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_nondet.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:45:08,026 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:45:08,028 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:45:08,041 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:45:08,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:45:08,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:45:08,045 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:45:08,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:45:08,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:45:08,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:45:08,053 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:45:08,053 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:45:08,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:45:08,057 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:45:08,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:45:08,068 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:45:08,069 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:45:08,071 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:45:08,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:45:08,080 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:45:08,082 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:45:08,083 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:45:08,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:45:08,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:45:08,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:45:08,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:45:08,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:45:08,095 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:45:08,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:45:08,097 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:45:08,097 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:45:08,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:45:08,104 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:45:08,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:45:08,129 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:45:08,130 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:45:08,130 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:45:08,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:45:08,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:45:08,131 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:45:08,131 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:45:08,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:45:08,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:45:08,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:45:08,206 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:45:08,206 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:45:08,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl [2018-07-23 13:45:08,207 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl' [2018-07-23 13:45:08,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:45:08,256 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:45:08,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:45:08,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:45:08,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:45:08,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:45:08,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:45:08,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:45:08,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:45:08,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/1) ... [2018-07-23 13:45:08,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:45:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:45:08,564 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:45:08,564 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:45:08 BoogieIcfgContainer [2018-07-23 13:45:08,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:45:08,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:45:08,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:45:08,569 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:45:08,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:08" (1/2) ... [2018-07-23 13:45:08,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64798672 and model type count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:45:08, skipping insertion in model container [2018-07-23 13:45:08,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:45:08" (2/2) ... [2018-07-23 13:45:08,575 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_nondet.i_3.bpl [2018-07-23 13:45:08,585 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:45:08,595 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:45:08,648 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:45:08,648 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:45:08,649 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:45:08,649 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:45:08,649 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:45:08,649 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:45:08,650 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:45:08,650 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:45:08,650 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:45:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:45:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:45:08,679 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,680 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:45:08,681 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,688 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 13:45:08,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,767 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:45:08,768 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:45:08,770 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:08,770 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 13:45:08,770 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(<= ULTIMATE.start_main_~i~5 0)] [2018-07-23 13:45:08,770 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 13:45:08,771 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:45:08,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:45:08,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:45:08,789 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:45:08,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:08,818 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:45:08,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:45:08,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 13:45:08,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:08,831 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:45:08,831 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:45:08,835 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:45:08,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:45:08,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:45:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:45:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:45:08,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:45:08,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:08,873 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:45:08,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:45:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:45:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:45:08,874 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,875 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:45:08,875 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,875 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 13:45:08,876 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:08,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,902 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:08,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:45:08,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,903 INFO L185 omatonBuilderFactory]: Interpolants [48#(<= ULTIMATE.start_main_~i~5 0), 49#(<= ULTIMATE.start_main_~i~5 999999), 46#true, 47#false] [2018-07-23 13:45:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:08,906 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:45:08,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:45:08,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:45:08,907 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:45:08,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:08,929 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:45:08,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:45:08,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:45:08,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:08,931 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:45:08,931 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:45:08,932 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 13:45:08,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:45:08,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:45:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:45:08,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:45:08,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:45:08,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:08,936 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:45:08,936 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:45:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:45:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:45:08,937 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,937 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:45:08,938 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,938 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-07-23 13:45:08,938 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,006 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,006 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:45:09,006 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,007 INFO L185 omatonBuilderFactory]: Interpolants [90#true, 91#false, 92#(<= ULTIMATE.start_main_~k~5 0), 93#(<= ULTIMATE.start_main_~k~5 1), 94#(<= ULTIMATE.start_main_~k~5 2)] [2018-07-23 13:45:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,007 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:45:09,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:45:09,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:45:09,008 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-07-23 13:45:09,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,029 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:45:09,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:45:09,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-07-23 13:45:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,030 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:45:09,030 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:45:09,031 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 13:45:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:45:09,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:45:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:45:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:45:09,035 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:45:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,035 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:45:09,036 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:45:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:45:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:45:09,036 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,036 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:45:09,037 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-07-23 13:45:09,037 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,095 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,095 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:45:09,096 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,096 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 13:45:09,096 INFO L185 omatonBuilderFactory]: Interpolants [144#false, 145#(<= ULTIMATE.start_main_~k~5 0), 146#(<= ULTIMATE.start_main_~k~5 1), 147#(<= ULTIMATE.start_main_~k~5 2), 148#(<= ULTIMATE.start_main_~k~5 3), 143#true] [2018-07-23 13:45:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,097 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:45:09,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:45:09,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:45:09,098 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-07-23 13:45:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,131 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:45:09,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:45:09,132 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-23 13:45:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,132 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:45:09,132 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:45:09,133 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 13:45:09,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:45:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:45:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:45:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:45:09,138 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:45:09,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,138 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:45:09,138 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:45:09,138 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:45:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:45:09,139 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,139 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:45:09,139 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-07-23 13:45:09,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,202 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,203 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:45:09,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,203 INFO L185 omatonBuilderFactory]: Interpolants [208#(<= ULTIMATE.start_main_~k~5 1), 209#(<= ULTIMATE.start_main_~k~5 2), 210#(<= ULTIMATE.start_main_~k~5 3), 211#(<= ULTIMATE.start_main_~k~5 4), 205#true, 206#false, 207#(<= ULTIMATE.start_main_~k~5 0)] [2018-07-23 13:45:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,204 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:45:09,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:45:09,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:45:09,205 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-07-23 13:45:09,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,227 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:45:09,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:45:09,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-23 13:45:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,228 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:45:09,228 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:45:09,229 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 13:45:09,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:45:09,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:45:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:45:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:45:09,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:45:09,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,234 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:45:09,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:45:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:45:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:45:09,235 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,235 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:45:09,236 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,236 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-07-23 13:45:09,236 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,330 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,331 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:45:09,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,331 INFO L185 omatonBuilderFactory]: Interpolants [276#true, 277#false, 278#(<= ULTIMATE.start_main_~k~5 0), 279#(<= ULTIMATE.start_main_~k~5 1), 280#(<= ULTIMATE.start_main_~k~5 2), 281#(<= ULTIMATE.start_main_~k~5 3), 282#(<= ULTIMATE.start_main_~k~5 4), 283#(<= ULTIMATE.start_main_~k~5 5)] [2018-07-23 13:45:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,332 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:45:09,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:45:09,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:45:09,333 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-07-23 13:45:09,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,357 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:45:09,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:45:09,357 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-07-23 13:45:09,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,358 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:45:09,360 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:45:09,361 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 13:45:09,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:45:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:45:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:45:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:45:09,371 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:45:09,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,371 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:45:09,372 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:45:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:45:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:45:09,372 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,373 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:45:09,373 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,373 INFO L82 PathProgramCache]: Analyzing trace with hash -652443485, now seen corresponding path program 6 times [2018-07-23 13:45:09,373 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,476 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,476 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:45:09,477 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,477 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 13:45:09,484 INFO L185 omatonBuilderFactory]: Interpolants [356#true, 357#false, 358#(<= ULTIMATE.start_main_~k~5 0), 359#(<= ULTIMATE.start_main_~k~5 1), 360#(<= ULTIMATE.start_main_~k~5 2), 361#(<= ULTIMATE.start_main_~k~5 3), 362#(<= ULTIMATE.start_main_~k~5 4), 363#(<= ULTIMATE.start_main_~k~5 5), 364#(<= ULTIMATE.start_main_~k~5 6)] [2018-07-23 13:45:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:45:09,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:45:09,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:45:09,486 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2018-07-23 13:45:09,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,533 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:45:09,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:45:09,534 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-07-23 13:45:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,535 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:45:09,535 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:45:09,537 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 13:45:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:45:09,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:45:09,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:45:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:45:09,548 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:45:09,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,548 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:45:09,549 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:45:09,549 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:45:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:45:09,550 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,550 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:45:09,550 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,550 INFO L82 PathProgramCache]: Analyzing trace with hash 67088221, now seen corresponding path program 7 times [2018-07-23 13:45:09,551 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,628 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,629 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:45:09,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,630 INFO L185 omatonBuilderFactory]: Interpolants [448#(<= ULTIMATE.start_main_~k~5 1), 449#(<= ULTIMATE.start_main_~k~5 2), 450#(<= ULTIMATE.start_main_~k~5 3), 451#(<= ULTIMATE.start_main_~k~5 4), 452#(<= ULTIMATE.start_main_~k~5 5), 453#(<= ULTIMATE.start_main_~k~5 6), 454#(<= ULTIMATE.start_main_~k~5 7), 445#true, 446#false, 447#(<= ULTIMATE.start_main_~k~5 0)] [2018-07-23 13:45:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,631 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:45:09,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:45:09,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:45:09,637 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2018-07-23 13:45:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,667 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:45:09,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:45:09,671 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-07-23 13:45:09,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,673 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:45:09,673 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:45:09,674 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 13:45:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:45:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:45:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:45:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:45:09,685 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:45:09,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,685 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:45:09,686 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:45:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:45:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:45:09,687 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,687 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:45:09,687 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,689 INFO L82 PathProgramCache]: Analyzing trace with hash 47323031, now seen corresponding path program 8 times [2018-07-23 13:45:09,690 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,759 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:45:09,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,760 INFO L185 omatonBuilderFactory]: Interpolants [544#false, 545#(<= ULTIMATE.start_main_~k~5 0), 546#(<= ULTIMATE.start_main_~k~5 1), 547#(<= ULTIMATE.start_main_~k~5 2), 548#(<= ULTIMATE.start_main_~k~5 3), 549#(<= ULTIMATE.start_main_~k~5 4), 550#(<= ULTIMATE.start_main_~k~5 5), 551#(<= ULTIMATE.start_main_~k~5 6), 552#(<= ULTIMATE.start_main_~k~5 7), 553#(<= ULTIMATE.start_main_~k~5 8), 543#true] [2018-07-23 13:45:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,761 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:45:09,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:45:09,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:45:09,762 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2018-07-23 13:45:09,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,782 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:45:09,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:45:09,783 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-07-23 13:45:09,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,783 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:45:09,784 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:45:09,784 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 13:45:09,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:45:09,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:45:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:45:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:45:09,790 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:45:09,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,790 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:45:09,791 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:45:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:45:09,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:45:09,792 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,792 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:45:09,792 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1767155375, now seen corresponding path program 9 times [2018-07-23 13:45:09,792 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,872 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,872 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:45:09,873 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,874 INFO L185 omatonBuilderFactory]: Interpolants [656#(<= ULTIMATE.start_main_~k~5 4), 657#(<= ULTIMATE.start_main_~k~5 5), 658#(<= ULTIMATE.start_main_~k~5 6), 659#(<= ULTIMATE.start_main_~k~5 7), 660#(<= ULTIMATE.start_main_~k~5 8), 661#(<= ULTIMATE.start_main_~k~5 9), 650#true, 651#false, 652#(<= ULTIMATE.start_main_~k~5 0), 653#(<= ULTIMATE.start_main_~k~5 1), 654#(<= ULTIMATE.start_main_~k~5 2), 655#(<= ULTIMATE.start_main_~k~5 3)] [2018-07-23 13:45:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,874 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:45:09,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:45:09,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:45:09,875 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 12 states. [2018-07-23 13:45:09,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,911 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:45:09,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:45:09,911 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-07-23 13:45:09,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,912 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:45:09,912 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:45:09,913 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 13:45:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:45:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:45:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:45:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:45:09,919 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:45:09,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:09,920 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:45:09,920 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:45:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:45:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:45:09,921 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:09,921 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:45:09,921 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:09,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1724181365, now seen corresponding path program 10 times [2018-07-23 13:45:09,922 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,990 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,991 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:45:09,991 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,992 INFO L185 omatonBuilderFactory]: Interpolants [768#(<= ULTIMATE.start_main_~k~5 0), 769#(<= ULTIMATE.start_main_~k~5 1), 770#(<= ULTIMATE.start_main_~k~5 2), 771#(<= ULTIMATE.start_main_~k~5 3), 772#(<= ULTIMATE.start_main_~k~5 4), 773#(<= ULTIMATE.start_main_~k~5 5), 774#(<= ULTIMATE.start_main_~k~5 6), 775#(<= ULTIMATE.start_main_~k~5 7), 776#(<= ULTIMATE.start_main_~k~5 8), 777#(<= ULTIMATE.start_main_~k~5 9), 778#(<= ULTIMATE.start_main_~k~5 10), 766#true, 767#false] [2018-07-23 13:45:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,992 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:45:09,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:45:09,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:45:09,993 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2018-07-23 13:45:10,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,015 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:45:10,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:45:10,016 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-07-23 13:45:10,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,017 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:45:10,017 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:45:10,017 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 13:45:10,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:45:10,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:45:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:45:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:45:10,023 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:45:10,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,023 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:45:10,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:45:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:45:10,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:45:10,024 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,025 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:45:10,026 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,027 INFO L82 PathProgramCache]: Analyzing trace with hash 919136581, now seen corresponding path program 11 times [2018-07-23 13:45:10,027 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,106 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,106 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:45:10,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,107 INFO L185 omatonBuilderFactory]: Interpolants [896#(<= ULTIMATE.start_main_~k~5 3), 897#(<= ULTIMATE.start_main_~k~5 4), 898#(<= ULTIMATE.start_main_~k~5 5), 899#(<= ULTIMATE.start_main_~k~5 6), 900#(<= ULTIMATE.start_main_~k~5 7), 901#(<= ULTIMATE.start_main_~k~5 8), 902#(<= ULTIMATE.start_main_~k~5 9), 903#(<= ULTIMATE.start_main_~k~5 10), 904#(<= ULTIMATE.start_main_~k~5 11), 891#true, 892#false, 893#(<= ULTIMATE.start_main_~k~5 0), 894#(<= ULTIMATE.start_main_~k~5 1), 895#(<= ULTIMATE.start_main_~k~5 2)] [2018-07-23 13:45:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,108 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:45:10,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:45:10,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:45:10,109 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 14 states. [2018-07-23 13:45:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,129 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:45:10,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:45:10,130 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-07-23 13:45:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,131 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:45:10,131 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:45:10,132 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 13:45:10,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:45:10,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:45:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:45:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:45:10,141 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:45:10,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,141 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:45:10,142 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:45:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:45:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:45:10,143 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,143 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:45:10,146 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1472956545, now seen corresponding path program 12 times [2018-07-23 13:45:10,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,227 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,227 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:45:10,228 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,229 INFO L185 omatonBuilderFactory]: Interpolants [1025#true, 1026#false, 1027#(<= ULTIMATE.start_main_~k~5 0), 1028#(<= ULTIMATE.start_main_~k~5 1), 1029#(<= ULTIMATE.start_main_~k~5 2), 1030#(<= ULTIMATE.start_main_~k~5 3), 1031#(<= ULTIMATE.start_main_~k~5 4), 1032#(<= ULTIMATE.start_main_~k~5 5), 1033#(<= ULTIMATE.start_main_~k~5 6), 1034#(<= ULTIMATE.start_main_~k~5 7), 1035#(<= ULTIMATE.start_main_~k~5 8), 1036#(<= ULTIMATE.start_main_~k~5 9), 1037#(<= ULTIMATE.start_main_~k~5 10), 1038#(<= ULTIMATE.start_main_~k~5 11), 1039#(<= ULTIMATE.start_main_~k~5 12)] [2018-07-23 13:45:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:45:10,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:45:10,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:45:10,230 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 15 states. [2018-07-23 13:45:10,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,251 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:45:10,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:45:10,252 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-07-23 13:45:10,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,253 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:45:10,253 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:45:10,253 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 13:45:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:45:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:45:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:45:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:45:10,261 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:45:10,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,264 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:45:10,264 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:45:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:45:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:45:10,266 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,266 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:45:10,266 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1828020025, now seen corresponding path program 13 times [2018-07-23 13:45:10,267 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,361 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:45:10,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,363 INFO L185 omatonBuilderFactory]: Interpolants [1168#true, 1169#false, 1170#(<= ULTIMATE.start_main_~k~5 0), 1171#(<= ULTIMATE.start_main_~k~5 1), 1172#(<= ULTIMATE.start_main_~k~5 2), 1173#(<= ULTIMATE.start_main_~k~5 3), 1174#(<= ULTIMATE.start_main_~k~5 4), 1175#(<= ULTIMATE.start_main_~k~5 5), 1176#(<= ULTIMATE.start_main_~k~5 6), 1177#(<= ULTIMATE.start_main_~k~5 7), 1178#(<= ULTIMATE.start_main_~k~5 8), 1179#(<= ULTIMATE.start_main_~k~5 9), 1180#(<= ULTIMATE.start_main_~k~5 10), 1181#(<= ULTIMATE.start_main_~k~5 11), 1182#(<= ULTIMATE.start_main_~k~5 12), 1183#(<= ULTIMATE.start_main_~k~5 13)] [2018-07-23 13:45:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:45:10,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:45:10,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:45:10,365 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 16 states. [2018-07-23 13:45:10,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,394 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:45:10,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:45:10,395 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-07-23 13:45:10,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,399 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:45:10,399 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:45:10,400 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 13:45:10,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:45:10,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:45:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:45:10,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:45:10,410 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:45:10,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,411 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:45:10,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:45:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:45:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:45:10,412 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,414 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:45:10,414 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,414 INFO L82 PathProgramCache]: Analyzing trace with hash 85672051, now seen corresponding path program 14 times [2018-07-23 13:45:10,414 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,495 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:45:10,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,496 INFO L185 omatonBuilderFactory]: Interpolants [1320#true, 1321#false, 1322#(<= ULTIMATE.start_main_~k~5 0), 1323#(<= ULTIMATE.start_main_~k~5 1), 1324#(<= ULTIMATE.start_main_~k~5 2), 1325#(<= ULTIMATE.start_main_~k~5 3), 1326#(<= ULTIMATE.start_main_~k~5 4), 1327#(<= ULTIMATE.start_main_~k~5 5), 1328#(<= ULTIMATE.start_main_~k~5 6), 1329#(<= ULTIMATE.start_main_~k~5 7), 1330#(<= ULTIMATE.start_main_~k~5 8), 1331#(<= ULTIMATE.start_main_~k~5 9), 1332#(<= ULTIMATE.start_main_~k~5 10), 1333#(<= ULTIMATE.start_main_~k~5 11), 1334#(<= ULTIMATE.start_main_~k~5 12), 1335#(<= ULTIMATE.start_main_~k~5 13), 1336#(<= ULTIMATE.start_main_~k~5 14)] [2018-07-23 13:45:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,497 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:45:10,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:45:10,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:45:10,498 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 17 states. [2018-07-23 13:45:10,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,525 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:45:10,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:45:10,525 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-07-23 13:45:10,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,526 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:45:10,526 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:45:10,529 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 13:45:10,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:45:10,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:45:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:45:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:45:10,537 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:45:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,538 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:45:10,538 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:45:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:45:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:45:10,539 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,539 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:45:10,544 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,544 INFO L82 PathProgramCache]: Analyzing trace with hash 726514477, now seen corresponding path program 15 times [2018-07-23 13:45:10,544 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,620 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,621 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:45:10,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,622 INFO L185 omatonBuilderFactory]: Interpolants [1481#true, 1482#false, 1483#(<= ULTIMATE.start_main_~k~5 0), 1484#(<= ULTIMATE.start_main_~k~5 1), 1485#(<= ULTIMATE.start_main_~k~5 2), 1486#(<= ULTIMATE.start_main_~k~5 3), 1487#(<= ULTIMATE.start_main_~k~5 4), 1488#(<= ULTIMATE.start_main_~k~5 5), 1489#(<= ULTIMATE.start_main_~k~5 6), 1490#(<= ULTIMATE.start_main_~k~5 7), 1491#(<= ULTIMATE.start_main_~k~5 8), 1492#(<= ULTIMATE.start_main_~k~5 9), 1493#(<= ULTIMATE.start_main_~k~5 10), 1494#(<= ULTIMATE.start_main_~k~5 11), 1495#(<= ULTIMATE.start_main_~k~5 12), 1496#(<= ULTIMATE.start_main_~k~5 13), 1497#(<= ULTIMATE.start_main_~k~5 14), 1498#(<= ULTIMATE.start_main_~k~5 15)] [2018-07-23 13:45:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,623 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:45:10,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:45:10,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:45:10,624 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 18 states. [2018-07-23 13:45:10,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,647 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:45:10,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:45:10,647 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-07-23 13:45:10,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,648 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:45:10,648 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:45:10,649 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 13:45:10,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:45:10,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:45:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:45:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:45:10,655 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:45:10,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,655 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:45:10,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:45:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:45:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:45:10,656 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,657 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:45:10,657 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1899204761, now seen corresponding path program 16 times [2018-07-23 13:45:10,657 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,732 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,732 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:45:10,733 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,734 INFO L185 omatonBuilderFactory]: Interpolants [1664#(<= ULTIMATE.start_main_~k~5 11), 1665#(<= ULTIMATE.start_main_~k~5 12), 1666#(<= ULTIMATE.start_main_~k~5 13), 1667#(<= ULTIMATE.start_main_~k~5 14), 1668#(<= ULTIMATE.start_main_~k~5 15), 1669#(<= ULTIMATE.start_main_~k~5 16), 1651#true, 1652#false, 1653#(<= ULTIMATE.start_main_~k~5 0), 1654#(<= ULTIMATE.start_main_~k~5 1), 1655#(<= ULTIMATE.start_main_~k~5 2), 1656#(<= ULTIMATE.start_main_~k~5 3), 1657#(<= ULTIMATE.start_main_~k~5 4), 1658#(<= ULTIMATE.start_main_~k~5 5), 1659#(<= ULTIMATE.start_main_~k~5 6), 1660#(<= ULTIMATE.start_main_~k~5 7), 1661#(<= ULTIMATE.start_main_~k~5 8), 1662#(<= ULTIMATE.start_main_~k~5 9), 1663#(<= ULTIMATE.start_main_~k~5 10)] [2018-07-23 13:45:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,734 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:45:10,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:45:10,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:45:10,736 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 19 states. [2018-07-23 13:45:10,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,762 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:45:10,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:45:10,763 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-07-23 13:45:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,764 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:45:10,764 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:45:10,765 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 13:45:10,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:45:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:45:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:45:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:45:10,776 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:45:10,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,777 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:45:10,777 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:45:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:45:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:45:10,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,783 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:45:10,784 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,784 INFO L82 PathProgramCache]: Analyzing trace with hash 225377569, now seen corresponding path program 17 times [2018-07-23 13:45:10,784 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,893 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:10,893 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:45:10,893 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,894 INFO L185 omatonBuilderFactory]: Interpolants [1830#true, 1831#false, 1832#(<= ULTIMATE.start_main_~k~5 0), 1833#(<= ULTIMATE.start_main_~k~5 1), 1834#(<= ULTIMATE.start_main_~k~5 2), 1835#(<= ULTIMATE.start_main_~k~5 3), 1836#(<= ULTIMATE.start_main_~k~5 4), 1837#(<= ULTIMATE.start_main_~k~5 5), 1838#(<= ULTIMATE.start_main_~k~5 6), 1839#(<= ULTIMATE.start_main_~k~5 7), 1840#(<= ULTIMATE.start_main_~k~5 8), 1841#(<= ULTIMATE.start_main_~k~5 9), 1842#(<= ULTIMATE.start_main_~k~5 10), 1843#(<= ULTIMATE.start_main_~k~5 11), 1844#(<= ULTIMATE.start_main_~k~5 12), 1845#(<= ULTIMATE.start_main_~k~5 13), 1846#(<= ULTIMATE.start_main_~k~5 14), 1847#(<= ULTIMATE.start_main_~k~5 15), 1848#(<= ULTIMATE.start_main_~k~5 16), 1849#(<= ULTIMATE.start_main_~k~5 17)] [2018-07-23 13:45:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:10,896 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:45:10,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:45:10,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:45:10,898 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 20 states. [2018-07-23 13:45:10,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:10,930 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:45:10,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:45:10,930 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2018-07-23 13:45:10,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:10,931 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:45:10,932 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:45:10,933 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 13:45:10,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:45:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:45:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:45:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:45:10,941 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:45:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,942 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:45:10,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:45:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:45:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:45:10,947 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,948 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:45:10,948 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1839531099, now seen corresponding path program 18 times [2018-07-23 13:45:10,949 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,072 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,073 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:45:11,073 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,074 INFO L185 omatonBuilderFactory]: Interpolants [2018#true, 2019#false, 2020#(<= ULTIMATE.start_main_~k~5 0), 2021#(<= ULTIMATE.start_main_~k~5 1), 2022#(<= ULTIMATE.start_main_~k~5 2), 2023#(<= ULTIMATE.start_main_~k~5 3), 2024#(<= ULTIMATE.start_main_~k~5 4), 2025#(<= ULTIMATE.start_main_~k~5 5), 2026#(<= ULTIMATE.start_main_~k~5 6), 2027#(<= ULTIMATE.start_main_~k~5 7), 2028#(<= ULTIMATE.start_main_~k~5 8), 2029#(<= ULTIMATE.start_main_~k~5 9), 2030#(<= ULTIMATE.start_main_~k~5 10), 2031#(<= ULTIMATE.start_main_~k~5 11), 2032#(<= ULTIMATE.start_main_~k~5 12), 2033#(<= ULTIMATE.start_main_~k~5 13), 2034#(<= ULTIMATE.start_main_~k~5 14), 2035#(<= ULTIMATE.start_main_~k~5 15), 2036#(<= ULTIMATE.start_main_~k~5 16), 2037#(<= ULTIMATE.start_main_~k~5 17), 2038#(<= ULTIMATE.start_main_~k~5 18)] [2018-07-23 13:45:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,075 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:45:11,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:45:11,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:45:11,077 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 21 states. [2018-07-23 13:45:11,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,104 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:45:11,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:45:11,105 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-07-23 13:45:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,105 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:45:11,106 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:45:11,106 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 13:45:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:45:11,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:45:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:45:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:45:11,113 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:45:11,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,113 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:45:11,113 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:45:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:45:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:45:11,115 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,115 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:45:11,115 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1737087723, now seen corresponding path program 19 times [2018-07-23 13:45:11,116 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,217 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,217 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:45:11,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,218 INFO L185 omatonBuilderFactory]: Interpolants [2215#true, 2216#false, 2217#(<= ULTIMATE.start_main_~k~5 0), 2218#(<= ULTIMATE.start_main_~k~5 1), 2219#(<= ULTIMATE.start_main_~k~5 2), 2220#(<= ULTIMATE.start_main_~k~5 3), 2221#(<= ULTIMATE.start_main_~k~5 4), 2222#(<= ULTIMATE.start_main_~k~5 5), 2223#(<= ULTIMATE.start_main_~k~5 6), 2224#(<= ULTIMATE.start_main_~k~5 7), 2225#(<= ULTIMATE.start_main_~k~5 8), 2226#(<= ULTIMATE.start_main_~k~5 9), 2227#(<= ULTIMATE.start_main_~k~5 10), 2228#(<= ULTIMATE.start_main_~k~5 11), 2229#(<= ULTIMATE.start_main_~k~5 12), 2230#(<= ULTIMATE.start_main_~k~5 13), 2231#(<= ULTIMATE.start_main_~k~5 14), 2232#(<= ULTIMATE.start_main_~k~5 15), 2233#(<= ULTIMATE.start_main_~k~5 16), 2234#(<= ULTIMATE.start_main_~k~5 17), 2235#(<= ULTIMATE.start_main_~k~5 18), 2236#(<= ULTIMATE.start_main_~k~5 19)] [2018-07-23 13:45:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,219 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:45:11,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:45:11,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:45:11,220 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-07-23 13:45:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,245 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:45:11,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:45:11,246 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2018-07-23 13:45:11,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,246 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:45:11,247 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:45:11,247 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 13:45:11,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:45:11,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:45:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:45:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:45:11,259 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:45:11,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,260 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:45:11,260 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:45:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:45:11,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:45:11,261 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,261 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:45:11,261 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1401028431, now seen corresponding path program 20 times [2018-07-23 13:45:11,262 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,377 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,377 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:45:11,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,378 INFO L185 omatonBuilderFactory]: Interpolants [2432#(<= ULTIMATE.start_main_~k~5 9), 2433#(<= ULTIMATE.start_main_~k~5 10), 2434#(<= ULTIMATE.start_main_~k~5 11), 2435#(<= ULTIMATE.start_main_~k~5 12), 2436#(<= ULTIMATE.start_main_~k~5 13), 2437#(<= ULTIMATE.start_main_~k~5 14), 2438#(<= ULTIMATE.start_main_~k~5 15), 2439#(<= ULTIMATE.start_main_~k~5 16), 2440#(<= ULTIMATE.start_main_~k~5 17), 2441#(<= ULTIMATE.start_main_~k~5 18), 2442#(<= ULTIMATE.start_main_~k~5 19), 2443#(<= ULTIMATE.start_main_~k~5 20), 2421#true, 2422#false, 2423#(<= ULTIMATE.start_main_~k~5 0), 2424#(<= ULTIMATE.start_main_~k~5 1), 2425#(<= ULTIMATE.start_main_~k~5 2), 2426#(<= ULTIMATE.start_main_~k~5 3), 2427#(<= ULTIMATE.start_main_~k~5 4), 2428#(<= ULTIMATE.start_main_~k~5 5), 2429#(<= ULTIMATE.start_main_~k~5 6), 2430#(<= ULTIMATE.start_main_~k~5 7), 2431#(<= ULTIMATE.start_main_~k~5 8)] [2018-07-23 13:45:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,380 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:45:11,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:45:11,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:45:11,383 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 23 states. [2018-07-23 13:45:11,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,408 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:45:11,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:45:11,409 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-07-23 13:45:11,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,409 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:45:11,410 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:45:11,410 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 13:45:11,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:45:11,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:45:11,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:45:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:45:11,419 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:45:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,421 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:45:11,421 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:45:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:45:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:45:11,422 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,422 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:45:11,422 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2063610633, now seen corresponding path program 21 times [2018-07-23 13:45:11,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,553 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,553 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:45:11,553 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,554 INFO L185 omatonBuilderFactory]: Interpolants [2656#(<= ULTIMATE.start_main_~k~5 18), 2657#(<= ULTIMATE.start_main_~k~5 19), 2658#(<= ULTIMATE.start_main_~k~5 20), 2659#(<= ULTIMATE.start_main_~k~5 21), 2636#true, 2637#false, 2638#(<= ULTIMATE.start_main_~k~5 0), 2639#(<= ULTIMATE.start_main_~k~5 1), 2640#(<= ULTIMATE.start_main_~k~5 2), 2641#(<= ULTIMATE.start_main_~k~5 3), 2642#(<= ULTIMATE.start_main_~k~5 4), 2643#(<= ULTIMATE.start_main_~k~5 5), 2644#(<= ULTIMATE.start_main_~k~5 6), 2645#(<= ULTIMATE.start_main_~k~5 7), 2646#(<= ULTIMATE.start_main_~k~5 8), 2647#(<= ULTIMATE.start_main_~k~5 9), 2648#(<= ULTIMATE.start_main_~k~5 10), 2649#(<= ULTIMATE.start_main_~k~5 11), 2650#(<= ULTIMATE.start_main_~k~5 12), 2651#(<= ULTIMATE.start_main_~k~5 13), 2652#(<= ULTIMATE.start_main_~k~5 14), 2653#(<= ULTIMATE.start_main_~k~5 15), 2654#(<= ULTIMATE.start_main_~k~5 16), 2655#(<= ULTIMATE.start_main_~k~5 17)] [2018-07-23 13:45:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,555 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:45:11,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:45:11,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:45:11,559 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 24 states. [2018-07-23 13:45:11,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,584 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:45:11,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:45:11,586 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2018-07-23 13:45:11,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,587 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:45:11,587 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:45:11,588 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 13:45:11,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:45:11,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:45:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:45:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:45:11,593 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:45:11,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,594 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:45:11,594 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:45:11,594 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:45:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:45:11,595 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,595 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:45:11,595 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1145020349, now seen corresponding path program 22 times [2018-07-23 13:45:11,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,738 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,738 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:45:11,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,739 INFO L185 omatonBuilderFactory]: Interpolants [2880#(<= ULTIMATE.start_main_~k~5 18), 2881#(<= ULTIMATE.start_main_~k~5 19), 2882#(<= ULTIMATE.start_main_~k~5 20), 2883#(<= ULTIMATE.start_main_~k~5 21), 2884#(<= ULTIMATE.start_main_~k~5 22), 2860#true, 2861#false, 2862#(<= ULTIMATE.start_main_~k~5 0), 2863#(<= ULTIMATE.start_main_~k~5 1), 2864#(<= ULTIMATE.start_main_~k~5 2), 2865#(<= ULTIMATE.start_main_~k~5 3), 2866#(<= ULTIMATE.start_main_~k~5 4), 2867#(<= ULTIMATE.start_main_~k~5 5), 2868#(<= ULTIMATE.start_main_~k~5 6), 2869#(<= ULTIMATE.start_main_~k~5 7), 2870#(<= ULTIMATE.start_main_~k~5 8), 2871#(<= ULTIMATE.start_main_~k~5 9), 2872#(<= ULTIMATE.start_main_~k~5 10), 2873#(<= ULTIMATE.start_main_~k~5 11), 2874#(<= ULTIMATE.start_main_~k~5 12), 2875#(<= ULTIMATE.start_main_~k~5 13), 2876#(<= ULTIMATE.start_main_~k~5 14), 2877#(<= ULTIMATE.start_main_~k~5 15), 2878#(<= ULTIMATE.start_main_~k~5 16), 2879#(<= ULTIMATE.start_main_~k~5 17)] [2018-07-23 13:45:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,740 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:45:11,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:45:11,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:45:11,742 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 25 states. [2018-07-23 13:45:11,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,774 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:45:11,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:45:11,775 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-07-23 13:45:11,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,776 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:45:11,776 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:45:11,777 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 13:45:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:45:11,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:45:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:45:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:45:11,788 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:45:11,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,789 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:45:11,789 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:45:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:45:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:45:11,794 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,794 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:45:11,794 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,794 INFO L82 PathProgramCache]: Analyzing trace with hash -852875523, now seen corresponding path program 23 times [2018-07-23 13:45:11,794 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,922 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:11,923 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:45:11,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,924 INFO L185 omatonBuilderFactory]: Interpolants [3093#true, 3094#false, 3095#(<= ULTIMATE.start_main_~k~5 0), 3096#(<= ULTIMATE.start_main_~k~5 1), 3097#(<= ULTIMATE.start_main_~k~5 2), 3098#(<= ULTIMATE.start_main_~k~5 3), 3099#(<= ULTIMATE.start_main_~k~5 4), 3100#(<= ULTIMATE.start_main_~k~5 5), 3101#(<= ULTIMATE.start_main_~k~5 6), 3102#(<= ULTIMATE.start_main_~k~5 7), 3103#(<= ULTIMATE.start_main_~k~5 8), 3104#(<= ULTIMATE.start_main_~k~5 9), 3105#(<= ULTIMATE.start_main_~k~5 10), 3106#(<= ULTIMATE.start_main_~k~5 11), 3107#(<= ULTIMATE.start_main_~k~5 12), 3108#(<= ULTIMATE.start_main_~k~5 13), 3109#(<= ULTIMATE.start_main_~k~5 14), 3110#(<= ULTIMATE.start_main_~k~5 15), 3111#(<= ULTIMATE.start_main_~k~5 16), 3112#(<= ULTIMATE.start_main_~k~5 17), 3113#(<= ULTIMATE.start_main_~k~5 18), 3114#(<= ULTIMATE.start_main_~k~5 19), 3115#(<= ULTIMATE.start_main_~k~5 20), 3116#(<= ULTIMATE.start_main_~k~5 21), 3117#(<= ULTIMATE.start_main_~k~5 22), 3118#(<= ULTIMATE.start_main_~k~5 23)] [2018-07-23 13:45:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:11,925 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:45:11,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:45:11,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:45:11,926 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 26 states. [2018-07-23 13:45:11,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:11,954 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:45:11,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:45:11,954 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 50 [2018-07-23 13:45:11,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:11,955 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:45:11,955 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:45:11,956 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 13:45:11,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:45:11,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:45:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:45:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:45:11,962 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:45:11,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:11,962 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:45:11,962 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:45:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:45:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:45:11,963 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:11,963 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:45:11,963 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:11,963 INFO L82 PathProgramCache]: Analyzing trace with hash 725428023, now seen corresponding path program 24 times [2018-07-23 13:45:11,964 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,101 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:12,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:45:12,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:12,102 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 13:45:12,103 INFO L185 omatonBuilderFactory]: Interpolants [3335#true, 3336#false, 3337#(<= ULTIMATE.start_main_~k~5 0), 3338#(<= ULTIMATE.start_main_~k~5 1), 3339#(<= ULTIMATE.start_main_~k~5 2), 3340#(<= ULTIMATE.start_main_~k~5 3), 3341#(<= ULTIMATE.start_main_~k~5 4), 3342#(<= ULTIMATE.start_main_~k~5 5), 3343#(<= ULTIMATE.start_main_~k~5 6), 3344#(<= ULTIMATE.start_main_~k~5 7), 3345#(<= ULTIMATE.start_main_~k~5 8), 3346#(<= ULTIMATE.start_main_~k~5 9), 3347#(<= ULTIMATE.start_main_~k~5 10), 3348#(<= ULTIMATE.start_main_~k~5 11), 3349#(<= ULTIMATE.start_main_~k~5 12), 3350#(<= ULTIMATE.start_main_~k~5 13), 3351#(<= ULTIMATE.start_main_~k~5 14), 3352#(<= ULTIMATE.start_main_~k~5 15), 3353#(<= ULTIMATE.start_main_~k~5 16), 3354#(<= ULTIMATE.start_main_~k~5 17), 3355#(<= ULTIMATE.start_main_~k~5 18), 3356#(<= ULTIMATE.start_main_~k~5 19), 3357#(<= ULTIMATE.start_main_~k~5 20), 3358#(<= ULTIMATE.start_main_~k~5 21), 3359#(<= ULTIMATE.start_main_~k~5 22), 3360#(<= ULTIMATE.start_main_~k~5 23), 3361#(<= ULTIMATE.start_main_~k~5 24)] [2018-07-23 13:45:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,104 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:45:12,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:45:12,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:45:12,108 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 27 states. [2018-07-23 13:45:12,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,141 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:45:12,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:45:12,142 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2018-07-23 13:45:12,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,142 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:45:12,142 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:45:12,143 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 13:45:12,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:45:12,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:45:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:45:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:45:12,156 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:45:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,159 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:45:12,159 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:45:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:45:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:45:12,160 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,160 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:45:12,160 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1351680241, now seen corresponding path program 25 times [2018-07-23 13:45:12,161 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,326 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:12,326 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:45:12,327 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,327 INFO L185 omatonBuilderFactory]: Interpolants [3586#true, 3587#false, 3588#(<= ULTIMATE.start_main_~k~5 0), 3589#(<= ULTIMATE.start_main_~k~5 1), 3590#(<= ULTIMATE.start_main_~k~5 2), 3591#(<= ULTIMATE.start_main_~k~5 3), 3592#(<= ULTIMATE.start_main_~k~5 4), 3593#(<= ULTIMATE.start_main_~k~5 5), 3594#(<= ULTIMATE.start_main_~k~5 6), 3595#(<= ULTIMATE.start_main_~k~5 7), 3596#(<= ULTIMATE.start_main_~k~5 8), 3597#(<= ULTIMATE.start_main_~k~5 9), 3598#(<= ULTIMATE.start_main_~k~5 10), 3599#(<= ULTIMATE.start_main_~k~5 11), 3600#(<= ULTIMATE.start_main_~k~5 12), 3601#(<= ULTIMATE.start_main_~k~5 13), 3602#(<= ULTIMATE.start_main_~k~5 14), 3603#(<= ULTIMATE.start_main_~k~5 15), 3604#(<= ULTIMATE.start_main_~k~5 16), 3605#(<= ULTIMATE.start_main_~k~5 17), 3606#(<= ULTIMATE.start_main_~k~5 18), 3607#(<= ULTIMATE.start_main_~k~5 19), 3608#(<= ULTIMATE.start_main_~k~5 20), 3609#(<= ULTIMATE.start_main_~k~5 21), 3610#(<= ULTIMATE.start_main_~k~5 22), 3611#(<= ULTIMATE.start_main_~k~5 23), 3612#(<= ULTIMATE.start_main_~k~5 24), 3613#(<= ULTIMATE.start_main_~k~5 25)] [2018-07-23 13:45:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,328 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:45:12,329 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:45:12,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:45:12,330 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 28 states. [2018-07-23 13:45:12,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,364 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:45:12,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:45:12,364 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 54 [2018-07-23 13:45:12,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,365 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:45:12,365 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:45:12,366 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 13:45:12,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:45:12,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:45:12,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:45:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:45:12,371 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:45:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,372 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:45:12,372 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:45:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:45:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:45:12,372 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,373 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:45:12,373 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1884640299, now seen corresponding path program 26 times [2018-07-23 13:45:12,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,532 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:12,532 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:45:12,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:12,533 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 13:45:12,533 INFO L185 omatonBuilderFactory]: Interpolants [3846#true, 3847#false, 3848#(<= ULTIMATE.start_main_~k~5 0), 3849#(<= ULTIMATE.start_main_~k~5 1), 3850#(<= ULTIMATE.start_main_~k~5 2), 3851#(<= ULTIMATE.start_main_~k~5 3), 3852#(<= ULTIMATE.start_main_~k~5 4), 3853#(<= ULTIMATE.start_main_~k~5 5), 3854#(<= ULTIMATE.start_main_~k~5 6), 3855#(<= ULTIMATE.start_main_~k~5 7), 3856#(<= ULTIMATE.start_main_~k~5 8), 3857#(<= ULTIMATE.start_main_~k~5 9), 3858#(<= ULTIMATE.start_main_~k~5 10), 3859#(<= ULTIMATE.start_main_~k~5 11), 3860#(<= ULTIMATE.start_main_~k~5 12), 3861#(<= ULTIMATE.start_main_~k~5 13), 3862#(<= ULTIMATE.start_main_~k~5 14), 3863#(<= ULTIMATE.start_main_~k~5 15), 3864#(<= ULTIMATE.start_main_~k~5 16), 3865#(<= ULTIMATE.start_main_~k~5 17), 3866#(<= ULTIMATE.start_main_~k~5 18), 3867#(<= ULTIMATE.start_main_~k~5 19), 3868#(<= ULTIMATE.start_main_~k~5 20), 3869#(<= ULTIMATE.start_main_~k~5 21), 3870#(<= ULTIMATE.start_main_~k~5 22), 3871#(<= ULTIMATE.start_main_~k~5 23), 3872#(<= ULTIMATE.start_main_~k~5 24), 3873#(<= ULTIMATE.start_main_~k~5 25), 3874#(<= ULTIMATE.start_main_~k~5 26)] [2018-07-23 13:45:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,535 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:45:12,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:45:12,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:45:12,536 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 29 states. [2018-07-23 13:45:12,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,572 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:45:12,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:45:12,573 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 56 [2018-07-23 13:45:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,573 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:45:12,574 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:45:12,574 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 13:45:12,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:45:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:45:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:45:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:45:12,578 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:45:12,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,578 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:45:12,579 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:45:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:45:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:45:12,579 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,579 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:45:12,580 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1336819483, now seen corresponding path program 27 times [2018-07-23 13:45:12,580 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:12,800 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 13:45:12,800 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:12,801 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:45:12,801 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,801 INFO L185 omatonBuilderFactory]: Interpolants [4115#true, 4116#false, 4117#(<= ULTIMATE.start_main_~k~5 0), 4118#(<= ULTIMATE.start_main_~k~5 1), 4119#(<= ULTIMATE.start_main_~k~5 2), 4120#(<= ULTIMATE.start_main_~k~5 3), 4121#(<= ULTIMATE.start_main_~k~5 4), 4122#(<= ULTIMATE.start_main_~k~5 5), 4123#(<= ULTIMATE.start_main_~k~5 6), 4124#(<= ULTIMATE.start_main_~k~5 7), 4125#(<= ULTIMATE.start_main_~k~5 8), 4126#(<= ULTIMATE.start_main_~k~5 9), 4127#(<= ULTIMATE.start_main_~k~5 10), 4128#(<= ULTIMATE.start_main_~k~5 11), 4129#(<= ULTIMATE.start_main_~k~5 12), 4130#(<= ULTIMATE.start_main_~k~5 13), 4131#(<= ULTIMATE.start_main_~k~5 14), 4132#(<= ULTIMATE.start_main_~k~5 15), 4133#(<= ULTIMATE.start_main_~k~5 16), 4134#(<= ULTIMATE.start_main_~k~5 17), 4135#(<= ULTIMATE.start_main_~k~5 18), 4136#(<= ULTIMATE.start_main_~k~5 19), 4137#(<= ULTIMATE.start_main_~k~5 20), 4138#(<= ULTIMATE.start_main_~k~5 21), 4139#(<= ULTIMATE.start_main_~k~5 22), 4140#(<= ULTIMATE.start_main_~k~5 23), 4141#(<= ULTIMATE.start_main_~k~5 24), 4142#(<= ULTIMATE.start_main_~k~5 25), 4143#(<= ULTIMATE.start_main_~k~5 26), 4144#(<= ULTIMATE.start_main_~k~5 27)] [2018-07-23 13:45:12,802 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 13:45:12,802 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:45:12,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:45:12,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:45:12,804 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 30 states. [2018-07-23 13:45:12,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,838 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:45:12,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:45:12,839 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 58 [2018-07-23 13:45:12,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,839 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:45:12,840 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:45:12,840 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:45:12,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:45:12,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:45:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:45:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:45:12,846 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:45:12,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,847 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:45:12,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:45:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:45:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:45:12,847 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,847 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:45:12,848 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,848 INFO L82 PathProgramCache]: Analyzing trace with hash -488249569, now seen corresponding path program 28 times [2018-07-23 13:45:12,848 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,014 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 13:45:13,015 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,015 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:45:13,015 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,016 INFO L185 omatonBuilderFactory]: Interpolants [4416#(<= ULTIMATE.start_main_~k~5 21), 4417#(<= ULTIMATE.start_main_~k~5 22), 4418#(<= ULTIMATE.start_main_~k~5 23), 4419#(<= ULTIMATE.start_main_~k~5 24), 4420#(<= ULTIMATE.start_main_~k~5 25), 4421#(<= ULTIMATE.start_main_~k~5 26), 4422#(<= ULTIMATE.start_main_~k~5 27), 4423#(<= ULTIMATE.start_main_~k~5 28), 4393#true, 4394#false, 4395#(<= ULTIMATE.start_main_~k~5 0), 4396#(<= ULTIMATE.start_main_~k~5 1), 4397#(<= ULTIMATE.start_main_~k~5 2), 4398#(<= ULTIMATE.start_main_~k~5 3), 4399#(<= ULTIMATE.start_main_~k~5 4), 4400#(<= ULTIMATE.start_main_~k~5 5), 4401#(<= ULTIMATE.start_main_~k~5 6), 4402#(<= ULTIMATE.start_main_~k~5 7), 4403#(<= ULTIMATE.start_main_~k~5 8), 4404#(<= ULTIMATE.start_main_~k~5 9), 4405#(<= ULTIMATE.start_main_~k~5 10), 4406#(<= ULTIMATE.start_main_~k~5 11), 4407#(<= ULTIMATE.start_main_~k~5 12), 4408#(<= ULTIMATE.start_main_~k~5 13), 4409#(<= ULTIMATE.start_main_~k~5 14), 4410#(<= ULTIMATE.start_main_~k~5 15), 4411#(<= ULTIMATE.start_main_~k~5 16), 4412#(<= ULTIMATE.start_main_~k~5 17), 4413#(<= ULTIMATE.start_main_~k~5 18), 4414#(<= ULTIMATE.start_main_~k~5 19), 4415#(<= ULTIMATE.start_main_~k~5 20)] [2018-07-23 13:45:13,017 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 13:45:13,017 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:45:13,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:45:13,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:45:13,018 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 31 states. [2018-07-23 13:45:13,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:13,048 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:45:13,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:45:13,048 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 60 [2018-07-23 13:45:13,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:13,049 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:45:13,049 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:45:13,052 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 13:45:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:45:13,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:45:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:45:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:45:13,056 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:45:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:13,056 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:45:13,057 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:45:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:45:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:45:13,057 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:13,057 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:45:13,058 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:13,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1056348455, now seen corresponding path program 29 times [2018-07-23 13:45:13,058 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,230 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 13:45:13,231 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,231 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:45:13,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,232 INFO L185 omatonBuilderFactory]: Interpolants [4680#true, 4681#false, 4682#(<= ULTIMATE.start_main_~k~5 0), 4683#(<= ULTIMATE.start_main_~k~5 1), 4684#(<= ULTIMATE.start_main_~k~5 2), 4685#(<= ULTIMATE.start_main_~k~5 3), 4686#(<= ULTIMATE.start_main_~k~5 4), 4687#(<= ULTIMATE.start_main_~k~5 5), 4688#(<= ULTIMATE.start_main_~k~5 6), 4689#(<= ULTIMATE.start_main_~k~5 7), 4690#(<= ULTIMATE.start_main_~k~5 8), 4691#(<= ULTIMATE.start_main_~k~5 9), 4692#(<= ULTIMATE.start_main_~k~5 10), 4693#(<= ULTIMATE.start_main_~k~5 11), 4694#(<= ULTIMATE.start_main_~k~5 12), 4695#(<= ULTIMATE.start_main_~k~5 13), 4696#(<= ULTIMATE.start_main_~k~5 14), 4697#(<= ULTIMATE.start_main_~k~5 15), 4698#(<= ULTIMATE.start_main_~k~5 16), 4699#(<= ULTIMATE.start_main_~k~5 17), 4700#(<= ULTIMATE.start_main_~k~5 18), 4701#(<= ULTIMATE.start_main_~k~5 19), 4702#(<= ULTIMATE.start_main_~k~5 20), 4703#(<= ULTIMATE.start_main_~k~5 21), 4704#(<= ULTIMATE.start_main_~k~5 22), 4705#(<= ULTIMATE.start_main_~k~5 23), 4706#(<= ULTIMATE.start_main_~k~5 24), 4707#(<= ULTIMATE.start_main_~k~5 25), 4708#(<= ULTIMATE.start_main_~k~5 26), 4709#(<= ULTIMATE.start_main_~k~5 27), 4710#(<= ULTIMATE.start_main_~k~5 28), 4711#(<= ULTIMATE.start_main_~k~5 29)] [2018-07-23 13:45:13,233 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 13:45:13,233 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:45:13,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:45:13,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:45:13,235 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 32 states. [2018-07-23 13:45:13,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:13,280 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:45:13,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:45:13,281 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2018-07-23 13:45:13,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:13,282 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:45:13,282 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:45:13,283 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:45:13,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:45:13,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:45:13,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:45:13,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:45:13,288 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:45:13,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:13,288 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:45:13,288 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:45:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:45:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:45:13,289 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:13,290 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:45:13,290 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:13,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1538531309, now seen corresponding path program 30 times [2018-07-23 13:45:13,290 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,467 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 13:45:13,468 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,468 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:45:13,468 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,469 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= ULTIMATE.start_main_~k~5 14), 4993#(<= ULTIMATE.start_main_~k~5 15), 4994#(<= ULTIMATE.start_main_~k~5 16), 4995#(<= ULTIMATE.start_main_~k~5 17), 4996#(<= ULTIMATE.start_main_~k~5 18), 4997#(<= ULTIMATE.start_main_~k~5 19), 4998#(<= ULTIMATE.start_main_~k~5 20), 4999#(<= ULTIMATE.start_main_~k~5 21), 5000#(<= ULTIMATE.start_main_~k~5 22), 5001#(<= ULTIMATE.start_main_~k~5 23), 5002#(<= ULTIMATE.start_main_~k~5 24), 5003#(<= ULTIMATE.start_main_~k~5 25), 5004#(<= ULTIMATE.start_main_~k~5 26), 5005#(<= ULTIMATE.start_main_~k~5 27), 5006#(<= ULTIMATE.start_main_~k~5 28), 5007#(<= ULTIMATE.start_main_~k~5 29), 5008#(<= ULTIMATE.start_main_~k~5 30), 4976#true, 4977#false, 4978#(<= ULTIMATE.start_main_~k~5 0), 4979#(<= ULTIMATE.start_main_~k~5 1), 4980#(<= ULTIMATE.start_main_~k~5 2), 4981#(<= ULTIMATE.start_main_~k~5 3), 4982#(<= ULTIMATE.start_main_~k~5 4), 4983#(<= ULTIMATE.start_main_~k~5 5), 4984#(<= ULTIMATE.start_main_~k~5 6), 4985#(<= ULTIMATE.start_main_~k~5 7), 4986#(<= ULTIMATE.start_main_~k~5 8), 4987#(<= ULTIMATE.start_main_~k~5 9), 4988#(<= ULTIMATE.start_main_~k~5 10), 4989#(<= ULTIMATE.start_main_~k~5 11), 4990#(<= ULTIMATE.start_main_~k~5 12), 4991#(<= ULTIMATE.start_main_~k~5 13)] [2018-07-23 13:45:13,470 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 13:45:13,470 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:45:13,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:45:13,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:45:13,471 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 33 states. [2018-07-23 13:45:13,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:13,500 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:45:13,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:45:13,500 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 64 [2018-07-23 13:45:13,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:13,501 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:45:13,501 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:45:13,502 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 13:45:13,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:45:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:45:13,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:45:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:45:13,506 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:45:13,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:13,506 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:45:13,506 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:45:13,506 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:45:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:45:13,507 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:13,507 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:45:13,507 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:13,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1059786035, now seen corresponding path program 31 times [2018-07-23 13:45:13,507 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,685 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 13:45:13,686 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,686 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:45:13,686 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,687 INFO L185 omatonBuilderFactory]: Interpolants [5312#(<= ULTIMATE.start_main_~k~5 29), 5313#(<= ULTIMATE.start_main_~k~5 30), 5314#(<= ULTIMATE.start_main_~k~5 31), 5281#true, 5282#false, 5283#(<= ULTIMATE.start_main_~k~5 0), 5284#(<= ULTIMATE.start_main_~k~5 1), 5285#(<= ULTIMATE.start_main_~k~5 2), 5286#(<= ULTIMATE.start_main_~k~5 3), 5287#(<= ULTIMATE.start_main_~k~5 4), 5288#(<= ULTIMATE.start_main_~k~5 5), 5289#(<= ULTIMATE.start_main_~k~5 6), 5290#(<= ULTIMATE.start_main_~k~5 7), 5291#(<= ULTIMATE.start_main_~k~5 8), 5292#(<= ULTIMATE.start_main_~k~5 9), 5293#(<= ULTIMATE.start_main_~k~5 10), 5294#(<= ULTIMATE.start_main_~k~5 11), 5295#(<= ULTIMATE.start_main_~k~5 12), 5296#(<= ULTIMATE.start_main_~k~5 13), 5297#(<= ULTIMATE.start_main_~k~5 14), 5298#(<= ULTIMATE.start_main_~k~5 15), 5299#(<= ULTIMATE.start_main_~k~5 16), 5300#(<= ULTIMATE.start_main_~k~5 17), 5301#(<= ULTIMATE.start_main_~k~5 18), 5302#(<= ULTIMATE.start_main_~k~5 19), 5303#(<= ULTIMATE.start_main_~k~5 20), 5304#(<= ULTIMATE.start_main_~k~5 21), 5305#(<= ULTIMATE.start_main_~k~5 22), 5306#(<= ULTIMATE.start_main_~k~5 23), 5307#(<= ULTIMATE.start_main_~k~5 24), 5308#(<= ULTIMATE.start_main_~k~5 25), 5309#(<= ULTIMATE.start_main_~k~5 26), 5310#(<= ULTIMATE.start_main_~k~5 27), 5311#(<= ULTIMATE.start_main_~k~5 28)] [2018-07-23 13:45:13,688 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 13:45:13,688 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:45:13,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:45:13,689 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:45:13,689 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 34 states. [2018-07-23 13:45:13,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:13,747 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:45:13,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:45:13,748 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 66 [2018-07-23 13:45:13,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:13,749 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:45:13,749 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:45:13,750 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:45:13,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:45:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:45:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:45:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:45:13,754 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:45:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:13,755 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:45:13,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:45:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:45:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:45:13,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:13,756 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:45:13,756 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:13,756 INFO L82 PathProgramCache]: Analyzing trace with hash -547078393, now seen corresponding path program 32 times [2018-07-23 13:45:13,757 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:13,958 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 13:45:13,958 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:13,959 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:45:13,959 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:13,959 INFO L185 omatonBuilderFactory]: Interpolants [5595#true, 5596#false, 5597#(<= ULTIMATE.start_main_~k~5 0), 5598#(<= ULTIMATE.start_main_~k~5 1), 5599#(<= ULTIMATE.start_main_~k~5 2), 5600#(<= ULTIMATE.start_main_~k~5 3), 5601#(<= ULTIMATE.start_main_~k~5 4), 5602#(<= ULTIMATE.start_main_~k~5 5), 5603#(<= ULTIMATE.start_main_~k~5 6), 5604#(<= ULTIMATE.start_main_~k~5 7), 5605#(<= ULTIMATE.start_main_~k~5 8), 5606#(<= ULTIMATE.start_main_~k~5 9), 5607#(<= ULTIMATE.start_main_~k~5 10), 5608#(<= ULTIMATE.start_main_~k~5 11), 5609#(<= ULTIMATE.start_main_~k~5 12), 5610#(<= ULTIMATE.start_main_~k~5 13), 5611#(<= ULTIMATE.start_main_~k~5 14), 5612#(<= ULTIMATE.start_main_~k~5 15), 5613#(<= ULTIMATE.start_main_~k~5 16), 5614#(<= ULTIMATE.start_main_~k~5 17), 5615#(<= ULTIMATE.start_main_~k~5 18), 5616#(<= ULTIMATE.start_main_~k~5 19), 5617#(<= ULTIMATE.start_main_~k~5 20), 5618#(<= ULTIMATE.start_main_~k~5 21), 5619#(<= ULTIMATE.start_main_~k~5 22), 5620#(<= ULTIMATE.start_main_~k~5 23), 5621#(<= ULTIMATE.start_main_~k~5 24), 5622#(<= ULTIMATE.start_main_~k~5 25), 5623#(<= ULTIMATE.start_main_~k~5 26), 5624#(<= ULTIMATE.start_main_~k~5 27), 5625#(<= ULTIMATE.start_main_~k~5 28), 5626#(<= ULTIMATE.start_main_~k~5 29), 5627#(<= ULTIMATE.start_main_~k~5 30), 5628#(<= ULTIMATE.start_main_~k~5 31), 5629#(<= ULTIMATE.start_main_~k~5 32)] [2018-07-23 13:45:13,962 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 13:45:13,962 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:45:13,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:45:13,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:45:13,965 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 35 states. [2018-07-23 13:45:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,007 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:45:14,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:45:14,008 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 68 [2018-07-23 13:45:14,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,008 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:45:14,009 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:45:14,010 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:45:14,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:45:14,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:45:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:45:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:45:14,014 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:45:14,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:14,014 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:45:14,014 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:45:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:45:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:45:14,015 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:14,015 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:45:14,016 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:14,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1756273471, now seen corresponding path program 33 times [2018-07-23 13:45:14,016 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,198 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 13:45:14,198 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,198 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:45:14,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,199 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= ULTIMATE.start_main_~k~5 32), 5953#(<= ULTIMATE.start_main_~k~5 33), 5918#true, 5919#false, 5920#(<= ULTIMATE.start_main_~k~5 0), 5921#(<= ULTIMATE.start_main_~k~5 1), 5922#(<= ULTIMATE.start_main_~k~5 2), 5923#(<= ULTIMATE.start_main_~k~5 3), 5924#(<= ULTIMATE.start_main_~k~5 4), 5925#(<= ULTIMATE.start_main_~k~5 5), 5926#(<= ULTIMATE.start_main_~k~5 6), 5927#(<= ULTIMATE.start_main_~k~5 7), 5928#(<= ULTIMATE.start_main_~k~5 8), 5929#(<= ULTIMATE.start_main_~k~5 9), 5930#(<= ULTIMATE.start_main_~k~5 10), 5931#(<= ULTIMATE.start_main_~k~5 11), 5932#(<= ULTIMATE.start_main_~k~5 12), 5933#(<= ULTIMATE.start_main_~k~5 13), 5934#(<= ULTIMATE.start_main_~k~5 14), 5935#(<= ULTIMATE.start_main_~k~5 15), 5936#(<= ULTIMATE.start_main_~k~5 16), 5937#(<= ULTIMATE.start_main_~k~5 17), 5938#(<= ULTIMATE.start_main_~k~5 18), 5939#(<= ULTIMATE.start_main_~k~5 19), 5940#(<= ULTIMATE.start_main_~k~5 20), 5941#(<= ULTIMATE.start_main_~k~5 21), 5942#(<= ULTIMATE.start_main_~k~5 22), 5943#(<= ULTIMATE.start_main_~k~5 23), 5944#(<= ULTIMATE.start_main_~k~5 24), 5945#(<= ULTIMATE.start_main_~k~5 25), 5946#(<= ULTIMATE.start_main_~k~5 26), 5947#(<= ULTIMATE.start_main_~k~5 27), 5948#(<= ULTIMATE.start_main_~k~5 28), 5949#(<= ULTIMATE.start_main_~k~5 29), 5950#(<= ULTIMATE.start_main_~k~5 30), 5951#(<= ULTIMATE.start_main_~k~5 31)] [2018-07-23 13:45:14,200 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 13:45:14,201 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:45:14,201 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:45:14,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:45:14,202 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 36 states. [2018-07-23 13:45:14,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,226 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:45:14,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:45:14,226 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 70 [2018-07-23 13:45:14,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,227 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:45:14,227 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:45:14,228 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 13:45:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:45:14,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:45:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:45:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:45:14,232 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:45:14,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:14,232 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:45:14,232 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:45:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:45:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:45:14,233 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:14,233 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:45:14,233 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:14,233 INFO L82 PathProgramCache]: Analyzing trace with hash 143393787, now seen corresponding path program 34 times [2018-07-23 13:45:14,233 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,414 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 13:45:14,414 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,414 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:45:14,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,415 INFO L185 omatonBuilderFactory]: Interpolants [6272#(<= ULTIMATE.start_main_~k~5 20), 6273#(<= ULTIMATE.start_main_~k~5 21), 6274#(<= ULTIMATE.start_main_~k~5 22), 6275#(<= ULTIMATE.start_main_~k~5 23), 6276#(<= ULTIMATE.start_main_~k~5 24), 6277#(<= ULTIMATE.start_main_~k~5 25), 6278#(<= ULTIMATE.start_main_~k~5 26), 6279#(<= ULTIMATE.start_main_~k~5 27), 6280#(<= ULTIMATE.start_main_~k~5 28), 6281#(<= ULTIMATE.start_main_~k~5 29), 6282#(<= ULTIMATE.start_main_~k~5 30), 6283#(<= ULTIMATE.start_main_~k~5 31), 6284#(<= ULTIMATE.start_main_~k~5 32), 6285#(<= ULTIMATE.start_main_~k~5 33), 6286#(<= ULTIMATE.start_main_~k~5 34), 6250#true, 6251#false, 6252#(<= ULTIMATE.start_main_~k~5 0), 6253#(<= ULTIMATE.start_main_~k~5 1), 6254#(<= ULTIMATE.start_main_~k~5 2), 6255#(<= ULTIMATE.start_main_~k~5 3), 6256#(<= ULTIMATE.start_main_~k~5 4), 6257#(<= ULTIMATE.start_main_~k~5 5), 6258#(<= ULTIMATE.start_main_~k~5 6), 6259#(<= ULTIMATE.start_main_~k~5 7), 6260#(<= ULTIMATE.start_main_~k~5 8), 6261#(<= ULTIMATE.start_main_~k~5 9), 6262#(<= ULTIMATE.start_main_~k~5 10), 6263#(<= ULTIMATE.start_main_~k~5 11), 6264#(<= ULTIMATE.start_main_~k~5 12), 6265#(<= ULTIMATE.start_main_~k~5 13), 6266#(<= ULTIMATE.start_main_~k~5 14), 6267#(<= ULTIMATE.start_main_~k~5 15), 6268#(<= ULTIMATE.start_main_~k~5 16), 6269#(<= ULTIMATE.start_main_~k~5 17), 6270#(<= ULTIMATE.start_main_~k~5 18), 6271#(<= ULTIMATE.start_main_~k~5 19)] [2018-07-23 13:45:14,415 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 13:45:14,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:45:14,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:45:14,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:45:14,418 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 37 states. [2018-07-23 13:45:14,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,446 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:45:14,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:45:14,446 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2018-07-23 13:45:14,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,447 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:45:14,447 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:45:14,448 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 13:45:14,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:45:14,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:45:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:45:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:45:14,451 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:45:14,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:14,452 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:45:14,452 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:45:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:45:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:45:14,453 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:14,453 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:45:14,453 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:14,453 INFO L82 PathProgramCache]: Analyzing trace with hash 362527925, now seen corresponding path program 35 times [2018-07-23 13:45:14,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,646 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 13:45:14,646 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,646 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:45:14,647 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,647 INFO L185 omatonBuilderFactory]: Interpolants [6592#false, 6593#(<= ULTIMATE.start_main_~k~5 0), 6594#(<= ULTIMATE.start_main_~k~5 1), 6595#(<= ULTIMATE.start_main_~k~5 2), 6596#(<= ULTIMATE.start_main_~k~5 3), 6597#(<= ULTIMATE.start_main_~k~5 4), 6598#(<= ULTIMATE.start_main_~k~5 5), 6599#(<= ULTIMATE.start_main_~k~5 6), 6600#(<= ULTIMATE.start_main_~k~5 7), 6601#(<= ULTIMATE.start_main_~k~5 8), 6602#(<= ULTIMATE.start_main_~k~5 9), 6603#(<= ULTIMATE.start_main_~k~5 10), 6604#(<= ULTIMATE.start_main_~k~5 11), 6605#(<= ULTIMATE.start_main_~k~5 12), 6606#(<= ULTIMATE.start_main_~k~5 13), 6607#(<= ULTIMATE.start_main_~k~5 14), 6608#(<= ULTIMATE.start_main_~k~5 15), 6609#(<= ULTIMATE.start_main_~k~5 16), 6610#(<= ULTIMATE.start_main_~k~5 17), 6611#(<= ULTIMATE.start_main_~k~5 18), 6612#(<= ULTIMATE.start_main_~k~5 19), 6613#(<= ULTIMATE.start_main_~k~5 20), 6614#(<= ULTIMATE.start_main_~k~5 21), 6615#(<= ULTIMATE.start_main_~k~5 22), 6616#(<= ULTIMATE.start_main_~k~5 23), 6617#(<= ULTIMATE.start_main_~k~5 24), 6618#(<= ULTIMATE.start_main_~k~5 25), 6619#(<= ULTIMATE.start_main_~k~5 26), 6620#(<= ULTIMATE.start_main_~k~5 27), 6621#(<= ULTIMATE.start_main_~k~5 28), 6622#(<= ULTIMATE.start_main_~k~5 29), 6623#(<= ULTIMATE.start_main_~k~5 30), 6624#(<= ULTIMATE.start_main_~k~5 31), 6625#(<= ULTIMATE.start_main_~k~5 32), 6626#(<= ULTIMATE.start_main_~k~5 33), 6627#(<= ULTIMATE.start_main_~k~5 34), 6628#(<= ULTIMATE.start_main_~k~5 35), 6591#true] [2018-07-23 13:45:14,650 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 13:45:14,651 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:45:14,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:45:14,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:45:14,652 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 38 states. [2018-07-23 13:45:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,686 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:45:14,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:45:14,686 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 74 [2018-07-23 13:45:14,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,687 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:45:14,687 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:45:14,688 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 13:45:14,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:45:14,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:45:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:45:14,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:45:14,691 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:45:14,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:14,692 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:45:14,692 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:45:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:45:14,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:45:14,693 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:14,693 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:45:14,693 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:14,693 INFO L82 PathProgramCache]: Analyzing trace with hash 497037039, now seen corresponding path program 36 times [2018-07-23 13:45:14,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,880 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 13:45:14,880 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:45:14,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,881 INFO L185 omatonBuilderFactory]: Interpolants [6976#(<= ULTIMATE.start_main_~k~5 33), 6977#(<= ULTIMATE.start_main_~k~5 34), 6978#(<= ULTIMATE.start_main_~k~5 35), 6979#(<= ULTIMATE.start_main_~k~5 36), 6941#true, 6942#false, 6943#(<= ULTIMATE.start_main_~k~5 0), 6944#(<= ULTIMATE.start_main_~k~5 1), 6945#(<= ULTIMATE.start_main_~k~5 2), 6946#(<= ULTIMATE.start_main_~k~5 3), 6947#(<= ULTIMATE.start_main_~k~5 4), 6948#(<= ULTIMATE.start_main_~k~5 5), 6949#(<= ULTIMATE.start_main_~k~5 6), 6950#(<= ULTIMATE.start_main_~k~5 7), 6951#(<= ULTIMATE.start_main_~k~5 8), 6952#(<= ULTIMATE.start_main_~k~5 9), 6953#(<= ULTIMATE.start_main_~k~5 10), 6954#(<= ULTIMATE.start_main_~k~5 11), 6955#(<= ULTIMATE.start_main_~k~5 12), 6956#(<= ULTIMATE.start_main_~k~5 13), 6957#(<= ULTIMATE.start_main_~k~5 14), 6958#(<= ULTIMATE.start_main_~k~5 15), 6959#(<= ULTIMATE.start_main_~k~5 16), 6960#(<= ULTIMATE.start_main_~k~5 17), 6961#(<= ULTIMATE.start_main_~k~5 18), 6962#(<= ULTIMATE.start_main_~k~5 19), 6963#(<= ULTIMATE.start_main_~k~5 20), 6964#(<= ULTIMATE.start_main_~k~5 21), 6965#(<= ULTIMATE.start_main_~k~5 22), 6966#(<= ULTIMATE.start_main_~k~5 23), 6967#(<= ULTIMATE.start_main_~k~5 24), 6968#(<= ULTIMATE.start_main_~k~5 25), 6969#(<= ULTIMATE.start_main_~k~5 26), 6970#(<= ULTIMATE.start_main_~k~5 27), 6971#(<= ULTIMATE.start_main_~k~5 28), 6972#(<= ULTIMATE.start_main_~k~5 29), 6973#(<= ULTIMATE.start_main_~k~5 30), 6974#(<= ULTIMATE.start_main_~k~5 31), 6975#(<= ULTIMATE.start_main_~k~5 32)] [2018-07-23 13:45:14,882 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 13:45:14,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:45:14,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:45:14,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:45:14,884 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 39 states. [2018-07-23 13:45:14,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:14,914 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:45:14,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:45:14,915 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 76 [2018-07-23 13:45:14,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:14,916 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:45:14,916 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:45:14,917 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:45:14,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:45:14,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:45:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:45:14,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:45:14,920 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:45:14,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:14,921 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:45:14,921 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:45:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:45:14,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:45:14,923 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:14,923 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:45:14,924 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:14,924 INFO L82 PathProgramCache]: Analyzing trace with hash 911276713, now seen corresponding path program 37 times [2018-07-23 13:45:14,924 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:15,136 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 13:45:15,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:15,137 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:45:15,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:15,138 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 13:45:15,138 INFO L185 omatonBuilderFactory]: Interpolants [7300#true, 7301#false, 7302#(<= ULTIMATE.start_main_~k~5 0), 7303#(<= ULTIMATE.start_main_~k~5 1), 7304#(<= ULTIMATE.start_main_~k~5 2), 7305#(<= ULTIMATE.start_main_~k~5 3), 7306#(<= ULTIMATE.start_main_~k~5 4), 7307#(<= ULTIMATE.start_main_~k~5 5), 7308#(<= ULTIMATE.start_main_~k~5 6), 7309#(<= ULTIMATE.start_main_~k~5 7), 7310#(<= ULTIMATE.start_main_~k~5 8), 7311#(<= ULTIMATE.start_main_~k~5 9), 7312#(<= ULTIMATE.start_main_~k~5 10), 7313#(<= ULTIMATE.start_main_~k~5 11), 7314#(<= ULTIMATE.start_main_~k~5 12), 7315#(<= ULTIMATE.start_main_~k~5 13), 7316#(<= ULTIMATE.start_main_~k~5 14), 7317#(<= ULTIMATE.start_main_~k~5 15), 7318#(<= ULTIMATE.start_main_~k~5 16), 7319#(<= ULTIMATE.start_main_~k~5 17), 7320#(<= ULTIMATE.start_main_~k~5 18), 7321#(<= ULTIMATE.start_main_~k~5 19), 7322#(<= ULTIMATE.start_main_~k~5 20), 7323#(<= ULTIMATE.start_main_~k~5 21), 7324#(<= ULTIMATE.start_main_~k~5 22), 7325#(<= ULTIMATE.start_main_~k~5 23), 7326#(<= ULTIMATE.start_main_~k~5 24), 7327#(<= ULTIMATE.start_main_~k~5 25), 7328#(<= ULTIMATE.start_main_~k~5 26), 7329#(<= ULTIMATE.start_main_~k~5 27), 7330#(<= ULTIMATE.start_main_~k~5 28), 7331#(<= ULTIMATE.start_main_~k~5 29), 7332#(<= ULTIMATE.start_main_~k~5 30), 7333#(<= ULTIMATE.start_main_~k~5 31), 7334#(<= ULTIMATE.start_main_~k~5 32), 7335#(<= ULTIMATE.start_main_~k~5 33), 7336#(<= ULTIMATE.start_main_~k~5 34), 7337#(<= ULTIMATE.start_main_~k~5 35), 7338#(<= ULTIMATE.start_main_~k~5 36), 7339#(<= ULTIMATE.start_main_~k~5 37)] [2018-07-23 13:45:15,139 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 13:45:15,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:45:15,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:45:15,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:45:15,141 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 40 states. [2018-07-23 13:45:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:15,182 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:45:15,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:45:15,183 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 78 [2018-07-23 13:45:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:15,184 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:45:15,184 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:45:15,185 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 13:45:15,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:45:15,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:45:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:45:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:45:15,192 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:45:15,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,192 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:45:15,192 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:45:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:45:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:45:15,193 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,194 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:45:15,194 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,194 INFO L82 PathProgramCache]: Analyzing trace with hash -436355101, now seen corresponding path program 38 times [2018-07-23 13:45:15,194 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:15,439 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 13:45:15,439 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:15,439 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:45:15,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,440 INFO L185 omatonBuilderFactory]: Interpolants [7680#(<= ULTIMATE.start_main_~k~5 10), 7681#(<= ULTIMATE.start_main_~k~5 11), 7682#(<= ULTIMATE.start_main_~k~5 12), 7683#(<= ULTIMATE.start_main_~k~5 13), 7684#(<= ULTIMATE.start_main_~k~5 14), 7685#(<= ULTIMATE.start_main_~k~5 15), 7686#(<= ULTIMATE.start_main_~k~5 16), 7687#(<= ULTIMATE.start_main_~k~5 17), 7688#(<= ULTIMATE.start_main_~k~5 18), 7689#(<= ULTIMATE.start_main_~k~5 19), 7690#(<= ULTIMATE.start_main_~k~5 20), 7691#(<= ULTIMATE.start_main_~k~5 21), 7692#(<= ULTIMATE.start_main_~k~5 22), 7693#(<= ULTIMATE.start_main_~k~5 23), 7694#(<= ULTIMATE.start_main_~k~5 24), 7695#(<= ULTIMATE.start_main_~k~5 25), 7696#(<= ULTIMATE.start_main_~k~5 26), 7697#(<= ULTIMATE.start_main_~k~5 27), 7698#(<= ULTIMATE.start_main_~k~5 28), 7699#(<= ULTIMATE.start_main_~k~5 29), 7700#(<= ULTIMATE.start_main_~k~5 30), 7701#(<= ULTIMATE.start_main_~k~5 31), 7702#(<= ULTIMATE.start_main_~k~5 32), 7703#(<= ULTIMATE.start_main_~k~5 33), 7704#(<= ULTIMATE.start_main_~k~5 34), 7705#(<= ULTIMATE.start_main_~k~5 35), 7706#(<= ULTIMATE.start_main_~k~5 36), 7707#(<= ULTIMATE.start_main_~k~5 37), 7708#(<= ULTIMATE.start_main_~k~5 38), 7668#true, 7669#false, 7670#(<= ULTIMATE.start_main_~k~5 0), 7671#(<= ULTIMATE.start_main_~k~5 1), 7672#(<= ULTIMATE.start_main_~k~5 2), 7673#(<= ULTIMATE.start_main_~k~5 3), 7674#(<= ULTIMATE.start_main_~k~5 4), 7675#(<= ULTIMATE.start_main_~k~5 5), 7676#(<= ULTIMATE.start_main_~k~5 6), 7677#(<= ULTIMATE.start_main_~k~5 7), 7678#(<= ULTIMATE.start_main_~k~5 8), 7679#(<= ULTIMATE.start_main_~k~5 9)] [2018-07-23 13:45:15,441 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 13:45:15,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:45:15,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:45:15,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:45:15,443 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 41 states. [2018-07-23 13:45:15,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:15,481 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:45:15,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:45:15,481 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2018-07-23 13:45:15,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:15,482 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:45:15,482 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:45:15,483 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 13:45:15,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:45:15,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:45:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:45:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:45:15,522 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:45:15,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,522 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:45:15,522 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:45:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:45:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:45:15,523 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,523 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:45:15,523 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1569595037, now seen corresponding path program 39 times [2018-07-23 13:45:15,531 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:15,766 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 13:45:15,766 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:15,766 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:45:15,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:15,767 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= ULTIMATE.start_main_~k~5 17), 8065#(<= ULTIMATE.start_main_~k~5 18), 8066#(<= ULTIMATE.start_main_~k~5 19), 8067#(<= ULTIMATE.start_main_~k~5 20), 8068#(<= ULTIMATE.start_main_~k~5 21), 8069#(<= ULTIMATE.start_main_~k~5 22), 8070#(<= ULTIMATE.start_main_~k~5 23), 8071#(<= ULTIMATE.start_main_~k~5 24), 8072#(<= ULTIMATE.start_main_~k~5 25), 8073#(<= ULTIMATE.start_main_~k~5 26), 8074#(<= ULTIMATE.start_main_~k~5 27), 8075#(<= ULTIMATE.start_main_~k~5 28), 8076#(<= ULTIMATE.start_main_~k~5 29), 8077#(<= ULTIMATE.start_main_~k~5 30), 8078#(<= ULTIMATE.start_main_~k~5 31), 8079#(<= ULTIMATE.start_main_~k~5 32), 8080#(<= ULTIMATE.start_main_~k~5 33), 8081#(<= ULTIMATE.start_main_~k~5 34), 8082#(<= ULTIMATE.start_main_~k~5 35), 8083#(<= ULTIMATE.start_main_~k~5 36), 8084#(<= ULTIMATE.start_main_~k~5 37), 8085#(<= ULTIMATE.start_main_~k~5 38), 8086#(<= ULTIMATE.start_main_~k~5 39), 8045#true, 8046#false, 8047#(<= ULTIMATE.start_main_~k~5 0), 8048#(<= ULTIMATE.start_main_~k~5 1), 8049#(<= ULTIMATE.start_main_~k~5 2), 8050#(<= ULTIMATE.start_main_~k~5 3), 8051#(<= ULTIMATE.start_main_~k~5 4), 8052#(<= ULTIMATE.start_main_~k~5 5), 8053#(<= ULTIMATE.start_main_~k~5 6), 8054#(<= ULTIMATE.start_main_~k~5 7), 8055#(<= ULTIMATE.start_main_~k~5 8), 8056#(<= ULTIMATE.start_main_~k~5 9), 8057#(<= ULTIMATE.start_main_~k~5 10), 8058#(<= ULTIMATE.start_main_~k~5 11), 8059#(<= ULTIMATE.start_main_~k~5 12), 8060#(<= ULTIMATE.start_main_~k~5 13), 8061#(<= ULTIMATE.start_main_~k~5 14), 8062#(<= ULTIMATE.start_main_~k~5 15), 8063#(<= ULTIMATE.start_main_~k~5 16)] [2018-07-23 13:45:15,768 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 13:45:15,768 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:45:15,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:45:15,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:45:15,769 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 42 states. [2018-07-23 13:45:15,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:15,801 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:45:15,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:45:15,802 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 82 [2018-07-23 13:45:15,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:15,803 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:45:15,803 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:45:15,804 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 13:45:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:45:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:45:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:45:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:45:15,808 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:45:15,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,808 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:45:15,809 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:45:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:45:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:45:15,809 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,810 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:45:15,810 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,810 INFO L82 PathProgramCache]: Analyzing trace with hash 847361751, now seen corresponding path program 40 times [2018-07-23 13:45:15,810 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:16,031 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 13:45:16,031 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:16,032 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:45:16,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,032 INFO L185 omatonBuilderFactory]: Interpolants [8448#(<= ULTIMATE.start_main_~k~5 15), 8449#(<= ULTIMATE.start_main_~k~5 16), 8450#(<= ULTIMATE.start_main_~k~5 17), 8451#(<= ULTIMATE.start_main_~k~5 18), 8452#(<= ULTIMATE.start_main_~k~5 19), 8453#(<= ULTIMATE.start_main_~k~5 20), 8454#(<= ULTIMATE.start_main_~k~5 21), 8455#(<= ULTIMATE.start_main_~k~5 22), 8456#(<= ULTIMATE.start_main_~k~5 23), 8457#(<= ULTIMATE.start_main_~k~5 24), 8458#(<= ULTIMATE.start_main_~k~5 25), 8459#(<= ULTIMATE.start_main_~k~5 26), 8460#(<= ULTIMATE.start_main_~k~5 27), 8461#(<= ULTIMATE.start_main_~k~5 28), 8462#(<= ULTIMATE.start_main_~k~5 29), 8463#(<= ULTIMATE.start_main_~k~5 30), 8464#(<= ULTIMATE.start_main_~k~5 31), 8465#(<= ULTIMATE.start_main_~k~5 32), 8466#(<= ULTIMATE.start_main_~k~5 33), 8467#(<= ULTIMATE.start_main_~k~5 34), 8468#(<= ULTIMATE.start_main_~k~5 35), 8469#(<= ULTIMATE.start_main_~k~5 36), 8470#(<= ULTIMATE.start_main_~k~5 37), 8471#(<= ULTIMATE.start_main_~k~5 38), 8472#(<= ULTIMATE.start_main_~k~5 39), 8473#(<= ULTIMATE.start_main_~k~5 40), 8431#true, 8432#false, 8433#(<= ULTIMATE.start_main_~k~5 0), 8434#(<= ULTIMATE.start_main_~k~5 1), 8435#(<= ULTIMATE.start_main_~k~5 2), 8436#(<= ULTIMATE.start_main_~k~5 3), 8437#(<= ULTIMATE.start_main_~k~5 4), 8438#(<= ULTIMATE.start_main_~k~5 5), 8439#(<= ULTIMATE.start_main_~k~5 6), 8440#(<= ULTIMATE.start_main_~k~5 7), 8441#(<= ULTIMATE.start_main_~k~5 8), 8442#(<= ULTIMATE.start_main_~k~5 9), 8443#(<= ULTIMATE.start_main_~k~5 10), 8444#(<= ULTIMATE.start_main_~k~5 11), 8445#(<= ULTIMATE.start_main_~k~5 12), 8446#(<= ULTIMATE.start_main_~k~5 13), 8447#(<= ULTIMATE.start_main_~k~5 14)] [2018-07-23 13:45:16,033 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 13:45:16,033 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:45:16,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:45:16,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:45:16,035 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 43 states. [2018-07-23 13:45:16,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:16,068 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:45:16,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:45:16,069 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 84 [2018-07-23 13:45:16,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:16,069 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:45:16,070 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:45:16,071 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 13:45:16,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:45:16,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:45:16,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:45:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:45:16,075 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:45:16,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:16,075 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:45:16,075 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:45:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:45:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:45:16,076 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:16,076 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:45:16,076 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:16,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1729091439, now seen corresponding path program 41 times [2018-07-23 13:45:16,077 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:16,300 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 13:45:16,300 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:16,301 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:45:16,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,302 INFO L185 omatonBuilderFactory]: Interpolants [8832#(<= ULTIMATE.start_main_~k~5 4), 8833#(<= ULTIMATE.start_main_~k~5 5), 8834#(<= ULTIMATE.start_main_~k~5 6), 8835#(<= ULTIMATE.start_main_~k~5 7), 8836#(<= ULTIMATE.start_main_~k~5 8), 8837#(<= ULTIMATE.start_main_~k~5 9), 8838#(<= ULTIMATE.start_main_~k~5 10), 8839#(<= ULTIMATE.start_main_~k~5 11), 8840#(<= ULTIMATE.start_main_~k~5 12), 8841#(<= ULTIMATE.start_main_~k~5 13), 8842#(<= ULTIMATE.start_main_~k~5 14), 8843#(<= ULTIMATE.start_main_~k~5 15), 8844#(<= ULTIMATE.start_main_~k~5 16), 8845#(<= ULTIMATE.start_main_~k~5 17), 8846#(<= ULTIMATE.start_main_~k~5 18), 8847#(<= ULTIMATE.start_main_~k~5 19), 8848#(<= ULTIMATE.start_main_~k~5 20), 8849#(<= ULTIMATE.start_main_~k~5 21), 8850#(<= ULTIMATE.start_main_~k~5 22), 8851#(<= ULTIMATE.start_main_~k~5 23), 8852#(<= ULTIMATE.start_main_~k~5 24), 8853#(<= ULTIMATE.start_main_~k~5 25), 8854#(<= ULTIMATE.start_main_~k~5 26), 8855#(<= ULTIMATE.start_main_~k~5 27), 8856#(<= ULTIMATE.start_main_~k~5 28), 8857#(<= ULTIMATE.start_main_~k~5 29), 8858#(<= ULTIMATE.start_main_~k~5 30), 8859#(<= ULTIMATE.start_main_~k~5 31), 8860#(<= ULTIMATE.start_main_~k~5 32), 8861#(<= ULTIMATE.start_main_~k~5 33), 8862#(<= ULTIMATE.start_main_~k~5 34), 8863#(<= ULTIMATE.start_main_~k~5 35), 8864#(<= ULTIMATE.start_main_~k~5 36), 8865#(<= ULTIMATE.start_main_~k~5 37), 8866#(<= ULTIMATE.start_main_~k~5 38), 8867#(<= ULTIMATE.start_main_~k~5 39), 8868#(<= ULTIMATE.start_main_~k~5 40), 8869#(<= ULTIMATE.start_main_~k~5 41), 8826#true, 8827#false, 8828#(<= ULTIMATE.start_main_~k~5 0), 8829#(<= ULTIMATE.start_main_~k~5 1), 8830#(<= ULTIMATE.start_main_~k~5 2), 8831#(<= ULTIMATE.start_main_~k~5 3)] [2018-07-23 13:45:16,302 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 13:45:16,302 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:45:16,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:45:16,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:45:16,304 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 44 states. [2018-07-23 13:45:16,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:16,347 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:45:16,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:45:16,347 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 86 [2018-07-23 13:45:16,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:16,348 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:45:16,348 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:45:16,350 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 13:45:16,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:45:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:45:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:45:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:45:16,354 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:45:16,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:16,354 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:45:16,354 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:45:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:45:16,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:45:16,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:16,356 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:45:16,356 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:16,356 INFO L82 PathProgramCache]: Analyzing trace with hash 495522763, now seen corresponding path program 42 times [2018-07-23 13:45:16,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:16,579 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 13:45:16,580 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:16,580 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:45:16,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,581 INFO L185 omatonBuilderFactory]: Interpolants [9230#true, 9231#false, 9232#(<= ULTIMATE.start_main_~k~5 0), 9233#(<= ULTIMATE.start_main_~k~5 1), 9234#(<= ULTIMATE.start_main_~k~5 2), 9235#(<= ULTIMATE.start_main_~k~5 3), 9236#(<= ULTIMATE.start_main_~k~5 4), 9237#(<= ULTIMATE.start_main_~k~5 5), 9238#(<= ULTIMATE.start_main_~k~5 6), 9239#(<= ULTIMATE.start_main_~k~5 7), 9240#(<= ULTIMATE.start_main_~k~5 8), 9241#(<= ULTIMATE.start_main_~k~5 9), 9242#(<= ULTIMATE.start_main_~k~5 10), 9243#(<= ULTIMATE.start_main_~k~5 11), 9244#(<= ULTIMATE.start_main_~k~5 12), 9245#(<= ULTIMATE.start_main_~k~5 13), 9246#(<= ULTIMATE.start_main_~k~5 14), 9247#(<= ULTIMATE.start_main_~k~5 15), 9248#(<= ULTIMATE.start_main_~k~5 16), 9249#(<= ULTIMATE.start_main_~k~5 17), 9250#(<= ULTIMATE.start_main_~k~5 18), 9251#(<= ULTIMATE.start_main_~k~5 19), 9252#(<= ULTIMATE.start_main_~k~5 20), 9253#(<= ULTIMATE.start_main_~k~5 21), 9254#(<= ULTIMATE.start_main_~k~5 22), 9255#(<= ULTIMATE.start_main_~k~5 23), 9256#(<= ULTIMATE.start_main_~k~5 24), 9257#(<= ULTIMATE.start_main_~k~5 25), 9258#(<= ULTIMATE.start_main_~k~5 26), 9259#(<= ULTIMATE.start_main_~k~5 27), 9260#(<= ULTIMATE.start_main_~k~5 28), 9261#(<= ULTIMATE.start_main_~k~5 29), 9262#(<= ULTIMATE.start_main_~k~5 30), 9263#(<= ULTIMATE.start_main_~k~5 31), 9264#(<= ULTIMATE.start_main_~k~5 32), 9265#(<= ULTIMATE.start_main_~k~5 33), 9266#(<= ULTIMATE.start_main_~k~5 34), 9267#(<= ULTIMATE.start_main_~k~5 35), 9268#(<= ULTIMATE.start_main_~k~5 36), 9269#(<= ULTIMATE.start_main_~k~5 37), 9270#(<= ULTIMATE.start_main_~k~5 38), 9271#(<= ULTIMATE.start_main_~k~5 39), 9272#(<= ULTIMATE.start_main_~k~5 40), 9273#(<= ULTIMATE.start_main_~k~5 41), 9274#(<= ULTIMATE.start_main_~k~5 42)] [2018-07-23 13:45:16,581 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 13:45:16,582 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:45:16,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:45:16,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:45:16,583 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 45 states. [2018-07-23 13:45:16,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:16,623 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:45:16,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:45:16,623 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 88 [2018-07-23 13:45:16,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:16,624 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:45:16,624 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:45:16,626 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 13:45:16,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:45:16,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:45:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:45:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:45:16,632 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:45:16,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:16,632 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:45:16,632 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:45:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:45:16,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:45:16,633 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:16,634 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:45:16,634 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:16,634 INFO L82 PathProgramCache]: Analyzing trace with hash -543942523, now seen corresponding path program 43 times [2018-07-23 13:45:16,634 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:16,856 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 13:45:16,856 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:16,856 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:45:16,856 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:16,857 INFO L185 omatonBuilderFactory]: Interpolants [9664#(<= ULTIMATE.start_main_~k~5 19), 9665#(<= ULTIMATE.start_main_~k~5 20), 9666#(<= ULTIMATE.start_main_~k~5 21), 9667#(<= ULTIMATE.start_main_~k~5 22), 9668#(<= ULTIMATE.start_main_~k~5 23), 9669#(<= ULTIMATE.start_main_~k~5 24), 9670#(<= ULTIMATE.start_main_~k~5 25), 9671#(<= ULTIMATE.start_main_~k~5 26), 9672#(<= ULTIMATE.start_main_~k~5 27), 9673#(<= ULTIMATE.start_main_~k~5 28), 9674#(<= ULTIMATE.start_main_~k~5 29), 9675#(<= ULTIMATE.start_main_~k~5 30), 9676#(<= ULTIMATE.start_main_~k~5 31), 9677#(<= ULTIMATE.start_main_~k~5 32), 9678#(<= ULTIMATE.start_main_~k~5 33), 9679#(<= ULTIMATE.start_main_~k~5 34), 9680#(<= ULTIMATE.start_main_~k~5 35), 9681#(<= ULTIMATE.start_main_~k~5 36), 9682#(<= ULTIMATE.start_main_~k~5 37), 9683#(<= ULTIMATE.start_main_~k~5 38), 9684#(<= ULTIMATE.start_main_~k~5 39), 9685#(<= ULTIMATE.start_main_~k~5 40), 9686#(<= ULTIMATE.start_main_~k~5 41), 9687#(<= ULTIMATE.start_main_~k~5 42), 9688#(<= ULTIMATE.start_main_~k~5 43), 9643#true, 9644#false, 9645#(<= ULTIMATE.start_main_~k~5 0), 9646#(<= ULTIMATE.start_main_~k~5 1), 9647#(<= ULTIMATE.start_main_~k~5 2), 9648#(<= ULTIMATE.start_main_~k~5 3), 9649#(<= ULTIMATE.start_main_~k~5 4), 9650#(<= ULTIMATE.start_main_~k~5 5), 9651#(<= ULTIMATE.start_main_~k~5 6), 9652#(<= ULTIMATE.start_main_~k~5 7), 9653#(<= ULTIMATE.start_main_~k~5 8), 9654#(<= ULTIMATE.start_main_~k~5 9), 9655#(<= ULTIMATE.start_main_~k~5 10), 9656#(<= ULTIMATE.start_main_~k~5 11), 9657#(<= ULTIMATE.start_main_~k~5 12), 9658#(<= ULTIMATE.start_main_~k~5 13), 9659#(<= ULTIMATE.start_main_~k~5 14), 9660#(<= ULTIMATE.start_main_~k~5 15), 9661#(<= ULTIMATE.start_main_~k~5 16), 9662#(<= ULTIMATE.start_main_~k~5 17), 9663#(<= ULTIMATE.start_main_~k~5 18)] [2018-07-23 13:45:16,858 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 13:45:16,858 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:45:16,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:45:16,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:45:16,860 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 46 states. [2018-07-23 13:45:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:16,895 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:45:16,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:45:16,896 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 90 [2018-07-23 13:45:16,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:16,897 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:45:16,897 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:45:16,898 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 13:45:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:45:16,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:45:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:45:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:45:16,902 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:45:16,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:16,903 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:45:16,903 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:45:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:45:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:45:16,904 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:16,904 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:45:16,904 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:16,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1257297599, now seen corresponding path program 44 times [2018-07-23 13:45:16,905 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:17,135 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 13:45:17,136 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:17,136 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:45:17,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,137 INFO L185 omatonBuilderFactory]: Interpolants [10065#true, 10066#false, 10067#(<= ULTIMATE.start_main_~k~5 0), 10068#(<= ULTIMATE.start_main_~k~5 1), 10069#(<= ULTIMATE.start_main_~k~5 2), 10070#(<= ULTIMATE.start_main_~k~5 3), 10071#(<= ULTIMATE.start_main_~k~5 4), 10072#(<= ULTIMATE.start_main_~k~5 5), 10073#(<= ULTIMATE.start_main_~k~5 6), 10074#(<= ULTIMATE.start_main_~k~5 7), 10075#(<= ULTIMATE.start_main_~k~5 8), 10076#(<= ULTIMATE.start_main_~k~5 9), 10077#(<= ULTIMATE.start_main_~k~5 10), 10078#(<= ULTIMATE.start_main_~k~5 11), 10079#(<= ULTIMATE.start_main_~k~5 12), 10080#(<= ULTIMATE.start_main_~k~5 13), 10081#(<= ULTIMATE.start_main_~k~5 14), 10082#(<= ULTIMATE.start_main_~k~5 15), 10083#(<= ULTIMATE.start_main_~k~5 16), 10084#(<= ULTIMATE.start_main_~k~5 17), 10085#(<= ULTIMATE.start_main_~k~5 18), 10086#(<= ULTIMATE.start_main_~k~5 19), 10087#(<= ULTIMATE.start_main_~k~5 20), 10088#(<= ULTIMATE.start_main_~k~5 21), 10089#(<= ULTIMATE.start_main_~k~5 22), 10090#(<= ULTIMATE.start_main_~k~5 23), 10091#(<= ULTIMATE.start_main_~k~5 24), 10092#(<= ULTIMATE.start_main_~k~5 25), 10093#(<= ULTIMATE.start_main_~k~5 26), 10094#(<= ULTIMATE.start_main_~k~5 27), 10095#(<= ULTIMATE.start_main_~k~5 28), 10096#(<= ULTIMATE.start_main_~k~5 29), 10097#(<= ULTIMATE.start_main_~k~5 30), 10098#(<= ULTIMATE.start_main_~k~5 31), 10099#(<= ULTIMATE.start_main_~k~5 32), 10100#(<= ULTIMATE.start_main_~k~5 33), 10101#(<= ULTIMATE.start_main_~k~5 34), 10102#(<= ULTIMATE.start_main_~k~5 35), 10103#(<= ULTIMATE.start_main_~k~5 36), 10104#(<= ULTIMATE.start_main_~k~5 37), 10105#(<= ULTIMATE.start_main_~k~5 38), 10106#(<= ULTIMATE.start_main_~k~5 39), 10107#(<= ULTIMATE.start_main_~k~5 40), 10108#(<= ULTIMATE.start_main_~k~5 41), 10109#(<= ULTIMATE.start_main_~k~5 42), 10110#(<= ULTIMATE.start_main_~k~5 43), 10111#(<= ULTIMATE.start_main_~k~5 44)] [2018-07-23 13:45:17,138 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 13:45:17,138 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:45:17,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:45:17,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:45:17,139 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 47 states. [2018-07-23 13:45:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,185 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:45:17,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:45:17,185 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 92 [2018-07-23 13:45:17,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,186 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:45:17,186 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:45:17,187 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 13:45:17,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:45:17,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:45:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:45:17,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:45:17,192 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:45:17,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,192 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:45:17,192 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:45:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:45:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:45:17,193 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,194 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:45:17,194 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1377234553, now seen corresponding path program 45 times [2018-07-23 13:45:17,194 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:17,441 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 13:45:17,441 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:17,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:45:17,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,442 INFO L185 omatonBuilderFactory]: Interpolants [10496#true, 10497#false, 10498#(<= ULTIMATE.start_main_~k~5 0), 10499#(<= ULTIMATE.start_main_~k~5 1), 10500#(<= ULTIMATE.start_main_~k~5 2), 10501#(<= ULTIMATE.start_main_~k~5 3), 10502#(<= ULTIMATE.start_main_~k~5 4), 10503#(<= ULTIMATE.start_main_~k~5 5), 10504#(<= ULTIMATE.start_main_~k~5 6), 10505#(<= ULTIMATE.start_main_~k~5 7), 10506#(<= ULTIMATE.start_main_~k~5 8), 10507#(<= ULTIMATE.start_main_~k~5 9), 10508#(<= ULTIMATE.start_main_~k~5 10), 10509#(<= ULTIMATE.start_main_~k~5 11), 10510#(<= ULTIMATE.start_main_~k~5 12), 10511#(<= ULTIMATE.start_main_~k~5 13), 10512#(<= ULTIMATE.start_main_~k~5 14), 10513#(<= ULTIMATE.start_main_~k~5 15), 10514#(<= ULTIMATE.start_main_~k~5 16), 10515#(<= ULTIMATE.start_main_~k~5 17), 10516#(<= ULTIMATE.start_main_~k~5 18), 10517#(<= ULTIMATE.start_main_~k~5 19), 10518#(<= ULTIMATE.start_main_~k~5 20), 10519#(<= ULTIMATE.start_main_~k~5 21), 10520#(<= ULTIMATE.start_main_~k~5 22), 10521#(<= ULTIMATE.start_main_~k~5 23), 10522#(<= ULTIMATE.start_main_~k~5 24), 10523#(<= ULTIMATE.start_main_~k~5 25), 10524#(<= ULTIMATE.start_main_~k~5 26), 10525#(<= ULTIMATE.start_main_~k~5 27), 10526#(<= ULTIMATE.start_main_~k~5 28), 10527#(<= ULTIMATE.start_main_~k~5 29), 10528#(<= ULTIMATE.start_main_~k~5 30), 10529#(<= ULTIMATE.start_main_~k~5 31), 10530#(<= ULTIMATE.start_main_~k~5 32), 10531#(<= ULTIMATE.start_main_~k~5 33), 10532#(<= ULTIMATE.start_main_~k~5 34), 10533#(<= ULTIMATE.start_main_~k~5 35), 10534#(<= ULTIMATE.start_main_~k~5 36), 10535#(<= ULTIMATE.start_main_~k~5 37), 10536#(<= ULTIMATE.start_main_~k~5 38), 10537#(<= ULTIMATE.start_main_~k~5 39), 10538#(<= ULTIMATE.start_main_~k~5 40), 10539#(<= ULTIMATE.start_main_~k~5 41), 10540#(<= ULTIMATE.start_main_~k~5 42), 10541#(<= ULTIMATE.start_main_~k~5 43), 10542#(<= ULTIMATE.start_main_~k~5 44), 10543#(<= ULTIMATE.start_main_~k~5 45)] [2018-07-23 13:45:17,443 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 13:45:17,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:45:17,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:45:17,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:45:17,445 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 48 states. [2018-07-23 13:45:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,496 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:45:17,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:45:17,496 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 94 [2018-07-23 13:45:17,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,497 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:45:17,498 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:45:17,499 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 13:45:17,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:45:17,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:45:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:45:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:45:17,503 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:45:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,503 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:45:17,504 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:45:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:45:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:45:17,505 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,505 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:45:17,505 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,505 INFO L82 PathProgramCache]: Analyzing trace with hash 672530355, now seen corresponding path program 46 times [2018-07-23 13:45:17,505 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:17,763 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 13:45:17,763 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:17,764 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:45:17,764 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:17,765 INFO L185 omatonBuilderFactory]: Interpolants [10936#true, 10937#false, 10938#(<= ULTIMATE.start_main_~k~5 0), 10939#(<= ULTIMATE.start_main_~k~5 1), 10940#(<= ULTIMATE.start_main_~k~5 2), 10941#(<= ULTIMATE.start_main_~k~5 3), 10942#(<= ULTIMATE.start_main_~k~5 4), 10943#(<= ULTIMATE.start_main_~k~5 5), 10944#(<= ULTIMATE.start_main_~k~5 6), 10945#(<= ULTIMATE.start_main_~k~5 7), 10946#(<= ULTIMATE.start_main_~k~5 8), 10947#(<= ULTIMATE.start_main_~k~5 9), 10948#(<= ULTIMATE.start_main_~k~5 10), 10949#(<= ULTIMATE.start_main_~k~5 11), 10950#(<= ULTIMATE.start_main_~k~5 12), 10951#(<= ULTIMATE.start_main_~k~5 13), 10952#(<= ULTIMATE.start_main_~k~5 14), 10953#(<= ULTIMATE.start_main_~k~5 15), 10954#(<= ULTIMATE.start_main_~k~5 16), 10955#(<= ULTIMATE.start_main_~k~5 17), 10956#(<= ULTIMATE.start_main_~k~5 18), 10957#(<= ULTIMATE.start_main_~k~5 19), 10958#(<= ULTIMATE.start_main_~k~5 20), 10959#(<= ULTIMATE.start_main_~k~5 21), 10960#(<= ULTIMATE.start_main_~k~5 22), 10961#(<= ULTIMATE.start_main_~k~5 23), 10962#(<= ULTIMATE.start_main_~k~5 24), 10963#(<= ULTIMATE.start_main_~k~5 25), 10964#(<= ULTIMATE.start_main_~k~5 26), 10965#(<= ULTIMATE.start_main_~k~5 27), 10966#(<= ULTIMATE.start_main_~k~5 28), 10967#(<= ULTIMATE.start_main_~k~5 29), 10968#(<= ULTIMATE.start_main_~k~5 30), 10969#(<= ULTIMATE.start_main_~k~5 31), 10970#(<= ULTIMATE.start_main_~k~5 32), 10971#(<= ULTIMATE.start_main_~k~5 33), 10972#(<= ULTIMATE.start_main_~k~5 34), 10973#(<= ULTIMATE.start_main_~k~5 35), 10974#(<= ULTIMATE.start_main_~k~5 36), 10975#(<= ULTIMATE.start_main_~k~5 37), 10976#(<= ULTIMATE.start_main_~k~5 38), 10977#(<= ULTIMATE.start_main_~k~5 39), 10978#(<= ULTIMATE.start_main_~k~5 40), 10979#(<= ULTIMATE.start_main_~k~5 41), 10980#(<= ULTIMATE.start_main_~k~5 42), 10981#(<= ULTIMATE.start_main_~k~5 43), 10982#(<= ULTIMATE.start_main_~k~5 44), 10983#(<= ULTIMATE.start_main_~k~5 45), 10984#(<= ULTIMATE.start_main_~k~5 46)] [2018-07-23 13:45:17,766 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 13:45:17,766 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:45:17,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:45:17,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:45:17,768 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 49 states. [2018-07-23 13:45:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,818 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:45:17,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:45:17,818 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 96 [2018-07-23 13:45:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,819 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:45:17,820 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:45:17,821 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 13:45:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:45:17,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:45:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:45:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:45:17,826 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:45:17,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,826 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:45:17,826 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:45:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:45:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:45:17,827 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,828 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:45:17,828 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2056628845, now seen corresponding path program 47 times [2018-07-23 13:45:17,828 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:18,133 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 13:45:18,133 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:18,133 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:45:18,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,135 INFO L185 omatonBuilderFactory]: Interpolants [11392#(<= ULTIMATE.start_main_~k~5 5), 11393#(<= ULTIMATE.start_main_~k~5 6), 11394#(<= ULTIMATE.start_main_~k~5 7), 11395#(<= ULTIMATE.start_main_~k~5 8), 11396#(<= ULTIMATE.start_main_~k~5 9), 11397#(<= ULTIMATE.start_main_~k~5 10), 11398#(<= ULTIMATE.start_main_~k~5 11), 11399#(<= ULTIMATE.start_main_~k~5 12), 11400#(<= ULTIMATE.start_main_~k~5 13), 11401#(<= ULTIMATE.start_main_~k~5 14), 11402#(<= ULTIMATE.start_main_~k~5 15), 11403#(<= ULTIMATE.start_main_~k~5 16), 11404#(<= ULTIMATE.start_main_~k~5 17), 11405#(<= ULTIMATE.start_main_~k~5 18), 11406#(<= ULTIMATE.start_main_~k~5 19), 11407#(<= ULTIMATE.start_main_~k~5 20), 11408#(<= ULTIMATE.start_main_~k~5 21), 11409#(<= ULTIMATE.start_main_~k~5 22), 11410#(<= ULTIMATE.start_main_~k~5 23), 11411#(<= ULTIMATE.start_main_~k~5 24), 11412#(<= ULTIMATE.start_main_~k~5 25), 11413#(<= ULTIMATE.start_main_~k~5 26), 11414#(<= ULTIMATE.start_main_~k~5 27), 11415#(<= ULTIMATE.start_main_~k~5 28), 11416#(<= ULTIMATE.start_main_~k~5 29), 11417#(<= ULTIMATE.start_main_~k~5 30), 11418#(<= ULTIMATE.start_main_~k~5 31), 11419#(<= ULTIMATE.start_main_~k~5 32), 11420#(<= ULTIMATE.start_main_~k~5 33), 11421#(<= ULTIMATE.start_main_~k~5 34), 11422#(<= ULTIMATE.start_main_~k~5 35), 11423#(<= ULTIMATE.start_main_~k~5 36), 11424#(<= ULTIMATE.start_main_~k~5 37), 11425#(<= ULTIMATE.start_main_~k~5 38), 11426#(<= ULTIMATE.start_main_~k~5 39), 11427#(<= ULTIMATE.start_main_~k~5 40), 11428#(<= ULTIMATE.start_main_~k~5 41), 11429#(<= ULTIMATE.start_main_~k~5 42), 11430#(<= ULTIMATE.start_main_~k~5 43), 11431#(<= ULTIMATE.start_main_~k~5 44), 11432#(<= ULTIMATE.start_main_~k~5 45), 11433#(<= ULTIMATE.start_main_~k~5 46), 11434#(<= ULTIMATE.start_main_~k~5 47), 11385#true, 11386#false, 11387#(<= ULTIMATE.start_main_~k~5 0), 11388#(<= ULTIMATE.start_main_~k~5 1), 11389#(<= ULTIMATE.start_main_~k~5 2), 11390#(<= ULTIMATE.start_main_~k~5 3), 11391#(<= ULTIMATE.start_main_~k~5 4)] [2018-07-23 13:45:18,135 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 13:45:18,136 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:45:18,136 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:45:18,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:45:18,137 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 50 states. [2018-07-23 13:45:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:18,195 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:45:18,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:45:18,195 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 98 [2018-07-23 13:45:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:18,196 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:45:18,196 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:45:18,198 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 13:45:18,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:45:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:45:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:45:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:45:18,203 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:45:18,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:18,204 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:45:18,204 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:45:18,204 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:45:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:45:18,205 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:18,205 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:45:18,205 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:18,206 INFO L82 PathProgramCache]: Analyzing trace with hash 735415975, now seen corresponding path program 48 times [2018-07-23 13:45:18,206 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:18,563 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 13:45:18,563 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:18,563 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:45:18,564 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,564 INFO L185 omatonBuilderFactory]: Interpolants [11843#true, 11844#false, 11845#(<= ULTIMATE.start_main_~k~5 0), 11846#(<= ULTIMATE.start_main_~k~5 1), 11847#(<= ULTIMATE.start_main_~k~5 2), 11848#(<= ULTIMATE.start_main_~k~5 3), 11849#(<= ULTIMATE.start_main_~k~5 4), 11850#(<= ULTIMATE.start_main_~k~5 5), 11851#(<= ULTIMATE.start_main_~k~5 6), 11852#(<= ULTIMATE.start_main_~k~5 7), 11853#(<= ULTIMATE.start_main_~k~5 8), 11854#(<= ULTIMATE.start_main_~k~5 9), 11855#(<= ULTIMATE.start_main_~k~5 10), 11856#(<= ULTIMATE.start_main_~k~5 11), 11857#(<= ULTIMATE.start_main_~k~5 12), 11858#(<= ULTIMATE.start_main_~k~5 13), 11859#(<= ULTIMATE.start_main_~k~5 14), 11860#(<= ULTIMATE.start_main_~k~5 15), 11861#(<= ULTIMATE.start_main_~k~5 16), 11862#(<= ULTIMATE.start_main_~k~5 17), 11863#(<= ULTIMATE.start_main_~k~5 18), 11864#(<= ULTIMATE.start_main_~k~5 19), 11865#(<= ULTIMATE.start_main_~k~5 20), 11866#(<= ULTIMATE.start_main_~k~5 21), 11867#(<= ULTIMATE.start_main_~k~5 22), 11868#(<= ULTIMATE.start_main_~k~5 23), 11869#(<= ULTIMATE.start_main_~k~5 24), 11870#(<= ULTIMATE.start_main_~k~5 25), 11871#(<= ULTIMATE.start_main_~k~5 26), 11872#(<= ULTIMATE.start_main_~k~5 27), 11873#(<= ULTIMATE.start_main_~k~5 28), 11874#(<= ULTIMATE.start_main_~k~5 29), 11875#(<= ULTIMATE.start_main_~k~5 30), 11876#(<= ULTIMATE.start_main_~k~5 31), 11877#(<= ULTIMATE.start_main_~k~5 32), 11878#(<= ULTIMATE.start_main_~k~5 33), 11879#(<= ULTIMATE.start_main_~k~5 34), 11880#(<= ULTIMATE.start_main_~k~5 35), 11881#(<= ULTIMATE.start_main_~k~5 36), 11882#(<= ULTIMATE.start_main_~k~5 37), 11883#(<= ULTIMATE.start_main_~k~5 38), 11884#(<= ULTIMATE.start_main_~k~5 39), 11885#(<= ULTIMATE.start_main_~k~5 40), 11886#(<= ULTIMATE.start_main_~k~5 41), 11887#(<= ULTIMATE.start_main_~k~5 42), 11888#(<= ULTIMATE.start_main_~k~5 43), 11889#(<= ULTIMATE.start_main_~k~5 44), 11890#(<= ULTIMATE.start_main_~k~5 45), 11891#(<= ULTIMATE.start_main_~k~5 46), 11892#(<= ULTIMATE.start_main_~k~5 47), 11893#(<= ULTIMATE.start_main_~k~5 48)] [2018-07-23 13:45:18,565 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 13:45:18,565 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:45:18,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:45:18,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:45:18,567 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 51 states. [2018-07-23 13:45:18,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:18,623 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:45:18,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:45:18,624 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 100 [2018-07-23 13:45:18,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:18,625 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:45:18,625 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:45:18,626 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:45:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:45:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:45:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:45:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:45:18,630 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:45:18,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:18,631 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:45:18,631 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:45:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:45:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:45:18,632 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:18,632 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:45:18,632 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:18,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1934799775, now seen corresponding path program 49 times [2018-07-23 13:45:18,633 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:18,882 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 13:45:18,882 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:18,882 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:45:18,882 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:18,883 INFO L185 omatonBuilderFactory]: Interpolants [12310#true, 12311#false, 12312#(<= ULTIMATE.start_main_~k~5 0), 12313#(<= ULTIMATE.start_main_~k~5 1), 12314#(<= ULTIMATE.start_main_~k~5 2), 12315#(<= ULTIMATE.start_main_~k~5 3), 12316#(<= ULTIMATE.start_main_~k~5 4), 12317#(<= ULTIMATE.start_main_~k~5 5), 12318#(<= ULTIMATE.start_main_~k~5 6), 12319#(<= ULTIMATE.start_main_~k~5 7), 12320#(<= ULTIMATE.start_main_~k~5 8), 12321#(<= ULTIMATE.start_main_~k~5 9), 12322#(<= ULTIMATE.start_main_~k~5 10), 12323#(<= ULTIMATE.start_main_~k~5 11), 12324#(<= ULTIMATE.start_main_~k~5 12), 12325#(<= ULTIMATE.start_main_~k~5 13), 12326#(<= ULTIMATE.start_main_~k~5 14), 12327#(<= ULTIMATE.start_main_~k~5 15), 12328#(<= ULTIMATE.start_main_~k~5 16), 12329#(<= ULTIMATE.start_main_~k~5 17), 12330#(<= ULTIMATE.start_main_~k~5 18), 12331#(<= ULTIMATE.start_main_~k~5 19), 12332#(<= ULTIMATE.start_main_~k~5 20), 12333#(<= ULTIMATE.start_main_~k~5 21), 12334#(<= ULTIMATE.start_main_~k~5 22), 12335#(<= ULTIMATE.start_main_~k~5 23), 12336#(<= ULTIMATE.start_main_~k~5 24), 12337#(<= ULTIMATE.start_main_~k~5 25), 12338#(<= ULTIMATE.start_main_~k~5 26), 12339#(<= ULTIMATE.start_main_~k~5 27), 12340#(<= ULTIMATE.start_main_~k~5 28), 12341#(<= ULTIMATE.start_main_~k~5 29), 12342#(<= ULTIMATE.start_main_~k~5 30), 12343#(<= ULTIMATE.start_main_~k~5 31), 12344#(<= ULTIMATE.start_main_~k~5 32), 12345#(<= ULTIMATE.start_main_~k~5 33), 12346#(<= ULTIMATE.start_main_~k~5 34), 12347#(<= ULTIMATE.start_main_~k~5 35), 12348#(<= ULTIMATE.start_main_~k~5 36), 12349#(<= ULTIMATE.start_main_~k~5 37), 12350#(<= ULTIMATE.start_main_~k~5 38), 12351#(<= ULTIMATE.start_main_~k~5 39), 12352#(<= ULTIMATE.start_main_~k~5 40), 12353#(<= ULTIMATE.start_main_~k~5 41), 12354#(<= ULTIMATE.start_main_~k~5 42), 12355#(<= ULTIMATE.start_main_~k~5 43), 12356#(<= ULTIMATE.start_main_~k~5 44), 12357#(<= ULTIMATE.start_main_~k~5 45), 12358#(<= ULTIMATE.start_main_~k~5 46), 12359#(<= ULTIMATE.start_main_~k~5 47), 12360#(<= ULTIMATE.start_main_~k~5 48), 12361#(<= ULTIMATE.start_main_~k~5 49)] [2018-07-23 13:45:18,884 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 13:45:18,884 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:45:18,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:45:18,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:45:18,886 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 52 states. [2018-07-23 13:45:18,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:18,937 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:45:18,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:45:18,938 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 102 [2018-07-23 13:45:18,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:18,939 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:45:18,939 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:45:18,940 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 13:45:18,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:45:18,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:45:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:45:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:45:18,944 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:45:18,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:18,944 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:45:18,944 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:45:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:45:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:45:18,945 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:18,946 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:45:18,946 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:18,946 INFO L82 PathProgramCache]: Analyzing trace with hash 378307483, now seen corresponding path program 50 times [2018-07-23 13:45:18,946 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,206 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,206 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:45:19,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,207 INFO L185 omatonBuilderFactory]: Interpolants [12800#(<= ULTIMATE.start_main_~k~5 12), 12801#(<= ULTIMATE.start_main_~k~5 13), 12802#(<= ULTIMATE.start_main_~k~5 14), 12803#(<= ULTIMATE.start_main_~k~5 15), 12804#(<= ULTIMATE.start_main_~k~5 16), 12805#(<= ULTIMATE.start_main_~k~5 17), 12806#(<= ULTIMATE.start_main_~k~5 18), 12807#(<= ULTIMATE.start_main_~k~5 19), 12808#(<= ULTIMATE.start_main_~k~5 20), 12809#(<= ULTIMATE.start_main_~k~5 21), 12810#(<= ULTIMATE.start_main_~k~5 22), 12811#(<= ULTIMATE.start_main_~k~5 23), 12812#(<= ULTIMATE.start_main_~k~5 24), 12813#(<= ULTIMATE.start_main_~k~5 25), 12814#(<= ULTIMATE.start_main_~k~5 26), 12815#(<= ULTIMATE.start_main_~k~5 27), 12816#(<= ULTIMATE.start_main_~k~5 28), 12817#(<= ULTIMATE.start_main_~k~5 29), 12818#(<= ULTIMATE.start_main_~k~5 30), 12819#(<= ULTIMATE.start_main_~k~5 31), 12820#(<= ULTIMATE.start_main_~k~5 32), 12821#(<= ULTIMATE.start_main_~k~5 33), 12822#(<= ULTIMATE.start_main_~k~5 34), 12823#(<= ULTIMATE.start_main_~k~5 35), 12824#(<= ULTIMATE.start_main_~k~5 36), 12825#(<= ULTIMATE.start_main_~k~5 37), 12826#(<= ULTIMATE.start_main_~k~5 38), 12827#(<= ULTIMATE.start_main_~k~5 39), 12828#(<= ULTIMATE.start_main_~k~5 40), 12829#(<= ULTIMATE.start_main_~k~5 41), 12830#(<= ULTIMATE.start_main_~k~5 42), 12831#(<= ULTIMATE.start_main_~k~5 43), 12832#(<= ULTIMATE.start_main_~k~5 44), 12833#(<= ULTIMATE.start_main_~k~5 45), 12834#(<= ULTIMATE.start_main_~k~5 46), 12835#(<= ULTIMATE.start_main_~k~5 47), 12836#(<= ULTIMATE.start_main_~k~5 48), 12837#(<= ULTIMATE.start_main_~k~5 49), 12838#(<= ULTIMATE.start_main_~k~5 50), 12786#true, 12787#false, 12788#(<= ULTIMATE.start_main_~k~5 0), 12789#(<= ULTIMATE.start_main_~k~5 1), 12790#(<= ULTIMATE.start_main_~k~5 2), 12791#(<= ULTIMATE.start_main_~k~5 3), 12792#(<= ULTIMATE.start_main_~k~5 4), 12793#(<= ULTIMATE.start_main_~k~5 5), 12794#(<= ULTIMATE.start_main_~k~5 6), 12795#(<= ULTIMATE.start_main_~k~5 7), 12796#(<= ULTIMATE.start_main_~k~5 8), 12797#(<= ULTIMATE.start_main_~k~5 9), 12798#(<= ULTIMATE.start_main_~k~5 10), 12799#(<= ULTIMATE.start_main_~k~5 11)] [2018-07-23 13:45:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,209 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:45:19,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:45:19,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:45:19,210 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 53 states. [2018-07-23 13:45:19,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:19,264 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:45:19,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:45:19,265 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 104 [2018-07-23 13:45:19,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:19,266 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:45:19,266 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:45:19,267 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:45:19,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:45:19,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:45:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:45:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:45:19,280 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:45:19,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:19,280 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:45:19,280 