#(<= ULTIMATE.start_main_~i~4 62), 103156#(<= ULTIMATE.start_main_~i~4 61), 103159#(<= ULTIMATE.start_main_~i~4 64), 103158#(<= ULTIMATE.start_main_~i~4 63), 103161#(<= ULTIMATE.start_main_~i~4 66), 103160#(<= ULTIMATE.start_main_~i~4 65), 103163#(<= ULTIMATE.start_main_~i~4 68), 103162#(<= ULTIMATE.start_main_~i~4 67), 103165#(<= ULTIMATE.start_main_~i~4 70), 103164#(<= ULTIMATE.start_main_~i~4 69), 103167#(<= ULTIMATE.start_main_~i~4 72), 103166#(<= ULTIMATE.start_main_~i~4 71)] [2018-07-23 13:44:12,363 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 13:44:12,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:44:12,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:44:12,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:44:12,365 INFO L87 Difference]: Start difference. First operand 301 states and 301 transitions. Second operand 151 states. [2018-07-23 13:44:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:12,575 INFO L93 Difference]: Finished difference Result 305 states and 305 transitions. [2018-07-23 13:44:12,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:44:12,575 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 300 [2018-07-23 13:44:12,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:12,576 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:44:12,576 INFO L226 Difference]: Without dead ends: 303 [2018-07-23 13:44:12,577 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:44:12,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-07-23 13:44:12,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2018-07-23 13:44:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-07-23 13:44:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 303 transitions. [2018-07-23 13:44:12,580 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 303 transitions. Word has length 300 [2018-07-23 13:44:12,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:12,580 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 303 transitions. [2018-07-23 13:44:12,580 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:44:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 303 transitions. [2018-07-23 13:44:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-07-23 13:44:12,581 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:12,581 INFO L357 BasicCegarLoop]: trace histogram [150, 149, 1, 1, 1] [2018-07-23 13:44:12,581 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:12,581 INFO L82 PathProgramCache]: Analyzing trace with hash -590319607, now seen corresponding path program 149 times [2018-07-23 13:44:12,581 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:13,194 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 13:44:13,195 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:13,195 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:44:13,195 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:13,195 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 13:44:13,195 INFO L185 omatonBuilderFactory]: Interpolants [104461#false, 104460#true, 104463#(<= ULTIMATE.start_main_~i~4 1), 104462#(<= ULTIMATE.start_main_~i~4 0), 104465#(<= ULTIMATE.start_main_~i~4 3), 104464#(<= ULTIMATE.start_main_~i~4 2), 104467#(<= ULTIMATE.start_main_~i~4 5), 104466#(<= ULTIMATE.start_main_~i~4 4), 104469#(<= ULTIMATE.start_main_~i~4 7), 104468#(<= ULTIMATE.start_main_~i~4 6), 104471#(<= ULTIMATE.start_main_~i~4 9), 104470#(<= ULTIMATE.start_main_~i~4 8), 104473#(<= ULTIMATE.start_main_~i~4 11), 104472#(<= ULTIMATE.start_main_~i~4 10), 104475#(<= ULTIMATE.start_main_~i~4 13), 104474#(<= ULTIMATE.start_main_~i~4 12), 104477#(<= ULTIMATE.start_main_~i~4 15), 104476#(<= ULTIMATE.start_main_~i~4 14), 104479#(<= ULTIMATE.start_main_~i~4 17), 104478#(<= ULTIMATE.start_main_~i~4 16), 104481#(<= ULTIMATE.start_main_~i~4 19), 104480#(<= ULTIMATE.start_main_~i~4 18), 104483#(<= ULTIMATE.start_main_~i~4 21), 104482#(<= ULTIMATE.start_main_~i~4 20), 104485#(<= ULTIMATE.start_main_~i~4 23), 104484#(<= ULTIMATE.start_main_~i~4 22), 104487#(<= ULTIMATE.start_main_~i~4 25), 104486#(<= ULTIMATE.start_main_~i~4 24), 104489#(<= ULTIMATE.start_main_~i~4 27), 104488#(<= ULTIMATE.start_main_~i~4 26), 104491#(<= ULTIMATE.start_main_~i~4 29), 104490#(<= ULTIMATE.start_main_~i~4 28), 104493#(<= ULTIMATE.start_main_~i~4 31), 104492#(<= ULTIMATE.start_main_~i~4 30), 104495#(<= ULTIMATE.start_main_~i~4 33), 104494#(<= ULTIMATE.start_main_~i~4 32), 104497#(<= ULTIMATE.start_main_~i~4 35), 104496#(<= ULTIMATE.start_main_~i~4 34), 104499#(<= ULTIMATE.start_main_~i~4 37), 104498#(<= ULTIMATE.start_main_~i~4 36), 104501#(<= ULTIMATE.start_main_~i~4 39), 104500#(<= ULTIMATE.start_main_~i~4 38), 104503#(<= ULTIMATE.start_main_~i~4 41), 104502#(<= ULTIMATE.start_main_~i~4 40), 104505#(<= ULTIMATE.start_main_~i~4 43), 104504#(<= ULTIMATE.start_main_~i~4 42), 104507#(<= ULTIMATE.start_main_~i~4 45), 104506#(<= ULTIMATE.start_main_~i~4 44), 104509#(<= ULTIMATE.start_main_~i~4 47), 104508#(<= ULTIMATE.start_main_~i~4 46), 104511#(<= ULTIMATE.start_main_~i~4 49), 104510#(<= ULTIMATE.start_main_~i~4 48), 104513#(<= ULTIMATE.start_main_~i~4 51), 104512#(<= ULTIMATE.start_main_~i~4 50), 104515#(<= ULTIMATE.start_main_~i~4 53), 104514#(<= ULTIMATE.start_main_~i~4 52), 104517#(<= ULTIMATE.start_main_~i~4 55), 104516#(<= ULTIMATE.start_main_~i~4 54), 104519#(<= ULTIMATE.start_main_~i~4 57), 104518#(<= ULTIMATE.start_main_~i~4 56), 104521#(<= ULTIMATE.start_main_~i~4 59), 104520#(<= ULTIMATE.start_main_~i~4 58), 104523#(<= ULTIMATE.start_main_~i~4 61), 104522#(<= ULTIMATE.start_main_~i~4 60), 104525#(<= ULTIMATE.start_main_~i~4 63), 104524#(<= ULTIMATE.start_main_~i~4 62), 104527#(<= ULTIMATE.start_main_~i~4 65), 104526#(<= ULTIMATE.start_main_~i~4 64), 104529#(<= ULTIMATE.start_main_~i~4 67), 104528#(<= ULTIMATE.start_main_~i~4 66), 104531#(<= ULTIMATE.start_main_~i~4 69), 104530#(<= ULTIMATE.start_main_~i~4 68), 104533#(<= ULTIMATE.start_main_~i~4 71), 104532#(<= ULTIMATE.start_main_~i~4 70), 104535#(<= ULTIMATE.start_main_~i~4 73), 104534#(<= ULTIMATE.start_main_~i~4 72), 104537#(<= ULTIMATE.start_main_~i~4 75), 104536#(<= ULTIMATE.start_main_~i~4 74), 104539#(<= ULTIMATE.start_main_~i~4 77), 104538#(<= ULTIMATE.start_main_~i~4 76), 104541#(<= ULTIMATE.start_main_~i~4 79), 104540#(<= ULTIMATE.start_main_~i~4 78), 104543#(<= ULTIMATE.start_main_~i~4 81), 104542#(<= ULTIMATE.start_main_~i~4 80), 104545#(<= ULTIMATE.start_main_~i~4 83), 104544#(<= ULTIMATE.start_main_~i~4 82), 104547#(<= ULTIMATE.start_main_~i~4 85), 104546#(<= ULTIMATE.start_main_~i~4 84), 104549#(<= ULTIMATE.start_main_~i~4 87), 104548#(<= ULTIMATE.start_main_~i~4 86), 104551#(<= ULTIMATE.start_main_~i~4 89), 104550#(<= ULTIMATE.start_main_~i~4 88), 104553#(<= ULTIMATE.start_main_~i~4 91), 104552#(<= ULTIMATE.start_main_~i~4 90), 104555#(<= ULTIMATE.start_main_~i~4 93), 104554#(<= ULTIMATE.start_main_~i~4 92), 104557#(<= ULTIMATE.start_main_~i~4 95), 104556#(<= ULTIMATE.start_main_~i~4 94), 104559#(<= ULTIMATE.start_main_~i~4 97), 104558#(<= ULTIMATE.start_main_~i~4 96), 104561#(<= ULTIMATE.start_main_~i~4 99), 104560#(<= ULTIMATE.start_main_~i~4 98), 104563#(<= ULTIMATE.start_main_~i~4 101), 104562#(<= ULTIMATE.start_main_~i~4 100), 104565#(<= ULTIMATE.start_main_~i~4 103), 104564#(<= ULTIMATE.start_main_~i~4 102), 104567#(<= ULTIMATE.start_main_~i~4 105), 104566#(<= ULTIMATE.start_main_~i~4 104), 104569#(<= ULTIMATE.start_main_~i~4 107), 104568#(<= ULTIMATE.start_main_~i~4 106), 104571#(<= ULTIMATE.start_main_~i~4 109), 104570#(<= ULTIMATE.start_main_~i~4 108), 104573#(<= ULTIMATE.start_main_~i~4 111), 104572#(<= ULTIMATE.start_main_~i~4 110), 104575#(<= ULTIMATE.start_main_~i~4 113), 104574#(<= ULTIMATE.start_main_~i~4 112), 104577#(<= ULTIMATE.start_main_~i~4 115), 104576#(<= ULTIMATE.start_main_~i~4 114), 104579#(<= ULTIMATE.start_main_~i~4 117), 104578#(<= ULTIMATE.start_main_~i~4 116), 104581#(<= ULTIMATE.start_main_~i~4 119), 104580#(<= ULTIMATE.start_main_~i~4 118), 104583#(<= ULTIMATE.start_main_~i~4 121), 104582#(<= ULTIMATE.start_main_~i~4 120), 104585#(<= ULTIMATE.start_main_~i~4 123), 104584#(<= ULTIMATE.start_main_~i~4 122), 104587#(<= ULTIMATE.start_main_~i~4 125), 104586#(<= ULTIMATE.start_main_~i~4 124), 104589#(<= ULTIMATE.start_main_~i~4 127), 104588#(<= ULTIMATE.start_main_~i~4 126), 104591#(<= ULTIMATE.start_main_~i~4 129), 104590#(<= ULTIMATE.start_main_~i~4 128), 104593#(<= ULTIMATE.start_main_~i~4 131), 104592#(<= ULTIMATE.start_main_~i~4 130), 104595#(<= ULTIMATE.start_main_~i~4 133), 104594#(<= ULTIMATE.start_main_~i~4 132), 104597#(<= ULTIMATE.start_main_~i~4 135), 104596#(<= ULTIMATE.start_main_~i~4 134), 104599#(<= ULTIMATE.start_main_~i~4 137), 104598#(<= ULTIMATE.start_main_~i~4 136), 104601#(<= ULTIMATE.start_main_~i~4 139), 104600#(<= ULTIMATE.start_main_~i~4 138), 104603#(<= ULTIMATE.start_main_~i~4 141), 104602#(<= ULTIMATE.start_main_~i~4 140), 104605#(<= ULTIMATE.start_main_~i~4 143), 104604#(<= ULTIMATE.start_main_~i~4 142), 104607#(<= ULTIMATE.start_main_~i~4 145), 104606#(<= ULTIMATE.start_main_~i~4 144), 104609#(<= ULTIMATE.start_main_~i~4 147), 104608#(<= ULTIMATE.start_main_~i~4 146), 104611#(<= ULTIMATE.start_main_~i~4 149), 104610#(<= ULTIMATE.start_main_~i~4 148)] [2018-07-23 13:44:13,196 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 13:44:13,196 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:44:13,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:44:13,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:44:13,198 INFO L87 Difference]: Start difference. First operand 303 states and 303 transitions. Second operand 152 states. [2018-07-23 13:44:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:13,867 INFO L93 Difference]: Finished difference Result 307 states and 307 transitions. [2018-07-23 13:44:13,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:44:13,867 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 302 [2018-07-23 13:44:13,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:13,868 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:44:13,868 INFO L226 Difference]: Without dead ends: 305 [2018-07-23 13:44:13,869 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 13:44:13,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-07-23 13:44:13,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2018-07-23 13:44:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-07-23 13:44:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 305 transitions. [2018-07-23 13:44:13,874 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 305 transitions. Word has length 302 [2018-07-23 13:44:13,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:13,874 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 305 transitions. [2018-07-23 13:44:13,874 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:44:13,874 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 305 transitions. [2018-07-23 13:44:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-23 13:44:13,875 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:13,875 INFO L357 BasicCegarLoop]: trace histogram [151, 150, 1, 1, 1] [2018-07-23 13:44:13,876 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:13,876 INFO L82 PathProgramCache]: Analyzing trace with hash -361407165, now seen corresponding path program 150 times [2018-07-23 13:44:13,876 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:14,448 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 13:44:14,448 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:14,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:44:14,449 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:14,449 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 13:44:14,449 INFO L185 omatonBuilderFactory]: Interpolants [105985#(<= ULTIMATE.start_main_~i~4 147), 105984#(<= ULTIMATE.start_main_~i~4 146), 105987#(<= ULTIMATE.start_main_~i~4 149), 105986#(<= ULTIMATE.start_main_~i~4 148), 105988#(<= ULTIMATE.start_main_~i~4 150), 105837#false, 105836#true, 105839#(<= ULTIMATE.start_main_~i~4 1), 105838#(<= ULTIMATE.start_main_~i~4 0), 105841#(<= ULTIMATE.start_main_~i~4 3), 105840#(<= ULTIMATE.start_main_~i~4 2), 105843#(<= ULTIMATE.start_main_~i~4 5), 105842#(<= ULTIMATE.start_main_~i~4 4), 105845#(<= ULTIMATE.start_main_~i~4 7), 105844#(<= ULTIMATE.start_main_~i~4 6), 105847#(<= ULTIMATE.start_main_~i~4 9), 105846#(<= ULTIMATE.start_main_~i~4 8), 105849#(<= ULTIMATE.start_main_~i~4 11), 105848#(<= ULTIMATE.start_main_~i~4 10), 105851#(<= ULTIMATE.start_main_~i~4 13), 105850#(<= ULTIMATE.start_main_~i~4 12), 105853#(<= ULTIMATE.start_main_~i~4 15), 105852#(<= ULTIMATE.start_main_~i~4 14), 105855#(<= ULTIMATE.start_main_~i~4 17), 105854#(<= ULTIMATE.start_main_~i~4 16), 105857#(<= ULTIMATE.start_main_~i~4 19), 105856#(<= ULTIMATE.start_main_~i~4 18), 105859#(<= ULTIMATE.start_main_~i~4 21), 105858#(<= ULTIMATE.start_main_~i~4 20), 105861#(<= ULTIMATE.start_main_~i~4 23), 105860#(<= ULTIMATE.start_main_~i~4 22), 105863#(<= ULTIMATE.start_main_~i~4 25), 105862#(<= ULTIMATE.start_main_~i~4 24), 105865#(<= ULTIMATE.start_main_~i~4 27), 105864#(<= ULTIMATE.start_main_~i~4 26), 105867#(<= ULTIMATE.start_main_~i~4 29), 105866#(<= ULTIMATE.start_main_~i~4 28), 105869#(<= ULTIMATE.start_main_~i~4 31), 105868#(<= ULTIMATE.start_main_~i~4 30), 105871#(<= ULTIMATE.start_main_~i~4 33), 105870#(<= ULTIMATE.start_main_~i~4 32), 105873#(<= ULTIMATE.start_main_~i~4 35), 105872#(<= ULTIMATE.start_main_~i~4 34), 105875#(<= ULTIMATE.start_main_~i~4 37), 105874#(<= ULTIMATE.start_main_~i~4 36), 105877#(<= ULTIMATE.start_main_~i~4 39), 105876#(<= ULTIMATE.start_main_~i~4 38), 105879#(<= ULTIMATE.start_main_~i~4 41), 105878#(<= ULTIMATE.start_main_~i~4 40), 105881#(<= ULTIMATE.start_main_~i~4 43), 105880#(<= ULTIMATE.start_main_~i~4 42), 105883#(<= ULTIMATE.start_main_~i~4 45), 105882#(<= ULTIMATE.start_main_~i~4 44), 105885#(<= ULTIMATE.start_main_~i~4 47), 105884#(<= ULTIMATE.start_main_~i~4 46), 105887#(<= ULTIMATE.start_main_~i~4 49), 105886#(<= ULTIMATE.start_main_~i~4 48), 105889#(<= ULTIMATE.start_main_~i~4 51), 105888#(<= ULTIMATE.start_main_~i~4 50), 105891#(<= ULTIMATE.start_main_~i~4 53), 105890#(<= ULTIMATE.start_main_~i~4 52), 105893#(<= ULTIMATE.start_main_~i~4 55), 105892#(<= ULTIMATE.start_main_~i~4 54), 105895#(<= ULTIMATE.start_main_~i~4 57), 105894#(<= ULTIMATE.start_main_~i~4 56), 105897#(<= ULTIMATE.start_main_~i~4 59), 105896#(<= ULTIMATE.start_main_~i~4 58), 105899#(<= ULTIMATE.start_main_~i~4 61), 105898#(<= ULTIMATE.start_main_~i~4 60), 105901#(<= ULTIMATE.start_main_~i~4 63), 105900#(<= ULTIMATE.start_main_~i~4 62), 105903#(<= ULTIMATE.start_main_~i~4 65), 105902#(<= ULTIMATE.start_main_~i~4 64), 105905#(<= ULTIMATE.start_main_~i~4 67), 105904#(<= ULTIMATE.start_main_~i~4 66), 105907#(<= ULTIMATE.start_main_~i~4 69), 105906#(<= ULTIMATE.start_main_~i~4 68), 105909#(<= ULTIMATE.start_main_~i~4 71), 105908#(<= ULTIMATE.start_main_~i~4 70), 105911#(<= ULTIMATE.start_main_~i~4 73), 105910#(<= ULTIMATE.start_main_~i~4 72), 105913#(<= ULTIMATE.start_main_~i~4 75), 105912#(<= ULTIMATE.start_main_~i~4 74), 105915#(<= ULTIMATE.start_main_~i~4 77), 105914#(<= ULTIMATE.start_main_~i~4 76), 105917#(<= ULTIMATE.start_main_~i~4 79), 105916#(<= ULTIMATE.start_main_~i~4 78), 105919#(<= ULTIMATE.start_main_~i~4 81), 105918#(<= ULTIMATE.start_main_~i~4 80), 105921#(<= ULTIMATE.start_main_~i~4 83), 105920#(<= ULTIMATE.start_main_~i~4 82), 105923#(<= ULTIMATE.start_main_~i~4 85), 105922#(<= ULTIMATE.start_main_~i~4 84), 105925#(<= ULTIMATE.start_main_~i~4 87), 105924#(<= ULTIMATE.start_main_~i~4 86), 105927#(<= ULTIMATE.start_main_~i~4 89), 105926#(<= ULTIMATE.start_main_~i~4 88), 105929#(<= ULTIMATE.start_main_~i~4 91), 105928#(<= ULTIMATE.start_main_~i~4 90), 105931#(<= ULTIMATE.start_main_~i~4 93), 105930#(<= ULTIMATE.start_main_~i~4 92), 105933#(<= ULTIMATE.start_main_~i~4 95), 105932#(<= ULTIMATE.start_main_~i~4 94), 105935#(<= ULTIMATE.start_main_~i~4 97), 105934#(<= ULTIMATE.start_main_~i~4 96), 105937#(<= ULTIMATE.start_main_~i~4 99), 105936#(<= ULTIMATE.start_main_~i~4 98), 105939#(<= ULTIMATE.start_main_~i~4 101), 105938#(<= ULTIMATE.start_main_~i~4 100), 105941#(<= ULTIMATE.start_main_~i~4 103), 105940#(<= ULTIMATE.start_main_~i~4 102), 105943#(<= ULTIMATE.start_main_~i~4 105), 105942#(<= ULTIMATE.start_main_~i~4 104), 105945#(<= ULTIMATE.start_main_~i~4 107), 105944#(<= ULTIMATE.start_main_~i~4 106), 105947#(<= ULTIMATE.start_main_~i~4 109), 105946#(<= ULTIMATE.start_main_~i~4 108), 105949#(<= ULTIMATE.start_main_~i~4 111), 105948#(<= ULTIMATE.start_main_~i~4 110), 105951#(<= ULTIMATE.start_main_~i~4 113), 105950#(<= ULTIMATE.start_main_~i~4 112), 105953#(<= ULTIMATE.start_main_~i~4 115), 105952#(<= ULTIMATE.start_main_~i~4 114), 105955#(<= ULTIMATE.start_main_~i~4 117), 105954#(<= ULTIMATE.start_main_~i~4 116), 105957#(<= ULTIMATE.start_main_~i~4 119), 105956#(<= ULTIMATE.start_main_~i~4 118), 105959#(<= ULTIMATE.start_main_~i~4 121), 105958#(<= ULTIMATE.start_main_~i~4 120), 105961#(<= ULTIMATE.start_main_~i~4 123), 105960#(<= ULTIMATE.start_main_~i~4 122), 105963#(<= ULTIMATE.start_main_~i~4 125), 105962#(<= ULTIMATE.start_main_~i~4 124), 105965#(<= ULTIMATE.start_main_~i~4 127), 105964#(<= ULTIMATE.start_main_~i~4 126), 105967#(<= ULTIMATE.start_main_~i~4 129), 105966#(<= ULTIMATE.start_main_~i~4 128), 105969#(<= ULTIMATE.start_main_~i~4 131), 105968#(<= ULTIMATE.start_main_~i~4 130), 105971#(<= ULTIMATE.start_main_~i~4 133), 105970#(<= ULTIMATE.start_main_~i~4 132), 105973#(<= ULTIMATE.start_main_~i~4 135), 105972#(<= ULTIMATE.start_main_~i~4 134), 105975#(<= ULTIMATE.start_main_~i~4 137), 105974#(<= ULTIMATE.start_main_~i~4 136), 105977#(<= ULTIMATE.start_main_~i~4 139), 105976#(<= ULTIMATE.start_main_~i~4 138), 105979#(<= ULTIMATE.start_main_~i~4 141), 105978#(<= ULTIMATE.start_main_~i~4 140), 105981#(<= ULTIMATE.start_main_~i~4 143), 105980#(<= ULTIMATE.start_main_~i~4 142), 105983#(<= ULTIMATE.start_main_~i~4 145), 105982#(<= ULTIMATE.start_main_~i~4 144)] [2018-07-23 13:44:14,451 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 13:44:14,451 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:44:14,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:44:14,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:44:14,454 INFO L87 Difference]: Start difference. First operand 305 states and 305 transitions. Second operand 153 states. [2018-07-23 13:44:15,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:15,034 INFO L93 Difference]: Finished difference Result 309 states and 309 transitions. [2018-07-23 13:44:15,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:44:15,034 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 304 [2018-07-23 13:44:15,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:15,035 INFO L225 Difference]: With dead ends: 309 [2018-07-23 13:44:15,035 INFO L226 Difference]: Without dead ends: 307 [2018-07-23 13:44:15,036 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:44:15,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-07-23 13:44:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-07-23 13:44:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-07-23 13:44:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 307 transitions. [2018-07-23 13:44:15,039 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 307 transitions. Word has length 304 [2018-07-23 13:44:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:15,039 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 307 transitions. [2018-07-23 13:44:15,039 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:44:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 307 transitions. [2018-07-23 13:44:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-23 13:44:15,040 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:15,040 INFO L357 BasicCegarLoop]: trace histogram [152, 151, 1, 1, 1] [2018-07-23 13:44:15,040 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:15,040 INFO L82 PathProgramCache]: Analyzing trace with hash 580117501, now seen corresponding path program 151 times [2018-07-23 13:44:15,041 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:15,592 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 13:44:15,592 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:15,592 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:44:15,592 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:15,593 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 13:44:15,593 INFO L185 omatonBuilderFactory]: Interpolants [107265#(<= ULTIMATE.start_main_~i~4 42), 107264#(<= ULTIMATE.start_main_~i~4 41), 107267#(<= ULTIMATE.start_main_~i~4 44), 107266#(<= ULTIMATE.start_main_~i~4 43), 107269#(<= ULTIMATE.start_main_~i~4 46), 107268#(<= ULTIMATE.start_main_~i~4 45), 107271#(<= ULTIMATE.start_main_~i~4 48), 107270#(<= ULTIMATE.start_main_~i~4 47), 107273#(<= ULTIMATE.start_main_~i~4 50), 107272#(<= ULTIMATE.start_main_~i~4 49), 107275#(<= ULTIMATE.start_main_~i~4 52), 107274#(<= ULTIMATE.start_main_~i~4 51), 107277#(<= ULTIMATE.start_main_~i~4 54), 107276#(<= ULTIMATE.start_main_~i~4 53), 107279#(<= ULTIMATE.start_main_~i~4 56), 107278#(<= ULTIMATE.start_main_~i~4 55), 107281#(<= ULTIMATE.start_main_~i~4 58), 107280#(<= ULTIMATE.start_main_~i~4 57), 107283#(<= ULTIMATE.start_main_~i~4 60), 107282#(<= ULTIMATE.start_main_~i~4 59), 107285#(<= ULTIMATE.start_main_~i~4 62), 107284#(<= ULTIMATE.start_main_~i~4 61), 107287#(<= ULTIMATE.start_main_~i~4 64), 107286#(<= ULTIMATE.start_main_~i~4 63), 107289#(<= ULTIMATE.start_main_~i~4 66), 107288#(<= ULTIMATE.start_main_~i~4 65), 107291#(<= ULTIMATE.start_main_~i~4 68), 107290#(<= ULTIMATE.start_main_~i~4 67), 107293#(<= ULTIMATE.start_main_~i~4 70), 107292#(<= ULTIMATE.start_main_~i~4 69), 107295#(<= ULTIMATE.start_main_~i~4 72), 107294#(<= ULTIMATE.start_main_~i~4 71), 107297#(<= ULTIMATE.start_main_~i~4 74), 107296#(<= ULTIMATE.start_main_~i~4 73), 107299#(<= ULTIMATE.start_main_~i~4 76), 107298#(<= ULTIMATE.start_main_~i~4 75), 107301#(<= ULTIMATE.start_main_~i~4 78), 107300#(<= ULTIMATE.start_main_~i~4 77), 107303#(<= ULTIMATE.start_main_~i~4 80), 107302#(<= ULTIMATE.start_main_~i~4 79), 107305#(<= ULTIMATE.start_main_~i~4 82), 107304#(<= ULTIMATE.start_main_~i~4 81), 107307#(<= ULTIMATE.start_main_~i~4 84), 107306#(<= ULTIMATE.start_main_~i~4 83), 107309#(<= ULTIMATE.start_main_~i~4 86), 107308#(<= ULTIMATE.start_main_~i~4 85), 107311#(<= ULTIMATE.start_main_~i~4 88), 107310#(<= ULTIMATE.start_main_~i~4 87), 107313#(<= ULTIMATE.start_main_~i~4 90), 107312#(<= ULTIMATE.start_main_~i~4 89), 107315#(<= ULTIMATE.start_main_~i~4 92), 107314#(<= ULTIMATE.start_main_~i~4 91), 107317#(<= ULTIMATE.start_main_~i~4 94), 107316#(<= ULTIMATE.start_main_~i~4 93), 107319#(<= ULTIMATE.start_main_~i~4 96), 107318#(<= ULTIMATE.start_main_~i~4 95), 107321#(<= ULTIMATE.start_main_~i~4 98), 107320#(<= ULTIMATE.start_main_~i~4 97), 107323#(<= ULTIMATE.start_main_~i~4 100), 107322#(<= ULTIMATE.start_main_~i~4 99), 107325#(<= ULTIMATE.start_main_~i~4 102), 107324#(<= ULTIMATE.start_main_~i~4 101), 107327#(<= ULTIMATE.start_main_~i~4 104), 107326#(<= ULTIMATE.start_main_~i~4 103), 107329#(<= ULTIMATE.start_main_~i~4 106), 107328#(<= ULTIMATE.start_main_~i~4 105), 107331#(<= ULTIMATE.start_main_~i~4 108), 107330#(<= ULTIMATE.start_main_~i~4 107), 107333#(<= ULTIMATE.start_main_~i~4 110), 107332#(<= ULTIMATE.start_main_~i~4 109), 107335#(<= ULTIMATE.start_main_~i~4 112), 107334#(<= ULTIMATE.start_main_~i~4 111), 107337#(<= ULTIMATE.start_main_~i~4 114), 107336#(<= ULTIMATE.start_main_~i~4 113), 107339#(<= ULTIMATE.start_main_~i~4 116), 107338#(<= ULTIMATE.start_main_~i~4 115), 107341#(<= ULTIMATE.start_main_~i~4 118), 107340#(<= ULTIMATE.start_main_~i~4 117), 107343#(<= ULTIMATE.start_main_~i~4 120), 107342#(<= ULTIMATE.start_main_~i~4 119), 107345#(<= ULTIMATE.start_main_~i~4 122), 107344#(<= ULTIMATE.start_main_~i~4 121), 107347#(<= ULTIMATE.start_main_~i~4 124), 107346#(<= ULTIMATE.start_main_~i~4 123), 107349#(<= ULTIMATE.start_main_~i~4 126), 107348#(<= ULTIMATE.start_main_~i~4 125), 107351#(<= ULTIMATE.start_main_~i~4 128), 107350#(<= ULTIMATE.start_main_~i~4 127), 107353#(<= ULTIMATE.start_main_~i~4 130), 107352#(<= ULTIMATE.start_main_~i~4 129), 107355#(<= ULTIMATE.start_main_~i~4 132), 107354#(<= ULTIMATE.start_main_~i~4 131), 107357#(<= ULTIMATE.start_main_~i~4 134), 107356#(<= ULTIMATE.start_main_~i~4 133), 107359#(<= ULTIMATE.start_main_~i~4 136), 107358#(<= ULTIMATE.start_main_~i~4 135), 107361#(<= ULTIMATE.start_main_~i~4 138), 107360#(<= ULTIMATE.start_main_~i~4 137), 107363#(<= ULTIMATE.start_main_~i~4 140), 107362#(<= ULTIMATE.start_main_~i~4 139), 107365#(<= ULTIMATE.start_main_~i~4 142), 107364#(<= ULTIMATE.start_main_~i~4 141), 107367#(<= ULTIMATE.start_main_~i~4 144), 107366#(<= ULTIMATE.start_main_~i~4 143), 107369#(<= ULTIMATE.start_main_~i~4 146), 107368#(<= ULTIMATE.start_main_~i~4 145), 107371#(<= ULTIMATE.start_main_~i~4 148), 107370#(<= ULTIMATE.start_main_~i~4 147), 107373#(<= ULTIMATE.start_main_~i~4 150), 107372#(<= ULTIMATE.start_main_~i~4 149), 107374#(<= ULTIMATE.start_main_~i~4 151), 107221#true, 107223#(<= ULTIMATE.start_main_~i~4 0), 107222#false, 107225#(<= ULTIMATE.start_main_~i~4 2), 107224#(<= ULTIMATE.start_main_~i~4 1), 107227#(<= ULTIMATE.start_main_~i~4 4), 107226#(<= ULTIMATE.start_main_~i~4 3), 107229#(<= ULTIMATE.start_main_~i~4 6), 107228#(<= ULTIMATE.start_main_~i~4 5), 107231#(<= ULTIMATE.start_main_~i~4 8), 107230#(<= ULTIMATE.start_main_~i~4 7), 107233#(<= ULTIMATE.start_main_~i~4 10), 107232#(<= ULTIMATE.start_main_~i~4 9), 107235#(<= ULTIMATE.start_main_~i~4 12), 107234#(<= ULTIMATE.start_main_~i~4 11), 107237#(<= ULTIMATE.start_main_~i~4 14), 107236#(<= ULTIMATE.start_main_~i~4 13), 107239#(<= ULTIMATE.start_main_~i~4 16), 107238#(<= ULTIMATE.start_main_~i~4 15), 107241#(<= ULTIMATE.start_main_~i~4 18), 107240#(<= ULTIMATE.start_main_~i~4 17), 107243#(<= ULTIMATE.start_main_~i~4 20), 107242#(<= ULTIMATE.start_main_~i~4 19), 107245#(<= ULTIMATE.start_main_~i~4 22), 107244#(<= ULTIMATE.start_main_~i~4 21), 107247#(<= ULTIMATE.start_main_~i~4 24), 107246#(<= ULTIMATE.start_main_~i~4 23), 107249#(<= ULTIMATE.start_main_~i~4 26), 107248#(<= ULTIMATE.start_main_~i~4 25), 107251#(<= ULTIMATE.start_main_~i~4 28), 107250#(<= ULTIMATE.start_main_~i~4 27), 107253#(<= ULTIMATE.start_main_~i~4 30), 107252#(<= ULTIMATE.start_main_~i~4 29), 107255#(<= ULTIMATE.start_main_~i~4 32), 107254#(<= ULTIMATE.start_main_~i~4 31), 107257#(<= ULTIMATE.start_main_~i~4 34), 107256#(<= ULTIMATE.start_main_~i~4 33), 107259#(<= ULTIMATE.start_main_~i~4 36), 107258#(<= ULTIMATE.start_main_~i~4 35), 107261#(<= ULTIMATE.start_main_~i~4 38), 107260#(<= ULTIMATE.start_main_~i~4 37), 107263#(<= ULTIMATE.start_main_~i~4 40), 107262#(<= ULTIMATE.start_main_~i~4 39)] [2018-07-23 13:44:15,594 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 13:44:15,594 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:44:15,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:44:15,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:44:15,596 INFO L87 Difference]: Start difference. First operand 307 states and 307 transitions. Second operand 154 states. [2018-07-23 13:44:16,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:16,022 INFO L93 Difference]: Finished difference Result 311 states and 311 transitions. [2018-07-23 13:44:16,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:44:16,022 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 306 [2018-07-23 13:44:16,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:16,023 INFO L225 Difference]: With dead ends: 311 [2018-07-23 13:44:16,023 INFO L226 Difference]: Without dead ends: 309 [2018-07-23 13:44:16,026 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 13:44:16,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-07-23 13:44:16,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-07-23 13:44:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-07-23 13:44:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 309 transitions. [2018-07-23 13:44:16,031 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 309 transitions. Word has length 306 [2018-07-23 13:44:16,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:16,031 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 309 transitions. [2018-07-23 13:44:16,032 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:44:16,032 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 309 transitions. [2018-07-23 13:44:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-07-23 13:44:16,033 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:16,033 INFO L357 BasicCegarLoop]: trace histogram [153, 152, 1, 1, 1] [2018-07-23 13:44:16,033 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:16,034 INFO L82 PathProgramCache]: Analyzing trace with hash -852777929, now seen corresponding path program 152 times [2018-07-23 13:44:16,034 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:16,777 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 13:44:16,778 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:16,778 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:44:16,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:16,779 INFO L185 omatonBuilderFactory]: Interpolants [108615#true, 108617#(<= ULTIMATE.start_main_~i~4 0), 108616#false, 108619#(<= ULTIMATE.start_main_~i~4 2), 108618#(<= ULTIMATE.start_main_~i~4 1), 108621#(<= ULTIMATE.start_main_~i~4 4), 108620#(<= ULTIMATE.start_main_~i~4 3), 108623#(<= ULTIMATE.start_main_~i~4 6), 108622#(<= ULTIMATE.start_main_~i~4 5), 108625#(<= ULTIMATE.start_main_~i~4 8), 108624#(<= ULTIMATE.start_main_~i~4 7), 108627#(<= ULTIMATE.start_main_~i~4 10), 108626#(<= ULTIMATE.start_main_~i~4 9), 108629#(<= ULTIMATE.start_main_~i~4 12), 108628#(<= ULTIMATE.start_main_~i~4 11), 108631#(<= ULTIMATE.start_main_~i~4 14), 108630#(<= ULTIMATE.start_main_~i~4 13), 108633#(<= ULTIMATE.start_main_~i~4 16), 108632#(<= ULTIMATE.start_main_~i~4 15), 108635#(<= ULTIMATE.start_main_~i~4 18), 108634#(<= ULTIMATE.start_main_~i~4 17), 108637#(<= ULTIMATE.start_main_~i~4 20), 108636#(<= ULTIMATE.start_main_~i~4 19), 108639#(<= ULTIMATE.start_main_~i~4 22), 108638#(<= ULTIMATE.start_main_~i~4 21), 108641#(<= ULTIMATE.start_main_~i~4 24), 108640#(<= ULTIMATE.start_main_~i~4 23), 108643#(<= ULTIMATE.start_main_~i~4 26), 108642#(<= ULTIMATE.start_main_~i~4 25), 108645#(<= ULTIMATE.start_main_~i~4 28), 108644#(<= ULTIMATE.start_main_~i~4 27), 108647#(<= ULTIMATE.start_main_~i~4 30), 108646#(<= ULTIMATE.start_main_~i~4 29), 108649#(<= ULTIMATE.start_main_~i~4 32), 108648#(<= ULTIMATE.start_main_~i~4 31), 108651#(<= ULTIMATE.start_main_~i~4 34), 108650#(<= ULTIMATE.start_main_~i~4 33), 108653#(<= ULTIMATE.start_main_~i~4 36), 108652#(<= ULTIMATE.start_main_~i~4 35), 108655#(<= ULTIMATE.start_main_~i~4 38), 108654#(<= ULTIMATE.start_main_~i~4 37), 108657#(<= ULTIMATE.start_main_~i~4 40), 108656#(<= ULTIMATE.start_main_~i~4 39), 108659#(<= ULTIMATE.start_main_~i~4 42), 108658#(<= ULTIMATE.start_main_~i~4 41), 108661#(<= ULTIMATE.start_main_~i~4 44), 108660#(<= ULTIMATE.start_main_~i~4 43), 108663#(<= ULTIMATE.start_main_~i~4 46), 108662#(<= ULTIMATE.start_main_~i~4 45), 108665#(<= ULTIMATE.start_main_~i~4 48), 108664#(<= ULTIMATE.start_main_~i~4 47), 108667#(<= ULTIMATE.start_main_~i~4 50), 108666#(<= ULTIMATE.start_main_~i~4 49), 108669#(<= ULTIMATE.start_main_~i~4 52), 108668#(<= ULTIMATE.start_main_~i~4 51), 108671#(<= ULTIMATE.start_main_~i~4 54), 108670#(<= ULTIMATE.start_main_~i~4 53), 108673#(<= ULTIMATE.start_main_~i~4 56), 108672#(<= ULTIMATE.start_main_~i~4 55), 108675#(<= ULTIMATE.start_main_~i~4 58), 108674#(<= ULTIMATE.start_main_~i~4 57), 108677#(<= ULTIMATE.start_main_~i~4 60), 108676#(<= ULTIMATE.start_main_~i~4 59), 108679#(<= ULTIMATE.start_main_~i~4 62), 108678#(<= ULTIMATE.start_main_~i~4 61), 108681#(<= ULTIMATE.start_main_~i~4 64), 108680#(<= ULTIMATE.start_main_~i~4 63), 108683#(<= ULTIMATE.start_main_~i~4 66), 108682#(<= ULTIMATE.start_main_~i~4 65), 108685#(<= ULTIMATE.start_main_~i~4 68), 108684#(<= ULTIMATE.start_main_~i~4 67), 108687#(<= ULTIMATE.start_main_~i~4 70), 108686#(<= ULTIMATE.start_main_~i~4 69), 108689#(<= ULTIMATE.start_main_~i~4 72), 108688#(<= ULTIMATE.start_main_~i~4 71), 108691#(<= ULTIMATE.start_main_~i~4 74), 108690#(<= ULTIMATE.start_main_~i~4 73), 108693#(<= ULTIMATE.start_main_~i~4 76), 108692#(<= ULTIMATE.start_main_~i~4 75), 108695#(<= ULTIMATE.start_main_~i~4 78), 108694#(<= ULTIMATE.start_main_~i~4 77), 108697#(<= ULTIMATE.start_main_~i~4 80), 108696#(<= ULTIMATE.start_main_~i~4 79), 108699#(<= ULTIMATE.start_main_~i~4 82), 108698#(<= ULTIMATE.start_main_~i~4 81), 108701#(<= ULTIMATE.start_main_~i~4 84), 108700#(<= ULTIMATE.start_main_~i~4 83), 108703#(<= ULTIMATE.start_main_~i~4 86), 108702#(<= ULTIMATE.start_main_~i~4 85), 108705#(<= ULTIMATE.start_main_~i~4 88), 108704#(<= ULTIMATE.start_main_~i~4 87), 108707#(<= ULTIMATE.start_main_~i~4 90), 108706#(<= ULTIMATE.start_main_~i~4 89), 108709#(<= ULTIMATE.start_main_~i~4 92), 108708#(<= ULTIMATE.start_main_~i~4 91), 108711#(<= ULTIMATE.start_main_~i~4 94), 108710#(<= ULTIMATE.start_main_~i~4 93), 108713#(<= ULTIMATE.start_main_~i~4 96), 108712#(<= ULTIMATE.start_main_~i~4 95), 108715#(<= ULTIMATE.start_main_~i~4 98), 108714#(<= ULTIMATE.start_main_~i~4 97), 108717#(<= ULTIMATE.start_main_~i~4 100), 108716#(<= ULTIMATE.start_main_~i~4 99), 108719#(<= ULTIMATE.start_main_~i~4 102), 108718#(<= ULTIMATE.start_main_~i~4 101), 108721#(<= ULTIMATE.start_main_~i~4 104), 108720#(<= ULTIMATE.start_main_~i~4 103), 108723#(<= ULTIMATE.start_main_~i~4 106), 108722#(<= ULTIMATE.start_main_~i~4 105), 108725#(<= ULTIMATE.start_main_~i~4 108), 108724#(<= ULTIMATE.start_main_~i~4 107), 108727#(<= ULTIMATE.start_main_~i~4 110), 108726#(<= ULTIMATE.start_main_~i~4 109), 108729#(<= ULTIMATE.start_main_~i~4 112), 108728#(<= ULTIMATE.start_main_~i~4 111), 108731#(<= ULTIMATE.start_main_~i~4 114), 108730#(<= ULTIMATE.start_main_~i~4 113), 108733#(<= ULTIMATE.start_main_~i~4 116), 108732#(<= ULTIMATE.start_main_~i~4 115), 108735#(<= ULTIMATE.start_main_~i~4 118), 108734#(<= ULTIMATE.start_main_~i~4 117), 108737#(<= ULTIMATE.start_main_~i~4 120), 108736#(<= ULTIMATE.start_main_~i~4 119), 108739#(<= ULTIMATE.start_main_~i~4 122), 108738#(<= ULTIMATE.start_main_~i~4 121), 108741#(<= ULTIMATE.start_main_~i~4 124), 108740#(<= ULTIMATE.start_main_~i~4 123), 108743#(<= ULTIMATE.start_main_~i~4 126), 108742#(<= ULTIMATE.start_main_~i~4 125), 108745#(<= ULTIMATE.start_main_~i~4 128), 108744#(<= ULTIMATE.start_main_~i~4 127), 108747#(<= ULTIMATE.start_main_~i~4 130), 108746#(<= ULTIMATE.start_main_~i~4 129), 108749#(<= ULTIMATE.start_main_~i~4 132), 108748#(<= ULTIMATE.start_main_~i~4 131), 108751#(<= ULTIMATE.start_main_~i~4 134), 108750#(<= ULTIMATE.start_main_~i~4 133), 108753#(<= ULTIMATE.start_main_~i~4 136), 108752#(<= ULTIMATE.start_main_~i~4 135), 108755#(<= ULTIMATE.start_main_~i~4 138), 108754#(<= ULTIMATE.start_main_~i~4 137), 108757#(<= ULTIMATE.start_main_~i~4 140), 108756#(<= ULTIMATE.start_main_~i~4 139), 108759#(<= ULTIMATE.start_main_~i~4 142), 108758#(<= ULTIMATE.start_main_~i~4 141), 108761#(<= ULTIMATE.start_main_~i~4 144), 108760#(<= ULTIMATE.start_main_~i~4 143), 108763#(<= ULTIMATE.start_main_~i~4 146), 108762#(<= ULTIMATE.start_main_~i~4 145), 108765#(<= ULTIMATE.start_main_~i~4 148), 108764#(<= ULTIMATE.start_main_~i~4 147), 108767#(<= ULTIMATE.start_main_~i~4 150), 108766#(<= ULTIMATE.start_main_~i~4 149), 108769#(<= ULTIMATE.start_main_~i~4 152), 108768#(<= ULTIMATE.start_main_~i~4 151)] [2018-07-23 13:44:16,780 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 13:44:16,780 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:44:16,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:44:16,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:44:16,783 INFO L87 Difference]: Start difference. First operand 309 states and 309 transitions. Second operand 155 states. [2018-07-23 13:44:17,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:17,598 INFO L93 Difference]: Finished difference Result 313 states and 313 transitions. [2018-07-23 13:44:17,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:44:17,598 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 308 [2018-07-23 13:44:17,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:17,599 INFO L225 Difference]: With dead ends: 313 [2018-07-23 13:44:17,599 INFO L226 Difference]: Without dead ends: 311 [2018-07-23 13:44:17,601 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:44:17,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-23 13:44:17,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-07-23 13:44:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-07-23 13:44:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 311 transitions. [2018-07-23 13:44:17,604 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 311 transitions. Word has length 308 [2018-07-23 13:44:17,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:17,604 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 311 transitions. [2018-07-23 13:44:17,605 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:44:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 311 transitions. [2018-07-23 13:44:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-07-23 13:44:17,605 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:17,606 INFO L357 BasicCegarLoop]: trace histogram [154, 153, 1, 1, 1] [2018-07-23 13:44:17,606 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash 819215857, now seen corresponding path program 153 times [2018-07-23 13:44:17,606 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:18,306 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 13:44:18,307 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:18,307 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:44:18,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:18,308 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 13:44:18,308 INFO L185 omatonBuilderFactory]: Interpolants [110081#(<= ULTIMATE.start_main_~i~4 61), 110080#(<= ULTIMATE.start_main_~i~4 60), 110083#(<= ULTIMATE.start_main_~i~4 63), 110082#(<= ULTIMATE.start_main_~i~4 62), 110085#(<= ULTIMATE.start_main_~i~4 65), 110084#(<= ULTIMATE.start_main_~i~4 64), 110087#(<= ULTIMATE.start_main_~i~4 67), 110086#(<= ULTIMATE.start_main_~i~4 66), 110089#(<= ULTIMATE.start_main_~i~4 69), 110088#(<= ULTIMATE.start_main_~i~4 68), 110091#(<= ULTIMATE.start_main_~i~4 71), 110090#(<= ULTIMATE.start_main_~i~4 70), 110093#(<= ULTIMATE.start_main_~i~4 73), 110092#(<= ULTIMATE.start_main_~i~4 72), 110095#(<= ULTIMATE.start_main_~i~4 75), 110094#(<= ULTIMATE.start_main_~i~4 74), 110097#(<= ULTIMATE.start_main_~i~4 77), 110096#(<= ULTIMATE.start_main_~i~4 76), 110099#(<= ULTIMATE.start_main_~i~4 79), 110098#(<= ULTIMATE.start_main_~i~4 78), 110101#(<= ULTIMATE.start_main_~i~4 81), 110100#(<= ULTIMATE.start_main_~i~4 80), 110103#(<= ULTIMATE.start_main_~i~4 83), 110102#(<= ULTIMATE.start_main_~i~4 82), 110105#(<= ULTIMATE.start_main_~i~4 85), 110104#(<= ULTIMATE.start_main_~i~4 84), 110107#(<= ULTIMATE.start_main_~i~4 87), 110106#(<= ULTIMATE.start_main_~i~4 86), 110109#(<= ULTIMATE.start_main_~i~4 89), 110108#(<= ULTIMATE.start_main_~i~4 88), 110111#(<= ULTIMATE.start_main_~i~4 91), 110110#(<= ULTIMATE.start_main_~i~4 90), 110113#(<= ULTIMATE.start_main_~i~4 93), 110112#(<= ULTIMATE.start_main_~i~4 92), 110115#(<= ULTIMATE.start_main_~i~4 95), 110114#(<= ULTIMATE.start_main_~i~4 94), 110117#(<= ULTIMATE.start_main_~i~4 97), 110116#(<= ULTIMATE.start_main_~i~4 96), 110119#(<= ULTIMATE.start_main_~i~4 99), 110118#(<= ULTIMATE.start_main_~i~4 98), 110121#(<= ULTIMATE.start_main_~i~4 101), 110120#(<= ULTIMATE.start_main_~i~4 100), 110123#(<= ULTIMATE.start_main_~i~4 103), 110122#(<= ULTIMATE.start_main_~i~4 102), 110125#(<= ULTIMATE.start_main_~i~4 105), 110124#(<= ULTIMATE.start_main_~i~4 104), 110127#(<= ULTIMATE.start_main_~i~4 107), 110126#(<= ULTIMATE.start_main_~i~4 106), 110129#(<= ULTIMATE.start_main_~i~4 109), 110128#(<= ULTIMATE.start_main_~i~4 108), 110131#(<= ULTIMATE.start_main_~i~4 111), 110130#(<= ULTIMATE.start_main_~i~4 110), 110133#(<= ULTIMATE.start_main_~i~4 113), 110132#(<= ULTIMATE.start_main_~i~4 112), 110135#(<= ULTIMATE.start_main_~i~4 115), 110134#(<= ULTIMATE.start_main_~i~4 114), 110137#(<= ULTIMATE.start_main_~i~4 117), 110136#(<= ULTIMATE.start_main_~i~4 116), 110139#(<= ULTIMATE.start_main_~i~4 119), 110138#(<= ULTIMATE.start_main_~i~4 118), 110141#(<= ULTIMATE.start_main_~i~4 121), 110140#(<= ULTIMATE.start_main_~i~4 120), 110143#(<= ULTIMATE.start_main_~i~4 123), 110142#(<= ULTIMATE.start_main_~i~4 122), 110145#(<= ULTIMATE.start_main_~i~4 125), 110144#(<= ULTIMATE.start_main_~i~4 124), 110147#(<= ULTIMATE.start_main_~i~4 127), 110146#(<= ULTIMATE.start_main_~i~4 126), 110149#(<= ULTIMATE.start_main_~i~4 129), 110148#(<= ULTIMATE.start_main_~i~4 128), 110151#(<= ULTIMATE.start_main_~i~4 131), 110150#(<= ULTIMATE.start_main_~i~4 130), 110153#(<= ULTIMATE.start_main_~i~4 133), 110152#(<= ULTIMATE.start_main_~i~4 132), 110155#(<= ULTIMATE.start_main_~i~4 135), 110154#(<= ULTIMATE.start_main_~i~4 134), 110157#(<= ULTIMATE.start_main_~i~4 137), 110156#(<= ULTIMATE.start_main_~i~4 136), 110159#(<= ULTIMATE.start_main_~i~4 139), 110158#(<= ULTIMATE.start_main_~i~4 138), 110161#(<= ULTIMATE.start_main_~i~4 141), 110160#(<= ULTIMATE.start_main_~i~4 140), 110163#(<= ULTIMATE.start_main_~i~4 143), 110162#(<= ULTIMATE.start_main_~i~4 142), 110165#(<= ULTIMATE.start_main_~i~4 145), 110164#(<= ULTIMATE.start_main_~i~4 144), 110167#(<= ULTIMATE.start_main_~i~4 147), 110166#(<= ULTIMATE.start_main_~i~4 146), 110169#(<= ULTIMATE.start_main_~i~4 149), 110168#(<= ULTIMATE.start_main_~i~4 148), 110171#(<= ULTIMATE.start_main_~i~4 151), 110170#(<= ULTIMATE.start_main_~i~4 150), 110173#(<= ULTIMATE.start_main_~i~4 153), 110172#(<= ULTIMATE.start_main_~i~4 152), 110019#false, 110018#true, 110021#(<= ULTIMATE.start_main_~i~4 1), 110020#(<= ULTIMATE.start_main_~i~4 0), 110023#(<= ULTIMATE.start_main_~i~4 3), 110022#(<= ULTIMATE.start_main_~i~4 2), 110025#(<= ULTIMATE.start_main_~i~4 5), 110024#(<= ULTIMATE.start_main_~i~4 4), 110027#(<= ULTIMATE.start_main_~i~4 7), 110026#(<= ULTIMATE.start_main_~i~4 6), 110029#(<= ULTIMATE.start_main_~i~4 9), 110028#(<= ULTIMATE.start_main_~i~4 8), 110031#(<= ULTIMATE.start_main_~i~4 11), 110030#(<= ULTIMATE.start_main_~i~4 10), 110033#(<= ULTIMATE.start_main_~i~4 13), 110032#(<= ULTIMATE.start_main_~i~4 12), 110035#(<= ULTIMATE.start_main_~i~4 15), 110034#(<= ULTIMATE.start_main_~i~4 14), 110037#(<= ULTIMATE.start_main_~i~4 17), 110036#(<= ULTIMATE.start_main_~i~4 16), 110039#(<= ULTIMATE.start_main_~i~4 19), 110038#(<= ULTIMATE.start_main_~i~4 18), 110041#(<= ULTIMATE.start_main_~i~4 21), 110040#(<= ULTIMATE.start_main_~i~4 20), 110043#(<= ULTIMATE.start_main_~i~4 23), 110042#(<= ULTIMATE.start_main_~i~4 22), 110045#(<= ULTIMATE.start_main_~i~4 25), 110044#(<= ULTIMATE.start_main_~i~4 24), 110047#(<= ULTIMATE.start_main_~i~4 27), 110046#(<= ULTIMATE.start_main_~i~4 26), 110049#(<= ULTIMATE.start_main_~i~4 29), 110048#(<= ULTIMATE.start_main_~i~4 28), 110051#(<= ULTIMATE.start_main_~i~4 31), 110050#(<= ULTIMATE.start_main_~i~4 30), 110053#(<= ULTIMATE.start_main_~i~4 33), 110052#(<= ULTIMATE.start_main_~i~4 32), 110055#(<= ULTIMATE.start_main_~i~4 35), 110054#(<= ULTIMATE.start_main_~i~4 34), 110057#(<= ULTIMATE.start_main_~i~4 37), 110056#(<= ULTIMATE.start_main_~i~4 36), 110059#(<= ULTIMATE.start_main_~i~4 39), 110058#(<= ULTIMATE.start_main_~i~4 38), 110061#(<= ULTIMATE.start_main_~i~4 41), 110060#(<= ULTIMATE.start_main_~i~4 40), 110063#(<= ULTIMATE.start_main_~i~4 43), 110062#(<= ULTIMATE.start_main_~i~4 42), 110065#(<= ULTIMATE.start_main_~i~4 45), 110064#(<= ULTIMATE.start_main_~i~4 44), 110067#(<= ULTIMATE.start_main_~i~4 47), 110066#(<= ULTIMATE.start_main_~i~4 46), 110069#(<= ULTIMATE.start_main_~i~4 49), 110068#(<= ULTIMATE.start_main_~i~4 48), 110071#(<= ULTIMATE.start_main_~i~4 51), 110070#(<= ULTIMATE.start_main_~i~4 50), 110073#(<= ULTIMATE.start_main_~i~4 53), 110072#(<= ULTIMATE.start_main_~i~4 52), 110075#(<= ULTIMATE.start_main_~i~4 55), 110074#(<= ULTIMATE.start_main_~i~4 54), 110077#(<= ULTIMATE.start_main_~i~4 57), 110076#(<= ULTIMATE.start_main_~i~4 56), 110079#(<= ULTIMATE.start_main_~i~4 59), 110078#(<= ULTIMATE.start_main_~i~4 58)] [2018-07-23 13:44:18,309 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 13:44:18,309 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:44:18,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:44:18,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:44:18,312 INFO L87 Difference]: Start difference. First operand 311 states and 311 transitions. Second operand 156 states. [2018-07-23 13:44:18,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:18,722 INFO L93 Difference]: Finished difference Result 315 states and 315 transitions. [2018-07-23 13:44:18,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:44:18,722 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 310 [2018-07-23 13:44:18,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:18,722 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:44:18,722 INFO L226 Difference]: Without dead ends: 313 [2018-07-23 13:44:18,724 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:44:18,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-23 13:44:18,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-07-23 13:44:18,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-07-23 13:44:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 313 transitions. [2018-07-23 13:44:18,728 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 313 transitions. Word has length 310 [2018-07-23 13:44:18,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:18,728 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 313 transitions. [2018-07-23 13:44:18,728 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:44:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 313 transitions. [2018-07-23 13:44:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-07-23 13:44:18,729 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:18,729 INFO L357 BasicCegarLoop]: trace histogram [155, 154, 1, 1, 1] [2018-07-23 13:44:18,729 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:18,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1287475499, now seen corresponding path program 154 times [2018-07-23 13:44:18,729 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:19,430 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 13:44:19,430 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:19,431 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:44:19,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:19,431 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 13:44:19,431 INFO L185 omatonBuilderFactory]: Interpolants [111431#false, 111430#true, 111433#(<= ULTIMATE.start_main_~i~4 1), 111432#(<= ULTIMATE.start_main_~i~4 0), 111435#(<= ULTIMATE.start_main_~i~4 3), 111434#(<= ULTIMATE.start_main_~i~4 2), 111437#(<= ULTIMATE.start_main_~i~4 5), 111436#(<= ULTIMATE.start_main_~i~4 4), 111439#(<= ULTIMATE.start_main_~i~4 7), 111438#(<= ULTIMATE.start_main_~i~4 6), 111441#(<= ULTIMATE.start_main_~i~4 9), 111440#(<= ULTIMATE.start_main_~i~4 8), 111443#(<= ULTIMATE.start_main_~i~4 11), 111442#(<= ULTIMATE.start_main_~i~4 10), 111445#(<= ULTIMATE.start_main_~i~4 13), 111444#(<= ULTIMATE.start_main_~i~4 12), 111447#(<= ULTIMATE.start_main_~i~4 15), 111446#(<= ULTIMATE.start_main_~i~4 14), 111449#(<= ULTIMATE.start_main_~i~4 17), 111448#(<= ULTIMATE.start_main_~i~4 16), 111451#(<= ULTIMATE.start_main_~i~4 19), 111450#(<= ULTIMATE.start_main_~i~4 18), 111453#(<= ULTIMATE.start_main_~i~4 21), 111452#(<= ULTIMATE.start_main_~i~4 20), 111455#(<= ULTIMATE.start_main_~i~4 23), 111454#(<= ULTIMATE.start_main_~i~4 22), 111457#(<= ULTIMATE.start_main_~i~4 25), 111456#(<= ULTIMATE.start_main_~i~4 24), 111459#(<= ULTIMATE.start_main_~i~4 27), 111458#(<= ULTIMATE.start_main_~i~4 26), 111461#(<= ULTIMATE.start_main_~i~4 29), 111460#(<= ULTIMATE.start_main_~i~4 28), 111463#(<= ULTIMATE.start_main_~i~4 31), 111462#(<= ULTIMATE.start_main_~i~4 30), 111465#(<= ULTIMATE.start_main_~i~4 33), 111464#(<= ULTIMATE.start_main_~i~4 32), 111467#(<= ULTIMATE.start_main_~i~4 35), 111466#(<= ULTIMATE.start_main_~i~4 34), 111469#(<= ULTIMATE.start_main_~i~4 37), 111468#(<= ULTIMATE.start_main_~i~4 36), 111471#(<= ULTIMATE.start_main_~i~4 39), 111470#(<= ULTIMATE.start_main_~i~4 38), 111473#(<= ULTIMATE.start_main_~i~4 41), 111472#(<= ULTIMATE.start_main_~i~4 40), 111475#(<= ULTIMATE.start_main_~i~4 43), 111474#(<= ULTIMATE.start_main_~i~4 42), 111477#(<= ULTIMATE.start_main_~i~4 45), 111476#(<= ULTIMATE.start_main_~i~4 44), 111479#(<= ULTIMATE.start_main_~i~4 47), 111478#(<= ULTIMATE.start_main_~i~4 46), 111481#(<= ULTIMATE.start_main_~i~4 49), 111480#(<= ULTIMATE.start_main_~i~4 48), 111483#(<= ULTIMATE.start_main_~i~4 51), 111482#(<= ULTIMATE.start_main_~i~4 50), 111485#(<= ULTIMATE.start_main_~i~4 53), 111484#(<= ULTIMATE.start_main_~i~4 52), 111487#(<= ULTIMATE.start_main_~i~4 55), 111486#(<= ULTIMATE.start_main_~i~4 54), 111489#(<= ULTIMATE.start_main_~i~4 57), 111488#(<= ULTIMATE.start_main_~i~4 56), 111491#(<= ULTIMATE.start_main_~i~4 59), 111490#(<= ULTIMATE.start_main_~i~4 58), 111493#(<= ULTIMATE.start_main_~i~4 61), 111492#(<= ULTIMATE.start_main_~i~4 60), 111495#(<= ULTIMATE.start_main_~i~4 63), 111494#(<= ULTIMATE.start_main_~i~4 62), 111497#(<= ULTIMATE.start_main_~i~4 65), 111496#(<= ULTIMATE.start_main_~i~4 64), 111499#(<= ULTIMATE.start_main_~i~4 67), 111498#(<= ULTIMATE.start_main_~i~4 66), 111501#(<= ULTIMATE.start_main_~i~4 69), 111500#(<= ULTIMATE.start_main_~i~4 68), 111503#(<= ULTIMATE.start_main_~i~4 71), 111502#(<= ULTIMATE.start_main_~i~4 70), 111505#(<= ULTIMATE.start_main_~i~4 73), 111504#(<= ULTIMATE.start_main_~i~4 72), 111507#(<= ULTIMATE.start_main_~i~4 75), 111506#(<= ULTIMATE.start_main_~i~4 74), 111509#(<= ULTIMATE.start_main_~i~4 77), 111508#(<= ULTIMATE.start_main_~i~4 76), 111511#(<= ULTIMATE.start_main_~i~4 79), 111510#(<= ULTIMATE.start_main_~i~4 78), 111513#(<= ULTIMATE.start_main_~i~4 81), 111512#(<= ULTIMATE.start_main_~i~4 80), 111515#(<= ULTIMATE.start_main_~i~4 83), 111514#(<= ULTIMATE.start_main_~i~4 82), 111517#(<= ULTIMATE.start_main_~i~4 85), 111516#(<= ULTIMATE.start_main_~i~4 84), 111519#(<= ULTIMATE.start_main_~i~4 87), 111518#(<= ULTIMATE.start_main_~i~4 86), 111521#(<= ULTIMATE.start_main_~i~4 89), 111520#(<= ULTIMATE.start_main_~i~4 88), 111523#(<= ULTIMATE.start_main_~i~4 91), 111522#(<= ULTIMATE.start_main_~i~4 90), 111525#(<= ULTIMATE.start_main_~i~4 93), 111524#(<= ULTIMATE.start_main_~i~4 92), 111527#(<= ULTIMATE.start_main_~i~4 95), 111526#(<= ULTIMATE.start_main_~i~4 94), 111529#(<= ULTIMATE.start_main_~i~4 97), 111528#(<= ULTIMATE.start_main_~i~4 96), 111531#(<= ULTIMATE.start_main_~i~4 99), 111530#(<= ULTIMATE.start_main_~i~4 98), 111533#(<= ULTIMATE.start_main_~i~4 101), 111532#(<= ULTIMATE.start_main_~i~4 100), 111535#(<= ULTIMATE.start_main_~i~4 103), 111534#(<= ULTIMATE.start_main_~i~4 102), 111537#(<= ULTIMATE.start_main_~i~4 105), 111536#(<= ULTIMATE.start_main_~i~4 104), 111539#(<= ULTIMATE.start_main_~i~4 107), 111538#(<= ULTIMATE.start_main_~i~4 106), 111541#(<= ULTIMATE.start_main_~i~4 109), 111540#(<= ULTIMATE.start_main_~i~4 108), 111543#(<= ULTIMATE.start_main_~i~4 111), 111542#(<= ULTIMATE.start_main_~i~4 110), 111545#(<= ULTIMATE.start_main_~i~4 113), 111544#(<= ULTIMATE.start_main_~i~4 112), 111547#(<= ULTIMATE.start_main_~i~4 115), 111546#(<= ULTIMATE.start_main_~i~4 114), 111549#(<= ULTIMATE.start_main_~i~4 117), 111548#(<= ULTIMATE.start_main_~i~4 116), 111551#(<= ULTIMATE.start_main_~i~4 119), 111550#(<= ULTIMATE.start_main_~i~4 118), 111553#(<= ULTIMATE.start_main_~i~4 121), 111552#(<= ULTIMATE.start_main_~i~4 120), 111555#(<= ULTIMATE.start_main_~i~4 123), 111554#(<= ULTIMATE.start_main_~i~4 122), 111557#(<= ULTIMATE.start_main_~i~4 125), 111556#(<= ULTIMATE.start_main_~i~4 124), 111559#(<= ULTIMATE.start_main_~i~4 127), 111558#(<= ULTIMATE.start_main_~i~4 126), 111561#(<= ULTIMATE.start_main_~i~4 129), 111560#(<= ULTIMATE.start_main_~i~4 128), 111563#(<= ULTIMATE.start_main_~i~4 131), 111562#(<= ULTIMATE.start_main_~i~4 130), 111565#(<= ULTIMATE.start_main_~i~4 133), 111564#(<= ULTIMATE.start_main_~i~4 132), 111567#(<= ULTIMATE.start_main_~i~4 135), 111566#(<= ULTIMATE.start_main_~i~4 134), 111569#(<= ULTIMATE.start_main_~i~4 137), 111568#(<= ULTIMATE.start_main_~i~4 136), 111571#(<= ULTIMATE.start_main_~i~4 139), 111570#(<= ULTIMATE.start_main_~i~4 138), 111573#(<= ULTIMATE.start_main_~i~4 141), 111572#(<= ULTIMATE.start_main_~i~4 140), 111575#(<= ULTIMATE.start_main_~i~4 143), 111574#(<= ULTIMATE.start_main_~i~4 142), 111577#(<= ULTIMATE.start_main_~i~4 145), 111576#(<= ULTIMATE.start_main_~i~4 144), 111579#(<= ULTIMATE.start_main_~i~4 147), 111578#(<= ULTIMATE.start_main_~i~4 146), 111581#(<= ULTIMATE.start_main_~i~4 149), 111580#(<= ULTIMATE.start_main_~i~4 148), 111583#(<= ULTIMATE.start_main_~i~4 151), 111582#(<= ULTIMATE.start_main_~i~4 150), 111585#(<= ULTIMATE.start_main_~i~4 153), 111584#(<= ULTIMATE.start_main_~i~4 152), 111586#(<= ULTIMATE.start_main_~i~4 154)] [2018-07-23 13:44:19,433 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 13:44:19,433 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:44:19,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:44:19,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:44:19,436 INFO L87 Difference]: Start difference. First operand 313 states and 313 transitions. Second operand 157 states. [2018-07-23 13:44:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:20,287 INFO L93 Difference]: Finished difference Result 317 states and 317 transitions. [2018-07-23 13:44:20,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:44:20,287 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 312 [2018-07-23 13:44:20,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:20,288 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:44:20,288 INFO L226 Difference]: Without dead ends: 315 [2018-07-23 13:44:20,290 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:44:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-07-23 13:44:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2018-07-23 13:44:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-07-23 13:44:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 315 transitions. [2018-07-23 13:44:20,295 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 315 transitions. Word has length 312 [2018-07-23 13:44:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:20,295 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 315 transitions. [2018-07-23 13:44:20,295 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:44:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 315 transitions. [2018-07-23 13:44:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-23 13:44:20,297 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:20,297 INFO L357 BasicCegarLoop]: trace histogram [156, 155, 1, 1, 1] [2018-07-23 13:44:20,297 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:20,297 INFO L82 PathProgramCache]: Analyzing trace with hash 313425381, now seen corresponding path program 155 times [2018-07-23 13:44:20,297 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:21,101 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 13:44:21,102 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:21,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:44:21,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:21,103 INFO L185 omatonBuilderFactory]: Interpolants [112897#(<= ULTIMATE.start_main_~i~4 44), 112896#(<= ULTIMATE.start_main_~i~4 43), 112899#(<= ULTIMATE.start_main_~i~4 46), 112898#(<= ULTIMATE.start_main_~i~4 45), 112901#(<= ULTIMATE.start_main_~i~4 48), 112900#(<= ULTIMATE.start_main_~i~4 47), 112903#(<= ULTIMATE.start_main_~i~4 50), 112902#(<= ULTIMATE.start_main_~i~4 49), 112905#(<= ULTIMATE.start_main_~i~4 52), 112904#(<= ULTIMATE.start_main_~i~4 51), 112907#(<= ULTIMATE.start_main_~i~4 54), 112906#(<= ULTIMATE.start_main_~i~4 53), 112909#(<= ULTIMATE.start_main_~i~4 56), 112908#(<= ULTIMATE.start_main_~i~4 55), 112911#(<= ULTIMATE.start_main_~i~4 58), 112910#(<= ULTIMATE.start_main_~i~4 57), 112913#(<= ULTIMATE.start_main_~i~4 60), 112912#(<= ULTIMATE.start_main_~i~4 59), 112915#(<= ULTIMATE.start_main_~i~4 62), 112914#(<= ULTIMATE.start_main_~i~4 61), 112917#(<= ULTIMATE.start_main_~i~4 64), 112916#(<= ULTIMATE.start_main_~i~4 63), 112919#(<= ULTIMATE.start_main_~i~4 66), 112918#(<= ULTIMATE.start_main_~i~4 65), 112921#(<= ULTIMATE.start_main_~i~4 68), 112920#(<= ULTIMATE.start_main_~i~4 67), 112923#(<= ULTIMATE.start_main_~i~4 70), 112922#(<= ULTIMATE.start_main_~i~4 69), 112925#(<= ULTIMATE.start_main_~i~4 72), 112924#(<= ULTIMATE.start_main_~i~4 71), 112927#(<= ULTIMATE.start_main_~i~4 74), 112926#(<= ULTIMATE.start_main_~i~4 73), 112929#(<= ULTIMATE.start_main_~i~4 76), 112928#(<= ULTIMATE.start_main_~i~4 75), 112931#(<= ULTIMATE.start_main_~i~4 78), 112930#(<= ULTIMATE.start_main_~i~4 77), 112933#(<= ULTIMATE.start_main_~i~4 80), 112932#(<= ULTIMATE.start_main_~i~4 79), 112935#(<= ULTIMATE.start_main_~i~4 82), 112934#(<= ULTIMATE.start_main_~i~4 81), 112937#(<= ULTIMATE.start_main_~i~4 84), 112936#(<= ULTIMATE.start_main_~i~4 83), 112939#(<= ULTIMATE.start_main_~i~4 86), 112938#(<= ULTIMATE.start_main_~i~4 85), 112941#(<= ULTIMATE.start_main_~i~4 88), 112940#(<= ULTIMATE.start_main_~i~4 87), 112943#(<= ULTIMATE.start_main_~i~4 90), 112942#(<= ULTIMATE.start_main_~i~4 89), 112945#(<= ULTIMATE.start_main_~i~4 92), 112944#(<= ULTIMATE.start_main_~i~4 91), 112947#(<= ULTIMATE.start_main_~i~4 94), 112946#(<= ULTIMATE.start_main_~i~4 93), 112949#(<= ULTIMATE.start_main_~i~4 96), 112948#(<= ULTIMATE.start_main_~i~4 95), 112951#(<= ULTIMATE.start_main_~i~4 98), 112950#(<= ULTIMATE.start_main_~i~4 97), 112953#(<= ULTIMATE.start_main_~i~4 100), 112952#(<= ULTIMATE.start_main_~i~4 99), 112955#(<= ULTIMATE.start_main_~i~4 102), 112954#(<= ULTIMATE.start_main_~i~4 101), 112957#(<= ULTIMATE.start_main_~i~4 104), 112956#(<= ULTIMATE.start_main_~i~4 103), 112959#(<= ULTIMATE.start_main_~i~4 106), 112958#(<= ULTIMATE.start_main_~i~4 105), 112961#(<= ULTIMATE.start_main_~i~4 108), 112960#(<= ULTIMATE.start_main_~i~4 107), 112963#(<= ULTIMATE.start_main_~i~4 110), 112962#(<= ULTIMATE.start_main_~i~4 109), 112965#(<= ULTIMATE.start_main_~i~4 112), 112964#(<= ULTIMATE.start_main_~i~4 111), 112967#(<= ULTIMATE.start_main_~i~4 114), 112966#(<= ULTIMATE.start_main_~i~4 113), 112969#(<= ULTIMATE.start_main_~i~4 116), 112968#(<= ULTIMATE.start_main_~i~4 115), 112971#(<= ULTIMATE.start_main_~i~4 118), 112970#(<= ULTIMATE.start_main_~i~4 117), 112973#(<= ULTIMATE.start_main_~i~4 120), 112972#(<= ULTIMATE.start_main_~i~4 119), 112975#(<= ULTIMATE.start_main_~i~4 122), 112974#(<= ULTIMATE.start_main_~i~4 121), 112977#(<= ULTIMATE.start_main_~i~4 124), 112976#(<= ULTIMATE.start_main_~i~4 123), 112979#(<= ULTIMATE.start_main_~i~4 126), 112978#(<= ULTIMATE.start_main_~i~4 125), 112981#(<= ULTIMATE.start_main_~i~4 128), 112980#(<= ULTIMATE.start_main_~i~4 127), 112983#(<= ULTIMATE.start_main_~i~4 130), 112982#(<= ULTIMATE.start_main_~i~4 129), 112985#(<= ULTIMATE.start_main_~i~4 132), 112984#(<= ULTIMATE.start_main_~i~4 131), 112987#(<= ULTIMATE.start_main_~i~4 134), 112986#(<= ULTIMATE.start_main_~i~4 133), 112989#(<= ULTIMATE.start_main_~i~4 136), 112988#(<= ULTIMATE.start_main_~i~4 135), 112991#(<= ULTIMATE.start_main_~i~4 138), 112990#(<= ULTIMATE.start_main_~i~4 137), 112993#(<= ULTIMATE.start_main_~i~4 140), 112992#(<= ULTIMATE.start_main_~i~4 139), 112995#(<= ULTIMATE.start_main_~i~4 142), 112994#(<= ULTIMATE.start_main_~i~4 141), 112997#(<= ULTIMATE.start_main_~i~4 144), 112996#(<= ULTIMATE.start_main_~i~4 143), 112999#(<= ULTIMATE.start_main_~i~4 146), 112998#(<= ULTIMATE.start_main_~i~4 145), 113001#(<= ULTIMATE.start_main_~i~4 148), 113000#(<= ULTIMATE.start_main_~i~4 147), 113003#(<= ULTIMATE.start_main_~i~4 150), 113002#(<= ULTIMATE.start_main_~i~4 149), 113005#(<= ULTIMATE.start_main_~i~4 152), 113004#(<= ULTIMATE.start_main_~i~4 151), 113007#(<= ULTIMATE.start_main_~i~4 154), 113006#(<= ULTIMATE.start_main_~i~4 153), 113008#(<= ULTIMATE.start_main_~i~4 155), 112851#true, 112853#(<= ULTIMATE.start_main_~i~4 0), 112852#false, 112855#(<= ULTIMATE.start_main_~i~4 2), 112854#(<= ULTIMATE.start_main_~i~4 1), 112857#(<= ULTIMATE.start_main_~i~4 4), 112856#(<= ULTIMATE.start_main_~i~4 3), 112859#(<= ULTIMATE.start_main_~i~4 6), 112858#(<= ULTIMATE.start_main_~i~4 5), 112861#(<= ULTIMATE.start_main_~i~4 8), 112860#(<= ULTIMATE.start_main_~i~4 7), 112863#(<= ULTIMATE.start_main_~i~4 10), 112862#(<= ULTIMATE.start_main_~i~4 9), 112865#(<= ULTIMATE.start_main_~i~4 12), 112864#(<= ULTIMATE.start_main_~i~4 11), 112867#(<= ULTIMATE.start_main_~i~4 14), 112866#(<= ULTIMATE.start_main_~i~4 13), 112869#(<= ULTIMATE.start_main_~i~4 16), 112868#(<= ULTIMATE.start_main_~i~4 15), 112871#(<= ULTIMATE.start_main_~i~4 18), 112870#(<= ULTIMATE.start_main_~i~4 17), 112873#(<= ULTIMATE.start_main_~i~4 20), 112872#(<= ULTIMATE.start_main_~i~4 19), 112875#(<= ULTIMATE.start_main_~i~4 22), 112874#(<= ULTIMATE.start_main_~i~4 21), 112877#(<= ULTIMATE.start_main_~i~4 24), 112876#(<= ULTIMATE.start_main_~i~4 23), 112879#(<= ULTIMATE.start_main_~i~4 26), 112878#(<= ULTIMATE.start_main_~i~4 25), 112881#(<= ULTIMATE.start_main_~i~4 28), 112880#(<= ULTIMATE.start_main_~i~4 27), 112883#(<= ULTIMATE.start_main_~i~4 30), 112882#(<= ULTIMATE.start_main_~i~4 29), 112885#(<= ULTIMATE.start_main_~i~4 32), 112884#(<= ULTIMATE.start_main_~i~4 31), 112887#(<= ULTIMATE.start_main_~i~4 34), 112886#(<= ULTIMATE.start_main_~i~4 33), 112889#(<= ULTIMATE.start_main_~i~4 36), 112888#(<= ULTIMATE.start_main_~i~4 35), 112891#(<= ULTIMATE.start_main_~i~4 38), 112890#(<= ULTIMATE.start_main_~i~4 37), 112893#(<= ULTIMATE.start_main_~i~4 40), 112892#(<= ULTIMATE.start_main_~i~4 39), 112895#(<= ULTIMATE.start_main_~i~4 42), 112894#(<= ULTIMATE.start_main_~i~4 41)] [2018-07-23 13:44:21,104 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 13:44:21,104 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:44:21,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:44:21,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:44:21,107 INFO L87 Difference]: Start difference. First operand 315 states and 315 transitions. Second operand 158 states. [2018-07-23 13:44:21,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:21,714 INFO L93 Difference]: Finished difference Result 319 states and 319 transitions. [2018-07-23 13:44:21,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:44:21,715 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 314 [2018-07-23 13:44:21,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:21,715 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:44:21,715 INFO L226 Difference]: Without dead ends: 317 [2018-07-23 13:44:21,717 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:44:21,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-07-23 13:44:21,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-07-23 13:44:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-07-23 13:44:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 317 transitions. [2018-07-23 13:44:21,720 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 317 transitions. Word has length 314 [2018-07-23 13:44:21,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:21,721 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 317 transitions. [2018-07-23 13:44:21,721 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:44:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 317 transitions. [2018-07-23 13:44:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-07-23 13:44:21,722 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:21,722 INFO L357 BasicCegarLoop]: trace histogram [157, 156, 1, 1, 1] [2018-07-23 13:44:21,722 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:21,722 INFO L82 PathProgramCache]: Analyzing trace with hash 554132511, now seen corresponding path program 156 times [2018-07-23 13:44:21,722 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:22,460 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 13:44:22,460 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:22,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:44:22,461 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:22,461 INFO L185 omatonBuilderFactory]: Interpolants [114433#(<= ULTIMATE.start_main_~i~4 150), 114432#(<= ULTIMATE.start_main_~i~4 149), 114435#(<= ULTIMATE.start_main_~i~4 152), 114434#(<= ULTIMATE.start_main_~i~4 151), 114437#(<= ULTIMATE.start_main_~i~4 154), 114436#(<= ULTIMATE.start_main_~i~4 153), 114439#(<= ULTIMATE.start_main_~i~4 156), 114438#(<= ULTIMATE.start_main_~i~4 155), 114281#true, 114283#(<= ULTIMATE.start_main_~i~4 0), 114282#false, 114285#(<= ULTIMATE.start_main_~i~4 2), 114284#(<= ULTIMATE.start_main_~i~4 1), 114287#(<= ULTIMATE.start_main_~i~4 4), 114286#(<= ULTIMATE.start_main_~i~4 3), 114289#(<= ULTIMATE.start_main_~i~4 6), 114288#(<= ULTIMATE.start_main_~i~4 5), 114291#(<= ULTIMATE.start_main_~i~4 8), 114290#(<= ULTIMATE.start_main_~i~4 7), 114293#(<= ULTIMATE.start_main_~i~4 10), 114292#(<= ULTIMATE.start_main_~i~4 9), 114295#(<= ULTIMATE.start_main_~i~4 12), 114294#(<= ULTIMATE.start_main_~i~4 11), 114297#(<= ULTIMATE.start_main_~i~4 14), 114296#(<= ULTIMATE.start_main_~i~4 13), 114299#(<= ULTIMATE.start_main_~i~4 16), 114298#(<= ULTIMATE.start_main_~i~4 15), 114301#(<= ULTIMATE.start_main_~i~4 18), 114300#(<= ULTIMATE.start_main_~i~4 17), 114303#(<= ULTIMATE.start_main_~i~4 20), 114302#(<= ULTIMATE.start_main_~i~4 19), 114305#(<= ULTIMATE.start_main_~i~4 22), 114304#(<= ULTIMATE.start_main_~i~4 21), 114307#(<= ULTIMATE.start_main_~i~4 24), 114306#(<= ULTIMATE.start_main_~i~4 23), 114309#(<= ULTIMATE.start_main_~i~4 26), 114308#(<= ULTIMATE.start_main_~i~4 25), 114311#(<= ULTIMATE.start_main_~i~4 28), 114310#(<= ULTIMATE.start_main_~i~4 27), 114313#(<= ULTIMATE.start_main_~i~4 30), 114312#(<= ULTIMATE.start_main_~i~4 29), 114315#(<= ULTIMATE.start_main_~i~4 32), 114314#(<= ULTIMATE.start_main_~i~4 31), 114317#(<= ULTIMATE.start_main_~i~4 34), 114316#(<= ULTIMATE.start_main_~i~4 33), 114319#(<= ULTIMATE.start_main_~i~4 36), 114318#(<= ULTIMATE.start_main_~i~4 35), 114321#(<= ULTIMATE.start_main_~i~4 38), 114320#(<= ULTIMATE.start_main_~i~4 37), 114323#(<= ULTIMATE.start_main_~i~4 40), 114322#(<= ULTIMATE.start_main_~i~4 39), 114325#(<= ULTIMATE.start_main_~i~4 42), 114324#(<= ULTIMATE.start_main_~i~4 41), 114327#(<= ULTIMATE.start_main_~i~4 44), 114326#(<= ULTIMATE.start_main_~i~4 43), 114329#(<= ULTIMATE.start_main_~i~4 46), 114328#(<= ULTIMATE.start_main_~i~4 45), 114331#(<= ULTIMATE.start_main_~i~4 48), 114330#(<= ULTIMATE.start_main_~i~4 47), 114333#(<= ULTIMATE.start_main_~i~4 50), 114332#(<= ULTIMATE.start_main_~i~4 49), 114335#(<= ULTIMATE.start_main_~i~4 52), 114334#(<= ULTIMATE.start_main_~i~4 51), 114337#(<= ULTIMATE.start_main_~i~4 54), 114336#(<= ULTIMATE.start_main_~i~4 53), 114339#(<= ULTIMATE.start_main_~i~4 56), 114338#(<= ULTIMATE.start_main_~i~4 55), 114341#(<= ULTIMATE.start_main_~i~4 58), 114340#(<= ULTIMATE.start_main_~i~4 57), 114343#(<= ULTIMATE.start_main_~i~4 60), 114342#(<= ULTIMATE.start_main_~i~4 59), 114345#(<= ULTIMATE.start_main_~i~4 62), 114344#(<= ULTIMATE.start_main_~i~4 61), 114347#(<= ULTIMATE.start_main_~i~4 64), 114346#(<= ULTIMATE.start_main_~i~4 63), 114349#(<= ULTIMATE.start_main_~i~4 66), 114348#(<= ULTIMATE.start_main_~i~4 65), 114351#(<= ULTIMATE.start_main_~i~4 68), 114350#(<= ULTIMATE.start_main_~i~4 67), 114353#(<= ULTIMATE.start_main_~i~4 70), 114352#(<= ULTIMATE.start_main_~i~4 69), 114355#(<= ULTIMATE.start_main_~i~4 72), 114354#(<= ULTIMATE.start_main_~i~4 71), 114357#(<= ULTIMATE.start_main_~i~4 74), 114356#(<= ULTIMATE.start_main_~i~4 73), 114359#(<= ULTIMATE.start_main_~i~4 76), 114358#(<= ULTIMATE.start_main_~i~4 75), 114361#(<= ULTIMATE.start_main_~i~4 78), 114360#(<= ULTIMATE.start_main_~i~4 77), 114363#(<= ULTIMATE.start_main_~i~4 80), 114362#(<= ULTIMATE.start_main_~i~4 79), 114365#(<= ULTIMATE.start_main_~i~4 82), 114364#(<= ULTIMATE.start_main_~i~4 81), 114367#(<= ULTIMATE.start_main_~i~4 84), 114366#(<= ULTIMATE.start_main_~i~4 83), 114369#(<= ULTIMATE.start_main_~i~4 86), 114368#(<= ULTIMATE.start_main_~i~4 85), 114371#(<= ULTIMATE.start_main_~i~4 88), 114370#(<= ULTIMATE.start_main_~i~4 87), 114373#(<= ULTIMATE.start_main_~i~4 90), 114372#(<= ULTIMATE.start_main_~i~4 89), 114375#(<= ULTIMATE.start_main_~i~4 92), 114374#(<= ULTIMATE.start_main_~i~4 91), 114377#(<= ULTIMATE.start_main_~i~4 94), 114376#(<= ULTIMATE.start_main_~i~4 93), 114379#(<= ULTIMATE.start_main_~i~4 96), 114378#(<= ULTIMATE.start_main_~i~4 95), 114381#(<= ULTIMATE.start_main_~i~4 98), 114380#(<= ULTIMATE.start_main_~i~4 97), 114383#(<= ULTIMATE.start_main_~i~4 100), 114382#(<= ULTIMATE.start_main_~i~4 99), 114385#(<= ULTIMATE.start_main_~i~4 102), 114384#(<= ULTIMATE.start_main_~i~4 101), 114387#(<= ULTIMATE.start_main_~i~4 104), 114386#(<= ULTIMATE.start_main_~i~4 103), 114389#(<= ULTIMATE.start_main_~i~4 106), 114388#(<= ULTIMATE.start_main_~i~4 105), 114391#(<= ULTIMATE.start_main_~i~4 108), 114390#(<= ULTIMATE.start_main_~i~4 107), 114393#(<= ULTIMATE.start_main_~i~4 110), 114392#(<= ULTIMATE.start_main_~i~4 109), 114395#(<= ULTIMATE.start_main_~i~4 112), 114394#(<= ULTIMATE.start_main_~i~4 111), 114397#(<= ULTIMATE.start_main_~i~4 114), 114396#(<= ULTIMATE.start_main_~i~4 113), 114399#(<= ULTIMATE.start_main_~i~4 116), 114398#(<= ULTIMATE.start_main_~i~4 115), 114401#(<= ULTIMATE.start_main_~i~4 118), 114400#(<= ULTIMATE.start_main_~i~4 117), 114403#(<= ULTIMATE.start_main_~i~4 120), 114402#(<= ULTIMATE.start_main_~i~4 119), 114405#(<= ULTIMATE.start_main_~i~4 122), 114404#(<= ULTIMATE.start_main_~i~4 121), 114407#(<= ULTIMATE.start_main_~i~4 124), 114406#(<= ULTIMATE.start_main_~i~4 123), 114409#(<= ULTIMATE.start_main_~i~4 126), 114408#(<= ULTIMATE.start_main_~i~4 125), 114411#(<= ULTIMATE.start_main_~i~4 128), 114410#(<= ULTIMATE.start_main_~i~4 127), 114413#(<= ULTIMATE.start_main_~i~4 130), 114412#(<= ULTIMATE.start_main_~i~4 129), 114415#(<= ULTIMATE.start_main_~i~4 132), 114414#(<= ULTIMATE.start_main_~i~4 131), 114417#(<= ULTIMATE.start_main_~i~4 134), 114416#(<= ULTIMATE.start_main_~i~4 133), 114419#(<= ULTIMATE.start_main_~i~4 136), 114418#(<= ULTIMATE.start_main_~i~4 135), 114421#(<= ULTIMATE.start_main_~i~4 138), 114420#(<= ULTIMATE.start_main_~i~4 137), 114423#(<= ULTIMATE.start_main_~i~4 140), 114422#(<= ULTIMATE.start_main_~i~4 139), 114425#(<= ULTIMATE.start_main_~i~4 142), 114424#(<= ULTIMATE.start_main_~i~4 141), 114427#(<= ULTIMATE.start_main_~i~4 144), 114426#(<= ULTIMATE.start_main_~i~4 143), 114429#(<= ULTIMATE.start_main_~i~4 146), 114428#(<= ULTIMATE.start_main_~i~4 145), 114431#(<= ULTIMATE.start_main_~i~4 148), 114430#(<= ULTIMATE.start_main_~i~4 147)] [2018-07-23 13:44:22,462 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 13:44:22,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:44:22,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:44:22,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:44:22,464 INFO L87 Difference]: Start difference. First operand 317 states and 317 transitions. Second operand 159 states. [2018-07-23 13:44:23,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:23,213 INFO L93 Difference]: Finished difference Result 321 states and 321 transitions. [2018-07-23 13:44:23,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:44:23,213 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 316 [2018-07-23 13:44:23,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:23,214 INFO L225 Difference]: With dead ends: 321 [2018-07-23 13:44:23,214 INFO L226 Difference]: Without dead ends: 319 [2018-07-23 13:44:23,215 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:44:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-07-23 13:44:23,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-07-23 13:44:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-07-23 13:44:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 319 transitions. [2018-07-23 13:44:23,218 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 319 transitions. Word has length 316 [2018-07-23 13:44:23,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:23,218 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 319 transitions. [2018-07-23 13:44:23,218 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:44:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 319 transitions. [2018-07-23 13:44:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-07-23 13:44:23,219 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:23,219 INFO L357 BasicCegarLoop]: trace histogram [158, 157, 1, 1, 1] [2018-07-23 13:44:23,219 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:23,220 INFO L82 PathProgramCache]: Analyzing trace with hash -54549543, now seen corresponding path program 157 times [2018-07-23 13:44:23,220 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:23,951 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 13:44:23,951 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:23,952 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:44:23,952 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:23,952 INFO L185 omatonBuilderFactory]: Interpolants [115721#false, 115720#true, 115723#(<= ULTIMATE.start_main_~i~4 1), 115722#(<= ULTIMATE.start_main_~i~4 0), 115725#(<= ULTIMATE.start_main_~i~4 3), 115724#(<= ULTIMATE.start_main_~i~4 2), 115727#(<= ULTIMATE.start_main_~i~4 5), 115726#(<= ULTIMATE.start_main_~i~4 4), 115729#(<= ULTIMATE.start_main_~i~4 7), 115728#(<= ULTIMATE.start_main_~i~4 6), 115731#(<= ULTIMATE.start_main_~i~4 9), 115730#(<= ULTIMATE.start_main_~i~4 8), 115733#(<= ULTIMATE.start_main_~i~4 11), 115732#(<= ULTIMATE.start_main_~i~4 10), 115735#(<= ULTIMATE.start_main_~i~4 13), 115734#(<= ULTIMATE.start_main_~i~4 12), 115737#(<= ULTIMATE.start_main_~i~4 15), 115736#(<= ULTIMATE.start_main_~i~4 14), 115739#(<= ULTIMATE.start_main_~i~4 17), 115738#(<= ULTIMATE.start_main_~i~4 16), 115741#(<= ULTIMATE.start_main_~i~4 19), 115740#(<= ULTIMATE.start_main_~i~4 18), 115743#(<= ULTIMATE.start_main_~i~4 21), 115742#(<= ULTIMATE.start_main_~i~4 20), 115745#(<= ULTIMATE.start_main_~i~4 23), 115744#(<= ULTIMATE.start_main_~i~4 22), 115747#(<= ULTIMATE.start_main_~i~4 25), 115746#(<= ULTIMATE.start_main_~i~4 24), 115749#(<= ULTIMATE.start_main_~i~4 27), 115748#(<= ULTIMATE.start_main_~i~4 26), 115751#(<= ULTIMATE.start_main_~i~4 29), 115750#(<= ULTIMATE.start_main_~i~4 28), 115753#(<= ULTIMATE.start_main_~i~4 31), 115752#(<= ULTIMATE.start_main_~i~4 30), 115755#(<= ULTIMATE.start_main_~i~4 33), 115754#(<= ULTIMATE.start_main_~i~4 32), 115757#(<= ULTIMATE.start_main_~i~4 35), 115756#(<= ULTIMATE.start_main_~i~4 34), 115759#(<= ULTIMATE.start_main_~i~4 37), 115758#(<= ULTIMATE.start_main_~i~4 36), 115761#(<= ULTIMATE.start_main_~i~4 39), 115760#(<= ULTIMATE.start_main_~i~4 38), 115763#(<= ULTIMATE.start_main_~i~4 41), 115762#(<= ULTIMATE.start_main_~i~4 40), 115765#(<= ULTIMATE.start_main_~i~4 43), 115764#(<= ULTIMATE.start_main_~i~4 42), 115767#(<= ULTIMATE.start_main_~i~4 45), 115766#(<= ULTIMATE.start_main_~i~4 44), 115769#(<= ULTIMATE.start_main_~i~4 47), 115768#(<= ULTIMATE.start_main_~i~4 46), 115771#(<= ULTIMATE.start_main_~i~4 49), 115770#(<= ULTIMATE.start_main_~i~4 48), 115773#(<= ULTIMATE.start_main_~i~4 51), 115772#(<= ULTIMATE.start_main_~i~4 50), 115775#(<= ULTIMATE.start_main_~i~4 53), 115774#(<= ULTIMATE.start_main_~i~4 52), 115777#(<= ULTIMATE.start_main_~i~4 55), 115776#(<= ULTIMATE.start_main_~i~4 54), 115779#(<= ULTIMATE.start_main_~i~4 57), 115778#(<= ULTIMATE.start_main_~i~4 56), 115781#(<= ULTIMATE.start_main_~i~4 59), 115780#(<= ULTIMATE.start_main_~i~4 58), 115783#(<= ULTIMATE.start_main_~i~4 61), 115782#(<= ULTIMATE.start_main_~i~4 60), 115785#(<= ULTIMATE.start_main_~i~4 63), 115784#(<= ULTIMATE.start_main_~i~4 62), 115787#(<= ULTIMATE.start_main_~i~4 65), 115786#(<= ULTIMATE.start_main_~i~4 64), 115789#(<= ULTIMATE.start_main_~i~4 67), 115788#(<= ULTIMATE.start_main_~i~4 66), 115791#(<= ULTIMATE.start_main_~i~4 69), 115790#(<= ULTIMATE.start_main_~i~4 68), 115793#(<= ULTIMATE.start_main_~i~4 71), 115792#(<= ULTIMATE.start_main_~i~4 70), 115795#(<= ULTIMATE.start_main_~i~4 73), 115794#(<= ULTIMATE.start_main_~i~4 72), 115797#(<= ULTIMATE.start_main_~i~4 75), 115796#(<= ULTIMATE.start_main_~i~4 74), 115799#(<= ULTIMATE.start_main_~i~4 77), 115798#(<= ULTIMATE.start_main_~i~4 76), 115801#(<= ULTIMATE.start_main_~i~4 79), 115800#(<= ULTIMATE.start_main_~i~4 78), 115803#(<= ULTIMATE.start_main_~i~4 81), 115802#(<= ULTIMATE.start_main_~i~4 80), 115805#(<= ULTIMATE.start_main_~i~4 83), 115804#(<= ULTIMATE.start_main_~i~4 82), 115807#(<= ULTIMATE.start_main_~i~4 85), 115806#(<= ULTIMATE.start_main_~i~4 84), 115809#(<= ULTIMATE.start_main_~i~4 87), 115808#(<= ULTIMATE.start_main_~i~4 86), 115811#(<= ULTIMATE.start_main_~i~4 89), 115810#(<= ULTIMATE.start_main_~i~4 88), 115813#(<= ULTIMATE.start_main_~i~4 91), 115812#(<= ULTIMATE.start_main_~i~4 90), 115815#(<= ULTIMATE.start_main_~i~4 93), 115814#(<= ULTIMATE.start_main_~i~4 92), 115817#(<= ULTIMATE.start_main_~i~4 95), 115816#(<= ULTIMATE.start_main_~i~4 94), 115819#(<= ULTIMATE.start_main_~i~4 97), 115818#(<= ULTIMATE.start_main_~i~4 96), 115821#(<= ULTIMATE.start_main_~i~4 99), 115820#(<= ULTIMATE.start_main_~i~4 98), 115823#(<= ULTIMATE.start_main_~i~4 101), 115822#(<= ULTIMATE.start_main_~i~4 100), 115825#(<= ULTIMATE.start_main_~i~4 103), 115824#(<= ULTIMATE.start_main_~i~4 102), 115827#(<= ULTIMATE.start_main_~i~4 105), 115826#(<= ULTIMATE.start_main_~i~4 104), 115829#(<= ULTIMATE.start_main_~i~4 107), 115828#(<= ULTIMATE.start_main_~i~4 106), 115831#(<= ULTIMATE.start_main_~i~4 109), 115830#(<= ULTIMATE.start_main_~i~4 108), 115833#(<= ULTIMATE.start_main_~i~4 111), 115832#(<= ULTIMATE.start_main_~i~4 110), 115835#(<= ULTIMATE.start_main_~i~4 113), 115834#(<= ULTIMATE.start_main_~i~4 112), 115837#(<= ULTIMATE.start_main_~i~4 115), 115836#(<= ULTIMATE.start_main_~i~4 114), 115839#(<= ULTIMATE.start_main_~i~4 117), 115838#(<= ULTIMATE.start_main_~i~4 116), 115841#(<= ULTIMATE.start_main_~i~4 119), 115840#(<= ULTIMATE.start_main_~i~4 118), 115843#(<= ULTIMATE.start_main_~i~4 121), 115842#(<= ULTIMATE.start_main_~i~4 120), 115845#(<= ULTIMATE.start_main_~i~4 123), 115844#(<= ULTIMATE.start_main_~i~4 122), 115847#(<= ULTIMATE.start_main_~i~4 125), 115846#(<= ULTIMATE.start_main_~i~4 124), 115849#(<= ULTIMATE.start_main_~i~4 127), 115848#(<= ULTIMATE.start_main_~i~4 126), 115851#(<= ULTIMATE.start_main_~i~4 129), 115850#(<= ULTIMATE.start_main_~i~4 128), 115853#(<= ULTIMATE.start_main_~i~4 131), 115852#(<= ULTIMATE.start_main_~i~4 130), 115855#(<= ULTIMATE.start_main_~i~4 133), 115854#(<= ULTIMATE.start_main_~i~4 132), 115857#(<= ULTIMATE.start_main_~i~4 135), 115856#(<= ULTIMATE.start_main_~i~4 134), 115859#(<= ULTIMATE.start_main_~i~4 137), 115858#(<= ULTIMATE.start_main_~i~4 136), 115861#(<= ULTIMATE.start_main_~i~4 139), 115860#(<= ULTIMATE.start_main_~i~4 138), 115863#(<= ULTIMATE.start_main_~i~4 141), 115862#(<= ULTIMATE.start_main_~i~4 140), 115865#(<= ULTIMATE.start_main_~i~4 143), 115864#(<= ULTIMATE.start_main_~i~4 142), 115867#(<= ULTIMATE.start_main_~i~4 145), 115866#(<= ULTIMATE.start_main_~i~4 144), 115869#(<= ULTIMATE.start_main_~i~4 147), 115868#(<= ULTIMATE.start_main_~i~4 146), 115871#(<= ULTIMATE.start_main_~i~4 149), 115870#(<= ULTIMATE.start_main_~i~4 148), 115873#(<= ULTIMATE.start_main_~i~4 151), 115872#(<= ULTIMATE.start_main_~i~4 150), 115875#(<= ULTIMATE.start_main_~i~4 153), 115874#(<= ULTIMATE.start_main_~i~4 152), 115877#(<= ULTIMATE.start_main_~i~4 155), 115876#(<= ULTIMATE.start_main_~i~4 154), 115879#(<= ULTIMATE.start_main_~i~4 157), 115878#(<= ULTIMATE.start_main_~i~4 156)] [2018-07-23 13:44:23,954 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 13:44:23,954 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:44:23,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:44:23,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:44:23,957 INFO L87 Difference]: Start difference. First operand 319 states and 319 transitions. Second operand 160 states. [2018-07-23 13:44:24,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:24,956 INFO L93 Difference]: Finished difference Result 323 states and 323 transitions. [2018-07-23 13:44:24,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:44:24,956 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 318 [2018-07-23 13:44:24,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:24,956 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:44:24,957 INFO L226 Difference]: Without dead ends: 321 [2018-07-23 13:44:24,958 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:44:24,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-07-23 13:44:24,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-07-23 13:44:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-07-23 13:44:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 321 transitions. [2018-07-23 13:44:24,961 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 321 transitions. Word has length 318 [2018-07-23 13:44:24,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:24,961 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 321 transitions. [2018-07-23 13:44:24,961 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:44:24,961 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 321 transitions. [2018-07-23 13:44:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-07-23 13:44:24,962 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:24,962 INFO L357 BasicCegarLoop]: trace histogram [159, 158, 1, 1, 1] [2018-07-23 13:44:24,962 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:24,962 INFO L82 PathProgramCache]: Analyzing trace with hash -882451181, now seen corresponding path program 158 times [2018-07-23 13:44:24,963 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:25,576 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 13:44:25,577 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:25,577 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:44:25,577 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:25,577 INFO L185 omatonBuilderFactory]: Interpolants [117249#(<= ULTIMATE.start_main_~i~4 79), 117248#(<= ULTIMATE.start_main_~i~4 78), 117251#(<= ULTIMATE.start_main_~i~4 81), 117250#(<= ULTIMATE.start_main_~i~4 80), 117253#(<= ULTIMATE.start_main_~i~4 83), 117252#(<= ULTIMATE.start_main_~i~4 82), 117255#(<= ULTIMATE.start_main_~i~4 85), 117254#(<= ULTIMATE.start_main_~i~4 84), 117257#(<= ULTIMATE.start_main_~i~4 87), 117256#(<= ULTIMATE.start_main_~i~4 86), 117259#(<= ULTIMATE.start_main_~i~4 89), 117258#(<= ULTIMATE.start_main_~i~4 88), 117261#(<= ULTIMATE.start_main_~i~4 91), 117260#(<= ULTIMATE.start_main_~i~4 90), 117263#(<= ULTIMATE.start_main_~i~4 93), 117262#(<= ULTIMATE.start_main_~i~4 92), 117265#(<= ULTIMATE.start_main_~i~4 95), 117264#(<= ULTIMATE.start_main_~i~4 94), 117267#(<= ULTIMATE.start_main_~i~4 97), 117266#(<= ULTIMATE.start_main_~i~4 96), 117269#(<= ULTIMATE.start_main_~i~4 99), 117268#(<= ULTIMATE.start_main_~i~4 98), 117271#(<= ULTIMATE.start_main_~i~4 101), 117270#(<= ULTIMATE.start_main_~i~4 100), 117273#(<= ULTIMATE.start_main_~i~4 103), 117272#(<= ULTIMATE.start_main_~i~4 102), 117275#(<= ULTIMATE.start_main_~i~4 105), 117274#(<= ULTIMATE.start_main_~i~4 104), 117277#(<= ULTIMATE.start_main_~i~4 107), 117276#(<= ULTIMATE.start_main_~i~4 106), 117279#(<= ULTIMATE.start_main_~i~4 109), 117278#(<= ULTIMATE.start_main_~i~4 108), 117281#(<= ULTIMATE.start_main_~i~4 111), 117280#(<= ULTIMATE.start_main_~i~4 110), 117283#(<= ULTIMATE.start_main_~i~4 113), 117282#(<= ULTIMATE.start_main_~i~4 112), 117285#(<= ULTIMATE.start_main_~i~4 115), 117284#(<= ULTIMATE.start_main_~i~4 114), 117287#(<= ULTIMATE.start_main_~i~4 117), 117286#(<= ULTIMATE.start_main_~i~4 116), 117289#(<= ULTIMATE.start_main_~i~4 119), 117288#(<= ULTIMATE.start_main_~i~4 118), 117291#(<= ULTIMATE.start_main_~i~4 121), 117290#(<= ULTIMATE.start_main_~i~4 120), 117293#(<= ULTIMATE.start_main_~i~4 123), 117292#(<= ULTIMATE.start_main_~i~4 122), 117295#(<= ULTIMATE.start_main_~i~4 125), 117294#(<= ULTIMATE.start_main_~i~4 124), 117297#(<= ULTIMATE.start_main_~i~4 127), 117296#(<= ULTIMATE.start_main_~i~4 126), 117299#(<= ULTIMATE.start_main_~i~4 129), 117298#(<= ULTIMATE.start_main_~i~4 128), 117301#(<= ULTIMATE.start_main_~i~4 131), 117300#(<= ULTIMATE.start_main_~i~4 130), 117303#(<= ULTIMATE.start_main_~i~4 133), 117302#(<= ULTIMATE.start_main_~i~4 132), 117305#(<= ULTIMATE.start_main_~i~4 135), 117304#(<= ULTIMATE.start_main_~i~4 134), 117307#(<= ULTIMATE.start_main_~i~4 137), 117306#(<= ULTIMATE.start_main_~i~4 136), 117309#(<= ULTIMATE.start_main_~i~4 139), 117308#(<= ULTIMATE.start_main_~i~4 138), 117311#(<= ULTIMATE.start_main_~i~4 141), 117310#(<= ULTIMATE.start_main_~i~4 140), 117313#(<= ULTIMATE.start_main_~i~4 143), 117312#(<= ULTIMATE.start_main_~i~4 142), 117315#(<= ULTIMATE.start_main_~i~4 145), 117314#(<= ULTIMATE.start_main_~i~4 144), 117317#(<= ULTIMATE.start_main_~i~4 147), 117316#(<= ULTIMATE.start_main_~i~4 146), 117319#(<= ULTIMATE.start_main_~i~4 149), 117318#(<= ULTIMATE.start_main_~i~4 148), 117321#(<= ULTIMATE.start_main_~i~4 151), 117320#(<= ULTIMATE.start_main_~i~4 150), 117323#(<= ULTIMATE.start_main_~i~4 153), 117322#(<= ULTIMATE.start_main_~i~4 152), 117325#(<= ULTIMATE.start_main_~i~4 155), 117324#(<= ULTIMATE.start_main_~i~4 154), 117327#(<= ULTIMATE.start_main_~i~4 157), 117326#(<= ULTIMATE.start_main_~i~4 156), 117328#(<= ULTIMATE.start_main_~i~4 158), 117169#false, 117168#true, 117171#(<= ULTIMATE.start_main_~i~4 1), 117170#(<= ULTIMATE.start_main_~i~4 0), 117173#(<= ULTIMATE.start_main_~i~4 3), 117172#(<= ULTIMATE.start_main_~i~4 2), 117175#(<= ULTIMATE.start_main_~i~4 5), 117174#(<= ULTIMATE.start_main_~i~4 4), 117177#(<= ULTIMATE.start_main_~i~4 7), 117176#(<= ULTIMATE.start_main_~i~4 6), 117179#(<= ULTIMATE.start_main_~i~4 9), 117178#(<= ULTIMATE.start_main_~i~4 8), 117181#(<= ULTIMATE.start_main_~i~4 11), 117180#(<= ULTIMATE.start_main_~i~4 10), 117183#(<= ULTIMATE.start_main_~i~4 13), 117182#(<= ULTIMATE.start_main_~i~4 12), 117185#(<= ULTIMATE.start_main_~i~4 15), 117184#(<= ULTIMATE.start_main_~i~4 14), 117187#(<= ULTIMATE.start_main_~i~4 17), 117186#(<= ULTIMATE.start_main_~i~4 16), 117189#(<= ULTIMATE.start_main_~i~4 19), 117188#(<= ULTIMATE.start_main_~i~4 18), 117191#(<= ULTIMATE.start_main_~i~4 21), 117190#(<= ULTIMATE.start_main_~i~4 20), 117193#(<= ULTIMATE.start_main_~i~4 23), 117192#(<= ULTIMATE.start_main_~i~4 22), 117195#(<= ULTIMATE.start_main_~i~4 25), 117194#(<= ULTIMATE.start_main_~i~4 24), 117197#(<= ULTIMATE.start_main_~i~4 27), 117196#(<= ULTIMATE.start_main_~i~4 26), 117199#(<= ULTIMATE.start_main_~i~4 29), 117198#(<= ULTIMATE.start_main_~i~4 28), 117201#(<= ULTIMATE.start_main_~i~4 31), 117200#(<= ULTIMATE.start_main_~i~4 30), 117203#(<= ULTIMATE.start_main_~i~4 33), 117202#(<= ULTIMATE.start_main_~i~4 32), 117205#(<= ULTIMATE.start_main_~i~4 35), 117204#(<= ULTIMATE.start_main_~i~4 34), 117207#(<= ULTIMATE.start_main_~i~4 37), 117206#(<= ULTIMATE.start_main_~i~4 36), 117209#(<= ULTIMATE.start_main_~i~4 39), 117208#(<= ULTIMATE.start_main_~i~4 38), 117211#(<= ULTIMATE.start_main_~i~4 41), 117210#(<= ULTIMATE.start_main_~i~4 40), 117213#(<= ULTIMATE.start_main_~i~4 43), 117212#(<= ULTIMATE.start_main_~i~4 42), 117215#(<= ULTIMATE.start_main_~i~4 45), 117214#(<= ULTIMATE.start_main_~i~4 44), 117217#(<= ULTIMATE.start_main_~i~4 47), 117216#(<= ULTIMATE.start_main_~i~4 46), 117219#(<= ULTIMATE.start_main_~i~4 49), 117218#(<= ULTIMATE.start_main_~i~4 48), 117221#(<= ULTIMATE.start_main_~i~4 51), 117220#(<= ULTIMATE.start_main_~i~4 50), 117223#(<= ULTIMATE.start_main_~i~4 53), 117222#(<= ULTIMATE.start_main_~i~4 52), 117225#(<= ULTIMATE.start_main_~i~4 55), 117224#(<= ULTIMATE.start_main_~i~4 54), 117227#(<= ULTIMATE.start_main_~i~4 57), 117226#(<= ULTIMATE.start_main_~i~4 56), 117229#(<= ULTIMATE.start_main_~i~4 59), 117228#(<= ULTIMATE.start_main_~i~4 58), 117231#(<= ULTIMATE.start_main_~i~4 61), 117230#(<= ULTIMATE.start_main_~i~4 60), 117233#(<= ULTIMATE.start_main_~i~4 63), 117232#(<= ULTIMATE.start_main_~i~4 62), 117235#(<= ULTIMATE.start_main_~i~4 65), 117234#(<= ULTIMATE.start_main_~i~4 64), 117237#(<= ULTIMATE.start_main_~i~4 67), 117236#(<= ULTIMATE.start_main_~i~4 66), 117239#(<= ULTIMATE.start_main_~i~4 69), 117238#(<= ULTIMATE.start_main_~i~4 68), 117241#(<= ULTIMATE.start_main_~i~4 71), 117240#(<= ULTIMATE.start_main_~i~4 70), 117243#(<= ULTIMATE.start_main_~i~4 73), 117242#(<= ULTIMATE.start_main_~i~4 72), 117245#(<= ULTIMATE.start_main_~i~4 75), 117244#(<= ULTIMATE.start_main_~i~4 74), 117247#(<= ULTIMATE.start_main_~i~4 77), 117246#(<= ULTIMATE.start_main_~i~4 76)] [2018-07-23 13:44:25,578 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 13:44:25,579 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:44:25,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:44:25,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:44:25,581 INFO L87 Difference]: Start difference. First operand 321 states and 321 transitions. Second operand 161 states. [2018-07-23 13:44:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:25,841 INFO L93 Difference]: Finished difference Result 325 states and 325 transitions. [2018-07-23 13:44:25,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:44:25,842 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 320 [2018-07-23 13:44:25,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:25,842 INFO L225 Difference]: With dead ends: 325 [2018-07-23 13:44:25,842 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 13:44:25,844 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 13:44:25,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 13:44:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-07-23 13:44:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-07-23 13:44:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 323 transitions. [2018-07-23 13:44:25,847 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 323 transitions. Word has length 320 [2018-07-23 13:44:25,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:25,847 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 323 transitions. [2018-07-23 13:44:25,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:44:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 323 transitions. [2018-07-23 13:44:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-07-23 13:44:25,848 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:25,848 INFO L357 BasicCegarLoop]: trace histogram [160, 159, 1, 1, 1] [2018-07-23 13:44:25,848 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:25,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1926975539, now seen corresponding path program 159 times [2018-07-23 13:44:25,848 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:26,561 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 13:44:26,562 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:26,562 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:44:26,562 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:26,562 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 13:44:26,562 INFO L185 omatonBuilderFactory]: Interpolants [118785#(<= ULTIMATE.start_main_~i~4 158), 118784#(<= ULTIMATE.start_main_~i~4 157), 118786#(<= ULTIMATE.start_main_~i~4 159), 118625#true, 118627#(<= ULTIMATE.start_main_~i~4 0), 118626#false, 118629#(<= ULTIMATE.start_main_~i~4 2), 118628#(<= ULTIMATE.start_main_~i~4 1), 118631#(<= ULTIMATE.start_main_~i~4 4), 118630#(<= ULTIMATE.start_main_~i~4 3), 118633#(<= ULTIMATE.start_main_~i~4 6), 118632#(<= ULTIMATE.start_main_~i~4 5), 118635#(<= ULTIMATE.start_main_~i~4 8), 118634#(<= ULTIMATE.start_main_~i~4 7), 118637#(<= ULTIMATE.start_main_~i~4 10), 118636#(<= ULTIMATE.start_main_~i~4 9), 118639#(<= ULTIMATE.start_main_~i~4 12), 118638#(<= ULTIMATE.start_main_~i~4 11), 118641#(<= ULTIMATE.start_main_~i~4 14), 118640#(<= ULTIMATE.start_main_~i~4 13), 118643#(<= ULTIMATE.start_main_~i~4 16), 118642#(<= ULTIMATE.start_main_~i~4 15), 118645#(<= ULTIMATE.start_main_~i~4 18), 118644#(<= ULTIMATE.start_main_~i~4 17), 118647#(<= ULTIMATE.start_main_~i~4 20), 118646#(<= ULTIMATE.start_main_~i~4 19), 118649#(<= ULTIMATE.start_main_~i~4 22), 118648#(<= ULTIMATE.start_main_~i~4 21), 118651#(<= ULTIMATE.start_main_~i~4 24), 118650#(<= ULTIMATE.start_main_~i~4 23), 118653#(<= ULTIMATE.start_main_~i~4 26), 118652#(<= ULTIMATE.start_main_~i~4 25), 118655#(<= ULTIMATE.start_main_~i~4 28), 118654#(<= ULTIMATE.start_main_~i~4 27), 118657#(<= ULTIMATE.start_main_~i~4 30), 118656#(<= ULTIMATE.start_main_~i~4 29), 118659#(<= ULTIMATE.start_main_~i~4 32), 118658#(<= ULTIMATE.start_main_~i~4 31), 118661#(<= ULTIMATE.start_main_~i~4 34), 118660#(<= ULTIMATE.start_main_~i~4 33), 118663#(<= ULTIMATE.start_main_~i~4 36), 118662#(<= ULTIMATE.start_main_~i~4 35), 118665#(<= ULTIMATE.start_main_~i~4 38), 118664#(<= ULTIMATE.start_main_~i~4 37), 118667#(<= ULTIMATE.start_main_~i~4 40), 118666#(<= ULTIMATE.start_main_~i~4 39), 118669#(<= ULTIMATE.start_main_~i~4 42), 118668#(<= ULTIMATE.start_main_~i~4 41), 118671#(<= ULTIMATE.start_main_~i~4 44), 118670#(<= ULTIMATE.start_main_~i~4 43), 118673#(<= ULTIMATE.start_main_~i~4 46), 118672#(<= ULTIMATE.start_main_~i~4 45), 118675#(<= ULTIMATE.start_main_~i~4 48), 118674#(<= ULTIMATE.start_main_~i~4 47), 118677#(<= ULTIMATE.start_main_~i~4 50), 118676#(<= ULTIMATE.start_main_~i~4 49), 118679#(<= ULTIMATE.start_main_~i~4 52), 118678#(<= ULTIMATE.start_main_~i~4 51), 118681#(<= ULTIMATE.start_main_~i~4 54), 118680#(<= ULTIMATE.start_main_~i~4 53), 118683#(<= ULTIMATE.start_main_~i~4 56), 118682#(<= ULTIMATE.start_main_~i~4 55), 118685#(<= ULTIMATE.start_main_~i~4 58), 118684#(<= ULTIMATE.start_main_~i~4 57), 118687#(<= ULTIMATE.start_main_~i~4 60), 118686#(<= ULTIMATE.start_main_~i~4 59), 118689#(<= ULTIMATE.start_main_~i~4 62), 118688#(<= ULTIMATE.start_main_~i~4 61), 118691#(<= ULTIMATE.start_main_~i~4 64), 118690#(<= ULTIMATE.start_main_~i~4 63), 118693#(<= ULTIMATE.start_main_~i~4 66), 118692#(<= ULTIMATE.start_main_~i~4 65), 118695#(<= ULTIMATE.start_main_~i~4 68), 118694#(<= ULTIMATE.start_main_~i~4 67), 118697#(<= ULTIMATE.start_main_~i~4 70), 118696#(<= ULTIMATE.start_main_~i~4 69), 118699#(<= ULTIMATE.start_main_~i~4 72), 118698#(<= ULTIMATE.start_main_~i~4 71), 118701#(<= ULTIMATE.start_main_~i~4 74), 118700#(<= ULTIMATE.start_main_~i~4 73), 118703#(<= ULTIMATE.start_main_~i~4 76), 118702#(<= ULTIMATE.start_main_~i~4 75), 118705#(<= ULTIMATE.start_main_~i~4 78), 118704#(<= ULTIMATE.start_main_~i~4 77), 118707#(<= ULTIMATE.start_main_~i~4 80), 118706#(<= ULTIMATE.start_main_~i~4 79), 118709#(<= ULTIMATE.start_main_~i~4 82), 118708#(<= ULTIMATE.start_main_~i~4 81), 118711#(<= ULTIMATE.start_main_~i~4 84), 118710#(<= ULTIMATE.start_main_~i~4 83), 118713#(<= ULTIMATE.start_main_~i~4 86), 118712#(<= ULTIMATE.start_main_~i~4 85), 118715#(<= ULTIMATE.start_main_~i~4 88), 118714#(<= ULTIMATE.start_main_~i~4 87), 118717#(<= ULTIMATE.start_main_~i~4 90), 118716#(<= ULTIMATE.start_main_~i~4 89), 118719#(<= ULTIMATE.start_main_~i~4 92), 118718#(<= ULTIMATE.start_main_~i~4 91), 118721#(<= ULTIMATE.start_main_~i~4 94), 118720#(<= ULTIMATE.start_main_~i~4 93), 118723#(<= ULTIMATE.start_main_~i~4 96), 118722#(<= ULTIMATE.start_main_~i~4 95), 118725#(<= ULTIMATE.start_main_~i~4 98), 118724#(<= ULTIMATE.start_main_~i~4 97), 118727#(<= ULTIMATE.start_main_~i~4 100), 118726#(<= ULTIMATE.start_main_~i~4 99), 118729#(<= ULTIMATE.start_main_~i~4 102), 118728#(<= ULTIMATE.start_main_~i~4 101), 118731#(<= ULTIMATE.start_main_~i~4 104), 118730#(<= ULTIMATE.start_main_~i~4 103), 118733#(<= ULTIMATE.start_main_~i~4 106), 118732#(<= ULTIMATE.start_main_~i~4 105), 118735#(<= ULTIMATE.start_main_~i~4 108), 118734#(<= ULTIMATE.start_main_~i~4 107), 118737#(<= ULTIMATE.start_main_~i~4 110), 118736#(<= ULTIMATE.start_main_~i~4 109), 118739#(<= ULTIMATE.start_main_~i~4 112), 118738#(<= ULTIMATE.start_main_~i~4 111), 118741#(<= ULTIMATE.start_main_~i~4 114), 118740#(<= ULTIMATE.start_main_~i~4 113), 118743#(<= ULTIMATE.start_main_~i~4 116), 118742#(<= ULTIMATE.start_main_~i~4 115), 118745#(<= ULTIMATE.start_main_~i~4 118), 118744#(<= ULTIMATE.start_main_~i~4 117), 118747#(<= ULTIMATE.start_main_~i~4 120), 118746#(<= ULTIMATE.start_main_~i~4 119), 118749#(<= ULTIMATE.start_main_~i~4 122), 118748#(<= ULTIMATE.start_main_~i~4 121), 118751#(<= ULTIMATE.start_main_~i~4 124), 118750#(<= ULTIMATE.start_main_~i~4 123), 118753#(<= ULTIMATE.start_main_~i~4 126), 118752#(<= ULTIMATE.start_main_~i~4 125), 118755#(<= ULTIMATE.start_main_~i~4 128), 118754#(<= ULTIMATE.start_main_~i~4 127), 118757#(<= ULTIMATE.start_main_~i~4 130), 118756#(<= ULTIMATE.start_main_~i~4 129), 118759#(<= ULTIMATE.start_main_~i~4 132), 118758#(<= ULTIMATE.start_main_~i~4 131), 118761#(<= ULTIMATE.start_main_~i~4 134), 118760#(<= ULTIMATE.start_main_~i~4 133), 118763#(<= ULTIMATE.start_main_~i~4 136), 118762#(<= ULTIMATE.start_main_~i~4 135), 118765#(<= ULTIMATE.start_main_~i~4 138), 118764#(<= ULTIMATE.start_main_~i~4 137), 118767#(<= ULTIMATE.start_main_~i~4 140), 118766#(<= ULTIMATE.start_main_~i~4 139), 118769#(<= ULTIMATE.start_main_~i~4 142), 118768#(<= ULTIMATE.start_main_~i~4 141), 118771#(<= ULTIMATE.start_main_~i~4 144), 118770#(<= ULTIMATE.start_main_~i~4 143), 118773#(<= ULTIMATE.start_main_~i~4 146), 118772#(<= ULTIMATE.start_main_~i~4 145), 118775#(<= ULTIMATE.start_main_~i~4 148), 118774#(<= ULTIMATE.start_main_~i~4 147), 118777#(<= ULTIMATE.start_main_~i~4 150), 118776#(<= ULTIMATE.start_main_~i~4 149), 118779#(<= ULTIMATE.start_main_~i~4 152), 118778#(<= ULTIMATE.start_main_~i~4 151), 118781#(<= ULTIMATE.start_main_~i~4 154), 118780#(<= ULTIMATE.start_main_~i~4 153), 118783#(<= ULTIMATE.start_main_~i~4 156), 118782#(<= ULTIMATE.start_main_~i~4 155)] [2018-07-23 13:44:26,564 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 13:44:26,564 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:44:26,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:44:26,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:44:26,566 INFO L87 Difference]: Start difference. First operand 323 states and 323 transitions. Second operand 162 states. [2018-07-23 13:44:27,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:27,308 INFO L93 Difference]: Finished difference Result 327 states and 327 transitions. [2018-07-23 13:44:27,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:44:27,308 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 322 [2018-07-23 13:44:27,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:27,309 INFO L225 Difference]: With dead ends: 327 [2018-07-23 13:44:27,309 INFO L226 Difference]: Without dead ends: 325 [2018-07-23 13:44:27,310 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:44:27,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-07-23 13:44:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2018-07-23 13:44:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 13:44:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 325 transitions. [2018-07-23 13:44:27,314 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 325 transitions. Word has length 322 [2018-07-23 13:44:27,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:27,314 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 325 transitions. [2018-07-23 13:44:27,314 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:44:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 325 transitions. [2018-07-23 13:44:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 13:44:27,315 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:27,315 INFO L357 BasicCegarLoop]: trace histogram [161, 160, 1, 1, 1] [2018-07-23 13:44:27,315 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:27,315 INFO L82 PathProgramCache]: Analyzing trace with hash -692536313, now seen corresponding path program 160 times [2018-07-23 13:44:27,315 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:28,007 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 13:44:28,007 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:28,007 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:44:28,008 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:28,008 INFO L185 omatonBuilderFactory]: Interpolants [120091#true, 120093#(<= ULTIMATE.start_main_~i~4 0), 120092#false, 120095#(<= ULTIMATE.start_main_~i~4 2), 120094#(<= ULTIMATE.start_main_~i~4 1), 120097#(<= ULTIMATE.start_main_~i~4 4), 120096#(<= ULTIMATE.start_main_~i~4 3), 120099#(<= ULTIMATE.start_main_~i~4 6), 120098#(<= ULTIMATE.start_main_~i~4 5), 120101#(<= ULTIMATE.start_main_~i~4 8), 120100#(<= ULTIMATE.start_main_~i~4 7), 120103#(<= ULTIMATE.start_main_~i~4 10), 120102#(<= ULTIMATE.start_main_~i~4 9), 120105#(<= ULTIMATE.start_main_~i~4 12), 120104#(<= ULTIMATE.start_main_~i~4 11), 120107#(<= ULTIMATE.start_main_~i~4 14), 120106#(<= ULTIMATE.start_main_~i~4 13), 120109#(<= ULTIMATE.start_main_~i~4 16), 120108#(<= ULTIMATE.start_main_~i~4 15), 120111#(<= ULTIMATE.start_main_~i~4 18), 120110#(<= ULTIMATE.start_main_~i~4 17), 120113#(<= ULTIMATE.start_main_~i~4 20), 120112#(<= ULTIMATE.start_main_~i~4 19), 120115#(<= ULTIMATE.start_main_~i~4 22), 120114#(<= ULTIMATE.start_main_~i~4 21), 120117#(<= ULTIMATE.start_main_~i~4 24), 120116#(<= ULTIMATE.start_main_~i~4 23), 120119#(<= ULTIMATE.start_main_~i~4 26), 120118#(<= ULTIMATE.start_main_~i~4 25), 120121#(<= ULTIMATE.start_main_~i~4 28), 120120#(<= ULTIMATE.start_main_~i~4 27), 120123#(<= ULTIMATE.start_main_~i~4 30), 120122#(<= ULTIMATE.start_main_~i~4 29), 120125#(<= ULTIMATE.start_main_~i~4 32), 120124#(<= ULTIMATE.start_main_~i~4 31), 120127#(<= ULTIMATE.start_main_~i~4 34), 120126#(<= ULTIMATE.start_main_~i~4 33), 120129#(<= ULTIMATE.start_main_~i~4 36), 120128#(<= ULTIMATE.start_main_~i~4 35), 120131#(<= ULTIMATE.start_main_~i~4 38), 120130#(<= ULTIMATE.start_main_~i~4 37), 120133#(<= ULTIMATE.start_main_~i~4 40), 120132#(<= ULTIMATE.start_main_~i~4 39), 120135#(<= ULTIMATE.start_main_~i~4 42), 120134#(<= ULTIMATE.start_main_~i~4 41), 120137#(<= ULTIMATE.start_main_~i~4 44), 120136#(<= ULTIMATE.start_main_~i~4 43), 120139#(<= ULTIMATE.start_main_~i~4 46), 120138#(<= ULTIMATE.start_main_~i~4 45), 120141#(<= ULTIMATE.start_main_~i~4 48), 120140#(<= ULTIMATE.start_main_~i~4 47), 120143#(<= ULTIMATE.start_main_~i~4 50), 