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:45:19,280 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:45:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:45:19,285 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:19,285 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:45:19,285 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:19,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1518676907, now seen corresponding path program 51 times [2018-07-23 13:45:19,285 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,548 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,548 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:45:19,549 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,549 INFO L185 omatonBuilderFactory]: Interpolants [13312#(<= ULTIMATE.start_main_~k~5 39), 13313#(<= ULTIMATE.start_main_~k~5 40), 13314#(<= ULTIMATE.start_main_~k~5 41), 13315#(<= ULTIMATE.start_main_~k~5 42), 13316#(<= ULTIMATE.start_main_~k~5 43), 13317#(<= ULTIMATE.start_main_~k~5 44), 13318#(<= ULTIMATE.start_main_~k~5 45), 13319#(<= ULTIMATE.start_main_~k~5 46), 13320#(<= ULTIMATE.start_main_~k~5 47), 13321#(<= ULTIMATE.start_main_~k~5 48), 13322#(<= ULTIMATE.start_main_~k~5 49), 13323#(<= ULTIMATE.start_main_~k~5 50), 13324#(<= ULTIMATE.start_main_~k~5 51), 13271#true, 13272#false, 13273#(<= ULTIMATE.start_main_~k~5 0), 13274#(<= ULTIMATE.start_main_~k~5 1), 13275#(<= ULTIMATE.start_main_~k~5 2), 13276#(<= ULTIMATE.start_main_~k~5 3), 13277#(<= ULTIMATE.start_main_~k~5 4), 13278#(<= ULTIMATE.start_main_~k~5 5), 13279#(<= ULTIMATE.start_main_~k~5 6), 13280#(<= ULTIMATE.start_main_~k~5 7), 13281#(<= ULTIMATE.start_main_~k~5 8), 13282#(<= ULTIMATE.start_main_~k~5 9), 13283#(<= ULTIMATE.start_main_~k~5 10), 13284#(<= ULTIMATE.start_main_~k~5 11), 13285#(<= ULTIMATE.start_main_~k~5 12), 13286#(<= ULTIMATE.start_main_~k~5 13), 13287#(<= ULTIMATE.start_main_~k~5 14), 13288#(<= ULTIMATE.start_main_~k~5 15), 13289#(<= ULTIMATE.start_main_~k~5 16), 13290#(<= ULTIMATE.start_main_~k~5 17), 13291#(<= ULTIMATE.start_main_~k~5 18), 13292#(<= ULTIMATE.start_main_~k~5 19), 13293#(<= ULTIMATE.start_main_~k~5 20), 13294#(<= ULTIMATE.start_main_~k~5 21), 13295#(<= ULTIMATE.start_main_~k~5 22), 13296#(<= ULTIMATE.start_main_~k~5 23), 13297#(<= ULTIMATE.start_main_~k~5 24), 13298#(<= ULTIMATE.start_main_~k~5 25), 13299#(<= ULTIMATE.start_main_~k~5 26), 13300#(<= ULTIMATE.start_main_~k~5 27), 13301#(<= ULTIMATE.start_main_~k~5 28), 13302#(<= ULTIMATE.start_main_~k~5 29), 13303#(<= ULTIMATE.start_main_~k~5 30), 13304#(<= ULTIMATE.start_main_~k~5 31), 13305#(<= ULTIMATE.start_main_~k~5 32), 13306#(<= ULTIMATE.start_main_~k~5 33), 13307#(<= ULTIMATE.start_main_~k~5 34), 13308#(<= ULTIMATE.start_main_~k~5 35), 13309#(<= ULTIMATE.start_main_~k~5 36), 13310#(<= ULTIMATE.start_main_~k~5 37), 13311#(<= ULTIMATE.start_main_~k~5 38)] [2018-07-23 13:45:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,550 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:45:19,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:45:19,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:45:19,552 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 54 states. [2018-07-23 13:45:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:19,598 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:45:19,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:45:19,598 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 106 [2018-07-23 13:45:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:19,599 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:45:19,599 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:45:19,600 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 13:45:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:45:19,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:45:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:45:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:45:19,606 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:45:19,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:19,606 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:45:19,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:45:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:45:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:45:19,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:19,608 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:45:19,608 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:19,608 INFO L82 PathProgramCache]: Analyzing trace with hash 840425103, now seen corresponding path program 52 times [2018-07-23 13:45:19,608 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,888 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,889 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:45:19,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,889 INFO L185 omatonBuilderFactory]: Interpolants [13765#true, 13766#false, 13767#(<= ULTIMATE.start_main_~k~5 0), 13768#(<= ULTIMATE.start_main_~k~5 1), 13769#(<= ULTIMATE.start_main_~k~5 2), 13770#(<= ULTIMATE.start_main_~k~5 3), 13771#(<= ULTIMATE.start_main_~k~5 4), 13772#(<= ULTIMATE.start_main_~k~5 5), 13773#(<= ULTIMATE.start_main_~k~5 6), 13774#(<= ULTIMATE.start_main_~k~5 7), 13775#(<= ULTIMATE.start_main_~k~5 8), 13776#(<= ULTIMATE.start_main_~k~5 9), 13777#(<= ULTIMATE.start_main_~k~5 10), 13778#(<= ULTIMATE.start_main_~k~5 11), 13779#(<= ULTIMATE.start_main_~k~5 12), 13780#(<= ULTIMATE.start_main_~k~5 13), 13781#(<= ULTIMATE.start_main_~k~5 14), 13782#(<= ULTIMATE.start_main_~k~5 15), 13783#(<= ULTIMATE.start_main_~k~5 16), 13784#(<= ULTIMATE.start_main_~k~5 17), 13785#(<= ULTIMATE.start_main_~k~5 18), 13786#(<= ULTIMATE.start_main_~k~5 19), 13787#(<= ULTIMATE.start_main_~k~5 20), 13788#(<= ULTIMATE.start_main_~k~5 21), 13789#(<= ULTIMATE.start_main_~k~5 22), 13790#(<= ULTIMATE.start_main_~k~5 23), 13791#(<= ULTIMATE.start_main_~k~5 24), 13792#(<= ULTIMATE.start_main_~k~5 25), 13793#(<= ULTIMATE.start_main_~k~5 26), 13794#(<= ULTIMATE.start_main_~k~5 27), 13795#(<= ULTIMATE.start_main_~k~5 28), 13796#(<= ULTIMATE.start_main_~k~5 29), 13797#(<= ULTIMATE.start_main_~k~5 30), 13798#(<= ULTIMATE.start_main_~k~5 31), 13799#(<= ULTIMATE.start_main_~k~5 32), 13800#(<= ULTIMATE.start_main_~k~5 33), 13801#(<= ULTIMATE.start_main_~k~5 34), 13802#(<= ULTIMATE.start_main_~k~5 35), 13803#(<= ULTIMATE.start_main_~k~5 36), 13804#(<= ULTIMATE.start_main_~k~5 37), 13805#(<= ULTIMATE.start_main_~k~5 38), 13806#(<= ULTIMATE.start_main_~k~5 39), 13807#(<= ULTIMATE.start_main_~k~5 40), 13808#(<= ULTIMATE.start_main_~k~5 41), 13809#(<= ULTIMATE.start_main_~k~5 42), 13810#(<= ULTIMATE.start_main_~k~5 43), 13811#(<= ULTIMATE.start_main_~k~5 44), 13812#(<= ULTIMATE.start_main_~k~5 45), 13813#(<= ULTIMATE.start_main_~k~5 46), 13814#(<= ULTIMATE.start_main_~k~5 47), 13815#(<= ULTIMATE.start_main_~k~5 48), 13816#(<= ULTIMATE.start_main_~k~5 49), 13817#(<= ULTIMATE.start_main_~k~5 50), 13818#(<= ULTIMATE.start_main_~k~5 51), 13819#(<= ULTIMATE.start_main_~k~5 52)] [2018-07-23 13:45:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,890 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:45:19,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:45:19,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:45:19,893 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 55 states. [2018-07-23 13:45:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:19,964 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:45:19,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:45:19,964 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 108 [2018-07-23 13:45:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:19,965 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:45:19,965 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:45:19,966 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:45:19,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:45:19,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:45:19,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:45:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:45:19,970 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:45:19,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:19,971 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:45:19,971 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:45:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:45:19,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:45:19,972 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:19,972 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:45:19,972 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:19,972 INFO L82 PathProgramCache]: Analyzing trace with hash 194724425, now seen corresponding path program 53 times [2018-07-23 13:45:19,973 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,249 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:20,249 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:45:20,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,250 INFO L185 omatonBuilderFactory]: Interpolants [14268#true, 14269#false, 14270#(<= ULTIMATE.start_main_~k~5 0), 14271#(<= ULTIMATE.start_main_~k~5 1), 14272#(<= ULTIMATE.start_main_~k~5 2), 14273#(<= ULTIMATE.start_main_~k~5 3), 14274#(<= ULTIMATE.start_main_~k~5 4), 14275#(<= ULTIMATE.start_main_~k~5 5), 14276#(<= ULTIMATE.start_main_~k~5 6), 14277#(<= ULTIMATE.start_main_~k~5 7), 14278#(<= ULTIMATE.start_main_~k~5 8), 14279#(<= ULTIMATE.start_main_~k~5 9), 14280#(<= ULTIMATE.start_main_~k~5 10), 14281#(<= ULTIMATE.start_main_~k~5 11), 14282#(<= ULTIMATE.start_main_~k~5 12), 14283#(<= ULTIMATE.start_main_~k~5 13), 14284#(<= ULTIMATE.start_main_~k~5 14), 14285#(<= ULTIMATE.start_main_~k~5 15), 14286#(<= ULTIMATE.start_main_~k~5 16), 14287#(<= ULTIMATE.start_main_~k~5 17), 14288#(<= ULTIMATE.start_main_~k~5 18), 14289#(<= ULTIMATE.start_main_~k~5 19), 14290#(<= ULTIMATE.start_main_~k~5 20), 14291#(<= ULTIMATE.start_main_~k~5 21), 14292#(<= ULTIMATE.start_main_~k~5 22), 14293#(<= ULTIMATE.start_main_~k~5 23), 14294#(<= ULTIMATE.start_main_~k~5 24), 14295#(<= ULTIMATE.start_main_~k~5 25), 14296#(<= ULTIMATE.start_main_~k~5 26), 14297#(<= ULTIMATE.start_main_~k~5 27), 14298#(<= ULTIMATE.start_main_~k~5 28), 14299#(<= ULTIMATE.start_main_~k~5 29), 14300#(<= ULTIMATE.start_main_~k~5 30), 14301#(<= ULTIMATE.start_main_~k~5 31), 14302#(<= ULTIMATE.start_main_~k~5 32), 14303#(<= ULTIMATE.start_main_~k~5 33), 14304#(<= ULTIMATE.start_main_~k~5 34), 14305#(<= ULTIMATE.start_main_~k~5 35), 14306#(<= ULTIMATE.start_main_~k~5 36), 14307#(<= ULTIMATE.start_main_~k~5 37), 14308#(<= ULTIMATE.start_main_~k~5 38), 14309#(<= ULTIMATE.start_main_~k~5 39), 14310#(<= ULTIMATE.start_main_~k~5 40), 14311#(<= ULTIMATE.start_main_~k~5 41), 14312#(<= ULTIMATE.start_main_~k~5 42), 14313#(<= ULTIMATE.start_main_~k~5 43), 14314#(<= ULTIMATE.start_main_~k~5 44), 14315#(<= ULTIMATE.start_main_~k~5 45), 14316#(<= ULTIMATE.start_main_~k~5 46), 14317#(<= ULTIMATE.start_main_~k~5 47), 14318#(<= ULTIMATE.start_main_~k~5 48), 14319#(<= ULTIMATE.start_main_~k~5 49), 14320#(<= ULTIMATE.start_main_~k~5 50), 14321#(<= ULTIMATE.start_main_~k~5 51), 14322#(<= ULTIMATE.start_main_~k~5 52), 14323#(<= ULTIMATE.start_main_~k~5 53)] [2018-07-23 13:45:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,251 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:45:20,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:45:20,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:45:20,253 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 56 states. [2018-07-23 13:45:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:20,314 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:45:20,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:45:20,314 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 110 [2018-07-23 13:45:20,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:20,315 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:45:20,315 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:45:20,316 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:45:20,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:45:20,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:45:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:45:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:45:20,322 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:45:20,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:20,322 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:45:20,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:45:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:45:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:45:20,323 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:20,324 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:45:20,324 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:20,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1848336509, now seen corresponding path program 54 times [2018-07-23 13:45:20,324 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:20,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:20,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:45:20,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,602 INFO L185 omatonBuilderFactory]: Interpolants [14780#true, 14781#false, 14782#(<= ULTIMATE.start_main_~k~5 0), 14783#(<= ULTIMATE.start_main_~k~5 1), 14784#(<= ULTIMATE.start_main_~k~5 2), 14785#(<= ULTIMATE.start_main_~k~5 3), 14786#(<= ULTIMATE.start_main_~k~5 4), 14787#(<= ULTIMATE.start_main_~k~5 5), 14788#(<= ULTIMATE.start_main_~k~5 6), 14789#(<= ULTIMATE.start_main_~k~5 7), 14790#(<= ULTIMATE.start_main_~k~5 8), 14791#(<= ULTIMATE.start_main_~k~5 9), 14792#(<= ULTIMATE.start_main_~k~5 10), 14793#(<= ULTIMATE.start_main_~k~5 11), 14794#(<= ULTIMATE.start_main_~k~5 12), 14795#(<= ULTIMATE.start_main_~k~5 13), 14796#(<= ULTIMATE.start_main_~k~5 14), 14797#(<= ULTIMATE.start_main_~k~5 15), 14798#(<= ULTIMATE.start_main_~k~5 16), 14799#(<= ULTIMATE.start_main_~k~5 17), 14800#(<= ULTIMATE.start_main_~k~5 18), 14801#(<= ULTIMATE.start_main_~k~5 19), 14802#(<= ULTIMATE.start_main_~k~5 20), 14803#(<= ULTIMATE.start_main_~k~5 21), 14804#(<= ULTIMATE.start_main_~k~5 22), 14805#(<= ULTIMATE.start_main_~k~5 23), 14806#(<= ULTIMATE.start_main_~k~5 24), 14807#(<= ULTIMATE.start_main_~k~5 25), 14808#(<= ULTIMATE.start_main_~k~5 26), 14809#(<= ULTIMATE.start_main_~k~5 27), 14810#(<= ULTIMATE.start_main_~k~5 28), 14811#(<= ULTIMATE.start_main_~k~5 29), 14812#(<= ULTIMATE.start_main_~k~5 30), 14813#(<= ULTIMATE.start_main_~k~5 31), 14814#(<= ULTIMATE.start_main_~k~5 32), 14815#(<= ULTIMATE.start_main_~k~5 33), 14816#(<= ULTIMATE.start_main_~k~5 34), 14817#(<= ULTIMATE.start_main_~k~5 35), 14818#(<= ULTIMATE.start_main_~k~5 36), 14819#(<= ULTIMATE.start_main_~k~5 37), 14820#(<= ULTIMATE.start_main_~k~5 38), 14821#(<= ULTIMATE.start_main_~k~5 39), 14822#(<= ULTIMATE.start_main_~k~5 40), 14823#(<= ULTIMATE.start_main_~k~5 41), 14824#(<= ULTIMATE.start_main_~k~5 42), 14825#(<= ULTIMATE.start_main_~k~5 43), 14826#(<= ULTIMATE.start_main_~k~5 44), 14827#(<= ULTIMATE.start_main_~k~5 45), 14828#(<= ULTIMATE.start_main_~k~5 46), 14829#(<= ULTIMATE.start_main_~k~5 47), 14830#(<= ULTIMATE.start_main_~k~5 48), 14831#(<= ULTIMATE.start_main_~k~5 49), 14832#(<= ULTIMATE.start_main_~k~5 50), 14833#(<= ULTIMATE.start_main_~k~5 51), 14834#(<= ULTIMATE.start_main_~k~5 52), 14835#(<= ULTIMATE.start_main_~k~5 53), 14836#(<= ULTIMATE.start_main_~k~5 54)] [2018-07-23 13:45:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:20,604 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:45:20,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:45:20,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:45:20,606 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 57 states. [2018-07-23 13:45:20,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:20,671 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:45:20,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:45:20,672 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 112 [2018-07-23 13:45:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:20,673 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:45:20,673 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:45:20,675 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:45:20,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:45:20,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:45:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:45:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:45:20,679 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:45:20,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:20,680 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:45:20,680 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:45:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:45:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:45:20,681 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:20,681 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:45:20,681 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:20,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1865127485, now seen corresponding path program 55 times [2018-07-23 13:45:20,682 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,001 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:21,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:45:21,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:21,002 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 13:45:21,003 INFO L185 omatonBuilderFactory]: Interpolants [15301#true, 15302#false, 15303#(<= ULTIMATE.start_main_~k~5 0), 15304#(<= ULTIMATE.start_main_~k~5 1), 15305#(<= ULTIMATE.start_main_~k~5 2), 15306#(<= ULTIMATE.start_main_~k~5 3), 15307#(<= ULTIMATE.start_main_~k~5 4), 15308#(<= ULTIMATE.start_main_~k~5 5), 15309#(<= ULTIMATE.start_main_~k~5 6), 15310#(<= ULTIMATE.start_main_~k~5 7), 15311#(<= ULTIMATE.start_main_~k~5 8), 15312#(<= ULTIMATE.start_main_~k~5 9), 15313#(<= ULTIMATE.start_main_~k~5 10), 15314#(<= ULTIMATE.start_main_~k~5 11), 15315#(<= ULTIMATE.start_main_~k~5 12), 15316#(<= ULTIMATE.start_main_~k~5 13), 15317#(<= ULTIMATE.start_main_~k~5 14), 15318#(<= ULTIMATE.start_main_~k~5 15), 15319#(<= ULTIMATE.start_main_~k~5 16), 15320#(<= ULTIMATE.start_main_~k~5 17), 15321#(<= ULTIMATE.start_main_~k~5 18), 15322#(<= ULTIMATE.start_main_~k~5 19), 15323#(<= ULTIMATE.start_main_~k~5 20), 15324#(<= ULTIMATE.start_main_~k~5 21), 15325#(<= ULTIMATE.start_main_~k~5 22), 15326#(<= ULTIMATE.start_main_~k~5 23), 15327#(<= ULTIMATE.start_main_~k~5 24), 15328#(<= ULTIMATE.start_main_~k~5 25), 15329#(<= ULTIMATE.start_main_~k~5 26), 15330#(<= ULTIMATE.start_main_~k~5 27), 15331#(<= ULTIMATE.start_main_~k~5 28), 15332#(<= ULTIMATE.start_main_~k~5 29), 15333#(<= ULTIMATE.start_main_~k~5 30), 15334#(<= ULTIMATE.start_main_~k~5 31), 15335#(<= ULTIMATE.start_main_~k~5 32), 15336#(<= ULTIMATE.start_main_~k~5 33), 15337#(<= ULTIMATE.start_main_~k~5 34), 15338#(<= ULTIMATE.start_main_~k~5 35), 15339#(<= ULTIMATE.start_main_~k~5 36), 15340#(<= ULTIMATE.start_main_~k~5 37), 15341#(<= ULTIMATE.start_main_~k~5 38), 15342#(<= ULTIMATE.start_main_~k~5 39), 15343#(<= ULTIMATE.start_main_~k~5 40), 15344#(<= ULTIMATE.start_main_~k~5 41), 15345#(<= ULTIMATE.start_main_~k~5 42), 15346#(<= ULTIMATE.start_main_~k~5 43), 15347#(<= ULTIMATE.start_main_~k~5 44), 15348#(<= ULTIMATE.start_main_~k~5 45), 15349#(<= ULTIMATE.start_main_~k~5 46), 15350#(<= ULTIMATE.start_main_~k~5 47), 15351#(<= ULTIMATE.start_main_~k~5 48), 15352#(<= ULTIMATE.start_main_~k~5 49), 15353#(<= ULTIMATE.start_main_~k~5 50), 15354#(<= ULTIMATE.start_main_~k~5 51), 15355#(<= ULTIMATE.start_main_~k~5 52), 15356#(<= ULTIMATE.start_main_~k~5 53), 15357#(<= ULTIMATE.start_main_~k~5 54), 15358#(<= ULTIMATE.start_main_~k~5 55)] [2018-07-23 13:45:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,004 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:45:21,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:45:21,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:45:21,006 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 58 states. [2018-07-23 13:45:21,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:21,091 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:45:21,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:45:21,091 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 114 [2018-07-23 13:45:21,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:21,093 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:45:21,093 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:45:21,094 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:45:21,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:45:21,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:45:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:45:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:45:21,101 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:45:21,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:21,101 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:45:21,101 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:45:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:45:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:45:21,103 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:21,103 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:45:21,103 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:21,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1386202743, now seen corresponding path program 56 times [2018-07-23 13:45:21,104 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,511 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:21,511 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:45:21,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,512 INFO L185 omatonBuilderFactory]: Interpolants [15872#(<= ULTIMATE.start_main_~k~5 39), 15873#(<= ULTIMATE.start_main_~k~5 40), 15874#(<= ULTIMATE.start_main_~k~5 41), 15875#(<= ULTIMATE.start_main_~k~5 42), 15876#(<= ULTIMATE.start_main_~k~5 43), 15877#(<= ULTIMATE.start_main_~k~5 44), 15878#(<= ULTIMATE.start_main_~k~5 45), 15879#(<= ULTIMATE.start_main_~k~5 46), 15880#(<= ULTIMATE.start_main_~k~5 47), 15881#(<= ULTIMATE.start_main_~k~5 48), 15882#(<= ULTIMATE.start_main_~k~5 49), 15883#(<= ULTIMATE.start_main_~k~5 50), 15884#(<= ULTIMATE.start_main_~k~5 51), 15885#(<= ULTIMATE.start_main_~k~5 52), 15886#(<= ULTIMATE.start_main_~k~5 53), 15887#(<= ULTIMATE.start_main_~k~5 54), 15888#(<= ULTIMATE.start_main_~k~5 55), 15889#(<= ULTIMATE.start_main_~k~5 56), 15831#true, 15832#false, 15833#(<= ULTIMATE.start_main_~k~5 0), 15834#(<= ULTIMATE.start_main_~k~5 1), 15835#(<= ULTIMATE.start_main_~k~5 2), 15836#(<= ULTIMATE.start_main_~k~5 3), 15837#(<= ULTIMATE.start_main_~k~5 4), 15838#(<= ULTIMATE.start_main_~k~5 5), 15839#(<= ULTIMATE.start_main_~k~5 6), 15840#(<= ULTIMATE.start_main_~k~5 7), 15841#(<= ULTIMATE.start_main_~k~5 8), 15842#(<= ULTIMATE.start_main_~k~5 9), 15843#(<= ULTIMATE.start_main_~k~5 10), 15844#(<= ULTIMATE.start_main_~k~5 11), 15845#(<= ULTIMATE.start_main_~k~5 12), 15846#(<= ULTIMATE.start_main_~k~5 13), 15847#(<= ULTIMATE.start_main_~k~5 14), 15848#(<= ULTIMATE.start_main_~k~5 15), 15849#(<= ULTIMATE.start_main_~k~5 16), 15850#(<= ULTIMATE.start_main_~k~5 17), 15851#(<= ULTIMATE.start_main_~k~5 18), 15852#(<= ULTIMATE.start_main_~k~5 19), 15853#(<= ULTIMATE.start_main_~k~5 20), 15854#(<= ULTIMATE.start_main_~k~5 21), 15855#(<= ULTIMATE.start_main_~k~5 22), 15856#(<= ULTIMATE.start_main_~k~5 23), 15857#(<= ULTIMATE.start_main_~k~5 24), 15858#(<= ULTIMATE.start_main_~k~5 25), 15859#(<= ULTIMATE.start_main_~k~5 26), 15860#(<= ULTIMATE.start_main_~k~5 27), 15861#(<= ULTIMATE.start_main_~k~5 28), 15862#(<= ULTIMATE.start_main_~k~5 29), 15863#(<= ULTIMATE.start_main_~k~5 30), 15864#(<= ULTIMATE.start_main_~k~5 31), 15865#(<= ULTIMATE.start_main_~k~5 32), 15866#(<= ULTIMATE.start_main_~k~5 33), 15867#(<= ULTIMATE.start_main_~k~5 34), 15868#(<= ULTIMATE.start_main_~k~5 35), 15869#(<= ULTIMATE.start_main_~k~5 36), 15870#(<= ULTIMATE.start_main_~k~5 37), 15871#(<= ULTIMATE.start_main_~k~5 38)] [2018-07-23 13:45:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,513 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:45:21,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:45:21,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:45:21,515 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 59 states. [2018-07-23 13:45:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:21,563 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:45:21,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:45:21,564 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 116 [2018-07-23 13:45:21,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:21,565 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:45:21,565 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:45:21,566 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:45:21,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:45:21,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:45:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:45:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:45:21,571 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:45:21,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:21,572 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:45:21,572 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:45:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:45:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:45:21,573 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:21,573 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:45:21,574 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:21,574 INFO L82 PathProgramCache]: Analyzing trace with hash 701026353, now seen corresponding path program 57 times [2018-07-23 13:45:21,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,891 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:21,891 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:45:21,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,892 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= ULTIMATE.start_main_~k~5 12), 16385#(<= ULTIMATE.start_main_~k~5 13), 16386#(<= ULTIMATE.start_main_~k~5 14), 16387#(<= ULTIMATE.start_main_~k~5 15), 16388#(<= ULTIMATE.start_main_~k~5 16), 16389#(<= ULTIMATE.start_main_~k~5 17), 16390#(<= ULTIMATE.start_main_~k~5 18), 16391#(<= ULTIMATE.start_main_~k~5 19), 16392#(<= ULTIMATE.start_main_~k~5 20), 16393#(<= ULTIMATE.start_main_~k~5 21), 16394#(<= ULTIMATE.start_main_~k~5 22), 16395#(<= ULTIMATE.start_main_~k~5 23), 16396#(<= ULTIMATE.start_main_~k~5 24), 16397#(<= ULTIMATE.start_main_~k~5 25), 16398#(<= ULTIMATE.start_main_~k~5 26), 16399#(<= ULTIMATE.start_main_~k~5 27), 16400#(<= ULTIMATE.start_main_~k~5 28), 16401#(<= ULTIMATE.start_main_~k~5 29), 16402#(<= ULTIMATE.start_main_~k~5 30), 16403#(<= ULTIMATE.start_main_~k~5 31), 16404#(<= ULTIMATE.start_main_~k~5 32), 16405#(<= ULTIMATE.start_main_~k~5 33), 16406#(<= ULTIMATE.start_main_~k~5 34), 16407#(<= ULTIMATE.start_main_~k~5 35), 16408#(<= ULTIMATE.start_main_~k~5 36), 16409#(<= ULTIMATE.start_main_~k~5 37), 16410#(<= ULTIMATE.start_main_~k~5 38), 16411#(<= ULTIMATE.start_main_~k~5 39), 16412#(<= ULTIMATE.start_main_~k~5 40), 16413#(<= ULTIMATE.start_main_~k~5 41), 16414#(<= ULTIMATE.start_main_~k~5 42), 16415#(<= ULTIMATE.start_main_~k~5 43), 16416#(<= ULTIMATE.start_main_~k~5 44), 16417#(<= ULTIMATE.start_main_~k~5 45), 16418#(<= ULTIMATE.start_main_~k~5 46), 16419#(<= ULTIMATE.start_main_~k~5 47), 16420#(<= ULTIMATE.start_main_~k~5 48), 16421#(<= ULTIMATE.start_main_~k~5 49), 16422#(<= ULTIMATE.start_main_~k~5 50), 16423#(<= ULTIMATE.start_main_~k~5 51), 16424#(<= ULTIMATE.start_main_~k~5 52), 16425#(<= ULTIMATE.start_main_~k~5 53), 16426#(<= ULTIMATE.start_main_~k~5 54), 16427#(<= ULTIMATE.start_main_~k~5 55), 16428#(<= ULTIMATE.start_main_~k~5 56), 16429#(<= ULTIMATE.start_main_~k~5 57), 16370#true, 16371#false, 16372#(<= ULTIMATE.start_main_~k~5 0), 16373#(<= ULTIMATE.start_main_~k~5 1), 16374#(<= ULTIMATE.start_main_~k~5 2), 16375#(<= ULTIMATE.start_main_~k~5 3), 16376#(<= ULTIMATE.start_main_~k~5 4), 16377#(<= ULTIMATE.start_main_~k~5 5), 16378#(<= ULTIMATE.start_main_~k~5 6), 16379#(<= ULTIMATE.start_main_~k~5 7), 16380#(<= ULTIMATE.start_main_~k~5 8), 16381#(<= ULTIMATE.start_main_~k~5 9), 16382#(<= ULTIMATE.start_main_~k~5 10), 16383#(<= ULTIMATE.start_main_~k~5 11)] [2018-07-23 13:45:21,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:21,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:45:21,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:45:21,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:45:21,895 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 60 states. [2018-07-23 13:45:21,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:21,968 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:45:21,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:45:21,968 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 118 [2018-07-23 13:45:21,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:21,969 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:45:21,969 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:45:21,971 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:45:21,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:45:21,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:45:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:45:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:45:21,978 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:45:21,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:21,978 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:45:21,978 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:45:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:45:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:45:21,980 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:21,980 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:45:21,980 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:21,981 INFO L82 PathProgramCache]: Analyzing trace with hash -623488149, now seen corresponding path program 58 times [2018-07-23 13:45:21,981 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,297 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:22,297 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:45:22,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,298 INFO L185 omatonBuilderFactory]: Interpolants [16918#true, 16919#false, 16920#(<= ULTIMATE.start_main_~k~5 0), 16921#(<= ULTIMATE.start_main_~k~5 1), 16922#(<= ULTIMATE.start_main_~k~5 2), 16923#(<= ULTIMATE.start_main_~k~5 3), 16924#(<= ULTIMATE.start_main_~k~5 4), 16925#(<= ULTIMATE.start_main_~k~5 5), 16926#(<= ULTIMATE.start_main_~k~5 6), 16927#(<= ULTIMATE.start_main_~k~5 7), 16928#(<= ULTIMATE.start_main_~k~5 8), 16929#(<= ULTIMATE.start_main_~k~5 9), 16930#(<= ULTIMATE.start_main_~k~5 10), 16931#(<= ULTIMATE.start_main_~k~5 11), 16932#(<= ULTIMATE.start_main_~k~5 12), 16933#(<= ULTIMATE.start_main_~k~5 13), 16934#(<= ULTIMATE.start_main_~k~5 14), 16935#(<= ULTIMATE.start_main_~k~5 15), 16936#(<= ULTIMATE.start_main_~k~5 16), 16937#(<= ULTIMATE.start_main_~k~5 17), 16938#(<= ULTIMATE.start_main_~k~5 18), 16939#(<= ULTIMATE.start_main_~k~5 19), 16940#(<= ULTIMATE.start_main_~k~5 20), 16941#(<= ULTIMATE.start_main_~k~5 21), 16942#(<= ULTIMATE.start_main_~k~5 22), 16943#(<= ULTIMATE.start_main_~k~5 23), 16944#(<= ULTIMATE.start_main_~k~5 24), 16945#(<= ULTIMATE.start_main_~k~5 25), 16946#(<= ULTIMATE.start_main_~k~5 26), 16947#(<= ULTIMATE.start_main_~k~5 27), 16948#(<= ULTIMATE.start_main_~k~5 28), 16949#(<= ULTIMATE.start_main_~k~5 29), 16950#(<= ULTIMATE.start_main_~k~5 30), 16951#(<= ULTIMATE.start_main_~k~5 31), 16952#(<= ULTIMATE.start_main_~k~5 32), 16953#(<= ULTIMATE.start_main_~k~5 33), 16954#(<= ULTIMATE.start_main_~k~5 34), 16955#(<= ULTIMATE.start_main_~k~5 35), 16956#(<= ULTIMATE.start_main_~k~5 36), 16957#(<= ULTIMATE.start_main_~k~5 37), 16958#(<= ULTIMATE.start_main_~k~5 38), 16959#(<= ULTIMATE.start_main_~k~5 39), 16960#(<= ULTIMATE.start_main_~k~5 40), 16961#(<= ULTIMATE.start_main_~k~5 41), 16962#(<= ULTIMATE.start_main_~k~5 42), 16963#(<= ULTIMATE.start_main_~k~5 43), 16964#(<= ULTIMATE.start_main_~k~5 44), 16965#(<= ULTIMATE.start_main_~k~5 45), 16966#(<= ULTIMATE.start_main_~k~5 46), 16967#(<= ULTIMATE.start_main_~k~5 47), 16968#(<= ULTIMATE.start_main_~k~5 48), 16969#(<= ULTIMATE.start_main_~k~5 49), 16970#(<= ULTIMATE.start_main_~k~5 50), 16971#(<= ULTIMATE.start_main_~k~5 51), 16972#(<= ULTIMATE.start_main_~k~5 52), 16973#(<= ULTIMATE.start_main_~k~5 53), 16974#(<= ULTIMATE.start_main_~k~5 54), 16975#(<= ULTIMATE.start_main_~k~5 55), 16976#(<= ULTIMATE.start_main_~k~5 56), 16977#(<= ULTIMATE.start_main_~k~5 57), 16978#(<= ULTIMATE.start_main_~k~5 58)] [2018-07-23 13:45:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:45:22,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:45:22,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:45:22,301 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 61 states. [2018-07-23 13:45:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:22,376 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:45:22,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:45:22,376 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 120 [2018-07-23 13:45:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:22,377 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:45:22,377 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:45:22,379 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 13:45:22,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:45:22,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:45:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:45:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:45:22,384 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:45:22,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:22,384 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:45:22,384 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:45:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:45:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:45:22,385 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:22,386 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:45:22,386 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:22,386 INFO L82 PathProgramCache]: Analyzing trace with hash 2123362341, now seen corresponding path program 59 times [2018-07-23 13:45:22,386 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:22,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:45:22,681 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,681 INFO L185 omatonBuilderFactory]: Interpolants [17536#(<= ULTIMATE.start_main_~k~5 59), 17475#true, 17476#false, 17477#(<= ULTIMATE.start_main_~k~5 0), 17478#(<= ULTIMATE.start_main_~k~5 1), 17479#(<= ULTIMATE.start_main_~k~5 2), 17480#(<= ULTIMATE.start_main_~k~5 3), 17481#(<= ULTIMATE.start_main_~k~5 4), 17482#(<= ULTIMATE.start_main_~k~5 5), 17483#(<= ULTIMATE.start_main_~k~5 6), 17484#(<= ULTIMATE.start_main_~k~5 7), 17485#(<= ULTIMATE.start_main_~k~5 8), 17486#(<= ULTIMATE.start_main_~k~5 9), 17487#(<= ULTIMATE.start_main_~k~5 10), 17488#(<= ULTIMATE.start_main_~k~5 11), 17489#(<= ULTIMATE.start_main_~k~5 12), 17490#(<= ULTIMATE.start_main_~k~5 13), 17491#(<= ULTIMATE.start_main_~k~5 14), 17492#(<= ULTIMATE.start_main_~k~5 15), 17493#(<= ULTIMATE.start_main_~k~5 16), 17494#(<= ULTIMATE.start_main_~k~5 17), 17495#(<= ULTIMATE.start_main_~k~5 18), 17496#(<= ULTIMATE.start_main_~k~5 19), 17497#(<= ULTIMATE.start_main_~k~5 20), 17498#(<= ULTIMATE.start_main_~k~5 21), 17499#(<= ULTIMATE.start_main_~k~5 22), 17500#(<= ULTIMATE.start_main_~k~5 23), 17501#(<= ULTIMATE.start_main_~k~5 24), 17502#(<= ULTIMATE.start_main_~k~5 25), 17503#(<= ULTIMATE.start_main_~k~5 26), 17504#(<= ULTIMATE.start_main_~k~5 27), 17505#(<= ULTIMATE.start_main_~k~5 28), 17506#(<= ULTIMATE.start_main_~k~5 29), 17507#(<= ULTIMATE.start_main_~k~5 30), 17508#(<= ULTIMATE.start_main_~k~5 31), 17509#(<= ULTIMATE.start_main_~k~5 32), 17510#(<= ULTIMATE.start_main_~k~5 33), 17511#(<= ULTIMATE.start_main_~k~5 34), 17512#(<= ULTIMATE.start_main_~k~5 35), 17513#(<= ULTIMATE.start_main_~k~5 36), 17514#(<= ULTIMATE.start_main_~k~5 37), 17515#(<= ULTIMATE.start_main_~k~5 38), 17516#(<= ULTIMATE.start_main_~k~5 39), 17517#(<= ULTIMATE.start_main_~k~5 40), 17518#(<= ULTIMATE.start_main_~k~5 41), 17519#(<= ULTIMATE.start_main_~k~5 42), 17520#(<= ULTIMATE.start_main_~k~5 43), 17521#(<= ULTIMATE.start_main_~k~5 44), 17522#(<= ULTIMATE.start_main_~k~5 45), 17523#(<= ULTIMATE.start_main_~k~5 46), 17524#(<= ULTIMATE.start_main_~k~5 47), 17525#(<= ULTIMATE.start_main_~k~5 48), 17526#(<= ULTIMATE.start_main_~k~5 49), 17527#(<= ULTIMATE.start_main_~k~5 50), 17528#(<= ULTIMATE.start_main_~k~5 51), 17529#(<= ULTIMATE.start_main_~k~5 52), 17530#(<= ULTIMATE.start_main_~k~5 53), 17531#(<= ULTIMATE.start_main_~k~5 54), 17532#(<= ULTIMATE.start_main_~k~5 55), 17533#(<= ULTIMATE.start_main_~k~5 56), 17534#(<= ULTIMATE.start_main_~k~5 57), 17535#(<= ULTIMATE.start_main_~k~5 58)] [2018-07-23 13:45:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:22,682 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:45:22,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:45:22,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:45:22,684 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 62 states. [2018-07-23 13:45:22,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:22,748 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:45:22,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:45:22,749 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 122 [2018-07-23 13:45:22,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:22,750 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:45:22,750 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:45:22,751 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:45:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:45:22,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:45:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:45:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:45:22,757 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:45:22,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:22,757 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:45:22,757 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:45:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:45:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:45:22,758 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:22,758 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:45:22,759 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 441796191, now seen corresponding path program 60 times [2018-07-23 13:45:22,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,066 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:23,066 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:45:23,066 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,067 INFO L185 omatonBuilderFactory]: Interpolants [18048#(<= ULTIMATE.start_main_~k~5 5), 18049#(<= ULTIMATE.start_main_~k~5 6), 18050#(<= ULTIMATE.start_main_~k~5 7), 18051#(<= ULTIMATE.start_main_~k~5 8), 18052#(<= ULTIMATE.start_main_~k~5 9), 18053#(<= ULTIMATE.start_main_~k~5 10), 18054#(<= ULTIMATE.start_main_~k~5 11), 18055#(<= ULTIMATE.start_main_~k~5 12), 18056#(<= ULTIMATE.start_main_~k~5 13), 18057#(<= ULTIMATE.start_main_~k~5 14), 18058#(<= ULTIMATE.start_main_~k~5 15), 18059#(<= ULTIMATE.start_main_~k~5 16), 18060#(<= ULTIMATE.start_main_~k~5 17), 18061#(<= ULTIMATE.start_main_~k~5 18), 18062#(<= ULTIMATE.start_main_~k~5 19), 18063#(<= ULTIMATE.start_main_~k~5 20), 18064#(<= ULTIMATE.start_main_~k~5 21), 18065#(<= ULTIMATE.start_main_~k~5 22), 18066#(<= ULTIMATE.start_main_~k~5 23), 18067#(<= ULTIMATE.start_main_~k~5 24), 18068#(<= ULTIMATE.start_main_~k~5 25), 18069#(<= ULTIMATE.start_main_~k~5 26), 18070#(<= ULTIMATE.start_main_~k~5 27), 18071#(<= ULTIMATE.start_main_~k~5 28), 18072#(<= ULTIMATE.start_main_~k~5 29), 18073#(<= ULTIMATE.start_main_~k~5 30), 18074#(<= ULTIMATE.start_main_~k~5 31), 18075#(<= ULTIMATE.start_main_~k~5 32), 18076#(<= ULTIMATE.start_main_~k~5 33), 18077#(<= ULTIMATE.start_main_~k~5 34), 18078#(<= ULTIMATE.start_main_~k~5 35), 18079#(<= ULTIMATE.start_main_~k~5 36), 18080#(<= ULTIMATE.start_main_~k~5 37), 18081#(<= ULTIMATE.start_main_~k~5 38), 18082#(<= ULTIMATE.start_main_~k~5 39), 18083#(<= ULTIMATE.start_main_~k~5 40), 18084#(<= ULTIMATE.start_main_~k~5 41), 18085#(<= ULTIMATE.start_main_~k~5 42), 18086#(<= ULTIMATE.start_main_~k~5 43), 18087#(<= ULTIMATE.start_main_~k~5 44), 18088#(<= ULTIMATE.start_main_~k~5 45), 18089#(<= ULTIMATE.start_main_~k~5 46), 18090#(<= ULTIMATE.start_main_~k~5 47), 18091#(<= ULTIMATE.start_main_~k~5 48), 18092#(<= ULTIMATE.start_main_~k~5 49), 18093#(<= ULTIMATE.start_main_~k~5 50), 18094#(<= ULTIMATE.start_main_~k~5 51), 18095#(<= ULTIMATE.start_main_~k~5 52), 18096#(<= ULTIMATE.start_main_~k~5 53), 18097#(<= ULTIMATE.start_main_~k~5 54), 18098#(<= ULTIMATE.start_main_~k~5 55), 18099#(<= ULTIMATE.start_main_~k~5 56), 18100#(<= ULTIMATE.start_main_~k~5 57), 18101#(<= ULTIMATE.start_main_~k~5 58), 18102#(<= ULTIMATE.start_main_~k~5 59), 18103#(<= ULTIMATE.start_main_~k~5 60), 18041#true, 18042#false, 18043#(<= ULTIMATE.start_main_~k~5 0), 18044#(<= ULTIMATE.start_main_~k~5 1), 18045#(<= ULTIMATE.start_main_~k~5 2), 18046#(<= ULTIMATE.start_main_~k~5 3), 18047#(<= ULTIMATE.start_main_~k~5 4)] [2018-07-23 13:45:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,068 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:45:23,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:45:23,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:45:23,069 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 63 states. [2018-07-23 13:45:23,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:23,144 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:45:23,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:45:23,144 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 124 [2018-07-23 13:45:23,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:23,145 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:45:23,145 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:45:23,147 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:45:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:45:23,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:45:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:45:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:45:23,151 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:45:23,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:23,152 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:45:23,152 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:45:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:45:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:45:23,153 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:23,153 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:45:23,153 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:23,154 INFO L82 PathProgramCache]: Analyzing trace with hash -635570663, now seen corresponding path program 61 times [2018-07-23 13:45:23,154 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,468 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:23,468 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:45:23,468 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:23,469 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 13:45:23,469 INFO L185 omatonBuilderFactory]: Interpolants [18616#true, 18617#false, 18618#(<= ULTIMATE.start_main_~k~5 0), 18619#(<= ULTIMATE.start_main_~k~5 1), 18620#(<= ULTIMATE.start_main_~k~5 2), 18621#(<= ULTIMATE.start_main_~k~5 3), 18622#(<= ULTIMATE.start_main_~k~5 4), 18623#(<= ULTIMATE.start_main_~k~5 5), 18624#(<= ULTIMATE.start_main_~k~5 6), 18625#(<= ULTIMATE.start_main_~k~5 7), 18626#(<= ULTIMATE.start_main_~k~5 8), 18627#(<= ULTIMATE.start_main_~k~5 9), 18628#(<= ULTIMATE.start_main_~k~5 10), 18629#(<= ULTIMATE.start_main_~k~5 11), 18630#(<= ULTIMATE.start_main_~k~5 12), 18631#(<= ULTIMATE.start_main_~k~5 13), 18632#(<= ULTIMATE.start_main_~k~5 14), 18633#(<= ULTIMATE.start_main_~k~5 15), 18634#(<= ULTIMATE.start_main_~k~5 16), 18635#(<= ULTIMATE.start_main_~k~5 17), 18636#(<= ULTIMATE.start_main_~k~5 18), 18637#(<= ULTIMATE.start_main_~k~5 19), 18638#(<= ULTIMATE.start_main_~k~5 20), 18639#(<= ULTIMATE.start_main_~k~5 21), 18640#(<= ULTIMATE.start_main_~k~5 22), 18641#(<= ULTIMATE.start_main_~k~5 23), 18642#(<= ULTIMATE.start_main_~k~5 24), 18643#(<= ULTIMATE.start_main_~k~5 25), 18644#(<= ULTIMATE.start_main_~k~5 26), 18645#(<= ULTIMATE.start_main_~k~5 27), 18646#(<= ULTIMATE.start_main_~k~5 28), 18647#(<= ULTIMATE.start_main_~k~5 29), 18648#(<= ULTIMATE.start_main_~k~5 30), 18649#(<= ULTIMATE.start_main_~k~5 31), 18650#(<= ULTIMATE.start_main_~k~5 32), 18651#(<= ULTIMATE.start_main_~k~5 33), 18652#(<= ULTIMATE.start_main_~k~5 34), 18653#(<= ULTIMATE.start_main_~k~5 35), 18654#(<= ULTIMATE.start_main_~k~5 36), 18655#(<= ULTIMATE.start_main_~k~5 37), 18656#(<= ULTIMATE.start_main_~k~5 38), 18657#(<= ULTIMATE.start_main_~k~5 39), 18658#(<= ULTIMATE.start_main_~k~5 40), 18659#(<= ULTIMATE.start_main_~k~5 41), 18660#(<= ULTIMATE.start_main_~k~5 42), 18661#(<= ULTIMATE.start_main_~k~5 43), 18662#(<= ULTIMATE.start_main_~k~5 44), 18663#(<= ULTIMATE.start_main_~k~5 45), 18664#(<= ULTIMATE.start_main_~k~5 46), 18665#(<= ULTIMATE.start_main_~k~5 47), 18666#(<= ULTIMATE.start_main_~k~5 48), 18667#(<= ULTIMATE.start_main_~k~5 49), 18668#(<= ULTIMATE.start_main_~k~5 50), 18669#(<= ULTIMATE.start_main_~k~5 51), 18670#(<= ULTIMATE.start_main_~k~5 52), 18671#(<= ULTIMATE.start_main_~k~5 53), 18672#(<= ULTIMATE.start_main_~k~5 54), 18673#(<= ULTIMATE.start_main_~k~5 55), 18674#(<= ULTIMATE.start_main_~k~5 56), 18675#(<= ULTIMATE.start_main_~k~5 57), 18676#(<= ULTIMATE.start_main_~k~5 58), 18677#(<= ULTIMATE.start_main_~k~5 59), 18678#(<= ULTIMATE.start_main_~k~5 60), 18679#(<= ULTIMATE.start_main_~k~5 61)] [2018-07-23 13:45:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,470 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:45:23,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:45:23,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:45:23,472 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 64 states. [2018-07-23 13:45:23,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:23,564 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:45:23,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:45:23,564 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 126 [2018-07-23 13:45:23,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:23,566 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:45:23,566 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:45:23,567 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:45:23,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:45:23,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:45:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:45:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:45:23,573 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:45:23,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:23,574 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:45:23,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:45:23,574 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:45:23,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:45:23,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:23,575 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:45:23,575 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash -897999021, now seen corresponding path program 62 times [2018-07-23 13:45:23,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,914 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:23,915 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:45:23,915 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,916 INFO L185 omatonBuilderFactory]: Interpolants [19200#true, 19201#false, 19202#(<= ULTIMATE.start_main_~k~5 0), 19203#(<= ULTIMATE.start_main_~k~5 1), 19204#(<= ULTIMATE.start_main_~k~5 2), 19205#(<= ULTIMATE.start_main_~k~5 3), 19206#(<= ULTIMATE.start_main_~k~5 4), 19207#(<= ULTIMATE.start_main_~k~5 5), 19208#(<= ULTIMATE.start_main_~k~5 6), 19209#(<= ULTIMATE.start_main_~k~5 7), 19210#(<= ULTIMATE.start_main_~k~5 8), 19211#(<= ULTIMATE.start_main_~k~5 9), 19212#(<= ULTIMATE.start_main_~k~5 10), 19213#(<= ULTIMATE.start_main_~k~5 11), 19214#(<= ULTIMATE.start_main_~k~5 12), 19215#(<= ULTIMATE.start_main_~k~5 13), 19216#(<= ULTIMATE.start_main_~k~5 14), 19217#(<= ULTIMATE.start_main_~k~5 15), 19218#(<= ULTIMATE.start_main_~k~5 16), 19219#(<= ULTIMATE.start_main_~k~5 17), 19220#(<= ULTIMATE.start_main_~k~5 18), 19221#(<= ULTIMATE.start_main_~k~5 19), 19222#(<= ULTIMATE.start_main_~k~5 20), 19223#(<= ULTIMATE.start_main_~k~5 21), 19224#(<= ULTIMATE.start_main_~k~5 22), 19225#(<= ULTIMATE.start_main_~k~5 23), 19226#(<= ULTIMATE.start_main_~k~5 24), 19227#(<= ULTIMATE.start_main_~k~5 25), 19228#(<= ULTIMATE.start_main_~k~5 26), 19229#(<= ULTIMATE.start_main_~k~5 27), 19230#(<= ULTIMATE.start_main_~k~5 28), 19231#(<= ULTIMATE.start_main_~k~5 29), 19232#(<= ULTIMATE.start_main_~k~5 30), 19233#(<= ULTIMATE.start_main_~k~5 31), 19234#(<= ULTIMATE.start_main_~k~5 32), 19235#(<= ULTIMATE.start_main_~k~5 33), 19236#(<= ULTIMATE.start_main_~k~5 34), 19237#(<= ULTIMATE.start_main_~k~5 35), 19238#(<= ULTIMATE.start_main_~k~5 36), 19239#(<= ULTIMATE.start_main_~k~5 37), 19240#(<= ULTIMATE.start_main_~k~5 38), 19241#(<= ULTIMATE.start_main_~k~5 39), 19242#(<= ULTIMATE.start_main_~k~5 40), 19243#(<= ULTIMATE.start_main_~k~5 41), 19244#(<= ULTIMATE.start_main_~k~5 42), 19245#(<= ULTIMATE.start_main_~k~5 43), 19246#(<= ULTIMATE.start_main_~k~5 44), 19247#(<= ULTIMATE.start_main_~k~5 45), 19248#(<= ULTIMATE.start_main_~k~5 46), 19249#(<= ULTIMATE.start_main_~k~5 47), 19250#(<= ULTIMATE.start_main_~k~5 48), 19251#(<= ULTIMATE.start_main_~k~5 49), 19252#(<= ULTIMATE.start_main_~k~5 50), 19253#(<= ULTIMATE.start_main_~k~5 51), 19254#(<= ULTIMATE.start_main_~k~5 52), 19255#(<= ULTIMATE.start_main_~k~5 53), 19256#(<= ULTIMATE.start_main_~k~5 54), 19257#(<= ULTIMATE.start_main_~k~5 55), 19258#(<= ULTIMATE.start_main_~k~5 56), 19259#(<= ULTIMATE.start_main_~k~5 57), 19260#(<= ULTIMATE.start_main_~k~5 58), 19261#(<= ULTIMATE.start_main_~k~5 59), 19262#(<= ULTIMATE.start_main_~k~5 60), 19263#(<= ULTIMATE.start_main_~k~5 61), 19264#(<= ULTIMATE.start_main_~k~5 62)] [2018-07-23 13:45:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:23,917 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:45:23,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:45:23,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:45:23,919 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 65 states. [2018-07-23 13:45:24,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:24,010 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:45:24,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:45:24,011 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 128 [2018-07-23 13:45:24,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:24,012 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:45:24,012 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:45:24,013 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:45:24,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:45:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:45:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:45:24,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:45:24,018 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:45:24,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:24,019 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:45:24,019 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:45:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:45:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:45:24,020 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:24,020 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:45:24,021 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:24,021 INFO L82 PathProgramCache]: Analyzing trace with hash 311419405, now seen corresponding path program 63 times [2018-07-23 13:45:24,021 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,375 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:24,375 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:45:24,375 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:24,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,377 INFO L185 omatonBuilderFactory]: Interpolants [19840#(<= ULTIMATE.start_main_~k~5 45), 19841#(<= ULTIMATE.start_main_~k~5 46), 19842#(<= ULTIMATE.start_main_~k~5 47), 19843#(<= ULTIMATE.start_main_~k~5 48), 19844#(<= ULTIMATE.start_main_~k~5 49), 19845#(<= ULTIMATE.start_main_~k~5 50), 19846#(<= ULTIMATE.start_main_~k~5 51), 19847#(<= ULTIMATE.start_main_~k~5 52), 19848#(<= ULTIMATE.start_main_~k~5 53), 19849#(<= ULTIMATE.start_main_~k~5 54), 19850#(<= ULTIMATE.start_main_~k~5 55), 19851#(<= ULTIMATE.start_main_~k~5 56), 19852#(<= ULTIMATE.start_main_~k~5 57), 19853#(<= ULTIMATE.start_main_~k~5 58), 19854#(<= ULTIMATE.start_main_~k~5 59), 19855#(<= ULTIMATE.start_main_~k~5 60), 19856#(<= ULTIMATE.start_main_~k~5 61), 19857#(<= ULTIMATE.start_main_~k~5 62), 19858#(<= ULTIMATE.start_main_~k~5 63), 19793#true, 19794#false, 19795#(<= ULTIMATE.start_main_~k~5 0), 19796#(<= ULTIMATE.start_main_~k~5 1), 19797#(<= ULTIMATE.start_main_~k~5 2), 19798#(<= ULTIMATE.start_main_~k~5 3), 19799#(<= ULTIMATE.start_main_~k~5 4), 19800#(<= ULTIMATE.start_main_~k~5 5), 19801#(<= ULTIMATE.start_main_~k~5 6), 19802#(<= ULTIMATE.start_main_~k~5 7), 19803#(<= ULTIMATE.start_main_~k~5 8), 19804#(<= ULTIMATE.start_main_~k~5 9), 19805#(<= ULTIMATE.start_main_~k~5 10), 19806#(<= ULTIMATE.start_main_~k~5 11), 19807#(<= ULTIMATE.start_main_~k~5 12), 19808#(<= ULTIMATE.start_main_~k~5 13), 19809#(<= ULTIMATE.start_main_~k~5 14), 19810#(<= ULTIMATE.start_main_~k~5 15), 19811#(<= ULTIMATE.start_main_~k~5 16), 19812#(<= ULTIMATE.start_main_~k~5 17), 19813#(<= ULTIMATE.start_main_~k~5 18), 19814#(<= ULTIMATE.start_main_~k~5 19), 19815#(<= ULTIMATE.start_main_~k~5 20), 19816#(<= ULTIMATE.start_main_~k~5 21), 19817#(<= ULTIMATE.start_main_~k~5 22), 19818#(<= ULTIMATE.start_main_~k~5 23), 19819#(<= ULTIMATE.start_main_~k~5 24), 19820#(<= ULTIMATE.start_main_~k~5 25), 19821#(<= ULTIMATE.start_main_~k~5 26), 19822#(<= ULTIMATE.start_main_~k~5 27), 19823#(<= ULTIMATE.start_main_~k~5 28), 19824#(<= ULTIMATE.start_main_~k~5 29), 19825#(<= ULTIMATE.start_main_~k~5 30), 19826#(<= ULTIMATE.start_main_~k~5 31), 19827#(<= ULTIMATE.start_main_~k~5 32), 19828#(<= ULTIMATE.start_main_~k~5 33), 19829#(<= ULTIMATE.start_main_~k~5 34), 19830#(<= ULTIMATE.start_main_~k~5 35), 19831#(<= ULTIMATE.start_main_~k~5 36), 19832#(<= ULTIMATE.start_main_~k~5 37), 19833#(<= ULTIMATE.start_main_~k~5 38), 19834#(<= ULTIMATE.start_main_~k~5 39), 19835#(<= ULTIMATE.start_main_~k~5 40), 19836#(<= ULTIMATE.start_main_~k~5 41), 19837#(<= ULTIMATE.start_main_~k~5 42), 19838#(<= ULTIMATE.start_main_~k~5 43), 19839#(<= ULTIMATE.start_main_~k~5 44)] [2018-07-23 13:45:24,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,378 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:45:24,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:45:24,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:45:24,381 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 66 states. [2018-07-23 13:45:24,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:24,447 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:45:24,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:45:24,448 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 130 [2018-07-23 13:45:24,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:24,449 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:45:24,449 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:45:24,451 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:45:24,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:45:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:45:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:45:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:45:24,457 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:45:24,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:24,458 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:45:24,458 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:45:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:45:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:45:24,460 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:24,460 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:45:24,460 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:24,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1373610425, now seen corresponding path program 64 times [2018-07-23 13:45:24,461 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,786 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:24,786 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:45:24,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,787 INFO L185 omatonBuilderFactory]: Interpolants [20395#true, 20396#false, 20397#(<= ULTIMATE.start_main_~k~5 0), 20398#(<= ULTIMATE.start_main_~k~5 1), 20399#(<= ULTIMATE.start_main_~k~5 2), 20400#(<= ULTIMATE.start_main_~k~5 3), 20401#(<= ULTIMATE.start_main_~k~5 4), 20402#(<= ULTIMATE.start_main_~k~5 5), 20403#(<= ULTIMATE.start_main_~k~5 6), 20404#(<= ULTIMATE.start_main_~k~5 7), 20405#(<= ULTIMATE.start_main_~k~5 8), 20406#(<= ULTIMATE.start_main_~k~5 9), 20407#(<= ULTIMATE.start_main_~k~5 10), 20408#(<= ULTIMATE.start_main_~k~5 11), 20409#(<= ULTIMATE.start_main_~k~5 12), 20410#(<= ULTIMATE.start_main_~k~5 13), 20411#(<= ULTIMATE.start_main_~k~5 14), 20412#(<= ULTIMATE.start_main_~k~5 15), 20413#(<= ULTIMATE.start_main_~k~5 16), 20414#(<= ULTIMATE.start_main_~k~5 17), 20415#(<= ULTIMATE.start_main_~k~5 18), 20416#(<= ULTIMATE.start_main_~k~5 19), 20417#(<= ULTIMATE.start_main_~k~5 20), 20418#(<= ULTIMATE.start_main_~k~5 21), 20419#(<= ULTIMATE.start_main_~k~5 22), 20420#(<= ULTIMATE.start_main_~k~5 23), 20421#(<= ULTIMATE.start_main_~k~5 24), 20422#(<= ULTIMATE.start_main_~k~5 25), 20423#(<= ULTIMATE.start_main_~k~5 26), 20424#(<= ULTIMATE.start_main_~k~5 27), 20425#(<= ULTIMATE.start_main_~k~5 28), 20426#(<= ULTIMATE.start_main_~k~5 29), 20427#(<= ULTIMATE.start_main_~k~5 30), 20428#(<= ULTIMATE.start_main_~k~5 31), 20429#(<= ULTIMATE.start_main_~k~5 32), 20430#(<= ULTIMATE.start_main_~k~5 33), 20431#(<= ULTIMATE.start_main_~k~5 34), 20432#(<= ULTIMATE.start_main_~k~5 35), 20433#(<= ULTIMATE.start_main_~k~5 36), 20434#(<= ULTIMATE.start_main_~k~5 37), 20435#(<= ULTIMATE.start_main_~k~5 38), 20436#(<= ULTIMATE.start_main_~k~5 39), 20437#(<= ULTIMATE.start_main_~k~5 40), 20438#(<= ULTIMATE.start_main_~k~5 41), 20439#(<= ULTIMATE.start_main_~k~5 42), 20440#(<= ULTIMATE.start_main_~k~5 43), 20441#(<= ULTIMATE.start_main_~k~5 44), 20442#(<= ULTIMATE.start_main_~k~5 45), 20443#(<= ULTIMATE.start_main_~k~5 46), 20444#(<= ULTIMATE.start_main_~k~5 47), 20445#(<= ULTIMATE.start_main_~k~5 48), 20446#(<= ULTIMATE.start_main_~k~5 49), 20447#(<= ULTIMATE.start_main_~k~5 50), 20448#(<= ULTIMATE.start_main_~k~5 51), 20449#(<= ULTIMATE.start_main_~k~5 52), 20450#(<= ULTIMATE.start_main_~k~5 53), 20451#(<= ULTIMATE.start_main_~k~5 54), 20452#(<= ULTIMATE.start_main_~k~5 55), 20453#(<= ULTIMATE.start_main_~k~5 56), 20454#(<= ULTIMATE.start_main_~k~5 57), 20455#(<= ULTIMATE.start_main_~k~5 58), 20456#(<= ULTIMATE.start_main_~k~5 59), 20457#(<= ULTIMATE.start_main_~k~5 60), 20458#(<= ULTIMATE.start_main_~k~5 61), 20459#(<= ULTIMATE.start_main_~k~5 62), 20460#(<= ULTIMATE.start_main_~k~5 63), 20461#(<= ULTIMATE.start_main_~k~5 64)] [2018-07-23 13:45:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,788 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:45:24,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:45:24,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:45:24,789 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 67 states. [2018-07-23 13:45:24,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:24,870 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:45:24,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:45:24,871 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 132 [2018-07-23 13:45:24,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:24,872 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:45:24,872 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:45:24,873 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:45:24,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:45:24,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:45:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:45:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:45:24,878 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:45:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:24,879 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:45:24,879 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:45:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:45:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:45:24,880 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:24,881 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:45:24,881 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:24,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1484606463, now seen corresponding path program 65 times [2018-07-23 13:45:24,881 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,211 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:25,211 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:45:25,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:25,211 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 13:45:25,212 INFO L185 omatonBuilderFactory]: Interpolants [21006#true, 21007#false, 21008#(<= ULTIMATE.start_main_~k~5 0), 21009#(<= ULTIMATE.start_main_~k~5 1), 21010#(<= ULTIMATE.start_main_~k~5 2), 21011#(<= ULTIMATE.start_main_~k~5 3), 21012#(<= ULTIMATE.start_main_~k~5 4), 21013#(<= ULTIMATE.start_main_~k~5 5), 21014#(<= ULTIMATE.start_main_~k~5 6), 21015#(<= ULTIMATE.start_main_~k~5 7), 21016#(<= ULTIMATE.start_main_~k~5 8), 21017#(<= ULTIMATE.start_main_~k~5 9), 21018#(<= ULTIMATE.start_main_~k~5 10), 21019#(<= ULTIMATE.start_main_~k~5 11), 21020#(<= ULTIMATE.start_main_~k~5 12), 21021#(<= ULTIMATE.start_main_~k~5 13), 21022#(<= ULTIMATE.start_main_~k~5 14), 21023#(<= ULTIMATE.start_main_~k~5 15), 21024#(<= ULTIMATE.start_main_~k~5 16), 21025#(<= ULTIMATE.start_main_~k~5 17), 21026#(<= ULTIMATE.start_main_~k~5 18), 21027#(<= ULTIMATE.start_main_~k~5 19), 21028#(<= ULTIMATE.start_main_~k~5 20), 21029#(<= ULTIMATE.start_main_~k~5 21), 21030#(<= ULTIMATE.start_main_~k~5 22), 21031#(<= ULTIMATE.start_main_~k~5 23), 21032#(<= ULTIMATE.start_main_~k~5 24), 21033#(<= ULTIMATE.start_main_~k~5 25), 21034#(<= ULTIMATE.start_main_~k~5 26), 21035#(<= ULTIMATE.start_main_~k~5 27), 21036#(<= ULTIMATE.start_main_~k~5 28), 21037#(<= ULTIMATE.start_main_~k~5 29), 21038#(<= ULTIMATE.start_main_~k~5 30), 21039#(<= ULTIMATE.start_main_~k~5 31), 21040#(<= ULTIMATE.start_main_~k~5 32), 21041#(<= ULTIMATE.start_main_~k~5 33), 21042#(<= ULTIMATE.start_main_~k~5 34), 21043#(<= ULTIMATE.start_main_~k~5 35), 21044#(<= ULTIMATE.start_main_~k~5 36), 21045#(<= ULTIMATE.start_main_~k~5 37), 21046#(<= ULTIMATE.start_main_~k~5 38), 21047#(<= ULTIMATE.start_main_~k~5 39), 21048#(<= ULTIMATE.start_main_~k~5 40), 21049#(<= ULTIMATE.start_main_~k~5 41), 21050#(<= ULTIMATE.start_main_~k~5 42), 21051#(<= ULTIMATE.start_main_~k~5 43), 21052#(<= ULTIMATE.start_main_~k~5 44), 21053#(<= ULTIMATE.start_main_~k~5 45), 21054#(<= ULTIMATE.start_main_~k~5 46), 21055#(<= ULTIMATE.start_main_~k~5 47), 21056#(<= ULTIMATE.start_main_~k~5 48), 21057#(<= ULTIMATE.start_main_~k~5 49), 21058#(<= ULTIMATE.start_main_~k~5 50), 21059#(<= ULTIMATE.start_main_~k~5 51), 21060#(<= ULTIMATE.start_main_~k~5 52), 21061#(<= ULTIMATE.start_main_~k~5 53), 21062#(<= ULTIMATE.start_main_~k~5 54), 21063#(<= ULTIMATE.start_main_~k~5 55), 21064#(<= ULTIMATE.start_main_~k~5 56), 21065#(<= ULTIMATE.start_main_~k~5 57), 21066#(<= ULTIMATE.start_main_~k~5 58), 21067#(<= ULTIMATE.start_main_~k~5 59), 21068#(<= ULTIMATE.start_main_~k~5 60), 21069#(<= ULTIMATE.start_main_~k~5 61), 21070#(<= ULTIMATE.start_main_~k~5 62), 21071#(<= ULTIMATE.start_main_~k~5 63), 21072#(<= ULTIMATE.start_main_~k~5 64), 21073#(<= ULTIMATE.start_main_~k~5 65)] [2018-07-23 13:45:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:45:25,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:45:25,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:45:25,214 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 68 states. [2018-07-23 13:45:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:25,305 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:45:25,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:45:25,305 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 134 [2018-07-23 13:45:25,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:25,306 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:45:25,306 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:45:25,307 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:45:25,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:45:25,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:45:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:45:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:45:25,312 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:45:25,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:25,313 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:45:25,313 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:45:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:45:25,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:45:25,314 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:25,314 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:45:25,314 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:25,315 INFO L82 PathProgramCache]: Analyzing trace with hash -777616581, now seen corresponding path program 66 times [2018-07-23 13:45:25,315 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,642 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:25,643 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:45:25,643 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,643 INFO L185 omatonBuilderFactory]: Interpolants [21632#(<= ULTIMATE.start_main_~k~5 4), 21633#(<= ULTIMATE.start_main_~k~5 5), 21634#(<= ULTIMATE.start_main_~k~5 6), 21635#(<= ULTIMATE.start_main_~k~5 7), 21636#(<= ULTIMATE.start_main_~k~5 8), 21637#(<= ULTIMATE.start_main_~k~5 9), 21638#(<= ULTIMATE.start_main_~k~5 10), 21639#(<= ULTIMATE.start_main_~k~5 11), 21640#(<= ULTIMATE.start_main_~k~5 12), 21641#(<= ULTIMATE.start_main_~k~5 13), 21642#(<= ULTIMATE.start_main_~k~5 14), 21643#(<= ULTIMATE.start_main_~k~5 15), 21644#(<= ULTIMATE.start_main_~k~5 16), 21645#(<= ULTIMATE.start_main_~k~5 17), 21646#(<= ULTIMATE.start_main_~k~5 18), 21647#(<= ULTIMATE.start_main_~k~5 19), 21648#(<= ULTIMATE.start_main_~k~5 20), 21649#(<= ULTIMATE.start_main_~k~5 21), 21650#(<= ULTIMATE.start_main_~k~5 22), 21651#(<= ULTIMATE.start_main_~k~5 23), 21652#(<= ULTIMATE.start_main_~k~5 24), 21653#(<= ULTIMATE.start_main_~k~5 25), 21654#(<= ULTIMATE.start_main_~k~5 26), 21655#(<= ULTIMATE.start_main_~k~5 27), 21656#(<= ULTIMATE.start_main_~k~5 28), 21657#(<= ULTIMATE.start_main_~k~5 29), 21658#(<= ULTIMATE.start_main_~k~5 30), 21659#(<= ULTIMATE.start_main_~k~5 31), 21660#(<= ULTIMATE.start_main_~k~5 32), 21661#(<= ULTIMATE.start_main_~k~5 33), 21662#(<= ULTIMATE.start_main_~k~5 34), 21663#(<= ULTIMATE.start_main_~k~5 35), 21664#(<= ULTIMATE.start_main_~k~5 36), 21665#(<= ULTIMATE.start_main_~k~5 37), 21666#(<= ULTIMATE.start_main_~k~5 38), 21667#(<= ULTIMATE.start_main_~k~5 39), 21668#(<= ULTIMATE.start_main_~k~5 40), 21669#(<= ULTIMATE.start_main_~k~5 41), 21670#(<= ULTIMATE.start_main_~k~5 42), 21671#(<= ULTIMATE.start_main_~k~5 43), 21672#(<= ULTIMATE.start_main_~k~5 44), 21673#(<= ULTIMATE.start_main_~k~5 45), 21674#(<= ULTIMATE.start_main_~k~5 46), 21675#(<= ULTIMATE.start_main_~k~5 47), 21676#(<= ULTIMATE.start_main_~k~5 48), 21677#(<= ULTIMATE.start_main_~k~5 49), 21678#(<= ULTIMATE.start_main_~k~5 50), 21679#(<= ULTIMATE.start_main_~k~5 51), 21680#(<= ULTIMATE.start_main_~k~5 52), 21681#(<= ULTIMATE.start_main_~k~5 53), 21682#(<= ULTIMATE.start_main_~k~5 54), 21683#(<= ULTIMATE.start_main_~k~5 55), 21684#(<= ULTIMATE.start_main_~k~5 56), 21685#(<= ULTIMATE.start_main_~k~5 57), 21686#(<= ULTIMATE.start_main_~k~5 58), 21687#(<= ULTIMATE.start_main_~k~5 59), 21688#(<= ULTIMATE.start_main_~k~5 60), 21689#(<= ULTIMATE.start_main_~k~5 61), 21690#(<= ULTIMATE.start_main_~k~5 62), 21691#(<= ULTIMATE.start_main_~k~5 63), 21692#(<= ULTIMATE.start_main_~k~5 64), 21693#(<= ULTIMATE.start_main_~k~5 65), 21694#(<= ULTIMATE.start_main_~k~5 66), 21626#true, 21627#false, 21628#(<= ULTIMATE.start_main_~k~5 0), 21629#(<= ULTIMATE.start_main_~k~5 1), 21630#(<= ULTIMATE.start_main_~k~5 2), 21631#(<= ULTIMATE.start_main_~k~5 3)] [2018-07-23 13:45:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:25,644 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:45:25,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:45:25,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:45:25,646 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 69 states. [2018-07-23 13:45:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:25,745 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:45:25,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:45:25,745 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 136 [2018-07-23 13:45:25,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:25,746 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:45:25,747 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:45:25,747 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 13:45:25,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:45:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:45:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:45:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:45:25,755 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:45:25,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:25,756 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:45:25,756 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:45:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:45:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:45:25,757 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:25,757 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:45:25,758 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:25,758 INFO L82 PathProgramCache]: Analyzing trace with hash 34827253, now seen corresponding path program 67 times [2018-07-23 13:45:25,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,117 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:26,117 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:45:26,117 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,118 INFO L185 omatonBuilderFactory]: Interpolants [22272#(<= ULTIMATE.start_main_~k~5 15), 22273#(<= ULTIMATE.start_main_~k~5 16), 22274#(<= ULTIMATE.start_main_~k~5 17), 22275#(<= ULTIMATE.start_main_~k~5 18), 22276#(<= ULTIMATE.start_main_~k~5 19), 22277#(<= ULTIMATE.start_main_~k~5 20), 22278#(<= ULTIMATE.start_main_~k~5 21), 22279#(<= ULTIMATE.start_main_~k~5 22), 22280#(<= ULTIMATE.start_main_~k~5 23), 22281#(<= ULTIMATE.start_main_~k~5 24), 22282#(<= ULTIMATE.start_main_~k~5 25), 22283#(<= ULTIMATE.start_main_~k~5 26), 22284#(<= ULTIMATE.start_main_~k~5 27), 22285#(<= ULTIMATE.start_main_~k~5 28), 22286#(<= ULTIMATE.start_main_~k~5 29), 22287#(<= ULTIMATE.start_main_~k~5 30), 22288#(<= ULTIMATE.start_main_~k~5 31), 22289#(<= ULTIMATE.start_main_~k~5 32), 22290#(<= ULTIMATE.start_main_~k~5 33), 22291#(<= ULTIMATE.start_main_~k~5 34), 22292#(<= ULTIMATE.start_main_~k~5 35), 22293#(<= ULTIMATE.start_main_~k~5 36), 22294#(<= ULTIMATE.start_main_~k~5 37), 22295#(<= ULTIMATE.start_main_~k~5 38), 22296#(<= ULTIMATE.start_main_~k~5 39), 22297#(<= ULTIMATE.start_main_~k~5 40), 22298#(<= ULTIMATE.start_main_~k~5 41), 22299#(<= ULTIMATE.start_main_~k~5 42), 22300#(<= ULTIMATE.start_main_~k~5 43), 22301#(<= ULTIMATE.start_main_~k~5 44), 22302#(<= ULTIMATE.start_main_~k~5 45), 22303#(<= ULTIMATE.start_main_~k~5 46), 22304#(<= ULTIMATE.start_main_~k~5 47), 22305#(<= ULTIMATE.start_main_~k~5 48), 22306#(<= ULTIMATE.start_main_~k~5 49), 22307#(<= ULTIMATE.start_main_~k~5 50), 22308#(<= ULTIMATE.start_main_~k~5 51), 22309#(<= ULTIMATE.start_main_~k~5 52), 22310#(<= ULTIMATE.start_main_~k~5 53), 22311#(<= ULTIMATE.start_main_~k~5 54), 22312#(<= ULTIMATE.start_main_~k~5 55), 22313#(<= ULTIMATE.start_main_~k~5 56), 22314#(<= ULTIMATE.start_main_~k~5 57), 22315#(<= ULTIMATE.start_main_~k~5 58), 22316#(<= ULTIMATE.start_main_~k~5 59), 22317#(<= ULTIMATE.start_main_~k~5 60), 22318#(<= ULTIMATE.start_main_~k~5 61), 22319#(<= ULTIMATE.start_main_~k~5 62), 22320#(<= ULTIMATE.start_main_~k~5 63), 22321#(<= ULTIMATE.start_main_~k~5 64), 22322#(<= ULTIMATE.start_main_~k~5 65), 22323#(<= ULTIMATE.start_main_~k~5 66), 22324#(<= ULTIMATE.start_main_~k~5 67), 22255#true, 22256#false, 22257#(<= ULTIMATE.start_main_~k~5 0), 22258#(<= ULTIMATE.start_main_~k~5 1), 22259#(<= ULTIMATE.start_main_~k~5 2), 22260#(<= ULTIMATE.start_main_~k~5 3), 22261#(<= ULTIMATE.start_main_~k~5 4), 22262#(<= ULTIMATE.start_main_~k~5 5), 22263#(<= ULTIMATE.start_main_~k~5 6), 22264#(<= ULTIMATE.start_main_~k~5 7), 22265#(<= ULTIMATE.start_main_~k~5 8), 22266#(<= ULTIMATE.start_main_~k~5 9), 22267#(<= ULTIMATE.start_main_~k~5 10), 22268#(<= ULTIMATE.start_main_~k~5 11), 22269#(<= ULTIMATE.start_main_~k~5 12), 22270#(<= ULTIMATE.start_main_~k~5 13), 22271#(<= ULTIMATE.start_main_~k~5 14)] [2018-07-23 13:45:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,119 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:45:26,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:45:26,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:45:26,121 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 70 states. [2018-07-23 13:45:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:26,216 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:45:26,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:45:26,216 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 138 [2018-07-23 13:45:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:26,217 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:45:26,217 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:45:26,218 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:45:26,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:45:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:45:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:45:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:45:26,224 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:45:26,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:26,224 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:45:26,224 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:45:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:45:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:45:26,226 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:26,226 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:45:26,226 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:26,227 INFO L82 PathProgramCache]: Analyzing trace with hash -890696145, now seen corresponding path program 68 times [2018-07-23 13:45:26,227 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,645 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:26,645 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:45:26,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,646 INFO L185 omatonBuilderFactory]: Interpolants [22912#(<= ULTIMATE.start_main_~k~5 17), 22913#(<= ULTIMATE.start_main_~k~5 18), 22914#(<= ULTIMATE.start_main_~k~5 19), 22915#(<= ULTIMATE.start_main_~k~5 20), 22916#(<= ULTIMATE.start_main_~k~5 21), 22917#(<= ULTIMATE.start_main_~k~5 22), 22918#(<= ULTIMATE.start_main_~k~5 23), 22919#(<= ULTIMATE.start_main_~k~5 24), 22920#(<= ULTIMATE.start_main_~k~5 25), 22921#(<= ULTIMATE.start_main_~k~5 26), 22922#(<= ULTIMATE.start_main_~k~5 27), 22923#(<= ULTIMATE.start_main_~k~5 28), 22924#(<= ULTIMATE.start_main_~k~5 29), 22925#(<= ULTIMATE.start_main_~k~5 30), 22926#(<= ULTIMATE.start_main_~k~5 31), 22927#(<= ULTIMATE.start_main_~k~5 32), 22928#(<= ULTIMATE.start_main_~k~5 33), 22929#(<= ULTIMATE.start_main_~k~5 34), 22930#(<= ULTIMATE.start_main_~k~5 35), 22931#(<= ULTIMATE.start_main_~k~5 36), 22932#(<= ULTIMATE.start_main_~k~5 37), 22933#(<= ULTIMATE.start_main_~k~5 38), 22934#(<= ULTIMATE.start_main_~k~5 39), 22935#(<= ULTIMATE.start_main_~k~5 40), 22936#(<= ULTIMATE.start_main_~k~5 41), 22937#(<= ULTIMATE.start_main_~k~5 42), 22938#(<= ULTIMATE.start_main_~k~5 43), 22939#(<= ULTIMATE.start_main_~k~5 44), 22940#(<= ULTIMATE.start_main_~k~5 45), 22941#(<= ULTIMATE.start_main_~k~5 46), 22942#(<= ULTIMATE.start_main_~k~5 47), 22943#(<= ULTIMATE.start_main_~k~5 48), 22944#(<= ULTIMATE.start_main_~k~5 49), 22945#(<= ULTIMATE.start_main_~k~5 50), 22946#(<= ULTIMATE.start_main_~k~5 51), 22947#(<= ULTIMATE.start_main_~k~5 52), 22948#(<= ULTIMATE.start_main_~k~5 53), 22949#(<= ULTIMATE.start_main_~k~5 54), 22950#(<= ULTIMATE.start_main_~k~5 55), 22951#(<= ULTIMATE.start_main_~k~5 56), 22952#(<= ULTIMATE.start_main_~k~5 57), 22953#(<= ULTIMATE.start_main_~k~5 58), 22954#(<= ULTIMATE.start_main_~k~5 59), 22955#(<= ULTIMATE.start_main_~k~5 60), 22956#(<= ULTIMATE.start_main_~k~5 61), 22957#(<= ULTIMATE.start_main_~k~5 62), 22958#(<= ULTIMATE.start_main_~k~5 63), 22959#(<= ULTIMATE.start_main_~k~5 64), 22960#(<= ULTIMATE.start_main_~k~5 65), 22961#(<= ULTIMATE.start_main_~k~5 66), 22962#(<= ULTIMATE.start_main_~k~5 67), 22963#(<= ULTIMATE.start_main_~k~5 68), 22893#true, 22894#false, 22895#(<= ULTIMATE.start_main_~k~5 0), 22896#(<= ULTIMATE.start_main_~k~5 1), 22897#(<= ULTIMATE.start_main_~k~5 2), 22898#(<= ULTIMATE.start_main_~k~5 3), 22899#(<= ULTIMATE.start_main_~k~5 4), 22900#(<= ULTIMATE.start_main_~k~5 5), 22901#(<= ULTIMATE.start_main_~k~5 6), 22902#(<= ULTIMATE.start_main_~k~5 7), 22903#(<= ULTIMATE.start_main_~k~5 8), 22904#(<= ULTIMATE.start_main_~k~5 9), 22905#(<= ULTIMATE.start_main_~k~5 10), 22906#(<= ULTIMATE.start_main_~k~5 11), 22907#(<= ULTIMATE.start_main_~k~5 12), 22908#(<= ULTIMATE.start_main_~k~5 13), 22909#(<= ULTIMATE.start_main_~k~5 14), 22910#(<= ULTIMATE.start_main_~k~5 15), 22911#(<= ULTIMATE.start_main_~k~5 16)] [2018-07-23 13:45:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:26,647 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:45:26,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:45:26,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:45:26,649 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 71 states. [2018-07-23 13:45:26,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:26,756 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:45:26,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:45:26,756 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 140 [2018-07-23 13:45:26,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:26,758 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:45:26,758 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:45:26,760 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:45:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:45:26,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:45:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:45:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:45:26,767 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:45:26,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:26,768 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:45:26,768 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:45:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:45:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:45:26,770 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:26,770 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:45:26,770 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:26,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1260451351, now seen corresponding path program 69 times [2018-07-23 13:45:26,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,259 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:27,259 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:45:27,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,260 INFO L185 omatonBuilderFactory]: Interpolants [23552#(<= ULTIMATE.start_main_~k~5 10), 23553#(<= ULTIMATE.start_main_~k~5 11), 23554#(<= ULTIMATE.start_main_~k~5 12), 23555#(<= ULTIMATE.start_main_~k~5 13), 23556#(<= ULTIMATE.start_main_~k~5 14), 23557#(<= ULTIMATE.start_main_~k~5 15), 23558#(<= ULTIMATE.start_main_~k~5 16), 23559#(<= ULTIMATE.start_main_~k~5 17), 23560#(<= ULTIMATE.start_main_~k~5 18), 23561#(<= ULTIMATE.start_main_~k~5 19), 23562#(<= ULTIMATE.start_main_~k~5 20), 23563#(<= ULTIMATE.start_main_~k~5 21), 23564#(<= ULTIMATE.start_main_~k~5 22), 23565#(<= ULTIMATE.start_main_~k~5 23), 23566#(<= ULTIMATE.start_main_~k~5 24), 23567#(<= ULTIMATE.start_main_~k~5 25), 23568#(<= ULTIMATE.start_main_~k~5 26), 23569#(<= ULTIMATE.start_main_~k~5 27), 23570#(<= ULTIMATE.start_main_~k~5 28), 23571#(<= ULTIMATE.start_main_~k~5 29), 23572#(<= ULTIMATE.start_main_~k~5 30), 23573#(<= ULTIMATE.start_main_~k~5 31), 23574#(<= ULTIMATE.start_main_~k~5 32), 23575#(<= ULTIMATE.start_main_~k~5 33), 23576#(<= ULTIMATE.start_main_~k~5 34), 23577#(<= ULTIMATE.start_main_~k~5 35), 23578#(<= ULTIMATE.start_main_~k~5 36), 23579#(<= ULTIMATE.start_main_~k~5 37), 23580#(<= ULTIMATE.start_main_~k~5 38), 23581#(<= ULTIMATE.start_main_~k~5 39), 23582#(<= ULTIMATE.start_main_~k~5 40), 23583#(<= ULTIMATE.start_main_~k~5 41), 23584#(<= ULTIMATE.start_main_~k~5 42), 23585#(<= ULTIMATE.start_main_~k~5 43), 23586#(<= ULTIMATE.start_main_~k~5 44), 23587#(<= ULTIMATE.start_main_~k~5 45), 23588#(<= ULTIMATE.start_main_~k~5 46), 23589#(<= ULTIMATE.start_main_~k~5 47), 23590#(<= ULTIMATE.start_main_~k~5 48), 23591#(<= ULTIMATE.start_main_~k~5 49), 23592#(<= ULTIMATE.start_main_~k~5 50), 23593#(<= ULTIMATE.start_main_~k~5 51), 23594#(<= ULTIMATE.start_main_~k~5 52), 23595#(<= ULTIMATE.start_main_~k~5 53), 23596#(<= ULTIMATE.start_main_~k~5 54), 23597#(<= ULTIMATE.start_main_~k~5 55), 23598#(<= ULTIMATE.start_main_~k~5 56), 23599#(<= ULTIMATE.start_main_~k~5 57), 23600#(<= ULTIMATE.start_main_~k~5 58), 23601#(<= ULTIMATE.start_main_~k~5 59), 23602#(<= ULTIMATE.start_main_~k~5 60), 23603#(<= ULTIMATE.start_main_~k~5 61), 23604#(<= ULTIMATE.start_main_~k~5 62), 23605#(<= ULTIMATE.start_main_~k~5 63), 23606#(<= ULTIMATE.start_main_~k~5 64), 23607#(<= ULTIMATE.start_main_~k~5 65), 23608#(<= ULTIMATE.start_main_~k~5 66), 23609#(<= ULTIMATE.start_main_~k~5 67), 23610#(<= ULTIMATE.start_main_~k~5 68), 23611#(<= ULTIMATE.start_main_~k~5 69), 23540#true, 23541#false, 23542#(<= ULTIMATE.start_main_~k~5 0), 23543#(<= ULTIMATE.start_main_~k~5 1), 23544#(<= ULTIMATE.start_main_~k~5 2), 23545#(<= ULTIMATE.start_main_~k~5 3), 23546#(<= ULTIMATE.start_main_~k~5 4), 23547#(<= ULTIMATE.start_main_~k~5 5), 23548#(<= ULTIMATE.start_main_~k~5 6), 23549#(<= ULTIMATE.start_main_~k~5 7), 23550#(<= ULTIMATE.start_main_~k~5 8), 23551#(<= ULTIMATE.start_main_~k~5 9)] [2018-07-23 13:45:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,261 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:45:27,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:45:27,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:45:27,263 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 72 states. [2018-07-23 13:45:27,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:27,366 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:45:27,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:45:27,366 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 142 [2018-07-23 13:45:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:27,368 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:45:27,368 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:45:27,368 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:45:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:45:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:45:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:45:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:45:27,373 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:45:27,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:27,374 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:45:27,374 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:45:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:45:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:45:27,375 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:27,376 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:45:27,376 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:27,376 INFO L82 PathProgramCache]: Analyzing trace with hash -112918749, now seen corresponding path program 70 times [2018-07-23 13:45:27,376 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,728 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:27,728 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:45:27,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,729 INFO L185 omatonBuilderFactory]: Interpolants [24196#true, 24197#false, 24198#(<= ULTIMATE.start_main_~k~5 0), 24199#(<= ULTIMATE.start_main_~k~5 1), 24200#(<= ULTIMATE.start_main_~k~5 2), 24201#(<= ULTIMATE.start_main_~k~5 3), 24202#(<= ULTIMATE.start_main_~k~5 4), 24203#(<= ULTIMATE.start_main_~k~5 5), 24204#(<= ULTIMATE.start_main_~k~5 6), 24205#(<= ULTIMATE.start_main_~k~5 7), 24206#(<= ULTIMATE.start_main_~k~5 8), 24207#(<= ULTIMATE.start_main_~k~5 9), 24208#(<= ULTIMATE.start_main_~k~5 10), 24209#(<= ULTIMATE.start_main_~k~5 11), 24210#(<= ULTIMATE.start_main_~k~5 12), 24211#(<= ULTIMATE.start_main_~k~5 13), 24212#(<= ULTIMATE.start_main_~k~5 14), 24213#(<= ULTIMATE.start_main_~k~5 15), 24214#(<= ULTIMATE.start_main_~k~5 16), 24215#(<= ULTIMATE.start_main_~k~5 17), 24216#(<= ULTIMATE.start_main_~k~5 18), 24217#(<= ULTIMATE.start_main_~k~5 19), 24218#(<= ULTIMATE.start_main_~k~5 20), 24219#(<= ULTIMATE.start_main_~k~5 21), 24220#(<= ULTIMATE.start_main_~k~5 22), 24221#(<= ULTIMATE.start_main_~k~5 23), 24222#(<= ULTIMATE.start_main_~k~5 24), 24223#(<= ULTIMATE.start_main_~k~5 25), 24224#(<= ULTIMATE.start_main_~k~5 26), 24225#(<= ULTIMATE.start_main_~k~5 27), 24226#(<= ULTIMATE.start_main_~k~5 28), 24227#(<= ULTIMATE.start_main_~k~5 29), 24228#(<= ULTIMATE.start_main_~k~5 30), 24229#(<= ULTIMATE.start_main_~k~5 31), 24230#(<= ULTIMATE.start_main_~k~5 32), 24231#(<= ULTIMATE.start_main_~k~5 33), 24232#(<= ULTIMATE.start_main_~k~5 34), 24233#(<= ULTIMATE.start_main_~k~5 35), 24234#(<= ULTIMATE.start_main_~k~5 36), 24235#(<= ULTIMATE.start_main_~k~5 37), 24236#(<= ULTIMATE.start_main_~k~5 38), 24237#(<= ULTIMATE.start_main_~k~5 39), 24238#(<= ULTIMATE.start_main_~k~5 40), 24239#(<= ULTIMATE.start_main_~k~5 41), 24240#(<= ULTIMATE.start_main_~k~5 42), 24241#(<= ULTIMATE.start_main_~k~5 43), 24242#(<= ULTIMATE.start_main_~k~5 44), 24243#(<= ULTIMATE.start_main_~k~5 45), 24244#(<= ULTIMATE.start_main_~k~5 46), 24245#(<= ULTIMATE.start_main_~k~5 47), 24246#(<= ULTIMATE.start_main_~k~5 48), 24247#(<= ULTIMATE.start_main_~k~5 49), 24248#(<= ULTIMATE.start_main_~k~5 50), 24249#(<= ULTIMATE.start_main_~k~5 51), 24250#(<= ULTIMATE.start_main_~k~5 52), 24251#(<= ULTIMATE.start_main_~k~5 53), 24252#(<= ULTIMATE.start_main_~k~5 54), 24253#(<= ULTIMATE.start_main_~k~5 55), 24254#(<= ULTIMATE.start_main_~k~5 56), 24255#(<= ULTIMATE.start_main_~k~5 57), 24256#(<= ULTIMATE.start_main_~k~5 58), 24257#(<= ULTIMATE.start_main_~k~5 59), 24258#(<= ULTIMATE.start_main_~k~5 60), 24259#(<= ULTIMATE.start_main_~k~5 61), 24260#(<= ULTIMATE.start_main_~k~5 62), 24261#(<= ULTIMATE.start_main_~k~5 63), 24262#(<= ULTIMATE.start_main_~k~5 64), 24263#(<= ULTIMATE.start_main_~k~5 65), 24264#(<= ULTIMATE.start_main_~k~5 66), 24265#(<= ULTIMATE.start_main_~k~5 67), 24266#(<= ULTIMATE.start_main_~k~5 68), 24267#(<= ULTIMATE.start_main_~k~5 69), 24268#(<= ULTIMATE.start_main_~k~5 70)] [2018-07-23 13:45:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:27,730 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:45:27,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:45:27,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:45:27,732 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 73 states. [2018-07-23 13:45:27,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:27,863 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:45:27,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:45:27,863 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 144 [2018-07-23 13:45:27,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:27,864 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:45:27,865 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:45:27,867 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:45:27,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:45:27,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:45:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:45:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:45:27,873 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:45:27,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:27,874 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:45:27,874 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:45:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:45:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:45:27,875 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:27,877 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:45:27,878 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:27,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1140683299, now seen corresponding path program 71 times [2018-07-23 13:45:27,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,251 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:28,252 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:45:28,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:28,252 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 13:45:28,253 INFO L185 omatonBuilderFactory]: Interpolants [24861#true, 24862#false, 24863#(<= ULTIMATE.start_main_~k~5 0), 24864#(<= ULTIMATE.start_main_~k~5 1), 24865#(<= ULTIMATE.start_main_~k~5 2), 24866#(<= ULTIMATE.start_main_~k~5 3), 24867#(<= ULTIMATE.start_main_~k~5 4), 24868#(<= ULTIMATE.start_main_~k~5 5), 24869#(<= ULTIMATE.start_main_~k~5 6), 24870#(<= ULTIMATE.start_main_~k~5 7), 24871#(<= ULTIMATE.start_main_~k~5 8), 24872#(<= ULTIMATE.start_main_~k~5 9), 24873#(<= ULTIMATE.start_main_~k~5 10), 24874#(<= ULTIMATE.start_main_~k~5 11), 24875#(<= ULTIMATE.start_main_~k~5 12), 24876#(<= ULTIMATE.start_main_~k~5 13), 24877#(<= ULTIMATE.start_main_~k~5 14), 24878#(<= ULTIMATE.start_main_~k~5 15), 24879#(<= ULTIMATE.start_main_~k~5 16), 24880#(<= ULTIMATE.start_main_~k~5 17), 24881#(<= ULTIMATE.start_main_~k~5 18), 24882#(<= ULTIMATE.start_main_~k~5 19), 24883#(<= ULTIMATE.start_main_~k~5 20), 24884#(<= ULTIMATE.start_main_~k~5 21), 24885#(<= ULTIMATE.start_main_~k~5 22), 24886#(<= ULTIMATE.start_main_~k~5 23), 24887#(<= ULTIMATE.start_main_~k~5 24), 24888#(<= ULTIMATE.start_main_~k~5 25), 24889#(<= ULTIMATE.start_main_~k~5 26), 24890#(<= ULTIMATE.start_main_~k~5 27), 24891#(<= ULTIMATE.start_main_~k~5 28), 24892#(<= ULTIMATE.start_main_~k~5 29), 24893#(<= ULTIMATE.start_main_~k~5 30), 24894#(<= ULTIMATE.start_main_~k~5 31), 24895#(<= ULTIMATE.start_main_~k~5 32), 24896#(<= ULTIMATE.start_main_~k~5 33), 24897#(<= ULTIMATE.start_main_~k~5 34), 24898#(<= ULTIMATE.start_main_~k~5 35), 24899#(<= ULTIMATE.start_main_~k~5 36), 24900#(<= ULTIMATE.start_main_~k~5 37), 24901#(<= ULTIMATE.start_main_~k~5 38), 24902#(<= ULTIMATE.start_main_~k~5 39), 24903#(<= ULTIMATE.start_main_~k~5 40), 24904#(<= ULTIMATE.start_main_~k~5 41), 24905#(<= ULTIMATE.start_main_~k~5 42), 24906#(<= ULTIMATE.start_main_~k~5 43), 24907#(<= ULTIMATE.start_main_~k~5 44), 24908#(<= ULTIMATE.start_main_~k~5 45), 24909#(<= ULTIMATE.start_main_~k~5 46), 24910#(<= ULTIMATE.start_main_~k~5 47), 24911#(<= ULTIMATE.start_main_~k~5 48), 24912#(<= ULTIMATE.start_main_~k~5 49), 24913#(<= ULTIMATE.start_main_~k~5 50), 24914#(<= ULTIMATE.start_main_~k~5 51), 24915#(<= ULTIMATE.start_main_~k~5 52), 24916#(<= ULTIMATE.start_main_~k~5 53), 24917#(<= ULTIMATE.start_main_~k~5 54), 24918#(<= ULTIMATE.start_main_~k~5 55), 24919#(<= ULTIMATE.start_main_~k~5 56), 24920#(<= ULTIMATE.start_main_~k~5 57), 24921#(<= ULTIMATE.start_main_~k~5 58), 24922#(<= ULTIMATE.start_main_~k~5 59), 24923#(<= ULTIMATE.start_main_~k~5 60), 24924#(<= ULTIMATE.start_main_~k~5 61), 24925#(<= ULTIMATE.start_main_~k~5 62), 24926#(<= ULTIMATE.start_main_~k~5 63), 24927#(<= ULTIMATE.start_main_~k~5 64), 24928#(<= ULTIMATE.start_main_~k~5 65), 24929#(<= ULTIMATE.start_main_~k~5 66), 24930#(<= ULTIMATE.start_main_~k~5 67), 24931#(<= ULTIMATE.start_main_~k~5 68), 24932#(<= ULTIMATE.start_main_~k~5 69), 24933#(<= ULTIMATE.start_main_~k~5 70), 24934#(<= ULTIMATE.start_main_~k~5 71)] [2018-07-23 13:45:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,254 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:45:28,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:45:28,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:45:28,256 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 74 states. [2018-07-23 13:45:28,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:28,387 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:45:28,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:45:28,388 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 146 [2018-07-23 13:45:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:28,389 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:45:28,389 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:45:28,390 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:45:28,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:45:28,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:45:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:45:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:45:28,396 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:45:28,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:28,396 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:45:28,396 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:45:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:45:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:45:28,398 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:28,398 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:45:28,398 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:28,398 INFO L82 PathProgramCache]: Analyzing trace with hash -979937769, now seen corresponding path program 72 times [2018-07-23 13:45:28,398 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,758 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:28,758 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:45:28,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,759 INFO L185 omatonBuilderFactory]: Interpolants [25600#(<= ULTIMATE.start_main_~k~5 63), 25601#(<= ULTIMATE.start_main_~k~5 64), 25602#(<= ULTIMATE.start_main_~k~5 65), 25603#(<= ULTIMATE.start_main_~k~5 66), 25604#(<= ULTIMATE.start_main_~k~5 67), 25605#(<= ULTIMATE.start_main_~k~5 68), 25606#(<= ULTIMATE.start_main_~k~5 69), 25607#(<= ULTIMATE.start_main_~k~5 70), 25608#(<= ULTIMATE.start_main_~k~5 71), 25609#(<= ULTIMATE.start_main_~k~5 72), 25535#true, 25536#false, 25537#(<= ULTIMATE.start_main_~k~5 0), 25538#(<= ULTIMATE.start_main_~k~5 1), 25539#(<= ULTIMATE.start_main_~k~5 2), 25540#(<= ULTIMATE.start_main_~k~5 3), 25541#(<= ULTIMATE.start_main_~k~5 4), 25542#(<= ULTIMATE.start_main_~k~5 5), 25543#(<= ULTIMATE.start_main_~k~5 6), 25544#(<= ULTIMATE.start_main_~k~5 7), 25545#(<= ULTIMATE.start_main_~k~5 8), 25546#(<= ULTIMATE.start_main_~k~5 9), 25547#(<= ULTIMATE.start_main_~k~5 10), 25548#(<= ULTIMATE.start_main_~k~5 11), 25549#(<= ULTIMATE.start_main_~k~5 12), 25550#(<= ULTIMATE.start_main_~k~5 13), 25551#(<= ULTIMATE.start_main_~k~5 14), 25552#(<= ULTIMATE.start_main_~k~5 15), 25553#(<= ULTIMATE.start_main_~k~5 16), 25554#(<= ULTIMATE.start_main_~k~5 17), 25555#(<= ULTIMATE.start_main_~k~5 18), 25556#(<= ULTIMATE.start_main_~k~5 19), 25557#(<= ULTIMATE.start_main_~k~5 20), 25558#(<= ULTIMATE.start_main_~k~5 21), 25559#(<= ULTIMATE.start_main_~k~5 22), 25560#(<= ULTIMATE.start_main_~k~5 23), 25561#(<= ULTIMATE.start_main_~k~5 24), 25562#(<= ULTIMATE.start_main_~k~5 25), 25563#(<= ULTIMATE.start_main_~k~5 26), 25564#(<= ULTIMATE.start_main_~k~5 27), 25565#(<= ULTIMATE.start_main_~k~5 28), 25566#(<= ULTIMATE.start_main_~k~5 29), 25567#(<= ULTIMATE.start_main_~k~5 30), 25568#(<= ULTIMATE.start_main_~k~5 31), 25569#(<= ULTIMATE.start_main_~k~5 32), 25570#(<= ULTIMATE.start_main_~k~5 33), 25571#(<= ULTIMATE.start_main_~k~5 34), 25572#(<= ULTIMATE.start_main_~k~5 35), 25573#(<= ULTIMATE.start_main_~k~5 36), 25574#(<= ULTIMATE.start_main_~k~5 37), 25575#(<= ULTIMATE.start_main_~k~5 38), 25576#(<= ULTIMATE.start_main_~k~5 39), 25577#(<= ULTIMATE.start_main_~k~5 40), 25578#(<= ULTIMATE.start_main_~k~5 41), 25579#(<= ULTIMATE.start_main_~k~5 42), 25580#(<= ULTIMATE.start_main_~k~5 43), 25581#(<= ULTIMATE.start_main_~k~5 44), 25582#(<= ULTIMATE.start_main_~k~5 45), 25583#(<= ULTIMATE.start_main_~k~5 46), 25584#(<= ULTIMATE.start_main_~k~5 47), 25585#(<= ULTIMATE.start_main_~k~5 48), 25586#(<= ULTIMATE.start_main_~k~5 49), 25587#(<= ULTIMATE.start_main_~k~5 50), 25588#(<= ULTIMATE.start_main_~k~5 51), 25589#(<= ULTIMATE.start_main_~k~5 52), 25590#(<= ULTIMATE.start_main_~k~5 53), 25591#(<= ULTIMATE.start_main_~k~5 54), 25592#(<= ULTIMATE.start_main_~k~5 55), 25593#(<= ULTIMATE.start_main_~k~5 56), 25594#(<= ULTIMATE.start_main_~k~5 57), 25595#(<= ULTIMATE.start_main_~k~5 58), 25596#(<= ULTIMATE.start_main_~k~5 59), 25597#(<= ULTIMATE.start_main_~k~5 60), 25598#(<= ULTIMATE.start_main_~k~5 61), 25599#(<= ULTIMATE.start_main_~k~5 62)] [2018-07-23 13:45:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:28,760 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:45:28,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:45:28,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:45:28,762 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 75 states. [2018-07-23 13:45:28,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:28,861 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:45:28,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:45:28,861 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 148 [2018-07-23 13:45:28,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:28,864 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:45:28,864 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:45:28,865 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:45:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:45:28,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:45:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:45:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:45:28,872 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:45:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:28,873 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:45:28,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:45:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:45:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:45:28,874 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:28,875 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:45:28,875 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:28,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1122306095, now seen corresponding path program 73 times [2018-07-23 13:45:28,875 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,270 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:29,270 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:45:29,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,271 INFO L185 omatonBuilderFactory]: Interpolants [26240#(<= ULTIMATE.start_main_~k~5 20), 26241#(<= ULTIMATE.start_main_~k~5 21), 26242#(<= ULTIMATE.start_main_~k~5 22), 26243#(<= ULTIMATE.start_main_~k~5 23), 26244#(<= ULTIMATE.start_main_~k~5 24), 26245#(<= ULTIMATE.start_main_~k~5 25), 26246#(<= ULTIMATE.start_main_~k~5 26), 26247#(<= ULTIMATE.start_main_~k~5 27), 26248#(<= ULTIMATE.start_main_~k~5 28), 26249#(<= ULTIMATE.start_main_~k~5 29), 26250#(<= ULTIMATE.start_main_~k~5 30), 26251#(<= ULTIMATE.start_main_~k~5 31), 26252#(<= ULTIMATE.start_main_~k~5 32), 26253#(<= ULTIMATE.start_main_~k~5 33), 26254#(<= ULTIMATE.start_main_~k~5 34), 26255#(<= ULTIMATE.start_main_~k~5 35), 26256#(<= ULTIMATE.start_main_~k~5 36), 26257#(<= ULTIMATE.start_main_~k~5 37), 26258#(<= ULTIMATE.start_main_~k~5 38), 26259#(<= ULTIMATE.start_main_~k~5 39), 26260#(<= ULTIMATE.start_main_~k~5 40), 26261#(<= ULTIMATE.start_main_~k~5 41), 26262#(<= ULTIMATE.start_main_~k~5 42), 26263#(<= ULTIMATE.start_main_~k~5 43), 26264#(<= ULTIMATE.start_main_~k~5 44), 26265#(<= ULTIMATE.start_main_~k~5 45), 26266#(<= ULTIMATE.start_main_~k~5 46), 26267#(<= ULTIMATE.start_main_~k~5 47), 26268#(<= ULTIMATE.start_main_~k~5 48), 26269#(<= ULTIMATE.start_main_~k~5 49), 26270#(<= ULTIMATE.start_main_~k~5 50), 26271#(<= ULTIMATE.start_main_~k~5 51), 26272#(<= ULTIMATE.start_main_~k~5 52), 26273#(<= ULTIMATE.start_main_~k~5 53), 26274#(<= ULTIMATE.start_main_~k~5 54), 26275#(<= ULTIMATE.start_main_~k~5 55), 26276#(<= ULTIMATE.start_main_~k~5 56), 26277#(<= ULTIMATE.start_main_~k~5 57), 26278#(<= ULTIMATE.start_main_~k~5 58), 26279#(<= ULTIMATE.start_main_~k~5 59), 26280#(<= ULTIMATE.start_main_~k~5 60), 26281#(<= ULTIMATE.start_main_~k~5 61), 26282#(<= ULTIMATE.start_main_~k~5 62), 26283#(<= ULTIMATE.start_main_~k~5 63), 26284#(<= ULTIMATE.start_main_~k~5 64), 26285#(<= ULTIMATE.start_main_~k~5 65), 26286#(<= ULTIMATE.start_main_~k~5 66), 26287#(<= ULTIMATE.start_main_~k~5 67), 26288#(<= ULTIMATE.start_main_~k~5 68), 26289#(<= ULTIMATE.start_main_~k~5 69), 26290#(<= ULTIMATE.start_main_~k~5 70), 26291#(<= ULTIMATE.start_main_~k~5 71), 26292#(<= ULTIMATE.start_main_~k~5 72), 26293#(<= ULTIMATE.start_main_~k~5 73), 26218#true, 26219#false, 26220#(<= ULTIMATE.start_main_~k~5 0), 26221#(<= ULTIMATE.start_main_~k~5 1), 26222#(<= ULTIMATE.start_main_~k~5 2), 26223#(<= ULTIMATE.start_main_~k~5 3), 26224#(<= ULTIMATE.start_main_~k~5 4), 26225#(<= ULTIMATE.start_main_~k~5 5), 26226#(<= ULTIMATE.start_main_~k~5 6), 26227#(<= ULTIMATE.start_main_~k~5 7), 26228#(<= ULTIMATE.start_main_~k~5 8), 26229#(<= ULTIMATE.start_main_~k~5 9), 26230#(<= ULTIMATE.start_main_~k~5 10), 26231#(<= ULTIMATE.start_main_~k~5 11), 26232#(<= ULTIMATE.start_main_~k~5 12), 26233#(<= ULTIMATE.start_main_~k~5 13), 26234#(<= ULTIMATE.start_main_~k~5 14), 26235#(<= ULTIMATE.start_main_~k~5 15), 26236#(<= ULTIMATE.start_main_~k~5 16), 26237#(<= ULTIMATE.start_main_~k~5 17), 26238#(<= ULTIMATE.start_main_~k~5 18), 26239#(<= ULTIMATE.start_main_~k~5 19)] [2018-07-23 13:45:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,272 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:45:29,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:45:29,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:45:29,274 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 76 states. [2018-07-23 13:45:29,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:29,372 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:45:29,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:45:29,372 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 150 [2018-07-23 13:45:29,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:29,373 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:45:29,374 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:45:29,375 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:45:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:45:29,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:45:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:45:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:45:29,380 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:45:29,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:29,380 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:45:29,380 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:45:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:45:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:45:29,382 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:29,382 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:45:29,382 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:29,382 INFO L82 PathProgramCache]: Analyzing trace with hash -499313909, now seen corresponding path program 74 times [2018-07-23 13:45:29,383 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,771 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:29,771 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:45:29,772 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,772 INFO L185 omatonBuilderFactory]: Interpolants [26910#true, 26911#false, 26912#(<= ULTIMATE.start_main_~k~5 0), 26913#(<= ULTIMATE.start_main_~k~5 1), 26914#(<= ULTIMATE.start_main_~k~5 2), 26915#(<= ULTIMATE.start_main_~k~5 3), 26916#(<= ULTIMATE.start_main_~k~5 4), 26917#(<= ULTIMATE.start_main_~k~5 5), 26918#(<= ULTIMATE.start_main_~k~5 6), 26919#(<= ULTIMATE.start_main_~k~5 7), 26920#(<= ULTIMATE.start_main_~k~5 8), 26921#(<= ULTIMATE.start_main_~k~5 9), 26922#(<= ULTIMATE.start_main_~k~5 10), 26923#(<= ULTIMATE.start_main_~k~5 11), 26924#(<= ULTIMATE.start_main_~k~5 12), 26925#(<= ULTIMATE.start_main_~k~5 13), 26926#(<= ULTIMATE.start_main_~k~5 14), 26927#(<= ULTIMATE.start_main_~k~5 15), 26928#(<= ULTIMATE.start_main_~k~5 16), 26929#(<= ULTIMATE.start_main_~k~5 17), 26930#(<= ULTIMATE.start_main_~k~5 18), 26931#(<= ULTIMATE.start_main_~k~5 19), 26932#(<= ULTIMATE.start_main_~k~5 20), 26933#(<= ULTIMATE.start_main_~k~5 21), 26934#(<= ULTIMATE.start_main_~k~5 22), 26935#(<= ULTIMATE.start_main_~k~5 23), 26936#(<= ULTIMATE.start_main_~k~5 24), 26937#(<= ULTIMATE.start_main_~k~5 25), 26938#(<= ULTIMATE.start_main_~k~5 26), 26939#(<= ULTIMATE.start_main_~k~5 27), 26940#(<= ULTIMATE.start_main_~k~5 28), 26941#(<= ULTIMATE.start_main_~k~5 29), 26942#(<= ULTIMATE.start_main_~k~5 30), 26943#(<= ULTIMATE.start_main_~k~5 31), 26944#(<= ULTIMATE.start_main_~k~5 32), 26945#(<= ULTIMATE.start_main_~k~5 33), 26946#(<= ULTIMATE.start_main_~k~5 34), 26947#(<= ULTIMATE.start_main_~k~5 35), 26948#(<= ULTIMATE.start_main_~k~5 36), 26949#(<= ULTIMATE.start_main_~k~5 37), 26950#(<= ULTIMATE.start_main_~k~5 38), 26951#(<= ULTIMATE.start_main_~k~5 39), 26952#(<= ULTIMATE.start_main_~k~5 40), 26953#(<= ULTIMATE.start_main_~k~5 41), 26954#(<= ULTIMATE.start_main_~k~5 42), 26955#(<= ULTIMATE.start_main_~k~5 43), 26956#(<= ULTIMATE.start_main_~k~5 44), 26957#(<= ULTIMATE.start_main_~k~5 45), 26958#(<= ULTIMATE.start_main_~k~5 46), 26959#(<= ULTIMATE.start_main_~k~5 47), 26960#(<= ULTIMATE.start_main_~k~5 48), 26961#(<= ULTIMATE.start_main_~k~5 49), 26962#(<= ULTIMATE.start_main_~k~5 50), 26963#(<= ULTIMATE.start_main_~k~5 51), 26964#(<= ULTIMATE.start_main_~k~5 52), 26965#(<= ULTIMATE.start_main_~k~5 53), 26966#(<= ULTIMATE.start_main_~k~5 54), 26967#(<= ULTIMATE.start_main_~k~5 55), 26968#(<= ULTIMATE.start_main_~k~5 56), 26969#(<= ULTIMATE.start_main_~k~5 57), 26970#(<= ULTIMATE.start_main_~k~5 58), 26971#(<= ULTIMATE.start_main_~k~5 59), 26972#(<= ULTIMATE.start_main_~k~5 60), 26973#(<= ULTIMATE.start_main_~k~5 61), 26974#(<= ULTIMATE.start_main_~k~5 62), 26975#(<= ULTIMATE.start_main_~k~5 63), 26976#(<= ULTIMATE.start_main_~k~5 64), 26977#(<= ULTIMATE.start_main_~k~5 65), 26978#(<= ULTIMATE.start_main_~k~5 66), 26979#(<= ULTIMATE.start_main_~k~5 67), 26980#(<= ULTIMATE.start_main_~k~5 68), 26981#(<= ULTIMATE.start_main_~k~5 69), 26982#(<= ULTIMATE.start_main_~k~5 70), 26983#(<= ULTIMATE.start_main_~k~5 71), 26984#(<= ULTIMATE.start_main_~k~5 72), 26985#(<= ULTIMATE.start_main_~k~5 73), 26986#(<= ULTIMATE.start_main_~k~5 74)] [2018-07-23 13:45:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,773 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:45:29,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:45:29,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:45:29,775 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 77 states. [2018-07-23 13:45:29,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:29,921 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:45:29,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:45:29,922 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 152 [2018-07-23 13:45:29,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:29,923 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:45:29,923 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:45:29,924 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:45:29,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:45:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:45:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:45:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:45:29,931 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:45:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:29,931 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:45:29,931 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:45:29,932 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:45:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:45:29,933 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:29,933 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:45:29,934 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:29,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1195722693, now seen corresponding path program 75 times [2018-07-23 13:45:29,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,431 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:30,431 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:45:30,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,432 INFO L185 omatonBuilderFactory]: Interpolants [27648#(<= ULTIMATE.start_main_~k~5 35), 27649#(<= ULTIMATE.start_main_~k~5 36), 27650#(<= ULTIMATE.start_main_~k~5 37), 27651#(<= ULTIMATE.start_main_~k~5 38), 27652#(<= ULTIMATE.start_main_~k~5 39), 27653#(<= ULTIMATE.start_main_~k~5 40), 27654#(<= ULTIMATE.start_main_~k~5 41), 27655#(<= ULTIMATE.start_main_~k~5 42), 27656#(<= ULTIMATE.start_main_~k~5 43), 27657#(<= ULTIMATE.start_main_~k~5 44), 27658#(<= ULTIMATE.start_main_~k~5 45), 27659#(<= ULTIMATE.start_main_~k~5 46), 27660#(<= ULTIMATE.start_main_~k~5 47), 27661#(<= ULTIMATE.start_main_~k~5 48), 27662#(<= ULTIMATE.start_main_~k~5 49), 27663#(<= ULTIMATE.start_main_~k~5 50), 27664#(<= ULTIMATE.start_main_~k~5 51), 27665#(<= ULTIMATE.start_main_~k~5 52), 27666#(<= ULTIMATE.start_main_~k~5 53), 27667#(<= ULTIMATE.start_main_~k~5 54), 27668#(<= ULTIMATE.start_main_~k~5 55), 27669#(<= ULTIMATE.start_main_~k~5 56), 27670#(<= ULTIMATE.start_main_~k~5 57), 27671#(<= ULTIMATE.start_main_~k~5 58), 27672#(<= ULTIMATE.start_main_~k~5 59), 27673#(<= ULTIMATE.start_main_~k~5 60), 27674#(<= ULTIMATE.start_main_~k~5 61), 27675#(<= ULTIMATE.start_main_~k~5 62), 27676#(<= ULTIMATE.start_main_~k~5 63), 27677#(<= ULTIMATE.start_main_~k~5 64), 27678#(<= ULTIMATE.start_main_~k~5 65), 27679#(<= ULTIMATE.start_main_~k~5 66), 27680#(<= ULTIMATE.start_main_~k~5 67), 27681#(<= ULTIMATE.start_main_~k~5 68), 27682#(<= ULTIMATE.start_main_~k~5 69), 27683#(<= ULTIMATE.start_main_~k~5 70), 27684#(<= ULTIMATE.start_main_~k~5 71), 27685#(<= ULTIMATE.start_main_~k~5 72), 27686#(<= ULTIMATE.start_main_~k~5 73), 27687#(<= ULTIMATE.start_main_~k~5 74), 27688#(<= ULTIMATE.start_main_~k~5 75), 27611#true, 27612#false, 27613#(<= ULTIMATE.start_main_~k~5 0), 27614#(<= ULTIMATE.start_main_~k~5 1), 27615#(<= ULTIMATE.start_main_~k~5 2), 27616#(<= ULTIMATE.start_main_~k~5 3), 27617#(<= ULTIMATE.start_main_~k~5 4), 27618#(<= ULTIMATE.start_main_~k~5 5), 27619#(<= ULTIMATE.start_main_~k~5 6), 27620#(<= ULTIMATE.start_main_~k~5 7), 27621#(<= ULTIMATE.start_main_~k~5 8), 27622#(<= ULTIMATE.start_main_~k~5 9), 27623#(<= ULTIMATE.start_main_~k~5 10), 27624#(<= ULTIMATE.start_main_~k~5 11), 27625#(<= ULTIMATE.start_main_~k~5 12), 27626#(<= ULTIMATE.start_main_~k~5 13), 27627#(<= ULTIMATE.start_main_~k~5 14), 27628#(<= ULTIMATE.start_main_~k~5 15), 27629#(<= ULTIMATE.start_main_~k~5 16), 27630#(<= ULTIMATE.start_main_~k~5 17), 27631#(<= ULTIMATE.start_main_~k~5 18), 27632#(<= ULTIMATE.start_main_~k~5 19), 27633#(<= ULTIMATE.start_main_~k~5 20), 27634#(<= ULTIMATE.start_main_~k~5 21), 27635#(<= ULTIMATE.start_main_~k~5 22), 27636#(<= ULTIMATE.start_main_~k~5 23), 27637#(<= ULTIMATE.start_main_~k~5 24), 27638#(<= ULTIMATE.start_main_~k~5 25), 27639#(<= ULTIMATE.start_main_~k~5 26), 27640#(<= ULTIMATE.start_main_~k~5 27), 27641#(<= ULTIMATE.start_main_~k~5 28), 27642#(<= ULTIMATE.start_main_~k~5 29), 27643#(<= ULTIMATE.start_main_~k~5 30), 27644#(<= ULTIMATE.start_main_~k~5 31), 27645#(<= ULTIMATE.start_main_~k~5 32), 27646#(<= ULTIMATE.start_main_~k~5 33), 27647#(<= ULTIMATE.start_main_~k~5 34)] [2018-07-23 13:45:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,433 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:45:30,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:45:30,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:45:30,435 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 78 states. [2018-07-23 13:45:30,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:30,518 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:45:30,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:45:30,518 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 154 [2018-07-23 13:45:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:30,520 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:45:30,520 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:45:30,521 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 13:45:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:45:30,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:45:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:45:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:45:30,527 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:45:30,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:30,527 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:45:30,528 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:45:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:45:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:45:30,529 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:30,530 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:45:30,530 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:30,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1961675265, now seen corresponding path program 76 times [2018-07-23 13:45:30,530 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,929 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:30,929 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:45:30,930 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,930 INFO L185 omatonBuilderFactory]: Interpolants [28321#true, 28322#false, 28323#(<= ULTIMATE.start_main_~k~5 0), 28324#(<= ULTIMATE.start_main_~k~5 1), 28325#(<= ULTIMATE.start_main_~k~5 2), 28326#(<= ULTIMATE.start_main_~k~5 3), 28327#(<= ULTIMATE.start_main_~k~5 4), 28328#(<= ULTIMATE.start_main_~k~5 5), 28329#(<= ULTIMATE.start_main_~k~5 6), 28330#(<= ULTIMATE.start_main_~k~5 7), 28331#(<= ULTIMATE.start_main_~k~5 8), 28332#(<= ULTIMATE.start_main_~k~5 9), 28333#(<= ULTIMATE.start_main_~k~5 10), 28334#(<= ULTIMATE.start_main_~k~5 11), 28335#(<= ULTIMATE.start_main_~k~5 12), 28336#(<= ULTIMATE.start_main_~k~5 13), 28337#(<= ULTIMATE.start_main_~k~5 14), 28338#(<= ULTIMATE.start_main_~k~5 15), 28339#(<= ULTIMATE.start_main_~k~5 16), 28340#(<= ULTIMATE.start_main_~k~5 17), 28341#(<= ULTIMATE.start_main_~k~5 18), 28342#(<= ULTIMATE.start_main_~k~5 19), 28343#(<= ULTIMATE.start_main_~k~5 20), 28344#(<= ULTIMATE.start_main_~k~5 21), 28345#(<= ULTIMATE.start_main_~k~5 22), 28346#(<= ULTIMATE.start_main_~k~5 23), 28347#(<= ULTIMATE.start_main_~k~5 24), 28348#(<= ULTIMATE.start_main_~k~5 25), 28349#(<= ULTIMATE.start_main_~k~5 26), 28350#(<= ULTIMATE.start_main_~k~5 27), 28351#(<= ULTIMATE.start_main_~k~5 28), 28352#(<= ULTIMATE.start_main_~k~5 29), 28353#(<= ULTIMATE.start_main_~k~5 30), 28354#(<= ULTIMATE.start_main_~k~5 31), 28355#(<= ULTIMATE.start_main_~k~5 32), 28356#(<= ULTIMATE.start_main_~k~5 33), 28357#(<= ULTIMATE.start_main_~k~5 34), 28358#(<= ULTIMATE.start_main_~k~5 35), 28359#(<= ULTIMATE.start_main_~k~5 36), 28360#(<= ULTIMATE.start_main_~k~5 37), 28361#(<= ULTIMATE.start_main_~k~5 38), 28362#(<= ULTIMATE.start_main_~k~5 39), 28363#(<= ULTIMATE.start_main_~k~5 40), 28364#(<= ULTIMATE.start_main_~k~5 41), 28365#(<= ULTIMATE.start_main_~k~5 42), 28366#(<= ULTIMATE.start_main_~k~5 43), 28367#(<= ULTIMATE.start_main_~k~5 44), 28368#(<= ULTIMATE.start_main_~k~5 45), 28369#(<= ULTIMATE.start_main_~k~5 46), 28370#(<= ULTIMATE.start_main_~k~5 47), 28371#(<= ULTIMATE.start_main_~k~5 48), 28372#(<= ULTIMATE.start_main_~k~5 49), 28373#(<= ULTIMATE.start_main_~k~5 50), 28374#(<= ULTIMATE.start_main_~k~5 51), 28375#(<= ULTIMATE.start_main_~k~5 52), 28376#(<= ULTIMATE.start_main_~k~5 53), 28377#(<= ULTIMATE.start_main_~k~5 54), 28378#(<= ULTIMATE.start_main_~k~5 55), 28379#(<= ULTIMATE.start_main_~k~5 56), 28380#(<= ULTIMATE.start_main_~k~5 57), 28381#(<= ULTIMATE.start_main_~k~5 58), 28382#(<= ULTIMATE.start_main_~k~5 59), 28383#(<= ULTIMATE.start_main_~k~5 60), 28384#(<= ULTIMATE.start_main_~k~5 61), 28385#(<= ULTIMATE.start_main_~k~5 62), 28386#(<= ULTIMATE.start_main_~k~5 63), 28387#(<= ULTIMATE.start_main_~k~5 64), 28388#(<= ULTIMATE.start_main_~k~5 65), 28389#(<= ULTIMATE.start_main_~k~5 66), 28390#(<= ULTIMATE.start_main_~k~5 67), 28391#(<= ULTIMATE.start_main_~k~5 68), 28392#(<= ULTIMATE.start_main_~k~5 69), 28393#(<= ULTIMATE.start_main_~k~5 70), 28394#(<= ULTIMATE.start_main_~k~5 71), 28395#(<= ULTIMATE.start_main_~k~5 72), 28396#(<= ULTIMATE.start_main_~k~5 73), 28397#(<= ULTIMATE.start_main_~k~5 74), 28398#(<= ULTIMATE.start_main_~k~5 75), 28399#(<= ULTIMATE.start_main_~k~5 76)] [2018-07-23 13:45:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:30,932 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:45:30,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:45:30,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:45:30,934 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 79 states. [2018-07-23 13:45:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:31,062 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:45:31,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:45:31,062 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 156 [2018-07-23 13:45:31,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:31,064 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:45:31,064 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:45:31,065 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:45:31,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:45:31,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:45:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:45:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:45:31,073 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:45:31,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:31,073 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:45:31,073 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:45:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:45:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:45:31,075 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:31,075 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:45:31,075 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:31,076 INFO L82 PathProgramCache]: Analyzing trace with hash 320765369, now seen corresponding path program 77 times [2018-07-23 13:45:31,076 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:31,461 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:31,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:45:31,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:31,463 INFO L185 omatonBuilderFactory]: Interpolants [29056#(<= ULTIMATE.start_main_~k~5 14), 29057#(<= ULTIMATE.start_main_~k~5 15), 29058#(<= ULTIMATE.start_main_~k~5 16), 29059#(<= ULTIMATE.start_main_~k~5 17), 29060#(<= ULTIMATE.start_main_~k~5 18), 29061#(<= ULTIMATE.start_main_~k~5 19), 29062#(<= ULTIMATE.start_main_~k~5 20), 29063#(<= ULTIMATE.start_main_~k~5 21), 29064#(<= ULTIMATE.start_main_~k~5 22), 29065#(<= ULTIMATE.start_main_~k~5 23), 29066#(<= ULTIMATE.start_main_~k~5 24), 29067#(<= ULTIMATE.start_main_~k~5 25), 29068#(<= ULTIMATE.start_main_~k~5 26), 29069#(<= ULTIMATE.start_main_~k~5 27), 29070#(<= ULTIMATE.start_main_~k~5 28), 29071#(<= ULTIMATE.start_main_~k~5 29), 29072#(<= ULTIMATE.start_main_~k~5 30), 29073#(<= ULTIMATE.start_main_~k~5 31), 29074#(<= ULTIMATE.start_main_~k~5 32), 29075#(<= ULTIMATE.start_main_~k~5 33), 29076#(<= ULTIMATE.start_main_~k~5 34), 29077#(<= ULTIMATE.start_main_~k~5 35), 29078#(<= ULTIMATE.start_main_~k~5 36), 29079#(<= ULTIMATE.start_main_~k~5 37), 29080#(<= ULTIMATE.start_main_~k~5 38), 29081#(<= ULTIMATE.start_main_~k~5 39), 29082#(<= ULTIMATE.start_main_~k~5 40), 29083#(<= ULTIMATE.start_main_~k~5 41), 29084#(<= ULTIMATE.start_main_~k~5 42), 29085#(<= ULTIMATE.start_main_~k~5 43), 29086#(<= ULTIMATE.start_main_~k~5 44), 29087#(<= ULTIMATE.start_main_~k~5 45), 29088#(<= ULTIMATE.start_main_~k~5 46), 29089#(<= ULTIMATE.start_main_~k~5 47), 29090#(<= ULTIMATE.start_main_~k~5 48), 29091#(<= ULTIMATE.start_main_~k~5 49), 29092#(<= ULTIMATE.start_main_~k~5 50), 29093#(<= ULTIMATE.start_main_~k~5 51), 29094#(<= ULTIMATE.start_main_~k~5 52), 29095#(<= ULTIMATE.start_main_~k~5 53), 29096#(<= ULTIMATE.start_main_~k~5 54), 29097#(<= ULTIMATE.start_main_~k~5 55), 29098#(<= ULTIMATE.start_main_~k~5 56), 29099#(<= ULTIMATE.start_main_~k~5 57), 29100#(<= ULTIMATE.start_main_~k~5 58), 29101#(<= ULTIMATE.start_main_~k~5 59), 29102#(<= ULTIMATE.start_main_~k~5 60), 29103#(<= ULTIMATE.start_main_~k~5 61), 29104#(<= ULTIMATE.start_main_~k~5 62), 29105#(<= ULTIMATE.start_main_~k~5 63), 29106#(<= ULTIMATE.start_main_~k~5 64), 29107#(<= ULTIMATE.start_main_~k~5 65), 29108#(<= ULTIMATE.start_main_~k~5 66), 29109#(<= ULTIMATE.start_main_~k~5 67), 29110#(<= ULTIMATE.start_main_~k~5 68), 29111#(<= ULTIMATE.start_main_~k~5 69), 29112#(<= ULTIMATE.start_main_~k~5 70), 29113#(<= ULTIMATE.start_main_~k~5 71), 29114#(<= ULTIMATE.start_main_~k~5 72), 29115#(<= ULTIMATE.start_main_~k~5 73), 29116#(<= ULTIMATE.start_main_~k~5 74), 29117#(<= ULTIMATE.start_main_~k~5 75), 29118#(<= ULTIMATE.start_main_~k~5 76), 29119#(<= ULTIMATE.start_main_~k~5 77), 29040#true, 29041#false, 29042#(<= ULTIMATE.start_main_~k~5 0), 29043#(<= ULTIMATE.start_main_~k~5 1), 29044#(<= ULTIMATE.start_main_~k~5 2), 29045#(<= ULTIMATE.start_main_~k~5 3), 29046#(<= ULTIMATE.start_main_~k~5 4), 29047#(<= ULTIMATE.start_main_~k~5 5), 29048#(<= ULTIMATE.start_main_~k~5 6), 29049#(<= ULTIMATE.start_main_~k~5 7), 29050#(<= ULTIMATE.start_main_~k~5 8), 29051#(<= ULTIMATE.start_main_~k~5 9), 29052#(<= ULTIMATE.start_main_~k~5 10), 29053#(<= ULTIMATE.start_main_~k~5 11), 29054#(<= ULTIMATE.start_main_~k~5 12), 29055#(<= ULTIMATE.start_main_~k~5 13)] [2018-07-23 13:45:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:31,464 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:45:31,465 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:45:31,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:45:31,466 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 80 states. [2018-07-23 13:45:31,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:31,613 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:45:31,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:45:31,613 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 158 [2018-07-23 13:45:31,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:31,615 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:45:31,615 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:45:31,616 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:45:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:45:31,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:45:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:45:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:45:31,625 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:45:31,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:31,626 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:45:31,626 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:45:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:45:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:45:31,628 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:31,628 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:45:31,628 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:31,628 INFO L82 PathProgramCache]: Analyzing trace with hash -982073613, now seen corresponding path program 78 times [2018-07-23 13:45:31,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,078 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:32,078 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:45:32,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:32,079 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 13:45:32,080 INFO L185 omatonBuilderFactory]: Interpolants [29824#(<= ULTIMATE.start_main_~k~5 54), 29825#(<= ULTIMATE.start_main_~k~5 55), 29826#(<= ULTIMATE.start_main_~k~5 56), 29827#(<= ULTIMATE.start_main_~k~5 57), 29828#(<= ULTIMATE.start_main_~k~5 58), 29829#(<= ULTIMATE.start_main_~k~5 59), 29830#(<= ULTIMATE.start_main_~k~5 60), 29831#(<= ULTIMATE.start_main_~k~5 61), 29832#(<= ULTIMATE.start_main_~k~5 62), 29833#(<= ULTIMATE.start_main_~k~5 63), 29834#(<= ULTIMATE.start_main_~k~5 64), 29835#(<= ULTIMATE.start_main_~k~5 65), 29836#(<= ULTIMATE.start_main_~k~5 66), 29837#(<= ULTIMATE.start_main_~k~5 67), 29838#(<= ULTIMATE.start_main_~k~5 68), 29839#(<= ULTIMATE.start_main_~k~5 69), 29840#(<= ULTIMATE.start_main_~k~5 70), 29841#(<= ULTIMATE.start_main_~k~5 71), 29842#(<= ULTIMATE.start_main_~k~5 72), 29843#(<= ULTIMATE.start_main_~k~5 73), 29844#(<= ULTIMATE.start_main_~k~5 74), 29845#(<= ULTIMATE.start_main_~k~5 75), 29846#(<= ULTIMATE.start_main_~k~5 76), 29847#(<= ULTIMATE.start_main_~k~5 77), 29848#(<= ULTIMATE.start_main_~k~5 78), 29768#true, 29769#false, 29770#(<= ULTIMATE.start_main_~k~5 0), 29771#(<= ULTIMATE.start_main_~k~5 1), 29772#(<= ULTIMATE.start_main_~k~5 2), 29773#(<= ULTIMATE.start_main_~k~5 3), 29774#(<= ULTIMATE.start_main_~k~5 4), 29775#(<= ULTIMATE.start_main_~k~5 5), 29776#(<= ULTIMATE.start_main_~k~5 6), 29777#(<= ULTIMATE.start_main_~k~5 7), 29778#(<= ULTIMATE.start_main_~k~5 8), 29779#(<= ULTIMATE.start_main_~k~5 9), 29780#(<= ULTIMATE.start_main_~k~5 10), 29781#(<= ULTIMATE.start_main_~k~5 11), 29782#(<= ULTIMATE.start_main_~k~5 12), 29783#(<= ULTIMATE.start_main_~k~5 13), 29784#(<= ULTIMATE.start_main_~k~5 14), 29785#(<= ULTIMATE.start_main_~k~5 15), 29786#(<= ULTIMATE.start_main_~k~5 16), 29787#(<= ULTIMATE.start_main_~k~5 17), 29788#(<= ULTIMATE.start_main_~k~5 18), 29789#(<= ULTIMATE.start_main_~k~5 19), 29790#(<= ULTIMATE.start_main_~k~5 20), 29791#(<= ULTIMATE.start_main_~k~5 21), 29792#(<= ULTIMATE.start_main_~k~5 22), 29793#(<= ULTIMATE.start_main_~k~5 23), 29794#(<= ULTIMATE.start_main_~k~5 24), 29795#(<= ULTIMATE.start_main_~k~5 25), 29796#(<= ULTIMATE.start_main_~k~5 26), 29797#(<= ULTIMATE.start_main_~k~5 27), 29798#(<= ULTIMATE.start_main_~k~5 28), 29799#(<= ULTIMATE.start_main_~k~5 29), 29800#(<= ULTIMATE.start_main_~k~5 30), 29801#(<= ULTIMATE.start_main_~k~5 31), 29802#(<= ULTIMATE.start_main_~k~5 32), 29803#(<= ULTIMATE.start_main_~k~5 33), 29804#(<= ULTIMATE.start_main_~k~5 34), 29805#(<= ULTIMATE.start_main_~k~5 35), 29806#(<= ULTIMATE.start_main_~k~5 36), 29807#(<= ULTIMATE.start_main_~k~5 37), 29808#(<= ULTIMATE.start_main_~k~5 38), 29809#(<= ULTIMATE.start_main_~k~5 39), 29810#(<= ULTIMATE.start_main_~k~5 40), 29811#(<= ULTIMATE.start_main_~k~5 41), 29812#(<= ULTIMATE.start_main_~k~5 42), 29813#(<= ULTIMATE.start_main_~k~5 43), 29814#(<= ULTIMATE.start_main_~k~5 44), 29815#(<= ULTIMATE.start_main_~k~5 45), 29816#(<= ULTIMATE.start_main_~k~5 46), 29817#(<= ULTIMATE.start_main_~k~5 47), 29818#(<= ULTIMATE.start_main_~k~5 48), 29819#(<= ULTIMATE.start_main_~k~5 49), 29820#(<= ULTIMATE.start_main_~k~5 50), 29821#(<= ULTIMATE.start_main_~k~5 51), 29822#(<= ULTIMATE.start_main_~k~5 52), 29823#(<= ULTIMATE.start_main_~k~5 53)] [2018-07-23 13:45:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,082 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:45:32,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:45:32,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:45:32,084 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 81 states. [2018-07-23 13:45:32,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:32,170 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:45:32,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:45:32,170 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 160 [2018-07-23 13:45:32,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:32,171 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:45:32,171 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:45:32,172 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:45:32,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:45:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:45:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:45:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:45:32,179 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:45:32,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:32,179 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:45:32,180 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:45:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:45:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:45:32,182 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:32,182 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:45:32,182 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:32,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1120115117, now seen corresponding path program 79 times [2018-07-23 13:45:32,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,618 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:32,618 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:45:32,619 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,619 INFO L185 omatonBuilderFactory]: Interpolants [30505#true, 30506#false, 30507#(<= ULTIMATE.start_main_~k~5 0), 30508#(<= ULTIMATE.start_main_~k~5 1), 30509#(<= ULTIMATE.start_main_~k~5 2), 30510#(<= ULTIMATE.start_main_~k~5 3), 30511#(<= ULTIMATE.start_main_~k~5 4), 30512#(<= ULTIMATE.start_main_~k~5 5), 30513#(<= ULTIMATE.start_main_~k~5 6), 30514#(<= ULTIMATE.start_main_~k~5 7), 30515#(<= ULTIMATE.start_main_~k~5 8), 30516#(<= ULTIMATE.start_main_~k~5 9), 30517#(<= ULTIMATE.start_main_~k~5 10), 30518#(<= ULTIMATE.start_main_~k~5 11), 30519#(<= ULTIMATE.start_main_~k~5 12), 30520#(<= ULTIMATE.start_main_~k~5 13), 30521#(<= ULTIMATE.start_main_~k~5 14), 30522#(<= ULTIMATE.start_main_~k~5 15), 30523#(<= ULTIMATE.start_main_~k~5 16), 30524#(<= ULTIMATE.start_main_~k~5 17), 30525#(<= ULTIMATE.start_main_~k~5 18), 30526#(<= ULTIMATE.start_main_~k~5 19), 30527#(<= ULTIMATE.start_main_~k~5 20), 30528#(<= ULTIMATE.start_main_~k~5 21), 30529#(<= ULTIMATE.start_main_~k~5 22), 30530#(<= ULTIMATE.start_main_~k~5 23), 30531#(<= ULTIMATE.start_main_~k~5 24), 30532#(<= ULTIMATE.start_main_~k~5 25), 30533#(<= ULTIMATE.start_main_~k~5 26), 30534#(<= ULTIMATE.start_main_~k~5 27), 30535#(<= ULTIMATE.start_main_~k~5 28), 30536#(<= ULTIMATE.start_main_~k~5 29), 30537#(<= ULTIMATE.start_main_~k~5 30), 30538#(<= ULTIMATE.start_main_~k~5 31), 30539#(<= ULTIMATE.start_main_~k~5 32), 30540#(<= ULTIMATE.start_main_~k~5 33), 30541#(<= ULTIMATE.start_main_~k~5 34), 30542#(<= ULTIMATE.start_main_~k~5 35), 30543#(<= ULTIMATE.start_main_~k~5 36), 30544#(<= ULTIMATE.start_main_~k~5 37), 30545#(<= ULTIMATE.start_main_~k~5 38), 30546#(<= ULTIMATE.start_main_~k~5 39), 30547#(<= ULTIMATE.start_main_~k~5 40), 30548#(<= ULTIMATE.start_main_~k~5 41), 30549#(<= ULTIMATE.start_main_~k~5 42), 30550#(<= ULTIMATE.start_main_~k~5 43), 30551#(<= ULTIMATE.start_main_~k~5 44), 30552#(<= ULTIMATE.start_main_~k~5 45), 30553#(<= ULTIMATE.start_main_~k~5 46), 30554#(<= ULTIMATE.start_main_~k~5 47), 30555#(<= ULTIMATE.start_main_~k~5 48), 30556#(<= ULTIMATE.start_main_~k~5 49), 30557#(<= ULTIMATE.start_main_~k~5 50), 30558#(<= ULTIMATE.start_main_~k~5 51), 30559#(<= ULTIMATE.start_main_~k~5 52), 30560#(<= ULTIMATE.start_main_~k~5 53), 30561#(<= ULTIMATE.start_main_~k~5 54), 30562#(<= ULTIMATE.start_main_~k~5 55), 30563#(<= ULTIMATE.start_main_~k~5 56), 30564#(<= ULTIMATE.start_main_~k~5 57), 30565#(<= ULTIMATE.start_main_~k~5 58), 30566#(<= ULTIMATE.start_main_~k~5 59), 30567#(<= ULTIMATE.start_main_~k~5 60), 30568#(<= ULTIMATE.start_main_~k~5 61), 30569#(<= ULTIMATE.start_main_~k~5 62), 30570#(<= ULTIMATE.start_main_~k~5 63), 30571#(<= ULTIMATE.start_main_~k~5 64), 30572#(<= ULTIMATE.start_main_~k~5 65), 30573#(<= ULTIMATE.start_main_~k~5 66), 30574#(<= ULTIMATE.start_main_~k~5 67), 30575#(<= ULTIMATE.start_main_~k~5 68), 30576#(<= ULTIMATE.start_main_~k~5 69), 30577#(<= ULTIMATE.start_main_~k~5 70), 30578#(<= ULTIMATE.start_main_~k~5 71), 30579#(<= ULTIMATE.start_main_~k~5 72), 30580#(<= ULTIMATE.start_main_~k~5 73), 30581#(<= ULTIMATE.start_main_~k~5 74), 30582#(<= ULTIMATE.start_main_~k~5 75), 30583#(<= ULTIMATE.start_main_~k~5 76), 30584#(<= ULTIMATE.start_main_~k~5 77), 30585#(<= ULTIMATE.start_main_~k~5 78), 30586#(<= ULTIMATE.start_main_~k~5 79)] [2018-07-23 13:45:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:32,622 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:45:32,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:45:32,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:45:32,624 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 82 states. [2018-07-23 13:45:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:32,773 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:45:32,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:45:32,773 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 162 [2018-07-23 13:45:32,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:32,775 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:45:32,775 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:45:32,776 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:45:32,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:45:32,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:45:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:45:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:45:32,782 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:45:32,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:32,782 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:45:32,782 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:45:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:45:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:45:32,784 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:32,784 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:45:32,784 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:32,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1606111769, now seen corresponding path program 80 times [2018-07-23 13:45:32,785 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:33,332 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:33,332 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:45:33,333 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:33,334 INFO L185 omatonBuilderFactory]: Interpolants [31251#true, 31252#false, 31253#(<= ULTIMATE.start_main_~k~5 0), 31254#(<= ULTIMATE.start_main_~k~5 1), 31255#(<= ULTIMATE.start_main_~k~5 2), 31256#(<= ULTIMATE.start_main_~k~5 3), 31257#(<= ULTIMATE.start_main_~k~5 4), 31258#(<= ULTIMATE.start_main_~k~5 5), 31259#(<= ULTIMATE.start_main_~k~5 6), 31260#(<= ULTIMATE.start_main_~k~5 7), 31261#(<= ULTIMATE.start_main_~k~5 8), 31262#(<= ULTIMATE.start_main_~k~5 9), 31263#(<= ULTIMATE.start_main_~k~5 10), 31264#(<= ULTIMATE.start_main_~k~5 11), 31265#(<= ULTIMATE.start_main_~k~5 12), 31266#(<= ULTIMATE.start_main_~k~5 13), 31267#(<= ULTIMATE.start_main_~k~5 14), 31268#(<= ULTIMATE.start_main_~k~5 15), 31269#(<= ULTIMATE.start_main_~k~5 16), 31270#(<= ULTIMATE.start_main_~k~5 17), 31271#(<= ULTIMATE.start_main_~k~5 18), 31272#(<= ULTIMATE.start_main_~k~5 19), 31273#(<= ULTIMATE.start_main_~k~5 20), 31274#(<= ULTIMATE.start_main_~k~5 21), 31275#(<= ULTIMATE.start_main_~k~5 22), 31276#(<= ULTIMATE.start_main_~k~5 23), 31277#(<= ULTIMATE.start_main_~k~5 24), 31278#(<= ULTIMATE.start_main_~k~5 25), 31279#(<= ULTIMATE.start_main_~k~5 26), 31280#(<= ULTIMATE.start_main_~k~5 27), 31281#(<= ULTIMATE.start_main_~k~5 28), 31282#(<= ULTIMATE.start_main_~k~5 29), 31283#(<= ULTIMATE.start_main_~k~5 30), 31284#(<= ULTIMATE.start_main_~k~5 31), 31285#(<= ULTIMATE.start_main_~k~5 32), 31286#(<= ULTIMATE.start_main_~k~5 33), 31287#(<= ULTIMATE.start_main_~k~5 34), 31288#(<= ULTIMATE.start_main_~k~5 35), 31289#(<= ULTIMATE.start_main_~k~5 36), 31290#(<= ULTIMATE.start_main_~k~5 37), 31291#(<= ULTIMATE.start_main_~k~5 38), 31292#(<= ULTIMATE.start_main_~k~5 39), 31293#(<= ULTIMATE.start_main_~k~5 40), 31294#(<= ULTIMATE.start_main_~k~5 41), 31295#(<= ULTIMATE.start_main_~k~5 42), 31296#(<= ULTIMATE.start_main_~k~5 43), 31297#(<= ULTIMATE.start_main_~k~5 44), 31298#(<= ULTIMATE.start_main_~k~5 45), 31299#(<= ULTIMATE.start_main_~k~5 46), 31300#(<= ULTIMATE.start_main_~k~5 47), 31301#(<= ULTIMATE.start_main_~k~5 48), 31302#(<= ULTIMATE.start_main_~k~5 49), 31303#(<= ULTIMATE.start_main_~k~5 50), 31304#(<= ULTIMATE.start_main_~k~5 51), 31305#(<= ULTIMATE.start_main_~k~5 52), 31306#(<= ULTIMATE.start_main_~k~5 53), 31307#(<= ULTIMATE.start_main_~k~5 54), 31308#(<= ULTIMATE.start_main_~k~5 55), 31309#(<= ULTIMATE.start_main_~k~5 56), 31310#(<= ULTIMATE.start_main_~k~5 57), 31311#(<= ULTIMATE.start_main_~k~5 58), 31312#(<= ULTIMATE.start_main_~k~5 59), 31313#(<= ULTIMATE.start_main_~k~5 60), 31314#(<= ULTIMATE.start_main_~k~5 61), 31315#(<= ULTIMATE.start_main_~k~5 62), 31316#(<= ULTIMATE.start_main_~k~5 63), 31317#(<= ULTIMATE.start_main_~k~5 64), 31318#(<= ULTIMATE.start_main_~k~5 65), 31319#(<= ULTIMATE.start_main_~k~5 66), 31320#(<= ULTIMATE.start_main_~k~5 67), 31321#(<= ULTIMATE.start_main_~k~5 68), 31322#(<= ULTIMATE.start_main_~k~5 69), 31323#(<= ULTIMATE.start_main_~k~5 70), 31324#(<= ULTIMATE.start_main_~k~5 71), 31325#(<= ULTIMATE.start_main_~k~5 72), 31326#(<= ULTIMATE.start_main_~k~5 73), 31327#(<= ULTIMATE.start_main_~k~5 74), 31328#(<= ULTIMATE.start_main_~k~5 75), 31329#(<= ULTIMATE.start_main_~k~5 76), 31330#(<= ULTIMATE.start_main_~k~5 77), 31331#(<= ULTIMATE.start_main_~k~5 78), 31332#(<= ULTIMATE.start_main_~k~5 79), 31333#(<= ULTIMATE.start_main_~k~5 80)] [2018-07-23 13:45:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:33,335 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:45:33,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:45:33,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:45:33,337 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 83 states. [2018-07-23 13:45:33,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:33,515 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:45:33,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:45:33,515 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 164 [2018-07-23 13:45:33,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:33,516 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:45:33,517 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:45:33,518 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:45:33,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:45:33,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:45:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:45:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:45:33,525 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:45:33,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:33,526 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:45:33,526 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:45:33,526 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:45:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:45:33,528 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:33,528 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:45:33,529 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:33,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1580098655, now seen corresponding path program 81 times [2018-07-23 13:45:33,529 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:33,999 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:33,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:45:34,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,000 INFO L185 omatonBuilderFactory]: Interpolants [32006#true, 32007#false, 32008#(<= ULTIMATE.start_main_~k~5 0), 32009#(<= ULTIMATE.start_main_~k~5 1), 32010#(<= ULTIMATE.start_main_~k~5 2), 32011#(<= ULTIMATE.start_main_~k~5 3), 32012#(<= ULTIMATE.start_main_~k~5 4), 32013#(<= ULTIMATE.start_main_~k~5 5), 32014#(<= ULTIMATE.start_main_~k~5 6), 32015#(<= ULTIMATE.start_main_~k~5 7), 32016#(<= ULTIMATE.start_main_~k~5 8), 32017#(<= ULTIMATE.start_main_~k~5 9), 32018#(<= ULTIMATE.start_main_~k~5 10), 32019#(<= ULTIMATE.start_main_~k~5 11), 32020#(<= ULTIMATE.start_main_~k~5 12), 32021#(<= ULTIMATE.start_main_~k~5 13), 32022#(<= ULTIMATE.start_main_~k~5 14), 32023#(<= ULTIMATE.start_main_~k~5 15), 32024#(<= ULTIMATE.start_main_~k~5 16), 32025#(<= ULTIMATE.start_main_~k~5 17), 32026#(<= ULTIMATE.start_main_~k~5 18), 32027#(<= ULTIMATE.start_main_~k~5 19), 32028#(<= ULTIMATE.start_main_~k~5 20), 32029#(<= ULTIMATE.start_main_~k~5 21), 32030#(<= ULTIMATE.start_main_~k~5 22), 32031#(<= ULTIMATE.start_main_~k~5 23), 32032#(<= ULTIMATE.start_main_~k~5 24), 32033#(<= ULTIMATE.start_main_~k~5 25), 32034#(<= ULTIMATE.start_main_~k~5 26), 32035#(<= ULTIMATE.start_main_~k~5 27), 32036#(<= ULTIMATE.start_main_~k~5 28), 32037#(<= ULTIMATE.start_main_~k~5 29), 32038#(<= ULTIMATE.start_main_~k~5 30), 32039#(<= ULTIMATE.start_main_~k~5 31), 32040#(<= ULTIMATE.start_main_~k~5 32), 32041#(<= ULTIMATE.start_main_~k~5 33), 32042#(<= ULTIMATE.start_main_~k~5 34), 32043#(<= ULTIMATE.start_main_~k~5 35), 32044#(<= ULTIMATE.start_main_~k~5 36), 32045#(<= ULTIMATE.start_main_~k~5 37), 32046#(<= ULTIMATE.start_main_~k~5 38), 32047#(<= ULTIMATE.start_main_~k~5 39), 32048#(<= ULTIMATE.start_main_~k~5 40), 32049#(<= ULTIMATE.start_main_~k~5 41), 32050#(<= ULTIMATE.start_main_~k~5 42), 32051#(<= ULTIMATE.start_main_~k~5 43), 32052#(<= ULTIMATE.start_main_~k~5 44), 32053#(<= ULTIMATE.start_main_~k~5 45), 32054#(<= ULTIMATE.start_main_~k~5 46), 32055#(<= ULTIMATE.start_main_~k~5 47), 32056#(<= ULTIMATE.start_main_~k~5 48), 32057#(<= ULTIMATE.start_main_~k~5 49), 32058#(<= ULTIMATE.start_main_~k~5 50), 32059#(<= ULTIMATE.start_main_~k~5 51), 32060#(<= ULTIMATE.start_main_~k~5 52), 32061#(<= ULTIMATE.start_main_~k~5 53), 32062#(<= ULTIMATE.start_main_~k~5 54), 32063#(<= ULTIMATE.start_main_~k~5 55), 32064#(<= ULTIMATE.start_main_~k~5 56), 32065#(<= ULTIMATE.start_main_~k~5 57), 32066#(<= ULTIMATE.start_main_~k~5 58), 32067#(<= ULTIMATE.start_main_~k~5 59), 32068#(<= ULTIMATE.start_main_~k~5 60), 32069#(<= ULTIMATE.start_main_~k~5 61), 32070#(<= ULTIMATE.start_main_~k~5 62), 32071#(<= ULTIMATE.start_main_~k~5 63), 32072#(<= ULTIMATE.start_main_~k~5 64), 32073#(<= ULTIMATE.start_main_~k~5 65), 32074#(<= ULTIMATE.start_main_~k~5 66), 32075#(<= ULTIMATE.start_main_~k~5 67), 32076#(<= ULTIMATE.start_main_~k~5 68), 32077#(<= ULTIMATE.start_main_~k~5 69), 32078#(<= ULTIMATE.start_main_~k~5 70), 32079#(<= ULTIMATE.start_main_~k~5 71), 32080#(<= ULTIMATE.start_main_~k~5 72), 32081#(<= ULTIMATE.start_main_~k~5 73), 32082#(<= ULTIMATE.start_main_~k~5 74), 32083#(<= ULTIMATE.start_main_~k~5 75), 32084#(<= ULTIMATE.start_main_~k~5 76), 32085#(<= ULTIMATE.start_main_~k~5 77), 32086#(<= ULTIMATE.start_main_~k~5 78), 32087#(<= ULTIMATE.start_main_~k~5 79), 32088#(<= ULTIMATE.start_main_~k~5 80), 32089#(<= ULTIMATE.start_main_~k~5 81)] [2018-07-23 13:45:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,001 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:45:34,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:45:34,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:45:34,004 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 84 states. [2018-07-23 13:45:34,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:34,191 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:45:34,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:45:34,191 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 166 [2018-07-23 13:45:34,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:34,192 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:45:34,193 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:45:34,194 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:45:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:45:34,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:45:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:45:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:45:34,199 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:45:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:34,200 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:45:34,200 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:45:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:45:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:45:34,201 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:34,202 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:45:34,202 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:34,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1943667419, now seen corresponding path program 82 times [2018-07-23 13:45:34,202 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,615 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:34,615 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:45:34,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,616 INFO L185 omatonBuilderFactory]: Interpolants [32770#true, 32771#false, 32772#(<= ULTIMATE.start_main_~k~5 0), 32773#(<= ULTIMATE.start_main_~k~5 1), 32774#(<= ULTIMATE.start_main_~k~5 2), 32775#(<= ULTIMATE.start_main_~k~5 3), 32776#(<= ULTIMATE.start_main_~k~5 4), 32777#(<= ULTIMATE.start_main_~k~5 5), 32778#(<= ULTIMATE.start_main_~k~5 6), 32779#(<= ULTIMATE.start_main_~k~5 7), 32780#(<= ULTIMATE.start_main_~k~5 8), 32781#(<= ULTIMATE.start_main_~k~5 9), 32782#(<= ULTIMATE.start_main_~k~5 10), 32783#(<= ULTIMATE.start_main_~k~5 11), 32784#(<= ULTIMATE.start_main_~k~5 12), 32785#(<= ULTIMATE.start_main_~k~5 13), 32786#(<= ULTIMATE.start_main_~k~5 14), 32787#(<= ULTIMATE.start_main_~k~5 15), 32788#(<= ULTIMATE.start_main_~k~5 16), 32789#(<= ULTIMATE.start_main_~k~5 17), 32790#(<= ULTIMATE.start_main_~k~5 18), 32791#(<= ULTIMATE.start_main_~k~5 19), 32792#(<= ULTIMATE.start_main_~k~5 20), 32793#(<= ULTIMATE.start_main_~k~5 21), 32794#(<= ULTIMATE.start_main_~k~5 22), 32795#(<= ULTIMATE.start_main_~k~5 23), 32796#(<= ULTIMATE.start_main_~k~5 24), 32797#(<= ULTIMATE.start_main_~k~5 25), 32798#(<= ULTIMATE.start_main_~k~5 26), 32799#(<= ULTIMATE.start_main_~k~5 27), 32800#(<= ULTIMATE.start_main_~k~5 28), 32801#(<= ULTIMATE.start_main_~k~5 29), 32802#(<= ULTIMATE.start_main_~k~5 30), 32803#(<= ULTIMATE.start_main_~k~5 31), 32804#(<= ULTIMATE.start_main_~k~5 32), 32805#(<= ULTIMATE.start_main_~k~5 33), 32806#(<= ULTIMATE.start_main_~k~5 34), 32807#(<= ULTIMATE.start_main_~k~5 35), 32808#(<= ULTIMATE.start_main_~k~5 36), 32809#(<= ULTIMATE.start_main_~k~5 37), 32810#(<= ULTIMATE.start_main_~k~5 38), 32811#(<= ULTIMATE.start_main_~k~5 39), 32812#(<= ULTIMATE.start_main_~k~5 40), 32813#(<= ULTIMATE.start_main_~k~5 41), 32814#(<= ULTIMATE.start_main_~k~5 42), 32815#(<= ULTIMATE.start_main_~k~5 43), 32816#(<= ULTIMATE.start_main_~k~5 44), 32817#(<= ULTIMATE.start_main_~k~5 45), 32818#(<= ULTIMATE.start_main_~k~5 46), 32819#(<= ULTIMATE.start_main_~k~5 47), 32820#(<= ULTIMATE.start_main_~k~5 48), 32821#(<= ULTIMATE.start_main_~k~5 49), 32822#(<= ULTIMATE.start_main_~k~5 50), 32823#(<= ULTIMATE.start_main_~k~5 51), 32824#(<= ULTIMATE.start_main_~k~5 52), 32825#(<= ULTIMATE.start_main_~k~5 53), 32826#(<= ULTIMATE.start_main_~k~5 54), 32827#(<= ULTIMATE.start_main_~k~5 55), 32828#(<= ULTIMATE.start_main_~k~5 56), 32829#(<= ULTIMATE.start_main_~k~5 57), 32830#(<= ULTIMATE.start_main_~k~5 58), 32831#(<= ULTIMATE.start_main_~k~5 59), 32832#(<= ULTIMATE.start_main_~k~5 60), 32833#(<= ULTIMATE.start_main_~k~5 61), 32834#(<= ULTIMATE.start_main_~k~5 62), 32835#(<= ULTIMATE.start_main_~k~5 63), 32836#(<= ULTIMATE.start_main_~k~5 64), 32837#(<= ULTIMATE.start_main_~k~5 65), 32838#(<= ULTIMATE.start_main_~k~5 66), 32839#(<= ULTIMATE.start_main_~k~5 67), 32840#(<= ULTIMATE.start_main_~k~5 68), 32841#(<= ULTIMATE.start_main_~k~5 69), 32842#(<= ULTIMATE.start_main_~k~5 70), 32843#(<= ULTIMATE.start_main_~k~5 71), 32844#(<= ULTIMATE.start_main_~k~5 72), 32845#(<= ULTIMATE.start_main_~k~5 73), 32846#(<= ULTIMATE.start_main_~k~5 74), 32847#(<= ULTIMATE.start_main_~k~5 75), 32848#(<= ULTIMATE.start_main_~k~5 76), 32849#(<= ULTIMATE.start_main_~k~5 77), 32850#(<= ULTIMATE.start_main_~k~5 78), 32851#(<= ULTIMATE.start_main_~k~5 79), 32852#(<= ULTIMATE.start_main_~k~5 80), 32853#(<= ULTIMATE.start_main_~k~5 81), 32854#(<= ULTIMATE.start_main_~k~5 82)] [2018-07-23 13:45:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,617 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:45:34,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:45:34,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:45:34,619 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 85 states. [2018-07-23 13:45:34,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:34,800 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:45:34,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:45:34,800 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 168 [2018-07-23 13:45:34,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:34,802 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:45:34,802 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:45:34,803 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 13:45:34,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:45:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:45:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:45:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:45:34,809 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:45:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:34,809 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:45:34,809 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:45:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:45:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:45:34,811 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:34,811 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:45:34,811 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:34,812 INFO L82 PathProgramCache]: Analyzing trace with hash -446332011, now seen corresponding path program 83 times [2018-07-23 13:45:34,812 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,225 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:35,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:45:35,225 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,226 INFO L185 omatonBuilderFactory]: Interpolants [33543#true, 33544#false, 33545#(<= ULTIMATE.start_main_~k~5 0), 33546#(<= ULTIMATE.start_main_~k~5 1), 33547#(<= ULTIMATE.start_main_~k~5 2), 33548#(<= ULTIMATE.start_main_~k~5 3), 33549#(<= ULTIMATE.start_main_~k~5 4), 33550#(<= ULTIMATE.start_main_~k~5 5), 33551#(<= ULTIMATE.start_main_~k~5 6), 33552#(<= ULTIMATE.start_main_~k~5 7), 33553#(<= ULTIMATE.start_main_~k~5 8), 33554#(<= ULTIMATE.start_main_~k~5 9), 33555#(<= ULTIMATE.start_main_~k~5 10), 33556#(<= ULTIMATE.start_main_~k~5 11), 33557#(<= ULTIMATE.start_main_~k~5 12), 33558#(<= ULTIMATE.start_main_~k~5 13), 33559#(<= ULTIMATE.start_main_~k~5 14), 33560#(<= ULTIMATE.start_main_~k~5 15), 33561#(<= ULTIMATE.start_main_~k~5 16), 33562#(<= ULTIMATE.start_main_~k~5 17), 33563#(<= ULTIMATE.start_main_~k~5 18), 33564#(<= ULTIMATE.start_main_~k~5 19), 33565#(<= ULTIMATE.start_main_~k~5 20), 33566#(<= ULTIMATE.start_main_~k~5 21), 33567#(<= ULTIMATE.start_main_~k~5 22), 33568#(<= ULTIMATE.start_main_~k~5 23), 33569#(<= ULTIMATE.start_main_~k~5 24), 33570#(<= ULTIMATE.start_main_~k~5 25), 33571#(<= ULTIMATE.start_main_~k~5 26), 33572#(<= ULTIMATE.start_main_~k~5 27), 33573#(<= ULTIMATE.start_main_~k~5 28), 33574#(<= ULTIMATE.start_main_~k~5 29), 33575#(<= ULTIMATE.start_main_~k~5 30), 33576#(<= ULTIMATE.start_main_~k~5 31), 33577#(<= ULTIMATE.start_main_~k~5 32), 33578#(<= ULTIMATE.start_main_~k~5 33), 33579#(<= ULTIMATE.start_main_~k~5 34), 33580#(<= ULTIMATE.start_main_~k~5 35), 33581#(<= ULTIMATE.start_main_~k~5 36), 33582#(<= ULTIMATE.start_main_~k~5 37), 33583#(<= ULTIMATE.start_main_~k~5 38), 33584#(<= ULTIMATE.start_main_~k~5 39), 33585#(<= ULTIMATE.start_main_~k~5 40), 33586#(<= ULTIMATE.start_main_~k~5 41), 33587#(<= ULTIMATE.start_main_~k~5 42), 33588#(<= ULTIMATE.start_main_~k~5 43), 33589#(<= ULTIMATE.start_main_~k~5 44), 33590#(<= ULTIMATE.start_main_~k~5 45), 33591#(<= ULTIMATE.start_main_~k~5 46), 33592#(<= ULTIMATE.start_main_~k~5 47), 33593#(<= ULTIMATE.start_main_~k~5 48), 33594#(<= ULTIMATE.start_main_~k~5 49), 33595#(<= ULTIMATE.start_main_~k~5 50), 33596#(<= ULTIMATE.start_main_~k~5 51), 33597#(<= ULTIMATE.start_main_~k~5 52), 33598#(<= ULTIMATE.start_main_~k~5 53), 33599#(<= ULTIMATE.start_main_~k~5 54), 33600#(<= ULTIMATE.start_main_~k~5 55), 33601#(<= ULTIMATE.start_main_~k~5 56), 33602#(<= ULTIMATE.start_main_~k~5 57), 33603#(<= ULTIMATE.start_main_~k~5 58), 33604#(<= ULTIMATE.start_main_~k~5 59), 33605#(<= ULTIMATE.start_main_~k~5 60), 33606#(<= ULTIMATE.start_main_~k~5 61), 33607#(<= ULTIMATE.start_main_~k~5 62), 33608#(<= ULTIMATE.start_main_~k~5 63), 33609#(<= ULTIMATE.start_main_~k~5 64), 33610#(<= ULTIMATE.start_main_~k~5 65), 33611#(<= ULTIMATE.start_main_~k~5 66), 33612#(<= ULTIMATE.start_main_~k~5 67), 33613#(<= ULTIMATE.start_main_~k~5 68), 33614#(<= ULTIMATE.start_main_~k~5 69), 33615#(<= ULTIMATE.start_main_~k~5 70), 33616#(<= ULTIMATE.start_main_~k~5 71), 33617#(<= ULTIMATE.start_main_~k~5 72), 33618#(<= ULTIMATE.start_main_~k~5 73), 33619#(<= ULTIMATE.start_main_~k~5 74), 33620#(<= ULTIMATE.start_main_~k~5 75), 33621#(<= ULTIMATE.start_main_~k~5 76), 33622#(<= ULTIMATE.start_main_~k~5 77), 33623#(<= ULTIMATE.start_main_~k~5 78), 33624#(<= ULTIMATE.start_main_~k~5 79), 33625#(<= ULTIMATE.start_main_~k~5 80), 33626#(<= ULTIMATE.start_main_~k~5 81), 33627#(<= ULTIMATE.start_main_~k~5 82), 33628#(<= ULTIMATE.start_main_~k~5 83)] [2018-07-23 13:45:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,227 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:45:35,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:45:35,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:45:35,228 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 86 states. [2018-07-23 13:45:35,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:35,416 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:45:35,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:45:35,417 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 170 [2018-07-23 13:45:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:35,418 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:45:35,418 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:45:35,420 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:45:35,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:45:35,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:45:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:45:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:45:35,425 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:45:35,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:35,426 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:45:35,426 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:45:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:45:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:45:35,427 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:35,428 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:45:35,428 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:35,428 INFO L82 PathProgramCache]: Analyzing trace with hash 571719119, now seen corresponding path program 84 times [2018-07-23 13:45:35,428 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,882 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:35,882 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:45:35,882 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,883 INFO L185 omatonBuilderFactory]: Interpolants [34325#true, 34326#false, 34327#(<= ULTIMATE.start_main_~k~5 0), 34328#(<= ULTIMATE.start_main_~k~5 1), 34329#(<= ULTIMATE.start_main_~k~5 2), 34330#(<= ULTIMATE.start_main_~k~5 3), 34331#(<= ULTIMATE.start_main_~k~5 4), 34332#(<= ULTIMATE.start_main_~k~5 5), 34333#(<= ULTIMATE.start_main_~k~5 6), 34334#(<= ULTIMATE.start_main_~k~5 7), 34335#(<= ULTIMATE.start_main_~k~5 8), 34336#(<= ULTIMATE.start_main_~k~5 9), 34337#(<= ULTIMATE.start_main_~k~5 10), 34338#(<= ULTIMATE.start_main_~k~5 11), 34339#(<= ULTIMATE.start_main_~k~5 12), 34340#(<= ULTIMATE.start_main_~k~5 13), 34341#(<= ULTIMATE.start_main_~k~5 14), 34342#(<= ULTIMATE.start_main_~k~5 15), 34343#(<= ULTIMATE.start_main_~k~5 16), 34344#(<= ULTIMATE.start_main_~k~5 17), 34345#(<= ULTIMATE.start_main_~k~5 18), 34346#(<= ULTIMATE.start_main_~k~5 19), 34347#(<= ULTIMATE.start_main_~k~5 20), 34348#(<= ULTIMATE.start_main_~k~5 21), 34349#(<= ULTIMATE.start_main_~k~5 22), 34350#(<= ULTIMATE.start_main_~k~5 23), 34351#(<= ULTIMATE.start_main_~k~5 24), 34352#(<= ULTIMATE.start_main_~k~5 25), 34353#(<= ULTIMATE.start_main_~k~5 26), 34354#(<= ULTIMATE.start_main_~k~5 27), 34355#(<= ULTIMATE.start_main_~k~5 28), 34356#(<= ULTIMATE.start_main_~k~5 29), 34357#(<= ULTIMATE.start_main_~k~5 30), 34358#(<= ULTIMATE.start_main_~k~5 31), 34359#(<= ULTIMATE.start_main_~k~5 32), 34360#(<= ULTIMATE.start_main_~k~5 33), 34361#(<= ULTIMATE.start_main_~k~5 34), 34362#(<= ULTIMATE.start_main_~k~5 35), 34363#(<= ULTIMATE.start_main_~k~5 36), 34364#(<= ULTIMATE.start_main_~k~5 37), 34365#(<= ULTIMATE.start_main_~k~5 38), 34366#(<= ULTIMATE.start_main_~k~5 39), 34367#(<= ULTIMATE.start_main_~k~5 40), 34368#(<= ULTIMATE.start_main_~k~5 41), 34369#(<= ULTIMATE.start_main_~k~5 42), 34370#(<= ULTIMATE.start_main_~k~5 43), 34371#(<= ULTIMATE.start_main_~k~5 44), 34372#(<= ULTIMATE.start_main_~k~5 45), 34373#(<= ULTIMATE.start_main_~k~5 46), 34374#(<= ULTIMATE.start_main_~k~5 47), 34375#(<= ULTIMATE.start_main_~k~5 48), 34376#(<= ULTIMATE.start_main_~k~5 49), 34377#(<= ULTIMATE.start_main_~k~5 50), 34378#(<= ULTIMATE.start_main_~k~5 51), 34379#(<= ULTIMATE.start_main_~k~5 52), 34380#(<= ULTIMATE.start_main_~k~5 53), 34381#(<= ULTIMATE.start_main_~k~5 54), 34382#(<= ULTIMATE.start_main_~k~5 55), 34383#(<= ULTIMATE.start_main_~k~5 56), 34384#(<= ULTIMATE.start_main_~k~5 57), 34385#(<= ULTIMATE.start_main_~k~5 58), 34386#(<= ULTIMATE.start_main_~k~5 59), 34387#(<= ULTIMATE.start_main_~k~5 60), 34388#(<= ULTIMATE.start_main_~k~5 61), 34389#(<= ULTIMATE.start_main_~k~5 62), 34390#(<= ULTIMATE.start_main_~k~5 63), 34391#(<= ULTIMATE.start_main_~k~5 64), 34392#(<= ULTIMATE.start_main_~k~5 65), 34393#(<= ULTIMATE.start_main_~k~5 66), 34394#(<= ULTIMATE.start_main_~k~5 67), 34395#(<= ULTIMATE.start_main_~k~5 68), 34396#(<= ULTIMATE.start_main_~k~5 69), 34397#(<= ULTIMATE.start_main_~k~5 70), 34398#(<= ULTIMATE.start_main_~k~5 71), 34399#(<= ULTIMATE.start_main_~k~5 72), 34400#(<= ULTIMATE.start_main_~k~5 73), 34401#(<= ULTIMATE.start_main_~k~5 74), 34402#(<= ULTIMATE.start_main_~k~5 75), 34403#(<= ULTIMATE.start_main_~k~5 76), 34404#(<= ULTIMATE.start_main_~k~5 77), 34405#(<= ULTIMATE.start_main_~k~5 78), 34406#(<= ULTIMATE.start_main_~k~5 79), 34407#(<= ULTIMATE.start_main_~k~5 80), 34408#(<= ULTIMATE.start_main_~k~5 81), 34409#(<= ULTIMATE.start_main_~k~5 82), 34410#(<= ULTIMATE.start_main_~k~5 83), 34411#(<= ULTIMATE.start_main_~k~5 84)] [2018-07-23 13:45:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:35,884 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:45:35,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:45:35,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:45:35,886 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 87 states. [2018-07-23 13:45:36,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:36,059 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:45:36,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:45:36,059 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 172 [2018-07-23 13:45:36,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:36,061 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:45:36,061 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:45:36,062 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:45:36,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:45:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:45:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:45:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:45:36,068 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:45:36,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:36,068 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:45:36,069 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:45:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:45:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:45:36,071 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:36,071 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:45:36,072 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:36,072 INFO L82 PathProgramCache]: Analyzing trace with hash -333688439, now seen corresponding path program 85 times [2018-07-23 13:45:36,072 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,545 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:36,545 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:45:36,545 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,546 INFO L185 omatonBuilderFactory]: Interpolants [35200#(<= ULTIMATE.start_main_~k~5 82), 35201#(<= ULTIMATE.start_main_~k~5 83), 35202#(<= ULTIMATE.start_main_~k~5 84), 35203#(<= ULTIMATE.start_main_~k~5 85), 35116#true, 35117#false, 35118#(<= ULTIMATE.start_main_~k~5 0), 35119#(<= ULTIMATE.start_main_~k~5 1), 35120#(<= ULTIMATE.start_main_~k~5 2), 35121#(<= ULTIMATE.start_main_~k~5 3), 35122#(<= ULTIMATE.start_main_~k~5 4), 35123#(<= ULTIMATE.start_main_~k~5 5), 35124#(<= ULTIMATE.start_main_~k~5 6), 35125#(<= ULTIMATE.start_main_~k~5 7), 35126#(<= ULTIMATE.start_main_~k~5 8), 35127#(<= ULTIMATE.start_main_~k~5 9), 35128#(<= ULTIMATE.start_main_~k~5 10), 35129#(<= ULTIMATE.start_main_~k~5 11), 35130#(<= ULTIMATE.start_main_~k~5 12), 35131#(<= ULTIMATE.start_main_~k~5 13), 35132#(<= ULTIMATE.start_main_~k~5 14), 35133#(<= ULTIMATE.start_main_~k~5 15), 35134#(<= ULTIMATE.start_main_~k~5 16), 35135#(<= ULTIMATE.start_main_~k~5 17), 35136#(<= ULTIMATE.start_main_~k~5 18), 35137#(<= ULTIMATE.start_main_~k~5 19), 35138#(<= ULTIMATE.start_main_~k~5 20), 35139#(<= ULTIMATE.start_main_~k~5 21), 35140#(<= ULTIMATE.start_main_~k~5 22), 35141#(<= ULTIMATE.start_main_~k~5 23), 35142#(<= ULTIMATE.start_main_~k~5 24), 35143#(<= ULTIMATE.start_main_~k~5 25), 35144#(<= ULTIMATE.start_main_~k~5 26), 35145#(<= ULTIMATE.start_main_~k~5 27), 35146#(<= ULTIMATE.start_main_~k~5 28), 35147#(<= ULTIMATE.start_main_~k~5 29), 35148#(<= ULTIMATE.start_main_~k~5 30), 35149#(<= ULTIMATE.start_main_~k~5 31), 35150#(<= ULTIMATE.start_main_~k~5 32), 35151#(<= ULTIMATE.start_main_~k~5 33), 35152#(<= ULTIMATE.start_main_~k~5 34), 35153#(<= ULTIMATE.start_main_~k~5 35), 35154#(<= ULTIMATE.start_main_~k~5 36), 35155#(<= ULTIMATE.start_main_~k~5 37), 35156#(<= ULTIMATE.start_main_~k~5 38), 35157#(<= ULTIMATE.start_main_~k~5 39), 35158#(<= ULTIMATE.start_main_~k~5 40), 35159#(<= ULTIMATE.start_main_~k~5 41), 35160#(<= ULTIMATE.start_main_~k~5 42), 35161#(<= ULTIMATE.start_main_~k~5 43), 35162#(<= ULTIMATE.start_main_~k~5 44), 35163#(<= ULTIMATE.start_main_~k~5 45), 35164#(<= ULTIMATE.start_main_~k~5 46), 35165#(<= ULTIMATE.start_main_~k~5 47), 35166#(<= ULTIMATE.start_main_~k~5 48), 35167#(<= ULTIMATE.start_main_~k~5 49), 35168#(<= ULTIMATE.start_main_~k~5 50), 35169#(<= ULTIMATE.start_main_~k~5 51), 35170#(<= ULTIMATE.start_main_~k~5 52), 35171#(<= ULTIMATE.start_main_~k~5 53), 35172#(<= ULTIMATE.start_main_~k~5 54), 35173#(<= ULTIMATE.start_main_~k~5 55), 35174#(<= ULTIMATE.start_main_~k~5 56), 35175#(<= ULTIMATE.start_main_~k~5 57), 35176#(<= ULTIMATE.start_main_~k~5 58), 35177#(<= ULTIMATE.start_main_~k~5 59), 35178#(<= ULTIMATE.start_main_~k~5 60), 35179#(<= ULTIMATE.start_main_~k~5 61), 35180#(<= ULTIMATE.start_main_~k~5 62), 35181#(<= ULTIMATE.start_main_~k~5 63), 35182#(<= ULTIMATE.start_main_~k~5 64), 35183#(<= ULTIMATE.start_main_~k~5 65), 35184#(<= ULTIMATE.start_main_~k~5 66), 35185#(<= ULTIMATE.start_main_~k~5 67), 35186#(<= ULTIMATE.start_main_~k~5 68), 35187#(<= ULTIMATE.start_main_~k~5 69), 35188#(<= ULTIMATE.start_main_~k~5 70), 35189#(<= ULTIMATE.start_main_~k~5 71), 35190#(<= ULTIMATE.start_main_~k~5 72), 35191#(<= ULTIMATE.start_main_~k~5 73), 35192#(<= ULTIMATE.start_main_~k~5 74), 35193#(<= ULTIMATE.start_main_~k~5 75), 35194#(<= ULTIMATE.start_main_~k~5 76), 35195#(<= ULTIMATE.start_main_~k~5 77), 35196#(<= ULTIMATE.start_main_~k~5 78), 35197#(<= ULTIMATE.start_main_~k~5 79), 35198#(<= ULTIMATE.start_main_~k~5 80), 35199#(<= ULTIMATE.start_main_~k~5 81)] [2018-07-23 13:45:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:36,547 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:45:36,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:45:36,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:45:36,550 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 88 states. [2018-07-23 13:45:36,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:36,689 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:45:36,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:45:36,689 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 174 [2018-07-23 13:45:36,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:36,691 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:45:36,691 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:45:36,692 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:45:36,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:45:36,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:45:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:45:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:45:36,697 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:45:36,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:36,698 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:45:36,698 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:45:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:45:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:45:36,700 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:36,700 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:45:36,700 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:36,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1448009411, now seen corresponding path program 86 times [2018-07-23 13:45:36,701 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,213 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:37,214 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:45:37,214 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,214 INFO L185 omatonBuilderFactory]: Interpolants [35968#(<= ULTIMATE.start_main_~k~5 50), 35969#(<= ULTIMATE.start_main_~k~5 51), 35970#(<= ULTIMATE.start_main_~k~5 52), 35971#(<= ULTIMATE.start_main_~k~5 53), 35972#(<= ULTIMATE.start_main_~k~5 54), 35973#(<= ULTIMATE.start_main_~k~5 55), 35974#(<= ULTIMATE.start_main_~k~5 56), 35975#(<= ULTIMATE.start_main_~k~5 57), 35976#(<= ULTIMATE.start_main_~k~5 58), 35977#(<= ULTIMATE.start_main_~k~5 59), 35978#(<= ULTIMATE.start_main_~k~5 60), 35979#(<= ULTIMATE.start_main_~k~5 61), 35980#(<= ULTIMATE.start_main_~k~5 62), 35981#(<= ULTIMATE.start_main_~k~5 63), 35982#(<= ULTIMATE.start_main_~k~5 64), 35983#(<= ULTIMATE.start_main_~k~5 65), 35984#(<= ULTIMATE.start_main_~k~5 66), 35985#(<= ULTIMATE.start_main_~k~5 67), 35986#(<= ULTIMATE.start_main_~k~5 68), 35987#(<= ULTIMATE.start_main_~k~5 69), 35988#(<= ULTIMATE.start_main_~k~5 70), 35989#(<= ULTIMATE.start_main_~k~5 71), 35990#(<= ULTIMATE.start_main_~k~5 72), 35991#(<= ULTIMATE.start_main_~k~5 73), 35992#(<= ULTIMATE.start_main_~k~5 74), 35993#(<= ULTIMATE.start_main_~k~5 75), 35994#(<= ULTIMATE.start_main_~k~5 76), 35995#(<= ULTIMATE.start_main_~k~5 77), 35996#(<= ULTIMATE.start_main_~k~5 78), 35997#(<= ULTIMATE.start_main_~k~5 79), 35998#(<= ULTIMATE.start_main_~k~5 80), 35999#(<= ULTIMATE.start_main_~k~5 81), 36000#(<= ULTIMATE.start_main_~k~5 82), 36001#(<= ULTIMATE.start_main_~k~5 83), 36002#(<= ULTIMATE.start_main_~k~5 84), 36003#(<= ULTIMATE.start_main_~k~5 85), 36004#(<= ULTIMATE.start_main_~k~5 86), 35916#true, 35917#false, 35918#(<= ULTIMATE.start_main_~k~5 0), 35919#(<= ULTIMATE.start_main_~k~5 1), 35920#(<= ULTIMATE.start_main_~k~5 2), 35921#(<= ULTIMATE.start_main_~k~5 3), 35922#(<= ULTIMATE.start_main_~k~5 4), 35923#(<= ULTIMATE.start_main_~k~5 5), 35924#(<= ULTIMATE.start_main_~k~5 6), 35925#(<= ULTIMATE.start_main_~k~5 7), 35926#(<= ULTIMATE.start_main_~k~5 8), 35927#(<= ULTIMATE.start_main_~k~5 9), 35928#(<= ULTIMATE.start_main_~k~5 10), 35929#(<= ULTIMATE.start_main_~k~5 11), 35930#(<= ULTIMATE.start_main_~k~5 12), 35931#(<= ULTIMATE.start_main_~k~5 13), 35932#(<= ULTIMATE.start_main_~k~5 14), 35933#(<= ULTIMATE.start_main_~k~5 15), 35934#(<= ULTIMATE.start_main_~k~5 16), 35935#(<= ULTIMATE.start_main_~k~5 17), 35936#(<= ULTIMATE.start_main_~k~5 18), 35937#(<= ULTIMATE.start_main_~k~5 19), 35938#(<= ULTIMATE.start_main_~k~5 20), 35939#(<= ULTIMATE.start_main_~k~5 21), 35940#(<= ULTIMATE.start_main_~k~5 22), 35941#(<= ULTIMATE.start_main_~k~5 23), 35942#(<= ULTIMATE.start_main_~k~5 24), 35943#(<= ULTIMATE.start_main_~k~5 25), 35944#(<= ULTIMATE.start_main_~k~5 26), 35945#(<= ULTIMATE.start_main_~k~5 27), 35946#(<= ULTIMATE.start_main_~k~5 28), 35947#(<= ULTIMATE.start_main_~k~5 29), 35948#(<= ULTIMATE.start_main_~k~5 30), 35949#(<= ULTIMATE.start_main_~k~5 31), 35950#(<= ULTIMATE.start_main_~k~5 32), 35951#(<= ULTIMATE.start_main_~k~5 33), 35952#(<= ULTIMATE.start_main_~k~5 34), 35953#(<= ULTIMATE.start_main_~k~5 35), 35954#(<= ULTIMATE.start_main_~k~5 36), 35955#(<= ULTIMATE.start_main_~k~5 37), 35956#(<= ULTIMATE.start_main_~k~5 38), 35957#(<= ULTIMATE.start_main_~k~5 39), 35958#(<= ULTIMATE.start_main_~k~5 40), 35959#(<= ULTIMATE.start_main_~k~5 41), 35960#(<= ULTIMATE.start_main_~k~5 42), 35961#(<= ULTIMATE.start_main_~k~5 43), 35962#(<= ULTIMATE.start_main_~k~5 44), 35963#(<= ULTIMATE.start_main_~k~5 45), 35964#(<= ULTIMATE.start_main_~k~5 46), 35965#(<= ULTIMATE.start_main_~k~5 47), 35966#(<= ULTIMATE.start_main_~k~5 48), 35967#(<= ULTIMATE.start_main_~k~5 49)] [2018-07-23 13:45:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,215 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:45:37,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:45:37,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:45:37,217 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 89 states. [2018-07-23 13:45:37,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:37,299 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:45:37,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:45:37,299 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 176 [2018-07-23 13:45:37,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:37,301 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:45:37,301 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:45:37,302 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:45:37,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:45:37,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:45:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:45:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:45:37,307 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:45:37,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:37,307 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:45:37,308 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:45:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:45:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:45:37,314 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:37,314 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:45:37,314 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:37,315 INFO L82 PathProgramCache]: Analyzing trace with hash -32307843, now seen corresponding path program 87 times [2018-07-23 13:45:37,315 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:37,784 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:37,784 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:45:37,784 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,785 INFO L185 omatonBuilderFactory]: Interpolants [36736#(<= ULTIMATE.start_main_~k~5 9), 36737#(<= ULTIMATE.start_main_~k~5 10), 36738#(<= ULTIMATE.start_main_~k~5 11), 36739#(<= ULTIMATE.start_main_~k~5 12), 36740#(<= ULTIMATE.start_main_~k~5 13), 36741#(<= ULTIMATE.start_main_~k~5 14), 36742#(<= ULTIMATE.start_main_~k~5 15), 36743#(<= ULTIMATE.start_main_~k~5 16), 36744#(<= ULTIMATE.start_main_~k~5 17), 36745#(<= ULTIMATE.start_main_~k~5 18), 36746#(<= ULTIMATE.start_main_~k~5 19), 36747#(<= ULTIMATE.start_main_~k~5 20), 36748#(<= ULTIMATE.start_main_~k~5 21), 36749#(<= ULTIMATE.start_main_~k~5 22), 36750#(<= ULTIMATE.start_main_~k~5 23), 36751#(<= ULTIMATE.start_main_~k~5 24), 36752#(<= ULTIMATE.start_main_~k~5 25), 36753#(<= ULTIMATE.start_main_~k~5 26), 36754#(<= ULTIMATE.start_main_~k~5 27), 36755#(<= ULTIMATE.start_main_~k~5 28), 36756#(<= ULTIMATE.start_main_~k~5 29), 36757#(<= ULTIMATE.start_main_~k~5 30), 36758#(<= ULTIMATE.start_main_~k~5 31), 36759#(<= ULTIMATE.start_main_~k~5 32), 36760#(<= ULTIMATE.start_main_~k~5 33), 36761#(<= ULTIMATE.start_main_~k~5 34), 36762#(<= ULTIMATE.start_main_~k~5 35), 36763#(<= ULTIMATE.start_main_~k~5 36), 36764#(<= ULTIMATE.start_main_~k~5 37), 36765#(<= ULTIMATE.start_main_~k~5 38), 36766#(<= ULTIMATE.start_main_~k~5 39), 36767#(<= ULTIMATE.start_main_~k~5 40), 36768#(<= ULTIMATE.start_main_~k~5 41), 36769#(<= ULTIMATE.start_main_~k~5 42), 36770#(<= ULTIMATE.start_main_~k~5 43), 36771#(<= ULTIMATE.start_main_~k~5 44), 36772#(<= ULTIMATE.start_main_~k~5 45), 36773#(<= ULTIMATE.start_main_~k~5 46), 36774#(<= ULTIMATE.start_main_~k~5 47), 36775#(<= ULTIMATE.start_main_~k~5 48), 36776#(<= ULTIMATE.start_main_~k~5 49), 36777#(<= ULTIMATE.start_main_~k~5 50), 36778#(<= ULTIMATE.start_main_~k~5 51), 36779#(<= ULTIMATE.start_main_~k~5 52), 36780#(<= ULTIMATE.start_main_~k~5 53), 36781#(<= ULTIMATE.start_main_~k~5 54), 36782#(<= ULTIMATE.start_main_~k~5 55), 36783#(<= ULTIMATE.start_main_~k~5 56), 36784#(<= ULTIMATE.start_main_~k~5 57), 36785#(<= ULTIMATE.start_main_~k~5 58), 36786#(<= ULTIMATE.start_main_~k~5 59), 36787#(<= ULTIMATE.start_main_~k~5 60), 36788#(<= ULTIMATE.start_main_~k~5 61), 36789#(<= ULTIMATE.start_main_~k~5 62), 36790#(<= ULTIMATE.start_main_~k~5 63), 36791#(<= ULTIMATE.start_main_~k~5 64), 36792#(<= ULTIMATE.start_main_~k~5 65), 36793#(<= ULTIMATE.start_main_~k~5 66), 36794#(<= ULTIMATE.start_main_~k~5 67), 36795#(<= ULTIMATE.start_main_~k~5 68), 36796#(<= ULTIMATE.start_main_~k~5 69), 36797#(<= ULTIMATE.start_main_~k~5 70), 36798#(<= ULTIMATE.start_main_~k~5 71), 36799#(<= ULTIMATE.start_main_~k~5 72), 36800#(<= ULTIMATE.start_main_~k~5 73), 36801#(<= ULTIMATE.start_main_~k~5 74), 36802#(<= ULTIMATE.start_main_~k~5 75), 36803#(<= ULTIMATE.start_main_~k~5 76), 36804#(<= ULTIMATE.start_main_~k~5 77), 36805#(<= ULTIMATE.start_main_~k~5 78), 36806#(<= ULTIMATE.start_main_~k~5 79), 36807#(<= ULTIMATE.start_main_~k~5 80), 36808#(<= ULTIMATE.start_main_~k~5 81), 36809#(<= ULTIMATE.start_main_~k~5 82), 36810#(<= ULTIMATE.start_main_~k~5 83), 36811#(<= ULTIMATE.start_main_~k~5 84), 36812#(<= ULTIMATE.start_main_~k~5 85), 36813#(<= ULTIMATE.start_main_~k~5 86), 36814#(<= ULTIMATE.start_main_~k~5 87), 36725#true, 36726#false, 36727#(<= ULTIMATE.start_main_~k~5 0), 36728#(<= ULTIMATE.start_main_~k~5 1), 36729#(<= ULTIMATE.start_main_~k~5 2), 36730#(<= ULTIMATE.start_main_~k~5 3), 36731#(<= ULTIMATE.start_main_~k~5 4), 36732#(<= ULTIMATE.start_main_~k~5 5), 36733#(<= ULTIMATE.start_main_~k~5 6), 36734#(<= ULTIMATE.start_main_~k~5 7), 36735#(<= ULTIMATE.start_main_~k~5 8)] [2018-07-23 13:45:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:37,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:45:37,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:45:37,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:45:37,788 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 90 states. [2018-07-23 13:45:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:37,980 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:45:37,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:45:37,980 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 178 [2018-07-23 13:45:37,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:37,981 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:45:37,982 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:45:37,983 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:45:37,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:45:37,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:45:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:45:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:45:37,987 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:45:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:37,988 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:45:37,988 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:45:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:45:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:45:37,990 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:37,990 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:45:37,990 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:37,990 INFO L82 PathProgramCache]: Analyzing trace with hash -983013961, now seen corresponding path program 88 times [2018-07-23 13:45:37,990 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:38,478 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:38,478 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:45:38,478 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:38,478 INFO L185 omatonBuilderFactory]: Interpolants [37632#(<= ULTIMATE.start_main_~k~5 87), 37633#(<= ULTIMATE.start_main_~k~5 88), 37543#true, 37544#false, 37545#(<= ULTIMATE.start_main_~k~5 0), 37546#(<= ULTIMATE.start_main_~k~5 1), 37547#(<= ULTIMATE.start_main_~k~5 2), 37548#(<= ULTIMATE.start_main_~k~5 3), 37549#(<= ULTIMATE.start_main_~k~5 4), 37550#(<= ULTIMATE.start_main_~k~5 5), 37551#(<= ULTIMATE.start_main_~k~5 6), 37552#(<= ULTIMATE.start_main_~k~5 7), 37553#(<= ULTIMATE.start_main_~k~5 8), 37554#(<= ULTIMATE.start_main_~k~5 9), 37555#(<= ULTIMATE.start_main_~k~5 10), 37556#(<= ULTIMATE.start_main_~k~5 11), 37557#(<= ULTIMATE.start_main_~k~5 12), 37558#(<= ULTIMATE.start_main_~k~5 13), 37559#(<= ULTIMATE.start_main_~k~5 14), 37560#(<= ULTIMATE.start_main_~k~5 15), 37561#(<= ULTIMATE.start_main_~k~5 16), 37562#(<= ULTIMATE.start_main_~k~5 17), 37563#(<= ULTIMATE.start_main_~k~5 18), 37564#(<= ULTIMATE.start_main_~k~5 19), 37565#(<= ULTIMATE.start_main_~k~5 20), 37566#(<= ULTIMATE.start_main_~k~5 21), 37567#(<= ULTIMATE.start_main_~k~5 22), 37568#(<= ULTIMATE.start_main_~k~5 23), 37569#(<= ULTIMATE.start_main_~k~5 24), 37570#(<= ULTIMATE.start_main_~k~5 25), 37571#(<= ULTIMATE.start_main_~k~5 26), 37572#(<= ULTIMATE.start_main_~k~5 27), 37573#(<= ULTIMATE.start_main_~k~5 28), 37574#(<= ULTIMATE.start_main_~k~5 29), 37575#(<= ULTIMATE.start_main_~k~5 30), 37576#(<= ULTIMATE.start_main_~k~5 31), 37577#(<= ULTIMATE.start_main_~k~5 32), 37578#(<= ULTIMATE.start_main_~k~5 33), 37579#(<= ULTIMATE.start_main_~k~5 34), 37580#(<= ULTIMATE.start_main_~k~5 35), 37581#(<= ULTIMATE.start_main_~k~5 36), 37582#(<= ULTIMATE.start_main_~k~5 37), 37583#(<= ULTIMATE.start_main_~k~5 38), 37584#(<= ULTIMATE.start_main_~k~5 39), 37585#(<= ULTIMATE.start_main_~k~5 40), 37586#(<= ULTIMATE.start_main_~k~5 41), 37587#(<= ULTIMATE.start_main_~k~5 42), 37588#(<= ULTIMATE.start_main_~k~5 43), 37589#(<= ULTIMATE.start_main_~k~5 44), 37590#(<= ULTIMATE.start_main_~k~5 45), 37591#(<= ULTIMATE.start_main_~k~5 46), 37592#(<= ULTIMATE.start_main_~k~5 47), 37593#(<= ULTIMATE.start_main_~k~5 48), 37594#(<= ULTIMATE.start_main_~k~5 49), 37595#(<= ULTIMATE.start_main_~k~5 50), 37596#(<= ULTIMATE.start_main_~k~5 51), 37597#(<= ULTIMATE.start_main_~k~5 52), 37598#(<= ULTIMATE.start_main_~k~5 53), 37599#(<= ULTIMATE.start_main_~k~5 54), 37600#(<= ULTIMATE.start_main_~k~5 55), 37601#(<= ULTIMATE.start_main_~k~5 56), 37602#(<= ULTIMATE.start_main_~k~5 57), 37603#(<= ULTIMATE.start_main_~k~5 58), 37604#(<= ULTIMATE.start_main_~k~5 59), 37605#(<= ULTIMATE.start_main_~k~5 60), 37606#(<= ULTIMATE.start_main_~k~5 61), 37607#(<= ULTIMATE.start_main_~k~5 62), 37608#(<= ULTIMATE.start_main_~k~5 63), 37609#(<= ULTIMATE.start_main_~k~5 64), 37610#(<= ULTIMATE.start_main_~k~5 65), 37611#(<= ULTIMATE.start_main_~k~5 66), 37612#(<= ULTIMATE.start_main_~k~5 67), 37613#(<= ULTIMATE.start_main_~k~5 68), 37614#(<= ULTIMATE.start_main_~k~5 69), 37615#(<= ULTIMATE.start_main_~k~5 70), 37616#(<= ULTIMATE.start_main_~k~5 71), 37617#(<= ULTIMATE.start_main_~k~5 72), 37618#(<= ULTIMATE.start_main_~k~5 73), 37619#(<= ULTIMATE.start_main_~k~5 74), 37620#(<= ULTIMATE.start_main_~k~5 75), 37621#(<= ULTIMATE.start_main_~k~5 76), 37622#(<= ULTIMATE.start_main_~k~5 77), 37623#(<= ULTIMATE.start_main_~k~5 78), 37624#(<= ULTIMATE.start_main_~k~5 79), 37625#(<= ULTIMATE.start_main_~k~5 80), 37626#(<= ULTIMATE.start_main_~k~5 81), 37627#(<= ULTIMATE.start_main_~k~5 82), 37628#(<= ULTIMATE.start_main_~k~5 83), 37629#(<= ULTIMATE.start_main_~k~5 84), 37630#(<= ULTIMATE.start_main_~k~5 85), 37631#(<= ULTIMATE.start_main_~k~5 86)] [2018-07-23 13:45:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:38,479 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:45:38,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:45:38,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:45:38,481 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 91 states. [2018-07-23 13:45:38,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:38,629 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:45:38,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:45:38,629 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 180 [2018-07-23 13:45:38,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:38,631 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:45:38,631 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:45:38,632 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:45:38,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:45:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:45:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:45:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:45:38,637 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:45:38,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:38,637 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:45:38,637 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:45:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:45:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:45:38,639 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:38,640 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:45:38,640 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:38,640 INFO L82 PathProgramCache]: Analyzing trace with hash 216440689, now seen corresponding path program 89 times [2018-07-23 13:45:38,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:39,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,134 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:39,134 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:45:39,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,135 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= ULTIMATE.start_main_~k~5 28), 38401#(<= ULTIMATE.start_main_~k~5 29), 38402#(<= ULTIMATE.start_main_~k~5 30), 38403#(<= ULTIMATE.start_main_~k~5 31), 38404#(<= ULTIMATE.start_main_~k~5 32), 38405#(<= ULTIMATE.start_main_~k~5 33), 38406#(<= ULTIMATE.start_main_~k~5 34), 38407#(<= ULTIMATE.start_main_~k~5 35), 38408#(<= ULTIMATE.start_main_~k~5 36), 38409#(<= ULTIMATE.start_main_~k~5 37), 38410#(<= ULTIMATE.start_main_~k~5 38), 38411#(<= ULTIMATE.start_main_~k~5 39), 38412#(<= ULTIMATE.start_main_~k~5 40), 38413#(<= ULTIMATE.start_main_~k~5 41), 38414#(<= ULTIMATE.start_main_~k~5 42), 38415#(<= ULTIMATE.start_main_~k~5 43), 38416#(<= ULTIMATE.start_main_~k~5 44), 38417#(<= ULTIMATE.start_main_~k~5 45), 38418#(<= ULTIMATE.start_main_~k~5 46), 38419#(<= ULTIMATE.start_main_~k~5 47), 38420#(<= ULTIMATE.start_main_~k~5 48), 38421#(<= ULTIMATE.start_main_~k~5 49), 38422#(<= ULTIMATE.start_main_~k~5 50), 38423#(<= ULTIMATE.start_main_~k~5 51), 38424#(<= ULTIMATE.start_main_~k~5 52), 38425#(<= ULTIMATE.start_main_~k~5 53), 38426#(<= ULTIMATE.start_main_~k~5 54), 38427#(<= ULTIMATE.start_main_~k~5 55), 38428#(<= ULTIMATE.start_main_~k~5 56), 38429#(<= ULTIMATE.start_main_~k~5 57), 38430#(<= ULTIMATE.start_main_~k~5 58), 38431#(<= ULTIMATE.start_main_~k~5 59), 38432#(<= ULTIMATE.start_main_~k~5 60), 38433#(<= ULTIMATE.start_main_~k~5 61), 38434#(<= ULTIMATE.start_main_~k~5 62), 38435#(<= ULTIMATE.start_main_~k~5 63), 38436#(<= ULTIMATE.start_main_~k~5 64), 38437#(<= ULTIMATE.start_main_~k~5 65), 38438#(<= ULTIMATE.start_main_~k~5 66), 38439#(<= ULTIMATE.start_main_~k~5 67), 38440#(<= ULTIMATE.start_main_~k~5 68), 38441#(<= ULTIMATE.start_main_~k~5 69), 38442#(<= ULTIMATE.start_main_~k~5 70), 38443#(<= ULTIMATE.start_main_~k~5 71), 38444#(<= ULTIMATE.start_main_~k~5 72), 38445#(<= ULTIMATE.start_main_~k~5 73), 38446#(<= ULTIMATE.start_main_~k~5 74), 38447#(<= ULTIMATE.start_main_~k~5 75), 38448#(<= ULTIMATE.start_main_~k~5 76), 38449#(<= ULTIMATE.start_main_~k~5 77), 38450#(<= ULTIMATE.start_main_~k~5 78), 38451#(<= ULTIMATE.start_main_~k~5 79), 38452#(<= ULTIMATE.start_main_~k~5 80), 38453#(<= ULTIMATE.start_main_~k~5 81), 38454#(<= ULTIMATE.start_main_~k~5 82), 38455#(<= ULTIMATE.start_main_~k~5 83), 38456#(<= ULTIMATE.start_main_~k~5 84), 38457#(<= ULTIMATE.start_main_~k~5 85), 38458#(<= ULTIMATE.start_main_~k~5 86), 38459#(<= ULTIMATE.start_main_~k~5 87), 38460#(<= ULTIMATE.start_main_~k~5 88), 38461#(<= ULTIMATE.start_main_~k~5 89), 38370#true, 38371#false, 38372#(<= ULTIMATE.start_main_~k~5 0), 38373#(<= ULTIMATE.start_main_~k~5 1), 38374#(<= ULTIMATE.start_main_~k~5 2), 38375#(<= ULTIMATE.start_main_~k~5 3), 38376#(<= ULTIMATE.start_main_~k~5 4), 38377#(<= ULTIMATE.start_main_~k~5 5), 38378#(<= ULTIMATE.start_main_~k~5 6), 38379#(<= ULTIMATE.start_main_~k~5 7), 38380#(<= ULTIMATE.start_main_~k~5 8), 38381#(<= ULTIMATE.start_main_~k~5 9), 38382#(<= ULTIMATE.start_main_~k~5 10), 38383#(<= ULTIMATE.start_main_~k~5 11), 38384#(<= ULTIMATE.start_main_~k~5 12), 38385#(<= ULTIMATE.start_main_~k~5 13), 38386#(<= ULTIMATE.start_main_~k~5 14), 38387#(<= ULTIMATE.start_main_~k~5 15), 38388#(<= ULTIMATE.start_main_~k~5 16), 38389#(<= ULTIMATE.start_main_~k~5 17), 38390#(<= ULTIMATE.start_main_~k~5 18), 38391#(<= ULTIMATE.start_main_~k~5 19), 38392#(<= ULTIMATE.start_main_~k~5 20), 38393#(<= ULTIMATE.start_main_~k~5 21), 38394#(<= ULTIMATE.start_main_~k~5 22), 38395#(<= ULTIMATE.start_main_~k~5 23), 38396#(<= ULTIMATE.start_main_~k~5 24), 38397#(<= ULTIMATE.start_main_~k~5 25), 38398#(<= ULTIMATE.start_main_~k~5 26), 38399#(<= ULTIMATE.start_main_~k~5 27)] [2018-07-23 13:45:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,136 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:45:39,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:45:39,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:45:39,138 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 92 states. [2018-07-23 13:45:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:39,277 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:45:39,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:45:39,277 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 182 [2018-07-23 13:45:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:39,278 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:45:39,278 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:45:39,280 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:45:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:45:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:45:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:45:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:45:39,284 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:45:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:39,285 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:45:39,285 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:45:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:45:39,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:45:39,287 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:39,287 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:45:39,287 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:39,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1841124011, now seen corresponding path program 90 times [2018-07-23 13:45:39,287 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,780 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:39,780 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:45:39,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:39,780 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 13:45:39,781 INFO L185 omatonBuilderFactory]: Interpolants [39296#(<= ULTIMATE.start_main_~k~5 88), 39297#(<= ULTIMATE.start_main_~k~5 89), 39298#(<= ULTIMATE.start_main_~k~5 90), 39206#true, 39207#false, 39208#(<= ULTIMATE.start_main_~k~5 0), 39209#(<= ULTIMATE.start_main_~k~5 1), 39210#(<= ULTIMATE.start_main_~k~5 2), 39211#(<= ULTIMATE.start_main_~k~5 3), 39212#(<= ULTIMATE.start_main_~k~5 4), 39213#(<= ULTIMATE.start_main_~k~5 5), 39214#(<= ULTIMATE.start_main_~k~5 6), 39215#(<= ULTIMATE.start_main_~k~5 7), 39216#(<= ULTIMATE.start_main_~k~5 8), 39217#(<= ULTIMATE.start_main_~k~5 9), 39218#(<= ULTIMATE.start_main_~k~5 10), 39219#(<= ULTIMATE.start_main_~k~5 11), 39220#(<= ULTIMATE.start_main_~k~5 12), 39221#(<= ULTIMATE.start_main_~k~5 13), 39222#(<= ULTIMATE.start_main_~k~5 14), 39223#(<= ULTIMATE.start_main_~k~5 15), 39224#(<= ULTIMATE.start_main_~k~5 16), 39225#(<= ULTIMATE.start_main_~k~5 17), 39226#(<= ULTIMATE.start_main_~k~5 18), 39227#(<= ULTIMATE.start_main_~k~5 19), 39228#(<= ULTIMATE.start_main_~k~5 20), 39229#(<= ULTIMATE.start_main_~k~5 21), 39230#(<= ULTIMATE.start_main_~k~5 22), 39231#(<= ULTIMATE.start_main_~k~5 23), 39232#(<= ULTIMATE.start_main_~k~5 24), 39233#(<= ULTIMATE.start_main_~k~5 25), 39234#(<= ULTIMATE.start_main_~k~5 26), 39235#(<= ULTIMATE.start_main_~k~5 27), 39236#(<= ULTIMATE.start_main_~k~5 28), 39237#(<= ULTIMATE.start_main_~k~5 29), 39238#(<= ULTIMATE.start_main_~k~5 30), 39239#(<= ULTIMATE.start_main_~k~5 31), 39240#(<= ULTIMATE.start_main_~k~5 32), 39241#(<= ULTIMATE.start_main_~k~5 33), 39242#(<= ULTIMATE.start_main_~k~5 34), 39243#(<= ULTIMATE.start_main_~k~5 35), 39244#(<= ULTIMATE.start_main_~k~5 36), 39245#(<= ULTIMATE.start_main_~k~5 37), 39246#(<= ULTIMATE.start_main_~k~5 38), 39247#(<= ULTIMATE.start_main_~k~5 39), 39248#(<= ULTIMATE.start_main_~k~5 40), 39249#(<= ULTIMATE.start_main_~k~5 41), 39250#(<= ULTIMATE.start_main_~k~5 42), 39251#(<= ULTIMATE.start_main_~k~5 43), 39252#(<= ULTIMATE.start_main_~k~5 44), 39253#(<= ULTIMATE.start_main_~k~5 45), 39254#(<= ULTIMATE.start_main_~k~5 46), 39255#(<= ULTIMATE.start_main_~k~5 47), 39256#(<= ULTIMATE.start_main_~k~5 48), 39257#(<= ULTIMATE.start_main_~k~5 49), 39258#(<= ULTIMATE.start_main_~k~5 50), 39259#(<= ULTIMATE.start_main_~k~5 51), 39260#(<= ULTIMATE.start_main_~k~5 52), 39261#(<= ULTIMATE.start_main_~k~5 53), 39262#(<= ULTIMATE.start_main_~k~5 54), 39263#(<= ULTIMATE.start_main_~k~5 55), 39264#(<= ULTIMATE.start_main_~k~5 56), 39265#(<= ULTIMATE.start_main_~k~5 57), 39266#(<= ULTIMATE.start_main_~k~5 58), 39267#(<= ULTIMATE.start_main_~k~5 59), 39268#(<= ULTIMATE.start_main_~k~5 60), 39269#(<= ULTIMATE.start_main_~k~5 61), 39270#(<= ULTIMATE.start_main_~k~5 62), 39271#(<= ULTIMATE.start_main_~k~5 63), 39272#(<= ULTIMATE.start_main_~k~5 64), 39273#(<= ULTIMATE.start_main_~k~5 65), 39274#(<= ULTIMATE.start_main_~k~5 66), 39275#(<= ULTIMATE.start_main_~k~5 67), 39276#(<= ULTIMATE.start_main_~k~5 68), 39277#(<= ULTIMATE.start_main_~k~5 69), 39278#(<= ULTIMATE.start_main_~k~5 70), 39279#(<= ULTIMATE.start_main_~k~5 71), 39280#(<= ULTIMATE.start_main_~k~5 72), 39281#(<= ULTIMATE.start_main_~k~5 73), 39282#(<= ULTIMATE.start_main_~k~5 74), 39283#(<= ULTIMATE.start_main_~k~5 75), 39284#(<= ULTIMATE.start_main_~k~5 76), 39285#(<= ULTIMATE.start_main_~k~5 77), 39286#(<= ULTIMATE.start_main_~k~5 78), 39287#(<= ULTIMATE.start_main_~k~5 79), 39288#(<= ULTIMATE.start_main_~k~5 80), 39289#(<= ULTIMATE.start_main_~k~5 81), 39290#(<= ULTIMATE.start_main_~k~5 82), 39291#(<= ULTIMATE.start_main_~k~5 83), 39292#(<= ULTIMATE.start_main_~k~5 84), 39293#(<= ULTIMATE.start_main_~k~5 85), 39294#(<= ULTIMATE.start_main_~k~5 86), 39295#(<= ULTIMATE.start_main_~k~5 87)] [2018-07-23 13:45:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:39,782 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:45:39,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:45:39,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:45:39,784 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 93 states. [2018-07-23 13:45:39,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:39,913 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:45:39,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:45:39,914 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 184 [2018-07-23 13:45:39,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:39,915 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:45:39,915 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:45:39,916 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:45:39,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:45:39,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:45:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:45:39,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:45:39,922 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:45:39,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:39,923 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:45:39,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:45:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:45:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:45:39,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:39,925 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:45:39,925 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:39,925 INFO L82 PathProgramCache]: Analyzing trace with hash -206299291, now seen corresponding path program 91 times [2018-07-23 13:45:39,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:40,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:40,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:45:40,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:40,645 INFO L185 omatonBuilderFactory]: Interpolants [40064#(<= ULTIMATE.start_main_~k~5 11), 40065#(<= ULTIMATE.start_main_~k~5 12), 40066#(<= ULTIMATE.start_main_~k~5 13), 40067#(<= ULTIMATE.start_main_~k~5 14), 40068#(<= ULTIMATE.start_main_~k~5 15), 40069#(<= ULTIMATE.start_main_~k~5 16), 40070#(<= ULTIMATE.start_main_~k~5 17), 40071#(<= ULTIMATE.start_main_~k~5 18), 40072#(<= ULTIMATE.start_main_~k~5 19), 40073#(<= ULTIMATE.start_main_~k~5 20), 40074#(<= ULTIMATE.start_main_~k~5 21), 40075#(<= ULTIMATE.start_main_~k~5 22), 40076#(<= ULTIMATE.start_main_~k~5 23), 40077#(<= ULTIMATE.start_main_~k~5 24), 40078#(<= ULTIMATE.start_main_~k~5 25), 40079#(<= ULTIMATE.start_main_~k~5 26), 40080#(<= ULTIMATE.start_main_~k~5 27), 40081#(<= ULTIMATE.start_main_~k~5 28), 40082#(<= ULTIMATE.start_main_~k~5 29), 40083#(<= ULTIMATE.start_main_~k~5 30), 40084#(<= ULTIMATE.start_main_~k~5 31), 40085#(<= ULTIMATE.start_main_~k~5 32), 40086#(<= ULTIMATE.start_main_~k~5 33), 40087#(<= ULTIMATE.start_main_~k~5 34), 40088#(<= ULTIMATE.start_main_~k~5 35), 40089#(<= ULTIMATE.start_main_~k~5 36), 40090#(<= ULTIMATE.start_main_~k~5 37), 40091#(<= ULTIMATE.start_main_~k~5 38), 40092#(<= ULTIMATE.start_main_~k~5 39), 40093#(<= ULTIMATE.start_main_~k~5 40), 40094#(<= ULTIMATE.start_main_~k~5 41), 40095#(<= ULTIMATE.start_main_~k~5 42), 40096#(<= ULTIMATE.start_main_~k~5 43), 40097#(<= ULTIMATE.start_main_~k~5 44), 40098#(<= ULTIMATE.start_main_~k~5 45), 40099#(<= ULTIMATE.start_main_~k~5 46), 40100#(<= ULTIMATE.start_main_~k~5 47), 40101#(<= ULTIMATE.start_main_~k~5 48), 40102#(<= ULTIMATE.start_main_~k~5 49), 40103#(<= ULTIMATE.start_main_~k~5 50), 40104#(<= ULTIMATE.start_main_~k~5 51), 40105#(<= ULTIMATE.start_main_~k~5 52), 40106#(<= ULTIMATE.start_main_~k~5 53), 40107#(<= ULTIMATE.start_main_~k~5 54), 40108#(<= ULTIMATE.start_main_~k~5 55), 40109#(<= ULTIMATE.start_main_~k~5 56), 40110#(<= ULTIMATE.start_main_~k~5 57), 40111#(<= ULTIMATE.start_main_~k~5 58), 40112#(<= ULTIMATE.start_main_~k~5 59), 40113#(<= ULTIMATE.start_main_~k~5 60), 40114#(<= ULTIMATE.start_main_~k~5 61), 40115#(<= ULTIMATE.start_main_~k~5 62), 40116#(<= ULTIMATE.start_main_~k~5 63), 40117#(<= ULTIMATE.start_main_~k~5 64), 40118#(<= ULTIMATE.start_main_~k~5 65), 40119#(<= ULTIMATE.start_main_~k~5 66), 40120#(<= ULTIMATE.start_main_~k~5 67), 40121#(<= ULTIMATE.start_main_~k~5 68), 40122#(<= ULTIMATE.start_main_~k~5 69), 40123#(<= ULTIMATE.start_main_~k~5 70), 40124#(<= ULTIMATE.start_main_~k~5 71), 40125#(<= ULTIMATE.start_main_~k~5 72), 40126#(<= ULTIMATE.start_main_~k~5 73), 40127#(<= ULTIMATE.start_main_~k~5 74), 40128#(<= ULTIMATE.start_main_~k~5 75), 40129#(<= ULTIMATE.start_main_~k~5 76), 40130#(<= ULTIMATE.start_main_~k~5 77), 40131#(<= ULTIMATE.start_main_~k~5 78), 40132#(<= ULTIMATE.start_main_~k~5 79), 40133#(<= ULTIMATE.start_main_~k~5 80), 40134#(<= ULTIMATE.start_main_~k~5 81), 40135#(<= ULTIMATE.start_main_~k~5 82), 40136#(<= ULTIMATE.start_main_~k~5 83), 40137#(<= ULTIMATE.start_main_~k~5 84), 40138#(<= ULTIMATE.start_main_~k~5 85), 40139#(<= ULTIMATE.start_main_~k~5 86), 40140#(<= ULTIMATE.start_main_~k~5 87), 40141#(<= ULTIMATE.start_main_~k~5 88), 40142#(<= ULTIMATE.start_main_~k~5 89), 40143#(<= ULTIMATE.start_main_~k~5 90), 40144#(<= ULTIMATE.start_main_~k~5 91), 40051#true, 40052#false, 40053#(<= ULTIMATE.start_main_~k~5 0), 40054#(<= ULTIMATE.start_main_~k~5 1), 40055#(<= ULTIMATE.start_main_~k~5 2), 40056#(<= ULTIMATE.start_main_~k~5 3), 40057#(<= ULTIMATE.start_main_~k~5 4), 40058#(<= ULTIMATE.start_main_~k~5 5), 40059#(<= ULTIMATE.start_main_~k~5 6), 40060#(<= ULTIMATE.start_main_~k~5 7), 40061#(<= ULTIMATE.start_main_~k~5 8), 40062#(<= ULTIMATE.start_main_~k~5 9), 40063#(<= ULTIMATE.start_main_~k~5 10)] [2018-07-23 13:45:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:40,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:45:40,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:45:40,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:45:40,648 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 94 states. [2018-07-23 13:45:40,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:40,791 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:45:40,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:45:40,792 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 186 [2018-07-23 13:45:40,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:40,793 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:45:40,793 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:45:40,794 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:45:40,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:45:40,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:45:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:45:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:45:40,799 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:45:40,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:40,800 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:45:40,800 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:45:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:45:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:45:40,801 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:40,801 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:45:40,801 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:40,801 INFO L82 PathProgramCache]: Analyzing trace with hash -685070945, now seen corresponding path program 92 times [2018-07-23 13:45:40,802 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:41,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:45:41,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,167 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= ULTIMATE.start_main_~k~5 53), 40961#(<= ULTIMATE.start_main_~k~5 54), 40962#(<= ULTIMATE.start_main_~k~5 55), 40963#(<= ULTIMATE.start_main_~k~5 56), 40964#(<= ULTIMATE.start_main_~k~5 57), 40965#(<= ULTIMATE.start_main_~k~5 58), 40966#(<= ULTIMATE.start_main_~k~5 59), 40967#(<= ULTIMATE.start_main_~k~5 60), 40968#(<= ULTIMATE.start_main_~k~5 61), 40969#(<= ULTIMATE.start_main_~k~5 62), 40970#(<= ULTIMATE.start_main_~k~5 63), 40971#(<= ULTIMATE.start_main_~k~5 64), 40972#(<= ULTIMATE.start_main_~k~5 65), 40973#(<= ULTIMATE.start_main_~k~5 66), 40974#(<= ULTIMATE.start_main_~k~5 67), 40975#(<= ULTIMATE.start_main_~k~5 68), 40976#(<= ULTIMATE.start_main_~k~5 69), 40977#(<= ULTIMATE.start_main_~k~5 70), 40978#(<= ULTIMATE.start_main_~k~5 71), 40979#(<= ULTIMATE.start_main_~k~5 72), 40980#(<= ULTIMATE.start_main_~k~5 73), 40981#(<= ULTIMATE.start_main_~k~5 74), 40982#(<= ULTIMATE.start_main_~k~5 75), 40983#(<= ULTIMATE.start_main_~k~5 76), 40984#(<= ULTIMATE.start_main_~k~5 77), 40985#(<= ULTIMATE.start_main_~k~5 78), 40986#(<= ULTIMATE.start_main_~k~5 79), 40987#(<= ULTIMATE.start_main_~k~5 80), 40988#(<= ULTIMATE.start_main_~k~5 81), 40989#(<= ULTIMATE.start_main_~k~5 82), 40990#(<= ULTIMATE.start_main_~k~5 83), 40991#(<= ULTIMATE.start_main_~k~5 84), 40992#(<= ULTIMATE.start_main_~k~5 85), 40993#(<= ULTIMATE.start_main_~k~5 86), 40994#(<= ULTIMATE.start_main_~k~5 87), 40995#(<= ULTIMATE.start_main_~k~5 88), 40996#(<= ULTIMATE.start_main_~k~5 89), 40997#(<= ULTIMATE.start_main_~k~5 90), 40998#(<= ULTIMATE.start_main_~k~5 91), 40999#(<= ULTIMATE.start_main_~k~5 92), 40905#true, 40906#false, 40907#(<= ULTIMATE.start_main_~k~5 0), 40908#(<= ULTIMATE.start_main_~k~5 1), 40909#(<= ULTIMATE.start_main_~k~5 2), 40910#(<= ULTIMATE.start_main_~k~5 3), 40911#(<= ULTIMATE.start_main_~k~5 4), 40912#(<= ULTIMATE.start_main_~k~5 5), 40913#(<= ULTIMATE.start_main_~k~5 6), 40914#(<= ULTIMATE.start_main_~k~5 7), 40915#(<= ULTIMATE.start_main_~k~5 8), 40916#(<= ULTIMATE.start_main_~k~5 9), 40917#(<= ULTIMATE.start_main_~k~5 10), 40918#(<= ULTIMATE.start_main_~k~5 11), 40919#(<= ULTIMATE.start_main_~k~5 12), 40920#(<= ULTIMATE.start_main_~k~5 13), 40921#(<= ULTIMATE.start_main_~k~5 14), 40922#(<= ULTIMATE.start_main_~k~5 15), 40923#(<= ULTIMATE.start_main_~k~5 16), 40924#(<= ULTIMATE.start_main_~k~5 17), 40925#(<= ULTIMATE.start_main_~k~5 18), 40926#(<= ULTIMATE.start_main_~k~5 19), 40927#(<= ULTIMATE.start_main_~k~5 20), 40928#(<= ULTIMATE.start_main_~k~5 21), 40929#(<= ULTIMATE.start_main_~k~5 22), 40930#(<= ULTIMATE.start_main_~k~5 23), 40931#(<= ULTIMATE.start_main_~k~5 24), 40932#(<= ULTIMATE.start_main_~k~5 25), 40933#(<= ULTIMATE.start_main_~k~5 26), 40934#(<= ULTIMATE.start_main_~k~5 27), 40935#(<= ULTIMATE.start_main_~k~5 28), 40936#(<= ULTIMATE.start_main_~k~5 29), 40937#(<= ULTIMATE.start_main_~k~5 30), 40938#(<= ULTIMATE.start_main_~k~5 31), 40939#(<= ULTIMATE.start_main_~k~5 32), 40940#(<= ULTIMATE.start_main_~k~5 33), 40941#(<= ULTIMATE.start_main_~k~5 34), 40942#(<= ULTIMATE.start_main_~k~5 35), 40943#(<= ULTIMATE.start_main_~k~5 36), 40944#(<= ULTIMATE.start_main_~k~5 37), 40945#(<= ULTIMATE.start_main_~k~5 38), 40946#(<= ULTIMATE.start_main_~k~5 39), 40947#(<= ULTIMATE.start_main_~k~5 40), 40948#(<= ULTIMATE.start_main_~k~5 41), 40949#(<= ULTIMATE.start_main_~k~5 42), 40950#(<= ULTIMATE.start_main_~k~5 43), 40951#(<= ULTIMATE.start_main_~k~5 44), 40952#(<= ULTIMATE.start_main_~k~5 45), 40953#(<= ULTIMATE.start_main_~k~5 46), 40954#(<= ULTIMATE.start_main_~k~5 47), 40955#(<= ULTIMATE.start_main_~k~5 48), 40956#(<= ULTIMATE.start_main_~k~5 49), 40957#(<= ULTIMATE.start_main_~k~5 50), 40958#(<= ULTIMATE.start_main_~k~5 51), 40959#(<= ULTIMATE.start_main_~k~5 52)] [2018-07-23 13:45:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,168 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:45:41,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:45:41,169 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:45:41,170 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 95 states. [2018-07-23 13:45:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:41,256 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:45:41,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:45:41,256 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 188 [2018-07-23 13:45:41,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:41,258 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:45:41,258 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:45:41,259 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:45:41,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:45:41,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:45:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:45:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:45:41,264 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:45:41,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:41,265 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:45:41,265 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:45:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:45:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:45:41,266 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:41,266 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:45:41,266 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:41,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1223129767, now seen corresponding path program 93 times [2018-07-23 13:45:41,267 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,706 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:41,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:45:41,706 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,707 INFO L185 omatonBuilderFactory]: Interpolants [41856#(<= ULTIMATE.start_main_~k~5 86), 41857#(<= ULTIMATE.start_main_~k~5 87), 41858#(<= ULTIMATE.start_main_~k~5 88), 41859#(<= ULTIMATE.start_main_~k~5 89), 41860#(<= ULTIMATE.start_main_~k~5 90), 41861#(<= ULTIMATE.start_main_~k~5 91), 41862#(<= ULTIMATE.start_main_~k~5 92), 41863#(<= ULTIMATE.start_main_~k~5 93), 41768#true, 41769#false, 41770#(<= ULTIMATE.start_main_~k~5 0), 41771#(<= ULTIMATE.start_main_~k~5 1), 41772#(<= ULTIMATE.start_main_~k~5 2), 41773#(<= ULTIMATE.start_main_~k~5 3), 41774#(<= ULTIMATE.start_main_~k~5 4), 41775#(<= ULTIMATE.start_main_~k~5 5), 41776#(<= ULTIMATE.start_main_~k~5 6), 41777#(<= ULTIMATE.start_main_~k~5 7), 41778#(<= ULTIMATE.start_main_~k~5 8), 41779#(<= ULTIMATE.start_main_~k~5 9), 41780#(<= ULTIMATE.start_main_~k~5 10), 41781#(<= ULTIMATE.start_main_~k~5 11), 41782#(<= ULTIMATE.start_main_~k~5 12), 41783#(<= ULTIMATE.start_main_~k~5 13), 41784#(<= ULTIMATE.start_main_~k~5 14), 41785#(<= ULTIMATE.start_main_~k~5 15), 41786#(<= ULTIMATE.start_main_~k~5 16), 41787#(<= ULTIMATE.start_main_~k~5 17), 41788#(<= ULTIMATE.start_main_~k~5 18), 41789#(<= ULTIMATE.start_main_~k~5 19), 41790#(<= ULTIMATE.start_main_~k~5 20), 41791#(<= ULTIMATE.start_main_~k~5 21), 41792#(<= ULTIMATE.start_main_~k~5 22), 41793#(<= ULTIMATE.start_main_~k~5 23), 41794#(<= ULTIMATE.start_main_~k~5 24), 41795#(<= ULTIMATE.start_main_~k~5 25), 41796#(<= ULTIMATE.start_main_~k~5 26), 41797#(<= ULTIMATE.start_main_~k~5 27), 41798#(<= ULTIMATE.start_main_~k~5 28), 41799#(<= ULTIMATE.start_main_~k~5 29), 41800#(<= ULTIMATE.start_main_~k~5 30), 41801#(<= ULTIMATE.start_main_~k~5 31), 41802#(<= ULTIMATE.start_main_~k~5 32), 41803#(<= ULTIMATE.start_main_~k~5 33), 41804#(<= ULTIMATE.start_main_~k~5 34), 41805#(<= ULTIMATE.start_main_~k~5 35), 41806#(<= ULTIMATE.start_main_~k~5 36), 41807#(<= ULTIMATE.start_main_~k~5 37), 41808#(<= ULTIMATE.start_main_~k~5 38), 41809#(<= ULTIMATE.start_main_~k~5 39), 41810#(<= ULTIMATE.start_main_~k~5 40), 41811#(<= ULTIMATE.start_main_~k~5 41), 41812#(<= ULTIMATE.start_main_~k~5 42), 41813#(<= ULTIMATE.start_main_~k~5 43), 41814#(<= ULTIMATE.start_main_~k~5 44), 41815#(<= ULTIMATE.start_main_~k~5 45), 41816#(<= ULTIMATE.start_main_~k~5 46), 41817#(<= ULTIMATE.start_main_~k~5 47), 41818#(<= ULTIMATE.start_main_~k~5 48), 41819#(<= ULTIMATE.start_main_~k~5 49), 41820#(<= ULTIMATE.start_main_~k~5 50), 41821#(<= ULTIMATE.start_main_~k~5 51), 41822#(<= ULTIMATE.start_main_~k~5 52), 41823#(<= ULTIMATE.start_main_~k~5 53), 41824#(<= ULTIMATE.start_main_~k~5 54), 41825#(<= ULTIMATE.start_main_~k~5 55), 41826#(<= ULTIMATE.start_main_~k~5 56), 41827#(<= ULTIMATE.start_main_~k~5 57), 41828#(<= ULTIMATE.start_main_~k~5 58), 41829#(<= ULTIMATE.start_main_~k~5 59), 41830#(<= ULTIMATE.start_main_~k~5 60), 41831#(<= ULTIMATE.start_main_~k~5 61), 41832#(<= ULTIMATE.start_main_~k~5 62), 41833#(<= ULTIMATE.start_main_~k~5 63), 41834#(<= ULTIMATE.start_main_~k~5 64), 41835#(<= ULTIMATE.start_main_~k~5 65), 41836#(<= ULTIMATE.start_main_~k~5 66), 41837#(<= ULTIMATE.start_main_~k~5 67), 41838#(<= ULTIMATE.start_main_~k~5 68), 41839#(<= ULTIMATE.start_main_~k~5 69), 41840#(<= ULTIMATE.start_main_~k~5 70), 41841#(<= ULTIMATE.start_main_~k~5 71), 41842#(<= ULTIMATE.start_main_~k~5 72), 41843#(<= ULTIMATE.start_main_~k~5 73), 41844#(<= ULTIMATE.start_main_~k~5 74), 41845#(<= ULTIMATE.start_main_~k~5 75), 41846#(<= ULTIMATE.start_main_~k~5 76), 41847#(<= ULTIMATE.start_main_~k~5 77), 41848#(<= ULTIMATE.start_main_~k~5 78), 41849#(<= ULTIMATE.start_main_~k~5 79), 41850#(<= ULTIMATE.start_main_~k~5 80), 41851#(<= ULTIMATE.start_main_~k~5 81), 41852#(<= ULTIMATE.start_main_~k~5 82), 41853#(<= ULTIMATE.start_main_~k~5 83), 41854#(<= ULTIMATE.start_main_~k~5 84), 41855#(<= ULTIMATE.start_main_~k~5 85)] [2018-07-23 13:45:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:41,708 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:45:41,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:45:41,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:45:41,709 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 96 states. [2018-07-23 13:45:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:41,891 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:45:41,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:45:41,891 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 190 [2018-07-23 13:45:41,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:41,893 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:45:41,893 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:45:41,894 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:45:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:45:41,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:45:41,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:45:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:45:41,899 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:45:41,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:41,899 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:45:41,899 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:45:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:45:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:45:41,900 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:41,901 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:45:41,901 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:41,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1393385107, now seen corresponding path program 94 times [2018-07-23 13:45:41,901 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,342 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:42,342 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:45:42,342 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,343 INFO L185 omatonBuilderFactory]: Interpolants [42640#true, 42641#false, 42642#(<= ULTIMATE.start_main_~k~5 0), 42643#(<= ULTIMATE.start_main_~k~5 1), 42644#(<= ULTIMATE.start_main_~k~5 2), 42645#(<= ULTIMATE.start_main_~k~5 3), 42646#(<= ULTIMATE.start_main_~k~5 4), 42647#(<= ULTIMATE.start_main_~k~5 5), 42648#(<= ULTIMATE.start_main_~k~5 6), 42649#(<= ULTIMATE.start_main_~k~5 7), 42650#(<= ULTIMATE.start_main_~k~5 8), 42651#(<= ULTIMATE.start_main_~k~5 9), 42652#(<= ULTIMATE.start_main_~k~5 10), 42653#(<= ULTIMATE.start_main_~k~5 11), 42654#(<= ULTIMATE.start_main_~k~5 12), 42655#(<= ULTIMATE.start_main_~k~5 13), 42656#(<= ULTIMATE.start_main_~k~5 14), 42657#(<= ULTIMATE.start_main_~k~5 15), 42658#(<= ULTIMATE.start_main_~k~5 16), 42659#(<= ULTIMATE.start_main_~k~5 17), 42660#(<= ULTIMATE.start_main_~k~5 18), 42661#(<= ULTIMATE.start_main_~k~5 19), 42662#(<= ULTIMATE.start_main_~k~5 20), 42663#(<= ULTIMATE.start_main_~k~5 21), 42664#(<= ULTIMATE.start_main_~k~5 22), 42665#(<= ULTIMATE.start_main_~k~5 23), 42666#(<= ULTIMATE.start_main_~k~5 24), 42667#(<= ULTIMATE.start_main_~k~5 25), 42668#(<= ULTIMATE.start_main_~k~5 26), 42669#(<= ULTIMATE.start_main_~k~5 27), 42670#(<= ULTIMATE.start_main_~k~5 28), 42671#(<= ULTIMATE.start_main_~k~5 29), 42672#(<= ULTIMATE.start_main_~k~5 30), 42673#(<= ULTIMATE.start_main_~k~5 31), 42674#(<= ULTIMATE.start_main_~k~5 32), 42675#(<= ULTIMATE.start_main_~k~5 33), 42676#(<= ULTIMATE.start_main_~k~5 34), 42677#(<= ULTIMATE.start_main_~k~5 35), 42678#(<= ULTIMATE.start_main_~k~5 36), 42679#(<= ULTIMATE.start_main_~k~5 37), 42680#(<= ULTIMATE.start_main_~k~5 38), 42681#(<= ULTIMATE.start_main_~k~5 39), 42682#(<= ULTIMATE.start_main_~k~5 40), 42683#(<= ULTIMATE.start_main_~k~5 41), 42684#(<= ULTIMATE.start_main_~k~5 42), 42685#(<= ULTIMATE.start_main_~k~5 43), 42686#(<= ULTIMATE.start_main_~k~5 44), 42687#(<= ULTIMATE.start_main_~k~5 45), 42688#(<= ULTIMATE.start_main_~k~5 46), 42689#(<= ULTIMATE.start_main_~k~5 47), 42690#(<= ULTIMATE.start_main_~k~5 48), 42691#(<= ULTIMATE.start_main_~k~5 49), 42692#(<= ULTIMATE.start_main_~k~5 50), 42693#(<= ULTIMATE.start_main_~k~5 51), 42694#(<= ULTIMATE.start_main_~k~5 52), 42695#(<= ULTIMATE.start_main_~k~5 53), 42696#(<= ULTIMATE.start_main_~k~5 54), 42697#(<= ULTIMATE.start_main_~k~5 55), 42698#(<= ULTIMATE.start_main_~k~5 56), 42699#(<= ULTIMATE.start_main_~k~5 57), 42700#(<= ULTIMATE.start_main_~k~5 58), 42701#(<= ULTIMATE.start_main_~k~5 59), 42702#(<= ULTIMATE.start_main_~k~5 60), 42703#(<= ULTIMATE.start_main_~k~5 61), 42704#(<= ULTIMATE.start_main_~k~5 62), 42705#(<= ULTIMATE.start_main_~k~5 63), 42706#(<= ULTIMATE.start_main_~k~5 64), 42707#(<= ULTIMATE.start_main_~k~5 65), 42708#(<= ULTIMATE.start_main_~k~5 66), 42709#(<= ULTIMATE.start_main_~k~5 67), 42710#(<= ULTIMATE.start_main_~k~5 68), 42711#(<= ULTIMATE.start_main_~k~5 69), 42712#(<= ULTIMATE.start_main_~k~5 70), 42713#(<= ULTIMATE.start_main_~k~5 71), 42714#(<= ULTIMATE.start_main_~k~5 72), 42715#(<= ULTIMATE.start_main_~k~5 73), 42716#(<= ULTIMATE.start_main_~k~5 74), 42717#(<= ULTIMATE.start_main_~k~5 75), 42718#(<= ULTIMATE.start_main_~k~5 76), 42719#(<= ULTIMATE.start_main_~k~5 77), 42720#(<= ULTIMATE.start_main_~k~5 78), 42721#(<= ULTIMATE.start_main_~k~5 79), 42722#(<= ULTIMATE.start_main_~k~5 80), 42723#(<= ULTIMATE.start_main_~k~5 81), 42724#(<= ULTIMATE.start_main_~k~5 82), 42725#(<= ULTIMATE.start_main_~k~5 83), 42726#(<= ULTIMATE.start_main_~k~5 84), 42727#(<= ULTIMATE.start_main_~k~5 85), 42728#(<= ULTIMATE.start_main_~k~5 86), 42729#(<= ULTIMATE.start_main_~k~5 87), 42730#(<= ULTIMATE.start_main_~k~5 88), 42731#(<= ULTIMATE.start_main_~k~5 89), 42732#(<= ULTIMATE.start_main_~k~5 90), 42733#(<= ULTIMATE.start_main_~k~5 91), 42734#(<= ULTIMATE.start_main_~k~5 92), 42735#(<= ULTIMATE.start_main_~k~5 93), 42736#(<= ULTIMATE.start_main_~k~5 94)] [2018-07-23 13:45:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,343 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:45:42,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:45:42,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:45:42,345 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 97 states. [2018-07-23 13:45:42,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:42,506 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:45:42,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:45:42,506 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 192 [2018-07-23 13:45:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:42,507 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:45:42,507 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:45:42,509 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:45:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:45:42,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:45:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:45:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:45:42,514 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:45:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:42,514 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:45:42,514 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:45:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:45:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:45:42,515 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:42,515 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:45:42,515 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:42,516 INFO L82 PathProgramCache]: Analyzing trace with hash -986656435, now seen corresponding path program 95 times [2018-07-23 13:45:42,516 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,919 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:42,920 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:45:42,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:42,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,920 INFO L185 omatonBuilderFactory]: Interpolants [43521#true, 43522#false, 43523#(<= ULTIMATE.start_main_~k~5 0), 43524#(<= ULTIMATE.start_main_~k~5 1), 43525#(<= ULTIMATE.start_main_~k~5 2), 43526#(<= ULTIMATE.start_main_~k~5 3), 43527#(<= ULTIMATE.start_main_~k~5 4), 43528#(<= ULTIMATE.start_main_~k~5 5), 43529#(<= ULTIMATE.start_main_~k~5 6), 43530#(<= ULTIMATE.start_main_~k~5 7), 43531#(<= ULTIMATE.start_main_~k~5 8), 43532#(<= ULTIMATE.start_main_~k~5 9), 43533#(<= ULTIMATE.start_main_~k~5 10), 43534#(<= ULTIMATE.start_main_~k~5 11), 43535#(<= ULTIMATE.start_main_~k~5 12), 43536#(<= ULTIMATE.start_main_~k~5 13), 43537#(<= ULTIMATE.start_main_~k~5 14), 43538#(<= ULTIMATE.start_main_~k~5 15), 43539#(<= ULTIMATE.start_main_~k~5 16), 43540#(<= ULTIMATE.start_main_~k~5 17), 43541#(<= ULTIMATE.start_main_~k~5 18), 43542#(<= ULTIMATE.start_main_~k~5 19), 43543#(<= ULTIMATE.start_main_~k~5 20), 43544#(<= ULTIMATE.start_main_~k~5 21), 43545#(<= ULTIMATE.start_main_~k~5 22), 43546#(<= ULTIMATE.start_main_~k~5 23), 43547#(<= ULTIMATE.start_main_~k~5 24), 43548#(<= ULTIMATE.start_main_~k~5 25), 43549#(<= ULTIMATE.start_main_~k~5 26), 43550#(<= ULTIMATE.start_main_~k~5 27), 43551#(<= ULTIMATE.start_main_~k~5 28), 43552#(<= ULTIMATE.start_main_~k~5 29), 43553#(<= ULTIMATE.start_main_~k~5 30), 43554#(<= ULTIMATE.start_main_~k~5 31), 43555#(<= ULTIMATE.start_main_~k~5 32), 43556#(<= ULTIMATE.start_main_~k~5 33), 43557#(<= ULTIMATE.start_main_~k~5 34), 43558#(<= ULTIMATE.start_main_~k~5 35), 43559#(<= ULTIMATE.start_main_~k~5 36), 43560#(<= ULTIMATE.start_main_~k~5 37), 43561#(<= ULTIMATE.start_main_~k~5 38), 43562#(<= ULTIMATE.start_main_~k~5 39), 43563#(<= ULTIMATE.start_main_~k~5 40), 43564#(<= ULTIMATE.start_main_~k~5 41), 43565#(<= ULTIMATE.start_main_~k~5 42), 43566#(<= ULTIMATE.start_main_~k~5 43), 43567#(<= ULTIMATE.start_main_~k~5 44), 43568#(<= ULTIMATE.start_main_~k~5 45), 43569#(<= ULTIMATE.start_main_~k~5 46), 43570#(<= ULTIMATE.start_main_~k~5 47), 43571#(<= ULTIMATE.start_main_~k~5 48), 43572#(<= ULTIMATE.start_main_~k~5 49), 43573#(<= ULTIMATE.start_main_~k~5 50), 43574#(<= ULTIMATE.start_main_~k~5 51), 43575#(<= ULTIMATE.start_main_~k~5 52), 43576#(<= ULTIMATE.start_main_~k~5 53), 43577#(<= ULTIMATE.start_main_~k~5 54), 43578#(<= ULTIMATE.start_main_~k~5 55), 43579#(<= ULTIMATE.start_main_~k~5 56), 43580#(<= ULTIMATE.start_main_~k~5 57), 43581#(<= ULTIMATE.start_main_~k~5 58), 43582#(<= ULTIMATE.start_main_~k~5 59), 43583#(<= ULTIMATE.start_main_~k~5 60), 43584#(<= ULTIMATE.start_main_~k~5 61), 43585#(<= ULTIMATE.start_main_~k~5 62), 43586#(<= ULTIMATE.start_main_~k~5 63), 43587#(<= ULTIMATE.start_main_~k~5 64), 43588#(<= ULTIMATE.start_main_~k~5 65), 43589#(<= ULTIMATE.start_main_~k~5 66), 43590#(<= ULTIMATE.start_main_~k~5 67), 43591#(<= ULTIMATE.start_main_~k~5 68), 43592#(<= ULTIMATE.start_main_~k~5 69), 43593#(<= ULTIMATE.start_main_~k~5 70), 43594#(<= ULTIMATE.start_main_~k~5 71), 43595#(<= ULTIMATE.start_main_~k~5 72), 43596#(<= ULTIMATE.start_main_~k~5 73), 43597#(<= ULTIMATE.start_main_~k~5 74), 43598#(<= ULTIMATE.start_main_~k~5 75), 43599#(<= ULTIMATE.start_main_~k~5 76), 43600#(<= ULTIMATE.start_main_~k~5 77), 43601#(<= ULTIMATE.start_main_~k~5 78), 43602#(<= ULTIMATE.start_main_~k~5 79), 43603#(<= ULTIMATE.start_main_~k~5 80), 43604#(<= ULTIMATE.start_main_~k~5 81), 43605#(<= ULTIMATE.start_main_~k~5 82), 43606#(<= ULTIMATE.start_main_~k~5 83), 43607#(<= ULTIMATE.start_main_~k~5 84), 43608#(<= ULTIMATE.start_main_~k~5 85), 43609#(<= ULTIMATE.start_main_~k~5 86), 43610#(<= ULTIMATE.start_main_~k~5 87), 43611#(<= ULTIMATE.start_main_~k~5 88), 43612#(<= ULTIMATE.start_main_~k~5 89), 43613#(<= ULTIMATE.start_main_~k~5 90), 43614#(<= ULTIMATE.start_main_~k~5 91), 43615#(<= ULTIMATE.start_main_~k~5 92), 43616#(<= ULTIMATE.start_main_~k~5 93), 43617#(<= ULTIMATE.start_main_~k~5 94), 43618#(<= ULTIMATE.start_main_~k~5 95)] [2018-07-23 13:45:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:42,921 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:45:42,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:45:42,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:45:42,922 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 98 states. [2018-07-23 13:45:43,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:43,126 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:45:43,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:45:43,126 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 194 [2018-07-23 13:45:43,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:43,127 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:45:43,127 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:45:43,128 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:45:43,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:45:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:45:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:45:43,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:45:43,133 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:45:43,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:43,133 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:45:43,133 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:45:43,134 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:45:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:45:43,134 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:43,135 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:45:43,135 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:43,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1010990471, now seen corresponding path program 96 times [2018-07-23 13:45:43,135 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:43,578 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:43,578 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:45:43,578 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:43,579 INFO L185 omatonBuilderFactory]: Interpolants [44411#true, 44412#false, 44413#(<= ULTIMATE.start_main_~k~5 0), 44414#(<= ULTIMATE.start_main_~k~5 1), 44415#(<= ULTIMATE.start_main_~k~5 2), 44416#(<= ULTIMATE.start_main_~k~5 3), 44417#(<= ULTIMATE.start_main_~k~5 4), 44418#(<= ULTIMATE.start_main_~k~5 5), 44419#(<= ULTIMATE.start_main_~k~5 6), 44420#(<= ULTIMATE.start_main_~k~5 7), 44421#(<= ULTIMATE.start_main_~k~5 8), 44422#(<= ULTIMATE.start_main_~k~5 9), 44423#(<= ULTIMATE.start_main_~k~5 10), 44424#(<= ULTIMATE.start_main_~k~5 11), 44425#(<= ULTIMATE.start_main_~k~5 12), 44426#(<= ULTIMATE.start_main_~k~5 13), 44427#(<= ULTIMATE.start_main_~k~5 14), 44428#(<= ULTIMATE.start_main_~k~5 15), 44429#(<= ULTIMATE.start_main_~k~5 16), 44430#(<= ULTIMATE.start_main_~k~5 17), 44431#(<= ULTIMATE.start_main_~k~5 18), 44432#(<= ULTIMATE.start_main_~k~5 19), 44433#(<= ULTIMATE.start_main_~k~5 20), 44434#(<= ULTIMATE.start_main_~k~5 21), 44435#(<= ULTIMATE.start_main_~k~5 22), 44436#(<= ULTIMATE.start_main_~k~5 23), 44437#(<= ULTIMATE.start_main_~k~5 24), 44438#(<= ULTIMATE.start_main_~k~5 25), 44439#(<= ULTIMATE.start_main_~k~5 26), 44440#(<= ULTIMATE.start_main_~k~5 27), 44441#(<= ULTIMATE.start_main_~k~5 28), 44442#(<= ULTIMATE.start_main_~k~5 29), 44443#(<= ULTIMATE.start_main_~k~5 30), 44444#(<= ULTIMATE.start_main_~k~5 31), 44445#(<= ULTIMATE.start_main_~k~5 32), 44446#(<= ULTIMATE.start_main_~k~5 33), 44447#(<= ULTIMATE.start_main_~k~5 34), 44448#(<= ULTIMATE.start_main_~k~5 35), 44449#(<= ULTIMATE.start_main_~k~5 36), 44450#(<= ULTIMATE.start_main_~k~5 37), 44451#(<= ULTIMATE.start_main_~k~5 38), 44452#(<= ULTIMATE.start_main_~k~5 39), 44453#(<= ULTIMATE.start_main_~k~5 40), 44454#(<= ULTIMATE.start_main_~k~5 41), 44455#(<= ULTIMATE.start_main_~k~5 42), 44456#(<= ULTIMATE.start_main_~k~5 43), 44457#(<= ULTIMATE.start_main_~k~5 44), 44458#(<= ULTIMATE.start_main_~k~5 45), 44459#(<= ULTIMATE.start_main_~k~5 46), 44460#(<= ULTIMATE.start_main_~k~5 47), 44461#(<= ULTIMATE.start_main_~k~5 48), 44462#(<= ULTIMATE.start_main_~k~5 49), 44463#(<= ULTIMATE.start_main_~k~5 50), 44464#(<= ULTIMATE.start_main_~k~5 51), 44465#(<= ULTIMATE.start_main_~k~5 52), 44466#(<= ULTIMATE.start_main_~k~5 53), 44467#(<= ULTIMATE.start_main_~k~5 54), 44468#(<= ULTIMATE.start_main_~k~5 55), 44469#(<= ULTIMATE.start_main_~k~5 56), 44470#(<= ULTIMATE.start_main_~k~5 57), 44471#(<= ULTIMATE.start_main_~k~5 58), 44472#(<= ULTIMATE.start_main_~k~5 59), 44473#(<= ULTIMATE.start_main_~k~5 60), 44474#(<= ULTIMATE.start_main_~k~5 61), 44475#(<= ULTIMATE.start_main_~k~5 62), 44476#(<= ULTIMATE.start_main_~k~5 63), 44477#(<= ULTIMATE.start_main_~k~5 64), 44478#(<= ULTIMATE.start_main_~k~5 65), 44479#(<= ULTIMATE.start_main_~k~5 66), 44480#(<= ULTIMATE.start_main_~k~5 67), 44481#(<= ULTIMATE.start_main_~k~5 68), 44482#(<= ULTIMATE.start_main_~k~5 69), 44483#(<= ULTIMATE.start_main_~k~5 70), 44484#(<= ULTIMATE.start_main_~k~5 71), 44485#(<= ULTIMATE.start_main_~k~5 72), 44486#(<= ULTIMATE.start_main_~k~5 73), 44487#(<= ULTIMATE.start_main_~k~5 74), 44488#(<= ULTIMATE.start_main_~k~5 75), 44489#(<= ULTIMATE.start_main_~k~5 76), 44490#(<= ULTIMATE.start_main_~k~5 77), 44491#(<= ULTIMATE.start_main_~k~5 78), 44492#(<= ULTIMATE.start_main_~k~5 79), 44493#(<= ULTIMATE.start_main_~k~5 80), 44494#(<= ULTIMATE.start_main_~k~5 81), 44495#(<= ULTIMATE.start_main_~k~5 82), 44496#(<= ULTIMATE.start_main_~k~5 83), 44497#(<= ULTIMATE.start_main_~k~5 84), 44498#(<= ULTIMATE.start_main_~k~5 85), 44499#(<= ULTIMATE.start_main_~k~5 86), 44500#(<= ULTIMATE.start_main_~k~5 87), 44501#(<= ULTIMATE.start_main_~k~5 88), 44502#(<= ULTIMATE.start_main_~k~5 89), 44503#(<= ULTIMATE.start_main_~k~5 90), 44504#(<= ULTIMATE.start_main_~k~5 91), 44505#(<= ULTIMATE.start_main_~k~5 92), 44506#(<= ULTIMATE.start_main_~k~5 93), 44507#(<= ULTIMATE.start_main_~k~5 94), 44508#(<= ULTIMATE.start_main_~k~5 95), 44509#(<= ULTIMATE.start_main_~k~5 96)] [2018-07-23 13:45:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:43,579 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:45:43,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:45:43,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:45:43,581 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 99 states. [2018-07-23 13:45:43,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:43,761 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:45:43,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:45:43,761 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 196 [2018-07-23 13:45:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:43,762 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:45:43,762 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:45:43,763 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:45:43,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:45:43,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:45:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:45:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:45:43,768 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:45:43,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:43,768 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:45:43,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:45:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:45:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:45:43,770 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:43,770 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:45:43,770 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:43,770 INFO L82 PathProgramCache]: Analyzing trace with hash 899285825, now seen corresponding path program 97 times [2018-07-23 13:45:43,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,183 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:44,183 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:45:44,184 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:44,184 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 13:45:44,184 INFO L185 omatonBuilderFactory]: Interpolants [45312#(<= ULTIMATE.start_main_~k~5 0), 45313#(<= ULTIMATE.start_main_~k~5 1), 45314#(<= ULTIMATE.start_main_~k~5 2), 45315#(<= ULTIMATE.start_main_~k~5 3), 45316#(<= ULTIMATE.start_main_~k~5 4), 45317#(<= ULTIMATE.start_main_~k~5 5), 45318#(<= ULTIMATE.start_main_~k~5 6), 45319#(<= ULTIMATE.start_main_~k~5 7), 45320#(<= ULTIMATE.start_main_~k~5 8), 45321#(<= ULTIMATE.start_main_~k~5 9), 45322#(<= ULTIMATE.start_main_~k~5 10), 45323#(<= ULTIMATE.start_main_~k~5 11), 45324#(<= ULTIMATE.start_main_~k~5 12), 45325#(<= ULTIMATE.start_main_~k~5 13), 45326#(<= ULTIMATE.start_main_~k~5 14), 45327#(<= ULTIMATE.start_main_~k~5 15), 45328#(<= ULTIMATE.start_main_~k~5 16), 45329#(<= ULTIMATE.start_main_~k~5 17), 45330#(<= ULTIMATE.start_main_~k~5 18), 45331#(<= ULTIMATE.start_main_~k~5 19), 45332#(<= ULTIMATE.start_main_~k~5 20), 45333#(<= ULTIMATE.start_main_~k~5 21), 45334#(<= ULTIMATE.start_main_~k~5 22), 45335#(<= ULTIMATE.start_main_~k~5 23), 45336#(<= ULTIMATE.start_main_~k~5 24), 45337#(<= ULTIMATE.start_main_~k~5 25), 45338#(<= ULTIMATE.start_main_~k~5 26), 45339#(<= ULTIMATE.start_main_~k~5 27), 45340#(<= ULTIMATE.start_main_~k~5 28), 45341#(<= ULTIMATE.start_main_~k~5 29), 45342#(<= ULTIMATE.start_main_~k~5 30), 45343#(<= ULTIMATE.start_main_~k~5 31), 45344#(<= ULTIMATE.start_main_~k~5 32), 45345#(<= ULTIMATE.start_main_~k~5 33), 45346#(<= ULTIMATE.start_main_~k~5 34), 45347#(<= ULTIMATE.start_main_~k~5 35), 45348#(<= ULTIMATE.start_main_~k~5 36), 45349#(<= ULTIMATE.start_main_~k~5 37), 45350#(<= ULTIMATE.start_main_~k~5 38), 45351#(<= ULTIMATE.start_main_~k~5 39), 45352#(<= ULTIMATE.start_main_~k~5 40), 45353#(<= ULTIMATE.start_main_~k~5 41), 45354#(<= ULTIMATE.start_main_~k~5 42), 45355#(<= ULTIMATE.start_main_~k~5 43), 45356#(<= ULTIMATE.start_main_~k~5 44), 45357#(<= ULTIMATE.start_main_~k~5 45), 45358#(<= ULTIMATE.start_main_~k~5 46), 45359#(<= ULTIMATE.start_main_~k~5 47), 45360#(<= ULTIMATE.start_main_~k~5 48), 45361#(<= ULTIMATE.start_main_~k~5 49), 45362#(<= ULTIMATE.start_main_~k~5 50), 45363#(<= ULTIMATE.start_main_~k~5 51), 45364#(<= ULTIMATE.start_main_~k~5 52), 45365#(<= ULTIMATE.start_main_~k~5 53), 45366#(<= ULTIMATE.start_main_~k~5 54), 45367#(<= ULTIMATE.start_main_~k~5 55), 45368#(<= ULTIMATE.start_main_~k~5 56), 45369#(<= ULTIMATE.start_main_~k~5 57), 45370#(<= ULTIMATE.start_main_~k~5 58), 45371#(<= ULTIMATE.start_main_~k~5 59), 45372#(<= ULTIMATE.start_main_~k~5 60), 45373#(<= ULTIMATE.start_main_~k~5 61), 45374#(<= ULTIMATE.start_main_~k~5 62), 45375#(<= ULTIMATE.start_main_~k~5 63), 45376#(<= ULTIMATE.start_main_~k~5 64), 45377#(<= ULTIMATE.start_main_~k~5 65), 45378#(<= ULTIMATE.start_main_~k~5 66), 45379#(<= ULTIMATE.start_main_~k~5 67), 45380#(<= ULTIMATE.start_main_~k~5 68), 45381#(<= ULTIMATE.start_main_~k~5 69), 45382#(<= ULTIMATE.start_main_~k~5 70), 45383#(<= ULTIMATE.start_main_~k~5 71), 45384#(<= ULTIMATE.start_main_~k~5 72), 45385#(<= ULTIMATE.start_main_~k~5 73), 45386#(<= ULTIMATE.start_main_~k~5 74), 45387#(<= ULTIMATE.start_main_~k~5 75), 45388#(<= ULTIMATE.start_main_~k~5 76), 45389#(<= ULTIMATE.start_main_~k~5 77), 45390#(<= ULTIMATE.start_main_~k~5 78), 45391#(<= ULTIMATE.start_main_~k~5 79), 45392#(<= ULTIMATE.start_main_~k~5 80), 45393#(<= ULTIMATE.start_main_~k~5 81), 45394#(<= ULTIMATE.start_main_~k~5 82), 45395#(<= ULTIMATE.start_main_~k~5 83), 45396#(<= ULTIMATE.start_main_~k~5 84), 45397#(<= ULTIMATE.start_main_~k~5 85), 45398#(<= ULTIMATE.start_main_~k~5 86), 45399#(<= ULTIMATE.start_main_~k~5 87), 45400#(<= ULTIMATE.start_main_~k~5 88), 45401#(<= ULTIMATE.start_main_~k~5 89), 45402#(<= ULTIMATE.start_main_~k~5 90), 45403#(<= ULTIMATE.start_main_~k~5 91), 45404#(<= ULTIMATE.start_main_~k~5 92), 45405#(<= ULTIMATE.start_main_~k~5 93), 45406#(<= ULTIMATE.start_main_~k~5 94), 45407#(<= ULTIMATE.start_main_~k~5 95), 45408#(<= ULTIMATE.start_main_~k~5 96), 45409#(<= ULTIMATE.start_main_~k~5 97), 45310#true, 45311#false] [2018-07-23 13:45:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,185 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:45:44,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:45:44,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:45:44,187 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 100 states. [2018-07-23 13:45:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:44,374 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:45:44,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:45:44,375 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 198 [2018-07-23 13:45:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:44,376 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:45:44,376 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:45:44,377 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 13:45:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:45:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:45:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:45:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:45:44,382 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:45:44,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:44,382 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:45:44,382 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:45:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:45:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:45:44,383 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:44,384 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:45:44,384 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:44,384 INFO L82 PathProgramCache]: Analyzing trace with hash 925303419, now seen corresponding path program 98 times [2018-07-23 13:45:44,384 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,799 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:44,800 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:45:44,800 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,800 INFO L185 omatonBuilderFactory]: Interpolants [46218#true, 46219#false, 46220#(<= ULTIMATE.start_main_~k~5 0), 46221#(<= ULTIMATE.start_main_~k~5 1), 46222#(<= ULTIMATE.start_main_~k~5 2), 46223#(<= ULTIMATE.start_main_~k~5 3), 46224#(<= ULTIMATE.start_main_~k~5 4), 46225#(<= ULTIMATE.start_main_~k~5 5), 46226#(<= ULTIMATE.start_main_~k~5 6), 46227#(<= ULTIMATE.start_main_~k~5 7), 46228#(<= ULTIMATE.start_main_~k~5 8), 46229#(<= ULTIMATE.start_main_~k~5 9), 46230#(<= ULTIMATE.start_main_~k~5 10), 46231#(<= ULTIMATE.start_main_~k~5 11), 46232#(<= ULTIMATE.start_main_~k~5 12), 46233#(<= ULTIMATE.start_main_~k~5 13), 46234#(<= ULTIMATE.start_main_~k~5 14), 46235#(<= ULTIMATE.start_main_~k~5 15), 46236#(<= ULTIMATE.start_main_~k~5 16), 46237#(<= ULTIMATE.start_main_~k~5 17), 46238#(<= ULTIMATE.start_main_~k~5 18), 46239#(<= ULTIMATE.start_main_~k~5 19), 46240#(<= ULTIMATE.start_main_~k~5 20), 46241#(<= ULTIMATE.start_main_~k~5 21), 46242#(<= ULTIMATE.start_main_~k~5 22), 46243#(<= ULTIMATE.start_main_~k~5 23), 46244#(<= ULTIMATE.start_main_~k~5 24), 46245#(<= ULTIMATE.start_main_~k~5 25), 46246#(<= ULTIMATE.start_main_~k~5 26), 46247#(<= ULTIMATE.start_main_~k~5 27), 46248#(<= ULTIMATE.start_main_~k~5 28), 46249#(<= ULTIMATE.start_main_~k~5 29), 46250#(<= ULTIMATE.start_main_~k~5 30), 46251#(<= ULTIMATE.start_main_~k~5 31), 46252#(<= ULTIMATE.start_main_~k~5 32), 46253#(<= ULTIMATE.start_main_~k~5 33), 46254#(<= ULTIMATE.start_main_~k~5 34), 46255#(<= ULTIMATE.start_main_~k~5 35), 46256#(<= ULTIMATE.start_main_~k~5 36), 46257#(<= ULTIMATE.start_main_~k~5 37), 46258#(<= ULTIMATE.start_main_~k~5 38), 46259#(<= ULTIMATE.start_main_~k~5 39), 46260#(<= ULTIMATE.start_main_~k~5 40), 46261#(<= ULTIMATE.start_main_~k~5 41), 46262#(<= ULTIMATE.start_main_~k~5 42), 46263#(<= ULTIMATE.start_main_~k~5 43), 46264#(<= ULTIMATE.start_main_~k~5 44), 46265#(<= ULTIMATE.start_main_~k~5 45), 46266#(<= ULTIMATE.start_main_~k~5 46), 46267#(<= ULTIMATE.start_main_~k~5 47), 46268#(<= ULTIMATE.start_main_~k~5 48), 46269#(<= ULTIMATE.start_main_~k~5 49), 46270#(<= ULTIMATE.start_main_~k~5 50), 46271#(<= ULTIMATE.start_main_~k~5 51), 46272#(<= ULTIMATE.start_main_~k~5 52), 46273#(<= ULTIMATE.start_main_~k~5 53), 46274#(<= ULTIMATE.start_main_~k~5 54), 46275#(<= ULTIMATE.start_main_~k~5 55), 46276#(<= ULTIMATE.start_main_~k~5 56), 46277#(<= ULTIMATE.start_main_~k~5 57), 46278#(<= ULTIMATE.start_main_~k~5 58), 46279#(<= ULTIMATE.start_main_~k~5 59), 46280#(<= ULTIMATE.start_main_~k~5 60), 46281#(<= ULTIMATE.start_main_~k~5 61), 46282#(<= ULTIMATE.start_main_~k~5 62), 46283#(<= ULTIMATE.start_main_~k~5 63), 46284#(<= ULTIMATE.start_main_~k~5 64), 46285#(<= ULTIMATE.start_main_~k~5 65), 46286#(<= ULTIMATE.start_main_~k~5 66), 46287#(<= ULTIMATE.start_main_~k~5 67), 46288#(<= ULTIMATE.start_main_~k~5 68), 46289#(<= ULTIMATE.start_main_~k~5 69), 46290#(<= ULTIMATE.start_main_~k~5 70), 46291#(<= ULTIMATE.start_main_~k~5 71), 46292#(<= ULTIMATE.start_main_~k~5 72), 46293#(<= ULTIMATE.start_main_~k~5 73), 46294#(<= ULTIMATE.start_main_~k~5 74), 46295#(<= ULTIMATE.start_main_~k~5 75), 46296#(<= ULTIMATE.start_main_~k~5 76), 46297#(<= ULTIMATE.start_main_~k~5 77), 46298#(<= ULTIMATE.start_main_~k~5 78), 46299#(<= ULTIMATE.start_main_~k~5 79), 46300#(<= ULTIMATE.start_main_~k~5 80), 46301#(<= ULTIMATE.start_main_~k~5 81), 46302#(<= ULTIMATE.start_main_~k~5 82), 46303#(<= ULTIMATE.start_main_~k~5 83), 46304#(<= ULTIMATE.start_main_~k~5 84), 46305#(<= ULTIMATE.start_main_~k~5 85), 46306#(<= ULTIMATE.start_main_~k~5 86), 46307#(<= ULTIMATE.start_main_~k~5 87), 46308#(<= ULTIMATE.start_main_~k~5 88), 46309#(<= ULTIMATE.start_main_~k~5 89), 46310#(<= ULTIMATE.start_main_~k~5 90), 46311#(<= ULTIMATE.start_main_~k~5 91), 46312#(<= ULTIMATE.start_main_~k~5 92), 46313#(<= ULTIMATE.start_main_~k~5 93), 46314#(<= ULTIMATE.start_main_~k~5 94), 46315#(<= ULTIMATE.start_main_~k~5 95), 46316#(<= ULTIMATE.start_main_~k~5 96), 46317#(<= ULTIMATE.start_main_~k~5 97), 46318#(<= ULTIMATE.start_main_~k~5 98)] [2018-07-23 13:45:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:44,801 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:45:44,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:45:44,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:45:44,803 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 101 states. [2018-07-23 13:45:44,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:44,999 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:45:44,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:45:44,999 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 200 [2018-07-23 13:45:44,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:45,000 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:45:45,001 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:45:45,002 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:45:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:45:45,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:45:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:45:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:45:45,009 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:45:45,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:45,009 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:45:45,009 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:45:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:45:45,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:45:45,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:45,011 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:45:45,011 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:45,011 INFO L82 PathProgramCache]: Analyzing trace with hash 158407477, now seen corresponding path program 99 times [2018-07-23 13:45:45,011 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,484 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:45,484 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:45:45,484 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,484 INFO L185 omatonBuilderFactory]: Interpolants [47135#true, 47136#false, 47137#(<= ULTIMATE.start_main_~k~5 0), 47138#(<= ULTIMATE.start_main_~k~5 1), 47139#(<= ULTIMATE.start_main_~k~5 2), 47140#(<= ULTIMATE.start_main_~k~5 3), 47141#(<= ULTIMATE.start_main_~k~5 4), 47142#(<= ULTIMATE.start_main_~k~5 5), 47143#(<= ULTIMATE.start_main_~k~5 6), 47144#(<= ULTIMATE.start_main_~k~5 7), 47145#(<= ULTIMATE.start_main_~k~5 8), 47146#(<= ULTIMATE.start_main_~k~5 9), 47147#(<= ULTIMATE.start_main_~k~5 10), 47148#(<= ULTIMATE.start_main_~k~5 11), 47149#(<= ULTIMATE.start_main_~k~5 12), 47150#(<= ULTIMATE.start_main_~k~5 13), 47151#(<= ULTIMATE.start_main_~k~5 14), 47152#(<= ULTIMATE.start_main_~k~5 15), 47153#(<= ULTIMATE.start_main_~k~5 16), 47154#(<= ULTIMATE.start_main_~k~5 17), 47155#(<= ULTIMATE.start_main_~k~5 18), 47156#(<= ULTIMATE.start_main_~k~5 19), 47157#(<= ULTIMATE.start_main_~k~5 20), 47158#(<= ULTIMATE.start_main_~k~5 21), 47159#(<= ULTIMATE.start_main_~k~5 22), 47160#(<= ULTIMATE.start_main_~k~5 23), 47161#(<= ULTIMATE.start_main_~k~5 24), 47162#(<= ULTIMATE.start_main_~k~5 25), 47163#(<= ULTIMATE.start_main_~k~5 26), 47164#(<= ULTIMATE.start_main_~k~5 27), 47165#(<= ULTIMATE.start_main_~k~5 28), 47166#(<= ULTIMATE.start_main_~k~5 29), 47167#(<= ULTIMATE.start_main_~k~5 30), 47168#(<= ULTIMATE.start_main_~k~5 31), 47169#(<= ULTIMATE.start_main_~k~5 32), 47170#(<= ULTIMATE.start_main_~k~5 33), 47171#(<= ULTIMATE.start_main_~k~5 34), 47172#(<= ULTIMATE.start_main_~k~5 35), 47173#(<= ULTIMATE.start_main_~k~5 36), 47174#(<= ULTIMATE.start_main_~k~5 37), 47175#(<= ULTIMATE.start_main_~k~5 38), 47176#(<= ULTIMATE.start_main_~k~5 39), 47177#(<= ULTIMATE.start_main_~k~5 40), 47178#(<= ULTIMATE.start_main_~k~5 41), 47179#(<= ULTIMATE.start_main_~k~5 42), 47180#(<= ULTIMATE.start_main_~k~5 43), 47181#(<= ULTIMATE.start_main_~k~5 44), 47182#(<= ULTIMATE.start_main_~k~5 45), 47183#(<= ULTIMATE.start_main_~k~5 46), 47184#(<= ULTIMATE.start_main_~k~5 47), 47185#(<= ULTIMATE.start_main_~k~5 48), 47186#(<= ULTIMATE.start_main_~k~5 49), 47187#(<= ULTIMATE.start_main_~k~5 50), 47188#(<= ULTIMATE.start_main_~k~5 51), 47189#(<= ULTIMATE.start_main_~k~5 52), 47190#(<= ULTIMATE.start_main_~k~5 53), 47191#(<= ULTIMATE.start_main_~k~5 54), 47192#(<= ULTIMATE.start_main_~k~5 55), 47193#(<= ULTIMATE.start_main_~k~5 56), 47194#(<= ULTIMATE.start_main_~k~5 57), 47195#(<= ULTIMATE.start_main_~k~5 58), 47196#(<= ULTIMATE.start_main_~k~5 59), 47197#(<= ULTIMATE.start_main_~k~5 60), 47198#(<= ULTIMATE.start_main_~k~5 61), 47199#(<= ULTIMATE.start_main_~k~5 62), 47200#(<= ULTIMATE.start_main_~k~5 63), 47201#(<= ULTIMATE.start_main_~k~5 64), 47202#(<= ULTIMATE.start_main_~k~5 65), 47203#(<= ULTIMATE.start_main_~k~5 66), 47204#(<= ULTIMATE.start_main_~k~5 67), 47205#(<= ULTIMATE.start_main_~k~5 68), 47206#(<= ULTIMATE.start_main_~k~5 69), 47207#(<= ULTIMATE.start_main_~k~5 70), 47208#(<= ULTIMATE.start_main_~k~5 71), 47209#(<= ULTIMATE.start_main_~k~5 72), 47210#(<= ULTIMATE.start_main_~k~5 73), 47211#(<= ULTIMATE.start_main_~k~5 74), 47212#(<= ULTIMATE.start_main_~k~5 75), 47213#(<= ULTIMATE.start_main_~k~5 76), 47214#(<= ULTIMATE.start_main_~k~5 77), 47215#(<= ULTIMATE.start_main_~k~5 78), 47216#(<= ULTIMATE.start_main_~k~5 79), 47217#(<= ULTIMATE.start_main_~k~5 80), 47218#(<= ULTIMATE.start_main_~k~5 81), 47219#(<= ULTIMATE.start_main_~k~5 82), 47220#(<= ULTIMATE.start_main_~k~5 83), 47221#(<= ULTIMATE.start_main_~k~5 84), 47222#(<= ULTIMATE.start_main_~k~5 85), 47223#(<= ULTIMATE.start_main_~k~5 86), 47224#(<= ULTIMATE.start_main_~k~5 87), 47225#(<= ULTIMATE.start_main_~k~5 88), 47226#(<= ULTIMATE.start_main_~k~5 89), 47227#(<= ULTIMATE.start_main_~k~5 90), 47228#(<= ULTIMATE.start_main_~k~5 91), 47229#(<= ULTIMATE.start_main_~k~5 92), 47230#(<= ULTIMATE.start_main_~k~5 93), 47231#(<= ULTIMATE.start_main_~k~5 94), 47232#(<= ULTIMATE.start_main_~k~5 95), 47233#(<= ULTIMATE.start_main_~k~5 96), 47234#(<= ULTIMATE.start_main_~k~5 97), 47235#(<= ULTIMATE.start_main_~k~5 98), 47236#(<= ULTIMATE.start_main_~k~5 99)] [2018-07-23 13:45:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:45,485 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:45:45,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:45:45,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:45:45,487 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 102 states. [2018-07-23 13:45:45,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:45,676 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:45:45,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:45:45,676 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 202 [2018-07-23 13:45:45,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:45,677 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:45:45,677 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:45:45,679 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:45:45,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:45:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:45:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:45:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:45:45,685 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:45:45,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:45,685 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:45:45,685 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:45:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:45:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:45:45,687 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:45,687 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:45:45,687 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:45,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1905782127, now seen corresponding path program 100 times [2018-07-23 13:45:45,688 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,200 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:46,200 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:45:46,200 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,201 INFO L185 omatonBuilderFactory]: Interpolants [48128#(<= ULTIMATE.start_main_~k~5 65), 48129#(<= ULTIMATE.start_main_~k~5 66), 48130#(<= ULTIMATE.start_main_~k~5 67), 48131#(<= ULTIMATE.start_main_~k~5 68), 48132#(<= ULTIMATE.start_main_~k~5 69), 48133#(<= ULTIMATE.start_main_~k~5 70), 48134#(<= ULTIMATE.start_main_~k~5 71), 48135#(<= ULTIMATE.start_main_~k~5 72), 48136#(<= ULTIMATE.start_main_~k~5 73), 48137#(<= ULTIMATE.start_main_~k~5 74), 48138#(<= ULTIMATE.start_main_~k~5 75), 48139#(<= ULTIMATE.start_main_~k~5 76), 48140#(<= ULTIMATE.start_main_~k~5 77), 48141#(<= ULTIMATE.start_main_~k~5 78), 48142#(<= ULTIMATE.start_main_~k~5 79), 48143#(<= ULTIMATE.start_main_~k~5 80), 48144#(<= ULTIMATE.start_main_~k~5 81), 48145#(<= ULTIMATE.start_main_~k~5 82), 48146#(<= ULTIMATE.start_main_~k~5 83), 48147#(<= ULTIMATE.start_main_~k~5 84), 48148#(<= ULTIMATE.start_main_~k~5 85), 48149#(<= ULTIMATE.start_main_~k~5 86), 48150#(<= ULTIMATE.start_main_~k~5 87), 48151#(<= ULTIMATE.start_main_~k~5 88), 48152#(<= ULTIMATE.start_main_~k~5 89), 48153#(<= ULTIMATE.start_main_~k~5 90), 48154#(<= ULTIMATE.start_main_~k~5 91), 48155#(<= ULTIMATE.start_main_~k~5 92), 48156#(<= ULTIMATE.start_main_~k~5 93), 48157#(<= ULTIMATE.start_main_~k~5 94), 48158#(<= ULTIMATE.start_main_~k~5 95), 48159#(<= ULTIMATE.start_main_~k~5 96), 48160#(<= ULTIMATE.start_main_~k~5 97), 48161#(<= ULTIMATE.start_main_~k~5 98), 48162#(<= ULTIMATE.start_main_~k~5 99), 48163#(<= ULTIMATE.start_main_~k~5 100), 48061#true, 48062#false, 48063#(<= ULTIMATE.start_main_~k~5 0), 48064#(<= ULTIMATE.start_main_~k~5 1), 48065#(<= ULTIMATE.start_main_~k~5 2), 48066#(<= ULTIMATE.start_main_~k~5 3), 48067#(<= ULTIMATE.start_main_~k~5 4), 48068#(<= ULTIMATE.start_main_~k~5 5), 48069#(<= ULTIMATE.start_main_~k~5 6), 48070#(<= ULTIMATE.start_main_~k~5 7), 48071#(<= ULTIMATE.start_main_~k~5 8), 48072#(<= ULTIMATE.start_main_~k~5 9), 48073#(<= ULTIMATE.start_main_~k~5 10), 48074#(<= ULTIMATE.start_main_~k~5 11), 48075#(<= ULTIMATE.start_main_~k~5 12), 48076#(<= ULTIMATE.start_main_~k~5 13), 48077#(<= ULTIMATE.start_main_~k~5 14), 48078#(<= ULTIMATE.start_main_~k~5 15), 48079#(<= ULTIMATE.start_main_~k~5 16), 48080#(<= ULTIMATE.start_main_~k~5 17), 48081#(<= ULTIMATE.start_main_~k~5 18), 48082#(<= ULTIMATE.start_main_~k~5 19), 48083#(<= ULTIMATE.start_main_~k~5 20), 48084#(<= ULTIMATE.start_main_~k~5 21), 48085#(<= ULTIMATE.start_main_~k~5 22), 48086#(<= ULTIMATE.start_main_~k~5 23), 48087#(<= ULTIMATE.start_main_~k~5 24), 48088#(<= ULTIMATE.start_main_~k~5 25), 48089#(<= ULTIMATE.start_main_~k~5 26), 48090#(<= ULTIMATE.start_main_~k~5 27), 48091#(<= ULTIMATE.start_main_~k~5 28), 48092#(<= ULTIMATE.start_main_~k~5 29), 48093#(<= ULTIMATE.start_main_~k~5 30), 48094#(<= ULTIMATE.start_main_~k~5 31), 48095#(<= ULTIMATE.start_main_~k~5 32), 48096#(<= ULTIMATE.start_main_~k~5 33), 48097#(<= ULTIMATE.start_main_~k~5 34), 48098#(<= ULTIMATE.start_main_~k~5 35), 48099#(<= ULTIMATE.start_main_~k~5 36), 48100#(<= ULTIMATE.start_main_~k~5 37), 48101#(<= ULTIMATE.start_main_~k~5 38), 48102#(<= ULTIMATE.start_main_~k~5 39), 48103#(<= ULTIMATE.start_main_~k~5 40), 48104#(<= ULTIMATE.start_main_~k~5 41), 48105#(<= ULTIMATE.start_main_~k~5 42), 48106#(<= ULTIMATE.start_main_~k~5 43), 48107#(<= ULTIMATE.start_main_~k~5 44), 48108#(<= ULTIMATE.start_main_~k~5 45), 48109#(<= ULTIMATE.start_main_~k~5 46), 48110#(<= ULTIMATE.start_main_~k~5 47), 48111#(<= ULTIMATE.start_main_~k~5 48), 48112#(<= ULTIMATE.start_main_~k~5 49), 48113#(<= ULTIMATE.start_main_~k~5 50), 48114#(<= ULTIMATE.start_main_~k~5 51), 48115#(<= ULTIMATE.start_main_~k~5 52), 48116#(<= ULTIMATE.start_main_~k~5 53), 48117#(<= ULTIMATE.start_main_~k~5 54), 48118#(<= ULTIMATE.start_main_~k~5 55), 48119#(<= ULTIMATE.start_main_~k~5 56), 48120#(<= ULTIMATE.start_main_~k~5 57), 48121#(<= ULTIMATE.start_main_~k~5 58), 48122#(<= ULTIMATE.start_main_~k~5 59), 48123#(<= ULTIMATE.start_main_~k~5 60), 48124#(<= ULTIMATE.start_main_~k~5 61), 48125#(<= ULTIMATE.start_main_~k~5 62), 48126#(<= ULTIMATE.start_main_~k~5 63), 48127#(<= ULTIMATE.start_main_~k~5 64)] [2018-07-23 13:45:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,202 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:45:46,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:45:46,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:45:46,204 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 103 states. [2018-07-23 13:45:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:46,294 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:45:46,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:45:46,294 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 204 [2018-07-23 13:45:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:46,295 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:45:46,295 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:45:46,297 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:45:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:45:46,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:45:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:45:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:45:46,304 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:45:46,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:46,304 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:45:46,305 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:45:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:45:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:45:46,306 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:46,306 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:45:46,306 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:46,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1800608041, now seen corresponding path program 101 times [2018-07-23 13:45:46,306 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,884 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:46,884 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:45:46,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,885 INFO L185 omatonBuilderFactory]: Interpolants [48996#true, 48997#false, 48998#(<= ULTIMATE.start_main_~k~5 0), 48999#(<= ULTIMATE.start_main_~k~5 1), 49000#(<= ULTIMATE.start_main_~k~5 2), 49001#(<= ULTIMATE.start_main_~k~5 3), 49002#(<= ULTIMATE.start_main_~k~5 4), 49003#(<= ULTIMATE.start_main_~k~5 5), 49004#(<= ULTIMATE.start_main_~k~5 6), 49005#(<= ULTIMATE.start_main_~k~5 7), 49006#(<= ULTIMATE.start_main_~k~5 8), 49007#(<= ULTIMATE.start_main_~k~5 9), 49008#(<= ULTIMATE.start_main_~k~5 10), 49009#(<= ULTIMATE.start_main_~k~5 11), 49010#(<= ULTIMATE.start_main_~k~5 12), 49011#(<= ULTIMATE.start_main_~k~5 13), 49012#(<= ULTIMATE.start_main_~k~5 14), 49013#(<= ULTIMATE.start_main_~k~5 15), 49014#(<= ULTIMATE.start_main_~k~5 16), 49015#(<= ULTIMATE.start_main_~k~5 17), 49016#(<= ULTIMATE.start_main_~k~5 18), 49017#(<= ULTIMATE.start_main_~k~5 19), 49018#(<= ULTIMATE.start_main_~k~5 20), 49019#(<= ULTIMATE.start_main_~k~5 21), 49020#(<= ULTIMATE.start_main_~k~5 22), 49021#(<= ULTIMATE.start_main_~k~5 23), 49022#(<= ULTIMATE.start_main_~k~5 24), 49023#(<= ULTIMATE.start_main_~k~5 25), 49024#(<= ULTIMATE.start_main_~k~5 26), 49025#(<= ULTIMATE.start_main_~k~5 27), 49026#(<= ULTIMATE.start_main_~k~5 28), 49027#(<= ULTIMATE.start_main_~k~5 29), 49028#(<= ULTIMATE.start_main_~k~5 30), 49029#(<= ULTIMATE.start_main_~k~5 31), 49030#(<= ULTIMATE.start_main_~k~5 32), 49031#(<= ULTIMATE.start_main_~k~5 33), 49032#(<= ULTIMATE.start_main_~k~5 34), 49033#(<= ULTIMATE.start_main_~k~5 35), 49034#(<= ULTIMATE.start_main_~k~5 36), 49035#(<= ULTIMATE.start_main_~k~5 37), 49036#(<= ULTIMATE.start_main_~k~5 38), 49037#(<= ULTIMATE.start_main_~k~5 39), 49038#(<= ULTIMATE.start_main_~k~5 40), 49039#(<= ULTIMATE.start_main_~k~5 41), 49040#(<= ULTIMATE.start_main_~k~5 42), 49041#(<= ULTIMATE.start_main_~k~5 43), 49042#(<= ULTIMATE.start_main_~k~5 44), 49043#(<= ULTIMATE.start_main_~k~5 45), 49044#(<= ULTIMATE.start_main_~k~5 46), 49045#(<= ULTIMATE.start_main_~k~5 47), 49046#(<= ULTIMATE.start_main_~k~5 48), 49047#(<= ULTIMATE.start_main_~k~5 49), 49048#(<= ULTIMATE.start_main_~k~5 50), 49049#(<= ULTIMATE.start_main_~k~5 51), 49050#(<= ULTIMATE.start_main_~k~5 52), 49051#(<= ULTIMATE.start_main_~k~5 53), 49052#(<= ULTIMATE.start_main_~k~5 54), 49053#(<= ULTIMATE.start_main_~k~5 55), 49054#(<= ULTIMATE.start_main_~k~5 56), 49055#(<= ULTIMATE.start_main_~k~5 57), 49056#(<= ULTIMATE.start_main_~k~5 58), 49057#(<= ULTIMATE.start_main_~k~5 59), 49058#(<= ULTIMATE.start_main_~k~5 60), 49059#(<= ULTIMATE.start_main_~k~5 61), 49060#(<= ULTIMATE.start_main_~k~5 62), 49061#(<= ULTIMATE.start_main_~k~5 63), 49062#(<= ULTIMATE.start_main_~k~5 64), 49063#(<= ULTIMATE.start_main_~k~5 65), 49064#(<= ULTIMATE.start_main_~k~5 66), 49065#(<= ULTIMATE.start_main_~k~5 67), 49066#(<= ULTIMATE.start_main_~k~5 68), 49067#(<= ULTIMATE.start_main_~k~5 69), 49068#(<= ULTIMATE.start_main_~k~5 70), 49069#(<= ULTIMATE.start_main_~k~5 71), 49070#(<= ULTIMATE.start_main_~k~5 72), 49071#(<= ULTIMATE.start_main_~k~5 73), 49072#(<= ULTIMATE.start_main_~k~5 74), 49073#(<= ULTIMATE.start_main_~k~5 75), 49074#(<= ULTIMATE.start_main_~k~5 76), 49075#(<= ULTIMATE.start_main_~k~5 77), 49076#(<= ULTIMATE.start_main_~k~5 78), 49077#(<= ULTIMATE.start_main_~k~5 79), 49078#(<= ULTIMATE.start_main_~k~5 80), 49079#(<= ULTIMATE.start_main_~k~5 81), 49080#(<= ULTIMATE.start_main_~k~5 82), 49081#(<= ULTIMATE.start_main_~k~5 83), 49082#(<= ULTIMATE.start_main_~k~5 84), 49083#(<= ULTIMATE.start_main_~k~5 85), 49084#(<= ULTIMATE.start_main_~k~5 86), 49085#(<= ULTIMATE.start_main_~k~5 87), 49086#(<= ULTIMATE.start_main_~k~5 88), 49087#(<= ULTIMATE.start_main_~k~5 89), 49088#(<= ULTIMATE.start_main_~k~5 90), 49089#(<= ULTIMATE.start_main_~k~5 91), 49090#(<= ULTIMATE.start_main_~k~5 92), 49091#(<= ULTIMATE.start_main_~k~5 93), 49092#(<= ULTIMATE.start_main_~k~5 94), 49093#(<= ULTIMATE.start_main_~k~5 95), 49094#(<= ULTIMATE.start_main_~k~5 96), 49095#(<= ULTIMATE.start_main_~k~5 97), 49096#(<= ULTIMATE.start_main_~k~5 98), 49097#(<= ULTIMATE.start_main_~k~5 99), 49098#(<= ULTIMATE.start_main_~k~5 100), 49099#(<= ULTIMATE.start_main_~k~5 101)] [2018-07-23 13:45:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:46,886 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:45:46,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:45:46,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:45:46,888 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 104 states. [2018-07-23 13:45:47,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:47,052 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:45:47,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:45:47,052 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 206 [2018-07-23 13:45:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:47,054 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:45:47,054 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:45:47,055 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 13:45:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:45:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:45:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:45:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:45:47,059 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 206 [2018-07-23 13:45:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:47,059 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:45:47,059 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:45:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:45:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:45:47,061 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:47,061 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1] [2018-07-23 13:45:47,061 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:47,061 INFO L82 PathProgramCache]: Analyzing trace with hash -487440797, now seen corresponding path program 102 times [2018-07-23 13:45:47,061 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:47,631 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:47,632 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:45:47,632 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:47,632 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 13:45:47,632 INFO L185 omatonBuilderFactory]: Interpolants [49940#true, 49941#false, 49942#(<= ULTIMATE.start_main_~k~5 0), 49943#(<= ULTIMATE.start_main_~k~5 1), 49944#(<= ULTIMATE.start_main_~k~5 2), 49945#(<= ULTIMATE.start_main_~k~5 3), 49946#(<= ULTIMATE.start_main_~k~5 4), 49947#(<= ULTIMATE.start_main_~k~5 5), 49948#(<= ULTIMATE.start_main_~k~5 6), 49949#(<= ULTIMATE.start_main_~k~5 7), 49950#(<= ULTIMATE.start_main_~k~5 8), 49951#(<= ULTIMATE.start_main_~k~5 9), 49952#(<= ULTIMATE.start_main_~k~5 10), 49953#(<= ULTIMATE.start_main_~k~5 11), 49954#(<= ULTIMATE.start_main_~k~5 12), 49955#(<= ULTIMATE.start_main_~k~5 13), 49956#(<= ULTIMATE.start_main_~k~5 14), 49957#(<= ULTIMATE.start_main_~k~5 15), 49958#(<= ULTIMATE.start_main_~k~5 16), 49959#(<= ULTIMATE.start_main_~k~5 17), 49960#(<= ULTIMATE.start_main_~k~5 18), 49961#(<= ULTIMATE.start_main_~k~5 19), 49962#(<= ULTIMATE.start_main_~k~5 20), 49963#(<= ULTIMATE.start_main_~k~5 21), 49964#(<= ULTIMATE.start_main_~k~5 22), 49965#(<= ULTIMATE.start_main_~k~5 23), 49966#(<= ULTIMATE.start_main_~k~5 24), 49967#(<= ULTIMATE.start_main_~k~5 25), 49968#(<= ULTIMATE.start_main_~k~5 26), 49969#(<= ULTIMATE.start_main_~k~5 27), 49970#(<= ULTIMATE.start_main_~k~5 28), 49971#(<= ULTIMATE.start_main_~k~5 29), 49972#(<= ULTIMATE.start_main_~k~5 30), 49973#(<= ULTIMATE.start_main_~k~5 31), 49974#(<= ULTIMATE.start_main_~k~5 32), 49975#(<= ULTIMATE.start_main_~k~5 33), 49976#(<= ULTIMATE.start_main_~k~5 34), 49977#(<= ULTIMATE.start_main_~k~5 35), 49978#(<= ULTIMATE.start_main_~k~5 36), 49979#(<= ULTIMATE.start_main_~k~5 37), 49980#(<= ULTIMATE.start_main_~k~5 38), 49981#(<= ULTIMATE.start_main_~k~5 39), 49982#(<= ULTIMATE.start_main_~k~5 40), 49983#(<= ULTIMATE.start_main_~k~5 41), 49984#(<= ULTIMATE.start_main_~k~5 42), 49985#(<= ULTIMATE.start_main_~k~5 43), 49986#(<= ULTIMATE.start_main_~k~5 44), 49987#(<= ULTIMATE.start_main_~k~5 45), 49988#(<= ULTIMATE.start_main_~k~5 46), 49989#(<= ULTIMATE.start_main_~k~5 47), 49990#(<= ULTIMATE.start_main_~k~5 48), 49991#(<= ULTIMATE.start_main_~k~5 49), 49992#(<= ULTIMATE.start_main_~k~5 50), 49993#(<= ULTIMATE.start_main_~k~5 51), 49994#(<= ULTIMATE.start_main_~k~5 52), 49995#(<= ULTIMATE.start_main_~k~5 53), 49996#(<= ULTIMATE.start_main_~k~5 54), 49997#(<= ULTIMATE.start_main_~k~5 55), 49998#(<= ULTIMATE.start_main_~k~5 56), 49999#(<= ULTIMATE.start_main_~k~5 57), 50000#(<= ULTIMATE.start_main_~k~5 58), 50001#(<= ULTIMATE.start_main_~k~5 59), 50002#(<= ULTIMATE.start_main_~k~5 60), 50003#(<= ULTIMATE.start_main_~k~5 61), 50004#(<= ULTIMATE.start_main_~k~5 62), 50005#(<= ULTIMATE.start_main_~k~5 63), 50006#(<= ULTIMATE.start_main_~k~5 64), 50007#(<= ULTIMATE.start_main_~k~5 65), 50008#(<= ULTIMATE.start_main_~k~5 66), 50009#(<= ULTIMATE.start_main_~k~5 67), 50010#(<= ULTIMATE.start_main_~k~5 68), 50011#(<= ULTIMATE.start_main_~k~5 69), 50012#(<= ULTIMATE.start_main_~k~5 70), 50013#(<= ULTIMATE.start_main_~k~5 71), 50014#(<= ULTIMATE.start_main_~k~5 72), 50015#(<= ULTIMATE.start_main_~k~5 73), 50016#(<= ULTIMATE.start_main_~k~5 74), 50017#(<= ULTIMATE.start_main_~k~5 75), 50018#(<= ULTIMATE.start_main_~k~5 76), 50019#(<= ULTIMATE.start_main_~k~5 77), 50020#(<= ULTIMATE.start_main_~k~5 78), 50021#(<= ULTIMATE.start_main_~k~5 79), 50022#(<= ULTIMATE.start_main_~k~5 80), 50023#(<= ULTIMATE.start_main_~k~5 81), 50024#(<= ULTIMATE.start_main_~k~5 82), 50025#(<= ULTIMATE.start_main_~k~5 83), 50026#(<= ULTIMATE.start_main_~k~5 84), 50027#(<= ULTIMATE.start_main_~k~5 85), 50028#(<= ULTIMATE.start_main_~k~5 86), 50029#(<= ULTIMATE.start_main_~k~5 87), 50030#(<= ULTIMATE.start_main_~k~5 88), 50031#(<= ULTIMATE.start_main_~k~5 89), 50032#(<= ULTIMATE.start_main_~k~5 90), 50033#(<= ULTIMATE.start_main_~k~5 91), 50034#(<= ULTIMATE.start_main_~k~5 92), 50035#(<= ULTIMATE.start_main_~k~5 93), 50036#(<= ULTIMATE.start_main_~k~5 94), 50037#(<= ULTIMATE.start_main_~k~5 95), 50038#(<= ULTIMATE.start_main_~k~5 96), 50039#(<= ULTIMATE.start_main_~k~5 97), 50040#(<= ULTIMATE.start_main_~k~5 98), 50041#(<= ULTIMATE.start_main_~k~5 99), 50042#(<= ULTIMATE.start_main_~k~5 100), 50043#(<= ULTIMATE.start_main_~k~5 101), 50044#(<= ULTIMATE.start_main_~k~5 102)] [2018-07-23 13:45:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:47,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:45:47,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:45:47,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:45:47,634 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 105 states. [2018-07-23 13:45:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:47,810 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:45:47,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:45:47,810 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 208 [2018-07-23 13:45:47,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:47,811 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:45:47,811 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:45:47,811 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:45:47,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:45:47,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:45:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:45:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:45:47,816 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 208 [2018-07-23 13:45:47,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:47,817 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:45:47,817 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:45:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:45:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:45:47,818 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:47,818 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1] [2018-07-23 13:45:47,818 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:47,819 INFO L82 PathProgramCache]: Analyzing trace with hash -279118563, now seen corresponding path program 103 times [2018-07-23 13:45:47,819 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,417 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:48,417 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:45:48,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,418 INFO L185 omatonBuilderFactory]: Interpolants [50944#(<= ULTIMATE.start_main_~k~5 49), 50945#(<= ULTIMATE.start_main_~k~5 50), 50946#(<= ULTIMATE.start_main_~k~5 51), 50947#(<= ULTIMATE.start_main_~k~5 52), 50948#(<= ULTIMATE.start_main_~k~5 53), 50949#(<= ULTIMATE.start_main_~k~5 54), 50950#(<= ULTIMATE.start_main_~k~5 55), 50951#(<= ULTIMATE.start_main_~k~5 56), 50952#(<= ULTIMATE.start_main_~k~5 57), 50953#(<= ULTIMATE.start_main_~k~5 58), 50954#(<= ULTIMATE.start_main_~k~5 59), 50955#(<= ULTIMATE.start_main_~k~5 60), 50956#(<= ULTIMATE.start_main_~k~5 61), 50957#(<= ULTIMATE.start_main_~k~5 62), 50958#(<= ULTIMATE.start_main_~k~5 63), 50959#(<= ULTIMATE.start_main_~k~5 64), 50960#(<= ULTIMATE.start_main_~k~5 65), 50961#(<= ULTIMATE.start_main_~k~5 66), 50962#(<= ULTIMATE.start_main_~k~5 67), 50963#(<= ULTIMATE.start_main_~k~5 68), 50964#(<= ULTIMATE.start_main_~k~5 69), 50965#(<= ULTIMATE.start_main_~k~5 70), 50966#(<= ULTIMATE.start_main_~k~5 71), 50967#(<= ULTIMATE.start_main_~k~5 72), 50968#(<= ULTIMATE.start_main_~k~5 73), 50969#(<= ULTIMATE.start_main_~k~5 74), 50970#(<= ULTIMATE.start_main_~k~5 75), 50971#(<= ULTIMATE.start_main_~k~5 76), 50972#(<= ULTIMATE.start_main_~k~5 77), 50973#(<= ULTIMATE.start_main_~k~5 78), 50974#(<= ULTIMATE.start_main_~k~5 79), 50975#(<= ULTIMATE.start_main_~k~5 80), 50976#(<= ULTIMATE.start_main_~k~5 81), 50977#(<= ULTIMATE.start_main_~k~5 82), 50978#(<= ULTIMATE.start_main_~k~5 83), 50979#(<= ULTIMATE.start_main_~k~5 84), 50980#(<= ULTIMATE.start_main_~k~5 85), 50981#(<= ULTIMATE.start_main_~k~5 86), 50982#(<= ULTIMATE.start_main_~k~5 87), 50983#(<= ULTIMATE.start_main_~k~5 88), 50984#(<= ULTIMATE.start_main_~k~5 89), 50985#(<= ULTIMATE.start_main_~k~5 90), 50986#(<= ULTIMATE.start_main_~k~5 91), 50987#(<= ULTIMATE.start_main_~k~5 92), 50988#(<= ULTIMATE.start_main_~k~5 93), 50989#(<= ULTIMATE.start_main_~k~5 94), 50990#(<= ULTIMATE.start_main_~k~5 95), 50991#(<= ULTIMATE.start_main_~k~5 96), 50992#(<= ULTIMATE.start_main_~k~5 97), 50993#(<= ULTIMATE.start_main_~k~5 98), 50994#(<= ULTIMATE.start_main_~k~5 99), 50995#(<= ULTIMATE.start_main_~k~5 100), 50996#(<= ULTIMATE.start_main_~k~5 101), 50997#(<= ULTIMATE.start_main_~k~5 102), 50998#(<= ULTIMATE.start_main_~k~5 103), 50893#true, 50894#false, 50895#(<= ULTIMATE.start_main_~k~5 0), 50896#(<= ULTIMATE.start_main_~k~5 1), 50897#(<= ULTIMATE.start_main_~k~5 2), 50898#(<= ULTIMATE.start_main_~k~5 3), 50899#(<= ULTIMATE.start_main_~k~5 4), 50900#(<= ULTIMATE.start_main_~k~5 5), 50901#(<= ULTIMATE.start_main_~k~5 6), 50902#(<= ULTIMATE.start_main_~k~5 7), 50903#(<= ULTIMATE.start_main_~k~5 8), 50904#(<= ULTIMATE.start_main_~k~5 9), 50905#(<= ULTIMATE.start_main_~k~5 10), 50906#(<= ULTIMATE.start_main_~k~5 11), 50907#(<= ULTIMATE.start_main_~k~5 12), 50908#(<= ULTIMATE.start_main_~k~5 13), 50909#(<= ULTIMATE.start_main_~k~5 14), 50910#(<= ULTIMATE.start_main_~k~5 15), 50911#(<= ULTIMATE.start_main_~k~5 16), 50912#(<= ULTIMATE.start_main_~k~5 17), 50913#(<= ULTIMATE.start_main_~k~5 18), 50914#(<= ULTIMATE.start_main_~k~5 19), 50915#(<= ULTIMATE.start_main_~k~5 20), 50916#(<= ULTIMATE.start_main_~k~5 21), 50917#(<= ULTIMATE.start_main_~k~5 22), 50918#(<= ULTIMATE.start_main_~k~5 23), 50919#(<= ULTIMATE.start_main_~k~5 24), 50920#(<= ULTIMATE.start_main_~k~5 25), 50921#(<= ULTIMATE.start_main_~k~5 26), 50922#(<= ULTIMATE.start_main_~k~5 27), 50923#(<= ULTIMATE.start_main_~k~5 28), 50924#(<= ULTIMATE.start_main_~k~5 29), 50925#(<= ULTIMATE.start_main_~k~5 30), 50926#(<= ULTIMATE.start_main_~k~5 31), 50927#(<= ULTIMATE.start_main_~k~5 32), 50928#(<= ULTIMATE.start_main_~k~5 33), 50929#(<= ULTIMATE.start_main_~k~5 34), 50930#(<= ULTIMATE.start_main_~k~5 35), 50931#(<= ULTIMATE.start_main_~k~5 36), 50932#(<= ULTIMATE.start_main_~k~5 37), 50933#(<= ULTIMATE.start_main_~k~5 38), 50934#(<= ULTIMATE.start_main_~k~5 39), 50935#(<= ULTIMATE.start_main_~k~5 40), 50936#(<= ULTIMATE.start_main_~k~5 41), 50937#(<= ULTIMATE.start_main_~k~5 42), 50938#(<= ULTIMATE.start_main_~k~5 43), 50939#(<= ULTIMATE.start_main_~k~5 44), 50940#(<= ULTIMATE.start_main_~k~5 45), 50941#(<= ULTIMATE.start_main_~k~5 46), 50942#(<= ULTIMATE.start_main_~k~5 47), 50943#(<= ULTIMATE.start_main_~k~5 48)] [2018-07-23 13:45:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,418 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:45:48,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:45:48,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:45:48,421 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 106 states. [2018-07-23 13:45:48,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:48,521 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:45:48,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:45:48,521 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 210 [2018-07-23 13:45:48,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:48,522 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:45:48,522 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:45:48,524 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:45:48,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:45:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:45:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:45:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:45:48,529 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 210 [2018-07-23 13:45:48,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:48,529 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:45:48,529 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:45:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:45:48,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:45:48,531 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:48,531 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1] [2018-07-23 13:45:48,531 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:48,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1944914601, now seen corresponding path program 104 times [2018-07-23 13:45:48,531 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,971 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:48,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:45:48,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,972 INFO L185 omatonBuilderFactory]: Interpolants [51855#true, 51856#false, 51857#(<= ULTIMATE.start_main_~k~5 0), 51858#(<= ULTIMATE.start_main_~k~5 1), 51859#(<= ULTIMATE.start_main_~k~5 2), 51860#(<= ULTIMATE.start_main_~k~5 3), 51861#(<= ULTIMATE.start_main_~k~5 4), 51862#(<= ULTIMATE.start_main_~k~5 5), 51863#(<= ULTIMATE.start_main_~k~5 6), 51864#(<= ULTIMATE.start_main_~k~5 7), 51865#(<= ULTIMATE.start_main_~k~5 8), 51866#(<= ULTIMATE.start_main_~k~5 9), 51867#(<= ULTIMATE.start_main_~k~5 10), 51868#(<= ULTIMATE.start_main_~k~5 11), 51869#(<= ULTIMATE.start_main_~k~5 12), 51870#(<= ULTIMATE.start_main_~k~5 13), 51871#(<= ULTIMATE.start_main_~k~5 14), 51872#(<= ULTIMATE.start_main_~k~5 15), 51873#(<= ULTIMATE.start_main_~k~5 16), 51874#(<= ULTIMATE.start_main_~k~5 17), 51875#(<= ULTIMATE.start_main_~k~5 18), 51876#(<= ULTIMATE.start_main_~k~5 19), 51877#(<= ULTIMATE.start_main_~k~5 20), 51878#(<= ULTIMATE.start_main_~k~5 21), 51879#(<= ULTIMATE.start_main_~k~5 22), 51880#(<= ULTIMATE.start_main_~k~5 23), 51881#(<= ULTIMATE.start_main_~k~5 24), 51882#(<= ULTIMATE.start_main_~k~5 25), 51883#(<= ULTIMATE.start_main_~k~5 26), 51884#(<= ULTIMATE.start_main_~k~5 27), 51885#(<= ULTIMATE.start_main_~k~5 28), 51886#(<= ULTIMATE.start_main_~k~5 29), 51887#(<= ULTIMATE.start_main_~k~5 30), 51888#(<= ULTIMATE.start_main_~k~5 31), 51889#(<= ULTIMATE.start_main_~k~5 32), 51890#(<= ULTIMATE.start_main_~k~5 33), 51891#(<= ULTIMATE.start_main_~k~5 34), 51892#(<= ULTIMATE.start_main_~k~5 35), 51893#(<= ULTIMATE.start_main_~k~5 36), 51894#(<= ULTIMATE.start_main_~k~5 37), 51895#(<= ULTIMATE.start_main_~k~5 38), 51896#(<= ULTIMATE.start_main_~k~5 39), 51897#(<= ULTIMATE.start_main_~k~5 40), 51898#(<= ULTIMATE.start_main_~k~5 41), 51899#(<= ULTIMATE.start_main_~k~5 42), 51900#(<= ULTIMATE.start_main_~k~5 43), 51901#(<= ULTIMATE.start_main_~k~5 44), 51902#(<= ULTIMATE.start_main_~k~5 45), 51903#(<= ULTIMATE.start_main_~k~5 46), 51904#(<= ULTIMATE.start_main_~k~5 47), 51905#(<= ULTIMATE.start_main_~k~5 48), 51906#(<= ULTIMATE.start_main_~k~5 49), 51907#(<= ULTIMATE.start_main_~k~5 50), 51908#(<= ULTIMATE.start_main_~k~5 51), 51909#(<= ULTIMATE.start_main_~k~5 52), 51910#(<= ULTIMATE.start_main_~k~5 53), 51911#(<= ULTIMATE.start_main_~k~5 54), 51912#(<= ULTIMATE.start_main_~k~5 55), 51913#(<= ULTIMATE.start_main_~k~5 56), 51914#(<= ULTIMATE.start_main_~k~5 57), 51915#(<= ULTIMATE.start_main_~k~5 58), 51916#(<= ULTIMATE.start_main_~k~5 59), 51917#(<= ULTIMATE.start_main_~k~5 60), 51918#(<= ULTIMATE.start_main_~k~5 61), 51919#(<= ULTIMATE.start_main_~k~5 62), 51920#(<= ULTIMATE.start_main_~k~5 63), 51921#(<= ULTIMATE.start_main_~k~5 64), 51922#(<= ULTIMATE.start_main_~k~5 65), 51923#(<= ULTIMATE.start_main_~k~5 66), 51924#(<= ULTIMATE.start_main_~k~5 67), 51925#(<= ULTIMATE.start_main_~k~5 68), 51926#(<= ULTIMATE.start_main_~k~5 69), 51927#(<= ULTIMATE.start_main_~k~5 70), 51928#(<= ULTIMATE.start_main_~k~5 71), 51929#(<= ULTIMATE.start_main_~k~5 72), 51930#(<= ULTIMATE.start_main_~k~5 73), 51931#(<= ULTIMATE.start_main_~k~5 74), 51932#(<= ULTIMATE.start_main_~k~5 75), 51933#(<= ULTIMATE.start_main_~k~5 76), 51934#(<= ULTIMATE.start_main_~k~5 77), 51935#(<= ULTIMATE.start_main_~k~5 78), 51936#(<= ULTIMATE.start_main_~k~5 79), 51937#(<= ULTIMATE.start_main_~k~5 80), 51938#(<= ULTIMATE.start_main_~k~5 81), 51939#(<= ULTIMATE.start_main_~k~5 82), 51940#(<= ULTIMATE.start_main_~k~5 83), 51941#(<= ULTIMATE.start_main_~k~5 84), 51942#(<= ULTIMATE.start_main_~k~5 85), 51943#(<= ULTIMATE.start_main_~k~5 86), 51944#(<= ULTIMATE.start_main_~k~5 87), 51945#(<= ULTIMATE.start_main_~k~5 88), 51946#(<= ULTIMATE.start_main_~k~5 89), 51947#(<= ULTIMATE.start_main_~k~5 90), 51948#(<= ULTIMATE.start_main_~k~5 91), 51949#(<= ULTIMATE.start_main_~k~5 92), 51950#(<= ULTIMATE.start_main_~k~5 93), 51951#(<= ULTIMATE.start_main_~k~5 94), 51952#(<= ULTIMATE.start_main_~k~5 95), 51953#(<= ULTIMATE.start_main_~k~5 96), 51954#(<= ULTIMATE.start_main_~k~5 97), 51955#(<= ULTIMATE.start_main_~k~5 98), 51956#(<= ULTIMATE.start_main_~k~5 99), 51957#(<= ULTIMATE.start_main_~k~5 100), 51958#(<= ULTIMATE.start_main_~k~5 101), 51959#(<= ULTIMATE.start_main_~k~5 102), 51960#(<= ULTIMATE.start_main_~k~5 103), 51961#(<= ULTIMATE.start_main_~k~5 104)] [2018-07-23 13:45:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:48,973 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:45:48,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:45:48,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:45:48,975 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 107 states. [2018-07-23 13:45:49,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:49,209 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:45:49,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:45:49,209 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 212 [2018-07-23 13:45:49,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:49,210 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:45:49,210 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:45:49,211 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:45:49,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:45:49,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:45:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:45:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:45:49,216 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 212 [2018-07-23 13:45:49,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:49,216 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:45:49,216 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:45:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:45:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:45:49,217 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:49,218 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1] [2018-07-23 13:45:49,218 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:49,218 INFO L82 PathProgramCache]: Analyzing trace with hash -752105711, now seen corresponding path program 105 times [2018-07-23 13:45:49,218 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:49,772 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:49,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:45:49,773 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:49,773 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 13:45:49,773 INFO L185 omatonBuilderFactory]: Interpolants [52826#true, 52827#false, 52828#(<= ULTIMATE.start_main_~k~5 0), 52829#(<= ULTIMATE.start_main_~k~5 1), 52830#(<= ULTIMATE.start_main_~k~5 2), 52831#(<= ULTIMATE.start_main_~k~5 3), 52832#(<= ULTIMATE.start_main_~k~5 4), 52833#(<= ULTIMATE.start_main_~k~5 5), 52834#(<= ULTIMATE.start_main_~k~5 6), 52835#(<= ULTIMATE.start_main_~k~5 7), 52836#(<= ULTIMATE.start_main_~k~5 8), 52837#(<= ULTIMATE.start_main_~k~5 9), 52838#(<= ULTIMATE.start_main_~k~5 10), 52839#(<= ULTIMATE.start_main_~k~5 11), 52840#(<= ULTIMATE.start_main_~k~5 12), 52841#(<= ULTIMATE.start_main_~k~5 13), 52842#(<= ULTIMATE.start_main_~k~5 14), 52843#(<= ULTIMATE.start_main_~k~5 15), 52844#(<= ULTIMATE.start_main_~k~5 16), 52845#(<= ULTIMATE.start_main_~k~5 17), 52846#(<= ULTIMATE.start_main_~k~5 18), 52847#(<= ULTIMATE.start_main_~k~5 19), 52848#(<= ULTIMATE.start_main_~k~5 20), 52849#(<= ULTIMATE.start_main_~k~5 21), 52850#(<= ULTIMATE.start_main_~k~5 22), 52851#(<= ULTIMATE.start_main_~k~5 23), 52852#(<= ULTIMATE.start_main_~k~5 24), 52853#(<= ULTIMATE.start_main_~k~5 25), 52854#(<= ULTIMATE.start_main_~k~5 26), 52855#(<= ULTIMATE.start_main_~k~5 27), 52856#(<= ULTIMATE.start_main_~k~5 28), 52857#(<= ULTIMATE.start_main_~k~5 29), 52858#(<= ULTIMATE.start_main_~k~5 30), 52859#(<= ULTIMATE.start_main_~k~5 31), 52860#(<= ULTIMATE.start_main_~k~5 32), 52861#(<= ULTIMATE.start_main_~k~5 33), 52862#(<= ULTIMATE.start_main_~k~5 34), 52863#(<= ULTIMATE.start_main_~k~5 35), 52864#(<= ULTIMATE.start_main_~k~5 36), 52865#(<= ULTIMATE.start_main_~k~5 37), 52866#(<= ULTIMATE.start_main_~k~5 38), 52867#(<= ULTIMATE.start_main_~k~5 39), 52868#(<= ULTIMATE.start_main_~k~5 40), 52869#(<= ULTIMATE.start_main_~k~5 41), 52870#(<= ULTIMATE.start_main_~k~5 42), 52871#(<= ULTIMATE.start_main_~k~5 43), 52872#(<= ULTIMATE.start_main_~k~5 44), 52873#(<= ULTIMATE.start_main_~k~5 45), 52874#(<= ULTIMATE.start_main_~k~5 46), 52875#(<= ULTIMATE.start_main_~k~5 47), 52876#(<= ULTIMATE.start_main_~k~5 48), 52877#(<= ULTIMATE.start_main_~k~5 49), 52878#(<= ULTIMATE.start_main_~k~5 50), 52879#(<= ULTIMATE.start_main_~k~5 51), 52880#(<= ULTIMATE.start_main_~k~5 52), 52881#(<= ULTIMATE.start_main_~k~5 53), 52882#(<= ULTIMATE.start_main_~k~5 54), 52883#(<= ULTIMATE.start_main_~k~5 55), 52884#(<= ULTIMATE.start_main_~k~5 56), 52885#(<= ULTIMATE.start_main_~k~5 57), 52886#(<= ULTIMATE.start_main_~k~5 58), 52887#(<= ULTIMATE.start_main_~k~5 59), 52888#(<= ULTIMATE.start_main_~k~5 60), 52889#(<= ULTIMATE.start_main_~k~5 61), 52890#(<= ULTIMATE.start_main_~k~5 62), 52891#(<= ULTIMATE.start_main_~k~5 63), 52892#(<= ULTIMATE.start_main_~k~5 64), 52893#(<= ULTIMATE.start_main_~k~5 65), 52894#(<= ULTIMATE.start_main_~k~5 66), 52895#(<= ULTIMATE.start_main_~k~5 67), 52896#(<= ULTIMATE.start_main_~k~5 68), 52897#(<= ULTIMATE.start_main_~k~5 69), 52898#(<= ULTIMATE.start_main_~k~5 70), 52899#(<= ULTIMATE.start_main_~k~5 71), 52900#(<= ULTIMATE.start_main_~k~5 72), 52901#(<= ULTIMATE.start_main_~k~5 73), 52902#(<= ULTIMATE.start_main_~k~5 74), 52903#(<= ULTIMATE.start_main_~k~5 75), 52904#(<= ULTIMATE.start_main_~k~5 76), 52905#(<= ULTIMATE.start_main_~k~5 77), 52906#(<= ULTIMATE.start_main_~k~5 78), 52907#(<= ULTIMATE.start_main_~k~5 79), 52908#(<= ULTIMATE.start_main_~k~5 80), 52909#(<= ULTIMATE.start_main_~k~5 81), 52910#(<= ULTIMATE.start_main_~k~5 82), 52911#(<= ULTIMATE.start_main_~k~5 83), 52912#(<= ULTIMATE.start_main_~k~5 84), 52913#(<= ULTIMATE.start_main_~k~5 85), 52914#(<= ULTIMATE.start_main_~k~5 86), 52915#(<= ULTIMATE.start_main_~k~5 87), 52916#(<= ULTIMATE.start_main_~k~5 88), 52917#(<= ULTIMATE.start_main_~k~5 89), 52918#(<= ULTIMATE.start_main_~k~5 90), 52919#(<= ULTIMATE.start_main_~k~5 91), 52920#(<= ULTIMATE.start_main_~k~5 92), 52921#(<= ULTIMATE.start_main_~k~5 93), 52922#(<= ULTIMATE.start_main_~k~5 94), 52923#(<= ULTIMATE.start_main_~k~5 95), 52924#(<= ULTIMATE.start_main_~k~5 96), 52925#(<= ULTIMATE.start_main_~k~5 97), 52926#(<= ULTIMATE.start_main_~k~5 98), 52927#(<= ULTIMATE.start_main_~k~5 99), 52928#(<= ULTIMATE.start_main_~k~5 100), 52929#(<= ULTIMATE.start_main_~k~5 101), 52930#(<= ULTIMATE.start_main_~k~5 102), 52931#(<= ULTIMATE.start_main_~k~5 103), 52932#(<= ULTIMATE.start_main_~k~5 104), 52933#(<= ULTIMATE.start_main_~k~5 105)] [2018-07-23 13:45:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:49,774 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:45:49,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:45:49,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:45:49,775 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 108 states. [2018-07-23 13:45:49,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:49,936 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:45:49,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:45:49,936 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 214 [2018-07-23 13:45:49,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:49,937 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:45:49,937 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:45:49,938 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:45:49,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:45:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:45:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:45:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:45:49,942 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 214 [2018-07-23 13:45:49,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:49,943 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:45:49,943 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:45:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:45:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:45:49,944 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:49,944 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1] [2018-07-23 13:45:49,944 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:49,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1219030453, now seen corresponding path program 106 times [2018-07-23 13:45:49,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:50,430 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:50,430 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:45:50,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:50,431 INFO L185 omatonBuilderFactory]: Interpolants [53806#true, 53807#false, 53808#(<= ULTIMATE.start_main_~k~5 0), 53809#(<= ULTIMATE.start_main_~k~5 1), 53810#(<= ULTIMATE.start_main_~k~5 2), 53811#(<= ULTIMATE.start_main_~k~5 3), 53812#(<= ULTIMATE.start_main_~k~5 4), 53813#(<= ULTIMATE.start_main_~k~5 5), 53814#(<= ULTIMATE.start_main_~k~5 6), 53815#(<= ULTIMATE.start_main_~k~5 7), 53816#(<= ULTIMATE.start_main_~k~5 8), 53817#(<= ULTIMATE.start_main_~k~5 9), 53818#(<= ULTIMATE.start_main_~k~5 10), 53819#(<= ULTIMATE.start_main_~k~5 11), 53820#(<= ULTIMATE.start_main_~k~5 12), 53821#(<= ULTIMATE.start_main_~k~5 13), 53822#(<= ULTIMATE.start_main_~k~5 14), 53823#(<= ULTIMATE.start_main_~k~5 15), 53824#(<= ULTIMATE.start_main_~k~5 16), 53825#(<= ULTIMATE.start_main_~k~5 17), 53826#(<= ULTIMATE.start_main_~k~5 18), 53827#(<= ULTIMATE.start_main_~k~5 19), 53828#(<= ULTIMATE.start_main_~k~5 20), 53829#(<= ULTIMATE.start_main_~k~5 21), 53830#(<= ULTIMATE.start_main_~k~5 22), 53831#(<= ULTIMATE.start_main_~k~5 23), 53832#(<= ULTIMATE.start_main_~k~5 24), 53833#(<= ULTIMATE.start_main_~k~5 25), 53834#(<= ULTIMATE.start_main_~k~5 26), 53835#(<= ULTIMATE.start_main_~k~5 27), 53836#(<= ULTIMATE.start_main_~k~5 28), 53837#(<= ULTIMATE.start_main_~k~5 29), 53838#(<= ULTIMATE.start_main_~k~5 30), 53839#(<= ULTIMATE.start_main_~k~5 31), 53840#(<= ULTIMATE.start_main_~k~5 32), 53841#(<= ULTIMATE.start_main_~k~5 33), 53842#(<= ULTIMATE.start_main_~k~5 34), 53843#(<= ULTIMATE.start_main_~k~5 35), 53844#(<= ULTIMATE.start_main_~k~5 36), 53845#(<= ULTIMATE.start_main_~k~5 37), 53846#(<= ULTIMATE.start_main_~k~5 38), 53847#(<= ULTIMATE.start_main_~k~5 39), 53848#(<= ULTIMATE.start_main_~k~5 40), 53849#(<= ULTIMATE.start_main_~k~5 41), 53850#(<= ULTIMATE.start_main_~k~5 42), 53851#(<= ULTIMATE.start_main_~k~5 43), 53852#(<= ULTIMATE.start_main_~k~5 44), 53853#(<= ULTIMATE.start_main_~k~5 45), 53854#(<= ULTIMATE.start_main_~k~5 46), 53855#(<= ULTIMATE.start_main_~k~5 47), 53856#(<= ULTIMATE.start_main_~k~5 48), 53857#(<= ULTIMATE.start_main_~k~5 49), 53858#(<= ULTIMATE.start_main_~k~5 50), 53859#(<= ULTIMATE.start_main_~k~5 51), 53860#(<= ULTIMATE.start_main_~k~5 52), 53861#(<= ULTIMATE.start_main_~k~5 53), 53862#(<= ULTIMATE.start_main_~k~5 54), 53863#(<= ULTIMATE.start_main_~k~5 55), 53864#(<= ULTIMATE.start_main_~k~5 56), 53865#(<= ULTIMATE.start_main_~k~5 57), 53866#(<= ULTIMATE.start_main_~k~5 58), 53867#(<= ULTIMATE.start_main_~k~5 59), 53868#(<= ULTIMATE.start_main_~k~5 60), 53869#(<= ULTIMATE.start_main_~k~5 61), 53870#(<= ULTIMATE.start_main_~k~5 62), 53871#(<= ULTIMATE.start_main_~k~5 63), 53872#(<= ULTIMATE.start_main_~k~5 64), 53873#(<= ULTIMATE.start_main_~k~5 65), 53874#(<= ULTIMATE.start_main_~k~5 66), 53875#(<= ULTIMATE.start_main_~k~5 67), 53876#(<= ULTIMATE.start_main_~k~5 68), 53877#(<= ULTIMATE.start_main_~k~5 69), 53878#(<= ULTIMATE.start_main_~k~5 70), 53879#(<= ULTIMATE.start_main_~k~5 71), 53880#(<= ULTIMATE.start_main_~k~5 72), 53881#(<= ULTIMATE.start_main_~k~5 73), 53882#(<= ULTIMATE.start_main_~k~5 74), 53883#(<= ULTIMATE.start_main_~k~5 75), 53884#(<= ULTIMATE.start_main_~k~5 76), 53885#(<= ULTIMATE.start_main_~k~5 77), 53886#(<= ULTIMATE.start_main_~k~5 78), 53887#(<= ULTIMATE.start_main_~k~5 79), 53888#(<= ULTIMATE.start_main_~k~5 80), 53889#(<= ULTIMATE.start_main_~k~5 81), 53890#(<= ULTIMATE.start_main_~k~5 82), 53891#(<= ULTIMATE.start_main_~k~5 83), 53892#(<= ULTIMATE.start_main_~k~5 84), 53893#(<= ULTIMATE.start_main_~k~5 85), 53894#(<= ULTIMATE.start_main_~k~5 86), 53895#(<= ULTIMATE.start_main_~k~5 87), 53896#(<= ULTIMATE.start_main_~k~5 88), 53897#(<= ULTIMATE.start_main_~k~5 89), 53898#(<= ULTIMATE.start_main_~k~5 90), 53899#(<= ULTIMATE.start_main_~k~5 91), 53900#(<= ULTIMATE.start_main_~k~5 92), 53901#(<= ULTIMATE.start_main_~k~5 93), 53902#(<= ULTIMATE.start_main_~k~5 94), 53903#(<= ULTIMATE.start_main_~k~5 95), 53904#(<= ULTIMATE.start_main_~k~5 96), 53905#(<= ULTIMATE.start_main_~k~5 97), 53906#(<= ULTIMATE.start_main_~k~5 98), 53907#(<= ULTIMATE.start_main_~k~5 99), 53908#(<= ULTIMATE.start_main_~k~5 100), 53909#(<= ULTIMATE.start_main_~k~5 101), 53910#(<= ULTIMATE.start_main_~k~5 102), 53911#(<= ULTIMATE.start_main_~k~5 103), 53912#(<= ULTIMATE.start_main_~k~5 104), 53913#(<= ULTIMATE.start_main_~k~5 105), 53914#(<= ULTIMATE.start_main_~k~5 106)] [2018-07-23 13:45:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:50,432 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:45:50,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:45:50,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:45:50,434 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 109 states. [2018-07-23 13:45:50,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:50,616 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:45:50,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:45:50,616 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 216 [2018-07-23 13:45:50,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:50,617 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:45:50,617 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:45:50,618 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:45:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:45:50,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:45:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:45:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:45:50,623 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 216 [2018-07-23 13:45:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:50,623 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:45:50,623 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:45:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:45:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:45:50,625 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:50,625 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1] [2018-07-23 13:45:50,625 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:50,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1037858565, now seen corresponding path program 107 times [2018-07-23 13:45:50,625 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,125 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:51,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:45:51,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,126 INFO L185 omatonBuilderFactory]: Interpolants [54795#true, 54796#false, 54797#(<= ULTIMATE.start_main_~k~5 0), 54798#(<= ULTIMATE.start_main_~k~5 1), 54799#(<= ULTIMATE.start_main_~k~5 2), 54800#(<= ULTIMATE.start_main_~k~5 3), 54801#(<= ULTIMATE.start_main_~k~5 4), 54802#(<= ULTIMATE.start_main_~k~5 5), 54803#(<= ULTIMATE.start_main_~k~5 6), 54804#(<= ULTIMATE.start_main_~k~5 7), 54805#(<= ULTIMATE.start_main_~k~5 8), 54806#(<= ULTIMATE.start_main_~k~5 9), 54807#(<= ULTIMATE.start_main_~k~5 10), 54808#(<= ULTIMATE.start_main_~k~5 11), 54809#(<= ULTIMATE.start_main_~k~5 12), 54810#(<= ULTIMATE.start_main_~k~5 13), 54811#(<= ULTIMATE.start_main_~k~5 14), 54812#(<= ULTIMATE.start_main_~k~5 15), 54813#(<= ULTIMATE.start_main_~k~5 16), 54814#(<= ULTIMATE.start_main_~k~5 17), 54815#(<= ULTIMATE.start_main_~k~5 18), 54816#(<= ULTIMATE.start_main_~k~5 19), 54817#(<= ULTIMATE.start_main_~k~5 20), 54818#(<= ULTIMATE.start_main_~k~5 21), 54819#(<= ULTIMATE.start_main_~k~5 22), 54820#(<= ULTIMATE.start_main_~k~5 23), 54821#(<= ULTIMATE.start_main_~k~5 24), 54822#(<= ULTIMATE.start_main_~k~5 25), 54823#(<= ULTIMATE.start_main_~k~5 26), 54824#(<= ULTIMATE.start_main_~k~5 27), 54825#(<= ULTIMATE.start_main_~k~5 28), 54826#(<= ULTIMATE.start_main_~k~5 29), 54827#(<= ULTIMATE.start_main_~k~5 30), 54828#(<= ULTIMATE.start_main_~k~5 31), 54829#(<= ULTIMATE.start_main_~k~5 32), 54830#(<= ULTIMATE.start_main_~k~5 33), 54831#(<= ULTIMATE.start_main_~k~5 34), 54832#(<= ULTIMATE.start_main_~k~5 35), 54833#(<= ULTIMATE.start_main_~k~5 36), 54834#(<= ULTIMATE.start_main_~k~5 37), 54835#(<= ULTIMATE.start_main_~k~5 38), 54836#(<= ULTIMATE.start_main_~k~5 39), 54837#(<= ULTIMATE.start_main_~k~5 40), 54838#(<= ULTIMATE.start_main_~k~5 41), 54839#(<= ULTIMATE.start_main_~k~5 42), 54840#(<= ULTIMATE.start_main_~k~5 43), 54841#(<= ULTIMATE.start_main_~k~5 44), 54842#(<= ULTIMATE.start_main_~k~5 45), 54843#(<= ULTIMATE.start_main_~k~5 46), 54844#(<= ULTIMATE.start_main_~k~5 47), 54845#(<= ULTIMATE.start_main_~k~5 48), 54846#(<= ULTIMATE.start_main_~k~5 49), 54847#(<= ULTIMATE.start_main_~k~5 50), 54848#(<= ULTIMATE.start_main_~k~5 51), 54849#(<= ULTIMATE.start_main_~k~5 52), 54850#(<= ULTIMATE.start_main_~k~5 53), 54851#(<= ULTIMATE.start_main_~k~5 54), 54852#(<= ULTIMATE.start_main_~k~5 55), 54853#(<= ULTIMATE.start_main_~k~5 56), 54854#(<= ULTIMATE.start_main_~k~5 57), 54855#(<= ULTIMATE.start_main_~k~5 58), 54856#(<= ULTIMATE.start_main_~k~5 59), 54857#(<= ULTIMATE.start_main_~k~5 60), 54858#(<= ULTIMATE.start_main_~k~5 61), 54859#(<= ULTIMATE.start_main_~k~5 62), 54860#(<= ULTIMATE.start_main_~k~5 63), 54861#(<= ULTIMATE.start_main_~k~5 64), 54862#(<= ULTIMATE.start_main_~k~5 65), 54863#(<= ULTIMATE.start_main_~k~5 66), 54864#(<= ULTIMATE.start_main_~k~5 67), 54865#(<= ULTIMATE.start_main_~k~5 68), 54866#(<= ULTIMATE.start_main_~k~5 69), 54867#(<= ULTIMATE.start_main_~k~5 70), 54868#(<= ULTIMATE.start_main_~k~5 71), 54869#(<= ULTIMATE.start_main_~k~5 72), 54870#(<= ULTIMATE.start_main_~k~5 73), 54871#(<= ULTIMATE.start_main_~k~5 74), 54872#(<= ULTIMATE.start_main_~k~5 75), 54873#(<= ULTIMATE.start_main_~k~5 76), 54874#(<= ULTIMATE.start_main_~k~5 77), 54875#(<= ULTIMATE.start_main_~k~5 78), 54876#(<= ULTIMATE.start_main_~k~5 79), 54877#(<= ULTIMATE.start_main_~k~5 80), 54878#(<= ULTIMATE.start_main_~k~5 81), 54879#(<= ULTIMATE.start_main_~k~5 82), 54880#(<= ULTIMATE.start_main_~k~5 83), 54881#(<= ULTIMATE.start_main_~k~5 84), 54882#(<= ULTIMATE.start_main_~k~5 85), 54883#(<= ULTIMATE.start_main_~k~5 86), 54884#(<= ULTIMATE.start_main_~k~5 87), 54885#(<= ULTIMATE.start_main_~k~5 88), 54886#(<= ULTIMATE.start_main_~k~5 89), 54887#(<= ULTIMATE.start_main_~k~5 90), 54888#(<= ULTIMATE.start_main_~k~5 91), 54889#(<= ULTIMATE.start_main_~k~5 92), 54890#(<= ULTIMATE.start_main_~k~5 93), 54891#(<= ULTIMATE.start_main_~k~5 94), 54892#(<= ULTIMATE.start_main_~k~5 95), 54893#(<= ULTIMATE.start_main_~k~5 96), 54894#(<= ULTIMATE.start_main_~k~5 97), 54895#(<= ULTIMATE.start_main_~k~5 98), 54896#(<= ULTIMATE.start_main_~k~5 99), 54897#(<= ULTIMATE.start_main_~k~5 100), 54898#(<= ULTIMATE.start_main_~k~5 101), 54899#(<= ULTIMATE.start_main_~k~5 102), 54900#(<= ULTIMATE.start_main_~k~5 103), 54901#(<= ULTIMATE.start_main_~k~5 104), 54902#(<= ULTIMATE.start_main_~k~5 105), 54903#(<= ULTIMATE.start_main_~k~5 106), 54904#(<= ULTIMATE.start_main_~k~5 107)] [2018-07-23 13:45:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:45:51,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:45:51,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:45:51,129 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 110 states. [2018-07-23 13:45:51,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:51,377 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:45:51,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:45:51,377 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 218 [2018-07-23 13:45:51,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:51,378 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:45:51,379 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:45:51,380 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:45:51,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:45:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:45:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:45:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:45:51,385 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 218 [2018-07-23 13:45:51,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:51,385 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:45:51,385 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:45:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:45:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:45:51,386 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:51,386 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1] [2018-07-23 13:45:51,387 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:51,387 INFO L82 PathProgramCache]: Analyzing trace with hash 949720383, now seen corresponding path program 108 times [2018-07-23 13:45:51,387 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,910 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:51,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:45:51,911 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,911 INFO L185 omatonBuilderFactory]: Interpolants [55808#(<= ULTIMATE.start_main_~k~5 13), 55809#(<= ULTIMATE.start_main_~k~5 14), 55810#(<= ULTIMATE.start_main_~k~5 15), 55811#(<= ULTIMATE.start_main_~k~5 16), 55812#(<= ULTIMATE.start_main_~k~5 17), 55813#(<= ULTIMATE.start_main_~k~5 18), 55814#(<= ULTIMATE.start_main_~k~5 19), 55815#(<= ULTIMATE.start_main_~k~5 20), 55816#(<= ULTIMATE.start_main_~k~5 21), 55817#(<= ULTIMATE.start_main_~k~5 22), 55818#(<= ULTIMATE.start_main_~k~5 23), 55819#(<= ULTIMATE.start_main_~k~5 24), 55820#(<= ULTIMATE.start_main_~k~5 25), 55821#(<= ULTIMATE.start_main_~k~5 26), 55822#(<= ULTIMATE.start_main_~k~5 27), 55823#(<= ULTIMATE.start_main_~k~5 28), 55824#(<= ULTIMATE.start_main_~k~5 29), 55825#(<= ULTIMATE.start_main_~k~5 30), 55826#(<= ULTIMATE.start_main_~k~5 31), 55827#(<= ULTIMATE.start_main_~k~5 32), 55828#(<= ULTIMATE.start_main_~k~5 33), 55829#(<= ULTIMATE.start_main_~k~5 34), 55830#(<= ULTIMATE.start_main_~k~5 35), 55831#(<= ULTIMATE.start_main_~k~5 36), 55832#(<= ULTIMATE.start_main_~k~5 37), 55833#(<= ULTIMATE.start_main_~k~5 38), 55834#(<= ULTIMATE.start_main_~k~5 39), 55835#(<= ULTIMATE.start_main_~k~5 40), 55836#(<= ULTIMATE.start_main_~k~5 41), 55837#(<= ULTIMATE.start_main_~k~5 42), 55838#(<= ULTIMATE.start_main_~k~5 43), 55839#(<= ULTIMATE.start_main_~k~5 44), 55840#(<= ULTIMATE.start_main_~k~5 45), 55841#(<= ULTIMATE.start_main_~k~5 46), 55842#(<= ULTIMATE.start_main_~k~5 47), 55843#(<= ULTIMATE.start_main_~k~5 48), 55844#(<= ULTIMATE.start_main_~k~5 49), 55845#(<= ULTIMATE.start_main_~k~5 50), 55846#(<= ULTIMATE.start_main_~k~5 51), 55847#(<= ULTIMATE.start_main_~k~5 52), 55848#(<= ULTIMATE.start_main_~k~5 53), 55849#(<= ULTIMATE.start_main_~k~5 54), 55850#(<= ULTIMATE.start_main_~k~5 55), 55851#(<= ULTIMATE.start_main_~k~5 56), 55852#(<= ULTIMATE.start_main_~k~5 57), 55853#(<= ULTIMATE.start_main_~k~5 58), 55854#(<= ULTIMATE.start_main_~k~5 59), 55855#(<= ULTIMATE.start_main_~k~5 60), 55856#(<= ULTIMATE.start_main_~k~5 61), 55857#(<= ULTIMATE.start_main_~k~5 62), 55858#(<= ULTIMATE.start_main_~k~5 63), 55859#(<= ULTIMATE.start_main_~k~5 64), 55860#(<= ULTIMATE.start_main_~k~5 65), 55861#(<= ULTIMATE.start_main_~k~5 66), 55862#(<= ULTIMATE.start_main_~k~5 67), 55863#(<= ULTIMATE.start_main_~k~5 68), 55864#(<= ULTIMATE.start_main_~k~5 69), 55865#(<= ULTIMATE.start_main_~k~5 70), 55866#(<= ULTIMATE.start_main_~k~5 71), 55867#(<= ULTIMATE.start_main_~k~5 72), 55868#(<= ULTIMATE.start_main_~k~5 73), 55869#(<= ULTIMATE.start_main_~k~5 74), 55870#(<= ULTIMATE.start_main_~k~5 75), 55871#(<= ULTIMATE.start_main_~k~5 76), 55872#(<= ULTIMATE.start_main_~k~5 77), 55873#(<= ULTIMATE.start_main_~k~5 78), 55874#(<= ULTIMATE.start_main_~k~5 79), 55875#(<= ULTIMATE.start_main_~k~5 80), 55876#(<= ULTIMATE.start_main_~k~5 81), 55877#(<= ULTIMATE.start_main_~k~5 82), 55878#(<= ULTIMATE.start_main_~k~5 83), 55879#(<= ULTIMATE.start_main_~k~5 84), 55880#(<= ULTIMATE.start_main_~k~5 85), 55881#(<= ULTIMATE.start_main_~k~5 86), 55882#(<= ULTIMATE.start_main_~k~5 87), 55883#(<= ULTIMATE.start_main_~k~5 88), 55884#(<= ULTIMATE.start_main_~k~5 89), 55885#(<= ULTIMATE.start_main_~k~5 90), 55886#(<= ULTIMATE.start_main_~k~5 91), 55887#(<= ULTIMATE.start_main_~k~5 92), 55888#(<= ULTIMATE.start_main_~k~5 93), 55889#(<= ULTIMATE.start_main_~k~5 94), 55890#(<= ULTIMATE.start_main_~k~5 95), 55891#(<= ULTIMATE.start_main_~k~5 96), 55892#(<= ULTIMATE.start_main_~k~5 97), 55893#(<= ULTIMATE.start_main_~k~5 98), 55894#(<= ULTIMATE.start_main_~k~5 99), 55895#(<= ULTIMATE.start_main_~k~5 100), 55896#(<= ULTIMATE.start_main_~k~5 101), 55897#(<= ULTIMATE.start_main_~k~5 102), 55898#(<= ULTIMATE.start_main_~k~5 103), 55899#(<= ULTIMATE.start_main_~k~5 104), 55900#(<= ULTIMATE.start_main_~k~5 105), 55901#(<= ULTIMATE.start_main_~k~5 106), 55902#(<= ULTIMATE.start_main_~k~5 107), 55903#(<= ULTIMATE.start_main_~k~5 108), 55793#true, 55794#false, 55795#(<= ULTIMATE.start_main_~k~5 0), 55796#(<= ULTIMATE.start_main_~k~5 1), 55797#(<= ULTIMATE.start_main_~k~5 2), 55798#(<= ULTIMATE.start_main_~k~5 3), 55799#(<= ULTIMATE.start_main_~k~5 4), 55800#(<= ULTIMATE.start_main_~k~5 5), 55801#(<= ULTIMATE.start_main_~k~5 6), 55802#(<= ULTIMATE.start_main_~k~5 7), 55803#(<= ULTIMATE.start_main_~k~5 8), 55804#(<= ULTIMATE.start_main_~k~5 9), 55805#(<= ULTIMATE.start_main_~k~5 10), 55806#(<= ULTIMATE.start_main_~k~5 11), 55807#(<= ULTIMATE.start_main_~k~5 12)] [2018-07-23 13:45:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:51,912 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:45:51,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:45:51,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:45:51,914 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 111 states. [2018-07-23 13:45:52,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,159 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:45:52,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:45:52,159 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 220 [2018-07-23 13:45:52,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,159 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:45:52,160 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:45:52,160 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:45:52,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:45:52,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:45:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:45:52,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:45:52,165 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 220 [2018-07-23 13:45:52,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,166 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:45:52,166 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:45:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:45:52,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:45:52,167 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,167 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1] [2018-07-23 13:45:52,167 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,167 INFO L82 PathProgramCache]: Analyzing trace with hash -2146693895, now seen corresponding path program 109 times [2018-07-23 13:45:52,167 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,699 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:52,699 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:45:52,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:52,700 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 13:45:52,700 INFO L185 omatonBuilderFactory]: Interpolants [56832#(<= ULTIMATE.start_main_~k~5 30), 56833#(<= ULTIMATE.start_main_~k~5 31), 56834#(<= ULTIMATE.start_main_~k~5 32), 56835#(<= ULTIMATE.start_main_~k~5 33), 56836#(<= ULTIMATE.start_main_~k~5 34), 56837#(<= ULTIMATE.start_main_~k~5 35), 56838#(<= ULTIMATE.start_main_~k~5 36), 56839#(<= ULTIMATE.start_main_~k~5 37), 56840#(<= ULTIMATE.start_main_~k~5 38), 56841#(<= ULTIMATE.start_main_~k~5 39), 56842#(<= ULTIMATE.start_main_~k~5 40), 56843#(<= ULTIMATE.start_main_~k~5 41), 56844#(<= ULTIMATE.start_main_~k~5 42), 56845#(<= ULTIMATE.start_main_~k~5 43), 56846#(<= ULTIMATE.start_main_~k~5 44), 56847#(<= ULTIMATE.start_main_~k~5 45), 56848#(<= ULTIMATE.start_main_~k~5 46), 56849#(<= ULTIMATE.start_main_~k~5 47), 56850#(<= ULTIMATE.start_main_~k~5 48), 56851#(<= ULTIMATE.start_main_~k~5 49), 56852#(<= ULTIMATE.start_main_~k~5 50), 56853#(<= ULTIMATE.start_main_~k~5 51), 56854#(<= ULTIMATE.start_main_~k~5 52), 56855#(<= ULTIMATE.start_main_~k~5 53), 56856#(<= ULTIMATE.start_main_~k~5 54), 56857#(<= ULTIMATE.start_main_~k~5 55), 56858#(<= ULTIMATE.start_main_~k~5 56), 56859#(<= ULTIMATE.start_main_~k~5 57), 56860#(<= ULTIMATE.start_main_~k~5 58), 56861#(<= ULTIMATE.start_main_~k~5 59), 56862#(<= ULTIMATE.start_main_~k~5 60), 56863#(<= ULTIMATE.start_main_~k~5 61), 56864#(<= ULTIMATE.start_main_~k~5 62), 56865#(<= ULTIMATE.start_main_~k~5 63), 56866#(<= ULTIMATE.start_main_~k~5 64), 56867#(<= ULTIMATE.start_main_~k~5 65), 56868#(<= ULTIMATE.start_main_~k~5 66), 56869#(<= ULTIMATE.start_main_~k~5 67), 56870#(<= ULTIMATE.start_main_~k~5 68), 56871#(<= ULTIMATE.start_main_~k~5 69), 56872#(<= ULTIMATE.start_main_~k~5 70), 56873#(<= ULTIMATE.start_main_~k~5 71), 56874#(<= ULTIMATE.start_main_~k~5 72), 56875#(<= ULTIMATE.start_main_~k~5 73), 56876#(<= ULTIMATE.start_main_~k~5 74), 56877#(<= ULTIMATE.start_main_~k~5 75), 56878#(<= ULTIMATE.start_main_~k~5 76), 56879#(<= ULTIMATE.start_main_~k~5 77), 56880#(<= ULTIMATE.start_main_~k~5 78), 56881#(<= ULTIMATE.start_main_~k~5 79), 56882#(<= ULTIMATE.start_main_~k~5 80), 56883#(<= ULTIMATE.start_main_~k~5 81), 56884#(<= ULTIMATE.start_main_~k~5 82), 56885#(<= ULTIMATE.start_main_~k~5 83), 56886#(<= ULTIMATE.start_main_~k~5 84), 56887#(<= ULTIMATE.start_main_~k~5 85), 56888#(<= ULTIMATE.start_main_~k~5 86), 56889#(<= ULTIMATE.start_main_~k~5 87), 56890#(<= ULTIMATE.start_main_~k~5 88), 56891#(<= ULTIMATE.start_main_~k~5 89), 56892#(<= ULTIMATE.start_main_~k~5 90), 56893#(<= ULTIMATE.start_main_~k~5 91), 56894#(<= ULTIMATE.start_main_~k~5 92), 56895#(<= ULTIMATE.start_main_~k~5 93), 56896#(<= ULTIMATE.start_main_~k~5 94), 56897#(<= ULTIMATE.start_main_~k~5 95), 56898#(<= ULTIMATE.start_main_~k~5 96), 56899#(<= ULTIMATE.start_main_~k~5 97), 56900#(<= ULTIMATE.start_main_~k~5 98), 56901#(<= ULTIMATE.start_main_~k~5 99), 56902#(<= ULTIMATE.start_main_~k~5 100), 56903#(<= ULTIMATE.start_main_~k~5 101), 56904#(<= ULTIMATE.start_main_~k~5 102), 56905#(<= ULTIMATE.start_main_~k~5 103), 56906#(<= ULTIMATE.start_main_~k~5 104), 56907#(<= ULTIMATE.start_main_~k~5 105), 56908#(<= ULTIMATE.start_main_~k~5 106), 56909#(<= ULTIMATE.start_main_~k~5 107), 56910#(<= ULTIMATE.start_main_~k~5 108), 56911#(<= ULTIMATE.start_main_~k~5 109), 56800#true, 56801#false, 56802#(<= ULTIMATE.start_main_~k~5 0), 56803#(<= ULTIMATE.start_main_~k~5 1), 56804#(<= ULTIMATE.start_main_~k~5 2), 56805#(<= ULTIMATE.start_main_~k~5 3), 56806#(<= ULTIMATE.start_main_~k~5 4), 56807#(<= ULTIMATE.start_main_~k~5 5), 56808#(<= ULTIMATE.start_main_~k~5 6), 56809#(<= ULTIMATE.start_main_~k~5 7), 56810#(<= ULTIMATE.start_main_~k~5 8), 56811#(<= ULTIMATE.start_main_~k~5 9), 56812#(<= ULTIMATE.start_main_~k~5 10), 56813#(<= ULTIMATE.start_main_~k~5 11), 56814#(<= ULTIMATE.start_main_~k~5 12), 56815#(<= ULTIMATE.start_main_~k~5 13), 56816#(<= ULTIMATE.start_main_~k~5 14), 56817#(<= ULTIMATE.start_main_~k~5 15), 56818#(<= ULTIMATE.start_main_~k~5 16), 56819#(<= ULTIMATE.start_main_~k~5 17), 56820#(<= ULTIMATE.start_main_~k~5 18), 56821#(<= ULTIMATE.start_main_~k~5 19), 56822#(<= ULTIMATE.start_main_~k~5 20), 56823#(<= ULTIMATE.start_main_~k~5 21), 56824#(<= ULTIMATE.start_main_~k~5 22), 56825#(<= ULTIMATE.start_main_~k~5 23), 56826#(<= ULTIMATE.start_main_~k~5 24), 56827#(<= ULTIMATE.start_main_~k~5 25), 56828#(<= ULTIMATE.start_main_~k~5 26), 56829#(<= ULTIMATE.start_main_~k~5 27), 56830#(<= ULTIMATE.start_main_~k~5 28), 56831#(<= ULTIMATE.start_main_~k~5 29)] [2018-07-23 13:45:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:52,701 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:45:52,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:45:52,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:45:52,704 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 112 states. [2018-07-23 13:45:52,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:52,883 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:45:52,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:45:52,883 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 222 [2018-07-23 13:45:52,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:52,884 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:45:52,884 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:45:52,886 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:45:52,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:45:52,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:45:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:45:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:45:52,893 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 222 [2018-07-23 13:45:52,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,893 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:45:52,893 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:45:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:45:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:45:52,895 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,895 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1] [2018-07-23 13:45:52,895 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1388478925, now seen corresponding path program 110 times [2018-07-23 13:45:52,896 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,652 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,652 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:45:53,652 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,653 INFO L185 omatonBuilderFactory]: Interpolants [57856#(<= ULTIMATE.start_main_~k~5 38), 57857#(<= ULTIMATE.start_main_~k~5 39), 57858#(<= ULTIMATE.start_main_~k~5 40), 57859#(<= ULTIMATE.start_main_~k~5 41), 57860#(<= ULTIMATE.start_main_~k~5 42), 57861#(<= ULTIMATE.start_main_~k~5 43), 57862#(<= ULTIMATE.start_main_~k~5 44), 57863#(<= ULTIMATE.start_main_~k~5 45), 57864#(<= ULTIMATE.start_main_~k~5 46), 57865#(<= ULTIMATE.start_main_~k~5 47), 57866#(<= ULTIMATE.start_main_~k~5 48), 57867#(<= ULTIMATE.start_main_~k~5 49), 57868#(<= ULTIMATE.start_main_~k~5 50), 57869#(<= ULTIMATE.start_main_~k~5 51), 57870#(<= ULTIMATE.start_main_~k~5 52), 57871#(<= ULTIMATE.start_main_~k~5 53), 57872#(<= ULTIMATE.start_main_~k~5 54), 57873#(<= ULTIMATE.start_main_~k~5 55), 57874#(<= ULTIMATE.start_main_~k~5 56), 57875#(<= ULTIMATE.start_main_~k~5 57), 57876#(<= ULTIMATE.start_main_~k~5 58), 57877#(<= ULTIMATE.start_main_~k~5 59), 57878#(<= ULTIMATE.start_main_~k~5 60), 57879#(<= ULTIMATE.start_main_~k~5 61), 57880#(<= ULTIMATE.start_main_~k~5 62), 57881#(<= ULTIMATE.start_main_~k~5 63), 57882#(<= ULTIMATE.start_main_~k~5 64), 57883#(<= ULTIMATE.start_main_~k~5 65), 57884#(<= ULTIMATE.start_main_~k~5 66), 57885#(<= ULTIMATE.start_main_~k~5 67), 57886#(<= ULTIMATE.start_main_~k~5 68), 57887#(<= ULTIMATE.start_main_~k~5 69), 57888#(<= ULTIMATE.start_main_~k~5 70), 57889#(<= ULTIMATE.start_main_~k~5 71), 57890#(<= ULTIMATE.start_main_~k~5 72), 57891#(<= ULTIMATE.start_main_~k~5 73), 57892#(<= ULTIMATE.start_main_~k~5 74), 57893#(<= ULTIMATE.start_main_~k~5 75), 57894#(<= ULTIMATE.start_main_~k~5 76), 57895#(<= ULTIMATE.start_main_~k~5 77), 57896#(<= ULTIMATE.start_main_~k~5 78), 57897#(<= ULTIMATE.start_main_~k~5 79), 57898#(<= ULTIMATE.start_main_~k~5 80), 57899#(<= ULTIMATE.start_main_~k~5 81), 57900#(<= ULTIMATE.start_main_~k~5 82), 57901#(<= ULTIMATE.start_main_~k~5 83), 57902#(<= ULTIMATE.start_main_~k~5 84), 57903#(<= ULTIMATE.start_main_~k~5 85), 57904#(<= ULTIMATE.start_main_~k~5 86), 57905#(<= ULTIMATE.start_main_~k~5 87), 57906#(<= ULTIMATE.start_main_~k~5 88), 57907#(<= ULTIMATE.start_main_~k~5 89), 57908#(<= ULTIMATE.start_main_~k~5 90), 57909#(<= ULTIMATE.start_main_~k~5 91), 57910#(<= ULTIMATE.start_main_~k~5 92), 57911#(<= ULTIMATE.start_main_~k~5 93), 57912#(<= ULTIMATE.start_main_~k~5 94), 57913#(<= ULTIMATE.start_main_~k~5 95), 57914#(<= ULTIMATE.start_main_~k~5 96), 57915#(<= ULTIMATE.start_main_~k~5 97), 57916#(<= ULTIMATE.start_main_~k~5 98), 57917#(<= ULTIMATE.start_main_~k~5 99), 57918#(<= ULTIMATE.start_main_~k~5 100), 57919#(<= ULTIMATE.start_main_~k~5 101), 57920#(<= ULTIMATE.start_main_~k~5 102), 57921#(<= ULTIMATE.start_main_~k~5 103), 57922#(<= ULTIMATE.start_main_~k~5 104), 57923#(<= ULTIMATE.start_main_~k~5 105), 57924#(<= ULTIMATE.start_main_~k~5 106), 57925#(<= ULTIMATE.start_main_~k~5 107), 57926#(<= ULTIMATE.start_main_~k~5 108), 57927#(<= ULTIMATE.start_main_~k~5 109), 57928#(<= ULTIMATE.start_main_~k~5 110), 57816#true, 57817#false, 57818#(<= ULTIMATE.start_main_~k~5 0), 57819#(<= ULTIMATE.start_main_~k~5 1), 57820#(<= ULTIMATE.start_main_~k~5 2), 57821#(<= ULTIMATE.start_main_~k~5 3), 57822#(<= ULTIMATE.start_main_~k~5 4), 57823#(<= ULTIMATE.start_main_~k~5 5), 57824#(<= ULTIMATE.start_main_~k~5 6), 57825#(<= ULTIMATE.start_main_~k~5 7), 57826#(<= ULTIMATE.start_main_~k~5 8), 57827#(<= ULTIMATE.start_main_~k~5 9), 57828#(<= ULTIMATE.start_main_~k~5 10), 57829#(<= ULTIMATE.start_main_~k~5 11), 57830#(<= ULTIMATE.start_main_~k~5 12), 57831#(<= ULTIMATE.start_main_~k~5 13), 57832#(<= ULTIMATE.start_main_~k~5 14), 57833#(<= ULTIMATE.start_main_~k~5 15), 57834#(<= ULTIMATE.start_main_~k~5 16), 57835#(<= ULTIMATE.start_main_~k~5 17), 57836#(<= ULTIMATE.start_main_~k~5 18), 57837#(<= ULTIMATE.start_main_~k~5 19), 57838#(<= ULTIMATE.start_main_~k~5 20), 57839#(<= ULTIMATE.start_main_~k~5 21), 57840#(<= ULTIMATE.start_main_~k~5 22), 57841#(<= ULTIMATE.start_main_~k~5 23), 57842#(<= ULTIMATE.start_main_~k~5 24), 57843#(<= ULTIMATE.start_main_~k~5 25), 57844#(<= ULTIMATE.start_main_~k~5 26), 57845#(<= ULTIMATE.start_main_~k~5 27), 57846#(<= ULTIMATE.start_main_~k~5 28), 57847#(<= ULTIMATE.start_main_~k~5 29), 57848#(<= ULTIMATE.start_main_~k~5 30), 57849#(<= ULTIMATE.start_main_~k~5 31), 57850#(<= ULTIMATE.start_main_~k~5 32), 57851#(<= ULTIMATE.start_main_~k~5 33), 57852#(<= ULTIMATE.start_main_~k~5 34), 57853#(<= ULTIMATE.start_main_~k~5 35), 57854#(<= ULTIMATE.start_main_~k~5 36), 57855#(<= ULTIMATE.start_main_~k~5 37)] [2018-07-23 13:45:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,653 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:45:53,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:45:53,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:45:53,655 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 113 states. [2018-07-23 13:45:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,828 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:45:53,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:45:53,828 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 224 [2018-07-23 13:45:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,829 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:45:53,829 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:45:53,830 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:45:53,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:45:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:45:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:45:53,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:45:53,835 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 224 [2018-07-23 13:45:53,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,836 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:45:53,836 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:45:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:45:53,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:45:53,837 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,837 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1] [2018-07-23 13:45:53,837 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1406634221, now seen corresponding path program 111 times [2018-07-23 13:45:53,837 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,415 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:45:54,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,415 INFO L185 omatonBuilderFactory]: Interpolants [58880#(<= ULTIMATE.start_main_~k~5 37), 58881#(<= ULTIMATE.start_main_~k~5 38), 58882#(<= ULTIMATE.start_main_~k~5 39), 58883#(<= ULTIMATE.start_main_~k~5 40), 58884#(<= ULTIMATE.start_main_~k~5 41), 58885#(<= ULTIMATE.start_main_~k~5 42), 58886#(<= ULTIMATE.start_main_~k~5 43), 58887#(<= ULTIMATE.start_main_~k~5 44), 58888#(<= ULTIMATE.start_main_~k~5 45), 58889#(<= ULTIMATE.start_main_~k~5 46), 58890#(<= ULTIMATE.start_main_~k~5 47), 58891#(<= ULTIMATE.start_main_~k~5 48), 58892#(<= ULTIMATE.start_main_~k~5 49), 58893#(<= ULTIMATE.start_main_~k~5 50), 58894#(<= ULTIMATE.start_main_~k~5 51), 58895#(<= ULTIMATE.start_main_~k~5 52), 58896#(<= ULTIMATE.start_main_~k~5 53), 58897#(<= ULTIMATE.start_main_~k~5 54), 58898#(<= ULTIMATE.start_main_~k~5 55), 58899#(<= ULTIMATE.start_main_~k~5 56), 58900#(<= ULTIMATE.start_main_~k~5 57), 58901#(<= ULTIMATE.start_main_~k~5 58), 58902#(<= ULTIMATE.start_main_~k~5 59), 58903#(<= ULTIMATE.start_main_~k~5 60), 58904#(<= ULTIMATE.start_main_~k~5 61), 58905#(<= ULTIMATE.start_main_~k~5 62), 58906#(<= ULTIMATE.start_main_~k~5 63), 58907#(<= ULTIMATE.start_main_~k~5 64), 58908#(<= ULTIMATE.start_main_~k~5 65), 58909#(<= ULTIMATE.start_main_~k~5 66), 58910#(<= ULTIMATE.start_main_~k~5 67), 58911#(<= ULTIMATE.start_main_~k~5 68), 58912#(<= ULTIMATE.start_main_~k~5 69), 58913#(<= ULTIMATE.start_main_~k~5 70), 58914#(<= ULTIMATE.start_main_~k~5 71), 58915#(<= ULTIMATE.start_main_~k~5 72), 58916#(<= ULTIMATE.start_main_~k~5 73), 58917#(<= ULTIMATE.start_main_~k~5 74), 58918#(<= ULTIMATE.start_main_~k~5 75), 58919#(<= ULTIMATE.start_main_~k~5 76), 58920#(<= ULTIMATE.start_main_~k~5 77), 58921#(<= ULTIMATE.start_main_~k~5 78), 58922#(<= ULTIMATE.start_main_~k~5 79), 58923#(<= ULTIMATE.start_main_~k~5 80), 58924#(<= ULTIMATE.start_main_~k~5 81), 58925#(<= ULTIMATE.start_main_~k~5 82), 58926#(<= ULTIMATE.start_main_~k~5 83), 58927#(<= ULTIMATE.start_main_~k~5 84), 58928#(<= ULTIMATE.start_main_~k~5 85), 58929#(<= ULTIMATE.start_main_~k~5 86), 58930#(<= ULTIMATE.start_main_~k~5 87), 58931#(<= ULTIMATE.start_main_~k~5 88), 58932#(<= ULTIMATE.start_main_~k~5 89), 58933#(<= ULTIMATE.start_main_~k~5 90), 58934#(<= ULTIMATE.start_main_~k~5 91), 58935#(<= ULTIMATE.start_main_~k~5 92), 58936#(<= ULTIMATE.start_main_~k~5 93), 58937#(<= ULTIMATE.start_main_~k~5 94), 58938#(<= ULTIMATE.start_main_~k~5 95), 58939#(<= ULTIMATE.start_main_~k~5 96), 58940#(<= ULTIMATE.start_main_~k~5 97), 58941#(<= ULTIMATE.start_main_~k~5 98), 58942#(<= ULTIMATE.start_main_~k~5 99), 58943#(<= ULTIMATE.start_main_~k~5 100), 58944#(<= ULTIMATE.start_main_~k~5 101), 58945#(<= ULTIMATE.start_main_~k~5 102), 58946#(<= ULTIMATE.start_main_~k~5 103), 58947#(<= ULTIMATE.start_main_~k~5 104), 58948#(<= ULTIMATE.start_main_~k~5 105), 58949#(<= ULTIMATE.start_main_~k~5 106), 58950#(<= ULTIMATE.start_main_~k~5 107), 58951#(<= ULTIMATE.start_main_~k~5 108), 58952#(<= ULTIMATE.start_main_~k~5 109), 58953#(<= ULTIMATE.start_main_~k~5 110), 58954#(<= ULTIMATE.start_main_~k~5 111), 58841#true, 58842#false, 58843#(<= ULTIMATE.start_main_~k~5 0), 58844#(<= ULTIMATE.start_main_~k~5 1), 58845#(<= ULTIMATE.start_main_~k~5 2), 58846#(<= ULTIMATE.start_main_~k~5 3), 58847#(<= ULTIMATE.start_main_~k~5 4), 58848#(<= ULTIMATE.start_main_~k~5 5), 58849#(<= ULTIMATE.start_main_~k~5 6), 58850#(<= ULTIMATE.start_main_~k~5 7), 58851#(<= ULTIMATE.start_main_~k~5 8), 58852#(<= ULTIMATE.start_main_~k~5 9), 58853#(<= ULTIMATE.start_main_~k~5 10), 58854#(<= ULTIMATE.start_main_~k~5 11), 58855#(<= ULTIMATE.start_main_~k~5 12), 58856#(<= ULTIMATE.start_main_~k~5 13), 58857#(<= ULTIMATE.start_main_~k~5 14), 58858#(<= ULTIMATE.start_main_~k~5 15), 58859#(<= ULTIMATE.start_main_~k~5 16), 58860#(<= ULTIMATE.start_main_~k~5 17), 58861#(<= ULTIMATE.start_main_~k~5 18), 58862#(<= ULTIMATE.start_main_~k~5 19), 58863#(<= ULTIMATE.start_main_~k~5 20), 58864#(<= ULTIMATE.start_main_~k~5 21), 58865#(<= ULTIMATE.start_main_~k~5 22), 58866#(<= ULTIMATE.start_main_~k~5 23), 58867#(<= ULTIMATE.start_main_~k~5 24), 58868#(<= ULTIMATE.start_main_~k~5 25), 58869#(<= ULTIMATE.start_main_~k~5 26), 58870#(<= ULTIMATE.start_main_~k~5 27), 