120142#(<= ULTIMATE.start_main_~i~4 49), 120145#(<= ULTIMATE.start_main_~i~4 52), 120144#(<= ULTIMATE.start_main_~i~4 51), 120147#(<= ULTIMATE.start_main_~i~4 54), 120146#(<= ULTIMATE.start_main_~i~4 53), 120149#(<= ULTIMATE.start_main_~i~4 56), 120148#(<= ULTIMATE.start_main_~i~4 55), 120151#(<= ULTIMATE.start_main_~i~4 58), 120150#(<= ULTIMATE.start_main_~i~4 57), 120153#(<= ULTIMATE.start_main_~i~4 60), 120152#(<= ULTIMATE.start_main_~i~4 59), 120155#(<= ULTIMATE.start_main_~i~4 62), 120154#(<= ULTIMATE.start_main_~i~4 61), 120157#(<= ULTIMATE.start_main_~i~4 64), 120156#(<= ULTIMATE.start_main_~i~4 63), 120159#(<= ULTIMATE.start_main_~i~4 66), 120158#(<= ULTIMATE.start_main_~i~4 65), 120161#(<= ULTIMATE.start_main_~i~4 68), 120160#(<= ULTIMATE.start_main_~i~4 67), 120163#(<= ULTIMATE.start_main_~i~4 70), 120162#(<= ULTIMATE.start_main_~i~4 69), 120165#(<= ULTIMATE.start_main_~i~4 72), 120164#(<= ULTIMATE.start_main_~i~4 71), 120167#(<= ULTIMATE.start_main_~i~4 74), 120166#(<= ULTIMATE.start_main_~i~4 73), 120169#(<= ULTIMATE.start_main_~i~4 76), 120168#(<= ULTIMATE.start_main_~i~4 75), 120171#(<= ULTIMATE.start_main_~i~4 78), 120170#(<= ULTIMATE.start_main_~i~4 77), 120173#(<= ULTIMATE.start_main_~i~4 80), 120172#(<= ULTIMATE.start_main_~i~4 79), 120175#(<= ULTIMATE.start_main_~i~4 82), 120174#(<= ULTIMATE.start_main_~i~4 81), 120177#(<= ULTIMATE.start_main_~i~4 84), 120176#(<= ULTIMATE.start_main_~i~4 83), 120179#(<= ULTIMATE.start_main_~i~4 86), 120178#(<= ULTIMATE.start_main_~i~4 85), 120181#(<= ULTIMATE.start_main_~i~4 88), 120180#(<= ULTIMATE.start_main_~i~4 87), 120183#(<= ULTIMATE.start_main_~i~4 90), 120182#(<= ULTIMATE.start_main_~i~4 89), 120185#(<= ULTIMATE.start_main_~i~4 92), 120184#(<= ULTIMATE.start_main_~i~4 91), 120187#(<= ULTIMATE.start_main_~i~4 94), 120186#(<= ULTIMATE.start_main_~i~4 93), 120189#(<= ULTIMATE.start_main_~i~4 96), 120188#(<= ULTIMATE.start_main_~i~4 95), 120191#(<= ULTIMATE.start_main_~i~4 98), 120190#(<= ULTIMATE.start_main_~i~4 97), 120193#(<= ULTIMATE.start_main_~i~4 100), 120192#(<= ULTIMATE.start_main_~i~4 99), 120195#(<= ULTIMATE.start_main_~i~4 102), 120194#(<= ULTIMATE.start_main_~i~4 101), 120197#(<= ULTIMATE.start_main_~i~4 104), 120196#(<= ULTIMATE.start_main_~i~4 103), 120199#(<= ULTIMATE.start_main_~i~4 106), 120198#(<= ULTIMATE.start_main_~i~4 105), 120201#(<= ULTIMATE.start_main_~i~4 108), 120200#(<= ULTIMATE.start_main_~i~4 107), 120203#(<= ULTIMATE.start_main_~i~4 110), 120202#(<= ULTIMATE.start_main_~i~4 109), 120205#(<= ULTIMATE.start_main_~i~4 112), 120204#(<= ULTIMATE.start_main_~i~4 111), 120207#(<= ULTIMATE.start_main_~i~4 114), 120206#(<= ULTIMATE.start_main_~i~4 113), 120209#(<= ULTIMATE.start_main_~i~4 116), 120208#(<= ULTIMATE.start_main_~i~4 115), 120211#(<= ULTIMATE.start_main_~i~4 118), 120210#(<= ULTIMATE.start_main_~i~4 117), 120213#(<= ULTIMATE.start_main_~i~4 120), 120212#(<= ULTIMATE.start_main_~i~4 119), 120215#(<= ULTIMATE.start_main_~i~4 122), 120214#(<= ULTIMATE.start_main_~i~4 121), 120217#(<= ULTIMATE.start_main_~i~4 124), 120216#(<= ULTIMATE.start_main_~i~4 123), 120219#(<= ULTIMATE.start_main_~i~4 126), 120218#(<= ULTIMATE.start_main_~i~4 125), 120221#(<= ULTIMATE.start_main_~i~4 128), 120220#(<= ULTIMATE.start_main_~i~4 127), 120223#(<= ULTIMATE.start_main_~i~4 130), 120222#(<= ULTIMATE.start_main_~i~4 129), 120225#(<= ULTIMATE.start_main_~i~4 132), 120224#(<= ULTIMATE.start_main_~i~4 131), 120227#(<= ULTIMATE.start_main_~i~4 134), 120226#(<= ULTIMATE.start_main_~i~4 133), 120229#(<= ULTIMATE.start_main_~i~4 136), 120228#(<= ULTIMATE.start_main_~i~4 135), 120231#(<= ULTIMATE.start_main_~i~4 138), 120230#(<= ULTIMATE.start_main_~i~4 137), 120233#(<= ULTIMATE.start_main_~i~4 140), 120232#(<= ULTIMATE.start_main_~i~4 139), 120235#(<= ULTIMATE.start_main_~i~4 142), 120234#(<= ULTIMATE.start_main_~i~4 141), 120237#(<= ULTIMATE.start_main_~i~4 144), 120236#(<= ULTIMATE.start_main_~i~4 143), 120239#(<= ULTIMATE.start_main_~i~4 146), 120238#(<= ULTIMATE.start_main_~i~4 145), 120241#(<= ULTIMATE.start_main_~i~4 148), 120240#(<= ULTIMATE.start_main_~i~4 147), 120243#(<= ULTIMATE.start_main_~i~4 150), 120242#(<= ULTIMATE.start_main_~i~4 149), 120245#(<= ULTIMATE.start_main_~i~4 152), 120244#(<= ULTIMATE.start_main_~i~4 151), 120247#(<= ULTIMATE.start_main_~i~4 154), 120246#(<= ULTIMATE.start_main_~i~4 153), 120249#(<= ULTIMATE.start_main_~i~4 156), 120248#(<= ULTIMATE.start_main_~i~4 155), 120251#(<= ULTIMATE.start_main_~i~4 158), 120250#(<= ULTIMATE.start_main_~i~4 157), 120253#(<= ULTIMATE.start_main_~i~4 160), 120252#(<= ULTIMATE.start_main_~i~4 159)] [2018-07-23 13:44:28,009 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 13:44:28,009 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:44:28,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:44:28,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:44:28,013 INFO L87 Difference]: Start difference. First operand 325 states and 325 transitions. Second operand 163 states. [2018-07-23 13:44:28,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:28,910 INFO L93 Difference]: Finished difference Result 329 states and 329 transitions. [2018-07-23 13:44:28,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:44:28,910 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 324 [2018-07-23 13:44:28,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:28,911 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:44:28,911 INFO L226 Difference]: Without dead ends: 327 [2018-07-23 13:44:28,912 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 13:44:28,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-07-23 13:44:28,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-07-23 13:44:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-07-23 13:44:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 327 transitions. [2018-07-23 13:44:28,916 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 327 transitions. Word has length 324 [2018-07-23 13:44:28,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:28,916 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 327 transitions. [2018-07-23 13:44:28,916 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:44:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 327 transitions. [2018-07-23 13:44:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-07-23 13:44:28,917 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:28,917 INFO L357 BasicCegarLoop]: trace histogram [162, 161, 1, 1, 1] [2018-07-23 13:44:28,917 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:28,917 INFO L82 PathProgramCache]: Analyzing trace with hash 192586177, now seen corresponding path program 161 times [2018-07-23 13:44:28,917 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:29,556 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 13:44:29,556 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:29,557 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:44:29,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:29,557 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 13:44:29,557 INFO L185 omatonBuilderFactory]: Interpolants [121601#(<= ULTIMATE.start_main_~i~4 33), 121600#(<= ULTIMATE.start_main_~i~4 32), 121603#(<= ULTIMATE.start_main_~i~4 35), 121602#(<= ULTIMATE.start_main_~i~4 34), 121605#(<= ULTIMATE.start_main_~i~4 37), 121604#(<= ULTIMATE.start_main_~i~4 36), 121607#(<= ULTIMATE.start_main_~i~4 39), 121606#(<= ULTIMATE.start_main_~i~4 38), 121609#(<= ULTIMATE.start_main_~i~4 41), 121608#(<= ULTIMATE.start_main_~i~4 40), 121611#(<= ULTIMATE.start_main_~i~4 43), 121610#(<= ULTIMATE.start_main_~i~4 42), 121613#(<= ULTIMATE.start_main_~i~4 45), 121612#(<= ULTIMATE.start_main_~i~4 44), 121615#(<= ULTIMATE.start_main_~i~4 47), 121614#(<= ULTIMATE.start_main_~i~4 46), 121617#(<= ULTIMATE.start_main_~i~4 49), 121616#(<= ULTIMATE.start_main_~i~4 48), 121619#(<= ULTIMATE.start_main_~i~4 51), 121618#(<= ULTIMATE.start_main_~i~4 50), 121621#(<= ULTIMATE.start_main_~i~4 53), 121620#(<= ULTIMATE.start_main_~i~4 52), 121623#(<= ULTIMATE.start_main_~i~4 55), 121622#(<= ULTIMATE.start_main_~i~4 54), 121625#(<= ULTIMATE.start_main_~i~4 57), 121624#(<= ULTIMATE.start_main_~i~4 56), 121627#(<= ULTIMATE.start_main_~i~4 59), 121626#(<= ULTIMATE.start_main_~i~4 58), 121629#(<= ULTIMATE.start_main_~i~4 61), 121628#(<= ULTIMATE.start_main_~i~4 60), 121631#(<= ULTIMATE.start_main_~i~4 63), 121630#(<= ULTIMATE.start_main_~i~4 62), 121633#(<= ULTIMATE.start_main_~i~4 65), 121632#(<= ULTIMATE.start_main_~i~4 64), 121635#(<= ULTIMATE.start_main_~i~4 67), 121634#(<= ULTIMATE.start_main_~i~4 66), 121637#(<= ULTIMATE.start_main_~i~4 69), 121636#(<= ULTIMATE.start_main_~i~4 68), 121639#(<= ULTIMATE.start_main_~i~4 71), 121638#(<= ULTIMATE.start_main_~i~4 70), 121641#(<= ULTIMATE.start_main_~i~4 73), 121640#(<= ULTIMATE.start_main_~i~4 72), 121643#(<= ULTIMATE.start_main_~i~4 75), 121642#(<= ULTIMATE.start_main_~i~4 74), 121645#(<= ULTIMATE.start_main_~i~4 77), 121644#(<= ULTIMATE.start_main_~i~4 76), 121647#(<= ULTIMATE.start_main_~i~4 79), 121646#(<= ULTIMATE.start_main_~i~4 78), 121649#(<= ULTIMATE.start_main_~i~4 81), 121648#(<= ULTIMATE.start_main_~i~4 80), 121651#(<= ULTIMATE.start_main_~i~4 83), 121650#(<= ULTIMATE.start_main_~i~4 82), 121653#(<= ULTIMATE.start_main_~i~4 85), 121652#(<= ULTIMATE.start_main_~i~4 84), 121655#(<= ULTIMATE.start_main_~i~4 87), 121654#(<= ULTIMATE.start_main_~i~4 86), 121657#(<= ULTIMATE.start_main_~i~4 89), 121656#(<= ULTIMATE.start_main_~i~4 88), 121659#(<= ULTIMATE.start_main_~i~4 91), 121658#(<= ULTIMATE.start_main_~i~4 90), 121661#(<= ULTIMATE.start_main_~i~4 93), 121660#(<= ULTIMATE.start_main_~i~4 92), 121663#(<= ULTIMATE.start_main_~i~4 95), 121662#(<= ULTIMATE.start_main_~i~4 94), 121665#(<= ULTIMATE.start_main_~i~4 97), 121664#(<= ULTIMATE.start_main_~i~4 96), 121667#(<= ULTIMATE.start_main_~i~4 99), 121666#(<= ULTIMATE.start_main_~i~4 98), 121669#(<= ULTIMATE.start_main_~i~4 101), 121668#(<= ULTIMATE.start_main_~i~4 100), 121671#(<= ULTIMATE.start_main_~i~4 103), 121670#(<= ULTIMATE.start_main_~i~4 102), 121673#(<= ULTIMATE.start_main_~i~4 105), 121672#(<= ULTIMATE.start_main_~i~4 104), 121675#(<= ULTIMATE.start_main_~i~4 107), 121674#(<= ULTIMATE.start_main_~i~4 106), 121677#(<= ULTIMATE.start_main_~i~4 109), 121676#(<= ULTIMATE.start_main_~i~4 108), 121679#(<= ULTIMATE.start_main_~i~4 111), 121678#(<= ULTIMATE.start_main_~i~4 110), 121681#(<= ULTIMATE.start_main_~i~4 113), 121680#(<= ULTIMATE.start_main_~i~4 112), 121683#(<= ULTIMATE.start_main_~i~4 115), 121682#(<= ULTIMATE.start_main_~i~4 114), 121685#(<= ULTIMATE.start_main_~i~4 117), 121684#(<= ULTIMATE.start_main_~i~4 116), 121687#(<= ULTIMATE.start_main_~i~4 119), 121686#(<= ULTIMATE.start_main_~i~4 118), 121689#(<= ULTIMATE.start_main_~i~4 121), 121688#(<= ULTIMATE.start_main_~i~4 120), 121691#(<= ULTIMATE.start_main_~i~4 123), 121690#(<= ULTIMATE.start_main_~i~4 122), 121693#(<= ULTIMATE.start_main_~i~4 125), 121692#(<= ULTIMATE.start_main_~i~4 124), 121695#(<= ULTIMATE.start_main_~i~4 127), 121694#(<= ULTIMATE.start_main_~i~4 126), 121697#(<= ULTIMATE.start_main_~i~4 129), 121696#(<= ULTIMATE.start_main_~i~4 128), 121699#(<= ULTIMATE.start_main_~i~4 131), 121698#(<= ULTIMATE.start_main_~i~4 130), 121701#(<= ULTIMATE.start_main_~i~4 133), 121700#(<= ULTIMATE.start_main_~i~4 132), 121703#(<= ULTIMATE.start_main_~i~4 135), 121702#(<= ULTIMATE.start_main_~i~4 134), 121705#(<= ULTIMATE.start_main_~i~4 137), 121704#(<= ULTIMATE.start_main_~i~4 136), 121707#(<= ULTIMATE.start_main_~i~4 139), 121706#(<= ULTIMATE.start_main_~i~4 138), 121709#(<= ULTIMATE.start_main_~i~4 141), 121708#(<= ULTIMATE.start_main_~i~4 140), 121711#(<= ULTIMATE.start_main_~i~4 143), 121710#(<= ULTIMATE.start_main_~i~4 142), 121713#(<= ULTIMATE.start_main_~i~4 145), 121712#(<= ULTIMATE.start_main_~i~4 144), 121715#(<= ULTIMATE.start_main_~i~4 147), 121714#(<= ULTIMATE.start_main_~i~4 146), 121717#(<= ULTIMATE.start_main_~i~4 149), 121716#(<= ULTIMATE.start_main_~i~4 148), 121719#(<= ULTIMATE.start_main_~i~4 151), 121718#(<= ULTIMATE.start_main_~i~4 150), 121721#(<= ULTIMATE.start_main_~i~4 153), 121720#(<= ULTIMATE.start_main_~i~4 152), 121723#(<= ULTIMATE.start_main_~i~4 155), 121722#(<= ULTIMATE.start_main_~i~4 154), 121725#(<= ULTIMATE.start_main_~i~4 157), 121724#(<= ULTIMATE.start_main_~i~4 156), 121727#(<= ULTIMATE.start_main_~i~4 159), 121726#(<= ULTIMATE.start_main_~i~4 158), 121729#(<= ULTIMATE.start_main_~i~4 161), 121728#(<= ULTIMATE.start_main_~i~4 160), 121567#false, 121566#true, 121569#(<= ULTIMATE.start_main_~i~4 1), 121568#(<= ULTIMATE.start_main_~i~4 0), 121571#(<= ULTIMATE.start_main_~i~4 3), 121570#(<= ULTIMATE.start_main_~i~4 2), 121573#(<= ULTIMATE.start_main_~i~4 5), 121572#(<= ULTIMATE.start_main_~i~4 4), 121575#(<= ULTIMATE.start_main_~i~4 7), 121574#(<= ULTIMATE.start_main_~i~4 6), 121577#(<= ULTIMATE.start_main_~i~4 9), 121576#(<= ULTIMATE.start_main_~i~4 8), 121579#(<= ULTIMATE.start_main_~i~4 11), 121578#(<= ULTIMATE.start_main_~i~4 10), 121581#(<= ULTIMATE.start_main_~i~4 13), 121580#(<= ULTIMATE.start_main_~i~4 12), 121583#(<= ULTIMATE.start_main_~i~4 15), 121582#(<= ULTIMATE.start_main_~i~4 14), 121585#(<= ULTIMATE.start_main_~i~4 17), 121584#(<= ULTIMATE.start_main_~i~4 16), 121587#(<= ULTIMATE.start_main_~i~4 19), 121586#(<= ULTIMATE.start_main_~i~4 18), 121589#(<= ULTIMATE.start_main_~i~4 21), 121588#(<= ULTIMATE.start_main_~i~4 20), 121591#(<= ULTIMATE.start_main_~i~4 23), 121590#(<= ULTIMATE.start_main_~i~4 22), 121593#(<= ULTIMATE.start_main_~i~4 25), 121592#(<= ULTIMATE.start_main_~i~4 24), 121595#(<= ULTIMATE.start_main_~i~4 27), 121594#(<= ULTIMATE.start_main_~i~4 26), 121597#(<= ULTIMATE.start_main_~i~4 29), 121596#(<= ULTIMATE.start_main_~i~4 28), 121599#(<= ULTIMATE.start_main_~i~4 31), 121598#(<= ULTIMATE.start_main_~i~4 30)] [2018-07-23 13:44:29,558 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 13:44:29,559 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:44:29,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:44:29,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:44:29,561 INFO L87 Difference]: Start difference. First operand 327 states and 327 transitions. Second operand 164 states. [2018-07-23 13:44:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:30,224 INFO L93 Difference]: Finished difference Result 331 states and 331 transitions. [2018-07-23 13:44:30,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:44:30,224 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 326 [2018-07-23 13:44:30,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:30,225 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:44:30,225 INFO L226 Difference]: Without dead ends: 329 [2018-07-23 13:44:30,226 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:44:30,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-07-23 13:44:30,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-07-23 13:44:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 13:44:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 329 transitions. [2018-07-23 13:44:30,230 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 329 transitions. Word has length 326 [2018-07-23 13:44:30,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:30,230 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 329 transitions. [2018-07-23 13:44:30,230 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:44:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 329 transitions. [2018-07-23 13:44:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-07-23 13:44:30,231 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:30,231 INFO L357 BasicCegarLoop]: trace histogram [163, 162, 1, 1, 1] [2018-07-23 13:44:30,231 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:30,231 INFO L82 PathProgramCache]: Analyzing trace with hash 391774459, now seen corresponding path program 162 times [2018-07-23 13:44:30,231 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:30,925 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 13:44:30,926 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:30,926 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:44:30,926 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:30,926 INFO L185 omatonBuilderFactory]: Interpolants [123137#(<= ULTIMATE.start_main_~i~4 85), 123136#(<= ULTIMATE.start_main_~i~4 84), 123139#(<= ULTIMATE.start_main_~i~4 87), 123138#(<= ULTIMATE.start_main_~i~4 86), 123141#(<= ULTIMATE.start_main_~i~4 89), 123140#(<= ULTIMATE.start_main_~i~4 88), 123143#(<= ULTIMATE.start_main_~i~4 91), 123142#(<= ULTIMATE.start_main_~i~4 90), 123145#(<= ULTIMATE.start_main_~i~4 93), 123144#(<= ULTIMATE.start_main_~i~4 92), 123147#(<= ULTIMATE.start_main_~i~4 95), 123146#(<= ULTIMATE.start_main_~i~4 94), 123149#(<= ULTIMATE.start_main_~i~4 97), 123148#(<= ULTIMATE.start_main_~i~4 96), 123151#(<= ULTIMATE.start_main_~i~4 99), 123150#(<= ULTIMATE.start_main_~i~4 98), 123153#(<= ULTIMATE.start_main_~i~4 101), 123152#(<= ULTIMATE.start_main_~i~4 100), 123155#(<= ULTIMATE.start_main_~i~4 103), 123154#(<= ULTIMATE.start_main_~i~4 102), 123157#(<= ULTIMATE.start_main_~i~4 105), 123156#(<= ULTIMATE.start_main_~i~4 104), 123159#(<= ULTIMATE.start_main_~i~4 107), 123158#(<= ULTIMATE.start_main_~i~4 106), 123161#(<= ULTIMATE.start_main_~i~4 109), 123160#(<= ULTIMATE.start_main_~i~4 108), 123163#(<= ULTIMATE.start_main_~i~4 111), 123162#(<= ULTIMATE.start_main_~i~4 110), 123165#(<= ULTIMATE.start_main_~i~4 113), 123164#(<= ULTIMATE.start_main_~i~4 112), 123167#(<= ULTIMATE.start_main_~i~4 115), 123166#(<= ULTIMATE.start_main_~i~4 114), 123169#(<= ULTIMATE.start_main_~i~4 117), 123168#(<= ULTIMATE.start_main_~i~4 116), 123171#(<= ULTIMATE.start_main_~i~4 119), 123170#(<= ULTIMATE.start_main_~i~4 118), 123173#(<= ULTIMATE.start_main_~i~4 121), 123172#(<= ULTIMATE.start_main_~i~4 120), 123175#(<= ULTIMATE.start_main_~i~4 123), 123174#(<= ULTIMATE.start_main_~i~4 122), 123177#(<= ULTIMATE.start_main_~i~4 125), 123176#(<= ULTIMATE.start_main_~i~4 124), 123179#(<= ULTIMATE.start_main_~i~4 127), 123178#(<= ULTIMATE.start_main_~i~4 126), 123181#(<= ULTIMATE.start_main_~i~4 129), 123180#(<= ULTIMATE.start_main_~i~4 128), 123183#(<= ULTIMATE.start_main_~i~4 131), 123182#(<= ULTIMATE.start_main_~i~4 130), 123185#(<= ULTIMATE.start_main_~i~4 133), 123184#(<= ULTIMATE.start_main_~i~4 132), 123187#(<= ULTIMATE.start_main_~i~4 135), 123186#(<= ULTIMATE.start_main_~i~4 134), 123189#(<= ULTIMATE.start_main_~i~4 137), 123188#(<= ULTIMATE.start_main_~i~4 136), 123191#(<= ULTIMATE.start_main_~i~4 139), 123190#(<= ULTIMATE.start_main_~i~4 138), 123193#(<= ULTIMATE.start_main_~i~4 141), 123192#(<= ULTIMATE.start_main_~i~4 140), 123195#(<= ULTIMATE.start_main_~i~4 143), 123194#(<= ULTIMATE.start_main_~i~4 142), 123197#(<= ULTIMATE.start_main_~i~4 145), 123196#(<= ULTIMATE.start_main_~i~4 144), 123199#(<= ULTIMATE.start_main_~i~4 147), 123198#(<= ULTIMATE.start_main_~i~4 146), 123201#(<= ULTIMATE.start_main_~i~4 149), 123200#(<= ULTIMATE.start_main_~i~4 148), 123203#(<= ULTIMATE.start_main_~i~4 151), 123202#(<= ULTIMATE.start_main_~i~4 150), 123205#(<= ULTIMATE.start_main_~i~4 153), 123204#(<= ULTIMATE.start_main_~i~4 152), 123207#(<= ULTIMATE.start_main_~i~4 155), 123206#(<= ULTIMATE.start_main_~i~4 154), 123209#(<= ULTIMATE.start_main_~i~4 157), 123208#(<= ULTIMATE.start_main_~i~4 156), 123211#(<= ULTIMATE.start_main_~i~4 159), 123210#(<= ULTIMATE.start_main_~i~4 158), 123213#(<= ULTIMATE.start_main_~i~4 161), 123212#(<= ULTIMATE.start_main_~i~4 160), 123214#(<= ULTIMATE.start_main_~i~4 162), 123051#false, 123050#true, 123053#(<= ULTIMATE.start_main_~i~4 1), 123052#(<= ULTIMATE.start_main_~i~4 0), 123055#(<= ULTIMATE.start_main_~i~4 3), 123054#(<= ULTIMATE.start_main_~i~4 2), 123057#(<= ULTIMATE.start_main_~i~4 5), 123056#(<= ULTIMATE.start_main_~i~4 4), 123059#(<= ULTIMATE.start_main_~i~4 7), 123058#(<= ULTIMATE.start_main_~i~4 6), 123061#(<= ULTIMATE.start_main_~i~4 9), 123060#(<= ULTIMATE.start_main_~i~4 8), 123063#(<= ULTIMATE.start_main_~i~4 11), 123062#(<= ULTIMATE.start_main_~i~4 10), 123065#(<= ULTIMATE.start_main_~i~4 13), 123064#(<= ULTIMATE.start_main_~i~4 12), 123067#(<= ULTIMATE.start_main_~i~4 15), 123066#(<= ULTIMATE.start_main_~i~4 14), 123069#(<= ULTIMATE.start_main_~i~4 17), 123068#(<= ULTIMATE.start_main_~i~4 16), 123071#(<= ULTIMATE.start_main_~i~4 19), 123070#(<= ULTIMATE.start_main_~i~4 18), 123073#(<= ULTIMATE.start_main_~i~4 21), 123072#(<= ULTIMATE.start_main_~i~4 20), 123075#(<= ULTIMATE.start_main_~i~4 23), 123074#(<= ULTIMATE.start_main_~i~4 22), 123077#(<= ULTIMATE.start_main_~i~4 25), 123076#(<= ULTIMATE.start_main_~i~4 24), 123079#(<= ULTIMATE.start_main_~i~4 27), 123078#(<= ULTIMATE.start_main_~i~4 26), 123081#(<= ULTIMATE.start_main_~i~4 29), 123080#(<= ULTIMATE.start_main_~i~4 28), 123083#(<= ULTIMATE.start_main_~i~4 31), 123082#(<= ULTIMATE.start_main_~i~4 30), 123085#(<= ULTIMATE.start_main_~i~4 33), 123084#(<= ULTIMATE.start_main_~i~4 32), 123087#(<= ULTIMATE.start_main_~i~4 35), 123086#(<= ULTIMATE.start_main_~i~4 34), 123089#(<= ULTIMATE.start_main_~i~4 37), 123088#(<= ULTIMATE.start_main_~i~4 36), 123091#(<= ULTIMATE.start_main_~i~4 39), 123090#(<= ULTIMATE.start_main_~i~4 38), 123093#(<= ULTIMATE.start_main_~i~4 41), 123092#(<= ULTIMATE.start_main_~i~4 40), 123095#(<= ULTIMATE.start_main_~i~4 43), 123094#(<= ULTIMATE.start_main_~i~4 42), 123097#(<= ULTIMATE.start_main_~i~4 45), 123096#(<= ULTIMATE.start_main_~i~4 44), 123099#(<= ULTIMATE.start_main_~i~4 47), 123098#(<= ULTIMATE.start_main_~i~4 46), 123101#(<= ULTIMATE.start_main_~i~4 49), 123100#(<= ULTIMATE.start_main_~i~4 48), 123103#(<= ULTIMATE.start_main_~i~4 51), 123102#(<= ULTIMATE.start_main_~i~4 50), 123105#(<= ULTIMATE.start_main_~i~4 53), 123104#(<= ULTIMATE.start_main_~i~4 52), 123107#(<= ULTIMATE.start_main_~i~4 55), 123106#(<= ULTIMATE.start_main_~i~4 54), 123109#(<= ULTIMATE.start_main_~i~4 57), 123108#(<= ULTIMATE.start_main_~i~4 56), 123111#(<= ULTIMATE.start_main_~i~4 59), 123110#(<= ULTIMATE.start_main_~i~4 58), 123113#(<= ULTIMATE.start_main_~i~4 61), 123112#(<= ULTIMATE.start_main_~i~4 60), 123115#(<= ULTIMATE.start_main_~i~4 63), 123114#(<= ULTIMATE.start_main_~i~4 62), 123117#(<= ULTIMATE.start_main_~i~4 65), 123116#(<= ULTIMATE.start_main_~i~4 64), 123119#(<= ULTIMATE.start_main_~i~4 67), 123118#(<= ULTIMATE.start_main_~i~4 66), 123121#(<= ULTIMATE.start_main_~i~4 69), 123120#(<= ULTIMATE.start_main_~i~4 68), 123123#(<= ULTIMATE.start_main_~i~4 71), 123122#(<= ULTIMATE.start_main_~i~4 70), 123125#(<= ULTIMATE.start_main_~i~4 73), 123124#(<= ULTIMATE.start_main_~i~4 72), 123127#(<= ULTIMATE.start_main_~i~4 75), 123126#(<= ULTIMATE.start_main_~i~4 74), 123129#(<= ULTIMATE.start_main_~i~4 77), 123128#(<= ULTIMATE.start_main_~i~4 76), 123131#(<= ULTIMATE.start_main_~i~4 79), 123130#(<= ULTIMATE.start_main_~i~4 78), 123133#(<= ULTIMATE.start_main_~i~4 81), 123132#(<= ULTIMATE.start_main_~i~4 80), 123135#(<= ULTIMATE.start_main_~i~4 83), 123134#(<= ULTIMATE.start_main_~i~4 82)] [2018-07-23 13:44:30,928 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 13:44:30,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:44:30,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:44:30,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:44:30,931 INFO L87 Difference]: Start difference. First operand 329 states and 329 transitions. Second operand 165 states. [2018-07-23 13:44:31,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:31,206 INFO L93 Difference]: Finished difference Result 333 states and 333 transitions. [2018-07-23 13:44:31,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:44:31,206 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 328 [2018-07-23 13:44:31,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:31,207 INFO L225 Difference]: With dead ends: 333 [2018-07-23 13:44:31,207 INFO L226 Difference]: Without dead ends: 331 [2018-07-23 13:44:31,208 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:44:31,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-07-23 13:44:31,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-07-23 13:44:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-07-23 13:44:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 331 transitions. [2018-07-23 13:44:31,212 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 331 transitions. Word has length 328 [2018-07-23 13:44:31,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:31,212 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 331 transitions. [2018-07-23 13:44:31,212 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:44:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 331 transitions. [2018-07-23 13:44:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-07-23 13:44:31,213 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:31,213 INFO L357 BasicCegarLoop]: trace histogram [164, 163, 1, 1, 1] [2018-07-23 13:44:31,213 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:31,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1461814859, now seen corresponding path program 163 times [2018-07-23 13:44:31,213 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:31,981 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 13:44:31,981 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:31,982 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:44:31,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:31,982 INFO L185 omatonBuilderFactory]: Interpolants [124673#(<= ULTIMATE.start_main_~i~4 128), 124672#(<= ULTIMATE.start_main_~i~4 127), 124675#(<= ULTIMATE.start_main_~i~4 130), 124674#(<= ULTIMATE.start_main_~i~4 129), 124677#(<= ULTIMATE.start_main_~i~4 132), 124676#(<= ULTIMATE.start_main_~i~4 131), 124679#(<= ULTIMATE.start_main_~i~4 134), 124678#(<= ULTIMATE.start_main_~i~4 133), 124681#(<= ULTIMATE.start_main_~i~4 136), 124680#(<= ULTIMATE.start_main_~i~4 135), 124683#(<= ULTIMATE.start_main_~i~4 138), 124682#(<= ULTIMATE.start_main_~i~4 137), 124685#(<= ULTIMATE.start_main_~i~4 140), 124684#(<= ULTIMATE.start_main_~i~4 139), 124687#(<= ULTIMATE.start_main_~i~4 142), 124686#(<= ULTIMATE.start_main_~i~4 141), 124689#(<= ULTIMATE.start_main_~i~4 144), 124688#(<= ULTIMATE.start_main_~i~4 143), 124691#(<= ULTIMATE.start_main_~i~4 146), 124690#(<= ULTIMATE.start_main_~i~4 145), 124693#(<= ULTIMATE.start_main_~i~4 148), 124692#(<= ULTIMATE.start_main_~i~4 147), 124695#(<= ULTIMATE.start_main_~i~4 150), 124694#(<= ULTIMATE.start_main_~i~4 149), 124697#(<= ULTIMATE.start_main_~i~4 152), 124696#(<= ULTIMATE.start_main_~i~4 151), 124699#(<= ULTIMATE.start_main_~i~4 154), 124698#(<= ULTIMATE.start_main_~i~4 153), 124701#(<= ULTIMATE.start_main_~i~4 156), 124700#(<= ULTIMATE.start_main_~i~4 155), 124703#(<= ULTIMATE.start_main_~i~4 158), 124702#(<= ULTIMATE.start_main_~i~4 157), 124705#(<= ULTIMATE.start_main_~i~4 160), 124704#(<= ULTIMATE.start_main_~i~4 159), 124707#(<= ULTIMATE.start_main_~i~4 162), 124706#(<= ULTIMATE.start_main_~i~4 161), 124708#(<= ULTIMATE.start_main_~i~4 163), 124543#true, 124545#(<= ULTIMATE.start_main_~i~4 0), 124544#false, 124547#(<= ULTIMATE.start_main_~i~4 2), 124546#(<= ULTIMATE.start_main_~i~4 1), 124549#(<= ULTIMATE.start_main_~i~4 4), 124548#(<= ULTIMATE.start_main_~i~4 3), 124551#(<= ULTIMATE.start_main_~i~4 6), 124550#(<= ULTIMATE.start_main_~i~4 5), 124553#(<= ULTIMATE.start_main_~i~4 8), 124552#(<= ULTIMATE.start_main_~i~4 7), 124555#(<= ULTIMATE.start_main_~i~4 10), 124554#(<= ULTIMATE.start_main_~i~4 9), 124557#(<= ULTIMATE.start_main_~i~4 12), 124556#(<= ULTIMATE.start_main_~i~4 11), 124559#(<= ULTIMATE.start_main_~i~4 14), 124558#(<= ULTIMATE.start_main_~i~4 13), 124561#(<= ULTIMATE.start_main_~i~4 16), 124560#(<= ULTIMATE.start_main_~i~4 15), 124563#(<= ULTIMATE.start_main_~i~4 18), 124562#(<= ULTIMATE.start_main_~i~4 17), 124565#(<= ULTIMATE.start_main_~i~4 20), 124564#(<= ULTIMATE.start_main_~i~4 19), 124567#(<= ULTIMATE.start_main_~i~4 22), 124566#(<= ULTIMATE.start_main_~i~4 21), 124569#(<= ULTIMATE.start_main_~i~4 24), 124568#(<= ULTIMATE.start_main_~i~4 23), 124571#(<= ULTIMATE.start_main_~i~4 26), 124570#(<= ULTIMATE.start_main_~i~4 25), 124573#(<= ULTIMATE.start_main_~i~4 28), 124572#(<= ULTIMATE.start_main_~i~4 27), 124575#(<= ULTIMATE.start_main_~i~4 30), 124574#(<= ULTIMATE.start_main_~i~4 29), 124577#(<= ULTIMATE.start_main_~i~4 32), 124576#(<= ULTIMATE.start_main_~i~4 31), 124579#(<= ULTIMATE.start_main_~i~4 34), 124578#(<= ULTIMATE.start_main_~i~4 33), 124581#(<= ULTIMATE.start_main_~i~4 36), 124580#(<= ULTIMATE.start_main_~i~4 35), 124583#(<= ULTIMATE.start_main_~i~4 38), 124582#(<= ULTIMATE.start_main_~i~4 37), 124585#(<= ULTIMATE.start_main_~i~4 40), 124584#(<= ULTIMATE.start_main_~i~4 39), 124587#(<= ULTIMATE.start_main_~i~4 42), 124586#(<= ULTIMATE.start_main_~i~4 41), 124589#(<= ULTIMATE.start_main_~i~4 44), 124588#(<= ULTIMATE.start_main_~i~4 43), 124591#(<= ULTIMATE.start_main_~i~4 46), 124590#(<= ULTIMATE.start_main_~i~4 45), 124593#(<= ULTIMATE.start_main_~i~4 48), 124592#(<= ULTIMATE.start_main_~i~4 47), 124595#(<= ULTIMATE.start_main_~i~4 50), 124594#(<= ULTIMATE.start_main_~i~4 49), 124597#(<= ULTIMATE.start_main_~i~4 52), 124596#(<= ULTIMATE.start_main_~i~4 51), 124599#(<= ULTIMATE.start_main_~i~4 54), 124598#(<= ULTIMATE.start_main_~i~4 53), 124601#(<= ULTIMATE.start_main_~i~4 56), 124600#(<= ULTIMATE.start_main_~i~4 55), 124603#(<= ULTIMATE.start_main_~i~4 58), 124602#(<= ULTIMATE.start_main_~i~4 57), 124605#(<= ULTIMATE.start_main_~i~4 60), 124604#(<= ULTIMATE.start_main_~i~4 59), 124607#(<= ULTIMATE.start_main_~i~4 62), 124606#(<= ULTIMATE.start_main_~i~4 61), 124609#(<= ULTIMATE.start_main_~i~4 64), 124608#(<= ULTIMATE.start_main_~i~4 63), 124611#(<= ULTIMATE.start_main_~i~4 66), 124610#(<= ULTIMATE.start_main_~i~4 65), 124613#(<= ULTIMATE.start_main_~i~4 68), 124612#(<= ULTIMATE.start_main_~i~4 67), 124615#(<= ULTIMATE.start_main_~i~4 70), 124614#(<= ULTIMATE.start_main_~i~4 69), 124617#(<= ULTIMATE.start_main_~i~4 72), 124616#(<= ULTIMATE.start_main_~i~4 71), 124619#(<= ULTIMATE.start_main_~i~4 74), 124618#(<= ULTIMATE.start_main_~i~4 73), 124621#(<= ULTIMATE.start_main_~i~4 76), 124620#(<= ULTIMATE.start_main_~i~4 75), 124623#(<= ULTIMATE.start_main_~i~4 78), 124622#(<= ULTIMATE.start_main_~i~4 77), 124625#(<= ULTIMATE.start_main_~i~4 80), 124624#(<= ULTIMATE.start_main_~i~4 79), 124627#(<= ULTIMATE.start_main_~i~4 82), 124626#(<= ULTIMATE.start_main_~i~4 81), 124629#(<= ULTIMATE.start_main_~i~4 84), 124628#(<= ULTIMATE.start_main_~i~4 83), 124631#(<= ULTIMATE.start_main_~i~4 86), 124630#(<= ULTIMATE.start_main_~i~4 85), 124633#(<= ULTIMATE.start_main_~i~4 88), 124632#(<= ULTIMATE.start_main_~i~4 87), 124635#(<= ULTIMATE.start_main_~i~4 90), 124634#(<= ULTIMATE.start_main_~i~4 89), 124637#(<= ULTIMATE.start_main_~i~4 92), 124636#(<= ULTIMATE.start_main_~i~4 91), 124639#(<= ULTIMATE.start_main_~i~4 94), 124638#(<= ULTIMATE.start_main_~i~4 93), 124641#(<= ULTIMATE.start_main_~i~4 96), 124640#(<= ULTIMATE.start_main_~i~4 95), 124643#(<= ULTIMATE.start_main_~i~4 98), 124642#(<= ULTIMATE.start_main_~i~4 97), 124645#(<= ULTIMATE.start_main_~i~4 100), 124644#(<= ULTIMATE.start_main_~i~4 99), 124647#(<= ULTIMATE.start_main_~i~4 102), 124646#(<= ULTIMATE.start_main_~i~4 101), 124649#(<= ULTIMATE.start_main_~i~4 104), 124648#(<= ULTIMATE.start_main_~i~4 103), 124651#(<= ULTIMATE.start_main_~i~4 106), 124650#(<= ULTIMATE.start_main_~i~4 105), 124653#(<= ULTIMATE.start_main_~i~4 108), 124652#(<= ULTIMATE.start_main_~i~4 107), 124655#(<= ULTIMATE.start_main_~i~4 110), 124654#(<= ULTIMATE.start_main_~i~4 109), 124657#(<= ULTIMATE.start_main_~i~4 112), 124656#(<= ULTIMATE.start_main_~i~4 111), 124659#(<= ULTIMATE.start_main_~i~4 114), 124658#(<= ULTIMATE.start_main_~i~4 113), 124661#(<= ULTIMATE.start_main_~i~4 116), 124660#(<= ULTIMATE.start_main_~i~4 115), 124663#(<= ULTIMATE.start_main_~i~4 118), 124662#(<= ULTIMATE.start_main_~i~4 117), 124665#(<= ULTIMATE.start_main_~i~4 120), 124664#(<= ULTIMATE.start_main_~i~4 119), 124667#(<= ULTIMATE.start_main_~i~4 122), 124666#(<= ULTIMATE.start_main_~i~4 121), 124669#(<= ULTIMATE.start_main_~i~4 124), 124668#(<= ULTIMATE.start_main_~i~4 123), 124671#(<= ULTIMATE.start_main_~i~4 126), 124670#(<= ULTIMATE.start_main_~i~4 125)] [2018-07-23 13:44:31,984 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 13:44:31,984 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:44:31,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:44:31,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:44:31,987 INFO L87 Difference]: Start difference. First operand 331 states and 331 transitions. Second operand 166 states. [2018-07-23 13:44:32,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:32,556 INFO L93 Difference]: Finished difference Result 335 states and 335 transitions. [2018-07-23 13:44:32,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:44:32,556 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 330 [2018-07-23 13:44:32,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:32,556 INFO L225 Difference]: With dead ends: 335 [2018-07-23 13:44:32,556 INFO L226 Difference]: Without dead ends: 333 [2018-07-23 13:44:32,558 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:44:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-07-23 13:44:32,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-07-23 13:44:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-07-23 13:44:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 333 transitions. [2018-07-23 13:44:32,564 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 333 transitions. Word has length 330 [2018-07-23 13:44:32,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:32,564 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 333 transitions. [2018-07-23 13:44:32,564 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:44:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 333 transitions. [2018-07-23 13:44:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-07-23 13:44:32,566 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:32,566 INFO L357 BasicCegarLoop]: trace histogram [165, 164, 1, 1, 1] [2018-07-23 13:44:32,566 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:32,566 INFO L82 PathProgramCache]: Analyzing trace with hash -349721617, now seen corresponding path program 164 times [2018-07-23 13:44:32,566 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:33,437 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 13:44:33,437 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:33,438 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:44:33,438 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:33,438 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 13:44:33,438 INFO L185 omatonBuilderFactory]: Interpolants [126209#(<= ULTIMATE.start_main_~i~4 162), 126208#(<= ULTIMATE.start_main_~i~4 161), 126211#(<= ULTIMATE.start_main_~i~4 164), 126210#(<= ULTIMATE.start_main_~i~4 163), 126045#true, 126047#(<= ULTIMATE.start_main_~i~4 0), 126046#false, 126049#(<= ULTIMATE.start_main_~i~4 2), 126048#(<= ULTIMATE.start_main_~i~4 1), 126051#(<= ULTIMATE.start_main_~i~4 4), 126050#(<= ULTIMATE.start_main_~i~4 3), 126053#(<= ULTIMATE.start_main_~i~4 6), 126052#(<= ULTIMATE.start_main_~i~4 5), 126055#(<= ULTIMATE.start_main_~i~4 8), 126054#(<= ULTIMATE.start_main_~i~4 7), 126057#(<= ULTIMATE.start_main_~i~4 10), 126056#(<= ULTIMATE.start_main_~i~4 9), 126059#(<= ULTIMATE.start_main_~i~4 12), 126058#(<= ULTIMATE.start_main_~i~4 11), 126061#(<= ULTIMATE.start_main_~i~4 14), 126060#(<= ULTIMATE.start_main_~i~4 13), 126063#(<= ULTIMATE.start_main_~i~4 16), 126062#(<= ULTIMATE.start_main_~i~4 15), 126065#(<= ULTIMATE.start_main_~i~4 18), 126064#(<= ULTIMATE.start_main_~i~4 17), 126067#(<= ULTIMATE.start_main_~i~4 20), 126066#(<= ULTIMATE.start_main_~i~4 19), 126069#(<= ULTIMATE.start_main_~i~4 22), 126068#(<= ULTIMATE.start_main_~i~4 21), 126071#(<= ULTIMATE.start_main_~i~4 24), 126070#(<= ULTIMATE.start_main_~i~4 23), 126073#(<= ULTIMATE.start_main_~i~4 26), 126072#(<= ULTIMATE.start_main_~i~4 25), 126075#(<= ULTIMATE.start_main_~i~4 28), 126074#(<= ULTIMATE.start_main_~i~4 27), 126077#(<= ULTIMATE.start_main_~i~4 30), 126076#(<= ULTIMATE.start_main_~i~4 29), 126079#(<= ULTIMATE.start_main_~i~4 32), 126078#(<= ULTIMATE.start_main_~i~4 31), 126081#(<= ULTIMATE.start_main_~i~4 34), 126080#(<= ULTIMATE.start_main_~i~4 33), 126083#(<= ULTIMATE.start_main_~i~4 36), 126082#(<= ULTIMATE.start_main_~i~4 35), 126085#(<= ULTIMATE.start_main_~i~4 38), 126084#(<= ULTIMATE.start_main_~i~4 37), 126087#(<= ULTIMATE.start_main_~i~4 40), 126086#(<= ULTIMATE.start_main_~i~4 39), 126089#(<= ULTIMATE.start_main_~i~4 42), 126088#(<= ULTIMATE.start_main_~i~4 41), 126091#(<= ULTIMATE.start_main_~i~4 44), 126090#(<= ULTIMATE.start_main_~i~4 43), 126093#(<= ULTIMATE.start_main_~i~4 46), 126092#(<= ULTIMATE.start_main_~i~4 45), 126095#(<= ULTIMATE.start_main_~i~4 48), 126094#(<= ULTIMATE.start_main_~i~4 47), 126097#(<= ULTIMATE.start_main_~i~4 50), 126096#(<= ULTIMATE.start_main_~i~4 49), 126099#(<= ULTIMATE.start_main_~i~4 52), 126098#(<= ULTIMATE.start_main_~i~4 51), 126101#(<= ULTIMATE.start_main_~i~4 54), 126100#(<= ULTIMATE.start_main_~i~4 53), 126103#(<= ULTIMATE.start_main_~i~4 56), 126102#(<= ULTIMATE.start_main_~i~4 55), 126105#(<= ULTIMATE.start_main_~i~4 58), 126104#(<= ULTIMATE.start_main_~i~4 57), 126107#(<= ULTIMATE.start_main_~i~4 60), 126106#(<= ULTIMATE.start_main_~i~4 59), 126109#(<= ULTIMATE.start_main_~i~4 62), 126108#(<= ULTIMATE.start_main_~i~4 61), 126111#(<= ULTIMATE.start_main_~i~4 64), 126110#(<= ULTIMATE.start_main_~i~4 63), 126113#(<= ULTIMATE.start_main_~i~4 66), 126112#(<= ULTIMATE.start_main_~i~4 65), 126115#(<= ULTIMATE.start_main_~i~4 68), 126114#(<= ULTIMATE.start_main_~i~4 67), 126117#(<= ULTIMATE.start_main_~i~4 70), 126116#(<= ULTIMATE.start_main_~i~4 69), 126119#(<= ULTIMATE.start_main_~i~4 72), 126118#(<= ULTIMATE.start_main_~i~4 71), 126121#(<= ULTIMATE.start_main_~i~4 74), 126120#(<= ULTIMATE.start_main_~i~4 73), 126123#(<= ULTIMATE.start_main_~i~4 76), 126122#(<= ULTIMATE.start_main_~i~4 75), 126125#(<= ULTIMATE.start_main_~i~4 78), 126124#(<= ULTIMATE.start_main_~i~4 77), 126127#(<= ULTIMATE.start_main_~i~4 80), 126126#(<= ULTIMATE.start_main_~i~4 79), 126129#(<= ULTIMATE.start_main_~i~4 82), 126128#(<= ULTIMATE.start_main_~i~4 81), 126131#(<= ULTIMATE.start_main_~i~4 84), 126130#(<= ULTIMATE.start_main_~i~4 83), 126133#(<= ULTIMATE.start_main_~i~4 86), 126132#(<= ULTIMATE.start_main_~i~4 85), 126135#(<= ULTIMATE.start_main_~i~4 88), 126134#(<= ULTIMATE.start_main_~i~4 87), 126137#(<= ULTIMATE.start_main_~i~4 90), 126136#(<= ULTIMATE.start_main_~i~4 89), 126139#(<= ULTIMATE.start_main_~i~4 92), 126138#(<= ULTIMATE.start_main_~i~4 91), 126141#(<= ULTIMATE.start_main_~i~4 94), 126140#(<= ULTIMATE.start_main_~i~4 93), 126143#(<= ULTIMATE.start_main_~i~4 96), 126142#(<= ULTIMATE.start_main_~i~4 95), 126145#(<= ULTIMATE.start_main_~i~4 98), 126144#(<= ULTIMATE.start_main_~i~4 97), 126147#(<= ULTIMATE.start_main_~i~4 100), 126146#(<= ULTIMATE.start_main_~i~4 99), 126149#(<= ULTIMATE.start_main_~i~4 102), 126148#(<= ULTIMATE.start_main_~i~4 101), 126151#(<= ULTIMATE.start_main_~i~4 104), 126150#(<= ULTIMATE.start_main_~i~4 103), 126153#(<= ULTIMATE.start_main_~i~4 106), 126152#(<= ULTIMATE.start_main_~i~4 105), 126155#(<= ULTIMATE.start_main_~i~4 108), 126154#(<= ULTIMATE.start_main_~i~4 107), 126157#(<= ULTIMATE.start_main_~i~4 110), 126156#(<= ULTIMATE.start_main_~i~4 109), 126159#(<= ULTIMATE.start_main_~i~4 112), 126158#(<= ULTIMATE.start_main_~i~4 111), 126161#(<= ULTIMATE.start_main_~i~4 114), 126160#(<= ULTIMATE.start_main_~i~4 113), 126163#(<= ULTIMATE.start_main_~i~4 116), 126162#(<= ULTIMATE.start_main_~i~4 115), 126165#(<= ULTIMATE.start_main_~i~4 118), 126164#(<= ULTIMATE.start_main_~i~4 117), 126167#(<= ULTIMATE.start_main_~i~4 120), 126166#(<= ULTIMATE.start_main_~i~4 119), 126169#(<= ULTIMATE.start_main_~i~4 122), 126168#(<= ULTIMATE.start_main_~i~4 121), 126171#(<= ULTIMATE.start_main_~i~4 124), 126170#(<= ULTIMATE.start_main_~i~4 123), 126173#(<= ULTIMATE.start_main_~i~4 126), 126172#(<= ULTIMATE.start_main_~i~4 125), 126175#(<= ULTIMATE.start_main_~i~4 128), 126174#(<= ULTIMATE.start_main_~i~4 127), 126177#(<= ULTIMATE.start_main_~i~4 130), 126176#(<= ULTIMATE.start_main_~i~4 129), 126179#(<= ULTIMATE.start_main_~i~4 132), 126178#(<= ULTIMATE.start_main_~i~4 131), 126181#(<= ULTIMATE.start_main_~i~4 134), 126180#(<= ULTIMATE.start_main_~i~4 133), 126183#(<= ULTIMATE.start_main_~i~4 136), 126182#(<= ULTIMATE.start_main_~i~4 135), 126185#(<= ULTIMATE.start_main_~i~4 138), 126184#(<= ULTIMATE.start_main_~i~4 137), 126187#(<= ULTIMATE.start_main_~i~4 140), 126186#(<= ULTIMATE.start_main_~i~4 139), 126189#(<= ULTIMATE.start_main_~i~4 142), 126188#(<= ULTIMATE.start_main_~i~4 141), 126191#(<= ULTIMATE.start_main_~i~4 144), 126190#(<= ULTIMATE.start_main_~i~4 143), 126193#(<= ULTIMATE.start_main_~i~4 146), 126192#(<= ULTIMATE.start_main_~i~4 145), 126195#(<= ULTIMATE.start_main_~i~4 148), 126194#(<= ULTIMATE.start_main_~i~4 147), 126197#(<= ULTIMATE.start_main_~i~4 150), 126196#(<= ULTIMATE.start_main_~i~4 149), 126199#(<= ULTIMATE.start_main_~i~4 152), 126198#(<= ULTIMATE.start_main_~i~4 151), 126201#(<= ULTIMATE.start_main_~i~4 154), 126200#(<= ULTIMATE.start_main_~i~4 153), 126203#(<= ULTIMATE.start_main_~i~4 156), 126202#(<= ULTIMATE.start_main_~i~4 155), 126205#(<= ULTIMATE.start_main_~i~4 158), 126204#(<= ULTIMATE.start_main_~i~4 157), 126207#(<= ULTIMATE.start_main_~i~4 160), 126206#(<= ULTIMATE.start_main_~i~4 159)] [2018-07-23 13:44:33,440 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 13:44:33,440 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:44:33,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:44:33,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:44:33,443 INFO L87 Difference]: Start difference. First operand 333 states and 333 transitions. Second operand 167 states. [2018-07-23 13:44:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:34,404 INFO L93 Difference]: Finished difference Result 337 states and 337 transitions. [2018-07-23 13:44:34,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:44:34,404 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 332 [2018-07-23 13:44:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:34,404 INFO L225 Difference]: With dead ends: 337 [2018-07-23 13:44:34,404 INFO L226 Difference]: Without dead ends: 335 [2018-07-23 13:44:34,406 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 13:44:34,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-07-23 13:44:34,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2018-07-23 13:44:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-07-23 13:44:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 335 transitions. [2018-07-23 13:44:34,409 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 335 transitions. Word has length 332 [2018-07-23 13:44:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:34,409 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 335 transitions. [2018-07-23 13:44:34,409 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:44:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 335 transitions. [2018-07-23 13:44:34,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-07-23 13:44:34,410 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:34,410 INFO L357 BasicCegarLoop]: trace histogram [166, 165, 1, 1, 1] [2018-07-23 13:44:34,410 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:34,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1074972759, now seen corresponding path program 165 times [2018-07-23 13:44:34,411 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:35,118 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 13:44:35,119 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:35,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:44:35,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:35,119 INFO L185 omatonBuilderFactory]: Interpolants [127557#false, 127556#true, 127559#(<= ULTIMATE.start_main_~i~4 1), 127558#(<= ULTIMATE.start_main_~i~4 0), 127561#(<= ULTIMATE.start_main_~i~4 3), 127560#(<= ULTIMATE.start_main_~i~4 2), 127563#(<= ULTIMATE.start_main_~i~4 5), 127562#(<= ULTIMATE.start_main_~i~4 4), 127565#(<= ULTIMATE.start_main_~i~4 7), 127564#(<= ULTIMATE.start_main_~i~4 6), 127567#(<= ULTIMATE.start_main_~i~4 9), 127566#(<= ULTIMATE.start_main_~i~4 8), 127569#(<= ULTIMATE.start_main_~i~4 11), 127568#(<= ULTIMATE.start_main_~i~4 10), 127571#(<= ULTIMATE.start_main_~i~4 13), 127570#(<= ULTIMATE.start_main_~i~4 12), 127573#(<= ULTIMATE.start_main_~i~4 15), 127572#(<= ULTIMATE.start_main_~i~4 14), 127575#(<= ULTIMATE.start_main_~i~4 17), 127574#(<= ULTIMATE.start_main_~i~4 16), 127577#(<= ULTIMATE.start_main_~i~4 19), 127576#(<= ULTIMATE.start_main_~i~4 18), 127579#(<= ULTIMATE.start_main_~i~4 21), 127578#(<= ULTIMATE.start_main_~i~4 20), 127581#(<= ULTIMATE.start_main_~i~4 23), 127580#(<= ULTIMATE.start_main_~i~4 22), 127583#(<= ULTIMATE.start_main_~i~4 25), 127582#(<= ULTIMATE.start_main_~i~4 24), 127585#(<= ULTIMATE.start_main_~i~4 27), 127584#(<= ULTIMATE.start_main_~i~4 26), 127587#(<= ULTIMATE.start_main_~i~4 29), 127586#(<= ULTIMATE.start_main_~i~4 28), 127589#(<= ULTIMATE.start_main_~i~4 31), 127588#(<= ULTIMATE.start_main_~i~4 30), 127591#(<= ULTIMATE.start_main_~i~4 33), 127590#(<= ULTIMATE.start_main_~i~4 32), 127593#(<= ULTIMATE.start_main_~i~4 35), 127592#(<= ULTIMATE.start_main_~i~4 34), 127595#(<= ULTIMATE.start_main_~i~4 37), 127594#(<= ULTIMATE.start_main_~i~4 36), 127597#(<= ULTIMATE.start_main_~i~4 39), 127596#(<= ULTIMATE.start_main_~i~4 38), 127599#(<= ULTIMATE.start_main_~i~4 41), 127598#(<= ULTIMATE.start_main_~i~4 40), 127601#(<= ULTIMATE.start_main_~i~4 43), 127600#(<= ULTIMATE.start_main_~i~4 42), 127603#(<= ULTIMATE.start_main_~i~4 45), 127602#(<= ULTIMATE.start_main_~i~4 44), 127605#(<= ULTIMATE.start_main_~i~4 47), 127604#(<= ULTIMATE.start_main_~i~4 46), 127607#(<= ULTIMATE.start_main_~i~4 49), 127606#(<= ULTIMATE.start_main_~i~4 48), 127609#(<= ULTIMATE.start_main_~i~4 51), 127608#(<= ULTIMATE.start_main_~i~4 50), 127611#(<= ULTIMATE.start_main_~i~4 53), 127610#(<= ULTIMATE.start_main_~i~4 52), 127613#(<= ULTIMATE.start_main_~i~4 55), 127612#(<= ULTIMATE.start_main_~i~4 54), 127615#(<= ULTIMATE.start_main_~i~4 57), 127614#(<= ULTIMATE.start_main_~i~4 56), 127617#(<= ULTIMATE.start_main_~i~4 59), 127616#(<= ULTIMATE.start_main_~i~4 58), 127619#(<= ULTIMATE.start_main_~i~4 61), 127618#(<= ULTIMATE.start_main_~i~4 60), 127621#(<= ULTIMATE.start_main_~i~4 63), 127620#(<= ULTIMATE.start_main_~i~4 62), 127623#(<= ULTIMATE.start_main_~i~4 65), 127622#(<= ULTIMATE.start_main_~i~4 64), 127625#(<= ULTIMATE.start_main_~i~4 67), 127624#(<= ULTIMATE.start_main_~i~4 66), 127627#(<= ULTIMATE.start_main_~i~4 69), 127626#(<= ULTIMATE.start_main_~i~4 68), 127629#(<= ULTIMATE.start_main_~i~4 71), 127628#(<= ULTIMATE.start_main_~i~4 70), 127631#(<= ULTIMATE.start_main_~i~4 73), 127630#(<= ULTIMATE.start_main_~i~4 72), 127633#(<= ULTIMATE.start_main_~i~4 75), 127632#(<= ULTIMATE.start_main_~i~4 74), 127635#(<= ULTIMATE.start_main_~i~4 77), 127634#(<= ULTIMATE.start_main_~i~4 76), 127637#(<= ULTIMATE.start_main_~i~4 79), 127636#(<= ULTIMATE.start_main_~i~4 78), 127639#(<= ULTIMATE.start_main_~i~4 81), 127638#(<= ULTIMATE.start_main_~i~4 80), 127641#(<= ULTIMATE.start_main_~i~4 83), 127640#(<= ULTIMATE.start_main_~i~4 82), 127643#(<= ULTIMATE.start_main_~i~4 85), 127642#(<= ULTIMATE.start_main_~i~4 84), 127645#(<= ULTIMATE.start_main_~i~4 87), 127644#(<= ULTIMATE.start_main_~i~4 86), 127647#(<= ULTIMATE.start_main_~i~4 89), 127646#(<= ULTIMATE.start_main_~i~4 88), 127649#(<= ULTIMATE.start_main_~i~4 91), 127648#(<= ULTIMATE.start_main_~i~4 90), 127651#(<= ULTIMATE.start_main_~i~4 93), 127650#(<= ULTIMATE.start_main_~i~4 92), 127653#(<= ULTIMATE.start_main_~i~4 95), 127652#(<= ULTIMATE.start_main_~i~4 94), 127655#(<= ULTIMATE.start_main_~i~4 97), 127654#(<= ULTIMATE.start_main_~i~4 96), 127657#(<= ULTIMATE.start_main_~i~4 99), 127656#(<= ULTIMATE.start_main_~i~4 98), 127659#(<= ULTIMATE.start_main_~i~4 101), 127658#(<= ULTIMATE.start_main_~i~4 100), 127661#(<= ULTIMATE.start_main_~i~4 103), 127660#(<= ULTIMATE.start_main_~i~4 102), 127663#(<= ULTIMATE.start_main_~i~4 105), 127662#(<= ULTIMATE.start_main_~i~4 104), 127665#(<= ULTIMATE.start_main_~i~4 107), 127664#(<= ULTIMATE.start_main_~i~4 106), 127667#(<= ULTIMATE.start_main_~i~4 109), 127666#(<= ULTIMATE.start_main_~i~4 108), 127669#(<= ULTIMATE.start_main_~i~4 111), 127668#(<= ULTIMATE.start_main_~i~4 110), 127671#(<= ULTIMATE.start_main_~i~4 113), 127670#(<= ULTIMATE.start_main_~i~4 112), 127673#(<= ULTIMATE.start_main_~i~4 115), 127672#(<= ULTIMATE.start_main_~i~4 114), 127675#(<= ULTIMATE.start_main_~i~4 117), 127674#(<= ULTIMATE.start_main_~i~4 116), 127677#(<= ULTIMATE.start_main_~i~4 119), 127676#(<= ULTIMATE.start_main_~i~4 118), 127679#(<= ULTIMATE.start_main_~i~4 121), 127678#(<= ULTIMATE.start_main_~i~4 120), 127681#(<= ULTIMATE.start_main_~i~4 123), 127680#(<= ULTIMATE.start_main_~i~4 122), 127683#(<= ULTIMATE.start_main_~i~4 125), 127682#(<= ULTIMATE.start_main_~i~4 124), 127685#(<= ULTIMATE.start_main_~i~4 127), 127684#(<= ULTIMATE.start_main_~i~4 126), 127687#(<= ULTIMATE.start_main_~i~4 129), 127686#(<= ULTIMATE.start_main_~i~4 128), 127689#(<= ULTIMATE.start_main_~i~4 131), 127688#(<= ULTIMATE.start_main_~i~4 130), 127691#(<= ULTIMATE.start_main_~i~4 133), 127690#(<= ULTIMATE.start_main_~i~4 132), 127693#(<= ULTIMATE.start_main_~i~4 135), 127692#(<= ULTIMATE.start_main_~i~4 134), 127695#(<= ULTIMATE.start_main_~i~4 137), 127694#(<= ULTIMATE.start_main_~i~4 136), 127697#(<= ULTIMATE.start_main_~i~4 139), 127696#(<= ULTIMATE.start_main_~i~4 138), 127699#(<= ULTIMATE.start_main_~i~4 141), 127698#(<= ULTIMATE.start_main_~i~4 140), 127701#(<= ULTIMATE.start_main_~i~4 143), 127700#(<= ULTIMATE.start_main_~i~4 142), 127703#(<= ULTIMATE.start_main_~i~4 145), 127702#(<= ULTIMATE.start_main_~i~4 144), 127705#(<= ULTIMATE.start_main_~i~4 147), 127704#(<= ULTIMATE.start_main_~i~4 146), 127707#(<= ULTIMATE.start_main_~i~4 149), 127706#(<= ULTIMATE.start_main_~i~4 148), 127709#(<= ULTIMATE.start_main_~i~4 151), 127708#(<= ULTIMATE.start_main_~i~4 150), 127711#(<= ULTIMATE.start_main_~i~4 153), 127710#(<= ULTIMATE.start_main_~i~4 152), 127713#(<= ULTIMATE.start_main_~i~4 155), 127712#(<= ULTIMATE.start_main_~i~4 154), 127715#(<= ULTIMATE.start_main_~i~4 157), 127714#(<= ULTIMATE.start_main_~i~4 156), 127717#(<= ULTIMATE.start_main_~i~4 159), 127716#(<= ULTIMATE.start_main_~i~4 158), 127719#(<= ULTIMATE.start_main_~i~4 161), 127718#(<= ULTIMATE.start_main_~i~4 160), 127721#(<= ULTIMATE.start_main_~i~4 163), 127720#(<= ULTIMATE.start_main_~i~4 162), 127723#(<= ULTIMATE.start_main_~i~4 165), 127722#(<= ULTIMATE.start_main_~i~4 164)] [2018-07-23 13:44:35,121 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 13:44:35,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:44:35,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:44:35,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:44:35,125 INFO L87 Difference]: Start difference. First operand 335 states and 335 transitions. Second operand 168 states. [2018-07-23 13:44:36,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:36,031 INFO L93 Difference]: Finished difference Result 339 states and 339 transitions. [2018-07-23 13:44:36,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:44:36,031 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 334 [2018-07-23 13:44:36,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:36,031 INFO L225 Difference]: With dead ends: 339 [2018-07-23 13:44:36,031 INFO L226 Difference]: Without dead ends: 337 [2018-07-23 13:44:36,033 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:44:36,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-07-23 13:44:36,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-07-23 13:44:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-07-23 13:44:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 337 transitions. [2018-07-23 13:44:36,036 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 337 transitions. Word has length 334 [2018-07-23 13:44:36,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:36,036 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 337 transitions. [2018-07-23 13:44:36,037 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:44:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 337 transitions. [2018-07-23 13:44:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-07-23 13:44:36,037 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:36,038 INFO L357 BasicCegarLoop]: trace histogram [167, 166, 1, 1, 1] [2018-07-23 13:44:36,038 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:36,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2038349027, now seen corresponding path program 166 times [2018-07-23 13:44:36,038 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:36,810 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 13:44:36,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:36,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:44:36,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:36,812 INFO L185 omatonBuilderFactory]: Interpolants [129077#false, 129076#true, 129079#(<= ULTIMATE.start_main_~i~4 1), 129078#(<= ULTIMATE.start_main_~i~4 0), 129081#(<= ULTIMATE.start_main_~i~4 3), 129080#(<= ULTIMATE.start_main_~i~4 2), 129083#(<= ULTIMATE.start_main_~i~4 5), 129082#(<= ULTIMATE.start_main_~i~4 4), 129085#(<= ULTIMATE.start_main_~i~4 7), 129084#(<= ULTIMATE.start_main_~i~4 6), 129087#(<= ULTIMATE.start_main_~i~4 9), 129086#(<= ULTIMATE.start_main_~i~4 8), 129089#(<= ULTIMATE.start_main_~i~4 11), 129088#(<= ULTIMATE.start_main_~i~4 10), 129091#(<= ULTIMATE.start_main_~i~4 13), 129090#(<= ULTIMATE.start_main_~i~4 12), 129093#(<= ULTIMATE.start_main_~i~4 15), 129092#(<= ULTIMATE.start_main_~i~4 14), 129095#(<= ULTIMATE.start_main_~i~4 17), 129094#(<= ULTIMATE.start_main_~i~4 16), 129097#(<= ULTIMATE.start_main_~i~4 19), 129096#(<= ULTIMATE.start_main_~i~4 18), 129099#(<= ULTIMATE.start_main_~i~4 21), 129098#(<= ULTIMATE.start_main_~i~4 20), 129101#(<= ULTIMATE.start_main_~i~4 23), 129100#(<= ULTIMATE.start_main_~i~4 22), 129103#(<= ULTIMATE.start_main_~i~4 25), 129102#(<= ULTIMATE.start_main_~i~4 24), 129105#(<= ULTIMATE.start_main_~i~4 27), 129104#(<= ULTIMATE.start_main_~i~4 26), 129107#(<= ULTIMATE.start_main_~i~4 29), 129106#(<= ULTIMATE.start_main_~i~4 28), 129109#(<= ULTIMATE.start_main_~i~4 31), 129108#(<= ULTIMATE.start_main_~i~4 30), 129111#(<= ULTIMATE.start_main_~i~4 33), 129110#(<= ULTIMATE.start_main_~i~4 32), 129113#(<= ULTIMATE.start_main_~i~4 35), 129112#(<= ULTIMATE.start_main_~i~4 34), 129115#(<= ULTIMATE.start_main_~i~4 37), 129114#(<= ULTIMATE.start_main_~i~4 36), 129117#(<= ULTIMATE.start_main_~i~4 39), 129116#(<= ULTIMATE.start_main_~i~4 38), 129119#(<= ULTIMATE.start_main_~i~4 41), 129118#(<= ULTIMATE.start_main_~i~4 40), 129121#(<= ULTIMATE.start_main_~i~4 43), 129120#(<= ULTIMATE.start_main_~i~4 42), 129123#(<= ULTIMATE.start_main_~i~4 45), 129122#(<= ULTIMATE.start_main_~i~4 44), 129125#(<= ULTIMATE.start_main_~i~4 47), 129124#(<= ULTIMATE.start_main_~i~4 46), 129127#(<= ULTIMATE.start_main_~i~4 49), 129126#(<= ULTIMATE.start_main_~i~4 48), 129129#(<= ULTIMATE.start_main_~i~4 51), 129128#(<= ULTIMATE.start_main_~i~4 50), 129131#(<= ULTIMATE.start_main_~i~4 53), 129130#(<= ULTIMATE.start_main_~i~4 52), 129133#(<= ULTIMATE.start_main_~i~4 55), 129132#(<= ULTIMATE.start_main_~i~4 54), 129135#(<= ULTIMATE.start_main_~i~4 57), 129134#(<= ULTIMATE.start_main_~i~4 56), 129137#(<= ULTIMATE.start_main_~i~4 59), 129136#(<= ULTIMATE.start_main_~i~4 58), 129139#(<= ULTIMATE.start_main_~i~4 61), 129138#(<= ULTIMATE.start_main_~i~4 60), 129141#(<= ULTIMATE.start_main_~i~4 63), 129140#(<= ULTIMATE.start_main_~i~4 62), 129143#(<= ULTIMATE.start_main_~i~4 65), 129142#(<= ULTIMATE.start_main_~i~4 64), 129145#(<= ULTIMATE.start_main_~i~4 67), 129144#(<= ULTIMATE.start_main_~i~4 66), 129147#(<= ULTIMATE.start_main_~i~4 69), 129146#(<= ULTIMATE.start_main_~i~4 68), 129149#(<= ULTIMATE.start_main_~i~4 71), 129148#(<= ULTIMATE.start_main_~i~4 70), 129151#(<= ULTIMATE.start_main_~i~4 73), 129150#(<= ULTIMATE.start_main_~i~4 72), 129153#(<= ULTIMATE.start_main_~i~4 75), 129152#(<= ULTIMATE.start_main_~i~4 74), 129155#(<= ULTIMATE.start_main_~i~4 77), 129154#(<= ULTIMATE.start_main_~i~4 76), 129157#(<= ULTIMATE.start_main_~i~4 79), 129156#(<= ULTIMATE.start_main_~i~4 78), 129159#(<= ULTIMATE.start_main_~i~4 81), 129158#(<= ULTIMATE.start_main_~i~4 80), 129161#(<= ULTIMATE.start_main_~i~4 83), 129160#(<= ULTIMATE.start_main_~i~4 82), 129163#(<= ULTIMATE.start_main_~i~4 85), 129162#(<= ULTIMATE.start_main_~i~4 84), 129165#(<= ULTIMATE.start_main_~i~4 87), 129164#(<= ULTIMATE.start_main_~i~4 86), 129167#(<= ULTIMATE.start_main_~i~4 89), 129166#(<= ULTIMATE.start_main_~i~4 88), 129169#(<= ULTIMATE.start_main_~i~4 91), 129168#(<= ULTIMATE.start_main_~i~4 90), 129171#(<= ULTIMATE.start_main_~i~4 93), 129170#(<= ULTIMATE.start_main_~i~4 92), 129173#(<= ULTIMATE.start_main_~i~4 95), 129172#(<= ULTIMATE.start_main_~i~4 94), 129175#(<= ULTIMATE.start_main_~i~4 97), 129174#(<= ULTIMATE.start_main_~i~4 96), 129177#(<= ULTIMATE.start_main_~i~4 99), 129176#(<= ULTIMATE.start_main_~i~4 98), 129179#(<= ULTIMATE.start_main_~i~4 101), 129178#(<= ULTIMATE.start_main_~i~4 100), 129181#(<= ULTIMATE.start_main_~i~4 103), 129180#(<= ULTIMATE.start_main_~i~4 102), 129183#(<= ULTIMATE.start_main_~i~4 105), 129182#(<= ULTIMATE.start_main_~i~4 104), 129185#(<= ULTIMATE.start_main_~i~4 107), 129184#(<= ULTIMATE.start_main_~i~4 106), 129187#(<= ULTIMATE.start_main_~i~4 109), 129186#(<= ULTIMATE.start_main_~i~4 108), 129189#(<= ULTIMATE.start_main_~i~4 111), 129188#(<= ULTIMATE.start_main_~i~4 110), 129191#(<= ULTIMATE.start_main_~i~4 113), 129190#(<= ULTIMATE.start_main_~i~4 112), 129193#(<= ULTIMATE.start_main_~i~4 115), 129192#(<= ULTIMATE.start_main_~i~4 114), 129195#(<= ULTIMATE.start_main_~i~4 117), 129194#(<= ULTIMATE.start_main_~i~4 116), 129197#(<= ULTIMATE.start_main_~i~4 119), 129196#(<= ULTIMATE.start_main_~i~4 118), 129199#(<= ULTIMATE.start_main_~i~4 121), 129198#(<= ULTIMATE.start_main_~i~4 120), 129201#(<= ULTIMATE.start_main_~i~4 123), 129200#(<= ULTIMATE.start_main_~i~4 122), 129203#(<= ULTIMATE.start_main_~i~4 125), 129202#(<= ULTIMATE.start_main_~i~4 124), 129205#(<= ULTIMATE.start_main_~i~4 127), 129204#(<= ULTIMATE.start_main_~i~4 126), 129207#(<= ULTIMATE.start_main_~i~4 129), 129206#(<= ULTIMATE.start_main_~i~4 128), 129209#(<= ULTIMATE.start_main_~i~4 131), 129208#(<= ULTIMATE.start_main_~i~4 130), 129211#(<= ULTIMATE.start_main_~i~4 133), 129210#(<= ULTIMATE.start_main_~i~4 132), 129213#(<= ULTIMATE.start_main_~i~4 135), 129212#(<= ULTIMATE.start_main_~i~4 134), 129215#(<= ULTIMATE.start_main_~i~4 137), 129214#(<= ULTIMATE.start_main_~i~4 136), 129217#(<= ULTIMATE.start_main_~i~4 139), 129216#(<= ULTIMATE.start_main_~i~4 138), 129219#(<= ULTIMATE.start_main_~i~4 141), 129218#(<= ULTIMATE.start_main_~i~4 140), 129221#(<= ULTIMATE.start_main_~i~4 143), 129220#(<= ULTIMATE.start_main_~i~4 142), 129223#(<= ULTIMATE.start_main_~i~4 145), 129222#(<= ULTIMATE.start_main_~i~4 144), 129225#(<= ULTIMATE.start_main_~i~4 147), 129224#(<= ULTIMATE.start_main_~i~4 146), 129227#(<= ULTIMATE.start_main_~i~4 149), 129226#(<= ULTIMATE.start_main_~i~4 148), 129229#(<= ULTIMATE.start_main_~i~4 151), 129228#(<= ULTIMATE.start_main_~i~4 150), 129231#(<= ULTIMATE.start_main_~i~4 153), 129230#(<= ULTIMATE.start_main_~i~4 152), 129233#(<= ULTIMATE.start_main_~i~4 155), 129232#(<= ULTIMATE.start_main_~i~4 154), 129235#(<= ULTIMATE.start_main_~i~4 157), 129234#(<= ULTIMATE.start_main_~i~4 156), 129237#(<= ULTIMATE.start_main_~i~4 159), 129236#(<= ULTIMATE.start_main_~i~4 158), 129239#(<= ULTIMATE.start_main_~i~4 161), 129238#(<= ULTIMATE.start_main_~i~4 160), 129241#(<= ULTIMATE.start_main_~i~4 163), 129240#(<= ULTIMATE.start_main_~i~4 162), 129243#(<= ULTIMATE.start_main_~i~4 165), 129242#(<= ULTIMATE.start_main_~i~4 164), 129244#(<= ULTIMATE.start_main_~i~4 166)] [2018-07-23 13:44:36,813 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 13:44:36,813 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:44:36,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:44:36,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:44:36,818 INFO L87 Difference]: Start difference. First operand 337 states and 337 transitions. Second operand 169 states. [2018-07-23 13:44:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:38,040 INFO L93 Difference]: Finished difference Result 341 states and 341 transitions. [2018-07-23 13:44:38,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:44:38,040 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 336 [2018-07-23 13:44:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:38,041 INFO L225 Difference]: With dead ends: 341 [2018-07-23 13:44:38,041 INFO L226 Difference]: Without dead ends: 339 [2018-07-23 13:44:38,043 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 13:44:38,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-07-23 13:44:38,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2018-07-23 13:44:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-07-23 13:44:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 339 transitions. [2018-07-23 13:44:38,047 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 339 transitions. Word has length 336 [2018-07-23 13:44:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:38,047 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 339 transitions. [2018-07-23 13:44:38,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:44:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 339 transitions. [2018-07-23 13:44:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-07-23 13:44:38,048 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:38,048 INFO L357 BasicCegarLoop]: trace histogram [168, 167, 1, 1, 1] [2018-07-23 13:44:38,048 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:38,048 INFO L82 PathProgramCache]: Analyzing trace with hash 348380061, now seen corresponding path program 167 times [2018-07-23 13:44:38,048 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:38,845 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 13:44:38,845 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:38,846 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:44:38,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:38,846 INFO L185 omatonBuilderFactory]: Interpolants [130605#true, 130607#(<= ULTIMATE.start_main_~i~4 0), 130606#false, 130609#(<= ULTIMATE.start_main_~i~4 2), 130608#(<= ULTIMATE.start_main_~i~4 1), 130611#(<= ULTIMATE.start_main_~i~4 4), 130610#(<= ULTIMATE.start_main_~i~4 3), 130613#(<= ULTIMATE.start_main_~i~4 6), 130612#(<= ULTIMATE.start_main_~i~4 5), 130615#(<= ULTIMATE.start_main_~i~4 8), 130614#(<= ULTIMATE.start_main_~i~4 7), 130617#(<= ULTIMATE.start_main_~i~4 10), 130616#(<= ULTIMATE.start_main_~i~4 9), 130619#(<= ULTIMATE.start_main_~i~4 12), 130618#(<= ULTIMATE.start_main_~i~4 11), 130621#(<= ULTIMATE.start_main_~i~4 14), 130620#(<= ULTIMATE.start_main_~i~4 13), 130623#(<= ULTIMATE.start_main_~i~4 16), 130622#(<= ULTIMATE.start_main_~i~4 15), 130625#(<= ULTIMATE.start_main_~i~4 18), 130624#(<= ULTIMATE.start_main_~i~4 17), 130627#(<= ULTIMATE.start_main_~i~4 20), 130626#(<= ULTIMATE.start_main_~i~4 19), 130629#(<= ULTIMATE.start_main_~i~4 22), 130628#(<= ULTIMATE.start_main_~i~4 21), 130631#(<= ULTIMATE.start_main_~i~4 24), 130630#(<= ULTIMATE.start_main_~i~4 23), 130633#(<= ULTIMATE.start_main_~i~4 26), 130632#(<= ULTIMATE.start_main_~i~4 25), 130635#(<= ULTIMATE.start_main_~i~4 28), 130634#(<= ULTIMATE.start_main_~i~4 27), 130637#(<= ULTIMATE.start_main_~i~4 30), 130636#(<= ULTIMATE.start_main_~i~4 29), 130639#(<= ULTIMATE.start_main_~i~4 32), 130638#(<= ULTIMATE.start_main_~i~4 31), 130641#(<= ULTIMATE.start_main_~i~4 34), 130640#(<= ULTIMATE.start_main_~i~4 33), 130643#(<= ULTIMATE.start_main_~i~4 36), 130642#(<= ULTIMATE.start_main_~i~4 35), 130645#(<= ULTIMATE.start_main_~i~4 38), 130644#(<= ULTIMATE.start_main_~i~4 37), 130647#(<= ULTIMATE.start_main_~i~4 40), 130646#(<= ULTIMATE.start_main_~i~4 39), 130649#(<= ULTIMATE.start_main_~i~4 42), 130648#(<= ULTIMATE.start_main_~i~4 41), 130651#(<= ULTIMATE.start_main_~i~4 44), 130650#(<= ULTIMATE.start_main_~i~4 43), 130653#(<= ULTIMATE.start_main_~i~4 46), 130652#(<= ULTIMATE.start_main_~i~4 45), 130655#(<= ULTIMATE.start_main_~i~4 48), 130654#(<= ULTIMATE.start_main_~i~4 47), 130657#(<= ULTIMATE.start_main_~i~4 50), 130656#(<= ULTIMATE.start_main_~i~4 49), 130659#(<= ULTIMATE.start_main_~i~4 52), 130658#(<= ULTIMATE.start_main_~i~4 51), 130661#(<= ULTIMATE.start_main_~i~4 54), 130660#(<= ULTIMATE.start_main_~i~4 53), 130663#(<= ULTIMATE.start_main_~i~4 56), 130662#(<= ULTIMATE.start_main_~i~4 55), 130665#(<= ULTIMATE.start_main_~i~4 58), 130664#(<= ULTIMATE.start_main_~i~4 57), 130667#(<= ULTIMATE.start_main_~i~4 60), 130666#(<= ULTIMATE.start_main_~i~4 59), 130669#(<= ULTIMATE.start_main_~i~4 62), 130668#(<= ULTIMATE.start_main_~i~4 61), 130671#(<= ULTIMATE.start_main_~i~4 64), 130670#(<= ULTIMATE.start_main_~i~4 63), 130673#(<= ULTIMATE.start_main_~i~4 66), 130672#(<= ULTIMATE.start_main_~i~4 65), 130675#(<= ULTIMATE.start_main_~i~4 68), 130674#(<= ULTIMATE.start_main_~i~4 67), 130677#(<= ULTIMATE.start_main_~i~4 70), 130676#(<= ULTIMATE.start_main_~i~4 69), 130679#(<= ULTIMATE.start_main_~i~4 72), 130678#(<= ULTIMATE.start_main_~i~4 71), 130681#(<= ULTIMATE.start_main_~i~4 74), 130680#(<= ULTIMATE.start_main_~i~4 73), 130683#(<= ULTIMATE.start_main_~i~4 76), 130682#(<= ULTIMATE.start_main_~i~4 75), 130685#(<= ULTIMATE.start_main_~i~4 78), 130684#(<= ULTIMATE.start_main_~i~4 77), 130687#(<= ULTIMATE.start_main_~i~4 80), 130686#(<= ULTIMATE.start_main_~i~4 79), 130689#(<= ULTIMATE.start_main_~i~4 82), 130688#(<= ULTIMATE.start_main_~i~4 81), 130691#(<= ULTIMATE.start_main_~i~4 84), 130690#(<= ULTIMATE.start_main_~i~4 83), 130693#(<= ULTIMATE.start_main_~i~4 86), 130692#(<= ULTIMATE.start_main_~i~4 85), 130695#(<= ULTIMATE.start_main_~i~4 88), 130694#(<= ULTIMATE.start_main_~i~4 87), 130697#(<= ULTIMATE.start_main_~i~4 90), 130696#(<= ULTIMATE.start_main_~i~4 89), 130699#(<= ULTIMATE.start_main_~i~4 92), 130698#(<= ULTIMATE.start_main_~i~4 91), 130701#(<= ULTIMATE.start_main_~i~4 94), 130700#(<= ULTIMATE.start_main_~i~4 93), 130703#(<= ULTIMATE.start_main_~i~4 96), 130702#(<= ULTIMATE.start_main_~i~4 95), 130705#(<= ULTIMATE.start_main_~i~4 98), 130704#(<= ULTIMATE.start_main_~i~4 97), 130707#(<= ULTIMATE.start_main_~i~4 100), 130706#(<= ULTIMATE.start_main_~i~4 99), 130709#(<= ULTIMATE.start_main_~i~4 102), 130708#(<= ULTIMATE.start_main_~i~4 101), 130711#(<= ULTIMATE.start_main_~i~4 104), 130710#(<= ULTIMATE.start_main_~i~4 103), 130713#(<= ULTIMATE.start_main_~i~4 106), 130712#(<= ULTIMATE.start_main_~i~4 105), 130715#(<= ULTIMATE.start_main_~i~4 108), 130714#(<= ULTIMATE.start_main_~i~4 107), 130717#(<= ULTIMATE.start_main_~i~4 110), 130716#(<= ULTIMATE.start_main_~i~4 109), 130719#(<= ULTIMATE.start_main_~i~4 112), 130718#(<= ULTIMATE.start_main_~i~4 111), 130721#(<= ULTIMATE.start_main_~i~4 114), 130720#(<= ULTIMATE.start_main_~i~4 113), 130723#(<= ULTIMATE.start_main_~i~4 116), 130722#(<= ULTIMATE.start_main_~i~4 115), 130725#(<= ULTIMATE.start_main_~i~4 118), 130724#(<= ULTIMATE.start_main_~i~4 117), 130727#(<= ULTIMATE.start_main_~i~4 120), 130726#(<= ULTIMATE.start_main_~i~4 119), 130729#(<= ULTIMATE.start_main_~i~4 122), 130728#(<= ULTIMATE.start_main_~i~4 121), 130731#(<= ULTIMATE.start_main_~i~4 124), 130730#(<= ULTIMATE.start_main_~i~4 123), 130733#(<= ULTIMATE.start_main_~i~4 126), 130732#(<= ULTIMATE.start_main_~i~4 125), 130735#(<= ULTIMATE.start_main_~i~4 128), 130734#(<= ULTIMATE.start_main_~i~4 127), 130737#(<= ULTIMATE.start_main_~i~4 130), 130736#(<= ULTIMATE.start_main_~i~4 129), 130739#(<= ULTIMATE.start_main_~i~4 132), 130738#(<= ULTIMATE.start_main_~i~4 131), 130741#(<= ULTIMATE.start_main_~i~4 134), 130740#(<= ULTIMATE.start_main_~i~4 133), 130743#(<= ULTIMATE.start_main_~i~4 136), 130742#(<= ULTIMATE.start_main_~i~4 135), 130745#(<= ULTIMATE.start_main_~i~4 138), 130744#(<= ULTIMATE.start_main_~i~4 137), 130747#(<= ULTIMATE.start_main_~i~4 140), 130746#(<= ULTIMATE.start_main_~i~4 139), 130749#(<= ULTIMATE.start_main_~i~4 142), 130748#(<= ULTIMATE.start_main_~i~4 141), 130751#(<= ULTIMATE.start_main_~i~4 144), 130750#(<= ULTIMATE.start_main_~i~4 143), 130753#(<= ULTIMATE.start_main_~i~4 146), 130752#(<= ULTIMATE.start_main_~i~4 145), 130755#(<= ULTIMATE.start_main_~i~4 148), 130754#(<= ULTIMATE.start_main_~i~4 147), 130757#(<= ULTIMATE.start_main_~i~4 150), 130756#(<= ULTIMATE.start_main_~i~4 149), 130759#(<= ULTIMATE.start_main_~i~4 152), 130758#(<= ULTIMATE.start_main_~i~4 151), 130761#(<= ULTIMATE.start_main_~i~4 154), 130760#(<= ULTIMATE.start_main_~i~4 153), 130763#(<= ULTIMATE.start_main_~i~4 156), 130762#(<= ULTIMATE.start_main_~i~4 155), 130765#(<= ULTIMATE.start_main_~i~4 158), 130764#(<= ULTIMATE.start_main_~i~4 157), 130767#(<= ULTIMATE.start_main_~i~4 160), 130766#(<= ULTIMATE.start_main_~i~4 159), 130769#(<= ULTIMATE.start_main_~i~4 162), 130768#(<= ULTIMATE.start_main_~i~4 161), 130771#(<= ULTIMATE.start_main_~i~4 164), 130770#(<= ULTIMATE.start_main_~i~4 163), 130773#(<= ULTIMATE.start_main_~i~4 166), 130772#(<= ULTIMATE.start_main_~i~4 165), 130774#(<= ULTIMATE.start_main_~i~4 167)] [2018-07-23 13:44:38,848 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 13:44:38,848 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:44:38,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:44:38,852 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:44:38,852 INFO L87 Difference]: Start difference. First operand 339 states and 339 transitions. Second operand 170 states. [2018-07-23 13:44:40,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:40,181 INFO L93 Difference]: Finished difference Result 343 states and 343 transitions. [2018-07-23 13:44:40,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:44:40,182 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 338 [2018-07-23 13:44:40,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:40,182 INFO L225 Difference]: With dead ends: 343 [2018-07-23 13:44:40,182 INFO L226 Difference]: Without dead ends: 341 [2018-07-23 13:44:40,184 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 13:44:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-07-23 13:44:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2018-07-23 13:44:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-07-23 13:44:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 341 transitions. [2018-07-23 13:44:40,188 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 341 transitions. Word has length 338 [2018-07-23 13:44:40,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:40,188 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 341 transitions. [2018-07-23 13:44:40,189 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:44:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 341 transitions. [2018-07-23 13:44:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-23 13:44:40,189 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:40,190 INFO L357 BasicCegarLoop]: trace histogram [169, 168, 1, 1, 1] [2018-07-23 13:44:40,190 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:40,190 INFO L82 PathProgramCache]: Analyzing trace with hash -214158377, now seen corresponding path program 168 times [2018-07-23 13:44:40,190 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:41,054 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 13:44:41,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:41,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:44:41,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:41,055 INFO L185 omatonBuilderFactory]: Interpolants [132143#true, 132146#(<= ULTIMATE.start_main_~i~4 1), 132147#(<= ULTIMATE.start_main_~i~4 2), 132144#false, 132145#(<= ULTIMATE.start_main_~i~4 0), 132150#(<= ULTIMATE.start_main_~i~4 5), 132151#(<= ULTIMATE.start_main_~i~4 6), 132148#(<= ULTIMATE.start_main_~i~4 3), 132149#(<= ULTIMATE.start_main_~i~4 4), 132154#(<= ULTIMATE.start_main_~i~4 9), 132155#(<= ULTIMATE.start_main_~i~4 10), 132152#(<= ULTIMATE.start_main_~i~4 7), 132153#(<= ULTIMATE.start_main_~i~4 8), 132158#(<= ULTIMATE.start_main_~i~4 13), 132159#(<= ULTIMATE.start_main_~i~4 14), 132156#(<= ULTIMATE.start_main_~i~4 11), 132157#(<= ULTIMATE.start_main_~i~4 12), 132162#(<= ULTIMATE.start_main_~i~4 17), 132163#(<= ULTIMATE.start_main_~i~4 18), 132160#(<= ULTIMATE.start_main_~i~4 15), 132161#(<= ULTIMATE.start_main_~i~4 16), 132166#(<= ULTIMATE.start_main_~i~4 21), 132167#(<= ULTIMATE.start_main_~i~4 22), 132164#(<= ULTIMATE.start_main_~i~4 19), 132165#(<= ULTIMATE.start_main_~i~4 20), 132170#(<= ULTIMATE.start_main_~i~4 25), 132171#(<= ULTIMATE.start_main_~i~4 26), 132168#(<= ULTIMATE.start_main_~i~4 23), 132169#(<= ULTIMATE.start_main_~i~4 24), 132174#(<= ULTIMATE.start_main_~i~4 29), 132175#(<= ULTIMATE.start_main_~i~4 30), 132172#(<= ULTIMATE.start_main_~i~4 27), 132173#(<= ULTIMATE.start_main_~i~4 28), 132178#(<= ULTIMATE.start_main_~i~4 33), 132179#(<= ULTIMATE.start_main_~i~4 34), 132176#(<= ULTIMATE.start_main_~i~4 31), 132177#(<= ULTIMATE.start_main_~i~4 32), 132182#(<= ULTIMATE.start_main_~i~4 37), 132183#(<= ULTIMATE.start_main_~i~4 38), 132180#(<= ULTIMATE.start_main_~i~4 35), 132181#(<= ULTIMATE.start_main_~i~4 36), 132186#(<= ULTIMATE.start_main_~i~4 41), 132187#(<= ULTIMATE.start_main_~i~4 42), 132184#(<= ULTIMATE.start_main_~i~4 39), 132185#(<= ULTIMATE.start_main_~i~4 40), 132190#(<= ULTIMATE.start_main_~i~4 45), 132191#(<= ULTIMATE.start_main_~i~4 46), 132188#(<= ULTIMATE.start_main_~i~4 43), 132189#(<= ULTIMATE.start_main_~i~4 44), 132194#(<= ULTIMATE.start_main_~i~4 49), 132195#(<= ULTIMATE.start_main_~i~4 50), 132192#(<= ULTIMATE.start_main_~i~4 47), 132193#(<= ULTIMATE.start_main_~i~4 48), 132198#(<= ULTIMATE.start_main_~i~4 53), 132199#(<= ULTIMATE.start_main_~i~4 54), 132196#(<= ULTIMATE.start_main_~i~4 51), 132197#(<= ULTIMATE.start_main_~i~4 52), 132202#(<= ULTIMATE.start_main_~i~4 57), 132203#(<= ULTIMATE.start_main_~i~4 58), 132200#(<= ULTIMATE.start_main_~i~4 55), 132201#(<= ULTIMATE.start_main_~i~4 56), 132206#(<= ULTIMATE.start_main_~i~4 61), 132207#(<= ULTIMATE.start_main_~i~4 62), 132204#(<= ULTIMATE.start_main_~i~4 59), 132205#(<= ULTIMATE.start_main_~i~4 60), 132210#(<= ULTIMATE.start_main_~i~4 65), 132211#(<= ULTIMATE.start_main_~i~4 66), 132208#(<= ULTIMATE.start_main_~i~4 63), 132209#(<= ULTIMATE.start_main_~i~4 64), 132214#(<= ULTIMATE.start_main_~i~4 69), 132215#(<= ULTIMATE.start_main_~i~4 70), 132212#(<= ULTIMATE.start_main_~i~4 67), 132213#(<= ULTIMATE.start_main_~i~4 68), 132218#(<= ULTIMATE.start_main_~i~4 73), 132219#(<= ULTIMATE.start_main_~i~4 74), 132216#(<= ULTIMATE.start_main_~i~4 71), 132217#(<= ULTIMATE.start_main_~i~4 72), 132222#(<= ULTIMATE.start_main_~i~4 77), 132223#(<= ULTIMATE.start_main_~i~4 78), 132220#(<= ULTIMATE.start_main_~i~4 75), 132221#(<= ULTIMATE.start_main_~i~4 76), 132226#(<= ULTIMATE.start_main_~i~4 81), 132227#(<= ULTIMATE.start_main_~i~4 82), 132224#(<= ULTIMATE.start_main_~i~4 79), 132225#(<= ULTIMATE.start_main_~i~4 80), 132230#(<= ULTIMATE.start_main_~i~4 85), 132231#(<= ULTIMATE.start_main_~i~4 86), 132228#(<= ULTIMATE.start_main_~i~4 83), 132229#(<= ULTIMATE.start_main_~i~4 84), 132234#(<= ULTIMATE.start_main_~i~4 89), 132235#(<= ULTIMATE.start_main_~i~4 90), 132232#(<= ULTIMATE.start_main_~i~4 87), 132233#(<= ULTIMATE.start_main_~i~4 88), 132238#(<= ULTIMATE.start_main_~i~4 93), 132239#(<= ULTIMATE.start_main_~i~4 94), 132236#(<= ULTIMATE.start_main_~i~4 91), 132237#(<= ULTIMATE.start_main_~i~4 92), 132242#(<= ULTIMATE.start_main_~i~4 97), 132243#(<= ULTIMATE.start_main_~i~4 98), 132240#(<= ULTIMATE.start_main_~i~4 95), 132241#(<= ULTIMATE.start_main_~i~4 96), 132246#(<= ULTIMATE.start_main_~i~4 101), 132247#(<= ULTIMATE.start_main_~i~4 102), 132244#(<= ULTIMATE.start_main_~i~4 99), 132245#(<= ULTIMATE.start_main_~i~4 100), 132250#(<= ULTIMATE.start_main_~i~4 105), 132251#(<= ULTIMATE.start_main_~i~4 106), 132248#(<= ULTIMATE.start_main_~i~4 103), 132249#(<= ULTIMATE.start_main_~i~4 104), 132254#(<= ULTIMATE.start_main_~i~4 109), 132255#(<= ULTIMATE.start_main_~i~4 110), 132252#(<= ULTIMATE.start_main_~i~4 107), 132253#(<= ULTIMATE.start_main_~i~4 108), 132258#(<= ULTIMATE.start_main_~i~4 113), 132259#(<= ULTIMATE.start_main_~i~4 114), 132256#(<= ULTIMATE.start_main_~i~4 111), 132257#(<= ULTIMATE.start_main_~i~4 112), 132262#(<= ULTIMATE.start_main_~i~4 117), 132263#(<= ULTIMATE.start_main_~i~4 118), 132260#(<= ULTIMATE.start_main_~i~4 115), 132261#(<= ULTIMATE.start_main_~i~4 116), 132266#(<= ULTIMATE.start_main_~i~4 121), 132267#(<= ULTIMATE.start_main_~i~4 122), 132264#(<= ULTIMATE.start_main_~i~4 119), 132265#(<= ULTIMATE.start_main_~i~4 120), 132270#(<= ULTIMATE.start_main_~i~4 125), 132271#(<= ULTIMATE.start_main_~i~4 126), 132268#(<= ULTIMATE.start_main_~i~4 123), 132269#(<= ULTIMATE.start_main_~i~4 124), 132274#(<= ULTIMATE.start_main_~i~4 129), 132275#(<= ULTIMATE.start_main_~i~4 130), 132272#(<= ULTIMATE.start_main_~i~4 127), 132273#(<= ULTIMATE.start_main_~i~4 128), 132278#(<= ULTIMATE.start_main_~i~4 133), 132279#(<= ULTIMATE.start_main_~i~4 134), 132276#(<= ULTIMATE.start_main_~i~4 131), 132277#(<= ULTIMATE.start_main_~i~4 132), 132282#(<= ULTIMATE.start_main_~i~4 137), 132283#(<= ULTIMATE.start_main_~i~4 138), 132280#(<= ULTIMATE.start_main_~i~4 135), 132281#(<= ULTIMATE.start_main_~i~4 136), 132286#(<= ULTIMATE.start_main_~i~4 141), 132287#(<= ULTIMATE.start_main_~i~4 142), 132284#(<= ULTIMATE.start_main_~i~4 139), 132285#(<= ULTIMATE.start_main_~i~4 140), 132290#(<= ULTIMATE.start_main_~i~4 145), 132291#(<= ULTIMATE.start_main_~i~4 146), 132288#(<= ULTIMATE.start_main_~i~4 143), 132289#(<= ULTIMATE.start_main_~i~4 144), 132294#(<= ULTIMATE.start_main_~i~4 149), 132295#(<= ULTIMATE.start_main_~i~4 150), 132292#(<= ULTIMATE.start_main_~i~4 147), 132293#(<= ULTIMATE.start_main_~i~4 148), 132298#(<= ULTIMATE.start_main_~i~4 153), 132299#(<= ULTIMATE.start_main_~i~4 154), 132296#(<= ULTIMATE.start_main_~i~4 151), 132297#(<= ULTIMATE.start_main_~i~4 152), 132302#(<= ULTIMATE.start_main_~i~4 157), 132303#(<= ULTIMATE.start_main_~i~4 158), 132300#(<= ULTIMATE.start_main_~i~4 155), 132301#(<= ULTIMATE.start_main_~i~4 156), 132306#(<= ULTIMATE.start_main_~i~4 161), 132307#(<= ULTIMATE.start_main_~i~4 162), 132304#(<= ULTIMATE.start_main_~i~4 159), 132305#(<= ULTIMATE.start_main_~i~4 160), 132310#(<= ULTIMATE.start_main_~i~4 165), 132311#(<= ULTIMATE.start_main_~i~4 166), 132308#(<= ULTIMATE.start_main_~i~4 163), 132309#(<= ULTIMATE.start_main_~i~4 164), 132312#(<= ULTIMATE.start_main_~i~4 167), 132313#(<= ULTIMATE.start_main_~i~4 168)] [2018-07-23 13:44:41,056 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 13:44:41,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:44:41,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:44:41,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:44:41,060 INFO L87 Difference]: Start difference. First operand 341 states and 341 transitions. Second operand 171 states. [2018-07-23 13:44:42,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:42,397 INFO L93 Difference]: Finished difference Result 345 states and 345 transitions. [2018-07-23 13:44:42,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:44:42,397 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 340 [2018-07-23 13:44:42,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:42,398 INFO L225 Difference]: With dead ends: 345 [2018-07-23 13:44:42,398 INFO L226 Difference]: Without dead ends: 343 [2018-07-23 13:44:42,400 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:44:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-07-23 13:44:42,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2018-07-23 13:44:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-07-23 13:44:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 343 transitions. [2018-07-23 13:44:42,404 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 343 transitions. Word has length 340 [2018-07-23 13:44:42,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:42,404 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 343 transitions. [2018-07-23 13:44:42,405 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:44:42,405 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 343 transitions. [2018-07-23 13:44:42,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-07-23 13:44:42,406 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:42,406 INFO L357 BasicCegarLoop]: trace histogram [170, 169, 1, 1, 1] [2018-07-23 13:44:42,406 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:42,406 INFO L82 PathProgramCache]: Analyzing trace with hash 352282001, now seen corresponding path program 169 times [2018-07-23 13:44:42,406 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:43,170 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 13:44:43,170 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:43,170 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:44:43,171 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:43,171 INFO L185 omatonBuilderFactory]: Interpolants [133690#true, 133691#false, 133694#(<= ULTIMATE.start_main_~i~4 2), 133695#(<= ULTIMATE.start_main_~i~4 3), 133692#(<= ULTIMATE.start_main_~i~4 0), 133693#(<= ULTIMATE.start_main_~i~4 1), 133698#(<= ULTIMATE.start_main_~i~4 6), 133699#(<= ULTIMATE.start_main_~i~4 7), 133696#(<= ULTIMATE.start_main_~i~4 4), 133697#(<= ULTIMATE.start_main_~i~4 5), 133702#(<= ULTIMATE.start_main_~i~4 10), 133703#(<= ULTIMATE.start_main_~i~4 11), 133700#(<= ULTIMATE.start_main_~i~4 8), 133701#(<= ULTIMATE.start_main_~i~4 9), 133706#(<= ULTIMATE.start_main_~i~4 14), 133707#(<= ULTIMATE.start_main_~i~4 15), 133704#(<= ULTIMATE.start_main_~i~4 12), 133705#(<= ULTIMATE.start_main_~i~4 13), 133710#(<= ULTIMATE.start_main_~i~4 18), 133711#(<= ULTIMATE.start_main_~i~4 19), 133708#(<= ULTIMATE.start_main_~i~4 16), 133709#(<= ULTIMATE.start_main_~i~4 17), 133714#(<= ULTIMATE.start_main_~i~4 22), 133715#(<= ULTIMATE.start_main_~i~4 23), 133712#(<= ULTIMATE.start_main_~i~4 20), 133713#(<= ULTIMATE.start_main_~i~4 21), 133718#(<= ULTIMATE.start_main_~i~4 26), 133719#(<= ULTIMATE.start_main_~i~4 27), 133716#(<= ULTIMATE.start_main_~i~4 24), 133717#(<= ULTIMATE.start_main_~i~4 25), 133722#(<= ULTIMATE.start_main_~i~4 30), 133723#(<= ULTIMATE.start_main_~i~4 31), 133720#(<= ULTIMATE.start_main_~i~4 28), 133721#(<= ULTIMATE.start_main_~i~4 29), 133726#(<= ULTIMATE.start_main_~i~4 34), 133727#(<= ULTIMATE.start_main_~i~4 35), 133724#(<= ULTIMATE.start_main_~i~4 32), 133725#(<= ULTIMATE.start_main_~i~4 33), 133730#(<= ULTIMATE.start_main_~i~4 38), 133731#(<= ULTIMATE.start_main_~i~4 39), 133728#(<= ULTIMATE.start_main_~i~4 36), 133729#(<= ULTIMATE.start_main_~i~4 37), 133734#(<= ULTIMATE.start_main_~i~4 42), 133735#(<= ULTIMATE.start_main_~i~4 43), 133732#(<= ULTIMATE.start_main_~i~4 40), 133733#(<= ULTIMATE.start_main_~i~4 41), 133738#(<= ULTIMATE.start_main_~i~4 46), 133739#(<= ULTIMATE.start_main_~i~4 47), 133736#(<= ULTIMATE.start_main_~i~4 44), 133737#(<= ULTIMATE.start_main_~i~4 45), 133742#(<= ULTIMATE.start_main_~i~4 50), 133743#(<= ULTIMATE.start_main_~i~4 51), 133740#(<= ULTIMATE.start_main_~i~4 48), 133741#(<= ULTIMATE.start_main_~i~4 49), 133746#(<= ULTIMATE.start_main_~i~4 54), 133747#(<= ULTIMATE.start_main_~i~4 55), 133744#(<= ULTIMATE.start_main_~i~4 52), 133745#(<= ULTIMATE.start_main_~i~4 53), 133750#(<= ULTIMATE.start_main_~i~4 58), 133751#(<= ULTIMATE.start_main_~i~4 59), 133748#(<= ULTIMATE.start_main_~i~4 56), 133749#(<= ULTIMATE.start_main_~i~4 57), 133754#(<= ULTIMATE.start_main_~i~4 62), 133755#(<= ULTIMATE.start_main_~i~4 63), 133752#(<= ULTIMATE.start_main_~i~4 60), 133753#(<= ULTIMATE.start_main_~i~4 61), 133758#(<= ULTIMATE.start_main_~i~4 66), 133759#(<= ULTIMATE.start_main_~i~4 67), 133756#(<= ULTIMATE.start_main_~i~4 64), 133757#(<= ULTIMATE.start_main_~i~4 65), 133762#(<= ULTIMATE.start_main_~i~4 70), 133763#(<= ULTIMATE.start_main_~i~4 71), 133760#(<= ULTIMATE.start_main_~i~4 68), 133761#(<= ULTIMATE.start_main_~i~4 69), 133766#(<= ULTIMATE.start_main_~i~4 74), 133767#(<= ULTIMATE.start_main_~i~4 75), 133764#(<= ULTIMATE.start_main_~i~4 72), 133765#(<= ULTIMATE.start_main_~i~4 73), 133770#(<= ULTIMATE.start_main_~i~4 78), 133771#(<= ULTIMATE.start_main_~i~4 79), 133768#(<= ULTIMATE.start_main_~i~4 76), 133769#(<= ULTIMATE.start_main_~i~4 77), 133774#(<= ULTIMATE.start_main_~i~4 82), 133775#(<= ULTIMATE.start_main_~i~4 83), 133772#(<= ULTIMATE.start_main_~i~4 80), 133773#(<= ULTIMATE.start_main_~i~4 81), 133778#(<= ULTIMATE.start_main_~i~4 86), 133779#(<= ULTIMATE.start_main_~i~4 87), 133776#(<= ULTIMATE.start_main_~i~4 84), 133777#(<= ULTIMATE.start_main_~i~4 85), 133782#(<= ULTIMATE.start_main_~i~4 90), 133783#(<= ULTIMATE.start_main_~i~4 91), 133780#(<= ULTIMATE.start_main_~i~4 88), 133781#(<= ULTIMATE.start_main_~i~4 89), 133786#(<= ULTIMATE.start_main_~i~4 94), 133787#(<= ULTIMATE.start_main_~i~4 95), 133784#(<= ULTIMATE.start_main_~i~4 92), 133785#(<= ULTIMATE.start_main_~i~4 93), 133790#(<= ULTIMATE.start_main_~i~4 98), 133791#(<= ULTIMATE.start_main_~i~4 99), 133788#(<= ULTIMATE.start_main_~i~4 96), 133789#(<= ULTIMATE.start_main_~i~4 97), 133794#(<= ULTIMATE.start_main_~i~4 102), 133795#(<= ULTIMATE.start_main_~i~4 103), 133792#(<= ULTIMATE.start_main_~i~4 100), 133793#(<= ULTIMATE.start_main_~i~4 101), 133798#(<= ULTIMATE.start_main_~i~4 106), 133799#(<= ULTIMATE.start_main_~i~4 107), 133796#(<= ULTIMATE.start_main_~i~4 104), 133797#(<= ULTIMATE.start_main_~i~4 105), 133802#(<= ULTIMATE.start_main_~i~4 110), 133803#(<= ULTIMATE.start_main_~i~4 111), 133800#(<= ULTIMATE.start_main_~i~4 108), 133801#(<= ULTIMATE.start_main_~i~4 109), 133806#(<= ULTIMATE.start_main_~i~4 114), 133807#(<= ULTIMATE.start_main_~i~4 115), 133804#(<= ULTIMATE.start_main_~i~4 112), 133805#(<= ULTIMATE.start_main_~i~4 113), 133810#(<= ULTIMATE.start_main_~i~4 118), 133811#(<= ULTIMATE.start_main_~i~4 119), 133808#(<= ULTIMATE.start_main_~i~4 116), 133809#(<= ULTIMATE.start_main_~i~4 117), 133814#(<= ULTIMATE.start_main_~i~4 122), 133815#(<= ULTIMATE.start_main_~i~4 123), 133812#(<= ULTIMATE.start_main_~i~4 120), 133813#(<= ULTIMATE.start_main_~i~4 121), 133818#(<= ULTIMATE.start_main_~i~4 126), 133819#(<= ULTIMATE.start_main_~i~4 127), 133816#(<= ULTIMATE.start_main_~i~4 124), 133817#(<= ULTIMATE.start_main_~i~4 125), 133822#(<= ULTIMATE.start_main_~i~4 130), 133823#(<= ULTIMATE.start_main_~i~4 131), 133820#(<= ULTIMATE.start_main_~i~4 128), 133821#(<= ULTIMATE.start_main_~i~4 129), 133826#(<= ULTIMATE.start_main_~i~4 134), 133827#(<= ULTIMATE.start_main_~i~4 135), 133824#(<= ULTIMATE.start_main_~i~4 132), 133825#(<= ULTIMATE.start_main_~i~4 133), 133830#(<= ULTIMATE.start_main_~i~4 138), 133831#(<= ULTIMATE.start_main_~i~4 139), 133828#(<= ULTIMATE.start_main_~i~4 136), 133829#(<= ULTIMATE.start_main_~i~4 137), 133834#(<= ULTIMATE.start_main_~i~4 142), 133835#(<= ULTIMATE.start_main_~i~4 143), 133832#(<= ULTIMATE.start_main_~i~4 140), 133833#(<= ULTIMATE.start_main_~i~4 141), 133838#(<= ULTIMATE.start_main_~i~4 146), 133839#(<= ULTIMATE.start_main_~i~4 147), 133836#(<= ULTIMATE.start_main_~i~4 144), 133837#(<= ULTIMATE.start_main_~i~4 145), 133842#(<= ULTIMATE.start_main_~i~4 150), 133843#(<= ULTIMATE.start_main_~i~4 151), 133840#(<= ULTIMATE.start_main_~i~4 148), 133841#(<= ULTIMATE.start_main_~i~4 149), 133846#(<= ULTIMATE.start_main_~i~4 154), 133847#(<= ULTIMATE.start_main_~i~4 155), 133844#(<= ULTIMATE.start_main_~i~4 152), 133845#(<= ULTIMATE.start_main_~i~4 153), 133850#(<= ULTIMATE.start_main_~i~4 158), 133851#(<= ULTIMATE.start_main_~i~4 159), 133848#(<= ULTIMATE.start_main_~i~4 156), 133849#(<= ULTIMATE.start_main_~i~4 157), 133854#(<= ULTIMATE.start_main_~i~4 162), 133855#(<= ULTIMATE.start_main_~i~4 163), 133852#(<= ULTIMATE.start_main_~i~4 160), 133853#(<= ULTIMATE.start_main_~i~4 161), 133858#(<= ULTIMATE.start_main_~i~4 166), 133859#(<= ULTIMATE.start_main_~i~4 167), 133856#(<= ULTIMATE.start_main_~i~4 164), 133857#(<= ULTIMATE.start_main_~i~4 165), 133860#(<= ULTIMATE.start_main_~i~4 168), 133861#(<= ULTIMATE.start_main_~i~4 169)] [2018-07-23 13:44:43,172 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 13:44:43,172 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:44:43,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:44:43,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:44:43,175 INFO L87 Difference]: Start difference. First operand 343 states and 343 transitions. Second operand 172 states. [2018-07-23 13:44:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:44,197 INFO L93 Difference]: Finished difference Result 347 states and 347 transitions. [2018-07-23 13:44:44,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:44:44,197 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 342 [2018-07-23 13:44:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:44,198 INFO L225 Difference]: With dead ends: 347 [2018-07-23 13:44:44,198 INFO L226 Difference]: Without dead ends: 345 [2018-07-23 13:44:44,200 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:44:44,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-07-23 13:44:44,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-07-23 13:44:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-07-23 13:44:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 345 transitions. [2018-07-23 13:44:44,203 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 345 transitions. Word has length 342 [2018-07-23 13:44:44,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:44,203 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 345 transitions. [2018-07-23 13:44:44,204 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:44:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 345 transitions. [2018-07-23 13:44:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-07-23 13:44:44,204 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:44,205 INFO L357 BasicCegarLoop]: trace histogram [171, 170, 1, 1, 1] [2018-07-23 13:44:44,205 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:44,205 INFO L82 PathProgramCache]: Analyzing trace with hash -759361333, now seen corresponding path program 170 times [2018-07-23 13:44:44,205 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:45,034 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 13:44:45,034 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:45,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:44:45,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:45,035 INFO L185 omatonBuilderFactory]: Interpolants [135246#true, 135247#false, 135250#(<= ULTIMATE.start_main_~i~4 2), 135251#(<= ULTIMATE.start_main_~i~4 3), 135248#(<= ULTIMATE.start_main_~i~4 0), 135249#(<= ULTIMATE.start_main_~i~4 1), 135254#(<= ULTIMATE.start_main_~i~4 6), 135255#(<= ULTIMATE.start_main_~i~4 7), 135252#(<= ULTIMATE.start_main_~i~4 4), 135253#(<= ULTIMATE.start_main_~i~4 5), 135258#(<= ULTIMATE.start_main_~i~4 10), 135259#(<= ULTIMATE.start_main_~i~4 11), 135256#(<= ULTIMATE.start_main_~i~4 8), 135257#(<= ULTIMATE.start_main_~i~4 9), 135262#(<= ULTIMATE.start_main_~i~4 14), 135263#(<= ULTIMATE.start_main_~i~4 15), 135260#(<= ULTIMATE.start_main_~i~4 12), 135261#(<= ULTIMATE.start_main_~i~4 13), 135266#(<= ULTIMATE.start_main_~i~4 18), 135267#(<= ULTIMATE.start_main_~i~4 19), 135264#(<= ULTIMATE.start_main_~i~4 16), 135265#(<= ULTIMATE.start_main_~i~4 17), 135270#(<= ULTIMATE.start_main_~i~4 22), 135271#(<= ULTIMATE.start_main_~i~4 23), 135268#(<= ULTIMATE.start_main_~i~4 20), 135269#(<= ULTIMATE.start_main_~i~4 21), 135274#(<= ULTIMATE.start_main_~i~4 26), 135275#(<= ULTIMATE.start_main_~i~4 27), 135272#(<= ULTIMATE.start_main_~i~4 24), 135273#(<= ULTIMATE.start_main_~i~4 25), 135278#(<= ULTIMATE.start_main_~i~4 30), 135279#(<= ULTIMATE.start_main_~i~4 31), 135276#(<= ULTIMATE.start_main_~i~4 28), 135277#(<= ULTIMATE.start_main_~i~4 29), 135282#(<= ULTIMATE.start_main_~i~4 34), 135283#(<= ULTIMATE.start_main_~i~4 35), 135280#(<= ULTIMATE.start_main_~i~4 32), 135281#(<= ULTIMATE.start_main_~i~4 33), 135286#(<= ULTIMATE.start_main_~i~4 38), 135287#(<= ULTIMATE.start_main_~i~4 39), 135284#(<= ULTIMATE.start_main_~i~4 36), 135285#(<= ULTIMATE.start_main_~i~4 37), 135290#(<= ULTIMATE.start_main_~i~4 42), 135291#(<= ULTIMATE.start_main_~i~4 43), 135288#(<= ULTIMATE.start_main_~i~4 40), 135289#(<= ULTIMATE.start_main_~i~4 41), 135294#(<= ULTIMATE.start_main_~i~4 46), 135295#(<= ULTIMATE.start_main_~i~4 47), 135292#(<= ULTIMATE.start_main_~i~4 44), 135293#(<= ULTIMATE.start_main_~i~4 45), 135298#(<= ULTIMATE.start_main_~i~4 50), 135299#(<= ULTIMATE.start_main_~i~4 51), 135296#(<= ULTIMATE.start_main_~i~4 48), 135297#(<= ULTIMATE.start_main_~i~4 49), 135302#(<= ULTIMATE.start_main_~i~4 54), 135303#(<= ULTIMATE.start_main_~i~4 55), 135300#(<= ULTIMATE.start_main_~i~4 52), 135301#(<= ULTIMATE.start_main_~i~4 53), 135306#(<= ULTIMATE.start_main_~i~4 58), 135307#(<= ULTIMATE.start_main_~i~4 59), 135304#(<= ULTIMATE.start_main_~i~4 56), 135305#(<= ULTIMATE.start_main_~i~4 57), 135310#(<= ULTIMATE.start_main_~i~4 62), 135311#(<= ULTIMATE.start_main_~i~4 63), 135308#(<= ULTIMATE.start_main_~i~4 60), 135309#(<= ULTIMATE.start_main_~i~4 61), 135314#(<= ULTIMATE.start_main_~i~4 66), 135315#(<= ULTIMATE.start_main_~i~4 67), 135312#(<= ULTIMATE.start_main_~i~4 64), 135313#(<= ULTIMATE.start_main_~i~4 65), 135318#(<= ULTIMATE.start_main_~i~4 70), 135319#(<= ULTIMATE.start_main_~i~4 71), 135316#(<= ULTIMATE.start_main_~i~4 68), 135317#(<= ULTIMATE.start_main_~i~4 69), 135322#(<= ULTIMATE.start_main_~i~4 74), 135323#(<= ULTIMATE.start_main_~i~4 75), 135320#(<= ULTIMATE.start_main_~i~4 72), 135321#(<= ULTIMATE.start_main_~i~4 73), 135326#(<= ULTIMATE.start_main_~i~4 78), 135327#(<= ULTIMATE.start_main_~i~4 79), 135324#(<= ULTIMATE.start_main_~i~4 76), 135325#(<= ULTIMATE.start_main_~i~4 77), 135330#(<= ULTIMATE.start_main_~i~4 82), 135331#(<= ULTIMATE.start_main_~i~4 83), 135328#(<= ULTIMATE.start_main_~i~4 80), 135329#(<= ULTIMATE.start_main_~i~4 81), 135334#(<= ULTIMATE.start_main_~i~4 86), 135335#(<= ULTIMATE.start_main_~i~4 87), 135332#(<= ULTIMATE.start_main_~i~4 84), 135333#(<= ULTIMATE.start_main_~i~4 85), 135338#(<= ULTIMATE.start_main_~i~4 90), 135339#(<= ULTIMATE.start_main_~i~4 91), 135336#(<= ULTIMATE.start_main_~i~4 88), 135337#(<= ULTIMATE.start_main_~i~4 89), 135342#(<= ULTIMATE.start_main_~i~4 94), 135343#(<= ULTIMATE.start_main_~i~4 95), 135340#(<= ULTIMATE.start_main_~i~4 92), 135341#(<= ULTIMATE.start_main_~i~4 93), 135346#(<= ULTIMATE.start_main_~i~4 98), 135347#(<= ULTIMATE.start_main_~i~4 99), 135344#(<= ULTIMATE.start_main_~i~4 96), 135345#(<= ULTIMATE.start_main_~i~4 97), 135350#(<= ULTIMATE.start_main_~i~4 102), 135351#(<= ULTIMATE.start_main_~i~4 103), 135348#(<= ULTIMATE.start_main_~i~4 100), 135349#(<= ULTIMATE.start_main_~i~4 101), 135354#(<= ULTIMATE.start_main_~i~4 106), 135355#(<= ULTIMATE.start_main_~i~4 107), 135352#(<= ULTIMATE.start_main_~i~4 104), 135353#(<= ULTIMATE.start_main_~i~4 105), 135358#(<= ULTIMATE.start_main_~i~4 110), 135359#(<= ULTIMATE.start_main_~i~4 111), 135356#(<= ULTIMATE.start_main_~i~4 108), 135357#(<= ULTIMATE.start_main_~i~4 109), 135362#(<= ULTIMATE.start_main_~i~4 114), 135363#(<= ULTIMATE.start_main_~i~4 115), 135360#(<= ULTIMATE.start_main_~i~4 112), 135361#(<= ULTIMATE.start_main_~i~4 113), 135366#(<= ULTIMATE.start_main_~i~4 118), 135367#(<= ULTIMATE.start_main_~i~4 119), 135364#(<= ULTIMATE.start_main_~i~4 116), 135365#(<= ULTIMATE.start_main_~i~4 117), 135370#(<= ULTIMATE.start_main_~i~4 122), 135371#(<= ULTIMATE.start_main_~i~4 123), 135368#(<= ULTIMATE.start_main_~i~4 120), 135369#(<= ULTIMATE.start_main_~i~4 121), 135374#(<= ULTIMATE.start_main_~i~4 126), 135375#(<= ULTIMATE.start_main_~i~4 127), 135372#(<= ULTIMATE.start_main_~i~4 124), 135373#(<= ULTIMATE.start_main_~i~4 125), 135378#(<= ULTIMATE.start_main_~i~4 130), 135379#(<= ULTIMATE.start_main_~i~4 131), 135376#(<= ULTIMATE.start_main_~i~4 128), 135377#(<= ULTIMATE.start_main_~i~4 129), 135382#(<= ULTIMATE.start_main_~i~4 134), 135383#(<= ULTIMATE.start_main_~i~4 135), 135380#(<= ULTIMATE.start_main_~i~4 132), 135381#(<= ULTIMATE.start_main_~i~4 133), 135386#(<= ULTIMATE.start_main_~i~4 138), 135387#(<= ULTIMATE.start_main_~i~4 139), 135384#(<= ULTIMATE.start_main_~i~4 136), 135385#(<= ULTIMATE.start_main_~i~4 137), 135390#(<= ULTIMATE.start_main_~i~4 142), 135391#(<= ULTIMATE.start_main_~i~4 143), 135388#(<= ULTIMATE.start_main_~i~4 140), 135389#(<= ULTIMATE.start_main_~i~4 141), 135394#(<= ULTIMATE.start_main_~i~4 146), 135395#(<= ULTIMATE.start_main_~i~4 147), 135392#(<= ULTIMATE.start_main_~i~4 144), 135393#(<= ULTIMATE.start_main_~i~4 145), 135398#(<= ULTIMATE.start_main_~i~4 150), 135399#(<= ULTIMATE.start_main_~i~4 151), 135396#(<= ULTIMATE.start_main_~i~4 148), 135397#(<= ULTIMATE.start_main_~i~4 149), 135402#(<= ULTIMATE.start_main_~i~4 154), 135403#(<= ULTIMATE.start_main_~i~4 155), 135400#(<= ULTIMATE.start_main_~i~4 152), 135401#(<= ULTIMATE.start_main_~i~4 153), 135406#(<= ULTIMATE.start_main_~i~4 158), 135407#(<= ULTIMATE.start_main_~i~4 159), 135404#(<= ULTIMATE.start_main_~i~4 156), 135405#(<= ULTIMATE.start_main_~i~4 157), 135410#(<= ULTIMATE.start_main_~i~4 162), 135411#(<= ULTIMATE.start_main_~i~4 163), 135408#(<= ULTIMATE.start_main_~i~4 160), 135409#(<= ULTIMATE.start_main_~i~4 161), 135414#(<= ULTIMATE.start_main_~i~4 166), 135415#(<= ULTIMATE.start_main_~i~4 167), 135412#(<= ULTIMATE.start_main_~i~4 164), 135413#(<= ULTIMATE.start_main_~i~4 165), 135418#(<= ULTIMATE.start_main_~i~4 170), 135416#(<= ULTIMATE.start_main_~i~4 168), 135417#(<= ULTIMATE.start_main_~i~4 169)] [2018-07-23 13:44:45,037 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 13:44:45,037 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:44:45,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:44:45,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:44:45,042 INFO L87 Difference]: Start difference. First operand 345 states and 345 transitions. Second operand 173 states. [2018-07-23 13:44:46,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:46,324 INFO L93 Difference]: Finished difference Result 349 states and 349 transitions. [2018-07-23 13:44:46,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:44:46,324 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 344 [2018-07-23 13:44:46,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:46,325 INFO L225 Difference]: With dead ends: 349 [2018-07-23 13:44:46,325 INFO L226 Difference]: Without dead ends: 347 [2018-07-23 13:44:46,328 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:44:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-07-23 13:44:46,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2018-07-23 13:44:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-07-23 13:44:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 347 transitions. [2018-07-23 13:44:46,332 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 347 transitions. Word has length 344 [2018-07-23 13:44:46,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:46,333 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 347 transitions. [2018-07-23 13:44:46,333 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:44:46,333 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 347 transitions. [2018-07-23 13:44:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-07-23 13:44:46,334 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:46,334 INFO L357 BasicCegarLoop]: trace histogram [172, 171, 1, 1, 1] [2018-07-23 13:44:46,334 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:46,334 INFO L82 PathProgramCache]: Analyzing trace with hash 398251397, now seen corresponding path program 171 times [2018-07-23 13:44:46,334 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:47,269 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 13:44:47,269 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:47,269 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:44:47,269 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:47,270 INFO L185 omatonBuilderFactory]: Interpolants [136962#(<= ULTIMATE.start_main_~i~4 149), 136963#(<= ULTIMATE.start_main_~i~4 150), 136960#(<= ULTIMATE.start_main_~i~4 147), 136961#(<= ULTIMATE.start_main_~i~4 148), 136966#(<= ULTIMATE.start_main_~i~4 153), 136967#(<= ULTIMATE.start_main_~i~4 154), 136964#(<= ULTIMATE.start_main_~i~4 151), 136965#(<= ULTIMATE.start_main_~i~4 152), 136970#(<= ULTIMATE.start_main_~i~4 157), 136971#(<= ULTIMATE.start_main_~i~4 158), 136968#(<= ULTIMATE.start_main_~i~4 155), 136969#(<= ULTIMATE.start_main_~i~4 156), 136974#(<= ULTIMATE.start_main_~i~4 161), 136975#(<= ULTIMATE.start_main_~i~4 162), 136972#(<= ULTIMATE.start_main_~i~4 159), 136973#(<= ULTIMATE.start_main_~i~4 160), 136978#(<= ULTIMATE.start_main_~i~4 165), 136979#(<= ULTIMATE.start_main_~i~4 166), 136976#(<= ULTIMATE.start_main_~i~4 163), 136977#(<= ULTIMATE.start_main_~i~4 164), 136982#(<= ULTIMATE.start_main_~i~4 169), 136983#(<= ULTIMATE.start_main_~i~4 170), 136980#(<= ULTIMATE.start_main_~i~4 167), 136981#(<= ULTIMATE.start_main_~i~4 168), 136984#(<= ULTIMATE.start_main_~i~4 171), 136811#true, 136814#(<= ULTIMATE.start_main_~i~4 1), 136815#(<= ULTIMATE.start_main_~i~4 2), 136812#false, 136813#(<= ULTIMATE.start_main_~i~4 0), 136818#(<= ULTIMATE.start_main_~i~4 5), 136819#(<= ULTIMATE.start_main_~i~4 6), 136816#(<= ULTIMATE.start_main_~i~4 3), 136817#(<= ULTIMATE.start_main_~i~4 4), 136822#(<= ULTIMATE.start_main_~i~4 9), 136823#(<= ULTIMATE.start_main_~i~4 10), 136820#(<= ULTIMATE.start_main_~i~4 7), 136821#(<= ULTIMATE.start_main_~i~4 8), 136826#(<= ULTIMATE.start_main_~i~4 13), 136827#(<= ULTIMATE.start_main_~i~4 14), 136824#(<= ULTIMATE.start_main_~i~4 11), 136825#(<= ULTIMATE.start_main_~i~4 12), 136830#(<= ULTIMATE.start_main_~i~4 17), 136831#(<= ULTIMATE.start_main_~i~4 18), 136828#(<= ULTIMATE.start_main_~i~4 15), 136829#(<= ULTIMATE.start_main_~i~4 16), 136834#(<= ULTIMATE.start_main_~i~4 21), 136835#(<= ULTIMATE.start_main_~i~4 22), 136832#(<= ULTIMATE.start_main_~i~4 19), 136833#(<= ULTIMATE.start_main_~i~4 20), 136838#(<= ULTIMATE.start_main_~i~4 25), 136839#(<= ULTIMATE.start_main_~i~4 26), 136836#(<= ULTIMATE.start_main_~i~4 23), 136837#(<= ULTIMATE.start_main_~i~4 24), 136842#(<= ULTIMATE.start_main_~i~4 29), 