58871#(<= ULTIMATE.start_main_~k~5 28), 58872#(<= ULTIMATE.start_main_~k~5 29), 58873#(<= ULTIMATE.start_main_~k~5 30), 58874#(<= ULTIMATE.start_main_~k~5 31), 58875#(<= ULTIMATE.start_main_~k~5 32), 58876#(<= ULTIMATE.start_main_~k~5 33), 58877#(<= ULTIMATE.start_main_~k~5 34), 58878#(<= ULTIMATE.start_main_~k~5 35), 58879#(<= ULTIMATE.start_main_~k~5 36)] [2018-07-23 13:45:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:45:54,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:45:54,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:45:54,419 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 114 states. [2018-07-23 13:45:54,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,582 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:45:54,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:45:54,582 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 226 [2018-07-23 13:45:54,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,583 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:45:54,583 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:45:54,584 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:45:54,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:45:54,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:45:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:45:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:45:54,589 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 226 [2018-07-23 13:45:54,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,589 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:45:54,589 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:45:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:45:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:45:54,590 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,591 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1] [2018-07-23 13:45:54,591 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1139159769, now seen corresponding path program 112 times [2018-07-23 13:45:54,591 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,155 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,155 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:45:55,155 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,155 INFO L185 omatonBuilderFactory]: Interpolants [59904#(<= ULTIMATE.start_main_~k~5 27), 59905#(<= ULTIMATE.start_main_~k~5 28), 59906#(<= ULTIMATE.start_main_~k~5 29), 59907#(<= ULTIMATE.start_main_~k~5 30), 59908#(<= ULTIMATE.start_main_~k~5 31), 59909#(<= ULTIMATE.start_main_~k~5 32), 59910#(<= ULTIMATE.start_main_~k~5 33), 59911#(<= ULTIMATE.start_main_~k~5 34), 59912#(<= ULTIMATE.start_main_~k~5 35), 59913#(<= ULTIMATE.start_main_~k~5 36), 59914#(<= ULTIMATE.start_main_~k~5 37), 59915#(<= ULTIMATE.start_main_~k~5 38), 59916#(<= ULTIMATE.start_main_~k~5 39), 59917#(<= ULTIMATE.start_main_~k~5 40), 59918#(<= ULTIMATE.start_main_~k~5 41), 59919#(<= ULTIMATE.start_main_~k~5 42), 59920#(<= ULTIMATE.start_main_~k~5 43), 59921#(<= ULTIMATE.start_main_~k~5 44), 59922#(<= ULTIMATE.start_main_~k~5 45), 59923#(<= ULTIMATE.start_main_~k~5 46), 59924#(<= ULTIMATE.start_main_~k~5 47), 59925#(<= ULTIMATE.start_main_~k~5 48), 59926#(<= ULTIMATE.start_main_~k~5 49), 59927#(<= ULTIMATE.start_main_~k~5 50), 59928#(<= ULTIMATE.start_main_~k~5 51), 59929#(<= ULTIMATE.start_main_~k~5 52), 59930#(<= ULTIMATE.start_main_~k~5 53), 59931#(<= ULTIMATE.start_main_~k~5 54), 59932#(<= ULTIMATE.start_main_~k~5 55), 59933#(<= ULTIMATE.start_main_~k~5 56), 59934#(<= ULTIMATE.start_main_~k~5 57), 59935#(<= ULTIMATE.start_main_~k~5 58), 59936#(<= ULTIMATE.start_main_~k~5 59), 59937#(<= ULTIMATE.start_main_~k~5 60), 59938#(<= ULTIMATE.start_main_~k~5 61), 59939#(<= ULTIMATE.start_main_~k~5 62), 59940#(<= ULTIMATE.start_main_~k~5 63), 59941#(<= ULTIMATE.start_main_~k~5 64), 59942#(<= ULTIMATE.start_main_~k~5 65), 59943#(<= ULTIMATE.start_main_~k~5 66), 59944#(<= ULTIMATE.start_main_~k~5 67), 59945#(<= ULTIMATE.start_main_~k~5 68), 59946#(<= ULTIMATE.start_main_~k~5 69), 59947#(<= ULTIMATE.start_main_~k~5 70), 59948#(<= ULTIMATE.start_main_~k~5 71), 59949#(<= ULTIMATE.start_main_~k~5 72), 59950#(<= ULTIMATE.start_main_~k~5 73), 59951#(<= ULTIMATE.start_main_~k~5 74), 59952#(<= ULTIMATE.start_main_~k~5 75), 59953#(<= ULTIMATE.start_main_~k~5 76), 59954#(<= ULTIMATE.start_main_~k~5 77), 59955#(<= ULTIMATE.start_main_~k~5 78), 59956#(<= ULTIMATE.start_main_~k~5 79), 59957#(<= ULTIMATE.start_main_~k~5 80), 59958#(<= ULTIMATE.start_main_~k~5 81), 59959#(<= ULTIMATE.start_main_~k~5 82), 59960#(<= ULTIMATE.start_main_~k~5 83), 59961#(<= ULTIMATE.start_main_~k~5 84), 59962#(<= ULTIMATE.start_main_~k~5 85), 59963#(<= ULTIMATE.start_main_~k~5 86), 59964#(<= ULTIMATE.start_main_~k~5 87), 59965#(<= ULTIMATE.start_main_~k~5 88), 59966#(<= ULTIMATE.start_main_~k~5 89), 59967#(<= ULTIMATE.start_main_~k~5 90), 59968#(<= ULTIMATE.start_main_~k~5 91), 59969#(<= ULTIMATE.start_main_~k~5 92), 59970#(<= ULTIMATE.start_main_~k~5 93), 59971#(<= ULTIMATE.start_main_~k~5 94), 59972#(<= ULTIMATE.start_main_~k~5 95), 59973#(<= ULTIMATE.start_main_~k~5 96), 59974#(<= ULTIMATE.start_main_~k~5 97), 59975#(<= ULTIMATE.start_main_~k~5 98), 59976#(<= ULTIMATE.start_main_~k~5 99), 59977#(<= ULTIMATE.start_main_~k~5 100), 59978#(<= ULTIMATE.start_main_~k~5 101), 59979#(<= ULTIMATE.start_main_~k~5 102), 59980#(<= ULTIMATE.start_main_~k~5 103), 59981#(<= ULTIMATE.start_main_~k~5 104), 59982#(<= ULTIMATE.start_main_~k~5 105), 59983#(<= ULTIMATE.start_main_~k~5 106), 59984#(<= ULTIMATE.start_main_~k~5 107), 59985#(<= ULTIMATE.start_main_~k~5 108), 59986#(<= ULTIMATE.start_main_~k~5 109), 59987#(<= ULTIMATE.start_main_~k~5 110), 59988#(<= ULTIMATE.start_main_~k~5 111), 59989#(<= ULTIMATE.start_main_~k~5 112), 59875#true, 59876#false, 59877#(<= ULTIMATE.start_main_~k~5 0), 59878#(<= ULTIMATE.start_main_~k~5 1), 59879#(<= ULTIMATE.start_main_~k~5 2), 59880#(<= ULTIMATE.start_main_~k~5 3), 59881#(<= ULTIMATE.start_main_~k~5 4), 59882#(<= ULTIMATE.start_main_~k~5 5), 59883#(<= ULTIMATE.start_main_~k~5 6), 59884#(<= ULTIMATE.start_main_~k~5 7), 59885#(<= ULTIMATE.start_main_~k~5 8), 59886#(<= ULTIMATE.start_main_~k~5 9), 59887#(<= ULTIMATE.start_main_~k~5 10), 59888#(<= ULTIMATE.start_main_~k~5 11), 59889#(<= ULTIMATE.start_main_~k~5 12), 59890#(<= ULTIMATE.start_main_~k~5 13), 59891#(<= ULTIMATE.start_main_~k~5 14), 59892#(<= ULTIMATE.start_main_~k~5 15), 59893#(<= ULTIMATE.start_main_~k~5 16), 59894#(<= ULTIMATE.start_main_~k~5 17), 59895#(<= ULTIMATE.start_main_~k~5 18), 59896#(<= ULTIMATE.start_main_~k~5 19), 59897#(<= ULTIMATE.start_main_~k~5 20), 59898#(<= ULTIMATE.start_main_~k~5 21), 59899#(<= ULTIMATE.start_main_~k~5 22), 59900#(<= ULTIMATE.start_main_~k~5 23), 59901#(<= ULTIMATE.start_main_~k~5 24), 59902#(<= ULTIMATE.start_main_~k~5 25), 59903#(<= ULTIMATE.start_main_~k~5 26)] [2018-07-23 13:45:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,156 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:45:55,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:45:55,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:45:55,158 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 115 states. [2018-07-23 13:45:55,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,355 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:45:55,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:45:55,355 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 228 [2018-07-23 13:45:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,356 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:45:55,356 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:45:55,357 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:45:55,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:45:55,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:45:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:45:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:45:55,362 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 228 [2018-07-23 13:45:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,362 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:45:55,362 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:45:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:45:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:45:55,363 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,363 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1] [2018-07-23 13:45:55,364 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,364 INFO L82 PathProgramCache]: Analyzing trace with hash 484174561, now seen corresponding path program 113 times [2018-07-23 13:45:55,364 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,991 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,991 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:45:55,991 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,991 INFO L185 omatonBuilderFactory]: Interpolants [60928#(<= ULTIMATE.start_main_~k~5 8), 60929#(<= ULTIMATE.start_main_~k~5 9), 60930#(<= ULTIMATE.start_main_~k~5 10), 60931#(<= ULTIMATE.start_main_~k~5 11), 60932#(<= ULTIMATE.start_main_~k~5 12), 60933#(<= ULTIMATE.start_main_~k~5 13), 60934#(<= ULTIMATE.start_main_~k~5 14), 60935#(<= ULTIMATE.start_main_~k~5 15), 60936#(<= ULTIMATE.start_main_~k~5 16), 60937#(<= ULTIMATE.start_main_~k~5 17), 60938#(<= ULTIMATE.start_main_~k~5 18), 60939#(<= ULTIMATE.start_main_~k~5 19), 60940#(<= ULTIMATE.start_main_~k~5 20), 60941#(<= ULTIMATE.start_main_~k~5 21), 60942#(<= ULTIMATE.start_main_~k~5 22), 60943#(<= ULTIMATE.start_main_~k~5 23), 60944#(<= ULTIMATE.start_main_~k~5 24), 60945#(<= ULTIMATE.start_main_~k~5 25), 60946#(<= ULTIMATE.start_main_~k~5 26), 60947#(<= ULTIMATE.start_main_~k~5 27), 60948#(<= ULTIMATE.start_main_~k~5 28), 60949#(<= ULTIMATE.start_main_~k~5 29), 60950#(<= ULTIMATE.start_main_~k~5 30), 60951#(<= ULTIMATE.start_main_~k~5 31), 60952#(<= ULTIMATE.start_main_~k~5 32), 60953#(<= ULTIMATE.start_main_~k~5 33), 60954#(<= ULTIMATE.start_main_~k~5 34), 60955#(<= ULTIMATE.start_main_~k~5 35), 60956#(<= ULTIMATE.start_main_~k~5 36), 60957#(<= ULTIMATE.start_main_~k~5 37), 60958#(<= ULTIMATE.start_main_~k~5 38), 60959#(<= ULTIMATE.start_main_~k~5 39), 60960#(<= ULTIMATE.start_main_~k~5 40), 60961#(<= ULTIMATE.start_main_~k~5 41), 60962#(<= ULTIMATE.start_main_~k~5 42), 60963#(<= ULTIMATE.start_main_~k~5 43), 60964#(<= ULTIMATE.start_main_~k~5 44), 60965#(<= ULTIMATE.start_main_~k~5 45), 60966#(<= ULTIMATE.start_main_~k~5 46), 60967#(<= ULTIMATE.start_main_~k~5 47), 60968#(<= ULTIMATE.start_main_~k~5 48), 60969#(<= ULTIMATE.start_main_~k~5 49), 60970#(<= ULTIMATE.start_main_~k~5 50), 60971#(<= ULTIMATE.start_main_~k~5 51), 60972#(<= ULTIMATE.start_main_~k~5 52), 60973#(<= ULTIMATE.start_main_~k~5 53), 60974#(<= ULTIMATE.start_main_~k~5 54), 60975#(<= ULTIMATE.start_main_~k~5 55), 60976#(<= ULTIMATE.start_main_~k~5 56), 60977#(<= ULTIMATE.start_main_~k~5 57), 60978#(<= ULTIMATE.start_main_~k~5 58), 60979#(<= ULTIMATE.start_main_~k~5 59), 60980#(<= ULTIMATE.start_main_~k~5 60), 60981#(<= ULTIMATE.start_main_~k~5 61), 60982#(<= ULTIMATE.start_main_~k~5 62), 60983#(<= ULTIMATE.start_main_~k~5 63), 60984#(<= ULTIMATE.start_main_~k~5 64), 60985#(<= ULTIMATE.start_main_~k~5 65), 60986#(<= ULTIMATE.start_main_~k~5 66), 60987#(<= ULTIMATE.start_main_~k~5 67), 60988#(<= ULTIMATE.start_main_~k~5 68), 60989#(<= ULTIMATE.start_main_~k~5 69), 60990#(<= ULTIMATE.start_main_~k~5 70), 60991#(<= ULTIMATE.start_main_~k~5 71), 60992#(<= ULTIMATE.start_main_~k~5 72), 60993#(<= ULTIMATE.start_main_~k~5 73), 60994#(<= ULTIMATE.start_main_~k~5 74), 60995#(<= ULTIMATE.start_main_~k~5 75), 60996#(<= ULTIMATE.start_main_~k~5 76), 60997#(<= ULTIMATE.start_main_~k~5 77), 60998#(<= ULTIMATE.start_main_~k~5 78), 60999#(<= ULTIMATE.start_main_~k~5 79), 61000#(<= ULTIMATE.start_main_~k~5 80), 61001#(<= ULTIMATE.start_main_~k~5 81), 61002#(<= ULTIMATE.start_main_~k~5 82), 61003#(<= ULTIMATE.start_main_~k~5 83), 61004#(<= ULTIMATE.start_main_~k~5 84), 61005#(<= ULTIMATE.start_main_~k~5 85), 61006#(<= ULTIMATE.start_main_~k~5 86), 61007#(<= ULTIMATE.start_main_~k~5 87), 61008#(<= ULTIMATE.start_main_~k~5 88), 61009#(<= ULTIMATE.start_main_~k~5 89), 61010#(<= ULTIMATE.start_main_~k~5 90), 61011#(<= ULTIMATE.start_main_~k~5 91), 61012#(<= ULTIMATE.start_main_~k~5 92), 61013#(<= ULTIMATE.start_main_~k~5 93), 61014#(<= ULTIMATE.start_main_~k~5 94), 61015#(<= ULTIMATE.start_main_~k~5 95), 61016#(<= ULTIMATE.start_main_~k~5 96), 61017#(<= ULTIMATE.start_main_~k~5 97), 61018#(<= ULTIMATE.start_main_~k~5 98), 61019#(<= ULTIMATE.start_main_~k~5 99), 61020#(<= ULTIMATE.start_main_~k~5 100), 61021#(<= ULTIMATE.start_main_~k~5 101), 61022#(<= ULTIMATE.start_main_~k~5 102), 61023#(<= ULTIMATE.start_main_~k~5 103), 61024#(<= ULTIMATE.start_main_~k~5 104), 61025#(<= ULTIMATE.start_main_~k~5 105), 61026#(<= ULTIMATE.start_main_~k~5 106), 61027#(<= ULTIMATE.start_main_~k~5 107), 61028#(<= ULTIMATE.start_main_~k~5 108), 61029#(<= ULTIMATE.start_main_~k~5 109), 61030#(<= ULTIMATE.start_main_~k~5 110), 61031#(<= ULTIMATE.start_main_~k~5 111), 61032#(<= ULTIMATE.start_main_~k~5 112), 61033#(<= ULTIMATE.start_main_~k~5 113), 60918#true, 60919#false, 60920#(<= ULTIMATE.start_main_~k~5 0), 60921#(<= ULTIMATE.start_main_~k~5 1), 60922#(<= ULTIMATE.start_main_~k~5 2), 60923#(<= ULTIMATE.start_main_~k~5 3), 60924#(<= ULTIMATE.start_main_~k~5 4), 60925#(<= ULTIMATE.start_main_~k~5 5), 60926#(<= ULTIMATE.start_main_~k~5 6), 60927#(<= ULTIMATE.start_main_~k~5 7)] [2018-07-23 13:45:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,992 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:45:55,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:45:55,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:45:55,994 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 116 states. [2018-07-23 13:45:56,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,266 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:45:56,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:45:56,267 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 230 [2018-07-23 13:45:56,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,267 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:45:56,267 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:45:56,269 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:45:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:45:56,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:45:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:45:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:45:56,274 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 230 [2018-07-23 13:45:56,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,274 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:45:56,274 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:45:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:45:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:45:56,275 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,275 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1] [2018-07-23 13:45:56,276 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1435337243, now seen corresponding path program 114 times [2018-07-23 13:45:56,276 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,876 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,876 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:45:56,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,877 INFO L185 omatonBuilderFactory]: Interpolants [61970#true, 61971#false, 61972#(<= ULTIMATE.start_main_~k~5 0), 61973#(<= ULTIMATE.start_main_~k~5 1), 61974#(<= ULTIMATE.start_main_~k~5 2), 61975#(<= ULTIMATE.start_main_~k~5 3), 61976#(<= ULTIMATE.start_main_~k~5 4), 61977#(<= ULTIMATE.start_main_~k~5 5), 61978#(<= ULTIMATE.start_main_~k~5 6), 61979#(<= ULTIMATE.start_main_~k~5 7), 61980#(<= ULTIMATE.start_main_~k~5 8), 61981#(<= ULTIMATE.start_main_~k~5 9), 61982#(<= ULTIMATE.start_main_~k~5 10), 61983#(<= ULTIMATE.start_main_~k~5 11), 61984#(<= ULTIMATE.start_main_~k~5 12), 61985#(<= ULTIMATE.start_main_~k~5 13), 61986#(<= ULTIMATE.start_main_~k~5 14), 61987#(<= ULTIMATE.start_main_~k~5 15), 61988#(<= ULTIMATE.start_main_~k~5 16), 61989#(<= ULTIMATE.start_main_~k~5 17), 61990#(<= ULTIMATE.start_main_~k~5 18), 61991#(<= ULTIMATE.start_main_~k~5 19), 61992#(<= ULTIMATE.start_main_~k~5 20), 61993#(<= ULTIMATE.start_main_~k~5 21), 61994#(<= ULTIMATE.start_main_~k~5 22), 61995#(<= ULTIMATE.start_main_~k~5 23), 61996#(<= ULTIMATE.start_main_~k~5 24), 61997#(<= ULTIMATE.start_main_~k~5 25), 61998#(<= ULTIMATE.start_main_~k~5 26), 61999#(<= ULTIMATE.start_main_~k~5 27), 62000#(<= ULTIMATE.start_main_~k~5 28), 62001#(<= ULTIMATE.start_main_~k~5 29), 62002#(<= ULTIMATE.start_main_~k~5 30), 62003#(<= ULTIMATE.start_main_~k~5 31), 62004#(<= ULTIMATE.start_main_~k~5 32), 62005#(<= ULTIMATE.start_main_~k~5 33), 62006#(<= ULTIMATE.start_main_~k~5 34), 62007#(<= ULTIMATE.start_main_~k~5 35), 62008#(<= ULTIMATE.start_main_~k~5 36), 62009#(<= ULTIMATE.start_main_~k~5 37), 62010#(<= ULTIMATE.start_main_~k~5 38), 62011#(<= ULTIMATE.start_main_~k~5 39), 62012#(<= ULTIMATE.start_main_~k~5 40), 62013#(<= ULTIMATE.start_main_~k~5 41), 62014#(<= ULTIMATE.start_main_~k~5 42), 62015#(<= ULTIMATE.start_main_~k~5 43), 62016#(<= ULTIMATE.start_main_~k~5 44), 62017#(<= ULTIMATE.start_main_~k~5 45), 62018#(<= ULTIMATE.start_main_~k~5 46), 62019#(<= ULTIMATE.start_main_~k~5 47), 62020#(<= ULTIMATE.start_main_~k~5 48), 62021#(<= ULTIMATE.start_main_~k~5 49), 62022#(<= ULTIMATE.start_main_~k~5 50), 62023#(<= ULTIMATE.start_main_~k~5 51), 62024#(<= ULTIMATE.start_main_~k~5 52), 62025#(<= ULTIMATE.start_main_~k~5 53), 62026#(<= ULTIMATE.start_main_~k~5 54), 62027#(<= ULTIMATE.start_main_~k~5 55), 62028#(<= ULTIMATE.start_main_~k~5 56), 62029#(<= ULTIMATE.start_main_~k~5 57), 62030#(<= ULTIMATE.start_main_~k~5 58), 62031#(<= ULTIMATE.start_main_~k~5 59), 62032#(<= ULTIMATE.start_main_~k~5 60), 62033#(<= ULTIMATE.start_main_~k~5 61), 62034#(<= ULTIMATE.start_main_~k~5 62), 62035#(<= ULTIMATE.start_main_~k~5 63), 62036#(<= ULTIMATE.start_main_~k~5 64), 62037#(<= ULTIMATE.start_main_~k~5 65), 62038#(<= ULTIMATE.start_main_~k~5 66), 62039#(<= ULTIMATE.start_main_~k~5 67), 62040#(<= ULTIMATE.start_main_~k~5 68), 62041#(<= ULTIMATE.start_main_~k~5 69), 62042#(<= ULTIMATE.start_main_~k~5 70), 62043#(<= ULTIMATE.start_main_~k~5 71), 62044#(<= ULTIMATE.start_main_~k~5 72), 62045#(<= ULTIMATE.start_main_~k~5 73), 62046#(<= ULTIMATE.start_main_~k~5 74), 62047#(<= ULTIMATE.start_main_~k~5 75), 62048#(<= ULTIMATE.start_main_~k~5 76), 62049#(<= ULTIMATE.start_main_~k~5 77), 62050#(<= ULTIMATE.start_main_~k~5 78), 62051#(<= ULTIMATE.start_main_~k~5 79), 62052#(<= ULTIMATE.start_main_~k~5 80), 62053#(<= ULTIMATE.start_main_~k~5 81), 62054#(<= ULTIMATE.start_main_~k~5 82), 62055#(<= ULTIMATE.start_main_~k~5 83), 62056#(<= ULTIMATE.start_main_~k~5 84), 62057#(<= ULTIMATE.start_main_~k~5 85), 62058#(<= ULTIMATE.start_main_~k~5 86), 62059#(<= ULTIMATE.start_main_~k~5 87), 62060#(<= ULTIMATE.start_main_~k~5 88), 62061#(<= ULTIMATE.start_main_~k~5 89), 62062#(<= ULTIMATE.start_main_~k~5 90), 62063#(<= ULTIMATE.start_main_~k~5 91), 62064#(<= ULTIMATE.start_main_~k~5 92), 62065#(<= ULTIMATE.start_main_~k~5 93), 62066#(<= ULTIMATE.start_main_~k~5 94), 62067#(<= ULTIMATE.start_main_~k~5 95), 62068#(<= ULTIMATE.start_main_~k~5 96), 62069#(<= ULTIMATE.start_main_~k~5 97), 62070#(<= ULTIMATE.start_main_~k~5 98), 62071#(<= ULTIMATE.start_main_~k~5 99), 62072#(<= ULTIMATE.start_main_~k~5 100), 62073#(<= ULTIMATE.start_main_~k~5 101), 62074#(<= ULTIMATE.start_main_~k~5 102), 62075#(<= ULTIMATE.start_main_~k~5 103), 62076#(<= ULTIMATE.start_main_~k~5 104), 62077#(<= ULTIMATE.start_main_~k~5 105), 62078#(<= ULTIMATE.start_main_~k~5 106), 62079#(<= ULTIMATE.start_main_~k~5 107), 62080#(<= ULTIMATE.start_main_~k~5 108), 62081#(<= ULTIMATE.start_main_~k~5 109), 62082#(<= ULTIMATE.start_main_~k~5 110), 62083#(<= ULTIMATE.start_main_~k~5 111), 62084#(<= ULTIMATE.start_main_~k~5 112), 62085#(<= ULTIMATE.start_main_~k~5 113), 62086#(<= ULTIMATE.start_main_~k~5 114)] [2018-07-23 13:45:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,878 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:45:56,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:45:56,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:45:56,881 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 117 states. [2018-07-23 13:45:57,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,221 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:45:57,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:45:57,221 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 232 [2018-07-23 13:45:57,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,222 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:45:57,222 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:45:57,222 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 13:45:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:45:57,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:45:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:45:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:45:57,226 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 232 [2018-07-23 13:45:57,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,226 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:45:57,226 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:45:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:45:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:45:57,227 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,228 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1] [2018-07-23 13:45:57,228 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,228 INFO L82 PathProgramCache]: Analyzing trace with hash 674640597, now seen corresponding path program 115 times [2018-07-23 13:45:57,228 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,810 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,810 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:45:57,810 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,811 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 13:45:57,811 INFO L185 omatonBuilderFactory]: Interpolants [63031#true, 63032#false, 63033#(<= ULTIMATE.start_main_~k~5 0), 63034#(<= ULTIMATE.start_main_~k~5 1), 63035#(<= ULTIMATE.start_main_~k~5 2), 63036#(<= ULTIMATE.start_main_~k~5 3), 63037#(<= ULTIMATE.start_main_~k~5 4), 63038#(<= ULTIMATE.start_main_~k~5 5), 63039#(<= ULTIMATE.start_main_~k~5 6), 63040#(<= ULTIMATE.start_main_~k~5 7), 63041#(<= ULTIMATE.start_main_~k~5 8), 63042#(<= ULTIMATE.start_main_~k~5 9), 63043#(<= ULTIMATE.start_main_~k~5 10), 63044#(<= ULTIMATE.start_main_~k~5 11), 63045#(<= ULTIMATE.start_main_~k~5 12), 63046#(<= ULTIMATE.start_main_~k~5 13), 63047#(<= ULTIMATE.start_main_~k~5 14), 63048#(<= ULTIMATE.start_main_~k~5 15), 63049#(<= ULTIMATE.start_main_~k~5 16), 63050#(<= ULTIMATE.start_main_~k~5 17), 63051#(<= ULTIMATE.start_main_~k~5 18), 63052#(<= ULTIMATE.start_main_~k~5 19), 63053#(<= ULTIMATE.start_main_~k~5 20), 63054#(<= ULTIMATE.start_main_~k~5 21), 63055#(<= ULTIMATE.start_main_~k~5 22), 63056#(<= ULTIMATE.start_main_~k~5 23), 63057#(<= ULTIMATE.start_main_~k~5 24), 63058#(<= ULTIMATE.start_main_~k~5 25), 63059#(<= ULTIMATE.start_main_~k~5 26), 63060#(<= ULTIMATE.start_main_~k~5 27), 63061#(<= ULTIMATE.start_main_~k~5 28), 63062#(<= ULTIMATE.start_main_~k~5 29), 63063#(<= ULTIMATE.start_main_~k~5 30), 63064#(<= ULTIMATE.start_main_~k~5 31), 63065#(<= ULTIMATE.start_main_~k~5 32), 63066#(<= ULTIMATE.start_main_~k~5 33), 63067#(<= ULTIMATE.start_main_~k~5 34), 63068#(<= ULTIMATE.start_main_~k~5 35), 63069#(<= ULTIMATE.start_main_~k~5 36), 63070#(<= ULTIMATE.start_main_~k~5 37), 63071#(<= ULTIMATE.start_main_~k~5 38), 63072#(<= ULTIMATE.start_main_~k~5 39), 63073#(<= ULTIMATE.start_main_~k~5 40), 63074#(<= ULTIMATE.start_main_~k~5 41), 63075#(<= ULTIMATE.start_main_~k~5 42), 63076#(<= ULTIMATE.start_main_~k~5 43), 63077#(<= ULTIMATE.start_main_~k~5 44), 63078#(<= ULTIMATE.start_main_~k~5 45), 63079#(<= ULTIMATE.start_main_~k~5 46), 63080#(<= ULTIMATE.start_main_~k~5 47), 63081#(<= ULTIMATE.start_main_~k~5 48), 63082#(<= ULTIMATE.start_main_~k~5 49), 63083#(<= ULTIMATE.start_main_~k~5 50), 63084#(<= ULTIMATE.start_main_~k~5 51), 63085#(<= ULTIMATE.start_main_~k~5 52), 63086#(<= ULTIMATE.start_main_~k~5 53), 63087#(<= ULTIMATE.start_main_~k~5 54), 63088#(<= ULTIMATE.start_main_~k~5 55), 63089#(<= ULTIMATE.start_main_~k~5 56), 63090#(<= ULTIMATE.start_main_~k~5 57), 63091#(<= ULTIMATE.start_main_~k~5 58), 63092#(<= ULTIMATE.start_main_~k~5 59), 63093#(<= ULTIMATE.start_main_~k~5 60), 63094#(<= ULTIMATE.start_main_~k~5 61), 63095#(<= ULTIMATE.start_main_~k~5 62), 63096#(<= ULTIMATE.start_main_~k~5 63), 63097#(<= ULTIMATE.start_main_~k~5 64), 63098#(<= ULTIMATE.start_main_~k~5 65), 63099#(<= ULTIMATE.start_main_~k~5 66), 63100#(<= ULTIMATE.start_main_~k~5 67), 63101#(<= ULTIMATE.start_main_~k~5 68), 63102#(<= ULTIMATE.start_main_~k~5 69), 63103#(<= ULTIMATE.start_main_~k~5 70), 63104#(<= ULTIMATE.start_main_~k~5 71), 63105#(<= ULTIMATE.start_main_~k~5 72), 63106#(<= ULTIMATE.start_main_~k~5 73), 63107#(<= ULTIMATE.start_main_~k~5 74), 63108#(<= ULTIMATE.start_main_~k~5 75), 63109#(<= ULTIMATE.start_main_~k~5 76), 63110#(<= ULTIMATE.start_main_~k~5 77), 63111#(<= ULTIMATE.start_main_~k~5 78), 63112#(<= ULTIMATE.start_main_~k~5 79), 63113#(<= ULTIMATE.start_main_~k~5 80), 63114#(<= ULTIMATE.start_main_~k~5 81), 63115#(<= ULTIMATE.start_main_~k~5 82), 63116#(<= ULTIMATE.start_main_~k~5 83), 63117#(<= ULTIMATE.start_main_~k~5 84), 63118#(<= ULTIMATE.start_main_~k~5 85), 63119#(<= ULTIMATE.start_main_~k~5 86), 63120#(<= ULTIMATE.start_main_~k~5 87), 63121#(<= ULTIMATE.start_main_~k~5 88), 63122#(<= ULTIMATE.start_main_~k~5 89), 63123#(<= ULTIMATE.start_main_~k~5 90), 63124#(<= ULTIMATE.start_main_~k~5 91), 63125#(<= ULTIMATE.start_main_~k~5 92), 63126#(<= ULTIMATE.start_main_~k~5 93), 63127#(<= ULTIMATE.start_main_~k~5 94), 63128#(<= ULTIMATE.start_main_~k~5 95), 63129#(<= ULTIMATE.start_main_~k~5 96), 63130#(<= ULTIMATE.start_main_~k~5 97), 63131#(<= ULTIMATE.start_main_~k~5 98), 63132#(<= ULTIMATE.start_main_~k~5 99), 63133#(<= ULTIMATE.start_main_~k~5 100), 63134#(<= ULTIMATE.start_main_~k~5 101), 63135#(<= ULTIMATE.start_main_~k~5 102), 63136#(<= ULTIMATE.start_main_~k~5 103), 63137#(<= ULTIMATE.start_main_~k~5 104), 63138#(<= ULTIMATE.start_main_~k~5 105), 63139#(<= ULTIMATE.start_main_~k~5 106), 63140#(<= ULTIMATE.start_main_~k~5 107), 63141#(<= ULTIMATE.start_main_~k~5 108), 63142#(<= ULTIMATE.start_main_~k~5 109), 63143#(<= ULTIMATE.start_main_~k~5 110), 63144#(<= ULTIMATE.start_main_~k~5 111), 63145#(<= ULTIMATE.start_main_~k~5 112), 63146#(<= ULTIMATE.start_main_~k~5 113), 63147#(<= ULTIMATE.start_main_~k~5 114), 63148#(<= ULTIMATE.start_main_~k~5 115)] [2018-07-23 13:45:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:45:57,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:45:57,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:45:57,814 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 118 states. [2018-07-23 13:45:58,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,046 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:45:58,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:45:58,046 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 234 [2018-07-23 13:45:58,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,047 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:45:58,047 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:45:58,048 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:45:58,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:45:58,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:45:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:45:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:45:58,053 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 234 [2018-07-23 13:45:58,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,053 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:45:58,053 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:45:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:45:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:45:58,054 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,054 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1] [2018-07-23 13:45:58,055 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,055 INFO L82 PathProgramCache]: Analyzing trace with hash -210395889, now seen corresponding path program 116 times [2018-07-23 13:45:58,055 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,656 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:58,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:45:58,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,657 INFO L185 omatonBuilderFactory]: Interpolants [64101#true, 64102#false, 64103#(<= ULTIMATE.start_main_~k~5 0), 64104#(<= ULTIMATE.start_main_~k~5 1), 64105#(<= ULTIMATE.start_main_~k~5 2), 64106#(<= ULTIMATE.start_main_~k~5 3), 64107#(<= ULTIMATE.start_main_~k~5 4), 64108#(<= ULTIMATE.start_main_~k~5 5), 64109#(<= ULTIMATE.start_main_~k~5 6), 64110#(<= ULTIMATE.start_main_~k~5 7), 64111#(<= ULTIMATE.start_main_~k~5 8), 64112#(<= ULTIMATE.start_main_~k~5 9), 64113#(<= ULTIMATE.start_main_~k~5 10), 64114#(<= ULTIMATE.start_main_~k~5 11), 64115#(<= ULTIMATE.start_main_~k~5 12), 64116#(<= ULTIMATE.start_main_~k~5 13), 64117#(<= ULTIMATE.start_main_~k~5 14), 64118#(<= ULTIMATE.start_main_~k~5 15), 64119#(<= ULTIMATE.start_main_~k~5 16), 64120#(<= ULTIMATE.start_main_~k~5 17), 64121#(<= ULTIMATE.start_main_~k~5 18), 64122#(<= ULTIMATE.start_main_~k~5 19), 64123#(<= ULTIMATE.start_main_~k~5 20), 64124#(<= ULTIMATE.start_main_~k~5 21), 64125#(<= ULTIMATE.start_main_~k~5 22), 64126#(<= ULTIMATE.start_main_~k~5 23), 64127#(<= ULTIMATE.start_main_~k~5 24), 64128#(<= ULTIMATE.start_main_~k~5 25), 64129#(<= ULTIMATE.start_main_~k~5 26), 64130#(<= ULTIMATE.start_main_~k~5 27), 64131#(<= ULTIMATE.start_main_~k~5 28), 64132#(<= ULTIMATE.start_main_~k~5 29), 64133#(<= ULTIMATE.start_main_~k~5 30), 64134#(<= ULTIMATE.start_main_~k~5 31), 64135#(<= ULTIMATE.start_main_~k~5 32), 64136#(<= ULTIMATE.start_main_~k~5 33), 64137#(<= ULTIMATE.start_main_~k~5 34), 64138#(<= ULTIMATE.start_main_~k~5 35), 64139#(<= ULTIMATE.start_main_~k~5 36), 64140#(<= ULTIMATE.start_main_~k~5 37), 64141#(<= ULTIMATE.start_main_~k~5 38), 64142#(<= ULTIMATE.start_main_~k~5 39), 64143#(<= ULTIMATE.start_main_~k~5 40), 64144#(<= ULTIMATE.start_main_~k~5 41), 64145#(<= ULTIMATE.start_main_~k~5 42), 64146#(<= ULTIMATE.start_main_~k~5 43), 64147#(<= ULTIMATE.start_main_~k~5 44), 64148#(<= ULTIMATE.start_main_~k~5 45), 64149#(<= ULTIMATE.start_main_~k~5 46), 64150#(<= ULTIMATE.start_main_~k~5 47), 64151#(<= ULTIMATE.start_main_~k~5 48), 64152#(<= ULTIMATE.start_main_~k~5 49), 64153#(<= ULTIMATE.start_main_~k~5 50), 64154#(<= ULTIMATE.start_main_~k~5 51), 64155#(<= ULTIMATE.start_main_~k~5 52), 64156#(<= ULTIMATE.start_main_~k~5 53), 64157#(<= ULTIMATE.start_main_~k~5 54), 64158#(<= ULTIMATE.start_main_~k~5 55), 64159#(<= ULTIMATE.start_main_~k~5 56), 64160#(<= ULTIMATE.start_main_~k~5 57), 64161#(<= ULTIMATE.start_main_~k~5 58), 64162#(<= ULTIMATE.start_main_~k~5 59), 64163#(<= ULTIMATE.start_main_~k~5 60), 64164#(<= ULTIMATE.start_main_~k~5 61), 64165#(<= ULTIMATE.start_main_~k~5 62), 64166#(<= ULTIMATE.start_main_~k~5 63), 64167#(<= ULTIMATE.start_main_~k~5 64), 64168#(<= ULTIMATE.start_main_~k~5 65), 64169#(<= ULTIMATE.start_main_~k~5 66), 64170#(<= ULTIMATE.start_main_~k~5 67), 64171#(<= ULTIMATE.start_main_~k~5 68), 64172#(<= ULTIMATE.start_main_~k~5 69), 64173#(<= ULTIMATE.start_main_~k~5 70), 64174#(<= ULTIMATE.start_main_~k~5 71), 64175#(<= ULTIMATE.start_main_~k~5 72), 64176#(<= ULTIMATE.start_main_~k~5 73), 64177#(<= ULTIMATE.start_main_~k~5 74), 64178#(<= ULTIMATE.start_main_~k~5 75), 64179#(<= ULTIMATE.start_main_~k~5 76), 64180#(<= ULTIMATE.start_main_~k~5 77), 64181#(<= ULTIMATE.start_main_~k~5 78), 64182#(<= ULTIMATE.start_main_~k~5 79), 64183#(<= ULTIMATE.start_main_~k~5 80), 64184#(<= ULTIMATE.start_main_~k~5 81), 64185#(<= ULTIMATE.start_main_~k~5 82), 64186#(<= ULTIMATE.start_main_~k~5 83), 64187#(<= ULTIMATE.start_main_~k~5 84), 64188#(<= ULTIMATE.start_main_~k~5 85), 64189#(<= ULTIMATE.start_main_~k~5 86), 64190#(<= ULTIMATE.start_main_~k~5 87), 64191#(<= ULTIMATE.start_main_~k~5 88), 64192#(<= ULTIMATE.start_main_~k~5 89), 64193#(<= ULTIMATE.start_main_~k~5 90), 64194#(<= ULTIMATE.start_main_~k~5 91), 64195#(<= ULTIMATE.start_main_~k~5 92), 64196#(<= ULTIMATE.start_main_~k~5 93), 64197#(<= ULTIMATE.start_main_~k~5 94), 64198#(<= ULTIMATE.start_main_~k~5 95), 64199#(<= ULTIMATE.start_main_~k~5 96), 64200#(<= ULTIMATE.start_main_~k~5 97), 64201#(<= ULTIMATE.start_main_~k~5 98), 64202#(<= ULTIMATE.start_main_~k~5 99), 64203#(<= ULTIMATE.start_main_~k~5 100), 64204#(<= ULTIMATE.start_main_~k~5 101), 64205#(<= ULTIMATE.start_main_~k~5 102), 64206#(<= ULTIMATE.start_main_~k~5 103), 64207#(<= ULTIMATE.start_main_~k~5 104), 64208#(<= ULTIMATE.start_main_~k~5 105), 64209#(<= ULTIMATE.start_main_~k~5 106), 64210#(<= ULTIMATE.start_main_~k~5 107), 64211#(<= ULTIMATE.start_main_~k~5 108), 64212#(<= ULTIMATE.start_main_~k~5 109), 64213#(<= ULTIMATE.start_main_~k~5 110), 64214#(<= ULTIMATE.start_main_~k~5 111), 64215#(<= ULTIMATE.start_main_~k~5 112), 64216#(<= ULTIMATE.start_main_~k~5 113), 64217#(<= ULTIMATE.start_main_~k~5 114), 64218#(<= ULTIMATE.start_main_~k~5 115), 64219#(<= ULTIMATE.start_main_~k~5 116)] [2018-07-23 13:45:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,657 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:45:58,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:45:58,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:45:58,659 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 119 states. [2018-07-23 13:45:58,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,932 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:45:58,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:45:58,932 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 236 [2018-07-23 13:45:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,932 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:45:58,933 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:45:58,934 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 13:45:58,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:45:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:45:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:45:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:45:58,937 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 236 [2018-07-23 13:45:58,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,938 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:45:58,938 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:45:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:45:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:45:58,939 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,939 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1] [2018-07-23 13:45:58,939 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,939 INFO L82 PathProgramCache]: Analyzing trace with hash -326934327, now seen corresponding path program 117 times [2018-07-23 13:45:58,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,565 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,565 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:45:59,565 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,566 INFO L185 omatonBuilderFactory]: Interpolants [65280#(<= ULTIMATE.start_main_~k~5 98), 65281#(<= ULTIMATE.start_main_~k~5 99), 65282#(<= ULTIMATE.start_main_~k~5 100), 65283#(<= ULTIMATE.start_main_~k~5 101), 65284#(<= ULTIMATE.start_main_~k~5 102), 65285#(<= ULTIMATE.start_main_~k~5 103), 65286#(<= ULTIMATE.start_main_~k~5 104), 65287#(<= ULTIMATE.start_main_~k~5 105), 65288#(<= ULTIMATE.start_main_~k~5 106), 65289#(<= ULTIMATE.start_main_~k~5 107), 65290#(<= ULTIMATE.start_main_~k~5 108), 65291#(<= ULTIMATE.start_main_~k~5 109), 65292#(<= ULTIMATE.start_main_~k~5 110), 65293#(<= ULTIMATE.start_main_~k~5 111), 65294#(<= ULTIMATE.start_main_~k~5 112), 65295#(<= ULTIMATE.start_main_~k~5 113), 65296#(<= ULTIMATE.start_main_~k~5 114), 65297#(<= ULTIMATE.start_main_~k~5 115), 65298#(<= ULTIMATE.start_main_~k~5 116), 65299#(<= ULTIMATE.start_main_~k~5 117), 65180#true, 65181#false, 65182#(<= ULTIMATE.start_main_~k~5 0), 65183#(<= ULTIMATE.start_main_~k~5 1), 65184#(<= ULTIMATE.start_main_~k~5 2), 65185#(<= ULTIMATE.start_main_~k~5 3), 65186#(<= ULTIMATE.start_main_~k~5 4), 65187#(<= ULTIMATE.start_main_~k~5 5), 65188#(<= ULTIMATE.start_main_~k~5 6), 65189#(<= ULTIMATE.start_main_~k~5 7), 65190#(<= ULTIMATE.start_main_~k~5 8), 65191#(<= ULTIMATE.start_main_~k~5 9), 65192#(<= ULTIMATE.start_main_~k~5 10), 65193#(<= ULTIMATE.start_main_~k~5 11), 65194#(<= ULTIMATE.start_main_~k~5 12), 65195#(<= ULTIMATE.start_main_~k~5 13), 65196#(<= ULTIMATE.start_main_~k~5 14), 65197#(<= ULTIMATE.start_main_~k~5 15), 65198#(<= ULTIMATE.start_main_~k~5 16), 65199#(<= ULTIMATE.start_main_~k~5 17), 65200#(<= ULTIMATE.start_main_~k~5 18), 65201#(<= ULTIMATE.start_main_~k~5 19), 65202#(<= ULTIMATE.start_main_~k~5 20), 65203#(<= ULTIMATE.start_main_~k~5 21), 65204#(<= ULTIMATE.start_main_~k~5 22), 65205#(<= ULTIMATE.start_main_~k~5 23), 65206#(<= ULTIMATE.start_main_~k~5 24), 65207#(<= ULTIMATE.start_main_~k~5 25), 65208#(<= ULTIMATE.start_main_~k~5 26), 65209#(<= ULTIMATE.start_main_~k~5 27), 65210#(<= ULTIMATE.start_main_~k~5 28), 65211#(<= ULTIMATE.start_main_~k~5 29), 65212#(<= ULTIMATE.start_main_~k~5 30), 65213#(<= ULTIMATE.start_main_~k~5 31), 65214#(<= ULTIMATE.start_main_~k~5 32), 65215#(<= ULTIMATE.start_main_~k~5 33), 65216#(<= ULTIMATE.start_main_~k~5 34), 65217#(<= ULTIMATE.start_main_~k~5 35), 65218#(<= ULTIMATE.start_main_~k~5 36), 65219#(<= ULTIMATE.start_main_~k~5 37), 65220#(<= ULTIMATE.start_main_~k~5 38), 65221#(<= ULTIMATE.start_main_~k~5 39), 65222#(<= ULTIMATE.start_main_~k~5 40), 65223#(<= ULTIMATE.start_main_~k~5 41), 65224#(<= ULTIMATE.start_main_~k~5 42), 65225#(<= ULTIMATE.start_main_~k~5 43), 65226#(<= ULTIMATE.start_main_~k~5 44), 65227#(<= ULTIMATE.start_main_~k~5 45), 65228#(<= ULTIMATE.start_main_~k~5 46), 65229#(<= ULTIMATE.start_main_~k~5 47), 65230#(<= ULTIMATE.start_main_~k~5 48), 65231#(<= ULTIMATE.start_main_~k~5 49), 65232#(<= ULTIMATE.start_main_~k~5 50), 65233#(<= ULTIMATE.start_main_~k~5 51), 65234#(<= ULTIMATE.start_main_~k~5 52), 65235#(<= ULTIMATE.start_main_~k~5 53), 65236#(<= ULTIMATE.start_main_~k~5 54), 65237#(<= ULTIMATE.start_main_~k~5 55), 65238#(<= ULTIMATE.start_main_~k~5 56), 65239#(<= ULTIMATE.start_main_~k~5 57), 65240#(<= ULTIMATE.start_main_~k~5 58), 65241#(<= ULTIMATE.start_main_~k~5 59), 65242#(<= ULTIMATE.start_main_~k~5 60), 65243#(<= ULTIMATE.start_main_~k~5 61), 65244#(<= ULTIMATE.start_main_~k~5 62), 65245#(<= ULTIMATE.start_main_~k~5 63), 65246#(<= ULTIMATE.start_main_~k~5 64), 65247#(<= ULTIMATE.start_main_~k~5 65), 65248#(<= ULTIMATE.start_main_~k~5 66), 65249#(<= ULTIMATE.start_main_~k~5 67), 65250#(<= ULTIMATE.start_main_~k~5 68), 65251#(<= ULTIMATE.start_main_~k~5 69), 65252#(<= ULTIMATE.start_main_~k~5 70), 65253#(<= ULTIMATE.start_main_~k~5 71), 65254#(<= ULTIMATE.start_main_~k~5 72), 65255#(<= ULTIMATE.start_main_~k~5 73), 65256#(<= ULTIMATE.start_main_~k~5 74), 65257#(<= ULTIMATE.start_main_~k~5 75), 65258#(<= ULTIMATE.start_main_~k~5 76), 65259#(<= ULTIMATE.start_main_~k~5 77), 65260#(<= ULTIMATE.start_main_~k~5 78), 65261#(<= ULTIMATE.start_main_~k~5 79), 65262#(<= ULTIMATE.start_main_~k~5 80), 65263#(<= ULTIMATE.start_main_~k~5 81), 65264#(<= ULTIMATE.start_main_~k~5 82), 65265#(<= ULTIMATE.start_main_~k~5 83), 65266#(<= ULTIMATE.start_main_~k~5 84), 65267#(<= ULTIMATE.start_main_~k~5 85), 65268#(<= ULTIMATE.start_main_~k~5 86), 65269#(<= ULTIMATE.start_main_~k~5 87), 65270#(<= ULTIMATE.start_main_~k~5 88), 65271#(<= ULTIMATE.start_main_~k~5 89), 65272#(<= ULTIMATE.start_main_~k~5 90), 65273#(<= ULTIMATE.start_main_~k~5 91), 65274#(<= ULTIMATE.start_main_~k~5 92), 65275#(<= ULTIMATE.start_main_~k~5 93), 65276#(<= ULTIMATE.start_main_~k~5 94), 65277#(<= ULTIMATE.start_main_~k~5 95), 65278#(<= ULTIMATE.start_main_~k~5 96), 65279#(<= ULTIMATE.start_main_~k~5 97)] [2018-07-23 13:45:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,568 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:45:59,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:45:59,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:45:59,570 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 120 states. [2018-07-23 13:45:59,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,761 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:45:59,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:45:59,762 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 238 [2018-07-23 13:45:59,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,762 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:45:59,762 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:45:59,764 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:45:59,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:45:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:45:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:45:59,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:45:59,769 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 238 [2018-07-23 13:45:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,769 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:45:59,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:45:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:45:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:45:59,770 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,770 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1] [2018-07-23 13:45:59,770 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,771 INFO L82 PathProgramCache]: Analyzing trace with hash -651223549, now seen corresponding path program 118 times [2018-07-23 13:45:59,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:00,441 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 13:46:00,442 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:00,442 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:46:00,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,442 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= ULTIMATE.start_main_~k~5 35), 66304#(<= ULTIMATE.start_main_~k~5 34), 66307#(<= ULTIMATE.start_main_~k~5 37), 66306#(<= ULTIMATE.start_main_~k~5 36), 66309#(<= ULTIMATE.start_main_~k~5 39), 66308#(<= ULTIMATE.start_main_~k~5 38), 66311#(<= ULTIMATE.start_main_~k~5 41), 66310#(<= ULTIMATE.start_main_~k~5 40), 66313#(<= ULTIMATE.start_main_~k~5 43), 66312#(<= ULTIMATE.start_main_~k~5 42), 66315#(<= ULTIMATE.start_main_~k~5 45), 66314#(<= ULTIMATE.start_main_~k~5 44), 66317#(<= ULTIMATE.start_main_~k~5 47), 66316#(<= ULTIMATE.start_main_~k~5 46), 66319#(<= ULTIMATE.start_main_~k~5 49), 66318#(<= ULTIMATE.start_main_~k~5 48), 66321#(<= ULTIMATE.start_main_~k~5 51), 66320#(<= ULTIMATE.start_main_~k~5 50), 66323#(<= ULTIMATE.start_main_~k~5 53), 66322#(<= ULTIMATE.start_main_~k~5 52), 66325#(<= ULTIMATE.start_main_~k~5 55), 66324#(<= ULTIMATE.start_main_~k~5 54), 66327#(<= ULTIMATE.start_main_~k~5 57), 66326#(<= ULTIMATE.start_main_~k~5 56), 66329#(<= ULTIMATE.start_main_~k~5 59), 66328#(<= ULTIMATE.start_main_~k~5 58), 66331#(<= ULTIMATE.start_main_~k~5 61), 66330#(<= ULTIMATE.start_main_~k~5 60), 66333#(<= ULTIMATE.start_main_~k~5 63), 66332#(<= ULTIMATE.start_main_~k~5 62), 66335#(<= ULTIMATE.start_main_~k~5 65), 66334#(<= ULTIMATE.start_main_~k~5 64), 66337#(<= ULTIMATE.start_main_~k~5 67), 66336#(<= ULTIMATE.start_main_~k~5 66), 66339#(<= ULTIMATE.start_main_~k~5 69), 66338#(<= ULTIMATE.start_main_~k~5 68), 66341#(<= ULTIMATE.start_main_~k~5 71), 66340#(<= ULTIMATE.start_main_~k~5 70), 66343#(<= ULTIMATE.start_main_~k~5 73), 66342#(<= ULTIMATE.start_main_~k~5 72), 66345#(<= ULTIMATE.start_main_~k~5 75), 66344#(<= ULTIMATE.start_main_~k~5 74), 66347#(<= ULTIMATE.start_main_~k~5 77), 66346#(<= ULTIMATE.start_main_~k~5 76), 66349#(<= ULTIMATE.start_main_~k~5 79), 66348#(<= ULTIMATE.start_main_~k~5 78), 66351#(<= ULTIMATE.start_main_~k~5 81), 66350#(<= ULTIMATE.start_main_~k~5 80), 66353#(<= ULTIMATE.start_main_~k~5 83), 66352#(<= ULTIMATE.start_main_~k~5 82), 66355#(<= ULTIMATE.start_main_~k~5 85), 66354#(<= ULTIMATE.start_main_~k~5 84), 66357#(<= ULTIMATE.start_main_~k~5 87), 66356#(<= ULTIMATE.start_main_~k~5 86), 66359#(<= ULTIMATE.start_main_~k~5 89), 66358#(<= ULTIMATE.start_main_~k~5 88), 66361#(<= ULTIMATE.start_main_~k~5 91), 66360#(<= ULTIMATE.start_main_~k~5 90), 66363#(<= ULTIMATE.start_main_~k~5 93), 66362#(<= ULTIMATE.start_main_~k~5 92), 66365#(<= ULTIMATE.start_main_~k~5 95), 66364#(<= ULTIMATE.start_main_~k~5 94), 66367#(<= ULTIMATE.start_main_~k~5 97), 66366#(<= ULTIMATE.start_main_~k~5 96), 66369#(<= ULTIMATE.start_main_~k~5 99), 66368#(<= ULTIMATE.start_main_~k~5 98), 66371#(<= ULTIMATE.start_main_~k~5 101), 66370#(<= ULTIMATE.start_main_~k~5 100), 66373#(<= ULTIMATE.start_main_~k~5 103), 66372#(<= ULTIMATE.start_main_~k~5 102), 66375#(<= ULTIMATE.start_main_~k~5 105), 66374#(<= ULTIMATE.start_main_~k~5 104), 66377#(<= ULTIMATE.start_main_~k~5 107), 66376#(<= ULTIMATE.start_main_~k~5 106), 66379#(<= ULTIMATE.start_main_~k~5 109), 66378#(<= ULTIMATE.start_main_~k~5 108), 66381#(<= ULTIMATE.start_main_~k~5 111), 66380#(<= ULTIMATE.start_main_~k~5 110), 66383#(<= ULTIMATE.start_main_~k~5 113), 66382#(<= ULTIMATE.start_main_~k~5 112), 66385#(<= ULTIMATE.start_main_~k~5 115), 66384#(<= ULTIMATE.start_main_~k~5 114), 66387#(<= ULTIMATE.start_main_~k~5 117), 66386#(<= ULTIMATE.start_main_~k~5 116), 66388#(<= ULTIMATE.start_main_~k~5 118), 66269#false, 66268#true, 66271#(<= ULTIMATE.start_main_~k~5 1), 66270#(<= ULTIMATE.start_main_~k~5 0), 66273#(<= ULTIMATE.start_main_~k~5 3), 66272#(<= ULTIMATE.start_main_~k~5 2), 66275#(<= ULTIMATE.start_main_~k~5 5), 66274#(<= ULTIMATE.start_main_~k~5 4), 66277#(<= ULTIMATE.start_main_~k~5 7), 66276#(<= ULTIMATE.start_main_~k~5 6), 66279#(<= ULTIMATE.start_main_~k~5 9), 66278#(<= ULTIMATE.start_main_~k~5 8), 66281#(<= ULTIMATE.start_main_~k~5 11), 66280#(<= ULTIMATE.start_main_~k~5 10), 66283#(<= ULTIMATE.start_main_~k~5 13), 66282#(<= ULTIMATE.start_main_~k~5 12), 66285#(<= ULTIMATE.start_main_~k~5 15), 66284#(<= ULTIMATE.start_main_~k~5 14), 66287#(<= ULTIMATE.start_main_~k~5 17), 66286#(<= ULTIMATE.start_main_~k~5 16), 66289#(<= ULTIMATE.start_main_~k~5 19), 66288#(<= ULTIMATE.start_main_~k~5 18), 66291#(<= ULTIMATE.start_main_~k~5 21), 66290#(<= ULTIMATE.start_main_~k~5 20), 66293#(<= ULTIMATE.start_main_~k~5 23), 66292#(<= ULTIMATE.start_main_~k~5 22), 66295#(<= ULTIMATE.start_main_~k~5 25), 66294#(<= ULTIMATE.start_main_~k~5 24), 66297#(<= ULTIMATE.start_main_~k~5 27), 66296#(<= ULTIMATE.start_main_~k~5 26), 66299#(<= ULTIMATE.start_main_~k~5 29), 66298#(<= ULTIMATE.start_main_~k~5 28), 66301#(<= ULTIMATE.start_main_~k~5 31), 66300#(<= ULTIMATE.start_main_~k~5 30), 66303#(<= ULTIMATE.start_main_~k~5 33), 66302#(<= ULTIMATE.start_main_~k~5 32)] [2018-07-23 13:46:00,443 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 13:46:00,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:46:00,444 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:46:00,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:46:00,445 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 121 states. [2018-07-23 13:46:00,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:00,647 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:46:00,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:46:00,648 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 240 [2018-07-23 13:46:00,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:00,648 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:46:00,649 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:46:00,650 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:46:00,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:46:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:46:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:46:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:46:00,654 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 240 [2018-07-23 13:46:00,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:00,654 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:46:00,654 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:46:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:46:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:46:00,655 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:00,655 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1] [2018-07-23 13:46:00,655 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:00,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1239446717, now seen corresponding path program 119 times [2018-07-23 13:46:00,656 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:01,434 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 13:46:01,434 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:01,434 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:46:01,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,435 INFO L185 omatonBuilderFactory]: Interpolants [67365#true, 67367#(<= ULTIMATE.start_main_~k~5 0), 67366#false, 67369#(<= ULTIMATE.start_main_~k~5 2), 67368#(<= ULTIMATE.start_main_~k~5 1), 67371#(<= ULTIMATE.start_main_~k~5 4), 67370#(<= ULTIMATE.start_main_~k~5 3), 67373#(<= ULTIMATE.start_main_~k~5 6), 67372#(<= ULTIMATE.start_main_~k~5 5), 67375#(<= ULTIMATE.start_main_~k~5 8), 67374#(<= ULTIMATE.start_main_~k~5 7), 67377#(<= ULTIMATE.start_main_~k~5 10), 67376#(<= ULTIMATE.start_main_~k~5 9), 67379#(<= ULTIMATE.start_main_~k~5 12), 67378#(<= ULTIMATE.start_main_~k~5 11), 67381#(<= ULTIMATE.start_main_~k~5 14), 67380#(<= ULTIMATE.start_main_~k~5 13), 67383#(<= ULTIMATE.start_main_~k~5 16), 67382#(<= ULTIMATE.start_main_~k~5 15), 67385#(<= ULTIMATE.start_main_~k~5 18), 67384#(<= ULTIMATE.start_main_~k~5 17), 67387#(<= ULTIMATE.start_main_~k~5 20), 67386#(<= ULTIMATE.start_main_~k~5 19), 67389#(<= ULTIMATE.start_main_~k~5 22), 67388#(<= ULTIMATE.start_main_~k~5 21), 67391#(<= ULTIMATE.start_main_~k~5 24), 67390#(<= ULTIMATE.start_main_~k~5 23), 67393#(<= ULTIMATE.start_main_~k~5 26), 67392#(<= ULTIMATE.start_main_~k~5 25), 67395#(<= ULTIMATE.start_main_~k~5 28), 67394#(<= ULTIMATE.start_main_~k~5 27), 67397#(<= ULTIMATE.start_main_~k~5 30), 67396#(<= ULTIMATE.start_main_~k~5 29), 67399#(<= ULTIMATE.start_main_~k~5 32), 67398#(<= ULTIMATE.start_main_~k~5 31), 67401#(<= ULTIMATE.start_main_~k~5 34), 67400#(<= ULTIMATE.start_main_~k~5 33), 67403#(<= ULTIMATE.start_main_~k~5 36), 67402#(<= ULTIMATE.start_main_~k~5 35), 67405#(<= ULTIMATE.start_main_~k~5 38), 67404#(<= ULTIMATE.start_main_~k~5 37), 67407#(<= ULTIMATE.start_main_~k~5 40), 67406#(<= ULTIMATE.start_main_~k~5 39), 67409#(<= ULTIMATE.start_main_~k~5 42), 67408#(<= ULTIMATE.start_main_~k~5 41), 67411#(<= ULTIMATE.start_main_~k~5 44), 67410#(<= ULTIMATE.start_main_~k~5 43), 67413#(<= ULTIMATE.start_main_~k~5 46), 67412#(<= ULTIMATE.start_main_~k~5 45), 67415#(<= ULTIMATE.start_main_~k~5 48), 67414#(<= ULTIMATE.start_main_~k~5 47), 67417#(<= ULTIMATE.start_main_~k~5 50), 67416#(<= ULTIMATE.start_main_~k~5 49), 67419#(<= ULTIMATE.start_main_~k~5 52), 67418#(<= ULTIMATE.start_main_~k~5 51), 67421#(<= ULTIMATE.start_main_~k~5 54), 67420#(<= ULTIMATE.start_main_~k~5 53), 67423#(<= ULTIMATE.start_main_~k~5 56), 67422#(<= ULTIMATE.start_main_~k~5 55), 67425#(<= ULTIMATE.start_main_~k~5 58), 67424#(<= ULTIMATE.start_main_~k~5 57), 67427#(<= ULTIMATE.start_main_~k~5 60), 67426#(<= ULTIMATE.start_main_~k~5 59), 67429#(<= ULTIMATE.start_main_~k~5 62), 67428#(<= ULTIMATE.start_main_~k~5 61), 67431#(<= ULTIMATE.start_main_~k~5 64), 67430#(<= ULTIMATE.start_main_~k~5 63), 67433#(<= ULTIMATE.start_main_~k~5 66), 67432#(<= ULTIMATE.start_main_~k~5 65), 67435#(<= ULTIMATE.start_main_~k~5 68), 67434#(<= ULTIMATE.start_main_~k~5 67), 67437#(<= ULTIMATE.start_main_~k~5 70), 67436#(<= ULTIMATE.start_main_~k~5 69), 67439#(<= ULTIMATE.start_main_~k~5 72), 67438#(<= ULTIMATE.start_main_~k~5 71), 67441#(<= ULTIMATE.start_main_~k~5 74), 67440#(<= ULTIMATE.start_main_~k~5 73), 67443#(<= ULTIMATE.start_main_~k~5 76), 67442#(<= ULTIMATE.start_main_~k~5 75), 67445#(<= ULTIMATE.start_main_~k~5 78), 67444#(<= ULTIMATE.start_main_~k~5 77), 67447#(<= ULTIMATE.start_main_~k~5 80), 67446#(<= ULTIMATE.start_main_~k~5 79), 67449#(<= ULTIMATE.start_main_~k~5 82), 67448#(<= ULTIMATE.start_main_~k~5 81), 67451#(<= ULTIMATE.start_main_~k~5 84), 67450#(<= ULTIMATE.start_main_~k~5 83), 67453#(<= ULTIMATE.start_main_~k~5 86), 67452#(<= ULTIMATE.start_main_~k~5 85), 67455#(<= ULTIMATE.start_main_~k~5 88), 67454#(<= ULTIMATE.start_main_~k~5 87), 67457#(<= ULTIMATE.start_main_~k~5 90), 67456#(<= ULTIMATE.start_main_~k~5 89), 67459#(<= ULTIMATE.start_main_~k~5 92), 67458#(<= ULTIMATE.start_main_~k~5 91), 67461#(<= ULTIMATE.start_main_~k~5 94), 67460#(<= ULTIMATE.start_main_~k~5 93), 67463#(<= ULTIMATE.start_main_~k~5 96), 67462#(<= ULTIMATE.start_main_~k~5 95), 67465#(<= ULTIMATE.start_main_~k~5 98), 67464#(<= ULTIMATE.start_main_~k~5 97), 67467#(<= ULTIMATE.start_main_~k~5 100), 67466#(<= ULTIMATE.start_main_~k~5 99), 67469#(<= ULTIMATE.start_main_~k~5 102), 67468#(<= ULTIMATE.start_main_~k~5 101), 67471#(<= ULTIMATE.start_main_~k~5 104), 67470#(<= ULTIMATE.start_main_~k~5 103), 67473#(<= ULTIMATE.start_main_~k~5 106), 67472#(<= ULTIMATE.start_main_~k~5 105), 67475#(<= ULTIMATE.start_main_~k~5 108), 67474#(<= ULTIMATE.start_main_~k~5 107), 67477#(<= ULTIMATE.start_main_~k~5 110), 67476#(<= ULTIMATE.start_main_~k~5 109), 67479#(<= ULTIMATE.start_main_~k~5 112), 67478#(<= ULTIMATE.start_main_~k~5 111), 67481#(<= ULTIMATE.start_main_~k~5 114), 67480#(<= ULTIMATE.start_main_~k~5 113), 67483#(<= ULTIMATE.start_main_~k~5 116), 67482#(<= ULTIMATE.start_main_~k~5 115), 67485#(<= ULTIMATE.start_main_~k~5 118), 67484#(<= ULTIMATE.start_main_~k~5 117), 67486#(<= ULTIMATE.start_main_~k~5 119)] [2018-07-23 13:46:01,436 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 13:46:01,436 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:46:01,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:46:01,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:46:01,438 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 122 states. [2018-07-23 13:46:01,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:01,739 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:46:01,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:46:01,739 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 242 [2018-07-23 13:46:01,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:01,740 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:46:01,740 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:46:01,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:46:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:46:01,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:46:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:46:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:46:01,746 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 242 [2018-07-23 13:46:01,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:01,747 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:46:01,747 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:46:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:46:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:46:01,747 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:01,748 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1] [2018-07-23 13:46:01,748 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:01,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1402406135, now seen corresponding path program 120 times [2018-07-23 13:46:01,748 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,377 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 13:46:02,377 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,377 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:46:02,377 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,378 INFO L185 omatonBuilderFactory]: Interpolants [68471#true, 68473#(<= ULTIMATE.start_main_~k~5 0), 68472#false, 68475#(<= ULTIMATE.start_main_~k~5 2), 68474#(<= ULTIMATE.start_main_~k~5 1), 68477#(<= ULTIMATE.start_main_~k~5 4), 68476#(<= ULTIMATE.start_main_~k~5 3), 68479#(<= ULTIMATE.start_main_~k~5 6), 68478#(<= ULTIMATE.start_main_~k~5 5), 68481#(<= ULTIMATE.start_main_~k~5 8), 68480#(<= ULTIMATE.start_main_~k~5 7), 68483#(<= ULTIMATE.start_main_~k~5 10), 68482#(<= ULTIMATE.start_main_~k~5 9), 68485#(<= ULTIMATE.start_main_~k~5 12), 68484#(<= ULTIMATE.start_main_~k~5 11), 68487#(<= ULTIMATE.start_main_~k~5 14), 68486#(<= ULTIMATE.start_main_~k~5 13), 68489#(<= ULTIMATE.start_main_~k~5 16), 68488#(<= ULTIMATE.start_main_~k~5 15), 68491#(<= ULTIMATE.start_main_~k~5 18), 68490#(<= ULTIMATE.start_main_~k~5 17), 68493#(<= ULTIMATE.start_main_~k~5 20), 68492#(<= ULTIMATE.start_main_~k~5 19), 68495#(<= ULTIMATE.start_main_~k~5 22), 68494#(<= ULTIMATE.start_main_~k~5 21), 68497#(<= ULTIMATE.start_main_~k~5 24), 68496#(<= ULTIMATE.start_main_~k~5 23), 68499#(<= ULTIMATE.start_main_~k~5 26), 68498#(<= ULTIMATE.start_main_~k~5 25), 68501#(<= ULTIMATE.start_main_~k~5 28), 68500#(<= ULTIMATE.start_main_~k~5 27), 68503#(<= ULTIMATE.start_main_~k~5 30), 68502#(<= ULTIMATE.start_main_~k~5 29), 68505#(<= ULTIMATE.start_main_~k~5 32), 68504#(<= ULTIMATE.start_main_~k~5 31), 68507#(<= ULTIMATE.start_main_~k~5 34), 68506#(<= ULTIMATE.start_main_~k~5 33), 68509#(<= ULTIMATE.start_main_~k~5 36), 68508#(<= ULTIMATE.start_main_~k~5 35), 68511#(<= ULTIMATE.start_main_~k~5 38), 68510#(<= ULTIMATE.start_main_~k~5 37), 68513#(<= ULTIMATE.start_main_~k~5 40), 68512#(<= ULTIMATE.start_main_~k~5 39), 68515#(<= ULTIMATE.start_main_~k~5 42), 68514#(<= ULTIMATE.start_main_~k~5 41), 68517#(<= ULTIMATE.start_main_~k~5 44), 68516#(<= ULTIMATE.start_main_~k~5 43), 68519#(<= ULTIMATE.start_main_~k~5 46), 68518#(<= ULTIMATE.start_main_~k~5 45), 68521#(<= ULTIMATE.start_main_~k~5 48), 68520#(<= ULTIMATE.start_main_~k~5 47), 68523#(<= ULTIMATE.start_main_~k~5 50), 68522#(<= ULTIMATE.start_main_~k~5 49), 68525#(<= ULTIMATE.start_main_~k~5 52), 68524#(<= ULTIMATE.start_main_~k~5 51), 68527#(<= ULTIMATE.start_main_~k~5 54), 68526#(<= ULTIMATE.start_main_~k~5 53), 68529#(<= ULTIMATE.start_main_~k~5 56), 68528#(<= ULTIMATE.start_main_~k~5 55), 68531#(<= ULTIMATE.start_main_~k~5 58), 68530#(<= ULTIMATE.start_main_~k~5 57), 68533#(<= ULTIMATE.start_main_~k~5 60), 68532#(<= ULTIMATE.start_main_~k~5 59), 68535#(<= ULTIMATE.start_main_~k~5 62), 68534#(<= ULTIMATE.start_main_~k~5 61), 68537#(<= ULTIMATE.start_main_~k~5 64), 68536#(<= ULTIMATE.start_main_~k~5 63), 68539#(<= ULTIMATE.start_main_~k~5 66), 68538#(<= ULTIMATE.start_main_~k~5 65), 68541#(<= ULTIMATE.start_main_~k~5 68), 68540#(<= ULTIMATE.start_main_~k~5 67), 68543#(<= ULTIMATE.start_main_~k~5 70), 68542#(<= ULTIMATE.start_main_~k~5 69), 68545#(<= ULTIMATE.start_main_~k~5 72), 68544#(<= ULTIMATE.start_main_~k~5 71), 68547#(<= ULTIMATE.start_main_~k~5 74), 68546#(<= ULTIMATE.start_main_~k~5 73), 68549#(<= ULTIMATE.start_main_~k~5 76), 68548#(<= ULTIMATE.start_main_~k~5 75), 68551#(<= ULTIMATE.start_main_~k~5 78), 68550#(<= ULTIMATE.start_main_~k~5 77), 68553#(<= ULTIMATE.start_main_~k~5 80), 68552#(<= ULTIMATE.start_main_~k~5 79), 68555#(<= ULTIMATE.start_main_~k~5 82), 68554#(<= ULTIMATE.start_main_~k~5 81), 68557#(<= ULTIMATE.start_main_~k~5 84), 68556#(<= ULTIMATE.start_main_~k~5 83), 68559#(<= ULTIMATE.start_main_~k~5 86), 68558#(<= ULTIMATE.start_main_~k~5 85), 68561#(<= ULTIMATE.start_main_~k~5 88), 68560#(<= ULTIMATE.start_main_~k~5 87), 68563#(<= ULTIMATE.start_main_~k~5 90), 68562#(<= ULTIMATE.start_main_~k~5 89), 68565#(<= ULTIMATE.start_main_~k~5 92), 68564#(<= ULTIMATE.start_main_~k~5 91), 68567#(<= ULTIMATE.start_main_~k~5 94), 68566#(<= ULTIMATE.start_main_~k~5 93), 68569#(<= ULTIMATE.start_main_~k~5 96), 68568#(<= ULTIMATE.start_main_~k~5 95), 68571#(<= ULTIMATE.start_main_~k~5 98), 68570#(<= ULTIMATE.start_main_~k~5 97), 68573#(<= ULTIMATE.start_main_~k~5 100), 68572#(<= ULTIMATE.start_main_~k~5 99), 68575#(<= ULTIMATE.start_main_~k~5 102), 68574#(<= ULTIMATE.start_main_~k~5 101), 68577#(<= ULTIMATE.start_main_~k~5 104), 68576#(<= ULTIMATE.start_main_~k~5 103), 68579#(<= ULTIMATE.start_main_~k~5 106), 68578#(<= ULTIMATE.start_main_~k~5 105), 68581#(<= ULTIMATE.start_main_~k~5 108), 68580#(<= ULTIMATE.start_main_~k~5 107), 68583#(<= ULTIMATE.start_main_~k~5 110), 68582#(<= ULTIMATE.start_main_~k~5 109), 68585#(<= ULTIMATE.start_main_~k~5 112), 68584#(<= ULTIMATE.start_main_~k~5 111), 68587#(<= ULTIMATE.start_main_~k~5 114), 68586#(<= ULTIMATE.start_main_~k~5 113), 68589#(<= ULTIMATE.start_main_~k~5 116), 68588#(<= ULTIMATE.start_main_~k~5 115), 68591#(<= ULTIMATE.start_main_~k~5 118), 68590#(<= ULTIMATE.start_main_~k~5 117), 68593#(<= ULTIMATE.start_main_~k~5 120), 68592#(<= ULTIMATE.start_main_~k~5 119)] [2018-07-23 13:46:02,379 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 13:46:02,379 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:46:02,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:46:02,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:46:02,381 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 123 states. [2018-07-23 13:46:02,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:02,737 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:46:02,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:46:02,737 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 244 [2018-07-23 13:46:02,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:02,738 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:46:02,738 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:46:02,739 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:46:02,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:46:02,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:46:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:46:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:46:02,743 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 244 [2018-07-23 13:46:02,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:02,743 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:46:02,743 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:46:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:46:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:46:02,745 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:02,745 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1] [2018-07-23 13:46:02,745 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:02,745 INFO L82 PathProgramCache]: Analyzing trace with hash -907383119, now seen corresponding path program 121 times [2018-07-23 13:46:02,745 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:03,401 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 13:46:03,402 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:03,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:46:03,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,403 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= ULTIMATE.start_main_~k~5 45), 69632#(<= ULTIMATE.start_main_~k~5 44), 69635#(<= ULTIMATE.start_main_~k~5 47), 69634#(<= ULTIMATE.start_main_~k~5 46), 69637#(<= ULTIMATE.start_main_~k~5 49), 69636#(<= ULTIMATE.start_main_~k~5 48), 69639#(<= ULTIMATE.start_main_~k~5 51), 69638#(<= ULTIMATE.start_main_~k~5 50), 69641#(<= ULTIMATE.start_main_~k~5 53), 69640#(<= ULTIMATE.start_main_~k~5 52), 69643#(<= ULTIMATE.start_main_~k~5 55), 69642#(<= ULTIMATE.start_main_~k~5 54), 69645#(<= ULTIMATE.start_main_~k~5 57), 69644#(<= ULTIMATE.start_main_~k~5 56), 69647#(<= ULTIMATE.start_main_~k~5 59), 69646#(<= ULTIMATE.start_main_~k~5 58), 69649#(<= ULTIMATE.start_main_~k~5 61), 69648#(<= ULTIMATE.start_main_~k~5 60), 69651#(<= ULTIMATE.start_main_~k~5 63), 69650#(<= ULTIMATE.start_main_~k~5 62), 69653#(<= ULTIMATE.start_main_~k~5 65), 69652#(<= ULTIMATE.start_main_~k~5 64), 69655#(<= ULTIMATE.start_main_~k~5 67), 69654#(<= ULTIMATE.start_main_~k~5 66), 69657#(<= ULTIMATE.start_main_~k~5 69), 69656#(<= ULTIMATE.start_main_~k~5 68), 69659#(<= ULTIMATE.start_main_~k~5 71), 69658#(<= ULTIMATE.start_main_~k~5 70), 69661#(<= ULTIMATE.start_main_~k~5 73), 69660#(<= ULTIMATE.start_main_~k~5 72), 69663#(<= ULTIMATE.start_main_~k~5 75), 69662#(<= ULTIMATE.start_main_~k~5 74), 69665#(<= ULTIMATE.start_main_~k~5 77), 69664#(<= ULTIMATE.start_main_~k~5 76), 69667#(<= ULTIMATE.start_main_~k~5 79), 69666#(<= ULTIMATE.start_main_~k~5 78), 69669#(<= ULTIMATE.start_main_~k~5 81), 69668#(<= ULTIMATE.start_main_~k~5 80), 69671#(<= ULTIMATE.start_main_~k~5 83), 69670#(<= ULTIMATE.start_main_~k~5 82), 69673#(<= ULTIMATE.start_main_~k~5 85), 69672#(<= ULTIMATE.start_main_~k~5 84), 69675#(<= ULTIMATE.start_main_~k~5 87), 69674#(<= ULTIMATE.start_main_~k~5 86), 69677#(<= ULTIMATE.start_main_~k~5 89), 69676#(<= ULTIMATE.start_main_~k~5 88), 69679#(<= ULTIMATE.start_main_~k~5 91), 69678#(<= ULTIMATE.start_main_~k~5 90), 69681#(<= ULTIMATE.start_main_~k~5 93), 69680#(<= ULTIMATE.start_main_~k~5 92), 69683#(<= ULTIMATE.start_main_~k~5 95), 69682#(<= ULTIMATE.start_main_~k~5 94), 69685#(<= ULTIMATE.start_main_~k~5 97), 69684#(<= ULTIMATE.start_main_~k~5 96), 69687#(<= ULTIMATE.start_main_~k~5 99), 69686#(<= ULTIMATE.start_main_~k~5 98), 69689#(<= ULTIMATE.start_main_~k~5 101), 69688#(<= ULTIMATE.start_main_~k~5 100), 69691#(<= ULTIMATE.start_main_~k~5 103), 69690#(<= ULTIMATE.start_main_~k~5 102), 69693#(<= ULTIMATE.start_main_~k~5 105), 69692#(<= ULTIMATE.start_main_~k~5 104), 69695#(<= ULTIMATE.start_main_~k~5 107), 69694#(<= ULTIMATE.start_main_~k~5 106), 69697#(<= ULTIMATE.start_main_~k~5 109), 69696#(<= ULTIMATE.start_main_~k~5 108), 69699#(<= ULTIMATE.start_main_~k~5 111), 69698#(<= ULTIMATE.start_main_~k~5 110), 69701#(<= ULTIMATE.start_main_~k~5 113), 69700#(<= ULTIMATE.start_main_~k~5 112), 69703#(<= ULTIMATE.start_main_~k~5 115), 69702#(<= ULTIMATE.start_main_~k~5 114), 69705#(<= ULTIMATE.start_main_~k~5 117), 69704#(<= ULTIMATE.start_main_~k~5 116), 69707#(<= ULTIMATE.start_main_~k~5 119), 69706#(<= ULTIMATE.start_main_~k~5 118), 69709#(<= ULTIMATE.start_main_~k~5 121), 69708#(<= ULTIMATE.start_main_~k~5 120), 69587#false, 69586#true, 69589#(<= ULTIMATE.start_main_~k~5 1), 69588#(<= ULTIMATE.start_main_~k~5 0), 69591#(<= ULTIMATE.start_main_~k~5 3), 69590#(<= ULTIMATE.start_main_~k~5 2), 69593#(<= ULTIMATE.start_main_~k~5 5), 69592#(<= ULTIMATE.start_main_~k~5 4), 69595#(<= ULTIMATE.start_main_~k~5 7), 69594#(<= ULTIMATE.start_main_~k~5 6), 69597#(<= ULTIMATE.start_main_~k~5 9), 69596#(<= ULTIMATE.start_main_~k~5 8), 69599#(<= ULTIMATE.start_main_~k~5 11), 69598#(<= ULTIMATE.start_main_~k~5 10), 69601#(<= ULTIMATE.start_main_~k~5 13), 69600#(<= ULTIMATE.start_main_~k~5 12), 69603#(<= ULTIMATE.start_main_~k~5 15), 69602#(<= ULTIMATE.start_main_~k~5 14), 69605#(<= ULTIMATE.start_main_~k~5 17), 69604#(<= ULTIMATE.start_main_~k~5 16), 69607#(<= ULTIMATE.start_main_~k~5 19), 69606#(<= ULTIMATE.start_main_~k~5 18), 69609#(<= ULTIMATE.start_main_~k~5 21), 69608#(<= ULTIMATE.start_main_~k~5 20), 69611#(<= ULTIMATE.start_main_~k~5 23), 69610#(<= ULTIMATE.start_main_~k~5 22), 69613#(<= ULTIMATE.start_main_~k~5 25), 69612#(<= ULTIMATE.start_main_~k~5 24), 69615#(<= ULTIMATE.start_main_~k~5 27), 69614#(<= ULTIMATE.start_main_~k~5 26), 69617#(<= ULTIMATE.start_main_~k~5 29), 69616#(<= ULTIMATE.start_main_~k~5 28), 69619#(<= ULTIMATE.start_main_~k~5 31), 69618#(<= ULTIMATE.start_main_~k~5 30), 69621#(<= ULTIMATE.start_main_~k~5 33), 69620#(<= ULTIMATE.start_main_~k~5 32), 69623#(<= ULTIMATE.start_main_~k~5 35), 69622#(<= ULTIMATE.start_main_~k~5 34), 69625#(<= ULTIMATE.start_main_~k~5 37), 69624#(<= ULTIMATE.start_main_~k~5 36), 69627#(<= ULTIMATE.start_main_~k~5 39), 69626#(<= ULTIMATE.start_main_~k~5 38), 69629#(<= ULTIMATE.start_main_~k~5 41), 69628#(<= ULTIMATE.start_main_~k~5 40), 69631#(<= ULTIMATE.start_main_~k~5 43), 69630#(<= ULTIMATE.start_main_~k~5 42)] [2018-07-23 13:46:03,404 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 13:46:03,404 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:46:03,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:46:03,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:46:03,406 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 124 states. [2018-07-23 13:46:03,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:03,698 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:46:03,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:46:03,699 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 246 [2018-07-23 13:46:03,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:03,699 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:46:03,700 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:46:03,702 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:46:03,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:46:03,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:46:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:46:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:46:03,707 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 246 [2018-07-23 13:46:03,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:03,707 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:46:03,708 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:46:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:46:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:46:03,709 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:03,709 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1] [2018-07-23 13:46:03,709 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:03,710 INFO L82 PathProgramCache]: Analyzing trace with hash -116764181, now seen corresponding path program 122 times [2018-07-23 13:46:03,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:04,540 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 13:46:04,541 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:04,541 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:46:04,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,541 INFO L185 omatonBuilderFactory]: Interpolants [70711#false, 70710#true, 70713#(<= ULTIMATE.start_main_~k~5 1), 70712#(<= ULTIMATE.start_main_~k~5 0), 70715#(<= ULTIMATE.start_main_~k~5 3), 70714#(<= ULTIMATE.start_main_~k~5 2), 70717#(<= ULTIMATE.start_main_~k~5 5), 70716#(<= ULTIMATE.start_main_~k~5 4), 70719#(<= ULTIMATE.start_main_~k~5 7), 70718#(<= ULTIMATE.start_main_~k~5 6), 70721#(<= ULTIMATE.start_main_~k~5 9), 70720#(<= ULTIMATE.start_main_~k~5 8), 70723#(<= ULTIMATE.start_main_~k~5 11), 70722#(<= ULTIMATE.start_main_~k~5 10), 70725#(<= ULTIMATE.start_main_~k~5 13), 70724#(<= ULTIMATE.start_main_~k~5 12), 70727#(<= ULTIMATE.start_main_~k~5 15), 70726#(<= ULTIMATE.start_main_~k~5 14), 70729#(<= ULTIMATE.start_main_~k~5 17), 70728#(<= ULTIMATE.start_main_~k~5 16), 70731#(<= ULTIMATE.start_main_~k~5 19), 70730#(<= ULTIMATE.start_main_~k~5 18), 70733#(<= ULTIMATE.start_main_~k~5 21), 70732#(<= ULTIMATE.start_main_~k~5 20), 70735#(<= ULTIMATE.start_main_~k~5 23), 70734#(<= ULTIMATE.start_main_~k~5 22), 70737#(<= ULTIMATE.start_main_~k~5 25), 70736#(<= ULTIMATE.start_main_~k~5 24), 70739#(<= ULTIMATE.start_main_~k~5 27), 70738#(<= ULTIMATE.start_main_~k~5 26), 70741#(<= ULTIMATE.start_main_~k~5 29), 70740#(<= ULTIMATE.start_main_~k~5 28), 70743#(<= ULTIMATE.start_main_~k~5 31), 70742#(<= ULTIMATE.start_main_~k~5 30), 70745#(<= ULTIMATE.start_main_~k~5 33), 70744#(<= ULTIMATE.start_main_~k~5 32), 70747#(<= ULTIMATE.start_main_~k~5 35), 70746#(<= ULTIMATE.start_main_~k~5 34), 70749#(<= ULTIMATE.start_main_~k~5 37), 70748#(<= ULTIMATE.start_main_~k~5 36), 70751#(<= ULTIMATE.start_main_~k~5 39), 70750#(<= ULTIMATE.start_main_~k~5 38), 70753#(<= ULTIMATE.start_main_~k~5 41), 70752#(<= ULTIMATE.start_main_~k~5 40), 70755#(<= ULTIMATE.start_main_~k~5 43), 70754#(<= ULTIMATE.start_main_~k~5 42), 70757#(<= ULTIMATE.start_main_~k~5 45), 70756#(<= ULTIMATE.start_main_~k~5 44), 70759#(<= ULTIMATE.start_main_~k~5 47), 70758#(<= ULTIMATE.start_main_~k~5 46), 70761#(<= ULTIMATE.start_main_~k~5 49), 70760#(<= ULTIMATE.start_main_~k~5 48), 70763#(<= ULTIMATE.start_main_~k~5 51), 70762#(<= ULTIMATE.start_main_~k~5 50), 70765#(<= ULTIMATE.start_main_~k~5 53), 70764#(<= ULTIMATE.start_main_~k~5 52), 70767#(<= ULTIMATE.start_main_~k~5 55), 70766#(<= ULTIMATE.start_main_~k~5 54), 70769#(<= ULTIMATE.start_main_~k~5 57), 70768#(<= ULTIMATE.start_main_~k~5 56), 70771#(<= ULTIMATE.start_main_~k~5 59), 70770#(<= ULTIMATE.start_main_~k~5 58), 70773#(<= ULTIMATE.start_main_~k~5 61), 70772#(<= ULTIMATE.start_main_~k~5 60), 70775#(<= ULTIMATE.start_main_~k~5 63), 70774#(<= ULTIMATE.start_main_~k~5 62), 70777#(<= ULTIMATE.start_main_~k~5 65), 70776#(<= ULTIMATE.start_main_~k~5 64), 70779#(<= ULTIMATE.start_main_~k~5 67), 70778#(<= ULTIMATE.start_main_~k~5 66), 70781#(<= ULTIMATE.start_main_~k~5 69), 70780#(<= ULTIMATE.start_main_~k~5 68), 70783#(<= ULTIMATE.start_main_~k~5 71), 70782#(<= ULTIMATE.start_main_~k~5 70), 70785#(<= ULTIMATE.start_main_~k~5 73), 70784#(<= ULTIMATE.start_main_~k~5 72), 70787#(<= ULTIMATE.start_main_~k~5 75), 70786#(<= ULTIMATE.start_main_~k~5 74), 70789#(<= ULTIMATE.start_main_~k~5 77), 70788#(<= ULTIMATE.start_main_~k~5 76), 70791#(<= ULTIMATE.start_main_~k~5 79), 70790#(<= ULTIMATE.start_main_~k~5 78), 70793#(<= ULTIMATE.start_main_~k~5 81), 70792#(<= ULTIMATE.start_main_~k~5 80), 70795#(<= ULTIMATE.start_main_~k~5 83), 70794#(<= ULTIMATE.start_main_~k~5 82), 70797#(<= ULTIMATE.start_main_~k~5 85), 70796#(<= ULTIMATE.start_main_~k~5 84), 70799#(<= ULTIMATE.start_main_~k~5 87), 70798#(<= ULTIMATE.start_main_~k~5 86), 70801#(<= ULTIMATE.start_main_~k~5 89), 70800#(<= ULTIMATE.start_main_~k~5 88), 70803#(<= ULTIMATE.start_main_~k~5 91), 70802#(<= ULTIMATE.start_main_~k~5 90), 70805#(<= ULTIMATE.start_main_~k~5 93), 70804#(<= ULTIMATE.start_main_~k~5 92), 70807#(<= ULTIMATE.start_main_~k~5 95), 70806#(<= ULTIMATE.start_main_~k~5 94), 70809#(<= ULTIMATE.start_main_~k~5 97), 70808#(<= ULTIMATE.start_main_~k~5 96), 70811#(<= ULTIMATE.start_main_~k~5 99), 70810#(<= ULTIMATE.start_main_~k~5 98), 70813#(<= ULTIMATE.start_main_~k~5 101), 70812#(<= ULTIMATE.start_main_~k~5 100), 70815#(<= ULTIMATE.start_main_~k~5 103), 70814#(<= ULTIMATE.start_main_~k~5 102), 70817#(<= ULTIMATE.start_main_~k~5 105), 70816#(<= ULTIMATE.start_main_~k~5 104), 70819#(<= ULTIMATE.start_main_~k~5 107), 70818#(<= ULTIMATE.start_main_~k~5 106), 70821#(<= ULTIMATE.start_main_~k~5 109), 70820#(<= ULTIMATE.start_main_~k~5 108), 70823#(<= ULTIMATE.start_main_~k~5 111), 70822#(<= ULTIMATE.start_main_~k~5 110), 70825#(<= ULTIMATE.start_main_~k~5 113), 70824#(<= ULTIMATE.start_main_~k~5 112), 70827#(<= ULTIMATE.start_main_~k~5 115), 70826#(<= ULTIMATE.start_main_~k~5 114), 70829#(<= ULTIMATE.start_main_~k~5 117), 70828#(<= ULTIMATE.start_main_~k~5 116), 70831#(<= ULTIMATE.start_main_~k~5 119), 70830#(<= ULTIMATE.start_main_~k~5 118), 70833#(<= ULTIMATE.start_main_~k~5 121), 70832#(<= ULTIMATE.start_main_~k~5 120), 70834#(<= ULTIMATE.start_main_~k~5 122)] [2018-07-23 13:46:04,542 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 13:46:04,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:46:04,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:46:04,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:46:04,545 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 125 states. [2018-07-23 13:46:04,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:04,819 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:46:04,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:46:04,819 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 248 [2018-07-23 13:46:04,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:04,820 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:46:04,820 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:46:04,822 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:46:04,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:46:04,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:46:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:46:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:46:04,827 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 248 [2018-07-23 13:46:04,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:04,827 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:46:04,827 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:46:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:46:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:46:04,828 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:04,828 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1] [2018-07-23 13:46:04,829 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:04,829 INFO L82 PathProgramCache]: Analyzing trace with hash -541176155, now seen corresponding path program 123 times [2018-07-23 13:46:04,829 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:05,547 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 13:46:05,548 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:05,548 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:46:05,548 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,548 INFO L185 omatonBuilderFactory]: Interpolants [71937#(<= ULTIMATE.start_main_~k~5 92), 71936#(<= ULTIMATE.start_main_~k~5 91), 71939#(<= ULTIMATE.start_main_~k~5 94), 71938#(<= ULTIMATE.start_main_~k~5 93), 71941#(<= ULTIMATE.start_main_~k~5 96), 71940#(<= ULTIMATE.start_main_~k~5 95), 71943#(<= ULTIMATE.start_main_~k~5 98), 71942#(<= ULTIMATE.start_main_~k~5 97), 71945#(<= ULTIMATE.start_main_~k~5 100), 71944#(<= ULTIMATE.start_main_~k~5 99), 71947#(<= ULTIMATE.start_main_~k~5 102), 71946#(<= ULTIMATE.start_main_~k~5 101), 71949#(<= ULTIMATE.start_main_~k~5 104), 71948#(<= ULTIMATE.start_main_~k~5 103), 71951#(<= ULTIMATE.start_main_~k~5 106), 71950#(<= ULTIMATE.start_main_~k~5 105), 71953#(<= ULTIMATE.start_main_~k~5 108), 71952#(<= ULTIMATE.start_main_~k~5 107), 71955#(<= ULTIMATE.start_main_~k~5 110), 71954#(<= ULTIMATE.start_main_~k~5 109), 71957#(<= ULTIMATE.start_main_~k~5 112), 71956#(<= ULTIMATE.start_main_~k~5 111), 71959#(<= ULTIMATE.start_main_~k~5 114), 71958#(<= ULTIMATE.start_main_~k~5 113), 71961#(<= ULTIMATE.start_main_~k~5 116), 71960#(<= ULTIMATE.start_main_~k~5 115), 71963#(<= ULTIMATE.start_main_~k~5 118), 71962#(<= ULTIMATE.start_main_~k~5 117), 71965#(<= ULTIMATE.start_main_~k~5 120), 71964#(<= ULTIMATE.start_main_~k~5 119), 71967#(<= ULTIMATE.start_main_~k~5 122), 71966#(<= ULTIMATE.start_main_~k~5 121), 71968#(<= ULTIMATE.start_main_~k~5 123), 71843#true, 71845#(<= ULTIMATE.start_main_~k~5 0), 71844#false, 71847#(<= ULTIMATE.start_main_~k~5 2), 71846#(<= ULTIMATE.start_main_~k~5 1), 71849#(<= ULTIMATE.start_main_~k~5 4), 71848#(<= ULTIMATE.start_main_~k~5 3), 71851#(<= ULTIMATE.start_main_~k~5 6), 71850#(<= ULTIMATE.start_main_~k~5 5), 71853#(<= ULTIMATE.start_main_~k~5 8), 71852#(<= ULTIMATE.start_main_~k~5 7), 71855#(<= ULTIMATE.start_main_~k~5 10), 71854#(<= ULTIMATE.start_main_~k~5 9), 71857#(<= ULTIMATE.start_main_~k~5 12), 71856#(<= ULTIMATE.start_main_~k~5 11), 71859#(<= ULTIMATE.start_main_~k~5 14), 71858#(<= ULTIMATE.start_main_~k~5 13), 71861#(<= ULTIMATE.start_main_~k~5 16), 71860#(<= ULTIMATE.start_main_~k~5 15), 71863#(<= ULTIMATE.start_main_~k~5 18), 71862#(<= ULTIMATE.start_main_~k~5 17), 71865#(<= ULTIMATE.start_main_~k~5 20), 71864#(<= ULTIMATE.start_main_~k~5 19), 71867#(<= ULTIMATE.start_main_~k~5 22), 71866#(<= ULTIMATE.start_main_~k~5 21), 71869#(<= ULTIMATE.start_main_~k~5 24), 71868#(<= ULTIMATE.start_main_~k~5 23), 71871#(<= ULTIMATE.start_main_~k~5 26), 71870#(<= ULTIMATE.start_main_~k~5 25), 71873#(<= ULTIMATE.start_main_~k~5 28), 71872#(<= ULTIMATE.start_main_~k~5 27), 71875#(<= ULTIMATE.start_main_~k~5 30), 71874#(<= ULTIMATE.start_main_~k~5 29), 71877#(<= ULTIMATE.start_main_~k~5 32), 71876#(<= ULTIMATE.start_main_~k~5 31), 71879#(<= ULTIMATE.start_main_~k~5 34), 71878#(<= ULTIMATE.start_main_~k~5 33), 71881#(<= ULTIMATE.start_main_~k~5 36), 71880#(<= ULTIMATE.start_main_~k~5 35), 71883#(<= ULTIMATE.start_main_~k~5 38), 71882#(<= ULTIMATE.start_main_~k~5 37), 71885#(<= ULTIMATE.start_main_~k~5 40), 71884#(<= ULTIMATE.start_main_~k~5 39), 71887#(<= ULTIMATE.start_main_~k~5 42), 71886#(<= ULTIMATE.start_main_~k~5 41), 71889#(<= ULTIMATE.start_main_~k~5 44), 71888#(<= ULTIMATE.start_main_~k~5 43), 71891#(<= ULTIMATE.start_main_~k~5 46), 71890#(<= ULTIMATE.start_main_~k~5 45), 71893#(<= ULTIMATE.start_main_~k~5 48), 71892#(<= ULTIMATE.start_main_~k~5 47), 71895#(<= ULTIMATE.start_main_~k~5 50), 71894#(<= ULTIMATE.start_main_~k~5 49), 71897#(<= ULTIMATE.start_main_~k~5 52), 71896#(<= ULTIMATE.start_main_~k~5 51), 71899#(<= ULTIMATE.start_main_~k~5 54), 71898#(<= ULTIMATE.start_main_~k~5 53), 71901#(<= ULTIMATE.start_main_~k~5 56), 71900#(<= ULTIMATE.start_main_~k~5 55), 71903#(<= ULTIMATE.start_main_~k~5 58), 71902#(<= ULTIMATE.start_main_~k~5 57), 71905#(<= ULTIMATE.start_main_~k~5 60), 71904#(<= ULTIMATE.start_main_~k~5 59), 71907#(<= ULTIMATE.start_main_~k~5 62), 71906#(<= ULTIMATE.start_main_~k~5 61), 71909#(<= ULTIMATE.start_main_~k~5 64), 71908#(<= ULTIMATE.start_main_~k~5 63), 71911#(<= ULTIMATE.start_main_~k~5 66), 71910#(<= ULTIMATE.start_main_~k~5 65), 71913#(<= ULTIMATE.start_main_~k~5 68), 71912#(<= ULTIMATE.start_main_~k~5 67), 71915#(<= ULTIMATE.start_main_~k~5 70), 71914#(<= ULTIMATE.start_main_~k~5 69), 71917#(<= ULTIMATE.start_main_~k~5 72), 71916#(<= ULTIMATE.start_main_~k~5 71), 71919#(<= ULTIMATE.start_main_~k~5 74), 71918#(<= ULTIMATE.start_main_~k~5 73), 71921#(<= ULTIMATE.start_main_~k~5 76), 71920#(<= ULTIMATE.start_main_~k~5 75), 71923#(<= ULTIMATE.start_main_~k~5 78), 71922#(<= ULTIMATE.start_main_~k~5 77), 71925#(<= ULTIMATE.start_main_~k~5 80), 71924#(<= ULTIMATE.start_main_~k~5 79), 71927#(<= ULTIMATE.start_main_~k~5 82), 71926#(<= ULTIMATE.start_main_~k~5 81), 71929#(<= ULTIMATE.start_main_~k~5 84), 71928#(<= ULTIMATE.start_main_~k~5 83), 71931#(<= ULTIMATE.start_main_~k~5 86), 71930#(<= ULTIMATE.start_main_~k~5 85), 71933#(<= ULTIMATE.start_main_~k~5 88), 71932#(<= ULTIMATE.start_main_~k~5 87), 71935#(<= ULTIMATE.start_main_~k~5 90), 71934#(<= ULTIMATE.start_main_~k~5 89)] [2018-07-23 13:46:05,549 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 13:46:05,549 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:46:05,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:46:05,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:46:05,551 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 126 states. [2018-07-23 13:46:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:05,710 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:46:05,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:46:05,710 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 250 [2018-07-23 13:46:05,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:05,711 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:46:05,711 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:46:05,712 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 13:46:05,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:46:05,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:46:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:46:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:46:05,716 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 250 [2018-07-23 13:46:05,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:05,716 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:46:05,716 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:46:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:46:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:46:05,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:05,718 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1] [2018-07-23 13:46:05,718 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:05,718 INFO L82 PathProgramCache]: Analyzing trace with hash -379190049, now seen corresponding path program 124 times [2018-07-23 13:46:05,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:06,396 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 13:46:06,397 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:06,397 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:46:06,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,398 INFO L185 omatonBuilderFactory]: Interpolants [72985#true, 72987#(<= ULTIMATE.start_main_~k~5 0), 72986#false, 72989#(<= ULTIMATE.start_main_~k~5 2), 72988#(<= ULTIMATE.start_main_~k~5 1), 72991#(<= ULTIMATE.start_main_~k~5 4), 72990#(<= ULTIMATE.start_main_~k~5 3), 72993#(<= ULTIMATE.start_main_~k~5 6), 72992#(<= ULTIMATE.start_main_~k~5 5), 72995#(<= ULTIMATE.start_main_~k~5 8), 72994#(<= ULTIMATE.start_main_~k~5 7), 72997#(<= ULTIMATE.start_main_~k~5 10), 72996#(<= ULTIMATE.start_main_~k~5 9), 72999#(<= ULTIMATE.start_main_~k~5 12), 72998#(<= ULTIMATE.start_main_~k~5 11), 73001#(<= ULTIMATE.start_main_~k~5 14), 73000#(<= ULTIMATE.start_main_~k~5 13), 73003#(<= ULTIMATE.start_main_~k~5 16), 73002#(<= ULTIMATE.start_main_~k~5 15), 73005#(<= ULTIMATE.start_main_~k~5 18), 73004#(<= ULTIMATE.start_main_~k~5 17), 73007#(<= ULTIMATE.start_main_~k~5 20), 73006#(<= ULTIMATE.start_main_~k~5 19), 73009#(<= ULTIMATE.start_main_~k~5 22), 73008#(<= ULTIMATE.start_main_~k~5 21), 73011#(<= ULTIMATE.start_main_~k~5 24), 73010#(<= ULTIMATE.start_main_~k~5 23), 73013#(<= ULTIMATE.start_main_~k~5 26), 73012#(<= ULTIMATE.start_main_~k~5 25), 73015#(<= ULTIMATE.start_main_~k~5 28), 73014#(<= ULTIMATE.start_main_~k~5 27), 73017#(<= ULTIMATE.start_main_~k~5 30), 73016#(<= ULTIMATE.start_main_~k~5 29), 73019#(<= ULTIMATE.start_main_~k~5 32), 73018#(<= ULTIMATE.start_main_~k~5 31), 73021#(<= ULTIMATE.start_main_~k~5 34), 73020#(<= ULTIMATE.start_main_~k~5 33), 73023#(<= ULTIMATE.start_main_~k~5 36), 73022#(<= ULTIMATE.start_main_~k~5 35), 73025#(<= ULTIMATE.start_main_~k~5 38), 73024#(<= ULTIMATE.start_main_~k~5 37), 73027#(<= ULTIMATE.start_main_~k~5 40), 73026#(<= ULTIMATE.start_main_~k~5 39), 73029#(<= ULTIMATE.start_main_~k~5 42), 73028#(<= ULTIMATE.start_main_~k~5 41), 73031#(<= ULTIMATE.start_main_~k~5 44), 73030#(<= ULTIMATE.start_main_~k~5 43), 73033#(<= ULTIMATE.start_main_~k~5 46), 73032#(<= ULTIMATE.start_main_~k~5 45), 73035#(<= ULTIMATE.start_main_~k~5 48), 73034#(<= ULTIMATE.start_main_~k~5 47), 73037#(<= ULTIMATE.start_main_~k~5 50), 73036#(<= ULTIMATE.start_main_~k~5 49), 73039#(<= ULTIMATE.start_main_~k~5 52), 73038#(<= ULTIMATE.start_main_~k~5 51), 73041#(<= ULTIMATE.start_main_~k~5 54), 73040#(<= ULTIMATE.start_main_~k~5 53), 73043#(<= ULTIMATE.start_main_~k~5 56), 73042#(<= ULTIMATE.start_main_~k~5 55), 73045#(<= ULTIMATE.start_main_~k~5 58), 73044#(<= ULTIMATE.start_main_~k~5 57), 73047#(<= ULTIMATE.start_main_~k~5 60), 73046#(<= ULTIMATE.start_main_~k~5 59), 73049#(<= ULTIMATE.start_main_~k~5 62), 73048#(<= ULTIMATE.start_main_~k~5 61), 73051#(<= ULTIMATE.start_main_~k~5 64), 73050#(<= ULTIMATE.start_main_~k~5 63), 73053#(<= ULTIMATE.start_main_~k~5 66), 73052#(<= ULTIMATE.start_main_~k~5 65), 73055#(<= ULTIMATE.start_main_~k~5 68), 73054#(<= ULTIMATE.start_main_~k~5 67), 73057#(<= ULTIMATE.start_main_~k~5 70), 73056#(<= ULTIMATE.start_main_~k~5 69), 73059#(<= ULTIMATE.start_main_~k~5 72), 73058#(<= ULTIMATE.start_main_~k~5 71), 73061#(<= ULTIMATE.start_main_~k~5 74), 73060#(<= ULTIMATE.start_main_~k~5 73), 73063#(<= ULTIMATE.start_main_~k~5 76), 73062#(<= ULTIMATE.start_main_~k~5 75), 73065#(<= ULTIMATE.start_main_~k~5 78), 73064#(<= ULTIMATE.start_main_~k~5 77), 73067#(<= ULTIMATE.start_main_~k~5 80), 73066#(<= ULTIMATE.start_main_~k~5 79), 73069#(<= ULTIMATE.start_main_~k~5 82), 73068#(<= ULTIMATE.start_main_~k~5 81), 73071#(<= ULTIMATE.start_main_~k~5 84), 73070#(<= ULTIMATE.start_main_~k~5 83), 73073#(<= ULTIMATE.start_main_~k~5 86), 73072#(<= ULTIMATE.start_main_~k~5 85), 73075#(<= ULTIMATE.start_main_~k~5 88), 73074#(<= ULTIMATE.start_main_~k~5 87), 73077#(<= ULTIMATE.start_main_~k~5 90), 73076#(<= ULTIMATE.start_main_~k~5 89), 73079#(<= ULTIMATE.start_main_~k~5 92), 73078#(<= ULTIMATE.start_main_~k~5 91), 73081#(<= ULTIMATE.start_main_~k~5 94), 73080#(<= ULTIMATE.start_main_~k~5 93), 73083#(<= ULTIMATE.start_main_~k~5 96), 73082#(<= ULTIMATE.start_main_~k~5 95), 73085#(<= ULTIMATE.start_main_~k~5 98), 73084#(<= ULTIMATE.start_main_~k~5 97), 73087#(<= ULTIMATE.start_main_~k~5 100), 73086#(<= ULTIMATE.start_main_~k~5 99), 73089#(<= ULTIMATE.start_main_~k~5 102), 73088#(<= ULTIMATE.start_main_~k~5 101), 73091#(<= ULTIMATE.start_main_~k~5 104), 73090#(<= ULTIMATE.start_main_~k~5 103), 73093#(<= ULTIMATE.start_main_~k~5 106), 73092#(<= ULTIMATE.start_main_~k~5 105), 73095#(<= ULTIMATE.start_main_~k~5 108), 73094#(<= ULTIMATE.start_main_~k~5 107), 73097#(<= ULTIMATE.start_main_~k~5 110), 73096#(<= ULTIMATE.start_main_~k~5 109), 73099#(<= ULTIMATE.start_main_~k~5 112), 73098#(<= ULTIMATE.start_main_~k~5 111), 73101#(<= ULTIMATE.start_main_~k~5 114), 73100#(<= ULTIMATE.start_main_~k~5 113), 73103#(<= ULTIMATE.start_main_~k~5 116), 73102#(<= ULTIMATE.start_main_~k~5 115), 73105#(<= ULTIMATE.start_main_~k~5 118), 73104#(<= ULTIMATE.start_main_~k~5 117), 73107#(<= ULTIMATE.start_main_~k~5 120), 73106#(<= ULTIMATE.start_main_~k~5 119), 73109#(<= ULTIMATE.start_main_~k~5 122), 73108#(<= ULTIMATE.start_main_~k~5 121), 73111#(<= ULTIMATE.start_main_~k~5 124), 73110#(<= ULTIMATE.start_main_~k~5 123)] [2018-07-23 13:46:06,399 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 13:46:06,399 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:46:06,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:46:06,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:46:06,401 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 127 states. [2018-07-23 13:46:06,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:06,775 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:46:06,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:46:06,776 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 252 [2018-07-23 13:46:06,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:06,776 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:46:06,776 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:46:06,778 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 13:46:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:46:06,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:46:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:46:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:46:06,781 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 252 [2018-07-23 13:46:06,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:06,781 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:46:06,781 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:46:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:46:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:46:06,783 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:06,783 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1] [2018-07-23 13:46:06,783 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:06,783 INFO L82 PathProgramCache]: Analyzing trace with hash 670635161, now seen corresponding path program 125 times [2018-07-23 13:46:06,783 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:07,522 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 13:46:07,522 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:07,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:46:07,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,523 INFO L185 omatonBuilderFactory]: Interpolants [74241#(<= ULTIMATE.start_main_~k~5 103), 74240#(<= ULTIMATE.start_main_~k~5 102), 74243#(<= ULTIMATE.start_main_~k~5 105), 74242#(<= ULTIMATE.start_main_~k~5 104), 74245#(<= ULTIMATE.start_main_~k~5 107), 74244#(<= ULTIMATE.start_main_~k~5 106), 74247#(<= ULTIMATE.start_main_~k~5 109), 74246#(<= ULTIMATE.start_main_~k~5 108), 74249#(<= ULTIMATE.start_main_~k~5 111), 74248#(<= ULTIMATE.start_main_~k~5 110), 74251#(<= ULTIMATE.start_main_~k~5 113), 74250#(<= ULTIMATE.start_main_~k~5 112), 74253#(<= ULTIMATE.start_main_~k~5 115), 74252#(<= ULTIMATE.start_main_~k~5 114), 74255#(<= ULTIMATE.start_main_~k~5 117), 74254#(<= ULTIMATE.start_main_~k~5 116), 74257#(<= ULTIMATE.start_main_~k~5 119), 74256#(<= ULTIMATE.start_main_~k~5 118), 74259#(<= ULTIMATE.start_main_~k~5 121), 74258#(<= ULTIMATE.start_main_~k~5 120), 74261#(<= ULTIMATE.start_main_~k~5 123), 74260#(<= ULTIMATE.start_main_~k~5 122), 74263#(<= ULTIMATE.start_main_~k~5 125), 74262#(<= ULTIMATE.start_main_~k~5 124), 74137#false, 74136#true, 74139#(<= ULTIMATE.start_main_~k~5 1), 74138#(<= ULTIMATE.start_main_~k~5 0), 74141#(<= ULTIMATE.start_main_~k~5 3), 74140#(<= ULTIMATE.start_main_~k~5 2), 74143#(<= ULTIMATE.start_main_~k~5 5), 74142#(<= ULTIMATE.start_main_~k~5 4), 74145#(<= ULTIMATE.start_main_~k~5 7), 74144#(<= ULTIMATE.start_main_~k~5 6), 74147#(<= ULTIMATE.start_main_~k~5 9), 74146#(<= ULTIMATE.start_main_~k~5 8), 74149#(<= ULTIMATE.start_main_~k~5 11), 74148#(<= ULTIMATE.start_main_~k~5 10), 74151#(<= ULTIMATE.start_main_~k~5 13), 74150#(<= ULTIMATE.start_main_~k~5 12), 74153#(<= ULTIMATE.start_main_~k~5 15), 74152#(<= ULTIMATE.start_main_~k~5 14), 74155#(<= ULTIMATE.start_main_~k~5 17), 74154#(<= ULTIMATE.start_main_~k~5 16), 74157#(<= ULTIMATE.start_main_~k~5 19), 74156#(<= ULTIMATE.start_main_~k~5 18), 74159#(<= ULTIMATE.start_main_~k~5 21), 74158#(<= ULTIMATE.start_main_~k~5 20), 74161#(<= ULTIMATE.start_main_~k~5 23), 74160#(<= ULTIMATE.start_main_~k~5 22), 74163#(<= ULTIMATE.start_main_~k~5 25), 74162#(<= ULTIMATE.start_main_~k~5 24), 74165#(<= ULTIMATE.start_main_~k~5 27), 74164#(<= ULTIMATE.start_main_~k~5 26), 74167#(<= ULTIMATE.start_main_~k~5 29), 74166#(<= ULTIMATE.start_main_~k~5 28), 74169#(<= ULTIMATE.start_main_~k~5 31), 74168#(<= ULTIMATE.start_main_~k~5 30), 74171#(<= ULTIMATE.start_main_~k~5 33), 74170#(<= ULTIMATE.start_main_~k~5 32), 74173#(<= ULTIMATE.start_main_~k~5 35), 74172#(<= ULTIMATE.start_main_~k~5 34), 74175#(<= ULTIMATE.start_main_~k~5 37), 74174#(<= ULTIMATE.start_main_~k~5 36), 74177#(<= ULTIMATE.start_main_~k~5 39), 74176#(<= ULTIMATE.start_main_~k~5 38), 74179#(<= ULTIMATE.start_main_~k~5 41), 74178#(<= ULTIMATE.start_main_~k~5 40), 74181#(<= ULTIMATE.start_main_~k~5 43), 74180#(<= ULTIMATE.start_main_~k~5 42), 74183#(<= ULTIMATE.start_main_~k~5 45), 74182#(<= ULTIMATE.start_main_~k~5 44), 74185#(<= ULTIMATE.start_main_~k~5 47), 74184#(<= ULTIMATE.start_main_~k~5 46), 74187#(<= ULTIMATE.start_main_~k~5 49), 74186#(<= ULTIMATE.start_main_~k~5 48), 74189#(<= ULTIMATE.start_main_~k~5 51), 74188#(<= ULTIMATE.start_main_~k~5 50), 74191#(<= ULTIMATE.start_main_~k~5 53), 74190#(<= ULTIMATE.start_main_~k~5 52), 74193#(<= ULTIMATE.start_main_~k~5 55), 74192#(<= ULTIMATE.start_main_~k~5 54), 74195#(<= ULTIMATE.start_main_~k~5 57), 74194#(<= ULTIMATE.start_main_~k~5 56), 74197#(<= ULTIMATE.start_main_~k~5 59), 74196#(<= ULTIMATE.start_main_~k~5 58), 74199#(<= ULTIMATE.start_main_~k~5 61), 74198#(<= ULTIMATE.start_main_~k~5 60), 74201#(<= ULTIMATE.start_main_~k~5 63), 74200#(<= ULTIMATE.start_main_~k~5 62), 74203#(<= ULTIMATE.start_main_~k~5 65), 74202#(<= ULTIMATE.start_main_~k~5 64), 74205#(<= ULTIMATE.start_main_~k~5 67), 74204#(<= ULTIMATE.start_main_~k~5 66), 74207#(<= ULTIMATE.start_main_~k~5 69), 74206#(<= ULTIMATE.start_main_~k~5 68), 74209#(<= ULTIMATE.start_main_~k~5 71), 74208#(<= ULTIMATE.start_main_~k~5 70), 74211#(<= ULTIMATE.start_main_~k~5 73), 74210#(<= ULTIMATE.start_main_~k~5 72), 74213#(<= ULTIMATE.start_main_~k~5 75), 74212#(<= ULTIMATE.start_main_~k~5 74), 74215#(<= ULTIMATE.start_main_~k~5 77), 74214#(<= ULTIMATE.start_main_~k~5 76), 74217#(<= ULTIMATE.start_main_~k~5 79), 74216#(<= ULTIMATE.start_main_~k~5 78), 74219#(<= ULTIMATE.start_main_~k~5 81), 74218#(<= ULTIMATE.start_main_~k~5 80), 74221#(<= ULTIMATE.start_main_~k~5 83), 74220#(<= ULTIMATE.start_main_~k~5 82), 74223#(<= ULTIMATE.start_main_~k~5 85), 74222#(<= ULTIMATE.start_main_~k~5 84), 74225#(<= ULTIMATE.start_main_~k~5 87), 74224#(<= ULTIMATE.start_main_~k~5 86), 74227#(<= ULTIMATE.start_main_~k~5 89), 74226#(<= ULTIMATE.start_main_~k~5 88), 74229#(<= ULTIMATE.start_main_~k~5 91), 74228#(<= ULTIMATE.start_main_~k~5 90), 74231#(<= ULTIMATE.start_main_~k~5 93), 74230#(<= ULTIMATE.start_main_~k~5 92), 74233#(<= ULTIMATE.start_main_~k~5 95), 74232#(<= ULTIMATE.start_main_~k~5 94), 74235#(<= ULTIMATE.start_main_~k~5 97), 74234#(<= ULTIMATE.start_main_~k~5 96), 74237#(<= ULTIMATE.start_main_~k~5 99), 74236#(<= ULTIMATE.start_main_~k~5 98), 74239#(<= ULTIMATE.start_main_~k~5 101), 74238#(<= ULTIMATE.start_main_~k~5 100)] [2018-07-23 13:46:07,524 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 13:46:07,524 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:46:07,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:46:07,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:46:07,526 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 128 states. [2018-07-23 13:46:07,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:07,746 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:46:07,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:46:07,746 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 254 [2018-07-23 13:46:07,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:07,747 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:46:07,747 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:46:07,749 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:46:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:46:07,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:46:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:46:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:46:07,754 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 254 [2018-07-23 13:46:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:07,754 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:46:07,754 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:46:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:46:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:46:07,755 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:07,756 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1] [2018-07-23 13:46:07,756 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:07,756 INFO L82 PathProgramCache]: Analyzing trace with hash 235347411, now seen corresponding path program 126 times [2018-07-23 13:46:07,756 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:08,491 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 13:46:08,491 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:08,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:46:08,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,492 INFO L185 omatonBuilderFactory]: Interpolants [75297#false, 75296#true, 75299#(<= ULTIMATE.start_main_~k~5 1), 75298#(<= ULTIMATE.start_main_~k~5 0), 75301#(<= ULTIMATE.start_main_~k~5 3), 75300#(<= ULTIMATE.start_main_~k~5 2), 75303#(<= ULTIMATE.start_main_~k~5 5), 75302#(<= ULTIMATE.start_main_~k~5 4), 75305#(<= ULTIMATE.start_main_~k~5 7), 75304#(<= ULTIMATE.start_main_~k~5 6), 75307#(<= ULTIMATE.start_main_~k~5 9), 75306#(<= ULTIMATE.start_main_~k~5 8), 75309#(<= ULTIMATE.start_main_~k~5 11), 75308#(<= ULTIMATE.start_main_~k~5 10), 75311#(<= ULTIMATE.start_main_~k~5 13), 75310#(<= ULTIMATE.start_main_~k~5 12), 75313#(<= ULTIMATE.start_main_~k~5 15), 75312#(<= ULTIMATE.start_main_~k~5 14), 75315#(<= ULTIMATE.start_main_~k~5 17), 75314#(<= ULTIMATE.start_main_~k~5 16), 75317#(<= ULTIMATE.start_main_~k~5 19), 75316#(<= ULTIMATE.start_main_~k~5 18), 75319#(<= ULTIMATE.start_main_~k~5 21), 75318#(<= ULTIMATE.start_main_~k~5 20), 75321#(<= ULTIMATE.start_main_~k~5 23), 75320#(<= ULTIMATE.start_main_~k~5 22), 75323#(<= ULTIMATE.start_main_~k~5 25), 75322#(<= ULTIMATE.start_main_~k~5 24), 75325#(<= ULTIMATE.start_main_~k~5 27), 75324#(<= ULTIMATE.start_main_~k~5 26), 75327#(<= ULTIMATE.start_main_~k~5 29), 75326#(<= ULTIMATE.start_main_~k~5 28), 75329#(<= ULTIMATE.start_main_~k~5 31), 75328#(<= ULTIMATE.start_main_~k~5 30), 75331#(<= ULTIMATE.start_main_~k~5 33), 75330#(<= ULTIMATE.start_main_~k~5 32), 75333#(<= ULTIMATE.start_main_~k~5 35), 75332#(<= ULTIMATE.start_main_~k~5 34), 75335#(<= ULTIMATE.start_main_~k~5 37), 75334#(<= ULTIMATE.start_main_~k~5 36), 75337#(<= ULTIMATE.start_main_~k~5 39), 75336#(<= ULTIMATE.start_main_~k~5 38), 75339#(<= ULTIMATE.start_main_~k~5 41), 75338#(<= ULTIMATE.start_main_~k~5 40), 75341#(<= ULTIMATE.start_main_~k~5 43), 75340#(<= ULTIMATE.start_main_~k~5 42), 75343#(<= ULTIMATE.start_main_~k~5 45), 75342#(<= ULTIMATE.start_main_~k~5 44), 75345#(<= ULTIMATE.start_main_~k~5 47), 75344#(<= ULTIMATE.start_main_~k~5 46), 75347#(<= ULTIMATE.start_main_~k~5 49), 75346#(<= ULTIMATE.start_main_~k~5 48), 75349#(<= ULTIMATE.start_main_~k~5 51), 75348#(<= ULTIMATE.start_main_~k~5 50), 75351#(<= ULTIMATE.start_main_~k~5 53), 75350#(<= ULTIMATE.start_main_~k~5 52), 75353#(<= ULTIMATE.start_main_~k~5 55), 75352#(<= ULTIMATE.start_main_~k~5 54), 75355#(<= ULTIMATE.start_main_~k~5 57), 75354#(<= ULTIMATE.start_main_~k~5 56), 75357#(<= ULTIMATE.start_main_~k~5 59), 75356#(<= ULTIMATE.start_main_~k~5 58), 75359#(<= ULTIMATE.start_main_~k~5 61), 75358#(<= ULTIMATE.start_main_~k~5 60), 75361#(<= ULTIMATE.start_main_~k~5 63), 75360#(<= ULTIMATE.start_main_~k~5 62), 75363#(<= ULTIMATE.start_main_~k~5 65), 75362#(<= ULTIMATE.start_main_~k~5 64), 75365#(<= ULTIMATE.start_main_~k~5 67), 75364#(<= ULTIMATE.start_main_~k~5 66), 75367#(<= ULTIMATE.start_main_~k~5 69), 75366#(<= ULTIMATE.start_main_~k~5 68), 75369#(<= ULTIMATE.start_main_~k~5 71), 75368#(<= ULTIMATE.start_main_~k~5 70), 75371#(<= ULTIMATE.start_main_~k~5 73), 75370#(<= ULTIMATE.start_main_~k~5 72), 75373#(<= ULTIMATE.start_main_~k~5 75), 75372#(<= ULTIMATE.start_main_~k~5 74), 75375#(<= ULTIMATE.start_main_~k~5 77), 75374#(<= ULTIMATE.start_main_~k~5 76), 75377#(<= ULTIMATE.start_main_~k~5 79), 75376#(<= ULTIMATE.start_main_~k~5 78), 75379#(<= ULTIMATE.start_main_~k~5 81), 75378#(<= ULTIMATE.start_main_~k~5 80), 75381#(<= ULTIMATE.start_main_~k~5 83), 75380#(<= ULTIMATE.start_main_~k~5 82), 75383#(<= ULTIMATE.start_main_~k~5 85), 75382#(<= ULTIMATE.start_main_~k~5 84), 75385#(<= ULTIMATE.start_main_~k~5 87), 75384#(<= ULTIMATE.start_main_~k~5 86), 75387#(<= ULTIMATE.start_main_~k~5 89), 75386#(<= ULTIMATE.start_main_~k~5 88), 75389#(<= ULTIMATE.start_main_~k~5 91), 75388#(<= ULTIMATE.start_main_~k~5 90), 75391#(<= ULTIMATE.start_main_~k~5 93), 75390#(<= ULTIMATE.start_main_~k~5 92), 75393#(<= ULTIMATE.start_main_~k~5 95), 75392#(<= ULTIMATE.start_main_~k~5 94), 75395#(<= ULTIMATE.start_main_~k~5 97), 75394#(<= ULTIMATE.start_main_~k~5 96), 75397#(<= ULTIMATE.start_main_~k~5 99), 75396#(<= ULTIMATE.start_main_~k~5 98), 75399#(<= ULTIMATE.start_main_~k~5 101), 75398#(<= ULTIMATE.start_main_~k~5 100), 75401#(<= ULTIMATE.start_main_~k~5 103), 75400#(<= ULTIMATE.start_main_~k~5 102), 75403#(<= ULTIMATE.start_main_~k~5 105), 75402#(<= ULTIMATE.start_main_~k~5 104), 75405#(<= ULTIMATE.start_main_~k~5 107), 75404#(<= ULTIMATE.start_main_~k~5 106), 75407#(<= ULTIMATE.start_main_~k~5 109), 75406#(<= ULTIMATE.start_main_~k~5 108), 75409#(<= ULTIMATE.start_main_~k~5 111), 75408#(<= ULTIMATE.start_main_~k~5 110), 75411#(<= ULTIMATE.start_main_~k~5 113), 75410#(<= ULTIMATE.start_main_~k~5 112), 75413#(<= ULTIMATE.start_main_~k~5 115), 75412#(<= ULTIMATE.start_main_~k~5 114), 75415#(<= ULTIMATE.start_main_~k~5 117), 75414#(<= ULTIMATE.start_main_~k~5 116), 75417#(<= ULTIMATE.start_main_~k~5 119), 75416#(<= ULTIMATE.start_main_~k~5 118), 75419#(<= ULTIMATE.start_main_~k~5 121), 75418#(<= ULTIMATE.start_main_~k~5 120), 75421#(<= ULTIMATE.start_main_~k~5 123), 75420#(<= ULTIMATE.start_main_~k~5 122), 75423#(<= ULTIMATE.start_main_~k~5 125), 75422#(<= ULTIMATE.start_main_~k~5 124), 75424#(<= ULTIMATE.start_main_~k~5 126)] [2018-07-23 13:46:08,493 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 13:46:08,493 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:46:08,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:46:08,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:46:08,496 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 129 states. [2018-07-23 13:46:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:08,891 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:46:08,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:46:08,892 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 256 [2018-07-23 13:46:08,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:08,892 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:46:08,892 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:46:08,894 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:46:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:46:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:46:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:46:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:46:08,898 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 256 [2018-07-23 13:46:08,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:08,899 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:46:08,899 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:46:08,899 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:46:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:46:08,900 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:08,900 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1] [2018-07-23 13:46:08,900 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:08,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1464352627, now seen corresponding path program 127 times [2018-07-23 13:46:08,901 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:09,662 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 13:46:09,662 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:09,662 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:46:09,662 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:09,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,663 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= ULTIMATE.start_main_~k~5 78), 76544#(<= ULTIMATE.start_main_~k~5 77), 76547#(<= ULTIMATE.start_main_~k~5 80), 76546#(<= ULTIMATE.start_main_~k~5 79), 76549#(<= ULTIMATE.start_main_~k~5 82), 76548#(<= ULTIMATE.start_main_~k~5 81), 76551#(<= ULTIMATE.start_main_~k~5 84), 76550#(<= ULTIMATE.start_main_~k~5 83), 76553#(<= ULTIMATE.start_main_~k~5 86), 76552#(<= ULTIMATE.start_main_~k~5 85), 76555#(<= ULTIMATE.start_main_~k~5 88), 76554#(<= ULTIMATE.start_main_~k~5 87), 76557#(<= ULTIMATE.start_main_~k~5 90), 76556#(<= ULTIMATE.start_main_~k~5 89), 76559#(<= ULTIMATE.start_main_~k~5 92), 76558#(<= ULTIMATE.start_main_~k~5 91), 76561#(<= ULTIMATE.start_main_~k~5 94), 76560#(<= ULTIMATE.start_main_~k~5 93), 76563#(<= ULTIMATE.start_main_~k~5 96), 76562#(<= ULTIMATE.start_main_~k~5 95), 76565#(<= ULTIMATE.start_main_~k~5 98), 76564#(<= ULTIMATE.start_main_~k~5 97), 76567#(<= ULTIMATE.start_main_~k~5 100), 76566#(<= ULTIMATE.start_main_~k~5 99), 76569#(<= ULTIMATE.start_main_~k~5 102), 76568#(<= ULTIMATE.start_main_~k~5 101), 76571#(<= ULTIMATE.start_main_~k~5 104), 76570#(<= ULTIMATE.start_main_~k~5 103), 76573#(<= ULTIMATE.start_main_~k~5 106), 76572#(<= ULTIMATE.start_main_~k~5 105), 76575#(<= ULTIMATE.start_main_~k~5 108), 76574#(<= ULTIMATE.start_main_~k~5 107), 76577#(<= ULTIMATE.start_main_~k~5 110), 76576#(<= ULTIMATE.start_main_~k~5 109), 76579#(<= ULTIMATE.start_main_~k~5 112), 76578#(<= ULTIMATE.start_main_~k~5 111), 76581#(<= ULTIMATE.start_main_~k~5 114), 76580#(<= ULTIMATE.start_main_~k~5 113), 76583#(<= ULTIMATE.start_main_~k~5 116), 76582#(<= ULTIMATE.start_main_~k~5 115), 76585#(<= ULTIMATE.start_main_~k~5 118), 76584#(<= ULTIMATE.start_main_~k~5 117), 76587#(<= ULTIMATE.start_main_~k~5 120), 76586#(<= ULTIMATE.start_main_~k~5 119), 76589#(<= ULTIMATE.start_main_~k~5 122), 76588#(<= ULTIMATE.start_main_~k~5 121), 76591#(<= ULTIMATE.start_main_~k~5 124), 76590#(<= ULTIMATE.start_main_~k~5 123), 76593#(<= ULTIMATE.start_main_~k~5 126), 76592#(<= ULTIMATE.start_main_~k~5 125), 76594#(<= ULTIMATE.start_main_~k~5 127), 76465#true, 76467#(<= ULTIMATE.start_main_~k~5 0), 76466#false, 76469#(<= ULTIMATE.start_main_~k~5 2), 76468#(<= ULTIMATE.start_main_~k~5 1), 76471#(<= ULTIMATE.start_main_~k~5 4), 76470#(<= ULTIMATE.start_main_~k~5 3), 76473#(<= ULTIMATE.start_main_~k~5 6), 76472#(<= ULTIMATE.start_main_~k~5 5), 76475#(<= ULTIMATE.start_main_~k~5 8), 76474#(<= ULTIMATE.start_main_~k~5 7), 76477#(<= ULTIMATE.start_main_~k~5 10), 76476#(<= ULTIMATE.start_main_~k~5 9), 76479#(<= ULTIMATE.start_main_~k~5 12), 76478#(<= ULTIMATE.start_main_~k~5 11), 76481#(<= ULTIMATE.start_main_~k~5 14), 76480#(<= ULTIMATE.start_main_~k~5 13), 76483#(<= ULTIMATE.start_main_~k~5 16), 76482#(<= ULTIMATE.start_main_~k~5 15), 76485#(<= ULTIMATE.start_main_~k~5 18), 76484#(<= ULTIMATE.start_main_~k~5 17), 76487#(<= ULTIMATE.start_main_~k~5 20), 76486#(<= ULTIMATE.start_main_~k~5 19), 76489#(<= ULTIMATE.start_main_~k~5 22), 76488#(<= ULTIMATE.start_main_~k~5 21), 76491#(<= ULTIMATE.start_main_~k~5 24), 76490#(<= ULTIMATE.start_main_~k~5 23), 76493#(<= ULTIMATE.start_main_~k~5 26), 76492#(<= ULTIMATE.start_main_~k~5 25), 76495#(<= ULTIMATE.start_main_~k~5 28), 76494#(<= ULTIMATE.start_main_~k~5 27), 76497#(<= ULTIMATE.start_main_~k~5 30), 76496#(<= ULTIMATE.start_main_~k~5 29), 76499#(<= ULTIMATE.start_main_~k~5 32), 76498#(<= ULTIMATE.start_main_~k~5 31), 76501#(<= ULTIMATE.start_main_~k~5 34), 76500#(<= ULTIMATE.start_main_~k~5 33), 76503#(<= ULTIMATE.start_main_~k~5 36), 76502#(<= ULTIMATE.start_main_~k~5 35), 76505#(<= ULTIMATE.start_main_~k~5 38), 76504#(<= ULTIMATE.start_main_~k~5 37), 76507#(<= ULTIMATE.start_main_~k~5 40), 76506#(<= ULTIMATE.start_main_~k~5 39), 76509#(<= ULTIMATE.start_main_~k~5 42), 76508#(<= ULTIMATE.start_main_~k~5 41), 76511#(<= ULTIMATE.start_main_~k~5 44), 76510#(<= ULTIMATE.start_main_~k~5 43), 76513#(<= ULTIMATE.start_main_~k~5 46), 76512#(<= ULTIMATE.start_main_~k~5 45), 76515#(<= ULTIMATE.start_main_~k~5 48), 76514#(<= ULTIMATE.start_main_~k~5 47), 76517#(<= ULTIMATE.start_main_~k~5 50), 76516#(<= ULTIMATE.start_main_~k~5 49), 76519#(<= ULTIMATE.start_main_~k~5 52), 76518#(<= ULTIMATE.start_main_~k~5 51), 76521#(<= ULTIMATE.start_main_~k~5 54), 76520#(<= ULTIMATE.start_main_~k~5 53), 76523#(<= ULTIMATE.start_main_~k~5 56), 76522#(<= ULTIMATE.start_main_~k~5 55), 76525#(<= ULTIMATE.start_main_~k~5 58), 76524#(<= ULTIMATE.start_main_~k~5 57), 76527#(<= ULTIMATE.start_main_~k~5 60), 76526#(<= ULTIMATE.start_main_~k~5 59), 76529#(<= ULTIMATE.start_main_~k~5 62), 76528#(<= ULTIMATE.start_main_~k~5 61), 76531#(<= ULTIMATE.start_main_~k~5 64), 76530#(<= ULTIMATE.start_main_~k~5 63), 76533#(<= ULTIMATE.start_main_~k~5 66), 76532#(<= ULTIMATE.start_main_~k~5 65), 76535#(<= ULTIMATE.start_main_~k~5 68), 76534#(<= ULTIMATE.start_main_~k~5 67), 76537#(<= ULTIMATE.start_main_~k~5 70), 76536#(<= ULTIMATE.start_main_~k~5 69), 76539#(<= ULTIMATE.start_main_~k~5 72), 76538#(<= ULTIMATE.start_main_~k~5 71), 76541#(<= ULTIMATE.start_main_~k~5 74), 76540#(<= ULTIMATE.start_main_~k~5 73), 76543#(<= ULTIMATE.start_main_~k~5 76), 76542#(<= ULTIMATE.start_main_~k~5 75)] [2018-07-23 13:46:09,664 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 13:46:09,665 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:46:09,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:46:09,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:46:09,668 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 130 states. [2018-07-23 13:46:09,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:09,800 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:46:09,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:46:09,800 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 258 [2018-07-23 13:46:09,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:09,801 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:46:09,801 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:46:09,803 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:46:09,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:46:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:46:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:46:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:46:09,807 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 258 [2018-07-23 13:46:09,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:09,808 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:46:09,808 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:46:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:46:09,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:46:09,809 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:09,809 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1] [2018-07-23 13:46:09,809 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:09,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1506450631, now seen corresponding path program 128 times [2018-07-23 13:46:09,810 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:10,572 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 13:46:10,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:10,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:46:10,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,573 INFO L185 omatonBuilderFactory]: Interpolants [77643#true, 77645#(<= ULTIMATE.start_main_~k~5 0), 77644#false, 77647#(<= ULTIMATE.start_main_~k~5 2), 77646#(<= ULTIMATE.start_main_~k~5 1), 77649#(<= ULTIMATE.start_main_~k~5 4), 77648#(<= ULTIMATE.start_main_~k~5 3), 77651#(<= ULTIMATE.start_main_~k~5 6), 77650#(<= ULTIMATE.start_main_~k~5 5), 77653#(<= ULTIMATE.start_main_~k~5 8), 77652#(<= ULTIMATE.start_main_~k~5 7), 77655#(<= ULTIMATE.start_main_~k~5 10), 77654#(<= ULTIMATE.start_main_~k~5 9), 77657#(<= ULTIMATE.start_main_~k~5 12), 77656#(<= ULTIMATE.start_main_~k~5 11), 77659#(<= ULTIMATE.start_main_~k~5 14), 77658#(<= ULTIMATE.start_main_~k~5 13), 77661#(<= ULTIMATE.start_main_~k~5 16), 77660#(<= ULTIMATE.start_main_~k~5 15), 77663#(<= ULTIMATE.start_main_~k~5 18), 77662#(<= ULTIMATE.start_main_~k~5 17), 77665#(<= ULTIMATE.start_main_~k~5 20), 77664#(<= ULTIMATE.start_main_~k~5 19), 77667#(<= ULTIMATE.start_main_~k~5 22), 77666#(<= ULTIMATE.start_main_~k~5 21), 77669#(<= ULTIMATE.start_main_~k~5 24), 77668#(<= ULTIMATE.start_main_~k~5 23), 77671#(<= ULTIMATE.start_main_~k~5 26), 77670#(<= ULTIMATE.start_main_~k~5 25), 77673#(<= ULTIMATE.start_main_~k~5 28), 77672#(<= ULTIMATE.start_main_~k~5 27), 77675#(<= ULTIMATE.start_main_~k~5 30), 77674#(<= ULTIMATE.start_main_~k~5 29), 77677#(<= ULTIMATE.start_main_~k~5 32), 77676#(<= ULTIMATE.start_main_~k~5 31), 77679#(<= ULTIMATE.start_main_~k~5 34), 77678#(<= ULTIMATE.start_main_~k~5 33), 77681#(<= ULTIMATE.start_main_~k~5 36), 77680#(<= ULTIMATE.start_main_~k~5 35), 77683#(<= ULTIMATE.start_main_~k~5 38), 77682#(<= ULTIMATE.start_main_~k~5 37), 77685#(<= ULTIMATE.start_main_~k~5 40), 77684#(<= ULTIMATE.start_main_~k~5 39), 77687#(<= ULTIMATE.start_main_~k~5 42), 77686#(<= ULTIMATE.start_main_~k~5 41), 77689#(<= ULTIMATE.start_main_~k~5 44), 77688#(<= ULTIMATE.start_main_~k~5 43), 77691#(<= ULTIMATE.start_main_~k~5 46), 77690#(<= ULTIMATE.start_main_~k~5 45), 77693#(<= ULTIMATE.start_main_~k~5 48), 77692#(<= ULTIMATE.start_main_~k~5 47), 77695#(<= ULTIMATE.start_main_~k~5 50), 77694#(<= ULTIMATE.start_main_~k~5 49), 77697#(<= ULTIMATE.start_main_~k~5 52), 77696#(<= ULTIMATE.start_main_~k~5 51), 77699#(<= ULTIMATE.start_main_~k~5 54), 77698#(<= ULTIMATE.start_main_~k~5 53), 77701#(<= ULTIMATE.start_main_~k~5 56), 77700#(<= ULTIMATE.start_main_~k~5 55), 77703#(<= ULTIMATE.start_main_~k~5 58), 77702#(<= ULTIMATE.start_main_~k~5 57), 77705#(<= ULTIMATE.start_main_~k~5 60), 77704#(<= ULTIMATE.start_main_~k~5 59), 77707#(<= ULTIMATE.start_main_~k~5 62), 77706#(<= ULTIMATE.start_main_~k~5 61), 77709#(<= ULTIMATE.start_main_~k~5 64), 77708#(<= ULTIMATE.start_main_~k~5 63), 77711#(<= ULTIMATE.start_main_~k~5 66), 77710#(<= ULTIMATE.start_main_~k~5 65), 77713#(<= ULTIMATE.start_main_~k~5 68), 77712#(<= ULTIMATE.start_main_~k~5 67), 77715#(<= ULTIMATE.start_main_~k~5 70), 77714#(<= ULTIMATE.start_main_~k~5 69), 77717#(<= ULTIMATE.start_main_~k~5 72), 77716#(<= ULTIMATE.start_main_~k~5 71), 77719#(<= ULTIMATE.start_main_~k~5 74), 77718#(<= ULTIMATE.start_main_~k~5 73), 77721#(<= ULTIMATE.start_main_~k~5 76), 77720#(<= ULTIMATE.start_main_~k~5 75), 77723#(<= ULTIMATE.start_main_~k~5 78), 77722#(<= ULTIMATE.start_main_~k~5 77), 77725#(<= ULTIMATE.start_main_~k~5 80), 77724#(<= ULTIMATE.start_main_~k~5 79), 77727#(<= ULTIMATE.start_main_~k~5 82), 77726#(<= ULTIMATE.start_main_~k~5 81), 77729#(<= ULTIMATE.start_main_~k~5 84), 77728#(<= ULTIMATE.start_main_~k~5 83), 77731#(<= ULTIMATE.start_main_~k~5 86), 77730#(<= ULTIMATE.start_main_~k~5 85), 77733#(<= ULTIMATE.start_main_~k~5 88), 77732#(<= ULTIMATE.start_main_~k~5 87), 77735#(<= ULTIMATE.start_main_~k~5 90), 77734#(<= ULTIMATE.start_main_~k~5 89), 77737#(<= ULTIMATE.start_main_~k~5 92), 77736#(<= ULTIMATE.start_main_~k~5 91), 77739#(<= ULTIMATE.start_main_~k~5 94), 77738#(<= ULTIMATE.start_main_~k~5 93), 77741#(<= ULTIMATE.start_main_~k~5 96), 77740#(<= ULTIMATE.start_main_~k~5 95), 77743#(<= ULTIMATE.start_main_~k~5 98), 77742#(<= ULTIMATE.start_main_~k~5 97), 77745#(<= ULTIMATE.start_main_~k~5 100), 77744#(<= ULTIMATE.start_main_~k~5 99), 77747#(<= ULTIMATE.start_main_~k~5 102), 77746#(<= ULTIMATE.start_main_~k~5 101), 77749#(<= ULTIMATE.start_main_~k~5 104), 77748#(<= ULTIMATE.start_main_~k~5 103), 77751#(<= ULTIMATE.start_main_~k~5 106), 77750#(<= ULTIMATE.start_main_~k~5 105), 77753#(<= ULTIMATE.start_main_~k~5 108), 77752#(<= ULTIMATE.start_main_~k~5 107), 77755#(<= ULTIMATE.start_main_~k~5 110), 77754#(<= ULTIMATE.start_main_~k~5 109), 77757#(<= ULTIMATE.start_main_~k~5 112), 77756#(<= ULTIMATE.start_main_~k~5 111), 77759#(<= ULTIMATE.start_main_~k~5 114), 77758#(<= ULTIMATE.start_main_~k~5 113), 77761#(<= ULTIMATE.start_main_~k~5 116), 77760#(<= ULTIMATE.start_main_~k~5 115), 77763#(<= ULTIMATE.start_main_~k~5 118), 77762#(<= ULTIMATE.start_main_~k~5 117), 77765#(<= ULTIMATE.start_main_~k~5 120), 77764#(<= ULTIMATE.start_main_~k~5 119), 77767#(<= ULTIMATE.start_main_~k~5 122), 77766#(<= ULTIMATE.start_main_~k~5 121), 77769#(<= ULTIMATE.start_main_~k~5 124), 77768#(<= ULTIMATE.start_main_~k~5 123), 77771#(<= ULTIMATE.start_main_~k~5 126), 77770#(<= ULTIMATE.start_main_~k~5 125), 77773#(<= ULTIMATE.start_main_~k~5 128), 77772#(<= ULTIMATE.start_main_~k~5 127)] [2018-07-23 13:46:10,574 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 13:46:10,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:46:10,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:46:10,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:46:10,578 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 131 states. [2018-07-23 13:46:10,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:10,923 INFO L93 Difference]: Finished difference Result 265 states and 265 transitions. [2018-07-23 13:46:10,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:46:10,923 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 260 [2018-07-23 13:46:10,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:10,924 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:46:10,924 INFO L226 Difference]: Without dead ends: 263 [2018-07-23 13:46:10,925 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:46:10,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-07-23 13:46:10,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-07-23 13:46:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:46:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-07-23 13:46:10,929 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 263 transitions. Word has length 260 [2018-07-23 13:46:10,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:10,930 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 263 transitions. [2018-07-23 13:46:10,930 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:46:10,930 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-07-23 13:46:10,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:46:10,930 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:10,931 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1] [2018-07-23 13:46:10,931 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:10,931 INFO L82 PathProgramCache]: Analyzing trace with hash 295129729, now seen corresponding path program 129 times [2018-07-23 13:46:10,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:11,682 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 13:46:11,683 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:11,683 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:46:11,683 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,683 INFO L185 omatonBuilderFactory]: Interpolants [78849#(<= ULTIMATE.start_main_~k~5 17), 78848#(<= ULTIMATE.start_main_~k~5 16), 78851#(<= ULTIMATE.start_main_~k~5 19), 78850#(<= ULTIMATE.start_main_~k~5 18), 78853#(<= ULTIMATE.start_main_~k~5 21), 78852#(<= ULTIMATE.start_main_~k~5 20), 78855#(<= ULTIMATE.start_main_~k~5 23), 78854#(<= ULTIMATE.start_main_~k~5 22), 78857#(<= ULTIMATE.start_main_~k~5 25), 78856#(<= ULTIMATE.start_main_~k~5 24), 78859#(<= ULTIMATE.start_main_~k~5 27), 78858#(<= ULTIMATE.start_main_~k~5 26), 78861#(<= ULTIMATE.start_main_~k~5 29), 78860#(<= ULTIMATE.start_main_~k~5 28), 78863#(<= ULTIMATE.start_main_~k~5 31), 78862#(<= ULTIMATE.start_main_~k~5 30), 78865#(<= ULTIMATE.start_main_~k~5 33), 78864#(<= ULTIMATE.start_main_~k~5 32), 78867#(<= ULTIMATE.start_main_~k~5 35), 78866#(<= ULTIMATE.start_main_~k~5 34), 78869#(<= ULTIMATE.start_main_~k~5 37), 78868#(<= ULTIMATE.start_main_~k~5 36), 78871#(<= ULTIMATE.start_main_~k~5 39), 78870#(<= ULTIMATE.start_main_~k~5 38), 78873#(<= ULTIMATE.start_main_~k~5 41), 78872#(<= ULTIMATE.start_main_~k~5 40), 78875#(<= ULTIMATE.start_main_~k~5 43), 78874#(<= ULTIMATE.start_main_~k~5 42), 78877#(<= ULTIMATE.start_main_~k~5 45), 78876#(<= ULTIMATE.start_main_~k~5 44), 78879#(<= ULTIMATE.start_main_~k~5 47), 78878#(<= ULTIMATE.start_main_~k~5 46), 78881#(<= ULTIMATE.start_main_~k~5 49), 78880#(<= ULTIMATE.start_main_~k~5 48), 78883#(<= ULTIMATE.start_main_~k~5 51), 78882#(<= ULTIMATE.start_main_~k~5 50), 78885#(<= ULTIMATE.start_main_~k~5 53), 78884#(<= ULTIMATE.start_main_~k~5 52), 78887#(<= ULTIMATE.start_main_~k~5 55), 78886#(<= ULTIMATE.start_main_~k~5 54), 78889#(<= ULTIMATE.start_main_~k~5 57), 78888#(<= ULTIMATE.start_main_~k~5 56), 78891#(<= ULTIMATE.start_main_~k~5 59), 78890#(<= ULTIMATE.start_main_~k~5 58), 78893#(<= ULTIMATE.start_main_~k~5 61), 78892#(<= ULTIMATE.start_main_~k~5 60), 78895#(<= ULTIMATE.start_main_~k~5 63), 78894#(<= ULTIMATE.start_main_~k~5 62), 78897#(<= ULTIMATE.start_main_~k~5 65), 78896#(<= ULTIMATE.start_main_~k~5 64), 78899#(<= ULTIMATE.start_main_~k~5 67), 78898#(<= ULTIMATE.start_main_~k~5 66), 78901#(<= ULTIMATE.start_main_~k~5 69), 78900#(<= ULTIMATE.start_main_~k~5 68), 78903#(<= ULTIMATE.start_main_~k~5 71), 78902#(<= ULTIMATE.start_main_~k~5 70), 78905#(<= ULTIMATE.start_main_~k~5 73), 78904#(<= ULTIMATE.start_main_~k~5 72), 78907#(<= ULTIMATE.start_main_~k~5 75), 78906#(<= ULTIMATE.start_main_~k~5 74), 78909#(<= ULTIMATE.start_main_~k~5 77), 78908#(<= ULTIMATE.start_main_~k~5 76), 78911#(<= ULTIMATE.start_main_~k~5 79), 78910#(<= ULTIMATE.start_main_~k~5 78), 78913#(<= ULTIMATE.start_main_~k~5 81), 78912#(<= ULTIMATE.start_main_~k~5 80), 78915#(<= ULTIMATE.start_main_~k~5 83), 78914#(<= ULTIMATE.start_main_~k~5 82), 78917#(<= ULTIMATE.start_main_~k~5 85), 78916#(<= ULTIMATE.start_main_~k~5 84), 78919#(<= ULTIMATE.start_main_~k~5 87), 78918#(<= ULTIMATE.start_main_~k~5 86), 78921#(<= ULTIMATE.start_main_~k~5 89), 78920#(<= ULTIMATE.start_main_~k~5 88), 78923#(<= ULTIMATE.start_main_~k~5 91), 78922#(<= ULTIMATE.start_main_~k~5 90), 78925#(<= ULTIMATE.start_main_~k~5 93), 78924#(<= ULTIMATE.start_main_~k~5 92), 78927#(<= ULTIMATE.start_main_~k~5 95), 78926#(<= ULTIMATE.start_main_~k~5 94), 78929#(<= ULTIMATE.start_main_~k~5 97), 78928#(<= ULTIMATE.start_main_~k~5 96), 78931#(<= ULTIMATE.start_main_~k~5 99), 78930#(<= ULTIMATE.start_main_~k~5 98), 78933#(<= ULTIMATE.start_main_~k~5 101), 78932#(<= ULTIMATE.start_main_~k~5 100), 78935#(<= ULTIMATE.start_main_~k~5 103), 78934#(<= ULTIMATE.start_main_~k~5 102), 78937#(<= ULTIMATE.start_main_~k~5 105), 78936#(<= ULTIMATE.start_main_~k~5 104), 78939#(<= ULTIMATE.start_main_~k~5 107), 78938#(<= ULTIMATE.start_main_~k~5 106), 78941#(<= ULTIMATE.start_main_~k~5 109), 78940#(<= ULTIMATE.start_main_~k~5 108), 78943#(<= ULTIMATE.start_main_~k~5 111), 78942#(<= ULTIMATE.start_main_~k~5 110), 78945#(<= ULTIMATE.start_main_~k~5 113), 78944#(<= ULTIMATE.start_main_~k~5 112), 78947#(<= ULTIMATE.start_main_~k~5 115), 78946#(<= ULTIMATE.start_main_~k~5 114), 78949#(<= ULTIMATE.start_main_~k~5 117), 78948#(<= ULTIMATE.start_main_~k~5 116), 78951#(<= ULTIMATE.start_main_~k~5 119), 78950#(<= ULTIMATE.start_main_~k~5 118), 78953#(<= ULTIMATE.start_main_~k~5 121), 78952#(<= ULTIMATE.start_main_~k~5 120), 78955#(<= ULTIMATE.start_main_~k~5 123), 78954#(<= ULTIMATE.start_main_~k~5 122), 78957#(<= ULTIMATE.start_main_~k~5 125), 78956#(<= ULTIMATE.start_main_~k~5 124), 78959#(<= ULTIMATE.start_main_~k~5 127), 78958#(<= ULTIMATE.start_main_~k~5 126), 78961#(<= ULTIMATE.start_main_~k~5 129), 78960#(<= ULTIMATE.start_main_~k~5 128), 78831#false, 78830#true, 78833#(<= ULTIMATE.start_main_~k~5 1), 78832#(<= ULTIMATE.start_main_~k~5 0), 78835#(<= ULTIMATE.start_main_~k~5 3), 78834#(<= ULTIMATE.start_main_~k~5 2), 78837#(<= ULTIMATE.start_main_~k~5 5), 78836#(<= ULTIMATE.start_main_~k~5 4), 78839#(<= ULTIMATE.start_main_~k~5 7), 78838#(<= ULTIMATE.start_main_~k~5 6), 78841#(<= ULTIMATE.start_main_~k~5 9), 78840#(<= ULTIMATE.start_main_~k~5 8), 78843#(<= ULTIMATE.start_main_~k~5 11), 78842#(<= ULTIMATE.start_main_~k~5 10), 78845#(<= ULTIMATE.start_main_~k~5 13), 78844#(<= ULTIMATE.start_main_~k~5 12), 78847#(<= ULTIMATE.start_main_~k~5 15), 78846#(<= ULTIMATE.start_main_~k~5 14)] [2018-07-23 13:46:11,684 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 13:46:11,685 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:46:11,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:46:11,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:46:11,687 INFO L87 Difference]: Start difference. First operand 263 states and 263 transitions. Second operand 132 states. [2018-07-23 13:46:12,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:12,068 INFO L93 Difference]: Finished difference Result 267 states and 267 transitions. [2018-07-23 13:46:12,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:46:12,069 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 262 [2018-07-23 13:46:12,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:12,069 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:46:12,069 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:46:12,071 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 13:46:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:46:12,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:46:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:46:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 265 transitions. [2018-07-23 13:46:12,076 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 265 transitions. Word has length 262 [2018-07-23 13:46:12,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:12,076 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 265 transitions. [2018-07-23 13:46:12,076 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:46:12,076 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 265 transitions. [2018-07-23 13:46:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:46:12,077 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:12,077 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1] [2018-07-23 13:46:12,077 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:12,078 INFO L82 PathProgramCache]: Analyzing trace with hash 151880123, now seen corresponding path program 130 times [2018-07-23 13:46:12,078 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:12,864 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 13:46:12,865 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:12,865 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:46:12,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,866 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= ULTIMATE.start_main_~k~5 101), 80128#(<= ULTIMATE.start_main_~k~5 100), 80131#(<= ULTIMATE.start_main_~k~5 103), 80130#(<= ULTIMATE.start_main_~k~5 102), 80133#(<= ULTIMATE.start_main_~k~5 105), 80132#(<= ULTIMATE.start_main_~k~5 104), 80135#(<= ULTIMATE.start_main_~k~5 107), 80134#(<= ULTIMATE.start_main_~k~5 106), 80137#(<= ULTIMATE.start_main_~k~5 109), 80136#(<= ULTIMATE.start_main_~k~5 108), 80139#(<= ULTIMATE.start_main_~k~5 111), 80138#(<= ULTIMATE.start_main_~k~5 110), 80141#(<= ULTIMATE.start_main_~k~5 113), 80140#(<= ULTIMATE.start_main_~k~5 112), 80143#(<= ULTIMATE.start_main_~k~5 115), 80142#(<= ULTIMATE.start_main_~k~5 114), 80145#(<= ULTIMATE.start_main_~k~5 117), 80144#(<= ULTIMATE.start_main_~k~5 116), 80147#(<= ULTIMATE.start_main_~k~5 119), 80146#(<= ULTIMATE.start_main_~k~5 118), 80149#(<= ULTIMATE.start_main_~k~5 121), 80148#(<= ULTIMATE.start_main_~k~5 120), 80151#(<= ULTIMATE.start_main_~k~5 123), 80150#(<= ULTIMATE.start_main_~k~5 122), 80153#(<= ULTIMATE.start_main_~k~5 125), 80152#(<= ULTIMATE.start_main_~k~5 124), 80155#(<= ULTIMATE.start_main_~k~5 127), 80154#(<= ULTIMATE.start_main_~k~5 126), 80157#(<= ULTIMATE.start_main_~k~5 129), 80156#(<= ULTIMATE.start_main_~k~5 128), 80158#(<= ULTIMATE.start_main_~k~5 130), 80027#false, 80026#true, 80029#(<= ULTIMATE.start_main_~k~5 1), 80028#(<= ULTIMATE.start_main_~k~5 0), 80031#(<= ULTIMATE.start_main_~k~5 3), 80030#(<= ULTIMATE.start_main_~k~5 2), 80033#(<= ULTIMATE.start_main_~k~5 5), 80032#(<= ULTIMATE.start_main_~k~5 4), 80035#(<= ULTIMATE.start_main_~k~5 7), 80034#(<= ULTIMATE.start_main_~k~5 6), 80037#(<= ULTIMATE.start_main_~k~5 9), 80036#(<= ULTIMATE.start_main_~k~5 8), 80039#(<= ULTIMATE.start_main_~k~5 11), 80038#(<= ULTIMATE.start_main_~k~5 10), 80041#(<= ULTIMATE.start_main_~k~5 13), 80040#(<= ULTIMATE.start_main_~k~5 12), 80043#(<= ULTIMATE.start_main_~k~5 15), 80042#(<= ULTIMATE.start_main_~k~5 14), 80045#(<= ULTIMATE.start_main_~k~5 17), 80044#(<= ULTIMATE.start_main_~k~5 16), 80047#(<= ULTIMATE.start_main_~k~5 19), 80046#(<= ULTIMATE.start_main_~k~5 18), 80049#(<= ULTIMATE.start_main_~k~5 21), 80048#(<= ULTIMATE.start_main_~k~5 20), 80051#(<= ULTIMATE.start_main_~k~5 23), 80050#(<= ULTIMATE.start_main_~k~5 22), 80053#(<= ULTIMATE.start_main_~k~5 25), 80052#(<= ULTIMATE.start_main_~k~5 24), 80055#(<= ULTIMATE.start_main_~k~5 27), 80054#(<= ULTIMATE.start_main_~k~5 26), 80057#(<= ULTIMATE.start_main_~k~5 29), 80056#(<= ULTIMATE.start_main_~k~5 28), 80059#(<= ULTIMATE.start_main_~k~5 31), 80058#(<= ULTIMATE.start_main_~k~5 30), 80061#(<= ULTIMATE.start_main_~k~5 33), 80060#(<= ULTIMATE.start_main_~k~5 32), 80063#(<= ULTIMATE.start_main_~k~5 35), 80062#(<= ULTIMATE.start_main_~k~5 34), 80065#(<= ULTIMATE.start_main_~k~5 37), 80064#(<= ULTIMATE.start_main_~k~5 36), 80067#(<= ULTIMATE.start_main_~k~5 39), 80066#(<= ULTIMATE.start_main_~k~5 38), 80069#(<= ULTIMATE.start_main_~k~5 41), 80068#(<= ULTIMATE.start_main_~k~5 40), 80071#(<= ULTIMATE.start_main_~k~5 43), 80070#(<= ULTIMATE.start_main_~k~5 42), 80073#(<= ULTIMATE.start_main_~k~5 45), 80072#(<= ULTIMATE.start_main_~k~5 44), 80075#(<= ULTIMATE.start_main_~k~5 47), 80074#(<= ULTIMATE.start_main_~k~5 46), 80077#(<= ULTIMATE.start_main_~k~5 49), 80076#(<= ULTIMATE.start_main_~k~5 48), 80079#(<= ULTIMATE.start_main_~k~5 51), 80078#(<= ULTIMATE.start_main_~k~5 50), 80081#(<= ULTIMATE.start_main_~k~5 53), 80080#(<= ULTIMATE.start_main_~k~5 52), 80083#(<= ULTIMATE.start_main_~k~5 55), 80082#(<= ULTIMATE.start_main_~k~5 54), 80085#(<= ULTIMATE.start_main_~k~5 57), 80084#(<= ULTIMATE.start_main_~k~5 56), 80087#(<= ULTIMATE.start_main_~k~5 59), 80086#(<= ULTIMATE.start_main_~k~5 58), 80089#(<= ULTIMATE.start_main_~k~5 61), 80088#(<= ULTIMATE.start_main_~k~5 60), 80091#(<= ULTIMATE.start_main_~k~5 63), 80090#(<= ULTIMATE.start_main_~k~5 62), 80093#(<= ULTIMATE.start_main_~k~5 65), 80092#(<= ULTIMATE.start_main_~k~5 64), 80095#(<= ULTIMATE.start_main_~k~5 67), 80094#(<= ULTIMATE.start_main_~k~5 66), 80097#(<= ULTIMATE.start_main_~k~5 69), 80096#(<= ULTIMATE.start_main_~k~5 68), 80099#(<= ULTIMATE.start_main_~k~5 71), 80098#(<= ULTIMATE.start_main_~k~5 70), 80101#(<= ULTIMATE.start_main_~k~5 73), 80100#(<= ULTIMATE.start_main_~k~5 72), 80103#(<= ULTIMATE.start_main_~k~5 75), 80102#(<= ULTIMATE.start_main_~k~5 74), 80105#(<= ULTIMATE.start_main_~k~5 77), 80104#(<= ULTIMATE.start_main_~k~5 76), 80107#(<= ULTIMATE.start_main_~k~5 79), 80106#(<= ULTIMATE.start_main_~k~5 78), 80109#(<= ULTIMATE.start_main_~k~5 81), 80108#(<= ULTIMATE.start_main_~k~5 80), 80111#(<= ULTIMATE.start_main_~k~5 83), 80110#(<= ULTIMATE.start_main_~k~5 82), 80113#(<= ULTIMATE.start_main_~k~5 85), 80112#(<= ULTIMATE.start_main_~k~5 84), 80115#(<= ULTIMATE.start_main_~k~5 87), 80114#(<= ULTIMATE.start_main_~k~5 86), 80117#(<= ULTIMATE.start_main_~k~5 89), 80116#(<= ULTIMATE.start_main_~k~5 88), 80119#(<= ULTIMATE.start_main_~k~5 91), 80118#(<= ULTIMATE.start_main_~k~5 90), 80121#(<= ULTIMATE.start_main_~k~5 93), 80120#(<= ULTIMATE.start_main_~k~5 92), 80123#(<= ULTIMATE.start_main_~k~5 95), 80122#(<= ULTIMATE.start_main_~k~5 94), 80125#(<= ULTIMATE.start_main_~k~5 97), 80124#(<= ULTIMATE.start_main_~k~5 96), 80127#(<= ULTIMATE.start_main_~k~5 99), 80126#(<= ULTIMATE.start_main_~k~5 98)] [2018-07-23 13:46:12,866 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 13:46:12,867 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:46:12,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:46:12,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:46:12,869 INFO L87 Difference]: Start difference. First operand 265 states and 265 transitions. Second operand 133 states. [2018-07-23 13:46:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:13,092 INFO L93 Difference]: Finished difference Result 269 states and 269 transitions. [2018-07-23 13:46:13,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:46:13,092 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 264 [2018-07-23 13:46:13,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:13,093 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:46:13,093 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:46:13,094 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 13:46:13,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:46:13,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:46:13,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:46:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 267 transitions. [2018-07-23 13:46:13,098 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 267 transitions. Word has length 264 [2018-07-23 13:46:13,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:13,099 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 267 transitions. [2018-07-23 13:46:13,099 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:46:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 267 transitions. [2018-07-23 13:46:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:46:13,099 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:13,100 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1, 1] [2018-07-23 13:46:13,100 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:13,100 INFO L82 PathProgramCache]: Analyzing trace with hash -72037771, now seen corresponding path program 131 times [2018-07-23 13:46:13,100 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:13,830 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 13:46:13,830 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:13,830 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:46:13,831 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,831 INFO L185 omatonBuilderFactory]: Interpolants [81231#true, 81233#(<= ULTIMATE.start_main_~k~5 0), 81232#false, 81235#(<= ULTIMATE.start_main_~k~5 2), 81234#(<= ULTIMATE.start_main_~k~5 1), 81237#(<= ULTIMATE.start_main_~k~5 4), 81236#(<= ULTIMATE.start_main_~k~5 3), 81239#(<= ULTIMATE.start_main_~k~5 6), 81238#(<= ULTIMATE.start_main_~k~5 5), 81241#(<= ULTIMATE.start_main_~k~5 8), 81240#(<= ULTIMATE.start_main_~k~5 7), 81243#(<= ULTIMATE.start_main_~k~5 10), 81242#(<= ULTIMATE.start_main_~k~5 9), 81245#(<= ULTIMATE.start_main_~k~5 12), 81244#(<= ULTIMATE.start_main_~k~5 11), 81247#(<= ULTIMATE.start_main_~k~5 14), 81246#(<= ULTIMATE.start_main_~k~5 13), 81249#(<= ULTIMATE.start_main_~k~5 16), 81248#(<= ULTIMATE.start_main_~k~5 15), 81251#(<= ULTIMATE.start_main_~k~5 18), 81250#(<= ULTIMATE.start_main_~k~5 17), 81253#(<= ULTIMATE.start_main_~k~5 20), 81252#(<= ULTIMATE.start_main_~k~5 19), 81255#(<= ULTIMATE.start_main_~k~5 22), 81254#(<= ULTIMATE.start_main_~k~5 21), 81257#(<= ULTIMATE.start_main_~k~5 24), 81256#(<= ULTIMATE.start_main_~k~5 23), 81259#(<= ULTIMATE.start_main_~k~5 26), 81258#(<= ULTIMATE.start_main_~k~5 25), 81261#(<= ULTIMATE.start_main_~k~5 28), 81260#(<= ULTIMATE.start_main_~k~5 27), 81263#(<= ULTIMATE.start_main_~k~5 30), 81262#(<= ULTIMATE.start_main_~k~5 29), 81265#(<= ULTIMATE.start_main_~k~5 32), 81264#(<= ULTIMATE.start_main_~k~5 31), 81267#(<= ULTIMATE.start_main_~k~5 34), 81266#(<= ULTIMATE.start_main_~k~5 33), 81269#(<= ULTIMATE.start_main_~k~5 36), 81268#(<= ULTIMATE.start_main_~k~5 35), 81271#(<= ULTIMATE.start_main_~k~5 38), 81270#(<= ULTIMATE.start_main_~k~5 37), 81273#(<= ULTIMATE.start_main_~k~5 40), 81272#(<= ULTIMATE.start_main_~k~5 39), 81275#(<= ULTIMATE.start_main_~k~5 42), 81274#(<= ULTIMATE.start_main_~k~5 41), 81277#(<= ULTIMATE.start_main_~k~5 44), 81276#(<= ULTIMATE.start_main_~k~5 43), 81279#(<= ULTIMATE.start_main_~k~5 46), 81278#(<= ULTIMATE.start_main_~k~5 45), 81281#(<= ULTIMATE.start_main_~k~5 48), 81280#(<= ULTIMATE.start_main_~k~5 47), 81283#(<= ULTIMATE.start_main_~k~5 50), 81282#(<= ULTIMATE.start_main_~k~5 49), 81285#(<= ULTIMATE.start_main_~k~5 52), 81284#(<= ULTIMATE.start_main_~k~5 51), 81287#(<= ULTIMATE.start_main_~k~5 54), 81286#(<= ULTIMATE.start_main_~k~5 53), 81289#(<= ULTIMATE.start_main_~k~5 56), 81288#(<= ULTIMATE.start_main_~k~5 55), 81291#(<= ULTIMATE.start_main_~k~5 58), 81290#(<= ULTIMATE.start_main_~k~5 57), 81293#(<= ULTIMATE.start_main_~k~5 60), 81292#(<= ULTIMATE.start_main_~k~5 59), 81295#(<= ULTIMATE.start_main_~k~5 62), 81294#(<= ULTIMATE.start_main_~k~5 61), 81297#(<= ULTIMATE.start_main_~k~5 64), 81296#(<= ULTIMATE.start_main_~k~5 63), 81299#(<= ULTIMATE.start_main_~k~5 66), 81298#(<= ULTIMATE.start_main_~k~5 65), 81301#(<= ULTIMATE.start_main_~k~5 68), 81300#(<= ULTIMATE.start_main_~k~5 67), 81303#(<= ULTIMATE.start_main_~k~5 70), 81302#(<= ULTIMATE.start_main_~k~5 69), 81305#(<= ULTIMATE.start_main_~k~5 72), 81304#(<= ULTIMATE.start_main_~k~5 71), 81307#(<= ULTIMATE.start_main_~k~5 74), 81306#(<= ULTIMATE.start_main_~k~5 73), 81309#(<= ULTIMATE.start_main_~k~5 76), 81308#(<= ULTIMATE.start_main_~k~5 75), 81311#(<= ULTIMATE.start_main_~k~5 78), 81310#(<= ULTIMATE.start_main_~k~5 77), 81313#(<= ULTIMATE.start_main_~k~5 80), 81312#(<= ULTIMATE.start_main_~k~5 79), 81315#(<= ULTIMATE.start_main_~k~5 82), 81314#(<= ULTIMATE.start_main_~k~5 81), 81317#(<= ULTIMATE.start_main_~k~5 84), 81316#(<= ULTIMATE.start_main_~k~5 83), 81319#(<= ULTIMATE.start_main_~k~5 86), 81318#(<= ULTIMATE.start_main_~k~5 85), 81321#(<= ULTIMATE.start_main_~k~5 88), 81320#(<= ULTIMATE.start_main_~k~5 87), 81323#(<= ULTIMATE.start_main_~k~5 90), 81322#(<= ULTIMATE.start_main_~k~5 89), 81325#(<= ULTIMATE.start_main_~k~5 92), 81324#(<= ULTIMATE.start_main_~k~5 91), 81327#(<= ULTIMATE.start_main_~k~5 94), 81326#(<= ULTIMATE.start_main_~k~5 93), 81329#(<= ULTIMATE.start_main_~k~5 96), 81328#(<= ULTIMATE.start_main_~k~5 95), 81331#(<= ULTIMATE.start_main_~k~5 98), 81330#(<= ULTIMATE.start_main_~k~5 97), 81333#(<= ULTIMATE.start_main_~k~5 100), 81332#(<= ULTIMATE.start_main_~k~5 99), 81335#(<= ULTIMATE.start_main_~k~5 102), 81334#(<= ULTIMATE.start_main_~k~5 101), 81337#(<= ULTIMATE.start_main_~k~5 104), 81336#(<= ULTIMATE.start_main_~k~5 103), 81339#(<= ULTIMATE.start_main_~k~5 106), 81338#(<= ULTIMATE.start_main_~k~5 105), 81341#(<= ULTIMATE.start_main_~k~5 108), 81340#(<= ULTIMATE.start_main_~k~5 107), 81343#(<= ULTIMATE.start_main_~k~5 110), 81342#(<= ULTIMATE.start_main_~k~5 109), 81345#(<= ULTIMATE.start_main_~k~5 112), 81344#(<= ULTIMATE.start_main_~k~5 111), 81347#(<= ULTIMATE.start_main_~k~5 114), 81346#(<= ULTIMATE.start_main_~k~5 113), 81349#(<= ULTIMATE.start_main_~k~5 116), 81348#(<= ULTIMATE.start_main_~k~5 115), 81351#(<= ULTIMATE.start_main_~k~5 118), 81350#(<= ULTIMATE.start_main_~k~5 117), 81353#(<= ULTIMATE.start_main_~k~5 120), 81352#(<= ULTIMATE.start_main_~k~5 119), 81355#(<= ULTIMATE.start_main_~k~5 122), 81354#(<= ULTIMATE.start_main_~k~5 121), 81357#(<= ULTIMATE.start_main_~k~5 124), 81356#(<= ULTIMATE.start_main_~k~5 123), 81359#(<= ULTIMATE.start_main_~k~5 126), 81358#(<= ULTIMATE.start_main_~k~5 125), 81361#(<= ULTIMATE.start_main_~k~5 128), 81360#(<= ULTIMATE.start_main_~k~5 127), 81363#(<= ULTIMATE.start_main_~k~5 130), 81362#(<= ULTIMATE.start_main_~k~5 129), 81364#(<= ULTIMATE.start_main_~k~5 131)] [2018-07-23 13:46:13,832 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 13:46:13,832 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:46:13,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:46:13,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:46:13,835 INFO L87 Difference]: Start difference. First operand 267 states and 267 transitions. Second operand 134 states. [2018-07-23 13:46:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:14,235 INFO L93 Difference]: Finished difference Result 271 states and 271 transitions. [2018-07-23 13:46:14,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:46:14,235 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 266 [2018-07-23 13:46:14,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:14,236 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:46:14,236 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:46:14,238 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 13:46:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:46:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:46:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:46:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 269 transitions. [2018-07-23 13:46:14,241 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 269 transitions. Word has length 266 [2018-07-23 13:46:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:14,241 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 269 transitions. [2018-07-23 13:46:14,241 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:46:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 269 transitions. [2018-07-23 13:46:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:46:14,242 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:14,242 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1, 1] [2018-07-23 13:46:14,242 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash -508769105, now seen corresponding path program 132 times [2018-07-23 13:46:14,243 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:15,073 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 13:46:15,073 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:15,073 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:46:15,073 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,074 INFO L185 omatonBuilderFactory]: Interpolants [82445#true, 82447#(<= ULTIMATE.start_main_~k~5 0), 82446#false, 82449#(<= ULTIMATE.start_main_~k~5 2), 82448#(<= ULTIMATE.start_main_~k~5 1), 82451#(<= ULTIMATE.start_main_~k~5 4), 82450#(<= ULTIMATE.start_main_~k~5 3), 82453#(<= ULTIMATE.start_main_~k~5 6), 82452#(<= ULTIMATE.start_main_~k~5 5), 82455#(<= ULTIMATE.start_main_~k~5 8), 82454#(<= ULTIMATE.start_main_~k~5 7), 82457#(<= ULTIMATE.start_main_~k~5 10), 82456#(<= ULTIMATE.start_main_~k~5 9), 82459#(<= ULTIMATE.start_main_~k~5 12), 82458#(<= ULTIMATE.start_main_~k~5 11), 82461#(<= ULTIMATE.start_main_~k~5 14), 82460#(<= ULTIMATE.start_main_~k~5 13), 82463#(<= ULTIMATE.start_main_~k~5 16), 82462#(<= ULTIMATE.start_main_~k~5 15), 82465#(<= ULTIMATE.start_main_~k~5 18), 82464#(<= ULTIMATE.start_main_~k~5 17), 82467#(<= ULTIMATE.start_main_~k~5 20), 82466#(<= ULTIMATE.start_main_~k~5 19), 82469#(<= ULTIMATE.start_main_~k~5 22), 82468#(<= ULTIMATE.start_main_~k~5 21), 82471#(<= ULTIMATE.start_main_~k~5 24), 82470#(<= ULTIMATE.start_main_~k~5 23), 82473#(<= ULTIMATE.start_main_~k~5 26), 82472#(<= ULTIMATE.start_main_~k~5 25), 82475#(<= ULTIMATE.start_main_~k~5 28), 82474#(<= ULTIMATE.start_main_~k~5 27), 82477#(<= ULTIMATE.start_main_~k~5 30), 82476#(<= ULTIMATE.start_main_~k~5 29), 82479#(<= ULTIMATE.start_main_~k~5 32), 82478#(<= ULTIMATE.start_main_~k~5 31), 82481#(<= ULTIMATE.start_main_~k~5 34), 82480#(<= ULTIMATE.start_main_~k~5 33), 82483#(<= ULTIMATE.start_main_~k~5 36), 82482#(<= ULTIMATE.start_main_~k~5 35), 82485#(<= ULTIMATE.start_main_~k~5 38), 82484#(<= ULTIMATE.start_main_~k~5 37), 82487#(<= ULTIMATE.start_main_~k~5 40), 82486#(<= ULTIMATE.start_main_~k~5 39), 82489#(<= ULTIMATE.start_main_~k~5 42), 82488#(<= ULTIMATE.start_main_~k~5 41), 82491#(<= ULTIMATE.start_main_~k~5 44), 82490#(<= ULTIMATE.start_main_~k~5 43), 82493#(<= ULTIMATE.start_main_~k~5 46), 82492#(<= ULTIMATE.start_main_~k~5 45), 82495#(<= ULTIMATE.start_main_~k~5 48), 82494#(<= ULTIMATE.start_main_~k~5 47), 82497#(<= ULTIMATE.start_main_~k~5 50), 82496#(<= ULTIMATE.start_main_~k~5 49), 82499#(<= ULTIMATE.start_main_~k~5 52), 82498#(<= ULTIMATE.start_main_~k~5 51), 82501#(<= ULTIMATE.start_main_~k~5 54), 82500#(<= ULTIMATE.start_main_~k~5 53), 82503#(<= ULTIMATE.start_main_~k~5 56), 82502#(<= ULTIMATE.start_main_~k~5 55), 82505#(<= ULTIMATE.start_main_~k~5 58), 82504#(<= ULTIMATE.start_main_~k~5 57), 82507#(<= ULTIMATE.start_main_~k~5 60), 82506#(<= ULTIMATE.start_main_~k~5 59), 82509#(<= ULTIMATE.start_main_~k~5 62), 82508#(<= ULTIMATE.start_main_~k~5 61), 82511#(<= ULTIMATE.start_main_~k~5 64), 82510#(<= ULTIMATE.start_main_~k~5 63), 82513#(<= ULTIMATE.start_main_~k~5 66), 82512#(<= ULTIMATE.start_main_~k~5 65), 82515#(<= ULTIMATE.start_main_~k~5 68), 82514#(<= ULTIMATE.start_main_~k~5 67), 82517#(<= ULTIMATE.start_main_~k~5 70), 82516#(<= ULTIMATE.start_main_~k~5 69), 82519#(<= ULTIMATE.start_main_~k~5 72), 82518#(<= ULTIMATE.start_main_~k~5 71), 82521#(<= ULTIMATE.start_main_~k~5 74), 82520#(<= ULTIMATE.start_main_~k~5 73), 82523#(<= ULTIMATE.start_main_~k~5 76), 82522#(<= ULTIMATE.start_main_~k~5 75), 82525#(<= ULTIMATE.start_main_~k~5 78), 82524#(<= ULTIMATE.start_main_~k~5 77), 82527#(<= ULTIMATE.start_main_~k~5 80), 82526#(<= ULTIMATE.start_main_~k~5 79), 82529#(<= ULTIMATE.start_main_~k~5 82), 82528#(<= ULTIMATE.start_main_~k~5 81), 82531#(<= ULTIMATE.start_main_~k~5 84), 82530#(<= ULTIMATE.start_main_~k~5 83), 82533#(<= ULTIMATE.start_main_~k~5 86), 82532#(<= ULTIMATE.start_main_~k~5 85), 82535#(<= ULTIMATE.start_main_~k~5 88), 82534#(<= ULTIMATE.start_main_~k~5 87), 82537#(<= ULTIMATE.start_main_~k~5 90), 82536#(<= ULTIMATE.start_main_~k~5 89), 82539#(<= ULTIMATE.start_main_~k~5 92), 82538#(<= ULTIMATE.start_main_~k~5 91), 82541#(<= ULTIMATE.start_main_~k~5 94), 82540#(<= ULTIMATE.start_main_~k~5 93), 82543#(<= ULTIMATE.start_main_~k~5 96), 82542#(<= ULTIMATE.start_main_~k~5 95), 82545#(<= ULTIMATE.start_main_~k~5 98), 82544#(<= ULTIMATE.start_main_~k~5 97), 82547#(<= ULTIMATE.start_main_~k~5 100), 82546#(<= ULTIMATE.start_main_~k~5 99), 82549#(<= ULTIMATE.start_main_~k~5 102), 82548#(<= ULTIMATE.start_main_~k~5 101), 82551#(<= ULTIMATE.start_main_~k~5 104), 82550#(<= ULTIMATE.start_main_~k~5 103), 82553#(<= ULTIMATE.start_main_~k~5 106), 82552#(<= ULTIMATE.start_main_~k~5 105), 82555#(<= ULTIMATE.start_main_~k~5 108), 82554#(<= ULTIMATE.start_main_~k~5 107), 82557#(<= ULTIMATE.start_main_~k~5 110), 82556#(<= ULTIMATE.start_main_~k~5 109), 82559#(<= ULTIMATE.start_main_~k~5 112), 82558#(<= ULTIMATE.start_main_~k~5 111), 82561#(<= ULTIMATE.start_main_~k~5 114), 82560#(<= ULTIMATE.start_main_~k~5 113), 82563#(<= ULTIMATE.start_main_~k~5 116), 82562#(<= ULTIMATE.start_main_~k~5 115), 82565#(<= ULTIMATE.start_main_~k~5 118), 82564#(<= ULTIMATE.start_main_~k~5 117), 82567#(<= ULTIMATE.start_main_~k~5 120), 82566#(<= ULTIMATE.start_main_~k~5 119), 82569#(<= ULTIMATE.start_main_~k~5 122), 82568#(<= ULTIMATE.start_main_~k~5 121), 82571#(<= ULTIMATE.start_main_~k~5 124), 82570#(<= ULTIMATE.start_main_~k~5 123), 82573#(<= ULTIMATE.start_main_~k~5 126), 82572#(<= ULTIMATE.start_main_~k~5 125), 82575#(<= ULTIMATE.start_main_~k~5 128), 82574#(<= ULTIMATE.start_main_~k~5 127), 82577#(<= ULTIMATE.start_main_~k~5 130), 82576#(<= ULTIMATE.start_main_~k~5 129), 82579#(<= ULTIMATE.start_main_~k~5 132), 82578#(<= ULTIMATE.start_main_~k~5 131)] [2018-07-23 13:46:15,075 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 13:46:15,075 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:46:15,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:46:15,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:46:15,077 INFO L87 Difference]: Start difference. First operand 269 states and 269 transitions. Second operand 135 states. [2018-07-23 13:46:15,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:15,571 INFO L93 Difference]: Finished difference Result 273 states and 273 transitions. [2018-07-23 13:46:15,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:46:15,571 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 268 [2018-07-23 13:46:15,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:15,572 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:46:15,572 INFO L226 Difference]: Without dead ends: 271 [2018-07-23 13:46:15,574 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 13:46:15,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-07-23 13:46:15,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-07-23 13:46:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-07-23 13:46:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 271 transitions. [2018-07-23 13:46:15,579 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 271 transitions. Word has length 268 [2018-07-23 13:46:15,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:15,579 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 271 transitions. [2018-07-23 13:46:15,579 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:46:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 271 transitions. [2018-07-23 13:46:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 13:46:15,580 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:15,581 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1, 1] [2018-07-23 13:46:15,581 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:15,581 INFO L82 PathProgramCache]: Analyzing trace with hash 699213929, now seen corresponding path program 133 times [2018-07-23 13:46:15,581 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:16,390 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 13:46:16,391 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:16,391 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:46:16,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,392 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= ULTIMATE.start_main_~k~5 43), 83712#(<= ULTIMATE.start_main_~k~5 42), 83715#(<= ULTIMATE.start_main_~k~5 45), 83714#(<= ULTIMATE.start_main_~k~5 44), 83717#(<= ULTIMATE.start_main_~k~5 47), 83716#(<= ULTIMATE.start_main_~k~5 46), 83719#(<= ULTIMATE.start_main_~k~5 49), 83718#(<= ULTIMATE.start_main_~k~5 48), 83721#(<= ULTIMATE.start_main_~k~5 51), 83720#(<= ULTIMATE.start_main_~k~5 50), 83723#(<= ULTIMATE.start_main_~k~5 53), 83722#(<= ULTIMATE.start_main_~k~5 52), 83725#(<= ULTIMATE.start_main_~k~5 55), 83724#(<= ULTIMATE.start_main_~k~5 54), 83727#(<= ULTIMATE.start_main_~k~5 57), 83726#(<= ULTIMATE.start_main_~k~5 56), 83729#(<= ULTIMATE.start_main_~k~5 59), 83728#(<= ULTIMATE.start_main_~k~5 58), 83731#(<= ULTIMATE.start_main_~k~5 61), 83730#(<= ULTIMATE.start_main_~k~5 60), 83733#(<= ULTIMATE.start_main_~k~5 63), 83732#(<= ULTIMATE.start_main_~k~5 62), 83735#(<= ULTIMATE.start_main_~k~5 65), 83734#(<= ULTIMATE.start_main_~k~5 64), 83737#(<= ULTIMATE.start_main_~k~5 67), 83736#(<= ULTIMATE.start_main_~k~5 66), 83739#(<= ULTIMATE.start_main_~k~5 69), 83738#(<= ULTIMATE.start_main_~k~5 68), 83741#(<= ULTIMATE.start_main_~k~5 71), 83740#(<= ULTIMATE.start_main_~k~5 70), 83743#(<= ULTIMATE.start_main_~k~5 73), 83742#(<= ULTIMATE.start_main_~k~5 72), 83745#(<= ULTIMATE.start_main_~k~5 75), 83744#(<= ULTIMATE.start_main_~k~5 74), 83747#(<= ULTIMATE.start_main_~k~5 77), 83746#(<= ULTIMATE.start_main_~k~5 76), 83749#(<= ULTIMATE.start_main_~k~5 79), 83748#(<= ULTIMATE.start_main_~k~5 78), 83751#(<= ULTIMATE.start_main_~k~5 81), 83750#(<= ULTIMATE.start_main_~k~5 80), 83753#(<= ULTIMATE.start_main_~k~5 83), 83752#(<= ULTIMATE.start_main_~k~5 82), 83755#(<= ULTIMATE.start_main_~k~5 85), 83754#(<= ULTIMATE.start_main_~k~5 84), 83757#(<= ULTIMATE.start_main_~k~5 87), 83756#(<= ULTIMATE.start_main_~k~5 86), 83759#(<= ULTIMATE.start_main_~k~5 89), 83758#(<= ULTIMATE.start_main_~k~5 88), 83761#(<= ULTIMATE.start_main_~k~5 91), 83760#(<= ULTIMATE.start_main_~k~5 90), 83763#(<= ULTIMATE.start_main_~k~5 93), 83762#(<= ULTIMATE.start_main_~k~5 92), 83765#(<= ULTIMATE.start_main_~k~5 95), 83764#(<= ULTIMATE.start_main_~k~5 94), 83767#(<= ULTIMATE.start_main_~k~5 97), 83766#(<= ULTIMATE.start_main_~k~5 96), 83769#(<= ULTIMATE.start_main_~k~5 99), 83768#(<= ULTIMATE.start_main_~k~5 98), 83771#(<= ULTIMATE.start_main_~k~5 101), 83770#(<= ULTIMATE.start_main_~k~5 100), 83773#(<= ULTIMATE.start_main_~k~5 103), 83772#(<= ULTIMATE.start_main_~k~5 102), 83775#(<= ULTIMATE.start_main_~k~5 105), 83774#(<= ULTIMATE.start_main_~k~5 104), 83777#(<= ULTIMATE.start_main_~k~5 107), 83776#(<= ULTIMATE.start_main_~k~5 106), 83779#(<= ULTIMATE.start_main_~k~5 109), 83778#(<= ULTIMATE.start_main_~k~5 108), 83781#(<= ULTIMATE.start_main_~k~5 111), 83780#(<= ULTIMATE.start_main_~k~5 110), 83783#(<= ULTIMATE.start_main_~k~5 113), 83782#(<= ULTIMATE.start_main_~k~5 112), 83785#(<= ULTIMATE.start_main_~k~5 115), 83784#(<= ULTIMATE.start_main_~k~5 114), 83787#(<= ULTIMATE.start_main_~k~5 117), 83786#(<= ULTIMATE.start_main_~k~5 116), 83789#(<= ULTIMATE.start_main_~k~5 119), 83788#(<= ULTIMATE.start_main_~k~5 118), 83791#(<= ULTIMATE.start_main_~k~5 121), 83790#(<= ULTIMATE.start_main_~k~5 120), 83793#(<= ULTIMATE.start_main_~k~5 123), 83792#(<= ULTIMATE.start_main_~k~5 122), 83795#(<= ULTIMATE.start_main_~k~5 125), 83794#(<= ULTIMATE.start_main_~k~5 124), 83797#(<= ULTIMATE.start_main_~k~5 127), 83796#(<= ULTIMATE.start_main_~k~5 126), 83799#(<= ULTIMATE.start_main_~k~5 129), 83798#(<= ULTIMATE.start_main_~k~5 128), 83801#(<= ULTIMATE.start_main_~k~5 131), 83800#(<= ULTIMATE.start_main_~k~5 130), 83803#(<= ULTIMATE.start_main_~k~5 133), 83802#(<= ULTIMATE.start_main_~k~5 132), 83669#false, 83668#true, 83671#(<= ULTIMATE.start_main_~k~5 1), 83670#(<= ULTIMATE.start_main_~k~5 0), 83673#(<= ULTIMATE.start_main_~k~5 3), 83672#(<= ULTIMATE.start_main_~k~5 2), 83675#(<= ULTIMATE.start_main_~k~5 5), 83674#(<= ULTIMATE.start_main_~k~5 4), 83677#(<= ULTIMATE.start_main_~k~5 7), 83676#(<= ULTIMATE.start_main_~k~5 6), 83679#(<= ULTIMATE.start_main_~k~5 9), 83678#(<= ULTIMATE.start_main_~k~5 8), 83681#(<= ULTIMATE.start_main_~k~5 11), 83680#(<= ULTIMATE.start_main_~k~5 10), 83683#(<= ULTIMATE.start_main_~k~5 13), 83682#(<= ULTIMATE.start_main_~k~5 12), 83685#(<= ULTIMATE.start_main_~k~5 15), 83684#(<= ULTIMATE.start_main_~k~5 14), 83687#(<= ULTIMATE.start_main_~k~5 17), 83686#(<= ULTIMATE.start_main_~k~5 16), 83689#(<= ULTIMATE.start_main_~k~5 19), 83688#(<= ULTIMATE.start_main_~k~5 18), 83691#(<= ULTIMATE.start_main_~k~5 21), 83690#(<= ULTIMATE.start_main_~k~5 20), 83693#(<= ULTIMATE.start_main_~k~5 23), 83692#(<= ULTIMATE.start_main_~k~5 22), 83695#(<= ULTIMATE.start_main_~k~5 25), 83694#(<= ULTIMATE.start_main_~k~5 24), 83697#(<= ULTIMATE.start_main_~k~5 27), 83696#(<= ULTIMATE.start_main_~k~5 26), 83699#(<= ULTIMATE.start_main_~k~5 29), 83698#(<= ULTIMATE.start_main_~k~5 28), 83701#(<= ULTIMATE.start_main_~k~5 31), 83700#(<= ULTIMATE.start_main_~k~5 30), 83703#(<= ULTIMATE.start_main_~k~5 33), 83702#(<= ULTIMATE.start_main_~k~5 32), 83705#(<= ULTIMATE.start_main_~k~5 35), 83704#(<= ULTIMATE.start_main_~k~5 34), 83707#(<= ULTIMATE.start_main_~k~5 37), 83706#(<= ULTIMATE.start_main_~k~5 36), 83709#(<= ULTIMATE.start_main_~k~5 39), 83708#(<= ULTIMATE.start_main_~k~5 38), 83711#(<= ULTIMATE.start_main_~k~5 41), 83710#(<= ULTIMATE.start_main_~k~5 40)] [2018-07-23 13:46:16,393 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 13:46:16,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:46:16,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:46:16,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:46:16,396 INFO L87 Difference]: Start difference. First operand 271 states and 271 transitions. Second operand 136 states. [2018-07-23 13:46:16,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:16,659 INFO L93 Difference]: Finished difference Result 275 states and 275 transitions. [2018-07-23 13:46:16,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:46:16,659 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 270 [2018-07-23 13:46:16,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:16,659 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:46:16,660 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:46:16,661 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:46:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:46:16,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:46:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:46:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 273 transitions. [2018-07-23 13:46:16,665 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 273 transitions. Word has length 270 [2018-07-23 13:46:16,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:16,666 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 273 transitions. [2018-07-23 13:46:16,666 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:46:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 273 transitions. [2018-07-23 13:46:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:46:16,667 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:16,667 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1, 1] [2018-07-23 13:46:16,668 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:16,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1929739683, now seen corresponding path program 134 times [2018-07-23 13:46:16,668 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:17,524 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 13:46:17,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:17,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:46:17,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:17,525 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 13:46:17,526 INFO L185 omatonBuilderFactory]: Interpolants [84993#(<= ULTIMATE.start_main_~k~5 91), 84992#(<= ULTIMATE.start_main_~k~5 90), 84995#(<= ULTIMATE.start_main_~k~5 93), 84994#(<= ULTIMATE.start_main_~k~5 92), 84997#(<= ULTIMATE.start_main_~k~5 95), 84996#(<= ULTIMATE.start_main_~k~5 94), 84999#(<= ULTIMATE.start_main_~k~5 97), 84998#(<= ULTIMATE.start_main_~k~5 96), 85001#(<= ULTIMATE.start_main_~k~5 99), 85000#(<= ULTIMATE.start_main_~k~5 98), 85003#(<= ULTIMATE.start_main_~k~5 101), 85002#(<= ULTIMATE.start_main_~k~5 100), 85005#(<= ULTIMATE.start_main_~k~5 103), 85004#(<= ULTIMATE.start_main_~k~5 102), 85007#(<= ULTIMATE.start_main_~k~5 105), 85006#(<= ULTIMATE.start_main_~k~5 104), 85009#(<= ULTIMATE.start_main_~k~5 107), 85008#(<= ULTIMATE.start_main_~k~5 106), 85011#(<= ULTIMATE.start_main_~k~5 109), 85010#(<= ULTIMATE.start_main_~k~5 108), 85013#(<= ULTIMATE.start_main_~k~5 111), 85012#(<= ULTIMATE.start_main_~k~5 110), 85015#(<= ULTIMATE.start_main_~k~5 113), 85014#(<= ULTIMATE.start_main_~k~5 112), 85017#(<= ULTIMATE.start_main_~k~5 115), 85016#(<= ULTIMATE.start_main_~k~5 114), 85019#(<= ULTIMATE.start_main_~k~5 117), 85018#(<= ULTIMATE.start_main_~k~5 116), 85021#(<= ULTIMATE.start_main_~k~5 119), 85020#(<= ULTIMATE.start_main_~k~5 118), 85023#(<= ULTIMATE.start_main_~k~5 121), 85022#(<= ULTIMATE.start_main_~k~5 120), 85025#(<= ULTIMATE.start_main_~k~5 123), 85024#(<= ULTIMATE.start_main_~k~5 122), 85027#(<= ULTIMATE.start_main_~k~5 125), 85026#(<= ULTIMATE.start_main_~k~5 124), 85029#(<= ULTIMATE.start_main_~k~5 127), 85028#(<= ULTIMATE.start_main_~k~5 126), 85031#(<= ULTIMATE.start_main_~k~5 129), 85030#(<= ULTIMATE.start_main_~k~5 128), 85033#(<= ULTIMATE.start_main_~k~5 131), 85032#(<= ULTIMATE.start_main_~k~5 130), 85035#(<= ULTIMATE.start_main_~k~5 133), 85034#(<= ULTIMATE.start_main_~k~5 132), 85036#(<= ULTIMATE.start_main_~k~5 134), 84901#false, 84900#true, 84903#(<= ULTIMATE.start_main_~k~5 1), 84902#(<= ULTIMATE.start_main_~k~5 0), 84905#(<= ULTIMATE.start_main_~k~5 3), 84904#(<= ULTIMATE.start_main_~k~5 2), 84907#(<= ULTIMATE.start_main_~k~5 5), 84906#(<= ULTIMATE.start_main_~k~5 4), 84909#(<= ULTIMATE.start_main_~k~5 7), 84908#(<= ULTIMATE.start_main_~k~5 6), 84911#(<= ULTIMATE.start_main_~k~5 9), 84910#(<= ULTIMATE.start_main_~k~5 8), 84913#(<= ULTIMATE.start_main_~k~5 11), 84912#(<= ULTIMATE.start_main_~k~5 10), 84915#(<= ULTIMATE.start_main_~k~5 13), 84914#(<= ULTIMATE.start_main_~k~5 12), 84917#(<= ULTIMATE.start_main_~k~5 15), 84916#(<= ULTIMATE.start_main_~k~5 14), 84919#(<= ULTIMATE.start_main_~k~5 17), 84918#(<= ULTIMATE.start_main_~k~5 16), 84921#(<= ULTIMATE.start_main_~k~5 19), 84920#(<= ULTIMATE.start_main_~k~5 18), 84923#(<= ULTIMATE.start_main_~k~5 21), 84922#(<= ULTIMATE.start_main_~k~5 20), 84925#(<= ULTIMATE.start_main_~k~5 23), 84924#(<= ULTIMATE.start_main_~k~5 22), 84927#(<= ULTIMATE.start_main_~k~5 25), 84926#(<= ULTIMATE.start_main_~k~5 24), 84929#(<= ULTIMATE.start_main_~k~5 27), 84928#(<= ULTIMATE.start_main_~k~5 26), 84931#(<= ULTIMATE.start_main_~k~5 29), 84930#(<= ULTIMATE.start_main_~k~5 28), 84933#(<= ULTIMATE.start_main_~k~5 31), 84932#(<= ULTIMATE.start_main_~k~5 30), 84935#(<= ULTIMATE.start_main_~k~5 33), 84934#(<= ULTIMATE.start_main_~k~5 32), 84937#(<= ULTIMATE.start_main_~k~5 35), 84936#(<= ULTIMATE.start_main_~k~5 34), 84939#(<= ULTIMATE.start_main_~k~5 37), 84938#(<= ULTIMATE.start_main_~k~5 36), 84941#(<= ULTIMATE.start_main_~k~5 39), 84940#(<= ULTIMATE.start_main_~k~5 38), 84943#(<= ULTIMATE.start_main_~k~5 41), 84942#(<= ULTIMATE.start_main_~k~5 40), 84945#(<= ULTIMATE.start_main_~k~5 43), 84944#(<= ULTIMATE.start_main_~k~5 42), 84947#(<= ULTIMATE.start_main_~k~5 45), 84946#(<= ULTIMATE.start_main_~k~5 44), 84949#(<= ULTIMATE.start_main_~k~5 47), 84948#(<= ULTIMATE.start_main_~k~5 46), 84951#(<= ULTIMATE.start_main_~k~5 49), 84950#(<= ULTIMATE.start_main_~k~5 48), 84953#(<= ULTIMATE.start_main_~k~5 51), 84952#(<= ULTIMATE.start_main_~k~5 50), 84955#(<= ULTIMATE.start_main_~k~5 53), 84954#(<= ULTIMATE.start_main_~k~5 52), 84957#(<= ULTIMATE.start_main_~k~5 55), 84956#(<= ULTIMATE.start_main_~k~5 54), 84959#(<= ULTIMATE.start_main_~k~5 57), 84958#(<= ULTIMATE.start_main_~k~5 56), 84961#(<= ULTIMATE.start_main_~k~5 59), 84960#(<= ULTIMATE.start_main_~k~5 58), 84963#(<= ULTIMATE.start_main_~k~5 61), 84962#(<= ULTIMATE.start_main_~k~5 60), 84965#(<= ULTIMATE.start_main_~k~5 63), 84964#(<= ULTIMATE.start_main_~k~5 62), 84967#(<= ULTIMATE.start_main_~k~5 65), 84966#(<= ULTIMATE.start_main_~k~5 64), 84969#(<= ULTIMATE.start_main_~k~5 67), 84968#(<= ULTIMATE.start_main_~k~5 66), 84971#(<= ULTIMATE.start_main_~k~5 69), 84970#(<= ULTIMATE.start_main_~k~5 68), 84973#(<= ULTIMATE.start_main_~k~5 71), 84972#(<= ULTIMATE.start_main_~k~5 70), 84975#(<= ULTIMATE.start_main_~k~5 73), 84974#(<= ULTIMATE.start_main_~k~5 72), 84977#(<= ULTIMATE.start_main_~k~5 75), 84976#(<= ULTIMATE.start_main_~k~5 74), 84979#(<= ULTIMATE.start_main_~k~5 77), 84978#(<= ULTIMATE.start_main_~k~5 76), 84981#(<= ULTIMATE.start_main_~k~5 79), 84980#(<= ULTIMATE.start_main_~k~5 78), 84983#(<= ULTIMATE.start_main_~k~5 81), 84982#(<= ULTIMATE.start_main_~k~5 80), 84985#(<= ULTIMATE.start_main_~k~5 83), 84984#(<= ULTIMATE.start_main_~k~5 82), 84987#(<= ULTIMATE.start_main_~k~5 85), 84986#(<= ULTIMATE.start_main_~k~5 84), 84989#(<= ULTIMATE.start_main_~k~5 87), 84988#(<= ULTIMATE.start_main_~k~5 86), 84991#(<= ULTIMATE.start_main_~k~5 89), 84990#(<= ULTIMATE.start_main_~k~5 88)] [2018-07-23 13:46:17,527 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 13:46:17,527 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:46:17,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:46:17,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:46:17,530 INFO L87 Difference]: Start difference. First operand 273 states and 273 transitions. Second operand 137 states. [2018-07-23 13:46:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:17,718 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2018-07-23 13:46:17,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:46:17,718 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 272 [2018-07-23 13:46:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:17,719 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:46:17,719 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:46:17,721 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:46:17,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:46:17,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:46:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:46:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 275 transitions. [2018-07-23 13:46:17,726 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 275 transitions. Word has length 272 [2018-07-23 13:46:17,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:17,726 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 275 transitions. [2018-07-23 13:46:17,726 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:46:17,726 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 275 transitions. [2018-07-23 13:46:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:46:17,728 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:17,728 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1, 1] [2018-07-23 13:46:17,728 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:17,728 INFO L82 PathProgramCache]: Analyzing trace with hash -945984419, now seen corresponding path program 135 times [2018-07-23 13:46:17,728 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:18,749 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 13:46:18,749 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:18,749 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:46:18,750 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:18,750 INFO L185 omatonBuilderFactory]: Interpolants [86273#(<= ULTIMATE.start_main_~k~5 130), 86272#(<= ULTIMATE.start_main_~k~5 129), 86275#(<= ULTIMATE.start_main_~k~5 132), 86274#(<= ULTIMATE.start_main_~k~5 131), 86277#(<= ULTIMATE.start_main_~k~5 134), 86276#(<= ULTIMATE.start_main_~k~5 133), 86278#(<= ULTIMATE.start_main_~k~5 135), 86141#true, 86143#(<= ULTIMATE.start_main_~k~5 0), 86142#false, 86145#(<= ULTIMATE.start_main_~k~5 2), 86144#(<= ULTIMATE.start_main_~k~5 1), 86147#(<= ULTIMATE.start_main_~k~5 4), 86146#(<= ULTIMATE.start_main_~k~5 3), 86149#(<= ULTIMATE.start_main_~k~5 6), 86148#(<= ULTIMATE.start_main_~k~5 5), 86151#(<= ULTIMATE.start_main_~k~5 8), 86150#(<= ULTIMATE.start_main_~k~5 7), 86153#(<= ULTIMATE.start_main_~k~5 10), 86152#(<= ULTIMATE.start_main_~k~5 9), 86155#(<= ULTIMATE.start_main_~k~5 12), 86154#(<= ULTIMATE.start_main_~k~5 11), 86157#(<= ULTIMATE.start_main_~k~5 14), 86156#(<= ULTIMATE.start_main_~k~5 13), 86159#(<= ULTIMATE.start_main_~k~5 16), 86158#(<= ULTIMATE.start_main_~k~5 15), 86161#(<= ULTIMATE.start_main_~k~5 18), 86160#(<= ULTIMATE.start_main_~k~5 17), 86163#(<= ULTIMATE.start_main_~k~5 20), 86162#(<= ULTIMATE.start_main_~k~5 19), 86165#(<= ULTIMATE.start_main_~k~5 22), 86164#(<= ULTIMATE.start_main_~k~5 21), 86167#(<= ULTIMATE.start_main_~k~5 24), 86166#(<= ULTIMATE.start_main_~k~5 23), 86169#(<= ULTIMATE.start_main_~k~5 26), 86168#(<= ULTIMATE.start_main_~k~5 25), 86171#(<= ULTIMATE.start_main_~k~5 28), 86170#(<= ULTIMATE.start_main_~k~5 27), 86173#(<= ULTIMATE.start_main_~k~5 30), 86172#(<= ULTIMATE.start_main_~k~5 29), 86175#(<= ULTIMATE.start_main_~k~5 32), 86174#(<= ULTIMATE.start_main_~k~5 31), 86177#(<= ULTIMATE.start_main_~k~5 34), 86176#(<= ULTIMATE.start_main_~k~5 33), 86179#(<= ULTIMATE.start_main_~k~5 36), 86178#(<= ULTIMATE.start_main_~k~5 35), 86181#(<= ULTIMATE.start_main_~k~5 38), 86180#(<= ULTIMATE.start_main_~k~5 37), 86183#(<= ULTIMATE.start_main_~k~5 40), 86182#(<= ULTIMATE.start_main_~k~5 39), 86185#(<= ULTIMATE.start_main_~k~5 42), 86184#(<= ULTIMATE.start_main_~k~5 41), 86187#(<= ULTIMATE.start_main_~k~5 44), 86186#(<= ULTIMATE.start_main_~k~5 43), 86189#(<= ULTIMATE.start_main_~k~5 46), 86188#(<= ULTIMATE.start_main_~k~5 45), 86191#(<= ULTIMATE.start_main_~k~5 48), 86190#(<= ULTIMATE.start_main_~k~5 47), 86193#(<= ULTIMATE.start_main_~k~5 50), 86192#(<= ULTIMATE.start_main_~k~5 49), 86195#(<= ULTIMATE.start_main_~k~5 52), 86194#(<= ULTIMATE.start_main_~k~5 51), 86197#(<= ULTIMATE.start_main_~k~5 54), 86196#(<= ULTIMATE.start_main_~k~5 53), 86199#(<= ULTIMATE.start_main_~k~5 56), 86198#(<= ULTIMATE.start_main_~k~5 55), 86201#(<= ULTIMATE.start_main_~k~5 58), 86200#(<= ULTIMATE.start_main_~k~5 57), 86203#(<= ULTIMATE.start_main_~k~5 60), 86202#(<= ULTIMATE.start_main_~k~5 59), 86205#(<= ULTIMATE.start_main_~k~5 62), 86204#(<= ULTIMATE.start_main_~k~5 61), 86207#(<= ULTIMATE.start_main_~k~5 64), 86206#(<= ULTIMATE.start_main_~k~5 63), 86209#(<= ULTIMATE.start_main_~k~5 66), 86208#(<= ULTIMATE.start_main_~k~5 65), 86211#(<= ULTIMATE.start_main_~k~5 68), 86210#(<= ULTIMATE.start_main_~k~5 67), 86213#(<= ULTIMATE.start_main_~k~5 70), 86212#(<= ULTIMATE.start_main_~k~5 69), 86215#(<= ULTIMATE.start_main_~k~5 72), 86214#(<= ULTIMATE.start_main_~k~5 71), 86217#(<= ULTIMATE.start_main_~k~5 74), 86216#(<= ULTIMATE.start_main_~k~5 73), 86219#(<= ULTIMATE.start_main_~k~5 76), 86218#(<= ULTIMATE.start_main_~k~5 75), 86221#(<= ULTIMATE.start_main_~k~5 78), 86220#(<= ULTIMATE.start_main_~k~5 77), 86223#(<= ULTIMATE.start_main_~k~5 80), 86222#(<= ULTIMATE.start_main_~k~5 79), 86225#(<= ULTIMATE.start_main_~k~5 82), 86224#(<= ULTIMATE.start_main_~k~5 81), 86227#(<= ULTIMATE.start_main_~k~5 84), 86226#(<= ULTIMATE.start_main_~k~5 83), 86229#(<= ULTIMATE.start_main_~k~5 86), 86228#(<= ULTIMATE.start_main_~k~5 85), 86231#(<= ULTIMATE.start_main_~k~5 88), 86230#(<= ULTIMATE.start_main_~k~5 87), 86233#(<= ULTIMATE.start_main_~k~5 90), 86232#(<= ULTIMATE.start_main_~k~5 89), 86235#(<= ULTIMATE.start_main_~k~5 92), 86234#(<= ULTIMATE.start_main_~k~5 91), 86237#(<= ULTIMATE.start_main_~k~5 94), 86236#(<= ULTIMATE.start_main_~k~5 93), 86239#(<= ULTIMATE.start_main_~k~5 96), 86238#(<= ULTIMATE.start_main_~k~5 95), 86241#(<= ULTIMATE.start_main_~k~5 98), 86240#(<= ULTIMATE.start_main_~k~5 97), 86243#(<= ULTIMATE.start_main_~k~5 100), 86242#(<= ULTIMATE.start_main_~k~5 99), 86245#(<= ULTIMATE.start_main_~k~5 102), 86244#(<= ULTIMATE.start_main_~k~5 101), 86247#(<= ULTIMATE.start_main_~k~5 104), 86246#(<= ULTIMATE.start_main_~k~5 103), 86249#(<= ULTIMATE.start_main_~k~5 106), 86248#(<= ULTIMATE.start_main_~k~5 105), 86251#(<= ULTIMATE.start_main_~k~5 108), 86250#(<= ULTIMATE.start_main_~k~5 107), 86253#(<= ULTIMATE.start_main_~k~5 110), 86252#(<= ULTIMATE.start_main_~k~5 109), 86255#(<= ULTIMATE.start_main_~k~5 112), 86254#(<= ULTIMATE.start_main_~k~5 111), 86257#(<= ULTIMATE.start_main_~k~5 114), 86256#(<= ULTIMATE.start_main_~k~5 113), 86259#(<= ULTIMATE.start_main_~k~5 116), 86258#(<= ULTIMATE.start_main_~k~5 115), 86261#(<= ULTIMATE.start_main_~k~5 118), 86260#(<= ULTIMATE.start_main_~k~5 117), 86263#(<= ULTIMATE.start_main_~k~5 120), 86262#(<= ULTIMATE.start_main_~k~5 119), 86265#(<= ULTIMATE.start_main_~k~5 122), 86264#(<= ULTIMATE.start_main_~k~5 121), 86267#(<= ULTIMATE.start_main_~k~5 124), 86266#(<= ULTIMATE.start_main_~k~5 123), 86269#(<= ULTIMATE.start_main_~k~5 126), 86268#(<= ULTIMATE.start_main_~k~5 125), 86271#(<= ULTIMATE.start_main_~k~5 128), 86270#(<= ULTIMATE.start_main_~k~5 127)] [2018-07-23 13:46:18,751 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 13:46:18,751 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:46:18,753 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:46:18,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:46:18,755 INFO L87 Difference]: Start difference. First operand 275 states and 275 transitions. Second operand 138 states. [2018-07-23 13:46:19,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:19,238 INFO L93 Difference]: Finished difference Result 279 states and 279 transitions. [2018-07-23 13:46:19,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:46:19,238 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 274 [2018-07-23 13:46:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:19,239 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:46:19,239 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:46:19,240 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 13:46:19,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:46:19,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:46:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:46:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 277 transitions. [2018-07-23 13:46:19,244 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 277 transitions. Word has length 274 [2018-07-23 13:46:19,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:19,244 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 277 transitions. [2018-07-23 13:46:19,244 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:46:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 277 transitions. [2018-07-23 13:46:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:46:19,245 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:19,245 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1, 1] [2018-07-23 13:46:19,245 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:19,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1442092183, now seen corresponding path program 136 times [2018-07-23 13:46:19,246 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:20,125 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 13:46:20,125 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:20,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:46:20,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:20,126 INFO L185 omatonBuilderFactory]: Interpolants [87391#true, 87393#(<= ULTIMATE.start_main_~k~5 0), 87392#false, 87395#(<= ULTIMATE.start_main_~k~5 2), 87394#(<= ULTIMATE.start_main_~k~5 1), 87397#(<= ULTIMATE.start_main_~k~5 4), 87396#(<= ULTIMATE.start_main_~k~5 3), 87399#(<= ULTIMATE.start_main_~k~5 6), 87398#(<= ULTIMATE.start_main_~k~5 5), 87401#(<= ULTIMATE.start_main_~k~5 8), 87400#(<= ULTIMATE.start_main_~k~5 7), 87403#(<= ULTIMATE.start_main_~k~5 10), 87402#(<= ULTIMATE.start_main_~k~5 9), 87405#(<= ULTIMATE.start_main_~k~5 12), 87404#(<= ULTIMATE.start_main_~k~5 11), 87407#(<= ULTIMATE.start_main_~k~5 14), 87406#(<= ULTIMATE.start_main_~k~5 13), 87409#(<= ULTIMATE.start_main_~k~5 16), 87408#(<= ULTIMATE.start_main_~k~5 15), 87411#(<= ULTIMATE.start_main_~k~5 18), 87410#(<= ULTIMATE.start_main_~k~5 17), 87413#(<= ULTIMATE.start_main_~k~5 20), 87412#(<= ULTIMATE.start_main_~k~5 19), 87415#(<= ULTIMATE.start_main_~k~5 22), 87414#(<= ULTIMATE.start_main_~k~5 21), 87417#(<= ULTIMATE.start_main_~k~5 24), 87416#(<= ULTIMATE.start_main_~k~5 23), 87419#(<= ULTIMATE.start_main_~k~5 26), 87418#(<= ULTIMATE.start_main_~k~5 25), 87421#(<= ULTIMATE.start_main_~k~5 28), 87420#(<= ULTIMATE.start_main_~k~5 27), 87423#(<= ULTIMATE.start_main_~k~5 30), 87422#(<= ULTIMATE.start_main_~k~5 29), 87425#(<= ULTIMATE.start_main_~k~5 32), 87424#(<= ULTIMATE.start_main_~k~5 31), 87427#(<= ULTIMATE.start_main_~k~5 34), 87426#(<= ULTIMATE.start_main_~k~5 33), 87429#(<= ULTIMATE.start_main_~k~5 36), 87428#(<= ULTIMATE.start_main_~k~5 35), 87431#(<= ULTIMATE.start_main_~k~5 38), 87430#(<= ULTIMATE.start_main_~k~5 37), 87433#(<= ULTIMATE.start_main_~k~5 40), 87432#(<= ULTIMATE.start_main_~k~5 39), 87435#(<= ULTIMATE.start_main_~k~5 42), 87434#(<= ULTIMATE.start_main_~k~5 41), 87437#(<= ULTIMATE.start_main_~k~5 44), 87436#(<= ULTIMATE.start_main_~k~5 43), 87439#(<= ULTIMATE.start_main_~k~5 46), 87438#(<= ULTIMATE.start_main_~k~5 45), 87441#(<= ULTIMATE.start_main_~k~5 48), 87440#(<= ULTIMATE.start_main_~k~5 47), 87443#(<= ULTIMATE.start_main_~k~5 50), 87442#(<= ULTIMATE.start_main_~k~5 49), 87445#(<= ULTIMATE.start_main_~k~5 52), 87444#(<= ULTIMATE.start_main_~k~5 51), 87447#(<= ULTIMATE.start_main_~k~5 54), 87446#(<= ULTIMATE.start_main_~k~5 53), 87449#(<= ULTIMATE.start_main_~k~5 56), 87448#(<= ULTIMATE.start_main_~k~5 55), 87451#(<= ULTIMATE.start_main_~k~5 58), 87450#(<= ULTIMATE.start_main_~k~5 57), 87453#(<= ULTIMATE.start_main_~k~5 60), 87452#(<= ULTIMATE.start_main_~k~5 59), 87455#(<= ULTIMATE.start_main_~k~5 62), 87454#(<= ULTIMATE.start_main_~k~5 61), 87457#(<= ULTIMATE.start_main_~k~5 64), 87456#(<= ULTIMATE.start_main_~k~5 63), 87459#(<= ULTIMATE.start_main_~k~5 66), 87458#(<= ULTIMATE.start_main_~k~5 65), 87461#(<= ULTIMATE.start_main_~k~5 68), 87460#(<= ULTIMATE.start_main_~k~5 67), 87463#(<= ULTIMATE.start_main_~k~5 70), 87462#(<= ULTIMATE.start_main_~k~5 69), 87465#(<= ULTIMATE.start_main_~k~5 72), 87464#(<= ULTIMATE.start_main_~k~5 71), 87467#(<= ULTIMATE.start_main_~k~5 74), 87466#(<= ULTIMATE.start_main_~k~5 73), 87469#(<= ULTIMATE.start_main_~k~5 76), 87468#(<= ULTIMATE.start_main_~k~5 75), 87471#(<= ULTIMATE.start_main_~k~5 78), 87470#(<= ULTIMATE.start_main_~k~5 77), 87473#(<= ULTIMATE.start_main_~k~5 80), 87472#(<= ULTIMATE.start_main_~k~5 79), 87475#(<= ULTIMATE.start_main_~k~5 82), 87474#(<= ULTIMATE.start_main_~k~5 81), 87477#(<= ULTIMATE.start_main_~k~5 84), 87476#(<= ULTIMATE.start_main_~k~5 83), 87479#(<= ULTIMATE.start_main_~k~5 86), 87478#(<= ULTIMATE.start_main_~k~5 85), 87481#(<= ULTIMATE.start_main_~k~5 88), 87480#(<= ULTIMATE.start_main_~k~5 87), 87483#(<= ULTIMATE.start_main_~k~5 90), 87482#(<= ULTIMATE.start_main_~k~5 89), 87485#(<= ULTIMATE.start_main_~k~5 92), 87484#(<= ULTIMATE.start_main_~k~5 91), 87487#(<= ULTIMATE.start_main_~k~5 94), 87486#(<= ULTIMATE.start_main_~k~5 93), 87489#(<= ULTIMATE.start_main_~k~5 96), 87488#(<= ULTIMATE.start_main_~k~5 95), 87491#(<= ULTIMATE.start_main_~k~5 98), 87490#(<= ULTIMATE.start_main_~k~5 97), 87493#(<= ULTIMATE.start_main_~k~5 100), 87492#(<= ULTIMATE.start_main_~k~5 99), 87495#(<= ULTIMATE.start_main_~k~5 102), 87494#(<= ULTIMATE.start_main_~k~5 101), 87497#(<= ULTIMATE.start_main_~k~5 104), 87496#(<= ULTIMATE.start_main_~k~5 103), 87499#(<= ULTIMATE.start_main_~k~5 106), 87498#(<= ULTIMATE.start_main_~k~5 105), 87501#(<= ULTIMATE.start_main_~k~5 108), 87500#(<= ULTIMATE.start_main_~k~5 107), 87503#(<= ULTIMATE.start_main_~k~5 110), 87502#(<= ULTIMATE.start_main_~k~5 109), 87505#(<= ULTIMATE.start_main_~k~5 112), 87504#(<= ULTIMATE.start_main_~k~5 111), 87507#(<= ULTIMATE.start_main_~k~5 114), 87506#(<= ULTIMATE.start_main_~k~5 113), 87509#(<= ULTIMATE.start_main_~k~5 116), 87508#(<= ULTIMATE.start_main_~k~5 115), 87511#(<= ULTIMATE.start_main_~k~5 118), 87510#(<= ULTIMATE.start_main_~k~5 117), 87513#(<= ULTIMATE.start_main_~k~5 120), 87512#(<= ULTIMATE.start_main_~k~5 119), 87515#(<= ULTIMATE.start_main_~k~5 122), 87514#(<= ULTIMATE.start_main_~k~5 121), 87517#(<= ULTIMATE.start_main_~k~5 124), 87516#(<= ULTIMATE.start_main_~k~5 123), 87519#(<= ULTIMATE.start_main_~k~5 126), 87518#(<= ULTIMATE.start_main_~k~5 125), 87521#(<= ULTIMATE.start_main_~k~5 128), 87520#(<= ULTIMATE.start_main_~k~5 127), 87523#(<= ULTIMATE.start_main_~k~5 130), 87522#(<= ULTIMATE.start_main_~k~5 129), 87525#(<= ULTIMATE.start_main_~k~5 132), 87524#(<= ULTIMATE.start_main_~k~5 131), 87527#(<= ULTIMATE.start_main_~k~5 134), 87526#(<= ULTIMATE.start_main_~k~5 133), 87529#(<= ULTIMATE.start_main_~k~5 136), 87528#(<= ULTIMATE.start_main_~k~5 135)] [2018-07-23 13:46:20,127 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 13:46:20,127 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:46:20,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:46:20,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:46:20,130 INFO L87 Difference]: Start difference. First operand 277 states and 277 transitions. Second operand 139 states. [2018-07-23 13:46:20,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:20,627 INFO L93 Difference]: Finished difference Result 281 states and 281 transitions. [2018-07-23 13:46:20,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:46:20,627 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 276 [2018-07-23 13:46:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:20,628 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:46:20,628 INFO L226 Difference]: Without dead ends: 279 [2018-07-23 13:46:20,630 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:46:20,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-07-23 13:46:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-07-23 13:46:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-07-23 13:46:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 279 transitions. [2018-07-23 13:46:20,634 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 279 transitions. Word has length 276 [2018-07-23 13:46:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:20,635 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 279 transitions. [2018-07-23 13:46:20,635 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:46:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 279 transitions. [2018-07-23 13:46:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-07-23 13:46:20,636 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:20,636 INFO L357 BasicCegarLoop]: trace histogram [138, 137, 1, 1, 1] [2018-07-23 13:46:20,636 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:20,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1423796655, now seen corresponding path program 137 times [2018-07-23 13:46:20,637 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:21,589 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 13:46:21,590 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:21,590 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:46:21,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:21,590 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 13:46:21,590 INFO L185 omatonBuilderFactory]: Interpolants [88651#false, 88650#true, 88653#(<= ULTIMATE.start_main_~k~5 1), 88652#(<= ULTIMATE.start_main_~k~5 0), 88655#(<= ULTIMATE.start_main_~k~5 3), 88654#(<= ULTIMATE.start_main_~k~5 2), 88657#(<= ULTIMATE.start_main_~k~5 5), 88656#(<= ULTIMATE.start_main_~k~5 4), 88659#(<= ULTIMATE.start_main_~k~5 7), 88658#(<= ULTIMATE.start_main_~k~5 6), 88661#(<= ULTIMATE.start_main_~k~5 9), 88660#(<= ULTIMATE.start_main_~k~5 8), 88663#(<= ULTIMATE.start_main_~k~5 11), 88662#(<= ULTIMATE.start_main_~k~5 10), 88665#(<= ULTIMATE.start_main_~k~5 13), 88664#(<= ULTIMATE.start_main_~k~5 12), 88667#(<= ULTIMATE.start_main_~k~5 15), 88666#(<= ULTIMATE.start_main_~k~5 14), 88669#(<= ULTIMATE.start_main_~k~5 17), 88668#(<= ULTIMATE.start_main_~k~5 16), 88671#(<= ULTIMATE.start_main_~k~5 19), 88670#(<= ULTIMATE.start_main_~k~5 18), 88673#(<= ULTIMATE.start_main_~k~5 21), 88672#(<= ULTIMATE.start_main_~k~5 20), 88675#(<= ULTIMATE.start_main_~k~5 23), 88674#(<= ULTIMATE.start_main_~k~5 22), 88677#(<= ULTIMATE.start_main_~k~5 25), 88676#(<= ULTIMATE.start_main_~k~5 24), 88679#(<= ULTIMATE.start_main_~k~5 27), 88678#(<= ULTIMATE.start_main_~k~5 26), 88681#(<= ULTIMATE.start_main_~k~5 29), 88680#(<= ULTIMATE.start_main_~k~5 28), 88683#(<= ULTIMATE.start_main_~k~5 31), 88682#(<= ULTIMATE.start_main_~k~5 30), 88685#(<= ULTIMATE.start_main_~k~5 33), 88684#(<= ULTIMATE.start_main_~k~5 32), 88687#(<= ULTIMATE.start_main_~k~5 35), 88686#(<= ULTIMATE.start_main_~k~5 34), 88689#(<= ULTIMATE.start_main_~k~5 37), 88688#(<= ULTIMATE.start_main_~k~5 36), 88691#(<= ULTIMATE.start_main_~k~5 39), 88690#(<= ULTIMATE.start_main_~k~5 38), 88693#(<= ULTIMATE.start_main_~k~5 41), 88692#(<= ULTIMATE.start_main_~k~5 40), 88695#(<= ULTIMATE.start_main_~k~5 43), 88694#(<= ULTIMATE.start_main_~k~5 42), 88697#(<= ULTIMATE.start_main_~k~5 45), 88696#(<= ULTIMATE.start_main_~k~5 44), 88699#(<= ULTIMATE.start_main_~k~5 47), 88698#(<= ULTIMATE.start_main_~k~5 46), 88701#(<= ULTIMATE.start_main_~k~5 49), 88700#(<= ULTIMATE.start_main_~k~5 48), 88703#(<= ULTIMATE.start_main_~k~5 51), 88702#(<= ULTIMATE.start_main_~k~5 50), 88705#(<= ULTIMATE.start_main_~k~5 53), 88704#(<= ULTIMATE.start_main_~k~5 52), 88707#(<= ULTIMATE.start_main_~k~5 55), 88706#(<= ULTIMATE.start_main_~k~5 54), 88709#(<= ULTIMATE.start_main_~k~5 57), 88708#(<= ULTIMATE.start_main_~k~5 56), 88711#(<= ULTIMATE.start_main_~k~5 59), 88710#(<= ULTIMATE.start_main_~k~5 58), 88713#(<= ULTIMATE.start_main_~k~5 61), 88712#(<= ULTIMATE.start_main_~k~5 60), 88715#(<= ULTIMATE.start_main_~k~5 63), 88714#(<= ULTIMATE.start_main_~k~5 62), 88717#(<= ULTIMATE.start_main_~k~5 65), 88716#(<= ULTIMATE.start_main_~k~5 64), 88719#(<= ULTIMATE.start_main_~k~5 67), 88718#(<= ULTIMATE.start_main_~k~5 66), 88721#(<= ULTIMATE.start_main_~k~5 69), 88720#(<= ULTIMATE.start_main_~k~5 68), 88723#(<= ULTIMATE.start_main_~k~5 71), 88722#(<= ULTIMATE.start_main_~k~5 70), 88725#(<= ULTIMATE.start_main_~k~5 73), 88724#(<= ULTIMATE.start_main_~k~5 72), 88727#(<= ULTIMATE.start_main_~k~5 75), 88726#(<= ULTIMATE.start_main_~k~5 74), 88729#(<= ULTIMATE.start_main_~k~5 77), 88728#(<= ULTIMATE.start_main_~k~5 76), 88731#(<= ULTIMATE.start_main_~k~5 79), 88730#(<= ULTIMATE.start_main_~k~5 78), 88733#(<= ULTIMATE.start_main_~k~5 81), 88732#(<= ULTIMATE.start_main_~k~5 80), 88735#(<= ULTIMATE.start_main_~k~5 83), 88734#(<= ULTIMATE.start_main_~k~5 82), 88737#(<= ULTIMATE.start_main_~k~5 85), 88736#(<= ULTIMATE.start_main_~k~5 84), 88739#(<= ULTIMATE.start_main_~k~5 87), 88738#(<= ULTIMATE.start_main_~k~5 86), 88741#(<= ULTIMATE.start_main_~k~5 89), 88740#(<= ULTIMATE.start_main_~k~5 88), 88743#(<= ULTIMATE.start_main_~k~5 91), 88742#(<= ULTIMATE.start_main_~k~5 90), 88745#(<= ULTIMATE.start_main_~k~5 93), 88744#(<= ULTIMATE.start_main_~k~5 92), 88747#(<= ULTIMATE.start_main_~k~5 95), 88746#(<= ULTIMATE.start_main_~k~5 94), 88749#(<= ULTIMATE.start_main_~k~5 97), 88748#(<= ULTIMATE.start_main_~k~5 96), 88751#(<= ULTIMATE.start_main_~k~5 99), 88750#(<= ULTIMATE.start_main_~k~5 98), 88753#(<= ULTIMATE.start_main_~k~5 101), 88752#(<= ULTIMATE.start_main_~k~5 100), 88755#(<= ULTIMATE.start_main_~k~5 103), 88754#(<= ULTIMATE.start_main_~k~5 102), 88757#(<= ULTIMATE.start_main_~k~5 105), 88756#(<= ULTIMATE.start_main_~k~5 104), 88759#(<= ULTIMATE.start_main_~k~5 107), 88758#(<= ULTIMATE.start_main_~k~5 106), 88761#(<= ULTIMATE.start_main_~k~5 109), 88760#(<= ULTIMATE.start_main_~k~5 108), 88763#(<= ULTIMATE.start_main_~k~5 111), 88762#(<= ULTIMATE.start_main_~k~5 110), 88765#(<= ULTIMATE.start_main_~k~5 113), 88764#(<= ULTIMATE.start_main_~k~5 112), 88767#(<= ULTIMATE.start_main_~k~5 115), 88766#(<= ULTIMATE.start_main_~k~5 114), 88769#(<= ULTIMATE.start_main_~k~5 117), 88768#(<= ULTIMATE.start_main_~k~5 116), 88771#(<= ULTIMATE.start_main_~k~5 119), 88770#(<= ULTIMATE.start_main_~k~5 118), 88773#(<= ULTIMATE.start_main_~k~5 121), 88772#(<= ULTIMATE.start_main_~k~5 120), 88775#(<= ULTIMATE.start_main_~k~5 123), 88774#(<= ULTIMATE.start_main_~k~5 122), 88777#(<= ULTIMATE.start_main_~k~5 125), 88776#(<= ULTIMATE.start_main_~k~5 124), 88779#(<= ULTIMATE.start_main_~k~5 127), 88778#(<= ULTIMATE.start_main_~k~5 126), 88781#(<= ULTIMATE.start_main_~k~5 129), 88780#(<= ULTIMATE.start_main_~k~5 128), 88783#(<= ULTIMATE.start_main_~k~5 131), 88782#(<= ULTIMATE.start_main_~k~5 130), 88785#(<= ULTIMATE.start_main_~k~5 133), 88784#(<= ULTIMATE.start_main_~k~5 132), 88787#(<= ULTIMATE.start_main_~k~5 135), 88786#(<= ULTIMATE.start_main_~k~5 134), 88789#(<= ULTIMATE.start_main_~k~5 137), 88788#(<= ULTIMATE.start_main_~k~5 136)] [2018-07-23 13:46:21,591 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 13:46:21,591 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:46:21,593 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:46:21,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:46:21,593 INFO L87 Difference]: Start difference. First operand 279 states and 279 transitions. Second operand 140 states. [2018-07-23 13:46:22,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:22,039 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-07-23 13:46:22,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:46:22,039 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 278 [2018-07-23 13:46:22,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:22,040 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:46:22,040 INFO L226 Difference]: Without dead ends: 281 [2018-07-23 13:46:22,041 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:46:22,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-07-23 13:46:22,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-07-23 13:46:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-07-23 13:46:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 281 transitions. [2018-07-23 13:46:22,047 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 281 transitions. Word has length 278 [2018-07-23 13:46:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:22,047 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 281 transitions. [2018-07-23 13:46:22,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:46:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 281 transitions. [2018-07-23 13:46:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-07-23 13:46:22,048 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:22,049 INFO L357 BasicCegarLoop]: trace histogram [139, 138, 1, 1, 1] [2018-07-23 13:46:22,049 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:22,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1826034059, now seen corresponding path program 138 times [2018-07-23 13:46:22,049 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:23,007 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 13:46:23,007 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:23,007 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:46:23,008 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:23,008 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 13:46:23,008 INFO L185 omatonBuilderFactory]: Interpolants [89919#false, 89918#true, 89921#(<= ULTIMATE.start_main_~k~5 1), 89920#(<= ULTIMATE.start_main_~k~5 0), 89923#(<= ULTIMATE.start_main_~k~5 3), 89922#(<= ULTIMATE.start_main_~k~5 2), 89925#(<= ULTIMATE.start_main_~k~5 5), 89924#(<= ULTIMATE.start_main_~k~5 4), 89927#(<= ULTIMATE.start_main_~k~5 7), 89926#(<= ULTIMATE.start_main_~k~5 6), 89929#(<= ULTIMATE.start_main_~k~5 9), 89928#(<= ULTIMATE.start_main_~k~5 8), 89931#(<= ULTIMATE.start_main_~k~5 11), 89930#(<= ULTIMATE.start_main_~k~5 10), 89933#(<= ULTIMATE.start_main_~k~5 13), 89932#(<= ULTIMATE.start_main_~k~5 12), 89935#(<= ULTIMATE.start_main_~k~5 15), 89934#(<= ULTIMATE.start_main_~k~5 14), 89937#(<= ULTIMATE.start_main_~k~5 17), 89936#(<= ULTIMATE.start_main_~k~5 16), 89939#(<= ULTIMATE.start_main_~k~5 19), 89938#(<= ULTIMATE.start_main_~k~5 18), 89941#(<= ULTIMATE.start_main_~k~5 21), 89940#(<= ULTIMATE.start_main_~k~5 20), 89943#(<= ULTIMATE.start_main_~k~5 23), 89942#(<= ULTIMATE.start_main_~k~5 22), 89945#(<= ULTIMATE.start_main_~k~5 25), 89944#(<= ULTIMATE.start_main_~k~5 24), 89947#(<= ULTIMATE.start_main_~k~5 27), 89946#(<= ULTIMATE.start_main_~k~5 26), 89949#(<= ULTIMATE.start_main_~k~5 29), 89948#(<= ULTIMATE.start_main_~k~5 28), 89951#(<= ULTIMATE.start_main_~k~5 31), 89950#(<= ULTIMATE.start_main_~k~5 30), 89953#(<= ULTIMATE.start_main_~k~5 33), 89952#(<= ULTIMATE.start_main_~k~5 32), 89955#(<= ULTIMATE.start_main_~k~5 35), 89954#(<= ULTIMATE.start_main_~k~5 34), 89957#(<= ULTIMATE.start_main_~k~5 37), 89956#(<= ULTIMATE.start_main_~k~5 36), 89959#(<= ULTIMATE.start_main_~k~5 39), 89958#(<= ULTIMATE.start_main_~k~5 38), 89961#(<= ULTIMATE.start_main_~k~5 41), 89960#(<= ULTIMATE.start_main_~k~5 40), 89963#(<= ULTIMATE.start_main_~k~5 43), 89962#(<= ULTIMATE.start_main_~k~5 42), 89965#(<= ULTIMATE.start_main_~k~5 45), 89964#(<= ULTIMATE.start_main_~k~5 44), 89967#(<= ULTIMATE.start_main_~k~5 47), 89966#(<= ULTIMATE.start_main_~k~5 46), 89969#(<= ULTIMATE.start_main_~k~5 49), 89968#(<= ULTIMATE.start_main_~k~5 48), 89971#(<= ULTIMATE.start_main_~k~5 51), 89970#(<= ULTIMATE.start_main_~k~5 50), 89973#(<= ULTIMATE.start_main_~k~5 53), 89972#(<= ULTIMATE.start_main_~k~5 52), 89975#(<= ULTIMATE.start_main_~k~5 55), 89974#(<= ULTIMATE.start_main_~k~5 54), 89977#(<= ULTIMATE.start_main_~k~5 57), 89976#(<= ULTIMATE.start_main_~k~5 56), 89979#(<= ULTIMATE.start_main_~k~5 59), 89978#(<= ULTIMATE.start_main_~k~5 58), 89981#(<= ULTIMATE.start_main_~k~5 61), 89980#(<= ULTIMATE.start_main_~k~5 60), 89983#(<= ULTIMATE.start_main_~k~5 63), 89982#(<= ULTIMATE.start_main_~k~5 62), 89985#(<= ULTIMATE.start_main_~k~5 65), 89984#(<= ULTIMATE.start_main_~k~5 64), 89987#(<= ULTIMATE.start_main_~k~5 67), 89986#(<= ULTIMATE.start_main_~k~5 66), 89989#(<= ULTIMATE.start_main_~k~5 69), 89988#(<= ULTIMATE.start_main_~k~5 68), 89991#(<= ULTIMATE.start_main_~k~5 71), 89990#(<= ULTIMATE.start_main_~k~5 70), 89993#(<= ULTIMATE.start_main_~k~5 73), 89992#(<= ULTIMATE.start_main_~k~5 72), 89995#(<= ULTIMATE.start_main_~k~5 75), 89994#(<= ULTIMATE.start_main_~k~5 74), 89997#(<= ULTIMATE.start_main_~k~5 77), 89996#(<= ULTIMATE.start_main_~k~5 76), 89999#(<= ULTIMATE.start_main_~k~5 79), 89998#(<= ULTIMATE.start_main_~k~5 78), 90001#(<= ULTIMATE.start_main_~k~5 81), 90000#(<= ULTIMATE.start_main_~k~5 80), 90003#(<= ULTIMATE.start_main_~k~5 83), 90002#(<= ULTIMATE.start_main_~k~5 82), 90005#(<= ULTIMATE.start_main_~k~5 85), 90004#(<= ULTIMATE.start_main_~k~5 84), 90007#(<= ULTIMATE.start_main_~k~5 87), 90006#(<= ULTIMATE.start_main_~k~5 86), 90009#(<= ULTIMATE.start_main_~k~5 89), 90008#(<= ULTIMATE.start_main_~k~5 88), 90011#(<= ULTIMATE.start_main_~k~5 91), 90010#(<= ULTIMATE.start_main_~k~5 90), 90013#(<= ULTIMATE.start_main_~k~5 93), 90012#(<= ULTIMATE.start_main_~k~5 92), 90015#(<= ULTIMATE.start_main_~k~5 95), 90014#(<= ULTIMATE.start_main_~k~5 94), 90017#(<= ULTIMATE.start_main_~k~5 97), 90016#(<= ULTIMATE.start_main_~k~5 96), 90019#(<= ULTIMATE.start_main_~k~5 99), 90018#(<= ULTIMATE.start_main_~k~5 98), 90021#(<= ULTIMATE.start_main_~k~5 101), 90020#(<= ULTIMATE.start_main_~k~5 100), 90023#(<= ULTIMATE.start_main_~k~5 103), 90022#(<= ULTIMATE.start_main_~k~5 102), 90025#(<= ULTIMATE.start_main_~k~5 105), 90024#(<= ULTIMATE.start_main_~k~5 104), 90027#(<= ULTIMATE.start_main_~k~5 107), 90026#(<= ULTIMATE.start_main_~k~5 106), 90029#(<= ULTIMATE.start_main_~k~5 109), 90028#(<= ULTIMATE.start_main_~k~5 108), 90031#(<= ULTIMATE.start_main_~k~5 111), 90030#(<= ULTIMATE.start_main_~k~5 110), 90033#(<= ULTIMATE.start_main_~k~5 113), 90032#(<= ULTIMATE.start_main_~k~5 112), 90035#(<= ULTIMATE.start_main_~k~5 115), 90034#(<= ULTIMATE.start_main_~k~5 114), 90037#(<= ULTIMATE.start_main_~k~5 117), 90036#(<= ULTIMATE.start_main_~k~5 116), 90039#(<= ULTIMATE.start_main_~k~5 119), 90038#(<= ULTIMATE.start_main_~k~5 118), 90041#(<= ULTIMATE.start_main_~k~5 121), 90040#(<= ULTIMATE.start_main_~k~5 120), 90043#(<= ULTIMATE.start_main_~k~5 123), 90042#(<= ULTIMATE.start_main_~k~5 122), 90045#(<= ULTIMATE.start_main_~k~5 125), 90044#(<= ULTIMATE.start_main_~k~5 124), 90047#(<= ULTIMATE.start_main_~k~5 127), 90046#(<= ULTIMATE.start_main_~k~5 126), 90049#(<= ULTIMATE.start_main_~k~5 129), 90048#(<= ULTIMATE.start_main_~k~5 128), 90051#(<= ULTIMATE.start_main_~k~5 131), 90050#(<= ULTIMATE.start_main_~k~5 130), 90053#(<= ULTIMATE.start_main_~k~5 133), 90052#(<= ULTIMATE.start_main_~k~5 132), 90055#(<= ULTIMATE.start_main_~k~5 135), 90054#(<= ULTIMATE.start_main_~k~5 134), 90057#(<= ULTIMATE.start_main_~k~5 137), 90056#(<= ULTIMATE.start_main_~k~5 136), 90058#(<= ULTIMATE.start_main_~k~5 138)] [2018-07-23 13:46:23,009 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 13:46:23,009 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:46:23,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:46:23,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:46:23,012 INFO L87 Difference]: Start difference. First operand 281 states and 281 transitions. Second operand 141 states. [2018-07-23 13:46:23,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:23,500 INFO L93 Difference]: Finished difference Result 285 states and 285 transitions. [2018-07-23 13:46:23,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:46:23,500 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 280 [2018-07-23 13:46:23,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:23,501 INFO L225 Difference]: With dead ends: 285 [2018-07-23 13:46:23,501 INFO L226 Difference]: Without dead ends: 283 [2018-07-23 13:46:23,502 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:46:23,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-07-23 13:46:23,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-07-23 13:46:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-07-23 13:46:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 283 transitions. [2018-07-23 13:46:23,505 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 283 transitions. Word has length 280 [2018-07-23 13:46:23,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:23,506 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 283 transitions. [2018-07-23 13:46:23,506 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:46:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 283 transitions. [2018-07-23 13:46:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-07-23 13:46:23,507 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:23,507 INFO L357 BasicCegarLoop]: trace histogram [140, 139, 1, 1, 1] [2018-07-23 13:46:23,507 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:23,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1822841275, now seen corresponding path program 139 times [2018-07-23 13:46:23,507 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:24,436 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 13:46:24,436 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:24,436 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:46:24,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:24,437 INFO L185 omatonBuilderFactory]: Interpolants [91195#true, 91197#(<= ULTIMATE.start_main_~k~5 0), 91196#false, 91199#(<= ULTIMATE.start_main_~k~5 2), 91198#(<= ULTIMATE.start_main_~k~5 1), 91201#(<= ULTIMATE.start_main_~k~5 4), 91200#(<= ULTIMATE.start_main_~k~5 3), 91203#(<= ULTIMATE.start_main_~k~5 6), 91202#(<= ULTIMATE.start_main_~k~5 5), 91205#(<= ULTIMATE.start_main_~k~5 8), 91204#(<= ULTIMATE.start_main_~k~5 7), 91207#(<= ULTIMATE.start_main_~k~5 10), 91206#(<= ULTIMATE.start_main_~k~5 9), 91209#(<= ULTIMATE.start_main_~k~5 12), 91208#(<= ULTIMATE.start_main_~k~5 11), 91211#(<= ULTIMATE.start_main_~k~5 14), 91210#(<= ULTIMATE.start_main_~k~5 13), 91213#(<= ULTIMATE.start_main_~k~5 16), 91212#(<= ULTIMATE.start_main_~k~5 15), 91215#(<= ULTIMATE.start_main_~k~5 18), 91214#(<= ULTIMATE.start_main_~k~5 17), 91217#(<= ULTIMATE.start_main_~k~5 20), 91216#(<= ULTIMATE.start_main_~k~5 19), 91219#(<= ULTIMATE.start_main_~k~5 22), 91218#(<= ULTIMATE.start_main_~k~5 21), 91221#(<= ULTIMATE.start_main_~k~5 24), 91220#(<= ULTIMATE.start_main_~k~5 23), 91223#(<= ULTIMATE.start_main_~k~5 26), 91222#(<= ULTIMATE.start_main_~k~5 25), 91225#(<= ULTIMATE.start_main_~k~5 28), 91224#(<= ULTIMATE.start_main_~k~5 27), 91227#(<= ULTIMATE.start_main_~k~5 30), 91226#(<= ULTIMATE.start_main_~k~5 29), 91229#(<= ULTIMATE.start_main_~k~5 32), 91228#(<= ULTIMATE.start_main_~k~5 31), 91231#(<= ULTIMATE.start_main_~k~5 34), 91230#(<= ULTIMATE.start_main_~k~5 33), 91233#(<= ULTIMATE.start_main_~k~5 36), 91232#(<= ULTIMATE.start_main_~k~5 35), 91235#(<= ULTIMATE.start_main_~k~5 38), 91234#(<= ULTIMATE.start_main_~k~5 37), 91237#(<= ULTIMATE.start_main_~k~5 40), 91236#(<= ULTIMATE.start_main_~k~5 39), 91239#(<= ULTIMATE.start_main_~k~5 42), 91238#(<= ULTIMATE.start_main_~k~5 41), 91241#(<= ULTIMATE.start_main_~k~5 44), 91240#(<= ULTIMATE.start_main_~k~5 43), 91243#(<= ULTIMATE.start_main_~k~5 46), 91242#(<= ULTIMATE.start_main_~k~5 45), 91245#(<= ULTIMATE.start_main_~k~5 48), 91244#(<= ULTIMATE.start_main_~k~5 47), 91247#(<= ULTIMATE.start_main_~k~5 50), 91246#(<= ULTIMATE.start_main_~k~5 49), 91249#(<= ULTIMATE.start_main_~k~5 52), 91248#(<= ULTIMATE.start_main_~k~5 51), 91251#(<= ULTIMATE.start_main_~k~5 54), 91250#(<= ULTIMATE.start_main_~k~5 53), 91253#(<= ULTIMATE.start_main_~k~5 56), 91252#(<= ULTIMATE.start_main_~k~5 55), 91255#(<= ULTIMATE.start_main_~k~5 58), 91254#(<= ULTIMATE.start_main_~k~5 57), 91257#(<= ULTIMATE.start_main_~k~5 60), 91256#(<= ULTIMATE.start_main_~k~5 59), 91259#(<= ULTIMATE.start_main_~k~5 62), 91258#(<= ULTIMATE.start_main_~k~5 61), 91261#(<= ULTIMATE.start_main_~k~5 64), 91260#(<= ULTIMATE.start_main_~k~5 63), 91263#(<= ULTIMATE.start_main_~k~5 66), 91262#(<= ULTIMATE.start_main_~k~5 65), 91265#(<= ULTIMATE.start_main_~k~5 68), 91264#(<= ULTIMATE.start_main_~k~5 67), 91267#(<= ULTIMATE.start_main_~k~5 70), 91266#(<= ULTIMATE.start_main_~k~5 69), 91269#(<= ULTIMATE.start_main_~k~5 72), 91268#(<= ULTIMATE.start_main_~k~5 71), 91271#(<= ULTIMATE.start_main_~k~5 74), 91270#(<= ULTIMATE.start_main_~k~5 73), 91273#(<= ULTIMATE.start_main_~k~5 76), 91272#(<= ULTIMATE.start_main_~k~5 75), 91275#(<= ULTIMATE.start_main_~k~5 78), 91274#(<= ULTIMATE.start_main_~k~5 77), 91277#(<= ULTIMATE.start_main_~k~5 80), 91276#(<= ULTIMATE.start_main_~k~5 79), 91279#(<= ULTIMATE.start_main_~k~5 82), 91278#(<= ULTIMATE.start_main_~k~5 81), 91281#(<= ULTIMATE.start_main_~k~5 84), 91280#(<= ULTIMATE.start_main_~k~5 83), 91283#(<= ULTIMATE.start_main_~k~5 86), 91282#(<= ULTIMATE.start_main_~k~5 85), 91285#(<= ULTIMATE.start_main_~k~5 88), 91284#(<= ULTIMATE.start_main_~k~5 87), 91287#(<= ULTIMATE.start_main_~k~5 90), 91286#(<= ULTIMATE.start_main_~k~5 89), 91289#(<= ULTIMATE.start_main_~k~5 92), 91288#(<= ULTIMATE.start_main_~k~5 91), 91291#(<= ULTIMATE.start_main_~k~5 94), 91290#(<= ULTIMATE.start_main_~k~5 93), 91293#(<= ULTIMATE.start_main_~k~5 96), 91292#(<= ULTIMATE.start_main_~k~5 95), 91295#(<= ULTIMATE.start_main_~k~5 98), 91294#(<= ULTIMATE.start_main_~k~5 97), 91297#(<= ULTIMATE.start_main_~k~5 100), 91296#(<= ULTIMATE.start_main_~k~5 99), 91299#(<= ULTIMATE.start_main_~k~5 102), 91298#(<= ULTIMATE.start_main_~k~5 101), 91301#(<= ULTIMATE.start_main_~k~5 104), 91300#(<= ULTIMATE.start_main_~k~5 103), 91303#(<= ULTIMATE.start_main_~k~5 106), 91302#(<= ULTIMATE.start_main_~k~5 105), 91305#(<= ULTIMATE.start_main_~k~5 108), 91304#(<= ULTIMATE.start_main_~k~5 107), 91307#(<= ULTIMATE.start_main_~k~5 110), 91306#(<= ULTIMATE.start_main_~k~5 109), 91309#(<= ULTIMATE.start_main_~k~5 112), 91308#(<= ULTIMATE.start_main_~k~5 111), 91311#(<= ULTIMATE.start_main_~k~5 114), 91310#(<= ULTIMATE.start_main_~k~5 113), 91313#(<= ULTIMATE.start_main_~k~5 116), 91312#(<= ULTIMATE.start_main_~k~5 115), 91315#(<= ULTIMATE.start_main_~k~5 118), 91314#(<= ULTIMATE.start_main_~k~5 117), 91317#(<= ULTIMATE.start_main_~k~5 120), 91316#(<= ULTIMATE.start_main_~k~5 119), 91319#(<= ULTIMATE.start_main_~k~5 122), 91318#(<= ULTIMATE.start_main_~k~5 121), 91321#(<= ULTIMATE.start_main_~k~5 124), 91320#(<= ULTIMATE.start_main_~k~5 123), 91323#(<= ULTIMATE.start_main_~k~5 126), 91322#(<= ULTIMATE.start_main_~k~5 125), 91325#(<= ULTIMATE.start_main_~k~5 128), 91324#(<= ULTIMATE.start_main_~k~5 127), 91327#(<= ULTIMATE.start_main_~k~5 130), 91326#(<= ULTIMATE.start_main_~k~5 129), 91329#(<= ULTIMATE.start_main_~k~5 132), 91328#(<= ULTIMATE.start_main_~k~5 131), 91331#(<= ULTIMATE.start_main_~k~5 134), 91330#(<= ULTIMATE.start_main_~k~5 133), 91333#(<= ULTIMATE.start_main_~k~5 136), 91332#(<= ULTIMATE.start_main_~k~5 135), 91335#(<= ULTIMATE.start_main_~k~5 138), 91334#(<= ULTIMATE.start_main_~k~5 137), 91336#(<= ULTIMATE.start_main_~k~5 139)] [2018-07-23 13:46:24,438 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 13:46:24,438 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:46:24,440 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:46:24,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:46:24,442 INFO L87 Difference]: Start difference. First operand 283 states and 283 transitions. Second operand 142 states. [2018-07-23 13:46:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:24,977 INFO L93 Difference]: Finished difference Result 287 states and 287 transitions. [2018-07-23 13:46:24,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:46:24,977 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 282 [2018-07-23 13:46:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:24,978 INFO L225 Difference]: With dead ends: 287 [2018-07-23 13:46:24,978 INFO L226 Difference]: Without dead ends: 285 [2018-07-23 13:46:24,980 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 13:46:24,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-07-23 13:46:24,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-07-23 13:46:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-07-23 13:46:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 285 transitions. [2018-07-23 13:46:24,983 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 285 transitions. Word has length 282 [2018-07-23 13:46:24,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:24,984 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 285 transitions. [2018-07-23 13:46:24,984 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:46:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 285 transitions. [2018-07-23 13:46:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-07-23 13:46:24,985 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:24,985 INFO L357 BasicCegarLoop]: trace histogram [141, 140, 1, 1, 1] [2018-07-23 13:46:24,985 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:24,985 INFO L82 PathProgramCache]: Analyzing trace with hash 596243583, now seen corresponding path program 140 times [2018-07-23 13:46:24,985 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:25,968 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 13:46:25,968 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:25,968 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:46:25,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,969 INFO L185 omatonBuilderFactory]: Interpolants [92481#true, 92483#(<= ULTIMATE.start_main_~k~5 0), 92482#false, 92485#(<= ULTIMATE.start_main_~k~5 2), 92484#(<= ULTIMATE.start_main_~k~5 1), 92487#(<= ULTIMATE.start_main_~k~5 4), 92486#(<= ULTIMATE.start_main_~k~5 3), 92489#(<= ULTIMATE.start_main_~k~5 6), 92488#(<= ULTIMATE.start_main_~k~5 5), 92491#(<= ULTIMATE.start_main_~k~5 8), 92490#(<= ULTIMATE.start_main_~k~5 7), 92493#(<= ULTIMATE.start_main_~k~5 10), 92492#(<= ULTIMATE.start_main_~k~5 9), 92495#(<= ULTIMATE.start_main_~k~5 12), 92494#(<= ULTIMATE.start_main_~k~5 11), 92497#(<= ULTIMATE.start_main_~k~5 14), 92496#(<= ULTIMATE.start_main_~k~5 13), 92499#(<= ULTIMATE.start_main_~k~5 16), 92498#(<= ULTIMATE.start_main_~k~5 15), 92501#(<= ULTIMATE.start_main_~k~5 18), 92500#(<= ULTIMATE.start_main_~k~5 17), 92503#(<= ULTIMATE.start_main_~k~5 20), 92502#(<= ULTIMATE.start_main_~k~5 19), 92505#(<= ULTIMATE.start_main_~k~5 22), 92504#(<= ULTIMATE.start_main_~k~5 21), 92507#(<= ULTIMATE.start_main_~k~5 24), 92506#(<= ULTIMATE.start_main_~k~5 23), 92509#(<= ULTIMATE.start_main_~k~5 26), 92508#(<= ULTIMATE.start_main_~k~5 25), 92511#(<= ULTIMATE.start_main_~k~5 28), 92510#(<= ULTIMATE.start_main_~k~5 27), 92513#(<= ULTIMATE.start_main_~k~5 30), 92512#(<= ULTIMATE.start_main_~k~5 29), 92515#(<= ULTIMATE.start_main_~k~5 32), 92514#(<= ULTIMATE.start_main_~k~5 31), 92517#(<= ULTIMATE.start_main_~k~5 34), 92516#(<= ULTIMATE.start_main_~k~5 33), 92519#(<= ULTIMATE.start_main_~k~5 36), 92518#(<= ULTIMATE.start_main_~k~5 35), 92521#(<= ULTIMATE.start_main_~k~5 38), 92520#(<= ULTIMATE.start_main_~k~5 37), 92523#(<= ULTIMATE.start_main_~k~5 40), 92522#(<= ULTIMATE.start_main_~k~5 39), 92525#(<= ULTIMATE.start_main_~k~5 42), 92524#(<= ULTIMATE.start_main_~k~5 41), 92527#(<= ULTIMATE.start_main_~k~5 44), 92526#(<= ULTIMATE.start_main_~k~5 43), 92529#(<= ULTIMATE.start_main_~k~5 46), 92528#(<= ULTIMATE.start_main_~k~5 45), 92531#(<= ULTIMATE.start_main_~k~5 48), 92530#(<= ULTIMATE.start_main_~k~5 47), 92533#(<= ULTIMATE.start_main_~k~5 50), 92532#(<= ULTIMATE.start_main_~k~5 49), 92535#(<= ULTIMATE.start_main_~k~5 52), 92534#(<= ULTIMATE.start_main_~k~5 51), 92537#(<= ULTIMATE.start_main_~k~5 54), 92536#(<= ULTIMATE.start_main_~k~5 53), 92539#(<= ULTIMATE.start_main_~k~5 56), 92538#(<= ULTIMATE.start_main_~k~5 55), 92541#(<= ULTIMATE.start_main_~k~5 58), 92540#(<= ULTIMATE.start_main_~k~5 57), 92543#(<= ULTIMATE.start_main_~k~5 60), 92542#(<= ULTIMATE.start_main_~k~5 59), 92545#(<= ULTIMATE.start_main_~k~5 62), 92544#(<= ULTIMATE.start_main_~k~5 61), 92547#(<= ULTIMATE.start_main_~k~5 64), 92546#(<= ULTIMATE.start_main_~k~5 63), 92549#(<= ULTIMATE.start_main_~k~5 66), 92548#(<= ULTIMATE.start_main_~k~5 65), 92551#(<= ULTIMATE.start_main_~k~5 68), 92550#(<= ULTIMATE.start_main_~k~5 67), 92553#(<= ULTIMATE.start_main_~k~5 70), 92552#(<= ULTIMATE.start_main_~k~5 69), 92555#(<= ULTIMATE.start_main_~k~5 72), 92554#(<= ULTIMATE.start_main_~k~5 71), 92557#(<= ULTIMATE.start_main_~k~5 74), 92556#(<= ULTIMATE.start_main_~k~5 73), 92559#(<= ULTIMATE.start_main_~k~5 76), 92558#(<= ULTIMATE.start_main_~k~5 75), 92561#(<= ULTIMATE.start_main_~k~5 78), 92560#(<= ULTIMATE.start_main_~k~5 77), 92563#(<= ULTIMATE.start_main_~k~5 80), 92562#(<= ULTIMATE.start_main_~k~5 79), 92565#(<= ULTIMATE.start_main_~k~5 82), 92564#(<= ULTIMATE.start_main_~k~5 81), 92567#(<= ULTIMATE.start_main_~k~5 84), 92566#(<= ULTIMATE.start_main_~k~5 83), 92569#(<= ULTIMATE.start_main_~k~5 86), 92568#(<= ULTIMATE.start_main_~k~5 85), 92571#(<= ULTIMATE.start_main_~k~5 88), 92570#(<= ULTIMATE.start_main_~k~5 87), 92573#(<= ULTIMATE.start_main_~k~5 90), 92572#(<= ULTIMATE.start_main_~k~5 89), 92575#(<= ULTIMATE.start_main_~k~5 92), 92574#(<= ULTIMATE.start_main_~k~5 91), 92577#(<= ULTIMATE.start_main_~k~5 94), 92576#(<= ULTIMATE.start_main_~k~5 93), 92579#(<= ULTIMATE.start_main_~k~5 96), 92578#(<= ULTIMATE.start_main_~k~5 95), 92581#(<= ULTIMATE.start_main_~k~5 98), 92580#(<= ULTIMATE.start_main_~k~5 97), 92583#(<= ULTIMATE.start_main_~k~5 100), 92582#(<= ULTIMATE.start_main_~k~5 99), 92585#(<= ULTIMATE.start_main_~k~5 102), 92584#(<= ULTIMATE.start_main_~k~5 101), 92587#(<= ULTIMATE.start_main_~k~5 104), 92586#(<= ULTIMATE.start_main_~k~5 103), 92589#(<= ULTIMATE.start_main_~k~5 106), 92588#(<= ULTIMATE.start_main_~k~5 105), 92591#(<= ULTIMATE.start_main_~k~5 108), 92590#(<= ULTIMATE.start_main_~k~5 107), 92593#(<= ULTIMATE.start_main_~k~5 110), 92592#(<= ULTIMATE.start_main_~k~5 109), 92595#(<= ULTIMATE.start_main_~k~5 112), 92594#(<= ULTIMATE.start_main_~k~5 111), 92597#(<= ULTIMATE.start_main_~k~5 114), 92596#(<= ULTIMATE.start_main_~k~5 113), 92599#(<= ULTIMATE.start_main_~k~5 116), 92598#(<= ULTIMATE.start_main_~k~5 115), 92601#(<= ULTIMATE.start_main_~k~5 118), 92600#(<= ULTIMATE.start_main_~k~5 117), 92603#(<= ULTIMATE.start_main_~k~5 120), 92602#(<= ULTIMATE.start_main_~k~5 119), 92605#(<= ULTIMATE.start_main_~k~5 122), 92604#(<= ULTIMATE.start_main_~k~5 121), 92607#(<= ULTIMATE.start_main_~k~5 124), 92606#(<= ULTIMATE.start_main_~k~5 123), 92609#(<= ULTIMATE.start_main_~k~5 126), 92608#(<= ULTIMATE.start_main_~k~5 125), 92611#(<= ULTIMATE.start_main_~k~5 128), 92610#(<= ULTIMATE.start_main_~k~5 127), 92613#(<= ULTIMATE.start_main_~k~5 130), 92612#(<= ULTIMATE.start_main_~k~5 129), 92615#(<= ULTIMATE.start_main_~k~5 132), 92614#(<= ULTIMATE.start_main_~k~5 131), 92617#(<= ULTIMATE.start_main_~k~5 134), 92616#(<= ULTIMATE.start_main_~k~5 133), 92619#(<= ULTIMATE.start_main_~k~5 136), 92618#(<= ULTIMATE.start_main_~k~5 135), 92621#(<= ULTIMATE.start_main_~k~5 138), 92620#(<= ULTIMATE.start_main_~k~5 137), 92623#(<= ULTIMATE.start_main_~k~5 140), 92622#(<= ULTIMATE.start_main_~k~5 139)] [2018-07-23 13:46:25,970 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 13:46:25,970 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:46:25,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:46:25,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:46:25,972 INFO L87 Difference]: Start difference. First operand 285 states and 285 transitions. Second operand 143 states. [2018-07-23 13:46:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:26,438 INFO L93 Difference]: Finished difference Result 289 states and 289 transitions. [2018-07-23 13:46:26,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:46:26,439 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 284 [2018-07-23 13:46:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:26,439 INFO L225 Difference]: With dead ends: 289 [2018-07-23 13:46:26,440 INFO L226 Difference]: Without dead ends: 287 [2018-07-23 13:46:26,441 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:46:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-07-23 13:46:26,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-07-23 13:46:26,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-07-23 13:46:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 287 transitions. [2018-07-23 13:46:26,445 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 287 transitions. Word has length 284 [2018-07-23 13:46:26,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:26,446 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 287 transitions. [2018-07-23 13:46:26,446 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:46:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 287 transitions. [2018-07-23 13:46:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-07-23 13:46:26,447 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:26,447 INFO L357 BasicCegarLoop]: trace histogram [142, 141, 1, 1, 1] [2018-07-23 13:46:26,447 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:26,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1759484985, now seen corresponding path program 141 times [2018-07-23 13:46:26,448 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:27,529 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 13:46:27,529 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:27,529 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:46:27,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,530 INFO L185 omatonBuilderFactory]: Interpolants [93777#false, 93776#true, 93779#(<= ULTIMATE.start_main_~k~5 1), 93778#(<= ULTIMATE.start_main_~k~5 0), 93781#(<= ULTIMATE.start_main_~k~5 3), 93780#(<= ULTIMATE.start_main_~k~5 2), 93783#(<= ULTIMATE.start_main_~k~5 5), 93782#(<= ULTIMATE.start_main_~k~5 4), 93785#(<= ULTIMATE.start_main_~k~5 7), 93784#(<= ULTIMATE.start_main_~k~5 6), 93787#(<= ULTIMATE.start_main_~k~5 9), 93786#(<= ULTIMATE.start_main_~k~5 8), 93789#(<= ULTIMATE.start_main_~k~5 11), 93788#(<= ULTIMATE.start_main_~k~5 10), 93791#(<= ULTIMATE.start_main_~k~5 13), 93790#(<= ULTIMATE.start_main_~k~5 12), 93793#(<= ULTIMATE.start_main_~k~5 15), 93792#(<= ULTIMATE.start_main_~k~5 14), 93795#(<= ULTIMATE.start_main_~k~5 17), 93794#(<= ULTIMATE.start_main_~k~5 16), 93797#(<= ULTIMATE.start_main_~k~5 19), 93796#(<= ULTIMATE.start_main_~k~5 18), 93799#(<= ULTIMATE.start_main_~k~5 21), 93798#(<= ULTIMATE.start_main_~k~5 20), 93801#(<= ULTIMATE.start_main_~k~5 23), 93800#(<= ULTIMATE.start_main_~k~5 22), 93803#(<= ULTIMATE.start_main_~k~5 25), 93802#(<= ULTIMATE.start_main_~k~5 24), 93805#(<= ULTIMATE.start_main_~k~5 27), 93804#(<= ULTIMATE.start_main_~k~5 26), 93807#(<= ULTIMATE.start_main_~k~5 29), 93806#(<= ULTIMATE.start_main_~k~5 28), 93809#(<= ULTIMATE.start_main_~k~5 31), 93808#(<= ULTIMATE.start_main_~k~5 30), 93811#(<= ULTIMATE.start_main_~k~5 33), 93810#(<= ULTIMATE.start_main_~k~5 32), 93813#(<= ULTIMATE.start_main_~k~5 35), 93812#(<= ULTIMATE.start_main_~k~5 34), 93815#(<= ULTIMATE.start_main_~k~5 37), 93814#(<= ULTIMATE.start_main_~k~5 36), 93817#(<= ULTIMATE.start_main_~k~5 39), 93816#(<= ULTIMATE.start_main_~k~5 38), 93819#(<= ULTIMATE.start_main_~k~5 41), 93818#(<= ULTIMATE.start_main_~k~5 40), 93821#(<= ULTIMATE.start_main_~k~5 43), 93820#(<= ULTIMATE.start_main_~k~5 42), 93823#(<= ULTIMATE.start_main_~k~5 45), 93822#(<= ULTIMATE.start_main_~k~5 44), 93825#(<= ULTIMATE.start_main_~k~5 47), 93824#(<= ULTIMATE.start_main_~k~5 46), 93827#(<= ULTIMATE.start_main_~k~5 49), 93826#(<= ULTIMATE.start_main_~k~5 48), 93829#(<= ULTIMATE.start_main_~k~5 51), 93828#(<= ULTIMATE.start_main_~k~5 50), 93831#(<= ULTIMATE.start_main_~k~5 53), 93830#(<= ULTIMATE.start_main_~k~5 52), 93833#(<= ULTIMATE.start_main_~k~5 55), 93832#(<= ULTIMATE.start_main_~k~5 54), 93835#(<= ULTIMATE.start_main_~k~5 57), 93834#(<= ULTIMATE.start_main_~k~5 56), 93837#(<= ULTIMATE.start_main_~k~5 59), 93836#(<= ULTIMATE.start_main_~k~5 58), 93839#(<= ULTIMATE.start_main_~k~5 61), 93838#(<= ULTIMATE.start_main_~k~5 60), 93841#(<= ULTIMATE.start_main_~k~5 63), 93840#(<= ULTIMATE.start_main_~k~5 62), 93843#(<= ULTIMATE.start_main_~k~5 65), 93842#(<= ULTIMATE.start_main_~k~5 64), 93845#(<= ULTIMATE.start_main_~k~5 67), 93844#(<= ULTIMATE.start_main_~k~5 66), 93847#(<= ULTIMATE.start_main_~k~5 69), 93846#(<= ULTIMATE.start_main_~k~5 68), 93849#(<= ULTIMATE.start_main_~k~5 71), 93848#(<= ULTIMATE.start_main_~k~5 70), 93851#(<= ULTIMATE.start_main_~k~5 73), 93850#(<= ULTIMATE.start_main_~k~5 72), 93853#(<= ULTIMATE.start_main_~k~5 75), 93852#(<= ULTIMATE.start_main_~k~5 74), 93855#(<= ULTIMATE.start_main_~k~5 77), 93854#(<= ULTIMATE.start_main_~k~5 76), 93857#(<= ULTIMATE.start_main_~k~5 79), 93856#(<= ULTIMATE.start_main_~k~5 78), 93859#(<= ULTIMATE.start_main_~k~5 81), 93858#(<= ULTIMATE.start_main_~k~5 80), 93861#(<= ULTIMATE.start_main_~k~5 83), 93860#(<= ULTIMATE.start_main_~k~5 82), 93863#(<= ULTIMATE.start_main_~k~5 85), 93862#(<= ULTIMATE.start_main_~k~5 84), 93865#(<= ULTIMATE.start_main_~k~5 87), 93864#(<= ULTIMATE.start_main_~k~5 86), 93867#(<= ULTIMATE.start_main_~k~5 89), 93866#(<= ULTIMATE.start_main_~k~5 88), 93869#(<= ULTIMATE.start_main_~k~5 91), 93868#(<= ULTIMATE.start_main_~k~5 90), 93871#(<= ULTIMATE.start_main_~k~5 93), 93870#(<= ULTIMATE.start_main_~k~5 92), 93873#(<= ULTIMATE.start_main_~k~5 95), 93872#(<= ULTIMATE.start_main_~k~5 94), 93875#(<= ULTIMATE.start_main_~k~5 97), 93874#(<= ULTIMATE.start_main_~k~5 96), 93877#(<= ULTIMATE.start_main_~k~5 99), 93876#(<= ULTIMATE.start_main_~k~5 98), 93879#(<= ULTIMATE.start_main_~k~5 101), 93878#(<= ULTIMATE.start_main_~k~5 100), 93881#(<= ULTIMATE.start_main_~k~5 103), 93880#(<= ULTIMATE.start_main_~k~5 102), 93883#(<= ULTIMATE.start_main_~k~5 105), 93882#(<= ULTIMATE.start_main_~k~5 104), 93885#(<= ULTIMATE.start_main_~k~5 107), 93884#(<= ULTIMATE.start_main_~k~5 106), 93887#(<= ULTIMATE.start_main_~k~5 109), 93886#(<= ULTIMATE.start_main_~k~5 108), 93889#(<= ULTIMATE.start_main_~k~5 111), 93888#(<= ULTIMATE.start_main_~k~5 110), 93891#(<= ULTIMATE.start_main_~k~5 113), 93890#(<= ULTIMATE.start_main_~k~5 112), 93893#(<= ULTIMATE.start_main_~k~5 115), 93892#(<= ULTIMATE.start_main_~k~5 114), 93895#(<= ULTIMATE.start_main_~k~5 117), 93894#(<= ULTIMATE.start_main_~k~5 116), 93897#(<= ULTIMATE.start_main_~k~5 119), 93896#(<= ULTIMATE.start_main_~k~5 118), 93899#(<= ULTIMATE.start_main_~k~5 121), 93898#(<= ULTIMATE.start_main_~k~5 120), 93901#(<= ULTIMATE.start_main_~k~5 123), 93900#(<= ULTIMATE.start_main_~k~5 122), 93903#(<= ULTIMATE.start_main_~k~5 125), 93902#(<= ULTIMATE.start_main_~k~5 124), 93905#(<= ULTIMATE.start_main_~k~5 127), 93904#(<= ULTIMATE.start_main_~k~5 126), 93907#(<= ULTIMATE.start_main_~k~5 129), 93906#(<= ULTIMATE.start_main_~k~5 128), 93909#(<= ULTIMATE.start_main_~k~5 131), 93908#(<= ULTIMATE.start_main_~k~5 130), 93911#(<= ULTIMATE.start_main_~k~5 133), 93910#(<= ULTIMATE.start_main_~k~5 132), 93913#(<= ULTIMATE.start_main_~k~5 135), 93912#(<= ULTIMATE.start_main_~k~5 134), 93915#(<= ULTIMATE.start_main_~k~5 137), 93914#(<= ULTIMATE.start_main_~k~5 136), 93917#(<= ULTIMATE.start_main_~k~5 139), 93916#(<= ULTIMATE.start_main_~k~5 138), 93919#(<= ULTIMATE.start_main_~k~5 141), 93918#(<= ULTIMATE.start_main_~k~5 140)] [2018-07-23 13:46:27,531 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 13:46:27,531 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:46:27,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:46:27,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:46:27,534 INFO L87 Difference]: Start difference. First operand 287 states and 287 transitions. Second operand 144 states. [2018-07-23 13:46:28,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:28,091 INFO L93 Difference]: Finished difference Result 291 states and 291 transitions. [2018-07-23 13:46:28,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:46:28,092 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 286 [2018-07-23 13:46:28,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:28,092 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:46:28,092 INFO L226 Difference]: Without dead ends: 289 [2018-07-23 13:46:28,094 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:46:28,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-07-23 13:46:28,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2018-07-23 13:46:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-07-23 13:46:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 289 transitions. [2018-07-23 13:46:28,099 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 289 transitions. Word has length 286 [2018-07-23 13:46:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:28,099 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 289 transitions. [2018-07-23 13:46:28,099 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:46:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 289 transitions. [2018-07-23 13:46:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-07-23 13:46:28,100 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:28,100 INFO L357 BasicCegarLoop]: trace histogram [143, 142, 1, 1, 1] [2018-07-23 13:46:28,101 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:28,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1351991949, now seen corresponding path program 142 times [2018-07-23 13:46:28,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:29,230 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 13:46:29,230 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:29,231 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:46:29,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:29,231 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 13:46:29,232 INFO L185 omatonBuilderFactory]: Interpolants [95081#false, 95080#true, 95083#(<= ULTIMATE.start_main_~k~5 1), 95082#(<= ULTIMATE.start_main_~k~5 0), 95085#(<= ULTIMATE.start_main_~k~5 3), 95084#(<= ULTIMATE.start_main_~k~5 2), 95087#(<= ULTIMATE.start_main_~k~5 5), 95086#(<= ULTIMATE.start_main_~k~5 4), 95089#(<= ULTIMATE.start_main_~k~5 7), 95088#(<= ULTIMATE.start_main_~k~5 6), 95091#(<= ULTIMATE.start_main_~k~5 9), 95090#(<= ULTIMATE.start_main_~k~5 8), 95093#(<= ULTIMATE.start_main_~k~5 11), 95092#(<= ULTIMATE.start_main_~k~5 10), 95095#(<= ULTIMATE.start_main_~k~5 13), 95094#(<= ULTIMATE.start_main_~k~5 12), 95097#(<= ULTIMATE.start_main_~k~5 15), 95096#(<= ULTIMATE.start_main_~k~5 14), 95099#(<= ULTIMATE.start_main_~k~5 17), 95098#(<= ULTIMATE.start_main_~k~5 16), 95101#(<= ULTIMATE.start_main_~k~5 19), 95100#(<= ULTIMATE.start_main_~k~5 18), 95103#(<= ULTIMATE.start_main_~k~5 21), 95102#(<= ULTIMATE.start_main_~k~5 20), 95105#(<= ULTIMATE.start_main_~k~5 23), 95104#(<= ULTIMATE.start_main_~k~5 22), 95107#(<= ULTIMATE.start_main_~k~5 25), 95106#(<= ULTIMATE.start_main_~k~5 24), 95109#(<= ULTIMATE.start_main_~k~5 27), 95108#(<= ULTIMATE.start_main_~k~5 26), 95111#(<= ULTIMATE.start_main_~k~5 29), 95110#(<= ULTIMATE.start_main_~k~5 28), 95113#(<= ULTIMATE.start_main_~k~5 31), 95112#(<= ULTIMATE.start_main_~k~5 30), 95115#(<= ULTIMATE.start_main_~k~5 33), 95114#(<= ULTIMATE.start_main_~k~5 32), 95117#(<= ULTIMATE.start_main_~k~5 35), 95116#(<= ULTIMATE.start_main_~k~5 34), 95119#(<= ULTIMATE.start_main_~k~5 37), 95118#(<= ULTIMATE.start_main_~k~5 36), 95121#(<= ULTIMATE.start_main_~k~5 39), 95120#(<= ULTIMATE.start_main_~k~5 38), 95123#(<= ULTIMATE.start_main_~k~5 41), 95122#(<= ULTIMATE.start_main_~k~5 40), 95125#(<= ULTIMATE.start_main_~k~5 43), 95124#(<= ULTIMATE.start_main_~k~5 42), 95127#(<= ULTIMATE.start_main_~k~5 45), 95126#(<= ULTIMATE.start_main_~k~5 44), 95129#(<= ULTIMATE.start_main_~k~5 47), 95128#(<= ULTIMATE.start_main_~k~5 46), 95131#(<= ULTIMATE.start_main_~k~5 49), 95130#(<= ULTIMATE.start_main_~k~5 48), 95133#(<= ULTIMATE.start_main_~k~5 51), 95132#(<= ULTIMATE.start_main_~k~5 50), 95135#(<= ULTIMATE.start_main_~k~5 53), 95134#(<= ULTIMATE.start_main_~k~5 52), 95137#(<= ULTIMATE.start_main_~k~5 55), 95136#(<= ULTIMATE.start_main_~k~5 54), 95139#(<= ULTIMATE.start_main_~k~5 57), 95138#(<= ULTIMATE.start_main_~k~5 56), 95141#(<= ULTIMATE.start_main_~k~5 59), 95140#(<= ULTIMATE.start_main_~k~5 58), 95143#(<= ULTIMATE.start_main_~k~5 61), 95142#(<= ULTIMATE.start_main_~k~5 60), 95145#(<= ULTIMATE.start_main_~k~5 63), 95144#(<= ULTIMATE.start_main_~k~5 62), 95147#(<= ULTIMATE.start_main_~k~5 65), 95146#(<= ULTIMATE.start_main_~k~5 64), 95149#(<= ULTIMATE.start_main_~k~5 67), 95148#(<= ULTIMATE.start_main_~k~5 66), 95151#(<= ULTIMATE.start_main_~k~5 69), 95150#(<= ULTIMATE.start_main_~k~5 68), 95153#(<= ULTIMATE.start_main_~k~5 71), 95152#(<= ULTIMATE.start_main_~k~5 70), 95155#(<= ULTIMATE.start_main_~k~5 73), 95154#(<= ULTIMATE.start_main_~k~5 72), 95157#(<= ULTIMATE.start_main_~k~5 75), 95156#(<= ULTIMATE.start_main_~k~5 74), 95159#(<= ULTIMATE.start_main_~k~5 77), 95158#(<= ULTIMATE.start_main_~k~5 76), 95161#(<= ULTIMATE.start_main_~k~5 79), 95160#(<= ULTIMATE.start_main_~k~5 78), 95163#(<= ULTIMATE.start_main_~k~5 81), 95162#(<= ULTIMATE.start_main_~k~5 80), 95165#(<= ULTIMATE.start_main_~k~5 83), 95164#(<= ULTIMATE.start_main_~k~5 82), 95167#(<= ULTIMATE.start_main_~k~5 85), 95166#(<= ULTIMATE.start_main_~k~5 84), 95169#(<= ULTIMATE.start_main_~k~5 87), 95168#(<= ULTIMATE.start_main_~k~5 86), 95171#(<= ULTIMATE.start_main_~k~5 89), 95170#(<= ULTIMATE.start_main_~k~5 88), 95173#(<= ULTIMATE.start_main_~k~5 91), 95172#(<= ULTIMATE.start_main_~k~5 90), 95175#(<= ULTIMATE.start_main_~k~5 93), 95174#(<= ULTIMATE.start_main_~k~5 92), 95177#(<= ULTIMATE.start_main_~k~5 95), 95176#(<= ULTIMATE.start_main_~k~5 94), 95179#(<= ULTIMATE.start_main_~k~5 97), 95178#(<= ULTIMATE.start_main_~k~5 96), 95181#(<= ULTIMATE.start_main_~k~5 99), 95180#(<= ULTIMATE.start_main_~k~5 98), 95183#(<= ULTIMATE.start_main_~k~5 101), 95182#(<= ULTIMATE.start_main_~k~5 100), 95185#(<= ULTIMATE.start_main_~k~5 103), 95184#(<= ULTIMATE.start_main_~k~5 102), 95187#(<= ULTIMATE.start_main_~k~5 105), 95186#(<= ULTIMATE.start_main_~k~5 104), 95189#(<= ULTIMATE.start_main_~k~5 107), 95188#(<= ULTIMATE.start_main_~k~5 106), 95191#(<= ULTIMATE.start_main_~k~5 109), 95190#(<= ULTIMATE.start_main_~k~5 108), 95193#(<= ULTIMATE.start_main_~k~5 111), 95192#(<= ULTIMATE.start_main_~k~5 110), 95195#(<= ULTIMATE.start_main_~k~5 113), 95194#(<= ULTIMATE.start_main_~k~5 112), 95197#(<= ULTIMATE.start_main_~k~5 115), 95196#(<= ULTIMATE.start_main_~k~5 114), 95199#(<= ULTIMATE.start_main_~k~5 117), 95198#(<= ULTIMATE.start_main_~k~5 116), 95201#(<= ULTIMATE.start_main_~k~5 119), 95200#(<= ULTIMATE.start_main_~k~5 118), 95203#(<= ULTIMATE.start_main_~k~5 121), 95202#(<= ULTIMATE.start_main_~k~5 120), 95205#(<= ULTIMATE.start_main_~k~5 123), 95204#(<= ULTIMATE.start_main_~k~5 122), 95207#(<= ULTIMATE.start_main_~k~5 125), 95206#(<= ULTIMATE.start_main_~k~5 124), 95209#(<= ULTIMATE.start_main_~k~5 127), 95208#(<= ULTIMATE.start_main_~k~5 126), 95211#(<= ULTIMATE.start_main_~k~5 129), 95210#(<= ULTIMATE.start_main_~k~5 128), 95213#(<= ULTIMATE.start_main_~k~5 131), 95212#(<= ULTIMATE.start_main_~k~5 130), 95215#(<= ULTIMATE.start_main_~k~5 133), 95214#(<= ULTIMATE.start_main_~k~5 132), 95217#(<= ULTIMATE.start_main_~k~5 135), 95216#(<= ULTIMATE.start_main_~k~5 134), 95219#(<= ULTIMATE.start_main_~k~5 137), 95218#(<= ULTIMATE.start_main_~k~5 136), 95221#(<= ULTIMATE.start_main_~k~5 139), 95220#(<= ULTIMATE.start_main_~k~5 138), 95223#(<= ULTIMATE.start_main_~k~5 141), 95222#(<= ULTIMATE.start_main_~k~5 140), 95224#(<= ULTIMATE.start_main_~k~5 142)] [2018-07-23 13:46:29,233 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 13:46:29,233 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:46:29,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:46:29,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:46:29,237 INFO L87 Difference]: Start difference. First operand 289 states and 289 transitions. Second operand 145 states. [2018-07-23 13:46:29,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:29,843 INFO L93 Difference]: Finished difference Result 293 states and 293 transitions. [2018-07-23 13:46:29,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:46:29,843 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 288 [2018-07-23 13:46:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:29,844 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:46:29,844 INFO L226 Difference]: Without dead ends: 291 [2018-07-23 13:46:29,846 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:46:29,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-07-23 13:46:29,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-07-23 13:46:29,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-07-23 13:46:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 291 transitions. [2018-07-23 13:46:29,851 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 291 transitions. Word has length 288 [2018-07-23 13:46:29,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:29,852 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 291 transitions. [2018-07-23 13:46:29,852 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:46:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 291 transitions. [2018-07-23 13:46:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-07-23 13:46:29,853 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:29,853 INFO L357 BasicCegarLoop]: trace histogram [144, 143, 1, 1, 1] [2018-07-23 13:46:29,853 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:29,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2110879789, now seen corresponding path program 143 times [2018-07-23 13:46:29,854 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:30,794 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 13:46:30,795 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:30,795 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:46:30,795 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:30,796 INFO L185 omatonBuilderFactory]: Interpolants [96513#(<= ULTIMATE.start_main_~k~5 118), 96512#(<= ULTIMATE.start_main_~k~5 117), 96515#(<= ULTIMATE.start_main_~k~5 120), 96514#(<= ULTIMATE.start_main_~k~5 119), 96517#(<= ULTIMATE.start_main_~k~5 122), 96516#(<= ULTIMATE.start_main_~k~5 121), 96519#(<= ULTIMATE.start_main_~k~5 124), 96518#(<= ULTIMATE.start_main_~k~5 123), 96521#(<= ULTIMATE.start_main_~k~5 126), 96520#(<= ULTIMATE.start_main_~k~5 125), 96523#(<= ULTIMATE.start_main_~k~5 128), 96522#(<= ULTIMATE.start_main_~k~5 127), 96525#(<= ULTIMATE.start_main_~k~5 130), 96524#(<= ULTIMATE.start_main_~k~5 129), 96527#(<= ULTIMATE.start_main_~k~5 132), 96526#(<= ULTIMATE.start_main_~k~5 131), 96529#(<= ULTIMATE.start_main_~k~5 134), 96528#(<= ULTIMATE.start_main_~k~5 133), 96531#(<= ULTIMATE.start_main_~k~5 136), 96530#(<= ULTIMATE.start_main_~k~5 135), 96533#(<= ULTIMATE.start_main_~k~5 138), 96532#(<= ULTIMATE.start_main_~k~5 137), 96535#(<= ULTIMATE.start_main_~k~5 140), 96534#(<= ULTIMATE.start_main_~k~5 139), 96537#(<= ULTIMATE.start_main_~k~5 142), 96536#(<= ULTIMATE.start_main_~k~5 141), 96538#(<= ULTIMATE.start_main_~k~5 143), 96393#true, 96395#(<= ULTIMATE.start_main_~k~5 0), 96394#false, 96397#(<= ULTIMATE.start_main_~k~5 2), 96396#(<= ULTIMATE.start_main_~k~5 1), 96399#(<= ULTIMATE.start_main_~k~5 4), 96398#(<= ULTIMATE.start_main_~k~5 3), 96401#(<= ULTIMATE.start_main_~k~5 6), 96400#(<= ULTIMATE.start_main_~k~5 5), 96403#(<= ULTIMATE.start_main_~k~5 8), 96402#(<= ULTIMATE.start_main_~k~5 7), 96405#(<= ULTIMATE.start_main_~k~5 10), 96404#(<= ULTIMATE.start_main_~k~5 9), 96407#(<= ULTIMATE.start_main_~k~5 12), 96406#(<= ULTIMATE.start_main_~k~5 11), 96409#(<= ULTIMATE.start_main_~k~5 14), 96408#(<= ULTIMATE.start_main_~k~5 13), 96411#(<= ULTIMATE.start_main_~k~5 16), 96410#(<= ULTIMATE.start_main_~k~5 15), 96413#(<= ULTIMATE.start_main_~k~5 18), 96412#(<= ULTIMATE.start_main_~k~5 17), 96415#(<= ULTIMATE.start_main_~k~5 20), 96414#(<= ULTIMATE.start_main_~k~5 19), 96417#(<= ULTIMATE.start_main_~k~5 22), 96416#(<= ULTIMATE.start_main_~k~5 21), 96419#(<= ULTIMATE.start_main_~k~5 24), 96418#(<= ULTIMATE.start_main_~k~5 23), 96421#(<= ULTIMATE.start_main_~k~5 26), 96420#(<= ULTIMATE.start_main_~k~5 25), 96423#(<= ULTIMATE.start_main_~k~5 28), 96422#(<= ULTIMATE.start_main_~k~5 27), 96425#(<= ULTIMATE.start_main_~k~5 30), 96424#(<= ULTIMATE.start_main_~k~5 29), 96427#(<= ULTIMATE.start_main_~k~5 32), 96426#(<= ULTIMATE.start_main_~k~5 31), 96429#(<= ULTIMATE.start_main_~k~5 34), 96428#(<= ULTIMATE.start_main_~k~5 33), 96431#(<= ULTIMATE.start_main_~k~5 36), 96430#(<= ULTIMATE.start_main_~k~5 35), 96433#(<= ULTIMATE.start_main_~k~5 38), 96432#(<= ULTIMATE.start_main_~k~5 37), 96435#(<= ULTIMATE.start_main_~k~5 40), 96434#(<= ULTIMATE.start_main_~k~5 39), 96437#(<= ULTIMATE.start_main_~k~5 42), 96436#(<= ULTIMATE.start_main_~k~5 41), 96439#(<= ULTIMATE.start_main_~k~5 44), 96438#(<= ULTIMATE.start_main_~k~5 43), 96441#(<= ULTIMATE.start_main_~k~5 46), 96440#(<= ULTIMATE.start_main_~k~5 45), 96443#(<= ULTIMATE.start_main_~k~5 48), 96442#(<= ULTIMATE.start_main_~k~5 47), 96445#(<= ULTIMATE.start_main_~k~5 50), 96444#(<= ULTIMATE.start_main_~k~5 49), 96447#(<= ULTIMATE.start_main_~k~5 52), 96446#(<= ULTIMATE.start_main_~k~5 51), 96449#(<= ULTIMATE.start_main_~k~5 54), 96448#(<= ULTIMATE.start_main_~k~5 53), 96451#(<= ULTIMATE.start_main_~k~5 56), 96450#(<= ULTIMATE.start_main_~k~5 55), 96453#(<= ULTIMATE.start_main_~k~5 58), 96452#(<= ULTIMATE.start_main_~k~5 57), 96455#(<= ULTIMATE.start_main_~k~5 60), 96454#(<= ULTIMATE.start_main_~k~5 59), 96457#(<= ULTIMATE.start_main_~k~5 62), 96456#(<= ULTIMATE.start_main_~k~5 61), 96459#(<= ULTIMATE.start_main_~k~5 64), 96458#(<= ULTIMATE.start_main_~k~5 63), 96461#(<= ULTIMATE.start_main_~k~5 66), 96460#(<= ULTIMATE.start_main_~k~5 65), 96463#(<= ULTIMATE.start_main_~k~5 68), 96462#(<= ULTIMATE.start_main_~k~5 67), 96465#(<= ULTIMATE.start_main_~k~5 70), 96464#(<= ULTIMATE.start_main_~k~5 69), 96467#(<= ULTIMATE.start_main_~k~5 72), 96466#(<= ULTIMATE.start_main_~k~5 71), 96469#(<= ULTIMATE.start_main_~k~5 74), 96468#(<= ULTIMATE.start_main_~k~5 73), 96471#(<= ULTIMATE.start_main_~k~5 76), 96470#(<= ULTIMATE.start_main_~k~5 75), 96473#(<= ULTIMATE.start_main_~k~5 78), 96472#(<= ULTIMATE.start_main_~k~5 77), 96475#(<= ULTIMATE.start_main_~k~5 80), 96474#(<= ULTIMATE.start_main_~k~5 79), 96477#(<= ULTIMATE.start_main_~k~5 82), 96476#(<= ULTIMATE.start_main_~k~5 81), 96479#(<= ULTIMATE.start_main_~k~5 84), 96478#(<= ULTIMATE.start_main_~k~5 83), 96481#(<= ULTIMATE.start_main_~k~5 86), 96480#(<= ULTIMATE.start_main_~k~5 85), 96483#(<= ULTIMATE.start_main_~k~5 88), 96482#(<= ULTIMATE.start_main_~k~5 87), 96485#(<= ULTIMATE.start_main_~k~5 90), 96484#(<= ULTIMATE.start_main_~k~5 89), 96487#(<= ULTIMATE.start_main_~k~5 92), 96486#(<= ULTIMATE.start_main_~k~5 91), 96489#(<= ULTIMATE.start_main_~k~5 94), 96488#(<= ULTIMATE.start_main_~k~5 93), 96491#(<= ULTIMATE.start_main_~k~5 96), 96490#(<= ULTIMATE.start_main_~k~5 95), 96493#(<= ULTIMATE.start_main_~k~5 98), 96492#(<= ULTIMATE.start_main_~k~5 97), 96495#(<= ULTIMATE.start_main_~k~5 100), 96494#(<= ULTIMATE.start_main_~k~5 99), 96497#(<= ULTIMATE.start_main_~k~5 102), 96496#(<= ULTIMATE.start_main_~k~5 101), 96499#(<= ULTIMATE.start_main_~k~5 104), 96498#(<= ULTIMATE.start_main_~k~5 103), 96501#(<= ULTIMATE.start_main_~k~5 106), 96500#(<= ULTIMATE.start_main_~k~5 105), 96503#(<= ULTIMATE.start_main_~k~5 108), 96502#(<= ULTIMATE.start_main_~k~5 107), 96505#(<= ULTIMATE.start_main_~k~5 110), 96504#(<= ULTIMATE.start_main_~k~5 109), 96507#(<= ULTIMATE.start_main_~k~5 112), 96506#(<= ULTIMATE.start_main_~k~5 111), 96509#(<= ULTIMATE.start_main_~k~5 114), 96508#(<= ULTIMATE.start_main_~k~5 113), 96511#(<= ULTIMATE.start_main_~k~5 116), 96510#(<= ULTIMATE.start_main_~k~5 115)] [2018-07-23 13:46:30,797 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 13:46:30,797 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:46:30,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:46:30,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:46:30,799 INFO L87 Difference]: Start difference. First operand 291 states and 291 transitions. Second operand 146 states. [2018-07-23 13:46:31,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:31,186 INFO L93 Difference]: Finished difference Result 295 states and 295 transitions. [2018-07-23 13:46:31,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:46:31,187 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 290 [2018-07-23 13:46:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:31,187 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:46:31,187 INFO L226 Difference]: Without dead ends: 293 [2018-07-23 13:46:31,189 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:46:31,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-07-23 13:46:31,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-07-23 13:46:31,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-07-23 13:46:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 293 transitions. [2018-07-23 13:46:31,193 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 293 transitions. Word has length 290 [2018-07-23 13:46:31,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:31,193 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 293 transitions. [2018-07-23 13:46:31,193 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:46:31,193 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 293 transitions. [2018-07-23 13:46:31,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-23 13:46:31,194 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:31,195 INFO L357 BasicCegarLoop]: trace histogram [145, 144, 1, 1, 1] [2018-07-23 13:46:31,195 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:31,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1330965607, now seen corresponding path program 144 times [2018-07-23 13:46:31,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:32,132 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 13:46:32,132 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:32,133 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:46:32,133 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,133 INFO L185 omatonBuilderFactory]: Interpolants [97793#(<= ULTIMATE.start_main_~k~5 76), 97792#(<= ULTIMATE.start_main_~k~5 75), 97795#(<= ULTIMATE.start_main_~k~5 78), 97794#(<= ULTIMATE.start_main_~k~5 77), 97797#(<= ULTIMATE.start_main_~k~5 80), 97796#(<= ULTIMATE.start_main_~k~5 79), 97799#(<= ULTIMATE.start_main_~k~5 82), 97798#(<= ULTIMATE.start_main_~k~5 81), 97801#(<= ULTIMATE.start_main_~k~5 84), 97800#(<= ULTIMATE.start_main_~k~5 83), 97803#(<= ULTIMATE.start_main_~k~5 86), 97802#(<= ULTIMATE.start_main_~k~5 85), 97805#(<= ULTIMATE.start_main_~k~5 88), 97804#(<= ULTIMATE.start_main_~k~5 87), 97807#(<= ULTIMATE.start_main_~k~5 90), 97806#(<= ULTIMATE.start_main_~k~5 89), 97809#(<= ULTIMATE.start_main_~k~5 92), 97808#(<= ULTIMATE.start_main_~k~5 91), 97811#(<= ULTIMATE.start_main_~k~5 94), 97810#(<= ULTIMATE.start_main_~k~5 93), 97813#(<= ULTIMATE.start_main_~k~5 96), 97812#(<= ULTIMATE.start_main_~k~5 95), 97815#(<= ULTIMATE.start_main_~k~5 98), 97814#(<= ULTIMATE.start_main_~k~5 97), 97817#(<= ULTIMATE.start_main_~k~5 100), 97816#(<= ULTIMATE.start_main_~k~5 99), 97819#(<= ULTIMATE.start_main_~k~5 102), 97818#(<= ULTIMATE.start_main_~k~5 101), 97821#(<= ULTIMATE.start_main_~k~5 104), 97820#(<= ULTIMATE.start_main_~k~5 103), 97823#(<= ULTIMATE.start_main_~k~5 106), 97822#(<= ULTIMATE.start_main_~k~5 105), 97825#(<= ULTIMATE.start_main_~k~5 108), 97824#(<= ULTIMATE.start_main_~k~5 107), 97827#(<= ULTIMATE.start_main_~k~5 110), 97826#(<= ULTIMATE.start_main_~k~5 109), 97829#(<= ULTIMATE.start_main_~k~5 112), 97828#(<= ULTIMATE.start_main_~k~5 111), 97831#(<= ULTIMATE.start_main_~k~5 114), 97830#(<= ULTIMATE.start_main_~k~5 113), 97833#(<= ULTIMATE.start_main_~k~5 116), 97832#(<= ULTIMATE.start_main_~k~5 115), 97835#(<= ULTIMATE.start_main_~k~5 118), 97834#(<= ULTIMATE.start_main_~k~5 117), 97837#(<= ULTIMATE.start_main_~k~5 120), 97836#(<= ULTIMATE.start_main_~k~5 119), 97839#(<= ULTIMATE.start_main_~k~5 122), 97838#(<= ULTIMATE.start_main_~k~5 121), 97841#(<= ULTIMATE.start_main_~k~5 124), 97840#(<= ULTIMATE.start_main_~k~5 123), 97843#(<= ULTIMATE.start_main_~k~5 126), 97842#(<= ULTIMATE.start_main_~k~5 125), 97845#(<= ULTIMATE.start_main_~k~5 128), 97844#(<= ULTIMATE.start_main_~k~5 127), 97847#(<= ULTIMATE.start_main_~k~5 130), 97846#(<= ULTIMATE.start_main_~k~5 129), 97849#(<= ULTIMATE.start_main_~k~5 132), 97848#(<= ULTIMATE.start_main_~k~5 131), 97851#(<= ULTIMATE.start_main_~k~5 134), 97850#(<= ULTIMATE.start_main_~k~5 133), 97853#(<= ULTIMATE.start_main_~k~5 136), 97852#(<= ULTIMATE.start_main_~k~5 135), 97855#(<= ULTIMATE.start_main_~k~5 138), 97854#(<= ULTIMATE.start_main_~k~5 137), 97857#(<= ULTIMATE.start_main_~k~5 140), 97856#(<= ULTIMATE.start_main_~k~5 139), 97859#(<= ULTIMATE.start_main_~k~5 142), 97858#(<= ULTIMATE.start_main_~k~5 141), 97861#(<= ULTIMATE.start_main_~k~5 144), 97860#(<= ULTIMATE.start_main_~k~5 143), 97715#true, 97717#(<= ULTIMATE.start_main_~k~5 0), 97716#false, 97719#(<= ULTIMATE.start_main_~k~5 2), 97718#(<= ULTIMATE.start_main_~k~5 1), 97721#(<= ULTIMATE.start_main_~k~5 4), 97720#(<= ULTIMATE.start_main_~k~5 3), 97723#(<= ULTIMATE.start_main_~k~5 6), 97722#(<= ULTIMATE.start_main_~k~5 5), 97725#(<= ULTIMATE.start_main_~k~5 8), 97724#(<= ULTIMATE.start_main_~k~5 7), 97727#(<= ULTIMATE.start_main_~k~5 10), 97726#(<= ULTIMATE.start_main_~k~5 9), 97729#(<= ULTIMATE.start_main_~k~5 12), 97728#(<= ULTIMATE.start_main_~k~5 11), 97731#(<= ULTIMATE.start_main_~k~5 14), 97730#(<= ULTIMATE.start_main_~k~5 13), 97733#(<= ULTIMATE.start_main_~k~5 16), 97732#(<= ULTIMATE.start_main_~k~5 15), 97735#(<= ULTIMATE.start_main_~k~5 18), 97734#(<= ULTIMATE.start_main_~k~5 17), 97737#(<= ULTIMATE.start_main_~k~5 20), 97736#(<= ULTIMATE.start_main_~k~5 19), 97739#(<= ULTIMATE.start_main_~k~5 22), 97738#(<= ULTIMATE.start_main_~k~5 21), 97741#(<= ULTIMATE.start_main_~k~5 24), 97740#(<= ULTIMATE.start_main_~k~5 23), 97743#(<= ULTIMATE.start_main_~k~5 26), 97742#(<= ULTIMATE.start_main_~k~5 25), 97745#(<= ULTIMATE.start_main_~k~5 28), 97744#(<= ULTIMATE.start_main_~k~5 27), 97747#(<= ULTIMATE.start_main_~k~5 30), 97746#(<= ULTIMATE.start_main_~k~5 29), 97749#(<= ULTIMATE.start_main_~k~5 32), 97748#(<= ULTIMATE.start_main_~k~5 31), 97751#(<= ULTIMATE.start_main_~k~5 34), 97750#(<= ULTIMATE.start_main_~k~5 33), 97753#(<= ULTIMATE.start_main_~k~5 36), 97752#(<= ULTIMATE.start_main_~k~5 35), 97755#(<= ULTIMATE.start_main_~k~5 38), 97754#(<= ULTIMATE.start_main_~k~5 37), 97757#(<= ULTIMATE.start_main_~k~5 40), 97756#(<= ULTIMATE.start_main_~k~5 39), 97759#(<= ULTIMATE.start_main_~k~5 42), 97758#(<= ULTIMATE.start_main_~k~5 41), 97761#(<= ULTIMATE.start_main_~k~5 44), 97760#(<= ULTIMATE.start_main_~k~5 43), 97763#(<= ULTIMATE.start_main_~k~5 46), 97762#(<= ULTIMATE.start_main_~k~5 45), 97765#(<= ULTIMATE.start_main_~k~5 48), 97764#(<= ULTIMATE.start_main_~k~5 47), 97767#(<= ULTIMATE.start_main_~k~5 50), 97766#(<= ULTIMATE.start_main_~k~5 49), 97769#(<= ULTIMATE.start_main_~k~5 52), 97768#(<= ULTIMATE.start_main_~k~5 51), 97771#(<= ULTIMATE.start_main_~k~5 54), 97770#(<= ULTIMATE.start_main_~k~5 53), 97773#(<= ULTIMATE.start_main_~k~5 56), 97772#(<= ULTIMATE.start_main_~k~5 55), 97775#(<= ULTIMATE.start_main_~k~5 58), 97774#(<= ULTIMATE.start_main_~k~5 57), 97777#(<= ULTIMATE.start_main_~k~5 60), 97776#(<= ULTIMATE.start_main_~k~5 59), 97779#(<= ULTIMATE.start_main_~k~5 62), 97778#(<= ULTIMATE.start_main_~k~5 61), 97781#(<= ULTIMATE.start_main_~k~5 64), 97780#(<= ULTIMATE.start_main_~k~5 63), 97783#(<= ULTIMATE.start_main_~k~5 66), 97782#(<= ULTIMATE.start_main_~k~5 65), 97785#(<= ULTIMATE.start_main_~k~5 68), 97784#(<= ULTIMATE.start_main_~k~5 67), 97787#(<= ULTIMATE.start_main_~k~5 70), 97786#(<= ULTIMATE.start_main_~k~5 69), 97789#(<= ULTIMATE.start_main_~k~5 72), 97788#(<= ULTIMATE.start_main_~k~5 71), 97791#(<= ULTIMATE.start_main_~k~5 74), 97790#(<= ULTIMATE.start_main_~k~5 73)] [2018-07-23 13:46:32,134 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 13:46:32,134 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:46:32,136 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:46:32,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:46:32,137 INFO L87 Difference]: Start difference. First operand 293 states and 293 transitions. Second operand 147 states. [2018-07-23 13:46:32,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:32,375 INFO L93 Difference]: Finished difference Result 297 states and 297 transitions. [2018-07-23 13:46:32,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:46:32,375 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 292 [2018-07-23 13:46:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:32,376 INFO L225 Difference]: With dead ends: 297 [2018-07-23 13:46:32,376 INFO L226 Difference]: Without dead ends: 295 [2018-07-23 13:46:32,378 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 13:46:32,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-23 13:46:32,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-07-23 13:46:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-07-23 13:46:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 295 transitions. [2018-07-23 13:46:32,382 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 295 transitions. Word has length 292 [2018-07-23 13:46:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:32,382 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 295 transitions. [2018-07-23 13:46:32,382 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:46:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 295 transitions. [2018-07-23 13:46:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-23 13:46:32,384 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:32,384 INFO L357 BasicCegarLoop]: trace histogram [146, 145, 1, 1, 1] [2018-07-23 13:46:32,384 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:32,384 INFO L82 PathProgramCache]: Analyzing trace with hash -842253791, now seen corresponding path program 145 times [2018-07-23 13:46:32,384 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:33,414 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 13:46:33,415 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:33,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:46:33,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,415 INFO L185 omatonBuilderFactory]: Interpolants [99073#(<= ULTIMATE.start_main_~k~5 25), 99072#(<= ULTIMATE.start_main_~k~5 24), 99075#(<= ULTIMATE.start_main_~k~5 27), 99074#(<= ULTIMATE.start_main_~k~5 26), 99077#(<= ULTIMATE.start_main_~k~5 29), 99076#(<= ULTIMATE.start_main_~k~5 28), 99079#(<= ULTIMATE.start_main_~k~5 31), 99078#(<= ULTIMATE.start_main_~k~5 30), 99081#(<= ULTIMATE.start_main_~k~5 33), 99080#(<= ULTIMATE.start_main_~k~5 32), 99083#(<= ULTIMATE.start_main_~k~5 35), 99082#(<= ULTIMATE.start_main_~k~5 34), 99085#(<= ULTIMATE.start_main_~k~5 37), 99084#(<= ULTIMATE.start_main_~k~5 36), 99087#(<= ULTIMATE.start_main_~k~5 39), 99086#(<= ULTIMATE.start_main_~k~5 38), 99089#(<= ULTIMATE.start_main_~k~5 41), 99088#(<= ULTIMATE.start_main_~k~5 40), 99091#(<= ULTIMATE.start_main_~k~5 43), 99090#(<= ULTIMATE.start_main_~k~5 42), 99093#(<= ULTIMATE.start_main_~k~5 45), 99092#(<= ULTIMATE.start_main_~k~5 44), 99095#(<= ULTIMATE.start_main_~k~5 47), 99094#(<= ULTIMATE.start_main_~k~5 46), 99097#(<= ULTIMATE.start_main_~k~5 49), 99096#(<= ULTIMATE.start_main_~k~5 48), 99099#(<= ULTIMATE.start_main_~k~5 51), 99098#(<= ULTIMATE.start_main_~k~5 50), 99101#(<= ULTIMATE.start_main_~k~5 53), 99100#(<= ULTIMATE.start_main_~k~5 52), 99103#(<= ULTIMATE.start_main_~k~5 55), 99102#(<= ULTIMATE.start_main_~k~5 54), 99105#(<= ULTIMATE.start_main_~k~5 57), 99104#(<= ULTIMATE.start_main_~k~5 56), 99107#(<= ULTIMATE.start_main_~k~5 59), 99106#(<= ULTIMATE.start_main_~k~5 58), 99109#(<= ULTIMATE.start_main_~k~5 61), 99108#(<= ULTIMATE.start_main_~k~5 60), 99111#(<= ULTIMATE.start_main_~k~5 63), 99110#(<= ULTIMATE.start_main_~k~5 62), 99113#(<= ULTIMATE.start_main_~k~5 65), 99112#(<= ULTIMATE.start_main_~k~5 64), 99115#(<= ULTIMATE.start_main_~k~5 67), 99114#(<= ULTIMATE.start_main_~k~5 66), 99117#(<= ULTIMATE.start_main_~k~5 69), 99116#(<= ULTIMATE.start_main_~k~5 68), 99119#(<= ULTIMATE.start_main_~k~5 71), 99118#(<= ULTIMATE.start_main_~k~5 70), 99121#(<= ULTIMATE.start_main_~k~5 73), 99120#(<= ULTIMATE.start_main_~k~5 72), 99123#(<= ULTIMATE.start_main_~k~5 75), 99122#(<= ULTIMATE.start_main_~k~5 74), 99125#(<= ULTIMATE.start_main_~k~5 77), 99124#(<= ULTIMATE.start_main_~k~5 76), 99127#(<= ULTIMATE.start_main_~k~5 79), 99126#(<= ULTIMATE.start_main_~k~5 78), 99129#(<= ULTIMATE.start_main_~k~5 81), 99128#(<= ULTIMATE.start_main_~k~5 80), 99131#(<= ULTIMATE.start_main_~k~5 83), 99130#(<= ULTIMATE.start_main_~k~5 82), 99133#(<= ULTIMATE.start_main_~k~5 85), 99132#(<= ULTIMATE.start_main_~k~5 84), 99135#(<= ULTIMATE.start_main_~k~5 87), 99134#(<= ULTIMATE.start_main_~k~5 86), 99137#(<= ULTIMATE.start_main_~k~5 89), 99136#(<= ULTIMATE.start_main_~k~5 88), 99139#(<= ULTIMATE.start_main_~k~5 91), 99138#(<= ULTIMATE.start_main_~k~5 90), 99141#(<= ULTIMATE.start_main_~k~5 93), 99140#(<= ULTIMATE.start_main_~k~5 92), 99143#(<= ULTIMATE.start_main_~k~5 95), 99142#(<= ULTIMATE.start_main_~k~5 94), 99145#(<= ULTIMATE.start_main_~k~5 97), 99144#(<= ULTIMATE.start_main_~k~5 96), 99147#(<= ULTIMATE.start_main_~k~5 99), 99146#(<= ULTIMATE.start_main_~k~5 98), 99149#(<= ULTIMATE.start_main_~k~5 101), 99148#(<= ULTIMATE.start_main_~k~5 100), 99151#(<= ULTIMATE.start_main_~k~5 103), 99150#(<= ULTIMATE.start_main_~k~5 102), 99153#(<= ULTIMATE.start_main_~k~5 105), 99152#(<= ULTIMATE.start_main_~k~5 104), 99155#(<= ULTIMATE.start_main_~k~5 107), 99154#(<= ULTIMATE.start_main_~k~5 106), 99157#(<= ULTIMATE.start_main_~k~5 109), 99156#(<= ULTIMATE.start_main_~k~5 108), 99159#(<= ULTIMATE.start_main_~k~5 111), 99158#(<= ULTIMATE.start_main_~k~5 110), 99161#(<= ULTIMATE.start_main_~k~5 113), 99160#(<= ULTIMATE.start_main_~k~5 112), 99163#(<= ULTIMATE.start_main_~k~5 115), 99162#(<= ULTIMATE.start_main_~k~5 114), 99165#(<= ULTIMATE.start_main_~k~5 117), 99164#(<= ULTIMATE.start_main_~k~5 116), 99167#(<= ULTIMATE.start_main_~k~5 119), 99166#(<= ULTIMATE.start_main_~k~5 118), 99169#(<= ULTIMATE.start_main_~k~5 121), 99168#(<= ULTIMATE.start_main_~k~5 120), 99171#(<= ULTIMATE.start_main_~k~5 123), 99170#(<= ULTIMATE.start_main_~k~5 122), 99173#(<= ULTIMATE.start_main_~k~5 125), 99172#(<= ULTIMATE.start_main_~k~5 124), 99175#(<= ULTIMATE.start_main_~k~5 127), 99174#(<= ULTIMATE.start_main_~k~5 126), 99177#(<= ULTIMATE.start_main_~k~5 129), 99176#(<= ULTIMATE.start_main_~k~5 128), 99179#(<= ULTIMATE.start_main_~k~5 131), 99178#(<= ULTIMATE.start_main_~k~5 130), 99181#(<= ULTIMATE.start_main_~k~5 133), 99180#(<= ULTIMATE.start_main_~k~5 132), 99183#(<= ULTIMATE.start_main_~k~5 135), 99182#(<= ULTIMATE.start_main_~k~5 134), 99185#(<= ULTIMATE.start_main_~k~5 137), 99184#(<= ULTIMATE.start_main_~k~5 136), 99187#(<= ULTIMATE.start_main_~k~5 139), 99186#(<= ULTIMATE.start_main_~k~5 138), 99189#(<= ULTIMATE.start_main_~k~5 141), 99188#(<= ULTIMATE.start_main_~k~5 140), 99191#(<= ULTIMATE.start_main_~k~5 143), 99190#(<= ULTIMATE.start_main_~k~5 142), 99193#(<= ULTIMATE.start_main_~k~5 145), 99192#(<= ULTIMATE.start_main_~k~5 144), 99047#false, 99046#true, 99049#(<= ULTIMATE.start_main_~k~5 1), 99048#(<= ULTIMATE.start_main_~k~5 0), 99051#(<= ULTIMATE.start_main_~k~5 3), 99050#(<= ULTIMATE.start_main_~k~5 2), 99053#(<= ULTIMATE.start_main_~k~5 5), 99052#(<= ULTIMATE.start_main_~k~5 4), 99055#(<= ULTIMATE.start_main_~k~5 7), 99054#(<= ULTIMATE.start_main_~k~5 6), 99057#(<= ULTIMATE.start_main_~k~5 9), 99056#(<= ULTIMATE.start_main_~k~5 8), 99059#(<= ULTIMATE.start_main_~k~5 11), 99058#(<= ULTIMATE.start_main_~k~5 10), 99061#(<= ULTIMATE.start_main_~k~5 13), 99060#(<= ULTIMATE.start_main_~k~5 12), 99063#(<= ULTIMATE.start_main_~k~5 15), 99062#(<= ULTIMATE.start_main_~k~5 14), 99065#(<= ULTIMATE.start_main_~k~5 17), 99064#(<= ULTIMATE.start_main_~k~5 16), 99067#(<= ULTIMATE.start_main_~k~5 19), 99066#(<= ULTIMATE.start_main_~k~5 18), 99069#(<= ULTIMATE.start_main_~k~5 21), 99068#(<= ULTIMATE.start_main_~k~5 20), 99071#(<= ULTIMATE.start_main_~k~5 23), 99070#(<= ULTIMATE.start_main_~k~5 22)] [2018-07-23 13:46:33,417 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 13:46:33,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:46:33,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:46:33,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:46:33,420 INFO L87 Difference]: Start difference. First operand 295 states and 295 transitions. Second operand 148 states. [2018-07-23 13:46:34,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:34,014 INFO L93 Difference]: Finished difference Result 299 states and 299 transitions. [2018-07-23 13:46:34,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:46:34,014 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 294 [2018-07-23 13:46:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:34,015 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:46:34,015 INFO L226 Difference]: Without dead ends: 297 [2018-07-23 13:46:34,016 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 13:46:34,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-07-23 13:46:34,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-07-23 13:46:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-07-23 13:46:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 297 transitions. [2018-07-23 13:46:34,020 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 297 transitions. Word has length 294 [2018-07-23 13:46:34,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:34,021 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 297 transitions. [2018-07-23 13:46:34,021 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:46:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 297 transitions. [2018-07-23 13:46:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-07-23 13:46:34,022 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:34,022 INFO L357 BasicCegarLoop]: trace histogram [147, 146, 1, 1, 1] [2018-07-23 13:46:34,022 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:34,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1951989413, now seen corresponding path program 146 times [2018-07-23 13:46:34,022 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:35,091 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 13:46:35,092 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:35,092 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:46:35,092 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:35,092 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 13:46:35,093 INFO L185 omatonBuilderFactory]: Interpolants [100387#false, 100386#true, 100389#(<= ULTIMATE.start_main_~k~5 1), 100388#(<= ULTIMATE.start_main_~k~5 0), 100391#(<= ULTIMATE.start_main_~k~5 3), 100390#(<= ULTIMATE.start_main_~k~5 2), 100393#(<= ULTIMATE.start_main_~k~5 5), 100392#(<= ULTIMATE.start_main_~k~5 4), 100395#(<= ULTIMATE.start_main_~k~5 7), 100394#(<= ULTIMATE.start_main_~k~5 6), 100397#(<= ULTIMATE.start_main_~k~5 9), 100396#(<= ULTIMATE.start_main_~k~5 8), 100399#(<= ULTIMATE.start_main_~k~5 11), 100398#(<= ULTIMATE.start_main_~k~5 10), 100401#(<= ULTIMATE.start_main_~k~5 13), 100400#(<= ULTIMATE.start_main_~k~5 12), 100403#(<= ULTIMATE.start_main_~k~5 15), 100402#(<= ULTIMATE.start_main_~k~5 14), 100405#(<= ULTIMATE.start_main_~k~5 17), 100404#(<= ULTIMATE.start_main_~k~5 16), 100407#(<= ULTIMATE.start_main_~k~5 19), 100406#(<= ULTIMATE.start_main_~k~5 18), 100409#(<= ULTIMATE.start_main_~k~5 21), 100408#(<= ULTIMATE.start_main_~k~5 20), 100411#(<= ULTIMATE.start_main_~k~5 23), 100410#(<= ULTIMATE.start_main_~k~5 22), 100413#(<= ULTIMATE.start_main_~k~5 25), 100412#(<= ULTIMATE.start_main_~k~5 24), 100415#(<= ULTIMATE.start_main_~k~5 27), 100414#(<= ULTIMATE.start_main_~k~5 26), 100417#(<= ULTIMATE.start_main_~k~5 29), 100416#(<= ULTIMATE.start_main_~k~5 28), 100419#(<= ULTIMATE.start_main_~k~5 31), 100418#(<= ULTIMATE.start_main_~k~5 30), 100421#(<= ULTIMATE.start_main_~k~5 33), 100420#(<= ULTIMATE.start_main_~k~5 32), 100423#(<= ULTIMATE.start_main_~k~5 35), 100422#(<= ULTIMATE.start_main_~k~5 34), 100425#(<= ULTIMATE.start_main_~k~5 37), 100424#(<= ULTIMATE.start_main_~k~5 36), 100427#(<= ULTIMATE.start_main_~k~5 39), 100426#(<= ULTIMATE.start_main_~k~5 38), 100429#(<= ULTIMATE.start_main_~k~5 41), 100428#(<= ULTIMATE.start_main_~k~5 40), 100431#(<= ULTIMATE.start_main_~k~5 43), 100430#(<= ULTIMATE.start_main_~k~5 42), 100433#(<= ULTIMATE.start_main_~k~5 45), 100432#(<= ULTIMATE.start_main_~k~5 44), 100435#(<= ULTIMATE.start_main_~k~5 47), 100434#(<= ULTIMATE.start_main_~k~5 46), 100437#(<= ULTIMATE.start_main_~k~5 49), 100436#(<= ULTIMATE.start_main_~k~5 48), 100439#(<= ULTIMATE.start_main_~k~5 51), 100438#(<= ULTIMATE.start_main_~k~5 50), 100441#(<= ULTIMATE.start_main_~k~5 53), 100440#(<= ULTIMATE.start_main_~k~5 52), 100443#(<= ULTIMATE.start_main_~k~5 55), 100442#(<= ULTIMATE.start_main_~k~5 54), 100445#(<= ULTIMATE.start_main_~k~5 57), 100444#(<= ULTIMATE.start_main_~k~5 56), 100447#(<= ULTIMATE.start_main_~k~5 59), 100446#(<= ULTIMATE.start_main_~k~5 58), 100449#(<= ULTIMATE.start_main_~k~5 61), 100448#(<= ULTIMATE.start_main_~k~5 60), 100451#(<= ULTIMATE.start_main_~k~5 63), 100450#(<= ULTIMATE.start_main_~k~5 62), 100453#(<= ULTIMATE.start_main_~k~5 65), 100452#(<= ULTIMATE.start_main_~k~5 64), 100455#(<= ULTIMATE.start_main_~k~5 67), 100454#(<= ULTIMATE.start_main_~k~5 66), 100457#(<= ULTIMATE.start_main_~k~5 69), 100456#(<= ULTIMATE.start_main_~k~5 68), 100459#(<= ULTIMATE.start_main_~k~5 71), 100458#(<= ULTIMATE.start_main_~k~5 70), 100461#(<= ULTIMATE.start_main_~k~5 73), 100460#(<= ULTIMATE.start_main_~k~5 72), 100463#(<= ULTIMATE.start_main_~k~5 75), 100462#(<= ULTIMATE.start_main_~k~5 74), 100465#(<= ULTIMATE.start_main_~k~5 77), 100464#(<= ULTIMATE.start_main_~k~5 76), 100467#(<= ULTIMATE.start_main_~k~5 79), 100466#(<= ULTIMATE.start_main_~k~5 78), 100469#(<= ULTIMATE.start_main_~k~5 81), 100468#(<= ULTIMATE.start_main_~k~5 80), 100471#(<= ULTIMATE.start_main_~k~5 83), 100470#(<= ULTIMATE.start_main_~k~5 82), 100473#(<= ULTIMATE.start_main_~k~5 85), 100472#(<= ULTIMATE.start_main_~k~5 84), 100475#(<= ULTIMATE.start_main_~k~5 87), 100474#(<= ULTIMATE.start_main_~k~5 86), 100477#(<= ULTIMATE.start_main_~k~5 89), 100476#(<= ULTIMATE.start_main_~k~5 88), 100479#(<= ULTIMATE.start_main_~k~5 91), 100478#(<= ULTIMATE.start_main_~k~5 90), 100481#(<= ULTIMATE.start_main_~k~5 93), 100480#(<= ULTIMATE.start_main_~k~5 92), 100483#(<= ULTIMATE.start_main_~k~5 95), 100482#(<= ULTIMATE.start_main_~k~5 94), 100485#(<= ULTIMATE.start_main_~k~5 97), 100484#(<= ULTIMATE.start_main_~k~5 96), 100487#(<= ULTIMATE.start_main_~k~5 99), 100486#(<= ULTIMATE.start_main_~k~5 98), 100489#(<= ULTIMATE.start_main_~k~5 101), 100488#(<= ULTIMATE.start_main_~k~5 100), 100491#(<= ULTIMATE.start_main_~k~5 103), 100490#(<= ULTIMATE.start_main_~k~5 102), 100493#(<= ULTIMATE.start_main_~k~5 105), 100492#(<= ULTIMATE.start_main_~k~5 104), 100495#(<= ULTIMATE.start_main_~k~5 107), 100494#(<= ULTIMATE.start_main_~k~5 106), 100497#(<= ULTIMATE.start_main_~k~5 109), 100496#(<= ULTIMATE.start_main_~k~5 108), 100499#(<= ULTIMATE.start_main_~k~5 111), 100498#(<= ULTIMATE.start_main_~k~5 110), 100501#(<= ULTIMATE.start_main_~k~5 113), 100500#(<= ULTIMATE.start_main_~k~5 112), 100503#(<= ULTIMATE.start_main_~k~5 115), 100502#(<= ULTIMATE.start_main_~k~5 114), 100505#(<= ULTIMATE.start_main_~k~5 117), 100504#(<= ULTIMATE.start_main_~k~5 116), 100507#(<= ULTIMATE.start_main_~k~5 119), 100506#(<= ULTIMATE.start_main_~k~5 118), 100509#(<= ULTIMATE.start_main_~k~5 121), 100508#(<= ULTIMATE.start_main_~k~5 120), 100511#(<= ULTIMATE.start_main_~k~5 123), 100510#(<= ULTIMATE.start_main_~k~5 122), 100513#(<= ULTIMATE.start_main_~k~5 125), 100512#(<= ULTIMATE.start_main_~k~5 124), 100515#(<= ULTIMATE.start_main_~k~5 127), 100514#(<= ULTIMATE.start_main_~k~5 126), 100517#(<= ULTIMATE.start_main_~k~5 129), 100516#(<= ULTIMATE.start_main_~k~5 128), 100519#(<= ULTIMATE.start_main_~k~5 131), 100518#(<= ULTIMATE.start_main_~k~5 130), 100521#(<= ULTIMATE.start_main_~k~5 133), 100520#(<= ULTIMATE.start_main_~k~5 132), 100523#(<= ULTIMATE.start_main_~k~5 135), 100522#(<= ULTIMATE.start_main_~k~5 134), 100525#(<= ULTIMATE.start_main_~k~5 137), 100524#(<= ULTIMATE.start_main_~k~5 136), 100527#(<= ULTIMATE.start_main_~k~5 139), 100526#(<= ULTIMATE.start_main_~k~5 138), 100529#(<= ULTIMATE.start_main_~k~5 141), 100528#(<= ULTIMATE.start_main_~k~5 140), 100531#(<= ULTIMATE.start_main_~k~5 143), 100530#(<= ULTIMATE.start_main_~k~5 142), 100533#(<= ULTIMATE.start_main_~k~5 145), 100532#(<= ULTIMATE.start_main_~k~5 144), 100534#(<= ULTIMATE.start_main_~k~5 146)] [2018-07-23 13:46:35,094 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 13:46:35,094 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:46:35,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:46:35,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:46:35,096 INFO L87 Difference]: Start difference. First operand 297 states and 297 transitions. Second operand 149 states. [2018-07-23 13:46:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:35,829 INFO L93 Difference]: Finished difference Result 301 states and 301 transitions. [2018-07-23 13:46:35,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:46:35,829 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 296 [2018-07-23 13:46:35,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:35,829 INFO L225 Difference]: With dead ends: 301 [2018-07-23 13:46:35,830 INFO L226 Difference]: Without dead ends: 299 [2018-07-23 13:46:35,832 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:46:35,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-07-23 13:46:35,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-07-23 13:46:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-07-23 13:46:35,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 299 transitions. [2018-07-23 13:46:35,836 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 299 transitions. Word has length 296 [2018-07-23 13:46:35,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:35,837 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 299 transitions. [2018-07-23 13:46:35,837 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:46:35,837 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 299 transitions. [2018-07-23 13:46:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-07-23 13:46:35,838 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:35,838 INFO L357 BasicCegarLoop]: trace histogram [148, 147, 1, 1, 1] [2018-07-23 13:46:35,839 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:35,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1038934549, now seen corresponding path program 147 times [2018-07-23 13:46:35,839 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:36,963 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 13:46:36,964 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:36,964 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:46:36,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:36,965 INFO L185 omatonBuilderFactory]: Interpolants [101735#true, 101737#(<= ULTIMATE.start_main_~k~5 0), 101736#false, 101739#(<= ULTIMATE.start_main_~k~5 2), 101738#(<= ULTIMATE.start_main_~k~5 1), 101741#(<= ULTIMATE.start_main_~k~5 4), 101740#(<= ULTIMATE.start_main_~k~5 3), 101743#(<= ULTIMATE.start_main_~k~5 6), 101742#(<= ULTIMATE.start_main_~k~5 5), 101745#(<= ULTIMATE.start_main_~k~5 8), 101744#(<= ULTIMATE.start_main_~k~5 7), 101747#(<= ULTIMATE.start_main_~k~5 10), 101746#(<= ULTIMATE.start_main_~k~5 9), 101749#(<= ULTIMATE.start_main_~k~5 12), 101748#(<= ULTIMATE.start_main_~k~5 11), 101751#(<= ULTIMATE.start_main_~k~5 14), 101750#(<= ULTIMATE.start_main_~k~5 13), 101753#(<= ULTIMATE.start_main_~k~5 16), 101752#(<= ULTIMATE.start_main_~k~5 15), 101755#(<= ULTIMATE.start_main_~k~5 18), 101754#(<= ULTIMATE.start_main_~k~5 17), 101757#(<= ULTIMATE.start_main_~k~5 20), 101756#(<= ULTIMATE.start_main_~k~5 19), 101759#(<= ULTIMATE.start_main_~k~5 22), 101758#(<= ULTIMATE.start_main_~k~5 21), 101761#(<= ULTIMATE.start_main_~k~5 24), 101760#(<= ULTIMATE.start_main_~k~5 23), 101763#(<= ULTIMATE.start_main_~k~5 26), 101762#(<= ULTIMATE.start_main_~k~5 25), 101765#(<= ULTIMATE.start_main_~k~5 28), 101764#(<= ULTIMATE.start_main_~k~5 27), 101767#(<= ULTIMATE.start_main_~k~5 30), 101766#(<= ULTIMATE.start_main_~k~5 29), 101769#(<= ULTIMATE.start_main_~k~5 32), 101768#(<= ULTIMATE.start_main_~k~5 31), 101771#(<= ULTIMATE.start_main_~k~5 34), 101770#(<= ULTIMATE.start_main_~k~5 33), 101773#(<= ULTIMATE.start_main_~k~5 36), 101772#(<= ULTIMATE.start_main_~k~5 35), 101775#(<= ULTIMATE.start_main_~k~5 38), 101774#(<= ULTIMATE.start_main_~k~5 37), 101777#(<= ULTIMATE.start_main_~k~5 40), 101776#(<= ULTIMATE.start_main_~k~5 39), 101779#(<= ULTIMATE.start_main_~k~5 42), 101778#(<= ULTIMATE.start_main_~k~5 41), 101781#(<= ULTIMATE.start_main_~k~5 44), 101780#(<= ULTIMATE.start_main_~k~5 43), 101783#(<= ULTIMATE.start_main_~k~5 46), 101782#(<= ULTIMATE.start_main_~k~5 45), 101785#(<= ULTIMATE.start_main_~k~5 48), 101784#(<= ULTIMATE.start_main_~k~5 47), 101787#(<= ULTIMATE.start_main_~k~5 50), 101786#(<= ULTIMATE.start_main_~k~5 49), 101789#(<= ULTIMATE.start_main_~k~5 52), 101788#(<= ULTIMATE.start_main_~k~5 51), 101791#(<= ULTIMATE.start_main_~k~5 54), 101790#(<= ULTIMATE.start_main_~k~5 53), 101793#(<= ULTIMATE.start_main_~k~5 56), 101792#(<= ULTIMATE.start_main_~k~5 55), 101795#(<= ULTIMATE.start_main_~k~5 58), 101794#(<= ULTIMATE.start_main_~k~5 57), 101797#(<= ULTIMATE.start_main_~k~5 60), 101796#(<= ULTIMATE.start_main_~k~5 59), 101799#(<= ULTIMATE.start_main_~k~5 62), 101798#(<= ULTIMATE.start_main_~k~5 61), 101801#(<= ULTIMATE.start_main_~k~5 64), 101800#(<= ULTIMATE.start_main_~k~5 63), 101803#(<= ULTIMATE.start_main_~k~5 66), 101802#(<= ULTIMATE.start_main_~k~5 65), 101805#(<= ULTIMATE.start_main_~k~5 68), 101804#(<= ULTIMATE.start_main_~k~5 67), 101807#(<= ULTIMATE.start_main_~k~5 70), 101806#(<= ULTIMATE.start_main_~k~5 69), 101809#(<= ULTIMATE.start_main_~k~5 72), 101808#(<= ULTIMATE.start_main_~k~5 71), 101811#(<= ULTIMATE.start_main_~k~5 74), 101810#(<= ULTIMATE.start_main_~k~5 73), 101813#(<= ULTIMATE.start_main_~k~5 76), 101812#(<= ULTIMATE.start_main_~k~5 75), 101815#(<= ULTIMATE.start_main_~k~5 78), 101814#(<= ULTIMATE.start_main_~k~5 77), 101817#(<= ULTIMATE.start_main_~k~5 80), 101816#(<= ULTIMATE.start_main_~k~5 79), 101819#(<= ULTIMATE.start_main_~k~5 82), 101818#(<= ULTIMATE.start_main_~k~5 81), 101821#(<= ULTIMATE.start_main_~k~5 84), 101820#(<= ULTIMATE.start_main_~k~5 83), 101823#(<= ULTIMATE.start_main_~k~5 86), 101822#(<= ULTIMATE.start_main_~k~5 85), 101825#(<= ULTIMATE.start_main_~k~5 88), 101824#(<= ULTIMATE.start_main_~k~5 87), 101827#(<= ULTIMATE.start_main_~k~5 90), 101826#(<= ULTIMATE.start_main_~k~5 89), 101829#(<= ULTIMATE.start_main_~k~5 92), 101828#(<= ULTIMATE.start_main_~k~5 91), 101831#(<= ULTIMATE.start_main_~k~5 94), 101830#(<= ULTIMATE.start_main_~k~5 93), 101833#(<= ULTIMATE.start_main_~k~5 96), 101832#(<= ULTIMATE.start_main_~k~5 95), 101835#(<= ULTIMATE.start_main_~k~5 98), 101834#(<= ULTIMATE.start_main_~k~5 97), 101837#(<= ULTIMATE.start_main_~k~5 100), 101836#(<= ULTIMATE.start_main_~k~5 99), 101839#(<= ULTIMATE.start_main_~k~5 102), 101838#(<= ULTIMATE.start_main_~k~5 101), 101841#(<= ULTIMATE.start_main_~k~5 104), 101840#(<= ULTIMATE.start_main_~k~5 103), 101843#(<= ULTIMATE.start_main_~k~5 106), 101842#(<= ULTIMATE.start_main_~k~5 105), 101845#(<= ULTIMATE.start_main_~k~5 108), 101844#(<= ULTIMATE.start_main_~k~5 107), 101847#(<= ULTIMATE.start_main_~k~5 110), 101846#(<= ULTIMATE.start_main_~k~5 109), 101849#(<= ULTIMATE.start_main_~k~5 112), 101848#(<= ULTIMATE.start_main_~k~5 111), 101851#(<= ULTIMATE.start_main_~k~5 114), 101850#(<= ULTIMATE.start_main_~k~5 113), 101853#(<= ULTIMATE.start_main_~k~5 116), 101852#(<= ULTIMATE.start_main_~k~5 115), 101855#(<= ULTIMATE.start_main_~k~5 118), 101854#(<= ULTIMATE.start_main_~k~5 117), 101857#(<= ULTIMATE.start_main_~k~5 120), 101856#(<= ULTIMATE.start_main_~k~5 119), 101859#(<= ULTIMATE.start_main_~k~5 122), 101858#(<= ULTIMATE.start_main_~k~5 121), 101861#(<= ULTIMATE.start_main_~k~5 124), 101860#(<= ULTIMATE.start_main_~k~5 123), 101863#(<= ULTIMATE.start_main_~k~5 126), 101862#(<= ULTIMATE.start_main_~k~5 125), 101865#(<= ULTIMATE.start_main_~k~5 128), 101864#(<= ULTIMATE.start_main_~k~5 127), 101867#(<= ULTIMATE.start_main_~k~5 130), 101866#(<= ULTIMATE.start_main_~k~5 129), 101869#(<= ULTIMATE.start_main_~k~5 132), 101868#(<= ULTIMATE.start_main_~k~5 131), 101871#(<= ULTIMATE.start_main_~k~5 134), 101870#(<= ULTIMATE.start_main_~k~5 133), 101873#(<= ULTIMATE.start_main_~k~5 136), 101872#(<= ULTIMATE.start_main_~k~5 135), 101875#(<= ULTIMATE.start_main_~k~5 138), 101874#(<= ULTIMATE.start_main_~k~5 137), 101877#(<= ULTIMATE.start_main_~k~5 140), 101876#(<= ULTIMATE.start_main_~k~5 139), 101879#(<= ULTIMATE.start_main_~k~5 142), 101878#(<= ULTIMATE.start_main_~k~5 141), 101881#(<= ULTIMATE.start_main_~k~5 144), 101880#(<= ULTIMATE.start_main_~k~5 143), 101883#(<= ULTIMATE.start_main_~k~5 146), 101882#(<= ULTIMATE.start_main_~k~5 145), 101884#(<= ULTIMATE.start_main_~k~5 147)] [2018-07-23 13:46:36,966 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 13:46:36,966 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:46:36,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:46:36,970 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:46:36,971 INFO L87 Difference]: Start difference. First operand 299 states and 299 transitions. Second operand 150 states. [2018-07-23 13:46:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:37,711 INFO L93 Difference]: Finished difference Result 303 states and 303 transitions. [2018-07-23 13:46:37,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:46:37,712 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 298 [2018-07-23 13:46:37,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:37,712 INFO L225 Difference]: With dead ends: 303 [2018-07-23 13:46:37,712 INFO L226 Difference]: Without dead ends: 301 [2018-07-23 13:46:37,714 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 13:46:37,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-23 13:46:37,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-07-23 13:46:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-07-23 13:46:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 301 transitions. [2018-07-23 13:46:37,718 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 301 transitions. Word has length 298 [2018-07-23 13:46:37,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:37,718 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 301 transitions. [2018-07-23 13:46:37,718 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:46:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 301 transitions. [2018-07-23 13:46:37,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 13:46:37,720 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:37,720 INFO L357 BasicCegarLoop]: trace histogram [149, 148, 1, 1, 1] [2018-07-23 13:46:37,720 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:37,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1983741007, now seen corresponding path program 148 times [2018-07-23 13:46:37,720 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:38,865 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 13:46:38,865 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:38,865 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:46:38,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:38,866 INFO L185 omatonBuilderFactory]: Interpolants [103169#(<= ULTIMATE.start_main_~k~5 74), 103168#(<= ULTIMATE.start_main_~k~5 73), 103171#(<= ULTIMATE.start_main_~k~5 76), 103170#(<= ULTIMATE.start_main_~k~5 75), 103173#(<= ULTIMATE.start_main_~k~5 78), 103172#(<= ULTIMATE.start_main_~k~5 77), 103175#(<= ULTIMATE.start_main_~k~5 80), 103174#(<= ULTIMATE.start_main_~k~5 79), 103177#(<= ULTIMATE.start_main_~k~5 82), 103176#(<= ULTIMATE.start_main_~k~5 81), 103179#(<= ULTIMATE.start_main_~k~5 84), 103178#(<= ULTIMATE.start_main_~k~5 83), 103181#(<= ULTIMATE.start_main_~k~5 86), 103180#(<= ULTIMATE.start_main_~k~5 85), 103183#(<= ULTIMATE.start_main_~k~5 88), 103182#(<= ULTIMATE.start_main_~k~5 87), 103185#(<= ULTIMATE.start_main_~k~5 90), 103184#(<= ULTIMATE.start_main_~k~5 89), 103187#(<= ULTIMATE.start_main_~k~5 92), 103186#(<= ULTIMATE.start_main_~k~5 91), 103189#(<= ULTIMATE.start_main_~k~5 94), 103188#(<= ULTIMATE.start_main_~k~5 93), 103191#(<= ULTIMATE.start_main_~k~5 96), 103190#(<= ULTIMATE.start_main_~k~5 95), 103193#(<= ULTIMATE.start_main_~k~5 98), 103192#(<= ULTIMATE.start_main_~k~5 97), 103195#(<= ULTIMATE.start_main_~k~5 100), 103194#(<= ULTIMATE.start_main_~k~5 99), 103197#(<= ULTIMATE.start_main_~k~5 102), 103196#(<= ULTIMATE.start_main_~k~5 101), 103199#(<= ULTIMATE.start_main_~k~5 104), 103198#(<= ULTIMATE.start_main_~k~5 103), 103201#(<= ULTIMATE.start_main_~k~5 106), 103200#(<= ULTIMATE.start_main_~k~5 105), 103203#(<= ULTIMATE.start_main_~k~5 108), 103202#(<= ULTIMATE.start_main_~k~5 107), 103205#(<= ULTIMATE.start_main_~k~5 110), 103204#(<= ULTIMATE.start_main_~k~5 109), 103207#(<= ULTIMATE.start_main_~k~5 112), 103206#(<= ULTIMATE.start_main_~k~5 111), 103209#(<= ULTIMATE.start_main_~k~5 114), 103208#(<= ULTIMATE.start_main_~k~5 113), 103211#(<= ULTIMATE.start_main_~k~5 116), 103210#(<= ULTIMATE.start_main_~k~5 115), 103213#(<= ULTIMATE.start_main_~k~5 118), 103212#(<= ULTIMATE.start_main_~k~5 117), 103215#(<= ULTIMATE.start_main_~k~5 120), 103214#(<= ULTIMATE.start_main_~k~5 119), 103217#(<= ULTIMATE.start_main_~k~5 122), 103216#(<= ULTIMATE.start_main_~k~5 121), 103219#(<= ULTIMATE.start_main_~k~5 124), 103218#(<= ULTIMATE.start_main_~k~5 123), 103221#(<= ULTIMATE.start_main_~k~5 126), 103220#(<= ULTIMATE.start_main_~k~5 125), 103223#(<= ULTIMATE.start_main_~k~5 128), 103222#(<= ULTIMATE.start_main_~k~5 127), 103225#(<= ULTIMATE.start_main_~k~5 130), 103224#(<= ULTIMATE.start_main_~k~5 129), 103227#(<= ULTIMATE.start_main_~k~5 132), 103226#(<= ULTIMATE.start_main_~k~5 131), 103229#(<= ULTIMATE.start_main_~k~5 134), 103228#(<= ULTIMATE.start_main_~k~5 133), 103231#(<= ULTIMATE.start_main_~k~5 136), 103230#(<= ULTIMATE.start_main_~k~5 135), 103233#(<= ULTIMATE.start_main_~k~5 138), 103232#(<= ULTIMATE.start_main_~k~5 137), 103235#(<= ULTIMATE.start_main_~k~5 140), 103234#(<= ULTIMATE.start_main_~k~5 139), 103237#(<= ULTIMATE.start_main_~k~5 142), 103236#(<= ULTIMATE.start_main_~k~5 141), 103239#(<= ULTIMATE.start_main_~k~5 144), 103238#(<= ULTIMATE.start_main_~k~5 143), 103241#(<= ULTIMATE.start_main_~k~5 146), 103240#(<= ULTIMATE.start_main_~k~5 145), 103243#(<= ULTIMATE.start_main_~k~5 148), 103242#(<= ULTIMATE.start_main_~k~5 147), 103093#true, 103095#(<= ULTIMATE.start_main_~k~5 0), 103094#false, 103097#(<= ULTIMATE.start_main_~k~5 2), 103096#(<= ULTIMATE.start_main_~k~5 1), 103099#(<= ULTIMATE.start_main_~k~5 4), 103098#(<= ULTIMATE.start_main_~k~5 3), 103101#(<= ULTIMATE.start_main_~k~5 6), 103100#(<= ULTIMATE.start_main_~k~5 5), 103103#(<= ULTIMATE.start_main_~k~5 8), 103102#(<= ULTIMATE.start_main_~k~5 7), 103105#(<= ULTIMATE.start_main_~k~5 10), 103104#(<= ULTIMATE.start_main_~k~5 9), 103107#(<= ULTIMATE.start_main_~k~5 12), 103106#(<= ULTIMATE.start_main_~k~5 11), 103109#(<= ULTIMATE.start_main_~k~5 14), 103108#(<= ULTIMATE.start_main_~k~5 13), 103111#(<= ULTIMATE.start_main_~k~5 16), 103110#(<= ULTIMATE.start_main_~k~5 15), 103113#(<= ULTIMATE.start_main_~k~5 18), 103112#(<= ULTIMATE.start_main_~k~5 17), 103115#(<= ULTIMATE.start_main_~k~5 20), 103114#(<= ULTIMATE.start_main_~k~5 19), 103117#(<= ULTIMATE.start_main_~k~5 22), 103116#(<= ULTIMATE.start_main_~k~5 21), 103119#(<= ULTIMATE.start_main_~k~5 24), 103118#(<= ULTIMATE.start_main_~k~5 23), 103121#(<= ULTIMATE.start_main_~k~5 26), 103120#(<= ULTIMATE.start_main_~k~5 25), 103123#(<= ULTIMATE.start_main_~k~5 28), 103122#(<= ULTIMATE.start_main_~k~5 27), 103125#(<= ULTIMATE.start_main_~k~5 30), 103124#(<= ULTIMATE.start_main_~k~5 29), 103127#(<= ULTIMATE.start_main_~k~5 32), 103126#(<= ULTIMATE.start_main_~k~5 31), 103129#(<= ULTIMATE.start_main_~k~5 34), 103128#(<= ULTIMATE.start_main_~k~5 33), 103131#(<= ULTIMATE.start_main_~k~5 36), 103130#(<= ULTIMATE.start_main_~k~5 35), 103133#(<= ULTIMATE.start_main_~k~5 38), 103132#(<= ULTIMATE.start_main_~k~5 37), 103135#(<= ULTIMATE.start_main_~k~5 40), 103134#(<= ULTIMATE.start_main_~k~5 39), 103137#(<= ULTIMATE.start_main_~k~5 42), 103136#(<= ULTIMATE.start_main_~k~5 41), 103139#(<= ULTIMATE.start_main_~k~5 44), 103138#(<= ULTIMATE.start_main_~k~5 43), 103141#(<= ULTIMATE.start_main_~k~5 46), 103140#(<= ULTIMATE.start_main_~k~5 45), 103143#(<= ULTIMATE.start_main_~k~5 48), 103142#(<= ULTIMATE.start_main_~k~5 47), 103145#(<= ULTIMATE.start_main_~k~5 50), 103144#(<= ULTIMATE.start_main_~k~5 49), 103147#(<= ULTIMATE.start_main_~k~5 52), 103146#(<= ULTIMATE.start_main_~k~5 51), 103149#(<= ULTIMATE.start_main_~k~5 54), 103148#(<= ULTIMATE.start_main_~k~5 53), 103151#(<= ULTIMATE.start_main_~k~5 56), 103150#(<= ULTIMATE.start_main_~k~5 55), 103153#(<= ULTIMATE.start_main_~k~5 58), 103152#(<= ULTIMATE.start_main_~k~5 57), 103155#(<= ULTIMATE.start_main_~k~5 60), 103154#(<= ULTIMATE.start_main_~k~5 59), 103157#(<= ULTIMATE.start_main_~k~5 62), 103156#(<= ULTIMATE.start_main_~k~5 61), 103159#(<= ULTIMATE.start_main_~k~5 64), 103158#(<= ULTIMATE.start_main_~k~5 63), 103161#(<= ULTIMATE.start_main_~k~5 66), 103160#(<= ULTIMATE.start_main_~k~5 65), 103163#(<= ULTIMATE.start_main_~k~5 68), 103162#(<= ULTIMATE.start_main_~k~5 67), 103165#(<= ULTIMATE.start_main_~k~5 70), 103164#(<= ULTIMATE.start_main_~k~5 69), 103167#(<= ULTIMATE.start_main_~k~5 72), 103166#(<= ULTIMATE.start_main_~k~5 71)] [2018-07-23 13:46:38,867 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 13:46:38,867 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:46:38,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:46:38,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:46:38,871 INFO L87 Difference]: Start difference. First operand 301 states and 301 transitions. Second operand 151 states. [2018-07-23 13:46:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:39,132 INFO L93 Difference]: Finished difference Result 305 states and 305 transitions. [2018-07-23 13:46:39,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:46:39,132 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 300 [2018-07-23 13:46:39,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:39,133 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:46:39,133 INFO L226 Difference]: Without dead ends: 303 [2018-07-23 13:46:39,135 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:46:39,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-07-23 13:46:39,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2018-07-23 13:46:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-07-23 13:46:39,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 303 transitions. [2018-07-23 13:46:39,138 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 303 transitions. Word has length 300 [2018-07-23 13:46:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:39,138 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 303 transitions. [2018-07-23 13:46:39,138 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:46:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 303 transitions. [2018-07-23 13:46:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-07-23 13:46:39,139 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:39,140 INFO L357 BasicCegarLoop]: trace histogram [150, 149, 1, 1, 1] [2018-07-23 13:46:39,140 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:39,140 INFO L82 PathProgramCache]: Analyzing trace with hash -590319607, now seen corresponding path program 149 times [2018-07-23 13:46:39,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:40,172 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 13:46:40,173 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:40,173 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:46:40,173 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,174 INFO L185 omatonBuilderFactory]: Interpolants [104461#false, 104460#true, 104463#(<= ULTIMATE.start_main_~k~5 1), 104462#(<= ULTIMATE.start_main_~k~5 0), 104465#(<= ULTIMATE.start_main_~k~5 3), 104464#(<= ULTIMATE.start_main_~k~5 2), 104467#(<= ULTIMATE.start_main_~k~5 5), 104466#(<= ULTIMATE.start_main_~k~5 4), 104469#(<= ULTIMATE.start_main_~k~5 7), 104468#(<= ULTIMATE.start_main_~k~5 6), 104471#(<= ULTIMATE.start_main_~k~5 9), 104470#(<= ULTIMATE.start_main_~k~5 8), 104473#(<= ULTIMATE.start_main_~k~5 11), 104472#(<= ULTIMATE.start_main_~k~5 10), 104475#(<= ULTIMATE.start_main_~k~5 13), 104474#(<= ULTIMATE.start_main_~k~5 12), 104477#(<= ULTIMATE.start_main_~k~5 15), 104476#(<= ULTIMATE.start_main_~k~5 14), 104479#(<= ULTIMATE.start_main_~k~5 17), 104478#(<= ULTIMATE.start_main_~k~5 16), 104481#(<= ULTIMATE.start_main_~k~5 19), 104480#(<= ULTIMATE.start_main_~k~5 18), 104483#(<= ULTIMATE.start_main_~k~5 21), 104482#(<= ULTIMATE.start_main_~k~5 20), 104485#(<= ULTIMATE.start_main_~k~5 23), 104484#(<= ULTIMATE.start_main_~k~5 22), 104487#(<= ULTIMATE.start_main_~k~5 25), 104486#(<= ULTIMATE.start_main_~k~5 24), 104489#(<= ULTIMATE.start_main_~k~5 27), 104488#(<= ULTIMATE.start_main_~k~5 26), 104491#(<= ULTIMATE.start_main_~k~5 29), 104490#(<= ULTIMATE.start_main_~k~5 28), 104493#(<= ULTIMATE.start_main_~k~5 31), 104492#(<= ULTIMATE.start_main_~k~5 30), 104495#(<= ULTIMATE.start_main_~k~5 33), 104494#(<= ULTIMATE.start_main_~k~5 32), 104497#(<= ULTIMATE.start_main_~k~5 35), 104496#(<= ULTIMATE.start_main_~k~5 34), 104499#(<= ULTIMATE.start_main_~k~5 37), 104498#(<= ULTIMATE.start_main_~k~5 36), 104501#(<= ULTIMATE.start_main_~k~5 39), 104500#(<= ULTIMATE.start_main_~k~5 38), 104503#(<= ULTIMATE.start_main_~k~5 41), 104502#(<= ULTIMATE.start_main_~k~5 40), 104505#(<= ULTIMATE.start_main_~k~5 43), 104504#(<= ULTIMATE.start_main_~k~5 42), 104507#(<= ULTIMATE.start_main_~k~5 45), 104506#(<= ULTIMATE.start_main_~k~5 44), 104509#(<= ULTIMATE.start_main_~k~5 47), 104508#(<= ULTIMATE.start_main_~k~5 46), 104511#(<= ULTIMATE.start_main_~k~5 49), 104510#(<= ULTIMATE.start_main_~k~5 48), 104513#(<= ULTIMATE.start_main_~k~5 51), 104512#(<= ULTIMATE.start_main_~k~5 50), 104515#(<= ULTIMATE.start_main_~k~5 53), 104514#(<= ULTIMATE.start_main_~k~5 52), 104517#(<= ULTIMATE.start_main_~k~5 55), 104516#(<= ULTIMATE.start_main_~k~5 54), 104519#(<= ULTIMATE.start_main_~k~5 57), 104518#(<= ULTIMATE.start_main_~k~5 56), 104521#(<= ULTIMATE.start_main_~k~5 59), 104520#(<= ULTIMATE.start_main_~k~5 58), 104523#(<= ULTIMATE.start_main_~k~5 61), 104522#(<= ULTIMATE.start_main_~k~5 60), 104525#(<= ULTIMATE.start_main_~k~5 63), 104524#(<= ULTIMATE.start_main_~k~5 62), 104527#(<= ULTIMATE.start_main_~k~5 65), 104526#(<= ULTIMATE.start_main_~k~5 64), 104529#(<= ULTIMATE.start_main_~k~5 67), 104528#(<= ULTIMATE.start_main_~k~5 66), 104531#(<= ULTIMATE.start_main_~k~5 69), 104530#(<= ULTIMATE.start_main_~k~5 68), 104533#(<= ULTIMATE.start_main_~k~5 71), 104532#(<= ULTIMATE.start_main_~k~5 70), 104535#(<= ULTIMATE.start_main_~k~5 73), 104534#(<= ULTIMATE.start_main_~k~5 72), 104537#(<= ULTIMATE.start_main_~k~5 75), 104536#(<= ULTIMATE.start_main_~k~5 74), 104539#(<= ULTIMATE.start_main_~k~5 77), 104538#(<= ULTIMATE.start_main_~k~5 76), 104541#(<= ULTIMATE.start_main_~k~5 79), 104540#(<= ULTIMATE.start_main_~k~5 78), 104543#(<= ULTIMATE.start_main_~k~5 81), 104542#(<= ULTIMATE.start_main_~k~5 80), 104545#(<= ULTIMATE.start_main_~k~5 83), 104544#(<= ULTIMATE.start_main_~k~5 82), 104547#(<= ULTIMATE.start_main_~k~5 85), 104546#(<= ULTIMATE.start_main_~k~5 84), 104549#(<= ULTIMATE.start_main_~k~5 87), 104548#(<= ULTIMATE.start_main_~k~5 86), 104551#(<= ULTIMATE.start_main_~k~5 89), 104550#(<= ULTIMATE.start_main_~k~5 88), 104553#(<= ULTIMATE.start_main_~k~5 91), 104552#(<= ULTIMATE.start_main_~k~5 90), 104555#(<= ULTIMATE.start_main_~k~5 93), 104554#(<= ULTIMATE.start_main_~k~5 92), 104557#(<= ULTIMATE.start_main_~k~5 95), 104556#(<= ULTIMATE.start_main_~k~5 94), 104559#(<= ULTIMATE.start_main_~k~5 97), 104558#(<= ULTIMATE.start_main_~k~5 96), 104561#(<= ULTIMATE.start_main_~k~5 99), 104560#(<= ULTIMATE.start_main_~k~5 98), 104563#(<= ULTIMATE.start_main_~k~5 101), 104562#(<= ULTIMATE.start_main_~k~5 100), 104565#(<= ULTIMATE.start_main_~k~5 103), 104564#(<= ULTIMATE.start_main_~k~5 102), 104567#(<= ULTIMATE.start_main_~k~5 105), 104566#(<= ULTIMATE.start_main_~k~5 104), 104569#(<= ULTIMATE.start_main_~k~5 107), 104568#(<= ULTIMATE.start_main_~k~5 106), 104571#(<= ULTIMATE.start_main_~k~5 109), 104570#(<= ULTIMATE.start_main_~k~5 108), 104573#(<= ULTIMATE.start_main_~k~5 111), 104572#(<= ULTIMATE.start_main_~k~5 110), 104575#(<= ULTIMATE.start_main_~k~5 113), 104574#(<= ULTIMATE.start_main_~k~5 112), 104577#(<= ULTIMATE.start_main_~k~5 115), 104576#(<= ULTIMATE.start_main_~k~5 114), 104579#(<= ULTIMATE.start_main_~k~5 117), 104578#(<= ULTIMATE.start_main_~k~5 116), 104581#(<= ULTIMATE.start_main_~k~5 119), 104580#(<= ULTIMATE.start_main_~k~5 118), 104583#(<= ULTIMATE.start_main_~k~5 121), 104582#(<= ULTIMATE.start_main_~k~5 120), 104585#(<= ULTIMATE.start_main_~k~5 123), 104584#(<= ULTIMATE.start_main_~k~5 122), 104587#(<= ULTIMATE.start_main_~k~5 125), 104586#(<= ULTIMATE.start_main_~k~5 124), 104589#(<= ULTIMATE.start_main_~k~5 127), 104588#(<= ULTIMATE.start_main_~k~5 126), 104591#(<= ULTIMATE.start_main_~k~5 129), 104590#(<= ULTIMATE.start_main_~k~5 128), 104593#(<= ULTIMATE.start_main_~k~5 131), 104592#(<= ULTIMATE.start_main_~k~5 130), 104595#(<= ULTIMATE.start_main_~k~5 133), 104594#(<= ULTIMATE.start_main_~k~5 132), 104597#(<= ULTIMATE.start_main_~k~5 135), 104596#(<= ULTIMATE.start_main_~k~5 134), 104599#(<= ULTIMATE.start_main_~k~5 137), 104598#(<= ULTIMATE.start_main_~k~5 136), 104601#(<= ULTIMATE.start_main_~k~5 139), 104600#(<= ULTIMATE.start_main_~k~5 138), 104603#(<= ULTIMATE.start_main_~k~5 141), 104602#(<= ULTIMATE.start_main_~k~5 140), 104605#(<= ULTIMATE.start_main_~k~5 143), 104604#(<= ULTIMATE.start_main_~k~5 142), 104607#(<= ULTIMATE.start_main_~k~5 145), 104606#(<= ULTIMATE.start_main_~k~5 144), 104609#(<= ULTIMATE.start_main_~k~5 147), 104608#(<= ULTIMATE.start_main_~k~5 146), 104611#(<= ULTIMATE.start_main_~k~5 149), 104610#(<= ULTIMATE.start_main_~k~5 148)] [2018-07-23 13:46:40,175 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 13:46:40,176 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:46:40,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:46:40,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:46:40,179 INFO L87 Difference]: Start difference. First operand 303 states and 303 transitions. Second operand 152 states. [2018-07-23 13:46:41,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:41,056 INFO L93 Difference]: Finished difference Result 307 states and 307 transitions. [2018-07-23 13:46:41,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:46:41,056 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 302 [2018-07-23 13:46:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:41,057 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:46:41,057 INFO L226 Difference]: Without dead ends: 305 [2018-07-23 13:46:41,059 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:46:41,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-07-23 13:46:41,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2018-07-23 13:46:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-07-23 13:46:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 305 transitions. [2018-07-23 13:46:41,063 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 305 transitions. Word has length 302 [2018-07-23 13:46:41,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:41,063 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 305 transitions. [2018-07-23 13:46:41,063 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:46:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 305 transitions. [2018-07-23 13:46:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-23 13:46:41,064 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:41,064 INFO L357 BasicCegarLoop]: trace histogram [151, 150, 1, 1, 1] [2018-07-23 13:46:41,064 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash -361407165, now seen corresponding path program 150 times [2018-07-23 13:46:41,065 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:42,221 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 13:46:42,222 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:42,222 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:46:42,222 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:42,223 INFO L185 omatonBuilderFactory]: Interpolants [105985#(<= ULTIMATE.start_main_~k~5 147), 105984#(<= ULTIMATE.start_main_~k~5 146), 105987#(<= ULTIMATE.start_main_~k~5 149), 105986#(<= ULTIMATE.start_main_~k~5 148), 105988#(<= ULTIMATE.start_main_~k~5 150), 105837#false, 105836#true, 105839#(<= ULTIMATE.start_main_~k~5 1), 105838#(<= ULTIMATE.start_main_~k~5 0), 105841#(<= ULTIMATE.start_main_~k~5 3), 105840#(<= ULTIMATE.start_main_~k~5 2), 105843#(<= ULTIMATE.start_main_~k~5 5), 105842#(<= ULTIMATE.start_main_~k~5 4), 105845#(<= ULTIMATE.start_main_~k~5 7), 105844#(<= ULTIMATE.start_main_~k~5 6), 105847#(<= ULTIMATE.start_main_~k~5 9), 105846#(<= ULTIMATE.start_main_~k~5 8), 105849#(<= ULTIMATE.start_main_~k~5 11), 105848#(<= ULTIMATE.start_main_~k~5 10), 105851#(<= ULTIMATE.start_main_~k~5 13), 105850#(<= ULTIMATE.start_main_~k~5 12), 105853#(<= ULTIMATE.start_main_~k~5 15), 105852#(<= ULTIMATE.start_main_~k~5 14), 105855#(<= ULTIMATE.start_main_~k~5 17), 105854#(<= ULTIMATE.start_main_~k~5 16), 105857#(<= ULTIMATE.start_main_~k~5 19), 105856#(<= ULTIMATE.start_main_~k~5 18), 105859#(<= ULTIMATE.start_main_~k~5 21), 105858#(<= ULTIMATE.start_main_~k~5 20), 105861#(<= ULTIMATE.start_main_~k~5 23), 105860#(<= ULTIMATE.start_main_~k~5 22), 105863#(<= ULTIMATE.start_main_~k~5 25), 105862#(<= ULTIMATE.start_main_~k~5 24), 105865#(<= ULTIMATE.start_main_~k~5 27), 105864#(<= ULTIMATE.start_main_~k~5 26), 105867#(<= ULTIMATE.start_main_~k~5 29), 105866#(<= ULTIMATE.start_main_~k~5 28), 105869#(<= ULTIMATE.start_main_~k~5 31), 105868#(<= ULTIMATE.start_main_~k~5 30), 105871#(<= ULTIMATE.start_main_~k~5 33), 105870#(<= ULTIMATE.start_main_~k~5 32), 105873#(<= ULTIMATE.start_main_~k~5 35), 105872#(<= ULTIMATE.start_main_~k~5 34), 105875#(<= ULTIMATE.start_main_~k~5 37), 105874#(<= ULTIMATE.start_main_~k~5 36), 105877#(<= ULTIMATE.start_main_~k~5 39), 105876#(<= ULTIMATE.start_main_~k~5 38), 105879#(<= ULTIMATE.start_main_~k~5 41), 105878#(<= ULTIMATE.start_main_~k~5 40), 105881#(<= ULTIMATE.start_main_~k~5 43), 105880#(<= ULTIMATE.start_main_~k~5 42), 105883#(<= ULTIMATE.start_main_~k~5 45), 105882#(<= ULTIMATE.start_main_~k~5 44), 105885#(<= ULTIMATE.start_main_~k~5 47), 105884#(<= ULTIMATE.start_main_~k~5 46), 105887#(<= ULTIMATE.start_main_~k~5 49), 105886#(<= ULTIMATE.start_main_~k~5 48), 105889#(<= ULTIMATE.start_main_~k~5 51), 105888#(<= ULTIMATE.start_main_~k~5 50), 105891#(<= ULTIMATE.start_main_~k~5 53), 105890#(<= ULTIMATE.start_main_~k~5 52), 105893#(<= ULTIMATE.start_main_~k~5 55), 105892#(<= ULTIMATE.start_main_~k~5 54), 105895#(<= ULTIMATE.start_main_~k~5 57), 105894#(<= ULTIMATE.start_main_~k~5 56), 105897#(<= ULTIMATE.start_main_~k~5 59), 105896#(<= ULTIMATE.start_main_~k~5 58), 105899#(<= ULTIMATE.start_main_~k~5 61), 105898#(<= ULTIMATE.start_main_~k~5 60), 105901#(<= ULTIMATE.start_main_~k~5 63), 105900#(<= ULTIMATE.start_main_~k~5 62), 105903#(<= ULTIMATE.start_main_~k~5 65), 105902#(<= ULTIMATE.start_main_~k~5 64), 105905#(<= ULTIMATE.start_main_~k~5 67), 105904#(<= ULTIMATE.start_main_~k~5 66), 105907#(<= ULTIMATE.start_main_~k~5 69), 105906#(<= ULTIMATE.start_main_~k~5 68), 105909#(<= ULTIMATE.start_main_~k~5 71), 105908#(<= ULTIMATE.start_main_~k~5 70), 105911#(<= ULTIMATE.start_main_~k~5 73), 105910#(<= ULTIMATE.start_main_~k~5 72), 105913#(<= ULTIMATE.start_main_~k~5 75), 105912#(<= ULTIMATE.start_main_~k~5 74), 105915#(<= ULTIMATE.start_main_~k~5 77), 105914#(<= ULTIMATE.start_main_~k~5 76), 105917#(<= ULTIMATE.start_main_~k~5 79), 105916#(<= ULTIMATE.start_main_~k~5 78), 105919#(<= ULTIMATE.start_main_~k~5 81), 105918#(<= ULTIMATE.start_main_~k~5 80), 105921#(<= ULTIMATE.start_main_~k~5 83), 105920#(<= ULTIMATE.start_main_~k~5 82), 105923#(<= ULTIMATE.start_main_~k~5 85), 105922#(<= ULTIMATE.start_main_~k~5 84), 105925#(<= ULTIMATE.start_main_~k~5 87), 105924#(<= ULTIMATE.start_main_~k~5 86), 105927#(<= ULTIMATE.start_main_~k~5 89), 105926#(<= ULTIMATE.start_main_~k~5 88), 105929#(<= ULTIMATE.start_main_~k~5 91), 105928#(<= ULTIMATE.start_main_~k~5 90), 105931#(<= ULTIMATE.start_main_~k~5 93), 105930#(<= ULTIMATE.start_main_~k~5 92), 105933#(<= ULTIMATE.start_main_~k~5 95), 105932#(<= ULTIMATE.start_main_~k~5 94), 105935#(<= ULTIMATE.start_main_~k~5 97), 105934#(<= ULTIMATE.start_main_~k~5 96), 105937#(<= ULTIMATE.start_main_~k~5 99), 105936#(<= ULTIMATE.start_main_~k~5 98), 105939#(<= ULTIMATE.start_main_~k~5 101), 105938#(<= ULTIMATE.start_main_~k~5 100), 105941#(<= ULTIMATE.start_main_~k~5 103), 105940#(<= ULTIMATE.start_main_~k~5 102), 105943#(<= ULTIMATE.start_main_~k~5 105), 105942#(<= ULTIMATE.start_main_~k~5 104), 105945#(<= ULTIMATE.start_main_~k~5 107), 105944#(<= ULTIMATE.start_main_~k~5 106), 105947#(<= ULTIMATE.start_main_~k~5 109), 105946#(<= ULTIMATE.start_main_~k~5 108), 105949#(<= ULTIMATE.start_main_~k~5 111), 105948#(<= ULTIMATE.start_main_~k~5 110), 105951#(<= ULTIMATE.start_main_~k~5 113), 105950#(<= ULTIMATE.start_main_~k~5 112), 105953#(<= ULTIMATE.start_main_~k~5 115), 105952#(<= ULTIMATE.start_main_~k~5 114), 105955#(<= ULTIMATE.start_main_~k~5 117), 105954#(<= ULTIMATE.start_main_~k~5 116), 105957#(<= ULTIMATE.start_main_~k~5 119), 105956#(<= ULTIMATE.start_main_~k~5 118), 105959#(<= ULTIMATE.start_main_~k~5 121), 105958#(<= ULTIMATE.start_main_~k~5 120), 105961#(<= ULTIMATE.start_main_~k~5 123), 105960#(<= ULTIMATE.start_main_~k~5 122), 105963#(<= ULTIMATE.start_main_~k~5 125), 105962#(<= ULTIMATE.start_main_~k~5 124), 105965#(<= ULTIMATE.start_main_~k~5 127), 105964#(<= ULTIMATE.start_main_~k~5 126), 105967#(<= ULTIMATE.start_main_~k~5 129), 105966#(<= ULTIMATE.start_main_~k~5 128), 105969#(<= ULTIMATE.start_main_~k~5 131), 105968#(<= ULTIMATE.start_main_~k~5 130), 105971#(<= ULTIMATE.start_main_~k~5 133), 105970#(<= ULTIMATE.start_main_~k~5 132), 105973#(<= ULTIMATE.start_main_~k~5 135), 105972#(<= ULTIMATE.start_main_~k~5 134), 105975#(<= ULTIMATE.start_main_~k~5 137), 105974#(<= ULTIMATE.start_main_~k~5 136), 105977#(<= ULTIMATE.start_main_~k~5 139), 105976#(<= ULTIMATE.start_main_~k~5 138), 105979#(<= ULTIMATE.start_main_~k~5 141), 105978#(<= ULTIMATE.start_main_~k~5 140), 105981#(<= ULTIMATE.start_main_~k~5 143), 105980#(<= ULTIMATE.start_main_~k~5 142), 105983#(<= ULTIMATE.start_main_~k~5 145), 105982#(<= ULTIMATE.start_main_~k~5 144)] [2018-07-23 13:46:42,224 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 13:46:42,224 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:46:42,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:46:42,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:46:42,228 INFO L87 Difference]: Start difference. First operand 305 states and 305 transitions. Second operand 153 states. [2018-07-23 13:46:42,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:42,959 INFO L93 Difference]: Finished difference Result 309 states and 309 transitions. [2018-07-23 13:46:42,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:46:42,959 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 304 [2018-07-23 13:46:42,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:42,960 INFO L225 Difference]: With dead ends: 309 [2018-07-23 13:46:42,960 INFO L226 Difference]: Without dead ends: 307 [2018-07-23 13:46:42,962 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:46:42,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-07-23 13:46:42,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-07-23 13:46:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-07-23 13:46:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 307 transitions. [2018-07-23 13:46:42,965 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 307 transitions. Word has length 304 [2018-07-23 13:46:42,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:42,966 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 307 transitions. [2018-07-23 13:46:42,966 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:46:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 307 transitions. [2018-07-23 13:46:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-23 13:46:42,967 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:42,967 INFO L357 BasicCegarLoop]: trace histogram [152, 151, 1, 1, 1] [2018-07-23 13:46:42,967 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:42,967 INFO L82 PathProgramCache]: Analyzing trace with hash 580117501, now seen corresponding path program 151 times [2018-07-23 13:46:42,967 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:44,148 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 13:46:44,149 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:44,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:46:44,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:44,149 INFO L185 omatonBuilderFactory]: Interpolants [107265#(<= ULTIMATE.start_main_~k~5 42), 107264#(<= ULTIMATE.start_main_~k~5 41), 107267#(<= ULTIMATE.start_main_~k~5 44), 107266#(<= ULTIMATE.start_main_~k~5 43), 107269#(<= ULTIMATE.start_main_~k~5 46), 107268#(<= ULTIMATE.start_main_~k~5 45), 107271#(<= ULTIMATE.start_main_~k~5 48), 107270#(<= ULTIMATE.start_main_~k~5 47), 107273#(<= ULTIMATE.start_main_~k~5 50), 107272#(<= ULTIMATE.start_main_~k~5 49), 107275#(<= ULTIMATE.start_main_~k~5 52), 107274#(<= ULTIMATE.start_main_~k~5 51), 107277#(<= ULTIMATE.start_main_~k~5 54), 107276#(<= ULTIMATE.start_main_~k~5 53), 107279#(<= ULTIMATE.start_main_~k~5 56), 107278#(<= ULTIMATE.start_main_~k~5 55), 107281#(<= ULTIMATE.start_main_~k~5 58), 107280#(<= ULTIMATE.start_main_~k~5 57), 107283#(<= ULTIMATE.start_main_~k~5 60), 107282#(<= ULTIMATE.start_main_~k~5 59), 107285#(<= ULTIMATE.start_main_~k~5 62), 107284#(<= ULTIMATE.start_main_~k~5 61), 107287#(<= ULTIMATE.start_main_~k~5 64), 107286#(<= ULTIMATE.start_main_~k~5 63), 107289#(<= ULTIMATE.start_main_~k~5 66), 107288#(<= ULTIMATE.start_main_~k~5 65), 107291#(<= ULTIMATE.start_main_~k~5 68), 107290#(<= ULTIMATE.start_main_~k~5 67), 107293#(<= ULTIMATE.start_main_~k~5 70), 107292#(<= ULTIMATE.start_main_~k~5 69), 107295#(<= ULTIMATE.start_main_~k~5 72), 107294#(<= ULTIMATE.start_main_~k~5 71), 107297#(<= ULTIMATE.start_main_~k~5 74), 107296#(<= ULTIMATE.start_main_~k~5 73), 107299#(<= ULTIMATE.start_main_~k~5 76), 107298#(<= ULTIMATE.start_main_~k~5 75), 107301#(<= ULTIMATE.start_main_~k~5 78), 107300#(<= ULTIMATE.start_main_~k~5 77), 107303#(<= ULTIMATE.start_main_~k~5 80), 107302#(<= ULTIMATE.start_main_~k~5 79), 107305#(<= ULTIMATE.start_main_~k~5 82), 107304#(<= ULTIMATE.start_main_~k~5 81), 107307#(<= ULTIMATE.start_main_~k~5 84), 107306#(<= ULTIMATE.start_main_~k~5 83), 107309#(<= ULTIMATE.start_main_~k~5 86), 107308#(<= ULTIMATE.start_main_~k~5 85), 107311#(<= ULTIMATE.start_main_~k~5 88), 107310#(<= ULTIMATE.start_main_~k~5 87), 107313#(<= ULTIMATE.start_main_~k~5 90), 107312#(<= ULTIMATE.start_main_~k~5 89), 107315#(<= ULTIMATE.start_main_~k~5 92), 107314#(<= ULTIMATE.start_main_~k~5 91), 107317#(<= ULTIMATE.start_main_~k~5 94), 107316#(<= ULTIMATE.start_main_~k~5 93), 107319#(<= ULTIMATE.start_main_~k~5 96), 107318#(<= ULTIMATE.start_main_~k~5 95), 107321#(<= ULTIMATE.start_main_~k~5 98), 107320#(<= ULTIMATE.start_main_~k~5 97), 107323#(<= ULTIMATE.start_main_~k~5 100), 107322#(<= ULTIMATE.start_main_~k~5 99), 107325#(<= ULTIMATE.start_main_~k~5 102), 107324#(<= ULTIMATE.start_main_~k~5 101), 107327#(<= ULTIMATE.start_main_~k~5 104), 107326#(<= ULTIMATE.start_main_~k~5 103), 107329#(<= ULTIMATE.start_main_~k~5 106), 107328#(<= ULTIMATE.start_main_~k~5 105), 107331#(<= ULTIMATE.start_main_~k~5 108), 107330#(<= ULTIMATE.start_main_~k~5 107), 107333#(<= ULTIMATE.start_main_~k~5 110), 107332#(<= ULTIMATE.start_main_~k~5 109), 107335#(<= ULTIMATE.start_main_~k~5 112), 107334#(<= ULTIMATE.start_main_~k~5 111), 107337#(<= ULTIMATE.start_main_~k~5 114), 107336#(<= ULTIMATE.start_main_~k~5 113), 107339#(<= ULTIMATE.start_main_~k~5 116), 107338#(<= ULTIMATE.start_main_~k~5 115), 107341#(<= ULTIMATE.start_main_~k~5 118), 107340#(<= ULTIMATE.start_main_~k~5 117), 107343#(<= ULTIMATE.start_main_~k~5 120), 107342#(<= ULTIMATE.start_main_~k~5 119), 107345#(<= ULTIMATE.start_main_~k~5 122), 107344#(<= ULTIMATE.start_main_~k~5 121), 107347#(<= ULTIMATE.start_main_~k~5 124), 107346#(<= ULTIMATE.start_main_~k~5 123), 107349#(<= ULTIMATE.start_main_~k~5 126), 107348#(<= ULTIMATE.start_main_~k~5 125), 107351#(<= ULTIMATE.start_main_~k~5 128), 107350#(<= ULTIMATE.start_main_~k~5 127), 107353#(<= ULTIMATE.start_main_~k~5 130), 107352#(<= ULTIMATE.start_main_~k~5 129), 107355#(<= ULTIMATE.start_main_~k~5 132), 107354#(<= ULTIMATE.start_main_~k~5 131), 107357#(<= ULTIMATE.start_main_~k~5 134), 107356#(<= ULTIMATE.start_main_~k~5 133), 107359#(<= ULTIMATE.start_main_~k~5 136), 107358#(<= ULTIMATE.start_main_~k~5 135), 107361#(<= ULTIMATE.start_main_~k~5 138), 107360#(<= ULTIMATE.start_main_~k~5 137), 107363#(<= ULTIMATE.start_main_~k~5 140), 107362#(<= ULTIMATE.start_main_~k~5 139), 107365#(<= ULTIMATE.start_main_~k~5 142), 107364#(<= ULTIMATE.start_main_~k~5 141), 107367#(<= ULTIMATE.start_main_~k~5 144), 107366#(<= ULTIMATE.start_main_~k~5 143), 107369#(<= ULTIMATE.start_main_~k~5 146), 107368#(<= ULTIMATE.start_main_~k~5 145), 107371#(<= ULTIMATE.start_main_~k~5 148), 107370#(<= ULTIMATE.start_main_~k~5 147), 107373#(<= ULTIMATE.start_main_~k~5 150), 107372#(<= ULTIMATE.start_main_~k~5 149), 107374#(<= ULTIMATE.start_main_~k~5 151), 107221#true, 107223#(<= ULTIMATE.start_main_~k~5 0), 107222#false, 107225#(<= ULTIMATE.start_main_~k~5 2), 107224#(<= ULTIMATE.start_main_~k~5 1), 107227#(<= ULTIMATE.start_main_~k~5 4), 107226#(<= ULTIMATE.start_main_~k~5 3), 107229#(<= ULTIMATE.start_main_~k~5 6), 107228#(<= ULTIMATE.start_main_~k~5 5), 107231#(<= ULTIMATE.start_main_~k~5 8), 107230#(<= ULTIMATE.start_main_~k~5 7), 107233#(<= ULTIMATE.start_main_~k~5 10), 107232#(<= ULTIMATE.start_main_~k~5 9), 107235#(<= ULTIMATE.start_main_~k~5 12), 107234#(<= ULTIMATE.start_main_~k~5 11), 107237#(<= ULTIMATE.start_main_~k~5 14), 107236#(<= ULTIMATE.start_main_~k~5 13), 107239#(<= ULTIMATE.start_main_~k~5 16), 107238#(<= ULTIMATE.start_main_~k~5 15), 107241#(<= ULTIMATE.start_main_~k~5 18), 107240#(<= ULTIMATE.start_main_~k~5 17), 107243#(<= ULTIMATE.start_main_~k~5 20), 107242#(<= ULTIMATE.start_main_~k~5 19), 107245#(<= ULTIMATE.start_main_~k~5 22), 107244#(<= ULTIMATE.start_main_~k~5 21), 107247#(<= ULTIMATE.start_main_~k~5 24), 107246#(<= ULTIMATE.start_main_~k~5 23), 107249#(<= ULTIMATE.start_main_~k~5 26), 107248#(<= ULTIMATE.start_main_~k~5 25), 107251#(<= ULTIMATE.start_main_~k~5 28), 107250#(<= ULTIMATE.start_main_~k~5 27), 107253#(<= ULTIMATE.start_main_~k~5 30), 107252#(<= ULTIMATE.start_main_~k~5 29), 107255#(<= ULTIMATE.start_main_~k~5 32), 107254#(<= ULTIMATE.start_main_~k~5 31), 107257#(<= ULTIMATE.start_main_~k~5 34), 107256#(<= ULTIMATE.start_main_~k~5 33), 107259#(<= ULTIMATE.start_main_~k~5 36), 107258#(<= ULTIMATE.start_main_~k~5 35), 107261#(<= ULTIMATE.start_main_~k~5 38), 107260#(<= ULTIMATE.start_main_~k~5 37), 107263#(<= ULTIMATE.start_main_~k~5 40), 107262#(<= ULTIMATE.start_main_~k~5 39)] [2018-07-23 13:46:44,150 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 13:46:44,151 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:46:44,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:46:44,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:46:44,152 INFO L87 Difference]: Start difference. First operand 307 states and 307 transitions. Second operand 154 states. [2018-07-23 13:46:44,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:44,657 INFO L93 Difference]: Finished difference Result 311 states and 311 transitions. [2018-07-23 13:46:44,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:46:44,658 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 306 [2018-07-23 13:46:44,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:44,659 INFO L225 Difference]: With dead ends: 311 [2018-07-23 13:46:44,659 INFO L226 Difference]: Without dead ends: 309 [2018-07-23 13:46:44,660 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:46:44,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-07-23 13:46:44,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-07-23 13:46:44,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-07-23 13:46:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 309 transitions. [2018-07-23 13:46:44,665 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 309 transitions. Word has length 306 [2018-07-23 13:46:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:44,665 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 309 transitions. [2018-07-23 13:46:44,666 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:46:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 309 transitions. [2018-07-23 13:46:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-07-23 13:46:44,667 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:44,667 INFO L357 BasicCegarLoop]: trace histogram [153, 152, 1, 1, 1] [2018-07-23 13:46:44,667 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:44,667 INFO L82 PathProgramCache]: Analyzing trace with hash -852777929, now seen corresponding path program 152 times [2018-07-23 13:46:44,668 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:45,893 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 13:46:45,893 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:45,894 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:46:45,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:45,894 INFO L185 omatonBuilderFactory]: Interpolants [108615#true, 108617#(<= ULTIMATE.start_main_~k~5 0), 108616#false, 108619#(<= ULTIMATE.start_main_~k~5 2), 108618#(<= ULTIMATE.start_main_~k~5 1), 108621#(<= ULTIMATE.start_main_~k~5 4), 108620#(<= ULTIMATE.start_main_~k~5 3), 108623#(<= ULTIMATE.start_main_~k~5 6), 108622#(<= ULTIMATE.start_main_~k~5 5), 108625#(<= ULTIMATE.start_main_~k~5 8), 108624#(<= ULTIMATE.start_main_~k~5 7), 108627#(<= ULTIMATE.start_main_~k~5 10), 108626#(<= ULTIMATE.start_main_~k~5 9), 108629#(<= ULTIMATE.start_main_~k~5 12), 108628#(<= ULTIMATE.start_main_~k~5 11), 108631#(<= ULTIMATE.start_main_~k~5 14), 108630#(<= ULTIMATE.start_main_~k~5 13), 108633#(<= ULTIMATE.start_main_~k~5 16), 108632#(<= ULTIMATE.start_main_~k~5 15), 108635#(<= ULTIMATE.start_main_~k~5 18), 108634#(<= ULTIMATE.start_main_~k~5 17), 108637#(<= ULTIMATE.start_main_~k~5 20), 108636#(<= ULTIMATE.start_main_~k~5 19), 108639#(<= ULTIMATE.start_main_~k~5 22), 108638#(<= ULTIMATE.start_main_~k~5 21), 108641#(<= ULTIMATE.start_main_~k~5 24), 108640#(<= ULTIMATE.start_main_~k~5 23), 108643#(<= ULTIMATE.start_main_~k~5 26), 108642#(<= ULTIMATE.start_main_~k~5 25), 108645#(<= ULTIMATE.start_main_~k~5 28), 108644#(<= ULTIMATE.start_main_~k~5 27), 108647#(<= ULTIMATE.start_main_~k~5 30), 108646#(<= ULTIMATE.start_main_~k~5 29), 108649#(<= ULTIMATE.start_main_~k~5 32), 108648#(<= ULTIMATE.start_main_~k~5 31), 108651#(<= ULTIMATE.start_main_~k~5 34), 108650#(<= ULTIMATE.start_main_~k~5 33), 108653#(<= ULTIMATE.start_main_~k~5 36), 108652#(<= ULTIMATE.start_main_~k~5 35), 108655#(<= ULTIMATE.start_main_~k~5 38), 108654#(<= ULTIMATE.start_main_~k~5 37), 108657#(<= ULTIMATE.start_main_~k~5 40), 108656#(<= ULTIMATE.start_main_~k~5 39), 108659#(<= ULTIMATE.start_main_~k~5 42), 108658#(<= ULTIMATE.start_main_~k~5 41), 108661#(<= ULTIMATE.start_main_~k~5 44), 108660#(<= ULTIMATE.start_main_~k~5 43), 108663#(<= ULTIMATE.start_main_~k~5 46), 108662#(<= ULTIMATE.start_main_~k~5 45), 108665#(<= ULTIMATE.start_main_~k~5 48), 108664#(<= ULTIMATE.start_main_~k~5 47), 108667#(<= ULTIMATE.start_main_~k~5 50), 108666#(<= ULTIMATE.start_main_~k~5 49), 108669#(<= ULTIMATE.start_main_~k~5 52), 108668#(<= ULTIMATE.start_main_~k~5 51), 108671#(<= ULTIMATE.start_main_~k~5 54), 108670#(<= ULTIMATE.start_main_~k~5 53), 108673#(<= ULTIMATE.start_main_~k~5 56), 108672#(<= ULTIMATE.start_main_~k~5 55), 108675#(<= ULTIMATE.start_main_~k~5 58), 108674#(<= ULTIMATE.start_main_~k~5 57), 108677#(<= ULTIMATE.start_main_~k~5 60), 108676#(<= ULTIMATE.start_main_~k~5 59), 108679#(<= ULTIMATE.start_main_~k~5 62), 108678#(<= ULTIMATE.start_main_~k~5 61), 108681#(<= ULTIMATE.start_main_~k~5 64), 108680#(<= ULTIMATE.start_main_~k~5 63), 108683#(<= ULTIMATE.start_main_~k~5 66), 108682#(<= ULTIMATE.start_main_~k~5 65), 108685#(<= ULTIMATE.start_main_~k~5 68), 108684#(<= ULTIMATE.start_main_~k~5 67), 108687#(<= ULTIMATE.start_main_~k~5 70), 108686#(<= ULTIMATE.start_main_~k~5 69), 108689#(<= ULTIMATE.start_main_~k~5 72), 108688#(<= ULTIMATE.start_main_~k~5 71), 108691#(<= ULTIMATE.start_main_~k~5 74), 108690#(<= ULTIMATE.start_main_~k~5 73), 108693#(<= ULTIMATE.start_main_~k~5 76), 108692#(<= ULTIMATE.start_main_~k~5 75), 108695#(<= ULTIMATE.start_main_~k~5 78), 108694#(<= ULTIMATE.start_main_~k~5 77), 108697#(<= ULTIMATE.start_main_~k~5 80), 108696#(<= ULTIMATE.start_main_~k~5 79), 108699#(<= ULTIMATE.start_main_~k~5 82), 108698#(<= ULTIMATE.start_main_~k~5 81), 108701#(<= ULTIMATE.start_main_~k~5 84), 108700#(<= ULTIMATE.start_main_~k~5 83), 108703#(<= ULTIMATE.start_main_~k~5 86), 108702#(<= ULTIMATE.start_main_~k~5 85), 108705#(<= ULTIMATE.start_main_~k~5 88), 108704#(<= ULTIMATE.start_main_~k~5 87), 108707#(<= ULTIMATE.start_main_~k~5 90), 108706#(<= ULTIMATE.start_main_~k~5 89), 108709#(<= ULTIMATE.start_main_~k~5 92), 108708#(<= ULTIMATE.start_main_~k~5 91), 108711#(<= ULTIMATE.start_main_~k~5 94), 108710#(<= ULTIMATE.start_main_~k~5 93), 108713#(<= ULTIMATE.start_main_~k~5 96), 108712#(<= ULTIMATE.start_main_~k~5 95), 108715#(<= ULTIMATE.start_main_~k~5 98), 108714#(<= ULTIMATE.start_main_~k~5 97), 108717#(<= ULTIMATE.start_main_~k~5 100), 108716#(<= ULTIMATE.start_main_~k~5 99), 108719#(<= ULTIMATE.start_main_~k~5 102), 108718#(<= ULTIMATE.start_main_~k~5 101), 108721#(<= ULTIMATE.start_main_~k~5 104), 108720#(<= ULTIMATE.start_main_~k~5 103), 108723#(<= ULTIMATE.start_main_~k~5 106), 108722#(<= ULTIMATE.start_main_~k~5 105), 108725#(<= ULTIMATE.start_main_~k~5 108), 108724#(<= ULTIMATE.start_main_~k~5 107), 108727#(<= ULTIMATE.start_main_~k~5 110), 108726#(<= ULTIMATE.start_main_~k~5 109), 108729#(<= ULTIMATE.start_main_~k~5 112), 108728#(<= ULTIMATE.start_main_~k~5 111), 108731#(<= ULTIMATE.start_main_~k~5 114), 108730#(<= ULTIMATE.start_main_~k~5 113), 108733#(<= ULTIMATE.start_main_~k~5 116), 108732#(<= ULTIMATE.start_main_~k~5 115), 108735#(<= ULTIMATE.start_main_~k~5 118), 108734#(<= ULTIMATE.start_main_~k~5 117), 108737#(<= ULTIMATE.start_main_~k~5 120), 108736#(<= ULTIMATE.start_main_~k~5 119), 108739#(<= ULTIMATE.start_main_~k~5 122), 108738#(<= ULTIMATE.start_main_~k~5 121), 108741#(<= ULTIMATE.start_main_~k~5 124), 108740#(<= ULTIMATE.start_main_~k~5 123), 108743#(<= ULTIMATE.start_main_~k~5 126), 108742#(<= ULTIMATE.start_main_~k~5 125), 108745#(<= ULTIMATE.start_main_~k~5 128), 108744#(<= ULTIMATE.start_main_~k~5 127), 108747#(<= ULTIMATE.start_main_~k~5 130), 108746#(<= ULTIMATE.start_main_~k~5 129), 108749#(<= ULTIMATE.start_main_~k~5 132), 108748#(<= ULTIMATE.start_main_~k~5 131), 108751#(<= ULTIMATE.start_main_~k~5 134), 108750#(<= ULTIMATE.start_main_~k~5 133), 108753#(<= ULTIMATE.start_main_~k~5 136), 108752#(<= ULTIMATE.start_main_~k~5 135), 108755#(<= ULTIMATE.start_main_~k~5 138), 108754#(<= ULTIMATE.start_main_~k~5 137), 108757#(<= ULTIMATE.start_main_~k~5 140), 108756#(<= ULTIMATE.start_main_~k~5 139), 108759#(<= ULTIMATE.start_main_~k~5 142), 108758#(<= ULTIMATE.start_main_~k~5 141), 108761#(<= ULTIMATE.start_main_~k~5 144), 108760#(<= ULTIMATE.start_main_~k~5 143), 108763#(<= ULTIMATE.start_main_~k~5 146), 108762#(<= ULTIMATE.start_main_~k~5 145), 108765#(<= ULTIMATE.start_main_~k~5 148), 108764#(<= ULTIMATE.start_main_~k~5 147), 108767#(<= ULTIMATE.start_main_~k~5 150), 108766#(<= ULTIMATE.start_main_~k~5 149), 108769#(<= ULTIMATE.start_main_~k~5 152), 108768#(<= ULTIMATE.start_main_~k~5 151)] [2018-07-23 13:46:45,895 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 13:46:45,896 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:46:45,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:46:45,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:46:45,899 INFO L87 Difference]: Start difference. First operand 309 states and 309 transitions. Second operand 155 states. [2018-07-23 13:46:46,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:46,721 INFO L93 Difference]: Finished difference Result 313 states and 313 transitions. [2018-07-23 13:46:46,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:46:46,722 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 308 [2018-07-23 13:46:46,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:46,722 INFO L225 Difference]: With dead ends: 313 [2018-07-23 13:46:46,723 INFO L226 Difference]: Without dead ends: 311 [2018-07-23 13:46:46,725 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 13:46:46,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-23 13:46:46,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-07-23 13:46:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-07-23 13:46:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 311 transitions. [2018-07-23 13:46:46,728 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 311 transitions. Word has length 308 [2018-07-23 13:46:46,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:46,729 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 311 transitions. [2018-07-23 13:46:46,729 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:46:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 311 transitions. [2018-07-23 13:46:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-07-23 13:46:46,730 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:46,730 INFO L357 BasicCegarLoop]: trace histogram [154, 153, 1, 1, 1] [2018-07-23 13:46:46,731 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:46,731 INFO L82 PathProgramCache]: Analyzing trace with hash 819215857, now seen corresponding path program 153 times [2018-07-23 13:46:46,731 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:47,909 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 13:46:47,909 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:47,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:46:47,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,910 INFO L185 omatonBuilderFactory]: Interpolants [110081#(<= ULTIMATE.start_main_~k~5 61), 110080#(<= ULTIMATE.start_main_~k~5 60), 110083#(<= ULTIMATE.start_main_~k~5 63), 110082#(<= ULTIMATE.start_main_~k~5 62), 110085#(<= ULTIMATE.start_main_~k~5 65), 110084#(<= ULTIMATE.start_main_~k~5 64), 110087#(<= ULTIMATE.start_main_~k~5 67), 110086#(<= ULTIMATE.start_main_~k~5 66), 110089#(<= ULTIMATE.start_main_~k~5 69), 110088#(<= ULTIMATE.start_main_~k~5 68), 110091#(<= ULTIMATE.start_main_~k~5 71), 110090#(<= ULTIMATE.start_main_~k~5 70), 110093#(<= ULTIMATE.start_main_~k~5 73), 110092#(<= ULTIMATE.start_main_~k~5 72), 110095#(<= ULTIMATE.start_main_~k~5 75), 110094#(<= ULTIMATE.start_main_~k~5 74), 110097#(<= ULTIMATE.start_main_~k~5 77), 110096#(<= ULTIMATE.start_main_~k~5 76), 110099#(<= ULTIMATE.start_main_~k~5 79), 110098#(<= ULTIMATE.start_main_~k~5 78), 110101#(<= ULTIMATE.start_main_~k~5 81), 110100#(<= ULTIMATE.start_main_~k~5 80), 110103#(<= ULTIMATE.start_main_~k~5 83), 110102#(<= ULTIMATE.start_main_~k~5 82), 110105#(<= ULTIMATE.start_main_~k~5 85), 110104#(<= ULTIMATE.start_main_~k~5 84), 110107#(<= ULTIMATE.start_main_~k~5 87), 110106#(<= ULTIMATE.start_main_~k~5 86), 110109#(<= ULTIMATE.start_main_~k~5 89), 110108#(<= ULTIMATE.start_main_~k~5 88), 110111#(<= ULTIMATE.start_main_~k~5 91), 110110#(<= ULTIMATE.start_main_~k~5 90), 110113#(<= ULTIMATE.start_main_~k~5 93), 110112#(<= ULTIMATE.start_main_~k~5 92), 110115#(<= ULTIMATE.start_main_~k~5 95), 110114#(<= ULTIMATE.start_main_~k~5 94), 110117#(<= ULTIMATE.start_main_~k~5 97), 110116#(<= ULTIMATE.start_main_~k~5 96), 110119#(<= ULTIMATE.start_main_~k~5 99), 110118#(<= ULTIMATE.start_main_~k~5 98), 110121#(<= ULTIMATE.start_main_~k~5 101), 110120#(<= ULTIMATE.start_main_~k~5 100), 110123#(<= ULTIMATE.start_main_~k~5 103), 110122#(<= ULTIMATE.start_main_~k~5 102), 110125#(<= ULTIMATE.start_main_~k~5 105), 110124#(<= ULTIMATE.start_main_~k~5 104), 110127#(<= ULTIMATE.start_main_~k~5 107), 110126#(<= ULTIMATE.start_main_~k~5 106), 110129#(<= ULTIMATE.start_main_~k~5 109), 110128#(<= ULTIMATE.start_main_~k~5 108), 110131#(<= ULTIMATE.start_main_~k~5 111), 110130#(<= ULTIMATE.start_main_~k~5 110), 110133#(<= ULTIMATE.start_main_~k~5 113), 110132#(<= ULTIMATE.start_main_~k~5 112), 110135#(<= ULTIMATE.start_main_~k~5 115), 110134#(<= ULTIMATE.start_main_~k~5 114), 110137#(<= ULTIMATE.start_main_~k~5 117), 110136#(<= ULTIMATE.start_main_~k~5 116), 110139#(<= ULTIMATE.start_main_~k~5 119), 110138#(<= ULTIMATE.start_main_~k~5 118), 110141#(<= ULTIMATE.start_main_~k~5 121), 110140#(<= ULTIMATE.start_main_~k~5 120), 110143#(<= ULTIMATE.start_main_~k~5 123), 110142#(<= ULTIMATE.start_main_~k~5 122), 110145#(<= ULTIMATE.start_main_~k~5 125), 110144#(<= ULTIMATE.start_main_~k~5 124), 110147#(<= ULTIMATE.start_main_~k~5 127), 110146#(<= ULTIMATE.start_main_~k~5 126), 110149#(<= ULTIMATE.start_main_~k~5 129), 110148#(<= ULTIMATE.start_main_~k~5 128), 110151#(<= ULTIMATE.start_main_~k~5 131), 110150#(<= ULTIMATE.start_main_~k~5 130), 110153#(<= ULTIMATE.start_main_~k~5 133), 110152#(<= ULTIMATE.start_main_~k~5 132), 110155#(<= ULTIMATE.start_main_~k~5 135), 110154#(<= ULTIMATE.start_main_~k~5 134), 110157#(<= ULTIMATE.start_main_~k~5 137), 110156#(<= ULTIMATE.start_main_~k~5 136), 110159#(<= ULTIMATE.start_main_~k~5 139), 110158#(<= ULTIMATE.start_main_~k~5 138), 110161#(<= ULTIMATE.start_main_~k~5 141), 110160#(<= ULTIMATE.start_main_~k~5 140), 110163#(<= ULTIMATE.start_main_~k~5 143), 110162#(<= ULTIMATE.start_main_~k~5 142), 110165#(<= ULTIMATE.start_main_~k~5 145), 110164#(<= ULTIMATE.start_main_~k~5 144), 110167#(<= ULTIMATE.start_main_~k~5 147), 110166#(<= ULTIMATE.start_main_~k~5 146), 110169#(<= ULTIMATE.start_main_~k~5 149), 110168#(<= ULTIMATE.start_main_~k~5 148), 110171#(<= ULTIMATE.start_main_~k~5 151), 110170#(<= ULTIMATE.start_main_~k~5 150), 110173#(<= ULTIMATE.start_main_~k~5 153), 110172#(<= ULTIMATE.start_main_~k~5 152), 110019#false, 110018#true, 110021#(<= ULTIMATE.start_main_~k~5 1), 110020#(<= ULTIMATE.start_main_~k~5 0), 110023#(<= ULTIMATE.start_main_~k~5 3), 110022#(<= ULTIMATE.start_main_~k~5 2), 110025#(<= ULTIMATE.start_main_~k~5 5), 110024#(<= ULTIMATE.start_main_~k~5 4), 110027#(<= ULTIMATE.start_main_~k~5 7), 110026#(<= ULTIMATE.start_main_~k~5 6), 110029#(<= ULTIMATE.start_main_~k~5 9), 110028#(<= ULTIMATE.start_main_~k~5 8), 110031#(<= ULTIMATE.start_main_~k~5 11), 110030#(<= ULTIMATE.start_main_~k~5 10), 110033#(<= ULTIMATE.start_main_~k~5 13), 110032#(<= ULTIMATE.start_main_~k~5 12), 110035#(<= ULTIMATE.start_main_~k~5 15), 110034#(<= ULTIMATE.start_main_~k~5 14), 110037#(<= ULTIMATE.start_main_~k~5 17), 110036#(<= ULTIMATE.start_main_~k~5 16), 110039#(<= ULTIMATE.start_main_~k~5 19), 110038#(<= ULTIMATE.start_main_~k~5 18), 110041#(<= ULTIMATE.start_main_~k~5 21), 110040#(<= ULTIMATE.start_main_~k~5 20), 110043#(<= ULTIMATE.start_main_~k~5 23), 110042#(<= ULTIMATE.start_main_~k~5 22), 110045#(<= ULTIMATE.start_main_~k~5 25), 110044#(<= ULTIMATE.start_main_~k~5 24), 110047#(<= ULTIMATE.start_main_~k~5 27), 110046#(<= ULTIMATE.start_main_~k~5 26), 110049#(<= ULTIMATE.start_main_~k~5 29), 110048#(<= ULTIMATE.start_main_~k~5 28), 110051#(<= ULTIMATE.start_main_~k~5 31), 110050#(<= ULTIMATE.start_main_~k~5 30), 110053#(<= ULTIMATE.start_main_~k~5 33), 110052#(<= ULTIMATE.start_main_~k~5 32), 110055#(<= ULTIMATE.start_main_~k~5 35), 110054#(<= ULTIMATE.start_main_~k~5 34), 110057#(<= ULTIMATE.start_main_~k~5 37), 110056#(<= ULTIMATE.start_main_~k~5 36), 110059#(<= ULTIMATE.start_main_~k~5 39), 110058#(<= ULTIMATE.start_main_~k~5 38), 110061#(<= ULTIMATE.start_main_~k~5 41), 110060#(<= ULTIMATE.start_main_~k~5 40), 110063#(<= ULTIMATE.start_main_~k~5 43), 110062#(<= ULTIMATE.start_main_~k~5 42), 110065#(<= ULTIMATE.start_main_~k~5 45), 110064#(<= ULTIMATE.start_main_~k~5 44), 110067#(<= ULTIMATE.start_main_~k~5 47), 110066#(<= ULTIMATE.start_main_~k~5 46), 110069#(<= ULTIMATE.start_main_~k~5 49), 110068#(<= ULTIMATE.start_main_~k~5 48), 110071#(<= ULTIMATE.start_main_~k~5 51), 110070#(<= ULTIMATE.start_main_~k~5 50), 110073#(<= ULTIMATE.start_main_~k~5 53), 110072#(<= ULTIMATE.start_main_~k~5 52), 110075#(<= ULTIMATE.start_main_~k~5 55), 110074#(<= ULTIMATE.start_main_~k~5 54), 110077#(<= ULTIMATE.start_main_~k~5 57), 110076#(<= ULTIMATE.start_main_~k~5 56), 110079#(<= ULTIMATE.start_main_~k~5 59), 110078#(<= ULTIMATE.start_main_~k~5 58)] [2018-07-23 13:46:47,912 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 13:46:47,912 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:46:47,914 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:46:47,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:46:47,915 INFO L87 Difference]: Start difference. First operand 311 states and 311 transitions. Second operand 156 states. [2018-07-23 