136843#(<= ULTIMATE.start_main_~i~4 30), 136840#(<= ULTIMATE.start_main_~i~4 27), 136841#(<= ULTIMATE.start_main_~i~4 28), 136846#(<= ULTIMATE.start_main_~i~4 33), 136847#(<= ULTIMATE.start_main_~i~4 34), 136844#(<= ULTIMATE.start_main_~i~4 31), 136845#(<= ULTIMATE.start_main_~i~4 32), 136850#(<= ULTIMATE.start_main_~i~4 37), 136851#(<= ULTIMATE.start_main_~i~4 38), 136848#(<= ULTIMATE.start_main_~i~4 35), 136849#(<= ULTIMATE.start_main_~i~4 36), 136854#(<= ULTIMATE.start_main_~i~4 41), 136855#(<= ULTIMATE.start_main_~i~4 42), 136852#(<= ULTIMATE.start_main_~i~4 39), 136853#(<= ULTIMATE.start_main_~i~4 40), 136858#(<= ULTIMATE.start_main_~i~4 45), 136859#(<= ULTIMATE.start_main_~i~4 46), 136856#(<= ULTIMATE.start_main_~i~4 43), 136857#(<= ULTIMATE.start_main_~i~4 44), 136862#(<= ULTIMATE.start_main_~i~4 49), 136863#(<= ULTIMATE.start_main_~i~4 50), 136860#(<= ULTIMATE.start_main_~i~4 47), 136861#(<= ULTIMATE.start_main_~i~4 48), 136866#(<= ULTIMATE.start_main_~i~4 53), 136867#(<= ULTIMATE.start_main_~i~4 54), 136864#(<= ULTIMATE.start_main_~i~4 51), 136865#(<= ULTIMATE.start_main_~i~4 52), 136870#(<= ULTIMATE.start_main_~i~4 57), 136871#(<= ULTIMATE.start_main_~i~4 58), 136868#(<= ULTIMATE.start_main_~i~4 55), 136869#(<= ULTIMATE.start_main_~i~4 56), 136874#(<= ULTIMATE.start_main_~i~4 61), 136875#(<= ULTIMATE.start_main_~i~4 62), 136872#(<= ULTIMATE.start_main_~i~4 59), 136873#(<= ULTIMATE.start_main_~i~4 60), 136878#(<= ULTIMATE.start_main_~i~4 65), 136879#(<= ULTIMATE.start_main_~i~4 66), 136876#(<= ULTIMATE.start_main_~i~4 63), 136877#(<= ULTIMATE.start_main_~i~4 64), 136882#(<= ULTIMATE.start_main_~i~4 69), 136883#(<= ULTIMATE.start_main_~i~4 70), 136880#(<= ULTIMATE.start_main_~i~4 67), 136881#(<= ULTIMATE.start_main_~i~4 68), 136886#(<= ULTIMATE.start_main_~i~4 73), 136887#(<= ULTIMATE.start_main_~i~4 74), 136884#(<= ULTIMATE.start_main_~i~4 71), 136885#(<= ULTIMATE.start_main_~i~4 72), 136890#(<= ULTIMATE.start_main_~i~4 77), 136891#(<= ULTIMATE.start_main_~i~4 78), 136888#(<= ULTIMATE.start_main_~i~4 75), 136889#(<= ULTIMATE.start_main_~i~4 76), 136894#(<= ULTIMATE.start_main_~i~4 81), 136895#(<= ULTIMATE.start_main_~i~4 82), 136892#(<= ULTIMATE.start_main_~i~4 79), 136893#(<= ULTIMATE.start_main_~i~4 80), 136898#(<= ULTIMATE.start_main_~i~4 85), 136899#(<= ULTIMATE.start_main_~i~4 86), 136896#(<= ULTIMATE.start_main_~i~4 83), 136897#(<= ULTIMATE.start_main_~i~4 84), 136902#(<= ULTIMATE.start_main_~i~4 89), 136903#(<= ULTIMATE.start_main_~i~4 90), 136900#(<= ULTIMATE.start_main_~i~4 87), 136901#(<= ULTIMATE.start_main_~i~4 88), 136906#(<= ULTIMATE.start_main_~i~4 93), 136907#(<= ULTIMATE.start_main_~i~4 94), 136904#(<= ULTIMATE.start_main_~i~4 91), 136905#(<= ULTIMATE.start_main_~i~4 92), 136910#(<= ULTIMATE.start_main_~i~4 97), 136911#(<= ULTIMATE.start_main_~i~4 98), 136908#(<= ULTIMATE.start_main_~i~4 95), 136909#(<= ULTIMATE.start_main_~i~4 96), 136914#(<= ULTIMATE.start_main_~i~4 101), 136915#(<= ULTIMATE.start_main_~i~4 102), 136912#(<= ULTIMATE.start_main_~i~4 99), 136913#(<= ULTIMATE.start_main_~i~4 100), 136918#(<= ULTIMATE.start_main_~i~4 105), 136919#(<= ULTIMATE.start_main_~i~4 106), 136916#(<= ULTIMATE.start_main_~i~4 103), 136917#(<= ULTIMATE.start_main_~i~4 104), 136922#(<= ULTIMATE.start_main_~i~4 109), 136923#(<= ULTIMATE.start_main_~i~4 110), 136920#(<= ULTIMATE.start_main_~i~4 107), 136921#(<= ULTIMATE.start_main_~i~4 108), 136926#(<= ULTIMATE.start_main_~i~4 113), 136927#(<= ULTIMATE.start_main_~i~4 114), 136924#(<= ULTIMATE.start_main_~i~4 111), 136925#(<= ULTIMATE.start_main_~i~4 112), 136930#(<= ULTIMATE.start_main_~i~4 117), 136931#(<= ULTIMATE.start_main_~i~4 118), 136928#(<= ULTIMATE.start_main_~i~4 115), 136929#(<= ULTIMATE.start_main_~i~4 116), 136934#(<= ULTIMATE.start_main_~i~4 121), 136935#(<= ULTIMATE.start_main_~i~4 122), 136932#(<= ULTIMATE.start_main_~i~4 119), 136933#(<= ULTIMATE.start_main_~i~4 120), 136938#(<= ULTIMATE.start_main_~i~4 125), 136939#(<= ULTIMATE.start_main_~i~4 126), 136936#(<= ULTIMATE.start_main_~i~4 123), 136937#(<= ULTIMATE.start_main_~i~4 124), 136942#(<= ULTIMATE.start_main_~i~4 129), 136943#(<= ULTIMATE.start_main_~i~4 130), 136940#(<= ULTIMATE.start_main_~i~4 127), 136941#(<= ULTIMATE.start_main_~i~4 128), 136946#(<= ULTIMATE.start_main_~i~4 133), 136947#(<= ULTIMATE.start_main_~i~4 134), 136944#(<= ULTIMATE.start_main_~i~4 131), 136945#(<= ULTIMATE.start_main_~i~4 132), 136950#(<= ULTIMATE.start_main_~i~4 137), 136951#(<= ULTIMATE.start_main_~i~4 138), 136948#(<= ULTIMATE.start_main_~i~4 135), 136949#(<= ULTIMATE.start_main_~i~4 136), 136954#(<= ULTIMATE.start_main_~i~4 141), 136955#(<= ULTIMATE.start_main_~i~4 142), 136952#(<= ULTIMATE.start_main_~i~4 139), 136953#(<= ULTIMATE.start_main_~i~4 140), 136958#(<= ULTIMATE.start_main_~i~4 145), 136959#(<= ULTIMATE.start_main_~i~4 146), 136956#(<= ULTIMATE.start_main_~i~4 143), 136957#(<= ULTIMATE.start_main_~i~4 144)] [2018-07-23 13:44:47,271 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 13:44:47,272 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:44:47,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:44:47,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:44:47,276 INFO L87 Difference]: Start difference. First operand 347 states and 347 transitions. Second operand 174 states. [2018-07-23 13:44:47,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:47,916 INFO L93 Difference]: Finished difference Result 351 states and 351 transitions. [2018-07-23 13:44:47,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:44:47,916 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 346 [2018-07-23 13:44:47,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:47,917 INFO L225 Difference]: With dead ends: 351 [2018-07-23 13:44:47,917 INFO L226 Difference]: Without dead ends: 349 [2018-07-23 13:44:47,918 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 13:44:47,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-07-23 13:44:47,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2018-07-23 13:44:47,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-07-23 13:44:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 349 transitions. [2018-07-23 13:44:47,923 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 349 transitions. Word has length 346 [2018-07-23 13:44:47,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:47,924 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 349 transitions. [2018-07-23 13:44:47,924 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:44:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 349 transitions. [2018-07-23 13:44:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-07-23 13:44:47,925 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:47,925 INFO L357 BasicCegarLoop]: trace histogram [173, 172, 1, 1, 1] [2018-07-23 13:44:47,925 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:47,926 INFO L82 PathProgramCache]: Analyzing trace with hash 467555263, now seen corresponding path program 172 times [2018-07-23 13:44:47,926 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:48,782 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 13:44:48,782 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:48,782 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:44:48,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:48,783 INFO L185 omatonBuilderFactory]: Interpolants [138498#(<= ULTIMATE.start_main_~i~4 111), 138499#(<= ULTIMATE.start_main_~i~4 112), 138496#(<= ULTIMATE.start_main_~i~4 109), 138497#(<= ULTIMATE.start_main_~i~4 110), 138502#(<= ULTIMATE.start_main_~i~4 115), 138503#(<= ULTIMATE.start_main_~i~4 116), 138500#(<= ULTIMATE.start_main_~i~4 113), 138501#(<= ULTIMATE.start_main_~i~4 114), 138506#(<= ULTIMATE.start_main_~i~4 119), 138507#(<= ULTIMATE.start_main_~i~4 120), 138504#(<= ULTIMATE.start_main_~i~4 117), 138505#(<= ULTIMATE.start_main_~i~4 118), 138510#(<= ULTIMATE.start_main_~i~4 123), 138511#(<= ULTIMATE.start_main_~i~4 124), 138508#(<= ULTIMATE.start_main_~i~4 121), 138509#(<= ULTIMATE.start_main_~i~4 122), 138514#(<= ULTIMATE.start_main_~i~4 127), 138515#(<= ULTIMATE.start_main_~i~4 128), 138512#(<= ULTIMATE.start_main_~i~4 125), 138513#(<= ULTIMATE.start_main_~i~4 126), 138518#(<= ULTIMATE.start_main_~i~4 131), 138519#(<= ULTIMATE.start_main_~i~4 132), 138516#(<= ULTIMATE.start_main_~i~4 129), 138517#(<= ULTIMATE.start_main_~i~4 130), 138522#(<= ULTIMATE.start_main_~i~4 135), 138523#(<= ULTIMATE.start_main_~i~4 136), 138520#(<= ULTIMATE.start_main_~i~4 133), 138521#(<= ULTIMATE.start_main_~i~4 134), 138526#(<= ULTIMATE.start_main_~i~4 139), 138527#(<= ULTIMATE.start_main_~i~4 140), 138524#(<= ULTIMATE.start_main_~i~4 137), 138525#(<= ULTIMATE.start_main_~i~4 138), 138530#(<= ULTIMATE.start_main_~i~4 143), 138531#(<= ULTIMATE.start_main_~i~4 144), 138528#(<= ULTIMATE.start_main_~i~4 141), 138529#(<= ULTIMATE.start_main_~i~4 142), 138534#(<= ULTIMATE.start_main_~i~4 147), 138535#(<= ULTIMATE.start_main_~i~4 148), 138532#(<= ULTIMATE.start_main_~i~4 145), 138533#(<= ULTIMATE.start_main_~i~4 146), 138538#(<= ULTIMATE.start_main_~i~4 151), 138539#(<= ULTIMATE.start_main_~i~4 152), 138536#(<= ULTIMATE.start_main_~i~4 149), 138537#(<= ULTIMATE.start_main_~i~4 150), 138542#(<= ULTIMATE.start_main_~i~4 155), 138543#(<= ULTIMATE.start_main_~i~4 156), 138540#(<= ULTIMATE.start_main_~i~4 153), 138541#(<= ULTIMATE.start_main_~i~4 154), 138546#(<= ULTIMATE.start_main_~i~4 159), 138547#(<= ULTIMATE.start_main_~i~4 160), 138544#(<= ULTIMATE.start_main_~i~4 157), 138545#(<= ULTIMATE.start_main_~i~4 158), 138550#(<= ULTIMATE.start_main_~i~4 163), 138551#(<= ULTIMATE.start_main_~i~4 164), 138548#(<= ULTIMATE.start_main_~i~4 161), 138549#(<= ULTIMATE.start_main_~i~4 162), 138554#(<= ULTIMATE.start_main_~i~4 167), 138555#(<= ULTIMATE.start_main_~i~4 168), 138552#(<= ULTIMATE.start_main_~i~4 165), 138553#(<= ULTIMATE.start_main_~i~4 166), 138558#(<= ULTIMATE.start_main_~i~4 171), 138559#(<= ULTIMATE.start_main_~i~4 172), 138556#(<= ULTIMATE.start_main_~i~4 169), 138557#(<= ULTIMATE.start_main_~i~4 170), 138386#false, 138387#(<= ULTIMATE.start_main_~i~4 0), 138385#true, 138390#(<= ULTIMATE.start_main_~i~4 3), 138391#(<= ULTIMATE.start_main_~i~4 4), 138388#(<= ULTIMATE.start_main_~i~4 1), 138389#(<= ULTIMATE.start_main_~i~4 2), 138394#(<= ULTIMATE.start_main_~i~4 7), 138395#(<= ULTIMATE.start_main_~i~4 8), 138392#(<= ULTIMATE.start_main_~i~4 5), 138393#(<= ULTIMATE.start_main_~i~4 6), 138398#(<= ULTIMATE.start_main_~i~4 11), 138399#(<= ULTIMATE.start_main_~i~4 12), 138396#(<= ULTIMATE.start_main_~i~4 9), 138397#(<= ULTIMATE.start_main_~i~4 10), 138402#(<= ULTIMATE.start_main_~i~4 15), 138403#(<= ULTIMATE.start_main_~i~4 16), 138400#(<= ULTIMATE.start_main_~i~4 13), 138401#(<= ULTIMATE.start_main_~i~4 14), 138406#(<= ULTIMATE.start_main_~i~4 19), 138407#(<= ULTIMATE.start_main_~i~4 20), 138404#(<= ULTIMATE.start_main_~i~4 17), 138405#(<= ULTIMATE.start_main_~i~4 18), 138410#(<= ULTIMATE.start_main_~i~4 23), 138411#(<= ULTIMATE.start_main_~i~4 24), 138408#(<= ULTIMATE.start_main_~i~4 21), 138409#(<= ULTIMATE.start_main_~i~4 22), 138414#(<= ULTIMATE.start_main_~i~4 27), 138415#(<= ULTIMATE.start_main_~i~4 28), 138412#(<= ULTIMATE.start_main_~i~4 25), 138413#(<= ULTIMATE.start_main_~i~4 26), 138418#(<= ULTIMATE.start_main_~i~4 31), 138419#(<= ULTIMATE.start_main_~i~4 32), 138416#(<= ULTIMATE.start_main_~i~4 29), 138417#(<= ULTIMATE.start_main_~i~4 30), 138422#(<= ULTIMATE.start_main_~i~4 35), 138423#(<= ULTIMATE.start_main_~i~4 36), 138420#(<= ULTIMATE.start_main_~i~4 33), 138421#(<= ULTIMATE.start_main_~i~4 34), 138426#(<= ULTIMATE.start_main_~i~4 39), 138427#(<= ULTIMATE.start_main_~i~4 40), 138424#(<= ULTIMATE.start_main_~i~4 37), 138425#(<= ULTIMATE.start_main_~i~4 38), 138430#(<= ULTIMATE.start_main_~i~4 43), 138431#(<= ULTIMATE.start_main_~i~4 44), 138428#(<= ULTIMATE.start_main_~i~4 41), 138429#(<= ULTIMATE.start_main_~i~4 42), 138434#(<= ULTIMATE.start_main_~i~4 47), 138435#(<= ULTIMATE.start_main_~i~4 48), 138432#(<= ULTIMATE.start_main_~i~4 45), 138433#(<= ULTIMATE.start_main_~i~4 46), 138438#(<= ULTIMATE.start_main_~i~4 51), 138439#(<= ULTIMATE.start_main_~i~4 52), 138436#(<= ULTIMATE.start_main_~i~4 49), 138437#(<= ULTIMATE.start_main_~i~4 50), 138442#(<= ULTIMATE.start_main_~i~4 55), 138443#(<= ULTIMATE.start_main_~i~4 56), 138440#(<= ULTIMATE.start_main_~i~4 53), 138441#(<= ULTIMATE.start_main_~i~4 54), 138446#(<= ULTIMATE.start_main_~i~4 59), 138447#(<= ULTIMATE.start_main_~i~4 60), 138444#(<= ULTIMATE.start_main_~i~4 57), 138445#(<= ULTIMATE.start_main_~i~4 58), 138450#(<= ULTIMATE.start_main_~i~4 63), 138451#(<= ULTIMATE.start_main_~i~4 64), 138448#(<= ULTIMATE.start_main_~i~4 61), 138449#(<= ULTIMATE.start_main_~i~4 62), 138454#(<= ULTIMATE.start_main_~i~4 67), 138455#(<= ULTIMATE.start_main_~i~4 68), 138452#(<= ULTIMATE.start_main_~i~4 65), 138453#(<= ULTIMATE.start_main_~i~4 66), 138458#(<= ULTIMATE.start_main_~i~4 71), 138459#(<= ULTIMATE.start_main_~i~4 72), 138456#(<= ULTIMATE.start_main_~i~4 69), 138457#(<= ULTIMATE.start_main_~i~4 70), 138462#(<= ULTIMATE.start_main_~i~4 75), 138463#(<= ULTIMATE.start_main_~i~4 76), 138460#(<= ULTIMATE.start_main_~i~4 73), 138461#(<= ULTIMATE.start_main_~i~4 74), 138466#(<= ULTIMATE.start_main_~i~4 79), 138467#(<= ULTIMATE.start_main_~i~4 80), 138464#(<= ULTIMATE.start_main_~i~4 77), 138465#(<= ULTIMATE.start_main_~i~4 78), 138470#(<= ULTIMATE.start_main_~i~4 83), 138471#(<= ULTIMATE.start_main_~i~4 84), 138468#(<= ULTIMATE.start_main_~i~4 81), 138469#(<= ULTIMATE.start_main_~i~4 82), 138474#(<= ULTIMATE.start_main_~i~4 87), 138475#(<= ULTIMATE.start_main_~i~4 88), 138472#(<= ULTIMATE.start_main_~i~4 85), 138473#(<= ULTIMATE.start_main_~i~4 86), 138478#(<= ULTIMATE.start_main_~i~4 91), 138479#(<= ULTIMATE.start_main_~i~4 92), 138476#(<= ULTIMATE.start_main_~i~4 89), 138477#(<= ULTIMATE.start_main_~i~4 90), 138482#(<= ULTIMATE.start_main_~i~4 95), 138483#(<= ULTIMATE.start_main_~i~4 96), 138480#(<= ULTIMATE.start_main_~i~4 93), 138481#(<= ULTIMATE.start_main_~i~4 94), 138486#(<= ULTIMATE.start_main_~i~4 99), 138487#(<= ULTIMATE.start_main_~i~4 100), 138484#(<= ULTIMATE.start_main_~i~4 97), 138485#(<= ULTIMATE.start_main_~i~4 98), 138490#(<= ULTIMATE.start_main_~i~4 103), 138491#(<= ULTIMATE.start_main_~i~4 104), 138488#(<= ULTIMATE.start_main_~i~4 101), 138489#(<= ULTIMATE.start_main_~i~4 102), 138494#(<= ULTIMATE.start_main_~i~4 107), 138495#(<= ULTIMATE.start_main_~i~4 108), 138492#(<= ULTIMATE.start_main_~i~4 105), 138493#(<= ULTIMATE.start_main_~i~4 106)] [2018-07-23 13:44:48,785 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 13:44:48,785 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:44:48,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:44:48,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:44:48,789 INFO L87 Difference]: Start difference. First operand 349 states and 349 transitions. Second operand 175 states. [2018-07-23 13:44:49,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:49,206 INFO L93 Difference]: Finished difference Result 353 states and 353 transitions. [2018-07-23 13:44:49,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:44:49,206 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 348 [2018-07-23 13:44:49,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:49,207 INFO L225 Difference]: With dead ends: 353 [2018-07-23 13:44:49,207 INFO L226 Difference]: Without dead ends: 351 [2018-07-23 13:44:49,209 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:44:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-07-23 13:44:49,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2018-07-23 13:44:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-07-23 13:44:49,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 351 transitions. [2018-07-23 13:44:49,213 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 351 transitions. Word has length 348 [2018-07-23 13:44:49,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:49,213 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 351 transitions. [2018-07-23 13:44:49,213 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:44:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 351 transitions. [2018-07-23 13:44:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-07-23 13:44:49,214 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:49,214 INFO L357 BasicCegarLoop]: trace histogram [174, 173, 1, 1, 1] [2018-07-23 13:44:49,215 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1650906247, now seen corresponding path program 173 times [2018-07-23 13:44:49,215 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:50,101 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 13:44:50,101 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:50,101 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:44:50,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:50,102 INFO L185 omatonBuilderFactory]: Interpolants [140034#(<= ULTIMATE.start_main_~i~4 64), 140035#(<= ULTIMATE.start_main_~i~4 65), 140032#(<= ULTIMATE.start_main_~i~4 62), 140033#(<= ULTIMATE.start_main_~i~4 63), 140038#(<= ULTIMATE.start_main_~i~4 68), 140039#(<= ULTIMATE.start_main_~i~4 69), 140036#(<= ULTIMATE.start_main_~i~4 66), 140037#(<= ULTIMATE.start_main_~i~4 67), 140042#(<= ULTIMATE.start_main_~i~4 72), 140043#(<= ULTIMATE.start_main_~i~4 73), 140040#(<= ULTIMATE.start_main_~i~4 70), 140041#(<= ULTIMATE.start_main_~i~4 71), 140046#(<= ULTIMATE.start_main_~i~4 76), 140047#(<= ULTIMATE.start_main_~i~4 77), 140044#(<= ULTIMATE.start_main_~i~4 74), 140045#(<= ULTIMATE.start_main_~i~4 75), 140050#(<= ULTIMATE.start_main_~i~4 80), 140051#(<= ULTIMATE.start_main_~i~4 81), 140048#(<= ULTIMATE.start_main_~i~4 78), 140049#(<= ULTIMATE.start_main_~i~4 79), 140054#(<= ULTIMATE.start_main_~i~4 84), 140055#(<= ULTIMATE.start_main_~i~4 85), 140052#(<= ULTIMATE.start_main_~i~4 82), 140053#(<= ULTIMATE.start_main_~i~4 83), 140058#(<= ULTIMATE.start_main_~i~4 88), 140059#(<= ULTIMATE.start_main_~i~4 89), 140056#(<= ULTIMATE.start_main_~i~4 86), 140057#(<= ULTIMATE.start_main_~i~4 87), 140062#(<= ULTIMATE.start_main_~i~4 92), 140063#(<= ULTIMATE.start_main_~i~4 93), 140060#(<= ULTIMATE.start_main_~i~4 90), 140061#(<= ULTIMATE.start_main_~i~4 91), 140066#(<= ULTIMATE.start_main_~i~4 96), 140067#(<= ULTIMATE.start_main_~i~4 97), 140064#(<= ULTIMATE.start_main_~i~4 94), 140065#(<= ULTIMATE.start_main_~i~4 95), 140070#(<= ULTIMATE.start_main_~i~4 100), 140071#(<= ULTIMATE.start_main_~i~4 101), 140068#(<= ULTIMATE.start_main_~i~4 98), 140069#(<= ULTIMATE.start_main_~i~4 99), 140074#(<= ULTIMATE.start_main_~i~4 104), 140075#(<= ULTIMATE.start_main_~i~4 105), 140072#(<= ULTIMATE.start_main_~i~4 102), 140073#(<= ULTIMATE.start_main_~i~4 103), 140078#(<= ULTIMATE.start_main_~i~4 108), 140079#(<= ULTIMATE.start_main_~i~4 109), 140076#(<= ULTIMATE.start_main_~i~4 106), 140077#(<= ULTIMATE.start_main_~i~4 107), 140082#(<= ULTIMATE.start_main_~i~4 112), 140083#(<= ULTIMATE.start_main_~i~4 113), 140080#(<= ULTIMATE.start_main_~i~4 110), 140081#(<= ULTIMATE.start_main_~i~4 111), 140086#(<= ULTIMATE.start_main_~i~4 116), 140087#(<= ULTIMATE.start_main_~i~4 117), 140084#(<= ULTIMATE.start_main_~i~4 114), 140085#(<= ULTIMATE.start_main_~i~4 115), 140090#(<= ULTIMATE.start_main_~i~4 120), 140091#(<= ULTIMATE.start_main_~i~4 121), 140088#(<= ULTIMATE.start_main_~i~4 118), 140089#(<= ULTIMATE.start_main_~i~4 119), 140094#(<= ULTIMATE.start_main_~i~4 124), 140095#(<= ULTIMATE.start_main_~i~4 125), 140092#(<= ULTIMATE.start_main_~i~4 122), 140093#(<= ULTIMATE.start_main_~i~4 123), 140098#(<= ULTIMATE.start_main_~i~4 128), 140099#(<= ULTIMATE.start_main_~i~4 129), 140096#(<= ULTIMATE.start_main_~i~4 126), 140097#(<= ULTIMATE.start_main_~i~4 127), 140102#(<= ULTIMATE.start_main_~i~4 132), 140103#(<= ULTIMATE.start_main_~i~4 133), 140100#(<= ULTIMATE.start_main_~i~4 130), 140101#(<= ULTIMATE.start_main_~i~4 131), 140106#(<= ULTIMATE.start_main_~i~4 136), 140107#(<= ULTIMATE.start_main_~i~4 137), 140104#(<= ULTIMATE.start_main_~i~4 134), 140105#(<= ULTIMATE.start_main_~i~4 135), 140110#(<= ULTIMATE.start_main_~i~4 140), 140111#(<= ULTIMATE.start_main_~i~4 141), 140108#(<= ULTIMATE.start_main_~i~4 138), 140109#(<= ULTIMATE.start_main_~i~4 139), 140114#(<= ULTIMATE.start_main_~i~4 144), 140115#(<= ULTIMATE.start_main_~i~4 145), 140112#(<= ULTIMATE.start_main_~i~4 142), 140113#(<= ULTIMATE.start_main_~i~4 143), 140118#(<= ULTIMATE.start_main_~i~4 148), 140119#(<= ULTIMATE.start_main_~i~4 149), 140116#(<= ULTIMATE.start_main_~i~4 146), 140117#(<= ULTIMATE.start_main_~i~4 147), 140122#(<= ULTIMATE.start_main_~i~4 152), 140123#(<= ULTIMATE.start_main_~i~4 153), 140120#(<= ULTIMATE.start_main_~i~4 150), 140121#(<= ULTIMATE.start_main_~i~4 151), 140126#(<= ULTIMATE.start_main_~i~4 156), 140127#(<= ULTIMATE.start_main_~i~4 157), 140124#(<= ULTIMATE.start_main_~i~4 154), 140125#(<= ULTIMATE.start_main_~i~4 155), 140130#(<= ULTIMATE.start_main_~i~4 160), 140131#(<= ULTIMATE.start_main_~i~4 161), 140128#(<= ULTIMATE.start_main_~i~4 158), 140129#(<= ULTIMATE.start_main_~i~4 159), 140134#(<= ULTIMATE.start_main_~i~4 164), 140135#(<= ULTIMATE.start_main_~i~4 165), 140132#(<= ULTIMATE.start_main_~i~4 162), 140133#(<= ULTIMATE.start_main_~i~4 163), 140138#(<= ULTIMATE.start_main_~i~4 168), 140139#(<= ULTIMATE.start_main_~i~4 169), 140136#(<= ULTIMATE.start_main_~i~4 166), 140137#(<= ULTIMATE.start_main_~i~4 167), 140142#(<= ULTIMATE.start_main_~i~4 172), 140143#(<= ULTIMATE.start_main_~i~4 173), 140140#(<= ULTIMATE.start_main_~i~4 170), 140141#(<= ULTIMATE.start_main_~i~4 171), 139970#(<= ULTIMATE.start_main_~i~4 0), 139971#(<= ULTIMATE.start_main_~i~4 1), 139968#true, 139969#false, 139974#(<= ULTIMATE.start_main_~i~4 4), 139975#(<= ULTIMATE.start_main_~i~4 5), 139972#(<= ULTIMATE.start_main_~i~4 2), 139973#(<= ULTIMATE.start_main_~i~4 3), 139978#(<= ULTIMATE.start_main_~i~4 8), 139979#(<= ULTIMATE.start_main_~i~4 9), 139976#(<= ULTIMATE.start_main_~i~4 6), 139977#(<= ULTIMATE.start_main_~i~4 7), 139982#(<= ULTIMATE.start_main_~i~4 12), 139983#(<= ULTIMATE.start_main_~i~4 13), 139980#(<= ULTIMATE.start_main_~i~4 10), 139981#(<= ULTIMATE.start_main_~i~4 11), 139986#(<= ULTIMATE.start_main_~i~4 16), 139987#(<= ULTIMATE.start_main_~i~4 17), 139984#(<= ULTIMATE.start_main_~i~4 14), 139985#(<= ULTIMATE.start_main_~i~4 15), 139990#(<= ULTIMATE.start_main_~i~4 20), 139991#(<= ULTIMATE.start_main_~i~4 21), 139988#(<= ULTIMATE.start_main_~i~4 18), 139989#(<= ULTIMATE.start_main_~i~4 19), 139994#(<= ULTIMATE.start_main_~i~4 24), 139995#(<= ULTIMATE.start_main_~i~4 25), 139992#(<= ULTIMATE.start_main_~i~4 22), 139993#(<= ULTIMATE.start_main_~i~4 23), 139998#(<= ULTIMATE.start_main_~i~4 28), 139999#(<= ULTIMATE.start_main_~i~4 29), 139996#(<= ULTIMATE.start_main_~i~4 26), 139997#(<= ULTIMATE.start_main_~i~4 27), 140002#(<= ULTIMATE.start_main_~i~4 32), 140003#(<= ULTIMATE.start_main_~i~4 33), 140000#(<= ULTIMATE.start_main_~i~4 30), 140001#(<= ULTIMATE.start_main_~i~4 31), 140006#(<= ULTIMATE.start_main_~i~4 36), 140007#(<= ULTIMATE.start_main_~i~4 37), 140004#(<= ULTIMATE.start_main_~i~4 34), 140005#(<= ULTIMATE.start_main_~i~4 35), 140010#(<= ULTIMATE.start_main_~i~4 40), 140011#(<= ULTIMATE.start_main_~i~4 41), 140008#(<= ULTIMATE.start_main_~i~4 38), 140009#(<= ULTIMATE.start_main_~i~4 39), 140014#(<= ULTIMATE.start_main_~i~4 44), 140015#(<= ULTIMATE.start_main_~i~4 45), 140012#(<= ULTIMATE.start_main_~i~4 42), 140013#(<= ULTIMATE.start_main_~i~4 43), 140018#(<= ULTIMATE.start_main_~i~4 48), 140019#(<= ULTIMATE.start_main_~i~4 49), 140016#(<= ULTIMATE.start_main_~i~4 46), 140017#(<= ULTIMATE.start_main_~i~4 47), 140022#(<= ULTIMATE.start_main_~i~4 52), 140023#(<= ULTIMATE.start_main_~i~4 53), 140020#(<= ULTIMATE.start_main_~i~4 50), 140021#(<= ULTIMATE.start_main_~i~4 51), 140026#(<= ULTIMATE.start_main_~i~4 56), 140027#(<= ULTIMATE.start_main_~i~4 57), 140024#(<= ULTIMATE.start_main_~i~4 54), 140025#(<= ULTIMATE.start_main_~i~4 55), 140030#(<= ULTIMATE.start_main_~i~4 60), 140031#(<= ULTIMATE.start_main_~i~4 61), 140028#(<= ULTIMATE.start_main_~i~4 58), 140029#(<= ULTIMATE.start_main_~i~4 59)] [2018-07-23 13:44:50,104 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 13:44:50,104 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:44:50,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:44:50,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:44:50,108 INFO L87 Difference]: Start difference. First operand 351 states and 351 transitions. Second operand 176 states. [2018-07-23 13:44:50,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:50,798 INFO L93 Difference]: Finished difference Result 355 states and 355 transitions. [2018-07-23 13:44:50,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:44:50,798 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 350 [2018-07-23 13:44:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:50,799 INFO L225 Difference]: With dead ends: 355 [2018-07-23 13:44:50,799 INFO L226 Difference]: Without dead ends: 353 [2018-07-23 13:44:50,801 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 13:44:50,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-07-23 13:44:50,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2018-07-23 13:44:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-07-23 13:44:50,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 353 transitions. [2018-07-23 13:44:50,804 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 353 transitions. Word has length 350 [2018-07-23 13:44:50,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:50,804 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 353 transitions. [2018-07-23 13:44:50,804 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:44:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 353 transitions. [2018-07-23 13:44:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-07-23 13:44:50,805 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:50,805 INFO L357 BasicCegarLoop]: trace histogram [175, 174, 1, 1, 1] [2018-07-23 13:44:50,805 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:50,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1677919053, now seen corresponding path program 174 times [2018-07-23 13:44:50,806 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:51,643 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 13:44:51,643 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:51,643 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:44:51,643 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:51,644 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 13:44:51,644 INFO L185 omatonBuilderFactory]: Interpolants [141570#(<= ULTIMATE.start_main_~i~4 8), 141571#(<= ULTIMATE.start_main_~i~4 9), 141568#(<= ULTIMATE.start_main_~i~4 6), 141569#(<= ULTIMATE.start_main_~i~4 7), 141574#(<= ULTIMATE.start_main_~i~4 12), 141575#(<= ULTIMATE.start_main_~i~4 13), 141572#(<= ULTIMATE.start_main_~i~4 10), 141573#(<= ULTIMATE.start_main_~i~4 11), 141578#(<= ULTIMATE.start_main_~i~4 16), 141579#(<= ULTIMATE.start_main_~i~4 17), 141576#(<= ULTIMATE.start_main_~i~4 14), 141577#(<= ULTIMATE.start_main_~i~4 15), 141582#(<= ULTIMATE.start_main_~i~4 20), 141583#(<= ULTIMATE.start_main_~i~4 21), 141580#(<= ULTIMATE.start_main_~i~4 18), 141581#(<= ULTIMATE.start_main_~i~4 19), 141586#(<= ULTIMATE.start_main_~i~4 24), 141587#(<= ULTIMATE.start_main_~i~4 25), 141584#(<= ULTIMATE.start_main_~i~4 22), 141585#(<= ULTIMATE.start_main_~i~4 23), 141590#(<= ULTIMATE.start_main_~i~4 28), 141591#(<= ULTIMATE.start_main_~i~4 29), 141588#(<= ULTIMATE.start_main_~i~4 26), 141589#(<= ULTIMATE.start_main_~i~4 27), 141594#(<= ULTIMATE.start_main_~i~4 32), 141595#(<= ULTIMATE.start_main_~i~4 33), 141592#(<= ULTIMATE.start_main_~i~4 30), 141593#(<= ULTIMATE.start_main_~i~4 31), 141598#(<= ULTIMATE.start_main_~i~4 36), 141599#(<= ULTIMATE.start_main_~i~4 37), 141596#(<= ULTIMATE.start_main_~i~4 34), 141597#(<= ULTIMATE.start_main_~i~4 35), 141602#(<= ULTIMATE.start_main_~i~4 40), 141603#(<= ULTIMATE.start_main_~i~4 41), 141600#(<= ULTIMATE.start_main_~i~4 38), 141601#(<= ULTIMATE.start_main_~i~4 39), 141606#(<= ULTIMATE.start_main_~i~4 44), 141607#(<= ULTIMATE.start_main_~i~4 45), 141604#(<= ULTIMATE.start_main_~i~4 42), 141605#(<= ULTIMATE.start_main_~i~4 43), 141610#(<= ULTIMATE.start_main_~i~4 48), 141611#(<= ULTIMATE.start_main_~i~4 49), 141608#(<= ULTIMATE.start_main_~i~4 46), 141609#(<= ULTIMATE.start_main_~i~4 47), 141614#(<= ULTIMATE.start_main_~i~4 52), 141615#(<= ULTIMATE.start_main_~i~4 53), 141612#(<= ULTIMATE.start_main_~i~4 50), 141613#(<= ULTIMATE.start_main_~i~4 51), 141618#(<= ULTIMATE.start_main_~i~4 56), 141619#(<= ULTIMATE.start_main_~i~4 57), 141616#(<= ULTIMATE.start_main_~i~4 54), 141617#(<= ULTIMATE.start_main_~i~4 55), 141622#(<= ULTIMATE.start_main_~i~4 60), 141623#(<= ULTIMATE.start_main_~i~4 61), 141620#(<= ULTIMATE.start_main_~i~4 58), 141621#(<= ULTIMATE.start_main_~i~4 59), 141626#(<= ULTIMATE.start_main_~i~4 64), 141627#(<= ULTIMATE.start_main_~i~4 65), 141624#(<= ULTIMATE.start_main_~i~4 62), 141625#(<= ULTIMATE.start_main_~i~4 63), 141630#(<= ULTIMATE.start_main_~i~4 68), 141631#(<= ULTIMATE.start_main_~i~4 69), 141628#(<= ULTIMATE.start_main_~i~4 66), 141629#(<= ULTIMATE.start_main_~i~4 67), 141634#(<= ULTIMATE.start_main_~i~4 72), 141635#(<= ULTIMATE.start_main_~i~4 73), 141632#(<= ULTIMATE.start_main_~i~4 70), 141633#(<= ULTIMATE.start_main_~i~4 71), 141638#(<= ULTIMATE.start_main_~i~4 76), 141639#(<= ULTIMATE.start_main_~i~4 77), 141636#(<= ULTIMATE.start_main_~i~4 74), 141637#(<= ULTIMATE.start_main_~i~4 75), 141642#(<= ULTIMATE.start_main_~i~4 80), 141643#(<= ULTIMATE.start_main_~i~4 81), 141640#(<= ULTIMATE.start_main_~i~4 78), 141641#(<= ULTIMATE.start_main_~i~4 79), 141646#(<= ULTIMATE.start_main_~i~4 84), 141647#(<= ULTIMATE.start_main_~i~4 85), 141644#(<= ULTIMATE.start_main_~i~4 82), 141645#(<= ULTIMATE.start_main_~i~4 83), 141650#(<= ULTIMATE.start_main_~i~4 88), 141651#(<= ULTIMATE.start_main_~i~4 89), 141648#(<= ULTIMATE.start_main_~i~4 86), 141649#(<= ULTIMATE.start_main_~i~4 87), 141654#(<= ULTIMATE.start_main_~i~4 92), 141655#(<= ULTIMATE.start_main_~i~4 93), 141652#(<= ULTIMATE.start_main_~i~4 90), 141653#(<= ULTIMATE.start_main_~i~4 91), 141658#(<= ULTIMATE.start_main_~i~4 96), 141659#(<= ULTIMATE.start_main_~i~4 97), 141656#(<= ULTIMATE.start_main_~i~4 94), 141657#(<= ULTIMATE.start_main_~i~4 95), 141662#(<= ULTIMATE.start_main_~i~4 100), 141663#(<= ULTIMATE.start_main_~i~4 101), 141660#(<= ULTIMATE.start_main_~i~4 98), 141661#(<= ULTIMATE.start_main_~i~4 99), 141666#(<= ULTIMATE.start_main_~i~4 104), 141667#(<= ULTIMATE.start_main_~i~4 105), 141664#(<= ULTIMATE.start_main_~i~4 102), 141665#(<= ULTIMATE.start_main_~i~4 103), 141670#(<= ULTIMATE.start_main_~i~4 108), 141671#(<= ULTIMATE.start_main_~i~4 109), 141668#(<= ULTIMATE.start_main_~i~4 106), 141669#(<= ULTIMATE.start_main_~i~4 107), 141674#(<= ULTIMATE.start_main_~i~4 112), 141675#(<= ULTIMATE.start_main_~i~4 113), 141672#(<= ULTIMATE.start_main_~i~4 110), 141673#(<= ULTIMATE.start_main_~i~4 111), 141678#(<= ULTIMATE.start_main_~i~4 116), 141679#(<= ULTIMATE.start_main_~i~4 117), 141676#(<= ULTIMATE.start_main_~i~4 114), 141677#(<= ULTIMATE.start_main_~i~4 115), 141682#(<= ULTIMATE.start_main_~i~4 120), 141683#(<= ULTIMATE.start_main_~i~4 121), 141680#(<= ULTIMATE.start_main_~i~4 118), 141681#(<= ULTIMATE.start_main_~i~4 119), 141686#(<= ULTIMATE.start_main_~i~4 124), 141687#(<= ULTIMATE.start_main_~i~4 125), 141684#(<= ULTIMATE.start_main_~i~4 122), 141685#(<= ULTIMATE.start_main_~i~4 123), 141690#(<= ULTIMATE.start_main_~i~4 128), 141691#(<= ULTIMATE.start_main_~i~4 129), 141688#(<= ULTIMATE.start_main_~i~4 126), 141689#(<= ULTIMATE.start_main_~i~4 127), 141694#(<= ULTIMATE.start_main_~i~4 132), 141695#(<= ULTIMATE.start_main_~i~4 133), 141692#(<= ULTIMATE.start_main_~i~4 130), 141693#(<= ULTIMATE.start_main_~i~4 131), 141698#(<= ULTIMATE.start_main_~i~4 136), 141699#(<= ULTIMATE.start_main_~i~4 137), 141696#(<= ULTIMATE.start_main_~i~4 134), 141697#(<= ULTIMATE.start_main_~i~4 135), 141702#(<= ULTIMATE.start_main_~i~4 140), 141703#(<= ULTIMATE.start_main_~i~4 141), 141700#(<= ULTIMATE.start_main_~i~4 138), 141701#(<= ULTIMATE.start_main_~i~4 139), 141706#(<= ULTIMATE.start_main_~i~4 144), 141707#(<= ULTIMATE.start_main_~i~4 145), 141704#(<= ULTIMATE.start_main_~i~4 142), 141705#(<= ULTIMATE.start_main_~i~4 143), 141710#(<= ULTIMATE.start_main_~i~4 148), 141711#(<= ULTIMATE.start_main_~i~4 149), 141708#(<= ULTIMATE.start_main_~i~4 146), 141709#(<= ULTIMATE.start_main_~i~4 147), 141714#(<= ULTIMATE.start_main_~i~4 152), 141715#(<= ULTIMATE.start_main_~i~4 153), 141712#(<= ULTIMATE.start_main_~i~4 150), 141713#(<= ULTIMATE.start_main_~i~4 151), 141718#(<= ULTIMATE.start_main_~i~4 156), 141719#(<= ULTIMATE.start_main_~i~4 157), 141716#(<= ULTIMATE.start_main_~i~4 154), 141717#(<= ULTIMATE.start_main_~i~4 155), 141722#(<= ULTIMATE.start_main_~i~4 160), 141723#(<= ULTIMATE.start_main_~i~4 161), 141720#(<= ULTIMATE.start_main_~i~4 158), 141721#(<= ULTIMATE.start_main_~i~4 159), 141726#(<= ULTIMATE.start_main_~i~4 164), 141727#(<= ULTIMATE.start_main_~i~4 165), 141724#(<= ULTIMATE.start_main_~i~4 162), 141725#(<= ULTIMATE.start_main_~i~4 163), 141730#(<= ULTIMATE.start_main_~i~4 168), 141731#(<= ULTIMATE.start_main_~i~4 169), 141728#(<= ULTIMATE.start_main_~i~4 166), 141729#(<= ULTIMATE.start_main_~i~4 167), 141734#(<= ULTIMATE.start_main_~i~4 172), 141735#(<= ULTIMATE.start_main_~i~4 173), 141732#(<= ULTIMATE.start_main_~i~4 170), 141733#(<= ULTIMATE.start_main_~i~4 171), 141736#(<= ULTIMATE.start_main_~i~4 174), 141562#(<= ULTIMATE.start_main_~i~4 0), 141563#(<= ULTIMATE.start_main_~i~4 1), 141560#true, 141561#false, 141566#(<= ULTIMATE.start_main_~i~4 4), 141567#(<= ULTIMATE.start_main_~i~4 5), 141564#(<= ULTIMATE.start_main_~i~4 2), 141565#(<= ULTIMATE.start_main_~i~4 3)] [2018-07-23 13:44:51,645 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 13:44:51,645 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:44:51,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:44:51,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:44:51,647 INFO L87 Difference]: Start difference. First operand 353 states and 353 transitions. Second operand 177 states. [2018-07-23 13:44:52,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:52,760 INFO L93 Difference]: Finished difference Result 357 states and 357 transitions. [2018-07-23 13:44:52,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:44:52,760 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 352 [2018-07-23 13:44:52,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:52,761 INFO L225 Difference]: With dead ends: 357 [2018-07-23 13:44:52,761 INFO L226 Difference]: Without dead ends: 355 [2018-07-23 13:44:52,762 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 13:44:52,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-07-23 13:44:52,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-07-23 13:44:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-07-23 13:44:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 355 transitions. [2018-07-23 13:44:52,765 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 355 transitions. Word has length 352 [2018-07-23 13:44:52,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:52,765 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 355 transitions. [2018-07-23 13:44:52,765 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:44:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 355 transitions. [2018-07-23 13:44:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-07-23 13:44:52,766 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:52,766 INFO L357 BasicCegarLoop]: trace histogram [176, 175, 1, 1, 1] [2018-07-23 13:44:52,766 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:52,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1867421843, now seen corresponding path program 175 times [2018-07-23 13:44:52,767 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:53,640 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 13:44:53,640 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:53,640 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:44:53,640 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:53,641 INFO L185 omatonBuilderFactory]: Interpolants [143162#false, 143163#(<= ULTIMATE.start_main_~i~4 0), 143161#true, 143166#(<= ULTIMATE.start_main_~i~4 3), 143167#(<= ULTIMATE.start_main_~i~4 4), 143164#(<= ULTIMATE.start_main_~i~4 1), 143165#(<= ULTIMATE.start_main_~i~4 2), 143170#(<= ULTIMATE.start_main_~i~4 7), 143171#(<= ULTIMATE.start_main_~i~4 8), 143168#(<= ULTIMATE.start_main_~i~4 5), 143169#(<= ULTIMATE.start_main_~i~4 6), 143174#(<= ULTIMATE.start_main_~i~4 11), 143175#(<= ULTIMATE.start_main_~i~4 12), 143172#(<= ULTIMATE.start_main_~i~4 9), 143173#(<= ULTIMATE.start_main_~i~4 10), 143178#(<= ULTIMATE.start_main_~i~4 15), 143179#(<= ULTIMATE.start_main_~i~4 16), 143176#(<= ULTIMATE.start_main_~i~4 13), 143177#(<= ULTIMATE.start_main_~i~4 14), 143182#(<= ULTIMATE.start_main_~i~4 19), 143183#(<= ULTIMATE.start_main_~i~4 20), 143180#(<= ULTIMATE.start_main_~i~4 17), 143181#(<= ULTIMATE.start_main_~i~4 18), 143186#(<= ULTIMATE.start_main_~i~4 23), 143187#(<= ULTIMATE.start_main_~i~4 24), 143184#(<= ULTIMATE.start_main_~i~4 21), 143185#(<= ULTIMATE.start_main_~i~4 22), 143190#(<= ULTIMATE.start_main_~i~4 27), 143191#(<= ULTIMATE.start_main_~i~4 28), 143188#(<= ULTIMATE.start_main_~i~4 25), 143189#(<= ULTIMATE.start_main_~i~4 26), 143194#(<= ULTIMATE.start_main_~i~4 31), 143195#(<= ULTIMATE.start_main_~i~4 32), 143192#(<= ULTIMATE.start_main_~i~4 29), 143193#(<= ULTIMATE.start_main_~i~4 30), 143198#(<= ULTIMATE.start_main_~i~4 35), 143199#(<= ULTIMATE.start_main_~i~4 36), 143196#(<= ULTIMATE.start_main_~i~4 33), 143197#(<= ULTIMATE.start_main_~i~4 34), 143202#(<= ULTIMATE.start_main_~i~4 39), 143203#(<= ULTIMATE.start_main_~i~4 40), 143200#(<= ULTIMATE.start_main_~i~4 37), 143201#(<= ULTIMATE.start_main_~i~4 38), 143206#(<= ULTIMATE.start_main_~i~4 43), 143207#(<= ULTIMATE.start_main_~i~4 44), 143204#(<= ULTIMATE.start_main_~i~4 41), 143205#(<= ULTIMATE.start_main_~i~4 42), 143210#(<= ULTIMATE.start_main_~i~4 47), 143211#(<= ULTIMATE.start_main_~i~4 48), 143208#(<= ULTIMATE.start_main_~i~4 45), 143209#(<= ULTIMATE.start_main_~i~4 46), 143214#(<= ULTIMATE.start_main_~i~4 51), 143215#(<= ULTIMATE.start_main_~i~4 52), 143212#(<= ULTIMATE.start_main_~i~4 49), 143213#(<= ULTIMATE.start_main_~i~4 50), 143218#(<= ULTIMATE.start_main_~i~4 55), 143219#(<= ULTIMATE.start_main_~i~4 56), 143216#(<= ULTIMATE.start_main_~i~4 53), 143217#(<= ULTIMATE.start_main_~i~4 54), 143222#(<= ULTIMATE.start_main_~i~4 59), 143223#(<= ULTIMATE.start_main_~i~4 60), 143220#(<= ULTIMATE.start_main_~i~4 57), 143221#(<= ULTIMATE.start_main_~i~4 58), 143226#(<= ULTIMATE.start_main_~i~4 63), 143227#(<= ULTIMATE.start_main_~i~4 64), 143224#(<= ULTIMATE.start_main_~i~4 61), 143225#(<= ULTIMATE.start_main_~i~4 62), 143230#(<= ULTIMATE.start_main_~i~4 67), 143231#(<= ULTIMATE.start_main_~i~4 68), 143228#(<= ULTIMATE.start_main_~i~4 65), 143229#(<= ULTIMATE.start_main_~i~4 66), 143234#(<= ULTIMATE.start_main_~i~4 71), 143235#(<= ULTIMATE.start_main_~i~4 72), 143232#(<= ULTIMATE.start_main_~i~4 69), 143233#(<= ULTIMATE.start_main_~i~4 70), 143238#(<= ULTIMATE.start_main_~i~4 75), 143239#(<= ULTIMATE.start_main_~i~4 76), 143236#(<= ULTIMATE.start_main_~i~4 73), 143237#(<= ULTIMATE.start_main_~i~4 74), 143242#(<= ULTIMATE.start_main_~i~4 79), 143243#(<= ULTIMATE.start_main_~i~4 80), 143240#(<= ULTIMATE.start_main_~i~4 77), 143241#(<= ULTIMATE.start_main_~i~4 78), 143246#(<= ULTIMATE.start_main_~i~4 83), 143247#(<= ULTIMATE.start_main_~i~4 84), 143244#(<= ULTIMATE.start_main_~i~4 81), 143245#(<= ULTIMATE.start_main_~i~4 82), 143250#(<= ULTIMATE.start_main_~i~4 87), 143251#(<= ULTIMATE.start_main_~i~4 88), 143248#(<= ULTIMATE.start_main_~i~4 85), 143249#(<= ULTIMATE.start_main_~i~4 86), 143254#(<= ULTIMATE.start_main_~i~4 91), 143255#(<= ULTIMATE.start_main_~i~4 92), 143252#(<= ULTIMATE.start_main_~i~4 89), 143253#(<= ULTIMATE.start_main_~i~4 90), 143258#(<= ULTIMATE.start_main_~i~4 95), 143259#(<= ULTIMATE.start_main_~i~4 96), 143256#(<= ULTIMATE.start_main_~i~4 93), 143257#(<= ULTIMATE.start_main_~i~4 94), 143262#(<= ULTIMATE.start_main_~i~4 99), 143263#(<= ULTIMATE.start_main_~i~4 100), 143260#(<= ULTIMATE.start_main_~i~4 97), 143261#(<= ULTIMATE.start_main_~i~4 98), 143266#(<= ULTIMATE.start_main_~i~4 103), 143267#(<= ULTIMATE.start_main_~i~4 104), 143264#(<= ULTIMATE.start_main_~i~4 101), 143265#(<= ULTIMATE.start_main_~i~4 102), 143270#(<= ULTIMATE.start_main_~i~4 107), 143271#(<= ULTIMATE.start_main_~i~4 108), 143268#(<= ULTIMATE.start_main_~i~4 105), 143269#(<= ULTIMATE.start_main_~i~4 106), 143274#(<= ULTIMATE.start_main_~i~4 111), 143275#(<= ULTIMATE.start_main_~i~4 112), 143272#(<= ULTIMATE.start_main_~i~4 109), 143273#(<= ULTIMATE.start_main_~i~4 110), 143278#(<= ULTIMATE.start_main_~i~4 115), 143279#(<= ULTIMATE.start_main_~i~4 116), 143276#(<= ULTIMATE.start_main_~i~4 113), 143277#(<= ULTIMATE.start_main_~i~4 114), 143282#(<= ULTIMATE.start_main_~i~4 119), 143283#(<= ULTIMATE.start_main_~i~4 120), 143280#(<= ULTIMATE.start_main_~i~4 117), 143281#(<= ULTIMATE.start_main_~i~4 118), 143286#(<= ULTIMATE.start_main_~i~4 123), 143287#(<= ULTIMATE.start_main_~i~4 124), 143284#(<= ULTIMATE.start_main_~i~4 121), 143285#(<= ULTIMATE.start_main_~i~4 122), 143290#(<= ULTIMATE.start_main_~i~4 127), 143291#(<= ULTIMATE.start_main_~i~4 128), 143288#(<= ULTIMATE.start_main_~i~4 125), 143289#(<= ULTIMATE.start_main_~i~4 126), 143294#(<= ULTIMATE.start_main_~i~4 131), 143295#(<= ULTIMATE.start_main_~i~4 132), 143292#(<= ULTIMATE.start_main_~i~4 129), 143293#(<= ULTIMATE.start_main_~i~4 130), 143298#(<= ULTIMATE.start_main_~i~4 135), 143299#(<= ULTIMATE.start_main_~i~4 136), 143296#(<= ULTIMATE.start_main_~i~4 133), 143297#(<= ULTIMATE.start_main_~i~4 134), 143302#(<= ULTIMATE.start_main_~i~4 139), 143303#(<= ULTIMATE.start_main_~i~4 140), 143300#(<= ULTIMATE.start_main_~i~4 137), 143301#(<= ULTIMATE.start_main_~i~4 138), 143306#(<= ULTIMATE.start_main_~i~4 143), 143307#(<= ULTIMATE.start_main_~i~4 144), 143304#(<= ULTIMATE.start_main_~i~4 141), 143305#(<= ULTIMATE.start_main_~i~4 142), 143310#(<= ULTIMATE.start_main_~i~4 147), 143311#(<= ULTIMATE.start_main_~i~4 148), 143308#(<= ULTIMATE.start_main_~i~4 145), 143309#(<= ULTIMATE.start_main_~i~4 146), 143314#(<= ULTIMATE.start_main_~i~4 151), 143315#(<= ULTIMATE.start_main_~i~4 152), 143312#(<= ULTIMATE.start_main_~i~4 149), 143313#(<= ULTIMATE.start_main_~i~4 150), 143318#(<= ULTIMATE.start_main_~i~4 155), 143319#(<= ULTIMATE.start_main_~i~4 156), 143316#(<= ULTIMATE.start_main_~i~4 153), 143317#(<= ULTIMATE.start_main_~i~4 154), 143322#(<= ULTIMATE.start_main_~i~4 159), 143323#(<= ULTIMATE.start_main_~i~4 160), 143320#(<= ULTIMATE.start_main_~i~4 157), 143321#(<= ULTIMATE.start_main_~i~4 158), 143326#(<= ULTIMATE.start_main_~i~4 163), 143327#(<= ULTIMATE.start_main_~i~4 164), 143324#(<= ULTIMATE.start_main_~i~4 161), 143325#(<= ULTIMATE.start_main_~i~4 162), 143330#(<= ULTIMATE.start_main_~i~4 167), 143331#(<= ULTIMATE.start_main_~i~4 168), 143328#(<= ULTIMATE.start_main_~i~4 165), 143329#(<= ULTIMATE.start_main_~i~4 166), 143334#(<= ULTIMATE.start_main_~i~4 171), 143335#(<= ULTIMATE.start_main_~i~4 172), 143332#(<= ULTIMATE.start_main_~i~4 169), 143333#(<= ULTIMATE.start_main_~i~4 170), 143338#(<= ULTIMATE.start_main_~i~4 175), 143336#(<= ULTIMATE.start_main_~i~4 173), 143337#(<= ULTIMATE.start_main_~i~4 174)] [2018-07-23 13:44:53,642 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 13:44:53,643 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:44:53,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:44:53,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:44:53,646 INFO L87 Difference]: Start difference. First operand 355 states and 355 transitions. Second operand 178 states. [2018-07-23 13:44:55,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,134 INFO L93 Difference]: Finished difference Result 359 states and 359 transitions. [2018-07-23 13:44:55,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:44:55,134 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 354 [2018-07-23 13:44:55,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,134 INFO L225 Difference]: With dead ends: 359 [2018-07-23 13:44:55,134 INFO L226 Difference]: Without dead ends: 357 [2018-07-23 13:44:55,137 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 13:44:55,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-07-23 13:44:55,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2018-07-23 13:44:55,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-07-23 13:44:55,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 357 transitions. [2018-07-23 13:44:55,141 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 357 transitions. Word has length 354 [2018-07-23 13:44:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,142 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 357 transitions. [2018-07-23 13:44:55,142 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:44:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 357 transitions. [2018-07-23 13:44:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-07-23 13:44:55,143 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,143 INFO L357 BasicCegarLoop]: trace histogram [177, 176, 1, 1, 1] [2018-07-23 13:44:55,143 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,143 INFO L82 PathProgramCache]: Analyzing trace with hash 703990695, now seen corresponding path program 176 times [2018-07-23 13:44:55,143 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,077 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 13:44:56,078 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,078 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:44:56,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,079 INFO L185 omatonBuilderFactory]: Interpolants [144898#(<= ULTIMATE.start_main_~i~4 125), 144899#(<= ULTIMATE.start_main_~i~4 126), 144896#(<= ULTIMATE.start_main_~i~4 123), 144897#(<= ULTIMATE.start_main_~i~4 124), 144902#(<= ULTIMATE.start_main_~i~4 129), 144903#(<= ULTIMATE.start_main_~i~4 130), 144900#(<= ULTIMATE.start_main_~i~4 127), 144901#(<= ULTIMATE.start_main_~i~4 128), 144906#(<= ULTIMATE.start_main_~i~4 133), 144907#(<= ULTIMATE.start_main_~i~4 134), 144904#(<= ULTIMATE.start_main_~i~4 131), 144905#(<= ULTIMATE.start_main_~i~4 132), 144910#(<= ULTIMATE.start_main_~i~4 137), 144911#(<= ULTIMATE.start_main_~i~4 138), 144908#(<= ULTIMATE.start_main_~i~4 135), 144909#(<= ULTIMATE.start_main_~i~4 136), 144914#(<= ULTIMATE.start_main_~i~4 141), 144915#(<= ULTIMATE.start_main_~i~4 142), 144912#(<= ULTIMATE.start_main_~i~4 139), 144913#(<= ULTIMATE.start_main_~i~4 140), 144918#(<= ULTIMATE.start_main_~i~4 145), 144919#(<= ULTIMATE.start_main_~i~4 146), 144916#(<= ULTIMATE.start_main_~i~4 143), 144917#(<= ULTIMATE.start_main_~i~4 144), 144922#(<= ULTIMATE.start_main_~i~4 149), 144923#(<= ULTIMATE.start_main_~i~4 150), 144920#(<= ULTIMATE.start_main_~i~4 147), 144921#(<= ULTIMATE.start_main_~i~4 148), 144926#(<= ULTIMATE.start_main_~i~4 153), 144927#(<= ULTIMATE.start_main_~i~4 154), 144924#(<= ULTIMATE.start_main_~i~4 151), 144925#(<= ULTIMATE.start_main_~i~4 152), 144930#(<= ULTIMATE.start_main_~i~4 157), 144931#(<= ULTIMATE.start_main_~i~4 158), 144928#(<= ULTIMATE.start_main_~i~4 155), 144929#(<= ULTIMATE.start_main_~i~4 156), 144934#(<= ULTIMATE.start_main_~i~4 161), 144935#(<= ULTIMATE.start_main_~i~4 162), 144932#(<= ULTIMATE.start_main_~i~4 159), 144933#(<= ULTIMATE.start_main_~i~4 160), 144938#(<= ULTIMATE.start_main_~i~4 165), 144939#(<= ULTIMATE.start_main_~i~4 166), 144936#(<= ULTIMATE.start_main_~i~4 163), 144937#(<= ULTIMATE.start_main_~i~4 164), 144942#(<= ULTIMATE.start_main_~i~4 169), 144943#(<= ULTIMATE.start_main_~i~4 170), 144940#(<= ULTIMATE.start_main_~i~4 167), 144941#(<= ULTIMATE.start_main_~i~4 168), 144946#(<= ULTIMATE.start_main_~i~4 173), 144947#(<= ULTIMATE.start_main_~i~4 174), 144944#(<= ULTIMATE.start_main_~i~4 171), 144945#(<= ULTIMATE.start_main_~i~4 172), 144948#(<= ULTIMATE.start_main_~i~4 175), 144949#(<= ULTIMATE.start_main_~i~4 176), 144771#true, 144774#(<= ULTIMATE.start_main_~i~4 1), 144775#(<= ULTIMATE.start_main_~i~4 2), 144772#false, 144773#(<= ULTIMATE.start_main_~i~4 0), 144778#(<= ULTIMATE.start_main_~i~4 5), 144779#(<= ULTIMATE.start_main_~i~4 6), 144776#(<= ULTIMATE.start_main_~i~4 3), 144777#(<= ULTIMATE.start_main_~i~4 4), 144782#(<= ULTIMATE.start_main_~i~4 9), 144783#(<= ULTIMATE.start_main_~i~4 10), 144780#(<= ULTIMATE.start_main_~i~4 7), 144781#(<= ULTIMATE.start_main_~i~4 8), 144786#(<= ULTIMATE.start_main_~i~4 13), 144787#(<= ULTIMATE.start_main_~i~4 14), 144784#(<= ULTIMATE.start_main_~i~4 11), 144785#(<= ULTIMATE.start_main_~i~4 12), 144790#(<= ULTIMATE.start_main_~i~4 17), 144791#(<= ULTIMATE.start_main_~i~4 18), 144788#(<= ULTIMATE.start_main_~i~4 15), 144789#(<= ULTIMATE.start_main_~i~4 16), 144794#(<= ULTIMATE.start_main_~i~4 21), 144795#(<= ULTIMATE.start_main_~i~4 22), 144792#(<= ULTIMATE.start_main_~i~4 19), 144793#(<= ULTIMATE.start_main_~i~4 20), 144798#(<= ULTIMATE.start_main_~i~4 25), 144799#(<= ULTIMATE.start_main_~i~4 26), 144796#(<= ULTIMATE.start_main_~i~4 23), 144797#(<= ULTIMATE.start_main_~i~4 24), 144802#(<= ULTIMATE.start_main_~i~4 29), 144803#(<= ULTIMATE.start_main_~i~4 30), 144800#(<= ULTIMATE.start_main_~i~4 27), 144801#(<= ULTIMATE.start_main_~i~4 28), 144806#(<= ULTIMATE.start_main_~i~4 33), 144807#(<= ULTIMATE.start_main_~i~4 34), 144804#(<= ULTIMATE.start_main_~i~4 31), 144805#(<= ULTIMATE.start_main_~i~4 32), 144810#(<= ULTIMATE.start_main_~i~4 37), 144811#(<= ULTIMATE.start_main_~i~4 38), 144808#(<= ULTIMATE.start_main_~i~4 35), 144809#(<= ULTIMATE.start_main_~i~4 36), 144814#(<= ULTIMATE.start_main_~i~4 41), 144815#(<= ULTIMATE.start_main_~i~4 42), 144812#(<= ULTIMATE.start_main_~i~4 39), 144813#(<= ULTIMATE.start_main_~i~4 40), 144818#(<= ULTIMATE.start_main_~i~4 45), 144819#(<= ULTIMATE.start_main_~i~4 46), 144816#(<= ULTIMATE.start_main_~i~4 43), 144817#(<= ULTIMATE.start_main_~i~4 44), 144822#(<= ULTIMATE.start_main_~i~4 49), 144823#(<= ULTIMATE.start_main_~i~4 50), 144820#(<= ULTIMATE.start_main_~i~4 47), 144821#(<= ULTIMATE.start_main_~i~4 48), 144826#(<= ULTIMATE.start_main_~i~4 53), 144827#(<= ULTIMATE.start_main_~i~4 54), 144824#(<= ULTIMATE.start_main_~i~4 51), 144825#(<= ULTIMATE.start_main_~i~4 52), 144830#(<= ULTIMATE.start_main_~i~4 57), 144831#(<= ULTIMATE.start_main_~i~4 58), 144828#(<= ULTIMATE.start_main_~i~4 55), 144829#(<= ULTIMATE.start_main_~i~4 56), 144834#(<= ULTIMATE.start_main_~i~4 61), 144835#(<= ULTIMATE.start_main_~i~4 62), 144832#(<= ULTIMATE.start_main_~i~4 59), 144833#(<= ULTIMATE.start_main_~i~4 60), 144838#(<= ULTIMATE.start_main_~i~4 65), 144839#(<= ULTIMATE.start_main_~i~4 66), 144836#(<= ULTIMATE.start_main_~i~4 63), 144837#(<= ULTIMATE.start_main_~i~4 64), 144842#(<= ULTIMATE.start_main_~i~4 69), 144843#(<= ULTIMATE.start_main_~i~4 70), 144840#(<= ULTIMATE.start_main_~i~4 67), 144841#(<= ULTIMATE.start_main_~i~4 68), 144846#(<= ULTIMATE.start_main_~i~4 73), 144847#(<= ULTIMATE.start_main_~i~4 74), 144844#(<= ULTIMATE.start_main_~i~4 71), 144845#(<= ULTIMATE.start_main_~i~4 72), 144850#(<= ULTIMATE.start_main_~i~4 77), 144851#(<= ULTIMATE.start_main_~i~4 78), 144848#(<= ULTIMATE.start_main_~i~4 75), 144849#(<= ULTIMATE.start_main_~i~4 76), 144854#(<= ULTIMATE.start_main_~i~4 81), 144855#(<= ULTIMATE.start_main_~i~4 82), 144852#(<= ULTIMATE.start_main_~i~4 79), 144853#(<= ULTIMATE.start_main_~i~4 80), 144858#(<= ULTIMATE.start_main_~i~4 85), 144859#(<= ULTIMATE.start_main_~i~4 86), 144856#(<= ULTIMATE.start_main_~i~4 83), 144857#(<= ULTIMATE.start_main_~i~4 84), 144862#(<= ULTIMATE.start_main_~i~4 89), 144863#(<= ULTIMATE.start_main_~i~4 90), 144860#(<= ULTIMATE.start_main_~i~4 87), 144861#(<= ULTIMATE.start_main_~i~4 88), 144866#(<= ULTIMATE.start_main_~i~4 93), 144867#(<= ULTIMATE.start_main_~i~4 94), 144864#(<= ULTIMATE.start_main_~i~4 91), 144865#(<= ULTIMATE.start_main_~i~4 92), 144870#(<= ULTIMATE.start_main_~i~4 97), 144871#(<= ULTIMATE.start_main_~i~4 98), 144868#(<= ULTIMATE.start_main_~i~4 95), 144869#(<= ULTIMATE.start_main_~i~4 96), 144874#(<= ULTIMATE.start_main_~i~4 101), 144875#(<= ULTIMATE.start_main_~i~4 102), 144872#(<= ULTIMATE.start_main_~i~4 99), 144873#(<= ULTIMATE.start_main_~i~4 100), 144878#(<= ULTIMATE.start_main_~i~4 105), 144879#(<= ULTIMATE.start_main_~i~4 106), 144876#(<= ULTIMATE.start_main_~i~4 103), 144877#(<= ULTIMATE.start_main_~i~4 104), 144882#(<= ULTIMATE.start_main_~i~4 109), 144883#(<= ULTIMATE.start_main_~i~4 110), 144880#(<= ULTIMATE.start_main_~i~4 107), 144881#(<= ULTIMATE.start_main_~i~4 108), 144886#(<= ULTIMATE.start_main_~i~4 113), 144887#(<= ULTIMATE.start_main_~i~4 114), 144884#(<= ULTIMATE.start_main_~i~4 111), 144885#(<= ULTIMATE.start_main_~i~4 112), 144890#(<= ULTIMATE.start_main_~i~4 117), 144891#(<= ULTIMATE.start_main_~i~4 118), 144888#(<= ULTIMATE.start_main_~i~4 115), 144889#(<= ULTIMATE.start_main_~i~4 116), 144894#(<= ULTIMATE.start_main_~i~4 121), 144895#(<= ULTIMATE.start_main_~i~4 122), 144892#(<= ULTIMATE.start_main_~i~4 119), 144893#(<= ULTIMATE.start_main_~i~4 120)] [2018-07-23 13:44:56,080 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 13:44:56,081 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:44:56,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:44:56,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:44:56,086 INFO L87 Difference]: Start difference. First operand 357 states and 357 transitions. Second operand 179 states. [2018-07-23 13:44:56,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:56,674 INFO L93 Difference]: Finished difference Result 361 states and 361 transitions. [2018-07-23 13:44:56,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:44:56,674 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 356 [2018-07-23 13:44:56,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:56,675 INFO L225 Difference]: With dead ends: 361 [2018-07-23 13:44:56,675 INFO L226 Difference]: Without dead ends: 359 [2018-07-23 13:44:56,678 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 13:44:56,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-07-23 13:44:56,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-07-23 13:44:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-07-23 13:44:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 359 transitions. [2018-07-23 13:44:56,682 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 359 transitions. Word has length 356 [2018-07-23 13:44:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:56,682 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 359 transitions. [2018-07-23 13:44:56,682 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:44:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 359 transitions. [2018-07-23 13:44:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-07-23 13:44:56,683 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:56,683 INFO L357 BasicCegarLoop]: trace histogram [178, 177, 1, 1, 1] [2018-07-23 13:44:56,683 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:56,683 INFO L82 PathProgramCache]: Analyzing trace with hash -2069722783, now seen corresponding path program 177 times [2018-07-23 13:44:56,684 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:57,649 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 13:44:57,650 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:57,650 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:44:57,650 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:57,651 INFO L185 omatonBuilderFactory]: Interpolants [146434#(<= ULTIMATE.start_main_~i~4 42), 146435#(<= ULTIMATE.start_main_~i~4 43), 146432#(<= ULTIMATE.start_main_~i~4 40), 146433#(<= ULTIMATE.start_main_~i~4 41), 146438#(<= ULTIMATE.start_main_~i~4 46), 146439#(<= ULTIMATE.start_main_~i~4 47), 146436#(<= ULTIMATE.start_main_~i~4 44), 146437#(<= ULTIMATE.start_main_~i~4 45), 146442#(<= ULTIMATE.start_main_~i~4 50), 146443#(<= ULTIMATE.start_main_~i~4 51), 146440#(<= ULTIMATE.start_main_~i~4 48), 146441#(<= ULTIMATE.start_main_~i~4 49), 146446#(<= ULTIMATE.start_main_~i~4 54), 146447#(<= ULTIMATE.start_main_~i~4 55), 146444#(<= ULTIMATE.start_main_~i~4 52), 146445#(<= ULTIMATE.start_main_~i~4 53), 146450#(<= ULTIMATE.start_main_~i~4 58), 146451#(<= ULTIMATE.start_main_~i~4 59), 146448#(<= ULTIMATE.start_main_~i~4 56), 146449#(<= ULTIMATE.start_main_~i~4 57), 146454#(<= ULTIMATE.start_main_~i~4 62), 146455#(<= ULTIMATE.start_main_~i~4 63), 146452#(<= ULTIMATE.start_main_~i~4 60), 146453#(<= ULTIMATE.start_main_~i~4 61), 146458#(<= ULTIMATE.start_main_~i~4 66), 146459#(<= ULTIMATE.start_main_~i~4 67), 146456#(<= ULTIMATE.start_main_~i~4 64), 146457#(<= ULTIMATE.start_main_~i~4 65), 146462#(<= ULTIMATE.start_main_~i~4 70), 146463#(<= ULTIMATE.start_main_~i~4 71), 146460#(<= ULTIMATE.start_main_~i~4 68), 146461#(<= ULTIMATE.start_main_~i~4 69), 146466#(<= ULTIMATE.start_main_~i~4 74), 146467#(<= ULTIMATE.start_main_~i~4 75), 146464#(<= ULTIMATE.start_main_~i~4 72), 146465#(<= ULTIMATE.start_main_~i~4 73), 146470#(<= ULTIMATE.start_main_~i~4 78), 146471#(<= ULTIMATE.start_main_~i~4 79), 146468#(<= ULTIMATE.start_main_~i~4 76), 146469#(<= ULTIMATE.start_main_~i~4 77), 146474#(<= ULTIMATE.start_main_~i~4 82), 146475#(<= ULTIMATE.start_main_~i~4 83), 146472#(<= ULTIMATE.start_main_~i~4 80), 146473#(<= ULTIMATE.start_main_~i~4 81), 146478#(<= ULTIMATE.start_main_~i~4 86), 146479#(<= ULTIMATE.start_main_~i~4 87), 146476#(<= ULTIMATE.start_main_~i~4 84), 146477#(<= ULTIMATE.start_main_~i~4 85), 146482#(<= ULTIMATE.start_main_~i~4 90), 146483#(<= ULTIMATE.start_main_~i~4 91), 146480#(<= ULTIMATE.start_main_~i~4 88), 146481#(<= ULTIMATE.start_main_~i~4 89), 146486#(<= ULTIMATE.start_main_~i~4 94), 146487#(<= ULTIMATE.start_main_~i~4 95), 146484#(<= ULTIMATE.start_main_~i~4 92), 146485#(<= ULTIMATE.start_main_~i~4 93), 146490#(<= ULTIMATE.start_main_~i~4 98), 146491#(<= ULTIMATE.start_main_~i~4 99), 146488#(<= ULTIMATE.start_main_~i~4 96), 146489#(<= ULTIMATE.start_main_~i~4 97), 146494#(<= ULTIMATE.start_main_~i~4 102), 146495#(<= ULTIMATE.start_main_~i~4 103), 146492#(<= ULTIMATE.start_main_~i~4 100), 146493#(<= ULTIMATE.start_main_~i~4 101), 146498#(<= ULTIMATE.start_main_~i~4 106), 146499#(<= ULTIMATE.start_main_~i~4 107), 146496#(<= ULTIMATE.start_main_~i~4 104), 146497#(<= ULTIMATE.start_main_~i~4 105), 146502#(<= ULTIMATE.start_main_~i~4 110), 146503#(<= ULTIMATE.start_main_~i~4 111), 146500#(<= ULTIMATE.start_main_~i~4 108), 146501#(<= ULTIMATE.start_main_~i~4 109), 146506#(<= ULTIMATE.start_main_~i~4 114), 146507#(<= ULTIMATE.start_main_~i~4 115), 146504#(<= ULTIMATE.start_main_~i~4 112), 146505#(<= ULTIMATE.start_main_~i~4 113), 146510#(<= ULTIMATE.start_main_~i~4 118), 146511#(<= ULTIMATE.start_main_~i~4 119), 146508#(<= ULTIMATE.start_main_~i~4 116), 146509#(<= ULTIMATE.start_main_~i~4 117), 146514#(<= ULTIMATE.start_main_~i~4 122), 146515#(<= ULTIMATE.start_main_~i~4 123), 146512#(<= ULTIMATE.start_main_~i~4 120), 146513#(<= ULTIMATE.start_main_~i~4 121), 146518#(<= ULTIMATE.start_main_~i~4 126), 146519#(<= ULTIMATE.start_main_~i~4 127), 146516#(<= ULTIMATE.start_main_~i~4 124), 146517#(<= ULTIMATE.start_main_~i~4 125), 146522#(<= ULTIMATE.start_main_~i~4 130), 146523#(<= ULTIMATE.start_main_~i~4 131), 146520#(<= ULTIMATE.start_main_~i~4 128), 146521#(<= ULTIMATE.start_main_~i~4 129), 146526#(<= ULTIMATE.start_main_~i~4 134), 146527#(<= ULTIMATE.start_main_~i~4 135), 146524#(<= ULTIMATE.start_main_~i~4 132), 146525#(<= ULTIMATE.start_main_~i~4 133), 146530#(<= ULTIMATE.start_main_~i~4 138), 146531#(<= ULTIMATE.start_main_~i~4 139), 146528#(<= ULTIMATE.start_main_~i~4 136), 146529#(<= ULTIMATE.start_main_~i~4 137), 146534#(<= ULTIMATE.start_main_~i~4 142), 146535#(<= ULTIMATE.start_main_~i~4 143), 146532#(<= ULTIMATE.start_main_~i~4 140), 146533#(<= ULTIMATE.start_main_~i~4 141), 146538#(<= ULTIMATE.start_main_~i~4 146), 146539#(<= ULTIMATE.start_main_~i~4 147), 146536#(<= ULTIMATE.start_main_~i~4 144), 146537#(<= ULTIMATE.start_main_~i~4 145), 146542#(<= ULTIMATE.start_main_~i~4 150), 146543#(<= ULTIMATE.start_main_~i~4 151), 146540#(<= ULTIMATE.start_main_~i~4 148), 146541#(<= ULTIMATE.start_main_~i~4 149), 146546#(<= ULTIMATE.start_main_~i~4 154), 146547#(<= ULTIMATE.start_main_~i~4 155), 146544#(<= ULTIMATE.start_main_~i~4 152), 146545#(<= ULTIMATE.start_main_~i~4 153), 146550#(<= ULTIMATE.start_main_~i~4 158), 146551#(<= ULTIMATE.start_main_~i~4 159), 146548#(<= ULTIMATE.start_main_~i~4 156), 146549#(<= ULTIMATE.start_main_~i~4 157), 146554#(<= ULTIMATE.start_main_~i~4 162), 146555#(<= ULTIMATE.start_main_~i~4 163), 146552#(<= ULTIMATE.start_main_~i~4 160), 146553#(<= ULTIMATE.start_main_~i~4 161), 146558#(<= ULTIMATE.start_main_~i~4 166), 146559#(<= ULTIMATE.start_main_~i~4 167), 146556#(<= ULTIMATE.start_main_~i~4 164), 146557#(<= ULTIMATE.start_main_~i~4 165), 146562#(<= ULTIMATE.start_main_~i~4 170), 146563#(<= ULTIMATE.start_main_~i~4 171), 146560#(<= ULTIMATE.start_main_~i~4 168), 146561#(<= ULTIMATE.start_main_~i~4 169), 146566#(<= ULTIMATE.start_main_~i~4 174), 146567#(<= ULTIMATE.start_main_~i~4 175), 146564#(<= ULTIMATE.start_main_~i~4 172), 146565#(<= ULTIMATE.start_main_~i~4 173), 146568#(<= ULTIMATE.start_main_~i~4 176), 146569#(<= ULTIMATE.start_main_~i~4 177), 146390#true, 146391#false, 146394#(<= ULTIMATE.start_main_~i~4 2), 146395#(<= ULTIMATE.start_main_~i~4 3), 146392#(<= ULTIMATE.start_main_~i~4 0), 146393#(<= ULTIMATE.start_main_~i~4 1), 146398#(<= ULTIMATE.start_main_~i~4 6), 146399#(<= ULTIMATE.start_main_~i~4 7), 146396#(<= ULTIMATE.start_main_~i~4 4), 146397#(<= ULTIMATE.start_main_~i~4 5), 146402#(<= ULTIMATE.start_main_~i~4 10), 146403#(<= ULTIMATE.start_main_~i~4 11), 146400#(<= ULTIMATE.start_main_~i~4 8), 146401#(<= ULTIMATE.start_main_~i~4 9), 146406#(<= ULTIMATE.start_main_~i~4 14), 146407#(<= ULTIMATE.start_main_~i~4 15), 146404#(<= ULTIMATE.start_main_~i~4 12), 146405#(<= ULTIMATE.start_main_~i~4 13), 146410#(<= ULTIMATE.start_main_~i~4 18), 146411#(<= ULTIMATE.start_main_~i~4 19), 146408#(<= ULTIMATE.start_main_~i~4 16), 146409#(<= ULTIMATE.start_main_~i~4 17), 146414#(<= ULTIMATE.start_main_~i~4 22), 146415#(<= ULTIMATE.start_main_~i~4 23), 146412#(<= ULTIMATE.start_main_~i~4 20), 146413#(<= ULTIMATE.start_main_~i~4 21), 146418#(<= ULTIMATE.start_main_~i~4 26), 146419#(<= ULTIMATE.start_main_~i~4 27), 146416#(<= ULTIMATE.start_main_~i~4 24), 146417#(<= ULTIMATE.start_main_~i~4 25), 146422#(<= ULTIMATE.start_main_~i~4 30), 146423#(<= ULTIMATE.start_main_~i~4 31), 146420#(<= ULTIMATE.start_main_~i~4 28), 146421#(<= ULTIMATE.start_main_~i~4 29), 146426#(<= ULTIMATE.start_main_~i~4 34), 146427#(<= ULTIMATE.start_main_~i~4 35), 146424#(<= ULTIMATE.start_main_~i~4 32), 146425#(<= ULTIMATE.start_main_~i~4 33), 146430#(<= ULTIMATE.start_main_~i~4 38), 146431#(<= ULTIMATE.start_main_~i~4 39), 146428#(<= ULTIMATE.start_main_~i~4 36), 146429#(<= ULTIMATE.start_main_~i~4 37)] [2018-07-23 13:44:57,652 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 13:44:57,652 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:44:57,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:44:57,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:44:57,656 INFO L87 Difference]: Start difference. First operand 359 states and 359 transitions. Second operand 180 states. [2018-07-23 13:44:58,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:58,679 INFO L93 Difference]: Finished difference Result 363 states and 363 transitions. [2018-07-23 13:44:58,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:44:58,680 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 358 [2018-07-23 13:44:58,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:58,680 INFO L225 Difference]: With dead ends: 363 [2018-07-23 13:44:58,680 INFO L226 Difference]: Without dead ends: 361 [2018-07-23 13:44:58,682 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 13:44:58,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-23 13:44:58,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-07-23 13:44:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-07-23 13:44:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 361 transitions. [2018-07-23 13:44:58,685 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 361 transitions. Word has length 358 [2018-07-23 13:44:58,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:58,686 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 361 transitions. [2018-07-23 13:44:58,686 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:44:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 361 transitions. [2018-07-23 13:44:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-07-23 13:44:58,687 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:58,687 INFO L357 BasicCegarLoop]: trace histogram [179, 178, 1, 1, 1] [2018-07-23 13:44:58,687 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:58,687 INFO L82 PathProgramCache]: Analyzing trace with hash -433684325, now seen corresponding path program 178 times [2018-07-23 13:44:58,687 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:59,589 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 13:44:59,590 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:59,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:44:59,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:59,591 INFO L185 omatonBuilderFactory]: Interpolants [148018#true, 148019#false, 148022#(<= ULTIMATE.start_main_~i~4 2), 148023#(<= ULTIMATE.start_main_~i~4 3), 148020#(<= ULTIMATE.start_main_~i~4 0), 148021#(<= ULTIMATE.start_main_~i~4 1), 148026#(<= ULTIMATE.start_main_~i~4 6), 148027#(<= ULTIMATE.start_main_~i~4 7), 148024#(<= ULTIMATE.start_main_~i~4 4), 148025#(<= ULTIMATE.start_main_~i~4 5), 148030#(<= ULTIMATE.start_main_~i~4 10), 148031#(<= ULTIMATE.start_main_~i~4 11), 148028#(<= ULTIMATE.start_main_~i~4 8), 148029#(<= ULTIMATE.start_main_~i~4 9), 148034#(<= ULTIMATE.start_main_~i~4 14), 148035#(<= ULTIMATE.start_main_~i~4 15), 148032#(<= ULTIMATE.start_main_~i~4 12), 148033#(<= ULTIMATE.start_main_~i~4 13), 148038#(<= ULTIMATE.start_main_~i~4 18), 148039#(<= ULTIMATE.start_main_~i~4 19), 148036#(<= ULTIMATE.start_main_~i~4 16), 148037#(<= ULTIMATE.start_main_~i~4 17), 148042#(<= ULTIMATE.start_main_~i~4 22), 148043#(<= ULTIMATE.start_main_~i~4 23), 148040#(<= ULTIMATE.start_main_~i~4 20), 148041#(<= ULTIMATE.start_main_~i~4 21), 148046#(<= ULTIMATE.start_main_~i~4 26), 148047#(<= ULTIMATE.start_main_~i~4 27), 148044#(<= ULTIMATE.start_main_~i~4 24), 148045#(<= ULTIMATE.start_main_~i~4 25), 148050#(<= ULTIMATE.start_main_~i~4 30), 148051#(<= ULTIMATE.start_main_~i~4 31), 148048#(<= ULTIMATE.start_main_~i~4 28), 148049#(<= ULTIMATE.start_main_~i~4 29), 148054#(<= ULTIMATE.start_main_~i~4 34), 148055#(<= ULTIMATE.start_main_~i~4 35), 148052#(<= ULTIMATE.start_main_~i~4 32), 148053#(<= ULTIMATE.start_main_~i~4 33), 148058#(<= ULTIMATE.start_main_~i~4 38), 148059#(<= ULTIMATE.start_main_~i~4 39), 148056#(<= ULTIMATE.start_main_~i~4 36), 148057#(<= ULTIMATE.start_main_~i~4 37), 148062#(<= ULTIMATE.start_main_~i~4 42), 148063#(<= ULTIMATE.start_main_~i~4 43), 148060#(<= ULTIMATE.start_main_~i~4 40), 148061#(<= ULTIMATE.start_main_~i~4 41), 148066#(<= ULTIMATE.start_main_~i~4 46), 148067#(<= ULTIMATE.start_main_~i~4 47), 148064#(<= ULTIMATE.start_main_~i~4 44), 148065#(<= ULTIMATE.start_main_~i~4 45), 148070#(<= ULTIMATE.start_main_~i~4 50), 148071#(<= ULTIMATE.start_main_~i~4 51), 148068#(<= ULTIMATE.start_main_~i~4 48), 148069#(<= ULTIMATE.start_main_~i~4 49), 148074#(<= ULTIMATE.start_main_~i~4 54), 148075#(<= ULTIMATE.start_main_~i~4 55), 148072#(<= ULTIMATE.start_main_~i~4 52), 148073#(<= ULTIMATE.start_main_~i~4 53), 148078#(<= ULTIMATE.start_main_~i~4 58), 148079#(<= ULTIMATE.start_main_~i~4 59), 148076#(<= ULTIMATE.start_main_~i~4 56), 148077#(<= ULTIMATE.start_main_~i~4 57), 148082#(<= ULTIMATE.start_main_~i~4 62), 148083#(<= ULTIMATE.start_main_~i~4 63), 148080#(<= ULTIMATE.start_main_~i~4 60), 148081#(<= ULTIMATE.start_main_~i~4 61), 148086#(<= ULTIMATE.start_main_~i~4 66), 148087#(<= ULTIMATE.start_main_~i~4 67), 148084#(<= ULTIMATE.start_main_~i~4 64), 148085#(<= ULTIMATE.start_main_~i~4 65), 148090#(<= ULTIMATE.start_main_~i~4 70), 148091#(<= ULTIMATE.start_main_~i~4 71), 148088#(<= ULTIMATE.start_main_~i~4 68), 148089#(<= ULTIMATE.start_main_~i~4 69), 148094#(<= ULTIMATE.start_main_~i~4 74), 148095#(<= ULTIMATE.start_main_~i~4 75), 148092#(<= ULTIMATE.start_main_~i~4 72), 148093#(<= ULTIMATE.start_main_~i~4 73), 148098#(<= ULTIMATE.start_main_~i~4 78), 148099#(<= ULTIMATE.start_main_~i~4 79), 148096#(<= ULTIMATE.start_main_~i~4 76), 148097#(<= ULTIMATE.start_main_~i~4 77), 148102#(<= ULTIMATE.start_main_~i~4 82), 148103#(<= ULTIMATE.start_main_~i~4 83), 148100#(<= ULTIMATE.start_main_~i~4 80), 148101#(<= ULTIMATE.start_main_~i~4 81), 148106#(<= ULTIMATE.start_main_~i~4 86), 148107#(<= ULTIMATE.start_main_~i~4 87), 148104#(<= ULTIMATE.start_main_~i~4 84), 148105#(<= ULTIMATE.start_main_~i~4 85), 148110#(<= ULTIMATE.start_main_~i~4 90), 148111#(<= ULTIMATE.start_main_~i~4 91), 148108#(<= ULTIMATE.start_main_~i~4 88), 148109#(<= ULTIMATE.start_main_~i~4 89), 148114#(<= ULTIMATE.start_main_~i~4 94), 148115#(<= ULTIMATE.start_main_~i~4 95), 148112#(<= ULTIMATE.start_main_~i~4 92), 148113#(<= ULTIMATE.start_main_~i~4 93), 148118#(<= ULTIMATE.start_main_~i~4 98), 148119#(<= ULTIMATE.start_main_~i~4 99), 148116#(<= ULTIMATE.start_main_~i~4 96), 148117#(<= ULTIMATE.start_main_~i~4 97), 148122#(<= ULTIMATE.start_main_~i~4 102), 148123#(<= ULTIMATE.start_main_~i~4 103), 148120#(<= ULTIMATE.start_main_~i~4 100), 148121#(<= ULTIMATE.start_main_~i~4 101), 148126#(<= ULTIMATE.start_main_~i~4 106), 148127#(<= ULTIMATE.start_main_~i~4 107), 148124#(<= ULTIMATE.start_main_~i~4 104), 148125#(<= ULTIMATE.start_main_~i~4 105), 148130#(<= ULTIMATE.start_main_~i~4 110), 148131#(<= ULTIMATE.start_main_~i~4 111), 148128#(<= ULTIMATE.start_main_~i~4 108), 148129#(<= ULTIMATE.start_main_~i~4 109), 148134#(<= ULTIMATE.start_main_~i~4 114), 148135#(<= ULTIMATE.start_main_~i~4 115), 148132#(<= ULTIMATE.start_main_~i~4 112), 148133#(<= ULTIMATE.start_main_~i~4 113), 148138#(<= ULTIMATE.start_main_~i~4 118), 148139#(<= ULTIMATE.start_main_~i~4 119), 148136#(<= ULTIMATE.start_main_~i~4 116), 148137#(<= ULTIMATE.start_main_~i~4 117), 148142#(<= ULTIMATE.start_main_~i~4 122), 148143#(<= ULTIMATE.start_main_~i~4 123), 148140#(<= ULTIMATE.start_main_~i~4 120), 148141#(<= ULTIMATE.start_main_~i~4 121), 148146#(<= ULTIMATE.start_main_~i~4 126), 148147#(<= ULTIMATE.start_main_~i~4 127), 148144#(<= ULTIMATE.start_main_~i~4 124), 148145#(<= ULTIMATE.start_main_~i~4 125), 148150#(<= ULTIMATE.start_main_~i~4 130), 148151#(<= ULTIMATE.start_main_~i~4 131), 148148#(<= ULTIMATE.start_main_~i~4 128), 148149#(<= ULTIMATE.start_main_~i~4 129), 148154#(<= ULTIMATE.start_main_~i~4 134), 148155#(<= ULTIMATE.start_main_~i~4 135), 148152#(<= ULTIMATE.start_main_~i~4 132), 148153#(<= ULTIMATE.start_main_~i~4 133), 148158#(<= ULTIMATE.start_main_~i~4 138), 148159#(<= ULTIMATE.start_main_~i~4 139), 148156#(<= ULTIMATE.start_main_~i~4 136), 148157#(<= ULTIMATE.start_main_~i~4 137), 148162#(<= ULTIMATE.start_main_~i~4 142), 148163#(<= ULTIMATE.start_main_~i~4 143), 148160#(<= ULTIMATE.start_main_~i~4 140), 148161#(<= ULTIMATE.start_main_~i~4 141), 148166#(<= ULTIMATE.start_main_~i~4 146), 148167#(<= ULTIMATE.start_main_~i~4 147), 148164#(<= ULTIMATE.start_main_~i~4 144), 148165#(<= ULTIMATE.start_main_~i~4 145), 148170#(<= ULTIMATE.start_main_~i~4 150), 148171#(<= ULTIMATE.start_main_~i~4 151), 148168#(<= ULTIMATE.start_main_~i~4 148), 148169#(<= ULTIMATE.start_main_~i~4 149), 148174#(<= ULTIMATE.start_main_~i~4 154), 148175#(<= ULTIMATE.start_main_~i~4 155), 148172#(<= ULTIMATE.start_main_~i~4 152), 148173#(<= ULTIMATE.start_main_~i~4 153), 148178#(<= ULTIMATE.start_main_~i~4 158), 148179#(<= ULTIMATE.start_main_~i~4 159), 148176#(<= ULTIMATE.start_main_~i~4 156), 148177#(<= ULTIMATE.start_main_~i~4 157), 148182#(<= ULTIMATE.start_main_~i~4 162), 148183#(<= ULTIMATE.start_main_~i~4 163), 148180#(<= ULTIMATE.start_main_~i~4 160), 148181#(<= ULTIMATE.start_main_~i~4 161), 148186#(<= ULTIMATE.start_main_~i~4 166), 148187#(<= ULTIMATE.start_main_~i~4 167), 148184#(<= ULTIMATE.start_main_~i~4 164), 148185#(<= ULTIMATE.start_main_~i~4 165), 148190#(<= ULTIMATE.start_main_~i~4 170), 148191#(<= ULTIMATE.start_main_~i~4 171), 148188#(<= ULTIMATE.start_main_~i~4 168), 148189#(<= ULTIMATE.start_main_~i~4 169), 148194#(<= ULTIMATE.start_main_~i~4 174), 148195#(<= ULTIMATE.start_main_~i~4 175), 148192#(<= ULTIMATE.start_main_~i~4 172), 148193#(<= ULTIMATE.start_main_~i~4 173), 148198#(<= ULTIMATE.start_main_~i~4 178), 148196#(<= ULTIMATE.start_main_~i~4 176), 148197#(<= ULTIMATE.start_main_~i~4 177)] [2018-07-23 13:44:59,592 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 13:44:59,593 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:44:59,595 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:44:59,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:44:59,598 INFO L87 Difference]: Start difference. First operand 361 states and 361 transitions. Second operand 181 states. [2018-07-23 13:45:01,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:01,236 INFO L93 Difference]: Finished difference Result 365 states and 365 transitions. [2018-07-23 13:45:01,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:45:01,236 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 360 [2018-07-23 13:45:01,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:01,237 INFO L225 Difference]: With dead ends: 365 [2018-07-23 13:45:01,237 INFO L226 Difference]: Without dead ends: 363 [2018-07-23 13:45:01,240 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 13:45:01,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-07-23 13:45:01,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-07-23 13:45:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-07-23 13:45:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 363 transitions. [2018-07-23 13:45:01,243 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 363 transitions. Word has length 360 [2018-07-23 13:45:01,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:01,244 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 363 transitions. [2018-07-23 13:45:01,244 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:45:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 363 transitions. [2018-07-23 13:45:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-07-23 13:45:01,245 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:01,245 INFO L357 BasicCegarLoop]: trace histogram [180, 179, 1, 1, 1] [2018-07-23 13:45:01,245 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:01,246 INFO L82 PathProgramCache]: Analyzing trace with hash -158756523, now seen corresponding path program 179 times [2018-07-23 13:45:01,246 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:02,260 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 13:45:02,260 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:02,260 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:45:02,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:02,261 INFO L185 omatonBuilderFactory]: Interpolants [149762#(<= ULTIMATE.start_main_~i~4 105), 149763#(<= ULTIMATE.start_main_~i~4 106), 149760#(<= ULTIMATE.start_main_~i~4 103), 149761#(<= ULTIMATE.start_main_~i~4 104), 149766#(<= ULTIMATE.start_main_~i~4 109), 149767#(<= ULTIMATE.start_main_~i~4 110), 149764#(<= ULTIMATE.start_main_~i~4 107), 149765#(<= ULTIMATE.start_main_~i~4 108), 149770#(<= ULTIMATE.start_main_~i~4 113), 149771#(<= ULTIMATE.start_main_~i~4 114), 149768#(<= ULTIMATE.start_main_~i~4 111), 149769#(<= ULTIMATE.start_main_~i~4 112), 149774#(<= ULTIMATE.start_main_~i~4 117), 149775#(<= ULTIMATE.start_main_~i~4 118), 149772#(<= ULTIMATE.start_main_~i~4 115), 149773#(<= ULTIMATE.start_main_~i~4 116), 149778#(<= ULTIMATE.start_main_~i~4 121), 149779#(<= ULTIMATE.start_main_~i~4 122), 149776#(<= ULTIMATE.start_main_~i~4 119), 149777#(<= ULTIMATE.start_main_~i~4 120), 149782#(<= ULTIMATE.start_main_~i~4 125), 149783#(<= ULTIMATE.start_main_~i~4 126), 149780#(<= ULTIMATE.start_main_~i~4 123), 149781#(<= ULTIMATE.start_main_~i~4 124), 149786#(<= ULTIMATE.start_main_~i~4 129), 149787#(<= ULTIMATE.start_main_~i~4 130), 149784#(<= ULTIMATE.start_main_~i~4 127), 149785#(<= ULTIMATE.start_main_~i~4 128), 149790#(<= ULTIMATE.start_main_~i~4 133), 149791#(<= ULTIMATE.start_main_~i~4 134), 149788#(<= ULTIMATE.start_main_~i~4 131), 149789#(<= ULTIMATE.start_main_~i~4 132), 149794#(<= ULTIMATE.start_main_~i~4 137), 149795#(<= ULTIMATE.start_main_~i~4 138), 149792#(<= ULTIMATE.start_main_~i~4 135), 149793#(<= ULTIMATE.start_main_~i~4 136), 149798#(<= ULTIMATE.start_main_~i~4 141), 149799#(<= ULTIMATE.start_main_~i~4 142), 149796#(<= ULTIMATE.start_main_~i~4 139), 149797#(<= ULTIMATE.start_main_~i~4 140), 149802#(<= ULTIMATE.start_main_~i~4 145), 149803#(<= ULTIMATE.start_main_~i~4 146), 149800#(<= ULTIMATE.start_main_~i~4 143), 149801#(<= ULTIMATE.start_main_~i~4 144), 149806#(<= ULTIMATE.start_main_~i~4 149), 149807#(<= ULTIMATE.start_main_~i~4 150), 149804#(<= ULTIMATE.start_main_~i~4 147), 149805#(<= ULTIMATE.start_main_~i~4 148), 149810#(<= ULTIMATE.start_main_~i~4 153), 149811#(<= ULTIMATE.start_main_~i~4 154), 149808#(<= ULTIMATE.start_main_~i~4 151), 149809#(<= ULTIMATE.start_main_~i~4 152), 149814#(<= ULTIMATE.start_main_~i~4 157), 149815#(<= ULTIMATE.start_main_~i~4 158), 149812#(<= ULTIMATE.start_main_~i~4 155), 149813#(<= ULTIMATE.start_main_~i~4 156), 149818#(<= ULTIMATE.start_main_~i~4 161), 149819#(<= ULTIMATE.start_main_~i~4 162), 149816#(<= ULTIMATE.start_main_~i~4 159), 149817#(<= ULTIMATE.start_main_~i~4 160), 149822#(<= ULTIMATE.start_main_~i~4 165), 149823#(<= ULTIMATE.start_main_~i~4 166), 149820#(<= ULTIMATE.start_main_~i~4 163), 149821#(<= ULTIMATE.start_main_~i~4 164), 149826#(<= ULTIMATE.start_main_~i~4 169), 149827#(<= ULTIMATE.start_main_~i~4 170), 149824#(<= ULTIMATE.start_main_~i~4 167), 149825#(<= ULTIMATE.start_main_~i~4 168), 149830#(<= ULTIMATE.start_main_~i~4 173), 149831#(<= ULTIMATE.start_main_~i~4 174), 149828#(<= ULTIMATE.start_main_~i~4 171), 149829#(<= ULTIMATE.start_main_~i~4 172), 149834#(<= ULTIMATE.start_main_~i~4 177), 149835#(<= ULTIMATE.start_main_~i~4 178), 149832#(<= ULTIMATE.start_main_~i~4 175), 149833#(<= ULTIMATE.start_main_~i~4 176), 149836#(<= ULTIMATE.start_main_~i~4 179), 149655#true, 149658#(<= ULTIMATE.start_main_~i~4 1), 149659#(<= ULTIMATE.start_main_~i~4 2), 149656#false, 149657#(<= ULTIMATE.start_main_~i~4 0), 149662#(<= ULTIMATE.start_main_~i~4 5), 149663#(<= ULTIMATE.start_main_~i~4 6), 149660#(<= ULTIMATE.start_main_~i~4 3), 149661#(<= ULTIMATE.start_main_~i~4 4), 149666#(<= ULTIMATE.start_main_~i~4 9), 149667#(<= ULTIMATE.start_main_~i~4 10), 149664#(<= ULTIMATE.start_main_~i~4 7), 149665#(<= ULTIMATE.start_main_~i~4 8), 149670#(<= ULTIMATE.start_main_~i~4 13), 149671#(<= ULTIMATE.start_main_~i~4 14), 149668#(<= ULTIMATE.start_main_~i~4 11), 149669#(<= ULTIMATE.start_main_~i~4 12), 149674#(<= ULTIMATE.start_main_~i~4 17), 149675#(<= ULTIMATE.start_main_~i~4 18), 149672#(<= ULTIMATE.start_main_~i~4 15), 149673#(<= ULTIMATE.start_main_~i~4 16), 149678#(<= ULTIMATE.start_main_~i~4 21), 149679#(<= ULTIMATE.start_main_~i~4 22), 149676#(<= ULTIMATE.start_main_~i~4 19), 149677#(<= ULTIMATE.start_main_~i~4 20), 149682#(<= ULTIMATE.start_main_~i~4 25), 149683#(<= ULTIMATE.start_main_~i~4 26), 149680#(<= ULTIMATE.start_main_~i~4 23), 149681#(<= ULTIMATE.start_main_~i~4 24), 149686#(<= ULTIMATE.start_main_~i~4 29), 149687#(<= ULTIMATE.start_main_~i~4 30), 149684#(<= ULTIMATE.start_main_~i~4 27), 149685#(<= ULTIMATE.start_main_~i~4 28), 149690#(<= ULTIMATE.start_main_~i~4 33), 149691#(<= ULTIMATE.start_main_~i~4 34), 149688#(<= ULTIMATE.start_main_~i~4 31), 149689#(<= ULTIMATE.start_main_~i~4 32), 149694#(<= ULTIMATE.start_main_~i~4 37), 149695#(<= ULTIMATE.start_main_~i~4 38), 149692#(<= ULTIMATE.start_main_~i~4 35), 149693#(<= ULTIMATE.start_main_~i~4 36), 149698#(<= ULTIMATE.start_main_~i~4 41), 149699#(<= ULTIMATE.start_main_~i~4 42), 149696#(<= ULTIMATE.start_main_~i~4 39), 149697#(<= ULTIMATE.start_main_~i~4 40), 149702#(<= ULTIMATE.start_main_~i~4 45), 149703#(<= ULTIMATE.start_main_~i~4 46), 149700#(<= ULTIMATE.start_main_~i~4 43), 149701#(<= ULTIMATE.start_main_~i~4 44), 149706#(<= ULTIMATE.start_main_~i~4 49), 149707#(<= ULTIMATE.start_main_~i~4 50), 149704#(<= ULTIMATE.start_main_~i~4 47), 149705#(<= ULTIMATE.start_main_~i~4 48), 149710#(<= ULTIMATE.start_main_~i~4 53), 149711#(<= ULTIMATE.start_main_~i~4 54), 149708#(<= ULTIMATE.start_main_~i~4 51), 149709#(<= ULTIMATE.start_main_~i~4 52), 149714#(<= ULTIMATE.start_main_~i~4 57), 149715#(<= ULTIMATE.start_main_~i~4 58), 149712#(<= ULTIMATE.start_main_~i~4 55), 149713#(<= ULTIMATE.start_main_~i~4 56), 149718#(<= ULTIMATE.start_main_~i~4 61), 149719#(<= ULTIMATE.start_main_~i~4 62), 149716#(<= ULTIMATE.start_main_~i~4 59), 149717#(<= ULTIMATE.start_main_~i~4 60), 149722#(<= ULTIMATE.start_main_~i~4 65), 149723#(<= ULTIMATE.start_main_~i~4 66), 149720#(<= ULTIMATE.start_main_~i~4 63), 149721#(<= ULTIMATE.start_main_~i~4 64), 149726#(<= ULTIMATE.start_main_~i~4 69), 149727#(<= ULTIMATE.start_main_~i~4 70), 149724#(<= ULTIMATE.start_main_~i~4 67), 149725#(<= ULTIMATE.start_main_~i~4 68), 149730#(<= ULTIMATE.start_main_~i~4 73), 149731#(<= ULTIMATE.start_main_~i~4 74), 149728#(<= ULTIMATE.start_main_~i~4 71), 149729#(<= ULTIMATE.start_main_~i~4 72), 149734#(<= ULTIMATE.start_main_~i~4 77), 149735#(<= ULTIMATE.start_main_~i~4 78), 149732#(<= ULTIMATE.start_main_~i~4 75), 149733#(<= ULTIMATE.start_main_~i~4 76), 149738#(<= ULTIMATE.start_main_~i~4 81), 149739#(<= ULTIMATE.start_main_~i~4 82), 149736#(<= ULTIMATE.start_main_~i~4 79), 149737#(<= ULTIMATE.start_main_~i~4 80), 149742#(<= ULTIMATE.start_main_~i~4 85), 149743#(<= ULTIMATE.start_main_~i~4 86), 149740#(<= ULTIMATE.start_main_~i~4 83), 149741#(<= ULTIMATE.start_main_~i~4 84), 149746#(<= ULTIMATE.start_main_~i~4 89), 149747#(<= ULTIMATE.start_main_~i~4 90), 149744#(<= ULTIMATE.start_main_~i~4 87), 149745#(<= ULTIMATE.start_main_~i~4 88), 149750#(<= ULTIMATE.start_main_~i~4 93), 149751#(<= ULTIMATE.start_main_~i~4 94), 149748#(<= ULTIMATE.start_main_~i~4 91), 149749#(<= ULTIMATE.start_main_~i~4 92), 149754#(<= ULTIMATE.start_main_~i~4 97), 149755#(<= ULTIMATE.start_main_~i~4 98), 149752#(<= ULTIMATE.start_main_~i~4 95), 149753#(<= ULTIMATE.start_main_~i~4 96), 149758#(<= ULTIMATE.start_main_~i~4 101), 149759#(<= ULTIMATE.start_main_~i~4 102), 149756#(<= ULTIMATE.start_main_~i~4 99), 149757#(<= ULTIMATE.start_main_~i~4 100)] [2018-07-23 13:45:02,262 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 13:45:02,262 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:45:02,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:45:02,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:45:02,264 INFO L87 Difference]: Start difference. First operand 363 states and 363 transitions. Second operand 182 states. [2018-07-23 13:45:02,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:02,623 INFO L93 Difference]: Finished difference Result 367 states and 367 transitions. [2018-07-23 13:45:02,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:45:02,624 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 362 [2018-07-23 13:45:02,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:02,624 INFO L225 Difference]: With dead ends: 367 [2018-07-23 13:45:02,624 INFO L226 Difference]: Without dead ends: 365 [2018-07-23 13:45:02,625 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 13:45:02,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-07-23 13:45:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2018-07-23 13:45:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-07-23 13:45:02,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 365 transitions. [2018-07-23 13:45:02,628 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 365 transitions. Word has length 362 [2018-07-23 13:45:02,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:02,629 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 365 transitions. [2018-07-23 13:45:02,629 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:45:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 365 transitions. [2018-07-23 13:45:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-07-23 13:45:02,630 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:02,630 INFO L357 BasicCegarLoop]: trace histogram [181, 180, 1, 1, 1] [2018-07-23 13:45:02,630 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash 2053856143, now seen corresponding path program 180 times [2018-07-23 13:45:02,630 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:03,459 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 13:45:03,459 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:03,459 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:45:03,459 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:03,460 INFO L185 omatonBuilderFactory]: Interpolants [151302#false, 151303#(<= ULTIMATE.start_main_~i~4 0), 151301#true, 151306#(<= ULTIMATE.start_main_~i~4 3), 151307#(<= ULTIMATE.start_main_~i~4 4), 151304#(<= ULTIMATE.start_main_~i~4 1), 151305#(<= ULTIMATE.start_main_~i~4 2), 151310#(<= ULTIMATE.start_main_~i~4 7), 151311#(<= ULTIMATE.start_main_~i~4 8), 151308#(<= ULTIMATE.start_main_~i~4 5), 151309#(<= ULTIMATE.start_main_~i~4 6), 151314#(<= ULTIMATE.start_main_~i~4 11), 151315#(<= ULTIMATE.start_main_~i~4 12), 151312#(<= ULTIMATE.start_main_~i~4 9), 151313#(<= ULTIMATE.start_main_~i~4 10), 151318#(<= ULTIMATE.start_main_~i~4 15), 151319#(<= ULTIMATE.start_main_~i~4 16), 151316#(<= ULTIMATE.start_main_~i~4 13), 151317#(<= ULTIMATE.start_main_~i~4 14), 151322#(<= ULTIMATE.start_main_~i~4 19), 151323#(<= ULTIMATE.start_main_~i~4 20), 151320#(<= ULTIMATE.start_main_~i~4 17), 151321#(<= ULTIMATE.start_main_~i~4 18), 151326#(<= ULTIMATE.start_main_~i~4 23), 151327#(<= ULTIMATE.start_main_~i~4 24), 151324#(<= ULTIMATE.start_main_~i~4 21), 151325#(<= ULTIMATE.start_main_~i~4 22), 151330#(<= ULTIMATE.start_main_~i~4 27), 151331#(<= ULTIMATE.start_main_~i~4 28), 151328#(<= ULTIMATE.start_main_~i~4 25), 151329#(<= ULTIMATE.start_main_~i~4 26), 151334#(<= ULTIMATE.start_main_~i~4 31), 151335#(<= ULTIMATE.start_main_~i~4 32), 151332#(<= ULTIMATE.start_main_~i~4 29), 151333#(<= ULTIMATE.start_main_~i~4 30), 151338#(<= ULTIMATE.start_main_~i~4 35), 151339#(<= ULTIMATE.start_main_~i~4 36), 151336#(<= ULTIMATE.start_main_~i~4 33), 151337#(<= ULTIMATE.start_main_~i~4 34), 151342#(<= ULTIMATE.start_main_~i~4 39), 151343#(<= ULTIMATE.start_main_~i~4 40), 151340#(<= ULTIMATE.start_main_~i~4 37), 151341#(<= ULTIMATE.start_main_~i~4 38), 151346#(<= ULTIMATE.start_main_~i~4 43), 151347#(<= ULTIMATE.start_main_~i~4 44), 151344#(<= ULTIMATE.start_main_~i~4 41), 151345#(<= ULTIMATE.start_main_~i~4 42), 151350#(<= ULTIMATE.start_main_~i~4 47), 151351#(<= ULTIMATE.start_main_~i~4 48), 151348#(<= ULTIMATE.start_main_~i~4 45), 151349#(<= ULTIMATE.start_main_~i~4 46), 151354#(<= ULTIMATE.start_main_~i~4 51), 151355#(<= ULTIMATE.start_main_~i~4 52), 151352#(<= ULTIMATE.start_main_~i~4 49), 151353#(<= ULTIMATE.start_main_~i~4 50), 151358#(<= ULTIMATE.start_main_~i~4 55), 151359#(<= ULTIMATE.start_main_~i~4 56), 151356#(<= ULTIMATE.start_main_~i~4 53), 151357#(<= ULTIMATE.start_main_~i~4 54), 151362#(<= ULTIMATE.start_main_~i~4 59), 151363#(<= ULTIMATE.start_main_~i~4 60), 151360#(<= ULTIMATE.start_main_~i~4 57), 151361#(<= ULTIMATE.start_main_~i~4 58), 151366#(<= ULTIMATE.start_main_~i~4 63), 151367#(<= ULTIMATE.start_main_~i~4 64), 151364#(<= ULTIMATE.start_main_~i~4 61), 151365#(<= ULTIMATE.start_main_~i~4 62), 151370#(<= ULTIMATE.start_main_~i~4 67), 151371#(<= ULTIMATE.start_main_~i~4 68), 151368#(<= ULTIMATE.start_main_~i~4 65), 151369#(<= ULTIMATE.start_main_~i~4 66), 151374#(<= ULTIMATE.start_main_~i~4 71), 151375#(<= ULTIMATE.start_main_~i~4 72), 151372#(<= ULTIMATE.start_main_~i~4 69), 151373#(<= ULTIMATE.start_main_~i~4 70), 151378#(<= ULTIMATE.start_main_~i~4 75), 151379#(<= ULTIMATE.start_main_~i~4 76), 151376#(<= ULTIMATE.start_main_~i~4 73), 151377#(<= ULTIMATE.start_main_~i~4 74), 151382#(<= ULTIMATE.start_main_~i~4 79), 151383#(<= ULTIMATE.start_main_~i~4 80), 151380#(<= ULTIMATE.start_main_~i~4 77), 151381#(<= ULTIMATE.start_main_~i~4 78), 151386#(<= ULTIMATE.start_main_~i~4 83), 151387#(<= ULTIMATE.start_main_~i~4 84), 151384#(<= ULTIMATE.start_main_~i~4 81), 151385#(<= ULTIMATE.start_main_~i~4 82), 151390#(<= ULTIMATE.start_main_~i~4 87), 151391#(<= ULTIMATE.start_main_~i~4 88), 151388#(<= ULTIMATE.start_main_~i~4 85), 151389#(<= ULTIMATE.start_main_~i~4 86), 151394#(<= ULTIMATE.start_main_~i~4 91), 151395#(<= ULTIMATE.start_main_~i~4 92), 151392#(<= ULTIMATE.start_main_~i~4 89), 151393#(<= ULTIMATE.start_main_~i~4 90), 151398#(<= ULTIMATE.start_main_~i~4 95), 151399#(<= ULTIMATE.start_main_~i~4 96), 151396#(<= ULTIMATE.start_main_~i~4 93), 151397#(<= ULTIMATE.start_main_~i~4 94), 151402#(<= ULTIMATE.start_main_~i~4 99), 151403#(<= ULTIMATE.start_main_~i~4 100), 151400#(<= ULTIMATE.start_main_~i~4 97), 151401#(<= ULTIMATE.start_main_~i~4 98), 151406#(<= ULTIMATE.start_main_~i~4 103), 151407#(<= ULTIMATE.start_main_~i~4 104), 151404#(<= ULTIMATE.start_main_~i~4 101), 151405#(<= ULTIMATE.start_main_~i~4 102), 151410#(<= ULTIMATE.start_main_~i~4 107), 151411#(<= ULTIMATE.start_main_~i~4 108), 151408#(<= ULTIMATE.start_main_~i~4 105), 151409#(<= ULTIMATE.start_main_~i~4 106), 151414#(<= ULTIMATE.start_main_~i~4 111), 151415#(<= ULTIMATE.start_main_~i~4 112), 151412#(<= ULTIMATE.start_main_~i~4 109), 151413#(<= ULTIMATE.start_main_~i~4 110), 151418#(<= ULTIMATE.start_main_~i~4 115), 151419#(<= ULTIMATE.start_main_~i~4 116), 151416#(<= ULTIMATE.start_main_~i~4 113), 151417#(<= ULTIMATE.start_main_~i~4 114), 151422#(<= ULTIMATE.start_main_~i~4 119), 151423#(<= ULTIMATE.start_main_~i~4 120), 151420#(<= ULTIMATE.start_main_~i~4 117), 151421#(<= ULTIMATE.start_main_~i~4 118), 151426#(<= ULTIMATE.start_main_~i~4 123), 151427#(<= ULTIMATE.start_main_~i~4 124), 151424#(<= ULTIMATE.start_main_~i~4 121), 151425#(<= ULTIMATE.start_main_~i~4 122), 151430#(<= ULTIMATE.start_main_~i~4 127), 151431#(<= ULTIMATE.start_main_~i~4 128), 151428#(<= ULTIMATE.start_main_~i~4 125), 151429#(<= ULTIMATE.start_main_~i~4 126), 151434#(<= ULTIMATE.start_main_~i~4 131), 151435#(<= ULTIMATE.start_main_~i~4 132), 151432#(<= ULTIMATE.start_main_~i~4 129), 151433#(<= ULTIMATE.start_main_~i~4 130), 151438#(<= ULTIMATE.start_main_~i~4 135), 151439#(<= ULTIMATE.start_main_~i~4 136), 151436#(<= ULTIMATE.start_main_~i~4 133), 151437#(<= ULTIMATE.start_main_~i~4 134), 151442#(<= ULTIMATE.start_main_~i~4 139), 151443#(<= ULTIMATE.start_main_~i~4 140), 151440#(<= ULTIMATE.start_main_~i~4 137), 151441#(<= ULTIMATE.start_main_~i~4 138), 151446#(<= ULTIMATE.start_main_~i~4 143), 151447#(<= ULTIMATE.start_main_~i~4 144), 151444#(<= ULTIMATE.start_main_~i~4 141), 151445#(<= ULTIMATE.start_main_~i~4 142), 151450#(<= ULTIMATE.start_main_~i~4 147), 151451#(<= ULTIMATE.start_main_~i~4 148), 151448#(<= ULTIMATE.start_main_~i~4 145), 151449#(<= ULTIMATE.start_main_~i~4 146), 151454#(<= ULTIMATE.start_main_~i~4 151), 151455#(<= ULTIMATE.start_main_~i~4 152), 151452#(<= ULTIMATE.start_main_~i~4 149), 151453#(<= ULTIMATE.start_main_~i~4 150), 151458#(<= ULTIMATE.start_main_~i~4 155), 151459#(<= ULTIMATE.start_main_~i~4 156), 151456#(<= ULTIMATE.start_main_~i~4 153), 151457#(<= ULTIMATE.start_main_~i~4 154), 151462#(<= ULTIMATE.start_main_~i~4 159), 151463#(<= ULTIMATE.start_main_~i~4 160), 151460#(<= ULTIMATE.start_main_~i~4 157), 151461#(<= ULTIMATE.start_main_~i~4 158), 151466#(<= ULTIMATE.start_main_~i~4 163), 151467#(<= ULTIMATE.start_main_~i~4 164), 151464#(<= ULTIMATE.start_main_~i~4 161), 151465#(<= ULTIMATE.start_main_~i~4 162), 151470#(<= ULTIMATE.start_main_~i~4 167), 151471#(<= ULTIMATE.start_main_~i~4 168), 151468#(<= ULTIMATE.start_main_~i~4 165), 151469#(<= ULTIMATE.start_main_~i~4 166), 151474#(<= ULTIMATE.start_main_~i~4 171), 151475#(<= ULTIMATE.start_main_~i~4 172), 151472#(<= ULTIMATE.start_main_~i~4 169), 151473#(<= ULTIMATE.start_main_~i~4 170), 151478#(<= ULTIMATE.start_main_~i~4 175), 151479#(<= ULTIMATE.start_main_~i~4 176), 151476#(<= ULTIMATE.start_main_~i~4 173), 151477#(<= ULTIMATE.start_main_~i~4 174), 151482#(<= ULTIMATE.start_main_~i~4 179), 151483#(<= ULTIMATE.start_main_~i~4 180), 151480#(<= ULTIMATE.start_main_~i~4 177), 151481#(<= ULTIMATE.start_main_~i~4 178)] [2018-07-23 13:45:03,461 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 13:45:03,461 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:45:03,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:45:03,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:45:03,465 INFO L87 Difference]: Start difference. First operand 365 states and 365 transitions. Second operand 183 states. [2018-07-23 13:45:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:04,809 INFO L93 Difference]: Finished difference Result 369 states and 369 transitions. [2018-07-23 13:45:04,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:45:04,810 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 364 [2018-07-23 13:45:04,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:04,810 INFO L225 Difference]: With dead ends: 369 [2018-07-23 13:45:04,810 INFO L226 Difference]: Without dead ends: 367 [2018-07-23 13:45:04,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:45:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-07-23 13:45:04,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-07-23 13:45:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-07-23 13:45:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 367 transitions. [2018-07-23 13:45:04,816 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 367 transitions. Word has length 364 [2018-07-23 13:45:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:04,816 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 367 transitions. [2018-07-23 13:45:04,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:45:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 367 transitions. [2018-07-23 13:45:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-07-23 13:45:04,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:04,817 INFO L357 BasicCegarLoop]: trace histogram [182, 181, 1, 1, 1] [2018-07-23 13:45:04,817 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:04,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1929150647, now seen corresponding path program 181 times [2018-07-23 13:45:04,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:05,660 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 13:45:05,660 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:05,660 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:45:05,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,661 INFO L185 omatonBuilderFactory]: Interpolants [153090#(<= ULTIMATE.start_main_~i~4 132), 153091#(<= ULTIMATE.start_main_~i~4 133), 153088#(<= ULTIMATE.start_main_~i~4 130), 153089#(<= ULTIMATE.start_main_~i~4 131), 153094#(<= ULTIMATE.start_main_~i~4 136), 153095#(<= ULTIMATE.start_main_~i~4 137), 153092#(<= ULTIMATE.start_main_~i~4 134), 153093#(<= ULTIMATE.start_main_~i~4 135), 153098#(<= ULTIMATE.start_main_~i~4 140), 153099#(<= ULTIMATE.start_main_~i~4 141), 153096#(<= ULTIMATE.start_main_~i~4 138), 153097#(<= ULTIMATE.start_main_~i~4 139), 153102#(<= ULTIMATE.start_main_~i~4 144), 153103#(<= ULTIMATE.start_main_~i~4 145), 153100#(<= ULTIMATE.start_main_~i~4 142), 153101#(<= ULTIMATE.start_main_~i~4 143), 153106#(<= ULTIMATE.start_main_~i~4 148), 153107#(<= ULTIMATE.start_main_~i~4 149), 153104#(<= ULTIMATE.start_main_~i~4 146), 153105#(<= ULTIMATE.start_main_~i~4 147), 153110#(<= ULTIMATE.start_main_~i~4 152), 153111#(<= ULTIMATE.start_main_~i~4 153), 153108#(<= ULTIMATE.start_main_~i~4 150), 153109#(<= ULTIMATE.start_main_~i~4 151), 153114#(<= ULTIMATE.start_main_~i~4 156), 153115#(<= ULTIMATE.start_main_~i~4 157), 153112#(<= ULTIMATE.start_main_~i~4 154), 153113#(<= ULTIMATE.start_main_~i~4 155), 153118#(<= ULTIMATE.start_main_~i~4 160), 153119#(<= ULTIMATE.start_main_~i~4 161), 153116#(<= ULTIMATE.start_main_~i~4 158), 153117#(<= ULTIMATE.start_main_~i~4 159), 153122#(<= ULTIMATE.start_main_~i~4 164), 153123#(<= ULTIMATE.start_main_~i~4 165), 153120#(<= ULTIMATE.start_main_~i~4 162), 153121#(<= ULTIMATE.start_main_~i~4 163), 153126#(<= ULTIMATE.start_main_~i~4 168), 153127#(<= ULTIMATE.start_main_~i~4 169), 153124#(<= ULTIMATE.start_main_~i~4 166), 153125#(<= ULTIMATE.start_main_~i~4 167), 153130#(<= ULTIMATE.start_main_~i~4 172), 153131#(<= ULTIMATE.start_main_~i~4 173), 153128#(<= ULTIMATE.start_main_~i~4 170), 153129#(<= ULTIMATE.start_main_~i~4 171), 153134#(<= ULTIMATE.start_main_~i~4 176), 153135#(<= ULTIMATE.start_main_~i~4 177), 153132#(<= ULTIMATE.start_main_~i~4 174), 153133#(<= ULTIMATE.start_main_~i~4 175), 153138#(<= ULTIMATE.start_main_~i~4 180), 153139#(<= ULTIMATE.start_main_~i~4 181), 153136#(<= ULTIMATE.start_main_~i~4 178), 153137#(<= ULTIMATE.start_main_~i~4 179), 152958#(<= ULTIMATE.start_main_~i~4 0), 152959#(<= ULTIMATE.start_main_~i~4 1), 152956#true, 152957#false, 152962#(<= ULTIMATE.start_main_~i~4 4), 152963#(<= ULTIMATE.start_main_~i~4 5), 152960#(<= ULTIMATE.start_main_~i~4 2), 152961#(<= ULTIMATE.start_main_~i~4 3), 152966#(<= ULTIMATE.start_main_~i~4 8), 152967#(<= ULTIMATE.start_main_~i~4 9), 152964#(<= ULTIMATE.start_main_~i~4 6), 152965#(<= ULTIMATE.start_main_~i~4 7), 152970#(<= ULTIMATE.start_main_~i~4 12), 152971#(<= ULTIMATE.start_main_~i~4 13), 152968#(<= ULTIMATE.start_main_~i~4 10), 152969#(<= ULTIMATE.start_main_~i~4 11), 152974#(<= ULTIMATE.start_main_~i~4 16), 152975#(<= ULTIMATE.start_main_~i~4 17), 152972#(<= ULTIMATE.start_main_~i~4 14), 152973#(<= ULTIMATE.start_main_~i~4 15), 152978#(<= ULTIMATE.start_main_~i~4 20), 152979#(<= ULTIMATE.start_main_~i~4 21), 152976#(<= ULTIMATE.start_main_~i~4 18), 152977#(<= ULTIMATE.start_main_~i~4 19), 152982#(<= ULTIMATE.start_main_~i~4 24), 152983#(<= ULTIMATE.start_main_~i~4 25), 152980#(<= ULTIMATE.start_main_~i~4 22), 152981#(<= ULTIMATE.start_main_~i~4 23), 152986#(<= ULTIMATE.start_main_~i~4 28), 152987#(<= ULTIMATE.start_main_~i~4 29), 152984#(<= ULTIMATE.start_main_~i~4 26), 152985#(<= ULTIMATE.start_main_~i~4 27), 152990#(<= ULTIMATE.start_main_~i~4 32), 152991#(<= ULTIMATE.start_main_~i~4 33), 152988#(<= ULTIMATE.start_main_~i~4 30), 152989#(<= ULTIMATE.start_main_~i~4 31), 152994#(<= ULTIMATE.start_main_~i~4 36), 152995#(<= ULTIMATE.start_main_~i~4 37), 152992#(<= ULTIMATE.start_main_~i~4 34), 152993#(<= ULTIMATE.start_main_~i~4 35), 152998#(<= ULTIMATE.start_main_~i~4 40), 152999#(<= ULTIMATE.start_main_~i~4 41), 152996#(<= ULTIMATE.start_main_~i~4 38), 152997#(<= ULTIMATE.start_main_~i~4 39), 153002#(<= ULTIMATE.start_main_~i~4 44), 153003#(<= ULTIMATE.start_main_~i~4 45), 153000#(<= ULTIMATE.start_main_~i~4 42), 153001#(<= ULTIMATE.start_main_~i~4 43), 153006#(<= ULTIMATE.start_main_~i~4 48), 153007#(<= ULTIMATE.start_main_~i~4 49), 153004#(<= ULTIMATE.start_main_~i~4 46), 153005#(<= ULTIMATE.start_main_~i~4 47), 153010#(<= ULTIMATE.start_main_~i~4 52), 153011#(<= ULTIMATE.start_main_~i~4 53), 153008#(<= ULTIMATE.start_main_~i~4 50), 153009#(<= ULTIMATE.start_main_~i~4 51), 153014#(<= ULTIMATE.start_main_~i~4 56), 153015#(<= ULTIMATE.start_main_~i~4 57), 153012#(<= ULTIMATE.start_main_~i~4 54), 153013#(<= ULTIMATE.start_main_~i~4 55), 153018#(<= ULTIMATE.start_main_~i~4 60), 153019#(<= ULTIMATE.start_main_~i~4 61), 153016#(<= ULTIMATE.start_main_~i~4 58), 153017#(<= ULTIMATE.start_main_~i~4 59), 153022#(<= ULTIMATE.start_main_~i~4 64), 153023#(<= ULTIMATE.start_main_~i~4 65), 153020#(<= ULTIMATE.start_main_~i~4 62), 153021#(<= ULTIMATE.start_main_~i~4 63), 153026#(<= ULTIMATE.start_main_~i~4 68), 153027#(<= ULTIMATE.start_main_~i~4 69), 153024#(<= ULTIMATE.start_main_~i~4 66), 153025#(<= ULTIMATE.start_main_~i~4 67), 153030#(<= ULTIMATE.start_main_~i~4 72), 153031#(<= ULTIMATE.start_main_~i~4 73), 153028#(<= ULTIMATE.start_main_~i~4 70), 153029#(<= ULTIMATE.start_main_~i~4 71), 153034#(<= ULTIMATE.start_main_~i~4 76), 153035#(<= ULTIMATE.start_main_~i~4 77), 153032#(<= ULTIMATE.start_main_~i~4 74), 153033#(<= ULTIMATE.start_main_~i~4 75), 153038#(<= ULTIMATE.start_main_~i~4 80), 153039#(<= ULTIMATE.start_main_~i~4 81), 153036#(<= ULTIMATE.start_main_~i~4 78), 153037#(<= ULTIMATE.start_main_~i~4 79), 153042#(<= ULTIMATE.start_main_~i~4 84), 153043#(<= ULTIMATE.start_main_~i~4 85), 153040#(<= ULTIMATE.start_main_~i~4 82), 153041#(<= ULTIMATE.start_main_~i~4 83), 153046#(<= ULTIMATE.start_main_~i~4 88), 153047#(<= ULTIMATE.start_main_~i~4 89), 153044#(<= ULTIMATE.start_main_~i~4 86), 153045#(<= ULTIMATE.start_main_~i~4 87), 153050#(<= ULTIMATE.start_main_~i~4 92), 153051#(<= ULTIMATE.start_main_~i~4 93), 153048#(<= ULTIMATE.start_main_~i~4 90), 153049#(<= ULTIMATE.start_main_~i~4 91), 153054#(<= ULTIMATE.start_main_~i~4 96), 153055#(<= ULTIMATE.start_main_~i~4 97), 153052#(<= ULTIMATE.start_main_~i~4 94), 153053#(<= ULTIMATE.start_main_~i~4 95), 153058#(<= ULTIMATE.start_main_~i~4 100), 153059#(<= ULTIMATE.start_main_~i~4 101), 153056#(<= ULTIMATE.start_main_~i~4 98), 153057#(<= ULTIMATE.start_main_~i~4 99), 153062#(<= ULTIMATE.start_main_~i~4 104), 153063#(<= ULTIMATE.start_main_~i~4 105), 153060#(<= ULTIMATE.start_main_~i~4 102), 153061#(<= ULTIMATE.start_main_~i~4 103), 153066#(<= ULTIMATE.start_main_~i~4 108), 153067#(<= ULTIMATE.start_main_~i~4 109), 153064#(<= ULTIMATE.start_main_~i~4 106), 153065#(<= ULTIMATE.start_main_~i~4 107), 153070#(<= ULTIMATE.start_main_~i~4 112), 153071#(<= ULTIMATE.start_main_~i~4 113), 153068#(<= ULTIMATE.start_main_~i~4 110), 153069#(<= ULTIMATE.start_main_~i~4 111), 153074#(<= ULTIMATE.start_main_~i~4 116), 153075#(<= ULTIMATE.start_main_~i~4 117), 153072#(<= ULTIMATE.start_main_~i~4 114), 153073#(<= ULTIMATE.start_main_~i~4 115), 153078#(<= ULTIMATE.start_main_~i~4 120), 153079#(<= ULTIMATE.start_main_~i~4 121), 153076#(<= ULTIMATE.start_main_~i~4 118), 153077#(<= ULTIMATE.start_main_~i~4 119), 153082#(<= ULTIMATE.start_main_~i~4 124), 153083#(<= ULTIMATE.start_main_~i~4 125), 153080#(<= ULTIMATE.start_main_~i~4 122), 153081#(<= ULTIMATE.start_main_~i~4 123), 153086#(<= ULTIMATE.start_main_~i~4 128), 153087#(<= ULTIMATE.start_main_~i~4 129), 153084#(<= ULTIMATE.start_main_~i~4 126), 153085#(<= ULTIMATE.start_main_~i~4 127)] [2018-07-23 13:45:05,662 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 13:45:05,663 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:45:05,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:45:05,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:45:05,667 INFO L87 Difference]: Start difference. First operand 367 states and 367 transitions. Second operand 184 states. [2018-07-23 13:45:06,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:06,202 INFO L93 Difference]: Finished difference Result 371 states and 371 transitions. [2018-07-23 13:45:06,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:45:06,202 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 366 [2018-07-23 13:45:06,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:06,203 INFO L225 Difference]: With dead ends: 371 [2018-07-23 13:45:06,203 INFO L226 Difference]: Without dead ends: 369 [2018-07-23 13:45:06,205 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 13:45:06,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-07-23 13:45:06,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2018-07-23 13:45:06,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-07-23 13:45:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 369 transitions. [2018-07-23 13:45:06,209 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 369 transitions. Word has length 366 [2018-07-23 13:45:06,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:06,209 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 369 transitions. [2018-07-23 13:45:06,209 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:45:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 369 transitions. [2018-07-23 13:45:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-07-23 13:45:06,210 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:06,210 INFO L357 BasicCegarLoop]: trace histogram [183, 182, 1, 1, 1] [2018-07-23 13:45:06,210 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:06,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1512152195, now seen corresponding path program 182 times [2018-07-23 13:45:06,210 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:07,086 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 13:45:07,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:07,086 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:45:07,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:07,087 INFO L185 omatonBuilderFactory]: Interpolants [154626#(<= ULTIMATE.start_main_~i~4 4), 154627#(<= ULTIMATE.start_main_~i~4 5), 154624#(<= ULTIMATE.start_main_~i~4 2), 154625#(<= ULTIMATE.start_main_~i~4 3), 154630#(<= ULTIMATE.start_main_~i~4 8), 154631#(<= ULTIMATE.start_main_~i~4 9), 154628#(<= ULTIMATE.start_main_~i~4 6), 154629#(<= ULTIMATE.start_main_~i~4 7), 154634#(<= ULTIMATE.start_main_~i~4 12), 154635#(<= ULTIMATE.start_main_~i~4 13), 154632#(<= ULTIMATE.start_main_~i~4 10), 154633#(<= ULTIMATE.start_main_~i~4 11), 154638#(<= ULTIMATE.start_main_~i~4 16), 154639#(<= ULTIMATE.start_main_~i~4 17), 154636#(<= ULTIMATE.start_main_~i~4 14), 154637#(<= ULTIMATE.start_main_~i~4 15), 154642#(<= ULTIMATE.start_main_~i~4 20), 154643#(<= ULTIMATE.start_main_~i~4 21), 154640#(<= ULTIMATE.start_main_~i~4 18), 154641#(<= ULTIMATE.start_main_~i~4 19), 154646#(<= ULTIMATE.start_main_~i~4 24), 154647#(<= ULTIMATE.start_main_~i~4 25), 154644#(<= ULTIMATE.start_main_~i~4 22), 154645#(<= ULTIMATE.start_main_~i~4 23), 154650#(<= ULTIMATE.start_main_~i~4 28), 154651#(<= ULTIMATE.start_main_~i~4 29), 154648#(<= ULTIMATE.start_main_~i~4 26), 154649#(<= ULTIMATE.start_main_~i~4 27), 154654#(<= ULTIMATE.start_main_~i~4 32), 154655#(<= ULTIMATE.start_main_~i~4 33), 154652#(<= ULTIMATE.start_main_~i~4 30), 154653#(<= ULTIMATE.start_main_~i~4 31), 154658#(<= ULTIMATE.start_main_~i~4 36), 154659#(<= ULTIMATE.start_main_~i~4 37), 154656#(<= ULTIMATE.start_main_~i~4 34), 154657#(<= ULTIMATE.start_main_~i~4 35), 154662#(<= ULTIMATE.start_main_~i~4 40), 154663#(<= ULTIMATE.start_main_~i~4 41), 154660#(<= ULTIMATE.start_main_~i~4 38), 154661#(<= ULTIMATE.start_main_~i~4 39), 154666#(<= ULTIMATE.start_main_~i~4 44), 154667#(<= ULTIMATE.start_main_~i~4 45), 154664#(<= ULTIMATE.start_main_~i~4 42), 154665#(<= ULTIMATE.start_main_~i~4 43), 154670#(<= ULTIMATE.start_main_~i~4 48), 154671#(<= ULTIMATE.start_main_~i~4 49), 154668#(<= ULTIMATE.start_main_~i~4 46), 154669#(<= ULTIMATE.start_main_~i~4 47), 154674#(<= ULTIMATE.start_main_~i~4 52), 154675#(<= ULTIMATE.start_main_~i~4 53), 154672#(<= ULTIMATE.start_main_~i~4 50), 154673#(<= ULTIMATE.start_main_~i~4 51), 154678#(<= ULTIMATE.start_main_~i~4 56), 154679#(<= ULTIMATE.start_main_~i~4 57), 154676#(<= ULTIMATE.start_main_~i~4 54), 154677#(<= ULTIMATE.start_main_~i~4 55), 154682#(<= ULTIMATE.start_main_~i~4 60), 154683#(<= ULTIMATE.start_main_~i~4 61), 154680#(<= ULTIMATE.start_main_~i~4 58), 154681#(<= ULTIMATE.start_main_~i~4 59), 154686#(<= ULTIMATE.start_main_~i~4 64), 154687#(<= ULTIMATE.start_main_~i~4 65), 154684#(<= ULTIMATE.start_main_~i~4 62), 154685#(<= ULTIMATE.start_main_~i~4 63), 154690#(<= ULTIMATE.start_main_~i~4 68), 154691#(<= ULTIMATE.start_main_~i~4 69), 154688#(<= ULTIMATE.start_main_~i~4 66), 154689#(<= ULTIMATE.start_main_~i~4 67), 154694#(<= ULTIMATE.start_main_~i~4 72), 154695#(<= ULTIMATE.start_main_~i~4 73), 154692#(<= ULTIMATE.start_main_~i~4 70), 154693#(<= ULTIMATE.start_main_~i~4 71), 154698#(<= ULTIMATE.start_main_~i~4 76), 154699#(<= ULTIMATE.start_main_~i~4 77), 154696#(<= ULTIMATE.start_main_~i~4 74), 154697#(<= ULTIMATE.start_main_~i~4 75), 154702#(<= ULTIMATE.start_main_~i~4 80), 154703#(<= ULTIMATE.start_main_~i~4 81), 154700#(<= ULTIMATE.start_main_~i~4 78), 154701#(<= ULTIMATE.start_main_~i~4 79), 154706#(<= ULTIMATE.start_main_~i~4 84), 154707#(<= ULTIMATE.start_main_~i~4 85), 154704#(<= ULTIMATE.start_main_~i~4 82), 154705#(<= ULTIMATE.start_main_~i~4 83), 154710#(<= ULTIMATE.start_main_~i~4 88), 154711#(<= ULTIMATE.start_main_~i~4 89), 154708#(<= ULTIMATE.start_main_~i~4 86), 154709#(<= ULTIMATE.start_main_~i~4 87), 154714#(<= ULTIMATE.start_main_~i~4 92), 154715#(<= ULTIMATE.start_main_~i~4 93), 154712#(<= ULTIMATE.start_main_~i~4 90), 154713#(<= ULTIMATE.start_main_~i~4 91), 154718#(<= ULTIMATE.start_main_~i~4 96), 154719#(<= ULTIMATE.start_main_~i~4 97), 154716#(<= ULTIMATE.start_main_~i~4 94), 154717#(<= ULTIMATE.start_main_~i~4 95), 154722#(<= ULTIMATE.start_main_~i~4 100), 154723#(<= ULTIMATE.start_main_~i~4 101), 154720#(<= ULTIMATE.start_main_~i~4 98), 154721#(<= ULTIMATE.start_main_~i~4 99), 154726#(<= ULTIMATE.start_main_~i~4 104), 154727#(<= ULTIMATE.start_main_~i~4 105), 154724#(<= ULTIMATE.start_main_~i~4 102), 154725#(<= ULTIMATE.start_main_~i~4 103), 154730#(<= ULTIMATE.start_main_~i~4 108), 154731#(<= ULTIMATE.start_main_~i~4 109), 154728#(<= ULTIMATE.start_main_~i~4 106), 154729#(<= ULTIMATE.start_main_~i~4 107), 154734#(<= ULTIMATE.start_main_~i~4 112), 154735#(<= ULTIMATE.start_main_~i~4 113), 154732#(<= ULTIMATE.start_main_~i~4 110), 154733#(<= ULTIMATE.start_main_~i~4 111), 154738#(<= ULTIMATE.start_main_~i~4 116), 154739#(<= ULTIMATE.start_main_~i~4 117), 154736#(<= ULTIMATE.start_main_~i~4 114), 154737#(<= ULTIMATE.start_main_~i~4 115), 154742#(<= ULTIMATE.start_main_~i~4 120), 154743#(<= ULTIMATE.start_main_~i~4 121), 154740#(<= ULTIMATE.start_main_~i~4 118), 154741#(<= ULTIMATE.start_main_~i~4 119), 154746#(<= ULTIMATE.start_main_~i~4 124), 154747#(<= ULTIMATE.start_main_~i~4 125), 154744#(<= ULTIMATE.start_main_~i~4 122), 154745#(<= ULTIMATE.start_main_~i~4 123), 154750#(<= ULTIMATE.start_main_~i~4 128), 154751#(<= ULTIMATE.start_main_~i~4 129), 154748#(<= ULTIMATE.start_main_~i~4 126), 154749#(<= ULTIMATE.start_main_~i~4 127), 154754#(<= ULTIMATE.start_main_~i~4 132), 154755#(<= ULTIMATE.start_main_~i~4 133), 154752#(<= ULTIMATE.start_main_~i~4 130), 154753#(<= ULTIMATE.start_main_~i~4 131), 154758#(<= ULTIMATE.start_main_~i~4 136), 154759#(<= ULTIMATE.start_main_~i~4 137), 154756#(<= ULTIMATE.start_main_~i~4 134), 154757#(<= ULTIMATE.start_main_~i~4 135), 154762#(<= ULTIMATE.start_main_~i~4 140), 154763#(<= ULTIMATE.start_main_~i~4 141), 154760#(<= ULTIMATE.start_main_~i~4 138), 154761#(<= ULTIMATE.start_main_~i~4 139), 154766#(<= ULTIMATE.start_main_~i~4 144), 154767#(<= ULTIMATE.start_main_~i~4 145), 154764#(<= ULTIMATE.start_main_~i~4 142), 154765#(<= ULTIMATE.start_main_~i~4 143), 154770#(<= ULTIMATE.start_main_~i~4 148), 154771#(<= ULTIMATE.start_main_~i~4 149), 154768#(<= ULTIMATE.start_main_~i~4 146), 154769#(<= ULTIMATE.start_main_~i~4 147), 154774#(<= ULTIMATE.start_main_~i~4 152), 154775#(<= ULTIMATE.start_main_~i~4 153), 154772#(<= ULTIMATE.start_main_~i~4 150), 154773#(<= ULTIMATE.start_main_~i~4 151), 154778#(<= ULTIMATE.start_main_~i~4 156), 154779#(<= ULTIMATE.start_main_~i~4 157), 154776#(<= ULTIMATE.start_main_~i~4 154), 154777#(<= ULTIMATE.start_main_~i~4 155), 154782#(<= ULTIMATE.start_main_~i~4 160), 154783#(<= ULTIMATE.start_main_~i~4 161), 154780#(<= ULTIMATE.start_main_~i~4 158), 154781#(<= ULTIMATE.start_main_~i~4 159), 154786#(<= ULTIMATE.start_main_~i~4 164), 154787#(<= ULTIMATE.start_main_~i~4 165), 154784#(<= ULTIMATE.start_main_~i~4 162), 154785#(<= ULTIMATE.start_main_~i~4 163), 154790#(<= ULTIMATE.start_main_~i~4 168), 154791#(<= ULTIMATE.start_main_~i~4 169), 154788#(<= ULTIMATE.start_main_~i~4 166), 154789#(<= ULTIMATE.start_main_~i~4 167), 154794#(<= ULTIMATE.start_main_~i~4 172), 154795#(<= ULTIMATE.start_main_~i~4 173), 154792#(<= ULTIMATE.start_main_~i~4 170), 154793#(<= ULTIMATE.start_main_~i~4 171), 154798#(<= ULTIMATE.start_main_~i~4 176), 154799#(<= ULTIMATE.start_main_~i~4 177), 154796#(<= ULTIMATE.start_main_~i~4 174), 154797#(<= ULTIMATE.start_main_~i~4 175), 154802#(<= ULTIMATE.start_main_~i~4 180), 154803#(<= ULTIMATE.start_main_~i~4 181), 154800#(<= ULTIMATE.start_main_~i~4 178), 154801#(<= ULTIMATE.start_main_~i~4 179), 154804#(<= ULTIMATE.start_main_~i~4 182), 154622#(<= ULTIMATE.start_main_~i~4 0), 154623#(<= ULTIMATE.start_main_~i~4 1), 154620#true, 154621#false] [2018-07-23 13:45:07,088 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 13:45:07,089 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:45:07,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:45:07,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:45:07,092 INFO L87 Difference]: Start difference. First operand 369 states and 369 transitions. Second operand 185 states. [2018-07-23 13:45:08,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:08,563 INFO L93 Difference]: Finished difference Result 373 states and 373 transitions. [2018-07-23 13:45:08,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:45:08,563 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 368 [2018-07-23 13:45:08,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:08,564 INFO L225 Difference]: With dead ends: 373 [2018-07-23 13:45:08,564 INFO L226 Difference]: Without dead ends: 371 [2018-07-23 13:45:08,566 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:45:08,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-07-23 13:45:08,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2018-07-23 13:45:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-07-23 13:45:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 371 transitions. [2018-07-23 13:45:08,569 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 371 transitions. Word has length 368 [2018-07-23 13:45:08,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:08,569 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 371 transitions. [2018-07-23 13:45:08,570 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:45:08,570 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 371 transitions. [2018-07-23 13:45:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-07-23 13:45:08,571 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,571 INFO L357 BasicCegarLoop]: trace histogram [184, 183, 1, 1, 1] [2018-07-23 13:45:08,571 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1479365437, now seen corresponding path program 183 times [2018-07-23 13:45:08,572 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,437 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 13:45:09,438 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,438 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:45:09,438 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,438 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 13:45:09,439 INFO L185 omatonBuilderFactory]: Interpolants [156418#(<= ULTIMATE.start_main_~i~4 123), 156419#(<= ULTIMATE.start_main_~i~4 124), 156416#(<= ULTIMATE.start_main_~i~4 121), 156417#(<= ULTIMATE.start_main_~i~4 122), 156422#(<= ULTIMATE.start_main_~i~4 127), 156423#(<= ULTIMATE.start_main_~i~4 128), 156420#(<= ULTIMATE.start_main_~i~4 125), 156421#(<= ULTIMATE.start_main_~i~4 126), 156426#(<= ULTIMATE.start_main_~i~4 131), 156427#(<= ULTIMATE.start_main_~i~4 132), 156424#(<= ULTIMATE.start_main_~i~4 129), 156425#(<= ULTIMATE.start_main_~i~4 130), 156430#(<= ULTIMATE.start_main_~i~4 135), 156431#(<= ULTIMATE.start_main_~i~4 136), 156428#(<= ULTIMATE.start_main_~i~4 133), 156429#(<= ULTIMATE.start_main_~i~4 134), 156434#(<= ULTIMATE.start_main_~i~4 139), 156435#(<= ULTIMATE.start_main_~i~4 140), 156432#(<= ULTIMATE.start_main_~i~4 137), 156433#(<= ULTIMATE.start_main_~i~4 138), 156438#(<= ULTIMATE.start_main_~i~4 143), 156439#(<= ULTIMATE.start_main_~i~4 144), 156436#(<= ULTIMATE.start_main_~i~4 141), 156437#(<= ULTIMATE.start_main_~i~4 142), 156442#(<= ULTIMATE.start_main_~i~4 147), 156443#(<= ULTIMATE.start_main_~i~4 148), 156440#(<= ULTIMATE.start_main_~i~4 145), 156441#(<= ULTIMATE.start_main_~i~4 146), 156446#(<= ULTIMATE.start_main_~i~4 151), 156447#(<= ULTIMATE.start_main_~i~4 152), 156444#(<= ULTIMATE.start_main_~i~4 149), 156445#(<= ULTIMATE.start_main_~i~4 150), 156450#(<= ULTIMATE.start_main_~i~4 155), 156451#(<= ULTIMATE.start_main_~i~4 156), 156448#(<= ULTIMATE.start_main_~i~4 153), 156449#(<= ULTIMATE.start_main_~i~4 154), 156454#(<= ULTIMATE.start_main_~i~4 159), 156455#(<= ULTIMATE.start_main_~i~4 160), 156452#(<= ULTIMATE.start_main_~i~4 157), 156453#(<= ULTIMATE.start_main_~i~4 158), 156458#(<= ULTIMATE.start_main_~i~4 163), 156459#(<= ULTIMATE.start_main_~i~4 164), 156456#(<= ULTIMATE.start_main_~i~4 161), 156457#(<= ULTIMATE.start_main_~i~4 162), 156462#(<= ULTIMATE.start_main_~i~4 167), 156463#(<= ULTIMATE.start_main_~i~4 168), 156460#(<= ULTIMATE.start_main_~i~4 165), 156461#(<= ULTIMATE.start_main_~i~4 166), 156466#(<= ULTIMATE.start_main_~i~4 171), 156467#(<= ULTIMATE.start_main_~i~4 172), 156464#(<= ULTIMATE.start_main_~i~4 169), 156465#(<= ULTIMATE.start_main_~i~4 170), 156470#(<= ULTIMATE.start_main_~i~4 175), 156471#(<= ULTIMATE.start_main_~i~4 176), 156468#(<= ULTIMATE.start_main_~i~4 173), 156469#(<= ULTIMATE.start_main_~i~4 174), 156474#(<= ULTIMATE.start_main_~i~4 179), 156475#(<= ULTIMATE.start_main_~i~4 180), 156472#(<= ULTIMATE.start_main_~i~4 177), 156473#(<= ULTIMATE.start_main_~i~4 178), 156478#(<= ULTIMATE.start_main_~i~4 183), 156476#(<= ULTIMATE.start_main_~i~4 181), 156477#(<= ULTIMATE.start_main_~i~4 182), 156294#false, 156295#(<= ULTIMATE.start_main_~i~4 0), 156293#true, 156298#(<= ULTIMATE.start_main_~i~4 3), 156299#(<= ULTIMATE.start_main_~i~4 4), 156296#(<= ULTIMATE.start_main_~i~4 1), 156297#(<= ULTIMATE.start_main_~i~4 2), 156302#(<= ULTIMATE.start_main_~i~4 7), 156303#(<= ULTIMATE.start_main_~i~4 8), 156300#(<= ULTIMATE.start_main_~i~4 5), 156301#(<= ULTIMATE.start_main_~i~4 6), 156306#(<= ULTIMATE.start_main_~i~4 11), 156307#(<= ULTIMATE.start_main_~i~4 12), 156304#(<= ULTIMATE.start_main_~i~4 9), 156305#(<= ULTIMATE.start_main_~i~4 10), 156310#(<= ULTIMATE.start_main_~i~4 15), 156311#(<= ULTIMATE.start_main_~i~4 16), 156308#(<= ULTIMATE.start_main_~i~4 13), 156309#(<= ULTIMATE.start_main_~i~4 14), 156314#(<= ULTIMATE.start_main_~i~4 19), 156315#(<= ULTIMATE.start_main_~i~4 20), 156312#(<= ULTIMATE.start_main_~i~4 17), 156313#(<= ULTIMATE.start_main_~i~4 18), 156318#(<= ULTIMATE.start_main_~i~4 23), 156319#(<= ULTIMATE.start_main_~i~4 24), 156316#(<= ULTIMATE.start_main_~i~4 21), 156317#(<= ULTIMATE.start_main_~i~4 22), 156322#(<= ULTIMATE.start_main_~i~4 27), 156323#(<= ULTIMATE.start_main_~i~4 28), 156320#(<= ULTIMATE.start_main_~i~4 25), 156321#(<= ULTIMATE.start_main_~i~4 26), 156326#(<= ULTIMATE.start_main_~i~4 31), 156327#(<= ULTIMATE.start_main_~i~4 32), 156324#(<= ULTIMATE.start_main_~i~4 29), 156325#(<= ULTIMATE.start_main_~i~4 30), 156330#(<= ULTIMATE.start_main_~i~4 35), 156331#(<= ULTIMATE.start_main_~i~4 36), 156328#(<= ULTIMATE.start_main_~i~4 33), 156329#(<= ULTIMATE.start_main_~i~4 34), 156334#(<= ULTIMATE.start_main_~i~4 39), 156335#(<= ULTIMATE.start_main_~i~4 40), 156332#(<= ULTIMATE.start_main_~i~4 37), 156333#(<= ULTIMATE.start_main_~i~4 38), 156338#(<= ULTIMATE.start_main_~i~4 43), 156339#(<= ULTIMATE.start_main_~i~4 44), 156336#(<= ULTIMATE.start_main_~i~4 41), 156337#(<= ULTIMATE.start_main_~i~4 42), 156342#(<= ULTIMATE.start_main_~i~4 47), 156343#(<= ULTIMATE.start_main_~i~4 48), 156340#(<= ULTIMATE.start_main_~i~4 45), 156341#(<= ULTIMATE.start_main_~i~4 46), 156346#(<= ULTIMATE.start_main_~i~4 51), 156347#(<= ULTIMATE.start_main_~i~4 52), 156344#(<= ULTIMATE.start_main_~i~4 49), 156345#(<= ULTIMATE.start_main_~i~4 50), 156350#(<= ULTIMATE.start_main_~i~4 55), 156351#(<= ULTIMATE.start_main_~i~4 56), 156348#(<= ULTIMATE.start_main_~i~4 53), 156349#(<= ULTIMATE.start_main_~i~4 54), 156354#(<= ULTIMATE.start_main_~i~4 59), 156355#(<= ULTIMATE.start_main_~i~4 60), 156352#(<= ULTIMATE.start_main_~i~4 57), 156353#(<= ULTIMATE.start_main_~i~4 58), 156358#(<= ULTIMATE.start_main_~i~4 63), 156359#(<= ULTIMATE.start_main_~i~4 64), 156356#(<= ULTIMATE.start_main_~i~4 61), 156357#(<= ULTIMATE.start_main_~i~4 62), 156362#(<= ULTIMATE.start_main_~i~4 67), 156363#(<= ULTIMATE.start_main_~i~4 68), 156360#(<= ULTIMATE.start_main_~i~4 65), 156361#(<= ULTIMATE.start_main_~i~4 66), 156366#(<= ULTIMATE.start_main_~i~4 71), 156367#(<= ULTIMATE.start_main_~i~4 72), 156364#(<= ULTIMATE.start_main_~i~4 69), 156365#(<= ULTIMATE.start_main_~i~4 70), 156370#(<= ULTIMATE.start_main_~i~4 75), 156371#(<= ULTIMATE.start_main_~i~4 76), 156368#(<= ULTIMATE.start_main_~i~4 73), 156369#(<= ULTIMATE.start_main_~i~4 74), 156374#(<= ULTIMATE.start_main_~i~4 79), 156375#(<= ULTIMATE.start_main_~i~4 80), 156372#(<= ULTIMATE.start_main_~i~4 77), 156373#(<= ULTIMATE.start_main_~i~4 78), 156378#(<= ULTIMATE.start_main_~i~4 83), 156379#(<= ULTIMATE.start_main_~i~4 84), 156376#(<= ULTIMATE.start_main_~i~4 81), 156377#(<= ULTIMATE.start_main_~i~4 82), 156382#(<= ULTIMATE.start_main_~i~4 87), 156383#(<= ULTIMATE.start_main_~i~4 88), 156380#(<= ULTIMATE.start_main_~i~4 85), 156381#(<= ULTIMATE.start_main_~i~4 86), 156386#(<= ULTIMATE.start_main_~i~4 91), 156387#(<= ULTIMATE.start_main_~i~4 92), 156384#(<= ULTIMATE.start_main_~i~4 89), 156385#(<= ULTIMATE.start_main_~i~4 90), 156390#(<= ULTIMATE.start_main_~i~4 95), 156391#(<= ULTIMATE.start_main_~i~4 96), 156388#(<= ULTIMATE.start_main_~i~4 93), 156389#(<= ULTIMATE.start_main_~i~4 94), 156394#(<= ULTIMATE.start_main_~i~4 99), 156395#(<= ULTIMATE.start_main_~i~4 100), 156392#(<= ULTIMATE.start_main_~i~4 97), 156393#(<= ULTIMATE.start_main_~i~4 98), 156398#(<= ULTIMATE.start_main_~i~4 103), 156399#(<= ULTIMATE.start_main_~i~4 104), 156396#(<= ULTIMATE.start_main_~i~4 101), 156397#(<= ULTIMATE.start_main_~i~4 102), 156402#(<= ULTIMATE.start_main_~i~4 107), 156403#(<= ULTIMATE.start_main_~i~4 108), 156400#(<= ULTIMATE.start_main_~i~4 105), 156401#(<= ULTIMATE.start_main_~i~4 106), 156406#(<= ULTIMATE.start_main_~i~4 111), 156407#(<= ULTIMATE.start_main_~i~4 112), 156404#(<= ULTIMATE.start_main_~i~4 109), 156405#(<= ULTIMATE.start_main_~i~4 110), 156410#(<= ULTIMATE.start_main_~i~4 115), 156411#(<= ULTIMATE.start_main_~i~4 116), 156408#(<= ULTIMATE.start_main_~i~4 113), 156409#(<= ULTIMATE.start_main_~i~4 114), 156414#(<= ULTIMATE.start_main_~i~4 119), 156415#(<= ULTIMATE.start_main_~i~4 120), 156412#(<= ULTIMATE.start_main_~i~4 117), 156413#(<= ULTIMATE.start_main_~i~4 118)] [2018-07-23 13:45:09,440 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 13:45:09,440 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:45:09,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:45:09,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:45:09,444 INFO L87 Difference]: Start difference. First operand 371 states and 371 transitions. Second operand 186 states. [2018-07-23 13:45:09,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,903 INFO L93 Difference]: Finished difference Result 375 states and 375 transitions. [2018-07-23 13:45:09,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:45:09,903 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 370 [2018-07-23 13:45:09,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,904 INFO L225 Difference]: With dead ends: 375 [2018-07-23 13:45:09,904 INFO L226 Difference]: Without dead ends: 373 [2018-07-23 13:45:09,906 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 13:45:09,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-07-23 13:45:09,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-07-23 13:45:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-07-23 13:45:09,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 373 transitions. [2018-07-23 13:45:09,910 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 373 transitions. Word has length 370 [2018-07-23 13:45:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,910 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 373 transitions. [2018-07-23 13:45:09,910 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:45:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 373 transitions. [2018-07-23 13:45:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-07-23 13:45:09,911 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,911 INFO L357 BasicCegarLoop]: trace histogram [185, 184, 1, 1, 1] [2018-07-23 13:45:09,911 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,911 INFO L82 PathProgramCache]: Analyzing trace with hash 36062071, now seen corresponding path program 184 times [2018-07-23 13:45:09,911 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,859 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 13:45:10,859 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:45:10,859 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,860 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 13:45:10,860 INFO L185 omatonBuilderFactory]: Interpolants [157975#true, 157978#(<= ULTIMATE.start_main_~i~4 1), 157979#(<= ULTIMATE.start_main_~i~4 2), 157976#false, 157977#(<= ULTIMATE.start_main_~i~4 0), 157982#(<= ULTIMATE.start_main_~i~4 5), 157983#(<= ULTIMATE.start_main_~i~4 6), 157980#(<= ULTIMATE.start_main_~i~4 3), 157981#(<= ULTIMATE.start_main_~i~4 4), 157986#(<= ULTIMATE.start_main_~i~4 9), 157987#(<= ULTIMATE.start_main_~i~4 10), 157984#(<= ULTIMATE.start_main_~i~4 7), 157985#(<= ULTIMATE.start_main_~i~4 8), 157990#(<= ULTIMATE.start_main_~i~4 13), 157991#(<= ULTIMATE.start_main_~i~4 14), 157988#(<= ULTIMATE.start_main_~i~4 11), 157989#(<= ULTIMATE.start_main_~i~4 12), 157994#(<= ULTIMATE.start_main_~i~4 17), 157995#(<= ULTIMATE.start_main_~i~4 18), 157992#(<= ULTIMATE.start_main_~i~4 15), 157993#(<= ULTIMATE.start_main_~i~4 16), 157998#(<= ULTIMATE.start_main_~i~4 21), 157999#(<= ULTIMATE.start_main_~i~4 22), 157996#(<= ULTIMATE.start_main_~i~4 19), 157997#(<= ULTIMATE.start_main_~i~4 20), 158002#(<= ULTIMATE.start_main_~i~4 25), 158003#(<= ULTIMATE.start_main_~i~4 26), 158000#(<= ULTIMATE.start_main_~i~4 23), 158001#(<= ULTIMATE.start_main_~i~4 24), 158006#(<= ULTIMATE.start_main_~i~4 29), 158007#(<= ULTIMATE.start_main_~i~4 30), 158004#(<= ULTIMATE.start_main_~i~4 27), 158005#(<= ULTIMATE.start_main_~i~4 28), 158010#(<= ULTIMATE.start_main_~i~4 33), 158011#(<= ULTIMATE.start_main_~i~4 34), 158008#(<= ULTIMATE.start_main_~i~4 31), 158009#(<= ULTIMATE.start_main_~i~4 32), 158014#(<= ULTIMATE.start_main_~i~4 37), 158015#(<= ULTIMATE.start_main_~i~4 38), 158012#(<= ULTIMATE.start_main_~i~4 35), 158013#(<= ULTIMATE.start_main_~i~4 36), 158018#(<= ULTIMATE.start_main_~i~4 41), 158019#(<= ULTIMATE.start_main_~i~4 42), 158016#(<= ULTIMATE.start_main_~i~4 39), 158017#(<= ULTIMATE.start_main_~i~4 40), 158022#(<= ULTIMATE.start_main_~i~4 45), 158023#(<= ULTIMATE.start_main_~i~4 46), 158020#(<= ULTIMATE.start_main_~i~4 43), 158021#(<= ULTIMATE.start_main_~i~4 44), 158026#(<= ULTIMATE.start_main_~i~4 49), 158027#(<= ULTIMATE.start_main_~i~4 50), 158024#(<= ULTIMATE.start_main_~i~4 47), 158025#(<= ULTIMATE.start_main_~i~4 48), 158030#(<= ULTIMATE.start_main_~i~4 53), 158031#(<= ULTIMATE.start_main_~i~4 54), 158028#(<= ULTIMATE.start_main_~i~4 51), 158029#(<= ULTIMATE.start_main_~i~4 52), 158034#(<= ULTIMATE.start_main_~i~4 57), 158035#(<= ULTIMATE.start_main_~i~4 58), 158032#(<= ULTIMATE.start_main_~i~4 55), 158033#(<= ULTIMATE.start_main_~i~4 56), 158038#(<= ULTIMATE.start_main_~i~4 61), 158039#(<= ULTIMATE.start_main_~i~4 62), 158036#(<= ULTIMATE.start_main_~i~4 59), 158037#(<= ULTIMATE.start_main_~i~4 60), 158042#(<= ULTIMATE.start_main_~i~4 65), 158043#(<= ULTIMATE.start_main_~i~4 66), 158040#(<= ULTIMATE.start_main_~i~4 63), 158041#(<= ULTIMATE.start_main_~i~4 64), 158046#(<= ULTIMATE.start_main_~i~4 69), 158047#(<= ULTIMATE.start_main_~i~4 70), 158044#(<= ULTIMATE.start_main_~i~4 67), 158045#(<= ULTIMATE.start_main_~i~4 68), 158050#(<= ULTIMATE.start_main_~i~4 73), 158051#(<= ULTIMATE.start_main_~i~4 74), 158048#(<= ULTIMATE.start_main_~i~4 71), 158049#(<= ULTIMATE.start_main_~i~4 72), 158054#(<= ULTIMATE.start_main_~i~4 77), 158055#(<= ULTIMATE.start_main_~i~4 78), 158052#(<= ULTIMATE.start_main_~i~4 75), 158053#(<= ULTIMATE.start_main_~i~4 76), 158058#(<= ULTIMATE.start_main_~i~4 81), 158059#(<= ULTIMATE.start_main_~i~4 82), 158056#(<= ULTIMATE.start_main_~i~4 79), 158057#(<= ULTIMATE.start_main_~i~4 80), 158062#(<= ULTIMATE.start_main_~i~4 85), 158063#(<= ULTIMATE.start_main_~i~4 86), 158060#(<= ULTIMATE.start_main_~i~4 83), 158061#(<= ULTIMATE.start_main_~i~4 84), 158066#(<= ULTIMATE.start_main_~i~4 89), 158067#(<= ULTIMATE.start_main_~i~4 90), 158064#(<= ULTIMATE.start_main_~i~4 87), 158065#(<= ULTIMATE.start_main_~i~4 88), 158070#(<= ULTIMATE.start_main_~i~4 93), 158071#(<= ULTIMATE.start_main_~i~4 94), 158068#(<= ULTIMATE.start_main_~i~4 91), 158069#(<= ULTIMATE.start_main_~i~4 92), 158074#(<= ULTIMATE.start_main_~i~4 97), 158075#(<= ULTIMATE.start_main_~i~4 98), 158072#(<= ULTIMATE.start_main_~i~4 95), 158073#(<= ULTIMATE.start_main_~i~4 96), 158078#(<= ULTIMATE.start_main_~i~4 101), 158079#(<= ULTIMATE.start_main_~i~4 102), 158076#(<= ULTIMATE.start_main_~i~4 99), 158077#(<= ULTIMATE.start_main_~i~4 100), 158082#(<= ULTIMATE.start_main_~i~4 105), 158083#(<= ULTIMATE.start_main_~i~4 106), 158080#(<= ULTIMATE.start_main_~i~4 103), 158081#(<= ULTIMATE.start_main_~i~4 104), 158086#(<= ULTIMATE.start_main_~i~4 109), 158087#(<= ULTIMATE.start_main_~i~4 110), 158084#(<= ULTIMATE.start_main_~i~4 107), 158085#(<= ULTIMATE.start_main_~i~4 108), 158090#(<= ULTIMATE.start_main_~i~4 113), 158091#(<= ULTIMATE.start_main_~i~4 114), 158088#(<= ULTIMATE.start_main_~i~4 111), 158089#(<= ULTIMATE.start_main_~i~4 112), 158094#(<= ULTIMATE.start_main_~i~4 117), 158095#(<= ULTIMATE.start_main_~i~4 118), 158092#(<= ULTIMATE.start_main_~i~4 115), 158093#(<= ULTIMATE.start_main_~i~4 116), 158098#(<= ULTIMATE.start_main_~i~4 121), 158099#(<= ULTIMATE.start_main_~i~4 122), 158096#(<= ULTIMATE.start_main_~i~4 119), 158097#(<= ULTIMATE.start_main_~i~4 120), 158102#(<= ULTIMATE.start_main_~i~4 125), 158103#(<= ULTIMATE.start_main_~i~4 126), 158100#(<= ULTIMATE.start_main_~i~4 123), 158101#(<= ULTIMATE.start_main_~i~4 124), 158106#(<= ULTIMATE.start_main_~i~4 129), 158107#(<= ULTIMATE.start_main_~i~4 130), 158104#(<= ULTIMATE.start_main_~i~4 127), 158105#(<= ULTIMATE.start_main_~i~4 128), 158110#(<= ULTIMATE.start_main_~i~4 133), 158111#(<= ULTIMATE.start_main_~i~4 134), 158108#(<= ULTIMATE.start_main_~i~4 131), 158109#(<= ULTIMATE.start_main_~i~4 132), 158114#(<= ULTIMATE.start_main_~i~4 137), 158115#(<= ULTIMATE.start_main_~i~4 138), 158112#(<= ULTIMATE.start_main_~i~4 135), 158113#(<= ULTIMATE.start_main_~i~4 136), 158118#(<= ULTIMATE.start_main_~i~4 141), 158119#(<= ULTIMATE.start_main_~i~4 142), 158116#(<= ULTIMATE.start_main_~i~4 139), 158117#(<= ULTIMATE.start_main_~i~4 140), 158122#(<= ULTIMATE.start_main_~i~4 145), 158123#(<= ULTIMATE.start_main_~i~4 146), 158120#(<= ULTIMATE.start_main_~i~4 143), 158121#(<= ULTIMATE.start_main_~i~4 144), 158126#(<= ULTIMATE.start_main_~i~4 149), 158127#(<= ULTIMATE.start_main_~i~4 150), 158124#(<= ULTIMATE.start_main_~i~4 147), 158125#(<= ULTIMATE.start_main_~i~4 148), 158130#(<= ULTIMATE.start_main_~i~4 153), 158131#(<= ULTIMATE.start_main_~i~4 154), 158128#(<= ULTIMATE.start_main_~i~4 151), 158129#(<= ULTIMATE.start_main_~i~4 152), 158134#(<= ULTIMATE.start_main_~i~4 157), 158135#(<= ULTIMATE.start_main_~i~4 158), 158132#(<= ULTIMATE.start_main_~i~4 155), 158133#(<= ULTIMATE.start_main_~i~4 156), 158138#(<= ULTIMATE.start_main_~i~4 161), 158139#(<= ULTIMATE.start_main_~i~4 162), 158136#(<= ULTIMATE.start_main_~i~4 159), 158137#(<= ULTIMATE.start_main_~i~4 160), 158142#(<= ULTIMATE.start_main_~i~4 165), 158143#(<= ULTIMATE.start_main_~i~4 166), 158140#(<= ULTIMATE.start_main_~i~4 163), 158141#(<= ULTIMATE.start_main_~i~4 164), 158146#(<= ULTIMATE.start_main_~i~4 169), 158147#(<= ULTIMATE.start_main_~i~4 170), 158144#(<= ULTIMATE.start_main_~i~4 167), 158145#(<= ULTIMATE.start_main_~i~4 168), 158150#(<= ULTIMATE.start_main_~i~4 173), 158151#(<= ULTIMATE.start_main_~i~4 174), 158148#(<= ULTIMATE.start_main_~i~4 171), 158149#(<= ULTIMATE.start_main_~i~4 172), 158154#(<= ULTIMATE.start_main_~i~4 177), 158155#(<= ULTIMATE.start_main_~i~4 178), 158152#(<= ULTIMATE.start_main_~i~4 175), 158153#(<= ULTIMATE.start_main_~i~4 176), 158158#(<= ULTIMATE.start_main_~i~4 181), 158159#(<= ULTIMATE.start_main_~i~4 182), 158156#(<= ULTIMATE.start_main_~i~4 179), 158157#(<= ULTIMATE.start_main_~i~4 180), 158160#(<= ULTIMATE.start_main_~i~4 183), 158161#(<= ULTIMATE.start_main_~i~4 184)] [2018-07-23 13:45:10,861 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 13:45:10,861 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:45:10,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:45:10,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:45:10,863 INFO L87 Difference]: Start difference. First operand 373 states and 373 transitions. Second operand 187 states. [2018-07-23 13:45:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,321 INFO L93 Difference]: Finished difference Result 377 states and 377 transitions. [2018-07-23 13:45:12,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:45:12,321 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 372 [2018-07-23 13:45:12,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,322 INFO L225 Difference]: With dead ends: 377 [2018-07-23 13:45:12,322 INFO L226 Difference]: Without dead ends: 375 [2018-07-23 13:45:12,323 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:45:12,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-07-23 13:45:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-07-23 13:45:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-07-23 13:45:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 375 transitions. [2018-07-23 13:45:12,326 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 375 transitions. Word has length 372 [2018-07-23 13:45:12,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,326 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 375 transitions. [2018-07-23 13:45:12,326 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:45:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 375 transitions. [2018-07-23 13:45:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-07-23 13:45:12,327 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,328 INFO L357 BasicCegarLoop]: trace histogram [186, 185, 1, 1, 1] [2018-07-23 13:45:12,328 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,328 INFO L82 PathProgramCache]: Analyzing trace with hash 295963953, now seen corresponding path program 185 times [2018-07-23 13:45:12,328 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,334 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 13:45:13,334 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,334 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:45:13,334 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,335 INFO L185 omatonBuilderFactory]: Interpolants [159746#(<= ULTIMATE.start_main_~i~4 78), 159747#(<= ULTIMATE.start_main_~i~4 79), 159744#(<= ULTIMATE.start_main_~i~4 76), 159745#(<= ULTIMATE.start_main_~i~4 77), 159750#(<= ULTIMATE.start_main_~i~4 82), 159751#(<= ULTIMATE.start_main_~i~4 83), 159748#(<= ULTIMATE.start_main_~i~4 80), 159749#(<= ULTIMATE.start_main_~i~4 81), 159754#(<= ULTIMATE.start_main_~i~4 86), 159755#(<= ULTIMATE.start_main_~i~4 87), 159752#(<= ULTIMATE.start_main_~i~4 84), 159753#(<= ULTIMATE.start_main_~i~4 85), 159758#(<= ULTIMATE.start_main_~i~4 90), 159759#(<= ULTIMATE.start_main_~i~4 91), 159756#(<= ULTIMATE.start_main_~i~4 88), 159757#(<= ULTIMATE.start_main_~i~4 89), 159762#(<= ULTIMATE.start_main_~i~4 94), 159763#(<= ULTIMATE.start_main_~i~4 95), 159760#(<= ULTIMATE.start_main_~i~4 92), 159761#(<= ULTIMATE.start_main_~i~4 93), 159766#(<= ULTIMATE.start_main_~i~4 98), 159767#(<= ULTIMATE.start_main_~i~4 99), 159764#(<= ULTIMATE.start_main_~i~4 96), 159765#(<= ULTIMATE.start_main_~i~4 97), 159770#(<= ULTIMATE.start_main_~i~4 102), 159771#(<= ULTIMATE.start_main_~i~4 103), 159768#(<= ULTIMATE.start_main_~i~4 100), 159769#(<= ULTIMATE.start_main_~i~4 101), 159774#(<= ULTIMATE.start_main_~i~4 106), 159775#(<= ULTIMATE.start_main_~i~4 107), 159772#(<= ULTIMATE.start_main_~i~4 104), 159773#(<= ULTIMATE.start_main_~i~4 105), 159778#(<= ULTIMATE.start_main_~i~4 110), 159779#(<= ULTIMATE.start_main_~i~4 111), 159776#(<= ULTIMATE.start_main_~i~4 108), 159777#(<= ULTIMATE.start_main_~i~4 109), 159782#(<= ULTIMATE.start_main_~i~4 114), 159783#(<= ULTIMATE.start_main_~i~4 115), 159780#(<= ULTIMATE.start_main_~i~4 112), 159781#(<= ULTIMATE.start_main_~i~4 113), 159786#(<= ULTIMATE.start_main_~i~4 118), 159787#(<= ULTIMATE.start_main_~i~4 119), 159784#(<= ULTIMATE.start_main_~i~4 116), 159785#(<= ULTIMATE.start_main_~i~4 117), 159790#(<= ULTIMATE.start_main_~i~4 122), 159791#(<= ULTIMATE.start_main_~i~4 123), 159788#(<= ULTIMATE.start_main_~i~4 120), 159789#(<= ULTIMATE.start_main_~i~4 121), 159794#(<= ULTIMATE.start_main_~i~4 126), 159795#(<= ULTIMATE.start_main_~i~4 127), 159792#(<= ULTIMATE.start_main_~i~4 124), 159793#(<= ULTIMATE.start_main_~i~4 125), 159798#(<= ULTIMATE.start_main_~i~4 130), 159799#(<= ULTIMATE.start_main_~i~4 131), 159796#(<= ULTIMATE.start_main_~i~4 128), 159797#(<= ULTIMATE.start_main_~i~4 129), 159802#(<= ULTIMATE.start_main_~i~4 134), 159803#(<= ULTIMATE.start_main_~i~4 135), 159800#(<= ULTIMATE.start_main_~i~4 132), 159801#(<= ULTIMATE.start_main_~i~4 133), 159806#(<= ULTIMATE.start_main_~i~4 138), 159807#(<= ULTIMATE.start_main_~i~4 139), 159804#(<= ULTIMATE.start_main_~i~4 136), 159805#(<= ULTIMATE.start_main_~i~4 137), 159810#(<= ULTIMATE.start_main_~i~4 142), 159811#(<= ULTIMATE.start_main_~i~4 143), 159808#(<= ULTIMATE.start_main_~i~4 140), 159809#(<= ULTIMATE.start_main_~i~4 141), 159814#(<= ULTIMATE.start_main_~i~4 146), 159815#(<= ULTIMATE.start_main_~i~4 147), 159812#(<= ULTIMATE.start_main_~i~4 144), 159813#(<= ULTIMATE.start_main_~i~4 145), 159818#(<= ULTIMATE.start_main_~i~4 150), 159819#(<= ULTIMATE.start_main_~i~4 151), 159816#(<= ULTIMATE.start_main_~i~4 148), 159817#(<= ULTIMATE.start_main_~i~4 149), 159822#(<= ULTIMATE.start_main_~i~4 154), 159823#(<= ULTIMATE.start_main_~i~4 155), 159820#(<= ULTIMATE.start_main_~i~4 152), 159821#(<= ULTIMATE.start_main_~i~4 153), 159826#(<= ULTIMATE.start_main_~i~4 158), 159827#(<= ULTIMATE.start_main_~i~4 159), 159824#(<= ULTIMATE.start_main_~i~4 156), 159825#(<= ULTIMATE.start_main_~i~4 157), 159830#(<= ULTIMATE.start_main_~i~4 162), 159831#(<= ULTIMATE.start_main_~i~4 163), 159828#(<= ULTIMATE.start_main_~i~4 160), 159829#(<= ULTIMATE.start_main_~i~4 161), 159834#(<= ULTIMATE.start_main_~i~4 166), 159835#(<= ULTIMATE.start_main_~i~4 167), 159832#(<= ULTIMATE.start_main_~i~4 164), 159833#(<= ULTIMATE.start_main_~i~4 165), 159838#(<= ULTIMATE.start_main_~i~4 170), 159839#(<= ULTIMATE.start_main_~i~4 171), 159836#(<= ULTIMATE.start_main_~i~4 168), 159837#(<= ULTIMATE.start_main_~i~4 169), 159842#(<= ULTIMATE.start_main_~i~4 174), 159843#(<= ULTIMATE.start_main_~i~4 175), 159840#(<= ULTIMATE.start_main_~i~4 172), 159841#(<= ULTIMATE.start_main_~i~4 173), 159846#(<= ULTIMATE.start_main_~i~4 178), 159847#(<= ULTIMATE.start_main_~i~4 179), 159844#(<= ULTIMATE.start_main_~i~4 176), 159845#(<= ULTIMATE.start_main_~i~4 177), 159850#(<= ULTIMATE.start_main_~i~4 182), 159851#(<= ULTIMATE.start_main_~i~4 183), 159848#(<= ULTIMATE.start_main_~i~4 180), 159849#(<= ULTIMATE.start_main_~i~4 181), 159852#(<= ULTIMATE.start_main_~i~4 184), 159853#(<= ULTIMATE.start_main_~i~4 185), 159666#true, 159667#false, 159670#(<= ULTIMATE.start_main_~i~4 2), 159671#(<= ULTIMATE.start_main_~i~4 3), 159668#(<= ULTIMATE.start_main_~i~4 0), 159669#(<= ULTIMATE.start_main_~i~4 1), 159674#(<= ULTIMATE.start_main_~i~4 6), 159675#(<= ULTIMATE.start_main_~i~4 7), 159672#(<= ULTIMATE.start_main_~i~4 4), 159673#(<= ULTIMATE.start_main_~i~4 5), 159678#(<= ULTIMATE.start_main_~i~4 10), 159679#(<= ULTIMATE.start_main_~i~4 11), 159676#(<= ULTIMATE.start_main_~i~4 8), 159677#(<= ULTIMATE.start_main_~i~4 9), 159682#(<= ULTIMATE.start_main_~i~4 14), 159683#(<= ULTIMATE.start_main_~i~4 15), 159680#(<= ULTIMATE.start_main_~i~4 12), 159681#(<= ULTIMATE.start_main_~i~4 13), 159686#(<= ULTIMATE.start_main_~i~4 18), 159687#(<= ULTIMATE.start_main_~i~4 19), 159684#(<= ULTIMATE.start_main_~i~4 16), 159685#(<= ULTIMATE.start_main_~i~4 17), 159690#(<= ULTIMATE.start_main_~i~4 22), 159691#(<= ULTIMATE.start_main_~i~4 23), 159688#(<= ULTIMATE.start_main_~i~4 20), 159689#(<= ULTIMATE.start_main_~i~4 21), 159694#(<= ULTIMATE.start_main_~i~4 26), 159695#(<= ULTIMATE.start_main_~i~4 27), 159692#(<= ULTIMATE.start_main_~i~4 24), 159693#(<= ULTIMATE.start_main_~i~4 25), 159698#(<= ULTIMATE.start_main_~i~4 30), 159699#(<= ULTIMATE.start_main_~i~4 31), 159696#(<= ULTIMATE.start_main_~i~4 28), 159697#(<= ULTIMATE.start_main_~i~4 29), 159702#(<= ULTIMATE.start_main_~i~4 34), 159703#(<= ULTIMATE.start_main_~i~4 35), 159700#(<= ULTIMATE.start_main_~i~4 32), 159701#(<= ULTIMATE.start_main_~i~4 33), 159706#(<= ULTIMATE.start_main_~i~4 38), 159707#(<= ULTIMATE.start_main_~i~4 39), 159704#(<= ULTIMATE.start_main_~i~4 36), 159705#(<= ULTIMATE.start_main_~i~4 37), 159710#(<= ULTIMATE.start_main_~i~4 42), 159711#(<= ULTIMATE.start_main_~i~4 43), 159708#(<= ULTIMATE.start_main_~i~4 40), 159709#(<= ULTIMATE.start_main_~i~4 41), 159714#(<= ULTIMATE.start_main_~i~4 46), 159715#(<= ULTIMATE.start_main_~i~4 47), 159712#(<= ULTIMATE.start_main_~i~4 44), 159713#(<= ULTIMATE.start_main_~i~4 45), 159718#(<= ULTIMATE.start_main_~i~4 50), 159719#(<= ULTIMATE.start_main_~i~4 51), 159716#(<= ULTIMATE.start_main_~i~4 48), 159717#(<= ULTIMATE.start_main_~i~4 49), 159722#(<= ULTIMATE.start_main_~i~4 54), 159723#(<= ULTIMATE.start_main_~i~4 55), 159720#(<= ULTIMATE.start_main_~i~4 52), 159721#(<= ULTIMATE.start_main_~i~4 53), 159726#(<= ULTIMATE.start_main_~i~4 58), 159727#(<= ULTIMATE.start_main_~i~4 59), 159724#(<= ULTIMATE.start_main_~i~4 56), 159725#(<= ULTIMATE.start_main_~i~4 57), 159730#(<= ULTIMATE.start_main_~i~4 62), 159731#(<= ULTIMATE.start_main_~i~4 63), 159728#(<= ULTIMATE.start_main_~i~4 60), 159729#(<= ULTIMATE.start_main_~i~4 61), 159734#(<= ULTIMATE.start_main_~i~4 66), 159735#(<= ULTIMATE.start_main_~i~4 67), 159732#(<= ULTIMATE.start_main_~i~4 64), 159733#(<= ULTIMATE.start_main_~i~4 65), 159738#(<= ULTIMATE.start_main_~i~4 70), 159739#(<= ULTIMATE.start_main_~i~4 71), 159736#(<= ULTIMATE.start_main_~i~4 68), 159737#(<= ULTIMATE.start_main_~i~4 69), 159742#(<= ULTIMATE.start_main_~i~4 74), 159743#(<= ULTIMATE.start_main_~i~4 75), 159740#(<= ULTIMATE.start_main_~i~4 72), 159741#(<= ULTIMATE.start_main_~i~4 73)] [2018-07-23 13:45:13,337 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 13:45:13,337 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:45:13,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:45:13,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:45:13,341 INFO L87 Difference]: Start difference. First operand 375 states and 375 transitions. Second operand 188 states. [2018-07-23 13:45:14,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,082 INFO L93 Difference]: Finished difference Result 379 states and 379 transitions. [2018-07-23 13:45:14,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:45:14,082 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 374 [2018-07-23 13:45:14,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,082 INFO L225 Difference]: With dead ends: 379 [2018-07-23 13:45:14,083 INFO L226 Difference]: Without dead ends: 377 [2018-07-23 13:45:14,085 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 13:45:14,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-07-23 13:45:14,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-07-23 13:45:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-07-23 13:45:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 377 transitions. [2018-07-23 13:45:14,088 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 377 transitions. Word has length 374 [2018-07-23 13:45:14,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:14,089 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 377 transitions. [2018-07-23 13:45:14,089 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:45:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 377 transitions. [2018-07-23 13:45:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-07-23 13:45:14,090 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:14,090 INFO L357 BasicCegarLoop]: trace histogram [187, 186, 1, 1, 1] [2018-07-23 13:45:14,090 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:14,090 INFO L82 PathProgramCache]: Analyzing trace with hash 953569387, now seen corresponding path program 186 times [2018-07-23 13:45:14,090 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:15,210 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 13:45:15,210 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:15,210 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:45:15,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,211 INFO L185 omatonBuilderFactory]: Interpolants [161538#(<= ULTIMATE.start_main_~i~4 170), 161539#(<= ULTIMATE.start_main_~i~4 171), 161536#(<= ULTIMATE.start_main_~i~4 168), 161537#(<= ULTIMATE.start_main_~i~4 169), 161542#(<= ULTIMATE.start_main_~i~4 174), 161543#(<= ULTIMATE.start_main_~i~4 175), 161540#(<= ULTIMATE.start_main_~i~4 172), 161541#(<= ULTIMATE.start_main_~i~4 173), 161546#(<= ULTIMATE.start_main_~i~4 178), 161547#(<= ULTIMATE.start_main_~i~4 179), 161544#(<= ULTIMATE.start_main_~i~4 176), 161545#(<= ULTIMATE.start_main_~i~4 177), 161550#(<= ULTIMATE.start_main_~i~4 182), 161551#(<= ULTIMATE.start_main_~i~4 183), 161548#(<= ULTIMATE.start_main_~i~4 180), 161549#(<= ULTIMATE.start_main_~i~4 181), 161554#(<= ULTIMATE.start_main_~i~4 186), 161552#(<= ULTIMATE.start_main_~i~4 184), 161553#(<= ULTIMATE.start_main_~i~4 185), 161366#true, 161367#false, 161370#(<= ULTIMATE.start_main_~i~4 2), 161371#(<= ULTIMATE.start_main_~i~4 3), 161368#(<= ULTIMATE.start_main_~i~4 0), 161369#(<= ULTIMATE.start_main_~i~4 1), 161374#(<= ULTIMATE.start_main_~i~4 6), 161375#(<= ULTIMATE.start_main_~i~4 7), 161372#(<= ULTIMATE.start_main_~i~4 4), 161373#(<= ULTIMATE.start_main_~i~4 5), 161378#(<= ULTIMATE.start_main_~i~4 10), 161379#(<= ULTIMATE.start_main_~i~4 11), 161376#(<= ULTIMATE.start_main_~i~4 8), 161377#(<= ULTIMATE.start_main_~i~4 9), 161382#(<= ULTIMATE.start_main_~i~4 14), 161383#(<= ULTIMATE.start_main_~i~4 15), 161380#(<= ULTIMATE.start_main_~i~4 12), 161381#(<= ULTIMATE.start_main_~i~4 13), 161386#(<= ULTIMATE.start_main_~i~4 18), 161387#(<= ULTIMATE.start_main_~i~4 19), 161384#(<= ULTIMATE.start_main_~i~4 16), 161385#(<= ULTIMATE.start_main_~i~4 17), 161390#(<= ULTIMATE.start_main_~i~4 22), 161391#(<= ULTIMATE.start_main_~i~4 23), 161388#(<= ULTIMATE.start_main_~i~4 20), 161389#(<= ULTIMATE.start_main_~i~4 21), 161394#(<= ULTIMATE.start_main_~i~4 26), 161395#(<= ULTIMATE.start_main_~i~4 27), 161392#(<= ULTIMATE.start_main_~i~4 24), 161393#(<= ULTIMATE.start_main_~i~4 25), 161398#(<= ULTIMATE.start_main_~i~4 30), 161399#(<= ULTIMATE.start_main_~i~4 31), 161396#(<= ULTIMATE.start_main_~i~4 28), 161397#(<= ULTIMATE.start_main_~i~4 29), 161402#(<= ULTIMATE.start_main_~i~4 34), 161403#(<= ULTIMATE.start_main_~i~4 35), 161400#(<= ULTIMATE.start_main_~i~4 32), 161401#(<= ULTIMATE.start_main_~i~4 33), 161406#(<= ULTIMATE.start_main_~i~4 38), 161407#(<= ULTIMATE.start_main_~i~4 39), 161404#(<= ULTIMATE.start_main_~i~4 36), 161405#(<= ULTIMATE.start_main_~i~4 37), 161410#(<= ULTIMATE.start_main_~i~4 42), 161411#(<= ULTIMATE.start_main_~i~4 43), 161408#(<= ULTIMATE.start_main_~i~4 40), 161409#(<= ULTIMATE.start_main_~i~4 41), 161414#(<= ULTIMATE.start_main_~i~4 46), 161415#(<= ULTIMATE.start_main_~i~4 47), 161412#(<= ULTIMATE.start_main_~i~4 44), 161413#(<= ULTIMATE.start_main_~i~4 45), 161418#(<= ULTIMATE.start_main_~i~4 50), 161419#(<= ULTIMATE.start_main_~i~4 51), 161416#(<= ULTIMATE.start_main_~i~4 48), 161417#(<= ULTIMATE.start_main_~i~4 49), 161422#(<= ULTIMATE.start_main_~i~4 54), 161423#(<= ULTIMATE.start_main_~i~4 55), 161420#(<= ULTIMATE.start_main_~i~4 52), 161421#(<= ULTIMATE.start_main_~i~4 53), 161426#(<= ULTIMATE.start_main_~i~4 58), 161427#(<= ULTIMATE.start_main_~i~4 59), 161424#(<= ULTIMATE.start_main_~i~4 56), 161425#(<= ULTIMATE.start_main_~i~4 57), 161430#(<= ULTIMATE.start_main_~i~4 62), 161431#(<= ULTIMATE.start_main_~i~4 63), 161428#(<= ULTIMATE.start_main_~i~4 60), 161429#(<= ULTIMATE.start_main_~i~4 61), 161434#(<= ULTIMATE.start_main_~i~4 66), 161435#(<= ULTIMATE.start_main_~i~4 67), 161432#(<= ULTIMATE.start_main_~i~4 64), 161433#(<= ULTIMATE.start_main_~i~4 65), 161438#(<= ULTIMATE.start_main_~i~4 70), 161439#(<= ULTIMATE.start_main_~i~4 71), 161436#(<= ULTIMATE.start_main_~i~4 68), 161437#(<= ULTIMATE.start_main_~i~4 69), 161442#(<= ULTIMATE.start_main_~i~4 74), 161443#(<= ULTIMATE.start_main_~i~4 75), 161440#(<= ULTIMATE.start_main_~i~4 72), 161441#(<= ULTIMATE.start_main_~i~4 73), 161446#(<= ULTIMATE.start_main_~i~4 78), 161447#(<= ULTIMATE.start_main_~i~4 79), 161444#(<= ULTIMATE.start_main_~i~4 76), 161445#(<= ULTIMATE.start_main_~i~4 77), 161450#(<= ULTIMATE.start_main_~i~4 82), 161451#(<= ULTIMATE.start_main_~i~4 83), 161448#(<= ULTIMATE.start_main_~i~4 80), 161449#(<= ULTIMATE.start_main_~i~4 81), 161454#(<= ULTIMATE.start_main_~i~4 86), 161455#(<= ULTIMATE.start_main_~i~4 87), 161452#(<= ULTIMATE.start_main_~i~4 84), 161453#(<= ULTIMATE.start_main_~i~4 85), 161458#(<= ULTIMATE.start_main_~i~4 90), 161459#(<= ULTIMATE.start_main_~i~4 91), 161456#(<= ULTIMATE.start_main_~i~4 88), 161457#(<= ULTIMATE.start_main_~i~4 89), 161462#(<= ULTIMATE.start_main_~i~4 94), 161463#(<= ULTIMATE.start_main_~i~4 95), 161460#(<= ULTIMATE.start_main_~i~4 92), 161461#(<= ULTIMATE.start_main_~i~4 93), 161466#(<= ULTIMATE.start_main_~i~4 98), 161467#(<= ULTIMATE.start_main_~i~4 99), 161464#(<= ULTIMATE.start_main_~i~4 96), 161465#(<= ULTIMATE.start_main_~i~4 97), 161470#(<= ULTIMATE.start_main_~i~4 102), 161471#(<= ULTIMATE.start_main_~i~4 103), 161468#(<= ULTIMATE.start_main_~i~4 100), 161469#(<= ULTIMATE.start_main_~i~4 101), 161474#(<= ULTIMATE.start_main_~i~4 106), 161475#(<= ULTIMATE.start_main_~i~4 107), 161472#(<= ULTIMATE.start_main_~i~4 104), 161473#(<= ULTIMATE.start_main_~i~4 105), 161478#(<= ULTIMATE.start_main_~i~4 110), 161479#(<= ULTIMATE.start_main_~i~4 111), 161476#(<= ULTIMATE.start_main_~i~4 108), 161477#(<= ULTIMATE.start_main_~i~4 109), 161482#(<= ULTIMATE.start_main_~i~4 114), 161483#(<= ULTIMATE.start_main_~i~4 115), 161480#(<= ULTIMATE.start_main_~i~4 112), 161481#(<= ULTIMATE.start_main_~i~4 113), 161486#(<= ULTIMATE.start_main_~i~4 118), 161487#(<= ULTIMATE.start_main_~i~4 119), 161484#(<= ULTIMATE.start_main_~i~4 116), 161485#(<= ULTIMATE.start_main_~i~4 117), 161490#(<= ULTIMATE.start_main_~i~4 122), 161491#(<= ULTIMATE.start_main_~i~4 123), 161488#(<= ULTIMATE.start_main_~i~4 120), 161489#(<= ULTIMATE.start_main_~i~4 121), 161494#(<= ULTIMATE.start_main_~i~4 126), 161495#(<= ULTIMATE.start_main_~i~4 127), 161492#(<= ULTIMATE.start_main_~i~4 124), 161493#(<= ULTIMATE.start_main_~i~4 125), 161498#(<= ULTIMATE.start_main_~i~4 130), 161499#(<= ULTIMATE.start_main_~i~4 131), 161496#(<= ULTIMATE.start_main_~i~4 128), 161497#(<= ULTIMATE.start_main_~i~4 129), 161502#(<= ULTIMATE.start_main_~i~4 134), 161503#(<= ULTIMATE.start_main_~i~4 135), 161500#(<= ULTIMATE.start_main_~i~4 132), 161501#(<= ULTIMATE.start_main_~i~4 133), 161506#(<= ULTIMATE.start_main_~i~4 138), 161507#(<= ULTIMATE.start_main_~i~4 139), 161504#(<= ULTIMATE.start_main_~i~4 136), 161505#(<= ULTIMATE.start_main_~i~4 137), 161510#(<= ULTIMATE.start_main_~i~4 142), 161511#(<= ULTIMATE.start_main_~i~4 143), 161508#(<= ULTIMATE.start_main_~i~4 140), 161509#(<= ULTIMATE.start_main_~i~4 141), 161514#(<= ULTIMATE.start_main_~i~4 146), 161515#(<= ULTIMATE.start_main_~i~4 147), 161512#(<= ULTIMATE.start_main_~i~4 144), 161513#(<= ULTIMATE.start_main_~i~4 145), 161518#(<= ULTIMATE.start_main_~i~4 150), 161519#(<= ULTIMATE.start_main_~i~4 151), 161516#(<= ULTIMATE.start_main_~i~4 148), 161517#(<= ULTIMATE.start_main_~i~4 149), 161522#(<= ULTIMATE.start_main_~i~4 154), 161523#(<= ULTIMATE.start_main_~i~4 155), 161520#(<= ULTIMATE.start_main_~i~4 152), 161521#(<= ULTIMATE.start_main_~i~4 153), 161526#(<= ULTIMATE.start_main_~i~4 158), 161527#(<= ULTIMATE.start_main_~i~4 159), 161524#(<= ULTIMATE.start_main_~i~4 156), 161525#(<= ULTIMATE.start_main_~i~4 157), 161530#(<= ULTIMATE.start_main_~i~4 162), 161531#(<= ULTIMATE.start_main_~i~4 163), 161528#(<= ULTIMATE.start_main_~i~4 160), 161529#(<= ULTIMATE.start_main_~i~4 161), 161534#(<= ULTIMATE.start_main_~i~4 166), 161535#(<= ULTIMATE.start_main_~i~4 167), 161532#(<= ULTIMATE.start_main_~i~4 164), 161533#(<= ULTIMATE.start_main_~i~4 165)] [2018-07-23 13:45:15,213 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 13:45:15,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:45:15,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:45:15,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:45:15,218 INFO L87 Difference]: Start difference. First operand 377 states and 377 transitions. Second operand 189 states. [2018-07-23 13:45:16,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:16,589 INFO L93 Difference]: Finished difference Result 381 states and 381 transitions. [2018-07-23 13:45:16,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:45:16,589 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 376 [2018-07-23 13:45:16,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:16,590 INFO L225 Difference]: With dead ends: 381 [2018-07-23 13:45:16,590 INFO L226 Difference]: Without dead ends: 379 [2018-07-23 13:45:16,593 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:45:16,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-07-23 13:45:16,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-07-23 13:45:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-07-23 13:45:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 379 transitions. [2018-07-23 13:45:16,597 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 379 transitions. Word has length 376 [2018-07-23 13:45:16,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:16,597 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 379 transitions. [2018-07-23 13:45:16,597 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:45:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 379 transitions. [2018-07-23 13:45:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-07-23 13:45:16,598 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:16,599 INFO L357 BasicCegarLoop]: trace histogram [188, 187, 1, 1, 1] [2018-07-23 13:45:16,599 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:16,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1552198949, now seen corresponding path program 187 times [2018-07-23 13:45:16,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:17,653 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 13:45:17,653 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:17,653 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:45:17,653 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,654 INFO L185 omatonBuilderFactory]: Interpolants [163075#true, 163078#(<= ULTIMATE.start_main_~i~4 1), 163079#(<= ULTIMATE.start_main_~i~4 2), 163076#false, 163077#(<= ULTIMATE.start_main_~i~4 0), 163082#(<= ULTIMATE.start_main_~i~4 5), 163083#(<= ULTIMATE.start_main_~i~4 6), 163080#(<= ULTIMATE.start_main_~i~4 3), 163081#(<= ULTIMATE.start_main_~i~4 4), 163086#(<= ULTIMATE.start_main_~i~4 9), 163087#(<= ULTIMATE.start_main_~i~4 10), 163084#(<= ULTIMATE.start_main_~i~4 7), 163085#(<= ULTIMATE.start_main_~i~4 8), 163090#(<= ULTIMATE.start_main_~i~4 13), 163091#(<= ULTIMATE.start_main_~i~4 14), 163088#(<= ULTIMATE.start_main_~i~4 11), 163089#(<= ULTIMATE.start_main_~i~4 12), 163094#(<= ULTIMATE.start_main_~i~4 17), 163095#(<= ULTIMATE.start_main_~i~4 18), 163092#(<= ULTIMATE.start_main_~i~4 15), 163093#(<= ULTIMATE.start_main_~i~4 16), 163098#(<= ULTIMATE.start_main_~i~4 21), 163099#(<= ULTIMATE.start_main_~i~4 22), 163096#(<= ULTIMATE.start_main_~i~4 19), 163097#(<= ULTIMATE.start_main_~i~4 20), 163102#(<= ULTIMATE.start_main_~i~4 25), 163103#(<= ULTIMATE.start_main_~i~4 26), 163100#(<= ULTIMATE.start_main_~i~4 23), 163101#(<= ULTIMATE.start_main_~i~4 24), 163106#(<= ULTIMATE.start_main_~i~4 29), 163107#(<= ULTIMATE.start_main_~i~4 30), 163104#(<= ULTIMATE.start_main_~i~4 27), 163105#(<= ULTIMATE.start_main_~i~4 28), 163110#(<= ULTIMATE.start_main_~i~4 33), 163111#(<= ULTIMATE.start_main_~i~4 34), 163108#(<= ULTIMATE.start_main_~i~4 31), 163109#(<= ULTIMATE.start_main_~i~4 32), 163114#(<= ULTIMATE.start_main_~i~4 37), 163115#(<= ULTIMATE.start_main_~i~4 38), 163112#(<= ULTIMATE.start_main_~i~4 35), 163113#(<= ULTIMATE.start_main_~i~4 36), 163118#(<= ULTIMATE.start_main_~i~4 41), 163119#(<= ULTIMATE.start_main_~i~4 42), 163116#(<= ULTIMATE.start_main_~i~4 39), 163117#(<= ULTIMATE.start_main_~i~4 40), 163122#(<= ULTIMATE.start_main_~i~4 45), 163123#(<= ULTIMATE.start_main_~i~4 46), 163120#(<= ULTIMATE.start_main_~i~4 43), 163121#(<= ULTIMATE.start_main_~i~4 44), 163126#(<= ULTIMATE.start_main_~i~4 49), 163127#(<= ULTIMATE.start_main_~i~4 50), 163124#(<= ULTIMATE.start_main_~i~4 47), 163125#(<= ULTIMATE.start_main_~i~4 48), 163130#(<= ULTIMATE.start_main_~i~4 53), 163131#(<= ULTIMATE.start_main_~i~4 54), 163128#(<= ULTIMATE.start_main_~i~4 51), 163129#(<= ULTIMATE.start_main_~i~4 52), 163134#(<= ULTIMATE.start_main_~i~4 57), 163135#(<= ULTIMATE.start_main_~i~4 58), 163132#(<= ULTIMATE.start_main_~i~4 55), 163133#(<= ULTIMATE.start_main_~i~4 56), 163138#(<= ULTIMATE.start_main_~i~4 61), 163139#(<= ULTIMATE.start_main_~i~4 62), 163136#(<= ULTIMATE.start_main_~i~4 59), 163137#(<= ULTIMATE.start_main_~i~4 60), 163142#(<= ULTIMATE.start_main_~i~4 65), 163143#(<= ULTIMATE.start_main_~i~4 66), 163140#(<= ULTIMATE.start_main_~i~4 63), 163141#(<= ULTIMATE.start_main_~i~4 64), 163146#(<= ULTIMATE.start_main_~i~4 69), 163147#(<= ULTIMATE.start_main_~i~4 70), 163144#(<= ULTIMATE.start_main_~i~4 67), 163145#(<= ULTIMATE.start_main_~i~4 68), 163150#(<= ULTIMATE.start_main_~i~4 73), 163151#(<= ULTIMATE.start_main_~i~4 74), 163148#(<= ULTIMATE.start_main_~i~4 71), 163149#(<= ULTIMATE.start_main_~i~4 72), 163154#(<= ULTIMATE.start_main_~i~4 77), 163155#(<= ULTIMATE.start_main_~i~4 78), 163152#(<= ULTIMATE.start_main_~i~4 75), 163153#(<= ULTIMATE.start_main_~i~4 76), 163158#(<= ULTIMATE.start_main_~i~4 81), 163159#(<= ULTIMATE.start_main_~i~4 82), 163156#(<= ULTIMATE.start_main_~i~4 79), 163157#(<= ULTIMATE.start_main_~i~4 80), 163162#(<= ULTIMATE.start_main_~i~4 85), 163163#(<= ULTIMATE.start_main_~i~4 86), 163160#(<= ULTIMATE.start_main_~i~4 83), 163161#(<= ULTIMATE.start_main_~i~4 84), 163166#(<= ULTIMATE.start_main_~i~4 89), 163167#(<= ULTIMATE.start_main_~i~4 90), 163164#(<= ULTIMATE.start_main_~i~4 87), 163165#(<= ULTIMATE.start_main_~i~4 88), 163170#(<= ULTIMATE.start_main_~i~4 93), 163171#(<= ULTIMATE.start_main_~i~4 94), 163168#(<= ULTIMATE.start_main_~i~4 91), 163169#(<= ULTIMATE.start_main_~i~4 92), 163174#(<= ULTIMATE.start_main_~i~4 97), 163175#(<= ULTIMATE.start_main_~i~4 98), 163172#(<= ULTIMATE.start_main_~i~4 95), 163173#(<= ULTIMATE.start_main_~i~4 96), 163178#(<= ULTIMATE.start_main_~i~4 101), 163179#(<= ULTIMATE.start_main_~i~4 102), 163176#(<= ULTIMATE.start_main_~i~4 99), 163177#(<= ULTIMATE.start_main_~i~4 100), 163182#(<= ULTIMATE.start_main_~i~4 105), 163183#(<= ULTIMATE.start_main_~i~4 106), 163180#(<= ULTIMATE.start_main_~i~4 103), 163181#(<= ULTIMATE.start_main_~i~4 104), 163186#(<= ULTIMATE.start_main_~i~4 109), 163187#(<= ULTIMATE.start_main_~i~4 110), 163184#(<= ULTIMATE.start_main_~i~4 107), 163185#(<= ULTIMATE.start_main_~i~4 108), 163190#(<= ULTIMATE.start_main_~i~4 113), 163191#(<= ULTIMATE.start_main_~i~4 114), 163188#(<= ULTIMATE.start_main_~i~4 111), 163189#(<= ULTIMATE.start_main_~i~4 112), 163194#(<= ULTIMATE.start_main_~i~4 117), 163195#(<= ULTIMATE.start_main_~i~4 118), 163192#(<= ULTIMATE.start_main_~i~4 115), 163193#(<= ULTIMATE.start_main_~i~4 116), 163198#(<= ULTIMATE.start_main_~i~4 121), 163199#(<= ULTIMATE.start_main_~i~4 122), 163196#(<= ULTIMATE.start_main_~i~4 119), 163197#(<= ULTIMATE.start_main_~i~4 120), 163202#(<= ULTIMATE.start_main_~i~4 125), 163203#(<= ULTIMATE.start_main_~i~4 126), 163200#(<= ULTIMATE.start_main_~i~4 123), 163201#(<= ULTIMATE.start_main_~i~4 124), 163206#(<= ULTIMATE.start_main_~i~4 129), 163207#(<= ULTIMATE.start_main_~i~4 130), 163204#(<= ULTIMATE.start_main_~i~4 127), 163205#(<= ULTIMATE.start_main_~i~4 128), 163210#(<= ULTIMATE.start_main_~i~4 133), 163211#(<= ULTIMATE.start_main_~i~4 134), 163208#(<= ULTIMATE.start_main_~i~4 131), 163209#(<= ULTIMATE.start_main_~i~4 132), 163214#(<= ULTIMATE.start_main_~i~4 137), 163215#(<= ULTIMATE.start_main_~i~4 138), 163212#(<= ULTIMATE.start_main_~i~4 135), 163213#(<= ULTIMATE.start_main_~i~4 136), 163218#(<= ULTIMATE.start_main_~i~4 141), 163219#(<= ULTIMATE.start_main_~i~4 142), 163216#(<= ULTIMATE.start_main_~i~4 139), 163217#(<= ULTIMATE.start_main_~i~4 140), 163222#(<= ULTIMATE.start_main_~i~4 145), 163223#(<= ULTIMATE.start_main_~i~4 146), 163220#(<= ULTIMATE.start_main_~i~4 143), 163221#(<= ULTIMATE.start_main_~i~4 144), 163226#(<= ULTIMATE.start_main_~i~4 149), 163227#(<= ULTIMATE.start_main_~i~4 150), 163224#(<= ULTIMATE.start_main_~i~4 147), 163225#(<= ULTIMATE.start_main_~i~4 148), 163230#(<= ULTIMATE.start_main_~i~4 153), 163231#(<= ULTIMATE.start_main_~i~4 154), 163228#(<= ULTIMATE.start_main_~i~4 151), 163229#(<= ULTIMATE.start_main_~i~4 152), 163234#(<= ULTIMATE.start_main_~i~4 157), 163235#(<= ULTIMATE.start_main_~i~4 158), 163232#(<= ULTIMATE.start_main_~i~4 155), 163233#(<= ULTIMATE.start_main_~i~4 156), 163238#(<= ULTIMATE.start_main_~i~4 161), 163239#(<= ULTIMATE.start_main_~i~4 162), 163236#(<= ULTIMATE.start_main_~i~4 159), 163237#(<= ULTIMATE.start_main_~i~4 160), 163242#(<= ULTIMATE.start_main_~i~4 165), 163243#(<= ULTIMATE.start_main_~i~4 166), 163240#(<= ULTIMATE.start_main_~i~4 163), 163241#(<= ULTIMATE.start_main_~i~4 164), 163246#(<= ULTIMATE.start_main_~i~4 169), 163247#(<= ULTIMATE.start_main_~i~4 170), 163244#(<= ULTIMATE.start_main_~i~4 167), 163245#(<= ULTIMATE.start_main_~i~4 168), 163250#(<= ULTIMATE.start_main_~i~4 173), 163251#(<= ULTIMATE.start_main_~i~4 174), 163248#(<= ULTIMATE.start_main_~i~4 171), 163249#(<= ULTIMATE.start_main_~i~4 172), 163254#(<= ULTIMATE.start_main_~i~4 177), 163255#(<= ULTIMATE.start_main_~i~4 178), 163252#(<= ULTIMATE.start_main_~i~4 175), 163253#(<= ULTIMATE.start_main_~i~4 176), 163258#(<= ULTIMATE.start_main_~i~4 181), 163259#(<= ULTIMATE.start_main_~i~4 182), 163256#(<= ULTIMATE.start_main_~i~4 179), 163257#(<= ULTIMATE.start_main_~i~4 180), 163262#(<= ULTIMATE.start_main_~i~4 185), 163263#(<= ULTIMATE.start_main_~i~4 186), 163260#(<= ULTIMATE.start_main_~i~4 183), 163261#(<= ULTIMATE.start_main_~i~4 184), 163264#(<= ULTIMATE.start_main_~i~4 187)] [2018-07-23 13:45:17,656 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 13:45:17,656 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:45:17,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:45:17,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:45:17,661 INFO L87 Difference]: Start difference. First operand 379 states and 379 transitions. Second operand 190 states. [2018-07-23 13:45:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:19,923 INFO L93 Difference]: Finished difference Result 383 states and 383 transitions. [2018-07-23 13:45:19,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:45:19,923 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 378 [2018-07-23 13:45:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:19,924 INFO L225 Difference]: With dead ends: 383 [2018-07-23 13:45:19,924 INFO L226 Difference]: Without dead ends: 381 [2018-07-23 13:45:19,927 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 13:45:19,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-07-23 13:45:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-07-23 13:45:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-07-23 13:45:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 381 transitions. [2018-07-23 13:45:19,931 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 381 transitions. Word has length 378 [2018-07-23 13:45:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:19,931 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 381 transitions. [2018-07-23 13:45:19,931 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:45:19,932 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 381 transitions. [2018-07-23 13:45:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-07-23 13:45:19,933 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:19,933 INFO L357 BasicCegarLoop]: trace histogram [189, 188, 1, 1, 1] [2018-07-23 13:45:19,933 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:19,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1309590367, now seen corresponding path program 188 times [2018-07-23 13:45:19,933 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:21,019 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 13:45:21,019 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:21,019 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:45:21,020 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,020 INFO L185 omatonBuilderFactory]: Interpolants [164866#(<= ULTIMATE.start_main_~i~4 71), 164867#(<= ULTIMATE.start_main_~i~4 72), 164864#(<= ULTIMATE.start_main_~i~4 69), 164865#(<= ULTIMATE.start_main_~i~4 70), 164870#(<= ULTIMATE.start_main_~i~4 75), 164871#(<= ULTIMATE.start_main_~i~4 76), 164868#(<= ULTIMATE.start_main_~i~4 73), 164869#(<= ULTIMATE.start_main_~i~4 74), 164874#(<= ULTIMATE.start_main_~i~4 79), 164875#(<= ULTIMATE.start_main_~i~4 80), 164872#(<= ULTIMATE.start_main_~i~4 77), 164873#(<= ULTIMATE.start_main_~i~4 78), 164878#(<= ULTIMATE.start_main_~i~4 83), 164879#(<= ULTIMATE.start_main_~i~4 84), 164876#(<= ULTIMATE.start_main_~i~4 81), 164877#(<= ULTIMATE.start_main_~i~4 82), 164882#(<= ULTIMATE.start_main_~i~4 87), 164883#(<= ULTIMATE.start_main_~i~4 88), 164880#(<= ULTIMATE.start_main_~i~4 85), 164881#(<= ULTIMATE.start_main_~i~4 86), 164886#(<= ULTIMATE.start_main_~i~4 91), 164887#(<= ULTIMATE.start_main_~i~4 92), 164884#(<= ULTIMATE.start_main_~i~4 89), 164885#(<= ULTIMATE.start_main_~i~4 90), 164890#(<= ULTIMATE.start_main_~i~4 95), 164891#(<= ULTIMATE.start_main_~i~4 96), 164888#(<= ULTIMATE.start_main_~i~4 93), 164889#(<= ULTIMATE.start_main_~i~4 94), 164894#(<= ULTIMATE.start_main_~i~4 99), 164895#(<= ULTIMATE.start_main_~i~4 100), 164892#(<= ULTIMATE.start_main_~i~4 97), 164893#(<= ULTIMATE.start_main_~i~4 98), 164898#(<= ULTIMATE.start_main_~i~4 103), 164899#(<= ULTIMATE.start_main_~i~4 104), 164896#(<= ULTIMATE.start_main_~i~4 101), 164897#(<= ULTIMATE.start_main_~i~4 102), 164902#(<= ULTIMATE.start_main_~i~4 107), 164903#(<= ULTIMATE.start_main_~i~4 108), 164900#(<= ULTIMATE.start_main_~i~4 105), 164901#(<= ULTIMATE.start_main_~i~4 106), 164906#(<= ULTIMATE.start_main_~i~4 111), 164907#(<= ULTIMATE.start_main_~i~4 112), 164904#(<= ULTIMATE.start_main_~i~4 109), 164905#(<= ULTIMATE.start_main_~i~4 110), 164910#(<= ULTIMATE.start_main_~i~4 115), 164911#(<= ULTIMATE.start_main_~i~4 116), 164908#(<= ULTIMATE.start_main_~i~4 113), 164909#(<= ULTIMATE.start_main_~i~4 114), 164914#(<= ULTIMATE.start_main_~i~4 119), 164915#(<= ULTIMATE.start_main_~i~4 120), 164912#(<= ULTIMATE.start_main_~i~4 117), 164913#(<= ULTIMATE.start_main_~i~4 118), 164918#(<= ULTIMATE.start_main_~i~4 123), 164919#(<= ULTIMATE.start_main_~i~4 124), 164916#(<= ULTIMATE.start_main_~i~4 121), 164917#(<= ULTIMATE.start_main_~i~4 122), 164922#(<= ULTIMATE.start_main_~i~4 127), 164923#(<= ULTIMATE.start_main_~i~4 128), 164920#(<= ULTIMATE.start_main_~i~4 125), 164921#(<= ULTIMATE.start_main_~i~4 126), 164926#(<= ULTIMATE.start_main_~i~4 131), 164927#(<= ULTIMATE.start_main_~i~4 132), 164924#(<= ULTIMATE.start_main_~i~4 129), 164925#(<= ULTIMATE.start_main_~i~4 130), 164930#(<= ULTIMATE.start_main_~i~4 135), 164931#(<= ULTIMATE.start_main_~i~4 136), 164928#(<= ULTIMATE.start_main_~i~4 133), 164929#(<= ULTIMATE.start_main_~i~4 134), 164934#(<= ULTIMATE.start_main_~i~4 139), 164935#(<= ULTIMATE.start_main_~i~4 140), 164932#(<= ULTIMATE.start_main_~i~4 137), 164933#(<= ULTIMATE.start_main_~i~4 138), 164938#(<= ULTIMATE.start_main_~i~4 143), 164939#(<= ULTIMATE.start_main_~i~4 144), 164936#(<= ULTIMATE.start_main_~i~4 141), 164937#(<= ULTIMATE.start_main_~i~4 142), 164942#(<= ULTIMATE.start_main_~i~4 147), 164943#(<= ULTIMATE.start_main_~i~4 148), 164940#(<= ULTIMATE.start_main_~i~4 145), 164941#(<= ULTIMATE.start_main_~i~4 146), 164946#(<= ULTIMATE.start_main_~i~4 151), 164947#(<= ULTIMATE.start_main_~i~4 152), 164944#(<= ULTIMATE.start_main_~i~4 149), 164945#(<= ULTIMATE.start_main_~i~4 150), 164950#(<= ULTIMATE.start_main_~i~4 155), 164951#(<= ULTIMATE.start_main_~i~4 156), 164948#(<= ULTIMATE.start_main_~i~4 153), 164949#(<= ULTIMATE.start_main_~i~4 154), 164954#(<= ULTIMATE.start_main_~i~4 159), 164955#(<= ULTIMATE.start_main_~i~4 160), 164952#(<= ULTIMATE.start_main_~i~4 157), 164953#(<= ULTIMATE.start_main_~i~4 158), 164958#(<= ULTIMATE.start_main_~i~4 163), 164959#(<= ULTIMATE.start_main_~i~4 164), 164956#(<= ULTIMATE.start_main_~i~4 161), 164957#(<= ULTIMATE.start_main_~i~4 162), 164962#(<= ULTIMATE.start_main_~i~4 167), 164963#(<= ULTIMATE.start_main_~i~4 168), 164960#(<= ULTIMATE.start_main_~i~4 165), 164961#(<= ULTIMATE.start_main_~i~4 166), 164966#(<= ULTIMATE.start_main_~i~4 171), 164967#(<= ULTIMATE.start_main_~i~4 172), 164964#(<= ULTIMATE.start_main_~i~4 169), 164965#(<= ULTIMATE.start_main_~i~4 170), 164970#(<= ULTIMATE.start_main_~i~4 175), 164971#(<= ULTIMATE.start_main_~i~4 176), 164968#(<= ULTIMATE.start_main_~i~4 173), 164969#(<= ULTIMATE.start_main_~i~4 174), 164974#(<= ULTIMATE.start_main_~i~4 179), 164975#(<= ULTIMATE.start_main_~i~4 180), 164972#(<= ULTIMATE.start_main_~i~4 177), 164973#(<= ULTIMATE.start_main_~i~4 178), 164978#(<= ULTIMATE.start_main_~i~4 183), 164979#(<= ULTIMATE.start_main_~i~4 184), 164976#(<= ULTIMATE.start_main_~i~4 181), 164977#(<= ULTIMATE.start_main_~i~4 182), 164982#(<= ULTIMATE.start_main_~i~4 187), 164983#(<= ULTIMATE.start_main_~i~4 188), 164980#(<= ULTIMATE.start_main_~i~4 185), 164981#(<= ULTIMATE.start_main_~i~4 186), 164794#false, 164795#(<= ULTIMATE.start_main_~i~4 0), 164793#true, 164798#(<= ULTIMATE.start_main_~i~4 3), 164799#(<= ULTIMATE.start_main_~i~4 4), 164796#(<= ULTIMATE.start_main_~i~4 1), 164797#(<= ULTIMATE.start_main_~i~4 2), 164802#(<= ULTIMATE.start_main_~i~4 7), 164803#(<= ULTIMATE.start_main_~i~4 8), 164800#(<= ULTIMATE.start_main_~i~4 5), 164801#(<= ULTIMATE.start_main_~i~4 6), 164806#(<= ULTIMATE.start_main_~i~4 11), 164807#(<= ULTIMATE.start_main_~i~4 12), 164804#(<= ULTIMATE.start_main_~i~4 9), 164805#(<= ULTIMATE.start_main_~i~4 10), 164810#(<= ULTIMATE.start_main_~i~4 15), 164811#(<= ULTIMATE.start_main_~i~4 16), 164808#(<= ULTIMATE.start_main_~i~4 13), 164809#(<= ULTIMATE.start_main_~i~4 14), 164814#(<= ULTIMATE.start_main_~i~4 19), 164815#(<= ULTIMATE.start_main_~i~4 20), 164812#(<= ULTIMATE.start_main_~i~4 17), 164813#(<= ULTIMATE.start_main_~i~4 18), 164818#(<= ULTIMATE.start_main_~i~4 23), 164819#(<= ULTIMATE.start_main_~i~4 24), 164816#(<= ULTIMATE.start_main_~i~4 21), 164817#(<= ULTIMATE.start_main_~i~4 22), 164822#(<= ULTIMATE.start_main_~i~4 27), 164823#(<= ULTIMATE.start_main_~i~4 28), 164820#(<= ULTIMATE.start_main_~i~4 25), 164821#(<= ULTIMATE.start_main_~i~4 26), 164826#(<= ULTIMATE.start_main_~i~4 31), 164827#(<= ULTIMATE.start_main_~i~4 32), 164824#(<= ULTIMATE.start_main_~i~4 29), 164825#(<= ULTIMATE.start_main_~i~4 30), 164830#(<= ULTIMATE.start_main_~i~4 35), 164831#(<= ULTIMATE.start_main_~i~4 36), 164828#(<= ULTIMATE.start_main_~i~4 33), 164829#(<= ULTIMATE.start_main_~i~4 34), 164834#(<= ULTIMATE.start_main_~i~4 39), 164835#(<= ULTIMATE.start_main_~i~4 40), 164832#(<= ULTIMATE.start_main_~i~4 37), 164833#(<= ULTIMATE.start_main_~i~4 38), 164838#(<= ULTIMATE.start_main_~i~4 43), 164839#(<= ULTIMATE.start_main_~i~4 44), 164836#(<= ULTIMATE.start_main_~i~4 41), 164837#(<= ULTIMATE.start_main_~i~4 42), 164842#(<= ULTIMATE.start_main_~i~4 47), 164843#(<= ULTIMATE.start_main_~i~4 48), 164840#(<= ULTIMATE.start_main_~i~4 45), 164841#(<= ULTIMATE.start_main_~i~4 46), 164846#(<= ULTIMATE.start_main_~i~4 51), 164847#(<= ULTIMATE.start_main_~i~4 52), 164844#(<= ULTIMATE.start_main_~i~4 49), 164845#(<= ULTIMATE.start_main_~i~4 50), 164850#(<= ULTIMATE.start_main_~i~4 55), 164851#(<= ULTIMATE.start_main_~i~4 56), 164848#(<= ULTIMATE.start_main_~i~4 53), 164849#(<= ULTIMATE.start_main_~i~4 54), 164854#(<= ULTIMATE.start_main_~i~4 59), 164855#(<= ULTIMATE.start_main_~i~4 60), 164852#(<= ULTIMATE.start_main_~i~4 57), 164853#(<= ULTIMATE.start_main_~i~4 58), 164858#(<= ULTIMATE.start_main_~i~4 63), 164859#(<= ULTIMATE.start_main_~i~4 64), 164856#(<= ULTIMATE.start_main_~i~4 61), 164857#(<= ULTIMATE.start_main_~i~4 62), 164862#(<= ULTIMATE.start_main_~i~4 67), 164863#(<= ULTIMATE.start_main_~i~4 68), 164860#(<= ULTIMATE.start_main_~i~4 65), 164861#(<= ULTIMATE.start_main_~i~4 66)] [2018-07-23 13:45:21,022 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 13:45:21,022 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:45:21,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:45:21,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:45:21,027 INFO L87 Difference]: Start difference. First operand 381 states and 381 transitions. Second operand 191 states. [2018-07-23 13:45:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:21,965 INFO L93 Difference]: Finished difference Result 385 states and 385 transitions. [2018-07-23 13:45:21,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:45:21,965 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 380 [2018-07-23 13:45:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:21,966 INFO L225 Difference]: With dead ends: 385 [2018-07-23 13:45:21,966 INFO L226 Difference]: Without dead ends: 383 [2018-07-23 13:45:21,970 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 13:45:21,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-07-23 13:45:21,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-07-23 13:45:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-23 13:45:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 383 transitions. [2018-07-23 13:45:21,974 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 383 transitions. Word has length 380 [2018-07-23 13:45:21,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:21,974 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 383 transitions. [2018-07-23 13:45:21,975 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:45:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 383 transitions. [2018-07-23 13:45:21,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-07-23 13:45:21,976 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:21,976 INFO L357 BasicCegarLoop]: trace histogram [190, 189, 1, 1, 1] [2018-07-23 13:45:21,976 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:21,976 INFO L82 PathProgramCache]: Analyzing trace with hash 90977049, now seen corresponding path program 189 times [2018-07-23 13:45:21,976 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:23,121 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 13:45:23,121 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:23,121 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:45:23,121 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,122 INFO L185 omatonBuilderFactory]: Interpolants [166658#(<= ULTIMATE.start_main_~i~4 136), 166659#(<= ULTIMATE.start_main_~i~4 137), 166656#(<= ULTIMATE.start_main_~i~4 134), 166657#(<= ULTIMATE.start_main_~i~4 135), 166662#(<= ULTIMATE.start_main_~i~4 140), 166663#(<= ULTIMATE.start_main_~i~4 141), 166660#(<= ULTIMATE.start_main_~i~4 138), 166661#(<= ULTIMATE.start_main_~i~4 139), 166666#(<= ULTIMATE.start_main_~i~4 144), 166667#(<= ULTIMATE.start_main_~i~4 145), 166664#(<= ULTIMATE.start_main_~i~4 142), 166665#(<= ULTIMATE.start_main_~i~4 143), 166670#(<= ULTIMATE.start_main_~i~4 148), 166671#(<= ULTIMATE.start_main_~i~4 149), 166668#(<= ULTIMATE.start_main_~i~4 146), 166669#(<= ULTIMATE.start_main_~i~4 147), 166674#(<= ULTIMATE.start_main_~i~4 152), 166675#(<= ULTIMATE.start_main_~i~4 153), 166672#(<= ULTIMATE.start_main_~i~4 150), 166673#(<= ULTIMATE.start_main_~i~4 151), 166678#(<= ULTIMATE.start_main_~i~4 156), 166679#(<= ULTIMATE.start_main_~i~4 157), 166676#(<= ULTIMATE.start_main_~i~4 154), 166677#(<= ULTIMATE.start_main_~i~4 155), 166682#(<= ULTIMATE.start_main_~i~4 160), 166683#(<= ULTIMATE.start_main_~i~4 161), 166680#(<= ULTIMATE.start_main_~i~4 158), 166681#(<= ULTIMATE.start_main_~i~4 159), 166686#(<= ULTIMATE.start_main_~i~4 164), 166687#(<= ULTIMATE.start_main_~i~4 165), 166684#(<= ULTIMATE.start_main_~i~4 162), 166685#(<= ULTIMATE.start_main_~i~4 163), 166690#(<= ULTIMATE.start_main_~i~4 168), 166691#(<= ULTIMATE.start_main_~i~4 169), 166688#(<= ULTIMATE.start_main_~i~4 166), 166689#(<= ULTIMATE.start_main_~i~4 167), 166694#(<= ULTIMATE.start_main_~i~4 172), 166695#(<= ULTIMATE.start_main_~i~4 173), 166692#(<= ULTIMATE.start_main_~i~4 170), 166693#(<= ULTIMATE.start_main_~i~4 171), 166698#(<= ULTIMATE.start_main_~i~4 176), 166699#(<= ULTIMATE.start_main_~i~4 177), 166696#(<= ULTIMATE.start_main_~i~4 174), 166697#(<= ULTIMATE.start_main_~i~4 175), 166702#(<= ULTIMATE.start_main_~i~4 180), 166703#(<= ULTIMATE.start_main_~i~4 181), 166700#(<= ULTIMATE.start_main_~i~4 178), 166701#(<= ULTIMATE.start_main_~i~4 179), 166706#(<= ULTIMATE.start_main_~i~4 184), 166707#(<= ULTIMATE.start_main_~i~4 185), 166704#(<= ULTIMATE.start_main_~i~4 182), 166705#(<= ULTIMATE.start_main_~i~4 183), 166710#(<= ULTIMATE.start_main_~i~4 188), 166711#(<= ULTIMATE.start_main_~i~4 189), 166708#(<= ULTIMATE.start_main_~i~4 186), 166709#(<= ULTIMATE.start_main_~i~4 187), 166522#(<= ULTIMATE.start_main_~i~4 0), 166523#(<= ULTIMATE.start_main_~i~4 1), 166520#true, 166521#false, 166526#(<= ULTIMATE.start_main_~i~4 4), 166527#(<= ULTIMATE.start_main_~i~4 5), 166524#(<= ULTIMATE.start_main_~i~4 2), 166525#(<= ULTIMATE.start_main_~i~4 3), 166530#(<= ULTIMATE.start_main_~i~4 8), 166531#(<= ULTIMATE.start_main_~i~4 9), 166528#(<= ULTIMATE.start_main_~i~4 6), 166529#(<= ULTIMATE.start_main_~i~4 7), 166534#(<= ULTIMATE.start_main_~i~4 12), 166535#(<= ULTIMATE.start_main_~i~4 13), 166532#(<= ULTIMATE.start_main_~i~4 10), 166533#(<= ULTIMATE.start_main_~i~4 11), 166538#(<= ULTIMATE.start_main_~i~4 16), 166539#(<= ULTIMATE.start_main_~i~4 17), 166536#(<= ULTIMATE.start_main_~i~4 14), 166537#(<= ULTIMATE.start_main_~i~4 15), 166542#(<= ULTIMATE.start_main_~i~4 20), 166543#(<= ULTIMATE.start_main_~i~4 21), 166540#(<= ULTIMATE.start_main_~i~4 18), 166541#(<= ULTIMATE.start_main_~i~4 19), 166546#(<= ULTIMATE.start_main_~i~4 24), 166547#(<= ULTIMATE.start_main_~i~4 25), 166544#(<= ULTIMATE.start_main_~i~4 22), 166545#(<= ULTIMATE.start_main_~i~4 23), 166550#(<= ULTIMATE.start_main_~i~4 28), 166551#(<= ULTIMATE.start_main_~i~4 29), 166548#(<= ULTIMATE.start_main_~i~4 26), 166549#(<= ULTIMATE.start_main_~i~4 27), 166554#(<= ULTIMATE.start_main_~i~4 32), 166555#(<= ULTIMATE.start_main_~i~4 33), 166552#(<= ULTIMATE.start_main_~i~4 30), 166553#(<= ULTIMATE.start_main_~i~4 31), 166558#(<= ULTIMATE.start_main_~i~4 36), 166559#(<= ULTIMATE.start_main_~i~4 37), 166556#(<= ULTIMATE.start_main_~i~4 34), 166557#(<= ULTIMATE.start_main_~i~4 35), 166562#(<= ULTIMATE.start_main_~i~4 40), 166563#(<= ULTIMATE.start_main_~i~4 41), 166560#(<= ULTIMATE.start_main_~i~4 38), 166561#(<= ULTIMATE.start_main_~i~4 39), 166566#(<= ULTIMATE.start_main_~i~4 44), 166567#(<= ULTIMATE.start_main_~i~4 45), 166564#(<= ULTIMATE.start_main_~i~4 42), 166565#(<= ULTIMATE.start_main_~i~4 43), 166570#(<= ULTIMATE.start_main_~i~4 48), 166571#(<= ULTIMATE.start_main_~i~4 49), 166568#(<= ULTIMATE.start_main_~i~4 46), 166569#(<= ULTIMATE.start_main_~i~4 47), 166574#(<= ULTIMATE.start_main_~i~4 52), 166575#(<= ULTIMATE.start_main_~i~4 53), 166572#(<= ULTIMATE.start_main_~i~4 50), 166573#(<= ULTIMATE.start_main_~i~4 51), 166578#(<= ULTIMATE.start_main_~i~4 56), 166579#(<= ULTIMATE.start_main_~i~4 57), 166576#(<= ULTIMATE.start_main_~i~4 54), 166577#(<= ULTIMATE.start_main_~i~4 55), 166582#(<= ULTIMATE.start_main_~i~4 60), 166583#(<= ULTIMATE.start_main_~i~4 61), 166580#(<= ULTIMATE.start_main_~i~4 58), 166581#(<= ULTIMATE.start_main_~i~4 59), 166586#(<= ULTIMATE.start_main_~i~4 64), 166587#(<= ULTIMATE.start_main_~i~4 65), 166584#(<= ULTIMATE.start_main_~i~4 62), 166585#(<= ULTIMATE.start_main_~i~4 63), 166590#(<= ULTIMATE.start_main_~i~4 68), 166591#(<= ULTIMATE.start_main_~i~4 69), 166588#(<= ULTIMATE.start_main_~i~4 66), 166589#(<= ULTIMATE.start_main_~i~4 67), 166594#(<= ULTIMATE.start_main_~i~4 72), 166595#(<= ULTIMATE.start_main_~i~4 73), 166592#(<= ULTIMATE.start_main_~i~4 70), 166593#(<= ULTIMATE.start_main_~i~4 71), 166598#(<= ULTIMATE.start_main_~i~4 76), 166599#(<= ULTIMATE.start_main_~i~4 77), 166596#(<= ULTIMATE.start_main_~i~4 74), 166597#(<= ULTIMATE.start_main_~i~4 75), 166602#(<= ULTIMATE.start_main_~i~4 80), 166603#(<= ULTIMATE.start_main_~i~4 81), 166600#(<= ULTIMATE.start_main_~i~4 78), 166601#(<= ULTIMATE.start_main_~i~4 79), 166606#(<= ULTIMATE.start_main_~i~4 84), 166607#(<= ULTIMATE.start_main_~i~4 85), 166604#(<= ULTIMATE.start_main_~i~4 82), 166605#(<= ULTIMATE.start_main_~i~4 83), 166610#(<= ULTIMATE.start_main_~i~4 88), 166611#(<= ULTIMATE.start_main_~i~4 89), 166608#(<= ULTIMATE.start_main_~i~4 86), 166609#(<= ULTIMATE.start_main_~i~4 87), 166614#(<= ULTIMATE.start_main_~i~4 92), 166615#(<= ULTIMATE.start_main_~i~4 93), 166612#(<= ULTIMATE.start_main_~i~4 90), 166613#(<= ULTIMATE.start_main_~i~4 91), 166618#(<= ULTIMATE.start_main_~i~4 96), 166619#(<= ULTIMATE.start_main_~i~4 97), 166616#(<= ULTIMATE.start_main_~i~4 94), 166617#(<= ULTIMATE.start_main_~i~4 95), 166622#(<= ULTIMATE.start_main_~i~4 100), 166623#(<= ULTIMATE.start_main_~i~4 101), 166620#(<= ULTIMATE.start_main_~i~4 98), 166621#(<= ULTIMATE.start_main_~i~4 99), 166626#(<= ULTIMATE.start_main_~i~4 104), 166627#(<= ULTIMATE.start_main_~i~4 105), 166624#(<= ULTIMATE.start_main_~i~4 102), 166625#(<= ULTIMATE.start_main_~i~4 103), 166630#(<= ULTIMATE.start_main_~i~4 108), 166631#(<= ULTIMATE.start_main_~i~4 109), 166628#(<= ULTIMATE.start_main_~i~4 106), 166629#(<= ULTIMATE.start_main_~i~4 107), 166634#(<= ULTIMATE.start_main_~i~4 112), 166635#(<= ULTIMATE.start_main_~i~4 113), 166632#(<= ULTIMATE.start_main_~i~4 110), 166633#(<= ULTIMATE.start_main_~i~4 111), 166638#(<= ULTIMATE.start_main_~i~4 116), 166639#(<= ULTIMATE.start_main_~i~4 117), 166636#(<= ULTIMATE.start_main_~i~4 114), 166637#(<= ULTIMATE.start_main_~i~4 115), 166642#(<= ULTIMATE.start_main_~i~4 120), 166643#(<= ULTIMATE.start_main_~i~4 121), 166640#(<= ULTIMATE.start_main_~i~4 118), 166641#(<= ULTIMATE.start_main_~i~4 119), 166646#(<= ULTIMATE.start_main_~i~4 124), 166647#(<= ULTIMATE.start_main_~i~4 125), 166644#(<= ULTIMATE.start_main_~i~4 122), 166645#(<= ULTIMATE.start_main_~i~4 123), 166650#(<= ULTIMATE.start_main_~i~4 128), 166651#(<= ULTIMATE.start_main_~i~4 129), 166648#(<= ULTIMATE.start_main_~i~4 126), 166649#(<= ULTIMATE.start_main_~i~4 127), 166654#(<= ULTIMATE.start_main_~i~4 132), 166655#(<= ULTIMATE.start_main_~i~4 133), 166652#(<= ULTIMATE.start_main_~i~4 130), 166653#(<= ULTIMATE.start_main_~i~4 131)] [2018-07-23 13:45:23,124 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 13:45:23,124 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:45:23,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:45:23,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:45:23,128 INFO L87 Difference]: Start difference. First operand 383 states and 383 transitions. Second operand 192 states. [2018-07-23 13:45:23,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:23,904 INFO L93 Difference]: Finished difference Result 387 states and 387 transitions. [2018-07-23 13:45:23,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:45:23,904 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 382 [2018-07-23 13:45:23,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:23,905 INFO L225 Difference]: With dead ends: 387 [2018-07-23 13:45:23,905 INFO L226 Difference]: Without dead ends: 385 [2018-07-23 13:45:23,907 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 13:45:23,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-07-23 13:45:23,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2018-07-23 13:45:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-07-23 13:45:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 385 transitions. [2018-07-23 13:45:23,911 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 385 transitions. Word has length 382 [2018-07-23 13:45:23,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:23,911 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 385 transitions. [2018-07-23 13:45:23,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:45:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 385 transitions. [2018-07-23 13:45:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-07-23 13:45:23,912 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:23,912 INFO L357 BasicCegarLoop]: trace histogram [191, 190, 1, 1, 1] [2018-07-23 13:45:23,912 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:23,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1529650259, now seen corresponding path program 190 times [2018-07-23 13:45:23,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:25,028 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 13:45:25,029 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:25,029 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:45:25,029 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,030 INFO L185 omatonBuilderFactory]: Interpolants [168448#(<= ULTIMATE.start_main_~i~4 190), 168258#(<= ULTIMATE.start_main_~i~4 0), 168259#(<= ULTIMATE.start_main_~i~4 1), 168256#true, 168257#false, 168262#(<= ULTIMATE.start_main_~i~4 4), 168263#(<= ULTIMATE.start_main_~i~4 5), 168260#(<= ULTIMATE.start_main_~i~4 2), 168261#(<= ULTIMATE.start_main_~i~4 3), 168266#(<= ULTIMATE.start_main_~i~4 8), 168267#(<= ULTIMATE.start_main_~i~4 9), 168264#(<= ULTIMATE.start_main_~i~4 6), 168265#(<= ULTIMATE.start_main_~i~4 7), 168270#(<= ULTIMATE.start_main_~i~4 12), 168271#(<= ULTIMATE.start_main_~i~4 13), 168268#(<= ULTIMATE.start_main_~i~4 10), 168269#(<= ULTIMATE.start_main_~i~4 11), 168274#(<= ULTIMATE.start_main_~i~4 16), 168275#(<= ULTIMATE.start_main_~i~4 17), 168272#(<= ULTIMATE.start_main_~i~4 14), 168273#(<= ULTIMATE.start_main_~i~4 15), 168278#(<= ULTIMATE.start_main_~i~4 20), 168279#(<= ULTIMATE.start_main_~i~4 21), 168276#(<= ULTIMATE.start_main_~i~4 18), 168277#(<= ULTIMATE.start_main_~i~4 19), 168282#(<= ULTIMATE.start_main_~i~4 24), 168283#(<= ULTIMATE.start_main_~i~4 25), 168280#(<= ULTIMATE.start_main_~i~4 22), 168281#(<= ULTIMATE.start_main_~i~4 23), 168286#(<= ULTIMATE.start_main_~i~4 28), 168287#(<= ULTIMATE.start_main_~i~4 29), 168284#(<= ULTIMATE.start_main_~i~4 26), 168285#(<= ULTIMATE.start_main_~i~4 27), 168290#(<= ULTIMATE.start_main_~i~4 32), 168291#(<= ULTIMATE.start_main_~i~4 33), 168288#(<= ULTIMATE.start_main_~i~4 30), 168289#(<= ULTIMATE.start_main_~i~4 31), 168294#(<= ULTIMATE.start_main_~i~4 36), 168295#(<= ULTIMATE.start_main_~i~4 37), 168292#(<= ULTIMATE.start_main_~i~4 34), 168293#(<= ULTIMATE.start_main_~i~4 35), 168298#(<= ULTIMATE.start_main_~i~4 40), 168299#(<= ULTIMATE.start_main_~i~4 41), 168296#(<= ULTIMATE.start_main_~i~4 38), 168297#(<= ULTIMATE.start_main_~i~4 39), 168302#(<= ULTIMATE.start_main_~i~4 44), 168303#(<= ULTIMATE.start_main_~i~4 45), 168300#(<= ULTIMATE.start_main_~i~4 42), 168301#(<= ULTIMATE.start_main_~i~4 43), 168306#(<= ULTIMATE.start_main_~i~4 48), 168307#(<= ULTIMATE.start_main_~i~4 49), 168304#(<= ULTIMATE.start_main_~i~4 46), 168305#(<= ULTIMATE.start_main_~i~4 47), 168310#(<= ULTIMATE.start_main_~i~4 52), 168311#(<= ULTIMATE.start_main_~i~4 53), 168308#(<= ULTIMATE.start_main_~i~4 50), 168309#(<= ULTIMATE.start_main_~i~4 51), 168314#(<= ULTIMATE.start_main_~i~4 56), 168315#(<= ULTIMATE.start_main_~i~4 57), 168312#(<= ULTIMATE.start_main_~i~4 54), 168313#(<= ULTIMATE.start_main_~i~4 55), 168318#(<= ULTIMATE.start_main_~i~4 60), 168319#(<= ULTIMATE.start_main_~i~4 61), 168316#(<= ULTIMATE.start_main_~i~4 58), 168317#(<= ULTIMATE.start_main_~i~4 59), 168322#(<= ULTIMATE.start_main_~i~4 64), 168323#(<= ULTIMATE.start_main_~i~4 65), 168320#(<= ULTIMATE.start_main_~i~4 62), 168321#(<= ULTIMATE.start_main_~i~4 63), 168326#(<= ULTIMATE.start_main_~i~4 68), 168327#(<= ULTIMATE.start_main_~i~4 69), 168324#(<= ULTIMATE.start_main_~i~4 66), 168325#(<= ULTIMATE.start_main_~i~4 67), 168330#(<= ULTIMATE.start_main_~i~4 72), 168331#(<= ULTIMATE.start_main_~i~4 73), 168328#(<= ULTIMATE.start_main_~i~4 70), 168329#(<= ULTIMATE.start_main_~i~4 71), 168334#(<= ULTIMATE.start_main_~i~4 76), 168335#(<= ULTIMATE.start_main_~i~4 77), 168332#(<= ULTIMATE.start_main_~i~4 74), 168333#(<= ULTIMATE.start_main_~i~4 75), 168338#(<= ULTIMATE.start_main_~i~4 80), 168339#(<= ULTIMATE.start_main_~i~4 81), 168336#(<= ULTIMATE.start_main_~i~4 78), 168337#(<= ULTIMATE.start_main_~i~4 79), 168342#(<= ULTIMATE.start_main_~i~4 84), 168343#(<= ULTIMATE.start_main_~i~4 85), 168340#(<= ULTIMATE.start_main_~i~4 82), 168341#(<= ULTIMATE.start_main_~i~4 83), 168346#(<= ULTIMATE.start_main_~i~4 88), 168347#(<= ULTIMATE.start_main_~i~4 89), 168344#(<= ULTIMATE.start_main_~i~4 86), 168345#(<= ULTIMATE.start_main_~i~4 87), 168350#(<= ULTIMATE.start_main_~i~4 92), 168351#(<= ULTIMATE.start_main_~i~4 93), 168348#(<= ULTIMATE.start_main_~i~4 90), 168349#(<= ULTIMATE.start_main_~i~4 91), 168354#(<= ULTIMATE.start_main_~i~4 96), 168355#(<= ULTIMATE.start_main_~i~4 97), 168352#(<= ULTIMATE.start_main_~i~4 94), 168353#(<= ULTIMATE.start_main_~i~4 95), 168358#(<= ULTIMATE.start_main_~i~4 100), 168359#(<= ULTIMATE.start_main_~i~4 101), 168356#(<= ULTIMATE.start_main_~i~4 98), 168357#(<= ULTIMATE.start_main_~i~4 99), 168362#(<= ULTIMATE.start_main_~i~4 104), 168363#(<= ULTIMATE.start_main_~i~4 105), 168360#(<= ULTIMATE.start_main_~i~4 102), 168361#(<= ULTIMATE.start_main_~i~4 103), 168366#(<= ULTIMATE.start_main_~i~4 108), 168367#(<= ULTIMATE.start_main_~i~4 109), 168364#(<= ULTIMATE.start_main_~i~4 106), 168365#(<= ULTIMATE.start_main_~i~4 107), 168370#(<= ULTIMATE.start_main_~i~4 112), 168371#(<= ULTIMATE.start_main_~i~4 113), 168368#(<= ULTIMATE.start_main_~i~4 110), 168369#(<= ULTIMATE.start_main_~i~4 111), 168374#(<= ULTIMATE.start_main_~i~4 116), 168375#(<= ULTIMATE.start_main_~i~4 117), 168372#(<= ULTIMATE.start_main_~i~4 114), 168373#(<= ULTIMATE.start_main_~i~4 115), 168378#(<= ULTIMATE.start_main_~i~4 120), 168379#(<= ULTIMATE.start_main_~i~4 121), 168376#(<= ULTIMATE.start_main_~i~4 118), 168377#(<= ULTIMATE.start_main_~i~4 119), 168382#(<= ULTIMATE.start_main_~i~4 124), 168383#(<= ULTIMATE.start_main_~i~4 125), 168380#(<= ULTIMATE.start_main_~i~4 122), 168381#(<= ULTIMATE.start_main_~i~4 123), 168386#(<= ULTIMATE.start_main_~i~4 128), 168387#(<= ULTIMATE.start_main_~i~4 129), 168384#(<= ULTIMATE.start_main_~i~4 126), 168385#(<= ULTIMATE.start_main_~i~4 127), 168390#(<= ULTIMATE.start_main_~i~4 132), 168391#(<= ULTIMATE.start_main_~i~4 133), 168388#(<= ULTIMATE.start_main_~i~4 130), 168389#(<= ULTIMATE.start_main_~i~4 131), 168394#(<= ULTIMATE.start_main_~i~4 136), 168395#(<= ULTIMATE.start_main_~i~4 137), 168392#(<= ULTIMATE.start_main_~i~4 134), 168393#(<= ULTIMATE.start_main_~i~4 135), 168398#(<= ULTIMATE.start_main_~i~4 140), 168399#(<= ULTIMATE.start_main_~i~4 141), 168396#(<= ULTIMATE.start_main_~i~4 138), 168397#(<= ULTIMATE.start_main_~i~4 139), 168402#(<= ULTIMATE.start_main_~i~4 144), 168403#(<= ULTIMATE.start_main_~i~4 145), 168400#(<= ULTIMATE.start_main_~i~4 142), 168401#(<= ULTIMATE.start_main_~i~4 143), 168406#(<= ULTIMATE.start_main_~i~4 148), 168407#(<= ULTIMATE.start_main_~i~4 149), 168404#(<= ULTIMATE.start_main_~i~4 146), 168405#(<= ULTIMATE.start_main_~i~4 147), 168410#(<= ULTIMATE.start_main_~i~4 152), 168411#(<= ULTIMATE.start_main_~i~4 153), 168408#(<= ULTIMATE.start_main_~i~4 150), 168409#(<= ULTIMATE.start_main_~i~4 151), 168414#(<= ULTIMATE.start_main_~i~4 156), 168415#(<= ULTIMATE.start_main_~i~4 157), 168412#(<= ULTIMATE.start_main_~i~4 154), 168413#(<= ULTIMATE.start_main_~i~4 155), 168418#(<= ULTIMATE.start_main_~i~4 160), 168419#(<= ULTIMATE.start_main_~i~4 161), 168416#(<= ULTIMATE.start_main_~i~4 158), 168417#(<= ULTIMATE.start_main_~i~4 159), 168422#(<= ULTIMATE.start_main_~i~4 164), 168423#(<= ULTIMATE.start_main_~i~4 165), 168420#(<= ULTIMATE.start_main_~i~4 162), 168421#(<= ULTIMATE.start_main_~i~4 163), 168426#(<= ULTIMATE.start_main_~i~4 168), 168427#(<= ULTIMATE.start_main_~i~4 169), 168424#(<= ULTIMATE.start_main_~i~4 166), 168425#(<= ULTIMATE.start_main_~i~4 167), 168430#(<= ULTIMATE.start_main_~i~4 172), 168431#(<= ULTIMATE.start_main_~i~4 173), 168428#(<= ULTIMATE.start_main_~i~4 170), 168429#(<= ULTIMATE.start_main_~i~4 171), 168434#(<= ULTIMATE.start_main_~i~4 176), 168435#(<= ULTIMATE.start_main_~i~4 177), 168432#(<= ULTIMATE.start_main_~i~4 174), 168433#(<= ULTIMATE.start_main_~i~4 175), 168438#(<= ULTIMATE.start_main_~i~4 180), 168439#(<= ULTIMATE.start_main_~i~4 181), 168436#(<= ULTIMATE.start_main_~i~4 178), 168437#(<= ULTIMATE.start_main_~i~4 179), 168442#(<= ULTIMATE.start_main_~i~4 184), 168443#(<= ULTIMATE.start_main_~i~4 185), 168440#(<= ULTIMATE.start_main_~i~4 182), 168441#(<= ULTIMATE.start_main_~i~4 183), 168446#(<= ULTIMATE.start_main_~i~4 188), 168447#(<= ULTIMATE.start_main_~i~4 189), 168444#(<= ULTIMATE.start_main_~i~4 186), 168445#(<= ULTIMATE.start_main_~i~4 187)] [2018-07-23 13:45:25,032 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 13:45:25,032 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:45:25,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:45:25,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:45:25,037 INFO L87 Difference]: Start difference. First operand 385 states and 385 transitions. Second operand 193 states. [2018-07-23 13:45:26,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:26,791 INFO L93 Difference]: Finished difference Result 389 states and 389 transitions. [2018-07-23 13:45:26,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:45:26,792 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 384 [2018-07-23 13:45:26,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:26,792 INFO L225 Difference]: With dead ends: 389 [2018-07-23 13:45:26,792 INFO L226 Difference]: Without dead ends: 387 [2018-07-23 13:45:26,795 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 13:45:26,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-07-23 13:45:26,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2018-07-23 13:45:26,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-07-23 13:45:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 387 transitions. [2018-07-23 13:45:26,798 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 387 transitions. Word has length 384 [2018-07-23 13:45:26,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:26,799 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 387 transitions. [2018-07-23 13:45:26,799 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:45:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 387 transitions. [2018-07-23 13:45:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-07-23 13:45:26,800 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:26,801 INFO L357 BasicCegarLoop]: trace histogram [192, 191, 1, 1, 1] [2018-07-23 13:45:26,801 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:26,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1115135757, now seen corresponding path program 191 times [2018-07-23 13:45:26,801 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:27,836 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 13:45:27,836 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:27,836 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:45:27,836 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:27,837 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 13:45:27,838 INFO L185 omatonBuilderFactory]: Interpolants [170002#false, 170003#(<= ULTIMATE.start_main_~i~4 0), 170001#true, 170006#(<= ULTIMATE.start_main_~i~4 3), 170007#(<= ULTIMATE.start_main_~i~4 4), 170004#(<= ULTIMATE.start_main_~i~4 1), 170005#(<= ULTIMATE.start_main_~i~4 2), 170010#(<= ULTIMATE.start_main_~i~4 7), 170011#(<= ULTIMATE.start_main_~i~4 8), 170008#(<= ULTIMATE.start_main_~i~4 5), 170009#(<= ULTIMATE.start_main_~i~4 6), 170014#(<= ULTIMATE.start_main_~i~4 11), 170015#(<= ULTIMATE.start_main_~i~4 12), 170012#(<= ULTIMATE.start_main_~i~4 9), 170013#(<= ULTIMATE.start_main_~i~4 10), 170018#(<= ULTIMATE.start_main_~i~4 15), 170019#(<= ULTIMATE.start_main_~i~4 16), 170016#(<= ULTIMATE.start_main_~i~4 13), 170017#(<= ULTIMATE.start_main_~i~4 14), 170022#(<= ULTIMATE.start_main_~i~4 19), 170023#(<= ULTIMATE.start_main_~i~4 20), 170020#(<= ULTIMATE.start_main_~i~4 17), 170021#(<= ULTIMATE.start_main_~i~4 18), 170026#(<= ULTIMATE.start_main_~i~4 23), 170027#(<= ULTIMATE.start_main_~i~4 24), 170024#(<= ULTIMATE.start_main_~i~4 21), 170025#(<= ULTIMATE.start_main_~i~4 22), 170030#(<= ULTIMATE.start_main_~i~4 27), 170031#(<= ULTIMATE.start_main_~i~4 28), 170028#(<= ULTIMATE.start_main_~i~4 25), 170029#(<= ULTIMATE.start_main_~i~4 26), 170034#(<= ULTIMATE.start_main_~i~4 31), 170035#(<= ULTIMATE.start_main_~i~4 32), 170032#(<= ULTIMATE.start_main_~i~4 29), 170033#(<= ULTIMATE.start_main_~i~4 30), 170038#(<= ULTIMATE.start_main_~i~4 35), 170039#(<= ULTIMATE.start_main_~i~4 36), 170036#(<= ULTIMATE.start_main_~i~4 33), 170037#(<= ULTIMATE.start_main_~i~4 34), 170042#(<= ULTIMATE.start_main_~i~4 39), 170043#(<= ULTIMATE.start_main_~i~4 40), 170040#(<= ULTIMATE.start_main_~i~4 37), 170041#(<= ULTIMATE.start_main_~i~4 38), 170046#(<= ULTIMATE.start_main_~i~4 43), 170047#(<= ULTIMATE.start_main_~i~4 44), 170044#(<= ULTIMATE.start_main_~i~4 41), 170045#(<= ULTIMATE.start_main_~i~4 42), 170050#(<= ULTIMATE.start_main_~i~4 47), 170051#(<= ULTIMATE.start_main_~i~4 48), 170048#(<= ULTIMATE.start_main_~i~4 45), 170049#(<= ULTIMATE.start_main_~i~4 46), 170054#(<= ULTIMATE.start_main_~i~4 51), 170055#(<= ULTIMATE.start_main_~i~4 52), 170052#(<= ULTIMATE.start_main_~i~4 49), 170053#(<= ULTIMATE.start_main_~i~4 50), 170058#(<= ULTIMATE.start_main_~i~4 55), 170059#(<= ULTIMATE.start_main_~i~4 56), 170056#(<= ULTIMATE.start_main_~i~4 53), 170057#(<= ULTIMATE.start_main_~i~4 54), 170062#(<= ULTIMATE.start_main_~i~4 59), 170063#(<= ULTIMATE.start_main_~i~4 60), 170060#(<= ULTIMATE.start_main_~i~4 57), 170061#(<= ULTIMATE.start_main_~i~4 58), 170066#(<= ULTIMATE.start_main_~i~4 63), 170067#(<= ULTIMATE.start_main_~i~4 64), 170064#(<= ULTIMATE.start_main_~i~4 61), 170065#(<= ULTIMATE.start_main_~i~4 62), 170070#(<= ULTIMATE.start_main_~i~4 67), 170071#(<= ULTIMATE.start_main_~i~4 68), 170068#(<= ULTIMATE.start_main_~i~4 65), 170069#(<= ULTIMATE.start_main_~i~4 66), 170074#(<= ULTIMATE.start_main_~i~4 71), 170075#(<= ULTIMATE.start_main_~i~4 72), 170072#(<= ULTIMATE.start_main_~i~4 69), 170073#(<= ULTIMATE.start_main_~i~4 70), 170078#(<= ULTIMATE.start_main_~i~4 75), 170079#(<= ULTIMATE.start_main_~i~4 76), 170076#(<= ULTIMATE.start_main_~i~4 73), 170077#(<= ULTIMATE.start_main_~i~4 74), 170082#(<= ULTIMATE.start_main_~i~4 79), 170083#(<= ULTIMATE.start_main_~i~4 80), 170080#(<= ULTIMATE.start_main_~i~4 77), 170081#(<= ULTIMATE.start_main_~i~4 78), 170086#(<= ULTIMATE.start_main_~i~4 83), 170087#(<= ULTIMATE.start_main_~i~4 84), 170084#(<= ULTIMATE.start_main_~i~4 81), 170085#(<= ULTIMATE.start_main_~i~4 82), 170090#(<= ULTIMATE.start_main_~i~4 87), 170091#(<= ULTIMATE.start_main_~i~4 88), 170088#(<= ULTIMATE.start_main_~i~4 85), 170089#(<= ULTIMATE.start_main_~i~4 86), 170094#(<= ULTIMATE.start_main_~i~4 91), 170095#(<= ULTIMATE.start_main_~i~4 92), 170092#(<= ULTIMATE.start_main_~i~4 89), 170093#(<= ULTIMATE.start_main_~i~4 90), 170098#(<= ULTIMATE.start_main_~i~4 95), 170099#(<= ULTIMATE.start_main_~i~4 96), 170096#(<= ULTIMATE.start_main_~i~4 93), 170097#(<= ULTIMATE.start_main_~i~4 94), 170102#(<= ULTIMATE.start_main_~i~4 99), 170103#(<= ULTIMATE.start_main_~i~4 100), 170100#(<= ULTIMATE.start_main_~i~4 97), 170101#(<= ULTIMATE.start_main_~i~4 98), 170106#(<= ULTIMATE.start_main_~i~4 103), 170107#(<= ULTIMATE.start_main_~i~4 104), 170104#(<= ULTIMATE.start_main_~i~4 101), 170105#(<= ULTIMATE.start_main_~i~4 102), 170110#(<= ULTIMATE.start_main_~i~4 107), 170111#(<= ULTIMATE.start_main_~i~4 108), 170108#(<= ULTIMATE.start_main_~i~4 105), 170109#(<= ULTIMATE.start_main_~i~4 106), 170114#(<= ULTIMATE.start_main_~i~4 111), 170115#(<= ULTIMATE.start_main_~i~4 112), 170112#(<= ULTIMATE.start_main_~i~4 109), 170113#(<= ULTIMATE.start_main_~i~4 110), 170118#(<= ULTIMATE.start_main_~i~4 115), 170119#(<= ULTIMATE.start_main_~i~4 116), 170116#(<= ULTIMATE.start_main_~i~4 113), 170117#(<= ULTIMATE.start_main_~i~4 114), 170122#(<= ULTIMATE.start_main_~i~4 119), 170123#(<= ULTIMATE.start_main_~i~4 120), 170120#(<= ULTIMATE.start_main_~i~4 117), 170121#(<= ULTIMATE.start_main_~i~4 118), 170126#(<= ULTIMATE.start_main_~i~4 123), 170127#(<= ULTIMATE.start_main_~i~4 124), 170124#(<= ULTIMATE.start_main_~i~4 121), 170125#(<= ULTIMATE.start_main_~i~4 122), 170130#(<= ULTIMATE.start_main_~i~4 127), 170131#(<= ULTIMATE.start_main_~i~4 128), 170128#(<= ULTIMATE.start_main_~i~4 125), 170129#(<= ULTIMATE.start_main_~i~4 126), 170134#(<= ULTIMATE.start_main_~i~4 131), 170135#(<= ULTIMATE.start_main_~i~4 132), 170132#(<= ULTIMATE.start_main_~i~4 129), 170133#(<= ULTIMATE.start_main_~i~4 130), 170138#(<= ULTIMATE.start_main_~i~4 135), 170139#(<= ULTIMATE.start_main_~i~4 136), 170136#(<= ULTIMATE.start_main_~i~4 133), 170137#(<= ULTIMATE.start_main_~i~4 134), 170142#(<= ULTIMATE.start_main_~i~4 139), 170143#(<= ULTIMATE.start_main_~i~4 140), 170140#(<= ULTIMATE.start_main_~i~4 137), 170141#(<= ULTIMATE.start_main_~i~4 138), 170146#(<= ULTIMATE.start_main_~i~4 143), 170147#(<= ULTIMATE.start_main_~i~4 144), 170144#(<= ULTIMATE.start_main_~i~4 141), 170145#(<= ULTIMATE.start_main_~i~4 142), 170150#(<= ULTIMATE.start_main_~i~4 147), 170151#(<= ULTIMATE.start_main_~i~4 148), 170148#(<= ULTIMATE.start_main_~i~4 145), 170149#(<= ULTIMATE.start_main_~i~4 146), 170154#(<= ULTIMATE.start_main_~i~4 151), 170155#(<= ULTIMATE.start_main_~i~4 152), 170152#(<= ULTIMATE.start_main_~i~4 149), 170153#(<= ULTIMATE.start_main_~i~4 150), 170158#(<= ULTIMATE.start_main_~i~4 155), 170159#(<= ULTIMATE.start_main_~i~4 156), 170156#(<= ULTIMATE.start_main_~i~4 153), 170157#(<= ULTIMATE.start_main_~i~4 154), 170162#(<= ULTIMATE.start_main_~i~4 159), 170163#(<= ULTIMATE.start_main_~i~4 160), 170160#(<= ULTIMATE.start_main_~i~4 157), 170161#(<= ULTIMATE.start_main_~i~4 158), 170166#(<= ULTIMATE.start_main_~i~4 163), 170167#(<= ULTIMATE.start_main_~i~4 164), 170164#(<= ULTIMATE.start_main_~i~4 161), 170165#(<= ULTIMATE.start_main_~i~4 162), 170170#(<= ULTIMATE.start_main_~i~4 167), 170171#(<= ULTIMATE.start_main_~i~4 168), 170168#(<= ULTIMATE.start_main_~i~4 165), 170169#(<= ULTIMATE.start_main_~i~4 166), 170174#(<= ULTIMATE.start_main_~i~4 171), 170175#(<= ULTIMATE.start_main_~i~4 172), 170172#(<= ULTIMATE.start_main_~i~4 169), 170173#(<= ULTIMATE.start_main_~i~4 170), 170178#(<= ULTIMATE.start_main_~i~4 175), 170179#(<= ULTIMATE.start_main_~i~4 176), 170176#(<= ULTIMATE.start_main_~i~4 173), 170177#(<= ULTIMATE.start_main_~i~4 174), 170182#(<= ULTIMATE.start_main_~i~4 179), 170183#(<= ULTIMATE.start_main_~i~4 180), 170180#(<= ULTIMATE.start_main_~i~4 177), 170181#(<= ULTIMATE.start_main_~i~4 178), 170186#(<= ULTIMATE.start_main_~i~4 183), 170187#(<= ULTIMATE.start_main_~i~4 184), 170184#(<= ULTIMATE.start_main_~i~4 181), 170185#(<= ULTIMATE.start_main_~i~4 182), 170190#(<= ULTIMATE.start_main_~i~4 187), 170191#(<= ULTIMATE.start_main_~i~4 188), 170188#(<= ULTIMATE.start_main_~i~4 185), 170189#(<= ULTIMATE.start_main_~i~4 186), 170194#(<= ULTIMATE.start_main_~i~4 191), 170192#(<= ULTIMATE.start_main_~i~4 189), 170193#(<= ULTIMATE.start_main_~i~4 190)] [2018-07-23 13:45:27,840 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 13:45:27,840 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:45:27,842 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:45:27,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:45:27,844 INFO L87 Difference]: Start difference. First operand 387 states and 387 transitions. Second operand 194 states. [2018-07-23 13:45:30,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:30,013 