13:46:48,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:48,319 INFO L93 Difference]: Finished difference Result 315 states and 315 transitions. [2018-07-23 13:46:48,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:46:48,320 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 310 [2018-07-23 13:46:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:48,320 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:46:48,320 INFO L226 Difference]: Without dead ends: 313 [2018-07-23 13:46:48,323 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 13:46:48,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-23 13:46:48,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-07-23 13:46:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-07-23 13:46:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 313 transitions. [2018-07-23 13:46:48,328 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 313 transitions. Word has length 310 [2018-07-23 13:46:48,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:48,328 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 313 transitions. [2018-07-23 13:46:48,328 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:46:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 313 transitions. [2018-07-23 13:46:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-07-23 13:46:48,329 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:48,329 INFO L357 BasicCegarLoop]: trace histogram [155, 154, 1, 1, 1] [2018-07-23 13:46:48,330 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:48,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1287475499, now seen corresponding path program 154 times [2018-07-23 13:46:48,330 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,521 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:49,521 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:46:49,521 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,522 INFO L185 omatonBuilderFactory]: Interpolants [111431#false, 111430#true, 111433#(<= ULTIMATE.start_main_~k~5 1), 111432#(<= ULTIMATE.start_main_~k~5 0), 111435#(<= ULTIMATE.start_main_~k~5 3), 111434#(<= ULTIMATE.start_main_~k~5 2), 111437#(<= ULTIMATE.start_main_~k~5 5), 111436#(<= ULTIMATE.start_main_~k~5 4), 111439#(<= ULTIMATE.start_main_~k~5 7), 111438#(<= ULTIMATE.start_main_~k~5 6), 111441#(<= ULTIMATE.start_main_~k~5 9), 111440#(<= ULTIMATE.start_main_~k~5 8), 111443#(<= ULTIMATE.start_main_~k~5 11), 111442#(<= ULTIMATE.start_main_~k~5 10), 111445#(<= ULTIMATE.start_main_~k~5 13), 111444#(<= ULTIMATE.start_main_~k~5 12), 111447#(<= ULTIMATE.start_main_~k~5 15), 111446#(<= ULTIMATE.start_main_~k~5 14), 111449#(<= ULTIMATE.start_main_~k~5 17), 111448#(<= ULTIMATE.start_main_~k~5 16), 111451#(<= ULTIMATE.start_main_~k~5 19), 111450#(<= ULTIMATE.start_main_~k~5 18), 111453#(<= ULTIMATE.start_main_~k~5 21), 111452#(<= ULTIMATE.start_main_~k~5 20), 111455#(<= ULTIMATE.start_main_~k~5 23), 111454#(<= ULTIMATE.start_main_~k~5 22), 111457#(<= ULTIMATE.start_main_~k~5 25), 111456#(<= ULTIMATE.start_main_~k~5 24), 111459#(<= ULTIMATE.start_main_~k~5 27), 111458#(<= ULTIMATE.start_main_~k~5 26), 111461#(<= ULTIMATE.start_main_~k~5 29), 111460#(<= ULTIMATE.start_main_~k~5 28), 111463#(<= ULTIMATE.start_main_~k~5 31), 111462#(<= ULTIMATE.start_main_~k~5 30), 111465#(<= ULTIMATE.start_main_~k~5 33), 111464#(<= ULTIMATE.start_main_~k~5 32), 111467#(<= ULTIMATE.start_main_~k~5 35), 111466#(<= ULTIMATE.start_main_~k~5 34), 111469#(<= ULTIMATE.start_main_~k~5 37), 111468#(<= ULTIMATE.start_main_~k~5 36), 111471#(<= ULTIMATE.start_main_~k~5 39), 111470#(<= ULTIMATE.start_main_~k~5 38), 111473#(<= ULTIMATE.start_main_~k~5 41), 111472#(<= ULTIMATE.start_main_~k~5 40), 111475#(<= ULTIMATE.start_main_~k~5 43), 111474#(<= ULTIMATE.start_main_~k~5 42), 111477#(<= ULTIMATE.start_main_~k~5 45), 111476#(<= ULTIMATE.start_main_~k~5 44), 111479#(<= ULTIMATE.start_main_~k~5 47), 111478#(<= ULTIMATE.start_main_~k~5 46), 111481#(<= ULTIMATE.start_main_~k~5 49), 111480#(<= ULTIMATE.start_main_~k~5 48), 111483#(<= ULTIMATE.start_main_~k~5 51), 111482#(<= ULTIMATE.start_main_~k~5 50), 111485#(<= ULTIMATE.start_main_~k~5 53), 111484#(<= ULTIMATE.start_main_~k~5 52), 111487#(<= ULTIMATE.start_main_~k~5 55), 111486#(<= ULTIMATE.start_main_~k~5 54), 111489#(<= ULTIMATE.start_main_~k~5 57), 111488#(<= ULTIMATE.start_main_~k~5 56), 111491#(<= ULTIMATE.start_main_~k~5 59), 111490#(<= ULTIMATE.start_main_~k~5 58), 111493#(<= ULTIMATE.start_main_~k~5 61), 111492#(<= ULTIMATE.start_main_~k~5 60), 111495#(<= ULTIMATE.start_main_~k~5 63), 111494#(<= ULTIMATE.start_main_~k~5 62), 111497#(<= ULTIMATE.start_main_~k~5 65), 111496#(<= ULTIMATE.start_main_~k~5 64), 111499#(<= ULTIMATE.start_main_~k~5 67), 111498#(<= ULTIMATE.start_main_~k~5 66), 111501#(<= ULTIMATE.start_main_~k~5 69), 111500#(<= ULTIMATE.start_main_~k~5 68), 111503#(<= ULTIMATE.start_main_~k~5 71), 111502#(<= ULTIMATE.start_main_~k~5 70), 111505#(<= ULTIMATE.start_main_~k~5 73), 111504#(<= ULTIMATE.start_main_~k~5 72), 111507#(<= ULTIMATE.start_main_~k~5 75), 111506#(<= ULTIMATE.start_main_~k~5 74), 111509#(<= ULTIMATE.start_main_~k~5 77), 111508#(<= ULTIMATE.start_main_~k~5 76), 111511#(<= ULTIMATE.start_main_~k~5 79), 111510#(<= ULTIMATE.start_main_~k~5 78), 111513#(<= ULTIMATE.start_main_~k~5 81), 111512#(<= ULTIMATE.start_main_~k~5 80), 111515#(<= ULTIMATE.start_main_~k~5 83), 111514#(<= ULTIMATE.start_main_~k~5 82), 111517#(<= ULTIMATE.start_main_~k~5 85), 111516#(<= ULTIMATE.start_main_~k~5 84), 111519#(<= ULTIMATE.start_main_~k~5 87), 111518#(<= ULTIMATE.start_main_~k~5 86), 111521#(<= ULTIMATE.start_main_~k~5 89), 111520#(<= ULTIMATE.start_main_~k~5 88), 111523#(<= ULTIMATE.start_main_~k~5 91), 111522#(<= ULTIMATE.start_main_~k~5 90), 111525#(<= ULTIMATE.start_main_~k~5 93), 111524#(<= ULTIMATE.start_main_~k~5 92), 111527#(<= ULTIMATE.start_main_~k~5 95), 111526#(<= ULTIMATE.start_main_~k~5 94), 111529#(<= ULTIMATE.start_main_~k~5 97), 111528#(<= ULTIMATE.start_main_~k~5 96), 111531#(<= ULTIMATE.start_main_~k~5 99), 111530#(<= ULTIMATE.start_main_~k~5 98), 111533#(<= ULTIMATE.start_main_~k~5 101), 111532#(<= ULTIMATE.start_main_~k~5 100), 111535#(<= ULTIMATE.start_main_~k~5 103), 111534#(<= ULTIMATE.start_main_~k~5 102), 111537#(<= ULTIMATE.start_main_~k~5 105), 111536#(<= ULTIMATE.start_main_~k~5 104), 111539#(<= ULTIMATE.start_main_~k~5 107), 111538#(<= ULTIMATE.start_main_~k~5 106), 111541#(<= ULTIMATE.start_main_~k~5 109), 111540#(<= ULTIMATE.start_main_~k~5 108), 111543#(<= ULTIMATE.start_main_~k~5 111), 111542#(<= ULTIMATE.start_main_~k~5 110), 111545#(<= ULTIMATE.start_main_~k~5 113), 111544#(<= ULTIMATE.start_main_~k~5 112), 111547#(<= ULTIMATE.start_main_~k~5 115), 111546#(<= ULTIMATE.start_main_~k~5 114), 111549#(<= ULTIMATE.start_main_~k~5 117), 111548#(<= ULTIMATE.start_main_~k~5 116), 111551#(<= ULTIMATE.start_main_~k~5 119), 111550#(<= ULTIMATE.start_main_~k~5 118), 111553#(<= ULTIMATE.start_main_~k~5 121), 111552#(<= ULTIMATE.start_main_~k~5 120), 111555#(<= ULTIMATE.start_main_~k~5 123), 111554#(<= ULTIMATE.start_main_~k~5 122), 111557#(<= ULTIMATE.start_main_~k~5 125), 111556#(<= ULTIMATE.start_main_~k~5 124), 111559#(<= ULTIMATE.start_main_~k~5 127), 111558#(<= ULTIMATE.start_main_~k~5 126), 111561#(<= ULTIMATE.start_main_~k~5 129), 111560#(<= ULTIMATE.start_main_~k~5 128), 111563#(<= ULTIMATE.start_main_~k~5 131), 111562#(<= ULTIMATE.start_main_~k~5 130), 111565#(<= ULTIMATE.start_main_~k~5 133), 111564#(<= ULTIMATE.start_main_~k~5 132), 111567#(<= ULTIMATE.start_main_~k~5 135), 111566#(<= ULTIMATE.start_main_~k~5 134), 111569#(<= ULTIMATE.start_main_~k~5 137), 111568#(<= ULTIMATE.start_main_~k~5 136), 111571#(<= ULTIMATE.start_main_~k~5 139), 111570#(<= ULTIMATE.start_main_~k~5 138), 111573#(<= ULTIMATE.start_main_~k~5 141), 111572#(<= ULTIMATE.start_main_~k~5 140), 111575#(<= ULTIMATE.start_main_~k~5 143), 111574#(<= ULTIMATE.start_main_~k~5 142), 111577#(<= ULTIMATE.start_main_~k~5 145), 111576#(<= ULTIMATE.start_main_~k~5 144), 111579#(<= ULTIMATE.start_main_~k~5 147), 111578#(<= ULTIMATE.start_main_~k~5 146), 111581#(<= ULTIMATE.start_main_~k~5 149), 111580#(<= ULTIMATE.start_main_~k~5 148), 111583#(<= ULTIMATE.start_main_~k~5 151), 111582#(<= ULTIMATE.start_main_~k~5 150), 111585#(<= ULTIMATE.start_main_~k~5 153), 111584#(<= ULTIMATE.start_main_~k~5 152), 111586#(<= ULTIMATE.start_main_~k~5 154)] [2018-07-23 13:46:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:49,523 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:46:49,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:46:49,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:46:49,527 INFO L87 Difference]: Start difference. First operand 313 states and 313 transitions. Second operand 157 states. [2018-07-23 13:46:50,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:50,412 INFO L93 Difference]: Finished difference Result 317 states and 317 transitions. [2018-07-23 13:46:50,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:46:50,413 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 312 [2018-07-23 13:46:50,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:50,413 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:46:50,414 INFO L226 Difference]: Without dead ends: 315 [2018-07-23 13:46:50,416 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 13:46:50,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-07-23 13:46:50,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2018-07-23 13:46:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-07-23 13:46:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 315 transitions. [2018-07-23 13:46:50,421 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 315 transitions. Word has length 312 [2018-07-23 13:46:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:50,422 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 315 transitions. [2018-07-23 13:46:50,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:46:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 315 transitions. [2018-07-23 13:46:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-23 13:46:50,423 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:50,423 INFO L357 BasicCegarLoop]: trace histogram [156, 155, 1, 1, 1] [2018-07-23 13:46:50,423 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:50,423 INFO L82 PathProgramCache]: Analyzing trace with hash 313425381, now seen corresponding path program 155 times [2018-07-23 13:46:50,424 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,785 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:51,786 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:46:51,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,786 INFO L185 omatonBuilderFactory]: Interpolants [112897#(<= ULTIMATE.start_main_~k~5 44), 112896#(<= ULTIMATE.start_main_~k~5 43), 112899#(<= ULTIMATE.start_main_~k~5 46), 112898#(<= ULTIMATE.start_main_~k~5 45), 112901#(<= ULTIMATE.start_main_~k~5 48), 112900#(<= ULTIMATE.start_main_~k~5 47), 112903#(<= ULTIMATE.start_main_~k~5 50), 112902#(<= ULTIMATE.start_main_~k~5 49), 112905#(<= ULTIMATE.start_main_~k~5 52), 112904#(<= ULTIMATE.start_main_~k~5 51), 112907#(<= ULTIMATE.start_main_~k~5 54), 112906#(<= ULTIMATE.start_main_~k~5 53), 112909#(<= ULTIMATE.start_main_~k~5 56), 112908#(<= ULTIMATE.start_main_~k~5 55), 112911#(<= ULTIMATE.start_main_~k~5 58), 112910#(<= ULTIMATE.start_main_~k~5 57), 112913#(<= ULTIMATE.start_main_~k~5 60), 112912#(<= ULTIMATE.start_main_~k~5 59), 112915#(<= ULTIMATE.start_main_~k~5 62), 112914#(<= ULTIMATE.start_main_~k~5 61), 112917#(<= ULTIMATE.start_main_~k~5 64), 112916#(<= ULTIMATE.start_main_~k~5 63), 112919#(<= ULTIMATE.start_main_~k~5 66), 112918#(<= ULTIMATE.start_main_~k~5 65), 112921#(<= ULTIMATE.start_main_~k~5 68), 112920#(<= ULTIMATE.start_main_~k~5 67), 112923#(<= ULTIMATE.start_main_~k~5 70), 112922#(<= ULTIMATE.start_main_~k~5 69), 112925#(<= ULTIMATE.start_main_~k~5 72), 112924#(<= ULTIMATE.start_main_~k~5 71), 112927#(<= ULTIMATE.start_main_~k~5 74), 112926#(<= ULTIMATE.start_main_~k~5 73), 112929#(<= ULTIMATE.start_main_~k~5 76), 112928#(<= ULTIMATE.start_main_~k~5 75), 112931#(<= ULTIMATE.start_main_~k~5 78), 112930#(<= ULTIMATE.start_main_~k~5 77), 112933#(<= ULTIMATE.start_main_~k~5 80), 112932#(<= ULTIMATE.start_main_~k~5 79), 112935#(<= ULTIMATE.start_main_~k~5 82), 112934#(<= ULTIMATE.start_main_~k~5 81), 112937#(<= ULTIMATE.start_main_~k~5 84), 112936#(<= ULTIMATE.start_main_~k~5 83), 112939#(<= ULTIMATE.start_main_~k~5 86), 112938#(<= ULTIMATE.start_main_~k~5 85), 112941#(<= ULTIMATE.start_main_~k~5 88), 112940#(<= ULTIMATE.start_main_~k~5 87), 112943#(<= ULTIMATE.start_main_~k~5 90), 112942#(<= ULTIMATE.start_main_~k~5 89), 112945#(<= ULTIMATE.start_main_~k~5 92), 112944#(<= ULTIMATE.start_main_~k~5 91), 112947#(<= ULTIMATE.start_main_~k~5 94), 112946#(<= ULTIMATE.start_main_~k~5 93), 112949#(<= ULTIMATE.start_main_~k~5 96), 112948#(<= ULTIMATE.start_main_~k~5 95), 112951#(<= ULTIMATE.start_main_~k~5 98), 112950#(<= ULTIMATE.start_main_~k~5 97), 112953#(<= ULTIMATE.start_main_~k~5 100), 112952#(<= ULTIMATE.start_main_~k~5 99), 112955#(<= ULTIMATE.start_main_~k~5 102), 112954#(<= ULTIMATE.start_main_~k~5 101), 112957#(<= ULTIMATE.start_main_~k~5 104), 112956#(<= ULTIMATE.start_main_~k~5 103), 112959#(<= ULTIMATE.start_main_~k~5 106), 112958#(<= ULTIMATE.start_main_~k~5 105), 112961#(<= ULTIMATE.start_main_~k~5 108), 112960#(<= ULTIMATE.start_main_~k~5 107), 112963#(<= ULTIMATE.start_main_~k~5 110), 112962#(<= ULTIMATE.start_main_~k~5 109), 112965#(<= ULTIMATE.start_main_~k~5 112), 112964#(<= ULTIMATE.start_main_~k~5 111), 112967#(<= ULTIMATE.start_main_~k~5 114), 112966#(<= ULTIMATE.start_main_~k~5 113), 112969#(<= ULTIMATE.start_main_~k~5 116), 112968#(<= ULTIMATE.start_main_~k~5 115), 112971#(<= ULTIMATE.start_main_~k~5 118), 112970#(<= ULTIMATE.start_main_~k~5 117), 112973#(<= ULTIMATE.start_main_~k~5 120), 112972#(<= ULTIMATE.start_main_~k~5 119), 112975#(<= ULTIMATE.start_main_~k~5 122), 112974#(<= ULTIMATE.start_main_~k~5 121), 112977#(<= ULTIMATE.start_main_~k~5 124), 112976#(<= ULTIMATE.start_main_~k~5 123), 112979#(<= ULTIMATE.start_main_~k~5 126), 112978#(<= ULTIMATE.start_main_~k~5 125), 112981#(<= ULTIMATE.start_main_~k~5 128), 112980#(<= ULTIMATE.start_main_~k~5 127), 112983#(<= ULTIMATE.start_main_~k~5 130), 112982#(<= ULTIMATE.start_main_~k~5 129), 112985#(<= ULTIMATE.start_main_~k~5 132), 112984#(<= ULTIMATE.start_main_~k~5 131), 112987#(<= ULTIMATE.start_main_~k~5 134), 112986#(<= ULTIMATE.start_main_~k~5 133), 112989#(<= ULTIMATE.start_main_~k~5 136), 112988#(<= ULTIMATE.start_main_~k~5 135), 112991#(<= ULTIMATE.start_main_~k~5 138), 112990#(<= ULTIMATE.start_main_~k~5 137), 112993#(<= ULTIMATE.start_main_~k~5 140), 112992#(<= ULTIMATE.start_main_~k~5 139), 112995#(<= ULTIMATE.start_main_~k~5 142), 112994#(<= ULTIMATE.start_main_~k~5 141), 112997#(<= ULTIMATE.start_main_~k~5 144), 112996#(<= ULTIMATE.start_main_~k~5 143), 112999#(<= ULTIMATE.start_main_~k~5 146), 112998#(<= ULTIMATE.start_main_~k~5 145), 113001#(<= ULTIMATE.start_main_~k~5 148), 113000#(<= ULTIMATE.start_main_~k~5 147), 113003#(<= ULTIMATE.start_main_~k~5 150), 113002#(<= ULTIMATE.start_main_~k~5 149), 113005#(<= ULTIMATE.start_main_~k~5 152), 113004#(<= ULTIMATE.start_main_~k~5 151), 113007#(<= ULTIMATE.start_main_~k~5 154), 113006#(<= ULTIMATE.start_main_~k~5 153), 113008#(<= ULTIMATE.start_main_~k~5 155), 112851#true, 112853#(<= ULTIMATE.start_main_~k~5 0), 112852#false, 112855#(<= ULTIMATE.start_main_~k~5 2), 112854#(<= ULTIMATE.start_main_~k~5 1), 112857#(<= ULTIMATE.start_main_~k~5 4), 112856#(<= ULTIMATE.start_main_~k~5 3), 112859#(<= ULTIMATE.start_main_~k~5 6), 112858#(<= ULTIMATE.start_main_~k~5 5), 112861#(<= ULTIMATE.start_main_~k~5 8), 112860#(<= ULTIMATE.start_main_~k~5 7), 112863#(<= ULTIMATE.start_main_~k~5 10), 112862#(<= ULTIMATE.start_main_~k~5 9), 112865#(<= ULTIMATE.start_main_~k~5 12), 112864#(<= ULTIMATE.start_main_~k~5 11), 112867#(<= ULTIMATE.start_main_~k~5 14), 112866#(<= ULTIMATE.start_main_~k~5 13), 112869#(<= ULTIMATE.start_main_~k~5 16), 112868#(<= ULTIMATE.start_main_~k~5 15), 112871#(<= ULTIMATE.start_main_~k~5 18), 112870#(<= ULTIMATE.start_main_~k~5 17), 112873#(<= ULTIMATE.start_main_~k~5 20), 112872#(<= ULTIMATE.start_main_~k~5 19), 112875#(<= ULTIMATE.start_main_~k~5 22), 112874#(<= ULTIMATE.start_main_~k~5 21), 112877#(<= ULTIMATE.start_main_~k~5 24), 112876#(<= ULTIMATE.start_main_~k~5 23), 112879#(<= ULTIMATE.start_main_~k~5 26), 112878#(<= ULTIMATE.start_main_~k~5 25), 112881#(<= ULTIMATE.start_main_~k~5 28), 112880#(<= ULTIMATE.start_main_~k~5 27), 112883#(<= ULTIMATE.start_main_~k~5 30), 112882#(<= ULTIMATE.start_main_~k~5 29), 112885#(<= ULTIMATE.start_main_~k~5 32), 112884#(<= ULTIMATE.start_main_~k~5 31), 112887#(<= ULTIMATE.start_main_~k~5 34), 112886#(<= ULTIMATE.start_main_~k~5 33), 112889#(<= ULTIMATE.start_main_~k~5 36), 112888#(<= ULTIMATE.start_main_~k~5 35), 112891#(<= ULTIMATE.start_main_~k~5 38), 112890#(<= ULTIMATE.start_main_~k~5 37), 112893#(<= ULTIMATE.start_main_~k~5 40), 112892#(<= ULTIMATE.start_main_~k~5 39), 112895#(<= ULTIMATE.start_main_~k~5 42), 112894#(<= ULTIMATE.start_main_~k~5 41)] [2018-07-23 13:46:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,787 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:46:51,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:46:51,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:46:51,791 INFO L87 Difference]: Start difference. First operand 315 states and 315 transitions. Second operand 158 states. [2018-07-23 13:46:52,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:52,335 INFO L93 Difference]: Finished difference Result 319 states and 319 transitions. [2018-07-23 13:46:52,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:46:52,335 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 314 [2018-07-23 13:46:52,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:52,336 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:46:52,336 INFO L226 Difference]: Without dead ends: 317 [2018-07-23 13:46:52,338 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 13:46:52,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-07-23 13:46:52,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-07-23 13:46:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-07-23 13:46:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 317 transitions. [2018-07-23 13:46:52,342 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 317 transitions. Word has length 314 [2018-07-23 13:46:52,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:52,342 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 317 transitions. [2018-07-23 13:46:52,342 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:46:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 317 transitions. [2018-07-23 13:46:52,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-07-23 13:46:52,343 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:52,343 INFO L357 BasicCegarLoop]: trace histogram [157, 156, 1, 1, 1] [2018-07-23 13:46:52,343 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:52,344 INFO L82 PathProgramCache]: Analyzing trace with hash 554132511, now seen corresponding path program 156 times [2018-07-23 13:46:52,344 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:53,630 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:53,630 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:46:53,631 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:53,631 INFO L185 omatonBuilderFactory]: Interpolants [114433#(<= ULTIMATE.start_main_~k~5 150), 114432#(<= ULTIMATE.start_main_~k~5 149), 114435#(<= ULTIMATE.start_main_~k~5 152), 114434#(<= ULTIMATE.start_main_~k~5 151), 114437#(<= ULTIMATE.start_main_~k~5 154), 114436#(<= ULTIMATE.start_main_~k~5 153), 114439#(<= ULTIMATE.start_main_~k~5 156), 114438#(<= ULTIMATE.start_main_~k~5 155), 114281#true, 114283#(<= ULTIMATE.start_main_~k~5 0), 114282#false, 114285#(<= ULTIMATE.start_main_~k~5 2), 114284#(<= ULTIMATE.start_main_~k~5 1), 114287#(<= ULTIMATE.start_main_~k~5 4), 114286#(<= ULTIMATE.start_main_~k~5 3), 114289#(<= ULTIMATE.start_main_~k~5 6), 114288#(<= ULTIMATE.start_main_~k~5 5), 114291#(<= ULTIMATE.start_main_~k~5 8), 114290#(<= ULTIMATE.start_main_~k~5 7), 114293#(<= ULTIMATE.start_main_~k~5 10), 114292#(<= ULTIMATE.start_main_~k~5 9), 114295#(<= ULTIMATE.start_main_~k~5 12), 114294#(<= ULTIMATE.start_main_~k~5 11), 114297#(<= ULTIMATE.start_main_~k~5 14), 114296#(<= ULTIMATE.start_main_~k~5 13), 114299#(<= ULTIMATE.start_main_~k~5 16), 114298#(<= ULTIMATE.start_main_~k~5 15), 114301#(<= ULTIMATE.start_main_~k~5 18), 114300#(<= ULTIMATE.start_main_~k~5 17), 114303#(<= ULTIMATE.start_main_~k~5 20), 114302#(<= ULTIMATE.start_main_~k~5 19), 114305#(<= ULTIMATE.start_main_~k~5 22), 114304#(<= ULTIMATE.start_main_~k~5 21), 114307#(<= ULTIMATE.start_main_~k~5 24), 114306#(<= ULTIMATE.start_main_~k~5 23), 114309#(<= ULTIMATE.start_main_~k~5 26), 114308#(<= ULTIMATE.start_main_~k~5 25), 114311#(<= ULTIMATE.start_main_~k~5 28), 114310#(<= ULTIMATE.start_main_~k~5 27), 114313#(<= ULTIMATE.start_main_~k~5 30), 114312#(<= ULTIMATE.start_main_~k~5 29), 114315#(<= ULTIMATE.start_main_~k~5 32), 114314#(<= ULTIMATE.start_main_~k~5 31), 114317#(<= ULTIMATE.start_main_~k~5 34), 114316#(<= ULTIMATE.start_main_~k~5 33), 114319#(<= ULTIMATE.start_main_~k~5 36), 114318#(<= ULTIMATE.start_main_~k~5 35), 114321#(<= ULTIMATE.start_main_~k~5 38), 114320#(<= ULTIMATE.start_main_~k~5 37), 114323#(<= ULTIMATE.start_main_~k~5 40), 114322#(<= ULTIMATE.start_main_~k~5 39), 114325#(<= ULTIMATE.start_main_~k~5 42), 114324#(<= ULTIMATE.start_main_~k~5 41), 114327#(<= ULTIMATE.start_main_~k~5 44), 114326#(<= ULTIMATE.start_main_~k~5 43), 114329#(<= ULTIMATE.start_main_~k~5 46), 114328#(<= ULTIMATE.start_main_~k~5 45), 114331#(<= ULTIMATE.start_main_~k~5 48), 114330#(<= ULTIMATE.start_main_~k~5 47), 114333#(<= ULTIMATE.start_main_~k~5 50), 114332#(<= ULTIMATE.start_main_~k~5 49), 114335#(<= ULTIMATE.start_main_~k~5 52), 114334#(<= ULTIMATE.start_main_~k~5 51), 114337#(<= ULTIMATE.start_main_~k~5 54), 114336#(<= ULTIMATE.start_main_~k~5 53), 114339#(<= ULTIMATE.start_main_~k~5 56), 114338#(<= ULTIMATE.start_main_~k~5 55), 114341#(<= ULTIMATE.start_main_~k~5 58), 114340#(<= ULTIMATE.start_main_~k~5 57), 114343#(<= ULTIMATE.start_main_~k~5 60), 114342#(<= ULTIMATE.start_main_~k~5 59), 114345#(<= ULTIMATE.start_main_~k~5 62), 114344#(<= ULTIMATE.start_main_~k~5 61), 114347#(<= ULTIMATE.start_main_~k~5 64), 114346#(<= ULTIMATE.start_main_~k~5 63), 114349#(<= ULTIMATE.start_main_~k~5 66), 114348#(<= ULTIMATE.start_main_~k~5 65), 114351#(<= ULTIMATE.start_main_~k~5 68), 114350#(<= ULTIMATE.start_main_~k~5 67), 114353#(<= ULTIMATE.start_main_~k~5 70), 114352#(<= ULTIMATE.start_main_~k~5 69), 114355#(<= ULTIMATE.start_main_~k~5 72), 114354#(<= ULTIMATE.start_main_~k~5 71), 114357#(<= ULTIMATE.start_main_~k~5 74), 114356#(<= ULTIMATE.start_main_~k~5 73), 114359#(<= ULTIMATE.start_main_~k~5 76), 114358#(<= ULTIMATE.start_main_~k~5 75), 114361#(<= ULTIMATE.start_main_~k~5 78), 114360#(<= ULTIMATE.start_main_~k~5 77), 114363#(<= ULTIMATE.start_main_~k~5 80), 114362#(<= ULTIMATE.start_main_~k~5 79), 114365#(<= ULTIMATE.start_main_~k~5 82), 114364#(<= ULTIMATE.start_main_~k~5 81), 114367#(<= ULTIMATE.start_main_~k~5 84), 114366#(<= ULTIMATE.start_main_~k~5 83), 114369#(<= ULTIMATE.start_main_~k~5 86), 114368#(<= ULTIMATE.start_main_~k~5 85), 114371#(<= ULTIMATE.start_main_~k~5 88), 114370#(<= ULTIMATE.start_main_~k~5 87), 114373#(<= ULTIMATE.start_main_~k~5 90), 114372#(<= ULTIMATE.start_main_~k~5 89), 114375#(<= ULTIMATE.start_main_~k~5 92), 114374#(<= ULTIMATE.start_main_~k~5 91), 114377#(<= ULTIMATE.start_main_~k~5 94), 114376#(<= ULTIMATE.start_main_~k~5 93), 114379#(<= ULTIMATE.start_main_~k~5 96), 114378#(<= ULTIMATE.start_main_~k~5 95), 114381#(<= ULTIMATE.start_main_~k~5 98), 114380#(<= ULTIMATE.start_main_~k~5 97), 114383#(<= ULTIMATE.start_main_~k~5 100), 114382#(<= ULTIMATE.start_main_~k~5 99), 114385#(<= ULTIMATE.start_main_~k~5 102), 114384#(<= ULTIMATE.start_main_~k~5 101), 114387#(<= ULTIMATE.start_main_~k~5 104), 114386#(<= ULTIMATE.start_main_~k~5 103), 114389#(<= ULTIMATE.start_main_~k~5 106), 114388#(<= ULTIMATE.start_main_~k~5 105), 114391#(<= ULTIMATE.start_main_~k~5 108), 114390#(<= ULTIMATE.start_main_~k~5 107), 114393#(<= ULTIMATE.start_main_~k~5 110), 114392#(<= ULTIMATE.start_main_~k~5 109), 114395#(<= ULTIMATE.start_main_~k~5 112), 114394#(<= ULTIMATE.start_main_~k~5 111), 114397#(<= ULTIMATE.start_main_~k~5 114), 114396#(<= ULTIMATE.start_main_~k~5 113), 114399#(<= ULTIMATE.start_main_~k~5 116), 114398#(<= ULTIMATE.start_main_~k~5 115), 114401#(<= ULTIMATE.start_main_~k~5 118), 114400#(<= ULTIMATE.start_main_~k~5 117), 114403#(<= ULTIMATE.start_main_~k~5 120), 114402#(<= ULTIMATE.start_main_~k~5 119), 114405#(<= ULTIMATE.start_main_~k~5 122), 114404#(<= ULTIMATE.start_main_~k~5 121), 114407#(<= ULTIMATE.start_main_~k~5 124), 114406#(<= ULTIMATE.start_main_~k~5 123), 114409#(<= ULTIMATE.start_main_~k~5 126), 114408#(<= ULTIMATE.start_main_~k~5 125), 114411#(<= ULTIMATE.start_main_~k~5 128), 114410#(<= ULTIMATE.start_main_~k~5 127), 114413#(<= ULTIMATE.start_main_~k~5 130), 114412#(<= ULTIMATE.start_main_~k~5 129), 114415#(<= ULTIMATE.start_main_~k~5 132), 114414#(<= ULTIMATE.start_main_~k~5 131), 114417#(<= ULTIMATE.start_main_~k~5 134), 114416#(<= ULTIMATE.start_main_~k~5 133), 114419#(<= ULTIMATE.start_main_~k~5 136), 114418#(<= ULTIMATE.start_main_~k~5 135), 114421#(<= ULTIMATE.start_main_~k~5 138), 114420#(<= ULTIMATE.start_main_~k~5 137), 114423#(<= ULTIMATE.start_main_~k~5 140), 114422#(<= ULTIMATE.start_main_~k~5 139), 114425#(<= ULTIMATE.start_main_~k~5 142), 114424#(<= ULTIMATE.start_main_~k~5 141), 114427#(<= ULTIMATE.start_main_~k~5 144), 114426#(<= ULTIMATE.start_main_~k~5 143), 114429#(<= ULTIMATE.start_main_~k~5 146), 114428#(<= ULTIMATE.start_main_~k~5 145), 114431#(<= ULTIMATE.start_main_~k~5 148), 114430#(<= ULTIMATE.start_main_~k~5 147)] [2018-07-23 13:46:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:53,632 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:46:53,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:46:53,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:46:53,635 INFO L87 Difference]: Start difference. First operand 317 states and 317 transitions. Second operand 159 states. [2018-07-23 13:46:54,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:54,441 INFO L93 Difference]: Finished difference Result 321 states and 321 transitions. [2018-07-23 13:46:54,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:46:54,441 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 316 [2018-07-23 13:46:54,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:54,442 INFO L225 Difference]: With dead ends: 321 [2018-07-23 13:46:54,442 INFO L226 Difference]: Without dead ends: 319 [2018-07-23 13:46:54,443 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 13:46:54,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-07-23 13:46:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-07-23 13:46:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-07-23 13:46:54,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 319 transitions. [2018-07-23 13:46:54,447 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 319 transitions. Word has length 316 [2018-07-23 13:46:54,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:54,448 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 319 transitions. [2018-07-23 13:46:54,448 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:46:54,448 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 319 transitions. [2018-07-23 13:46:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-07-23 13:46:54,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:54,449 INFO L357 BasicCegarLoop]: trace histogram [158, 157, 1, 1, 1] [2018-07-23 13:46:54,449 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:54,449 INFO L82 PathProgramCache]: Analyzing trace with hash -54549543, now seen corresponding path program 157 times [2018-07-23 13:46:54,449 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,723 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:55,724 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:46:55,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,724 INFO L185 omatonBuilderFactory]: Interpolants [115721#false, 115720#true, 115723#(<= ULTIMATE.start_main_~k~5 1), 115722#(<= ULTIMATE.start_main_~k~5 0), 115725#(<= ULTIMATE.start_main_~k~5 3), 115724#(<= ULTIMATE.start_main_~k~5 2), 115727#(<= ULTIMATE.start_main_~k~5 5), 115726#(<= ULTIMATE.start_main_~k~5 4), 115729#(<= ULTIMATE.start_main_~k~5 7), 115728#(<= ULTIMATE.start_main_~k~5 6), 115731#(<= ULTIMATE.start_main_~k~5 9), 115730#(<= ULTIMATE.start_main_~k~5 8), 115733#(<= ULTIMATE.start_main_~k~5 11), 115732#(<= ULTIMATE.start_main_~k~5 10), 115735#(<= ULTIMATE.start_main_~k~5 13), 115734#(<= ULTIMATE.start_main_~k~5 12), 115737#(<= ULTIMATE.start_main_~k~5 15), 115736#(<= ULTIMATE.start_main_~k~5 14), 115739#(<= ULTIMATE.start_main_~k~5 17), 115738#(<= ULTIMATE.start_main_~k~5 16), 115741#(<= ULTIMATE.start_main_~k~5 19), 115740#(<= ULTIMATE.start_main_~k~5 18), 115743#(<= ULTIMATE.start_main_~k~5 21), 115742#(<= ULTIMATE.start_main_~k~5 20), 115745#(<= ULTIMATE.start_main_~k~5 23), 115744#(<= ULTIMATE.start_main_~k~5 22), 115747#(<= ULTIMATE.start_main_~k~5 25), 115746#(<= ULTIMATE.start_main_~k~5 24), 115749#(<= ULTIMATE.start_main_~k~5 27), 115748#(<= ULTIMATE.start_main_~k~5 26), 115751#(<= ULTIMATE.start_main_~k~5 29), 115750#(<= ULTIMATE.start_main_~k~5 28), 115753#(<= ULTIMATE.start_main_~k~5 31), 115752#(<= ULTIMATE.start_main_~k~5 30), 115755#(<= ULTIMATE.start_main_~k~5 33), 115754#(<= ULTIMATE.start_main_~k~5 32), 115757#(<= ULTIMATE.start_main_~k~5 35), 115756#(<= ULTIMATE.start_main_~k~5 34), 115759#(<= ULTIMATE.start_main_~k~5 37), 115758#(<= ULTIMATE.start_main_~k~5 36), 115761#(<= ULTIMATE.start_main_~k~5 39), 115760#(<= ULTIMATE.start_main_~k~5 38), 115763#(<= ULTIMATE.start_main_~k~5 41), 115762#(<= ULTIMATE.start_main_~k~5 40), 115765#(<= ULTIMATE.start_main_~k~5 43), 115764#(<= ULTIMATE.start_main_~k~5 42), 115767#(<= ULTIMATE.start_main_~k~5 45), 115766#(<= ULTIMATE.start_main_~k~5 44), 115769#(<= ULTIMATE.start_main_~k~5 47), 115768#(<= ULTIMATE.start_main_~k~5 46), 115771#(<= ULTIMATE.start_main_~k~5 49), 115770#(<= ULTIMATE.start_main_~k~5 48), 115773#(<= ULTIMATE.start_main_~k~5 51), 115772#(<= ULTIMATE.start_main_~k~5 50), 115775#(<= ULTIMATE.start_main_~k~5 53), 115774#(<= ULTIMATE.start_main_~k~5 52), 115777#(<= ULTIMATE.start_main_~k~5 55), 115776#(<= ULTIMATE.start_main_~k~5 54), 115779#(<= ULTIMATE.start_main_~k~5 57), 115778#(<= ULTIMATE.start_main_~k~5 56), 115781#(<= ULTIMATE.start_main_~k~5 59), 115780#(<= ULTIMATE.start_main_~k~5 58), 115783#(<= ULTIMATE.start_main_~k~5 61), 115782#(<= ULTIMATE.start_main_~k~5 60), 115785#(<= ULTIMATE.start_main_~k~5 63), 115784#(<= ULTIMATE.start_main_~k~5 62), 115787#(<= ULTIMATE.start_main_~k~5 65), 115786#(<= ULTIMATE.start_main_~k~5 64), 115789#(<= ULTIMATE.start_main_~k~5 67), 115788#(<= ULTIMATE.start_main_~k~5 66), 115791#(<= ULTIMATE.start_main_~k~5 69), 115790#(<= ULTIMATE.start_main_~k~5 68), 115793#(<= ULTIMATE.start_main_~k~5 71), 115792#(<= ULTIMATE.start_main_~k~5 70), 115795#(<= ULTIMATE.start_main_~k~5 73), 115794#(<= ULTIMATE.start_main_~k~5 72), 115797#(<= ULTIMATE.start_main_~k~5 75), 115796#(<= ULTIMATE.start_main_~k~5 74), 115799#(<= ULTIMATE.start_main_~k~5 77), 115798#(<= ULTIMATE.start_main_~k~5 76), 115801#(<= ULTIMATE.start_main_~k~5 79), 115800#(<= ULTIMATE.start_main_~k~5 78), 115803#(<= ULTIMATE.start_main_~k~5 81), 115802#(<= ULTIMATE.start_main_~k~5 80), 115805#(<= ULTIMATE.start_main_~k~5 83), 115804#(<= ULTIMATE.start_main_~k~5 82), 115807#(<= ULTIMATE.start_main_~k~5 85), 115806#(<= ULTIMATE.start_main_~k~5 84), 115809#(<= ULTIMATE.start_main_~k~5 87), 115808#(<= ULTIMATE.start_main_~k~5 86), 115811#(<= ULTIMATE.start_main_~k~5 89), 115810#(<= ULTIMATE.start_main_~k~5 88), 115813#(<= ULTIMATE.start_main_~k~5 91), 115812#(<= ULTIMATE.start_main_~k~5 90), 115815#(<= ULTIMATE.start_main_~k~5 93), 115814#(<= ULTIMATE.start_main_~k~5 92), 115817#(<= ULTIMATE.start_main_~k~5 95), 115816#(<= ULTIMATE.start_main_~k~5 94), 115819#(<= ULTIMATE.start_main_~k~5 97), 115818#(<= ULTIMATE.start_main_~k~5 96), 115821#(<= ULTIMATE.start_main_~k~5 99), 115820#(<= ULTIMATE.start_main_~k~5 98), 115823#(<= ULTIMATE.start_main_~k~5 101), 115822#(<= ULTIMATE.start_main_~k~5 100), 115825#(<= ULTIMATE.start_main_~k~5 103), 115824#(<= ULTIMATE.start_main_~k~5 102), 115827#(<= ULTIMATE.start_main_~k~5 105), 115826#(<= ULTIMATE.start_main_~k~5 104), 115829#(<= ULTIMATE.start_main_~k~5 107), 115828#(<= ULTIMATE.start_main_~k~5 106), 115831#(<= ULTIMATE.start_main_~k~5 109), 115830#(<= ULTIMATE.start_main_~k~5 108), 115833#(<= ULTIMATE.start_main_~k~5 111), 115832#(<= ULTIMATE.start_main_~k~5 110), 115835#(<= ULTIMATE.start_main_~k~5 113), 115834#(<= ULTIMATE.start_main_~k~5 112), 115837#(<= ULTIMATE.start_main_~k~5 115), 115836#(<= ULTIMATE.start_main_~k~5 114), 115839#(<= ULTIMATE.start_main_~k~5 117), 115838#(<= ULTIMATE.start_main_~k~5 116), 115841#(<= ULTIMATE.start_main_~k~5 119), 115840#(<= ULTIMATE.start_main_~k~5 118), 115843#(<= ULTIMATE.start_main_~k~5 121), 115842#(<= ULTIMATE.start_main_~k~5 120), 115845#(<= ULTIMATE.start_main_~k~5 123), 115844#(<= ULTIMATE.start_main_~k~5 122), 115847#(<= ULTIMATE.start_main_~k~5 125), 115846#(<= ULTIMATE.start_main_~k~5 124), 115849#(<= ULTIMATE.start_main_~k~5 127), 115848#(<= ULTIMATE.start_main_~k~5 126), 115851#(<= ULTIMATE.start_main_~k~5 129), 115850#(<= ULTIMATE.start_main_~k~5 128), 115853#(<= ULTIMATE.start_main_~k~5 131), 115852#(<= ULTIMATE.start_main_~k~5 130), 115855#(<= ULTIMATE.start_main_~k~5 133), 115854#(<= ULTIMATE.start_main_~k~5 132), 115857#(<= ULTIMATE.start_main_~k~5 135), 115856#(<= ULTIMATE.start_main_~k~5 134), 115859#(<= ULTIMATE.start_main_~k~5 137), 115858#(<= ULTIMATE.start_main_~k~5 136), 115861#(<= ULTIMATE.start_main_~k~5 139), 115860#(<= ULTIMATE.start_main_~k~5 138), 115863#(<= ULTIMATE.start_main_~k~5 141), 115862#(<= ULTIMATE.start_main_~k~5 140), 115865#(<= ULTIMATE.start_main_~k~5 143), 115864#(<= ULTIMATE.start_main_~k~5 142), 115867#(<= ULTIMATE.start_main_~k~5 145), 115866#(<= ULTIMATE.start_main_~k~5 144), 115869#(<= ULTIMATE.start_main_~k~5 147), 115868#(<= ULTIMATE.start_main_~k~5 146), 115871#(<= ULTIMATE.start_main_~k~5 149), 115870#(<= ULTIMATE.start_main_~k~5 148), 115873#(<= ULTIMATE.start_main_~k~5 151), 115872#(<= ULTIMATE.start_main_~k~5 150), 115875#(<= ULTIMATE.start_main_~k~5 153), 115874#(<= ULTIMATE.start_main_~k~5 152), 115877#(<= ULTIMATE.start_main_~k~5 155), 115876#(<= ULTIMATE.start_main_~k~5 154), 115879#(<= ULTIMATE.start_main_~k~5 157), 115878#(<= ULTIMATE.start_main_~k~5 156)] [2018-07-23 13:46:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,726 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:46:55,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:46:55,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:46:55,730 INFO L87 Difference]: Start difference. First operand 319 states and 319 transitions. Second operand 160 states. [2018-07-23 13:46:56,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:56,826 INFO L93 Difference]: Finished difference Result 323 states and 323 transitions. [2018-07-23 13:46:56,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:46:56,827 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 318 [2018-07-23 13:46:56,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:56,828 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:46:56,828 INFO L226 Difference]: Without dead ends: 321 [2018-07-23 13:46:56,830 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 13:46:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-07-23 13:46:56,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-07-23 13:46:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-07-23 13:46:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 321 transitions. [2018-07-23 13:46:56,835 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 321 transitions. Word has length 318 [2018-07-23 13:46:56,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:56,835 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 321 transitions. [2018-07-23 13:46:56,835 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:46:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 321 transitions. [2018-07-23 13:46:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-07-23 13:46:56,836 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:56,836 INFO L357 BasicCegarLoop]: trace histogram [159, 158, 1, 1, 1] [2018-07-23 13:46:56,836 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:56,836 INFO L82 PathProgramCache]: Analyzing trace with hash -882451181, now seen corresponding path program 158 times [2018-07-23 13:46:56,837 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,172 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:58,172 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:46:58,172 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:58,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,173 INFO L185 omatonBuilderFactory]: Interpolants [117249#(<= ULTIMATE.start_main_~k~5 79), 117248#(<= ULTIMATE.start_main_~k~5 78), 117251#(<= ULTIMATE.start_main_~k~5 81), 117250#(<= ULTIMATE.start_main_~k~5 80), 117253#(<= ULTIMATE.start_main_~k~5 83), 117252#(<= ULTIMATE.start_main_~k~5 82), 117255#(<= ULTIMATE.start_main_~k~5 85), 117254#(<= ULTIMATE.start_main_~k~5 84), 117257#(<= ULTIMATE.start_main_~k~5 87), 117256#(<= ULTIMATE.start_main_~k~5 86), 117259#(<= ULTIMATE.start_main_~k~5 89), 117258#(<= ULTIMATE.start_main_~k~5 88), 117261#(<= ULTIMATE.start_main_~k~5 91), 117260#(<= ULTIMATE.start_main_~k~5 90), 117263#(<= ULTIMATE.start_main_~k~5 93), 117262#(<= ULTIMATE.start_main_~k~5 92), 117265#(<= ULTIMATE.start_main_~k~5 95), 117264#(<= ULTIMATE.start_main_~k~5 94), 117267#(<= ULTIMATE.start_main_~k~5 97), 117266#(<= ULTIMATE.start_main_~k~5 96), 117269#(<= ULTIMATE.start_main_~k~5 99), 117268#(<= ULTIMATE.start_main_~k~5 98), 117271#(<= ULTIMATE.start_main_~k~5 101), 117270#(<= ULTIMATE.start_main_~k~5 100), 117273#(<= ULTIMATE.start_main_~k~5 103), 117272#(<= ULTIMATE.start_main_~k~5 102), 117275#(<= ULTIMATE.start_main_~k~5 105), 117274#(<= ULTIMATE.start_main_~k~5 104), 117277#(<= ULTIMATE.start_main_~k~5 107), 117276#(<= ULTIMATE.start_main_~k~5 106), 117279#(<= ULTIMATE.start_main_~k~5 109), 117278#(<= ULTIMATE.start_main_~k~5 108), 117281#(<= ULTIMATE.start_main_~k~5 111), 117280#(<= ULTIMATE.start_main_~k~5 110), 117283#(<= ULTIMATE.start_main_~k~5 113), 117282#(<= ULTIMATE.start_main_~k~5 112), 117285#(<= ULTIMATE.start_main_~k~5 115), 117284#(<= ULTIMATE.start_main_~k~5 114), 117287#(<= ULTIMATE.start_main_~k~5 117), 117286#(<= ULTIMATE.start_main_~k~5 116), 117289#(<= ULTIMATE.start_main_~k~5 119), 117288#(<= ULTIMATE.start_main_~k~5 118), 117291#(<= ULTIMATE.start_main_~k~5 121), 117290#(<= ULTIMATE.start_main_~k~5 120), 117293#(<= ULTIMATE.start_main_~k~5 123), 117292#(<= ULTIMATE.start_main_~k~5 122), 117295#(<= ULTIMATE.start_main_~k~5 125), 117294#(<= ULTIMATE.start_main_~k~5 124), 117297#(<= ULTIMATE.start_main_~k~5 127), 117296#(<= ULTIMATE.start_main_~k~5 126), 117299#(<= ULTIMATE.start_main_~k~5 129), 117298#(<= ULTIMATE.start_main_~k~5 128), 117301#(<= ULTIMATE.start_main_~k~5 131), 117300#(<= ULTIMATE.start_main_~k~5 130), 117303#(<= ULTIMATE.start_main_~k~5 133), 117302#(<= ULTIMATE.start_main_~k~5 132), 117305#(<= ULTIMATE.start_main_~k~5 135), 117304#(<= ULTIMATE.start_main_~k~5 134), 117307#(<= ULTIMATE.start_main_~k~5 137), 117306#(<= ULTIMATE.start_main_~k~5 136), 117309#(<= ULTIMATE.start_main_~k~5 139), 117308#(<= ULTIMATE.start_main_~k~5 138), 117311#(<= ULTIMATE.start_main_~k~5 141), 117310#(<= ULTIMATE.start_main_~k~5 140), 117313#(<= ULTIMATE.start_main_~k~5 143), 117312#(<= ULTIMATE.start_main_~k~5 142), 117315#(<= ULTIMATE.start_main_~k~5 145), 117314#(<= ULTIMATE.start_main_~k~5 144), 117317#(<= ULTIMATE.start_main_~k~5 147), 117316#(<= ULTIMATE.start_main_~k~5 146), 117319#(<= ULTIMATE.start_main_~k~5 149), 117318#(<= ULTIMATE.start_main_~k~5 148), 117321#(<= ULTIMATE.start_main_~k~5 151), 117320#(<= ULTIMATE.start_main_~k~5 150), 117323#(<= ULTIMATE.start_main_~k~5 153), 117322#(<= ULTIMATE.start_main_~k~5 152), 117325#(<= ULTIMATE.start_main_~k~5 155), 117324#(<= ULTIMATE.start_main_~k~5 154), 117327#(<= ULTIMATE.start_main_~k~5 157), 117326#(<= ULTIMATE.start_main_~k~5 156), 117328#(<= ULTIMATE.start_main_~k~5 158), 117169#false, 117168#true, 117171#(<= ULTIMATE.start_main_~k~5 1), 117170#(<= ULTIMATE.start_main_~k~5 0), 117173#(<= ULTIMATE.start_main_~k~5 3), 117172#(<= ULTIMATE.start_main_~k~5 2), 117175#(<= ULTIMATE.start_main_~k~5 5), 117174#(<= ULTIMATE.start_main_~k~5 4), 117177#(<= ULTIMATE.start_main_~k~5 7), 117176#(<= ULTIMATE.start_main_~k~5 6), 117179#(<= ULTIMATE.start_main_~k~5 9), 117178#(<= ULTIMATE.start_main_~k~5 8), 117181#(<= ULTIMATE.start_main_~k~5 11), 117180#(<= ULTIMATE.start_main_~k~5 10), 117183#(<= ULTIMATE.start_main_~k~5 13), 117182#(<= ULTIMATE.start_main_~k~5 12), 117185#(<= ULTIMATE.start_main_~k~5 15), 117184#(<= ULTIMATE.start_main_~k~5 14), 117187#(<= ULTIMATE.start_main_~k~5 17), 117186#(<= ULTIMATE.start_main_~k~5 16), 117189#(<= ULTIMATE.start_main_~k~5 19), 117188#(<= ULTIMATE.start_main_~k~5 18), 117191#(<= ULTIMATE.start_main_~k~5 21), 117190#(<= ULTIMATE.start_main_~k~5 20), 117193#(<= ULTIMATE.start_main_~k~5 23), 117192#(<= ULTIMATE.start_main_~k~5 22), 117195#(<= ULTIMATE.start_main_~k~5 25), 117194#(<= ULTIMATE.start_main_~k~5 24), 117197#(<= ULTIMATE.start_main_~k~5 27), 117196#(<= ULTIMATE.start_main_~k~5 26), 117199#(<= ULTIMATE.start_main_~k~5 29), 117198#(<= ULTIMATE.start_main_~k~5 28), 117201#(<= ULTIMATE.start_main_~k~5 31), 117200#(<= ULTIMATE.start_main_~k~5 30), 117203#(<= ULTIMATE.start_main_~k~5 33), 117202#(<= ULTIMATE.start_main_~k~5 32), 117205#(<= ULTIMATE.start_main_~k~5 35), 117204#(<= ULTIMATE.start_main_~k~5 34), 117207#(<= ULTIMATE.start_main_~k~5 37), 117206#(<= ULTIMATE.start_main_~k~5 36), 117209#(<= ULTIMATE.start_main_~k~5 39), 117208#(<= ULTIMATE.start_main_~k~5 38), 117211#(<= ULTIMATE.start_main_~k~5 41), 117210#(<= ULTIMATE.start_main_~k~5 40), 117213#(<= ULTIMATE.start_main_~k~5 43), 117212#(<= ULTIMATE.start_main_~k~5 42), 117215#(<= ULTIMATE.start_main_~k~5 45), 117214#(<= ULTIMATE.start_main_~k~5 44), 117217#(<= ULTIMATE.start_main_~k~5 47), 117216#(<= ULTIMATE.start_main_~k~5 46), 117219#(<= ULTIMATE.start_main_~k~5 49), 117218#(<= ULTIMATE.start_main_~k~5 48), 117221#(<= ULTIMATE.start_main_~k~5 51), 117220#(<= ULTIMATE.start_main_~k~5 50), 117223#(<= ULTIMATE.start_main_~k~5 53), 117222#(<= ULTIMATE.start_main_~k~5 52), 117225#(<= ULTIMATE.start_main_~k~5 55), 117224#(<= ULTIMATE.start_main_~k~5 54), 117227#(<= ULTIMATE.start_main_~k~5 57), 117226#(<= ULTIMATE.start_main_~k~5 56), 117229#(<= ULTIMATE.start_main_~k~5 59), 117228#(<= ULTIMATE.start_main_~k~5 58), 117231#(<= ULTIMATE.start_main_~k~5 61), 117230#(<= ULTIMATE.start_main_~k~5 60), 117233#(<= ULTIMATE.start_main_~k~5 63), 117232#(<= ULTIMATE.start_main_~k~5 62), 117235#(<= ULTIMATE.start_main_~k~5 65), 117234#(<= ULTIMATE.start_main_~k~5 64), 117237#(<= ULTIMATE.start_main_~k~5 67), 117236#(<= ULTIMATE.start_main_~k~5 66), 117239#(<= ULTIMATE.start_main_~k~5 69), 117238#(<= ULTIMATE.start_main_~k~5 68), 117241#(<= ULTIMATE.start_main_~k~5 71), 117240#(<= ULTIMATE.start_main_~k~5 70), 117243#(<= ULTIMATE.start_main_~k~5 73), 117242#(<= ULTIMATE.start_main_~k~5 72), 117245#(<= ULTIMATE.start_main_~k~5 75), 117244#(<= ULTIMATE.start_main_~k~5 74), 117247#(<= ULTIMATE.start_main_~k~5 77), 117246#(<= ULTIMATE.start_main_~k~5 76)] [2018-07-23 13:46:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,174 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:46:58,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:46:58,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:46:58,176 INFO L87 Difference]: Start difference. First operand 321 states and 321 transitions. Second operand 161 states. [2018-07-23 13:46:58,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:58,486 INFO L93 Difference]: Finished difference Result 325 states and 325 transitions. [2018-07-23 13:46:58,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:46:58,486 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 320 [2018-07-23 13:46:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:58,487 INFO L225 Difference]: With dead ends: 325 [2018-07-23 13:46:58,487 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 13:46:58,488 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:46:58,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 13:46:58,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-07-23 13:46:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-07-23 13:46:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 323 transitions. [2018-07-23 13:46:58,492 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 323 transitions. Word has length 320 [2018-07-23 13:46:58,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:58,492 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 323 transitions. [2018-07-23 13:46:58,492 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:46:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 323 transitions. [2018-07-23 13:46:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-07-23 13:46:58,493 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:58,493 INFO L357 BasicCegarLoop]: trace histogram [160, 159, 1, 1, 1] [2018-07-23 13:46:58,494 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:58,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1926975539, now seen corresponding path program 159 times [2018-07-23 13:46:58,494 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:59,817 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:59,817 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:46:59,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:59,818 INFO L185 omatonBuilderFactory]: Interpolants [118785#(<= ULTIMATE.start_main_~k~5 158), 118784#(<= ULTIMATE.start_main_~k~5 157), 118786#(<= ULTIMATE.start_main_~k~5 159), 118625#true, 118627#(<= ULTIMATE.start_main_~k~5 0), 118626#false, 118629#(<= ULTIMATE.start_main_~k~5 2), 118628#(<= ULTIMATE.start_main_~k~5 1), 118631#(<= ULTIMATE.start_main_~k~5 4), 118630#(<= ULTIMATE.start_main_~k~5 3), 118633#(<= ULTIMATE.start_main_~k~5 6), 118632#(<= ULTIMATE.start_main_~k~5 5), 118635#(<= ULTIMATE.start_main_~k~5 8), 118634#(<= ULTIMATE.start_main_~k~5 7), 118637#(<= ULTIMATE.start_main_~k~5 10), 118636#(<= ULTIMATE.start_main_~k~5 9), 118639#(<= ULTIMATE.start_main_~k~5 12), 118638#(<= ULTIMATE.start_main_~k~5 11), 118641#(<= ULTIMATE.start_main_~k~5 14), 118640#(<= ULTIMATE.start_main_~k~5 13), 118643#(<= ULTIMATE.start_main_~k~5 16), 118642#(<= ULTIMATE.start_main_~k~5 15), 118645#(<= ULTIMATE.start_main_~k~5 18), 118644#(<= ULTIMATE.start_main_~k~5 17), 118647#(<= ULTIMATE.start_main_~k~5 20), 118646#(<= ULTIMATE.start_main_~k~5 19), 118649#(<= ULTIMATE.start_main_~k~5 22), 118648#(<= ULTIMATE.start_main_~k~5 21), 118651#(<= ULTIMATE.start_main_~k~5 24), 118650#(<= ULTIMATE.start_main_~k~5 23), 118653#(<= ULTIMATE.start_main_~k~5 26), 118652#(<= ULTIMATE.start_main_~k~5 25), 118655#(<= ULTIMATE.start_main_~k~5 28), 118654#(<= ULTIMATE.start_main_~k~5 27), 118657#(<= ULTIMATE.start_main_~k~5 30), 118656#(<= ULTIMATE.start_main_~k~5 29), 118659#(<= ULTIMATE.start_main_~k~5 32), 118658#(<= ULTIMATE.start_main_~k~5 31), 118661#(<= ULTIMATE.start_main_~k~5 34), 118660#(<= ULTIMATE.start_main_~k~5 33), 118663#(<= ULTIMATE.start_main_~k~5 36), 118662#(<= ULTIMATE.start_main_~k~5 35), 118665#(<= ULTIMATE.start_main_~k~5 38), 118664#(<= ULTIMATE.start_main_~k~5 37), 118667#(<= ULTIMATE.start_main_~k~5 40), 118666#(<= ULTIMATE.start_main_~k~5 39), 118669#(<= ULTIMATE.start_main_~k~5 42), 118668#(<= ULTIMATE.start_main_~k~5 41), 118671#(<= ULTIMATE.start_main_~k~5 44), 118670#(<= ULTIMATE.start_main_~k~5 43), 118673#(<= ULTIMATE.start_main_~k~5 46), 118672#(<= ULTIMATE.start_main_~k~5 45), 118675#(<= ULTIMATE.start_main_~k~5 48), 118674#(<= ULTIMATE.start_main_~k~5 47), 118677#(<= ULTIMATE.start_main_~k~5 50), 118676#(<= ULTIMATE.start_main_~k~5 49), 118679#(<= ULTIMATE.start_main_~k~5 52), 118678#(<= ULTIMATE.start_main_~k~5 51), 118681#(<= ULTIMATE.start_main_~k~5 54), 118680#(<= ULTIMATE.start_main_~k~5 53), 118683#(<= ULTIMATE.start_main_~k~5 56), 118682#(<= ULTIMATE.start_main_~k~5 55), 118685#(<= ULTIMATE.start_main_~k~5 58), 118684#(<= ULTIMATE.start_main_~k~5 57), 118687#(<= ULTIMATE.start_main_~k~5 60), 118686#(<= ULTIMATE.start_main_~k~5 59), 118689#(<= ULTIMATE.start_main_~k~5 62), 118688#(<= ULTIMATE.start_main_~k~5 61), 118691#(<= ULTIMATE.start_main_~k~5 64), 118690#(<= ULTIMATE.start_main_~k~5 63), 118693#(<= ULTIMATE.start_main_~k~5 66), 118692#(<= ULTIMATE.start_main_~k~5 65), 118695#(<= ULTIMATE.start_main_~k~5 68), 118694#(<= ULTIMATE.start_main_~k~5 67), 118697#(<= ULTIMATE.start_main_~k~5 70), 118696#(<= ULTIMATE.start_main_~k~5 69), 118699#(<= ULTIMATE.start_main_~k~5 72), 118698#(<= ULTIMATE.start_main_~k~5 71), 118701#(<= ULTIMATE.start_main_~k~5 74), 118700#(<= ULTIMATE.start_main_~k~5 73), 118703#(<= ULTIMATE.start_main_~k~5 76), 118702#(<= ULTIMATE.start_main_~k~5 75), 118705#(<= ULTIMATE.start_main_~k~5 78), 118704#(<= ULTIMATE.start_main_~k~5 77), 118707#(<= ULTIMATE.start_main_~k~5 80), 118706#(<= ULTIMATE.start_main_~k~5 79), 118709#(<= ULTIMATE.start_main_~k~5 82), 118708#(<= ULTIMATE.start_main_~k~5 81), 118711#(<= ULTIMATE.start_main_~k~5 84), 118710#(<= ULTIMATE.start_main_~k~5 83), 118713#(<= ULTIMATE.start_main_~k~5 86), 118712#(<= ULTIMATE.start_main_~k~5 85), 118715#(<= ULTIMATE.start_main_~k~5 88), 118714#(<= ULTIMATE.start_main_~k~5 87), 118717#(<= ULTIMATE.start_main_~k~5 90), 118716#(<= ULTIMATE.start_main_~k~5 89), 118719#(<= ULTIMATE.start_main_~k~5 92), 118718#(<= ULTIMATE.start_main_~k~5 91), 118721#(<= ULTIMATE.start_main_~k~5 94), 118720#(<= ULTIMATE.start_main_~k~5 93), 118723#(<= ULTIMATE.start_main_~k~5 96), 118722#(<= ULTIMATE.start_main_~k~5 95), 118725#(<= ULTIMATE.start_main_~k~5 98), 118724#(<= ULTIMATE.start_main_~k~5 97), 118727#(<= ULTIMATE.start_main_~k~5 100), 118726#(<= ULTIMATE.start_main_~k~5 99), 118729#(<= ULTIMATE.start_main_~k~5 102), 118728#(<= ULTIMATE.start_main_~k~5 101), 118731#(<= ULTIMATE.start_main_~k~5 104), 118730#(<= ULTIMATE.start_main_~k~5 103), 118733#(<= ULTIMATE.start_main_~k~5 106), 118732#(<= ULTIMATE.start_main_~k~5 105), 118735#(<= ULTIMATE.start_main_~k~5 108), 118734#(<= ULTIMATE.start_main_~k~5 107), 118737#(<= ULTIMATE.start_main_~k~5 110), 118736#(<= ULTIMATE.start_main_~k~5 109), 118739#(<= ULTIMATE.start_main_~k~5 112), 118738#(<= ULTIMATE.start_main_~k~5 111), 118741#(<= ULTIMATE.start_main_~k~5 114), 118740#(<= ULTIMATE.start_main_~k~5 113), 118743#(<= ULTIMATE.start_main_~k~5 116), 118742#(<= ULTIMATE.start_main_~k~5 115), 118745#(<= ULTIMATE.start_main_~k~5 118), 118744#(<= ULTIMATE.start_main_~k~5 117), 118747#(<= ULTIMATE.start_main_~k~5 120), 118746#(<= ULTIMATE.start_main_~k~5 119), 118749#(<= ULTIMATE.start_main_~k~5 122), 118748#(<= ULTIMATE.start_main_~k~5 121), 118751#(<= ULTIMATE.start_main_~k~5 124), 118750#(<= ULTIMATE.start_main_~k~5 123), 118753#(<= ULTIMATE.start_main_~k~5 126), 118752#(<= ULTIMATE.start_main_~k~5 125), 118755#(<= ULTIMATE.start_main_~k~5 128), 118754#(<= ULTIMATE.start_main_~k~5 127), 118757#(<= ULTIMATE.start_main_~k~5 130), 118756#(<= ULTIMATE.start_main_~k~5 129), 118759#(<= ULTIMATE.start_main_~k~5 132), 118758#(<= ULTIMATE.start_main_~k~5 131), 118761#(<= ULTIMATE.start_main_~k~5 134), 118760#(<= ULTIMATE.start_main_~k~5 133), 118763#(<= ULTIMATE.start_main_~k~5 136), 118762#(<= ULTIMATE.start_main_~k~5 135), 118765#(<= ULTIMATE.start_main_~k~5 138), 118764#(<= ULTIMATE.start_main_~k~5 137), 118767#(<= ULTIMATE.start_main_~k~5 140), 118766#(<= ULTIMATE.start_main_~k~5 139), 118769#(<= ULTIMATE.start_main_~k~5 142), 118768#(<= ULTIMATE.start_main_~k~5 141), 118771#(<= ULTIMATE.start_main_~k~5 144), 118770#(<= ULTIMATE.start_main_~k~5 143), 118773#(<= ULTIMATE.start_main_~k~5 146), 118772#(<= ULTIMATE.start_main_~k~5 145), 118775#(<= ULTIMATE.start_main_~k~5 148), 118774#(<= ULTIMATE.start_main_~k~5 147), 118777#(<= ULTIMATE.start_main_~k~5 150), 118776#(<= ULTIMATE.start_main_~k~5 149), 118779#(<= ULTIMATE.start_main_~k~5 152), 118778#(<= ULTIMATE.start_main_~k~5 151), 118781#(<= ULTIMATE.start_main_~k~5 154), 118780#(<= ULTIMATE.start_main_~k~5 153), 118783#(<= ULTIMATE.start_main_~k~5 156), 118782#(<= ULTIMATE.start_main_~k~5 155)] [2018-07-23 13:46:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:59,819 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:46:59,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:46:59,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:46:59,823 INFO L87 Difference]: Start difference. First operand 323 states and 323 transitions. Second operand 162 states. [2018-07-23 13:47:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:00,803 INFO L93 Difference]: Finished difference Result 327 states and 327 transitions. [2018-07-23 13:47:00,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:47:00,803 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 322 [2018-07-23 13:47:00,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:00,804 INFO L225 Difference]: With dead ends: 327 [2018-07-23 13:47:00,804 INFO L226 Difference]: Without dead ends: 325 [2018-07-23 13:47:00,807 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 13:47:00,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-07-23 13:47:00,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2018-07-23 13:47:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 13:47:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 325 transitions. [2018-07-23 13:47:00,810 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 325 transitions. Word has length 322 [2018-07-23 13:47:00,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:00,811 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 325 transitions. [2018-07-23 13:47:00,811 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:47:00,811 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 325 transitions. [2018-07-23 13:47:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 13:47:00,812 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:00,812 INFO L357 BasicCegarLoop]: trace histogram [161, 160, 1, 1, 1] [2018-07-23 13:47:00,812 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:00,812 INFO L82 PathProgramCache]: Analyzing trace with hash -692536313, now seen corresponding path program 160 times [2018-07-23 13:47:00,812 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:02,173 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 13:47:02,173 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:02,173 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:47:02,173 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:02,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:02,174 INFO L185 omatonBuilderFactory]: Interpolants [120091#true, 120093#(<= ULTIMATE.start_main_~k~5 0), 120092#false, 120095#(<= ULTIMATE.start_main_~k~5 2), 120094#(<= ULTIMATE.start_main_~k~5 1), 120097#(<= ULTIMATE.start_main_~k~5 4), 120096#(<= ULTIMATE.start_main_~k~5 3), 120099#(<= ULTIMATE.start_main_~k~5 6), 120098#(<= ULTIMATE.start_main_~k~5 5), 120101#(<= ULTIMATE.start_main_~k~5 8), 120100#(<= ULTIMATE.start_main_~k~5 7), 120103#(<= ULTIMATE.start_main_~k~5 10), 120102#(<= ULTIMATE.start_main_~k~5 9), 120105#(<= ULTIMATE.start_main_~k~5 12), 120104#(<= ULTIMATE.start_main_~k~5 11), 120107#(<= ULTIMATE.start_main_~k~5 14), 120106#(<= ULTIMATE.start_main_~k~5 13), 120109#(<= ULTIMATE.start_main_~k~5 16), 120108#(<= ULTIMATE.start_main_~k~5 15), 120111#(<= ULTIMATE.start_main_~k~5 18), 120110#(<= ULTIMATE.start_main_~k~5 17), 120113#(<= ULTIMATE.start_main_~k~5 20), 120112#(<= ULTIMATE.start_main_~k~5 19), 120115#(<= ULTIMATE.start_main_~k~5 22), 120114#(<= ULTIMATE.start_main_~k~5 21), 120117#(<= ULTIMATE.start_main_~k~5 24), 120116#(<= ULTIMATE.start_main_~k~5 23), 120119#(<= ULTIMATE.start_main_~k~5 26), 120118#(<= ULTIMATE.start_main_~k~5 25), 120121#(<= ULTIMATE.start_main_~k~5 28), 120120#(<= ULTIMATE.start_main_~k~5 27), 120123#(<= ULTIMATE.start_main_~k~5 30), 120122#(<= ULTIMATE.start_main_~k~5 29), 120125#(<= ULTIMATE.start_main_~k~5 32), 120124#(<= ULTIMATE.start_main_~k~5 31), 120127#(<= ULTIMATE.start_main_~k~5 34), 120126#(<= ULTIMATE.start_main_~k~5 33), 120129#(<= ULTIMATE.start_main_~k~5 36), 120128#(<= ULTIMATE.start_main_~k~5 35), 120131#(<= ULTIMATE.start_main_~k~5 38), 120130#(<= ULTIMATE.start_main_~k~5 37), 120133#(<= ULTIMATE.start_main_~k~5 40), 120132#(<= ULTIMATE.start_main_~k~5 39), 120135#(<= ULTIMATE.start_main_~k~5 42), 120134#(<= ULTIMATE.start_main_~k~5 41), 120137#(<= ULTIMATE.start_main_~k~5 44), 120136#(<= ULTIMATE.start_main_~k~5 43), 120139#(<= ULTIMATE.start_main_~k~5 46), 120138#(<= ULTIMATE.start_main_~k~5 45), 120141#(<= ULTIMATE.start_main_~k~5 48), 120140#(<= ULTIMATE.start_main_~k~5 47), 120143#(<= ULTIMATE.start_main_~k~5 50), 120142#(<= ULTIMATE.start_main_~k~5 49), 120145#(<= ULTIMATE.start_main_~k~5 52), 120144#(<= ULTIMATE.start_main_~k~5 51), 120147#(<= ULTIMATE.start_main_~k~5 54), 120146#(<= ULTIMATE.start_main_~k~5 53), 120149#(<= ULTIMATE.start_main_~k~5 56), 120148#(<= ULTIMATE.start_main_~k~5 55), 120151#(<= ULTIMATE.start_main_~k~5 58), 120150#(<= ULTIMATE.start_main_~k~5 57), 120153#(<= ULTIMATE.start_main_~k~5 60), 120152#(<= ULTIMATE.start_main_~k~5 59), 120155#(<= ULTIMATE.start_main_~k~5 62), 120154#(<= ULTIMATE.start_main_~k~5 61), 120157#(<= ULTIMATE.start_main_~k~5 64), 120156#(<= ULTIMATE.start_main_~k~5 63), 120159#(<= ULTIMATE.start_main_~k~5 66), 120158#(<= ULTIMATE.start_main_~k~5 65), 120161#(<= ULTIMATE.start_main_~k~5 68), 120160#(<= ULTIMATE.start_main_~k~5 67), 120163#(<= ULTIMATE.start_main_~k~5 70), 120162#(<= ULTIMATE.start_main_~k~5 69), 120165#(<= ULTIMATE.start_main_~k~5 72), 120164#(<= ULTIMATE.start_main_~k~5 71), 120167#(<= ULTIMATE.start_main_~k~5 74), 120166#(<= ULTIMATE.start_main_~k~5 73), 120169#(<= ULTIMATE.start_main_~k~5 76), 120168#(<= ULTIMATE.start_main_~k~5 75), 120171#(<= ULTIMATE.start_main_~k~5 78), 120170#(<= ULTIMATE.start_main_~k~5 77), 120173#(<= ULTIMATE.start_main_~k~5 80), 120172#(<= ULTIMATE.start_main_~k~5 79), 120175#(<= ULTIMATE.start_main_~k~5 82), 120174#(<= ULTIMATE.start_main_~k~5 81), 120177#(<= ULTIMATE.start_main_~k~5 84), 120176#(<= ULTIMATE.start_main_~k~5 83), 120179#(<= ULTIMATE.start_main_~k~5 86), 120178#(<= ULTIMATE.start_main_~k~5 85), 120181#(<= ULTIMATE.start_main_~k~5 88), 120180#(<= ULTIMATE.start_main_~k~5 87), 120183#(<= ULTIMATE.start_main_~k~5 90), 120182#(<= ULTIMATE.start_main_~k~5 89), 120185#(<= ULTIMATE.start_main_~k~5 92), 120184#(<= ULTIMATE.start_main_~k~5 91), 120187#(<= ULTIMATE.start_main_~k~5 94), 120186#(<= ULTIMATE.start_main_~k~5 93), 120189#(<= ULTIMATE.start_main_~k~5 96), 120188#(<= ULTIMATE.start_main_~k~5 95), 120191#(<= ULTIMATE.start_main_~k~5 98), 120190#(<= ULTIMATE.start_main_~k~5 97), 120193#(<= ULTIMATE.start_main_~k~5 100), 120192#(<= ULTIMATE.start_main_~k~5 99), 120195#(<= ULTIMATE.start_main_~k~5 102), 120194#(<= ULTIMATE.start_main_~k~5 101), 120197#(<= ULTIMATE.start_main_~k~5 104), 120196#(<= ULTIMATE.start_main_~k~5 103), 120199#(<= ULTIMATE.start_main_~k~5 106), 120198#(<= ULTIMATE.start_main_~k~5 105), 120201#(<= ULTIMATE.start_main_~k~5 108), 120200#(<= ULTIMATE.start_main_~k~5 107), 120203#(<= ULTIMATE.start_main_~k~5 110), 120202#(<= ULTIMATE.start_main_~k~5 109), 120205#(<= ULTIMATE.start_main_~k~5 112), 120204#(<= ULTIMATE.start_main_~k~5 111), 120207#(<= ULTIMATE.start_main_~k~5 114), 120206#(<= ULTIMATE.start_main_~k~5 113), 120209#(<= ULTIMATE.start_main_~k~5 116), 120208#(<= ULTIMATE.start_main_~k~5 115), 120211#(<= ULTIMATE.start_main_~k~5 118), 120210#(<= ULTIMATE.start_main_~k~5 117), 120213#(<= ULTIMATE.start_main_~k~5 120), 120212#(<= ULTIMATE.start_main_~k~5 119), 120215#(<= ULTIMATE.start_main_~k~5 122), 120214#(<= ULTIMATE.start_main_~k~5 121), 120217#(<= ULTIMATE.start_main_~k~5 124), 120216#(<= ULTIMATE.start_main_~k~5 123), 120219#(<= ULTIMATE.start_main_~k~5 126), 120218#(<= ULTIMATE.start_main_~k~5 125), 120221#(<= ULTIMATE.start_main_~k~5 128), 120220#(<= ULTIMATE.start_main_~k~5 127), 120223#(<= ULTIMATE.start_main_~k~5 130), 120222#(<= ULTIMATE.start_main_~k~5 129), 120225#(<= ULTIMATE.start_main_~k~5 132), 120224#(<= ULTIMATE.start_main_~k~5 131), 120227#(<= ULTIMATE.start_main_~k~5 134), 120226#(<= ULTIMATE.start_main_~k~5 133), 120229#(<= ULTIMATE.start_main_~k~5 136), 120228#(<= ULTIMATE.start_main_~k~5 135), 120231#(<= ULTIMATE.start_main_~k~5 138), 120230#(<= ULTIMATE.start_main_~k~5 137), 120233#(<= ULTIMATE.start_main_~k~5 140), 120232#(<= ULTIMATE.start_main_~k~5 139), 120235#(<= ULTIMATE.start_main_~k~5 142), 120234#(<= ULTIMATE.start_main_~k~5 141), 120237#(<= ULTIMATE.start_main_~k~5 144), 120236#(<= ULTIMATE.start_main_~k~5 143), 120239#(<= ULTIMATE.start_main_~k~5 146), 120238#(<= ULTIMATE.start_main_~k~5 145), 120241#(<= ULTIMATE.start_main_~k~5 148), 120240#(<= ULTIMATE.start_main_~k~5 147), 120243#(<= ULTIMATE.start_main_~k~5 150), 120242#(<= ULTIMATE.start_main_~k~5 149), 120245#(<= ULTIMATE.start_main_~k~5 152), 120244#(<= ULTIMATE.start_main_~k~5 151), 120247#(<= ULTIMATE.start_main_~k~5 154), 120246#(<= ULTIMATE.start_main_~k~5 153), 120249#(<= ULTIMATE.start_main_~k~5 156), 120248#(<= ULTIMATE.start_main_~k~5 155), 120251#(<= ULTIMATE.start_main_~k~5 158), 120250#(<= ULTIMATE.start_main_~k~5 157), 120253#(<= ULTIMATE.start_main_~k~5 160), 120252#(<= ULTIMATE.start_main_~k~5 159)] [2018-07-23 13:47:02,175 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 13:47:02,175 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:47:02,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:47:02,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:47:02,179 INFO L87 Difference]: Start difference. First operand 325 states and 325 transitions. Second operand 163 states. [2018-07-23 13:47:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:03,402 INFO L93 Difference]: Finished difference Result 329 states and 329 transitions. [2018-07-23 13:47:03,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:47:03,402 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 324 [2018-07-23 13:47:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:03,403 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:47:03,403 INFO L226 Difference]: Without dead ends: 327 [2018-07-23 13:47:03,406 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:47:03,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-07-23 13:47:03,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-07-23 13:47:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-07-23 13:47:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 327 transitions. [2018-07-23 13:47:03,410 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 327 transitions. Word has length 324 [2018-07-23 13:47:03,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:03,410 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 327 transitions. [2018-07-23 13:47:03,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:47:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 327 transitions. [2018-07-23 13:47:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-07-23 13:47:03,411 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:03,411 INFO L357 BasicCegarLoop]: trace histogram [162, 161, 1, 1, 1] [2018-07-23 13:47:03,412 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:03,412 INFO L82 PathProgramCache]: Analyzing trace with hash 192586177, now seen corresponding path program 161 times [2018-07-23 13:47:03,412 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:04,746 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 13:47:04,746 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:04,746 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:47:04,746 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,747 INFO L185 omatonBuilderFactory]: Interpolants [121601#(<= ULTIMATE.start_main_~k~5 33), 121600#(<= ULTIMATE.start_main_~k~5 32), 121603#(<= ULTIMATE.start_main_~k~5 35), 121602#(<= ULTIMATE.start_main_~k~5 34), 121605#(<= ULTIMATE.start_main_~k~5 37), 121604#(<= ULTIMATE.start_main_~k~5 36), 121607#(<= ULTIMATE.start_main_~k~5 39), 121606#(<= ULTIMATE.start_main_~k~5 38), 121609#(<= ULTIMATE.start_main_~k~5 41), 121608#(<= ULTIMATE.start_main_~k~5 40), 121611#(<= ULTIMATE.start_main_~k~5 43), 121610#(<= ULTIMATE.start_main_~k~5 42), 121613#(<= ULTIMATE.start_main_~k~5 45), 121612#(<= ULTIMATE.start_main_~k~5 44), 121615#(<= ULTIMATE.start_main_~k~5 47), 121614#(<= ULTIMATE.start_main_~k~5 46), 121617#(<= ULTIMATE.start_main_~k~5 49), 121616#(<= ULTIMATE.start_main_~k~5 48), 121619#(<= ULTIMATE.start_main_~k~5 51), 121618#(<= ULTIMATE.start_main_~k~5 50), 121621#(<= ULTIMATE.start_main_~k~5 53), 121620#(<= ULTIMATE.start_main_~k~5 52), 121623#(<= ULTIMATE.start_main_~k~5 55), 121622#(<= ULTIMATE.start_main_~k~5 54), 121625#(<= ULTIMATE.start_main_~k~5 57), 121624#(<= ULTIMATE.start_main_~k~5 56), 121627#(<= ULTIMATE.start_main_~k~5 59), 121626#(<= ULTIMATE.start_main_~k~5 58), 121629#(<= ULTIMATE.start_main_~k~5 61), 121628#(<= ULTIMATE.start_main_~k~5 60), 121631#(<= ULTIMATE.start_main_~k~5 63), 121630#(<= ULTIMATE.start_main_~k~5 62), 121633#(<= ULTIMATE.start_main_~k~5 65), 121632#(<= ULTIMATE.start_main_~k~5 64), 121635#(<= ULTIMATE.start_main_~k~5 67), 121634#(<= ULTIMATE.start_main_~k~5 66), 121637#(<= ULTIMATE.start_main_~k~5 69), 121636#(<= ULTIMATE.start_main_~k~5 68), 121639#(<= ULTIMATE.start_main_~k~5 71), 121638#(<= ULTIMATE.start_main_~k~5 70), 121641#(<= ULTIMATE.start_main_~k~5 73), 121640#(<= ULTIMATE.start_main_~k~5 72), 121643#(<= ULTIMATE.start_main_~k~5 75), 121642#(<= ULTIMATE.start_main_~k~5 74), 121645#(<= ULTIMATE.start_main_~k~5 77), 121644#(<= ULTIMATE.start_main_~k~5 76), 121647#(<= ULTIMATE.start_main_~k~5 79), 121646#(<= ULTIMATE.start_main_~k~5 78), 121649#(<= ULTIMATE.start_main_~k~5 81), 121648#(<= ULTIMATE.start_main_~k~5 80), 121651#(<= ULTIMATE.start_main_~k~5 83), 121650#(<= ULTIMATE.start_main_~k~5 82), 121653#(<= ULTIMATE.start_main_~k~5 85), 121652#(<= ULTIMATE.start_main_~k~5 84), 121655#(<= ULTIMATE.start_main_~k~5 87), 121654#(<= ULTIMATE.start_main_~k~5 86), 121657#(<= ULTIMATE.start_main_~k~5 89), 121656#(<= ULTIMATE.start_main_~k~5 88), 121659#(<= ULTIMATE.start_main_~k~5 91), 121658#(<= ULTIMATE.start_main_~k~5 90), 121661#(<= ULTIMATE.start_main_~k~5 93), 121660#(<= ULTIMATE.start_main_~k~5 92), 121663#(<= ULTIMATE.start_main_~k~5 95), 121662#(<= ULTIMATE.start_main_~k~5 94), 121665#(<= ULTIMATE.start_main_~k~5 97), 121664#(<= ULTIMATE.start_main_~k~5 96), 121667#(<= ULTIMATE.start_main_~k~5 99), 121666#(<= ULTIMATE.start_main_~k~5 98), 121669#(<= ULTIMATE.start_main_~k~5 101), 121668#(<= ULTIMATE.start_main_~k~5 100), 121671#(<= ULTIMATE.start_main_~k~5 103), 121670#(<= ULTIMATE.start_main_~k~5 102), 121673#(<= ULTIMATE.start_main_~k~5 105), 121672#(<= ULTIMATE.start_main_~k~5 104), 121675#(<= ULTIMATE.start_main_~k~5 107), 121674#(<= ULTIMATE.start_main_~k~5 106), 121677#(<= ULTIMATE.start_main_~k~5 109), 121676#(<= ULTIMATE.start_main_~k~5 108), 121679#(<= ULTIMATE.start_main_~k~5 111), 121678#(<= ULTIMATE.start_main_~k~5 110), 121681#(<= ULTIMATE.start_main_~k~5 113), 121680#(<= ULTIMATE.start_main_~k~5 112), 121683#(<= ULTIMATE.start_main_~k~5 115), 121682#(<= ULTIMATE.start_main_~k~5 114), 121685#(<= ULTIMATE.start_main_~k~5 117), 121684#(<= ULTIMATE.start_main_~k~5 116), 121687#(<= ULTIMATE.start_main_~k~5 119), 121686#(<= ULTIMATE.start_main_~k~5 118), 121689#(<= ULTIMATE.start_main_~k~5 121), 121688#(<= ULTIMATE.start_main_~k~5 120), 121691#(<= ULTIMATE.start_main_~k~5 123), 121690#(<= ULTIMATE.start_main_~k~5 122), 121693#(<= ULTIMATE.start_main_~k~5 125), 121692#(<= ULTIMATE.start_main_~k~5 124), 121695#(<= ULTIMATE.start_main_~k~5 127), 121694#(<= ULTIMATE.start_main_~k~5 126), 121697#(<= ULTIMATE.start_main_~k~5 129), 121696#(<= ULTIMATE.start_main_~k~5 128), 121699#(<= ULTIMATE.start_main_~k~5 131), 121698#(<= ULTIMATE.start_main_~k~5 130), 121701#(<= ULTIMATE.start_main_~k~5 133), 121700#(<= ULTIMATE.start_main_~k~5 132), 121703#(<= ULTIMATE.start_main_~k~5 135), 121702#(<= ULTIMATE.start_main_~k~5 134), 121705#(<= ULTIMATE.start_main_~k~5 137), 121704#(<= ULTIMATE.start_main_~k~5 136), 121707#(<= ULTIMATE.start_main_~k~5 139), 121706#(<= ULTIMATE.start_main_~k~5 138), 121709#(<= ULTIMATE.start_main_~k~5 141), 121708#(<= ULTIMATE.start_main_~k~5 140), 121711#(<= ULTIMATE.start_main_~k~5 143), 121710#(<= ULTIMATE.start_main_~k~5 142), 121713#(<= ULTIMATE.start_main_~k~5 145), 121712#(<= ULTIMATE.start_main_~k~5 144), 121715#(<= ULTIMATE.start_main_~k~5 147), 121714#(<= ULTIMATE.start_main_~k~5 146), 121717#(<= ULTIMATE.start_main_~k~5 149), 121716#(<= ULTIMATE.start_main_~k~5 148), 121719#(<= ULTIMATE.start_main_~k~5 151), 121718#(<= ULTIMATE.start_main_~k~5 150), 121721#(<= ULTIMATE.start_main_~k~5 153), 121720#(<= ULTIMATE.start_main_~k~5 152), 121723#(<= ULTIMATE.start_main_~k~5 155), 121722#(<= ULTIMATE.start_main_~k~5 154), 121725#(<= ULTIMATE.start_main_~k~5 157), 121724#(<= ULTIMATE.start_main_~k~5 156), 121727#(<= ULTIMATE.start_main_~k~5 159), 121726#(<= ULTIMATE.start_main_~k~5 158), 121729#(<= ULTIMATE.start_main_~k~5 161), 121728#(<= ULTIMATE.start_main_~k~5 160), 121567#false, 121566#true, 121569#(<= ULTIMATE.start_main_~k~5 1), 121568#(<= ULTIMATE.start_main_~k~5 0), 121571#(<= ULTIMATE.start_main_~k~5 3), 121570#(<= ULTIMATE.start_main_~k~5 2), 121573#(<= ULTIMATE.start_main_~k~5 5), 121572#(<= ULTIMATE.start_main_~k~5 4), 121575#(<= ULTIMATE.start_main_~k~5 7), 121574#(<= ULTIMATE.start_main_~k~5 6), 121577#(<= ULTIMATE.start_main_~k~5 9), 121576#(<= ULTIMATE.start_main_~k~5 8), 121579#(<= ULTIMATE.start_main_~k~5 11), 121578#(<= ULTIMATE.start_main_~k~5 10), 121581#(<= ULTIMATE.start_main_~k~5 13), 121580#(<= ULTIMATE.start_main_~k~5 12), 121583#(<= ULTIMATE.start_main_~k~5 15), 121582#(<= ULTIMATE.start_main_~k~5 14), 121585#(<= ULTIMATE.start_main_~k~5 17), 121584#(<= ULTIMATE.start_main_~k~5 16), 121587#(<= ULTIMATE.start_main_~k~5 19), 121586#(<= ULTIMATE.start_main_~k~5 18), 121589#(<= ULTIMATE.start_main_~k~5 21), 121588#(<= ULTIMATE.start_main_~k~5 20), 121591#(<= ULTIMATE.start_main_~k~5 23), 121590#(<= ULTIMATE.start_main_~k~5 22), 121593#(<= ULTIMATE.start_main_~k~5 25), 121592#(<= ULTIMATE.start_main_~k~5 24), 121595#(<= ULTIMATE.start_main_~k~5 27), 121594#(<= ULTIMATE.start_main_~k~5 26), 121597#(<= ULTIMATE.start_main_~k~5 29), 121596#(<= ULTIMATE.start_main_~k~5 28), 121599#(<= ULTIMATE.start_main_~k~5 31), 121598#(<= ULTIMATE.start_main_~k~5 30)] [2018-07-23 13:47:04,748 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 13:47:04,748 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:47:04,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:47:04,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:47:04,752 INFO L87 Difference]: Start difference. First operand 327 states and 327 transitions. Second operand 164 states. [2018-07-23 13:47:05,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:05,631 INFO L93 Difference]: Finished difference Result 331 states and 331 transitions. [2018-07-23 13:47:05,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:47:05,631 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 326 [2018-07-23 13:47:05,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:05,632 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:47:05,632 INFO L226 Difference]: Without dead ends: 329 [2018-07-23 13:47:05,635 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:47:05,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-07-23 13:47:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-07-23 13:47:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 13:47:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 329 transitions. [2018-07-23 13:47:05,638 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 329 transitions. Word has length 326 [2018-07-23 13:47:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:05,639 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 329 transitions. [2018-07-23 13:47:05,639 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:47:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 329 transitions. [2018-07-23 13:47:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-07-23 13:47:05,640 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:05,640 INFO L357 BasicCegarLoop]: trace histogram [163, 162, 1, 1, 1] [2018-07-23 13:47:05,640 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:05,640 INFO L82 PathProgramCache]: Analyzing trace with hash 391774459, now seen corresponding path program 162 times [2018-07-23 13:47:05,640 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:07,051 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 13:47:07,051 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:07,051 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:47:07,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:07,052 INFO L185 omatonBuilderFactory]: Interpolants [123137#(<= ULTIMATE.start_main_~k~5 85), 123136#(<= ULTIMATE.start_main_~k~5 84), 123139#(<= ULTIMATE.start_main_~k~5 87), 123138#(<= ULTIMATE.start_main_~k~5 86), 123141#(<= ULTIMATE.start_main_~k~5 89), 123140#(<= ULTIMATE.start_main_~k~5 88), 123143#(<= ULTIMATE.start_main_~k~5 91), 123142#(<= ULTIMATE.start_main_~k~5 90), 123145#(<= ULTIMATE.start_main_~k~5 93), 123144#(<= ULTIMATE.start_main_~k~5 92), 123147#(<= ULTIMATE.start_main_~k~5 95), 123146#(<= ULTIMATE.start_main_~k~5 94), 123149#(<= ULTIMATE.start_main_~k~5 97), 123148#(<= ULTIMATE.start_main_~k~5 96), 123151#(<= ULTIMATE.start_main_~k~5 99), 123150#(<= ULTIMATE.start_main_~k~5 98), 123153#(<= ULTIMATE.start_main_~k~5 101), 123152#(<= ULTIMATE.start_main_~k~5 100), 123155#(<= ULTIMATE.start_main_~k~5 103), 123154#(<= ULTIMATE.start_main_~k~5 102), 123157#(<= ULTIMATE.start_main_~k~5 105), 123156#(<= ULTIMATE.start_main_~k~5 104), 123159#(<= ULTIMATE.start_main_~k~5 107), 123158#(<= ULTIMATE.start_main_~k~5 106), 123161#(<= ULTIMATE.start_main_~k~5 109), 123160#(<= ULTIMATE.start_main_~k~5 108), 123163#(<= ULTIMATE.start_main_~k~5 111), 123162#(<= ULTIMATE.start_main_~k~5 110), 123165#(<= ULTIMATE.start_main_~k~5 113), 123164#(<= ULTIMATE.start_main_~k~5 112), 123167#(<= ULTIMATE.start_main_~k~5 115), 123166#(<= ULTIMATE.start_main_~k~5 114), 123169#(<= ULTIMATE.start_main_~k~5 117), 123168#(<= ULTIMATE.start_main_~k~5 116), 123171#(<= ULTIMATE.start_main_~k~5 119), 123170#(<= ULTIMATE.start_main_~k~5 118), 123173#(<= ULTIMATE.start_main_~k~5 121), 123172#(<= ULTIMATE.start_main_~k~5 120), 123175#(<= ULTIMATE.start_main_~k~5 123), 123174#(<= ULTIMATE.start_main_~k~5 122), 123177#(<= ULTIMATE.start_main_~k~5 125), 123176#(<= ULTIMATE.start_main_~k~5 124), 123179#(<= ULTIMATE.start_main_~k~5 127), 123178#(<= ULTIMATE.start_main_~k~5 126), 123181#(<= ULTIMATE.start_main_~k~5 129), 123180#(<= ULTIMATE.start_main_~k~5 128), 123183#(<= ULTIMATE.start_main_~k~5 131), 123182#(<= ULTIMATE.start_main_~k~5 130), 123185#(<= ULTIMATE.start_main_~k~5 133), 123184#(<= ULTIMATE.start_main_~k~5 132), 123187#(<= ULTIMATE.start_main_~k~5 135), 123186#(<= ULTIMATE.start_main_~k~5 134), 123189#(<= ULTIMATE.start_main_~k~5 137), 123188#(<= ULTIMATE.start_main_~k~5 136), 123191#(<= ULTIMATE.start_main_~k~5 139), 123190#(<= ULTIMATE.start_main_~k~5 138), 123193#(<= ULTIMATE.start_main_~k~5 141), 123192#(<= ULTIMATE.start_main_~k~5 140), 123195#(<= ULTIMATE.start_main_~k~5 143), 123194#(<= ULTIMATE.start_main_~k~5 142), 123197#(<= ULTIMATE.start_main_~k~5 145), 123196#(<= ULTIMATE.start_main_~k~5 144), 123199#(<= ULTIMATE.start_main_~k~5 147), 123198#(<= ULTIMATE.start_main_~k~5 146), 123201#(<= ULTIMATE.start_main_~k~5 149), 123200#(<= ULTIMATE.start_main_~k~5 148), 123203#(<= ULTIMATE.start_main_~k~5 151), 123202#(<= ULTIMATE.start_main_~k~5 150), 123205#(<= ULTIMATE.start_main_~k~5 153), 123204#(<= ULTIMATE.start_main_~k~5 152), 123207#(<= ULTIMATE.start_main_~k~5 155), 123206#(<= ULTIMATE.start_main_~k~5 154), 123209#(<= ULTIMATE.start_main_~k~5 157), 123208#(<= ULTIMATE.start_main_~k~5 156), 123211#(<= ULTIMATE.start_main_~k~5 159), 123210#(<= ULTIMATE.start_main_~k~5 158), 123213#(<= ULTIMATE.start_main_~k~5 161), 123212#(<= ULTIMATE.start_main_~k~5 160), 123214#(<= ULTIMATE.start_main_~k~5 162), 123051#false, 123050#true, 123053#(<= ULTIMATE.start_main_~k~5 1), 123052#(<= ULTIMATE.start_main_~k~5 0), 123055#(<= ULTIMATE.start_main_~k~5 3), 123054#(<= ULTIMATE.start_main_~k~5 2), 123057#(<= ULTIMATE.start_main_~k~5 5), 123056#(<= ULTIMATE.start_main_~k~5 4), 123059#(<= ULTIMATE.start_main_~k~5 7), 123058#(<= ULTIMATE.start_main_~k~5 6), 123061#(<= ULTIMATE.start_main_~k~5 9), 123060#(<= ULTIMATE.start_main_~k~5 8), 123063#(<= ULTIMATE.start_main_~k~5 11), 123062#(<= ULTIMATE.start_main_~k~5 10), 123065#(<= ULTIMATE.start_main_~k~5 13), 123064#(<= ULTIMATE.start_main_~k~5 12), 123067#(<= ULTIMATE.start_main_~k~5 15), 123066#(<= ULTIMATE.start_main_~k~5 14), 123069#(<= ULTIMATE.start_main_~k~5 17), 123068#(<= ULTIMATE.start_main_~k~5 16), 123071#(<= ULTIMATE.start_main_~k~5 19), 123070#(<= ULTIMATE.start_main_~k~5 18), 123073#(<= ULTIMATE.start_main_~k~5 21), 123072#(<= ULTIMATE.start_main_~k~5 20), 123075#(<= ULTIMATE.start_main_~k~5 23), 123074#(<= ULTIMATE.start_main_~k~5 22), 123077#(<= ULTIMATE.start_main_~k~5 25), 123076#(<= ULTIMATE.start_main_~k~5 24), 123079#(<= ULTIMATE.start_main_~k~5 27), 123078#(<= ULTIMATE.start_main_~k~5 26), 123081#(<= ULTIMATE.start_main_~k~5 29), 123080#(<= ULTIMATE.start_main_~k~5 28), 123083#(<= ULTIMATE.start_main_~k~5 31), 123082#(<= ULTIMATE.start_main_~k~5 30), 123085#(<= ULTIMATE.start_main_~k~5 33), 123084#(<= ULTIMATE.start_main_~k~5 32), 123087#(<= ULTIMATE.start_main_~k~5 35), 123086#(<= ULTIMATE.start_main_~k~5 34), 123089#(<= ULTIMATE.start_main_~k~5 37), 123088#(<= ULTIMATE.start_main_~k~5 36), 123091#(<= ULTIMATE.start_main_~k~5 39), 123090#(<= ULTIMATE.start_main_~k~5 38), 123093#(<= ULTIMATE.start_main_~k~5 41), 123092#(<= ULTIMATE.start_main_~k~5 40), 123095#(<= ULTIMATE.start_main_~k~5 43), 123094#(<= ULTIMATE.start_main_~k~5 42), 123097#(<= ULTIMATE.start_main_~k~5 45), 123096#(<= ULTIMATE.start_main_~k~5 44), 123099#(<= ULTIMATE.start_main_~k~5 47), 123098#(<= ULTIMATE.start_main_~k~5 46), 123101#(<= ULTIMATE.start_main_~k~5 49), 123100#(<= ULTIMATE.start_main_~k~5 48), 123103#(<= ULTIMATE.start_main_~k~5 51), 123102#(<= ULTIMATE.start_main_~k~5 50), 123105#(<= ULTIMATE.start_main_~k~5 53), 123104#(<= ULTIMATE.start_main_~k~5 52), 123107#(<= ULTIMATE.start_main_~k~5 55), 123106#(<= ULTIMATE.start_main_~k~5 54), 123109#(<= ULTIMATE.start_main_~k~5 57), 123108#(<= ULTIMATE.start_main_~k~5 56), 123111#(<= ULTIMATE.start_main_~k~5 59), 123110#(<= ULTIMATE.start_main_~k~5 58), 123113#(<= ULTIMATE.start_main_~k~5 61), 123112#(<= ULTIMATE.start_main_~k~5 60), 123115#(<= ULTIMATE.start_main_~k~5 63), 123114#(<= ULTIMATE.start_main_~k~5 62), 123117#(<= ULTIMATE.start_main_~k~5 65), 123116#(<= ULTIMATE.start_main_~k~5 64), 123119#(<= ULTIMATE.start_main_~k~5 67), 123118#(<= ULTIMATE.start_main_~k~5 66), 123121#(<= ULTIMATE.start_main_~k~5 69), 123120#(<= ULTIMATE.start_main_~k~5 68), 123123#(<= ULTIMATE.start_main_~k~5 71), 123122#(<= ULTIMATE.start_main_~k~5 70), 123125#(<= ULTIMATE.start_main_~k~5 73), 123124#(<= ULTIMATE.start_main_~k~5 72), 123127#(<= ULTIMATE.start_main_~k~5 75), 123126#(<= ULTIMATE.start_main_~k~5 74), 123129#(<= ULTIMATE.start_main_~k~5 77), 123128#(<= ULTIMATE.start_main_~k~5 76), 123131#(<= ULTIMATE.start_main_~k~5 79), 123130#(<= ULTIMATE.start_main_~k~5 78), 123133#(<= ULTIMATE.start_main_~k~5 81), 123132#(<= ULTIMATE.start_main_~k~5 80), 123135#(<= ULTIMATE.start_main_~k~5 83), 123134#(<= ULTIMATE.start_main_~k~5 82)] [2018-07-23 13:47:07,053 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 13:47:07,054 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:47:07,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:47:07,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:47:07,057 INFO L87 Difference]: Start difference. First operand 329 states and 329 transitions. Second operand 165 states. [2018-07-23 13:47:07,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:07,405 INFO L93 Difference]: Finished difference Result 333 states and 333 transitions. [2018-07-23 13:47:07,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:47:07,405 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 328 [2018-07-23 13:47:07,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:07,406 INFO L225 Difference]: With dead ends: 333 [2018-07-23 13:47:07,406 INFO L226 Difference]: Without dead ends: 331 [2018-07-23 13:47:07,408 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:47:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-07-23 13:47:07,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-07-23 13:47:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-07-23 13:47:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 331 transitions. [2018-07-23 13:47:07,411 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 331 transitions. Word has length 328 [2018-07-23 13:47:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:07,411 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 331 transitions. [2018-07-23 13:47:07,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:47:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 331 transitions. [2018-07-23 13:47:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-07-23 13:47:07,412 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:07,412 INFO L357 BasicCegarLoop]: trace histogram [164, 163, 1, 1, 1] [2018-07-23 13:47:07,413 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:07,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1461814859, now seen corresponding path program 163 times [2018-07-23 13:47:07,413 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:08,825 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 13:47:08,825 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:08,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:47:08,826 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:08,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:08,826 INFO L185 omatonBuilderFactory]: Interpolants [124673#(<= ULTIMATE.start_main_~k~5 128), 124672#(<= ULTIMATE.start_main_~k~5 127), 124675#(<= ULTIMATE.start_main_~k~5 130), 124674#(<= ULTIMATE.start_main_~k~5 129), 124677#(<= ULTIMATE.start_main_~k~5 132), 124676#(<= ULTIMATE.start_main_~k~5 131), 124679#(<= ULTIMATE.start_main_~k~5 134), 124678#(<= ULTIMATE.start_main_~k~5 133), 124681#(<= ULTIMATE.start_main_~k~5 136), 124680#(<= ULTIMATE.start_main_~k~5 135), 124683#(<= ULTIMATE.start_main_~k~5 138), 124682#(<= ULTIMATE.start_main_~k~5 137), 124685#(<= ULTIMATE.start_main_~k~5 140), 124684#(<= ULTIMATE.start_main_~k~5 139), 124687#(<= ULTIMATE.start_main_~k~5 142), 124686#(<= ULTIMATE.start_main_~k~5 141), 124689#(<= ULTIMATE.start_main_~k~5 144), 124688#(<= ULTIMATE.start_main_~k~5 143), 124691#(<= ULTIMATE.start_main_~k~5 146), 124690#(<= ULTIMATE.start_main_~k~5 145), 124693#(<= ULTIMATE.start_main_~k~5 148), 124692#(<= ULTIMATE.start_main_~k~5 147), 124695#(<= ULTIMATE.start_main_~k~5 150), 124694#(<= ULTIMATE.start_main_~k~5 149), 124697#(<= ULTIMATE.start_main_~k~5 152), 124696#(<= ULTIMATE.start_main_~k~5 151), 124699#(<= ULTIMATE.start_main_~k~5 154), 124698#(<= ULTIMATE.start_main_~k~5 153), 124701#(<= ULTIMATE.start_main_~k~5 156), 124700#(<= ULTIMATE.start_main_~k~5 155), 124703#(<= ULTIMATE.start_main_~k~5 158), 124702#(<= ULTIMATE.start_main_~k~5 157), 124705#(<= ULTIMATE.start_main_~k~5 160), 124704#(<= ULTIMATE.start_main_~k~5 159), 124707#(<= ULTIMATE.start_main_~k~5 162), 124706#(<= ULTIMATE.start_main_~k~5 161), 124708#(<= ULTIMATE.start_main_~k~5 163), 124543#true, 124545#(<= ULTIMATE.start_main_~k~5 0), 124544#false, 124547#(<= ULTIMATE.start_main_~k~5 2), 124546#(<= ULTIMATE.start_main_~k~5 1), 124549#(<= ULTIMATE.start_main_~k~5 4), 124548#(<= ULTIMATE.start_main_~k~5 3), 124551#(<= ULTIMATE.start_main_~k~5 6), 124550#(<= ULTIMATE.start_main_~k~5 5), 124553#(<= ULTIMATE.start_main_~k~5 8), 124552#(<= ULTIMATE.start_main_~k~5 7), 124555#(<= ULTIMATE.start_main_~k~5 10), 124554#(<= ULTIMATE.start_main_~k~5 9), 124557#(<= ULTIMATE.start_main_~k~5 12), 124556#(<= ULTIMATE.start_main_~k~5 11), 124559#(<= ULTIMATE.start_main_~k~5 14), 124558#(<= ULTIMATE.start_main_~k~5 13), 124561#(<= ULTIMATE.start_main_~k~5 16), 124560#(<= ULTIMATE.start_main_~k~5 15), 124563#(<= ULTIMATE.start_main_~k~5 18), 124562#(<= ULTIMATE.start_main_~k~5 17), 124565#(<= ULTIMATE.start_main_~k~5 20), 124564#(<= ULTIMATE.start_main_~k~5 19), 124567#(<= ULTIMATE.start_main_~k~5 22), 124566#(<= ULTIMATE.start_main_~k~5 21), 124569#(<= ULTIMATE.start_main_~k~5 24), 124568#(<= ULTIMATE.start_main_~k~5 23), 124571#(<= ULTIMATE.start_main_~k~5 26), 124570#(<= ULTIMATE.start_main_~k~5 25), 124573#(<= ULTIMATE.start_main_~k~5 28), 124572#(<= ULTIMATE.start_main_~k~5 27), 124575#(<= ULTIMATE.start_main_~k~5 30), 124574#(<= ULTIMATE.start_main_~k~5 29), 124577#(<= ULTIMATE.start_main_~k~5 32), 124576#(<= ULTIMATE.start_main_~k~5 31), 124579#(<= ULTIMATE.start_main_~k~5 34), 124578#(<= ULTIMATE.start_main_~k~5 33), 124581#(<= ULTIMATE.start_main_~k~5 36), 124580#(<= ULTIMATE.start_main_~k~5 35), 124583#(<= ULTIMATE.start_main_~k~5 38), 124582#(<= ULTIMATE.start_main_~k~5 37), 124585#(<= ULTIMATE.start_main_~k~5 40), 124584#(<= ULTIMATE.start_main_~k~5 39), 124587#(<= ULTIMATE.start_main_~k~5 42), 124586#(<= ULTIMATE.start_main_~k~5 41), 124589#(<= ULTIMATE.start_main_~k~5 44), 124588#(<= ULTIMATE.start_main_~k~5 43), 124591#(<= ULTIMATE.start_main_~k~5 46), 124590#(<= ULTIMATE.start_main_~k~5 45), 124593#(<= ULTIMATE.start_main_~k~5 48), 124592#(<= ULTIMATE.start_main_~k~5 47), 124595#(<= ULTIMATE.start_main_~k~5 50), 124594#(<= ULTIMATE.start_main_~k~5 49), 124597#(<= ULTIMATE.start_main_~k~5 52), 124596#(<= ULTIMATE.start_main_~k~5 51), 124599#(<= ULTIMATE.start_main_~k~5 54), 124598#(<= ULTIMATE.start_main_~k~5 53), 124601#(<= ULTIMATE.start_main_~k~5 56), 124600#(<= ULTIMATE.start_main_~k~5 55), 124603#(<= ULTIMATE.start_main_~k~5 58), 124602#(<= ULTIMATE.start_main_~k~5 57), 124605#(<= ULTIMATE.start_main_~k~5 60), 124604#(<= ULTIMATE.start_main_~k~5 59), 124607#(<= ULTIMATE.start_main_~k~5 62), 124606#(<= ULTIMATE.start_main_~k~5 61), 124609#(<= ULTIMATE.start_main_~k~5 64), 124608#(<= ULTIMATE.start_main_~k~5 63), 124611#(<= ULTIMATE.start_main_~k~5 66), 124610#(<= ULTIMATE.start_main_~k~5 65), 124613#(<= ULTIMATE.start_main_~k~5 68), 124612#(<= ULTIMATE.start_main_~k~5 67), 124615#(<= ULTIMATE.start_main_~k~5 70), 124614#(<= ULTIMATE.start_main_~k~5 69), 124617#(<= ULTIMATE.start_main_~k~5 72), 124616#(<= ULTIMATE.start_main_~k~5 71), 124619#(<= ULTIMATE.start_main_~k~5 74), 124618#(<= ULTIMATE.start_main_~k~5 73), 124621#(<= ULTIMATE.start_main_~k~5 76), 124620#(<= ULTIMATE.start_main_~k~5 75), 124623#(<= ULTIMATE.start_main_~k~5 78), 124622#(<= ULTIMATE.start_main_~k~5 77), 124625#(<= ULTIMATE.start_main_~k~5 80), 124624#(<= ULTIMATE.start_main_~k~5 79), 124627#(<= ULTIMATE.start_main_~k~5 82), 124626#(<= ULTIMATE.start_main_~k~5 81), 124629#(<= ULTIMATE.start_main_~k~5 84), 124628#(<= ULTIMATE.start_main_~k~5 83), 124631#(<= ULTIMATE.start_main_~k~5 86), 124630#(<= ULTIMATE.start_main_~k~5 85), 124633#(<= ULTIMATE.start_main_~k~5 88), 124632#(<= ULTIMATE.start_main_~k~5 87), 124635#(<= ULTIMATE.start_main_~k~5 90), 124634#(<= ULTIMATE.start_main_~k~5 89), 124637#(<= ULTIMATE.start_main_~k~5 92), 124636#(<= ULTIMATE.start_main_~k~5 91), 124639#(<= ULTIMATE.start_main_~k~5 94), 124638#(<= ULTIMATE.start_main_~k~5 93), 124641#(<= ULTIMATE.start_main_~k~5 96), 124640#(<= ULTIMATE.start_main_~k~5 95), 124643#(<= ULTIMATE.start_main_~k~5 98), 124642#(<= ULTIMATE.start_main_~k~5 97), 124645#(<= ULTIMATE.start_main_~k~5 100), 124644#(<= ULTIMATE.start_main_~k~5 99), 124647#(<= ULTIMATE.start_main_~k~5 102), 124646#(<= ULTIMATE.start_main_~k~5 101), 124649#(<= ULTIMATE.start_main_~k~5 104), 124648#(<= ULTIMATE.start_main_~k~5 103), 124651#(<= ULTIMATE.start_main_~k~5 106), 124650#(<= ULTIMATE.start_main_~k~5 105), 124653#(<= ULTIMATE.start_main_~k~5 108), 124652#(<= ULTIMATE.start_main_~k~5 107), 124655#(<= ULTIMATE.start_main_~k~5 110), 124654#(<= ULTIMATE.start_main_~k~5 109), 124657#(<= ULTIMATE.start_main_~k~5 112), 124656#(<= ULTIMATE.start_main_~k~5 111), 124659#(<= ULTIMATE.start_main_~k~5 114), 124658#(<= ULTIMATE.start_main_~k~5 113), 124661#(<= ULTIMATE.start_main_~k~5 116), 124660#(<= ULTIMATE.start_main_~k~5 115), 124663#(<= ULTIMATE.start_main_~k~5 118), 124662#(<= ULTIMATE.start_main_~k~5 117), 124665#(<= ULTIMATE.start_main_~k~5 120), 124664#(<= ULTIMATE.start_main_~k~5 119), 124667#(<= ULTIMATE.start_main_~k~5 122), 124666#(<= ULTIMATE.start_main_~k~5 121), 124669#(<= ULTIMATE.start_main_~k~5 124), 124668#(<= ULTIMATE.start_main_~k~5 123), 124671#(<= ULTIMATE.start_main_~k~5 126), 124670#(<= ULTIMATE.start_main_~k~5 125)] [2018-07-23 13:47:08,827 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 13:47:08,828 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:47:08,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:47:08,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:47:08,831 INFO L87 Difference]: Start difference. First operand 331 states and 331 transitions. Second operand 166 states. [2018-07-23 13:47:09,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:09,438 INFO L93 Difference]: Finished difference Result 335 states and 335 transitions. [2018-07-23 13:47:09,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:47:09,438 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 330 [2018-07-23 13:47:09,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:09,439 INFO L225 Difference]: With dead ends: 335 [2018-07-23 13:47:09,439 INFO L226 Difference]: Without dead ends: 333 [2018-07-23 13:47:09,441 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:47:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-07-23 13:47:09,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-07-23 13:47:09,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-07-23 13:47:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 333 transitions. [2018-07-23 13:47:09,447 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 333 transitions. Word has length 330 [2018-07-23 13:47:09,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:09,447 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 333 transitions. [2018-07-23 13:47:09,447 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:47:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 333 transitions. [2018-07-23 13:47:09,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-07-23 13:47:09,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:09,449 INFO L357 BasicCegarLoop]: trace histogram [165, 164, 1, 1, 1] [2018-07-23 13:47:09,449 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:09,449 INFO L82 PathProgramCache]: Analyzing trace with hash -349721617, now seen corresponding path program 164 times [2018-07-23 13:47:09,450 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:11,055 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 13:47:11,055 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:11,056 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:47:11,056 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:11,056 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 13:47:11,056 INFO L185 omatonBuilderFactory]: Interpolants [126209#(<= ULTIMATE.start_main_~k~5 162), 126208#(<= ULTIMATE.start_main_~k~5 161), 126211#(<= ULTIMATE.start_main_~k~5 164), 126210#(<= ULTIMATE.start_main_~k~5 163), 126045#true, 126047#(<= ULTIMATE.start_main_~k~5 0), 126046#false, 126049#(<= ULTIMATE.start_main_~k~5 2), 126048#(<= ULTIMATE.start_main_~k~5 1), 126051#(<= ULTIMATE.start_main_~k~5 4), 126050#(<= ULTIMATE.start_main_~k~5 3), 126053#(<= ULTIMATE.start_main_~k~5 6), 126052#(<= ULTIMATE.start_main_~k~5 5), 126055#(<= ULTIMATE.start_main_~k~5 8), 126054#(<= ULTIMATE.start_main_~k~5 7), 126057#(<= ULTIMATE.start_main_~k~5 10), 126056#(<= ULTIMATE.start_main_~k~5 9), 126059#(<= ULTIMATE.start_main_~k~5 12), 126058#(<= ULTIMATE.start_main_~k~5 11), 126061#(<= ULTIMATE.start_main_~k~5 14), 126060#(<= ULTIMATE.start_main_~k~5 13), 126063#(<= ULTIMATE.start_main_~k~5 16), 126062#(<= ULTIMATE.start_main_~k~5 15), 126065#(<= ULTIMATE.start_main_~k~5 18), 126064#(<= ULTIMATE.start_main_~k~5 17), 126067#(<= ULTIMATE.start_main_~k~5 20), 126066#(<= ULTIMATE.start_main_~k~5 19), 126069#(<= ULTIMATE.start_main_~k~5 22), 126068#(<= ULTIMATE.start_main_~k~5 21), 126071#(<= ULTIMATE.start_main_~k~5 24), 126070#(<= ULTIMATE.start_main_~k~5 23), 126073#(<= ULTIMATE.start_main_~k~5 26), 126072#(<= ULTIMATE.start_main_~k~5 25), 126075#(<= ULTIMATE.start_main_~k~5 28), 126074#(<= ULTIMATE.start_main_~k~5 27), 126077#(<= ULTIMATE.start_main_~k~5 30), 126076#(<= ULTIMATE.start_main_~k~5 29), 126079#(<= ULTIMATE.start_main_~k~5 32), 126078#(<= ULTIMATE.start_main_~k~5 31), 126081#(<= ULTIMATE.start_main_~k~5 34), 126080#(<= ULTIMATE.start_main_~k~5 33), 126083#(<= ULTIMATE.start_main_~k~5 36), 126082#(<= ULTIMATE.start_main_~k~5 35), 126085#(<= ULTIMATE.start_main_~k~5 38), 126084#(<= ULTIMATE.start_main_~k~5 37), 126087#(<= ULTIMATE.start_main_~k~5 40), 126086#(<= ULTIMATE.start_main_~k~5 39), 126089#(<= ULTIMATE.start_main_~k~5 42), 126088#(<= ULTIMATE.start_main_~k~5 41), 126091#(<= ULTIMATE.start_main_~k~5 44), 126090#(<= ULTIMATE.start_main_~k~5 43), 126093#(<= ULTIMATE.start_main_~k~5 46), 126092#(<= ULTIMATE.start_main_~k~5 45), 126095#(<= ULTIMATE.start_main_~k~5 48), 126094#(<= ULTIMATE.start_main_~k~5 47), 126097#(<= ULTIMATE.start_main_~k~5 50), 126096#(<= ULTIMATE.start_main_~k~5 49), 126099#(<= ULTIMATE.start_main_~k~5 52), 126098#(<= ULTIMATE.start_main_~k~5 51), 126101#(<= ULTIMATE.start_main_~k~5 54), 126100#(<= ULTIMATE.start_main_~k~5 53), 126103#(<= ULTIMATE.start_main_~k~5 56), 126102#(<= ULTIMATE.start_main_~k~5 55), 126105#(<= ULTIMATE.start_main_~k~5 58), 126104#(<= ULTIMATE.start_main_~k~5 57), 126107#(<= ULTIMATE.start_main_~k~5 60), 126106#(<= ULTIMATE.start_main_~k~5 59), 126109#(<= ULTIMATE.start_main_~k~5 62), 126108#(<= ULTIMATE.start_main_~k~5 61), 126111#(<= ULTIMATE.start_main_~k~5 64), 126110#(<= ULTIMATE.start_main_~k~5 63), 126113#(<= ULTIMATE.start_main_~k~5 66), 126112#(<= ULTIMATE.start_main_~k~5 65), 126115#(<= ULTIMATE.start_main_~k~5 68), 126114#(<= ULTIMATE.start_main_~k~5 67), 126117#(<= ULTIMATE.start_main_~k~5 70), 126116#(<= ULTIMATE.start_main_~k~5 69), 126119#(<= ULTIMATE.start_main_~k~5 72), 126118#(<= ULTIMATE.start_main_~k~5 71), 126121#(<= ULTIMATE.start_main_~k~5 74), 126120#(<= ULTIMATE.start_main_~k~5 73), 126123#(<= ULTIMATE.start_main_~k~5 76), 126122#(<= ULTIMATE.start_main_~k~5 75), 126125#(<= ULTIMATE.start_main_~k~5 78), 126124#(<= ULTIMATE.start_main_~k~5 77), 126127#(<= ULTIMATE.start_main_~k~5 80), 126126#(<= ULTIMATE.start_main_~k~5 79), 126129#(<= ULTIMATE.start_main_~k~5 82), 126128#(<= ULTIMATE.start_main_~k~5 81), 126131#(<= ULTIMATE.start_main_~k~5 84), 126130#(<= ULTIMATE.start_main_~k~5 83), 126133#(<= ULTIMATE.start_main_~k~5 86), 126132#(<= ULTIMATE.start_main_~k~5 85), 126135#(<= ULTIMATE.start_main_~k~5 88), 126134#(<= ULTIMATE.start_main_~k~5 87), 126137#(<= ULTIMATE.start_main_~k~5 90), 126136#(<= ULTIMATE.start_main_~k~5 89), 126139#(<= ULTIMATE.start_main_~k~5 92), 126138#(<= ULTIMATE.start_main_~k~5 91), 126141#(<= ULTIMATE.start_main_~k~5 94), 126140#(<= ULTIMATE.start_main_~k~5 93), 126143#(<= ULTIMATE.start_main_~k~5 96), 126142#(<= ULTIMATE.start_main_~k~5 95), 126145#(<= ULTIMATE.start_main_~k~5 98), 126144#(<= ULTIMATE.start_main_~k~5 97), 126147#(<= ULTIMATE.start_main_~k~5 100), 126146#(<= ULTIMATE.start_main_~k~5 99), 126149#(<= ULTIMATE.start_main_~k~5 102), 126148#(<= ULTIMATE.start_main_~k~5 101), 126151#(<= ULTIMATE.start_main_~k~5 104), 126150#(<= ULTIMATE.start_main_~k~5 103), 126153#(<= ULTIMATE.start_main_~k~5 106), 126152#(<= ULTIMATE.start_main_~k~5 105), 126155#(<= ULTIMATE.start_main_~k~5 108), 126154#(<= ULTIMATE.start_main_~k~5 107), 126157#(<= ULTIMATE.start_main_~k~5 110), 126156#(<= ULTIMATE.start_main_~k~5 109), 126159#(<= ULTIMATE.start_main_~k~5 112), 126158#(<= ULTIMATE.start_main_~k~5 111), 126161#(<= ULTIMATE.start_main_~k~5 114), 126160#(<= ULTIMATE.start_main_~k~5 113), 126163#(<= ULTIMATE.start_main_~k~5 116), 126162#(<= ULTIMATE.start_main_~k~5 115), 126165#(<= ULTIMATE.start_main_~k~5 118), 126164#(<= ULTIMATE.start_main_~k~5 117), 126167#(<= ULTIMATE.start_main_~k~5 120), 126166#(<= ULTIMATE.start_main_~k~5 119), 126169#(<= ULTIMATE.start_main_~k~5 122), 126168#(<= ULTIMATE.start_main_~k~5 121), 126171#(<= ULTIMATE.start_main_~k~5 124), 126170#(<= ULTIMATE.start_main_~k~5 123), 126173#(<= ULTIMATE.start_main_~k~5 126), 126172#(<= ULTIMATE.start_main_~k~5 125), 126175#(<= ULTIMATE.start_main_~k~5 128), 126174#(<= ULTIMATE.start_main_~k~5 127), 126177#(<= ULTIMATE.start_main_~k~5 130), 126176#(<= ULTIMATE.start_main_~k~5 129), 126179#(<= ULTIMATE.start_main_~k~5 132), 126178#(<= ULTIMATE.start_main_~k~5 131), 126181#(<= ULTIMATE.start_main_~k~5 134), 126180#(<= ULTIMATE.start_main_~k~5 133), 126183#(<= ULTIMATE.start_main_~k~5 136), 126182#(<= ULTIMATE.start_main_~k~5 135), 126185#(<= ULTIMATE.start_main_~k~5 138), 126184#(<= ULTIMATE.start_main_~k~5 137), 126187#(<= ULTIMATE.start_main_~k~5 140), 126186#(<= ULTIMATE.start_main_~k~5 139), 126189#(<= ULTIMATE.start_main_~k~5 142), 126188#(<= ULTIMATE.start_main_~k~5 141), 126191#(<= ULTIMATE.start_main_~k~5 144), 126190#(<= ULTIMATE.start_main_~k~5 143), 126193#(<= ULTIMATE.start_main_~k~5 146), 126192#(<= ULTIMATE.start_main_~k~5 145), 126195#(<= ULTIMATE.start_main_~k~5 148), 126194#(<= ULTIMATE.start_main_~k~5 147), 126197#(<= ULTIMATE.start_main_~k~5 150), 126196#(<= ULTIMATE.start_main_~k~5 149), 126199#(<= ULTIMATE.start_main_~k~5 152), 126198#(<= ULTIMATE.start_main_~k~5 151), 126201#(<= ULTIMATE.start_main_~k~5 154), 126200#(<= ULTIMATE.start_main_~k~5 153), 126203#(<= ULTIMATE.start_main_~k~5 156), 126202#(<= ULTIMATE.start_main_~k~5 155), 126205#(<= ULTIMATE.start_main_~k~5 158), 126204#(<= ULTIMATE.start_main_~k~5 157), 126207#(<= ULTIMATE.start_main_~k~5 160), 126206#(<= ULTIMATE.start_main_~k~5 159)] [2018-07-23 13:47:11,058 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 13:47:11,058 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:47:11,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:47:11,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:47:11,062 INFO L87 Difference]: Start difference. First operand 333 states and 333 transitions. Second operand 167 states. [2018-07-23 13:47:12,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:12,150 INFO L93 Difference]: Finished difference Result 337 states and 337 transitions. [2018-07-23 13:47:12,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:47:12,150 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 332 [2018-07-23 13:47:12,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:12,151 INFO L225 Difference]: With dead ends: 337 [2018-07-23 13:47:12,151 INFO L226 Difference]: Without dead ends: 335 [2018-07-23 13:47:12,154 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:47:12,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-07-23 13:47:12,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2018-07-23 13:47:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-07-23 13:47:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 335 transitions. [2018-07-23 13:47:12,158 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 335 transitions. Word has length 332 [2018-07-23 13:47:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:12,158 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 335 transitions. [2018-07-23 13:47:12,158 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:47:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 335 transitions. [2018-07-23 13:47:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-07-23 13:47:12,159 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:12,159 INFO L357 BasicCegarLoop]: trace histogram [166, 165, 1, 1, 1] [2018-07-23 13:47:12,159 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:12,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1074972759, now seen corresponding path program 165 times [2018-07-23 13:47:12,160 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:13,727 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 13:47:13,727 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:13,727 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:47:13,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:13,728 INFO L185 omatonBuilderFactory]: Interpolants [127557#false, 127556#true, 127559#(<= ULTIMATE.start_main_~k~5 1), 127558#(<= ULTIMATE.start_main_~k~5 0), 127561#(<= ULTIMATE.start_main_~k~5 3), 127560#(<= ULTIMATE.start_main_~k~5 2), 127563#(<= ULTIMATE.start_main_~k~5 5), 127562#(<= ULTIMATE.start_main_~k~5 4), 127565#(<= ULTIMATE.start_main_~k~5 7), 127564#(<= ULTIMATE.start_main_~k~5 6), 127567#(<= ULTIMATE.start_main_~k~5 9), 127566#(<= ULTIMATE.start_main_~k~5 8), 127569#(<= ULTIMATE.start_main_~k~5 11), 127568#(<= ULTIMATE.start_main_~k~5 10), 127571#(<= ULTIMATE.start_main_~k~5 13), 127570#(<= ULTIMATE.start_main_~k~5 12), 127573#(<= ULTIMATE.start_main_~k~5 15), 127572#(<= ULTIMATE.start_main_~k~5 14), 127575#(<= ULTIMATE.start_main_~k~5 17), 127574#(<= ULTIMATE.start_main_~k~5 16), 127577#(<= ULTIMATE.start_main_~k~5 19), 127576#(<= ULTIMATE.start_main_~k~5 18), 127579#(<= ULTIMATE.start_main_~k~5 21), 127578#(<= ULTIMATE.start_main_~k~5 20), 127581#(<= ULTIMATE.start_main_~k~5 23), 127580#(<= ULTIMATE.start_main_~k~5 22), 127583#(<= ULTIMATE.start_main_~k~5 25), 127582#(<= ULTIMATE.start_main_~k~5 24), 127585#(<= ULTIMATE.start_main_~k~5 27), 127584#(<= ULTIMATE.start_main_~k~5 26), 127587#(<= ULTIMATE.start_main_~k~5 29), 127586#(<= ULTIMATE.start_main_~k~5 28), 127589#(<= ULTIMATE.start_main_~k~5 31), 127588#(<= ULTIMATE.start_main_~k~5 30), 127591#(<= ULTIMATE.start_main_~k~5 33), 127590#(<= ULTIMATE.start_main_~k~5 32), 127593#(<= ULTIMATE.start_main_~k~5 35), 127592#(<= ULTIMATE.start_main_~k~5 34), 127595#(<= ULTIMATE.start_main_~k~5 37), 127594#(<= ULTIMATE.start_main_~k~5 36), 127597#(<= ULTIMATE.start_main_~k~5 39), 127596#(<= ULTIMATE.start_main_~k~5 38), 127599#(<= ULTIMATE.start_main_~k~5 41), 127598#(<= ULTIMATE.start_main_~k~5 40), 127601#(<= ULTIMATE.start_main_~k~5 43), 127600#(<= ULTIMATE.start_main_~k~5 42), 127603#(<= ULTIMATE.start_main_~k~5 45), 127602#(<= ULTIMATE.start_main_~k~5 44), 127605#(<= ULTIMATE.start_main_~k~5 47), 127604#(<= ULTIMATE.start_main_~k~5 46), 127607#(<= ULTIMATE.start_main_~k~5 49), 127606#(<= ULTIMATE.start_main_~k~5 48), 127609#(<= ULTIMATE.start_main_~k~5 51), 127608#(<= ULTIMATE.start_main_~k~5 50), 127611#(<= ULTIMATE.start_main_~k~5 53), 127610#(<= ULTIMATE.start_main_~k~5 52), 127613#(<= ULTIMATE.start_main_~k~5 55), 127612#(<= ULTIMATE.start_main_~k~5 54), 127615#(<= ULTIMATE.start_main_~k~5 57), 127614#(<= ULTIMATE.start_main_~k~5 56), 127617#(<= ULTIMATE.start_main_~k~5 59), 127616#(<= ULTIMATE.start_main_~k~5 58), 127619#(<= ULTIMATE.start_main_~k~5 61), 127618#(<= ULTIMATE.start_main_~k~5 60), 127621#(<= ULTIMATE.start_main_~k~5 63), 127620#(<= ULTIMATE.start_main_~k~5 62), 127623#(<= ULTIMATE.start_main_~k~5 65), 127622#(<= ULTIMATE.start_main_~k~5 64), 127625#(<= ULTIMATE.start_main_~k~5 67), 127624#(<= ULTIMATE.start_main_~k~5 66), 127627#(<= ULTIMATE.start_main_~k~5 69), 127626#(<= ULTIMATE.start_main_~k~5 68), 127629#(<= ULTIMATE.start_main_~k~5 71), 127628#(<= ULTIMATE.start_main_~k~5 70), 127631#(<= ULTIMATE.start_main_~k~5 73), 127630#(<= ULTIMATE.start_main_~k~5 72), 127633#(<= ULTIMATE.start_main_~k~5 75), 127632#(<= ULTIMATE.start_main_~k~5 74), 127635#(<= ULTIMATE.start_main_~k~5 77), 127634#(<= ULTIMATE.start_main_~k~5 76), 127637#(<= ULTIMATE.start_main_~k~5 79), 127636#(<= ULTIMATE.start_main_~k~5 78), 127639#(<= ULTIMATE.start_main_~k~5 81), 127638#(<= ULTIMATE.start_main_~k~5 80), 127641#(<= ULTIMATE.start_main_~k~5 83), 127640#(<= ULTIMATE.start_main_~k~5 82), 127643#(<= ULTIMATE.start_main_~k~5 85), 127642#(<= ULTIMATE.start_main_~k~5 84), 127645#(<= ULTIMATE.start_main_~k~5 87), 127644#(<= ULTIMATE.start_main_~k~5 86), 127647#(<= ULTIMATE.start_main_~k~5 89), 127646#(<= ULTIMATE.start_main_~k~5 88), 127649#(<= ULTIMATE.start_main_~k~5 91), 127648#(<= ULTIMATE.start_main_~k~5 90), 127651#(<= ULTIMATE.start_main_~k~5 93), 127650#(<= ULTIMATE.start_main_~k~5 92), 127653#(<= ULTIMATE.start_main_~k~5 95), 127652#(<= ULTIMATE.start_main_~k~5 94), 127655#(<= ULTIMATE.start_main_~k~5 97), 127654#(<= ULTIMATE.start_main_~k~5 96), 127657#(<= ULTIMATE.start_main_~k~5 99), 127656#(<= ULTIMATE.start_main_~k~5 98), 127659#(<= ULTIMATE.start_main_~k~5 101), 127658#(<= ULTIMATE.start_main_~k~5 100), 127661#(<= ULTIMATE.start_main_~k~5 103), 127660#(<= ULTIMATE.start_main_~k~5 102), 127663#(<= ULTIMATE.start_main_~k~5 105), 127662#(<= ULTIMATE.start_main_~k~5 104), 127665#(<= ULTIMATE.start_main_~k~5 107), 127664#(<= ULTIMATE.start_main_~k~5 106), 127667#(<= ULTIMATE.start_main_~k~5 109), 127666#(<= ULTIMATE.start_main_~k~5 108), 127669#(<= ULTIMATE.start_main_~k~5 111), 127668#(<= ULTIMATE.start_main_~k~5 110), 127671#(<= ULTIMATE.start_main_~k~5 113), 127670#(<= ULTIMATE.start_main_~k~5 112), 127673#(<= ULTIMATE.start_main_~k~5 115), 127672#(<= ULTIMATE.start_main_~k~5 114), 127675#(<= ULTIMATE.start_main_~k~5 117), 127674#(<= ULTIMATE.start_main_~k~5 116), 127677#(<= ULTIMATE.start_main_~k~5 119), 127676#(<= ULTIMATE.start_main_~k~5 118), 127679#(<= ULTIMATE.start_main_~k~5 121), 127678#(<= ULTIMATE.start_main_~k~5 120), 127681#(<= ULTIMATE.start_main_~k~5 123), 127680#(<= ULTIMATE.start_main_~k~5 122), 127683#(<= ULTIMATE.start_main_~k~5 125), 127682#(<= ULTIMATE.start_main_~k~5 124), 127685#(<= ULTIMATE.start_main_~k~5 127), 127684#(<= ULTIMATE.start_main_~k~5 126), 127687#(<= ULTIMATE.start_main_~k~5 129), 127686#(<= ULTIMATE.start_main_~k~5 128), 127689#(<= ULTIMATE.start_main_~k~5 131), 127688#(<= ULTIMATE.start_main_~k~5 130), 127691#(<= ULTIMATE.start_main_~k~5 133), 127690#(<= ULTIMATE.start_main_~k~5 132), 127693#(<= ULTIMATE.start_main_~k~5 135), 127692#(<= ULTIMATE.start_main_~k~5 134), 127695#(<= ULTIMATE.start_main_~k~5 137), 127694#(<= ULTIMATE.start_main_~k~5 136), 127697#(<= ULTIMATE.start_main_~k~5 139), 127696#(<= ULTIMATE.start_main_~k~5 138), 127699#(<= ULTIMATE.start_main_~k~5 141), 127698#(<= ULTIMATE.start_main_~k~5 140), 127701#(<= ULTIMATE.start_main_~k~5 143), 127700#(<= ULTIMATE.start_main_~k~5 142), 127703#(<= ULTIMATE.start_main_~k~5 145), 127702#(<= ULTIMATE.start_main_~k~5 144), 127705#(<= ULTIMATE.start_main_~k~5 147), 127704#(<= ULTIMATE.start_main_~k~5 146), 127707#(<= ULTIMATE.start_main_~k~5 149), 127706#(<= ULTIMATE.start_main_~k~5 148), 127709#(<= ULTIMATE.start_main_~k~5 151), 127708#(<= ULTIMATE.start_main_~k~5 150), 127711#(<= ULTIMATE.start_main_~k~5 153), 127710#(<= ULTIMATE.start_main_~k~5 152), 127713#(<= ULTIMATE.start_main_~k~5 155), 127712#(<= ULTIMATE.start_main_~k~5 154), 127715#(<= ULTIMATE.start_main_~k~5 157), 127714#(<= ULTIMATE.start_main_~k~5 156), 127717#(<= ULTIMATE.start_main_~k~5 159), 127716#(<= ULTIMATE.start_main_~k~5 158), 127719#(<= ULTIMATE.start_main_~k~5 161), 127718#(<= ULTIMATE.start_main_~k~5 160), 127721#(<= ULTIMATE.start_main_~k~5 163), 127720#(<= ULTIMATE.start_main_~k~5 162), 127723#(<= ULTIMATE.start_main_~k~5 165), 127722#(<= ULTIMATE.start_main_~k~5 164)] [2018-07-23 13:47:13,730 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 13:47:13,730 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:47:13,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:47:13,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:47:13,733 INFO L87 Difference]: Start difference. First operand 335 states and 335 transitions. Second operand 168 states. [2018-07-23 13:47:14,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:14,926 INFO L93 Difference]: Finished difference Result 339 states and 339 transitions. [2018-07-23 13:47:14,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:47:14,927 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 334 [2018-07-23 13:47:14,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:14,927 INFO L225 Difference]: With dead ends: 339 [2018-07-23 13:47:14,927 INFO L226 Difference]: Without dead ends: 337 [2018-07-23 13:47:14,929 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:47:14,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-07-23 13:47:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-07-23 13:47:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-07-23 13:47:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 337 transitions. [2018-07-23 13:47:14,933 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 337 transitions. Word has length 334 [2018-07-23 13:47:14,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:14,934 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 337 transitions. [2018-07-23 13:47:14,934 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:47:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 337 transitions. [2018-07-23 13:47:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-07-23 13:47:14,935 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:14,935 INFO L357 BasicCegarLoop]: trace histogram [167, 166, 1, 1, 1] [2018-07-23 13:47:14,935 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:14,935 INFO L82 PathProgramCache]: Analyzing trace with hash 2038349027, now seen corresponding path program 166 times [2018-07-23 13:47:14,935 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:16,413 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 13:47:16,414 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:16,414 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:47:16,414 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:16,414 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 13:47:16,415 INFO L185 omatonBuilderFactory]: Interpolants [129077#false, 129076#true, 129079#(<= ULTIMATE.start_main_~k~5 1), 129078#(<= ULTIMATE.start_main_~k~5 0), 129081#(<= ULTIMATE.start_main_~k~5 3), 129080#(<= ULTIMATE.start_main_~k~5 2), 129083#(<= ULTIMATE.start_main_~k~5 5), 129082#(<= ULTIMATE.start_main_~k~5 4), 129085#(<= ULTIMATE.start_main_~k~5 7), 129084#(<= ULTIMATE.start_main_~k~5 6), 129087#(<= ULTIMATE.start_main_~k~5 9), 129086#(<= ULTIMATE.start_main_~k~5 8), 129089#(<= ULTIMATE.start_main_~k~5 11), 129088#(<= ULTIMATE.start_main_~k~5 10), 129091#(<= ULTIMATE.start_main_~k~5 13), 129090#(<= ULTIMATE.start_main_~k~5 12), 129093#(<= ULTIMATE.start_main_~k~5 15), 129092#(<= ULTIMATE.start_main_~k~5 14), 129095#(<= ULTIMATE.start_main_~k~5 17), 129094#(<= ULTIMATE.start_main_~k~5 16), 129097#(<= ULTIMATE.start_main_~k~5 19), 129096#(<= ULTIMATE.start_main_~k~5 18), 129099#(<= ULTIMATE.start_main_~k~5 21), 129098#(<= ULTIMATE.start_main_~k~5 20), 129101#(<= ULTIMATE.start_main_~k~5 23), 129100#(<= ULTIMATE.start_main_~k~5 22), 129103#(<= ULTIMATE.start_main_~k~5 25), 129102#(<= ULTIMATE.start_main_~k~5 24), 129105#(<= ULTIMATE.start_main_~k~5 27), 129104#(<= ULTIMATE.start_main_~k~5 26), 129107#(<= ULTIMATE.start_main_~k~5 29), 129106#(<= ULTIMATE.start_main_~k~5 28), 129109#(<= ULTIMATE.start_main_~k~5 31), 129108#(<= ULTIMATE.start_main_~k~5 30), 129111#(<= ULTIMATE.start_main_~k~5 33), 129110#(<= ULTIMATE.start_main_~k~5 32), 129113#(<= ULTIMATE.start_main_~k~5 35), 129112#(<= ULTIMATE.start_main_~k~5 34), 129115#(<= ULTIMATE.start_main_~k~5 37), 129114#(<= ULTIMATE.start_main_~k~5 36), 129117#(<= ULTIMATE.start_main_~k~5 39), 129116#(<= ULTIMATE.start_main_~k~5 38), 129119#(<= ULTIMATE.start_main_~k~5 41), 129118#(<= ULTIMATE.start_main_~k~5 40), 129121#(<= ULTIMATE.start_main_~k~5 43), 129120#(<= ULTIMATE.start_main_~k~5 42), 129123#(<= ULTIMATE.start_main_~k~5 45), 129122#(<= ULTIMATE.start_main_~k~5 44), 129125#(<= ULTIMATE.start_main_~k~5 47), 129124#(<= ULTIMATE.start_main_~k~5 46), 129127#(<= ULTIMATE.start_main_~k~5 49), 129126#(<= ULTIMATE.start_main_~k~5 48), 129129#(<= ULTIMATE.start_main_~k~5 51), 129128#(<= ULTIMATE.start_main_~k~5 50), 129131#(<= ULTIMATE.start_main_~k~5 53), 129130#(<= ULTIMATE.start_main_~k~5 52), 129133#(<= ULTIMATE.start_main_~k~5 55), 129132#(<= ULTIMATE.start_main_~k~5 54), 129135#(<= ULTIMATE.start_main_~k~5 57), 129134#(<= ULTIMATE.start_main_~k~5 56), 129137#(<= ULTIMATE.start_main_~k~5 59), 129136#(<= ULTIMATE.start_main_~k~5 58), 129139#(<= ULTIMATE.start_main_~k~5 61), 129138#(<= ULTIMATE.start_main_~k~5 60), 129141#(<= ULTIMATE.start_main_~k~5 63), 129140#(<= ULTIMATE.start_main_~k~5 62), 129143#(<= ULTIMATE.start_main_~k~5 65), 129142#(<= ULTIMATE.start_main_~k~5 64), 129145#(<= ULTIMATE.start_main_~k~5 67), 129144#(<= ULTIMATE.start_main_~k~5 66), 129147#(<= ULTIMATE.start_main_~k~5 69), 129146#(<= ULTIMATE.start_main_~k~5 68), 129149#(<= ULTIMATE.start_main_~k~5 71), 129148#(<= ULTIMATE.start_main_~k~5 70), 129151#(<= ULTIMATE.start_main_~k~5 73), 129150#(<= ULTIMATE.start_main_~k~5 72), 129153#(<= ULTIMATE.start_main_~k~5 75), 129152#(<= ULTIMATE.start_main_~k~5 74), 129155#(<= ULTIMATE.start_main_~k~5 77), 129154#(<= ULTIMATE.start_main_~k~5 76), 129157#(<= ULTIMATE.start_main_~k~5 79), 129156#(<= ULTIMATE.start_main_~k~5 78), 129159#(<= ULTIMATE.start_main_~k~5 81), 129158#(<= ULTIMATE.start_main_~k~5 80), 129161#(<= ULTIMATE.start_main_~k~5 83), 129160#(<= ULTIMATE.start_main_~k~5 82), 129163#(<= ULTIMATE.start_main_~k~5 85), 129162#(<= ULTIMATE.start_main_~k~5 84), 129165#(<= ULTIMATE.start_main_~k~5 87), 129164#(<= ULTIMATE.start_main_~k~5 86), 129167#(<= ULTIMATE.start_main_~k~5 89), 129166#(<= ULTIMATE.start_main_~k~5 88), 129169#(<= ULTIMATE.start_main_~k~5 91), 129168#(<= ULTIMATE.start_main_~k~5 90), 129171#(<= ULTIMATE.start_main_~k~5 93), 129170#(<= ULTIMATE.start_main_~k~5 92), 129173#(<= ULTIMATE.start_main_~k~5 95), 129172#(<= ULTIMATE.start_main_~k~5 94), 129175#(<= ULTIMATE.start_main_~k~5 97), 129174#(<= ULTIMATE.start_main_~k~5 96), 129177#(<= ULTIMATE.start_main_~k~5 99), 129176#(<= ULTIMATE.start_main_~k~5 98), 129179#(<= ULTIMATE.start_main_~k~5 101), 129178#(<= ULTIMATE.start_main_~k~5 100), 129181#(<= ULTIMATE.start_main_~k~5 103), 129180#(<= ULTIMATE.start_main_~k~5 102), 129183#(<= ULTIMATE.start_main_~k~5 105), 129182#(<= ULTIMATE.start_main_~k~5 104), 129185#(<= ULTIMATE.start_main_~k~5 107), 129184#(<= ULTIMATE.start_main_~k~5 106), 129187#(<= ULTIMATE.start_main_~k~5 109), 129186#(<= ULTIMATE.start_main_~k~5 108), 129189#(<= ULTIMATE.start_main_~k~5 111), 129188#(<= ULTIMATE.start_main_~k~5 110), 129191#(<= ULTIMATE.start_main_~k~5 113), 129190#(<= ULTIMATE.start_main_~k~5 112), 129193#(<= ULTIMATE.start_main_~k~5 115), 129192#(<= ULTIMATE.start_main_~k~5 114), 129195#(<= ULTIMATE.start_main_~k~5 117), 129194#(<= ULTIMATE.start_main_~k~5 116), 129197#(<= ULTIMATE.start_main_~k~5 119), 129196#(<= ULTIMATE.start_main_~k~5 118), 129199#(<= ULTIMATE.start_main_~k~5 121), 129198#(<= ULTIMATE.start_main_~k~5 120), 129201#(<= ULTIMATE.start_main_~k~5 123), 129200#(<= ULTIMATE.start_main_~k~5 122), 129203#(<= ULTIMATE.start_main_~k~5 125), 129202#(<= ULTIMATE.start_main_~k~5 124), 129205#(<= ULTIMATE.start_main_~k~5 127), 129204#(<= ULTIMATE.start_main_~k~5 126), 129207#(<= ULTIMATE.start_main_~k~5 129), 129206#(<= ULTIMATE.start_main_~k~5 128), 129209#(<= ULTIMATE.start_main_~k~5 131), 129208#(<= ULTIMATE.start_main_~k~5 130), 129211#(<= ULTIMATE.start_main_~k~5 133), 129210#(<= ULTIMATE.start_main_~k~5 132), 129213#(<= ULTIMATE.start_main_~k~5 135), 129212#(<= ULTIMATE.start_main_~k~5 134), 129215#(<= ULTIMATE.start_main_~k~5 137), 129214#(<= ULTIMATE.start_main_~k~5 136), 129217#(<= ULTIMATE.start_main_~k~5 139), 129216#(<= ULTIMATE.start_main_~k~5 138), 129219#(<= ULTIMATE.start_main_~k~5 141), 129218#(<= ULTIMATE.start_main_~k~5 140), 129221#(<= ULTIMATE.start_main_~k~5 143), 129220#(<= ULTIMATE.start_main_~k~5 142), 129223#(<= ULTIMATE.start_main_~k~5 145), 129222#(<= ULTIMATE.start_main_~k~5 144), 129225#(<= ULTIMATE.start_main_~k~5 147), 129224#(<= ULTIMATE.start_main_~k~5 146), 129227#(<= ULTIMATE.start_main_~k~5 149), 129226#(<= ULTIMATE.start_main_~k~5 148), 129229#(<= ULTIMATE.start_main_~k~5 151), 129228#(<= ULTIMATE.start_main_~k~5 150), 129231#(<= ULTIMATE.start_main_~k~5 153), 129230#(<= ULTIMATE.start_main_~k~5 152), 129233#(<= ULTIMATE.start_main_~k~5 155), 129232#(<= ULTIMATE.start_main_~k~5 154), 129235#(<= ULTIMATE.start_main_~k~5 157), 129234#(<= ULTIMATE.start_main_~k~5 156), 129237#(<= ULTIMATE.start_main_~k~5 159), 129236#(<= ULTIMATE.start_main_~k~5 158), 129239#(<= ULTIMATE.start_main_~k~5 161), 129238#(<= ULTIMATE.start_main_~k~5 160), 129241#(<= ULTIMATE.start_main_~k~5 163), 129240#(<= ULTIMATE.start_main_~k~5 162), 129243#(<= ULTIMATE.start_main_~k~5 165), 129242#(<= ULTIMATE.start_main_~k~5 164), 129244#(<= ULTIMATE.start_main_~k~5 166)] [2018-07-23 13:47:16,416 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 13:47:16,416 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:47:16,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:47:16,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:47:16,420 INFO L87 Difference]: Start difference. First operand 337 states and 337 transitions. Second operand 169 states. [2018-07-23 13:47:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:17,673 INFO L93 Difference]: Finished difference Result 341 states and 341 transitions. [2018-07-23 13:47:17,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:47:17,674 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 336 [2018-07-23 13:47:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:17,674 INFO L225 Difference]: With dead ends: 341 [2018-07-23 13:47:17,674 INFO L226 Difference]: Without dead ends: 339 [2018-07-23 13:47:17,677 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:47:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-07-23 13:47:17,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2018-07-23 13:47:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-07-23 13:47:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 339 transitions. [2018-07-23 13:47:17,681 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 339 transitions. Word has length 336 [2018-07-23 13:47:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:17,681 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 339 transitions. [2018-07-23 13:47:17,681 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:47:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 339 transitions. [2018-07-23 13:47:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-07-23 13:47:17,682 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:17,682 INFO L357 BasicCegarLoop]: trace histogram [168, 167, 1, 1, 1] [2018-07-23 13:47:17,682 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash 348380061, now seen corresponding path program 167 times [2018-07-23 13:47:17,683 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:19,265 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 13:47:19,266 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:19,266 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:47:19,266 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:19,266 INFO L185 omatonBuilderFactory]: Interpolants [130605#true, 130607#(<= ULTIMATE.start_main_~k~5 0), 130606#false, 130609#(<= ULTIMATE.start_main_~k~5 2), 130608#(<= ULTIMATE.start_main_~k~5 1), 130611#(<= ULTIMATE.start_main_~k~5 4), 130610#(<= ULTIMATE.start_main_~k~5 3), 130613#(<= ULTIMATE.start_main_~k~5 6), 130612#(<= ULTIMATE.start_main_~k~5 5), 130615#(<= ULTIMATE.start_main_~k~5 8), 130614#(<= ULTIMATE.start_main_~k~5 7), 130617#(<= ULTIMATE.start_main_~k~5 10), 130616#(<= ULTIMATE.start_main_~k~5 9), 130619#(<= ULTIMATE.start_main_~k~5 12), 130618#(<= ULTIMATE.start_main_~k~5 11), 130621#(<= ULTIMATE.start_main_~k~5 14), 130620#(<= ULTIMATE.start_main_~k~5 13), 130623#(<= ULTIMATE.start_main_~k~5 16), 130622#(<= ULTIMATE.start_main_~k~5 15), 130625#(<= ULTIMATE.start_main_~k~5 18), 130624#(<= ULTIMATE.start_main_~k~5 17), 130627#(<= ULTIMATE.start_main_~k~5 20), 130626#(<= ULTIMATE.start_main_~k~5 19), 130629#(<= ULTIMATE.start_main_~k~5 22), 130628#(<= ULTIMATE.start_main_~k~5 21), 130631#(<= ULTIMATE.start_main_~k~5 24), 130630#(<= ULTIMATE.start_main_~k~5 23), 130633#(<= ULTIMATE.start_main_~k~5 26), 130632#(<= ULTIMATE.start_main_~k~5 25), 130635#(<= ULTIMATE.start_main_~k~5 28), 130634#(<= ULTIMATE.start_main_~k~5 27), 130637#(<= ULTIMATE.start_main_~k~5 30), 130636#(<= ULTIMATE.start_main_~k~5 29), 130639#(<= ULTIMATE.start_main_~k~5 32), 130638#(<= ULTIMATE.start_main_~k~5 31), 130641#(<= ULTIMATE.start_main_~k~5 34), 130640#(<= ULTIMATE.start_main_~k~5 33), 130643#(<= ULTIMATE.start_main_~k~5 36), 130642#(<= ULTIMATE.start_main_~k~5 35), 130645#(<= ULTIMATE.start_main_~k~5 38), 130644#(<= ULTIMATE.start_main_~k~5 37), 130647#(<= ULTIMATE.start_main_~k~5 40), 130646#(<= ULTIMATE.start_main_~k~5 39), 130649#(<= ULTIMATE.start_main_~k~5 42), 130648#(<= ULTIMATE.start_main_~k~5 41), 130651#(<= ULTIMATE.start_main_~k~5 44), 130650#(<= ULTIMATE.start_main_~k~5 43), 130653#(<= ULTIMATE.start_main_~k~5 46), 130652#(<= ULTIMATE.start_main_~k~5 45), 130655#(<= ULTIMATE.start_main_~k~5 48), 130654#(<= ULTIMATE.start_main_~k~5 47), 130657#(<= ULTIMATE.start_main_~k~5 50), 130656#(<= ULTIMATE.start_main_~k~5 49), 130659#(<= ULTIMATE.start_main_~k~5 52), 130658#(<= ULTIMATE.start_main_~k~5 51), 130661#(<= ULTIMATE.start_main_~k~5 54), 130660#(<= ULTIMATE.start_main_~k~5 53), 130663#(<= ULTIMATE.start_main_~k~5 56), 130662#(<= ULTIMATE.start_main_~k~5 55), 130665#(<= ULTIMATE.start_main_~k~5 58), 130664#(<= ULTIMATE.start_main_~k~5 57), 130667#(<= ULTIMATE.start_main_~k~5 60), 130666#(<= ULTIMATE.start_main_~k~5 59), 130669#(<= ULTIMATE.start_main_~k~5 62), 130668#(<= ULTIMATE.start_main_~k~5 61), 130671#(<= ULTIMATE.start_main_~k~5 64), 130670#(<= ULTIMATE.start_main_~k~5 63), 130673#(<= ULTIMATE.start_main_~k~5 66), 130672#(<= ULTIMATE.start_main_~k~5 65), 130675#(<= ULTIMATE.start_main_~k~5 68), 130674#(<= ULTIMATE.start_main_~k~5 67), 130677#(<= ULTIMATE.start_main_~k~5 70), 130676#(<= ULTIMATE.start_main_~k~5 69), 130679#(<= ULTIMATE.start_main_~k~5 72), 130678#(<= ULTIMATE.start_main_~k~5 71), 130681#(<= ULTIMATE.start_main_~k~5 74), 130680#(<= ULTIMATE.start_main_~k~5 73), 130683#(<= ULTIMATE.start_main_~k~5 76), 130682#(<= ULTIMATE.start_main_~k~5 75), 130685#(<= ULTIMATE.start_main_~k~5 78), 130684#(<= ULTIMATE.start_main_~k~5 77), 130687#(<= ULTIMATE.start_main_~k~5 80), 130686#(<= ULTIMATE.start_main_~k~5 79), 130689#(<= ULTIMATE.start_main_~k~5 82), 130688#(<= ULTIMATE.start_main_~k~5 81), 130691#(<= ULTIMATE.start_main_~k~5 84), 130690#(<= ULTIMATE.start_main_~k~5 83), 130693#(<= ULTIMATE.start_main_~k~5 86), 130692#(<= ULTIMATE.start_main_~k~5 85), 130695#(<= ULTIMATE.start_main_~k~5 88), 130694#(<= ULTIMATE.start_main_~k~5 87), 130697#(<= ULTIMATE.start_main_~k~5 90), 130696#(<= ULTIMATE.start_main_~k~5 89), 130699#(<= ULTIMATE.start_main_~k~5 92), 130698#(<= ULTIMATE.start_main_~k~5 91), 130701#(<= ULTIMATE.start_main_~k~5 94), 130700#(<= ULTIMATE.start_main_~k~5 93), 130703#(<= ULTIMATE.start_main_~k~5 96), 130702#(<= ULTIMATE.start_main_~k~5 95), 130705#(<= ULTIMATE.start_main_~k~5 98), 130704#(<= ULTIMATE.start_main_~k~5 97), 130707#(<= ULTIMATE.start_main_~k~5 100), 130706#(<= ULTIMATE.start_main_~k~5 99), 130709#(<= ULTIMATE.start_main_~k~5 102), 130708#(<= ULTIMATE.start_main_~k~5 101), 130711#(<= ULTIMATE.start_main_~k~5 104), 130710#(<= ULTIMATE.start_main_~k~5 103), 130713#(<= ULTIMATE.start_main_~k~5 106), 130712#(<= ULTIMATE.start_main_~k~5 105), 130715#(<= ULTIMATE.start_main_~k~5 108), 130714#(<= ULTIMATE.start_main_~k~5 107), 130717#(<= ULTIMATE.start_main_~k~5 110), 130716#(<= ULTIMATE.start_main_~k~5 109), 130719#(<= ULTIMATE.start_main_~k~5 112), 130718#(<= ULTIMATE.start_main_~k~5 111), 130721#(<= ULTIMATE.start_main_~k~5 114), 130720#(<= ULTIMATE.start_main_~k~5 113), 130723#(<= ULTIMATE.start_main_~k~5 116), 130722#(<= ULTIMATE.start_main_~k~5 115), 130725#(<= ULTIMATE.start_main_~k~5 118), 130724#(<= ULTIMATE.start_main_~k~5 117), 130727#(<= ULTIMATE.start_main_~k~5 120), 130726#(<= ULTIMATE.start_main_~k~5 119), 130729#(<= ULTIMATE.start_main_~k~5 122), 130728#(<= ULTIMATE.start_main_~k~5 121), 130731#(<= ULTIMATE.start_main_~k~5 124), 130730#(<= ULTIMATE.start_main_~k~5 123), 130733#(<= ULTIMATE.start_main_~k~5 126), 130732#(<= ULTIMATE.start_main_~k~5 125), 130735#(<= ULTIMATE.start_main_~k~5 128), 130734#(<= ULTIMATE.start_main_~k~5 127), 130737#(<= ULTIMATE.start_main_~k~5 130), 130736#(<= ULTIMATE.start_main_~k~5 129), 130739#(<= ULTIMATE.start_main_~k~5 132), 130738#(<= ULTIMATE.start_main_~k~5 131), 130741#(<= ULTIMATE.start_main_~k~5 134), 130740#(<= ULTIMATE.start_main_~k~5 133), 130743#(<= ULTIMATE.start_main_~k~5 136), 130742#(<= ULTIMATE.start_main_~k~5 135), 130745#(<= ULTIMATE.start_main_~k~5 138), 130744#(<= ULTIMATE.start_main_~k~5 137), 130747#(<= ULTIMATE.start_main_~k~5 140), 130746#(<= ULTIMATE.start_main_~k~5 139), 130749#(<= ULTIMATE.start_main_~k~5 142), 130748#(<= ULTIMATE.start_main_~k~5 141), 130751#(<= ULTIMATE.start_main_~k~5 144), 130750#(<= ULTIMATE.start_main_~k~5 143), 130753#(<= ULTIMATE.start_main_~k~5 146), 130752#(<= ULTIMATE.start_main_~k~5 145), 130755#(<= ULTIMATE.start_main_~k~5 148), 130754#(<= ULTIMATE.start_main_~k~5 147), 130757#(<= ULTIMATE.start_main_~k~5 150), 130756#(<= ULTIMATE.start_main_~k~5 149), 130759#(<= ULTIMATE.start_main_~k~5 152), 130758#(<= ULTIMATE.start_main_~k~5 151), 130761#(<= ULTIMATE.start_main_~k~5 154), 130760#(<= ULTIMATE.start_main_~k~5 153), 130763#(<= ULTIMATE.start_main_~k~5 156), 130762#(<= ULTIMATE.start_main_~k~5 155), 130765#(<= ULTIMATE.start_main_~k~5 158), 130764#(<= ULTIMATE.start_main_~k~5 157), 130767#(<= ULTIMATE.start_main_~k~5 160), 130766#(<= ULTIMATE.start_main_~k~5 159), 130769#(<= ULTIMATE.start_main_~k~5 162), 130768#(<= ULTIMATE.start_main_~k~5 161), 130771#(<= ULTIMATE.start_main_~k~5 164), 130770#(<= ULTIMATE.start_main_~k~5 163), 130773#(<= ULTIMATE.start_main_~k~5 166), 130772#(<= ULTIMATE.start_main_~k~5 165), 130774#(<= ULTIMATE.start_main_~k~5 167)] [2018-07-23 13:47:19,268 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 13:47:19,268 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:47:19,270 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:47:19,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:47:19,272 INFO L87 Difference]: Start difference. First operand 339 states and 339 transitions. Second operand 170 states. [2018-07-23 13:47:20,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:20,598 INFO L93 Difference]: Finished difference Result 343 states and 343 transitions. [2018-07-23 13:47:20,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:47:20,598 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 338 [2018-07-23 13:47:20,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:20,599 INFO L225 Difference]: With dead ends: 343 [2018-07-23 13:47:20,599 INFO L226 Difference]: Without dead ends: 341 [2018-07-23 13:47:20,602 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:47:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-07-23 13:47:20,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2018-07-23 13:47:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-07-23 13:47:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 341 transitions. [2018-07-23 13:47:20,606 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 341 transitions. Word has length 338 [2018-07-23 13:47:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:20,606 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 341 transitions. [2018-07-23 13:47:20,606 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:47:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 341 transitions. [2018-07-23 13:47:20,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-23 13:47:20,607 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:20,607 INFO L357 BasicCegarLoop]: trace histogram [169, 168, 1, 1, 1] [2018-07-23 13:47:20,607 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:20,608 INFO L82 PathProgramCache]: Analyzing trace with hash -214158377, now seen corresponding path program 168 times [2018-07-23 13:47:20,608 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:22,154 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 13:47:22,154 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:22,154 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:47:22,154 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:22,155 INFO L185 omatonBuilderFactory]: Interpolants [132143#true, 132146#(<= ULTIMATE.start_main_~k~5 1), 132147#(<= ULTIMATE.start_main_~k~5 2), 132144#false, 132145#(<= ULTIMATE.start_main_~k~5 0), 132150#(<= ULTIMATE.start_main_~k~5 5), 132151#(<= ULTIMATE.start_main_~k~5 6), 132148#(<= ULTIMATE.start_main_~k~5 3), 132149#(<= ULTIMATE.start_main_~k~5 4), 132154#(<= ULTIMATE.start_main_~k~5 9), 132155#(<= ULTIMATE.start_main_~k~5 10), 132152#(<= ULTIMATE.start_main_~k~5 7), 132153#(<= ULTIMATE.start_main_~k~5 8), 132158#(<= ULTIMATE.start_main_~k~5 13), 132159#(<= ULTIMATE.start_main_~k~5 14), 132156#(<= ULTIMATE.start_main_~k~5 11), 132157#(<= ULTIMATE.start_main_~k~5 12), 132162#(<= ULTIMATE.start_main_~k~5 17), 132163#(<= ULTIMATE.start_main_~k~5 18), 132160#(<= ULTIMATE.start_main_~k~5 15), 132161#(<= ULTIMATE.start_main_~k~5 16), 132166#(<= ULTIMATE.start_main_~k~5 21), 132167#(<= ULTIMATE.start_main_~k~5 22), 132164#(<= ULTIMATE.start_main_~k~5 19), 132165#(<= ULTIMATE.start_main_~k~5 20), 132170#(<= ULTIMATE.start_main_~k~5 25), 132171#(<= ULTIMATE.start_main_~k~5 26), 132168#(<= ULTIMATE.start_main_~k~5 23), 132169#(<= ULTIMATE.start_main_~k~5 24), 132174#(<= ULTIMATE.start_main_~k~5 29), 132175#(<= ULTIMATE.start_main_~k~5 30), 132172#(<= ULTIMATE.start_main_~k~5 27), 132173#(<= ULTIMATE.start_main_~k~5 28), 132178#(<= ULTIMATE.start_main_~k~5 33), 132179#(<= ULTIMATE.start_main_~k~5 34), 132176#(<= ULTIMATE.start_main_~k~5 31), 132177#(<= ULTIMATE.start_main_~k~5 32), 132182#(<= ULTIMATE.start_main_~k~5 37), 132183#(<= ULTIMATE.start_main_~k~5 38), 132180#(<= ULTIMATE.start_main_~k~5 35), 132181#(<= ULTIMATE.start_main_~k~5 36), 132186#(<= ULTIMATE.start_main_~k~5 41), 132187#(<= ULTIMATE.start_main_~k~5 42), 132184#(<= ULTIMATE.start_main_~k~5 39), 132185#(<= ULTIMATE.start_main_~k~5 40), 132190#(<= ULTIMATE.start_main_~k~5 45), 132191#(<= ULTIMATE.start_main_~k~5 46), 132188#(<= ULTIMATE.start_main_~k~5 43), 132189#(<= ULTIMATE.start_main_~k~5 44), 132194#(<= ULTIMATE.start_main_~k~5 49), 132195#(<= ULTIMATE.start_main_~k~5 50), 132192#(<= ULTIMATE.start_main_~k~5 47), 132193#(<= ULTIMATE.start_main_~k~5 48), 132198#(<= ULTIMATE.start_main_~k~5 53), 132199#(<= ULTIMATE.start_main_~k~5 54), 132196#(<= ULTIMATE.start_main_~k~5 51), 132197#(<= ULTIMATE.start_main_~k~5 52), 132202#(<= ULTIMATE.start_main_~k~5 57), 132203#(<= ULTIMATE.start_main_~k~5 58), 132200#(<= ULTIMATE.start_main_~k~5 55), 132201#(<= ULTIMATE.start_main_~k~5 56), 132206#(<= ULTIMATE.start_main_~k~5 61), 132207#(<= ULTIMATE.start_main_~k~5 62), 132204#(<= ULTIMATE.start_main_~k~5 59), 132205#(<= ULTIMATE.start_main_~k~5 60), 132210#(<= ULTIMATE.start_main_~k~5 65), 132211#(<= ULTIMATE.start_main_~k~5 66), 132208#(<= ULTIMATE.start_main_~k~5 63), 132209#(<= ULTIMATE.start_main_~k~5 64), 132214#(<= ULTIMATE.start_main_~k~5 69), 132215#(<= ULTIMATE.start_main_~k~5 70), 132212#(<= ULTIMATE.start_main_~k~5 67), 132213#(<= ULTIMATE.start_main_~k~5 68), 132218#(<= ULTIMATE.start_main_~k~5 73), 132219#(<= ULTIMATE.start_main_~k~5 74), 132216#(<= ULTIMATE.start_main_~k~5 71), 132217#(<= ULTIMATE.start_main_~k~5 72), 132222#(<= ULTIMATE.start_main_~k~5 77), 132223#(<= ULTIMATE.start_main_~k~5 78), 132220#(<= ULTIMATE.start_main_~k~5 75), 132221#(<= ULTIMATE.start_main_~k~5 76), 132226#(<= ULTIMATE.start_main_~k~5 81), 132227#(<= ULTIMATE.start_main_~k~5 82), 132224#(<= ULTIMATE.start_main_~k~5 79), 132225#(<= ULTIMATE.start_main_~k~5 80), 132230#(<= ULTIMATE.start_main_~k~5 85), 132231#(<= ULTIMATE.start_main_~k~5 86), 132228#(<= ULTIMATE.start_main_~k~5 83), 132229#(<= ULTIMATE.start_main_~k~5 84), 132234#(<= ULTIMATE.start_main_~k~5 89), 132235#(<= ULTIMATE.start_main_~k~5 90), 132232#(<= ULTIMATE.start_main_~k~5 87), 132233#(<= ULTIMATE.start_main_~k~5 88), 132238#(<= ULTIMATE.start_main_~k~5 93), 132239#(<= ULTIMATE.start_main_~k~5 94), 132236#(<= ULTIMATE.start_main_~k~5 91), 132237#(<= ULTIMATE.start_main_~k~5 92), 132242#(<= ULTIMATE.start_main_~k~5 97), 132243#(<= ULTIMATE.start_main_~k~5 98), 132240#(<= ULTIMATE.start_main_~k~5 95), 132241#(<= ULTIMATE.start_main_~k~5 96), 132246#(<= ULTIMATE.start_main_~k~5 101), 132247#(<= ULTIMATE.start_main_~k~5 102), 132244#(<= ULTIMATE.start_main_~k~5 99), 132245#(<= ULTIMATE.start_main_~k~5 100), 132250#(<= ULTIMATE.start_main_~k~5 105), 132251#(<= ULTIMATE.start_main_~k~5 106), 132248#(<= ULTIMATE.start_main_~k~5 103), 132249#(<= ULTIMATE.start_main_~k~5 104), 132254#(<= ULTIMATE.start_main_~k~5 109), 132255#(<= ULTIMATE.start_main_~k~5 110), 132252#(<= ULTIMATE.start_main_~k~5 107), 132253#(<= ULTIMATE.start_main_~k~5 108), 132258#(<= ULTIMATE.start_main_~k~5 113), 132259#(<= ULTIMATE.start_main_~k~5 114), 132256#(<= ULTIMATE.start_main_~k~5 111), 132257#(<= ULTIMATE.start_main_~k~5 112), 132262#(<= ULTIMATE.start_main_~k~5 117), 132263#(<= ULTIMATE.start_main_~k~5 118), 132260#(<= ULTIMATE.start_main_~k~5 115), 132261#(<= ULTIMATE.start_main_~k~5 116), 132266#(<= ULTIMATE.start_main_~k~5 121), 132267#(<= ULTIMATE.start_main_~k~5 122), 132264#(<= ULTIMATE.start_main_~k~5 119), 132265#(<= ULTIMATE.start_main_~k~5 120), 132270#(<= ULTIMATE.start_main_~k~5 125), 132271#(<= ULTIMATE.start_main_~k~5 126), 132268#(<= ULTIMATE.start_main_~k~5 123), 132269#(<= ULTIMATE.start_main_~k~5 124), 132274#(<= ULTIMATE.start_main_~k~5 129), 132275#(<= ULTIMATE.start_main_~k~5 130), 132272#(<= ULTIMATE.start_main_~k~5 127), 132273#(<= ULTIMATE.start_main_~k~5 128), 132278#(<= ULTIMATE.start_main_~k~5 133), 132279#(<= ULTIMATE.start_main_~k~5 134), 132276#(<= ULTIMATE.start_main_~k~5 131), 132277#(<= ULTIMATE.start_main_~k~5 132), 132282#(<= ULTIMATE.start_main_~k~5 137), 132283#(<= ULTIMATE.start_main_~k~5 138), 132280#(<= ULTIMATE.start_main_~k~5 135), 132281#(<= ULTIMATE.start_main_~k~5 136), 132286#(<= ULTIMATE.start_main_~k~5 141), 132287#(<= ULTIMATE.start_main_~k~5 142), 132284#(<= ULTIMATE.start_main_~k~5 139), 132285#(<= ULTIMATE.start_main_~k~5 140), 132290#(<= ULTIMATE.start_main_~k~5 145), 132291#(<= ULTIMATE.start_main_~k~5 146), 132288#(<= ULTIMATE.start_main_~k~5 143), 132289#(<= ULTIMATE.start_main_~k~5 144), 132294#(<= ULTIMATE.start_main_~k~5 149), 132295#(<= ULTIMATE.start_main_~k~5 150), 132292#(<= ULTIMATE.start_main_~k~5 147), 132293#(<= ULTIMATE.start_main_~k~5 148), 132298#(<= ULTIMATE.start_main_~k~5 153), 132299#(<= ULTIMATE.start_main_~k~5 154), 132296#(<= ULTIMATE.start_main_~k~5 151), 132297#(<= ULTIMATE.start_main_~k~5 152), 132302#(<= ULTIMATE.start_main_~k~5 157), 132303#(<= ULTIMATE.start_main_~k~5 158), 132300#(<= ULTIMATE.start_main_~k~5 155), 132301#(<= ULTIMATE.start_main_~k~5 156), 132306#(<= ULTIMATE.start_main_~k~5 161), 132307#(<= ULTIMATE.start_main_~k~5 162), 132304#(<= ULTIMATE.start_main_~k~5 159), 132305#(<= ULTIMATE.start_main_~k~5 160), 132310#(<= ULTIMATE.start_main_~k~5 165), 132311#(<= ULTIMATE.start_main_~k~5 166), 132308#(<= ULTIMATE.start_main_~k~5 163), 132309#(<= ULTIMATE.start_main_~k~5 164), 132312#(<= ULTIMATE.start_main_~k~5 167), 132313#(<= ULTIMATE.start_main_~k~5 168)] [2018-07-23 13:47:22,157 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 13:47:22,157 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:47:22,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:47:22,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:47:22,161 INFO L87 Difference]: Start difference. First operand 341 states and 341 transitions. Second operand 171 states. [2018-07-23 13:47:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:23,416 INFO L93 Difference]: Finished difference Result 345 states and 345 transitions. [2018-07-23 13:47:23,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:47:23,417 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 340 [2018-07-23 13:47:23,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:23,417 INFO L225 Difference]: With dead ends: 345 [2018-07-23 13:47:23,417 INFO L226 Difference]: Without dead ends: 343 [2018-07-23 13:47:23,420 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 13:47:23,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-07-23 13:47:23,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2018-07-23 13:47:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-07-23 13:47:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 343 transitions. [2018-07-23 13:47:23,424 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 343 transitions. Word has length 340 [2018-07-23 13:47:23,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:23,424 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 343 transitions. [2018-07-23 13:47:23,424 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:47:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 343 transitions. [2018-07-23 13:47:23,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-07-23 13:47:23,425 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:23,425 INFO L357 BasicCegarLoop]: trace histogram [170, 169, 1, 1, 1] [2018-07-23 13:47:23,426 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:23,426 INFO L82 PathProgramCache]: Analyzing trace with hash 352282001, now seen corresponding path program 169 times [2018-07-23 13:47:23,426 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:24,999 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 13:47:24,999 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:24,999 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:47:25,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:25,000 INFO L185 omatonBuilderFactory]: Interpolants [133690#true, 133691#false, 133694#(<= ULTIMATE.start_main_~k~5 2), 133695#(<= ULTIMATE.start_main_~k~5 3), 133692#(<= ULTIMATE.start_main_~k~5 0), 133693#(<= ULTIMATE.start_main_~k~5 1), 133698#(<= ULTIMATE.start_main_~k~5 6), 133699#(<= ULTIMATE.start_main_~k~5 7), 133696#(<= ULTIMATE.start_main_~k~5 4), 133697#(<= ULTIMATE.start_main_~k~5 5), 133702#(<= ULTIMATE.start_main_~k~5 10), 133703#(<= ULTIMATE.start_main_~k~5 11), 133700#(<= ULTIMATE.start_main_~k~5 8), 133701#(<= ULTIMATE.start_main_~k~5 9), 133706#(<= ULTIMATE.start_main_~k~5 14), 133707#(<= ULTIMATE.start_main_~k~5 15), 133704#(<= ULTIMATE.start_main_~k~5 12), 133705#(<= ULTIMATE.start_main_~k~5 13), 133710#(<= ULTIMATE.start_main_~k~5 18), 133711#(<= ULTIMATE.start_main_~k~5 19), 133708#(<= ULTIMATE.start_main_~k~5 16), 133709#(<= ULTIMATE.start_main_~k~5 17), 133714#(<= ULTIMATE.start_main_~k~5 22), 133715#(<= ULTIMATE.start_main_~k~5 23), 133712#(<= ULTIMATE.start_main_~k~5 20), 133713#(<= ULTIMATE.start_main_~k~5 21), 133718#(<= ULTIMATE.start_main_~k~5 26), 133719#(<= ULTIMATE.start_main_~k~5 27), 133716#(<= ULTIMATE.start_main_~k~5 24), 133717#(<= ULTIMATE.start_main_~k~5 25), 133722#(<= ULTIMATE.start_main_~k~5 30), 133723#(<= ULTIMATE.start_main_~k~5 31), 133720#(<= ULTIMATE.start_main_~k~5 28), 133721#(<= ULTIMATE.start_main_~k~5 29), 133726#(<= ULTIMATE.start_main_~k~5 34), 133727#(<= ULTIMATE.start_main_~k~5 35), 133724#(<= ULTIMATE.start_main_~k~5 32), 133725#(<= ULTIMATE.start_main_~k~5 33), 133730#(<= ULTIMATE.start_main_~k~5 38), 133731#(<= ULTIMATE.start_main_~k~5 39), 133728#(<= ULTIMATE.start_main_~k~5 36), 133729#(<= ULTIMATE.start_main_~k~5 37), 133734#(<= ULTIMATE.start_main_~k~5 42), 133735#(<= ULTIMATE.start_main_~k~5 43), 133732#(<= ULTIMATE.start_main_~k~5 40), 133733#(<= ULTIMATE.start_main_~k~5 41), 133738#(<= ULTIMATE.start_main_~k~5 46), 133739#(<= ULTIMATE.start_main_~k~5 47), 133736#(<= ULTIMATE.start_main_~k~5 44), 133737#(<= ULTIMATE.start_main_~k~5 45), 133742#(<= ULTIMATE.start_main_~k~5 50), 133743#(<= ULTIMATE.start_main_~k~5 51), 133740#(<= ULTIMATE.start_main_~k~5 48), 133741#(<= ULTIMATE.start_main_~k~5 49), 133746#(<= ULTIMATE.start_main_~k~5 54), 133747#(<= ULTIMATE.start_main_~k~5 55), 133744#(<= ULTIMATE.start_main_~k~5 52), 133745#(<= ULTIMATE.start_main_~k~5 53), 133750#(<= ULTIMATE.start_main_~k~5 58), 133751#(<= ULTIMATE.start_main_~k~5 59), 133748#(<= ULTIMATE.start_main_~k~5 56), 133749#(<= ULTIMATE.start_main_~k~5 57), 133754#(<= ULTIMATE.start_main_~k~5 62), 133755#(<= ULTIMATE.start_main_~k~5 63), 133752#(<= ULTIMATE.start_main_~k~5 60), 133753#(<= ULTIMATE.start_main_~k~5 61), 133758#(<= ULTIMATE.start_main_~k~5 66), 133759#(<= ULTIMATE.start_main_~k~5 67), 133756#(<= ULTIMATE.start_main_~k~5 64), 133757#(<= ULTIMATE.start_main_~k~5 65), 133762#(<= ULTIMATE.start_main_~k~5 70), 133763#(<= ULTIMATE.start_main_~k~5 71), 133760#(<= ULTIMATE.start_main_~k~5 68), 133761#(<= ULTIMATE.start_main_~k~5 69), 133766#(<= ULTIMATE.start_main_~k~5 74), 133767#(<= ULTIMATE.start_main_~k~5 75), 133764#(<= ULTIMATE.start_main_~k~5 72), 133765#(<= ULTIMATE.start_main_~k~5 73), 133770#(<= ULTIMATE.start_main_~k~5 78), 133771#(<= ULTIMATE.start_main_~k~5 79), 133768#(<= ULTIMATE.start_main_~k~5 76), 133769#(<= ULTIMATE.start_main_~k~5 77), 133774#(<= ULTIMATE.start_main_~k~5 82), 133775#(<= ULTIMATE.start_main_~k~5 83), 133772#(<= ULTIMATE.start_main_~k~5 80), 133773#(<= ULTIMATE.start_main_~k~5 81), 133778#(<= ULTIMATE.start_main_~k~5 86), 133779#(<= ULTIMATE.start_main_~k~5 87), 133776#(<= ULTIMATE.start_main_~k~5 84), 133777#(<= ULTIMATE.start_main_~k~5 85), 133782#(<= ULTIMATE.start_main_~k~5 90), 133783#(<= ULTIMATE.start_main_~k~5 91), 133780#(<= ULTIMATE.start_main_~k~5 88), 133781#(<= ULTIMATE.start_main_~k~5 89), 133786#(<= ULTIMATE.start_main_~k~5 94), 133787#(<= ULTIMATE.start_main_~k~5 95), 133784#(<= ULTIMATE.start_main_~k~5 92), 133785#(<= ULTIMATE.start_main_~k~5 93), 133790#(<= ULTIMATE.start_main_~k~5 98), 133791#(<= ULTIMATE.start_main_~k~5 99), 133788#(<= ULTIMATE.start_main_~k~5 96), 133789#(<= ULTIMATE.start_main_~k~5 97), 133794#(<= ULTIMATE.start_main_~k~5 102), 133795#(<= ULTIMATE.start_main_~k~5 103), 133792#(<= ULTIMATE.start_main_~k~5 100), 133793#(<= ULTIMATE.start_main_~k~5 101), 133798#(<= ULTIMATE.start_main_~k~5 106), 133799#(<= ULTIMATE.start_main_~k~5 107), 133796#(<= ULTIMATE.start_main_~k~5 104), 133797#(<= ULTIMATE.start_main_~k~5 105), 133802#(<= ULTIMATE.start_main_~k~5 110), 133803#(<= ULTIMATE.start_main_~k~5 111), 133800#(<= ULTIMATE.start_main_~k~5 108), 133801#(<= ULTIMATE.start_main_~k~5 109), 133806#(<= ULTIMATE.start_main_~k~5 114), 133807#(<= ULTIMATE.start_main_~k~5 115), 133804#(<= ULTIMATE.start_main_~k~5 112), 133805#(<= ULTIMATE.start_main_~k~5 113), 133810#(<= ULTIMATE.start_main_~k~5 118), 133811#(<= ULTIMATE.start_main_~k~5 119), 133808#(<= ULTIMATE.start_main_~k~5 116), 133809#(<= ULTIMATE.start_main_~k~5 117), 133814#(<= ULTIMATE.start_main_~k~5 122), 133815#(<= ULTIMATE.start_main_~k~5 123), 133812#(<= ULTIMATE.start_main_~k~5 120), 133813#(<= ULTIMATE.start_main_~k~5 121), 133818#(<= ULTIMATE.start_main_~k~5 126), 133819#(<= ULTIMATE.start_main_~k~5 127), 133816#(<= ULTIMATE.start_main_~k~5 124), 133817#(<= ULTIMATE.start_main_~k~5 125), 133822#(<= ULTIMATE.start_main_~k~5 130), 133823#(<= ULTIMATE.start_main_~k~5 131), 133820#(<= ULTIMATE.start_main_~k~5 128), 133821#(<= ULTIMATE.start_main_~k~5 129), 133826#(<= ULTIMATE.start_main_~k~5 134), 133827#(<= ULTIMATE.start_main_~k~5 135), 133824#(<= ULTIMATE.start_main_~k~5 132), 133825#(<= ULTIMATE.start_main_~k~5 133), 133830#(<= ULTIMATE.start_main_~k~5 138), 133831#(<= ULTIMATE.start_main_~k~5 139), 133828#(<= ULTIMATE.start_main_~k~5 136), 133829#(<= ULTIMATE.start_main_~k~5 137), 133834#(<= ULTIMATE.start_main_~k~5 142), 133835#(<= ULTIMATE.start_main_~k~5 143), 133832#(<= ULTIMATE.start_main_~k~5 140), 133833#(<= ULTIMATE.start_main_~k~5 141), 133838#(<= ULTIMATE.start_main_~k~5 146), 133839#(<= ULTIMATE.start_main_~k~5 147), 133836#(<= ULTIMATE.start_main_~k~5 144), 133837#(<= ULTIMATE.start_main_~k~5 145), 133842#(<= ULTIMATE.start_main_~k~5 150), 133843#(<= ULTIMATE.start_main_~k~5 151), 133840#(<= ULTIMATE.start_main_~k~5 148), 133841#(<= ULTIMATE.start_main_~k~5 149), 133846#(<= ULTIMATE.start_main_~k~5 154), 133847#(<= ULTIMATE.start_main_~k~5 155), 133844#(<= ULTIMATE.start_main_~k~5 152), 133845#(<= ULTIMATE.start_main_~k~5 153), 133850#(<= ULTIMATE.start_main_~k~5 158), 133851#(<= ULTIMATE.start_main_~k~5 159), 133848#(<= ULTIMATE.start_main_~k~5 156), 133849#(<= ULTIMATE.start_main_~k~5 157), 133854#(<= ULTIMATE.start_main_~k~5 162), 133855#(<= ULTIMATE.start_main_~k~5 163), 133852#(<= ULTIMATE.start_main_~k~5 160), 133853#(<= ULTIMATE.start_main_~k~5 161), 133858#(<= ULTIMATE.start_main_~k~5 166), 133859#(<= ULTIMATE.start_main_~k~5 167), 133856#(<= ULTIMATE.start_main_~k~5 164), 133857#(<= ULTIMATE.start_main_~k~5 165), 133860#(<= ULTIMATE.start_main_~k~5 168), 133861#(<= ULTIMATE.start_main_~k~5 169)] [2018-07-23 13:47:25,001 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 13:47:25,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:47:25,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:47:25,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:47:25,005 INFO L87 Difference]: Start difference. First operand 343 states and 343 transitions. Second operand 172 states. [2018-07-23 13:47:26,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:26,324 INFO L93 Difference]: Finished difference Result 347 states and 347 transitions. [2018-07-23 13:47:26,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:47:26,325 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 342 [2018-07-23 13:47:26,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:26,325 INFO L225 Difference]: With dead ends: 347 [2018-07-23 13:47:26,325 INFO L226 Difference]: Without dead ends: 345 [2018-07-23 13:47:26,328 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:47:26,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-07-23 13:47:26,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-07-23 13:47:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-07-23 13:47:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 345 transitions. [2018-07-23 13:47:26,332 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 345 transitions. Word has length 342 [2018-07-23 13:47:26,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:26,333 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 345 transitions. [2018-07-23 13:47:26,333 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:47:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 345 transitions. [2018-07-23 13:47:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-07-23 13:47:26,334 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:26,334 INFO L357 BasicCegarLoop]: trace histogram [171, 170, 1, 1, 1] [2018-07-23 13:47:26,334 INFO L414 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:26,334 INFO L82 PathProgramCache]: Analyzing trace with hash -759361333, now seen corresponding path program 170 times [2018-07-23 13:47:26,334 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:27,937 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 13:47:27,938 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:27,938 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:47:27,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:27,939 INFO L185 omatonBuilderFactory]: Interpolants [135246#true, 135247#false, 135250#(<= ULTIMATE.start_main_~k~5 2), 135251#(<= ULTIMATE.start_main_~k~5 3), 135248#(<= ULTIMATE.start_main_~k~5 0), 135249#(<= ULTIMATE.start_main_~k~5 1), 135254#(<= ULTIMATE.start_main_~k~5 6), 135255#(<= ULTIMATE.start_main_~k~5 7), 135252#(<= ULTIMATE.start_main_~k~5 4), 135253#(<= ULTIMATE.start_main_~k~5 5), 135258#(<= ULTIMATE.start_main_~k~5 10), 135259#(<= ULTIMATE.start_main_~k~5 11), 135256#(<= ULTIMATE.start_main_~k~5 8), 135257#(<= ULTIMATE.start_main_~k~5 9), 135262#(<= ULTIMATE.start_main_~k~5 14), 135263#(<= ULTIMATE.start_main_~k~5 15), 135260#(<= ULTIMATE.start_main_~k~5 12), 135261#(<= ULTIMATE.start_main_~k~5 13), 135266#(<= ULTIMATE.start_main_~k~5 18), 135267#(<= ULTIMATE.start_main_~k~5 19), 135264#(<= ULTIMATE.start_main_~k~5 16), 135265#(<= ULTIMATE.start_main_~k~5 17), 135270#(<= ULTIMATE.start_main_~k~5 22), 135271#(<= ULTIMATE.start_main_~k~5 23), 135268#(<= ULTIMATE.start_main_~k~5 20), 135269#(<= ULTIMATE.start_main_~k~5 21), 135274#(<= ULTIMATE.start_main_~k~5 26), 135275#(<= ULTIMATE.start_main_~k~5 27), 135272#(<= ULTIMATE.start_main_~k~5 24), 135273#(<= ULTIMATE.start_main_~k~5 25), 135278#(<= ULTIMATE.start_main_~k~5 30), 135279#(<= ULTIMATE.start_main_~k~5 31), 135276#(<= ULTIMATE.start_main_~k~5 28), 135277#(<= ULTIMATE.start_main_~k~5 29), 135282#(<= ULTIMATE.start_main_~k~5 34), 135283#(<= ULTIMATE.start_main_~k~5 35), 135280#(<= ULTIMATE.start_main_~k~5 32), 135281#(<= ULTIMATE.start_main_~k~5 33), 135286#(<= ULTIMATE.start_main_~k~5 38), 135287#(<= ULTIMATE.start_main_~k~5 39), 135284#(<= ULTIMATE.start_main_~k~5 36), 135285#(<= ULTIMATE.start_main_~k~5 37), 135290#(<= ULTIMATE.start_main_~k~5 42), 135291#(<= ULTIMATE.start_main_~k~5 43), 135288#(<= ULTIMATE.start_main_~k~5 40), 135289#(<= ULTIMATE.start_main_~k~5 41), 135294#(<= ULTIMATE.start_main_~k~5 46), 135295#(<= ULTIMATE.start_main_~k~5 47), 135292#(<= ULTIMATE.start_main_~k~5 44), 135293#(<= ULTIMATE.start_main_~k~5 45), 135298#(<= ULTIMATE.start_main_~k~5 50), 135299#(<= ULTIMATE.start_main_~k~5 51), 135296#(<= ULTIMATE.start_main_~k~5 48), 135297#(<= ULTIMATE.start_main_~k~5 49), 135302#(<= ULTIMATE.start_main_~k~5 54), 135303#(<= ULTIMATE.start_main_~k~5 55), 135300#(<= ULTIMATE.start_main_~k~5 52), 135301#(<= ULTIMATE.start_main_~k~5 53), 135306#(<= ULTIMATE.start_main_~k~5 58), 135307#(<= ULTIMATE.start_main_~k~5 59), 135304#(<= ULTIMATE.start_main_~k~5 56), 135305#(<= ULTIMATE.start_main_~k~5 57), 135310#(<= ULTIMATE.start_main_~k~5 62), 135311#(<= ULTIMATE.start_main_~k~5 63), 135308#(<= ULTIMATE.start_main_~k~5 60), 135309#(<= ULTIMATE.start_main_~k~5 61), 135314#(<= ULTIMATE.start_main_~k~5 66), 135315#(<= ULTIMATE.start_main_~k~5 67), 135312#(<= ULTIMATE.start_main_~k~5 64), 135313#(<= ULTIMATE.start_main_~k~5 65), 135318#(<= ULTIMATE.start_main_~k~5 70), 135319#(<= ULTIMATE.start_main_~k~5 71), 135316#(<= ULTIMATE.start_main_~k~5 68), 135317#(<= ULTIMATE.start_main_~k~5 69), 135322#(<= ULTIMATE.start_main_~k~5 74), 135323#(<= ULTIMATE.start_main_~k~5 75), 135320#(<= ULTIMATE.start_main_~k~5 72), 135321#(<= ULTIMATE.start_main_~k~5 73), 135326#(<= ULTIMATE.start_main_~k~5 78), 135327#(<= ULTIMATE.start_main_~k~5 79), 135324#(<= ULTIMATE.start_main_~k~5 76), 135325#(<= ULTIMATE.start_main_~k~5 77), 135330#(<= ULTIMATE.start_main_~k~5 82), 135331#(<= ULTIMATE.start_main_~k~5 83), 135328#(<= ULTIMATE.start_main_~k~5 80), 135329#(<= ULTIMATE.start_main_~k~5 81), 135334#(<= ULTIMATE.start_main_~k~5 86), 135335#(<= ULTIMATE.start_main_~k~5 87), 135332#(<= ULTIMATE.start_main_~k~5 84), 135333#(<= ULTIMATE.start_main_~k~5 85), 135338#(<= ULTIMATE.start_main_~k~5 90), 135339#(<= ULTIMATE.start_main_~k~5 91), 135336#(<= ULTIMATE.start_main_~k~5 88), 135337#(<= ULTIMATE.start_main_~k~5 89), 135342#(<= ULTIMATE.start_main_~k~5 94), 135343#(<= ULTIMATE.start_main_~k~5 95), 135340#(<= ULTIMATE.start_main_~k~5 92), 135341#(<= ULTIMATE.start_main_~k~5 93), 135346#(<= ULTIMATE.start_main_~k~5 98), 135347#(<= ULTIMATE.start_main_~k~5 99), 135344#(<= ULTIMATE.start_main_~k~5 96), 135345#(<= ULTIMATE.start_main_~k~5 97), 135350#(<= ULTIMATE.start_main_~k~5 102), 135351#(<= ULTIMATE.start_main_~k~5 103), 135348#(<= ULTIMATE.start_main_~k~5 100), 135349#(<= ULTIMATE.start_main_~k~5 101), 135354#(<= ULTIMATE.start_main_~k~5 106), 135355#(<= ULTIMATE.start_main_~k~5 107), 135352#(<= ULTIMATE.start_main_~k~5 104), 135353#(<= ULTIMATE.start_main_~k~5 105), 135358#(<= ULTIMATE.start_main_~k~5 110), 135359#(<= ULTIMATE.start_main_~k~5 111), 135356#(<= ULTIMATE.start_main_~k~5 108), 135357#(<= ULTIMATE.start_main_~k~5 109), 135362#(<= ULTIMATE.start_main_~k~5 114), 135363#(<= ULTIMATE.start_main_~k~5 115), 135360#(<= ULTIMATE.start_main_~k~5 112), 135361#(<= ULTIMATE.start_main_~k~5 113), 135366#(<= ULTIMATE.start_main_~k~5 118), 135367#(<= ULTIMATE.start_main_~k~5 119), 135364#(<= ULTIMATE.start_main_~k~5 116), 135365#(<= ULTIMATE.start_main_~k~5 117), 135370#(<= ULTIMATE.start_main_~k~5 122), 135371#(<= ULTIMATE.start_main_~k~5 123), 135368#(<= ULTIMATE.start_main_~k~5 120), 135369#(<= ULTIMATE.start_main_~k~5 121), 135374#(<= ULTIMATE.start_main_~k~5 126), 135375#(<= ULTIMATE.start_main_~k~5 127), 135372#(<= ULTIMATE.start_main_~k~5 124), 135373#(<= ULTIMATE.start_main_~k~5 125), 135378#(<= ULTIMATE.start_main_~k~5 130), 135379#(<= ULTIMATE.start_main_~k~5 131), 135376#(<= ULTIMATE.start_main_~k~5 128), 135377#(<= ULTIMATE.start_main_~k~5 129), 135382#(<= ULTIMATE.start_main_~k~5 134), 135383#(<= ULTIMATE.start_main_~k~5 135), 135380#(<= ULTIMATE.start_main_~k~5 132), 135381#(<= ULTIMATE.start_main_~k~5 133), 135386#(<= ULTIMATE.start_main_~k~5 138), 135387#(<= ULTIMATE.start_main_~k~5 139), 135384#(<= ULTIMATE.start_main_~k~5 136), 135385#(<= ULTIMATE.start_main_~k~5 137), 135390#(<= ULTIMATE.start_main_~k~5 142), 135391#(<= ULTIMATE.start_main_~k~5 143), 135388#(<= ULTIMATE.start_main_~k~5 140), 135389#(<= ULTIMATE.start_main_~k~5 141), 135394#(<= ULTIMATE.start_main_~k~5 146), 135395#(<= ULTIMATE.start_main_~k~5 147), 135392#(<= ULTIMATE.start_main_~k~5 144), 135393#(<= ULTIMATE.start_main_~k~5 145), 135398#(<= ULTIMATE.start_main_~k~5 150), 135399#(<= ULTIMATE.start_main_~k~5 151), 135396#(<= ULTIMATE.start_main_~k~5 148), 135397#(<= ULTIMATE.start_main_~k~5 149), 135402#(<= ULTIMATE.start_main_~k~5 154), 135403#(<= ULTIMATE.start_main_~k~5 155), 135400#(<= ULTIMATE.start_main_~k~5 152), 135401#(<= ULTIMATE.start_main_~k~5 153), 135406#(<= ULTIMATE.start_main_~k~5 158), 135407#(<= ULTIMATE.start_main_~k~5 159), 135404#(<= ULTIMATE.start_main_~k~5 156), 135405#(<= ULTIMATE.start_main_~k~5 157), 135410#(<= ULTIMATE.start_main_~k~5 162), 135411#(<= ULTIMATE.start_main_~k~5 163), 135408#(<= ULTIMATE.start_main_~k~5 160), 135409#(<= ULTIMATE.start_main_~k~5 161), 135414#(<= ULTIMATE.start_main_~k~5 166), 135415#(<= ULTIMATE.start_main_~k~5 167), 135412#(<= ULTIMATE.start_main_~k~5 164), 135413#(<= ULTIMATE.start_main_~k~5 165), 135418#(<= ULTIMATE.start_main_~k~5 170), 135416#(<= ULTIMATE.start_main_~k~5 168), 135417#(<= ULTIMATE.start_main_~k~5 169)] [2018-07-23 13:47:27,940 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 13:47:27,941 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:47:27,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:47:27,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:47:27,946 INFO L87 Difference]: Start difference. First operand 345 states and 345 transitions. Second operand 173 states. [2018-07-23 13:47:29,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:29,238 INFO L93 Difference]: Finished difference Result 349 states and 349 transitions. [2018-07-23 13:47:29,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:47:29,238 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 344 [2018-07-23 13:47:29,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:29,239 INFO L225 Difference]: With dead ends: 349 [2018-07-23 13:47:29,239 INFO L226 Difference]: Without dead ends: 347 [2018-07-23 13:47:29,242 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 13:47:29,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-07-23 13:47:29,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2018-07-23 13:47:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-07-23 13:47:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 347 transitions. [2018-07-23 13:47:29,247 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 347 transitions. Word has length 344 [2018-07-23 13:47:29,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:29,247 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 347 transitions. [2018-07-23 13:47:29,247 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:47:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 347 transitions. [2018-07-23 13:47:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-07-23 13:47:29,248 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:29,248 INFO L357 BasicCegarLoop]: trace histogram [172, 171, 1, 1, 1] [2018-07-23 13:47:29,248 INFO L414 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:29,248 INFO L82 PathProgramCache]: Analyzing trace with hash 398251397, now seen corresponding path program 171 times [2018-07-23 13:47:29,248 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:30,802 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 13:47:30,802 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:30,802 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:47:30,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:30,803 INFO L185 omatonBuilderFactory]: Interpolants [136962#(<= ULTIMATE.start_main_~k~5 149), 136963#(<= ULTIMATE.start_main_~k~5 150), 136960#(<= ULTIMATE.start_main_~k~5 147), 136961#(<= ULTIMATE.start_main_~k~5 148), 136966#(<= ULTIMATE.start_main_~k~5 153), 136967#(<= ULTIMATE.start_main_~k~5 154), 136964#(<= ULTIMATE.start_main_~k~5 151), 136965#(<= ULTIMATE.start_main_~k~5 152), 136970#(<= ULTIMATE.start_main_~k~5 157), 136971#(<= ULTIMATE.start_main_~k~5 158), 136968#(<= ULTIMATE.start_main_~k~5 155), 136969#(<= ULTIMATE.start_main_~k~5 156), 136974#(<= ULTIMATE.start_main_~k~5 161), 136975#(<= ULTIMATE.start_main_~k~5 162), 136972#(<= ULTIMATE.start_main_~k~5 159), 136973#(<= ULTIMATE.start_main_~k~5 160), 136978#(<= ULTIMATE.start_main_~k~5 165), 136979#(<= ULTIMATE.start_main_~k~5 166), 136976#(<= ULTIMATE.start_main_~k~5 163), 136977#(<= ULTIMATE.start_main_~k~5 164), 136982#(<= ULTIMATE.start_main_~k~5 169), 136983#(<= ULTIMATE.start_main_~k~5 170), 136980#(<= ULTIMATE.start_main_~k~5 167), 136981#(<= ULTIMATE.start_main_~k~5 168), 136984#(<= ULTIMATE.start_main_~k~5 171), 136811#true, 136814#(<= ULTIMATE.start_main_~k~5 1), 136815#(<= ULTIMATE.start_main_~k~5 2), 136812#false, 136813#(<= ULTIMATE.start_main_~k~5 0), 136818#(<= ULTIMATE.start_main_~k~5 5), 136819#(<= ULTIMATE.start_main_~k~5 6), 136816#(<= ULTIMATE.start_main_~k~5 3), 136817#(<= ULTIMATE.start_main_~k~5 4), 136822#(<= ULTIMATE.start_main_~k~5 9), 136823#(<= ULTIMATE.start_main_~k~5 10), 136820#(<= ULTIMATE.start_main_~k~5 7), 136821#(<= ULTIMATE.start_main_~k~5 8), 136826#(<= ULTIMATE.start_main_~k~5 13), 136827#(<= ULTIMATE.start_main_~k~5 14), 136824#(<= ULTIMATE.start_main_~k~5 11), 136825#(<= ULTIMATE.start_main_~k~5 12), 136830#(<= ULTIMATE.start_main_~k~5 17), 136831#(<= ULTIMATE.start_main_~k~5 18), 136828#(<= ULTIMATE.start_main_~k~5 15), 136829#(<= ULTIMATE.start_main_~k~5 16), 136834#(<= ULTIMATE.start_main_~k~5 21), 136835#(<= ULTIMATE.start_main_~k~5 22), 136832#(<= ULTIMATE.start_main_~k~5 19), 136833#(<= ULTIMATE.start_main_~k~5 20), 136838#(<= ULTIMATE.start_main_~k~5 25), 136839#(<= ULTIMATE.start_main_~k~5 26), 136836#(<= ULTIMATE.start_main_~k~5 23), 136837#(<= ULTIMATE.start_main_~k~5 24), 136842#(<= ULTIMATE.start_main_~k~5 29), 136843#(<= ULTIMATE.start_main_~k~5 30), 136840#(<= ULTIMATE.start_main_~k~5 27), 136841#(<= ULTIMATE.start_main_~k~5 28), 136846#(<= ULTIMATE.start_main_~k~5 33), 136847#(<= ULTIMATE.start_main_~k~5 34), 136844#(<= ULTIMATE.start_main_~k~5 31), 136845#(<= ULTIMATE.start_main_~k~5 32), 136850#(<= ULTIMATE.start_main_~k~5 37), 136851#(<= ULTIMATE.start_main_~k~5 38), 136848#(<= ULTIMATE.start_main_~k~5 35), 136849#(<= ULTIMATE.start_main_~k~5 36), 136854#(<= ULTIMATE.start_main_~k~5 41), 136855#(<= ULTIMATE.start_main_~k~5 42), 136852#(<= ULTIMATE.start_main_~k~5 39), 136853#(<= ULTIMATE.start_main_~k~5 40), 136858#(<= ULTIMATE.start_main_~k~5 45), 136859#(<= ULTIMATE.start_main_~k~5 46), 136856#(<= ULTIMATE.start_main_~k~5 43), 136857#(<= ULTIMATE.start_main_~k~5 44), 136862#(<= ULTIMATE.start_main_~k~5 49), 136863#(<= ULTIMATE.start_main_~k~5 50), 136860#(<= ULTIMATE.start_main_~k~5 47), 136861#(<= ULTIMATE.start_main_~k~5 48), 136866#(<= ULTIMATE.start_main_~k~5 53), 136867#(<= ULTIMATE.start_main_~k~5 54), 136864#(<= ULTIMATE.start_main_~k~5 51), 136865#(<= ULTIMATE.start_main_~k~5 52), 136870#(<= ULTIMATE.start_main_~k~5 57), 136871#(<= ULTIMATE.start_main_~k~5 58), 136868#(<= ULTIMATE.start_main_~k~5 55), 136869#(<= ULTIMATE.start_main_~k~5 56), 136874#(<= ULTIMATE.start_main_~k~5 61), 136875#(<= ULTIMATE.start_main_~k~5 62), 136872#(<= ULTIMATE.start_main_~k~5 59), 136873#(<= ULTIMATE.start_main_~k~5 60), 136878#(<= ULTIMATE.start_main_~k~5 65), 136879#(<= ULTIMATE.start_main_~k~5 66), 136876#(<= ULTIMATE.start_main_~k~5 63), 136877#(<= ULTIMATE.start_main_~k~5 64), 136882#(<= ULTIMATE.start_main_~k~5 69), 136883#(<= ULTIMATE.start_main_~k~5 70), 136880#(<= ULTIMATE.start_main_~k~5 67), 136881#(<= ULTIMATE.start_main_~k~5 68), 136886#(<= ULTIMATE.start_main_~k~5 73), 136887#(<= ULTIMATE.start_main_~k~5 74), 136884#(<= ULTIMATE.start_main_~k~5 71), 136885#(<= ULTIMATE.start_main_~k~5 72), 136890#(<= ULTIMATE.start_main_~k~5 77), 136891#(<= ULTIMATE.start_main_~k~5 78), 136888#(<= ULTIMATE.start_main_~k~5 75), 136889#(<= ULTIMATE.start_main_~k~5 76), 136894#(<= ULTIMATE.start_main_~k~5 