INFO L93 Difference]: Finished difference Result 391 states and 391 transitions. [2018-07-23 13:45:30,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:45:30,013 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 386 [2018-07-23 13:45:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:30,014 INFO L225 Difference]: With dead ends: 391 [2018-07-23 13:45:30,014 INFO L226 Difference]: Without dead ends: 389 [2018-07-23 13:45:30,016 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 13:45:30,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-07-23 13:45:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2018-07-23 13:45:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-07-23 13:45:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 389 transitions. [2018-07-23 13:45:30,022 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 389 transitions. Word has length 386 [2018-07-23 13:45:30,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:30,022 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 389 transitions. [2018-07-23 13:45:30,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:45:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 389 transitions. [2018-07-23 13:45:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-07-23 13:45:30,024 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:30,024 INFO L357 BasicCegarLoop]: trace histogram [193, 192, 1, 1, 1] [2018-07-23 13:45:30,025 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:30,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2096309433, now seen corresponding path program 192 times [2018-07-23 13:45:30,025 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:31,146 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 13:45:31,146 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:31,146 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:45:31,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:31,147 INFO L185 omatonBuilderFactory]: Interpolants [171755#true, 171758#(<= ULTIMATE.start_main_~i~4 1), 171759#(<= ULTIMATE.start_main_~i~4 2), 171756#false, 171757#(<= ULTIMATE.start_main_~i~4 0), 171762#(<= ULTIMATE.start_main_~i~4 5), 171763#(<= ULTIMATE.start_main_~i~4 6), 171760#(<= ULTIMATE.start_main_~i~4 3), 171761#(<= ULTIMATE.start_main_~i~4 4), 171766#(<= ULTIMATE.start_main_~i~4 9), 171767#(<= ULTIMATE.start_main_~i~4 10), 171764#(<= ULTIMATE.start_main_~i~4 7), 171765#(<= ULTIMATE.start_main_~i~4 8), 171770#(<= ULTIMATE.start_main_~i~4 13), 171771#(<= ULTIMATE.start_main_~i~4 14), 171768#(<= ULTIMATE.start_main_~i~4 11), 171769#(<= ULTIMATE.start_main_~i~4 12), 171774#(<= ULTIMATE.start_main_~i~4 17), 171775#(<= ULTIMATE.start_main_~i~4 18), 171772#(<= ULTIMATE.start_main_~i~4 15), 171773#(<= ULTIMATE.start_main_~i~4 16), 171778#(<= ULTIMATE.start_main_~i~4 21), 171779#(<= ULTIMATE.start_main_~i~4 22), 171776#(<= ULTIMATE.start_main_~i~4 19), 171777#(<= ULTIMATE.start_main_~i~4 20), 171782#(<= ULTIMATE.start_main_~i~4 25), 171783#(<= ULTIMATE.start_main_~i~4 26), 171780#(<= ULTIMATE.start_main_~i~4 23), 171781#(<= ULTIMATE.start_main_~i~4 24), 171786#(<= ULTIMATE.start_main_~i~4 29), 171787#(<= ULTIMATE.start_main_~i~4 30), 171784#(<= ULTIMATE.start_main_~i~4 27), 171785#(<= ULTIMATE.start_main_~i~4 28), 171790#(<= ULTIMATE.start_main_~i~4 33), 171791#(<= ULTIMATE.start_main_~i~4 34), 171788#(<= ULTIMATE.start_main_~i~4 31), 171789#(<= ULTIMATE.start_main_~i~4 32), 171794#(<= ULTIMATE.start_main_~i~4 37), 171795#(<= ULTIMATE.start_main_~i~4 38), 171792#(<= ULTIMATE.start_main_~i~4 35), 171793#(<= ULTIMATE.start_main_~i~4 36), 171798#(<= ULTIMATE.start_main_~i~4 41), 171799#(<= ULTIMATE.start_main_~i~4 42), 171796#(<= ULTIMATE.start_main_~i~4 39), 171797#(<= ULTIMATE.start_main_~i~4 40), 171802#(<= ULTIMATE.start_main_~i~4 45), 171803#(<= ULTIMATE.start_main_~i~4 46), 171800#(<= ULTIMATE.start_main_~i~4 43), 171801#(<= ULTIMATE.start_main_~i~4 44), 171806#(<= ULTIMATE.start_main_~i~4 49), 171807#(<= ULTIMATE.start_main_~i~4 50), 171804#(<= ULTIMATE.start_main_~i~4 47), 171805#(<= ULTIMATE.start_main_~i~4 48), 171810#(<= ULTIMATE.start_main_~i~4 53), 171811#(<= ULTIMATE.start_main_~i~4 54), 171808#(<= ULTIMATE.start_main_~i~4 51), 171809#(<= ULTIMATE.start_main_~i~4 52), 171814#(<= ULTIMATE.start_main_~i~4 57), 171815#(<= ULTIMATE.start_main_~i~4 58), 171812#(<= ULTIMATE.start_main_~i~4 55), 171813#(<= ULTIMATE.start_main_~i~4 56), 171818#(<= ULTIMATE.start_main_~i~4 61), 171819#(<= ULTIMATE.start_main_~i~4 62), 171816#(<= ULTIMATE.start_main_~i~4 59), 171817#(<= ULTIMATE.start_main_~i~4 60), 171822#(<= ULTIMATE.start_main_~i~4 65), 171823#(<= ULTIMATE.start_main_~i~4 66), 171820#(<= ULTIMATE.start_main_~i~4 63), 171821#(<= ULTIMATE.start_main_~i~4 64), 171826#(<= ULTIMATE.start_main_~i~4 69), 171827#(<= ULTIMATE.start_main_~i~4 70), 171824#(<= ULTIMATE.start_main_~i~4 67), 171825#(<= ULTIMATE.start_main_~i~4 68), 171830#(<= ULTIMATE.start_main_~i~4 73), 171831#(<= ULTIMATE.start_main_~i~4 74), 171828#(<= ULTIMATE.start_main_~i~4 71), 171829#(<= ULTIMATE.start_main_~i~4 72), 171834#(<= ULTIMATE.start_main_~i~4 77), 171835#(<= ULTIMATE.start_main_~i~4 78), 171832#(<= ULTIMATE.start_main_~i~4 75), 171833#(<= ULTIMATE.start_main_~i~4 76), 171838#(<= ULTIMATE.start_main_~i~4 81), 171839#(<= ULTIMATE.start_main_~i~4 82), 171836#(<= ULTIMATE.start_main_~i~4 79), 171837#(<= ULTIMATE.start_main_~i~4 80), 171842#(<= ULTIMATE.start_main_~i~4 85), 171843#(<= ULTIMATE.start_main_~i~4 86), 171840#(<= ULTIMATE.start_main_~i~4 83), 171841#(<= ULTIMATE.start_main_~i~4 84), 171846#(<= ULTIMATE.start_main_~i~4 89), 171847#(<= ULTIMATE.start_main_~i~4 90), 171844#(<= ULTIMATE.start_main_~i~4 87), 171845#(<= ULTIMATE.start_main_~i~4 88), 171850#(<= ULTIMATE.start_main_~i~4 93), 171851#(<= ULTIMATE.start_main_~i~4 94), 171848#(<= ULTIMATE.start_main_~i~4 91), 171849#(<= ULTIMATE.start_main_~i~4 92), 171854#(<= ULTIMATE.start_main_~i~4 97), 171855#(<= ULTIMATE.start_main_~i~4 98), 171852#(<= ULTIMATE.start_main_~i~4 95), 171853#(<= ULTIMATE.start_main_~i~4 96), 171858#(<= ULTIMATE.start_main_~i~4 101), 171859#(<= ULTIMATE.start_main_~i~4 102), 171856#(<= ULTIMATE.start_main_~i~4 99), 171857#(<= ULTIMATE.start_main_~i~4 100), 171862#(<= ULTIMATE.start_main_~i~4 105), 171863#(<= ULTIMATE.start_main_~i~4 106), 171860#(<= ULTIMATE.start_main_~i~4 103), 171861#(<= ULTIMATE.start_main_~i~4 104), 171866#(<= ULTIMATE.start_main_~i~4 109), 171867#(<= ULTIMATE.start_main_~i~4 110), 171864#(<= ULTIMATE.start_main_~i~4 107), 171865#(<= ULTIMATE.start_main_~i~4 108), 171870#(<= ULTIMATE.start_main_~i~4 113), 171871#(<= ULTIMATE.start_main_~i~4 114), 171868#(<= ULTIMATE.start_main_~i~4 111), 171869#(<= ULTIMATE.start_main_~i~4 112), 171874#(<= ULTIMATE.start_main_~i~4 117), 171875#(<= ULTIMATE.start_main_~i~4 118), 171872#(<= ULTIMATE.start_main_~i~4 115), 171873#(<= ULTIMATE.start_main_~i~4 116), 171878#(<= ULTIMATE.start_main_~i~4 121), 171879#(<= ULTIMATE.start_main_~i~4 122), 171876#(<= ULTIMATE.start_main_~i~4 119), 171877#(<= ULTIMATE.start_main_~i~4 120), 171882#(<= ULTIMATE.start_main_~i~4 125), 171883#(<= ULTIMATE.start_main_~i~4 126), 171880#(<= ULTIMATE.start_main_~i~4 123), 171881#(<= ULTIMATE.start_main_~i~4 124), 171886#(<= ULTIMATE.start_main_~i~4 129), 171887#(<= ULTIMATE.start_main_~i~4 130), 171884#(<= ULTIMATE.start_main_~i~4 127), 171885#(<= ULTIMATE.start_main_~i~4 128), 171890#(<= ULTIMATE.start_main_~i~4 133), 171891#(<= ULTIMATE.start_main_~i~4 134), 171888#(<= ULTIMATE.start_main_~i~4 131), 171889#(<= ULTIMATE.start_main_~i~4 132), 171894#(<= ULTIMATE.start_main_~i~4 137), 171895#(<= ULTIMATE.start_main_~i~4 138), 171892#(<= ULTIMATE.start_main_~i~4 135), 171893#(<= ULTIMATE.start_main_~i~4 136), 171898#(<= ULTIMATE.start_main_~i~4 141), 171899#(<= ULTIMATE.start_main_~i~4 142), 171896#(<= ULTIMATE.start_main_~i~4 139), 171897#(<= ULTIMATE.start_main_~i~4 140), 171902#(<= ULTIMATE.start_main_~i~4 145), 171903#(<= ULTIMATE.start_main_~i~4 146), 171900#(<= ULTIMATE.start_main_~i~4 143), 171901#(<= ULTIMATE.start_main_~i~4 144), 171906#(<= ULTIMATE.start_main_~i~4 149), 171907#(<= ULTIMATE.start_main_~i~4 150), 171904#(<= ULTIMATE.start_main_~i~4 147), 171905#(<= ULTIMATE.start_main_~i~4 148), 171910#(<= ULTIMATE.start_main_~i~4 153), 171911#(<= ULTIMATE.start_main_~i~4 154), 171908#(<= ULTIMATE.start_main_~i~4 151), 171909#(<= ULTIMATE.start_main_~i~4 152), 171914#(<= ULTIMATE.start_main_~i~4 157), 171915#(<= ULTIMATE.start_main_~i~4 158), 171912#(<= ULTIMATE.start_main_~i~4 155), 171913#(<= ULTIMATE.start_main_~i~4 156), 171918#(<= ULTIMATE.start_main_~i~4 161), 171919#(<= ULTIMATE.start_main_~i~4 162), 171916#(<= ULTIMATE.start_main_~i~4 159), 171917#(<= ULTIMATE.start_main_~i~4 160), 171922#(<= ULTIMATE.start_main_~i~4 165), 171923#(<= ULTIMATE.start_main_~i~4 166), 171920#(<= ULTIMATE.start_main_~i~4 163), 171921#(<= ULTIMATE.start_main_~i~4 164), 171926#(<= ULTIMATE.start_main_~i~4 169), 171927#(<= ULTIMATE.start_main_~i~4 170), 171924#(<= ULTIMATE.start_main_~i~4 167), 171925#(<= ULTIMATE.start_main_~i~4 168), 171930#(<= ULTIMATE.start_main_~i~4 173), 171931#(<= ULTIMATE.start_main_~i~4 174), 171928#(<= ULTIMATE.start_main_~i~4 171), 171929#(<= ULTIMATE.start_main_~i~4 172), 171934#(<= ULTIMATE.start_main_~i~4 177), 171935#(<= ULTIMATE.start_main_~i~4 178), 171932#(<= ULTIMATE.start_main_~i~4 175), 171933#(<= ULTIMATE.start_main_~i~4 176), 171938#(<= ULTIMATE.start_main_~i~4 181), 171939#(<= ULTIMATE.start_main_~i~4 182), 171936#(<= ULTIMATE.start_main_~i~4 179), 171937#(<= ULTIMATE.start_main_~i~4 180), 171942#(<= ULTIMATE.start_main_~i~4 185), 171943#(<= ULTIMATE.start_main_~i~4 186), 171940#(<= ULTIMATE.start_main_~i~4 183), 171941#(<= ULTIMATE.start_main_~i~4 184), 171946#(<= ULTIMATE.start_main_~i~4 189), 171947#(<= ULTIMATE.start_main_~i~4 190), 171944#(<= ULTIMATE.start_main_~i~4 187), 171945#(<= ULTIMATE.start_main_~i~4 188), 171948#(<= ULTIMATE.start_main_~i~4 191), 171949#(<= ULTIMATE.start_main_~i~4 192)] [2018-07-23 13:45:31,149 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 13:45:31,149 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:45:31,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:45:31,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:45:31,154 INFO L87 Difference]: Start difference. First operand 389 states and 389 transitions. Second operand 195 states. [2018-07-23 13:45:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:33,200 INFO L93 Difference]: Finished difference Result 393 states and 393 transitions. [2018-07-23 13:45:33,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:45:33,200 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 388 [2018-07-23 13:45:33,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:33,201 INFO L225 Difference]: With dead ends: 393 [2018-07-23 13:45:33,201 INFO L226 Difference]: Without dead ends: 391 [2018-07-23 13:45:33,204 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 13:45:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-07-23 13:45:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2018-07-23 13:45:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-07-23 13:45:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 391 transitions. [2018-07-23 13:45:33,208 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 391 transitions. Word has length 388 [2018-07-23 13:45:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:33,208 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 391 transitions. [2018-07-23 13:45:33,208 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:45:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 391 transitions. [2018-07-23 13:45:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-07-23 13:45:33,210 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:33,210 INFO L357 BasicCegarLoop]: trace histogram [194, 193, 1, 1, 1] [2018-07-23 13:45:33,210 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:33,210 INFO L82 PathProgramCache]: Analyzing trace with hash -213651199, now seen corresponding path program 193 times [2018-07-23 13:45:33,210 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:34,231 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 13:45:34,231 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:34,231 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:45:34,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,232 INFO L185 omatonBuilderFactory]: Interpolants [173570#(<= ULTIMATE.start_main_~i~4 50), 173571#(<= ULTIMATE.start_main_~i~4 51), 173568#(<= ULTIMATE.start_main_~i~4 48), 173569#(<= ULTIMATE.start_main_~i~4 49), 173574#(<= ULTIMATE.start_main_~i~4 54), 173575#(<= ULTIMATE.start_main_~i~4 55), 173572#(<= ULTIMATE.start_main_~i~4 52), 173573#(<= ULTIMATE.start_main_~i~4 53), 173578#(<= ULTIMATE.start_main_~i~4 58), 173579#(<= ULTIMATE.start_main_~i~4 59), 173576#(<= ULTIMATE.start_main_~i~4 56), 173577#(<= ULTIMATE.start_main_~i~4 57), 173582#(<= ULTIMATE.start_main_~i~4 62), 173583#(<= ULTIMATE.start_main_~i~4 63), 173580#(<= ULTIMATE.start_main_~i~4 60), 173581#(<= ULTIMATE.start_main_~i~4 61), 173586#(<= ULTIMATE.start_main_~i~4 66), 173587#(<= ULTIMATE.start_main_~i~4 67), 173584#(<= ULTIMATE.start_main_~i~4 64), 173585#(<= ULTIMATE.start_main_~i~4 65), 173590#(<= ULTIMATE.start_main_~i~4 70), 173591#(<= ULTIMATE.start_main_~i~4 71), 173588#(<= ULTIMATE.start_main_~i~4 68), 173589#(<= ULTIMATE.start_main_~i~4 69), 173594#(<= ULTIMATE.start_main_~i~4 74), 173595#(<= ULTIMATE.start_main_~i~4 75), 173592#(<= ULTIMATE.start_main_~i~4 72), 173593#(<= ULTIMATE.start_main_~i~4 73), 173598#(<= ULTIMATE.start_main_~i~4 78), 173599#(<= ULTIMATE.start_main_~i~4 79), 173596#(<= ULTIMATE.start_main_~i~4 76), 173597#(<= ULTIMATE.start_main_~i~4 77), 173602#(<= ULTIMATE.start_main_~i~4 82), 173603#(<= ULTIMATE.start_main_~i~4 83), 173600#(<= ULTIMATE.start_main_~i~4 80), 173601#(<= ULTIMATE.start_main_~i~4 81), 173606#(<= ULTIMATE.start_main_~i~4 86), 173607#(<= ULTIMATE.start_main_~i~4 87), 173604#(<= ULTIMATE.start_main_~i~4 84), 173605#(<= ULTIMATE.start_main_~i~4 85), 173610#(<= ULTIMATE.start_main_~i~4 90), 173611#(<= ULTIMATE.start_main_~i~4 91), 173608#(<= ULTIMATE.start_main_~i~4 88), 173609#(<= ULTIMATE.start_main_~i~4 89), 173614#(<= ULTIMATE.start_main_~i~4 94), 173615#(<= ULTIMATE.start_main_~i~4 95), 173612#(<= ULTIMATE.start_main_~i~4 92), 173613#(<= ULTIMATE.start_main_~i~4 93), 173618#(<= ULTIMATE.start_main_~i~4 98), 173619#(<= ULTIMATE.start_main_~i~4 99), 173616#(<= ULTIMATE.start_main_~i~4 96), 173617#(<= ULTIMATE.start_main_~i~4 97), 173622#(<= ULTIMATE.start_main_~i~4 102), 173623#(<= ULTIMATE.start_main_~i~4 103), 173620#(<= ULTIMATE.start_main_~i~4 100), 173621#(<= ULTIMATE.start_main_~i~4 101), 173626#(<= ULTIMATE.start_main_~i~4 106), 173627#(<= ULTIMATE.start_main_~i~4 107), 173624#(<= ULTIMATE.start_main_~i~4 104), 173625#(<= ULTIMATE.start_main_~i~4 105), 173630#(<= ULTIMATE.start_main_~i~4 110), 173631#(<= ULTIMATE.start_main_~i~4 111), 173628#(<= ULTIMATE.start_main_~i~4 108), 173629#(<= ULTIMATE.start_main_~i~4 109), 173634#(<= ULTIMATE.start_main_~i~4 114), 173635#(<= ULTIMATE.start_main_~i~4 115), 173632#(<= ULTIMATE.start_main_~i~4 112), 173633#(<= ULTIMATE.start_main_~i~4 113), 173638#(<= ULTIMATE.start_main_~i~4 118), 173639#(<= ULTIMATE.start_main_~i~4 119), 173636#(<= ULTIMATE.start_main_~i~4 116), 173637#(<= ULTIMATE.start_main_~i~4 117), 173642#(<= ULTIMATE.start_main_~i~4 122), 173643#(<= ULTIMATE.start_main_~i~4 123), 173640#(<= ULTIMATE.start_main_~i~4 120), 173641#(<= ULTIMATE.start_main_~i~4 121), 173646#(<= ULTIMATE.start_main_~i~4 126), 173647#(<= ULTIMATE.start_main_~i~4 127), 173644#(<= ULTIMATE.start_main_~i~4 124), 173645#(<= ULTIMATE.start_main_~i~4 125), 173650#(<= ULTIMATE.start_main_~i~4 130), 173651#(<= ULTIMATE.start_main_~i~4 131), 173648#(<= ULTIMATE.start_main_~i~4 128), 173649#(<= ULTIMATE.start_main_~i~4 129), 173654#(<= ULTIMATE.start_main_~i~4 134), 173655#(<= ULTIMATE.start_main_~i~4 135), 173652#(<= ULTIMATE.start_main_~i~4 132), 173653#(<= ULTIMATE.start_main_~i~4 133), 173658#(<= ULTIMATE.start_main_~i~4 138), 173659#(<= ULTIMATE.start_main_~i~4 139), 173656#(<= ULTIMATE.start_main_~i~4 136), 173657#(<= ULTIMATE.start_main_~i~4 137), 173662#(<= ULTIMATE.start_main_~i~4 142), 173663#(<= ULTIMATE.start_main_~i~4 143), 173660#(<= ULTIMATE.start_main_~i~4 140), 173661#(<= ULTIMATE.start_main_~i~4 141), 173666#(<= ULTIMATE.start_main_~i~4 146), 173667#(<= ULTIMATE.start_main_~i~4 147), 173664#(<= ULTIMATE.start_main_~i~4 144), 173665#(<= ULTIMATE.start_main_~i~4 145), 173670#(<= ULTIMATE.start_main_~i~4 150), 173671#(<= ULTIMATE.start_main_~i~4 151), 173668#(<= ULTIMATE.start_main_~i~4 148), 173669#(<= ULTIMATE.start_main_~i~4 149), 173674#(<= ULTIMATE.start_main_~i~4 154), 173675#(<= ULTIMATE.start_main_~i~4 155), 173672#(<= ULTIMATE.start_main_~i~4 152), 173673#(<= ULTIMATE.start_main_~i~4 153), 173678#(<= ULTIMATE.start_main_~i~4 158), 173679#(<= ULTIMATE.start_main_~i~4 159), 173676#(<= ULTIMATE.start_main_~i~4 156), 173677#(<= ULTIMATE.start_main_~i~4 157), 173682#(<= ULTIMATE.start_main_~i~4 162), 173683#(<= ULTIMATE.start_main_~i~4 163), 173680#(<= ULTIMATE.start_main_~i~4 160), 173681#(<= ULTIMATE.start_main_~i~4 161), 173686#(<= ULTIMATE.start_main_~i~4 166), 173687#(<= ULTIMATE.start_main_~i~4 167), 173684#(<= ULTIMATE.start_main_~i~4 164), 173685#(<= ULTIMATE.start_main_~i~4 165), 173690#(<= ULTIMATE.start_main_~i~4 170), 173691#(<= ULTIMATE.start_main_~i~4 171), 173688#(<= ULTIMATE.start_main_~i~4 168), 173689#(<= ULTIMATE.start_main_~i~4 169), 173694#(<= ULTIMATE.start_main_~i~4 174), 173695#(<= ULTIMATE.start_main_~i~4 175), 173692#(<= ULTIMATE.start_main_~i~4 172), 173693#(<= ULTIMATE.start_main_~i~4 173), 173698#(<= ULTIMATE.start_main_~i~4 178), 173699#(<= ULTIMATE.start_main_~i~4 179), 173696#(<= ULTIMATE.start_main_~i~4 176), 173697#(<= ULTIMATE.start_main_~i~4 177), 173702#(<= ULTIMATE.start_main_~i~4 182), 173703#(<= ULTIMATE.start_main_~i~4 183), 173700#(<= ULTIMATE.start_main_~i~4 180), 173701#(<= ULTIMATE.start_main_~i~4 181), 173706#(<= ULTIMATE.start_main_~i~4 186), 173707#(<= ULTIMATE.start_main_~i~4 187), 173704#(<= ULTIMATE.start_main_~i~4 184), 173705#(<= ULTIMATE.start_main_~i~4 185), 173710#(<= ULTIMATE.start_main_~i~4 190), 173711#(<= ULTIMATE.start_main_~i~4 191), 173708#(<= ULTIMATE.start_main_~i~4 188), 173709#(<= ULTIMATE.start_main_~i~4 189), 173712#(<= ULTIMATE.start_main_~i~4 192), 173713#(<= ULTIMATE.start_main_~i~4 193), 173518#true, 173519#false, 173522#(<= ULTIMATE.start_main_~i~4 2), 173523#(<= ULTIMATE.start_main_~i~4 3), 173520#(<= ULTIMATE.start_main_~i~4 0), 173521#(<= ULTIMATE.start_main_~i~4 1), 173526#(<= ULTIMATE.start_main_~i~4 6), 173527#(<= ULTIMATE.start_main_~i~4 7), 173524#(<= ULTIMATE.start_main_~i~4 4), 173525#(<= ULTIMATE.start_main_~i~4 5), 173530#(<= ULTIMATE.start_main_~i~4 10), 173531#(<= ULTIMATE.start_main_~i~4 11), 173528#(<= ULTIMATE.start_main_~i~4 8), 173529#(<= ULTIMATE.start_main_~i~4 9), 173534#(<= ULTIMATE.start_main_~i~4 14), 173535#(<= ULTIMATE.start_main_~i~4 15), 173532#(<= ULTIMATE.start_main_~i~4 12), 173533#(<= ULTIMATE.start_main_~i~4 13), 173538#(<= ULTIMATE.start_main_~i~4 18), 173539#(<= ULTIMATE.start_main_~i~4 19), 173536#(<= ULTIMATE.start_main_~i~4 16), 173537#(<= ULTIMATE.start_main_~i~4 17), 173542#(<= ULTIMATE.start_main_~i~4 22), 173543#(<= ULTIMATE.start_main_~i~4 23), 173540#(<= ULTIMATE.start_main_~i~4 20), 173541#(<= ULTIMATE.start_main_~i~4 21), 173546#(<= ULTIMATE.start_main_~i~4 26), 173547#(<= ULTIMATE.start_main_~i~4 27), 173544#(<= ULTIMATE.start_main_~i~4 24), 173545#(<= ULTIMATE.start_main_~i~4 25), 173550#(<= ULTIMATE.start_main_~i~4 30), 173551#(<= ULTIMATE.start_main_~i~4 31), 173548#(<= ULTIMATE.start_main_~i~4 28), 173549#(<= ULTIMATE.start_main_~i~4 29), 173554#(<= ULTIMATE.start_main_~i~4 34), 173555#(<= ULTIMATE.start_main_~i~4 35), 173552#(<= ULTIMATE.start_main_~i~4 32), 173553#(<= ULTIMATE.start_main_~i~4 33), 173558#(<= ULTIMATE.start_main_~i~4 38), 173559#(<= ULTIMATE.start_main_~i~4 39), 173556#(<= ULTIMATE.start_main_~i~4 36), 173557#(<= ULTIMATE.start_main_~i~4 37), 173562#(<= ULTIMATE.start_main_~i~4 42), 173563#(<= ULTIMATE.start_main_~i~4 43), 173560#(<= ULTIMATE.start_main_~i~4 40), 173561#(<= ULTIMATE.start_main_~i~4 41), 173566#(<= ULTIMATE.start_main_~i~4 46), 173567#(<= ULTIMATE.start_main_~i~4 47), 173564#(<= ULTIMATE.start_main_~i~4 44), 173565#(<= ULTIMATE.start_main_~i~4 45)] [2018-07-23 13:45:34,233 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 13:45:34,233 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:45:34,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:45:34,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:45:34,236 INFO L87 Difference]: Start difference. First operand 391 states and 391 transitions. Second operand 196 states. [2018-07-23 13:45:35,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:35,334 INFO L93 Difference]: Finished difference Result 395 states and 395 transitions. [2018-07-23 13:45:35,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:45:35,334 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 390 [2018-07-23 13:45:35,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:35,335 INFO L225 Difference]: With dead ends: 395 [2018-07-23 13:45:35,335 INFO L226 Difference]: Without dead ends: 393 [2018-07-23 13:45:35,336 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:45:35,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-07-23 13:45:35,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-07-23 13:45:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-07-23 13:45:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 393 transitions. [2018-07-23 13:45:35,340 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 393 transitions. Word has length 390 [2018-07-23 13:45:35,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:35,340 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 393 transitions. [2018-07-23 13:45:35,340 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:45:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 393 transitions. [2018-07-23 13:45:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-07-23 13:45:35,341 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:35,341 INFO L357 BasicCegarLoop]: trace histogram [195, 194, 1, 1, 1] [2018-07-23 13:45:35,341 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:35,342 INFO L82 PathProgramCache]: Analyzing trace with hash 839680059, now seen corresponding path program 194 times [2018-07-23 13:45:35,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:36,345 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 13:45:36,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:36,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:45:36,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,346 INFO L185 omatonBuilderFactory]: Interpolants [175290#true, 175291#false, 175294#(<= ULTIMATE.start_main_~i~4 2), 175295#(<= ULTIMATE.start_main_~i~4 3), 175292#(<= ULTIMATE.start_main_~i~4 0), 175293#(<= ULTIMATE.start_main_~i~4 1), 175298#(<= ULTIMATE.start_main_~i~4 6), 175299#(<= ULTIMATE.start_main_~i~4 7), 175296#(<= ULTIMATE.start_main_~i~4 4), 175297#(<= ULTIMATE.start_main_~i~4 5), 175302#(<= ULTIMATE.start_main_~i~4 10), 175303#(<= ULTIMATE.start_main_~i~4 11), 175300#(<= ULTIMATE.start_main_~i~4 8), 175301#(<= ULTIMATE.start_main_~i~4 9), 175306#(<= ULTIMATE.start_main_~i~4 14), 175307#(<= ULTIMATE.start_main_~i~4 15), 175304#(<= ULTIMATE.start_main_~i~4 12), 175305#(<= ULTIMATE.start_main_~i~4 13), 175310#(<= ULTIMATE.start_main_~i~4 18), 175311#(<= ULTIMATE.start_main_~i~4 19), 175308#(<= ULTIMATE.start_main_~i~4 16), 175309#(<= ULTIMATE.start_main_~i~4 17), 175314#(<= ULTIMATE.start_main_~i~4 22), 175315#(<= ULTIMATE.start_main_~i~4 23), 175312#(<= ULTIMATE.start_main_~i~4 20), 175313#(<= ULTIMATE.start_main_~i~4 21), 175318#(<= ULTIMATE.start_main_~i~4 26), 175319#(<= ULTIMATE.start_main_~i~4 27), 175316#(<= ULTIMATE.start_main_~i~4 24), 175317#(<= ULTIMATE.start_main_~i~4 25), 175322#(<= ULTIMATE.start_main_~i~4 30), 175323#(<= ULTIMATE.start_main_~i~4 31), 175320#(<= ULTIMATE.start_main_~i~4 28), 175321#(<= ULTIMATE.start_main_~i~4 29), 175326#(<= ULTIMATE.start_main_~i~4 34), 175327#(<= ULTIMATE.start_main_~i~4 35), 175324#(<= ULTIMATE.start_main_~i~4 32), 175325#(<= ULTIMATE.start_main_~i~4 33), 175330#(<= ULTIMATE.start_main_~i~4 38), 175331#(<= ULTIMATE.start_main_~i~4 39), 175328#(<= ULTIMATE.start_main_~i~4 36), 175329#(<= ULTIMATE.start_main_~i~4 37), 175334#(<= ULTIMATE.start_main_~i~4 42), 175335#(<= ULTIMATE.start_main_~i~4 43), 175332#(<= ULTIMATE.start_main_~i~4 40), 175333#(<= ULTIMATE.start_main_~i~4 41), 175338#(<= ULTIMATE.start_main_~i~4 46), 175339#(<= ULTIMATE.start_main_~i~4 47), 175336#(<= ULTIMATE.start_main_~i~4 44), 175337#(<= ULTIMATE.start_main_~i~4 45), 175342#(<= ULTIMATE.start_main_~i~4 50), 175343#(<= ULTIMATE.start_main_~i~4 51), 175340#(<= ULTIMATE.start_main_~i~4 48), 175341#(<= ULTIMATE.start_main_~i~4 49), 175346#(<= ULTIMATE.start_main_~i~4 54), 175347#(<= ULTIMATE.start_main_~i~4 55), 175344#(<= ULTIMATE.start_main_~i~4 52), 175345#(<= ULTIMATE.start_main_~i~4 53), 175350#(<= ULTIMATE.start_main_~i~4 58), 175351#(<= ULTIMATE.start_main_~i~4 59), 175348#(<= ULTIMATE.start_main_~i~4 56), 175349#(<= ULTIMATE.start_main_~i~4 57), 175354#(<= ULTIMATE.start_main_~i~4 62), 175355#(<= ULTIMATE.start_main_~i~4 63), 175352#(<= ULTIMATE.start_main_~i~4 60), 175353#(<= ULTIMATE.start_main_~i~4 61), 175358#(<= ULTIMATE.start_main_~i~4 66), 175359#(<= ULTIMATE.start_main_~i~4 67), 175356#(<= ULTIMATE.start_main_~i~4 64), 175357#(<= ULTIMATE.start_main_~i~4 65), 175362#(<= ULTIMATE.start_main_~i~4 70), 175363#(<= ULTIMATE.start_main_~i~4 71), 175360#(<= ULTIMATE.start_main_~i~4 68), 175361#(<= ULTIMATE.start_main_~i~4 69), 175366#(<= ULTIMATE.start_main_~i~4 74), 175367#(<= ULTIMATE.start_main_~i~4 75), 175364#(<= ULTIMATE.start_main_~i~4 72), 175365#(<= ULTIMATE.start_main_~i~4 73), 175370#(<= ULTIMATE.start_main_~i~4 78), 175371#(<= ULTIMATE.start_main_~i~4 79), 175368#(<= ULTIMATE.start_main_~i~4 76), 175369#(<= ULTIMATE.start_main_~i~4 77), 175374#(<= ULTIMATE.start_main_~i~4 82), 175375#(<= ULTIMATE.start_main_~i~4 83), 175372#(<= ULTIMATE.start_main_~i~4 80), 175373#(<= ULTIMATE.start_main_~i~4 81), 175378#(<= ULTIMATE.start_main_~i~4 86), 175379#(<= ULTIMATE.start_main_~i~4 87), 175376#(<= ULTIMATE.start_main_~i~4 84), 175377#(<= ULTIMATE.start_main_~i~4 85), 175382#(<= ULTIMATE.start_main_~i~4 90), 175383#(<= ULTIMATE.start_main_~i~4 91), 175380#(<= ULTIMATE.start_main_~i~4 88), 175381#(<= ULTIMATE.start_main_~i~4 89), 175386#(<= ULTIMATE.start_main_~i~4 94), 175387#(<= ULTIMATE.start_main_~i~4 95), 175384#(<= ULTIMATE.start_main_~i~4 92), 175385#(<= ULTIMATE.start_main_~i~4 93), 175390#(<= ULTIMATE.start_main_~i~4 98), 175391#(<= ULTIMATE.start_main_~i~4 99), 175388#(<= ULTIMATE.start_main_~i~4 96), 175389#(<= ULTIMATE.start_main_~i~4 97), 175394#(<= ULTIMATE.start_main_~i~4 102), 175395#(<= ULTIMATE.start_main_~i~4 103), 175392#(<= ULTIMATE.start_main_~i~4 100), 175393#(<= ULTIMATE.start_main_~i~4 101), 175398#(<= ULTIMATE.start_main_~i~4 106), 175399#(<= ULTIMATE.start_main_~i~4 107), 175396#(<= ULTIMATE.start_main_~i~4 104), 175397#(<= ULTIMATE.start_main_~i~4 105), 175402#(<= ULTIMATE.start_main_~i~4 110), 175403#(<= ULTIMATE.start_main_~i~4 111), 175400#(<= ULTIMATE.start_main_~i~4 108), 175401#(<= ULTIMATE.start_main_~i~4 109), 175406#(<= ULTIMATE.start_main_~i~4 114), 175407#(<= ULTIMATE.start_main_~i~4 115), 175404#(<= ULTIMATE.start_main_~i~4 112), 175405#(<= ULTIMATE.start_main_~i~4 113), 175410#(<= ULTIMATE.start_main_~i~4 118), 175411#(<= ULTIMATE.start_main_~i~4 119), 175408#(<= ULTIMATE.start_main_~i~4 116), 175409#(<= ULTIMATE.start_main_~i~4 117), 175414#(<= ULTIMATE.start_main_~i~4 122), 175415#(<= ULTIMATE.start_main_~i~4 123), 175412#(<= ULTIMATE.start_main_~i~4 120), 175413#(<= ULTIMATE.start_main_~i~4 121), 175418#(<= ULTIMATE.start_main_~i~4 126), 175419#(<= ULTIMATE.start_main_~i~4 127), 175416#(<= ULTIMATE.start_main_~i~4 124), 175417#(<= ULTIMATE.start_main_~i~4 125), 175422#(<= ULTIMATE.start_main_~i~4 130), 175423#(<= ULTIMATE.start_main_~i~4 131), 175420#(<= ULTIMATE.start_main_~i~4 128), 175421#(<= ULTIMATE.start_main_~i~4 129), 175426#(<= ULTIMATE.start_main_~i~4 134), 175427#(<= ULTIMATE.start_main_~i~4 135), 175424#(<= ULTIMATE.start_main_~i~4 132), 175425#(<= ULTIMATE.start_main_~i~4 133), 175430#(<= ULTIMATE.start_main_~i~4 138), 175431#(<= ULTIMATE.start_main_~i~4 139), 175428#(<= ULTIMATE.start_main_~i~4 136), 175429#(<= ULTIMATE.start_main_~i~4 137), 175434#(<= ULTIMATE.start_main_~i~4 142), 175435#(<= ULTIMATE.start_main_~i~4 143), 175432#(<= ULTIMATE.start_main_~i~4 140), 175433#(<= ULTIMATE.start_main_~i~4 141), 175438#(<= ULTIMATE.start_main_~i~4 146), 175439#(<= ULTIMATE.start_main_~i~4 147), 175436#(<= ULTIMATE.start_main_~i~4 144), 175437#(<= ULTIMATE.start_main_~i~4 145), 175442#(<= ULTIMATE.start_main_~i~4 150), 175443#(<= ULTIMATE.start_main_~i~4 151), 175440#(<= ULTIMATE.start_main_~i~4 148), 175441#(<= ULTIMATE.start_main_~i~4 149), 175446#(<= ULTIMATE.start_main_~i~4 154), 175447#(<= ULTIMATE.start_main_~i~4 155), 175444#(<= ULTIMATE.start_main_~i~4 152), 175445#(<= ULTIMATE.start_main_~i~4 153), 175450#(<= ULTIMATE.start_main_~i~4 158), 175451#(<= ULTIMATE.start_main_~i~4 159), 175448#(<= ULTIMATE.start_main_~i~4 156), 175449#(<= ULTIMATE.start_main_~i~4 157), 175454#(<= ULTIMATE.start_main_~i~4 162), 175455#(<= ULTIMATE.start_main_~i~4 163), 175452#(<= ULTIMATE.start_main_~i~4 160), 175453#(<= ULTIMATE.start_main_~i~4 161), 175458#(<= ULTIMATE.start_main_~i~4 166), 175459#(<= ULTIMATE.start_main_~i~4 167), 175456#(<= ULTIMATE.start_main_~i~4 164), 175457#(<= ULTIMATE.start_main_~i~4 165), 175462#(<= ULTIMATE.start_main_~i~4 170), 175463#(<= ULTIMATE.start_main_~i~4 171), 175460#(<= ULTIMATE.start_main_~i~4 168), 175461#(<= ULTIMATE.start_main_~i~4 169), 175466#(<= ULTIMATE.start_main_~i~4 174), 175467#(<= ULTIMATE.start_main_~i~4 175), 175464#(<= ULTIMATE.start_main_~i~4 172), 175465#(<= ULTIMATE.start_main_~i~4 173), 175470#(<= ULTIMATE.start_main_~i~4 178), 175471#(<= ULTIMATE.start_main_~i~4 179), 175468#(<= ULTIMATE.start_main_~i~4 176), 175469#(<= ULTIMATE.start_main_~i~4 177), 175474#(<= ULTIMATE.start_main_~i~4 182), 175475#(<= ULTIMATE.start_main_~i~4 183), 175472#(<= ULTIMATE.start_main_~i~4 180), 175473#(<= ULTIMATE.start_main_~i~4 181), 175478#(<= ULTIMATE.start_main_~i~4 186), 175479#(<= ULTIMATE.start_main_~i~4 187), 175476#(<= ULTIMATE.start_main_~i~4 184), 175477#(<= ULTIMATE.start_main_~i~4 185), 175482#(<= ULTIMATE.start_main_~i~4 190), 175483#(<= ULTIMATE.start_main_~i~4 191), 175480#(<= ULTIMATE.start_main_~i~4 188), 175481#(<= ULTIMATE.start_main_~i~4 189), 175486#(<= ULTIMATE.start_main_~i~4 194), 175484#(<= ULTIMATE.start_main_~i~4 192), 175485#(<= ULTIMATE.start_main_~i~4 193)] [2018-07-23 13:45:36,348 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 13:45:36,348 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:45:36,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:45:36,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:45:36,353 INFO L87 Difference]: Start difference. First operand 393 states and 393 transitions. Second operand 197 states. [2018-07-23 13:45:37,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:37,226 INFO L93 Difference]: Finished difference Result 397 states and 397 transitions. [2018-07-23 13:45:37,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:45:37,226 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 392 [2018-07-23 13:45:37,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:37,227 INFO L225 Difference]: With dead ends: 397 [2018-07-23 13:45:37,227 INFO L226 Difference]: Without dead ends: 395 [2018-07-23 13:45:37,229 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:45:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-07-23 13:45:37,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-07-23 13:45:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-07-23 13:45:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 395 transitions. [2018-07-23 13:45:37,233 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 395 transitions. Word has length 392 [2018-07-23 13:45:37,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:37,233 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 395 transitions. [2018-07-23 13:45:37,233 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:45:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 395 transitions. [2018-07-23 13:45:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-07-23 13:45:37,234 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:37,234 INFO L357 BasicCegarLoop]: trace histogram [196, 195, 1, 1, 1] [2018-07-23 13:45:37,234 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:37,234 INFO L82 PathProgramCache]: Analyzing trace with hash -521262859, now seen corresponding path program 195 times [2018-07-23 13:45:37,234 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:38,379 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 13:45:38,380 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:38,380 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:45:38,380 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:38,380 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 13:45:38,381 INFO L185 omatonBuilderFactory]: Interpolants [177154#(<= ULTIMATE.start_main_~i~4 81), 177155#(<= ULTIMATE.start_main_~i~4 82), 177152#(<= ULTIMATE.start_main_~i~4 79), 177153#(<= ULTIMATE.start_main_~i~4 80), 177158#(<= ULTIMATE.start_main_~i~4 85), 177159#(<= ULTIMATE.start_main_~i~4 86), 177156#(<= ULTIMATE.start_main_~i~4 83), 177157#(<= ULTIMATE.start_main_~i~4 84), 177162#(<= ULTIMATE.start_main_~i~4 89), 177163#(<= ULTIMATE.start_main_~i~4 90), 177160#(<= ULTIMATE.start_main_~i~4 87), 177161#(<= ULTIMATE.start_main_~i~4 88), 177166#(<= ULTIMATE.start_main_~i~4 93), 177167#(<= ULTIMATE.start_main_~i~4 94), 177164#(<= ULTIMATE.start_main_~i~4 91), 177165#(<= ULTIMATE.start_main_~i~4 92), 177170#(<= ULTIMATE.start_main_~i~4 97), 177171#(<= ULTIMATE.start_main_~i~4 98), 177168#(<= ULTIMATE.start_main_~i~4 95), 177169#(<= ULTIMATE.start_main_~i~4 96), 177174#(<= ULTIMATE.start_main_~i~4 101), 177175#(<= ULTIMATE.start_main_~i~4 102), 177172#(<= ULTIMATE.start_main_~i~4 99), 177173#(<= ULTIMATE.start_main_~i~4 100), 177178#(<= ULTIMATE.start_main_~i~4 105), 177179#(<= ULTIMATE.start_main_~i~4 106), 177176#(<= ULTIMATE.start_main_~i~4 103), 177177#(<= ULTIMATE.start_main_~i~4 104), 177182#(<= ULTIMATE.start_main_~i~4 109), 177183#(<= ULTIMATE.start_main_~i~4 110), 177180#(<= ULTIMATE.start_main_~i~4 107), 177181#(<= ULTIMATE.start_main_~i~4 108), 177186#(<= ULTIMATE.start_main_~i~4 113), 177187#(<= ULTIMATE.start_main_~i~4 114), 177184#(<= ULTIMATE.start_main_~i~4 111), 177185#(<= ULTIMATE.start_main_~i~4 112), 177190#(<= ULTIMATE.start_main_~i~4 117), 177191#(<= ULTIMATE.start_main_~i~4 118), 177188#(<= ULTIMATE.start_main_~i~4 115), 177189#(<= ULTIMATE.start_main_~i~4 116), 177194#(<= ULTIMATE.start_main_~i~4 121), 177195#(<= ULTIMATE.start_main_~i~4 122), 177192#(<= ULTIMATE.start_main_~i~4 119), 177193#(<= ULTIMATE.start_main_~i~4 120), 177198#(<= ULTIMATE.start_main_~i~4 125), 177199#(<= ULTIMATE.start_main_~i~4 126), 177196#(<= ULTIMATE.start_main_~i~4 123), 177197#(<= ULTIMATE.start_main_~i~4 124), 177202#(<= ULTIMATE.start_main_~i~4 129), 177203#(<= ULTIMATE.start_main_~i~4 130), 177200#(<= ULTIMATE.start_main_~i~4 127), 177201#(<= ULTIMATE.start_main_~i~4 128), 177206#(<= ULTIMATE.start_main_~i~4 133), 177207#(<= ULTIMATE.start_main_~i~4 134), 177204#(<= ULTIMATE.start_main_~i~4 131), 177205#(<= ULTIMATE.start_main_~i~4 132), 177210#(<= ULTIMATE.start_main_~i~4 137), 177211#(<= ULTIMATE.start_main_~i~4 138), 177208#(<= ULTIMATE.start_main_~i~4 135), 177209#(<= ULTIMATE.start_main_~i~4 136), 177214#(<= ULTIMATE.start_main_~i~4 141), 177215#(<= ULTIMATE.start_main_~i~4 142), 177212#(<= ULTIMATE.start_main_~i~4 139), 177213#(<= ULTIMATE.start_main_~i~4 140), 177218#(<= ULTIMATE.start_main_~i~4 145), 177219#(<= ULTIMATE.start_main_~i~4 146), 177216#(<= ULTIMATE.start_main_~i~4 143), 177217#(<= ULTIMATE.start_main_~i~4 144), 177222#(<= ULTIMATE.start_main_~i~4 149), 177223#(<= ULTIMATE.start_main_~i~4 150), 177220#(<= ULTIMATE.start_main_~i~4 147), 177221#(<= ULTIMATE.start_main_~i~4 148), 177226#(<= ULTIMATE.start_main_~i~4 153), 177227#(<= ULTIMATE.start_main_~i~4 154), 177224#(<= ULTIMATE.start_main_~i~4 151), 177225#(<= ULTIMATE.start_main_~i~4 152), 177230#(<= ULTIMATE.start_main_~i~4 157), 177231#(<= ULTIMATE.start_main_~i~4 158), 177228#(<= ULTIMATE.start_main_~i~4 155), 177229#(<= ULTIMATE.start_main_~i~4 156), 177234#(<= ULTIMATE.start_main_~i~4 161), 177235#(<= ULTIMATE.start_main_~i~4 162), 177232#(<= ULTIMATE.start_main_~i~4 159), 177233#(<= ULTIMATE.start_main_~i~4 160), 177238#(<= ULTIMATE.start_main_~i~4 165), 177239#(<= ULTIMATE.start_main_~i~4 166), 177236#(<= ULTIMATE.start_main_~i~4 163), 177237#(<= ULTIMATE.start_main_~i~4 164), 177242#(<= ULTIMATE.start_main_~i~4 169), 177243#(<= ULTIMATE.start_main_~i~4 170), 177240#(<= ULTIMATE.start_main_~i~4 167), 177241#(<= ULTIMATE.start_main_~i~4 168), 177246#(<= ULTIMATE.start_main_~i~4 173), 177247#(<= ULTIMATE.start_main_~i~4 174), 177244#(<= ULTIMATE.start_main_~i~4 171), 177245#(<= ULTIMATE.start_main_~i~4 172), 177250#(<= ULTIMATE.start_main_~i~4 177), 177251#(<= ULTIMATE.start_main_~i~4 178), 177248#(<= ULTIMATE.start_main_~i~4 175), 177249#(<= ULTIMATE.start_main_~i~4 176), 177254#(<= ULTIMATE.start_main_~i~4 181), 177255#(<= ULTIMATE.start_main_~i~4 182), 177252#(<= ULTIMATE.start_main_~i~4 179), 177253#(<= ULTIMATE.start_main_~i~4 180), 177258#(<= ULTIMATE.start_main_~i~4 185), 177259#(<= ULTIMATE.start_main_~i~4 186), 177256#(<= ULTIMATE.start_main_~i~4 183), 177257#(<= ULTIMATE.start_main_~i~4 184), 177262#(<= ULTIMATE.start_main_~i~4 189), 177263#(<= ULTIMATE.start_main_~i~4 190), 177260#(<= ULTIMATE.start_main_~i~4 187), 177261#(<= ULTIMATE.start_main_~i~4 188), 177266#(<= ULTIMATE.start_main_~i~4 193), 177267#(<= ULTIMATE.start_main_~i~4 194), 177264#(<= ULTIMATE.start_main_~i~4 191), 177265#(<= ULTIMATE.start_main_~i~4 192), 177268#(<= ULTIMATE.start_main_~i~4 195), 177071#true, 177074#(<= ULTIMATE.start_main_~i~4 1), 177075#(<= ULTIMATE.start_main_~i~4 2), 177072#false, 177073#(<= ULTIMATE.start_main_~i~4 0), 177078#(<= ULTIMATE.start_main_~i~4 5), 177079#(<= ULTIMATE.start_main_~i~4 6), 177076#(<= ULTIMATE.start_main_~i~4 3), 177077#(<= ULTIMATE.start_main_~i~4 4), 177082#(<= ULTIMATE.start_main_~i~4 9), 177083#(<= ULTIMATE.start_main_~i~4 10), 177080#(<= ULTIMATE.start_main_~i~4 7), 177081#(<= ULTIMATE.start_main_~i~4 8), 177086#(<= ULTIMATE.start_main_~i~4 13), 177087#(<= ULTIMATE.start_main_~i~4 14), 177084#(<= ULTIMATE.start_main_~i~4 11), 177085#(<= ULTIMATE.start_main_~i~4 12), 177090#(<= ULTIMATE.start_main_~i~4 17), 177091#(<= ULTIMATE.start_main_~i~4 18), 177088#(<= ULTIMATE.start_main_~i~4 15), 177089#(<= ULTIMATE.start_main_~i~4 16), 177094#(<= ULTIMATE.start_main_~i~4 21), 177095#(<= ULTIMATE.start_main_~i~4 22), 177092#(<= ULTIMATE.start_main_~i~4 19), 177093#(<= ULTIMATE.start_main_~i~4 20), 177098#(<= ULTIMATE.start_main_~i~4 25), 177099#(<= ULTIMATE.start_main_~i~4 26), 177096#(<= ULTIMATE.start_main_~i~4 23), 177097#(<= ULTIMATE.start_main_~i~4 24), 177102#(<= ULTIMATE.start_main_~i~4 29), 177103#(<= ULTIMATE.start_main_~i~4 30), 177100#(<= ULTIMATE.start_main_~i~4 27), 177101#(<= ULTIMATE.start_main_~i~4 28), 177106#(<= ULTIMATE.start_main_~i~4 33), 177107#(<= ULTIMATE.start_main_~i~4 34), 177104#(<= ULTIMATE.start_main_~i~4 31), 177105#(<= ULTIMATE.start_main_~i~4 32), 177110#(<= ULTIMATE.start_main_~i~4 37), 177111#(<= ULTIMATE.start_main_~i~4 38), 177108#(<= ULTIMATE.start_main_~i~4 35), 177109#(<= ULTIMATE.start_main_~i~4 36), 177114#(<= ULTIMATE.start_main_~i~4 41), 177115#(<= ULTIMATE.start_main_~i~4 42), 177112#(<= ULTIMATE.start_main_~i~4 39), 177113#(<= ULTIMATE.start_main_~i~4 40), 177118#(<= ULTIMATE.start_main_~i~4 45), 177119#(<= ULTIMATE.start_main_~i~4 46), 177116#(<= ULTIMATE.start_main_~i~4 43), 177117#(<= ULTIMATE.start_main_~i~4 44), 177122#(<= ULTIMATE.start_main_~i~4 49), 177123#(<= ULTIMATE.start_main_~i~4 50), 177120#(<= ULTIMATE.start_main_~i~4 47), 177121#(<= ULTIMATE.start_main_~i~4 48), 177126#(<= ULTIMATE.start_main_~i~4 53), 177127#(<= ULTIMATE.start_main_~i~4 54), 177124#(<= ULTIMATE.start_main_~i~4 51), 177125#(<= ULTIMATE.start_main_~i~4 52), 177130#(<= ULTIMATE.start_main_~i~4 57), 177131#(<= ULTIMATE.start_main_~i~4 58), 177128#(<= ULTIMATE.start_main_~i~4 55), 177129#(<= ULTIMATE.start_main_~i~4 56), 177134#(<= ULTIMATE.start_main_~i~4 61), 177135#(<= ULTIMATE.start_main_~i~4 62), 177132#(<= ULTIMATE.start_main_~i~4 59), 177133#(<= ULTIMATE.start_main_~i~4 60), 177138#(<= ULTIMATE.start_main_~i~4 65), 177139#(<= ULTIMATE.start_main_~i~4 66), 177136#(<= ULTIMATE.start_main_~i~4 63), 177137#(<= ULTIMATE.start_main_~i~4 64), 177142#(<= ULTIMATE.start_main_~i~4 69), 177143#(<= ULTIMATE.start_main_~i~4 70), 177140#(<= ULTIMATE.start_main_~i~4 67), 177141#(<= ULTIMATE.start_main_~i~4 68), 177146#(<= ULTIMATE.start_main_~i~4 73), 177147#(<= ULTIMATE.start_main_~i~4 74), 177144#(<= ULTIMATE.start_main_~i~4 71), 177145#(<= ULTIMATE.start_main_~i~4 72), 177150#(<= ULTIMATE.start_main_~i~4 77), 177151#(<= ULTIMATE.start_main_~i~4 78), 177148#(<= ULTIMATE.start_main_~i~4 75), 177149#(<= ULTIMATE.start_main_~i~4 76)] [2018-07-23 13:45:38,383 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 13:45:38,383 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:45:38,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:45:38,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:45:38,386 INFO L87 Difference]: Start difference. First operand 395 states and 395 transitions. Second operand 198 states. [2018-07-23 13:45:39,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:39,049 INFO L93 Difference]: Finished difference Result 399 states and 399 transitions. [2018-07-23 13:45:39,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:45:39,049 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 394 [2018-07-23 13:45:39,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:39,050 INFO L225 Difference]: With dead ends: 399 [2018-07-23 13:45:39,050 INFO L226 Difference]: Without dead ends: 397 [2018-07-23 13:45:39,051 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 13:45:39,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-07-23 13:45:39,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-07-23 13:45:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-07-23 13:45:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 397 transitions. [2018-07-23 13:45:39,055 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 397 transitions. Word has length 394 [2018-07-23 13:45:39,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:39,055 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 397 transitions. [2018-07-23 13:45:39,055 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:45:39,055 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 397 transitions. [2018-07-23 13:45:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-07-23 13:45:39,056 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:39,056 INFO L357 BasicCegarLoop]: trace histogram [197, 196, 1, 1, 1] [2018-07-23 13:45:39,056 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:39,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1577618223, now seen corresponding path program 196 times [2018-07-23 13:45:39,057 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:40,098 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 13:45:40,099 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:40,099 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:45:40,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:40,100 INFO L185 omatonBuilderFactory]: Interpolants [178862#false, 178863#(<= ULTIMATE.start_main_~i~4 0), 178861#true, 178866#(<= ULTIMATE.start_main_~i~4 3), 178867#(<= ULTIMATE.start_main_~i~4 4), 178864#(<= ULTIMATE.start_main_~i~4 1), 178865#(<= ULTIMATE.start_main_~i~4 2), 178870#(<= ULTIMATE.start_main_~i~4 7), 178871#(<= ULTIMATE.start_main_~i~4 8), 178868#(<= ULTIMATE.start_main_~i~4 5), 178869#(<= ULTIMATE.start_main_~i~4 6), 178874#(<= ULTIMATE.start_main_~i~4 11), 178875#(<= ULTIMATE.start_main_~i~4 12), 178872#(<= ULTIMATE.start_main_~i~4 9), 178873#(<= ULTIMATE.start_main_~i~4 10), 178878#(<= ULTIMATE.start_main_~i~4 15), 178879#(<= ULTIMATE.start_main_~i~4 16), 178876#(<= ULTIMATE.start_main_~i~4 13), 178877#(<= ULTIMATE.start_main_~i~4 14), 178882#(<= ULTIMATE.start_main_~i~4 19), 178883#(<= ULTIMATE.start_main_~i~4 20), 178880#(<= ULTIMATE.start_main_~i~4 17), 178881#(<= ULTIMATE.start_main_~i~4 18), 178886#(<= ULTIMATE.start_main_~i~4 23), 178887#(<= ULTIMATE.start_main_~i~4 24), 178884#(<= ULTIMATE.start_main_~i~4 21), 178885#(<= ULTIMATE.start_main_~i~4 22), 178890#(<= ULTIMATE.start_main_~i~4 27), 178891#(<= ULTIMATE.start_main_~i~4 28), 178888#(<= ULTIMATE.start_main_~i~4 25), 178889#(<= ULTIMATE.start_main_~i~4 26), 178894#(<= ULTIMATE.start_main_~i~4 31), 178895#(<= ULTIMATE.start_main_~i~4 32), 178892#(<= ULTIMATE.start_main_~i~4 29), 178893#(<= ULTIMATE.start_main_~i~4 30), 178898#(<= ULTIMATE.start_main_~i~4 35), 178899#(<= ULTIMATE.start_main_~i~4 36), 178896#(<= ULTIMATE.start_main_~i~4 33), 178897#(<= ULTIMATE.start_main_~i~4 34), 178902#(<= ULTIMATE.start_main_~i~4 39), 178903#(<= ULTIMATE.start_main_~i~4 40), 178900#(<= ULTIMATE.start_main_~i~4 37), 178901#(<= ULTIMATE.start_main_~i~4 38), 178906#(<= ULTIMATE.start_main_~i~4 43), 178907#(<= ULTIMATE.start_main_~i~4 44), 178904#(<= ULTIMATE.start_main_~i~4 41), 178905#(<= ULTIMATE.start_main_~i~4 42), 178910#(<= ULTIMATE.start_main_~i~4 47), 178911#(<= ULTIMATE.start_main_~i~4 48), 178908#(<= ULTIMATE.start_main_~i~4 45), 178909#(<= ULTIMATE.start_main_~i~4 46), 178914#(<= ULTIMATE.start_main_~i~4 51), 178915#(<= ULTIMATE.start_main_~i~4 52), 178912#(<= ULTIMATE.start_main_~i~4 49), 178913#(<= ULTIMATE.start_main_~i~4 50), 178918#(<= ULTIMATE.start_main_~i~4 55), 178919#(<= ULTIMATE.start_main_~i~4 56), 178916#(<= ULTIMATE.start_main_~i~4 53), 178917#(<= ULTIMATE.start_main_~i~4 54), 178922#(<= ULTIMATE.start_main_~i~4 59), 178923#(<= ULTIMATE.start_main_~i~4 60), 178920#(<= ULTIMATE.start_main_~i~4 57), 178921#(<= ULTIMATE.start_main_~i~4 58), 178926#(<= ULTIMATE.start_main_~i~4 63), 178927#(<= ULTIMATE.start_main_~i~4 64), 178924#(<= ULTIMATE.start_main_~i~4 61), 178925#(<= ULTIMATE.start_main_~i~4 62), 178930#(<= ULTIMATE.start_main_~i~4 67), 178931#(<= ULTIMATE.start_main_~i~4 68), 178928#(<= ULTIMATE.start_main_~i~4 65), 178929#(<= ULTIMATE.start_main_~i~4 66), 178934#(<= ULTIMATE.start_main_~i~4 71), 178935#(<= ULTIMATE.start_main_~i~4 72), 178932#(<= ULTIMATE.start_main_~i~4 69), 178933#(<= ULTIMATE.start_main_~i~4 70), 178938#(<= ULTIMATE.start_main_~i~4 75), 178939#(<= ULTIMATE.start_main_~i~4 76), 178936#(<= ULTIMATE.start_main_~i~4 73), 178937#(<= ULTIMATE.start_main_~i~4 74), 178942#(<= ULTIMATE.start_main_~i~4 79), 178943#(<= ULTIMATE.start_main_~i~4 80), 178940#(<= ULTIMATE.start_main_~i~4 77), 178941#(<= ULTIMATE.start_main_~i~4 78), 178946#(<= ULTIMATE.start_main_~i~4 83), 178947#(<= ULTIMATE.start_main_~i~4 84), 178944#(<= ULTIMATE.start_main_~i~4 81), 178945#(<= ULTIMATE.start_main_~i~4 82), 178950#(<= ULTIMATE.start_main_~i~4 87), 178951#(<= ULTIMATE.start_main_~i~4 88), 178948#(<= ULTIMATE.start_main_~i~4 85), 178949#(<= ULTIMATE.start_main_~i~4 86), 178954#(<= ULTIMATE.start_main_~i~4 91), 178955#(<= ULTIMATE.start_main_~i~4 92), 178952#(<= ULTIMATE.start_main_~i~4 89), 178953#(<= ULTIMATE.start_main_~i~4 90), 178958#(<= ULTIMATE.start_main_~i~4 95), 178959#(<= ULTIMATE.start_main_~i~4 96), 178956#(<= ULTIMATE.start_main_~i~4 93), 178957#(<= ULTIMATE.start_main_~i~4 94), 178962#(<= ULTIMATE.start_main_~i~4 99), 178963#(<= ULTIMATE.start_main_~i~4 100), 178960#(<= ULTIMATE.start_main_~i~4 97), 178961#(<= ULTIMATE.start_main_~i~4 98), 178966#(<= ULTIMATE.start_main_~i~4 103), 178967#(<= ULTIMATE.start_main_~i~4 104), 178964#(<= ULTIMATE.start_main_~i~4 101), 178965#(<= ULTIMATE.start_main_~i~4 102), 178970#(<= ULTIMATE.start_main_~i~4 107), 178971#(<= ULTIMATE.start_main_~i~4 108), 178968#(<= ULTIMATE.start_main_~i~4 105), 178969#(<= ULTIMATE.start_main_~i~4 106), 178974#(<= ULTIMATE.start_main_~i~4 111), 178975#(<= ULTIMATE.start_main_~i~4 112), 178972#(<= ULTIMATE.start_main_~i~4 109), 178973#(<= ULTIMATE.start_main_~i~4 110), 178978#(<= ULTIMATE.start_main_~i~4 115), 178979#(<= ULTIMATE.start_main_~i~4 116), 178976#(<= ULTIMATE.start_main_~i~4 113), 178977#(<= ULTIMATE.start_main_~i~4 114), 178982#(<= ULTIMATE.start_main_~i~4 119), 178983#(<= ULTIMATE.start_main_~i~4 120), 178980#(<= ULTIMATE.start_main_~i~4 117), 178981#(<= ULTIMATE.start_main_~i~4 118), 178986#(<= ULTIMATE.start_main_~i~4 123), 178987#(<= ULTIMATE.start_main_~i~4 124), 178984#(<= ULTIMATE.start_main_~i~4 121), 178985#(<= ULTIMATE.start_main_~i~4 122), 178990#(<= ULTIMATE.start_main_~i~4 127), 178991#(<= ULTIMATE.start_main_~i~4 128), 178988#(<= ULTIMATE.start_main_~i~4 125), 178989#(<= ULTIMATE.start_main_~i~4 126), 178994#(<= ULTIMATE.start_main_~i~4 131), 178995#(<= ULTIMATE.start_main_~i~4 132), 178992#(<= ULTIMATE.start_main_~i~4 129), 178993#(<= ULTIMATE.start_main_~i~4 130), 178998#(<= ULTIMATE.start_main_~i~4 135), 178999#(<= ULTIMATE.start_main_~i~4 136), 178996#(<= ULTIMATE.start_main_~i~4 133), 178997#(<= ULTIMATE.start_main_~i~4 134), 179002#(<= ULTIMATE.start_main_~i~4 139), 179003#(<= ULTIMATE.start_main_~i~4 140), 179000#(<= ULTIMATE.start_main_~i~4 137), 179001#(<= ULTIMATE.start_main_~i~4 138), 179006#(<= ULTIMATE.start_main_~i~4 143), 179007#(<= ULTIMATE.start_main_~i~4 144), 179004#(<= ULTIMATE.start_main_~i~4 141), 179005#(<= ULTIMATE.start_main_~i~4 142), 179010#(<= ULTIMATE.start_main_~i~4 147), 179011#(<= ULTIMATE.start_main_~i~4 148), 179008#(<= ULTIMATE.start_main_~i~4 145), 179009#(<= ULTIMATE.start_main_~i~4 146), 179014#(<= ULTIMATE.start_main_~i~4 151), 179015#(<= ULTIMATE.start_main_~i~4 152), 179012#(<= ULTIMATE.start_main_~i~4 149), 179013#(<= ULTIMATE.start_main_~i~4 150), 179018#(<= ULTIMATE.start_main_~i~4 155), 179019#(<= ULTIMATE.start_main_~i~4 156), 179016#(<= ULTIMATE.start_main_~i~4 153), 179017#(<= ULTIMATE.start_main_~i~4 154), 179022#(<= ULTIMATE.start_main_~i~4 159), 179023#(<= ULTIMATE.start_main_~i~4 160), 179020#(<= ULTIMATE.start_main_~i~4 157), 179021#(<= ULTIMATE.start_main_~i~4 158), 179026#(<= ULTIMATE.start_main_~i~4 163), 179027#(<= ULTIMATE.start_main_~i~4 164), 179024#(<= ULTIMATE.start_main_~i~4 161), 179025#(<= ULTIMATE.start_main_~i~4 162), 179030#(<= ULTIMATE.start_main_~i~4 167), 179031#(<= ULTIMATE.start_main_~i~4 168), 179028#(<= ULTIMATE.start_main_~i~4 165), 179029#(<= ULTIMATE.start_main_~i~4 166), 179034#(<= ULTIMATE.start_main_~i~4 171), 179035#(<= ULTIMATE.start_main_~i~4 172), 179032#(<= ULTIMATE.start_main_~i~4 169), 179033#(<= ULTIMATE.start_main_~i~4 170), 179038#(<= ULTIMATE.start_main_~i~4 175), 179039#(<= ULTIMATE.start_main_~i~4 176), 179036#(<= ULTIMATE.start_main_~i~4 173), 179037#(<= ULTIMATE.start_main_~i~4 174), 179042#(<= ULTIMATE.start_main_~i~4 179), 179043#(<= ULTIMATE.start_main_~i~4 180), 179040#(<= ULTIMATE.start_main_~i~4 177), 179041#(<= ULTIMATE.start_main_~i~4 178), 179046#(<= ULTIMATE.start_main_~i~4 183), 179047#(<= ULTIMATE.start_main_~i~4 184), 179044#(<= ULTIMATE.start_main_~i~4 181), 179045#(<= ULTIMATE.start_main_~i~4 182), 179050#(<= ULTIMATE.start_main_~i~4 187), 179051#(<= ULTIMATE.start_main_~i~4 188), 179048#(<= ULTIMATE.start_main_~i~4 185), 179049#(<= ULTIMATE.start_main_~i~4 186), 179054#(<= ULTIMATE.start_main_~i~4 191), 179055#(<= ULTIMATE.start_main_~i~4 192), 179052#(<= ULTIMATE.start_main_~i~4 189), 179053#(<= ULTIMATE.start_main_~i~4 190), 179058#(<= ULTIMATE.start_main_~i~4 195), 179059#(<= ULTIMATE.start_main_~i~4 196), 179056#(<= ULTIMATE.start_main_~i~4 193), 179057#(<= ULTIMATE.start_main_~i~4 194)] [2018-07-23 13:45:40,101 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 13:45:40,102 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:45:40,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:45:40,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:45:40,106 INFO L87 Difference]: Start difference. First operand 397 states and 397 transitions. Second operand 199 states. [2018-07-23 13:45:40,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:40,885 INFO L93 Difference]: Finished difference Result 401 states and 401 transitions. [2018-07-23 13:45:40,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:45:40,886 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 396 [2018-07-23 13:45:40,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:40,886 INFO L225 Difference]: With dead ends: 401 [2018-07-23 13:45:40,886 INFO L226 Difference]: Without dead ends: 399 [2018-07-23 13:45:40,888 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 13:45:40,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-07-23 13:45:40,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2018-07-23 13:45:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-07-23 13:45:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 399 transitions. [2018-07-23 13:45:40,892 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 399 transitions. Word has length 396 [2018-07-23 13:45:40,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:40,892 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 399 transitions. [2018-07-23 13:45:40,892 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:45:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 399 transitions. [2018-07-23 13:45:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-07-23 13:45:40,893 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:40,894 INFO L357 BasicCegarLoop]: trace histogram [198, 197, 1, 1, 1] [2018-07-23 13:45:40,894 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:40,894 INFO L82 PathProgramCache]: Analyzing trace with hash -32291095, now seen corresponding path program 197 times [2018-07-23 13:45:40,894 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:42,009 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 13:45:42,009 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:42,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:45:42,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,010 INFO L185 omatonBuilderFactory]: Interpolants [180738#(<= ULTIMATE.start_main_~i~4 76), 180739#(<= ULTIMATE.start_main_~i~4 77), 180736#(<= ULTIMATE.start_main_~i~4 74), 180737#(<= ULTIMATE.start_main_~i~4 75), 180742#(<= ULTIMATE.start_main_~i~4 80), 180743#(<= ULTIMATE.start_main_~i~4 81), 180740#(<= ULTIMATE.start_main_~i~4 78), 180741#(<= ULTIMATE.start_main_~i~4 79), 180746#(<= ULTIMATE.start_main_~i~4 84), 180747#(<= ULTIMATE.start_main_~i~4 85), 180744#(<= ULTIMATE.start_main_~i~4 82), 180745#(<= ULTIMATE.start_main_~i~4 83), 180750#(<= ULTIMATE.start_main_~i~4 88), 180751#(<= ULTIMATE.start_main_~i~4 89), 180748#(<= ULTIMATE.start_main_~i~4 86), 180749#(<= ULTIMATE.start_main_~i~4 87), 180754#(<= ULTIMATE.start_main_~i~4 92), 180755#(<= ULTIMATE.start_main_~i~4 93), 180752#(<= ULTIMATE.start_main_~i~4 90), 180753#(<= ULTIMATE.start_main_~i~4 91), 180758#(<= ULTIMATE.start_main_~i~4 96), 180759#(<= ULTIMATE.start_main_~i~4 97), 180756#(<= ULTIMATE.start_main_~i~4 94), 180757#(<= ULTIMATE.start_main_~i~4 95), 180762#(<= ULTIMATE.start_main_~i~4 100), 180763#(<= ULTIMATE.start_main_~i~4 101), 180760#(<= ULTIMATE.start_main_~i~4 98), 180761#(<= ULTIMATE.start_main_~i~4 99), 180766#(<= ULTIMATE.start_main_~i~4 104), 180767#(<= ULTIMATE.start_main_~i~4 105), 180764#(<= ULTIMATE.start_main_~i~4 102), 180765#(<= ULTIMATE.start_main_~i~4 103), 180770#(<= ULTIMATE.start_main_~i~4 108), 180771#(<= ULTIMATE.start_main_~i~4 109), 180768#(<= ULTIMATE.start_main_~i~4 106), 180769#(<= ULTIMATE.start_main_~i~4 107), 180774#(<= ULTIMATE.start_main_~i~4 112), 180775#(<= ULTIMATE.start_main_~i~4 113), 180772#(<= ULTIMATE.start_main_~i~4 110), 180773#(<= ULTIMATE.start_main_~i~4 111), 180778#(<= ULTIMATE.start_main_~i~4 116), 180779#(<= ULTIMATE.start_main_~i~4 117), 180776#(<= ULTIMATE.start_main_~i~4 114), 180777#(<= ULTIMATE.start_main_~i~4 115), 180782#(<= ULTIMATE.start_main_~i~4 120), 180783#(<= ULTIMATE.start_main_~i~4 121), 180780#(<= ULTIMATE.start_main_~i~4 118), 180781#(<= ULTIMATE.start_main_~i~4 119), 180786#(<= ULTIMATE.start_main_~i~4 124), 180787#(<= ULTIMATE.start_main_~i~4 125), 180784#(<= ULTIMATE.start_main_~i~4 122), 180785#(<= ULTIMATE.start_main_~i~4 123), 180790#(<= ULTIMATE.start_main_~i~4 128), 180791#(<= ULTIMATE.start_main_~i~4 129), 180788#(<= ULTIMATE.start_main_~i~4 126), 180789#(<= ULTIMATE.start_main_~i~4 127), 180794#(<= ULTIMATE.start_main_~i~4 132), 180795#(<= ULTIMATE.start_main_~i~4 133), 180792#(<= ULTIMATE.start_main_~i~4 130), 180793#(<= ULTIMATE.start_main_~i~4 131), 180798#(<= ULTIMATE.start_main_~i~4 136), 180799#(<= ULTIMATE.start_main_~i~4 137), 180796#(<= ULTIMATE.start_main_~i~4 134), 180797#(<= ULTIMATE.start_main_~i~4 135), 180802#(<= ULTIMATE.start_main_~i~4 140), 180803#(<= ULTIMATE.start_main_~i~4 141), 180800#(<= ULTIMATE.start_main_~i~4 138), 180801#(<= ULTIMATE.start_main_~i~4 139), 180806#(<= ULTIMATE.start_main_~i~4 144), 180807#(<= ULTIMATE.start_main_~i~4 145), 180804#(<= ULTIMATE.start_main_~i~4 142), 180805#(<= ULTIMATE.start_main_~i~4 143), 180810#(<= ULTIMATE.start_main_~i~4 148), 180811#(<= ULTIMATE.start_main_~i~4 149), 180808#(<= ULTIMATE.start_main_~i~4 146), 180809#(<= ULTIMATE.start_main_~i~4 147), 180814#(<= ULTIMATE.start_main_~i~4 152), 180815#(<= ULTIMATE.start_main_~i~4 153), 180812#(<= ULTIMATE.start_main_~i~4 150), 180813#(<= ULTIMATE.start_main_~i~4 151), 180818#(<= ULTIMATE.start_main_~i~4 156), 180819#(<= ULTIMATE.start_main_~i~4 157), 180816#(<= ULTIMATE.start_main_~i~4 154), 180817#(<= ULTIMATE.start_main_~i~4 155), 180822#(<= ULTIMATE.start_main_~i~4 160), 180823#(<= ULTIMATE.start_main_~i~4 161), 180820#(<= ULTIMATE.start_main_~i~4 158), 180821#(<= ULTIMATE.start_main_~i~4 159), 180826#(<= ULTIMATE.start_main_~i~4 164), 180827#(<= ULTIMATE.start_main_~i~4 165), 180824#(<= ULTIMATE.start_main_~i~4 162), 180825#(<= ULTIMATE.start_main_~i~4 163), 180830#(<= ULTIMATE.start_main_~i~4 168), 180831#(<= ULTIMATE.start_main_~i~4 169), 180828#(<= ULTIMATE.start_main_~i~4 166), 180829#(<= ULTIMATE.start_main_~i~4 167), 180834#(<= ULTIMATE.start_main_~i~4 172), 180835#(<= ULTIMATE.start_main_~i~4 173), 180832#(<= ULTIMATE.start_main_~i~4 170), 180833#(<= ULTIMATE.start_main_~i~4 171), 180838#(<= ULTIMATE.start_main_~i~4 176), 180839#(<= ULTIMATE.start_main_~i~4 177), 180836#(<= ULTIMATE.start_main_~i~4 174), 180837#(<= ULTIMATE.start_main_~i~4 175), 180842#(<= ULTIMATE.start_main_~i~4 180), 180843#(<= ULTIMATE.start_main_~i~4 181), 180840#(<= ULTIMATE.start_main_~i~4 178), 180841#(<= ULTIMATE.start_main_~i~4 179), 180846#(<= ULTIMATE.start_main_~i~4 184), 180847#(<= ULTIMATE.start_main_~i~4 185), 180844#(<= ULTIMATE.start_main_~i~4 182), 180845#(<= ULTIMATE.start_main_~i~4 183), 180850#(<= ULTIMATE.start_main_~i~4 188), 180851#(<= ULTIMATE.start_main_~i~4 189), 180848#(<= ULTIMATE.start_main_~i~4 186), 180849#(<= ULTIMATE.start_main_~i~4 187), 180854#(<= ULTIMATE.start_main_~i~4 192), 180855#(<= ULTIMATE.start_main_~i~4 193), 180852#(<= ULTIMATE.start_main_~i~4 190), 180853#(<= ULTIMATE.start_main_~i~4 191), 180858#(<= ULTIMATE.start_main_~i~4 196), 180859#(<= ULTIMATE.start_main_~i~4 197), 180856#(<= ULTIMATE.start_main_~i~4 194), 180857#(<= ULTIMATE.start_main_~i~4 195), 180662#(<= ULTIMATE.start_main_~i~4 0), 180663#(<= ULTIMATE.start_main_~i~4 1), 180660#true, 180661#false, 180666#(<= ULTIMATE.start_main_~i~4 4), 180667#(<= ULTIMATE.start_main_~i~4 5), 180664#(<= ULTIMATE.start_main_~i~4 2), 180665#(<= ULTIMATE.start_main_~i~4 3), 180670#(<= ULTIMATE.start_main_~i~4 8), 180671#(<= ULTIMATE.start_main_~i~4 9), 180668#(<= ULTIMATE.start_main_~i~4 6), 180669#(<= ULTIMATE.start_main_~i~4 7), 180674#(<= ULTIMATE.start_main_~i~4 12), 180675#(<= ULTIMATE.start_main_~i~4 13), 180672#(<= ULTIMATE.start_main_~i~4 10), 180673#(<= ULTIMATE.start_main_~i~4 11), 180678#(<= ULTIMATE.start_main_~i~4 16), 180679#(<= ULTIMATE.start_main_~i~4 17), 180676#(<= ULTIMATE.start_main_~i~4 14), 180677#(<= ULTIMATE.start_main_~i~4 15), 180682#(<= ULTIMATE.start_main_~i~4 20), 180683#(<= ULTIMATE.start_main_~i~4 21), 180680#(<= ULTIMATE.start_main_~i~4 18), 180681#(<= ULTIMATE.start_main_~i~4 19), 180686#(<= ULTIMATE.start_main_~i~4 24), 180687#(<= ULTIMATE.start_main_~i~4 25), 180684#(<= ULTIMATE.start_main_~i~4 22), 180685#(<= ULTIMATE.start_main_~i~4 23), 180690#(<= ULTIMATE.start_main_~i~4 28), 180691#(<= ULTIMATE.start_main_~i~4 29), 180688#(<= ULTIMATE.start_main_~i~4 26), 180689#(<= ULTIMATE.start_main_~i~4 27), 180694#(<= ULTIMATE.start_main_~i~4 32), 180695#(<= ULTIMATE.start_main_~i~4 33), 180692#(<= ULTIMATE.start_main_~i~4 30), 180693#(<= ULTIMATE.start_main_~i~4 31), 180698#(<= ULTIMATE.start_main_~i~4 36), 180699#(<= ULTIMATE.start_main_~i~4 37), 180696#(<= ULTIMATE.start_main_~i~4 34), 180697#(<= ULTIMATE.start_main_~i~4 35), 180702#(<= ULTIMATE.start_main_~i~4 40), 180703#(<= ULTIMATE.start_main_~i~4 41), 180700#(<= ULTIMATE.start_main_~i~4 38), 180701#(<= ULTIMATE.start_main_~i~4 39), 180706#(<= ULTIMATE.start_main_~i~4 44), 180707#(<= ULTIMATE.start_main_~i~4 45), 180704#(<= ULTIMATE.start_main_~i~4 42), 180705#(<= ULTIMATE.start_main_~i~4 43), 180710#(<= ULTIMATE.start_main_~i~4 48), 180711#(<= ULTIMATE.start_main_~i~4 49), 180708#(<= ULTIMATE.start_main_~i~4 46), 180709#(<= ULTIMATE.start_main_~i~4 47), 180714#(<= ULTIMATE.start_main_~i~4 52), 180715#(<= ULTIMATE.start_main_~i~4 53), 180712#(<= ULTIMATE.start_main_~i~4 50), 180713#(<= ULTIMATE.start_main_~i~4 51), 180718#(<= ULTIMATE.start_main_~i~4 56), 180719#(<= ULTIMATE.start_main_~i~4 57), 180716#(<= ULTIMATE.start_main_~i~4 54), 180717#(<= ULTIMATE.start_main_~i~4 55), 180722#(<= ULTIMATE.start_main_~i~4 60), 180723#(<= ULTIMATE.start_main_~i~4 61), 180720#(<= ULTIMATE.start_main_~i~4 58), 180721#(<= ULTIMATE.start_main_~i~4 59), 180726#(<= ULTIMATE.start_main_~i~4 64), 180727#(<= ULTIMATE.start_main_~i~4 65), 180724#(<= ULTIMATE.start_main_~i~4 62), 180725#(<= ULTIMATE.start_main_~i~4 63), 180730#(<= ULTIMATE.start_main_~i~4 68), 180731#(<= ULTIMATE.start_main_~i~4 69), 180728#(<= ULTIMATE.start_main_~i~4 66), 180729#(<= ULTIMATE.start_main_~i~4 67), 180734#(<= ULTIMATE.start_main_~i~4 72), 180735#(<= ULTIMATE.start_main_~i~4 73), 180732#(<= ULTIMATE.start_main_~i~4 70), 180733#(<= ULTIMATE.start_main_~i~4 71)] [2018-07-23 13:45:42,012 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 13:45:42,012 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:45:42,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:45:42,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:45:42,017 INFO L87 Difference]: Start difference. First operand 399 states and 399 transitions. Second operand 200 states. [2018-07-23 13:45:43,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:43,041 INFO L93 Difference]: Finished difference Result 403 states and 403 transitions. [2018-07-23 13:45:43,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:45:43,041 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 398 [2018-07-23 13:45:43,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:43,042 INFO L225 Difference]: With dead ends: 403 [2018-07-23 13:45:43,042 INFO L226 Difference]: Without dead ends: 401 [2018-07-23 13:45:43,044 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 13:45:43,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-07-23 13:45:43,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-07-23 13:45:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-07-23 13:45:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 401 transitions. [2018-07-23 13:45:43,049 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 401 transitions. Word has length 398 [2018-07-23 13:45:43,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:43,049 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 401 transitions. [2018-07-23 13:45:43,049 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:45:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 401 transitions. [2018-07-23 13:45:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-07-23 13:45:43,050 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:43,050 INFO L357 BasicCegarLoop]: trace histogram [199, 198, 1, 1, 1] [2018-07-23 13:45:43,050 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:43,050 INFO L82 PathProgramCache]: Analyzing trace with hash -966919133, now seen corresponding path program 198 times [2018-07-23 13:45:43,051 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:44,283 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 13:45:44,283 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:44,283 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:45:44,283 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,284 INFO L185 omatonBuilderFactory]: Interpolants [182470#(<= ULTIMATE.start_main_~i~4 0), 182471#(<= ULTIMATE.start_main_~i~4 1), 182468#true, 182469#false, 182474#(<= ULTIMATE.start_main_~i~4 4), 182475#(<= ULTIMATE.start_main_~i~4 5), 182472#(<= ULTIMATE.start_main_~i~4 2), 182473#(<= ULTIMATE.start_main_~i~4 3), 182478#(<= ULTIMATE.start_main_~i~4 8), 182479#(<= ULTIMATE.start_main_~i~4 9), 182476#(<= ULTIMATE.start_main_~i~4 6), 182477#(<= ULTIMATE.start_main_~i~4 7), 182482#(<= ULTIMATE.start_main_~i~4 12), 182483#(<= ULTIMATE.start_main_~i~4 13), 182480#(<= ULTIMATE.start_main_~i~4 10), 182481#(<= ULTIMATE.start_main_~i~4 11), 182486#(<= ULTIMATE.start_main_~i~4 16), 182487#(<= ULTIMATE.start_main_~i~4 17), 182484#(<= ULTIMATE.start_main_~i~4 14), 182485#(<= ULTIMATE.start_main_~i~4 15), 182490#(<= ULTIMATE.start_main_~i~4 20), 182491#(<= ULTIMATE.start_main_~i~4 21), 182488#(<= ULTIMATE.start_main_~i~4 18), 182489#(<= ULTIMATE.start_main_~i~4 19), 182494#(<= ULTIMATE.start_main_~i~4 24), 182495#(<= ULTIMATE.start_main_~i~4 25), 182492#(<= ULTIMATE.start_main_~i~4 22), 182493#(<= ULTIMATE.start_main_~i~4 23), 182498#(<= ULTIMATE.start_main_~i~4 28), 182499#(<= ULTIMATE.start_main_~i~4 29), 182496#(<= ULTIMATE.start_main_~i~4 26), 182497#(<= ULTIMATE.start_main_~i~4 27), 182502#(<= ULTIMATE.start_main_~i~4 32), 182503#(<= ULTIMATE.start_main_~i~4 33), 182500#(<= ULTIMATE.start_main_~i~4 30), 182501#(<= ULTIMATE.start_main_~i~4 31), 182506#(<= ULTIMATE.start_main_~i~4 36), 182507#(<= ULTIMATE.start_main_~i~4 37), 182504#(<= ULTIMATE.start_main_~i~4 34), 182505#(<= ULTIMATE.start_main_~i~4 35), 182510#(<= ULTIMATE.start_main_~i~4 40), 182511#(<= ULTIMATE.start_main_~i~4 41), 182508#(<= ULTIMATE.start_main_~i~4 38), 182509#(<= ULTIMATE.start_main_~i~4 39), 182514#(<= ULTIMATE.start_main_~i~4 44), 182515#(<= ULTIMATE.start_main_~i~4 45), 182512#(<= ULTIMATE.start_main_~i~4 42), 182513#(<= ULTIMATE.start_main_~i~4 43), 182518#(<= ULTIMATE.start_main_~i~4 48), 182519#(<= ULTIMATE.start_main_~i~4 49), 182516#(<= ULTIMATE.start_main_~i~4 46), 182517#(<= ULTIMATE.start_main_~i~4 47), 182522#(<= ULTIMATE.start_main_~i~4 52), 182523#(<= ULTIMATE.start_main_~i~4 53), 182520#(<= ULTIMATE.start_main_~i~4 50), 182521#(<= ULTIMATE.start_main_~i~4 51), 182526#(<= ULTIMATE.start_main_~i~4 56), 182527#(<= ULTIMATE.start_main_~i~4 57), 182524#(<= ULTIMATE.start_main_~i~4 54), 182525#(<= ULTIMATE.start_main_~i~4 55), 182530#(<= ULTIMATE.start_main_~i~4 60), 182531#(<= ULTIMATE.start_main_~i~4 61), 182528#(<= ULTIMATE.start_main_~i~4 58), 182529#(<= ULTIMATE.start_main_~i~4 59), 182534#(<= ULTIMATE.start_main_~i~4 64), 182535#(<= ULTIMATE.start_main_~i~4 65), 182532#(<= ULTIMATE.start_main_~i~4 62), 182533#(<= ULTIMATE.start_main_~i~4 63), 182538#(<= ULTIMATE.start_main_~i~4 68), 182539#(<= ULTIMATE.start_main_~i~4 69), 182536#(<= ULTIMATE.start_main_~i~4 66), 182537#(<= ULTIMATE.start_main_~i~4 67), 182542#(<= ULTIMATE.start_main_~i~4 72), 182543#(<= ULTIMATE.start_main_~i~4 73), 182540#(<= ULTIMATE.start_main_~i~4 70), 182541#(<= ULTIMATE.start_main_~i~4 71), 182546#(<= ULTIMATE.start_main_~i~4 76), 182547#(<= ULTIMATE.start_main_~i~4 77), 182544#(<= ULTIMATE.start_main_~i~4 74), 182545#(<= ULTIMATE.start_main_~i~4 75), 182550#(<= ULTIMATE.start_main_~i~4 80), 182551#(<= ULTIMATE.start_main_~i~4 81), 182548#(<= ULTIMATE.start_main_~i~4 78), 182549#(<= ULTIMATE.start_main_~i~4 79), 182554#(<= ULTIMATE.start_main_~i~4 84), 182555#(<= ULTIMATE.start_main_~i~4 85), 182552#(<= ULTIMATE.start_main_~i~4 82), 182553#(<= ULTIMATE.start_main_~i~4 83), 182558#(<= ULTIMATE.start_main_~i~4 88), 182559#(<= ULTIMATE.start_main_~i~4 89), 182556#(<= ULTIMATE.start_main_~i~4 86), 182557#(<= ULTIMATE.start_main_~i~4 87), 182562#(<= ULTIMATE.start_main_~i~4 92), 182563#(<= ULTIMATE.start_main_~i~4 93), 182560#(<= ULTIMATE.start_main_~i~4 90), 182561#(<= ULTIMATE.start_main_~i~4 91), 182566#(<= ULTIMATE.start_main_~i~4 96), 182567#(<= ULTIMATE.start_main_~i~4 97), 182564#(<= ULTIMATE.start_main_~i~4 94), 182565#(<= ULTIMATE.start_main_~i~4 95), 182570#(<= ULTIMATE.start_main_~i~4 100), 182571#(<= ULTIMATE.start_main_~i~4 101), 182568#(<= ULTIMATE.start_main_~i~4 98), 182569#(<= ULTIMATE.start_main_~i~4 99), 182574#(<= ULTIMATE.start_main_~i~4 104), 182575#(<= ULTIMATE.start_main_~i~4 105), 182572#(<= ULTIMATE.start_main_~i~4 102), 182573#(<= ULTIMATE.start_main_~i~4 103), 182578#(<= ULTIMATE.start_main_~i~4 108), 182579#(<= ULTIMATE.start_main_~i~4 109), 182576#(<= ULTIMATE.start_main_~i~4 106), 182577#(<= ULTIMATE.start_main_~i~4 107), 182582#(<= ULTIMATE.start_main_~i~4 112), 182583#(<= ULTIMATE.start_main_~i~4 113), 182580#(<= ULTIMATE.start_main_~i~4 110), 182581#(<= ULTIMATE.start_main_~i~4 111), 182586#(<= ULTIMATE.start_main_~i~4 116), 182587#(<= ULTIMATE.start_main_~i~4 117), 182584#(<= ULTIMATE.start_main_~i~4 114), 182585#(<= ULTIMATE.start_main_~i~4 115), 182590#(<= ULTIMATE.start_main_~i~4 120), 182591#(<= ULTIMATE.start_main_~i~4 121), 182588#(<= ULTIMATE.start_main_~i~4 118), 182589#(<= ULTIMATE.start_main_~i~4 119), 182594#(<= ULTIMATE.start_main_~i~4 124), 182595#(<= ULTIMATE.start_main_~i~4 125), 182592#(<= ULTIMATE.start_main_~i~4 122), 182593#(<= ULTIMATE.start_main_~i~4 123), 182598#(<= ULTIMATE.start_main_~i~4 128), 182599#(<= ULTIMATE.start_main_~i~4 129), 182596#(<= ULTIMATE.start_main_~i~4 126), 182597#(<= ULTIMATE.start_main_~i~4 127), 182602#(<= ULTIMATE.start_main_~i~4 132), 182603#(<= ULTIMATE.start_main_~i~4 133), 182600#(<= ULTIMATE.start_main_~i~4 130), 182601#(<= ULTIMATE.start_main_~i~4 131), 182606#(<= ULTIMATE.start_main_~i~4 136), 182607#(<= ULTIMATE.start_main_~i~4 137), 182604#(<= ULTIMATE.start_main_~i~4 134), 182605#(<= ULTIMATE.start_main_~i~4 135), 182610#(<= ULTIMATE.start_main_~i~4 140), 182611#(<= ULTIMATE.start_main_~i~4 141), 182608#(<= ULTIMATE.start_main_~i~4 138), 182609#(<= ULTIMATE.start_main_~i~4 139), 182614#(<= ULTIMATE.start_main_~i~4 144), 182615#(<= ULTIMATE.start_main_~i~4 145), 182612#(<= ULTIMATE.start_main_~i~4 142), 182613#(<= ULTIMATE.start_main_~i~4 143), 182618#(<= ULTIMATE.start_main_~i~4 148), 182619#(<= ULTIMATE.start_main_~i~4 149), 182616#(<= ULTIMATE.start_main_~i~4 146), 182617#(<= ULTIMATE.start_main_~i~4 147), 182622#(<= ULTIMATE.start_main_~i~4 152), 182623#(<= ULTIMATE.start_main_~i~4 153), 182620#(<= ULTIMATE.start_main_~i~4 150), 182621#(<= ULTIMATE.start_main_~i~4 151), 182626#(<= ULTIMATE.start_main_~i~4 156), 182627#(<= ULTIMATE.start_main_~i~4 157), 182624#(<= ULTIMATE.start_main_~i~4 154), 182625#(<= ULTIMATE.start_main_~i~4 155), 182630#(<= ULTIMATE.start_main_~i~4 160), 182631#(<= ULTIMATE.start_main_~i~4 161), 182628#(<= ULTIMATE.start_main_~i~4 158), 182629#(<= ULTIMATE.start_main_~i~4 159), 182634#(<= ULTIMATE.start_main_~i~4 164), 182635#(<= ULTIMATE.start_main_~i~4 165), 182632#(<= ULTIMATE.start_main_~i~4 162), 182633#(<= ULTIMATE.start_main_~i~4 163), 182638#(<= ULTIMATE.start_main_~i~4 168), 182639#(<= ULTIMATE.start_main_~i~4 169), 182636#(<= ULTIMATE.start_main_~i~4 166), 182637#(<= ULTIMATE.start_main_~i~4 167), 182642#(<= ULTIMATE.start_main_~i~4 172), 182643#(<= ULTIMATE.start_main_~i~4 173), 182640#(<= ULTIMATE.start_main_~i~4 170), 182641#(<= ULTIMATE.start_main_~i~4 171), 182646#(<= ULTIMATE.start_main_~i~4 176), 182647#(<= ULTIMATE.start_main_~i~4 177), 182644#(<= ULTIMATE.start_main_~i~4 174), 182645#(<= ULTIMATE.start_main_~i~4 175), 182650#(<= ULTIMATE.start_main_~i~4 180), 182651#(<= ULTIMATE.start_main_~i~4 181), 182648#(<= ULTIMATE.start_main_~i~4 178), 182649#(<= ULTIMATE.start_main_~i~4 179), 182654#(<= ULTIMATE.start_main_~i~4 184), 182655#(<= ULTIMATE.start_main_~i~4 185), 182652#(<= ULTIMATE.start_main_~i~4 182), 182653#(<= ULTIMATE.start_main_~i~4 183), 182658#(<= ULTIMATE.start_main_~i~4 188), 182659#(<= ULTIMATE.start_main_~i~4 189), 182656#(<= ULTIMATE.start_main_~i~4 186), 182657#(<= ULTIMATE.start_main_~i~4 187), 182662#(<= ULTIMATE.start_main_~i~4 192), 182663#(<= ULTIMATE.start_main_~i~4 193), 182660#(<= ULTIMATE.start_main_~i~4 190), 182661#(<= ULTIMATE.start_main_~i~4 191), 182666#(<= ULTIMATE.start_main_~i~4 196), 182667#(<= ULTIMATE.start_main_~i~4 197), 182664#(<= ULTIMATE.start_main_~i~4 194), 182665#(<= ULTIMATE.start_main_~i~4 195), 182668#(<= ULTIMATE.start_main_~i~4 198)] [2018-07-23 13:45:44,286 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 13:45:44,286 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:45:44,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:45:44,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:45:44,293 INFO L87 Difference]: Start difference. First operand 401 states and 401 transitions. Second operand 201 states. [2018-07-23 13:45:45,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:45,605 INFO L93 Difference]: Finished difference Result 405 states and 405 transitions. [2018-07-23 13:45:45,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:45:45,605 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 400 [2018-07-23 13:45:45,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:45,605 INFO L225 Difference]: With dead ends: 405 [2018-07-23 13:45:45,606 INFO L226 Difference]: Without dead ends: 403 [2018-07-23 13:45:45,608 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:45:45,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-07-23 13:45:45,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-07-23 13:45:45,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-07-23 13:45:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 403 transitions. [2018-07-23 13:45:45,612 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 403 transitions. Word has length 400 [2018-07-23 13:45:45,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:45,612 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 403 transitions. [2018-07-23 13:45:45,612 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:45:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 403 transitions. [2018-07-23 13:45:45,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-23 13:45:45,613 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:45,613 INFO L357 BasicCegarLoop]: trace histogram [200, 199, 1, 1, 1] [2018-07-23 13:45:45,614 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:45,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1496298787, now seen corresponding path program 199 times [2018-07-23 13:45:45,614 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:46,788 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 13:45:46,789 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:46,789 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:45:46,789 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,790 INFO L185 omatonBuilderFactory]: Interpolants [184322#(<= ULTIMATE.start_main_~i~4 35), 184323#(<= ULTIMATE.start_main_~i~4 36), 184320#(<= ULTIMATE.start_main_~i~4 33), 184321#(<= ULTIMATE.start_main_~i~4 34), 184326#(<= ULTIMATE.start_main_~i~4 39), 184327#(<= ULTIMATE.start_main_~i~4 40), 184324#(<= ULTIMATE.start_main_~i~4 37), 184325#(<= ULTIMATE.start_main_~i~4 38), 184330#(<= ULTIMATE.start_main_~i~4 43), 184331#(<= ULTIMATE.start_main_~i~4 44), 184328#(<= ULTIMATE.start_main_~i~4 41), 184329#(<= ULTIMATE.start_main_~i~4 42), 184334#(<= ULTIMATE.start_main_~i~4 47), 184335#(<= ULTIMATE.start_main_~i~4 48), 184332#(<= ULTIMATE.start_main_~i~4 45), 184333#(<= ULTIMATE.start_main_~i~4 46), 184338#(<= ULTIMATE.start_main_~i~4 51), 184339#(<= ULTIMATE.start_main_~i~4 52), 184336#(<= ULTIMATE.start_main_~i~4 49), 184337#(<= ULTIMATE.start_main_~i~4 50), 184342#(<= ULTIMATE.start_main_~i~4 55), 184343#(<= ULTIMATE.start_main_~i~4 56), 184340#(<= ULTIMATE.start_main_~i~4 53), 184341#(<= ULTIMATE.start_main_~i~4 54), 184346#(<= ULTIMATE.start_main_~i~4 59), 184347#(<= ULTIMATE.start_main_~i~4 60), 184344#(<= ULTIMATE.start_main_~i~4 57), 184345#(<= ULTIMATE.start_main_~i~4 58), 184350#(<= ULTIMATE.start_main_~i~4 63), 184351#(<= ULTIMATE.start_main_~i~4 64), 184348#(<= ULTIMATE.start_main_~i~4 61), 184349#(<= ULTIMATE.start_main_~i~4 62), 184354#(<= ULTIMATE.start_main_~i~4 67), 184355#(<= ULTIMATE.start_main_~i~4 68), 184352#(<= ULTIMATE.start_main_~i~4 65), 184353#(<= ULTIMATE.start_main_~i~4 66), 184358#(<= ULTIMATE.start_main_~i~4 71), 184359#(<= ULTIMATE.start_main_~i~4 72), 184356#(<= ULTIMATE.start_main_~i~4 69), 184357#(<= ULTIMATE.start_main_~i~4 70), 184362#(<= ULTIMATE.start_main_~i~4 75), 184363#(<= ULTIMATE.start_main_~i~4 76), 184360#(<= ULTIMATE.start_main_~i~4 73), 184361#(<= ULTIMATE.start_main_~i~4 74), 184366#(<= ULTIMATE.start_main_~i~4 79), 184367#(<= ULTIMATE.start_main_~i~4 80), 184364#(<= ULTIMATE.start_main_~i~4 77), 184365#(<= ULTIMATE.start_main_~i~4 78), 184370#(<= ULTIMATE.start_main_~i~4 83), 184371#(<= ULTIMATE.start_main_~i~4 84), 184368#(<= ULTIMATE.start_main_~i~4 81), 184369#(<= ULTIMATE.start_main_~i~4 82), 184374#(<= ULTIMATE.start_main_~i~4 87), 184375#(<= ULTIMATE.start_main_~i~4 88), 184372#(<= ULTIMATE.start_main_~i~4 85), 184373#(<= ULTIMATE.start_main_~i~4 86), 184378#(<= ULTIMATE.start_main_~i~4 91), 184379#(<= ULTIMATE.start_main_~i~4 92), 184376#(<= ULTIMATE.start_main_~i~4 89), 184377#(<= ULTIMATE.start_main_~i~4 90), 184382#(<= ULTIMATE.start_main_~i~4 95), 184383#(<= ULTIMATE.start_main_~i~4 96), 184380#(<= ULTIMATE.start_main_~i~4 93), 184381#(<= ULTIMATE.start_main_~i~4 94), 184386#(<= ULTIMATE.start_main_~i~4 99), 184387#(<= ULTIMATE.start_main_~i~4 100), 184384#(<= ULTIMATE.start_main_~i~4 97), 184385#(<= ULTIMATE.start_main_~i~4 98), 184390#(<= ULTIMATE.start_main_~i~4 103), 184391#(<= ULTIMATE.start_main_~i~4 104), 184388#(<= ULTIMATE.start_main_~i~4 101), 184389#(<= ULTIMATE.start_main_~i~4 102), 184394#(<= ULTIMATE.start_main_~i~4 107), 184395#(<= ULTIMATE.start_main_~i~4 108), 184392#(<= ULTIMATE.start_main_~i~4 105), 184393#(<= ULTIMATE.start_main_~i~4 106), 184398#(<= ULTIMATE.start_main_~i~4 111), 184399#(<= ULTIMATE.start_main_~i~4 112), 184396#(<= ULTIMATE.start_main_~i~4 109), 184397#(<= ULTIMATE.start_main_~i~4 110), 184402#(<= ULTIMATE.start_main_~i~4 115), 184403#(<= ULTIMATE.start_main_~i~4 116), 184400#(<= ULTIMATE.start_main_~i~4 113), 184401#(<= ULTIMATE.start_main_~i~4 114), 184406#(<= ULTIMATE.start_main_~i~4 119), 184407#(<= ULTIMATE.start_main_~i~4 120), 184404#(<= ULTIMATE.start_main_~i~4 117), 184405#(<= ULTIMATE.start_main_~i~4 118), 184410#(<= ULTIMATE.start_main_~i~4 123), 184411#(<= ULTIMATE.start_main_~i~4 124), 184408#(<= ULTIMATE.start_main_~i~4 121), 184409#(<= ULTIMATE.start_main_~i~4 122), 184414#(<= ULTIMATE.start_main_~i~4 127), 184415#(<= ULTIMATE.start_main_~i~4 128), 184412#(<= ULTIMATE.start_main_~i~4 125), 184413#(<= ULTIMATE.start_main_~i~4 126), 184418#(<= ULTIMATE.start_main_~i~4 131), 184419#(<= ULTIMATE.start_main_~i~4 132), 184416#(<= ULTIMATE.start_main_~i~4 129), 184417#(<= ULTIMATE.start_main_~i~4 130), 184422#(<= ULTIMATE.start_main_~i~4 135), 184423#(<= ULTIMATE.start_main_~i~4 136), 184420#(<= ULTIMATE.start_main_~i~4 133), 184421#(<= ULTIMATE.start_main_~i~4 134), 184426#(<= ULTIMATE.start_main_~i~4 139), 184427#(<= ULTIMATE.start_main_~i~4 140), 184424#(<= ULTIMATE.start_main_~i~4 137), 184425#(<= ULTIMATE.start_main_~i~4 138), 184430#(<= ULTIMATE.start_main_~i~4 143), 184431#(<= ULTIMATE.start_main_~i~4 144), 184428#(<= ULTIMATE.start_main_~i~4 141), 184429#(<= ULTIMATE.start_main_~i~4 142), 184434#(<= ULTIMATE.start_main_~i~4 147), 184435#(<= ULTIMATE.start_main_~i~4 148), 184432#(<= ULTIMATE.start_main_~i~4 145), 184433#(<= ULTIMATE.start_main_~i~4 146), 184438#(<= ULTIMATE.start_main_~i~4 151), 184439#(<= ULTIMATE.start_main_~i~4 152), 184436#(<= ULTIMATE.start_main_~i~4 149), 184437#(<= ULTIMATE.start_main_~i~4 150), 184442#(<= ULTIMATE.start_main_~i~4 155), 184443#(<= ULTIMATE.start_main_~i~4 156), 184440#(<= ULTIMATE.start_main_~i~4 153), 184441#(<= ULTIMATE.start_main_~i~4 154), 184446#(<= ULTIMATE.start_main_~i~4 159), 184447#(<= ULTIMATE.start_main_~i~4 160), 184444#(<= ULTIMATE.start_main_~i~4 157), 184445#(<= ULTIMATE.start_main_~i~4 158), 184450#(<= ULTIMATE.start_main_~i~4 163), 184451#(<= ULTIMATE.start_main_~i~4 164), 184448#(<= ULTIMATE.start_main_~i~4 161), 184449#(<= ULTIMATE.start_main_~i~4 162), 184454#(<= ULTIMATE.start_main_~i~4 167), 184455#(<= ULTIMATE.start_main_~i~4 168), 184452#(<= ULTIMATE.start_main_~i~4 165), 184453#(<= ULTIMATE.start_main_~i~4 166), 184458#(<= ULTIMATE.start_main_~i~4 171), 184459#(<= ULTIMATE.start_main_~i~4 172), 184456#(<= ULTIMATE.start_main_~i~4 169), 184457#(<= ULTIMATE.start_main_~i~4 170), 184462#(<= ULTIMATE.start_main_~i~4 175), 184463#(<= ULTIMATE.start_main_~i~4 176), 184460#(<= ULTIMATE.start_main_~i~4 173), 184461#(<= ULTIMATE.start_main_~i~4 174), 184466#(<= ULTIMATE.start_main_~i~4 179), 184467#(<= ULTIMATE.start_main_~i~4 180), 184464#(<= ULTIMATE.start_main_~i~4 177), 184465#(<= ULTIMATE.start_main_~i~4 178), 184470#(<= ULTIMATE.start_main_~i~4 183), 184471#(<= ULTIMATE.start_main_~i~4 184), 184468#(<= ULTIMATE.start_main_~i~4 181), 184469#(<= ULTIMATE.start_main_~i~4 182), 184474#(<= ULTIMATE.start_main_~i~4 187), 184475#(<= ULTIMATE.start_main_~i~4 188), 184472#(<= ULTIMATE.start_main_~i~4 185), 184473#(<= ULTIMATE.start_main_~i~4 186), 184478#(<= ULTIMATE.start_main_~i~4 191), 184479#(<= ULTIMATE.start_main_~i~4 192), 184476#(<= ULTIMATE.start_main_~i~4 189), 184477#(<= ULTIMATE.start_main_~i~4 190), 184482#(<= ULTIMATE.start_main_~i~4 195), 184483#(<= ULTIMATE.start_main_~i~4 196), 184480#(<= ULTIMATE.start_main_~i~4 193), 184481#(<= ULTIMATE.start_main_~i~4 194), 184486#(<= ULTIMATE.start_main_~i~4 199), 184484#(<= ULTIMATE.start_main_~i~4 197), 184485#(<= ULTIMATE.start_main_~i~4 198), 184286#false, 184287#(<= ULTIMATE.start_main_~i~4 0), 184285#true, 184290#(<= ULTIMATE.start_main_~i~4 3), 184291#(<= ULTIMATE.start_main_~i~4 4), 184288#(<= ULTIMATE.start_main_~i~4 1), 184289#(<= ULTIMATE.start_main_~i~4 2), 184294#(<= ULTIMATE.start_main_~i~4 7), 184295#(<= ULTIMATE.start_main_~i~4 8), 184292#(<= ULTIMATE.start_main_~i~4 5), 184293#(<= ULTIMATE.start_main_~i~4 6), 184298#(<= ULTIMATE.start_main_~i~4 11), 184299#(<= ULTIMATE.start_main_~i~4 12), 184296#(<= ULTIMATE.start_main_~i~4 9), 184297#(<= ULTIMATE.start_main_~i~4 10), 184302#(<= ULTIMATE.start_main_~i~4 15), 184303#(<= ULTIMATE.start_main_~i~4 16), 184300#(<= ULTIMATE.start_main_~i~4 13), 184301#(<= ULTIMATE.start_main_~i~4 14), 184306#(<= ULTIMATE.start_main_~i~4 19), 184307#(<= ULTIMATE.start_main_~i~4 20), 184304#(<= ULTIMATE.start_main_~i~4 17), 184305#(<= ULTIMATE.start_main_~i~4 18), 184310#(<= ULTIMATE.start_main_~i~4 23), 184311#(<= ULTIMATE.start_main_~i~4 24), 184308#(<= ULTIMATE.start_main_~i~4 21), 184309#(<= ULTIMATE.start_main_~i~4 22), 184314#(<= ULTIMATE.start_main_~i~4 27), 184315#(<= ULTIMATE.start_main_~i~4 28), 184312#(<= ULTIMATE.start_main_~i~4 25), 184313#(<= ULTIMATE.start_main_~i~4 26), 184318#(<= ULTIMATE.start_main_~i~4 31), 184319#(<= ULTIMATE.start_main_~i~4 32), 184316#(<= ULTIMATE.start_main_~i~4 29), 184317#(<= ULTIMATE.start_main_~i~4 30)] [2018-07-23 13:45:46,792 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 13:45:46,792 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:45:46,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:45:46,798 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:45:46,798 INFO L87 Difference]: Start difference. First operand 403 states and 403 transitions. Second operand 202 states. [2018-07-23 13:45:48,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:48,885 INFO L93 Difference]: Finished difference Result 407 states and 407 transitions. [2018-07-23 13:45:48,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:45:48,886 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 402 [2018-07-23 13:45:48,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:48,886 INFO L225 Difference]: With dead ends: 407 [2018-07-23 13:45:48,886 INFO L226 Difference]: Without dead ends: 405 [2018-07-23 13:45:48,890 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:45:48,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-07-23 13:45:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2018-07-23 13:45:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-07-23 13:45:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 405 transitions. [2018-07-23 13:45:48,895 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 405 transitions. Word has length 402 [2018-07-23 13:45:48,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:48,895 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 405 transitions. [2018-07-23 13:45:48,895 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:45:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 405 transitions. [2018-07-23 13:45:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-07-23 13:45:48,897 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:48,897 INFO L357 BasicCegarLoop]: trace histogram [201, 200, 1, 1, 1] [2018-07-23 13:45:48,897 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:48,897 INFO L82 PathProgramCache]: Analyzing trace with hash 870961943, now seen corresponding path program 200 times [2018-07-23 13:45:48,897 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:50,199 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 13:45:50,199 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:50,199 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:45:50,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:50,200 INFO L185 omatonBuilderFactory]: Interpolants [186111#true, 186114#(<= ULTIMATE.start_main_~i~4 1), 186115#(<= ULTIMATE.start_main_~i~4 2), 186112#false, 186113#(<= ULTIMATE.start_main_~i~4 0), 186118#(<= ULTIMATE.start_main_~i~4 5), 186119#(<= ULTIMATE.start_main_~i~4 6), 186116#(<= ULTIMATE.start_main_~i~4 3), 186117#(<= ULTIMATE.start_main_~i~4 4), 186122#(<= ULTIMATE.start_main_~i~4 9), 186123#(<= ULTIMATE.start_main_~i~4 10), 186120#(<= ULTIMATE.start_main_~i~4 7), 186121#(<= ULTIMATE.start_main_~i~4 8), 186126#(<= ULTIMATE.start_main_~i~4 13), 186127#(<= ULTIMATE.start_main_~i~4 14), 186124#(<= ULTIMATE.start_main_~i~4 11), 186125#(<= ULTIMATE.start_main_~i~4 12), 186130#(<= ULTIMATE.start_main_~i~4 17), 186131#(<= ULTIMATE.start_main_~i~4 18), 186128#(<= ULTIMATE.start_main_~i~4 15), 186129#(<= ULTIMATE.start_main_~i~4 16), 186134#(<= ULTIMATE.start_main_~i~4 21), 186135#(<= ULTIMATE.start_main_~i~4 22), 186132#(<= ULTIMATE.start_main_~i~4 19), 186133#(<= ULTIMATE.start_main_~i~4 20), 186138#(<= ULTIMATE.start_main_~i~4 25), 186139#(<= ULTIMATE.start_main_~i~4 26), 186136#(<= ULTIMATE.start_main_~i~4 23), 186137#(<= ULTIMATE.start_main_~i~4 24), 186142#(<= ULTIMATE.start_main_~i~4 29), 186143#(<= ULTIMATE.start_main_~i~4 30), 186140#(<= ULTIMATE.start_main_~i~4 27), 186141#(<= ULTIMATE.start_main_~i~4 28), 186146#(<= ULTIMATE.start_main_~i~4 33), 186147#(<= ULTIMATE.start_main_~i~4 34), 186144#(<= ULTIMATE.start_main_~i~4 31), 186145#(<= ULTIMATE.start_main_~i~4 32), 186150#(<= ULTIMATE.start_main_~i~4 37), 186151#(<= ULTIMATE.start_main_~i~4 38), 186148#(<= ULTIMATE.start_main_~i~4 35), 186149#(<= ULTIMATE.start_main_~i~4 36), 186154#(<= ULTIMATE.start_main_~i~4 41), 186155#(<= ULTIMATE.start_main_~i~4 42), 186152#(<= ULTIMATE.start_main_~i~4 39), 186153#(<= ULTIMATE.start_main_~i~4 40), 186158#(<= ULTIMATE.start_main_~i~4 45), 186159#(<= ULTIMATE.start_main_~i~4 46), 186156#(<= ULTIMATE.start_main_~i~4 43), 186157#(<= ULTIMATE.start_main_~i~4 44), 186162#(<= ULTIMATE.start_main_~i~4 49), 186163#(<= ULTIMATE.start_main_~i~4 50), 186160#(<= ULTIMATE.start_main_~i~4 47), 186161#(<= ULTIMATE.start_main_~i~4 48), 186166#(<= ULTIMATE.start_main_~i~4 53), 186167#(<= ULTIMATE.start_main_~i~4 54), 186164#(<= ULTIMATE.start_main_~i~4 51), 186165#(<= ULTIMATE.start_main_~i~4 52), 186170#(<= ULTIMATE.start_main_~i~4 57), 186171#(<= ULTIMATE.start_main_~i~4 58), 186168#(<= ULTIMATE.start_main_~i~4 55), 186169#(<= ULTIMATE.start_main_~i~4 56), 186174#(<= ULTIMATE.start_main_~i~4 61), 186175#(<= ULTIMATE.start_main_~i~4 62), 186172#(<= ULTIMATE.start_main_~i~4 59), 186173#(<= ULTIMATE.start_main_~i~4 60), 186178#(<= ULTIMATE.start_main_~i~4 65), 186179#(<= ULTIMATE.start_main_~i~4 66), 186176#(<= ULTIMATE.start_main_~i~4 63), 186177#(<= ULTIMATE.start_main_~i~4 64), 186182#(<= ULTIMATE.start_main_~i~4 69), 186183#(<= ULTIMATE.start_main_~i~4 70), 186180#(<= ULTIMATE.start_main_~i~4 67), 186181#(<= ULTIMATE.start_main_~i~4 68), 186186#(<= ULTIMATE.start_main_~i~4 73), 186187#(<= ULTIMATE.start_main_~i~4 74), 186184#(<= ULTIMATE.start_main_~i~4 71), 186185#(<= ULTIMATE.start_main_~i~4 72), 186190#(<= ULTIMATE.start_main_~i~4 77), 186191#(<= ULTIMATE.start_main_~i~4 78), 186188#(<= ULTIMATE.start_main_~i~4 75), 186189#(<= ULTIMATE.start_main_~i~4 76), 186194#(<= ULTIMATE.start_main_~i~4 81), 186195#(<= ULTIMATE.start_main_~i~4 82), 186192#(<= ULTIMATE.start_main_~i~4 79), 186193#(<= ULTIMATE.start_main_~i~4 80), 186198#(<= ULTIMATE.start_main_~i~4 85), 186199#(<= ULTIMATE.start_main_~i~4 86), 186196#(<= ULTIMATE.start_main_~i~4 83), 186197#(<= ULTIMATE.start_main_~i~4 84), 186202#(<= ULTIMATE.start_main_~i~4 89), 186203#(<= ULTIMATE.start_main_~i~4 90), 186200#(<= ULTIMATE.start_main_~i~4 87), 186201#(<= ULTIMATE.start_main_~i~4 88), 186206#(<= ULTIMATE.start_main_~i~4 93), 186207#(<= ULTIMATE.start_main_~i~4 94), 186204#(<= ULTIMATE.start_main_~i~4 91), 186205#(<= ULTIMATE.start_main_~i~4 92), 186210#(<= ULTIMATE.start_main_~i~4 97), 186211#(<= ULTIMATE.start_main_~i~4 98), 186208#(<= ULTIMATE.start_main_~i~4 95), 186209#(<= ULTIMATE.start_main_~i~4 96), 186214#(<= ULTIMATE.start_main_~i~4 101), 186215#(<= ULTIMATE.start_main_~i~4 102), 186212#(<= ULTIMATE.start_main_~i~4 99), 186213#(<= ULTIMATE.start_main_~i~4 100), 186218#(<= ULTIMATE.start_main_~i~4 105), 186219#(<= ULTIMATE.start_main_~i~4 106), 186216#(<= ULTIMATE.start_main_~i~4 103), 186217#(<= ULTIMATE.start_main_~i~4 104), 186222#(<= ULTIMATE.start_main_~i~4 109), 186223#(<= ULTIMATE.start_main_~i~4 110), 186220#(<= ULTIMATE.start_main_~i~4 107), 186221#(<= ULTIMATE.start_main_~i~4 108), 186226#(<= ULTIMATE.start_main_~i~4 113), 186227#(<= ULTIMATE.start_main_~i~4 114), 186224#(<= ULTIMATE.start_main_~i~4 111), 186225#(<= ULTIMATE.start_main_~i~4 112), 186230#(<= ULTIMATE.start_main_~i~4 117), 186231#(<= ULTIMATE.start_main_~i~4 118), 186228#(<= ULTIMATE.start_main_~i~4 115), 186229#(<= ULTIMATE.start_main_~i~4 116), 186234#(<= ULTIMATE.start_main_~i~4 121), 186235#(<= ULTIMATE.start_main_~i~4 122), 186232#(<= ULTIMATE.start_main_~i~4 119), 186233#(<= ULTIMATE.start_main_~i~4 120), 186238#(<= ULTIMATE.start_main_~i~4 125), 186239#(<= ULTIMATE.start_main_~i~4 126), 186236#(<= ULTIMATE.start_main_~i~4 123), 186237#(<= ULTIMATE.start_main_~i~4 124), 186242#(<= ULTIMATE.start_main_~i~4 129), 186243#(<= ULTIMATE.start_main_~i~4 130), 186240#(<= ULTIMATE.start_main_~i~4 127), 186241#(<= ULTIMATE.start_main_~i~4 128), 186246#(<= ULTIMATE.start_main_~i~4 133), 186247#(<= ULTIMATE.start_main_~i~4 134), 186244#(<= ULTIMATE.start_main_~i~4 131), 186245#(<= ULTIMATE.start_main_~i~4 132), 186250#(<= ULTIMATE.start_main_~i~4 137), 186251#(<= ULTIMATE.start_main_~i~4 138), 186248#(<= ULTIMATE.start_main_~i~4 135), 186249#(<= ULTIMATE.start_main_~i~4 136), 186254#(<= ULTIMATE.start_main_~i~4 141), 186255#(<= ULTIMATE.start_main_~i~4 142), 186252#(<= ULTIMATE.start_main_~i~4 139), 186253#(<= ULTIMATE.start_main_~i~4 140), 186258#(<= ULTIMATE.start_main_~i~4 145), 186259#(<= ULTIMATE.start_main_~i~4 146), 186256#(<= ULTIMATE.start_main_~i~4 143), 186257#(<= ULTIMATE.start_main_~i~4 144), 186262#(<= ULTIMATE.start_main_~i~4 149), 186263#(<= ULTIMATE.start_main_~i~4 150), 186260#(<= ULTIMATE.start_main_~i~4 147), 186261#(<= ULTIMATE.start_main_~i~4 148), 186266#(<= ULTIMATE.start_main_~i~4 153), 186267#(<= ULTIMATE.start_main_~i~4 154), 186264#(<= ULTIMATE.start_main_~i~4 151), 186265#(<= ULTIMATE.start_main_~i~4 152), 186270#(<= ULTIMATE.start_main_~i~4 157), 186271#(<= ULTIMATE.start_main_~i~4 158), 186268#(<= ULTIMATE.start_main_~i~4 155), 186269#(<= ULTIMATE.start_main_~i~4 156), 186274#(<= ULTIMATE.start_main_~i~4 161), 186275#(<= ULTIMATE.start_main_~i~4 162), 186272#(<= ULTIMATE.start_main_~i~4 159), 186273#(<= ULTIMATE.start_main_~i~4 160), 186278#(<= ULTIMATE.start_main_~i~4 165), 186279#(<= ULTIMATE.start_main_~i~4 166), 186276#(<= ULTIMATE.start_main_~i~4 163), 186277#(<= ULTIMATE.start_main_~i~4 164), 186282#(<= ULTIMATE.start_main_~i~4 169), 186283#(<= ULTIMATE.start_main_~i~4 170), 186280#(<= ULTIMATE.start_main_~i~4 167), 186281#(<= ULTIMATE.start_main_~i~4 168), 186286#(<= ULTIMATE.start_main_~i~4 173), 186287#(<= ULTIMATE.start_main_~i~4 174), 186284#(<= ULTIMATE.start_main_~i~4 171), 186285#(<= ULTIMATE.start_main_~i~4 172), 186290#(<= ULTIMATE.start_main_~i~4 177), 186291#(<= ULTIMATE.start_main_~i~4 178), 186288#(<= ULTIMATE.start_main_~i~4 175), 186289#(<= ULTIMATE.start_main_~i~4 176), 186294#(<= ULTIMATE.start_main_~i~4 181), 186295#(<= ULTIMATE.start_main_~i~4 182), 186292#(<= ULTIMATE.start_main_~i~4 179), 186293#(<= ULTIMATE.start_main_~i~4 180), 186298#(<= ULTIMATE.start_main_~i~4 185), 186299#(<= ULTIMATE.start_main_~i~4 186), 186296#(<= ULTIMATE.start_main_~i~4 183), 186297#(<= ULTIMATE.start_main_~i~4 184), 186302#(<= ULTIMATE.start_main_~i~4 189), 186303#(<= ULTIMATE.start_main_~i~4 190), 186300#(<= ULTIMATE.start_main_~i~4 187), 186301#(<= ULTIMATE.start_main_~i~4 188), 186306#(<= ULTIMATE.start_main_~i~4 193), 186307#(<= ULTIMATE.start_main_~i~4 194), 186304#(<= ULTIMATE.start_main_~i~4 191), 186305#(<= ULTIMATE.start_main_~i~4 192), 186310#(<= ULTIMATE.start_main_~i~4 197), 186311#(<= ULTIMATE.start_main_~i~4 198), 186308#(<= ULTIMATE.start_main_~i~4 195), 186309#(<= ULTIMATE.start_main_~i~4 196), 186312#(<= ULTIMATE.start_main_~i~4 199), 186313#(<= ULTIMATE.start_main_~i~4 200)] [2018-07-23 13:45:50,203 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 13:45:50,203 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:45:50,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:45:50,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:45:50,214 INFO L87 Difference]: Start difference. First operand 405 states and 405 transitions. Second operand 203 states. [2018-07-23 13:45:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,848 INFO L93 Difference]: Finished difference Result 409 states and 409 transitions. [2018-07-23 13:45:52,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:45:52,848 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 404 [2018-07-23 13:45:52,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,849 INFO L225 Difference]: With dead ends: 409 [2018-07-23 13:45:52,849 INFO L226 Difference]: Without dead ends: 407 [2018-07-23 13:45:52,853 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 13:45:52,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-07-23 13:45:52,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-07-23 13:45:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-07-23 13:45:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 407 transitions. [2018-07-23 13:45:52,857 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 407 transitions. Word has length 404 [2018-07-23 13:45:52,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,858 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 407 transitions. [2018-07-23 13:45:52,858 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:45:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 407 transitions. [2018-07-23 13:45:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-07-23 13:45:52,860 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,860 INFO L357 BasicCegarLoop]: trace histogram [202, 201, 1, 1, 1] [2018-07-23 13:45:52,860 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,860 INFO L82 PathProgramCache]: Analyzing trace with hash -524143407, now seen corresponding path program 201 times [2018-07-23 13:45:52,860 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,190 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 13:45:54,190 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,190 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:45:54,191 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,191 INFO L185 omatonBuilderFactory]: Interpolants [187946#true, 187947#false, 187950#(<= ULTIMATE.start_main_~i~4 2), 187951#(<= ULTIMATE.start_main_~i~4 3), 187948#(<= ULTIMATE.start_main_~i~4 0), 187949#(<= ULTIMATE.start_main_~i~4 1), 187954#(<= ULTIMATE.start_main_~i~4 6), 187955#(<= ULTIMATE.start_main_~i~4 7), 187952#(<= ULTIMATE.start_main_~i~4 4), 187953#(<= ULTIMATE.start_main_~i~4 5), 187958#(<= ULTIMATE.start_main_~i~4 10), 187959#(<= ULTIMATE.start_main_~i~4 11), 187956#(<= ULTIMATE.start_main_~i~4 8), 187957#(<= ULTIMATE.start_main_~i~4 9), 187962#(<= ULTIMATE.start_main_~i~4 14), 187963#(<= ULTIMATE.start_main_~i~4 15), 187960#(<= ULTIMATE.start_main_~i~4 12), 187961#(<= ULTIMATE.start_main_~i~4 13), 187966#(<= ULTIMATE.start_main_~i~4 18), 187967#(<= ULTIMATE.start_main_~i~4 19), 187964#(<= ULTIMATE.start_main_~i~4 16), 187965#(<= ULTIMATE.start_main_~i~4 17), 187970#(<= ULTIMATE.start_main_~i~4 22), 187971#(<= ULTIMATE.start_main_~i~4 23), 187968#(<= ULTIMATE.start_main_~i~4 20), 187969#(<= ULTIMATE.start_main_~i~4 21), 187974#(<= ULTIMATE.start_main_~i~4 26), 187975#(<= ULTIMATE.start_main_~i~4 27), 187972#(<= ULTIMATE.start_main_~i~4 24), 187973#(<= ULTIMATE.start_main_~i~4 25), 187978#(<= ULTIMATE.start_main_~i~4 30), 187979#(<= ULTIMATE.start_main_~i~4 31), 187976#(<= ULTIMATE.start_main_~i~4 28), 187977#(<= ULTIMATE.start_main_~i~4 29), 187982#(<= ULTIMATE.start_main_~i~4 34), 187983#(<= ULTIMATE.start_main_~i~4 35), 187980#(<= ULTIMATE.start_main_~i~4 32), 187981#(<= ULTIMATE.start_main_~i~4 33), 187986#(<= ULTIMATE.start_main_~i~4 38), 187987#(<= ULTIMATE.start_main_~i~4 39), 187984#(<= ULTIMATE.start_main_~i~4 36), 187985#(<= ULTIMATE.start_main_~i~4 37), 187990#(<= ULTIMATE.start_main_~i~4 42), 187991#(<= ULTIMATE.start_main_~i~4 43), 187988#(<= ULTIMATE.start_main_~i~4 40), 187989#(<= ULTIMATE.start_main_~i~4 41), 187994#(<= ULTIMATE.start_main_~i~4 46), 187995#(<= ULTIMATE.start_main_~i~4 47), 187992#(<= ULTIMATE.start_main_~i~4 44), 187993#(<= ULTIMATE.start_main_~i~4 45), 187998#(<= ULTIMATE.start_main_~i~4 50), 187999#(<= ULTIMATE.start_main_~i~4 51), 187996#(<= ULTIMATE.start_main_~i~4 48), 187997#(<= ULTIMATE.start_main_~i~4 49), 188002#(<= ULTIMATE.start_main_~i~4 54), 188003#(<= ULTIMATE.start_main_~i~4 55), 188000#(<= ULTIMATE.start_main_~i~4 52), 188001#(<= ULTIMATE.start_main_~i~4 53), 188006#(<= ULTIMATE.start_main_~i~4 58), 188007#(<= ULTIMATE.start_main_~i~4 59), 188004#(<= ULTIMATE.start_main_~i~4 56), 188005#(<= ULTIMATE.start_main_~i~4 57), 188010#(<= ULTIMATE.start_main_~i~4 62), 188011#(<= ULTIMATE.start_main_~i~4 63), 188008#(<= ULTIMATE.start_main_~i~4 60), 188009#(<= ULTIMATE.start_main_~i~4 61), 188014#(<= ULTIMATE.start_main_~i~4 66), 188015#(<= ULTIMATE.start_main_~i~4 67), 188012#(<= ULTIMATE.start_main_~i~4 64), 188013#(<= ULTIMATE.start_main_~i~4 65), 188018#(<= ULTIMATE.start_main_~i~4 70), 188019#(<= ULTIMATE.start_main_~i~4 71), 188016#(<= ULTIMATE.start_main_~i~4 68), 188017#(<= ULTIMATE.start_main_~i~4 69), 188022#(<= ULTIMATE.start_main_~i~4 74), 188023#(<= ULTIMATE.start_main_~i~4 75), 188020#(<= ULTIMATE.start_main_~i~4 72), 188021#(<= ULTIMATE.start_main_~i~4 73), 188026#(<= ULTIMATE.start_main_~i~4 78), 188027#(<= ULTIMATE.start_main_~i~4 79), 188024#(<= ULTIMATE.start_main_~i~4 76), 188025#(<= ULTIMATE.start_main_~i~4 77), 188030#(<= ULTIMATE.start_main_~i~4 82), 188031#(<= ULTIMATE.start_main_~i~4 83), 188028#(<= ULTIMATE.start_main_~i~4 80), 188029#(<= ULTIMATE.start_main_~i~4 81), 188034#(<= ULTIMATE.start_main_~i~4 86), 188035#(<= ULTIMATE.start_main_~i~4 87), 188032#(<= ULTIMATE.start_main_~i~4 84), 188033#(<= ULTIMATE.start_main_~i~4 85), 188038#(<= ULTIMATE.start_main_~i~4 90), 188039#(<= ULTIMATE.start_main_~i~4 91), 188036#(<= ULTIMATE.start_main_~i~4 88), 188037#(<= ULTIMATE.start_main_~i~4 89), 188042#(<= ULTIMATE.start_main_~i~4 94), 188043#(<= ULTIMATE.start_main_~i~4 95), 188040#(<= ULTIMATE.start_main_~i~4 92), 188041#(<= ULTIMATE.start_main_~i~4 93), 188046#(<= ULTIMATE.start_main_~i~4 98), 188047#(<= ULTIMATE.start_main_~i~4 99), 188044#(<= ULTIMATE.start_main_~i~4 96), 188045#(<= ULTIMATE.start_main_~i~4 97), 188050#(<= ULTIMATE.start_main_~i~4 102), 188051#(<= ULTIMATE.start_main_~i~4 103), 188048#(<= ULTIMATE.start_main_~i~4 100), 188049#(<= ULTIMATE.start_main_~i~4 101), 188054#(<= ULTIMATE.start_main_~i~4 106), 188055#(<= ULTIMATE.start_main_~i~4 107), 188052#(<= ULTIMATE.start_main_~i~4 104), 188053#(<= ULTIMATE.start_main_~i~4 105), 188058#(<= ULTIMATE.start_main_~i~4 110), 188059#(<= ULTIMATE.start_main_~i~4 111), 188056#(<= ULTIMATE.start_main_~i~4 108), 188057#(<= ULTIMATE.start_main_~i~4 109), 188062#(<= ULTIMATE.start_main_~i~4 114), 188063#(<= ULTIMATE.start_main_~i~4 115), 188060#(<= ULTIMATE.start_main_~i~4 112), 188061#(<= ULTIMATE.start_main_~i~4 113), 188066#(<= ULTIMATE.start_main_~i~4 118), 188067#(<= ULTIMATE.start_main_~i~4 119), 188064#(<= ULTIMATE.start_main_~i~4 116), 188065#(<= ULTIMATE.start_main_~i~4 117), 188070#(<= ULTIMATE.start_main_~i~4 122), 188071#(<= ULTIMATE.start_main_~i~4 123), 188068#(<= ULTIMATE.start_main_~i~4 120), 188069#(<= ULTIMATE.start_main_~i~4 121), 188074#(<= ULTIMATE.start_main_~i~4 126), 188075#(<= ULTIMATE.start_main_~i~4 127), 188072#(<= ULTIMATE.start_main_~i~4 124), 188073#(<= ULTIMATE.start_main_~i~4 125), 188078#(<= ULTIMATE.start_main_~i~4 130), 188079#(<= ULTIMATE.start_main_~i~4 131), 188076#(<= ULTIMATE.start_main_~i~4 128), 188077#(<= ULTIMATE.start_main_~i~4 129), 188082#(<= ULTIMATE.start_main_~i~4 134), 188083#(<= ULTIMATE.start_main_~i~4 135), 188080#(<= ULTIMATE.start_main_~i~4 132), 188081#(<= ULTIMATE.start_main_~i~4 133), 188086#(<= ULTIMATE.start_main_~i~4 138), 188087#(<= ULTIMATE.start_main_~i~4 139), 188084#(<= ULTIMATE.start_main_~i~4 136), 188085#(<= ULTIMATE.start_main_~i~4 137), 188090#(<= ULTIMATE.start_main_~i~4 142), 188091#(<= ULTIMATE.start_main_~i~4 143), 188088#(<= ULTIMATE.start_main_~i~4 140), 188089#(<= ULTIMATE.start_main_~i~4 141), 188094#(<= ULTIMATE.start_main_~i~4 146), 188095#(<= ULTIMATE.start_main_~i~4 147), 188092#(<= ULTIMATE.start_main_~i~4 144), 188093#(<= ULTIMATE.start_main_~i~4 145), 188098#(<= ULTIMATE.start_main_~i~4 150), 188099#(<= ULTIMATE.start_main_~i~4 151), 188096#(<= ULTIMATE.start_main_~i~4 148), 188097#(<= ULTIMATE.start_main_~i~4 149), 188102#(<= ULTIMATE.start_main_~i~4 154), 188103#(<= ULTIMATE.start_main_~i~4 155), 188100#(<= ULTIMATE.start_main_~i~4 152), 188101#(<= ULTIMATE.start_main_~i~4 153), 188106#(<= ULTIMATE.start_main_~i~4 158), 188107#(<= ULTIMATE.start_main_~i~4 159), 188104#(<= ULTIMATE.start_main_~i~4 156), 188105#(<= ULTIMATE.start_main_~i~4 157), 188110#(<= ULTIMATE.start_main_~i~4 162), 188111#(<= ULTIMATE.start_main_~i~4 163), 188108#(<= ULTIMATE.start_main_~i~4 160), 188109#(<= ULTIMATE.start_main_~i~4 161), 188114#(<= ULTIMATE.start_main_~i~4 166), 188115#(<= ULTIMATE.start_main_~i~4 167), 188112#(<= ULTIMATE.start_main_~i~4 164), 188113#(<= ULTIMATE.start_main_~i~4 165), 188118#(<= ULTIMATE.start_main_~i~4 170), 188119#(<= ULTIMATE.start_main_~i~4 171), 188116#(<= ULTIMATE.start_main_~i~4 168), 188117#(<= ULTIMATE.start_main_~i~4 169), 188122#(<= ULTIMATE.start_main_~i~4 174), 188123#(<= ULTIMATE.start_main_~i~4 175), 188120#(<= ULTIMATE.start_main_~i~4 172), 188121#(<= ULTIMATE.start_main_~i~4 173), 188126#(<= ULTIMATE.start_main_~i~4 178), 188127#(<= ULTIMATE.start_main_~i~4 179), 188124#(<= ULTIMATE.start_main_~i~4 176), 188125#(<= ULTIMATE.start_main_~i~4 177), 188130#(<= ULTIMATE.start_main_~i~4 182), 188131#(<= ULTIMATE.start_main_~i~4 183), 188128#(<= ULTIMATE.start_main_~i~4 180), 188129#(<= ULTIMATE.start_main_~i~4 181), 188134#(<= ULTIMATE.start_main_~i~4 186), 188135#(<= ULTIMATE.start_main_~i~4 187), 188132#(<= ULTIMATE.start_main_~i~4 184), 188133#(<= ULTIMATE.start_main_~i~4 185), 188138#(<= ULTIMATE.start_main_~i~4 190), 188139#(<= ULTIMATE.start_main_~i~4 191), 188136#(<= ULTIMATE.start_main_~i~4 188), 188137#(<= ULTIMATE.start_main_~i~4 189), 188142#(<= ULTIMATE.start_main_~i~4 194), 188143#(<= ULTIMATE.start_main_~i~4 195), 188140#(<= ULTIMATE.start_main_~i~4 192), 188141#(<= ULTIMATE.start_main_~i~4 193), 188146#(<= ULTIMATE.start_main_~i~4 198), 188147#(<= ULTIMATE.start_main_~i~4 199), 188144#(<= ULTIMATE.start_main_~i~4 196), 188145#(<= ULTIMATE.start_main_~i~4 197), 188148#(<= ULTIMATE.start_main_~i~4 200), 188149#(<= ULTIMATE.start_main_~i~4 201)] [2018-07-23 13:45:54,194 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 13:45:54,194 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:45:54,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:45:54,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:45:54,203 INFO L87 Difference]: Start difference. First operand 407 states and 407 transitions. Second operand 204 states. [2018-07-23 13:45:56,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,752 INFO L93 Difference]: Finished difference Result 411 states and 411 transitions. [2018-07-23 13:45:56,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:45:56,752 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 406 [2018-07-23 13:45:56,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,753 INFO L225 Difference]: With dead ends: 411 [2018-07-23 13:45:56,753 INFO L226 Difference]: Without dead ends: 409 [2018-07-23 13:45:56,754 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:45:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-07-23 13:45:56,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2018-07-23 13:45:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-07-23 13:45:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 409 transitions. [2018-07-23 13:45:56,757 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 409 transitions. Word has length 406 [2018-07-23 13:45:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,758 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 409 transitions. [2018-07-23 13:45:56,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:45:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 409 transitions. [2018-07-23 13:45:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-07-23 13:45:56,759 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,759 INFO L357 BasicCegarLoop]: trace histogram [203, 202, 1, 1, 1] [2018-07-23 13:45:56,759 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1190588405, now seen corresponding path program 202 times [2018-07-23 13:45:56,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,877 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 13:45:57,877 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,877 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:45:57,877 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,878 INFO L185 omatonBuilderFactory]: Interpolants [189954#(<= ULTIMATE.start_main_~i~4 162), 189955#(<= ULTIMATE.start_main_~i~4 163), 189952#(<= ULTIMATE.start_main_~i~4 160), 189953#(<= ULTIMATE.start_main_~i~4 161), 189958#(<= ULTIMATE.start_main_~i~4 166), 189959#(<= ULTIMATE.start_main_~i~4 167), 189956#(<= ULTIMATE.start_main_~i~4 164), 189957#(<= ULTIMATE.start_main_~i~4 165), 189962#(<= ULTIMATE.start_main_~i~4 170), 189963#(<= ULTIMATE.start_main_~i~4 171), 189960#(<= ULTIMATE.start_main_~i~4 168), 189961#(<= ULTIMATE.start_main_~i~4 169), 189966#(<= ULTIMATE.start_main_~i~4 174), 189967#(<= ULTIMATE.start_main_~i~4 175), 189964#(<= ULTIMATE.start_main_~i~4 172), 189965#(<= ULTIMATE.start_main_~i~4 173), 189970#(<= ULTIMATE.start_main_~i~4 178), 189971#(<= ULTIMATE.start_main_~i~4 179), 189968#(<= ULTIMATE.start_main_~i~4 176), 189969#(<= ULTIMATE.start_main_~i~4 177), 189974#(<= ULTIMATE.start_main_~i~4 182), 189975#(<= ULTIMATE.start_main_~i~4 183), 189972#(<= ULTIMATE.start_main_~i~4 180), 189973#(<= ULTIMATE.start_main_~i~4 181), 189978#(<= ULTIMATE.start_main_~i~4 186), 189979#(<= ULTIMATE.start_main_~i~4 187), 189976#(<= ULTIMATE.start_main_~i~4 184), 189977#(<= ULTIMATE.start_main_~i~4 185), 189982#(<= ULTIMATE.start_main_~i~4 190), 189983#(<= ULTIMATE.start_main_~i~4 191), 189980#(<= ULTIMATE.start_main_~i~4 188), 189981#(<= ULTIMATE.start_main_~i~4 189), 189986#(<= ULTIMATE.start_main_~i~4 194), 189987#(<= ULTIMATE.start_main_~i~4 195), 189984#(<= ULTIMATE.start_main_~i~4 192), 189985#(<= ULTIMATE.start_main_~i~4 193), 189990#(<= ULTIMATE.start_main_~i~4 198), 189991#(<= ULTIMATE.start_main_~i~4 199), 189988#(<= ULTIMATE.start_main_~i~4 196), 189989#(<= ULTIMATE.start_main_~i~4 197), 189994#(<= ULTIMATE.start_main_~i~4 202), 189992#(<= ULTIMATE.start_main_~i~4 200), 189993#(<= ULTIMATE.start_main_~i~4 201), 189790#true, 189791#false, 189794#(<= ULTIMATE.start_main_~i~4 2), 189795#(<= ULTIMATE.start_main_~i~4 3), 189792#(<= ULTIMATE.start_main_~i~4 0), 189793#(<= ULTIMATE.start_main_~i~4 1), 189798#(<= ULTIMATE.start_main_~i~4 6), 189799#(<= ULTIMATE.start_main_~i~4 7), 189796#(<= ULTIMATE.start_main_~i~4 4), 189797#(<= ULTIMATE.start_main_~i~4 5), 189802#(<= ULTIMATE.start_main_~i~4 10), 189803#(<= ULTIMATE.start_main_~i~4 11), 189800#(<= ULTIMATE.start_main_~i~4 8), 189801#(<= ULTIMATE.start_main_~i~4 9), 189806#(<= ULTIMATE.start_main_~i~4 14), 189807#(<= ULTIMATE.start_main_~i~4 15), 189804#(<= ULTIMATE.start_main_~i~4 12), 189805#(<= ULTIMATE.start_main_~i~4 13), 189810#(<= ULTIMATE.start_main_~i~4 18), 189811#(<= ULTIMATE.start_main_~i~4 19), 189808#(<= ULTIMATE.start_main_~i~4 16), 189809#(<= ULTIMATE.start_main_~i~4 17), 189814#(<= ULTIMATE.start_main_~i~4 22), 189815#(<= ULTIMATE.start_main_~i~4 23), 189812#(<= ULTIMATE.start_main_~i~4 20), 189813#(<= ULTIMATE.start_main_~i~4 21), 189818#(<= ULTIMATE.start_main_~i~4 26), 189819#(<= ULTIMATE.start_main_~i~4 27), 189816#(<= ULTIMATE.start_main_~i~4 24), 189817#(<= ULTIMATE.start_main_~i~4 25), 189822#(<= ULTIMATE.start_main_~i~4 30), 189823#(<= ULTIMATE.start_main_~i~4 31), 189820#(<= ULTIMATE.start_main_~i~4 28), 189821#(<= ULTIMATE.start_main_~i~4 29), 189826#(<= ULTIMATE.start_main_~i~4 34), 189827#(<= ULTIMATE.start_main_~i~4 35), 189824#(<= ULTIMATE.start_main_~i~4 32), 189825#(<= ULTIMATE.start_main_~i~4 33), 189830#(<= ULTIMATE.start_main_~i~4 38), 189831#(<= ULTIMATE.start_main_~i~4 39), 189828#(<= ULTIMATE.start_main_~i~4 36), 189829#(<= ULTIMATE.start_main_~i~4 37), 189834#(<= ULTIMATE.start_main_~i~4 42), 189835#(<= ULTIMATE.start_main_~i~4 43), 189832#(<= ULTIMATE.start_main_~i~4 40), 189833#(<= ULTIMATE.start_main_~i~4 41), 189838#(<= ULTIMATE.start_main_~i~4 46), 189839#(<= ULTIMATE.start_main_~i~4 47), 189836#(<= ULTIMATE.start_main_~i~4 44), 189837#(<= ULTIMATE.start_main_~i~4 45), 189842#(<= ULTIMATE.start_main_~i~4 50), 189843#(<= ULTIMATE.start_main_~i~4 51), 189840#(<= ULTIMATE.start_main_~i~4 48), 189841#(<= ULTIMATE.start_main_~i~4 49), 189846#(<= ULTIMATE.start_main_~i~4 54), 189847#(<= ULTIMATE.start_main_~i~4 55), 189844#(<= ULTIMATE.start_main_~i~4 52), 189845#(<= ULTIMATE.start_main_~i~4 53), 189850#(<= ULTIMATE.start_main_~i~4 58), 189851#(<= ULTIMATE.start_main_~i~4 59), 189848#(<= ULTIMATE.start_main_~i~4 56), 189849#(<= ULTIMATE.start_main_~i~4 57), 189854#(<= ULTIMATE.start_main_~i~4 62), 189855#(<= ULTIMATE.start_main_~i~4 63), 189852#(<= ULTIMATE.start_main_~i~4 60), 189853#(<= ULTIMATE.start_main_~i~4 61), 189858#(<= ULTIMATE.start_main_~i~4 66), 189859#(<= ULTIMATE.start_main_~i~4 67), 189856#(<= ULTIMATE.start_main_~i~4 64), 189857#(<= ULTIMATE.start_main_~i~4 65), 189862#(<= ULTIMATE.start_main_~i~4 70), 189863#(<= ULTIMATE.start_main_~i~4 71), 189860#(<= ULTIMATE.start_main_~i~4 68), 189861#(<= ULTIMATE.start_main_~i~4 69), 189866#(<= ULTIMATE.start_main_~i~4 74), 189867#(<= ULTIMATE.start_main_~i~4 75), 189864#(<= ULTIMATE.start_main_~i~4 72), 189865#(<= ULTIMATE.start_main_~i~4 73), 189870#(<= ULTIMATE.start_main_~i~4 78), 189871#(<= ULTIMATE.start_main_~i~4 79), 189868#(<= ULTIMATE.start_main_~i~4 76), 189869#(<= ULTIMATE.start_main_~i~4 77), 189874#(<= ULTIMATE.start_main_~i~4 82), 189875#(<= ULTIMATE.start_main_~i~4 83), 189872#(<= ULTIMATE.start_main_~i~4 80), 189873#(<= ULTIMATE.start_main_~i~4 81), 189878#(<= ULTIMATE.start_main_~i~4 86), 189879#(<= ULTIMATE.start_main_~i~4 87), 189876#(<= ULTIMATE.start_main_~i~4 84), 189877#(<= ULTIMATE.start_main_~i~4 85), 189882#(<= ULTIMATE.start_main_~i~4 90), 189883#(<= ULTIMATE.start_main_~i~4 91), 189880#(<= ULTIMATE.start_main_~i~4 88), 189881#(<= ULTIMATE.start_main_~i~4 89), 189886#(<= ULTIMATE.start_main_~i~4 94), 189887#(<= ULTIMATE.start_main_~i~4 95), 189884#(<= ULTIMATE.start_main_~i~4 92), 189885#(<= ULTIMATE.start_main_~i~4 93), 189890#(<= ULTIMATE.start_main_~i~4 98), 189891#(<= ULTIMATE.start_main_~i~4 99), 189888#(<= ULTIMATE.start_main_~i~4 96), 189889#(<= ULTIMATE.start_main_~i~4 97), 189894#(<= ULTIMATE.start_main_~i~4 102), 189895#(<= ULTIMATE.start_main_~i~4 103), 189892#(<= ULTIMATE.start_main_~i~4 100), 189893#(<= ULTIMATE.start_main_~i~4 101), 189898#(<= ULTIMATE.start_main_~i~4 106), 189899#(<= ULTIMATE.start_main_~i~4 107), 189896#(<= ULTIMATE.start_main_~i~4 104), 189897#(<= ULTIMATE.start_main_~i~4 105), 189902#(<= ULTIMATE.start_main_~i~4 110), 189903#(<= ULTIMATE.start_main_~i~4 111), 189900#(<= ULTIMATE.start_main_~i~4 108), 189901#(<= ULTIMATE.start_main_~i~4 109), 189906#(<= ULTIMATE.start_main_~i~4 114), 189907#(<= ULTIMATE.start_main_~i~4 115), 189904#(<= ULTIMATE.start_main_~i~4 112), 189905#(<= ULTIMATE.start_main_~i~4 113), 189910#(<= ULTIMATE.start_main_~i~4 118), 189911#(<= ULTIMATE.start_main_~i~4 119), 189908#(<= ULTIMATE.start_main_~i~4 116), 189909#(<= ULTIMATE.start_main_~i~4 117), 189914#(<= ULTIMATE.start_main_~i~4 122), 189915#(<= ULTIMATE.start_main_~i~4 123), 189912#(<= ULTIMATE.start_main_~i~4 120), 189913#(<= ULTIMATE.start_main_~i~4 121), 189918#(<= ULTIMATE.start_main_~i~4 126), 189919#(<= ULTIMATE.start_main_~i~4 127), 189916#(<= ULTIMATE.start_main_~i~4 124), 189917#(<= ULTIMATE.start_main_~i~4 125), 189922#(<= ULTIMATE.start_main_~i~4 130), 189923#(<= ULTIMATE.start_main_~i~4 131), 189920#(<= ULTIMATE.start_main_~i~4 128), 189921#(<= ULTIMATE.start_main_~i~4 129), 189926#(<= ULTIMATE.start_main_~i~4 134), 189927#(<= ULTIMATE.start_main_~i~4 135), 189924#(<= ULTIMATE.start_main_~i~4 132), 189925#(<= ULTIMATE.start_main_~i~4 133), 189930#(<= ULTIMATE.start_main_~i~4 138), 189931#(<= ULTIMATE.start_main_~i~4 139), 189928#(<= ULTIMATE.start_main_~i~4 136), 189929#(<= ULTIMATE.start_main_~i~4 137), 189934#(<= ULTIMATE.start_main_~i~4 142), 189935#(<= ULTIMATE.start_main_~i~4 143), 189932#(<= ULTIMATE.start_main_~i~4 140), 189933#(<= ULTIMATE.start_main_~i~4 141), 189938#(<= ULTIMATE.start_main_~i~4 146), 189939#(<= ULTIMATE.start_main_~i~4 147), 189936#(<= ULTIMATE.start_main_~i~4 144), 189937#(<= ULTIMATE.start_main_~i~4 145), 189942#(<= ULTIMATE.start_main_~i~4 150), 189943#(<= ULTIMATE.start_main_~i~4 151), 189940#(<= ULTIMATE.start_main_~i~4 148), 189941#(<= ULTIMATE.start_main_~i~4 149), 189946#(<= ULTIMATE.start_main_~i~4 154), 189947#(<= ULTIMATE.start_main_~i~4 155), 189944#(<= ULTIMATE.start_main_~i~4 152), 189945#(<= ULTIMATE.start_main_~i~4 153), 189950#(<= ULTIMATE.start_main_~i~4 158), 189951#(<= ULTIMATE.start_main_~i~4 159), 189948#(<= ULTIMATE.start_main_~i~4 156), 189949#(<= ULTIMATE.start_main_~i~4 157)] [2018-07-23 13:45:57,881 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 13:45:57,881 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:45:57,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:45:57,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:45:57,888 INFO L87 Difference]: Start difference. First operand 409 states and 409 transitions. Second operand 205 states. [2018-07-23 13:45:59,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,158 INFO L93 Difference]: Finished difference Result 413 states and 413 transitions. [2018-07-23 13:45:59,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:45:59,158 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 408 [2018-07-23 13:45:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,159 INFO L225 Difference]: With dead ends: 413 [2018-07-23 13:45:59,159 INFO L226 Difference]: Without dead ends: 411 [2018-07-23 13:45:59,163 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:45:59,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-07-23 13:45:59,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2018-07-23 13:45:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-07-23 13:45:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 411 transitions. [2018-07-23 13:45:59,168 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 411 transitions. Word has length 408 [2018-07-23 13:45:59,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,168 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 411 transitions. [2018-07-23 13:45:59,168 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:45:59,168 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 411 transitions. [2018-07-23 13:45:59,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-07-23 13:45:59,169 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,169 INFO L357 BasicCegarLoop]: trace histogram [204, 203, 1, 1, 1] [2018-07-23 13:45:59,169 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1694104379, now seen corresponding path program 203 times [2018-07-23 13:45:59,170 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:00,502 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 13:46:00,503 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:00,503 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [205] total 205 [2018-07-23 13:46:00,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,504 INFO L185 omatonBuilderFactory]: Interpolants [191643#true, 191646#(<= ULTIMATE.start_main_~i~4 1), 191647#(<= ULTIMATE.start_main_~i~4 2), 191644#false, 191645#(<= ULTIMATE.start_main_~i~4 0), 191650#(<= ULTIMATE.start_main_~i~4 5), 191651#(<= ULTIMATE.start_main_~i~4 6), 191648#(<= ULTIMATE.start_main_~i~4 3), 191649#(<= ULTIMATE.start_main_~i~4 4), 191654#(<= ULTIMATE.start_main_~i~4 9), 191655#(<= ULTIMATE.start_main_~i~4 10), 191652#(<= ULTIMATE.start_main_~i~4 7), 191653#(<= ULTIMATE.start_main_~i~4 8), 191658#(<= ULTIMATE.start_main_~i~4 13), 191659#(<= ULTIMATE.start_main_~i~4 14), 191656#(<= ULTIMATE.start_main_~i~4 11), 191657#(<= ULTIMATE.start_main_~i~4 12), 191662#(<= ULTIMATE.start_main_~i~4 17), 191663#(<= ULTIMATE.start_main_~i~4 18), 191660#(<= ULTIMATE.start_main_~i~4 15), 191661#(<= ULTIMATE.start_main_~i~4 16), 191666#(<= ULTIMATE.start_main_~i~4 21), 191667#(<= ULTIMATE.start_main_~i~4 22), 191664#(<= ULTIMATE.start_main_~i~4 19), 191665#(<= ULTIMATE.start_main_~i~4 20), 191670#(<= ULTIMATE.start_main_~i~4 25), 191671#(<= ULTIMATE.start_main_~i~4 26), 191668#(<= ULTIMATE.start_main_~i~4 23), 191669#(<= ULTIMATE.start_main_~i~4 24), 191674#(<= ULTIMATE.start_main_~i~4 29), 191675#(<= ULTIMATE.start_main_~i~4 30), 191672#(<= ULTIMATE.start_main_~i~4 27), 191673#(<= ULTIMATE.start_main_~i~4 28), 191678#(<= ULTIMATE.start_main_~i~4 33), 191679#(<= ULTIMATE.start_main_~i~4 34), 191676#(<= ULTIMATE.start_main_~i~4 31), 191677#(<= ULTIMATE.start_main_~i~4 32), 191682#(<= ULTIMATE.start_main_~i~4 37), 191683#(<= ULTIMATE.start_main_~i~4 38), 191680#(<= ULTIMATE.start_main_~i~4 35), 191681#(<= ULTIMATE.start_main_~i~4 36), 191686#(<= ULTIMATE.start_main_~i~4 41), 191687#(<= ULTIMATE.start_main_~i~4 42), 191684#(<= ULTIMATE.start_main_~i~4 39), 191685#(<= ULTIMATE.start_main_~i~4 40), 191690#(<= ULTIMATE.start_main_~i~4 45), 191691#(<= ULTIMATE.start_main_~i~4 46), 191688#(<= ULTIMATE.start_main_~i~4 43), 191689#(<= ULTIMATE.start_main_~i~4 44), 191694#(<= ULTIMATE.start_main_~i~4 49), 191695#(<= ULTIMATE.start_main_~i~4 50), 191692#(<= ULTIMATE.start_main_~i~4 47), 191693#(<= ULTIMATE.start_main_~i~4 48), 191698#(<= ULTIMATE.start_main_~i~4 53), 191699#(<= ULTIMATE.start_main_~i~4 54), 191696#(<= ULTIMATE.start_main_~i~4 51), 191697#(<= ULTIMATE.start_main_~i~4 52), 191702#(<= ULTIMATE.start_main_~i~4 57), 191703#(<= ULTIMATE.start_main_~i~4 58), 191700#(<= ULTIMATE.start_main_~i~4 55), 191701#(<= ULTIMATE.start_main_~i~4 56), 191706#(<= ULTIMATE.start_main_~i~4 61), 191707#(<= ULTIMATE.start_main_~i~4 62), 191704#(<= ULTIMATE.start_main_~i~4 59), 191705#(<= ULTIMATE.start_main_~i~4 60), 191710#(<= ULTIMATE.start_main_~i~4 65), 191711#(<= ULTIMATE.start_main_~i~4 66), 191708#(<= ULTIMATE.start_main_~i~4 63), 191709#(<= ULTIMATE.start_main_~i~4 64), 191714#(<= ULTIMATE.start_main_~i~4 69), 191715#(<= ULTIMATE.start_main_~i~4 70), 191712#(<= ULTIMATE.start_main_~i~4 67), 191713#(<= ULTIMATE.start_main_~i~4 68), 191718#(<= ULTIMATE.start_main_~i~4 73), 191719#(<= ULTIMATE.start_main_~i~4 74), 191716#(<= ULTIMATE.start_main_~i~4 71), 191717#(<= ULTIMATE.start_main_~i~4 72), 191722#(<= ULTIMATE.start_main_~i~4 77), 191723#(<= ULTIMATE.start_main_~i~4 78), 191720#(<= ULTIMATE.start_main_~i~4 75), 191721#(<= ULTIMATE.start_main_~i~4 76), 191726#(<= ULTIMATE.start_main_~i~4 81), 191727#(<= ULTIMATE.start_main_~i~4 82), 191724#(<= ULTIMATE.start_main_~i~4 79), 191725#(<= ULTIMATE.start_main_~i~4 80), 191730#(<= ULTIMATE.start_main_~i~4 85), 191731#(<= ULTIMATE.start_main_~i~4 86), 191728#(<= ULTIMATE.start_main_~i~4 83), 191729#(<= ULTIMATE.start_main_~i~4 84), 191734#(<= ULTIMATE.start_main_~i~4 89), 191735#(<= ULTIMATE.start_main_~i~4 90), 191732#(<= ULTIMATE.start_main_~i~4 87), 191733#(<= ULTIMATE.start_main_~i~4 88), 191738#(<= ULTIMATE.start_main_~i~4 93), 191739#(<= ULTIMATE.start_main_~i~4 94), 191736#(<= ULTIMATE.start_main_~i~4 91), 191737#(<= ULTIMATE.start_main_~i~4 92), 191742#(<= ULTIMATE.start_main_~i~4 97), 191743#(<= ULTIMATE.start_main_~i~4 98), 191740#(<= ULTIMATE.start_main_~i~4 95), 191741#(<= ULTIMATE.start_main_~i~4 96), 191746#(<= ULTIMATE.start_main_~i~4 101), 191747#(<= ULTIMATE.start_main_~i~4 102), 191744#(<= ULTIMATE.start_main_~i~4 99), 191745#(<= ULTIMATE.start_main_~i~4 100), 191750#(<= ULTIMATE.start_main_~i~4 105), 191751#(<= ULTIMATE.start_main_~i~4 106), 191748#(<= ULTIMATE.start_main_~i~4 103), 191749#(<= ULTIMATE.start_main_~i~4 104), 191754#(<= ULTIMATE.start_main_~i~4 109), 191755#(<= ULTIMATE.start_main_~i~4 110), 191752#(<= ULTIMATE.start_main_~i~4 107), 191753#(<= ULTIMATE.start_main_~i~4 108), 191758#(<= ULTIMATE.start_main_~i~4 113), 191759#(<= ULTIMATE.start_main_~i~4 114), 191756#(<= ULTIMATE.start_main_~i~4 111), 191757#(<= ULTIMATE.start_main_~i~4 112), 191762#(<= ULTIMATE.start_main_~i~4 117), 191763#(<= ULTIMATE.start_main_~i~4 118), 191760#(<= ULTIMATE.start_main_~i~4 115), 191761#(<= ULTIMATE.start_main_~i~4 116), 191766#(<= ULTIMATE.start_main_~i~4 121), 191767#(<= ULTIMATE.start_main_~i~4 122), 191764#(<= ULTIMATE.start_main_~i~4 119), 191765#(<= ULTIMATE.start_main_~i~4 120), 191770#(<= ULTIMATE.start_main_~i~4 125), 191771#(<= ULTIMATE.start_main_~i~4 126), 191768#(<= ULTIMATE.start_main_~i~4 123), 191769#(<= ULTIMATE.start_main_~i~4 124), 191774#(<= ULTIMATE.start_main_~i~4 129), 191775#(<= ULTIMATE.start_main_~i~4 130), 191772#(<= ULTIMATE.start_main_~i~4 127), 191773#(<= ULTIMATE.start_main_~i~4 128), 191778#(<= ULTIMATE.start_main_~i~4 133), 191779#(<= ULTIMATE.start_main_~i~4 134), 191776#(<= ULTIMATE.start_main_~i~4 131), 191777#(<= ULTIMATE.start_main_~i~4 132), 191782#(<= ULTIMATE.start_main_~i~4 137), 191783#(<= ULTIMATE.start_main_~i~4 138), 191780#(<= ULTIMATE.start_main_~i~4 135), 191781#(<= ULTIMATE.start_main_~i~4 136), 191786#(<= ULTIMATE.start_main_~i~4 141), 191787#(<= ULTIMATE.start_main_~i~4 142), 191784#(<= ULTIMATE.start_main_~i~4 139), 191785#(<= ULTIMATE.start_main_~i~4 140), 191790#(<= ULTIMATE.start_main_~i~4 145), 191791#(<= ULTIMATE.start_main_~i~4 146), 191788#(<= ULTIMATE.start_main_~i~4 143), 191789#(<= ULTIMATE.start_main_~i~4 144), 191794#(<= ULTIMATE.start_main_~i~4 149), 191795#(<= ULTIMATE.start_main_~i~4 150), 191792#(<= ULTIMATE.start_main_~i~4 147), 191793#(<= ULTIMATE.start_main_~i~4 148), 191798#(<= ULTIMATE.start_main_~i~4 153), 191799#(<= ULTIMATE.start_main_~i~4 154), 191796#(<= ULTIMATE.start_main_~i~4 151), 191797#(<= ULTIMATE.start_main_~i~4 152), 191802#(<= ULTIMATE.start_main_~i~4 157), 191803#(<= ULTIMATE.start_main_~i~4 158), 191800#(<= ULTIMATE.start_main_~i~4 155), 191801#(<= ULTIMATE.start_main_~i~4 156), 191806#(<= ULTIMATE.start_main_~i~4 161), 191807#(<= ULTIMATE.start_main_~i~4 162), 191804#(<= ULTIMATE.start_main_~i~4 159), 191805#(<= ULTIMATE.start_main_~i~4 160), 191810#(<= ULTIMATE.start_main_~i~4 165), 191811#(<= ULTIMATE.start_main_~i~4 166), 191808#(<= ULTIMATE.start_main_~i~4 163), 191809#(<= ULTIMATE.start_main_~i~4 164), 191814#(<= ULTIMATE.start_main_~i~4 169), 191815#(<= ULTIMATE.start_main_~i~4 170), 191812#(<= ULTIMATE.start_main_~i~4 167), 191813#(<= ULTIMATE.start_main_~i~4 168), 191818#(<= ULTIMATE.start_main_~i~4 173), 191819#(<= ULTIMATE.start_main_~i~4 174), 191816#(<= ULTIMATE.start_main_~i~4 171), 191817#(<= ULTIMATE.start_main_~i~4 172), 191822#(<= ULTIMATE.start_main_~i~4 177), 191823#(<= ULTIMATE.start_main_~i~4 178), 191820#(<= ULTIMATE.start_main_~i~4 175), 191821#(<= ULTIMATE.start_main_~i~4 176), 191826#(<= ULTIMATE.start_main_~i~4 181), 191827#(<= ULTIMATE.start_main_~i~4 182), 191824#(<= ULTIMATE.start_main_~i~4 179), 191825#(<= ULTIMATE.start_main_~i~4 180), 191830#(<= ULTIMATE.start_main_~i~4 185), 191831#(<= ULTIMATE.start_main_~i~4 186), 191828#(<= ULTIMATE.start_main_~i~4 183), 191829#(<= ULTIMATE.start_main_~i~4 184), 191834#(<= ULTIMATE.start_main_~i~4 189), 191835#(<= ULTIMATE.start_main_~i~4 190), 191832#(<= ULTIMATE.start_main_~i~4 187), 191833#(<= ULTIMATE.start_main_~i~4 188), 191838#(<= ULTIMATE.start_main_~i~4 193), 191839#(<= ULTIMATE.start_main_~i~4 194), 191836#(<= ULTIMATE.start_main_~i~4 191), 191837#(<= ULTIMATE.start_main_~i~4 192), 191842#(<= ULTIMATE.start_main_~i~4 197), 191843#(<= ULTIMATE.start_main_~i~4 198), 191840#(<= ULTIMATE.start_main_~i~4 195), 191841#(<= ULTIMATE.start_main_~i~4 196), 191846#(<= ULTIMATE.start_main_~i~4 201), 191847#(<= ULTIMATE.start_main_~i~4 202), 191844#(<= ULTIMATE.start_main_~i~4 199), 191845#(<= ULTIMATE.start_main_~i~4 200), 191848#(<= ULTIMATE.start_main_~i~4 203)] [2018-07-23 13:46:00,506 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 13:46:00,506 INFO L450 AbstractCegarLoop]: Interpolant automaton has 206 states [2018-07-23 13:46:00,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2018-07-23 13:46:00,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:46:00,512 INFO L87 Difference]: Start difference. First operand 411 states and 411 transitions. Second operand 206 states. [2018-07-23 13:46:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:01,362 INFO L93 Difference]: Finished difference Result 415 states and 415 transitions. [2018-07-23 13:46:01,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2018-07-23 13:46:01,362 INFO L78 Accepts]: Start accepts. Automaton has 206 states. Word has length 410 [2018-07-23 13:46:01,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:01,362 INFO L225 Difference]: With dead ends: 415 [2018-07-23 13:46:01,363 INFO L226 Difference]: Without dead ends: 413 [2018-07-23 13:46:01,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21115, Invalid=21115, Unknown=0, NotChecked=0, Total=42230 [2018-07-23 13:46:01,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-07-23 13:46:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2018-07-23 13:46:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-07-23 13:46:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 413 transitions. [2018-07-23 13:46:01,367 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 413 transitions. Word has length 410 [2018-07-23 13:46:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:01,368 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 413 transitions. [2018-07-23 13:46:01,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 206 states. [2018-07-23 13:46:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 413 transitions. [2018-07-23 13:46:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-07-23 13:46:01,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:01,369 INFO L357 BasicCegarLoop]: trace histogram [205, 204, 1, 1, 1] [2018-07-23 13:46:01,369 INFO L414 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:01,369 INFO L82 PathProgramCache]: Analyzing trace with hash -241650945, now seen corresponding path program 204 times [2018-07-23 13:46:01,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,462 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 13:46:02,462 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,463 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [206] total 206 [2018-07-23 13:46:02,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,463 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 13:46:02,463 INFO L185 omatonBuilderFactory]: Interpolants [193538#(<= ULTIMATE.start_main_~i~4 31), 193539#(<= ULTIMATE.start_main_~i~4 32), 193536#(<= ULTIMATE.start_main_~i~4 29), 193537#(<= ULTIMATE.start_main_~i~4 30), 193542#(<= ULTIMATE.start_main_~i~4 35), 193543#(<= ULTIMATE.start_main_~i~4 36), 193540#(<= ULTIMATE.start_main_~i~4 33), 193541#(<= ULTIMATE.start_main_~i~4 34), 193546#(<= ULTIMATE.start_main_~i~4 39), 193547#(<= ULTIMATE.start_main_~i~4 40), 193544#(<= ULTIMATE.start_main_~i~4 37), 193545#(<= ULTIMATE.start_main_~i~4 38), 193550#(<= ULTIMATE.start_main_~i~4 43), 193551#(<= ULTIMATE.start_main_~i~4 44), 193548#(<= ULTIMATE.start_main_~i~4 41), 193549#(<= ULTIMATE.start_main_~i~4 42), 193554#(<= ULTIMATE.start_main_~i~4 47), 193555#(<= ULTIMATE.start_main_~i~4 48), 193552#(<= ULTIMATE.start_main_~i~4 45), 193553#(<= ULTIMATE.start_main_~i~4 46), 193558#(<= ULTIMATE.start_main_~i~4 51), 193559#(<= ULTIMATE.start_main_~i~4 52), 193556#(<= ULTIMATE.start_main_~i~4 49), 193557#(<= ULTIMATE.start_main_~i~4 50), 193562#(<= ULTIMATE.start_main_~i~4 55), 193563#(<= ULTIMATE.start_main_~i~4 56), 193560#(<= ULTIMATE.start_main_~i~4 53), 193561#(<= ULTIMATE.start_main_~i~4 54), 193566#(<= ULTIMATE.start_main_~i~4 59), 193567#(<= ULTIMATE.start_main_~i~4 60), 193564#(<= ULTIMATE.start_main_~i~4 57), 193565#(<= ULTIMATE.start_main_~i~4 58), 193570#(<= ULTIMATE.start_main_~i~4 63), 193571#(<= ULTIMATE.start_main_~i~4 64), 193568#(<= ULTIMATE.start_main_~i~4 61), 193569#(<= ULTIMATE.start_main_~i~4 62), 193574#(<= ULTIMATE.start_main_~i~4 67), 193575#(<= ULTIMATE.start_main_~i~4 68), 193572#(<= ULTIMATE.start_main_~i~4 65), 193573#(<= ULTIMATE.start_main_~i~4 66), 193578#(<= ULTIMATE.start_main_~i~4 71), 193579#(<= ULTIMATE.start_main_~i~4 72), 193576#(<= ULTIMATE.start_main_~i~4 69), 193577#(<= ULTIMATE.start_main_~i~4 70), 193582#(<= ULTIMATE.start_main_~i~4 75), 193583#(<= ULTIMATE.start_main_~i~4 76), 193580#(<= ULTIMATE.start_main_~i~4 73), 193581#(<= ULTIMATE.start_main_~i~4 74), 193586#(<= ULTIMATE.start_main_~i~4 79), 193587#(<= ULTIMATE.start_main_~i~4 80), 193584#(<= ULTIMATE.start_main_~i~4 77), 193585#(<= ULTIMATE.start_main_~i~4 78), 193590#(<= ULTIMATE.start_main_~i~4 83), 193591#(<= ULTIMATE.start_main_~i~4 84), 193588#(<= ULTIMATE.start_main_~i~4 81), 193589#(<= ULTIMATE.start_main_~i~4 82), 193594#(<= ULTIMATE.start_main_~i~4 87), 193595#(<= ULTIMATE.start_main_~i~4 88), 193592#(<= ULTIMATE.start_main_~i~4 85), 193593#(<= ULTIMATE.start_main_~i~4 86), 193598#(<= ULTIMATE.start_main_~i~4 91), 193599#(<= ULTIMATE.start_main_~i~4 92), 193596#(<= ULTIMATE.start_main_~i~4 89), 193597#(<= ULTIMATE.start_main_~i~4 90), 193602#(<= ULTIMATE.start_main_~i~4 95), 193603#(<= ULTIMATE.start_main_~i~4 96), 193600#(<= ULTIMATE.start_main_~i~4 93), 193601#(<= ULTIMATE.start_main_~i~4 94), 193606#(<= ULTIMATE.start_main_~i~4 99), 193607#(<= ULTIMATE.start_main_~i~4 100), 193604#(<= ULTIMATE.start_main_~i~4 97), 193605#(<= ULTIMATE.start_main_~i~4 98), 193610#(<= ULTIMATE.start_main_~i~4 103), 193611#(<= ULTIMATE.start_main_~i~4 104), 193608#(<= ULTIMATE.start_main_~i~4 101), 193609#(<= ULTIMATE.start_main_~i~4 102), 193614#(<= ULTIMATE.start_main_~i~4 107), 193615#(<= ULTIMATE.start_main_~i~4 108), 193612#(<= ULTIMATE.start_main_~i~4 105), 193613#(<= ULTIMATE.start_main_~i~4 106), 193618#(<= ULTIMATE.start_main_~i~4 111), 193619#(<= ULTIMATE.start_main_~i~4 112), 193616#(<= ULTIMATE.start_main_~i~4 109), 193617#(<= ULTIMATE.start_main_~i~4 110), 193622#(<= ULTIMATE.start_main_~i~4 115), 193623#(<= ULTIMATE.start_main_~i~4 116), 193620#(<= ULTIMATE.start_main_~i~4 113), 193621#(<= ULTIMATE.start_main_~i~4 114), 193626#(<= ULTIMATE.start_main_~i~4 119), 193627#(<= ULTIMATE.start_main_~i~4 120), 193624#(<= ULTIMATE.start_main_~i~4 117), 193625#(<= ULTIMATE.start_main_~i~4 118), 193630#(<= ULTIMATE.start_main_~i~4 123), 193631#(<= ULTIMATE.start_main_~i~4 124), 193628#(<= ULTIMATE.start_main_~i~4 121), 193629#(<= ULTIMATE.start_main_~i~4 122), 193634#(<= ULTIMATE.start_main_~i~4 127), 193635#(<= ULTIMATE.start_main_~i~4 128), 193632#(<= ULTIMATE.start_main_~i~4 125), 193633#(<= ULTIMATE.start_main_~i~4 126), 193638#(<= ULTIMATE.start_main_~i~4 131), 193639#(<= ULTIMATE.start_main_~i~4 132), 193636#(<= ULTIMATE.start_main_~i~4 129), 193637#(<= ULTIMATE.start_main_~i~4 130), 193642#(<= ULTIMATE.start_main_~i~4 135), 193643#(<= ULTIMATE.start_main_~i~4 136), 193640#(<= ULTIMATE.start_main_~i~4 133), 193641#(<= ULTIMATE.start_main_~i~4 134), 193646#(<= ULTIMATE.start_main_~i~4 139), 193647#(<= ULTIMATE.start_main_~i~4 140), 193644#(<= ULTIMATE.start_main_~i~4 137), 193645#(<= ULTIMATE.start_main_~i~4 138), 193650#(<= ULTIMATE.start_main_~i~4 143), 193651#(<= ULTIMATE.start_main_~i~4 144), 193648#(<= ULTIMATE.start_main_~i~4 141), 193649#(<= ULTIMATE.start_main_~i~4 142), 193654#(<= ULTIMATE.start_main_~i~4 147), 193655#(<= ULTIMATE.start_main_~i~4 148), 193652#(<= ULTIMATE.start_main_~i~4 145), 193653#(<= ULTIMATE.start_main_~i~4 146), 193658#(<= ULTIMATE.start_main_~i~4 151), 193659#(<= ULTIMATE.start_main_~i~4 152), 193656#(<= ULTIMATE.start_main_~i~4 149), 193657#(<= ULTIMATE.start_main_~i~4 150), 193662#(<= ULTIMATE.start_main_~i~4 155), 193663#(<= ULTIMATE.start_main_~i~4 156), 193660#(<= ULTIMATE.start_main_~i~4 153), 193661#(<= ULTIMATE.start_main_~i~4 154), 193666#(<= ULTIMATE.start_main_~i~4 159), 193667#(<= ULTIMATE.start_main_~i~4 160), 193664#(<= ULTIMATE.start_main_~i~4 157), 193665#(<= ULTIMATE.start_main_~i~4 158), 193670#(<= ULTIMATE.start_main_~i~4 163), 193671#(<= ULTIMATE.start_main_~i~4 164), 193668#(<= ULTIMATE.start_main_~i~4 161), 193669#(<= ULTIMATE.start_main_~i~4 162), 193674#(<= ULTIMATE.start_main_~i~4 167), 193675#(<= ULTIMATE.start_main_~i~4 168), 193672#(<= ULTIMATE.start_main_~i~4 165), 193673#(<= ULTIMATE.start_main_~i~4 166), 193678#(<= ULTIMATE.start_main_~i~4 171), 193679#(<= ULTIMATE.start_main_~i~4 172), 193676#(<= ULTIMATE.start_main_~i~4 169), 193677#(<= ULTIMATE.start_main_~i~4 170), 193682#(<= ULTIMATE.start_main_~i~4 175), 193683#(<= ULTIMATE.start_main_~i~4 176), 193680#(<= ULTIMATE.start_main_~i~4 173), 193681#(<= ULTIMATE.start_main_~i~4 174), 193686#(<= ULTIMATE.start_main_~i~4 179), 193687#(<= ULTIMATE.start_main_~i~4 180), 193684#(<= ULTIMATE.start_main_~i~4 177), 193685#(<= ULTIMATE.start_main_~i~4 178), 193690#(<= ULTIMATE.start_main_~i~4 183), 193691#(<= ULTIMATE.start_main_~i~4 184), 193688#(<= ULTIMATE.start_main_~i~4 181), 193689#(<= ULTIMATE.start_main_~i~4 182), 193694#(<= ULTIMATE.start_main_~i~4 187), 193695#(<= ULTIMATE.start_main_~i~4 188), 193692#(<= ULTIMATE.start_main_~i~4 185), 193693#(<= ULTIMATE.start_main_~i~4 186), 193698#(<= ULTIMATE.start_main_~i~4 191), 193699#(<= ULTIMATE.start_main_~i~4 192), 193696#(<= ULTIMATE.start_main_~i~4 189), 193697#(<= ULTIMATE.start_main_~i~4 190), 193702#(<= ULTIMATE.start_main_~i~4 195), 193703#(<= ULTIMATE.start_main_~i~4 196), 193700#(<= ULTIMATE.start_main_~i~4 193), 193701#(<= ULTIMATE.start_main_~i~4 194), 193706#(<= ULTIMATE.start_main_~i~4 199), 193707#(<= ULTIMATE.start_main_~i~4 200), 193704#(<= ULTIMATE.start_main_~i~4 197), 193705#(<= ULTIMATE.start_main_~i~4 198), 193710#(<= ULTIMATE.start_main_~i~4 203), 193711#(<= ULTIMATE.start_main_~i~4 204), 193708#(<= ULTIMATE.start_main_~i~4 201), 193709#(<= ULTIMATE.start_main_~i~4 202), 193506#false, 193507#(<= ULTIMATE.start_main_~i~4 0), 193505#true, 193510#(<= ULTIMATE.start_main_~i~4 3), 193511#(<= ULTIMATE.start_main_~i~4 4), 193508#(<= ULTIMATE.start_main_~i~4 1), 193509#(<= ULTIMATE.start_main_~i~4 2), 193514#(<= ULTIMATE.start_main_~i~4 7), 193515#(<= ULTIMATE.start_main_~i~4 8), 193512#(<= ULTIMATE.start_main_~i~4 5), 193513#(<= ULTIMATE.start_main_~i~4 6), 193518#(<= ULTIMATE.start_main_~i~4 11), 193519#(<= ULTIMATE.start_main_~i~4 12), 193516#(<= ULTIMATE.start_main_~i~4 9), 193517#(<= ULTIMATE.start_main_~i~4 10), 193522#(<= ULTIMATE.start_main_~i~4 15), 193523#(<= ULTIMATE.start_main_~i~4 16), 193520#(<= ULTIMATE.start_main_~i~4 13), 193521#(<= ULTIMATE.start_main_~i~4 14), 193526#(<= ULTIMATE.start_main_~i~4 19), 193527#(<= ULTIMATE.start_main_~i~4 20), 193524#(<= ULTIMATE.start_main_~i~4 17), 193525#(<= ULTIMATE.start_main_~i~4 18), 193530#(<= ULTIMATE.start_main_~i~4 23), 193531#(<= ULTIMATE.start_main_~i~4 24), 193528#(<= ULTIMATE.start_main_~i~4 21), 193529#(<= ULTIMATE.start_main_~i~4 22), 193534#(<= ULTIMATE.start_main_~i~4 27), 193535#(<= ULTIMATE.start_main_~i~4 28), 193532#(<= ULTIMATE.start_main_~i~4 25), 193533#(<= ULTIMATE.start_main_~i~4 26)] [2018-07-23 13:46:02,465 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 13:46:02,465 INFO L450 AbstractCegarLoop]: Interpolant automaton has 207 states [2018-07-23 13:46:02,468 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2018-07-23 13:46:02,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:46:02,470 INFO L87 Difference]: Start difference. First operand 413 states and 413 transitions. Second operand 207 states. [2018-07-23 13:46:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:04,371 INFO L93 Difference]: Finished difference Result 417 states and 417 transitions. [2018-07-23 13:46:04,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2018-07-23 13:46:04,371 INFO L78 Accepts]: Start accepts. Automaton has 207 states. Word has length 412 [2018-07-23 13:46:04,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:04,372 INFO L225 Difference]: With dead ends: 417 [2018-07-23 13:46:04,372 INFO L226 Difference]: Without dead ends: 415 [2018-07-23 13:46:04,376 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21321, Invalid=21321, Unknown=0, NotChecked=0, Total=42642 [2018-07-23 13:46:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2018-07-23 13:46:04,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2018-07-23 13:46:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-07-23 13:46:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 415 transitions. [2018-07-23 13:46:04,381 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 415 transitions. Word has length 412 [2018-07-23 13:46:04,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:04,381 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 415 transitions. [2018-07-23 13:46:04,381 INFO L472 AbstractCegarLoop]: Interpolant automaton has 207 states. [2018-07-23 13:46:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 415 transitions. [2018-07-23 13:46:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-07-23 13:46:04,383 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:04,383 INFO L357 BasicCegarLoop]: trace histogram [206, 205, 1, 1, 1] [2018-07-23 13:46:04,383 INFO L414 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:04,383 INFO L82 PathProgramCache]: Analyzing trace with hash -298272071, now seen corresponding path program 205 times [2018-07-23 13:46:04,383 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:05,772 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 13:46:05,772 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:05,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2018-07-23 13:46:05,773 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,773 INFO L185 omatonBuilderFactory]: Interpolants [195378#(<= ULTIMATE.start_main_~i~4 0), 195379#(<= ULTIMATE.start_main_~i~4 1), 195376#true, 195377#false, 195382#(<= ULTIMATE.start_main_~i~4 4), 195383#(<= ULTIMATE.start_main_~i~4 5), 195380#(<= ULTIMATE.start_main_~i~4 2), 195381#(<= ULTIMATE.start_main_~i~4 3), 195386#(<= ULTIMATE.start_main_~i~4 8), 195387#(<= ULTIMATE.start_main_~i~4 9), 195384#(<= ULTIMATE.start_main_~i~4 6), 195385#(<= ULTIMATE.start_main_~i~4 7), 195390#(<= ULTIMATE.start_main_~i~4 12), 195391#(<= ULTIMATE.start_main_~i~4 13), 195388#(<= ULTIMATE.start_main_~i~4 10), 195389#(<= ULTIMATE.start_main_~i~4 11), 195394#(<= ULTIMATE.start_main_~i~4 16), 195395#(<= ULTIMATE.start_main_~i~4 17), 195392#(<= ULTIMATE.start_main_~i~4 14), 195393#(<= ULTIMATE.start_main_~i~4 15), 195398#(<= ULTIMATE.start_main_~i~4 20), 195399#(<= ULTIMATE.start_main_~i~4 21), 195396#(<= ULTIMATE.start_main_~i~4 18), 195397#(<= ULTIMATE.start_main_~i~4 19), 195402#(<= ULTIMATE.start_main_~i~4 24), 195403#(<= ULTIMATE.start_main_~i~4 25), 195400#(<= ULTIMATE.start_main_~i~4 22), 195401#(<= ULTIMATE.start_main_~i~4 23), 195406#(<= ULTIMATE.start_main_~i~4 28), 195407#(<= ULTIMATE.start_main_~i~4 29), 195404#(<= ULTIMATE.start_main_~i~4 26), 195405#(<= ULTIMATE.start_main_~i~4 27), 195410#(<= ULTIMATE.start_main_~i~4 32), 195411#(<= ULTIMATE.start_main_~i~4 33), 195408#(<= ULTIMATE.start_main_~i~4 30), 195409#(<= ULTIMATE.start_main_~i~4 31), 195414#(<= ULTIMATE.start_main_~i~4 36), 195415#(<= ULTIMATE.start_main_~i~4 37), 195412#(<= ULTIMATE.start_main_~i~4 34), 195413#(<= ULTIMATE.start_main_~i~4 35), 195418#(<= ULTIMATE.start_main_~i~4 40), 195419#(<= ULTIMATE.start_main_~i~4 41), 195416#(<= ULTIMATE.start_main_~i~4 38), 195417#(<= ULTIMATE.start_main_~i~4 39), 195422#(<= ULTIMATE.start_main_~i~4 44), 195423#(<= ULTIMATE.start_main_~i~4 45), 195420#(<= ULTIMATE.start_main_~i~4 42), 195421#(<= ULTIMATE.start_main_~i~4 43), 195426#(<= ULTIMATE.start_main_~i~4 48), 195427#(<= ULTIMATE.start_main_~i~4 49), 195424#(<= ULTIMATE.start_main_~i~4 46), 195425#(<= ULTIMATE.start_main_~i~4 47), 195430#(<= ULTIMATE.start_main_~i~4 52), 195431#(<= ULTIMATE.start_main_~i~4 53), 195428#(<= ULTIMATE.start_main_~i~4 50), 195429#(<= ULTIMATE.start_main_~i~4 51), 195434#(<= ULTIMATE.start_main_~i~4 56), 195435#(<= ULTIMATE.start_main_~i~4 57), 195432#(<= ULTIMATE.start_main_~i~4 54), 195433#(<= ULTIMATE.start_main_~i~4 55), 195438#(<= ULTIMATE.start_main_~i~4 60), 195439#(<= ULTIMATE.start_main_~i~4 61), 195436#(<= ULTIMATE.start_main_~i~4 58), 195437#(<= ULTIMATE.start_main_~i~4 59), 195442#(<= ULTIMATE.start_main_~i~4 64), 195443#(<= ULTIMATE.start_main_~i~4 65), 195440#(<= ULTIMATE.start_main_~i~4 62), 195441#(<= ULTIMATE.start_main_~i~4 63), 195446#(<= ULTIMATE.start_main_~i~4 68), 195447#(<= ULTIMATE.start_main_~i~4 69), 195444#(<= ULTIMATE.start_main_~i~4 66), 195445#(<= ULTIMATE.start_main_~i~4 67), 195450#(<= ULTIMATE.start_main_~i~4 72), 195451#(<= ULTIMATE.start_main_~i~4 73), 195448#(<= ULTIMATE.start_main_~i~4 70), 195449#(<= ULTIMATE.start_main_~i~4 71), 195454#(<= ULTIMATE.start_main_~i~4 76), 195455#(<= ULTIMATE.start_main_~i~4 77), 195452#(<= ULTIMATE.start_main_~i~4 74), 195453#(<= ULTIMATE.start_main_~i~4 75), 195458#(<= ULTIMATE.start_main_~i~4 80), 195459#(<= ULTIMATE.start_main_~i~4 81), 195456#(<= ULTIMATE.start_main_~i~4 78), 195457#(<= ULTIMATE.start_main_~i~4 79), 195462#(<= ULTIMATE.start_main_~i~4 84), 195463#(<= ULTIMATE.start_main_~i~4 85), 195460#(<= ULTIMATE.start_main_~i~4 82), 195461#(<= ULTIMATE.start_main_~i~4 83), 195466#(<= ULTIMATE.start_main_~i~4 88), 195467#(<= ULTIMATE.start_main_~i~4 89), 195464#(<= ULTIMATE.start_main_~i~4 86), 195465#(<= ULTIMATE.start_main_~i~4 87), 195470#(<= ULTIMATE.start_main_~i~4 92), 195471#(<= ULTIMATE.start_main_~i~4 93), 195468#(<= ULTIMATE.start_main_~i~4 90), 195469#(<= ULTIMATE.start_main_~i~4 91), 195474#(<= ULTIMATE.start_main_~i~4 96), 195475#(<= ULTIMATE.start_main_~i~4 97), 195472#(<= ULTIMATE.start_main_~i~4 94), 195473#(<= ULTIMATE.start_main_~i~4 95), 195478#(<= ULTIMATE.start_main_~i~4 100), 195479#(<= ULTIMATE.start_main_~i~4 101), 195476#(<= ULTIMATE.start_main_~i~4 98), 195477#(<= ULTIMATE.start_main_~i~4 99), 195482#(<= ULTIMATE.start_main_~i~4 104), 195483#(<= ULTIMATE.start_main_~i~4 105), 195480#(<= ULTIMATE.start_main_~i~4 102), 195481#(<= ULTIMATE.start_main_~i~4 103), 195486#(<= ULTIMATE.start_main_~i~4 108), 195487#(<= ULTIMATE.start_main_~i~4 109), 195484#(<= ULTIMATE.start_main_~i~4 106), 195485#(<= ULTIMATE.start_main_~i~4 107), 195490#(<= ULTIMATE.start_main_~i~4 112), 195491#(<= ULTIMATE.start_main_~i~4 113), 195488#(<= ULTIMATE.start_main_~i~4 110), 195489#(<= ULTIMATE.start_main_~i~4 111), 195494#(<= ULTIMATE.start_main_~i~4 116), 195495#(<= ULTIMATE.start_main_~i~4 117), 195492#(<= ULTIMATE.start_main_~i~4 114), 195493#(<= ULTIMATE.start_main_~i~4 115), 195498#(<= ULTIMATE.start_main_~i~4 120), 195499#(<= ULTIMATE.start_main_~i~4 121), 195496#(<= ULTIMATE.start_main_~i~4 118), 195497#(<= ULTIMATE.start_main_~i~4 119), 195502#(<= ULTIMATE.start_main_~i~4 124), 195503#(<= ULTIMATE.start_main_~i~4 125), 195500#(<= ULTIMATE.start_main_~i~4 122), 195501#(<= ULTIMATE.start_main_~i~4 123), 195506#(<= ULTIMATE.start_main_~i~4 128), 195507#(<= ULTIMATE.start_main_~i~4 129), 195504#(<= ULTIMATE.start_main_~i~4 126), 195505#(<= ULTIMATE.start_main_~i~4 127), 195510#(<= ULTIMATE.start_main_~i~4 132), 195511#(<= ULTIMATE.start_main_~i~4 133), 195508#(<= ULTIMATE.start_main_~i~4 130), 195509#(<= ULTIMATE.start_main_~i~4 131), 195514#(<= ULTIMATE.start_main_~i~4 136), 195515#(<= ULTIMATE.start_main_~i~4 137), 195512#(<= ULTIMATE.start_main_~i~4 134), 195513#(<= ULTIMATE.start_main_~i~4 135), 195518#(<= ULTIMATE.start_main_~i~4 140), 195519#(<= ULTIMATE.start_main_~i~4 141), 195516#(<= ULTIMATE.start_main_~i~4 138), 195517#(<= ULTIMATE.start_main_~i~4 139), 195522#(<= ULTIMATE.start_main_~i~4 144), 195523#(<= ULTIMATE.start_main_~i~4 145), 195520#(<= ULTIMATE.start_main_~i~4 142), 195521#(<= ULTIMATE.start_main_~i~4 143), 195526#(<= ULTIMATE.start_main_~i~4 148), 195527#(<= ULTIMATE.start_main_~i~4 149), 195524#(<= ULTIMATE.start_main_~i~4 146), 195525#(<= ULTIMATE.start_main_~i~4 147), 195530#(<= ULTIMATE.start_main_~i~4 152), 195531#(<= ULTIMATE.start_main_~i~4 153), 195528#(<= ULTIMATE.start_main_~i~4 150), 195529#(<= ULTIMATE.start_main_~i~4 151), 195534#(<= ULTIMATE.start_main_~i~4 156), 195535#(<= ULTIMATE.start_main_~i~4 157), 195532#(<= ULTIMATE.start_main_~i~4 154), 195533#(<= ULTIMATE.start_main_~i~4 155), 195538#(<= ULTIMATE.start_main_~i~4 160), 195539#(<= ULTIMATE.start_main_~i~4 161), 195536#(<= ULTIMATE.start_main_~i~4 158), 195537#(<= ULTIMATE.start_main_~i~4 159), 195542#(<= ULTIMATE.start_main_~i~4 164), 195543#(<= ULTIMATE.start_main_~i~4 165), 195540#(<= ULTIMATE.start_main_~i~4 162), 195541#(<= ULTIMATE.start_main_~i~4 163), 195546#(<= ULTIMATE.start_main_~i~4 168), 195547#(<= ULTIMATE.start_main_~i~4 169), 195544#(<= ULTIMATE.start_main_~i~4 166), 195545#(<= ULTIMATE.start_main_~i~4 167), 195550#(<= ULTIMATE.start_main_~i~4 172), 195551#(<= ULTIMATE.start_main_~i~4 173), 195548#(<= ULTIMATE.start_main_~i~4 170), 195549#(<= ULTIMATE.start_main_~i~4 171), 195554#(<= ULTIMATE.start_main_~i~4 176), 195555#(<= ULTIMATE.start_main_~i~4 177), 195552#(<= ULTIMATE.start_main_~i~4 174), 195553#(<= ULTIMATE.start_main_~i~4 175), 195558#(<= ULTIMATE.start_main_~i~4 180), 195559#(<= ULTIMATE.start_main_~i~4 181), 195556#(<= ULTIMATE.start_main_~i~4 178), 195557#(<= ULTIMATE.start_main_~i~4 179), 195562#(<= ULTIMATE.start_main_~i~4 184), 195563#(<= ULTIMATE.start_main_~i~4 185), 195560#(<= ULTIMATE.start_main_~i~4 182), 195561#(<= ULTIMATE.start_main_~i~4 183), 195566#(<= ULTIMATE.start_main_~i~4 188), 195567#(<= ULTIMATE.start_main_~i~4 189), 195564#(<= ULTIMATE.start_main_~i~4 186), 195565#(<= ULTIMATE.start_main_~i~4 187), 195570#(<= ULTIMATE.start_main_~i~4 192), 195571#(<= ULTIMATE.start_main_~i~4 193), 195568#(<= ULTIMATE.start_main_~i~4 190), 195569#(<= ULTIMATE.start_main_~i~4 191), 195574#(<= ULTIMATE.start_main_~i~4 196), 195575#(<= ULTIMATE.start_main_~i~4 197), 195572#(<= ULTIMATE.start_main_~i~4 194), 195573#(<= ULTIMATE.start_main_~i~4 195), 195578#(<= ULTIMATE.start_main_~i~4 200), 195579#(<= ULTIMATE.start_main_~i~4 201), 195576#(<= ULTIMATE.start_main_~i~4 198), 195577#(<= ULTIMATE.start_main_~i~4 199), 195582#(<= ULTIMATE.start_main_~i~4 204), 195583#(<= ULTIMATE.start_main_~i~4 205), 195580#(<= ULTIMATE.start_main_~i~4 202), 195581#(<= ULTIMATE.start_main_~i~4 203)] [2018-07-23 13:46:05,775 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 13:46:05,776 INFO L450 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-07-23 13:46:05,777 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-07-23 13:46:05,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21528, Invalid=21528, Unknown=0, NotChecked=0, Total=43056 [2018-07-23 13:46:05,779 INFO L87 Difference]: Start difference. First operand 415 states and 415 transitions. Second operand 208 states. [2018-07-23 13:46:07,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:07,848 INFO L93 Difference]: Finished difference Result 419 states and 419 transitions. [2018-07-23 13:46:07,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2018-07-23 13:46:07,848 INFO L78 Accepts]: Start accepts. Automaton has 208 states. Word has length 414 [2018-07-23 13:46:07,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:07,849 INFO L225 Difference]: With dead ends: 419 [2018-07-23 13:46:07,849 INFO L226 Difference]: Without dead ends: 417 [2018-07-23 13:46:07,850 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 13:46:07,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-07-23 13:46:07,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2018-07-23 13:46:07,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-07-23 13:46:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 417 transitions. [2018-07-23 13:46:07,854 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 417 transitions. Word has length 414 [2018-07-23 13:46:07,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:07,854 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 417 transitions. [2018-07-23 13:46:07,854 INFO L472 AbstractCegarLoop]: Interpolant automaton has 208 states. [2018-07-23 13:46:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 417 transitions. [2018-07-23 13:46:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-07-23 13:46:07,856 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:07,856 INFO L357 BasicCegarLoop]: trace histogram [207, 206, 1, 1, 1] [2018-07-23 13:46:07,856 INFO L414 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:07,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1123400691, now seen corresponding path program 206 times [2018-07-23 13:46:07,856 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:09,002 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 13:46:09,003 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:09,003 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [208] total 208 [2018-07-23 13:46:09,003 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,004 INFO L185 omatonBuilderFactory]: Interpolants [197259#(<= ULTIMATE.start_main_~i~4 1), 197258#(<= ULTIMATE.start_main_~i~4 0), 197257#false, 197256#true, 197263#(<= ULTIMATE.start_main_~i~4 5), 197262#(<= ULTIMATE.start_main_~i~4 4), 197261#(<= ULTIMATE.start_main_~i~4 3), 197260#(<= ULTIMATE.start_main_~i~4 2), 197267#(<= ULTIMATE.start_main_~i~4 9), 197266#(<= ULTIMATE.start_main_~i~4 8), 197265#(<= ULTIMATE.start_main_~i~4 7), 197264#(<= ULTIMATE.start_main_~i~4 6), 197271#(<= ULTIMATE.start_main_~i~4 13), 197270#(<= ULTIMATE.start_main_~i~4 12), 197269#(<= ULTIMATE.start_main_~i~4 11), 197268#(<= ULTIMATE.start_main_~i~4 10), 197275#(<= ULTIMATE.start_main_~i~4 17), 197274#(<= ULTIMATE.start_main_~i~4 16), 197273#(<= ULTIMATE.start_main_~i~4 15), 197272#(<= ULTIMATE.start_main_~i~4 14), 197279#(<= ULTIMATE.start_main_~i~4 21), 197278#(<= ULTIMATE.start_main_~i~4 20), 197277#(<= ULTIMATE.start_main_~i~4 19), 197276#(<= ULTIMATE.start_main_~i~4 18), 197283#(<= ULTIMATE.start_main_~i~4 25), 197282#(<= ULTIMATE.start_main_~i~4 24), 197281#(<= ULTIMATE.start_main_~i~4 23), 197280#(<= ULTIMATE.start_main_~i~4 22), 197287#(<= ULTIMATE.start_main_~i~4 29), 197286#(<= ULTIMATE.start_main_~i~4 28), 197285#(<= ULTIMATE.start_main_~i~4 27), 197284#(<= ULTIMATE.start_main_~i~4 26), 197291#(<= ULTIMATE.start_main_~i~4 33), 197290#(<= ULTIMATE.start_main_~i~4 32), 197289#(<= ULTIMATE.start_main_~i~4 31), 197288#(<= ULTIMATE.start_main_~i~4 30), 197295#(<= ULTIMATE.start_main_~i~4 37), 197294#(<= ULTIMATE.start_main_~i~4 36), 197293#(<= ULTIMATE.start_main_~i~4 35), 197292#(<= ULTIMATE.start_main_~i~4 34), 197299#(<= ULTIMATE.start_main_~i~4 41), 197298#(<= ULTIMATE.start_main_~i~4 40), 197297#(<= ULTIMATE.start_main_~i~4 39), 197296#(<= ULTIMATE.start_main_~i~4 38), 197303#(<= ULTIMATE.start_main_~i~4 45), 197302#(<= ULTIMATE.start_main_~i~4 44), 197301#(<= ULTIMATE.start_main_~i~4 43), 197300#(<= ULTIMATE.start_main_~i~4 42), 197307#(<= ULTIMATE.start_main_~i~4 49), 197306#(<= ULTIMATE.start_main_~i~4 48), 197305#(<= ULTIMATE.start_main_~i~4 47), 197304#(<= ULTIMATE.start_main_~i~4 46), 197311#(<= ULTIMATE.start_main_~i~4 53), 197310#(<= ULTIMATE.start_main_~i~4 52), 197309#(<= ULTIMATE.start_main_~i~4 51), 197308#(<= ULTIMATE.start_main_~i~4 50), 197315#(<= ULTIMATE.start_main_~i~4 57), 197314#(<= ULTIMATE.start_main_~i~4 56), 197313#(<= ULTIMATE.start_main_~i~4 55), 197312#(<= ULTIMATE.start_main_~i~4 54), 197319#(<= ULTIMATE.start_main_~i~4 61), 197318#(<= ULTIMATE.start_main_~i~4 60), 197317#(<= ULTIMATE.start_main_~i~4 59), 197316#(<= ULTIMATE.start_main_~i~4 58), 197323#(<= ULTIMATE.start_main_~i~4 65), 197322#(<= ULTIMATE.start_main_~i~4 64), 197321#(<= ULTIMATE.start_main_~i~4 63), 197320#(<= ULTIMATE.start_main_~i~4 62), 197327#(<= ULTIMATE.start_main_~i~4 69), 197326#(<= ULTIMATE.start_main_~i~4 68), 197325#(<= ULTIMATE.start_main_~i~4 67), 197324#(<= ULTIMATE.start_main_~i~4 66), 197331#(<= ULTIMATE.start_main_~i~4 73), 197330#(<= ULTIMATE.start_main_~i~4 72), 197329#(<= ULTIMATE.start_main_~i~4 71), 197328#(<= ULTIMATE.start_main_~i~4 70), 197335#(<= ULTIMATE.start_main_~i~4 77), 197334#(<= ULTIMATE.start_main_~i~4 76), 197333#(<= ULTIMATE.start_main_~i~4 75), 197332#(<= ULTIMATE.start_main_~i~4 74), 197339#(<= ULTIMATE.start_main_~i~4 81), 197338#(<= ULTIMATE.start_main_~i~4 80), 197337#(<= ULTIMATE.start_main_~i~4 79), 197336#(<= ULTIMATE.start_main_~i~4 78), 197343#(<= ULTIMATE.start_main_~i~4 85), 197342#(<= ULTIMATE.start_main_~i~4 84), 197341#(<= ULTIMATE.start_main_~i~4 83), 197340#(<= ULTIMATE.start_main_~i~4 82), 197347#(<= ULTIMATE.start_main_~i~4 89), 197346#(<= ULTIMATE.start_main_~i~4 88), 197345#(<= ULTIMATE.start_main_~i~4 87), 197344#(<= ULTIMATE.start_main_~i~4 86), 197351#(<= ULTIMATE.start_main_~i~4 93), 197350#(<= ULTIMATE.start_main_~i~4 92), 197349#(<= ULTIMATE.start_main_~i~4 91), 197348#(<= ULTIMATE.start_main_~i~4 90), 197355#(<= ULTIMATE.start_main_~i~4 97), 197354#(<= ULTIMATE.start_main_~i~4 96), 197353#(<= ULTIMATE.start_main_~i~4 95), 197352#(<= ULTIMATE.start_main_~i~4 94), 197359#(<= ULTIMATE.start_main_~i~4 101), 197358#(<= ULTIMATE.start_main_~i~4 100), 197357#(<= ULTIMATE.start_main_~i~4 99), 197356#(<= ULTIMATE.start_main_~i~4 98), 197363#(<= ULTIMATE.start_main_~i~4 105), 197362#(<= ULTIMATE.start_main_~i~4 104), 197361#(<= ULTIMATE.start_main_~i~4 103), 197360#(<= ULTIMATE.start_main_~i~4 102), 197367#(<= ULTIMATE.start_main_~i~4 109), 197366#(<= ULTIMATE.start_main_~i~4 108), 197365#(<= ULTIMATE.start_main_~i~4 107), 197364#(<= ULTIMATE.start_main_~i~4 106), 197371#(<= ULTIMATE.start_main_~i~4 113), 197370#(<= ULTIMATE.start_main_~i~4 112), 197369#(<= ULTIMATE.start_main_~i~4 111), 197368#(<= ULTIMATE.start_main_~i~4 110), 197375#(<= ULTIMATE.start_main_~i~4 117), 197374#(<= ULTIMATE.start_main_~i~4 116), 197373#(<= ULTIMATE.start_main_~i~4 115), 197372#(<= ULTIMATE.start_main_~i~4 114), 197379#(<= ULTIMATE.start_main_~i~4 121), 197378#(<= ULTIMATE.start_main_~i~4 120), 197377#(<= ULTIMATE.start_main_~i~4 119), 197376#(<= ULTIMATE.start_main_~i~4 118), 197383#(<= ULTIMATE.start_main_~i~4 125), 197382#(<= ULTIMATE.start_main_~i~4 124), 197381#(<= ULTIMATE.start_main_~i~4 123), 197380#(<= ULTIMATE.start_main_~i~4 122), 197387#(<= ULTIMATE.start_main_~i~4 129), 197386#(<= ULTIMATE.start_main_~i~4 128), 197385#(<= ULTIMATE.start_main_~i~4 127), 197384#(<= ULTIMATE.start_main_~i~4 126), 197391#(<= ULTIMATE.start_main_~i~4 133), 197390#(<= ULTIMATE.start_main_~i~4 132), 197389#(<= ULTIMATE.start_main_~i~4 131), 197388#(<= ULTIMATE.start_main_~i~4 130), 197395#(<= ULTIMATE.start_main_~i~4 137), 197394#(<= ULTIMATE.start_main_~i~4 136), 197393#(<= ULTIMATE.start_main_~i~4 135), 197392#(<= ULTIMATE.start_main_~i~4 134), 197399#(<= ULTIMATE.start_main_~i~4 141), 197398#(<= ULTIMATE.start_main_~i~4 140), 197397#(<= ULTIMATE.start_main_~i~4 139), 197396#(<= ULTIMATE.start_main_~i~4 138), 197403#(<= ULTIMATE.start_main_~i~4 145), 197402#(<= ULTIMATE.start_main_~i~4 144), 197401#(<= ULTIMATE.start_main_~i~4 143), 197400#(<= ULTIMATE.start_main_~i~4 142), 197407#(<= ULTIMATE.start_main_~i~4 149), 197406#(<= ULTIMATE.start_main_~i~4 148), 197405#(<= ULTIMATE.start_main_~i~4 147), 197404#(<= ULTIMATE.start_main_~i~4 146), 197411#(<= ULTIMATE.start_main_~i~4 153), 197410#(<= ULTIMATE.start_main_~i~4 152), 197409#(<= ULTIMATE.start_main_~i~4 151), 197408#(<= ULTIMATE.start_main_~i~4 150), 197415#(<= ULTIMATE.start_main_~i~4 157), 197414#(<= ULTIMATE.start_main_~i~4 156), 197413#(<= ULTIMATE.start_main_~i~4 155), 197412#(<= ULTIMATE.start_main_~i~4 154), 197419#(<= ULTIMATE.start_main_~i~4 161), 197418#(<= ULTIMATE.start_main_~i~4 160), 197417#(<= ULTIMATE.start_main_~i~4 159), 197416#(<= ULTIMATE.start_main_~i~4 158), 197423#(<= ULTIMATE.start_main_~i~4 165), 197422#(<= ULTIMATE.start_main_~i~4 164), 197421#(<= ULTIMATE.start_main_~i~4 163), 197420#(<= ULTIMATE.start_main_~i~4 162), 197427#(<= ULTIMATE.start_main_~i~4 169), 197426#(<= ULTIMATE.start_main_~i~4 168), 197425#(<= ULTIMATE.start_main_~i~4 167), 197424#(<= ULTIMATE.start_main_~i~4 166), 197431#(<= ULTIMATE.start_main_~i~4 173), 197430#(<= ULTIMATE.start_main_~i~4 172), 197429#(<= ULTIMATE.start_main_~i~4 171), 197428#(<= ULTIMATE.start_main_~i~4 170), 197435#(<= ULTIMATE.start_main_~i~4 177), 197434#(<= ULTIMATE.start_main_~i~4 176), 197433#(<= ULTIMATE.start_main_~i~4 175), 197432#(<= ULTIMATE.start_main_~i~4 174), 197439#(<= ULTIMATE.start_main_~i~4 181), 197438#(<= ULTIMATE.start_main_~i~4 180), 197437#(<= ULTIMATE.start_main_~i~4 179), 197436#(<= ULTIMATE.start_main_~i~4 178), 197443#(<= ULTIMATE.start_main_~i~4 185), 197442#(<= ULTIMATE.start_main_~i~4 184), 197441#(<= ULTIMATE.start_main_~i~4 183), 197440#(<= ULTIMATE.start_main_~i~4 182), 197447#(<= ULTIMATE.start_main_~i~4 189), 197446#(<= ULTIMATE.start_main_~i~4 188), 197445#(<= ULTIMATE.start_main_~i~4 187), 197444#(<= ULTIMATE.start_main_~i~4 186), 197451#(<= ULTIMATE.start_main_~i~4 193), 197450#(<= ULTIMATE.start_main_~i~4 192), 197449#(<= ULTIMATE.start_main_~i~4 191), 197448#(<= ULTIMATE.start_main_~i~4 190), 197455#(<= ULTIMATE.start_main_~i~4 197), 197454#(<= ULTIMATE.start_main_~i~4 196), 197453#(<= ULTIMATE.start_main_~i~4 195), 197452#(<= ULTIMATE.start_main_~i~4 194), 197459#(<= ULTIMATE.start_main_~i~4 201), 197458#(<= ULTIMATE.start_main_~i~4 200), 197457#(<= ULTIMATE.start_main_~i~4 199), 197456#(<= ULTIMATE.start_main_~i~4 198), 197463#(<= ULTIMATE.start_main_~i~4 205), 197462#(<= ULTIMATE.start_main_~i~4 204), 197461#(<= ULTIMATE.start_main_~i~4 203), 197460#(<= ULTIMATE.start_main_~i~4 202), 197464#(<= ULTIMATE.start_main_~i~4 206)] [2018-07-23 13:46:09,005 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 13:46:09,006 INFO L450 AbstractCegarLoop]: Interpolant automaton has 209 states [2018-07-23 13:46:09,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2018-07-23 13:46:09,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21736, Invalid=21736, Unknown=0, NotChecked=0, Total=43472 [2018-07-23 13:46:09,010 INFO L87 Difference]: Start difference. First operand 417 states and 417 transitions. Second operand 209 states. [2018-07-23 13:46:10,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:10,009 INFO L93 Difference]: Finished difference Result 421 states and 421 transitions. [2018-07-23 13:46:10,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2018-07-23 13:46:10,009 INFO L78 Accepts]: Start accepts. Automaton has 209 states. Word has length 416 [2018-07-23 13:46:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:10,010 INFO L225 Difference]: With dead ends: 421 [2018-07-23 13:46:10,010 INFO L226 Difference]: Without dead ends: 419 [2018-07-23 13:46:10,012 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 13:46:10,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-07-23 13:46:10,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2018-07-23 13:46:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-07-23 13:46:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 419 transitions. [2018-07-23 13:46:10,016 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 419 transitions. Word has length 416 [2018-07-23 13:46:10,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:10,016 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 419 transitions. [2018-07-23 13:46:10,016 INFO L472 AbstractCegarLoop]: Interpolant automaton has 209 states. [2018-07-23 13:46:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 419 transitions. [2018-07-23 13:46:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-07-23 13:46:10,018 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:10,018 INFO L357 BasicCegarLoop]: trace histogram [208, 207, 1, 1, 1] [2018-07-23 13:46:10,018 INFO L414 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:10,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1551324845, now seen corresponding path program 207 times [2018-07-23 13:46:10,018 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:11,240 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 13:46:11,240 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:11,240 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [209] total 209 [2018-07-23 13:46:11,241 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:11,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,241 INFO L185 omatonBuilderFactory]: Interpolants [199171#(<= ULTIMATE.start_main_~i~4 24), 199170#(<= ULTIMATE.start_main_~i~4 23), 199169#(<= ULTIMATE.start_main_~i~4 22), 199168#(<= ULTIMATE.start_main_~i~4 21), 199175#(<= ULTIMATE.start_main_~i~4 28), 199174#(<= ULTIMATE.start_main_~i~4 27), 199173#(<= ULTIMATE.start_main_~i~4 26), 199172#(<= ULTIMATE.start_main_~i~4 25), 199179#(<= ULTIMATE.start_main_~i~4 32), 199178#(<= ULTIMATE.start_main_~i~4 31), 199177#(<= ULTIMATE.start_main_~i~4 30), 199176#(<= ULTIMATE.start_main_~i~4 29), 199183#(<= ULTIMATE.start_main_~i~4 36), 199182#(<= ULTIMATE.start_main_~i~4 35), 199181#(<= ULTIMATE.start_main_~i~4 34), 199180#(<= ULTIMATE.start_main_~i~4 33), 199187#(<= ULTIMATE.start_main_~i~4 40), 199186#(<= ULTIMATE.start_main_~i~4 39), 199185#(<= ULTIMATE.start_main_~i~4 38), 199184#(<= ULTIMATE.start_main_~i~4 37), 199191#(<= ULTIMATE.start_main_~i~4 44), 199190#(<= ULTIMATE.start_main_~i~4 43), 199189#(<= ULTIMATE.start_main_~i~4 42), 199188#(<= ULTIMATE.start_main_~i~4 41), 199195#(<= ULTIMATE.start_main_~i~4 48), 199194#(<= ULTIMATE.start_main_~i~4 47), 199193#(<= ULTIMATE.start_main_~i~4 46), 199192#(<= ULTIMATE.start_main_~i~4 45), 199199#(<= ULTIMATE.start_main_~i~4 52), 199198#(<= ULTIMATE.start_main_~i~4 51), 199197#(<= ULTIMATE.start_main_~i~4 50), 199196#(<= ULTIMATE.start_main_~i~4 49), 199203#(<= ULTIMATE.start_main_~i~4 56), 199202#(<= ULTIMATE.start_main_~i~4 55), 199201#(<= ULTIMATE.start_main_~i~4 54), 199200#(<= ULTIMATE.start_main_~i~4 53), 199207#(<= ULTIMATE.start_main_~i~4 60), 199206#(<= ULTIMATE.start_main_~i~4 59), 199205#(<= ULTIMATE.start_main_~i~4 58), 199204#(<= ULTIMATE.start_main_~i~4 57), 199211#(<= ULTIMATE.start_main_~i~4 64), 199210#(<= ULTIMATE.start_main_~i~4 63), 199209#(<= ULTIMATE.start_main_~i~4 62), 199208#(<= ULTIMATE.start_main_~i~4 61), 199215#(<= ULTIMATE.start_main_~i~4 68), 199214#(<= ULTIMATE.start_main_~i~4 67), 199213#(<= ULTIMATE.start_main_~i~4 66), 199212#(<= ULTIMATE.start_main_~i~4 65), 199219#(<= ULTIMATE.start_main_~i~4 72), 199218#(<= ULTIMATE.start_main_~i~4 71), 199217#(<= ULTIMATE.start_main_~i~4 70), 199216#(<= ULTIMATE.start_main_~i~4 69), 199223#(<= ULTIMATE.start_main_~i~4 76), 199222#(<= ULTIMATE.start_main_~i~4 75), 199221#(<= ULTIMATE.start_main_~i~4 74), 199220#(<= ULTIMATE.start_main_~i~4 73), 199227#(<= ULTIMATE.start_main_~i~4 80), 199226#(<= ULTIMATE.start_main_~i~4 79), 199225#(<= ULTIMATE.start_main_~i~4 78), 199224#(<= ULTIMATE.start_main_~i~4 77), 199231#(<= ULTIMATE.start_main_~i~4 84), 199230#(<= ULTIMATE.start_main_~i~4 83), 199229#(<= ULTIMATE.start_main_~i~4 82), 199228#(<= ULTIMATE.start_main_~i~4 81), 199235#(<= ULTIMATE.start_main_~i~4 88), 199234#(<= ULTIMATE.start_main_~i~4 87), 199233#(<= ULTIMATE.start_main_~i~4 86), 199232#(<= ULTIMATE.start_main_~i~4 85), 199239#(<= ULTIMATE.start_main_~i~4 92), 199238#(<= ULTIMATE.start_main_~i~4 91), 199237#(<= ULTIMATE.start_main_~i~4 90), 199236#(<= ULTIMATE.start_main_~i~4 89), 199243#(<= ULTIMATE.start_main_~i~4 96), 199242#(<= ULTIMATE.start_main_~i~4 95), 199241#(<= ULTIMATE.start_main_~i~4 94), 199240#(<= ULTIMATE.start_main_~i~4 93), 199247#(<= ULTIMATE.start_main_~i~4 100), 199246#(<= ULTIMATE.start_main_~i~4 99), 199245#(<= ULTIMATE.start_main_~i~4 98), 199244#(<= ULTIMATE.start_main_~i~4 97), 199251#(<= ULTIMATE.start_main_~i~4 104), 199250#(<= ULTIMATE.start_main_~i~4 103), 199249#(<= ULTIMATE.start_main_~i~4 102), 199248#(<= ULTIMATE.start_main_~i~4 101), 199255#(<= ULTIMATE.start_main_~i~4 108), 199254#(<= ULTIMATE.start_main_~i~4 107), 199253#(<= ULTIMATE.start_main_~i~4 106), 199252#(<= ULTIMATE.start_main_~i~4 105), 199259#(<= ULTIMATE.start_main_~i~4 112), 199258#(<= ULTIMATE.start_main_~i~4 111), 199257#(<= ULTIMATE.start_main_~i~4 110), 199256#(<= ULTIMATE.start_main_~i~4 109), 199263#(<= ULTIMATE.start_main_~i~4 116), 199262#(<= ULTIMATE.start_main_~i~4 115), 199261#(<= ULTIMATE.start_main_~i~4 114), 199260#(<= ULTIMATE.start_main_~i~4 113), 199267#(<= ULTIMATE.start_main_~i~4 120), 199266#(<= ULTIMATE.start_main_~i~4 119), 199265#(<= ULTIMATE.start_main_~i~4 118), 199264#(<= ULTIMATE.start_main_~i~4 117), 199271#(<= ULTIMATE.start_main_~i~4 124), 199270#(<= ULTIMATE.start_main_~i~4 123), 199269#(<= ULTIMATE.start_main_~i~4 122), 199268#(<= ULTIMATE.start_main_~i~4 121), 199275#(<= ULTIMATE.start_main_~i~4 128), 199274#(<= ULTIMATE.start_main_~i~4 127), 199273#(<= ULTIMATE.start_main_~i~4 126), 199272#(<= ULTIMATE.start_main_~i~4 125), 199279#(<= ULTIMATE.start_main_~i~4 132), 199278#(<= ULTIMATE.start_main_~i~4 131), 199277#(<= ULTIMATE.start_main_~i~4 130), 199276#(<= ULTIMATE.start_main_~i~4 129), 199283#(<= ULTIMATE.start_main_~i~4 136), 199282#(<= ULTIMATE.start_main_~i~4 135), 199281#(<= ULTIMATE.start_main_~i~4 134), 199280#(<= ULTIMATE.start_main_~i~4 133), 199287#(<= ULTIMATE.start_main_~i~4 140), 199286#(<= ULTIMATE.start_main_~i~4 139), 199285#(<= ULTIMATE.start_main_~i~4 138), 199284#(<= ULTIMATE.start_main_~i~4 137), 199291#(<= ULTIMATE.start_main_~i~4 144), 199290#(<= ULTIMATE.start_main_~i~4 143), 199289#(<= ULTIMATE.start_main_~i~4 142), 199288#(<= ULTIMATE.start_main_~i~4 141), 199295#(<= ULTIMATE.start_main_~i~4 148), 199294#(<= ULTIMATE.start_main_~i~4 147), 199293#(<= ULTIMATE.start_main_~i~4 146), 199292#(<= ULTIMATE.start_main_~i~4 145), 199299#(<= ULTIMATE.start_main_~i~4 152), 199298#(<= ULTIMATE.start_main_~i~4 151), 199297#(<= ULTIMATE.start_main_~i~4 150), 199296#(<= ULTIMATE.start_main_~i~4 149), 199303#(<= ULTIMATE.start_main_~i~4 156), 199302#(<= ULTIMATE.start_main_~i~4 155), 199301#(<= ULTIMATE.start_main_~i~4 154), 199300#(<= ULTIMATE.start_main_~i~4 153), 199307#(<= ULTIMATE.start_main_~i~4 160), 199306#(<= ULTIMATE.start_main_~i~4 159), 199305#(<= ULTIMATE.start_main_~i~4 158), 199304#(<= ULTIMATE.start_main_~i~4 157), 199311#(<= ULTIMATE.start_main_~i~4 164), 199310#(<= ULTIMATE.start_main_~i~4 163), 199309#(<= ULTIMATE.start_main_~i~4 162), 199308#(<= ULTIMATE.start_main_~i~4 161), 199315#(<= ULTIMATE.start_main_~i~4 168), 199314#(<= ULTIMATE.start_main_~i~4 167), 199313#(<= ULTIMATE.start_main_~i~4 166), 199312#(<= ULTIMATE.start_main_~i~4 165), 199319#(<= ULTIMATE.start_main_~i~4 172), 199318#(<= ULTIMATE.start_main_~i~4 171), 199317#(<= ULTIMATE.start_main_~i~4 170), 199316#(<= ULTIMATE.start_main_~i~4 169), 199323#(<= ULTIMATE.start_main_~i~4 176), 199322#(<= ULTIMATE.start_main_~i~4 175), 199321#(<= ULTIMATE.start_main_~i~4 174), 199320#(<= ULTIMATE.start_main_~i~4 173), 199327#(<= ULTIMATE.start_main_~i~4 180), 199326#(<= ULTIMATE.start_main_~i~4 179), 199325#(<= ULTIMATE.start_main_~i~4 178), 199324#(<= ULTIMATE.start_main_~i~4 177), 199331#(<= ULTIMATE.start_main_~i~4 184), 199330#(<= ULTIMATE.start_main_~i~4 183), 199329#(<= ULTIMATE.start_main_~i~4 182), 199328#(<= ULTIMATE.start_main_~i~4 181), 199335#(<= ULTIMATE.start_main_~i~4 188), 199334#(<= ULTIMATE.start_main_~i~4 187), 199333#(<= ULTIMATE.start_main_~i~4 186), 199332#(<= ULTIMATE.start_main_~i~4 185), 199339#(<= ULTIMATE.start_main_~i~4 192), 199338#(<= ULTIMATE.start_main_~i~4 191), 199337#(<= ULTIMATE.start_main_~i~4 190), 199336#(<= ULTIMATE.start_main_~i~4 189), 199343#(<= ULTIMATE.start_main_~i~4 196), 199342#(<= ULTIMATE.start_main_~i~4 195), 199341#(<= ULTIMATE.start_main_~i~4 194), 199340#(<= ULTIMATE.start_main_~i~4 193), 199347#(<= ULTIMATE.start_main_~i~4 200), 199346#(<= ULTIMATE.start_main_~i~4 199), 199345#(<= ULTIMATE.start_main_~i~4 198), 199344#(<= ULTIMATE.start_main_~i~4 197), 199351#(<= ULTIMATE.start_main_~i~4 204), 199350#(<= ULTIMATE.start_main_~i~4 203), 199349#(<= ULTIMATE.start_main_~i~4 202), 199348#(<= ULTIMATE.start_main_~i~4 201), 199354#(<= ULTIMATE.start_main_~i~4 207), 199353#(<= ULTIMATE.start_main_~i~4 206), 199352#(<= ULTIMATE.start_main_~i~4 205), 199147#(<= ULTIMATE.start_main_~i~4 0), 199146#false, 199145#true, 199151#(<= ULTIMATE.start_main_~i~4 4), 199150#(<= ULTIMATE.start_main_~i~4 3), 199149#(<= ULTIMATE.start_main_~i~4 2), 199148#(<= ULTIMATE.start_main_~i~4 1), 199155#(<= ULTIMATE.start_main_~i~4 8), 199154#(<= ULTIMATE.start_main_~i~4 7), 199153#(<= ULTIMATE.start_main_~i~4 6), 199152#(<= ULTIMATE.start_main_~i~4 5), 199159#(<= ULTIMATE.start_main_~i~4 12), 199158#(<= ULTIMATE.start_main_~i~4 11), 199157#(<= ULTIMATE.start_main_~i~4 10), 199156#(<= ULTIMATE.start_main_~i~4 9), 199163#(<= ULTIMATE.start_main_~i~4 16), 199162#(<= ULTIMATE.start_main_~i~4 15), 199161#(<= ULTIMATE.start_main_~i~4 14), 199160#(<= ULTIMATE.start_main_~i~4 13), 199167#(<= ULTIMATE.start_main_~i~4 20), 199166#(<= ULTIMATE.start_main_~i~4 19), 199165#(<= ULTIMATE.start_main_~i~4 18), 199164#(<= ULTIMATE.start_main_~i~4 17)] [2018-07-23 13:46:11,243 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 13:46:11,243 INFO L450 AbstractCegarLoop]: Interpolant automaton has 210 states [2018-07-23 13:46:11,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2018-07-23 13:46:11,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:46:11,247 INFO L87 Difference]: Start difference. First operand 419 states and 419 transitions. Second operand 210 states. [2018-07-23 13:46:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:13,840 INFO L93 Difference]: Finished difference Result 423 states and 423 transitions. [2018-07-23 13:46:13,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2018-07-23 13:46:13,840 INFO L78 Accepts]: Start accepts. Automaton has 210 states. Word has length 418 [2018-07-23 13:46:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:13,841 INFO L225 Difference]: With dead ends: 423 [2018-07-23 13:46:13,841 INFO L226 Difference]: Without dead ends: 421 [2018-07-23 13:46:13,843 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21945, Invalid=21945, Unknown=0, NotChecked=0, Total=43890 [2018-07-23 13:46:13,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-07-23 13:46:13,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2018-07-23 13:46:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-07-23 13:46:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 421 transitions. [2018-07-23 13:46:13,848 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 421 transitions. Word has length 418 [2018-07-23 13:46:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:13,848 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 421 transitions. [2018-07-23 13:46:13,848 INFO L472 AbstractCegarLoop]: Interpolant automaton has 210 states. [2018-07-23 13:46:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 421 transitions. [2018-07-23 13:46:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-07-23 13:46:13,850 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:13,850 INFO L357 BasicCegarLoop]: trace histogram [209, 208, 1, 1, 1] [2018-07-23 13:46:13,850 INFO L414 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:13,850 INFO L82 PathProgramCache]: Analyzing trace with hash 469576423, now seen corresponding path program 208 times [2018-07-23 13:46:13,850 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:15,335 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 13:46:15,336 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:15,336 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [210] total 210 [2018-07-23 13:46:15,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,337 INFO L185 omatonBuilderFactory]: Interpolants [201219#(<= ULTIMATE.start_main_~i~4 174), 201218#(<= ULTIMATE.start_main_~i~4 173), 201217#(<= ULTIMATE.start_main_~i~4 172), 201216#(<= ULTIMATE.start_main_~i~4 171), 201223#(<= ULTIMATE.start_main_~i~4 178), 201222#(<= ULTIMATE.start_main_~i~4 177), 201221#(<= ULTIMATE.start_main_~i~4 176), 201220#(<= ULTIMATE.start_main_~i~4 175), 201227#(<= ULTIMATE.start_main_~i~4 182), 201226#(<= ULTIMATE.start_main_~i~4 181), 201225#(<= ULTIMATE.start_main_~i~4 180), 201224#(<= ULTIMATE.start_main_~i~4 179), 201231#(<= ULTIMATE.start_main_~i~4 186), 201230#(<= ULTIMATE.start_main_~i~4 185), 201229#(<= ULTIMATE.start_main_~i~4 184), 201228#(<= ULTIMATE.start_main_~i~4 183), 201235#(<= ULTIMATE.start_main_~i~4 190), 201234#(<= ULTIMATE.start_main_~i~4 189), 201233#(<= ULTIMATE.start_main_~i~4 188), 201232#(<= ULTIMATE.start_main_~i~4 187), 201239#(<= ULTIMATE.start_main_~i~4 194), 201238#(<= ULTIMATE.start_main_~i~4 193), 201237#(<= ULTIMATE.start_main_~i~4 192), 201236#(<= ULTIMATE.start_main_~i~4 191), 201243#(<= ULTIMATE.start_main_~i~4 198), 201242#(<= ULTIMATE.start_main_~i~4 197), 201241#(<= ULTIMATE.start_main_~i~4 196), 201240#(<= ULTIMATE.start_main_~i~4 195), 201247#(<= ULTIMATE.start_main_~i~4 202), 201246#(<= ULTIMATE.start_main_~i~4 201), 201245#(<= ULTIMATE.start_main_~i~4 200), 201244#(<= ULTIMATE.start_main_~i~4 199), 201251#(<= ULTIMATE.start_main_~i~4 206), 201250#(<= ULTIMATE.start_main_~i~4 205), 201249#(<= ULTIMATE.start_main_~i~4 204), 201248#(<= ULTIMATE.start_main_~i~4 203), 201253#(<= ULTIMATE.start_main_~i~4 208), 201252#(<= ULTIMATE.start_main_~i~4 207), 201043#true, 201047#(<= ULTIMATE.start_main_~i~4 2), 201046#(<= ULTIMATE.start_main_~i~4 1), 201045#(<= ULTIMATE.start_main_~i~4 0), 201044#false, 201051#(<= ULTIMATE.start_main_~i~4 6), 201050#(<= ULTIMATE.start_main_~i~4 5), 201049#(<= ULTIMATE.start_main_~i~4 4), 201048#(<= ULTIMATE.start_main_~i~4 3), 201055#(<= ULTIMATE.start_main_~i~4 10), 201054#(<= ULTIMATE.start_main_~i~4 9), 201053#(<= ULTIMATE.start_main_~i~4 8), 201052#(<= ULTIMATE.start_main_~i~4 7), 201059#(<= ULTIMATE.start_main_~i~4 14), 201058#(<= ULTIMATE.start_main_~i~4 13), 201057#(<= ULTIMATE.start_main_~i~4 12), 201056#(<= ULTIMATE.start_main_~i~4 11), 201063#(<= ULTIMATE.start_main_~i~4 18), 201062#(<= ULTIMATE.start_main_~i~4 17), 201061#(<= ULTIMATE.start_main_~i~4 16), 201060#(<= ULTIMATE.start_main_~i~4 15), 201067#(<= ULTIMATE.start_main_~i~4 22), 201066#(<= ULTIMATE.start_main_~i~4 21), 201065#(<= ULTIMATE.start_main_~i~4 20), 201064#(<= ULTIMATE.start_main_~i~4 19), 201071#(<= ULTIMATE.start_main_~i~4 26), 201070#(<= ULTIMATE.start_main_~i~4 25), 201069#(<= ULTIMATE.start_main_~i~4 24), 201068#(<= ULTIMATE.start_main_~i~4 23), 201075#(<= ULTIMATE.start_main_~i~4 30), 201074#(<= ULTIMATE.start_main_~i~4 29), 201073#(<= ULTIMATE.start_main_~i~4 28), 201072#(<= ULTIMATE.start_main_~i~4 27), 201079#(<= ULTIMATE.start_main_~i~4 34), 201078#(<= ULTIMATE.start_main_~i~4 33), 201077#(<= ULTIMATE.start_main_~i~4 32), 201076#(<= ULTIMATE.start_main_~i~4 31), 201083#(<= ULTIMATE.start_main_~i~4 38), 201082#(<= ULTIMATE.start_main_~i~4 37), 201081#(<= ULTIMATE.start_main_~i~4 36), 201080#(<= ULTIMATE.start_main_~i~4 35), 201087#(<= ULTIMATE.start_main_~i~4 42), 201086#(<= ULTIMATE.start_main_~i~4 41), 201085#(<= ULTIMATE.start_main_~i~4 40), 201084#(<= ULTIMATE.start_main_~i~4 39), 201091#(<= ULTIMATE.start_main_~i~4 46), 201090#(<= ULTIMATE.start_main_~i~4 45), 201089#(<= ULTIMATE.start_main_~i~4 44), 201088#(<= ULTIMATE.start_main_~i~4 43), 201095#(<= ULTIMATE.start_main_~i~4 50), 201094#(<= ULTIMATE.start_main_~i~4 49), 201093#(<= ULTIMATE.start_main_~i~4 48), 201092#(<= ULTIMATE.start_main_~i~4 47), 201099#(<= ULTIMATE.start_main_~i~4 54), 201098#(<= ULTIMATE.start_main_~i~4 53), 201097#(<= ULTIMATE.start_main_~i~4 52), 201096#(<= ULTIMATE.start_main_~i~4 51), 201103#(<= ULTIMATE.start_main_~i~4 58), 201102#(<= ULTIMATE.start_main_~i~4 57), 201101#(<= ULTIMATE.start_main_~i~4 56), 201100#(<= ULTIMATE.start_main_~i~4 55), 201107#(<= ULTIMATE.start_main_~i~4 62), 201106#(<= ULTIMATE.start_main_~i~4 61), 201105#(<= ULTIMATE.start_main_~i~4 60), 201104#(<= ULTIMATE.start_main_~i~4 59), 201111#(<= ULTIMATE.start_main_~i~4 66), 201110#(<= ULTIMATE.start_main_~i~4 65), 201109#(<= ULTIMATE.start_main_~i~4 64), 201108#(<= ULTIMATE.start_main_~i~4 63), 201115#(<= ULTIMATE.start_main_~i~4 70), 201114#(<= ULTIMATE.start_main_~i~4 69), 201113#(<= ULTIMATE.start_main_~i~4 68), 201112#(<= ULTIMATE.start_main_~i~4 67), 201119#(<= ULTIMATE.start_main_~i~4 74), 201118#(<= ULTIMATE.start_main_~i~4 73), 201117#(<= ULTIMATE.start_main_~i~4 72), 201116#(<= ULTIMATE.start_main_~i~4 71), 201123#(<= ULTIMATE.start_main_~i~4 78), 201122#(<= ULTIMATE.start_main_~i~4 77), 201121#(<= ULTIMATE.start_main_~i~4 76), 201120#(<= ULTIMATE.start_main_~i~4 75), 201127#(<= ULTIMATE.start_main_~i~4 82), 201126#(<= ULTIMATE.start_main_~i~4 81), 201125#(<= ULTIMATE.start_main_~i~4 80), 201124#(<= ULTIMATE.start_main_~i~4 79), 201131#(<= ULTIMATE.start_main_~i~4 86), 201130#(<= ULTIMATE.start_main_~i~4 85), 201129#(<= ULTIMATE.start_main_~i~4 84), 201128#(<= ULTIMATE.start_main_~i~4 83), 201135#(<= ULTIMATE.start_main_~i~4 90), 201134#(<= ULTIMATE.start_main_~i~4 89), 201133#(<= ULTIMATE.start_main_~i~4 88), 201132#(<= ULTIMATE.start_main_~i~4 87), 201139#(<= ULTIMATE.start_main_~i~4 94), 201138#(<= ULTIMATE.start_main_~i~4 93), 201137#(<= ULTIMATE.start_main_~i~4 92), 201136#(<= ULTIMATE.start_main_~i~4 91), 201143#(<= ULTIMATE.start_main_~i~4 98), 201142#(<= ULTIMATE.start_main_~i~4 97), 201141#(<= ULTIMATE.start_main_~i~4 96), 201140#(<= ULTIMATE.start_main_~i~4 95), 201147#(<= ULTIMATE.start_main_~i~4 102), 201146#(<= ULTIMATE.start_main_~i~4 101), 201145#(<= ULTIMATE.start_main_~i~4 100), 201144#(<= ULTIMATE.start_main_~i~4 99), 201151#(<= ULTIMATE.start_main_~i~4 106), 201150#(<= ULTIMATE.start_main_~i~4 105), 201149#(<= ULTIMATE.start_main_~i~4 104), 201148#(<= ULTIMATE.start_main_~i~4 103), 201155#(<= ULTIMATE.start_main_~i~4 110), 201154#(<= ULTIMATE.start_main_~i~4 109), 201153#(<= ULTIMATE.start_main_~i~4 108), 201152#(<= ULTIMATE.start_main_~i~4 107), 201159#(<= ULTIMATE.start_main_~i~4 114), 201158#(<= ULTIMATE.start_main_~i~4 113), 201157#(<= ULTIMATE.start_main_~i~4 112), 201156#(<= ULTIMATE.start_main_~i~4 111), 201163#(<= ULTIMATE.start_main_~i~4 118), 201162#(<= ULTIMATE.start_main_~i~4 117), 201161#(<= ULTIMATE.start_main_~i~4 116), 201160#(<= ULTIMATE.start_main_~i~4 115), 201167#(<= ULTIMATE.start_main_~i~4 122), 201166#(<= ULTIMATE.start_main_~i~4 121), 201165#(<= ULTIMATE.start_main_~i~4 120), 201164#(<= ULTIMATE.start_main_~i~4 119), 201171#(<= ULTIMATE.start_main_~i~4 126), 201170#(<= ULTIMATE.start_main_~i~4 125), 201169#(<= ULTIMATE.start_main_~i~4 124), 201168#(<= ULTIMATE.start_main_~i~4 123), 201175#(<= ULTIMATE.start_main_~i~4 130), 201174#(<= ULTIMATE.start_main_~i~4 129), 201173#(<= ULTIMATE.start_main_~i~4 128), 201172#(<= ULTIMATE.start_main_~i~4 127), 201179#(<= ULTIMATE.start_main_~i~4 134), 201178#(<= ULTIMATE.start_main_~i~4 133), 201177#(<= ULTIMATE.start_main_~i~4 132), 201176#(<= ULTIMATE.start_main_~i~4 131), 201183#(<= ULTIMATE.start_main_~i~4 138), 201182#(<= ULTIMATE.start_main_~i~4 137), 201181#(<= ULTIMATE.start_main_~i~4 136), 201180#(<= ULTIMATE.start_main_~i~4 135), 201187#(<= ULTIMATE.start_main_~i~4 142), 201186#(<= ULTIMATE.start_main_~i~4 141), 201185#(<= ULTIMATE.start_main_~i~4 140), 201184#(<= ULTIMATE.start_main_~i~4 139), 201191#(<= ULTIMATE.start_main_~i~4 146), 201190#(<= ULTIMATE.start_main_~i~4 145), 201189#(<= ULTIMATE.start_main_~i~4 144), 201188#(<= ULTIMATE.start_main_~i~4 143), 201195#(<= ULTIMATE.start_main_~i~4 150), 201194#(<= ULTIMATE.start_main_~i~4 149), 201193#(<= ULTIMATE.start_main_~i~4 148), 201192#(<= ULTIMATE.start_main_~i~4 147), 201199#(<= ULTIMATE.start_main_~i~4 154), 201198#(<= ULTIMATE.start_main_~i~4 153), 201197#(<= ULTIMATE.start_main_~i~4 152), 201196#(<= ULTIMATE.start_main_~i~4 151), 201203#(<= ULTIMATE.start_main_~i~4 158), 201202#(<= ULTIMATE.start_main_~i~4 157), 201201#(<= ULTIMATE.start_main_~i~4 156), 201200#(<= ULTIMATE.start_main_~i~4 155), 201207#(<= ULTIMATE.start_main_~i~4 162), 201206#(<= ULTIMATE.start_main_~i~4 161), 201205#(<= ULTIMATE.start_main_~i~4 160), 201204#(<= ULTIMATE.start_main_~i~4 159), 201211#(<= ULTIMATE.start_main_~i~4 166), 201210#(<= ULTIMATE.start_main_~i~4 165), 201209#(<= ULTIMATE.start_main_~i~4 164), 201208#(<= ULTIMATE.start_main_~i~4 163), 201215#(<= ULTIMATE.start_main_~i~4 170), 201214#(<= ULTIMATE.start_main_~i~4 169), 201213#(<= ULTIMATE.start_main_~i~4 168), 201212#(<= ULTIMATE.start_main_~i~4 167)] [2018-07-23 13:46:15,339 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 13:46:15,339 INFO L450 AbstractCegarLoop]: Interpolant automaton has 211 states [2018-07-23 13:46:15,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2018-07-23 13:46:15,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22155, Invalid=22155, Unknown=0, NotChecked=0, Total=44310 [2018-07-23 13:46:15,346 INFO L87 Difference]: Start difference. First operand 421 states and 421 transitions. Second operand 211 states. [2018-07-23 13:46:16,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:16,932 INFO L93 Difference]: Finished difference Result 425 states and 425 transitions. [2018-07-23 13:46:16,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2018-07-23 13:46:16,933 INFO L78 Accepts]: Start accepts. Automaton has 211 states. Word has length 420 [2018-07-23 13:46:16,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:16,933 INFO L225 Difference]: With dead ends: 425 [2018-07-23 13:46:16,933 INFO L226 Difference]: Without dead ends: 423 [2018-07-23 13:46:16,937 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 13:46:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-07-23 13:46:16,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-07-23 13:46:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-07-23 13:46:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 423 transitions. [2018-07-23 13:46:16,942 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 423 transitions. Word has length 420 [2018-07-23 13:46:16,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:16,942 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 423 transitions. [2018-07-23 13:46:16,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 211 states. [2018-07-23 13:46:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 423 transitions. [2018-07-23 13:46:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-07-23 13:46:16,944 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:16,944 INFO L357 BasicCegarLoop]: trace histogram [210, 209, 1, 1, 1] [2018-07-23 13:46:16,944 INFO L414 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:16,944 INFO L82 PathProgramCache]: Analyzing trace with hash 291428513, now seen corresponding path program 209 times [2018-07-23 13:46:16,944 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:18,493 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 13:46:18,493 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:18,493 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [211] total 211 [2018-07-23 13:46:18,494 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:18,494 INFO L185 omatonBuilderFactory]: Interpolants [202951#false, 202950#true, 202955#(<= ULTIMATE.start_main_~i~4 3), 202954#(<= ULTIMATE.start_main_~i~4 2), 202953#(<= ULTIMATE.start_main_~i~4 1), 202952#(<= ULTIMATE.start_main_~i~4 0), 202959#(<= ULTIMATE.start_main_~i~4 7), 202958#(<= ULTIMATE.start_main_~i~4 6), 202957#(<= ULTIMATE.start_main_~i~4 5), 202956#(<= ULTIMATE.start_main_~i~4 4), 202963#(<= ULTIMATE.start_main_~i~4 11), 202962#(<= ULTIMATE.start_main_~i~4 10), 202961#(<= ULTIMATE.start_main_~i~4 9), 202960#(<= ULTIMATE.start_main_~i~4 8), 202967#(<= ULTIMATE.start_main_~i~4 15), 202966#(<= ULTIMATE.start_main_~i~4 14), 202965#(<= ULTIMATE.start_main_~i~4 13), 202964#(<= ULTIMATE.start_main_~i~4 12), 202971#(<= ULTIMATE.start_main_~i~4 19), 202970#(<= ULTIMATE.start_main_~i~4 18), 202969#(<= ULTIMATE.start_main_~i~4 17), 202968#(<= ULTIMATE.start_main_~i~4 16), 202975#(<= ULTIMATE.start_main_~i~4 23), 202974#(<= ULTIMATE.start_main_~i~4 22), 202973#(<= ULTIMATE.start_main_~i~4 21), 202972#(<= ULTIMATE.start_main_~i~4 20), 202979#(<= ULTIMATE.start_main_~i~4 27), 202978#(<= ULTIMATE.start_main_~i~4 26), 202977#(<= ULTIMATE.start_main_~i~4 25), 202976#(<= ULTIMATE.start_main_~i~4 24), 202983#(<= ULTIMATE.start_main_~i~4 31), 202982#(<= ULTIMATE.start_main_~i~4 30), 202981#(<= ULTIMATE.start_main_~i~4 29), 202980#(<= ULTIMATE.start_main_~i~4 28), 202987#(<= ULTIMATE.start_main_~i~4 35), 202986#(<= ULTIMATE.start_main_~i~4 34), 202985#(<= ULTIMATE.start_main_~i~4 33), 202984#(<= ULTIMATE.start_main_~i~4 32), 202991#(<= ULTIMATE.start_main_~i~4 39), 202990#(<= ULTIMATE.start_main_~i~4 38), 202989#(<= ULTIMATE.start_main_~i~4 37), 202988#(<= ULTIMATE.start_main_~i~4 36), 202995#(<= ULTIMATE.start_main_~i~4 43), 202994#(<= ULTIMATE.start_main_~i~4 42), 202993#(<= ULTIMATE.start_main_~i~4 41), 202992#(<= ULTIMATE.start_main_~i~4 40), 202999#(<= ULTIMATE.start_main_~i~4 47), 202998#(<= ULTIMATE.start_main_~i~4 46), 202997#(<= ULTIMATE.start_main_~i~4 45), 202996#(<= ULTIMATE.start_main_~i~4 44), 203003#(<= ULTIMATE.start_main_~i~4 51), 203002#(<= ULTIMATE.start_main_~i~4 50), 203001#(<= ULTIMATE.start_main_~i~4 49), 203000#(<= ULTIMATE.start_main_~i~4 48), 203007#(<= ULTIMATE.start_main_~i~4 55), 203006#(<= ULTIMATE.start_main_~i~4 54), 203005#(<= ULTIMATE.start_main_~i~4 53), 203004#(<= ULTIMATE.start_main_~i~4 52), 203011#(<= ULTIMATE.start_main_~i~4 59), 203010#(<= ULTIMATE.start_main_~i~4 58), 203009#(<= ULTIMATE.start_main_~i~4 57), 203008#(<= ULTIMATE.start_main_~i~4 56), 203015#(<= ULTIMATE.start_main_~i~4 63), 203014#(<= ULTIMATE.start_main_~i~4 62), 203013#(<= ULTIMATE.start_main_~i~4 61), 203012#(<= ULTIMATE.start_main_~i~4 60), 203019#(<= ULTIMATE.start_main_~i~4 67), 203018#(<= ULTIMATE.start_main_~i~4 66), 203017#(<= ULTIMATE.start_main_~i~4 65), 203016#(<= ULTIMATE.start_main_~i~4 64), 203023#(<= ULTIMATE.start_main_~i~4 71), 203022#(<= ULTIMATE.start_main_~i~4 70), 203021#(<= ULTIMATE.start_main_~i~4 69), 203020#(<= ULTIMATE.start_main_~i~4 68), 203027#(<= ULTIMATE.start_main_~i~4 75), 203026#(<= ULTIMATE.start_main_~i~4 74), 203025#(<= ULTIMATE.start_main_~i~4 73), 203024#(<= ULTIMATE.start_main_~i~4 72), 203031#(<= ULTIMATE.start_main_~i~4 79), 203030#(<= ULTIMATE.start_main_~i~4 78), 203029#(<= ULTIMATE.start_main_~i~4 77), 203028#(<= ULTIMATE.start_main_~i~4 76), 203035#(<= ULTIMATE.start_main_~i~4 83), 203034#(<= ULTIMATE.start_main_~i~4 82), 203033#(<= ULTIMATE.start_main_~i~4 81), 203032#(<= ULTIMATE.start_main_~i~4 80), 203039#(<= ULTIMATE.start_main_~i~4 87), 203038#(<= ULTIMATE.start_main_~i~4 86), 203037#(<= ULTIMATE.start_main_~i~4 85), 203036#(<= ULTIMATE.start_main_~i~4 84), 203043#(<= ULTIMATE.start_main_~i~4 91), 203042#(<= ULTIMATE.start_main_~i~4 90), 203041#(<= ULTIMATE.start_main_~i~4 89), 203040#(<= ULTIMATE.start_main_~i~4 88), 203047#(<= ULTIMATE.start_main_~i~4 95), 203046#(<= ULTIMATE.start_main_~i~4 94), 203045#(<= ULTIMATE.start_main_~i~4 93), 203044#(<= ULTIMATE.start_main_~i~4 92), 203051#(<= ULTIMATE.start_main_~i~4 99), 203050#(<= ULTIMATE.start_main_~i~4 98), 203049#(<= ULTIMATE.start_main_~i~4 97), 203048#(<= ULTIMATE.start_main_~i~4 96), 203055#(<= ULTIMATE.start_main_~i~4 103), 203054#(<= ULTIMATE.start_main_~i~4 102), 203053#(<= ULTIMATE.start_main_~i~4 101), 203052#(<= ULTIMATE.start_main_~i~4 100), 203059#(<= ULTIMATE.start_main_~i~4 107), 203058#(<= ULTIMATE.start_main_~i~4 106), 203057#(<= ULTIMATE.start_main_~i~4 105), 203056#(<= ULTIMATE.start_main_~i~4 104), 203063#(<= ULTIMATE.start_main_~i~4 111), 203062#(<= ULTIMATE.start_main_~i~4 110), 203061#(<= ULTIMATE.start_main_~i~4 109), 203060#(<= ULTIMATE.start_main_~i~4 108), 203067#(<= ULTIMATE.start_main_~i~4 115), 203066#(<= ULTIMATE.start_main_~i~4 114), 203065#(<= ULTIMATE.start_main_~i~4 113), 203064#(<= ULTIMATE.start_main_~i~4 112), 203071#(<= ULTIMATE.start_main_~i~4 119), 203070#(<= ULTIMATE.start_main_~i~4 118), 203069#(<= ULTIMATE.start_main_~i~4 117), 203068#(<= ULTIMATE.start_main_~i~4 116), 203075#(<= ULTIMATE.start_main_~i~4 123), 203074#(<= ULTIMATE.start_main_~i~4 122), 203073#(<= ULTIMATE.start_main_~i~4 121), 203072#(<= ULTIMATE.start_main_~i~4 120), 203079#(<= ULTIMATE.start_main_~i~4 127), 203078#(<= ULTIMATE.start_main_~i~4 126), 203077#(<= ULTIMATE.start_main_~i~4 125), 203076#(<= ULTIMATE.start_main_~i~4 124), 203083#(<= ULTIMATE.start_main_~i~4 131), 203082#(<= ULTIMATE.start_main_~i~4 130), 203081#(<= ULTIMATE.start_main_~i~4 129), 203080#(<= ULTIMATE.start_main_~i~4 128), 203087#(<= ULTIMATE.start_main_~i~4 135), 203086#(<= ULTIMATE.start_main_~i~4 134), 203085#(<= ULTIMATE.start_main_~i~4 133), 203084#(<= ULTIMATE.start_main_~i~4 132), 203091#(<= ULTIMATE.start_main_~i~4 139), 203090#(<= ULTIMATE.start_main_~i~4 138), 203089#(<= ULTIMATE.start_main_~i~4 137), 203088#(<= ULTIMATE.start_main_~i~4 136), 203095#(<= ULTIMATE.start_main_~i~4 143), 203094#(<= ULTIMATE.start_main_~i~4 142), 203093#(<= ULTIMATE.start_main_~i~4 141), 203092#(<= ULTIMATE.start_main_~i~4 140), 203099#(<= ULTIMATE.start_main_~i~4 147), 203098#(<= ULTIMATE.start_main_~i~4 146), 203097#(<= ULTIMATE.start_main_~i~4 145), 203096#(<= ULTIMATE.start_main_~i~4 144), 203103#(<= ULTIMATE.start_main_~i~4 151), 203102#(<= ULTIMATE.start_main_~i~4 150), 203101#(<= ULTIMATE.start_main_~i~4 149), 203100#(<= ULTIMATE.start_main_~i~4 148), 203107#(<= ULTIMATE.start_main_~i~4 155), 203106#(<= ULTIMATE.start_main_~i~4 154), 203105#(<= ULTIMATE.start_main_~i~4 153), 203104#(<= ULTIMATE.start_main_~i~4 152), 203111#(<= ULTIMATE.start_main_~i~4 159), 203110#(<= ULTIMATE.start_main_~i~4 158), 203109#(<= ULTIMATE.start_main_~i~4 157), 203108#(<= ULTIMATE.start_main_~i~4 156), 203115#(<= ULTIMATE.start_main_~i~4 163), 203114#(<= ULTIMATE.start_main_~i~4 162), 203113#(<= ULTIMATE.start_main_~i~4 161), 203112#(<= ULTIMATE.start_main_~i~4 160), 203119#(<= ULTIMATE.start_main_~i~4 167), 203118#(<= ULTIMATE.start_main_~i~4 166), 203117#(<= ULTIMATE.start_main_~i~4 165), 203116#(<= ULTIMATE.start_main_~i~4 164), 203123#(<= ULTIMATE.start_main_~i~4 171), 203122#(<= ULTIMATE.start_main_~i~4 170), 203121#(<= ULTIMATE.start_main_~i~4 169), 203120#(<= ULTIMATE.start_main_~i~4 168), 203127#(<= ULTIMATE.start_main_~i~4 175), 203126#(<= ULTIMATE.start_main_~i~4 174), 203125#(<= ULTIMATE.start_main_~i~4 173), 203124#(<= ULTIMATE.start_main_~i~4 172), 203131#(<= ULTIMATE.start_main_~i~4 179), 203130#(<= ULTIMATE.start_main_~i~4 178), 203129#(<= ULTIMATE.start_main_~i~4 177), 203128#(<= ULTIMATE.start_main_~i~4 176), 203135#(<= ULTIMATE.start_main_~i~4 183), 203134#(<= ULTIMATE.start_main_~i~4 182), 203133#(<= ULTIMATE.start_main_~i~4 181), 203132#(<= ULTIMATE.start_main_~i~4 180), 203139#(<= ULTIMATE.start_main_~i~4 187), 203138#(<= ULTIMATE.start_main_~i~4 186), 203137#(<= ULTIMATE.start_main_~i~4 185), 203136#(<= ULTIMATE.start_main_~i~4 184), 203143#(<= ULTIMATE.start_main_~i~4 191), 203142#(<= ULTIMATE.start_main_~i~4 190), 203141#(<= ULTIMATE.start_main_~i~4 189), 203140#(<= ULTIMATE.start_main_~i~4 188), 203147#(<= ULTIMATE.start_main_~i~4 195), 203146#(<= ULTIMATE.start_main_~i~4 194), 203145#(<= ULTIMATE.start_main_~i~4 193), 203144#(<= ULTIMATE.start_main_~i~4 192), 203151#(<= ULTIMATE.start_main_~i~4 199), 203150#(<= ULTIMATE.start_main_~i~4 198), 203149#(<= ULTIMATE.start_main_~i~4 197), 203148#(<= ULTIMATE.start_main_~i~4 196), 203155#(<= ULTIMATE.start_main_~i~4 203), 203154#(<= ULTIMATE.start_main_~i~4 202), 203153#(<= ULTIMATE.start_main_~i~4 201), 203152#(<= ULTIMATE.start_main_~i~4 200), 203159#(<= ULTIMATE.start_main_~i~4 207), 203158#(<= ULTIMATE.start_main_~i~4 206), 203157#(<= ULTIMATE.start_main_~i~4 205), 203156#(<= ULTIMATE.start_main_~i~4 204), 203161#(<= ULTIMATE.start_main_~i~4 209), 203160#(<= ULTIMATE.start_main_~i~4 208)] [2018-07-23 13:46:18,496 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 13:46:18,497 INFO L450 AbstractCegarLoop]: Interpolant automaton has 212 states [2018-07-23 13:46:18,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2018-07-23 13:46:18,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:46:18,502 INFO L87 Difference]: Start difference. First operand 423 states and 423 transitions. Second operand 212 states. [2018-07-23 13:46:20,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:20,207 INFO L93 Difference]: Finished difference Result 427 states and 427 transitions. [2018-07-23 13:46:20,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2018-07-23 13:46:20,208 INFO L78 Accepts]: Start accepts. Automaton has 212 states. Word has length 422 [2018-07-23 13:46:20,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:20,208 INFO L225 Difference]: With dead ends: 427 [2018-07-23 13:46:20,208 INFO L226 Difference]: Without dead ends: 425 [2018-07-23 13:46:20,210 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22366, Invalid=22366, Unknown=0, NotChecked=0, Total=44732 [2018-07-23 13:46:20,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-07-23 13:46:20,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2018-07-23 13:46:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-07-23 13:46:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 425 transitions. [2018-07-23 13:46:20,214 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 425 transitions. Word has length 422 [2018-07-23 13:46:20,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:20,215 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 425 transitions. [2018-07-23 13:46:20,215 INFO L472 AbstractCegarLoop]: Interpolant automaton has 212 states. [2018-07-23 13:46:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 425 transitions. [2018-07-23 13:46:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-07-23 13:46:20,216 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:20,216 INFO L357 BasicCegarLoop]: trace histogram [211, 210, 1, 1, 1] [2018-07-23 13:46:20,216 INFO L414 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:20,216 INFO L82 PathProgramCache]: Analyzing trace with hash 889978843, now seen corresponding path program 210 times [2018-07-23 13:46:20,217 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:21,649 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 13:46:21,649 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:21,649 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [212] total 212 [2018-07-23 13:46:21,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,650 INFO L185 omatonBuilderFactory]: Interpolants [204867#false, 204866#true, 204871#(<= ULTIMATE.start_main_~i~4 3), 204870#(<= ULTIMATE.start_main_~i~4 2), 204869#(<= ULTIMATE.start_main_~i~4 1), 204868#(<= ULTIMATE.start_main_~i~4 0), 204875#(<= ULTIMATE.start_main_~i~4 7), 204874#(<= ULTIMATE.start_main_~i~4 6), 204873#(<= ULTIMATE.start_main_~i~4 5), 204872#(<= ULTIMATE.start_main_~i~4 4), 204879#(<= ULTIMATE.start_main_~i~4 11), 204878#(<= ULTIMATE.start_main_~i~4 10), 204877#(<= ULTIMATE.start_main_~i~4 9), 204876#(<= ULTIMATE.start_main_~i~4 8), 204883#(<= ULTIMATE.start_main_~i~4 15), 204882#(<= ULTIMATE.start_main_~i~4 14), 204881#(<= ULTIMATE.start_main_~i~4 13), 204880#(<= ULTIMATE.start_main_~i~4 12), 204887#(<= ULTIMATE.start_main_~i~4 19), 204886#(<= ULTIMATE.start_main_~i~4 18), 204885#(<= ULTIMATE.start_main_~i~4 17), 204884#(<= ULTIMATE.start_main_~i~4 16), 204891#(<= ULTIMATE.start_main_~i~4 23), 204890#(<= ULTIMATE.start_main_~i~4 22), 204889#(<= ULTIMATE.start_main_~i~4 21), 204888#(<= ULTIMATE.start_main_~i~4 20), 204895#(<= ULTIMATE.start_main_~i~4 27), 204894#(<= ULTIMATE.start_main_~i~4 26), 204893#(<= ULTIMATE.start_main_~i~4 25), 204892#(<= ULTIMATE.start_main_~i~4 24), 204899#(<= ULTIMATE.start_main_~i~4 31), 204898#(<= ULTIMATE.start_main_~i~4 30), 204897#(<= ULTIMATE.start_main_~i~4 29), 204896#(<= ULTIMATE.start_main_~i~4 28), 204903#(<= ULTIMATE.start_main_~i~4 35), 204902#(<= ULTIMATE.start_main_~i~4 34), 204901#(<= ULTIMATE.start_main_~i~4 33), 204900#(<= ULTIMATE.start_main_~i~4 32), 204907#(<= ULTIMATE.start_main_~i~4 39), 204906#(<= ULTIMATE.start_main_~i~4 38), 204905#(<= ULTIMATE.start_main_~i~4 37), 204904#(<= ULTIMATE.start_main_~i~4 36), 204911#(<= ULTIMATE.start_main_~i~4 43), 204910#(<= ULTIMATE.start_main_~i~4 42), 204909#(<= ULTIMATE.start_main_~i~4 41), 204908#(<= ULTIMATE.start_main_~i~4 40), 204915#(<= ULTIMATE.start_main_~i~4 47), 204914#(<= ULTIMATE.start_main_~i~4 46), 204913#(<= ULTIMATE.start_main_~i~4 45), 204912#(<= ULTIMATE.start_main_~i~4 44), 204919#(<= ULTIMATE.start_main_~i~4 51), 204918#(<= ULTIMATE.start_main_~i~4 50), 204917#(<= ULTIMATE.start_main_~i~4 49), 204916#(<= ULTIMATE.start_main_~i~4 48), 204923#(<= ULTIMATE.start_main_~i~4 55), 204922#(<= ULTIMATE.start_main_~i~4 54), 204921#(<= ULTIMATE.start_main_~i~4 53), 204920#(<= ULTIMATE.start_main_~i~4 52), 204927#(<= ULTIMATE.start_main_~i~4 59), 204926#(<= ULTIMATE.start_main_~i~4 58), 204925#(<= ULTIMATE.start_main_~i~4 57), 204924#(<= ULTIMATE.start_main_~i~4 56), 204931#(<= ULTIMATE.start_main_~i~4 63), 204930#(<= ULTIMATE.start_main_~i~4 62), 204929#(<= ULTIMATE.start_main_~i~4 61), 204928#(<= ULTIMATE.start_main_~i~4 60), 204935#(<= ULTIMATE.start_main_~i~4 67), 204934#(<= ULTIMATE.start_main_~i~4 66), 204933#(<= ULTIMATE.start_main_~i~4 65), 204932#(<= ULTIMATE.start_main_~i~4 64), 204939#(<= ULTIMATE.start_main_~i~4 71), 204938#(<= ULTIMATE.start_main_~i~4 70), 204937#(<= ULTIMATE.start_main_~i~4 69), 204936#(<= ULTIMATE.start_main_~i~4 68), 204943#(<= ULTIMATE.start_main_~i~4 75), 204942#(<= ULTIMATE.start_main_~i~4 74), 204941#(<= ULTIMATE.start_main_~i~4 73), 204940#(<= ULTIMATE.start_main_~i~4 72), 204947#(<= ULTIMATE.start_main_~i~4 79), 204946#(<= ULTIMATE.start_main_~i~4 78), 204945#(<= ULTIMATE.start_main_~i~4 77), 204944#(<= ULTIMATE.start_main_~i~4 76), 204951#(<= ULTIMATE.start_main_~i~4 83), 204950#(<= ULTIMATE.start_main_~i~4 82), 204949#(<= ULTIMATE.start_main_~i~4 81), 204948#(<= ULTIMATE.start_main_~i~4 80), 204955#(<= ULTIMATE.start_main_~i~4 87), 204954#(<= ULTIMATE.start_main_~i~4 86), 204953#(<= ULTIMATE.start_main_~i~4 85), 204952#(<= ULTIMATE.start_main_~i~4 84), 204959#(<= ULTIMATE.start_main_~i~4 91), 204958#(<= ULTIMATE.start_main_~i~4 90), 204957#(<= ULTIMATE.start_main_~i~4 89), 204956#(<= ULTIMATE.start_main_~i~4 88), 204963#(<= ULTIMATE.start_main_~i~4 95), 204962#(<= ULTIMATE.start_main_~i~4 94), 204961#(<= ULTIMATE.start_main_~i~4 93), 204960#(<= ULTIMATE.start_main_~i~4 92), 204967#(<= ULTIMATE.start_main_~i~4 99), 204966#(<= ULTIMATE.start_main_~i~4 98), 204965#(<= ULTIMATE.start_main_~i~4 97), 204964#(<= ULTIMATE.start_main_~i~4 96), 204971#(<= ULTIMATE.start_main_~i~4 103), 204970#(<= ULTIMATE.start_main_~i~4 102), 204969#(<= ULTIMATE.start_main_~i~4 101), 204968#(<= ULTIMATE.start_main_~i~4 100), 204975#(<= ULTIMATE.start_main_~i~4 107), 204974#(<= ULTIMATE.start_main_~i~4 106), 204973#(<= ULTIMATE.start_main_~i~4 105), 204972#(<= ULTIMATE.start_main_~i~4 104), 204979#(<= ULTIMATE.start_main_~i~4 111), 204978#(<= ULTIMATE.start_main_~i~4 110), 204977#(<= ULTIMATE.start_main_~i~4 109), 204976#(<= ULTIMATE.start_main_~i~4 108), 204983#(<= ULTIMATE.start_main_~i~4 115), 204982#(<= ULTIMATE.start_main_~i~4 114), 204981#(<= ULTIMATE.start_main_~i~4 113), 204980#(<= ULTIMATE.start_main_~i~4 112), 204987#(<= ULTIMATE.start_main_~i~4 119), 204986#(<= ULTIMATE.start_main_~i~4 118), 204985#(<= ULTIMATE.start_main_~i~4 117), 204984#(<= ULTIMATE.start_main_~i~4 116), 204991#(<= ULTIMATE.start_main_~i~4 123), 204990#(<= ULTIMATE.start_main_~i~4 122), 204989#(<= ULTIMATE.start_main_~i~4 121), 204988#(<= ULTIMATE.start_main_~i~4 120), 204995#(<= ULTIMATE.start_main_~i~4 127), 204994#(<= ULTIMATE.start_main_~i~4 126), 204993#(<= ULTIMATE.start_main_~i~4 125), 204992#(<= ULTIMATE.start_main_~i~4 124), 204999#(<= ULTIMATE.start_main_~i~4 131), 204998#(<= ULTIMATE.start_main_~i~4 130), 204997#(<= ULTIMATE.start_main_~i~4 129), 204996#(<= ULTIMATE.start_main_~i~4 128), 205003#(<= ULTIMATE.start_main_~i~4 135), 205002#(<= ULTIMATE.start_main_~i~4 134), 205001#(<= ULTIMATE.start_main_~i~4 133), 205000#(<= ULTIMATE.start_main_~i~4 132), 205007#(<= ULTIMATE.start_main_~i~4 139), 205006#(<= ULTIMATE.start_main_~i~4 138), 205005#(<= ULTIMATE.start_main_~i~4 137), 205004#(<= ULTIMATE.start_main_~i~4 136), 205011#(<= ULTIMATE.start_main_~i~4 143), 205010#(<= ULTIMATE.start_main_~i~4 142), 205009#(<= ULTIMATE.start_main_~i~4 141), 205008#(<= ULTIMATE.start_main_~i~4 140), 205015#(<= ULTIMATE.start_main_~i~4 147), 205014#(<= ULTIMATE.start_main_~i~4 146), 205013#(<= ULTIMATE.start_main_~i~4 145), 205012#(<= ULTIMATE.start_main_~i~4 144), 205019#(<= ULTIMATE.start_main_~i~4 151), 205018#(<= ULTIMATE.start_main_~i~4 150), 205017#(<= ULTIMATE.start_main_~i~4 149), 205016#(<= ULTIMATE.start_main_~i~4 148), 205023#(<= ULTIMATE.start_main_~i~4 155), 205022#(<= ULTIMATE.start_main_~i~4 154), 205021#(<= ULTIMATE.start_main_~i~4 153), 205020#(<= ULTIMATE.start_main_~i~4 152), 205027#(<= ULTIMATE.start_main_~i~4 159), 205026#(<= ULTIMATE.start_main_~i~4 158), 205025#(<= ULTIMATE.start_main_~i~4 157), 205024#(<= ULTIMATE.start_main_~i~4 156), 205031#(<= ULTIMATE.start_main_~i~4 163), 205030#(<= ULTIMATE.start_main_~i~4 162), 205029#(<= ULTIMATE.start_main_~i~4 161), 205028#(<= ULTIMATE.start_main_~i~4 160), 205035#(<= ULTIMATE.start_main_~i~4 167), 205034#(<= ULTIMATE.start_main_~i~4 166), 205033#(<= ULTIMATE.start_main_~i~4 165), 205032#(<= ULTIMATE.start_main_~i~4 164), 205039#(<= ULTIMATE.start_main_~i~4 171), 205038#(<= ULTIMATE.start_main_~i~4 170), 205037#(<= ULTIMATE.start_main_~i~4 169), 205036#(<= ULTIMATE.start_main_~i~4 168), 205043#(<= ULTIMATE.start_main_~i~4 175), 205042#(<= ULTIMATE.start_main_~i~4 174), 205041#(<= ULTIMATE.start_main_~i~4 173), 205040#(<= ULTIMATE.start_main_~i~4 172), 205047#(<= ULTIMATE.start_main_~i~4 179), 205046#(<= ULTIMATE.start_main_~i~4 178), 205045#(<= ULTIMATE.start_main_~i~4 177), 205044#(<= ULTIMATE.start_main_~i~4 176), 205051#(<= ULTIMATE.start_main_~i~4 183), 205050#(<= ULTIMATE.start_main_~i~4 