81), 136895#(<= ULTIMATE.start_main_~k~5 82), 136892#(<= ULTIMATE.start_main_~k~5 79), 136893#(<= ULTIMATE.start_main_~k~5 80), 136898#(<= ULTIMATE.start_main_~k~5 85), 136899#(<= ULTIMATE.start_main_~k~5 86), 136896#(<= ULTIMATE.start_main_~k~5 83), 136897#(<= ULTIMATE.start_main_~k~5 84), 136902#(<= ULTIMATE.start_main_~k~5 89), 136903#(<= ULTIMATE.start_main_~k~5 90), 136900#(<= ULTIMATE.start_main_~k~5 87), 136901#(<= ULTIMATE.start_main_~k~5 88), 136906#(<= ULTIMATE.start_main_~k~5 93), 136907#(<= ULTIMATE.start_main_~k~5 94), 136904#(<= ULTIMATE.start_main_~k~5 91), 136905#(<= ULTIMATE.start_main_~k~5 92), 136910#(<= ULTIMATE.start_main_~k~5 97), 136911#(<= ULTIMATE.start_main_~k~5 98), 136908#(<= ULTIMATE.start_main_~k~5 95), 136909#(<= ULTIMATE.start_main_~k~5 96), 136914#(<= ULTIMATE.start_main_~k~5 101), 136915#(<= ULTIMATE.start_main_~k~5 102), 136912#(<= ULTIMATE.start_main_~k~5 99), 136913#(<= ULTIMATE.start_main_~k~5 100), 136918#(<= ULTIMATE.start_main_~k~5 105), 136919#(<= ULTIMATE.start_main_~k~5 106), 136916#(<= ULTIMATE.start_main_~k~5 103), 136917#(<= ULTIMATE.start_main_~k~5 104), 136922#(<= ULTIMATE.start_main_~k~5 109), 136923#(<= ULTIMATE.start_main_~k~5 110), 136920#(<= ULTIMATE.start_main_~k~5 107), 136921#(<= ULTIMATE.start_main_~k~5 108), 136926#(<= ULTIMATE.start_main_~k~5 113), 136927#(<= ULTIMATE.start_main_~k~5 114), 136924#(<= ULTIMATE.start_main_~k~5 111), 136925#(<= ULTIMATE.start_main_~k~5 112), 136930#(<= ULTIMATE.start_main_~k~5 117), 136931#(<= ULTIMATE.start_main_~k~5 118), 136928#(<= ULTIMATE.start_main_~k~5 115), 136929#(<= ULTIMATE.start_main_~k~5 116), 136934#(<= ULTIMATE.start_main_~k~5 121), 136935#(<= ULTIMATE.start_main_~k~5 122), 136932#(<= ULTIMATE.start_main_~k~5 119), 136933#(<= ULTIMATE.start_main_~k~5 120), 136938#(<= ULTIMATE.start_main_~k~5 125), 136939#(<= ULTIMATE.start_main_~k~5 126), 136936#(<= ULTIMATE.start_main_~k~5 123), 136937#(<= ULTIMATE.start_main_~k~5 124), 136942#(<= ULTIMATE.start_main_~k~5 129), 136943#(<= ULTIMATE.start_main_~k~5 130), 136940#(<= ULTIMATE.start_main_~k~5 127), 136941#(<= ULTIMATE.start_main_~k~5 128), 136946#(<= ULTIMATE.start_main_~k~5 133), 136947#(<= ULTIMATE.start_main_~k~5 134), 136944#(<= ULTIMATE.start_main_~k~5 131), 136945#(<= ULTIMATE.start_main_~k~5 132), 136950#(<= ULTIMATE.start_main_~k~5 137), 136951#(<= ULTIMATE.start_main_~k~5 138), 136948#(<= ULTIMATE.start_main_~k~5 135), 136949#(<= ULTIMATE.start_main_~k~5 136), 136954#(<= ULTIMATE.start_main_~k~5 141), 136955#(<= ULTIMATE.start_main_~k~5 142), 136952#(<= ULTIMATE.start_main_~k~5 139), 136953#(<= ULTIMATE.start_main_~k~5 140), 136958#(<= ULTIMATE.start_main_~k~5 145), 136959#(<= ULTIMATE.start_main_~k~5 146), 136956#(<= ULTIMATE.start_main_~k~5 143), 136957#(<= ULTIMATE.start_main_~k~5 144)] [2018-07-23 13:47:30,805 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 13:47:30,805 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:47:30,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:47:30,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:47:30,810 INFO L87 Difference]: Start difference. First operand 347 states and 347 transitions. Second operand 174 states. [2018-07-23 13:47:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:31,752 INFO L93 Difference]: Finished difference Result 351 states and 351 transitions. [2018-07-23 13:47:31,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:47:31,753 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 346 [2018-07-23 13:47:31,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:31,753 INFO L225 Difference]: With dead ends: 351 [2018-07-23 13:47:31,753 INFO L226 Difference]: Without dead ends: 349 [2018-07-23 13:47:31,757 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 13:47:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-07-23 13:47:31,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2018-07-23 13:47:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-07-23 13:47:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 349 transitions. [2018-07-23 13:47:31,764 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 349 transitions. Word has length 346 [2018-07-23 13:47:31,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:31,764 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 349 transitions. [2018-07-23 13:47:31,764 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:47:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 349 transitions. [2018-07-23 13:47:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-07-23 13:47:31,766 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:31,766 INFO L357 BasicCegarLoop]: trace histogram [173, 172, 1, 1, 1] [2018-07-23 13:47:31,766 INFO L414 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:31,766 INFO L82 PathProgramCache]: Analyzing trace with hash 467555263, now seen corresponding path program 172 times [2018-07-23 13:47:31,767 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:33,493 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 13:47:33,494 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:33,494 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:47:33,494 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:33,494 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 13:47:33,495 INFO L185 omatonBuilderFactory]: Interpolants [138498#(<= ULTIMATE.start_main_~k~5 111), 138499#(<= ULTIMATE.start_main_~k~5 112), 138496#(<= ULTIMATE.start_main_~k~5 109), 138497#(<= ULTIMATE.start_main_~k~5 110), 138502#(<= ULTIMATE.start_main_~k~5 115), 138503#(<= ULTIMATE.start_main_~k~5 116), 138500#(<= ULTIMATE.start_main_~k~5 113), 138501#(<= ULTIMATE.start_main_~k~5 114), 138506#(<= ULTIMATE.start_main_~k~5 119), 138507#(<= ULTIMATE.start_main_~k~5 120), 138504#(<= ULTIMATE.start_main_~k~5 117), 138505#(<= ULTIMATE.start_main_~k~5 118), 138510#(<= ULTIMATE.start_main_~k~5 123), 138511#(<= ULTIMATE.start_main_~k~5 124), 138508#(<= ULTIMATE.start_main_~k~5 121), 138509#(<= ULTIMATE.start_main_~k~5 122), 138514#(<= ULTIMATE.start_main_~k~5 127), 138515#(<= ULTIMATE.start_main_~k~5 128), 138512#(<= ULTIMATE.start_main_~k~5 125), 138513#(<= ULTIMATE.start_main_~k~5 126), 138518#(<= ULTIMATE.start_main_~k~5 131), 138519#(<= ULTIMATE.start_main_~k~5 132), 138516#(<= ULTIMATE.start_main_~k~5 129), 138517#(<= ULTIMATE.start_main_~k~5 130), 138522#(<= ULTIMATE.start_main_~k~5 135), 138523#(<= ULTIMATE.start_main_~k~5 136), 138520#(<= ULTIMATE.start_main_~k~5 133), 138521#(<= ULTIMATE.start_main_~k~5 134), 138526#(<= ULTIMATE.start_main_~k~5 139), 138527#(<= ULTIMATE.start_main_~k~5 140), 138524#(<= ULTIMATE.start_main_~k~5 137), 138525#(<= ULTIMATE.start_main_~k~5 138), 138530#(<= ULTIMATE.start_main_~k~5 143), 138531#(<= ULTIMATE.start_main_~k~5 144), 138528#(<= ULTIMATE.start_main_~k~5 141), 138529#(<= ULTIMATE.start_main_~k~5 142), 138534#(<= ULTIMATE.start_main_~k~5 147), 138535#(<= ULTIMATE.start_main_~k~5 148), 138532#(<= ULTIMATE.start_main_~k~5 145), 138533#(<= ULTIMATE.start_main_~k~5 146), 138538#(<= ULTIMATE.start_main_~k~5 151), 138539#(<= ULTIMATE.start_main_~k~5 152), 138536#(<= ULTIMATE.start_main_~k~5 149), 138537#(<= ULTIMATE.start_main_~k~5 150), 138542#(<= ULTIMATE.start_main_~k~5 155), 138543#(<= ULTIMATE.start_main_~k~5 156), 138540#(<= ULTIMATE.start_main_~k~5 153), 138541#(<= ULTIMATE.start_main_~k~5 154), 138546#(<= ULTIMATE.start_main_~k~5 159), 138547#(<= ULTIMATE.start_main_~k~5 160), 138544#(<= ULTIMATE.start_main_~k~5 157), 138545#(<= ULTIMATE.start_main_~k~5 158), 138550#(<= ULTIMATE.start_main_~k~5 163), 138551#(<= ULTIMATE.start_main_~k~5 164), 138548#(<= ULTIMATE.start_main_~k~5 161), 138549#(<= ULTIMATE.start_main_~k~5 162), 138554#(<= ULTIMATE.start_main_~k~5 167), 138555#(<= ULTIMATE.start_main_~k~5 168), 138552#(<= ULTIMATE.start_main_~k~5 165), 138553#(<= ULTIMATE.start_main_~k~5 166), 138558#(<= ULTIMATE.start_main_~k~5 171), 138559#(<= ULTIMATE.start_main_~k~5 172), 138556#(<= ULTIMATE.start_main_~k~5 169), 138557#(<= ULTIMATE.start_main_~k~5 170), 138386#false, 138387#(<= ULTIMATE.start_main_~k~5 0), 138385#true, 138390#(<= ULTIMATE.start_main_~k~5 3), 138391#(<= ULTIMATE.start_main_~k~5 4), 138388#(<= ULTIMATE.start_main_~k~5 1), 138389#(<= ULTIMATE.start_main_~k~5 2), 138394#(<= ULTIMATE.start_main_~k~5 7), 138395#(<= ULTIMATE.start_main_~k~5 8), 138392#(<= ULTIMATE.start_main_~k~5 5), 138393#(<= ULTIMATE.start_main_~k~5 6), 138398#(<= ULTIMATE.start_main_~k~5 11), 138399#(<= ULTIMATE.start_main_~k~5 12), 138396#(<= ULTIMATE.start_main_~k~5 9), 138397#(<= ULTIMATE.start_main_~k~5 10), 138402#(<= ULTIMATE.start_main_~k~5 15), 138403#(<= ULTIMATE.start_main_~k~5 16), 138400#(<= ULTIMATE.start_main_~k~5 13), 138401#(<= ULTIMATE.start_main_~k~5 14), 138406#(<= ULTIMATE.start_main_~k~5 19), 138407#(<= ULTIMATE.start_main_~k~5 20), 138404#(<= ULTIMATE.start_main_~k~5 17), 138405#(<= ULTIMATE.start_main_~k~5 18), 138410#(<= ULTIMATE.start_main_~k~5 23), 138411#(<= ULTIMATE.start_main_~k~5 24), 138408#(<= ULTIMATE.start_main_~k~5 21), 138409#(<= ULTIMATE.start_main_~k~5 22), 138414#(<= ULTIMATE.start_main_~k~5 27), 138415#(<= ULTIMATE.start_main_~k~5 28), 138412#(<= ULTIMATE.start_main_~k~5 25), 138413#(<= ULTIMATE.start_main_~k~5 26), 138418#(<= ULTIMATE.start_main_~k~5 31), 138419#(<= ULTIMATE.start_main_~k~5 32), 138416#(<= ULTIMATE.start_main_~k~5 29), 138417#(<= ULTIMATE.start_main_~k~5 30), 138422#(<= ULTIMATE.start_main_~k~5 35), 138423#(<= ULTIMATE.start_main_~k~5 36), 138420#(<= ULTIMATE.start_main_~k~5 33), 138421#(<= ULTIMATE.start_main_~k~5 34), 138426#(<= ULTIMATE.start_main_~k~5 39), 138427#(<= ULTIMATE.start_main_~k~5 40), 138424#(<= ULTIMATE.start_main_~k~5 37), 138425#(<= ULTIMATE.start_main_~k~5 38), 138430#(<= ULTIMATE.start_main_~k~5 43), 138431#(<= ULTIMATE.start_main_~k~5 44), 138428#(<= ULTIMATE.start_main_~k~5 41), 138429#(<= ULTIMATE.start_main_~k~5 42), 138434#(<= ULTIMATE.start_main_~k~5 47), 138435#(<= ULTIMATE.start_main_~k~5 48), 138432#(<= ULTIMATE.start_main_~k~5 45), 138433#(<= ULTIMATE.start_main_~k~5 46), 138438#(<= ULTIMATE.start_main_~k~5 51), 138439#(<= ULTIMATE.start_main_~k~5 52), 138436#(<= ULTIMATE.start_main_~k~5 49), 138437#(<= ULTIMATE.start_main_~k~5 50), 138442#(<= ULTIMATE.start_main_~k~5 55), 138443#(<= ULTIMATE.start_main_~k~5 56), 138440#(<= ULTIMATE.start_main_~k~5 53), 138441#(<= ULTIMATE.start_main_~k~5 54), 138446#(<= ULTIMATE.start_main_~k~5 59), 138447#(<= ULTIMATE.start_main_~k~5 60), 138444#(<= ULTIMATE.start_main_~k~5 57), 138445#(<= ULTIMATE.start_main_~k~5 58), 138450#(<= ULTIMATE.start_main_~k~5 63), 138451#(<= ULTIMATE.start_main_~k~5 64), 138448#(<= ULTIMATE.start_main_~k~5 61), 138449#(<= ULTIMATE.start_main_~k~5 62), 138454#(<= ULTIMATE.start_main_~k~5 67), 138455#(<= ULTIMATE.start_main_~k~5 68), 138452#(<= ULTIMATE.start_main_~k~5 65), 138453#(<= ULTIMATE.start_main_~k~5 66), 138458#(<= ULTIMATE.start_main_~k~5 71), 138459#(<= ULTIMATE.start_main_~k~5 72), 138456#(<= ULTIMATE.start_main_~k~5 69), 138457#(<= ULTIMATE.start_main_~k~5 70), 138462#(<= ULTIMATE.start_main_~k~5 75), 138463#(<= ULTIMATE.start_main_~k~5 76), 138460#(<= ULTIMATE.start_main_~k~5 73), 138461#(<= ULTIMATE.start_main_~k~5 74), 138466#(<= ULTIMATE.start_main_~k~5 79), 138467#(<= ULTIMATE.start_main_~k~5 80), 138464#(<= ULTIMATE.start_main_~k~5 77), 138465#(<= ULTIMATE.start_main_~k~5 78), 138470#(<= ULTIMATE.start_main_~k~5 83), 138471#(<= ULTIMATE.start_main_~k~5 84), 138468#(<= ULTIMATE.start_main_~k~5 81), 138469#(<= ULTIMATE.start_main_~k~5 82), 138474#(<= ULTIMATE.start_main_~k~5 87), 138475#(<= ULTIMATE.start_main_~k~5 88), 138472#(<= ULTIMATE.start_main_~k~5 85), 138473#(<= ULTIMATE.start_main_~k~5 86), 138478#(<= ULTIMATE.start_main_~k~5 91), 138479#(<= ULTIMATE.start_main_~k~5 92), 138476#(<= ULTIMATE.start_main_~k~5 89), 138477#(<= ULTIMATE.start_main_~k~5 90), 138482#(<= ULTIMATE.start_main_~k~5 95), 138483#(<= ULTIMATE.start_main_~k~5 96), 138480#(<= ULTIMATE.start_main_~k~5 93), 138481#(<= ULTIMATE.start_main_~k~5 94), 138486#(<= ULTIMATE.start_main_~k~5 99), 138487#(<= ULTIMATE.start_main_~k~5 100), 138484#(<= ULTIMATE.start_main_~k~5 97), 138485#(<= ULTIMATE.start_main_~k~5 98), 138490#(<= ULTIMATE.start_main_~k~5 103), 138491#(<= ULTIMATE.start_main_~k~5 104), 138488#(<= ULTIMATE.start_main_~k~5 101), 138489#(<= ULTIMATE.start_main_~k~5 102), 138494#(<= ULTIMATE.start_main_~k~5 107), 138495#(<= ULTIMATE.start_main_~k~5 108), 138492#(<= ULTIMATE.start_main_~k~5 105), 138493#(<= ULTIMATE.start_main_~k~5 106)] [2018-07-23 13:47:33,496 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 13:47:33,496 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:47:33,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:47:33,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:47:33,501 INFO L87 Difference]: Start difference. First operand 349 states and 349 transitions. Second operand 175 states. [2018-07-23 13:47:33,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:33,929 INFO L93 Difference]: Finished difference Result 353 states and 353 transitions. [2018-07-23 13:47:33,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:47:33,929 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 348 [2018-07-23 13:47:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:33,930 INFO L225 Difference]: With dead ends: 353 [2018-07-23 13:47:33,930 INFO L226 Difference]: Without dead ends: 351 [2018-07-23 13:47:33,933 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:47:33,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-07-23 13:47:33,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2018-07-23 13:47:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-07-23 13:47:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 351 transitions. [2018-07-23 13:47:33,937 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 351 transitions. Word has length 348 [2018-07-23 13:47:33,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:33,937 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 351 transitions. [2018-07-23 13:47:33,938 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:47:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 351 transitions. [2018-07-23 13:47:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-07-23 13:47:33,939 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:33,939 INFO L357 BasicCegarLoop]: trace histogram [174, 173, 1, 1, 1] [2018-07-23 13:47:33,939 INFO L414 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:33,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1650906247, now seen corresponding path program 173 times [2018-07-23 13:47:33,939 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:35,628 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 13:47:35,628 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:35,628 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:47:35,628 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:35,629 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 13:47:35,629 INFO L185 omatonBuilderFactory]: Interpolants [140034#(<= ULTIMATE.start_main_~k~5 64), 140035#(<= ULTIMATE.start_main_~k~5 65), 140032#(<= ULTIMATE.start_main_~k~5 62), 140033#(<= ULTIMATE.start_main_~k~5 63), 140038#(<= ULTIMATE.start_main_~k~5 68), 140039#(<= ULTIMATE.start_main_~k~5 69), 140036#(<= ULTIMATE.start_main_~k~5 66), 140037#(<= ULTIMATE.start_main_~k~5 67), 140042#(<= ULTIMATE.start_main_~k~5 72), 140043#(<= ULTIMATE.start_main_~k~5 73), 140040#(<= ULTIMATE.start_main_~k~5 70), 140041#(<= ULTIMATE.start_main_~k~5 71), 140046#(<= ULTIMATE.start_main_~k~5 76), 140047#(<= ULTIMATE.start_main_~k~5 77), 140044#(<= ULTIMATE.start_main_~k~5 74), 140045#(<= ULTIMATE.start_main_~k~5 75), 140050#(<= ULTIMATE.start_main_~k~5 80), 140051#(<= ULTIMATE.start_main_~k~5 81), 140048#(<= ULTIMATE.start_main_~k~5 78), 140049#(<= ULTIMATE.start_main_~k~5 79), 140054#(<= ULTIMATE.start_main_~k~5 84), 140055#(<= ULTIMATE.start_main_~k~5 85), 140052#(<= ULTIMATE.start_main_~k~5 82), 140053#(<= ULTIMATE.start_main_~k~5 83), 140058#(<= ULTIMATE.start_main_~k~5 88), 140059#(<= ULTIMATE.start_main_~k~5 89), 140056#(<= ULTIMATE.start_main_~k~5 86), 140057#(<= ULTIMATE.start_main_~k~5 87), 140062#(<= ULTIMATE.start_main_~k~5 92), 140063#(<= ULTIMATE.start_main_~k~5 93), 140060#(<= ULTIMATE.start_main_~k~5 90), 140061#(<= ULTIMATE.start_main_~k~5 91), 140066#(<= ULTIMATE.start_main_~k~5 96), 140067#(<= ULTIMATE.start_main_~k~5 97), 140064#(<= ULTIMATE.start_main_~k~5 94), 140065#(<= ULTIMATE.start_main_~k~5 95), 140070#(<= ULTIMATE.start_main_~k~5 100), 140071#(<= ULTIMATE.start_main_~k~5 101), 140068#(<= ULTIMATE.start_main_~k~5 98), 140069#(<= ULTIMATE.start_main_~k~5 99), 140074#(<= ULTIMATE.start_main_~k~5 104), 140075#(<= ULTIMATE.start_main_~k~5 105), 140072#(<= ULTIMATE.start_main_~k~5 102), 140073#(<= ULTIMATE.start_main_~k~5 103), 140078#(<= ULTIMATE.start_main_~k~5 108), 140079#(<= ULTIMATE.start_main_~k~5 109), 140076#(<= ULTIMATE.start_main_~k~5 106), 140077#(<= ULTIMATE.start_main_~k~5 107), 140082#(<= ULTIMATE.start_main_~k~5 112), 140083#(<= ULTIMATE.start_main_~k~5 113), 140080#(<= ULTIMATE.start_main_~k~5 110), 140081#(<= ULTIMATE.start_main_~k~5 111), 140086#(<= ULTIMATE.start_main_~k~5 116), 140087#(<= ULTIMATE.start_main_~k~5 117), 140084#(<= ULTIMATE.start_main_~k~5 114), 140085#(<= ULTIMATE.start_main_~k~5 115), 140090#(<= ULTIMATE.start_main_~k~5 120), 140091#(<= ULTIMATE.start_main_~k~5 121), 140088#(<= ULTIMATE.start_main_~k~5 118), 140089#(<= ULTIMATE.start_main_~k~5 119), 140094#(<= ULTIMATE.start_main_~k~5 124), 140095#(<= ULTIMATE.start_main_~k~5 125), 140092#(<= ULTIMATE.start_main_~k~5 122), 140093#(<= ULTIMATE.start_main_~k~5 123), 140098#(<= ULTIMATE.start_main_~k~5 128), 140099#(<= ULTIMATE.start_main_~k~5 129), 140096#(<= ULTIMATE.start_main_~k~5 126), 140097#(<= ULTIMATE.start_main_~k~5 127), 140102#(<= ULTIMATE.start_main_~k~5 132), 140103#(<= ULTIMATE.start_main_~k~5 133), 140100#(<= ULTIMATE.start_main_~k~5 130), 140101#(<= ULTIMATE.start_main_~k~5 131), 140106#(<= ULTIMATE.start_main_~k~5 136), 140107#(<= ULTIMATE.start_main_~k~5 137), 140104#(<= ULTIMATE.start_main_~k~5 134), 140105#(<= ULTIMATE.start_main_~k~5 135), 140110#(<= ULTIMATE.start_main_~k~5 140), 140111#(<= ULTIMATE.start_main_~k~5 141), 140108#(<= ULTIMATE.start_main_~k~5 138), 140109#(<= ULTIMATE.start_main_~k~5 139), 140114#(<= ULTIMATE.start_main_~k~5 144), 140115#(<= ULTIMATE.start_main_~k~5 145), 140112#(<= ULTIMATE.start_main_~k~5 142), 140113#(<= ULTIMATE.start_main_~k~5 143), 140118#(<= ULTIMATE.start_main_~k~5 148), 140119#(<= ULTIMATE.start_main_~k~5 149), 140116#(<= ULTIMATE.start_main_~k~5 146), 140117#(<= ULTIMATE.start_main_~k~5 147), 140122#(<= ULTIMATE.start_main_~k~5 152), 140123#(<= ULTIMATE.start_main_~k~5 153), 140120#(<= ULTIMATE.start_main_~k~5 150), 140121#(<= ULTIMATE.start_main_~k~5 151), 140126#(<= ULTIMATE.start_main_~k~5 156), 140127#(<= ULTIMATE.start_main_~k~5 157), 140124#(<= ULTIMATE.start_main_~k~5 154), 140125#(<= ULTIMATE.start_main_~k~5 155), 140130#(<= ULTIMATE.start_main_~k~5 160), 140131#(<= ULTIMATE.start_main_~k~5 161), 140128#(<= ULTIMATE.start_main_~k~5 158), 140129#(<= ULTIMATE.start_main_~k~5 159), 140134#(<= ULTIMATE.start_main_~k~5 164), 140135#(<= ULTIMATE.start_main_~k~5 165), 140132#(<= ULTIMATE.start_main_~k~5 162), 140133#(<= ULTIMATE.start_main_~k~5 163), 140138#(<= ULTIMATE.start_main_~k~5 168), 140139#(<= ULTIMATE.start_main_~k~5 169), 140136#(<= ULTIMATE.start_main_~k~5 166), 140137#(<= ULTIMATE.start_main_~k~5 167), 140142#(<= ULTIMATE.start_main_~k~5 172), 140143#(<= ULTIMATE.start_main_~k~5 173), 140140#(<= ULTIMATE.start_main_~k~5 170), 140141#(<= ULTIMATE.start_main_~k~5 171), 139970#(<= ULTIMATE.start_main_~k~5 0), 139971#(<= ULTIMATE.start_main_~k~5 1), 139968#true, 139969#false, 139974#(<= ULTIMATE.start_main_~k~5 4), 139975#(<= ULTIMATE.start_main_~k~5 5), 139972#(<= ULTIMATE.start_main_~k~5 2), 139973#(<= ULTIMATE.start_main_~k~5 3), 139978#(<= ULTIMATE.start_main_~k~5 8), 139979#(<= ULTIMATE.start_main_~k~5 9), 139976#(<= ULTIMATE.start_main_~k~5 6), 139977#(<= ULTIMATE.start_main_~k~5 7), 139982#(<= ULTIMATE.start_main_~k~5 12), 139983#(<= ULTIMATE.start_main_~k~5 13), 139980#(<= ULTIMATE.start_main_~k~5 10), 139981#(<= ULTIMATE.start_main_~k~5 11), 139986#(<= ULTIMATE.start_main_~k~5 16), 139987#(<= ULTIMATE.start_main_~k~5 17), 139984#(<= ULTIMATE.start_main_~k~5 14), 139985#(<= ULTIMATE.start_main_~k~5 15), 139990#(<= ULTIMATE.start_main_~k~5 20), 139991#(<= ULTIMATE.start_main_~k~5 21), 139988#(<= ULTIMATE.start_main_~k~5 18), 139989#(<= ULTIMATE.start_main_~k~5 19), 139994#(<= ULTIMATE.start_main_~k~5 24), 139995#(<= ULTIMATE.start_main_~k~5 25), 139992#(<= ULTIMATE.start_main_~k~5 22), 139993#(<= ULTIMATE.start_main_~k~5 23), 139998#(<= ULTIMATE.start_main_~k~5 28), 139999#(<= ULTIMATE.start_main_~k~5 29), 139996#(<= ULTIMATE.start_main_~k~5 26), 139997#(<= ULTIMATE.start_main_~k~5 27), 140002#(<= ULTIMATE.start_main_~k~5 32), 140003#(<= ULTIMATE.start_main_~k~5 33), 140000#(<= ULTIMATE.start_main_~k~5 30), 140001#(<= ULTIMATE.start_main_~k~5 31), 140006#(<= ULTIMATE.start_main_~k~5 36), 140007#(<= ULTIMATE.start_main_~k~5 37), 140004#(<= ULTIMATE.start_main_~k~5 34), 140005#(<= ULTIMATE.start_main_~k~5 35), 140010#(<= ULTIMATE.start_main_~k~5 40), 140011#(<= ULTIMATE.start_main_~k~5 41), 140008#(<= ULTIMATE.start_main_~k~5 38), 140009#(<= ULTIMATE.start_main_~k~5 39), 140014#(<= ULTIMATE.start_main_~k~5 44), 140015#(<= ULTIMATE.start_main_~k~5 45), 140012#(<= ULTIMATE.start_main_~k~5 42), 140013#(<= ULTIMATE.start_main_~k~5 43), 140018#(<= ULTIMATE.start_main_~k~5 48), 140019#(<= ULTIMATE.start_main_~k~5 49), 140016#(<= ULTIMATE.start_main_~k~5 46), 140017#(<= ULTIMATE.start_main_~k~5 47), 140022#(<= ULTIMATE.start_main_~k~5 52), 140023#(<= ULTIMATE.start_main_~k~5 53), 140020#(<= ULTIMATE.start_main_~k~5 50), 140021#(<= ULTIMATE.start_main_~k~5 51), 140026#(<= ULTIMATE.start_main_~k~5 56), 140027#(<= ULTIMATE.start_main_~k~5 57), 140024#(<= ULTIMATE.start_main_~k~5 54), 140025#(<= ULTIMATE.start_main_~k~5 55), 140030#(<= ULTIMATE.start_main_~k~5 60), 140031#(<= ULTIMATE.start_main_~k~5 61), 140028#(<= ULTIMATE.start_main_~k~5 58), 140029#(<= ULTIMATE.start_main_~k~5 59)] [2018-07-23 13:47:35,630 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 13:47:35,630 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:47:35,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:47:35,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:47:35,634 INFO L87 Difference]: Start difference. First operand 351 states and 351 transitions. Second operand 176 states. [2018-07-23 13:47:36,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:36,333 INFO L93 Difference]: Finished difference Result 355 states and 355 transitions. [2018-07-23 13:47:36,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:47:36,333 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 350 [2018-07-23 13:47:36,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:36,334 INFO L225 Difference]: With dead ends: 355 [2018-07-23 13:47:36,334 INFO L226 Difference]: Without dead ends: 353 [2018-07-23 13:47:36,336 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:47:36,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-07-23 13:47:36,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2018-07-23 13:47:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-07-23 13:47:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 353 transitions. [2018-07-23 13:47:36,340 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 353 transitions. Word has length 350 [2018-07-23 13:47:36,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:36,341 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 353 transitions. [2018-07-23 13:47:36,341 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:47:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 353 transitions. [2018-07-23 13:47:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-07-23 13:47:36,342 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:36,342 INFO L357 BasicCegarLoop]: trace histogram [175, 174, 1, 1, 1] [2018-07-23 13:47:36,342 INFO L414 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:36,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1677919053, now seen corresponding path program 174 times [2018-07-23 13:47:36,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:38,069 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 13:47:38,070 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:38,070 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:47:38,070 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:38,070 INFO L185 omatonBuilderFactory]: Interpolants [141570#(<= ULTIMATE.start_main_~k~5 8), 141571#(<= ULTIMATE.start_main_~k~5 9), 141568#(<= ULTIMATE.start_main_~k~5 6), 141569#(<= ULTIMATE.start_main_~k~5 7), 141574#(<= ULTIMATE.start_main_~k~5 12), 141575#(<= ULTIMATE.start_main_~k~5 13), 141572#(<= ULTIMATE.start_main_~k~5 10), 141573#(<= ULTIMATE.start_main_~k~5 11), 141578#(<= ULTIMATE.start_main_~k~5 16), 141579#(<= ULTIMATE.start_main_~k~5 17), 141576#(<= ULTIMATE.start_main_~k~5 14), 141577#(<= ULTIMATE.start_main_~k~5 15), 141582#(<= ULTIMATE.start_main_~k~5 20), 141583#(<= ULTIMATE.start_main_~k~5 21), 141580#(<= ULTIMATE.start_main_~k~5 18), 141581#(<= ULTIMATE.start_main_~k~5 19), 141586#(<= ULTIMATE.start_main_~k~5 24), 141587#(<= ULTIMATE.start_main_~k~5 25), 141584#(<= ULTIMATE.start_main_~k~5 22), 141585#(<= ULTIMATE.start_main_~k~5 23), 141590#(<= ULTIMATE.start_main_~k~5 28), 141591#(<= ULTIMATE.start_main_~k~5 29), 141588#(<= ULTIMATE.start_main_~k~5 26), 141589#(<= ULTIMATE.start_main_~k~5 27), 141594#(<= ULTIMATE.start_main_~k~5 32), 141595#(<= ULTIMATE.start_main_~k~5 33), 141592#(<= ULTIMATE.start_main_~k~5 30), 141593#(<= ULTIMATE.start_main_~k~5 31), 141598#(<= ULTIMATE.start_main_~k~5 36), 141599#(<= ULTIMATE.start_main_~k~5 37), 141596#(<= ULTIMATE.start_main_~k~5 34), 141597#(<= ULTIMATE.start_main_~k~5 35), 141602#(<= ULTIMATE.start_main_~k~5 40), 141603#(<= ULTIMATE.start_main_~k~5 41), 141600#(<= ULTIMATE.start_main_~k~5 38), 141601#(<= ULTIMATE.start_main_~k~5 39), 141606#(<= ULTIMATE.start_main_~k~5 44), 141607#(<= ULTIMATE.start_main_~k~5 45), 141604#(<= ULTIMATE.start_main_~k~5 42), 141605#(<= ULTIMATE.start_main_~k~5 43), 141610#(<= ULTIMATE.start_main_~k~5 48), 141611#(<= ULTIMATE.start_main_~k~5 49), 141608#(<= ULTIMATE.start_main_~k~5 46), 141609#(<= ULTIMATE.start_main_~k~5 47), 141614#(<= ULTIMATE.start_main_~k~5 52), 141615#(<= ULTIMATE.start_main_~k~5 53), 141612#(<= ULTIMATE.start_main_~k~5 50), 141613#(<= ULTIMATE.start_main_~k~5 51), 141618#(<= ULTIMATE.start_main_~k~5 56), 141619#(<= ULTIMATE.start_main_~k~5 57), 141616#(<= ULTIMATE.start_main_~k~5 54), 141617#(<= ULTIMATE.start_main_~k~5 55), 141622#(<= ULTIMATE.start_main_~k~5 60), 141623#(<= ULTIMATE.start_main_~k~5 61), 141620#(<= ULTIMATE.start_main_~k~5 58), 141621#(<= ULTIMATE.start_main_~k~5 59), 141626#(<= ULTIMATE.start_main_~k~5 64), 141627#(<= ULTIMATE.start_main_~k~5 65), 141624#(<= ULTIMATE.start_main_~k~5 62), 141625#(<= ULTIMATE.start_main_~k~5 63), 141630#(<= ULTIMATE.start_main_~k~5 68), 141631#(<= ULTIMATE.start_main_~k~5 69), 141628#(<= ULTIMATE.start_main_~k~5 66), 141629#(<= ULTIMATE.start_main_~k~5 67), 141634#(<= ULTIMATE.start_main_~k~5 72), 141635#(<= ULTIMATE.start_main_~k~5 73), 141632#(<= ULTIMATE.start_main_~k~5 70), 141633#(<= ULTIMATE.start_main_~k~5 71), 141638#(<= ULTIMATE.start_main_~k~5 76), 141639#(<= ULTIMATE.start_main_~k~5 77), 141636#(<= ULTIMATE.start_main_~k~5 74), 141637#(<= ULTIMATE.start_main_~k~5 75), 141642#(<= ULTIMATE.start_main_~k~5 80), 141643#(<= ULTIMATE.start_main_~k~5 81), 141640#(<= ULTIMATE.start_main_~k~5 78), 141641#(<= ULTIMATE.start_main_~k~5 79), 141646#(<= ULTIMATE.start_main_~k~5 84), 141647#(<= ULTIMATE.start_main_~k~5 85), 141644#(<= ULTIMATE.start_main_~k~5 82), 141645#(<= ULTIMATE.start_main_~k~5 83), 141650#(<= ULTIMATE.start_main_~k~5 88), 141651#(<= ULTIMATE.start_main_~k~5 89), 141648#(<= ULTIMATE.start_main_~k~5 86), 141649#(<= ULTIMATE.start_main_~k~5 87), 141654#(<= ULTIMATE.start_main_~k~5 92), 141655#(<= ULTIMATE.start_main_~k~5 93), 141652#(<= ULTIMATE.start_main_~k~5 90), 141653#(<= ULTIMATE.start_main_~k~5 91), 141658#(<= ULTIMATE.start_main_~k~5 96), 141659#(<= ULTIMATE.start_main_~k~5 97), 141656#(<= ULTIMATE.start_main_~k~5 94), 141657#(<= ULTIMATE.start_main_~k~5 95), 141662#(<= ULTIMATE.start_main_~k~5 100), 141663#(<= ULTIMATE.start_main_~k~5 101), 141660#(<= ULTIMATE.start_main_~k~5 98), 141661#(<= ULTIMATE.start_main_~k~5 99), 141666#(<= ULTIMATE.start_main_~k~5 104), 141667#(<= ULTIMATE.start_main_~k~5 105), 141664#(<= ULTIMATE.start_main_~k~5 102), 141665#(<= ULTIMATE.start_main_~k~5 103), 141670#(<= ULTIMATE.start_main_~k~5 108), 141671#(<= ULTIMATE.start_main_~k~5 109), 141668#(<= ULTIMATE.start_main_~k~5 106), 141669#(<= ULTIMATE.start_main_~k~5 107), 141674#(<= ULTIMATE.start_main_~k~5 112), 141675#(<= ULTIMATE.start_main_~k~5 113), 141672#(<= ULTIMATE.start_main_~k~5 110), 141673#(<= ULTIMATE.start_main_~k~5 111), 141678#(<= ULTIMATE.start_main_~k~5 116), 141679#(<= ULTIMATE.start_main_~k~5 117), 141676#(<= ULTIMATE.start_main_~k~5 114), 141677#(<= ULTIMATE.start_main_~k~5 115), 141682#(<= ULTIMATE.start_main_~k~5 120), 141683#(<= ULTIMATE.start_main_~k~5 121), 141680#(<= ULTIMATE.start_main_~k~5 118), 141681#(<= ULTIMATE.start_main_~k~5 119), 141686#(<= ULTIMATE.start_main_~k~5 124), 141687#(<= ULTIMATE.start_main_~k~5 125), 141684#(<= ULTIMATE.start_main_~k~5 122), 141685#(<= ULTIMATE.start_main_~k~5 123), 141690#(<= ULTIMATE.start_main_~k~5 128), 141691#(<= ULTIMATE.start_main_~k~5 129), 141688#(<= ULTIMATE.start_main_~k~5 126), 141689#(<= ULTIMATE.start_main_~k~5 127), 141694#(<= ULTIMATE.start_main_~k~5 132), 141695#(<= ULTIMATE.start_main_~k~5 133), 141692#(<= ULTIMATE.start_main_~k~5 130), 141693#(<= ULTIMATE.start_main_~k~5 131), 141698#(<= ULTIMATE.start_main_~k~5 136), 141699#(<= ULTIMATE.start_main_~k~5 137), 141696#(<= ULTIMATE.start_main_~k~5 134), 141697#(<= ULTIMATE.start_main_~k~5 135), 141702#(<= ULTIMATE.start_main_~k~5 140), 141703#(<= ULTIMATE.start_main_~k~5 141), 141700#(<= ULTIMATE.start_main_~k~5 138), 141701#(<= ULTIMATE.start_main_~k~5 139), 141706#(<= ULTIMATE.start_main_~k~5 144), 141707#(<= ULTIMATE.start_main_~k~5 145), 141704#(<= ULTIMATE.start_main_~k~5 142), 141705#(<= ULTIMATE.start_main_~k~5 143), 141710#(<= ULTIMATE.start_main_~k~5 148), 141711#(<= ULTIMATE.start_main_~k~5 149), 141708#(<= ULTIMATE.start_main_~k~5 146), 141709#(<= ULTIMATE.start_main_~k~5 147), 141714#(<= ULTIMATE.start_main_~k~5 152), 141715#(<= ULTIMATE.start_main_~k~5 153), 141712#(<= ULTIMATE.start_main_~k~5 150), 141713#(<= ULTIMATE.start_main_~k~5 151), 141718#(<= ULTIMATE.start_main_~k~5 156), 141719#(<= ULTIMATE.start_main_~k~5 157), 141716#(<= ULTIMATE.start_main_~k~5 154), 141717#(<= ULTIMATE.start_main_~k~5 155), 141722#(<= ULTIMATE.start_main_~k~5 160), 141723#(<= ULTIMATE.start_main_~k~5 161), 141720#(<= ULTIMATE.start_main_~k~5 158), 141721#(<= ULTIMATE.start_main_~k~5 159), 141726#(<= ULTIMATE.start_main_~k~5 164), 141727#(<= ULTIMATE.start_main_~k~5 165), 141724#(<= ULTIMATE.start_main_~k~5 162), 141725#(<= ULTIMATE.start_main_~k~5 163), 141730#(<= ULTIMATE.start_main_~k~5 168), 141731#(<= ULTIMATE.start_main_~k~5 169), 141728#(<= ULTIMATE.start_main_~k~5 166), 141729#(<= ULTIMATE.start_main_~k~5 167), 141734#(<= ULTIMATE.start_main_~k~5 172), 141735#(<= ULTIMATE.start_main_~k~5 173), 141732#(<= ULTIMATE.start_main_~k~5 170), 141733#(<= ULTIMATE.start_main_~k~5 171), 141736#(<= ULTIMATE.start_main_~k~5 174), 141562#(<= ULTIMATE.start_main_~k~5 0), 141563#(<= ULTIMATE.start_main_~k~5 1), 141560#true, 141561#false, 141566#(<= ULTIMATE.start_main_~k~5 4), 141567#(<= ULTIMATE.start_main_~k~5 5), 141564#(<= ULTIMATE.start_main_~k~5 2), 141565#(<= ULTIMATE.start_main_~k~5 3)] [2018-07-23 13:47:38,072 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 13:47:38,072 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:47:38,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:47:38,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:47:38,074 INFO L87 Difference]: Start difference. First operand 353 states and 353 transitions. Second operand 177 states. [2018-07-23 13:47:39,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:39,372 INFO L93 Difference]: Finished difference Result 357 states and 357 transitions. [2018-07-23 13:47:39,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:47:39,372 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 352 [2018-07-23 13:47:39,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:39,373 INFO L225 Difference]: With dead ends: 357 [2018-07-23 13:47:39,373 INFO L226 Difference]: Without dead ends: 355 [2018-07-23 13:47:39,374 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:47:39,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-07-23 13:47:39,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-07-23 13:47:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-07-23 13:47:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 355 transitions. [2018-07-23 13:47:39,377 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 355 transitions. Word has length 352 [2018-07-23 13:47:39,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:39,377 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 355 transitions. [2018-07-23 13:47:39,378 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:47:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 355 transitions. [2018-07-23 13:47:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-07-23 13:47:39,379 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:39,379 INFO L357 BasicCegarLoop]: trace histogram [176, 175, 1, 1, 1] [2018-07-23 13:47:39,379 INFO L414 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:39,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1867421843, now seen corresponding path program 175 times [2018-07-23 13:47:39,379 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:41,079 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 13:47:41,080 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:41,080 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:47:41,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:41,080 INFO L185 omatonBuilderFactory]: Interpolants [143162#false, 143163#(<= ULTIMATE.start_main_~k~5 0), 143161#true, 143166#(<= ULTIMATE.start_main_~k~5 3), 143167#(<= ULTIMATE.start_main_~k~5 4), 143164#(<= ULTIMATE.start_main_~k~5 1), 143165#(<= ULTIMATE.start_main_~k~5 2), 143170#(<= ULTIMATE.start_main_~k~5 7), 143171#(<= ULTIMATE.start_main_~k~5 8), 143168#(<= ULTIMATE.start_main_~k~5 5), 143169#(<= ULTIMATE.start_main_~k~5 6), 143174#(<= ULTIMATE.start_main_~k~5 11), 143175#(<= ULTIMATE.start_main_~k~5 12), 143172#(<= ULTIMATE.start_main_~k~5 9), 143173#(<= ULTIMATE.start_main_~k~5 10), 143178#(<= ULTIMATE.start_main_~k~5 15), 143179#(<= ULTIMATE.start_main_~k~5 16), 143176#(<= ULTIMATE.start_main_~k~5 13), 143177#(<= ULTIMATE.start_main_~k~5 14), 143182#(<= ULTIMATE.start_main_~k~5 19), 143183#(<= ULTIMATE.start_main_~k~5 20), 143180#(<= ULTIMATE.start_main_~k~5 17), 143181#(<= ULTIMATE.start_main_~k~5 18), 143186#(<= ULTIMATE.start_main_~k~5 23), 143187#(<= ULTIMATE.start_main_~k~5 24), 143184#(<= ULTIMATE.start_main_~k~5 21), 143185#(<= ULTIMATE.start_main_~k~5 22), 143190#(<= ULTIMATE.start_main_~k~5 27), 143191#(<= ULTIMATE.start_main_~k~5 28), 143188#(<= ULTIMATE.start_main_~k~5 25), 143189#(<= ULTIMATE.start_main_~k~5 26), 143194#(<= ULTIMATE.start_main_~k~5 31), 143195#(<= ULTIMATE.start_main_~k~5 32), 143192#(<= ULTIMATE.start_main_~k~5 29), 143193#(<= ULTIMATE.start_main_~k~5 30), 143198#(<= ULTIMATE.start_main_~k~5 35), 143199#(<= ULTIMATE.start_main_~k~5 36), 143196#(<= ULTIMATE.start_main_~k~5 33), 143197#(<= ULTIMATE.start_main_~k~5 34), 143202#(<= ULTIMATE.start_main_~k~5 39), 143203#(<= ULTIMATE.start_main_~k~5 40), 143200#(<= ULTIMATE.start_main_~k~5 37), 143201#(<= ULTIMATE.start_main_~k~5 38), 143206#(<= ULTIMATE.start_main_~k~5 43), 143207#(<= ULTIMATE.start_main_~k~5 44), 143204#(<= ULTIMATE.start_main_~k~5 41), 143205#(<= ULTIMATE.start_main_~k~5 42), 143210#(<= ULTIMATE.start_main_~k~5 47), 143211#(<= ULTIMATE.start_main_~k~5 48), 143208#(<= ULTIMATE.start_main_~k~5 45), 143209#(<= ULTIMATE.start_main_~k~5 46), 143214#(<= ULTIMATE.start_main_~k~5 51), 143215#(<= ULTIMATE.start_main_~k~5 52), 143212#(<= ULTIMATE.start_main_~k~5 49), 143213#(<= ULTIMATE.start_main_~k~5 50), 143218#(<= ULTIMATE.start_main_~k~5 55), 143219#(<= ULTIMATE.start_main_~k~5 56), 143216#(<= ULTIMATE.start_main_~k~5 53), 143217#(<= ULTIMATE.start_main_~k~5 54), 143222#(<= ULTIMATE.start_main_~k~5 59), 143223#(<= ULTIMATE.start_main_~k~5 60), 143220#(<= ULTIMATE.start_main_~k~5 57), 143221#(<= ULTIMATE.start_main_~k~5 58), 143226#(<= ULTIMATE.start_main_~k~5 63), 143227#(<= ULTIMATE.start_main_~k~5 64), 143224#(<= ULTIMATE.start_main_~k~5 61), 143225#(<= ULTIMATE.start_main_~k~5 62), 143230#(<= ULTIMATE.start_main_~k~5 67), 143231#(<= ULTIMATE.start_main_~k~5 68), 143228#(<= ULTIMATE.start_main_~k~5 65), 143229#(<= ULTIMATE.start_main_~k~5 66), 143234#(<= ULTIMATE.start_main_~k~5 71), 143235#(<= ULTIMATE.start_main_~k~5 72), 143232#(<= ULTIMATE.start_main_~k~5 69), 143233#(<= ULTIMATE.start_main_~k~5 70), 143238#(<= ULTIMATE.start_main_~k~5 75), 143239#(<= ULTIMATE.start_main_~k~5 76), 143236#(<= ULTIMATE.start_main_~k~5 73), 143237#(<= ULTIMATE.start_main_~k~5 74), 143242#(<= ULTIMATE.start_main_~k~5 79), 143243#(<= ULTIMATE.start_main_~k~5 80), 143240#(<= ULTIMATE.start_main_~k~5 77), 143241#(<= ULTIMATE.start_main_~k~5 78), 143246#(<= ULTIMATE.start_main_~k~5 83), 143247#(<= ULTIMATE.start_main_~k~5 84), 143244#(<= ULTIMATE.start_main_~k~5 81), 143245#(<= ULTIMATE.start_main_~k~5 82), 143250#(<= ULTIMATE.start_main_~k~5 87), 143251#(<= ULTIMATE.start_main_~k~5 88), 143248#(<= ULTIMATE.start_main_~k~5 85), 143249#(<= ULTIMATE.start_main_~k~5 86), 143254#(<= ULTIMATE.start_main_~k~5 91), 143255#(<= ULTIMATE.start_main_~k~5 92), 143252#(<= ULTIMATE.start_main_~k~5 89), 143253#(<= ULTIMATE.start_main_~k~5 90), 143258#(<= ULTIMATE.start_main_~k~5 95), 143259#(<= ULTIMATE.start_main_~k~5 96), 143256#(<= ULTIMATE.start_main_~k~5 93), 143257#(<= ULTIMATE.start_main_~k~5 94), 143262#(<= ULTIMATE.start_main_~k~5 99), 143263#(<= ULTIMATE.start_main_~k~5 100), 143260#(<= ULTIMATE.start_main_~k~5 97), 143261#(<= ULTIMATE.start_main_~k~5 98), 143266#(<= ULTIMATE.start_main_~k~5 103), 143267#(<= ULTIMATE.start_main_~k~5 104), 143264#(<= ULTIMATE.start_main_~k~5 101), 143265#(<= ULTIMATE.start_main_~k~5 102), 143270#(<= ULTIMATE.start_main_~k~5 107), 143271#(<= ULTIMATE.start_main_~k~5 108), 143268#(<= ULTIMATE.start_main_~k~5 105), 143269#(<= ULTIMATE.start_main_~k~5 106), 143274#(<= ULTIMATE.start_main_~k~5 111), 143275#(<= ULTIMATE.start_main_~k~5 112), 143272#(<= ULTIMATE.start_main_~k~5 109), 143273#(<= ULTIMATE.start_main_~k~5 110), 143278#(<= ULTIMATE.start_main_~k~5 115), 143279#(<= ULTIMATE.start_main_~k~5 116), 143276#(<= ULTIMATE.start_main_~k~5 113), 143277#(<= ULTIMATE.start_main_~k~5 114), 143282#(<= ULTIMATE.start_main_~k~5 119), 143283#(<= ULTIMATE.start_main_~k~5 120), 143280#(<= ULTIMATE.start_main_~k~5 117), 143281#(<= ULTIMATE.start_main_~k~5 118), 143286#(<= ULTIMATE.start_main_~k~5 123), 143287#(<= ULTIMATE.start_main_~k~5 124), 143284#(<= ULTIMATE.start_main_~k~5 121), 143285#(<= ULTIMATE.start_main_~k~5 122), 143290#(<= ULTIMATE.start_main_~k~5 127), 143291#(<= ULTIMATE.start_main_~k~5 128), 143288#(<= ULTIMATE.start_main_~k~5 125), 143289#(<= ULTIMATE.start_main_~k~5 126), 143294#(<= ULTIMATE.start_main_~k~5 131), 143295#(<= ULTIMATE.start_main_~k~5 132), 143292#(<= ULTIMATE.start_main_~k~5 129), 143293#(<= ULTIMATE.start_main_~k~5 130), 143298#(<= ULTIMATE.start_main_~k~5 135), 143299#(<= ULTIMATE.start_main_~k~5 136), 143296#(<= ULTIMATE.start_main_~k~5 133), 143297#(<= ULTIMATE.start_main_~k~5 134), 143302#(<= ULTIMATE.start_main_~k~5 139), 143303#(<= ULTIMATE.start_main_~k~5 140), 143300#(<= ULTIMATE.start_main_~k~5 137), 143301#(<= ULTIMATE.start_main_~k~5 138), 143306#(<= ULTIMATE.start_main_~k~5 143), 143307#(<= ULTIMATE.start_main_~k~5 144), 143304#(<= ULTIMATE.start_main_~k~5 141), 143305#(<= ULTIMATE.start_main_~k~5 142), 143310#(<= ULTIMATE.start_main_~k~5 147), 143311#(<= ULTIMATE.start_main_~k~5 148), 143308#(<= ULTIMATE.start_main_~k~5 145), 143309#(<= ULTIMATE.start_main_~k~5 146), 143314#(<= ULTIMATE.start_main_~k~5 151), 143315#(<= ULTIMATE.start_main_~k~5 152), 143312#(<= ULTIMATE.start_main_~k~5 149), 143313#(<= ULTIMATE.start_main_~k~5 150), 143318#(<= ULTIMATE.start_main_~k~5 155), 143319#(<= ULTIMATE.start_main_~k~5 156), 143316#(<= ULTIMATE.start_main_~k~5 153), 143317#(<= ULTIMATE.start_main_~k~5 154), 143322#(<= ULTIMATE.start_main_~k~5 159), 143323#(<= ULTIMATE.start_main_~k~5 160), 143320#(<= ULTIMATE.start_main_~k~5 157), 143321#(<= ULTIMATE.start_main_~k~5 158), 143326#(<= ULTIMATE.start_main_~k~5 163), 143327#(<= ULTIMATE.start_main_~k~5 164), 143324#(<= ULTIMATE.start_main_~k~5 161), 143325#(<= ULTIMATE.start_main_~k~5 162), 143330#(<= ULTIMATE.start_main_~k~5 167), 143331#(<= ULTIMATE.start_main_~k~5 168), 143328#(<= ULTIMATE.start_main_~k~5 165), 143329#(<= ULTIMATE.start_main_~k~5 166), 143334#(<= ULTIMATE.start_main_~k~5 171), 143335#(<= ULTIMATE.start_main_~k~5 172), 143332#(<= ULTIMATE.start_main_~k~5 169), 143333#(<= ULTIMATE.start_main_~k~5 170), 143338#(<= ULTIMATE.start_main_~k~5 175), 143336#(<= ULTIMATE.start_main_~k~5 173), 143337#(<= ULTIMATE.start_main_~k~5 174)] [2018-07-23 13:47:41,082 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 13:47:41,082 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:47:41,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:47:41,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:47:41,086 INFO L87 Difference]: Start difference. First operand 355 states and 355 transitions. Second operand 178 states. [2018-07-23 13:47:42,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:42,601 INFO L93 Difference]: Finished difference Result 359 states and 359 transitions. [2018-07-23 13:47:42,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:47:42,601 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 354 [2018-07-23 13:47:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:42,602 INFO L225 Difference]: With dead ends: 359 [2018-07-23 13:47:42,602 INFO L226 Difference]: Without dead ends: 357 [2018-07-23 13:47:42,605 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:47:42,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-07-23 13:47:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2018-07-23 13:47:42,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-07-23 13:47:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 357 transitions. [2018-07-23 13:47:42,610 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 357 transitions. Word has length 354 [2018-07-23 13:47:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:42,610 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 357 transitions. [2018-07-23 13:47:42,610 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:47:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 357 transitions. [2018-07-23 13:47:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-07-23 13:47:42,611 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:42,611 INFO L357 BasicCegarLoop]: trace histogram [177, 176, 1, 1, 1] [2018-07-23 13:47:42,611 INFO L414 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:42,611 INFO L82 PathProgramCache]: Analyzing trace with hash 703990695, now seen corresponding path program 176 times [2018-07-23 13:47:42,612 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:44,344 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 13:47:44,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:44,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:47:44,345 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:44,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:44,346 INFO L185 omatonBuilderFactory]: Interpolants [144898#(<= ULTIMATE.start_main_~k~5 125), 144899#(<= ULTIMATE.start_main_~k~5 126), 144896#(<= ULTIMATE.start_main_~k~5 123), 144897#(<= ULTIMATE.start_main_~k~5 124), 144902#(<= ULTIMATE.start_main_~k~5 129), 144903#(<= ULTIMATE.start_main_~k~5 130), 144900#(<= ULTIMATE.start_main_~k~5 127), 144901#(<= ULTIMATE.start_main_~k~5 128), 144906#(<= ULTIMATE.start_main_~k~5 133), 144907#(<= ULTIMATE.start_main_~k~5 134), 144904#(<= ULTIMATE.start_main_~k~5 131), 144905#(<= ULTIMATE.start_main_~k~5 132), 144910#(<= ULTIMATE.start_main_~k~5 137), 144911#(<= ULTIMATE.start_main_~k~5 138), 144908#(<= ULTIMATE.start_main_~k~5 135), 144909#(<= ULTIMATE.start_main_~k~5 136), 144914#(<= ULTIMATE.start_main_~k~5 141), 144915#(<= ULTIMATE.start_main_~k~5 142), 144912#(<= ULTIMATE.start_main_~k~5 139), 144913#(<= ULTIMATE.start_main_~k~5 140), 144918#(<= ULTIMATE.start_main_~k~5 145), 144919#(<= ULTIMATE.start_main_~k~5 146), 144916#(<= ULTIMATE.start_main_~k~5 143), 144917#(<= ULTIMATE.start_main_~k~5 144), 144922#(<= ULTIMATE.start_main_~k~5 149), 144923#(<= ULTIMATE.start_main_~k~5 150), 144920#(<= ULTIMATE.start_main_~k~5 147), 144921#(<= ULTIMATE.start_main_~k~5 148), 144926#(<= ULTIMATE.start_main_~k~5 153), 144927#(<= ULTIMATE.start_main_~k~5 154), 144924#(<= ULTIMATE.start_main_~k~5 151), 144925#(<= ULTIMATE.start_main_~k~5 152), 144930#(<= ULTIMATE.start_main_~k~5 157), 144931#(<= ULTIMATE.start_main_~k~5 158), 144928#(<= ULTIMATE.start_main_~k~5 155), 144929#(<= ULTIMATE.start_main_~k~5 156), 144934#(<= ULTIMATE.start_main_~k~5 161), 144935#(<= ULTIMATE.start_main_~k~5 162), 144932#(<= ULTIMATE.start_main_~k~5 159), 144933#(<= ULTIMATE.start_main_~k~5 160), 144938#(<= ULTIMATE.start_main_~k~5 165), 144939#(<= ULTIMATE.start_main_~k~5 166), 144936#(<= ULTIMATE.start_main_~k~5 163), 144937#(<= ULTIMATE.start_main_~k~5 164), 144942#(<= ULTIMATE.start_main_~k~5 169), 144943#(<= ULTIMATE.start_main_~k~5 170), 144940#(<= ULTIMATE.start_main_~k~5 167), 144941#(<= ULTIMATE.start_main_~k~5 168), 144946#(<= ULTIMATE.start_main_~k~5 173), 144947#(<= ULTIMATE.start_main_~k~5 174), 144944#(<= ULTIMATE.start_main_~k~5 171), 144945#(<= ULTIMATE.start_main_~k~5 172), 144948#(<= ULTIMATE.start_main_~k~5 175), 144949#(<= ULTIMATE.start_main_~k~5 176), 144771#true, 144774#(<= ULTIMATE.start_main_~k~5 1), 144775#(<= ULTIMATE.start_main_~k~5 2), 144772#false, 144773#(<= ULTIMATE.start_main_~k~5 0), 144778#(<= ULTIMATE.start_main_~k~5 5), 144779#(<= ULTIMATE.start_main_~k~5 6), 144776#(<= ULTIMATE.start_main_~k~5 3), 144777#(<= ULTIMATE.start_main_~k~5 4), 144782#(<= ULTIMATE.start_main_~k~5 9), 144783#(<= ULTIMATE.start_main_~k~5 10), 144780#(<= ULTIMATE.start_main_~k~5 7), 144781#(<= ULTIMATE.start_main_~k~5 8), 144786#(<= ULTIMATE.start_main_~k~5 13), 144787#(<= ULTIMATE.start_main_~k~5 14), 144784#(<= ULTIMATE.start_main_~k~5 11), 144785#(<= ULTIMATE.start_main_~k~5 12), 144790#(<= ULTIMATE.start_main_~k~5 17), 144791#(<= ULTIMATE.start_main_~k~5 18), 144788#(<= ULTIMATE.start_main_~k~5 15), 144789#(<= ULTIMATE.start_main_~k~5 16), 144794#(<= ULTIMATE.start_main_~k~5 21), 144795#(<= ULTIMATE.start_main_~k~5 22), 144792#(<= ULTIMATE.start_main_~k~5 19), 144793#(<= ULTIMATE.start_main_~k~5 20), 144798#(<= ULTIMATE.start_main_~k~5 25), 144799#(<= ULTIMATE.start_main_~k~5 26), 144796#(<= ULTIMATE.start_main_~k~5 23), 144797#(<= ULTIMATE.start_main_~k~5 24), 144802#(<= ULTIMATE.start_main_~k~5 29), 144803#(<= ULTIMATE.start_main_~k~5 30), 144800#(<= ULTIMATE.start_main_~k~5 27), 144801#(<= ULTIMATE.start_main_~k~5 28), 144806#(<= ULTIMATE.start_main_~k~5 33), 144807#(<= ULTIMATE.start_main_~k~5 34), 144804#(<= ULTIMATE.start_main_~k~5 31), 144805#(<= ULTIMATE.start_main_~k~5 32), 144810#(<= ULTIMATE.start_main_~k~5 37), 144811#(<= ULTIMATE.start_main_~k~5 38), 144808#(<= ULTIMATE.start_main_~k~5 35), 144809#(<= ULTIMATE.start_main_~k~5 36), 144814#(<= ULTIMATE.start_main_~k~5 41), 144815#(<= ULTIMATE.start_main_~k~5 42), 144812#(<= ULTIMATE.start_main_~k~5 39), 144813#(<= ULTIMATE.start_main_~k~5 40), 144818#(<= ULTIMATE.start_main_~k~5 45), 144819#(<= ULTIMATE.start_main_~k~5 46), 144816#(<= ULTIMATE.start_main_~k~5 43), 144817#(<= ULTIMATE.start_main_~k~5 44), 144822#(<= ULTIMATE.start_main_~k~5 49), 144823#(<= ULTIMATE.start_main_~k~5 50), 144820#(<= ULTIMATE.start_main_~k~5 47), 144821#(<= ULTIMATE.start_main_~k~5 48), 144826#(<= ULTIMATE.start_main_~k~5 53), 144827#(<= ULTIMATE.start_main_~k~5 54), 144824#(<= ULTIMATE.start_main_~k~5 51), 144825#(<= ULTIMATE.start_main_~k~5 52), 144830#(<= ULTIMATE.start_main_~k~5 57), 144831#(<= ULTIMATE.start_main_~k~5 58), 144828#(<= ULTIMATE.start_main_~k~5 55), 144829#(<= ULTIMATE.start_main_~k~5 56), 144834#(<= ULTIMATE.start_main_~k~5 61), 144835#(<= ULTIMATE.start_main_~k~5 62), 144832#(<= ULTIMATE.start_main_~k~5 59), 144833#(<= ULTIMATE.start_main_~k~5 60), 144838#(<= ULTIMATE.start_main_~k~5 65), 144839#(<= ULTIMATE.start_main_~k~5 66), 144836#(<= ULTIMATE.start_main_~k~5 63), 144837#(<= ULTIMATE.start_main_~k~5 64), 144842#(<= ULTIMATE.start_main_~k~5 69), 144843#(<= ULTIMATE.start_main_~k~5 70), 144840#(<= ULTIMATE.start_main_~k~5 67), 144841#(<= ULTIMATE.start_main_~k~5 68), 144846#(<= ULTIMATE.start_main_~k~5 73), 144847#(<= ULTIMATE.start_main_~k~5 74), 144844#(<= ULTIMATE.start_main_~k~5 71), 144845#(<= ULTIMATE.start_main_~k~5 72), 144850#(<= ULTIMATE.start_main_~k~5 77), 144851#(<= ULTIMATE.start_main_~k~5 78), 144848#(<= ULTIMATE.start_main_~k~5 75), 144849#(<= ULTIMATE.start_main_~k~5 76), 144854#(<= ULTIMATE.start_main_~k~5 81), 144855#(<= ULTIMATE.start_main_~k~5 82), 144852#(<= ULTIMATE.start_main_~k~5 79), 144853#(<= ULTIMATE.start_main_~k~5 80), 144858#(<= ULTIMATE.start_main_~k~5 85), 144859#(<= ULTIMATE.start_main_~k~5 86), 144856#(<= ULTIMATE.start_main_~k~5 83), 144857#(<= ULTIMATE.start_main_~k~5 84), 144862#(<= ULTIMATE.start_main_~k~5 89), 144863#(<= ULTIMATE.start_main_~k~5 90), 144860#(<= ULTIMATE.start_main_~k~5 87), 144861#(<= ULTIMATE.start_main_~k~5 88), 144866#(<= ULTIMATE.start_main_~k~5 93), 144867#(<= ULTIMATE.start_main_~k~5 94), 144864#(<= ULTIMATE.start_main_~k~5 91), 144865#(<= ULTIMATE.start_main_~k~5 92), 144870#(<= ULTIMATE.start_main_~k~5 97), 144871#(<= ULTIMATE.start_main_~k~5 98), 144868#(<= ULTIMATE.start_main_~k~5 95), 144869#(<= ULTIMATE.start_main_~k~5 96), 144874#(<= ULTIMATE.start_main_~k~5 101), 144875#(<= ULTIMATE.start_main_~k~5 102), 144872#(<= ULTIMATE.start_main_~k~5 99), 144873#(<= ULTIMATE.start_main_~k~5 100), 144878#(<= ULTIMATE.start_main_~k~5 105), 144879#(<= ULTIMATE.start_main_~k~5 106), 144876#(<= ULTIMATE.start_main_~k~5 103), 144877#(<= ULTIMATE.start_main_~k~5 104), 144882#(<= ULTIMATE.start_main_~k~5 109), 144883#(<= ULTIMATE.start_main_~k~5 110), 144880#(<= ULTIMATE.start_main_~k~5 107), 144881#(<= ULTIMATE.start_main_~k~5 108), 144886#(<= ULTIMATE.start_main_~k~5 113), 144887#(<= ULTIMATE.start_main_~k~5 114), 144884#(<= ULTIMATE.start_main_~k~5 111), 144885#(<= ULTIMATE.start_main_~k~5 112), 144890#(<= ULTIMATE.start_main_~k~5 117), 144891#(<= ULTIMATE.start_main_~k~5 118), 144888#(<= ULTIMATE.start_main_~k~5 115), 144889#(<= ULTIMATE.start_main_~k~5 116), 144894#(<= ULTIMATE.start_main_~k~5 121), 144895#(<= ULTIMATE.start_main_~k~5 122), 144892#(<= ULTIMATE.start_main_~k~5 119), 144893#(<= ULTIMATE.start_main_~k~5 120)] [2018-07-23 13:47:44,347 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 13:47:44,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:47:44,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:47:44,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:47:44,351 INFO L87 Difference]: Start difference. First operand 357 states and 357 transitions. Second operand 179 states. [2018-07-23 13:47:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:44,917 INFO L93 Difference]: Finished difference Result 361 states and 361 transitions. [2018-07-23 13:47:44,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:47:44,917 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 356 [2018-07-23 13:47:44,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:44,918 INFO L225 Difference]: With dead ends: 361 [2018-07-23 13:47:44,918 INFO L226 Difference]: Without dead ends: 359 [2018-07-23 13:47:44,920 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:47:44,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-07-23 13:47:44,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-07-23 13:47:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-07-23 13:47:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 359 transitions. [2018-07-23 13:47:44,925 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 359 transitions. Word has length 356 [2018-07-23 13:47:44,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:44,925 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 359 transitions. [2018-07-23 13:47:44,925 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:47:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 359 transitions. [2018-07-23 13:47:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-07-23 13:47:44,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:44,926 INFO L357 BasicCegarLoop]: trace histogram [178, 177, 1, 1, 1] [2018-07-23 13:47:44,926 INFO L414 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:44,927 INFO L82 PathProgramCache]: Analyzing trace with hash -2069722783, now seen corresponding path program 177 times [2018-07-23 13:47:44,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:46,692 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 13:47:46,692 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:46,692 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:47:46,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:46,693 INFO L185 omatonBuilderFactory]: Interpolants [146434#(<= ULTIMATE.start_main_~k~5 42), 146435#(<= ULTIMATE.start_main_~k~5 43), 146432#(<= ULTIMATE.start_main_~k~5 40), 146433#(<= ULTIMATE.start_main_~k~5 41), 146438#(<= ULTIMATE.start_main_~k~5 46), 146439#(<= ULTIMATE.start_main_~k~5 47), 146436#(<= ULTIMATE.start_main_~k~5 44), 146437#(<= ULTIMATE.start_main_~k~5 45), 146442#(<= ULTIMATE.start_main_~k~5 50), 146443#(<= ULTIMATE.start_main_~k~5 51), 146440#(<= ULTIMATE.start_main_~k~5 48), 146441#(<= ULTIMATE.start_main_~k~5 49), 146446#(<= ULTIMATE.start_main_~k~5 54), 146447#(<= ULTIMATE.start_main_~k~5 55), 146444#(<= ULTIMATE.start_main_~k~5 52), 146445#(<= ULTIMATE.start_main_~k~5 53), 146450#(<= ULTIMATE.start_main_~k~5 58), 146451#(<= ULTIMATE.start_main_~k~5 59), 146448#(<= ULTIMATE.start_main_~k~5 56), 146449#(<= ULTIMATE.start_main_~k~5 57), 146454#(<= ULTIMATE.start_main_~k~5 62), 146455#(<= ULTIMATE.start_main_~k~5 63), 146452#(<= ULTIMATE.start_main_~k~5 60), 146453#(<= ULTIMATE.start_main_~k~5 61), 146458#(<= ULTIMATE.start_main_~k~5 66), 146459#(<= ULTIMATE.start_main_~k~5 67), 146456#(<= ULTIMATE.start_main_~k~5 64), 146457#(<= ULTIMATE.start_main_~k~5 65), 146462#(<= ULTIMATE.start_main_~k~5 70), 146463#(<= ULTIMATE.start_main_~k~5 71), 146460#(<= ULTIMATE.start_main_~k~5 68), 146461#(<= ULTIMATE.start_main_~k~5 69), 146466#(<= ULTIMATE.start_main_~k~5 74), 146467#(<= ULTIMATE.start_main_~k~5 75), 146464#(<= ULTIMATE.start_main_~k~5 72), 146465#(<= ULTIMATE.start_main_~k~5 73), 146470#(<= ULTIMATE.start_main_~k~5 78), 146471#(<= ULTIMATE.start_main_~k~5 79), 146468#(<= ULTIMATE.start_main_~k~5 76), 146469#(<= ULTIMATE.start_main_~k~5 77), 146474#(<= ULTIMATE.start_main_~k~5 82), 146475#(<= ULTIMATE.start_main_~k~5 83), 146472#(<= ULTIMATE.start_main_~k~5 80), 146473#(<= ULTIMATE.start_main_~k~5 81), 146478#(<= ULTIMATE.start_main_~k~5 86), 146479#(<= ULTIMATE.start_main_~k~5 87), 146476#(<= ULTIMATE.start_main_~k~5 84), 146477#(<= ULTIMATE.start_main_~k~5 85), 146482#(<= ULTIMATE.start_main_~k~5 90), 146483#(<= ULTIMATE.start_main_~k~5 91), 146480#(<= ULTIMATE.start_main_~k~5 88), 146481#(<= ULTIMATE.start_main_~k~5 89), 146486#(<= ULTIMATE.start_main_~k~5 94), 146487#(<= ULTIMATE.start_main_~k~5 95), 146484#(<= ULTIMATE.start_main_~k~5 92), 146485#(<= ULTIMATE.start_main_~k~5 93), 146490#(<= ULTIMATE.start_main_~k~5 98), 146491#(<= ULTIMATE.start_main_~k~5 99), 146488#(<= ULTIMATE.start_main_~k~5 96), 146489#(<= ULTIMATE.start_main_~k~5 97), 146494#(<= ULTIMATE.start_main_~k~5 102), 146495#(<= ULTIMATE.start_main_~k~5 103), 146492#(<= ULTIMATE.start_main_~k~5 100), 146493#(<= ULTIMATE.start_main_~k~5 101), 146498#(<= ULTIMATE.start_main_~k~5 106), 146499#(<= ULTIMATE.start_main_~k~5 107), 146496#(<= ULTIMATE.start_main_~k~5 104), 146497#(<= ULTIMATE.start_main_~k~5 105), 146502#(<= ULTIMATE.start_main_~k~5 110), 146503#(<= ULTIMATE.start_main_~k~5 111), 146500#(<= ULTIMATE.start_main_~k~5 108), 146501#(<= ULTIMATE.start_main_~k~5 109), 146506#(<= ULTIMATE.start_main_~k~5 114), 146507#(<= ULTIMATE.start_main_~k~5 115), 146504#(<= ULTIMATE.start_main_~k~5 112), 146505#(<= ULTIMATE.start_main_~k~5 113), 146510#(<= ULTIMATE.start_main_~k~5 118), 146511#(<= ULTIMATE.start_main_~k~5 119), 146508#(<= ULTIMATE.start_main_~k~5 116), 146509#(<= ULTIMATE.start_main_~k~5 117), 146514#(<= ULTIMATE.start_main_~k~5 122), 146515#(<= ULTIMATE.start_main_~k~5 123), 146512#(<= ULTIMATE.start_main_~k~5 120), 146513#(<= ULTIMATE.start_main_~k~5 121), 146518#(<= ULTIMATE.start_main_~k~5 126), 146519#(<= ULTIMATE.start_main_~k~5 127), 146516#(<= ULTIMATE.start_main_~k~5 124), 146517#(<= ULTIMATE.start_main_~k~5 125), 146522#(<= ULTIMATE.start_main_~k~5 130), 146523#(<= ULTIMATE.start_main_~k~5 131), 146520#(<= ULTIMATE.start_main_~k~5 128), 146521#(<= ULTIMATE.start_main_~k~5 129), 146526#(<= ULTIMATE.start_main_~k~5 134), 146527#(<= ULTIMATE.start_main_~k~5 135), 146524#(<= ULTIMATE.start_main_~k~5 132), 146525#(<= ULTIMATE.start_main_~k~5 133), 146530#(<= ULTIMATE.start_main_~k~5 138), 146531#(<= ULTIMATE.start_main_~k~5 139), 146528#(<= ULTIMATE.start_main_~k~5 136), 146529#(<= ULTIMATE.start_main_~k~5 137), 146534#(<= ULTIMATE.start_main_~k~5 142), 146535#(<= ULTIMATE.start_main_~k~5 143), 146532#(<= ULTIMATE.start_main_~k~5 140), 146533#(<= ULTIMATE.start_main_~k~5 141), 146538#(<= ULTIMATE.start_main_~k~5 146), 146539#(<= ULTIMATE.start_main_~k~5 147), 146536#(<= ULTIMATE.start_main_~k~5 144), 146537#(<= ULTIMATE.start_main_~k~5 145), 146542#(<= ULTIMATE.start_main_~k~5 150), 146543#(<= ULTIMATE.start_main_~k~5 151), 146540#(<= ULTIMATE.start_main_~k~5 148), 146541#(<= ULTIMATE.start_main_~k~5 149), 146546#(<= ULTIMATE.start_main_~k~5 154), 146547#(<= ULTIMATE.start_main_~k~5 155), 146544#(<= ULTIMATE.start_main_~k~5 152), 146545#(<= ULTIMATE.start_main_~k~5 153), 146550#(<= ULTIMATE.start_main_~k~5 158), 146551#(<= ULTIMATE.start_main_~k~5 159), 146548#(<= ULTIMATE.start_main_~k~5 156), 146549#(<= ULTIMATE.start_main_~k~5 157), 146554#(<= ULTIMATE.start_main_~k~5 162), 146555#(<= ULTIMATE.start_main_~k~5 163), 146552#(<= ULTIMATE.start_main_~k~5 160), 146553#(<= ULTIMATE.start_main_~k~5 161), 146558#(<= ULTIMATE.start_main_~k~5 166), 146559#(<= ULTIMATE.start_main_~k~5 167), 146556#(<= ULTIMATE.start_main_~k~5 164), 146557#(<= ULTIMATE.start_main_~k~5 165), 146562#(<= ULTIMATE.start_main_~k~5 170), 146563#(<= ULTIMATE.start_main_~k~5 171), 146560#(<= ULTIMATE.start_main_~k~5 168), 146561#(<= ULTIMATE.start_main_~k~5 169), 146566#(<= ULTIMATE.start_main_~k~5 174), 146567#(<= ULTIMATE.start_main_~k~5 175), 146564#(<= ULTIMATE.start_main_~k~5 172), 146565#(<= ULTIMATE.start_main_~k~5 173), 146568#(<= ULTIMATE.start_main_~k~5 176), 146569#(<= ULTIMATE.start_main_~k~5 177), 146390#true, 146391#false, 146394#(<= ULTIMATE.start_main_~k~5 2), 146395#(<= ULTIMATE.start_main_~k~5 3), 146392#(<= ULTIMATE.start_main_~k~5 0), 146393#(<= ULTIMATE.start_main_~k~5 1), 146398#(<= ULTIMATE.start_main_~k~5 6), 146399#(<= ULTIMATE.start_main_~k~5 7), 146396#(<= ULTIMATE.start_main_~k~5 4), 146397#(<= ULTIMATE.start_main_~k~5 5), 146402#(<= ULTIMATE.start_main_~k~5 10), 146403#(<= ULTIMATE.start_main_~k~5 11), 146400#(<= ULTIMATE.start_main_~k~5 8), 146401#(<= ULTIMATE.start_main_~k~5 9), 146406#(<= ULTIMATE.start_main_~k~5 14), 146407#(<= ULTIMATE.start_main_~k~5 15), 146404#(<= ULTIMATE.start_main_~k~5 12), 146405#(<= ULTIMATE.start_main_~k~5 13), 146410#(<= ULTIMATE.start_main_~k~5 18), 146411#(<= ULTIMATE.start_main_~k~5 19), 146408#(<= ULTIMATE.start_main_~k~5 16), 146409#(<= ULTIMATE.start_main_~k~5 17), 146414#(<= ULTIMATE.start_main_~k~5 22), 146415#(<= ULTIMATE.start_main_~k~5 23), 146412#(<= ULTIMATE.start_main_~k~5 20), 146413#(<= ULTIMATE.start_main_~k~5 21), 146418#(<= ULTIMATE.start_main_~k~5 26), 146419#(<= ULTIMATE.start_main_~k~5 27), 146416#(<= ULTIMATE.start_main_~k~5 24), 146417#(<= ULTIMATE.start_main_~k~5 25), 146422#(<= ULTIMATE.start_main_~k~5 30), 146423#(<= ULTIMATE.start_main_~k~5 31), 146420#(<= ULTIMATE.start_main_~k~5 28), 146421#(<= ULTIMATE.start_main_~k~5 29), 146426#(<= ULTIMATE.start_main_~k~5 34), 146427#(<= ULTIMATE.start_main_~k~5 35), 146424#(<= ULTIMATE.start_main_~k~5 32), 146425#(<= ULTIMATE.start_main_~k~5 33), 146430#(<= ULTIMATE.start_main_~k~5 38), 146431#(<= ULTIMATE.start_main_~k~5 39), 146428#(<= ULTIMATE.start_main_~k~5 36), 146429#(<= ULTIMATE.start_main_~k~5 37)] [2018-07-23 13:47:46,695 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 13:47:46,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:47:46,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:47:46,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:47:46,699 INFO L87 Difference]: Start difference. First operand 359 states and 359 transitions. Second operand 180 states. [2018-07-23 13:47:47,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:47,838 INFO L93 Difference]: Finished difference Result 363 states and 363 transitions. [2018-07-23 13:47:47,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:47:47,838 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 358 [2018-07-23 13:47:47,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:47,839 INFO L225 Difference]: With dead ends: 363 [2018-07-23 13:47:47,839 INFO L226 Difference]: Without dead ends: 361 [2018-07-23 13:47:47,841 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:47:47,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-07-23 13:47:47,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-07-23 13:47:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-07-23 13:47:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 361 transitions. [2018-07-23 13:47:47,846 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 361 transitions. Word has length 358 [2018-07-23 13:47:47,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:47,846 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 361 transitions. [2018-07-23 13:47:47,846 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:47:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 361 transitions. [2018-07-23 13:47:47,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-07-23 13:47:47,847 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:47,847 INFO L357 BasicCegarLoop]: trace histogram [179, 178, 1, 1, 1] [2018-07-23 13:47:47,847 INFO L414 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash -433684325, now seen corresponding path program 178 times [2018-07-23 13:47:47,847 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:49,614 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 13:47:49,615 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:49,615 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:47:49,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:49,616 INFO L185 omatonBuilderFactory]: Interpolants [148018#true, 148019#false, 148022#(<= ULTIMATE.start_main_~k~5 2), 148023#(<= ULTIMATE.start_main_~k~5 3), 148020#(<= ULTIMATE.start_main_~k~5 0), 148021#(<= ULTIMATE.start_main_~k~5 1), 148026#(<= ULTIMATE.start_main_~k~5 6), 148027#(<= ULTIMATE.start_main_~k~5 7), 148024#(<= ULTIMATE.start_main_~k~5 4), 148025#(<= ULTIMATE.start_main_~k~5 5), 148030#(<= ULTIMATE.start_main_~k~5 10), 148031#(<= ULTIMATE.start_main_~k~5 11), 148028#(<= ULTIMATE.start_main_~k~5 8), 148029#(<= ULTIMATE.start_main_~k~5 9), 148034#(<= ULTIMATE.start_main_~k~5 14), 148035#(<= ULTIMATE.start_main_~k~5 15), 148032#(<= ULTIMATE.start_main_~k~5 12), 148033#(<= ULTIMATE.start_main_~k~5 13), 148038#(<= ULTIMATE.start_main_~k~5 18), 148039#(<= ULTIMATE.start_main_~k~5 19), 148036#(<= ULTIMATE.start_main_~k~5 16), 148037#(<= ULTIMATE.start_main_~k~5 17), 148042#(<= ULTIMATE.start_main_~k~5 22), 148043#(<= ULTIMATE.start_main_~k~5 23), 148040#(<= ULTIMATE.start_main_~k~5 20), 148041#(<= ULTIMATE.start_main_~k~5 21), 148046#(<= ULTIMATE.start_main_~k~5 26), 148047#(<= ULTIMATE.start_main_~k~5 27), 148044#(<= ULTIMATE.start_main_~k~5 24), 148045#(<= ULTIMATE.start_main_~k~5 25), 148050#(<= ULTIMATE.start_main_~k~5 30), 148051#(<= ULTIMATE.start_main_~k~5 31), 148048#(<= ULTIMATE.start_main_~k~5 28), 148049#(<= ULTIMATE.start_main_~k~5 29), 148054#(<= ULTIMATE.start_main_~k~5 34), 148055#(<= ULTIMATE.start_main_~k~5 35), 148052#(<= ULTIMATE.start_main_~k~5 32), 148053#(<= ULTIMATE.start_main_~k~5 33), 148058#(<= ULTIMATE.start_main_~k~5 38), 148059#(<= ULTIMATE.start_main_~k~5 39), 148056#(<= ULTIMATE.start_main_~k~5 36), 148057#(<= ULTIMATE.start_main_~k~5 37), 148062#(<= ULTIMATE.start_main_~k~5 42), 148063#(<= ULTIMATE.start_main_~k~5 43), 148060#(<= ULTIMATE.start_main_~k~5 40), 148061#(<= ULTIMATE.start_main_~k~5 41), 148066#(<= ULTIMATE.start_main_~k~5 46), 148067#(<= ULTIMATE.start_main_~k~5 47), 148064#(<= ULTIMATE.start_main_~k~5 44), 148065#(<= ULTIMATE.start_main_~k~5 45), 148070#(<= ULTIMATE.start_main_~k~5 50), 148071#(<= ULTIMATE.start_main_~k~5 51), 148068#(<= ULTIMATE.start_main_~k~5 48), 148069#(<= ULTIMATE.start_main_~k~5 49), 148074#(<= ULTIMATE.start_main_~k~5 54), 148075#(<= ULTIMATE.start_main_~k~5 55), 148072#(<= ULTIMATE.start_main_~k~5 52), 148073#(<= ULTIMATE.start_main_~k~5 53), 148078#(<= ULTIMATE.start_main_~k~5 58), 148079#(<= ULTIMATE.start_main_~k~5 59), 148076#(<= ULTIMATE.start_main_~k~5 56), 148077#(<= ULTIMATE.start_main_~k~5 57), 148082#(<= ULTIMATE.start_main_~k~5 62), 148083#(<= ULTIMATE.start_main_~k~5 63), 148080#(<= ULTIMATE.start_main_~k~5 60), 148081#(<= ULTIMATE.start_main_~k~5 61), 148086#(<= ULTIMATE.start_main_~k~5 66), 148087#(<= ULTIMATE.start_main_~k~5 67), 148084#(<= ULTIMATE.start_main_~k~5 64), 148085#(<= ULTIMATE.start_main_~k~5 65), 148090#(<= ULTIMATE.start_main_~k~5 70), 148091#(<= ULTIMATE.start_main_~k~5 71), 148088#(<= ULTIMATE.start_main_~k~5 68), 148089#(<= ULTIMATE.start_main_~k~5 69), 148094#(<= ULTIMATE.start_main_~k~5 74), 148095#(<= ULTIMATE.start_main_~k~5 75), 148092#(<= ULTIMATE.start_main_~k~5 72), 148093#(<= ULTIMATE.start_main_~k~5 73), 148098#(<= ULTIMATE.start_main_~k~5 78), 148099#(<= ULTIMATE.start_main_~k~5 79), 148096#(<= ULTIMATE.start_main_~k~5 76), 148097#(<= ULTIMATE.start_main_~k~5 77), 148102#(<= ULTIMATE.start_main_~k~5 82), 148103#(<= ULTIMATE.start_main_~k~5 83), 148100#(<= ULTIMATE.start_main_~k~5 80), 148101#(<= ULTIMATE.start_main_~k~5 81), 148106#(<= ULTIMATE.start_main_~k~5 86), 148107#(<= ULTIMATE.start_main_~k~5 87), 148104#(<= ULTIMATE.start_main_~k~5 84), 148105#(<= ULTIMATE.start_main_~k~5 85), 148110#(<= ULTIMATE.start_main_~k~5 90), 148111#(<= ULTIMATE.start_main_~k~5 91), 148108#(<= ULTIMATE.start_main_~k~5 88), 148109#(<= ULTIMATE.start_main_~k~5 89), 148114#(<= ULTIMATE.start_main_~k~5 94), 148115#(<= ULTIMATE.start_main_~k~5 95), 148112#(<= ULTIMATE.start_main_~k~5 92), 148113#(<= ULTIMATE.start_main_~k~5 93), 148118#(<= ULTIMATE.start_main_~k~5 98), 148119#(<= ULTIMATE.start_main_~k~5 99), 148116#(<= ULTIMATE.start_main_~k~5 96), 148117#(<= ULTIMATE.start_main_~k~5 97), 148122#(<= ULTIMATE.start_main_~k~5 102), 148123#(<= ULTIMATE.start_main_~k~5 103), 148120#(<= ULTIMATE.start_main_~k~5 100), 148121#(<= ULTIMATE.start_main_~k~5 101), 148126#(<= ULTIMATE.start_main_~k~5 106), 148127#(<= ULTIMATE.start_main_~k~5 107), 148124#(<= ULTIMATE.start_main_~k~5 104), 148125#(<= ULTIMATE.start_main_~k~5 105), 148130#(<= ULTIMATE.start_main_~k~5 110), 148131#(<= ULTIMATE.start_main_~k~5 111), 148128#(<= ULTIMATE.start_main_~k~5 108), 148129#(<= ULTIMATE.start_main_~k~5 109), 148134#(<= ULTIMATE.start_main_~k~5 114), 148135#(<= ULTIMATE.start_main_~k~5 115), 148132#(<= ULTIMATE.start_main_~k~5 112), 148133#(<= ULTIMATE.start_main_~k~5 113), 148138#(<= ULTIMATE.start_main_~k~5 118), 148139#(<= ULTIMATE.start_main_~k~5 119), 148136#(<= ULTIMATE.start_main_~k~5 116), 148137#(<= ULTIMATE.start_main_~k~5 117), 148142#(<= ULTIMATE.start_main_~k~5 122), 148143#(<= ULTIMATE.start_main_~k~5 123), 148140#(<= ULTIMATE.start_main_~k~5 120), 148141#(<= ULTIMATE.start_main_~k~5 121), 148146#(<= ULTIMATE.start_main_~k~5 126), 148147#(<= ULTIMATE.start_main_~k~5 127), 148144#(<= ULTIMATE.start_main_~k~5 124), 148145#(<= ULTIMATE.start_main_~k~5 125), 148150#(<= ULTIMATE.start_main_~k~5 130), 148151#(<= ULTIMATE.start_main_~k~5 131), 148148#(<= ULTIMATE.start_main_~k~5 128), 148149#(<= ULTIMATE.start_main_~k~5 129), 148154#(<= ULTIMATE.start_main_~k~5 134), 148155#(<= ULTIMATE.start_main_~k~5 135), 148152#(<= ULTIMATE.start_main_~k~5 132), 148153#(<= ULTIMATE.start_main_~k~5 133), 148158#(<= ULTIMATE.start_main_~k~5 138), 148159#(<= ULTIMATE.start_main_~k~5 139), 148156#(<= ULTIMATE.start_main_~k~5 136), 148157#(<= ULTIMATE.start_main_~k~5 137), 148162#(<= ULTIMATE.start_main_~k~5 142), 148163#(<= ULTIMATE.start_main_~k~5 143), 148160#(<= ULTIMATE.start_main_~k~5 140), 148161#(<= ULTIMATE.start_main_~k~5 141), 148166#(<= ULTIMATE.start_main_~k~5 146), 148167#(<= ULTIMATE.start_main_~k~5 147), 148164#(<= ULTIMATE.start_main_~k~5 144), 148165#(<= ULTIMATE.start_main_~k~5 145), 148170#(<= ULTIMATE.start_main_~k~5 150), 148171#(<= ULTIMATE.start_main_~k~5 151), 148168#(<= ULTIMATE.start_main_~k~5 148), 148169#(<= ULTIMATE.start_main_~k~5 149), 148174#(<= ULTIMATE.start_main_~k~5 154), 148175#(<= ULTIMATE.start_main_~k~5 155), 148172#(<= ULTIMATE.start_main_~k~5 152), 148173#(<= ULTIMATE.start_main_~k~5 153), 148178#(<= ULTIMATE.start_main_~k~5 158), 148179#(<= ULTIMATE.start_main_~k~5 159), 148176#(<= ULTIMATE.start_main_~k~5 156), 148177#(<= ULTIMATE.start_main_~k~5 157), 148182#(<= ULTIMATE.start_main_~k~5 162), 148183#(<= ULTIMATE.start_main_~k~5 163), 148180#(<= ULTIMATE.start_main_~k~5 160), 148181#(<= ULTIMATE.start_main_~k~5 161), 148186#(<= ULTIMATE.start_main_~k~5 166), 148187#(<= ULTIMATE.start_main_~k~5 167), 148184#(<= ULTIMATE.start_main_~k~5 164), 148185#(<= ULTIMATE.start_main_~k~5 165), 148190#(<= ULTIMATE.start_main_~k~5 170), 148191#(<= ULTIMATE.start_main_~k~5 171), 148188#(<= ULTIMATE.start_main_~k~5 168), 148189#(<= ULTIMATE.start_main_~k~5 169), 148194#(<= ULTIMATE.start_main_~k~5 174), 148195#(<= ULTIMATE.start_main_~k~5 175), 148192#(<= ULTIMATE.start_main_~k~5 172), 148193#(<= ULTIMATE.start_main_~k~5 173), 148198#(<= ULTIMATE.start_main_~k~5 178), 148196#(<= ULTIMATE.start_main_~k~5 176), 148197#(<= ULTIMATE.start_main_~k~5 177)] [2018-07-23 13:47:49,617 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 13:47:49,617 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:47:49,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:47:49,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:47:49,623 INFO L87 Difference]: Start difference. First operand 361 states and 361 transitions. Second operand 181 states. [2018-07-23 13:47:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:51,151 INFO L93 Difference]: Finished difference Result 365 states and 365 transitions. [2018-07-23 13:47:51,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:47:51,152 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 360 [2018-07-23 13:47:51,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:51,152 INFO L225 Difference]: With dead ends: 365 [2018-07-23 13:47:51,152 INFO L226 Difference]: Without dead ends: 363 [2018-07-23 13:47:51,155 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:47:51,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-07-23 13:47:51,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-07-23 13:47:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-07-23 13:47:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 363 transitions. [2018-07-23 13:47:51,160 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 363 transitions. Word has length 360 [2018-07-23 13:47:51,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:51,160 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 363 transitions. [2018-07-23 13:47:51,160 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:47:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 363 transitions. [2018-07-23 13:47:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-07-23 13:47:51,161 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:51,162 INFO L357 BasicCegarLoop]: trace histogram [180, 179, 1, 1, 1] [2018-07-23 13:47:51,162 INFO L414 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:51,162 INFO L82 PathProgramCache]: Analyzing trace with hash -158756523, now seen corresponding path program 179 times [2018-07-23 13:47:51,162 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:53,001 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 13:47:53,002 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:53,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:47:53,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:53,003 INFO L185 omatonBuilderFactory]: Interpolants [149762#(<= ULTIMATE.start_main_~k~5 105), 149763#(<= ULTIMATE.start_main_~k~5 106), 149760#(<= ULTIMATE.start_main_~k~5 103), 149761#(<= ULTIMATE.start_main_~k~5 104), 149766#(<= ULTIMATE.start_main_~k~5 109), 149767#(<= ULTIMATE.start_main_~k~5 110), 149764#(<= ULTIMATE.start_main_~k~5 107), 149765#(<= ULTIMATE.start_main_~k~5 108), 149770#(<= ULTIMATE.start_main_~k~5 113), 149771#(<= ULTIMATE.start_main_~k~5 114), 149768#(<= ULTIMATE.start_main_~k~5 111), 149769#(<= ULTIMATE.start_main_~k~5 112), 149774#(<= ULTIMATE.start_main_~k~5 117), 149775#(<= ULTIMATE.start_main_~k~5 118), 149772#(<= ULTIMATE.start_main_~k~5 115), 149773#(<= ULTIMATE.start_main_~k~5 116), 149778#(<= ULTIMATE.start_main_~k~5 121), 149779#(<= ULTIMATE.start_main_~k~5 122), 149776#(<= ULTIMATE.start_main_~k~5 119), 149777#(<= ULTIMATE.start_main_~k~5 120), 149782#(<= ULTIMATE.start_main_~k~5 125), 149783#(<= ULTIMATE.start_main_~k~5 126), 149780#(<= ULTIMATE.start_main_~k~5 123), 149781#(<= ULTIMATE.start_main_~k~5 124), 149786#(<= ULTIMATE.start_main_~k~5 129), 149787#(<= ULTIMATE.start_main_~k~5 130), 149784#(<= ULTIMATE.start_main_~k~5 127), 149785#(<= ULTIMATE.start_main_~k~5 128), 149790#(<= ULTIMATE.start_main_~k~5 133), 149791#(<= ULTIMATE.start_main_~k~5 134), 149788#(<= ULTIMATE.start_main_~k~5 131), 149789#(<= ULTIMATE.start_main_~k~5 132), 149794#(<= ULTIMATE.start_main_~k~5 137), 149795#(<= ULTIMATE.start_main_~k~5 138), 149792#(<= ULTIMATE.start_main_~k~5 135), 149793#(<= ULTIMATE.start_main_~k~5 136), 149798#(<= ULTIMATE.start_main_~k~5 141), 149799#(<= ULTIMATE.start_main_~k~5 142), 149796#(<= ULTIMATE.start_main_~k~5 139), 149797#(<= ULTIMATE.start_main_~k~5 140), 149802#(<= ULTIMATE.start_main_~k~5 145), 149803#(<= ULTIMATE.start_main_~k~5 146), 149800#(<= ULTIMATE.start_main_~k~5 143), 149801#(<= ULTIMATE.start_main_~k~5 144), 149806#(<= ULTIMATE.start_main_~k~5 149), 149807#(<= ULTIMATE.start_main_~k~5 150), 149804#(<= ULTIMATE.start_main_~k~5 147), 149805#(<= ULTIMATE.start_main_~k~5 148), 149810#(<= ULTIMATE.start_main_~k~5 153), 149811#(<= ULTIMATE.start_main_~k~5 154), 149808#(<= ULTIMATE.start_main_~k~5 151), 149809#(<= ULTIMATE.start_main_~k~5 152), 149814#(<= ULTIMATE.start_main_~k~5 157), 149815#(<= ULTIMATE.start_main_~k~5 158), 149812#(<= ULTIMATE.start_main_~k~5 155), 149813#(<= ULTIMATE.start_main_~k~5 156), 149818#(<= ULTIMATE.start_main_~k~5 161), 149819#(<= ULTIMATE.start_main_~k~5 162), 149816#(<= ULTIMATE.start_main_~k~5 159), 149817#(<= ULTIMATE.start_main_~k~5 160), 149822#(<= ULTIMATE.start_main_~k~5 165), 149823#(<= ULTIMATE.start_main_~k~5 166), 149820#(<= ULTIMATE.start_main_~k~5 163), 149821#(<= ULTIMATE.start_main_~k~5 164), 149826#(<= ULTIMATE.start_main_~k~5 169), 149827#(<= ULTIMATE.start_main_~k~5 170), 149824#(<= ULTIMATE.start_main_~k~5 167), 149825#(<= ULTIMATE.start_main_~k~5 168), 149830#(<= ULTIMATE.start_main_~k~5 173), 149831#(<= ULTIMATE.start_main_~k~5 174), 149828#(<= ULTIMATE.start_main_~k~5 171), 149829#(<= ULTIMATE.start_main_~k~5 172), 149834#(<= ULTIMATE.start_main_~k~5 177), 149835#(<= ULTIMATE.start_main_~k~5 178), 149832#(<= ULTIMATE.start_main_~k~5 175), 149833#(<= ULTIMATE.start_main_~k~5 176), 149836#(<= ULTIMATE.start_main_~k~5 179), 149655#true, 149658#(<= ULTIMATE.start_main_~k~5 1), 149659#(<= ULTIMATE.start_main_~k~5 2), 149656#false, 149657#(<= ULTIMATE.start_main_~k~5 0), 149662#(<= ULTIMATE.start_main_~k~5 5), 149663#(<= ULTIMATE.start_main_~k~5 6), 149660#(<= ULTIMATE.start_main_~k~5 3), 149661#(<= ULTIMATE.start_main_~k~5 4), 149666#(<= ULTIMATE.start_main_~k~5 9), 149667#(<= ULTIMATE.start_main_~k~5 10), 149664#(<= ULTIMATE.start_main_~k~5 7), 149665#(<= ULTIMATE.start_main_~k~5 8), 149670#(<= ULTIMATE.start_main_~k~5 13), 149671#(<= ULTIMATE.start_main_~k~5 14), 149668#(<= ULTIMATE.start_main_~k~5 11), 149669#(<= ULTIMATE.start_main_~k~5 12), 149674#(<= ULTIMATE.start_main_~k~5 17), 149675#(<= ULTIMATE.start_main_~k~5 18), 149672#(<= ULTIMATE.start_main_~k~5 15), 149673#(<= ULTIMATE.start_main_~k~5 16), 149678#(<= ULTIMATE.start_main_~k~5 21), 149679#(<= ULTIMATE.start_main_~k~5 22), 149676#(<= ULTIMATE.start_main_~k~5 19), 149677#(<= ULTIMATE.start_main_~k~5 20), 149682#(<= ULTIMATE.start_main_~k~5 25), 149683#(<= ULTIMATE.start_main_~k~5 26), 149680#(<= ULTIMATE.start_main_~k~5 23), 149681#(<= ULTIMATE.start_main_~k~5 24), 149686#(<= ULTIMATE.start_main_~k~5 29), 149687#(<= ULTIMATE.start_main_~k~5 30), 149684#(<= ULTIMATE.start_main_~k~5 27), 149685#(<= ULTIMATE.start_main_~k~5 28), 149690#(<= ULTIMATE.start_main_~k~5 33), 149691#(<= ULTIMATE.start_main_~k~5 34), 149688#(<= ULTIMATE.start_main_~k~5 31), 149689#(<= ULTIMATE.start_main_~k~5 32), 149694#(<= ULTIMATE.start_main_~k~5 37), 149695#(<= ULTIMATE.start_main_~k~5 38), 149692#(<= ULTIMATE.start_main_~k~5 35), 149693#(<= ULTIMATE.start_main_~k~5 36), 149698#(<= ULTIMATE.start_main_~k~5 41), 149699#(<= ULTIMATE.start_main_~k~5 42), 149696#(<= ULTIMATE.start_main_~k~5 39), 149697#(<= ULTIMATE.start_main_~k~5 40), 149702#(<= ULTIMATE.start_main_~k~5 45), 149703#(<= ULTIMATE.start_main_~k~5 46), 149700#(<= ULTIMATE.start_main_~k~5 43), 149701#(<= ULTIMATE.start_main_~k~5 44), 149706#(<= ULTIMATE.start_main_~k~5 49), 149707#(<= ULTIMATE.start_main_~k~5 50), 149704#(<= ULTIMATE.start_main_~k~5 47), 149705#(<= ULTIMATE.start_main_~k~5 48), 149710#(<= ULTIMATE.start_main_~k~5 53), 149711#(<= ULTIMATE.start_main_~k~5 54), 149708#(<= ULTIMATE.start_main_~k~5 51), 149709#(<= ULTIMATE.start_main_~k~5 52), 149714#(<= ULTIMATE.start_main_~k~5 57), 149715#(<= ULTIMATE.start_main_~k~5 58), 149712#(<= ULTIMATE.start_main_~k~5 55), 149713#(<= ULTIMATE.start_main_~k~5 56), 149718#(<= ULTIMATE.start_main_~k~5 61), 149719#(<= ULTIMATE.start_main_~k~5 62), 149716#(<= ULTIMATE.start_main_~k~5 59), 149717#(<= ULTIMATE.start_main_~k~5 60), 149722#(<= ULTIMATE.start_main_~k~5 65), 149723#(<= ULTIMATE.start_main_~k~5 66), 149720#(<= ULTIMATE.start_main_~k~5 63), 149721#(<= ULTIMATE.start_main_~k~5 64), 149726#(<= ULTIMATE.start_main_~k~5 69), 149727#(<= ULTIMATE.start_main_~k~5 70), 149724#(<= ULTIMATE.start_main_~k~5 67), 149725#(<= ULTIMATE.start_main_~k~5 68), 149730#(<= ULTIMATE.start_main_~k~5 73), 149731#(<= ULTIMATE.start_main_~k~5 74), 149728#(<= ULTIMATE.start_main_~k~5 71), 149729#(<= ULTIMATE.start_main_~k~5 72), 149734#(<= ULTIMATE.start_main_~k~5 77), 149735#(<= ULTIMATE.start_main_~k~5 78), 149732#(<= ULTIMATE.start_main_~k~5 75), 149733#(<= ULTIMATE.start_main_~k~5 76), 149738#(<= ULTIMATE.start_main_~k~5 81), 149739#(<= ULTIMATE.start_main_~k~5 82), 149736#(<= ULTIMATE.start_main_~k~5 79), 149737#(<= ULTIMATE.start_main_~k~5 80), 149742#(<= ULTIMATE.start_main_~k~5 85), 149743#(<= ULTIMATE.start_main_~k~5 86), 149740#(<= ULTIMATE.start_main_~k~5 83), 149741#(<= ULTIMATE.start_main_~k~5 84), 149746#(<= ULTIMATE.start_main_~k~5 89), 149747#(<= ULTIMATE.start_main_~k~5 90), 149744#(<= ULTIMATE.start_main_~k~5 87), 149745#(<= ULTIMATE.start_main_~k~5 88), 149750#(<= ULTIMATE.start_main_~k~5 93), 149751#(<= ULTIMATE.start_main_~k~5 94), 149748#(<= ULTIMATE.start_main_~k~5 91), 149749#(<= ULTIMATE.start_main_~k~5 92), 149754#(<= ULTIMATE.start_main_~k~5 97), 149755#(<= ULTIMATE.start_main_~k~5 98), 149752#(<= ULTIMATE.start_main_~k~5 95), 149753#(<= ULTIMATE.start_main_~k~5 96), 149758#(<= ULTIMATE.start_main_~k~5 101), 149759#(<= ULTIMATE.start_main_~k~5 102), 149756#(<= ULTIMATE.start_main_~k~5 99), 149757#(<= ULTIMATE.start_main_~k~5 100)] [2018-07-23 13:47:53,004 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 13:47:53,004 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:47:53,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:47:53,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:47:53,010 INFO L87 Difference]: Start difference. First operand 363 states and 363 transitions. Second operand 182 states. [2018-07-23 13:47:53,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:53,458 INFO L93 Difference]: Finished difference Result 367 states and 367 transitions. [2018-07-23 13:47:53,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:47:53,458 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 362 [2018-07-23 13:47:53,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:53,459 INFO L225 Difference]: With dead ends: 367 [2018-07-23 13:47:53,459 INFO L226 Difference]: Without dead ends: 365 [2018-07-23 13:47:53,460 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 13:47:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-07-23 13:47:53,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2018-07-23 13:47:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-07-23 13:47:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 365 transitions. [2018-07-23 13:47:53,464 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 365 transitions. Word has length 362 [2018-07-23 13:47:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:53,464 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 365 transitions. [2018-07-23 13:47:53,464 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:47:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 365 transitions. [2018-07-23 13:47:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-07-23 13:47:53,465 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:53,465 INFO L357 BasicCegarLoop]: trace histogram [181, 180, 1, 1, 1] [2018-07-23 13:47:53,465 INFO L414 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:53,466 INFO L82 PathProgramCache]: Analyzing trace with hash 2053856143, now seen corresponding path program 180 times [2018-07-23 13:47:53,466 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:55,290 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 13:47:55,290 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:55,290 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:47:55,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:55,291 INFO L185 omatonBuilderFactory]: Interpolants [151302#false, 151303#(<= ULTIMATE.start_main_~k~5 0), 151301#true, 151306#(<= ULTIMATE.start_main_~k~5 3), 151307#(<= ULTIMATE.start_main_~k~5 4), 151304#(<= ULTIMATE.start_main_~k~5 1), 151305#(<= ULTIMATE.start_main_~k~5 2), 151310#(<= ULTIMATE.start_main_~k~5 7), 151311#(<= ULTIMATE.start_main_~k~5 8), 151308#(<= ULTIMATE.start_main_~k~5 5), 151309#(<= ULTIMATE.start_main_~k~5 6), 151314#(<= ULTIMATE.start_main_~k~5 11), 151315#(<= ULTIMATE.start_main_~k~5 12), 151312#(<= ULTIMATE.start_main_~k~5 9), 151313#(<= ULTIMATE.start_main_~k~5 10), 151318#(<= ULTIMATE.start_main_~k~5 15), 151319#(<= ULTIMATE.start_main_~k~5 16), 151316#(<= ULTIMATE.start_main_~k~5 13), 151317#(<= ULTIMATE.start_main_~k~5 14), 151322#(<= ULTIMATE.start_main_~k~5 19), 151323#(<= ULTIMATE.start_main_~k~5 20), 151320#(<= ULTIMATE.start_main_~k~5 17), 151321#(<= ULTIMATE.start_main_~k~5 18), 151326#(<= ULTIMATE.start_main_~k~5 23), 151327#(<= ULTIMATE.start_main_~k~5 24), 151324#(<= ULTIMATE.start_main_~k~5 21), 151325#(<= ULTIMATE.start_main_~k~5 22), 151330#(<= ULTIMATE.start_main_~k~5 27), 151331#(<= ULTIMATE.start_main_~k~5 28), 151328#(<= ULTIMATE.start_main_~k~5 25), 151329#(<= ULTIMATE.start_main_~k~5 26), 151334#(<= ULTIMATE.start_main_~k~5 31), 151335#(<= ULTIMATE.start_main_~k~5 32), 151332#(<= ULTIMATE.start_main_~k~5 29), 151333#(<= ULTIMATE.start_main_~k~5 30), 151338#(<= ULTIMATE.start_main_~k~5 35), 151339#(<= ULTIMATE.start_main_~k~5 36), 151336#(<= ULTIMATE.start_main_~k~5 33), 151337#(<= ULTIMATE.start_main_~k~5 34), 151342#(<= ULTIMATE.start_main_~k~5 39), 151343#(<= ULTIMATE.start_main_~k~5 40), 151340#(<= ULTIMATE.start_main_~k~5 37), 151341#(<= ULTIMATE.start_main_~k~5 38), 151346#(<= ULTIMATE.start_main_~k~5 43), 151347#(<= ULTIMATE.start_main_~k~5 44), 151344#(<= ULTIMATE.start_main_~k~5 41), 151345#(<= ULTIMATE.start_main_~k~5 42), 151350#(<= ULTIMATE.start_main_~k~5 47), 151351#(<= ULTIMATE.start_main_~k~5 48), 151348#(<= ULTIMATE.start_main_~k~5 45), 151349#(<= ULTIMATE.start_main_~k~5 46), 151354#(<= ULTIMATE.start_main_~k~5 51), 151355#(<= ULTIMATE.start_main_~k~5 52), 151352#(<= ULTIMATE.start_main_~k~5 49), 151353#(<= ULTIMATE.start_main_~k~5 50), 151358#(<= ULTIMATE.start_main_~k~5 55), 151359#(<= ULTIMATE.start_main_~k~5 56), 151356#(<= ULTIMATE.start_main_~k~5 53), 151357#(<= ULTIMATE.start_main_~k~5 54), 151362#(<= ULTIMATE.start_main_~k~5 59), 151363#(<= ULTIMATE.start_main_~k~5 60), 151360#(<= ULTIMATE.start_main_~k~5 57), 151361#(<= ULTIMATE.start_main_~k~5 58), 151366#(<= ULTIMATE.start_main_~k~5 63), 151367#(<= ULTIMATE.start_main_~k~5 64), 151364#(<= ULTIMATE.start_main_~k~5 61), 151365#(<= ULTIMATE.start_main_~k~5 62), 151370#(<= ULTIMATE.start_main_~k~5 67), 151371#(<= ULTIMATE.start_main_~k~5 68), 151368#(<= ULTIMATE.start_main_~k~5 65), 151369#(<= ULTIMATE.start_main_~k~5 66), 151374#(<= ULTIMATE.start_main_~k~5 71), 151375#(<= ULTIMATE.start_main_~k~5 72), 151372#(<= ULTIMATE.start_main_~k~5 69), 151373#(<= ULTIMATE.start_main_~k~5 70), 151378#(<= ULTIMATE.start_main_~k~5 75), 151379#(<= ULTIMATE.start_main_~k~5 76), 151376#(<= ULTIMATE.start_main_~k~5 73), 151377#(<= ULTIMATE.start_main_~k~5 74), 151382#(<= ULTIMATE.start_main_~k~5 79), 151383#(<= ULTIMATE.start_main_~k~5 80), 151380#(<= ULTIMATE.start_main_~k~5 77), 151381#(<= ULTIMATE.start_main_~k~5 78), 151386#(<= ULTIMATE.start_main_~k~5 83), 151387#(<= ULTIMATE.start_main_~k~5 84), 151384#(<= ULTIMATE.start_main_~k~5 81), 151385#(<= ULTIMATE.start_main_~k~5 82), 151390#(<= ULTIMATE.start_main_~k~5 87), 151391#(<= ULTIMATE.start_main_~k~5 88), 151388#(<= ULTIMATE.start_main_~k~5 85), 151389#(<= ULTIMATE.start_main_~k~5 86), 151394#(<= ULTIMATE.start_main_~k~5 91), 151395#(<= ULTIMATE.start_main_~k~5 92), 151392#(<= ULTIMATE.start_main_~k~5 89), 151393#(<= ULTIMATE.start_main_~k~5 90), 151398#(<= ULTIMATE.start_main_~k~5 95), 151399#(<= ULTIMATE.start_main_~k~5 96), 151396#(<= ULTIMATE.start_main_~k~5 93), 151397#(<= ULTIMATE.start_main_~k~5 94), 151402#(<= ULTIMATE.start_main_~k~5 99), 151403#(<= ULTIMATE.start_main_~k~5 100), 151400#(<= ULTIMATE.start_main_~k~5 97), 151401#(<= ULTIMATE.start_main_~k~5 98), 151406#(<= ULTIMATE.start_main_~k~5 103), 151407#(<= ULTIMATE.start_main_~k~5 104), 151404#(<= ULTIMATE.start_main_~k~5 101), 151405#(<= ULTIMATE.start_main_~k~5 102), 151410#(<= ULTIMATE.start_main_~k~5 107), 151411#(<= ULTIMATE.start_main_~k~5 108), 151408#(<= ULTIMATE.start_main_~k~5 105), 151409#(<= ULTIMATE.start_main_~k~5 106), 151414#(<= ULTIMATE.start_main_~k~5 111), 151415#(<= ULTIMATE.start_main_~k~5 112), 151412#(<= ULTIMATE.start_main_~k~5 109), 151413#(<= ULTIMATE.start_main_~k~5 110), 151418#(<= ULTIMATE.start_main_~k~5 115), 151419#(<= ULTIMATE.start_main_~k~5 116), 151416#(<= ULTIMATE.start_main_~k~5 113), 151417#(<= ULTIMATE.start_main_~k~5 114), 151422#(<= ULTIMATE.start_main_~k~5 119), 151423#(<= ULTIMATE.start_main_~k~5 120), 151420#(<= ULTIMATE.start_main_~k~5 117), 151421#(<= ULTIMATE.start_main_~k~5 118), 151426#(<= ULTIMATE.start_main_~k~5 123), 151427#(<= ULTIMATE.start_main_~k~5 124), 151424#(<= ULTIMATE.start_main_~k~5 121), 151425#(<= ULTIMATE.start_main_~k~5 122), 151430#(<= ULTIMATE.start_main_~k~5 127), 151431#(<= ULTIMATE.start_main_~k~5 128), 151428#(<= ULTIMATE.start_main_~k~5 125), 151429#(<= ULTIMATE.start_main_~k~5 126), 151434#(<= ULTIMATE.start_main_~k~5 131), 151435#(<= ULTIMATE.start_main_~k~5 132), 151432#(<= ULTIMATE.start_main_~k~5 129), 151433#(<= ULTIMATE.start_main_~k~5 130), 151438#(<= ULTIMATE.start_main_~k~5 135), 151439#(<= ULTIMATE.start_main_~k~5 136), 151436#(<= ULTIMATE.start_main_~k~5 133), 151437#(<= ULTIMATE.start_main_~k~5 134), 151442#(<= ULTIMATE.start_main_~k~5 139), 151443#(<= ULTIMATE.start_main_~k~5 140), 151440#(<= ULTIMATE.start_main_~k~5 137), 151441#(<= ULTIMATE.start_main_~k~5 138), 151446#(<= ULTIMATE.start_main_~k~5 143), 151447#(<= ULTIMATE.start_main_~k~5 144), 151444#(<= ULTIMATE.start_main_~k~5 141), 151445#(<= ULTIMATE.start_main_~k~5 142), 151450#(<= ULTIMATE.start_main_~k~5 147), 151451#(<= ULTIMATE.start_main_~k~5 148), 151448#(<= ULTIMATE.start_main_~k~5 145), 151449#(<= ULTIMATE.start_main_~k~5 146), 151454#(<= ULTIMATE.start_main_~k~5 151), 151455#(<= ULTIMATE.start_main_~k~5 152), 151452#(<= ULTIMATE.start_main_~k~5 149), 151453#(<= ULTIMATE.start_main_~k~5 150), 151458#(<= ULTIMATE.start_main_~k~5 155), 151459#(<= ULTIMATE.start_main_~k~5 156), 151456#(<= ULTIMATE.start_main_~k~5 153), 151457#(<= ULTIMATE.start_main_~k~5 154), 151462#(<= ULTIMATE.start_main_~k~5 159), 151463#(<= ULTIMATE.start_main_~k~5 160), 151460#(<= ULTIMATE.start_main_~k~5 157), 151461#(<= ULTIMATE.start_main_~k~5 158), 151466#(<= ULTIMATE.start_main_~k~5 163), 151467#(<= ULTIMATE.start_main_~k~5 164), 151464#(<= ULTIMATE.start_main_~k~5 161), 151465#(<= ULTIMATE.start_main_~k~5 162), 151470#(<= ULTIMATE.start_main_~k~5 167), 151471#(<= ULTIMATE.start_main_~k~5 168), 151468#(<= ULTIMATE.start_main_~k~5 165), 151469#(<= ULTIMATE.start_main_~k~5 166), 151474#(<= ULTIMATE.start_main_~k~5 171), 151475#(<= ULTIMATE.start_main_~k~5 172), 151472#(<= ULTIMATE.start_main_~k~5 169), 151473#(<= ULTIMATE.start_main_~k~5 170), 151478#(<= ULTIMATE.start_main_~k~5 175), 151479#(<= ULTIMATE.start_main_~k~5 176), 151476#(<= ULTIMATE.start_main_~k~5 173), 151477#(<= ULTIMATE.start_main_~k~5 174), 151482#(<= ULTIMATE.start_main_~k~5 179), 151483#(<= ULTIMATE.start_main_~k~5 180), 151480#(<= ULTIMATE.start_main_~k~5 177), 151481#(<= ULTIMATE.start_main_~k~5 178)] [2018-07-23 13:47:55,293 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 13:47:55,293 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:47:55,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:47:55,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:47:55,297 INFO L87 Difference]: Start difference. First operand 365 states and 365 transitions. Second operand 183 states. [2018-07-23 13:47:57,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:57,241 INFO L93 Difference]: Finished difference Result 369 states and 369 transitions. [2018-07-23 13:47:57,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:47:57,242 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 364 [2018-07-23 13:47:57,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:57,242 INFO L225 Difference]: With dead ends: 369 [2018-07-23 13:47:57,242 INFO L226 Difference]: Without dead ends: 367 [2018-07-23 13:47:57,246 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:47:57,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-07-23 13:47:57,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-07-23 13:47:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-07-23 13:47:57,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 367 transitions. [2018-07-23 13:47:57,250 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 367 transitions. Word has length 364 [2018-07-23 13:47:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:57,250 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 367 transitions. [2018-07-23 13:47:57,250 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:47:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 367 transitions. [2018-07-23 13:47:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-07-23 13:47:57,251 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:57,251 INFO L357 BasicCegarLoop]: trace histogram [182, 181, 1, 1, 1] [2018-07-23 13:47:57,252 INFO L414 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:57,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1929150647, now seen corresponding path program 181 times [2018-07-23 13:47:57,252 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:59,143 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 13:47:59,144 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:59,144 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:47:59,144 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:59,145 INFO L185 omatonBuilderFactory]: Interpolants [153090#(<= ULTIMATE.start_main_~k~5 132), 153091#(<= ULTIMATE.start_main_~k~5 133), 153088#(<= ULTIMATE.start_main_~k~5 130), 153089#(<= ULTIMATE.start_main_~k~5 131), 153094#(<= ULTIMATE.start_main_~k~5 136), 153095#(<= ULTIMATE.start_main_~k~5 137), 153092#(<= ULTIMATE.start_main_~k~5 134), 153093#(<= ULTIMATE.start_main_~k~5 135), 153098#(<= ULTIMATE.start_main_~k~5 140), 153099#(<= ULTIMATE.start_main_~k~5 141), 153096#(<= ULTIMATE.start_main_~k~5 138), 153097#(<= ULTIMATE.start_main_~k~5 139), 153102#(<= ULTIMATE.start_main_~k~5 144), 153103#(<= ULTIMATE.start_main_~k~5 145), 153100#(<= ULTIMATE.start_main_~k~5 142), 153101#(<= ULTIMATE.start_main_~k~5 143), 153106#(<= ULTIMATE.start_main_~k~5 148), 153107#(<= ULTIMATE.start_main_~k~5 149), 153104#(<= ULTIMATE.start_main_~k~5 146), 153105#(<= ULTIMATE.start_main_~k~5 147), 153110#(<= ULTIMATE.start_main_~k~5 152), 153111#(<= ULTIMATE.start_main_~k~5 153), 153108#(<= ULTIMATE.start_main_~k~5 150), 153109#(<= ULTIMATE.start_main_~k~5 151), 153114#(<= ULTIMATE.start_main_~k~5 156), 153115#(<= ULTIMATE.start_main_~k~5 157), 153112#(<= ULTIMATE.start_main_~k~5 154), 153113#(<= ULTIMATE.start_main_~k~5 155), 153118#(<= ULTIMATE.start_main_~k~5 160), 153119#(<= ULTIMATE.start_main_~k~5 161), 153116#(<= ULTIMATE.start_main_~k~5 158), 153117#(<= ULTIMATE.start_main_~k~5 159), 153122#(<= ULTIMATE.start_main_~k~5 164), 153123#(<= ULTIMATE.start_main_~k~5 165), 153120#(<= ULTIMATE.start_main_~k~5 162), 153121#(<= ULTIMATE.start_main_~k~5 163), 153126#(<= ULTIMATE.start_main_~k~5 168), 153127#(<= ULTIMATE.start_main_~k~5 169), 153124#(<= ULTIMATE.start_main_~k~5 166), 153125#(<= ULTIMATE.start_main_~k~5 167), 153130#(<= ULTIMATE.start_main_~k~5 172), 153131#(<= ULTIMATE.start_main_~k~5 173), 153128#(<= ULTIMATE.start_main_~k~5 170), 153129#(<= ULTIMATE.start_main_~k~5 171), 153134#(<= ULTIMATE.start_main_~k~5 176), 153135#(<= ULTIMATE.start_main_~k~5 177), 153132#(<= ULTIMATE.start_main_~k~5 174), 153133#(<= ULTIMATE.start_main_~k~5 175), 153138#(<= ULTIMATE.start_main_~k~5 180), 153139#(<= ULTIMATE.start_main_~k~5 181), 153136#(<= ULTIMATE.start_main_~k~5 178), 153137#(<= ULTIMATE.start_main_~k~5 179), 152958#(<= ULTIMATE.start_main_~k~5 0), 152959#(<= ULTIMATE.start_main_~k~5 1), 152956#true, 152957#false, 152962#(<= ULTIMATE.start_main_~k~5 4), 152963#(<= ULTIMATE.start_main_~k~5 5), 152960#(<= ULTIMATE.start_main_~k~5 2), 152961#(<= ULTIMATE.start_main_~k~5 3), 152966#(<= ULTIMATE.start_main_~k~5 8), 152967#(<= ULTIMATE.start_main_~k~5 9), 152964#(<= ULTIMATE.start_main_~k~5 6), 152965#(<= ULTIMATE.start_main_~k~5 7), 152970#(<= ULTIMATE.start_main_~k~5 12), 152971#(<= ULTIMATE.start_main_~k~5 13), 152968#(<= ULTIMATE.start_main_~k~5 10), 152969#(<= ULTIMATE.start_main_~k~5 11), 152974#(<= ULTIMATE.start_main_~k~5 16), 152975#(<= ULTIMATE.start_main_~k~5 17), 152972#(<= ULTIMATE.start_main_~k~5 14), 152973#(<= ULTIMATE.start_main_~k~5 15), 152978#(<= ULTIMATE.start_main_~k~5 20), 152979#(<= ULTIMATE.start_main_~k~5 21), 152976#(<= ULTIMATE.start_main_~k~5 18), 152977#(<= ULTIMATE.start_main_~k~5 19), 152982#(<= ULTIMATE.start_main_~k~5 24), 152983#(<= ULTIMATE.start_main_~k~5 25), 152980#(<= ULTIMATE.start_main_~k~5 22), 152981#(<= ULTIMATE.start_main_~k~5 23), 152986#(<= ULTIMATE.start_main_~k~5 28), 152987#(<= ULTIMATE.start_main_~k~5 29), 152984#(<= ULTIMATE.start_main_~k~5 26), 152985#(<= ULTIMATE.start_main_~k~5 27), 152990#(<= ULTIMATE.start_main_~k~5 32), 152991#(<= ULTIMATE.start_main_~k~5 33), 152988#(<= ULTIMATE.start_main_~k~5 30), 152989#(<= ULTIMATE.start_main_~k~5 31), 152994#(<= ULTIMATE.start_main_~k~5 36), 152995#(<= ULTIMATE.start_main_~k~5 37), 152992#(<= ULTIMATE.start_main_~k~5 34), 152993#(<= ULTIMATE.start_main_~k~5 35), 152998#(<= ULTIMATE.start_main_~k~5 40), 152999#(<= ULTIMATE.start_main_~k~5 41), 152996#(<= ULTIMATE.start_main_~k~5 38), 152997#(<= ULTIMATE.start_main_~k~5 39), 153002#(<= ULTIMATE.start_main_~k~5 44), 153003#(<= ULTIMATE.start_main_~k~5 45), 153000#(<= ULTIMATE.start_main_~k~5 42), 153001#(<= ULTIMATE.start_main_~k~5 43), 153006#(<= ULTIMATE.start_main_~k~5 48), 153007#(<= ULTIMATE.start_main_~k~5 49), 153004#(<= ULTIMATE.start_main_~k~5 46), 153005#(<= ULTIMATE.start_main_~k~5 47), 153010#(<= ULTIMATE.start_main_~k~5 52), 153011#(<= ULTIMATE.start_main_~k~5 53), 153008#(<= ULTIMATE.start_main_~k~5 50), 153009#(<= ULTIMATE.start_main_~k~5 51), 153014#(<= ULTIMATE.start_main_~k~5 56), 153015#(<= ULTIMATE.start_main_~k~5 57), 153012#(<= ULTIMATE.start_main_~k~5 54), 153013#(<= ULTIMATE.start_main_~k~5 55), 153018#(<= ULTIMATE.start_main_~k~5 60), 153019#(<= ULTIMATE.start_main_~k~5 61), 153016#(<= ULTIMATE.start_main_~k~5 58), 153017#(<= ULTIMATE.start_main_~k~5 59), 153022#(<= ULTIMATE.start_main_~k~5 64), 153023#(<= ULTIMATE.start_main_~k~5 65), 153020#(<= ULTIMATE.start_main_~k~5 62), 153021#(<= ULTIMATE.start_main_~k~5 63), 153026#(<= ULTIMATE.start_main_~k~5 68), 153027#(<= ULTIMATE.start_main_~k~5 69), 153024#(<= ULTIMATE.start_main_~k~5 66), 153025#(<= ULTIMATE.start_main_~k~5 67), 153030#(<= ULTIMATE.start_main_~k~5 72), 153031#(<= ULTIMATE.start_main_~k~5 73), 153028#(<= ULTIMATE.start_main_~k~5 70), 153029#(<= ULTIMATE.start_main_~k~5 71), 153034#(<= ULTIMATE.start_main_~k~5 76), 153035#(<= ULTIMATE.start_main_~k~5 77), 153032#(<= ULTIMATE.start_main_~k~5 74), 153033#(<= ULTIMATE.start_main_~k~5 75), 153038#(<= ULTIMATE.start_main_~k~5 80), 153039#(<= ULTIMATE.start_main_~k~5 81), 153036#(<= ULTIMATE.start_main_~k~5 78), 153037#(<= ULTIMATE.start_main_~k~5 79), 153042#(<= ULTIMATE.start_main_~k~5 84), 153043#(<= ULTIMATE.start_main_~k~5 85), 153040#(<= ULTIMATE.start_main_~k~5 82), 153041#(<= ULTIMATE.start_main_~k~5 83), 153046#(<= ULTIMATE.start_main_~k~5 88), 153047#(<= ULTIMATE.start_main_~k~5 89), 153044#(<= ULTIMATE.start_main_~k~5 86), 153045#(<= ULTIMATE.start_main_~k~5 87), 153050#(<= ULTIMATE.start_main_~k~5 92), 153051#(<= ULTIMATE.start_main_~k~5 93), 153048#(<= ULTIMATE.start_main_~k~5 90), 153049#(<= ULTIMATE.start_main_~k~5 91), 153054#(<= ULTIMATE.start_main_~k~5 96), 153055#(<= ULTIMATE.start_main_~k~5 97), 153052#(<= ULTIMATE.start_main_~k~5 94), 153053#(<= ULTIMATE.start_main_~k~5 95), 153058#(<= ULTIMATE.start_main_~k~5 100), 153059#(<= ULTIMATE.start_main_~k~5 101), 153056#(<= ULTIMATE.start_main_~k~5 98), 153057#(<= ULTIMATE.start_main_~k~5 99), 153062#(<= ULTIMATE.start_main_~k~5 104), 153063#(<= ULTIMATE.start_main_~k~5 105), 153060#(<= ULTIMATE.start_main_~k~5 102), 153061#(<= ULTIMATE.start_main_~k~5 103), 153066#(<= ULTIMATE.start_main_~k~5 108), 153067#(<= ULTIMATE.start_main_~k~5 109), 153064#(<= ULTIMATE.start_main_~k~5 106), 153065#(<= ULTIMATE.start_main_~k~5 107), 153070#(<= ULTIMATE.start_main_~k~5 112), 153071#(<= ULTIMATE.start_main_~k~5 113), 153068#(<= ULTIMATE.start_main_~k~5 110), 153069#(<= ULTIMATE.start_main_~k~5 111), 153074#(<= ULTIMATE.start_main_~k~5 116), 153075#(<= ULTIMATE.start_main_~k~5 117), 153072#(<= ULTIMATE.start_main_~k~5 114), 153073#(<= ULTIMATE.start_main_~k~5 115), 153078#(<= ULTIMATE.start_main_~k~5 120), 153079#(<= ULTIMATE.start_main_~k~5 121), 153076#(<= ULTIMATE.start_main_~k~5 118), 153077#(<= ULTIMATE.start_main_~k~5 119), 153082#(<= ULTIMATE.start_main_~k~5 124), 153083#(<= ULTIMATE.start_main_~k~5 125), 153080#(<= ULTIMATE.start_main_~k~5 122), 153081#(<= ULTIMATE.start_main_~k~5 123), 153086#(<= ULTIMATE.start_main_~k~5 128), 153087#(<= ULTIMATE.start_main_~k~5 129), 153084#(<= ULTIMATE.start_main_~k~5 126), 153085#(<= ULTIMATE.start_main_~k~5 127)] [2018-07-23 13:47:59,146 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 13:47:59,147 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:47:59,149 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:47:59,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:47:59,150 INFO L87 Difference]: Start difference. First operand 367 states and 367 transitions. Second operand 184 states. [2018-07-23 13:47:59,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:59,838 INFO L93 Difference]: Finished difference Result 371 states and 371 transitions. [2018-07-23 13:47:59,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:47:59,838 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 366 [2018-07-23 13:47:59,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:59,839 INFO L225 Difference]: With dead ends: 371 [2018-07-23 13:47:59,839 INFO L226 Difference]: Without dead ends: 369 [2018-07-23 13:47:59,841 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:47:59,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-07-23 13:47:59,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2018-07-23 13:47:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-07-23 13:47:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 369 transitions. [2018-07-23 13:47:59,845 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 369 transitions. Word has length 366 [2018-07-23 13:47:59,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:59,845 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 369 transitions. [2018-07-23 13:47:59,845 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:47:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 369 transitions. [2018-07-23 13:47:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-07-23 13:47:59,846 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:59,847 INFO L357 BasicCegarLoop]: trace histogram [183, 182, 1, 1, 1] [2018-07-23 13:47:59,847 INFO L414 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:59,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1512152195, now seen corresponding path program 182 times [2018-07-23 13:47:59,847 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:01,710 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 13:48:01,710 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:01,710 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:48:01,710 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:01,711 INFO L185 omatonBuilderFactory]: Interpolants [154626#(<= ULTIMATE.start_main_~k~5 4), 154627#(<= ULTIMATE.start_main_~k~5 5), 154624#(<= ULTIMATE.start_main_~k~5 2), 154625#(<= ULTIMATE.start_main_~k~5 3), 154630#(<= ULTIMATE.start_main_~k~5 8), 154631#(<= ULTIMATE.start_main_~k~5 9), 154628#(<= ULTIMATE.start_main_~k~5 6), 154629#(<= ULTIMATE.start_main_~k~5 7), 154634#(<= ULTIMATE.start_main_~k~5 12), 154635#(<= ULTIMATE.start_main_~k~5 13), 154632#(<= ULTIMATE.start_main_~k~5 10), 154633#(<= ULTIMATE.start_main_~k~5 11), 154638#(<= ULTIMATE.start_main_~k~5 16), 154639#(<= ULTIMATE.start_main_~k~5 17), 154636#(<= ULTIMATE.start_main_~k~5 14), 154637#(<= ULTIMATE.start_main_~k~5 15), 154642#(<= ULTIMATE.start_main_~k~5 20), 154643#(<= ULTIMATE.start_main_~k~5 21), 154640#(<= ULTIMATE.start_main_~k~5 18), 154641#(<= ULTIMATE.start_main_~k~5 19), 154646#(<= ULTIMATE.start_main_~k~5 24), 154647#(<= ULTIMATE.start_main_~k~5 25), 154644#(<= ULTIMATE.start_main_~k~5 22), 154645#(<= ULTIMATE.start_main_~k~5 23), 154650#(<= ULTIMATE.start_main_~k~5 28), 154651#(<= ULTIMATE.start_main_~k~5 29), 154648#(<= ULTIMATE.start_main_~k~5 26), 154649#(<= ULTIMATE.start_main_~k~5 27), 154654#(<= ULTIMATE.start_main_~k~5 32), 154655#(<= ULTIMATE.start_main_~k~5 33), 154652#(<= ULTIMATE.start_main_~k~5 30), 154653#(<= ULTIMATE.start_main_~k~5 31), 154658#(<= ULTIMATE.start_main_~k~5 36), 154659#(<= ULTIMATE.start_main_~k~5 37), 154656#(<= ULTIMATE.start_main_~k~5 34), 154657#(<= ULTIMATE.start_main_~k~5 35), 154662#(<= ULTIMATE.start_main_~k~5 40), 154663#(<= ULTIMATE.start_main_~k~5 41), 154660#(<= ULTIMATE.start_main_~k~5 38), 154661#(<= ULTIMATE.start_main_~k~5 39), 154666#(<= ULTIMATE.start_main_~k~5 44), 154667#(<= ULTIMATE.start_main_~k~5 45), 154664#(<= ULTIMATE.start_main_~k~5 42), 154665#(<= ULTIMATE.start_main_~k~5 43), 154670#(<= ULTIMATE.start_main_~k~5 48), 154671#(<= ULTIMATE.start_main_~k~5 49), 154668#(<= ULTIMATE.start_main_~k~5 46), 154669#(<= ULTIMATE.start_main_~k~5 47), 154674#(<= ULTIMATE.start_main_~k~5 52), 154675#(<= ULTIMATE.start_main_~k~5 53), 154672#(<= ULTIMATE.start_main_~k~5 50), 154673#(<= ULTIMATE.start_main_~k~5 51), 154678#(<= ULTIMATE.start_main_~k~5 56), 154679#(<= ULTIMATE.start_main_~k~5 57), 154676#(<= ULTIMATE.start_main_~k~5 54), 154677#(<= ULTIMATE.start_main_~k~5 55), 154682#(<= ULTIMATE.start_main_~k~5 60), 154683#(<= ULTIMATE.start_main_~k~5 61), 154680#(<= ULTIMATE.start_main_~k~5 58), 154681#(<= ULTIMATE.start_main_~k~5 59), 154686#(<= ULTIMATE.start_main_~k~5 64), 154687#(<= ULTIMATE.start_main_~k~5 65), 154684#(<= ULTIMATE.start_main_~k~5 62), 154685#(<= ULTIMATE.start_main_~k~5 63), 154690#(<= ULTIMATE.start_main_~k~5 68), 154691#(<= ULTIMATE.start_main_~k~5 69), 154688#(<= ULTIMATE.start_main_~k~5 66), 154689#(<= ULTIMATE.start_main_~k~5 67), 154694#(<= ULTIMATE.start_main_~k~5 72), 154695#(<= ULTIMATE.start_main_~k~5 73), 154692#(<= ULTIMATE.start_main_~k~5 70), 154693#(<= ULTIMATE.start_main_~k~5 71), 154698#(<= ULTIMATE.start_main_~k~5 76), 154699#(<= ULTIMATE.start_main_~k~5 77), 154696#(<= ULTIMATE.start_main_~k~5 74), 154697#(<= ULTIMATE.start_main_~k~5 75), 154702#(<= ULTIMATE.start_main_~k~5 80), 154703#(<= ULTIMATE.start_main_~k~5 81), 154700#(<= ULTIMATE.start_main_~k~5 78), 154701#(<= ULTIMATE.start_main_~k~5 79), 154706#(<= ULTIMATE.start_main_~k~5 84), 154707#(<= ULTIMATE.start_main_~k~5 85), 154704#(<= ULTIMATE.start_main_~k~5 82), 154705#(<= ULTIMATE.start_main_~k~5 83), 154710#(<= ULTIMATE.start_main_~k~5 88), 154711#(<= ULTIMATE.start_main_~k~5 89), 154708#(<= ULTIMATE.start_main_~k~5 86), 154709#(<= ULTIMATE.start_main_~k~5 87), 154714#(<= ULTIMATE.start_main_~k~5 92), 154715#(<= ULTIMATE.start_main_~k~5 93), 154712#(<= ULTIMATE.start_main_~k~5 90), 154713#(<= ULTIMATE.start_main_~k~5 91), 154718#(<= ULTIMATE.start_main_~k~5 96), 154719#(<= ULTIMATE.start_main_~k~5 97), 154716#(<= ULTIMATE.start_main_~k~5 94), 154717#(<= ULTIMATE.start_main_~k~5 95), 154722#(<= ULTIMATE.start_main_~k~5 100), 154723#(<= ULTIMATE.start_main_~k~5 101), 154720#(<= ULTIMATE.start_main_~k~5 98), 154721#(<= ULTIMATE.start_main_~k~5 99), 154726#(<= ULTIMATE.start_main_~k~5 104), 154727#(<= ULTIMATE.start_main_~k~5 105), 154724#(<= ULTIMATE.start_main_~k~5 102), 154725#(<= ULTIMATE.start_main_~k~5 103), 154730#(<= ULTIMATE.start_main_~k~5 108), 154731#(<= ULTIMATE.start_main_~k~5 109), 154728#(<= ULTIMATE.start_main_~k~5 106), 154729#(<= ULTIMATE.start_main_~k~5 107), 154734#(<= ULTIMATE.start_main_~k~5 112), 154735#(<= ULTIMATE.start_main_~k~5 113), 154732#(<= ULTIMATE.start_main_~k~5 110), 154733#(<= ULTIMATE.start_main_~k~5 111), 154738#(<= ULTIMATE.start_main_~k~5 116), 154739#(<= ULTIMATE.start_main_~k~5 117), 154736#(<= ULTIMATE.start_main_~k~5 114), 154737#(<= ULTIMATE.start_main_~k~5 115), 154742#(<= ULTIMATE.start_main_~k~5 120), 154743#(<= ULTIMATE.start_main_~k~5 121), 154740#(<= ULTIMATE.start_main_~k~5 118), 154741#(<= ULTIMATE.start_main_~k~5 119), 154746#(<= ULTIMATE.start_main_~k~5 124), 154747#(<= ULTIMATE.start_main_~k~5 125), 154744#(<= ULTIMATE.start_main_~k~5 122), 154745#(<= ULTIMATE.start_main_~k~5 123), 154750#(<= ULTIMATE.start_main_~k~5 128), 154751#(<= ULTIMATE.start_main_~k~5 129), 154748#(<= ULTIMATE.start_main_~k~5 126), 154749#(<= ULTIMATE.start_main_~k~5 127), 154754#(<= ULTIMATE.start_main_~k~5 132), 154755#(<= ULTIMATE.start_main_~k~5 133), 154752#(<= ULTIMATE.start_main_~k~5 130), 154753#(<= ULTIMATE.start_main_~k~5 131), 154758#(<= ULTIMATE.start_main_~k~5 136), 154759#(<= ULTIMATE.start_main_~k~5 137), 154756#(<= ULTIMATE.start_main_~k~5 134), 154757#(<= ULTIMATE.start_main_~k~5 135), 154762#(<= ULTIMATE.start_main_~k~5 140), 154763#(<= ULTIMATE.start_main_~k~5 141), 154760#(<= ULTIMATE.start_main_~k~5 138), 154761#(<= ULTIMATE.start_main_~k~5 139), 154766#(<= ULTIMATE.start_main_~k~5 144), 154767#(<= ULTIMATE.start_main_~k~5 145), 154764#(<= ULTIMATE.start_main_~k~5 142), 154765#(<= ULTIMATE.start_main_~k~5 143), 154770#(<= ULTIMATE.start_main_~k~5 148), 154771#(<= ULTIMATE.start_main_~k~5 149), 154768#(<= ULTIMATE.start_main_~k~5 146), 154769#(<= ULTIMATE.start_main_~k~5 147), 154774#(<= ULTIMATE.start_main_~k~5 152), 154775#(<= ULTIMATE.start_main_~k~5 153), 154772#(<= ULTIMATE.start_main_~k~5 150), 154773#(<= ULTIMATE.start_main_~k~5 151), 154778#(<= ULTIMATE.start_main_~k~5 156), 154779#(<= ULTIMATE.start_main_~k~5 157), 154776#(<= ULTIMATE.start_main_~k~5 154), 154777#(<= ULTIMATE.start_main_~k~5 155), 154782#(<= ULTIMATE.start_main_~k~5 160), 154783#(<= ULTIMATE.start_main_~k~5 161), 154780#(<= ULTIMATE.start_main_~k~5 158), 154781#(<= ULTIMATE.start_main_~k~5 159), 154786#(<= ULTIMATE.start_main_~k~5 164), 154787#(<= ULTIMATE.start_main_~k~5 165), 154784#(<= ULTIMATE.start_main_~k~5 162), 154785#(<= ULTIMATE.start_main_~k~5 163), 154790#(<= ULTIMATE.start_main_~k~5 168), 154791#(<= ULTIMATE.start_main_~k~5 169), 154788#(<= ULTIMATE.start_main_~k~5 166), 154789#(<= ULTIMATE.start_main_~k~5 167), 154794#(<= ULTIMATE.start_main_~k~5 172), 154795#(<= ULTIMATE.start_main_~k~5 173), 154792#(<= ULTIMATE.start_main_~k~5 170), 154793#(<= ULTIMATE.start_main_~k~5 171), 154798#(<= ULTIMATE.start_main_~k~5 176), 154799#(<= ULTIMATE.start_main_~k~5 177), 154796#(<= ULTIMATE.start_main_~k~5 174), 154797#(<= ULTIMATE.start_main_~k~5 175), 154802#(<= ULTIMATE.start_main_~k~5 180), 154803#(<= ULTIMATE.start_main_~k~5 181), 154800#(<= ULTIMATE.start_main_~k~5 178), 154801#(<= ULTIMATE.start_main_~k~5 179), 154804#(<= ULTIMATE.start_main_~k~5 182), 154622#(<= ULTIMATE.start_main_~k~5 0), 154623#(<= ULTIMATE.start_main_~k~5 1), 154620#true, 154621#false] [2018-07-23 13:48:01,713 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 13:48:01,713 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:48:01,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:48:01,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:48:01,718 INFO L87 Difference]: Start difference. First operand 369 states and 369 transitions. Second operand 185 states. [2018-07-23 13:48:03,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:03,583 INFO L93 Difference]: Finished difference Result 373 states and 373 transitions. [2018-07-23 13:48:03,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:48:03,583 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 368 [2018-07-23 13:48:03,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:03,584 INFO L225 Difference]: With dead ends: 373 [2018-07-23 13:48:03,584 INFO L226 Difference]: Without dead ends: 371 [2018-07-23 13:48:03,587 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:48:03,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-07-23 13:48:03,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2018-07-23 13:48:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-07-23 13:48:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 371 transitions. [2018-07-23 13:48:03,592 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 371 transitions. Word has length 368 [2018-07-23 13:48:03,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:03,592 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 371 transitions. [2018-07-23 13:48:03,593 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:48:03,593 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 371 transitions. [2018-07-23 13:48:03,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-07-23 13:48:03,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:03,594 INFO L357 BasicCegarLoop]: trace histogram [184, 183, 1, 1, 1] [2018-07-23 13:48:03,594 INFO L414 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:03,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1479365437, now seen corresponding path program 183 times [2018-07-23 13:48:03,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:05,425 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 13:48:05,425 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:05,425 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:48:05,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:05,426 INFO L185 omatonBuilderFactory]: Interpolants [156418#(<= ULTIMATE.start_main_~k~5 123), 156419#(<= ULTIMATE.start_main_~k~5 124), 156416#(<= ULTIMATE.start_main_~k~5 121), 156417#(<= ULTIMATE.start_main_~k~5 122), 156422#(<= ULTIMATE.start_main_~k~5 127), 156423#(<= ULTIMATE.start_main_~k~5 128), 156420#(<= ULTIMATE.start_main_~k~5 125), 156421#(<= ULTIMATE.start_main_~k~5 126), 156426#(<= ULTIMATE.start_main_~k~5 131), 156427#(<= ULTIMATE.start_main_~k~5 132), 156424#(<= ULTIMATE.start_main_~k~5 129), 156425#(<= ULTIMATE.start_main_~k~5 130), 156430#(<= ULTIMATE.start_main_~k~5 135), 156431#(<= ULTIMATE.start_main_~k~5 136), 156428#(<= ULTIMATE.start_main_~k~5 133), 156429#(<= ULTIMATE.start_main_~k~5 134), 156434#(<= ULTIMATE.start_main_~k~5 139), 156435#(<= ULTIMATE.start_main_~k~5 140), 156432#(<= ULTIMATE.start_main_~k~5 137), 156433#(<= ULTIMATE.start_main_~k~5 138), 156438#(<= ULTIMATE.start_main_~k~5 143), 156439#(<= ULTIMATE.start_main_~k~5 144), 156436#(<= ULTIMATE.start_main_~k~5 141), 156437#(<= ULTIMATE.start_main_~k~5 142), 156442#(<= ULTIMATE.start_main_~k~5 147), 156443#(<= ULTIMATE.start_main_~k~5 148), 156440#(<= ULTIMATE.start_main_~k~5 145), 156441#(<= ULTIMATE.start_main_~k~5 146), 156446#(<= ULTIMATE.start_main_~k~5 151), 156447#(<= ULTIMATE.start_main_~k~5 152), 156444#(<= ULTIMATE.start_main_~k~5 149), 156445#(<= ULTIMATE.start_main_~k~5 150), 156450#(<= ULTIMATE.start_main_~k~5 155), 156451#(<= ULTIMATE.start_main_~k~5 156), 156448#(<= ULTIMATE.start_main_~k~5 153), 156449#(<= ULTIMATE.start_main_~k~5 154), 156454#(<= ULTIMATE.start_main_~k~5 159), 156455#(<= ULTIMATE.start_main_~k~5 160), 156452#(<= ULTIMATE.start_main_~k~5 157), 156453#(<= ULTIMATE.start_main_~k~5 158), 156458#(<= ULTIMATE.start_main_~k~5 163), 156459#(<= ULTIMATE.start_main_~k~5 164), 156456#(<= ULTIMATE.start_main_~k~5 161), 156457#(<= ULTIMATE.start_main_~k~5 162), 156462#(<= ULTIMATE.start_main_~k~5 167), 156463#(<= ULTIMATE.start_main_~k~5 168), 156460#(<= ULTIMATE.start_main_~k~5 165), 156461#(<= ULTIMATE.start_main_~k~5 166), 156466#(<= ULTIMATE.start_main_~k~5 171), 156467#(<= ULTIMATE.start_main_~k~5 172), 156464#(<= ULTIMATE.start_main_~k~5 169), 156465#(<= ULTIMATE.start_main_~k~5 170), 156470#(<= ULTIMATE.start_main_~k~5 175), 156471#(<= ULTIMATE.start_main_~k~5 176), 156468#(<= ULTIMATE.start_main_~k~5 173), 156469#(<= ULTIMATE.start_main_~k~5 174), 156474#(<= ULTIMATE.start_main_~k~5 179), 156475#(<= ULTIMATE.start_main_~k~5 180), 156472#(<= ULTIMATE.start_main_~k~5 177), 156473#(<= ULTIMATE.start_main_~k~5 178), 156478#(<= ULTIMATE.start_main_~k~5 183), 156476#(<= ULTIMATE.start_main_~k~5 181), 156477#(<= ULTIMATE.start_main_~k~5 182), 156294#false, 156295#(<= ULTIMATE.start_main_~k~5 0), 156293#true, 156298#(<= ULTIMATE.start_main_~k~5 3), 156299#(<= ULTIMATE.start_main_~k~5 4), 156296#(<= ULTIMATE.start_main_~k~5 1), 156297#(<= ULTIMATE.start_main_~k~5 2), 156302#(<= ULTIMATE.start_main_~k~5 7), 156303#(<= ULTIMATE.start_main_~k~5 8), 156300#(<= ULTIMATE.start_main_~k~5 5), 156301#(<= ULTIMATE.start_main_~k~5 6), 156306#(<= ULTIMATE.start_main_~k~5 11), 156307#(<= ULTIMATE.start_main_~k~5 12), 156304#(<= ULTIMATE.start_main_~k~5 9), 156305#(<= ULTIMATE.start_main_~k~5 10), 156310#(<= ULTIMATE.start_main_~k~5 15), 156311#(<= ULTIMATE.start_main_~k~5 16), 156308#(<= ULTIMATE.start_main_~k~5 13), 156309#(<= ULTIMATE.start_main_~k~5 14), 156314#(<= ULTIMATE.start_main_~k~5 19), 156315#(<= ULTIMATE.start_main_~k~5 20), 156312#(<= ULTIMATE.start_main_~k~5 17), 156313#(<= ULTIMATE.start_main_~k~5 18), 156318#(<= ULTIMATE.start_main_~k~5 23), 156319#(<= ULTIMATE.start_main_~k~5 24), 156316#(<= ULTIMATE.start_main_~k~5 21), 156317#(<= ULTIMATE.start_main_~k~5 22), 156322#(<= ULTIMATE.start_main_~k~5 27), 156323#(<= ULTIMATE.start_main_~k~5 28), 156320#(<= ULTIMATE.start_main_~k~5 25), 156321#(<= ULTIMATE.start_main_~k~5 26), 156326#(<= ULTIMATE.start_main_~k~5 31), 156327#(<= ULTIMATE.start_main_~k~5 32), 156324#(<= ULTIMATE.start_main_~k~5 29), 156325#(<= ULTIMATE.start_main_~k~5 30), 156330#(<= ULTIMATE.start_main_~k~5 35), 156331#(<= ULTIMATE.start_main_~k~5 36), 156328#(<= ULTIMATE.start_main_~k~5 33), 156329#(<= ULTIMATE.start_main_~k~5 34), 156334#(<= ULTIMATE.start_main_~k~5 39), 156335#(<= ULTIMATE.start_main_~k~5 40), 156332#(<= ULTIMATE.start_main_~k~5 37), 156333#(<= ULTIMATE.start_main_~k~5 38), 156338#(<= ULTIMATE.start_main_~k~5 43), 156339#(<= ULTIMATE.start_main_~k~5 44), 156336#(<= ULTIMATE.start_main_~k~5 41), 156337#(<= ULTIMATE.start_main_~k~5 42), 156342#(<= ULTIMATE.start_main_~k~5 47), 156343#(<= ULTIMATE.start_main_~k~5 48), 156340#(<= ULTIMATE.start_main_~k~5 45), 156341#(<= ULTIMATE.start_main_~k~5 46), 156346#(<= ULTIMATE.start_main_~k~5 51), 156347#(<= ULTIMATE.start_main_~k~5 52), 156344#(<= ULTIMATE.start_main_~k~5 49), 156345#(<= ULTIMATE.start_main_~k~5 50), 156350#(<= ULTIMATE.start_main_~k~5 55), 156351#(<= ULTIMATE.start_main_~k~5 56), 156348#(<= ULTIMATE.start_main_~k~5 53), 156349#(<= ULTIMATE.start_main_~k~5 54), 156354#(<= ULTIMATE.start_main_~k~5 59), 156355#(<= ULTIMATE.start_main_~k~5 60), 156352#(<= ULTIMATE.start_main_~k~5 57), 156353#(<= ULTIMATE.start_main_~k~5 58), 156358#(<= ULTIMATE.start_main_~k~5 63), 156359#(<= ULTIMATE.start_main_~k~5 64), 156356#(<= ULTIMATE.start_main_~k~5 61), 156357#(<= ULTIMATE.start_main_~k~5 62), 156362#(<= ULTIMATE.start_main_~k~5 67), 156363#(<= ULTIMATE.start_main_~k~5 68), 156360#(<= ULTIMATE.start_main_~k~5 65), 156361#(<= ULTIMATE.start_main_~k~5 66), 156366#(<= ULTIMATE.start_main_~k~5 71), 156367#(<= ULTIMATE.start_main_~k~5 72), 156364#(<= ULTIMATE.start_main_~k~5 69), 156365#(<= ULTIMATE.start_main_~k~5 70), 156370#(<= ULTIMATE.start_main_~k~5 75), 156371#(<= ULTIMATE.start_main_~k~5 76), 156368#(<= ULTIMATE.start_main_~k~5 73), 156369#(<= ULTIMATE.start_main_~k~5 74), 156374#(<= ULTIMATE.start_main_~k~5 79), 156375#(<= ULTIMATE.start_main_~k~5 80), 156372#(<= ULTIMATE.start_main_~k~5 77), 156373#(<= ULTIMATE.start_main_~k~5 78), 156378#(<= ULTIMATE.start_main_~k~5 83), 156379#(<= ULTIMATE.start_main_~k~5 84), 156376#(<= ULTIMATE.start_main_~k~5 81), 156377#(<= ULTIMATE.start_main_~k~5 82), 156382#(<= ULTIMATE.start_main_~k~5 87), 156383#(<= ULTIMATE.start_main_~k~5 88), 156380#(<= ULTIMATE.start_main_~k~5 85), 156381#(<= ULTIMATE.start_main_~k~5 86), 156386#(<= ULTIMATE.start_main_~k~5 91), 156387#(<= ULTIMATE.start_main_~k~5 92), 156384#(<= ULTIMATE.start_main_~k~5 89), 156385#(<= ULTIMATE.start_main_~k~5 90), 156390#(<= ULTIMATE.start_main_~k~5 95), 156391#(<= ULTIMATE.start_main_~k~5 96), 156388#(<= ULTIMATE.start_main_~k~5 93), 156389#(<= ULTIMATE.start_main_~k~5 94), 156394#(<= ULTIMATE.start_main_~k~5 99), 156395#(<= ULTIMATE.start_main_~k~5 100), 156392#(<= ULTIMATE.start_main_~k~5 97), 156393#(<= ULTIMATE.start_main_~k~5 98), 156398#(<= ULTIMATE.start_main_~k~5 103), 156399#(<= ULTIMATE.start_main_~k~5 104), 156396#(<= ULTIMATE.start_main_~k~5 101), 156397#(<= ULTIMATE.start_main_~k~5 102), 156402#(<= ULTIMATE.start_main_~k~5 107), 156403#(<= ULTIMATE.start_main_~k~5 108), 156400#(<= ULTIMATE.start_main_~k~5 105), 156401#(<= ULTIMATE.start_main_~k~5 106), 156406#(<= ULTIMATE.start_main_~k~5 111), 156407#(<= ULTIMATE.start_main_~k~5 112), 156404#(<= ULTIMATE.start_main_~k~5 109), 156405#(<= ULTIMATE.start_main_~k~5 110), 156410#(<= ULTIMATE.start_main_~k~5 115), 156411#(<= ULTIMATE.start_main_~k~5 116), 156408#(<= ULTIMATE.start_main_~k~5 113), 156409#(<= ULTIMATE.start_main_~k~5 114), 156414#(<= ULTIMATE.start_main_~k~5 119), 156415#(<= ULTIMATE.start_main_~k~5 120), 156412#(<= ULTIMATE.start_main_~k~5 117), 156413#(<= ULTIMATE.start_main_~k~5 118)] [2018-07-23 13:48:05,428 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 13:48:05,428 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:48:05,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:48:05,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:48:05,434 INFO L87 Difference]: Start difference. First operand 371 states and 371 transitions. Second operand 186 states. [2018-07-23 13:48:06,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:06,022 INFO L93 Difference]: Finished difference Result 375 states and 375 transitions. [2018-07-23 13:48:06,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:48:06,022 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 370 [2018-07-23 13:48:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:06,023 INFO L225 Difference]: With dead ends: 375 [2018-07-23 13:48:06,023 INFO L226 Difference]: Without dead ends: 373 [2018-07-23 13:48:06,026 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:48:06,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-07-23 13:48:06,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-07-23 13:48:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-07-23 13:48:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 373 transitions. [2018-07-23 13:48:06,030 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 373 transitions. Word has length 370 [2018-07-23 13:48:06,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:06,031 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 373 transitions. [2018-07-23 13:48:06,031 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:48:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 373 transitions. [2018-07-23 13:48:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-07-23 13:48:06,032 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:06,032 INFO L357 BasicCegarLoop]: trace histogram [185, 184, 1, 1, 1] [2018-07-23 13:48:06,032 INFO L414 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:06,032 INFO L82 PathProgramCache]: Analyzing trace with hash 36062071, now seen corresponding path program 184 times [2018-07-23 13:48:06,033 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:08,014 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 13:48:08,014 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:08,014 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:48:08,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:08,015 INFO L185 omatonBuilderFactory]: Interpolants [157975#true, 157978#(<= ULTIMATE.start_main_~k~5 1), 157979#(<= ULTIMATE.start_main_~k~5 2), 157976#false, 157977#(<= ULTIMATE.start_main_~k~5 0), 157982#(<= ULTIMATE.start_main_~k~5 5), 157983#(<= ULTIMATE.start_main_~k~5 6), 157980#(<= ULTIMATE.start_main_~k~5 3), 157981#(<= ULTIMATE.start_main_~k~5 4), 157986#(<= ULTIMATE.start_main_~k~5 9), 157987#(<= ULTIMATE.start_main_~k~5 10), 157984#(<= ULTIMATE.start_main_~k~5 7), 157985#(<= ULTIMATE.start_main_~k~5 8), 157990#(<= ULTIMATE.start_main_~k~5 13), 157991#(<= ULTIMATE.start_main_~k~5 14), 157988#(<= ULTIMATE.start_main_~k~5 11), 157989#(<= ULTIMATE.start_main_~k~5 12), 157994#(<= ULTIMATE.start_main_~k~5 17), 157995#(<= ULTIMATE.start_main_~k~5 18), 157992#(<= ULTIMATE.start_main_~k~5 15), 157993#(<= ULTIMATE.start_main_~k~5 16), 157998#(<= ULTIMATE.start_main_~k~5 21), 157999#(<= ULTIMATE.start_main_~k~5 22), 157996#(<= ULTIMATE.start_main_~k~5 19), 157997#(<= ULTIMATE.start_main_~k~5 20), 158002#(<= ULTIMATE.start_main_~k~5 25), 158003#(<= ULTIMATE.start_main_~k~5 26), 158000#(<= ULTIMATE.start_main_~k~5 23), 158001#(<= ULTIMATE.start_main_~k~5 24), 158006#(<= ULTIMATE.start_main_~k~5 29), 158007#(<= ULTIMATE.start_main_~k~5 30), 158004#(<= ULTIMATE.start_main_~k~5 27), 158005#(<= ULTIMATE.start_main_~k~5 28), 158010#(<= ULTIMATE.start_main_~k~5 33), 158011#(<= ULTIMATE.start_main_~k~5 34), 158008#(<= ULTIMATE.start_main_~k~5 31), 158009#(<= ULTIMATE.start_main_~k~5 32), 158014#(<= ULTIMATE.start_main_~k~5 37), 158015#(<= ULTIMATE.start_main_~k~5 38), 158012#(<= ULTIMATE.start_main_~k~5 35), 158013#(<= ULTIMATE.start_main_~k~5 36), 158018#(<= ULTIMATE.start_main_~k~5 41), 158019#(<= ULTIMATE.start_main_~k~5 42), 158016#(<= ULTIMATE.start_main_~k~5 39), 158017#(<= ULTIMATE.start_main_~k~5 40), 158022#(<= ULTIMATE.start_main_~k~5 45), 158023#(<= ULTIMATE.start_main_~k~5 46), 158020#(<= ULTIMATE.start_main_~k~5 43), 158021#(<= ULTIMATE.start_main_~k~5 44), 158026#(<= ULTIMATE.start_main_~k~5 49), 158027#(<= ULTIMATE.start_main_~k~5 50), 158024#(<= ULTIMATE.start_main_~k~5 47), 158025#(<= ULTIMATE.start_main_~k~5 48), 158030#(<= ULTIMATE.start_main_~k~5 53), 158031#(<= ULTIMATE.start_main_~k~5 54), 158028#(<= ULTIMATE.start_main_~k~5 51), 158029#(<= ULTIMATE.start_main_~k~5 52), 158034#(<= ULTIMATE.start_main_~k~5 57), 158035#(<= ULTIMATE.start_main_~k~5 58), 158032#(<= ULTIMATE.start_main_~k~5 55), 158033#(<= ULTIMATE.start_main_~k~5 56), 158038#(<= ULTIMATE.start_main_~k~5 61), 158039#(<= ULTIMATE.start_main_~k~5 62), 158036#(<= ULTIMATE.start_main_~k~5 59), 158037#(<= ULTIMATE.start_main_~k~5 60), 158042#(<= ULTIMATE.start_main_~k~5 65), 158043#(<= ULTIMATE.start_main_~k~5 66), 158040#(<= ULTIMATE.start_main_~k~5 63), 158041#(<= ULTIMATE.start_main_~k~5 64), 158046#(<= ULTIMATE.start_main_~k~5 69), 158047#(<= ULTIMATE.start_main_~k~5 70), 158044#(<= ULTIMATE.start_main_~k~5 67), 158045#(<= ULTIMATE.start_main_~k~5 68), 158050#(<= ULTIMATE.start_main_~k~5 73), 158051#(<= ULTIMATE.start_main_~k~5 74), 158048#(<= ULTIMATE.start_main_~k~5 71), 158049#(<= ULTIMATE.start_main_~k~5 72), 158054#(<= ULTIMATE.start_main_~k~5 77), 158055#(<= ULTIMATE.start_main_~k~5 78), 158052#(<= ULTIMATE.start_main_~k~5 75), 158053#(<= ULTIMATE.start_main_~k~5 76), 158058#(<= ULTIMATE.start_main_~k~5 81), 158059#(<= ULTIMATE.start_main_~k~5 82), 158056#(<= ULTIMATE.start_main_~k~5 79), 158057#(<= ULTIMATE.start_main_~k~5 80), 158062#(<= ULTIMATE.start_main_~k~5 85), 158063#(<= ULTIMATE.start_main_~k~5 86), 158060#(<= ULTIMATE.start_main_~k~5 83), 158061#(<= ULTIMATE.start_main_~k~5 84), 158066#(<= ULTIMATE.start_main_~k~5 89), 158067#(<= ULTIMATE.start_main_~k~5 90), 158064#(<= ULTIMATE.start_main_~k~5 87), 158065#(<= ULTIMATE.start_main_~k~5 88), 158070#(<= ULTIMATE.start_main_~k~5 93), 158071#(<= ULTIMATE.start_main_~k~5 94), 158068#(<= ULTIMATE.start_main_~k~5 91), 158069#(<= ULTIMATE.start_main_~k~5 92), 158074#(<= ULTIMATE.start_main_~k~5 97), 158075#(<= ULTIMATE.start_main_~k~5 98), 158072#(<= ULTIMATE.start_main_~k~5 95), 158073#(<= ULTIMATE.start_main_~k~5 96), 158078#(<= ULTIMATE.start_main_~k~5 101), 158079#(<= ULTIMATE.start_main_~k~5 102), 158076#(<= ULTIMATE.start_main_~k~5 99), 158077#(<= ULTIMATE.start_main_~k~5 100), 158082#(<= ULTIMATE.start_main_~k~5 105), 158083#(<= ULTIMATE.start_main_~k~5 106), 158080#(<= ULTIMATE.start_main_~k~5 103), 158081#(<= ULTIMATE.start_main_~k~5 104), 158086#(<= ULTIMATE.start_main_~k~5 109), 158087#(<= ULTIMATE.start_main_~k~5 110), 158084#(<= ULTIMATE.start_main_~k~5 107), 158085#(<= ULTIMATE.start_main_~k~5 108), 158090#(<= ULTIMATE.start_main_~k~5 113), 158091#(<= ULTIMATE.start_main_~k~5 114), 158088#(<= ULTIMATE.start_main_~k~5 111), 158089#(<= ULTIMATE.start_main_~k~5 112), 158094#(<= ULTIMATE.start_main_~k~5 117), 158095#(<= ULTIMATE.start_main_~k~5 118), 158092#(<= ULTIMATE.start_main_~k~5 115), 158093#(<= ULTIMATE.start_main_~k~5 116), 158098#(<= ULTIMATE.start_main_~k~5 121), 158099#(<= ULTIMATE.start_main_~k~5 122), 158096#(<= ULTIMATE.start_main_~k~5 119), 158097#(<= ULTIMATE.start_main_~k~5 120), 158102#(<= ULTIMATE.start_main_~k~5 125), 158103#(<= ULTIMATE.start_main_~k~5 126), 158100#(<= ULTIMATE.start_main_~k~5 123), 158101#(<= ULTIMATE.start_main_~k~5 124), 158106#(<= ULTIMATE.start_main_~k~5 129), 158107#(<= ULTIMATE.start_main_~k~5 130), 158104#(<= ULTIMATE.start_main_~k~5 127), 158105#(<= ULTIMATE.start_main_~k~5 128), 158110#(<= ULTIMATE.start_main_~k~5 133), 158111#(<= ULTIMATE.start_main_~k~5 134), 158108#(<= ULTIMATE.start_main_~k~5 131), 158109#(<= ULTIMATE.start_main_~k~5 132), 158114#(<= ULTIMATE.start_main_~k~5 137), 158115#(<= ULTIMATE.start_main_~k~5 138), 158112#(<= ULTIMATE.start_main_~k~5 135), 158113#(<= ULTIMATE.start_main_~k~5 136), 158118#(<= ULTIMATE.start_main_~k~5 141), 158119#(<= ULTIMATE.start_main_~k~5 142), 158116#(<= ULTIMATE.start_main_~k~5 139), 158117#(<= ULTIMATE.start_main_~k~5 140), 158122#(<= ULTIMATE.start_main_~k~5 145), 158123#(<= ULTIMATE.start_main_~k~5 146), 158120#(<= ULTIMATE.start_main_~k~5 143), 158121#(<= ULTIMATE.start_main_~k~5 144), 158126#(<= ULTIMATE.start_main_~k~5 149), 158127#(<= ULTIMATE.start_main_~k~5 150), 158124#(<= ULTIMATE.start_main_~k~5 147), 158125#(<= ULTIMATE.start_main_~k~5 148), 158130#(<= ULTIMATE.start_main_~k~5 153), 158131#(<= ULTIMATE.start_main_~k~5 154), 158128#(<= ULTIMATE.start_main_~k~5 151), 158129#(<= ULTIMATE.start_main_~k~5 152), 158134#(<= ULTIMATE.start_main_~k~5 157), 158135#(<= ULTIMATE.start_main_~k~5 158), 158132#(<= ULTIMATE.start_main_~k~5 155), 158133#(<= ULTIMATE.start_main_~k~5 156), 158138#(<= ULTIMATE.start_main_~k~5 161), 158139#(<= ULTIMATE.start_main_~k~5 162), 158136#(<= ULTIMATE.start_main_~k~5 159), 158137#(<= ULTIMATE.start_main_~k~5 160), 158142#(<= ULTIMATE.start_main_~k~5 165), 158143#(<= ULTIMATE.start_main_~k~5 166), 158140#(<= ULTIMATE.start_main_~k~5 163), 158141#(<= ULTIMATE.start_main_~k~5 164), 158146#(<= ULTIMATE.start_main_~k~5 169), 158147#(<= ULTIMATE.start_main_~k~5 170), 158144#(<= ULTIMATE.start_main_~k~5 167), 158145#(<= ULTIMATE.start_main_~k~5 168), 158150#(<= ULTIMATE.start_main_~k~5 173), 158151#(<= ULTIMATE.start_main_~k~5 174), 158148#(<= ULTIMATE.start_main_~k~5 171), 158149#(<= ULTIMATE.start_main_~k~5 172), 158154#(<= ULTIMATE.start_main_~k~5 177), 158155#(<= ULTIMATE.start_main_~k~5 178), 158152#(<= ULTIMATE.start_main_~k~5 175), 158153#(<= ULTIMATE.start_main_~k~5 176), 158158#(<= ULTIMATE.start_main_~k~5 181), 158159#(<= ULTIMATE.start_main_~k~5 182), 158156#(<= ULTIMATE.start_main_~k~5 179), 158157#(<= ULTIMATE.start_main_~k~5 180), 158160#(<= ULTIMATE.start_main_~k~5 183), 158161#(<= ULTIMATE.start_main_~k~5 184)] [2018-07-23 13:48:08,016 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 13:48:08,016 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:48:08,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:48:08,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:48:08,018 INFO L87 Difference]: Start difference. First operand 373 states and 373 transitions. Second operand 187 states. [2018-07-23 13:48:09,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:09,705 INFO L93 Difference]: Finished difference Result 377 states and 377 transitions. [2018-07-23 13:48:09,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:48:09,706 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 372 [2018-07-23 13:48:09,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:09,706 INFO L225 Difference]: With dead ends: 377 [2018-07-23 13:48:09,706 INFO L226 Difference]: Without dead ends: 375 [2018-07-23 13:48:09,708 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:48:09,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-07-23 13:48:09,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-07-23 13:48:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-07-23 13:48:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 375 transitions. [2018-07-23 13:48:09,712 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 375 transitions. Word has length 372 [2018-07-23 13:48:09,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:09,712 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 375 transitions. [2018-07-23 13:48:09,712 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:48:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 375 transitions. [2018-07-23 13:48:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-07-23 13:48:09,713 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:09,713 INFO L357 BasicCegarLoop]: trace histogram [186, 185, 1, 1, 1] [2018-07-23 13:48:09,714 INFO L414 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash 295963953, now seen corresponding path program 185 times [2018-07-23 13:48:09,714 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:11,703 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 13:48:11,703 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:11,703 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:48:11,703 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:11,704 INFO L185 omatonBuilderFactory]: Interpolants [159746#(<= ULTIMATE.start_main_~k~5 78), 159747#(<= ULTIMATE.start_main_~k~5 79), 159744#(<= ULTIMATE.start_main_~k~5 76), 159745#(<= ULTIMATE.start_main_~k~5 77), 159750#(<= ULTIMATE.start_main_~k~5 82), 159751#(<= ULTIMATE.start_main_~k~5 83), 159748#(<= ULTIMATE.start_main_~k~5 80), 159749#(<= ULTIMATE.start_main_~k~5 81), 159754#(<= ULTIMATE.start_main_~k~5 86), 159755#(<= ULTIMATE.start_main_~k~5 87), 159752#(<= ULTIMATE.start_main_~k~5 84), 159753#(<= ULTIMATE.start_main_~k~5 85), 159758#(<= ULTIMATE.start_main_~k~5 90), 159759#(<= ULTIMATE.start_main_~k~5 91), 159756#(<= ULTIMATE.start_main_~k~5 88), 159757#(<= ULTIMATE.start_main_~k~5 89), 159762#(<= ULTIMATE.start_main_~k~5 94), 159763#(<= ULTIMATE.start_main_~k~5 95), 159760#(<= ULTIMATE.start_main_~k~5 92), 159761#(<= ULTIMATE.start_main_~k~5 93), 159766#(<= ULTIMATE.start_main_~k~5 98), 159767#(<= ULTIMATE.start_main_~k~5 99), 159764#(<= ULTIMATE.start_main_~k~5 96), 159765#(<= ULTIMATE.start_main_~k~5 97), 159770#(<= ULTIMATE.start_main_~k~5 102), 159771#(<= ULTIMATE.start_main_~k~5 103), 159768#(<= ULTIMATE.start_main_~k~5 100), 159769#(<= ULTIMATE.start_main_~k~5 101), 159774#(<= ULTIMATE.start_main_~k~5 106), 159775#(<= ULTIMATE.start_main_~k~5 107), 159772#(<= ULTIMATE.start_main_~k~5 104), 159773#(<= ULTIMATE.start_main_~k~5 105), 159778#(<= ULTIMATE.start_main_~k~5 110), 159779#(<= ULTIMATE.start_main_~k~5 111), 159776#(<= ULTIMATE.start_main_~k~5 108), 159777#(<= ULTIMATE.start_main_~k~5 109), 159782#(<= ULTIMATE.start_main_~k~5 114), 159783#(<= ULTIMATE.start_main_~k~5 115), 159780#(<= ULTIMATE.start_main_~k~5 112), 159781#(<= ULTIMATE.start_main_~k~5 113), 159786#(<= ULTIMATE.start_main_~k~5 118), 159787#(<= ULTIMATE.start_main_~k~5 119), 159784#(<= ULTIMATE.start_main_~k~5 116), 159785#(<= ULTIMATE.start_main_~k~5 117), 159790#(<= ULTIMATE.start_main_~k~5 122), 159791#(<= ULTIMATE.start_main_~k~5 123), 159788#(<= ULTIMATE.start_main_~k~5 120), 159789#(<= ULTIMATE.start_main_~k~5 121), 159794#(<= ULTIMATE.start_main_~k~5 126), 159795#(<= ULTIMATE.start_main_~k~5 127), 159792#(<= ULTIMATE.start_main_~k~5 124), 159793#(<= ULTIMATE.start_main_~k~5 125), 159798#(<= ULTIMATE.start_main_~k~5 130), 159799#(<= ULTIMATE.start_main_~k~5 131), 159796#(<= ULTIMATE.start_main_~k~5 128), 159797#(<= ULTIMATE.start_main_~k~5 129), 159802#(<= ULTIMATE.start_main_~k~5 134), 159803#(<= ULTIMATE.start_main_~k~5 135), 159800#(<= ULTIMATE.start_main_~k~5 132), 159801#(<= ULTIMATE.start_main_~k~5 133), 159806#(<= ULTIMATE.start_main_~k~5 138), 159807#(<= ULTIMATE.start_main_~k~5 139), 159804#(<= ULTIMATE.start_main_~k~5 136), 159805#(<= ULTIMATE.start_main_~k~5 137), 159810#(<= ULTIMATE.start_main_~k~5 142), 159811#(<= ULTIMATE.start_main_~k~5 143), 159808#(<= ULTIMATE.start_main_~k~5 140), 159809#(<= ULTIMATE.start_main_~k~5 141), 159814#(<= ULTIMATE.start_main_~k~5 146), 159815#(<= ULTIMATE.start_main_~k~5 147), 159812#(<= ULTIMATE.start_main_~k~5 144), 159813#(<= ULTIMATE.start_main_~k~5 145), 159818#(<= ULTIMATE.start_main_~k~5 150), 159819#(<= ULTIMATE.start_main_~k~5 151), 159816#(<= ULTIMATE.start_main_~k~5 148), 159817#(<= ULTIMATE.start_main_~k~5 149), 159822#(<= ULTIMATE.start_main_~k~5 154), 159823#(<= ULTIMATE.start_main_~k~5 155), 159820#(<= ULTIMATE.start_main_~k~5 152), 159821#(<= ULTIMATE.start_main_~k~5 153), 159826#(<= ULTIMATE.start_main_~k~5 158), 159827#(<= ULTIMATE.start_main_~k~5 159), 159824#(<= ULTIMATE.start_main_~k~5 156), 159825#(<= ULTIMATE.start_main_~k~5 157), 159830#(<= ULTIMATE.start_main_~k~5 162), 159831#(<= ULTIMATE.start_main_~k~5 163), 159828#(<= ULTIMATE.start_main_~k~5 160), 159829#(<= ULTIMATE.start_main_~k~5 161), 159834#(<= ULTIMATE.start_main_~k~5 166), 159835#(<= ULTIMATE.start_main_~k~5 167), 159832#(<= ULTIMATE.start_main_~k~5 164), 159833#(<= ULTIMATE.start_main_~k~5 165), 159838#(<= ULTIMATE.start_main_~k~5 170), 159839#(<= ULTIMATE.start_main_~k~5 171), 159836#(<= ULTIMATE.start_main_~k~5 168), 159837#(<= ULTIMATE.start_main_~k~5 169), 159842#(<= ULTIMATE.start_main_~k~5 174), 159843#(<= ULTIMATE.start_main_~k~5 175), 159840#(<= ULTIMATE.start_main_~k~5 172), 159841#(<= ULTIMATE.start_main_~k~5 173), 159846#(<= ULTIMATE.start_main_~k~5 178), 159847#(<= ULTIMATE.start_main_~k~5 179), 159844#(<= ULTIMATE.start_main_~k~5 176), 159845#(<= ULTIMATE.start_main_~k~5 177), 159850#(<= ULTIMATE.start_main_~k~5 182), 159851#(<= ULTIMATE.start_main_~k~5 183), 159848#(<= ULTIMATE.start_main_~k~5 180), 159849#(<= ULTIMATE.start_main_~k~5 181), 159852#(<= ULTIMATE.start_main_~k~5 184), 159853#(<= ULTIMATE.start_main_~k~5 185), 159666#true, 159667#false, 159670#(<= ULTIMATE.start_main_~k~5 2), 159671#(<= ULTIMATE.start_main_~k~5 3), 159668#(<= ULTIMATE.start_main_~k~5 0), 159669#(<= ULTIMATE.start_main_~k~5 1), 159674#(<= ULTIMATE.start_main_~k~5 6), 159675#(<= ULTIMATE.start_main_~k~5 7), 159672#(<= ULTIMATE.start_main_~k~5 4), 159673#(<= ULTIMATE.start_main_~k~5 5), 159678#(<= ULTIMATE.start_main_~k~5 10), 159679#(<= ULTIMATE.start_main_~k~5 11), 159676#(<= ULTIMATE.start_main_~k~5 8), 159677#(<= ULTIMATE.start_main_~k~5 9), 159682#(<= ULTIMATE.start_main_~k~5 14), 159683#(<= ULTIMATE.start_main_~k~5 15), 159680#(<= ULTIMATE.start_main_~k~5 12), 159681#(<= ULTIMATE.start_main_~k~5 13), 159686#(<= ULTIMATE.start_main_~k~5 18), 159687#(<= ULTIMATE.start_main_~k~5 19), 159684#(<= ULTIMATE.start_main_~k~5 16), 159685#(<= ULTIMATE.start_main_~k~5 17), 159690#(<= ULTIMATE.start_main_~k~5 22), 159691#(<= ULTIMATE.start_main_~k~5 23), 159688#(<= ULTIMATE.start_main_~k~5 20), 159689#(<= ULTIMATE.start_main_~k~5 21), 159694#(<= ULTIMATE.start_main_~k~5 26), 159695#(<= ULTIMATE.start_main_~k~5 27), 159692#(<= ULTIMATE.start_main_~k~5 24), 159693#(<= ULTIMATE.start_main_~k~5 25), 159698#(<= ULTIMATE.start_main_~k~5 30), 159699#(<= ULTIMATE.start_main_~k~5 31), 159696#(<= ULTIMATE.start_main_~k~5 28), 159697#(<= ULTIMATE.start_main_~k~5 29), 159702#(<= ULTIMATE.start_main_~k~5 34), 159703#(<= ULTIMATE.start_main_~k~5 35), 159700#(<= ULTIMATE.start_main_~k~5 32), 159701#(<= ULTIMATE.start_main_~k~5 33), 159706#(<= ULTIMATE.start_main_~k~5 38), 159707#(<= ULTIMATE.start_main_~k~5 39), 159704#(<= ULTIMATE.start_main_~k~5 36), 159705#(<= ULTIMATE.start_main_~k~5 37), 159710#(<= ULTIMATE.start_main_~k~5 42), 159711#(<= ULTIMATE.start_main_~k~5 43), 159708#(<= ULTIMATE.start_main_~k~5 40), 159709#(<= ULTIMATE.start_main_~k~5 41), 159714#(<= ULTIMATE.start_main_~k~5 46), 159715#(<= ULTIMATE.start_main_~k~5 47), 159712#(<= ULTIMATE.start_main_~k~5 44), 159713#(<= ULTIMATE.start_main_~k~5 45), 159718#(<= ULTIMATE.start_main_~k~5 50), 159719#(<= ULTIMATE.start_main_~k~5 51), 159716#(<= ULTIMATE.start_main_~k~5 48), 159717#(<= ULTIMATE.start_main_~k~5 49), 159722#(<= ULTIMATE.start_main_~k~5 54), 159723#(<= ULTIMATE.start_main_~k~5 55), 159720#(<= ULTIMATE.start_main_~k~5 52), 159721#(<= ULTIMATE.start_main_~k~5 53), 159726#(<= ULTIMATE.start_main_~k~5 58), 159727#(<= ULTIMATE.start_main_~k~5 59), 159724#(<= ULTIMATE.start_main_~k~5 56), 159725#(<= ULTIMATE.start_main_~k~5 57), 159730#(<= ULTIMATE.start_main_~k~5 62), 159731#(<= ULTIMATE.start_main_~k~5 63), 159728#(<= ULTIMATE.start_main_~k~5 60), 159729#(<= ULTIMATE.start_main_~k~5 61), 159734#(<= ULTIMATE.start_main_~k~5 66), 159735#(<= ULTIMATE.start_main_~k~5 67), 159732#(<= ULTIMATE.start_main_~k~5 64), 159733#(<= ULTIMATE.start_main_~k~5 65), 159738#(<= ULTIMATE.start_main_~k~5 70), 159739#(<= ULTIMATE.start_main_~k~5 71), 159736#(<= ULTIMATE.start_main_~k~5 68), 159737#(<= ULTIMATE.start_main_~k~5 69), 159742#(<= ULTIMATE.start_main_~k~5 74), 159743#(<= ULTIMATE.start_main_~k~5 75), 159740#(<= ULTIMATE.start_main_~k~5 72), 159741#(<= ULTIMATE.start_main_~k~5 73)] [2018-07-23 13:48:11,706 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 13:48:11,706 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:48:11,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:48:11,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:48:11,711 INFO L87 Difference]: Start difference. First operand 375 states and 375 transitions. Second operand 188 states. [2018-07-23 13:48:12,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:12,421 INFO L93 Difference]: Finished difference Result 379 states and 379 transitions. [2018-07-23 13:48:12,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:48:12,421 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 374 [2018-07-23 13:48:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:12,422 INFO L225 Difference]: With dead ends: 379 [2018-07-23 13:48:12,422 INFO L226 Difference]: Without dead ends: 377 [2018-07-23 13:48:12,425 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:48:12,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-07-23 13:48:12,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-07-23 13:48:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-07-23 13:48:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 377 transitions. [2018-07-23 13:48:12,429 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 377 transitions. Word has length 374 [2018-07-23 13:48:12,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:12,429 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 377 transitions. [2018-07-23 13:48:12,430 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:48:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 377 transitions. [2018-07-23 13:48:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-07-23 13:48:12,431 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:12,431 INFO L357 BasicCegarLoop]: trace histogram [187, 186, 1, 1, 1] [2018-07-23 13:48:12,431 INFO L414 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:12,431 INFO L82 PathProgramCache]: Analyzing trace with hash 953569387, now seen corresponding path program 186 times [2018-07-23 13:48:12,431 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:14,497 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 13:48:14,498 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:14,498 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:48:14,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:14,499 INFO L185 omatonBuilderFactory]: Interpolants [161538#(<= ULTIMATE.start_main_~k~5 170), 161539#(<= ULTIMATE.start_main_~k~5 171), 161536#(<= ULTIMATE.start_main_~k~5 168), 161537#(<= ULTIMATE.start_main_~k~5 169), 161542#(<= ULTIMATE.start_main_~k~5 174), 161543#(<= ULTIMATE.start_main_~k~5 175), 161540#(<= ULTIMATE.start_main_~k~5 172), 161541#(<= ULTIMATE.start_main_~k~5 173), 161546#(<= ULTIMATE.start_main_~k~5 178), 161547#(<= ULTIMATE.start_main_~k~5 179), 161544#(<= ULTIMATE.start_main_~k~5 176), 161545#(<= ULTIMATE.start_main_~k~5 177), 161550#(<= ULTIMATE.start_main_~k~5 182), 161551#(<= ULTIMATE.start_main_~k~5 183), 161548#(<= ULTIMATE.start_main_~k~5 180), 161549#(<= ULTIMATE.start_main_~k~5 181), 161554#(<= ULTIMATE.start_main_~k~5 186), 161552#(<= ULTIMATE.start_main_~k~5 184), 161553#(<= ULTIMATE.start_main_~k~5 185), 161366#true, 161367#false, 161370#(<= ULTIMATE.start_main_~k~5 2), 161371#(<= ULTIMATE.start_main_~k~5 3), 161368#(<= ULTIMATE.start_main_~k~5 0), 161369#(<= ULTIMATE.start_main_~k~5 1), 161374#(<= ULTIMATE.start_main_~k~5 6), 161375#(<= ULTIMATE.start_main_~k~5 7), 161372#(<= ULTIMATE.start_main_~k~5 4), 161373#(<= ULTIMATE.start_main_~k~5 5), 161378#(<= ULTIMATE.start_main_~k~5 10), 161379#(<= ULTIMATE.start_main_~k~5 11), 161376#(<= ULTIMATE.start_main_~k~5 8), 161377#(<= ULTIMATE.start_main_~k~5 9), 161382#(<= ULTIMATE.start_main_~k~5 14), 161383#(<= ULTIMATE.start_main_~k~5 15), 161380#(<= ULTIMATE.start_main_~k~5 12), 161381#(<= ULTIMATE.start_main_~k~5 13), 161386#(<= ULTIMATE.start_main_~k~5 18), 161387#(<= ULTIMATE.start_main_~k~5 19), 161384#(<= ULTIMATE.start_main_~k~5 16), 161385#(<= ULTIMATE.start_main_~k~5 17), 161390#(<= ULTIMATE.start_main_~k~5 22), 161391#(<= ULTIMATE.start_main_~k~5 23), 161388#(<= ULTIMATE.start_main_~k~5 20), 161389#(<= ULTIMATE.start_main_~k~5 21), 161394#(<= ULTIMATE.start_main_~k~5 26), 161395#(<= ULTIMATE.start_main_~k~5 27), 161392#(<= ULTIMATE.start_main_~k~5 24), 161393#(<= ULTIMATE.start_main_~k~5 25), 161398#(<= ULTIMATE.start_main_~k~5 30), 161399#(<= ULTIMATE.start_main_~k~5 31), 161396#(<= ULTIMATE.start_main_~k~5 28), 161397#(<= ULTIMATE.start_main_~k~5 29), 161402#(<= ULTIMATE.start_main_~k~5 34), 161403#(<= ULTIMATE.start_main_~k~5 35), 161400#(<= ULTIMATE.start_main_~k~5 32), 161401#(<= ULTIMATE.start_main_~k~5 33), 161406#(<= ULTIMATE.start_main_~k~5 38), 161407#(<= ULTIMATE.start_main_~k~5 39), 161404#(<= ULTIMATE.start_main_~k~5 36), 161405#(<= ULTIMATE.start_main_~k~5 37), 161410#(<= ULTIMATE.start_main_~k~5 42), 161411#(<= ULTIMATE.start_main_~k~5 43), 161408#(<= ULTIMATE.start_main_~k~5 40), 161409#(<= ULTIMATE.start_main_~k~5 41), 161414#(<= ULTIMATE.start_main_~k~5 46), 161415#(<= ULTIMATE.start_main_~k~5 47), 161412#(<= ULTIMATE.start_main_~k~5 44), 161413#(<= ULTIMATE.start_main_~k~5 45), 161418#(<= ULTIMATE.start_main_~k~5 50), 161419#(<= ULTIMATE.start_main_~k~5 51), 161416#(<= ULTIMATE.start_main_~k~5 48), 161417#(<= ULTIMATE.start_main_~k~5 49), 161422#(<= ULTIMATE.start_main_~k~5 54), 161423#(<= ULTIMATE.start_main_~k~5 55), 161420#(<= ULTIMATE.start_main_~k~5 52), 161421#(<= ULTIMATE.start_main_~k~5 53), 161426#(<= ULTIMATE.start_main_~k~5 58), 161427#(<= ULTIMATE.start_main_~k~5 59), 161424#(<= ULTIMATE.start_main_~k~5 56), 161425#(<= ULTIMATE.start_main_~k~5 57), 161430#(<= ULTIMATE.start_main_~k~5 62), 161431#(<= ULTIMATE.start_main_~k~5 63), 161428#(<= ULTIMATE.start_main_~k~5 60), 161429#(<= ULTIMATE.start_main_~k~5 61), 161434#(<= ULTIMATE.start_main_~k~5 66), 161435#(<= ULTIMATE.start_main_~k~5 67), 161432#(<= ULTIMATE.start_main_~k~5 64), 161433#(<= ULTIMATE.start_main_~k~5 65), 161438#(<= ULTIMATE.start_main_~k~5 70), 161439#(<= ULTIMATE.start_main_~k~5 71), 161436#(<= ULTIMATE.start_main_~k~5 68), 161437#(<= ULTIMATE.start_main_~k~5 69), 161442#(<= ULTIMATE.start_main_~k~5 74), 161443#(<= ULTIMATE.start_main_~k~5 75), 161440#(<= ULTIMATE.start_main_~k~5 72), 161441#(<= ULTIMATE.start_main_~k~5 73), 161446#(<= ULTIMATE.start_main_~k~5 78), 161447#(<= ULTIMATE.start_main_~k~5 79), 161444#(<= ULTIMATE.start_main_~k~5 76), 161445#(<= ULTIMATE.start_main_~k~5 77), 161450#(<= ULTIMATE.start_main_~k~5 82), 161451#(<= ULTIMATE.start_main_~k~5 83), 161448#(<= ULTIMATE.start_main_~k~5 80), 161449#(<= ULTIMATE.start_main_~k~5 81), 161454#(<= ULTIMATE.start_main_~k~5 86), 161455#(<= ULTIMATE.start_main_~k~5 87), 161452#(<= ULTIMATE.start_main_~k~5 84), 161453#(<= ULTIMATE.start_main_~k~5 85), 161458#(<= ULTIMATE.start_main_~k~5 90), 161459#(<= ULTIMATE.start_main_~k~5 91), 161456#(<= ULTIMATE.start_main_~k~5 88), 161457#(<= ULTIMATE.start_main_~k~5 89), 161462#(<= ULTIMATE.start_main_~k~5 94), 161463#(<= ULTIMATE.start_main_~k~5 95), 161460#(<= ULTIMATE.start_main_~k~5 92), 161461#(<= ULTIMATE.start_main_~k~5 93), 161466#(<= ULTIMATE.start_main_~k~5 98), 161467#(<= ULTIMATE.start_main_~k~5 99), 161464#(<= ULTIMATE.start_main_~k~5 96), 161465#(<= ULTIMATE.start_main_~k~5 97), 161470#(<= ULTIMATE.start_main_~k~5 102), 161471#(<= ULTIMATE.start_main_~k~5 103), 161468#(<= ULTIMATE.start_main_~k~5 100), 161469#(<= ULTIMATE.start_main_~k~5 101), 161474#(<= ULTIMATE.start_main_~k~5 106), 161475#(<= ULTIMATE.start_main_~k~5 107), 161472#(<= ULTIMATE.start_main_~k~5 104), 161473#(<= ULTIMATE.start_main_~k~5 105), 161478#(<= ULTIMATE.start_main_~k~5 110), 161479#(<= ULTIMATE.start_main_~k~5 111), 161476#(<= ULTIMATE.start_main_~k~5 108), 161477#(<= ULTIMATE.start_main_~k~5 109), 161482#(<= ULTIMATE.start_main_~k~5 114), 161483#(<= ULTIMATE.start_main_~k~5 115), 161480#(<= ULTIMATE.start_main_~k~5 112), 161481#(<= ULTIMATE.start_main_~k~5 113), 161486#(<= ULTIMATE.start_main_~k~5 118), 161487#(<= ULTIMATE.start_main_~k~5 119), 161484#(<= ULTIMATE.start_main_~k~5 116), 161485#(<= ULTIMATE.start_main_~k~5 117), 161490#(<= ULTIMATE.start_main_~k~5 122), 161491#(<= ULTIMATE.start_main_~k~5 123), 161488#(<= ULTIMATE.start_main_~k~5 120), 161489#(<= ULTIMATE.start_main_~k~5 121), 161494#(<= ULTIMATE.start_main_~k~5 126), 161495#(<= ULTIMATE.start_main_~k~5 127), 161492#(<= ULTIMATE.start_main_~k~5 124), 161493#(<= ULTIMATE.start_main_~k~5 125), 161498#(<= ULTIMATE.start_main_~k~5 130), 161499#(<= ULTIMATE.start_main_~k~5 131), 161496#(<= ULTIMATE.start_main_~k~5 128), 161497#(<= ULTIMATE.start_main_~k~5 129), 161502#(<= ULTIMATE.start_main_~k~5 134), 161503#(<= ULTIMATE.start_main_~k~5 135), 161500#(<= ULTIMATE.start_main_~k~5 132), 161501#(<= ULTIMATE.start_main_~k~5 133), 161506#(<= ULTIMATE.start_main_~k~5 138), 161507#(<= ULTIMATE.start_main_~k~5 139), 161504#(<= ULTIMATE.start_main_~k~5 136), 161505#(<= ULTIMATE.start_main_~k~5 137), 161510#(<= ULTIMATE.start_main_~k~5 142), 161511#(<= ULTIMATE.start_main_~k~5 143), 161508#(<= ULTIMATE.start_main_~k~5 140), 161509#(<= ULTIMATE.start_main_~k~5 141), 161514#(<= ULTIMATE.start_main_~k~5 146), 161515#(<= ULTIMATE.start_main_~k~5 147), 161512#(<= ULTIMATE.start_main_~k~5 144), 161513#(<= ULTIMATE.start_main_~k~5 145), 161518#(<= ULTIMATE.start_main_~k~5 150), 161519#(<= ULTIMATE.start_main_~k~5 151), 161516#(<= ULTIMATE.start_main_~k~5 148), 161517#(<= ULTIMATE.start_main_~k~5 149), 161522#(<= ULTIMATE.start_main_~k~5 154), 161523#(<= ULTIMATE.start_main_~k~5 155), 161520#(<= ULTIMATE.start_main_~k~5 152), 161521#(<= ULTIMATE.start_main_~k~5 153), 161526#(<= ULTIMATE.start_main_~k~5 158), 161527#(<= ULTIMATE.start_main_~k~5 159), 161524#(<= ULTIMATE.start_main_~k~5 156), 161525#(<= ULTIMATE.start_main_~k~5 157), 161530#(<= ULTIMATE.start_main_~k~5 162), 161531#(<= ULTIMATE.start_main_~k~5 163), 161528#(<= ULTIMATE.start_main_~k~5 160), 161529#(<= ULTIMATE.start_main_~k~5 161), 161534#(<= ULTIMATE.start_main_~k~5 166), 161535#(<= ULTIMATE.start_main_~k~5 167), 161532#(<= ULTIMATE.start_main_~k~5 164), 161533#(<= ULTIMATE.start_main_~k~5 165)] [2018-07-23 13:48:14,500 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 13:48:14,500 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:48:14,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:48:14,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:48:14,505 INFO L87 Difference]: Start difference. First operand 377 states and 377 transitions. Second operand 189 states. [2018-07-23 13:48:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:15,831 INFO L93 Difference]: Finished difference Result 381 states and 381 transitions. [2018-07-23 13:48:15,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:48:15,831 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 376 [2018-07-23 13:48:15,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:15,832 INFO L225 Difference]: With dead ends: 381 [2018-07-23 13:48:15,832 INFO L226 Difference]: Without dead ends: 379 [2018-07-23 13:48:15,836 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 13:48:15,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-07-23 13:48:15,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-07-23 13:48:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-07-23 13:48:15,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 379 transitions. [2018-07-23 13:48:15,840 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 379 transitions. Word has length 376 [2018-07-23 13:48:15,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:15,841 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 379 transitions. [2018-07-23 13:48:15,841 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:48:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 379 transitions. [2018-07-23 13:48:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-07-23 13:48:15,842 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:15,842 INFO L357 BasicCegarLoop]: trace histogram [188, 187, 1, 1, 1] [2018-07-23 13:48:15,842 INFO L414 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:15,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1552198949, now seen corresponding path program 187 times [2018-07-23 13:48:15,842 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:17,972 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 13:48:17,972 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:17,972 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:48:17,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:17,973 INFO L185 omatonBuilderFactory]: Interpolants [163075#true, 163078#(<= ULTIMATE.start_main_~k~5 1), 163079#(<= ULTIMATE.start_main_~k~5 2), 163076#false, 163077#(<= ULTIMATE.start_main_~k~5 0), 163082#(<= ULTIMATE.start_main_~k~5 5), 163083#(<= ULTIMATE.start_main_~k~5 6), 163080#(<= ULTIMATE.start_main_~k~5 3), 163081#(<= ULTIMATE.start_main_~k~5 4), 163086#(<= ULTIMATE.start_main_~k~5 9), 163087#(<= ULTIMATE.start_main_~k~5 10), 163084#(<= ULTIMATE.start_main_~k~5 7), 163085#(<= ULTIMATE.start_main_~k~5 8), 163090#(<= ULTIMATE.start_main_~k~5 13), 163091#(<= ULTIMATE.start_main_~k~5 14), 163088#(<= ULTIMATE.start_main_~k~5 11), 163089#(<= ULTIMATE.start_main_~k~5 12), 163094#(<= ULTIMATE.start_main_~k~5 17), 163095#(<= ULTIMATE.start_main_~k~5 18), 163092#(<= ULTIMATE.start_main_~k~5 15), 163093#(<= ULTIMATE.start_main_~k~5 16), 163098#(<= ULTIMATE.start_main_~k~5 21), 163099#(<= ULTIMATE.start_main_~k~5 22), 163096#(<= ULTIMATE.start_main_~k~5 19), 163097#(<= ULTIMATE.start_main_~k~5 20), 163102#(<= ULTIMATE.start_main_~k~5 25), 163103#(<= ULTIMATE.start_main_~k~5 26), 163100#(<= ULTIMATE.start_main_~k~5 23), 163101#(<= ULTIMATE.start_main_~k~5 24), 163106#(<= ULTIMATE.start_main_~k~5 29), 163107#(<= ULTIMATE.start_main_~k~5 30), 163104#(<= ULTIMATE.start_main_~k~5 27), 163105#(<= ULTIMATE.start_main_~k~5 28), 163110#(<= ULTIMATE.start_main_~k~5 33), 163111#(<= ULTIMATE.start_main_~k~5 34), 163108#(<= ULTIMATE.start_main_~k~5 31), 163109#(<= ULTIMATE.start_main_~k~5 32), 163114#(<= ULTIMATE.start_main_~k~5 37), 163115#(<= ULTIMATE.start_main_~k~5 38), 163112#(<= ULTIMATE.start_main_~k~5 35), 163113#(<= ULTIMATE.start_main_~k~5 36), 163118#(<= ULTIMATE.start_main_~k~5 41), 163119#(<= ULTIMATE.start_main_~k~5 42), 163116#(<= ULTIMATE.start_main_~k~5 39), 163117#(<= ULTIMATE.start_main_~k~5 40), 163122#(<= ULTIMATE.start_main_~k~5 45), 163123#(<= ULTIMATE.start_main_~k~5 46), 163120#(<= ULTIMATE.start_main_~k~5 43), 163121#(<= ULTIMATE.start_main_~k~5 44), 163126#(<= ULTIMATE.start_main_~k~5 49), 163127#(<= ULTIMATE.start_main_~k~5 50), 163124#(<= ULTIMATE.start_main_~k~5 47), 163125#(<= ULTIMATE.start_main_~k~5 48), 163130#(<= ULTIMATE.start_main_~k~5 53), 163131#(<= ULTIMATE.start_main_~k~5 54), 163128#(<= ULTIMATE.start_main_~k~5 51), 163129#(<= ULTIMATE.start_main_~k~5 52), 163134#(<= ULTIMATE.start_main_~k~5 57), 163135#(<= ULTIMATE.start_main_~k~5 58), 163132#(<= ULTIMATE.start_main_~k~5 55), 163133#(<= ULTIMATE.start_main_~k~5 56), 163138#(<= ULTIMATE.start_main_~k~5 61), 163139#(<= ULTIMATE.start_main_~k~5 62), 163136#(<= ULTIMATE.start_main_~k~5 59), 163137#(<= ULTIMATE.start_main_~k~5 60), 163142#(<= ULTIMATE.start_main_~k~5 65), 163143#(<= ULTIMATE.start_main_~k~5 66), 163140#(<= ULTIMATE.start_main_~k~5 63), 163141#(<= ULTIMATE.start_main_~k~5 64), 163146#(<= ULTIMATE.start_main_~k~5 69), 163147#(<= ULTIMATE.start_main_~k~5 70), 163144#(<= ULTIMATE.start_main_~k~5 67), 163145#(<= ULTIMATE.start_main_~k~5 68), 163150#(<= ULTIMATE.start_main_~k~5 73), 163151#(<= ULTIMATE.start_main_~k~5 74), 163148#(<= ULTIMATE.start_main_~k~5 71), 163149#(<= ULTIMATE.start_main_~k~5 72), 163154#(<= ULTIMATE.start_main_~k~5 77), 163155#(<= ULTIMATE.start_main_~k~5 78), 163152#(<= ULTIMATE.start_main_~k~5 75), 163153#(<= ULTIMATE.start_main_~k~5 76), 163158#(<= ULTIMATE.start_main_~k~5 81), 163159#(<= ULTIMATE.start_main_~k~5 82), 163156#(<= ULTIMATE.start_main_~k~5 79), 163157#(<= ULTIMATE.start_main_~k~5 80), 163162#(<= ULTIMATE.start_main_~k~5 85), 163163#(<= ULTIMATE.start_main_~k~5 86), 163160#(<= ULTIMATE.start_main_~k~5 83), 163161#(<= ULTIMATE.start_main_~k~5 84), 163166#(<= ULTIMATE.start_main_~k~5 89), 163167#(<= ULTIMATE.start_main_~k~5 90), 163164#(<= ULTIMATE.start_main_~k~5 87), 163165#(<= ULTIMATE.start_main_~k~5 88), 163170#(<= ULTIMATE.start_main_~k~5 93), 163171#(<= ULTIMATE.start_main_~k~5 94), 163168#(<= ULTIMATE.start_main_~k~5 91), 163169#(<= ULTIMATE.start_main_~k~5 92), 163174#(<= ULTIMATE.start_main_~k~5 97), 163175#(<= ULTIMATE.start_main_~k~5 98), 163172#(<= ULTIMATE.start_main_~k~5 95), 163173#(<= ULTIMATE.start_main_~k~5 96), 163178#(<= ULTIMATE.start_main_~k~5 101), 163179#(<= ULTIMATE.start_main_~k~5 102), 163176#(<= ULTIMATE.start_main_~k~5 99), 163177#(<= ULTIMATE.start_main_~k~5 100), 163182#(<= ULTIMATE.start_main_~k~5 105), 163183#(<= ULTIMATE.start_main_~k~5 106), 163180#(<= ULTIMATE.start_main_~k~5 103), 163181#(<= ULTIMATE.start_main_~k~5 104), 163186#(<= ULTIMATE.start_main_~k~5 109), 163187#(<= ULTIMATE.start_main_~k~5 110), 163184#(<= ULTIMATE.start_main_~k~5 107), 163185#(<= ULTIMATE.start_main_~k~5 108), 163190#(<= ULTIMATE.start_main_~k~5 113), 163191#(<= ULTIMATE.start_main_~k~5 114), 163188#(<= ULTIMATE.start_main_~k~5 111), 163189#(<= ULTIMATE.start_main_~k~5 112), 163194#(<= ULTIMATE.start_main_~k~5 117), 163195#(<= ULTIMATE.start_main_~k~5 118), 163192#(<= ULTIMATE.start_main_~k~5 115), 163193#(<= ULTIMATE.start_main_~k~5 116), 163198#(<= ULTIMATE.start_main_~k~5 121), 163199#(<= ULTIMATE.start_main_~k~5 122), 163196#(<= ULTIMATE.start_main_~k~5 119), 163197#(<= ULTIMATE.start_main_~k~5 120), 163202#(<= ULTIMATE.start_main_~k~5 125), 163203#(<= ULTIMATE.start_main_~k~5 126), 163200#(<= ULTIMATE.start_main_~k~5 123), 163201#(<= ULTIMATE.start_main_~k~5 124), 163206#(<= ULTIMATE.start_main_~k~5 129), 163207#(<= ULTIMATE.start_main_~k~5 130), 163204#(<= ULTIMATE.start_main_~k~5 127), 163205#(<= ULTIMATE.start_main_~k~5 128), 163210#(<= ULTIMATE.start_main_~k~5 133), 163211#(<= ULTIMATE.start_main_~k~5 134), 163208#(<= ULTIMATE.start_main_~k~5 131), 163209#(<= ULTIMATE.start_main_~k~5 132), 163214#(<= ULTIMATE.start_main_~k~5 137), 163215#(<= ULTIMATE.start_main_~k~5 138), 163212#(<= ULTIMATE.start_main_~k~5 135), 163213#(<= ULTIMATE.start_main_~k~5 136), 163218#(<= ULTIMATE.start_main_~k~5 141), 163219#(<= ULTIMATE.start_main_~k~5 142), 163216#(<= ULTIMATE.start_main_~k~5 139), 163217#(<= ULTIMATE.start_main_~k~5 140), 163222#(<= ULTIMATE.start_main_~k~5 145), 163223#(<= ULTIMATE.start_main_~k~5 146), 163220#(<= ULTIMATE.start_main_~k~5 143), 163221#(<= ULTIMATE.start_main_~k~5 144), 163226#(<= ULTIMATE.start_main_~k~5 149), 163227#(<= ULTIMATE.start_main_~k~5 150), 163224#(<= ULTIMATE.start_main_~k~5 147), 163225#(<= ULTIMATE.start_main_~k~5 148), 163230#(<= ULTIMATE.start_main_~k~5 153), 163231#(<= ULTIMATE.start_main_~k~5 154), 163228#(<= ULTIMATE.start_main_~k~5 151), 163229#(<= ULTIMATE.start_main_~k~5 152), 163234#(<= ULTIMATE.start_main_~k~5 157), 163235#(<= ULTIMATE.start_main_~k~5 158), 163232#(<= ULTIMATE.start_main_~k~5 155), 163233#(<= ULTIMATE.start_main_~k~5 156), 163238#(<= ULTIMATE.start_main_~k~5 161), 163239#(<= ULTIMATE.start_main_~k~5 162), 163236#(<= ULTIMATE.start_main_~k~5 159), 163237#(<= ULTIMATE.start_main_~k~5 160), 163242#(<= ULTIMATE.start_main_~k~5 165), 163243#(<= ULTIMATE.start_main_~k~5 166), 163240#(<= ULTIMATE.start_main_~k~5 163), 163241#(<= ULTIMATE.start_main_~k~5 164), 163246#(<= ULTIMATE.start_main_~k~5 169), 163247#(<= ULTIMATE.start_main_~k~5 170), 163244#(<= ULTIMATE.start_main_~k~5 167), 163245#(<= ULTIMATE.start_main_~k~5 168), 163250#(<= ULTIMATE.start_main_~k~5 173), 163251#(<= ULTIMATE.start_main_~k~5 174), 163248#(<= ULTIMATE.start_main_~k~5 171), 163249#(<= ULTIMATE.start_main_~k~5 172), 163254#(<= ULTIMATE.start_main_~k~5 177), 163255#(<= ULTIMATE.start_main_~k~5 178), 163252#(<= ULTIMATE.start_main_~k~5 175), 163253#(<= ULTIMATE.start_main_~k~5 176), 163258#(<= ULTIMATE.start_main_~k~5 181), 163259#(<= ULTIMATE.start_main_~k~5 182), 163256#(<= ULTIMATE.start_main_~k~5 179), 163257#(<= ULTIMATE.start_main_~k~5 180), 163262#(<= ULTIMATE.start_main_~k~5 185), 163263#(<= ULTIMATE.start_main_~k~5 186), 163260#(<= ULTIMATE.start_main_~k~5 183), 163261#(<= ULTIMATE.start_main_~k~5 184), 163264#(<= ULTIMATE.start_main_~k~5 187)] [2018-07-23 13:48:17,974 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 13:48:17,975 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:48:17,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:48:17,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:48:17,977 INFO L87 Difference]: Start difference. First operand 379 states and 379 transitions. Second operand 190 states. [2018-07-23 13:48:19,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:19,881 INFO L93 Difference]: Finished difference Result 