182), 205049#(<= ULTIMATE.start_main_~i~4 181), 205048#(<= ULTIMATE.start_main_~i~4 180), 205055#(<= ULTIMATE.start_main_~i~4 187), 205054#(<= ULTIMATE.start_main_~i~4 186), 205053#(<= ULTIMATE.start_main_~i~4 185), 205052#(<= ULTIMATE.start_main_~i~4 184), 205059#(<= ULTIMATE.start_main_~i~4 191), 205058#(<= ULTIMATE.start_main_~i~4 190), 205057#(<= ULTIMATE.start_main_~i~4 189), 205056#(<= ULTIMATE.start_main_~i~4 188), 205063#(<= ULTIMATE.start_main_~i~4 195), 205062#(<= ULTIMATE.start_main_~i~4 194), 205061#(<= ULTIMATE.start_main_~i~4 193), 205060#(<= ULTIMATE.start_main_~i~4 192), 205067#(<= ULTIMATE.start_main_~i~4 199), 205066#(<= ULTIMATE.start_main_~i~4 198), 205065#(<= ULTIMATE.start_main_~i~4 197), 205064#(<= ULTIMATE.start_main_~i~4 196), 205071#(<= ULTIMATE.start_main_~i~4 203), 205070#(<= ULTIMATE.start_main_~i~4 202), 205069#(<= ULTIMATE.start_main_~i~4 201), 205068#(<= ULTIMATE.start_main_~i~4 200), 205075#(<= ULTIMATE.start_main_~i~4 207), 205074#(<= ULTIMATE.start_main_~i~4 206), 205073#(<= ULTIMATE.start_main_~i~4 205), 205072#(<= ULTIMATE.start_main_~i~4 204), 205078#(<= ULTIMATE.start_main_~i~4 210), 205077#(<= ULTIMATE.start_main_~i~4 209), 205076#(<= ULTIMATE.start_main_~i~4 208)] [2018-07-23 13:46:21,653 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 13:46:21,653 INFO L450 AbstractCegarLoop]: Interpolant automaton has 213 states [2018-07-23 13:46:21,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants. [2018-07-23 13:46:21,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22578, Invalid=22578, Unknown=0, NotChecked=0, Total=45156 [2018-07-23 13:46:21,663 INFO L87 Difference]: Start difference. First operand 425 states and 425 transitions. Second operand 213 states. [2018-07-23 13:46:24,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:24,620 INFO L93 Difference]: Finished difference Result 429 states and 429 transitions. [2018-07-23 13:46:24,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2018-07-23 13:46:24,620 INFO L78 Accepts]: Start accepts. Automaton has 213 states. Word has length 424 [2018-07-23 13:46:24,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:24,621 INFO L225 Difference]: With dead ends: 429 [2018-07-23 13:46:24,621 INFO L226 Difference]: Without dead ends: 427 [2018-07-23 13:46:24,626 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 13:46:24,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-07-23 13:46:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2018-07-23 13:46:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-07-23 13:46:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 427 transitions. [2018-07-23 13:46:24,631 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 427 transitions. Word has length 424 [2018-07-23 13:46:24,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:24,631 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 427 transitions. [2018-07-23 13:46:24,631 INFO L472 AbstractCegarLoop]: Interpolant automaton has 213 states. [2018-07-23 13:46:24,631 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 427 transitions. [2018-07-23 13:46:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2018-07-23 13:46:24,633 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:24,633 INFO L357 BasicCegarLoop]: trace histogram [212, 211, 1, 1, 1] [2018-07-23 13:46:24,633 INFO L414 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:24,633 INFO L82 PathProgramCache]: Analyzing trace with hash 571228309, now seen corresponding path program 211 times [2018-07-23 13:46:24,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:26,285 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 13:46:26,286 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:26,286 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [213] total 213 [2018-07-23 13:46:26,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:26,286 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 13:46:26,287 INFO L185 omatonBuilderFactory]: Interpolants [206851#(<= ULTIMATE.start_main_~i~4 58), 206850#(<= ULTIMATE.start_main_~i~4 57), 206849#(<= ULTIMATE.start_main_~i~4 56), 206848#(<= ULTIMATE.start_main_~i~4 55), 206855#(<= ULTIMATE.start_main_~i~4 62), 206854#(<= ULTIMATE.start_main_~i~4 61), 206853#(<= ULTIMATE.start_main_~i~4 60), 206852#(<= ULTIMATE.start_main_~i~4 59), 206859#(<= ULTIMATE.start_main_~i~4 66), 206858#(<= ULTIMATE.start_main_~i~4 65), 206857#(<= ULTIMATE.start_main_~i~4 64), 206856#(<= ULTIMATE.start_main_~i~4 63), 206863#(<= ULTIMATE.start_main_~i~4 70), 206862#(<= ULTIMATE.start_main_~i~4 69), 206861#(<= ULTIMATE.start_main_~i~4 68), 206860#(<= ULTIMATE.start_main_~i~4 67), 206867#(<= ULTIMATE.start_main_~i~4 74), 206866#(<= ULTIMATE.start_main_~i~4 73), 206865#(<= ULTIMATE.start_main_~i~4 72), 206864#(<= ULTIMATE.start_main_~i~4 71), 206871#(<= ULTIMATE.start_main_~i~4 78), 206870#(<= ULTIMATE.start_main_~i~4 77), 206869#(<= ULTIMATE.start_main_~i~4 76), 206868#(<= ULTIMATE.start_main_~i~4 75), 206875#(<= ULTIMATE.start_main_~i~4 82), 206874#(<= ULTIMATE.start_main_~i~4 81), 206873#(<= ULTIMATE.start_main_~i~4 80), 206872#(<= ULTIMATE.start_main_~i~4 79), 206879#(<= ULTIMATE.start_main_~i~4 86), 206878#(<= ULTIMATE.start_main_~i~4 85), 206877#(<= ULTIMATE.start_main_~i~4 84), 206876#(<= ULTIMATE.start_main_~i~4 83), 206883#(<= ULTIMATE.start_main_~i~4 90), 206882#(<= ULTIMATE.start_main_~i~4 89), 206881#(<= ULTIMATE.start_main_~i~4 88), 206880#(<= ULTIMATE.start_main_~i~4 87), 206887#(<= ULTIMATE.start_main_~i~4 94), 206886#(<= ULTIMATE.start_main_~i~4 93), 206885#(<= ULTIMATE.start_main_~i~4 92), 206884#(<= ULTIMATE.start_main_~i~4 91), 206891#(<= ULTIMATE.start_main_~i~4 98), 206890#(<= ULTIMATE.start_main_~i~4 97), 206889#(<= ULTIMATE.start_main_~i~4 96), 206888#(<= ULTIMATE.start_main_~i~4 95), 206895#(<= ULTIMATE.start_main_~i~4 102), 206894#(<= ULTIMATE.start_main_~i~4 101), 206893#(<= ULTIMATE.start_main_~i~4 100), 206892#(<= ULTIMATE.start_main_~i~4 99), 206899#(<= ULTIMATE.start_main_~i~4 106), 206898#(<= ULTIMATE.start_main_~i~4 105), 206897#(<= ULTIMATE.start_main_~i~4 104), 206896#(<= ULTIMATE.start_main_~i~4 103), 206903#(<= ULTIMATE.start_main_~i~4 110), 206902#(<= ULTIMATE.start_main_~i~4 109), 206901#(<= ULTIMATE.start_main_~i~4 108), 206900#(<= ULTIMATE.start_main_~i~4 107), 206907#(<= ULTIMATE.start_main_~i~4 114), 206906#(<= ULTIMATE.start_main_~i~4 113), 206905#(<= ULTIMATE.start_main_~i~4 112), 206904#(<= ULTIMATE.start_main_~i~4 111), 206911#(<= ULTIMATE.start_main_~i~4 118), 206910#(<= ULTIMATE.start_main_~i~4 117), 206909#(<= ULTIMATE.start_main_~i~4 116), 206908#(<= ULTIMATE.start_main_~i~4 115), 206915#(<= ULTIMATE.start_main_~i~4 122), 206914#(<= ULTIMATE.start_main_~i~4 121), 206913#(<= ULTIMATE.start_main_~i~4 120), 206912#(<= ULTIMATE.start_main_~i~4 119), 206919#(<= ULTIMATE.start_main_~i~4 126), 206918#(<= ULTIMATE.start_main_~i~4 125), 206917#(<= ULTIMATE.start_main_~i~4 124), 206916#(<= ULTIMATE.start_main_~i~4 123), 206923#(<= ULTIMATE.start_main_~i~4 130), 206922#(<= ULTIMATE.start_main_~i~4 129), 206921#(<= ULTIMATE.start_main_~i~4 128), 206920#(<= ULTIMATE.start_main_~i~4 127), 206927#(<= ULTIMATE.start_main_~i~4 134), 206926#(<= ULTIMATE.start_main_~i~4 133), 206925#(<= ULTIMATE.start_main_~i~4 132), 206924#(<= ULTIMATE.start_main_~i~4 131), 206931#(<= ULTIMATE.start_main_~i~4 138), 206930#(<= ULTIMATE.start_main_~i~4 137), 206929#(<= ULTIMATE.start_main_~i~4 136), 206928#(<= ULTIMATE.start_main_~i~4 135), 206935#(<= ULTIMATE.start_main_~i~4 142), 206934#(<= ULTIMATE.start_main_~i~4 141), 206933#(<= ULTIMATE.start_main_~i~4 140), 206932#(<= ULTIMATE.start_main_~i~4 139), 206939#(<= ULTIMATE.start_main_~i~4 146), 206938#(<= ULTIMATE.start_main_~i~4 145), 206937#(<= ULTIMATE.start_main_~i~4 144), 206936#(<= ULTIMATE.start_main_~i~4 143), 206943#(<= ULTIMATE.start_main_~i~4 150), 206942#(<= ULTIMATE.start_main_~i~4 149), 206941#(<= ULTIMATE.start_main_~i~4 148), 206940#(<= ULTIMATE.start_main_~i~4 147), 206947#(<= ULTIMATE.start_main_~i~4 154), 206946#(<= ULTIMATE.start_main_~i~4 153), 206945#(<= ULTIMATE.start_main_~i~4 152), 206944#(<= ULTIMATE.start_main_~i~4 151), 206951#(<= ULTIMATE.start_main_~i~4 158), 206950#(<= ULTIMATE.start_main_~i~4 157), 206949#(<= ULTIMATE.start_main_~i~4 156), 206948#(<= ULTIMATE.start_main_~i~4 155), 206955#(<= ULTIMATE.start_main_~i~4 162), 206954#(<= ULTIMATE.start_main_~i~4 161), 206953#(<= ULTIMATE.start_main_~i~4 160), 206952#(<= ULTIMATE.start_main_~i~4 159), 206959#(<= ULTIMATE.start_main_~i~4 166), 206958#(<= ULTIMATE.start_main_~i~4 165), 206957#(<= ULTIMATE.start_main_~i~4 164), 206956#(<= ULTIMATE.start_main_~i~4 163), 206963#(<= ULTIMATE.start_main_~i~4 170), 206962#(<= ULTIMATE.start_main_~i~4 169), 206961#(<= ULTIMATE.start_main_~i~4 168), 206960#(<= ULTIMATE.start_main_~i~4 167), 206967#(<= ULTIMATE.start_main_~i~4 174), 206966#(<= ULTIMATE.start_main_~i~4 173), 206965#(<= ULTIMATE.start_main_~i~4 172), 206964#(<= ULTIMATE.start_main_~i~4 171), 206971#(<= ULTIMATE.start_main_~i~4 178), 206970#(<= ULTIMATE.start_main_~i~4 177), 206969#(<= ULTIMATE.start_main_~i~4 176), 206968#(<= ULTIMATE.start_main_~i~4 175), 206975#(<= ULTIMATE.start_main_~i~4 182), 206974#(<= ULTIMATE.start_main_~i~4 181), 206973#(<= ULTIMATE.start_main_~i~4 180), 206972#(<= ULTIMATE.start_main_~i~4 179), 206979#(<= ULTIMATE.start_main_~i~4 186), 206978#(<= ULTIMATE.start_main_~i~4 185), 206977#(<= ULTIMATE.start_main_~i~4 184), 206976#(<= ULTIMATE.start_main_~i~4 183), 206983#(<= ULTIMATE.start_main_~i~4 190), 206982#(<= ULTIMATE.start_main_~i~4 189), 206981#(<= ULTIMATE.start_main_~i~4 188), 206980#(<= ULTIMATE.start_main_~i~4 187), 206987#(<= ULTIMATE.start_main_~i~4 194), 206986#(<= ULTIMATE.start_main_~i~4 193), 206985#(<= ULTIMATE.start_main_~i~4 192), 206984#(<= ULTIMATE.start_main_~i~4 191), 206991#(<= ULTIMATE.start_main_~i~4 198), 206990#(<= ULTIMATE.start_main_~i~4 197), 206989#(<= ULTIMATE.start_main_~i~4 196), 206988#(<= ULTIMATE.start_main_~i~4 195), 206995#(<= ULTIMATE.start_main_~i~4 202), 206994#(<= ULTIMATE.start_main_~i~4 201), 206993#(<= ULTIMATE.start_main_~i~4 200), 206992#(<= ULTIMATE.start_main_~i~4 199), 206999#(<= ULTIMATE.start_main_~i~4 206), 206998#(<= ULTIMATE.start_main_~i~4 205), 206997#(<= ULTIMATE.start_main_~i~4 204), 206996#(<= ULTIMATE.start_main_~i~4 203), 207003#(<= ULTIMATE.start_main_~i~4 210), 207002#(<= ULTIMATE.start_main_~i~4 209), 207001#(<= ULTIMATE.start_main_~i~4 208), 207000#(<= ULTIMATE.start_main_~i~4 207), 207004#(<= ULTIMATE.start_main_~i~4 211), 206791#true, 206795#(<= ULTIMATE.start_main_~i~4 2), 206794#(<= ULTIMATE.start_main_~i~4 1), 206793#(<= ULTIMATE.start_main_~i~4 0), 206792#false, 206799#(<= ULTIMATE.start_main_~i~4 6), 206798#(<= ULTIMATE.start_main_~i~4 5), 206797#(<= ULTIMATE.start_main_~i~4 4), 206796#(<= ULTIMATE.start_main_~i~4 3), 206803#(<= ULTIMATE.start_main_~i~4 10), 206802#(<= ULTIMATE.start_main_~i~4 9), 206801#(<= ULTIMATE.start_main_~i~4 8), 206800#(<= ULTIMATE.start_main_~i~4 7), 206807#(<= ULTIMATE.start_main_~i~4 14), 206806#(<= ULTIMATE.start_main_~i~4 13), 206805#(<= ULTIMATE.start_main_~i~4 12), 206804#(<= ULTIMATE.start_main_~i~4 11), 206811#(<= ULTIMATE.start_main_~i~4 18), 206810#(<= ULTIMATE.start_main_~i~4 17), 206809#(<= ULTIMATE.start_main_~i~4 16), 206808#(<= ULTIMATE.start_main_~i~4 15), 206815#(<= ULTIMATE.start_main_~i~4 22), 206814#(<= ULTIMATE.start_main_~i~4 21), 206813#(<= ULTIMATE.start_main_~i~4 20), 206812#(<= ULTIMATE.start_main_~i~4 19), 206819#(<= ULTIMATE.start_main_~i~4 26), 206818#(<= ULTIMATE.start_main_~i~4 25), 206817#(<= ULTIMATE.start_main_~i~4 24), 206816#(<= ULTIMATE.start_main_~i~4 23), 206823#(<= ULTIMATE.start_main_~i~4 30), 206822#(<= ULTIMATE.start_main_~i~4 29), 206821#(<= ULTIMATE.start_main_~i~4 28), 206820#(<= ULTIMATE.start_main_~i~4 27), 206827#(<= ULTIMATE.start_main_~i~4 34), 206826#(<= ULTIMATE.start_main_~i~4 33), 206825#(<= ULTIMATE.start_main_~i~4 32), 206824#(<= ULTIMATE.start_main_~i~4 31), 206831#(<= ULTIMATE.start_main_~i~4 38), 206830#(<= ULTIMATE.start_main_~i~4 37), 206829#(<= ULTIMATE.start_main_~i~4 36), 206828#(<= ULTIMATE.start_main_~i~4 35), 206835#(<= ULTIMATE.start_main_~i~4 42), 206834#(<= ULTIMATE.start_main_~i~4 41), 206833#(<= ULTIMATE.start_main_~i~4 40), 206832#(<= ULTIMATE.start_main_~i~4 39), 206839#(<= ULTIMATE.start_main_~i~4 46), 206838#(<= ULTIMATE.start_main_~i~4 45), 206837#(<= ULTIMATE.start_main_~i~4 44), 206836#(<= ULTIMATE.start_main_~i~4 43), 206843#(<= ULTIMATE.start_main_~i~4 50), 206842#(<= ULTIMATE.start_main_~i~4 49), 206841#(<= ULTIMATE.start_main_~i~4 48), 206840#(<= ULTIMATE.start_main_~i~4 47), 206847#(<= ULTIMATE.start_main_~i~4 54), 206846#(<= ULTIMATE.start_main_~i~4 53), 206845#(<= ULTIMATE.start_main_~i~4 52), 206844#(<= ULTIMATE.start_main_~i~4 51)] [2018-07-23 13:46:26,289 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 13:46:26,289 INFO L450 AbstractCegarLoop]: Interpolant automaton has 214 states [2018-07-23 13:46:26,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2018-07-23 13:46:26,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:46:26,298 INFO L87 Difference]: Start difference. First operand 427 states and 427 transitions. Second operand 214 states. [2018-07-23 13:46:27,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:27,990 INFO L93 Difference]: Finished difference Result 431 states and 431 transitions. [2018-07-23 13:46:27,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2018-07-23 13:46:27,991 INFO L78 Accepts]: Start accepts. Automaton has 214 states. Word has length 426 [2018-07-23 13:46:27,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:27,991 INFO L225 Difference]: With dead ends: 431 [2018-07-23 13:46:27,991 INFO L226 Difference]: Without dead ends: 429 [2018-07-23 13:46:27,995 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=22791, Invalid=22791, Unknown=0, NotChecked=0, Total=45582 [2018-07-23 13:46:27,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-07-23 13:46:27,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2018-07-23 13:46:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-07-23 13:46:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 429 transitions. [2018-07-23 13:46:27,999 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 429 transitions. Word has length 426 [2018-07-23 13:46:27,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:27,999 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 429 transitions. [2018-07-23 13:46:28,000 INFO L472 AbstractCegarLoop]: Interpolant automaton has 214 states. [2018-07-23 13:46:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 429 transitions. [2018-07-23 13:46:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2018-07-23 13:46:28,001 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:28,001 INFO L357 BasicCegarLoop]: trace histogram [213, 212, 1, 1, 1] [2018-07-23 13:46:28,001 INFO L414 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:28,001 INFO L82 PathProgramCache]: Analyzing trace with hash -805356849, now seen corresponding path program 212 times [2018-07-23 13:46:28,001 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:29,389 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 13:46:29,390 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:29,390 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [214] total 214 [2018-07-23 13:46:29,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:29,390 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 13:46:29,391 INFO L185 omatonBuilderFactory]: Interpolants [208899#(<= ULTIMATE.start_main_~i~4 172), 208898#(<= ULTIMATE.start_main_~i~4 171), 208897#(<= ULTIMATE.start_main_~i~4 170), 208896#(<= ULTIMATE.start_main_~i~4 169), 208903#(<= ULTIMATE.start_main_~i~4 176), 208902#(<= ULTIMATE.start_main_~i~4 175), 208901#(<= ULTIMATE.start_main_~i~4 174), 208900#(<= ULTIMATE.start_main_~i~4 173), 208907#(<= ULTIMATE.start_main_~i~4 180), 208906#(<= ULTIMATE.start_main_~i~4 179), 208905#(<= ULTIMATE.start_main_~i~4 178), 208904#(<= ULTIMATE.start_main_~i~4 177), 208911#(<= ULTIMATE.start_main_~i~4 184), 208910#(<= ULTIMATE.start_main_~i~4 183), 208909#(<= ULTIMATE.start_main_~i~4 182), 208908#(<= ULTIMATE.start_main_~i~4 181), 208915#(<= ULTIMATE.start_main_~i~4 188), 208914#(<= ULTIMATE.start_main_~i~4 187), 208913#(<= ULTIMATE.start_main_~i~4 186), 208912#(<= ULTIMATE.start_main_~i~4 185), 208919#(<= ULTIMATE.start_main_~i~4 192), 208918#(<= ULTIMATE.start_main_~i~4 191), 208917#(<= ULTIMATE.start_main_~i~4 190), 208916#(<= ULTIMATE.start_main_~i~4 189), 208923#(<= ULTIMATE.start_main_~i~4 196), 208922#(<= ULTIMATE.start_main_~i~4 195), 208921#(<= ULTIMATE.start_main_~i~4 194), 208920#(<= ULTIMATE.start_main_~i~4 193), 208927#(<= ULTIMATE.start_main_~i~4 200), 208926#(<= ULTIMATE.start_main_~i~4 199), 208925#(<= ULTIMATE.start_main_~i~4 198), 208924#(<= ULTIMATE.start_main_~i~4 197), 208931#(<= ULTIMATE.start_main_~i~4 204), 208930#(<= ULTIMATE.start_main_~i~4 203), 208929#(<= ULTIMATE.start_main_~i~4 202), 208928#(<= ULTIMATE.start_main_~i~4 201), 208935#(<= ULTIMATE.start_main_~i~4 208), 208934#(<= ULTIMATE.start_main_~i~4 207), 208933#(<= ULTIMATE.start_main_~i~4 206), 208932#(<= ULTIMATE.start_main_~i~4 205), 208939#(<= ULTIMATE.start_main_~i~4 212), 208938#(<= ULTIMATE.start_main_~i~4 211), 208937#(<= ULTIMATE.start_main_~i~4 210), 208936#(<= ULTIMATE.start_main_~i~4 209), 208727#(<= ULTIMATE.start_main_~i~4 0), 208726#false, 208725#true, 208731#(<= ULTIMATE.start_main_~i~4 4), 208730#(<= ULTIMATE.start_main_~i~4 3), 208729#(<= ULTIMATE.start_main_~i~4 2), 208728#(<= ULTIMATE.start_main_~i~4 1), 208735#(<= ULTIMATE.start_main_~i~4 8), 208734#(<= ULTIMATE.start_main_~i~4 7), 208733#(<= ULTIMATE.start_main_~i~4 6), 208732#(<= ULTIMATE.start_main_~i~4 5), 208739#(<= ULTIMATE.start_main_~i~4 12), 208738#(<= ULTIMATE.start_main_~i~4 11), 208737#(<= ULTIMATE.start_main_~i~4 10), 208736#(<= ULTIMATE.start_main_~i~4 9), 208743#(<= ULTIMATE.start_main_~i~4 16), 208742#(<= ULTIMATE.start_main_~i~4 15), 208741#(<= ULTIMATE.start_main_~i~4 14), 208740#(<= ULTIMATE.start_main_~i~4 13), 208747#(<= ULTIMATE.start_main_~i~4 20), 208746#(<= ULTIMATE.start_main_~i~4 19), 208745#(<= ULTIMATE.start_main_~i~4 18), 208744#(<= ULTIMATE.start_main_~i~4 17), 208751#(<= ULTIMATE.start_main_~i~4 24), 208750#(<= ULTIMATE.start_main_~i~4 23), 208749#(<= ULTIMATE.start_main_~i~4 22), 208748#(<= ULTIMATE.start_main_~i~4 21), 208755#(<= ULTIMATE.start_main_~i~4 28), 208754#(<= ULTIMATE.start_main_~i~4 27), 208753#(<= ULTIMATE.start_main_~i~4 26), 208752#(<= ULTIMATE.start_main_~i~4 25), 208759#(<= ULTIMATE.start_main_~i~4 32), 208758#(<= ULTIMATE.start_main_~i~4 31), 208757#(<= ULTIMATE.start_main_~i~4 30), 208756#(<= ULTIMATE.start_main_~i~4 29), 208763#(<= ULTIMATE.start_main_~i~4 36), 208762#(<= ULTIMATE.start_main_~i~4 35), 208761#(<= ULTIMATE.start_main_~i~4 34), 208760#(<= ULTIMATE.start_main_~i~4 33), 208767#(<= ULTIMATE.start_main_~i~4 40), 208766#(<= ULTIMATE.start_main_~i~4 39), 208765#(<= ULTIMATE.start_main_~i~4 38), 208764#(<= ULTIMATE.start_main_~i~4 37), 208771#(<= ULTIMATE.start_main_~i~4 44), 208770#(<= ULTIMATE.start_main_~i~4 43), 208769#(<= ULTIMATE.start_main_~i~4 42), 208768#(<= ULTIMATE.start_main_~i~4 41), 208775#(<= ULTIMATE.start_main_~i~4 48), 208774#(<= ULTIMATE.start_main_~i~4 47), 208773#(<= ULTIMATE.start_main_~i~4 46), 208772#(<= ULTIMATE.start_main_~i~4 45), 208779#(<= ULTIMATE.start_main_~i~4 52), 208778#(<= ULTIMATE.start_main_~i~4 51), 208777#(<= ULTIMATE.start_main_~i~4 50), 208776#(<= ULTIMATE.start_main_~i~4 49), 208783#(<= ULTIMATE.start_main_~i~4 56), 208782#(<= ULTIMATE.start_main_~i~4 55), 208781#(<= ULTIMATE.start_main_~i~4 54), 208780#(<= ULTIMATE.start_main_~i~4 53), 208787#(<= ULTIMATE.start_main_~i~4 60), 208786#(<= ULTIMATE.start_main_~i~4 59), 208785#(<= ULTIMATE.start_main_~i~4 58), 208784#(<= ULTIMATE.start_main_~i~4 57), 208791#(<= ULTIMATE.start_main_~i~4 64), 208790#(<= ULTIMATE.start_main_~i~4 63), 208789#(<= ULTIMATE.start_main_~i~4 62), 208788#(<= ULTIMATE.start_main_~i~4 61), 208795#(<= ULTIMATE.start_main_~i~4 68), 208794#(<= ULTIMATE.start_main_~i~4 67), 208793#(<= ULTIMATE.start_main_~i~4 66), 208792#(<= ULTIMATE.start_main_~i~4 65), 208799#(<= ULTIMATE.start_main_~i~4 72), 208798#(<= ULTIMATE.start_main_~i~4 71), 208797#(<= ULTIMATE.start_main_~i~4 70), 208796#(<= ULTIMATE.start_main_~i~4 69), 208803#(<= ULTIMATE.start_main_~i~4 76), 208802#(<= ULTIMATE.start_main_~i~4 75), 208801#(<= ULTIMATE.start_main_~i~4 74), 208800#(<= ULTIMATE.start_main_~i~4 73), 208807#(<= ULTIMATE.start_main_~i~4 80), 208806#(<= ULTIMATE.start_main_~i~4 79), 208805#(<= ULTIMATE.start_main_~i~4 78), 208804#(<= ULTIMATE.start_main_~i~4 77), 208811#(<= ULTIMATE.start_main_~i~4 84), 208810#(<= ULTIMATE.start_main_~i~4 83), 208809#(<= ULTIMATE.start_main_~i~4 82), 208808#(<= ULTIMATE.start_main_~i~4 81), 208815#(<= ULTIMATE.start_main_~i~4 88), 208814#(<= ULTIMATE.start_main_~i~4 87), 208813#(<= ULTIMATE.start_main_~i~4 86), 208812#(<= ULTIMATE.start_main_~i~4 85), 208819#(<= ULTIMATE.start_main_~i~4 92), 208818#(<= ULTIMATE.start_main_~i~4 91), 208817#(<= ULTIMATE.start_main_~i~4 90), 208816#(<= ULTIMATE.start_main_~i~4 89), 208823#(<= ULTIMATE.start_main_~i~4 96), 208822#(<= ULTIMATE.start_main_~i~4 95), 208821#(<= ULTIMATE.start_main_~i~4 94), 208820#(<= ULTIMATE.start_main_~i~4 93), 208827#(<= ULTIMATE.start_main_~i~4 100), 208826#(<= ULTIMATE.start_main_~i~4 99), 208825#(<= ULTIMATE.start_main_~i~4 98), 208824#(<= ULTIMATE.start_main_~i~4 97), 208831#(<= ULTIMATE.start_main_~i~4 104), 208830#(<= ULTIMATE.start_main_~i~4 103), 208829#(<= ULTIMATE.start_main_~i~4 102), 208828#(<= ULTIMATE.start_main_~i~4 101), 208835#(<= ULTIMATE.start_main_~i~4 108), 208834#(<= ULTIMATE.start_main_~i~4 107), 208833#(<= ULTIMATE.start_main_~i~4 106), 208832#(<= ULTIMATE.start_main_~i~4 105), 208839#(<= ULTIMATE.start_main_~i~4 112), 208838#(<= ULTIMATE.start_main_~i~4 111), 208837#(<= ULTIMATE.start_main_~i~4 110), 208836#(<= ULTIMATE.start_main_~i~4 109), 208843#(<= ULTIMATE.start_main_~i~4 116), 208842#(<= ULTIMATE.start_main_~i~4 115), 208841#(<= ULTIMATE.start_main_~i~4 114), 208840#(<= ULTIMATE.start_main_~i~4 113), 208847#(<= ULTIMATE.start_main_~i~4 120), 208846#(<= ULTIMATE.start_main_~i~4 119), 208845#(<= ULTIMATE.start_main_~i~4 118), 208844#(<= ULTIMATE.start_main_~i~4 117), 208851#(<= ULTIMATE.start_main_~i~4 124), 208850#(<= ULTIMATE.start_main_~i~4 123), 208849#(<= ULTIMATE.start_main_~i~4 122), 208848#(<= ULTIMATE.start_main_~i~4 121), 208855#(<= ULTIMATE.start_main_~i~4 128), 208854#(<= ULTIMATE.start_main_~i~4 127), 208853#(<= ULTIMATE.start_main_~i~4 126), 208852#(<= ULTIMATE.start_main_~i~4 125), 208859#(<= ULTIMATE.start_main_~i~4 132), 208858#(<= ULTIMATE.start_main_~i~4 131), 208857#(<= ULTIMATE.start_main_~i~4 130), 208856#(<= ULTIMATE.start_main_~i~4 129), 208863#(<= ULTIMATE.start_main_~i~4 136), 208862#(<= ULTIMATE.start_main_~i~4 135), 208861#(<= ULTIMATE.start_main_~i~4 134), 208860#(<= ULTIMATE.start_main_~i~4 133), 208867#(<= ULTIMATE.start_main_~i~4 140), 208866#(<= ULTIMATE.start_main_~i~4 139), 208865#(<= ULTIMATE.start_main_~i~4 138), 208864#(<= ULTIMATE.start_main_~i~4 137), 208871#(<= ULTIMATE.start_main_~i~4 144), 208870#(<= ULTIMATE.start_main_~i~4 143), 208869#(<= ULTIMATE.start_main_~i~4 142), 208868#(<= ULTIMATE.start_main_~i~4 141), 208875#(<= ULTIMATE.start_main_~i~4 148), 208874#(<= ULTIMATE.start_main_~i~4 147), 208873#(<= ULTIMATE.start_main_~i~4 146), 208872#(<= ULTIMATE.start_main_~i~4 145), 208879#(<= ULTIMATE.start_main_~i~4 152), 208878#(<= ULTIMATE.start_main_~i~4 151), 208877#(<= ULTIMATE.start_main_~i~4 150), 208876#(<= ULTIMATE.start_main_~i~4 149), 208883#(<= ULTIMATE.start_main_~i~4 156), 208882#(<= ULTIMATE.start_main_~i~4 155), 208881#(<= ULTIMATE.start_main_~i~4 154), 208880#(<= ULTIMATE.start_main_~i~4 153), 208887#(<= ULTIMATE.start_main_~i~4 160), 208886#(<= ULTIMATE.start_main_~i~4 159), 208885#(<= ULTIMATE.start_main_~i~4 158), 208884#(<= ULTIMATE.start_main_~i~4 157), 208891#(<= ULTIMATE.start_main_~i~4 164), 208890#(<= ULTIMATE.start_main_~i~4 163), 208889#(<= ULTIMATE.start_main_~i~4 162), 208888#(<= ULTIMATE.start_main_~i~4 161), 208895#(<= ULTIMATE.start_main_~i~4 168), 208894#(<= ULTIMATE.start_main_~i~4 167), 208893#(<= ULTIMATE.start_main_~i~4 166), 208892#(<= ULTIMATE.start_main_~i~4 165)] [2018-07-23 13:46:29,393 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 13:46:29,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 215 states [2018-07-23 13:46:29,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2018-07-23 13:46:29,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23005, Invalid=23005, Unknown=0, NotChecked=0, Total=46010 [2018-07-23 13:46:29,401 INFO L87 Difference]: Start difference. First operand 429 states and 429 transitions. Second operand 215 states. [2018-07-23 13:46:30,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:30,714 INFO L93 Difference]: Finished difference Result 433 states and 433 transitions. [2018-07-23 13:46:30,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2018-07-23 13:46:30,715 INFO L78 Accepts]: Start accepts. Automaton has 215 states. Word has length 428 [2018-07-23 13:46:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:30,715 INFO L225 Difference]: With dead ends: 433 [2018-07-23 13:46:30,715 INFO L226 Difference]: Without dead ends: 431 [2018-07-23 13:46:30,717 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 13:46:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-07-23 13:46:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2018-07-23 13:46:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-07-23 13:46:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 431 transitions. [2018-07-23 13:46:30,721 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 431 transitions. Word has length 428 [2018-07-23 13:46:30,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:30,721 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 431 transitions. [2018-07-23 13:46:30,721 INFO L472 AbstractCegarLoop]: Interpolant automaton has 215 states. [2018-07-23 13:46:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 431 transitions. [2018-07-23 13:46:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-07-23 13:46:30,722 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:30,722 INFO L357 BasicCegarLoop]: trace histogram [214, 213, 1, 1, 1] [2018-07-23 13:46:30,722 INFO L414 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:30,723 INFO L82 PathProgramCache]: Analyzing trace with hash -853766519, now seen corresponding path program 213 times [2018-07-23 13:46:30,723 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:32,268 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 13:46:32,269 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:32,269 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [215] total 215 [2018-07-23 13:46:32,269 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,270 INFO L185 omatonBuilderFactory]: Interpolants [210671#(<= ULTIMATE.start_main_~i~4 1), 210670#(<= ULTIMATE.start_main_~i~4 0), 210669#false, 210668#true, 210675#(<= ULTIMATE.start_main_~i~4 5), 210674#(<= ULTIMATE.start_main_~i~4 4), 210673#(<= ULTIMATE.start_main_~i~4 3), 210672#(<= ULTIMATE.start_main_~i~4 2), 210679#(<= ULTIMATE.start_main_~i~4 9), 210678#(<= ULTIMATE.start_main_~i~4 8), 210677#(<= ULTIMATE.start_main_~i~4 7), 210676#(<= ULTIMATE.start_main_~i~4 6), 210683#(<= ULTIMATE.start_main_~i~4 13), 210682#(<= ULTIMATE.start_main_~i~4 12), 210681#(<= ULTIMATE.start_main_~i~4 11), 210680#(<= ULTIMATE.start_main_~i~4 10), 210687#(<= ULTIMATE.start_main_~i~4 17), 210686#(<= ULTIMATE.start_main_~i~4 16), 210685#(<= ULTIMATE.start_main_~i~4 15), 210684#(<= ULTIMATE.start_main_~i~4 14), 210691#(<= ULTIMATE.start_main_~i~4 21), 210690#(<= ULTIMATE.start_main_~i~4 20), 210689#(<= ULTIMATE.start_main_~i~4 19), 210688#(<= ULTIMATE.start_main_~i~4 18), 210695#(<= ULTIMATE.start_main_~i~4 25), 210694#(<= ULTIMATE.start_main_~i~4 24), 210693#(<= ULTIMATE.start_main_~i~4 23), 210692#(<= ULTIMATE.start_main_~i~4 22), 210699#(<= ULTIMATE.start_main_~i~4 29), 210698#(<= ULTIMATE.start_main_~i~4 28), 210697#(<= ULTIMATE.start_main_~i~4 27), 210696#(<= ULTIMATE.start_main_~i~4 26), 210703#(<= ULTIMATE.start_main_~i~4 33), 210702#(<= ULTIMATE.start_main_~i~4 32), 210701#(<= ULTIMATE.start_main_~i~4 31), 210700#(<= ULTIMATE.start_main_~i~4 30), 210707#(<= ULTIMATE.start_main_~i~4 37), 210706#(<= ULTIMATE.start_main_~i~4 36), 210705#(<= ULTIMATE.start_main_~i~4 35), 210704#(<= ULTIMATE.start_main_~i~4 34), 210711#(<= ULTIMATE.start_main_~i~4 41), 210710#(<= ULTIMATE.start_main_~i~4 40), 210709#(<= ULTIMATE.start_main_~i~4 39), 210708#(<= ULTIMATE.start_main_~i~4 38), 210715#(<= ULTIMATE.start_main_~i~4 45), 210714#(<= ULTIMATE.start_main_~i~4 44), 210713#(<= ULTIMATE.start_main_~i~4 43), 210712#(<= ULTIMATE.start_main_~i~4 42), 210719#(<= ULTIMATE.start_main_~i~4 49), 210718#(<= ULTIMATE.start_main_~i~4 48), 210717#(<= ULTIMATE.start_main_~i~4 47), 210716#(<= ULTIMATE.start_main_~i~4 46), 210723#(<= ULTIMATE.start_main_~i~4 53), 210722#(<= ULTIMATE.start_main_~i~4 52), 210721#(<= ULTIMATE.start_main_~i~4 51), 210720#(<= ULTIMATE.start_main_~i~4 50), 210727#(<= ULTIMATE.start_main_~i~4 57), 210726#(<= ULTIMATE.start_main_~i~4 56), 210725#(<= ULTIMATE.start_main_~i~4 55), 210724#(<= ULTIMATE.start_main_~i~4 54), 210731#(<= ULTIMATE.start_main_~i~4 61), 210730#(<= ULTIMATE.start_main_~i~4 60), 210729#(<= ULTIMATE.start_main_~i~4 59), 210728#(<= ULTIMATE.start_main_~i~4 58), 210735#(<= ULTIMATE.start_main_~i~4 65), 210734#(<= ULTIMATE.start_main_~i~4 64), 210733#(<= ULTIMATE.start_main_~i~4 63), 210732#(<= ULTIMATE.start_main_~i~4 62), 210739#(<= ULTIMATE.start_main_~i~4 69), 210738#(<= ULTIMATE.start_main_~i~4 68), 210737#(<= ULTIMATE.start_main_~i~4 67), 210736#(<= ULTIMATE.start_main_~i~4 66), 210743#(<= ULTIMATE.start_main_~i~4 73), 210742#(<= ULTIMATE.start_main_~i~4 72), 210741#(<= ULTIMATE.start_main_~i~4 71), 210740#(<= ULTIMATE.start_main_~i~4 70), 210747#(<= ULTIMATE.start_main_~i~4 77), 210746#(<= ULTIMATE.start_main_~i~4 76), 210745#(<= ULTIMATE.start_main_~i~4 75), 210744#(<= ULTIMATE.start_main_~i~4 74), 210751#(<= ULTIMATE.start_main_~i~4 81), 210750#(<= ULTIMATE.start_main_~i~4 80), 210749#(<= ULTIMATE.start_main_~i~4 79), 210748#(<= ULTIMATE.start_main_~i~4 78), 210755#(<= ULTIMATE.start_main_~i~4 85), 210754#(<= ULTIMATE.start_main_~i~4 84), 210753#(<= ULTIMATE.start_main_~i~4 83), 210752#(<= ULTIMATE.start_main_~i~4 82), 210759#(<= ULTIMATE.start_main_~i~4 89), 210758#(<= ULTIMATE.start_main_~i~4 88), 210757#(<= ULTIMATE.start_main_~i~4 87), 210756#(<= ULTIMATE.start_main_~i~4 86), 210763#(<= ULTIMATE.start_main_~i~4 93), 210762#(<= ULTIMATE.start_main_~i~4 92), 210761#(<= ULTIMATE.start_main_~i~4 91), 210760#(<= ULTIMATE.start_main_~i~4 90), 210767#(<= ULTIMATE.start_main_~i~4 97), 210766#(<= ULTIMATE.start_main_~i~4 96), 210765#(<= ULTIMATE.start_main_~i~4 95), 210764#(<= ULTIMATE.start_main_~i~4 94), 210771#(<= ULTIMATE.start_main_~i~4 101), 210770#(<= ULTIMATE.start_main_~i~4 100), 210769#(<= ULTIMATE.start_main_~i~4 99), 210768#(<= ULTIMATE.start_main_~i~4 98), 210775#(<= ULTIMATE.start_main_~i~4 105), 210774#(<= ULTIMATE.start_main_~i~4 104), 210773#(<= ULTIMATE.start_main_~i~4 103), 210772#(<= ULTIMATE.start_main_~i~4 102), 210779#(<= ULTIMATE.start_main_~i~4 109), 210778#(<= ULTIMATE.start_main_~i~4 108), 210777#(<= ULTIMATE.start_main_~i~4 107), 210776#(<= ULTIMATE.start_main_~i~4 106), 210783#(<= ULTIMATE.start_main_~i~4 113), 210782#(<= ULTIMATE.start_main_~i~4 112), 210781#(<= ULTIMATE.start_main_~i~4 111), 210780#(<= ULTIMATE.start_main_~i~4 110), 210787#(<= ULTIMATE.start_main_~i~4 117), 210786#(<= ULTIMATE.start_main_~i~4 116), 210785#(<= ULTIMATE.start_main_~i~4 115), 210784#(<= ULTIMATE.start_main_~i~4 114), 210791#(<= ULTIMATE.start_main_~i~4 121), 210790#(<= ULTIMATE.start_main_~i~4 120), 210789#(<= ULTIMATE.start_main_~i~4 119), 210788#(<= ULTIMATE.start_main_~i~4 118), 210795#(<= ULTIMATE.start_main_~i~4 125), 210794#(<= ULTIMATE.start_main_~i~4 124), 210793#(<= ULTIMATE.start_main_~i~4 123), 210792#(<= ULTIMATE.start_main_~i~4 122), 210799#(<= ULTIMATE.start_main_~i~4 129), 210798#(<= ULTIMATE.start_main_~i~4 128), 210797#(<= ULTIMATE.start_main_~i~4 127), 210796#(<= ULTIMATE.start_main_~i~4 126), 210803#(<= ULTIMATE.start_main_~i~4 133), 210802#(<= ULTIMATE.start_main_~i~4 132), 210801#(<= ULTIMATE.start_main_~i~4 131), 210800#(<= ULTIMATE.start_main_~i~4 130), 210807#(<= ULTIMATE.start_main_~i~4 137), 210806#(<= ULTIMATE.start_main_~i~4 136), 210805#(<= ULTIMATE.start_main_~i~4 135), 210804#(<= ULTIMATE.start_main_~i~4 134), 210811#(<= ULTIMATE.start_main_~i~4 141), 210810#(<= ULTIMATE.start_main_~i~4 140), 210809#(<= ULTIMATE.start_main_~i~4 139), 210808#(<= ULTIMATE.start_main_~i~4 138), 210815#(<= ULTIMATE.start_main_~i~4 145), 210814#(<= ULTIMATE.start_main_~i~4 144), 210813#(<= ULTIMATE.start_main_~i~4 143), 210812#(<= ULTIMATE.start_main_~i~4 142), 210819#(<= ULTIMATE.start_main_~i~4 149), 210818#(<= ULTIMATE.start_main_~i~4 148), 210817#(<= ULTIMATE.start_main_~i~4 147), 210816#(<= ULTIMATE.start_main_~i~4 146), 210823#(<= ULTIMATE.start_main_~i~4 153), 210822#(<= ULTIMATE.start_main_~i~4 152), 210821#(<= ULTIMATE.start_main_~i~4 151), 210820#(<= ULTIMATE.start_main_~i~4 150), 210827#(<= ULTIMATE.start_main_~i~4 157), 210826#(<= ULTIMATE.start_main_~i~4 156), 210825#(<= ULTIMATE.start_main_~i~4 155), 210824#(<= ULTIMATE.start_main_~i~4 154), 210831#(<= ULTIMATE.start_main_~i~4 161), 210830#(<= ULTIMATE.start_main_~i~4 160), 210829#(<= ULTIMATE.start_main_~i~4 159), 210828#(<= ULTIMATE.start_main_~i~4 158), 210835#(<= ULTIMATE.start_main_~i~4 165), 210834#(<= ULTIMATE.start_main_~i~4 164), 210833#(<= ULTIMATE.start_main_~i~4 163), 210832#(<= ULTIMATE.start_main_~i~4 162), 210839#(<= ULTIMATE.start_main_~i~4 169), 210838#(<= ULTIMATE.start_main_~i~4 168), 210837#(<= ULTIMATE.start_main_~i~4 167), 210836#(<= ULTIMATE.start_main_~i~4 166), 210843#(<= ULTIMATE.start_main_~i~4 173), 210842#(<= ULTIMATE.start_main_~i~4 172), 210841#(<= ULTIMATE.start_main_~i~4 171), 210840#(<= ULTIMATE.start_main_~i~4 170), 210847#(<= ULTIMATE.start_main_~i~4 177), 210846#(<= ULTIMATE.start_main_~i~4 176), 210845#(<= ULTIMATE.start_main_~i~4 175), 210844#(<= ULTIMATE.start_main_~i~4 174), 210851#(<= ULTIMATE.start_main_~i~4 181), 210850#(<= ULTIMATE.start_main_~i~4 180), 210849#(<= ULTIMATE.start_main_~i~4 179), 210848#(<= ULTIMATE.start_main_~i~4 178), 210855#(<= ULTIMATE.start_main_~i~4 185), 210854#(<= ULTIMATE.start_main_~i~4 184), 210853#(<= ULTIMATE.start_main_~i~4 183), 210852#(<= ULTIMATE.start_main_~i~4 182), 210859#(<= ULTIMATE.start_main_~i~4 189), 210858#(<= ULTIMATE.start_main_~i~4 188), 210857#(<= ULTIMATE.start_main_~i~4 187), 210856#(<= ULTIMATE.start_main_~i~4 186), 210863#(<= ULTIMATE.start_main_~i~4 193), 210862#(<= ULTIMATE.start_main_~i~4 192), 210861#(<= ULTIMATE.start_main_~i~4 191), 210860#(<= ULTIMATE.start_main_~i~4 190), 210867#(<= ULTIMATE.start_main_~i~4 197), 210866#(<= ULTIMATE.start_main_~i~4 196), 210865#(<= ULTIMATE.start_main_~i~4 195), 210864#(<= ULTIMATE.start_main_~i~4 194), 210871#(<= ULTIMATE.start_main_~i~4 201), 210870#(<= ULTIMATE.start_main_~i~4 200), 210869#(<= ULTIMATE.start_main_~i~4 199), 210868#(<= ULTIMATE.start_main_~i~4 198), 210875#(<= ULTIMATE.start_main_~i~4 205), 210874#(<= ULTIMATE.start_main_~i~4 204), 210873#(<= ULTIMATE.start_main_~i~4 203), 210872#(<= ULTIMATE.start_main_~i~4 202), 210879#(<= ULTIMATE.start_main_~i~4 209), 210878#(<= ULTIMATE.start_main_~i~4 208), 210877#(<= ULTIMATE.start_main_~i~4 207), 210876#(<= ULTIMATE.start_main_~i~4 206), 210883#(<= ULTIMATE.start_main_~i~4 213), 210882#(<= ULTIMATE.start_main_~i~4 212), 210881#(<= ULTIMATE.start_main_~i~4 211), 210880#(<= ULTIMATE.start_main_~i~4 210)] [2018-07-23 13:46:32,272 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 13:46:32,272 INFO L450 AbstractCegarLoop]: Interpolant automaton has 216 states [2018-07-23 13:46:32,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2018-07-23 13:46:32,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:46:32,280 INFO L87 Difference]: Start difference. First operand 431 states and 431 transitions. Second operand 216 states. [2018-07-23 13:46:35,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:35,595 INFO L93 Difference]: Finished difference Result 435 states and 435 transitions. [2018-07-23 13:46:35,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2018-07-23 13:46:35,596 INFO L78 Accepts]: Start accepts. Automaton has 216 states. Word has length 430 [2018-07-23 13:46:35,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:35,597 INFO L225 Difference]: With dead ends: 435 [2018-07-23 13:46:35,597 INFO L226 Difference]: Without dead ends: 433 [2018-07-23 13:46:35,601 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23220, Invalid=23220, Unknown=0, NotChecked=0, Total=46440 [2018-07-23 13:46:35,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-07-23 13:46:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2018-07-23 13:46:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-07-23 13:46:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 433 transitions. [2018-07-23 13:46:35,606 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 433 transitions. Word has length 430 [2018-07-23 13:46:35,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:35,607 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 433 transitions. [2018-07-23 13:46:35,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 216 states. [2018-07-23 13:46:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 433 transitions. [2018-07-23 13:46:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-07-23 13:46:35,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:35,608 INFO L357 BasicCegarLoop]: trace histogram [215, 214, 1, 1, 1] [2018-07-23 13:46:35,608 INFO L414 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:35,608 INFO L82 PathProgramCache]: Analyzing trace with hash -130819133, now seen corresponding path program 214 times [2018-07-23 13:46:35,609 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:37,282 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 13:46:37,282 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:37,282 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [216] total 216 [2018-07-23 13:46:37,282 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,283 INFO L185 omatonBuilderFactory]: Interpolants [212623#(<= ULTIMATE.start_main_~i~4 1), 212622#(<= ULTIMATE.start_main_~i~4 0), 212621#false, 212620#true, 212627#(<= ULTIMATE.start_main_~i~4 5), 212626#(<= ULTIMATE.start_main_~i~4 4), 212625#(<= ULTIMATE.start_main_~i~4 3), 212624#(<= ULTIMATE.start_main_~i~4 2), 212631#(<= ULTIMATE.start_main_~i~4 9), 212630#(<= ULTIMATE.start_main_~i~4 8), 212629#(<= ULTIMATE.start_main_~i~4 7), 212628#(<= ULTIMATE.start_main_~i~4 6), 212635#(<= ULTIMATE.start_main_~i~4 13), 212634#(<= ULTIMATE.start_main_~i~4 12), 212633#(<= ULTIMATE.start_main_~i~4 11), 212632#(<= ULTIMATE.start_main_~i~4 10), 212639#(<= ULTIMATE.start_main_~i~4 17), 212638#(<= ULTIMATE.start_main_~i~4 16), 212637#(<= ULTIMATE.start_main_~i~4 15), 212636#(<= ULTIMATE.start_main_~i~4 14), 212643#(<= ULTIMATE.start_main_~i~4 21), 212642#(<= ULTIMATE.start_main_~i~4 20), 212641#(<= ULTIMATE.start_main_~i~4 19), 212640#(<= ULTIMATE.start_main_~i~4 18), 212647#(<= ULTIMATE.start_main_~i~4 25), 212646#(<= ULTIMATE.start_main_~i~4 24), 212645#(<= ULTIMATE.start_main_~i~4 23), 212644#(<= ULTIMATE.start_main_~i~4 22), 212651#(<= ULTIMATE.start_main_~i~4 29), 212650#(<= ULTIMATE.start_main_~i~4 28), 212649#(<= ULTIMATE.start_main_~i~4 27), 212648#(<= ULTIMATE.start_main_~i~4 26), 212655#(<= ULTIMATE.start_main_~i~4 33), 212654#(<= ULTIMATE.start_main_~i~4 32), 212653#(<= ULTIMATE.start_main_~i~4 31), 212652#(<= ULTIMATE.start_main_~i~4 30), 212659#(<= ULTIMATE.start_main_~i~4 37), 212658#(<= ULTIMATE.start_main_~i~4 36), 212657#(<= ULTIMATE.start_main_~i~4 35), 212656#(<= ULTIMATE.start_main_~i~4 34), 212663#(<= ULTIMATE.start_main_~i~4 41), 212662#(<= ULTIMATE.start_main_~i~4 40), 212661#(<= ULTIMATE.start_main_~i~4 39), 212660#(<= ULTIMATE.start_main_~i~4 38), 212667#(<= ULTIMATE.start_main_~i~4 45), 212666#(<= ULTIMATE.start_main_~i~4 44), 212665#(<= ULTIMATE.start_main_~i~4 43), 212664#(<= ULTIMATE.start_main_~i~4 42), 212671#(<= ULTIMATE.start_main_~i~4 49), 212670#(<= ULTIMATE.start_main_~i~4 48), 212669#(<= ULTIMATE.start_main_~i~4 47), 212668#(<= ULTIMATE.start_main_~i~4 46), 212675#(<= ULTIMATE.start_main_~i~4 53), 212674#(<= ULTIMATE.start_main_~i~4 52), 212673#(<= ULTIMATE.start_main_~i~4 51), 212672#(<= ULTIMATE.start_main_~i~4 50), 212679#(<= ULTIMATE.start_main_~i~4 57), 212678#(<= ULTIMATE.start_main_~i~4 56), 212677#(<= ULTIMATE.start_main_~i~4 55), 212676#(<= ULTIMATE.start_main_~i~4 54), 212683#(<= ULTIMATE.start_main_~i~4 61), 212682#(<= ULTIMATE.start_main_~i~4 60), 212681#(<= ULTIMATE.start_main_~i~4 59), 212680#(<= ULTIMATE.start_main_~i~4 58), 212687#(<= ULTIMATE.start_main_~i~4 65), 212686#(<= ULTIMATE.start_main_~i~4 64), 212685#(<= ULTIMATE.start_main_~i~4 63), 212684#(<= ULTIMATE.start_main_~i~4 62), 212691#(<= ULTIMATE.start_main_~i~4 69), 212690#(<= ULTIMATE.start_main_~i~4 68), 212689#(<= ULTIMATE.start_main_~i~4 67), 212688#(<= ULTIMATE.start_main_~i~4 66), 212695#(<= ULTIMATE.start_main_~i~4 73), 212694#(<= ULTIMATE.start_main_~i~4 72), 212693#(<= ULTIMATE.start_main_~i~4 71), 212692#(<= ULTIMATE.start_main_~i~4 70), 212699#(<= ULTIMATE.start_main_~i~4 77), 212698#(<= ULTIMATE.start_main_~i~4 76), 212697#(<= ULTIMATE.start_main_~i~4 75), 212696#(<= ULTIMATE.start_main_~i~4 74), 212703#(<= ULTIMATE.start_main_~i~4 81), 212702#(<= ULTIMATE.start_main_~i~4 80), 212701#(<= ULTIMATE.start_main_~i~4 79), 212700#(<= ULTIMATE.start_main_~i~4 78), 212707#(<= ULTIMATE.start_main_~i~4 85), 212706#(<= ULTIMATE.start_main_~i~4 84), 212705#(<= ULTIMATE.start_main_~i~4 83), 212704#(<= ULTIMATE.start_main_~i~4 82), 212711#(<= ULTIMATE.start_main_~i~4 89), 212710#(<= ULTIMATE.start_main_~i~4 88), 212709#(<= ULTIMATE.start_main_~i~4 87), 212708#(<= ULTIMATE.start_main_~i~4 86), 212715#(<= ULTIMATE.start_main_~i~4 93), 212714#(<= ULTIMATE.start_main_~i~4 92), 212713#(<= ULTIMATE.start_main_~i~4 91), 212712#(<= ULTIMATE.start_main_~i~4 90), 212719#(<= ULTIMATE.start_main_~i~4 97), 212718#(<= ULTIMATE.start_main_~i~4 96), 212717#(<= ULTIMATE.start_main_~i~4 95), 212716#(<= ULTIMATE.start_main_~i~4 94), 212723#(<= ULTIMATE.start_main_~i~4 101), 212722#(<= ULTIMATE.start_main_~i~4 100), 212721#(<= ULTIMATE.start_main_~i~4 99), 212720#(<= ULTIMATE.start_main_~i~4 98), 212727#(<= ULTIMATE.start_main_~i~4 105), 212726#(<= ULTIMATE.start_main_~i~4 104), 212725#(<= ULTIMATE.start_main_~i~4 103), 212724#(<= ULTIMATE.start_main_~i~4 102), 212731#(<= ULTIMATE.start_main_~i~4 109), 212730#(<= ULTIMATE.start_main_~i~4 108), 212729#(<= ULTIMATE.start_main_~i~4 107), 212728#(<= ULTIMATE.start_main_~i~4 106), 212735#(<= ULTIMATE.start_main_~i~4 113), 212734#(<= ULTIMATE.start_main_~i~4 112), 212733#(<= ULTIMATE.start_main_~i~4 111), 212732#(<= ULTIMATE.start_main_~i~4 110), 212739#(<= ULTIMATE.start_main_~i~4 117), 212738#(<= ULTIMATE.start_main_~i~4 116), 212737#(<= ULTIMATE.start_main_~i~4 115), 212736#(<= ULTIMATE.start_main_~i~4 114), 212743#(<= ULTIMATE.start_main_~i~4 121), 212742#(<= ULTIMATE.start_main_~i~4 120), 212741#(<= ULTIMATE.start_main_~i~4 119), 212740#(<= ULTIMATE.start_main_~i~4 118), 212747#(<= ULTIMATE.start_main_~i~4 125), 212746#(<= ULTIMATE.start_main_~i~4 124), 212745#(<= ULTIMATE.start_main_~i~4 123), 212744#(<= ULTIMATE.start_main_~i~4 122), 212751#(<= ULTIMATE.start_main_~i~4 129), 212750#(<= ULTIMATE.start_main_~i~4 128), 212749#(<= ULTIMATE.start_main_~i~4 127), 212748#(<= ULTIMATE.start_main_~i~4 126), 212755#(<= ULTIMATE.start_main_~i~4 133), 212754#(<= ULTIMATE.start_main_~i~4 132), 212753#(<= ULTIMATE.start_main_~i~4 131), 212752#(<= ULTIMATE.start_main_~i~4 130), 212759#(<= ULTIMATE.start_main_~i~4 137), 212758#(<= ULTIMATE.start_main_~i~4 136), 212757#(<= ULTIMATE.start_main_~i~4 135), 212756#(<= ULTIMATE.start_main_~i~4 134), 212763#(<= ULTIMATE.start_main_~i~4 141), 212762#(<= ULTIMATE.start_main_~i~4 140), 212761#(<= ULTIMATE.start_main_~i~4 139), 212760#(<= ULTIMATE.start_main_~i~4 138), 212767#(<= ULTIMATE.start_main_~i~4 145), 212766#(<= ULTIMATE.start_main_~i~4 144), 212765#(<= ULTIMATE.start_main_~i~4 143), 212764#(<= ULTIMATE.start_main_~i~4 142), 212771#(<= ULTIMATE.start_main_~i~4 149), 212770#(<= ULTIMATE.start_main_~i~4 148), 212769#(<= ULTIMATE.start_main_~i~4 147), 212768#(<= ULTIMATE.start_main_~i~4 146), 212775#(<= ULTIMATE.start_main_~i~4 153), 212774#(<= ULTIMATE.start_main_~i~4 152), 212773#(<= ULTIMATE.start_main_~i~4 151), 212772#(<= ULTIMATE.start_main_~i~4 150), 212779#(<= ULTIMATE.start_main_~i~4 157), 212778#(<= ULTIMATE.start_main_~i~4 156), 212777#(<= ULTIMATE.start_main_~i~4 155), 212776#(<= ULTIMATE.start_main_~i~4 154), 212783#(<= ULTIMATE.start_main_~i~4 161), 212782#(<= ULTIMATE.start_main_~i~4 160), 212781#(<= ULTIMATE.start_main_~i~4 159), 212780#(<= ULTIMATE.start_main_~i~4 158), 212787#(<= ULTIMATE.start_main_~i~4 165), 212786#(<= ULTIMATE.start_main_~i~4 164), 212785#(<= ULTIMATE.start_main_~i~4 163), 212784#(<= ULTIMATE.start_main_~i~4 162), 212791#(<= ULTIMATE.start_main_~i~4 169), 212790#(<= ULTIMATE.start_main_~i~4 168), 212789#(<= ULTIMATE.start_main_~i~4 167), 212788#(<= ULTIMATE.start_main_~i~4 166), 212795#(<= ULTIMATE.start_main_~i~4 173), 212794#(<= ULTIMATE.start_main_~i~4 172), 212793#(<= ULTIMATE.start_main_~i~4 171), 212792#(<= ULTIMATE.start_main_~i~4 170), 212799#(<= ULTIMATE.start_main_~i~4 177), 212798#(<= ULTIMATE.start_main_~i~4 176), 212797#(<= ULTIMATE.start_main_~i~4 175), 212796#(<= ULTIMATE.start_main_~i~4 174), 212803#(<= ULTIMATE.start_main_~i~4 181), 212802#(<= ULTIMATE.start_main_~i~4 180), 212801#(<= ULTIMATE.start_main_~i~4 179), 212800#(<= ULTIMATE.start_main_~i~4 178), 212807#(<= ULTIMATE.start_main_~i~4 185), 212806#(<= ULTIMATE.start_main_~i~4 184), 212805#(<= ULTIMATE.start_main_~i~4 183), 212804#(<= ULTIMATE.start_main_~i~4 182), 212811#(<= ULTIMATE.start_main_~i~4 189), 212810#(<= ULTIMATE.start_main_~i~4 188), 212809#(<= ULTIMATE.start_main_~i~4 187), 212808#(<= ULTIMATE.start_main_~i~4 186), 212815#(<= ULTIMATE.start_main_~i~4 193), 212814#(<= ULTIMATE.start_main_~i~4 192), 212813#(<= ULTIMATE.start_main_~i~4 191), 212812#(<= ULTIMATE.start_main_~i~4 190), 212819#(<= ULTIMATE.start_main_~i~4 197), 212818#(<= ULTIMATE.start_main_~i~4 196), 212817#(<= ULTIMATE.start_main_~i~4 195), 212816#(<= ULTIMATE.start_main_~i~4 194), 212823#(<= ULTIMATE.start_main_~i~4 201), 212822#(<= ULTIMATE.start_main_~i~4 200), 212821#(<= ULTIMATE.start_main_~i~4 199), 212820#(<= ULTIMATE.start_main_~i~4 198), 212827#(<= ULTIMATE.start_main_~i~4 205), 212826#(<= ULTIMATE.start_main_~i~4 204), 212825#(<= ULTIMATE.start_main_~i~4 203), 212824#(<= ULTIMATE.start_main_~i~4 202), 212831#(<= ULTIMATE.start_main_~i~4 209), 212830#(<= ULTIMATE.start_main_~i~4 208), 212829#(<= ULTIMATE.start_main_~i~4 207), 212828#(<= ULTIMATE.start_main_~i~4 206), 212835#(<= ULTIMATE.start_main_~i~4 213), 212834#(<= ULTIMATE.start_main_~i~4 212), 212833#(<= ULTIMATE.start_main_~i~4 211), 212832#(<= ULTIMATE.start_main_~i~4 210), 212836#(<= ULTIMATE.start_main_~i~4 214)] [2018-07-23 13:46:37,285 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 13:46:37,285 INFO L450 AbstractCegarLoop]: Interpolant automaton has 217 states [2018-07-23 13:46:37,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 217 interpolants. [2018-07-23 13:46:37,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:46:37,288 INFO L87 Difference]: Start difference. First operand 433 states and 433 transitions. Second operand 217 states. [2018-07-23 13:46:38,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:38,745 INFO L93 Difference]: Finished difference Result 437 states and 437 transitions. [2018-07-23 13:46:38,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2018-07-23 13:46:38,745 INFO L78 Accepts]: Start accepts. Automaton has 217 states. Word has length 432 [2018-07-23 13:46:38,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:38,746 INFO L225 Difference]: With dead ends: 437 [2018-07-23 13:46:38,746 INFO L226 Difference]: Without dead ends: 435 [2018-07-23 13:46:38,747 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23436, Invalid=23436, Unknown=0, NotChecked=0, Total=46872 [2018-07-23 13:46:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-07-23 13:46:38,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2018-07-23 13:46:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-07-23 13:46:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 435 transitions. [2018-07-23 13:46:38,752 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 435 transitions. Word has length 432 [2018-07-23 13:46:38,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:38,752 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 435 transitions. [2018-07-23 13:46:38,752 INFO L472 AbstractCegarLoop]: Interpolant automaton has 217 states. [2018-07-23 13:46:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 435 transitions. [2018-07-23 13:46:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-07-23 13:46:38,754 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:38,754 INFO L357 BasicCegarLoop]: trace histogram [216, 215, 1, 1, 1] [2018-07-23 13:46:38,754 INFO L414 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:38,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1163083139, now seen corresponding path program 215 times [2018-07-23 13:46:38,754 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:40,403 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 13:46:40,404 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:40,404 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [217] total 217 [2018-07-23 13:46:40,404 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,405 INFO L185 omatonBuilderFactory]: Interpolants [214583#(<= ULTIMATE.start_main_~i~4 0), 214582#false, 214581#true, 214587#(<= ULTIMATE.start_main_~i~4 4), 214586#(<= ULTIMATE.start_main_~i~4 3), 214585#(<= ULTIMATE.start_main_~i~4 2), 214584#(<= ULTIMATE.start_main_~i~4 1), 214591#(<= ULTIMATE.start_main_~i~4 8), 214590#(<= ULTIMATE.start_main_~i~4 7), 214589#(<= ULTIMATE.start_main_~i~4 6), 214588#(<= ULTIMATE.start_main_~i~4 5), 214595#(<= ULTIMATE.start_main_~i~4 12), 214594#(<= ULTIMATE.start_main_~i~4 11), 214593#(<= ULTIMATE.start_main_~i~4 10), 214592#(<= ULTIMATE.start_main_~i~4 9), 214599#(<= ULTIMATE.start_main_~i~4 16), 214598#(<= ULTIMATE.start_main_~i~4 15), 214597#(<= ULTIMATE.start_main_~i~4 14), 214596#(<= ULTIMATE.start_main_~i~4 13), 214603#(<= ULTIMATE.start_main_~i~4 20), 214602#(<= ULTIMATE.start_main_~i~4 19), 214601#(<= ULTIMATE.start_main_~i~4 18), 214600#(<= ULTIMATE.start_main_~i~4 17), 214607#(<= ULTIMATE.start_main_~i~4 24), 214606#(<= ULTIMATE.start_main_~i~4 23), 214605#(<= ULTIMATE.start_main_~i~4 22), 214604#(<= ULTIMATE.start_main_~i~4 21), 214611#(<= ULTIMATE.start_main_~i~4 28), 214610#(<= ULTIMATE.start_main_~i~4 27), 214609#(<= ULTIMATE.start_main_~i~4 26), 214608#(<= ULTIMATE.start_main_~i~4 25), 214615#(<= ULTIMATE.start_main_~i~4 32), 214614#(<= ULTIMATE.start_main_~i~4 31), 214613#(<= ULTIMATE.start_main_~i~4 30), 214612#(<= ULTIMATE.start_main_~i~4 29), 214619#(<= ULTIMATE.start_main_~i~4 36), 214618#(<= ULTIMATE.start_main_~i~4 35), 214617#(<= ULTIMATE.start_main_~i~4 34), 214616#(<= ULTIMATE.start_main_~i~4 33), 214623#(<= ULTIMATE.start_main_~i~4 40), 214622#(<= ULTIMATE.start_main_~i~4 39), 214621#(<= ULTIMATE.start_main_~i~4 38), 214620#(<= ULTIMATE.start_main_~i~4 37), 214627#(<= ULTIMATE.start_main_~i~4 44), 214626#(<= ULTIMATE.start_main_~i~4 43), 214625#(<= ULTIMATE.start_main_~i~4 42), 214624#(<= ULTIMATE.start_main_~i~4 41), 214631#(<= ULTIMATE.start_main_~i~4 48), 214630#(<= ULTIMATE.start_main_~i~4 47), 214629#(<= ULTIMATE.start_main_~i~4 46), 214628#(<= ULTIMATE.start_main_~i~4 45), 214635#(<= ULTIMATE.start_main_~i~4 52), 214634#(<= ULTIMATE.start_main_~i~4 51), 214633#(<= ULTIMATE.start_main_~i~4 50), 214632#(<= ULTIMATE.start_main_~i~4 49), 214639#(<= ULTIMATE.start_main_~i~4 56), 214638#(<= ULTIMATE.start_main_~i~4 55), 214637#(<= ULTIMATE.start_main_~i~4 54), 214636#(<= ULTIMATE.start_main_~i~4 53), 214643#(<= ULTIMATE.start_main_~i~4 60), 214642#(<= ULTIMATE.start_main_~i~4 59), 214641#(<= ULTIMATE.start_main_~i~4 58), 214640#(<= ULTIMATE.start_main_~i~4 57), 214647#(<= ULTIMATE.start_main_~i~4 64), 214646#(<= ULTIMATE.start_main_~i~4 63), 214645#(<= ULTIMATE.start_main_~i~4 62), 214644#(<= ULTIMATE.start_main_~i~4 61), 214651#(<= ULTIMATE.start_main_~i~4 68), 214650#(<= ULTIMATE.start_main_~i~4 67), 214649#(<= ULTIMATE.start_main_~i~4 66), 214648#(<= ULTIMATE.start_main_~i~4 65), 214655#(<= ULTIMATE.start_main_~i~4 72), 214654#(<= ULTIMATE.start_main_~i~4 71), 214653#(<= ULTIMATE.start_main_~i~4 70), 214652#(<= ULTIMATE.start_main_~i~4 69), 214659#(<= ULTIMATE.start_main_~i~4 76), 214658#(<= ULTIMATE.start_main_~i~4 75), 214657#(<= ULTIMATE.start_main_~i~4 74), 214656#(<= ULTIMATE.start_main_~i~4 73), 214663#(<= ULTIMATE.start_main_~i~4 80), 214662#(<= ULTIMATE.start_main_~i~4 79), 214661#(<= ULTIMATE.start_main_~i~4 78), 214660#(<= ULTIMATE.start_main_~i~4 77), 214667#(<= ULTIMATE.start_main_~i~4 84), 214666#(<= ULTIMATE.start_main_~i~4 83), 214665#(<= ULTIMATE.start_main_~i~4 82), 214664#(<= ULTIMATE.start_main_~i~4 81), 214671#(<= ULTIMATE.start_main_~i~4 88), 214670#(<= ULTIMATE.start_main_~i~4 87), 214669#(<= ULTIMATE.start_main_~i~4 86), 214668#(<= ULTIMATE.start_main_~i~4 85), 214675#(<= ULTIMATE.start_main_~i~4 92), 214674#(<= ULTIMATE.start_main_~i~4 91), 214673#(<= ULTIMATE.start_main_~i~4 90), 214672#(<= ULTIMATE.start_main_~i~4 89), 214679#(<= ULTIMATE.start_main_~i~4 96), 214678#(<= ULTIMATE.start_main_~i~4 95), 214677#(<= ULTIMATE.start_main_~i~4 94), 214676#(<= ULTIMATE.start_main_~i~4 93), 214683#(<= ULTIMATE.start_main_~i~4 100), 214682#(<= ULTIMATE.start_main_~i~4 99), 214681#(<= ULTIMATE.start_main_~i~4 98), 214680#(<= ULTIMATE.start_main_~i~4 97), 214687#(<= ULTIMATE.start_main_~i~4 104), 214686#(<= ULTIMATE.start_main_~i~4 103), 214685#(<= ULTIMATE.start_main_~i~4 102), 214684#(<= ULTIMATE.start_main_~i~4 101), 214691#(<= ULTIMATE.start_main_~i~4 108), 214690#(<= ULTIMATE.start_main_~i~4 107), 214689#(<= ULTIMATE.start_main_~i~4 106), 214688#(<= ULTIMATE.start_main_~i~4 105), 214695#(<= ULTIMATE.start_main_~i~4 112), 214694#(<= ULTIMATE.start_main_~i~4 111), 214693#(<= ULTIMATE.start_main_~i~4 110), 214692#(<= ULTIMATE.start_main_~i~4 109), 214699#(<= ULTIMATE.start_main_~i~4 116), 214698#(<= ULTIMATE.start_main_~i~4 115), 214697#(<= ULTIMATE.start_main_~i~4 114), 214696#(<= ULTIMATE.start_main_~i~4 113), 214703#(<= ULTIMATE.start_main_~i~4 120), 214702#(<= ULTIMATE.start_main_~i~4 119), 214701#(<= ULTIMATE.start_main_~i~4 118), 214700#(<= ULTIMATE.start_main_~i~4 117), 214707#(<= ULTIMATE.start_main_~i~4 124), 214706#(<= ULTIMATE.start_main_~i~4 123), 214705#(<= ULTIMATE.start_main_~i~4 122), 214704#(<= ULTIMATE.start_main_~i~4 121), 214711#(<= ULTIMATE.start_main_~i~4 128), 214710#(<= ULTIMATE.start_main_~i~4 127), 214709#(<= ULTIMATE.start_main_~i~4 126), 214708#(<= ULTIMATE.start_main_~i~4 125), 214715#(<= ULTIMATE.start_main_~i~4 132), 214714#(<= ULTIMATE.start_main_~i~4 131), 214713#(<= ULTIMATE.start_main_~i~4 130), 214712#(<= ULTIMATE.start_main_~i~4 129), 214719#(<= ULTIMATE.start_main_~i~4 136), 214718#(<= ULTIMATE.start_main_~i~4 135), 214717#(<= ULTIMATE.start_main_~i~4 134), 214716#(<= ULTIMATE.start_main_~i~4 133), 214723#(<= ULTIMATE.start_main_~i~4 140), 214722#(<= ULTIMATE.start_main_~i~4 139), 214721#(<= ULTIMATE.start_main_~i~4 138), 214720#(<= ULTIMATE.start_main_~i~4 137), 214727#(<= ULTIMATE.start_main_~i~4 144), 214726#(<= ULTIMATE.start_main_~i~4 143), 214725#(<= ULTIMATE.start_main_~i~4 142), 214724#(<= ULTIMATE.start_main_~i~4 141), 214731#(<= ULTIMATE.start_main_~i~4 148), 214730#(<= ULTIMATE.start_main_~i~4 147), 214729#(<= ULTIMATE.start_main_~i~4 146), 214728#(<= ULTIMATE.start_main_~i~4 145), 214735#(<= ULTIMATE.start_main_~i~4 152), 214734#(<= ULTIMATE.start_main_~i~4 151), 214733#(<= ULTIMATE.start_main_~i~4 150), 214732#(<= ULTIMATE.start_main_~i~4 149), 214739#(<= ULTIMATE.start_main_~i~4 156), 214738#(<= ULTIMATE.start_main_~i~4 155), 214737#(<= ULTIMATE.start_main_~i~4 154), 214736#(<= ULTIMATE.start_main_~i~4 153), 214743#(<= ULTIMATE.start_main_~i~4 160), 214742#(<= ULTIMATE.start_main_~i~4 159), 214741#(<= ULTIMATE.start_main_~i~4 158), 214740#(<= ULTIMATE.start_main_~i~4 157), 214747#(<= ULTIMATE.start_main_~i~4 164), 214746#(<= ULTIMATE.start_main_~i~4 163), 214745#(<= ULTIMATE.start_main_~i~4 162), 214744#(<= ULTIMATE.start_main_~i~4 161), 214751#(<= ULTIMATE.start_main_~i~4 168), 214750#(<= ULTIMATE.start_main_~i~4 167), 214749#(<= ULTIMATE.start_main_~i~4 166), 214748#(<= ULTIMATE.start_main_~i~4 165), 214755#(<= ULTIMATE.start_main_~i~4 172), 214754#(<= ULTIMATE.start_main_~i~4 171), 214753#(<= ULTIMATE.start_main_~i~4 170), 214752#(<= ULTIMATE.start_main_~i~4 169), 214759#(<= ULTIMATE.start_main_~i~4 176), 214758#(<= ULTIMATE.start_main_~i~4 175), 214757#(<= ULTIMATE.start_main_~i~4 174), 214756#(<= ULTIMATE.start_main_~i~4 173), 214763#(<= ULTIMATE.start_main_~i~4 180), 214762#(<= ULTIMATE.start_main_~i~4 179), 214761#(<= ULTIMATE.start_main_~i~4 178), 214760#(<= ULTIMATE.start_main_~i~4 177), 214767#(<= ULTIMATE.start_main_~i~4 184), 214766#(<= ULTIMATE.start_main_~i~4 183), 214765#(<= ULTIMATE.start_main_~i~4 182), 214764#(<= ULTIMATE.start_main_~i~4 181), 214771#(<= ULTIMATE.start_main_~i~4 188), 214770#(<= ULTIMATE.start_main_~i~4 187), 214769#(<= ULTIMATE.start_main_~i~4 186), 214768#(<= ULTIMATE.start_main_~i~4 185), 214775#(<= ULTIMATE.start_main_~i~4 192), 214774#(<= ULTIMATE.start_main_~i~4 191), 214773#(<= ULTIMATE.start_main_~i~4 190), 214772#(<= ULTIMATE.start_main_~i~4 189), 214779#(<= ULTIMATE.start_main_~i~4 196), 214778#(<= ULTIMATE.start_main_~i~4 195), 214777#(<= ULTIMATE.start_main_~i~4 194), 214776#(<= ULTIMATE.start_main_~i~4 193), 214783#(<= ULTIMATE.start_main_~i~4 200), 214782#(<= ULTIMATE.start_main_~i~4 199), 214781#(<= ULTIMATE.start_main_~i~4 198), 214780#(<= ULTIMATE.start_main_~i~4 197), 214787#(<= ULTIMATE.start_main_~i~4 204), 214786#(<= ULTIMATE.start_main_~i~4 203), 214785#(<= ULTIMATE.start_main_~i~4 202), 214784#(<= ULTIMATE.start_main_~i~4 201), 214791#(<= ULTIMATE.start_main_~i~4 208), 214790#(<= ULTIMATE.start_main_~i~4 207), 214789#(<= ULTIMATE.start_main_~i~4 206), 214788#(<= ULTIMATE.start_main_~i~4 205), 214795#(<= ULTIMATE.start_main_~i~4 212), 214794#(<= ULTIMATE.start_main_~i~4 211), 214793#(<= ULTIMATE.start_main_~i~4 210), 214792#(<= ULTIMATE.start_main_~i~4 209), 214798#(<= ULTIMATE.start_main_~i~4 215), 214797#(<= ULTIMATE.start_main_~i~4 214), 214796#(<= ULTIMATE.start_main_~i~4 213)] [2018-07-23 13:46:40,407 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 13:46:40,408 INFO L450 AbstractCegarLoop]: Interpolant automaton has 218 states [2018-07-23 13:46:40,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2018-07-23 13:46:40,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:46:40,416 INFO L87 Difference]: Start difference. First operand 435 states and 435 transitions. Second operand 218 states. [2018-07-23 13:46:43,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:43,674 INFO L93 Difference]: Finished difference Result 439 states and 439 transitions. [2018-07-23 13:46:43,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2018-07-23 13:46:43,674 INFO L78 Accepts]: Start accepts. Automaton has 218 states. Word has length 434 [2018-07-23 13:46:43,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:43,675 INFO L225 Difference]: With dead ends: 439 [2018-07-23 13:46:43,675 INFO L226 Difference]: Without dead ends: 437 [2018-07-23 13:46:43,677 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23653, Invalid=23653, Unknown=0, NotChecked=0, Total=47306 [2018-07-23 13:46:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-07-23 13:46:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2018-07-23 13:46:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-07-23 13:46:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 437 transitions. [2018-07-23 13:46:43,682 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 437 transitions. Word has length 434 [2018-07-23 13:46:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:43,682 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 437 transitions. [2018-07-23 13:46:43,682 INFO L472 AbstractCegarLoop]: Interpolant automaton has 218 states. [2018-07-23 13:46:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 437 transitions. [2018-07-23 13:46:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2018-07-23 13:46:43,683 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:43,683 INFO L357 BasicCegarLoop]: trace histogram [217, 216, 1, 1, 1] [2018-07-23 13:46:43,683 INFO L414 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:43,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1031347529, now seen corresponding path program 216 times [2018-07-23 13:46:43,684 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:45,211 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 13:46:45,212 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:45,212 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [218] total 218 [2018-07-23 13:46:45,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:45,213 INFO L185 omatonBuilderFactory]: Interpolants [216579#(<= ULTIMATE.start_main_~i~4 26), 216578#(<= ULTIMATE.start_main_~i~4 25), 216577#(<= ULTIMATE.start_main_~i~4 24), 216576#(<= ULTIMATE.start_main_~i~4 23), 216583#(<= ULTIMATE.start_main_~i~4 30), 216582#(<= ULTIMATE.start_main_~i~4 29), 216581#(<= ULTIMATE.start_main_~i~4 28), 216580#(<= ULTIMATE.start_main_~i~4 27), 216587#(<= ULTIMATE.start_main_~i~4 34), 216586#(<= ULTIMATE.start_main_~i~4 33), 216585#(<= ULTIMATE.start_main_~i~4 32), 216584#(<= ULTIMATE.start_main_~i~4 31), 216591#(<= ULTIMATE.start_main_~i~4 38), 216590#(<= ULTIMATE.start_main_~i~4 37), 216589#(<= ULTIMATE.start_main_~i~4 36), 216588#(<= ULTIMATE.start_main_~i~4 35), 216595#(<= ULTIMATE.start_main_~i~4 42), 216594#(<= ULTIMATE.start_main_~i~4 41), 216593#(<= ULTIMATE.start_main_~i~4 40), 216592#(<= ULTIMATE.start_main_~i~4 39), 216599#(<= ULTIMATE.start_main_~i~4 46), 216598#(<= ULTIMATE.start_main_~i~4 45), 216597#(<= ULTIMATE.start_main_~i~4 44), 216596#(<= ULTIMATE.start_main_~i~4 43), 216603#(<= ULTIMATE.start_main_~i~4 50), 216602#(<= ULTIMATE.start_main_~i~4 49), 216601#(<= ULTIMATE.start_main_~i~4 48), 216600#(<= ULTIMATE.start_main_~i~4 47), 216607#(<= ULTIMATE.start_main_~i~4 54), 216606#(<= ULTIMATE.start_main_~i~4 53), 216605#(<= ULTIMATE.start_main_~i~4 52), 216604#(<= ULTIMATE.start_main_~i~4 51), 216611#(<= ULTIMATE.start_main_~i~4 58), 216610#(<= ULTIMATE.start_main_~i~4 57), 216609#(<= ULTIMATE.start_main_~i~4 56), 216608#(<= ULTIMATE.start_main_~i~4 55), 216615#(<= ULTIMATE.start_main_~i~4 62), 216614#(<= ULTIMATE.start_main_~i~4 61), 216613#(<= ULTIMATE.start_main_~i~4 60), 216612#(<= ULTIMATE.start_main_~i~4 59), 216619#(<= ULTIMATE.start_main_~i~4 66), 216618#(<= ULTIMATE.start_main_~i~4 65), 216617#(<= ULTIMATE.start_main_~i~4 64), 216616#(<= ULTIMATE.start_main_~i~4 63), 216623#(<= ULTIMATE.start_main_~i~4 70), 216622#(<= ULTIMATE.start_main_~i~4 69), 216621#(<= ULTIMATE.start_main_~i~4 68), 216620#(<= ULTIMATE.start_main_~i~4 67), 216627#(<= ULTIMATE.start_main_~i~4 74), 216626#(<= ULTIMATE.start_main_~i~4 73), 216625#(<= ULTIMATE.start_main_~i~4 72), 216624#(<= ULTIMATE.start_main_~i~4 71), 216631#(<= ULTIMATE.start_main_~i~4 78), 216630#(<= ULTIMATE.start_main_~i~4 77), 216629#(<= ULTIMATE.start_main_~i~4 76), 216628#(<= ULTIMATE.start_main_~i~4 75), 216635#(<= ULTIMATE.start_main_~i~4 82), 216634#(<= ULTIMATE.start_main_~i~4 81), 216633#(<= ULTIMATE.start_main_~i~4 80), 216632#(<= ULTIMATE.start_main_~i~4 79), 216639#(<= ULTIMATE.start_main_~i~4 86), 216638#(<= ULTIMATE.start_main_~i~4 85), 216637#(<= ULTIMATE.start_main_~i~4 84), 216636#(<= ULTIMATE.start_main_~i~4 83), 216643#(<= ULTIMATE.start_main_~i~4 90), 216642#(<= ULTIMATE.start_main_~i~4 89), 216641#(<= ULTIMATE.start_main_~i~4 88), 216640#(<= ULTIMATE.start_main_~i~4 87), 216647#(<= ULTIMATE.start_main_~i~4 94), 216646#(<= ULTIMATE.start_main_~i~4 93), 216645#(<= ULTIMATE.start_main_~i~4 92), 216644#(<= ULTIMATE.start_main_~i~4 91), 216651#(<= ULTIMATE.start_main_~i~4 98), 216650#(<= ULTIMATE.start_main_~i~4 97), 216649#(<= ULTIMATE.start_main_~i~4 96), 216648#(<= ULTIMATE.start_main_~i~4 95), 216655#(<= ULTIMATE.start_main_~i~4 102), 216654#(<= ULTIMATE.start_main_~i~4 101), 216653#(<= ULTIMATE.start_main_~i~4 100), 216652#(<= ULTIMATE.start_main_~i~4 99), 216659#(<= ULTIMATE.start_main_~i~4 106), 216658#(<= ULTIMATE.start_main_~i~4 105), 216657#(<= ULTIMATE.start_main_~i~4 104), 216656#(<= ULTIMATE.start_main_~i~4 103), 216663#(<= ULTIMATE.start_main_~i~4 110), 216662#(<= ULTIMATE.start_main_~i~4 109), 216661#(<= ULTIMATE.start_main_~i~4 108), 216660#(<= ULTIMATE.start_main_~i~4 107), 216667#(<= ULTIMATE.start_main_~i~4 114), 216666#(<= ULTIMATE.start_main_~i~4 113), 216665#(<= ULTIMATE.start_main_~i~4 112), 216664#(<= ULTIMATE.start_main_~i~4 111), 216671#(<= ULTIMATE.start_main_~i~4 118), 216670#(<= ULTIMATE.start_main_~i~4 117), 216669#(<= ULTIMATE.start_main_~i~4 116), 216668#(<= ULTIMATE.start_main_~i~4 115), 216675#(<= ULTIMATE.start_main_~i~4 122), 216674#(<= ULTIMATE.start_main_~i~4 121), 216673#(<= ULTIMATE.start_main_~i~4 120), 216672#(<= ULTIMATE.start_main_~i~4 119), 216679#(<= ULTIMATE.start_main_~i~4 126), 216678#(<= ULTIMATE.start_main_~i~4 125), 216677#(<= ULTIMATE.start_main_~i~4 124), 216676#(<= ULTIMATE.start_main_~i~4 123), 216683#(<= ULTIMATE.start_main_~i~4 130), 216682#(<= ULTIMATE.start_main_~i~4 129), 216681#(<= ULTIMATE.start_main_~i~4 128), 216680#(<= ULTIMATE.start_main_~i~4 127), 216687#(<= ULTIMATE.start_main_~i~4 134), 216686#(<= ULTIMATE.start_main_~i~4 133), 216685#(<= ULTIMATE.start_main_~i~4 132), 216684#(<= ULTIMATE.start_main_~i~4 131), 216691#(<= ULTIMATE.start_main_~i~4 138), 216690#(<= ULTIMATE.start_main_~i~4 137), 216689#(<= ULTIMATE.start_main_~i~4 136), 216688#(<= ULTIMATE.start_main_~i~4 135), 216695#(<= ULTIMATE.start_main_~i~4 142), 216694#(<= ULTIMATE.start_main_~i~4 141), 216693#(<= ULTIMATE.start_main_~i~4 140), 216692#(<= ULTIMATE.start_main_~i~4 139), 216699#(<= ULTIMATE.start_main_~i~4 146), 216698#(<= ULTIMATE.start_main_~i~4 145), 216697#(<= ULTIMATE.start_main_~i~4 144), 216696#(<= ULTIMATE.start_main_~i~4 143), 216703#(<= ULTIMATE.start_main_~i~4 150), 216702#(<= ULTIMATE.start_main_~i~4 149), 216701#(<= ULTIMATE.start_main_~i~4 148), 216700#(<= ULTIMATE.start_main_~i~4 147), 216707#(<= ULTIMATE.start_main_~i~4 154), 216706#(<= ULTIMATE.start_main_~i~4 153), 216705#(<= ULTIMATE.start_main_~i~4 152), 216704#(<= ULTIMATE.start_main_~i~4 151), 216711#(<= ULTIMATE.start_main_~i~4 158), 216710#(<= ULTIMATE.start_main_~i~4 157), 216709#(<= ULTIMATE.start_main_~i~4 156), 216708#(<= ULTIMATE.start_main_~i~4 155), 216715#(<= ULTIMATE.start_main_~i~4 162), 216714#(<= ULTIMATE.start_main_~i~4 161), 216713#(<= ULTIMATE.start_main_~i~4 160), 216712#(<= ULTIMATE.start_main_~i~4 159), 216719#(<= ULTIMATE.start_main_~i~4 166), 216718#(<= ULTIMATE.start_main_~i~4 165), 216717#(<= ULTIMATE.start_main_~i~4 164), 216716#(<= ULTIMATE.start_main_~i~4 163), 216723#(<= ULTIMATE.start_main_~i~4 170), 216722#(<= ULTIMATE.start_main_~i~4 169), 216721#(<= ULTIMATE.start_main_~i~4 168), 216720#(<= ULTIMATE.start_main_~i~4 167), 216727#(<= ULTIMATE.start_main_~i~4 174), 216726#(<= ULTIMATE.start_main_~i~4 173), 216725#(<= ULTIMATE.start_main_~i~4 172), 216724#(<= ULTIMATE.start_main_~i~4 171), 216731#(<= ULTIMATE.start_main_~i~4 178), 216730#(<= ULTIMATE.start_main_~i~4 177), 216729#(<= ULTIMATE.start_main_~i~4 176), 216728#(<= ULTIMATE.start_main_~i~4 175), 216735#(<= ULTIMATE.start_main_~i~4 182), 216734#(<= ULTIMATE.start_main_~i~4 181), 216733#(<= ULTIMATE.start_main_~i~4 180), 216732#(<= ULTIMATE.start_main_~i~4 179), 216739#(<= ULTIMATE.start_main_~i~4 186), 216738#(<= ULTIMATE.start_main_~i~4 185), 216737#(<= ULTIMATE.start_main_~i~4 184), 216736#(<= ULTIMATE.start_main_~i~4 183), 216743#(<= ULTIMATE.start_main_~i~4 190), 216742#(<= ULTIMATE.start_main_~i~4 189), 216741#(<= ULTIMATE.start_main_~i~4 188), 216740#(<= ULTIMATE.start_main_~i~4 187), 216747#(<= ULTIMATE.start_main_~i~4 194), 216746#(<= ULTIMATE.start_main_~i~4 193), 216745#(<= ULTIMATE.start_main_~i~4 192), 216744#(<= ULTIMATE.start_main_~i~4 191), 216751#(<= ULTIMATE.start_main_~i~4 198), 216750#(<= ULTIMATE.start_main_~i~4 197), 216749#(<= ULTIMATE.start_main_~i~4 196), 216748#(<= ULTIMATE.start_main_~i~4 195), 216755#(<= ULTIMATE.start_main_~i~4 202), 216754#(<= ULTIMATE.start_main_~i~4 201), 216753#(<= ULTIMATE.start_main_~i~4 200), 216752#(<= ULTIMATE.start_main_~i~4 199), 216759#(<= ULTIMATE.start_main_~i~4 206), 216758#(<= ULTIMATE.start_main_~i~4 205), 216757#(<= ULTIMATE.start_main_~i~4 204), 216756#(<= ULTIMATE.start_main_~i~4 203), 216763#(<= ULTIMATE.start_main_~i~4 210), 216762#(<= ULTIMATE.start_main_~i~4 209), 216761#(<= ULTIMATE.start_main_~i~4 208), 216760#(<= ULTIMATE.start_main_~i~4 207), 216767#(<= ULTIMATE.start_main_~i~4 214), 216766#(<= ULTIMATE.start_main_~i~4 213), 216765#(<= ULTIMATE.start_main_~i~4 212), 216764#(<= ULTIMATE.start_main_~i~4 211), 216769#(<= ULTIMATE.start_main_~i~4 216), 216768#(<= ULTIMATE.start_main_~i~4 215), 216551#true, 216555#(<= ULTIMATE.start_main_~i~4 2), 216554#(<= ULTIMATE.start_main_~i~4 1), 216553#(<= ULTIMATE.start_main_~i~4 0), 216552#false, 216559#(<= ULTIMATE.start_main_~i~4 6), 216558#(<= ULTIMATE.start_main_~i~4 5), 216557#(<= ULTIMATE.start_main_~i~4 4), 216556#(<= ULTIMATE.start_main_~i~4 3), 216563#(<= ULTIMATE.start_main_~i~4 10), 216562#(<= ULTIMATE.start_main_~i~4 9), 216561#(<= ULTIMATE.start_main_~i~4 8), 216560#(<= ULTIMATE.start_main_~i~4 7), 216567#(<= ULTIMATE.start_main_~i~4 14), 216566#(<= ULTIMATE.start_main_~i~4 13), 216565#(<= ULTIMATE.start_main_~i~4 12), 216564#(<= ULTIMATE.start_main_~i~4 11), 216571#(<= ULTIMATE.start_main_~i~4 18), 216570#(<= ULTIMATE.start_main_~i~4 17), 216569#(<= ULTIMATE.start_main_~i~4 16), 216568#(<= ULTIMATE.start_main_~i~4 15), 216575#(<= ULTIMATE.start_main_~i~4 22), 216574#(<= ULTIMATE.start_main_~i~4 21), 216573#(<= ULTIMATE.start_main_~i~4 20), 216572#(<= ULTIMATE.start_main_~i~4 19)] [2018-07-23 13:46:45,215 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 13:46:45,215 INFO L450 AbstractCegarLoop]: Interpolant automaton has 219 states [2018-07-23 13:46:45,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2018-07-23 13:46:45,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:46:45,223 INFO L87 Difference]: Start difference. First operand 437 states and 437 transitions. Second operand 219 states. [2018-07-23 13:46:48,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:48,376 INFO L93 Difference]: Finished difference Result 441 states and 441 transitions. [2018-07-23 13:46:48,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2018-07-23 13:46:48,377 INFO L78 Accepts]: Start accepts. Automaton has 219 states. Word has length 436 [2018-07-23 13:46:48,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:48,377 INFO L225 Difference]: With dead ends: 441 [2018-07-23 13:46:48,378 INFO L226 Difference]: Without dead ends: 439 [2018-07-23 13:46:48,381 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23871, Invalid=23871, Unknown=0, NotChecked=0, Total=47742 [2018-07-23 13:46:48,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-07-23 13:46:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2018-07-23 13:46:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-07-23 13:46:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 439 transitions. [2018-07-23 13:46:48,386 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 439 transitions. Word has length 436 [2018-07-23 13:46:48,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:48,386 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 439 transitions. [2018-07-23 13:46:48,386 INFO L472 AbstractCegarLoop]: Interpolant automaton has 219 states. [2018-07-23 13:46:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 439 transitions. [2018-07-23 13:46:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-07-23 13:46:48,388 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:48,388 INFO L357 BasicCegarLoop]: trace histogram [218, 217, 1, 1, 1] [2018-07-23 13:46:48,388 INFO L414 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:48,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1012522097, now seen corresponding path program 217 times [2018-07-23 13:46:48,388 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:50,046 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 13:46:50,047 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:50,047 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [219] total 219 [2018-07-23 13:46:50,047 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:50,047 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 13:46:50,048 INFO L185 omatonBuilderFactory]: Interpolants [218627#(<= ULTIMATE.start_main_~i~4 95), 218626#(<= ULTIMATE.start_main_~i~4 94), 218625#(<= ULTIMATE.start_main_~i~4 93), 218624#(<= ULTIMATE.start_main_~i~4 92), 218631#(<= ULTIMATE.start_main_~i~4 99), 218630#(<= ULTIMATE.start_main_~i~4 98), 218629#(<= ULTIMATE.start_main_~i~4 97), 218628#(<= ULTIMATE.start_main_~i~4 96), 218635#(<= ULTIMATE.start_main_~i~4 103), 218634#(<= ULTIMATE.start_main_~i~4 102), 218633#(<= ULTIMATE.start_main_~i~4 101), 218632#(<= ULTIMATE.start_main_~i~4 100), 218639#(<= ULTIMATE.start_main_~i~4 107), 218638#(<= ULTIMATE.start_main_~i~4 106), 218637#(<= ULTIMATE.start_main_~i~4 105), 218636#(<= ULTIMATE.start_main_~i~4 104), 218643#(<= ULTIMATE.start_main_~i~4 111), 218642#(<= ULTIMATE.start_main_~i~4 110), 218641#(<= ULTIMATE.start_main_~i~4 109), 218640#(<= ULTIMATE.start_main_~i~4 108), 218647#(<= ULTIMATE.start_main_~i~4 115), 218646#(<= ULTIMATE.start_main_~i~4 114), 218645#(<= ULTIMATE.start_main_~i~4 113), 218644#(<= ULTIMATE.start_main_~i~4 112), 218651#(<= ULTIMATE.start_main_~i~4 119), 218650#(<= ULTIMATE.start_main_~i~4 118), 218649#(<= ULTIMATE.start_main_~i~4 117), 218648#(<= ULTIMATE.start_main_~i~4 116), 218655#(<= ULTIMATE.start_main_~i~4 123), 218654#(<= ULTIMATE.start_main_~i~4 122), 218653#(<= ULTIMATE.start_main_~i~4 121), 218652#(<= ULTIMATE.start_main_~i~4 120), 218659#(<= ULTIMATE.start_main_~i~4 127), 218658#(<= ULTIMATE.start_main_~i~4 126), 218657#(<= ULTIMATE.start_main_~i~4 125), 218656#(<= ULTIMATE.start_main_~i~4 124), 218663#(<= ULTIMATE.start_main_~i~4 131), 218662#(<= ULTIMATE.start_main_~i~4 130), 218661#(<= ULTIMATE.start_main_~i~4 129), 218660#(<= ULTIMATE.start_main_~i~4 128), 218667#(<= ULTIMATE.start_main_~i~4 135), 218666#(<= ULTIMATE.start_main_~i~4 134), 218665#(<= ULTIMATE.start_main_~i~4 133), 218664#(<= ULTIMATE.start_main_~i~4 132), 218671#(<= ULTIMATE.start_main_~i~4 139), 218670#(<= ULTIMATE.start_main_~i~4 138), 218669#(<= ULTIMATE.start_main_~i~4 137), 218668#(<= ULTIMATE.start_main_~i~4 136), 218675#(<= ULTIMATE.start_main_~i~4 143), 218674#(<= ULTIMATE.start_main_~i~4 142), 218673#(<= ULTIMATE.start_main_~i~4 141), 218672#(<= ULTIMATE.start_main_~i~4 140), 218679#(<= ULTIMATE.start_main_~i~4 147), 218678#(<= ULTIMATE.start_main_~i~4 146), 218677#(<= ULTIMATE.start_main_~i~4 145), 218676#(<= ULTIMATE.start_main_~i~4 144), 218683#(<= ULTIMATE.start_main_~i~4 151), 218682#(<= ULTIMATE.start_main_~i~4 150), 218681#(<= ULTIMATE.start_main_~i~4 149), 218680#(<= ULTIMATE.start_main_~i~4 148), 218687#(<= ULTIMATE.start_main_~i~4 155), 218686#(<= ULTIMATE.start_main_~i~4 154), 218685#(<= ULTIMATE.start_main_~i~4 153), 218684#(<= ULTIMATE.start_main_~i~4 152), 218691#(<= ULTIMATE.start_main_~i~4 159), 218690#(<= ULTIMATE.start_main_~i~4 158), 218689#(<= ULTIMATE.start_main_~i~4 157), 218688#(<= ULTIMATE.start_main_~i~4 156), 218695#(<= ULTIMATE.start_main_~i~4 163), 218694#(<= ULTIMATE.start_main_~i~4 162), 218693#(<= ULTIMATE.start_main_~i~4 161), 218692#(<= ULTIMATE.start_main_~i~4 160), 218699#(<= ULTIMATE.start_main_~i~4 167), 218698#(<= ULTIMATE.start_main_~i~4 166), 218697#(<= ULTIMATE.start_main_~i~4 165), 218696#(<= ULTIMATE.start_main_~i~4 164), 218703#(<= ULTIMATE.start_main_~i~4 171), 218702#(<= ULTIMATE.start_main_~i~4 170), 218701#(<= ULTIMATE.start_main_~i~4 169), 218700#(<= ULTIMATE.start_main_~i~4 168), 218707#(<= ULTIMATE.start_main_~i~4 175), 218706#(<= ULTIMATE.start_main_~i~4 174), 218705#(<= ULTIMATE.start_main_~i~4 173), 218704#(<= ULTIMATE.start_main_~i~4 172), 218711#(<= ULTIMATE.start_main_~i~4 179), 218710#(<= ULTIMATE.start_main_~i~4 178), 218709#(<= ULTIMATE.start_main_~i~4 177), 218708#(<= ULTIMATE.start_main_~i~4 176), 218715#(<= ULTIMATE.start_main_~i~4 183), 218714#(<= ULTIMATE.start_main_~i~4 182), 218713#(<= ULTIMATE.start_main_~i~4 181), 218712#(<= ULTIMATE.start_main_~i~4 180), 218719#(<= ULTIMATE.start_main_~i~4 187), 218718#(<= ULTIMATE.start_main_~i~4 186), 218717#(<= ULTIMATE.start_main_~i~4 185), 218716#(<= ULTIMATE.start_main_~i~4 184), 218723#(<= ULTIMATE.start_main_~i~4 191), 218722#(<= ULTIMATE.start_main_~i~4 190), 218721#(<= ULTIMATE.start_main_~i~4 189), 218720#(<= ULTIMATE.start_main_~i~4 188), 218727#(<= ULTIMATE.start_main_~i~4 195), 218726#(<= ULTIMATE.start_main_~i~4 194), 218725#(<= ULTIMATE.start_main_~i~4 193), 218724#(<= ULTIMATE.start_main_~i~4 192), 218731#(<= ULTIMATE.start_main_~i~4 199), 218730#(<= ULTIMATE.start_main_~i~4 198), 218729#(<= ULTIMATE.start_main_~i~4 197), 218728#(<= ULTIMATE.start_main_~i~4 196), 218735#(<= ULTIMATE.start_main_~i~4 203), 218734#(<= ULTIMATE.start_main_~i~4 202), 218733#(<= ULTIMATE.start_main_~i~4 201), 218732#(<= ULTIMATE.start_main_~i~4 200), 218739#(<= ULTIMATE.start_main_~i~4 207), 218738#(<= ULTIMATE.start_main_~i~4 206), 218737#(<= ULTIMATE.start_main_~i~4 205), 218736#(<= ULTIMATE.start_main_~i~4 204), 218743#(<= ULTIMATE.start_main_~i~4 211), 218742#(<= ULTIMATE.start_main_~i~4 210), 218741#(<= ULTIMATE.start_main_~i~4 209), 218740#(<= ULTIMATE.start_main_~i~4 208), 218747#(<= ULTIMATE.start_main_~i~4 215), 218746#(<= ULTIMATE.start_main_~i~4 214), 218745#(<= ULTIMATE.start_main_~i~4 213), 218744#(<= ULTIMATE.start_main_~i~4 212), 218749#(<= ULTIMATE.start_main_~i~4 217), 218748#(<= ULTIMATE.start_main_~i~4 216), 218531#false, 218530#true, 218535#(<= ULTIMATE.start_main_~i~4 3), 218534#(<= ULTIMATE.start_main_~i~4 2), 218533#(<= ULTIMATE.start_main_~i~4 1), 218532#(<= ULTIMATE.start_main_~i~4 0), 218539#(<= ULTIMATE.start_main_~i~4 7), 218538#(<= ULTIMATE.start_main_~i~4 6), 218537#(<= ULTIMATE.start_main_~i~4 5), 218536#(<= ULTIMATE.start_main_~i~4 4), 218543#(<= ULTIMATE.start_main_~i~4 11), 218542#(<= ULTIMATE.start_main_~i~4 10), 218541#(<= ULTIMATE.start_main_~i~4 9), 218540#(<= ULTIMATE.start_main_~i~4 8), 218547#(<= ULTIMATE.start_main_~i~4 15), 218546#(<= ULTIMATE.start_main_~i~4 14), 218545#(<= ULTIMATE.start_main_~i~4 13), 218544#(<= ULTIMATE.start_main_~i~4 12), 218551#(<= ULTIMATE.start_main_~i~4 19), 218550#(<= ULTIMATE.start_main_~i~4 18), 218549#(<= ULTIMATE.start_main_~i~4 17), 218548#(<= ULTIMATE.start_main_~i~4 16), 218555#(<= ULTIMATE.start_main_~i~4 23), 218554#(<= ULTIMATE.start_main_~i~4 22), 218553#(<= ULTIMATE.start_main_~i~4 21), 218552#(<= ULTIMATE.start_main_~i~4 20), 218559#(<= ULTIMATE.start_main_~i~4 27), 218558#(<= ULTIMATE.start_main_~i~4 26), 218557#(<= ULTIMATE.start_main_~i~4 25), 218556#(<= ULTIMATE.start_main_~i~4 24), 218563#(<= ULTIMATE.start_main_~i~4 31), 218562#(<= ULTIMATE.start_main_~i~4 30), 218561#(<= ULTIMATE.start_main_~i~4 29), 218560#(<= ULTIMATE.start_main_~i~4 28), 218567#(<= ULTIMATE.start_main_~i~4 35), 218566#(<= ULTIMATE.start_main_~i~4 34), 218565#(<= ULTIMATE.start_main_~i~4 33), 218564#(<= ULTIMATE.start_main_~i~4 32), 218571#(<= ULTIMATE.start_main_~i~4 39), 218570#(<= ULTIMATE.start_main_~i~4 38), 218569#(<= ULTIMATE.start_main_~i~4 37), 218568#(<= ULTIMATE.start_main_~i~4 36), 218575#(<= ULTIMATE.start_main_~i~4 43), 218574#(<= ULTIMATE.start_main_~i~4 42), 218573#(<= ULTIMATE.start_main_~i~4 41), 218572#(<= ULTIMATE.start_main_~i~4 40), 218579#(<= ULTIMATE.start_main_~i~4 47), 218578#(<= ULTIMATE.start_main_~i~4 46), 218577#(<= ULTIMATE.start_main_~i~4 45), 218576#(<= ULTIMATE.start_main_~i~4 44), 218583#(<= ULTIMATE.start_main_~i~4 51), 218582#(<= ULTIMATE.start_main_~i~4 50), 218581#(<= ULTIMATE.start_main_~i~4 49), 218580#(<= ULTIMATE.start_main_~i~4 48), 218587#(<= ULTIMATE.start_main_~i~4 55), 218586#(<= ULTIMATE.start_main_~i~4 54), 218585#(<= ULTIMATE.start_main_~i~4 53), 218584#(<= ULTIMATE.start_main_~i~4 52), 218591#(<= ULTIMATE.start_main_~i~4 59), 218590#(<= ULTIMATE.start_main_~i~4 58), 218589#(<= ULTIMATE.start_main_~i~4 57), 218588#(<= ULTIMATE.start_main_~i~4 56), 218595#(<= ULTIMATE.start_main_~i~4 63), 218594#(<= ULTIMATE.start_main_~i~4 62), 218593#(<= ULTIMATE.start_main_~i~4 61), 218592#(<= ULTIMATE.start_main_~i~4 60), 218599#(<= ULTIMATE.start_main_~i~4 67), 218598#(<= ULTIMATE.start_main_~i~4 66), 218597#(<= ULTIMATE.start_main_~i~4 65), 218596#(<= ULTIMATE.start_main_~i~4 64), 218603#(<= ULTIMATE.start_main_~i~4 71), 218602#(<= ULTIMATE.start_main_~i~4 70), 218601#(<= ULTIMATE.start_main_~i~4 69), 218600#(<= ULTIMATE.start_main_~i~4 68), 218607#(<= ULTIMATE.start_main_~i~4 75), 218606#(<= ULTIMATE.start_main_~i~4 74), 218605#(<= ULTIMATE.start_main_~i~4 73), 218604#(<= ULTIMATE.start_main_~i~4 72), 218611#(<= ULTIMATE.start_main_~i~4 79), 218610#(<= ULTIMATE.start_main_~i~4 78), 218609#(<= ULTIMATE.start_main_~i~4 77), 218608#(<= ULTIMATE.start_main_~i~4 76), 218615#(<= ULTIMATE.start_main_~i~4 83), 218614#(<= ULTIMATE.start_main_~i~4 82), 218613#(<= ULTIMATE.start_main_~i~4 81), 218612#(<= ULTIMATE.start_main_~i~4 80), 218619#(<= ULTIMATE.start_main_~i~4 87), 218618#(<= ULTIMATE.start_main_~i~4 86), 218617#(<= ULTIMATE.start_main_~i~4 85), 218616#(<= ULTIMATE.start_main_~i~4 84), 218623#(<= ULTIMATE.start_main_~i~4 91), 218622#(<= ULTIMATE.start_main_~i~4 90), 218621#(<= ULTIMATE.start_main_~i~4 89), 218620#(<= ULTIMATE.start_main_~i~4 88)] [2018-07-23 13:46:50,049 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 13:46:50,050 INFO L450 AbstractCegarLoop]: Interpolant automaton has 220 states [2018-07-23 13:46:50,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2018-07-23 13:46:50,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:46:50,052 INFO L87 Difference]: Start difference. First operand 439 states and 439 transitions. Second operand 220 states. [2018-07-23 13:46:51,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:51,104 INFO L93 Difference]: Finished difference Result 443 states and 443 transitions. [2018-07-23 13:46:51,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2018-07-23 13:46:51,105 INFO L78 Accepts]: Start accepts. Automaton has 220 states. Word has length 438 [2018-07-23 13:46:51,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:51,105 INFO L225 Difference]: With dead ends: 443 [2018-07-23 13:46:51,105 INFO L226 Difference]: Without dead ends: 441 [2018-07-23 13:46:51,107 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24090, Invalid=24090, Unknown=0, NotChecked=0, Total=48180 [2018-07-23 13:46:51,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-07-23 13:46:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2018-07-23 13:46:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-07-23 13:46:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 441 transitions. [2018-07-23 13:46:51,111 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 441 transitions. Word has length 438 [2018-07-23 13:46:51,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:51,111 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 441 transitions. [2018-07-23 13:46:51,111 INFO L472 AbstractCegarLoop]: Interpolant automaton has 220 states. [2018-07-23 13:46:51,111 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 441 transitions. [2018-07-23 13:46:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2018-07-23 13:46:51,113 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:51,113 INFO L357 BasicCegarLoop]: trace histogram [219, 218, 1, 1, 1] [2018-07-23 13:46:51,113 INFO L414 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:51,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1923788885, now seen corresponding path program 218 times [2018-07-23 13:46:51,113 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:52,676 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 13:46:52,676 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:52,676 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [220] total 220 [2018-07-23 13:46:52,676 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:52,677 INFO L185 omatonBuilderFactory]: Interpolants [220675#(<= ULTIMATE.start_main_~i~4 155), 220674#(<= ULTIMATE.start_main_~i~4 154), 220673#(<= ULTIMATE.start_main_~i~4 153), 220672#(<= ULTIMATE.start_main_~i~4 152), 220679#(<= ULTIMATE.start_main_~i~4 159), 220678#(<= ULTIMATE.start_main_~i~4 158), 220677#(<= ULTIMATE.start_main_~i~4 157), 220676#(<= ULTIMATE.start_main_~i~4 156), 220683#(<= ULTIMATE.start_main_~i~4 163), 220682#(<= ULTIMATE.start_main_~i~4 162), 220681#(<= ULTIMATE.start_main_~i~4 161), 220680#(<= ULTIMATE.start_main_~i~4 160), 220687#(<= ULTIMATE.start_main_~i~4 167), 220686#(<= ULTIMATE.start_main_~i~4 166), 220685#(<= ULTIMATE.start_main_~i~4 165), 220684#(<= ULTIMATE.start_main_~i~4 164), 220691#(<= ULTIMATE.start_main_~i~4 171), 220690#(<= ULTIMATE.start_main_~i~4 170), 220689#(<= ULTIMATE.start_main_~i~4 169), 220688#(<= ULTIMATE.start_main_~i~4 168), 220695#(<= ULTIMATE.start_main_~i~4 175), 220694#(<= ULTIMATE.start_main_~i~4 174), 220693#(<= ULTIMATE.start_main_~i~4 173), 220692#(<= ULTIMATE.start_main_~i~4 172), 220699#(<= ULTIMATE.start_main_~i~4 179), 220698#(<= ULTIMATE.start_main_~i~4 178), 220697#(<= ULTIMATE.start_main_~i~4 177), 220696#(<= ULTIMATE.start_main_~i~4 176), 220703#(<= ULTIMATE.start_main_~i~4 183), 220702#(<= ULTIMATE.start_main_~i~4 182), 220701#(<= ULTIMATE.start_main_~i~4 181), 220700#(<= ULTIMATE.start_main_~i~4 180), 220707#(<= ULTIMATE.start_main_~i~4 187), 220706#(<= ULTIMATE.start_main_~i~4 186), 220705#(<= ULTIMATE.start_main_~i~4 185), 220704#(<= ULTIMATE.start_main_~i~4 184), 220711#(<= ULTIMATE.start_main_~i~4 191), 220710#(<= ULTIMATE.start_main_~i~4 190), 220709#(<= ULTIMATE.start_main_~i~4 189), 220708#(<= ULTIMATE.start_main_~i~4 188), 220715#(<= ULTIMATE.start_main_~i~4 195), 220714#(<= ULTIMATE.start_main_~i~4 194), 220713#(<= ULTIMATE.start_main_~i~4 193), 220712#(<= ULTIMATE.start_main_~i~4 192), 220719#(<= ULTIMATE.start_main_~i~4 199), 220718#(<= ULTIMATE.start_main_~i~4 198), 220717#(<= ULTIMATE.start_main_~i~4 197), 220716#(<= ULTIMATE.start_main_~i~4 196), 220723#(<= ULTIMATE.start_main_~i~4 203), 220722#(<= ULTIMATE.start_main_~i~4 202), 220721#(<= ULTIMATE.start_main_~i~4 201), 220720#(<= ULTIMATE.start_main_~i~4 200), 220727#(<= ULTIMATE.start_main_~i~4 207), 220726#(<= ULTIMATE.start_main_~i~4 206), 220725#(<= ULTIMATE.start_main_~i~4 205), 220724#(<= ULTIMATE.start_main_~i~4 204), 220731#(<= ULTIMATE.start_main_~i~4 211), 220730#(<= ULTIMATE.start_main_~i~4 210), 220729#(<= ULTIMATE.start_main_~i~4 209), 220728#(<= ULTIMATE.start_main_~i~4 208), 220735#(<= ULTIMATE.start_main_~i~4 215), 220734#(<= ULTIMATE.start_main_~i~4 214), 220733#(<= ULTIMATE.start_main_~i~4 213), 220732#(<= ULTIMATE.start_main_~i~4 212), 220738#(<= ULTIMATE.start_main_~i~4 218), 220737#(<= ULTIMATE.start_main_~i~4 217), 220736#(<= ULTIMATE.start_main_~i~4 216), 220519#false, 220518#true, 220523#(<= ULTIMATE.start_main_~i~4 3), 220522#(<= ULTIMATE.start_main_~i~4 2), 220521#(<= ULTIMATE.start_main_~i~4 1), 220520#(<= ULTIMATE.start_main_~i~4 0), 220527#(<= ULTIMATE.start_main_~i~4 7), 220526#(<= ULTIMATE.start_main_~i~4 6), 220525#(<= ULTIMATE.start_main_~i~4 5), 220524#(<= ULTIMATE.start_main_~i~4 4), 220531#(<= ULTIMATE.start_main_~i~4 11), 220530#(<= ULTIMATE.start_main_~i~4 10), 220529#(<= ULTIMATE.start_main_~i~4 9), 220528#(<= ULTIMATE.start_main_~i~4 8), 220535#(<= ULTIMATE.start_main_~i~4 15), 220534#(<= ULTIMATE.start_main_~i~4 14), 220533#(<= ULTIMATE.start_main_~i~4 13), 220532#(<= ULTIMATE.start_main_~i~4 12), 220539#(<= ULTIMATE.start_main_~i~4 19), 220538#(<= ULTIMATE.start_main_~i~4 18), 220537#(<= ULTIMATE.start_main_~i~4 17), 220536#(<= ULTIMATE.start_main_~i~4 16), 220543#(<= ULTIMATE.start_main_~i~4 23), 220542#(<= ULTIMATE.start_main_~i~4 22), 220541#(<= ULTIMATE.start_main_~i~4 21), 220540#(<= ULTIMATE.start_main_~i~4 20), 220547#(<= ULTIMATE.start_main_~i~4 27), 220546#(<= ULTIMATE.start_main_~i~4 26), 220545#(<= ULTIMATE.start_main_~i~4 25), 220544#(<= ULTIMATE.start_main_~i~4 24), 220551#(<= ULTIMATE.start_main_~i~4 31), 220550#(<= ULTIMATE.start_main_~i~4 30), 220549#(<= ULTIMATE.start_main_~i~4 29), 220548#(<= ULTIMATE.start_main_~i~4 28), 220555#(<= ULTIMATE.start_main_~i~4 35), 220554#(<= ULTIMATE.start_main_~i~4 34), 220553#(<= ULTIMATE.start_main_~i~4 33), 220552#(<= ULTIMATE.start_main_~i~4 32), 220559#(<= ULTIMATE.start_main_~i~4 39), 220558#(<= ULTIMATE.start_main_~i~4 38), 220557#(<= ULTIMATE.start_main_~i~4 37), 220556#(<= ULTIMATE.start_main_~i~4 36), 220563#(<= ULTIMATE.start_main_~i~4 43), 220562#(<= ULTIMATE.start_main_~i~4 42), 220561#(<= ULTIMATE.start_main_~i~4 41), 220560#(<= ULTIMATE.start_main_~i~4 40), 220567#(<= ULTIMATE.start_main_~i~4 47), 220566#(<= ULTIMATE.start_main_~i~4 46), 220565#(<= ULTIMATE.start_main_~i~4 45), 220564#(<= ULTIMATE.start_main_~i~4 44), 220571#(<= ULTIMATE.start_main_~i~4 51), 220570#(<= ULTIMATE.start_main_~i~4 50), 220569#(<= ULTIMATE.start_main_~i~4 49), 220568#(<= ULTIMATE.start_main_~i~4 48), 220575#(<= ULTIMATE.start_main_~i~4 55), 220574#(<= ULTIMATE.start_main_~i~4 54), 220573#(<= ULTIMATE.start_main_~i~4 53), 220572#(<= ULTIMATE.start_main_~i~4 52), 220579#(<= ULTIMATE.start_main_~i~4 59), 220578#(<= ULTIMATE.start_main_~i~4 58), 220577#(<= ULTIMATE.start_main_~i~4 57), 220576#(<= ULTIMATE.start_main_~i~4 56), 220583#(<= ULTIMATE.start_main_~i~4 63), 220582#(<= ULTIMATE.start_main_~i~4 62), 220581#(<= ULTIMATE.start_main_~i~4 61), 220580#(<= ULTIMATE.start_main_~i~4 60), 220587#(<= ULTIMATE.start_main_~i~4 67), 220586#(<= ULTIMATE.start_main_~i~4 66), 220585#(<= ULTIMATE.start_main_~i~4 65), 220584#(<= ULTIMATE.start_main_~i~4 64), 220591#(<= ULTIMATE.start_main_~i~4 71), 220590#(<= ULTIMATE.start_main_~i~4 70), 220589#(<= ULTIMATE.start_main_~i~4 69), 220588#(<= ULTIMATE.start_main_~i~4 68), 220595#(<= ULTIMATE.start_main_~i~4 75), 220594#(<= ULTIMATE.start_main_~i~4 74), 220593#(<= ULTIMATE.start_main_~i~4 73), 220592#(<= ULTIMATE.start_main_~i~4 72), 220599#(<= ULTIMATE.start_main_~i~4 79), 220598#(<= ULTIMATE.start_main_~i~4 78), 220597#(<= ULTIMATE.start_main_~i~4 77), 220596#(<= ULTIMATE.start_main_~i~4 76), 220603#(<= ULTIMATE.start_main_~i~4 83), 220602#(<= ULTIMATE.start_main_~i~4 82), 220601#(<= ULTIMATE.start_main_~i~4 81), 220600#(<= ULTIMATE.start_main_~i~4 80), 220607#(<= ULTIMATE.start_main_~i~4 87), 220606#(<= ULTIMATE.start_main_~i~4 86), 220605#(<= ULTIMATE.start_main_~i~4 85), 220604#(<= ULTIMATE.start_main_~i~4 84), 220611#(<= ULTIMATE.start_main_~i~4 91), 220610#(<= ULTIMATE.start_main_~i~4 90), 220609#(<= ULTIMATE.start_main_~i~4 89), 220608#(<= ULTIMATE.start_main_~i~4 88), 220615#(<= ULTIMATE.start_main_~i~4 95), 220614#(<= ULTIMATE.start_main_~i~4 94), 220613#(<= ULTIMATE.start_main_~i~4 93), 220612#(<= ULTIMATE.start_main_~i~4 92), 220619#(<= ULTIMATE.start_main_~i~4 99), 220618#(<= ULTIMATE.start_main_~i~4 98), 220617#(<= ULTIMATE.start_main_~i~4 97), 220616#(<= ULTIMATE.start_main_~i~4 96), 220623#(<= ULTIMATE.start_main_~i~4 103), 220622#(<= ULTIMATE.start_main_~i~4 102), 220621#(<= ULTIMATE.start_main_~i~4 101), 220620#(<= ULTIMATE.start_main_~i~4 100), 220627#(<= ULTIMATE.start_main_~i~4 107), 220626#(<= ULTIMATE.start_main_~i~4 106), 220625#(<= ULTIMATE.start_main_~i~4 105), 220624#(<= ULTIMATE.start_main_~i~4 104), 220631#(<= ULTIMATE.start_main_~i~4 111), 220630#(<= ULTIMATE.start_main_~i~4 110), 220629#(<= ULTIMATE.start_main_~i~4 109), 220628#(<= ULTIMATE.start_main_~i~4 108), 220635#(<= ULTIMATE.start_main_~i~4 115), 220634#(<= ULTIMATE.start_main_~i~4 114), 220633#(<= ULTIMATE.start_main_~i~4 113), 220632#(<= ULTIMATE.start_main_~i~4 112), 220639#(<= ULTIMATE.start_main_~i~4 119), 220638#(<= ULTIMATE.start_main_~i~4 118), 220637#(<= ULTIMATE.start_main_~i~4 117), 220636#(<= ULTIMATE.start_main_~i~4 116), 220643#(<= ULTIMATE.start_main_~i~4 123), 220642#(<= ULTIMATE.start_main_~i~4 122), 220641#(<= ULTIMATE.start_main_~i~4 121), 220640#(<= ULTIMATE.start_main_~i~4 120), 220647#(<= ULTIMATE.start_main_~i~4 127), 220646#(<= ULTIMATE.start_main_~i~4 126), 220645#(<= ULTIMATE.start_main_~i~4 125), 220644#(<= ULTIMATE.start_main_~i~4 124), 220651#(<= ULTIMATE.start_main_~i~4 131), 220650#(<= ULTIMATE.start_main_~i~4 130), 220649#(<= ULTIMATE.start_main_~i~4 129), 220648#(<= ULTIMATE.start_main_~i~4 128), 220655#(<= ULTIMATE.start_main_~i~4 135), 220654#(<= ULTIMATE.start_main_~i~4 134), 220653#(<= ULTIMATE.start_main_~i~4 133), 220652#(<= ULTIMATE.start_main_~i~4 132), 220659#(<= ULTIMATE.start_main_~i~4 139), 220658#(<= ULTIMATE.start_main_~i~4 138), 220657#(<= ULTIMATE.start_main_~i~4 137), 220656#(<= ULTIMATE.start_main_~i~4 136), 220663#(<= ULTIMATE.start_main_~i~4 143), 220662#(<= ULTIMATE.start_main_~i~4 142), 220661#(<= ULTIMATE.start_main_~i~4 141), 220660#(<= ULTIMATE.start_main_~i~4 140), 220667#(<= ULTIMATE.start_main_~i~4 147), 220666#(<= ULTIMATE.start_main_~i~4 146), 220665#(<= ULTIMATE.start_main_~i~4 145), 220664#(<= ULTIMATE.start_main_~i~4 144), 220671#(<= ULTIMATE.start_main_~i~4 151), 220670#(<= ULTIMATE.start_main_~i~4 150), 220669#(<= ULTIMATE.start_main_~i~4 149), 220668#(<= ULTIMATE.start_main_~i~4 148)] [2018-07-23 13:46:52,679 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 13:46:52,680 INFO L450 AbstractCegarLoop]: Interpolant automaton has 221 states [2018-07-23 13:46:52,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2018-07-23 13:46:52,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:46:52,687 INFO L87 Difference]: Start difference. First operand 441 states and 441 transitions. Second operand 221 states. [2018-07-23 13:46:53,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:53,876 INFO L93 Difference]: Finished difference Result 445 states and 445 transitions. [2018-07-23 13:46:53,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2018-07-23 13:46:53,876 INFO L78 Accepts]: Start accepts. Automaton has 221 states. Word has length 440 [2018-07-23 13:46:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:53,877 INFO L225 Difference]: With dead ends: 445 [2018-07-23 13:46:53,877 INFO L226 Difference]: Without dead ends: 443 [2018-07-23 13:46:53,881 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24310, Invalid=24310, Unknown=0, NotChecked=0, Total=48620 [2018-07-23 13:46:53,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-07-23 13:46:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2018-07-23 13:46:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-07-23 13:46:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 443 transitions. [2018-07-23 13:46:53,886 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 443 transitions. Word has length 440 [2018-07-23 13:46:53,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:53,886 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 443 transitions. [2018-07-23 13:46:53,886 INFO L472 AbstractCegarLoop]: Interpolant automaton has 221 states. [2018-07-23 13:46:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 443 transitions. [2018-07-23 13:46:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2018-07-23 13:46:53,888 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:53,888 INFO L357 BasicCegarLoop]: trace histogram [220, 219, 1, 1, 1] [2018-07-23 13:46:53,888 INFO L414 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:53,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1925129115, now seen corresponding path program 219 times [2018-07-23 13:46:53,888 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:55,521 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 13:46:55,522 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:55,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [221] total 221 [2018-07-23 13:46:55,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,523 INFO L185 omatonBuilderFactory]: Interpolants [222723#(<= ULTIMATE.start_main_~i~4 206), 222722#(<= ULTIMATE.start_main_~i~4 205), 222721#(<= ULTIMATE.start_main_~i~4 204), 222720#(<= ULTIMATE.start_main_~i~4 203), 222727#(<= ULTIMATE.start_main_~i~4 210), 222726#(<= ULTIMATE.start_main_~i~4 209), 222725#(<= ULTIMATE.start_main_~i~4 208), 222724#(<= ULTIMATE.start_main_~i~4 207), 222731#(<= ULTIMATE.start_main_~i~4 214), 222730#(<= ULTIMATE.start_main_~i~4 213), 222729#(<= ULTIMATE.start_main_~i~4 212), 222728#(<= ULTIMATE.start_main_~i~4 211), 222735#(<= ULTIMATE.start_main_~i~4 218), 222734#(<= ULTIMATE.start_main_~i~4 217), 222733#(<= ULTIMATE.start_main_~i~4 216), 222732#(<= ULTIMATE.start_main_~i~4 215), 222736#(<= ULTIMATE.start_main_~i~4 219), 222515#true, 222519#(<= ULTIMATE.start_main_~i~4 2), 222518#(<= ULTIMATE.start_main_~i~4 1), 222517#(<= ULTIMATE.start_main_~i~4 0), 222516#false, 222523#(<= ULTIMATE.start_main_~i~4 6), 222522#(<= ULTIMATE.start_main_~i~4 5), 222521#(<= ULTIMATE.start_main_~i~4 4), 222520#(<= ULTIMATE.start_main_~i~4 3), 222527#(<= ULTIMATE.start_main_~i~4 10), 222526#(<= ULTIMATE.start_main_~i~4 9), 222525#(<= ULTIMATE.start_main_~i~4 8), 222524#(<= ULTIMATE.start_main_~i~4 7), 222531#(<= ULTIMATE.start_main_~i~4 14), 222530#(<= ULTIMATE.start_main_~i~4 13), 222529#(<= ULTIMATE.start_main_~i~4 12), 222528#(<= ULTIMATE.start_main_~i~4 11), 222535#(<= ULTIMATE.start_main_~i~4 18), 222534#(<= ULTIMATE.start_main_~i~4 17), 222533#(<= ULTIMATE.start_main_~i~4 16), 222532#(<= ULTIMATE.start_main_~i~4 15), 222539#(<= ULTIMATE.start_main_~i~4 22), 222538#(<= ULTIMATE.start_main_~i~4 21), 222537#(<= ULTIMATE.start_main_~i~4 20), 222536#(<= ULTIMATE.start_main_~i~4 19), 222543#(<= ULTIMATE.start_main_~i~4 26), 222542#(<= ULTIMATE.start_main_~i~4 25), 222541#(<= ULTIMATE.start_main_~i~4 24), 222540#(<= ULTIMATE.start_main_~i~4 23), 222547#(<= ULTIMATE.start_main_~i~4 30), 222546#(<= ULTIMATE.start_main_~i~4 29), 222545#(<= ULTIMATE.start_main_~i~4 28), 222544#(<= ULTIMATE.start_main_~i~4 27), 222551#(<= ULTIMATE.start_main_~i~4 34), 222550#(<= ULTIMATE.start_main_~i~4 33), 222549#(<= ULTIMATE.start_main_~i~4 32), 222548#(<= ULTIMATE.start_main_~i~4 31), 222555#(<= ULTIMATE.start_main_~i~4 38), 222554#(<= ULTIMATE.start_main_~i~4 37), 222553#(<= ULTIMATE.start_main_~i~4 36), 222552#(<= ULTIMATE.start_main_~i~4 35), 222559#(<= ULTIMATE.start_main_~i~4 42), 222558#(<= ULTIMATE.start_main_~i~4 41), 222557#(<= ULTIMATE.start_main_~i~4 40), 222556#(<= ULTIMATE.start_main_~i~4 39), 222563#(<= ULTIMATE.start_main_~i~4 46), 222562#(<= ULTIMATE.start_main_~i~4 45), 222561#(<= ULTIMATE.start_main_~i~4 44), 222560#(<= ULTIMATE.start_main_~i~4 43), 222567#(<= ULTIMATE.start_main_~i~4 50), 222566#(<= ULTIMATE.start_main_~i~4 49), 222565#(<= ULTIMATE.start_main_~i~4 48), 222564#(<= ULTIMATE.start_main_~i~4 47), 222571#(<= ULTIMATE.start_main_~i~4 54), 222570#(<= ULTIMATE.start_main_~i~4 53), 222569#(<= ULTIMATE.start_main_~i~4 52), 222568#(<= ULTIMATE.start_main_~i~4 51), 222575#(<= ULTIMATE.start_main_~i~4 58), 222574#(<= ULTIMATE.start_main_~i~4 57), 222573#(<= ULTIMATE.start_main_~i~4 56), 222572#(<= ULTIMATE.start_main_~i~4 55), 222579#(<= ULTIMATE.start_main_~i~4 62), 222578#(<= ULTIMATE.start_main_~i~4 61), 222577#(<= ULTIMATE.start_main_~i~4 60), 222576#(<= ULTIMATE.start_main_~i~4 59), 222583#(<= ULTIMATE.start_main_~i~4 66), 222582#(<= ULTIMATE.start_main_~i~4 65), 222581#(<= ULTIMATE.start_main_~i~4 64), 222580#(<= ULTIMATE.start_main_~i~4 63), 222587#(<= ULTIMATE.start_main_~i~4 70), 222586#(<= ULTIMATE.start_main_~i~4 69), 222585#(<= ULTIMATE.start_main_~i~4 68), 222584#(<= ULTIMATE.start_main_~i~4 67), 222591#(<= ULTIMATE.start_main_~i~4 74), 222590#(<= ULTIMATE.start_main_~i~4 73), 222589#(<= ULTIMATE.start_main_~i~4 72), 222588#(<= ULTIMATE.start_main_~i~4 71), 222595#(<= ULTIMATE.start_main_~i~4 78), 222594#(<= ULTIMATE.start_main_~i~4 77), 222593#(<= ULTIMATE.start_main_~i~4 76), 222592#(<= ULTIMATE.start_main_~i~4 75), 222599#(<= ULTIMATE.start_main_~i~4 82), 222598#(<= ULTIMATE.start_main_~i~4 81), 222597#(<= ULTIMATE.start_main_~i~4 80), 222596#(<= ULTIMATE.start_main_~i~4 79), 222603#(<= ULTIMATE.start_main_~i~4 86), 222602#(<= ULTIMATE.start_main_~i~4 85), 222601#(<= ULTIMATE.start_main_~i~4 84), 222600#(<= ULTIMATE.start_main_~i~4 83), 222607#(<= ULTIMATE.start_main_~i~4 90), 222606#(<= ULTIMATE.start_main_~i~4 89), 222605#(<= ULTIMATE.start_main_~i~4 88), 222604#(<= ULTIMATE.start_main_~i~4 87), 222611#(<= ULTIMATE.start_main_~i~4 94), 222610#(<= ULTIMATE.start_main_~i~4 93), 222609#(<= ULTIMATE.start_main_~i~4 92), 222608#(<= ULTIMATE.start_main_~i~4 91), 222615#(<= ULTIMATE.start_main_~i~4 98), 222614#(<= ULTIMATE.start_main_~i~4 97), 222613#(<= ULTIMATE.start_main_~i~4 96), 222612#(<= ULTIMATE.start_main_~i~4 95), 222619#(<= ULTIMATE.start_main_~i~4 102), 222618#(<= ULTIMATE.start_main_~i~4 101), 222617#(<= ULTIMATE.start_main_~i~4 100), 222616#(<= ULTIMATE.start_main_~i~4 99), 222623#(<= ULTIMATE.start_main_~i~4 106), 222622#(<= ULTIMATE.start_main_~i~4 105), 222621#(<= ULTIMATE.start_main_~i~4 104), 222620#(<= ULTIMATE.start_main_~i~4 103), 222627#(<= ULTIMATE.start_main_~i~4 110), 222626#(<= ULTIMATE.start_main_~i~4 109), 222625#(<= ULTIMATE.start_main_~i~4 108), 222624#(<= ULTIMATE.start_main_~i~4 107), 222631#(<= ULTIMATE.start_main_~i~4 114), 222630#(<= ULTIMATE.start_main_~i~4 113), 222629#(<= ULTIMATE.start_main_~i~4 112), 222628#(<= ULTIMATE.start_main_~i~4 111), 222635#(<= ULTIMATE.start_main_~i~4 118), 222634#(<= ULTIMATE.start_main_~i~4 117), 222633#(<= ULTIMATE.start_main_~i~4 116), 222632#(<= ULTIMATE.start_main_~i~4 115), 222639#(<= ULTIMATE.start_main_~i~4 122), 222638#(<= ULTIMATE.start_main_~i~4 121), 222637#(<= ULTIMATE.start_main_~i~4 120), 222636#(<= ULTIMATE.start_main_~i~4 119), 222643#(<= ULTIMATE.start_main_~i~4 126), 222642#(<= ULTIMATE.start_main_~i~4 125), 222641#(<= ULTIMATE.start_main_~i~4 124), 222640#(<= ULTIMATE.start_main_~i~4 123), 222647#(<= ULTIMATE.start_main_~i~4 130), 222646#(<= ULTIMATE.start_main_~i~4 129), 222645#(<= ULTIMATE.start_main_~i~4 128), 222644#(<= ULTIMATE.start_main_~i~4 127), 222651#(<= ULTIMATE.start_main_~i~4 134), 222650#(<= ULTIMATE.start_main_~i~4 133), 222649#(<= ULTIMATE.start_main_~i~4 132), 222648#(<= ULTIMATE.start_main_~i~4 131), 222655#(<= ULTIMATE.start_main_~i~4 138), 222654#(<= ULTIMATE.start_main_~i~4 137), 222653#(<= ULTIMATE.start_main_~i~4 136), 222652#(<= ULTIMATE.start_main_~i~4 135), 222659#(<= ULTIMATE.start_main_~i~4 142), 222658#(<= ULTIMATE.start_main_~i~4 141), 222657#(<= ULTIMATE.start_main_~i~4 140), 222656#(<= ULTIMATE.start_main_~i~4 139), 222663#(<= ULTIMATE.start_main_~i~4 146), 222662#(<= ULTIMATE.start_main_~i~4 145), 222661#(<= ULTIMATE.start_main_~i~4 144), 222660#(<= ULTIMATE.start_main_~i~4 143), 222667#(<= ULTIMATE.start_main_~i~4 150), 222666#(<= ULTIMATE.start_main_~i~4 149), 222665#(<= ULTIMATE.start_main_~i~4 148), 222664#(<= ULTIMATE.start_main_~i~4 147), 222671#(<= ULTIMATE.start_main_~i~4 154), 222670#(<= ULTIMATE.start_main_~i~4 153), 222669#(<= ULTIMATE.start_main_~i~4 152), 222668#(<= ULTIMATE.start_main_~i~4 151), 222675#(<= ULTIMATE.start_main_~i~4 158), 222674#(<= ULTIMATE.start_main_~i~4 157), 222673#(<= ULTIMATE.start_main_~i~4 156), 222672#(<= ULTIMATE.start_main_~i~4 155), 222679#(<= ULTIMATE.start_main_~i~4 162), 222678#(<= ULTIMATE.start_main_~i~4 161), 222677#(<= ULTIMATE.start_main_~i~4 160), 222676#(<= ULTIMATE.start_main_~i~4 159), 222683#(<= ULTIMATE.start_main_~i~4 166), 222682#(<= ULTIMATE.start_main_~i~4 165), 222681#(<= ULTIMATE.start_main_~i~4 164), 222680#(<= ULTIMATE.start_main_~i~4 163), 222687#(<= ULTIMATE.start_main_~i~4 170), 222686#(<= ULTIMATE.start_main_~i~4 169), 222685#(<= ULTIMATE.start_main_~i~4 168), 222684#(<= ULTIMATE.start_main_~i~4 167), 222691#(<= ULTIMATE.start_main_~i~4 174), 222690#(<= ULTIMATE.start_main_~i~4 173), 222689#(<= ULTIMATE.start_main_~i~4 172), 222688#(<= ULTIMATE.start_main_~i~4 171), 222695#(<= ULTIMATE.start_main_~i~4 178), 222694#(<= ULTIMATE.start_main_~i~4 177), 222693#(<= ULTIMATE.start_main_~i~4 176), 222692#(<= ULTIMATE.start_main_~i~4 175), 222699#(<= ULTIMATE.start_main_~i~4 182), 222698#(<= ULTIMATE.start_main_~i~4 181), 222697#(<= ULTIMATE.start_main_~i~4 180), 222696#(<= ULTIMATE.start_main_~i~4 179), 222703#(<= ULTIMATE.start_main_~i~4 186), 222702#(<= ULTIMATE.start_main_~i~4 185), 222701#(<= ULTIMATE.start_main_~i~4 184), 222700#(<= ULTIMATE.start_main_~i~4 183), 222707#(<= ULTIMATE.start_main_~i~4 190), 222706#(<= ULTIMATE.start_main_~i~4 189), 222705#(<= ULTIMATE.start_main_~i~4 188), 222704#(<= ULTIMATE.start_main_~i~4 187), 222711#(<= ULTIMATE.start_main_~i~4 194), 222710#(<= ULTIMATE.start_main_~i~4 193), 222709#(<= ULTIMATE.start_main_~i~4 192), 222708#(<= ULTIMATE.start_main_~i~4 191), 222715#(<= ULTIMATE.start_main_~i~4 198), 222714#(<= ULTIMATE.start_main_~i~4 197), 222713#(<= ULTIMATE.start_main_~i~4 196), 222712#(<= ULTIMATE.start_main_~i~4 195), 222719#(<= ULTIMATE.start_main_~i~4 202), 222718#(<= ULTIMATE.start_main_~i~4 201), 222717#(<= ULTIMATE.start_main_~i~4 200), 222716#(<= ULTIMATE.start_main_~i~4 199)] [2018-07-23 13:46:55,525 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 13:46:55,525 INFO L450 AbstractCegarLoop]: Interpolant automaton has 222 states [2018-07-23 13:46:55,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2018-07-23 13:46:55,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:46:55,532 INFO L87 Difference]: Start difference. First operand 443 states and 443 transitions. Second operand 222 states. [2018-07-23 13:46:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:58,314 INFO L93 Difference]: Finished difference Result 447 states and 447 transitions. [2018-07-23 13:46:58,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2018-07-23 13:46:58,315 INFO L78 Accepts]: Start accepts. Automaton has 222 states. Word has length 442 [2018-07-23 13:46:58,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:58,316 INFO L225 Difference]: With dead ends: 447 [2018-07-23 13:46:58,316 INFO L226 Difference]: Without dead ends: 445 [2018-07-23 13:46:58,321 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24531, Invalid=24531, Unknown=0, NotChecked=0, Total=49062 [2018-07-23 13:46:58,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-07-23 13:46:58,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2018-07-23 13:46:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-07-23 13:46:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 445 transitions. [2018-07-23 13:46:58,327 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 445 transitions. Word has length 442 [2018-07-23 13:46:58,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:58,327 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 445 transitions. [2018-07-23 13:46:58,327 INFO L472 AbstractCegarLoop]: Interpolant automaton has 222 states. [2018-07-23 13:46:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 445 transitions. [2018-07-23 13:46:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-07-23 13:46:58,329 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:58,329 INFO L357 BasicCegarLoop]: trace histogram [221, 220, 1, 1, 1] [2018-07-23 13:46:58,329 INFO L414 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:58,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1081877151, now seen corresponding path program 220 times [2018-07-23 13:46:58,329 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:00,011 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 13:47:00,012 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:00,012 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [222] total 222 [2018-07-23 13:47:00,012 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:00,013 INFO L185 omatonBuilderFactory]: Interpolants [224523#(<= ULTIMATE.start_main_~i~4 0), 224522#false, 224521#true, 224527#(<= ULTIMATE.start_main_~i~4 4), 224526#(<= ULTIMATE.start_main_~i~4 3), 224525#(<= ULTIMATE.start_main_~i~4 2), 224524#(<= ULTIMATE.start_main_~i~4 1), 224531#(<= ULTIMATE.start_main_~i~4 8), 224530#(<= ULTIMATE.start_main_~i~4 7), 224529#(<= ULTIMATE.start_main_~i~4 6), 224528#(<= ULTIMATE.start_main_~i~4 5), 224535#(<= ULTIMATE.start_main_~i~4 12), 224534#(<= ULTIMATE.start_main_~i~4 11), 224533#(<= ULTIMATE.start_main_~i~4 10), 224532#(<= ULTIMATE.start_main_~i~4 9), 224539#(<= ULTIMATE.start_main_~i~4 16), 224538#(<= ULTIMATE.start_main_~i~4 15), 224537#(<= ULTIMATE.start_main_~i~4 14), 224536#(<= ULTIMATE.start_main_~i~4 13), 224543#(<= ULTIMATE.start_main_~i~4 20), 224542#(<= ULTIMATE.start_main_~i~4 19), 224541#(<= ULTIMATE.start_main_~i~4 18), 224540#(<= ULTIMATE.start_main_~i~4 17), 224547#(<= ULTIMATE.start_main_~i~4 24), 224546#(<= ULTIMATE.start_main_~i~4 23), 224545#(<= ULTIMATE.start_main_~i~4 22), 224544#(<= ULTIMATE.start_main_~i~4 21), 224551#(<= ULTIMATE.start_main_~i~4 28), 224550#(<= ULTIMATE.start_main_~i~4 27), 224549#(<= ULTIMATE.start_main_~i~4 26), 224548#(<= ULTIMATE.start_main_~i~4 25), 224555#(<= ULTIMATE.start_main_~i~4 32), 224554#(<= ULTIMATE.start_main_~i~4 31), 224553#(<= ULTIMATE.start_main_~i~4 30), 224552#(<= ULTIMATE.start_main_~i~4 29), 224559#(<= ULTIMATE.start_main_~i~4 36), 224558#(<= ULTIMATE.start_main_~i~4 35), 224557#(<= ULTIMATE.start_main_~i~4 34), 224556#(<= ULTIMATE.start_main_~i~4 33), 224563#(<= ULTIMATE.start_main_~i~4 40), 224562#(<= ULTIMATE.start_main_~i~4 39), 224561#(<= ULTIMATE.start_main_~i~4 38), 224560#(<= ULTIMATE.start_main_~i~4 37), 224567#(<= ULTIMATE.start_main_~i~4 44), 224566#(<= ULTIMATE.start_main_~i~4 43), 224565#(<= ULTIMATE.start_main_~i~4 42), 224564#(<= ULTIMATE.start_main_~i~4 41), 224571#(<= ULTIMATE.start_main_~i~4 48), 224570#(<= ULTIMATE.start_main_~i~4 47), 224569#(<= ULTIMATE.start_main_~i~4 46), 224568#(<= ULTIMATE.start_main_~i~4 45), 224575#(<= ULTIMATE.start_main_~i~4 52), 224574#(<= ULTIMATE.start_main_~i~4 51), 224573#(<= ULTIMATE.start_main_~i~4 50), 224572#(<= ULTIMATE.start_main_~i~4 49), 224579#(<= ULTIMATE.start_main_~i~4 56), 224578#(<= ULTIMATE.start_main_~i~4 55), 224577#(<= ULTIMATE.start_main_~i~4 54), 224576#(<= ULTIMATE.start_main_~i~4 53), 224583#(<= ULTIMATE.start_main_~i~4 60), 224582#(<= ULTIMATE.start_main_~i~4 59), 224581#(<= ULTIMATE.start_main_~i~4 58), 224580#(<= ULTIMATE.start_main_~i~4 57), 224587#(<= ULTIMATE.start_main_~i~4 64), 224586#(<= ULTIMATE.start_main_~i~4 63), 224585#(<= ULTIMATE.start_main_~i~4 62), 224584#(<= ULTIMATE.start_main_~i~4 61), 224591#(<= ULTIMATE.start_main_~i~4 68), 224590#(<= ULTIMATE.start_main_~i~4 67), 224589#(<= ULTIMATE.start_main_~i~4 66), 224588#(<= ULTIMATE.start_main_~i~4 65), 224595#(<= ULTIMATE.start_main_~i~4 72), 224594#(<= ULTIMATE.start_main_~i~4 71), 224593#(<= ULTIMATE.start_main_~i~4 70), 224592#(<= ULTIMATE.start_main_~i~4 69), 224599#(<= ULTIMATE.start_main_~i~4 76), 224598#(<= ULTIMATE.start_main_~i~4 75), 224597#(<= ULTIMATE.start_main_~i~4 74), 224596#(<= ULTIMATE.start_main_~i~4 73), 224603#(<= ULTIMATE.start_main_~i~4 80), 224602#(<= ULTIMATE.start_main_~i~4 79), 224601#(<= ULTIMATE.start_main_~i~4 78), 224600#(<= ULTIMATE.start_main_~i~4 77), 224607#(<= ULTIMATE.start_main_~i~4 84), 224606#(<= ULTIMATE.start_main_~i~4 83), 224605#(<= ULTIMATE.start_main_~i~4 82), 224604#(<= ULTIMATE.start_main_~i~4 81), 224611#(<= ULTIMATE.start_main_~i~4 88), 224610#(<= ULTIMATE.start_main_~i~4 87), 224609#(<= ULTIMATE.start_main_~i~4 86), 224608#(<= ULTIMATE.start_main_~i~4 85), 224615#(<= ULTIMATE.start_main_~i~4 92), 224614#(<= ULTIMATE.start_main_~i~4 91), 224613#(<= ULTIMATE.start_main_~i~4 90), 224612#(<= ULTIMATE.start_main_~i~4 89), 224619#(<= ULTIMATE.start_main_~i~4 96), 224618#(<= ULTIMATE.start_main_~i~4 95), 224617#(<= ULTIMATE.start_main_~i~4 94), 224616#(<= ULTIMATE.start_main_~i~4 93), 224623#(<= ULTIMATE.start_main_~i~4 100), 224622#(<= ULTIMATE.start_main_~i~4 99), 224621#(<= ULTIMATE.start_main_~i~4 98), 224620#(<= ULTIMATE.start_main_~i~4 97), 224627#(<= ULTIMATE.start_main_~i~4 104), 224626#(<= ULTIMATE.start_main_~i~4 103), 224625#(<= ULTIMATE.start_main_~i~4 102), 224624#(<= ULTIMATE.start_main_~i~4 101), 224631#(<= ULTIMATE.start_main_~i~4 108), 224630#(<= ULTIMATE.start_main_~i~4 107), 224629#(<= ULTIMATE.start_main_~i~4 106), 224628#(<= ULTIMATE.start_main_~i~4 105), 224635#(<= ULTIMATE.start_main_~i~4 112), 224634#(<= ULTIMATE.start_main_~i~4 111), 224633#(<= ULTIMATE.start_main_~i~4 110), 224632#(<= ULTIMATE.start_main_~i~4 109), 224639#(<= ULTIMATE.start_main_~i~4 116), 224638#(<= ULTIMATE.start_main_~i~4 115), 224637#(<= ULTIMATE.start_main_~i~4 114), 224636#(<= ULTIMATE.start_main_~i~4 113), 224643#(<= ULTIMATE.start_main_~i~4 120), 224642#(<= ULTIMATE.start_main_~i~4 119), 224641#(<= ULTIMATE.start_main_~i~4 118), 224640#(<= ULTIMATE.start_main_~i~4 117), 224647#(<= ULTIMATE.start_main_~i~4 124), 224646#(<= ULTIMATE.start_main_~i~4 123), 224645#(<= ULTIMATE.start_main_~i~4 122), 224644#(<= ULTIMATE.start_main_~i~4 121), 224651#(<= ULTIMATE.start_main_~i~4 128), 224650#(<= ULTIMATE.start_main_~i~4 127), 224649#(<= ULTIMATE.start_main_~i~4 126), 224648#(<= ULTIMATE.start_main_~i~4 125), 224655#(<= ULTIMATE.start_main_~i~4 132), 224654#(<= ULTIMATE.start_main_~i~4 131), 224653#(<= ULTIMATE.start_main_~i~4 130), 224652#(<= ULTIMATE.start_main_~i~4 129), 224659#(<= ULTIMATE.start_main_~i~4 136), 224658#(<= ULTIMATE.start_main_~i~4 135), 224657#(<= ULTIMATE.start_main_~i~4 134), 224656#(<= ULTIMATE.start_main_~i~4 133), 224663#(<= ULTIMATE.start_main_~i~4 140), 224662#(<= ULTIMATE.start_main_~i~4 139), 224661#(<= ULTIMATE.start_main_~i~4 138), 224660#(<= ULTIMATE.start_main_~i~4 137), 224667#(<= ULTIMATE.start_main_~i~4 144), 224666#(<= ULTIMATE.start_main_~i~4 143), 224665#(<= ULTIMATE.start_main_~i~4 142), 224664#(<= ULTIMATE.start_main_~i~4 141), 224671#(<= ULTIMATE.start_main_~i~4 148), 224670#(<= ULTIMATE.start_main_~i~4 147), 224669#(<= ULTIMATE.start_main_~i~4 146), 224668#(<= ULTIMATE.start_main_~i~4 145), 224675#(<= ULTIMATE.start_main_~i~4 152), 224674#(<= ULTIMATE.start_main_~i~4 151), 224673#(<= ULTIMATE.start_main_~i~4 150), 224672#(<= ULTIMATE.start_main_~i~4 149), 224679#(<= ULTIMATE.start_main_~i~4 156), 224678#(<= ULTIMATE.start_main_~i~4 155), 224677#(<= ULTIMATE.start_main_~i~4 154), 224676#(<= ULTIMATE.start_main_~i~4 153), 224683#(<= ULTIMATE.start_main_~i~4 160), 224682#(<= ULTIMATE.start_main_~i~4 159), 224681#(<= ULTIMATE.start_main_~i~4 158), 224680#(<= ULTIMATE.start_main_~i~4 157), 224687#(<= ULTIMATE.start_main_~i~4 164), 224686#(<= ULTIMATE.start_main_~i~4 163), 224685#(<= ULTIMATE.start_main_~i~4 162), 224684#(<= ULTIMATE.start_main_~i~4 161), 224691#(<= ULTIMATE.start_main_~i~4 168), 224690#(<= ULTIMATE.start_main_~i~4 167), 224689#(<= ULTIMATE.start_main_~i~4 166), 224688#(<= ULTIMATE.start_main_~i~4 165), 224695#(<= ULTIMATE.start_main_~i~4 172), 224694#(<= ULTIMATE.start_main_~i~4 171), 224693#(<= ULTIMATE.start_main_~i~4 170), 224692#(<= ULTIMATE.start_main_~i~4 169), 224699#(<= ULTIMATE.start_main_~i~4 176), 224698#(<= ULTIMATE.start_main_~i~4 175), 224697#(<= ULTIMATE.start_main_~i~4 174), 224696#(<= ULTIMATE.start_main_~i~4 173), 224703#(<= ULTIMATE.start_main_~i~4 180), 224702#(<= ULTIMATE.start_main_~i~4 179), 224701#(<= ULTIMATE.start_main_~i~4 178), 224700#(<= ULTIMATE.start_main_~i~4 177), 224707#(<= ULTIMATE.start_main_~i~4 184), 224706#(<= ULTIMATE.start_main_~i~4 183), 224705#(<= ULTIMATE.start_main_~i~4 182), 224704#(<= ULTIMATE.start_main_~i~4 181), 224711#(<= ULTIMATE.start_main_~i~4 188), 224710#(<= ULTIMATE.start_main_~i~4 187), 224709#(<= ULTIMATE.start_main_~i~4 186), 224708#(<= ULTIMATE.start_main_~i~4 185), 224715#(<= ULTIMATE.start_main_~i~4 192), 224714#(<= ULTIMATE.start_main_~i~4 191), 224713#(<= ULTIMATE.start_main_~i~4 190), 224712#(<= ULTIMATE.start_main_~i~4 189), 224719#(<= ULTIMATE.start_main_~i~4 196), 224718#(<= ULTIMATE.start_main_~i~4 195), 224717#(<= ULTIMATE.start_main_~i~4 194), 224716#(<= ULTIMATE.start_main_~i~4 193), 224723#(<= ULTIMATE.start_main_~i~4 200), 224722#(<= ULTIMATE.start_main_~i~4 199), 224721#(<= ULTIMATE.start_main_~i~4 198), 224720#(<= ULTIMATE.start_main_~i~4 197), 224727#(<= ULTIMATE.start_main_~i~4 204), 224726#(<= ULTIMATE.start_main_~i~4 203), 224725#(<= ULTIMATE.start_main_~i~4 202), 224724#(<= ULTIMATE.start_main_~i~4 201), 224731#(<= ULTIMATE.start_main_~i~4 208), 224730#(<= ULTIMATE.start_main_~i~4 207), 224729#(<= ULTIMATE.start_main_~i~4 206), 224728#(<= ULTIMATE.start_main_~i~4 205), 224735#(<= ULTIMATE.start_main_~i~4 212), 224734#(<= ULTIMATE.start_main_~i~4 211), 224733#(<= ULTIMATE.start_main_~i~4 210), 224732#(<= ULTIMATE.start_main_~i~4 209), 224739#(<= ULTIMATE.start_main_~i~4 216), 224738#(<= ULTIMATE.start_main_~i~4 215), 224737#(<= ULTIMATE.start_main_~i~4 214), 224736#(<= ULTIMATE.start_main_~i~4 213), 224743#(<= ULTIMATE.start_main_~i~4 220), 224742#(<= ULTIMATE.start_main_~i~4 219), 224741#(<= ULTIMATE.start_main_~i~4 218), 224740#(<= ULTIMATE.start_main_~i~4 217)] [2018-07-23 13:47:00,014 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 13:47:00,014 INFO L450 AbstractCegarLoop]: Interpolant automaton has 223 states [2018-07-23 13:47:00,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2018-07-23 13:47:00,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:47:00,017 INFO L87 Difference]: Start difference. First operand 445 states and 445 transitions. Second operand 223 states. [2018-07-23 13:47:03,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:03,668 INFO L93 Difference]: Finished difference Result 449 states and 449 transitions. [2018-07-23 13:47:03,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2018-07-23 13:47:03,669 INFO L78 Accepts]: Start accepts. Automaton has 223 states. Word has length 444 [2018-07-23 13:47:03,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:03,669 INFO L225 Difference]: With dead ends: 449 [2018-07-23 13:47:03,670 INFO L226 Difference]: Without dead ends: 447 [2018-07-23 13:47:03,671 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24753, Invalid=24753, Unknown=0, NotChecked=0, Total=49506 [2018-07-23 13:47:03,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-07-23 13:47:03,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 447. [2018-07-23 13:47:03,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-07-23 13:47:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 447 transitions. [2018-07-23 13:47:03,676 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 447 transitions. Word has length 444 [2018-07-23 13:47:03,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:03,676 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 447 transitions. [2018-07-23 13:47:03,676 INFO L472 AbstractCegarLoop]: Interpolant automaton has 223 states. [2018-07-23 13:47:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 447 transitions. [2018-07-23 13:47:03,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-07-23 13:47:03,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:03,678 INFO L357 BasicCegarLoop]: trace histogram [222, 221, 1, 1, 1] [2018-07-23 13:47:03,678 INFO L414 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:03,678 INFO L82 PathProgramCache]: Analyzing trace with hash 301908569, now seen corresponding path program 221 times [2018-07-23 13:47:03,678 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:05,111 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 13:47:05,112 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:05,112 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [223] total 223 [2018-07-23 13:47:05,112 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:05,113 INFO L185 omatonBuilderFactory]: Interpolants [226539#(<= ULTIMATE.start_main_~i~4 1), 226538#(<= ULTIMATE.start_main_~i~4 0), 226537#false, 226536#true, 226543#(<= ULTIMATE.start_main_~i~4 5), 226542#(<= ULTIMATE.start_main_~i~4 4), 226541#(<= ULTIMATE.start_main_~i~4 3), 226540#(<= ULTIMATE.start_main_~i~4 2), 226547#(<= ULTIMATE.start_main_~i~4 9), 226546#(<= ULTIMATE.start_main_~i~4 8), 226545#(<= ULTIMATE.start_main_~i~4 7), 226544#(<= ULTIMATE.start_main_~i~4 6), 226551#(<= ULTIMATE.start_main_~i~4 13), 226550#(<= ULTIMATE.start_main_~i~4 12), 226549#(<= ULTIMATE.start_main_~i~4 11), 226548#(<= ULTIMATE.start_main_~i~4 10), 226555#(<= ULTIMATE.start_main_~i~4 17), 226554#(<= ULTIMATE.start_main_~i~4 16), 226553#(<= ULTIMATE.start_main_~i~4 15), 226552#(<= ULTIMATE.start_main_~i~4 14), 226559#(<= ULTIMATE.start_main_~i~4 21), 226558#(<= ULTIMATE.start_main_~i~4 20), 226557#(<= ULTIMATE.start_main_~i~4 19), 226556#(<= ULTIMATE.start_main_~i~4 18), 226563#(<= ULTIMATE.start_main_~i~4 25), 226562#(<= ULTIMATE.start_main_~i~4 24), 226561#(<= ULTIMATE.start_main_~i~4 23), 226560#(<= ULTIMATE.start_main_~i~4 22), 226567#(<= ULTIMATE.start_main_~i~4 29), 226566#(<= ULTIMATE.start_main_~i~4 28), 226565#(<= ULTIMATE.start_main_~i~4 27), 226564#(<= ULTIMATE.start_main_~i~4 26), 226571#(<= ULTIMATE.start_main_~i~4 33), 226570#(<= ULTIMATE.start_main_~i~4 32), 226569#(<= ULTIMATE.start_main_~i~4 31), 226568#(<= ULTIMATE.start_main_~i~4 30), 226575#(<= ULTIMATE.start_main_~i~4 37), 226574#(<= ULTIMATE.start_main_~i~4 36), 226573#(<= ULTIMATE.start_main_~i~4 35), 226572#(<= ULTIMATE.start_main_~i~4 34), 226579#(<= ULTIMATE.start_main_~i~4 41), 226578#(<= ULTIMATE.start_main_~i~4 40), 226577#(<= ULTIMATE.start_main_~i~4 39), 226576#(<= ULTIMATE.start_main_~i~4 38), 226583#(<= ULTIMATE.start_main_~i~4 45), 226582#(<= ULTIMATE.start_main_~i~4 44), 226581#(<= ULTIMATE.start_main_~i~4 43), 226580#(<= ULTIMATE.start_main_~i~4 42), 226587#(<= ULTIMATE.start_main_~i~4 49), 226586#(<= ULTIMATE.start_main_~i~4 48), 226585#(<= ULTIMATE.start_main_~i~4 47), 226584#(<= ULTIMATE.start_main_~i~4 46), 226591#(<= ULTIMATE.start_main_~i~4 53), 226590#(<= ULTIMATE.start_main_~i~4 52), 226589#(<= ULTIMATE.start_main_~i~4 51), 226588#(<= ULTIMATE.start_main_~i~4 50), 226595#(<= ULTIMATE.start_main_~i~4 57), 226594#(<= ULTIMATE.start_main_~i~4 56), 226593#(<= ULTIMATE.start_main_~i~4 55), 226592#(<= ULTIMATE.start_main_~i~4 54), 226599#(<= ULTIMATE.start_main_~i~4 61), 226598#(<= ULTIMATE.start_main_~i~4 60), 226597#(<= ULTIMATE.start_main_~i~4 59), 226596#(<= ULTIMATE.start_main_~i~4 58), 226603#(<= ULTIMATE.start_main_~i~4 65), 226602#(<= ULTIMATE.start_main_~i~4 64), 226601#(<= ULTIMATE.start_main_~i~4 63), 226600#(<= ULTIMATE.start_main_~i~4 62), 226607#(<= ULTIMATE.start_main_~i~4 69), 226606#(<= ULTIMATE.start_main_~i~4 68), 226605#(<= ULTIMATE.start_main_~i~4 67), 226604#(<= ULTIMATE.start_main_~i~4 66), 226611#(<= ULTIMATE.start_main_~i~4 73), 226610#(<= ULTIMATE.start_main_~i~4 72), 226609#(<= ULTIMATE.start_main_~i~4 71), 226608#(<= ULTIMATE.start_main_~i~4 70), 226615#(<= ULTIMATE.start_main_~i~4 77), 226614#(<= ULTIMATE.start_main_~i~4 76), 226613#(<= ULTIMATE.start_main_~i~4 75), 226612#(<= ULTIMATE.start_main_~i~4 74), 226619#(<= ULTIMATE.start_main_~i~4 81), 226618#(<= ULTIMATE.start_main_~i~4 80), 226617#(<= ULTIMATE.start_main_~i~4 79), 226616#(<= ULTIMATE.start_main_~i~4 78), 226623#(<= ULTIMATE.start_main_~i~4 85), 226622#(<= ULTIMATE.start_main_~i~4 84), 226621#(<= ULTIMATE.start_main_~i~4 83), 226620#(<= ULTIMATE.start_main_~i~4 82), 226627#(<= ULTIMATE.start_main_~i~4 89), 226626#(<= ULTIMATE.start_main_~i~4 88), 226625#(<= ULTIMATE.start_main_~i~4 87), 226624#(<= ULTIMATE.start_main_~i~4 86), 226631#(<= ULTIMATE.start_main_~i~4 93), 226630#(<= ULTIMATE.start_main_~i~4 92), 226629#(<= ULTIMATE.start_main_~i~4 91), 226628#(<= ULTIMATE.start_main_~i~4 90), 226635#(<= ULTIMATE.start_main_~i~4 97), 226634#(<= ULTIMATE.start_main_~i~4 96), 226633#(<= ULTIMATE.start_main_~i~4 95), 226632#(<= ULTIMATE.start_main_~i~4 94), 226639#(<= ULTIMATE.start_main_~i~4 101), 226638#(<= ULTIMATE.start_main_~i~4 100), 226637#(<= ULTIMATE.start_main_~i~4 99), 226636#(<= ULTIMATE.start_main_~i~4 98), 226643#(<= ULTIMATE.start_main_~i~4 105), 226642#(<= ULTIMATE.start_main_~i~4 104), 226641#(<= ULTIMATE.start_main_~i~4 103), 226640#(<= ULTIMATE.start_main_~i~4 102), 226647#(<= ULTIMATE.start_main_~i~4 109), 226646#(<= ULTIMATE.start_main_~i~4 108), 226645#(<= ULTIMATE.start_main_~i~4 107), 226644#(<= ULTIMATE.start_main_~i~4 106), 226651#(<= ULTIMATE.start_main_~i~4 113), 226650#(<= ULTIMATE.start_main_~i~4 112), 226649#(<= ULTIMATE.start_main_~i~4 111), 226648#(<= ULTIMATE.start_main_~i~4 110), 226655#(<= ULTIMATE.start_main_~i~4 117), 226654#(<= ULTIMATE.start_main_~i~4 116), 226653#(<= ULTIMATE.start_main_~i~4 115), 226652#(<= ULTIMATE.start_main_~i~4 114), 226659#(<= ULTIMATE.start_main_~i~4 121), 226658#(<= ULTIMATE.start_main_~i~4 120), 226657#(<= ULTIMATE.start_main_~i~4 119), 226656#(<= ULTIMATE.start_main_~i~4 118), 226663#(<= ULTIMATE.start_main_~i~4 125), 226662#(<= ULTIMATE.start_main_~i~4 124), 226661#(<= ULTIMATE.start_main_~i~4 123), 226660#(<= ULTIMATE.start_main_~i~4 122), 226667#(<= ULTIMATE.start_main_~i~4 129), 226666#(<= ULTIMATE.start_main_~i~4 128), 226665#(<= ULTIMATE.start_main_~i~4 127), 226664#(<= ULTIMATE.start_main_~i~4 126), 226671#(<= ULTIMATE.start_main_~i~4 133), 226670#(<= ULTIMATE.start_main_~i~4 132), 226669#(<= ULTIMATE.start_main_~i~4 131), 226668#(<= ULTIMATE.start_main_~i~4 130), 226675#(<= ULTIMATE.start_main_~i~4 137), 226674#(<= ULTIMATE.start_main_~i~4 136), 226673#(<= ULTIMATE.start_main_~i~4 135), 226672#(<= ULTIMATE.start_main_~i~4 134), 226679#(<= ULTIMATE.start_main_~i~4 141), 226678#(<= ULTIMATE.start_main_~i~4 140), 226677#(<= ULTIMATE.start_main_~i~4 139), 226676#(<= ULTIMATE.start_main_~i~4 138), 226683#(<= ULTIMATE.start_main_~i~4 145), 226682#(<= ULTIMATE.start_main_~i~4 144), 226681#(<= ULTIMATE.start_main_~i~4 143), 226680#(<= ULTIMATE.start_main_~i~4 142), 226687#(<= ULTIMATE.start_main_~i~4 149), 226686#(<= ULTIMATE.start_main_~i~4 148), 226685#(<= ULTIMATE.start_main_~i~4 147), 226684#(<= ULTIMATE.start_main_~i~4 146), 226691#(<= ULTIMATE.start_main_~i~4 153), 226690#(<= ULTIMATE.start_main_~i~4 152), 226689#(<= ULTIMATE.start_main_~i~4 151), 226688#(<= ULTIMATE.start_main_~i~4 150), 226695#(<= ULTIMATE.start_main_~i~4 157), 226694#(<= ULTIMATE.start_main_~i~4 156), 226693#(<= ULTIMATE.start_main_~i~4 155), 226692#(<= ULTIMATE.start_main_~i~4 154), 226699#(<= ULTIMATE.start_main_~i~4 161), 226698#(<= ULTIMATE.start_main_~i~4 160), 226697#(<= ULTIMATE.start_main_~i~4 159), 226696#(<= ULTIMATE.start_main_~i~4 158), 226703#(<= ULTIMATE.start_main_~i~4 165), 226702#(<= ULTIMATE.start_main_~i~4 164), 226701#(<= ULTIMATE.start_main_~i~4 163), 226700#(<= ULTIMATE.start_main_~i~4 162), 226707#(<= ULTIMATE.start_main_~i~4 169), 226706#(<= ULTIMATE.start_main_~i~4 168), 226705#(<= ULTIMATE.start_main_~i~4 167), 226704#(<= ULTIMATE.start_main_~i~4 166), 226711#(<= ULTIMATE.start_main_~i~4 173), 226710#(<= ULTIMATE.start_main_~i~4 172), 226709#(<= ULTIMATE.start_main_~i~4 171), 226708#(<= ULTIMATE.start_main_~i~4 170), 226715#(<= ULTIMATE.start_main_~i~4 177), 226714#(<= ULTIMATE.start_main_~i~4 176), 226713#(<= ULTIMATE.start_main_~i~4 175), 226712#(<= ULTIMATE.start_main_~i~4 174), 226719#(<= ULTIMATE.start_main_~i~4 181), 226718#(<= ULTIMATE.start_main_~i~4 180), 226717#(<= ULTIMATE.start_main_~i~4 179), 226716#(<= ULTIMATE.start_main_~i~4 178), 226723#(<= ULTIMATE.start_main_~i~4 185), 226722#(<= ULTIMATE.start_main_~i~4 184), 226721#(<= ULTIMATE.start_main_~i~4 183), 226720#(<= ULTIMATE.start_main_~i~4 182), 226727#(<= ULTIMATE.start_main_~i~4 189), 226726#(<= ULTIMATE.start_main_~i~4 188), 226725#(<= ULTIMATE.start_main_~i~4 187), 226724#(<= ULTIMATE.start_main_~i~4 186), 226731#(<= ULTIMATE.start_main_~i~4 193), 226730#(<= ULTIMATE.start_main_~i~4 192), 226729#(<= ULTIMATE.start_main_~i~4 191), 226728#(<= ULTIMATE.start_main_~i~4 190), 226735#(<= ULTIMATE.start_main_~i~4 197), 226734#(<= ULTIMATE.start_main_~i~4 196), 226733#(<= ULTIMATE.start_main_~i~4 195), 226732#(<= ULTIMATE.start_main_~i~4 194), 226739#(<= ULTIMATE.start_main_~i~4 201), 226738#(<= ULTIMATE.start_main_~i~4 200), 226737#(<= ULTIMATE.start_main_~i~4 199), 226736#(<= ULTIMATE.start_main_~i~4 198), 226743#(<= ULTIMATE.start_main_~i~4 205), 226742#(<= ULTIMATE.start_main_~i~4 204), 226741#(<= ULTIMATE.start_main_~i~4 203), 226740#(<= ULTIMATE.start_main_~i~4 202), 226747#(<= ULTIMATE.start_main_~i~4 209), 226746#(<= ULTIMATE.start_main_~i~4 208), 226745#(<= ULTIMATE.start_main_~i~4 207), 226744#(<= ULTIMATE.start_main_~i~4 206), 226751#(<= ULTIMATE.start_main_~i~4 213), 226750#(<= ULTIMATE.start_main_~i~4 212), 226749#(<= ULTIMATE.start_main_~i~4 211), 226748#(<= ULTIMATE.start_main_~i~4 210), 226755#(<= ULTIMATE.start_main_~i~4 217), 226754#(<= ULTIMATE.start_main_~i~4 216), 226753#(<= ULTIMATE.start_main_~i~4 215), 226752#(<= ULTIMATE.start_main_~i~4 214), 226759#(<= ULTIMATE.start_main_~i~4 221), 226758#(<= ULTIMATE.start_main_~i~4 220), 226757#(<= ULTIMATE.start_main_~i~4 219), 226756#(<= ULTIMATE.start_main_~i~4 218)] [2018-07-23 13:47:05,115 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 13:47:05,115 INFO L450 AbstractCegarLoop]: Interpolant automaton has 224 states [2018-07-23 13:47:05,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2018-07-23 13:47:05,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24976, Invalid=24976, Unknown=0, NotChecked=0, Total=49952 [2018-07-23 13:47:05,121 INFO L87 Difference]: Start difference. First operand 447 states and 447 transitions. Second operand 224 states. [2018-07-23 13:47:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:08,411 INFO L93 Difference]: Finished difference Result 451 states and 451 transitions. [2018-07-23 13:47:08,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2018-07-23 13:47:08,411 INFO L78 Accepts]: Start accepts. Automaton has 224 states. Word has length 446 [2018-07-23 13:47:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:08,412 INFO L225 Difference]: With dead ends: 451 [2018-07-23 13:47:08,412 INFO L226 Difference]: Without dead ends: 449 [2018-07-23 13:47:08,415 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 13:47:08,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-07-23 13:47:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2018-07-23 13:47:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-07-23 13:47:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 449 transitions. [2018-07-23 13:47:08,419 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 449 transitions. Word has length 446 [2018-07-23 13:47:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:08,419 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 449 transitions. [2018-07-23 13:47:08,419 INFO L472 AbstractCegarLoop]: Interpolant automaton has 224 states. [2018-07-23 13:47:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 449 transitions. [2018-07-23 13:47:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-07-23 13:47:08,451 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:08,452 INFO L357 BasicCegarLoop]: trace histogram [223, 222, 1, 1, 1] [2018-07-23 13:47:08,452 INFO L414 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:08,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1923589229, now seen corresponding path program 222 times [2018-07-23 13:47:08,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:10,047 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 13:47:10,048 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:10,048 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [224] total 224 [2018-07-23 13:47:10,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:10,049 INFO L185 omatonBuilderFactory]: Interpolants [228563#(<= ULTIMATE.start_main_~i~4 1), 228562#(<= ULTIMATE.start_main_~i~4 0), 228561#false, 228560#true, 228567#(<= ULTIMATE.start_main_~i~4 5), 228566#(<= ULTIMATE.start_main_~i~4 4), 228565#(<= ULTIMATE.start_main_~i~4 3), 228564#(<= ULTIMATE.start_main_~i~4 2), 228571#(<= ULTIMATE.start_main_~i~4 9), 228570#(<= ULTIMATE.start_main_~i~4 8), 228569#(<= ULTIMATE.start_main_~i~4 7), 228568#(<= ULTIMATE.start_main_~i~4 6), 228575#(<= ULTIMATE.start_main_~i~4 13), 228574#(<= ULTIMATE.start_main_~i~4 12), 228573#(<= ULTIMATE.start_main_~i~4 11), 228572#(<= ULTIMATE.start_main_~i~4 10), 228579#(<= ULTIMATE.start_main_~i~4 17), 228578#(<= ULTIMATE.start_main_~i~4 16), 228577#(<= ULTIMATE.start_main_~i~4 15), 228576#(<= ULTIMATE.start_main_~i~4 14), 228583#(<= ULTIMATE.start_main_~i~4 21), 228582#(<= ULTIMATE.start_main_~i~4 20), 228581#(<= ULTIMATE.start_main_~i~4 19), 228580#(<= ULTIMATE.start_main_~i~4 18), 228587#(<= ULTIMATE.start_main_~i~4 25), 228586#(<= ULTIMATE.start_main_~i~4 24), 228585#(<= ULTIMATE.start_main_~i~4 23), 228584#(<= ULTIMATE.start_main_~i~4 22), 228591#(<= ULTIMATE.start_main_~i~4 29), 228590#(<= ULTIMATE.start_main_~i~4 28), 228589#(<= ULTIMATE.start_main_~i~4 27), 228588#(<= ULTIMATE.start_main_~i~4 26), 228595#(<= ULTIMATE.start_main_~i~4 33), 228594#(<= ULTIMATE.start_main_~i~4 32), 228593#(<= ULTIMATE.start_main_~i~4 31), 228592#(<= ULTIMATE.start_main_~i~4 30), 228599#(<= ULTIMATE.start_main_~i~4 37), 228598#(<= ULTIMATE.start_main_~i~4 36), 228597#(<= ULTIMATE.start_main_~i~4 35), 228596#(<= ULTIMATE.start_main_~i~4 34), 228603#(<= ULTIMATE.start_main_~i~4 41), 228602#(<= ULTIMATE.start_main_~i~4 40), 228601#(<= ULTIMATE.start_main_~i~4 39), 228600#(<= ULTIMATE.start_main_~i~4 38), 228607#(<= ULTIMATE.start_main_~i~4 45), 228606#(<= ULTIMATE.start_main_~i~4 44), 228605#(<= ULTIMATE.start_main_~i~4 43), 228604#(<= ULTIMATE.start_main_~i~4 42), 228611#(<= ULTIMATE.start_main_~i~4 49), 228610#(<= ULTIMATE.start_main_~i~4 48), 228609#(<= ULTIMATE.start_main_~i~4 47), 228608#(<= ULTIMATE.start_main_~i~4 46), 228615#(<= ULTIMATE.start_main_~i~4 53), 228614#(<= ULTIMATE.start_main_~i~4 52), 228613#(<= ULTIMATE.start_main_~i~4 51), 228612#(<= ULTIMATE.start_main_~i~4 50), 228619#(<= ULTIMATE.start_main_~i~4 57), 228618#(<= ULTIMATE.start_main_~i~4 56), 228617#(<= ULTIMATE.start_main_~i~4 55), 228616#(<= ULTIMATE.start_main_~i~4 54), 228623#(<= ULTIMATE.start_main_~i~4 61), 228622#(<= ULTIMATE.start_main_~i~4 60), 228621#(<= ULTIMATE.start_main_~i~4 59), 228620#(<= ULTIMATE.start_main_~i~4 58), 228627#(<= ULTIMATE.start_main_~i~4 65), 228626#(<= ULTIMATE.start_main_~i~4 64), 228625#(<= ULTIMATE.start_main_~i~4 63), 228624#(<= ULTIMATE.start_main_~i~4 62), 228631#(<= ULTIMATE.start_main_~i~4 69), 228630#(<= ULTIMATE.start_main_~i~4 68), 228629#(<= ULTIMATE.start_main_~i~4 67), 228628#(<= ULTIMATE.start_main_~i~4 66), 228635#(<= ULTIMATE.start_main_~i~4 73), 228634#(<= ULTIMATE.start_main_~i~4 72), 228633#(<= ULTIMATE.start_main_~i~4 71), 228632#(<= ULTIMATE.start_main_~i~4 70), 228639#(<= ULTIMATE.start_main_~i~4 77), 228638#(<= ULTIMATE.start_main_~i~4 76), 228637#(<= ULTIMATE.start_main_~i~4 75), 228636#(<= ULTIMATE.start_main_~i~4 74), 228643#(<= ULTIMATE.start_main_~i~4 81), 228642#(<= ULTIMATE.start_main_~i~4 80), 228641#(<= ULTIMATE.start_main_~i~4 79), 228640#(<= ULTIMATE.start_main_~i~4 78), 228647#(<= ULTIMATE.start_main_~i~4 85), 228646#(<= ULTIMATE.start_main_~i~4 84), 228645#(<= ULTIMATE.start_main_~i~4 83), 228644#(<= ULTIMATE.start_main_~i~4 82), 228651#(<= ULTIMATE.start_main_~i~4 89), 228650#(<= ULTIMATE.start_main_~i~4 88), 228649#(<= ULTIMATE.start_main_~i~4 87), 228648#(<= ULTIMATE.start_main_~i~4 86), 228655#(<= ULTIMATE.start_main_~i~4 93), 228654#(<= ULTIMATE.start_main_~i~4 92), 228653#(<= ULTIMATE.start_main_~i~4 91), 228652#(<= ULTIMATE.start_main_~i~4 90), 228659#(<= ULTIMATE.start_main_~i~4 97), 228658#(<= ULTIMATE.start_main_~i~4 96), 228657#(<= ULTIMATE.start_main_~i~4 95), 228656#(<= ULTIMATE.start_main_~i~4 94), 228663#(<= ULTIMATE.start_main_~i~4 101), 228662#(<= ULTIMATE.start_main_~i~4 100), 228661#(<= ULTIMATE.start_main_~i~4 99), 228660#(<= ULTIMATE.start_main_~i~4 98), 228667#(<= ULTIMATE.start_main_~i~4 105), 228666#(<= ULTIMATE.start_main_~i~4 104), 228665#(<= ULTIMATE.start_main_~i~4 103), 228664#(<= ULTIMATE.start_main_~i~4 102), 228671#(<= ULTIMATE.start_main_~i~4 109), 228670#(<= ULTIMATE.start_main_~i~4 108), 228669#(<= ULTIMATE.start_main_~i~4 107), 228668#(<= ULTIMATE.start_main_~i~4 106), 228675#(<= ULTIMATE.start_main_~i~4 113), 228674#(<= ULTIMATE.start_main_~i~4 112), 228673#(<= ULTIMATE.start_main_~i~4 111), 228672#(<= ULTIMATE.start_main_~i~4 110), 228679#(<= ULTIMATE.start_main_~i~4 117), 228678#(<= ULTIMATE.start_main_~i~4 116), 228677#(<= ULTIMATE.start_main_~i~4 115), 228676#(<= ULTIMATE.start_main_~i~4 114), 228683#(<= ULTIMATE.start_main_~i~4 121), 228682#(<= ULTIMATE.start_main_~i~4 120), 228681#(<= ULTIMATE.start_main_~i~4 119), 228680#(<= ULTIMATE.start_main_~i~4 118), 228687#(<= ULTIMATE.start_main_~i~4 125), 228686#(<= ULTIMATE.start_main_~i~4 124), 228685#(<= ULTIMATE.start_main_~i~4 123), 228684#(<= ULTIMATE.start_main_~i~4 122), 228691#(<= ULTIMATE.start_main_~i~4 129), 228690#(<= ULTIMATE.start_main_~i~4 128), 228689#(<= ULTIMATE.start_main_~i~4 127), 228688#(<= ULTIMATE.start_main_~i~4 126), 228695#(<= ULTIMATE.start_main_~i~4 133), 228694#(<= ULTIMATE.start_main_~i~4 132), 228693#(<= ULTIMATE.start_main_~i~4 131), 228692#(<= ULTIMATE.start_main_~i~4 130), 228699#(<= ULTIMATE.start_main_~i~4 137), 228698#(<= ULTIMATE.start_main_~i~4 136), 228697#(<= ULTIMATE.start_main_~i~4 135), 228696#(<= ULTIMATE.start_main_~i~4 134), 228703#(<= ULTIMATE.start_main_~i~4 141), 228702#(<= ULTIMATE.start_main_~i~4 140), 228701#(<= ULTIMATE.start_main_~i~4 139), 228700#(<= ULTIMATE.start_main_~i~4 138), 228707#(<= ULTIMATE.start_main_~i~4 145), 228706#(<= ULTIMATE.start_main_~i~4 144), 228705#(<= ULTIMATE.start_main_~i~4 143), 228704#(<= ULTIMATE.start_main_~i~4 142), 228711#(<= ULTIMATE.start_main_~i~4 149), 228710#(<= ULTIMATE.start_main_~i~4 148), 228709#(<= ULTIMATE.start_main_~i~4 147), 228708#(<= ULTIMATE.start_main_~i~4 146), 228715#(<= ULTIMATE.start_main_~i~4 153), 228714#(<= ULTIMATE.start_main_~i~4 152), 228713#(<= ULTIMATE.start_main_~i~4 151), 228712#(<= ULTIMATE.start_main_~i~4 150), 228719#(<= ULTIMATE.start_main_~i~4 157), 228718#(<= ULTIMATE.start_main_~i~4 156), 228717#(<= ULTIMATE.start_main_~i~4 155), 228716#(<= ULTIMATE.start_main_~i~4 154), 228723#(<= ULTIMATE.start_main_~i~4 161), 228722#(<= ULTIMATE.start_main_~i~4 160), 228721#(<= ULTIMATE.start_main_~i~4 159), 228720#(<= ULTIMATE.start_main_~i~4 158), 228727#(<= ULTIMATE.start_main_~i~4 165), 228726#(<= ULTIMATE.start_main_~i~4 164), 228725#(<= ULTIMATE.start_main_~i~4 163), 228724#(<= ULTIMATE.start_main_~i~4 162), 228731#(<= ULTIMATE.start_main_~i~4 169), 228730#(<= ULTIMATE.start_main_~i~4 168), 228729#(<= ULTIMATE.start_main_~i~4 167), 228728#(<= ULTIMATE.start_main_~i~4 166), 228735#(<= ULTIMATE.start_main_~i~4 173), 228734#(<= ULTIMATE.start_main_~i~4 172), 228733#(<= ULTIMATE.start_main_~i~4 171), 228732#(<= ULTIMATE.start_main_~i~4 170), 228739#(<= ULTIMATE.start_main_~i~4 177), 228738#(<= ULTIMATE.start_main_~i~4 176), 228737#(<= ULTIMATE.start_main_~i~4 175), 228736#(<= ULTIMATE.start_main_~i~4 174), 228743#(<= ULTIMATE.start_main_~i~4 181), 228742#(<= ULTIMATE.start_main_~i~4 180), 228741#(<= ULTIMATE.start_main_~i~4 179), 228740#(<= ULTIMATE.start_main_~i~4 178), 228747#(<= ULTIMATE.start_main_~i~4 185), 228746#(<= ULTIMATE.start_main_~i~4 184), 228745#(<= ULTIMATE.start_main_~i~4 183), 228744#(<= ULTIMATE.start_main_~i~4 182), 228751#(<= ULTIMATE.start_main_~i~4 189), 228750#(<= ULTIMATE.start_main_~i~4 188), 228749#(<= ULTIMATE.start_main_~i~4 187), 228748#(<= ULTIMATE.start_main_~i~4 186), 228755#(<= ULTIMATE.start_main_~i~4 193), 228754#(<= ULTIMATE.start_main_~i~4 192), 228753#(<= ULTIMATE.start_main_~i~4 191), 228752#(<= ULTIMATE.start_main_~i~4 190), 228759#(<= ULTIMATE.start_main_~i~4 197), 228758#(<= ULTIMATE.start_main_~i~4 196), 228757#(<= ULTIMATE.start_main_~i~4 195), 228756#(<= ULTIMATE.start_main_~i~4 194), 228763#(<= ULTIMATE.start_main_~i~4 201), 228762#(<= ULTIMATE.start_main_~i~4 200), 228761#(<= ULTIMATE.start_main_~i~4 199), 228760#(<= ULTIMATE.start_main_~i~4 198), 228767#(<= ULTIMATE.start_main_~i~4 205), 228766#(<= ULTIMATE.start_main_~i~4 204), 228765#(<= ULTIMATE.start_main_~i~4 203), 228764#(<= ULTIMATE.start_main_~i~4 202), 228771#(<= ULTIMATE.start_main_~i~4 209), 228770#(<= ULTIMATE.start_main_~i~4 208), 228769#(<= ULTIMATE.start_main_~i~4 207), 228768#(<= ULTIMATE.start_main_~i~4 206), 228775#(<= ULTIMATE.start_main_~i~4 213), 228774#(<= ULTIMATE.start_main_~i~4 212), 228773#(<= ULTIMATE.start_main_~i~4 211), 228772#(<= ULTIMATE.start_main_~i~4 210), 228779#(<= ULTIMATE.start_main_~i~4 217), 228778#(<= ULTIMATE.start_main_~i~4 216), 228777#(<= ULTIMATE.start_main_~i~4 215), 228776#(<= ULTIMATE.start_main_~i~4 214), 228783#(<= ULTIMATE.start_main_~i~4 221), 228782#(<= ULTIMATE.start_main_~i~4 220), 228781#(<= ULTIMATE.start_main_~i~4 219), 228780#(<= ULTIMATE.start_main_~i~4 218), 228784#(<= ULTIMATE.start_main_~i~4 222)] [2018-07-23 13:47:10,052 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 13:47:10,052 INFO L450 AbstractCegarLoop]: Interpolant automaton has 225 states [2018-07-23 13:47:10,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2018-07-23 13:47:10,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:47:10,062 INFO L87 Difference]: Start difference. First operand 449 states and 449 transitions. Second operand 225 states. [2018-07-23 13:47:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:12,549 INFO L93 Difference]: Finished difference Result 453 states and 453 transitions. [2018-07-23 13:47:12,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2018-07-23 13:47:12,549 INFO L78 Accepts]: Start accepts. Automaton has 225 states. Word has length 448 [2018-07-23 13:47:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:12,550 INFO L225 Difference]: With dead ends: 453 [2018-07-23 13:47:12,550 INFO L226 Difference]: Without dead ends: 451 [2018-07-23 13:47:12,553 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25200, Invalid=25200, Unknown=0, NotChecked=0, Total=50400 [2018-07-23 13:47:12,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-07-23 13:47:12,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2018-07-23 13:47:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-07-23 13:47:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 451 transitions. [2018-07-23 13:47:12,557 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 451 transitions. Word has length 448 [2018-07-23 13:47:12,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:12,557 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 451 transitions. [2018-07-23 13:47:12,558 INFO L472 AbstractCegarLoop]: Interpolant automaton has 225 states. [2018-07-23 13:47:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 451 transitions. [2018-07-23 13:47:12,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2018-07-23 13:47:12,559 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:12,559 INFO L357 BasicCegarLoop]: trace histogram [224, 223, 1, 1, 1] [2018-07-23 13:47:12,559 INFO L414 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:12,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1733259699, now seen corresponding path program 223 times [2018-07-23 13:47:12,559 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:14,096 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 13:47:14,096 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:14,096 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [225] total 225 [2018-07-23 13:47:14,097 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,097 INFO L185 omatonBuilderFactory]: Interpolants [230595#(<= ULTIMATE.start_main_~i~4 0), 230594#false, 230593#true, 230599#(<= ULTIMATE.start_main_~i~4 4), 230598#(<= ULTIMATE.start_main_~i~4 3), 230597#(<= ULTIMATE.start_main_~i~4 2), 230596#(<= ULTIMATE.start_main_~i~4 1), 230603#(<= ULTIMATE.start_main_~i~4 8), 230602#(<= ULTIMATE.start_main_~i~4 7), 230601#(<= ULTIMATE.start_main_~i~4 6), 230600#(<= ULTIMATE.start_main_~i~4 5), 230607#(<= ULTIMATE.start_main_~i~4 12), 230606#(<= ULTIMATE.start_main_~i~4 11), 230605#(<= ULTIMATE.start_main_~i~4 10), 230604#(<= ULTIMATE.start_main_~i~4 9), 230611#(<= ULTIMATE.start_main_~i~4 16), 230610#(<= ULTIMATE.start_main_~i~4 15), 230609#(<= ULTIMATE.start_main_~i~4 14), 230608#(<= ULTIMATE.start_main_~i~4 13), 230615#(<= ULTIMATE.start_main_~i~4 20), 230614#(<= ULTIMATE.start_main_~i~4 19), 230613#(<= ULTIMATE.start_main_~i~4 18), 230612#(<= ULTIMATE.start_main_~i~4 17), 230619#(<= ULTIMATE.start_main_~i~4 24), 230618#(<= ULTIMATE.start_main_~i~4 23), 230617#(<= ULTIMATE.start_main_~i~4 22), 230616#(<= ULTIMATE.start_main_~i~4 21), 230623#(<= ULTIMATE.start_main_~i~4 28), 230622#(<= ULTIMATE.start_main_~i~4 27), 230621#(<= ULTIMATE.start_main_~i~4 26), 230620#(<= ULTIMATE.start_main_~i~4 25), 230627#(<= ULTIMATE.start_main_~i~4 32), 230626#(<= ULTIMATE.start_main_~i~4 31), 230625#(<= ULTIMATE.start_main_~i~4 30), 230624#(<= ULTIMATE.start_main_~i~4 29), 230631#(<= ULTIMATE.start_main_~i~4 36), 230630#(<= ULTIMATE.start_main_~i~4 35), 230629#(<= ULTIMATE.start_main_~i~4 34), 230628#(<= ULTIMATE.start_main_~i~4 33), 230635#(<= ULTIMATE.start_main_~i~4 40), 230634#(<= ULTIMATE.start_main_~i~4 39), 230633#(<= ULTIMATE.start_main_~i~4 38), 230632#(<= ULTIMATE.start_main_~i~4 37), 230639#(<= ULTIMATE.start_main_~i~4 44), 230638#(<= ULTIMATE.start_main_~i~4 43), 230637#(<= ULTIMATE.start_main_~i~4 42), 230636#(<= ULTIMATE.start_main_~i~4 41), 230643#(<= ULTIMATE.start_main_~i~4 48), 230642#(<= ULTIMATE.start_main_~i~4 47), 230641#(<= ULTIMATE.start_main_~i~4 46), 230640#(<= ULTIMATE.start_main_~i~4 45), 230647#(<= ULTIMATE.start_main_~i~4 52), 230646#(<= ULTIMATE.start_main_~i~4 51), 230645#(<= ULTIMATE.start_main_~i~4 50), 230644#(<= ULTIMATE.start_main_~i~4 49), 230651#(<= ULTIMATE.start_main_~i~4 56), 230650#(<= ULTIMATE.start_main_~i~4 55), 230649#(<= ULTIMATE.start_main_~i~4 54), 230648#(<= ULTIMATE.start_main_~i~4 53), 230655#(<= ULTIMATE.start_main_~i~4 60), 230654#(<= ULTIMATE.start_main_~i~4 59), 230653#(<= ULTIMATE.start_main_~i~4 58), 230652#(<= ULTIMATE.start_main_~i~4 57), 230659#(<= ULTIMATE.start_main_~i~4 64), 230658#(<= ULTIMATE.start_main_~i~4 63), 230657#(<= ULTIMATE.start_main_~i~4 62), 230656#(<= ULTIMATE.start_main_~i~4 61), 230663#(<= ULTIMATE.start_main_~i~4 68), 230662#(<= ULTIMATE.start_main_~i~4 67), 230661#(<= ULTIMATE.start_main_~i~4 66), 230660#(<= ULTIMATE.start_main_~i~4 65), 230667#(<= ULTIMATE.start_main_~i~4 72), 230666#(<= ULTIMATE.start_main_~i~4 71), 230665#(<= ULTIMATE.start_main_~i~4 70), 230664#(<= ULTIMATE.start_main_~i~4 69), 230671#(<= ULTIMATE.start_main_~i~4 76), 230670#(<= ULTIMATE.start_main_~i~4 75), 230669#(<= ULTIMATE.start_main_~i~4 74), 230668#(<= ULTIMATE.start_main_~i~4 73), 230675#(<= ULTIMATE.start_main_~i~4 80), 230674#(<= ULTIMATE.start_main_~i~4 79), 230673#(<= ULTIMATE.start_main_~i~4 78), 230672#(<= ULTIMATE.start_main_~i~4 77), 230679#(<= ULTIMATE.start_main_~i~4 84), 230678#(<= ULTIMATE.start_main_~i~4 83), 230677#(<= ULTIMATE.start_main_~i~4 82), 230676#(<= ULTIMATE.start_main_~i~4 81), 230683#(<= ULTIMATE.start_main_~i~4 88), 230682#(<= ULTIMATE.start_main_~i~4 87), 230681#(<= ULTIMATE.start_main_~i~4 86), 230680#(<= ULTIMATE.start_main_~i~4 85), 230687#(<= ULTIMATE.start_main_~i~4 92), 230686#(<= ULTIMATE.start_main_~i~4 91), 230685#(<= ULTIMATE.start_main_~i~4 90), 230684#(<= ULTIMATE.start_main_~i~4 89), 230691#(<= ULTIMATE.start_main_~i~4 96), 230690#(<= ULTIMATE.start_main_~i~4 95), 230689#(<= ULTIMATE.start_main_~i~4 94), 230688#(<= ULTIMATE.start_main_~i~4 93), 230695#(<= ULTIMATE.start_main_~i~4 100), 230694#(<= ULTIMATE.start_main_~i~4 99), 230693#(<= ULTIMATE.start_main_~i~4 98), 230692#(<= ULTIMATE.start_main_~i~4 97), 230699#(<= ULTIMATE.start_main_~i~4 104), 230698#(<= ULTIMATE.start_main_~i~4 103), 230697#(<= ULTIMATE.start_main_~i~4 102), 230696#(<= ULTIMATE.start_main_~i~4 101), 230703#(<= ULTIMATE.start_main_~i~4 108), 230702#(<= ULTIMATE.start_main_~i~4 107), 230701#(<= ULTIMATE.start_main_~i~4 106), 230700#(<= ULTIMATE.start_main_~i~4 105), 230707#(<= ULTIMATE.start_main_~i~4 112), 230706#(<= ULTIMATE.start_main_~i~4 111), 230705#(<= ULTIMATE.start_main_~i~4 110), 230704#(<= ULTIMATE.start_main_~i~4 109), 230711#(<= ULTIMATE.start_main_~i~4 116), 230710#(<= ULTIMATE.start_main_~i~4 115), 230709#(<= ULTIMATE.start_main_~i~4 114), 230708#(<= ULTIMATE.start_main_~i~4 113), 230715#(<= ULTIMATE.start_main_~i~4 120), 230714#(<= ULTIMATE.start_main_~i~4 119), 230713#(<= ULTIMATE.start_main_~i~4 118), 230712#(<= ULTIMATE.start_main_~i~4 117), 230719#(<= ULTIMATE.start_main_~i~4 124), 230718#(<= ULTIMATE.start_main_~i~4 123), 230717#(<= ULTIMATE.start_main_~i~4 122), 230716#(<= ULTIMATE.start_main_~i~4 121), 230723#(<= ULTIMATE.start_main_~i~4 128), 230722#(<= ULTIMATE.start_main_~i~4 127), 230721#(<= ULTIMATE.start_main_~i~4 126), 230720#(<= ULTIMATE.start_main_~i~4 125), 230727#(<= ULTIMATE.start_main_~i~4 132), 230726#(<= ULTIMATE.start_main_~i~4 131), 230725#(<= ULTIMATE.start_main_~i~4 130), 230724#(<= ULTIMATE.start_main_~i~4 129), 230731#(<= ULTIMATE.start_main_~i~4 136), 230730#(<= ULTIMATE.start_main_~i~4 135), 230729#(<= ULTIMATE.start_main_~i~4 134), 230728#(<= ULTIMATE.start_main_~i~4 133), 230735#(<= ULTIMATE.start_main_~i~4 140), 230734#(<= ULTIMATE.start_main_~i~4 139), 230733#(<= ULTIMATE.start_main_~i~4 138), 230732#(<= ULTIMATE.start_main_~i~4 137), 230739#(<= ULTIMATE.start_main_~i~4 144), 230738#(<= ULTIMATE.start_main_~i~4 143), 230737#(<= ULTIMATE.start_main_~i~4 142), 230736#(<= ULTIMATE.start_main_~i~4 141), 230743#(<= ULTIMATE.start_main_~i~4 148), 230742#(<= ULTIMATE.start_main_~i~4 147), 230741#(<= ULTIMATE.start_main_~i~4 146), 230740#(<= ULTIMATE.start_main_~i~4 145), 230747#(<= ULTIMATE.start_main_~i~4 152), 230746#(<= ULTIMATE.start_main_~i~4 151), 230745#(<= ULTIMATE.start_main_~i~4 150), 230744#(<= ULTIMATE.start_main_~i~4 149), 230751#(<= ULTIMATE.start_main_~i~4 156), 230750#(<= ULTIMATE.start_main_~i~4 155), 230749#(<= ULTIMATE.start_main_~i~4 154), 230748#(<= ULTIMATE.start_main_~i~4 153), 230755#(<= ULTIMATE.start_main_~i~4 160), 230754#(<= ULTIMATE.start_main_~i~4 159), 230753#(<= ULTIMATE.start_main_~i~4 158), 230752#(<= ULTIMATE.start_main_~i~4 157), 230759#(<= ULTIMATE.start_main_~i~4 164), 230758#(<= ULTIMATE.start_main_~i~4 163), 230757#(<= ULTIMATE.start_main_~i~4 162), 230756#(<= ULTIMATE.start_main_~i~4 161), 230763#(<= ULTIMATE.start_main_~i~4 168), 230762#(<= ULTIMATE.start_main_~i~4 167), 230761#(<= ULTIMATE.start_main_~i~4 166), 230760#(<= ULTIMATE.start_main_~i~4 165), 230767#(<= ULTIMATE.start_main_~i~4 172), 230766#(<= ULTIMATE.start_main_~i~4 171), 230765#(<= ULTIMATE.start_main_~i~4 170), 230764#(<= ULTIMATE.start_main_~i~4 169), 230771#(<= ULTIMATE.start_main_~i~4 176), 230770#(<= ULTIMATE.start_main_~i~4 175), 230769#(<= ULTIMATE.start_main_~i~4 174), 230768#(<= ULTIMATE.start_main_~i~4 173), 230775#(<= ULTIMATE.start_main_~i~4 180), 230774#(<= ULTIMATE.start_main_~i~4 179), 230773#(<= ULTIMATE.start_main_~i~4 178), 230772#(<= ULTIMATE.start_main_~i~4 177), 230779#(<= ULTIMATE.start_main_~i~4 184), 230778#(<= ULTIMATE.start_main_~i~4 183), 230777#(<= ULTIMATE.start_main_~i~4 182), 230776#(<= ULTIMATE.start_main_~i~4 181), 230783#(<= ULTIMATE.start_main_~i~4 188), 230782#(<= ULTIMATE.start_main_~i~4 187), 230781#(<= ULTIMATE.start_main_~i~4 186), 230780#(<= ULTIMATE.start_main_~i~4 185), 230787#(<= ULTIMATE.start_main_~i~4 192), 230786#(<= ULTIMATE.start_main_~i~4 191), 230785#(<= ULTIMATE.start_main_~i~4 190), 230784#(<= ULTIMATE.start_main_~i~4 189), 230791#(<= ULTIMATE.start_main_~i~4 196), 230790#(<= ULTIMATE.start_main_~i~4 195), 230789#(<= ULTIMATE.start_main_~i~4 194), 230788#(<= ULTIMATE.start_main_~i~4 193), 230795#(<= ULTIMATE.start_main_~i~4 200), 230794#(<= ULTIMATE.start_main_~i~4 199), 230793#(<= ULTIMATE.start_main_~i~4 198), 230792#(<= ULTIMATE.start_main_~i~4 197), 230799#(<= ULTIMATE.start_main_~i~4 204), 230798#(<= ULTIMATE.start_main_~i~4 203), 230797#(<= ULTIMATE.start_main_~i~4 202), 230796#(<= ULTIMATE.start_main_~i~4 201), 230803#(<= ULTIMATE.start_main_~i~4 208), 230802#(<= ULTIMATE.start_main_~i~4 207), 230801#(<= ULTIMATE.start_main_~i~4 206), 230800#(<= ULTIMATE.start_main_~i~4 205), 230807#(<= ULTIMATE.start_main_~i~4 212), 230806#(<= ULTIMATE.start_main_~i~4 211), 230805#(<= ULTIMATE.start_main_~i~4 210), 230804#(<= ULTIMATE.start_main_~i~4 209), 230811#(<= ULTIMATE.start_main_~i~4 216), 230810#(<= ULTIMATE.start_main_~i~4 215), 230809#(<= ULTIMATE.start_main_~i~4 214), 230808#(<= ULTIMATE.start_main_~i~4 213), 230815#(<= ULTIMATE.start_main_~i~4 220), 230814#(<= ULTIMATE.start_main_~i~4 219), 230813#(<= ULTIMATE.start_main_~i~4 218), 230812#(<= ULTIMATE.start_main_~i~4 217), 230818#(<= ULTIMATE.start_main_~i~4 223), 230817#(<= ULTIMATE.start_main_~i~4 222), 230816#(<= ULTIMATE.start_main_~i~4 221)] [2018-07-23 13:47:14,099 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 13:47:14,100 INFO L450 AbstractCegarLoop]: Interpolant automaton has 226 states [2018-07-23 13:47:14,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2018-07-23 13:47:14,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25425, Invalid=25425, Unknown=0, NotChecked=0, Total=50850 [2018-07-23 13:47:14,106 INFO L87 Difference]: Start difference. First operand 451 states and 451 transitions. Second operand 226 states. [2018-07-23 13:47:16,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:16,337 INFO L93 Difference]: Finished difference Result 455 states and 455 transitions. [2018-07-23 13:47:16,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2018-07-23 13:47:16,338 INFO L78 Accepts]: Start accepts. Automaton has 226 states. Word has length 450 [2018-07-23 13:47:16,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:16,338 INFO L225 Difference]: With dead ends: 455 [2018-07-23 13:47:16,339 INFO L226 Difference]: Without dead ends: 453 [2018-07-23 13:47:16,342 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 13:47:16,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-07-23 13:47:16,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2018-07-23 13:47:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-07-23 13:47:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 453 transitions. [2018-07-23 13:47:16,347 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 453 transitions. Word has length 450 [2018-07-23 13:47:16,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:16,347 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 453 transitions. [2018-07-23 13:47:16,347 INFO L472 AbstractCegarLoop]: Interpolant automaton has 226 states. [2018-07-23 13:47:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 453 transitions. [2018-07-23 13:47:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-07-23 13:47:16,348 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:16,349 INFO L357 BasicCegarLoop]: trace histogram [225, 224, 1, 1, 1] [2018-07-23 13:47:16,349 INFO L414 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:16,349 INFO L82 PathProgramCache]: Analyzing trace with hash 784792199, now seen corresponding path program 224 times [2018-07-23 13:47:16,349 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:17,889 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 13:47:17,890 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:17,890 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [226] total 226 [2018-07-23 13:47:17,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:17,891 INFO L185 omatonBuilderFactory]: Interpolants [232635#true, 232639#(<= ULTIMATE.start_main_~i~4 2), 232638#(<= ULTIMATE.start_main_~i~4 1), 232637#(<= ULTIMATE.start_main_~i~4 0), 232636#false, 232643#(<= ULTIMATE.start_main_~i~4 6), 232642#(<= ULTIMATE.start_main_~i~4 5), 232641#(<= ULTIMATE.start_main_~i~4 4), 232640#(<= ULTIMATE.start_main_~i~4 3), 232647#(<= ULTIMATE.start_main_~i~4 10), 232646#(<= ULTIMATE.start_main_~i~4 9), 232645#(<= ULTIMATE.start_main_~i~4 8), 232644#(<= ULTIMATE.start_main_~i~4 7), 232651#(<= ULTIMATE.start_main_~i~4 14), 232650#(<= ULTIMATE.start_main_~i~4 13), 232649#(<= ULTIMATE.start_main_~i~4 12), 232648#(<= ULTIMATE.start_main_~i~4 11), 232655#(<= ULTIMATE.start_main_~i~4 18), 232654#(<= ULTIMATE.start_main_~i~4 17), 232653#(<= ULTIMATE.start_main_~i~4 16), 232652#(<= ULTIMATE.start_main_~i~4 15), 232659#(<= ULTIMATE.start_main_~i~4 22), 232658#(<= ULTIMATE.start_main_~i~4 21), 232657#(<= ULTIMATE.start_main_~i~4 20), 232656#(<= ULTIMATE.start_main_~i~4 19), 232663#(<= ULTIMATE.start_main_~i~4 26), 232662#(<= ULTIMATE.start_main_~i~4 25), 232661#(<= ULTIMATE.start_main_~i~4 24), 232660#(<= ULTIMATE.start_main_~i~4 23), 232667#(<= ULTIMATE.start_main_~i~4 30), 232666#(<= ULTIMATE.start_main_~i~4 29), 232665#(<= ULTIMATE.start_main_~i~4 28), 232664#(<= ULTIMATE.start_main_~i~4 27), 232671#(<= ULTIMATE.start_main_~i~4 34), 232670#(<= ULTIMATE.start_main_~i~4 33), 232669#(<= ULTIMATE.start_main_~i~4 32), 232668#(<= ULTIMATE.start_main_~i~4 31), 232675#(<= ULTIMATE.start_main_~i~4 38), 232674#(<= ULTIMATE.start_main_~i~4 37), 232673#(<= ULTIMATE.start_main_~i~4 36), 232672#(<= ULTIMATE.start_main_~i~4 35), 232679#(<= ULTIMATE.start_main_~i~4 42), 232678#(<= ULTIMATE.start_main_~i~4 41), 232677#(<= ULTIMATE.start_main_~i~4 40), 232676#(<= ULTIMATE.start_main_~i~4 39), 232683#(<= ULTIMATE.start_main_~i~4 46), 232682#(<= ULTIMATE.start_main_~i~4 45), 232681#(<= ULTIMATE.start_main_~i~4 44), 232680#(<= ULTIMATE.start_main_~i~4 43), 232687#(<= ULTIMATE.start_main_~i~4 50), 232686#(<= ULTIMATE.start_main_~i~4 49), 232685#(<= ULTIMATE.start_main_~i~4 48), 232684#(<= ULTIMATE.start_main_~i~4 47), 232691#(<= ULTIMATE.start_main_~i~4 54), 232690#(<= ULTIMATE.start_main_~i~4 53), 232689#(<= ULTIMATE.start_main_~i~4 52), 232688#(<= ULTIMATE.start_main_~i~4 51), 232695#(<= ULTIMATE.start_main_~i~4 58), 232694#(<= ULTIMATE.start_main_~i~4 57), 232693#(<= ULTIMATE.start_main_~i~4 56), 232692#(<= ULTIMATE.start_main_~i~4 55), 232699#(<= ULTIMATE.start_main_~i~4 62), 232698#(<= ULTIMATE.start_main_~i~4 61), 232697#(<= ULTIMATE.start_main_~i~4 60), 232696#(<= ULTIMATE.start_main_~i~4 59), 232703#(<= ULTIMATE.start_main_~i~4 66), 232702#(<= ULTIMATE.start_main_~i~4 65), 232701#(<= ULTIMATE.start_main_~i~4 64), 232700#(<= ULTIMATE.start_main_~i~4 63), 232707#(<= ULTIMATE.start_main_~i~4 70), 232706#(<= ULTIMATE.start_main_~i~4 69), 232705#(<= ULTIMATE.start_main_~i~4 68), 232704#(<= ULTIMATE.start_main_~i~4 67), 232711#(<= ULTIMATE.start_main_~i~4 74), 232710#(<= ULTIMATE.start_main_~i~4 73), 232709#(<= ULTIMATE.start_main_~i~4 72), 232708#(<= ULTIMATE.start_main_~i~4 71), 232715#(<= ULTIMATE.start_main_~i~4 78), 232714#(<= ULTIMATE.start_main_~i~4 77), 232713#(<= ULTIMATE.start_main_~i~4 76), 232712#(<= ULTIMATE.start_main_~i~4 75), 232719#(<= ULTIMATE.start_main_~i~4 82), 232718#(<= ULTIMATE.start_main_~i~4 81), 232717#(<= ULTIMATE.start_main_~i~4 80), 232716#(<= ULTIMATE.start_main_~i~4 79), 232723#(<= ULTIMATE.start_main_~i~4 86), 232722#(<= ULTIMATE.start_main_~i~4 85), 232721#(<= ULTIMATE.start_main_~i~4 84), 232720#(<= ULTIMATE.start_main_~i~4 83), 232727#(<= ULTIMATE.start_main_~i~4 90), 232726#(<= ULTIMATE.start_main_~i~4 89), 232725#(<= ULTIMATE.start_main_~i~4 88), 232724#(<= ULTIMATE.start_main_~i~4 87), 232731#(<= ULTIMATE.start_main_~i~4 94), 232730#(<= ULTIMATE.start_main_~i~4 93), 232729#(<= ULTIMATE.start_main_~i~4 92), 232728#(<= ULTIMATE.start_main_~i~4 91), 232735#(<= ULTIMATE.start_main_~i~4 98), 232734#(<= ULTIMATE.start_main_~i~4 97), 232733#(<= ULTIMATE.start_main_~i~4 96), 232732#(<= ULTIMATE.start_main_~i~4 95), 232739#(<= ULTIMATE.start_main_~i~4 102), 232738#(<= ULTIMATE.start_main_~i~4 101), 232737#(<= ULTIMATE.start_main_~i~4 100), 232736#(<= ULTIMATE.start_main_~i~4 99), 232743#(<= ULTIMATE.start_main_~i~4 106), 232742#(<= ULTIMATE.start_main_~i~4 105), 232741#(<= ULTIMATE.start_main_~i~4 104), 232740#(<= ULTIMATE.start_main_~i~4 103), 232747#(<= ULTIMATE.start_main_~i~4 110), 232746#(<= ULTIMATE.start_main_~i~4 109), 232745#(<= ULTIMATE.start_main_~i~4 108), 232744#(<= ULTIMATE.start_main_~i~4 107), 232751#(<= ULTIMATE.start_main_~i~4 114), 232750#(<= ULTIMATE.start_main_~i~4 113), 232749#(<= ULTIMATE.start_main_~i~4 112), 232748#(<= ULTIMATE.start_main_~i~4 111), 232755#(<= ULTIMATE.start_main_~i~4 118), 232754#(<= ULTIMATE.start_main_~i~4 117), 232753#(<= ULTIMATE.start_main_~i~4 116), 232752#(<= ULTIMATE.start_main_~i~4 115), 232759#(<= ULTIMATE.start_main_~i~4 122), 232758#(<= ULTIMATE.start_main_~i~4 121), 232757#(<= ULTIMATE.start_main_~i~4 120), 232756#(<= ULTIMATE.start_main_~i~4 119), 232763#(<= ULTIMATE.start_main_~i~4 126), 232762#(<= ULTIMATE.start_main_~i~4 125), 232761#(<= ULTIMATE.start_main_~i~4 124), 232760#(<= ULTIMATE.start_main_~i~4 123), 232767#(<= ULTIMATE.start_main_~i~4 130), 232766#(<= ULTIMATE.start_main_~i~4 129), 232765#(<= ULTIMATE.start_main_~i~4 128), 232764#(<= ULTIMATE.start_main_~i~4 127), 232771#(<= ULTIMATE.start_main_~i~4 134), 232770#(<= ULTIMATE.start_main_~i~4 133), 232769#(<= ULTIMATE.start_main_~i~4 132), 232768#(<= ULTIMATE.start_main_~i~4 131), 232775#(<= ULTIMATE.start_main_~i~4 138), 232774#(<= ULTIMATE.start_main_~i~4 137), 232773#(<= ULTIMATE.start_main_~i~4 136), 232772#(<= ULTIMATE.start_main_~i~4 135), 232779#(<= ULTIMATE.start_main_~i~4 142), 232778#(<= ULTIMATE.start_main_~i~4 141), 232777#(<= ULTIMATE.start_main_~i~4 140), 232776#(<= ULTIMATE.start_main_~i~4 139), 232783#(<= ULTIMATE.start_main_~i~4 146), 232782#(<= ULTIMATE.start_main_~i~4 145), 232781#(<= ULTIMATE.start_main_~i~4 144), 232780#(<= ULTIMATE.start_main_~i~4 143), 232787#(<= ULTIMATE.start_main_~i~4 150), 232786#(<= ULTIMATE.start_main_~i~4 149), 232785#(<= ULTIMATE.start_main_~i~4 148), 232784#(<= ULTIMATE.start_main_~i~4 147), 232791#(<= ULTIMATE.start_main_~i~4 154), 232790#(<= ULTIMATE.start_main_~i~4 153), 232789#(<= ULTIMATE.start_main_~i~4 152), 232788#(<= ULTIMATE.start_main_~i~4 151), 232795#(<= ULTIMATE.start_main_~i~4 158), 232794#(<= ULTIMATE.start_main_~i~4 157), 232793#(<= ULTIMATE.start_main_~i~4 156), 232792#(<= ULTIMATE.start_main_~i~4 155), 232799#(<= ULTIMATE.start_main_~i~4 162), 232798#(<= ULTIMATE.start_main_~i~4 161), 232797#(<= ULTIMATE.start_main_~i~4 160), 232796#(<= ULTIMATE.start_main_~i~4 159), 232803#(<= ULTIMATE.start_main_~i~4 166), 232802#(<= ULTIMATE.start_main_~i~4 165), 232801#(<= ULTIMATE.start_main_~i~4 164), 232800#(<= ULTIMATE.start_main_~i~4 163), 232807#(<= ULTIMATE.start_main_~i~4 170), 232806#(<= ULTIMATE.start_main_~i~4 169), 232805#(<= ULTIMATE.start_main_~i~4 168), 232804#(<= ULTIMATE.start_main_~i~4 167), 232811#(<= ULTIMATE.start_main_~i~4 174), 232810#(<= ULTIMATE.start_main_~i~4 173), 232809#(<= ULTIMATE.start_main_~i~4 172), 232808#(<= ULTIMATE.start_main_~i~4 171), 232815#(<= ULTIMATE.start_main_~i~4 178), 232814#(<= ULTIMATE.start_main_~i~4 177), 232813#(<= ULTIMATE.start_main_~i~4 176), 232812#(<= ULTIMATE.start_main_~i~4 175), 232819#(<= ULTIMATE.start_main_~i~4 182), 232818#(<= ULTIMATE.start_main_~i~4 181), 232817#(<= ULTIMATE.start_main_~i~4 180), 232816#(<= ULTIMATE.start_main_~i~4 179), 232823#(<= ULTIMATE.start_main_~i~4 186), 232822#(<= ULTIMATE.start_main_~i~4 185), 232821#(<= ULTIMATE.start_main_~i~4 184), 232820#(<= ULTIMATE.start_main_~i~4 183), 232827#(<= ULTIMATE.start_main_~i~4 190), 232826#(<= ULTIMATE.start_main_~i~4 189), 232825#(<= ULTIMATE.start_main_~i~4 188), 232824#(<= ULTIMATE.start_main_~i~4 187), 232831#(<= ULTIMATE.start_main_~i~4 194), 232830#(<= ULTIMATE.start_main_~i~4 193), 232829#(<= ULTIMATE.start_main_~i~4 192), 232828#(<= ULTIMATE.start_main_~i~4 191), 232835#(<= ULTIMATE.start_main_~i~4 198), 232834#(<= ULTIMATE.start_main_~i~4 197), 232833#(<= ULTIMATE.start_main_~i~4 196), 232832#(<= ULTIMATE.start_main_~i~4 195), 232839#(<= ULTIMATE.start_main_~i~4 202), 232838#(<= ULTIMATE.start_main_~i~4 201), 232837#(<= ULTIMATE.start_main_~i~4 200), 232836#(<= ULTIMATE.start_main_~i~4 199), 232843#(<= ULTIMATE.start_main_~i~4 206), 232842#(<= ULTIMATE.start_main_~i~4 205), 232841#(<= ULTIMATE.start_main_~i~4 204), 232840#(<= ULTIMATE.start_main_~i~4 203), 232847#(<= ULTIMATE.start_main_~i~4 210), 232846#(<= ULTIMATE.start_main_~i~4 209), 232845#(<= ULTIMATE.start_main_~i~4 208), 232844#(<= ULTIMATE.start_main_~i~4 207), 232851#(<= ULTIMATE.start_main_~i~4 214), 232850#(<= ULTIMATE.start_main_~i~4 213), 232849#(<= ULTIMATE.start_main_~i~4 212), 232848#(<= ULTIMATE.start_main_~i~4 211), 232855#(<= ULTIMATE.start_main_~i~4 218), 232854#(<= ULTIMATE.start_main_~i~4 217), 232853#(<= ULTIMATE.start_main_~i~4 216), 232852#(<= ULTIMATE.start_main_~i~4 215), 232859#(<= ULTIMATE.start_main_~i~4 222), 232858#(<= ULTIMATE.start_main_~i~4 221), 232857#(<= ULTIMATE.start_main_~i~4 220), 232856#(<= ULTIMATE.start_main_~i~4 219), 232861#(<= ULTIMATE.start_main_~i~4 224), 232860#(<= ULTIMATE.start_main_~i~4 223)] [2018-07-23 13:47:17,894 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 13:47:17,894 INFO L450 AbstractCegarLoop]: Interpolant automaton has 227 states [2018-07-23 13:47:17,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2018-07-23 13:47:17,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:47:17,901 INFO L87 Difference]: Start difference. First operand 453 states and 453 transitions. Second operand 227 states. [2018-07-23 13:47:20,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:20,167 INFO L93 Difference]: Finished difference Result 457 states and 457 transitions. [2018-07-23 13:47:20,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2018-07-23 13:47:20,167 INFO L78 Accepts]: Start accepts. Automaton has 227 states. Word has length 452 [2018-07-23 13:47:20,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:20,168 INFO L225 Difference]: With dead ends: 457 [2018-07-23 13:47:20,168 INFO L226 Difference]: Without dead ends: 455 [2018-07-23 13:47:20,171 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25651, Invalid=25651, Unknown=0, NotChecked=0, Total=51302 [2018-07-23 13:47:20,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-07-23 13:47:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2018-07-23 13:47:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-07-23 13:47:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 455 transitions. [2018-07-23 13:47:20,175 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 455 transitions. Word has length 452 [2018-07-23 13:47:20,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:20,175 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 455 transitions. [2018-07-23 13:47:20,175 INFO L472 AbstractCegarLoop]: Interpolant automaton has 227 states. [2018-07-23 13:47:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 455 transitions. [2018-07-23 13:47:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-07-23 13:47:20,177 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:20,178 INFO L357 BasicCegarLoop]: trace histogram [226, 225, 1, 1, 1] [2018-07-23 13:47:20,178 INFO L414 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:20,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1728888767, now seen corresponding path program 225 times [2018-07-23 13:47:20,178 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:21,889 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 13:47:21,890 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:21,890 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [227] total 227 [2018-07-23 13:47:21,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:21,891 INFO L185 omatonBuilderFactory]: Interpolants [234687#false, 234686#true, 234691#(<= ULTIMATE.start_main_~i~4 3), 234690#(<= ULTIMATE.start_main_~i~4 2), 234689#(<= ULTIMATE.start_main_~i~4 1), 234688#(<= ULTIMATE.start_main_~i~4 0), 234695#(<= ULTIMATE.start_main_~i~4 7), 234694#(<= ULTIMATE.start_main_~i~4 6), 234693#(<= ULTIMATE.start_main_~i~4 5), 234692#(<= ULTIMATE.start_main_~i~4 4), 234699#(<= ULTIMATE.start_main_~i~4 11), 234698#(<= ULTIMATE.start_main_~i~4 10), 234697#(<= ULTIMATE.start_main_~i~4 9), 234696#(<= ULTIMATE.start_main_~i~4 8), 234703#(<= ULTIMATE.start_main_~i~4 15), 234702#(<= ULTIMATE.start_main_~i~4 14), 234701#(<= ULTIMATE.start_main_~i~4 13), 234700#(<= ULTIMATE.start_main_~i~4 12), 234707#(<= ULTIMATE.start_main_~i~4 19), 234706#(<= ULTIMATE.start_main_~i~4 18), 234705#(<= ULTIMATE.start_main_~i~4 17), 234704#(<= ULTIMATE.start_main_~i~4 16), 234711#(<= ULTIMATE.start_main_~i~4 23), 234710#(<= ULTIMATE.start_main_~i~4 22), 234709#(<= ULTIMATE.start_main_~i~4 21), 234708#(<= ULTIMATE.start_main_~i~4 20), 234715#(<= ULTIMATE.start_main_~i~4 27), 234714#(<= ULTIMATE.start_main_~i~4 26), 234713#(<= ULTIMATE.start_main_~i~4 25), 234712#(<= ULTIMATE.start_main_~i~4 24), 234719#(<= ULTIMATE.start_main_~i~4 31), 234718#(<= ULTIMATE.start_main_~i~4 30), 234717#(<= ULTIMATE.start_main_~i~4 29), 234716#(<= ULTIMATE.start_main_~i~4 28), 234723#(<= ULTIMATE.start_main_~i~4 35), 234722#(<= ULTIMATE.start_main_~i~4 34), 234721#(<= ULTIMATE.start_main_~i~4 33), 234720#(<= ULTIMATE.start_main_~i~4 32), 234727#(<= ULTIMATE.start_main_~i~4 39), 234726#(<= ULTIMATE.start_main_~i~4 38), 234725#(<= ULTIMATE.start_main_~i~4 37), 234724#(<= ULTIMATE.start_main_~i~4 36), 234731#(<= ULTIMATE.start_main_~i~4 43), 234730#(<= ULTIMATE.start_main_~i~4 42), 234729#(<= ULTIMATE.start_main_~i~4 41), 234728#(<= ULTIMATE.start_main_~i~4 40), 234735#(<= ULTIMATE.start_main_~i~4 47), 234734#(<= ULTIMATE.start_main_~i~4 46), 234733#(<= ULTIMATE.start_main_~i~4 45), 234732#(<= ULTIMATE.start_main_~i~4 44), 234739#(<= ULTIMATE.start_main_~i~4 51), 234738#(<= ULTIMATE.start_main_~i~4 50), 234737#(<= ULTIMATE.start_main_~i~4 49), 234736#(<= ULTIMATE.start_main_~i~4 48), 234743#(<= ULTIMATE.start_main_~i~4 55), 234742#(<= ULTIMATE.start_main_~i~4 54), 234741#(<= ULTIMATE.start_main_~i~4 53), 234740#(<= ULTIMATE.start_main_~i~4 52), 234747#(<= ULTIMATE.start_main_~i~4 59), 234746#(<= ULTIMATE.start_main_~i~4 58), 234745#(<= ULTIMATE.start_main_~i~4 57), 234744#(<= ULTIMATE.start_main_~i~4 56), 234751#(<= ULTIMATE.start_main_~i~4 63), 234750#(<= ULTIMATE.start_main_~i~4 62), 234749#(<= ULTIMATE.start_main_~i~4 61), 234748#(<= ULTIMATE.start_main_~i~4 60), 234755#(<= ULTIMATE.start_main_~i~4 67), 234754#(<= ULTIMATE.start_main_~i~4 66), 234753#(<= ULTIMATE.start_main_~i~4 65), 234752#(<= ULTIMATE.start_main_~i~4 64), 234759#(<= ULTIMATE.start_main_~i~4 71), 234758#(<= ULTIMATE.start_main_~i~4 70), 234757#(<= ULTIMATE.start_main_~i~4 69), 234756#(<= ULTIMATE.start_main_~i~4 68), 234763#(<= ULTIMATE.start_main_~i~4 75), 234762#(<= ULTIMATE.start_main_~i~4 74), 234761#(<= ULTIMATE.start_main_~i~4 73), 234760#(<= ULTIMATE.start_main_~i~4 72), 234767#(<= ULTIMATE.start_main_~i~4 79), 234766#(<= ULTIMATE.start_main_~i~4 78), 234765#(<= ULTIMATE.start_main_~i~4 77), 234764#(<= ULTIMATE.start_main_~i~4 76), 234771#(<= ULTIMATE.start_main_~i~4 83), 234770#(<= ULTIMATE.start_main_~i~4 82), 234769#(<= ULTIMATE.start_main_~i~4 81), 234768#(<= ULTIMATE.start_main_~i~4 80), 234775#(<= ULTIMATE.start_main_~i~4 87), 234774#(<= ULTIMATE.start_main_~i~4 86), 234773#(<= ULTIMATE.start_main_~i~4 85), 234772#(<= ULTIMATE.start_main_~i~4 84), 234779#(<= ULTIMATE.start_main_~i~4 91), 234778#(<= ULTIMATE.start_main_~i~4 90), 234777#(<= ULTIMATE.start_main_~i~4 89), 234776#(<= ULTIMATE.start_main_~i~4 88), 234783#(<= ULTIMATE.start_main_~i~4 95), 234782#(<= ULTIMATE.start_main_~i~4 94), 234781#(<= ULTIMATE.start_main_~i~4 93), 234780#(<= ULTIMATE.start_main_~i~4 92), 234787#(<= ULTIMATE.start_main_~i~4 99), 234786#(<= ULTIMATE.start_main_~i~4 98), 234785#(<= ULTIMATE.start_main_~i~4 97), 234784#(<= ULTIMATE.start_main_~i~4 96), 234791#(<= ULTIMATE.start_main_~i~4 103), 234790#(<= ULTIMATE.start_main_~i~4 102), 234789#(<= ULTIMATE.start_main_~i~4 101), 234788#(<= ULTIMATE.start_main_~i~4 100), 234795#(<= ULTIMATE.start_main_~i~4 107), 234794#(<= ULTIMATE.start_main_~i~4 106), 234793#(<= ULTIMATE.start_main_~i~4 105), 234792#(<= ULTIMATE.start_main_~i~4 104), 234799#(<= ULTIMATE.start_main_~i~4 111), 234798#(<= ULTIMATE.start_main_~i~4 110), 234797#(<= ULTIMATE.start_main_~i~4 109), 234796#(<= ULTIMATE.start_main_~i~4 108), 234803#(<= ULTIMATE.start_main_~i~4 115), 234802#(<= ULTIMATE.start_main_~i~4 114), 234801#(<= ULTIMATE.start_main_~i~4 113), 234800#(<= ULTIMATE.start_main_~i~4 112), 234807#(<= ULTIMATE.start_main_~i~4 119), 234806#(<= ULTIMATE.start_main_~i~4 118), 234805#(<= ULTIMATE.start_main_~i~4 117), 234804#(<= ULTIMATE.start_main_~i~4 116), 234811#(<= ULTIMATE.start_main_~i~4 123), 234810#(<= ULTIMATE.start_main_~i~4 122), 234809#(<= ULTIMATE.start_main_~i~4 121), 234808#(<= ULTIMATE.start_main_~i~4 120), 234815#(<= ULTIMATE.start_main_~i~4 127), 234814#(<= ULTIMATE.start_main_~i~4 126), 234813#(<= ULTIMATE.start_main_~i~4 125), 234812#(<= ULTIMATE.start_main_~i~4 124), 234819#(<= ULTIMATE.start_main_~i~4 131), 234818#(<= ULTIMATE.start_main_~i~4 130), 234817#(<= ULTIMATE.start_main_~i~4 129), 234816#(<= ULTIMATE.start_main_~i~4 128), 234823#(<= ULTIMATE.start_main_~i~4 135), 234822#(<= ULTIMATE.start_main_~i~4 134), 234821#(<= ULTIMATE.start_main_~i~4 133), 234820#(<= ULTIMATE.start_main_~i~4 132), 234827#(<= ULTIMATE.start_main_~i~4 139), 234826#(<= ULTIMATE.start_main_~i~4 138), 234825#(<= ULTIMATE.start_main_~i~4 137), 234824#(<= ULTIMATE.start_main_~i~4 136), 234831#(<= ULTIMATE.start_main_~i~4 143), 234830#(<= ULTIMATE.start_main_~i~4 142), 234829#(<= ULTIMATE.start_main_~i~4 141), 234828#(<= ULTIMATE.start_main_~i~4 140), 234835#(<= ULTIMATE.start_main_~i~4 147), 234834#(<= ULTIMATE.start_main_~i~4 146), 234833#(<= ULTIMATE.start_main_~i~4 145), 234832#(<= ULTIMATE.start_main_~i~4 144), 234839#(<= ULTIMATE.start_main_~i~4 151), 234838#(<= ULTIMATE.start_main_~i~4 150), 234837#(<= ULTIMATE.start_main_~i~4 149), 234836#(<= ULTIMATE.start_main_~i~4 148), 234843#(<= ULTIMATE.start_main_~i~4 155), 234842#(<= ULTIMATE.start_main_~i~4 154), 234841#(<= ULTIMATE.start_main_~i~4 153), 234840#(<= ULTIMATE.start_main_~i~4 152), 234847#(<= ULTIMATE.start_main_~i~4 159), 234846#(<= ULTIMATE.start_main_~i~4 158), 234845#(<= ULTIMATE.start_main_~i~4 157), 234844#(<= ULTIMATE.start_main_~i~4 156), 234851#(<= ULTIMATE.start_main_~i~4 163), 234850#(<= ULTIMATE.start_main_~i~4 162), 234849#(<= ULTIMATE.start_main_~i~4 161), 234848#(<= ULTIMATE.start_main_~i~4 160), 234855#(<= ULTIMATE.start_main_~i~4 167), 234854#(<= ULTIMATE.start_main_~i~4 166), 234853#(<= ULTIMATE.start_main_~i~4 165), 234852#(<= ULTIMATE.start_main_~i~4 164), 234859#(<= ULTIMATE.start_main_~i~4 171), 234858#(<= ULTIMATE.start_main_~i~4 170), 234857#(<= ULTIMATE.start_main_~i~4 169), 234856#(<= ULTIMATE.start_main_~i~4 168), 234863#(<= ULTIMATE.start_main_~i~4 175), 234862#(<= ULTIMATE.start_main_~i~4 174), 234861#(<= ULTIMATE.start_main_~i~4 173), 234860#(<= ULTIMATE.start_main_~i~4 172), 234867#(<= ULTIMATE.start_main_~i~4 179), 234866#(<= ULTIMATE.start_main_~i~4 178), 234865#(<= ULTIMATE.start_main_~i~4 177), 234864#(<= ULTIMATE.start_main_~i~4 176), 234871#(<= ULTIMATE.start_main_~i~4 183), 234870#(<= ULTIMATE.start_main_~i~4 182), 234869#(<= ULTIMATE.start_main_~i~4 181), 234868#(<= ULTIMATE.start_main_~i~4 180), 234875#(<= ULTIMATE.start_main_~i~4 187), 234874#(<= ULTIMATE.start_main_~i~4 186), 234873#(<= ULTIMATE.start_main_~i~4 185), 234872#(<= ULTIMATE.start_main_~i~4 184), 234879#(<= ULTIMATE.start_main_~i~4 191), 234878#(<= ULTIMATE.start_main_~i~4 190), 234877#(<= ULTIMATE.start_main_~i~4 189), 234876#(<= ULTIMATE.start_main_~i~4 188), 234883#(<= ULTIMATE.start_main_~i~4 195), 234882#(<= ULTIMATE.start_main_~i~4 194), 234881#(<= ULTIMATE.start_main_~i~4 193), 234880#(<= ULTIMATE.start_main_~i~4 192), 234887#(<= ULTIMATE.start_main_~i~4 199), 234886#(<= ULTIMATE.start_main_~i~4 198), 234885#(<= ULTIMATE.start_main_~i~4 197), 234884#(<= ULTIMATE.start_main_~i~4 196), 234891#(<= ULTIMATE.start_main_~i~4 203), 234890#(<= ULTIMATE.start_main_~i~4 202), 234889#(<= ULTIMATE.start_main_~i~4 201), 234888#(<= ULTIMATE.start_main_~i~4 200), 234895#(<= ULTIMATE.start_main_~i~4 207), 234894#(<= ULTIMATE.start_main_~i~4 206), 234893#(<= ULTIMATE.start_main_~i~4 205), 234892#(<= ULTIMATE.start_main_~i~4 204), 234899#(<= ULTIMATE.start_main_~i~4 211), 234898#(<= ULTIMATE.start_main_~i~4 210), 234897#(<= ULTIMATE.start_main_~i~4 209), 234896#(<= ULTIMATE.start_main_~i~4 208), 234903#(<= ULTIMATE.start_main_~i~4 215), 234902#(<= ULTIMATE.start_main_~i~4 214), 234901#(<= ULTIMATE.start_main_~i~4 213), 234900#(<= ULTIMATE.start_main_~i~4 212), 234907#(<= ULTIMATE.start_main_~i~4 219), 234906#(<= ULTIMATE.start_main_~i~4 218), 234905#(<= ULTIMATE.start_main_~i~4 217), 234904#(<= ULTIMATE.start_main_~i~4 216), 234911#(<= ULTIMATE.start_main_~i~4 223), 234910#(<= ULTIMATE.start_main_~i~4 222), 234909#(<= ULTIMATE.start_main_~i~4 221), 234908#(<= ULTIMATE.start_main_~i~4 220), 234913#(<= ULTIMATE.start_main_~i~4 225), 234912#(<= ULTIMATE.start_main_~i~4 224)] [2018-07-23 13:47:21,893 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 13:47:21,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 228 states [2018-07-23 13:47:21,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2018-07-23 13:47:21,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:47:21,897 INFO L87 Difference]: Start difference. First operand 455 states and 455 transitions. Second operand 228 states. [2018-07-23 13:47:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:24,080 INFO L93 Difference]: Finished difference Result 459 states and 459 transitions. [2018-07-23 13:47:24,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2018-07-23 13:47:24,080 INFO L78 Accepts]: Start accepts. Automaton has 228 states. Word has length 454 [2018-07-23 13:47:24,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:24,080 INFO L225 Difference]: With dead ends: 459 [2018-07-23 13:47:24,081 INFO L226 Difference]: Without dead ends: 457 [2018-07-23 13:47:24,082 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25878, Invalid=25878, Unknown=0, NotChecked=0, Total=51756 [2018-07-23 13:47:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-07-23 13:47:24,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2018-07-23 13:47:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-07-23 13:47:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 457 transitions. [2018-07-23 13:47:24,089 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 457 transitions. Word has length 454 [2018-07-23 13:47:24,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:24,089 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 457 transitions. [2018-07-23 13:47:24,089 INFO L472 AbstractCegarLoop]: Interpolant automaton has 228 states. [2018-07-23 13:47:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 457 transitions. [2018-07-23 13:47:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2018-07-23 13:47:24,091 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:24,091 INFO L357 BasicCegarLoop]: trace histogram [227, 226, 1, 1, 1] [2018-07-23 13:47:24,092 INFO L414 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:24,092 INFO L82 PathProgramCache]: Analyzing trace with hash 690290555, now seen corresponding path program 226 times [2018-07-23 13:47:24,092 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:25,628 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 13:47:25,628 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:25,628 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [228] total 228 [2018-07-23 13:47:25,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:25,629 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 13:47:25,630 INFO L185 omatonBuilderFactory]: Interpolants [236747#false, 236746#true, 236751#(<= ULTIMATE.start_main_~i~4 3), 236750#(<= ULTIMATE.start_main_~i~4 2), 236749#(<= ULTIMATE.start_main_~i~4 1), 236748#(<= ULTIMATE.start_main_~i~4 0), 236755#(<= ULTIMATE.start_main_~i~4 7), 236754#(<= ULTIMATE.start_main_~i~4 6), 236753#(<= ULTIMATE.start_main_~i~4 5), 236752#(<= ULTIMATE.start_main_~i~4 4), 236759#(<= ULTIMATE.start_main_~i~4 11), 236758#(<= ULTIMATE.start_main_~i~4 10), 236757#(<= ULTIMATE.start_main_~i~4 9), 236756#(<= ULTIMATE.start_main_~i~4 8), 236763#(<= ULTIMATE.start_main_~i~4 15), 236762#(<= ULTIMATE.start_main_~i~4 14), 236761#(<= ULTIMATE.start_main_~i~4 13), 236760#(<= ULTIMATE.start_main_~i~4 12), 236767#(<= ULTIMATE.start_main_~i~4 19), 236766#(<= ULTIMATE.start_main_~i~4 18), 236765#(<= ULTIMATE.start_main_~i~4 17), 236764#(<= ULTIMATE.start_main_~i~4 16), 236771#(<= ULTIMATE.start_main_~i~4 23), 236770#(<= ULTIMATE.start_main_~i~4 22), 236769#(<= ULTIMATE.start_main_~i~4 21), 236768#(<= ULTIMATE.start_main_~i~4 20), 236775#(<= ULTIMATE.start_main_~i~4 27), 236774#(<= ULTIMATE.start_main_~i~4 26), 236773#(<= ULTIMATE.start_main_~i~4 25), 236772#(<= ULTIMATE.start_main_~i~4 24), 236779#(<= ULTIMATE.start_main_~i~4 31), 236778#(<= ULTIMATE.start_main_~i~4 30), 236777#(<= ULTIMATE.start_main_~i~4 29), 236776#(<= ULTIMATE.start_main_~i~4 28), 236783#(<= ULTIMATE.start_main_~i~4 35), 236782#(<= ULTIMATE.start_main_~i~4 34), 236781#(<= ULTIMATE.start_main_~i~4 33), 236780#(<= ULTIMATE.start_main_~i~4 32), 236787#(<= ULTIMATE.start_main_~i~4 39), 236786#(<= ULTIMATE.start_main_~i~4 38), 236785#(<= ULTIMATE.start_main_~i~4 37), 236784#(<= ULTIMATE.start_main_~i~4 36), 236791#(<= ULTIMATE.start_main_~i~4 43), 236790#(<= ULTIMATE.start_main_~i~4 42), 236789#(<= ULTIMATE.start_main_~i~4 41), 236788#(<= ULTIMATE.start_main_~i~4 40), 236795#(<= ULTIMATE.start_main_~i~4 47), 236794#(<= ULTIMATE.start_main_~i~4 46), 236793#(<= ULTIMATE.start_main_~i~4 45), 236792#(<= ULTIMATE.start_main_~i~4 44), 236799#(<= ULTIMATE.start_main_~i~4 51), 236798#(<= ULTIMATE.start_main_~i~4 50), 236797#(<= ULTIMATE.start_main_~i~4 49), 236796#(<= ULTIMATE.start_main_~i~4 48), 236803#(<= ULTIMATE.start_main_~i~4 55), 236802#(<= ULTIMATE.start_main_~i~4 54), 236801#(<= ULTIMATE.start_main_~i~4 53), 236800#(<= ULTIMATE.start_main_~i~4 52), 236807#(<= ULTIMATE.start_main_~i~4 59), 236806#(<= ULTIMATE.start_main_~i~4 58), 236805#(<= ULTIMATE.start_main_~i~4 57), 236804#(<= ULTIMATE.start_main_~i~4 56), 236811#(<= ULTIMATE.start_main_~i~4 63), 236810#(<= ULTIMATE.start_main_~i~4 62), 236809#(<= ULTIMATE.start_main_~i~4 61), 236808#(<= ULTIMATE.start_main_~i~4 60), 236815#(<= ULTIMATE.start_main_~i~4 67), 236814#(<= ULTIMATE.start_main_~i~4 66), 236813#(<= ULTIMATE.start_main_~i~4 65), 236812#(<= ULTIMATE.start_main_~i~4 64), 236819#(<= ULTIMATE.start_main_~i~4 71), 236818#(<= ULTIMATE.start_main_~i~4 70), 236817#(<= ULTIMATE.start_main_~i~4 69), 236816#(<= ULTIMATE.start_main_~i~4 68), 236823#(<= ULTIMATE.start_main_~i~4 75), 236822#(<= ULTIMATE.start_main_~i~4 74), 236821#(<= ULTIMATE.start_main_~i~4 73), 236820#(<= ULTIMATE.start_main_~i~4 72), 236827#(<= ULTIMATE.start_main_~i~4 79), 236826#(<= ULTIMATE.start_main_~i~4 78), 236825#(<= ULTIMATE.start_main_~i~4 77), 236824#(<= ULTIMATE.start_main_~i~4 76), 236831#(<= ULTIMATE.start_main_~i~4 83), 236830#(<= ULTIMATE.start_main_~i~4 82), 236829#(<= ULTIMATE.start_main_~i~4 81), 236828#(<= ULTIMATE.start_main_~i~4 80), 236835#(<= ULTIMATE.start_main_~i~4 87), 236834#(<= ULTIMATE.start_main_~i~4 86), 236833#(<= ULTIMATE.start_main_~i~4 85), 236832#(<= ULTIMATE.start_main_~i~4 84), 236839#(<= ULTIMATE.start_main_~i~4 91), 236838#(<= ULTIMATE.start_main_~i~4 90), 236837#(<= ULTIMATE.start_main_~i~4 89), 236836#(<= ULTIMATE.start_main_~i~4 88), 236843#(<= ULTIMATE.start_main_~i~4 95), 236842#(<= ULTIMATE.start_main_~i~4 94), 236841#(<= ULTIMATE.start_main_~i~4 93), 236840#(<= ULTIMATE.start_main_~i~4 92), 236847#(<= ULTIMATE.start_main_~i~4 99), 236846#(<= ULTIMATE.start_main_~i~4 98), 236845#(<= ULTIMATE.start_main_~i~4 97), 236844#(<= ULTIMATE.start_main_~i~4 96), 236851#(<= ULTIMATE.start_main_~i~4 103), 236850#(<= ULTIMATE.start_main_~i~4 102), 236849#(<= ULTIMATE.start_main_~i~4 101), 236848#(<= ULTIMATE.start_main_~i~4 100), 236855#(<= ULTIMATE.start_main_~i~4 107), 236854#(<= ULTIMATE.start_main_~i~4 106), 236853#(<= ULTIMATE.start_main_~i~4 105), 236852#(<= ULTIMATE.start_main_~i~4 104), 236859#(<= ULTIMATE.start_main_~i~4 111), 236858#(<= ULTIMATE.start_main_~i~4 110), 236857#(<= ULTIMATE.start_main_~i~4 109), 236856#(<= ULTIMATE.start_main_~i~4 108), 236863#(<= ULTIMATE.start_main_~i~4 115), 236862#(<= ULTIMATE.start_main_~i~4 114), 236861#(<= ULTIMATE.start_main_~i~4 113), 236860#(<= ULTIMATE.start_main_~i~4 112), 236867#(<= ULTIMATE.start_main_~i~4 119), 236866#(<= ULTIMATE.start_main_~i~4 118), 236865#(<= ULTIMATE.start_main_~i~4 117), 236864#(<= ULTIMATE.start_main_~i~4 116), 236871#(<= ULTIMATE.start_main_~i~4 123), 236870#(<= ULTIMATE.start_main_~i~4 122), 236869#(<= ULTIMATE.start_main_~i~4 121), 236868#(<= ULTIMATE.start_main_~i~4 120), 236875#(<= ULTIMATE.start_main_~i~4 127), 236874#(<= ULTIMATE.start_main_~i~4 126), 236873#(<= ULTIMATE.start_main_~i~4 125), 236872#(<= ULTIMATE.start_main_~i~4 124), 236879#(<= ULTIMATE.start_main_~i~4 131), 236878#(<= ULTIMATE.start_main_~i~4 130), 236877#(<= ULTIMATE.start_main_~i~4 129), 236876#(<= ULTIMATE.start_main_~i~4 128), 236883#(<= ULTIMATE.start_main_~i~4 135), 236882#(<= ULTIMATE.start_main_~i~4 134), 236881#(<= ULTIMATE.start_main_~i~4 133), 236880#(<= ULTIMATE.start_main_~i~4 132), 236887#(<= ULTIMATE.start_main_~i~4 139), 236886#(<= ULTIMATE.start_main_~i~4 138), 236885#(<= ULTIMATE.start_main_~i~4 137), 236884#(<= ULTIMATE.start_main_~i~4 136), 236891#(<= ULTIMATE.start_main_~i~4 143), 236890#(<= ULTIMATE.start_main_~i~4 142), 236889#(<= ULTIMATE.start_main_~i~4 141), 236888#(<= ULTIMATE.start_main_~i~4 140), 236895#(<= ULTIMATE.start_main_~i~4 147), 236894#(<= ULTIMATE.start_main_~i~4 146), 236893#(<= ULTIMATE.start_main_~i~4 145), 236892#(<= ULTIMATE.start_main_~i~4 144), 236899#(<= ULTIMATE.start_main_~i~4 151), 236898#(<= ULTIMATE.start_main_~i~4 150), 236897#(<= ULTIMATE.start_main_~i~4 149), 236896#(<= ULTIMATE.start_main_~i~4 148), 236903#(<= ULTIMATE.start_main_~i~4 155), 236902#(<= ULTIMATE.start_main_~i~4 154), 236901#(<= ULTIMATE.start_main_~i~4 153), 236900#(<= ULTIMATE.start_main_~i~4 152), 236907#(<= ULTIMATE.start_main_~i~4 159), 236906#(<= ULTIMATE.start_main_~i~4 158), 236905#(<= ULTIMATE.start_main_~i~4 157), 236904#(<= ULTIMATE.start_main_~i~4 156), 236911#(<= ULTIMATE.start_main_~i~4 163), 236910#(<= ULTIMATE.start_main_~i~4 162), 236909#(<= ULTIMATE.start_main_~i~4 161), 236908#(<= ULTIMATE.start_main_~i~4 160), 236915#(<= ULTIMATE.start_main_~i~4 167), 236914#(<= ULTIMATE.start_main_~i~4 166), 236913#(<= ULTIMATE.start_main_~i~4 165), 236912#(<= ULTIMATE.start_main_~i~4 164), 236919#(<= ULTIMATE.start_main_~i~4 171), 236918#(<= ULTIMATE.start_main_~i~4 170), 236917#(<= ULTIMATE.start_main_~i~4 169), 236916#(<= ULTIMATE.start_main_~i~4 168), 236923#(<= ULTIMATE.start_main_~i~4 175), 236922#(<= ULTIMATE.start_main_~i~4 174), 236921#(<= ULTIMATE.start_main_~i~4 173), 236920#(<= ULTIMATE.start_main_~i~4 172), 236927#(<= ULTIMATE.start_main_~i~4 179), 236926#(<= ULTIMATE.start_main_~i~4 178), 236925#(<= ULTIMATE.start_main_~i~4 177), 236924#(<= ULTIMATE.start_main_~i~4 176), 236931#(<= ULTIMATE.start_main_~i~4 183), 236930#(<= ULTIMATE.start_main_~i~4 182), 236929#(<= ULTIMATE.start_main_~i~4 181), 236928#(<= ULTIMATE.start_main_~i~4 180), 236935#(<= ULTIMATE.start_main_~i~4 187), 236934#(<= ULTIMATE.start_main_~i~4 186), 236933#(<= ULTIMATE.start_main_~i~4 185), 236932#(<= ULTIMATE.start_main_~i~4 184), 236939#(<= ULTIMATE.start_main_~i~4 191), 236938#(<= ULTIMATE.start_main_~i~4 190), 236937#(<= ULTIMATE.start_main_~i~4 189), 236936#(<= ULTIMATE.start_main_~i~4 188), 236943#(<= ULTIMATE.start_main_~i~4 195), 236942#(<= ULTIMATE.start_main_~i~4 194), 236941#(<= ULTIMATE.start_main_~i~4 193), 236940#(<= ULTIMATE.start_main_~i~4 192), 236947#(<= ULTIMATE.start_main_~i~4 199), 236946#(<= ULTIMATE.start_main_~i~4 198), 236945#(<= ULTIMATE.start_main_~i~4 197), 236944#(<= ULTIMATE.start_main_~i~4 196), 236951#(<= ULTIMATE.start_main_~i~4 203), 236950#(<= ULTIMATE.start_main_~i~4 202), 236949#(<= ULTIMATE.start_main_~i~4 201), 236948#(<= ULTIMATE.start_main_~i~4 200), 236955#(<= ULTIMATE.start_main_~i~4 207), 236954#(<= ULTIMATE.start_main_~i~4 206), 236953#(<= ULTIMATE.start_main_~i~4 205), 236952#(<= ULTIMATE.start_main_~i~4 204), 236959#(<= ULTIMATE.start_main_~i~4 211), 236958#(<= ULTIMATE.start_main_~i~4 210), 236957#(<= ULTIMATE.start_main_~i~4 209), 236956#(<= ULTIMATE.start_main_~i~4 208), 236963#(<= ULTIMATE.start_main_~i~4 215), 236962#(<= ULTIMATE.start_main_~i~4 214), 236961#(<= ULTIMATE.start_main_~i~4 213), 236960#(<= ULTIMATE.start_main_~i~4 212), 236967#(<= ULTIMATE.start_main_~i~4 219), 236966#(<= ULTIMATE.start_main_~i~4 218), 236965#(<= ULTIMATE.start_main_~i~4 217), 236964#(<= ULTIMATE.start_main_~i~4 216), 236971#(<= ULTIMATE.start_main_~i~4 223), 236970#(<= ULTIMATE.start_main_~i~4 222), 236969#(<= ULTIMATE.start_main_~i~4 221), 236968#(<= ULTIMATE.start_main_~i~4 220), 236974#(<= ULTIMATE.start_main_~i~4 226), 236973#(<= ULTIMATE.start_main_~i~4 225), 236972#(<= ULTIMATE.start_main_~i~4 224)] [2018-07-23 13:47:25,632 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 13:47:25,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 229 states [2018-07-23 13:47:25,635 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2018-07-23 13:47:25,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26106, Invalid=26106, Unknown=0, NotChecked=0, Total=52212 [2018-07-23 13:47:25,637 INFO L87 Difference]: Start difference. First operand 457 states and 457 transitions. Second operand 229 states. [2018-07-23 13:47:28,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:28,011 INFO L93 Difference]: Finished difference Result 461 states and 461 transitions. [2018-07-23 13:47:28,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2018-07-23 13:47:28,011 INFO L78 Accepts]: Start accepts. Automaton has 229 states. Word has length 456 [2018-07-23 13:47:28,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:28,012 INFO L225 Difference]: With dead ends: 461 [2018-07-23 13:47:28,012 INFO L226 Difference]: Without dead ends: 459 [2018-07-23 13:47:28,013 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 13:47:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-07-23 13:47:28,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2018-07-23 13:47:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-07-23 13:47:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 459 transitions. [2018-07-23 13:47:28,018 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 459 transitions. Word has length 456 [2018-07-23 13:47:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:28,018 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 459 transitions. [2018-07-23 13:47:28,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 229 states. [2018-07-23 13:47:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 459 transitions. [2018-07-23 13:47:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2018-07-23 13:47:28,020 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:28,020 INFO L357 BasicCegarLoop]: trace histogram [228, 227, 1, 1, 1] [2018-07-23 13:47:28,020 INFO L414 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:28,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1944311861, now seen corresponding path program 227 times [2018-07-23 13:47:28,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:29,721 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 13:47:29,721 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:29,721 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [229] total 229 [2018-07-23 13:47:29,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:29,722 INFO L185 omatonBuilderFactory]: Interpolants [238815#true, 238819#(<= ULTIMATE.start_main_~i~4 2), 238818#(<= ULTIMATE.start_main_~i~4 1), 238817#(<= ULTIMATE.start_main_~i~4 0), 238816#false, 238823#(<= ULTIMATE.start_main_~i~4 6), 238822#(<= ULTIMATE.start_main_~i~4 5), 238821#(<= ULTIMATE.start_main_~i~4 4), 238820#(<= ULTIMATE.start_main_~i~4 3), 238827#(<= ULTIMATE.start_main_~i~4 10), 238826#(<= ULTIMATE.start_main_~i~4 9), 238825#(<= ULTIMATE.start_main_~i~4 8), 238824#(<= ULTIMATE.start_main_~i~4 7), 238831#(<= ULTIMATE.start_main_~i~4 14), 238830#(<= ULTIMATE.start_main_~i~4 13), 238829#(<= ULTIMATE.start_main_~i~4 12), 238828#(<= ULTIMATE.start_main_~i~4 11), 238835#(<= ULTIMATE.start_main_~i~4 18), 238834#(<= ULTIMATE.start_main_~i~4 17), 238833#(<= ULTIMATE.start_main_~i~4 16), 238832#(<= ULTIMATE.start_main_~i~4 15), 238839#(<= ULTIMATE.start_main_~i~4 22), 238838#(<= ULTIMATE.start_main_~i~4 21), 238837#(<= ULTIMATE.start_main_~i~4 20), 238836#(<= ULTIMATE.start_main_~i~4 19), 238843#(<= ULTIMATE.start_main_~i~4 26), 238842#(<= ULTIMATE.start_main_~i~4 25), 238841#(<= ULTIMATE.start_main_~i~4 24), 238840#(<= ULTIMATE.start_main_~i~4 23), 238847#(<= ULTIMATE.start_main_~i~4 30), 238846#(<= ULTIMATE.start_main_~i~4 29), 238845#(<= ULTIMATE.start_main_~i~4 28), 238844#(<= ULTIMATE.start_main_~i~4 27), 238851#(<= ULTIMATE.start_main_~i~4 34), 238850#(<= ULTIMATE.start_main_~i~4 33), 238849#(<= ULTIMATE.start_main_~i~4 32), 238848#(<= ULTIMATE.start_main_~i~4 31), 238855#(<= ULTIMATE.start_main_~i~4 38), 238854#(<= ULTIMATE.start_main_~i~4 37), 238853#(<= ULTIMATE.start_main_~i~4 36), 238852#(<= ULTIMATE.start_main_~i~4 35), 238859#(<= ULTIMATE.start_main_~i~4 42), 238858#(<= ULTIMATE.start_main_~i~4 41), 238857#(<= ULTIMATE.start_main_~i~4 40), 238856#(<= ULTIMATE.start_main_~i~4 39), 238863#(<= ULTIMATE.start_main_~i~4 46), 238862#(<= ULTIMATE.start_main_~i~4 45), 238861#(<= ULTIMATE.start_main_~i~4 44), 238860#(<= ULTIMATE.start_main_~i~4 43), 238867#(<= ULTIMATE.start_main_~i~4 50), 238866#(<= ULTIMATE.start_main_~i~4 49), 238865#(<= ULTIMATE.start_main_~i~4 48), 238864#(<= ULTIMATE.start_main_~i~4 47), 238871#(<= ULTIMATE.start_main_~i~4 54), 238870#(<= ULTIMATE.start_main_~i~4 53), 238869#(<= ULTIMATE.start_main_~i~4 52), 238868#(<= ULTIMATE.start_main_~i~4 51), 238875#(<= ULTIMATE.start_main_~i~4 58), 238874#(<= ULTIMATE.start_main_~i~4 57), 238873#(<= ULTIMATE.start_main_~i~4 56), 238872#(<= ULTIMATE.start_main_~i~4 55), 238879#(<= ULTIMATE.start_main_~i~4 62), 238878#(<= ULTIMATE.start_main_~i~4 61), 238877#(<= ULTIMATE.start_main_~i~4 60), 238876#(<= ULTIMATE.start_main_~i~4 59), 238883#(<= ULTIMATE.start_main_~i~4 66), 238882#(<= ULTIMATE.start_main_~i~4 65), 238881#(<= ULTIMATE.start_main_~i~4 64), 238880#(<= ULTIMATE.start_main_~i~4 63), 238887#(<= ULTIMATE.start_main_~i~4 70), 238886#(<= ULTIMATE.start_main_~i~4 69), 238885#(<= ULTIMATE.start_main_~i~4 68), 238884#(<= ULTIMATE.start_main_~i~4 67), 238891#(<= ULTIMATE.start_main_~i~4 74), 238890#(<= ULTIMATE.start_main_~i~4 73), 238889#(<= ULTIMATE.start_main_~i~4 72), 238888#(<= ULTIMATE.start_main_~i~4 71), 238895#(<= ULTIMATE.start_main_~i~4 78), 238894#(<= ULTIMATE.start_main_~i~4 77), 238893#(<= ULTIMATE.start_main_~i~4 76), 238892#(<= ULTIMATE.start_main_~i~4 75), 238899#(<= ULTIMATE.start_main_~i~4 82), 238898#(<= ULTIMATE.start_main_~i~4 81), 238897#(<= ULTIMATE.start_main_~i~4 80), 238896#(<= ULTIMATE.start_main_~i~4 79), 238903#(<= ULTIMATE.start_main_~i~4 86), 238902#(<= ULTIMATE.start_main_~i~4 85), 238901#(<= ULTIMATE.start_main_~i~4 84), 238900#(<= ULTIMATE.start_main_~i~4 83), 238907#(<= ULTIMATE.start_main_~i~4 90), 238906#(<= ULTIMATE.start_main_~i~4 89), 238905#(<= ULTIMATE.start_main_~i~4 88), 238904#(<= ULTIMATE.start_main_~i~4 87), 238911#(<= ULTIMATE.start_main_~i~4 94), 238910#(<= ULTIMATE.start_main_~i~4 93), 238909#(<= ULTIMATE.start_main_~i~4 92), 238908#(<= ULTIMATE.start_main_~i~4 91), 238915#(<= ULTIMATE.start_main_~i~4 98), 238914#(<= ULTIMATE.start_main_~i~4 97), 238913#(<= ULTIMATE.start_main_~i~4 96), 238912#(<= ULTIMATE.start_main_~i~4 95), 238919#(<= ULTIMATE.start_main_~i~4 102), 238918#(<= ULTIMATE.start_main_~i~4 101), 238917#(<= ULTIMATE.start_main_~i~4 100), 238916#(<= ULTIMATE.start_main_~i~4 99), 238923#(<= ULTIMATE.start_main_~i~4 106), 238922#(<= ULTIMATE.start_main_~i~4 105), 238921#(<= ULTIMATE.start_main_~i~4 104), 238920#(<= ULTIMATE.start_main_~i~4 103), 238927#(<= ULTIMATE.start_main_~i~4 110), 238926#(<= ULTIMATE.start_main_~i~4 109), 238925#(<= ULTIMATE.start_main_~i~4 108), 238924#(<= ULTIMATE.start_main_~i~4 107), 238931#(<= ULTIMATE.start_main_~i~4 114), 238930#(<= ULTIMATE.start_main_~i~4 113), 238929#(<= ULTIMATE.start_main_~i~4 112), 238928#(<= ULTIMATE.start_main_~i~4 111), 238935#(<= ULTIMATE.start_main_~i~4 118), 238934#(<= ULTIMATE.start_main_~i~4 117), 238933#(<= ULTIMATE.start_main_~i~4 116), 238932#(<= ULTIMATE.start_main_~i~4 115), 238939#(<= ULTIMATE.start_main_~i~4 122), 238938#(<= ULTIMATE.start_main_~i~4 121), 238937#(<= ULTIMATE.start_main_~i~4 120), 238936#(<= ULTIMATE.start_main_~i~4 119), 238943#(<= ULTIMATE.start_main_~i~4 126), 238942#(<= ULTIMATE.start_main_~i~4 125), 238941#(<= ULTIMATE.start_main_~i~4 124), 238940#(<= ULTIMATE.start_main_~i~4 123), 238947#(<= ULTIMATE.start_main_~i~4 130), 238946#(<= ULTIMATE.start_main_~i~4 129), 238945#(<= ULTIMATE.start_main_~i~4 128), 238944#(<= ULTIMATE.start_main_~i~4 127), 238951#(<= ULTIMATE.start_main_~i~4 134), 238950#(<= ULTIMATE.start_main_~i~4 133), 238949#(<= ULTIMATE.start_main_~i~4 132), 238948#(<= ULTIMATE.start_main_~i~4 131), 238955#(<= ULTIMATE.start_main_~i~4 138), 238954#(<= ULTIMATE.start_main_~i~4 137), 238953#(<= ULTIMATE.start_main_~i~4 136), 238952#(<= ULTIMATE.start_main_~i~4 135), 238959#(<= ULTIMATE.start_main_~i~4 142), 238958#(<= ULTIMATE.start_main_~i~4 141), 238957#(<= ULTIMATE.start_main_~i~4 140), 238956#(<= ULTIMATE.start_main_~i~4 139), 238963#(<= ULTIMATE.start_main_~i~4 146), 238962#(<= ULTIMATE.start_main_~i~4 145), 238961#(<= ULTIMATE.start_main_~i~4 144), 238960#(<= ULTIMATE.start_main_~i~4 143), 238967#(<= ULTIMATE.start_main_~i~4 150), 238966#(<= ULTIMATE.start_main_~i~4 149), 238965#(<= ULTIMATE.start_main_~i~4 148), 238964#(<= ULTIMATE.start_main_~i~4 147), 238971#(<= ULTIMATE.start_main_~i~4 154), 238970#(<= ULTIMATE.start_main_~i~4 153), 238969#(<= ULTIMATE.start_main_~i~4 152), 238968#(<= ULTIMATE.start_main_~i~4 151), 238975#(<= ULTIMATE.start_main_~i~4 158), 238974#(<= ULTIMATE.start_main_~i~4 157), 238973#(<= ULTIMATE.start_main_~i~4 156), 238972#(<= ULTIMATE.start_main_~i~4 155), 238979#(<= ULTIMATE.start_main_~i~4 162), 238978#(<= ULTIMATE.start_main_~i~4 161), 238977#(<= ULTIMATE.start_main_~i~4 160), 238976#(<= ULTIMATE.start_main_~i~4 159), 238983#(<= ULTIMATE.start_main_~i~4 166), 238982#(<= ULTIMATE.start_main_~i~4 165), 238981#(<= ULTIMATE.start_main_~i~4 164), 238980#(<= ULTIMATE.start_main_~i~4 163), 238987#(<= ULTIMATE.start_main_~i~4 170), 238986#(<= ULTIMATE.start_main_~i~4 169), 238985#(<= ULTIMATE.start_main_~i~4 168), 238984#(<= ULTIMATE.start_main_~i~4 167), 238991#(<= ULTIMATE.start_main_~i~4 174), 238990#(<= ULTIMATE.start_main_~i~4 173), 238989#(<= ULTIMATE.start_main_~i~4 172), 238988#(<= ULTIMATE.start_main_~i~4 171), 238995#(<= ULTIMATE.start_main_~i~4 178), 238994#(<= ULTIMATE.start_main_~i~4 177), 238993#(<= ULTIMATE.start_main_~i~4 176), 238992#(<= ULTIMATE.start_main_~i~4 175), 238999#(<= ULTIMATE.start_main_~i~4 182), 238998#(<= ULTIMATE.start_main_~i~4 181), 238997#(<= ULTIMATE.start_main_~i~4 180), 238996#(<= ULTIMATE.start_main_~i~4 179), 239003#(<= ULTIMATE.start_main_~i~4 186), 239002#(<= ULTIMATE.start_main_~i~4 185), 239001#(<= ULTIMATE.start_main_~i~4 184), 239000#(<= ULTIMATE.start_main_~i~4 183), 239007#(<= ULTIMATE.start_main_~i~4 190), 239006#(<= ULTIMATE.start_main_~i~4 189), 239005#(<= ULTIMATE.start_main_~i~4 188), 239004#(<= ULTIMATE.start_main_~i~4 187), 239011#(<= ULTIMATE.start_main_~i~4 194), 239010#(<= ULTIMATE.start_main_~i~4 193), 239009#(<= ULTIMATE.start_main_~i~4 192), 239008#(<= ULTIMATE.start_main_~i~4 191), 239015#(<= ULTIMATE.start_main_~i~4 198), 239014#(<= ULTIMATE.start_main_~i~4 197), 239013#(<= ULTIMATE.start_main_~i~4 196), 239012#(<= ULTIMATE.start_main_~i~4 195), 239019#(<= ULTIMATE.start_main_~i~4 202), 239018#(<= ULTIMATE.start_main_~i~4 201), 239017#(<= ULTIMATE.start_main_~i~4 200), 239016#(<= ULTIMATE.start_main_~i~4 199), 239023#(<= ULTIMATE.start_main_~i~4 206), 239022#(<= ULTIMATE.start_main_~i~4 205), 239021#(<= ULTIMATE.start_main_~i~4 204), 239020#(<= ULTIMATE.start_main_~i~4 203), 239027#(<= ULTIMATE.start_main_~i~4 210), 239026#(<= ULTIMATE.start_main_~i~4 209), 239025#(<= ULTIMATE.start_main_~i~4 208), 239024#(<= ULTIMATE.start_main_~i~4 207), 239031#(<= ULTIMATE.start_main_~i~4 214), 239030#(<= ULTIMATE.start_main_~i~4 213), 239029#(<= ULTIMATE.start_main_~i~4 212), 239028#(<= ULTIMATE.start_main_~i~4 211), 239035#(<= ULTIMATE.start_main_~i~4 218), 239034#(<= ULTIMATE.start_main_~i~4 217), 239033#(<= ULTIMATE.start_main_~i~4 216), 239032#(<= ULTIMATE.start_main_~i~4 215), 239039#(<= ULTIMATE.start_main_~i~4 222), 239038#(<= ULTIMATE.start_main_~i~4 221), 239037#(<= ULTIMATE.start_main_~i~4 220), 239036#(<= ULTIMATE.start_main_~i~4 219), 239043#(<= ULTIMATE.start_main_~i~4 226), 239042#(<= ULTIMATE.start_main_~i~4 225), 239041#(<= ULTIMATE.start_main_~i~4 224), 239040#(<= ULTIMATE.start_main_~i~4 223), 239044#(<= ULTIMATE.start_main_~i~4 227)] [2018-07-23 13:47:29,724 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 13:47:29,724 INFO L450 AbstractCegarLoop]: Interpolant automaton has 230 states [2018-07-23 13:47:29,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2018-07-23 13:47:29,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26335, Invalid=26335, Unknown=0, NotChecked=0, Total=52670 [2018-07-23 13:47:29,727 INFO L87 Difference]: Start difference. First operand 459 states and 459 transitions. Second operand 230 states. Received shutdown request... [2018-07-23 13:47:31,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:47:31,243 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:47:31,249 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:47:31,249 INFO L202 PluginConnector]: Adding new model count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:47:31 BoogieIcfgContainer [2018-07-23 13:47:31,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:47:31,250 INFO L168 Benchmark]: Toolchain (without parser) took 262902.33 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -929.5 MB). Peak memory consumption was 511.2 MB. Max. memory is 7.1 GB. [2018-07-23 13:47:31,252 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:47:31,252 INFO L168 Benchmark]: Boogie Preprocessor took 48.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:47:31,253 INFO L168 Benchmark]: RCFGBuilder took 210.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:47:31,253 INFO L168 Benchmark]: TraceAbstraction took 262638.88 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -940.1 MB). Peak memory consumption was 500.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:47:31,255 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 210.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262638.88 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -940.1 MB). Peak memory consumption was 500.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 34). Cancelled while BasicCegarLoop was constructing difference of abstraction (459states) and interpolant automaton (currently 192 states, 230 states before enhancement), while ReachableStatesComputation was computing reachable states (379 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 262.5s OverallTime, 228 OverallIterations, 228 TraceHistogramMax, 131.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 910 SDtfs, 0 SDslu, 37606 SDs, 0 SdLazy, 37834 SolverSat, 481 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26334 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 26106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 90.6s Time, 0.4s BasicInterpolantAutomatonTime, BiggestAbstraction: size=459occurred in iteration=227, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/3950708 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, 227 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 16.7s SatisfiabilityAnalysisTime, 99.7s InterpolantComputationTime, 52668 NumberOfCodeBlocks, 52668 NumberOfCodeBlocksAsserted, 228 NumberOfCheckSat, 52440 ConstructedInterpolants, 0 QuantifiedInterpolants, 47930844 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 228 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3950708 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_1.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-47-31-266.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_1.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-47-31-266.csv Completed graceful shutdown