383 states and 383 transitions. [2018-07-23 13:48:19,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:48:19,881 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 378 [2018-07-23 13:48:19,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:19,882 INFO L225 Difference]: With dead ends: 383 [2018-07-23 13:48:19,882 INFO L226 Difference]: Without dead ends: 381 [2018-07-23 13:48:19,884 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:48:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-07-23 13:48:19,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-07-23 13:48:19,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-07-23 13:48:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 381 transitions. [2018-07-23 13:48:19,888 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 381 transitions. Word has length 378 [2018-07-23 13:48:19,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:19,889 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 381 transitions. [2018-07-23 13:48:19,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:48:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 381 transitions. [2018-07-23 13:48:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-07-23 13:48:19,890 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:19,890 INFO L357 BasicCegarLoop]: trace histogram [189, 188, 1, 1, 1] [2018-07-23 13:48:19,890 INFO L414 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:19,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1309590367, now seen corresponding path program 188 times [2018-07-23 13:48:19,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:22,001 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 13:48:22,002 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:22,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:48:22,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:22,002 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 13:48:22,003 INFO L185 omatonBuilderFactory]: Interpolants [164866#(<= ULTIMATE.start_main_~k~5 71), 164867#(<= ULTIMATE.start_main_~k~5 72), 164864#(<= ULTIMATE.start_main_~k~5 69), 164865#(<= ULTIMATE.start_main_~k~5 70), 164870#(<= ULTIMATE.start_main_~k~5 75), 164871#(<= ULTIMATE.start_main_~k~5 76), 164868#(<= ULTIMATE.start_main_~k~5 73), 164869#(<= ULTIMATE.start_main_~k~5 74), 164874#(<= ULTIMATE.start_main_~k~5 79), 164875#(<= ULTIMATE.start_main_~k~5 80), 164872#(<= ULTIMATE.start_main_~k~5 77), 164873#(<= ULTIMATE.start_main_~k~5 78), 164878#(<= ULTIMATE.start_main_~k~5 83), 164879#(<= ULTIMATE.start_main_~k~5 84), 164876#(<= ULTIMATE.start_main_~k~5 81), 164877#(<= ULTIMATE.start_main_~k~5 82), 164882#(<= ULTIMATE.start_main_~k~5 87), 164883#(<= ULTIMATE.start_main_~k~5 88), 164880#(<= ULTIMATE.start_main_~k~5 85), 164881#(<= ULTIMATE.start_main_~k~5 86), 164886#(<= ULTIMATE.start_main_~k~5 91), 164887#(<= ULTIMATE.start_main_~k~5 92), 164884#(<= ULTIMATE.start_main_~k~5 89), 164885#(<= ULTIMATE.start_main_~k~5 90), 164890#(<= ULTIMATE.start_main_~k~5 95), 164891#(<= ULTIMATE.start_main_~k~5 96), 164888#(<= ULTIMATE.start_main_~k~5 93), 164889#(<= ULTIMATE.start_main_~k~5 94), 164894#(<= ULTIMATE.start_main_~k~5 99), 164895#(<= ULTIMATE.start_main_~k~5 100), 164892#(<= ULTIMATE.start_main_~k~5 97), 164893#(<= ULTIMATE.start_main_~k~5 98), 164898#(<= ULTIMATE.start_main_~k~5 103), 164899#(<= ULTIMATE.start_main_~k~5 104), 164896#(<= ULTIMATE.start_main_~k~5 101), 164897#(<= ULTIMATE.start_main_~k~5 102), 164902#(<= ULTIMATE.start_main_~k~5 107), 164903#(<= ULTIMATE.start_main_~k~5 108), 164900#(<= ULTIMATE.start_main_~k~5 105), 164901#(<= ULTIMATE.start_main_~k~5 106), 164906#(<= ULTIMATE.start_main_~k~5 111), 164907#(<= ULTIMATE.start_main_~k~5 112), 164904#(<= ULTIMATE.start_main_~k~5 109), 164905#(<= ULTIMATE.start_main_~k~5 110), 164910#(<= ULTIMATE.start_main_~k~5 115), 164911#(<= ULTIMATE.start_main_~k~5 116), 164908#(<= ULTIMATE.start_main_~k~5 113), 164909#(<= ULTIMATE.start_main_~k~5 114), 164914#(<= ULTIMATE.start_main_~k~5 119), 164915#(<= ULTIMATE.start_main_~k~5 120), 164912#(<= ULTIMATE.start_main_~k~5 117), 164913#(<= ULTIMATE.start_main_~k~5 118), 164918#(<= ULTIMATE.start_main_~k~5 123), 164919#(<= ULTIMATE.start_main_~k~5 124), 164916#(<= ULTIMATE.start_main_~k~5 121), 164917#(<= ULTIMATE.start_main_~k~5 122), 164922#(<= ULTIMATE.start_main_~k~5 127), 164923#(<= ULTIMATE.start_main_~k~5 128), 164920#(<= ULTIMATE.start_main_~k~5 125), 164921#(<= ULTIMATE.start_main_~k~5 126), 164926#(<= ULTIMATE.start_main_~k~5 131), 164927#(<= ULTIMATE.start_main_~k~5 132), 164924#(<= ULTIMATE.start_main_~k~5 129), 164925#(<= ULTIMATE.start_main_~k~5 130), 164930#(<= ULTIMATE.start_main_~k~5 135), 164931#(<= ULTIMATE.start_main_~k~5 136), 164928#(<= ULTIMATE.start_main_~k~5 133), 164929#(<= ULTIMATE.start_main_~k~5 134), 164934#(<= ULTIMATE.start_main_~k~5 139), 164935#(<= ULTIMATE.start_main_~k~5 140), 164932#(<= ULTIMATE.start_main_~k~5 137), 164933#(<= ULTIMATE.start_main_~k~5 138), 164938#(<= ULTIMATE.start_main_~k~5 143), 164939#(<= ULTIMATE.start_main_~k~5 144), 164936#(<= ULTIMATE.start_main_~k~5 141), 164937#(<= ULTIMATE.start_main_~k~5 142), 164942#(<= ULTIMATE.start_main_~k~5 147), 164943#(<= ULTIMATE.start_main_~k~5 148), 164940#(<= ULTIMATE.start_main_~k~5 145), 164941#(<= ULTIMATE.start_main_~k~5 146), 164946#(<= ULTIMATE.start_main_~k~5 151), 164947#(<= ULTIMATE.start_main_~k~5 152), 164944#(<= ULTIMATE.start_main_~k~5 149), 164945#(<= ULTIMATE.start_main_~k~5 150), 164950#(<= ULTIMATE.start_main_~k~5 155), 164951#(<= ULTIMATE.start_main_~k~5 156), 164948#(<= ULTIMATE.start_main_~k~5 153), 164949#(<= ULTIMATE.start_main_~k~5 154), 164954#(<= ULTIMATE.start_main_~k~5 159), 164955#(<= ULTIMATE.start_main_~k~5 160), 164952#(<= ULTIMATE.start_main_~k~5 157), 164953#(<= ULTIMATE.start_main_~k~5 158), 164958#(<= ULTIMATE.start_main_~k~5 163), 164959#(<= ULTIMATE.start_main_~k~5 164), 164956#(<= ULTIMATE.start_main_~k~5 161), 164957#(<= ULTIMATE.start_main_~k~5 162), 164962#(<= ULTIMATE.start_main_~k~5 167), 164963#(<= ULTIMATE.start_main_~k~5 168), 164960#(<= ULTIMATE.start_main_~k~5 165), 164961#(<= ULTIMATE.start_main_~k~5 166), 164966#(<= ULTIMATE.start_main_~k~5 171), 164967#(<= ULTIMATE.start_main_~k~5 172), 164964#(<= ULTIMATE.start_main_~k~5 169), 164965#(<= ULTIMATE.start_main_~k~5 170), 164970#(<= ULTIMATE.start_main_~k~5 175), 164971#(<= ULTIMATE.start_main_~k~5 176), 164968#(<= ULTIMATE.start_main_~k~5 173), 164969#(<= ULTIMATE.start_main_~k~5 174), 164974#(<= ULTIMATE.start_main_~k~5 179), 164975#(<= ULTIMATE.start_main_~k~5 180), 164972#(<= ULTIMATE.start_main_~k~5 177), 164973#(<= ULTIMATE.start_main_~k~5 178), 164978#(<= ULTIMATE.start_main_~k~5 183), 164979#(<= ULTIMATE.start_main_~k~5 184), 164976#(<= ULTIMATE.start_main_~k~5 181), 164977#(<= ULTIMATE.start_main_~k~5 182), 164982#(<= ULTIMATE.start_main_~k~5 187), 164983#(<= ULTIMATE.start_main_~k~5 188), 164980#(<= ULTIMATE.start_main_~k~5 185), 164981#(<= ULTIMATE.start_main_~k~5 186), 164794#false, 164795#(<= ULTIMATE.start_main_~k~5 0), 164793#true, 164798#(<= ULTIMATE.start_main_~k~5 3), 164799#(<= ULTIMATE.start_main_~k~5 4), 164796#(<= ULTIMATE.start_main_~k~5 1), 164797#(<= ULTIMATE.start_main_~k~5 2), 164802#(<= ULTIMATE.start_main_~k~5 7), 164803#(<= ULTIMATE.start_main_~k~5 8), 164800#(<= ULTIMATE.start_main_~k~5 5), 164801#(<= ULTIMATE.start_main_~k~5 6), 164806#(<= ULTIMATE.start_main_~k~5 11), 164807#(<= ULTIMATE.start_main_~k~5 12), 164804#(<= ULTIMATE.start_main_~k~5 9), 164805#(<= ULTIMATE.start_main_~k~5 10), 164810#(<= ULTIMATE.start_main_~k~5 15), 164811#(<= ULTIMATE.start_main_~k~5 16), 164808#(<= ULTIMATE.start_main_~k~5 13), 164809#(<= ULTIMATE.start_main_~k~5 14), 164814#(<= ULTIMATE.start_main_~k~5 19), 164815#(<= ULTIMATE.start_main_~k~5 20), 164812#(<= ULTIMATE.start_main_~k~5 17), 164813#(<= ULTIMATE.start_main_~k~5 18), 164818#(<= ULTIMATE.start_main_~k~5 23), 164819#(<= ULTIMATE.start_main_~k~5 24), 164816#(<= ULTIMATE.start_main_~k~5 21), 164817#(<= ULTIMATE.start_main_~k~5 22), 164822#(<= ULTIMATE.start_main_~k~5 27), 164823#(<= ULTIMATE.start_main_~k~5 28), 164820#(<= ULTIMATE.start_main_~k~5 25), 164821#(<= ULTIMATE.start_main_~k~5 26), 164826#(<= ULTIMATE.start_main_~k~5 31), 164827#(<= ULTIMATE.start_main_~k~5 32), 164824#(<= ULTIMATE.start_main_~k~5 29), 164825#(<= ULTIMATE.start_main_~k~5 30), 164830#(<= ULTIMATE.start_main_~k~5 35), 164831#(<= ULTIMATE.start_main_~k~5 36), 164828#(<= ULTIMATE.start_main_~k~5 33), 164829#(<= ULTIMATE.start_main_~k~5 34), 164834#(<= ULTIMATE.start_main_~k~5 39), 164835#(<= ULTIMATE.start_main_~k~5 40), 164832#(<= ULTIMATE.start_main_~k~5 37), 164833#(<= ULTIMATE.start_main_~k~5 38), 164838#(<= ULTIMATE.start_main_~k~5 43), 164839#(<= ULTIMATE.start_main_~k~5 44), 164836#(<= ULTIMATE.start_main_~k~5 41), 164837#(<= ULTIMATE.start_main_~k~5 42), 164842#(<= ULTIMATE.start_main_~k~5 47), 164843#(<= ULTIMATE.start_main_~k~5 48), 164840#(<= ULTIMATE.start_main_~k~5 45), 164841#(<= ULTIMATE.start_main_~k~5 46), 164846#(<= ULTIMATE.start_main_~k~5 51), 164847#(<= ULTIMATE.start_main_~k~5 52), 164844#(<= ULTIMATE.start_main_~k~5 49), 164845#(<= ULTIMATE.start_main_~k~5 50), 164850#(<= ULTIMATE.start_main_~k~5 55), 164851#(<= ULTIMATE.start_main_~k~5 56), 164848#(<= ULTIMATE.start_main_~k~5 53), 164849#(<= ULTIMATE.start_main_~k~5 54), 164854#(<= ULTIMATE.start_main_~k~5 59), 164855#(<= ULTIMATE.start_main_~k~5 60), 164852#(<= ULTIMATE.start_main_~k~5 57), 164853#(<= ULTIMATE.start_main_~k~5 58), 164858#(<= ULTIMATE.start_main_~k~5 63), 164859#(<= ULTIMATE.start_main_~k~5 64), 164856#(<= ULTIMATE.start_main_~k~5 61), 164857#(<= ULTIMATE.start_main_~k~5 62), 164862#(<= ULTIMATE.start_main_~k~5 67), 164863#(<= ULTIMATE.start_main_~k~5 68), 164860#(<= ULTIMATE.start_main_~k~5 65), 164861#(<= ULTIMATE.start_main_~k~5 66)] [2018-07-23 13:48:22,005 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 13:48:22,005 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:48:22,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:48:22,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:48:22,010 INFO L87 Difference]: Start difference. First operand 381 states and 381 transitions. Second operand 191 states. [2018-07-23 13:48:22,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:22,905 INFO L93 Difference]: Finished difference Result 385 states and 385 transitions. [2018-07-23 13:48:22,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:48:22,905 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 380 [2018-07-23 13:48:22,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:22,906 INFO L225 Difference]: With dead ends: 385 [2018-07-23 13:48:22,906 INFO L226 Difference]: Without dead ends: 383 [2018-07-23 13:48:22,909 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:48:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-07-23 13:48:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2018-07-23 13:48:22,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-07-23 13:48:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 383 transitions. [2018-07-23 13:48:22,914 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 383 transitions. Word has length 380 [2018-07-23 13:48:22,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:22,914 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 383 transitions. [2018-07-23 13:48:22,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:48:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 383 transitions. [2018-07-23 13:48:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-07-23 13:48:22,916 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:22,916 INFO L357 BasicCegarLoop]: trace histogram [190, 189, 1, 1, 1] [2018-07-23 13:48:22,916 INFO L414 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash 90977049, now seen corresponding path program 189 times [2018-07-23 13:48:22,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:24,976 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 13:48:24,976 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:24,977 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:48:24,977 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:24,977 INFO L185 omatonBuilderFactory]: Interpolants [166658#(<= ULTIMATE.start_main_~k~5 136), 166659#(<= ULTIMATE.start_main_~k~5 137), 166656#(<= ULTIMATE.start_main_~k~5 134), 166657#(<= ULTIMATE.start_main_~k~5 135), 166662#(<= ULTIMATE.start_main_~k~5 140), 166663#(<= ULTIMATE.start_main_~k~5 141), 166660#(<= ULTIMATE.start_main_~k~5 138), 166661#(<= ULTIMATE.start_main_~k~5 139), 166666#(<= ULTIMATE.start_main_~k~5 144), 166667#(<= ULTIMATE.start_main_~k~5 145), 166664#(<= ULTIMATE.start_main_~k~5 142), 166665#(<= ULTIMATE.start_main_~k~5 143), 166670#(<= ULTIMATE.start_main_~k~5 148), 166671#(<= ULTIMATE.start_main_~k~5 149), 166668#(<= ULTIMATE.start_main_~k~5 146), 166669#(<= ULTIMATE.start_main_~k~5 147), 166674#(<= ULTIMATE.start_main_~k~5 152), 166675#(<= ULTIMATE.start_main_~k~5 153), 166672#(<= ULTIMATE.start_main_~k~5 150), 166673#(<= ULTIMATE.start_main_~k~5 151), 166678#(<= ULTIMATE.start_main_~k~5 156), 166679#(<= ULTIMATE.start_main_~k~5 157), 166676#(<= ULTIMATE.start_main_~k~5 154), 166677#(<= ULTIMATE.start_main_~k~5 155), 166682#(<= ULTIMATE.start_main_~k~5 160), 166683#(<= ULTIMATE.start_main_~k~5 161), 166680#(<= ULTIMATE.start_main_~k~5 158), 166681#(<= ULTIMATE.start_main_~k~5 159), 166686#(<= ULTIMATE.start_main_~k~5 164), 166687#(<= ULTIMATE.start_main_~k~5 165), 166684#(<= ULTIMATE.start_main_~k~5 162), 166685#(<= ULTIMATE.start_main_~k~5 163), 166690#(<= ULTIMATE.start_main_~k~5 168), 166691#(<= ULTIMATE.start_main_~k~5 169), 166688#(<= ULTIMATE.start_main_~k~5 166), 166689#(<= ULTIMATE.start_main_~k~5 167), 166694#(<= ULTIMATE.start_main_~k~5 172), 166695#(<= ULTIMATE.start_main_~k~5 173), 166692#(<= ULTIMATE.start_main_~k~5 170), 166693#(<= ULTIMATE.start_main_~k~5 171), 166698#(<= ULTIMATE.start_main_~k~5 176), 166699#(<= ULTIMATE.start_main_~k~5 177), 166696#(<= ULTIMATE.start_main_~k~5 174), 166697#(<= ULTIMATE.start_main_~k~5 175), 166702#(<= ULTIMATE.start_main_~k~5 180), 166703#(<= ULTIMATE.start_main_~k~5 181), 166700#(<= ULTIMATE.start_main_~k~5 178), 166701#(<= ULTIMATE.start_main_~k~5 179), 166706#(<= ULTIMATE.start_main_~k~5 184), 166707#(<= ULTIMATE.start_main_~k~5 185), 166704#(<= ULTIMATE.start_main_~k~5 182), 166705#(<= ULTIMATE.start_main_~k~5 183), 166710#(<= ULTIMATE.start_main_~k~5 188), 166711#(<= ULTIMATE.start_main_~k~5 189), 166708#(<= ULTIMATE.start_main_~k~5 186), 166709#(<= ULTIMATE.start_main_~k~5 187), 166522#(<= ULTIMATE.start_main_~k~5 0), 166523#(<= ULTIMATE.start_main_~k~5 1), 166520#true, 166521#false, 166526#(<= ULTIMATE.start_main_~k~5 4), 166527#(<= ULTIMATE.start_main_~k~5 5), 166524#(<= ULTIMATE.start_main_~k~5 2), 166525#(<= ULTIMATE.start_main_~k~5 3), 166530#(<= ULTIMATE.start_main_~k~5 8), 166531#(<= ULTIMATE.start_main_~k~5 9), 166528#(<= ULTIMATE.start_main_~k~5 6), 166529#(<= ULTIMATE.start_main_~k~5 7), 166534#(<= ULTIMATE.start_main_~k~5 12), 166535#(<= ULTIMATE.start_main_~k~5 13), 166532#(<= ULTIMATE.start_main_~k~5 10), 166533#(<= ULTIMATE.start_main_~k~5 11), 166538#(<= ULTIMATE.start_main_~k~5 16), 166539#(<= ULTIMATE.start_main_~k~5 17), 166536#(<= ULTIMATE.start_main_~k~5 14), 166537#(<= ULTIMATE.start_main_~k~5 15), 166542#(<= ULTIMATE.start_main_~k~5 20), 166543#(<= ULTIMATE.start_main_~k~5 21), 166540#(<= ULTIMATE.start_main_~k~5 18), 166541#(<= ULTIMATE.start_main_~k~5 19), 166546#(<= ULTIMATE.start_main_~k~5 24), 166547#(<= ULTIMATE.start_main_~k~5 25), 166544#(<= ULTIMATE.start_main_~k~5 22), 166545#(<= ULTIMATE.start_main_~k~5 23), 166550#(<= ULTIMATE.start_main_~k~5 28), 166551#(<= ULTIMATE.start_main_~k~5 29), 166548#(<= ULTIMATE.start_main_~k~5 26), 166549#(<= ULTIMATE.start_main_~k~5 27), 166554#(<= ULTIMATE.start_main_~k~5 32), 166555#(<= ULTIMATE.start_main_~k~5 33), 166552#(<= ULTIMATE.start_main_~k~5 30), 166553#(<= ULTIMATE.start_main_~k~5 31), 166558#(<= ULTIMATE.start_main_~k~5 36), 166559#(<= ULTIMATE.start_main_~k~5 37), 166556#(<= ULTIMATE.start_main_~k~5 34), 166557#(<= ULTIMATE.start_main_~k~5 35), 166562#(<= ULTIMATE.start_main_~k~5 40), 166563#(<= ULTIMATE.start_main_~k~5 41), 166560#(<= ULTIMATE.start_main_~k~5 38), 166561#(<= ULTIMATE.start_main_~k~5 39), 166566#(<= ULTIMATE.start_main_~k~5 44), 166567#(<= ULTIMATE.start_main_~k~5 45), 166564#(<= ULTIMATE.start_main_~k~5 42), 166565#(<= ULTIMATE.start_main_~k~5 43), 166570#(<= ULTIMATE.start_main_~k~5 48), 166571#(<= ULTIMATE.start_main_~k~5 49), 166568#(<= ULTIMATE.start_main_~k~5 46), 166569#(<= ULTIMATE.start_main_~k~5 47), 166574#(<= ULTIMATE.start_main_~k~5 52), 166575#(<= ULTIMATE.start_main_~k~5 53), 166572#(<= ULTIMATE.start_main_~k~5 50), 166573#(<= ULTIMATE.start_main_~k~5 51), 166578#(<= ULTIMATE.start_main_~k~5 56), 166579#(<= ULTIMATE.start_main_~k~5 57), 166576#(<= ULTIMATE.start_main_~k~5 54), 166577#(<= ULTIMATE.start_main_~k~5 55), 166582#(<= ULTIMATE.start_main_~k~5 60), 166583#(<= ULTIMATE.start_main_~k~5 61), 166580#(<= ULTIMATE.start_main_~k~5 58), 166581#(<= ULTIMATE.start_main_~k~5 59), 166586#(<= ULTIMATE.start_main_~k~5 64), 166587#(<= ULTIMATE.start_main_~k~5 65), 166584#(<= ULTIMATE.start_main_~k~5 62), 166585#(<= ULTIMATE.start_main_~k~5 63), 166590#(<= ULTIMATE.start_main_~k~5 68), 166591#(<= ULTIMATE.start_main_~k~5 69), 166588#(<= ULTIMATE.start_main_~k~5 66), 166589#(<= ULTIMATE.start_main_~k~5 67), 166594#(<= ULTIMATE.start_main_~k~5 72), 166595#(<= ULTIMATE.start_main_~k~5 73), 166592#(<= ULTIMATE.start_main_~k~5 70), 166593#(<= ULTIMATE.start_main_~k~5 71), 166598#(<= ULTIMATE.start_main_~k~5 76), 166599#(<= ULTIMATE.start_main_~k~5 77), 166596#(<= ULTIMATE.start_main_~k~5 74), 166597#(<= ULTIMATE.start_main_~k~5 75), 166602#(<= ULTIMATE.start_main_~k~5 80), 166603#(<= ULTIMATE.start_main_~k~5 81), 166600#(<= ULTIMATE.start_main_~k~5 78), 166601#(<= ULTIMATE.start_main_~k~5 79), 166606#(<= ULTIMATE.start_main_~k~5 84), 166607#(<= ULTIMATE.start_main_~k~5 85), 166604#(<= ULTIMATE.start_main_~k~5 82), 166605#(<= ULTIMATE.start_main_~k~5 83), 166610#(<= ULTIMATE.start_main_~k~5 88), 166611#(<= ULTIMATE.start_main_~k~5 89), 166608#(<= ULTIMATE.start_main_~k~5 86), 166609#(<= ULTIMATE.start_main_~k~5 87), 166614#(<= ULTIMATE.start_main_~k~5 92), 166615#(<= ULTIMATE.start_main_~k~5 93), 166612#(<= ULTIMATE.start_main_~k~5 90), 166613#(<= ULTIMATE.start_main_~k~5 91), 166618#(<= ULTIMATE.start_main_~k~5 96), 166619#(<= ULTIMATE.start_main_~k~5 97), 166616#(<= ULTIMATE.start_main_~k~5 94), 166617#(<= ULTIMATE.start_main_~k~5 95), 166622#(<= ULTIMATE.start_main_~k~5 100), 166623#(<= ULTIMATE.start_main_~k~5 101), 166620#(<= ULTIMATE.start_main_~k~5 98), 166621#(<= ULTIMATE.start_main_~k~5 99), 166626#(<= ULTIMATE.start_main_~k~5 104), 166627#(<= ULTIMATE.start_main_~k~5 105), 166624#(<= ULTIMATE.start_main_~k~5 102), 166625#(<= ULTIMATE.start_main_~k~5 103), 166630#(<= ULTIMATE.start_main_~k~5 108), 166631#(<= ULTIMATE.start_main_~k~5 109), 166628#(<= ULTIMATE.start_main_~k~5 106), 166629#(<= ULTIMATE.start_main_~k~5 107), 166634#(<= ULTIMATE.start_main_~k~5 112), 166635#(<= ULTIMATE.start_main_~k~5 113), 166632#(<= ULTIMATE.start_main_~k~5 110), 166633#(<= ULTIMATE.start_main_~k~5 111), 166638#(<= ULTIMATE.start_main_~k~5 116), 166639#(<= ULTIMATE.start_main_~k~5 117), 166636#(<= ULTIMATE.start_main_~k~5 114), 166637#(<= ULTIMATE.start_main_~k~5 115), 166642#(<= ULTIMATE.start_main_~k~5 120), 166643#(<= ULTIMATE.start_main_~k~5 121), 166640#(<= ULTIMATE.start_main_~k~5 118), 166641#(<= ULTIMATE.start_main_~k~5 119), 166646#(<= ULTIMATE.start_main_~k~5 124), 166647#(<= ULTIMATE.start_main_~k~5 125), 166644#(<= ULTIMATE.start_main_~k~5 122), 166645#(<= ULTIMATE.start_main_~k~5 123), 166650#(<= ULTIMATE.start_main_~k~5 128), 166651#(<= ULTIMATE.start_main_~k~5 129), 166648#(<= ULTIMATE.start_main_~k~5 126), 166649#(<= ULTIMATE.start_main_~k~5 127), 166654#(<= ULTIMATE.start_main_~k~5 132), 166655#(<= ULTIMATE.start_main_~k~5 133), 166652#(<= ULTIMATE.start_main_~k~5 130), 166653#(<= ULTIMATE.start_main_~k~5 131)] [2018-07-23 13:48:24,979 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 13:48:24,979 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:48:24,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:48:24,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:48:24,985 INFO L87 Difference]: Start difference. First operand 383 states and 383 transitions. Second operand 192 states. [2018-07-23 13:48:25,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:25,838 INFO L93 Difference]: Finished difference Result 387 states and 387 transitions. [2018-07-23 13:48:25,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:48:25,838 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 382 [2018-07-23 13:48:25,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:25,839 INFO L225 Difference]: With dead ends: 387 [2018-07-23 13:48:25,839 INFO L226 Difference]: Without dead ends: 385 [2018-07-23 13:48:25,843 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 13:48:25,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-07-23 13:48:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2018-07-23 13:48:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-07-23 13:48:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 385 transitions. [2018-07-23 13:48:25,847 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 385 transitions. Word has length 382 [2018-07-23 13:48:25,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:25,847 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 385 transitions. [2018-07-23 13:48:25,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:48:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 385 transitions. [2018-07-23 13:48:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-07-23 13:48:25,849 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:25,849 INFO L357 BasicCegarLoop]: trace histogram [191, 190, 1, 1, 1] [2018-07-23 13:48:25,849 INFO L414 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:25,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1529650259, now seen corresponding path program 190 times [2018-07-23 13:48:25,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:28,047 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 13:48:28,047 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:28,048 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:48:28,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:28,048 INFO L185 omatonBuilderFactory]: Interpolants [168448#(<= ULTIMATE.start_main_~k~5 190), 168258#(<= ULTIMATE.start_main_~k~5 0), 168259#(<= ULTIMATE.start_main_~k~5 1), 168256#true, 168257#false, 168262#(<= ULTIMATE.start_main_~k~5 4), 168263#(<= ULTIMATE.start_main_~k~5 5), 168260#(<= ULTIMATE.start_main_~k~5 2), 168261#(<= ULTIMATE.start_main_~k~5 3), 168266#(<= ULTIMATE.start_main_~k~5 8), 168267#(<= ULTIMATE.start_main_~k~5 9), 168264#(<= ULTIMATE.start_main_~k~5 6), 168265#(<= ULTIMATE.start_main_~k~5 7), 168270#(<= ULTIMATE.start_main_~k~5 12), 168271#(<= ULTIMATE.start_main_~k~5 13), 168268#(<= ULTIMATE.start_main_~k~5 10), 168269#(<= ULTIMATE.start_main_~k~5 11), 168274#(<= ULTIMATE.start_main_~k~5 16), 168275#(<= ULTIMATE.start_main_~k~5 17), 168272#(<= ULTIMATE.start_main_~k~5 14), 168273#(<= ULTIMATE.start_main_~k~5 15), 168278#(<= ULTIMATE.start_main_~k~5 20), 168279#(<= ULTIMATE.start_main_~k~5 21), 168276#(<= ULTIMATE.start_main_~k~5 18), 168277#(<= ULTIMATE.start_main_~k~5 19), 168282#(<= ULTIMATE.start_main_~k~5 24), 168283#(<= ULTIMATE.start_main_~k~5 25), 168280#(<= ULTIMATE.start_main_~k~5 22), 168281#(<= ULTIMATE.start_main_~k~5 23), 168286#(<= ULTIMATE.start_main_~k~5 28), 168287#(<= ULTIMATE.start_main_~k~5 29), 168284#(<= ULTIMATE.start_main_~k~5 26), 168285#(<= ULTIMATE.start_main_~k~5 27), 168290#(<= ULTIMATE.start_main_~k~5 32), 168291#(<= ULTIMATE.start_main_~k~5 33), 168288#(<= ULTIMATE.start_main_~k~5 30), 168289#(<= ULTIMATE.start_main_~k~5 31), 168294#(<= ULTIMATE.start_main_~k~5 36), 168295#(<= ULTIMATE.start_main_~k~5 37), 168292#(<= ULTIMATE.start_main_~k~5 34), 168293#(<= ULTIMATE.start_main_~k~5 35), 168298#(<= ULTIMATE.start_main_~k~5 40), 168299#(<= ULTIMATE.start_main_~k~5 41), 168296#(<= ULTIMATE.start_main_~k~5 38), 168297#(<= ULTIMATE.start_main_~k~5 39), 168302#(<= ULTIMATE.start_main_~k~5 44), 168303#(<= ULTIMATE.start_main_~k~5 45), 168300#(<= ULTIMATE.start_main_~k~5 42), 168301#(<= ULTIMATE.start_main_~k~5 43), 168306#(<= ULTIMATE.start_main_~k~5 48), 168307#(<= ULTIMATE.start_main_~k~5 49), 168304#(<= ULTIMATE.start_main_~k~5 46), 168305#(<= ULTIMATE.start_main_~k~5 47), 168310#(<= ULTIMATE.start_main_~k~5 52), 168311#(<= ULTIMATE.start_main_~k~5 53), 168308#(<= ULTIMATE.start_main_~k~5 50), 168309#(<= ULTIMATE.start_main_~k~5 51), 168314#(<= ULTIMATE.start_main_~k~5 56), 168315#(<= ULTIMATE.start_main_~k~5 57), 168312#(<= ULTIMATE.start_main_~k~5 54), 168313#(<= ULTIMATE.start_main_~k~5 55), 168318#(<= ULTIMATE.start_main_~k~5 60), 168319#(<= ULTIMATE.start_main_~k~5 61), 168316#(<= ULTIMATE.start_main_~k~5 58), 168317#(<= ULTIMATE.start_main_~k~5 59), 168322#(<= ULTIMATE.start_main_~k~5 64), 168323#(<= ULTIMATE.start_main_~k~5 65), 168320#(<= ULTIMATE.start_main_~k~5 62), 168321#(<= ULTIMATE.start_main_~k~5 63), 168326#(<= ULTIMATE.start_main_~k~5 68), 168327#(<= ULTIMATE.start_main_~k~5 69), 168324#(<= ULTIMATE.start_main_~k~5 66), 168325#(<= ULTIMATE.start_main_~k~5 67), 168330#(<= ULTIMATE.start_main_~k~5 72), 168331#(<= ULTIMATE.start_main_~k~5 73), 168328#(<= ULTIMATE.start_main_~k~5 70), 168329#(<= ULTIMATE.start_main_~k~5 71), 168334#(<= ULTIMATE.start_main_~k~5 76), 168335#(<= ULTIMATE.start_main_~k~5 77), 168332#(<= ULTIMATE.start_main_~k~5 74), 168333#(<= ULTIMATE.start_main_~k~5 75), 168338#(<= ULTIMATE.start_main_~k~5 80), 168339#(<= ULTIMATE.start_main_~k~5 81), 168336#(<= ULTIMATE.start_main_~k~5 78), 168337#(<= ULTIMATE.start_main_~k~5 79), 168342#(<= ULTIMATE.start_main_~k~5 84), 168343#(<= ULTIMATE.start_main_~k~5 85), 168340#(<= ULTIMATE.start_main_~k~5 82), 168341#(<= ULTIMATE.start_main_~k~5 83), 168346#(<= ULTIMATE.start_main_~k~5 88), 168347#(<= ULTIMATE.start_main_~k~5 89), 168344#(<= ULTIMATE.start_main_~k~5 86), 168345#(<= ULTIMATE.start_main_~k~5 87), 168350#(<= ULTIMATE.start_main_~k~5 92), 168351#(<= ULTIMATE.start_main_~k~5 93), 168348#(<= ULTIMATE.start_main_~k~5 90), 168349#(<= ULTIMATE.start_main_~k~5 91), 168354#(<= ULTIMATE.start_main_~k~5 96), 168355#(<= ULTIMATE.start_main_~k~5 97), 168352#(<= ULTIMATE.start_main_~k~5 94), 168353#(<= ULTIMATE.start_main_~k~5 95), 168358#(<= ULTIMATE.start_main_~k~5 100), 168359#(<= ULTIMATE.start_main_~k~5 101), 168356#(<= ULTIMATE.start_main_~k~5 98), 168357#(<= ULTIMATE.start_main_~k~5 99), 168362#(<= ULTIMATE.start_main_~k~5 104), 168363#(<= ULTIMATE.start_main_~k~5 105), 168360#(<= ULTIMATE.start_main_~k~5 102), 168361#(<= ULTIMATE.start_main_~k~5 103), 168366#(<= ULTIMATE.start_main_~k~5 108), 168367#(<= ULTIMATE.start_main_~k~5 109), 168364#(<= ULTIMATE.start_main_~k~5 106), 168365#(<= ULTIMATE.start_main_~k~5 107), 168370#(<= ULTIMATE.start_main_~k~5 112), 168371#(<= ULTIMATE.start_main_~k~5 113), 168368#(<= ULTIMATE.start_main_~k~5 110), 168369#(<= ULTIMATE.start_main_~k~5 111), 168374#(<= ULTIMATE.start_main_~k~5 116), 168375#(<= ULTIMATE.start_main_~k~5 117), 168372#(<= ULTIMATE.start_main_~k~5 114), 168373#(<= ULTIMATE.start_main_~k~5 115), 168378#(<= ULTIMATE.start_main_~k~5 120), 168379#(<= ULTIMATE.start_main_~k~5 121), 168376#(<= ULTIMATE.start_main_~k~5 118), 168377#(<= ULTIMATE.start_main_~k~5 119), 168382#(<= ULTIMATE.start_main_~k~5 124), 168383#(<= ULTIMATE.start_main_~k~5 125), 168380#(<= ULTIMATE.start_main_~k~5 122), 168381#(<= ULTIMATE.start_main_~k~5 123), 168386#(<= ULTIMATE.start_main_~k~5 128), 168387#(<= ULTIMATE.start_main_~k~5 129), 168384#(<= ULTIMATE.start_main_~k~5 126), 168385#(<= ULTIMATE.start_main_~k~5 127), 168390#(<= ULTIMATE.start_main_~k~5 132), 168391#(<= ULTIMATE.start_main_~k~5 133), 168388#(<= ULTIMATE.start_main_~k~5 130), 168389#(<= ULTIMATE.start_main_~k~5 131), 168394#(<= ULTIMATE.start_main_~k~5 136), 168395#(<= ULTIMATE.start_main_~k~5 137), 168392#(<= ULTIMATE.start_main_~k~5 134), 168393#(<= ULTIMATE.start_main_~k~5 135), 168398#(<= ULTIMATE.start_main_~k~5 140), 168399#(<= ULTIMATE.start_main_~k~5 141), 168396#(<= ULTIMATE.start_main_~k~5 138), 168397#(<= ULTIMATE.start_main_~k~5 139), 168402#(<= ULTIMATE.start_main_~k~5 144), 168403#(<= ULTIMATE.start_main_~k~5 145), 168400#(<= ULTIMATE.start_main_~k~5 142), 168401#(<= ULTIMATE.start_main_~k~5 143), 168406#(<= ULTIMATE.start_main_~k~5 148), 168407#(<= ULTIMATE.start_main_~k~5 149), 168404#(<= ULTIMATE.start_main_~k~5 146), 168405#(<= ULTIMATE.start_main_~k~5 147), 168410#(<= ULTIMATE.start_main_~k~5 152), 168411#(<= ULTIMATE.start_main_~k~5 153), 168408#(<= ULTIMATE.start_main_~k~5 150), 168409#(<= ULTIMATE.start_main_~k~5 151), 168414#(<= ULTIMATE.start_main_~k~5 156), 168415#(<= ULTIMATE.start_main_~k~5 157), 168412#(<= ULTIMATE.start_main_~k~5 154), 168413#(<= ULTIMATE.start_main_~k~5 155), 168418#(<= ULTIMATE.start_main_~k~5 160), 168419#(<= ULTIMATE.start_main_~k~5 161), 168416#(<= ULTIMATE.start_main_~k~5 158), 168417#(<= ULTIMATE.start_main_~k~5 159), 168422#(<= ULTIMATE.start_main_~k~5 164), 168423#(<= ULTIMATE.start_main_~k~5 165), 168420#(<= ULTIMATE.start_main_~k~5 162), 168421#(<= ULTIMATE.start_main_~k~5 163), 168426#(<= ULTIMATE.start_main_~k~5 168), 168427#(<= ULTIMATE.start_main_~k~5 169), 168424#(<= ULTIMATE.start_main_~k~5 166), 168425#(<= ULTIMATE.start_main_~k~5 167), 168430#(<= ULTIMATE.start_main_~k~5 172), 168431#(<= ULTIMATE.start_main_~k~5 173), 168428#(<= ULTIMATE.start_main_~k~5 170), 168429#(<= ULTIMATE.start_main_~k~5 171), 168434#(<= ULTIMATE.start_main_~k~5 176), 168435#(<= ULTIMATE.start_main_~k~5 177), 168432#(<= ULTIMATE.start_main_~k~5 174), 168433#(<= ULTIMATE.start_main_~k~5 175), 168438#(<= ULTIMATE.start_main_~k~5 180), 168439#(<= ULTIMATE.start_main_~k~5 181), 168436#(<= ULTIMATE.start_main_~k~5 178), 168437#(<= ULTIMATE.start_main_~k~5 179), 168442#(<= ULTIMATE.start_main_~k~5 184), 168443#(<= ULTIMATE.start_main_~k~5 185), 168440#(<= ULTIMATE.start_main_~k~5 182), 168441#(<= ULTIMATE.start_main_~k~5 183), 168446#(<= ULTIMATE.start_main_~k~5 188), 168447#(<= ULTIMATE.start_main_~k~5 189), 168444#(<= ULTIMATE.start_main_~k~5 186), 168445#(<= ULTIMATE.start_main_~k~5 187)] [2018-07-23 13:48:28,050 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 13:48:28,050 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:48:28,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:48:28,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:48:28,054 INFO L87 Difference]: Start difference. First operand 385 states and 385 transitions. Second operand 193 states. [2018-07-23 13:48:29,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:29,857 INFO L93 Difference]: Finished difference Result 389 states and 389 transitions. [2018-07-23 13:48:29,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:48:29,857 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 384 [2018-07-23 13:48:29,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:29,858 INFO L225 Difference]: With dead ends: 389 [2018-07-23 13:48:29,858 INFO L226 Difference]: Without dead ends: 387 [2018-07-23 13:48:29,859 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:48:29,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-07-23 13:48:29,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2018-07-23 13:48:29,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-07-23 13:48:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 387 transitions. [2018-07-23 13:48:29,863 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 387 transitions. Word has length 384 [2018-07-23 13:48:29,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:29,864 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 387 transitions. [2018-07-23 13:48:29,864 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:48:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 387 transitions. [2018-07-23 13:48:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-07-23 13:48:29,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:29,865 INFO L357 BasicCegarLoop]: trace histogram [192, 191, 1, 1, 1] [2018-07-23 13:48:29,866 INFO L414 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:29,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1115135757, now seen corresponding path program 191 times [2018-07-23 13:48:29,866 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:32,031 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 13:48:32,031 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:32,031 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:48:32,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:32,033 INFO L185 omatonBuilderFactory]: Interpolants [170002#false, 170003#(<= ULTIMATE.start_main_~k~5 0), 170001#true, 170006#(<= ULTIMATE.start_main_~k~5 3), 170007#(<= ULTIMATE.start_main_~k~5 4), 170004#(<= ULTIMATE.start_main_~k~5 1), 170005#(<= ULTIMATE.start_main_~k~5 2), 170010#(<= ULTIMATE.start_main_~k~5 7), 170011#(<= ULTIMATE.start_main_~k~5 8), 170008#(<= ULTIMATE.start_main_~k~5 5), 170009#(<= ULTIMATE.start_main_~k~5 6), 170014#(<= ULTIMATE.start_main_~k~5 11), 170015#(<= ULTIMATE.start_main_~k~5 12), 170012#(<= ULTIMATE.start_main_~k~5 9), 170013#(<= ULTIMATE.start_main_~k~5 10), 170018#(<= ULTIMATE.start_main_~k~5 15), 170019#(<= ULTIMATE.start_main_~k~5 16), 170016#(<= ULTIMATE.start_main_~k~5 13), 170017#(<= ULTIMATE.start_main_~k~5 14), 170022#(<= ULTIMATE.start_main_~k~5 19), 170023#(<= ULTIMATE.start_main_~k~5 20), 170020#(<= ULTIMATE.start_main_~k~5 17), 170021#(<= ULTIMATE.start_main_~k~5 18), 170026#(<= ULTIMATE.start_main_~k~5 23), 170027#(<= ULTIMATE.start_main_~k~5 24), 170024#(<= ULTIMATE.start_main_~k~5 21), 170025#(<= ULTIMATE.start_main_~k~5 22), 170030#(<= ULTIMATE.start_main_~k~5 27), 170031#(<= ULTIMATE.start_main_~k~5 28), 170028#(<= ULTIMATE.start_main_~k~5 25), 170029#(<= ULTIMATE.start_main_~k~5 26), 170034#(<= ULTIMATE.start_main_~k~5 31), 170035#(<= ULTIMATE.start_main_~k~5 32), 170032#(<= ULTIMATE.start_main_~k~5 29), 170033#(<= ULTIMATE.start_main_~k~5 30), 170038#(<= ULTIMATE.start_main_~k~5 35), 170039#(<= ULTIMATE.start_main_~k~5 36), 170036#(<= ULTIMATE.start_main_~k~5 33), 170037#(<= ULTIMATE.start_main_~k~5 34), 170042#(<= ULTIMATE.start_main_~k~5 39), 170043#(<= ULTIMATE.start_main_~k~5 40), 170040#(<= ULTIMATE.start_main_~k~5 37), 170041#(<= ULTIMATE.start_main_~k~5 38), 170046#(<= ULTIMATE.start_main_~k~5 43), 170047#(<= ULTIMATE.start_main_~k~5 44), 170044#(<= ULTIMATE.start_main_~k~5 41), 170045#(<= ULTIMATE.start_main_~k~5 42), 170050#(<= ULTIMATE.start_main_~k~5 47), 170051#(<= ULTIMATE.start_main_~k~5 48), 170048#(<= ULTIMATE.start_main_~k~5 45), 170049#(<= ULTIMATE.start_main_~k~5 46), 170054#(<= ULTIMATE.start_main_~k~5 51), 170055#(<= ULTIMATE.start_main_~k~5 52), 170052#(<= ULTIMATE.start_main_~k~5 49), 170053#(<= ULTIMATE.start_main_~k~5 50), 170058#(<= ULTIMATE.start_main_~k~5 55), 170059#(<= ULTIMATE.start_main_~k~5 56), 170056#(<= ULTIMATE.start_main_~k~5 53), 170057#(<= ULTIMATE.start_main_~k~5 54), 170062#(<= ULTIMATE.start_main_~k~5 59), 170063#(<= ULTIMATE.start_main_~k~5 60), 170060#(<= ULTIMATE.start_main_~k~5 57), 170061#(<= ULTIMATE.start_main_~k~5 58), 170066#(<= ULTIMATE.start_main_~k~5 63), 170067#(<= ULTIMATE.start_main_~k~5 64), 170064#(<= ULTIMATE.start_main_~k~5 61), 170065#(<= ULTIMATE.start_main_~k~5 62), 170070#(<= ULTIMATE.start_main_~k~5 67), 170071#(<= ULTIMATE.start_main_~k~5 68), 170068#(<= ULTIMATE.start_main_~k~5 65), 170069#(<= ULTIMATE.start_main_~k~5 66), 170074#(<= ULTIMATE.start_main_~k~5 71), 170075#(<= ULTIMATE.start_main_~k~5 72), 170072#(<= ULTIMATE.start_main_~k~5 69), 170073#(<= ULTIMATE.start_main_~k~5 70), 170078#(<= ULTIMATE.start_main_~k~5 75), 170079#(<= ULTIMATE.start_main_~k~5 76), 170076#(<= ULTIMATE.start_main_~k~5 73), 170077#(<= ULTIMATE.start_main_~k~5 74), 170082#(<= ULTIMATE.start_main_~k~5 79), 170083#(<= ULTIMATE.start_main_~k~5 80), 170080#(<= ULTIMATE.start_main_~k~5 77), 170081#(<= ULTIMATE.start_main_~k~5 78), 170086#(<= ULTIMATE.start_main_~k~5 83), 170087#(<= ULTIMATE.start_main_~k~5 84), 170084#(<= ULTIMATE.start_main_~k~5 81), 170085#(<= ULTIMATE.start_main_~k~5 82), 170090#(<= ULTIMATE.start_main_~k~5 87), 170091#(<= ULTIMATE.start_main_~k~5 88), 170088#(<= ULTIMATE.start_main_~k~5 85), 170089#(<= ULTIMATE.start_main_~k~5 86), 170094#(<= ULTIMATE.start_main_~k~5 91), 170095#(<= ULTIMATE.start_main_~k~5 92), 170092#(<= ULTIMATE.start_main_~k~5 89), 170093#(<= ULTIMATE.start_main_~k~5 90), 170098#(<= ULTIMATE.start_main_~k~5 95), 170099#(<= ULTIMATE.start_main_~k~5 96), 170096#(<= ULTIMATE.start_main_~k~5 93), 170097#(<= ULTIMATE.start_main_~k~5 94), 170102#(<= ULTIMATE.start_main_~k~5 99), 170103#(<= ULTIMATE.start_main_~k~5 100), 170100#(<= ULTIMATE.start_main_~k~5 97), 170101#(<= ULTIMATE.start_main_~k~5 98), 170106#(<= ULTIMATE.start_main_~k~5 103), 170107#(<= ULTIMATE.start_main_~k~5 104), 170104#(<= ULTIMATE.start_main_~k~5 101), 170105#(<= ULTIMATE.start_main_~k~5 102), 170110#(<= ULTIMATE.start_main_~k~5 107), 170111#(<= ULTIMATE.start_main_~k~5 108), 170108#(<= ULTIMATE.start_main_~k~5 105), 170109#(<= ULTIMATE.start_main_~k~5 106), 170114#(<= ULTIMATE.start_main_~k~5 111), 170115#(<= ULTIMATE.start_main_~k~5 112), 170112#(<= ULTIMATE.start_main_~k~5 109), 170113#(<= ULTIMATE.start_main_~k~5 110), 170118#(<= ULTIMATE.start_main_~k~5 115), 170119#(<= ULTIMATE.start_main_~k~5 116), 170116#(<= ULTIMATE.start_main_~k~5 113), 170117#(<= ULTIMATE.start_main_~k~5 114), 170122#(<= ULTIMATE.start_main_~k~5 119), 170123#(<= ULTIMATE.start_main_~k~5 120), 170120#(<= ULTIMATE.start_main_~k~5 117), 170121#(<= ULTIMATE.start_main_~k~5 118), 170126#(<= ULTIMATE.start_main_~k~5 123), 170127#(<= ULTIMATE.start_main_~k~5 124), 170124#(<= ULTIMATE.start_main_~k~5 121), 170125#(<= ULTIMATE.start_main_~k~5 122), 170130#(<= ULTIMATE.start_main_~k~5 127), 170131#(<= ULTIMATE.start_main_~k~5 128), 170128#(<= ULTIMATE.start_main_~k~5 125), 170129#(<= ULTIMATE.start_main_~k~5 126), 170134#(<= ULTIMATE.start_main_~k~5 131), 170135#(<= ULTIMATE.start_main_~k~5 132), 170132#(<= ULTIMATE.start_main_~k~5 129), 170133#(<= ULTIMATE.start_main_~k~5 130), 170138#(<= ULTIMATE.start_main_~k~5 135), 170139#(<= ULTIMATE.start_main_~k~5 136), 170136#(<= ULTIMATE.start_main_~k~5 133), 170137#(<= ULTIMATE.start_main_~k~5 134), 170142#(<= ULTIMATE.start_main_~k~5 139), 170143#(<= ULTIMATE.start_main_~k~5 140), 170140#(<= ULTIMATE.start_main_~k~5 137), 170141#(<= ULTIMATE.start_main_~k~5 138), 170146#(<= ULTIMATE.start_main_~k~5 143), 170147#(<= ULTIMATE.start_main_~k~5 144), 170144#(<= ULTIMATE.start_main_~k~5 141), 170145#(<= ULTIMATE.start_main_~k~5 142), 170150#(<= ULTIMATE.start_main_~k~5 147), 170151#(<= ULTIMATE.start_main_~k~5 148), 170148#(<= ULTIMATE.start_main_~k~5 145), 170149#(<= ULTIMATE.start_main_~k~5 146), 170154#(<= ULTIMATE.start_main_~k~5 151), 170155#(<= ULTIMATE.start_main_~k~5 152), 170152#(<= ULTIMATE.start_main_~k~5 149), 170153#(<= ULTIMATE.start_main_~k~5 150), 170158#(<= ULTIMATE.start_main_~k~5 155), 170159#(<= ULTIMATE.start_main_~k~5 156), 170156#(<= ULTIMATE.start_main_~k~5 153), 170157#(<= ULTIMATE.start_main_~k~5 154), 170162#(<= ULTIMATE.start_main_~k~5 159), 170163#(<= ULTIMATE.start_main_~k~5 160), 170160#(<= ULTIMATE.start_main_~k~5 157), 170161#(<= ULTIMATE.start_main_~k~5 158), 170166#(<= ULTIMATE.start_main_~k~5 163), 170167#(<= ULTIMATE.start_main_~k~5 164), 170164#(<= ULTIMATE.start_main_~k~5 161), 170165#(<= ULTIMATE.start_main_~k~5 162), 170170#(<= ULTIMATE.start_main_~k~5 167), 170171#(<= ULTIMATE.start_main_~k~5 168), 170168#(<= ULTIMATE.start_main_~k~5 165), 170169#(<= ULTIMATE.start_main_~k~5 166), 170174#(<= ULTIMATE.start_main_~k~5 171), 170175#(<= ULTIMATE.start_main_~k~5 172), 170172#(<= ULTIMATE.start_main_~k~5 169), 170173#(<= ULTIMATE.start_main_~k~5 170), 170178#(<= ULTIMATE.start_main_~k~5 175), 170179#(<= ULTIMATE.start_main_~k~5 176), 170176#(<= ULTIMATE.start_main_~k~5 173), 170177#(<= ULTIMATE.start_main_~k~5 174), 170182#(<= ULTIMATE.start_main_~k~5 179), 170183#(<= ULTIMATE.start_main_~k~5 180), 170180#(<= ULTIMATE.start_main_~k~5 177), 170181#(<= ULTIMATE.start_main_~k~5 178), 170186#(<= ULTIMATE.start_main_~k~5 183), 170187#(<= ULTIMATE.start_main_~k~5 184), 170184#(<= ULTIMATE.start_main_~k~5 181), 170185#(<= ULTIMATE.start_main_~k~5 182), 170190#(<= ULTIMATE.start_main_~k~5 187), 170191#(<= ULTIMATE.start_main_~k~5 188), 170188#(<= ULTIMATE.start_main_~k~5 185), 170189#(<= ULTIMATE.start_main_~k~5 186), 170194#(<= ULTIMATE.start_main_~k~5 191), 170192#(<= ULTIMATE.start_main_~k~5 189), 170193#(<= ULTIMATE.start_main_~k~5 190)] [2018-07-23 13:48:32,035 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 13:48:32,035 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:48:32,039 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:48:32,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:48:32,042 INFO L87 Difference]: Start difference. First operand 387 states and 387 transitions. Second operand 194 states. [2018-07-23 13:48:34,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:34,424 INFO L93 Difference]: Finished difference Result 391 states and 391 transitions. [2018-07-23 13:48:34,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:48:34,424 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 386 [2018-07-23 13:48:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:34,425 INFO L225 Difference]: With dead ends: 391 [2018-07-23 13:48:34,425 INFO L226 Difference]: Without dead ends: 389 [2018-07-23 13:48:34,429 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:48:34,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-07-23 13:48:34,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2018-07-23 13:48:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-07-23 13:48:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 389 transitions. [2018-07-23 13:48:34,434 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 389 transitions. Word has length 386 [2018-07-23 13:48:34,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:34,434 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 389 transitions. [2018-07-23 13:48:34,434 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:48:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 389 transitions. [2018-07-23 13:48:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-07-23 13:48:34,436 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:34,436 INFO L357 BasicCegarLoop]: trace histogram [193, 192, 1, 1, 1] [2018-07-23 13:48:34,436 INFO L414 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:34,437 INFO L82 PathProgramCache]: Analyzing trace with hash -2096309433, now seen corresponding path program 192 times [2018-07-23 13:48:34,437 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:36,524 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 13:48:36,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:36,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:48:36,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:36,525 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 13:48:36,526 INFO L185 omatonBuilderFactory]: Interpolants [171755#true, 171758#(<= ULTIMATE.start_main_~k~5 1), 171759#(<= ULTIMATE.start_main_~k~5 2), 171756#false, 171757#(<= ULTIMATE.start_main_~k~5 0), 171762#(<= ULTIMATE.start_main_~k~5 5), 171763#(<= ULTIMATE.start_main_~k~5 6), 171760#(<= ULTIMATE.start_main_~k~5 3), 171761#(<= ULTIMATE.start_main_~k~5 4), 171766#(<= ULTIMATE.start_main_~k~5 9), 171767#(<= ULTIMATE.start_main_~k~5 10), 171764#(<= ULTIMATE.start_main_~k~5 7), 171765#(<= ULTIMATE.start_main_~k~5 8), 171770#(<= ULTIMATE.start_main_~k~5 13), 171771#(<= ULTIMATE.start_main_~k~5 14), 171768#(<= ULTIMATE.start_main_~k~5 11), 171769#(<= ULTIMATE.start_main_~k~5 12), 171774#(<= ULTIMATE.start_main_~k~5 17), 171775#(<= ULTIMATE.start_main_~k~5 18), 171772#(<= ULTIMATE.start_main_~k~5 15), 171773#(<= ULTIMATE.start_main_~k~5 16), 171778#(<= ULTIMATE.start_main_~k~5 21), 171779#(<= ULTIMATE.start_main_~k~5 22), 171776#(<= ULTIMATE.start_main_~k~5 19), 171777#(<= ULTIMATE.start_main_~k~5 20), 171782#(<= ULTIMATE.start_main_~k~5 25), 171783#(<= ULTIMATE.start_main_~k~5 26), 171780#(<= ULTIMATE.start_main_~k~5 23), 171781#(<= ULTIMATE.start_main_~k~5 24), 171786#(<= ULTIMATE.start_main_~k~5 29), 171787#(<= ULTIMATE.start_main_~k~5 30), 171784#(<= ULTIMATE.start_main_~k~5 27), 171785#(<= ULTIMATE.start_main_~k~5 28), 171790#(<= ULTIMATE.start_main_~k~5 33), 171791#(<= ULTIMATE.start_main_~k~5 34), 171788#(<= ULTIMATE.start_main_~k~5 31), 171789#(<= ULTIMATE.start_main_~k~5 32), 171794#(<= ULTIMATE.start_main_~k~5 37), 171795#(<= ULTIMATE.start_main_~k~5 38), 171792#(<= ULTIMATE.start_main_~k~5 35), 171793#(<= ULTIMATE.start_main_~k~5 36), 171798#(<= ULTIMATE.start_main_~k~5 41), 171799#(<= ULTIMATE.start_main_~k~5 42), 171796#(<= ULTIMATE.start_main_~k~5 39), 171797#(<= ULTIMATE.start_main_~k~5 40), 171802#(<= ULTIMATE.start_main_~k~5 45), 171803#(<= ULTIMATE.start_main_~k~5 46), 171800#(<= ULTIMATE.start_main_~k~5 43), 171801#(<= ULTIMATE.start_main_~k~5 44), 171806#(<= ULTIMATE.start_main_~k~5 49), 171807#(<= ULTIMATE.start_main_~k~5 50), 171804#(<= ULTIMATE.start_main_~k~5 47), 171805#(<= ULTIMATE.start_main_~k~5 48), 171810#(<= ULTIMATE.start_main_~k~5 53), 171811#(<= ULTIMATE.start_main_~k~5 54), 171808#(<= ULTIMATE.start_main_~k~5 51), 171809#(<= ULTIMATE.start_main_~k~5 52), 171814#(<= ULTIMATE.start_main_~k~5 57), 171815#(<= ULTIMATE.start_main_~k~5 58), 171812#(<= ULTIMATE.start_main_~k~5 55), 171813#(<= ULTIMATE.start_main_~k~5 56), 171818#(<= ULTIMATE.start_main_~k~5 61), 171819#(<= ULTIMATE.start_main_~k~5 62), 171816#(<= ULTIMATE.start_main_~k~5 59), 171817#(<= ULTIMATE.start_main_~k~5 60), 171822#(<= ULTIMATE.start_main_~k~5 65), 171823#(<= ULTIMATE.start_main_~k~5 66), 171820#(<= ULTIMATE.start_main_~k~5 63), 171821#(<= ULTIMATE.start_main_~k~5 64), 171826#(<= ULTIMATE.start_main_~k~5 69), 171827#(<= ULTIMATE.start_main_~k~5 70), 171824#(<= ULTIMATE.start_main_~k~5 67), 171825#(<= ULTIMATE.start_main_~k~5 68), 171830#(<= ULTIMATE.start_main_~k~5 73), 171831#(<= ULTIMATE.start_main_~k~5 74), 171828#(<= ULTIMATE.start_main_~k~5 71), 171829#(<= ULTIMATE.start_main_~k~5 72), 171834#(<= ULTIMATE.start_main_~k~5 77), 171835#(<= ULTIMATE.start_main_~k~5 78), 171832#(<= ULTIMATE.start_main_~k~5 75), 171833#(<= ULTIMATE.start_main_~k~5 76), 171838#(<= ULTIMATE.start_main_~k~5 81), 171839#(<= ULTIMATE.start_main_~k~5 82), 171836#(<= ULTIMATE.start_main_~k~5 79), 171837#(<= ULTIMATE.start_main_~k~5 80), 171842#(<= ULTIMATE.start_main_~k~5 85), 171843#(<= ULTIMATE.start_main_~k~5 86), 171840#(<= ULTIMATE.start_main_~k~5 83), 171841#(<= ULTIMATE.start_main_~k~5 84), 171846#(<= ULTIMATE.start_main_~k~5 89), 171847#(<= ULTIMATE.start_main_~k~5 90), 171844#(<= ULTIMATE.start_main_~k~5 87), 171845#(<= ULTIMATE.start_main_~k~5 88), 171850#(<= ULTIMATE.start_main_~k~5 93), 171851#(<= ULTIMATE.start_main_~k~5 94), 171848#(<= ULTIMATE.start_main_~k~5 91), 171849#(<= ULTIMATE.start_main_~k~5 92), 171854#(<= ULTIMATE.start_main_~k~5 97), 171855#(<= ULTIMATE.start_main_~k~5 98), 171852#(<= ULTIMATE.start_main_~k~5 95), 171853#(<= ULTIMATE.start_main_~k~5 96), 171858#(<= ULTIMATE.start_main_~k~5 101), 171859#(<= ULTIMATE.start_main_~k~5 102), 171856#(<= ULTIMATE.start_main_~k~5 99), 171857#(<= ULTIMATE.start_main_~k~5 100), 171862#(<= ULTIMATE.start_main_~k~5 105), 171863#(<= ULTIMATE.start_main_~k~5 106), 171860#(<= ULTIMATE.start_main_~k~5 103), 171861#(<= ULTIMATE.start_main_~k~5 104), 171866#(<= ULTIMATE.start_main_~k~5 109), 171867#(<= ULTIMATE.start_main_~k~5 110), 171864#(<= ULTIMATE.start_main_~k~5 107), 171865#(<= ULTIMATE.start_main_~k~5 108), 171870#(<= ULTIMATE.start_main_~k~5 113), 171871#(<= ULTIMATE.start_main_~k~5 114), 171868#(<= ULTIMATE.start_main_~k~5 111), 171869#(<= ULTIMATE.start_main_~k~5 112), 171874#(<= ULTIMATE.start_main_~k~5 117), 171875#(<= ULTIMATE.start_main_~k~5 118), 171872#(<= ULTIMATE.start_main_~k~5 115), 171873#(<= ULTIMATE.start_main_~k~5 116), 171878#(<= ULTIMATE.start_main_~k~5 121), 171879#(<= ULTIMATE.start_main_~k~5 122), 171876#(<= ULTIMATE.start_main_~k~5 119), 171877#(<= ULTIMATE.start_main_~k~5 120), 171882#(<= ULTIMATE.start_main_~k~5 125), 171883#(<= ULTIMATE.start_main_~k~5 126), 171880#(<= ULTIMATE.start_main_~k~5 123), 171881#(<= ULTIMATE.start_main_~k~5 124), 171886#(<= ULTIMATE.start_main_~k~5 129), 171887#(<= ULTIMATE.start_main_~k~5 130), 171884#(<= ULTIMATE.start_main_~k~5 127), 171885#(<= ULTIMATE.start_main_~k~5 128), 171890#(<= ULTIMATE.start_main_~k~5 133), 171891#(<= ULTIMATE.start_main_~k~5 134), 171888#(<= ULTIMATE.start_main_~k~5 131), 171889#(<= ULTIMATE.start_main_~k~5 132), 171894#(<= ULTIMATE.start_main_~k~5 137), 171895#(<= ULTIMATE.start_main_~k~5 138), 171892#(<= ULTIMATE.start_main_~k~5 135), 171893#(<= ULTIMATE.start_main_~k~5 136), 171898#(<= ULTIMATE.start_main_~k~5 141), 171899#(<= ULTIMATE.start_main_~k~5 142), 171896#(<= ULTIMATE.start_main_~k~5 139), 171897#(<= ULTIMATE.start_main_~k~5 140), 171902#(<= ULTIMATE.start_main_~k~5 145), 171903#(<= ULTIMATE.start_main_~k~5 146), 171900#(<= ULTIMATE.start_main_~k~5 143), 171901#(<= ULTIMATE.start_main_~k~5 144), 171906#(<= ULTIMATE.start_main_~k~5 149), 171907#(<= ULTIMATE.start_main_~k~5 150), 171904#(<= ULTIMATE.start_main_~k~5 147), 171905#(<= ULTIMATE.start_main_~k~5 148), 171910#(<= ULTIMATE.start_main_~k~5 153), 171911#(<= ULTIMATE.start_main_~k~5 154), 171908#(<= ULTIMATE.start_main_~k~5 151), 171909#(<= ULTIMATE.start_main_~k~5 152), 171914#(<= ULTIMATE.start_main_~k~5 157), 171915#(<= ULTIMATE.start_main_~k~5 158), 171912#(<= ULTIMATE.start_main_~k~5 155), 171913#(<= ULTIMATE.start_main_~k~5 156), 171918#(<= ULTIMATE.start_main_~k~5 161), 171919#(<= ULTIMATE.start_main_~k~5 162), 171916#(<= ULTIMATE.start_main_~k~5 159), 171917#(<= ULTIMATE.start_main_~k~5 160), 171922#(<= ULTIMATE.start_main_~k~5 165), 171923#(<= ULTIMATE.start_main_~k~5 166), 171920#(<= ULTIMATE.start_main_~k~5 163), 171921#(<= ULTIMATE.start_main_~k~5 164), 171926#(<= ULTIMATE.start_main_~k~5 169), 171927#(<= ULTIMATE.start_main_~k~5 170), 171924#(<= ULTIMATE.start_main_~k~5 167), 171925#(<= ULTIMATE.start_main_~k~5 168), 171930#(<= ULTIMATE.start_main_~k~5 173), 171931#(<= ULTIMATE.start_main_~k~5 174), 171928#(<= ULTIMATE.start_main_~k~5 171), 171929#(<= ULTIMATE.start_main_~k~5 172), 171934#(<= ULTIMATE.start_main_~k~5 177), 171935#(<= ULTIMATE.start_main_~k~5 178), 171932#(<= ULTIMATE.start_main_~k~5 175), 171933#(<= ULTIMATE.start_main_~k~5 176), 171938#(<= ULTIMATE.start_main_~k~5 181), 171939#(<= ULTIMATE.start_main_~k~5 182), 171936#(<= ULTIMATE.start_main_~k~5 179), 171937#(<= ULTIMATE.start_main_~k~5 180), 171942#(<= ULTIMATE.start_main_~k~5 185), 171943#(<= ULTIMATE.start_main_~k~5 186), 171940#(<= ULTIMATE.start_main_~k~5 183), 171941#(<= ULTIMATE.start_main_~k~5 184), 171946#(<= ULTIMATE.start_main_~k~5 189), 171947#(<= ULTIMATE.start_main_~k~5 190), 171944#(<= ULTIMATE.start_main_~k~5 187), 171945#(<= ULTIMATE.start_main_~k~5 188), 171948#(<= ULTIMATE.start_main_~k~5 191), 171949#(<= ULTIMATE.start_main_~k~5 192)] [2018-07-23 13:48:36,527 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 13:48:36,528 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:48:36,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:48:36,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:48:36,533 INFO L87 Difference]: Start difference. First operand 389 states and 389 transitions. Second operand 195 states. [2018-07-23 13:48:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:38,704 INFO L93 Difference]: Finished difference Result 393 states and 393 transitions. [2018-07-23 13:48:38,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:48:38,705 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 388 [2018-07-23 13:48:38,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:38,706 INFO L225 Difference]: With dead ends: 393 [2018-07-23 13:48:38,706 INFO L226 Difference]: Without dead ends: 391 [2018-07-23 13:48:38,710 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:48:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-07-23 13:48:38,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2018-07-23 13:48:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-07-23 13:48:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 391 transitions. [2018-07-23 13:48:38,715 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 391 transitions. Word has length 388 [2018-07-23 13:48:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:38,715 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 391 transitions. [2018-07-23 13:48:38,716 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:48:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 391 transitions. [2018-07-23 13:48:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-07-23 13:48:38,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:38,717 INFO L357 BasicCegarLoop]: trace histogram [194, 193, 1, 1, 1] [2018-07-23 13:48:38,717 INFO L414 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:38,717 INFO L82 PathProgramCache]: Analyzing trace with hash -213651199, now seen corresponding path program 193 times [2018-07-23 13:48:38,717 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:40,943 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 13:48:40,943 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:40,943 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:48:40,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:40,944 INFO L185 omatonBuilderFactory]: Interpolants [173570#(<= ULTIMATE.start_main_~k~5 50), 173571#(<= ULTIMATE.start_main_~k~5 51), 173568#(<= ULTIMATE.start_main_~k~5 48), 173569#(<= ULTIMATE.start_main_~k~5 49), 173574#(<= ULTIMATE.start_main_~k~5 54), 173575#(<= ULTIMATE.start_main_~k~5 55), 173572#(<= ULTIMATE.start_main_~k~5 52), 173573#(<= ULTIMATE.start_main_~k~5 53), 173578#(<= ULTIMATE.start_main_~k~5 58), 173579#(<= ULTIMATE.start_main_~k~5 59), 173576#(<= ULTIMATE.start_main_~k~5 56), 173577#(<= ULTIMATE.start_main_~k~5 57), 173582#(<= ULTIMATE.start_main_~k~5 62), 173583#(<= ULTIMATE.start_main_~k~5 63), 173580#(<= ULTIMATE.start_main_~k~5 60), 173581#(<= ULTIMATE.start_main_~k~5 61), 173586#(<= ULTIMATE.start_main_~k~5 66), 173587#(<= ULTIMATE.start_main_~k~5 67), 173584#(<= ULTIMATE.start_main_~k~5 64), 173585#(<= ULTIMATE.start_main_~k~5 65), 173590#(<= ULTIMATE.start_main_~k~5 70), 173591#(<= ULTIMATE.start_main_~k~5 71), 173588#(<= ULTIMATE.start_main_~k~5 68), 173589#(<= ULTIMATE.start_main_~k~5 69), 173594#(<= ULTIMATE.start_main_~k~5 74), 173595#(<= ULTIMATE.start_main_~k~5 75), 173592#(<= ULTIMATE.start_main_~k~5 72), 173593#(<= ULTIMATE.start_main_~k~5 73), 173598#(<= ULTIMATE.start_main_~k~5 78), 173599#(<= ULTIMATE.start_main_~k~5 79), 173596#(<= ULTIMATE.start_main_~k~5 76), 173597#(<= ULTIMATE.start_main_~k~5 77), 173602#(<= ULTIMATE.start_main_~k~5 82), 173603#(<= ULTIMATE.start_main_~k~5 83), 173600#(<= ULTIMATE.start_main_~k~5 80), 173601#(<= ULTIMATE.start_main_~k~5 81), 173606#(<= ULTIMATE.start_main_~k~5 86), 173607#(<= ULTIMATE.start_main_~k~5 87), 173604#(<= ULTIMATE.start_main_~k~5 84), 173605#(<= ULTIMATE.start_main_~k~5 85), 173610#(<= ULTIMATE.start_main_~k~5 90), 173611#(<= ULTIMATE.start_main_~k~5 91), 173608#(<= ULTIMATE.start_main_~k~5 88), 173609#(<= ULTIMATE.start_main_~k~5 89), 173614#(<= ULTIMATE.start_main_~k~5 94), 173615#(<= ULTIMATE.start_main_~k~5 95), 173612#(<= ULTIMATE.start_main_~k~5 92), 173613#(<= ULTIMATE.start_main_~k~5 93), 173618#(<= ULTIMATE.start_main_~k~5 98), 173619#(<= ULTIMATE.start_main_~k~5 99), 173616#(<= ULTIMATE.start_main_~k~5 96), 173617#(<= ULTIMATE.start_main_~k~5 97), 173622#(<= ULTIMATE.start_main_~k~5 102), 173623#(<= ULTIMATE.start_main_~k~5 103), 173620#(<= ULTIMATE.start_main_~k~5 100), 173621#(<= ULTIMATE.start_main_~k~5 101), 173626#(<= ULTIMATE.start_main_~k~5 106), 173627#(<= ULTIMATE.start_main_~k~5 107), 173624#(<= ULTIMATE.start_main_~k~5 104), 173625#(<= ULTIMATE.start_main_~k~5 105), 173630#(<= ULTIMATE.start_main_~k~5 110), 173631#(<= ULTIMATE.start_main_~k~5 111), 173628#(<= ULTIMATE.start_main_~k~5 108), 173629#(<= ULTIMATE.start_main_~k~5 109), 173634#(<= ULTIMATE.start_main_~k~5 114), 173635#(<= ULTIMATE.start_main_~k~5 115), 173632#(<= ULTIMATE.start_main_~k~5 112), 173633#(<= ULTIMATE.start_main_~k~5 113), 173638#(<= ULTIMATE.start_main_~k~5 118), 173639#(<= ULTIMATE.start_main_~k~5 119), 173636#(<= ULTIMATE.start_main_~k~5 116), 173637#(<= ULTIMATE.start_main_~k~5 117), 173642#(<= ULTIMATE.start_main_~k~5 122), 173643#(<= ULTIMATE.start_main_~k~5 123), 173640#(<= ULTIMATE.start_main_~k~5 120), 173641#(<= ULTIMATE.start_main_~k~5 121), 173646#(<= ULTIMATE.start_main_~k~5 126), 173647#(<= ULTIMATE.start_main_~k~5 127), 173644#(<= ULTIMATE.start_main_~k~5 124), 173645#(<= ULTIMATE.start_main_~k~5 125), 173650#(<= ULTIMATE.start_main_~k~5 130), 173651#(<= ULTIMATE.start_main_~k~5 131), 173648#(<= ULTIMATE.start_main_~k~5 128), 173649#(<= ULTIMATE.start_main_~k~5 129), 173654#(<= ULTIMATE.start_main_~k~5 134), 173655#(<= ULTIMATE.start_main_~k~5 135), 173652#(<= ULTIMATE.start_main_~k~5 132), 173653#(<= ULTIMATE.start_main_~k~5 133), 173658#(<= ULTIMATE.start_main_~k~5 138), 173659#(<= ULTIMATE.start_main_~k~5 139), 173656#(<= ULTIMATE.start_main_~k~5 136), 173657#(<= ULTIMATE.start_main_~k~5 137), 173662#(<= ULTIMATE.start_main_~k~5 142), 173663#(<= ULTIMATE.start_main_~k~5 143), 173660#(<= ULTIMATE.start_main_~k~5 140), 173661#(<= ULTIMATE.start_main_~k~5 141), 173666#(<= ULTIMATE.start_main_~k~5 146), 173667#(<= ULTIMATE.start_main_~k~5 147), 173664#(<= ULTIMATE.start_main_~k~5 144), 173665#(<= ULTIMATE.start_main_~k~5 145), 173670#(<= ULTIMATE.start_main_~k~5 150), 173671#(<= ULTIMATE.start_main_~k~5 151), 173668#(<= ULTIMATE.start_main_~k~5 148), 173669#(<= ULTIMATE.start_main_~k~5 149), 173674#(<= ULTIMATE.start_main_~k~5 154), 173675#(<= ULTIMATE.start_main_~k~5 155), 173672#(<= ULTIMATE.start_main_~k~5 152), 173673#(<= ULTIMATE.start_main_~k~5 153), 173678#(<= ULTIMATE.start_main_~k~5 158), 173679#(<= ULTIMATE.start_main_~k~5 159), 173676#(<= ULTIMATE.start_main_~k~5 156), 173677#(<= ULTIMATE.start_main_~k~5 157), 173682#(<= ULTIMATE.start_main_~k~5 162), 173683#(<= ULTIMATE.start_main_~k~5 163), 173680#(<= ULTIMATE.start_main_~k~5 160), 173681#(<= ULTIMATE.start_main_~k~5 161), 173686#(<= ULTIMATE.start_main_~k~5 166), 173687#(<= ULTIMATE.start_main_~k~5 167), 173684#(<= ULTIMATE.start_main_~k~5 164), 173685#(<= ULTIMATE.start_main_~k~5 165), 173690#(<= ULTIMATE.start_main_~k~5 170), 173691#(<= ULTIMATE.start_main_~k~5 171), 173688#(<= ULTIMATE.start_main_~k~5 168), 173689#(<= ULTIMATE.start_main_~k~5 169), 173694#(<= ULTIMATE.start_main_~k~5 174), 173695#(<= ULTIMATE.start_main_~k~5 175), 173692#(<= ULTIMATE.start_main_~k~5 172), 173693#(<= ULTIMATE.start_main_~k~5 173), 173698#(<= ULTIMATE.start_main_~k~5 178), 173699#(<= ULTIMATE.start_main_~k~5 179), 173696#(<= ULTIMATE.start_main_~k~5 176), 173697#(<= ULTIMATE.start_main_~k~5 177), 173702#(<= ULTIMATE.start_main_~k~5 182), 173703#(<= ULTIMATE.start_main_~k~5 183), 173700#(<= ULTIMATE.start_main_~k~5 180), 173701#(<= ULTIMATE.start_main_~k~5 181), 173706#(<= ULTIMATE.start_main_~k~5 186), 173707#(<= ULTIMATE.start_main_~k~5 187), 173704#(<= ULTIMATE.start_main_~k~5 184), 173705#(<= ULTIMATE.start_main_~k~5 185), 173710#(<= ULTIMATE.start_main_~k~5 190), 173711#(<= ULTIMATE.start_main_~k~5 191), 173708#(<= ULTIMATE.start_main_~k~5 188), 173709#(<= ULTIMATE.start_main_~k~5 189), 173712#(<= ULTIMATE.start_main_~k~5 192), 173713#(<= ULTIMATE.start_main_~k~5 193), 173518#true, 173519#false, 173522#(<= ULTIMATE.start_main_~k~5 2), 173523#(<= ULTIMATE.start_main_~k~5 3), 173520#(<= ULTIMATE.start_main_~k~5 0), 173521#(<= ULTIMATE.start_main_~k~5 1), 173526#(<= ULTIMATE.start_main_~k~5 6), 173527#(<= ULTIMATE.start_main_~k~5 7), 173524#(<= ULTIMATE.start_main_~k~5 4), 173525#(<= ULTIMATE.start_main_~k~5 5), 173530#(<= ULTIMATE.start_main_~k~5 10), 173531#(<= ULTIMATE.start_main_~k~5 11), 173528#(<= ULTIMATE.start_main_~k~5 8), 173529#(<= ULTIMATE.start_main_~k~5 9), 173534#(<= ULTIMATE.start_main_~k~5 14), 173535#(<= ULTIMATE.start_main_~k~5 15), 173532#(<= ULTIMATE.start_main_~k~5 12), 173533#(<= ULTIMATE.start_main_~k~5 13), 173538#(<= ULTIMATE.start_main_~k~5 18), 173539#(<= ULTIMATE.start_main_~k~5 19), 173536#(<= ULTIMATE.start_main_~k~5 16), 173537#(<= ULTIMATE.start_main_~k~5 17), 173542#(<= ULTIMATE.start_main_~k~5 22), 173543#(<= ULTIMATE.start_main_~k~5 23), 173540#(<= ULTIMATE.start_main_~k~5 20), 173541#(<= ULTIMATE.start_main_~k~5 21), 173546#(<= ULTIMATE.start_main_~k~5 26), 173547#(<= ULTIMATE.start_main_~k~5 27), 173544#(<= ULTIMATE.start_main_~k~5 24), 173545#(<= ULTIMATE.start_main_~k~5 25), 173550#(<= ULTIMATE.start_main_~k~5 30), 173551#(<= ULTIMATE.start_main_~k~5 31), 173548#(<= ULTIMATE.start_main_~k~5 28), 173549#(<= ULTIMATE.start_main_~k~5 29), 173554#(<= ULTIMATE.start_main_~k~5 34), 173555#(<= ULTIMATE.start_main_~k~5 35), 173552#(<= ULTIMATE.start_main_~k~5 32), 173553#(<= ULTIMATE.start_main_~k~5 33), 173558#(<= ULTIMATE.start_main_~k~5 38), 173559#(<= ULTIMATE.start_main_~k~5 39), 173556#(<= ULTIMATE.start_main_~k~5 36), 173557#(<= ULTIMATE.start_main_~k~5 37), 173562#(<= ULTIMATE.start_main_~k~5 42), 173563#(<= ULTIMATE.start_main_~k~5 43), 173560#(<= ULTIMATE.start_main_~k~5 40), 173561#(<= ULTIMATE.start_main_~k~5 41), 173566#(<= ULTIMATE.start_main_~k~5 46), 173567#(<= ULTIMATE.start_main_~k~5 47), 173564#(<= ULTIMATE.start_main_~k~5 44), 173565#(<= ULTIMATE.start_main_~k~5 45)] [2018-07-23 13:48:40,946 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 13:48:40,946 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:48:40,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:48:40,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:48:40,951 INFO L87 Difference]: Start difference. First operand 391 states and 391 transitions. Second operand 196 states. [2018-07-23 13:48:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:42,436 INFO L93 Difference]: Finished difference Result 395 states and 395 transitions. [2018-07-23 13:48:42,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:48:42,437 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 390 [2018-07-23 13:48:42,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:42,437 INFO L225 Difference]: With dead ends: 395 [2018-07-23 13:48:42,438 INFO L226 Difference]: Without dead ends: 393 [2018-07-23 13:48:42,440 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:48:42,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-07-23 13:48:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2018-07-23 13:48:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-07-23 13:48:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 393 transitions. [2018-07-23 13:48:42,445 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 393 transitions. Word has length 390 [2018-07-23 13:48:42,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:42,445 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 393 transitions. [2018-07-23 13:48:42,445 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:48:42,445 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 393 transitions. [2018-07-23 13:48:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-07-23 13:48:42,446 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:42,446 INFO L357 BasicCegarLoop]: trace histogram [195, 194, 1, 1, 1] [2018-07-23 13:48:42,446 INFO L414 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:42,447 INFO L82 PathProgramCache]: Analyzing trace with hash 839680059, now seen corresponding path program 194 times [2018-07-23 13:48:42,447 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:44,722 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 13:48:44,722 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:44,722 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:48:44,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,723 INFO L185 omatonBuilderFactory]: Interpolants [175290#true, 175291#false, 175294#(<= ULTIMATE.start_main_~k~5 2), 175295#(<= ULTIMATE.start_main_~k~5 3), 175292#(<= ULTIMATE.start_main_~k~5 0), 175293#(<= ULTIMATE.start_main_~k~5 1), 175298#(<= ULTIMATE.start_main_~k~5 6), 175299#(<= ULTIMATE.start_main_~k~5 7), 175296#(<= ULTIMATE.start_main_~k~5 4), 175297#(<= ULTIMATE.start_main_~k~5 5), 175302#(<= ULTIMATE.start_main_~k~5 10), 175303#(<= ULTIMATE.start_main_~k~5 11), 175300#(<= ULTIMATE.start_main_~k~5 8), 175301#(<= ULTIMATE.start_main_~k~5 9), 175306#(<= ULTIMATE.start_main_~k~5 14), 175307#(<= ULTIMATE.start_main_~k~5 15), 175304#(<= ULTIMATE.start_main_~k~5 12), 175305#(<= ULTIMATE.start_main_~k~5 13), 175310#(<= ULTIMATE.start_main_~k~5 18), 175311#(<= ULTIMATE.start_main_~k~5 19), 175308#(<= ULTIMATE.start_main_~k~5 16), 175309#(<= ULTIMATE.start_main_~k~5 17), 175314#(<= ULTIMATE.start_main_~k~5 22), 175315#(<= ULTIMATE.start_main_~k~5 23), 175312#(<= ULTIMATE.start_main_~k~5 20), 175313#(<= ULTIMATE.start_main_~k~5 21), 175318#(<= ULTIMATE.start_main_~k~5 26), 175319#(<= ULTIMATE.start_main_~k~5 27), 175316#(<= ULTIMATE.start_main_~k~5 24), 175317#(<= ULTIMATE.start_main_~k~5 25), 175322#(<= ULTIMATE.start_main_~k~5 30), 175323#(<= ULTIMATE.start_main_~k~5 31), 175320#(<= ULTIMATE.start_main_~k~5 28), 175321#(<= ULTIMATE.start_main_~k~5 29), 175326#(<= ULTIMATE.start_main_~k~5 34), 175327#(<= ULTIMATE.start_main_~k~5 35), 175324#(<= ULTIMATE.start_main_~k~5 32), 175325#(<= ULTIMATE.start_main_~k~5 33), 175330#(<= ULTIMATE.start_main_~k~5 38), 175331#(<= ULTIMATE.start_main_~k~5 39), 175328#(<= ULTIMATE.start_main_~k~5 36), 175329#(<= ULTIMATE.start_main_~k~5 37), 175334#(<= ULTIMATE.start_main_~k~5 42), 175335#(<= ULTIMATE.start_main_~k~5 43), 175332#(<= ULTIMATE.start_main_~k~5 40), 175333#(<= ULTIMATE.start_main_~k~5 41), 175338#(<= ULTIMATE.start_main_~k~5 46), 175339#(<= ULTIMATE.start_main_~k~5 47), 175336#(<= ULTIMATE.start_main_~k~5 44), 175337#(<= ULTIMATE.start_main_~k~5 45), 175342#(<= ULTIMATE.start_main_~k~5 50), 175343#(<= ULTIMATE.start_main_~k~5 51), 175340#(<= ULTIMATE.start_main_~k~5 48), 175341#(<= ULTIMATE.start_main_~k~5 49), 175346#(<= ULTIMATE.start_main_~k~5 54), 175347#(<= ULTIMATE.start_main_~k~5 55), 175344#(<= ULTIMATE.start_main_~k~5 52), 175345#(<= ULTIMATE.start_main_~k~5 53), 175350#(<= ULTIMATE.start_main_~k~5 58), 175351#(<= ULTIMATE.start_main_~k~5 59), 175348#(<= ULTIMATE.start_main_~k~5 56), 175349#(<= ULTIMATE.start_main_~k~5 57), 175354#(<= ULTIMATE.start_main_~k~5 62), 175355#(<= ULTIMATE.start_main_~k~5 63), 175352#(<= ULTIMATE.start_main_~k~5 60), 175353#(<= ULTIMATE.start_main_~k~5 61), 175358#(<= ULTIMATE.start_main_~k~5 66), 175359#(<= ULTIMATE.start_main_~k~5 67), 175356#(<= ULTIMATE.start_main_~k~5 64), 175357#(<= ULTIMATE.start_main_~k~5 65), 175362#(<= ULTIMATE.start_main_~k~5 70), 175363#(<= ULTIMATE.start_main_~k~5 71), 175360#(<= ULTIMATE.start_main_~k~5 68), 175361#(<= ULTIMATE.start_main_~k~5 69), 175366#(<= ULTIMATE.start_main_~k~5 74), 175367#(<= ULTIMATE.start_main_~k~5 75), 175364#(<= ULTIMATE.start_main_~k~5 72), 175365#(<= ULTIMATE.start_main_~k~5 73), 175370#(<= ULTIMATE.start_main_~k~5 78), 175371#(<= ULTIMATE.start_main_~k~5 79), 175368#(<= ULTIMATE.start_main_~k~5 76), 175369#(<= ULTIMATE.start_main_~k~5 77), 175374#(<= ULTIMATE.start_main_~k~5 82), 175375#(<= ULTIMATE.start_main_~k~5 83), 175372#(<= ULTIMATE.start_main_~k~5 80), 175373#(<= ULTIMATE.start_main_~k~5 81), 175378#(<= ULTIMATE.start_main_~k~5 86), 175379#(<= ULTIMATE.start_main_~k~5 87), 175376#(<= ULTIMATE.start_main_~k~5 84), 175377#(<= ULTIMATE.start_main_~k~5 85), 175382#(<= ULTIMATE.start_main_~k~5 90), 175383#(<= ULTIMATE.start_main_~k~5 91), 175380#(<= ULTIMATE.start_main_~k~5 88), 175381#(<= ULTIMATE.start_main_~k~5 89), 175386#(<= ULTIMATE.start_main_~k~5 94), 175387#(<= ULTIMATE.start_main_~k~5 95), 175384#(<= ULTIMATE.start_main_~k~5 92), 175385#(<= ULTIMATE.start_main_~k~5 93), 175390#(<= ULTIMATE.start_main_~k~5 98), 175391#(<= ULTIMATE.start_main_~k~5 99), 175388#(<= ULTIMATE.start_main_~k~5 96), 175389#(<= ULTIMATE.start_main_~k~5 97), 175394#(<= ULTIMATE.start_main_~k~5 102), 175395#(<= ULTIMATE.start_main_~k~5 103), 175392#(<= ULTIMATE.start_main_~k~5 100), 175393#(<= ULTIMATE.start_main_~k~5 101), 175398#(<= ULTIMATE.start_main_~k~5 106), 175399#(<= ULTIMATE.start_main_~k~5 107), 175396#(<= ULTIMATE.start_main_~k~5 104), 175397#(<= ULTIMATE.start_main_~k~5 105), 175402#(<= ULTIMATE.start_main_~k~5 110), 175403#(<= ULTIMATE.start_main_~k~5 111), 175400#(<= ULTIMATE.start_main_~k~5 108), 175401#(<= ULTIMATE.start_main_~k~5 109), 175406#(<= ULTIMATE.start_main_~k~5 114), 175407#(<= ULTIMATE.start_main_~k~5 115), 175404#(<= ULTIMATE.start_main_~k~5 112), 175405#(<= ULTIMATE.start_main_~k~5 113), 175410#(<= ULTIMATE.start_main_~k~5 118), 175411#(<= ULTIMATE.start_main_~k~5 119), 175408#(<= ULTIMATE.start_main_~k~5 116), 175409#(<= ULTIMATE.start_main_~k~5 117), 175414#(<= ULTIMATE.start_main_~k~5 122), 175415#(<= ULTIMATE.start_main_~k~5 123), 175412#(<= ULTIMATE.start_main_~k~5 120), 175413#(<= ULTIMATE.start_main_~k~5 121), 175418#(<= ULTIMATE.start_main_~k~5 126), 175419#(<= ULTIMATE.start_main_~k~5 127), 175416#(<= ULTIMATE.start_main_~k~5 124), 175417#(<= ULTIMATE.start_main_~k~5 125), 175422#(<= ULTIMATE.start_main_~k~5 130), 175423#(<= ULTIMATE.start_main_~k~5 131), 175420#(<= ULTIMATE.start_main_~k~5 128), 175421#(<= ULTIMATE.start_main_~k~5 129), 175426#(<= ULTIMATE.start_main_~k~5 134), 175427#(<= ULTIMATE.start_main_~k~5 135), 175424#(<= ULTIMATE.start_main_~k~5 132), 175425#(<= ULTIMATE.start_main_~k~5 133), 175430#(<= ULTIMATE.start_main_~k~5 138), 175431#(<= ULTIMATE.start_main_~k~5 139), 175428#(<= ULTIMATE.start_main_~k~5 136), 175429#(<= ULTIMATE.start_main_~k~5 137), 175434#(<= ULTIMATE.start_main_~k~5 142), 175435#(<= ULTIMATE.start_main_~k~5 143), 175432#(<= ULTIMATE.start_main_~k~5 140), 175433#(<= ULTIMATE.start_main_~k~5 141), 175438#(<= ULTIMATE.start_main_~k~5 146), 175439#(<= ULTIMATE.start_main_~k~5 147), 175436#(<= ULTIMATE.start_main_~k~5 144), 175437#(<= ULTIMATE.start_main_~k~5 145), 175442#(<= ULTIMATE.start_main_~k~5 150), 175443#(<= ULTIMATE.start_main_~k~5 151), 175440#(<= ULTIMATE.start_main_~k~5 148), 175441#(<= ULTIMATE.start_main_~k~5 149), 175446#(<= ULTIMATE.start_main_~k~5 154), 175447#(<= ULTIMATE.start_main_~k~5 155), 175444#(<= ULTIMATE.start_main_~k~5 152), 175445#(<= ULTIMATE.start_main_~k~5 153), 175450#(<= ULTIMATE.start_main_~k~5 158), 175451#(<= ULTIMATE.start_main_~k~5 159), 175448#(<= ULTIMATE.start_main_~k~5 156), 175449#(<= ULTIMATE.start_main_~k~5 157), 175454#(<= ULTIMATE.start_main_~k~5 162), 175455#(<= ULTIMATE.start_main_~k~5 163), 175452#(<= ULTIMATE.start_main_~k~5 160), 175453#(<= ULTIMATE.start_main_~k~5 161), 175458#(<= ULTIMATE.start_main_~k~5 166), 175459#(<= ULTIMATE.start_main_~k~5 167), 175456#(<= ULTIMATE.start_main_~k~5 164), 175457#(<= ULTIMATE.start_main_~k~5 165), 175462#(<= ULTIMATE.start_main_~k~5 170), 175463#(<= ULTIMATE.start_main_~k~5 171), 175460#(<= ULTIMATE.start_main_~k~5 168), 175461#(<= ULTIMATE.start_main_~k~5 169), 175466#(<= ULTIMATE.start_main_~k~5 174), 175467#(<= ULTIMATE.start_main_~k~5 175), 175464#(<= ULTIMATE.start_main_~k~5 172), 175465#(<= ULTIMATE.start_main_~k~5 173), 175470#(<= ULTIMATE.start_main_~k~5 178), 175471#(<= ULTIMATE.start_main_~k~5 179), 175468#(<= ULTIMATE.start_main_~k~5 176), 175469#(<= ULTIMATE.start_main_~k~5 177), 175474#(<= ULTIMATE.start_main_~k~5 182), 175475#(<= ULTIMATE.start_main_~k~5 183), 175472#(<= ULTIMATE.start_main_~k~5 180), 175473#(<= ULTIMATE.start_main_~k~5 181), 175478#(<= ULTIMATE.start_main_~k~5 186), 175479#(<= ULTIMATE.start_main_~k~5 187), 175476#(<= ULTIMATE.start_main_~k~5 184), 175477#(<= ULTIMATE.start_main_~k~5 185), 175482#(<= ULTIMATE.start_main_~k~5 190), 175483#(<= ULTIMATE.start_main_~k~5 191), 175480#(<= ULTIMATE.start_main_~k~5 188), 175481#(<= ULTIMATE.start_main_~k~5 189), 175486#(<= ULTIMATE.start_main_~k~5 194), 175484#(<= ULTIMATE.start_main_~k~5 192), 175485#(<= ULTIMATE.start_main_~k~5 193)] [2018-07-23 13:48:44,725 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 13:48:44,725 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:48:44,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:48:44,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:48:44,731 INFO L87 Difference]: Start difference. First operand 393 states and 393 transitions. Second operand 197 states. [2018-07-23 13:48:45,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:45,889 INFO L93 Difference]: Finished difference Result 397 states and 397 transitions. [2018-07-23 13:48:45,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:48:45,889 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 392 [2018-07-23 13:48:45,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:45,890 INFO L225 Difference]: With dead ends: 397 [2018-07-23 13:48:45,890 INFO L226 Difference]: Without dead ends: 395 [2018-07-23 13:48:45,891 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:48:45,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-07-23 13:48:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2018-07-23 13:48:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-07-23 13:48:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 395 transitions. [2018-07-23 13:48:45,895 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 395 transitions. Word has length 392 [2018-07-23 13:48:45,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:45,896 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 395 transitions. [2018-07-23 13:48:45,896 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:48:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 395 transitions. [2018-07-23 13:48:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-07-23 13:48:45,897 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:45,897 INFO L357 BasicCegarLoop]: trace histogram [196, 195, 1, 1, 1] [2018-07-23 13:48:45,897 INFO L414 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:45,897 INFO L82 PathProgramCache]: Analyzing trace with hash -521262859, now seen corresponding path program 195 times [2018-07-23 13:48:45,897 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:48,218 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 13:48:48,219 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:48,219 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:48:48,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:48,220 INFO L185 omatonBuilderFactory]: Interpolants [177154#(<= ULTIMATE.start_main_~k~5 81), 177155#(<= ULTIMATE.start_main_~k~5 82), 177152#(<= ULTIMATE.start_main_~k~5 79), 177153#(<= ULTIMATE.start_main_~k~5 80), 177158#(<= ULTIMATE.start_main_~k~5 85), 177159#(<= ULTIMATE.start_main_~k~5 86), 177156#(<= ULTIMATE.start_main_~k~5 83), 177157#(<= ULTIMATE.start_main_~k~5 84), 177162#(<= ULTIMATE.start_main_~k~5 89), 177163#(<= ULTIMATE.start_main_~k~5 90), 177160#(<= ULTIMATE.start_main_~k~5 87), 177161#(<= ULTIMATE.start_main_~k~5 88), 177166#(<= ULTIMATE.start_main_~k~5 93), 177167#(<= ULTIMATE.start_main_~k~5 94), 177164#(<= ULTIMATE.start_main_~k~5 91), 177165#(<= ULTIMATE.start_main_~k~5 92), 177170#(<= ULTIMATE.start_main_~k~5 97), 177171#(<= ULTIMATE.start_main_~k~5 98), 177168#(<= ULTIMATE.start_main_~k~5 95), 177169#(<= ULTIMATE.start_main_~k~5 96), 177174#(<= ULTIMATE.start_main_~k~5 101), 177175#(<= ULTIMATE.start_main_~k~5 102), 177172#(<= ULTIMATE.start_main_~k~5 99), 177173#(<= ULTIMATE.start_main_~k~5 100), 177178#(<= ULTIMATE.start_main_~k~5 105), 177179#(<= ULTIMATE.start_main_~k~5 106), 177176#(<= ULTIMATE.start_main_~k~5 103), 177177#(<= ULTIMATE.start_main_~k~5 104), 177182#(<= ULTIMATE.start_main_~k~5 109), 177183#(<= ULTIMATE.start_main_~k~5 110), 177180#(<= ULTIMATE.start_main_~k~5 107), 177181#(<= ULTIMATE.start_main_~k~5 108), 177186#(<= ULTIMATE.start_main_~k~5 113), 177187#(<= ULTIMATE.start_main_~k~5 114), 177184#(<= ULTIMATE.start_main_~k~5 111), 177185#(<= ULTIMATE.start_main_~k~5 112), 177190#(<= ULTIMATE.start_main_~k~5 117), 177191#(<= ULTIMATE.start_main_~k~5 118), 177188#(<= ULTIMATE.start_main_~k~5 115), 177189#(<= ULTIMATE.start_main_~k~5 116), 177194#(<= ULTIMATE.start_main_~k~5 121), 177195#(<= ULTIMATE.start_main_~k~5 122), 177192#(<= ULTIMATE.start_main_~k~5 119), 177193#(<= ULTIMATE.start_main_~k~5 120), 177198#(<= ULTIMATE.start_main_~k~5 125), 177199#(<= ULTIMATE.start_main_~k~5 126), 177196#(<= ULTIMATE.start_main_~k~5 123), 177197#(<= ULTIMATE.start_main_~k~5 124), 177202#(<= ULTIMATE.start_main_~k~5 129), 177203#(<= ULTIMATE.start_main_~k~5 130), 177200#(<= ULTIMATE.start_main_~k~5 127), 177201#(<= ULTIMATE.start_main_~k~5 128), 177206#(<= ULTIMATE.start_main_~k~5 133), 177207#(<= ULTIMATE.start_main_~k~5 134), 177204#(<= ULTIMATE.start_main_~k~5 131), 177205#(<= ULTIMATE.start_main_~k~5 132), 177210#(<= ULTIMATE.start_main_~k~5 137), 177211#(<= ULTIMATE.start_main_~k~5 138), 177208#(<= ULTIMATE.start_main_~k~5 135), 177209#(<= ULTIMATE.start_main_~k~5 136), 177214#(<= ULTIMATE.start_main_~k~5 141), 177215#(<= ULTIMATE.start_main_~k~5 142), 177212#(<= ULTIMATE.start_main_~k~5 139), 177213#(<= ULTIMATE.start_main_~k~5 140), 177218#(<= ULTIMATE.start_main_~k~5 145), 177219#(<= ULTIMATE.start_main_~k~5 146), 177216#(<= ULTIMATE.start_main_~k~5 143), 177217#(<= ULTIMATE.start_main_~k~5 144), 177222#(<= ULTIMATE.start_main_~k~5 149), 177223#(<= ULTIMATE.start_main_~k~5 150), 177220#(<= ULTIMATE.start_main_~k~5 147), 177221#(<= ULTIMATE.start_main_~k~5 148), 177226#(<= ULTIMATE.start_main_~k~5 153), 177227#(<= ULTIMATE.start_main_~k~5 154), 177224#(<= ULTIMATE.start_main_~k~5 151), 177225#(<= ULTIMATE.start_main_~k~5 152), 177230#(<= ULTIMATE.start_main_~k~5 157), 177231#(<= ULTIMATE.start_main_~k~5 158), 177228#(<= ULTIMATE.start_main_~k~5 155), 177229#(<= ULTIMATE.start_main_~k~5 156), 177234#(<= ULTIMATE.start_main_~k~5 161), 177235#(<= ULTIMATE.start_main_~k~5 162), 177232#(<= ULTIMATE.start_main_~k~5 159), 177233#(<= ULTIMATE.start_main_~k~5 160), 177238#(<= ULTIMATE.start_main_~k~5 165), 177239#(<= ULTIMATE.start_main_~k~5 166), 177236#(<= ULTIMATE.start_main_~k~5 163), 177237#(<= ULTIMATE.start_main_~k~5 164), 177242#(<= ULTIMATE.start_main_~k~5 169), 177243#(<= ULTIMATE.start_main_~k~5 170), 177240#(<= ULTIMATE.start_main_~k~5 167), 177241#(<= ULTIMATE.start_main_~k~5 168), 177246#(<= ULTIMATE.start_main_~k~5 173), 177247#(<= ULTIMATE.start_main_~k~5 174), 177244#(<= ULTIMATE.start_main_~k~5 171), 177245#(<= ULTIMATE.start_main_~k~5 172), 177250#(<= ULTIMATE.start_main_~k~5 177), 177251#(<= ULTIMATE.start_main_~k~5 178), 177248#(<= ULTIMATE.start_main_~k~5 175), 177249#(<= ULTIMATE.start_main_~k~5 176), 177254#(<= ULTIMATE.start_main_~k~5 181), 177255#(<= ULTIMATE.start_main_~k~5 182), 177252#(<= ULTIMATE.start_main_~k~5 179), 177253#(<= ULTIMATE.start_main_~k~5 180), 177258#(<= ULTIMATE.start_main_~k~5 185), 177259#(<= ULTIMATE.start_main_~k~5 186), 177256#(<= ULTIMATE.start_main_~k~5 183), 177257#(<= ULTIMATE.start_main_~k~5 184), 177262#(<= ULTIMATE.start_main_~k~5 189), 177263#(<= ULTIMATE.start_main_~k~5 190), 177260#(<= ULTIMATE.start_main_~k~5 187), 177261#(<= ULTIMATE.start_main_~k~5 188), 177266#(<= ULTIMATE.start_main_~k~5 193), 177267#(<= ULTIMATE.start_main_~k~5 194), 177264#(<= ULTIMATE.start_main_~k~5 191), 177265#(<= ULTIMATE.start_main_~k~5 192), 177268#(<= ULTIMATE.start_main_~k~5 195), 177071#true, 177074#(<= ULTIMATE.start_main_~k~5 1), 177075#(<= ULTIMATE.start_main_~k~5 2), 177072#false, 177073#(<= ULTIMATE.start_main_~k~5 0), 177078#(<= ULTIMATE.start_main_~k~5 5), 177079#(<= ULTIMATE.start_main_~k~5 6), 177076#(<= ULTIMATE.start_main_~k~5 3), 177077#(<= ULTIMATE.start_main_~k~5 4), 177082#(<= ULTIMATE.start_main_~k~5 9), 177083#(<= ULTIMATE.start_main_~k~5 10), 177080#(<= ULTIMATE.start_main_~k~5 7), 177081#(<= ULTIMATE.start_main_~k~5 8), 177086#(<= ULTIMATE.start_main_~k~5 13), 177087#(<= ULTIMATE.start_main_~k~5 14), 177084#(<= ULTIMATE.start_main_~k~5 11), 177085#(<= ULTIMATE.start_main_~k~5 12), 177090#(<= ULTIMATE.start_main_~k~5 17), 177091#(<= ULTIMATE.start_main_~k~5 18), 177088#(<= ULTIMATE.start_main_~k~5 15), 177089#(<= ULTIMATE.start_main_~k~5 16), 177094#(<= ULTIMATE.start_main_~k~5 21), 177095#(<= ULTIMATE.start_main_~k~5 22), 177092#(<= ULTIMATE.start_main_~k~5 19), 177093#(<= ULTIMATE.start_main_~k~5 20), 177098#(<= ULTIMATE.start_main_~k~5 25), 177099#(<= ULTIMATE.start_main_~k~5 26), 177096#(<= ULTIMATE.start_main_~k~5 23), 177097#(<= ULTIMATE.start_main_~k~5 24), 177102#(<= ULTIMATE.start_main_~k~5 29), 177103#(<= ULTIMATE.start_main_~k~5 30), 177100#(<= ULTIMATE.start_main_~k~5 27), 177101#(<= ULTIMATE.start_main_~k~5 28), 177106#(<= ULTIMATE.start_main_~k~5 33), 177107#(<= ULTIMATE.start_main_~k~5 34), 177104#(<= ULTIMATE.start_main_~k~5 31), 177105#(<= ULTIMATE.start_main_~k~5 32), 177110#(<= ULTIMATE.start_main_~k~5 37), 177111#(<= ULTIMATE.start_main_~k~5 38), 177108#(<= ULTIMATE.start_main_~k~5 35), 177109#(<= ULTIMATE.start_main_~k~5 36), 177114#(<= ULTIMATE.start_main_~k~5 41), 177115#(<= ULTIMATE.start_main_~k~5 42), 177112#(<= ULTIMATE.start_main_~k~5 39), 177113#(<= ULTIMATE.start_main_~k~5 40), 177118#(<= ULTIMATE.start_main_~k~5 45), 177119#(<= ULTIMATE.start_main_~k~5 46), 177116#(<= ULTIMATE.start_main_~k~5 43), 177117#(<= ULTIMATE.start_main_~k~5 44), 177122#(<= ULTIMATE.start_main_~k~5 49), 177123#(<= ULTIMATE.start_main_~k~5 50), 177120#(<= ULTIMATE.start_main_~k~5 47), 177121#(<= ULTIMATE.start_main_~k~5 48), 177126#(<= ULTIMATE.start_main_~k~5 53), 177127#(<= ULTIMATE.start_main_~k~5 54), 177124#(<= ULTIMATE.start_main_~k~5 51), 177125#(<= ULTIMATE.start_main_~k~5 52), 177130#(<= ULTIMATE.start_main_~k~5 57), 177131#(<= ULTIMATE.start_main_~k~5 58), 177128#(<= ULTIMATE.start_main_~k~5 55), 177129#(<= ULTIMATE.start_main_~k~5 56), 177134#(<= ULTIMATE.start_main_~k~5 61), 177135#(<= ULTIMATE.start_main_~k~5 62), 177132#(<= ULTIMATE.start_main_~k~5 59), 177133#(<= ULTIMATE.start_main_~k~5 60), 177138#(<= ULTIMATE.start_main_~k~5 65), 177139#(<= ULTIMATE.start_main_~k~5 66), 177136#(<= ULTIMATE.start_main_~k~5 63), 177137#(<= ULTIMATE.start_main_~k~5 64), 177142#(<= ULTIMATE.start_main_~k~5 69), 177143#(<= ULTIMATE.start_main_~k~5 70), 177140#(<= ULTIMATE.start_main_~k~5 67), 177141#(<= ULTIMATE.start_main_~k~5 68), 177146#(<= ULTIMATE.start_main_~k~5 73), 177147#(<= ULTIMATE.start_main_~k~5 74), 177144#(<= ULTIMATE.start_main_~k~5 71), 177145#(<= ULTIMATE.start_main_~k~5 72), 177150#(<= ULTIMATE.start_main_~k~5 77), 177151#(<= ULTIMATE.start_main_~k~5 78), 177148#(<= ULTIMATE.start_main_~k~5 75), 177149#(<= ULTIMATE.start_main_~k~5 76)] [2018-07-23 13:48:48,222 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 13:48:48,222 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:48:48,224 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:48:48,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:48:48,227 INFO L87 Difference]: Start difference. First operand 395 states and 395 transitions. Second operand 198 states. [2018-07-23 13:48:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:49,114 INFO L93 Difference]: Finished difference Result 399 states and 399 transitions. [2018-07-23 13:48:49,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:48:49,115 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 394 [2018-07-23 13:48:49,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:49,116 INFO L225 Difference]: With dead ends: 399 [2018-07-23 13:48:49,116 INFO L226 Difference]: Without dead ends: 397 [2018-07-23 13:48:49,120 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:48:49,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-07-23 13:48:49,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2018-07-23 13:48:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-07-23 13:48:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 397 transitions. [2018-07-23 13:48:49,125 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 397 transitions. Word has length 394 [2018-07-23 13:48:49,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:49,125 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 397 transitions. [2018-07-23 13:48:49,125 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:48:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 397 transitions. [2018-07-23 13:48:49,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-07-23 13:48:49,126 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:49,126 INFO L357 BasicCegarLoop]: trace histogram [197, 196, 1, 1, 1] [2018-07-23 13:48:49,126 INFO L414 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:49,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1577618223, now seen corresponding path program 196 times [2018-07-23 13:48:49,127 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:51,501 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 13:48:51,502 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:51,502 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:48:51,502 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:51,502 INFO L185 omatonBuilderFactory]: Interpolants [178862#false, 178863#(<= ULTIMATE.start_main_~k~5 0), 178861#true, 178866#(<= ULTIMATE.start_main_~k~5 3), 178867#(<= ULTIMATE.start_main_~k~5 4), 178864#(<= ULTIMATE.start_main_~k~5 1), 178865#(<= ULTIMATE.start_main_~k~5 2), 178870#(<= ULTIMATE.start_main_~k~5 7), 178871#(<= ULTIMATE.start_main_~k~5 8), 178868#(<= ULTIMATE.start_main_~k~5 5), 178869#(<= ULTIMATE.start_main_~k~5 6), 178874#(<= ULTIMATE.start_main_~k~5 11), 178875#(<= ULTIMATE.start_main_~k~5 12), 178872#(<= ULTIMATE.start_main_~k~5 9), 178873#(<= ULTIMATE.start_main_~k~5 10), 178878#(<= ULTIMATE.start_main_~k~5 15), 178879#(<= ULTIMATE.start_main_~k~5 16), 178876#(<= ULTIMATE.start_main_~k~5 13), 178877#(<= ULTIMATE.start_main_~k~5 14), 178882#(<= ULTIMATE.start_main_~k~5 19), 178883#(<= ULTIMATE.start_main_~k~5 20), 178880#(<= ULTIMATE.start_main_~k~5 17), 178881#(<= ULTIMATE.start_main_~k~5 18), 178886#(<= ULTIMATE.start_main_~k~5 23), 178887#(<= ULTIMATE.start_main_~k~5 24), 178884#(<= ULTIMATE.start_main_~k~5 21), 178885#(<= ULTIMATE.start_main_~k~5 22), 178890#(<= ULTIMATE.start_main_~k~5 27), 178891#(<= ULTIMATE.start_main_~k~5 28), 178888#(<= ULTIMATE.start_main_~k~5 25), 178889#(<= ULTIMATE.start_main_~k~5 26), 178894#(<= ULTIMATE.start_main_~k~5 31), 178895#(<= ULTIMATE.start_main_~k~5 32), 178892#(<= ULTIMATE.start_main_~k~5 29), 178893#(<= ULTIMATE.start_main_~k~5 30), 178898#(<= ULTIMATE.start_main_~k~5 35), 178899#(<= ULTIMATE.start_main_~k~5 36), 178896#(<= ULTIMATE.start_main_~k~5 33), 178897#(<= ULTIMATE.start_main_~k~5 34), 178902#(<= ULTIMATE.start_main_~k~5 39), 178903#(<= ULTIMATE.start_main_~k~5 40), 178900#(<= ULTIMATE.start_main_~k~5 37), 178901#(<= ULTIMATE.start_main_~k~5 38), 178906#(<= ULTIMATE.start_main_~k~5 43), 178907#(<= ULTIMATE.start_main_~k~5 44), 178904#(<= ULTIMATE.start_main_~k~5 41), 178905#(<= ULTIMATE.start_main_~k~5 42), 178910#(<= ULTIMATE.start_main_~k~5 47), 178911#(<= ULTIMATE.start_main_~k~5 48), 178908#(<= ULTIMATE.start_main_~k~5 45), 178909#(<= ULTIMATE.start_main_~k~5 46), 178914#(<= ULTIMATE.start_main_~k~5 51), 178915#(<= ULTIMATE.start_main_~k~5 52), 178912#(<= ULTIMATE.start_main_~k~5 49), 178913#(<= ULTIMATE.start_main_~k~5 50), 178918#(<= ULTIMATE.start_main_~k~5 55), 178919#(<= ULTIMATE.start_main_~k~5 56), 178916#(<= ULTIMATE.start_main_~k~5 53), 178917#(<= ULTIMATE.start_main_~k~5 54), 178922#(<= ULTIMATE.start_main_~k~5 59), 178923#(<= ULTIMATE.start_main_~k~5 60), 178920#(<= ULTIMATE.start_main_~k~5 57), 178921#(<= ULTIMATE.start_main_~k~5 58), 178926#(<= ULTIMATE.start_main_~k~5 63), 178927#(<= ULTIMATE.start_main_~k~5 64), 178924#(<= ULTIMATE.start_main_~k~5 61), 178925#(<= ULTIMATE.start_main_~k~5 62), 178930#(<= ULTIMATE.start_main_~k~5 67), 178931#(<= ULTIMATE.start_main_~k~5 68), 178928#(<= ULTIMATE.start_main_~k~5 65), 178929#(<= ULTIMATE.start_main_~k~5 66), 178934#(<= ULTIMATE.start_main_~k~5 71), 178935#(<= ULTIMATE.start_main_~k~5 72), 178932#(<= ULTIMATE.start_main_~k~5 69), 178933#(<= ULTIMATE.start_main_~k~5 70), 178938#(<= ULTIMATE.start_main_~k~5 75), 178939#(<= ULTIMATE.start_main_~k~5 76), 178936#(<= ULTIMATE.start_main_~k~5 73), 178937#(<= ULTIMATE.start_main_~k~5 74), 178942#(<= ULTIMATE.start_main_~k~5 79), 178943#(<= ULTIMATE.start_main_~k~5 80), 178940#(<= ULTIMATE.start_main_~k~5 77), 178941#(<= ULTIMATE.start_main_~k~5 78), 178946#(<= ULTIMATE.start_main_~k~5 83), 178947#(<= ULTIMATE.start_main_~k~5 84), 178944#(<= ULTIMATE.start_main_~k~5 81), 178945#(<= ULTIMATE.start_main_~k~5 82), 178950#(<= ULTIMATE.start_main_~k~5 87), 178951#(<= ULTIMATE.start_main_~k~5 88), 178948#(<= ULTIMATE.start_main_~k~5 85), 178949#(<= ULTIMATE.start_main_~k~5 86), 178954#(<= ULTIMATE.start_main_~k~5 91), 178955#(<= ULTIMATE.start_main_~k~5 92), 178952#(<= ULTIMATE.start_main_~k~5 89), 178953#(<= ULTIMATE.start_main_~k~5 90), 178958#(<= ULTIMATE.start_main_~k~5 95), 178959#(<= ULTIMATE.start_main_~k~5 96), 178956#(<= ULTIMATE.start_main_~k~5 93), 178957#(<= ULTIMATE.start_main_~k~5 94), 178962#(<= ULTIMATE.start_main_~k~5 99), 178963#(<= ULTIMATE.start_main_~k~5 100), 178960#(<= ULTIMATE.start_main_~k~5 97), 178961#(<= ULTIMATE.start_main_~k~5 98), 178966#(<= ULTIMATE.start_main_~k~5 103), 178967#(<= ULTIMATE.start_main_~k~5 104), 178964#(<= ULTIMATE.start_main_~k~5 101), 178965#(<= ULTIMATE.start_main_~k~5 102), 178970#(<= ULTIMATE.start_main_~k~5 107), 178971#(<= ULTIMATE.start_main_~k~5 108), 178968#(<= ULTIMATE.start_main_~k~5 105), 178969#(<= ULTIMATE.start_main_~k~5 106), 178974#(<= ULTIMATE.start_main_~k~5 111), 178975#(<= ULTIMATE.start_main_~k~5 112), 178972#(<= ULTIMATE.start_main_~k~5 109), 178973#(<= ULTIMATE.start_main_~k~5 110), 178978#(<= ULTIMATE.start_main_~k~5 115), 178979#(<= ULTIMATE.start_main_~k~5 116), 178976#(<= ULTIMATE.start_main_~k~5 113), 178977#(<= ULTIMATE.start_main_~k~5 114), 178982#(<= ULTIMATE.start_main_~k~5 119), 178983#(<= ULTIMATE.start_main_~k~5 120), 178980#(<= ULTIMATE.start_main_~k~5 117), 178981#(<= ULTIMATE.start_main_~k~5 118), 178986#(<= ULTIMATE.start_main_~k~5 123), 178987#(<= ULTIMATE.start_main_~k~5 124), 178984#(<= ULTIMATE.start_main_~k~5 121), 178985#(<= ULTIMATE.start_main_~k~5 122), 178990#(<= ULTIMATE.start_main_~k~5 127), 178991#(<= ULTIMATE.start_main_~k~5 128), 178988#(<= ULTIMATE.start_main_~k~5 125), 178989#(<= ULTIMATE.start_main_~k~5 126), 178994#(<= ULTIMATE.start_main_~k~5 131), 178995#(<= ULTIMATE.start_main_~k~5 132), 178992#(<= ULTIMATE.start_main_~k~5 129), 178993#(<= ULTIMATE.start_main_~k~5 130), 178998#(<= ULTIMATE.start_main_~k~5 135), 178999#(<= ULTIMATE.start_main_~k~5 136), 178996#(<= ULTIMATE.start_main_~k~5 133), 178997#(<= ULTIMATE.start_main_~k~5 134), 179002#(<= ULTIMATE.start_main_~k~5 139), 179003#(<= ULTIMATE.start_main_~k~5 140), 179000#(<= ULTIMATE.start_main_~k~5 137), 179001#(<= ULTIMATE.start_main_~k~5 138), 179006#(<= ULTIMATE.start_main_~k~5 143), 179007#(<= ULTIMATE.start_main_~k~5 144), 179004#(<= ULTIMATE.start_main_~k~5 141), 179005#(<= ULTIMATE.start_main_~k~5 142), 179010#(<= ULTIMATE.start_main_~k~5 147), 179011#(<= ULTIMATE.start_main_~k~5 148), 179008#(<= ULTIMATE.start_main_~k~5 145), 179009#(<= ULTIMATE.start_main_~k~5 146), 179014#(<= ULTIMATE.start_main_~k~5 151), 179015#(<= ULTIMATE.start_main_~k~5 152), 179012#(<= ULTIMATE.start_main_~k~5 149), 179013#(<= ULTIMATE.start_main_~k~5 150), 179018#(<= ULTIMATE.start_main_~k~5 155), 179019#(<= ULTIMATE.start_main_~k~5 156), 179016#(<= ULTIMATE.start_main_~k~5 153), 179017#(<= ULTIMATE.start_main_~k~5 154), 179022#(<= ULTIMATE.start_main_~k~5 159), 179023#(<= ULTIMATE.start_main_~k~5 160), 179020#(<= ULTIMATE.start_main_~k~5 157), 179021#(<= ULTIMATE.start_main_~k~5 158), 179026#(<= ULTIMATE.start_main_~k~5 163), 179027#(<= ULTIMATE.start_main_~k~5 164), 179024#(<= ULTIMATE.start_main_~k~5 161), 179025#(<= ULTIMATE.start_main_~k~5 162), 179030#(<= ULTIMATE.start_main_~k~5 167), 179031#(<= ULTIMATE.start_main_~k~5 168), 179028#(<= ULTIMATE.start_main_~k~5 165), 179029#(<= ULTIMATE.start_main_~k~5 166), 179034#(<= ULTIMATE.start_main_~k~5 171), 179035#(<= ULTIMATE.start_main_~k~5 172), 179032#(<= ULTIMATE.start_main_~k~5 169), 179033#(<= ULTIMATE.start_main_~k~5 170), 179038#(<= ULTIMATE.start_main_~k~5 175), 179039#(<= ULTIMATE.start_main_~k~5 176), 179036#(<= ULTIMATE.start_main_~k~5 173), 179037#(<= ULTIMATE.start_main_~k~5 174), 179042#(<= ULTIMATE.start_main_~k~5 179), 179043#(<= ULTIMATE.start_main_~k~5 180), 179040#(<= ULTIMATE.start_main_~k~5 177), 179041#(<= ULTIMATE.start_main_~k~5 178), 179046#(<= ULTIMATE.start_main_~k~5 183), 179047#(<= ULTIMATE.start_main_~k~5 184), 179044#(<= ULTIMATE.start_main_~k~5 181), 179045#(<= ULTIMATE.start_main_~k~5 182), 179050#(<= ULTIMATE.start_main_~k~5 187), 179051#(<= ULTIMATE.start_main_~k~5 188), 179048#(<= ULTIMATE.start_main_~k~5 185), 179049#(<= ULTIMATE.start_main_~k~5 186), 179054#(<= ULTIMATE.start_main_~k~5 191), 179055#(<= ULTIMATE.start_main_~k~5 192), 179052#(<= ULTIMATE.start_main_~k~5 189), 179053#(<= ULTIMATE.start_main_~k~5 190), 179058#(<= ULTIMATE.start_main_~k~5 195), 179059#(<= ULTIMATE.start_main_~k~5 196), 179056#(<= ULTIMATE.start_main_~k~5 193), 179057#(<= ULTIMATE.start_main_~k~5 194)] [2018-07-23 13:48:51,505 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 13:48:51,505 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:48:51,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:48:51,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:48:51,511 INFO L87 Difference]: Start difference. First operand 397 states and 397 transitions. Second operand 199 states. [2018-07-23 13:48:52,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:52,506 INFO L93 Difference]: Finished difference Result 401 states and 401 transitions. [2018-07-23 13:48:52,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:48:52,506 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 396 [2018-07-23 13:48:52,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:52,507 INFO L225 Difference]: With dead ends: 401 [2018-07-23 13:48:52,507 INFO L226 Difference]: Without dead ends: 399 [2018-07-23 13:48:52,511 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:48:52,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-07-23 13:48:52,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2018-07-23 13:48:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-07-23 13:48:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 399 transitions. [2018-07-23 13:48:52,516 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 399 transitions. Word has length 396 [2018-07-23 13:48:52,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:52,516 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 399 transitions. [2018-07-23 13:48:52,516 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:48:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 399 transitions. [2018-07-23 13:48:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-07-23 13:48:52,518 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:52,518 INFO L357 BasicCegarLoop]: trace histogram [198, 197, 1, 1, 1] [2018-07-23 13:48:52,518 INFO L414 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:52,518 INFO L82 PathProgramCache]: Analyzing trace with hash -32291095, now seen corresponding path program 197 times [2018-07-23 13:48:52,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:54,917 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 13:48:54,917 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:54,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:48:54,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:54,918 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 13:48:54,918 INFO L185 omatonBuilderFactory]: Interpolants [180738#(<= ULTIMATE.start_main_~k~5 76), 180739#(<= ULTIMATE.start_main_~k~5 77), 180736#(<= ULTIMATE.start_main_~k~5 74), 180737#(<= ULTIMATE.start_main_~k~5 75), 180742#(<= ULTIMATE.start_main_~k~5 80), 180743#(<= ULTIMATE.start_main_~k~5 81), 180740#(<= ULTIMATE.start_main_~k~5 78), 180741#(<= ULTIMATE.start_main_~k~5 79), 180746#(<= ULTIMATE.start_main_~k~5 84), 180747#(<= ULTIMATE.start_main_~k~5 85), 180744#(<= ULTIMATE.start_main_~k~5 82), 180745#(<= ULTIMATE.start_main_~k~5 83), 180750#(<= ULTIMATE.start_main_~k~5 88), 180751#(<= ULTIMATE.start_main_~k~5 89), 180748#(<= ULTIMATE.start_main_~k~5 86), 180749#(<= ULTIMATE.start_main_~k~5 87), 180754#(<= ULTIMATE.start_main_~k~5 92), 180755#(<= ULTIMATE.start_main_~k~5 93), 180752#(<= ULTIMATE.start_main_~k~5 90), 180753#(<= ULTIMATE.start_main_~k~5 91), 180758#(<= ULTIMATE.start_main_~k~5 96), 180759#(<= ULTIMATE.start_main_~k~5 97), 180756#(<= ULTIMATE.start_main_~k~5 94), 180757#(<= ULTIMATE.start_main_~k~5 95), 180762#(<= ULTIMATE.start_main_~k~5 100), 180763#(<= ULTIMATE.start_main_~k~5 101), 180760#(<= ULTIMATE.start_main_~k~5 98), 180761#(<= ULTIMATE.start_main_~k~5 99), 180766#(<= ULTIMATE.start_main_~k~5 104), 180767#(<= ULTIMATE.start_main_~k~5 105), 180764#(<= ULTIMATE.start_main_~k~5 102), 180765#(<= ULTIMATE.start_main_~k~5 103), 180770#(<= ULTIMATE.start_main_~k~5 108), 180771#(<= ULTIMATE.start_main_~k~5 109), 180768#(<= ULTIMATE.start_main_~k~5 106), 180769#(<= ULTIMATE.start_main_~k~5 107), 180774#(<= ULTIMATE.start_main_~k~5 112), 180775#(<= ULTIMATE.start_main_~k~5 113), 180772#(<= ULTIMATE.start_main_~k~5 110), 180773#(<= ULTIMATE.start_main_~k~5 111), 180778#(<= ULTIMATE.start_main_~k~5 116), 180779#(<= ULTIMATE.start_main_~k~5 117), 180776#(<= ULTIMATE.start_main_~k~5 114), 180777#(<= ULTIMATE.start_main_~k~5 115), 180782#(<= ULTIMATE.start_main_~k~5 120), 180783#(<= ULTIMATE.start_main_~k~5 121), 180780#(<= ULTIMATE.start_main_~k~5 118), 180781#(<= ULTIMATE.start_main_~k~5 119), 180786#(<= ULTIMATE.start_main_~k~5 124), 180787#(<= ULTIMATE.start_main_~k~5 125), 180784#(<= ULTIMATE.start_main_~k~5 122), 180785#(<= ULTIMATE.start_main_~k~5 123), 180790#(<= ULTIMATE.start_main_~k~5 128), 180791#(<= ULTIMATE.start_main_~k~5 129), 180788#(<= ULTIMATE.start_main_~k~5 126), 180789#(<= ULTIMATE.start_main_~k~5 127), 180794#(<= ULTIMATE.start_main_~k~5 132), 180795#(<= ULTIMATE.start_main_~k~5 133), 180792#(<= ULTIMATE.start_main_~k~5 130), 180793#(<= ULTIMATE.start_main_~k~5 131), 180798#(<= ULTIMATE.start_main_~k~5 136), 180799#(<= ULTIMATE.start_main_~k~5 137), 180796#(<= ULTIMATE.start_main_~k~5 134), 180797#(<= ULTIMATE.start_main_~k~5 135), 180802#(<= ULTIMATE.start_main_~k~5 140), 180803#(<= ULTIMATE.start_main_~k~5 141), 180800#(<= ULTIMATE.start_main_~k~5 138), 180801#(<= ULTIMATE.start_main_~k~5 139), 180806#(<= ULTIMATE.start_main_~k~5 144), 180807#(<= ULTIMATE.start_main_~k~5 145), 180804#(<= ULTIMATE.start_main_~k~5 142), 180805#(<= ULTIMATE.start_main_~k~5 143), 180810#(<= ULTIMATE.start_main_~k~5 148), 180811#(<= ULTIMATE.start_main_~k~5 149), 180808#(<= ULTIMATE.start_main_~k~5 146), 180809#(<= ULTIMATE.start_main_~k~5 147), 180814#(<= ULTIMATE.start_main_~k~5 152), 180815#(<= ULTIMATE.start_main_~k~5 153), 180812#(<= ULTIMATE.start_main_~k~5 150), 180813#(<= ULTIMATE.start_main_~k~5 151), 180818#(<= ULTIMATE.start_main_~k~5 156), 180819#(<= ULTIMATE.start_main_~k~5 157), 180816#(<= ULTIMATE.start_main_~k~5 154), 180817#(<= ULTIMATE.start_main_~k~5 155), 180822#(<= ULTIMATE.start_main_~k~5 160), 180823#(<= ULTIMATE.start_main_~k~5 161), 180820#(<= ULTIMATE.start_main_~k~5 158), 180821#(<= ULTIMATE.start_main_~k~5 159), 180826#(<= ULTIMATE.start_main_~k~5 164), 180827#(<= ULTIMATE.start_main_~k~5 165), 180824#(<= ULTIMATE.start_main_~k~5 162), 180825#(<= ULTIMATE.start_main_~k~5 163), 180830#(<= ULTIMATE.start_main_~k~5 168), 180831#(<= ULTIMATE.start_main_~k~5 169), 180828#(<= ULTIMATE.start_main_~k~5 166), 180829#(<= ULTIMATE.start_main_~k~5 167), 180834#(<= ULTIMATE.start_main_~k~5 172), 180835#(<= ULTIMATE.start_main_~k~5 173), 180832#(<= ULTIMATE.start_main_~k~5 170), 180833#(<= ULTIMATE.start_main_~k~5 171), 180838#(<= ULTIMATE.start_main_~k~5 176), 180839#(<= ULTIMATE.start_main_~k~5 177), 180836#(<= ULTIMATE.start_main_~k~5 174), 180837#(<= ULTIMATE.start_main_~k~5 175), 180842#(<= ULTIMATE.start_main_~k~5 180), 180843#(<= ULTIMATE.start_main_~k~5 181), 180840#(<= ULTIMATE.start_main_~k~5 178), 180841#(<= ULTIMATE.start_main_~k~5 179), 180846#(<= ULTIMATE.start_main_~k~5 184), 180847#(<= ULTIMATE.start_main_~k~5 185), 180844#(<= ULTIMATE.start_main_~k~5 182), 180845#(<= ULTIMATE.start_main_~k~5 183), 180850#(<= ULTIMATE.start_main_~k~5 188), 180851#(<= ULTIMATE.start_main_~k~5 189), 180848#(<= ULTIMATE.start_main_~k~5 186), 180849#(<= ULTIMATE.start_main_~k~5 187), 180854#(<= ULTIMATE.start_main_~k~5 192), 180855#(<= ULTIMATE.start_main_~k~5 193), 180852#(<= ULTIMATE.start_main_~k~5 190), 180853#(<= ULTIMATE.start_main_~k~5 191), 180858#(<= ULTIMATE.start_main_~k~5 196), 180859#(<= ULTIMATE.start_main_~k~5 197), 180856#(<= ULTIMATE.start_main_~k~5 194), 180857#(<= ULTIMATE.start_main_~k~5 195), 180662#(<= ULTIMATE.start_main_~k~5 0), 180663#(<= ULTIMATE.start_main_~k~5 1), 180660#true, 180661#false, 180666#(<= ULTIMATE.start_main_~k~5 4), 180667#(<= ULTIMATE.start_main_~k~5 5), 180664#(<= ULTIMATE.start_main_~k~5 2), 180665#(<= ULTIMATE.start_main_~k~5 3), 180670#(<= ULTIMATE.start_main_~k~5 8), 180671#(<= ULTIMATE.start_main_~k~5 9), 180668#(<= ULTIMATE.start_main_~k~5 6), 180669#(<= ULTIMATE.start_main_~k~5 7), 180674#(<= ULTIMATE.start_main_~k~5 12), 180675#(<= ULTIMATE.start_main_~k~5 13), 180672#(<= ULTIMATE.start_main_~k~5 10), 180673#(<= ULTIMATE.start_main_~k~5 11), 180678#(<= ULTIMATE.start_main_~k~5 16), 180679#(<= ULTIMATE.start_main_~k~5 17), 180676#(<= ULTIMATE.start_main_~k~5 14), 180677#(<= ULTIMATE.start_main_~k~5 15), 180682#(<= ULTIMATE.start_main_~k~5 20), 180683#(<= ULTIMATE.start_main_~k~5 21), 180680#(<= ULTIMATE.start_main_~k~5 18), 180681#(<= ULTIMATE.start_main_~k~5 19), 180686#(<= ULTIMATE.start_main_~k~5 24), 180687#(<= ULTIMATE.start_main_~k~5 25), 180684#(<= ULTIMATE.start_main_~k~5 22), 180685#(<= ULTIMATE.start_main_~k~5 23), 180690#(<= ULTIMATE.start_main_~k~5 28), 180691#(<= ULTIMATE.start_main_~k~5 29), 180688#(<= ULTIMATE.start_main_~k~5 26), 180689#(<= ULTIMATE.start_main_~k~5 27), 180694#(<= ULTIMATE.start_main_~k~5 32), 180695#(<= ULTIMATE.start_main_~k~5 33), 180692#(<= ULTIMATE.start_main_~k~5 30), 180693#(<= ULTIMATE.start_main_~k~5 31), 180698#(<= ULTIMATE.start_main_~k~5 36), 180699#(<= ULTIMATE.start_main_~k~5 37), 180696#(<= ULTIMATE.start_main_~k~5 34), 180697#(<= ULTIMATE.start_main_~k~5 35), 180702#(<= ULTIMATE.start_main_~k~5 40), 180703#(<= ULTIMATE.start_main_~k~5 41), 180700#(<= ULTIMATE.start_main_~k~5 38), 180701#(<= ULTIMATE.start_main_~k~5 39), 180706#(<= ULTIMATE.start_main_~k~5 44), 180707#(<= ULTIMATE.start_main_~k~5 45), 180704#(<= ULTIMATE.start_main_~k~5 42), 180705#(<= ULTIMATE.start_main_~k~5 43), 180710#(<= ULTIMATE.start_main_~k~5 48), 180711#(<= ULTIMATE.start_main_~k~5 49), 180708#(<= ULTIMATE.start_main_~k~5 46), 180709#(<= ULTIMATE.start_main_~k~5 47), 180714#(<= ULTIMATE.start_main_~k~5 52), 180715#(<= ULTIMATE.start_main_~k~5 53), 180712#(<= ULTIMATE.start_main_~k~5 50), 180713#(<= ULTIMATE.start_main_~k~5 51), 180718#(<= ULTIMATE.start_main_~k~5 56), 180719#(<= ULTIMATE.start_main_~k~5 57), 180716#(<= ULTIMATE.start_main_~k~5 54), 180717#(<= ULTIMATE.start_main_~k~5 55), 180722#(<= ULTIMATE.start_main_~k~5 60), 180723#(<= ULTIMATE.start_main_~k~5 61), 180720#(<= ULTIMATE.start_main_~k~5 58), 180721#(<= ULTIMATE.start_main_~k~5 59), 180726#(<= ULTIMATE.start_main_~k~5 64), 180727#(<= ULTIMATE.start_main_~k~5 65), 180724#(<= ULTIMATE.start_main_~k~5 62), 180725#(<= ULTIMATE.start_main_~k~5 63), 180730#(<= ULTIMATE.start_main_~k~5 68), 180731#(<= ULTIMATE.start_main_~k~5 69), 180728#(<= ULTIMATE.start_main_~k~5 66), 180729#(<= ULTIMATE.start_main_~k~5 67), 180734#(<= ULTIMATE.start_main_~k~5 72), 180735#(<= ULTIMATE.start_main_~k~5 73), 180732#(<= ULTIMATE.start_main_~k~5 70), 180733#(<= ULTIMATE.start_main_~k~5 71)] [2018-07-23 13:48:54,920 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 13:48:54,920 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:48:54,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:48:54,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:48:54,924 INFO L87 Difference]: Start difference. First operand 399 states and 399 transitions. Second operand 200 states. [2018-07-23 13:48:55,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:55,943 INFO L93 Difference]: Finished difference Result 403 states and 403 transitions. [2018-07-23 13:48:55,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:48:55,943 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 398 [2018-07-23 13:48:55,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:55,944 INFO L225 Difference]: With dead ends: 403 [2018-07-23 13:48:55,944 INFO L226 Difference]: Without dead ends: 401 [2018-07-23 13:48:55,946 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:48:55,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-07-23 13:48:55,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-07-23 13:48:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-07-23 13:48:55,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 401 transitions. [2018-07-23 13:48:55,951 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 401 transitions. Word has length 398 [2018-07-23 13:48:55,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:55,951 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 401 transitions. [2018-07-23 13:48:55,951 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:48:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 401 transitions. [2018-07-23 13:48:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-07-23 13:48:55,953 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:55,953 INFO L357 BasicCegarLoop]: trace histogram [199, 198, 1, 1, 1] [2018-07-23 13:48:55,953 INFO L414 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:55,953 INFO L82 PathProgramCache]: Analyzing trace with hash -966919133, now seen corresponding path program 198 times [2018-07-23 13:48:55,953 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:58,362 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 13:48:58,363 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:58,363 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:48:58,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:58,363 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 13:48:58,364 INFO L185 omatonBuilderFactory]: Interpolants [182470#(<= ULTIMATE.start_main_~k~5 0), 182471#(<= ULTIMATE.start_main_~k~5 1), 182468#true, 182469#false, 182474#(<= ULTIMATE.start_main_~k~5 4), 182475#(<= ULTIMATE.start_main_~k~5 5), 182472#(<= ULTIMATE.start_main_~k~5 2), 182473#(<= ULTIMATE.start_main_~k~5 3), 182478#(<= ULTIMATE.start_main_~k~5 8), 182479#(<= ULTIMATE.start_main_~k~5 9), 182476#(<= ULTIMATE.start_main_~k~5 6), 182477#(<= ULTIMATE.start_main_~k~5 7), 182482#(<= ULTIMATE.start_main_~k~5 12), 182483#(<= ULTIMATE.start_main_~k~5 13), 182480#(<= ULTIMATE.start_main_~k~5 10), 182481#(<= ULTIMATE.start_main_~k~5 11), 182486#(<= ULTIMATE.start_main_~k~5 16), 182487#(<= ULTIMATE.start_main_~k~5 17), 182484#(<= ULTIMATE.start_main_~k~5 14), 182485#(<= ULTIMATE.start_main_~k~5 15), 182490#(<= ULTIMATE.start_main_~k~5 20), 182491#(<= ULTIMATE.start_main_~k~5 21), 182488#(<= ULTIMATE.start_main_~k~5 18), 182489#(<= ULTIMATE.start_main_~k~5 19), 182494#(<= ULTIMATE.start_main_~k~5 24), 182495#(<= ULTIMATE.start_main_~k~5 25), 182492#(<= ULTIMATE.start_main_~k~5 22), 182493#(<= ULTIMATE.start_main_~k~5 23), 182498#(<= ULTIMATE.start_main_~k~5 28), 182499#(<= ULTIMATE.start_main_~k~5 29), 182496#(<= ULTIMATE.start_main_~k~5 26), 182497#(<= ULTIMATE.start_main_~k~5 27), 182502#(<= ULTIMATE.start_main_~k~5 32), 182503#(<= ULTIMATE.start_main_~k~5 33), 182500#(<= ULTIMATE.start_main_~k~5 30), 182501#(<= ULTIMATE.start_main_~k~5 31), 182506#(<= ULTIMATE.start_main_~k~5 36), 182507#(<= ULTIMATE.start_main_~k~5 37), 182504#(<= ULTIMATE.start_main_~k~5 34), 182505#(<= ULTIMATE.start_main_~k~5 35), 182510#(<= ULTIMATE.start_main_~k~5 40), 182511#(<= ULTIMATE.start_main_~k~5 41), 182508#(<= ULTIMATE.start_main_~k~5 38), 182509#(<= ULTIMATE.start_main_~k~5 39), 182514#(<= ULTIMATE.start_main_~k~5 44), 182515#(<= ULTIMATE.start_main_~k~5 45), 182512#(<= ULTIMATE.start_main_~k~5 42), 182513#(<= ULTIMATE.start_main_~k~5 43), 182518#(<= ULTIMATE.start_main_~k~5 48), 182519#(<= ULTIMATE.start_main_~k~5 49), 182516#(<= ULTIMATE.start_main_~k~5 46), 182517#(<= ULTIMATE.start_main_~k~5 47), 182522#(<= ULTIMATE.start_main_~k~5 52), 182523#(<= ULTIMATE.start_main_~k~5 53), 182520#(<= ULTIMATE.start_main_~k~5 50), 182521#(<= ULTIMATE.start_main_~k~5 51), 182526#(<= ULTIMATE.start_main_~k~5 56), 182527#(<= ULTIMATE.start_main_~k~5 57), 182524#(<= ULTIMATE.start_main_~k~5 54), 182525#(<= ULTIMATE.start_main_~k~5 55), 182530#(<= ULTIMATE.start_main_~k~5 60), 182531#(<= ULTIMATE.start_main_~k~5 61), 182528#(<= ULTIMATE.start_main_~k~5 58), 182529#(<= ULTIMATE.start_main_~k~5 59), 182534#(<= ULTIMATE.start_main_~k~5 64), 182535#(<= ULTIMATE.start_main_~k~5 65), 182532#(<= ULTIMATE.start_main_~k~5 62), 182533#(<= ULTIMATE.start_main_~k~5 63), 182538#(<= ULTIMATE.start_main_~k~5 68), 182539#(<= ULTIMATE.start_main_~k~5 69), 182536#(<= ULTIMATE.start_main_~k~5 66), 182537#(<= ULTIMATE.start_main_~k~5 67), 182542#(<= ULTIMATE.start_main_~k~5 72), 182543#(<= ULTIMATE.start_main_~k~5 73), 182540#(<= ULTIMATE.start_main_~k~5 70), 182541#(<= ULTIMATE.start_main_~k~5 71), 182546#(<= ULTIMATE.start_main_~k~5 76), 182547#(<= ULTIMATE.start_main_~k~5 77), 182544#(<= ULTIMATE.start_main_~k~5 74), 182545#(<= ULTIMATE.start_main_~k~5 75), 182550#(<= ULTIMATE.start_main_~k~5 80), 182551#(<= ULTIMATE.start_main_~k~5 81), 182548#(<= ULTIMATE.start_main_~k~5 78), 182549#(<= ULTIMATE.start_main_~k~5 79), 182554#(<= ULTIMATE.start_main_~k~5 84), 182555#(<= ULTIMATE.start_main_~k~5 85), 182552#(<= ULTIMATE.start_main_~k~5 82), 182553#(<= ULTIMATE.start_main_~k~5 83), 182558#(<= ULTIMATE.start_main_~k~5 88), 182559#(<= ULTIMATE.start_main_~k~5 89), 182556#(<= ULTIMATE.start_main_~k~5 86), 182557#(<= ULTIMATE.start_main_~k~5 87), 182562#(<= ULTIMATE.start_main_~k~5 92), 182563#(<= ULTIMATE.start_main_~k~5 93), 182560#(<= ULTIMATE.start_main_~k~5 90), 182561#(<= ULTIMATE.start_main_~k~5 91), 182566#(<= ULTIMATE.start_main_~k~5 96), 182567#(<= ULTIMATE.start_main_~k~5 97), 182564#(<= ULTIMATE.start_main_~k~5 94), 182565#(<= ULTIMATE.start_main_~k~5 95), 182570#(<= ULTIMATE.start_main_~k~5 100), 182571#(<= ULTIMATE.start_main_~k~5 101), 182568#(<= ULTIMATE.start_main_~k~5 98), 182569#(<= ULTIMATE.start_main_~k~5 99), 182574#(<= ULTIMATE.start_main_~k~5 104), 182575#(<= ULTIMATE.start_main_~k~5 105), 182572#(<= ULTIMATE.start_main_~k~5 102), 182573#(<= ULTIMATE.start_main_~k~5 103), 182578#(<= ULTIMATE.start_main_~k~5 108), 182579#(<= ULTIMATE.start_main_~k~5 109), 182576#(<= ULTIMATE.start_main_~k~5 106), 182577#(<= ULTIMATE.start_main_~k~5 107), 182582#(<= ULTIMATE.start_main_~k~5 112), 182583#(<= ULTIMATE.start_main_~k~5 113), 182580#(<= ULTIMATE.start_main_~k~5 110), 182581#(<= ULTIMATE.start_main_~k~5 111), 182586#(<= ULTIMATE.start_main_~k~5 116), 182587#(<= ULTIMATE.start_main_~k~5 117), 182584#(<= ULTIMATE.start_main_~k~5 114), 182585#(<= ULTIMATE.start_main_~k~5 115), 182590#(<= ULTIMATE.start_main_~k~5 120), 182591#(<= ULTIMATE.start_main_~k~5 121), 182588#(<= ULTIMATE.start_main_~k~5 118), 182589#(<= ULTIMATE.start_main_~k~5 119), 182594#(<= ULTIMATE.start_main_~k~5 124), 182595#(<= ULTIMATE.start_main_~k~5 125), 182592#(<= ULTIMATE.start_main_~k~5 122), 182593#(<= ULTIMATE.start_main_~k~5 123), 182598#(<= ULTIMATE.start_main_~k~5 128), 182599#(<= ULTIMATE.start_main_~k~5 129), 182596#(<= ULTIMATE.start_main_~k~5 126), 182597#(<= ULTIMATE.start_main_~k~5 127), 182602#(<= ULTIMATE.start_main_~k~5 132), 182603#(<= ULTIMATE.start_main_~k~5 133), 182600#(<= ULTIMATE.start_main_~k~5 130), 182601#(<= ULTIMATE.start_main_~k~5 131), 182606#(<= ULTIMATE.start_main_~k~5 136), 182607#(<= ULTIMATE.start_main_~k~5 137), 182604#(<= ULTIMATE.start_main_~k~5 134), 182605#(<= ULTIMATE.start_main_~k~5 135), 182610#(<= ULTIMATE.start_main_~k~5 140), 182611#(<= ULTIMATE.start_main_~k~5 141), 182608#(<= ULTIMATE.start_main_~k~5 138), 182609#(<= ULTIMATE.start_main_~k~5 139), 182614#(<= ULTIMATE.start_main_~k~5 144), 182615#(<= ULTIMATE.start_main_~k~5 145), 182612#(<= ULTIMATE.start_main_~k~5 142), 182613#(<= ULTIMATE.start_main_~k~5 143), 182618#(<= ULTIMATE.start_main_~k~5 148), 182619#(<= ULTIMATE.start_main_~k~5 149), 182616#(<= ULTIMATE.start_main_~k~5 146), 182617#(<= ULTIMATE.start_main_~k~5 147), 182622#(<= ULTIMATE.start_main_~k~5 152), 182623#(<= ULTIMATE.start_main_~k~5 153), 182620#(<= ULTIMATE.start_main_~k~5 150), 182621#(<= ULTIMATE.start_main_~k~5 151), 182626#(<= ULTIMATE.start_main_~k~5 156), 182627#(<= ULTIMATE.start_main_~k~5 157), 182624#(<= ULTIMATE.start_main_~k~5 154), 182625#(<= ULTIMATE.start_main_~k~5 155), 182630#(<= ULTIMATE.start_main_~k~5 160), 182631#(<= ULTIMATE.start_main_~k~5 161), 182628#(<= ULTIMATE.start_main_~k~5 158), 182629#(<= ULTIMATE.start_main_~k~5 159), 182634#(<= ULTIMATE.start_main_~k~5 164), 182635#(<= ULTIMATE.start_main_~k~5 165), 182632#(<= ULTIMATE.start_main_~k~5 162), 182633#(<= ULTIMATE.start_main_~k~5 163), 182638#(<= ULTIMATE.start_main_~k~5 168), 182639#(<= ULTIMATE.start_main_~k~5 169), 182636#(<= ULTIMATE.start_main_~k~5 166), 182637#(<= ULTIMATE.start_main_~k~5 167), 182642#(<= ULTIMATE.start_main_~k~5 172), 182643#(<= ULTIMATE.start_main_~k~5 173), 182640#(<= ULTIMATE.start_main_~k~5 170), 182641#(<= ULTIMATE.start_main_~k~5 171), 182646#(<= ULTIMATE.start_main_~k~5 176), 182647#(<= ULTIMATE.start_main_~k~5 177), 182644#(<= ULTIMATE.start_main_~k~5 174), 182645#(<= ULTIMATE.start_main_~k~5 175), 182650#(<= ULTIMATE.start_main_~k~5 180), 182651#(<= ULTIMATE.start_main_~k~5 181), 182648#(<= ULTIMATE.start_main_~k~5 178), 182649#(<= ULTIMATE.start_main_~k~5 179), 182654#(<= ULTIMATE.start_main_~k~5 184), 182655#(<= ULTIMATE.start_main_~k~5 185), 182652#(<= ULTIMATE.start_main_~k~5 182), 182653#(<= ULTIMATE.start_main_~k~5 183), 182658#(<= ULTIMATE.start_main_~k~5 188), 182659#(<= ULTIMATE.start_main_~k~5 189), 182656#(<= ULTIMATE.start_main_~k~5 186), 182657#(<= ULTIMATE.start_main_~k~5 187), 182662#(<= ULTIMATE.start_main_~k~5 192), 182663#(<= ULTIMATE.start_main_~k~5 193), 182660#(<= ULTIMATE.start_main_~k~5 190), 182661#(<= ULTIMATE.start_main_~k~5 191), 182666#(<= ULTIMATE.start_main_~k~5 196), 182667#(<= ULTIMATE.start_main_~k~5 197), 182664#(<= ULTIMATE.start_main_~k~5 194), 182665#(<= ULTIMATE.start_main_~k~5 195), 182668#(<= ULTIMATE.start_main_~k~5 198)] [2018-07-23 13:48:58,365 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 13:48:58,366 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:48:58,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:48:58,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:48:58,372 INFO L87 Difference]: Start difference. First operand 401 states and 401 transitions. Second operand 201 states. [2018-07-23 13:48:59,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:59,921 INFO L93 Difference]: Finished difference Result 405 states and 405 transitions. [2018-07-23 13:48:59,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:48:59,921 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 400 [2018-07-23 13:48:59,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:59,922 INFO L225 Difference]: With dead ends: 405 [2018-07-23 13:48:59,922 INFO L226 Difference]: Without dead ends: 403 [2018-07-23 13:48:59,926 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:48:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-07-23 13:48:59,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2018-07-23 13:48:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-07-23 13:48:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 403 transitions. [2018-07-23 13:48:59,931 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 403 transitions. Word has length 400 [2018-07-23 13:48:59,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:59,931 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 403 transitions. [2018-07-23 13:48:59,931 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:48:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 403 transitions. [2018-07-23 13:48:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-07-23 13:48:59,932 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:59,932 INFO L357 BasicCegarLoop]: trace histogram [200, 199, 1, 1, 1] [2018-07-23 13:48:59,933 INFO L414 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:59,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1496298787, now seen corresponding path program 199 times [2018-07-23 13:48:59,933 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:02,323 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 13:49:02,324 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:02,324 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:49:02,324 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:02,325 INFO L185 omatonBuilderFactory]: Interpolants [184322#(<= ULTIMATE.start_main_~k~5 35), 184323#(<= ULTIMATE.start_main_~k~5 36), 184320#(<= ULTIMATE.start_main_~k~5 33), 184321#(<= ULTIMATE.start_main_~k~5 34), 184326#(<= ULTIMATE.start_main_~k~5 39), 184327#(<= ULTIMATE.start_main_~k~5 40), 184324#(<= ULTIMATE.start_main_~k~5 37), 184325#(<= ULTIMATE.start_main_~k~5 38), 184330#(<= ULTIMATE.start_main_~k~5 43), 184331#(<= ULTIMATE.start_main_~k~5 44), 184328#(<= ULTIMATE.start_main_~k~5 41), 184329#(<= ULTIMATE.start_main_~k~5 42), 184334#(<= ULTIMATE.start_main_~k~5 47), 184335#(<= ULTIMATE.start_main_~k~5 48), 184332#(<= ULTIMATE.start_main_~k~5 45), 184333#(<= ULTIMATE.start_main_~k~5 46), 184338#(<= ULTIMATE.start_main_~k~5 51), 184339#(<= ULTIMATE.start_main_~k~5 52), 184336#(<= ULTIMATE.start_main_~k~5 49), 184337#(<= ULTIMATE.start_main_~k~5 50), 184342#(<= ULTIMATE.start_main_~k~5 55), 184343#(<= ULTIMATE.start_main_~k~5 56), 184340#(<= ULTIMATE.start_main_~k~5 53), 184341#(<= ULTIMATE.start_main_~k~5 54), 184346#(<= ULTIMATE.start_main_~k~5 59), 184347#(<= ULTIMATE.start_main_~k~5 60), 184344#(<= ULTIMATE.start_main_~k~5 57), 184345#(<= ULTIMATE.start_main_~k~5 58), 184350#(<= ULTIMATE.start_main_~k~5 63), 184351#(<= ULTIMATE.start_main_~k~5 64), 184348#(<= ULTIMATE.start_main_~k~5 61), 184349#(<= ULTIMATE.start_main_~k~5 62), 184354#(<= ULTIMATE.start_main_~k~5 67), 184355#(<= ULTIMATE.start_main_~k~5 68), 184352#(<= ULTIMATE.start_main_~k~5 65), 184353#(<= ULTIMATE.start_main_~k~5 66), 184358#(<= ULTIMATE.start_main_~k~5 71), 184359#(<= ULTIMATE.start_main_~k~5 72), 184356#(<= ULTIMATE.start_main_~k~5 69), 184357#(<= ULTIMATE.start_main_~k~5 70), 184362#(<= ULTIMATE.start_main_~k~5 75), 184363#(<= ULTIMATE.start_main_~k~5 76), 184360#(<= ULTIMATE.start_main_~k~5 73), 184361#(<= ULTIMATE.start_main_~k~5 74), 184366#(<= ULTIMATE.start_main_~k~5 79), 184367#(<= ULTIMATE.start_main_~k~5 80), 184364#(<= ULTIMATE.start_main_~k~5 77), 184365#(<= ULTIMATE.start_main_~k~5 78), 184370#(<= ULTIMATE.start_main_~k~5 83), 184371#(<= ULTIMATE.start_main_~k~5 84), 184368#(<= ULTIMATE.start_main_~k~5 81), 184369#(<= ULTIMATE.start_main_~k~5 82), 184374#(<= ULTIMATE.start_main_~k~5 87), 184375#(<= ULTIMATE.start_main_~k~5 88), 184372#(<= ULTIMATE.start_main_~k~5 85), 184373#(<= ULTIMATE.start_main_~k~5 86), 184378#(<= ULTIMATE.start_main_~k~5 91), 184379#(<= ULTIMATE.start_main_~k~5 92), 184376#(<= ULTIMATE.start_main_~k~5 89), 184377#(<= ULTIMATE.start_main_~k~5 90), 184382#(<= ULTIMATE.start_main_~k~5 95), 184383#(<= ULTIMATE.start_main_~k~5 96), 184380#(<= ULTIMATE.start_main_~k~5 93), 184381#(<= ULTIMATE.start_main_~k~5 94), 184386#(<= ULTIMATE.start_main_~k~5 99), 184387#(<= ULTIMATE.start_main_~k~5 100), 184384#(<= ULTIMATE.start_main_~k~5 97), 184385#(<= ULTIMATE.start_main_~k~5 98), 184390#(<= ULTIMATE.start_main_~k~5 103), 184391#(<= ULTIMATE.start_main_~k~5 104), 184388#(<= ULTIMATE.start_main_~k~5 101), 184389#(<= ULTIMATE.start_main_~k~5 102), 184394#(<= ULTIMATE.start_main_~k~5 107), 184395#(<= ULTIMATE.start_main_~k~5 108), 184392#(<= ULTIMATE.start_main_~k~5 105), 184393#(<= ULTIMATE.start_main_~k~5 106), 184398#(<= ULTIMATE.start_main_~k~5 111), 184399#(<= ULTIMATE.start_main_~k~5 112), 184396#(<= ULTIMATE.start_main_~k~5 109), 184397#(<= ULTIMATE.start_main_~k~5 110), 184402#(<= ULTIMATE.start_main_~k~5 115), 184403#(<= ULTIMATE.start_main_~k~5 116), 184400#(<= ULTIMATE.start_main_~k~5 113), 184401#(<= ULTIMATE.start_main_~k~5 114), 184406#(<= ULTIMATE.start_main_~k~5 119), 184407#(<= ULTIMATE.start_main_~k~5 120), 184404#(<= ULTIMATE.start_main_~k~5 117), 184405#(<= ULTIMATE.start_main_~k~5 118), 184410#(<= ULTIMATE.start_main_~k~5 123), 184411#(<= ULTIMATE.start_main_~k~5 124), 184408#(<= ULTIMATE.start_main_~k~5 121), 184409#(<= ULTIMATE.start_main_~k~5 122), 184414#(<= ULTIMATE.start_main_~k~5 127), 184415#(<= ULTIMATE.start_main_~k~5 128), 184412#(<= ULTIMATE.start_main_~k~5 125), 184413#(<= ULTIMATE.start_main_~k~5 126), 184418#(<= ULTIMATE.start_main_~k~5 131), 184419#(<= ULTIMATE.start_main_~k~5 132), 184416#(<= ULTIMATE.start_main_~k~5 129), 184417#(<= ULTIMATE.start_main_~k~5 130), 184422#(<= ULTIMATE.start_main_~k~5 135), 184423#(<= ULTIMATE.start_main_~k~5 136), 184420#(<= ULTIMATE.start_main_~k~5 133), 184421#(<= ULTIMATE.start_main_~k~5 134), 184426#(<= ULTIMATE.start_main_~k~5 139), 184427#(<= ULTIMATE.start_main_~k~5 140), 184424#(<= ULTIMATE.start_main_~k~5 137), 184425#(<= ULTIMATE.start_main_~k~5 138), 184430#(<= ULTIMATE.start_main_~k~5 143), 184431#(<= ULTIMATE.start_main_~k~5 144), 184428#(<= ULTIMATE.start_main_~k~5 141), 184429#(<= ULTIMATE.start_main_~k~5 142), 184434#(<= ULTIMATE.start_main_~k~5 147), 184435#(<= ULTIMATE.start_main_~k~5 148), 184432#(<= ULTIMATE.start_main_~k~5 145), 184433#(<= ULTIMATE.start_main_~k~5 146), 184438#(<= ULTIMATE.start_main_~k~5 151), 184439#(<= ULTIMATE.start_main_~k~5 152), 184436#(<= ULTIMATE.start_main_~k~5 149), 184437#(<= ULTIMATE.start_main_~k~5 150), 184442#(<= ULTIMATE.start_main_~k~5 155), 184443#(<= ULTIMATE.start_main_~k~5 156), 184440#(<= ULTIMATE.start_main_~k~5 153), 184441#(<= ULTIMATE.start_main_~k~5 154), 184446#(<= ULTIMATE.start_main_~k~5 159), 184447#(<= ULTIMATE.start_main_~k~5 160), 184444#(<= ULTIMATE.start_main_~k~5 157), 184445#(<= ULTIMATE.start_main_~k~5 158), 184450#(<= ULTIMATE.start_main_~k~5 163), 184451#(<= ULTIMATE.start_main_~k~5 164), 184448#(<= ULTIMATE.start_main_~k~5 161), 184449#(<= ULTIMATE.start_main_~k~5 162), 184454#(<= ULTIMATE.start_main_~k~5 167), 184455#(<= ULTIMATE.start_main_~k~5 168), 184452#(<= ULTIMATE.start_main_~k~5 165), 184453#(<= ULTIMATE.start_main_~k~5 166), 184458#(<= ULTIMATE.start_main_~k~5 171), 184459#(<= ULTIMATE.start_main_~k~5 172), 184456#(<= ULTIMATE.start_main_~k~5 169), 184457#(<= ULTIMATE.start_main_~k~5 170), 184462#(<= ULTIMATE.start_main_~k~5 175), 184463#(<= ULTIMATE.start_main_~k~5 176), 184460#(<= ULTIMATE.start_main_~k~5 173), 184461#(<= ULTIMATE.start_main_~k~5 174), 184466#(<= ULTIMATE.start_main_~k~5 179), 184467#(<= ULTIMATE.start_main_~k~5 180), 184464#(<= ULTIMATE.start_main_~k~5 177), 184465#(<= ULTIMATE.start_main_~k~5 178), 184470#(<= ULTIMATE.start_main_~k~5 183), 184471#(<= ULTIMATE.start_main_~k~5 184), 184468#(<= ULTIMATE.start_main_~k~5 181), 184469#(<= ULTIMATE.start_main_~k~5 182), 184474#(<= ULTIMATE.start_main_~k~5 187), 184475#(<= ULTIMATE.start_main_~k~5 188), 184472#(<= ULTIMATE.start_main_~k~5 185), 184473#(<= ULTIMATE.start_main_~k~5 186), 184478#(<= ULTIMATE.start_main_~k~5 191), 184479#(<= ULTIMATE.start_main_~k~5 192), 184476#(<= ULTIMATE.start_main_~k~5 189), 184477#(<= ULTIMATE.start_main_~k~5 190), 184482#(<= ULTIMATE.start_main_~k~5 195), 184483#(<= ULTIMATE.start_main_~k~5 196), 184480#(<= ULTIMATE.start_main_~k~5 193), 184481#(<= ULTIMATE.start_main_~k~5 194), 184486#(<= ULTIMATE.start_main_~k~5 199), 184484#(<= ULTIMATE.start_main_~k~5 197), 184485#(<= ULTIMATE.start_main_~k~5 198), 184286#false, 184287#(<= ULTIMATE.start_main_~k~5 0), 184285#true, 184290#(<= ULTIMATE.start_main_~k~5 3), 184291#(<= ULTIMATE.start_main_~k~5 4), 184288#(<= ULTIMATE.start_main_~k~5 1), 184289#(<= ULTIMATE.start_main_~k~5 2), 184294#(<= ULTIMATE.start_main_~k~5 7), 184295#(<= ULTIMATE.start_main_~k~5 8), 184292#(<= ULTIMATE.start_main_~k~5 5), 184293#(<= ULTIMATE.start_main_~k~5 6), 184298#(<= ULTIMATE.start_main_~k~5 11), 184299#(<= ULTIMATE.start_main_~k~5 12), 184296#(<= ULTIMATE.start_main_~k~5 9), 184297#(<= ULTIMATE.start_main_~k~5 10), 184302#(<= ULTIMATE.start_main_~k~5 15), 184303#(<= ULTIMATE.start_main_~k~5 16), 184300#(<= ULTIMATE.start_main_~k~5 13), 184301#(<= ULTIMATE.start_main_~k~5 14), 184306#(<= ULTIMATE.start_main_~k~5 19), 184307#(<= ULTIMATE.start_main_~k~5 20), 184304#(<= ULTIMATE.start_main_~k~5 17), 184305#(<= ULTIMATE.start_main_~k~5 18), 184310#(<= ULTIMATE.start_main_~k~5 23), 184311#(<= ULTIMATE.start_main_~k~5 24), 184308#(<= ULTIMATE.start_main_~k~5 21), 184309#(<= ULTIMATE.start_main_~k~5 22), 184314#(<= ULTIMATE.start_main_~k~5 27), 184315#(<= ULTIMATE.start_main_~k~5 28), 184312#(<= ULTIMATE.start_main_~k~5 25), 184313#(<= ULTIMATE.start_main_~k~5 26), 184318#(<= ULTIMATE.start_main_~k~5 31), 184319#(<= ULTIMATE.start_main_~k~5 32), 184316#(<= ULTIMATE.start_main_~k~5 29), 184317#(<= ULTIMATE.start_main_~k~5 30)] [2018-07-23 13:49:02,327 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 13:49:02,327 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:49:02,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:49:02,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:49:02,336 INFO L87 Difference]: Start difference. First operand 403 states and 403 transitions. Second operand 202 states. [2018-07-23 13:49:04,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:04,416 INFO L93 Difference]: Finished difference Result 407 states and 407 transitions. [2018-07-23 13:49:04,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:49:04,417 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 402 [2018-07-23 13:49:04,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:04,417 INFO L225 Difference]: With dead ends: 407 [2018-07-23 13:49:04,417 INFO L226 Difference]: Without dead ends: 405 [2018-07-23 13:49:04,420 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:49:04,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-07-23 13:49:04,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2018-07-23 13:49:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-07-23 13:49:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 405 transitions. [2018-07-23 13:49:04,425 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 405 transitions. Word has length 402 [2018-07-23 13:49:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:04,425 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 405 transitions. [2018-07-23 13:49:04,425 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:49:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 405 transitions. [2018-07-23 13:49:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-07-23 13:49:04,426 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:04,426 INFO L357 BasicCegarLoop]: trace histogram [201, 200, 1, 1, 1] [2018-07-23 13:49:04,427 INFO L414 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:04,427 INFO L82 PathProgramCache]: Analyzing trace with hash 870961943, now seen corresponding path program 200 times [2018-07-23 13:49:04,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:06,839 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 13:49:06,840 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:06,840 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:49:06,840 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:06,841 INFO L185 omatonBuilderFactory]: Interpolants [186111#true, 186114#(<= ULTIMATE.start_main_~k~5 1), 186115#(<= ULTIMATE.start_main_~k~5 2), 186112#false, 186113#(<= ULTIMATE.start_main_~k~5 0), 186118#(<= ULTIMATE.start_main_~k~5 5), 186119#(<= ULTIMATE.start_main_~k~5 6), 186116#(<= ULTIMATE.start_main_~k~5 3), 186117#(<= ULTIMATE.start_main_~k~5 4), 186122#(<= ULTIMATE.start_main_~k~5 9), 186123#(<= ULTIMATE.start_main_~k~5 10), 186120#(<= ULTIMATE.start_main_~k~5 7), 186121#(<= ULTIMATE.start_main_~k~5 8), 186126#(<= ULTIMATE.start_main_~k~5 13), 186127#(<= ULTIMATE.start_main_~k~5 14), 186124#(<= ULTIMATE.start_main_~k~5 11), 186125#(<= ULTIMATE.start_main_~k~5 12), 186130#(<= ULTIMATE.start_main_~k~5 17), 186131#(<= ULTIMATE.start_main_~k~5 18), 186128#(<= ULTIMATE.start_main_~k~5 15), 186129#(<= ULTIMATE.start_main_~k~5 16), 186134#(<= ULTIMATE.start_main_~k~5 21), 186135#(<= ULTIMATE.start_main_~k~5 22), 186132#(<= ULTIMATE.start_main_~k~5 19), 186133#(<= ULTIMATE.start_main_~k~5 20), 186138#(<= ULTIMATE.start_main_~k~5 25), 186139#(<= ULTIMATE.start_main_~k~5 26), 186136#(<= ULTIMATE.start_main_~k~5 23), 186137#(<= ULTIMATE.start_main_~k~5 24), 186142#(<= ULTIMATE.start_main_~k~5 29), 186143#(<= ULTIMATE.start_main_~k~5 30), 186140#(<= ULTIMATE.start_main_~k~5 27), 186141#(<= ULTIMATE.start_main_~k~5 28), 186146#(<= ULTIMATE.start_main_~k~5 33), 186147#(<= ULTIMATE.start_main_~k~5 34), 186144#(<= ULTIMATE.start_main_~k~5 31), 186145#(<= ULTIMATE.start_main_~k~5 32), 186150#(<= ULTIMATE.start_main_~k~5 37), 186151#(<= ULTIMATE.start_main_~k~5 38), 186148#(<= ULTIMATE.start_main_~k~5 35), 186149#(<= ULTIMATE.start_main_~k~5 36), 186154#(<= ULTIMATE.start_main_~k~5 41), 186155#(<= ULTIMATE.start_main_~k~5 42), 186152#(<= ULTIMATE.start_main_~k~5 39), 186153#(<= ULTIMATE.start_main_~k~5 40), 186158#(<= ULTIMATE.start_main_~k~5 45), 186159#(<= ULTIMATE.start_main_~k~5 46), 186156#(<= ULTIMATE.start_main_~k~5 43), 186157#(<= ULTIMATE.start_main_~k~5 44), 186162#(<= ULTIMATE.start_main_~k~5 49), 186163#(<= ULTIMATE.start_main_~k~5 50), 186160#(<= ULTIMATE.start_main_~k~5 47), 186161#(<= ULTIMATE.start_main_~k~5 48), 186166#(<= ULTIMATE.start_main_~k~5 53), 186167#(<= ULTIMATE.start_main_~k~5 54), 186164#(<= ULTIMATE.start_main_~k~5 51), 186165#(<= ULTIMATE.start_main_~k~5 52), 186170#(<= ULTIMATE.start_main_~k~5 57), 186171#(<= ULTIMATE.start_main_~k~5 58), 186168#(<= ULTIMATE.start_main_~k~5 55), 186169#(<= ULTIMATE.start_main_~k~5 56), 186174#(<= ULTIMATE.start_main_~k~5 61), 186175#(<= ULTIMATE.start_main_~k~5 62), 186172#(<= ULTIMATE.start_main_~k~5 59), 186173#(<= ULTIMATE.start_main_~k~5 60), 186178#(<= ULTIMATE.start_main_~k~5 65), 186179#(<= ULTIMATE.start_main_~k~5 66), 186176#(<= ULTIMATE.start_main_~k~5 63), 186177#(<= ULTIMATE.start_main_~k~5 64), 186182#(<= ULTIMATE.start_main_~k~5 69), 186183#(<= ULTIMATE.start_main_~k~5 70), 186180#(<= ULTIMATE.start_main_~k~5 67), 186181#(<= ULTIMATE.start_main_~k~5 68), 186186#(<= ULTIMATE.start_main_~k~5 73), 186187#(<= ULTIMATE.start_main_~k~5 74), 186184#(<= ULTIMATE.start_main_~k~5 71), 186185#(<= ULTIMATE.start_main_~k~5 72), 186190#(<= ULTIMATE.start_main_~k~5 77), 186191#(<= ULTIMATE.start_main_~k~5 78), 186188#(<= ULTIMATE.start_main_~k~5 75), 186189#(<= ULTIMATE.start_main_~k~5 76), 186194#(<= ULTIMATE.start_main_~k~5 81), 186195#(<= ULTIMATE.start_main_~k~5 82), 186192#(<= ULTIMATE.start_main_~k~5 79), 186193#(<= ULTIMATE.start_main_~k~5 80), 186198#(<= ULTIMATE.start_main_~k~5 85), 186199#(<= ULTIMATE.start_main_~k~5 86), 186196#(<= ULTIMATE.start_main_~k~5 83), 186197#(<= ULTIMATE.start_main_~k~5 84), 186202#(<= ULTIMATE.start_main_~k~5 89), 186203#(<= ULTIMATE.start_main_~k~5 90), 186200#(<= ULTIMATE.start_main_~k~5 87), 186201#(<= ULTIMATE.start_main_~k~5 88), 186206#(<= ULTIMATE.start_main_~k~5 93), 186207#(<= ULTIMATE.start_main_~k~5 94), 186204#(<= ULTIMATE.start_main_~k~5 91), 186205#(<= ULTIMATE.start_main_~k~5 92), 186210#(<= ULTIMATE.start_main_~k~5 97), 186211#(<= ULTIMATE.start_main_~k~5 98), 186208#(<= ULTIMATE.start_main_~k~5 95), 186209#(<= ULTIMATE.start_main_~k~5 96), 186214#(<= ULTIMATE.start_main_~k~5 101), 186215#(<= ULTIMATE.start_main_~k~5 102), 186212#(<= ULTIMATE.start_main_~k~5 99), 186213#(<= ULTIMATE.start_main_~k~5 100), 186218#(<= ULTIMATE.start_main_~k~5 105), 186219#(<= ULTIMATE.start_main_~k~5 106), 186216#(<= ULTIMATE.start_main_~k~5 103), 186217#(<= ULTIMATE.start_main_~k~5 104), 186222#(<= ULTIMATE.start_main_~k~5 109), 186223#(<= ULTIMATE.start_main_~k~5 110), 186220#(<= ULTIMATE.start_main_~k~5 107), 186221#(<= ULTIMATE.start_main_~k~5 108), 186226#(<= ULTIMATE.start_main_~k~5 113), 186227#(<= ULTIMATE.start_main_~k~5 114), 186224#(<= ULTIMATE.start_main_~k~5 111), 186225#(<= ULTIMATE.start_main_~k~5 112), 186230#(<= ULTIMATE.start_main_~k~5 117), 186231#(<= ULTIMATE.start_main_~k~5 118), 186228#(<= ULTIMATE.start_main_~k~5 115), 186229#(<= ULTIMATE.start_main_~k~5 116), 186234#(<= ULTIMATE.start_main_~k~5 121), 186235#(<= ULTIMATE.start_main_~k~5 122), 186232#(<= ULTIMATE.start_main_~k~5 119), 186233#(<= ULTIMATE.start_main_~k~5 120), 186238#(<= ULTIMATE.start_main_~k~5 125), 186239#(<= ULTIMATE.start_main_~k~5 126), 186236#(<= ULTIMATE.start_main_~k~5 123), 186237#(<= ULTIMATE.start_main_~k~5 124), 186242#(<= ULTIMATE.start_main_~k~5 129), 186243#(<= ULTIMATE.start_main_~k~5 130), 186240#(<= ULTIMATE.start_main_~k~5 127), 186241#(<= ULTIMATE.start_main_~k~5 128), 186246#(<= ULTIMATE.start_main_~k~5 133), 186247#(<= ULTIMATE.start_main_~k~5 134), 186244#(<= ULTIMATE.start_main_~k~5 131), 186245#(<= ULTIMATE.start_main_~k~5 132), 186250#(<= ULTIMATE.start_main_~k~5 137), 186251#(<= ULTIMATE.start_main_~k~5 138), 186248#(<= ULTIMATE.start_main_~k~5 135), 186249#(<= ULTIMATE.start_main_~k~5 136), 186254#(<= ULTIMATE.start_main_~k~5 141), 186255#(<= ULTIMATE.start_main_~k~5 142), 186252#(<= ULTIMATE.start_main_~k~5 139), 186253#(<= ULTIMATE.start_main_~k~5 140), 186258#(<= ULTIMATE.start_main_~k~5 145), 186259#(<= ULTIMATE.start_main_~k~5 146), 186256#(<= ULTIMATE.start_main_~k~5 143), 186257#(<= ULTIMATE.start_main_~k~5 144), 186262#(<= ULTIMATE.start_main_~k~5 149), 186263#(<= ULTIMATE.start_main_~k~5 150), 186260#(<= ULTIMATE.start_main_~k~5 147), 186261#(<= ULTIMATE.start_main_~k~5 148), 186266#(<= ULTIMATE.start_main_~k~5 153), 186267#(<= ULTIMATE.start_main_~k~5 154), 186264#(<= ULTIMATE.start_main_~k~5 151), 186265#(<= ULTIMATE.start_main_~k~5 152), 186270#(<= ULTIMATE.start_main_~k~5 157), 186271#(<= ULTIMATE.start_main_~k~5 158), 186268#(<= ULTIMATE.start_main_~k~5 155), 186269#(<= ULTIMATE.start_main_~k~5 156), 186274#(<= ULTIMATE.start_main_~k~5 161), 186275#(<= ULTIMATE.start_main_~k~5 162), 186272#(<= ULTIMATE.start_main_~k~5 159), 186273#(<= ULTIMATE.start_main_~k~5 160), 186278#(<= ULTIMATE.start_main_~k~5 165), 186279#(<= ULTIMATE.start_main_~k~5 166), 186276#(<= ULTIMATE.start_main_~k~5 163), 186277#(<= ULTIMATE.start_main_~k~5 164), 186282#(<= ULTIMATE.start_main_~k~5 169), 186283#(<= ULTIMATE.start_main_~k~5 170), 186280#(<= ULTIMATE.start_main_~k~5 167), 186281#(<= ULTIMATE.start_main_~k~5 168), 186286#(<= ULTIMATE.start_main_~k~5 173), 186287#(<= ULTIMATE.start_main_~k~5 174), 186284#(<= ULTIMATE.start_main_~k~5 171), 186285#(<= ULTIMATE.start_main_~k~5 172), 186290#(<= ULTIMATE.start_main_~k~5 177), 186291#(<= ULTIMATE.start_main_~k~5 178), 186288#(<= ULTIMATE.start_main_~k~5 175), 186289#(<= ULTIMATE.start_main_~k~5 176), 186294#(<= ULTIMATE.start_main_~k~5 181), 186295#(<= ULTIMATE.start_main_~k~5 182), 186292#(<= ULTIMATE.start_main_~k~5 179), 186293#(<= ULTIMATE.start_main_~k~5 180), 186298#(<= ULTIMATE.start_main_~k~5 185), 186299#(<= ULTIMATE.start_main_~k~5 186), 186296#(<= ULTIMATE.start_main_~k~5 183), 186297#(<= ULTIMATE.start_main_~k~5 184), 186302#(<= ULTIMATE.start_main_~k~5 189), 186303#(<= ULTIMATE.start_main_~k~5 190), 186300#(<= ULTIMATE.start_main_~k~5 187), 186301#(<= ULTIMATE.start_main_~k~5 188), 186306#(<= ULTIMATE.start_main_~k~5 193), 186307#(<= ULTIMATE.start_main_~k~5 194), 186304#(<= ULTIMATE.start_main_~k~5 191), 186305#(<= ULTIMATE.start_main_~k~5 192), 186310#(<= ULTIMATE.start_main_~k~5 197), 186311#(<= ULTIMATE.start_main_~k~5 198), 186308#(<= ULTIMATE.start_main_~k~5 195), 186309#(<= ULTIMATE.start_main_~k~5 196), 186312#(<= ULTIMATE.start_main_~k~5 199), 186313#(<= ULTIMATE.start_main_~k~5 200)] [2018-07-23 13:49:06,843 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 13:49:06,844 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:49:06,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:49:06,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:49:06,853 INFO L87 Difference]: Start difference. First operand 405 states and 405 transitions. Second operand 203 states. [2018-07-23 13:49:09,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:09,731 INFO L93 Difference]: Finished difference Result 409 states and 409 transitions. [2018-07-23 13:49:09,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:49:09,731 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 404 [2018-07-23 13:49:09,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:09,732 INFO L225 Difference]: With dead ends: 409 [2018-07-23 13:49:09,732 INFO L226 Difference]: Without dead ends: 407 [2018-07-23 13:49:09,736 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:49:09,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-07-23 13:49:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-07-23 13:49:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-07-23 13:49:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 407 transitions. [2018-07-23 13:49:09,741 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 407 transitions. Word has length 404 [2018-07-23 13:49:09,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:09,741 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 407 transitions. [2018-07-23 13:49:09,742 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:49:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 407 transitions. [2018-07-23 13:49:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2018-07-23 13:49:09,743 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:09,744 INFO L357 BasicCegarLoop]: trace histogram [202, 201, 1, 1, 1] [2018-07-23 13:49:09,744 INFO L414 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:09,744 INFO L82 PathProgramCache]: Analyzing trace with hash -524143407, now seen corresponding path program 201 times [2018-07-23 13:49:09,744 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:12,280 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 13:49:12,281 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:12,281 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [203] total 203 [2018-07-23 13:49:12,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:12,282 INFO L185 omatonBuilderFactory]: Interpolants [187946#true, 187947#false, 187950#(<= ULTIMATE.start_main_~k~5 2), 187951#(<= ULTIMATE.start_main_~k~5 3), 187948#(<= ULTIMATE.start_main_~k~5 0), 187949#(<= ULTIMATE.start_main_~k~5 1), 187954#(<= ULTIMATE.start_main_~k~5 6), 187955#(<= ULTIMATE.start_main_~k~5 7), 187952#(<= ULTIMATE.start_main_~k~5 4), 187953#(<= ULTIMATE.start_main_~k~5 5), 187958#(<= ULTIMATE.start_main_~k~5 10), 187959#(<= ULTIMATE.start_main_~k~5 11), 187956#(<= ULTIMATE.start_main_~k~5 8), 187957#(<= ULTIMATE.start_main_~k~5 9), 187962#(<= ULTIMATE.start_main_~k~5 14), 187963#(<= ULTIMATE.start_main_~k~5 15), 187960#(<= ULTIMATE.start_main_~k~5 12), 187961#(<= ULTIMATE.start_main_~k~5 13), 187966#(<= ULTIMATE.start_main_~k~5 18), 187967#(<= ULTIMATE.start_main_~k~5 19), 187964#(<= ULTIMATE.start_main_~k~5 16), 187965#(<= ULTIMATE.start_main_~k~5 17), 187970#(<= ULTIMATE.start_main_~k~5 22), 187971#(<= ULTIMATE.start_main_~k~5 23), 187968#(<= ULTIMATE.start_main_~k~5 20), 187969#(<= ULTIMATE.start_main_~k~5 21), 187974#(<= ULTIMATE.start_main_~k~5 26), 187975#(<= ULTIMATE.start_main_~k~5 27), 187972#(<= ULTIMATE.start_main_~k~5 24), 187973#(<= ULTIMATE.start_main_~k~5 25), 187978#(<= ULTIMATE.start_main_~k~5 30), 187979#(<= ULTIMATE.start_main_~k~5 31), 187976#(<= ULTIMATE.start_main_~k~5 28), 187977#(<= ULTIMATE.start_main_~k~5 29), 187982#(<= ULTIMATE.start_main_~k~5 34), 187983#(<= ULTIMATE.start_main_~k~5 35), 187980#(<= ULTIMATE.start_main_~k~5 32), 187981#(<= ULTIMATE.start_main_~k~5 33), 187986#(<= ULTIMATE.start_main_~k~5 38), 187987#(<= ULTIMATE.start_main_~k~5 39), 187984#(<= ULTIMATE.start_main_~k~5 36), 187985#(<= ULTIMATE.start_main_~k~5 37), 187990#(<= ULTIMATE.start_main_~k~5 42), 187991#(<= ULTIMATE.start_main_~k~5 43), 187988#(<= ULTIMATE.start_main_~k~5 40), 187989#(<= ULTIMATE.start_main_~k~5 41), 187994#(<= ULTIMATE.start_main_~k~5 46), 187995#(<= ULTIMATE.start_main_~k~5 47), 187992#(<= ULTIMATE.start_main_~k~5 44), 187993#(<= ULTIMATE.start_main_~k~5 45), 187998#(<= ULTIMATE.start_main_~k~5 50), 187999#(<= ULTIMATE.start_main_~k~5 51), 187996#(<= ULTIMATE.start_main_~k~5 48), 187997#(<= ULTIMATE.start_main_~k~5 49), 188002#(<= ULTIMATE.start_main_~k~5 54), 188003#(<= ULTIMATE.start_main_~k~5 55), 188000#(<= ULTIMATE.start_main_~k~5 52), 188001#(<= ULTIMATE.start_main_~k~5 53), 188006#(<= ULTIMATE.start_main_~k~5 58), 188007#(<= ULTIMATE.start_main_~k~5 59), 188004#(<= ULTIMATE.start_main_~k~5 56), 188005#(<= ULTIMATE.start_main_~k~5 57), 188010#(<= ULTIMATE.start_main_~k~5 62), 188011#(<= ULTIMATE.start_main_~k~5 63), 188008#(<= ULTIMATE.start_main_~k~5 60), 188009#(<= ULTIMATE.start_main_~k~5 61), 188014#(<= ULTIMATE.start_main_~k~5 66), 188015#(<= ULTIMATE.start_main_~k~5 67), 188012#(<= ULTIMATE.start_main_~k~5 64), 188013#(<= ULTIMATE.start_main_~k~5 65), 188018#(<= ULTIMATE.start_main_~k~5 70), 188019#(<= ULTIMATE.start_main_~k~5 71), 188016#(<= ULTIMATE.start_main_~k~5 68), 188017#(<= ULTIMATE.start_main_~k~5 69), 188022#(<= ULTIMATE.start_main_~k~5 74), 188023#(<= ULTIMATE.start_main_~k~5 75), 188020#(<= ULTIMATE.start_main_~k~5 72), 188021#(<= ULTIMATE.start_main_~k~5 73), 188026#(<= ULTIMATE.start_main_~k~5 78), 188027#(<= ULTIMATE.start_main_~k~5 79), 188024#(<= ULTIMATE.start_main_~k~5 76), 188025#(<= ULTIMATE.start_main_~k~5 77), 188030#(<= ULTIMATE.start_main_~k~5 82), 188031#(<= ULTIMATE.start_main_~k~5 83), 188028#(<= ULTIMATE.start_main_~k~5 80), 188029#(<= ULTIMATE.start_main_~k~5 81), 188034#(<= ULTIMATE.start_main_~k~5 86), 188035#(<= ULTIMATE.start_main_~k~5 87), 188032#(<= ULTIMATE.start_main_~k~5 84), 188033#(<= ULTIMATE.start_main_~k~5 85), 188038#(<= ULTIMATE.start_main_~k~5 90), 188039#(<= ULTIMATE.start_main_~k~5 91), 188036#(<= ULTIMATE.start_main_~k~5 88), 188037#(<= ULTIMATE.start_main_~k~5 89), 188042#(<= ULTIMATE.start_main_~k~5 94), 188043#(<= ULTIMATE.start_main_~k~5 95), 188040#(<= ULTIMATE.start_main_~k~5 92), 188041#(<= ULTIMATE.start_main_~k~5 93), 188046#(<= ULTIMATE.start_main_~k~5 98), 188047#(<= ULTIMATE.start_main_~k~5 99), 188044#(<= ULTIMATE.start_main_~k~5 96), 188045#(<= ULTIMATE.start_main_~k~5 97), 188050#(<= ULTIMATE.start_main_~k~5 102), 188051#(<= ULTIMATE.start_main_~k~5 103), 188048#(<= ULTIMATE.start_main_~k~5 100), 188049#(<= ULTIMATE.start_main_~k~5 101), 188054#(<= ULTIMATE.start_main_~k~5 106), 188055#(<= ULTIMATE.start_main_~k~5 107), 188052#(<= ULTIMATE.start_main_~k~5 104), 188053#(<= ULTIMATE.start_main_~k~5 105), 188058#(<= ULTIMATE.start_main_~k~5 110), 188059#(<= ULTIMATE.start_main_~k~5 111), 188056#(<= ULTIMATE.start_main_~k~5 108), 188057#(<= ULTIMATE.start_main_~k~5 109), 188062#(<= ULTIMATE.start_main_~k~5 114), 188063#(<= ULTIMATE.start_main_~k~5 115), 188060#(<= ULTIMATE.start_main_~k~5 112), 188061#(<= ULTIMATE.start_main_~k~5 113), 188066#(<= ULTIMATE.start_main_~k~5 118), 188067#(<= ULTIMATE.start_main_~k~5 119), 188064#(<= ULTIMATE.start_main_~k~5 116), 188065#(<= ULTIMATE.start_main_~k~5 117), 188070#(<= ULTIMATE.start_main_~k~5 122), 188071#(<= ULTIMATE.start_main_~k~5 123), 188068#(<= ULTIMATE.start_main_~k~5 120), 188069#(<= ULTIMATE.start_main_~k~5 121), 188074#(<= ULTIMATE.start_main_~k~5 126), 188075#(<= ULTIMATE.start_main_~k~5 127), 188072#(<= ULTIMATE.start_main_~k~5 124), 188073#(<= ULTIMATE.start_main_~k~5 125), 188078#(<= ULTIMATE.start_main_~k~5 130), 188079#(<= ULTIMATE.start_main_~k~5 131), 188076#(<= ULTIMATE.start_main_~k~5 128), 188077#(<= ULTIMATE.start_main_~k~5 129), 188082#(<= ULTIMATE.start_main_~k~5 134), 188083#(<= ULTIMATE.start_main_~k~5 135), 188080#(<= ULTIMATE.start_main_~k~5 132), 188081#(<= ULTIMATE.start_main_~k~5 133), 188086#(<= ULTIMATE.start_main_~k~5 138), 188087#(<= ULTIMATE.start_main_~k~5 139), 188084#(<= ULTIMATE.start_main_~k~5 136), 188085#(<= ULTIMATE.start_main_~k~5 137), 188090#(<= ULTIMATE.start_main_~k~5 142), 188091#(<= ULTIMATE.start_main_~k~5 143), 188088#(<= ULTIMATE.start_main_~k~5 140), 188089#(<= ULTIMATE.start_main_~k~5 141), 188094#(<= ULTIMATE.start_main_~k~5 146), 188095#(<= ULTIMATE.start_main_~k~5 147), 188092#(<= ULTIMATE.start_main_~k~5 144), 188093#(<= ULTIMATE.start_main_~k~5 145), 188098#(<= ULTIMATE.start_main_~k~5 150), 188099#(<= ULTIMATE.start_main_~k~5 151), 188096#(<= ULTIMATE.start_main_~k~5 148), 188097#(<= ULTIMATE.start_main_~k~5 149), 188102#(<= ULTIMATE.start_main_~k~5 154), 188103#(<= ULTIMATE.start_main_~k~5 155), 188100#(<= ULTIMATE.start_main_~k~5 152), 188101#(<= ULTIMATE.start_main_~k~5 153), 188106#(<= ULTIMATE.start_main_~k~5 158), 188107#(<= ULTIMATE.start_main_~k~5 159), 188104#(<= ULTIMATE.start_main_~k~5 156), 188105#(<= ULTIMATE.start_main_~k~5 157), 188110#(<= ULTIMATE.start_main_~k~5 162), 188111#(<= ULTIMATE.start_main_~k~5 163), 188108#(<= ULTIMATE.start_main_~k~5 160), 188109#(<= ULTIMATE.start_main_~k~5 161), 188114#(<= ULTIMATE.start_main_~k~5 166), 188115#(<= ULTIMATE.start_main_~k~5 167), 188112#(<= ULTIMATE.start_main_~k~5 164), 188113#(<= ULTIMATE.start_main_~k~5 165), 188118#(<= ULTIMATE.start_main_~k~5 170), 188119#(<= ULTIMATE.start_main_~k~5 171), 188116#(<= ULTIMATE.start_main_~k~5 168), 188117#(<= ULTIMATE.start_main_~k~5 169), 188122#(<= ULTIMATE.start_main_~k~5 174), 188123#(<= ULTIMATE.start_main_~k~5 175), 188120#(<= ULTIMATE.start_main_~k~5 172), 188121#(<= ULTIMATE.start_main_~k~5 173), 188126#(<= ULTIMATE.start_main_~k~5 178), 188127#(<= ULTIMATE.start_main_~k~5 179), 188124#(<= ULTIMATE.start_main_~k~5 176), 188125#(<= ULTIMATE.start_main_~k~5 177), 188130#(<= ULTIMATE.start_main_~k~5 182), 188131#(<= ULTIMATE.start_main_~k~5 183), 188128#(<= ULTIMATE.start_main_~k~5 180), 188129#(<= ULTIMATE.start_main_~k~5 181), 188134#(<= ULTIMATE.start_main_~k~5 186), 188135#(<= ULTIMATE.start_main_~k~5 187), 188132#(<= ULTIMATE.start_main_~k~5 184), 188133#(<= ULTIMATE.start_main_~k~5 185), 188138#(<= ULTIMATE.start_main_~k~5 190), 188139#(<= ULTIMATE.start_main_~k~5 191), 188136#(<= ULTIMATE.start_main_~k~5 188), 188137#(<= ULTIMATE.start_main_~k~5 189), 188142#(<= ULTIMATE.start_main_~k~5 194), 188143#(<= ULTIMATE.start_main_~k~5 195), 188140#(<= ULTIMATE.start_main_~k~5 192), 188141#(<= ULTIMATE.start_main_~k~5 193), 188146#(<= ULTIMATE.start_main_~k~5 198), 188147#(<= ULTIMATE.start_main_~k~5 199), 188144#(<= ULTIMATE.start_main_~k~5 196), 188145#(<= ULTIMATE.start_main_~k~5 197), 188148#(<= ULTIMATE.start_main_~k~5 200), 188149#(<= ULTIMATE.start_main_~k~5 201)] [2018-07-23 13:49:12,284 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 13:49:12,284 INFO L450 AbstractCegarLoop]: Interpolant automaton has 204 states [2018-07-23 13:49:12,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2018-07-23 13:49:12,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:49:12,292 INFO L87 Difference]: Start difference. First operand 407 states and 407 transitions. Second operand 204 states. [2018-07-23 13:49:14,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:14,811 INFO L93 Difference]: Finished difference Result 411 states and 411 transitions. [2018-07-23 13:49:14,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2018-07-23 13:49:14,811 INFO L78 Accepts]: Start accepts. Automaton has 204 states. Word has length 406 [2018-07-23 13:49:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:14,812 INFO L225 Difference]: With dead ends: 411 [2018-07-23 13:49:14,812 INFO L226 Difference]: Without dead ends: 409 [2018-07-23 13:49:14,816 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20706, Invalid=20706, Unknown=0, NotChecked=0, Total=41412 [2018-07-23 13:49:14,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-07-23 13:49:14,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2018-07-23 13:49:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-07-23 13:49:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 409 transitions. [2018-07-23 13:49:14,820 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 409 transitions. Word has length 406 [2018-07-23 13:49:14,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:14,821 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 409 transitions. [2018-07-23 13:49:14,821 INFO L472 AbstractCegarLoop]: Interpolant automaton has 204 states. [2018-07-23 13:49:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 409 transitions. [2018-07-23 13:49:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-07-23 13:49:14,822 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:14,822 INFO L357 BasicCegarLoop]: trace histogram [203, 202, 1, 1, 1] [2018-07-23 13:49:14,822 INFO L414 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:14,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1190588405, now seen corresponding path program 202 times [2018-07-23 13:49:14,823 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:17,389 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 13:49:17,390 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:17,390 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [204] total 204 [2018-07-23 13:49:17,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:17,391 INFO L185 omatonBuilderFactory]: Interpolants [189954#(<= ULTIMATE.start_main_~k~5 162), 189955#(<= ULTIMATE.start_main_~k~5 163), 189952#(<= ULTIMATE.start_main_~k~5 160), 189953#(<= ULTIMATE.start_main_~k~5 161), 189958#(<= ULTIMATE.start_main_~k~5 166), 189959#(<= ULTIMATE.start_main_~k~5 167), 189956#(<= ULTIMATE.start_main_~k~5 164), 189957#(<= ULTIMATE.start_main_~k~5 165), 189962#(<= ULTIMATE.start_main_~k~5 170), 189963#(<= ULTIMATE.start_main_~k~5 171), 189960#(<= ULTIMATE.start_main_~k~5 168), 189961#(<= ULTIMATE.start_main_~k~5 169), 189966#(<= ULTIMATE.start_main_~k~5 174), 189967#(<= ULTIMATE.start_main_~k~5 175), 189964#(<= ULTIMATE.start_main_~k~5 172), 189965#(<= ULTIMATE.start_main_~k~5 173), 189970#(<= ULTIMATE.start_main_~k~5 178), 189971#(<= ULTIMATE.start_main_~k~5 179), 189968#(<= ULTIMATE.start_main_~k~5 176), 189969#(<= ULTIMATE.start_main_~k~5 177), 189974#(<= ULTIMATE.start_main_~k~5 182), 189975#(<= ULTIMATE.start_main_~k~5 183), 189972#(<= ULTIMATE.start_main_~k~5 180), 189973#(<= ULTIMATE.start_main_~k~5 181), 189978#(<= ULTIMATE.start_main_~k~5 186), 189979#(<= ULTIMATE.start_main_~k~5 187), 189976#(<= ULTIMATE.start_main_~k~5 184), 189977#(<= ULTIMATE.start_main_~k~5 185), 189982#(<= ULTIMATE.start_main_~k~5 190), 189983#(<= ULTIMATE.start_main_~k~5 191), 189980#(<= ULTIMATE.start_main_~k~5 188), 189981#(<= ULTIMATE.start_main_~k~5 189), 189986#(<= ULTIMATE.start_main_~k~5 194), 189987#(<= ULTIMATE.start_main_~k~5 195), 189984#(<= ULTIMATE.start_main_~k~5 192), 189985#(<= ULTIMATE.start_main_~k~5 193), 189990#(<= ULTIMATE.start_main_~k~5 198), 189991#(<= ULTIMATE.start_main_~k~5 199), 189988#(<= ULTIMATE.start_main_~k~5 196), 189989#(<= ULTIMATE.start_main_~k~5 197), 189994#(<= ULTIMATE.start_main_~k~5 202), 189992#(<= ULTIMATE.start_main_~k~5 200), 189993#(<= ULTIMATE.start_main_~k~5 201), 189790#true, 189791#false, 189794#(<= ULTIMATE.start_main_~k~5 2), 189795#(<= ULTIMATE.start_main_~k~5 3), 189792#(<= ULTIMATE.start_main_~k~5 0), 189793#(<= ULTIMATE.start_main_~k~5 1), 189798#(<= ULTIMATE.start_main_~k~5 6), 189799#(<= ULTIMATE.start_main_~k~5 7), 189796#(<= ULTIMATE.start_main_~k~5 4), 189797#(<= ULTIMATE.start_main_~k~5 5), 189802#(<= ULTIMATE.start_main_~k~5 10), 189803#(<= ULTIMATE.start_main_~k~5 11), 189800#(<= ULTIMATE.start_main_~k~5 8), 189801#(<= ULTIMATE.start_main_~k~5 9), 189806#(<= ULTIMATE.start_main_~k~5 14), 189807#(<= ULTIMATE.start_main_~k~5 15), 189804#(<= ULTIMATE.start_main_~k~5 12), 189805#(<= ULTIMATE.start_main_~k~5 13), 189810#(<= ULTIMATE.start_main_~k~5 18), 189811#(<= ULTIMATE.start_main_~k~5 19), 189808#(<= ULTIMATE.start_main_~k~5 16), 189809#(<= ULTIMATE.start_main_~k~5 17), 189814#(<= ULTIMATE.start_main_~k~5 22), 189815#(<= ULTIMATE.start_main_~k~5 23), 189812#(<= ULTIMATE.start_main_~k~5 20), 189813#(<= ULTIMATE.start_main_~k~5 21), 189818#(<= ULTIMATE.start_main_~k~5 26), 189819#(<= ULTIMATE.start_main_~k~5 27), 189816#(<= ULTIMATE.start_main_~k~5 24), 189817#(<= ULTIMATE.start_main_~k~5 25), 189822#(<= ULTIMATE.start_main_~k~5 30), 189823#(<= ULTIMATE.start_main_~k~5 31), 189820#(<= ULTIMATE.start_main_~k~5 28), 189821#(<= ULTIMATE.start_main_~k~5 29), 189826#(<= ULTIMATE.start_main_~k~5 34), 189827#(<= ULTIMATE.start_main_~k~5 35), 189824#(<= ULTIMATE.start_main_~k~5 32), 189825#(<= ULTIMATE.start_main_~k~5 33), 189830#(<= ULTIMATE.start_main_~k~5 38), 189831#(<= ULTIMATE.start_main_~k~5 39), 189828#(<= ULTIMATE.start_main_~k~5 36), 189829#(<= ULTIMATE.start_main_~k~5 37), 189834#(<= ULTIMATE.start_main_~k~5 42), 189835#(<= ULTIMATE.start_main_~k~5 43), 189832#(<= ULTIMATE.start_main_~k~5 40), 189833#(<= ULTIMATE.start_main_~k~5 41), 189838#(<= ULTIMATE.start_main_~k~5 46), 189839#(<= ULTIMATE.start_main_~k~5 47), 189836#(<= ULTIMATE.start_main_~k~5 44), 189837#(<= ULTIMATE.start_main_~k~5 45), 189842#(<= ULTIMATE.start_main_~k~5 50), 189843#(<= ULTIMATE.start_main_~k~5 51), 189840#(<= ULTIMATE.start_main_~k~5 48), 189841#(<= ULTIMATE.start_main_~k~5 49), 189846#(<= ULTIMATE.start_main_~k~5 54), 189847#(<= ULTIMATE.start_main_~k~5 55), 189844#(<= ULTIMATE.start_main_~k~5 52), 189845#(<= ULTIMATE.start_main_~k~5 53), 189850#(<= ULTIMATE.start_main_~k~5 58), 189851#(<= ULTIMATE.start_main_~k~5 59), 189848#(<= ULTIMATE.start_main_~k~5 56), 189849#(<= ULTIMATE.start_main_~k~5 57), 189854#(<= ULTIMATE.start_main_~k~5 62), 189855#(<= ULTIMATE.start_main_~k~5 63), 189852#(<= ULTIMATE.start_main_~k~5 60), 189853#(<= ULTIMATE.start_main_~k~5 61), 189858#(<= ULTIMATE.start_main_~k~5 66), 189859#(<= ULTIMATE.start_main_~k~5 67), 189856#(<= ULTIMATE.start_main_~k~5 64), 189857#(<= ULTIMATE.start_main_~k~5 65), 189862#(<= ULTIMATE.start_main_~k~5 70), 189863#(<= ULTIMATE.start_main_~k~5 71), 189860#(<= ULTIMATE.start_main_~k~5 68), 189861#(<= ULTIMATE.start_main_~k~5 69), 189866#(<= ULTIMATE.start_main_~k~5 74), 189867#(<= ULTIMATE.start_main_~k~5 75), 189864#(<= ULTIMATE.start_main_~k~5 72), 189865#(<= ULTIMATE.start_main_~k~5 73), 189870#(<= ULTIMATE.start_main_~k~5 78), 189871#(<= ULTIMATE.start_main_~k~5 79), 189868#(<= ULTIMATE.start_main_~k~5 76), 189869#(<= ULTIMATE.start_main_~k~5 77), 189874#(<= ULTIMATE.start_main_~k~5 82), 189875#(<= ULTIMATE.start_main_~k~5 83), 189872#(<= ULTIMATE.start_main_~k~5 80), 189873#(<= ULTIMATE.start_main_~k~5 81), 189878#(<= ULTIMATE.start_main_~k~5 86), 189879#(<= ULTIMATE.start_main_~k~5 87), 189876#(<= ULTIMATE.start_main_~k~5 84), 189877#(<= ULTIMATE.start_main_~k~5 85), 189882#(<= ULTIMATE.start_main_~k~5 90), 189883#(<= ULTIMATE.start_main_~k~5 91), 189880#(<= ULTIMATE.start_main_~k~5 88), 189881#(<= ULTIMATE.start_main_~k~5 89), 189886#(<= ULTIMATE.start_main_~k~5 94), 189887#(<= ULTIMATE.start_main_~k~5 95), 189884#(<= ULTIMATE.start_main_~k~5 92), 189885#(<= ULTIMATE.start_main_~k~5 93), 189890#(<= ULTIMATE.start_main_~k~5 98), 189891#(<= ULTIMATE.start_main_~k~5 99), 189888#(<= ULTIMATE.start_main_~k~5 96), 189889#(<= ULTIMATE.start_main_~k~5 97), 189894#(<= ULTIMATE.start_main_~k~5 102), 189895#(<= ULTIMATE.start_main_~k~5 103), 189892#(<= ULTIMATE.start_main_~k~5 100), 189893#(<= ULTIMATE.start_main_~k~5 101), 189898#(<= ULTIMATE.start_main_~k~5 106), 189899#(<= ULTIMATE.start_main_~k~5 107), 189896#(<= ULTIMATE.start_main_~k~5 104), 189897#(<= ULTIMATE.start_main_~k~5 105), 189902#(<= ULTIMATE.start_main_~k~5 110), 189903#(<= ULTIMATE.start_main_~k~5 111), 189900#(<= ULTIMATE.start_main_~k~5 108), 189901#(<= ULTIMATE.start_main_~k~5 109), 189906#(<= ULTIMATE.start_main_~k~5 114), 189907#(<= ULTIMATE.start_main_~k~5 115), 189904#(<= ULTIMATE.start_main_~k~5 112), 189905#(<= ULTIMATE.start_main_~k~5 113), 189910#(<= ULTIMATE.start_main_~k~5 118), 189911#(<= ULTIMATE.start_main_~k~5 119), 189908#(<= ULTIMATE.start_main_~k~5 116), 189909#(<= ULTIMATE.start_main_~k~5 117), 189914#(<= ULTIMATE.start_main_~k~5 122), 189915#(<= ULTIMATE.start_main_~k~5 123), 189912#(<= ULTIMATE.start_main_~k~5 120), 189913#(<= ULTIMATE.start_main_~k~5 121), 189918#(<= ULTIMATE.start_main_~k~5 126), 189919#(<= ULTIMATE.start_main_~k~5 127), 189916#(<= ULTIMATE.start_main_~k~5 124), 189917#(<= ULTIMATE.start_main_~k~5 125), 189922#(<= ULTIMATE.start_main_~k~5 130), 189923#(<= ULTIMATE.start_main_~k~5 131), 189920#(<= ULTIMATE.start_main_~k~5 128), 189921#(<= ULTIMATE.start_main_~k~5 129), 189926#(<= ULTIMATE.start_main_~k~5 134), 189927#(<= ULTIMATE.start_main_~k~5 135), 189924#(<= ULTIMATE.start_main_~k~5 132), 189925#(<= ULTIMATE.start_main_~k~5 133), 189930#(<= ULTIMATE.start_main_~k~5 138), 189931#(<= ULTIMATE.start_main_~k~5 139), 189928#(<= ULTIMATE.start_main_~k~5 136), 189929#(<= ULTIMATE.start_main_~k~5 137), 189934#(<= ULTIMATE.start_main_~k~5 142), 189935#(<= ULTIMATE.start_main_~k~5 143), 189932#(<= ULTIMATE.start_main_~k~5 140), 189933#(<= ULTIMATE.start_main_~k~5 141), 189938#(<= ULTIMATE.start_main_~k~5 146), 189939#(<= ULTIMATE.start_main_~k~5 147), 189936#(<= ULTIMATE.start_main_~k~5 144), 189937#(<= ULTIMATE.start_main_~k~5 145), 189942#(<= ULTIMATE.start_main_~k~5 150), 189943#(<= ULTIMATE.start_main_~k~5 151), 189940#(<= ULTIMATE.start_main_~k~5 148), 189941#(<= ULTIMATE.start_main_~k~5 149), 189946#(<= ULTIMATE.start_main_~k~5 154), 189947#(<= ULTIMATE.start_main_~k~5 155), 189944#(<= ULTIMATE.start_main_~k~5 152), 189945#(<= ULTIMATE.start_main_~k~5 153), 189950#(<= ULTIMATE.start_main_~k~5 158), 189951#(<= ULTIMATE.start_main_~k~5 159), 189948#(<= ULTIMATE.start_main_~k~5 156), 189949#(<= ULTIMATE.start_main_~k~5 157)] [2018-07-23 13:49:17,393 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 13:49:17,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 205 states [2018-07-23 13:49:17,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2018-07-23 13:49:17,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:49:17,396 INFO L87 Difference]: Start difference. First operand 409 states and 409 transitions. Second operand 205 states. [2018-07-23 13:49:18,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:18,602 INFO L93 Difference]: Finished difference Result 413 states and 413 transitions. [2018-07-23 13:49:18,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2018-07-23 13:49:18,602 INFO L78 Accepts]: Start accepts. Automaton has 205 states. Word has length 408 [2018-07-23 13:49:18,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:18,603 INFO L225 Difference]: With dead ends: 413 [2018-07-23 13:49:18,603 INFO L226 Difference]: Without dead ends: 411 [2018-07-23 13:49:18,605 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=20910, Invalid=20910, Unknown=0, NotChecked=0, Total=41820 [2018-07-23 13:49:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-07-23 13:49:18,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2018-07-23 13:49:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-07-23 13:49:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 411 transitions. [2018-07-23 13:49:18,609 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 411 transitions. Word has length 408 [2018-07-23 13:49:18,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:18,610 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 411 transitions. [2018-07-23 13:49:18,610 INFO L472 AbstractCegarLoop]: Interpolant automaton has 205 states. [2018-07-23 13:49:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 411 transitions. [2018-07-23 13:49:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-07-23 13:49:18,611 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:18,611 INFO L357 BasicCegarLoop]: trace histogram [204, 203, 1, 1, 1] [2018-07-23 13:49:18,611 INFO L414 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:18,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1694104379, now seen corresponding path program 203 times [2018-07-23 13:49:18,612 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-07-23 13:49:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:19,829 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:262) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:204) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:210) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:425) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-23 13:49:19,833 INFO L168 Benchmark]: Toolchain (without parser) took 251578.05 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -247.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:49:19,836 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:49:19,836 INFO L168 Benchmark]: Boogie Preprocessor took 49.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:49:19,836 INFO L168 Benchmark]: RCFGBuilder took 258.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:49:19,837 INFO L168 Benchmark]: TraceAbstraction took 251266.54 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -257.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 13:49:19,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 258.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251266.54 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -257.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_nondet.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-49-19-849.csv Completed graceful shutdown